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101 lines
3.6 KiB
Python
101 lines
3.6 KiB
Python
import os
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import re
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import socket
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import struct
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import sys
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import time
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from threading import Thread
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import ttfw_idf
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from tiny_test_fw import DUT
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msgid = -1
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def get_my_ip():
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s1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s1.connect(('8.8.8.8', 80))
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my_ip = s1.getsockname()[0]
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s1.close()
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return my_ip
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def mqqt_server_sketch(my_ip, port):
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global msgid
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print('Starting the server on {}'.format(my_ip))
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s = None
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try:
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.settimeout(60)
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s.bind((my_ip, port))
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s.listen(1)
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q,addr = s.accept()
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q.settimeout(30)
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print('connection accepted')
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except Exception:
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print('Local server on {}:{} listening/accepting failure: {}'
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'Possibly check permissions or firewall settings'
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'to accept connections on this address'.format(my_ip, port, sys.exc_info()[0]))
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raise
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data = q.recv(1024)
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# check if received initial empty message
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print('received from client {}'.format(data))
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data = bytearray([0x20, 0x02, 0x00, 0x00])
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q.send(data)
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# try to receive qos1
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data = q.recv(1024)
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msgid = struct.unpack('>H', data[15:17])[0]
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print('received from client {}, msgid: {}'.format(data, msgid))
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data = bytearray([0x40, 0x02, data[15], data[16]])
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q.send(data)
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time.sleep(5)
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s.close()
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print('server closed')
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@ttfw_idf.idf_example_test(env_tag='Example_WIFI')
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def test_examples_protocol_mqtt_qos1(env, extra_data):
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global msgid
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"""
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steps: (QoS1: Happy flow)
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1. start the broker broker (with correctly sending ACK)
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2. DUT client connects to a broker and publishes qos1 message
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3. Test evaluates that qos1 message is queued and removed from queued after ACK received
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4. Test the broker received the same message id evaluated in step 3
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"""
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dut1 = env.get_dut('mqtt_tcp', 'examples/protocols/mqtt/tcp', 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_tcp.bin')
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance('mqtt_tcp_bin_size', '{}KB'.format(bin_size // 1024))
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# 1. start mqtt broker sketch
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host_ip = get_my_ip()
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thread1 = Thread(target=mqqt_server_sketch, args=(host_ip,1883))
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thread1.start()
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# 2. start the dut test and wait till client gets IP address
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dut1.start_app()
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# waiting for getting the IP address
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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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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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print('writing to device: {}'.format('mqtt://' + host_ip + '\n'))
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dut1.write('mqtt://' + host_ip + '\n')
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thread1.join()
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print('Message id received from server: {}'.format(msgid))
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# 3. check the message id was enqueued and then deleted
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msgid_enqueued = dut1.expect(re.compile(r'OUTBOX: ENQUEUE msgid=([0-9]+)'), timeout=30)
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msgid_deleted = dut1.expect(re.compile(r'OUTBOX: DELETED msgid=([0-9]+)'), timeout=30)
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# 4. check the msgid of received data are the same as that of enqueued and deleted from outbox
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if (msgid_enqueued[0] == str(msgid) and msgid_deleted[0] == str(msgid)):
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print('PASS: Received correct msg id')
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else:
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print('Failure!')
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raise ValueError('Mismatch of msgid: received: {}, enqueued {}, deleted {}'.format(msgid, msgid_enqueued, msgid_deleted))
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if __name__ == '__main__':
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test_examples_protocol_mqtt_qos1()
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