mirror of
https://github.com/espressif/esp-idf.git
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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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import argparse
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import os
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import socket
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DEF_PORT = 3333
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DEF_MESSAGE = 'Data to ESP'
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def udp_client(address: str, port: int, payload: str) -> str:
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for res in socket.getaddrinfo(address, port, socket.AF_UNSPEC,
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socket.SOCK_DGRAM, 0, socket.AI_PASSIVE):
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family_addr, _, _, _, addr = res
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try:
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sock = socket.socket(family_addr, socket.SOCK_DGRAM)
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sock.settimeout(20.0)
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except socket.error as msg:
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print('Could not create socket')
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print(os.strerror(msg.errno))
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raise
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try:
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sock.sendto(payload.encode(), addr)
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reply, addr = sock.recvfrom(128)
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if not reply:
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return ''
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print('Reply[' + addr[0] + ':' + str(addr[1]) + '] - ' + str(reply))
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except socket.timeout:
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print('Socket operation timeout')
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return ''
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except socket.error as msg:
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print('Error while sending or receiving data from the socket')
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print(os.strerror(msg.errno))
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sock.close()
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raise
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return reply.decode()
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def main() -> None:
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parser = argparse.ArgumentParser()
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parser.add_argument('remote_ip', help='UDP server ip address, eg: 192.168.1.1, fe80::2%%eth0')
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parser.add_argument('--port', default=DEF_PORT, type=int, help='UDP server port')
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parser.add_argument('--message', default=DEF_MESSAGE, help='Message to send to the server.')
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args = parser.parse_args()
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print(f'Send message to the server: {args.remote_ip}')
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data = udp_client(args.remote_ip, args.port, args.message)
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print(f'Received From server: {data}')
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if __name__ == '__main__':
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main()
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