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https://github.com/espressif/esp-idf.git
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31b2702387
esp_netif_init() returns standard esp_err_t error code (unlike tcpip_adapter init), so shall be checked for the return value Also to make the initialization code more consistent.
227 lines
8.0 KiB
C
227 lines
8.0 KiB
C
/* MQTT publish test
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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#include "esp_wifi.h"
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#include "esp_system.h"
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#include "nvs_flash.h"
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#include "esp_event.h"
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#include "esp_netif.h"
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#include "protocol_examples_common.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "freertos/queue.h"
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#include "freertos/event_groups.h"
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#include "lwip/sockets.h"
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#include "lwip/dns.h"
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#include "lwip/netdb.h"
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#include "esp_log.h"
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#include "mqtt_client.h"
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static const char *TAG = "PUBLISH_TEST";
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static EventGroupHandle_t mqtt_event_group;
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const static int CONNECTED_BIT = BIT0;
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static esp_mqtt_client_handle_t mqtt_client = NULL;
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static char *expected_data = NULL;
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static char *actual_data = NULL;
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static size_t expected_size = 0;
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static size_t expected_published = 0;
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static size_t actual_published = 0;
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static int qos_test = 0;
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#if CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDDEN == 1
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static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
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#else
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extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
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#endif
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extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
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static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
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{
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esp_mqtt_client_handle_t client = event->client;
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static int msg_id = 0;
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static int actual_len = 0;
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// your_context_t *context = event->context;
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switch (event->event_id) {
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case MQTT_EVENT_CONNECTED:
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ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED");
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xEventGroupSetBits(mqtt_event_group, CONNECTED_BIT);
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msg_id = esp_mqtt_client_subscribe(client, CONFIG_EXAMPLE_SUBSCIBE_TOPIC, qos_test);
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ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
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break;
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case MQTT_EVENT_DISCONNECTED:
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ESP_LOGI(TAG, "MQTT_EVENT_DISCONNECTED");
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break;
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case MQTT_EVENT_SUBSCRIBED:
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ESP_LOGI(TAG, "MQTT_EVENT_SUBSCRIBED, msg_id=%d", event->msg_id);
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break;
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case MQTT_EVENT_UNSUBSCRIBED:
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ESP_LOGI(TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id);
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break;
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case MQTT_EVENT_PUBLISHED:
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ESP_LOGI(TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id);
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break;
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case MQTT_EVENT_DATA:
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ESP_LOGI(TAG, "MQTT_EVENT_DATA");
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printf("TOPIC=%.*s\r\n", event->topic_len, event->topic);
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printf("DATA=%.*s\r\n", event->data_len, event->data);
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printf("ID=%d, total_len=%d, data_len=%d, current_data_offset=%d\n", event->msg_id, event->total_data_len, event->data_len, event->current_data_offset);
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if (event->topic) {
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actual_len = event->data_len;
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msg_id = event->msg_id;
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} else {
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actual_len += event->data_len;
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// check consisency with msg_id across multiple data events for single msg
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if (msg_id != event->msg_id) {
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ESP_LOGI(TAG, "Wrong msg_id in chunked message %d != %d", msg_id, event->msg_id);
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abort();
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}
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}
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memcpy(actual_data + event->current_data_offset, event->data, event->data_len);
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if (actual_len == event->total_data_len) {
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if (0 == memcmp(actual_data, expected_data, expected_size)) {
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printf("OK!");
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memset(actual_data, 0, expected_size);
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actual_published ++;
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if (actual_published == expected_published) {
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printf("Correct pattern received exactly x times\n");
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ESP_LOGI(TAG, "Test finished correctly!");
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}
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} else {
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printf("FAILED!");
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abort();
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}
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}
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break;
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case MQTT_EVENT_ERROR:
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ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
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break;
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default:
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ESP_LOGI(TAG, "Other event id:%d", event->event_id);
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break;
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}
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return ESP_OK;
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}
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static void mqtt_app_start(void)
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{
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mqtt_event_group = xEventGroupCreate();
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const esp_mqtt_client_config_t mqtt_cfg = {
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.event_handle = mqtt_event_handler,
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.cert_pem = (const char *)mqtt_eclipse_org_pem_start,
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};
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ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
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mqtt_client = esp_mqtt_client_init(&mqtt_cfg);
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}
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static void get_string(char *line, size_t size)
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{
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int count = 0;
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while (count < size) {
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int c = fgetc(stdin);
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if (c == '\n') {
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line[count] = '\0';
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break;
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} else if (c > 0 && c < 127) {
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line[count] = c;
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++count;
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}
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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}
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void app_main(void)
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{
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char line[256];
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char pattern[32];
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char transport[32];
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int repeat = 0;
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ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
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ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
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esp_log_level_set("*", ESP_LOG_INFO);
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esp_log_level_set("MQTT_CLIENT", ESP_LOG_VERBOSE);
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esp_log_level_set("TRANSPORT_TCP", ESP_LOG_VERBOSE);
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esp_log_level_set("TRANSPORT_SSL", ESP_LOG_VERBOSE);
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esp_log_level_set("TRANSPORT", ESP_LOG_VERBOSE);
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esp_log_level_set("OUTBOX", ESP_LOG_VERBOSE);
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ESP_ERROR_CHECK(nvs_flash_init());
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
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* Read "Establishing Wi-Fi or Ethernet Connection" section in
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* examples/protocols/README.md for more information about this function.
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*/
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ESP_ERROR_CHECK(example_connect());
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mqtt_app_start();
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while (1) {
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get_string(line, sizeof(line));
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sscanf(line, "%s %s %d %d %d", transport, pattern, &repeat, &expected_published, &qos_test);
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ESP_LOGI(TAG, "PATTERN:%s REPEATED:%d PUBLISHED:%d\n", pattern, repeat, expected_published);
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int pattern_size = strlen(pattern);
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free(expected_data);
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free(actual_data);
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actual_published = 0;
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expected_size = pattern_size * repeat;
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expected_data = malloc(expected_size);
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actual_data = malloc(expected_size);
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for (int i = 0; i < repeat; i++) {
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memcpy(expected_data + i * pattern_size, pattern, pattern_size);
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}
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printf("EXPECTED STRING %.*s, SIZE:%d\n", expected_size, expected_data, expected_size);
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esp_mqtt_client_stop(mqtt_client);
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if (0 == strcmp(transport, "tcp")) {
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ESP_LOGI(TAG, "[TCP transport] Startup..");
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esp_mqtt_client_set_uri(mqtt_client, CONFIG_EXAMPLE_BROKER_TCP_URI);
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} else if (0 == strcmp(transport, "ssl")) {
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ESP_LOGI(TAG, "[SSL transport] Startup..");
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esp_mqtt_client_set_uri(mqtt_client, CONFIG_EXAMPLE_BROKER_SSL_URI);
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} else if (0 == strcmp(transport, "ws")) {
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ESP_LOGI(TAG, "[WS transport] Startup..");
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esp_mqtt_client_set_uri(mqtt_client, CONFIG_EXAMPLE_BROKER_WS_URI);
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} else if (0 == strcmp(transport, "wss")) {
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ESP_LOGI(TAG, "[WSS transport] Startup..");
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esp_mqtt_client_set_uri(mqtt_client, CONFIG_EXAMPLE_BROKER_WSS_URI);
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} else {
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ESP_LOGE(TAG, "Unexpected transport");
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abort();
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}
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xEventGroupClearBits(mqtt_event_group, CONNECTED_BIT);
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esp_mqtt_client_start(mqtt_client);
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ESP_LOGI(TAG, "Note free memory: %d bytes", esp_get_free_heap_size());
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xEventGroupWaitBits(mqtt_event_group, CONNECTED_BIT, false, true, portMAX_DELAY);
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for (int i = 0; i < expected_published; i++) {
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int msg_id = esp_mqtt_client_publish(mqtt_client, CONFIG_EXAMPLE_PUBLISH_TOPIC, expected_data, expected_size, qos_test, 0);
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ESP_LOGI(TAG, "[%d] Publishing...", msg_id);
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}
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}
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}
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