108 lines
3.6 KiB
JavaScript
108 lines
3.6 KiB
JavaScript
const port_alloc = require('../../lib/port_alloc.js')
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const titles = require('../titles.json')
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const config = require('../config.json')
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const { spawn } = require('node:child_process')
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const child_process = require('child_process')
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const http_client = require('../../lib/http_client.js')
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const app_port_begin = config.session_ports.app_begin
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const http_port_begin = config.session_ports.http_begin
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const ports_count = config.session_ports.count
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const app_args_static = config.app_args_static
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const app_args_ip = config.app_args_runtime.ip
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const server_ip = config.external_ip
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const server_port = config.external_port
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const app_args_port = config.app_args_runtime.port
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const webrtc_cirrus_path = config.webrtc_args_static.cirrus_path
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const coordinator_port = config.coordinator.port
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const coordinator_ip = config.coordinator.ip
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// const http_client = require('../lib/http_client.js')
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// SHALL FIX IT IN FUTURE BECAUSE IT IS NOT THE REST API
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var app_port_alloc = new port_alloc(app_port_begin, ports_count)
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var http_port_alloc = new port_alloc(http_port_begin, ports_count)
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// close all own sessions on session server if emergency shutdown
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http_client.get({
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host: coordinator_ip,
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port: coordinator_port,
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path: `/session_server/emergency_shutdown?ip=${server_ip}&port=${server_port}`
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}, async function(answer) {
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}, function(err) {
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//next(Error('session server not working'))
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})
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module.exports.create_session = async (req, res, next) => {
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//create?title=name&next_var=0
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try {
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var app_info
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titles.forEach((title) => {
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if (title.title == req.query.title) {
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app_info = title
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}
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})
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if (!app_info)
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throw new Error('app info not exists')
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var app_port
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var http_port
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try {
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app_port = app_port_alloc.get()
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http_port = http_port_alloc.get()
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} catch(e) {
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throw new Error(e)
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}
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// start app_proc
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const app_proc = spawn(app_info.path, [].concat(app_args_static,
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[app_args_ip + server_ip, app_args_port + app_port.toString()]), {
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detached: true
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})
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app_proc.on('error', function(err) {
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throw new Error('create proc error')
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})
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app_proc.on('close', (code) => {
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app_port_alloc.free(app_port)
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})
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// start webrtc server
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const webrtc_proc = child_process.fork(webrtc_cirrus_path, [http_port.toString(), app_port.toString()], {
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detached: true
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})
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webrtc_proc.on('error', function(err) {
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throw new Error('create webrtc error')
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})
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webrtc_proc.on('close', (code) => {
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http_port_alloc.free(http_port)
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// if webrtc server closed, kill app proc and send session end message to server
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if (process.platform === 'win32') {
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spawn('taskkill', ['/pid', app_proc.pid, '/f', '/t'])
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}
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else {
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app_proc.kill('SIGINT')
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}
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http_client.get({
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host: coordinator_ip,
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port: coordinator_port,
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path: `/session/close?session_id=${req.query.session_id}`
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}, async function(answer) {
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}, function(err) {
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next(Error('session server not working'))
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})
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})
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res.json({msg:'SESSION_CREATED', link:`http://${server_ip+':'+http_port}`})
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} catch (e) {
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next(e)
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}
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}
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module.exports.connect_session = async (req, res, next) => {
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}
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module.exports.close_session = async (req, res, next) => {
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} |