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# -*- coding: utf-8 -*-
# MonAMI Asterisk Manger Interface Server
# Asterisk AMI client connector
# (c) AMOOMA GmbH 2012-2013
from threading import Thread, Lock
from log import ldebug, linfo, lwarn, lerror, lcritic
from time import sleep
from traceback import format_exc
from helper import to_hash
import socket
class AsteriskAMIServer(Thread):
def __init__(self, client_socket, address, message_queue):
Thread.__init__(self)
self.runthread = True
self.LINE_SEPARATOR = "\r\n"
self.GREETING_STRING = 'Asterisk Call Manager/1.1'
self.ASTERISK_VERSION_STRING = 'Asterisk 1.6.2.9-2'
self.ASTERISK_CHANNEL_STATES = (
'Down',
'Reserved',
'Offhook',
'Dialing',
'Ring',
'Ringing',
'Up',
'Busy',
'Dialing_Offhook',
'Pprering',
'Mute',
)
self.ASTERISK_PRESENTATION_INDICATOR = (
'Presentation allowed',
'Presentation restricted',
'Number not available due to interworking',
'Reserved',
)
self.ASTERISK_SCREENING_INDICATOR = (
'not screened',
'verified and passed',
'verified and failed',
'Network provided',
)
self.write_lock = Lock()
self.socket = client_socket
self.address = address
self.message_queue = message_queue
def stop(self):
ldebug('thread stop', self)
self.runthread = False
def run(self):
ldebug('starting AMI server thread', self)
data = ''
while self.runthread and self.socket:
try:
recv_buffer = self.socket.recv(128)
except socket.timeout as exception:
# Socket timeout occured
continue
except:
lerror(format_exc(), self)
self.runthread = False
break
if not recv_buffer:
ldebug('client connection lost', self)
break
data += recv_buffer
messages = data.split(self.LINE_SEPARATOR * 2)
data = messages.pop()
for message_str in messages:
if not message_str:
continue
message = to_hash(message_str.split(self.LINE_SEPARATOR))
self.message_queue.appendleft({'type': 'ami_client_message', 'body': message})
ldebug('exiting AMI server thread', self)
def send(self, send_buffer):
try:
self.write_lock.acquire()
self.socket.send(send_buffer)
self.write_lock.release()
return True
except:
return False
def send_message(self, *message):
if len(message) == 1 and type(message[0]) == list:
self.send(self.LINE_SEPARATOR.join(message[0]) + (self.LINE_SEPARATOR * 2))
else:
self.send(self.LINE_SEPARATOR.join(message) + (self.LINE_SEPARATOR * 2))
def send_greeting(self):
self.send_message(self.GREETING_STRING)
def send_message_unknown(self, command):
self.send_message('Response: Error', 'Message: Invalid/unknown command: %s.' % command)
def send_login_ack(self):
self.send_message('Response: Success', 'Message: Authentication accepted')
def send_login_nack(self):
self.send_message('Response: Error', 'Message: Authentication failed')
def send_logout_ack(self):
self.send_message('Response: Goodbye', 'Message: Thank you for flying MonAMI')
def send_pong(self, action_id):
self.send_message('Response: Pong', "ActionID: %s" % str(action_id), 'Server: localhost')
def send_asterisk_version(self, action_id):
self.send_message(
'Response: Follows',
'Privilege: Command',
"ActionID: %s" % str(action_id),
self.ASTERISK_VERSION_STRING,
'--END COMMAND--'
)
def send_hangup_ack(self):
self.send_message('Response: Success', 'Message: Channel Hungup')
def send_originate_ack(self, action_id):
self.send_message('Response: Success', "ActionID: %s" % str(action_id), 'Message: Originate successfully queued')
def send_status_ack(self, action_id):
self.send_message(
'Response: Success',
"ActionID: %s" % str(action_id),
'Message: Channel status will follow'
)
self.send_message(
'Event: StatusComplete',
"ActionID: %s" % action_id,
'Items: 0'
)
def send_extension_state(self, action_id, extension, context = 'default', status = -1, hint = ''):
self.send_message(
'Response: Success',
"ActionID: %s" % str(action_id),
'Message: Extension Status',
'Exten: %s' % extension,
'Context: %s' % context,
'Hint: %s' % hint,
'Status: %d' % status,
)
def send_event_newchannel(self, uuid, channel_name, channel_state, caller_id_number = '', caller_id_name = '', destination_number = ''):
self.send_message(
'Event: Newchannel',
'Privilege: call,all',
'Channel: %s' % str(channel_name),
'ChannelState: %d' % channel_state,
'ChannelStateDesc: %s' % self.ASTERISK_CHANNEL_STATES[channel_state],
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'AccountCode:',
'Exten: %s' % str(destination_number),
'Context: default',
'Uniqueid: %s' % str(uuid),
)
def send_event_newstate(self, uuid, channel_name, channel_state, caller_id_number = '', caller_id_name = ''):
self.send_message(
'Event: Newstate',
'Privilege: call,all',
'Channel: %s' % str(channel_name),
'ChannelState: %d' % channel_state,
'ChannelStateDesc: %s' % self.ASTERISK_CHANNEL_STATES[channel_state],
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'Uniqueid: %s' % str(uuid),
)
def send_event_newcallerid(self, uuid, channel_name, caller_id_number = '', caller_id_name = '', calling_pres = 0):
presentation = self.ASTERISK_PRESENTATION_INDICATOR[calling_pres >> 6]
screening = self.ASTERISK_SCREENING_INDICATOR[calling_pres & 3]
self.send_message(
'Event: NewCallerid',
'Privilege: call,all',
'Channel: %s' % str(channel_name),
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'Uniqueid: %s' % str(uuid),
'CID-CallingPres: %d (%s, %s)' % (calling_pres, presentation, screening),
)
def send_event_hangup(self, uuid, channel_name, caller_id_number = '', caller_id_name = '', cause = 0):
self.send_message(
'Event: Hangup',
'Privilege: call,all',
'Channel: %s' % str(channel_name),
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'Cause: %d' % cause,
'Cause-txt: Unknown',
'Uniqueid: %s' % str(uuid)
)
def send_event_dial_begin(self, uuid, channel_name, caller_id_number, caller_id_name, destination_channel, destination_uuid, destination_number):
self.send_message(
'Event: Dial',
'Privilege: call,all',
'SubEvent: Begin',
"Channel: %s" % str(channel_name),
"Destination: %s" % str(destination_channel),
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'Uniqueid: %s' % str(uuid),
'DestUniqueid: %s' % str(destination_uuid),
'Dialstring: %s@default' % str(destination_number)
)
def send_event_dial_end(self, uuid, channel_name, dial_status = 'UNKNOWN'):
self.send_message(
'Event: Dial',
'Privilege: call,all',
'SubEvent: End',
"Channel: %s" % str(channel_name),
'Uniqueid: %s' % str(uuid),
"DialStatus: %s" % str(dial_status),
)
def send_event_originate_response(self, uuid, channel_name, caller_id_number, caller_id_name, destination_number, action_id, reason):
#reasons:
#0: no such extension or number
#1: no answer
#4: answered
#8: congested or not available
if reason == 4:
response = 'Success'
else:
response = 'Failure'
self.send_message(
'Event: OriginateResponse',
'Privilege: call,all',
'ActionID: %s' % str(action_id),
'Response: %s' % response,
'Channel: %s' % str(channel_name),
'Context: default',
'Exten: %s' % str(destination_number),
'Reason: %d' % reason,
'CallerIDNum: %s' % str(caller_id_number),
'CallerIDName: %s' % str(caller_id_name),
'Uniqueid: %s' % str(uuid),
)
def send_event_bridge(self, uuid, channel_name, caller_id, o_uuid, o_channel_name, o_caller_id):
self.send_message(
'Event: Bridge',
'Privilege: call,all',
'Bridgestate: Link',
'Bridgetype: core',
'Channel1: %s' % str(channel_name),
'Channel2: %s' % str(o_channel_name),
'Uniqueid1: %s' % str(uuid),
'Uniqueid2: %s' % str(o_uuid),
'CallerID1: %s' % str(caller_id),
'CallerID2: %s' % str(o_caller_id),
)
def send_event_newaccountcode(self, uuid, channel_name):
self.send_message(
'Event: NewAccountCode',
'Privilege: call,all',
"Channel: %s" % str(channel_name),
'Uniqueid: %s' % str(uuid),
'AccountCode:',
'OldAccountCode:',
)
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