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Fixed Dsdv debugging and cleanup of old entries.

Browse Source 
Added PRIORITIES for BanListItems and DsdvItems.
Increased Dsdv Max Distance to 5...

Its almost ready for network-wide test!



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-dhtmods@4698 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2011-11-29 17:14:51 +00:00
parent 5268391f2e
commit 02b03d1a0f
5 changed files with 153 additions and 29 deletions
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9
libretroshare/src/serialiser/itempriorities.h
View File

@ -73,3 +73,12 @@ const uint8_t QOS_PRIORITY_RS_STATUS_ITEM = 2 ;
//
const uint8_t QOS_PRIORITY_RS_VOIP_PING = 9 ;
// BanList
//
const uint8_t QOS_PRIORITY_RS_BANLIST_ITEM = 2 ;
// Dsdv Routing
//
const uint8_t QOS_PRIORITY_RS_DSDV_ROUTE = 4 ;
const uint8_t QOS_PRIORITY_RS_DSDV_DATA = 2 ;

6
libretroshare/src/serialiser/rsbanlistitems.h
View File

@ -43,7 +43,11 @@ class RsBanListItem: public RsItem
RsBanListItem()
:RsItem(RS_PKT_VERSION_SERVICE, RS_SERVICE_TYPE_BANLIST,
RS_PKT_SUBTYPE_BANLIST_ITEM)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_BANLIST_ITEM);
return;
}
virtual ~RsBanListItem();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);

11
libretroshare/src/serialiser/rsdsdvitems.h
View File

@ -45,7 +45,10 @@ class RsDsdvRouteItem: public RsItem
RsDsdvRouteItem()
:RsItem(RS_PKT_VERSION_SERVICE, RS_SERVICE_TYPE_DSDV,
RS_PKT_SUBTYPE_DSDV_ROUTE)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DSDV_ROUTE);
return;
}
virtual ~RsDsdvRouteItem();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);
@ -53,14 +56,16 @@ std::ostream &print(std::ostream &out, uint16_t indent = 0);
RsTlvDsdvEntrySet routes;
};
class RsDsdvDataItem: public RsItem
{
public:
RsDsdvDataItem()
:RsItem(RS_PKT_VERSION_SERVICE, RS_SERVICE_TYPE_DSDV,
RS_PKT_SUBTYPE_DSDV_DATA), data(TLV_TYPE_BIN_GENERIC)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DSDV_DATA);
return;
}
virtual ~RsDsdvDataItem();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);

150
libretroshare/src/services/p3dsdv.cc
View File

@ -108,6 +108,7 @@ int p3Dsdv::sendTables()
std::cerr << std::endl;
#endif
selectStableRoutes();
clearOldRoutes();
generateRoutingTables(false);
@ -140,6 +141,8 @@ void p3Dsdv::advanceLocalSequenceNumbers()
{
RsStackMutex stack(mDsdvMtx); /****** LOCKED MUTEX *******/
time_t now = time(NULL);
std::map<std::string, RsDsdvTableEntry>::iterator it;
for(it = mTable.begin(); it != mTable.end(); it++)
{
@ -147,6 +150,7 @@ void p3Dsdv::advanceLocalSequenceNumbers()
if (v.mOwnSource)
{
v.mStableRoute.mSequence += RSDSDV_SEQ_INCREMENT;
v.mStableRoute.mReceived = now;
}
}
}
@ -298,6 +302,13 @@ int p3Dsdv::handleDSDV(RsDsdvRouteItem *dsdv)
time_t now = time(NULL);
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Received Pkt from: " << dsdv->PeerId();
std::cerr << std::endl;
dsdv->print(std::cerr);
std::cerr << std::endl;
#endif
std::list<RsTlvDsdvEntry>::iterator it;
for(it = dsdv->routes.entries.begin(); it != dsdv->routes.entries.end(); it++)
{
@ -305,11 +316,17 @@ int p3Dsdv::handleDSDV(RsDsdvRouteItem *dsdv)
RsTlvDsdvEntry &entry = *it;
uint32_t realDistance = entry.distance + 1; // metric.
/* find the entry */
std::map<std::string, RsDsdvTableEntry>::iterator tit;
tit = mTable.find(entry.endPoint.serviceId);
if (tit == mTable.end())
{
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Adding Entry for New ServiceId: ";
std::cerr << entry.endPoint.serviceId;
std::cerr << std::endl;
#endif
/* new entry! */
RsDsdvTableEntry v;
v.mDest.mIdType = entry.endPoint.idType;
@ -340,6 +357,11 @@ int p3Dsdv::handleDSDV(RsDsdvRouteItem *dsdv)
RsDsdvTableEntry &v = tit->second;
if (v.mOwnSource)
{
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Ignoring OwnSource Entry:";
std::cerr << entry.endPoint.serviceId;
std::cerr << std::endl;
#endif
continue; // Ignore if we are source.
}
@ -360,14 +382,29 @@ int p3Dsdv::handleDSDV(RsDsdvRouteItem *dsdv)
v.mAllRoutes[dsdv->PeerId()] = newRoute;
/* if we've just added it in - can't be stable one */
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Adding NewRoute Entry:";
std::cerr << entry.endPoint.serviceId;
std::cerr << std::endl;
#endif
}
else
{
if (rit->second.mSequence >= entry.sequence)
{
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Ignoring OLDSEQ Entry:";
std::cerr << entry.endPoint.serviceId;
std::cerr << std::endl;
#endif
/* ignore same/old sequence number??? */
continue;
}
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::handleDSDV() Updating Entry:";
std::cerr << entry.endPoint.serviceId;
std::cerr << std::endl;
#endif
/* update seq,dist,etc */
if (rit->second.mSequence + 2 < entry.sequence)
@ -416,11 +453,16 @@ int p3Dsdv::selectStableRoutes()
{
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::selectStableRoutes() For Entry: " << tit->second;
std::cerr << "p3Dsdv::selectStableRoutes() For Entry: ";
std::cerr << tit->second;
std::cerr << std::endl;
#endif
if (tit->second.mOwnSource)
{
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::selectStableRoutes() OwnSource... Ignoring";
std::cerr << std::endl;
#endif
continue; // Ignore if we are source.
}
@ -435,7 +477,8 @@ int p3Dsdv::selectStableRoutes()
for(rit = tit->second.mAllRoutes.begin();
rit != tit->second.mAllRoutes.end(); rit++)
{
if (rit->second.mSequence >= newest)
if ((now - rit->second.mReceived <= DSDV_DISCARD_PERIOD) &&
(rit->second.mSequence >= newest))
{
newest = rit->second.mSequence;
newestId = rit->first;
@ -447,6 +490,16 @@ int p3Dsdv::selectStableRoutes()
}
}
if (closest == RSDSDV_MAX_DISTANCE)
{
#ifdef DEBUG_DSDV
std::cerr << "\tNo Suitable Route";
std::cerr << std::endl;
#endif
tit->second.mIsStable = false;
continue;
}
uint32_t currseq = newest - (newest % 2); // remove 'kill'=ODD Seq.
#ifdef DEBUG_DSDV
@ -514,24 +567,60 @@ int p3Dsdv::selectStableRoutes()
}
if (closest == RSDSDV_MAX_DISTANCE)
{
tit->second.mIsStable = true;
rit = tit->second.mAllRoutes.find(closestId);
tit->second.mStableRoute = rit->second;
tit->second.mFlags &= ~RSDSDV_FLAGS_NEW_ROUTE;
#ifdef DEBUG_DSDV
std::cerr << "\tNo Suitable Route";
std::cerr << std::endl;
std::cerr << "\tStable Route: " << tit->second.mStableRoute;
std::cerr << std::endl;
#endif
tit->second.mIsStable = false;
}
else
{
tit->second.mIsStable = true;
rit = tit->second.mAllRoutes.find(closestId);
tit->second.mStableRoute = rit->second;
}
return 1;
}
int p3Dsdv::clearOldRoutes()
{
/* iterate over the entries */
RsStackMutex stack(mDsdvMtx); /****** LOCKED MUTEX *******/
#ifdef DEBUG_DSDV
std::cerr << "\tStable Route: " << tit->second.mStableRoute;
std::cerr << std::endl;
std::cerr << "p3Dsdv::clearOldRoutes()";
std::cerr << std::endl;
#endif
/* find the entry */
std::map<std::string, RsDsdvTableEntry>::iterator it, it2;
for(it = mTable.begin(); it != mTable.end(); it++)
{
if (it->second.mOwnSource)
{
continue;
}
if (it->second.mIsStable)
{
continue;
}
if (it->second.mFlags & RSDSDV_FLAGS_NEW_ROUTE)
{
continue;
}
/* backstep iterator for loop, and delete original */
it2 = it;
it--;
#ifdef DEBUG_DSDV
std::cerr << "p3Dsdv::clearOldRoutes() Deleting OLD ServiceId: " << it2->first;
std::cerr << std::endl;
#endif
mTable.erase(it2);
}
return 1;
}
@ -641,6 +730,7 @@ int p3Dsdv::addDsdvId(RsDsdvId *id, std::string realHash)
v.mStableRoute.mValidSince = now;
v.mStableRoute.mSequence = 0;
v.mStableRoute.mDistance = 0;
v.mIsStable = true;
v.mFlags = RSDSDV_FLAGS_OWN_SERVICE;
v.mOwnSource = true;
@ -760,8 +850,11 @@ std::ostream &operator<<(std::ostream &out, const RsDsdvId &id)
std::ostream &operator<<(std::ostream &out, const RsDsdvRoute &route)
{
time_t now = time(NULL);
out << "< Seq: " << route.mSequence << " Dist: " << route.mDistance;
out << " NextHop: " << route.mNextHop << " recvd: " << route.mReceived;
out << " NextHop: " << route.mNextHop;
out << " recvd: " << now-route.mReceived;
out << " validSince: " << now-route.mValidSince;
out << " >";
return out;
@ -770,19 +863,30 @@ std::ostream &operator<<(std::ostream &out, const RsDsdvRoute &route)
std::ostream &operator<<(std::ostream &out, const RsDsdvTableEntry &entry)
{
out << "DSDV Route for: " << entry.mDest << std::endl;
out << "\tStable: " << entry.mStableRoute << std::endl;
out << "\tOwnSource: " << entry.mOwnSource;
out << " Flags: " << entry.mFlags << std::endl;
if (entry.mMatched)
if (entry.mIsStable)
{
out << "Matched: " << entry.mMatchedHash;
out << "\tStable: " << entry.mStableRoute << std::endl;
}
else
{
out << "Non Matched";
out << "\tNo Stable Route" << std::endl;
}
out << "\tOwnSource: " << entry.mOwnSource;
out << " Flags: " << entry.mFlags;
if (entry.mMatched)
{
out << " Matched: " << entry.mMatchedHash;
}
else
{
out << " Non Matched";
}
out << std::endl;
out << "\tAll Routes:" << std::endl;
if (entry.mAllRoutes.size() > 0)
{
out << "\tAll Routes:" << std::endl;
}
std::map<std::string, RsDsdvRoute>::const_iterator it;
for(it = entry.mAllRoutes.begin(); it != entry.mAllRoutes.end(); it++)

6
libretroshare/src/services/p3dsdv.h
View File

@ -40,7 +40,7 @@
class p3LinkMgr;
#define RSDSDV_MAX_DISTANCE 3
#define RSDSDV_MAX_DISTANCE 5
#define RSDSDV_MAX_SEND_TABLE 100
//!The RS DSDV service.
@ -68,7 +68,7 @@ int sendTables();
void advanceLocalSequenceNumbers();
void clearSignificantChangesFlags();
int selectStableRoutes();
int generateRoutingTables(bool incremental);
int generateRoutingTable(const std::string &peerId, bool incremental);
@ -76,6 +76,8 @@ int processIncoming();
int handleDSDV(RsDsdvRouteItem *dsdv);
int selectStableRoutes();
int clearOldRoutes();
public: