зеркало из https://github.com/mozilla/pjs.git
110 строки
3.5 KiB
C++
110 строки
3.5 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Transaction Manager.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* John Gaunt <jgaunt@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _tmIPCModule_H_
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#define _tmIPCModule_H_
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#include "ipcModuleUtil.h"
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#include "tmUtils.h"
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// forward declarations
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class tmTransaction;
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class tmTransactionManager;
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/**
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* Basically an interface between the tmTransactionManager and the IPC
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* daemon. Does little else than format the data from one party into
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* a format understandable to the other.
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*
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* The reason for this class is to try and abstract the transportation
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* layer the transaction service uses. By using this class the Transaction
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* Manager itself only needs to know that clients are identified by
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* PRUint32 IDs.
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*/
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class tmIPCModule
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{
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public:
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////////////////////////////////////////////////////////////////////////////
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// ipcModule API - called from IPC daemon
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/**
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* Clean up the TM
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*/
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static void Shutdown();
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/**
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* Check the TM, create it if necessary.
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*/
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static void Init();
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/**
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* Receives a message from the IPC daemon, creates a transaction and sends
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* it to the TM to deal with.
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*/
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static void HandleMsg(ipcClientHandle client,
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const nsID &target,
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const void *data,
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PRUint32 dataLen);
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////////////////////////////////////////////////////////////////////////////
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// tmIPCModule API - called from tmTransactionManager
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/**
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* Sends the message to the IPC daemon to be deliverd to the client arg.
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*/
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static void SendMsg(PRUint32 aDestClientIPCID, tmTransaction *aTransaction);
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protected:
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/**
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* tm should be null coming into this method. This does NOT delete tm
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* first.
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*
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* @returns NS_OK if everything succeeds
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* @returns -1 if initialization fails
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*/
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static PRInt32 InitInternal();
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static tmTransactionManager *tm;
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};
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#endif
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