gecko-dev/ipc/ipcd/extensions/transmngr/common/tmTransaction.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 <stdlib.h>
#include "tmTransaction.h"
///////////////////////////////////////////////////////////////////////////////
// Constructor(s) & Destructor
tmTransaction::~tmTransaction() {
if (mHeader)
free(mHeader);
}
// call only once per lifetime of object. does not reclaim the
// raw message, only sets it.
nsresult
tmTransaction::Init(PRUint32 aOwnerID,
PRInt32 aQueueID,
PRUint32 aAction,
PRInt32 aStatus,
const PRUint8 *aMessage,
PRUint32 aLength) {
nsresult rv = NS_OK;
tmHeader *header = nsnull;
// indicates the message is the entire raw message
if (aQueueID == TM_INVALID_ID) {
header = (tmHeader*) malloc(aLength);
if (header) {
mRawMessageLength = aLength;
memcpy(header, aMessage, aLength);
}
else
rv = NS_ERROR_OUT_OF_MEMORY;
}
else { // need to create the tmHeader and concat the message
header = (tmHeader*) malloc (sizeof(tmHeader) + aLength);
if (header) {
mRawMessageLength = sizeof(tmHeader) + aLength;
header->action = aAction;
header->queueID = aQueueID;
header->status = aStatus;
header->reserved = 0x00000000;
if (aLength > 0) // add the message if it exists
memcpy((header + 1), aMessage, aLength);
}
else
rv = NS_ERROR_OUT_OF_MEMORY;
}
if (NS_SUCCEEDED(rv)) {
mOwnerID = aOwnerID;
mHeader = header;
}
return rv;
}