aboutsummaryrefslogtreecommitdiff
path: root/src/net.h
diff options
context:
space:
mode:
authorPieter Wuille <pieter.wuille@gmail.com>2013-10-15 00:34:20 +0200
committerPieter Wuille <pieter.wuille@gmail.com>2014-06-09 23:06:56 +0200
commitf1920e86063d0ed008c6028d8223b0e21889bf75 (patch)
tree73819080978357908611074ede88c08d503dadc2 /src/net.h
parent6741837233eec841f84131548befcfea8ebf6f14 (diff)
Ping automatically every 2 minutes (unconditionally)
... instead of after 30 minutes of no sending, for latency measurement and keep-alive. Also, disconnect if no reply arrives within 20 minutes, instead of 90 of inactivity (for peers supporting the 'pong' message).
Diffstat (limited to 'src/net.h')
-rw-r--r--src/net.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/net.h b/src/net.h
index 9fcdbf802b..7a77e55a14 100644
--- a/src/net.h
+++ b/src/net.h
@@ -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;
/** -upnp default */
@@ -217,7 +222,6 @@ public:
int64_t nLastSend;
int64_t nLastRecv;
- int64_t nLastSendEmpty;
int64_t nTimeConnected;
CAddress addr;
std::string addrName;
@@ -273,10 +277,14 @@ 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)
@@ -288,7 +296,6 @@ public:
nLastRecv = 0;
nSendBytes = 0;
nRecvBytes = 0;
- nLastSendEmpty = GetTime();
nTimeConnected = GetTime();
addr = addrIn;
addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;