REST API upgrade

2022-12-14 19:03:49 +05:00
parent 288718779d
commit 39790bdd2a
25 changed files with 1010 additions and 3767 deletions
@@ -0,0 +1,138 @@
+// two bad headers
+// const http_client = require('../../lib/http_client.js')
+// const crypto = require('crypto')
+
+
+// // filesystem
+// const fs = require('fs')
+
+// // node date time
+// const node_time = require('node-datetime')
+// // titles for process creation
+// const titles = require('./titles.json')
+
+const port_alloc = require('../../lib/port_alloc.js')
+const titles = require('../titles.json')
+const configg = require('../config.json')
+const { spawn } = require('node:child_process')
+const child_process = require('child_process')
+const http_client = require('../../lib/http_client.js')
+
+const app_port_begin = configg.session_ports.app_begin
+const http_port_begin = configg.session_ports.http_begin
+const ports_count = configg.session_ports.count
+
+const app_args_static = configg.app_args_static
+const app_args_ip = configg.app_args_runtime.ip
+const server_ip = configg.ip
+const app_args_port = configg.app_args_runtime.port
+
+const webrtc_cirrus_path = configg.webrtc_args_static.cirrus_path
+
+const coordinator_port = configg.coordinator.port
+const coordinator_ip = configg.coordinator.ip
+
+// const http_client = require('../lib/http_client.js')
+
+// SHALL FIX IT IN FUTURE BECAUSE IT IS NOT THE REST API
+var app_port_alloc = new port_alloc(app_port_begin, ports_count)
+var http_port_alloc = new port_alloc(http_port_begin, ports_count)
+
+module.exports.create_session = async (req, res, next) => {
+    //create?title=name&next_var=0
+    try {
+        var app_info
+        titles.forEach((title) => {
+            if (title.title == req.query.title) {
+                app_info = title
+            }
+        })
+        if (!app_info)
+            throw new Error('app info not exists')
+
+        var app_port
+        var http_port
+        try {
+            app_port = app_port_alloc.get()
+            http_port = http_port_alloc.get()
+        } catch(e) {
+            throw new Error(e)
+        }
+        
+        // start app_proc
+        const app_proc = spawn(app_info.path, [].concat(app_args_static, 
+            [app_args_ip + server_ip, app_args_port + app_port.toString()]), {
+                detached: true
+            })
+        app_proc.on('error', function(err) {
+            logger_runtime.error(err)
+            response = {msg:'APP_PROC_ERROR'}
+            callback(response)
+            return
+        })
+        app_proc.on('close', (code) => {
+            app_port_alloc.free(app_port)
+        })
+
+        // start webrtc server
+        const webrtc_proc = child_process.fork(webrtc_cirrus_path, [http_port.toString(), app_port.toString()], {
+                detached: true
+            })
+        webrtc_proc.on('error', function(err) {
+            logger_runtime.error(err)
+            response = {msg:'WEBRTC_PROC_ERROR'}
+            callback(response)
+            return
+        })
+        webrtc_proc.on('close', (code) => {
+            http_port_alloc.free(http_port)
+            // if webrtc server closed, kill app proc and send session end message to server
+            if (process.platform === 'win32') {
+                spawn('taskkill', ['/pid', app_proc.pid, '/f', '/t'])
+            }
+            else {
+                app_proc.kill('SIGINT')
+            }
+            http_client.get({
+                host: coordinator_ip,
+                port: coordinator_port,
+                path: `/session/close?session_id=${req.query.session_id}`
+            }, async function(answer) {
+            }, function(err) {
+                next(Error('session server not working'))
+            })
+            // new http_client(coordinator_ip, coordinator_port).post(
+            //     JSON.stringify({verb:'CLOSE_SESSION', session_id:req.query.session_id}), function(answer) {
+                    
+            //     },
+            //     function(error) {
+
+            //     })
+            
+        })
+        res.json({msg:'SESSION_CREATED', link:`http://${server_ip+':'+http_port}`})
+        // callback(response)
+        // return
+
+        // get request
+        // http_client.get({
+        //     host: free_server.ip,
+        //     port: free_server.port,
+        //     path: `/session/create?title=${req.query.title}&session_id=${session_id}`
+        // }, async function(answer) {
+
+        //     res.json({msg:'SESSION_CREATED', link:answer.link})
+        // }, function(err) {
+        //     next(Error('session server not working'))
+        // })
+    } catch (e) {
+        next(e)
+    }
+}
+
+module.exports.connect_session = async (req, res, next) => {
+    
+}
+
+module.exports.close_session = async (req, res, next) => {
+}