126 lines
4.1 KiB
Python
126 lines
4.1 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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from builtins import input
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import os
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import re
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import sys
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import netifaces
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import socket
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from threading import Thread, Event
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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 TcpServer:
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def __init__(self, port, family_addr, persist=False):
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self.port = port
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self.socket = socket.socket(family_addr, socket.SOCK_STREAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.socket.settimeout(10.0)
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self.shutdown = Event()
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self.persist = persist
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self.family_addr = family_addr
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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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self.socket.listen(1)
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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_STREAM)
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sock.connect(('localhost', self.port))
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sock.sendall(b'Stop', )
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sock.close()
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self.shutdown.set()
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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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conn, address = self.socket.accept() # accept new connection
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print("Connection from: {}".format(address))
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conn.setblocking(1)
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data = conn.recv(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('Received data: ' + data)
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reply = 'OK: ' + data
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conn.send(reply.encode())
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conn.close()
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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(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("tcp_client", "examples/protocols/sockets/tcp_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, "tcp_client.bin")
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance("tcp_client_bin_size", "{}KB".format(bin_size // 1024))
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ttfw_idf.check_performance("tcp_client_bin_size", bin_size // 1024, dut1.TARGET)
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# start test
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dut1.start_app()
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data = dut1.expect(re.compile(r" IPv4 address: ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)"), timeout=30)
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print("Connected with IPv4: {}".format(data[0]))
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# test IPv4
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with TcpServer(PORT, socket.AF_INET):
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dut1.write(get_my_ip(netifaces.AF_INET))
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dut1.expect(re.compile(r"OK: Message from ESP32"))
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# test IPv6
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with TcpServer(PORT, socket.AF_INET6):
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dut1.write(get_my_ip(netifaces.AF_INET6))
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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 TcpServer(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()
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