jiti-meet/react/features/base/logging/middleware.js

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/* @flow */
import Logger from 'jitsi-meet-logger';
import { APP_WILL_MOUNT } from '../app';
import { CONFERENCE_JOINED, getCurrentConference } from '../conference';
import JitsiMeetJS, {
LIB_WILL_INIT,
JitsiConferenceEvents
} from '../lib-jitsi-meet';
import { MiddlewareRegistry } from '../redux';
import { isTestModeEnabled } from '../testing';
import JitsiMeetInMemoryLogStorage from './JitsiMeetInMemoryLogStorage';
2020-05-20 10:57:03 +00:00
import JitsiMeetLogStorage from './JitsiMeetLogStorage';
import { SET_LOGGING_CONFIG } from './actionTypes';
import { setLogCollector } from './actions';
declare var APP: Object;
/**
* The Redux middleware of the feature base/logging.
*
* @param {Store} store - The Redux store.
* @returns {Function}
* @private
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case APP_WILL_MOUNT:
return _appWillMount(store, next, action);
case CONFERENCE_JOINED:
return _conferenceJoined(store, next, action);
case LIB_WILL_INIT:
return _libWillInit(store, next, action);
case SET_LOGGING_CONFIG:
return _setLoggingConfig(store, next, action);
}
return next(action);
});
/**
* Notifies the feature base/logging that the action {@link APP_WILL_MOUNT} is
* being dispatched within a specific Redux {@code store}.
*
* @param {Store} store - The Redux store in which the specified {@code action}
* is being dispatched.
* @param {Dispatch} next - The Redux {@code dispatch} function to dispatch the
* specified {@code action} to the specified {@code store}.
* @param {Action} action - The Redux action {@code APP_WILL_MOUNT} which is
* being dispatched in the specified {@code store}.
* @private
* @returns {Object} The new state that is the result of the reduction of the
* specified {@code action}.
*/
function _appWillMount({ getState }, next, action) {
const { config } = getState()['features/base/logging'];
_setLogLevels(Logger, config);
// FIXME Until the logic of conference.js is rewritten into the React
// app we, JitsiMeetJS.init is to not be used for the React app.
// Consequently, LIB_WILL_INIT will not be dispatched. In the meantime, do
// the following:
typeof APP === 'undefined' || _setLogLevels(JitsiMeetJS, config);
return next(action);
}
/**
* Starts the log collector, after {@link CONFERENCE_JOINED} action is reduced.
*
* @param {Store} store - The Redux store in which the specified {@code action}
* is being dispatched.
* @param {Dispatch} next - The Redux {@code dispatch} function to dispatch the
* specified {@code action} to the specified {@code store}.
* @param {Action} action - The Redux action {@code CONFERENCE_JOINED} which is
* being dispatched in the specified {@code store}.
* @private
* @returns {*}
*/
function _conferenceJoined({ getState }, next, action) {
// Wait until the joined event is processed, so that the JitsiMeetLogStorage
// will be ready.
const result = next(action);
const { conference } = action;
const { logCollector } = getState()['features/base/logging'];
if (logCollector && conference === getCurrentConference(getState())) {
// Start the LogCollector's periodic "store logs" task
logCollector.start();
// Make an attempt to flush in case a lot of logs have been cached,
// before the collector was started.
logCollector.flush();
// This event listener will flush the logs, before the statistics module
// (CallStats) is stopped.
//
// NOTE The LogCollector is not stopped, because this event can be
// triggered multiple times during single conference (whenever
// statistics module is stopped). That includes the case when Jicofo
// terminates a single person conference (one person left in the room
// waiting for someone to join). It will then restart the media session
// when someone eventually joins the room which will start the stats
// again.
conference.on(
JitsiConferenceEvents.BEFORE_STATISTICS_DISPOSED,
() => logCollector.flush()
);
}
return result;
}
/**
* Initializes logging in the app.
*
* @param {Store} store - The Redux store in which context the logging is to be
* initialized.
* @param {Object} loggingConfig - The configuration with which logging is to be
* initialized.
* @param {boolean} isTestingEnabled - Is debug logging enabled.
* @private
* @returns {void}
*/
function _initLogging({ dispatch, getState }, loggingConfig, isTestingEnabled) {
const { logCollector } = getState()['features/base/logging'];
// Create the LogCollector and register it as the global log transport. It
// is done early to capture as much logs as possible. Captured logs will be
// cached, before the JitsiMeetLogStorage gets ready (statistics module is
// initialized).
if (!logCollector && !loggingConfig.disableLogCollector) {
const _logCollector
= new Logger.LogCollector(new JitsiMeetLogStorage(getState));
Logger.addGlobalTransport(_logCollector);
JitsiMeetJS.addGlobalLogTransport(_logCollector);
dispatch(setLogCollector(_logCollector));
// The JitsiMeetInMemoryLogStorage can not be accessed on mobile through
// the 'executeScript' method like it's done in torture tests for WEB.
if (isTestingEnabled && typeof APP === 'object') {
APP.debugLogs = new JitsiMeetInMemoryLogStorage();
const debugLogCollector = new Logger.LogCollector(
APP.debugLogs, { storeInterval: 1000 });
Logger.addGlobalTransport(debugLogCollector);
JitsiMeetJS.addGlobalLogTransport(debugLogCollector);
debugLogCollector.start();
}
} else if (logCollector && loggingConfig.disableLogCollector) {
Logger.removeGlobalTransport(logCollector);
JitsiMeetJS.removeGlobalLogTransport(logCollector);
logCollector.stop();
dispatch(setLogCollector(undefined));
}
}
/**
* Notifies the feature base/logging that the action {@link LIB_WILL_INIT} is
* being dispatched within a specific Redux {@code store}.
*
* @param {Store} store - The Redux store in which the specified {@code action}
* is being dispatched.
* @param {Dispatch} next - The Redux {@code dispatch} function to dispatch the
* specified {@code action} to the specified {@code store}.
* @param {Action} action - The Redux action {@code LIB_WILL_INIT} which is
* being dispatched in the specified {@code store}.
* @private
* @returns {Object} The new state that is the result of the reduction of the
* specified {@code action}.
*/
function _libWillInit({ getState }, next, action) {
// Adding the if in order to preserve the logic for web after enabling
// LIB_WILL_INIT action for web in initLib action.
if (typeof APP === 'undefined') {
_setLogLevels(JitsiMeetJS, getState()['features/base/logging'].config);
}
return next(action);
}
/**
* Notifies the feature base/logging that the action {@link SET_LOGGING_CONFIG}
* is being dispatched within a specific Redux {@code store}.
*
* @param {Store} store - The Redux store in which the specified {@code action}
* is being dispatched.
* @param {Dispatch} next - The Redux {@code dispatch} function to dispatch the
* specified {@code action} to the specified {@code store}.
* @param {Action} action - The Redux action {@code SET_LOGGING_CONFIG} which is
* being dispatched in the specified {@code store}.
* @private
* @returns {Object} The new state that is the result of the reduction of the
* specified {@code action}.
*/
function _setLoggingConfig({ dispatch, getState }, next, action) {
const result = next(action);
const newValue = getState()['features/base/logging'].config;
const isTestingEnabled = isTestModeEnabled(getState());
// TODO Generally, we'll want to _setLogLevels and _initLogging only if the
// logging config values actually change.
// XXX Unfortunately, we don't currently have a (nice) way of determining
// whether _setLogLevels or _initLogging have been invoked so we have to
// invoke them unconditionally even if none of the values have actually
// changed.
_setLogLevels(Logger, newValue);
_setLogLevels(JitsiMeetJS, newValue);
_initLogging({
dispatch,
getState
}, newValue, isTestingEnabled);
return result;
}
/**
* Sets the log levels of {@link Logger} or {@link JitsiMeetJS} in accord with
* a specific configuration.
*
* @param {Object} logger - The object on which the log levels are to be set.
* @param {Object} config - The configuration specifying the log levels to be
* set on {@code Logger} or {@code JitsiMeetJS}.
* @private
* @returns {void}
*/
function _setLogLevels(logger, config) {
// XXX The loggers of the library lib-jitsi-meet and the application
// jitsi-meet are separate, so the log levels have to be set in both.
// First, set the default log level.
logger.setLogLevel(config.defaultLogLevel);
// Second, set the log level of each logger explictly overriden by config.
Object.keys(config).forEach(
id =>
id === 'defaultLogLevel' || logger.setLogLevelById(config[id], id));
}