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using System.Net.Sockets;
using System.Threading;
using ModbusLib.Protocols;
/*
* Copyright 2012 Mario Vernari (http://cetdevelop.codeplex.com/)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace ModbusLib
{
/// <summary>
/// Base/abstract implementation of an IP-listener
/// </summary>
internal abstract class IpServer
: ICommServer
{
protected IpServer(Socket port, IProtocol protocol)
{
Port = port;
Protocol = protocol;
}
public readonly Socket Port;
public readonly IProtocol Protocol;
private Thread _thread;
protected bool _closing;
/// <summary>
/// Start the listener session
/// </summary>
public void Start()
{
_thread = new Thread(Worker);
_thread.Start();
}
/// <summary>
/// Handler for the session thread
/// </summary>
protected abstract void Worker();
/// <summary>
/// Close/abort the listener session
/// </summary>
public void Abort()
{
_closing = true;
if (_thread != null &&
_thread.IsAlive)
{
_thread.Join();
}
}
#region EVT ServeCommand
public event ServeCommandHandler ServeCommand;
protected virtual void OnServeCommand(ServerCommData data)
{
var handler = ServeCommand;
if (handler != null)
{
handler(this, new ServeCommandEventArgs(data));
}
}
#endregion
}
}