private PreciseTime GetCandidateFailedElectionTimeout()
{
PreciseTimeSpan delta;
lock (localRandom)
delta = PreciseTimeSpan.FromMilliseconds(localRandom.Next(350) + 150);
// LogMinorEvent("Election timeout at " + (DateTime.Now + delta.TimeSpan).ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture));
return(PreciseTime.Now + delta);
}
private void ThreadConsensus()
{
lock (localRandom)
nextActionAt = PreciseTime.Now + PreciseTimeSpan.FromMilliseconds(localRandom.NextDouble() * 100);
LogMinorEvent("Started consensus engine: Next action in " + (PreciseTime.Now - nextActionAt));
while (!disposing)
{
myAddress = GetAddress(MemberID.Identifier);
if (myAddress != Address.None && myAddress != BoundAddress)
{
//GetAddress(MemberID.Identifier);
OnAddressMismatchDispose();
Dispose();
return;
}
try
{
if (state == State.Leader)
{
CheckTimeouts(false);
}
CheckCommittedTimeouts();
var dl = nextActionAt;
if (PreciseTime.Now < dl)
{
//LogEvent(GetNanoTime()+"/"+nextActionAt);
lock (localRandom)
Thread.Sleep(TimeSpan.FromMilliseconds(localRandom.Next(10)));
continue;
}
dl = nextActionAt;
if (PreciseTime.Now < dl)
{
continue;
}
switch (state)
{
case State.Leader:
DoSerialized(() =>
{
//CheckTimeouts(true);
Broadcast(new AppendEntries(this));
if (IsLeader)
{
nextActionAt = NextHeartbeat;
}
});
break;
case State.Candidate:
case State.Follower:
if (MemberID.CanBeLeader)
{
InitElection();
}
else
{
state = State.Follower;
}
break;
}
}
catch (Exception ex)
{
}
}
}
internal PreciseTime GetAppendMessageTimeout()
{
return(PreciseTime.Now + PreciseTimeSpan.FromMilliseconds(300));
}
private PreciseTimeSpan GetElectionTimeoutNS()
{
lock (localRandom)
return(PreciseTimeSpan.FromMilliseconds(localRandom.Next(350) + 150));
}