CommunicationPolicy.cc

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00001 // $Id: CommunicationPolicy.cc 1742 2010-11-04 14:51:56Z g0dil $
00002 //
00003 // Copyright (C) 2006
00004 // Fraunhofer (FOKUS)
00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY
00006 //     Stefan Bund <g0dil@berlios.de>
00007 //
00008 // This program is free software; you can redistribute it and/or modify
00009 // it under the terms of the GNU General Public License as published by
00010 // the Free Software Foundation; either version 2 of the License, or
00011 // (at your option) any later version.
00012 //
00013 // This program is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU General Public License
00019 // along with this program; if not, write to the
00020 // Free Software Foundation, Inc.,
00021 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00022 
00027 #include "CommunicationPolicy.hh"
00028 //#include "CommunicationPolicy.ih"
00029 
00030 // Custom includes
00031 #include <sys/types.h>
00032 #include <sys/socket.h>
00033 #include <errno.h>
00034 #include <senf/Utils/Exception.hh>
00035 
00036 //#include "CommunicationPolicy.mpp"
00037 #define prefix_
00038 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00039 
00040 prefix_ void senf::ConnectedCommunicationPolicy::do_listen(FileHandle const & handle,
00041                                                            unsigned backlog)
00042 {
00043     ::listen(handle.fd(),backlog);
00044 }
00045 
00046 prefix_ int senf::ConnectedCommunicationPolicy::do_accept(FileHandle const & handle,
00047                                                           struct sockaddr * addr,
00048                                                           unsigned len)
00049 {
00050     int rv = -1;
00051     do {
00052         rv = ::accept(handle.fd(),addr,&len);
00053         if (rv < 0)
00054             switch (errno) {
00055             case EWOULDBLOCK:
00056                 return -1;
00057             case EINTR:
00058                 break;
00059             default:
00060                 SENF_THROW_SYSTEM_EXCEPTION("ConnectedCommunicationPolicy::do_accept failed.");
00061             }
00062     } while (rv<0);
00063     return rv;
00064 }
00065 
00066 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00067 #undef prefix_
00068 //#include "CommunicationPolicy.mpp"
00069 
00070 
00071 // Local Variables:
00072 // mode: c++
00073 // fill-column: 100
00074 // c-file-style: "senf"
00075 // indent-tabs-mode: nil
00076 // ispell-local-dictionary: "american"
00077 // compile-command: "scons -u test"
00078 // comment-column: 40
00079 // End:
SENF Extensible Network Framework

CommunicationPolicy.cc
