#!/usr/bin/env python
import os
import socket
import uuid
import datetime
[docs]def send_udp_message():
"""send_udp_message
Send a ``UDP`` message to port 80 by default.
Environment variables:
``UDP_SEND_TO_HOST`` - host ip address
``UDP_SEND_TO_PORT`` - send to this UDP port
"""
host = os.getenv(
"UDP_SEND_TO_HOST",
"0.0.0.0").strip().lstrip()
port = int(os.getenv(
"UDP_SEND_TO_PORT",
"17000").strip().lstrip())
need_response = os.getenv("NEED_RESPONSE", "0") == "1"
msg = os.getenv(
"MSG",
"testing UDP msg time={} - {}".format(
datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
uuid.uuid4()))
server_address = (host, port)
client = socket.socket(socket.AF_INET,
socket.SOCK_DGRAM)
print((("sending UDP: "
"address={} msg={}")
.format(server_address,
msg)))
client.sendto(msg.encode(), server_address)
if need_response:
data = client.recv(1024).decode()
print(data)
client.close()
# end of send_udp_message
if __name__ == '__main__':
send_udp_message()