Realtime host -> desktop logging
Installs code into the client to buffer all of the logged console messages. Because of the presumed synchronous operation of marionette-js-runner, Messages are retrieved when explicitly requested or as an implict byproduct of waiting for specific log messages.
// create the plugin. This must run before startSession.clientplugin'logger' require'marionette-js-logger';clientstartSessionlogGrabber = clientlogger;// You can listen for the 'message' event, it will be fired when calls cause// logs to be retrieved from the server.logGrabberon'message'msgwindow; // The URI of the document/window the log happened inmsglevel; // log/info/warn/error/exception/debugmsgmessage; // raw string of messagemsgfilename; // source file log call was made frommsglineNumber; // line number where call was mademsgfunctionName; // function name where call was mademsgtimeStamp; // standard JS timestamp; milliseconds since the epoch (UTC);// Explicitly fetch all available logs from the server, emitting 'message'// events.logGrabbergrabLogMessages;// Fetch all available logs from the server, but if there aren't any there// yet, wait for at least one new message to be logged. This will wait for// at least one turn of the event loop before returning for efficiency reasons// and to avoid mistaken understandings of the state of the device. Do not// depend on this to leave certain messages on the device.logGrabbergrabAtLeastOneNewMessage;// Keep fetching logs from the server and calling the provided method until// it returns true indicating it found the log message it wanted. 'message'// events will still be emitted for all logs retrieved as a result of these// calls. While the function will only be called on messages until it returns// true and will not be called for any messages retrieved after the first call// that returns true, 'message' events will be emitted for ALL retrieved logs.// Also, subsequent calls to waitForLogMessage will only call the function// for newly retrieved logs.logGrabberwaitForLogMessagereturn /my car keys/testmsgmessage;;clientexecuteScript// this works too but more importantly all other console.log's in content work tooconsole.logdocumentlocationhref;;clientdeleteSession;;
Copyright (c) 2013 Mozilla Foundation
Contributors: Sahaja James Lal firstname.lastname@example.org
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