5f4e2cf391
dut.expect() returns groups of a matching regex, but could be truncated upon reading/buffering. fixed by forcing expect to acquire exactly 8 octets of IPv6 address, i.e. not supporting short-handed entries such as fe80::0000..
88 lines
2.9 KiB
Python
88 lines
2.9 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
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from __future__ import unicode_literals
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import os
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import sys
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import re
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import socket
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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 udp_client(address, payload):
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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, socktype, proto, canonname, addr = res
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try:
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sock = socket.socket(family_addr, socket.SOCK_DGRAM)
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except socket.error as msg:
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print('Could not create socket: ' + str(msg[0]) + ': ' + msg[1])
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raise
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try:
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sock.sendto(payload, 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.error as msg:
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print('Error Code : ' + str(msg[0]) + ' Message: ' + msg[1])
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sock.close()
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raise
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return reply
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@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
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def test_examples_protocol_socket(env, extra_data):
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MESSAGE = "Data to ESP"
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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_server", "examples/protocols/sockets/udp_server", 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_server.bin")
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance("udp_server_bin_size", "{}KB".format(bin_size // 1024))
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ttfw_idf.check_performance("udp_server_bin_size", bin_size // 1024, dut1.TARGET)
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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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received = udp_client(ipv4, MESSAGE)
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if not received == MESSAGE:
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raise
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dut1.expect(MESSAGE)
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# test IPv6
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received = udp_client("{}%{}".format(ipv6, INTERFACE), MESSAGE)
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if not received == MESSAGE:
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raise
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dut1.expect(MESSAGE)
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if __name__ == '__main__':
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if sys.argv[2:]: # if two arguments provided:
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# Usage: example_test.py <server_address> <message_to_send_to_server>
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udp_client(sys.argv[1], sys.argv[2])
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else: # otherwise run standard example test as in the CI
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test_examples_protocol_socket()
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