126 lines
3.8 KiB
C#
126 lines
3.8 KiB
C#
/***********************************************************************
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*
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* Copyright (C) 2005-2006 Novell, Inc. All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, Novell, Inc.
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*
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* To contact Novell about this file by physical or electronic mail,
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* you may find current contact information at www.novell.com.
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*
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***********************************************************************/
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using System;
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using System.Collections;
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using System.Text;
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using sscs.communication;
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using sscs.common;
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using sscs.verbs;
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using sscs.constants;
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class AppHandler
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{
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//Data
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private IPCChannel clientChannel;
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//Methods
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internal AppHandler(IPCChannel ipcChannel)
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{
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clientChannel = ipcChannel;
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CSSSLogger.ExecutionTrace(this);
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}
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~AppHandler()
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{
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CSSSLogger.ExecutionTrace(this);
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}
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/* Starts servicing the application. This is called as soon
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* as a new client connection is established.
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*/
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internal int ServiceApp()
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{
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SSVerb verb = null;
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CSSSLogger.ExecutionTrace(this);
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while(true)
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{
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byte[] buf = null;
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try
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{
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buf = clientChannel.Read();
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if( null == buf )
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{
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return RetCodes.SUCCESS;
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}
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RequestParser reqParser = new RequestParser();
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verb = reqParser.ParseRequest(buf);
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CSSSLogger.logbreak();
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CSSSLogger.DbgLog("SSCS going to sevice a :: ** " + verb.GetVerbName() + " **");
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UserIdentifier userId = clientChannel.GetIPCChannelUserId();
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if(null == userId)
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{
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CSSSLogger.log(ConstStrings.DEBUG, "In " + CSSSLogger.GetExecutionPath(this) + " a null user is obtained.");
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return RetCodes.FAILURE;
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}
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buf = verb.ProcessRequest(userId);
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if ( buf != null)
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{
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int retVal = clientChannel.Write(buf);
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if(retVal < 0)
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{
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CSSSLogger.DbgLog("Write failed");
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return RetCodes.FAILURE;
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}
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}
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else
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{
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//There must always be something written back to client.
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return RetCodes.FAILURE;
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}
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}
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catch(CommunicationException e)
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{
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CSSSLogger.ExpLog(e.ToString());
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throw e;
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}
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catch(FormatException e)
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{
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CSSSLogger.ExpLog(e.ToString());
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throw e;
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}
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catch(Exception e)
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{
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CSSSLogger.ExpLog(e.ToString());
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throw e;
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}
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/* TBD define verb specific heirarchy of exceptions catch
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* (Some processing problem)
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*/
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finally
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{
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CSSSLogger.DbgLog("SSCS finished processing a SS Verb :: ** " + verb.GetVerbName() + " **");
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CSSSLogger.logbreak();
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}
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}
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}
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}
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