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SSL Log.sys.mjs
Sprache: unbekannt
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
import { Log as StdLog } from "resource://gre/modules/Log.sys.mjs";
const PREF_REMOTE_LOG_LEVEL = "remote.log.level";
const lazy = {};
// Lazy getter which returns a cached value of the remote log level. Should be
// used for static getters used to guard hot paths for logging, eg
// isTraceLevelOrMore.
ChromeUtils.defineLazyGetter(lazy, "logLevel", () =>
Services.prefs.getCharPref(PREF_REMOTE_LOG_LEVEL, StdLog.Level.Fatal)
);
/** E10s compatible wrapper for the standard logger from Log.sys.mjs. */
export class Log {
static TYPES = {
CDP: "CDP",
MARIONETTE: "Marionette",
REMOTE_AGENT: "RemoteAgent",
WEBDRIVER_BIDI: "WebDriver BiDi",
};
/**
* Get a logger instance. For each provided type, a dedicated logger instance
* will be returned, but all loggers are relying on the same preference.
*
* @param {string} type
* The type of logger to use. Protocol-specific modules should use the
* corresponding logger type. Eg. files under /marionette should use
* Log.TYPES.MARIONETTE.
*/
static get(type = Log.TYPES.REMOTE_AGENT) {
const logger = StdLog.repository.getLogger(type);
if (!logger.ownAppenders.length) {
logger.addAppender(new StdLog.DumpAppender());
logger.manageLevelFromPref(PREF_REMOTE_LOG_LEVEL);
}
return logger;
}
/**
* Check if the current log level matches the Debug log level, or any level
* above that. This should be used to guard logger.debug calls and avoid
* instanciating logger instances unnecessarily.
*/
static get isDebugLevelOrMore() {
// Debug is assigned 20, more verbose log levels have lower values.
return StdLog.Level[lazy.logLevel] <= StdLog.Level.Debug;
}
/**
* Check if the current log level matches the Trace log level, or any level
* above that. This should be used to guard logger.trace calls and avoid
* instanciating logger instances unnecessarily.
*/
static get isTraceLevelOrMore() {
// Trace is assigned 10, more verbose log levels have lower values.
return StdLog.Level[lazy.logLevel] <= StdLog.Level.Trace;
}
/**
* WARNING: This helper is incorrectly implemented and probably doesn't do
* what you would expect.
*
* At the moment `verbose` will be true for the least verbose log levels:
* INFO, WARN, ERROR and FATAL. Fixing the issue would lead to too much
* additional log spam on CI so we will need to use another approach, and
* probably to decouple it from the log level.
*
* See https://bugzilla.mozilla.org/show_bug.cgi?id=1828395
*/
static get verbose() {
return StdLog.Level[lazy.logLevel] >= StdLog.Level.Info;
}
}
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]
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2026-03-28
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