- Gettext support to resource policies descriptions.
- Renamed default_resource_policy_manager to match the design. - Audited some other files. git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1232 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
matrevis
parent
37e4d7572b
commit
859df07a89
|
|
@ -206,11 +206,11 @@ src_backend_libbackend_la_SOURCES = \
|
|||
src/backend/concrete_simulation_statistics.cc \
|
||||
src/backend/concrete_statistics.cc \
|
||||
src/backend/concrete_thread_statistics.cc \
|
||||
src/backend/cpp_resource_policy_manager.cc \
|
||||
src/backend/cpu_policies_gatekeeper.cc \
|
||||
src/backend/cpu_policy.cc \
|
||||
src/backend/cpu_policy_exception.cc \
|
||||
src/backend/cpu_policy_manager.cc \
|
||||
src/backend/default_resource_policy_manager.cc \
|
||||
src/backend/dynamic_process.cc \
|
||||
src/backend/dynamic_request.cc \
|
||||
src/backend/dynamic_resource.cc \
|
||||
|
|
@ -268,11 +268,11 @@ src_backend_libbackend_la_SOURCES = \
|
|||
# Please note that the first listed header is generated by
|
||||
# configure.
|
||||
pkginclude_HEADERS += \
|
||||
src/backend/sgpemv2/cpp_resource_policy_manager.hh \
|
||||
src/backend/sgpemv2/cpu_policies_gatekeeper.hh \
|
||||
src/backend/sgpemv2/cpu_policy.hh \
|
||||
src/backend/sgpemv2/cpu_policy_exception.hh \
|
||||
src/backend/sgpemv2/cpu_policy_manager.hh \
|
||||
src/backend/sgpemv2/default_resource_policy_manager.hh \
|
||||
src/backend/sgpemv2/environment.hh \
|
||||
src/backend/sgpemv2/global_preferences.hh \
|
||||
src/backend/sgpemv2/history.hh \
|
||||
|
|
|
|||
|
|
@ -36,14 +36,20 @@
|
|||
|
||||
namespace sgpem
|
||||
{
|
||||
/** \brief A specialization of abstract class Policy
|
||||
|
||||
Implements the Policy abstract class specified in the backend component to allow
|
||||
user-written Python policies to run.
|
||||
|
||||
This class represents a policy written in Python. Its methods interact with Python interpreter.
|
||||
See the documentation of class Policy for more detailed informations.
|
||||
*/
|
||||
/// \brief A specialization of abstract class Policy
|
||||
///
|
||||
/// Implements the Policy abstract class specified in the backend component to allow
|
||||
/// user-written Python policies to run.
|
||||
///
|
||||
/// This class represents a policy written in Python. Its methods interact
|
||||
/// with Python interpreter.
|
||||
/// See the documentation of class Policy for more detailed informations.
|
||||
///
|
||||
/// Since both the methods get_name() and get_description() must be available before
|
||||
/// backend::Policy activation, then map them to the class name and the return of
|
||||
/// the __doc__() method, respectively.
|
||||
/// That information can be obtained statically (without
|
||||
/// instantiating an object of that class).
|
||||
class PythonCPUPolicy;
|
||||
|
||||
class PythonCPUPolicyManager;
|
||||
|
|
@ -55,58 +61,123 @@ namespace sgpem
|
|||
/// \brief Constructor taking the name of the policy.
|
||||
///
|
||||
/// Constructor taking the name of the policy.
|
||||
/// Perform the first half of the two-staged construction
|
||||
///
|
||||
/// \param name the name of the policy
|
||||
/// A ::PythonPolicy object is instantiated as soon as its ::PythonPolicyManager
|
||||
/// calls collect_policies(). In order to save memory, since only a small subset
|
||||
/// of policies can be activated in a given time frame, this constructor only
|
||||
/// takes care to determine the policy name and description, without actually
|
||||
/// preparing a separate PyInterpreter and/or PyThreadState.
|
||||
/// @see activate().
|
||||
/// @throw an exception when the policy is malformed and therefore not usable.
|
||||
/// @param name the name of the policy
|
||||
PythonCPUPolicy(const char* name) throw(MalformedPolicyException);
|
||||
|
||||
/// \brief Standard virtual destructor
|
||||
///
|
||||
virtual ~PythonCPUPolicy();
|
||||
|
||||
/**
|
||||
Calls the method \c async_configure
|
||||
*/
|
||||
/// \brief Configures the policy, asynchronously.
|
||||
///
|
||||
/// Configures the policy, asynchronously. Calls the method \c async_configure
|
||||
/// Performs the following operations in this order:
|
||||
|
||||
/// -# Erases the content of the PolicyParameters attribute
|
||||
/// -# Calls associated method async_configure() from the loaded
|
||||
/// ::ScriptAdapter, which has been properly initialized from the activate() method
|
||||
/// -# Wait for the async call to return, calling wait_unlock()
|
||||
/// @throw an exception when the policy is malformed and therefore not usable,
|
||||
/// or when the policy is taking too long to terminate its work.
|
||||
/// @see ::CPUPolicy::configure().
|
||||
void configure() throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/**
|
||||
Calls the method \c async_sort_queue
|
||||
*/
|
||||
/// \brief Sorts the queue, asynchronously.
|
||||
///
|
||||
/// Sorts the queue, asynchronously. Calls the method \c async_sort_queue.
|
||||
/// @throw an exception when the policy is malformed and therefore not usable,
|
||||
/// or when the policy is taking too long to terminate its work.
|
||||
/// @see ::CPUPolicy::sort_queue().
|
||||
void sort_queue() const throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/**
|
||||
\returns A textual description of this policy.
|
||||
*/
|
||||
/// \brief Returns a textual description of the policy.
|
||||
///
|
||||
/// Returns a textual description of this policy.
|
||||
/// Tries to get the result of calling __doc__() of the corresponding
|
||||
/// Python-implemented Policy object, if available. Else, returns the empty string.
|
||||
/// @return long description of the policy.
|
||||
/// @see ::CPUPolicy::get_description().
|
||||
Glib::ustring get_description() const;
|
||||
|
||||
/// \brief Returns a human-readable name of this policy.
|
||||
///
|
||||
/// Returns a human-readable name of this policy.
|
||||
/// The name of the script file, stripped by its extension --
|
||||
/// typically, it's regexp(/.py(c?)/i)
|
||||
/// @return the name of this policy.
|
||||
/// @see ::CPUPolicy::get_name().
|
||||
Glib::ustring get_name() const;
|
||||
|
||||
/**
|
||||
\returns \c TRUE if the policy is preemptive.
|
||||
\returns \c FALSE if the policy is not preemptive.
|
||||
*/
|
||||
/// \brief Returns whether this policy is preemptive or not, asynchronously.
|
||||
///
|
||||
/// Returns whether this policy is preemptive or not, asynchronously.
|
||||
/// Calls ScriptAdapter::async_is_preemptive(). Waits for an answer into wait_unlock()
|
||||
/// @throw an exception when the policy is malformed and therefore not usable,
|
||||
/// or when the policy is taking too long to terminate its work.
|
||||
/// @return \c TRUE if the policy is preemptive.
|
||||
/// @return \c FALSE if the policy is not preemptive.
|
||||
/// @see ::CPUPolicy::is_pre_emptive().
|
||||
bool is_pre_emptive() const throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/**
|
||||
\returns The integer value of its time-slice.
|
||||
*/
|
||||
/// \brief Returns the lenght of the time slice, asynchronously.
|
||||
///
|
||||
/// Returns the lenght of the time slice, asynchronously.
|
||||
/// Calls ScriptAdapter::async_get_timeslice(). Waits for an answer into wait_unlock()
|
||||
/// @throw an exception when the policy is malformed and therefore not usable,
|
||||
/// or when the policy is taking too long to terminate its work.
|
||||
/// @return the lenght of the time slice.
|
||||
/// @see ::CPUPolicy::get_time_slice().
|
||||
int get_time_slice() const throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/// \brief Load the corresponding Python module and initialize a new Policy object (in Python).
|
||||
///
|
||||
/// It will have its own PyThreadState and/or PyInterpreter.
|
||||
/// @throw an exception when the policy is malformed and therefore not usable,
|
||||
/// or when the policy is taking too long to terminate its work.
|
||||
/// @see ::CPUPolicy::activate().
|
||||
void activate() throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/// \brief Activates the policy.
|
||||
///
|
||||
/// Cleanup operations to perform before another policy is loaded.
|
||||
/// @see ::CPUPolicy::deactivate().
|
||||
void deactivate();
|
||||
|
||||
private:
|
||||
PythonCPUPolicy(const PythonCPUPolicy&);
|
||||
PythonCPUPolicy& operator=(const PythonCPUPolicy&);
|
||||
|
||||
/// \brief Helps in implementing an asynchronous call to a method.
|
||||
///
|
||||
/// Enters in a loop waiting for a ::ScriptAdapter method to return. If this
|
||||
/// doesn't happen before a timeout expires, puts Policy and the Python
|
||||
/// interpreter in a safe state and throws UserInterruptException.
|
||||
///
|
||||
/// After an "async*()" call, the global Python interpreter lock has to be
|
||||
/// released. This is necessary to let the Python threads to run.
|
||||
/// After having waited for a specified amount of time (we're polling),
|
||||
/// the lock is taken again, and we check if the thread has finished via
|
||||
/// the mutex present in ::ScriptAdapter. If so, wait_unlock() terminates
|
||||
/// successfully. Else it stays in its main loop.
|
||||
void wait_unlock() const throw(UserInterruptException, MalformedPolicyException);
|
||||
|
||||
/// \brief Returns a brief description of a thrown exception.
|
||||
/// Returns the description of the exception occurred.
|
||||
static std::string get_exception_information();
|
||||
|
||||
static Glib::StaticRecMutex _mtx;
|
||||
|
||||
PyObject* _upolicy_dict;
|
||||
PyObject* _adapter;
|
||||
|
||||
Glib::ustring _name;
|
||||
Glib::ustring _description;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -31,28 +31,58 @@
|
|||
|
||||
namespace sgpem
|
||||
{
|
||||
//class CPUPolicyManager;
|
||||
|
||||
/// \brief Manages Python user-implemented policies
|
||||
///
|
||||
/// Manages the creation, the organization and the destruction of the
|
||||
/// cpu policies implemented using Python.
|
||||
///
|
||||
/// It is also responsible for handling malformed policies: as soon as the
|
||||
/// application detects the presence of a malformed policy, it will ask this
|
||||
/// class to terminate the Python interpreter and to reinitialize the objects
|
||||
/// which were previously created by the manager itself.
|
||||
class PythonCPUPolicyManager;
|
||||
|
||||
/** \brief Manages Python user-implemented policies
|
||||
*
|
||||
* This singleton manages the creation and destruction
|
||||
* of a Python policy.
|
||||
*/
|
||||
class SG_DLLEXPORT PythonCPUPolicyManager : public CPUPolicyManager
|
||||
{
|
||||
public:
|
||||
|
||||
/// \brief Standard constructor.
|
||||
///
|
||||
/// Standard constructor.
|
||||
/// Calls collect_policies() to instantiate all manageable .py policy scripts.
|
||||
PythonCPUPolicyManager();
|
||||
|
||||
/// \brief Standard virtual destructor.
|
||||
///
|
||||
/// Standard virtual desctuctor.
|
||||
~PythonCPUPolicyManager();
|
||||
|
||||
/// \brief Returns policies found and instantiated by collect_policies().
|
||||
///
|
||||
/// Returns policies found and instantiated by collect_policies().
|
||||
/// \return the policies found and instantiated by collect_policies().
|
||||
const std::vector<CPUPolicy*>& get_avail_policies();
|
||||
|
||||
protected:
|
||||
/** The selected and active PyhonCPUPolicy object. */
|
||||
|
||||
/// \brief Scans through directories for loadable Python scripts.
|
||||
///
|
||||
/// Scans through directories for loadable Python scripts.
|
||||
/// For each found valid python script, tries to load it, and assess if it contains at least a class which:
|
||||
/// -# type(classname) is of type "classobj"
|
||||
/// -# classname.__bases is a tuple containing Policy::Policy
|
||||
void collect_policies();
|
||||
|
||||
private:
|
||||
/// \brief Standard copy constructor.
|
||||
///
|
||||
/// Standard private copy constructor.
|
||||
PythonCPUPolicyManager(const PythonCPUPolicyManager&);
|
||||
|
||||
/// \brief Standard private operator assign.
|
||||
///
|
||||
/// Standard private operator assign.
|
||||
PythonCPUPolicyManager& operator=(const PythonCPUPolicyManager&);
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
// src/backend/default_resource_policy_manager.cc - Copyright 2005, 2006, University
|
||||
// src/backend/cpp_resource_policy_manager.cc - Copyright 2005, 2006, University
|
||||
// of Padova, dept. of Pure and Applied
|
||||
// Mathematics
|
||||
//
|
||||
|
|
@ -19,20 +19,20 @@
|
|||
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
|
||||
#include <sgpemv2/cpp_resource_policy_manager.hh>
|
||||
#include <sgpemv2/resource_policy_lifo.hh>
|
||||
#include <sgpemv2/resource_policy_fifo.hh>
|
||||
#include <sgpemv2/resource_policy_priority.hh>
|
||||
#include <sgpemv2/resource_policy_priority_inheritance.hh>
|
||||
#include <sgpemv2/default_resource_policy_manager.hh>
|
||||
#include <sgpemv2/resource_policies_gatekeeper.hh>
|
||||
|
||||
using namespace sgpem;
|
||||
|
||||
// instantiate a default instance of this class.
|
||||
DefaultResourcePolicyManager DefaultResourcePolicyManager::_default_instance;
|
||||
CppResourcePolicyManager CppResourcePolicyManager::_default_instance;
|
||||
|
||||
|
||||
DefaultResourcePolicyManager::DefaultResourcePolicyManager()
|
||||
CppResourcePolicyManager::CppResourcePolicyManager()
|
||||
{
|
||||
ResourcePoliciesGatekeeper::get_instance().register_manager(this);
|
||||
// Includes default policies.
|
||||
|
|
@ -43,13 +43,13 @@ DefaultResourcePolicyManager::DefaultResourcePolicyManager()
|
|||
}
|
||||
|
||||
|
||||
DefaultResourcePolicyManager::~DefaultResourcePolicyManager()
|
||||
CppResourcePolicyManager::~CppResourcePolicyManager()
|
||||
{
|
||||
ResourcePoliciesGatekeeper::get_instance().unregister_manager(this);
|
||||
}
|
||||
|
||||
const std::vector<ResourcePolicy*>&
|
||||
DefaultResourcePolicyManager::get_avail_policies() const
|
||||
CppResourcePolicyManager::get_avail_policies() const
|
||||
{
|
||||
return _policies;
|
||||
}
|
||||
|
|
@ -70,13 +70,13 @@ ResourcePolicyFiFo::enforce(Environment& environment, Environment::SubRequestQue
|
|||
Glib::ustring
|
||||
ResourcePolicyFiFo::get_description() const
|
||||
{
|
||||
return "A resource policy which satisfies earlier requests before older ones.";
|
||||
return _("A resource policy which satisfies earlier requests before older ones.");
|
||||
}
|
||||
|
||||
Glib::ustring
|
||||
ResourcePolicyFiFo::get_name() const
|
||||
{
|
||||
return "First In, First Out";
|
||||
return _("First In, First Out");
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -82,13 +82,13 @@ ResourcePolicyLiFo::enforce(Environment& environment, Environment::SubRequestQue
|
|||
Glib::ustring
|
||||
ResourcePolicyLiFo::get_description() const
|
||||
{
|
||||
return "A resource policy which allows a request to be immediately allocated if there is enough space.";
|
||||
return _("A resource policy which allows a request to be immediately allocated if there is enough space.");
|
||||
}
|
||||
|
||||
Glib::ustring
|
||||
ResourcePolicyLiFo::get_name() const
|
||||
{
|
||||
return "Last In, First Out";
|
||||
return _("Last In, First Out");
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -85,13 +85,13 @@ ResourcePolicyPriority::enforce(Environment& environment, Environment::SubReques
|
|||
Glib::ustring
|
||||
ResourcePolicyPriority::get_description() const
|
||||
{
|
||||
return "A resource policy which satisfies higher priority requests before lower priority ones.";
|
||||
return _("A resource policy which satisfies higher priority requests before lower priority ones.");
|
||||
}
|
||||
|
||||
Glib::ustring
|
||||
ResourcePolicyPriority::get_name() const
|
||||
{
|
||||
return "Higher Priority First";
|
||||
return _("Higher Priority First");
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -98,13 +98,13 @@ ResourcePolicyPriorityInheritance::enforce(Environment& environment, Environment
|
|||
Glib::ustring
|
||||
ResourcePolicyPriorityInheritance::get_description() const
|
||||
{
|
||||
return "A resource policy which solves the priority inversion problem by raising the priority of a thread to the maximum relative to the queue.";
|
||||
return _("A resource policy which solves the priority inversion problem by raising the priority of a thread to the maximum relative to the queue.");
|
||||
}
|
||||
|
||||
Glib::ustring
|
||||
ResourcePolicyPriorityInheritance::get_name() const
|
||||
{
|
||||
return "Basic Priority Inheritance Protocol";
|
||||
return _("Basic Priority Inheritance Protocol");
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,67 @@
|
|||
// src/backend/sgpemv2/cpp_resource_policy_manager.hh - Copyright 2005, 2006, University
|
||||
// of Padova, dept. of Pure and Applied
|
||||
// Mathematics
|
||||
//
|
||||
// This file is part of SGPEMv2.
|
||||
//
|
||||
// This is free software; you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation; either version 2 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// SGPEMv2 is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with SGPEMv2; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
#ifndef CPP_RESOURCE_POLICY_MANAGER_HH
|
||||
#define CPP_RESOURCE_POLICY_MANAGER_HH 1
|
||||
|
||||
namespace sgpem
|
||||
{
|
||||
class ResourcePolicy;
|
||||
}
|
||||
|
||||
#include <sgpemv2/sgpemv2-visibility.hh>
|
||||
|
||||
#include <sgpemv2/resource_policy_manager.hh>
|
||||
|
||||
#include <vector>
|
||||
|
||||
|
||||
namespace sgpem
|
||||
{
|
||||
class CppResourcePolicyManager;
|
||||
|
||||
/**
|
||||
ResourcePolicyManager is the Abstract Factory for \ref ResourcePolicy objects.
|
||||
*/
|
||||
class SG_DLLEXPORT CppResourcePolicyManager : public ResourcePolicyManager
|
||||
{
|
||||
public:
|
||||
/** \brief CppResourcePolicyManager constructor
|
||||
*
|
||||
* Registers itself to the ResourcePoliciesGatekeeper singleton.
|
||||
*/
|
||||
CppResourcePolicyManager();
|
||||
|
||||
virtual ~CppResourcePolicyManager();
|
||||
|
||||
virtual const std::vector<ResourcePolicy*>& get_avail_policies() const;
|
||||
|
||||
private:
|
||||
std::vector<ResourcePolicy*> _policies;
|
||||
|
||||
// an Instance of this class is created by default and it is registered to
|
||||
// the ResourcePolicyGateKeeper
|
||||
static CppResourcePolicyManager _default_instance;
|
||||
};
|
||||
|
||||
} //~ namespace sgpem
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
// src/backend/default_resource_policy_manager.hh - Copyright 2005, 2006, University
|
||||
// src/backend/sgpemv2/cpp_resource_policy_manager.hh - Copyright 2005, 2006, University
|
||||
// of Padova, dept. of Pure and Applied
|
||||
// Mathematics
|
||||
//
|
||||
|
|
@ -18,8 +18,8 @@
|
|||
// along with SGPEMv2; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
#ifndef DEFAULT_RESOURCE_POLICY_MANAGER_HH
|
||||
#define DEFAULT_RESOURCE_POLICY_MANAGER_HH 1
|
||||
#ifndef CPP_RESOURCE_POLICY_MANAGER_HH
|
||||
#define CPP_RESOURCE_POLICY_MANAGER_HH 1
|
||||
|
||||
namespace sgpem
|
||||
{
|
||||
|
|
@ -35,21 +35,21 @@ namespace sgpem
|
|||
|
||||
namespace sgpem
|
||||
{
|
||||
class DefaultResourcePolicyManager;
|
||||
class CppResourcePolicyManager;
|
||||
|
||||
/**
|
||||
ResourcePolicyManager is the Abstract Factory for \ref ResourcePolicy objects.
|
||||
*/
|
||||
class SG_DLLEXPORT DefaultResourcePolicyManager : public ResourcePolicyManager
|
||||
class SG_DLLEXPORT CppResourcePolicyManager : public ResourcePolicyManager
|
||||
{
|
||||
public:
|
||||
/** \brief DefaultResourcePolicyManager constructor
|
||||
/** \brief CppResourcePolicyManager constructor
|
||||
*
|
||||
* Registers itself to the ResourcePoliciesGatekeeper singleton.
|
||||
*/
|
||||
DefaultResourcePolicyManager();
|
||||
CppResourcePolicyManager();
|
||||
|
||||
virtual ~DefaultResourcePolicyManager();
|
||||
virtual ~CppResourcePolicyManager();
|
||||
|
||||
virtual const std::vector<ResourcePolicy*>& get_avail_policies() const;
|
||||
|
||||
|
|
@ -58,7 +58,7 @@ namespace sgpem
|
|||
|
||||
// an Instance of this class is created by default and it is registered to
|
||||
// the ResourcePolicyGateKeeper
|
||||
static DefaultResourcePolicyManager _default_instance;
|
||||
static CppResourcePolicyManager _default_instance;
|
||||
};
|
||||
|
||||
} //~ namespace sgpem
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
// src/backend/resource_policy_priority.hh - Copyright 2005, 2006, University
|
||||
// src/backend/sgpemv2/resource_policy_priority.hh - Copyright 2005, 2006, University
|
||||
// of Padova, dept. of Pure and Applied
|
||||
// Mathematics
|
||||
//
|
||||
|
|
|
|||
Loading…
Reference in New Issue