kopia lustrzana https://github.com/espressif/esp-idf
193 wiersze
7.6 KiB
Python
193 wiersze
7.6 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2021 Espressif Systems (Shanghai) CO LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import division, print_function, unicode_literals
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import os
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import re
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import threading
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import time
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from types import TracebackType
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from typing import Any, Optional
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import tiny_test_fw
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import ttfw_idf
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import websocket
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from tiny_test_fw import Utility
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OPCODE_TEXT = 0x1
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OPCODE_BIN = 0x2
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OPCODE_PING = 0x9
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OPCODE_PONG = 0xa
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CORRECT_ASYNC_DATA = 'Hello client'
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class WsClient:
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def __init__(self, ip, port, ca_file): # type: (str, int, str) -> None
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self.port = port
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self.ip = ip
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sslopt = {'ca_certs':ca_file, 'check_hostname': False}
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self.ws = websocket.WebSocket(sslopt=sslopt)
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# Set timeout to 10 seconds to avoid conection failure at the time of handshake
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self.ws.settimeout(10)
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def __enter__(self): # type: ignore
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self.ws.connect('wss://{}:{}/ws'.format(self.ip, self.port))
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return self
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def __exit__(self, exc_type, exc_value, traceback): # type: (type, RuntimeError, TracebackType) -> None
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self.ws.close()
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def read(self): # type: () -> Any
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return self.ws.recv_data(control_frame=True)
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def write(self, data, opcode=OPCODE_TEXT): # type: (str, int) -> Any
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if opcode == OPCODE_PING:
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return self.ws.ping(data)
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if opcode == OPCODE_PONG:
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return self.ws.pong(data)
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return self.ws.send(data)
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class wss_client_thread(threading.Thread):
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def __init__(self, ip, port, ca_file): # type: (str, int, str) -> None
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threading.Thread.__init__(self)
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self.ip = ip
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self.port = port
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self.ca_file = ca_file
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self.start_time = time.time()
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self.exc = None
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self.data = 'Espressif'
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self.async_response = False
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def run(self): # type: () -> None
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with WsClient(self.ip, self.port, self.ca_file) as ws:
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while True:
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try:
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opcode, data = ws.read()
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data = data.decode('UTF-8')
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if opcode == OPCODE_PING:
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ws.write(data=self.data, opcode=OPCODE_PONG)
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if opcode == OPCODE_TEXT:
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if data == CORRECT_ASYNC_DATA:
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self.async_response = True
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Utility.console_log('Thread {} obtained correct async message'.format(self.name))
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# Keep sending pong to update the keepalive in the server
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if (time.time() - self.start_time) > 20:
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break
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except Exception as e:
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Utility.console_log('Failed to connect to the client and read async data')
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self.exc = e # type: ignore
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if self.async_response is not True:
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self.exc = RuntimeError('Failed to obtain correct async data') # type: ignore
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def join(self, timeout=0): # type:(Optional[float]) -> None
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threading.Thread.join(self)
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if self.exc:
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raise self.exc
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def test_multiple_client_keep_alive_and_async_response(ip, port, ca_file): # type: (str, int, str) -> None
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threads = []
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for _ in range(3):
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try:
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thread = wss_client_thread(ip, port, ca_file)
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thread.start()
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threads.append(thread)
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except OSError:
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Utility.console_log('Error: unable to start thread')
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# keep delay of 5 seconds between two connections to avoid handshake timeout
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time.sleep(5)
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for t in threads:
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t.join()
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@ttfw_idf.idf_example_test(env_tag='Example_WIFI_Protocols')
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def test_examples_protocol_https_wss_server(env, extra_data): # type: (tiny_test_fw.Env.Env, None) -> None # pylint: disable=unused-argument
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# Acquire DUT
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dut1 = env.get_dut('https_server', 'examples/protocols/https_server/wss_server', dut_class=ttfw_idf.ESP32DUT)
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# Get binary file
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binary_file = os.path.join(dut1.app.binary_path, 'wss_server.bin')
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance('https_wss_server_bin_size', '{}KB'.format(bin_size // 1024))
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# Upload binary and start testing
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Utility.console_log('Starting wss_server test app')
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dut1.start_app()
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# Parse IP address of STA
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got_port = dut1.expect(re.compile(r'Server listening on port (\d+)'), timeout=60)[0]
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Utility.console_log('Waiting to connect with AP')
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got_ip = dut1.expect(re.compile(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)'), timeout=60)[0]
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Utility.console_log('Got IP : ' + got_ip)
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Utility.console_log('Got Port : ' + got_port)
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ca_file = os.path.join(os.path.dirname(__file__), 'main', 'certs', 'cacert.pem')
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# Start ws server test
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with WsClient(got_ip, int(got_port), ca_file) as ws:
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# Check for echo
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DATA = 'Espressif'
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dut1.expect('performing session handshake')
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client_fd = dut1.expect(re.compile(r'New client connected (\d+)'), timeout=20)[0]
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ws.write(data=DATA, opcode=OPCODE_TEXT)
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dut1.expect(re.compile(r'Received packet with message: {}'.format(DATA)))
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opcode, data = ws.read()
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data = data.decode('UTF-8')
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if data != DATA:
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raise RuntimeError('Failed to receive the correct echo response')
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Utility.console_log('Correct echo response obtained from the wss server')
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# Test for keepalive
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Utility.console_log('Testing for keep alive (approx time = 20s)')
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start_time = time.time()
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while True:
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try:
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opcode, data = ws.read()
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if opcode == OPCODE_PING:
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ws.write(data='Espressif', opcode=OPCODE_PONG)
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Utility.console_log('Received PING, replying PONG (to update the keepalive)')
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# Keep sending pong to update the keepalive in the server
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if (time.time() - start_time) > 20:
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break
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except Exception:
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Utility.console_log('Failed the test for keep alive,\nthe client got abruptly disconnected')
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raise
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# keepalive timeout is 10 seconds so do not respond for (10 + 1) senconds
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Utility.console_log('Testing if client is disconnected if it does not respond for 10s i.e. keep_alive timeout (approx time = 11s)')
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try:
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dut1.expect('Client not alive, closing fd {}'.format(client_fd), timeout=20)
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dut1.expect('Client disconnected {}'.format(client_fd))
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except Exception:
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Utility.console_log('ENV_ERROR:Failed the test for keep alive,\nthe connection was not closed after timeout')
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time.sleep(11)
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Utility.console_log('Passed the test for keep alive')
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# Test keep alive and async response for multiple simultaneous client connections
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Utility.console_log('Testing for multiple simultaneous client connections (approx time = 30s)')
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test_multiple_client_keep_alive_and_async_response(got_ip, int(got_port), ca_file)
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Utility.console_log('Passed the test for multiple simultaneous client connections')
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if __name__ == '__main__':
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test_examples_protocol_https_wss_server() # pylint: disable=no-value-for-parameter
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