private HmuxConnection OpenRecycle()
{
long now = Utils.CurrentTimeMillis();
HmuxConnection channel = null;
lock (this) {
if (_idleHead != _idleTail)
{
channel = _idle[_idleHead];
long freeTime = channel.GetIdleStartTime();
_idle[_idleHead] = null;
_idleHead = (_idleHead + _idle.Length - 1) % _idle.Length;
if (now < freeTime + _loadBalanceIdleTime)
{
_activeCount++;
channel.ClearIdleStartTime();
channel.ToActive();
Trace.TraceInformation("OpenRecycle '{0}'", channel);
return(channel);
}
}
}
if (channel != null)
{
if (_log.IsLoggable(EventLogEntryType.Information))
{
_log.Info(this + " close idle " + channel
+ " expire=" + new DateTime(channel.GetIdleStartTime() * 10 + _loadBalanceIdleTime * 10));
}
Trace.TraceInformation("closing expired channel '{0}'", channel);
channel.CloseImpl();
}
Trace.TraceInformation("OpenRecyle return 'null'");
return(null);
}
internal void Free(HmuxConnection channel)
{
Success();
lock (this) {
_activeCount--;
bool failing = false;
failing = _failTime > 0 || _busyTime > 0;
int size = (_idleHead - _idleTail + _idle.Length) % _idle.Length;
if (!failing && size < _idleSize)
{
Trace.TraceInformation("Returning channel '{0}' to pool", channel);
_idleHead = (_idleHead + 1) % _idle.Length;
_idle[_idleHead] = channel;
channel = null;
}
}
long now = Utils.CurrentTimeMillis();
long maxIdleTime = _loadBalanceIdleTime;
HmuxConnection oldChannel = null;
do
{
oldChannel = null;
lock (this) {
if (_idleHead != _idleTail)
{
int nextTail = (_idleTail + 1) % _idle.Length;
oldChannel = _idle[nextTail];
if (oldChannel != null &&
(oldChannel.GetIdleStartTime() + maxIdleTime) < now)
{
_idle[nextTail] = null;
_idleTail = nextTail;
}
else
{
oldChannel = null;
}
}
}
if (oldChannel != null)
{
oldChannel.CloseImpl();
Trace.TraceInformation("closing expired channel '{0}'", oldChannel);
}
} while (oldChannel != null);
if (channel != null)
{
channel.CloseImpl();
}
}