135 lines
5.3 KiB
Python
135 lines
5.3 KiB
Python
from __future__ import print_function
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from __future__ import unicode_literals
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from builtins import str
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import re
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import os
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import sys
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import ssl
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import paho.mqtt.client as mqtt
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from threading import Thread, Event
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from tiny_test_fw import DUT
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import ttfw_idf
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event_client_connected = Event()
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event_stop_client = Event()
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event_client_received_correct = Event()
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event_client_received_binary = Event()
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message_log = ""
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# The callback for when the client receives a CONNACK response from the server.
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def on_connect(client, userdata, flags, rc):
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print("Connected with result code " + str(rc))
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event_client_connected.set()
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client.subscribe("/topic/qos0")
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def mqtt_client_task(client):
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while not event_stop_client.is_set():
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client.loop()
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# The callback for when a PUBLISH message is received from the server.
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def on_message(client, userdata, msg):
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global message_log
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global event_client_received_correct
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global event_client_received_binary
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if msg.topic == "/topic/binary":
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binary = userdata
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size = os.path.getsize(binary)
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print("Receiving binary from esp and comparing with {}, size {}...".format(binary, size))
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with open(binary, "rb") as f:
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bin = f.read()
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if bin == msg.payload[:size]:
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print("...matches!")
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event_client_received_binary.set()
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return
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else:
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recv_binary = binary + ".received"
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with open(recv_binary, "w") as fw:
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fw.write(msg.payload)
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raise ValueError('Received binary (saved as: {}) does not match the original file: {}'.format(recv_binary, binary))
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payload = msg.payload.decode()
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if not event_client_received_correct.is_set() and payload == "data":
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client.subscribe("/topic/binary")
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client.publish("/topic/qos0", "send binary please")
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if msg.topic == "/topic/qos0" and payload == "data":
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event_client_received_correct.set()
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message_log += "Received data:" + msg.topic + " " + payload + "\n"
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@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
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def test_examples_protocol_mqtt_ssl(env, extra_data):
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broker_url = ""
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broker_port = 0
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"""
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steps: |
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1. join AP and connects to ssl broker
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2. Test connects a client to the same broker
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3. Test evaluates python client received correct qos0 message
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4. Test ESP32 client received correct qos0 message
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5. Test python client receives binary data from running partition and compares it with the binary
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"""
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dut1 = env.get_dut("mqtt_ssl", "examples/protocols/mqtt/ssl", 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, "mqtt_ssl.bin")
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance("mqtt_ssl_bin_size", "{}KB"
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.format(bin_size // 1024))
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ttfw_idf.check_performance("mqtt_ssl_size", bin_size // 1024)
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# Look for host:port in sdkconfig
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try:
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value = re.search(r'\:\/\/([^:]+)\:([0-9]+)', dut1.app.get_sdkconfig()["CONFIG_BROKER_URI"])
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broker_url = value.group(1)
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broker_port = int(value.group(2))
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except Exception:
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print('ENV_TEST_FAILURE: Cannot find broker url in sdkconfig')
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raise
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client = None
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# 1. Test connects to a broker
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try:
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client = mqtt.Client()
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client.on_connect = on_connect
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client.on_message = on_message
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client.user_data_set(binary_file)
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client.tls_set(None,
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None,
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None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
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client.tls_insecure_set(True)
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print("Connecting...")
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client.connect(broker_url, broker_port, 60)
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except Exception:
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print("ENV_TEST_FAILURE: Unexpected error while connecting to broker {}: {}:".format(broker_url, sys.exc_info()[0]))
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raise
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# Starting a py-client in a separate thread
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thread1 = Thread(target=mqtt_client_task, args=(client,))
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thread1.start()
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try:
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print("Connecting py-client to broker {}:{}...".format(broker_url, broker_port))
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if not event_client_connected.wait(timeout=30):
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raise ValueError("ENV_TEST_FAILURE: Test script cannot connect to broker: {}".format(broker_url))
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dut1.start_app()
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try:
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ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
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print("Connected to AP with IP: {}".format(ip_address))
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except DUT.ExpectTimeout:
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print('ENV_TEST_FAILURE: Cannot connect to AP')
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raise
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print("Checking py-client received msg published from esp...")
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if not event_client_received_correct.wait(timeout=30):
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raise ValueError('Wrong data received, msg log: {}'.format(message_log))
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print("Checking esp-client received msg published from py-client...")
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dut1.expect(re.compile(r"DATA=send binary please"), timeout=30)
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print("Receiving binary data from running partition...")
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if not event_client_received_binary.wait(timeout=30):
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raise ValueError('Binary not received within timeout')
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finally:
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event_stop_client.set()
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thread1.join()
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if __name__ == '__main__':
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test_examples_protocol_mqtt_ssl()
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