--- /dev/null
+/*
+ * ApplicationHandler.cxx
+ *
+ * Copyright 2006,2007 Martin Quinson, Malek Cherier
+ * All right reserved.
+ *
+ * This program is free software; you can redistribute
+ * it and/or modify it under the terms of the license
+ *(GNU LGPL) which comes with this package.
+ *
+ */
+
+ /* ApplicationHandler member functions implementation.
+ */
+
+
+#include <Object.hpp>
+#include <MsgApplicationHandler.hpp>
+
+#include <MsgProcess.hpp>
+#include <MsgHost.hpp>
+
+
+
+
+
+#include <stdlib.h>
+
+#include <surf/surfxml_parse.h>
+#include <xbt/sysdep.h>
+
+
+namespace SimGrid
+{
+ namespace Msg
+ {
+
+ ApplicationHandler::ProcessFactory* ApplicationHandler::processFactory = NULL;
+
+ // Desable the default constructor, the copy constructor , the assignement operator
+ // and the destructor of this class. Assume that this class is static.
+
+ // Default constructor.
+ ApplicationHandler::ApplicationHandler()
+ {
+ // NOTHING TODO
+ }
+
+ // Copy constructor.
+ ApplicationHandler::ApplicationHandler(const ApplicationHandler& rApplicationHandler)
+ {
+ // NOTHING TODO
+ }
+
+ // Destructor
+ ApplicationHandler::~ApplicationHandler()
+ {
+ // NOTHING TODO
+ }
+
+ // Assignement operator.
+ const ApplicationHandler& ApplicationHandler::operator = (const ApplicationHandler& rApplicationHandler)
+ {
+ return *this;
+ }
+
+ void ApplicationHandler::onStartDocument(void)
+ {
+ // instanciate the factory at the begining of the parsing
+ processFactory = new ProcessFactory();
+ }
+
+ void ApplicationHandler::onEndDocument(void)
+ {
+ // release the handler at the end of the parsing.
+ if(processFactory)
+ delete processFactory;
+ }
+
+ void ApplicationHandler::onBeginProcess(void)
+ {
+ // set the process identity at the begin of the xml process element.
+ processFactory->setProcessIdentity(A_surfxml_process_host, A_surfxml_process_function);
+ }
+
+ void ApplicationHandler::onProcessArg(void)
+ {
+ // register the argument of the current xml process element.
+ processFactory->registerProcessArg(A_surfxml_argument_value);
+ }
+
+ void ApplicationHandler::OnProperty(void)
+ {
+ // set the property of the current xml process element.
+ processFactory->setProperty(A_surfxml_prop_id, A_surfxml_prop_value);
+ }
+
+ void ApplicationHandler::onEndProcess(void)
+ {
+ // at the end of the xml process element create the wrapper process (of the native Msg process)
+ processFactory->createProcess();
+ }
+
+ /////////////////////////////////////////////////////////////////////////////////////////////////
+ // Process factory connected member functions
+
+ ApplicationHandler::ProcessFactory::ProcessFactory()
+ {
+ this->args = xbt_dynar_new(sizeof(char*),ApplicationHandler::ProcessFactory::freeCstr);
+ this->properties = NULL; // TODO instanciate the dictionary
+ this->hostName = NULL;
+ this->function = NULL;
+ }
+
+ ApplicationHandler::ProcessFactory::~ProcessFactory()
+ {
+ xbt_dynar_free(&(this->args));
+ }
+
+ // create the cxx process wrapper.
+ void ApplicationHandler::ProcessFactory::createProcess()
+ throw (ClassNotFoundException, HostNotFoundException)
+ {
+ Host host;
+ Class* c;
+ Process* process;
+
+ // try to dynamicaly create an instance of the process from its name (which is specified by the element function
+ // in the xml application file.
+ // if this static method fails, it throws an exception of the class ClassNotFoundException
+ c = Class::fromName(this->function);
+ process = reinterpret_cast<Process*>(c->createObject());
+
+ // try to retrieve the host of the process from its name
+ // if this method fails, it throws an exception of the class HostNotFoundException
+ host = Host::getByName(this->hostName);
+
+ // build the list of the arguments of the newly created process.
+ int argc = xbt_dynar_length(this->args);
+
+ char** argv = (char**)calloc(argc, sizeof(char*));
+
+ for(int i = argc -1; i >= 0; i--)
+ xbt_dynar_pop(this->args, &(argv[i]));
+
+ // finaly create the process (for more detail on the process creation see Process::create()
+ process->create(host, this->function , argc, argv);
+
+ // TODO add the properties of the process
+ /*process->properties = this->properties;
+ this->properties = new Properties();*/
+ }
+
+ void ApplicationHandler::ProcessFactory::setProcessIdentity(const char* hostName, const char* function)
+ {
+ this->hostName = hostName;
+ this->function = function;
+
+ /*if (!this->args->empty())
+ this->args->clear();
+
+ if(!this->properties->empty())
+ this->properties->clear();*/
+ }
+
+ // callback function used by the dynamic array to cleanup all of its elements.
+ void ApplicationHandler::ProcessFactory::freeCstr(void* cstr)
+ {
+ free(*(void**)cstr);
+ }
+
+ void ApplicationHandler::ProcessFactory::registerProcessArg(const char* arg)
+ {
+ char* cstr = _strdup(arg);
+ xbt_dynar_push(this->args, &cstr);
+ }
+
+ void ApplicationHandler::ProcessFactory::setProperty(const char* id, const char* value)
+ {
+ // TODO implement this function;
+ }
+
+ const char* ApplicationHandler::ProcessFactory::getHostName(void)
+ {
+ return this->hostName;
+ }
+
+ } // namespace Msg
+} // namespace SimGrid
+
