RetroShare/libretroshare/src/dht/p3bitdht_peernet.cc

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#include "dht/p3bitdht.h"
#include <stdio.h>
#include <iostream>
#include "bitdht/bdiface.h"
#include "bitdht/bdstddht.h"
#include "bitdht/bdmanager.h"
//#include "udp/udplayer.h"
#include "util/rsnet.h"
#include "tcponudp/tou.h"
#include "tcponudp/udpstunner.h"
#include "tcponudp/udprelay.h"
#include "pqi/p3netmgr.h"
#include "pqi/pqimonitor.h"
#define PEERNET_CONNECT_TIMEOUT 180 // Should be BIGGER than Higher level (but okay if not!)
#define MIN_DETERMINISTIC_SWITCH_PERIOD 60
/***
*
* #define DEBUG_BITDHT_COMMON 1 // These are the things that are called regularly (annoying for debugging specifics)
* #define DEBUG_PEERNET 1
*
**/
/******************************************************************************************
************************************* Dht Callback ***************************************
******************************************************************************************/
/**** dht NodeCallback ****
*
*
* In the old version, we used this to callback mConnCb->peerStatus()
* We might want to drop this, and concentrate on the connection stuff.
*
* -> if an new dht peer, then pass to Stunners.
* -> do we care if we know them? not really!
*/
int p3BitDht::InfoCallback(const bdId *id, uint32_t /*type*/, uint32_t /*flags*/, std::string /*info*/)
{
/* translate info */
RsPeerId rsid;
struct sockaddr_in addr = id->addr;
int outtype = PNASS_TYPE_BADPEER;
int outreason = PNASS_REASON_UNKNOWN;
int outage = 0;
#ifdef DEBUG_BITDHT_COMMON
std::cerr << "p3BitDht::InfoCallback() likely BAD_PEER: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(id->id), RSDHT_PEERTYPE_ANY);
if (dpd)
{
rsid = dpd->mRsId;
}
}
if (mPeerSharer)
{
struct sockaddr_storage tmpaddr;
struct sockaddr_in *ap = (struct sockaddr_in *) &tmpaddr;
ap->sin_family = AF_INET;
ap->sin_addr = addr.sin_addr;
ap->sin_port = addr.sin_port;
mPeerSharer->updatePeer(rsid, tmpaddr, outtype, outreason, outage);
}
/* call to the Stunners to drop the address as well */
/* IDEALLY these addresses should all be filtered at UdpLayer level instead! */
if (mDhtStunner)
{
mDhtStunner->dropStunPeer(addr);
}
if (mProxyStunner)
{
mProxyStunner->dropStunPeer(addr);
}
return 1;
}
/**** dht NodeCallback ****
*
*
* In the old version, we used this to callback mConnCb->peerStatus()
* We might want to drop this, and concentrate on the connection stuff.
*
* -> if an new dht peer, then pass to Stunners.
* -> do we care if we know them? not really!
*/
int p3BitDht::NodeCallback(const bdId *id, uint32_t peerflags)
{
// No need for Mutex, and Stunners are self protected.
// These are the flags that will be returned by p3BitDht & RS peers with the new DHT.
// if (peerflags & BITDHT_PEER_STATUS_DHT_ENGINE_VERSION) // Change to this later...
if ((peerflags & BITDHT_PEER_STATUS_DHT_ENGINE) &&
(peerflags & BITDHT_PEER_STATUS_DHT_APPL))
{
/* pass off to the Stunners
* but only if they need them.
* ideally don't pass to both peers... (XXX do later)
*/
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
if (id->id == mOwnDhtId)
{
#ifdef DEBUG_BITDHT_COMMON
std::cerr << "p3BitDht::NodeCallback() Skipping own id";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
return 1;
}
}
if ((mProxyStunner) && (mProxyStunner->needStunPeers()))
{
#ifdef DEBUG_BITDHT_COMMON
std::cerr << "p3BitDht::NodeCallback() Passing BitDHT Peer to DhtStunner: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
mProxyStunner->addStunPeer(id->addr, NULL);
}
/* else */ // removed else until we have lots of peers.
if ((mDhtStunner) && (mDhtStunner->needStunPeers()))
{
#ifdef DEBUG_BITDHT_COMMON
std::cerr << "p3BitDht::NodeCallback() Passing BitDHT Peer to DhtStunner: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
mDhtStunner->addStunPeer(id->addr, NULL);
}
}
return 1;
}
/**** dht PeerCallback ****
*
*
* In the old version, we used this to callback mConnCb->peerConnectRequest()
* we need to continue doing this, to maintain compatibility.
*
* -> update Dht Status, and trigger connect if ONLINE or UNREACHABLE
*/
int p3BitDht::PeerCallback(const bdId *id, uint32_t status)
{
//std::string str;
//bdStdPrintNodeId(str, &(id->id));
//std::cerr << "p3BitDht::dhtPeerCallback()";
//std::cerr << std::endl;
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(id->id), RSDHT_PEERTYPE_FRIEND);
if (!dpd)
{
/* ERROR */
std::cerr << "p3BitDht::PeerCallback() ERROR Unknown Peer: ";
bdStdPrintId(std::cerr, id);
std::cerr << " status: " << status;
std::cerr << std::endl;
return 0;
}
sockaddr_clear(&(dpd->mDhtId.addr));
switch(status)
{
default:
dpd->mDhtState = RSDHT_PEERDHT_NOT_ACTIVE;
break;
case BITDHT_MGR_QUERY_FAILURE:
dpd->mDhtState = RSDHT_PEERDHT_FAILURE;
break;
case BITDHT_MGR_QUERY_PEER_OFFLINE:
dpd->mDhtState = RSDHT_PEERDHT_OFFLINE;
break;
case BITDHT_MGR_QUERY_PEER_UNREACHABLE:
dpd->mDhtState = RSDHT_PEERDHT_UNREACHABLE;
dpd->mDhtId = *id; // set the IP:Port of the unreachable peer.
UnreachablePeerCallback_locked(id, status, dpd);
break;
case BITDHT_MGR_QUERY_PEER_ONLINE:
dpd->mDhtState = RSDHT_PEERDHT_ONLINE;
dpd->mDhtId = *id; // set the IP:Port of the Online peer.
OnlinePeerCallback_locked(id, status, dpd);
break;
}
time_t now = time(NULL);
dpd->mDhtUpdateTS = now;
return 1;
}
int p3BitDht::OnlinePeerCallback_locked(const bdId *id, uint32_t /*status*/, DhtPeerDetails *dpd)
{
/* remove unused parameter warnings */
(void) id;
if ((dpd->mPeerConnectState != RSDHT_PEERCONN_DISCONNECTED) ||
(dpd->mPeerReqState == RSDHT_PEERREQ_RUNNING))
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::OnlinePeerCallback_locked() WARNING Ignoring Callback: connection already underway: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
return 1;
}
bool connectOk = true;
bool doTCPCallback = false;
/* work out network state */
uint32_t connectFlags = dpd->mConnectLogic.connectCb(CSB_CONNECT_DIRECT,
mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode());
// bool useProxyPort = (connectFlags & CSB_ACTION_PROXY_PORT);
switch(connectFlags & CSB_ACTION_MASK_MODE)
{
default:
case CSB_ACTION_WAIT:
{
connectOk = false;
}
break;
case CSB_ACTION_TCP_CONN:
{
connectOk = false;
doTCPCallback = true;
}
break;
case CSB_ACTION_DIRECT_CONN:
{
connectOk = true;
}
break;
case CSB_ACTION_PROXY_CONN:
{
/* ERROR */
std::cerr << "dhtPeerCallback: ERROR ConnectLogic returned PROXY";
std::cerr << std::endl;
connectOk = false;
}
break;
case CSB_ACTION_RELAY_CONN:
{
/* ERROR */
std::cerr << "dhtPeerCallback: ERROR ConnectLogic returned RELAY";
std::cerr << std::endl;
connectOk = false;
}
break;
}
if (connectOk)
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Peer Online, triggering Direct Connection for: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_CONNECT;
ca.mMode = BITDHT_CONNECT_MODE_DIRECT;
ca.mDestId = *id;
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
}
/* might need to make this an ACTION - leave for now */
if (doTCPCallback)
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Peer Online, triggering TCP Connection for: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_TCPATTEMPT;
ca.mMode = BITDHT_CONNECT_MODE_DIRECT;
ca.mDestId = *id;
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
//ConnectCalloutTCPAttempt(dpd->mRsId, id->addr);
}
return 1;
}
int p3BitDht::UnreachablePeerCallback_locked(const bdId *id, uint32_t /*status*/, DhtPeerDetails *dpd)
{
if ((dpd->mPeerConnectState != RSDHT_PEERCONN_DISCONNECTED) ||
(dpd->mPeerReqState == RSDHT_PEERREQ_RUNNING))
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::UnreachablePeerCallback_locked() WARNING Ignoring Callback: connection already underway: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
return 1;
}
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Peer Unreachable, triggering Proxy | Relay Connection for: ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
bool proxyOk = false;
bool connectOk = true;
/* work out network state */
uint32_t connectFlags = dpd->mConnectLogic.connectCb(CSB_CONNECT_UNREACHABLE,
mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode());
bool useProxyPort = (connectFlags & CSB_ACTION_PROXY_PORT);
switch(connectFlags & CSB_ACTION_MASK_MODE)
{
default:
case CSB_ACTION_WAIT:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Request to Wait ... so no Connection Attempt for ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
connectOk = false;
}
break;
case CSB_ACTION_DIRECT_CONN:
{
/* ERROR */
std::cerr << "dhtPeerCallback: ERROR ConnectLogic returned DIRECT";
std::cerr << std::endl;
connectOk = false;
}
break;
case CSB_ACTION_PROXY_CONN:
{
proxyOk = true;
connectOk = true;
}
break;
case CSB_ACTION_RELAY_CONN:
{
proxyOk = false;
connectOk = true;
}
break;
}
if (connectOk)
{
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_CONNECT;
ca.mDestId = *id;
dpd->mConnectLogic.storeProxyPortChoice(connectFlags, useProxyPort);
if (proxyOk)
{
ca.mMode = BITDHT_CONNECT_MODE_PROXY;
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Trying Proxy Connection.";
std::cerr << std::endl;
#endif
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Trying Relay Connection.";
std::cerr << std::endl;
#endif
ca.mMode = BITDHT_CONNECT_MODE_RELAY;
}
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtPeerCallback. Cancelled Connection Attempt for ";
bdStdPrintId(std::cerr, id);
std::cerr << std::endl;
#endif
}
return 1;
}
int p3BitDht::ValueCallback(const bdNodeId */*id*/, std::string /*key*/, uint32_t /*status*/)
{
std::cerr << "p3BitDht::ValueCallback() ERROR Does nothing!";
std::cerr << std::endl;
return 1;
}
int p3BitDht::ConnectCallback(const bdId *srcId, const bdId *proxyId, const bdId *destId,
uint32_t mode, uint32_t point, uint32_t param, uint32_t cbtype, uint32_t errcode)
{
#ifdef DEBUG_PEERNET
#endif
std::cerr << "p3BitDht::ConnectCallback()";
std::cerr << std::endl;
std::cerr << "srcId: ";
bdStdPrintId(std::cerr, srcId);
std::cerr << std::endl;
std::cerr << "proxyId: ";
bdStdPrintId(std::cerr, proxyId);
std::cerr << std::endl;
std::cerr << "destId: ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
std::cerr << " mode: " << mode;
std::cerr << " param: " << param;
std::cerr << " point: " << point;
std::cerr << " cbtype: " << cbtype;
std::cerr << std::endl;
/* we handle MID and START/END points differently... this is biggest difference.
* so handle first.
*/
bdId peerId;
time_t now = time(NULL);
switch(point)
{
default:
case BD_PROXY_CONNECTION_UNKNOWN_POINT:
{
std::cerr << "p3BitDht::dhtConnectCallback() ERROR UNKNOWN point, ignoring Callback";
std::cerr << std::endl;
return 0;
}
case BD_PROXY_CONNECTION_START_POINT:
peerId = *destId;
break;
case BD_PROXY_CONNECTION_END_POINT:
peerId = *srcId;
break;
case BD_PROXY_CONNECTION_MID_POINT:
{
/* AS a mid point, we can receive.... AUTH,PENDING,PROXY,FAILED */
switch(cbtype)
{
case BITDHT_CONNECT_CB_AUTH:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection Requested Between:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
#endif
/* if there is an error code - then it is just to inform us of a failed attempt */
if (errcode)
{
RelayHandler_LogFailedProxyAttempt(srcId, destId, mode, errcode);
/* END MID FAILED ATTEMPT */
return 1;
}
uint32_t bandwidth = 0;
int connectionAllowed = BITDHT_CONNECT_ERROR_GENERIC;
if (checkProxyAllowed(srcId, destId, mode, bandwidth))
{
connectionAllowed = BITDHT_CONNECT_ANSWER_OKAY;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Allowed";
std::cerr << std::endl;
#endif
}
else
{
connectionAllowed = BITDHT_CONNECT_ERROR_AUTH_DENIED;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Denied";
std::cerr << std::endl;
#endif
}
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_AUTHORISE;
ca.mMode = mode;
ca.mProxyId = *proxyId;
ca.mSrcId = *srcId;
ca.mDestId = *destId;
ca.mPoint = point;
ca.mAnswer = connectionAllowed;
ca.mDelayOrBandwidth = bandwidth;
mActions.push_back(ca);
}
break;
case BITDHT_CONNECT_CB_PENDING:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection Pending:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
#endif
}
break;
case BITDHT_CONNECT_CB_PROXY:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection Starting:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
#endif
}
break;
case BITDHT_CONNECT_CB_FAILED:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection Failed:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << " ErrorCode: " << errcode;
int errsrc = errcode & BITDHT_CONNECT_ERROR_MASK_SOURCE;
int errtype = errcode & BITDHT_CONNECT_ERROR_MASK_TYPE;
std::cerr << " ErrorSrc: " << errsrc;
std::cerr << " ErrorType: " << errtype;
std::cerr << std::endl;
#endif
if (mode == BITDHT_CONNECT_MODE_RELAY)
{
removeRelayConnection(srcId, destId);
}
}
break;
default:
case BITDHT_CONNECT_CB_START:
{
std::cerr << "dhtConnectionCallback() ERROR unexpected Proxy ConnectionCallback:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
}
break;
}
/* End the MID Point stuff */
return 1;
}
}
/* if we get here, we are an endpoint (peer specified in peerId) */
/* translate id into string for exclusive mode */
std::string pid;
bdStdPrintNodeId(pid, &(peerId.id), false);
switch(cbtype)
{
case BITDHT_CONNECT_CB_AUTH:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Requested By: ";
bdStdPrintId(std::cerr, &(peerId));
std::cerr << std::endl;
#endif
int connectionAllowed = BITDHT_CONNECT_ERROR_GENERIC;
if (checkConnectionAllowed(&(peerId), mode))
{
connectionAllowed = BITDHT_CONNECT_ANSWER_OKAY;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Allowed";
std::cerr << std::endl;
#endif
}
else
{
connectionAllowed = BITDHT_CONNECT_ERROR_AUTH_DENIED;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Denied";
std::cerr << std::endl;
#endif
}
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_AUTHORISE;
ca.mProxyId = *proxyId;
ca.mSrcId = *srcId;
ca.mDestId = *destId;
ca.mDelayOrBandwidth = 0;
/* Check Proxy ExtAddress Status (but only if connection is Allowed) */
if ((connectionAllowed == BITDHT_CONNECT_ANSWER_OKAY) &&
(mode == BITDHT_CONNECT_MODE_PROXY))
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Checking Address for Proxy";
std::cerr << std::endl;
#endif
struct sockaddr_in extaddr;
uint8_t extStable = 0;
sockaddr_clear(&extaddr);
bool connectOk = false;
bool proxyPort = false;
bool exclusivePort = false;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback(): Proxy... deciding which port to use.";
std::cerr << std::endl;
#endif
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
proxyPort = dpd->mConnectLogic.shouldUseProxyPort(
mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode());
dpd->mConnectLogic.storeProxyPortChoice(0, proxyPort);
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: Setting ProxyPort: ";
std::cerr << " UseProxyPort? " << proxyPort;
std::cerr << std::endl;
std::cerr << "dhtConnectionCallback: Checking ConnectLogic.NetState: ";
std::cerr << dpd->mConnectLogic.calcNetState(mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode());
std::cerr << std::endl;
#endif
if (proxyPort)
{
exclusivePort = (CSB_NETSTATE_EXCLUSIVENAT == dpd->mConnectLogic.calcNetState(
mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode()));
}
if (exclusivePort)
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: we Require Exclusive Proxy Port for connection";
std::cerr << std::endl;
#endif
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: Dont need Exclusive Proxy Port for connection";
std::cerr << std::endl;
#endif
}
connectOk = true;
}
else
{
std::cerr << "PeerAction: Connect Proxy: ERROR Cannot find PeerStatus";
std::cerr << std::endl;
}
UdpStunner *stunner = mProxyStunner;
if (!proxyPort)
{
stunner = mDhtStunner;
}
if ((connectOk) && (stunner) && (stunner->externalAddr(extaddr, extStable)))
{
if (extStable)
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection Attempt to: ";
bdStdPrintId(std::cerr, &(peerId));
std::cerr << " is Ok as we have Stable Own External Proxy Address";
std::cerr << std::endl;
#endif
if (point == BD_PROXY_CONNECTION_END_POINT)
{
ca.mDestId.addr = extaddr;
}
else
{
ca.mSrcId.addr = extaddr;
std::cerr << "dhtConnectionCallback() ERROR Proxy Auth as SrcId";
std::cerr << std::endl;
}
/* check if we require exclusive use of the proxy port */
if (exclusivePort)
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: Attempting to Grab ExclusiveLock of UdpStunner";
std::cerr << std::endl;
#endif
int stun_age = mProxyStunner->grabExclusiveMode(pid);
if (stun_age > 0)
{
int delay = 0;
if (stun_age < MIN_DETERMINISTIC_SWITCH_PERIOD)
{
delay = MIN_DETERMINISTIC_SWITCH_PERIOD - stun_age;
}
/* great we got it! */
ca.mDelayOrBandwidth = delay;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: GotExclusiveLock With Delay: " << delay;
std::cerr << " for stable port";
std::cerr << std::endl;
#endif
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
dpd->mExclusiveProxyLock = true;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: Success at grabbing ExclusiveLock of UdpStunner";
std::cerr << std::endl;
#endif
}
else
{
std::cerr << "PeerAction: Connect Proxy: ERROR Cannot find PeerStatus";
std::cerr << std::endl;
connectionAllowed = BITDHT_CONNECT_ERROR_TEMPUNAVAIL;
mProxyStunner->releaseExclusiveMode(pid,false);
}
}
else
{
/* failed to get exclusive mode - must wait */
connectionAllowed = BITDHT_CONNECT_ERROR_TEMPUNAVAIL;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback: Failed to Grab ExclusiveLock, Returning TEMPUNAVAIL";
std::cerr << std::endl;
#endif
}
}
}
else
{
if (exclusivePort)
{
connectionAllowed = BITDHT_CONNECT_ERROR_TEMPUNAVAIL;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection";
std::cerr << " is Discarded, as External Proxy Address is Not Stable! (EXCLUSIVE MODE)";
std::cerr << std::endl;
#endif
}
else
{
connectionAllowed = BITDHT_CONNECT_ERROR_UNREACHABLE;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Proxy Connection";
std::cerr << " is Discarded, as Own External Proxy Address is Not Stable!";
std::cerr << std::endl;
#endif
}
}
}
else
{
connectionAllowed = BITDHT_CONNECT_ERROR_TEMPUNAVAIL;
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() ERROR Proxy Connection ";
std::cerr << " is Discarded, as Failed to get Own External Proxy Address.";
std::cerr << std::endl;
#endif
}
}
ca.mMode = mode;
ca.mPoint = point;
ca.mAnswer = connectionAllowed;
mActions.push_back(ca);
}
break;
case BITDHT_CONNECT_CB_START:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Connection Starting with: ";
bdStdPrintId(std::cerr, &(peerId));
std::cerr << std::endl;
#endif
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_START;
ca.mMode = mode;
ca.mProxyId = *proxyId;
ca.mSrcId = *srcId;
ca.mDestId = *destId;
ca.mPoint = point;
ca.mDelayOrBandwidth = param;
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
}
break;
case BITDHT_CONNECT_CB_FAILED:
{
#ifdef DEBUG_PEERNET
#endif
std::cerr << "dhtConnectionCallback() Connection Attempt Failed with:";
bdStdPrintId(std::cerr, &(peerId));
std::cerr << std::endl;
std::cerr << "dhtConnectionCallback() Proxy:";
bdStdPrintId(std::cerr, proxyId);
std::cerr << std::endl;
std::cerr << "dhtConnectionCallback() ";
std::cerr << " ErrorCode: " << errcode;
int errsrc = errcode & BITDHT_CONNECT_ERROR_MASK_SOURCE;
int errtype = errcode & BITDHT_CONNECT_ERROR_MASK_TYPE;
std::cerr << " ErrorSrc: " << errsrc;
std::cerr << " ErrorType: " << errtype;
std::cerr << std::endl;
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
dpd->mPeerCbMsg = "ERROR : ";
dpd->mPeerCbMsg += decodeConnectionError(errcode);
dpd->mPeerCbMode = mode;
dpd->mPeerCbPoint = point;
dpd->mPeerCbProxyId = *proxyId;
dpd->mPeerCbDestId = peerId;
dpd->mPeerCbTS = now;
}
else
{
std::cerr << "dhtConnectionCallback() ";
std::cerr << "ERROR Unknown Peer";
std::cerr << std::endl;
}
}
break;
case BITDHT_CONNECT_CB_REQUEST:
{
#ifdef DEBUG_PEERNET
std::cerr << "dhtConnectionCallback() Local Connection Request Feedback:";
bdStdPrintId(std::cerr, &(peerId));
std::cerr << std::endl;
std::cerr << "dhtConnectionCallback() Proxy:";
bdStdPrintId(std::cerr, proxyId);
std::cerr << std::endl;
#endif
if (point != BD_PROXY_CONNECTION_START_POINT)
{
std::cerr << "dhtConnectionCallback() ERROR not START_POINT";
std::cerr << std::endl;
return 0;
}
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
if (errcode)
{
ReleaseProxyExclusiveMode_locked(dpd, false);
dpd->mPeerReqStatusMsg = "STOPPED: ";
dpd->mPeerReqStatusMsg += decodeConnectionError(errcode);
dpd->mPeerReqState = RSDHT_PEERREQ_STOPPED;
dpd->mPeerReqTS = now;
int updatecode = CSB_UPDATE_FAILED_ATTEMPT;
int errtype = errcode & BITDHT_CONNECT_ERROR_MASK_TYPE;
switch(errtype)
{
/* fatal errors */
case BITDHT_CONNECT_ERROR_AUTH_DENIED:
{
updatecode = CSB_UPDATE_AUTH_DENIED;
}
break;
/* move on errors */
case BITDHT_CONNECT_ERROR_UNREACHABLE: // sym NAT.
case BITDHT_CONNECT_ERROR_UNSUPPORTED: // mode unavailable.
{
updatecode = CSB_UPDATE_MODE_UNAVAILABLE;
}
break;
/* retry attempts */
case BITDHT_CONNECT_ERROR_TEMPUNAVAIL:
case BITDHT_CONNECT_ERROR_DUPLICATE:
{
updatecode = CSB_UPDATE_RETRY_ATTEMPT;
}
break;
/* standard failed attempts */
case BITDHT_CONNECT_ERROR_GENERIC:
case BITDHT_CONNECT_ERROR_PROTOCOL:
case BITDHT_CONNECT_ERROR_TIMEOUT:
case BITDHT_CONNECT_ERROR_NOADDRESS:
case BITDHT_CONNECT_ERROR_OVERLOADED:
/* CB_REQUEST errors */
case BITDHT_CONNECT_ERROR_TOOMANYRETRY:
case BITDHT_CONNECT_ERROR_OUTOFPROXY:
{
updatecode = CSB_UPDATE_FAILED_ATTEMPT;
}
break;
/* user cancelled ... no update */
case BITDHT_CONNECT_ERROR_USER:
{
updatecode = CSB_UPDATE_NONE;
}
break;
}
if (updatecode)
{
dpd->mConnectLogic.updateCb(updatecode);
}
}
else // a new connection attempt.
{
dpd->mPeerReqStatusMsg = "Connect Attempt";
dpd->mPeerReqState = RSDHT_PEERREQ_RUNNING;
dpd->mPeerReqMode = mode;
dpd->mPeerReqProxyId = *proxyId;
dpd->mPeerReqTS = now;
// This also is flagged into the instant Cb info.
dpd->mPeerCbMsg = "Local Connect Attempt";
dpd->mPeerCbMode = mode;
dpd->mPeerCbPoint = point;
dpd->mPeerCbProxyId = *proxyId;
dpd->mPeerCbDestId = peerId;
dpd->mPeerCbTS = now;
}
}
else
{
std::cerr << "dhtConnectionCallback() ERROR Cannot find PeerStatus";
std::cerr << std::endl;
}
}
break;
default:
case BITDHT_CONNECT_CB_PENDING:
case BITDHT_CONNECT_CB_PROXY:
{
std::cerr << "dhtConnectionCallback() ERROR unexpected ConnectionCallback:";
std::cerr << std::endl;
bdStdPrintId(std::cerr, srcId);
std::cerr << " and ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
}
break;
}
return 1;
}
/******************************************************************************************
******************************** Dht Actions / Monitoring ********************************
******************************************************************************************/
/* tick stuff that isn't in its own thread */
int p3BitDht::tick()
{
doActions();
monitorConnections();
minuteTick();
#ifdef DEBUG_PEERNET_COMMON
time_t now = time(NULL);
std::cerr << "p3BitDht::tick() TIME: " << ctime(&now) << std::endl;
std::cerr.flush();
#endif
return 1;
}
#define MINUTE_IN_SECS 60
#define TEN_IN_SECS 10
int p3BitDht::minuteTick()
{
time_t now = time(NULL);
int deltaT = 0;
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
deltaT = now-mMinuteTS;
}
//if (deltaT > MINUTE_IN_SECS)
if (deltaT > TEN_IN_SECS)
{
mRelay->checkRelays();
updateDataRates();
/* temp - testing - print dht & relay traffic */
float dhtRead, dhtWrite;
float relayRead, relayWrite, relayRelayed;
getRelayRates(relayRead, relayWrite, relayRelayed);
getDhtRates(dhtRead, dhtWrite);
#ifdef DEBUG_PEERNET_COMMON
double denom = deltaT;
std::cerr << "p3BitDht::minuteTick() ";
std::cerr << "DhtRead: " << dhtRead / denom << " kB/s ";
std::cerr << "DhtWrite: " << dhtWrite / denom << " kB/s ";
std::cerr << std::endl;
std::cerr << "p3BitDht::minuteTick() ";
std::cerr << "RelayRead: " << relayRead / denom << " kB/s ";
std::cerr << "RelayWrite: " << relayWrite / denom << " kB/s ";
std::cerr << "RelayRelayed: " << relayRelayed / denom << " kB/s ";
std::cerr << std::endl;
#endif
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
mMinuteTS = now;
}
return 1;
}
int p3BitDht::doActions()
{
#ifdef DEBUG_PEERNET_COMMON
std::cerr << "p3BitDht::doActions()" << std::endl;
#endif
time_t now = time(NULL);
while(mActions.size() > 0)
{
PeerAction action;
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
if (mActions.size() < 1)
{
break;
}
action = mActions.front();
mActions.pop_front();
}
switch(action.mType)
{
case PEERNET_ACTION_TYPE_CONNECT:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << std::endl;
#endif
bool doConnectionRequest = false;
bool connectionReqFailed = false;
bool grabbedExclusivePort = false;
/* translate id into string for exclusive mode */
std::string pid;
bdStdPrintNodeId(pid, &(action.mDestId.id), false);
// Parameters that will be used for the Connect Request.
struct sockaddr_in connAddr; // We zero this address. (DHT Layer handles most cases)
sockaddr_clear(&connAddr);
uint32_t connStart = 1; /* > 0 indicates GO (number indicates required startup delay) */
uint32_t connDelay = 0;
uint32_t failReason = CSB_UPDATE_MODE_UNAVAILABLE;
if ((action.mMode == BITDHT_CONNECT_MODE_DIRECT) ||
(action.mMode == BITDHT_CONNECT_MODE_RELAY))
{
doConnectionRequest = true;
}
else if (action.mMode == BITDHT_CONNECT_MODE_PROXY)
{
struct sockaddr_in extaddr;
uint8_t extStable = 0;
sockaddr_clear(&extaddr);
bool proxyPort = true;
bool exclusivePort = false;
bool connectOk = false;
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Proxy... deciding which port to use.";
std::cerr << std::endl;
#endif
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(action.mDestId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
connectOk = true;
proxyPort = dpd->mConnectLogic.getProxyPortChoice();
if (proxyPort)
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Using ProxyPort. Checking ConnectLogic.NetState: ";
std::cerr << dpd->mConnectLogic.calcNetState(mNetMgr->getNetworkMode(),
mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode());
std::cerr << std::endl;
#endif
exclusivePort = (CSB_NETSTATE_EXCLUSIVENAT == dpd->mConnectLogic.calcNetState(
mNetMgr->getNetworkMode(), mNetMgr->getNatHoleMode(), mNetMgr->getNatTypeMode()));
if (exclusivePort)
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: NetState indicates Exclusive Mode";
std::cerr << std::endl;
#endif
}
}
}
else
{
std::cerr << "PeerAction: Connect Proxy: ERROR Cannot find PeerStatus";
std::cerr << std::endl;
}
}
UdpStunner *stunner = mProxyStunner;
if (!proxyPort)
{
stunner = mDhtStunner;
}
if ((connectOk) && (stunner) && (stunner->externalAddr(extaddr, extStable)))
{
if (extStable)
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Proxy Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " is OkGo as we have Stable Own External Proxy Address";
std::cerr << std::endl;
#endif
/* check if we require exclusive use of the proxy port */
if (exclusivePort)
{
int stun_age = mProxyStunner->grabExclusiveMode(pid);
if (stun_age > 0)
{
int delay = 0;
if (stun_age < MIN_DETERMINISTIC_SWITCH_PERIOD)
{
delay = MIN_DETERMINISTIC_SWITCH_PERIOD - stun_age;
}
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Stunner has indicated a Delay of " << delay;
std::cerr << " to ensure a stable Port!";
std::cerr << std::endl;
#endif
/* great we got it! */
connAddr = extaddr;
connDelay = delay;
doConnectionRequest = true;
grabbedExclusivePort = true;
}
else
{
/* failed to get exclusive mode - must wait */
connectionReqFailed = true;
failReason = CSB_UPDATE_RETRY_ATTEMPT;
}
}
else
{
/* stable and non-exclusive - go for it */
connAddr = extaddr;
connStart = 1;
doConnectionRequest = true;
}
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: WARNING Proxy Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " is Discarded, as Own External Proxy Address is Not Stable!";
std::cerr << std::endl;
#endif
connectionReqFailed = true;
if (exclusivePort)
{
failReason = CSB_UPDATE_RETRY_ATTEMPT;
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: As Exclusive Mode, Port Will stabilise => RETRY";
std::cerr << std::endl;
#endif
}
else
{
failReason = CSB_UPDATE_MODE_UNAVAILABLE;
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Not Exclusive Mode, => MODE UNAVAILABLE";
std::cerr << std::endl;
#endif
}
}
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: ERROR Proxy Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " is Discarded, as Failed to get Own External Proxy Address.";
std::cerr << std::endl;
#endif
connectionReqFailed = true;
failReason = CSB_UPDATE_RETRY_ATTEMPT;
}
}
if (doConnectionRequest)
{
if (mUdpBitDht->ConnectionRequest(&connAddr, &(action.mDestId.id), action.mMode, connDelay, connStart))
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " has gone ahead";
std::cerr << std::endl;
#endif
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(action.mDestId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
dpd->mPeerReqStatusMsg = "Connect Request";
dpd->mPeerReqState = RSDHT_PEERREQ_RUNNING;
dpd->mPeerReqMode = action.mMode;
dpd->mPeerReqTS = now;
if (grabbedExclusivePort)
{
dpd->mExclusiveProxyLock = true;
}
}
else
{
std::cerr << "PeerAction: Connect ERROR Cannot find PeerStatus";
std::cerr << std::endl;
}
}
else
{
connectionReqFailed = true;
failReason = CSB_UPDATE_MODE_UNAVAILABLE;
}
}
if (connectionReqFailed)
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction: Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " is Discarded, as Mode is Unavailable";
std::cerr << std::endl;
#endif
//if (grabbedExclusivePort)
//{
// mProxyStunner->releaseExclusiveMode(pid,false);
//}
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(action.mDestId.id), RSDHT_PEERTYPE_FRIEND);
if (dpd)
{
dpd->mConnectLogic.updateCb(failReason);
dpd->mPeerReqStatusMsg = "Req Mode Unavailable";
dpd->mPeerReqState = RSDHT_PEERREQ_STOPPED;
dpd->mPeerReqMode = action.mMode;
dpd->mPeerReqTS = now;
if (grabbedExclusivePort)
{
ReleaseProxyExclusiveMode_locked(dpd, false);
}
}
else
{
std::cerr << "PeerAction: ERROR Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " has no Internal Dht Peer!";
std::cerr << std::endl;
if (grabbedExclusivePort)
{
std::cerr << "PeerAction: ERROR ERROR, we grabd Exclusive Port to do this, trying emergency release";
std::cerr << std::endl;
mProxyStunner->releaseExclusiveMode(pid,false);
}
}
}
}
break;
case PEERNET_ACTION_TYPE_AUTHORISE:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. Authorise Connection between: ";
bdStdPrintId(std::cerr, &(action.mSrcId));
std::cerr << " and ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << " delay/bandwidth: " << action.mDelayOrBandwidth;
std::cerr << std::endl;
#endif
int delay = 0;
int bandwidth = 0;
if (action.mMode == BITDHT_CONNECT_MODE_RELAY)
{
bandwidth = action.mDelayOrBandwidth;
}
else
{
delay = action.mDelayOrBandwidth;
}
mUdpBitDht->ConnectionAuth(&(action.mSrcId), &(action.mProxyId), &(action.mDestId),
action.mMode, action.mPoint, bandwidth, delay, action.mAnswer);
// Only feedback to the gui if we are at END.
if (action.mPoint == BD_PROXY_CONNECTION_END_POINT)
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(action.mSrcId.id), RSDHT_PEERTYPE_ANY);
if (dpd)
{
if (action.mAnswer)
{
dpd->mPeerCbMsg = "WE DENIED AUTH: ERROR : ";
dpd->mPeerCbMsg += decodeConnectionError(action.mAnswer);
}
else
{
dpd->mPeerCbMsg = "We AUTHED";
}
dpd->mPeerCbMode = action.mMode;
dpd->mPeerCbPoint = action.mPoint;
dpd->mPeerCbProxyId = action.mProxyId;
dpd->mPeerCbDestId = action.mSrcId;
dpd->mPeerCbTS = now;
}
// Not an error if AUTH_DENIED - cos we don't know them! (so won't be in peerList).
else if (action.mAnswer | BITDHT_CONNECT_ERROR_AUTH_DENIED)
{
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction Authorise Connection ";
std::cerr << "Denied Unknown Peer";
std::cerr << std::endl;
#endif
}
else
{
std::cerr << "PeerAction Authorise Connection ";
std::cerr << "ERROR Unknown Peer & !DENIED ???";
std::cerr << std::endl;
}
}
}
break;
case PEERNET_ACTION_TYPE_START:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. Start Connection between: ";
bdStdPrintId(std::cerr, &(action.mSrcId));
std::cerr << " and ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << " delay/bandwidth: " << action.mDelayOrBandwidth;
std::cerr << std::endl;
#endif
initiateConnection(&(action.mSrcId), &(action.mProxyId), &(action.mDestId),
action.mMode, action.mPoint, action.mDelayOrBandwidth);
}
break;
case PEERNET_ACTION_TYPE_RESTARTREQ:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. Restart Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << std::endl;
#endif
struct sockaddr_in laddr;
sockaddr_clear(&laddr);
uint32_t start = 1;
uint32_t delay = 0;
mUdpBitDht->ConnectionRequest(&laddr, &(action.mDestId.id), action.mMode, delay, start);
}
break;
case PEERNET_ACTION_TYPE_KILLREQ:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. Kill Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << std::endl;
#endif
struct sockaddr_in laddr;
sockaddr_clear(&laddr);
uint32_t start = 0;
uint32_t delay = 0;
mUdpBitDht->ConnectionRequest(&laddr, &(action.mDestId.id), action.mMode, delay, start);
}
break;
case PEERNET_ACTION_TYPE_TCPATTEMPT:
{
/* connect attempt */
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. TCP Connection Attempt to: ";
bdStdPrintId(std::cerr, &(action.mDestId));
std::cerr << " mode: " << action.mMode;
std::cerr << std::endl;
#endif
RsPeerId peerRsId;
bool foundPeerId = false;
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(action.mDestId.id), RSDHT_PEERTYPE_ANY);
if (dpd)
{
peerRsId = dpd->mRsId;
foundPeerId = true;
#ifdef DEBUG_PEERNET
std::cerr << "PeerAction. TCP Connection Attempt. DoingCallback for RsID: ";
std::cerr << peerRsId;
std::cerr << std::endl;
#endif
}
else
{
std::cerr << "PeerAction. TCP Connection Attempt. ERROR unknown peer";
std::cerr << std::endl;
}
}
if (foundPeerId)
{
ConnectCalloutTCPAttempt(peerRsId, action.mDestId.addr);
}
}
break;
}
}
return 1;
}
/****************************** Connection Logic ***************************/
/* Proxies!.
*
* We can allow all PROXY connections, as it is just a couple of messages,
* however, we should be smart about how many RELAY connections are allowed.
*
* e.g. Allow 20 Relay connections.
* 15 for friends, 5 for randoms.
*
* Can also validate addresses with own secure connections.
*/
int p3BitDht::checkProxyAllowed(const bdId *srcId, const bdId *destId, int mode, uint32_t &bandwidth)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkProxyAllowed()";
std::cerr << std::endl;
#endif
// Dont think that a mutex is required here! But might be so just lock to ensure that it is possible.
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
}
if (mode == BITDHT_CONNECT_MODE_PROXY)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkProxyAllowed() Allowing all PROXY connections, OKAY";
std::cerr << std::endl;
#endif
bandwidth = 0; // unlimited as p2p.
return 1;
//return CONNECTION_OKAY;
}
if (mode != BITDHT_CONNECT_MODE_RELAY)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkProxyAllowed() unknown Connect Mode DENIED";
std::cerr << std::endl;
#endif
return 0;
}
/* will install the Relay Here... so that we reserve the Relay Space for later.
* decide on relay bandwidth limitation as well
*/
if (RelayHandler_InstallRelayConnection(srcId, destId, mode, bandwidth))
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkProxyAllowed() Successfully added Relay, Connection OKAY";
std::cerr << std::endl;
#endif
return 1;
// CONNECT_OKAY.
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkProxyAllowed() Failed to install Relay, Connection DENIED";
std::cerr << std::endl;
#endif
return 0;
//return CONNECT_MODE_OVERLOADED;
}
return 0;
//return CONNECT_MODE_NOTAVAILABLE;
//return CONNECT_MODE_OVERLOADED;
}
int p3BitDht::checkConnectionAllowed(const bdId *peerId, int mode)
{
(void) mode;
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkConnectionAllowed() to: ";
bdStdPrintId(std::cerr,peerId);
std::cerr << " mode: " << mode;
std::cerr << std::endl;
#endif
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
time_t now = time(NULL);
/* check if they are in our friend list */
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerId->id), RSDHT_PEERTYPE_FRIEND);
if (!dpd)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::checkConnectionAllowed() Peer Not Friend, DENIED";
std::cerr << std::endl;
#endif
/* store as failed connection attempt */
std::map<bdNodeId, DhtPeerDetails>::iterator it;
it = mFailedPeers.find(peerId->id);
if (it == mFailedPeers.end())
{
mFailedPeers[peerId->id] = DhtPeerDetails();
it = mFailedPeers.find(peerId->id);
}
/* flag as failed */
it->second.mDhtId = *peerId;
it->second.mDhtState = RSDHT_PEERDHT_NOT_ACTIVE;
it->second.mDhtUpdateTS = now;
it->second.mPeerType = RSDHT_PEERTYPE_OTHER;
it->second.mPeerCbMsg = "Denied Non-Friend";
it->second.mPeerReqStatusMsg = "Denied Non-Friend";
it->second.mPeerReqState = RSDHT_PEERREQ_STOPPED;
it->second.mPeerReqTS = now;
it->second.mPeerReqMode = 0;
//it->second.mPeerProxyId;
it->second.mPeerReqTS = now;
it->second.mPeerCbMsg = "Denied Non-Friend";
it->second.mPeerConnectMsg = "Denied Non-Friend";
it->second.mPeerConnectState = RSDHT_PEERCONN_DISCONNECTED;
return 0;
//return NOT_FRIEND;
}
/* are a friend */
if (dpd->mPeerConnectState == RSDHT_PEERCONN_CONNECTED)
{
std::cerr << "p3BitDht::checkConnectionAllowed() ERROR Peer Already Connected, DENIED";
std::cerr << std::endl;
// STATUS UPDATE DONE IN ACTION.
//it->second.mPeerStatusMsg = "2nd Connection Attempt!";
//it->second.mPeerUpdateTS = now;
return 0;
//return ALREADY_CONNECTED;
}
return 1;
//return CONNECTION_OKAY;
}
/* So initiateConnection has to call out to other bits of RS.
* critical information is:
* Peer RsId, Peer Address, Connect Mode (includes Proxy/OrNot).
*
* What do we need: ACTIVE / PASSIVE / UNSPEC
* + Min Delay Time,
*/
void p3BitDht::ConnectCalloutTCPAttempt(const RsPeerId &peerId, struct sockaddr_in raddrv4)
{
struct sockaddr_storage raddr;
struct sockaddr_storage proxyaddr;
struct sockaddr_storage srcaddr;
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(srcaddr);
struct sockaddr_in *rap = (struct sockaddr_in *) &raddr;
struct sockaddr_in *pap = (struct sockaddr_in *) &proxyaddr;
struct sockaddr_in *sap = (struct sockaddr_in *) &srcaddr;
// only one to translate
rap->sin_family = AF_INET;
rap->sin_addr = raddrv4.sin_addr;
rap->sin_port = raddrv4.sin_port;
uint32_t source = RS_CB_DHT;
uint32_t connectFlags = RS_CB_FLAG_ORDER_UNSPEC | RS_CB_FLAG_MODE_TCP;
uint32_t delay = 0;
uint32_t bandwidth = 0;
mConnCb->peerConnectRequest(peerId, raddr, proxyaddr, srcaddr, source, connectFlags, delay, bandwidth);
}
void p3BitDht::ConnectCalloutDirectOrProxy(const RsPeerId &peerId, struct sockaddr_in raddrv4, uint32_t connectFlags, uint32_t delay)
{
struct sockaddr_storage raddr;
struct sockaddr_storage proxyaddr;
struct sockaddr_storage srcaddr;
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(srcaddr);
struct sockaddr_in *rap = (struct sockaddr_in *) &raddr;
struct sockaddr_in *pap = (struct sockaddr_in *) &proxyaddr;
struct sockaddr_in *sap = (struct sockaddr_in *) &srcaddr;
// only one to translate
rap->sin_family = AF_INET;
rap->sin_addr = raddrv4.sin_addr;
rap->sin_port = raddrv4.sin_port;
uint32_t source = RS_CB_DHT;
uint32_t bandwidth = 0;
mConnCb->peerConnectRequest(peerId, raddr, proxyaddr, srcaddr, source, connectFlags, delay, bandwidth);
}
void p3BitDht::ConnectCalloutRelay(const RsPeerId &peerId,
struct sockaddr_in srcaddrv4, struct sockaddr_in proxyaddrv4, struct sockaddr_in destaddrv4,
uint32_t connectFlags, uint32_t bandwidth)
{
struct sockaddr_storage destaddr;
struct sockaddr_storage proxyaddr;
struct sockaddr_storage srcaddr;
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(proxyaddr);
sockaddr_storage_clear(srcaddr);
struct sockaddr_in *dap = (struct sockaddr_in *) &destaddr;
struct sockaddr_in *pap = (struct sockaddr_in *) &proxyaddr;
struct sockaddr_in *sap = (struct sockaddr_in *) &srcaddr;
dap->sin_family = AF_INET;
dap->sin_addr = destaddrv4.sin_addr;
dap->sin_port = destaddrv4.sin_port;
pap->sin_family = AF_INET;
pap->sin_addr = proxyaddrv4.sin_addr;
pap->sin_port = proxyaddrv4.sin_port;
sap->sin_family = AF_INET;
sap->sin_addr = srcaddrv4.sin_addr;
sap->sin_port = srcaddrv4.sin_port;
uint32_t source = RS_CB_DHT;
uint32_t delay = 0;
mConnCb->peerConnectRequest(peerId, destaddr, proxyaddr, srcaddr, source, connectFlags, delay, bandwidth);
}
//virtual void peerConnectRequest(std::string id, struct sockaddr_in raddr,
// struct sockaddr_in proxyaddr, struct sockaddr_in srcaddr,
// uint32_t source, uint32_t flags, uint32_t delay, uint32_t bandwidth) = 0;
void p3BitDht::initiateConnection(const bdId *srcId, const bdId *proxyId, const bdId *destId,
uint32_t mode, uint32_t loc, uint32_t delayOrBandwidth)
{
#ifdef DEBUG_PEERNET
#endif
std::cerr << "p3BitDht::initiateConnection()";
std::cerr << std::endl;
std::cerr << "\t srcId: ";
bdStdPrintId(std::cerr, srcId);
std::cerr << std::endl;
std::cerr << "\t proxyId: ";
bdStdPrintId(std::cerr, proxyId);
std::cerr << std::endl;
std::cerr << "\t destId: ";
bdStdPrintId(std::cerr, destId);
std::cerr << std::endl;
std::cerr << "\t Mode: " << mode << " loc: " << loc;
std::cerr << std::endl;
std::cerr << "\t DelayOrBandwidth: " << delayOrBandwidth;
std::cerr << std::endl;
bdId peerConnectId;
uint32_t connectFlags = 0;
uint32_t delay = 0;
uint32_t bandwidth = 0;
/* determine who the actual destination is.
* as we always specify the remote address, this is all we need.
*/
if (loc == BD_PROXY_CONNECTION_START_POINT)
{
peerConnectId = *destId;
/* lowest is active */
if (srcId < destId)
{
connectFlags |= RS_CB_FLAG_ORDER_ACTIVE;
}
else
{
connectFlags |= RS_CB_FLAG_ORDER_PASSIVE;
}
}
else if (loc == BD_PROXY_CONNECTION_END_POINT)
{
peerConnectId = *srcId;
/* lowest is active (we are now dest - in this case) */
if (destId < srcId)
{
connectFlags |= RS_CB_FLAG_ORDER_ACTIVE;
}
else
{
connectFlags |= RS_CB_FLAG_ORDER_PASSIVE;
}
}
else
{
std::cerr << "p3BitDht::initiateConnection() ERROR, NOT either START or END";
std::cerr << std::endl;
/* ERROR */
return;
}
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::initiateConnection() Connecting to ";
bdStdPrintId(std::cerr, &peerConnectId);
std::cerr << std::endl;
#endif
// uint32_t touConnectMode = 0;
RsPeerId rsId;
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalDhtPeer_locked(&(peerConnectId.id), RSDHT_PEERTYPE_FRIEND);
/* grab a socket */
if (!dpd)
{
std::cerr << "p3BitDht::initiateConnection() ERROR Peer not found";
std::cerr << std::endl;
return;
}
if (dpd->mPeerConnectState != RSDHT_PEERCONN_DISCONNECTED)
{
std::cerr << "p3BitDht::initiateConnection() ERROR Peer is not Disconnected";
std::cerr << std::endl;
return;
}
rsId = dpd->mRsId;
/* start the connection */
/* These Socket Modes must match the TOU Stack - or it breaks. */
switch(mode)
{
default:
case BITDHT_CONNECT_MODE_DIRECT:
// touConnectMode = RSDHT_TOU_MODE_DIRECT;
connectFlags |= RS_CB_FLAG_MODE_UDP_DIRECT;
delay = delayOrBandwidth;
break;
case BITDHT_CONNECT_MODE_PROXY:
{
bool useProxyPort = dpd->mConnectLogic.getProxyPortChoice();
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::initiateConnection() Peer Mode Proxy... deciding which port to use.";
std::cerr << " UseProxyPort? " << useProxyPort;
std::cerr << std::endl;
#endif
delay = delayOrBandwidth;
if (useProxyPort)
{
// touConnectMode = RSDHT_TOU_MODE_PROXY;
connectFlags |= RS_CB_FLAG_MODE_UDP_PROXY;
}
else
{
// touConnectMode = RSDHT_TOU_MODE_DIRECT;
connectFlags |= RS_CB_FLAG_MODE_UDP_DIRECT;
}
}
break;
case BITDHT_CONNECT_MODE_RELAY:
// touConnectMode = RSDHT_TOU_MODE_RELAY;
connectFlags |= RS_CB_FLAG_MODE_UDP_RELAY;
bandwidth = delayOrBandwidth;
break;
}
dpd->mPeerConnectProxyId = *proxyId;
dpd->mPeerConnectPeerId = peerConnectId;
/* store results in Status */
dpd->mPeerConnectMsg = "UDP started";
dpd->mPeerConnectState = RSDHT_PEERCONN_UDP_STARTED;
dpd->mPeerConnectUdpTS = time(NULL);
dpd->mPeerConnectMode = mode;
dpd->mPeerConnectPoint = loc;
}
/* finally we call out to start the connection (Outside of Mutex) */
if ((mode == BITDHT_CONNECT_MODE_DIRECT) || (mode == BITDHT_CONNECT_MODE_PROXY))
{
ConnectCalloutDirectOrProxy(rsId, peerConnectId.addr, connectFlags, delay);
}
else if (mode == BITDHT_CONNECT_MODE_RELAY)
{
if (loc == BD_PROXY_CONNECTION_START_POINT)
{
ConnectCalloutRelay(rsId, srcId->addr, proxyId->addr, destId->addr, connectFlags, bandwidth);
}
else // END_POINT
{
/* reverse order connection call */
ConnectCalloutRelay(rsId, destId->addr, proxyId->addr, srcId->addr, connectFlags, bandwidth);
}
}
}
int p3BitDht::installRelayConnection(const bdId *srcId, const bdId *destId, uint32_t &bandwidth)
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
/* work out if either srcId or DestId is a friend */
int relayClass = UDP_RELAY_CLASS_GENERAL;
#ifdef DEBUG_PEERNET
RsPeerId strId1;
bdStdPrintNodeId(strId1, &(srcId->id), false);
RsPeerId strId2;
bdStdPrintNodeId(strId2, &(destId->id), false);
#endif
/* grab a socket */
DhtPeerDetails *dpd_src = findInternalDhtPeer_locked(&(srcId->id), RSDHT_PEERTYPE_ANY);
DhtPeerDetails *dpd_dest = findInternalDhtPeer_locked(&(destId->id), RSDHT_PEERTYPE_ANY);
if ((dpd_src) && (dpd_src->mPeerType == RSDHT_PEERTYPE_FRIEND))
{
relayClass = UDP_RELAY_CLASS_FRIENDS;
}
else if ((dpd_dest) && (dpd_dest->mPeerType == RSDHT_PEERTYPE_FRIEND))
{
relayClass = UDP_RELAY_CLASS_FRIENDS;
}
else if ((dpd_src) && (dpd_src->mPeerType == RSDHT_PEERTYPE_FOF))
{
relayClass = UDP_RELAY_CLASS_FOF;
}
else if ((dpd_dest) && (dpd_dest->mPeerType == RSDHT_PEERTYPE_FOF))
{
relayClass = UDP_RELAY_CLASS_FOF;
}
else
{
relayClass = UDP_RELAY_CLASS_GENERAL;
}
/* will install the Relay Here... so that we reserve the Relay Space for later. */
UdpRelayAddrSet relayAddrs(&(srcId->addr), &(destId->addr));
if (mRelay->addUdpRelay(&relayAddrs, relayClass, bandwidth))
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::installRelayConnection() Successfully added Relay, Connection OKAY";
std::cerr << std::endl;
#endif
return 1;
// CONNECT_OKAY.
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::installRelayConnection() Failed to install Relay, Connection DENIED";
std::cerr << std::endl;
#endif
return 0;
//return CONNECT_MODE_OVERLOADED;
}
return 0;
}
int p3BitDht::removeRelayConnection(const bdId *srcId, const bdId *destId)
{
//RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
UdpRelayAddrSet relayAddrs(&(srcId->addr), &(destId->addr));
if (mRelay->removeUdpRelay(&relayAddrs))
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::removeRelayConnection() Successfully removed Relay";
std::cerr << std::endl;
#endif
return 1;
}
else
{
std::cerr << "p3BitDht::removeRelayConnection() ERROR Failed to remove Relay";
std::cerr << std::endl;
return 0;
}
}
/***************************************************** UDP Connections *****************************/
void p3BitDht::monitorConnections()
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
time_t now = time(NULL);
std::map<bdNodeId, DhtPeerDetails>::iterator it;
for(it = mPeers.begin(); it != mPeers.end(); it++)
{
/* ignore ones which aren't friends */
if (it->second.mPeerType != RSDHT_PEERTYPE_FRIEND)
{
continue;
}
if (it->second.mPeerConnectState == RSDHT_PEERCONN_UDP_STARTED)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::monitorConnections() Connection in progress to: ";
bdStdPrintNodeId(std::cerr, &(it->second.mDhtId.id));
std::cerr << std::endl;
#endif
if (now - it->second.mPeerConnectUdpTS > PEERNET_CONNECT_TIMEOUT)
{
/* This CAN happen ;( */
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::monitorConnections() WARNING InProgress Connection Failed: ";
bdStdPrintNodeId(std::cerr, &(it->second.mDhtId.id));
std::cerr << std::endl;
#endif
UdpConnectionFailed_locked(&(it->second));
}
}
}
}
void p3BitDht::Feedback_Connected(const RsPeerId& pid)
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalRsPeer_locked(pid);
if (!dpd)
{
/* ERROR */
std::cerr << "p3BitDht::Feedback_Connected() ERROR peer not found: " << pid;
std::cerr << std::endl;
return;
}
/* sanity checking */
if (dpd->mPeerConnectState != RSDHT_PEERCONN_UDP_STARTED)
{
/* ERROR */
std::cerr << "p3BitDht::Feedback_Connected() ERROR not in UDP_STARTED mode for: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
return;
}
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::monitorConnections() InProgress Connection Now Active: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
#endif
/* switch state! */
dpd->mPeerConnectState = RSDHT_PEERCONN_CONNECTED;
dpd->mPeerConnectTS = time(NULL);
dpd->mConnectLogic.updateCb(CSB_UPDATE_CONNECTED);
rs_sprintf(dpd->mPeerConnectMsg, "Connected in %ld secs", dpd->mPeerConnectTS - dpd->mPeerConnectUdpTS);
// Remove the Connection Request.
if (dpd->mPeerReqState == RSDHT_PEERREQ_RUNNING)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::monitorConnections() Request Active, Stopping Request";
std::cerr << std::endl;
#endif
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_KILLREQ;
ca.mMode = dpd->mPeerConnectMode;
//ca.mProxyId = *proxyId;
//ca.mSrcId = *srcId;
ca.mDestId = dpd->mPeerConnectPeerId;
//ca.mPoint = point;
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
// What the Action should do...
//struct sockaddr_in tmpaddr;
//bdsockaddr_clear(&tmpaddr);
//int start = 0;
//mUdpBitDht->ConnectionRequest(&tmpaddr, &(it->second.mPeerConnectPeerId.id), it->second.mPeerConnectMode, start);
}
// only an error if we initiated the connection.
else if (dpd->mPeerConnectPoint == BD_PROXY_CONNECTION_START_POINT)
{
std::cerr << "p3BitDht::monitorConnections() ERROR Request not active, can't stop";
std::cerr << std::endl;
}
ReleaseProxyExclusiveMode_locked(dpd, true);
}
void p3BitDht::Feedback_ConnectionFailed(const RsPeerId& pid)
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalRsPeer_locked(pid);
if (!dpd)
{
/* ERROR */
std::cerr << "p3BitDht::Feedback_Connected() ERROR peer not found: " << pid;
std::cerr << std::endl;
return;
}
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::Feedback_ConnectionFailed() UDP Connection Failed: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
#endif
return UdpConnectionFailed_locked(dpd);
}
void p3BitDht::Feedback_ConnectionClosed(const RsPeerId& pid)
{
RsStackMutex stack(dhtMtx); /********** LOCKED MUTEX ***************/
DhtPeerDetails *dpd = findInternalRsPeer_locked(pid);
if (!dpd)
{
/* ERROR */
std::cerr << "p3BitDht::Feedback_Connected() ERROR peer not found: " << pid;
std::cerr << std::endl;
return;
}
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::Feedback_ConnectionClosed() Active Connection Closed: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
#endif
return UdpConnectionFailed_locked(dpd);
}
void p3BitDht::UdpConnectionFailed_locked(DhtPeerDetails *dpd)
{
if (dpd->mPeerConnectState == RSDHT_PEERCONN_UDP_STARTED)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::UdpConnectionFailed_locked() UDP Connection Failed: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
#endif
/* shut it down */
/* ONLY need to update ConnectLogic - if it was our Attempt Running */
if (dpd->mPeerReqState == RSDHT_PEERREQ_RUNNING)
{
dpd->mConnectLogic.updateCb(CSB_UPDATE_FAILED_ATTEMPT);
}
dpd->mPeerConnectState = RSDHT_PEERCONN_DISCONNECTED;
dpd->mPeerConnectMsg = "UDP Failed";
}
else
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::UdpConnectionFailed_locked() Active Connection Closed: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
#endif
dpd->mConnectLogic.updateCb(CSB_UPDATE_DISCONNECTED);
dpd->mPeerConnectState = RSDHT_PEERCONN_DISCONNECTED;
dpd->mPeerConnectClosedTS = time(NULL);
rs_sprintf(dpd->mPeerConnectMsg, "Closed, Alive for: %ld secs", dpd->mPeerConnectClosedTS - dpd->mPeerConnectTS);
}
if (dpd->mPeerReqState == RSDHT_PEERREQ_RUNNING)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::UdpConnectionFailed_locked() ";
std::cerr << "Request Active (Paused)... Killing for next Attempt";
std::cerr << std::endl;
#endif
/* Push Back PeerAction */
PeerAction ca;
ca.mType = PEERNET_ACTION_TYPE_KILLREQ;
ca.mMode = dpd->mPeerConnectMode;
//ca.mProxyId = *proxyId;
//ca.mSrcId = *srcId;
ca.mDestId = dpd->mPeerConnectPeerId;
//ca.mPoint = point;
ca.mAnswer = BITDHT_CONNECT_ERROR_NONE;
mActions.push_back(ca);
}
// only an error if we initiated the connection.
else if (dpd->mPeerConnectPoint == BD_PROXY_CONNECTION_START_POINT)
{
std::cerr << "p3BitDht::UdpConnectionFailed_locked() ";
std::cerr << "ERROR Request not active, can't stop";
std::cerr << std::endl;
}
ReleaseProxyExclusiveMode_locked(dpd, true);
}
void p3BitDht::ReleaseProxyExclusiveMode_locked(DhtPeerDetails *dpd, bool addrChgLikely)
{
#ifdef DEBUG_BITDHT_COMMON
#endif
std::cerr << "p3BitDht::ReleaseProxyExclusiveMode_locked()";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
/* translate id into string for exclusive mode */
std::string pid;
bdStdPrintNodeId(pid, &(dpd->mDhtId.id), false);
if (dpd->mExclusiveProxyLock)
{
if (mProxyStunner->releaseExclusiveMode(pid, addrChgLikely))
{
dpd->mExclusiveProxyLock = false;
#ifdef DEBUG_PEERNET
#endif
std::cerr << "p3BitDht::ReleaseProxyExclusiveMode_locked() Lock released by Connection to peer: ";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
}
else
{
dpd->mExclusiveProxyLock = false;
std::cerr << "p3BitDht::ReleaseProxyExclusiveMode_locked() ERROR ProxyStunner is not Locked";
bdStdPrintNodeId(std::cerr, &(dpd->mDhtId.id));
std::cerr << std::endl;
}
}
else
{
#ifdef DEBUG_BITDHT_COMMON
#endif
std::cerr << "p3BitDht::ReleaseProxyExclusiveMode_locked() Don't Have a Lock";
std::cerr << std::endl;
}
}
void p3BitDht::ConnectionFeedback(const RsPeerId& pid, int mode)
{
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::ConnectionFeedback() peer: " << pid;
std::cerr << " mode: " << mode;
std::cerr << std::endl;
#endif
switch(mode)
{
case NETMGR_DHT_FEEDBACK_CONNECTED:
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::ConnectionFeedback() HAVE CONNECTED (tcp?/udp) to peer: " << pid;
std::cerr << std::endl;
#endif
Feedback_Connected(pid);
break;
case NETMGR_DHT_FEEDBACK_CONN_FAILED:
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::ConnectionFeedback() UDP CONNECTION FAILED to peer: " << pid;
std::cerr << std::endl;
#endif
Feedback_ConnectionFailed(pid);
break;
case NETMGR_DHT_FEEDBACK_CONN_CLOSED:
#ifdef DEBUG_PEERNET
std::cerr << "p3BitDht::ConnectionFeedback() CONNECTION (tcp?/udp) CLOSED to peer: " << pid;
std::cerr << std::endl;
#endif
Feedback_ConnectionClosed(pid);
break;
}
}
/***** Check for a RelayHandler... and call its functions preferentially */
int p3BitDht::RelayHandler_LogFailedProxyAttempt(const bdId *srcId, const bdId *destId, uint32_t mode, uint32_t errcode)
{
{
RsStackMutex stack(dhtMtx); /********* LOCKED *********/
if ((mRelayHandler) && (mRelayHandler->mLogFailedConnection))
{
return mRelayHandler->mLogFailedConnection(srcId, destId, mode, errcode);
}
}
/* NO standard handler */
return 0;
}
int p3BitDht::RelayHandler_InstallRelayConnection(const bdId *srcId, const bdId *destId,
uint32_t mode, uint32_t &bandwidth)
{
{
RsStackMutex stack(dhtMtx); /********* LOCKED *********/
if ((mRelayHandler) && (mRelayHandler->mInstallRelay))
{
return mRelayHandler->mInstallRelay(srcId, destId, mode, bandwidth);
}
}
/* standard handler */
return installRelayConnection(srcId, destId, bandwidth);
}