├── receiver ├── config.json ├── package.json └── app.js ├── caller ├── routes │ ├── users.js │ └── index.js ├── config.json ├── package.json └── app.js ├── README.md └── LICENSE /receiver/config.json: -------------------------------------------------------------------------------- 1 | { 2 | "_comment": "Please update the parameters below with your own ones", 3 | "port": 3030, 4 | "key": "1e06725f825882d0636caa877c1bcf368c8fabad", 5 | "timeout": 5000 6 | } 7 | -------------------------------------------------------------------------------- /caller/routes/users.js: -------------------------------------------------------------------------------- 1 | var express = require('express'); 2 | var router = express.Router(); 3 | 4 | /* GET users listing. */ 5 | router.get('/', function(req, res, next) { 6 | res.send('respond with a resource'); 7 | }); 8 | 9 | module.exports = router; 10 | -------------------------------------------------------------------------------- /caller/config.json: -------------------------------------------------------------------------------- 1 | { 2 | "_comment": "Please update the parameters below with your own ones", 3 | "edge_address": "YYY.XXX.XXX.XXX", 4 | "edge_stats_address": "XXX.YYY.XXX.XXX", 5 | "edge_stats_port": 3030, 6 | "path": "/stat", 7 | "timer": 1000, 8 | "load_balancer_address": "127.0.0.1", 9 | "load_balancer_port": 3030, 10 | "load_balancer_key": "1e06725f825882d0636caa877c1bcf368c8fabad" 11 | } 12 | -------------------------------------------------------------------------------- /receiver/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "receiver", 3 | "version": "0.0.0", 4 | "private": true, 5 | "scripts": { 6 | "start": "node ./bin/www" 7 | }, 8 | "dependencies": { 9 | "body-parser": "~1.12.4", 10 | "cookie-parser": "~1.3.5", 11 | "debug": "~2.2.0", 12 | "express": "~4.12.4", 13 | "jade": "~1.9.2", 14 | "morgan": "~1.5.3", 15 | "socket.io": "^1.3.5" 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /caller/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "caller", 3 | "version": "0.0.0", 4 | "private": true, 5 | "scripts": { 6 | "start": "node ./bin/www" 7 | }, 8 | "dependencies": { 9 | "app-root-path": "^1.0.0", 10 | "body-parser": "~1.12.4", 11 | "cookie-parser": "~1.3.5", 12 | "debug": "~2.2.0", 13 | "express": "~4.12.4", 14 | "jade": "~1.9.2", 15 | "morgan": "~1.5.3", 16 | "requestify": "^0.1.17", 17 | "serve-favicon": "~2.2.1", 18 | "socket.io": "^1.3.5", 19 | "socket.io-client": "^1.3.5", 20 | "xml2js": "^0.4.9" 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # nodejs-nginx-rtmp-balancer 2 | A NodeJS loadbalancing system for Nginx-rtmp 3 | 4 | Release Notes 1.1: 5 | - Better Performance 6 | - Now using websockets to comunicate 7 | - Better overall stability and realibility 8 | 9 | Youtube video: http://youtu.be/cGJlcR3Qf9A 10 | 11 | Install: 12 | 13 | - Clone the repo to your machine; 14 | - Open the module folder you want, caller or receiver and do ``` npm install ``` 15 | - Then just do ``` node app.js ``` 16 | 17 | Note: If you want to run it in background use screen, ``` screen -dmS node node app.js ```, and then hit ``` ctrl+a+d ``` to get out of window. 18 | 19 | 20 | Configuration: 21 | 22 | - Now in both modules all the configurations are saved in a unique file called ``` config.json ``` 23 | 24 | TODO: 25 | - Support PM2; 26 | -------------------------------------------------------------------------------- /caller/routes/index.js: -------------------------------------------------------------------------------- 1 | var express = require('express'); 2 | var router = express.Router(); 3 | var xml2js = require('xml2js'); 4 | var http = require('http'); 5 | var net = require('net'); 6 | 7 | /* 8 | var options = { 9 | host: '127.0.0.1', //host 10 | port: 8080, //port 11 | path: '/stat' //url 12 | //auth: 'username:password' 13 | }; 14 | 15 | var timer = 500; 16 | 17 | router.get('/', function(req, res, next) { 18 | 19 | callback = function(response) { 20 | var str = ''; 21 | response.on('data', function(chunk) { 22 | str += chunk; 23 | }); 24 | 25 | response.on('end', function() { 26 | var parser = new xml2js.Parser(); 27 | parser.parseString(str, function(err, result) { 28 | var nClients = { 29 | clients: result.rtmp.server[0].application[0].live[0].nclients[0] 30 | }; 31 | console.log(nClients); 32 | }); 33 | }); 34 | }; 35 | 36 | 37 | setInterval(function() { 38 | var requ = http.request(options, callback); 39 | requ.end(); 40 | requ.removeListener('data', callback); 41 | requ.removeListener('end', callback); 42 | }, timer); 43 | });*/ 44 | 45 | 46 | 47 | module.exports = router; 48 | -------------------------------------------------------------------------------- /caller/app.js: -------------------------------------------------------------------------------- 1 | /* Copyrights Deluxor 2015 */ 2 | var express = require('express'); 3 | var path = require('path'); 4 | var logger = require('morgan'); 5 | var cookieParser = require('cookie-parser'); 6 | var bodyParser = require('body-parser'); 7 | var appRoot = require('app-root-path'); 8 | 9 | var xml2js = require('xml2js'); 10 | var http = require('http'); 11 | var net = require('net'); 12 | var fs = require("fs"); 13 | var requestify = require('requestify'); 14 | var router = express.Router(); 15 | 16 | var app = express(); 17 | 18 | var configuration = JSON.parse( 19 | fs.readFileSync("config.json") 20 | ); 21 | 22 | var options = { 23 | host: configuration.edge_stats_address, //host 24 | port: configuration.edge_stats_port, //port 25 | path: configuration.path, //url 26 | //auth: 'username:password' 27 | }; 28 | var timer = 0; 29 | if (configuration.timer < 500) { 30 | timer = 500; 31 | } else { 32 | timer = configuration.timer; 33 | } 34 | var balancer = configuration.load_balancer_address; 35 | var balancerPort = configuration.load_balancer_port; 36 | var app = express(); 37 | 38 | var ioClient = require("socket.io-client")('http://' + configuration.load_balancer_address + ':' + configuration.load_balancer_port); 39 | 40 | var packet; 41 | 42 | var Clock = { 43 | totalSeconds: 0, 44 | 45 | start: function () { 46 | var self = this; 47 | 48 | this.interval = setInterval(function () { 49 | self.totalSeconds += 1; 50 | 51 | var requ = http.request(options, callback); 52 | requ.end(); 53 | //Remove listeners to avoid memory leaks 54 | requ.removeListener('data', callback); 55 | requ.removeListener('end', callback); 56 | 57 | }, timer); 58 | }, 59 | 60 | pause: function () { 61 | clearInterval(this.interval); 62 | delete this.interval; 63 | }, 64 | 65 | resume: function () { 66 | if (!this.interval) this.start(); 67 | } 68 | }; 69 | 70 | Clock.start(); 71 | 72 | //Callback of the stat request and packet sending! 73 | 74 | callback = function (response) { 75 | var str = ''; 76 | response.on('data', function (chunk) { 77 | str += chunk; 78 | }); 79 | 80 | response.on('end', function () { 81 | var parser = new xml2js.Parser(); 82 | parser.parseString(str, function (err, result) { 83 | packet = { 84 | edge: { 85 | ip: configuration.edge_address, 86 | uptime: result.rtmp.uptime[0], 87 | accepted: result.rtmp.naccepted[0], 88 | bandwidth_in: result.rtmp.bw_in[0], 89 | total_traffic_in: result.rtmp.bytes_in[0], 90 | bandwidth_out: result.rtmp.bw_out[0], 91 | total_traffic_out: result.rtmp.bytes_out[0], 92 | clients: result.rtmp.server[0].application[0].live[0].nclients[0] 93 | }, 94 | security: { 95 | key: configuration.load_balancer_key 96 | } 97 | }; 98 | 99 | //send update packet containing the edge object 100 | ioClient.emit('sendserver', packet); 101 | }); 102 | 103 | 104 | } 105 | ) 106 | ; 107 | } 108 | ; 109 | 110 | //Inform client that the update was successful 111 | 112 | ioClient.on('serverUpdated', function (data) { 113 | data.timestamp = Date.now(); 114 | console.log(data); 115 | }); 116 | 117 | //Inform client that has been disconnected 118 | ioClient.on('disconnect', function () { 119 | console.log("DISCONNECTED FROM LOADBALANCER SERVER"); 120 | Clock.pause(); 121 | }); 122 | 123 | //Inform client that has been connected 124 | ioClient.on('connect', function () { 125 | console.log('CONNECTED TO LOADBALANCER SERVER!'); 126 | Clock.resume(); 127 | }); 128 | 129 | 130 | module.exports = app; 131 | -------------------------------------------------------------------------------- /receiver/app.js: -------------------------------------------------------------------------------- 1 | var express = require('express'); 2 | var path = require('path'); 3 | var logger = require('morgan'); 4 | var cookieParser = require('cookie-parser'); 5 | var bodyParser = require('body-parser'); 6 | var fs = require("fs"); 7 | var configuration = JSON.parse( 8 | fs.readFileSync("config.json") 9 | ); 10 | 11 | var http = require('http'); 12 | var app = express(); 13 | 14 | var router = express.Router(); 15 | 16 | var edge = []; 17 | 18 | //Some logic made by me to handle the arrays 19 | 20 | Array.prototype.inArray = function (comparer, element) { 21 | for (var i = 0; i < this.length; i++) { 22 | if (comparer(this[i])) { 23 | this.splice(i, 1, element); 24 | return true; 25 | } 26 | } 27 | return false; 28 | }; 29 | 30 | Array.prototype.pushIfNotExist = function (element, comparer) { 31 | if (!this.inArray(comparer, element)) { 32 | this.unshift(element); 33 | } 34 | }; 35 | 36 | Array.prototype.max = function () { 37 | return Math.max.apply(null, this); 38 | }; 39 | 40 | Array.prototype.min = function () { 41 | return Math.min.apply(null, this); 42 | }; 43 | 44 | //App sets 45 | 46 | var port = normalizePort(process.env.PORT || configuration.port); 47 | app.set('port', port); 48 | 49 | app.use(logger('dev')); 50 | app.use(bodyParser.json()); 51 | app.use(bodyParser.urlencoded({ 52 | extended: false 53 | })); 54 | app.use(cookieParser()); 55 | app.use(express.static(path.join(__dirname, 'public'))); 56 | 57 | app.use('/', router); 58 | 59 | // catch 404 and forward to error handler 60 | app.use(function (req, res, next) { 61 | var err = new Error('Not Found'); 62 | err.status = 404; 63 | next(err); 64 | }); 65 | 66 | // development error handler 67 | // will print stacktrace 68 | if (app.get('env') === 'development') { 69 | app.use(function (err, req, res, next) { 70 | res.status(err.status || 500); 71 | res.render('error', { 72 | message: err.message, 73 | error: err 74 | }); 75 | }); 76 | } 77 | 78 | // production error handler 79 | // no stacktraces leaked to user 80 | app.use(function (err, req, res, next) { 81 | res.status(err.status || 500); 82 | res.render('error', { 83 | message: err.message, 84 | error: {} 85 | }); 86 | }); 87 | 88 | function normalizePort(val) { 89 | var port = parseInt(val, 10); 90 | 91 | if (isNaN(port)) { 92 | // named pipe 93 | return val; 94 | } 95 | 96 | if (port >= 0) { 97 | // port number 98 | return port; 99 | } 100 | 101 | return false; 102 | } 103 | 104 | //Socket initialization / Network 105 | 106 | var server = http.createServer(app); 107 | var io = require('socket.io')(server); 108 | server.listen(port); 109 | 110 | io.on('connection', function (socket) { 111 | socket.on('sendserver', function (packet) { 112 | if (packet.security.key === configuration.key) { 113 | packet.edge.timestamp = Date.now(); 114 | console.log(packet.edge); 115 | edge.pushIfNotExist(packet.edge, function (e) { 116 | return e.ip === packet.edge.ip; //check if the server already exists in the array! 117 | }); 118 | socket.emit('serverUpdated', {updated: 'OK'}); 119 | } else { 120 | socket.emit('serverUpdated', {updated: 'FAIL -> Security Key Invalid'}); 121 | } 122 | }); 123 | }); 124 | 125 | //Define routes here 126 | 127 | router.get('/servers', function (req, res, next) { 128 | 129 | var obj = edge; 130 | 131 | for (var i = 0; i < obj.length; i++) { 132 | if ((Date.now() - obj[i].timestamp) <= configuration.timeout) { //if a server is more than 5 seconds without updating gets flagged as OFFLINE! 133 | obj[i].status = 'ONLINE'; 134 | } else { 135 | obj[i].status = 'OFFLINE'; 136 | } 137 | 138 | obj[i].last_update = new Date(obj[i].timestamp); 139 | } 140 | 141 | res.status(200).json(obj); 142 | }); 143 | 144 | router.get('/freeserver', function (req, res, next) { 145 | 146 | var freeServer; 147 | var minimum = 0; 148 | 149 | minimum = parseInt(edge[0].clients, 10); 150 | 151 | for (var i = 0; i < edge.length; i++) { 152 | var clients = parseInt(edge[i].clients, 10); 153 | 154 | if (clients <= minimum) { 155 | minimum = clients; 156 | freeServer = edge[i]; 157 | } 158 | } 159 | 160 | res.status(200).json({ 161 | ip: freeServer.ip 162 | }); 163 | }); 164 | 165 | module.exports = app; 166 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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Many people have made 220 | generous contributions to the wide range of software distributed 221 | through that system in reliance on consistent application of that 222 | system; it is up to the author/donor to decide if he or she is willing 223 | to distribute software through any other system and a licensee cannot 224 | impose that choice. 225 | 226 | This section is intended to make thoroughly clear what is believed to 227 | be a consequence of the rest of this License. 228 | 229 | 8. If the distribution and/or use of the Program is restricted in 230 | certain countries either by patents or by copyrighted interfaces, the 231 | original copyright holder who places the Program under this License 232 | may add an explicit geographical distribution limitation excluding 233 | those countries, so that distribution is permitted only in or among 234 | countries not thus excluded. In such case, this License incorporates 235 | the limitation as if written in the body of this License. 236 | 237 | 9. The Free Software Foundation may publish revised and/or new versions 238 | of the General Public License from time to time. Such new versions will 239 | be similar in spirit to the present version, but may differ in detail to 240 | address new problems or concerns. 241 | 242 | Each version is given a distinguishing version number. If the Program 243 | specifies a version number of this License which applies to it and "any 244 | later version", you have the option of following the terms and conditions 245 | either of that version or of any later version published by the Free 246 | Software Foundation. If the Program does not specify a version number of 247 | this License, you may choose any version ever published by the Free Software 248 | Foundation. 249 | 250 | 10. If you wish to incorporate parts of the Program into other free 251 | programs whose distribution conditions are different, write to the author 252 | to ask for permission. For software which is copyrighted by the Free 253 | Software Foundation, write to the Free Software Foundation; we sometimes 254 | make exceptions for this. Our decision will be guided by the two goals 255 | of preserving the free status of all derivatives of our free software and 256 | of promoting the sharing and reuse of software generally. 257 | 258 | NO WARRANTY 259 | 260 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 261 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 262 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 263 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 264 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 265 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 271 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 272 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 273 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 274 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 275 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 276 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 277 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 278 | POSSIBILITY OF SUCH DAMAGES. 279 | 280 | END OF TERMS AND CONDITIONS 281 | 282 | How to Apply These Terms to Your New Programs 283 | 284 | If you develop a new program, and you want it to be of the greatest 285 | possible use to the public, the best way to achieve this is to make it 286 | free software which everyone can redistribute and change under these terms. 287 | 288 | To do so, attach the following notices to the program. It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | {description} 294 | Copyright (C) {year} {fullname} 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | {signature of Ty Coon}, 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | 341 | --------------------------------------------------------------------------------