5d4cd1269b
The MQTT broker URL used as default in the examples has ceased operation. All examples and documention have been updated to point to the new domain mqtt.eclipse.org. This also required an update of the python example test scripts to use TLS 1.2
123 lines
4.4 KiB
Python
123 lines
4.4 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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try:
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import IDF
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except ImportError:
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# this is a test case write with tiny-test-fw.
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# to run test cases outside tiny-test-fw,
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# we need to set environment variable `TEST_FW_PATH`,
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# then get and insert `TEST_FW_PATH` to sys path before import FW module
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test_fw_path = os.getenv("TEST_FW_PATH")
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if test_fw_path and test_fw_path not in sys.path:
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sys.path.insert(0, test_fw_path)
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import IDF
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import DUT
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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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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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payload = msg.payload.decode()
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if not event_client_received_correct.is_set() and payload == "data":
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client.publish("/topic/qos0", "data_to_esp32")
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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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@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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"""
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dut1 = env.get_dut("mqtt_ssl", "examples/protocols/mqtt/ssl")
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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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IDF.log_performance("mqtt_ssl_bin_size", "{}KB"
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.format(bin_size // 1024))
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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.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=data_to_esp32"), timeout=30)
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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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