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Make new multicast depth and prefix bits parameters configurable.

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This commit is contained in:
Adam Ierymenko
2013-09-30 13:51:56 -04:00
parent 4ecb9369b5
commit 9db7939d38
6 changed files with 90 additions and 17 deletions
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4
node/PacketDecoder.cpp
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@ -485,6 +485,7 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
}
bool rateLimitsExceeded = false;
unsigned int maxDepth = ZT_MULTICAST_GLOBAL_MAX_DEPTH;
if ((origin == _r->identity.address())||(_r->mc->deduplicate(nwid,guid))) {
// Ordinary frames will drop duplicates. Supernodes keep propagating
@ -502,6 +503,7 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
// for the same frame would not be fair.
SharedPtr<Network> network(_r->nc->network(nwid));
if (network) {
maxDepth = network->multicastDepth(); // pull from network config if available
if (!network->isAllowed(origin)) {
TRACE("didn't inject MULTICAST_FRAME from %s(%s) into %.16llx: sender %s not allowed or we don't have a certificate",source().toString().c_str(),nwid,_remoteAddress.toString().c_str(),origin.toString().c_str());
@ -541,7 +543,7 @@ bool PacketDecoder::_doMULTICAST_FRAME(const RuntimeEnvironment *_r,const Shared
TRACE("not forwarding MULTICAST_FRAME from %s(%s): depth == 0xffff (do not forward)",source().toString().c_str(),_remoteAddress.toString().c_str());
return true;
}
if (++depth > ZT_MULTICAST_MAX_PROPAGATION_DEPTH) {
if (++depth > maxDepth) {
TRACE("not forwarding MULTICAST_FRAME from %s(%s): max propagation depth reached",source().toString().c_str(),_remoteAddress.toString().c_str());
return true;
}