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https://github.com/RetroShare/RetroShare.git
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Created V0.3.x branch and moved the head into the trunk directory.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@246 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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drbob
commit
935745a08e
1318 changed files with 348809 additions and 0 deletions
284
libretroshare/src/tcponudp/udp_server.cc
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284
libretroshare/src/tcponudp/udp_server.cc
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/*
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* "$Id: udp_server.cc,v 1.4 2007-02-18 21:46:50 rmf24 Exp $"
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*
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* TCP-on-UDP (tou) network interface for RetroShare.
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*
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* Copyright 2004-2006 by Robert Fernie.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "udplayer.h"
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#include "tcpstream.h"
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#include <iostream>
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/* unix only
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#include <netinet/in.h>
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#include <arpa/inet.h>
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*/
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#include "tou_net.h"
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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void usage(char *name)
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{
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std::cerr << "Usage: " << name;
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std::cerr << " [-pco] <laddr> <lport> ";
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std::cerr << " <raddr> <rport> ";
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std::cerr << std::endl;
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exit(1);
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return;
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}
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int main(int argc, char **argv)
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{
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int c;
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bool isProxy = false;
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bool toConnect = false;
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bool stayOpen = false;
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while(-1 != (c = getopt(argc, argv, "f:pco")))
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{
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switch (c)
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{
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case 'p':
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isProxy = true;
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break;
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case 'c':
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toConnect = true;
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break;
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case 'o':
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stayOpen = true;
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break;
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case 'f':
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/* this can only work when the define below exists in tcpstream */
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#ifdef DEBUG_TCP_STREAM_EXTRA
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setupBinaryCheck(std::string(optarg));
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#else
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std::cerr << "Binary Check no Enabled!" << std::endl;
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#endif
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break;
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default:
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usage(argv[0]);
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break;
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}
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}
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if (argc-optind < 4)
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{
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usage(argv[0]);
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return 1;
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}
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/* setup the local/remote addresses.
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*/
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tounet_init();
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struct sockaddr_in laddr;
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struct sockaddr_in raddr;
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laddr.sin_family = AF_INET;
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raddr.sin_family = AF_INET;
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if ((!tounet_inet_aton(argv[optind], &(laddr.sin_addr))) ||
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(!tounet_inet_aton(argv[optind+2], &(raddr.sin_addr))))
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{
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std::cerr << "Invalid addresses!" << std::endl;
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usage(argv[0]);
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}
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laddr.sin_port = htons(atoi(argv[optind+1]));
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raddr.sin_port = htons(atoi(argv[optind+3]));
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std::cerr << "Local Address: " << laddr << std::endl;
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std::cerr << "Remote Address: " << raddr << std::endl;
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//LossyUdpLayer udpl(laddr, 0.01);
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UdpLayer udpl(laddr);
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if (!udpl.openSocket())
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{
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std::cerr << "Cannot Open Local Address: " << laddr << std::endl;
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exit(1);
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}
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udpl.setRemoteAddr(raddr);
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TcpStream tcp(&udpl);
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if (toConnect)
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{
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tcp.connect();
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}
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while(!tcp.isConnected())
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{
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sleep(1);
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std::cerr << "Waiting for TCP to Connect!" << std::endl;
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udpl.status(std::cerr);
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tcp.status(std::cerr);
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tcp.tick();
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}
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std::cerr << "TCP Connected***************************" << std::endl;
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udpl.status(std::cerr);
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tcp.status(std::cerr);
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std::cerr << "TCP Connected***************************" << std::endl;
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int count = 1;
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if (toConnect)
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{
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/* send data */
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int bufsize = 51;
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char buffer[bufsize];
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int readsize = 0;
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tounet_fcntl(0, F_SETFL, O_NONBLOCK);
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bool done = false;
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bool blockread = false;
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while(!done)
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{
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//sleep(1);
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usleep(10000);
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//usleep(1000);
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if (blockread != true)
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{
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readsize = read(0, buffer, bufsize);
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}
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if (readsize == 0)
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{
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/* eof */
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done = true;
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}
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else if ((readsize == -1) && ( EAGAIN == errno ))
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{
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continue;
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}
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/* now we write */
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if (-1 == tcp.write(buffer, readsize))
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blockread = true;
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else
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blockread = false;
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tcp.tick();
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if (count++ % 10 == 0)
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{
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std::cerr << "******************************************" << std::endl;
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tcp.status(std::cerr);
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}
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}
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tcp.closeWrite();
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while(!tcp.widle())
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{
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sleep(1);
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//usleep(10000);
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//usleep(1000);
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tcp.tick();
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if (count++ % 10 == 0)
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{
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std::cerr << "Waiting for Idle()" << std::endl;
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std::cerr << "******************************************" << std::endl;
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tcp.status(std::cerr);
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}
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}
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std::cerr << "Transfer Complete: " << tcp.wbytes() << " bytes";
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std::cerr << std::endl;
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return 1;
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}
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/* recv data */
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int bufsize = 1523;
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char data[bufsize];
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tounet_fcntl(1,F_SETFL,O_NONBLOCK);
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while(1)
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{
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//sleep(1);
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usleep(10000);
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//usleep(1000);
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//int writesize = bufsize;
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int ret;
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if (0 < (ret = tcp.read(data, bufsize)))
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{
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std::cerr << "TF(" << ret << ")" << std::endl;
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write(1, data, ret);
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}
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else if (ret == 0)
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{
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/* completed transfer */
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std::cerr << "Transfer complete :" << tcp.rbytes();
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std::cerr << " bytes" << std::endl;
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break;
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}
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tcp.tick();
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if (count++ % 10 == 0)
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{
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std::cerr << "******************************************" << std::endl;
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tcp.status(std::cerr);
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}
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if ((!stayOpen) && tcp.ridle())
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{
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std::cerr << "Transfer Idle after " << tcp.rbytes();
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std::cerr << " bytes" << std::endl;
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close(1);
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break;
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}
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}
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tcp.closeWrite();
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/* tick for a bit */
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while((stayOpen) || (!tcp.ridle()))
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{
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tcp.tick();
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sleep(1);
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if (count++ % 10 == 0)
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{
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std::cerr << "Waiting for Idle()" << std::endl;
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std::cerr << "******************************************" << std::endl;
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tcp.status(std::cerr);
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}
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}
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if ((!stayOpen) && tcp.ridle())
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{
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//std::cerr << "Transfer complete :" << tcp.rbytes();
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//std::cerr << " bytes" << std::endl;
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close(1);
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return 1;
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}
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return 1;
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}
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