%d %d %d
%d %d %d
", temp_raw, pressure_raw, humidity_raw, temp2_raw, pressure2_raw, humidity2_raw); } static esp_err_t get_handler(httpd_req_t *req) { char* buf; size_t buf_len; /* Get header value string length and allocate memory for length + 1, * extra byte for null termination */ buf_len = httpd_req_get_hdr_value_len(req, "Host") + 1; if (buf_len > 1) { buf = malloc(buf_len); /* Copy null terminated value string into buffer */ if (httpd_req_get_hdr_value_str(req, "Host", buf, buf_len) == ESP_OK) { ESP_LOGI(TAG, "Found header => Host: %s", buf); } free(buf); } // buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-2") + 1; // if (buf_len > 1) { // buf = malloc(buf_len); // if (httpd_req_get_hdr_value_str(req, "Test-Header-2", buf, buf_len) == ESP_OK) { // ESP_LOGI(TAG, "Found header => Test-Header-2: %s", buf); // } // free(buf); // } // // buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-1") + 1; // if (buf_len > 1) { // buf = malloc(buf_len); // if (httpd_req_get_hdr_value_str(req, "Test-Header-1", buf, buf_len) == ESP_OK) { // ESP_LOGI(TAG, "Found header => Test-Header-1: %s", buf); // } // free(buf); // } // /* Read URL query string length and allocate memory for length + 1, // * extra byte for null termination */ // buf_len = httpd_req_get_url_query_len(req) + 1; // if (buf_len > 1) { // buf = malloc(buf_len); // if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) { // ESP_LOGI(TAG, "Found URL query => %s", buf); // char param[32]; // /* Get value of expected key from query string */ // if (httpd_query_key_value(buf, "query1", param, sizeof(param)) == ESP_OK) { // ESP_LOGI(TAG, "Found URL query parameter => query1=%s", param); // } // if (httpd_query_key_value(buf, "query3", param, sizeof(param)) == ESP_OK) { // ESP_LOGI(TAG, "Found URL query parameter => query3=%s", param); // } // if (httpd_query_key_value(buf, "query2", param, sizeof(param)) == ESP_OK) { // ESP_LOGI(TAG, "Found URL query parameter => query2=%s", param); // } // } // free(buf); // } /* Set some custom headers */ // httpd_resp_set_hdr(req, "Custom-Header-1", "Custom-Value-1"); // httpd_resp_set_hdr(req, "Custom-Header-2", "Custom-Value-2"); /* Send response with custom headers and body set as the * string passed in user context*/ const char* resp_str = cur_value_str; httpd_resp_send(req, resp_str, strlen(resp_str)); /* After sending the HTTP response the old HTTP request * headers are lost. Check if HTTP request headers can be read now. */ // if (httpd_req_get_hdr_value_len(req, "Host") == 0) { // ESP_LOGI(TAG, "Request headers lost"); // } return ESP_OK; } static httpd_uri_t uri = { .uri = "/", .method = HTTP_GET, .handler = get_handler, }; static httpd_handle_t start_webserver(void) { httpd_handle_t server = NULL; httpd_config_t config = HTTPD_DEFAULT_CONFIG(); // Start the httpd server ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port); if (httpd_start(&server, &config) == ESP_OK) { // Set URI handlers ESP_LOGI(TAG, "Registering URI handlers"); httpd_register_uri_handler(server, &uri); return server; } ESP_LOGI(TAG, "Error starting server!"); return NULL; } static void stop_webserver(httpd_handle_t server) { // Stop the httpd server httpd_stop(server); } static void connect_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) { httpd_handle_t* server = (httpd_handle_t*) arg; if (*server == NULL) { ESP_LOGI(TAG, "Starting webserver"); *server = start_webserver(); } } static void disconnect_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) { httpd_handle_t* server = (httpd_handle_t*) arg; if (*server) { ESP_LOGI(TAG, "Stopping webserver"); stop_webserver(*server); *server = NULL; } } void init_server() { start_webserver(); }