separator.cc

clustering for ns-2 simulation

/**
 * Copyright (c) 2006 Michele Mastrogiovanni.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */
 
#include "Separator.h"

Separator* Separator::instance_;

static class SeparatorClass : public TclClass {
public:
    SeparatorClass() : TclClass("Utility/SEPARATOR") {}
    TclObject* create(int , const char*const* ) {
        return(new Separator());
    }
} class_separator_utility;

void 
Separator::recv(Packet *p, Handler *h)
{
}

Separator::Separator() : TclObject()
{
	indexCurrentModule = -1;
	instance_ = this;
}

//
// Lancia il modulo successivo:
//
void 
Separator::startModule()
{
	indexCurrentModule++;
	for (map<NodeAddress, vector<ClusteringModule *> >::iterator m = modules.begin(); m != modules.end(); m++) {
		vector<ClusteringModule *> & v = (m->second);
		if (indexCurrentModule < v.size())
			v[indexCurrentModule]->startModule();
	}
}

int
Separator::command(int argc, const char * const * argv)
{
	if (argc == 2) {
        if (strcmp (argv[1], "start") == 0) {
			startModule();
            return TCL_OK;
        }
	}
    else if (argc == 4) {
        if (strcmp (argv[1], "register") == 0) {
			NodeAddress node = atoi(argv[2]);
			ClusteringModule * module = (ClusteringModule*)TclObject::lookup(argv[3]);
			registerNode(node, module);
            return TCL_OK;
        }
    }
	
    return TclObject::command(argc, argv);
}

//
// Termina il modulo corrente.
// Se tutti i nodi hanno terminato, lancia il modulo
// superiore.
//
void
Separator::endCurrentModule(NodeAddress node)
{
	endedNodes.insert(node);
	if (endedNodes.size() == modules.size()) {
		endedNodes.clear();
		startModule();
	}
}

//
// Registra un modulo per un nodo.
//
void
Separator::registerNode(NodeAddress node, ClusteringModule * module)
{
	modules[node].push_back(module);
}

int 
Separator::getIndexCurrentModule()
{
	return indexCurrentModule;
}