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-rw-r--r--Handler/SIPCall.py189
1 files changed, 189 insertions, 0 deletions
diff --git a/Handler/SIPCall.py b/Handler/SIPCall.py
new file mode 100644
index 0000000..45fdca2
--- /dev/null
+++ b/Handler/SIPCall.py
@@ -0,0 +1,189 @@
+import sys
+import pjsua as pj
+import socket
+import time
+import MySQLdb
+import subprocess
+from time import sleep
+from datetime import datetime
+import string
+
+
+
+HOST = None
+PORT = 50099
+s = None
+
+stop ="false"
+server = "132.230.4.8"
+username = "mpselftest1"
+password = "1mpselftest"
+
+LOG_LEVEL=2
+current_call = None
+success = ""
+
+
+
+
+# Logging callback
+def log_cb(level, str, len):
+ print str, "SIP log"
+
+
+# Callback to receive events from account
+class MyAccountCallback(pj.AccountCallback):
+
+ def __init__(self, account=None):
+ pj.AccountCallback.__init__(self, account)
+
+ # Notification on incoming call##
+
+
+
+# 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
+ global success
+
+ if self.call.info().state_text <> "DISCONNCTD":
+ if self.call.info().state_text == "CONNECTING":
+ print "CONNECTING CALL"
+ #print "isine opo:", self.call.info().state_text
+ print "CALL CONFIRMED and ESTABLISH", self.call.info().state_text
+ sleep(5)
+ current_call.hangup()
+ success = "true"
+ connection.send(success)
+ else:
+ sleep(1)
+ #print ""
+
+ if self.call.info().last_reason <> "":
+
+ if self.call.info().last_reason == "Busy Here":
+
+ print "Destination Number is Busy or offline"
+ print ""
+ success = "false"
+ connection.send(success)
+
+
+ #print self.call.info().state_text
+
+ if self.call.info().state == pj.CallState.DISCONNECTED:
+ current_call = None
+ print 'Current call Disconnected'
+
+
+def make_call(uri):
+ try:
+ print "Making call to", uri
+ cb=MyCallCallback()
+ return acc.make_call(uri, cb)
+ except pj.Error, e:
+ print "Exception: " + str(e)
+ return None
+
+
+
+
+lib = pj.Lib()
+while stop <> "true":
+
+
+ for res in socket.getaddrinfo(HOST, PORT, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE):
+ af, socktype, proto, canonname, sa = res
+ try:
+ s = socket.socket(af, socktype, proto)
+ except socket.error, msg:
+ s = None
+ continue
+
+ try:
+ s.bind(sa)
+ s.listen(1)
+ except socket.error, msg:
+ s.close()
+ s = None
+ continue
+ break
+
+ if s is None:
+ print 'could not open socket'
+ sys.exit(1)
+
+
+ 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"
+ lib.start()
+ lib.set_null_snd_dev()
+
+ try:
+ 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)
+
+ connection, addr = s.accept()
+ print 'Connected by', addr
+ connection.send('I am ready')
+
+ while 1:
+ try:
+ data = connection.recv(1024)
+
+ if data == "start":
+
+ while 1:
+
+ num = connection.recv(1024)
+ if num <> "":
+
+ number = "sip:"+num+"@132.230.4.8"
+ current_call = make_call(number)
+ break
+
+ if data == "terminated":
+ stop = "true"
+ break
+
+ except ValueError:
+ print "error when sending message"
+ connection.close()
+
+ connection.close()
+
+
+ else:
+ Regis_status= "Bad"
+ print "error when register"
+
+ lib.destroy()
+ lib = None
+ acc = None
+
+
+ connection.close()
+ except ValueError:
+ print "Exception: " + str(e)
+
+print "Goodbye"
+sleep(3)
+acc.delete()
+lib.destroy()
+connection.close()
+lib = None
+acc = None
+