test_sendrecv_recv.cxx

RTP协议

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */
static const char* const test_sendrecv_recv_cxx_Version =
    "$Id: test_sendrecv_recv.cxx,v 1.10 2002/06/25 17:01:25 bko Exp $";
//#include <sys/time.h>
#include <iostream.h>
#if !(defined(__FreeBSD__) || defined(__APPLE__))
#include <netinet/in.h>
#else
#include <sys/types.h>
#include <netinet/in.h>
//#include <resolv.h>
#endif
#include <netdb.h>
#include <sys/socket.h>
#include <string.h>
#include <stdio.h>
#include "errno.h"

#if defined(__svr4__)
typedef int socklen_t;
#endif

int main ()
{
    int socketFD;
    struct sockaddr_in localAddr;
    struct sockaddr_in remoteAddr;
    int res1;

    socketFD = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);

#ifdef __linux__
    int buf1 = 1;
    int len1 = sizeof(buf1);
    struct protoent * protoent;
    protoent = getprotobyname("icmp");

    if (!protoent)
    {
        fprintf(stderr, "Cannot get icmp protocol\n");
    }
    else
    {
        if (setsockopt(socketFD, protoent->p_proto, SO_BSDCOMPAT,
                       (char*)&buf1, len1)
                == -1)
        {
            fprintf(stderr, "setsockopt error SO_BSDCOMPAT :%s",
                    strerror(errno));
        }
    }
#endif


    memset((char*) &(localAddr), 0, sizeof(localAddr));
    localAddr.sin_family = AF_INET;
    localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
    localAddr.sin_port = htons(9000);

    memset((char*) &(remoteAddr), 0, sizeof(remoteAddr));
    remoteAddr.sin_family = AF_INET;
    remoteAddr.sin_addr.s_addr = htonl(INADDR_ANY);
    struct hostent* host = gethostbyname ("localhost");
    memcpy((char*)&(remoteAddr).sin_addr.s_addr,
           host->h_addr_list[0],  // take the first entry
           host->h_length);
    remoteAddr.sin_port = htons(9020);

    res1 = bind( socketFD, (struct sockaddr*) & (localAddr), sizeof(localAddr));
    cerr << "res1= " << res1 << endl;

    int bytes = sendto( socketFD, "hello!", 7, 0,
                        (struct sockaddr*) & remoteAddr, sizeof(sockaddr_in));
    if (bytes == -1)
    {
        cout << "sendto failed: " << strerror(errno) << endl;
        errno = 0;
    }

    cerr << "sendto" << endl;

    /*
        fd_set netFD;
        FD_ZERO (&netFD);
        FD_SET (socketFD, &netFD);
        struct timeval timeout;
        timeout.tv_sec = 0;
        timeout.tv_usec = 300;
     
        int selret = 0;
     
        while (selret <= 0 )
        {
             selret = select (socketFD + 1,
                             &netFD, NULL, NULL, &timeout);
        }
    */

    char buf[256];
    int bufSize = 256;
    memset (buf, 0, bufSize);
    struct sockaddr_in xSrc;
    unsigned int lenSrc = sizeof(xSrc);

    int len = recvfrom( socketFD,
                        (char *)buf,
                        bufSize,
                        0 /*flags */,
                        (struct sockaddr*) & xSrc,
                        (socklen_t *) & lenSrc);

    cout << "len=" << len << ", received: " << buf << endl;
    if (len == -1)
    {
        cout << "recvfrom() failed: " << errno << " : " << strerror(errno) << endl;
    }

    /*    len = recvfrom( socketFD,
                        (char *)buf, 
                        bufSize,
                        0 ,
                        (struct sockaddr*)&xSrc,
                        (socklen_t *) &lenSrc);
     
        cout << "len=" << len << ", received: " << buf << endl;
        if (len == -1)
        {
            cout << "recvfrom() failed: " << errno << " : " << strerror(errno) << endl;
        }
    */

    return 0;
}