diff options
| -rw-r--r-- | src/main.cpp | 13 | ||||
| -rw-r--r-- | src/net.cpp | 18 | ||||
| -rw-r--r-- | src/net.h | 13 |
3 files changed, 27 insertions, 17 deletions
diff --git a/src/main.cpp b/src/main.cpp index f53d20fbb4..98e1741954 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -4293,8 +4293,8 @@ bool SendMessages(CNode* pto, bool fSendTrickle) // RPC ping request by user pingSend = true; } - if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSendMsg.empty()) { - // Ping automatically sent as a keepalive + if (pto->nPingNonceSent == 0 && pto->nPingUsecStart + PING_INTERVAL * 1000000 < GetTimeMicros()) { + // Ping automatically sent as a latency probe & keepalive. pingSend = true; } if (pingSend) { @@ -4302,15 +4302,14 @@ bool SendMessages(CNode* pto, bool fSendTrickle) while (nonce == 0) { RAND_bytes((unsigned char*)&nonce, sizeof(nonce)); } - pto->nPingNonceSent = nonce; pto->fPingQueued = false; + pto->nPingUsecStart = GetTimeMicros(); if (pto->nVersion > BIP0031_VERSION) { - // Take timestamp as close as possible before transmitting ping - pto->nPingUsecStart = GetTimeMicros(); + pto->nPingNonceSent = nonce; pto->PushMessage("ping", nonce); } else { - // Peer is too old to support ping command with nonce, pong will never arrive, disable timing - pto->nPingUsecStart = 0; + // Peer is too old to support ping command with nonce, pong will never arrive. + pto->nPingNonceSent = 0; pto->PushMessage("ping"); } } diff --git a/src/net.cpp b/src/net.cpp index ac0da26de9..757a06aaed 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1024,23 +1024,27 @@ void ThreadSocketHandler() // // Inactivity checking // - if (pnode->vSendMsg.empty()) - pnode->nLastSendEmpty = GetTime(); - if (GetTime() - pnode->nTimeConnected > 60) + int64_t nTime = GetTime(); + if (nTime - pnode->nTimeConnected > 60) { if (pnode->nLastRecv == 0 || pnode->nLastSend == 0) { LogPrint("net", "socket no message in first 60 seconds, %d %d\n", pnode->nLastRecv != 0, pnode->nLastSend != 0); pnode->fDisconnect = true; } - else if (GetTime() - pnode->nLastSend > 90*60 && GetTime() - pnode->nLastSendEmpty > 90*60) + else if (nTime - pnode->nLastSend > TIMEOUT_INTERVAL) { - LogPrintf("socket not sending\n"); + LogPrintf("socket sending timeout: %is\n", nTime - pnode->nLastSend); pnode->fDisconnect = true; } - else if (GetTime() - pnode->nLastRecv > 90*60) + else if (nTime - pnode->nLastRecv > (pnode->nVersion > BIP0031_VERSION ? TIMEOUT_INTERVAL : 90*60)) { - LogPrintf("socket inactivity timeout\n"); + LogPrintf("socket receive timeout: %is\n", nTime - pnode->nLastRecv); + pnode->fDisconnect = true; + } + else if (pnode->nPingNonceSent && pnode->nPingUsecStart + TIMEOUT_INTERVAL * 1000000 < GetTimeMicros()) + { + LogPrintf("ping timeout: %fs\n", 0.000001 * (GetTimeMicros() - pnode->nPingUsecStart)); pnode->fDisconnect = true; } } @@ -28,6 +28,7 @@ #include <boost/signals2/signal.hpp> #include <openssl/rand.h> + class CAddrMan; class CBlockIndex; class CNode; @@ -36,6 +37,10 @@ namespace boost { class thread_group; } +/** Time between pings automatically sent out for latency probing and keepalive (in seconds). */ +static const int PING_INTERVAL = 2 * 60; +/** Time after which to disconnect, after waiting for a ping response (or inactivity). */ +static const int TIMEOUT_INTERVAL = 20 * 60; /** The maximum number of entries in an 'inv' protocol message */ static const unsigned int MAX_INV_SZ = 50000; /** -listen default */ @@ -219,7 +224,6 @@ public: int64_t nLastSend; int64_t nLastRecv; - int64_t nLastSendEmpty; int64_t nTimeConnected; CAddress addr; std::string addrName; @@ -275,10 +279,14 @@ public: CCriticalSection cs_inventory; std::multimap<int64_t, CInv> mapAskFor; - // Ping time measurement + // Ping time measurement: + // The pong reply we're expecting, or 0 if no pong expected. uint64_t nPingNonceSent; + // Time (in usec) the last ping was sent, or 0 if no ping was ever sent. int64_t nPingUsecStart; + // Last measured round-trip time. int64_t nPingUsecTime; + // Whether a ping is requested. bool fPingQueued; CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", bool fInboundIn=false) : ssSend(SER_NETWORK, INIT_PROTO_VERSION), setAddrKnown(5000) @@ -290,7 +298,6 @@ public: nLastRecv = 0; nSendBytes = 0; nRecvBytes = 0; - nLastSendEmpty = GetTime(); nTimeConnected = GetTime(); addr = addrIn; addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn; |