initial commit

backend/baresip.mjs

@@ -0,0 +1,103 @@
+import p from 'path'
+import split2 from 'split2'
+import { Readable } from 'streamx'
+import { spawn } from 'child_process'
+import { fileURLToPath } from 'url';
+
+import BaresipWrapper from './lib/baresip-wrapper.mjs'
+
+const __dirname = p.dirname(fileURLToPath(import.meta.url))
+
+import { action, STREAM_STATUS, LOG_MESSAGE } from './state.mjs'
+
+export class Baresip {
+  constructor (opts = {}) {
+    this.command = opts.command || 'baresip'
+    this.config = opts.config || p.join(__dirname, '..', 'etc', 'baresip')
+    this.stream = new Readable()
+    this.log = []
+    this.stream.on('data', row => this.log.push(row))
+    this.id = 'baresip'
+    this.destinationNumber = opts.destination || 901
+  }
+
+  restart () {
+    if (!this.baresip) return this.start()
+    this.stop(() => {
+      process.nextTick(() => {
+        this.start()
+      })
+    })
+  }
+
+  stop (cb) {
+    // this.process.kill()
+    if (!this.baresip) return
+    this.baresip.kill(() => {
+      this.stream.push(action(STREAM_STATUS, { id: this.id, status: 'stopped' }))
+      if (cb) cb()
+    })
+  }
+
+  _onready () {
+    console.log('baresip onready')
+  }
+
+  _oncallestablished (number) {
+    console.log('call established to', number)
+    this.stream.push(action(STREAM_STATUS, { id: this.id, status: 'started' }))
+  }
+
+  _onhangup (number) {
+    console.log('remote hangup', number)
+    this.stream.push(action(STREAM_STATUS, { id: this.id, status: 'stopped' }))
+  }
+
+  _onserverconnected (...args) {
+    console.log('onserverconnected', args)
+    setTimeout(() => {
+      this.baresip.dial(this.destinationNumber)
+    }, 1000)
+  }
+
+  start () {
+    const args = ['-f', this.config]
+    this.baresip = new BaresipWrapper({
+      command: this.command,
+      args,
+      callbacks: {
+        ready: this._onready.bind(this),
+        hangUp: this._onhangup.bind(this),
+        callEstablished: this._oncallestablished.bind(this),
+        serverConnected: this._onserverconnected.bind(this)
+      }
+    })
+    this.baresip.stream.on('data', message => {
+      // console.log('BARESIP', message)
+      this.stream.push(action(LOG_MESSAGE, { id: this.id, type: 'stdout', message }))
+    })
+    this.baresip.connect()
+    // if (this.process) return
+    // const args = ['-c', this.config, '-v', this.logLevel]
+    // this.process = spawn(this.command, args)
+    // this.process.stdout.pipe(split2()).on('data', message => {
+    //   this.stream.push(action(LOG_MESSAGE, { id: this.id, type: 'stdout', message }))
+    //   // this.stream.push({ type: 'stdout', data })
+    // })
+    // this.process.stderr.pipe(split2()).on('data', message => {
+    //   this.stream.push(action(LOG_MESSAGE, { id: this.id, type: 'stdout', message }))
+    //   // this.stream.push({ type: 'stderr', data })
+    // })
+
+    // this.process.on('close', () => {
+    //   this.stream.push(action(STREAM_STATUS, { id: this.id, status: 'stopped' }))
+    //   this.process = null
+    // })
+
+    // this.stream.push(action(STREAM_STATUS, { id: this.id, status: 'started' }))
+
+    // return new Promise((resolve, reject) => {
+    //   resolve()
+    // })
+  }
+}