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* Increase UDP buffer size, as this might fix connection issue?

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* Added peerId to udpstunner->exclusiveMode for debugging purposes.
 * added timeout for exclusive mode, this can happen if connection is lost at lower levels.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4489 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2011-07-27 13:55:19 +00:00
parent b3052e0208
commit 461378a3de
3 changed files with 47 additions and 12 deletions
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2
libretroshare/src/tcponudp/tcpstream.cc
View File

@ -63,7 +63,7 @@ int checkData(uint8 *data, int size, int idx);
int setupBinaryCheck(std::string fname);
#endif
static const uint32 kMaxQueueSize = 100;
static const uint32 kMaxQueueSize = 300; // Was 100, which means max packet size of 100k (smaller than max packet size).
static const uint32 kMaxPktRetransmit = 20;
static const uint32 kMaxSynPktRetransmit = 100; // 100 => 200secs = over 3 minutes startup
static const int TCP_STD_TTL = 64;

52
libretroshare/src/tcponudp/udpstunner.cc
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@ -49,6 +49,7 @@ const int32_t TOU_STUN_MAX_RECV_RATE = 25; /* every 25 seconds */
const int32_t TOU_STUN_DEFAULT_TARGET_RATE = 15; /* 20 secs is minimum to keep a NAT UDP port open */
const double TOU_SUCCESS_LPF_FACTOR = 0.90;
#define EXCLUSIVE_MODE_TIMEOUT 300
UdpStunner::UdpStunner(UdpPublisher *pub)
:UdpSubReceiver(pub), stunMtx("UdpSubReceiver"), eaddrKnown(false), eaddrStable(false),
@ -108,26 +109,48 @@ void UdpStunner::SimSymmetricNat()
#endif
int UdpStunner::grabExclusiveMode() /* returns seconds since last send/recv */
int UdpStunner::grabExclusiveMode(std::string holder) /* returns seconds since last send/recv */
{
RsStackMutex stack(stunMtx); /********** LOCK MUTEX *********/
time_t now = time(NULL);
#ifdef DEBUG_UDP_STUNNER_FILTER
std::cerr << "UdpStunner::setExclusiveMode();
std::cerr << "UdpStunner::grabExclusiveMode();"
std::cerr << std::endl;
#endif
if (mExclusiveMode)
{
#ifdef DEBUG_UDP_STUNNER_FILTER
std::cerr << "UdpStunner::setExclusiveMode() FAILED;
std::cerr << "UdpStunner::grabExclusiveMode() FAILED";
std::cerr << std::endl;
#endif
std::cerr << "UdpStunner::grabExclusiveMode() FAILED, already held by: " << mExclusiveHolder;
std::cerr << std::endl;
std::cerr << "UdpStunner::grabExclusiveMode() Was Grabbed: " << now - mExclusiveModeTS;
std::cerr << " secs ago";
std::cerr << std::endl;
/* This can happen if AUTH, but START never received! (occasionally).
*/
if (now - mExclusiveModeTS > EXCLUSIVE_MODE_TIMEOUT)
{
mExclusiveMode = false;
mForceRestun = true;
std::cerr << "UdpStunner::grabExclusiveMode() Held for too Long... TIMEOUT & Stun Forced";
std::cerr << std::endl;
}
return 0;
}
time_t now = time(NULL);
mExclusiveMode = true;
mExclusiveModeTS = now;
mExclusiveHolder = holder;
int lastcomms = mStunLastRecvAny;
if (mStunLastSendAny > lastcomms)
@ -143,24 +166,26 @@ int UdpStunner::grabExclusiveMode() /* returns seconds since last send/recv */
commsage = 1;
}
#ifdef DEBUG_UDP_STUNNER_FILTER
std::cerr << "UdpStunner::setExclusiveMode() SUCCESS. last comms: " << commsage;
#endif
std::cerr << "UdpStunner::grabExclusiveMode() SUCCESS. last comms: " << commsage;
std::cerr << " ago";
std::cerr << std::endl;
#endif
std::cerr << "UdpStunner::grabExclusiveMode() Exclusive held by: " << mExclusiveHolder;
std::cerr << std::endl;
return commsage;
}
int UdpStunner::releaseExclusiveMode(bool forceStun)
int UdpStunner::releaseExclusiveMode(std::string holder, bool forceStun)
{
RsStackMutex stack(stunMtx); /********** LOCK MUTEX *********/
if (!mExclusiveMode)
{
#ifdef DEBUG_UDP_STUNNER_FILTER
#endif
std::cerr << "UdpStunner::cancelExclusiveMode() ERROR, not in exclusive Mode";
std::cerr << std::endl;
#endif
return 0;
}
@ -183,12 +208,21 @@ int UdpStunner::releaseExclusiveMode(bool forceStun)
}
#endif
if (mExclusiveHolder != holder)
{
std::cerr << "UdpStunner::cancelExclusiveMode() ERROR release MisMatch: ";
std::cerr << " Original Grabber: ";
std::cerr << mExclusiveHolder;
std::cerr << " Releaser: ";
std::cerr << holder;
std::cerr << std::endl;
}
#ifdef DEBUG_UDP_STUNNER_FILTER
#endif
std::cerr << "UdpStunner::cancelExclusiveMode() Canceled. Was in ExclusiveMode for: " << now - mExclusiveModeTS;
std::cerr << " secs";
std::cerr << std::endl;
#endif
return 1;
}

5
libretroshare/src/tcponudp/udpstunner.h
View File

@ -88,8 +88,8 @@ virtual ~UdpStunner() { return; }
void SimSymmetricNat();
#endif
int grabExclusiveMode(); /* returns seconds since last send/recv */
int releaseExclusiveMode(bool forceStun);
int grabExclusiveMode(std::string holder); /* returns seconds since last send/recv */
int releaseExclusiveMode(std::string holder, bool forceStun);
void setTargetStunPeriod(int32_t sec_per_stun);
@ -156,6 +156,7 @@ bool locked_checkExternalAddress();
bool mExclusiveMode; /* when this is switched on, the stunner stays silent (and extAddr is maintained) */
time_t mExclusiveModeTS;
std::string mExclusiveHolder;
bool mForceRestun;
};