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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
namespace IceInternal
{
using System.Diagnostics;
using IceUtilInternal;
public sealed class ConnectionMonitor : TimerTask
{
public void destroy()
{
lock(this)
{
Debug.Assert(instance_ != null);
instance_ = null;
_connections = null;
}
}
public void add(Ice.ConnectionI connection)
{
lock(this)
{
Debug.Assert(instance_ != null);
_connections.Add(connection);
}
}
public void remove(Ice.ConnectionI connection)
{
lock(this)
{
Debug.Assert(instance_ != null);
_connections.Remove(connection);
}
}
//
// Only for use by Instance.
//
internal ConnectionMonitor(Instance instance, int interval)
{
Debug.Assert(interval > 0);
instance_ = instance;
_connections = new Set();
instance_.timer().scheduleRepeated(this, interval * 1000);
}
public void runTimerTask()
{
Set connections = new Set();
lock(this)
{
if(instance_ == null)
{
return;
}
connections.Clear();
foreach(Ice.ConnectionI connection in _connections)
{
connections.Add(connection);
}
}
//
// Monitor connections outside the thread synchronization,
// so that connections can be added or removed during
// monitoring.
//
foreach(Ice.ConnectionI connection in connections)
{
try
{
connection.monitor();
}
catch(System.Exception ex)
{
lock(this)
{
if(instance_ == null)
{
return;
}
instance_.initializationData().logger.error("unknown exception in connection monitor:\n" + ex);
}
}
}
}
private Instance instance_;
private Set _connections;
}
}
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