gecko/services/sync/modules/faultTolerance.js
2008-07-11 18:55:42 -07:00

87 lines
3.0 KiB
JavaScript

/* ***** 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 Bookmarks Sync.
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Atul Varma <varmaa@toolness.com>
* Dan Mills <thunder@mozilla.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 ***** */
const Cu = Components.utils;
Cu.import("resource://weave/log4moz.js");
const EXPORTED_SYMBOLS = ["FaultTolerance"];
FaultTolerance = {
get Service() {
if (!this._Service)
this._Service = new FTService();
return this._Service;
}
};
function FTService() {
this._log = Log4Moz.Service.getLogger("FaultTolerance");
this._appender = new FTAppender(this);
Log4Moz.Service.rootLogger.addAppender(this._appender);
}
FTService.prototype = {
get lastException() this._lastException,
onMessage: function FTS_onMessage(message) {
// FIXME: we get all log messages here, and could use them to keep track of
// our current state
},
onException: function FTS_onException(exception) {
this._lastException = exception;
if ("Could not acquire lock" == exception)
return false; // fatal error
return true; // continue
}
};
function FTFormatter() {}
FTFormatter.prototype = {
__proto__: new Log4Moz.Formatter(),
format: function FTF_format(message) message
};
function FTAppender(ftService) {
this._ftService = ftService;
this._name = "FTAppender";
this._formatter = new FTFormatter();
}
FTAppender.prototype = {
__proto__: new Log4Moz.Appender(),
doAppend: function FTA_append(message) {
this._ftService.onMessage(message);
}
};