120 lines
3.1 KiB
JavaScript
120 lines
3.1 KiB
JavaScript
var ConnectionQuality = (function () {
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/**
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* Constructs new ConnectionQuality object
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* @constructor
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*/
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function ConnectionQuality() {
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}
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/**
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* local stats
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* @type {{}}
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*/
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var stats = {};
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/**
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* remote stats
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* @type {{}}
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*/
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var remoteStats = {};
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/**
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* Interval for sending statistics to other participants
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* @type {null}
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*/
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var sendIntervalId = null;
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/**
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* Updates the local statistics
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* @param data new statistics
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*/
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ConnectionQuality.updateLocalStats = function (data) {
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stats = data;
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VideoLayout.updateLocalConnectionStats(100 - stats.packetLoss.total,stats);
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if(sendIntervalId == null)
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{
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startSendingStats();
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}
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};
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/**
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* Start statistics sending.
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*/
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function startSendingStats() {
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sendStats();
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sendIntervalId = setInterval(sendStats, 10000);
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}
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/**
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* Sends statistics to other participants
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*/
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function sendStats() {
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connection.emuc.addConnectionInfoToPresence(convertToMUCStats(stats));
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connection.emuc.sendPresence();
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}
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/**
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* Converts statistics to format for sending through XMPP
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* @param stats the statistics
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* @returns {{bitrate_donwload: *, bitrate_uplpoad: *, packetLoss_total: *, packetLoss_download: *, packetLoss_upload: *}}
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*/
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function convertToMUCStats(stats) {
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return {
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"bitrate_download": stats.bitrate.download,
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"bitrate_upload": stats.bitrate.upload,
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"packetLoss_total": stats.packetLoss.total,
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"packetLoss_download": stats.packetLoss.download,
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"packetLoss_upload": stats.packetLoss.upload
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};
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}
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/**
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* Converts statitistics to format used by VideoLayout
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* @param stats
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* @returns {{bitrate: {download: *, upload: *}, packetLoss: {total: *, download: *, upload: *}}}
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*/
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function parseMUCStats(stats) {
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return {
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bitrate: {
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download: stats.bitrate_download,
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upload: stats.bitrate_upload
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},
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packetLoss: {
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total: stats.packetLoss_total,
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download: stats.packetLoss_download,
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upload: stats.packetLoss_upload
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}
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};
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}
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/**
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* Updates remote statistics
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* @param jid the jid associated with the statistics
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* @param data the statistics
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*/
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ConnectionQuality.updateRemoteStats = function (jid, data) {
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if(data == null || data.packetLoss_total == null)
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{
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VideoLayout.updateConnectionStats(jid, null, null);
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return;
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}
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remoteStats[jid] = parseMUCStats(data);
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VideoLayout.updateConnectionStats(jid, 100 - data.packetLoss_total,remoteStats[jid]);
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};
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/**
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* Stops statistics sending.
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*/
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ConnectionQuality.stopSendingStats = function () {
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clearInterval(sendIntervalId);
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sendIntervalId = null;
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//notify UI about stopping statistics gathering
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VideoLayout.onStatsStop();
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};
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return ConnectionQuality;
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})(); |