test_recv.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * 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 vocal@vovida.org.
- *
- * 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/>.
- *
- */
- #include <iostream.h>
- #include <netinet/in.h>
- #include <sys/socket.h>
- #include <netdb.h>
- #include <string.h>
- #include "errno.h"
- int main ()
- {
- int socketFD;
- struct sockaddr_in localAddr;
- struct sockaddr_in remoteAddr;
- int res1;
- socketFD = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- memset((char*) &(localAddr),0, sizeof(localAddr));
- localAddr.sin_family = AF_INET;
- localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
- localAddr.sin_port = htons(10100);
- res1 = bind( socketFD, (struct sockaddr*) &(localAddr), sizeof(localAddr));
- 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;
- }
- return 0;
- }