CASA/c_micasad/communication/win/ServerNamedPipe.cs
2006-02-01 17:48:29 +00:00

127 lines
3.5 KiB
C#

/***********************************************************************
*
* Copyright (C) 2005-2006 Novell, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, Novell, Inc.
*
* To contact Novell about this file by physical or electronic mail,
* you may find current contact information at www.novell.com.
*
***********************************************************************/
using System;
using System.Threading;
using System.IO;
using AppModule.InterProcessComm;
using AppModule.NamedPipes;
namespace sscs.communication.win {
public sealed class ServerNamedPipe : IDisposable {
internal Thread PipeThread;
internal ServerPipeConnection PipeConnection;
internal bool Listen = true;
internal DateTime LastAction;
private bool disposed = false;
private void PipeListener() {
CheckIfDisposed();
try {
Listen = true;
while (Listen) {
LastAction = DateTime.Now;
// Service Client (new code)
IPCChannel ipcChannel = IPCChannel.Create(PipeConnection);
AppHandler appHandler = new AppHandler(ipcChannel);
try
{
int retVal = appHandler.ServiceApp();
}
catch(Exception)
{
ipcChannel.Close();
}
LastAction = DateTime.Now;
PipeConnection.Disconnect();
if (Listen) {
Connect();
}
WinCommunication.PipeManager.WakeUp();
}
}
catch (System.Threading.ThreadAbortException) { }
catch (System.Threading.ThreadStateException) { }
catch (Exception) {
// Log exception
}
finally {
this.Close();
}
}
internal void Connect() {
CheckIfDisposed();
PipeConnection.Connect();
}
internal void Close() {
CheckIfDisposed();
this.Listen = false;
WinCommunication.PipeManager.RemoveServerChannel(this.PipeConnection.NativeHandle);
this.Dispose();
}
internal void Start() {
CheckIfDisposed();
PipeThread.Start();
}
private void CheckIfDisposed() {
if(this.disposed) {
throw new ObjectDisposedException("ServerNamedPipe");
}
}
public void Dispose() {
Dispose(true);
GC.SuppressFinalize(this);
}
private void Dispose(bool disposing) {
if(!this.disposed) {
PipeConnection.Dispose();
if (PipeThread != null) {
try {
PipeThread.Abort();
}
catch (System.Threading.ThreadAbortException) { }
catch (System.Threading.ThreadStateException) { }
catch (Exception) {
// Log exception
}
}
}
disposed = true;
}
~ServerNamedPipe() {
Dispose(false);
}
internal ServerNamedPipe(string name, uint outBuffer, uint inBuffer, int maxReadBytes) {
PipeConnection = new ServerPipeConnection(name, outBuffer, inBuffer, maxReadBytes, false);
PipeThread = new Thread(new ThreadStart(PipeListener));
PipeThread.IsBackground = true;
PipeThread.Name = "Pipe Thread " + this.PipeConnection.NativeHandle.ToString();
LastAction = DateTime.Now;
}
}
}