sfu creation added

config.js

@@ -10,6 +10,7 @@ module.exports = {
     session_limit: parseInt(process.env.SESSION_LIMIT),
     log_path: "./logs/runtime.log",
     webrtc_server_path: process.env.WEBRTC_SERVER_PATH,
+    sfu_server_path: process.env.SFU_SERVER_PATH,
     app_args: {
         runtime: {
             port: "-PixelStreamingPort="

src/controller/session.js

@@ -3,7 +3,7 @@ const {get_webrtc_port, get_app_port, get_sfu_port} = require('../modules/port_a
 const {get_app_path} = require('../modules/titles')
 const not_found_error = require('../../lib/src/http/errors/not_found_error')
 const server_error = require('../../lib/src/http/errors/server_error')
-const {run_webrtc, run_app, kill_proc} = require('../modules/run_process')
+const {run_webrtc, run_app, run_sfu, kill_proc} = require('../modules/run_process')
 const {create_websocket_url} = require('../modules/links')
 const {port} = require('../../config')
 
@@ -47,8 +47,16 @@ const run_session = async (req, res, next) => {
         return
     }
 
+    let sfu_pid = await run_sfu(sfu_port)
+    if (!sfu_pid) {
+        kill_proc(app_pid)
+        kill_proc(webrtc_pid)
+        next(new server_error('can not run sfu'))
+        return
+    }
 
-    let add_runnning_session_result = await database.add_running_session(session_id, title, app_pid, webrtc_pid, app_port, webrtc_port, sfu_port)
+
+    let add_runnning_session_result = await database.add_running_session(session_id, title, app_pid, webrtc_pid, sfu_pid, app_port, webrtc_port, sfu_port)
 
     if(!add_runnning_session_result) {
         next(new server_error('can not add session to database'))

src/database/database.js

@@ -20,7 +20,7 @@ const get_db = async () => {
     }
 }
 
-const add_running_session = async (session_id, title, app_pid, webrtc_pid, app_port, webrtc_port, sfu_port) => {
+const add_running_session = async (session_id, title, app_pid, webrtc_pid, sfu_pid, app_port, webrtc_port, sfu_port) => {
     let db = await get_db()
     if (!db) {
         return false
@@ -33,6 +33,7 @@ const add_running_session = async (session_id, title, app_pid, webrtc_pid, app_p
         title: title,
         app_pid: app_pid,
         webrtc_pid: webrtc_pid,
+        sfu_pid: sfu_pid,
         app_port: app_port,
         webrtc_port: webrtc_port,
         sfu_port: sfu_port,

src/modules/run_process.js

@@ -2,6 +2,7 @@ const {spawn, fork} = require('node:child_process')
 const is_running = require('is-running')
 const config = require('../../config')
 const webrtc_server_path = config.webrtc_server_path
+const sfu_server_path = config.sfu_server_path
 const app_args_static = config.app_args.static
 const app_port_arg = config.app_args.runtime.port
 const fs = require('fs')
@@ -76,6 +77,28 @@ const run_app = async (app_path, app_port) => {
 
 }
 
+const run_sfu = async (sfu_port) => {
+    if (!fs.existsSync(sfu_server_path)) {
+        return null
+    }
+
+    let sfu_proc
+    try {
+        let sfu_proc_arg = JSON.stringify({sfu_port:sfu_port})
+        sfu_proc = fork(sfu_server_path, [sfu_proc_arg], {
+            detached: true
+        })
+        //await tcp_port_used.waitUntilUsed(webrtc_port, webrtc_retry_time, webrtc_timeout)
+    } catch (err) {
+        console.error(err)
+        return null
+    }
+
+    //let proc_status = await is_proc_running_async(webrtc_proc.pid, 500)
+    
+    return (sfu_proc) ? sfu_proc.pid : null
+}
+
 const kill_proc = (pid) => {
     if (!is_proc_running(pid)) {
         return
@@ -96,6 +119,7 @@ const kill_proc = (pid) => {
 module.exports = {
     run_webrtc,
     run_app,
+    run_sfu,
     is_proc_running,
     is_proc_running_async,
     kill_proc

src/modules/session_observer.js

@@ -35,6 +35,7 @@ const check_sessions = async (sessions) => {
             // kill process if running
             kill_proc(session.webrtc_pid)
             kill_proc(session.app_pid)
+            kill_proc(session.sfu_pid)
             // free ports allocated for processes
             free_webrtc_port(session.webrtc_port)
             free_app_port(session.app_port)

tests/config.js

@@ -58,6 +58,11 @@ const test_config = () => {
         config_pass = false
     }
 
+    if (!config.sfu_server_path) {
+        not_valid('sfu_server_path')
+        config_pass = false
+    }
+
     if (config.webrtc_server_path) {
         if (!fs.existsSync(config.webrtc_server_path)) {
             not_valid('wbertc_server_path exists in config BUT not in the filesystem (file not exists)')