RetroShare/libretroshare/src/pqi/p3connmgr.cc

/*
 * libretroshare/src/pqi: p3connmgr.cc
 *
 * 3P/PQI network interface for RetroShare.
 *
 * Copyright 2007-2008 by Robert Fernie.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License Version 2 as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 *
 * Please report all bugs and problems to "retroshare@lunamutt.com".
 *
 */

#include "pqi/p3connmgr.h"
#include "pqi/p3dhtmgr.h" // Only need it for constants.
#include "tcponudp/tou.h"
#include "tcponudp/extaddrfinder.h"
#include "util/rsnet.h"

#include "util/rsprint.h"
#include "util/rsdebug.h"
const int p3connectzone = 3431;

#include "serialiser/rsconfigitems.h"
#include "pqi/pqinotify.h"

#include <sstream>

/* Network setup States */

const uint32_t RS_NET_NEED_RESET = 	0x0000;
const uint32_t RS_NET_UNKNOWN = 	0x0001;
const uint32_t RS_NET_UPNP_INIT = 	0x0002;
const uint32_t RS_NET_UPNP_SETUP =  	0x0004;
const uint32_t RS_NET_DONE =    	0x0005;
const uint32_t RS_NET_LOOPBACK =    	0x0006;
const uint32_t RS_NET_MODE_DOWN =    	0x0007;

/* Stun modes (TODO) */
const uint32_t RS_STUN_DHT =      	0x0001;
const uint32_t RS_STUN_DONE =      	0x0002;
const uint32_t RS_STUN_LIST_MIN =      	100;
const uint32_t RS_STUN_FOUND_MIN =     	10;

const uint32_t MAX_UPNP_INIT = 		60; /* seconds UPnP timeout */
const uint32_t MAX_NETWORK_INIT =	70; /* timeout before network reset */

const uint32_t MIN_TIME_BETWEEN_NET_RESET = 		5;

const uint32_t PEER_IP_CONNECT_STATE_MAX_LIST_SIZE =     	6;

/****
 * #define CONN_DEBUG 1
 ***/
/****
 * #define P3CONNMGR_NO_TCP_CONNECTIONS 1
 ***/
/****
 * #define P3CONNMGR_NO_AUTO_CONNECTION 1
 ***/

const uint32_t P3CONNMGR_TCP_DEFAULT_DELAY = 2; /* 2 Seconds? is it be enough! */
const uint32_t P3CONNMGR_UDP_DEFAULT_DELAY = 2; /* 2 Seconds? is it be enough! */
const uint32_t P3CONNMGR_UDP_DEFAULT_PERIOD = 20; //a random timeout is set between P3CONNMGR_UDP_DEFAULT_PERIOD and 2 * P3CONNMGR_UDP_DEFAULT_PERIOD in the implementation

#define MAX_AVAIL_PERIOD 180 //times a peer stay in available state when not connected
#define MIN_RETRY_PERIOD 90

void  printConnectState(peerConnectState &peer);

peerConnectAddress::peerConnectAddress()
	:delay(0), period(0), type(0), ts(0)
{
	sockaddr_clear(&addr);
}


peerAddrInfo::peerAddrInfo()
	:found(false), type(0), ts(0)
{
	sockaddr_clear(&laddr);
	sockaddr_clear(&raddr);
}

peerConnectState::peerConnectState()
	:id("unknown"), 
	 netMode(RS_NET_MODE_UNKNOWN), visState(RS_VIS_STATE_STD), 
	 lastcontact(0),
	 connecttype(0),
	 lastavailable(0),
	 lastattempt(0),
	 name("nameless"), state(0), actions(0), 
	 source(0), 
	 inConnAttempt(0)
{
	sockaddr_clear(&currentlocaladdr);
	sockaddr_clear(&currentserveraddr);

	return;
}

std::string textPeerConnectState(peerConnectState &state)
{
	std::ostringstream out;
	out << "Id: " << state.id << std::endl;
	out << "NetMode: " << state.netMode << std::endl;
	out << "VisState: " << state.visState << std::endl;
	out << "laddr: " << inet_ntoa(state.currentlocaladdr.sin_addr)
		<< ":" << ntohs(state.currentlocaladdr.sin_port) << std::endl;
	out << "eaddr: " << inet_ntoa(state.currentserveraddr.sin_addr)
		<< ":" << ntohs(state.currentserveraddr.sin_port) << std::endl;

	std::string output = out.str();
	return output;
}



p3ConnectMgr::p3ConnectMgr(p3AuthMgr *am)
	:p3Config(CONFIG_TYPE_PEERS), 
	mAuthMgr(am), mNetStatus(RS_NET_UNKNOWN), 
	mStunStatus(0), mStunFound(0), mStunMoreRequired(true), 
	mStatusChanged(false)
{
	/* setup basics of own state */
	if (am)
	{
		ownState.id = mAuthMgr->OwnId();
		ownState.name = mAuthMgr->getName(ownState.id);
		ownState.netMode = RS_NET_MODE_UDP;
	}
	//use_extr_addr_finder = true ;
	use_extr_addr_finder = false;
        allow_tunnel_connection = true;
	mExtAddrFinder = new ExtAddrFinder ;

	return;
}

void  p3ConnectMgr::getIPServersList(std::list<std::string>& ip_servers) 
{ 
	mExtAddrFinder->getIPServersList(ip_servers);
}

void p3ConnectMgr::setIPServersEnabled(bool b)
{
	use_extr_addr_finder = b ;

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
	std::cerr << "p3ConnectMgr: setIPServers to " << b << std::endl ; 
}

void p3ConnectMgr::setTunnelConnection(bool b)
{
        allow_tunnel_connection = b ;

        IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
}

void p3ConnectMgr::setOwnNetConfig(uint32_t netMode, uint32_t visState)
{
	/* only change TRY flags */

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::setOwnNetConfig()" << std::endl;
	std::cerr << "Existing netMode: " << ownState.netMode << " vis: " << ownState.visState;
	std::cerr << std::endl;
	std::cerr << "Input netMode: " << netMode << " vis: " << visState;
	std::cerr << std::endl;
#endif
	ownState.netMode &= ~(RS_NET_MODE_TRYMODE);

#ifdef CONN_DEBUG
	std::cerr << "After Clear netMode: " << ownState.netMode << " vis: " << ownState.visState;
	std::cerr << std::endl;
#endif

	switch(netMode & RS_NET_MODE_ACTUAL)
	{
		case RS_NET_MODE_EXT:
			ownState.netMode |= RS_NET_MODE_TRY_EXT;
			break;
		case RS_NET_MODE_UPNP:
			ownState.netMode |= RS_NET_MODE_TRY_UPNP;
			break;
		default:
		case RS_NET_MODE_UDP:
			ownState.netMode |= RS_NET_MODE_TRY_UDP;
			break;
	}

	ownState.visState = visState;

#ifdef CONN_DEBUG
	std::cerr << "Final netMode: " << ownState.netMode << " vis: " << ownState.visState;
	std::cerr << std::endl;
#endif

	/* if we've started up - then tweak Dht On/Off */
	if (mNetStatus != RS_NET_UNKNOWN)
	{
                //enableNetAssistConnect(!(ownState.visState & RS_VIS_STATE_NODHT));
                //DHT disabled
	}

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
}


/***** Framework / initial implementation for a connection manager.
 *
 * This needs a state machine for Initialisation.
 *
 * Network state:
 *   RS_NET_UNKNOWN
 *   RS_NET_EXT_UNKNOWN * forwarded port (but Unknown Ext IP) *
 *   RS_NET_EXT_KNOWN   * forwarded port with known IP/Port. *
 *
 *   RS_NET_UPNP_CHECK  * checking for UPnP *
 *   RS_NET_UPNP_KNOWN  * confirmed UPnP ext Ip/port *
 *
 *   RS_NET_UDP_UNKNOWN * not Ext/UPnP - to determine Ext IP/Port *
 *   RS_NET_UDP_KNOWN   * have Stunned for Ext Addr *
 *
 *  Transitions:
 *
 *  RS_NET_UNKNOWN -(config)-> RS_NET_EXT_UNKNOWN 
 *  RS_NET_UNKNOWN -(config)-> RS_NET_UPNP_UNKNOWN  
 *  RS_NET_UNKNOWN -(config)-> RS_NET_UDP_UNKNOWN
 *              
 *  RS_NET_EXT_UNKNOWN -(DHT(ip)/Stun)-> RS_NET_EXT_KNOWN
 *
 *  RS_NET_UPNP_UNKNOWN -(Upnp)-> RS_NET_UPNP_KNOWN
 *  RS_NET_UPNP_UNKNOWN -(timout/Upnp)-> RS_NET_UDP_UNKNOWN
 *
 *  RS_NET_UDP_UNKNOWN -(stun)-> RS_NET_UDP_KNOWN
 *
 *
 * STUN state:
 * 	RS_STUN_INIT * done nothing *
 * 	RS_STUN_DHT  * looking up peers *
 * 	RS_STUN_DONE * found active peer and stunned *
 *
 *
 * Steps.
 *******************************************************************
 * (1) Startup.
 * 	- UDP port setup.
 * 	- DHT setup.
 * 	- Get Stun Keys -> add to DHT.
 *	- Feedback from DHT -> ask UDP to stun.
 *
 * (1) determine Network mode.
 *	If external Port.... Done: 
 * (2) 
 *******************************************************************
 * Stable operation:
 * (1) tick and check peers.
 * (2) handle callback.
 * (3) notify of new/failed connections.
 *
 *
 */

/* Called to reseet the whole network stack. this call is 
 * triggered by udp stun address tracking.
 *
 * must:
 * 	- reset UPnP and DHT.
 * 	- 
 */

void p3ConnectMgr::netReset()
{

	std::cerr << "p3ConnectMgr::netReset()" << std::endl;
	//don't do a net reset if the MIN_TIME_BETWEEN_NET_RESET is not reached
	time_t delta = time(NULL) - mNetInitTS;
	#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr time since last reset : " << delta << std::endl;
	#endif
	if (delta < MIN_TIME_BETWEEN_NET_RESET) {
	    {
		    RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
		    mNetStatus = RS_NET_NEED_RESET;
	    }
	    #ifdef CONN_DEBUG
		    std::cerr << "p3ConnectMgr::netStartup() don't do a net reset if the MIN_TIME_BETWEEN_NET_RESET is not reached" << std::endl;
	    #endif
	    return;
	}

	std::cerr << "p3ConnectMgr::netReset() shutdown" << std::endl;

	shutdown(); /* blocking shutdown call */

	// Will initiate a new call for determining the external ip.
	mExtAddrFinder->reset() ;

	std::cerr << "p3ConnectMgr::netReset() reset NetStatus" << std::endl;
	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
        	mNetStatus = RS_NET_UNKNOWN;
		netStatusReset();
	}

	std::cerr << "p3ConnectMgr::netReset() checkNetAddress" << std::endl;
	/* check Network Address */
	checkNetAddress();

	/* reset udp network - handled by tou_init! */
	/* reset tcp network - if necessary */
	{
		/* NOTE: nNetListeners should be protected via the Mutex.
		 * HOWEVER, as we NEVER change this list - once its setup
		 * we can get away without it - and assume its constant.
		 * 
		 * NB: (*it)->reset_listener must be out of the mutex, 
		 *      as it calls back to p3ConnMgr.
		 */

		std::cerr << "p3ConnectMgr::netReset() resetting listeners" << std::endl;
		std::list<pqiNetListener *>::const_iterator it;
		for(it = mNetListeners.begin(); it != mNetListeners.end(); it++)
		{
			std::cerr << "p3ConnectMgr::netReset() reset listener" << std::endl;
			(*it)->reset_listener();
		}
	}

	std::cerr << "p3ConnectMgr::netReset() done" << std::endl;
}

/* to allow resets of network stuff */
void    p3ConnectMgr::addNetListener(pqiNetListener *listener)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	mNetListeners.push_back(listener);
}


void p3ConnectMgr::netStatusReset()
{
	//std::cerr << "p3ConnectMgr::netStatusReset()" << std::endl;;
	netFlagExtraAddressCheckOk = false;
	netFlagLocalOk = false;
	netFlagUpnpOk = false;
	netFlagDhtOk = false;
	netFlagStunOk = false;

	for(std::map<std::string, peerConnectState>::iterator it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		it->second.state &= ~RS_PEER_S_CONNECTED ;
		it->second.lastattempt = time(NULL) - MIN_RETRY_PERIOD + 5 ;	// forces immediate re-connexion in 5 seconds
	}

	IndicateConfigChanged();
}

void p3ConnectMgr::netStartup()
{
	/* startup stuff */

	/* StunInit gets a list of peers, and asks the DHT to find them...
	 * This is needed for all systems so startup straight away 
	 */
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netStartup()" << std::endl;
#endif

        //netDhtInit(); //DHT disabled
	netUdpInit();
	netStunInit();

	/* decide which net setup mode we're going into 
	 */

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	netStatusReset();

	mNetInitTS = time(NULL);
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netStartup() resetting mNetInitTS timestamp" << std::endl;
	std::cerr << "p3ConnectMgr::netStartup() tou_stunkeepalive() enabled" << std::endl;
#endif
	tou_stunkeepalive(1);
	mStunMoreRequired = true;

	ownState.netMode &= ~(RS_NET_MODE_ACTUAL);

	switch(ownState.netMode & RS_NET_MODE_TRYMODE)
	{

		case RS_NET_MODE_TRY_EXT:  /* v similar to UDP */
			ownState.netMode |= RS_NET_MODE_EXT;
			mNetStatus = RS_NET_DONE;
			break;

		case RS_NET_MODE_TRY_UDP:
			ownState.netMode |= RS_NET_MODE_UDP;
			mNetStatus = RS_NET_DONE;
			break;

		case RS_NET_MODE_TRY_UPNP:
		default:
			/* Force it here (could be default!) */
			ownState.netMode |= RS_NET_MODE_TRY_UPNP;
			ownState.netMode |= RS_NET_MODE_UDP;      /* set to UDP, upgraded is UPnP is Okay */
			mNetStatus = RS_NET_UPNP_INIT;
			break;
	}
}


void p3ConnectMgr::tick()
{
	netTick();
	statusTick();
	tickMonitors();

}

bool p3ConnectMgr::shutdown() /* blocking shutdown call */
{
	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
		mNetStatus = RS_NET_UNKNOWN;
		mNetInitTS = time(NULL);
		netStatusReset();
	}
	netAssistFirewallShutdown();
	netAssistConnectShutdown();

	return true;
}


void    p3ConnectMgr::statusTick()
{
	/* iterate through peers ... 
	 * 	if been available for long time ... remove flag
	 * 	if last attempt a while - retryConnect. 
	 * 	etc.
	 */

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::statusTick()" << std::endl;
#endif
	std::list<std::string> retryIds;
	std::list<std::string>::iterator it2;

	time_t now = time(NULL);
	time_t oldavail = now - MAX_AVAIL_PERIOD;
	time_t retry = now - MIN_RETRY_PERIOD;

      {
      	RsStackMutex stack(connMtx);  /******   LOCK MUTEX ******/
        std::map<std::string, peerConnectState>::iterator it;
	for(it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		if (it->second.state & RS_PEER_S_CONNECTED)
		{
			continue;
		}

		if ((it->second.state & RS_PEER_S_ONLINE) &&
			(it->second.lastavailable < oldavail))
		{
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::statusTick() ONLINE TIMEOUT for: ";
			std::cerr << it->first;
			std::cerr << std::endl;
#endif
			it->second.state &= (~RS_PEER_S_ONLINE);
		}

		if (it->second.lastattempt < retry)
		{
			retryIds.push_back(it->first);
		}
	}
      }

#ifndef P3CONNMGR_NO_AUTO_CONNECTION 

        for(it2 = retryIds.begin(); it2 != retryIds.end(); it2++)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::statusTick() RETRY TIMEOUT for: ";
		std::cerr << *it2;
		std::cerr << std::endl;
#endif
		/* retry it! */
		retryConnectTCP(*it2);
	}

#endif

}


void p3ConnectMgr::netTick()
{

#ifdef CONN_DEBUG
	//std::cerr << "p3ConnectMgr::netTick()" << std::endl;
#endif

	// Check whether we are stuck on loopback. This happens if RS starts when
	// the computer is not yet connected to the internet. In such a case we
	// periodically check for a local net address.
	//
	checkNetAddress() ;
	networkConsistencyCheck(); /* check consistency. If not consistent, do a reset inside  networkConsistencyCheck() */

	connMtx.lock();   /*   LOCK MUTEX */

	uint32_t netStatus = mNetStatus;

	connMtx.unlock(); /* UNLOCK MUTEX */

	switch(netStatus)
	{
		case RS_NET_NEED_RESET:

#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::netTick() STATUS: NEED_RESET" << std::endl;
#endif
			netReset();
			break;

		case RS_NET_UNKNOWN:
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::netTick() STATUS: UNKNOWN" << std::endl;
#endif
			netStartup();
			break;

		case RS_NET_UPNP_INIT:
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::netTick() STATUS: UPNP_INIT" << std::endl;
#endif
			netExtFinderAddressCheck();
			netUpnpInit();
			break;

		case RS_NET_UPNP_SETUP:
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::netTick() STATUS: UPNP_SETUP" << std::endl;
#endif
			netUpnpCheck();
			break;

		case RS_NET_DONE:
#ifdef CONN_DEBUG
			//std::cerr << "p3ConnectMgr::netTick() STATUS: DONE" << std::endl;
#endif

			break;

		case RS_NET_LOOPBACK:
                        //don't do a shutdown because a client in a computer without local network might be usefull for debug.
                        //shutdown();
#ifdef CONN_DEBUG
                        std::cerr << "p3ConnectMgr::netTick() STATUS: RS_NET_LOOPBACK" << std::endl;
#endif
		default:
			break;
	}

	return;
}


void p3ConnectMgr::netUdpInit()
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netUdpInit()" << std::endl;
#endif
	connMtx.lock();   /*   LOCK MUTEX */

	struct sockaddr_in iaddr = ownState.currentlocaladdr;

	connMtx.unlock(); /* UNLOCK MUTEX */

	/* open our udp port */
	tou_init((struct sockaddr *) &iaddr, sizeof(iaddr));
}


void p3ConnectMgr::netDhtInit()
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netDhtInit()" << std::endl;
#endif
	connMtx.lock();   /*   LOCK MUTEX */

	uint32_t vs = ownState.visState;

	connMtx.unlock(); /* UNLOCK MUTEX */

        //enableNetAssistConnect(!(vs & RS_VIS_STATE_NODHT));
        //DHT disabled
}


void p3ConnectMgr::netUpnpInit()
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netUpnpInit()" << std::endl;
#endif
	uint16_t eport, iport;

	connMtx.lock();   /*   LOCK MUTEX */

	/* get the ports from the configuration */

	mNetStatus = RS_NET_UPNP_SETUP;
	iport = ntohs(ownState.currentlocaladdr.sin_port);
	eport = ntohs(ownState.currentserveraddr.sin_port);
	if ((eport < 1000) || (eport > 30000))
	{
		eport = iport;
	}

	connMtx.unlock(); /* UNLOCK MUTEX */

	netAssistFirewallPorts(iport, eport);
	enableNetAssistFirewall(true);
}

void p3ConnectMgr::netUpnpCheck()
{
	/* grab timestamp */
	connMtx.lock();   /*   LOCK MUTEX */

	time_t delta = time(NULL) - mNetInitTS;
	#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr time since last reset : " << delta << std::endl;
	#endif

	connMtx.unlock(); /* UNLOCK MUTEX */

	struct sockaddr_in extAddr;
	int upnpState = netAssistFirewallActive();

	if ((upnpState == 0) && (delta > MAX_UPNP_INIT))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::netUpnpCheck() ";
		std::cerr << "Upnp Check failed." << std::endl;
#endif
		/* fallback to UDP startup */
		connMtx.lock();   /*   LOCK MUTEX */

		/* UPnP Failed us! */
		mNetStatus = RS_NET_DONE;

		connMtx.unlock(); /* UNLOCK MUTEX */
	}
	else if ((upnpState > 0) && netAssistExtAddress(extAddr))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::netUpnpCheck() ";
		std::cerr << "Upnp Check successed." << std::endl;
#endif
		/* switch to UDP startup */
		connMtx.lock();   /*   LOCK MUTEX */

		/* Set Net Status flags ....
		 * we now have external upnp address. Golden!
		 * don't set netOk flag until have seen some traffic.
		 */

		netFlagUpnpOk = true;

		mNetStatus = RS_NET_DONE;
		/* Fix netMode & Clear others! */
		ownState.netMode = RS_NET_MODE_TRY_UPNP | RS_NET_MODE_UPNP; 

		connMtx.unlock(); /* UNLOCK MUTEX */
	}
}

void p3ConnectMgr::networkConsistencyCheck()
{
	time_t delta;
#ifdef CONN_DEBUG
	delta = time(NULL) - mNetInitTS;
        std::cerr << "p3ConnectMgr::networkConsistencyCheck() time since last reset : " << delta << std::endl;
#endif

	bool doNetReset = false;
	//if one of the flag is degrated from true to false during last tick, let's do a reset
	#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::networkConsistencyCheck() net flags : " << std::endl;
		std::cerr << "	oldnetFlagLocalOk : " << oldnetFlagLocalOk << ". netFlagLocalOk : " << netFlagLocalOk << "." << std::endl;
		std::cerr << "	oldnetFlagUpnpOk : " << oldnetFlagUpnpOk << ". netFlagUpnpOk : " << netFlagUpnpOk << "." << std::endl;
		std::cerr << "	oldnetFlagDhtOk : " << oldnetFlagDhtOk << ". netFlagDhtOk : " << netFlagDhtOk << "." << std::endl;
		std::cerr << "	oldnetFlagStunOk : " << oldnetFlagStunOk << ". netFlagStunOk : " << netFlagStunOk << "." << std::endl;
		std::cerr << "	oldnetFlagExtraAddressCheckOk : " << oldnetFlagExtraAddressCheckOk << ". netFlagExtraAddressCheckOk : " << netFlagExtraAddressCheckOk << "." << std::endl;
	#endif
        if ( !netFlagLocalOk
	    || (!netFlagUpnpOk && oldnetFlagUpnpOk)
	    || (!netFlagDhtOk && oldnetFlagDhtOk)
	    || (!netFlagStunOk && oldnetFlagStunOk)
	    || (!netFlagExtraAddressCheckOk && oldnetFlagExtraAddressCheckOk)
	    ) {
	    #ifdef CONN_DEBUG
		    std::cerr << "p3ConnectMgr::networkConsistencyCheck() A net flag went down." << std::endl;
	    #endif

	    //don't do a normal shutdown for upnp as it might hang up.
	    //With a 0 port it will just dereference and not attemps to communicate for shutting down upnp session.
	    netAssistFirewallPorts(0, 0);

	    doNetReset = true;
	}

	connMtx.lock(); /* LOCK MUTEX */
	//storing old flags
	oldnetFlagLocalOk = netFlagLocalOk;
	oldnetFlagUpnpOk = netFlagUpnpOk;
	oldnetFlagDhtOk = netFlagDhtOk;
	oldnetFlagStunOk = netFlagStunOk;
	oldnetFlagExtraAddressCheckOk = netFlagExtraAddressCheckOk;

        if (!doNetReset) {//set an external address. if ip adresses are different, let's use the stun address, then the extaddrfinder and then the upnp address.
            struct sockaddr_in extAddr;
            if (getUpnpExtAddress(extAddr)) {
                #ifdef CONN_DEBUG
                    std::cerr << "p3ConnectMgr::networkConsistencyCheck() using getUpnpExtAddress for ownState.serveraddr." << std::endl;
                #endif
                ownState.currentserveraddr = extAddr;
            } else if (getExtFinderExtAddress(extAddr)) {
                netExtFinderAddressCheck(); //so we put the extra address flag ok.
                #ifdef CONN_DEBUG
                std::cerr << "p3ConnectMgr::networkConsistencyCheck() using getExtFinderExtAddress for ownState.serveraddr." << std::endl;
                #endif
                ownState.currentserveraddr = extAddr;
            } else {
                //check if a peer is connected, if yes don't do a net reset
                bool is_connected = false;
                std::map<std::string, peerConnectState>::iterator it;
                for(it = mFriendList.begin(); it != mFriendList.end() && !is_connected; it++)
                {
                        /* get last contact detail */
                        is_connected = it->second.state & RS_PEER_S_CONNECTED;
                }
                #ifdef CONN_DEBUG
                if (is_connected) {
                        std::cerr << "p3ConnectMgr::networkConsistencyCheck() not doing a net reset because a peer is connected." << std::endl;
                    } else {
                        std::cerr << "p3ConnectMgr::networkConsistencyCheck() no peer is connected." << std::endl;
                    }
                #endif
                doNetReset = !is_connected;
            }
        }
	connMtx.unlock(); /* UNLOCK MUTEX */

        if (!doNetReset) {
            //extAddr found,update ip address list
            IpAddressTimed ipAddressTimed;
            ipAddressTimed.ipAddr = ownState.currentserveraddr;
            ipAddressTimed.seenTime = time(NULL);
            ownState.updateIpAddressList(ipAddressTimed);
        }

        //let's do a net reset
	if (doNetReset) {
		//don't do a reset it if the network init is not finished
		delta = time(NULL) - mNetInitTS;
		if (delta > MAX_NETWORK_INIT) {
		    #ifdef CONN_DEBUG
			    std::cerr << "p3ConnectMgr::networkConsistencyCheck() doing a net reset." << std::endl;
		    #endif
		    netReset();
		} else {
		    #ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::networkConsistencyCheck() reset delayed : p3ConnectMgr time since last reset : " << delta;
			std::cerr << ". Cannot reset before : " <<  MAX_NETWORK_INIT << " sec" << std::endl;
		    #endif
		}
        }
}

void p3ConnectMgr::netExtFinderAddressCheck()
{	struct sockaddr_in tmpip;
	if (getExtFinderExtAddress(tmpip)) {
	    #ifdef CONN_DEBUG
		    std::cerr << "p3ConnectMgr::netExtraAddressCheck() return true" << std::endl;
	    #endif
	    netFlagExtraAddressCheckOk = true;
	} else {
	    #ifdef CONN_DEBUG
		    std::cerr << "p3ConnectMgr::netExtraAddressCheck() return false" << std::endl;
	    #endif
	    netFlagExtraAddressCheckOk = false;
	}
}

void p3ConnectMgr::netUnreachableCheck()
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::netUnreachableCheck()" << std::endl;
#endif
        std::map<std::string, peerConnectState>::iterator it;

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	for(it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		/* get last contact detail */
		if (it->second.state & RS_PEER_S_CONNECTED)
		{
#ifdef CONN_DEBUG
			std::cerr << "NUC() Ignoring Connected Peer" << std::endl;
#endif
			continue;
		}

		peerAddrInfo details;
		switch(it->second.source)
		{
			case RS_CB_DHT:
				details = it->second.dht;
#ifdef CONN_DEBUG
				std::cerr << "NUC() Using DHT data" << std::endl;
#endif
				break;
			case RS_CB_DISC:
				details = it->second.disc;
#ifdef CONN_DEBUG
				std::cerr << "NUC() Using DISC data" << std::endl;
#endif
				break;
			case RS_CB_PERSON:
				details = it->second.peer;
#ifdef CONN_DEBUG
				std::cerr << "NUC() Using PEER data" << std::endl;
#endif
				break;
			default:
				continue;
				break;
		}

		std::cerr << "NUC() Peer: " << it->first << std::endl;

		/* Determine Reachability (only advisory) */
		// if (ownState.netMode == RS_NET_MODE_UNREACHABLE) // MUST BE TRUE!
		{
			if (details.type & RS_NET_CONN_TCP_EXTERNAL) 
			{
				/* reachable! */
				it->second.state &= (~RS_PEER_S_UNREACHABLE);
#ifdef CONN_DEBUG
				std::cerr << "NUC() Peer EXT TCP - reachable" << std::endl;
#endif
			}
			else 
			{
				/* unreachable */
				it->second.state |= RS_PEER_S_UNREACHABLE;
#ifdef CONN_DEBUG
				std::cerr << "NUC() Peer !EXT TCP - unreachable" << std::endl;
#endif
			}
		}
	}

}


/*******************************  UDP MAINTAINANCE  ********************************
 * Interaction with the UDP is mainly for determining the External Port.
 *
 */

void p3ConnectMgr::udpStunPeer(std::string id, struct sockaddr_in &addr)
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::udpStunPeer()" << std::endl;
#endif
	/* add it into udp stun list */
	tou_stunpeer((struct sockaddr *) &addr, sizeof(addr), id.c_str());
}

/********************************** STUN SERVERS ***********************************
 * We maintain a list of stun servers. This is initialised with a set of random keys.
 *
 * This is gradually rolled over with time. We update with friends/friends of friends, 
 * and the lists that they provide (part of AutoDisc).
 *
 * max 100 entries?
 */

void p3ConnectMgr::netStunInit()
{
	stunInit();
}

void p3ConnectMgr::stunInit()
{

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	netAssistStun(true);

	/* push stun list to DHT */
	std::list<std::string>::iterator it;
	for(it = mStunList.begin(); it != mStunList.end(); it++)
	{
		netAssistAddStun(*it);
	}
	mStunStatus = RS_STUN_DHT;
	mStunFound = 0;
	mStunMoreRequired = true;
}

/* This is continually called 
 *
 * checks whether the ext address is consistent
 *
 * checks if UDP needs more stun peers - or not
 * The status is passed onto the DHT.
 *
 */
bool p3ConnectMgr::stunCheck()
{

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::stunCheck()" << std::endl;
#endif

	/* check udp address stability */

	bool netDone = false;

	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
		mStunStatus = RS_STUN_DHT;
		netDone = (mNetStatus == RS_NET_DONE);
	}

	struct sockaddr_in raddr;
	socklen_t rlen = sizeof(raddr);
	uint8_t stable;

	if (netDone)
	{
		if (0 < tou_extaddr((struct sockaddr *) &raddr, &rlen, &stable))
		{
			RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

#ifdef CONN_DEBUG
			    std::cerr << "p3ConnectMgr::stunCheck() mStunExtAddr.sin_addr.s_addr : " << inet_ntoa(mStunExtAddr.sin_addr) << std::endl;
			    std::cerr << "p3ConnectMgr::stunCheck() raddr.sin_addr.s_addr : " << inet_ntoa(raddr.sin_addr) << std::endl;
			    std::cerr << "p3ConnectMgr::stunCheck() stable : " << (stable !=0) << std::endl;
#endif

			if ((mStunExtAddr.sin_addr.s_addr != raddr.sin_addr.s_addr) ||
				(stable == 0))
			{
			    netFlagStunOk = false;
			    mStunExtAddr = raddr;
			}
			else
			{
			    netFlagStunOk = true;
#ifdef CONN_DEBUG
			    std::cerr << "p3ConnectMgr::stunCheck() Stun ext : ok !" << std::endl;
#endif
			}
		}
		else
		{
		    netFlagStunOk = false;
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::stunCheck() Stun : No Ext Address." << std::endl;
#endif
		}
	}

//#ifdef CONN_DEBUG
//	uint32_t failCount;
//	time_t   lastSent;
//	time_t   now = time(NULL);
//	struct sockaddr_in eaddr;
//	socklen_t elen = sizeof(eaddr);
//	int i = 0;
//	for(i = 0; tou_getstunpeer(i, (struct sockaddr *) &raddr, &rlen,
//					(struct sockaddr *) &eaddr, &elen,
//					&failCount, &lastSent); i++)
//	{
//		std::cerr << "STUN PEERS: ";
//		std::cerr << " raddr: " << inet_ntoa(raddr.sin_addr) << ":" << ntohs(raddr.sin_port);
//		std::cerr << " eaddr: " << inet_ntoa(eaddr.sin_addr) << ":" << ntohs(eaddr.sin_port);
//		if (lastSent)
//		{
//			std::cerr << " failCount: " << failCount << " lastSent: " << now-lastSent;
//		}
//		else
//		{
//			std::cerr << " Unused ";
//		}
//		std::cerr << std::endl;
//	}
//#endif

	/* pass on udp status to dht */
	if (tou_needstunpeers())
	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

		if (!mStunMoreRequired)
		{
#ifdef CONN_DEBUG
			std::cerr << "Telling DHT More Stun Required" << std::endl;
#endif

			netAssistStun(true);
			mStunMoreRequired = true;
		}
	}
	else
	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

		if (mStunMoreRequired)
		{
#ifdef CONN_DEBUG
			std::cerr << "Telling DHT No More Stun Required" << std::endl;
#endif

			netAssistStun(false);
			mStunMoreRequired = false;
		}
	}

	return true;
}

void    p3ConnectMgr::stunStatus(std::string id, struct sockaddr_in raddr, uint32_t type, uint32_t flags)
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::stunStatus() id: " << RsUtil::BinToHex(id) << " raddr: " << inet_ntoa(raddr.sin_addr);
	std::cerr << ":" << ntohs(raddr.sin_port) << std::endl;
#endif

	connMtx.lock();   /*   LOCK MUTEX */

	bool stillStunning = (mStunStatus == RS_STUN_DHT);

	connMtx.unlock(); /* UNLOCK MUTEX */

        /* only useful if they have an exposed TCP/UDP port */
	if (type & RS_NET_CONN_TCP_EXTERNAL) 
	{
		if (stillStunning)
		{
			connMtx.lock();   /*   LOCK MUTEX */
			mStunFound++;
			connMtx.unlock(); /* UNLOCK MUTEX */
		
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::stunStatus() Sending to UDP" << std::endl;
#endif
			/* push to the UDP */
			udpStunPeer(id, raddr);

		}

		/* push to the stunCollect */
		stunCollect(id, raddr, flags);
	}
}

/* FLAGS 

ONLINE
EXT 
UPNP
UDP
FRIEND
FRIEND_OF_FRIEND
OTHER
*/

void p3ConnectMgr::stunCollect(std::string id, struct sockaddr_in addr, uint32_t flags)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::stunCollect() id: " << RsUtil::BinToHex(id) << std::endl;
#endif

	std::list<std::string>::iterator it;
	it = std::find(mStunList.begin(), mStunList.end(), id);
	if (it == mStunList.end())
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::stunCollect() Id not in List" << std::endl;
#endif
		/* add it in:
		 * if FRIEND / ONLINE or if list is short.
		 */
		if ((flags & RS_STUN_ONLINE) || (flags & RS_STUN_FRIEND))
		{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::stunCollect() Id added to Front" << std::endl;
#endif
			/* push to the front */
			mStunList.push_front(id);

			IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
		}
		else if (mStunList.size() < RS_STUN_LIST_MIN)
		{
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::stunCollect() Id added to Back" << std::endl;
#endif
			/* push to the front */
			mStunList.push_back(id);

			IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
		}
	}
	else
	{
		/* if they're online ... move to the front 
		 */
		if (flags & RS_STUN_ONLINE)
		{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::stunCollect() Id moved to Front" << std::endl;
#endif
			/* move to front */
			mStunList.erase(it);
			mStunList.push_front(id);

			IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
		}
	}

}

/********************************  Network Status  *********************************
 * Configuration Loading / Saving.
 */

void p3ConnectMgr::addMonitor(pqiMonitor *mon)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	std::list<pqiMonitor *>::iterator it;
	it = std::find(clients.begin(), clients.end(), mon);
	if (it != clients.end())
	{
		return;
	}

	mon->setConnectionMgr(this);
	clients.push_back(mon);
	return;
}

void p3ConnectMgr::removeMonitor(pqiMonitor *mon)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	std::list<pqiMonitor *>::iterator it;
	it = std::find(clients.begin(), clients.end(), mon);
	if (it == clients.end())
	{
		return;
	}
	(*it)->setConnectionMgr(NULL);
	clients.erase(it);

	return;
}


void p3ConnectMgr::tickMonitors()
{
	bool doStatusChange = false;
	std::list<pqipeer> actionList;
        std::map<std::string, peerConnectState>::iterator it;

      {
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	if (mStatusChanged)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::tickMonitors() StatusChanged! List:" << std::endl;
#endif
		/* assemble list */
		for(it = mFriendList.begin(); it != mFriendList.end(); it++)
		{
			if (it->second.actions)
			{
				/* add in */
				pqipeer peer;
				peer.id = it->second.id;
				peer.name = it->second.name;
				peer.state = it->second.state;
				peer.actions = it->second.actions;

				/* reset action */
				it->second.actions = 0;

				actionList.push_back(peer);

#ifdef CONN_DEBUG
				std::cerr << "Friend: " << peer.name << " Id: " << peer.id << " State: " << peer.state;
				if (peer.state & RS_PEER_S_FRIEND)
					std::cerr << " S:RS_PEER_S_FRIEND";
				if (peer.state & RS_PEER_S_ONLINE)
					std::cerr << " S:RS_PEER_S_ONLINE";
				if (peer.state & RS_PEER_S_CONNECTED)
					std::cerr << " S:RS_PEER_S_CONNECTED";
				std::cerr << " Actions: " << peer.actions;
				if (peer.actions & RS_PEER_NEW)
					std::cerr << " A:RS_PEER_NEW";
				if (peer.actions & RS_PEER_MOVED)
					std::cerr << " A:RS_PEER_MOVED";
				if (peer.actions & RS_PEER_CONNECTED)
					std::cerr << " A:RS_PEER_CONNECTED";
				if (peer.actions & RS_PEER_DISCONNECTED)
					std::cerr << " A:RS_PEER_DISCONNECTED";
				if (peer.actions & RS_PEER_CONNECT_REQ)
					std::cerr << " A:RS_PEER_CONNECT_REQ";

				std::cerr << std::endl;
#endif

				/* notify GUI */
				if (peer.actions & RS_PEER_CONNECTED)
				{
					pqiNotify *notify = getPqiNotify();
					if (notify)
					{
						notify->AddPopupMessage(RS_POPUP_CONNECT, 
							peer.id, "Online: ");


						notify->AddFeedItem(RS_FEED_ITEM_PEER_CONNECT, peer.id, "", "");
					}
				}
			}
		}
		/* do the Others as well! */
		for(it = mOthersList.begin(); it != mOthersList.end(); it++)
		{
			if (it->second.actions)
			{
				/* add in */
				pqipeer peer;
				peer.id = it->second.id;
				peer.name = it->second.name;
				peer.state = it->second.state;
				peer.actions = it->second.actions;

				/* reset action */
				it->second.actions = 0;

#ifdef CONN_DEBUG
				std::cerr << "Other: " << peer.name << " Id: " << peer.id << " State: " << peer.state;
				if (peer.state & RS_PEER_S_FRIEND)
					std::cerr << " S:RS_PEER_S_FRIEND";
				if (peer.state & RS_PEER_S_ONLINE)
					std::cerr << " S:RS_PEER_S_ONLINE";
				if (peer.state & RS_PEER_S_CONNECTED)
					std::cerr << " S:RS_PEER_S_CONNECTED";
				std::cerr << " Actions: " << peer.actions;
				if (peer.actions & RS_PEER_NEW)
					std::cerr << " A:RS_PEER_NEW";
				if (peer.actions & RS_PEER_MOVED)
					std::cerr << " A:RS_PEER_MOVED";
				if (peer.actions & RS_PEER_CONNECTED)
					std::cerr << " A:RS_PEER_CONNECTED";
				if (peer.actions & RS_PEER_DISCONNECTED)
					std::cerr << " A:RS_PEER_DISCONNECTED";
				if (peer.actions & RS_PEER_CONNECT_REQ)
					std::cerr << " A:RS_PEER_CONNECT_REQ";

				std::cerr << std::endl;
#endif

				actionList.push_back(peer);
			}
		}
		mStatusChanged = false;
		doStatusChange = true;
	
	}
      } /****** UNLOCK STACK MUTEX ******/

	/* NOTE - clients is accessed without mutex protection!!!!
	 * At the moment this is okay - as they are only added at the start.
	 * IF this changes ---- must fix with second Mutex.
	 */

	if (doStatusChange)
	{
#ifdef CONN_DEBUG
		std::cerr << "Sending to " << clients.size() << " monitorClients" << std::endl;
#endif
	
		/* send to all monitors */
		std::list<pqiMonitor *>::iterator mit;
		for(mit = clients.begin(); mit != clients.end(); mit++)
		{
			(*mit)->statusChange(actionList);
		}
	}
}


const std::string p3ConnectMgr::getOwnId()
{
	if (mAuthMgr)
	{
		return mAuthMgr->OwnId();
	}
	else
	{
		std::string nullStr;
		return nullStr;
	}
}


bool p3ConnectMgr::getOwnNetStatus(peerConnectState &state)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	state = ownState;
	return true;
}

bool p3ConnectMgr::isFriend(std::string id)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	return (mFriendList.end() != mFriendList.find(id));
}

bool p3ConnectMgr::isOnline(std::string id)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() != (it = mFriendList.find(id)))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::isOnline(" << id << ") is Friend, Online: " << (it->second.state & RS_PEER_S_CONNECTED) << std::endl;
#endif
		return (it->second.state & RS_PEER_S_CONNECTED);
	}
	else
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::isOnline(" << id << ") is Not Friend" << std::endl << "p3ConnectMgr::isOnline() OwnId: " << mAuthMgr->OwnId() << std::endl;
#endif
		/* not a friend */
	}

	return false;
}

bool p3ConnectMgr::getFriendNetStatus(std::string id, peerConnectState &state)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	it = mFriendList.find(id);
	if (it == mFriendList.end())
	{
		return false;
	}

	state = it->second;
	return true;
}


bool p3ConnectMgr::getOthersNetStatus(std::string id, peerConnectState &state)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	it = mOthersList.find(id);
	if (it == mOthersList.end())
	{
		return false;
	}

	state = it->second;
	return true;
}


void p3ConnectMgr::getOnlineList(std::list<std::string> &peers)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	for(it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		if (it->second.state & RS_PEER_S_CONNECTED)
		{
			peers.push_back(it->first);
		}
	}
	return;
}

void p3ConnectMgr::getFriendList(std::list<std::string> &peers)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	for(it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		peers.push_back(it->first);
	}
	return;
}


void p3ConnectMgr::getOthersList(std::list<std::string> &peers)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	for(it = mOthersList.begin(); it != mOthersList.end(); it++)
	{
		peers.push_back(it->first);
	}
	return;
}



bool p3ConnectMgr::connectAttempt(std::string id, struct sockaddr_in &addr, 
                                uint32_t &delay, uint32_t &period, uint32_t &type)

{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	it = mFriendList.find(id);
	if (it == mFriendList.end())
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::connectAttempt() FAILED Not in FriendList! id: " << id << std::endl;
#endif

		return false;
	}

	if (it->second.connAddrs.size() < 1)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::connectAttempt() FAILED No ConnectAddresses id: " << id << std::endl;
#endif
		return false;
	}
	        
        it->second.lastattempt = time(NULL) + ((time(NULL)*1664525 + 1013904223) % 3);//add a random perturbation between 0 and 2 sec.  pseudo random number generator from Wikipedia/Numerical Recipies.

	it->second.inConnAttempt = true;
	it->second.currentConnAddrAttempt = it->second.connAddrs.front();
	it->second.connAddrs.pop_front();


	addr = it->second.currentConnAddrAttempt.addr;
	delay = it->second.currentConnAddrAttempt.delay;
	period = it->second.currentConnAddrAttempt.period;
	type = it->second.currentConnAddrAttempt.type;

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::connectAttempt() Success: id: " << id << std::endl;
	std::cerr << " laddr: " << inet_ntoa(addr.sin_addr) << " lport: " << ntohs(addr.sin_port) << " delay: " << delay << " period: " << period;
	std::cerr << " type: " << type << std::endl;
#endif

	return true;
}


/****************************
 * Update state,
 * trigger retry if necessary,
 *
 * remove from DHT?
 *
 */

bool p3ConnectMgr::connectResult(std::string id, bool success, uint32_t flags, struct sockaddr_in remote_peer_address)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

        rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::connectResult() called Connect!: id: " + id);
        if (success) {
            rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::connectResult() called with SUCCESS.");
        } else {
            rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::connectResult() called with FAILED.");
        }

	/* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
	it = mFriendList.find(id);
	if (it == mFriendList.end())
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::connectResult() Failed, missing Friend " << " id: " << id << std::endl;
#endif
		return false;
	}

        it->second.inConnAttempt = false;

	if (success)
	{
                /* remove other attempts */
                it->second.inConnAttempt = false;
                netAssistFriend(id, false);

                /* update address (will come although through from DISC) */

#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::connectResult() Connect!: id: " << id << std::endl;
		std::cerr << " Success: " << success << " flags: " << flags << std::endl;
#endif

                rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::connectResult() Success");

		/* change state */
		it->second.state |= RS_PEER_S_CONNECTED;
		it->second.actions |= RS_PEER_CONNECTED;
		it->second.lastcontact = time(NULL);  /* time of connect */
                it->second.connecttype = flags;

                if (remote_peer_address.sin_addr.s_addr != 0
                    && !(remote_peer_address.sin_addr.s_addr == ownState.currentlocaladdr.sin_addr.s_addr)
                    && (!isLoopbackNet(&remote_peer_address.sin_addr))
                    ) {
                    IpAddressTimed ipLocalAddressTimed;
                    ipLocalAddressTimed.ipAddr = remote_peer_address;
                    ipLocalAddressTimed.seenTime = time(NULL);
                    it->second.updateIpAddressList(ipLocalAddressTimed);

                    it->second.purgeIpAddressList();
    #ifdef CONN_DEBUG
                    std::cerr << "p3ConnectMgr::connectResult() adding current peer adress in list." << std::endl;
                    it->second.printIpAddressList();
    #endif
                }

                mStatusChanged = true;
                return true;
        }

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::connectResult() Disconnect/Fail: id: " << id << std::endl;
	std::cerr << " Success: " << success << " flags: " << flags << std::endl;
#endif

	/* if currently connected -> flag as failed */
	if (it->second.state & RS_PEER_S_CONNECTED)
	{
		it->second.state &= (~RS_PEER_S_CONNECTED);
		it->second.actions |= RS_PEER_DISCONNECTED;

		it->second.lastcontact = time(NULL);  /* time of disconnect */

		netAssistFriend(id, true);
	}
		
	if (it->second.connAddrs.size() < 1)
	{
		return true;
	}
	
	it->second.actions |= RS_PEER_CONNECT_REQ;
	mStatusChanged = true;

	return true;
}

bool p3ConnectMgr::doNextAttempt(std::string id)
{
        RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

        rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::doNextAttempt() called id : " + id);

        /* check for existing */
        std::map<std::string, peerConnectState>::iterator it;
        it = mFriendList.find(id);
        if (it == mFriendList.end())
        {
                rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::connectResult() Failed, missing Friend ");
                return false;
        }


        it->second.inConnAttempt = false;

        if ((it->second.state & RS_PEER_S_CONNECTED) && !(it->second.connecttype & RS_NET_CONN_TUNNEL)) {
            rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::doNextAttempt() peer is already connected and not in tunnel mode, don't do next attempt.");
            return true;
        }

        if (it->second.connAddrs.size() < 1)
        {
                return true;
        }

        it->second.actions |= RS_PEER_CONNECT_REQ;
        mStatusChanged = true;

        return true;
}


/******************************** Feedback ......  *********************************
 * From various sources
 */


void    p3ConnectMgr::peerStatus(std::string id, 
			struct sockaddr_in laddr, struct sockaddr_in raddr, std::list<IpAddressTimed> ipDiscAddressList,
                       uint32_t type, uint32_t flags, uint32_t source)
{
        std::map<std::string, peerConnectState>::iterator it;
	bool isFriend = true;

	time_t now = time(NULL);

	peerAddrInfo details;
	details.type    = type;
	details.found   = true;
	details.laddr   = laddr;
	details.raddr   = raddr;
	details.ts      = now;

      {
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerStatus()" << " id: " << id << " laddr: " << inet_ntoa(laddr.sin_addr) << " lport: " << ntohs(laddr.sin_port);
	std::cerr << " raddr: " << inet_ntoa(raddr.sin_addr) << " rport: " << ntohs(raddr.sin_port) << " type: " << type << " flags: " << flags;
	std::cerr << " source: " << source << std::endl;
	peerConnectState::printIpAddressList(ipDiscAddressList);
#endif
	{
		/* Log */
		std::ostringstream out;
		out << "p3ConnectMgr::peerStatus()" << " id: " << id << " laddr: " << inet_ntoa(laddr.sin_addr) << " lport: " << ntohs(laddr.sin_port);
		out << " raddr: " << inet_ntoa(raddr.sin_addr) << " rport: " << ntohs(raddr.sin_port) << " type: " << type << " flags: " << flags << " source: " << source;
		rslog(RSL_WARNING, p3connectzone, out.str());
	}

	/* look up the id */
	it = mFriendList.find(id);
	if (it == mFriendList.end())
	{
		/* check Others list */
		isFriend = false;
		it = mOthersList.find(id);
		if (it == mOthersList.end())
		{
			/* not found - ignore */
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::peerStatus() Peer Not Found - Ignore" << std::endl;
#endif
			return;
		}
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::peerStatus() Peer is in mOthersList" << std::endl;
#endif
	}

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerStatus() Current Peer State:" << std::endl;
	printConnectState(it->second);
	std::cerr << std::endl;
#endif

	/* update the status */

	/* if source is DHT */
	if (source == RS_CB_DHT)
	{
		/* DHT can tell us about
		 * 1) connect type (UDP/TCP/etc)
		 * 2) local/external address
		 */
		it->second.source = RS_CB_DHT;
		it->second.dht = details;

		/* If we get a info -> then they are online */
		it->second.state |= RS_PEER_S_ONLINE;
		it->second.lastavailable = now;

		/* if we are recieving these - the dht is definitely up.
		 */

		netFlagDhtOk = true;
	}
	else if (source == RS_CB_DISC)
	{
		/* DISC can tell us about
		 * 1) connect type (UDP/TCP/etc)
		 * 2) local/external addresses
		 */
		it->second.source = RS_CB_DISC;
		it->second.disc = details;

		it->second.updateIpAddressList(ipDiscAddressList);

                it->second.currentlocaladdr = laddr;
                it->second.currentserveraddr = raddr;
                //add the given address to the address list
                IpAddressTimed laddrTimed;
                laddrTimed.ipAddr = laddr;
                laddrTimed.seenTime = time(NULL);
                it->second.updateIpAddressList(laddrTimed);

                IpAddressTimed raddrTimed;
                raddrTimed.ipAddr = raddr;
                raddrTimed.seenTime = time(NULL);
                it->second.updateIpAddressList(raddrTimed);

		if (flags & RS_NET_FLAGS_ONLINE)
		{
			it->second.actions |= RS_PEER_ONLINE;
			it->second.state |= RS_PEER_S_ONLINE;
			it->second.lastavailable = now;
			mStatusChanged = true;
		}

		/* not updating VIS status??? */
		IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
	}
	else if (source == RS_CB_PERSON)
	{
		/* PERSON can tell us about
		 * 1) online / offline
		 * 2) connect address
		 * -> update all!
		 */

		it->second.source = RS_CB_PERSON;
		it->second.peer = details;

		it->second.updateIpAddressList(ipDiscAddressList);

                it->second.currentlocaladdr = laddr;
                it->second.currentserveraddr = raddr;
                //add the given address to the address list
                IpAddressTimed laddrTimed;
                laddrTimed.ipAddr = laddr;
                laddrTimed.seenTime = time(NULL);
                it->second.updateIpAddressList(laddrTimed);

                IpAddressTimed raddrTimed;
                raddrTimed.ipAddr = raddr;
                raddrTimed.seenTime = time(NULL);
                it->second.updateIpAddressList(raddrTimed);

		it->second.state |= RS_PEER_S_ONLINE;
		it->second.lastavailable = now;

		/* must be online to recv info (should be connected too!) 
		 * but no need for action as should be connected already 
		 */

		it->second.netMode &= (~RS_NET_MODE_ACTUAL); /* clear actual flags */
		if (flags & RS_NET_FLAGS_EXTERNAL_ADDR)
		{
			it->second.netMode = RS_NET_MODE_EXT;
		}
		else if (flags & RS_NET_FLAGS_STABLE_UDP)
		{
			it->second.netMode = RS_NET_MODE_UDP;
		}
		else
		{
			it->second.netMode = RS_NET_MODE_UNREACHABLE;
		}


		/* always update VIS status */
		if (flags & RS_NET_FLAGS_USE_DISC)
		{
			it->second.visState &= (~RS_VIS_STATE_NODISC);
		}
		else
		{
			it->second.visState |= RS_VIS_STATE_NODISC;
		}

		if (flags & RS_NET_FLAGS_USE_DHT)
		{
			it->second.visState &= (~RS_VIS_STATE_NODHT);
		}
		else
		{
			it->second.visState |= RS_VIS_STATE_NODHT;
		}
		IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
	}

	/* Determine Reachability (only advisory) */
	if (ownState.netMode & RS_NET_MODE_UDP)
	{
                if ((details.type & RS_NET_CONN_UDP) ||
		    (details.type & RS_NET_CONN_TCP_EXTERNAL)) 
		{
			/* reachable! */
			it->second.state &= (~RS_PEER_S_UNREACHABLE);
		}
		else 
		{
			/* unreachable */
			it->second.state |= RS_PEER_S_UNREACHABLE;
		}
	}
	else if (ownState.netMode & RS_NET_MODE_UNREACHABLE)
	{
		if (details.type & RS_NET_CONN_TCP_EXTERNAL) 
		{
			/* reachable! */
			it->second.state &= (~RS_PEER_S_UNREACHABLE);
		}
		else 
		{
			/* unreachable */
			it->second.state |= RS_PEER_S_UNREACHABLE;
		}
	}
	else
	{
		it->second.state &= (~RS_PEER_S_UNREACHABLE);
	}

	if (!isFriend)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::peerStatus() NOT FRIEND " << " id: " << id << std::endl;
#endif

		{
			rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::peerStatus() NO CONNECT (not friend)");
		}
		return;
	}

	/* if already connected -> done */
	if (it->second.state & RS_PEER_S_CONNECTED)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::peerStatus() PEER ONLINE ALREADY " << " id: " << id << std::endl;
#endif
		{
			/* Log */
			rslog(RSL_WARNING, p3connectzone, "p3ConnectMgr::peerStatus() NO CONNECT (already connected!)");
		}

		return;
	}
      } /****** STACK UNLOCK MUTEX *******/

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerStatus()" << " id: " << id << " laddr: " << inet_ntoa(laddr.sin_addr) << " lport: " << ntohs(laddr.sin_port);
	std::cerr << " raddr: " << inet_ntoa(raddr.sin_addr) << " rport: " << ntohs(raddr.sin_port) << " type: " << type << " flags: " << flags;
	std::cerr << " source: " << source << std::endl;
#endif

#ifndef P3CONNMGR_NO_AUTO_CONNECTION 

#ifndef P3CONNMGR_NO_TCP_CONNECTIONS
	retryConnectTCP(id);
    
#endif  // P3CONNMGR_NO_TCP_CONNECTIONS

        retryConnectNotify(id);
#else 

#endif  // P3CONNMGR_NO_AUTO_CONNECTION 

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerStatus() Resulting Peer State:" << std::endl;
	printConnectState(it->second);
	std::cerr << std::endl;
#endif

}

void    p3ConnectMgr::peerConnectRequest(std::string id, struct sockaddr_in raddr,
                       							uint32_t source)
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerConnectRequest() id: " << id << " raddr: " << inet_ntoa(raddr.sin_addr) << ":" << ntohs(raddr.sin_port);
	std::cerr << " source: " << source << std::endl;
#endif
	{
		/* Log */
		std::ostringstream out;
		out << "p3ConnectMgr::peerConnectRequest() id: " << id << " raddr: " << inet_ntoa(raddr.sin_addr);
		out << ":" << ntohs(raddr.sin_port) << " source: " << source;
		rslog(RSL_WARNING, p3connectzone, out.str());
	}

	/******************** TCP PART *****************************/

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::peerConnectRequest() Try TCP first" << std::endl;
#endif
	retryConnect(id);
}


/*******************************************************************/
/*******************************************************************/

bool p3ConnectMgr::addFriend(std::string id, uint32_t netMode, uint32_t visState, time_t lastContact)
{
	/* so three possibilities 
	 * (1) already exists as friend -> do nothing.
	 * (2) is in others list -> move over.
	 * (3) is non-existant -> create new one.
	 */

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::addFriend() " << id << std::endl;
#endif

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/


        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() != mFriendList.find(id))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::addFriend() Already Exists" << std::endl;
#endif
		/* (1) already exists */
		return true;
	}

	/* check with the AuthMgr if its authorised */
	if (!mAuthMgr->isAuthenticated(id))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::addFriend() Failed Authentication" << std::endl;
#endif
		/* no auth */
		return false;
	}

	/* check if it is in others */
	if (mOthersList.end() != (it = mOthersList.find(id)))
	{
		/* (2) in mOthersList -> move over */
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::addFriend() Move from Others" << std::endl;
#endif

		mFriendList[id] = it->second;
		mOthersList.erase(it);

		it = mFriendList.find(id);

		/* setup state */
		it->second.state = RS_PEER_S_FRIEND;
		it->second.actions = RS_PEER_NEW;

		/* setup connectivity parameters */
		it->second.visState = visState;
		it->second.netMode  = netMode;
		it->second.lastcontact = lastContact;

		mStatusChanged = true;

		/* add peer to DHT (if not dark) */
		if (it->second.visState & RS_VIS_STATE_NODHT)
		{
			/* hidden from DHT world */
			netAssistFriend(id, false);
		}
		else
		{
			netAssistFriend(id, true);
		}

		IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

		return true;
	}

	/* get details from AuthMgr */
	pqiAuthDetails detail;
	if (!mAuthMgr->getDetails(id, detail))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::addFriend() Failed to get Details" << std::endl;
#endif
		/* ERROR: no details */
		return false;
	}


#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::addFriend() Creating New Entry" << std::endl;
#endif

	/* create a new entry */
	peerConnectState pstate;

	pstate.id = id;
	pstate.name = detail.name;

	pstate.state = RS_PEER_S_FRIEND;
	pstate.actions = RS_PEER_NEW;
	pstate.visState = visState;
	pstate.netMode = netMode;
	pstate.lastcontact = lastContact;

	/* addr & timestamps -> auto cleared */

	mFriendList[id] = pstate;

	mStatusChanged = true;

	/* expect it to be a standard DHT */
	netAssistFriend(id, true);

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return true;
}


bool p3ConnectMgr::removeFriend(std::string id)
{

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::removeFriend() " << id << std::endl;
#endif

	netAssistFriend(id, false);

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* move to othersList */
	bool success = false;
        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() != (it = mFriendList.find(id)))
	{

		peerConnectState peer = it->second;

		mFriendList.erase(it);

		peer.state &= (~RS_PEER_S_FRIEND);
		peer.state &= (~RS_PEER_S_CONNECTED);
		peer.state &= (~RS_PEER_S_ONLINE);
		peer.actions = RS_PEER_MOVED;
		peer.inConnAttempt = false;
		mOthersList[id] = peer;
		mStatusChanged = true;

		success = true;
	}

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return success;
}



bool p3ConnectMgr::addNeighbour(std::string id)
{

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::addNeighbour() " << id << std::endl;
#endif

	/* so three possibilities 
	 * (1) already exists as friend -> do nothing.
	 * (2) already in others list -> do nothing.
	 * (3) is non-existant -> create new one.
	 */

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == mFriendList.find(id))
	{
		/* (1) already exists */
		return false;
	}

	if (mOthersList.end() == mOthersList.find(id))
	{
		/* (2) already exists */
		return true;
	}

	/* check with the AuthMgr if its valid */
	if (!mAuthMgr->isValid(id))
	{
		/* no auth */
		return false;
	}

	/* get details from AuthMgr */
	pqiAuthDetails detail;
	if (!mAuthMgr->getDetails(id, detail))
	{
		/* no details */
		return false;
	}

	/* create a new entry */
	peerConnectState pstate;

	pstate.id = id;
	pstate.name = detail.name;

	pstate.state = 0;
	pstate.actions = 0; //RS_PEER_NEW;
	pstate.visState = RS_VIS_STATE_STD;
	pstate.netMode = RS_NET_MODE_UNKNOWN;

	/* addr & timestamps -> auto cleared */
	mOthersList[id] = pstate;

	return true;
}

/*******************************************************************/
/*******************************************************************/
       /*************** External Control ****************/
bool   p3ConnectMgr::retryConnect(std::string id)
{
	retryConnectTCP(id);
	retryConnectNotify(id);

	return true;
}


bool   p3ConnectMgr::retryConnectTCP(std::string id)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* push addresses onto stack */
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::retryConnectTCP() id: " << id << std::endl;
#endif

	/* look up the id */
        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
#ifdef CONN_DEBUG
               std::cerr << "p3ConnectMgr::retryConnectTCP() Peer is not Friend" << std::endl;
#endif
		return false;
	}

	/* if already connected -> done */
        if (it->second.state & RS_PEER_S_CONNECTED)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::retryConnectTCP() Peer Already Connected" << std::endl;
#endif
                if (it->second.currentConnAddrAttempt.type & RS_NET_CONN_TUNNEL) {
#ifdef CONN_DEBUG
                    std::cerr << "p3ConnectMgr::retryConnectTCP() Peer Connected through a tunnel connection, let's try a normal connection." << std::endl;
#endif
                } else {
                    return true;
                }
	}

        //add the ips off the ipAdressList for TCP
	std::list<IpAddressTimed> ipList = it->second.getIpAddressList();
	for (std::list<IpAddressTimed>::iterator ipListIt = ipList.begin(); ipListIt!=(ipList.end()); ipListIt++) {
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::retryConnectTCP() adding ip : " << inet_ntoa(ipListIt->ipAddr.sin_addr);
		std::cerr << ":" << ntohs(ipListIt->ipAddr.sin_port) << std::endl;
#endif
		//check that the address doens't exist already in the connAddrs
		bool found = false;
		for (std::list<peerConnectAddress>::iterator cit = it->second.connAddrs.begin(); cit != it->second.connAddrs.end(); cit++) {
                    if (cit->addr.sin_addr.s_addr == ipListIt->ipAddr.sin_addr.s_addr &&
                        cit->addr.sin_port == ipListIt->ipAddr.sin_port &&
                        cit->type == RS_NET_CONN_TCP_UNKNOW_TOPOLOGY) {
#ifdef CONN_DEBUG
                        std::cerr << "p3ConnectMgr::retryConnectTCP() tcp attempt already in list." << std::endl;
#endif
			found = true;
			break;
		    }
		}

                if (!found) {
#ifdef CONN_DEBUG
                    std::cerr << "Adding tcp connection attempt list." << std::endl;
#endif
                    peerConnectAddress pca;
                    pca.addr = ipListIt->ipAddr;
                    pca.type = RS_NET_CONN_TCP_UNKNOW_TOPOLOGY;
                    pca.delay = P3CONNMGR_TCP_DEFAULT_DELAY;
                    pca.ts = time(NULL);
                    pca.period = 0;
                    it->second.connAddrs.push_back(pca);
                }
        }

        //add the supposed external address UDP
        IpAddressTimed extractedAddress;
        if (peerConnectState::extractExtAddress(it->second.getIpAddressList(), extractedAddress)) {
        #ifdef CONN_DEBUG
            rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() got a valid external address for UDP connection");
        #endif
            //check that the UDP attempt doens't exist already in the connAddrs
            bool found = false;
            for (std::list<peerConnectAddress>::iterator cit = it->second.connAddrs.begin(); cit != it->second.connAddrs.end(); cit++) {
                if ( cit->type == RS_NET_CONN_UDP) {
                    #ifdef CONN_DEBUG
                    rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() udp attempt already in list.");
                    #endif
                    found = true;
                    break;
                }
            }
            if (!found) {
                #ifdef CONN_DEBUG
                rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() Adding udp connection attempt.");
                #endif
                peerConnectAddress pca;
                pca.addr = extractedAddress.ipAddr;
                pca.type = RS_NET_CONN_UDP;
                pca.delay = P3CONNMGR_UDP_DEFAULT_DELAY;
                pca.ts = time(NULL);
                // pseudo random number generator from Wikipedia/Numerical Recipies.
                pca.period = P3CONNMGR_UDP_DEFAULT_PERIOD + ((time(NULL)*1664525 + 1013904223) % P3CONNMGR_UDP_DEFAULT_PERIOD); //add a random period between 1 and 2 times P3CONNMGR_UDP_DEFAULT_PERIOD
                it->second.connAddrs.push_back(pca);
            }
        } else {
            #ifdef CONN_DEBUG
            rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() no valid external address found for udp connection.");
            #endif
        }

        //ad the tunnel attempt
        bool found = false;
        for (std::list<peerConnectAddress>::iterator cit = it->second.connAddrs.begin(); cit != it->second.connAddrs.end(); cit++) {
            if (cit->type == RS_NET_CONN_TUNNEL) {
                #ifdef CONN_DEBUG
                rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() tunnel is already in the list.");
                #endif
                found = true;
                break;
            }
        }

        if (!(it->second.state & RS_PEER_S_CONNECTED) && !found && allow_tunnel_connection)
        {
            #ifdef CONN_DEBUG
            rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::retryConnectTCP() Add the tunnel connection attempt.");
            #endif
            peerConnectAddress pca;
            pca.type = RS_NET_CONN_TUNNEL;
            pca.ts = time(NULL);
            pca.period = 0;
            it->second.connAddrs.push_back(pca);
        }

	/* flag as last attempt to prevent loop */
        it->second.lastattempt = time(NULL) + ((time(NULL)*1664525 + 1013904223) % 3);//add a random perturbation between 0 and 2 sec.  pseudo random number generator from Wikipedia/Numerical Recipies.

        if (it->second.inConnAttempt) {
                /*  -> it'll automatically use the addresses we added */
		return true;
	}

	/* start a connection attempt */
        if (it->second.connAddrs.size() > 0) {
            #ifdef CONN_DEBUG
            std::ostringstream out;
            out << "p3ConnectMgr::retryConnectTCP() Started CONNECT ATTEMPT! " << " id: " << id ;
            rslog(RSL_DEBUG_ALERT, p3connectzone, out.str());
            #endif

            it->second.actions |= RS_PEER_CONNECT_REQ;
            mStatusChanged = true;
        } else {
            #ifdef CONN_DEBUG
            std::ostringstream out;
            out << "p3ConnectMgr::retryConnectTCP() No addr in the connect attempt list. Not suitable for CONNECT ATTEMPT! " << " id: " << id;
            rslog(RSL_DEBUG_ALERT, p3connectzone, out.str());
            #endif
	}
	return true; 
}


bool   p3ConnectMgr::retryConnectNotify(std::string id)
{
	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* push addresses onto stack */
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::retryConnectNotify() id: " << id << std::endl;
#endif

	/* look up the id */
        std::map<std::string, peerConnectState>::iterator it;

	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::retryConnectNotify() Peer is not Friend" << std::endl;
#endif
		return false;
	}

	/* if already connected -> done */
	if (it->second.state & RS_PEER_S_CONNECTED)
	{
                if (it->second.currentConnAddrAttempt.type & RS_NET_CONN_TUNNEL) {
#ifdef CONN_DEBUG
                    std::cerr << "p3ConnectMgr::retryConnectNotify() Peer Connected through a tunnel connection, let's try a normal connection." << std::endl;
#endif
                } else {
#ifdef CONN_DEBUG
                    std::cerr << "p3ConnectMgr::retryConnectNotify() Peer Already Connected, aborting retryConnect" << std::endl;
#endif
                    return true;
                }
	}

	/* flag as last attempt to prevent loop */
        it->second.lastattempt = time(NULL) + ((time(NULL)*1664525 + 1013904223) % 3);//add a random perturbation between 0 and 2 sec.  pseudo random number generator from Wikipedia/Numerical Recipies.

	if (ownState.netMode & RS_NET_MODE_UNREACHABLE)
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::retryConnectNotify() UNREACHABLE so no Notify! id: " << id << std::endl;
#endif
	}
	else
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::retryConnectNotify() Notifying Peer id: " << id << std::endl;
#endif
		{
			/* Log */
			std::ostringstream out;
			out  << "p3ConnectMgr::retryConnectNotify() Notifying Peer";
			out  << " id: " << id;
			rslog(RSL_WARNING, p3connectzone, out.str());
		}

		/* attempt UDP connection */
		netAssistNotify(id);
	}

	return true; 
}


bool    p3ConnectMgr::setLocalAddress(std::string id, struct sockaddr_in addr)
{

	if (id == mAuthMgr->OwnId())
	{
                {
                        RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
                        ownState.currentlocaladdr = addr;
                }
                IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/
                if ((ownState.netMode & RS_NET_MODE_ACTUAL) == RS_NET_MODE_EXT ||
                    (ownState.netMode & RS_NET_MODE_ACTUAL) == RS_NET_MODE_UDP) {
                    netReset();
                }
                return true;
	}

        RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
        /* check if it is a friend */
        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
		if (mOthersList.end() == (it = mOthersList.find(id)))
		{
			#ifdef CONN_DEBUG
					std::cerr << "p3ConnectMgr::setLocalAddress() cannot add addres info : peer id not found in friend list  id: " << id << std::endl;
			#endif
			return false;
		}
	}

	/* "it" points to peer */
	it->second.currentlocaladdr = addr;
	//update ip address list
	IpAddressTimed ipAddressTimed;
	ipAddressTimed.ipAddr = addr;
	ipAddressTimed.seenTime = time(NULL);
	it->second.updateIpAddressList(ipAddressTimed);

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return true;
}

bool    p3ConnectMgr::setExtAddress(std::string id, struct sockaddr_in addr)
{
	if (id == mAuthMgr->OwnId())
	{
            if (ownState.currentserveraddr.sin_addr.s_addr != addr.sin_addr.s_addr ||
                ownState.currentserveraddr.sin_port != addr.sin_port) {
                    RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
                    ownState.currentserveraddr = addr;
            }
                return true;
        }

        RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	/* check if it is a friend */
        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
		if (mOthersList.end() == (it = mOthersList.find(id)))
		{
			#ifdef CONN_DEBUG
					std::cerr << "p3ConnectMgr::setLocalAddress() cannot add addres info : peer id not found in friend list  id: " << id << std::endl;
			#endif
			return false;
		}
	}

	/* "it" points to peer */
	it->second.currentserveraddr = addr;
	//update ip address list
	IpAddressTimed ipAddressTimed;
	ipAddressTimed.ipAddr = addr;
	ipAddressTimed.seenTime = time(NULL);
	it->second.updateIpAddressList(ipAddressTimed);

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return true;
}

bool    p3ConnectMgr::setAddressList(std::string id, std::list<IpAddressTimed> IpAddressTimedList)
{
        /* check if it is our own ip */
        if (id == getOwnId()) {
            struct sockaddr_in extAddr;
            if (getUpnpExtAddress(extAddr) || getExtFinderExtAddress(extAddr)) {
                #ifdef CONN_DEBUG
                std::cerr << "p3ConnectMgr::setAddressList() received own ip address list, but already got an external address with upnp or extaddrfinder." << std::endl;
                #endif
                return false;
            }
            IpAddressTimed extractedAddress;
            if (peerConnectState::extractExtAddress(IpAddressTimedList, extractedAddress)) {
                #ifdef CONN_DEBUG
                std::cerr << "p3ConnectMgr::setAddressList() got a valid own external address." << std::endl;
                #endif
                setExtAddress(getOwnId(), extractedAddress.ipAddr);
                IndicateConfigChanged();
                return true;
            } else {
                #ifdef CONN_DEBUG
                rslog(RSL_DEBUG_BASIC, p3connectzone, "p3ConnectMgr::setAddressList() no valid external address found for own address ");
                #endif
                return false;
            }


        }

        RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

        /* check if it is a friend */
	std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
		if (mOthersList.end() == (it = mOthersList.find(id)))
		{
			#ifdef CONN_DEBUG
					std::cerr << "p3ConnectMgr::setLocalAddress() cannot add addres info : peer id not found in friend list  id: " << id << std::endl;
			#endif
			return false;
		}
	}

	/* "it" points to peer */
	it->second.updateIpAddressList(IpAddressTimedList);
	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return true;
}

bool    p3ConnectMgr::setNetworkMode(std::string id, uint32_t netMode)
{
	if (id == mAuthMgr->OwnId())
	{
		uint32_t visState = ownState.visState;
		setOwnNetConfig(netMode, visState);
                if ((netMode & RS_NET_MODE_ACTUAL) != (ownState.netMode & RS_NET_MODE_ACTUAL)) {
                    netReset();
                }
		return true;
	}

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
	/* check if it is a friend */
        std::map<std::string, peerConnectState>::iterator it;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
		if (mOthersList.end() == (it = mOthersList.find(id)))
		{
			return false;
		}
	}

	/* "it" points to peer */
	it->second.netMode = netMode;
	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return false;
}

bool    p3ConnectMgr::setVisState(std::string id, uint32_t visState)
{
	if (id == mAuthMgr->OwnId())
	{
		uint32_t netMode = ownState.netMode;
		setOwnNetConfig(netMode, visState);

		return true;
	}

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	/* check if it is a friend */
        std::map<std::string, peerConnectState>::iterator it;
	bool isFriend = false;
	if (mFriendList.end() == (it = mFriendList.find(id)))
	{
		if (mOthersList.end() == (it = mOthersList.find(id)))
		{
			return false;
		}
	}
	else
	{
		isFriend = true;
	}

	/* "it" points to peer */
	it->second.visState = visState;
	if (isFriend)
	{
		/* toggle DHT state */
		if (it->second.visState & RS_VIS_STATE_NODHT)
		{
			/* hidden from DHT world */
			netAssistFriend(id, false);
		}
		else
		{
			netAssistFriend(id, true);
		}
	}

	IndicateConfigChanged(); /**** INDICATE MSG CONFIG CHANGED! *****/

	return false;
}




/*******************************************************************/

bool 	p3ConnectMgr::checkNetAddress()
{
	in_addr_t old_in_addr = ownState.currentlocaladdr.sin_addr.s_addr;
	int old_in_port = ownState.currentlocaladdr.sin_port;

	{
		RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

		// GetPreferredInterface now chooses the best local ilterface for you. So it's the default function to use now.
		//
		ownState.currentlocaladdr.sin_addr = getPreferredInterface() ;

                if(ownState.currentlocaladdr.sin_addr.s_addr != 0 && !isLoopbackNet(&(ownState.currentlocaladdr.sin_addr)))
		{
			if (netFlagLocalOk != true) 
			{
#ifdef CONN_DEBUG
				std::cerr << "p3ConnectMgr::checkNetAddress() changing netFlagOk to true." << std::endl;
#endif
				netFlagLocalOk = true;
				IndicateConfigChanged();
			}
                } else {
                    if (netFlagLocalOk != false)
                    {
#ifdef CONN_DEBUG
			    std::cerr << "p3ConnectMgr::checkNetAddress() changing netFlagOk to false." << std::endl;
#endif
                            netFlagLocalOk = false;
                            netFlagExtraAddressCheckOk = false;
                            netFlagUpnpOk = false;
                            netFlagDhtOk = false;
                            netFlagStunOk = false;
                            IndicateConfigChanged();
                    }
                }

		if(isLoopbackNet(&(ownState.currentlocaladdr.sin_addr)))
			mNetStatus = RS_NET_LOOPBACK;

		int port = ntohs(ownState.currentlocaladdr.sin_port);

		if ((port < PQI_MIN_PORT) || (port > PQI_MAX_PORT))
			ownState.currentlocaladdr.sin_port = htons(PQI_DEFAULT_PORT);

		/* if localaddr = serveraddr, then ensure that the ports
		 * are the same (modify server)... this mismatch can
		 * occur when the local port is changed....
		 */
		if (ownState.currentlocaladdr.sin_addr.s_addr == ownState.currentserveraddr.sin_addr.s_addr)
			ownState.currentserveraddr.sin_port = ownState.currentlocaladdr.sin_port;

		// ensure that address family is set, otherwise windows Barfs.
		ownState.currentlocaladdr.sin_family = AF_INET;
		ownState.currentserveraddr.sin_family = AF_INET;

		//update ip address list
		IpAddressTimed ipAddressTimed;
		ipAddressTimed.ipAddr = ownState.currentlocaladdr;
		ipAddressTimed.seenTime = time(NULL);
		ownState.updateIpAddressList(ipAddressTimed);


#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::checkNetAddress() Final Local Address: " << inet_ntoa(ownState.currentlocaladdr.sin_addr);
		std::cerr << ":" << ntohs(ownState.currentlocaladdr.sin_port) << std::endl;
#endif
	}

	if ((old_in_addr != ownState.currentlocaladdr.sin_addr.s_addr) || (old_in_port != ownState.currentlocaladdr.sin_port))
	{
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::checkNetAddress() local address changed, resetting network." << std::endl;
#endif
		netReset();
	}

	return 1;
}

/************************* p3config functions **********************/
/*******************************************************************/
        /* Key Functions to be overloaded for Full Configuration */

RsSerialiser *p3ConnectMgr::setupSerialiser()
{
	RsSerialiser *rss = new RsSerialiser();
	rss->addSerialType(new RsPeerConfigSerialiser());
	rss->addSerialType(new RsGeneralConfigSerialiser()) ;

	return rss;
}


std::list<RsItem *> p3ConnectMgr::saveList(bool &cleanup)
{
	/* create a list of current peers */
	std::list<RsItem *> saveData;
	cleanup = true;

	RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

	RsPeerNetItem *item = new RsPeerNetItem();
	item->clear();

	item->pid = getOwnId();
	if (ownState.netMode & RS_NET_MODE_TRY_EXT)
	{
		item->netMode = RS_NET_MODE_EXT;
	}
	else if (ownState.netMode & RS_NET_MODE_TRY_UPNP)
	{
		item->netMode = RS_NET_MODE_UPNP;
	}
	else
	{
		item->netMode = RS_NET_MODE_UDP;
	}

	item->visState = ownState.visState;
	item->lastContact = ownState.lastcontact;

        item->currentlocaladdr = ownState.currentlocaladdr;
        item->currentremoteaddr = ownState.currentserveraddr;
	item->ipAddressList = ownState.getIpAddressList();

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::saveList() Own Config Item:" << std::endl;
	item->print(std::cerr, 10);
	std::cerr << std::endl;
#endif

	saveData.push_back(item);

	/* iterate through all friends and save */
        std::map<std::string, peerConnectState>::iterator it;
	for(it = mFriendList.begin(); it != mFriendList.end(); it++)
	{
		item = new RsPeerNetItem();
		item->clear();

		item->pid = it->first;
		item->netMode = (it->second).netMode;
		item->visState = (it->second).visState;
		item->lastContact = (it->second).lastcontact;
		item->currentlocaladdr = (it->second).currentlocaladdr;
                item->currentremoteaddr = (it->second).currentserveraddr;
		item->ipAddressList = (it->second).getIpAddressList();

		saveData.push_back(item);
#ifdef CONN_DEBUG
		std::cerr << "p3ConnectMgr::saveList() Peer Config Item:" << std::endl;
		item->print(std::cerr, 10);
		std::cerr << std::endl;
#endif
	}

	RsPeerStunItem *sitem = new RsPeerStunItem();

	std::list<std::string>::iterator sit;
	uint32_t count = 0;
	for(sit = mStunList.begin(); (sit != mStunList.end()) && 
			(count < RS_STUN_LIST_MIN); sit++, count++)
	{
		sitem->stunList.ids.push_back(*sit);
	}

#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::saveList() Peer Stun Item:" << std::endl;
	sitem->print(std::cerr, 10);
	std::cerr << std::endl;
#endif

	saveData.push_back(sitem);

	// Now save config for network digging strategies
	
	RsConfigKeyValueSet *vitem = new RsConfigKeyValueSet ;

	RsTlvKeyValue kv;
	kv.key = "USE_EXTR_IP_FINDER" ;
	kv.value = (use_extr_addr_finder)?"TRUE":"FALSE" ;
	vitem->tlvkvs.pairs.push_back(kv) ;

	std::cout << "Pushing item for use_extr_addr_finder = " << use_extr_addr_finder << std::endl ;
	saveData.push_back(vitem);

                // Now save config for network digging strategies

        RsConfigKeyValueSet *vitem2 = new RsConfigKeyValueSet ;

        RsTlvKeyValue kv2;
        kv2.key = "ALLOW_TUNNEL_CONNECTION" ;
        kv2.value = (allow_tunnel_connection)?"TRUE":"FALSE" ;
        vitem2->tlvkvs.pairs.push_back(kv2) ;

        std::cout << "Pushing item for allow_tunnel_connection = " << allow_tunnel_connection << std::endl ;
        saveData.push_back(vitem2);

	return saveData;
}

bool  p3ConnectMgr::loadList(std::list<RsItem *> load)
{
#ifdef CONN_DEBUG
	std::cerr << "p3ConnectMgr::loadList() Item Count: " << load.size() << std::endl;
#endif

	/* load the list of peers */
	std::list<RsItem *>::iterator it;
	for(it = load.begin(); it != load.end(); it++)
	{
		RsPeerNetItem *pitem = dynamic_cast<RsPeerNetItem *>(*it);
		RsPeerStunItem *sitem = dynamic_cast<RsPeerStunItem *>(*it);
		RsConfigKeyValueSet *vitem = dynamic_cast<RsConfigKeyValueSet *>(*it) ;

		if (pitem)
		{
			if (pitem->pid == getOwnId())
			{
#ifdef CONN_DEBUG
				std::cerr << "p3ConnectMgr::loadList() Own Config Item:" << std::endl;
				pitem->print(std::cerr, 10);
				std::cerr << std::endl;
#endif
				/* add ownConfig */
				setOwnNetConfig(pitem->netMode, pitem->visState);
				setLocalAddress(pitem->pid, pitem->currentlocaladdr);
				setExtAddress(pitem->pid, pitem->currentremoteaddr);
			}
			else
			{
#ifdef CONN_DEBUG
				std::cerr << "p3ConnectMgr::loadList() Peer Config Item:" << std::endl;
				pitem->print(std::cerr, 10);
				std::cerr << std::endl;
#endif
				/* ************* */
				addFriend(pitem->pid, pitem->netMode, pitem->visState, pitem->lastContact);
				setLocalAddress(pitem->pid, pitem->currentlocaladdr);
				setExtAddress(pitem->pid, pitem->currentremoteaddr);
                                setAddressList(pitem->pid, pitem->ipAddressList);
			}
		}
		else if (sitem)
		{
			RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/
#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::loadList() Stun Config Item:" << std::endl;
			sitem->print(std::cerr, 10);
			std::cerr << std::endl;
#endif
			std::list<std::string>::iterator sit;
			for(sit = sitem->stunList.ids.begin();
				sit != sitem->stunList.ids.end(); sit++)
			{
				mStunList.push_back(*sit);
			}
		}
		else if(vitem)
		{
			RsStackMutex stack(connMtx); /****** STACK LOCK MUTEX *******/

#ifdef CONN_DEBUG
			std::cerr << "p3ConnectMgr::loadList() General Variable Config Item:" << std::endl;
			vitem->print(std::cerr, 10);
			std::cerr << std::endl;
#endif
			if(vitem->tlvkvs.pairs.front().key == "USE_EXTR_IP_FINDER")
			{
				use_extr_addr_finder = (vitem->tlvkvs.pairs.front().value == "TRUE") ;
				std::cerr << "setting use_extr_addr_finder to " << use_extr_addr_finder << std::endl ;
                        } else if (vitem->tlvkvs.pairs.front().key == "ALLOW_TUNNEL_CONNECTION")
                        {
                                allow_tunnel_connection = (vitem->tlvkvs.pairs.front().value == "TRUE") ;
                                std::cerr << "setting allow_tunnel_connection to " << allow_tunnel_connection << std::endl ;
                        }
			
		}

		delete (*it);
	}
	return true;
}



void  printConnectState(peerConnectState &peer)
{

#ifdef CONN_DEBUG
				std::cerr << "Friend: " << peer.name << " Id: " << peer.id << " State: " << peer.state;
				if (peer.state & RS_PEER_S_FRIEND)
					std::cerr << " S:RS_PEER_S_FRIEND";
				if (peer.state & RS_PEER_S_ONLINE)
					std::cerr << " S:RS_PEER_S_ONLINE";
				if (peer.state & RS_PEER_S_CONNECTED)
					std::cerr << " S:RS_PEER_S_CONNECTED";
				std::cerr << " Actions: " << peer.actions;
				if (peer.actions & RS_PEER_NEW)
					std::cerr << " A:RS_PEER_NEW";
				if (peer.actions & RS_PEER_MOVED)
					std::cerr << " A:RS_PEER_MOVED";
				if (peer.actions & RS_PEER_CONNECTED)
					std::cerr << " A:RS_PEER_CONNECTED";
				if (peer.actions & RS_PEER_DISCONNECTED)
					std::cerr << " A:RS_PEER_DISCONNECTED";
				if (peer.actions & RS_PEER_CONNECT_REQ)
					std::cerr << " A:RS_PEER_CONNECT_REQ";

				std::cerr << std::endl;
#endif
	return;
}



bool  p3ConnectMgr::addBootstrapStunPeers()
{
	std::string id;
	struct sockaddr_in dummyaddr;
	uint32_t flags = 0;

	/* only use the Bootstrap system now */

	return true;
}

/************************ INTERFACES ***********************/


void p3ConnectMgr::addNetAssistFirewall(uint32_t id, pqiNetAssistFirewall *fwAgent)
{
	mFwAgents[id] = fwAgent;
}


bool p3ConnectMgr::enableNetAssistFirewall(bool on)
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		(it->second)->enable(on);
	}
	return true;
}


bool p3ConnectMgr::netAssistFirewallEnabled()
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		if ((it->second)->getEnabled())
		{
			return true;
		}
	}
	return false;
}

bool p3ConnectMgr::netAssistFirewallActive()
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		if ((it->second)->getActive())
		{
			return true;
		}
	}
	return false;
}

bool p3ConnectMgr::netAssistFirewallShutdown()
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		(it->second)->shutdown();
	}
	return true;
}

bool p3ConnectMgr::netAssistFirewallPorts(uint16_t iport, uint16_t eport)
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		(it->second)->setInternalPort(iport);
		(it->second)->setExternalPort(eport);
	}
	return true;
}


bool p3ConnectMgr::netAssistExtAddress(struct sockaddr_in &extAddr)
{
	std::map<uint32_t, pqiNetAssistFirewall *>::iterator it;
	for(it = mFwAgents.begin(); it != mFwAgents.end(); it++)
	{
		if ((it->second)->getActive())
		{
			if ((it->second)->getExternalAddress(extAddr))
			{
				return true;
			}
		}
	}
	return false;
}


void p3ConnectMgr::addNetAssistConnect(uint32_t id, pqiNetAssistConnect *dht)
{
	mDhts[id] = dht;
}

bool p3ConnectMgr::enableNetAssistConnect(bool on)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->enable(on);
	}
	return true;
}

bool p3ConnectMgr::netAssistConnectEnabled()
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		if ((it->second)->getEnabled())
		{
			return true;
		}
	}
	return false;
}

bool p3ConnectMgr::netAssistConnectActive()
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		if ((it->second)->getActive())

		{
			return true;
		}
	}
	return false;
}

bool p3ConnectMgr::netAssistConnectShutdown()
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->shutdown();
	}
	return true;
}

bool p3ConnectMgr::netAssistFriend(std::string id, bool on)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		if (on)
		{
			(it->second)->findPeer(id);
		}
		else
		{
			(it->second)->dropPeer(id);
		}
	}
	return true;
}

bool p3ConnectMgr::netAssistAddStun(std::string id)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->addStun(id);
	}
	return true;
}


bool p3ConnectMgr::netAssistStun(bool on)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->enableStun(on);
	}
	return true;
}

bool p3ConnectMgr::netAssistNotify(std::string id)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->notifyPeer(id);
	}
	return true;
}


bool p3ConnectMgr::netAssistSetAddress( struct sockaddr_in &laddr,
					struct sockaddr_in &eaddr,
					uint32_t mode)
{
	std::map<uint32_t, pqiNetAssistConnect *>::iterator it;
	for(it = mDhts.begin(); it != mDhts.end(); it++)
	{
		(it->second)->setExternalInterface(laddr, eaddr, mode);
	}
	return true;
}


bool    p3ConnectMgr::getUPnPState()
{
	return netAssistFirewallActive();
}

bool	p3ConnectMgr::getUPnPEnabled()
{
	return netAssistFirewallEnabled();
}

bool	p3ConnectMgr::getDHTEnabled()
{
	return netAssistConnectEnabled();
}


bool	p3ConnectMgr::getNetStatusLocalOk()
{
	return netFlagLocalOk;
}

bool	p3ConnectMgr::getNetStatusUpnpOk()
{
	return netFlagUpnpOk;
}

bool	p3ConnectMgr::getNetStatusDhtOk()
{
	return netFlagDhtOk;
}

bool	p3ConnectMgr::getNetStatusStunOk()
{
	return netFlagStunOk;
}

bool	p3ConnectMgr::getNetStatusExtraAddressCheckOk()
{
	return netFlagExtraAddressCheckOk;
}

bool 	p3ConnectMgr::getUpnpExtAddress(struct sockaddr_in &addr) {
	    return  netAssistExtAddress(addr);
	}

bool 	p3ConnectMgr::getStunExtAddress(struct sockaddr_in &addr) {
	struct sockaddr_in temp_addr;
	socklen_t len = sizeof(temp_addr);
	uint8_t stable;

	if (0 < tou_extaddr((struct sockaddr *) &temp_addr, &len, &stable))
	{
		addr = temp_addr;

//#ifdef CONN_DEBUG
//		std::cerr << "p3ConnectMgr::getStunExtAddress() Got ";
//		std::cerr << " addr: " << inet_ntoa(addr.sin_addr);
//		std::cerr << ":" << ntohs(addr.sin_port);
//		std::cerr << std::endl;
//#endif
		return true;
	}
//#ifdef CONN_DEBUG
//		std::cerr << "p3ConnectMgr::getStunExtAddress() No ext address found." << std::endl;
//#endif
	return false;

}

bool 	p3ConnectMgr::getExtFinderExtAddress(struct sockaddr_in &addr)    {
	    return (use_extr_addr_finder && mExtAddrFinder->hasValidIP(&addr));
}

bool peerConnectState::compare_seen_time (IpAddressTimed first, IpAddressTimed second) { //Sort the ip list ordering by seen time
    return (first.seenTime < second.seenTime);
}

bool peerConnectState::is_same_address(IpAddressTimed first, IpAddressTimed second) { //Sort the ip list ordering by seen time
    return (first.ipAddr.sin_addr.s_addr == second.ipAddr.sin_addr.s_addr && first.ipAddr.sin_port == second.ipAddr.sin_port);
}

void peerConnectState::sortIpAddressListBySeenTime() { //Sort the ip list ordering by seen time
    sortIpAddressListBySeenTime(this->ipAddressList);
}

void peerConnectState::sortIpAddressListBySeenTime(std::list<IpAddressTimed> &ipTimedListInput) { //Sort the ip list ordering by seen time
#ifdef CONN_DEBUG
    std::cerr << "peerConnectState::sortIpAdressListBySeenTime() called" << std::endl;
#endif
    ipTimedListInput.sort(peerConnectState::compare_seen_time);
    ipTimedListInput.reverse();
}


std::list<IpAddressTimed>  peerConnectState::getIpAddressList()  {
#ifdef CONN_DEBUG
    std::cerr << "peerConnectState::getIpAddressList() called" << std::endl;
#endif
    purgeIpAddressList();
#ifdef CONN_DEBUG
    printIpAddressList();
#endif
    return ipAddressList;
}

void peerConnectState::purgeIpAddressList() {//purge old and useless addresses to keep a small list
#ifdef CONN_DEBUG
    std::cerr << "peerConnectState::purgeIpAdressList() called." << std::endl;
#endif

    std::list<IpAddressTimed>::iterator ipListIt;
    for (ipListIt = ipAddressList.begin(); ipListIt!=(ipAddressList.end());) {
        if (ipListIt->ipAddr.sin_addr.s_addr == 0) {
	    ipAddressList.erase(ipListIt++);
	} else {
	    ++ipListIt;
	}
    }
    printIpAddressList();

    //purge duplicates
    for (ipListIt = ipAddressList.begin(); ipListIt!=(ipAddressList.end()); ipListIt++) {
	std::list<IpAddressTimed>::iterator ipListIt2 = ipListIt;
	++ipListIt2;
	while (ipListIt2!=(ipAddressList.end())) {
	    if (is_same_address(*ipListIt2, *ipListIt)) {
		ipAddressList.erase(ipListIt2++);
	    } else {
		++ipListIt2;
	    }
	}
    }

    sortIpAddressListBySeenTime();
    //keep only a limited number of addresses
    if (ipAddressList.size() > PEER_IP_CONNECT_STATE_MAX_LIST_SIZE) {
        ipAddressList.resize(PEER_IP_CONNECT_STATE_MAX_LIST_SIZE);
    }
}

void peerConnectState::updateIpAddressList(std::list<IpAddressTimed> ipTimedList) { //purge old addresses to keep a small list
		std::list<IpAddressTimed>::iterator ipListIt;
		for (ipListIt = ipTimedList.begin(); ipListIt!=(ipTimedList.end()); ipListIt++) {
		    updateIpAddressList(*ipListIt);
		}
}

void peerConnectState::updateIpAddressList(IpAddressTimed ipTimed) { //purge old addresses to keep a small list
#ifdef CONN_DEBUG
			std::cerr << "peerConnectState::updateIpAdressList() ip " << inet_ntoa(ipTimed.ipAddr.sin_addr);
			std::cerr << ":" << ntohs(ipTimed.ipAddr.sin_port);
			std::cerr << std::endl;
#endif
		if (ipTimed.ipAddr.sin_addr.s_addr == 0 || ipTimed.ipAddr.sin_port == 0 ||
		    std::string(inet_ntoa(ipTimed.ipAddr.sin_addr)) == "1.1.1.1") {
#ifdef CONN_DEBUG
			std::cerr << "peerConnectState::updateIpAdressList() ip parameter is 0.0.0.0, 1.1.1.1 or port is 0, ignoring." << std::endl;
#endif
		    return;
		}

		//check if the ip list contains the current remote address of the connected peer
		bool found = false;
		std::list<IpAddressTimed>::iterator ipListIt;
		for (ipListIt = ipAddressList.begin(); ipListIt!=(ipAddressList.end()) && !found; ipListIt++) {
		    if (is_same_address(*ipListIt, ipTimed)) {
#ifdef CONN_DEBUG
			std::cerr << "peerConnectState::updateIpAdressList() ip found in the list." << std::endl;
#endif
			found = true;
			//update the seen time
			if (ipListIt->seenTime < ipTimed.seenTime) {
			    ipListIt->seenTime = ipTimed.seenTime;
    #ifdef CONN_DEBUG
			    std::cerr << "peerConnectState::updateIpAdressList() Update seen time to : " << ipTimed.seenTime << std::endl;
   #endif
			}
		    }
		}

		if (!found) {
		    //add the current addresses to the ip list
#ifdef CONN_DEBUG
		    std::cerr << "peerConnectState::updateIpAdressList() adding to the ip list the current remote addr : " << id << " address : " << inet_ntoa(ipTimed.ipAddr.sin_addr);
		    std::cerr << ":" << ntohs(ipTimed.ipAddr.sin_port);
		    std::cerr << std::endl;
#endif
		    ipAddressList.push_back(ipTimed);
		}

}

void peerConnectState::printIpAddressList() {
#ifdef CONN_DEBUG
			std::cerr << "peerConnectState::printIpAdressList() current ip list for the peer : " << id << ", size : " << ipAddressList.size() << ", adresses : " << std::endl;
#endif
		for (std::list<IpAddressTimed>::iterator ipListIt = ipAddressList.begin(); ipListIt!=(ipAddressList.end()); ipListIt++) {
#ifdef CONN_DEBUG
			std::cerr << inet_ntoa(ipListIt->ipAddr.sin_addr) << ":" << ntohs(ipListIt->ipAddr.sin_port) << " seenTime : " << ipListIt->seenTime << std::endl;
#endif
		}

}

bool peerConnectState::extractExtAddress(std::list<IpAddressTimed> IpAddressTimedList, IpAddressTimed &resultAddress) {//extract first address that is not the same as local address
                sortIpAddressListBySeenTime(IpAddressTimedList);
                //check if the ip list contains the current remote address of the connected peer
                std::list<IpAddressTimed>::iterator ipListIt;
                for (ipListIt = IpAddressTimedList.begin(); ipListIt!=(IpAddressTimedList.end()); ++ipListIt) {
                    //assume address is valid if not private, is not 0 and is not loopback
                    if ((ipListIt->ipAddr.sin_addr.s_addr != 0)
                        && (!isLoopbackNet(&ipListIt->ipAddr.sin_addr))
                        && (!isPrivateNet(&ipListIt->ipAddr.sin_addr))
                        ) {
                            resultAddress = *ipListIt;
                            return true;
                    }
                }
                return false;
}


void peerConnectState::printIpAddressList(std::list<IpAddressTimed> ipTimedList) {
#ifdef CONN_DEBUG
			std::cerr << "peerConnectState::printIpAdressList()" << std::endl;
#endif
		for (std::list<IpAddressTimed>::iterator ipListIt = ipTimedList.begin(); ipListIt!=(ipTimedList.end()); ipListIt++) {
#ifdef CONN_DEBUG
			std::cerr << inet_ntoa(ipListIt->ipAddr.sin_addr) << ":" << ntohs(ipListIt->ipAddr.sin_port) << " seenTime : " << ipListIt->seenTime << std::endl;
#endif
		}
}

p3tunnel* p3ConnectMgr::getP3tunnel() {
    return mP3tunnel;
}

void 	p3ConnectMgr::setP3tunnel(p3tunnel *p3tun) {
    mP3tunnel = p3tun;
}