- Added NullPolicyException to scheduler
- Started code for printing the state of the scheduling - Fixed a bug in the copy constructor of DynamicThread git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@794 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
elvez
parent
f26b80f76b
commit
6a88e3d85e
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@ -164,6 +164,7 @@ src_backend_libbackend_la_SOURCES = \
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src/backend/invalid_plugin_exception.cc \
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src/backend/key_file.cc \
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src/backend/module.cc \
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src/backend/null_policy_exception.cc \
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src/backend/plugin_manager.cc \
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src/backend/policies_gatekeeper.cc \
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src/backend/policy.cc \
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@ -199,6 +200,7 @@ pkginclude_HEADERS += \
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src/backend/invalid_plugin_exception.hh \
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src/backend/key_file.hh \
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src/backend/module.hh \
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src/backend/null_policy_exception.hh \
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src/backend/plugin.hh \
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src/backend/plugin_manager.hh \
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src/backend/policies_gatekeeper.hh \
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@ -176,7 +176,9 @@ PythonPolicy::wait_unlock() const throw(UserInterruptException)
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{
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Py_UNBLOCK_THREADS;
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usleep(WAIT_FOR); // hack'a'ton! magggggiccc nummmbeeerrrrrs!!
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cout << "got here..." << endl;
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Py_BLOCK_THREADS;
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cout << "wow I also got here!" << endl;
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PyObject* retval = PyObject_CallMethod(_adapter, "mutex_test_lock", NULL);
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assert(retval);
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@ -33,7 +33,7 @@ using namespace memory;
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using Glib::usleep;
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ConcreteSimulation::ConcreteSimulation() :
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_state(state_paused), _mode(true), _timer_interval(1000), _policy(NULL)
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_state(state_stopped), _mode(true), _timer_interval(1000), _policy(NULL)
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{}
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void
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@ -73,7 +73,7 @@ ConcreteSimulation::stop()
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}
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void
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ConcreteSimulation::run() throw(UserInterruptException)
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ConcreteSimulation::run() throw(UserInterruptException, NullPolicyException)
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{
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switch(_state)
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{
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@ -117,7 +117,12 @@ ConcreteSimulation::run() throw(UserInterruptException)
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try
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{
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assert(get_policy() != NULL);
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if(get_policy() == NULL)
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{
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stop();
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throw NullPolicyException("no policy selected");
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}
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//step forward
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Scheduler::get_instance().step_forward(_history, *get_policy());
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@ -33,7 +33,7 @@ namespace sgpem
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public:
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ConcreteSimulation();
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void run() throw(UserInterruptException);
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void run() throw(UserInterruptException, NullPolicyException);
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void pause();
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@ -49,8 +49,9 @@ DynamicThread::DynamicThread(StaticThread* core, DynamicProcess* parent)
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DynamicThread::DynamicThread(const DynamicThread &other, DynamicProcess* parent) :
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Schedulable(), DynamicSchedulable(other), Thread(),
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_state(other._state), _parent(parent), _ran_for(other._ran_for),
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_last_acquisition(other._last_acquisition), _last_release(other._last_release)
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_core(other._core), _state(other._state), _parent(parent),
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_ran_for(other._ran_for), _last_acquisition(other._last_acquisition),
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_last_release(other._last_release)
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{
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typedef vector<DynamicRequest*>::const_iterator ReqIt;
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@ -0,0 +1,32 @@
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// src/backend/null_policy_exception.cc - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// Warning! This exception will be thrown across different libraries.
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// It could be necessary to do dynamic type-checking when
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// catching it (with typeinfo).
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#include "null_policy_exception.hh"
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using namespace sgpem;
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NullPolicyException::NullPolicyException(const char* msg)
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: std::runtime_error(msg)
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{}
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NullPolicyException::~NullPolicyException() throw() {}
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@ -0,0 +1,46 @@
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// src/backend/null_policy_exception.hh - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// Warning! This exception will be thrown across different libraries.
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// It could be necessary to do dynamic type-checking when
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// catching it (with typeinfo).
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#ifndef NULL_POLICY_EXCEPTION
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#define NULL_POLICY_EXCEPTION 1
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#include "config.h"
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#include <stdexcept>
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namespace sgpem
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{
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class NullPolicyException;
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class SG_DLLEXPORT NullPolicyException : public std::runtime_error
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{
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public:
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NullPolicyException(const char* msg = "");
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virtual ~NullPolicyException() throw ();
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private:
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};
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} //~ namespace sgpem
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#endif
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@ -57,6 +57,13 @@ ReadyQueue::get_item_at(position index)
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return *_scheds.at(index);
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}
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const sgpem::Thread&
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ReadyQueue::get_item_at(position index) const
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throw (std::out_of_range)
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{
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// Checks index access
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return *_scheds.at(index);
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}
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void
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ReadyQueue::append(Thread& thread)
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@ -40,6 +40,7 @@ namespace sgpem
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void swap(position a, position b) throw (std::out_of_range);
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size_t size() const;
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Thread& get_item_at(position index) throw (std::out_of_range);
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const Thread& get_item_at(position index) const throw (std::out_of_range);
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void append(Thread& schedulable);
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private:
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@ -32,6 +32,7 @@ namespace sgpem
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#include "singleton.hh"
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#include "user_interrupt_exception.hh"
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#include "null_policy_exception.hh"
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#include <vector>
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namespace sgpem
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@ -76,7 +77,7 @@ namespace sgpem
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Advances the simulation by one or more steps, depending on the
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actual state and on the value set with set_mode().
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*/
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virtual void run() throw(UserInterruptException) = 0;
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virtual void run() throw(UserInterruptException, NullPolicyException) = 0;
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/**
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\brief Pauses a running simulation.
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@ -23,10 +23,14 @@
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#include "backend/global_preferences.hh"
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#include "backend/plugin_manager.hh"
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#include "backend/policy_manager.hh"
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#include "backend/policies_gatekeeper.hh"
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#include "backend/module.hh"
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#include "text_simulation.hh"
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#include "io_manager.hh"
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#include "gui_builder.hh"
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#include "parse_opts.hh"
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#
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#include <glibmm/optioncontext.h>
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#include <gtkmm/main.h>
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@ -35,7 +39,7 @@
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#include <iostream>
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using namespace sgpem;
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using namespace std;
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void
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parse_options(int argc, char** argv)
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@ -110,7 +114,16 @@ parse_options(int argc, char** argv)
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// Now that GlobalPreferences has been initialized properly,
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// initialize plugins, too
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PluginManager::get_instance();
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vector<Module*> modules = PluginManager::get_instance().get_module_list();
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for(vector<Module*>::iterator it = modules.begin(); it != modules.end(); ++it)
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(*it)->set_enabled(true);
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vector<PolicyManager*> managers = PoliciesGatekeeper::get_instance().get_registered();
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for(vector<PolicyManager*>::iterator it = managers.begin(); it != managers.end(); ++it)
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(*it)->init();
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if(no_gui_enabled)
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{
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@ -89,10 +89,13 @@ namespace sgpem
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}
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TextSimulation::TextSimulation()
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{
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}
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TextSimulation::~TextSimulation()
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{}
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{
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}
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/**
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Adds an IO_device and creates a thread which loops the read-parse-execute process
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@ -120,7 +123,7 @@ TextSimulation::check_arguments_num(const Tokens& arguments, unsigned int num)
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return false;
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}
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else if(arguments.size() > num)
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p_stderr(_("\nWARNING: some arguments will be ignored"));
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p_stderr(_("\nWARNING: some arguments will be ignored\n"));
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return true;
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}
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@ -187,10 +190,12 @@ template <typename T>
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void
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TextSimulation::get_parameter(CommandParameter<T>& parameter)
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{
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bool correct = true;
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bool correct;
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do
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{
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correct = true;
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ostringstream buf;
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buf << "\n";
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@ -333,6 +338,9 @@ TextSimulation::on_run(const Tokens& arguments)
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{
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check_arguments_num(arguments, 0);
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// Listen for updates only during scheduling
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Simulation::get_instance().get_history().attach(*this);
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try
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{
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Simulation::get_instance().run();
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@ -343,6 +351,14 @@ TextSimulation::on_run(const Tokens& arguments)
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p_stderr(e.what());
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p_stderr(_("\nSimulation is now stopped"));
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}
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catch(NullPolicyException e)
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{
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p_stderr(_("\nERROR: "));
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p_stderr(e.what());
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p_stderr(_("\nSimulation is now stopped"));
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}
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Simulation::get_instance().get_history().detach(*this);
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}
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void
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@ -920,10 +936,10 @@ TextSimulation::on_show_cpu_policies(const Tokens& arguments)
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oss << "\t" << (*it)->get_description() << endl;
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p_stdout(oss.str());
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}
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++index;
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}
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}
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}
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void
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TextSimulation::on_show_resource_policies(const Tokens& arguments)
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@ -944,7 +960,10 @@ TextSimulation::on_add(const Tokens& arguments)
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}
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if(Simulation::get_instance().get_state() != Simulation::state_stopped)
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p_stderr(_("WARNING: Simulation is not stopped, it will be automatically stopped"));
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{
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p_stderr(_("WARNING: Simulation is not stopped, it will be automatically stopped\n"));
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Simulation::get_instance().stop();
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}
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//make a local copy which we'll probably modify
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Tokens args = arguments;
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@ -1034,7 +1053,7 @@ TextSimulation::on_add_thread(const Tokens& arguments)
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}
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CommandParameter<ustring> name(_("name"), "", "", false, "");
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CommandParameter<int> cpu_time(_("cpu time"), 0, INT_MAX, true, 0);
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CommandParameter<int> cpu_time(_("cpu time"), 1, INT_MAX, true, 0);
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CommandParameter<int> arrival_time(_("arrival time"), 0, INT_MAX, false, 0);
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CommandParameter<int> base_priority(_("base priority"), 0, INT_MAX, false, 0);
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@ -1209,10 +1228,9 @@ TextSimulation::on_remove_resource(const Tokens& arguments)
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ustring resource = arguments[0];
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const Environment& env = Simulation::get_instance().get_history().get_environment_at(0);
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const Environment::Processes& processes = env.get_processes();
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//const Environment& env = Simulation::get_instance().get_history().get_environment_at(0);
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ConcreteHistory::resource_key_t rid;
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History::resource_key_t rid;
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try
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{
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@ -1795,8 +1813,22 @@ TextSimulation::parse_command(TextSimulation& sim, const ustring& str)
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void
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TextSimulation::update()
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TextSimulation::update(const History& changed_history)
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{
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p_stdout(_("\nqueue: { "));
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const Environment& env = changed_history.get_last_environment();
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const ReadyQueue& q = env.get_sorted_queue();
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for(unsigned int i = 0; i < q.size(); ++i)
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{
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const Thread& t = q.get_item_at(i);
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p_stdout(t.get_name() + " ~ ");
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}
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p_stdout("}\n");
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// History& h = History::get_instance();
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// int when, arr;
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// ustring temp;
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@ -29,6 +29,7 @@
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#include "templates/smartp.hh"
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//#include "backend/policy_parameters.hh"
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#include "backend/string_utils.hh"
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#include "backend/history_observer.hh"
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#include "smartp.hh"
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@ -55,9 +56,10 @@ namespace sgpem
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Any object returned after the call to Simulation will be returned to the output
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devices(s) in a human-readable format.
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*/
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class SG_DLLEXPORT TextSimulation : public sigc::trackable
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class SG_DLLEXPORT TextSimulation : public HistoryObserver
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{
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public:
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TextSimulation();
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~TextSimulation();
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/**
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@ -120,13 +122,13 @@ namespace sgpem
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*/
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void add_io_device(memory::smart_ptr<IOManager>);
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private:
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/**
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Prints the actual state of the simulation, with emphasis on the current
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status of the scheduling process (ready queue and running process).
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*/
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void update();
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virtual void update(const History& changed_history);
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private:
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bool check_arguments_num(const Tokens& arguments, unsigned int num);
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template <typename Container>
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void show(const Container& entities);
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|
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