mirror of
https://github.com/espressif/esp-idf.git
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125 lines
4.3 KiB
Python
125 lines
4.3 KiB
Python
# This example code is in the Public Domain (or CC0 licensed, at your option.)
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# Unless required by applicable law or agreed to in writing, this
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# software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied.
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# -*- coding: utf-8 -*-
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from __future__ import print_function, unicode_literals
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import os
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import re
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import socket
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import sys
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from builtins import input
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from threading import Event, Thread
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import netifaces
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import ttfw_idf
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# ----------- Config ----------
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PORT = 3333
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INTERFACE = 'eth0'
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# -------------------------------
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def get_my_ip(type):
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for i in netifaces.ifaddresses(INTERFACE)[type]:
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return i['addr'].replace('%{}'.format(INTERFACE), '')
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class UdpServer:
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def __init__(self, port, family_addr, persist=False):
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self.port = port
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self.family_addr = family_addr
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self.socket = socket.socket(family_addr, socket.SOCK_DGRAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.socket.settimeout(60.0)
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self.shutdown = Event()
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self.persist = persist
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def __enter__(self):
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try:
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self.socket.bind(('', self.port))
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except socket.error as e:
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print('Bind failed:{}'.format(e))
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raise
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print('Starting server on port={} family_addr={}'.format(self.port, self.family_addr))
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self.server_thread = Thread(target=self.run_server)
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self.server_thread.start()
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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if self.persist:
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sock = socket.socket(self.family_addr, socket.SOCK_DGRAM)
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sock.sendto(b'Stop', ('localhost', self.port))
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sock.close()
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self.shutdown.set()
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self.server_thread.join()
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self.socket.close()
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def run_server(self):
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while not self.shutdown.is_set():
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try:
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data, addr = self.socket.recvfrom(1024)
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if not data:
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return
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data = data.decode()
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print('Reply[' + addr[0] + ':' + str(addr[1]) + '] - ' + data)
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reply = 'OK: ' + data
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self.socket.sendto(reply.encode(), addr)
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except socket.error as e:
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print('Running server failed:{}'.format(e))
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raise
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if not self.persist:
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break
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@ttfw_idf.idf_example_test(env_tag='Example_WIFI')
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def test_examples_protocol_socket_udpclient(env, extra_data):
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"""
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steps:
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1. join AP
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2. have the board connect to the server
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3. send and receive data
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"""
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dut1 = env.get_dut('udp_client', 'examples/protocols/sockets/udp_client', dut_class=ttfw_idf.ESP32DUT)
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# check and log bin size
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binary_file = os.path.join(dut1.app.binary_path, 'udp_client.bin')
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance('udp_client_bin_size', '{}KB'.format(bin_size // 1024))
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# start test
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dut1.start_app()
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ipv4 = dut1.expect(re.compile(r' IPv4 address: ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)'), timeout=30)[0]
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ipv6_r = r':'.join((r'[0-9a-fA-F]{4}',) * 8) # expect all 8 octets from IPv6 (assumes it's printed in the long form)
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ipv6 = dut1.expect(re.compile(r' IPv6 address: ({})'.format(ipv6_r)), timeout=30)[0]
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print('Connected with IPv4={} and IPv6={}'.format(ipv4, ipv6))
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# test IPv4
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with UdpServer(PORT, socket.AF_INET):
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server_ip = get_my_ip(netifaces.AF_INET)
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print('Connect udp client to server IP={}'.format(server_ip))
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dut1.write(server_ip)
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dut1.expect(re.compile(r'OK: Message from ESP32'))
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# test IPv6
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with UdpServer(PORT, socket.AF_INET6):
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server_ip = get_my_ip(netifaces.AF_INET6)
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print('Connect udp client to server IP={}'.format(server_ip))
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dut1.write(server_ip)
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dut1.expect(re.compile(r'OK: Message from ESP32'))
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if __name__ == '__main__':
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if sys.argv[1:] and sys.argv[1].startswith('IPv'): # if additional arguments provided:
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# Usage: example_test.py <IPv4|IPv6>
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family_addr = socket.AF_INET6 if sys.argv[1] == 'IPv6' else socket.AF_INET
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with UdpServer(PORT, family_addr, persist=True) as s:
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print(input('Press Enter stop the server...'))
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else:
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test_examples_protocol_socket_udpclient()
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