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Rate gate ECHO per Path instead of per Peer

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This commit is contained in:
Joseph Henry 2022-02-21 14:37:39 -08:00
parent 1b0c183913
commit 5e13b42abc
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GPG Key ID: C45B33FF5EBC9344
4 changed files with 18 additions and 15 deletions
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2
node/IncomingPacket.cpp
View File

@ -860,7 +860,7 @@ bool IncomingPacket::_doEXT_FRAME(const RuntimeEnvironment *RR,void *tPtr,const
bool IncomingPacket::_doECHO(const RuntimeEnvironment *RR,void *tPtr,const SharedPtr<Peer> &peer)
{
uint64_t now = RR->node->now();
if (!peer->rateGateEchoRequest(now)) {
if (!_path->rateGateEchoRequest(now)) {
return true;
}

17
node/Path.hpp
View File

@ -83,6 +83,7 @@ public:
_lastOut(0),
_lastIn(0),
_lastTrustEstablishedPacketReceived(0),
_lastEchoRequestReceived(0),
_localSocket(-1),
_latency(0xffff),
_addr(),
@ -93,6 +94,7 @@ public:
_lastOut(0),
_lastIn(0),
_lastTrustEstablishedPacketReceived(0),
_lastEchoRequestReceived(0),
_localSocket(localSocket),
_latency(0xffff),
_addr(addr),
@ -266,6 +268,18 @@ public:
*/
inline int64_t lastTrustEstablishedPacketReceived() const { return _lastTrustEstablishedPacketReceived; }
/**
* Rate limit gate for inbound ECHO requests
*/
inline bool rateGateEchoRequest(const int64_t now)
{
if ((now - _lastEchoRequestReceived) >= (ZT_PEER_GENERAL_RATE_LIMIT / 16)) {
_lastEchoRequestReceived = now;
return true;
}
return false;
}
void *_bondingMetricPtr;
private:
@ -273,6 +287,9 @@ private:
volatile int64_t _lastOut;
volatile int64_t _lastIn;
volatile int64_t _lastTrustEstablishedPacketReceived;
int64_t _lastEchoRequestReceived;
int64_t _localSocket;
volatile unsigned int _latency;
InetAddress _addr;

1
node/Peer.cpp
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@ -34,7 +34,6 @@ Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Ident
_lastTriedMemorizedPath(0),
_lastDirectPathPushSent(0),
_lastDirectPathPushReceive(0),
_lastEchoRequestReceived(0),
_lastCredentialRequestSent(0),
_lastWhoisRequestReceived(0),
_lastCredentialsReceived(0),

13
node/Peer.hpp
View File

@ -418,18 +418,6 @@ public:
return false;
}
/**
* Rate limit gate for inbound ECHO requests
*/
inline bool rateGateEchoRequest(const int64_t now)
{
if ((now - _lastEchoRequestReceived) >= ZT_PEER_GENERAL_RATE_LIMIT) {
_lastEchoRequestReceived = now;
return true;
}
return false;
}
/**
* Serialize a peer for storage in local cache
*
@ -546,7 +534,6 @@ private:
int64_t _lastTriedMemorizedPath;
int64_t _lastDirectPathPushSent;
int64_t _lastDirectPathPushReceive;
int64_t _lastEchoRequestReceived;
int64_t _lastCredentialRequestSent;
int64_t _lastWhoisRequestReceived;
int64_t _lastCredentialsReceived;