SingleDomainGenerator.cc

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// The MIT License (MIT)
//
// Copyright (c) 2014-2016 Brno University of Technology, PRISTINE project
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include <SingleDomainGenerator/SingleDomainGenerator.h>
#include "APN.h"



namespace SingleDomainGenerator {

Register_Class(SingleDomainGenerator);

using namespace std;

// A new flow has been inserted/or removed
void SingleDomainGenerator::insertedFlow(const Address &addr, const QoSCube & qos, RMTPort * port){
    std::string dst = addr.getIpcAddress().getName();
    neighbours[dst].insert(port);
    if(neighbours[dst].size() == 1){
        rt->addFlow(addr, "", dst,1);
        routingUpdated();
    }
}
void SingleDomainGenerator::removedFlow(const Address &addr, const QoSCube& qos, RMTPort * port){
    std::string dst = addr.getIpcAddress().getName();
    neighbours[dst].erase(port);
    if(neighbours[dst].size() <= 0){
        rt->removeFlow(addr,"", dst);
        neighbours.erase(dst);
        routingUpdated();
    }
}

//Routing has processes a routing update
void SingleDomainGenerator::routingUpdated(){
    DMRnms::dmUpdateM changes = rt->getChanges();
    for(DMRnms::dmUpdateMIt it = changes.begin(); it!= changes.end(); it++){
        for(DMRnms::s2AIt eIt = it->entries.begin(); eIt != it->entries.end(); eIt++){
            std::string dst = eIt->first;
            std::string nextHop = eIt->second.getIpcAddress().getName();

            EV << "Entry ::: "<< dst << " -> " << nextHop << " ("<< eIt->second<<")" <<endl;
            RMTPort * p = NULL;

            NTableIt n = neighbours.find(nextHop);
            if(n != neighbours.end()){
                p = *(n->second.begin());
            }

            if(p == NULL) {
                fwd->remove(dst);
            } else {
                fwd->insert(dst, p);
            }
        }
    }
}

// Called after initialize
void SingleDomainGenerator::onPolicyInit(){
    //Set Forwarding policy
    fwd = getRINAModule<IntMiniForwarding *>(this, 2, {MOD_RELAYANDMUX, MOD_POL_RMT_PDUFWD});
    rt = getRINAModule<DMRnms::Routing *>(this, 2, {MOD_POL_ROUTING});

    std::string alg = par("alg").stdstringValue();

    if(alg == "LS"){
        rt->addDomain("", getModuleByPath("^.^")->par("ipcAddress").stringValue(), DMRnms::LS);
    } else {
        rt->addDomain("", getModuleByPath("^.^")->par("ipcAddress").stringValue(), DMRnms::DV);
    }


    difA = getRINAModule<DA *>(this, 3, {MOD_DIFALLOC, MOD_DA});
}

}