public void Run()
{
try
{
ArrayList idleMembers;
ArrayList suspectedList = new ArrayList();
_ct.SetConnectionsStatus(true);
Thread.Sleep(_interval);
while (_thread != null)
{
idleMembers = _ct.GetIdleMembers();
if (idleMembers.Count > 0)
{
lock (_idleConnections.SyncRoot)
{
for (int i = 0; i < idleMembers.Count; i++)
{
Address member = idleMembers[i] as Address;
if (_enclosingInstance.Stack.NCacheLog.IsInfoEnabled)
{
_enclosingInstance.Stack.NCacheLog.Info("ConnectionKeepAlive.Run", "pining idle member ->:" + member.ToString());
}
if (!_idleConnections.Contains(member))
{
_idleConnections.Add(idleMembers[i], (int)1);
}
else
{
int attemptCount = (int)_idleConnections[member];
attemptCount++;
if (attemptCount > _maxAttempts)
{
_idleConnections.Remove(member);
suspectedList.Add(member);
}
else
{
if (_enclosingInstance.Stack.NCacheLog.IsErrorEnabled)
{
_enclosingInstance.Stack.NCacheLog.Error("ConnectionKeepAlive.Run", attemptCount + " did not received any heart beat ->:" + member.ToString());
}
_idleConnections[member] = attemptCount;
}
}
}
}
AskHeartBeats(idleMembers);
}
if (_enclosingInstance.Stack.NCacheLog.IsInfoEnabled)
{
_enclosingInstance.Stack.NCacheLog.Info("ConnectionKeepAlive.Run", "setting connections status to idle ->:");
}
_ct.SetConnectionsStatus(true);
foreach (Address suspected in suspectedList)
{
if (_enclosingInstance.Stack.NCacheLog.IsErrorEnabled)
{
_enclosingInstance.Stack.NCacheLog.Error("ConnectionKeepAlive.Run", "member being suspected ->:" + suspected.ToString());
}
_ct.remove(suspected, true);
_enclosingInstance.connectionClosed(suspected);
}
suspectedList.Clear();
Thread.Sleep(_interval);
}
}
catch (ThreadAbortException) { }
catch (ThreadInterruptedException) { }
catch (Exception e)
{
_enclosingInstance.Stack.NCacheLog.Error("ConnectionKeepAlive.Run", e.ToString());
}
if (_enclosingInstance.Stack.NCacheLog.IsInfoEnabled)
{
_enclosingInstance.Stack.NCacheLog.Info("ConnectionKeepAlive.Run", "exiting keep alive thread");
}
}