source: sample/pingpong/PingPong.cpp @ 2483

#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 id of the ping pong service
ServiceID PingPong::PINGPONG_ID = ServiceID( 111 );

// construction
PingPong::PingPong() : pingId( 0 ) {
        Timer::setInterval( 5000 );
}

// 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();

        // get the configuration object
        Configuration& config = Configuration::instance();

        // generate spovnet name
        Name spovnetName("pingpong");

        // get initiator flag
        this->isInitiator = Configuration::instance().read<bool> ("node.initiator");

        // get node name
        Name nodeName = Name::UNSPECIFIED;
        if (config.exists("node.name")) nodeName
                        = config.read<string> ("node.name");

        // configure ariba module
        if (config.exists("ariba.ip.addr")) ariba->setProperty("ip.addr",
                        config.read<string> ("ariba.ip.addr"));
        if (config.exists("ariba.tcp.port")) ariba->setProperty("tcp.port",
                        config.read<string> ("ariba.tcp.port"));
        if (config.exists("ariba.udp.port")) ariba->setProperty("udp.port",
                        config.read<string> ("ariba.udp.port"));
        if (config.exists("ariba.bootstrap.hints")) ariba->setProperty("bootstrap.hints",
                        config.read<string> ("ariba.bootstrap.hints"));

        // start ariba module
        ariba->start();

        // create node and join
        node = new Node( *ariba, nodeName );

        // start node module
        node->start();

        // initiate or join the spovnet
        if (!isInitiator) node->join(spovnetName);
        else node->initiate(spovnetName);

        // bind communication and node listener
        node->bind( this );
        node->bind( this, PingPong::PINGPONG_ID);
        
        // start the ping timer. if we are not
        // the initiator this will happen in onJoinCompleted
        if( isInitiator ) Timer::start();

        // ping pong started up...
        logging_info( "pingpong started up ");
}

// implementation of the startup interface
void PingPong::shutdown() {

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

        // stop timer
        Timer::stop();

        // unbind communication and node listener
        node->unbind( this );
        node->unbind( this, PingPong::PINGPONG_ID );

        // leave spovnet
        node->leave();

        // 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" );
}

// node listener interface
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() );
}

// communication listener
bool PingPong::onLinkRequest(const NodeID& remote, const DataMessage& msg) {
        return false;
}

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

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

        logging_info( "received ping message on link " << lnk.toString()
                        << " from node " << remote.toString()
                        << ": " << pingmsg->info() );
}

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

        PingPongMessage pingmsg( pingId );
        node->sendBroadcastMessage( pingmsg, PingPong::PINGPONG_ID );
}

}}} // namespace ariba, application, pingpong