- Added ResourcePolicy class. I need to clear some doubts before writing the remaining part of resource policy management...

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@808 3ecf2c5c-341e-0410-92b4-d18e462d057c

Makefile.am

@@ -174,6 +174,7 @@ src_backend_libbackend_la_SOURCES = \
 		src/backend/ready_queue.cc \
 		src/backend/request.cc \
 		src/backend/resource.cc \
+		src/backend/resource_policy.cc \
 		src/backend/schedulable.cc \
 		src/backend/scheduler.cc \
 		src/backend/serialize_visitor.cc \
@@ -210,6 +211,7 @@ pkginclude_HEADERS += \
 		src/backend/ready_queue.hh \
 		src/backend/request.hh \
 		src/backend/resource.hh \
+		src/backend/resource_policy.hh \
 		src/backend/process.hh \
 		src/backend/schedulable.hh \
 		src/backend/scheduler.hh \

src/backend/policy.hh

@@ -26,7 +26,6 @@
 
 #include "glibmm/ustring.h"
 
-#include "scheduler.hh"
 #include "policy_parameters.hh"
 #include "user_interrupt_exception.hh"
 
@@ -98,8 +97,6 @@ namespace sgpem
     /**
       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();

src/backend/policy_manager.hh

@@ -25,6 +25,8 @@
 
 #include "policy.hh"
 
+#include <vector>
+
 
 namespace sgpem
 {

src/backend/resource_policy.cc

@@ -0,0 +1,34 @@
+// src/backend/resource_policy.cc - 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
+
+#include "resource_policy.hh"
+using namespace std;
+using namespace sgpem;
+
+ResourcePolicy::~ResourcePolicy()
+{}
+
+
+PolicyParameters&
+ResourcePolicy::get_parameters()
+{
+  return _parameters;
+}
+

src/backend/resource_policy.hh

@@ -0,0 +1,90 @@
+// src/backend/resource_policy.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 RESOURCE_POLICY_HH
+#define RESOURCE_POLICY_HH 1
+
+#include "config.h"
+#include "gettext.h"
+
+#include "glibmm/ustring.h"
+
+#include "policy_parameters.hh"
+#include "user_interrupt_exception.hh"
+
+namespace sgpem
+{
+  class ResourcePolicy;
+
+  /** \brief
+  It's a Strategy wich stay for a resource allocating algorithm.
+  It implements the related resource allocation policy.
+  */
+  class SG_DLLEXPORT ResourcePolicy
+  {
+  public:
+    virtual ~ResourcePolicy();
+
+    /**
+      Initialize the inner components of the policy.
+
+      Because it's a pure virtual method, must be re-implemented 
+      in concrete derived classes.
+     */
+    virtual void configure() throw(UserInterruptException) = 0;
+
+    /**
+      Allocate resources to the threads 
+     
+      Because it's a pure virtual method, must be re-implemented 
+      in concrete derived classes.
+     */
+    virtual void enforce() throw(UserInterruptException) = 0; 
+    
+    /**
+      Gets a string description of the policy.
+
+      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;
+
+    virtual Glib::ustring get_name() const = 0;
+
+    virtual void activate() = 0;
+
+    virtual void deactivate() = 0;
+
+    /**
+      Gets the parameters related with this policy.
+
+      \return The policy parameters.
+     */
+    PolicyParameters& get_parameters();
+
+  protected:
+    PolicyParameters _parameters;
+  };
+
+}//~ namespace sgpem
+
+
+#endif

src/text_simulation.cc

@@ -494,7 +494,7 @@ TextSimulation::on_help(const Tokens& arguments)
 	  "the cpu policy.\n\nThis is currently the only way to control the behaviour of "
 	  "cpu policies without modifying their source code.\n"));
   else if(command == "HELP")
-    p_stdout(_("-- HELP COMMAND --\nThe help you're reading"));
+    p_stdout(_("-- HELP COMMAND --\nThe help you're reading.\n"));
   else if(command == "GET")
     p_stdout(_("-- GET COMMAND --\nSyntax: GET <attr_name>\n"
       "\twhere <attr_name> may be simulation-tick or continuous.\n"));