TCPServerSocket.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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const TCPServerSocket_cxx_Version =
- "$Id: TCPServerSocket.cxx,v 1.9 2001/06/26 22:54:22 icahoon Exp $";
- #include "TCPServerSocket.hxx"
- #include "SystemException.hxx"
- #include "SystemStatus.hxx"
- #include "IPAddress.hxx"
- #include "TCPClientSocket.hxx"
- #include "VLog.hxx"
- #include <cerrno>
- using Vocal::Transport::TCPServerSocket;
- using Vocal::Transport::StreamServerSocket;
- using Vocal::Transport::TCPClientSocket;
- using Vocal::Transport::IPAddress;
- using Vocal::IO::file_descriptor_t;
- using Vocal::Logging::VLog;
- TCPServerSocket::TCPServerSocket(
- int backlog,
- const char * name,
- const char * acceptedName
- )
- throw ( Vocal::SystemException )
- : StreamServerSocket(
- AddressFamily(AF_INET),
- backlog,
- (name ? name : "TCPServer")),
- acceptedName_(acceptedName ? acceptedName : "")
- {
- }
- TCPServerSocket::TCPServerSocket(
- const IPAddress & localAddr,
- int backlog,
- const char * name,
- const char * acceptedName
- )
- throw ( Vocal::SystemException )
- : StreamServerSocket(
- localAddr,
- backlog,
- (name ? name : "TCPServer")),
- acceptedName_(acceptedName ? acceptedName : "")
- {
- }
- TCPServerSocket::~TCPServerSocket()
- {
- }
- Sptr<TCPClientSocket>
- TCPServerSocket::accept()
- throw ( Vocal::SystemException, Vocal::SystemStatus )
- {
- const string fn("TCPServerSocket::accept");
- VLog log(fn);
- file_descriptor_t newFd = INVALID;
- IPAddress remoteAddr;
- socklen_t length = remoteAddr.getAddressLength();
-
- if ( (newFd = ::accept(fd_,
- remoteAddr.getAddress(),
- &length)) == INVALID
- )
- {
- int error = errno;
-
- // If the socket is set nonblocking, we can get an EAGAIN
- // here, without receiving the packet. If the socket is set
- // blocking we can get an EINTR here, without receiving the packet.
- // We'll throw a SystemStatus.
- //
- if ( error == EAGAIN || error == EINTR )
- {
- throw Vocal::SystemStatus(fn + " on accept(): " + strerror(error),
- __FILE__, __LINE__, error);
- }
- throw Vocal::SystemException(fn + ": " + strerror(error),
- __FILE__, __LINE__, error);
- }
- Sptr<TCPClientSocket> newClientSocket
- = new TCPClientSocket(newFd, remoteAddr, acceptedName_.c_str());
-
- return ( newClientSocket );
- }