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https://github.com/RetroShare/RetroShare.git
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de87a89437
You can enable the debugging of the waiting time for a lock of RsMutex in rsthreads.h with #define RSMUTEX_DEBUG 300 That means all locks waiting longer than 300ms are logged into the stderr. git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4392 b45a01b8-16f6-495d-af2f-9b41ad6348cc
145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
/*
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* tcponudp/udppeer.cc
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*
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* libretroshare.
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*
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* Copyright 2010 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 3 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 "udppeer.h"
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#include <iostream>
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/*
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* #define DEBUG_UDP_PEER 1
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*/
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UdpPeerReceiver::UdpPeerReceiver(UdpPublisher *pub)
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:UdpSubReceiver(pub), peerMtx("UdpSubReceiver")
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{
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return;
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}
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/* higher level interface */
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int UdpPeerReceiver::recvPkt(void *data, int size, struct sockaddr_in &from)
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{
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/* print packet information */
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::recvPkt(" << size << ") from: " << from;
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std::cerr << std::endl;
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#endif
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RsStackMutex stack(peerMtx); /********** LOCK MUTEX *********/
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/* look for a peer */
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std::map<struct sockaddr_in, UdpPeer *>::iterator it;
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it = streams.find(from);
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if (it == streams.end())
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{
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/* peer unknown */
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::recvPkt() Peer Unknown!";
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std::cerr << std::endl;
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#endif
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return 0;
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}
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else
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{
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/* forward to them */
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::recvPkt() Sending to UdpPeer: ";
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std::cerr << it->first;
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std::cerr << std::endl;
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#endif
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(it->second)->recvPkt(data, size);
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return 1;
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}
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/* done */
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}
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int UdpPeerReceiver::status(std::ostream &out)
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{
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RsStackMutex stack(peerMtx); /********** LOCK MUTEX *********/
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out << "UdpPeerReceiver::status()" << std::endl;
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out << "UdpPeerReceiver::peers:" << std::endl;
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std::map<struct sockaddr_in, UdpPeer *>::iterator it;
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for(it = streams.begin(); it != streams.end(); it++)
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{
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out << "\t" << it->first << std::endl;
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}
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out << std::endl;
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return 1;
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}
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/* add a TCPonUDP stream */
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int UdpPeerReceiver::addUdpPeer(UdpPeer *peer, const struct sockaddr_in &raddr)
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{
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RsStackMutex stack(peerMtx); /********** LOCK MUTEX *********/
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/* check for duplicate */
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std::map<struct sockaddr_in, UdpPeer *>::iterator it;
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it = streams.find(raddr);
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bool ok = (it == streams.end());
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if (!ok)
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{
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::addUdpPeer() Peer already exists!" << std::endl;
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std::cerr << "UdpPeerReceiver::addUdpPeer() ERROR" << std::endl;
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#endif
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}
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else
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{
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streams[raddr] = peer;
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}
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return ok;
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}
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int UdpPeerReceiver::removeUdpPeer(UdpPeer *peer)
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{
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RsStackMutex stack(peerMtx); /********** LOCK MUTEX *********/
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/* check for duplicate */
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std::map<struct sockaddr_in, UdpPeer *>::iterator it;
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for(it = streams.begin(); it != streams.end(); it++)
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{
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if (it->second == peer)
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{
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::removeUdpPeer() SUCCESS" << std::endl;
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#endif
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streams.erase(it);
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return 1;
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}
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}
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#ifdef DEBUG_UDP_PEER
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std::cerr << "UdpPeerReceiver::removeUdpPeer() ERROR" << std::endl;
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#endif
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return 0;
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}
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