voice-gateway/voip/gateway.py

#!/usr/bin/env python3
# encoding:utf-8

import json
import ESL
import threading
import socketserver
from http.server import BaseHTTPRequestHandler
from http.server import HTTPServer


class InboundClient:

    def __init__(self):
        self.is_stopping = False
        self.con = ESL.ESLconnection('localhost', '8021', '4918257983818884358')

    def start(self):
        if self.con.connected():
            print('inbound esl connected ... ')
            self.con.events('plain', 'all')
            while not self.is_stopping:
                e = self.con.recvEvent()
                if e:
                    print(json.loads(e.serialize('json')))
                    # print(e.serialize('json'))
                event_name = e.getHeader("Event-Name")
                if event_name == "CHANNEL_PARK":
                    # 获取通话的 UUID
                    call_uuid = e.getHeader("Unique-ID")
                    print(f"Incoming call with UUID: {call_uuid}")

                    self.con.execute("bridge", "user/1001", call_uuid)

                    destination = "user/1001"
                    # msg = ESL.ESLevent("sendmsg", call_uuid)
                    # msg.addHeader("call-command", "execute")
                    # msg.addHeader("execute-app-name", "bridge")
                    # msg.addHeader("execute-app-arg", destination)
                    # msg.addHeader("execute-app-arg", destination)
                    # # 发送消息以执行 bridge 操作
                    # self.con.sendEvent(msg)
                    print(f"Call {call_uuid} is bridged to {destination}")

    def stop(self):
        self.is_stopping = True


class OutboundClient:

    @staticmethod
    def ack(esl, con):
        info = con.getInfo()
        print(json.loads(info.serialize('json')))
        event_name = info.getHeader("Event-Name")
        uuid = info.getHeader("unique-id")
        print(uuid, event_name)

        # destination = "user/1001"
        # msg = ESL.ESLevent("sendmsg", uuid)
        # msg.addHeader("call-command", "execute")
        # msg.addHeader("execute-app-name", "bridge")
        # msg.addHeader("execute-app-arg", destination)
        # # 发送消息以执行 bridge 操作
        # con.sendEvent(msg)
        # print(f"Call {uuid} is bridged to {destination}")

        # con.execute("park", "", uuid)
        con.execute("bridge", "user/1001", uuid)

        # con.execute("answer", "", uuid)
        # con.execute("playback", "/Users/davidliu/sip/pjproject/voip/test111.wav", uuid)

        con.disconnect()

    class ESLRequestHandler(socketserver.BaseRequestHandler):

        def setup(self):
            print(self.client_address, 'connected!')
            fd = self.request.fileno()
            print('0000', fd)
            con = ESL.ESLconnection(fd)
            print('Connected: ', con.connected())
            if con.connected():
                threading.Thread(target=self.ack, args=(con, )).start()

            else:
                print("Failed to connect to FreeSWITCH")

        def ack(self, con):
            OutboundClient.ack(self, con)

    def start(self, HOST= '0.0.0.0', PORT=8084):
        # HOST, PORT = "0.0.0.0", 8084

        # 创建一个 TCP 服务器
        with socketserver.ThreadingTCPServer((HOST, PORT), self.ESLRequestHandler) as server:
            print(f"ESL server listening on {HOST}:{PORT}")
            server.serve_forever()


def main():
    on = InboundClient()
    # out = OutboundClient()
    # threading.Thread(target=out.start, args=()).start()
    threading.Thread(target=on.start, args=()).start()

if __name__ == '__main__':
    main()