RetroZilla/ipc/ipcd/extensions/transmngr/module/tmIPCModule.cpp

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/* ***** 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 ***** */
#include "tmIPCModule.h"
#include "tmTransaction.h"
#include "tmTransactionManager.h"
///////////////////////////////////////////////////////////////////////////////
// IPC Daemon hookup stuff
// functionpointer array giving access to this module from the IPC daemon
static ipcModuleMethods gTransMethods =
{
IPC_MODULE_METHODS_VERSION,
tmIPCModule::Init,
tmIPCModule::Shutdown,
tmIPCModule::HandleMsg
};
static ipcModuleEntry gTransModuleEntry[] =
{
{ TRANSACTION_MODULE_ID, &gTransMethods }
};
IPC_IMPL_GETMODULES(TransactionModule, gTransModuleEntry)
static const nsID kTransModuleID = TRANSACTION_MODULE_ID;
///////////////////////////////////////////////////////////////////////////////
// Define global variable
tmTransactionManager *tmIPCModule::tm;
///////////////////////////////////////////////////////////////////////////////
// IPC Module API
void
tmIPCModule::Init() {
if (!tm)
InitInternal();
}
void
tmIPCModule::Shutdown() {
if (tm) {
delete tm;
tm = nsnull;
}
}
// straight pass-through, don't check args, let the TM do it.
void
tmIPCModule::HandleMsg(ipcClientHandle client, const nsID &target,
const void *data, PRUint32 dataLen) {
// make sure the trans mngr is there
if (!tm && (InitInternal() < 0))
return;
// create the transaction
tmTransaction *trans = new tmTransaction();
// initialize it
if (trans) {
if(NS_SUCCEEDED(trans->Init(IPC_GetClientID(client), // who owns it
TM_INVALID_ID, // in data
TM_INVALID, // in data
TM_INVALID, // in data
(PRUint8 *)data, // raw message
dataLen))) { // length of message
// pass it on to the trans mngr
tm->HandleTransaction(trans);
}
else
delete trans;
}
}
///////////////////////////////////////////////////////////////////////////////
// tmIPCModule API
// straight pass-through, don't check args, let the TS & TM do it.
void
tmIPCModule::SendMsg(PRUint32 aDestClientIPCID, tmTransaction *aTransaction) {
IPC_SendMsg(aDestClientIPCID,
kTransModuleID,
(void *)aTransaction->GetRawMessage(),
aTransaction->GetRawMessageLength());
}
///////////////////////////////////////////////////////////////////////////////
// Protected Methods
PRInt32
tmIPCModule::InitInternal() {
tm = new tmTransactionManager();
if (tm)
return tm->Init();
return -1;
}