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Increase verbosity of multicast tracing and fix tap build problem / GitHub Issue #19

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This commit is contained in:
Adam Ierymenko 2013-10-17 15:20:43 -04:00
parent 9ece65da23
commit d0dbd869c9
2 changed files with 90 additions and 9 deletions
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2
mac-tap/tuntap/src/tap/Makefile
View File

@ -27,7 +27,7 @@ CFLAGS = -Wall -mkernel -force_cpusubtype_ALL \
CCFLAGS = $(CFLAGS)
LDFLAGS = -Wall -mkernel -nostdlib -r -lcc_kext -arch i386 -arch x86_64 -Xlinker -kext
CCP = llvm-g++
CCP = $(shell if [ -f /usr/bin/llvm-g++ ]; then echo llvm-g++; else echo g++; fi)
CC = gcc
all: $(KMOD_BIN) bundle

97
node/PacketDecoder.cpp
View File

@ -447,14 +447,28 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
}
#ifdef ZT_TRACE_MULTICAST
char mct[256];
char mct[1024],mctdepth[1024];
unsigned int startingFifoItems = 0;
for(unsigned int i=0;i<ZT_PROTO_VERB_MULTICAST_FRAME_LEN_PROPAGATION_FIFO;i+=ZT_ADDRESS_LENGTH) {
if (Utils::isZero(fifo + i,ZT_ADDRESS_LENGTH))
break;
else ++startingFifoItems;
}
Utils::snprintf(mct,sizeof(mct),"%c %s <- %.16llx %.16llx %s via %s prefix:%u depth:%u len:%u fifo:%u",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),nwid,guid,origin.toString().c_str(),source().toString().c_str(),prefix,depth,frameLen,startingFifoItems);
for(unsigned int i=0;i<depth;++i)
mctdepth[i] = ' ';
mctdepth[depth] = 0;
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s <- %s via %s len:%u fifosize:%u",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str(),
origin.toString().c_str(),
source().toString().c_str(),
frameLen,
startingFifoItems);
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
@ -467,7 +481,14 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
// members of the same multicast group.
if (!_r->topology->amSupernode()) {
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s dropped %.16llx: duplicate",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),guid);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s dropped: duplicate",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("dropped MULTICAST_FRAME from %s(%s): duplicate",source().toString().c_str(),_remoteAddress.toString().c_str());
@ -503,11 +524,33 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
// security violation of the network's bridging policy. But if we
// were to keep propagating it wouldn't hurt anything, just waste
// bandwidth as everyone else would reject it too.
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s dropped: bridging not allowed",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("dropped MULTICAST_FRAME from %s(%s) into %.16llx: source mac %s doesn't belong to %s, and bridging is not supported on network",source().toString().c_str(),nwid,_remoteAddress.toString().c_str(),sourceMac.toString().c_str(),origin.toString().c_str());
return true;
} else if (!network->permitsEtherType(etherType)) {
// Ditto for this-- halt propagation if this is for an ethertype
// this network doesn't allow. Same principle as bridging test.
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s dropped: ethertype not allowed",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("dropped MULTICAST_FRAME from %s(%s) into %.16llx: ethertype %u is not allowed",source().toString().c_str(),nwid,_remoteAddress.toString().c_str(),etherType);
return true;
} else if (!network->updateAndCheckMulticastBalance(origin,dest,frameLen)) {
@ -515,7 +558,14 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
// there should be enough of them that over-limit multicasts get
// their propagation aborted.
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s dropped %.16llx: rate limits exceeded",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),guid);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s dropped: rate limits exceeded",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("dropped MULTICAST_FRAME from %s(%s): rate limits exceeded for sender %s",source().toString().c_str(),_remoteAddress.toString().c_str(),origin.toString().c_str());
@ -528,7 +578,14 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
if (depth == 0xffff) {
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s not forwarding %.16llx: depth == 0xffff (do not forward)",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),guid);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s not forwarding: depth == 0xffff (do not forward)",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("not forwarding MULTICAST_FRAME from %s(%s): depth == 0xffff (do not forward)",source().toString().c_str(),_remoteAddress.toString().c_str());
@ -536,7 +593,14 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
}
if (++depth > maxDepth) {
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s not forwarding %.16llx: max propagation depth reached",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),guid);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s not forwarding: max propagation depth reached",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
TRACE("not forwarding MULTICAST_FRAME from %s(%s): max propagation depth reached",source().toString().c_str(),_remoteAddress.toString().c_str());
@ -591,7 +655,14 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
}
if ((!nextHop)||(nextHop == _r->identity.address())) { // check against our addr is a sanity check
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s not forwarding %.16llx: no next hop",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),guid);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s not forwarding: no next hop",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str());
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif
//TRACE("not forwarding MULTICAST_FRAME from %s(%s): no next hop",source().toString().c_str(),_remoteAddress.toString().c_str());
@ -602,7 +673,17 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
memcpy(fifo,newFifo + ZT_ADDRESS_LENGTH,ZT_PROTO_VERB_MULTICAST_FRAME_LEN_PROPAGATION_FIFO);
#ifdef ZT_TRACE_MULTICAST
Utils::snprintf(mct,sizeof(mct),"%c %s -> %.16llx %.16llx %s to next hop %s +fifo:%u",(_r->topology->amSupernode() ? 'S' : '-'),_r->identity.address().toString().c_str(),nwid,guid,origin.toString().c_str(),nextHop.toString().c_str(),numAdded);
Utils::snprintf(mct,sizeof(mct),
"%.16llx %.2u %.3u%s %c %s -> origin %s, sending to next hop %s, +fifosize:%u",
guid,
prefix,
depth,
mctdepth,
(_r->topology->amSupernode() ? 'S' : '-'),
_r->identity.address().toString().c_str(),
origin.toString().c_str(),
nextHop.toString().c_str(),
numAdded);
_r->demarc->send(Demarc::ANY_PORT,ZT_DEFAULTS.multicastTraceWatcher,mct,strlen(mct),-1);
#endif