cpp-cme-ilink3-handler-guide/group__getting-started-sample.html

#include "../Common/Helpers.h"
#include "../Common/Listener.h"
#include "../Settings/Defaults.h"
using namespace Samples;
Session* createSession(const SessionSettings settings, std::string segment, SessionListener* listener)
{
    std::transform(segment.begin(), segment.end(), segment.begin(), ::toupper);
    if(segment == "CGW")
        return new CgwSession(settings, listener);
    return new Session(settings, atoi(segment.c_str()), listener);
}
int main(int argc, char * argv[])
{
    clog << "CME iLink 3 GettingStarted Sample." << endl << endl;
    std::string marketSegmentId = "99";
    string host = "127.0.0.1";
    Port port = 49152;
    bool useEmulator = false;
    if (argc < 4)
    {
#if defined(ONIXS_ILINK3_HAS_GATEWAY_EMULATOR)
        useEmulator = true;
#else
        std::cerr << "usage: [MarketSegmentId|'CGW'] [Host] [Port] (SecurityId) (PriceMantissa)" << std::endl;
        return 1;
#endif
    }
    else
    {
        marketSegmentId = argv[1];
        host = argv[2];
        port = atoi(argv[3]);
    }
    const int securityId = argc > 4 ? atoi(argv[4]) : DefaultSecurityId;
    const Int64 priceMantissa = argc > 5 ? fromStr<Int64>(argv[5]) : DefaultPriceMantissa;
    try
    {
        SignalHelper::manageLinuxSignals();
        const SessionSettings settings = fillSettings(useEmulator);
#if defined(ONIXS_ILINK3_HAS_GATEWAY_EMULATOR)
        std::unique_ptr<GatewayEmulatorThread> gateway;
        if (useEmulator)
            gateway.reset(new GatewayEmulatorThread(settings.licenseStores(), host, port));
#endif
        Listener listener;
        ScopedPtr<Session> session(createSession(settings, marketSegmentId, &listener));
        NewOrderSingle order;
        Helper::setOrderFields(order, PartyDetailsListReqID, securityId, priceMantissa);
        Messaging::validate(order);
        if(session->negotiated())
            session->reset(true);
        session
            ->connect(host, port)
            .send(order);
        clog << "\nThe order was sent." << endl;
        Helper::waitUntilEnterKey("disconnect the session and terminate the application");
        session->disconnect();
    }
    catch(const std::exception & ex)
    {
        cerr << "\nEXCEPTION: " << ex.what() << endl;
        return 1;
    }
    return 0;
}