23345d2021
added docs and tests for mqtt library, small fixes (removed warnings, option for custom outbox, websocket bug fixed for longer transports). refactored to use common tcp_transport component, support for CMake build system. Closes #2108
133 lines
4.6 KiB
Python
133 lines
4.6 KiB
Python
import re
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import os
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import sys
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import time
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import socket
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import imp
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import ssl
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use_mqtt_client_sketch = False
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try:
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imp.find_module('paho')
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import paho.mqtt.client as mqtt
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# Make things with supposed existing module
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except ImportError:
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use_mqtt_client_sketch = True
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pass
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global g_recv_topic
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global g_recv_data
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g_recv_data=""
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# This is only a workaround for running mqtt client with 'hardcoded' data using plain socket interface
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def mqtt_client_sketch():
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global g_recv_topic
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global g_recv_data
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connect_msg = bytearray([0x10, 0x0c, 00, 0x04, 0x4d, 0x51, 0x54, 0x54, 0x04, 0x02, 00, 0x3c, 00, 00])
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send_qos0_msg = bytearray([ 0x30, 0x1a, 0x00, 0x0b, 0x2f, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x2f, 0x71, 0x6f, 0x73, 0x30, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x74, 0x6f, 0x5f, 0x65, 0x73, 0x70, 0x33, 0x32])
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subscribe_qos0 = bytearray([ 0x82, 0x10, 0x00, 0x01, 0x00, 0x0b, 0x2f, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x2f, 0x71, 0x6f, 0x73, 0x30, 0x00] )
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client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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client.settimeout(30)
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cli = ssl.wrap_socket(client)
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cli.connect(("iot.eclipse.org", 8883))
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cli.send(connect_msg)
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data = cli.recv(1024)
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print("Connect ack received {}".format(data))
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cli.send(subscribe_qos0)
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data = cli.recv(1024)
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print("Subscibe ack received {}".format(data))
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start = time.time()
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while (time.time() - start) <= 20:
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data = cli.recv(1024)
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print("Data received {}".format(data[-17:]))
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if data[-15:] == "/topic/qos0data":
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g_recv_topic = data[-15:][:11]
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g_recv_data = data[-4:]
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cli.send(send_qos0_msg)
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data = cli.recv(1024)
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print("data ack received {}".format(data))
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break
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cli.close()
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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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client.subscribe("/topic/qos0")
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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 g_recv_topic
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global g_recv_data
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if g_recv_data == "" and msg.payload == "data":
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client.publish("/topic/qos0", "data_to_esp32")
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g_recv_topic = msg.topic
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g_recv_data = msg.payload
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print(msg.topic+" "+str(msg.payload))
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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 TinyFW
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import IDF
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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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global g_recv_topic
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global g_recv_data
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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".format(bin_size//1024))
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IDF.check_performance("mqtt_ssl_size", bin_size//1024)
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# 1. start test
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dut1.start_app()
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# 2. Test connects to a broker
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if use_mqtt_client_sketch:
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mqtt_client_sketch()
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else:
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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, ciphers=None)
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client.tls_insecure_set(True)
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print "Connecting..."
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client.connect("iot.eclipse.org", 8883, 60)
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print "...done"
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print "Start Looping..."
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start = time.time()
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while (time.time() - start) <= 20:
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client.loop()
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print "...done"
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# 3. check the message received back from the server
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if g_recv_topic == "/topic/qos0" and g_recv_data == "data" :
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print("PASS: Received correct message")
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else:
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print("Failure!")
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raise ValueError('Wrong data received topic: {}, data:{}'.format(g_recv_topic, g_recv_data))
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# 4. check that the esp32 client received data sent by this python client
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dut1.expect(re.compile(r"DATA=data_to_esp32"), timeout=30)
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if __name__ == '__main__':
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test_examples_protocol_mqtt_ssl()
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