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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
#include "mqtt_interoperability_test.h"
#include "nxd_mqtt_client.h"
#ifdef NXD_MQTT_REQUIRE_TLS
INT mqtt_subscriber_entry(TLS_TEST_INSTANCE* instance_ptr)
{
print_error_message( "Require TLS.\n");
return 0;
}
#else /* ifdef NX_SECURE_ENABLE */
/* Define the ThreadX and NetX object control blocks... */
NX_PACKET_POOL pool_0;
NX_IP ip_0;
NX_TCP_SOCKET tcp_socket;
#define REMOTE_SERVER_PORT 4433
#define LOCAL_CLIENT_PORT 30024
/* Define the IP thread's stack area. */
ULONG ip_thread_stack[3 * 1024 / sizeof(ULONG)];
/* Define packet pool for the demonstration. */
#define NX_PACKET_POOL_SIZE ((1536 + sizeof(NX_PACKET)) * 32)
ULONG packet_pool_area[NX_PACKET_POOL_SIZE/sizeof(ULONG) + 64 / sizeof(ULONG)];
/* Define the ARP cache area. */
ULONG arp_space_area[512 / sizeof(ULONG)];
/* Define the demo thread. */
ULONG demo_thread_stack[6 * 1024 / sizeof(ULONG)];
TX_THREAD demo_thread;
/* Define the pcap driver function. */
VOID _nx_pcap_network_driver(NX_IP_DRIVER *driver_req_ptr);
/* Define a global variable for the pointer of current test instance. */
TLS_TEST_INSTANCE* client_instance_ptr;
void client_thread_entry(ULONG thread_input);
/* Declare semaphores. */
extern TLS_TEST_SEMAPHORE* semaphore_mqtt_server_prepared;
extern TLS_TEST_SEMAPHORE* semaphore_mqtt_topic_subscribed;
extern TLS_TEST_SEMAPHORE* semaphore_mqtt_message_published;
extern TLS_TEST_SEMAPHORE* semaphore_mqtt_test_finished;
INT mqtt_subscriber_entry(TLS_TEST_INSTANCE* instance_ptr)
{
client_instance_ptr = instance_ptr;
tx_kernel_enter();
}
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void tx_application_define(void *first_unused_memory)
#endif
{
UINT status;
/* Initialize the NetX system. */
nx_system_initialize();
/* Create a packet pool. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 1536, (ULONG*)(((int)packet_pool_area + 64) & ~63) , NX_PACKET_POOL_SIZE);
show_error_message_if_fail(NX_SUCCESS == status);
/* Create an IP instance. */
status = nx_ip_create(&ip_0,
"NetX IP Instance 0",
TLS_TEST_IP_ADDRESS_NUMBER,
0xFFFFFF00UL,
&pool_0,
_nx_pcap_network_driver,
(UCHAR*)ip_thread_stack,
sizeof(ip_thread_stack),
1);
show_error_message_if_fail(NX_SUCCESS == status);
/* Enable ARP and supply ARP cache memory for IP Instance 0. */
status = nx_arp_enable(&ip_0, (void *)arp_space_area, sizeof(arp_space_area));
show_error_message_if_fail(NX_SUCCESS == status);
/* Enable TCP traffic. */
status = nx_tcp_enable(&ip_0);
show_error_message_if_fail(NX_SUCCESS == status);
/* Enable UDP traffic. */
status = nx_udp_enable(&ip_0);
show_error_message_if_fail(NX_SUCCESS == status);
/* Enable ICMP. */
status = nx_icmp_enable(&ip_0);
show_error_message_if_fail(NX_SUCCESS == status);
status = nx_ip_fragment_enable(&ip_0);
show_error_message_if_fail(NX_SUCCESS == status);
tx_thread_create(&demo_thread, "demo thread", client_thread_entry, 0,
demo_thread_stack, sizeof(demo_thread_stack),
16, 16, 4, TX_AUTO_START);
}
/* Declare the MQTT client control block. */
static NXD_MQTT_CLIENT mqtt_client;
#define CLIENT_ID_STRING "mytestclient"
#define MQTT_CLIENT_STACK_SIZE 4096
/* Define the priority of the MQTT internal thread. */
#define MQTT_THREAD_PRIORTY 2
/* Declare a 2000-byte memory space the application supplies to the MQTT client instance. */
static ULONG client_memory[2000 / sizeof(ULONG)];
/* Declare the MQTT thread stack space. */
static ULONG mqtt_client_stack[MQTT_CLIENT_STACK_SIZE / sizeof(ULONG)];
/* Define the MQTT keep alive timer for 5 minutes */
#define MQTT_KEEP_ALIVE_TIMER 300
/* Define the subscribed topic. */
#define TOPIC_NAME "test"
#define QOS0 0
#define QOS1 1
/* Declare buffers to hold message and topic. */
static UCHAR message_buffer[NXD_MQTT_MAX_MESSAGE_LENGTH];
static UCHAR topic_buffer[NXD_MQTT_MAX_TOPIC_NAME_LENGTH];
void client_thread_entry(ULONG thread_input)
{
UINT status, topic_length, message_length = 0xFFFFFFFF;
NXD_ADDRESS server_ip;
INT test_result = 0;
/* Address of remote server. */
print_error_message( "remote ip address number %lu, remote ip address string %s.\n", REMOTE_IP_ADDRESS_NUMBER, REMOTE_IP_ADDRESS_STRING);
/* Create MQTT client instance. */
status = nxd_mqtt_client_create(&mqtt_client, "my_client", CLIENT_ID_STRING, strlen(CLIENT_ID_STRING),
&ip_0, &pool_0, (VOID*)mqtt_client_stack, sizeof(mqtt_client_stack),
MQTT_THREAD_PRIORTY,
(UCHAR*)client_memory, sizeof(client_memory));
exit_if_fail(NX_SUCCESS == status, TLS_TEST_UNKNOWN_TYPE_ERROR);
/* Wait for the mqtt server. */
tls_test_semaphore_wait(semaphore_mqtt_server_prepared);
print_error_message( "subscriber get semaphore_server_prepared.\n");
/* Start the connection to the server. */
server_ip.nxd_ip_version = 4;
server_ip.nxd_ip_address.v4 = REMOTE_IP_ADDRESS_NUMBER;
status = nxd_mqtt_client_connect(&mqtt_client, &server_ip, MQTT_PORT,
MQTT_KEEP_ALIVE_TIMER, 0, NX_WAIT_FOREVER);
exit_if_fail(NX_SUCCESS == status, TLS_TEST_UNKNOWN_TYPE_ERROR);
/* Subscribe to the topic with QoS level 0. */
status = nxd_mqtt_client_subscribe(&mqtt_client, TOPIC_NAME, strlen(TOPIC_NAME), QOS0);
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
/* Post the semaphore to indicate that the given topic is subscribed. */
tls_test_semaphore_post(semaphore_mqtt_topic_subscribed);
/* Wait for the publisher. */
tls_test_semaphore_wait(semaphore_mqtt_message_published);
status = nxd_mqtt_client_message_get(&mqtt_client, topic_buffer, sizeof(topic_buffer), &topic_length,
message_buffer, sizeof(message_buffer), &message_length);
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
/* Verify test result. */
if(status == NXD_MQTT_SUCCESS)
{
add_error_counter_if_fail( 0 == message_length, test_result);
}
/* Now unsubscribe the topic. */
status = nxd_mqtt_client_unsubscribe(&mqtt_client, TOPIC_NAME, strlen(TOPIC_NAME));
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
/* Disconnect from the broker. */
status = nxd_mqtt_client_disconnect(&mqtt_client);
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
/* Delete the client instance, release all the resources. */
status = nxd_mqtt_client_delete(&mqtt_client);
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
/* Post the semaphore to indicate that the test is finished. */
status = tls_test_semaphore_post(semaphore_mqtt_test_finished);
add_error_counter_if_fail(NX_SUCCESS == status, test_result);
exit(test_result);
}
#endif
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