mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
0ed60eaf86
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4588 b45a01b8-16f6-495d-af2f-9b41ad6348cc
492 lines
12 KiB
C++
492 lines
12 KiB
C++
/*
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* libretroshare/src/pqi pqiperson.cc
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*
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* 3P/PQI 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 "pqi/pqi.h"
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#include "pqi/pqiperson.h"
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#include "pqi/pqipersongrp.h"
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#include "services/p3disc.h"
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const int pqipersonzone = 82371;
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#include "util/rsdebug.h"
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#include <sstream>
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/****
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* #define PERSON_DEBUG
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****/
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pqiperson::pqiperson(std::string id, pqipersongrp *pg)
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:PQInterface(id), active(false), activepqi(NULL),
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inConnectAttempt(false), waittimes(0),
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pqipg(pg)
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{
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/* must check id! */
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return;
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}
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pqiperson::~pqiperson()
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{
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// clean up the children.
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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pqiconnect *pc = (it->second);
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delete pc;
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}
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kids.clear();
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}
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// The PQInterface interface.
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int pqiperson::SendItem(RsItem *i,uint32_t& serialized_size)
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{
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std::ostringstream out;
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out << "pqiperson::SendItem()";
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if (active)
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{
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out << " Active: Sending On" << std::endl;
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i->print(out, 5);
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#ifdef PERSON_DEBUG
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std::cerr << out.str() << std::endl;
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#endif
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return activepqi -> SendItem(i,serialized_size);
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}
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else
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{
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out << " Not Active: Used to put in ToGo Store";
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out << std::endl;
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out << " Now deleting...";
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delete i;
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}
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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return 0; // queued.
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}
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RsItem *pqiperson::GetItem()
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{
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if (active)
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return activepqi -> GetItem();
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// else not possible.
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return NULL;
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}
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int pqiperson::status()
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{
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if (active)
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return activepqi -> status();
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return -1;
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}
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int pqiperson::receiveHeartbeat()
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{
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//pqioutput(PQL_DEBUG_ALERT, pqipersonzone, "pqiperson::receiveHeartbeat() from peer : " + PeerId());
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pqioutput(PQL_WARNING, pqipersonzone, "pqiperson::receiveHeartbeat() from peer : " + PeerId());
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lastHeartbeatReceived = time(NULL);
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return true ;
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}
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// tick......
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int pqiperson::tick()
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{
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//if lastHeartbeatReceived is 0, it might be not activated so don't do a net reset.
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if (active && (lastHeartbeatReceived != 0) &&
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(time(NULL) - lastHeartbeatReceived) > HEARTBEAT_REPEAT_TIME * 5)
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{
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std::ostringstream out;
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out << "pqiperson::tick() No heartbeat from the peer, assume connection is dead. calling pqissl::reset(), LastHeartbeat was: ";
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out << time(NULL) - lastHeartbeatReceived << " secs ago";
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pqioutput(PQL_WARNING, pqipersonzone, out.str());
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this->reset();
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}
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int activeTick = 0;
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{
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std::ostringstream out;
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out << "pqiperson::tick() Id: " << PeerId() << " ";
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if (active)
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out << "***Active***";
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else
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out << ">>InActive<<";
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out << std::endl;
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out << "Activepqi: " << activepqi << " inConnectAttempt: ";
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if (inConnectAttempt)
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out << "In Connection Attempt";
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else
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out << " Not Connecting ";
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out << std::endl;
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// tick the children.
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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if (0 < (it->second) -> tick())
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{
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activeTick = 1;
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}
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out << "\tTicking Child: " << (it->first) << std::endl;
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}
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pqioutput(PQL_DEBUG_ALL, pqipersonzone, out.str());
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} // end of pqioutput.
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return activeTick;
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}
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// callback function for the child - notify of a change.
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// This is only used for out-of-band info....
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// otherwise could get dangerous loops.
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int pqiperson::notifyEvent(NetInterface *ni, int newState)
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{
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{
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std::ostringstream out;
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out << "pqiperson::notifyEvent() Id: " << PeerId();
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out << std::endl;
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out << "Message: " << newState << " from: " << ni << std::endl;
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out << "Active pqi : " << activepqi;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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}
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/* find the pqi, */
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pqiconnect *pqi = NULL;
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uint32_t type = 0;
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std::map<uint32_t, pqiconnect *>::iterator it;
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/* start again */
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int i = 0;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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std::ostringstream out;
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out << "pqiperson::connectattempt() Kid# ";
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out << i << " of " << kids.size();
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out << std::endl;
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out << " type: " << (it->first);
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out << " ni: " << (it->second)->ni;
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out << " in_ni: " << ni;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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i++;
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if ((it->second)->thisNetInterface(ni))
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{
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pqi = (it->second);
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type = (it->first);
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}
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}
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if (!pqi)
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{
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pqioutput(PQL_WARNING, pqipersonzone, "Unknown notfyEvent Source!");
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return -1;
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}
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switch(newState)
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{
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case CONNECT_RECEIVED:
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case CONNECT_SUCCESS:
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/* notify */
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if (pqipg) {
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struct sockaddr_in remote_peer_address;
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pqi->getConnectAddress(remote_peer_address);
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pqipg->notifyConnect(PeerId(), type, true, remote_peer_address);
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}
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if ((active) && (activepqi != pqi)) // already connected - trouble
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{
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pqioutput(PQL_WARNING, pqipersonzone,
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"CONNECT_SUCCESS+active-> activing new connection, shutting others");
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// This is the RESET that's killing the connections.....
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//activepqi -> reset();
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// this causes a recursive call back into this fn.
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// which cleans up state.
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// we only do this if its not going to mess with new conn.
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}
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/* now install a new one. */
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{
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pqioutput(PQL_WARNING, pqipersonzone,
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"CONNECT_SUCCESS->marking so! (resetting others)");
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// mark as active.
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active = true;
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lastHeartbeatReceived = 0;
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activepqi = pqi;
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inConnectAttempt = false;
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/* reset all other children? (clear up long UDP attempt) */
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for(it = kids.begin(); it != kids.end(); it++)
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{
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if (!(it->second)->thisNetInterface(ni))
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{
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std::ostringstream out;
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out << "Resetting pqi ref : " << &(it->second) << std::endl;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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it->second->reset();
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} else {
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//std::cerr << "Active pqi : not resetting." << std::endl;
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}
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}
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return 1;
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}
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break;
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case CONNECT_UNREACHABLE:
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case CONNECT_FIREWALLED:
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case CONNECT_FAILED:
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if (active)
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{
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if (activepqi == pqi)
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{
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pqioutput(PQL_WARNING, pqipersonzone,
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"CONNECT_FAILED->marking so!");
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active = false;
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activepqi = NULL;
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} else
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{
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pqioutput(PQL_WARNING, pqipersonzone,
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"CONNECT_FAILED-> from an unactive connection, don't flag the peer as not connected, just try next attempt !");
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}
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}
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else
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{
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pqioutput(PQL_WARNING, pqipersonzone,
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"CONNECT_FAILED+NOT active -> try connect again");
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}
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/* notify up */
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if (pqipg)
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{
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struct sockaddr_in raddr;
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sockaddr_clear(&raddr);
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pqipg->notifyConnect(PeerId(), type, false, raddr);
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}
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return 1;
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break;
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default:
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break;
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}
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return -1;
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}
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/***************** Not PQInterface Fns ***********************/
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int pqiperson::reset()
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{
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{
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std::ostringstream out;
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out << "pqiperson::reset() resetting all pqiconnect for Id: " << PeerId();
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pqioutput(PQL_WARNING, pqipersonzone, out.str());
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}
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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(it->second) -> reset();
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}
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activepqi = NULL;
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active = false;
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lastHeartbeatReceived = 0;
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return 1;
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}
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int pqiperson::addChildInterface(uint32_t type, pqiconnect *pqi)
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{
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{
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std::ostringstream out;
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out << "pqiperson::addChildInterface() : Id " << PeerId() << " " << type;
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out << std::endl;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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}
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kids[type] = pqi;
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return 1;
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}
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/***************** PRIVATE FUNCTIONS ***********************/
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// functions to iterate over the connects and change state.
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int pqiperson::listen()
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{
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{
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std::ostringstream out;
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out << "pqiperson::listen() Id: " << PeerId();
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out << std::endl;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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}
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if (!active)
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{
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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// set them all listening.
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(it->second) -> listen();
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}
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}
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return 1;
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}
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int pqiperson::stoplistening()
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{
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{
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std::ostringstream out;
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out << "pqiperson::stoplistening() Id: " << PeerId();
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out << std::endl;
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pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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}
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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// set them all listening.
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(it->second) -> stoplistening();
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}
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return 1;
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}
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int pqiperson::connect(uint32_t type, struct sockaddr_in raddr,
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struct sockaddr_in &proxyaddr, struct sockaddr_in &srcaddr,
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uint32_t delay, uint32_t period, uint32_t timeout, uint32_t flags, uint32_t bandwidth)
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{
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#ifdef PERSON_DEBUG
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#endif
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{
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std::ostringstream out;
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out << "pqiperson::connect() Id: " << PeerId();
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out << " type: " << type;
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out << " addr: " << rs_inet_ntoa(raddr.sin_addr) << ":" << ntohs(raddr.sin_port);
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out << " proxyaddr: " << rs_inet_ntoa(proxyaddr.sin_addr) << ":" << ntohs(proxyaddr.sin_port);
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out << " srcaddr: " << rs_inet_ntoa(srcaddr.sin_addr) << ":" << ntohs(srcaddr.sin_port);
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out << " delay: " << delay;
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out << " period: " << period;
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out << " timeout: " << timeout;
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out << " flags: " << flags;
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out << " bandwidth: " << bandwidth;
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out << std::endl;
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//std::cerr << out.str();
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pqioutput(PQL_WARNING, pqipersonzone, out.str());
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}
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std::map<uint32_t, pqiconnect *>::iterator it;
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it = kids.find(type);
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if (it == kids.end())
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{
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#ifdef PERSON_DEBUG
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std::ostringstream out;
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out << "pqiperson::connect()";
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out << " missing pqiconnect";
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out << std::endl;
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std::cerr << out.str();
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//pqioutput(PQL_DEBUG_BASIC, pqipersonzone, out.str());
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#endif
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/* notify of fail! */
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pqipg->notifyConnect(PeerId(), type, false, raddr);
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return 0;
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}
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std::cerr << "pqiperson::connect() WARNING, resetting for new connection attempt" << std::endl;
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#ifdef PERSON_DEBUG
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#endif
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/* set the parameters */
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pqioutput(PQL_WARNING, pqipersonzone, "pqiperson::connect reset() before connection attempt");
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(it->second)->reset();
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#ifdef PERSON_DEBUG
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std::cerr << "pqiperson::connect() setting connect_parameters" << std::endl;
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#endif
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(it->second)->connect_parameter(NET_PARAM_CONNECT_DELAY, delay);
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(it->second)->connect_parameter(NET_PARAM_CONNECT_PERIOD, period);
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(it->second)->connect_parameter(NET_PARAM_CONNECT_TIMEOUT, timeout);
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(it->second)->connect_parameter(NET_PARAM_CONNECT_FLAGS, flags);
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(it->second)->connect_parameter(NET_PARAM_CONNECT_BANDWIDTH, bandwidth);
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(it->second)->connect_additional_address(NET_PARAM_CONNECT_PROXY, &proxyaddr);
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(it->second)->connect_additional_address(NET_PARAM_CONNECT_SOURCE, &srcaddr);
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(it->second)->connect(raddr);
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// flag if we started a new connectionAttempt.
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inConnectAttempt = true;
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return 1;
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}
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pqiconnect *pqiperson::getKid(uint32_t type)
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{
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std::map<uint32_t, pqiconnect *>::iterator it;
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if (kids.empty()) {
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return NULL;
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}
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it = kids.find(type);
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if (it == kids.end())
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{
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return NULL;
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} else {
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return it->second;
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}
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}
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float pqiperson::getRate(bool in)
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{
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// get the rate from the active one.
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if ((!active) || (activepqi == NULL))
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return 0;
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return activepqi -> getRate(in);
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}
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void pqiperson::setMaxRate(bool in, float val)
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{
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// set to all of them. (and us)
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PQInterface::setMaxRate(in, val);
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// clean up the children.
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std::map<uint32_t, pqiconnect *>::iterator it;
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for(it = kids.begin(); it != kids.end(); it++)
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{
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(it->second) -> setMaxRate(in, val);
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}
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}
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