import sys import pjsua as pj import socket import time import os import string from time import sleep from datetime import datetime HOST = None PORT = 50020 s = None stop ="false" server = "132.230.4.8" username = "mpselftest2" password = "2mpselftest" LOG_LEVEL=2 current_call = None success = "" number = "" class ServerHandler: def __init__(self,p): self.port = p self.host = None #symbolic name meaning all available interfaces self.s = None self.connected = 0 self.address = "127.0.0.1" #address of the main controller self.onceConnected = 0 self.error = 'No error' def openSocket(self): self.error = 'No error' for res in socket.getaddrinfo(self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE): af, socktype, proto, canonname, sa = res try: self.s = socket.socket(af, socktype, proto) self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) #this resolves the bug with live packets except socket.error, msg: self.s = None self.connected = 0 self.error = str(msg) continue try: self.s.bind(sa) self.s.listen(1) except socket.error, msg: self.s.close() self.s = None self.connected = 0 self.error = str(msg) continue break if self.s is None: self.connected = 0 return 0 else: #accept the connection self.connection, self.address = self.s.accept() self.connected = 1 self.onceConnected = 1 return 1 def connectedTo(self): return self.address def receiveData(self): if self.connected == 1: while 1: data = self.connection.recv(1024) if not data: return 'NO DATA' else: return data else: return 0 def sendData(self, data): if self.connected == 1: self.connection.send(data) return 1 else: return 0 def closeConnection(self): if self.onceConnected == 1: self.connection.close() return 1 else: return 0 def killPort(self): killResult = os.popen('lsof -i tcp:' + str(self.port) + ' | grep "python " | awk -F" " ' + "'{print $2}'").read() killResult = killResult.replace('\n','') print killResult if killResult!='': print killResult killPort = os.popen("kill -9 " + killResult).read() return 1 return 0 # Logging callback def log_cb(level, str, len): print str, "I am here" # Callback to receive events from account class MyAccountCallback(pj.AccountCallback): def __init__(self, account=None): pj.AccountCallback.__init__(self, account) # Notification on incoming call def on_incoming_call(self, call): global current_call global number if current_call: call.answer(486, "Busy") return number = call.info().remote_uri current_call = call call_cb = MyCallCallback(current_call) current_call.set_callback(call_cb) current_call.answer(180) current_call.answer(200) print "accept call" sleep(5) current_call.hangup() # Callback to receive events from Call class MyCallCallback(pj.CallCallback): def __init__(self, call=None): pj.CallCallback.__init__(self, call) # Notification when call state has changed def on_state(self): global current_call if self.call.info().state_text == "CONNECTING": success = "true" server.sendData(success) if self.call.info().state == pj.CallState.DISCONNECTED: current_call = None print 'Current call is', current_call # Notification when call's media state has changed. def on_media_state(self): if self.call.info().media_state == pj.MediaState.ACTIVE: # Connect the call to sound device call_slot = self.call.info().conf_slot pj.Lib.instance().conf_connect(call_slot, 0) pj.Lib.instance().conf_connect(0, call_slot) server.sendData('establish connection') print "Media is now active" else: print "Media is inactive" lib = pj.Lib() try: #open socket connection to the controller server = ServerHandler(50103) tried = server.openSocket() if server.error != 'No error': print server.error if server.error == '[Errno 98] Address already in use': print 'one should try to kill the port' print server.killPort() server.closeConection() lib.init(log_cfg = pj.LogConfig(level=LOG_LEVEL, callback=log_cb)) transport = lib.create_transport(pj.TransportType.UDP, pj.TransportConfig(0)) print "\nListening on", transport.info().host, print "port", transport.info().port, "\n" # Start the library lib.start() lib.set_null_snd_dev() # Create local account acc_cfg = pj.AccountConfig(server, username, password) acc = lib.create_account(acc_cfg, cb=MyAccountCallback()) if acc.info().reg_status < 700: my_sip_uri = "sip:" + transport.info().host + ":" + str(transport.info().port) server.sendData('I am ready')#send message to controller that the handler ready while stop <> "true": data = server.receiveData()#waiting message from controller if data == "terminated": break if current_call == None: continue else: print "Incoming call from :", number sleep(4) # Shutdown the library transport = None acc.delete() acc = None lib.destroy() lib = None server.closeConnection() del server else: Regis_status= "Bad" print "error when register" lib.destroy() lib = None acc = None server.closeConnection() del server except pj.Error, e: print "Exception: " + str(e) lib.destroy() lib = None server.closeConnection() del server