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- Pretty-indenting code 

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@674 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-06-29 08:44:30 +00:00
parent 7aecc910ba
commit 6b27a8461b
94 changed files with 3073 additions and 3066 deletions
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11
config/indenter Executable file
View File

@ -0,0 +1,11 @@
#!/bin/sh
#find . -name "*.cc" -or -name "*.hh" -or -name "*.tcc" | \
# xargs indent -v -sc -psl -bls -bad -bap -bbb -nsob \
# -bli0 -cli0 -cbi0 -npcs -cs -nsaf -nsai -nsaw \
# -nprs -i2 -lp -ppi2 -l80 -nbbo -hnl -ss -di8 -nbc
find . -name "*.cc" -or -name "*.hh" -or -name "*.tcc" | \
xargs astyle --style=ansi -s2 -b -N -L -p -O -V \
--mode=c

23
plugins/pyloader/src/hook.cc
View File

@ -21,7 +21,7 @@
// The idea of this file is to provide a static function to execute
// when the plugin (this library) is loaded. Thus the name "hook".
// For the moment, instead of a function hook to be called by the
// For the moment, instead of a function hook to be called by the
// libbackend.so module, we have a static PythonPolicyManager object.
// This is a risk.
#warning FIXME : this code is quite a bad idea. Replace me with \
@ -33,24 +33,25 @@
#include "config.h"
#ifdef __cplusplus
extern "C" {
extern "C"
{
#endif
#define SG_CONSTRUCTOR __attribute__ ((constructor))
#define SG_DESTRUCTOR __attribute__ ((destructor))
#define _libpyloader_LTX__global_pm (_global_pm);
PolicyManager* _global_pm = NULL;
PolicyManager* _global_pm = NULL;
void SG_DLLEXPORT SG_CONSTRUCTOR hook_ctor(void)
{
_global_pm = PythonPolicyManager::get_instance();
}
void SG_DLLEXPORT SG_CONSTRUCTOR hook_ctor(void)
{
_global_pm = PythonPolicyManager::get_instance();
}
void SG_DLLEXPORT SG_DESTRUCTOR hook_dtor(void)
{
delete _global_pm;
}
void SG_DLLEXPORT SG_DESTRUCTOR hook_dtor(void)
{
delete _global_pm;
}
#ifdef __cplusplus
}

96
plugins/pyloader/src/python_policy.cc
View File

@ -31,19 +31,19 @@ using namespace std;
// *strong* exception checking / handling!
PythonPolicy::PythonPolicy(const char* name)
: _upolicy_dict(NULL), _adapter(NULL), _name(name)
: _upolicy_dict(NULL), _adapter(NULL), _name(name)
{
PyObject* pLoadmeStr = PyString_FromString(name);
PyObject* pUserPolicyModule = PyImport_Import(pLoadmeStr);
Py_DECREF(pLoadmeStr);
if( !pUserPolicyModule )
if( !pUserPolicyModule )
{
PyErr_Print(); // Error in import
// FIXME : don't exit abruptly, but fall back gracefully
exit(-1);
}
// Dictionary with defined ``symbols'' for .pyc file
_upolicy_dict = PyModule_GetDict(pUserPolicyModule);
assert(_upolicy_dict);
@ -55,11 +55,11 @@ PythonPolicy::PythonPolicy(const char* name)
assert(pScriptAdapterModule);
PyObject* pAdapterDict = PyModule_GetDict(pScriptAdapterModule);
assert(pAdapterDict);
// Now takes the user-defined policy class from pUserPolicyDict
PyObject* pPolicyClass = PyDict_GetItemString(_upolicy_dict, name);
assert(pPolicyClass); // FIXME needs stricter checking and exception throwing
// Creates a new object of type ScriptAdapter :
// takes init function from ScriptAdapter class
PyObject* pAdapterClass = PyDict_GetItemString(pAdapterDict, "ScriptAdapter");
@ -80,10 +80,10 @@ PythonPolicy::~PythonPolicy()
{
if(_adapter) Py_DECREF(_adapter);
// We keep this alive until dtor time, because
// the user may have defined some static global-space
// variables and they make use of them.
if(_upolicy_dict) Py_DECREF(_upolicy_dict);
// We keep this alive until dtor time, because
// the user may have defined some static global-space
// variables and they make use of them.
if(_upolicy_dict) Py_DECREF(_upolicy_dict);
}
@ -102,19 +102,19 @@ PythonPolicy::sort_queue() const throw(UserInterruptException)
{
PyObject* pMethodName = PyString_FromString("async_sort_queue");
PyObject* retval = PyObject_CallMethodObjArgs(_adapter, pMethodName, NULL, NULL);
// Do minimal debugging
if(!retval) PyErr_Print();
else Py_DECREF(retval);
Py_DECREF(pMethodName);
wait_unlock();
}
Glib::ustring
PythonPolicy::get_description() const
PythonPolicy::get_description() const
{
return _name;
}
@ -127,13 +127,13 @@ PythonPolicy::get_name() const
}
bool
PythonPolicy::is_pre_emptive() const throw(UserInterruptException)
PythonPolicy::is_pre_emptive() const throw(UserInterruptException)
{
PyObject* retval = PyObject_CallMethod(_adapter, "async_is_preemptive", NULL);
Py_DECREF(retval);
wait_unlock();
// Parse return value stored in global Python object
retval = PyObject_CallMethod(_adapter, "get_return_value", NULL);
assert(retval);
@ -144,13 +144,13 @@ PythonPolicy::is_pre_emptive() const throw(UserInterruptException)
int
PythonPolicy::get_time_slice() const throw(UserInterruptException)
PythonPolicy::get_time_slice() const throw(UserInterruptException)
{
PyObject* retval = PyObject_CallMethod(_adapter, "async_get_time_slice", NULL);
Py_DECREF(retval);
wait_unlock();
// Parse return value stored in global Python object
retval = PyObject_CallMethod(_adapter, "get_return_value", NULL);
assert(retval);
@ -161,13 +161,13 @@ PythonPolicy::get_time_slice() const throw(UserInterruptException)
}
policy_sorts_type
PythonPolicy::wants() const throw(UserInterruptException)
PythonPolicy::wants() const throw(UserInterruptException)
{
PyObject* retval = PyObject_CallMethod(_adapter, "async_wants", NULL);
Py_DECREF(retval);
wait_unlock();
// Parse return value stored in global Python object
retval = PyObject_CallMethod(_adapter, "get_return_value", NULL);
assert(retval);
@ -181,39 +181,39 @@ PythonPolicy::wants() const throw(UserInterruptException)
else
return policy_sorts_processes;
}
void
PythonPolicy::wait_unlock() const throw(UserInterruptException)
{
PyThreadState* _save;
int i = 0; // We give the sort_queue() three seconds max time, then...
// we shot it stone dead! Bang.
// we shot it stone dead! Bang.
bool still_locked;
do
do
{
Py_UNBLOCK_THREADS;
usleep(WAIT_FOR); // hack'a'ton! magggggiccc nummmbeeerrrrrs!!
Py_BLOCK_THREADS;
PyObject* retval = PyObject_CallMethod(_adapter, "mutex_test_lock", NULL);
assert(retval);
still_locked = PyObject_IsTrue(retval);
Py_DECREF(retval);
if(i++ > 12) /* waits for WAIT_FOR * 12 microseconds == 3 secs */
{
PyThreadState_Clear(_save);
// As the API documentation says, the caller of PyEval_RestoreThread
// should NOT possess the interpreter lock
Py_UNBLOCK_THREADS;
usleep(WAIT_FOR); // hack'a'ton! magggggiccc nummmbeeerrrrrs!!
Py_BLOCK_THREADS;
PyObject* retval = PyObject_CallMethod(_adapter, "mutex_test_lock", NULL);
assert(retval);
still_locked = PyObject_IsTrue(retval);
Py_DECREF(retval);
PyEval_RestoreThread(_save);
if(i++ > 12) /* waits for WAIT_FOR * 12 microseconds == 3 secs */
{
PyThreadState_Clear(_save);
// As the API documentation says, the caller of PyEval_RestoreThread
// should NOT possess the interpreter lock
Py_UNBLOCK_THREADS;
PyEval_RestoreThread(_save);
throw UserInterruptException("User-defined policy is "
"taking too long to terminate.");
}
}
throw UserInterruptException("User-defined policy is "
"taking too long to terminate.");
}
}
while(still_locked);
// What we should really do here:
@ -226,9 +226,9 @@ PythonPolicy::wait_unlock() const throw(UserInterruptException)
...if he has, break
...else:
if the global lock is set:
stay in this loop
else:
all's went okay, can exit loop
stay in this loop
else:
all's went okay, can exit loop
} */
}

38
plugins/pyloader/src/python_policy.hh
View File

@ -37,46 +37,46 @@ namespace sgpem
class PythonPolicyManager;
class UserInterruptException;
/** \brief A specialization of abstract class Policy
/** \brief A specialization of abstract class Policy
This class represents a policy written in Python. Its methods interact with Python interpreter.
See the documentation of class Policy for more detailed informations.
*/
This class represents a policy written in Python. Its methods interact with Python interpreter.
See the documentation of class Policy for more detailed informations.
*/
class SG_DLLEXPORT PythonPolicy : public Policy
{
public:
PythonPolicy(const char* name);
virtual ~PythonPolicy();
/**
Calls the method \c async_configure
*/
void configure() throw(UserInterruptException);
/**
Calls the method \c async_configure
*/
void configure() throw(UserInterruptException);
/**
Calls the method \c async_sort_queue
Calls the method \c async_sort_queue
*/
void sort_queue() const throw(UserInterruptException);
void sort_queue() const throw(UserInterruptException);
/**
\returns A textual description of this policy.
\returns A textual description of this policy.
*/
Glib::ustring get_description() const;
Glib::ustring get_description() const;
Glib::ustring get_name() const;
Glib::ustring get_name() const;
/**
\returns \c TRUE if the policy is preemptive.
\returns \c FALSE if the policy is not preemptive.
\returns \c TRUE if the policy is preemptive.
\returns \c FALSE if the policy is not preemptive.
*/
bool is_pre_emptive() const throw(UserInterruptException);
bool is_pre_emptive() const throw(UserInterruptException);
/**
\returns The integer value of its time-slice.
\returns The integer value of its time-slice.
*/
int get_time_slice() const throw(UserInterruptException);
int get_time_slice() const throw(UserInterruptException);
policy_sorts_type wants() const throw(UserInterruptException);
policy_sorts_type wants() const throw(UserInterruptException);
void activate()
{

74
plugins/pyloader/src/python_policy_manager.cc
View File

@ -45,15 +45,15 @@ using std::endl;
struct pol_dirs_concat : public std::unary_function<void, const Glib::ustring&>
{
public:
pol_dirs_concat(Glib::ustring& cat) : _cat(cat) {}
void operator()(const Glib::ustring& add)
{
// Please note that this string will end finishing with
// and additional ","!
_cat += "'" + add + "', ";
}
pol_dirs_concat(Glib::ustring& cat) : _cat(cat) {}
void operator()(const Glib::ustring& add)
{
// Please note that this string will end finishing with
// and additional ","!
_cat += "'" + add + "', ";
}
private:
Glib::ustring& _cat;
Glib::ustring& _cat;
};
@ -63,7 +63,7 @@ PythonPolicyManager* PythonPolicyManager::_instance = NULL;
PythonPolicyManager::PythonPolicyManager()
: _initialized(false)
: _initialized(false)
{
PyEval_InitThreads();
}
@ -94,31 +94,31 @@ PythonPolicyManager::get_instance()
void
PythonPolicyManager::init()
{
if(_initialized)
// No-op
return;
if(_initialized)
// No-op
return;
Py_Initialize();
_initialized = true;
// The following lines are ugly, but necessary if we use
// The following lines are ugly, but necessary if we use
// non-standard installation directories. Theoretically,
// it should be up to the user to set correct
// environment variables.
// it should be up to the user to set correct
// environment variables.
// FIXME: find better way to achieve this.
GlobalPreferences& prefs = GlobalPreferences::get_instance();
Glib::ustring importdirs = "import sys\n"
"sys.path[:0] = [ ";
Glib::ustring importdirs = "import sys\n"
"sys.path[:0] = [ ";
for_each(prefs.policies_dir_begin(),
prefs.policies_dir_end(),
pol_dirs_concat(importdirs));
prefs.policies_dir_end(),
pol_dirs_concat(importdirs));
importdirs += " '" SHAREDIR "' ]\n";
PyRun_SimpleString(importdirs.c_str());
// Okay, here we go.
// Black magic at work.
// Black magic at work.
collect_policies();
}
@ -141,30 +141,30 @@ PythonPolicyManager::collect_policies()
Glib::Dir dir(dir_it->c_str());
cout << "Opening directory " << *dir_it << "..." << endl;
for(Glib::DirIterator file_it = dir.begin(); file_it != dir.end(); ++file_it)
{
cout << "\tChecking if " << *file_it << " is a Python script... " << endl;
Glib::PatternSpec dot_py("*.py");
if(dot_py.match(*file_it))
{
cout << "\t\tIt is.\n";
//strip extension
std::string policy_name = (*file_it).substr(0, (*file_it).size() - 3);
PythonPolicy *pypolicy = new PythonPolicy(policy_name.c_str());
_policies.push_back(pypolicy);
//strip extension
std::string policy_name = (*file_it).substr(0, (*file_it).size() - 3);
//FIXME remove me when get_policy is dropped
if(policy_name == "fcfs")
{
_python_policy = pypolicy;
PoliciesGatekeeper::get_instance().activate_policy(&History::get_instance(), pypolicy);
}
PythonPolicy *pypolicy = new PythonPolicy(policy_name.c_str());
_policies.push_back(pypolicy);
//FIXME remove me when get_policy is dropped
if(policy_name == "fcfs")
{
_python_policy = pypolicy;
PoliciesGatekeeper::get_instance().activate_policy(&History::get_instance(), pypolicy);
}
}
}
}

20
plugins/pyloader/src/python_policy_manager.hh
View File

@ -61,22 +61,22 @@ namespace sgpem
std::vector<Policy*> get_avail_policies();
/** \brief Returns the singleton instance of
* PythonPolicyManager.
*
* Please note that the first time you'll request
* it, it will be still uninitialized.
* @see init()
*/
static PythonPolicyManager* const get_instance();
/** \brief Returns the singleton instance of
* PythonPolicyManager.
*
* Please note that the first time you'll request
* it, it will be still uninitialized.
* @see init()
*/
static PythonPolicyManager* const get_instance();
protected:
/** The selected and active PyhonPolicy object. */
PythonPolicyManager();
~PythonPolicyManager();
void collect_policies();
PythonPolicy* _python_policy;
private:

135
plugins/pyloader/src/testsuite/test-python_loader.cc
View File

@ -39,88 +39,93 @@
// FIXME: Eeeeh? Why does this work without explicit namespace resolving?
// Is there some using declaration in included HEADERS?? Aaaaagh!
class TestPythonPolicyManager : public PythonPolicyManager {
class TestPythonPolicyManager : public PythonPolicyManager
{
public:
void test_init(const char* policy_name) {
void test_init(const char* policy_name)
{
init();
_python_policy = new PythonPolicy(policy_name);
}
Policy& get_policy() {
Policy& get_policy()
{
return *_python_policy;
}
};
int
main(int argc, char** argv) {
using namespace sgpem;
using namespace std;
main(int argc, char** argv)
{
using namespace sgpem;
using namespace std;
int successes = 0;
int successes = 0;
if(argc != 2) {
std::cout << "[EE] Usage:\n\t" << argv[0] <<
" path/to/uninstalled/policies" << std::endl;
exit(-1);
}
else
// Add argv[1] as the directory to search for uninstalled policies
sgpem::GlobalPreferences::get_instance().add_policies_dir(argv[1]);
if(argc != 2)
{
std::cout << "[EE] Usage:\n\t" << argv[0] <<
" path/to/uninstalled/policies" << std::endl;
exit(-1);
}
else
// Add argv[1] as the directory to search for uninstalled policies
sgpem::GlobalPreferences::get_instance().add_policies_dir(argv[1]);
// Self-register itself to Scheduler, however we don't care about it
TestPythonPolicyManager polman;
// Self-register itself to Scheduler, however we don't care about it
TestPythonPolicyManager polman;
try
{
polman.test_init("python_loader_configure");
polman.get_policy().configure();
}
catch(UserInterruptException e)
{
cout << "configure: Caught UserInterruptException" << endl;
successes++;
}
try
{
polman.test_init("python_loader_is_preemptive");
polman.get_policy().is_pre_emptive();
}
catch(UserInterruptException e)
{
cout << "is_preemptive: Caught UserInterruptException" << endl;
successes++;
}
try
{
polman.test_init("python_loader_get_time_slice");
polman.get_policy().get_time_slice();
}
catch(UserInterruptException e)
{
cout << "get_time_slice: Caught UserInterruptException" << endl;
successes++;
}
try
{
polman.test_init("python_loader_configure");
polman.get_policy().configure();
}
catch(UserInterruptException e)
{
cout << "configure: Caught UserInterruptException" << endl;
successes++;
}
try
{
SchedulableQueue sl;
polman.test_init("python_loader_sort_queue");
polman.get_policy().sort_queue();
}
catch(UserInterruptException e)
{
cout << "sort_queue: Caught UserInterruptException" << endl;
successes++;
}
try
{
polman.test_init("python_loader_is_preemptive");
polman.get_policy().is_pre_emptive();
}
catch(UserInterruptException e)
{
cout << "is_preemptive: Caught UserInterruptException" << endl;
successes++;
}
cout << "Result: catched " << successes
<< " exceptions out of 4." << endl;
try
{
polman.test_init("python_loader_get_time_slice");
polman.get_policy().get_time_slice();
}
catch(UserInterruptException e)
{
cout << "get_time_slice: Caught UserInterruptException" << endl;
successes++;
}
exit(0);
try
{
SchedulableQueue sl;
polman.test_init("python_loader_sort_queue");
polman.get_policy().sort_queue();
}
catch(UserInterruptException e)
{
cout << "sort_queue: Caught UserInterruptException" << endl;
successes++;
}
cout << "Result: catched " << successes
<< " exceptions out of 4." << endl;
exit(0);
}

15
plugins/xmlsave/src/hook.cc
View File

@ -21,7 +21,7 @@
// The idea of this file is to provide a static function to execute
// when the plugin (this library) is loaded. Thus the name "hook".
// For the moment, instead of a function hook to be called by the
// For the moment, instead of a function hook to be called by the
// libbackend.so module, we have a static PythonPolicyManager object.
// This is a risk.
#warning FIXME : this code is quite a bad idea. Replace me with \
@ -29,7 +29,8 @@
therein. See "info libtool": "dlopened modules"
#ifdef __cplusplus
extern "C" {
extern "C"
{
#endif
#include "config.h"
@ -37,13 +38,11 @@ extern "C" {
#define SG_CONSTRUCTOR __attribute__ ((constructor))
#define SG_DESTRUCTOR __attribute__ ((destructor))
void SG_DLLEXPORT SG_CONSTRUCTOR hook_ctor(void)
{
}
void SG_DLLEXPORT SG_CONSTRUCTOR hook_ctor(void)
{}
void SG_DLLEXPORT SG_DESTRUCTOR hook_dtor(void)
{
}
void SG_DLLEXPORT SG_DESTRUCTOR hook_dtor(void)
{}
#ifdef __cplusplus
}

56
src/backend/dynamic_process.cc
View File

@ -29,63 +29,63 @@ using namespace sgpem;
using std::vector;
DynamicProcess::DynamicProcess(StaticProcess* core) :
DynamicSchedulable(*core)
{
}
DynamicSchedulable(*core)
{}
DynamicProcess::DynamicProcess(const DynamicProcess &other) :
Schedulable(), DynamicSchedulable(other), Process()
Schedulable(), DynamicSchedulable(other), Process()
{
typedef vector<DynamicThread*>::const_iterator ThreadIt;
const vector<DynamicThread*>& other_threads = other._dynamic_threads;
for(ThreadIt it = other_threads.begin(); it != other_threads.end(); ++it)
_dynamic_threads.push_back(new DynamicThread(*(*it)));
}
std::vector<Thread*>
std::vector<Thread*>
DynamicProcess::get_threads()
{
return vector<Thread*>(_dynamic_threads.begin(), _dynamic_threads.end());
}
Schedulable::state
Schedulable::state
DynamicProcess::get_state() const
{
typedef vector<DynamicThread*>::const_iterator ThreadIt;
static const int uninitialized = -1;
assert(_dynamic_threads.size() > 0);
state result = state_future;
int next_thread_starts_at = uninitialized;
for(ThreadIt it = _dynamic_threads.begin(); it != _dynamic_threads.end(); ++it)
{
state thread_state = (*it)->get_state();
// This is the logic behind the code:
// If there is at least one running thread, the result is
// If there is at least one running thread, the result is
// running. If not, it may be either blocked, ready, future or terminated.
// We have these cases (a state takes precedence over some other one):
// (a) if a thread is running, return immediately state_running
// (b) if a thread is ready, puts unconditionally result as state_ready,
// (b) if a thread is ready, puts unconditionally result as state_ready,
// and continue iterating (to see if there's a running thread)
// (c) if a thread is blocked, and result is not state_ready, result
// (c) if a thread is blocked, and result is not state_ready, result
// becomes state_blocked, and continue iterating (to see if there are
// ready or running threads)
// (d) if a thread is future, and result is not state_ready or
// (d) if a thread is future, and result is not state_ready or
// state_blocked, put result as state_future, and remember
// when the next thread will start (d1) (see at the end of this
// method for the rationale (d2)). Then continue iterating.
// (e) else (if all threads are state_terminated) put result as
// (e) else (if all threads are state_terminated) put result as
// state_terminated.
// TODO Is this OK? Must be tested...
switch(thread_state) {
switch(thread_state)
{
case state_running: // (a)
return state_running;
case state_ready: // (b)
@ -98,9 +98,9 @@ DynamicProcess::get_state() const
result = state_future;
int thread_starts_at = (*it)->get_arrival_time();
if(next_thread_starts_at == uninitialized) // (d1)
next_thread_starts_at = thread_starts_at;
next_thread_starts_at = thread_starts_at;
else
next_thread_starts_at = std::min(thread_starts_at, next_thread_starts_at);
next_thread_starts_at = std::min(thread_starts_at, next_thread_starts_at);
continue;
default: // (e)
result = state_terminated;
@ -108,7 +108,7 @@ DynamicProcess::get_state() const
} //~ "for" iterating over threads
// Now check if a "hole" happens: if result == state_future, but the next
// Now check if a "hole" happens: if result == state_future, but the next
// thread to start, e.g. the one with the least arrival_time, has
// start time greater than the current process elapsed time, then
// pass from state_future to state_terminated:
@ -121,13 +121,13 @@ DynamicProcess::get_state() const
return result;
}
void
void
DynamicProcess::remove_thread(Thread* thread)
{
assert(thread != NULL);
vector<DynamicThread*>::iterator it;
it = std::find(_dynamic_threads.begin(), _dynamic_threads.end(), thread);
if(it != _dynamic_threads.end())
@ -137,7 +137,7 @@ DynamicProcess::remove_thread(Thread* thread)
// (which is?)
delete *it;
}
}
void
@ -148,9 +148,9 @@ DynamicProcess::add_thread(DynamicThread* thread)
_dynamic_threads.push_back(thread);
}
void
void
DynamicProcess::serialize(SerializeVisitor& translator) const
{
//FIXME write this code. I'm predictable, I know
}

8
src/backend/dynamic_process.hh
View File

@ -41,20 +41,20 @@ namespace sgpem
public:
DynamicProcess(StaticProcess* core);
DynamicProcess(const DynamicProcess &other);
std::vector<Thread*> get_threads();
state get_state() const;
void remove_thread(Thread* thread);
void add_thread(DynamicThread* thread);
void serialize(SerializeVisitor& translator) const;
private:
std::vector<DynamicThread*> _dynamic_threads;
};
}
#endif

30
src/backend/dynamic_request.cc
View File

@ -28,41 +28,41 @@
using namespace sgpem;
using std::vector;
DynamicRequest::DynamicRequest(StaticRequest *core,
DynamicRequest::DynamicRequest(StaticRequest *core,
DynamicThread* owner) :
_static_request(core), _dynamic_thread(owner),
_state(state_ready)
_static_request(core), _dynamic_thread(owner),
_state(state_ready)
{
assert(core != NULL);
assert(owner != NULL);
}
vector<SubRequest*>
vector<SubRequest*>
DynamicRequest::get_subrequests()
{
return vector<SubRequest*>(_dynamic_subrequests.begin(), _dynamic_subrequests.end());
}
DynamicThread&
DynamicThread&
DynamicRequest::get_thread()
{
return *_dynamic_thread;
}
unsigned int
unsigned int
DynamicRequest::get_instant() const
{
return _static_request->get_instant();
}
Request::state
Request::state
DynamicRequest::get_current_state() const
{
return _state;
}
void
void
DynamicRequest::add_subrequest(DynamicSubRequest* subreq)
{
assert(subreq != NULL);
@ -70,23 +70,23 @@ DynamicRequest::add_subrequest(DynamicSubRequest* subreq)
_dynamic_subrequests.push_back(subreq);
}
void
void
DynamicRequest::remove_subrequest(SubRequest* subreq)
{
assert(subreq != NULL);
vector<DynamicSubRequest*>::iterator it;
it = std::find(_dynamic_subrequests.begin(), _dynamic_subrequests.end(), subreq);
if(it != _dynamic_subrequests.end())
{
_dynamic_subrequests.erase(it);
delete *it;
_dynamic_subrequests.erase(it);
delete *it;
}
}
void
void
DynamicRequest::serialize(SerializeVisitor& translator) const
{
// Let a drunk monkey write this code ;P

4
src/backend/dynamic_request.hh
View File

@ -37,7 +37,7 @@ namespace sgpem
class DynamicThread;
class SubRequest;
class DynamicSubRequest;
class DynamicRequest : public Request
{
public:
@ -62,7 +62,7 @@ namespace sgpem
state _state;
std::vector<DynamicSubRequest*> _dynamic_subrequests;
};
}
#endif

11
src/backend/dynamic_resource.cc
View File

@ -26,23 +26,22 @@
using namespace sgpem;
DynamicResource::DynamicResource(StaticResource *core) :
_static_resource(core)
{
}
_static_resource(core)
{}
Glib::ustring
Glib::ustring
DynamicResource::get_name() const
{
return _static_resource->get_name();
}
unsigned int
unsigned int
DynamicResource::get_places() const
{
return _static_resource->get_places();
}
void
void
DynamicResource::serialize(SerializeVisitor& translator) const
{
// Let a drunk monkey write this code ;P

6
src/backend/dynamic_resource.hh
View File

@ -33,12 +33,12 @@ namespace sgpem
class DynamicResource;
class SerializeVisitor;
class StaticResource;
class DynamicResource : public Resource
{
public:
DynamicResource(StaticResource *core);
Glib::ustring get_name() const;
unsigned int get_places() const;
@ -47,7 +47,7 @@ namespace sgpem
private:
memory::smart_ptr<StaticResource> _static_resource;
};
}
#endif

33
src/backend/dynamic_schedulable.cc
View File

@ -26,11 +26,10 @@ using namespace sgpem;
using namespace std;
DynamicSchedulable::DynamicSchedulable(StaticSchedulable& obj) :
_time_left(obj.get_total_cpu_time()), _ref(&obj), _last_acquisition(-1),
_last_release(-1), _priority_push(0), _last(-1),
_my_state(state_future)
{
}
_time_left(obj.get_total_cpu_time()), _ref(&obj), _last_acquisition(-1),
_last_release(-1), _priority_push(0), _last(-1),
_my_state(state_future)
{}
bool
DynamicSchedulable::operator==(const DynamicSchedulable& dx) const
@ -38,37 +37,37 @@ DynamicSchedulable::operator==(const DynamicSchedulable& dx) const
return _ref == dx._ref;
}
Glib::ustring
Glib::ustring
DynamicSchedulable::get_name() const
{
return _ref->get_name();
}
unsigned int
unsigned int
DynamicSchedulable::get_arrival_time() const
{
return _ref->get_arrival_time();
}
int
int
DynamicSchedulable::get_base_priority() const
{
return _ref->get_priority();
}
unsigned int
unsigned int
DynamicSchedulable::get_total_cpu_time() const
{
return _ref->get_total_cpu_time();
}
int
int
DynamicSchedulable::get_priority_push() const
{
return _priority_push;
}
void
void
DynamicSchedulable::set_priority_push(int new_value)
{
_priority_push = new_value;
@ -80,37 +79,37 @@ DynamicSchedulable::get_current_priority() const
return get_base_priority() + get_priority_push();
}
unsigned int
unsigned int
DynamicSchedulable::get_remaining_time() const
{
return _time_left;
}
void
void
DynamicSchedulable::decrease_remaining_time()
{
--_time_left;
}
int
int
DynamicSchedulable::get_last_acquisition() const
{
return _last_acquisition;
}
void
void
DynamicSchedulable::set_last_acquisition(int instant)
{
_last_acquisition = instant;
}
int
int
DynamicSchedulable::get_last_release() const
{
return _last_release;
}
void
void
DynamicSchedulable::set_last_release(int instant)
{
_last_release = instant;

13
src/backend/dynamic_schedulable.hh
View File

@ -46,7 +46,7 @@ namespace sgpem
/** \brief Object constructor */
DynamicSchedulable(StaticSchedulable& obj);
//DynamicSchedulable(const DynamicSchedulable& obj); //copy constructor
//DynamicSchedulable(const DynamicSchedulable& obj); //copy constructor
/** \brief Verify if two instances represents the same situation
*
@ -85,11 +85,11 @@ namespace sgpem
void set_last_release(int instant);
/*
/*
FIXME
all following methods are deprecated, drop them
*/
/** \brief Returns the remaining CPU time */
int get_cpu_time_left() const;
@ -112,9 +112,8 @@ namespace sgpem
void set_state(state s);
void serialize(SerializeVisitor& translator) const
{
}
{}
/** \brief Returns a pointer to the schedulable object
*
* This function returns a pointer to the actual schedable object
@ -131,7 +130,7 @@ namespace sgpem
int _last_release;
int _priority_push;
//FIXME deprecated stuff used by deprecated methods
//FIXME deprecated stuff used by deprecated methods
int _last;
state _my_state;
};

18
src/backend/dynamic_sub_request.cc
View File

@ -26,46 +26,46 @@
using namespace sgpem;
DynamicSubRequest::DynamicSubRequest(StaticSubRequest* core,
DynamicSubRequest::DynamicSubRequest(StaticSubRequest* core,
DynamicResource* resource) :
_static_subrequest(core), _dynamic_resource(resource),
_queue_position(-1)
_static_subrequest(core), _dynamic_resource(resource),
_queue_position(-1)
{
assert(core != NULL);
assert(resource != NULL);
}
DynamicResource&
DynamicResource&
DynamicSubRequest::get_resource()
{
return *_dynamic_resource;
}
unsigned int
unsigned int
DynamicSubRequest::get_places() const
{
return _static_subrequest->get_places();
}
unsigned int
unsigned int
DynamicSubRequest::get_length() const
{
return _static_subrequest->get_length();
}
int
int
DynamicSubRequest::get_queue_position() const
{
return _queue_position;
}
void
void
DynamicSubRequest::set_queue_position(int position)
{
_queue_position = position;
}
void
void
DynamicSubRequest::serialize(SerializeVisitor& translator) const
{
//blah blah blah TODO

10
src/backend/dynamic_sub_request.hh
View File

@ -34,13 +34,13 @@ namespace sgpem
class SerializeVisitor;
class Resource;
class StaticSubRequest;
class DynamicSubRequest : public SubRequest
{
public:
DynamicSubRequest(StaticSubRequest* core, DynamicResource* resource);
DynamicResource& get_resource();
DynamicResource& get_resource();
unsigned int get_places() const;
@ -48,7 +48,7 @@ namespace sgpem
int get_queue_position() const;
void set_queue_position(int position);
void serialize(SerializeVisitor& translator) const;
private:
@ -56,7 +56,7 @@ namespace sgpem
DynamicResource* _dynamic_resource;
int _queue_position;
};
}
#endif

37
src/backend/dynamic_thread.cc
View File

@ -29,18 +29,17 @@ using namespace sgpem;
using std::vector;
DynamicThread::DynamicThread(StaticThread* core, DynamicProcess* parent) :
DynamicSchedulable(*core), _state(state_future), _parent(parent)
{
}
DynamicThread::DynamicThread(StaticThread* core, DynamicProcess* parent) :
DynamicSchedulable(*core), _state(state_future), _parent(parent)
{}
DynamicThread::DynamicThread(const DynamicThread &other) :
Schedulable(), DynamicSchedulable(other), Thread()
Schedulable(), DynamicSchedulable(other), Thread()
{
typedef vector<DynamicRequest*>::const_iterator ReqIt;
const vector<DynamicRequest*>& other_req = other._dynamic_requests;
_state = other._state;
_parent = other._parent;
@ -48,19 +47,19 @@ DynamicThread::DynamicThread(const DynamicThread &other) :
_dynamic_requests.push_back(new DynamicRequest(*(*it)));
}
DynamicProcess&
DynamicProcess&
DynamicThread::get_process()
{
return *_parent;
}
Schedulable::state
Schedulable::state
DynamicThread::get_state() const
{
return _state;
}
Schedulable::state
Schedulable::state
DynamicThread::set_state(state new_state)
{
state old_state = _state;
@ -69,19 +68,19 @@ DynamicThread::set_state(state new_state)
return old_state;
}
vector<Request*>
vector<Request*>
DynamicThread::get_requests()
{
return vector<Request*>(_dynamic_requests.begin(), _dynamic_requests.end());
}
void
void
DynamicThread::remove_request(Request* request)
{
assert(request != NULL);
vector<DynamicRequest*>::iterator it;
it = std::find(_dynamic_requests.begin(), _dynamic_requests.end(), request);
if(it != _dynamic_requests.end())
@ -89,10 +88,10 @@ DynamicThread::remove_request(Request* request)
_dynamic_requests.erase(it);
delete *it;
}
}
void
void
DynamicThread::add_request(DynamicRequest* request)
{
assert(request != NULL);

10
src/backend/dynamic_thread.hh
View File

@ -45,9 +45,9 @@ namespace sgpem
public:
DynamicThread(StaticThread* core, DynamicProcess* parent);
DynamicThread(const DynamicThread &other);
DynamicProcess& get_process();
state get_state() const;
state set_state(state new_state);
@ -55,17 +55,17 @@ namespace sgpem
std::vector<Request*> get_requests();
void remove_request(Request* request);
void add_request(DynamicRequest* request);
void serialize(SerializeVisitor& translator) const;
private:
state _state;
std::vector<DynamicRequest*> _dynamic_requests;
DynamicProcess* _parent;
};
}
#endif

16
src/backend/global_preferences.cc
View File

@ -36,41 +36,41 @@ GlobalPreferences::GlobalPreferences()
GlobalPreferences::dir_iterator
GlobalPreferences::policies_dir_begin() const
{
return _pol_dirs.begin();
return _pol_dirs.begin();
}
GlobalPreferences::dir_iterator
GlobalPreferences::policies_dir_end() const
{
return _pol_dirs.end();
return _pol_dirs.end();
}
GlobalPreferences::dir_iterator
GlobalPreferences::modules_dir_begin() const
{
return _mod_dirs.begin();
return _mod_dirs.begin();
}
GlobalPreferences::dir_iterator
GlobalPreferences::modules_dir_end() const
{
return _mod_dirs.end();
return _mod_dirs.end();
}
void
void
GlobalPreferences::add_modules_dir(const Glib::ustring& moddir)
{
_mod_dirs.insert(_mod_dirs.begin(), moddir);
_mod_dirs.insert(_mod_dirs.begin(), moddir);
}
void
void
GlobalPreferences::add_policies_dir(const Glib::ustring& poldir)
{
_pol_dirs.insert(_pol_dirs.begin(), poldir);
_pol_dirs.insert(_pol_dirs.begin(), poldir);
}

38
src/backend/global_preferences.hh
View File

@ -29,37 +29,39 @@
// Do not include complete template definition here:
#include "singleton.hh"
namespace sgpem {
class GlobalPreferences;
namespace sgpem
{
class GlobalPreferences;
}
#include "config.h"
namespace sgpem {
namespace sgpem
{
class SG_DLLEXPORT GlobalPreferences : public Singleton<GlobalPreferences>
{
friend class Singleton<GlobalPreferences>;
public:
typedef std::vector<Glib::ustring>::const_iterator dir_iterator;
typedef std::vector<Glib::ustring>::const_iterator dir_iterator;
dir_iterator modules_dir_begin() const;
dir_iterator modules_dir_end() const;
dir_iterator modules_dir_begin() const;
dir_iterator modules_dir_end() const;
dir_iterator policies_dir_begin() const;
dir_iterator policies_dir_end() const;
dir_iterator policies_dir_begin() const;
dir_iterator policies_dir_end() const;
void add_modules_dir(const Glib::ustring& moddir);
void add_policies_dir(const Glib::ustring& poldir);
void add_modules_dir(const Glib::ustring& moddir);
void add_policies_dir(const Glib::ustring& poldir);
private:
GlobalPreferences();
GlobalPreferences(const GlobalPreferences&);
GlobalPreferences& operator=(const GlobalPreferences&);
std::vector<Glib::ustring> _mod_dirs;
std::vector<Glib::ustring> _pol_dirs;
};
private:
GlobalPreferences();
GlobalPreferences(const GlobalPreferences&);
GlobalPreferences& operator=(const GlobalPreferences&);
std::vector<Glib::ustring> _mod_dirs;
std::vector<Glib::ustring> _pol_dirs;
};
}
#endif

97
src/backend/history.cc
View File

@ -38,13 +38,14 @@ template class SG_DLLEXPORT smart_ptr<SchedulableQueue>;
template class SG_DLLEXPORT smart_ptr<DynamicSchedulable>;
/**
The constructor sets _total_time_elapsed to -1: this permits to insert the INITIAL STATUS
of the simulation which must begin at instant -1 and live for 1 instant.
The constructor sets _total_time_elapsed to -1: this permits to insert the INITIAL STATUS
of the simulation which must begin at instant -1 and live for 1 instant.
*/
History::History() //private constructor.
:_total_time_elapsed(-1)
History::History() //private constructor.
:
_total_time_elapsed(-1)
{}
/**
Returns a pointer to a copy of the DynamicSchedulable object relative to this instant.
@ -54,38 +55,38 @@ History::History() //private constructor.
smart_ptr<DynamicSchedulable>
History::get_scheduled_at(int time) const
{
if (time > _total_time_elapsed || time < 0) //out of range
if (time > _total_time_elapsed || time < 0) //out of range
return smart_ptr<DynamicSchedulable>(NULL);
//look for a runing entity
smart_ptr<SchedulableQueue> p = get_simulation_status_at(time);
for (uint i = 0; i < p->size(); i++)
if (p->get_item_at(i)->get_state() == DynamicSchedulable::state_running)
return smart_ptr<DynamicSchedulable>(new DynamicSchedulable(*(p->get_item_at(i))));
if (p->get_item_at(i)->get_state() == DynamicSchedulable::state_running)
return smart_ptr<DynamicSchedulable>(new DynamicSchedulable(*(p->get_item_at(i))));
return smart_ptr<DynamicSchedulable>(NULL);
}
/**
Returns a pointer to a copy of the SimulationStatus object relative to this instant or NULL
if time is out of range.
if time is out of range.
*/
smart_ptr<SchedulableQueue>
History::get_simulation_status_at(int time) const
History::get_simulation_status_at(int time) const
{
if (time > _total_time_elapsed || time < 0) //out of range
return smart_ptr<SchedulableQueue>(NULL);
int trascorso = -1;
for(vector<Slice>::const_iterator i=_slices.begin(); i < _slices.end(); i++)
if (time <= trascorso + i->get_duration()) //FOUND!!
return smart_ptr<SchedulableQueue>(new SchedulableQueue(*i->get_simulation_status()));
else //Go on...
trascorso += i->get_duration();
if (time > _total_time_elapsed || time < 0) //out of range
return smart_ptr<SchedulableQueue>(NULL);
int trascorso = -1;
for(vector<Slice>::const_iterator i = _slices.begin(); i < _slices.end(); i++)
if (time <= trascorso + i->get_duration()) //FOUND!!
return smart_ptr<SchedulableQueue>(new SchedulableQueue(*i->get_simulation_status()));
else //Go on...
trascorso += i->get_duration();
//never reached if all slices are CONTIGUOUS (ans THIS shoul be!!)!!!
return smart_ptr<SchedulableQueue>(NULL);
return smart_ptr<SchedulableQueue>(NULL);
}
int
@ -108,42 +109,42 @@ History::enqueue_slice(const SchedulableQueue& status)
notify();
return;
}
//check the last slice
Slice& last = _slices[_slices.size()-1];
if (last.get_simulation_status()->has_same_objects(status)) //increments the duration by ONE unit
if (last.get_simulation_status()->has_same_objects(status)) //increments the duration by ONE unit
{
last.set_duration(last.get_duration()+1);
last.set_duration(last.get_duration() + 1);
}
else //insert a new slice CONTIGUOUS to the last one
{
_slices.push_back(Slice(last.get_started_at() + last.get_duration(), 1, status));
}
_total_time_elapsed++; //one instant is passed...
else //insert a new slice CONTIGUOUS to the last one
{
_slices.push_back(Slice(last.get_started_at() + last.get_duration(), 1, status));
}
_total_time_elapsed++; //one instant is passed...
notify();
}
/**
Removes all the informations about the simulation following the specified instant.
Ex. truncate_at(0); removes all scheduled slices
Ex. truncate_at(-1); removes all scheduled slices and the initial status
Removes all the informations about the simulation following the specified instant.
Ex. truncate_at(0); removes all scheduled slices
Ex. truncate_at(-1); removes all scheduled slices and the initial status
*/
void
History::truncate_at(int instant)
{
vector<Slice>::iterator i = _slices.begin();
//reach the instant
while (i != _slices.end())
if (i->get_started_at() < instant)
i++;
else
{
//replaces the current vector with the "trimmed" one.
_slices = vector<Slice>(_slices.begin(),i);
_total_time_elapsed = instant;
break;
}
notify();
vector<Slice>::iterator i = _slices.begin();
//reach the instant
while (i != _slices.end())
if (i->get_started_at() < instant)
i++;
else
{
//replaces the current vector with the "trimmed" one.
_slices = vector<Slice>(_slices.begin(), i);
_total_time_elapsed = instant;
break;
}
notify();
}

88
src/backend/history.hh
View File

@ -38,65 +38,65 @@
namespace sgpem
{
/** \brief Manages the history of the simulation
Manages the history of the simulation from the instant 0 to the current time,
i.e. permits to know the state of each schedulable object inside this time interval.
In particoular it's possible to know which entity was running at a precise moment.
In a future iteration it will be possible to revert the entire simulation to a state
present in the history ("undo operation")
/** \brief Manages the history of the simulation
Manages the history of the simulation from the instant 0 to the current time,
i.e. permits to know the state of each schedulable object inside this time interval.
In particoular it's possible to know which entity was running at a precise moment.
In a future iteration it will be possible to revert the entire simulation to a state
present in the history ("undo operation")
*/
class History;
class SG_DLLEXPORT History : public Singleton<History>, public ObservedSubject
class SG_DLLEXPORT History : public Singleton<History>, public ObservedSubject
{
friend class Singleton<History>;
public:
/**
Gets the \ref Schedulable object running at the specified time.
\param time The inquired time instant.
\return The Schedulable object running at the given time.
*/
virtual memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time) const;
/**
Gets the \ref Schedulable object running at the specified time.
\param time The inquired time instant.
\return The Schedulable object running at the given time.
*/
virtual memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time) const;
/**
Gets the status of simulation at the specified time.
\param time The inquired time instant.
\return The list of Schedulable status objects at the specified time.
*/
virtual memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const;
/**
Gets the status of simulation at the specified time.
\param time The inquired time instant.
\return The list of Schedulable status objects at the specified time.
*/
virtual memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const;
/**
Gets the current time.
\return The current history time.
*/
virtual int get_current_time() const;
/**
Gets the current time.
\return The current history time.
*/
virtual int get_current_time() const;
/**
Sets the status of simulation at the current time.
\param status The list of \ref Schedulable status objects at the current time.
*/
virtual void enqueue_slice(const sgpem::SchedulableQueue& status);
/**
Sets the status of simulation at the current time.
\param status The list of \ref Schedulable status objects at the current time.
*/
virtual void enqueue_slice(const sgpem::SchedulableQueue& status);
/**
Remove all data in History following the specified time.
\param instant Desired cutting time.
*/
virtual void truncate_at(int instant);
/**
Remove all data in History following the specified time.
\param instant Desired cutting time.
*/
virtual void truncate_at(int instant);
protected:
History(); //private constructor.
History(const History&);
History& operator=(const History&);
History(); //private constructor.
History(const History&);
History& operator=(const History&);
private:
int _total_time_elapsed;
std::vector<sgpem::Slice> _slices;
int _total_time_elapsed;
std::vector<sgpem::Slice> _slices;
};
}//~ namespace sgpem
#endif //HISTORY_H

19
src/backend/observed_subject.cc
View File

@ -23,25 +23,24 @@ using namespace std;
using namespace sgpem;
ObservedSubject::~ObservedSubject()
{
}
ObservedSubject::~ObservedSubject()
{}
/**
Calls update() in each Observer
*/
void
void
ObservedSubject::notify()
{
for(vector<Observer*>::iterator i = _attached.begin(); i < _attached.end(); i++)
(*i)->update();
(*i)->update();
}
/**
Attachs an Observer to this ObservedSubject.
*/
void
void
ObservedSubject::attach(Observer* o)
{
_attached.push_back(o);
@ -51,14 +50,14 @@ ObservedSubject::attach(Observer* o)
Detachs the observer from this ObservedSubject.
*/
bool
bool
ObservedSubject::detach(Observer* o)
{
vector<Observer*>::iterator i = find(_attached.begin(), _attached.end(), o);
if (i == _attached.end())
return false;
_attached.erase(i); // FOUND and POPPED
_attached.erase(i); // FOUND and POPPED
return true;
}

16
src/backend/observed_subject.hh
View File

@ -35,8 +35,8 @@ namespace sgpem
/** \brief Represents an observed entity.
Abstract class which represents an observed entity. It calls Update() in all Observer objects
which are attached to it. See the "Observer Pattern" for more informations.
Abstract class which represents an observed entity. It calls Update() in all Observer objects
which are attached to it. See the "Observer Pattern" for more informations.
*/
class SG_DLLEXPORT ObservedSubject
{
@ -44,23 +44,23 @@ namespace sgpem
virtual ~ObservedSubject() = 0;
/**
This method calls Update() on each attached Observer. It should be called when the internal state
of the ObservedSubject is changed and Observers have to be updated.
This method calls Update() on each attached Observer. It should be called when the internal state
of the ObservedSubject is changed and Observers have to be updated.
*/
void notify();
/**
\brief Adds an Observer object to the internal list.
\brief Adds an Observer object to the internal list.
*/
void attach(sgpem::Observer*);
/**
\brief Removes an Observer object from the internal list.
\brief Removes an Observer object from the internal list.
\returns TRUE if the Observer object has been previously attached (is found in the list);
\returns FALSE otherwise.
\returns TRUE if the Observer object has been previously attached (is found in the list);
\returns FALSE otherwise.
*/
bool detach(sgpem::Observer*);

55
src/backend/plugin.hh
View File

@ -25,40 +25,41 @@
#include <glibmm/ustring.h>
/** \file plugin.hh
/** \file plugin.hh
* All loadable modules that want to act as plugins
* for SGPEMv2 should implement this interface. */
namespace sgpem
namespace sgpem
{
/** \brief The interface a specific plugin should implement
*
* Only the header file containing this interface
* should be provided by the backend library. Every plugin
* will then implement its set of static functions.
* Thus every plugin will export these very symbols
* outside its DSO.
*/
class SG_DLLEXPORT Plugin
{
/** \brief Called when a plugin is loaded and enabled
*
* Sets up the plugin's initial state and
* performs needed actions before its usage can start.
*/
static void on_init();
/** \brief The interface a specific plugin should implement
*
* Only the header file containing this interface
* should be provided by the backend library. Every plugin
* will then implement its set of static functions.
* Thus every plugin will export these very symbols
* outside its DSO.
*/
class SG_DLLEXPORT Plugin
{
/** \brief Called when a plugin is loaded and enabled
*
* Sets up the plugin's initial state and
* performs needed actions before its usage can start.
*/
static void on_init();
static void on_exit();
static Glib::ustring describe();
static Glib::ustring get_name();
static Glib::ustring get_author();
static float get_version();
static void on_exit();
static Glib::ustring describe();
static Glib::ustring get_name();
static Glib::ustring get_author();
static float get_version();
private:
SG_DLLLOCAL Plugin();
}; //~ class Plugin
private:
SG_DLLLOCAL Plugin();
}
; //~ class Plugin
} //~ namespace sgpem
#endif
#endif

29
src/backend/policies_gatekeeper.cc
View File

@ -36,7 +36,7 @@ using std::find;
using std::runtime_error;
using namespace sgpem;
// Explicit template instantiation to allow to export symbols from the DSO.
// Explicit template instantiation to allow to export symbols from the DSO.
template class SG_DLLEXPORT Singleton<PoliciesGatekeeper>;
typedef vector<PolicyManager*>::iterator ManagerIterator;
@ -52,7 +52,7 @@ void
PoliciesGatekeeper::register_manager(PolicyManager* manager)
{
assert(manager != NULL);
ManagerIterator end = _registered.end();
if(find(_registered.begin(), end, manager) == end)
@ -63,7 +63,7 @@ void
PoliciesGatekeeper::unregister_manager(PolicyManager* manager)
{
assert(manager != NULL);
ManagerIterator end = _registered.end();
ManagerIterator pos = find(_registered.begin(), end, manager);
@ -80,11 +80,11 @@ PoliciesGatekeeper::get_current_policy(History* history) throw(runtime_error)
assert(history != NULL);
ActiveIterator policy = _active_policies.find(history);
if(policy == _active_policies.end())
throw runtime_error("No active policy associated with this "
"history is available.");
return policy->second;
}
@ -107,31 +107,30 @@ PoliciesGatekeeper::activate_policy(History *history, Policy* policy)
}
PoliciesGatekeeper::PoliciesGatekeeper()
{
}
{}
void
void
PoliciesGatekeeper::deactivate_policies(PolicyManager* manager)
{
typedef vector<Policy*>::iterator PolicyIterator;
vector<Policy*> avail_policies = manager->get_avail_policies();
PolicyIterator avail_it = avail_policies.begin();
PolicyIterator avail_end = avail_policies.end();
for(; avail_it != avail_end; ++avail_it)
{
// TODO isn't there a way to write more compact code by using
// library utilities?
// TODO isn't there a way to write more compact code by using
// library utilities?
ActiveIterator act_it = _active_policies.begin();
for(; act_it != _active_policies.end(); ++act_it)
{
if(act_it->second == *avail_it)
{
act_it->second->deactivate();
_active_policies.erase(act_it);
act_it->second->deactivate();
_active_policies.erase(act_it);
}
}
}

26
src/backend/policies_gatekeeper.hh
View File

@ -40,7 +40,7 @@ namespace sgpem
{
class PoliciesGatekeeper;
/** \brief FIXME document me
/** \brief FIXME document me
*/
@ -50,28 +50,28 @@ namespace sgpem
friend class Singleton<PoliciesGatekeeper>;
public:
std::vector<PolicyManager*> get_registered() const;
std::vector<PolicyManager*> get_registered() const;
void register_manager(PolicyManager* manager);
void register_manager(PolicyManager* manager);
void unregister_manager(PolicyManager* manager);
void unregister_manager(PolicyManager* manager);
Policy* get_current_policy(History* history) throw(std::runtime_error);
Policy* get_current_policy(History* history) throw(std::runtime_error);
void activate_policy(History* history, Policy* policy);
void activate_policy(History* history, Policy* policy);
private:
PoliciesGatekeeper(); //private constructor.
PoliciesGatekeeper(); //private constructor.
PoliciesGatekeeper(const PoliciesGatekeeper&);
PoliciesGatekeeper& operator=(const PoliciesGatekeeper&);
// Deactivates active policies managed by the specified manager.
void deactivate_policies(PolicyManager* manager);
std::vector<PolicyManager*> _registered;
std::map<History*, Policy*> _active_policies;
void deactivate_policies(PolicyManager* manager);
std::vector<PolicyManager*> _registered;
std::map<History*, Policy*> _active_policies;
};
}//~ namespace sgpem
#endif //POLICIES_GATEKEEPER_HH

7
src/backend/policy.cc
View File

@ -24,18 +24,17 @@ using namespace sgpem;
using namespace memory;
Policy::~Policy()
{
}
{}
int
Policy::get_id() const
{
return _id;
return _id;
}
PolicyParameters&
Policy::get_parameters()
{
return _parameters;
return _parameters;
}

164
src/backend/policy.hh
View File

@ -33,106 +33,106 @@
namespace sgpem
{
enum policy_sorts_type
{
policy_sorts_threads,
policy_sorts_processes
};
enum policy_sorts_type
{
policy_sorts_threads,
policy_sorts_processes
};
class Policy;
/** \brief
It's a Strategy wich stay for a scheduling algorithm.
It implements the related scheduling policy.
Its goal is, usually, to keep a list of Schedulable objects
mantained in a SchedulableQueue.
*/
class SG_DLLEXPORT Policy
{
public:
virtual ~Policy();
/**
Initialize the inner components of the policy.
class Policy;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void configure() throw(UserInterruptException) = 0;
/** \brief
It's a Strategy wich stay for a scheduling algorithm.
It implements the related scheduling policy.
Its goal is, usually, to keep a list of Schedulable objects
mantained in a SchedulableQueue.
*/
class SG_DLLEXPORT Policy
{
public:
/**
Sort the \ref SchedulableQueue object that contain all the Schedulable objects
(Processes, Threads) still active managed by the scheduler.
virtual ~Policy();
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void sort_queue() const throw(UserInterruptException) = 0;
/**
Initialize the inner components of the policy.
/**
Gets the unique identifier (id) of this Policy.
\return The Policy id.
*/
int get_id() const;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void configure() throw(UserInterruptException) = 0;
/**
Gets a string description of the policy.
/**
Sort the \ref SchedulableQueue object that contain all the Schedulable objects
(Processes, Threads) still active managed by the scheduler.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return String description of the policy.
*/
virtual Glib::ustring get_description() const = 0;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void sort_queue() const throw(UserInterruptException) = 0;
virtual Glib::ustring get_name() const = 0;
/**
Gets the unique identifier (id) of this Policy.
\return The Policy id.
*/
int get_id() const;
/**
Tell if this policy is preemptible.
/**
Gets a string description of the policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return True if this policy is preemptible.
*/
virtual bool is_pre_emptive() const throw(UserInterruptException) = 0;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return String description of the policy.
*/
virtual Glib::ustring get_description() const = 0;
/**
Gets the time quantum for the policy.
virtual Glib::ustring get_name() const = 0;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return Time quantum for the policy.
*/
virtual int get_time_slice() const throw(UserInterruptException) = 0;
/**
Tell if this policy is preemptible.
/**
Tell what kind of entities are scheduled by this policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return True if this policy is preemptible.
*/
virtual bool is_pre_emptive() const throw(UserInterruptException) = 0;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return A SortsType value identifying the desired type for the objects
composing the queue passed to the sort_queue method.
*/
virtual policy_sorts_type wants() const throw(UserInterruptException) = 0;
/**
Gets the time quantum for the policy.
virtual void activate() = 0;
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return Time quantum for the policy.
*/
virtual int get_time_slice() const throw(UserInterruptException) = 0;
virtual void deactivate() = 0;
/**
Gets the parameters related with this policy.
/**
Tell what kind of entities are scheduled by this policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return The policy parameters.
*/
PolicyParameters& get_parameters();
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return A SortsType value identifying the desired type for the objects
composing the queue passed to the sort_queue method.
*/
virtual policy_sorts_type wants() const throw(UserInterruptException) = 0;
virtual void activate() = 0;
virtual void deactivate() = 0;
/**
Gets the parameters related with this policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return The policy parameters.
*/
PolicyParameters& get_parameters();
protected:
PolicyParameters _parameters;
int _id;
};
protected:
PolicyParameters _parameters;
int _id;
};
}//~ namespace sgpem

6
src/backend/policy_manager.cc
View File

@ -29,7 +29,7 @@ PolicyManager::PolicyManager()
{
//FIXME remove this when get_registered_manager is dropped
_registered = this;
PoliciesGatekeeper::get_instance().register_manager(this);
}
@ -39,11 +39,11 @@ PolicyManager::~PolicyManager()
// This check is necessary:
//FIXME remove this when get_registered_manager is dropped
if(_registered == this) _registered = NULL;
PoliciesGatekeeper::get_instance().unregister_manager(this);
}
PolicyManager&
PolicyManager&
PolicyManager::get_registered_manager()
{
return *_registered;

88
src/backend/policy_manager.hh
View File

@ -28,60 +28,60 @@
namespace sgpem
{
class PolicyManager;
class PolicyManager;
/**
PolicyManager is the Abstract Factory for \ref Policy objects.
*/
class SG_DLLEXPORT PolicyManager
{
public:
/** \brief PolicyManager constructor
*
* Saves ``this'' pointer into the _registered attribute, so it can access
* it when requested. This is done so that concrete subclasses can be defined
* even if they are found in external dynamic modules not known at compile time.
*
* For the moment, just an instance of PolicyManager can be saved. This will
* be expanded in next milestones.
*/
PolicyManager();
class SG_DLLEXPORT PolicyManager
{
public:
/** \brief PolicyManager constructor
*
* Saves ``this'' pointer into the _registered attribute, so it can access
* it when requested. This is done so that concrete subclasses can be defined
* even if they are found in external dynamic modules not known at compile time.
*
* For the moment, just an instance of PolicyManager can be saved. This will
* be expanded in next milestones.
*/
PolicyManager();
virtual ~PolicyManager() = 0;
virtual ~PolicyManager() = 0;
/**
Gets THE policy (the only today) used.
Next versions will implement some other kind.
\return A reference to the policy.
FIXME deprecated
*/
//virtual Policy& get_policy() = 0;
/**
Gets THE policy (the only today) used.
Next versions will implement some other kind.
\return A reference to the policy.
FIXME deprecated
*/
//virtual Policy& get_policy() = 0;
/**
Init (or reset if yet initialized) the manager.
FIXME deprecated
*/
virtual void init() = 0;
/**
Init (or reset if yet initialized) the manager.
FIXME deprecated
*/
virtual void init() = 0;
virtual std::vector<Policy*> get_avail_policies() = 0;
virtual std::vector<Policy*> get_avail_policies() = 0;
/** \brief Get the registered manager instance
* FIXME deprecated
*
* \return The registered policy manager instance.
*/
static PolicyManager& get_registered_manager();
/** \brief Get the registered manager instance
* FIXME deprecated
*
* \return The registered policy manager instance.
*/
static PolicyManager& get_registered_manager();
protected:
virtual void collect_policies() = 0;
std::vector<Policy*> _policies;
protected:
virtual void collect_policies() = 0;
std::vector<Policy*> _policies;
private:
/** A pointer to the registered instance */
static PolicyManager* _registered;
};
private:
/** A pointer to the registered instance */
static PolicyManager* _registered;
};
} //~ namespace sgpem
#endif

214
src/backend/policy_parameters.cc
View File

@ -24,198 +24,198 @@ using namespace sgpem;
using Glib::ustring;
/**
Register a new parameter of type integer.
If there is a parameter with the same name and type it will be overwritten.
Register a new parameter of type integer.
If there is a parameter with the same name and type it will be overwritten.
*/
void
PolicyParameters::register_int(Glib::ustring name,const int& lower_bound, const int& upper_bound, const bool& required, const int& default_value)
void
PolicyParameters::register_int(Glib::ustring name, const int& lower_bound, const int& upper_bound, const bool& required, const int& default_value)
{
//there is a parameter with the same name!!
map<ustring, Parameter<int> >::iterator i = int_map.find(name);
if (i != int_map.end())
int_map.erase(i);
map<ustring, Parameter<int> >::value_type v(name, Parameter<int>(name, default_value, lower_bound, upper_bound, required, default_value));
int_map.insert(v);
//there is a parameter with the same name!!
map<ustring, Parameter<int> >::iterator i = int_map.find(name);
if (i != int_map.end())
int_map.erase(i);
map<ustring, Parameter<int> >::value_type v(name, Parameter<int>(name, default_value, lower_bound, upper_bound, required, default_value));
int_map.insert(v);
}
/**
Register a new parameter of type float.
If there is a parameter with the same name and type it will be overwritten.
Register a new parameter of type float.
If there is a parameter with the same name and type it will be overwritten.
*/
void
PolicyParameters::register_float(Glib::ustring name,const float& lower_bound, const float& upper_bound, const bool& required, const float& default_value)
void
PolicyParameters::register_float(Glib::ustring name, const float& lower_bound, const float& upper_bound, const bool& required, const float& default_value)
{
//there is a parameter with the same name!!
map<ustring, Parameter<float> >::iterator i = float_map.find(name);
if (i != float_map.end())
float_map.erase(i);
map<ustring, Parameter<float> >::value_type v(name, Parameter<float>(name, default_value, lower_bound, upper_bound, required, default_value));
float_map.insert(v);
//there is a parameter with the same name!!
map<ustring, Parameter<float> >::iterator i = float_map.find(name);
if (i != float_map.end())
float_map.erase(i);
map<ustring, Parameter<float> >::value_type v(name, Parameter<float>(name, default_value, lower_bound, upper_bound, required, default_value));
float_map.insert(v);
}
/**
Register a new parameter of type string.
If there is a parameter with the same name and type it will be overwritten.
Register a new parameter of type string.
If there is a parameter with the same name and type it will be overwritten.
*/
void
void
PolicyParameters::register_string(Glib::ustring name, const bool& required, const Glib::ustring& default_value)
{
//there is a parameter with the same name!!
map<ustring, Parameter<Glib::ustring> >::iterator i = string_map.find(name);
if (i != string_map.end())
string_map.erase(i);
map<ustring, Parameter<Glib::ustring> >::value_type v(name, Parameter<Glib::ustring>(name, default_value, "", "", required, default_value));
string_map.insert(v);
//there is a parameter with the same name!!
map<ustring, Parameter<Glib::ustring> >::iterator i = string_map.find(name);
if (i != string_map.end())
string_map.erase(i);
map<ustring, Parameter<Glib::ustring> >::value_type v(name, Parameter<Glib::ustring>(name, default_value, "", "", required, default_value));
string_map.insert(v);
}
/**
Deletes all registred parameters.
Deletes all registred parameters.
*/
void
PolicyParameters::clear()
{
int_map.clear();
float_map.clear();
string_map.clear();
int_map.clear();
float_map.clear();
string_map.clear();
}
/**
Retruns a copy of the map containing all registered integer parameters.
Retruns a copy of the map containing all registered integer parameters.
*/
map<ustring, PolicyParameters::Parameter<int> >
PolicyParameters::get_registered_int_parameters() const
{
return int_map;
return int_map;
}
/**
Retruns a copy of the map containing all registered float parameters.
Retruns a copy of the map containing all registered float parameters.
*/
map<ustring, PolicyParameters::Parameter<float> >
PolicyParameters::get_registered_float_parameters() const
PolicyParameters::get_registered_float_parameters() const
{
return float_map;
return float_map;
}
/**
Retruns a copy of the map containing all registered string parameters.
Retruns a copy of the map containing all registered string parameters.
*/
map<ustring, PolicyParameters::Parameter<ustring> >
PolicyParameters::get_registered_string_parameters() const
{
return string_map;
return string_map;
}
/**
Tries to set the value to the parameter named "name".
\returns TRUE if the parameter named "name" has been previously registered and the value
stays in the range permitted by the parameter.
\returns FALSE in the other cases.
Tries to set the value to the parameter named "name".
\returns TRUE if the parameter named "name" has been previously registered and the value
stays in the range permitted by the parameter.
\returns FALSE in the other cases.
*/
bool
PolicyParameters::set_int(ustring name, const int& value)
{
map<ustring, Parameter<int> >::iterator i = int_map.find(name);
if (i == int_map.end())
//the parameter doesn't exist!!
return false;
if (value < i->second.get_lower_bound() || value > i->second.get_upper_bound())
return false;
i->second.set_value(value);
return true;
map<ustring, Parameter<int> >::iterator i = int_map.find(name);
if (i == int_map.end())
//the parameter doesn't exist!!
return false;
if (value < i->second.get_lower_bound() || value > i->second.get_upper_bound())
return false;
i->second.set_value(value);
return true;
}
/**
Tries to set the value to the parameter named "name".
\returns TRUE if the parameter named "name" has been previously registered and the value
stays in the range permitted by the parameter.
\returns FALSE in the other cases.
Tries to set the value to the parameter named "name".
\returns TRUE if the parameter named "name" has been previously registered and the value
stays in the range permitted by the parameter.
\returns FALSE in the other cases.
*/
bool
PolicyParameters::set_float(ustring name, const float& value)
{
map<ustring, Parameter<float> >::iterator i = float_map.find(name);
if (i == float_map.end())
//the parameter doesn't exist!!
return false;
if (value < i->second.get_lower_bound() || value > i->second.get_upper_bound())
return false;
i->second.set_value(value);
return true;
map<ustring, Parameter<float> >::iterator i = float_map.find(name);
if (i == float_map.end())
//the parameter doesn't exist!!
return false;
if (value < i->second.get_lower_bound() || value > i->second.get_upper_bound())
return false;
i->second.set_value(value);
return true;
}
/**
Tries to set the value to the parameter named "name". For the type "string" there are
no upper/lower bound limitations.
\returns TRUE if the parameter named "name" has been previously registered.
\returns FALSE in the other case.
Tries to set the value to the parameter named "name". For the type "string" there are
no upper/lower bound limitations.
\returns TRUE if the parameter named "name" has been previously registered.
\returns FALSE in the other case.
*/
bool
PolicyParameters::set_string(ustring name, const ustring& value)
{
map<ustring, Parameter<ustring> >::iterator i = string_map.find(name);
if (i == string_map.end())
//the parameter doesn't exist!!
return false;
i->second.set_value(value);
return true;
map<ustring, Parameter<ustring> >::iterator i = string_map.find(name);
if (i == string_map.end())
//the parameter doesn't exist!!
return false;
i->second.set_value(value);
return true;
}
/**
Looks for a parameter of integer type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
Looks for a parameter of integer type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
*/
int
PolicyParameters::get_int(ustring name) const
{
map<ustring, Parameter<int> >::const_iterator i = int_map.find(name);
if (i == int_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
map<ustring, Parameter<int> >::const_iterator i = int_map.find(name);
if (i == int_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
}
/**
Looks for a parameter of float type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
Looks for a parameter of float type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
*/
float
PolicyParameters::get_float(ustring name) const
{
map<ustring, Parameter<float> >::const_iterator i = float_map.find(name);
if (i == float_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
map<ustring, Parameter<float> >::const_iterator i = float_map.find(name);
if (i == float_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
}
/**
Looks for a parameter of string type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
Looks for a parameter of string type named "name".
\returns The value of the parameter
\throws A PolicyParametersException if the parameter has not been found.
*/
ustring
PolicyParameters::get_string(ustring name) const
{
map<ustring, Parameter<ustring> >::const_iterator i = string_map.find(name);
if (i == string_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
map<ustring, Parameter<ustring> >::const_iterator i = string_map.find(name);
if (i == string_map.end())
throw PolicyParametersException("Unregistred parameter");
else
return i->second.get_value();
}

323
src/backend/policy_parameters.hh
View File

@ -30,221 +30,220 @@
namespace sgpem
{
class PolicyParametersException : public std::runtime_error
{
public:
PolicyParametersException(char* msg): std::runtime_error(msg) {}
};
class PolicyParameters;
class PolicyParametersException : public std::runtime_error
{
public:
PolicyParametersException(char* msg): std::runtime_error(msg) {}};
class PolicyParameters;
/** \brief Represents all configurable parameters of a single scheduling policy.
Represents all configurable parameters of a single scheduling policy. Is is used by the user
interface: it serves to know which parameters the user will be asked for.
Each Policy object owns only one instance of this class.
Represents all configurable parameters of a single scheduling policy. Is is used by the user
interface: it serves to know which parameters the user will be asked for.
Each Policy object owns only one instance of this class.
*/
class SG_DLLEXPORT PolicyParameters
{
public:
template<typename T>
class Parameter;
class SG_DLLEXPORT PolicyParameters
{
public:
template<typename T>
class Parameter;
//#######################################
//########## methods to CREATE PARAMETERS
//#######################################
//#######################################
//########## methods to CREATE PARAMETERS
//#######################################
/**\brief Registers an INTEGER parameter.
/**\brief Registers an INTEGER parameter.
This method adds an INTEGER parameter to the list of parameters represented by this class.
This method adds an INTEGER parameter to the list of parameters represented by this class.
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_int(...), get_int(...) and get_registered_int_parameters(...).
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0).
*/
void register_int(Glib::ustring name,const int& lower_bound, const int& upper_bound, const bool& required, const int& default_value = 0);
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_int(...), get_int(...) and get_registered_int_parameters(...).
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0).
*/
void register_int(Glib::ustring name, const int& lower_bound, const int& upper_bound, const bool& required, const int& default_value = 0);
/**\brief Registers a FLOAT parameter.
/**\brief Registers a FLOAT parameter.
This method adds a FLOAT parameter to the list of parameters represented by this class.
This method adds a FLOAT parameter to the list of parameters represented by this class.
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_float(...), get_float(...) and get_registered_float_parameters(...).
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0.0f).
*/
void register_float(Glib::ustring name,const float& lower_bound, const float& upper_bound, const bool& required, const float& default_value = 0.0f);
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_float(...), get_float(...) and get_registered_float_parameters(...).
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0.0f).
*/
void register_float(Glib::ustring name, const float& lower_bound, const float& upper_bound, const bool& required, const float& default_value = 0.0f);
/**\brief Registers a STRING parameter.
/**\brief Registers a STRING parameter.
This method adds a STRING parameter to the list of parameters represented by this class.
Note that there are no limitations to the value thath this parameter can assume.
This method adds a STRING parameter to the list of parameters represented by this class.
Note that there are no limitations to the value thath this parameter can assume.
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_string(...), get_string(...) and get_registered_string_parameters(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to the empty string).
*/
void register_string(Glib::ustring name, const bool& required, const Glib::ustring& default_value = "");
\warning If a parameter named \e name already exists it will be replaced by this one.
\param name The name of the parameter. This string will be used to refer to this parameter
in the methods set_string(...), get_string(...) and get_registered_string_parameters(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to the empty string).
*/
void register_string(Glib::ustring name, const bool& required, const Glib::ustring& default_value = "");
/**\brief Deletes all registered parameters.
*/
void clear();
/**\brief Deletes all registered parameters.
*/
void clear();
//#############################################
//###### methods to RETRIEVE CREATED PARAMETERS
//#############################################
//#############################################
//###### methods to RETRIEVE CREATED PARAMETERS
//#############################################
/** \brief Permits to retrieve all registered INTEGER parameters
\returns a map of INTEGER parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<int> > get_registered_int_parameters() const;
/** \brief Permits to retrieve all registered INTEGER parameters
\returns a map of INTEGER parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<int> > get_registered_int_parameters() const;
/** \brief Permits to retrieve all registered FLOAT parameters
\returns a map of FLOAT parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<float> > get_registered_float_parameters() const;
/** \brief Permits to retrieve all registered FLOAT parameters
\returns a map of FLOAT parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<float> > get_registered_float_parameters() const;
/** \brief Permits to retrieve all registered STRING parameters
\returns a map of STRING parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<Glib::ustring> > get_registered_string_parameters() const;
/** \brief Permits to retrieve all registered STRING parameters
\returns a map of STRING parameters identfied by their name
*/
std::map<Glib::ustring, Parameter<Glib::ustring> > get_registered_string_parameters() const;
//#############################################
//###### methods to SET the VALUE of PARAMETERS
//#############################################
//#############################################
//###### methods to SET the VALUE of PARAMETERS
//#############################################
/** \brief Sets the value of a registred INTEGER parameter
/** \brief Sets the value of a registred INTEGER parameter
Permits to change the value of a parameter identified by "name"
Permits to change the value of a parameter identified by "name"
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_int(Glib::ustring name, const int& value);
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_int(Glib::ustring name, const int& value);
/** \brief Sets the value of a registred FLOAT parameter
/** \brief Sets the value of a registred FLOAT parameter
Permits to change the value of a parameter identified by "name"
Permits to change the value of a parameter identified by "name"
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_float(Glib::ustring name, const float& value);
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_float(Glib::ustring name, const float& value);
/** \brief Sets the value of a registred STRING parameter
/** \brief Sets the value of a registred STRING parameter
Permits to change the value of a parameter identified by "name"
Permits to change the value of a parameter identified by "name"
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_string(Glib::ustring name, const Glib::ustring& value);
\returns TRUE if the specified "name" maps to a registered parameter and if "value" doesn't
exceed the bounds proper to that parameter
\returns FALSE if the parameter named "name" is not found or if "value" exceeds the bounds
*/
bool set_string(Glib::ustring name, const Glib::ustring& value);
//#############################################
//###### methods to GET the VALUE of PARAMETERS
//#############################################
//#############################################
//###### methods to GET the VALUE of PARAMETERS
//#############################################
/** \brief Returns the value of an INTEGER parameter
\returns the INTEGER value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
int get_int(Glib::ustring name) const;
/** \brief Returns the value of an INTEGER parameter
\returns the INTEGER value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
int get_int(Glib::ustring name) const;
/** \brief Returns the value of an FLOAT parameter
\returns the FLOAT value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
float get_float(Glib::ustring name) const;
/** \brief Returns the value of an FLOAT parameter
\returns the FLOAT value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
float get_float(Glib::ustring name) const;
/** \brief Returns the value of an STRING parameter
\returns the STRING value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
Glib::ustring get_string(Glib::ustring name) const;
/** \brief Returns the value of an STRING parameter
\returns the STRING value of the parameter named \e name
\throws PolicyParametersException if the parameter named \e name has not been registered
*/
Glib::ustring get_string(Glib::ustring name) const;
private:
std::map<Glib::ustring, Parameter<int> > int_map;
std::map<Glib::ustring, Parameter<float> > float_map;
std::map<Glib::ustring, Parameter<Glib::ustring> > string_map;
};
private:
std::map<Glib::ustring, Parameter<int> > int_map;
std::map<Glib::ustring, Parameter<float> > float_map;
std::map<Glib::ustring, Parameter<Glib::ustring> > string_map;
};
/** \brief This class represents a sigle parameter of type \c T
/** \brief This class represents a sigle parameter of type \c T
This class is useful only to store informations about each parameter. No checks
on the values entered are done.
*/
template<typename T>
class PolicyParameters::Parameter
{
public:
This class is useful only to store informations about each parameter. No checks
on the values entered are done.
*/
template<typename T>
class PolicyParameters::Parameter
{
public:
/** \brief Constructs the parameter
\param name The name of the parameter. This string will be used to refer to this parameter, thus it MUST
be uniqe (one string identifies \b only ONE parameter)
\param value The initial value of this parameter
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0).
*/
Parameter(Glib::ustring name, const T& value, const T& lower_bound, const T& upper_bound, const bool& required, const T& default_value = 0);
/** \brief Constructs the parameter
\param name The name of the parameter. This string will be used to refer to this parameter, thus it MUST
be uniqe (one string identifies \b only ONE parameter)
\param value The initial value of this parameter
\param lower_bound The lower limitation of the value which can be set with set_int(...).
\param upper_bound The upper limitation of the value which can be set with set_int(...).
\param required Denotes if this parameter is required by the policy.
\param default_value The initial value of this parameter. (If not specified it's set to 0).
*/
Parameter(Glib::ustring name, const T& value, const T& lower_bound, const T& upper_bound, const bool& required, const T& default_value = 0);
/** \returns The name of the parameter (its UNIQUE key)
*/
Glib::ustring get_name() const;
/** \returns The name of the parameter (its UNIQUE key)
*/
Glib::ustring get_name() const;
/** \returns The lower bound
*/
T get_lower_bound() const;
/** \returns The lower bound
*/
T get_lower_bound() const;
/** \returns The upper bound
*/
T get_upper_bound() const;
/** \returns The upper bound
*/
T get_upper_bound() const;
/** \returns TRUE if this parameter is required
*/
bool is_required() const;
/** \returns TRUE if this parameter is required
*/
bool is_required() const;
/** \returns Its default value
*/
T get_default() const;
/** \returns Its default value
*/
T get_default() const;
/** \returns Its actual value
*/
T get_value() const;
/** \returns Its actual value
*/
T get_value() const;
/** \brief Changes the value of the parameter.
\warning NO CHECK is done whether the value repects its bounds!!
*/
void set_value(const T&);
/** \brief Changes the value of the parameter.
\warning NO CHECK is done whether the value repects its bounds!!
*/
void set_value(const T&);
private:
Glib::ustring _name;
T _value;
T _lower_bound;
T _upper_bound;
bool _is_required;
T _default;
};
private:
Glib::ustring _name;
T _value;
T _lower_bound;
T _upper_bound;
bool _is_required;
T _default;
};
}//~ namespace sgpem

3
src/backend/process.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
Process::~Process()
{
}
{}

4
src/backend/process.hh
View File

@ -33,7 +33,7 @@ namespace sgpem
class Thread;
class SerializeVisitor;
class SG_DLLEXPORT Process : public virtual Schedulable
class SG_DLLEXPORT Process : public virtual Schedulable
{
public:
virtual ~Process();
@ -41,7 +41,7 @@ namespace sgpem
virtual std::vector<Thread*> get_threads() = 0;
virtual void serialize(SerializeVisitor& translator) const = 0;
};
}
#endif

3
src/backend/request.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
Request::~Request()
{
}
{}

10
src/backend/request.hh
View File

@ -29,7 +29,7 @@ namespace sgpem
class Request;
class SerializeVisitor;
class SubRequest;
class SG_DLLEXPORT Request
{
public:
@ -38,16 +38,16 @@ namespace sgpem
state_ready,
state_allocated
};
virtual ~Request();
virtual std::vector<SubRequest*> get_subrequests() = 0;
virtual unsigned int get_instant() const = 0;
virtual state get_current_state() const = 0;
virtual void serialize(SerializeVisitor& translator) const = 0;
};
}
#endif

3
src/backend/resource.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
Resource::~Resource()
{
}
{}

6
src/backend/resource.hh
View File

@ -28,18 +28,18 @@ namespace sgpem
{
class Resource;
class SerializeVisitor;
class SG_DLLEXPORT Resource
{
public:
virtual ~Resource();
virtual Glib::ustring get_name() const = 0;
virtual unsigned int get_places() const = 0;
virtual void serialize(SerializeVisitor& translator) const = 0;
};
}
#endif

3
src/backend/schedulable.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
Schedulable::~Schedulable()
{
}
{}

14
src/backend/schedulable.hh
View File

@ -41,15 +41,15 @@ namespace sgpem
*/
enum state
{
state_running = 1<<0,
state_ready = 1<<1,
state_blocked = 1<<2,
state_future = 1<<3,
state_terminated = 1<<4
state_running = 1 << 0,
state_ready = 1 << 1,
state_blocked = 1 << 2,
state_future = 1 << 3,
state_terminated = 1 << 4
};
virtual ~Schedulable() = 0;
virtual Glib::ustring get_name() const = 0;
virtual unsigned int get_arrival_time() const = 0;

177
src/backend/schedulable_queue.cc
View File

@ -27,128 +27,127 @@ using namespace std;
using namespace memory;
SchedulableQueue::SchedulableQueue()
{
}
{}
DynamicSchedulable*
SchedulableQueue::top()
{
if (_list.size() == 0)
return NULL;
return &_list.front();
if (_list.size() == 0)
return NULL;
return &_list.front();
}
DynamicSchedulable*
SchedulableQueue::bottom()
{
if (_list.size() == 0)
return NULL;
return &_list.back();
if (_list.size() == 0)
return NULL;
return &_list.back();
}
/**
Returns a pointer to the element at position "where". If the queue is empty or "where" is
out of rangethe NULL pointer will be returned.
DON'T call delete on the returned pointer! Its destruction is managed by the queue.
Returns a pointer to the element at position "where". If the queue is empty or "where" is
out of rangethe NULL pointer will be returned.
DON'T call delete on the returned pointer! Its destruction is managed by the queue.
*/
DynamicSchedulable*
SchedulableQueue::get_item_at(const uint& where)
{
if (_list.size() == 0 || where >= _list.size())
return NULL;
if (_list.size() == 0 || where >= _list.size())
return NULL;
list<DynamicSchedulable>::iterator i = _list.begin();
for (uint f=0; f < where; f++)
i++;
return &(*i);
list<DynamicSchedulable>::iterator i = _list.begin();
for (uint f = 0; f < where; f++)
i++;
return &(*i);
}
const DynamicSchedulable*
SchedulableQueue::get_item_at(const uint& where) const
{
if (_list.size() == 0 || where >= _list.size())
return NULL;
if (_list.size() == 0 || where >= _list.size())
return NULL;
list<DynamicSchedulable>::const_iterator i = _list.begin();
for (uint f=0; f < where; f++)
i++;
return &(*i);
list<DynamicSchedulable>::const_iterator i = _list.begin();
for (uint f = 0; f < where; f++)
i++;
return &(*i);
}
/**
Returns the number of elements inserted into the queue.
Returns the number of elements inserted into the queue.
*/
uint
SchedulableQueue::size() const
{
return _list.size();
return _list.size();
}
void
SchedulableQueue::add_at_top(const DynamicSchedulable& ss)
{
_list.push_front(ss);
_list.push_front(ss);
}
void
SchedulableQueue::add_at_bottom(const DynamicSchedulable& ss)
{
_list.push_back(ss);
_list.push_back(ss);
}
smart_ptr<DynamicSchedulable>
SchedulableQueue::remove(const uint& position)
{
if (_list.size() == 0 || position >= _list.size())
return smart_ptr<DynamicSchedulable>(NULL);
if (_list.size() == 0 || position >= _list.size())
return smart_ptr<DynamicSchedulable>(NULL);
//creates a copy of the first element
smart_ptr<DynamicSchedulable> sm = new DynamicSchedulable(*top());
//pops the first element
_list.pop_front();
//returns the copy
return sm;
//creates a copy of the first element
smart_ptr<DynamicSchedulable> sm = new DynamicSchedulable(*top());
//pops the first element
_list.pop_front();
//returns the copy
return sm;
}
/**
*/
bool
SchedulableQueue::insert_at(const uint& which, const uint& where)
{
//out of range
if (which >= _list.size() || where >= _list.size())
return false;
//nothing to do
if (where == which)
return true;
//out of range
if (which >= _list.size() || where >= _list.size())
return false;
//nothing to do
if (where == which)
return true;
list<DynamicSchedulable>::iterator i_where = _list.begin();
list<DynamicSchedulable>::iterator i_which = _list.begin();
for (uint f=0; f < where; f++)
i_where++;
for (uint f=0; f < which; f++)
i_which++;
list<DynamicSchedulable>::iterator i_where = _list.begin();
list<DynamicSchedulable>::iterator i_which = _list.begin();
for (uint f = 0; f < where; f++)
i_where++;
for (uint f = 0; f < which; f++)
i_which++;
//save and pop WHICH
DynamicSchedulable temp = *i_which;
_list.erase(i_which);
//save and pop WHICH
DynamicSchedulable temp = *i_which;
_list.erase(i_which);
//insert WHICH before WHERE
_list.insert(i_where, temp);
//insert WHICH before WHERE
_list.insert(i_where, temp);
return true;
return true;
}
/**
Removes all elements
Removes all elements
*/
void
SchedulableQueue::clear()
{
_list.clear();
_list.clear();
}
@ -158,7 +157,7 @@ SchedulableQueue::clear()
bool
SchedulableQueue::operator==(const SchedulableQueue& dx) const
{
return _list == dx._list;
return _list == dx._list;
}
@ -168,49 +167,49 @@ SchedulableQueue::operator==(const SchedulableQueue& dx) const
bool
SchedulableQueue::has_same_objects(const SchedulableQueue& dx) const
{
if (_list.size() != dx._list.size())
return false;
if (_list.size() != dx._list.size())
return false;
//check if dx has ALL and ONLY the elements holded by _list with no order importance
for(list<DynamicSchedulable>::const_iterator f=_list.begin(); f != _list.end(); f++)
if (find(dx._list.begin(), dx._list.end(), *f) == dx._list.end()) //element NOT found!!
return false;
for(list<DynamicSchedulable>::const_iterator f = _list.begin(); f != _list.end(); f++)
if (find(dx._list.begin(), dx._list.end(), *f) == dx._list.end()) //element NOT found!!
return false;
return true;
return true;
}
void
SchedulableQueue::swap(unsigned int positionA, unsigned int positionB) throw()
{
if (positionA == positionB || positionA >= _list.size() || positionB >= _list.size())
return;
if (positionA == positionB || positionA >= _list.size() || positionB >= _list.size())
return;
unsigned int min, max;
if (positionA < positionB)
{
min = positionA;
max = positionB;
}
else
{
min = positionB;
max = positionA;
}
unsigned int min, max;
if (positionA < positionB)
{
min = positionA;
max = positionB;
}
else
{
min = positionB;
max = positionA;
}
list<DynamicSchedulable>::iterator i1 = _list.begin();
list<DynamicSchedulable>::iterator i2 = _list.begin();
list<DynamicSchedulable>::iterator i1 = _list.begin();
list<DynamicSchedulable>::iterator i2 = _list.begin();
//reach the first element;
for (uint f=0; f < min; f++)
i1++;
DynamicSchedulable temp = *i1;
//reach the first element;
for (uint f = 0; f < min; f++)
i1++;
DynamicSchedulable temp = *i1;
//reach the second element;
i2 = i1;
for (uint f=min; f < max; f++)
i2++;
//reach the second element;
i2 = i1;
for (uint f = min; f < max; f++)
i2++;
*i1 = *i2;
*i2 = temp;
*i1 = *i2;
*i2 = temp;
}

16
src/backend/schedulable_queue.hh
View File

@ -63,13 +63,13 @@ namespace sgpem
void add_at_bottom(const DynamicSchedulable&);
/** \brief Removes */
/**
Removes an element from the list. Returns a smart pointer a copy of it or to NULL if
"position" is out of range.
Ex. remove(0); removes the top of the list
Ex. remove(size()-1) removes the bottom of the list
*/
/**
Removes an element from the list. Returns a smart pointer a copy of it or to NULL if
"position" is out of range.
Ex. remove(0); removes the top of the list
Ex. remove(size()-1) removes the bottom of the list
*/
memory::smart_ptr<sgpem::DynamicSchedulable> remove(const unsigned int& position);
bool insert_at(const unsigned int&, const unsigned int&);
@ -92,7 +92,7 @@ namespace sgpem
* \param positionA The position of the first element to swap
* \param positionB The position of the second element to swap
*/
void swap(unsigned int positionA, unsigned int positionB) throw();
void swap(unsigned int positionA, unsigned int positionB) throw();
private:
std::list<DynamicSchedulable> _list;

272
src/backend/scheduler.cc
View File

@ -37,29 +37,29 @@ template class SG_DLLEXPORT Singleton<Scheduler>;
//private constructor. The parameter is discarded
Scheduler::Scheduler()
: _policy_manager(PolicyManager::get_registered_manager())
: _policy_manager(PolicyManager::get_registered_manager())
{
_policy_manager.init();
}
SchedulableQueue*
SchedulableQueue*
Scheduler::get_ready_queue()
{
// FIXME return the correct queue accordingly to the value returned by Policy::wants()
return &_ready_queue;
return &_ready_queue;
}
/** \note E' fondamentale che questo metodo memorizzi localmente qualora la politica
attuale sia a prerilascio o meno, e la durata del quanto di tempo, in quanto la politica
e' libera di variare questi parametri a piacere durante l'esecuzione della simulazione
/** \note E' fondamentale che questo metodo memorizzi localmente qualora la politica
attuale sia a prerilascio o meno, e la durata del quanto di tempo, in quanto la politica
e' libera di variare questi parametri a piacere durante l'esecuzione della simulazione
*/
void
Scheduler::reset_status()
{
_ready_queue.clear();
History::get_instance().truncate_at(0);
// restore the policy
_ready_queue.clear();
History::get_instance().truncate_at(0);
// restore the policy
}
/* void
@ -80,134 +80,134 @@ Scheduler::get_policy()
void
Scheduler::step_forward() throw(UserInterruptException)
{
try
try
{
Policy& policy = get_policy();
History& h = History::get_instance();
//******************
//check for arrivals and prepare the queue
//******************
smart_ptr<SchedulableQueue> initial = h.get_simulation_status_at(h.get_current_time());
if (!initial)
{
Policy& policy = get_policy();
History& h = History::get_instance();
//******************
//check for arrivals and prepare the queue
//******************
smart_ptr<SchedulableQueue> initial = h.get_simulation_status_at(h.get_current_time());
if (!initial)
{
cout << _("\nNo initial state inserted!!\n");
return;
}
_ready_queue.clear();
//adds running schedulable
smart_ptr<DynamicSchedulable> running_ptr = h.get_scheduled_at(h.get_current_time());
if (running_ptr)
_ready_queue.add_at_top(*running_ptr);
//adds the READY ones
for(uint rea=0; rea < initial->size(); rea++)
if (initial->get_item_at(rea)->get_state() == DynamicSchedulable::state_ready)
_ready_queue.add_at_bottom(*initial->get_item_at(rea));
//adds each new ready schedulable and sorts the queue
for(uint i=0; i < initial->size(); i++)
if (initial->get_item_at(i)->get_state() == DynamicSchedulable::state_future
&& (int)initial->get_item_at(i)->get_schedulable()->get_arrival_time() == h.get_current_time())
{
//cout << "\nnuovo running: " << initial->get_item_at(i)->get_schedulable()->get_name();
//restore the old running schedulable
if (policy.is_pre_emptive() == false && running_ptr)
_ready_queue.remove(0);
//adds the NEW one
_ready_queue.add_at_bottom(*initial->get_item_at(i));
_ready_queue.get_item_at(_ready_queue.size()-1)->set_state(DynamicSchedulable::state_ready);
initial->get_item_at(i)->set_state(DynamicSchedulable::state_ready);
// Sort the queue
policy.sort_queue();
//restore the old running schedulable
if (policy.is_pre_emptive() == false && running_ptr)
_ready_queue.add_at_top(*running_ptr);
}
//****************
// Check for termination
//****************
if (running_ptr && running_ptr->get_cpu_time_left() == 0)
{
//there is a running schedulable and it's terminated. Append at the bottom with the state TERMINATED
for(uint i=0; i < _ready_queue.size(); i++)
if (*_ready_queue.get_item_at(i) == *running_ptr)
{
_ready_queue.add_at_bottom(*_ready_queue.get_item_at(i));
_ready_queue.remove(i);
_ready_queue.get_item_at(_ready_queue.size()-1)->set_state(DynamicSchedulable::state_terminated);
break;
}
//cout << "\nTERMINATO!!";
running_ptr = NULL;
//IF _ready_queue.size() == 0 sort_queue(...) is called but has no effect!!
policy.sort_queue();
}
//*****************
// Check for time slice
//*****************
if (policy.get_time_slice() != numeric_limits<int>::max()) //time-slice
policy.sort_queue();
//******************
// Create the final list of schedulable
//******************
if (_ready_queue.size() != 0 && (_ready_queue.get_item_at(0)->get_state() == DynamicSchedulable::state_ready
|| _ready_queue.get_item_at(0)->get_state() == DynamicSchedulable::state_running))
{
//the first ready element IS the running one (if != *running_ptr then there is a CONTEXT SWICH)
_ready_queue.get_item_at(0)->set_state(DynamicSchedulable::state_running);
_ready_queue.get_item_at(0)->give_cpu_time(1);
}
//all the others are ready
for (uint i = 1; i < _ready_queue.size(); i++)
if (_ready_queue.get_item_at(i)->get_state() == DynamicSchedulable::state_running)
_ready_queue.get_item_at(i)->set_state(DynamicSchedulable::state_ready);
//append blocked, future, and terminated schedulables
for (uint i = 0; i < initial->size(); i++)
if(initial->get_item_at(i)->get_state() == DynamicSchedulable::state_blocked
|| initial->get_item_at(i)->get_state() == DynamicSchedulable::state_future
|| initial->get_item_at(i)->get_state() == DynamicSchedulable::state_terminated)
_ready_queue.add_at_bottom(*initial->get_item_at(i));
cout << "\n";
/* for (uint i = 0; i < _ready_queue.size(); i++)
cout << " " << _ready_queue.get_item_at(i)->get_schedulable()->get_name()
<<"_" << _ready_queue.get_item_at(i)->get_state();
*/
h.enqueue_slice(_ready_queue);
}
catch( UserInterruptException e )
{
_policy_manager.init();
throw;
//TODO Do we need to perform some cleanup operation here?
// Do we need to update something?
// https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1165761&group_id=5470
// maybe it's that??? oh, damn.
// or maybe not. see http://www.python.org/doc/2.4.2/api/initialization.html
// Tell:
// - the user that the policy sucks
// - SimulationController that everything stopped
cout << _("\nNo initial state inserted!!\n");
return;
}
_ready_queue.clear();
//adds running schedulable
smart_ptr<DynamicSchedulable> running_ptr = h.get_scheduled_at(h.get_current_time());
if (running_ptr)
_ready_queue.add_at_top(*running_ptr);
//adds the READY ones
for(uint rea = 0; rea < initial->size(); rea++)
if (initial->get_item_at(rea)->get_state() == DynamicSchedulable::state_ready)
_ready_queue.add_at_bottom(*initial->get_item_at(rea));
//adds each new ready schedulable and sorts the queue
for(uint i = 0; i < initial->size(); i++)
if (initial->get_item_at(i)->get_state() == DynamicSchedulable::state_future
&& (int)initial->get_item_at(i)->get_schedulable()->get_arrival_time() == h.get_current_time())
{
//cout << "\nnuovo running: " << initial->get_item_at(i)->get_schedulable()->get_name();
//restore the old running schedulable
if (policy.is_pre_emptive() == false && running_ptr)
_ready_queue.remove(0);
//adds the NEW one
_ready_queue.add_at_bottom(*initial->get_item_at(i));
_ready_queue.get_item_at(_ready_queue.size() - 1)->set_state(DynamicSchedulable::state_ready);
initial->get_item_at(i)->set_state(DynamicSchedulable::state_ready);
// Sort the queue
policy.sort_queue();
//restore the old running schedulable
if (policy.is_pre_emptive() == false && running_ptr)
_ready_queue.add_at_top(*running_ptr);
}
//****************
// Check for termination
//****************
if (running_ptr && running_ptr->get_cpu_time_left() == 0)
{
//there is a running schedulable and it's terminated. Append at the bottom with the state TERMINATED
for(uint i = 0; i < _ready_queue.size(); i++)
if (*_ready_queue.get_item_at(i) == *running_ptr)
{
_ready_queue.add_at_bottom(*_ready_queue.get_item_at(i));
_ready_queue.remove(i);
_ready_queue.get_item_at(_ready_queue.size() - 1)->set_state(DynamicSchedulable::state_terminated);
break;
}
//cout << "\nTERMINATO!!";
running_ptr = NULL;
//IF _ready_queue.size() == 0 sort_queue(...) is called but has no effect!!
policy.sort_queue();
}
//*****************
// Check for time slice
//*****************
if (policy.get_time_slice() != numeric_limits<int>::max()) //time-slice
policy.sort_queue();
//******************
// Create the final list of schedulable
//******************
if (_ready_queue.size() != 0 && (_ready_queue.get_item_at(0)->get_state() == DynamicSchedulable::state_ready
|| _ready_queue.get_item_at(0)->get_state() == DynamicSchedulable::state_running))
{
//the first ready element IS the running one (if != *running_ptr then there is a CONTEXT SWICH)
_ready_queue.get_item_at(0)->set_state(DynamicSchedulable::state_running);
_ready_queue.get_item_at(0)->give_cpu_time(1);
}
//all the others are ready
for (uint i = 1; i < _ready_queue.size(); i++)
if (_ready_queue.get_item_at(i)->get_state() == DynamicSchedulable::state_running)
_ready_queue.get_item_at(i)->set_state(DynamicSchedulable::state_ready);
//append blocked, future, and terminated schedulables
for (uint i = 0; i < initial->size(); i++)
if(initial->get_item_at(i)->get_state() == DynamicSchedulable::state_blocked
|| initial->get_item_at(i)->get_state() == DynamicSchedulable::state_future
|| initial->get_item_at(i)->get_state() == DynamicSchedulable::state_terminated)
_ready_queue.add_at_bottom(*initial->get_item_at(i));
cout << "\n";
/* for (uint i = 0; i < _ready_queue.size(); i++)
cout << " " << _ready_queue.get_item_at(i)->get_schedulable()->get_name()
<<"_" << _ready_queue.get_item_at(i)->get_state();
*/
h.enqueue_slice(_ready_queue);
}
catch( UserInterruptException e )
{
_policy_manager.init();
throw;
//TODO Do we need to perform some cleanup operation here?
// Do we need to update something?
// https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1165761&group_id=5470
// maybe it's that??? oh, damn.
// or maybe not. see http://www.python.org/doc/2.4.2/api/initialization.html
// Tell:
// - the user that the policy sucks
// - SimulationController that everything stopped
}
}

34
src/backend/scheduler.hh
View File

@ -44,15 +44,15 @@ namespace sgpem
{
class Scheduler;
/** \brief Manages the DynamicSchedulable objects, implementing a given policy.
Class Scheduler manages the schedulable entities which are ready to run,
ordering them in a queue; it also checks that the current scheduling policy
is well-defined and does not disrupt the application inner mechanism.
It is also responsible for the creation and the destruction of some of
the DynamicSchedulable objects (for further details about this, check
class DynamicSchedulable).
/** \brief Manages the DynamicSchedulable objects, implementing a given policy.
Class Scheduler manages the schedulable entities which are ready to run,
ordering them in a queue; it also checks that the current scheduling policy
is well-defined and does not disrupt the application inner mechanism.
It is also responsible for the creation and the destruction of some of
the DynamicSchedulable objects (for further details about this, check
class DynamicSchedulable).
*/
class SG_DLLEXPORT Scheduler : public Singleton<Scheduler>
@ -65,34 +65,34 @@ namespace sgpem
\return a pointer to the queue containing all the ready
schedulable objects (for the policy to sort it).
*/
SchedulableQueue* get_ready_queue();
SchedulableQueue* get_ready_queue();
/**
Resets the simulation to the initial state.
*/
void reset_status();
void reset_status();
/**
Generates a new SchedulableQueue representing the status of the processes
at the simulation instant next to the current one, and extends the History by
one instant with it.
*/
void step_forward() throw(UserInterruptException);
void step_forward() throw(UserInterruptException);
/**
Sets the policy that will be used to generate the simulation at the next instant.
\param policy the policy that will be used to generate the simulation at the next instant.
*/
/* DISABLED until we don't have PolicyManager::set_policy()
void set_policy(Policy* policy);
void set_policy(Policy* policy);
*/
/**
Returns the policy that will be used to generate the simulation at the next instant.
\return the policy that will be used to generate the simulation at the next instant.
*/
Policy& get_policy();
Policy& get_policy();
private:
Scheduler(); //private constructor.
SchedulableQueue _ready_queue;
PolicyManager& _policy_manager;
Scheduler(); //private constructor.
SchedulableQueue _ready_queue;
PolicyManager& _policy_manager;
};
}//~ namespace sgpem

7
src/backend/slice.cc
View File

@ -24,9 +24,8 @@ using namespace std;
Slice::Slice(const int& start, const int& duration, const SchedulableQueue& status)
: _ref(status), _started_at(start), _duration(duration)
{
}
: _ref(status), _started_at(start), _duration(duration)
{}
const SchedulableQueue*
Slice::get_simulation_status() const
@ -46,7 +45,7 @@ Slice::get_duration() const
return _duration;
}
void
void
Slice::set_duration(const int& i)
{
_duration = i;

68
src/backend/slice.hh
View File

@ -30,52 +30,52 @@ namespace sgpem
class Slice;
/** \brief Represents a slice of time during which some characteristic of the state of the simulation are constant
Represents a slice of time during which some characteristic of the state of the simulation are constant.
It holds a \ref SimulationStatus object which can be accessed through getSimulationStatus()
*/
class SG_DLLEXPORT Slice
{
public:
/**
Constructor for Slice.
\param start The Slice's starting time.
\param duration Time length of Slice.
\param status Photoshot of all \ref Schedulable during this Slice.
*/
Slice(const int& start, const int& duration, const SchedulableQueue& status);
/**
Constructor for Slice.
\param start The Slice's starting time.
\param duration Time length of Slice.
\param status Photoshot of all \ref Schedulable during this Slice.
*/
Slice(const int& start, const int& duration, const SchedulableQueue& status);
/**
Gets a constant reference to the \ref SchedulableQueue object for this Slice.
\return The reference (constant) to the SchedulableQueue object for this Slice.
*/
const SchedulableQueue* get_simulation_status() const;
/**
Gets a constant reference to the \ref SchedulableQueue object for this Slice.
\return The reference (constant) to the SchedulableQueue object for this Slice.
*/
const SchedulableQueue* get_simulation_status() const;
/**
Gets starting time of this Slice.
\return The starting time.
*/
int get_started_at() const;
/**
Gets starting time of this Slice.
\return The starting time.
*/
int get_started_at() const;
/**
Gets duration of this Slice.
\return The duration time.
*/
int get_duration() const;
/**
Gets duration of this Slice.
\return The duration time.
*/
int get_duration() const;
/**
Sets duration of this Slice.
\param duration The desired duration time.
*/
void set_duration(const int& duration);
/**
Sets duration of this Slice.
\param duration The desired duration time.
*/
void set_duration(const int& duration);
private:
SchedulableQueue _ref;
int _started_at;
int _duration;
SchedulableQueue _ref;
int _started_at;
int _duration;
};
} //~ namespace sgpem

10
src/backend/static_process.cc
View File

@ -23,15 +23,13 @@ using namespace sgpem;
StaticProcess::StaticProcess(const Glib::ustring& name, const unsigned int& arrival, const unsigned int& total, const int& priority)
: StaticSchedulable(name, arrival, total, priority)
{
}
: StaticSchedulable(name, arrival, total, priority)
{}
StaticProcess::~StaticProcess()
{
}
{}
Glib::ustring
Glib::ustring
StaticProcess::get_type() const
{
return "StaticProcess";

10
src/backend/static_process.hh
View File

@ -32,10 +32,10 @@ namespace sgpem
class StaticProcess;
/** \brief Represents a program in execution.
It IS a Schedulable object.
*/
class SG_DLLEXPORT StaticProcess : public StaticSchedulable
class SG_DLLEXPORT StaticProcess : public StaticSchedulable
{
public:
/** \brief Creates a new object with the given parameters. */
@ -43,11 +43,11 @@ namespace sgpem
/** \brief Destructor. */
~StaticProcess();
/** \brief Returns a string describing the type of the object. */
Glib::ustring get_type() const;
Glib::ustring get_type() const;
private:
};
}
#endif

8
src/backend/static_request.cc
View File

@ -23,20 +23,20 @@
using namespace sgpem;
StaticRequest::StaticRequest(StaticThread* thread,
StaticRequest::StaticRequest(StaticThread* thread,
unsigned int instant) :
_thread(thread), _instant(instant)
_thread(thread), _instant(instant)
{
assert(thread != NULL);
}
unsigned int
unsigned int
StaticRequest::get_instant() const
{
return _instant;
}
StaticThread&
StaticThread&
StaticRequest::get_thread()
{
return *_thread;

8
src/backend/static_request.hh
View File

@ -29,22 +29,22 @@ namespace sgpem
class StaticRequest;
class SerializeVisitor;
class StaticThread;
class StaticRequest
{
public:
StaticRequest(StaticThread* thread, unsigned int instant);
unsigned int get_instant() const;
StaticThread& get_thread();
private:
StaticRequest(const StaticRequest&);
StaticThread* _thread;
unsigned int _instant;
};
}
#endif

13
src/backend/static_resource.cc
View File

@ -22,19 +22,18 @@
using namespace sgpem;
StaticResource::StaticResource(const Glib::ustring& name,
StaticResource::StaticResource(const Glib::ustring& name,
unsigned int places) :
_name(name), _places(places)
{
}
Glib::ustring
_name(name), _places(places)
{}
Glib::ustring
StaticResource::get_name() const
{
return _name;
}
unsigned int
unsigned int
StaticResource::get_places() const
{
return _places;

6
src/backend/static_resource.hh
View File

@ -28,12 +28,12 @@ namespace sgpem
{
class StaticResource;
class SerializeVisitor;
class StaticResource
{
public:
StaticResource(const Glib::ustring& name, unsigned int places = 1);
Glib::ustring get_name() const;
unsigned int get_places() const;
@ -43,7 +43,7 @@ namespace sgpem
Glib::ustring _name;
unsigned int _places;
};
}
#endif

18
src/backend/static_schedulable.cc
View File

@ -23,16 +23,14 @@
using namespace sgpem;
StaticSchedulable::StaticSchedulable(const Glib::ustring& name,
const unsigned int& arrival,
const unsigned int& total,
const int& priority) :
_name(name), _arrival_time(arrival), _total_time(total), _priority(priority)
{
}
const unsigned int& arrival,
const unsigned int& total,
const int& priority) :
_name(name), _arrival_time(arrival), _total_time(total), _priority(priority)
{}
StaticSchedulable::~StaticSchedulable()
{
}
{}
unsigned int
StaticSchedulable::get_arrival_time() const
@ -40,7 +38,7 @@ StaticSchedulable::get_arrival_time() const
return _arrival_time;
}
void
void
StaticSchedulable::set_arrival_time(unsigned int new_time)
{
_arrival_time = new_time;
@ -59,7 +57,7 @@ StaticSchedulable::get_priority() const
return _priority;
}
void
void
StaticSchedulable::set_priority(int new_priority)
{
_priority = new_priority;

2
src/backend/static_schedulable.hh
View File

@ -43,7 +43,7 @@ namespace sgpem
public:
/** \brief Create a new object with the given parameters */
StaticSchedulable(const Glib::ustring& name, const unsigned int& arrival,
const unsigned int& total, const int& priority);
const unsigned int& total, const int& priority);
virtual ~StaticSchedulable();
/** \brief Returns the arrival time for this process

20
src/backend/static_sub_request.cc
View File

@ -24,35 +24,35 @@
using namespace sgpem;
StaticSubRequest::StaticSubRequest(StaticRequest* req,
StaticResource* resource,
unsigned int length,
StaticSubRequest::StaticSubRequest(StaticRequest* req,
StaticResource* resource,
unsigned int length,
unsigned int places) :
_static_request(req), _static_resource(resource),
_length(length), _places(places)
{
_static_request(req), _static_resource(resource),
_length(length), _places(places)
{
assert(req != NULL && resource != NULL);
}
StaticResource&
StaticResource&
StaticSubRequest::get_static_resource()
{
return *_static_resource;
}
StaticRequest&
StaticRequest&
StaticSubRequest::get_static_request()
{
return *_static_request;
}
unsigned int
unsigned int
StaticSubRequest::get_places() const
{
return _places;
}
unsigned int
unsigned int
StaticSubRequest::get_length() const
{
return _length;

14
src/backend/static_sub_request.hh
View File

@ -28,16 +28,16 @@ namespace sgpem
class StaticSubRequest;
class StaticRequest;
class StaticResource;
class StaticSubRequest
{
public:
StaticSubRequest(StaticRequest* req,
StaticResource* resource,
unsigned int length,
StaticSubRequest(StaticRequest* req,
StaticResource* resource,
unsigned int length,
unsigned int places = 1);
StaticResource& get_static_resource();
StaticResource& get_static_resource();
StaticRequest& get_static_request();
@ -53,7 +53,7 @@ namespace sgpem
unsigned int _length;
unsigned int _places;
};
}
#endif

23
src/backend/static_thread.cc
View File

@ -30,37 +30,36 @@ StaticThread::StaticThread(const Glib::ustring& name,
StaticProcess& process,
unsigned int arrival_time,
int base_priority) :
StaticSchedulable(name, arrival_time, 0, base_priority),
_start_time_delta(arrival_time), _required_cpu_time(0),
_process(&process)
{
}
StaticSchedulable(name, arrival_time, 0, base_priority),
_start_time_delta(arrival_time), _required_cpu_time(0),
_process(&process)
{}
unsigned int
unsigned int
StaticThread::get_total_cpu_time() const
{
return _required_cpu_time;
}
unsigned int
unsigned int
StaticThread::get_arrival_time() const
{
return _start_time_delta;
}
StaticProcess&
StaticProcess&
StaticThread::get_process()
{
return *_process;
}
void
void
StaticThread::remove_request(StaticRequest* request)
{
assert(request != NULL);
vector<StaticRequest*>::iterator it;
it = std::find(_static_requests.begin(), _static_requests.end(), request);
if(it != _static_requests.end())
@ -70,7 +69,7 @@ StaticThread::remove_request(StaticRequest* request)
}
}
void
void
StaticThread::add_request(StaticRequest* request)
{
assert(request != NULL);

12
src/backend/static_thread.hh
View File

@ -34,13 +34,13 @@ namespace sgpem
class StaticProcess;
class StaticRequest;
class SG_DLLEXPORT StaticThread : public StaticSchedulable
class SG_DLLEXPORT StaticThread : public StaticSchedulable
{
public:
StaticThread(const Glib::ustring& name,
StaticProcess& process,
unsigned int arrival_time = 0,
int base_priority = 0);
unsigned int arrival_time = 0,
int base_priority = 0);
unsigned int get_total_cpu_time() const;
@ -51,16 +51,16 @@ namespace sgpem
void remove_request(StaticRequest* request);
void add_request(StaticRequest* request);
private:
StaticThread(const StaticThread&);
unsigned int _start_time_delta;
unsigned int _required_cpu_time;
StaticProcess* _process;
std::vector<StaticRequest*> _static_requests;
};
}
#endif

136
src/backend/string_utils.cc
View File

@ -24,91 +24,91 @@ using namespace std;
using Glib::ustring;
/**
\brief A function that converts a Unicode string to an integer value
The string can contain ONLY digits and the "minus" character.
\returns TRUE if the string is well formatted
\returns FALSE otherwise
\brief A function that converts a Unicode string to an integer value
The string can contain ONLY digits and the "minus" character.
\returns TRUE if the string is well formatted
\returns FALSE otherwise
*/
bool
bool
string_to_int(const ustring& str, int& num)
{
static const ustring allvalid = "0123456789-";
static const ustring digits = "0123456789";
// the string can't be empty
if (str.length() == 0 || (str.length() == 1 && str[0] == '-'))
return false;
static const ustring allvalid = "0123456789-";
static const ustring digits = "0123456789";
//checks if the string contains only digits
if (str.find_first_not_of(allvalid) < str.length())
return false;
if (str.substr(1).find_first_not_of(digits) < str.length()-1)
return false;
num=0;
int multiplier = 1, val;
int start; //the position of the biggest digit
if (str[0] == '-')
start = 1;
else
start = 0;
for (int pos = str.length() - 1; pos >= start ; pos--)
{
val = str[pos] - 48; //the INTEGER value of the digit
num += val*multiplier;
multiplier *= 10;
}
//if there is the minus then multiply for -1
if (start == 1)
num *= -1;
return true;
// the string can't be empty
if (str.length() == 0 || (str.length() == 1 && str[0] == '-'))
return false;
//checks if the string contains only digits
if (str.find_first_not_of(allvalid) < str.length())
return false;
if (str.substr(1).find_first_not_of(digits) < str.length() - 1)
return false;
num = 0;
int multiplier = 1, val;
int start; //the position of the biggest digit
if (str[0] == '-')
start = 1;
else
start = 0;
for (int pos = str.length() - 1; pos >= start ; pos--)
{
val = str[pos] - 48; //the INTEGER value of the digit
num += val * multiplier;
multiplier *= 10;
}
//if there is the minus then multiply for -1
if (start == 1)
num *= -1;
return true;
}
/**
\brief A function that converts an integer value to an Unicode string
\brief A function that converts an integer value to an Unicode string
*/
void
int_to_string(const int& num, ustring& str)
{
if (num == 0)
{
str = '0';
return;
}
str = "";
int val = num;
bool negative = (val < 0)? true : false;
if (negative) val *= -1;
while (true)
{
str = char(val % 10 + 48) + str;
if (val > 1 && val / 10 != 0)
val /= 10;
else
break;
}
if (negative)
str = '-' + str;
if (num == 0)
{
str = '0';
return;
}
str = "";
int val = num;
bool negative = (val < 0) ? true : false;
if (negative) val *= -1;
while (true)
{
str = char(val % 10 + 48) + str;
if (val > 1 && val / 10 != 0)
val /= 10;
else
break;
}
if (negative)
str = '-' + str;
}
void
void
float_to_string(const float& f, Glib::ustring& str)
{
stringstream ss;
ss << f;
char p[20];
ss.getline(p,20);
str = p;
stringstream ss;
ss << f;
char p[20];
ss.getline(p, 20);
str = p;
}
void
string_to_float(const Glib::ustring& str, float& f)
{
stringstream ss;
ss << str;
ss >> f;
stringstream ss;
ss << str;
ss >> f;
}

40
src/backend/string_utils.hh
View File

@ -26,38 +26,38 @@
#include <iostream>
#include "glibmm/ustring.h"
/**\brief This function tries to convert a string into an integer value.
/**\brief This function tries to convert a string into an integer value.
The string can contain only digits and the minus character (for negative numbers).
The string can contain only digits and the minus character (for negative numbers).
\returns TRUE if ths string represent a valid integer number
\returns FALSE otherwise
*/
bool SG_DLLEXPORT string_to_int(const Glib::ustring&, int&);
\returns TRUE if ths string represent a valid integer number
\returns FALSE otherwise
*/
bool SG_DLLEXPORT string_to_int(const Glib::ustring&, int&);
/**\brief This function converts an integer value into a string.
/**\brief This function converts an integer value into a string.
There is no return value because this function always succeeds.
*/
void SG_DLLEXPORT int_to_string(const int&, Glib::ustring&);
There is no return value because this function always succeeds.
*/
void SG_DLLEXPORT int_to_string(const int&, Glib::ustring&);
/**\brief This function converts a float value into a string.
/**\brief This function converts a float value into a string.
There is no return value because this function always succeeds.
*/
void SG_DLLEXPORT float_to_string(const float&, Glib::ustring&);
There is no return value because this function always succeeds.
*/
void SG_DLLEXPORT float_to_string(const float&, Glib::ustring&);
/**\brief This function tries to convert a string into a float value.
/**\brief This function tries to convert a string into a float value.
The string can contain only digits, the minus, plus and dot (-+.) characters. If not,
the value 0 is assigned.
The string can contain only digits, the minus, plus and dot (-+.) characters. If not,
the value 0 is assigned.
There is no return value because this function always succeeds, even if the string is badly formed.
*/
void SG_DLLEXPORT string_to_float(const Glib::ustring&, float&);
There is no return value because this function always succeeds, even if the string is badly formed.
*/
void SG_DLLEXPORT string_to_float(const Glib::ustring&, float&);
#endif

3
src/backend/sub_request.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
SubRequest::~SubRequest()
{
}
{}

10
src/backend/sub_request.hh
View File

@ -28,23 +28,23 @@ namespace sgpem
class SubRequest;
class SerializeVisitor;
class Resource;
class SG_DLLEXPORT SubRequest
{
public:
virtual ~SubRequest();
virtual Resource& get_resource() = 0;
virtual Resource& get_resource() = 0;
virtual unsigned int get_places() const = 0;
virtual unsigned int get_length() const = 0;
virtual int get_queue_position() const = 0;
virtual void serialize(SerializeVisitor& translator) const = 0;
};
}
#endif

3
src/backend/thread.cc
View File

@ -23,6 +23,5 @@
using namespace sgpem;
Thread::~Thread()
{
}
{}

10
src/backend/thread.hh
View File

@ -32,17 +32,17 @@ namespace sgpem
class Request;
class Process;
class SerializeVisitor;
class SG_DLLEXPORT Thread : public virtual Schedulable
class SG_DLLEXPORT Thread : public virtual Schedulable
{
public:
virtual ~Thread();
virtual Process& get_process() = 0;
virtual std::vector<Request*> get_requests() = 0;
virtual void serialize(SerializeVisitor& translator) const= 0;
virtual void serialize(SerializeVisitor& translator) const = 0;
};
}
#endif

8
src/backend/user_interrupt_exception.cc
View File

@ -19,14 +19,14 @@
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// Warning! This exception will be thrown across different libraries.
// It could be necessary to do dynamic type-checking when
// It could be necessary to do dynamic type-checking when
// catching it (with typeinfo).
#include "user_interrupt_exception.hh"
using namespace sgpem;
UserInterruptException::UserInterruptException(const char* msg)
: std::runtime_error(msg)
UserInterruptException::UserInterruptException(const char* msg)
: std::runtime_error(msg)
{}
UserInterruptException::~UserInterruptException() throw() {}
UserInterruptException::~UserInterruptException() throw() {}

21
src/backend/user_interrupt_exception.hh
View File

@ -19,7 +19,7 @@
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// Warning! This exception will be thrown across different libraries.
// It could be necessary to do dynamic type-checking when
// It could be necessary to do dynamic type-checking when
// catching it (with typeinfo).
#ifndef USER_INTERRUPT_EXCEPTION
@ -29,17 +29,18 @@
#include <stdexcept>
namespace sgpem {
class UserInterruptException;
namespace sgpem
{
class UserInterruptException;
class SG_DLLEXPORT UserInterruptException : public std::runtime_error
{
public:
UserInterruptException(const char* msg = "");
virtual ~UserInterruptException() throw ();
class SG_DLLEXPORT UserInterruptException : public std::runtime_error
{
public:
UserInterruptException(const char* msg = "");
virtual ~UserInterruptException() throw ();
private:
};
private:
};
} //~ namespace sgpem
#endif

19
src/graphical_simulation.hh
View File

@ -33,13 +33,14 @@
#include "io_manager.hh"
#include "graphical_terminal_io.hh"
namespace sgpem {
namespace sgpem
{
class GraphicalSimulation;
/** \brief Concrete \ref Simulation subclass with a GUI.
The GraphicalSimulation class is only a placeholder for the future baselines.
*/
class GraphicalSimulation : public Simulation
@ -47,13 +48,13 @@ namespace sgpem {
public:
GraphicalSimulation();
/**
Visualize the state of the simulation in a graphic mode
/**
Visualize the state of the simulation in a graphic mode
*/
void update();
void update();
};
}
#endif

50
src/graphical_terminal_io.cc
View File

@ -39,16 +39,16 @@ using namespace std;
using Glib::ustring;
GraphicalTerminalIO::GraphicalTerminalIO(TextSimulation* sim)
: _sim(sim)
: _sim(sim)
{
using namespace Gtk;
set_title(_("Textual Simulation Log"));
set_default_size(500,300);
set_default_size(500, 300);
Box& mainbox = *manage(new VBox());
add(mainbox);
ScrolledWindow& txout_scroll = *manage(new ScrolledWindow());
_text_output.set_editable(false);
_text_output.modify_font(Pango::FontDescription("monospace"));
@ -71,70 +71,70 @@ GraphicalTerminalIO::GraphicalTerminalIO(TextSimulation* sim)
GTK_WIDGET_SET_FLAGS(btsend.gobj(), CAN_DEFAULT);
set_default(btsend);
cmdbox.pack_start(btsend, false, true);
_text_input.grab_focus();
show_all_children();
}
GraphicalTerminalIO::~GraphicalTerminalIO()
GraphicalTerminalIO::~GraphicalTerminalIO()
{}
void
GraphicalTerminalIO::onSend()
{
using Glib::Thread;
using Glib::Thread;
pair<pair<TextSimulation*, IOManager*>, const ustring> p(
pair<TextSimulation*, IOManager*>(_sim, this),
read_command());
pair<TextSimulation*, IOManager*>(_sim, this),
read_command());
Thread::create(sigc::bind(&TextSimulation::parse_command, p), true);
}
uint
uint
GraphicalTerminalIO::write_buffer(const Glib::ustring& buffer)
{
Glib::Mutex::Lock lock(_mtx);
Glib::Mutex::Lock lock(_mtx);
Glib::RefPtr<Gtk::TextBuffer> txbuf = _text_output.get_buffer();
txbuf->insert_at_cursor(buffer);
Glib::RefPtr<Gtk::TextBuffer> txbuf = _text_output.get_buffer();
txbuf->insert_at_cursor(buffer);
// Force the UI update queue to flush
// while(Gtk::Main::instance()->events_pending())
// while(Gtk::Main::instance()->events_pending())
// Gtk::Main::instance()->iteration();
// i = _text_output.get_buffer()->end();
return buffer.size();
}
Glib::ustring
GraphicalTerminalIO::read_command()
GraphicalTerminalIO::read_command()
{
// For next implementers: take a look to Gtk::EntryCompletion...
// ... maybe it's worth using (when and if we'll have a separate
// Interpreter class)
using Glib::ustring;
static const ustring whitespaces = " \r\b\n\t\a";
// are there any other wspaces?
// are there any other wspaces?
ustring command = _text_input.get_text();
// trimming:
uint f = command.find_first_not_of(whitespaces);
uint l = command.find_last_not_of(whitespaces);
if(f == ustring::npos)
return "";
return "";
_text_input.set_text("");
_text_input.grab_focus();
return command.substr(f,l-f+1);
return command.substr(f, l - f + 1);
}
bool
GraphicalTerminalIO::is_full_duplex()
{
return true;
return true;
}

87
src/graphical_terminal_io.hh
View File

@ -36,14 +36,15 @@
#include <memory>
namespace sgpem {
namespace sgpem
{
// ---------------------------------------------
class GraphicalTerminalIO;
// ---------------------------------------------
/** \brief Class GraphicalTerminalIO implements the methods requested
by IOManager using graphichal widgets.
Consists in a window displaying some textual output and providing a control for text input.
@ -52,50 +53,50 @@ namespace sgpem {
*/
class GraphicalTerminalIO : public IOManager, public Gtk::Window
{
public:
/**
Creates a GraphichalTerminalIO supported by the specified TextSimulation.
\param sim the TextSimulation that will support this IOManager.
*/
GraphicalTerminalIO(TextSimulation* sim);
/**
Destructor.
*/
virtual ~GraphicalTerminalIO();
/**
Prints on the window the provided buffer.
\param buffer the buffer to print.
*/
virtual uint write_buffer(const Glib::ustring& buffer);
/**
Reads the user input.
\return the user input.
*/
virtual Glib::ustring read_command();
/**
Returns whether the IOManager can read user input while performing a write operation.
\return whether the IOManager can read user input while performing a write operation.
*/
virtual bool is_full_duplex();
/**
Specifies the operations to perform at user input.
*/
void onSend();
/**
Creates a GraphichalTerminalIO supported by the specified TextSimulation.
\param sim the TextSimulation that will support this IOManager.
*/
GraphicalTerminalIO(TextSimulation* sim);
/**
Destructor.
*/
virtual ~GraphicalTerminalIO();
/**
Prints on the window the provided buffer.
\param buffer the buffer to print.
*/
virtual uint write_buffer(const Glib::ustring& buffer);
/**
Reads the user input.
\return the user input.
*/
virtual Glib::ustring read_command();
/**
Returns whether the IOManager can read user input while performing a write operation.
\return whether the IOManager can read user input while performing a write operation.
*/
virtual bool is_full_duplex();
/**
Specifies the operations to perform at user input.
*/
void onSend();
private:
TextSimulation* _sim;
TextSimulation* _sim;
Gtk::TextView _text_output;
mutable Gtk::Entry _text_input;
Glib::Mutex _mtx;
Glib::Mutex _mtx;
};
}
#endif

29
src/io_manager.hh
View File

@ -26,31 +26,32 @@
#include <glibmm/ustring.h>
namespace sgpem {
namespace sgpem
{
class IOManager;
/** \brief Class IOManager is an interface for controlling textual I/O.
*/
class IOManager
{
class IOManager
{
public:
virtual ~IOManager() {}
/**Writes a string into an output (the console, a text widget, ...)
\returns the number of written characters
*/
virtual uint write_buffer(const Glib::ustring& buffer) = 0;
virtual uint write_buffer(const Glib::ustring& buffer) = 0;
/**Reads a command from an interactive input (the console, a text widget, ...)
\returns a trimmed string (without blank spaces, tabs... at the extremities)
\returns a trimmed string (without blank spaces, tabs... at the extremities)
*/
virtual Glib::ustring read_command() = 0;
/**Specify whether this IOManger permits to write and read at the same time
virtual Glib::ustring read_command() = 0;
/**Specify whether this IOManger permits to write and read at the same time
*/
virtual bool is_full_duplex() = 0;
virtual bool is_full_duplex() = 0;
};
}

206
src/main.cc
View File

@ -55,34 +55,36 @@ using namespace memory;
using Glib::ustring;
static void load_pyloader_plugin() {
// FIXME: this will need to be moved to an
// appropriate PluginManager class in the backend,
// and the Makefile fixed accordingly (partly done).
using Glib::Module;
// Leaks willingly:
Module* pyloader = 0;
static void load_pyloader_plugin()
{
// FIXME: this will need to be moved to an
// appropriate PluginManager class in the backend,
// and the Makefile fixed accordingly (partly done).
using Glib::Module;
GlobalPreferences& prefs = GlobalPreferences::get_instance();
GlobalPreferences::dir_iterator it = prefs.modules_dir_begin();
while(it != prefs.modules_dir_end()) {
std::string pyloader_path = Module::build_path(*it, "pyloader");
pyloader = new Module(pyloader_path);
if(*pyloader) break;
else delete pyloader;
it++;
}
// Leaks willingly:
Module* pyloader = 0;
if(!*pyloader)
std::cerr << Module::get_last_error() << std::endl;
GlobalPreferences& prefs = GlobalPreferences::get_instance();
GlobalPreferences::dir_iterator it = prefs.modules_dir_begin();
while(it != prefs.modules_dir_end())
{
std::string pyloader_path = Module::build_path(*it, "pyloader");
pyloader = new Module(pyloader_path);
if(*pyloader) break;
else delete pyloader;
it++;
}
// For the moment, we want to be sure it has been loaded:
assert(*pyloader);
if(!*pyloader)
std::cerr << Module::get_last_error() << std::endl;
// For the moment, we want to be sure it has been loaded:
assert(*pyloader);
}
int
main(int argc, char* argv[])
int
main(int argc, char* argv[])
{
using namespace sgpem;
@ -93,34 +95,34 @@ main(int argc, char* argv[])
// Set up Glib thread support
Glib::thread_init();
// Parses options and prepares vector with
// Parses options and prepares vector with
// filenames of documents to be opened
vector<string> filenames;
{
int a_count = argc;
char** a_ptr = argv;
parse_options(a_count, a_ptr);
filenames.insert(filenames.begin(), a_ptr, a_ptr+a_count);
filenames.insert(filenames.begin(), a_ptr, a_ptr + a_count);
}
load_pyloader_plugin();
// Create an INITIAL STATE
StaticProcess p1("P1", 0,5,1);
StaticProcess p2("P2", 0,5,2);
StaticProcess p3("P3", 5,3,3);
StaticProcess p4("P4", 6,2,3);
StaticProcess p5("P5", 1,2,3);
StaticProcess p6("P6", 10,2,1);
StaticProcess p1("P1", 0, 5, 1);
StaticProcess p2("P2", 0, 5, 2);
StaticProcess p3("P3", 5, 3, 3);
StaticProcess p4("P4", 6, 2, 3);
StaticProcess p5("P5", 1, 2, 3);
StaticProcess p6("P6", 10, 2, 1);
DynamicSchedulable ss1(p1);
DynamicSchedulable ss2(p2);
DynamicSchedulable ss3(p3);
DynamicSchedulable ss4(p4);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss6(p6);
SchedulableQueue initial;
initial.add_at_bottom(ss1);
initial.add_at_bottom(ss2);
@ -131,95 +133,95 @@ main(int argc, char* argv[])
History::get_instance().enqueue_slice(initial);
Scheduler::get_instance(); // Forces initialization of scheduler.
// Cross fingers (depends if PythonPolicyManager
// static object has been initialized before?).
// Cross fingers (depends if PythonPolicyManager
// static object has been initialized before?).
//the textual simulation
TextSimulation text_sim;
History::get_instance().attach(&text_sim);
//textual IO
smart_ptr<IOManager> io(new StandardIO());
text_sim.add_io_device(io);
text_sim.update();
//grafical IO
start_gui(argc, argv, text_sim);
//SMOKE-TEST for backend classes
/* cout << "\n\n********************************";
/* cout << "\n\n********************************";
// ************** TEST HISTORY
SchedulableQueue l1;
l1.add_at_top(ss1); l1.add_at_top(ss2); l1.add_at_top(ss3);
SchedulableQueue l2;
l2.add_at_top(ss4); l2.add_at_top(ss5); l2.add_at_top(ss6);
// ************** TEST HISTORY
SchedulableQueue l1;
l1.add_at_top(ss1); l1.add_at_top(ss2); l1.add_at_top(ss3);
SchedulableQueue l2;
l2.add_at_top(ss4); l2.add_at_top(ss5); l2.add_at_top(ss6);
History h(History::get_instance());
h.enqueue_slice(l1); //stato iniziale
h.enqueue_slice(l2);
smart_ptr<const sgpem::SchedulableQueue> quale;
quale = h.get_simulation_status_at(0); //stato iniziale
cout << quale->get_item_at(0)->get_schedulable()->get_name();
smart_ptr<const sgpem::DynamicSchedulable> quale2 = h.get_scheduled_at(1);
cout << quale2->get_schedulable()->get_name();
h.truncate_at(0);
quale = h.get_simulation_status_at(0); //stato iniziale
cout << bool(quale) << " " << quale->get_item_at(0)->get_schedulable()->get_name();
*/
History h(History::get_instance());
h.enqueue_slice(l1); //stato iniziale
h.enqueue_slice(l2);
smart_ptr<const sgpem::SchedulableQueue> quale;
quale = h.get_simulation_status_at(0); //stato iniziale
cout << quale->get_item_at(0)->get_schedulable()->get_name();
smart_ptr<const sgpem::DynamicSchedulable> quale2 = h.get_scheduled_at(1);
cout << quale2->get_schedulable()->get_name();
h.truncate_at(0);
quale = h.get_simulation_status_at(0); //stato iniziale
cout << bool(quale) << " " << quale->get_item_at(0)->get_schedulable()->get_name();
*/
/*
smart_ptr<const sgpem::SimulationStatus> quale;
quale = h.get_simulation_status_at(0);
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
quale = h.get_simulation_status_at(1);
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
quale = h.get_simulation_status_at(2);
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
if (quale) cout << "\n" << quale->get_running()->get_schedulable()->get_name(); else cout << "NO";
h.truncate_at(2);
smart_ptr<const sgpem::DynamicSchedulable> quale2;
quale2 = h.get_scheduled_at(0);
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
quale2 = h.get_scheduled_at(1);
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
quale2 = h.get_scheduled_at(2);
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
if (quale2) cout << "\n" << quale2->get_schedulable()->get_name(); else cout << "NO";
*/
//************** TEST QUEUE
/* cout << "\n\nTEST QUEUE\n";
SchedulableQueue sq;
sq.add_at_bottom(ss1);
sq.add_at_bottom(ss2);
sq.add_at_bottom(ss3);
cout << sq.get_item_at(0)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(1)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(2)->get_schedulable()->get_name() << "\n";
sq.insert_at(2,0);
cout << sq.get_item_at(0)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(1)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(2)->get_schedulable()->get_name() << "\n";
cout << "\n\nTEST POLICYPARAMETERS\n";
PolicyParameters pp;
pp.register_int("ciao", 0, 100, true, 50);
pp.set_int("ciao",1);
cout << pp.get_int("ciao");
cout << "\n\n";
*/
/* cout << "\n\nTEST QUEUE\n";
SchedulableQueue sq;
sq.add_at_bottom(ss1);
sq.add_at_bottom(ss2);
sq.add_at_bottom(ss3);
cout << sq.get_item_at(0)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(1)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(2)->get_schedulable()->get_name() << "\n";
sq.insert_at(2,0);
cout << sq.get_item_at(0)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(1)->get_schedulable()->get_name() << "\n";
cout << sq.get_item_at(2)->get_schedulable()->get_name() << "\n";
cout << "\n\nTEST POLICYPARAMETERS\n";
PolicyParameters pp;
pp.register_int("ciao", 0, 100, true, 50);
pp.set_int("ciao",1);
cout << pp.get_int("ciao");
cout << "\n\n";
*/
return 0;
}

12
src/main_window.cc
View File

@ -31,21 +31,21 @@
using namespace sgpem;
MainWindow::MainWindow()
MainWindow::MainWindow()
{
set_title(PACKAGE_STRING);
//set_default_size(800, 600);
Gtk::Box* mainbox = manage(new Gtk::VBox());
add(*mainbox);
add(*mainbox);
Gtk::Button* bt_exit = manage(new Gtk::Button(_("Exit")));
bt_exit->signal_clicked().connect(sigc::ptr_fun(Gtk::Main::quit));
mainbox->pack_start(*bt_exit);
show_all_children();
}
MainWindow::~MainWindow()
MainWindow::~MainWindow()
{}

17
src/main_window.hh
View File

@ -26,26 +26,27 @@
#include <gtkmm/window.h>
namespace sgpem {
namespace sgpem
{
// ---------------------------------------------
class MainWindow;
// ---------------------------------------------
/** \brief The class represents main window of the program
*
* This is the main simulation window displayed
* when the program is running in a GUI mode*/
class MainWindow : public Gtk::Window
class MainWindow : public Gtk::Window
{
public:
MainWindow();
virtual ~MainWindow();
private:
};
} //~ namespace sgpem

6
src/observer.cc
View File

@ -23,10 +23,8 @@
using namespace sgpem;
Observer::Observer()
{
}
{}
Observer::~Observer()
{
}
{}

26
src/observer.hh
View File

@ -33,25 +33,25 @@ namespace sgpem
* update() on all Observer objects.
*
* See the "Observer Pattern" for more information.
*/
*/
class SG_DLLEXPORT Observer
{
public:
Observer();
virtual ~Observer() = 0;
/**
\brief Called by observed subject.
Observer();
virtual ~Observer() = 0;
/**
\brief Called by observed subject.
This will be called by the observed subject once something of
interest to this observer happens.
\see ObservedSubject
*/
virtual void update() = 0;
This will be called by the observed subject once something of
interest to this observer happens.
\see ObservedSubject
*/
virtual void update() =0;
private:
};
}

164
src/parse_opts.cc
View File

@ -37,105 +37,105 @@
static void display_help();
void
parse_options(int& argc, char**& argv)
parse_options(int& argc, char**& argv)
{
using sgpem::GlobalPreferences;
using sgpem::GlobalPreferences;
print_license();
static const char* short_options = "NhP:M:";
print_license();
static const char* short_options = "NhP:M:";
#ifdef _GNU_SOURCE
// Initialize the array for GNU long options
static struct option long_options[] =
{
{"no-gui", no_argument, NULL, 'N' },
{"help", no_argument, NULL, 'h' },
{"policies-dir", required_argument, NULL, 'P'},
{"modules-dir", required_argument, NULL, 'M'}
};
int option_index = 0;
// Initialize the array for GNU long options
static struct option long_options[] =
{
{"no-gui", no_argument, NULL, 'N' },
{"help", no_argument, NULL, 'h' },
{"policies-dir", required_argument, NULL, 'P'},
{"modules-dir", required_argument, NULL, 'M'}
};
int option_index = 0;
#endif
int opt;
do
{
int opt;
do
{
#ifdef _GNU_SOURCE
opt = getopt_long(argc, argv, short_options,
long_options, &option_index);
#else
opt = getopt(argc, argv, short_options);
opt = getopt_long(argc, argv, short_options,
long_options, &option_index);
#else
opt = getopt(argc, argv, short_options);
#endif
switch(opt)
{
case -1:
// We have finished normally
break;
case 'N' :
// We don't return to main, instead we
// initialize the command line version
// of sgpemv2 (?)
// FIXME : to be written!
break;
case 'P':
GlobalPreferences::get_instance().add_policies_dir(optarg);
break;
case 'M':
GlobalPreferences::get_instance().add_modules_dir(optarg);
break;
case ':':
printf(_("[EE] Wrong number of parameters. Please see \n"
"%s --help\n"), argv[0]);
exit(-1);
case 'h' :
default :
display_help();
}
}
while( opt != -1 );
// Set these two to start from additional filenames on the cmdline:
argc -= optind;
argv += optind;
switch(opt)
{
case - 1:
// We have finished normally
break;
case 'N' :
// We don't return to main, instead we
// initialize the command line version
// of sgpemv2 (?)
// FIXME : to be written!
break;
case 'P':
GlobalPreferences::get_instance().add_policies_dir(optarg);
break;
case 'M':
GlobalPreferences::get_instance().add_modules_dir(optarg);
break;
case ':':
printf(_("[EE] Wrong number of parameters. Please see \n"
"%s --help\n"), argv[0]);
exit(-1);
case 'h' :
default :
display_help();
}
}
while( opt != -1 );
// Set these two to start from additional filenames on the cmdline:
argc -= optind;
argv += optind;
}
void
display_help()
{
printf( _("SGPEMv2 is an educational software acting as a process scheduling simulator\n"
"\n\nUsage : sgpemv2 [options] filename"
"\n\nOptions:\n"
"\t-h, --help this help you're reading\n"
"\t-N, --no-gui starts the program in command line mode\n"
"\t-P dir, --policies-dir=dir\n"
"\t add this directory to the default modules\n"
"\t search path\n"
"\t-M dir, --modules-dir=dir\n"
"\t add this directory to default plugin\n"
"\t search path\n"
"\nFilename:\n"
"\t a valid SGPEMv2 XML file\n"
"\t to be opened.\n"
"\nLong options are available only on GNU systems.\n\n" ) );
exit(0);
printf( _("SGPEMv2 is an educational software acting as a process scheduling simulator\n"
"\n\nUsage : sgpemv2 [options] filename"
"\n\nOptions:\n"
"\t-h, --help this help you're reading\n"
"\t-N, --no-gui starts the program in command line mode\n"
"\t-P dir, --policies-dir=dir\n"
"\t add this directory to the default modules\n"
"\t search path\n"
"\t-M dir, --modules-dir=dir\n"
"\t add this directory to default plugin\n"
"\t search path\n"
"\nFilename:\n"
"\t a valid SGPEMv2 XML file\n"
"\t to be opened.\n"
"\nLong options are available only on GNU systems.\n\n" ) );
exit(0);
}
void
print_license()
void
print_license()
{
// Do _NOT_ translate this text.
std::cerr <<
"SGPEMv2, Copyright (C) 2005, 2006 University of Padova,\n"
" dept. of Pure and Applied Mathematics.\n"
"SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free \n"
"software, and you are welcome to redistribute it under \n"
"the terms of the GNU General Public License; for details\n"
"see file COPYING contained in the source package. \n"
<< std::endl;
// Do _NOT_ translate this text.
std::cerr <<
"SGPEMv2, Copyright (C) 2005, 2006 University of Padova,\n"
" dept. of Pure and Applied Mathematics.\n"
"SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free \n"
"software, and you are welcome to redistribute it under \n"
"the terms of the GNU General Public License; for details\n"
"see file COPYING contained in the source package. \n"
<< std::endl;
}

261
src/simulation.cc
View File

@ -28,193 +28,194 @@ using namespace memory;
using Glib::usleep;
Simulation::Simulation(): _state(state_paused), _mode(true), _timer_interval(1000)
{
}
{}
void
void
Simulation::set_timer(const int& t)
{
_timer_interval = t;
_timer_interval = t;
}
int
int
Simulation::get_timer() const
{
return _timer_interval;
return _timer_interval;
}
void
void
Simulation::set_mode(const bool& b)
{
_mode = b;
_mode = b;
}
bool
Simulation::get_mode() const
{
return _mode;
return _mode;
}
void
Simulation::pause()
{
_state = state_paused;
_state = state_paused;
}
void
Simulation::stop()
{
_state = state_stopped;
_state = state_stopped;
}
void
Simulation::reset()
{
_state = state_paused;
History::get_instance().truncate_at(0);
_state = state_paused;
History::get_instance().truncate_at(0);
}
void
Simulation::run() throw(UserInterruptException)
{
History& h = History::get_instance();
switch(_state)
{
case state_running:
// FIXME: write out something, or just ignore user input?
return;
case state_stopped:
h.truncate_at(0);
break;
default:
break;
}
_state = state_running;
//******* CONTINUOUS TIME
if (_mode)
{
do {
// chech for termination
bool all_term = true;
smart_ptr<SchedulableQueue> left = h.get_simulation_status_at(h.get_current_time());
for(uint i = 0; i < left->size(); i++)
if (left->get_item_at(i)->get_state() != DynamicSchedulable::state_terminated)
{
all_term = false;
break;
}
//if there are no processes left the termination message has already been notified
//by the last execution of upadate()
if (all_term)
{
_state = state_stopped;
return; // Exit from loop
}
try
{
//step forward
Scheduler::get_instance().step_forward();
//sleep
Glib::usleep(_timer_interval*1000);
}
catch(UserInterruptException e)
{
stop();
throw;
}
History& h = History::get_instance();
switch(_state)
{
case state_running:
// FIXME: write out something, or just ignore user input?
return;
case state_stopped:
h.truncate_at(0);
break;
default:
break;
}
_state = state_running;
//******* CONTINUOUS TIME
if (_mode)
{
do
{
// chech for termination
bool all_term = true;
smart_ptr<SchedulableQueue> left = h.get_simulation_status_at(h.get_current_time());
for(uint i = 0; i < left->size(); i++)
if (left->get_item_at(i)->get_state() != DynamicSchedulable::state_terminated)
{
all_term = false;
break;
}
//if there are no processes left the termination message has already been notified
//by the last execution of upadate()
if (all_term)
{
_state = state_stopped;
return; // Exit from loop
}
try
{
//step forward
Scheduler::get_instance().step_forward();
//sleep
Glib::usleep(_timer_interval*1000);
}
catch(UserInterruptException e)
{
stop();
throw;
}
//check the state
if (_state == state_stopped || _state == state_paused)
return;
}
while(true);
}
//******* STEP by STEP
else
{
// chech for termination
bool all_term = true;
smart_ptr<SchedulableQueue> left = h.get_simulation_status_at(h.get_current_time());
for(uint i = 0; i < left->size(); i++)
if (left->get_item_at(i)->get_state() != DynamicSchedulable::state_terminated)
{
all_term = false;
break;
}
if (all_term)
//if there are no processes left the termination message has already been notified
//by the last execution of upadate()
_state = state_paused;
else
{
try
{
//step forward
Scheduler::get_instance().step_forward();
}
catch(UserInterruptException e)
{
throw;
}
}
}
//check the state
if (_state == state_stopped || _state == state_paused)
return;
} while(true);
}
//******* STEP by STEP
else
{
// chech for termination
bool all_term = true;
smart_ptr<SchedulableQueue> left = h.get_simulation_status_at(h.get_current_time());
for(uint i = 0; i < left->size(); i++)
if (left->get_item_at(i)->get_state() != DynamicSchedulable::state_terminated)
{
all_term = false;
break;
}
if (all_term)
//if there are no processes left the termination message has already been notified
//by the last execution of upadate()
_state = state_paused;
else
{
try
{
//step forward
Scheduler::get_instance().step_forward();
}
catch(UserInterruptException e)
{
throw;
}
}
}
}
void
Simulation::jump_to(const uint& where) throw(UserInterruptException)
{
//jump to position 0
reset();
bool old = _mode;
_mode = false;
//jump to position 0
reset();
bool old = _mode;
_mode = false;
try
{
// executes "where" steps
for (uint i=0; i < where; i++)
run();
}
catch(UserInterruptException e)
{
_mode = old;
throw;
}
_state = state_paused;
_mode = old;
try
{
// executes "where" steps
for (uint i = 0; i < where; i++)
run();
}
catch(UserInterruptException e)
{
_mode = old;
throw;
}
_state = state_paused;
_mode = old;
}
/*void
Simulation::set_policy(Policy* p)
{
Scheduler::get_instance().set_policy(p);
}*/
Scheduler::get_instance().set_policy(p);
}*/
Policy*
Simulation::get_policy()
{
return &Scheduler::get_instance().get_policy();
return &Scheduler::get_instance().get_policy();
}
vector<Policy*>
Simulation::get_avaiable_policies()
{
vector<Policy*> v;
v.push_back(&Scheduler::get_instance().get_policy());
return v;
vector<Policy*> v;
v.push_back(&Scheduler::get_instance().get_policy());
return v;
}

196
src/simulation.hh
View File

@ -53,115 +53,115 @@ namespace sgpem
\remarks Implements the Controller pattern: ensures Low Coupling between the Frontend and
the Backend layers.
*/
class SG_DLLEXPORT Simulation : public Observer
{
public:
enum state
{
state_running,
state_paused,
state_stopped
};
Simulation();
/**
\brief Runs the simulation.
Advances the simulation by one or more steps, depending on the
actual state and on the value set with set_mode().
*/
void run() throw(UserInterruptException);
class SG_DLLEXPORT Simulation : public Observer
{
public:
enum state
{
state_running,
state_paused,
state_stopped
};
/**
\brief Pauses a running simulation.
Simulation();
It is obviously useful only when the advancement mode is continue.
Calling again run() will cause the simulation to start from the current
simulation step.
*/
void pause();
/**
\brief Runs the simulation.
/**
\brief Stops the simulation.
Advances the simulation by one or more steps, depending on the
actual state and on the value set with set_mode().
*/
void run() throw(UserInterruptException);
Behaves in the same way as pause(), except that the next call to run()
will cause the simulation to start from the beginning.
*/
void stop();
/**
\brief Pauses a running simulation.
/**
\brief Reset the simulation.
It is obviously useful only when the advancement mode is continue.
Calling again run() will cause the simulation to start from the current
simulation step.
*/
void pause();
Erases the state of the simulation, and takes care of removing any
residual or temporary data to ensure the simulation has reached a
clean and stable state.
*/
void reset();
/**
\brief Stops the simulation.
/**
\brief Causes the simulation to jump to the given time unit.
*/
void jump_to(const uint&) throw(UserInterruptException);
/**
\brief Setter for the attribute timer_interval.
Behaves in the same way as pause(), except that the next call to run()
will cause the simulation to start from the beginning.
*/
void stop();
This method is used to define how a single time unit is to be
interpreted when the simulation advancement mode is continue.
The input value is in milliseconds, and it must be in range [0, 10000].
*/
void set_timer(const int&);
/**
\see set_timer()
*/
int get_timer() const;
/**
\brief This methods allows to change the way the simulation progresses.
/**
\brief Reset the simulation.
If the input value is 0 (false), the simulation will advance a single time
step for each call to run().
If the input value is 1 (true), the simulation will advance contiuosly,
waiting the time defined with set_timer() between each step, until all
processes have terminated, or some error happens.
*/
void set_mode(const bool&);
/**
\return The simulation advancement mode: 0 if step-to-step, 1 if
continue.
*/
bool get_mode() const;
/**
\brief Setup the policy to be used by the system.
Erases the state of the simulation, and takes care of removing any
residual or temporary data to ensure the simulation has reached a
clean and stable state.
*/
void reset();
/**
\brief Causes the simulation to jump to the given time unit.
*/
void jump_to(const uint&) throw(UserInterruptException);
/**
\brief Setter for the attribute timer_interval.
This method is used to define how a single time unit is to be
interpreted when the simulation advancement mode is continue.
The input value is in milliseconds, and it must be in range [0, 10000].
*/
void set_timer(const int&);
/**
\see set_timer()
*/
int get_timer() const;
/**
\brief This methods allows to change the way the simulation progresses.
If the input value is 0 (false), the simulation will advance a single time
step for each call to run().
If the input value is 1 (true), the simulation will advance contiuosly,
waiting the time defined with set_timer() between each step, until all
processes have terminated, or some error happens.
*/
void set_mode(const bool&);
/**
\return The simulation advancement mode: 0 if step-to-step, 1 if
continue.
*/
bool get_mode() const;
/**
\brief Setup the policy to be used by the system.
The input pointer must be one of those returned by get_avaiable_policies().
*/
void set_policy(Policy*);
/**
\return The policy currently in use.
*/
Policy* get_policy();
/**
\return A collection of policies (scheduling algorithms), from which a user
may choose.
*/
std::vector<Policy*> get_avaiable_policies();
private:
state _state;
bool _mode;
int _timer_interval;
};
The input pointer must be one of those returned by get_avaiable_policies().
*/
void set_policy(Policy*);
/**
\return The policy currently in use.
*/
Policy* get_policy();
/**
\return A collection of policies (scheduling algorithms), from which a user
may choose.
*/
std::vector<Policy*> get_avaiable_policies();
private:
state _state;
bool _mode;
int _timer_interval;
};
}

42
src/standard_io.cc
View File

@ -27,37 +27,37 @@ using Glib::ustring;
uint
StandardIO::write_buffer(const ustring& buffer)
{
cout << buffer;
cout.flush();
if (cout.good())
return buffer.length();
else
return 0;
cout << buffer;
cout.flush();
if (cout.good())
return buffer.length();
else
return 0;
}
ustring
StandardIO::read_command()
{
using namespace std;
using namespace std;
char p[2000];
cin.getline(p,2000);
ustring command(p);
char p[2000];
cin.getline(p, 2000);
static const ustring whitespaces = " \r\b\n\t\a";
// are there any other wspaces?
// trimming:
uint f = command.find_first_not_of(whitespaces);
uint l = command.find_last_not_of(whitespaces);
if(f == ustring::npos)
return "";
return command.substr(f,l-f+1);
ustring command(p);
static const ustring whitespaces = " \r\b\n\t\a";
// are there any other wspaces?
// trimming:
uint f = command.find_first_not_of(whitespaces);
uint l = command.find_last_not_of(whitespaces);
if(f == ustring::npos)
return "";
return command.substr(f, l - f + 1);
}
bool
StandardIO::is_full_duplex()
{
return false;
return false;
}

19
src/standard_io.hh
View File

@ -29,38 +29,39 @@
#include "io_manager.hh"
namespace sgpem {
namespace sgpem
{
class StandardIO;
/**
Concrete subclass of \ref IOManager implemented using
standard input and standard output.
*/
class StandardIO : public IOManager
class StandardIO : public IOManager
{
public:
public:
/**
Prints the parameter to standard output.
\param buffer The string to print.
\return The number of printed characters.
*/
uint write_buffer(const Glib::ustring& buffer);
uint write_buffer(const Glib::ustring& buffer);
/**
Reads from standard input a command.
Whitespaces are trimmed at the beginning and at the end.
\return The command string, trimmed of whitespaces.
*/
Glib::ustring read_command();
Glib::ustring read_command();
/**
Returns whether this device can simultaneously read and write.
\return true if the device can read and write simultaneously, false otherwise.
*/
bool is_full_duplex();
bool is_full_duplex();
};
}

10
src/start_gui.cc
View File

@ -28,16 +28,16 @@
#include <gtkmm/main.h>
void
start_gui(int argc, char** argv, TextSimulation& txt)
start_gui(int argc, char** argv, TextSimulation& txt)
{
Gtk::Main gtk_main(argc,argv);
Gtk::Main gtk_main(argc, argv);
GraphicalTerminalIO* gt = new sgpem::GraphicalTerminalIO(&txt);
memory::smart_ptr<sgpem::IOManager> main_window(gt);
txt.add_io_device(main_window);
//print the initial status on each iomanager
//txt.update();
//txt.update();
Gtk::Main::run(*gt);
}

4
src/start_gui.hh
View File

@ -26,8 +26,8 @@
#include "text_simulation.hh"
/** \brief This function initialize and starts the whole GUI
/** \brief This function initialize and starts the whole GUI
*/
void SG_DLLEXPORT start_gui(int argc, char** argv, TextSimulation& txt);

25
src/templates/parameter.tcc
View File

@ -29,22 +29,21 @@ using namespace sgpem;
template<typename T>
PolicyParameters::Parameter<T>::Parameter(Glib::ustring name, const T& value, const T& lower_bound, const T& upper_bound, const bool& required, const T& default_value)
:_name(name), _value(value), _lower_bound(lower_bound), _upper_bound(upper_bound), _is_required(required), _default(default_value)
{
}
: _name(name), _value(value), _lower_bound(lower_bound), _upper_bound(upper_bound), _is_required(required), _default(default_value)
{}
template<typename T>
Glib::ustring
PolicyParameters::Parameter<T>::get_name() const
{
return _name;
return _name;
}
template<typename T>
T
PolicyParameters::Parameter<T>::get_lower_bound() const
{
return _lower_bound;
return _lower_bound;
}
@ -52,39 +51,39 @@ template<typename T>
T
PolicyParameters::Parameter<T>::get_upper_bound() const
{
return _upper_bound;
return _upper_bound;
}
template<typename T>
bool
PolicyParameters::Parameter<T>::is_required() const
{
return _is_required;
return _is_required;
}
template<typename T>
T
PolicyParameters::Parameter<T>::get_default() const
{
return _default;
return _default;
}
template<typename T>
T
PolicyParameters::Parameter<T>::get_value() const
{
return _value;
return _value;
}
template<typename T>
void
PolicyParameters::Parameter<T>::set_value(const T& val)
{
_value = val;
_value = val;
}
#endif

15
src/templates/singleton.hh
View File

@ -22,21 +22,21 @@
#include <glibmm/thread.h>
#include "config.h"
namespace sgpem
namespace sgpem
{
/** \brief An abstract implementation of the Singleton design pattern.
/** \brief An abstract implementation of the Singleton design pattern.
*
* Singleton implementers constuctor will have to declare friendliness
* to Singleton::get_instance(). This also attempts to achieve
* thread-safeness.
*/
template<typename Instantiated_class>
class SG_DLLEXPORT Singleton
class SG_DLLEXPORT Singleton
{
public:
/** \brief Ensures thread safety is respected, and returns the instantiated object
/** \brief Ensures thread safety is respected, and returns the instantiated object
*
* This is done by locking _instance via a mutex, before intantiating the
* Instantiated_class attribute (if not done before).
@ -48,7 +48,8 @@ namespace sgpem
private:
static Instantiated_class* _instance;
static Glib::StaticMutex SG_DLLLOCAL _mutex;
}; //~ class Singleton
}
; //~ class Singleton
} //~ namespace sgpem

42
src/templates/smartp.hh
View File

@ -20,8 +20,9 @@
#include <new>
#include <typeinfo>
namespace memory {
namespace memory
{
/** \brief A simple reference counted smart pointer
*
* \author Matteo Settenvini
@ -36,21 +37,22 @@ namespace memory {
*
* \param T The type of the object to store
* \param isArray a boolean value telling if we're
* storing an array or a single object (the default)
* storing an array or a single object (the default)
*
* \warning This class hasn't virtual methods
* to ensure greater speed. Don't inherit
* from it: its destructor isn't virtual, either.
*/
template<typename T, bool isArray = false>
class smart_ptr {
class smart_ptr
{
template<typename T2, bool isArray2>
friend class smart_ptr;
public:
/** \brief An alias for the smart_ptr which contains null
/** \brief An alias for the smart_ptr which contains null
*
* When you've to compare some smart pointer with another
* to see if it points to nowhere, you can use this
@ -75,7 +77,7 @@ namespace memory {
* So you don't keep a potentially dangerous reference
* around. */
smart_ptr(T* ptr = 0) throw(std::bad_alloc);
/** \brief Copy constructor.
*
* Always use this to obtain another reference
@ -93,8 +95,8 @@ namespace memory {
* Use this operator to access object
* methods and data. */
T* operator->() throw();
/** \brief Access to stored object's members
/** \brief Access to stored object's members
*
* Const version of the above operator. */
const T* operator->() const throw();
@ -108,7 +110,7 @@ namespace memory {
*
* \warning Use with care */
const T& operator*() const throw();
/** \brief Convenience operator for use in predicates
*
* \return true if the stored pointer is valid,
@ -121,7 +123,7 @@ namespace memory {
* \return The number of references */
unsigned int alive_refs() const throw();
/** \brief Dynamic cast the stored pointer
/** \brief Dynamic cast the stored pointer
* to another type, returning a smart_ptr
*
* This functions tries to cast the stored
@ -133,9 +135,9 @@ namespace memory {
* the cast isn't successful or doable
*/
template<typename U>
smart_ptr<U,isArray> cast_to() throw(std::bad_cast);
smart_ptr<U, isArray> cast_to() throw(std::bad_cast);
/** \brief Dynamic cast the stored pointer
/** \brief Dynamic cast the stored pointer
* to another type, returning a smart_ptr
*
* This functions tries to cast the stored
@ -147,16 +149,18 @@ namespace memory {
* the cast isn't successful or doable
*/
template<typename U>
const smart_ptr<U,isArray> cast_to() const throw(std::bad_cast);
const smart_ptr<U, isArray> cast_to() const throw(std::bad_cast);
private:
template<typename U>
smart_ptr(const smart_ptr<U,isArray>& sptr) throw(std::bad_cast);
smart_ptr(const smart_ptr<U, isArray>& sptr) throw(std::bad_cast);
struct contents_type {
struct contents_type
{
T* ptr;
unsigned int rc;
}* _contents;
}
* _contents;
};
}

49
src/templates/smartp.tcc
View File

@ -19,16 +19,17 @@
#include "smartp.hh"
namespace memory {
namespace memory
{
template<typename T, bool isArray>
const smart_ptr<T, isArray> smart_ptr<T, isArray>::null = 0;
// ------------------------------
template<typename T, bool isArray>
smart_ptr<T, isArray>::smart_ptr( T* ptr ) throw(std::bad_alloc)
: _contents(new contents_type())
: _contents(new contents_type())
{
_contents->rc = 1;
_contents->ptr = ptr;
@ -37,7 +38,7 @@ namespace memory {
template<typename T, bool isArray>
smart_ptr<T, isArray>::smart_ptr(const smart_ptr& sptr) throw()
: _contents(sptr._contents)
: _contents(sptr._contents)
{
(_contents->rc)++;
}
@ -46,40 +47,40 @@ namespace memory {
template<typename T, bool isArray>
smart_ptr<T, isArray>::~smart_ptr() throw()
{
if(--(_contents->rc) == 0)
if(--(_contents->rc) == 0)
{
if(_contents->ptr != 0)
!isArray ? delete _contents->ptr : delete [] _contents->ptr;
!isArray ? delete _contents->ptr : delete [] _contents->ptr;
delete _contents;
}
}
// ------------------------------
template<typename T, bool isArray>
smart_ptr<T, isArray>&
smart_ptr<T, isArray>::operator=(const smart_ptr& sptr) throw()
{
if(this != &sptr && _contents != sptr._contents)
if(this != &sptr && _contents != sptr._contents)
{
if(--(_contents->rc) == 0)
if(--(_contents->rc) == 0)
{
if(_contents->ptr != 0)
!isArray ? delete _contents->ptr : delete [] _contents->ptr;
delete _contents;
if(_contents->ptr != 0)
!isArray ? delete _contents->ptr : delete [] _contents->ptr;
delete _contents;
}
_contents = sptr._contents;
(_contents->rc)++;
}
return *this;
}
template<typename T, bool isArray>
bool
smart_ptr<T, isArray>::operator==( const smart_ptr& sptr ) const throw()
smart_ptr<T, isArray>::operator==( const smart_ptr& sptr ) const throw()
{
return _contents->ptr == sptr._contents->ptr;
}
@ -91,8 +92,8 @@ namespace memory {
{
return _contents->ptr != sptr._contents->ptr;
}
template<typename T, bool isArray>
T&
smart_ptr<T, isArray>::operator*() throw()
@ -132,7 +133,7 @@ namespace memory {
}
// ------------------------------
template<typename T, bool isArray>
unsigned int
smart_ptr<T, isArray>::alive_refs() const throw()
@ -144,7 +145,7 @@ namespace memory {
template<typename T, bool isArray>
template<typename U>
smart_ptr<U, isArray>
smart_ptr<T, isArray>::cast_to() throw(std::bad_cast)
smart_ptr<T, isArray>::cast_to() throw(std::bad_cast)
{
return smart_ptr<U, isArray>(*this);
}
@ -161,14 +162,14 @@ namespace memory {
template<typename T, bool isArray>
template<typename U>
smart_ptr<T,isArray>::smart_ptr(const smart_ptr<U,isArray>& sptr)
throw(std::bad_cast)
smart_ptr<T, isArray>::smart_ptr(const smart_ptr<U, isArray>& sptr)
throw(std::bad_cast)
{
if(!sptr._contents->ptr || dynamic_cast<T*>(sptr._contents->ptr) == 0)
throw std::bad_cast();
// I know, I know... this is Evil(TM):
_contents = reinterpret_cast<typename smart_ptr<T,isArray>::contents_type*>(sptr._contents);
_contents = reinterpret_cast<typename smart_ptr<T, isArray>::contents_type*>(sptr._contents);
(_contents->rc)++;
}

426
src/testsuite/test-history.cc
View File

@ -51,245 +51,245 @@ using namespace std;
*/
class HistoryTester
{
public:
HistoryTester(SchedulableQueue sl)
: _history_length(-1), _internal_schedulable_queue(sl)
{}
public:
/** this method gets a sequence of operations as a parameter and performs them
* checking for anomalies.
* E stands for EnqueueSlice, R for randomize input, T for truncate the last insertion
*/
void
test(std::string commands_sequence)
HistoryTester(SchedulableQueue sl)
: _history_length(-1), _internal_schedulable_queue(sl)
{}
/** this method gets a sequence of operations as a parameter and performs them
* checking for anomalies.
* E stands for EnqueueSlice, R for randomize input, T for truncate the last insertion
*/
void
test(std::string commands_sequence)
{
// prints the test sequence
std::cout << commands_sequence << endl;
// executes the test sequence
for (unsigned int i = 0; i < commands_sequence.length() && i < 400; i++)
{
// prints the test sequence
std::cout << commands_sequence << endl;
// executes the test sequence
for (unsigned int i = 0; i < commands_sequence.length() && i < 400; i++)
{
switch(commands_sequence[i])
{
case 'E':
_insert(_internal_schedulable_queue);
break;
case 'R':
_randomize(_internal_schedulable_queue);
break;
case 'T':
_truncate();
break;
default:
break;
}
_standard_test();
}
return;
switch(commands_sequence[i])
{
case 'E':
_insert(_internal_schedulable_queue);
break;
case 'R':
_randomize(_internal_schedulable_queue);
break;
case 'T':
_truncate();
break;
default:
break;
}
_standard_test();
}
return;
}
private:
private:
int _history_length; // mirrors the correct length of the history
SchedulableQueue* _get_simulation_status_at[400]; // mirrors the correct content of the history
DynamicSchedulable* _get_scheduled_at[400]; // mirrors the correct content of the history
SchedulableQueue _internal_schedulable_queue;
int _history_length; // mirrors the correct length of the history
SchedulableQueue* _get_simulation_status_at[400]; // mirrors the correct content of the history
DynamicSchedulable* _get_scheduled_at[400]; // mirrors the correct content of the history
SchedulableQueue _internal_schedulable_queue;
// looks for anomalies
void
_standard_test()
// looks for anomalies
void
_standard_test()
{
// checks if the Singleton Pattern has been actually implemented
if (&History::get_instance() != &History::get_instance()) std::cout << "\nget_instance";
// checks if the History is long how it should be
if (History::get_instance().get_current_time() != _history_length) std::cout << "\nget_current_time: real: " << History::get_instance().get_current_time() << ", expected " << _history_length << endl;
// checks if the History contains the right stuff
int min = History::get_instance().get_current_time();
min = min < _history_length ? min : _history_length;
for (int i = 0; i < min + 1; i++)
{
// checks if the Singleton Pattern has been actually implemented
if (&History::get_instance() != &History::get_instance()) std::cout << "\nget_instance";
// checks if the History is long how it should be
if (History::get_instance().get_current_time() != _history_length) std::cout << "\nget_current_time: real: " << History::get_instance().get_current_time() <<", expected " << _history_length<<endl;
// checks if the History contains the right stuff
int min = History::get_instance().get_current_time();
min = min < _history_length ? min : _history_length;
for (int i = 0; i < min+1; i++)
{
// watch out here, it's if (NOT ...) operator != was not available.
if
(
!(
History::get_instance().get_simulation_status_at(i)->has_same_objects( *_get_simulation_status_at[i])
)
)
{
std::cout << "\nget_simulation_status_at";
}
if (History::get_instance().get_scheduled_at(i) != memory::smart_ptr<DynamicSchedulable>(NULL) && !(*(History::get_instance().get_scheduled_at(i)) == *(_get_scheduled_at[i])))
{
std::cout << "\nget_scheduled_at";
}
}
return;
// watch out here, it's if (NOT ...) operator != was not available.
if
(
!(
History::get_instance().get_simulation_status_at(i)->has_same_objects( *_get_simulation_status_at[i])
)
)
{
std::cout << "\nget_simulation_status_at";
}
if (History::get_instance().get_scheduled_at(i) != memory::smart_ptr<DynamicSchedulable>(NULL) && !(*(History::get_instance().get_scheduled_at(i)) == *(_get_scheduled_at[i])))
{
std::cout << "\nget_scheduled_at";
}
}
return;
}
// saves the given SchedulableQueue into the history, and saves a copy of it into an array
void _insert(sgpem::SchedulableQueue& status)
// saves the given SchedulableQueue into the history, and saves a copy of it into an array
void _insert(sgpem::SchedulableQueue& status)
{
History::get_instance().enqueue_slice(status);
_history_length = _history_length + 1;
_get_simulation_status_at[_history_length] = new SchedulableQueue(status);
if (History::get_instance().get_scheduled_at(_history_length) != memory::smart_ptr<DynamicSchedulable>(NULL))
_get_scheduled_at[_history_length] = new DynamicSchedulable(*(History::get_instance().get_scheduled_at(_history_length)));
else
_get_scheduled_at[_history_length] = NULL;
return;
}
// modifies the given SchedulableQueue object in an arbitrary way.
void _randomize(sgpem::SchedulableQueue& status)
{
status.swap(9, 10);
status.swap(1, 16);
status.swap(3, 19);
status.swap(2, 18);
status.swap(5, 16);
status.swap(4, 11);
status.swap(6, 12);
status.swap(7, 14);
status.swap(15, 13);
status.swap(0, 10);
status.swap(9, 4);
status.swap(4, 5);
status.swap(7, 1);
for (unsigned int i = 0; i < status.size(); i++)
{
History::get_instance().enqueue_slice(status);
_history_length = _history_length + 1;
_get_simulation_status_at[_history_length] = new SchedulableQueue(status);
if (History::get_instance().get_scheduled_at(_history_length) != memory::smart_ptr<DynamicSchedulable>(NULL))
_get_scheduled_at[_history_length] = new DynamicSchedulable(*(History::get_instance().get_scheduled_at(_history_length)));
else
_get_scheduled_at[_history_length] = NULL;
return;
status.get_item_at(i)->give_cpu_time(i % 2);
status.get_item_at(i)->set_last_scheduled(_history_length % 30);
status.get_item_at(i)->set_state(i % 2 ? DynamicSchedulable::state_running : DynamicSchedulable::state_ready);
}
return;
}
// modifies the given SchedulableQueue object in an arbitrary way.
void _randomize(sgpem::SchedulableQueue& status)
// truncates the history by one instant
void _truncate()
{
if (_history_length > -1)
{
status.swap(9, 10);
status.swap(1, 16);
status.swap(3, 19);
status.swap(2, 18);
status.swap(5, 16);
status.swap(4, 11);
status.swap(6, 12);
status.swap(7, 14);
status.swap(15, 13);
status.swap(0, 10);
status.swap(9, 4);
status.swap(4, 5);
status.swap(7, 1);
for (unsigned int i = 0; i < status.size(); i++)
{
status.get_item_at(i)->give_cpu_time(i%2);
status.get_item_at(i)->set_last_scheduled(_history_length%30);
status.get_item_at(i)->set_state(i%2 ? DynamicSchedulable::state_running : DynamicSchedulable::state_ready);
}
return;
}
// truncates the history by one instant
void _truncate()
{
if (_history_length > -1)
{
if (_get_simulation_status_at[_history_length] != NULL)
{
delete _get_simulation_status_at[_history_length];
_get_simulation_status_at[_history_length] = NULL;
}
if (_get_scheduled_at[_history_length] != NULL)
{
delete _get_scheduled_at[_history_length];
_get_scheduled_at[_history_length] = NULL;
}
_history_length = _history_length - 1;
History::get_instance().truncate_at(_history_length-1);
}
return;
if (_get_simulation_status_at[_history_length] != NULL)
{
delete _get_simulation_status_at[_history_length];
_get_simulation_status_at[_history_length] = NULL;
}
if (_get_scheduled_at[_history_length] != NULL)
{
delete _get_scheduled_at[_history_length];
_get_scheduled_at[_history_length] = NULL;
}
_history_length = _history_length - 1;
History::get_instance().truncate_at(_history_length - 1);
}
return;
}
};
int
main(int argc, char** argv)
main(int argc, char** argv)
{
using namespace sgpem;
using Glib::Module;
using namespace sgpem;
using Glib::Module;
std::string command("ERERERT"); // the sequence of commands to test
if(argc > 1)
command = argv[1];
// sets up the test data
StaticProcess p1("P1", 1,5,1);
StaticProcess p2("P2", 5,55,2);
StaticProcess p3("P3", 36,30,3);
StaticProcess p4("P4", 4,26,3);
StaticProcess p5("P5", 15,200,3);
StaticProcess p6("P6", 6,250,1);
StaticProcess p7("P7", 8,42,15);
StaticProcess p8("P8", 8,56,1);
StaticProcess p9("P9", 9,42,1);
StaticProcess p10("PA", 12,42,1);
StaticProcess p11("PB", 106,42,1);
StaticProcess p12("PC", 100,42,1);
StaticProcess p13("PD", 29,42,18);
StaticProcess p14("PE", 0,42,1);
StaticProcess p15("PF", 2,88,1);
StaticProcess p16("PG", 3666,9,1);
StaticProcess p17("PH", 5,72,10);
StaticProcess p18("PJ", 6,26,1);
StaticProcess p19("PK", 10,24,17);
StaticProcess p20("PK2", 11,34,67); // not used!
std::string command("ERERERT"); // the sequence of commands to test
if(argc > 1)
command = argv[1];
DynamicSchedulable ss1(p1);
DynamicSchedulable ss2(p2);
DynamicSchedulable ss3(p3);
DynamicSchedulable ss4(p4);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss6(p6);
DynamicSchedulable ss7(p7);
DynamicSchedulable ss8(p8);
DynamicSchedulable ss9(p9);
DynamicSchedulable ss10(p10);
DynamicSchedulable ss11(p11);
DynamicSchedulable ss12(p12);
DynamicSchedulable ss13(p13);
DynamicSchedulable ss14(p14);
DynamicSchedulable ss15(p15);
DynamicSchedulable ss16(p16);
DynamicSchedulable ss17(p17);
DynamicSchedulable ss18(p18);
DynamicSchedulable ss19(p19); // not used!
// sets up the test data
StaticProcess p1("P1", 1, 5, 1);
StaticProcess p2("P2", 5, 55, 2);
StaticProcess p3("P3", 36, 30, 3);
StaticProcess p4("P4", 4, 26, 3);
StaticProcess p5("P5", 15, 200, 3);
StaticProcess p6("P6", 6, 250, 1);
StaticProcess p7("P7", 8, 42, 15);
StaticProcess p8("P8", 8, 56, 1);
StaticProcess p9("P9", 9, 42, 1);
StaticProcess p10("PA", 12, 42, 1);
StaticProcess p11("PB", 106, 42, 1);
StaticProcess p12("PC", 100, 42, 1);
StaticProcess p13("PD", 29, 42, 18);
StaticProcess p14("PE", 0, 42, 1);
StaticProcess p15("PF", 2, 88, 1);
StaticProcess p16("PG", 3666, 9, 1);
StaticProcess p17("PH", 5, 72, 10);
StaticProcess p18("PJ", 6, 26, 1);
StaticProcess p19("PK", 10, 24, 17);
StaticProcess p20("PK2", 11, 34, 67); // not used!
SchedulableQueue initial;
initial.add_at_bottom(ss1);
initial.add_at_bottom(ss2);
initial.add_at_bottom(ss3);
initial.add_at_bottom(ss4);
initial.add_at_bottom(ss5);
initial.add_at_bottom(ss6);
initial.add_at_bottom(ss7);
initial.add_at_bottom(ss8);
initial.add_at_bottom(ss9);
initial.add_at_bottom(ss10);
initial.add_at_bottom(ss11);
initial.add_at_bottom(ss12);
initial.add_at_bottom(ss13);
initial.add_at_bottom(ss14);
initial.add_at_bottom(ss15);
initial.add_at_bottom(ss16);
initial.add_at_bottom(ss17);
initial.add_at_bottom(ss18);
DynamicSchedulable ss1(p1);
DynamicSchedulable ss2(p2);
DynamicSchedulable ss3(p3);
DynamicSchedulable ss4(p4);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss6(p6);
DynamicSchedulable ss7(p7);
DynamicSchedulable ss8(p8);
DynamicSchedulable ss9(p9);
DynamicSchedulable ss10(p10);
DynamicSchedulable ss11(p11);
DynamicSchedulable ss12(p12);
DynamicSchedulable ss13(p13);
DynamicSchedulable ss14(p14);
DynamicSchedulable ss15(p15);
DynamicSchedulable ss16(p16);
DynamicSchedulable ss17(p17);
DynamicSchedulable ss18(p18);
DynamicSchedulable ss19(p19); // not used!
HistoryTester HT(initial);
//HT.test("EEEEREREEEERERRREEEEEEEETERRERERTTT");
HT.test("E");
HT.test("EE");
HT.test("EERE");
HT.test("EEEREE");
HT.test("EEEREE");
HT.test("EEER");
HT.test("EEEERER");
HT.test("EEER");
HT.test("EREE");
HT.test("EEEERERT");
HT.test("EEEERERTEEEERERT");
HT.test("EEEERERTEEETRERERT");
HT.test("EEEERERTEEEERRRERT");
HT.test("EEEEEEERERTERERT");
HT.test("EEEEREREEEERERRREEEEEEEETERRERERTTT");
//HT.test(command);
SchedulableQueue initial;
initial.add_at_bottom(ss1);
initial.add_at_bottom(ss2);
initial.add_at_bottom(ss3);
initial.add_at_bottom(ss4);
initial.add_at_bottom(ss5);
initial.add_at_bottom(ss6);
initial.add_at_bottom(ss7);
initial.add_at_bottom(ss8);
initial.add_at_bottom(ss9);
initial.add_at_bottom(ss10);
initial.add_at_bottom(ss11);
initial.add_at_bottom(ss12);
initial.add_at_bottom(ss13);
initial.add_at_bottom(ss14);
initial.add_at_bottom(ss15);
initial.add_at_bottom(ss16);
initial.add_at_bottom(ss17);
initial.add_at_bottom(ss18);
cout << std::endl << "\nend of test!\n";
exit(0);
HistoryTester HT(initial);
//HT.test("EEEEREREEEERERRREEEEEEEETERRERERTTT");
HT.test("E");
HT.test("EE");
HT.test("EERE");
HT.test("EEEREE");
HT.test("EEEREE");
HT.test("EEER");
HT.test("EEEERER");
HT.test("EEER");
HT.test("EREE");
HT.test("EEEERERT");
HT.test("EEEERERTEEEERERT");
HT.test("EEEERERTEEETRERERT");
HT.test("EEEERERTEEEERRRERT");
HT.test("EEEEEEERERTERERT");
HT.test("EEEEREREEEERERRREEEEEEEETERRERERTTT");
//HT.test(command);
cout << std::endl << "\nend of test!\n";
exit(0);
}

113
src/testsuite/test-parse_command.cc
View File

@ -18,7 +18,7 @@
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/* This executable tests for workingness of the parseCommand method in the
/* This executable tests for workingness of the parseCommand method in the
* classTextSimulation class and the StandardIO class. */
#include "standard_io.hh"
@ -46,72 +46,73 @@
namespace sgpem
{
/* History stub: every public method does nothing except printing
in std::cout the signature and the parameters. */
/* History stub: every public method does nothing except printing
in std::cout the signature and the parameters. */
class TestHistory : public History
{
public:
memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time)
{
std::cout << "get_scheduled_at" << time;
return History::get_scheduled_at(time);
}
memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const
{
std::cout << "get_simulation_status_at" << time;
return History::get_simulation_status_at(time);
}
int get_current_time() const
{
std::cout << "getCurrentTime";
return History::get_current_time();
}
void enqueue_slice(const sgpem::SchedulableQueue& status)
{
std::cout << "enqueue_slice";
History::enqueue_slice(status);
}
void truncate_at(int instant)
{
std::cout << "TruncateAt" << instant;
History::truncate_at(instant);
}
// The following method is not used by the user interface
static History& get_instance();
memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time)
{
std::cout << "get_scheduled_at" << time;
return History::get_scheduled_at(time);
}
memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const
{
std::cout << "get_simulation_status_at" << time;
return History::get_simulation_status_at(time);
}
int get_current_time() const
{
std::cout << "getCurrentTime";
return History::get_current_time();
}
void enqueue_slice(const sgpem::SchedulableQueue& status)
{
std::cout << "enqueue_slice";
History::enqueue_slice(status);
}
void truncate_at(int instant)
{
std::cout << "TruncateAt" << instant;
History::truncate_at(instant);
}
// The following method is not used by the user interface
static History& get_instance();
private:
static TestHistory* _instance;
static TestHistory* _instance;
};
TestHistory* TestHistory::_instance = 0;
TestHistory* TestHistory::_instance = 0;
History&
TestHistory::get_instance()
{
if(!_instance)
_instance = new TestHistory();
return *_instance;
}
History&
TestHistory::get_instance()
{
if(!_instance)
_instance = new TestHistory();
return *_instance;
}
}//~ namespace sgpem
int
main(int, char**) {
using namespace sgpem;
main(int, char**)
{
using namespace sgpem;
Scheduler::get_instance(); // Forces initialization of scheduler.
// Cross fingers (depends if PythonPolicyManager
// static object has been initialized before?).
Scheduler::get_instance(); // Forces initialization of scheduler.
// Cross fingers (depends if PythonPolicyManager
// static object has been initialized before?).
//initialize history
TestHistory::get_instance();
//textual IO
memory::smart_ptr<IOManager> io(new StandardIO());
text_sim.add_io_device(io);
text_sim.update();
text_sim.run();
exit(0);
//initialize history
TestHistory::get_instance();
//textual IO
memory::smart_ptr<IOManager> io(new StandardIO());
text_sim.add_io_device(io);
text_sim.update();
text_sim.run();
exit(0);
}

421
src/testsuite/test-stepforward.cc
View File

@ -46,165 +46,162 @@
namespace sgpem
{
/** An hard-coded Priority Round Robin policy
* It's actually called PRRPolicy, altough my personal taste would have suggested
* naming it
* Prioriy-Reliant Roughly-Realized Recently-Reimplemented Round-Robin Policy,
* i.e. PRRRRRRR-Policy.
* it adds a new constructor taking the quantum size (time slice)*/
/** An hard-coded Priority Round Robin policy
* It's actually called PRRPolicy, altough my personal taste would have suggested
* naming it
* Prioriy-Reliant Roughly-Realized Recently-Reimplemented Round-Robin Policy,
* i.e. PRRRRRRR-Policy.
* it adds a new constructor taking the quantum size (time slice)*/
class PRRPolicy : public Policy
class PRRPolicy : public Policy
{
public:
Policy()
{
public:
_instance = this;
}
Policy()
{
_instance = this;
}
Policy(int quantum) : _quantum(quantum)
{
_instance = this;
}
static Policy& get_instance()
{
if(!_instance) _instance = new Policy(3); // quantum size
return *_instance;
}
virtual ~Policy()
{
}
virtual void configure()
{
}
virtual void sort_queue() const throw(UserInterruptException)
{ // here a lot of fun, exactly O(n^2) fun!
SchedulableQueue sl = History.get_instance().get_simulation_status_at(get_current_time());
for (int i = 0; i < sl.size(); i++)
{
for (int j = 0; j < sl.size()-1; j++)
{
if (sl.get_item_at(j).get_schedulable().get_priority() < sl.get_item_at(j+1).get_schedulable().get_priority())
{
sl.swap(j, j+1);
}
}
}
}
int get_id() const
{
return 42;
}
virtual Glib::ustring get_description()
{
return "42";
}
virtual bool is_pre_emptive() const throw(UserInterruptException)
{
return 1;
}
virtual int get_time_slice() const throw(UserInterruptException)
{
return _quantum;
}
PolicyParameters& get_parameters()
{
return _parameters;
}
protected:
PolicyParameters _parameters;
int _id;
int _quantum;
private:
static Policy* _instance;
};
Policy*
PRRPolicy::_instance = NULL;
// A PolicyManager stub
class PolicyManager
Policy(int quantum) : _quantum(quantum)
{
public:
_instance = this;
}
PolicyManager();
virtual ~PolicyManager();
virtual Policy& get_policy()
{
return PRRPolicy.get_instance();
}
virtual void init()
{
}
static PolicyManager& get_registered_manager();
private:
static PolicyManager* _registered;
};
PolicyManager*
PolicyManager::_registered = NULL;
PolicyManager::PolicyManager()
static Policy& get_instance()
{
_registered = this;
if(!_instance) _instance = new Policy(3); // quantum size
return *_instance;
}
virtual ~Policy()
{}
virtual void configure()
{}
virtual void sort_queue() const throw(UserInterruptException)
{ // here a lot of fun, exactly O(n^2) fun!
SchedulableQueue sl = History.get_instance().get_simulation_status_at(get_current_time());
for (int i = 0; i < sl.size(); i++)
{
for (int j = 0; j < sl.size() - 1; j++)
{
if (sl.get_item_at(j).get_schedulable().get_priority() < sl.get_item_at(j + 1).get_schedulable().get_priority())
{
sl.swap(j, j + 1);
}
}
}
}
int get_id() const
{
return 42;
}
virtual Glib::ustring get_description()
{
return "42";
}
virtual bool is_pre_emptive() const throw(UserInterruptException)
{
return 1;
}
virtual int get_time_slice() const throw(UserInterruptException)
{
return _quantum;
}
PolicyParameters& get_parameters()
{
return _parameters;
}
PolicyManager::~PolicyManager()
{
if(_registered == this) _registered = NULL;
}
protected:
PolicyManager&
PolicyManager::get_registered_manager()
{
return *_registered;
}
PolicyParameters _parameters;
int _id;
int _quantum;
private:
// a History stub, should only save the last state included. but...
class History : public ObservedSubject
{
public:
memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time) const {}
memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const;
int get_current_time() const {return _total_time_elapsed;}
void enqueue_slice(const sgpem::SchedulableQueue& status);
void truncate_at(int instant) {}
static History& get_instance();
private:
History(int); //private constructor. The parameter is discarded
static History _instance;
int _total_time_elapsed;
std::vector<sgpem::Slice> _slices;
static Policy* _instance;
};
History&
History::get_instance()
{
if(!_instance) _instance = new Policy(3); // quantum size
return *_instance;
}
Policy*
PRRPolicy::_instance = NULL;
// A PolicyManager stub
class PolicyManager
{
public:
PolicyManager();
virtual ~PolicyManager();
virtual Policy& get_policy()
{
return PRRPolicy.get_instance();
}
virtual void init()
{}
static PolicyManager& get_registered_manager();
private:
static PolicyManager* _registered;
};
PolicyManager*
PolicyManager::_registered = NULL;
PolicyManager::PolicyManager()
{
_registered = this;
}
PolicyManager::~PolicyManager()
{
if(_registered == this) _registered = NULL;
}
PolicyManager&
PolicyManager::get_registered_manager()
{
return *_registered;
}
// a History stub, should only save the last state included. but...
class History : public ObservedSubject
{
public:
memory::smart_ptr<sgpem::DynamicSchedulable> get_scheduled_at(int time) const {}
memory::smart_ptr<sgpem::SchedulableQueue> get_simulation_status_at(int time) const;
int get_current_time() const {return _total_time_elapsed;}
void enqueue_slice(const sgpem::SchedulableQueue& status);
void truncate_at(int instant) {}
static History& get_instance();
private:
History(int); //private constructor. The parameter is discarded
static History _instance;
int _total_time_elapsed;
std::vector<sgpem::Slice> _slices;
};
History&
History::get_instance()
{
if(!_instance) _instance = new Policy(3); // quantum size
return *_instance;
}
@ -217,85 +214,85 @@ namespace sgpem
class StepForwardTester
{
}
// from here and further until the bottom, all to throw away I suppose
int
main(int argc, char** argv) {
main(int argc, char** argv)
{
using namespace sgpem;
using Glib::Module;
using namespace sgpem;
using Glib::Module;
std::string command(ERERERT); // the sequence of commands to test
std::string command(ERERERT); // the sequence of commands to test
// sets up the test data
StaticProcess p1("P1", 1,5,1);
StaticProcess p2("P2", 5,55,2);
StaticProcess p3("P3", 36,30,3);
StaticProcess p4("P4", 4,26,3);
StaticProcess p5("P5", 15,200,3);
StaticProcess p6("P6", 6,250,1);
StaticProcess p7("P7", 8,42,15);
StaticProcess p8("P8", 8,56,1);
StaticProcess p9("P9", 9,42,1);
StaticProcess p10("PA", 12,42,1);
StaticProcess p11("PB", 106,42,1);
StaticProcess p12("PC", 100,42,1);
StaticProcess p13("PD", 29,42,18);
StaticProcess p14("PE", 0,42,1);
StaticProcess p15("PF", 2,88,1);
StaticProcess p16("PG", 3666,9,1);
StaticProcess p17("PH", 5,72,10);
StaticProcess p18("PJ", 6,26,1);
StaticProcess p19("PK", 10,24,17);
StaticProcess p20("PK2", 11,34,67); // not used!
// sets up the test data
StaticProcess p1("P1", 1, 5, 1);
StaticProcess p2("P2", 5, 55, 2);
StaticProcess p3("P3", 36, 30, 3);
StaticProcess p4("P4", 4, 26, 3);
StaticProcess p5("P5", 15, 200, 3);
StaticProcess p6("P6", 6, 250, 1);
StaticProcess p7("P7", 8, 42, 15);
StaticProcess p8("P8", 8, 56, 1);
StaticProcess p9("P9", 9, 42, 1);
StaticProcess p10("PA", 12, 42, 1);
StaticProcess p11("PB", 106, 42, 1);
StaticProcess p12("PC", 100, 42, 1);
StaticProcess p13("PD", 29, 42, 18);
StaticProcess p14("PE", 0, 42, 1);
StaticProcess p15("PF", 2, 88, 1);
StaticProcess p16("PG", 3666, 9, 1);
StaticProcess p17("PH", 5, 72, 10);
StaticProcess p18("PJ", 6, 26, 1);
StaticProcess p19("PK", 10, 24, 17);
StaticProcess p20("PK2", 11, 34, 67); // not used!
DynamicSchedulable ss1(p1);
DynamicSchedulable ss2(p2);
DynamicSchedulable ss3(p3);
DynamicSchedulable ss4(p4);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss6(p6);
DynamicSchedulable ss7(p7);
DynamicSchedulable ss8(p8);
DynamicSchedulable ss9(p9);
DynamicSchedulable ss10(p10);
DynamicSchedulable ss11(p11);
DynamicSchedulable ss12(p12);
DynamicSchedulable ss13(p13);
DynamicSchedulable ss14(p14);
DynamicSchedulable ss15(p15);
DynamicSchedulable ss16(p16);
DynamicSchedulable ss17(p17);
DynamicSchedulable ss18(p18);
DynamicSchedulable ss19(p19); // not used!
DynamicSchedulable ss1(p1);
DynamicSchedulable ss2(p2);
DynamicSchedulable ss3(p3);
DynamicSchedulable ss4(p4);
DynamicSchedulable ss5(p5);
DynamicSchedulable ss6(p6);
DynamicSchedulable ss7(p7);
DynamicSchedulable ss8(p8);
DynamicSchedulable ss9(p9);
DynamicSchedulable ss10(p10);
DynamicSchedulable ss11(p11);
DynamicSchedulable ss12(p12);
DynamicSchedulable ss13(p13);
DynamicSchedulable ss14(p14);
DynamicSchedulable ss15(p15);
DynamicSchedulable ss16(p16);
DynamicSchedulable ss17(p17);
DynamicSchedulable ss18(p18);
DynamicSchedulable ss19(p19); // not used!
SchedulableQueue initial;
initial.add_at_bottom(ss1);
initial.add_at_bottom(ss2);
initial.add_at_bottom(ss3);
initial.add_at_bottom(ss4);
initial.add_at_bottom(ss5);
initial.add_at_bottom(ss6);
initial.add_at_bottom(ss7);
initial.add_at_bottom(ss8);
initial.add_at_bottom(ss9);
initial.add_at_bottom(ss10);
initial.add_at_bottom(ss11);
initial.add_at_bottom(ss12);
initial.add_at_bottom(ss13);
initial.add_at_bottom(ss14);
initial.add_at_bottom(ss15);
initial.add_at_bottom(ss16);
initial.add_at_bottom(ss17);
initial.add_at_bottom(ss18);
SchedulableQueue initial;
initial.add_at_bottom(ss1);
initial.add_at_bottom(ss2);
initial.add_at_bottom(ss3);
initial.add_at_bottom(ss4);
initial.add_at_bottom(ss5);
initial.add_at_bottom(ss6);
initial.add_at_bottom(ss7);
initial.add_at_bottom(ss8);
initial.add_at_bottom(ss9);
initial.add_at_bottom(ss10);
initial.add_at_bottom(ss11);
initial.add_at_bottom(ss12);
initial.add_at_bottom(ss13);
initial.add_at_bottom(ss14);
initial.add_at_bottom(ss15);
initial.add_at_bottom(ss16);
initial.add_at_bottom(ss17);
initial.add_at_bottom(ss18);
HistoryTester HT(initial);
HT.test("ERERERERTTTETRERERETETTTTTTTTTTTTTT");
HistoryTester HT(initial);
HT.test("ERERERERTTTETRERERETETTTTTTTTTTTTTT");
exit(0);
exit(0);
}

941
src/text_simulation.cc
View File

@ -34,500 +34,499 @@ using Glib::ustring;
#include "smartp.tcc"
TextSimulation::~TextSimulation()
{
}
{}
/**
Adds an IO_device and creates a thread which loops the read-parse-execute process
Adds an IO_device and creates a thread which loops the read-parse-execute process
*/
void
void
TextSimulation::add_io_device(smart_ptr<IOManager> io)
{
_devices.push_back(io);
pair<TextSimulation*, int> p(this, 0);
if (!io->is_full_duplex())
Thread::create( sigc::bind(&TextSimulation::_io_loop, p), true);
_devices.push_back(io);
pair<TextSimulation*, int> p(this, 0);
if (!io->is_full_duplex())
Thread::create( sigc::bind(&TextSimulation::_io_loop, p), true);
}
void
void
TextSimulation::parse_command(pair< pair<TextSimulation*, IOManager*>, const ustring > p)
{
TextSimulation* obj = p.first.first;
ustring str = p.second;
//looks for the IOManager who sent the command
uint quale = 0;
for (; quale < obj->_devices.size(); quale++)
if (p.first.second == &(*obj->_devices[quale]))
break;
if (str.length() == 0)
return;
//CAPITALIZE alla grguments
str = str.uppercase();
vector<ustring> arguments;
uint f=0;
static const ustring whitespaces = " \r\b\n\t\a";
//fills the vector with parameters
while (true)
{
f = str.find_first_of(whitespaces);
if (f > str.length())
{
//the end of the string
arguments.push_back(str);
break;
}
else
{
//add the token
arguments.push_back(str.substr(0, f));
//trim the initial whitespaces
str = str.substr(f+1);
f = str.find_first_not_of(whitespaces);
str = str.substr(f);
}
}
if (arguments.size() == 0)
return;
bool show_help = false;
int param = 0;
TextSimulation* obj = p.first.first;
ustring str = p.second;
//looks for the IOManager who sent the command
uint quale = 0;
for (; quale < obj->_devices.size(); quale++)
if (p.first.second == &(*obj->_devices[quale]))
break;
if (str.length() == 0)
return;
//CAPITALIZE alla grguments
str = str.uppercase();
vector<ustring> arguments;
uint f = 0;
static const ustring whitespaces = " \r\b\n\t\a";
//fills the vector with parameters
while (true)
{
f = str.find_first_of(whitespaces);
if (f > str.length())
{
//the end of the string
arguments.push_back(str);
break;
}
else
{
//add the token
arguments.push_back(str.substr(0, f));
//trim the initial whitespaces
str = str.substr(f + 1);
f = str.find_first_not_of(whitespaces);
str = str.substr(f);
}
}
if (arguments.size() == 0)
return;
bool show_help = false;
int param = 0;
check:
if (arguments[param] == "RUN")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- RUN COMMAND --\nStarts the simulation. It can be continuous or step-by-step"
" depending on the mode configured with SetMode (default=continuous).\n\n"
"The output of RUN is one or more rows each of which represents the state of the "
"schedulable entities. It can be RUNNING, READY, BLOCKED, FUTURE or TERMINATED."
"\nThe row begins with the number of the instant described by the following lists of states. "
"The instant 0 represents the INITIAL STATE during which no process is running. The scheduler "
"activity begins at instant 1. Each schedulable entity is represented by its name followed "
"by its priority enclosed between round parenthesis."));
return;
}
try
{
obj->run();
}
catch(UserInterruptException e)
{
obj->_devices[quale]->write_buffer(_("\nERROR: "));
obj->_devices[quale]->write_buffer(_(e.what()));
obj->_devices[quale]->write_buffer(_("\nSimulation is now stopped"));
}
}
else if (arguments[param] == "PAUSE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- PAUSE COMMAND --\nPauses the simulation. The next call to RUN will restart it."));
return;
}
obj->pause();
}
else if (arguments[param] == "STOP")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- STOP COMMAND --\nStops the simulation. The next call to RUN will "
"bring the simulation to the FIRST instant and start it."));
return;
}
obj->stop();
}
else if (arguments[param] == "RESET")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- RESET COMMAND --\nResets the simulation jumping back to the first instant."));
return;
}
obj->reset();
}
else if (arguments[param] == "QUIT")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- QUIT COMMAND --\nExits the program."));
return;
}
obj->_devices[quale]->write_buffer(_("\n\n*** Thank you for using SGPEM by Sirius Cybernetics Corporation ***\n\n"));
exit(1);
}
else if (arguments[param] == "HELP")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- Do you really want me to explain what HELP means? --"
"\n ************** YOU ARE JOKING ME !!! ************\n\n"));
exit(1);
}
if (arguments.size() == 1)
{
obj->_devices[quale]->write_buffer( "\nAvaiable commands:\nRUN\nPAUSE\nSTOP\nRESET\nQUIT\nHELP"
"\nGETMODE\nSETMODE\nSETTIMER\nGETTIMER\nJUMPTO\nGETPOLICY"
"\nSETPOLICY\nGETPOLICYATTRIBUTES"
"\n\nHELP followed by a command shows help about it."
"\n ex. HELP RUN shows help about the command RUN");
return;
}
show_help = true;
param = 1;
goto check;
}
else if (arguments[param] == "SETMODE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetMode COMMAND --\nPermits to change the mode of the simulation.\n\nSintax: Setmode <param>\n\t<param> can take values:\n"
"\n\t\tCONTINUOUS - when calling RUN the simulation will show an animation using the wait-interval set by SETTIMER\n"
"\n\t\tSTEP - when calling RUN the simulation will show only one step of the animation\n"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP SETMODE for the description of the sintax"));
return;
}
if (arguments[1] == "CONTINUOUS")
obj->set_mode(true);
else if (arguments[1] == "STEP")
obj->set_mode(false);
else
obj->_devices[quale]->write_buffer(_("\nERROR: the second parameter can be only CONTINUOUS or STEP"));
}
else if (arguments[param] == "GETMODE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetMode COMMAND --\nReturns\n\tCONTINUOUS : if the simulation is shown with an animation"
"\n\tSTEP : if if the simulation is shown step-by-step"));
return;
}
if (obj->get_mode())
obj->_devices[quale]->write_buffer(_("\nCONTINUOUS"));
else
obj->_devices[quale]->write_buffer(_("\nSTEP"));
}
else if (arguments[param] == "SETTIMER")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetTimer COMMAND --\nPermits to change the interval between a step and the following one during a continuous animation."
"\n\nSintax: SetTimer <param>\n\t<param> must be an integer value > 0 and < 10000.\n"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP SETTIMER for the description of the sintax"));
return;
}
int num;
if (string_to_int(arguments[1], num) && num > 0 && num < 10000)
obj->set_timer(num);
else
obj->_devices[quale]->write_buffer(_(
"\nERROR: the second parameter has a wrong value."
"\nType HELP SETTIMER for the description of the sintax"));
}
else if (arguments[param] == "GETTIMER")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetTimer COMMAND --\nReturns the number of milliseconds the simulation "
"in the continuous mode waits between a step and the following one"));
return;
}
ustring ss;
int_to_string(obj->get_timer(), ss);
obj->_devices[quale]->write_buffer(ss);
}
else if (arguments[param] == "JUMPTO")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- JumpTo COMMAND --\nPermits to jump to a desired instant of the simulation."
" All states of the simulation before <param> will be recalculated and printed out."
"\n\nSintax: JumpTo <param>\n\t<param> must be an integer value >= 0"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP JUMPTO for the description of the sintax"));
return;
}
int num;
if (string_to_int(arguments[1], num) && num >= 0)
obj->jump_to(num);
else
obj->_devices[quale]->write_buffer(_(
"\nERROR: the second parameter has a wrong value."
"\nType HELP JUMPTO for the description of the sintax"));
}
else if (arguments[param] == "GETPOLICY")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetPolicy COMMAND --\nReturns the name and the description of the current applied policy."));
return;
}
obj->_devices[quale]->write_buffer(obj->get_policy()->get_description());
}
else if(arguments[param] == "SETPOLICY")
{
if(show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetPolicy COMMAND --\nSelects the current applied policy."
"Syntax: SetPolicy <name>"));
return;
}
//FIXME assuming only one policy manager is present, but who cares, this
//is only temporary code...
PolicyManager* manager = PoliciesGatekeeper::get_instance().get_registered()[0];
if (arguments[param] == "RUN")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- RUN COMMAND --\nStarts the simulation. It can be continuous or step-by-step"
" depending on the mode configured with SetMode (default=continuous).\n\n"
"The output of RUN is one or more rows each of which represents the state of the "
"schedulable entities. It can be RUNNING, READY, BLOCKED, FUTURE or TERMINATED."
"\nThe row begins with the number of the instant described by the following lists of states. "
"The instant 0 represents the INITIAL STATE during which no process is running. The scheduler "
"activity begins at instant 1. Each schedulable entity is represented by its name followed "
"by its priority enclosed between round parenthesis."));
return;
}
vector<Policy*> available = manager->get_avail_policies();
try
{
obj->run();
}
catch(UserInterruptException e)
{
obj->_devices[quale]->write_buffer(_("\nERROR: "));
obj->_devices[quale]->write_buffer(_(e.what()));
obj->_devices[quale]->write_buffer(_("\nSimulation is now stopped"));
obj->_devices[quale]->write_buffer(arguments[1] + "\n");
for(vector<Policy*>::iterator it = available.begin(); it != available.end(); ++it)
{
if((*it)->get_name().casefold() == arguments[1].casefold())
{
obj->stop();
PoliciesGatekeeper::get_instance().activate_policy(&History::get_instance(), *it);
return;
}
}
}
}
else if (arguments[param] == "PAUSE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- PAUSE COMMAND --\nPauses the simulation. The next call to RUN will restart it."));
return;
}
obj->pause();
}
else if (arguments[param] == "STOP")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- STOP COMMAND --\nStops the simulation. The next call to RUN will "
"bring the simulation to the FIRST instant and start it."));
return;
}
obj->stop();
}
else if (arguments[param] == "RESET")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- RESET COMMAND --\nResets the simulation jumping back to the first instant."));
return;
}
obj->reset();
}
else if (arguments[param] == "QUIT")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- QUIT COMMAND --\nExits the program."));
return;
}
obj->_devices[quale]->write_buffer(_("\n\n*** Thank you for using SGPEM by Sirius Cybernetics Corporation ***\n\n"));
exit(1);
}
else if (arguments[param] == "HELP")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- Do you really want me to explain what HELP means? --"
"\n ************** YOU ARE JOKING ME !!! ************\n\n"));
exit(1);
}
if (arguments.size() == 1)
{
obj->_devices[quale]->write_buffer( "\nAvaiable commands:\nRUN\nPAUSE\nSTOP\nRESET\nQUIT\nHELP"
"\nGETMODE\nSETMODE\nSETTIMER\nGETTIMER\nJUMPTO\nGETPOLICY"
"\nSETPOLICY\nGETPOLICYATTRIBUTES"
"\n\nHELP followed by a command shows help about it."
"\n ex. HELP RUN shows help about the command RUN");
return;
}
show_help = true;
param = 1;
goto check;
}
else if (arguments[param] == "SETMODE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetMode COMMAND --\nPermits to change the mode of the simulation.\n\nSintax: Setmode <param>\n\t<param> can take values:\n"
"\n\t\tCONTINUOUS - when calling RUN the simulation will show an animation using the wait-interval set by SETTIMER\n"
"\n\t\tSTEP - when calling RUN the simulation will show only one step of the animation\n"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP SETMODE for the description of the sintax"));
return;
}
if (arguments[1] == "CONTINUOUS")
obj->set_mode(true);
else if (arguments[1] == "STEP")
obj->set_mode(false);
else
obj->_devices[quale]->write_buffer(_("\nERROR: the second parameter can be only CONTINUOUS or STEP"));
}
else if (arguments[param] == "GETMODE")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetMode COMMAND --\nReturns\n\tCONTINUOUS : if the simulation is shown with an animation"
"\n\tSTEP : if if the simulation is shown step-by-step"));
return;
}
if (obj->get_mode())
obj->_devices[quale]->write_buffer(_("\nCONTINUOUS"));
else
obj->_devices[quale]->write_buffer(_("\nSTEP"));
}
else if (arguments[param] == "SETTIMER")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetTimer COMMAND --\nPermits to change the interval between a step and the following one during a continuous animation."
"\n\nSintax: SetTimer <param>\n\t<param> must be an integer value > 0 and < 10000.\n"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP SETTIMER for the description of the sintax"));
return;
}
int num;
if (string_to_int(arguments[1], num) && num > 0 && num < 10000)
obj->set_timer(num);
else
obj->_devices[quale]->write_buffer(_(
"\nERROR: the second parameter has a wrong value."
"\nType HELP SETTIMER for the description of the sintax"));
}
else if (arguments[param] == "GETTIMER")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetTimer COMMAND --\nReturns the number of milliseconds the simulation "
"in the continuous mode waits between a step and the following one"));
return;
}
ustring ss;
int_to_string(obj->get_timer(), ss);
obj->_devices[quale]->write_buffer(ss);
}
else if (arguments[param] == "JUMPTO")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- JumpTo COMMAND --\nPermits to jump to a desired instant of the simulation."
" All states of the simulation before <param> will be recalculated and printed out."
"\n\nSintax: JumpTo <param>\n\t<param> must be an integer value >= 0"));
return;
}
if (arguments.size() != 2)
{
obj->_devices[quale]->write_buffer(_("\nERROR: wrong number of parameters."
"\nType HELP JUMPTO for the description of the sintax"));
return;
}
int num;
if (string_to_int(arguments[1], num) && num >= 0)
obj->jump_to(num);
else
obj->_devices[quale]->write_buffer(_(
"\nERROR: the second parameter has a wrong value."
"\nType HELP JUMPTO for the description of the sintax"));
}
else if (arguments[param] == "GETPOLICY")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetPolicy COMMAND --\nReturns the name and the description of the current applied policy."));
return;
}
obj->_devices[quale]->write_buffer(obj->get_policy()->get_description());
}
else if(arguments[param] == "SETPOLICY")
{
if(show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- SetPolicy COMMAND --\nSelects the current applied policy."
"Syntax: SetPolicy <name>"));
return;
}
obj->_devices[quale]->write_buffer(_(
"\nERROR: no policy found with that name."
"\nType HELP SETPOLICY for the description of the sintax"));
}
else if(arguments[param] == "LISTPOLICIES")
{
if(show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- ListPolicies COMMAND --\nShows the name of available policies."));
return;
}
//FIXME assuming only one policy manager is present, but who cares, this
//is only temporary code...
PolicyManager* manager = PoliciesGatekeeper::get_instance().get_registered()[0];
//FIXME assuming only one policy manager is present, but who cares, this
//is only temporary code...
PolicyManager* manager = PoliciesGatekeeper::get_instance().get_registered()[0];
vector<Policy*> available = manager->get_avail_policies();
for(vector<Policy*>::iterator it = available.begin(); it != available.end(); ++it)
{
// Glib::ustring str;
// int_to_string((int)*it, str);
// obj->_devices[quale]->write_buffer(str + "\n");
obj->_devices[quale]->write_buffer("\n" + (*it)->get_name());
}
}
else if (arguments[param] == "GETPOLICYATTRIBUTES")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetPolicyAttributes COMMAND --\nReturns the list of attributes of the current applied policy."
"\nThe description of each parameter includes:"
"\n\tthe NAME of the marameter with its type\n\tits current VALUE"
"\n\tits LOWER and UPPER bounds\n\twhether the parameter is REQUIRED"));
return;
}
ustring temp;
const PolicyParameters& param = obj->get_policy()->get_parameters();
map<ustring, PolicyParameters::Parameter<int> > map_i = param.get_registered_int_parameters();
map<ustring, PolicyParameters::Parameter<int> >::iterator i_i = map_i.begin();
for(; i_i != map_i.end(); i_i++)
{
obj->_devices[quale]->write_buffer("\nint\t" + i_i->second.get_name());
int_to_string(i_i->second.get_value(), temp);
obj->_devices[quale]->write_buffer("\tvalue=" + temp);
int_to_string(i_i->second.get_lower_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tlower=" + temp);
int_to_string(i_i->second.get_upper_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tupper=" + temp);
if (i_i->second.is_required())
obj->_devices[quale]->write_buffer("\t\trequired=true");
else
obj->_devices[quale]->write_buffer("\t\trequired=false");
}
map<ustring, PolicyParameters::Parameter<float> > map_f = param.get_registered_float_parameters();
map<ustring, PolicyParameters::Parameter<float> >::iterator i_f = map_f.begin();
for(; i_f != map_f.end(); i_f++)
{
obj->_devices[quale]->write_buffer("\nfloat\t" + i_f->second.get_name());
float_to_string(i_f->second.get_value(), temp);
obj->_devices[quale]->write_buffer("\tvalue=" + temp);
float_to_string(i_f->second.get_lower_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tlower=" + temp);
float_to_string(i_f->second.get_upper_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tupper=" + temp);
if (i_f->second.is_required())
obj->_devices[quale]->write_buffer("\t\trequired=true");
else
obj->_devices[quale]->write_buffer("\t\trequired=false");
}
map<ustring, PolicyParameters::Parameter<ustring> > map_s = param.get_registered_string_parameters();
map<ustring, PolicyParameters::Parameter<ustring> >::iterator i_s = map_s.begin();
for(; i_s != map_s.end(); i_s++)
{
obj->_devices[quale]->write_buffer("\nustring\t" + i_s->second.get_name());
obj->_devices[quale]->write_buffer("\tvalue=" + i_s->second.get_value());
if (i_s->second.is_required())
obj->_devices[quale]->write_buffer(" required=true");
else
obj->_devices[quale]->write_buffer(" required=false");
}
}
else
{
obj->_devices[quale]->write_buffer(_("\nCommand not recognized: "));
obj->_devices[quale]->write_buffer(arguments[param]);
obj->_devices[quale]->write_buffer(_("\nTyper HELP for a list of avaiable commands."));
return;
}
}
vector<Policy*> available = manager->get_avail_policies();
void
obj->_devices[quale]->write_buffer(arguments[1] + "\n");
for(vector<Policy*>::iterator it = available.begin(); it != available.end(); ++it)
{
if((*it)->get_name().casefold() == arguments[1].casefold())
{
obj->stop();
PoliciesGatekeeper::get_instance().activate_policy(&History::get_instance(), *it);
return;
}
}
obj->_devices[quale]->write_buffer(_(
"\nERROR: no policy found with that name."
"\nType HELP SETPOLICY for the description of the sintax"));
}
else if(arguments[param] == "LISTPOLICIES")
{
if(show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- ListPolicies COMMAND --\nShows the name of available policies."));
return;
}
//FIXME assuming only one policy manager is present, but who cares, this
//is only temporary code...
PolicyManager* manager = PoliciesGatekeeper::get_instance().get_registered()[0];
vector<Policy*> available = manager->get_avail_policies();
for(vector<Policy*>::iterator it = available.begin(); it != available.end(); ++it)
{
// Glib::ustring str;
// int_to_string((int)*it, str);
// obj->_devices[quale]->write_buffer(str + "\n");
obj->_devices[quale]->write_buffer("\n" + (*it)->get_name());
}
}
else if (arguments[param] == "GETPOLICYATTRIBUTES")
{
if (show_help)
{
obj->_devices[quale]->write_buffer(_(
"\n-- GetPolicyAttributes COMMAND --\nReturns the list of attributes of the current applied policy."
"\nThe description of each parameter includes:"
"\n\tthe NAME of the marameter with its type\n\tits current VALUE"
"\n\tits LOWER and UPPER bounds\n\twhether the parameter is REQUIRED"));
return;
}
ustring temp;
const PolicyParameters& param = obj->get_policy()->get_parameters();
map<ustring, PolicyParameters::Parameter<int> > map_i = param.get_registered_int_parameters();
map<ustring, PolicyParameters::Parameter<int> >::iterator i_i = map_i.begin();
for(; i_i != map_i.end(); i_i++)
{
obj->_devices[quale]->write_buffer("\nint\t" + i_i->second.get_name());
int_to_string(i_i->second.get_value(), temp);
obj->_devices[quale]->write_buffer("\tvalue=" + temp);
int_to_string(i_i->second.get_lower_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tlower=" + temp);
int_to_string(i_i->second.get_upper_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tupper=" + temp);
if (i_i->second.is_required())
obj->_devices[quale]->write_buffer("\t\trequired=true");
else
obj->_devices[quale]->write_buffer("\t\trequired=false");
}
map<ustring, PolicyParameters::Parameter<float> > map_f = param.get_registered_float_parameters();
map<ustring, PolicyParameters::Parameter<float> >::iterator i_f = map_f.begin();
for(; i_f != map_f.end(); i_f++)
{
obj->_devices[quale]->write_buffer("\nfloat\t" + i_f->second.get_name());
float_to_string(i_f->second.get_value(), temp);
obj->_devices[quale]->write_buffer("\tvalue=" + temp);
float_to_string(i_f->second.get_lower_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tlower=" + temp);
float_to_string(i_f->second.get_upper_bound(), temp);
obj->_devices[quale]->write_buffer("\t\tupper=" + temp);
if (i_f->second.is_required())
obj->_devices[quale]->write_buffer("\t\trequired=true");
else
obj->_devices[quale]->write_buffer("\t\trequired=false");
}
map<ustring, PolicyParameters::Parameter<ustring> > map_s = param.get_registered_string_parameters();
map<ustring, PolicyParameters::Parameter<ustring> >::iterator i_s = map_s.begin();
for(; i_s != map_s.end(); i_s++)
{
obj->_devices[quale]->write_buffer("\nustring\t" + i_s->second.get_name());
obj->_devices[quale]->write_buffer("\tvalue=" + i_s->second.get_value());
if (i_s->second.is_required())
obj->_devices[quale]->write_buffer(" required=true");
else
obj->_devices[quale]->write_buffer(" required=false");
}
}
else
{
obj->_devices[quale]->write_buffer(_("\nCommand not recognized: "));
obj->_devices[quale]->write_buffer(arguments[param]);
obj->_devices[quale]->write_buffer(_("\nTyper HELP for a list of avaiable commands."));
return;
}
}
void
TextSimulation::update()
{
History& h = History::get_instance();
int when, arr;
ustring temp;
when = h.get_current_time();
smart_ptr<SchedulableQueue> ll = h.get_simulation_status_at(when);
for (uint dev=0; dev < _devices.size(); dev++)
{
int_to_string(when, temp);
if (when<10)
_devices[dev]->write_buffer("\n ");
else
_devices[dev]->write_buffer("\n");
_devices[dev]->write_buffer(temp + ") [RUNS]");
//insert the RUNNING ONE
smart_ptr<DynamicSchedulable> running = h.get_scheduled_at(when);
if (running)
{
arr = running->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + running->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[READY]");
//insert the READY ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_ready)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[BLOCKED]");
//insert the BLOCKED ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_blocked)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[FUTURE]");
//insert the FUTURE ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_future)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[TERM]");
//insert the TERMINATED ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_terminated)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
}
History& h = History::get_instance();
int when, arr;
ustring temp;
when = h.get_current_time();
smart_ptr<SchedulableQueue> ll = h.get_simulation_status_at(when);
for (uint dev = 0; dev < _devices.size(); dev++)
{
int_to_string(when, temp);
if (when < 10)
_devices[dev]->write_buffer("\n ");
else
_devices[dev]->write_buffer("\n");
_devices[dev]->write_buffer(temp + ") [RUNS]");
//insert the RUNNING ONE
smart_ptr<DynamicSchedulable> running = h.get_scheduled_at(when);
if (running)
{
arr = running->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + running->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[READY]");
//insert the READY ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_ready)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[BLOCKED]");
//insert the BLOCKED ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_blocked)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[FUTURE]");
//insert the FUTURE ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_future)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
_devices[dev]->write_buffer(" --[TERM]");
//insert the TERMINATED ones
for (uint i = 0; i < ll->size(); i++)
if (ll->get_item_at(i)->get_state() == DynamicSchedulable::state_terminated)
{
arr = ll->get_item_at(i)->get_schedulable()->get_arrival_time();
int_to_string(arr, temp);
_devices[dev]->write_buffer(" " + ll->get_item_at(i)->get_schedulable()->get_name() + "_(" + temp + ")");
}
}
}
void
void
TextSimulation::_io_loop(pair<TextSimulation* , int > pun)
{
while(true)
{
//reads the command
ustring str;
//the sgpem cursor appears only in the console
//if (!pun.first->_devices[pun.second]->is_full_duplex())
pun.first->_devices[pun.second]->write_buffer("\nSGPEM=> ");
str = pun.first->_devices[pun.second]->read_command();
pair< pair<TextSimulation*, IOManager*>, const ustring > p
(pair<TextSimulation*, IOManager*>(pun.first, &(*pun.first->_devices[pun.second])), str);
//if (pun.first->_devices[pun.second]->is_full_duplex())
//if the IOManager can read AND write at the same time then create a new thread
//thath will write to it while going on reading the next command
//Thread::create( sigc::bind(&TextSimulation::parse_command, p), true);
//else
//no read is possible: only write
pun.first->parse_command(p);
}
while(true)
{
//reads the command
ustring str;
//the sgpem cursor appears only in the console
//if (!pun.first->_devices[pun.second]->is_full_duplex())
pun.first->_devices[pun.second]->write_buffer("\nSGPEM=> ");
str = pun.first->_devices[pun.second]->read_command();
pair< pair<TextSimulation*, IOManager*>, const ustring > p
(pair<TextSimulation*, IOManager*>(pun.first, &(*pun.first->_devices[pun.second])), str);
//if (pun.first->_devices[pun.second]->is_full_duplex())
//if the IOManager can read AND write at the same time then create a new thread
//thath will write to it while going on reading the next command
//Thread::create( sigc::bind(&TextSimulation::parse_command, p), true);
//else
//no read is possible: only write
pun.first->parse_command(p);
}
}

130
src/text_simulation.hh
View File

@ -38,92 +38,92 @@
namespace sgpem
{
class TextSimulation;
class TextSimulation;
/**
/**
\brief Concrete \ref Simulation subclass with a text-based user interface.
A command-based interface is used, so methods of the base class can be called with
a proper command string obtained from the input device(s).
Any object returned after the call to Simulation will be returned to the output
devices(s) in a human-readable format.
*/
class SG_DLLEXPORT TextSimulation : public Simulation, public sigc::trackable
{
public:
~TextSimulation();
/**
\brief Executes a command read from an input device.
*/
class SG_DLLEXPORT TextSimulation : public Simulation, public sigc::trackable
{
public:
~TextSimulation();
A list of supported commands follows:
\li help \<string\> <br>
If \<string\> is a valid command, usage instructions are printed
for the command.
/**
\brief Executes a command read from an input device.
\li run <br>
Calls run()
A list of supported commands follows:
\li help \<string\> <br>
If \<string\> is a valid command, usage instructions are printed
for the command.
\li pause <br>
Calls pause()
\li run <br>
Calls run()
\li stop <br>
Calls stop()
\li pause <br>
Calls pause()
\li setmode \<bool\> <br>
Calls set_mode()
\li stop <br>
Calls stop()
\li getmode <br>
Calls get_mode()
\li setmode \<bool\> <br>
Calls set_mode()
\li settimer \<int\> <br>
Calls set_timer()
\li getmode <br>
Calls get_mode()
\li gettimer <br>
Calls get_timer()
\li reset <br>
Calls reset()
\li settimer \<int\> <br>
Calls set_timer()
\li jumpto \<int\> <br>
Calls jump_to()
\li gettimer <br>
Calls get_timer()
\li reset <br>
Calls reset()
\li setpolicy \<string\> <br>
Calls set_policy()
\li jumpto \<int\> <br>
Calls jump_to()
\li getpolicy <br>
Calls get_policy(), and prints the name and a description of
the returned policy
\li setpolicy \<string\> <br>
Calls set_policy()
\li getpolicies <br>
Calls get_avaiable_policies(), and prints a list of policy
descriptions in the same way as getpolicy does
\li getpolicy <br>
Calls get_policy(), and prints the name and a description of
the returned policy
\li setpolicyattributes \<name\> = \<value\>; \<name\> = \<value\>; <br>
Changes the value of the policy's attributes
\li getpolicyattributes <br>
Prints the name and the value of the policy's attributes
*/
static void parse_command(std::pair< std::pair<TextSimulation*, IOManager*>, const Glib::ustring >);
\li getpolicies <br>
Calls get_avaiable_policies(), and prints a list of policy
descriptions in the same way as getpolicy does
\li setpolicyattributes \<name\> = \<value\>; \<name\> = \<value\>; <br>
Changes the value of the policy's attributes
\li getpolicyattributes <br>
Prints the name and the value of the policy's attributes
*/
static void parse_command(std::pair< std::pair<TextSimulation*, IOManager*>, const Glib::ustring >);
/**
Adds an available I/O device.
*/
void add_io_device(memory::smart_ptr<IOManager>);
/**
Prints the actual state of the simulation, with emphasis on the current
status of the scheduling process (ready queue and running process).
*/
void update();
private:
std::vector<memory::smart_ptr<IOManager> > _devices;
static void _io_loop(std::pair<TextSimulation*, int>);
};
/**
Adds an available I/O device.
*/
void add_io_device(memory::smart_ptr<IOManager>);
/**
Prints the actual state of the simulation, with emphasis on the current
status of the scheduling process (ready queue and running process).
*/
void update();
private:
std::vector<memory::smart_ptr<IOManager> > _devices;
static void _io_loop(std::pair<TextSimulation*, int>);
};
}