mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 02:10:17 +01:00
148 lines
4.6 KiB
C++
148 lines
4.6 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (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.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Transaction Manager.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corp.
|
|
* Portions created by the Initial Developer are Copyright (C) 2003
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* John Gaunt <jgaunt@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef _tmTransactionManager_H_
|
|
#define _tmTransactionManager_H_
|
|
|
|
#include "plhash.h"
|
|
#include "tmUtils.h"
|
|
#include "tmVector.h"
|
|
#include "tmIPCModule.h"
|
|
|
|
// forward declarations
|
|
class tmQueue;
|
|
class tmClient;
|
|
class tmTransaction;
|
|
|
|
/**
|
|
* This class manages the flow of messages from the IPC daemon (coming to
|
|
* it through the tmIPCModule) that ultimately come from a Transaction
|
|
* Service (TS) in a mozilla based client somewhere. The message is
|
|
* delivered to the proper queue, where it is dealt with.
|
|
*
|
|
* New queues get created here as clients request them.
|
|
*/
|
|
class tmTransactionManager
|
|
{
|
|
|
|
public:
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Constructor(s) & Destructor & Initializer
|
|
|
|
/**
|
|
* reclaim the memory allcoated during initialization
|
|
*/
|
|
virtual ~tmTransactionManager();
|
|
|
|
/**
|
|
* Set up the storage of the queues - initialize the vector
|
|
*
|
|
* @returns NS_OK if successful
|
|
* @returns -1 if initialization fails
|
|
*/
|
|
PRInt32 Init();
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Public Member Functions
|
|
|
|
/**
|
|
* Called from the tmIPCModule. Decide where to send the message and
|
|
* dispatch it.
|
|
*/
|
|
void HandleTransaction(tmTransaction *aTrans);
|
|
|
|
/**
|
|
* Called by the queues when they need to get a message back out to a
|
|
* client.
|
|
*/
|
|
void SendTransaction(PRUint32 aDestClientIPCID, tmTransaction *aTrans) {
|
|
PR_ASSERT(aTrans);
|
|
tmIPCModule::SendMsg(aDestClientIPCID, aTrans);
|
|
}
|
|
|
|
protected:
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Protected Member Functions
|
|
|
|
// Queue management
|
|
|
|
/**
|
|
* @returns the queue indexed by the ID passed in, which could be nsnull
|
|
*/
|
|
tmQueue* GetQueue(PRUint32 aQueueID) {
|
|
return (tmQueue*) mQueues[aQueueID];
|
|
}
|
|
|
|
/**
|
|
* @returns the queue with the name passed in
|
|
* @returns nsnull if there is no queue with that name
|
|
*/
|
|
tmQueue* GetQueue(const char *aQueueName);
|
|
|
|
/**
|
|
* If all is successful a new queue with the name provided will be created,
|
|
* and added to the collection of queues. It will be initialized and ready
|
|
* to have transactions added.
|
|
*
|
|
* This doesn't check for the existance of a queue with this name. IF
|
|
* there is already a queue with this name then you will
|
|
* get that when using GetQueue(qName) and never get the new queue
|
|
* created here. A call to GetQueue(qID) will be able to get at the new
|
|
* queue, however you had better cache the ID.
|
|
*
|
|
* @returns -1 if the queue can't be created, or is not added
|
|
* @returns >= 0 if the queue was added successfully
|
|
*/
|
|
PRInt32 AddQueue(const char *aQueueType);
|
|
|
|
/**
|
|
*/
|
|
void RemoveQueue(PRUint32 aQueueID);
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Protected Member Variables
|
|
|
|
tmVector mQueues;
|
|
|
|
private:
|
|
|
|
};
|
|
|
|
#endif
|