michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = ["TelemetryLog"];
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: 
michael@0: const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
michael@0: var gLogEntries = [];
michael@0: 
michael@0: this.TelemetryLog = Object.freeze({
michael@0:   log: function(id, data) {
michael@0:     id = String(id);
michael@0:     var ts;
michael@0:     try {
michael@0:       ts = Math.floor(Telemetry.msSinceProcessStart());
michael@0:     } catch(e) {
michael@0:       // If timestamp is screwed up, we just give up instead of making up
michael@0:       // data.
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     var entry = [id, ts];
michael@0:     if (data !== undefined) {
michael@0:       entry = entry.concat(Array.prototype.map.call(data, String));
michael@0:     }
michael@0:     gLogEntries.push(entry);
michael@0:   },
michael@0: 
michael@0:   entries: function() {
michael@0:     return gLogEntries;
michael@0:   }
michael@0: });