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Added ping time measurement.

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New RPC "ping" command to request ping.
Implemented "pong" message handler.
New "pingtime" field in getpeerinfo, to provide results to user.
New "pingwait" field, to show pings still in flight, to better see newly lagging peers.
This commit is contained in:
Josh Lehan
2013-08-22 04:34:33 -07:00
parent acb3ebc455
commit 971bb3e901
6 changed files with 131 additions and 4 deletions
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21
src/rpcnet.cpp
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@@ -19,6 +19,24 @@ Value getconnectioncount(const Array& params, bool fHelp)
return (int)vNodes.size();
}
Value ping(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"ping\n"
"Requests that a ping be sent to all other nodes, to measure ping time.\n"
"Results provided in getpeerinfo, pingtime and pingwait fields are decimal seconds.\n"
"Ping command is handled in queue with all other commands, so it measures processing backlog, not just network ping.");
// Request that each node send a ping during next message processing pass
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pNode, vNodes) {
pNode->fPingQueued = true;
}
return Value::null;
}
static void CopyNodeStats(std::vector<CNodeStats>& vstats)
{
vstats.clear();
@@ -54,6 +72,9 @@ Value getpeerinfo(const Array& params, bool fHelp)
obj.push_back(Pair("bytessent", (boost::int64_t)stats.nSendBytes));
obj.push_back(Pair("bytesrecv", (boost::int64_t)stats.nRecvBytes));
obj.push_back(Pair("conntime", (boost::int64_t)stats.nTimeConnected));
obj.push_back(Pair("pingtime", stats.dPingTime));
if (stats.dPingWait > 0.0)
obj.push_back(Pair("pingwait", stats.dPingWait));
obj.push_back(Pair("version", stats.nVersion));
obj.push_back(Pair("subver", stats.strSubVer));
obj.push_back(Pair("inbound", stats.fInbound));