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kurento_pipelines
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package-lock.json
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"resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
"integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
}
}
}
}
},
"ws": {
"version": "0.4.32",
"resolved": "https://registry.npmjs.org/ws/-/ws-0.4.32.tgz",
"integrity": "sha1-eHphVEFPPJntg8V3IVOyD+sM7DI=",
"requires": {
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"nan": "1.0.0",
"options": "0.0.6",
"tinycolor": "0.0.1"
},
"dependencies": {
"commander": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/commander/-/commander-2.1.0.tgz",
"integrity": "sha1-0SG7roYNmZKj1Re6lvVliOR8Z4E="
},
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"resolved": "https://registry.npmjs.org/nan/-/nan-1.0.0.tgz",
"integrity": "sha1-riT4hQgY1mL8q1rPfzuVv6oszzg="
},
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"version": "0.0.6",
"resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
"integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
},
"tinycolor": {
"version": "0.0.1",
"resolved": "https://registry.npmjs.org/tinycolor/-/tinycolor-0.0.1.tgz",
"integrity": "sha1-MgtaUtg6u1l42Bo+iH1K77FaYWQ="
}
}
}
}
},
"promise": {
"version": "7.0.2",
"resolved": "https://registry.npmjs.org/promise/-/promise-7.0.2.tgz",
"integrity": "sha1-rO8B/BZ1DUn9W1uNiFNHlZEPxiU=",
"requires": {
"asap": "2.0.6"
},
"dependencies": {
"asap": {
"version": "2.0.6",
"resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
"integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
}
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"version": "0.0.4",
"resolved": "https://registry.npmjs.org/promisecallback/-/promisecallback-0.0.4.tgz",
"integrity": "sha1-uTTxPATkQ2IrTWbeTkLqX2zmbnQ="
},
"reconnect-ws": {
"version": "git://github.com/kurentoforks/reconnect-ws.git#7fb7020e3ca1ffeaaa8bb4ddd690cf28c8d02a2b",
"requires": {
"reconnect-core": "git://github.com/kurentoforks/reconnect-core.git#921d43e91578abb2fb2613f585c010c1939cf734",
"websocket-stream": "0.5.1"
},
"dependencies": {
"reconnect-core": {
"version": "git://github.com/kurentoforks/reconnect-core.git#921d43e91578abb2fb2613f585c010c1939cf734",
"requires": {
"backoff": "2.3.0"
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"integrity": "sha1-7nx+OAk/kuRyhZ22NedlJFT8Ieo="
}
}
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"integrity": "sha1-YizR8FZvuEzgpNb4VFJvPcTXDkg=",
"requires": {
"isbuffer": "0.0.0",
"through": "2.3.8",
"ws": "0.4.32"
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"resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
"integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
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"integrity": "sha1-MgtaUtg6u1l42Bo+iH1K77FaYWQ="
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"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
"integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
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"uuid": {
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"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
"integrity": "sha1-PdPT55Crwk17DToDT/q6vijrvAQ="
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"version": "1.0.1",
"resolved": "https://registry.npmjs.org/ws/-/ws-1.0.1.tgz",
"integrity": "sha1-fQsqLljN3YGQOcKcneZQReGzEOk=",
"requires": {
"options": "0.0.6",
"ultron": "1.0.2"
},
"dependencies": {
"options": {
"version": "0.0.6",
"resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
"integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
},
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"resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
"integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po="
}
}
}
}
}
Raw
package.json
{
"name": "kurento-hello-world",
"version": "6.6.1",
"private": true,
"dependencies": {
"cookie-parser": "^1.3.5",
"express": "~4.12.4",
"express-session": "~1.10.3",
"minimist": "^1.1.1",
"ws": "~1.0.1",
"kurento-client": "6.6.0",
"uuid": "*"
},
"devDependencies": {
"bower": "^1.4.1"
}
}
Raw
server.js
/*
* (C) Copyright 2014-2015 Kurento (http://kurento.org/)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
var path = require('path');
var url = require('url');
var cookieParser = require('cookie-parser')
var express = require('express');
var session = require('express-session')
var minimist = require('minimist');
var ws = require('ws');
var kurento = require('kurento-client');
var fs = require('fs');
var https = require('https');
var argv = minimist(process.argv.slice(1), {
default: {
ws_uri: 'ws://127.0.0.1:8888/kurento'
}
});
/*
* Definition of global variables.
*/
var kurentoClient = null;
var serverManager = null;
var mediaPipelines = {};
var endpointsCount = 0;
function formatFloat(n) {
return +n.toFixed(3);
}
getKurentoClient(function (error, kurentoClient) {
kurentoClient.getServerManager(function (error, server) {
if (error) {
console.log("getServerManager failed: " + error);
return;
}
serverManager = server;
getInfo(serverManager, function (error) {
if (error) {
return;
}
// console.log(JSON.stringify(mediaPipelines, null, 4));
// process.exit(0);
var staleEndpoints = 0;
var stalePipelines = 0;
var staleRtp = 0;
var staleWebrtc = 0;
var info = { "audio": {}, "video": {} };
["audio", "video"].forEach(function(media) {
info[media]["duplex"] = 0;
info[media]["rtp"] = 0;
info[media]["webrtc"] = 0;
["inbound", "outbound"].forEach(function(direction) {
info[media][direction] = 0;
info[media][direction + "PacketsLostRateList"] = [];
info[media][direction + "SumPacketsLost"] = 0;
info[media][direction + "AvgPacketsLostRate"] = 0;
info[media][direction + "MaxPacketsLostRate"] = 0;
info[media][direction + "JitterList"] = [];
info[media][direction + "AvgJitter"] = 0;
info[media][direction + "MaxJitter"] = 0;
});
});
for (var pipelineId in mediaPipelines) {
var pipeline = mediaPipelines[pipelineId];
var itemStaleEndpoint = 0;
for (var mediaEndpointId in pipeline.endpoints) {
var mediaEndpoint = pipeline.endpoints[mediaEndpointId];
var rtp = false;
var webrtc = false;
if (mediaEndpointId.indexOf("kurento.RtpEndpoint") != -1) {
rtp = true;
} else if (mediaEndpointId.indexOf("kurento.WebRtcEndpoint") != -1) {
webrtc = true;
}
var inbound = false;
var outbound = false;
["audio", "video"].every(function(media, index) {
for (var key in mediaEndpoint[media].stats) {
if (mediaEndpoint[media].stats[key].type == "outboundrtp" && mediaEndpoint[media].stats[key].bytesSent > 0) {
outbound = true;
if (mediaEndpoint[media].stats[key].hasOwnProperty("packetsLost")) {
info[media].outboundSumPacketsLost += mediaEndpoint[media].stats[key].packetsLost;
if (mediaEndpoint[media].stats[key].hasOwnProperty("packetsSent")) {
info[media].outboundPacketsLostRateList.push(mediaEndpoint[media].stats[key].packetsLost / (mediaEndpoint[media].stats[key].packetsLost + mediaEndpoint[media].stats[key].packetsSent));
}
}
if (mediaEndpoint[media].stats[key].hasOwnProperty("jitter")) {
info[media].outboundJitterList.push(mediaEndpoint[media].stats[key].jitter);
}
}
if (mediaEndpoint[media].stats[key].type == "inboundrtp" && mediaEndpoint[media].stats[key].bytesReceived > 0) {
inbound = true;
if (mediaEndpoint[media].stats[key].hasOwnProperty("packetsLost")) {
info[media].inboundSumPacketsLost += mediaEndpoint[media].stats[key].packetsLost;
if (mediaEndpoint[media].stats[key].hasOwnProperty("packetsReceived")) {
info[media].inboundPacketsLostRateList.push(mediaEndpoint[media].stats[key].packetsLost / (mediaEndpoint[media].stats[key].packetsLost + mediaEndpoint[media].stats[key].packetsReceived));
}
}
if (mediaEndpoint[media].stats[key].hasOwnProperty("jitter")) {
info[media].inboundJitterList.push(mediaEndpoint[media].stats[key].jitter);
}
}
}
if (inbound) {
if (outbound) {
info[media].duplex++;
} else {
info[media].inbound++;
}
} else {
if (outbound) {
info[media].outbound++;
} else {
}
}
if (inbound || outbound) {
if (rtp) {
info[media].rtp++;
} else if (webrtc) {
info[media].webrtc++;
}
return false;
}
return true;
})
if (! inbound && ! outbound) {
if (rtp) {
staleRtp++;
} else if (webrtc) {
staleWebrtc++;
}
itemStaleEndpoint++;
}
// if (mediaEndpoint.stale == true) {
// itemStaleEndpoint++;
// }
}
staleEndpoints += itemStaleEndpoint;
if (Object.keys(pipeline.endpoints).length == itemStaleEndpoint) {
stalePipelines++;
}
}
// console.log(JSON.stringify(info, null, 4));
var output = "pipelines: " + Object.keys(mediaPipelines).length
+ ", endpoints: " + endpointsCount
+ ", stale_pipelines: " + stalePipelines
+ ", stale_endpoints: " + staleEndpoints
+ ", stale_endpoints_rtp: " + staleRtp
+ ", stale_endpoints_webrtc: " + staleWebrtc;
["audio", "video"].forEach(function(media) {
output += "\n" + media + "_endpoints: " + (info[media].inbound + info[media].outbound + info[media].duplex);
output += ", " + media + "_duplex_endpoints: " + info[media].duplex;
output += ", " + media + "_inbound_endpoints: " + info[media].inbound;
if (info[media].inboundPacketsLostRateList.length > 0) {
let inboundSumPacketsLostRate = info[media].inboundPacketsLostRateList.reduce((previous, current) => current += previous);
let inboundAvgPacketsLostRate = info[media].inboundSumPacketsLostRate / info[media].inboundPacketsLostRateList.length;
let inboundMaxPacketsLostRate = Math.max.apply(null, info[media].inboundPacketsLostRateList);
output += ", " + media + "_inbound_avg_packet_loss_rate: " + formatFloat(info[media].inboundAvgPacketsLostRate)
+ ", " + media + "_inbound_max_packet_loss_rate: " + formatFloat(info[media].inboundMaxPacketsLostRate)
+ ", " + media + "_inbound_sum_packet_loss: " + info[media].inboundSumPacketsLost;
}
if (info[media].inboundJitterList.length > 0) {
let inboundSumJitter = info[media].inboundJitterList.reduce((previous, current) => current += previous);
let inboundAvgJitter = info[media].inboundSumJitter / info[media].inboundJitterList.length;
let inboundMaxJitter = Math.max.apply(null, info[media].inboundJitterList);
output += ", " + media + "_inbound_avg_jitter: " + formatFloat(info[media].inboundAvgJitter)
+ ", " + media + "_inbound_max_jitter: " + formatFloat(info[media].inboundMaxJitter);
}
output += ", " + media + "_outbound_endpoints: " + info[media].outbound;
if (info[media].outboundPacketsLostRateList.length > 0) {
let outboundSumPacketsLostRate = info[media].outboundPacketsLostRateList.reduce((previous, current) => current += previous);
let outboundAvgPacketsLostRate = info[media].outboundSumPacketsLostRate / info[media].outboundPacketsLostRateList.length;
let outboundMaxPacketsLostRate = Math.max.apply(null, info[media].outboundPacketsLostRateList);
output += ", " + media + "_outbound_avg_packet_loss_rate: " + formatFloat(info[media].outboundAvgPacketsLostRate)
+ ", " + media + "_outbound_max_packet_loss_rate: " + formatFloat(info[media].outboundMaxPacketsLostRate)
+ ", " + media + "_outbound_sum_packet_loss: " + info[media].outboundSumPacketsLost;
}
if (info[media].outboundJitterList.length > 0) {
let outboundSumJitter = info[media].outboundJitterList.reduce((previous, current) => current += previous);
let outboundAvgJitter = info[media].outboundSumJitter / info[media].outboundJitterList.length;
let outboundMaxJitter = Math.max.apply(null, info[media].outboundJitterList);
output += ", " + media + "_outbound_avg_jitter: " + formatFloat(info[media].outboundAvgJitter)
+ ", " + media + "_outbound_max_jitter: " + formatFloat(info[media].outboundMaxJitter);
}
output += ", " + media + "_rtp_endpoints: " + info[media].rtp;
output += ", " + media + "_webrtc_endpoints: " + info[media].webrtc;
});
console.log(output);
process.exit(0);
});
});
});
/*
* Definition of functions
*/
// Recover kurentoClient for the first time.
function getKurentoClient(callback) {
if (kurentoClient !== null) {
return callback(null, kurentoClient);
}
kurento(argv.ws_uri, function (error, _kurentoClient) {
if (error) {
console.log("Could not find media server at address " + argv.ws_uri);
return callback("Could not find media server at address" + argv.ws_uri
+ ". Exiting with error " + error);
}
kurentoClient = _kurentoClient;
callback(null, kurentoClient);
});
}
function getInfo(server, callback) {
if (!server) {
return callback('error - failed to find server');
}
server.getInfo(function (error, serverInfo) {
if (error) {
return callback(error);
}
getPipelinesInfo(server, callback);
})
}
function getAllFuncs(obj) {
var props = [];
do {
props = props.concat(Object.getOwnPropertyNames(obj));
} while (obj = Object.getPrototypeOf(obj));
return props.filter(function(elem, pos) {
return props.indexOf(elem) == pos;
}).sort();
}
function getPipelinesInfo(server, callback) {
if (!server) {
return callback('error - failed to find server');
}
server.getPipelines(function (error, pipelines) {
if (error) {
return callback(error);
}
if (pipelines && (pipelines.length < 1)) {
return callback(null);
}
var counter = 0;
var promises = [];
var firstPromises = [];
pipelines.forEach(function (p, index, array) {
mediaPipelines[p.id] = { "endpoints": {} };
firstPromises.push(setLatencyStats(p, mediaPipelines[p.id]));
firstPromises.push(getCreationTime(p, mediaPipelines[p.id]));
// console.log("===> " + JSON.stringify(getAllFuncs(p), null, 4));
// console.log("===> " + p.getCreationTime());
p.getChildren(function (error, elements) {
endpointsCount += elements.length;
mediaPipelines[p.id].hasPlayer = elements.length > 1;
elements.forEach(function (me, index, array) {
mediaPipelines[p.id].endpoints[me.id] = { "video": {}, "audio": {} };
promises.push(getCreationTime(me, mediaPipelines[p.id].endpoints[me.id]));
promises.push(isFlowingIn(me, "VIDEO", mediaPipelines[p.id].endpoints[me.id].video));
promises.push(isFlowingIn(me, "AUDIO", mediaPipelines[p.id].endpoints[me.id].audio));
promises.push(isFlowingOut(me, "VIDEO", mediaPipelines[p.id].endpoints[me.id].video));
promises.push(isFlowingOut(me, "AUDIO", mediaPipelines[p.id].endpoints[me.id].audio));
promises.push(getStats(me, "VIDEO", mediaPipelines[p.id].endpoints[me.id].video));
promises.push(getStats(me, "AUDIO", mediaPipelines[p.id].endpoints[me.id].audio));
promises.push(getMediaState(me, mediaPipelines[p.id].endpoints[me.id]));
})
counter++;
if (counter == pipelines.length) {
var rejectPromise = function(error) {
return callback(error);
}
Promise.all(firstPromises).then(function(value) {
Promise.all(promises).then(function(value) {
return callback();
}, rejectPromise);
}, rejectPromise);
}
})
})
})
}
var setLatencyStats = function(pipeline, obj) {
var promise = new Promise(function(resolve, reject) {
pipeline.setLatencyStats(true, function (error) {
if (error) {
reject(error);
} else {
resolve();
}
});
});
return promise;
}
var getCreationTime = function(element, obj) {
var promise = new Promise(function(resolve, reject) {
element.getCreationTime(function (error, result) {
if (error) {
reject(error);
} else {
// var t = new Date(result * 1000);
// var formatted = t.toISOString();
// console.log(formatted);
obj.creationTime = result;
resolve();
}
});
});
return promise;
}
var isFlowingIn = function(mediaElement, media, obj) {
var promise = new Promise(function(resolve, reject) {
mediaElement.isMediaFlowingIn(media, function (error, result) {
if (error) {
reject(error);
} else {
obj.mediaFlowingIn = result;
resolve();
}
});
});
return promise;
}
var isFlowingOut = function(mediaElement, media, obj) {
var promise = new Promise(function(resolve, reject) {
mediaElement.isMediaFlowingOut(media, function (error, result) {
if (error) {
reject(error);
} else {
obj.mediaFlowingOut = result;
resolve();
}
});
});
return promise;
}
var getStats = function(mediaElement, media, obj) {
var promise = new Promise(function(resolve, reject) {
mediaElement.getStats(media, function (error, result) {
if (error) {
reject(error);
} else {
obj.stats = result;
resolve();
}
});
});
return promise;
}
var getMediaState = function(mediaElement, obj) {
var promise = new Promise(function(resolve, reject) {
mediaElement.getMediaState(function (error, result) {
if (error) {
reject(error);
} else {
obj.stale = result == "DISCONNECTED";
resolve();
}
});
});
return promise;
}
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