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__main__.py
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__main__.py
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#!/usr/bin/env python
##
## This file is part of the OpenSIPS Python Package
## (see https://github.com/OpenSIPS/python-opensips).
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
##
""" OpenSIPS Event script """
import sys
import json
import time
import signal
import argparse
from opensips.mi import OpenSIPSMI
from opensips.event import OpenSIPSEvent, OpenSIPSEventException
parser = argparse.ArgumentParser()
communication = parser.add_argument_group('communication')
communication.add_argument('-t', '--type',
type=str,
default='fifo',
choices=['fifo', 'http', 'datagram'],
help='OpenSIPS MI Communication Type')
communication.add_argument('-i', '--ip',
type=str,
help='OpenSIPS MI IP Address',
default='127.0.0.1')
communication.add_argument('-p', '--port',
type=int,
help='OpenSIPS MI Port',
default=8888)
communication.add_argument('-f', '--fifo-file',
metavar='FIFO_FILE',
type=str,
help='OpenSIPS MI FIFO File')
communication.add_argument('-fb', '--fifo-fallback',
metavar='FIFO_FALLBACK_FILE',
type=str,
help='OpenSIPS MI Fallback FIFO File')
communication.add_argument('-fd', '--fifo-reply-dir',
metavar='FIFO_DIR',
type=str,
help='OpenSIPS MI FIFO Reply Directory')
event = parser.add_argument_group('event')
event.add_argument('event',
type=str,
help='OpenSIPS Event Name')
event.add_argument('-T', '--transport',
type=str,
choices=['datagram', 'stream'],
help='OpenSIPS Event Transport',
default='datagram')
event.add_argument('-li', '--listen-ip',
type=str,
help='OpenSIPS Event Listen IP Address',
default='0.0.0.0')
event.add_argument('-lp', '--listen-port',
type=int,
help='OpenSIPS Event Listen Port',
default=0)
event.add_argument('-e', '--expire',
type=int,
help='OpenSIPS Event Expire Time',
default=None)
def main():
""" Main function of the opensips-event script """
args = parser.parse_args()
if args.type == 'fifo':
fifo_args = {}
if args.fifo_file:
fifo_args['fifo_file'] = args.fifo_file
if args.fifo_fallback:
fifo_args['fifo_file_fallback'] = args.fifo_fallback
if args.fifo_reply_dir:
fifo_args['fifo_reply_dir'] = args.fifo_reply_dir
mi = OpenSIPSMI('fifo', **fifo_args)
elif args.type == 'http':
mi = OpenSIPSMI('http', url=f'http://{args.ip}:{args.port}/mi')
elif args.type == 'datagram':
mi = OpenSIPSMI('datagram', datagram_ip=args.ip, datagram_port=args.port)
else:
print(f'Unknownt type: {args.type}')
sys.exit(1)
ev = OpenSIPSEvent(mi, args.transport, ip=args.listen_ip, port=args.listen_port)
def event_handler(message):
""" Event handler callback """
try:
message_json = json.loads(message.decode('utf-8'))
print(json.dumps(message_json, indent=4))
except json.JSONDecodeError as e:
print(f"Failed to decode JSON: {e}")
def timer(*_):
""" Timer to notify when the event expires """
ev.unsubscribe(args.event)
sys.exit(0) # successful
if args.expire:
signal.signal(signal.SIGALRM, timer)
signal.alarm(args.expire)
signal.signal(signal.SIGINT, timer)
signal.signal(signal.SIGTERM, timer)
try:
ev.subscribe(args.event, event_handler, expire=args.expire)
except OpenSIPSEventException as e:
print(e)
sys.exit(1)
while True:
time.sleep(1)
if __name__ == "__main__":
main()