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This commit is contained in:
Adam Ierymenko 2013-07-20 18:24:56 -04:00
parent e4e517e9c3
commit b8e9a79d00
3 changed files with 17 additions and 3 deletions
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11
node/Multicaster.hpp
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@ -261,7 +261,16 @@ public:
bf.set((peers[chosen++] = *i)->address().sum()); bf.set((peers[chosen++] = *i)->address().sum());
// Add a supernode if there are fewer than the desired // Add a supernode if there are fewer than the desired
// number of recipients. // number of recipients. Note that we do not use the bloom
// filter to track visits to supernodes, intentionally
// allowing multicasts to ping pong between supernodes.
// Supernodes propagate even messages they've already seen,
// while regular nodes do not. Thus this ping-ponging will
// cause the supernodes to pick new starting points for
// peer to peer graph traversal multiple times. It's a
// simple, stateless way to increase supernode-driven
// propagation of a multicast in the event that peer to
// peer connectivity for its group is sparse.
if (chosen < max) { if (chosen < max) {
Address avoid[2]; Address avoid[2];
avoid[0] = originalSubmitter; avoid[0] = originalSubmitter;

7
node/NodeConfig.cpp
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@ -219,12 +219,17 @@ bool NodeConfig::decodeControlMessagePacket(const void *key,const void *data,uns
void NodeConfig::_CBcontrolPacketHandler(UdpSocket *sock,void *arg,const InetAddress &remoteAddr,const void *data,unsigned int len) void NodeConfig::_CBcontrolPacketHandler(UdpSocket *sock,void *arg,const InetAddress &remoteAddr,const void *data,unsigned int len)
{ {
NodeConfig *nc = (NodeConfig *)arg; NodeConfig *nc = (NodeConfig *)arg;
const RuntimeEnvironment *_r = nc->_r;
try { try {
unsigned long convId = 0; unsigned long convId = 0;
std::vector<std::string> commands; std::vector<std::string> commands;
if (!decodeControlMessagePacket(nc->_controlSocketKey,data,len,convId,commands)) if (!decodeControlMessagePacket(nc->_controlSocketKey,data,len,convId,commands)) {
TRACE("control bus packet from %s failed decode, discarded",remoteAddr.toString().c_str());
return; return;
}
TRACE("control bus packet from %s, contains %d commands",remoteAddr.toString().c_str(),(int)commands.size());
for(std::vector<std::string>::iterator c(commands.begin());c!=commands.end();++c) { for(std::vector<std::string>::iterator c(commands.begin());c!=commands.end();++c) {
std::vector< Buffer<ZT_NODECONFIG_MAX_PACKET_SIZE> > resultPackets(encodeControlMessage(nc->_controlSocketKey,convId,nc->execute(c->c_str()))); std::vector< Buffer<ZT_NODECONFIG_MAX_PACKET_SIZE> > resultPackets(encodeControlMessage(nc->_controlSocketKey,convId,nc->execute(c->c_str())));

2
node/Packet.hpp
View File

@ -449,7 +449,7 @@ public:
* <[2] 16-bit length of payload> * <[2] 16-bit length of payload>
* <[2] 16-bit length of signature> * <[2] 16-bit length of signature>
* <[...] ethernet payload> * <[...] ethernet payload>
* <[...] ECDSA signature> * <[...] ECDSA signature of SHA-256 hash (see below)>
* *
* The signature is made using the key of the original submitter, and * The signature is made using the key of the original submitter, and
* can be used to authenticate the submitter for security and rate * can be used to authenticate the submitter for security and rate