esp-idf/examples/protocols/sockets/scripts/udpclient.py

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# This example code is in the Public Domain (or CC0 licensed, at your option.)
# Unless required by applicable law or agreed to in writing, this
# software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, either express or implied.
# -*- coding: utf-8 -*-
from builtins import input
import socket
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import sys
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# ----------- Config ----------
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PORT = 3333
IP_VERSION = 'IPv4'
IPV4 = '192.168.0.167'
IPV6 = 'FE80::32AE:A4FF:FE80:5288'
# -------------------------------
if IP_VERSION == 'IPv4':
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host = IPV4
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family_addr = socket.AF_INET
elif IP_VERSION == 'IPv6':
host = IPV6
family_addr = socket.AF_INET6
else:
print('IP_VERSION must be IPv4 or IPv6')
sys.exit(1)
try:
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sock = socket.socket(family_addr, socket.SOCK_DGRAM)
except socket.error:
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print('Failed to create socket')
sys.exit()
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while True:
msg = input('Enter message to send : ')
try:
sock.sendto(msg.encode(), (host, PORT))
reply, addr = sock.recvfrom(128)
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if not reply:
break
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print('Reply[' + addr[0] + ':' + str(addr[1]) + '] - ' + str(reply))
except socket.error as msg:
print('Error Code : ' + str(msg[0]) + ' Message: ' + msg[1])
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sys.exit()