source: sample/pingpong/PingPong.cpp@ 6928

#include "PingPong.h"

#include "ariba/utility/configuration/Configuration.h"



using ariba::utility::Configuration;

using namespace ariba;



namespace ariba {

namespace application {

namespace pingpong {



// logging

use_logging_cpp( PingPong );



// the service that the pingpong wants to use

ServiceID PingPong::PINGPONG_SERVICEID = ServiceID( 111 );



// construction

PingPong::PingPong() : pingId( 0 ) {

        Timer::setInterval( 1000 );

}



// destruction

PingPong::~PingPong() {

}



// implementation of the startup interface

void PingPong::startup() {



        logging_info( "starting up PingPong service ... " );



        // create ariba module

        logging_debug( "creating ariba underlay module ... " );

        ariba = new AribaModule();



        Name spovnetName("pingpong");

        Name nodeName = Name::UNSPECIFIED;

        this->name = string("<ping>");



        // get settings from configuration object

        if( Configuration::haveConfig() ){

                Configuration& config = Configuration::instance();



                // get node name

                if (config.exists("node.name"))

                        nodeName = config.read<string> ("node.name");



                // configure ariba module

                if (config.exists("ariba.endpoints"))

                        ariba->setProperty("endpoints", config.read<string>("ariba.endpoints"));

                if (config.exists("ariba.bootstrap.hints"))

                        ariba->setProperty("bootstrap.hints", config.read<string>("ariba.bootstrap.hints"));

                if (config.exists("pingpong.name"))

                        name = config.read<string>("pingpong.name");



        } // if( Configuration::haveConfig() )



        // start ariba module

        ariba->start();



        // create node and join

        node = new Node( *ariba, nodeName );



        // bind communication and node listener

        node->bind( this );                              /*NodeListener*/

        node->bind( this, PingPong::PINGPONG_SERVICEID); /*CommunicationListener*/



        // start node module

        node->start();



        // when initiating, you can define the overlay type, default is Chord [CHORD_OVERLAY]

        SpoVNetProperties params;

        //params.setBaseOverlayType( SpoVNetProperties::ONE_HOP_OVERLAY ); // alternative: OneHop



        // initiate the spovnet

        logging_info("initiating spovnet");

        node->initiate(spovnetName, params);



        // join the spovnet

        logging_info("joining spovnet");

        node->join(spovnetName);



        // ping pong started up...

        logging_info( "pingpong starting up with"

                        << " [spovnetid " << node->getSpoVNetId().toString() << "]"

                        << " and [nodeid " << node->getNodeId().toString() << "]" );

}



// implementation of the startup interface

void PingPong::shutdown() {



        logging_info( "pingpong service starting shutdown sequence ..." );



        // stop timer

        Timer::stop();



        // leave spovnet

        node->leave();



        // unbind communication and node listener

        node->unbind( this );                               /*NodeListener*/

        node->unbind( this, PingPong::PINGPONG_SERVICEID ); /*CommunicationListener*/



        // stop the ariba module

        ariba->stop();



        // delete node and ariba module

        delete node;

        delete ariba;



        // now we are completely shut down

        logging_info( "pingpong service shut down" );

}



// timer event

void PingPong::eventFunction() {



        // we ping all nodes that are known in the overlay structure

        // this can be all nodes (OneHop) overlay or just some neighbors

        // in case of a Chord or Kademlia structure



        // in this sample we use auto-links: we just send out our message

        // to the node and the link is established automatically. for more

        // control we would use the node->establishLink function to create

        // a link and start using the link in the CommunicationListener::onLinkUp

        // function that is implemented further down in PingPong::onLinkUp



        logging_info( "pinging overlay neighbors with ping id " << ++pingId );

        PingPongMessage pingmsg( pingId, name );



        //-----------------------------------------------------------------------

        // Option 1: get all neighboring nodes and send the message to each

        //-----------------------------------------------------------------------

        counter++;

        if (counter<0 || counter>4) {

                counter = 0;

                string s;

                for (int i=0; i<names.size();i++) {

                        if (i!=0) s+= ", ";

                        s = s+names[i];

                }

                logging_info("----> I am " << name << " and I know " << s);

                names.clear();

        }



        vector<NodeID> nodes = node->getNeighborNodes();

        BOOST_FOREACH( NodeID nid, nodes ){

                logging_info( "sending ping message to " << nid.toString() );

                node->sendMessage( pingmsg, nid, PingPong::PINGPONG_SERVICEID );

        }



        //-----------------------------------------------------------------------

        // Option 2: send a "broadcast message" that actually does the same thing

        //           internally, gets all neighboring nodes and sends the message

        //-----------------------------------------------------------------------

        // node->sendBroadcastMessage( pingmsg, PingPong::PINGPONG_SERVICEID );

}



void PingPong::onJoinCompleted( const SpoVNetID& vid ) {

        logging_info( "pingpong node join completed, spovnetid=" << vid.toString() );



        // start the timer to ping every second

        Timer::start();

}



void PingPong::onJoinFailed( const SpoVNetID& vid ) {

        logging_error("pingpong node join failed, spovnetid=" << vid.toString() );

}



void PingPong::onLeaveCompleted( const SpoVNetID& vid ){

        logging_info("pingpong node leave completed, spovnetid=" << vid.toString() );

}



void PingPong::onLeaveFailed( const SpoVNetID& vid ){

        logging_error("pingpong node leave failed, spovnetid=" << vid.toString() );

}



void PingPong::onMessage(const DataMessage& msg, const NodeID& remote, const LinkID& lnk) {

        PingPongMessage* pingmsg = msg.getMessage()->convert<PingPongMessage> ();

        bool found=false;

        for (int i=0;i<names.size(); i++) if (names[i]==pingmsg->getName()) found=true;

        if (!found) names.push_back(pingmsg->getName());

        logging_info( "received ping message on link " << lnk.toString()

                        << " from node " << remote.toString()

                        << ": " << pingmsg->info() );

}



void PingPong::onLinkUp(const LinkID& lnk, const NodeID& remote){

        logging_info( "received link-up event for link " << lnk.toString()

                        << " and node " << remote.toString() );

}



void PingPong::onLinkDown(const LinkID& lnk, const NodeID& remote){

        logging_info( "received link-down event for link " << lnk.toString()

                        << " and node " << remote.toString() );

}



void PingPong::onLinkChanged(const LinkID& lnk, const NodeID& remote){

        logging_info( "link-changed event for link " << lnk.toString()

                        << " and node " << remote.toString() );

}



bool PingPong::onLinkRequest(const NodeID& remote, const DataMessage& msg) {

        logging_info( "node " << remote.toString() << " wants to build up a link with us ... allowing" );

        return true;

}



void PingPong::onLinkFail(const LinkID& lnk, const NodeID& remote){

        logging_info( "received link-failed event for link " << lnk.toString()

                        << " and node " << remote.toString() );

}



}}} // namespace ariba, application, pingpong