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added display of TR forwarding probability as a function of depth

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4625 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2011-10-01 11:46:00 +00:00
parent b3bcfe9d30
commit c650265704
3 changed files with 34 additions and 11 deletions
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2
libretroshare/src/retroshare/rsturtle.h
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@ -68,6 +68,8 @@ class TurtleTrafficStatisticsInfo
float tr_dn_Bps ; // tunnel requests dnload bitrate (in Bytes per sec.)
float total_up_Bps ; // turtle network management bitrate (in Bytes per sec.)
float total_dn_Bps ; // turtle network management bitrate (in Bytes per sec.)
std::vector<float> forward_probabilities ; // probability to forward a TR as a function of depth.
};
// Interface class for turtle hopping.

34
libretroshare/src/turtle/p3turtle.cc
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@ -85,6 +85,11 @@ static const time_t TUNNEL_CLEANING_LAPS_TIME = 10 ; /// clean tunnels every
static const uint32_t MAX_TUNNEL_REQS_PER_SECOND= 1 ; /// maximum number of tunnel requests issued per second. Was 0.5 before
static const uint32_t MAX_ALLOWED_SR_IN_CACHE = 120 ; /// maximum number of search requests allowed in cache. That makes 2 per sec.
static const float depth_peer_probability[7] = { 1.0f,0.99f,0.9f,0.7f,0.4f,0.15f,0.1f } ;
static const int TUNNEL_REQUEST_PACKET_SIZE = 50 ;
static const int MAX_TR_FORWARD_PER_SEC = 20 ;
static const int DISTANCE_SQUEEZING_POWER = 8 ;
p3turtle::p3turtle(p3LinkMgr *lm,ftServer *fs)
:p3Service(RS_SERVICE_TYPE_TURTLE), p3Config(CONFIG_TYPE_TURTLE), mLinkMgr(lm), mTurtleMtx("p3turtle")
{
@ -1562,10 +1567,6 @@ void p3turtle::handleTunnelRequest(RsTurtleOpenTunnelItem *item)
//
// When the number of peers increases, the speed limit is reached faster, but the behavior per peer is the same.
//
static const float depth_peer_probability[7] = { 1.0f,0.99f,0.9f,0.7f,0.4f,0.15f,0.1f } ;
static const int TUNNEL_REQUEST_PACKET_SIZE = 50 ;
static const int MAX_TR_FORWARD_PER_SEC = 20 ;
static const int DISTANCE_SQUEEZING_POWER = 8 ;
float forward_probability ;
@ -1579,13 +1580,13 @@ void p3turtle::handleTunnelRequest(RsTurtleOpenTunnelItem *item)
#ifdef P3TURTLE_DEBUG
std::cerr << "Forwarding probability: depth=" << item->depth << ", distance to max speed=" << distance_to_maximum << ", corrected=" << corrected_distance << ", prob.=" << forward_probability << std::endl;
#endif
if(forward_probability < 0.1)
{
#ifdef P3TURTLE_DEBUG
std::cerr << "Dropped packet!" << std::endl;
#endif
return ;
}
// if(forward_probability < 0.1)
// {
//#ifdef P3TURTLE_DEBUG
// std::cerr << "Dropped packet!" << std::endl;
//#endif
// return ;
// }
}
// If the item contains an already handled tunnel request, give up. This
@ -2122,6 +2123,17 @@ void p3turtle::getTrafficStatistics(TurtleTrafficStatisticsInfo& info) const
{
RsStackMutex stack(mTurtleMtx); /********** STACK LOCKED MTX ******/
info = _traffic_info ;
float distance_to_maximum = std::min(100.0f,info.tr_up_Bps/(float)(TUNNEL_REQUEST_PACKET_SIZE*MAX_TR_FORWARD_PER_SEC)) ;
info.forward_probabilities.clear() ;
for(int i=0;i<=6;++i)
{
float corrected_distance = pow(distance_to_maximum,DISTANCE_SQUEEZING_POWER) ;
float forward_probability = pow(depth_peer_probability[i],corrected_distance) ;
info.forward_probabilities.push_back(forward_probability) ;
}
}
void p3turtle::getInfo( std::vector<std::vector<std::string> >& hashes_info,

9
retroshare-gui/src/gui/TurtleRouterStatistics.cpp
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@ -313,6 +313,15 @@ void TurtleRouterStatisticsWidget::updateTunnelStatistics(const std::vector<std:
painter.drawText(ox+2*cellx,oy+celly,tr("Outgoing file data")+"\t: " + speedString(info.data_up_Bps) ) ; oy += celly ;
painter.drawText(ox+2*cellx,oy+celly,tr("Forwarded data ")+"\t: " + speedString(info.unknown_updn_Bps) ) ; oy += celly ;
QString prob_string ;
for(uint i=0;i<info.forward_probabilities.size();++i)
prob_string += QString::number(info.forward_probabilities[i],'g',2) + " (" + QString::number(i) + ") " ;
painter.drawText(ox+2*cellx,oy+celly,tr("TR Forward probabilities")+"\t: " + prob_string ) ;
oy += celly ;
oy += celly ;
// update the pixmap
//
pixmap = tmppixmap;