udp_listener.cpp

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/*
 * test_udp_listener.cpp
 *
 * Copyright (C) 2008  Thomas A. Vaughan
 * All rights reserved.
 *
 * Program to test a UDP listening process.
 */

// includes --------------------------------------------------------------------
#include "netlib/netlib.h"

#include <iostream>



////////////////////////////////////////////////////////////////////////////////
//
//      static helper methods
//
////////////////////////////////////////////////////////////////////////////////




////////////////////////////////////////////////////////////////////////////////
//
//      entry point
//
////////////////////////////////////////////////////////////////////////////////

int
main
(
IN int argc,
IN const char * argv[]
)
{
        ASSERT(2 == argc, "Usage: test_udp_listener <port>");

        int port = atoi(argv[1]);
        ASSERT(port > 0, "Bad port: %d", port);

        netlib::address_t address;
        address.setlocal(port);
        address.dump("local address");
        ASSERT(address.isValid(), "invalid local address");

        netlib::conn_id_t conn_id = netlib::createUdpLocal(address);
        ASSERT(conn_id, "null");

        for (;;) {
                netlib::envelope_t envelope;
                smart_ptr<netlib::MessageBuffer> msgbuf;
                if (netlib::getNextMessage(1000, envelope, msgbuf)) {
                        netlib::dumpMessage(std::cerr,
                            "Received message from UDP client",
                            envelope, msgbuf);
                }
        }
}