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@@ -8,63 +8,73 @@ |
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#include "server.h" |
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static const char *TAG = "server"; |
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char cur_value_str[255] = "No measurements yet!"; |
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esp_mqtt_client_handle_t client; |
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void server_set_values(int32_t temp_raw, uint32_t pressure_raw, uint32_t humidity_raw, |
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int32_t temp2_raw, uint32_t pressure2_raw, uint32_t humidity2_raw) |
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static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event) |
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{ |
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sprintf(cur_value_str, "<html><body><p>%d %d %d</p><p>%d %d %d</p></body></html>", |
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temp_raw, pressure_raw, humidity_raw, temp2_raw, pressure2_raw, humidity2_raw); |
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} |
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static esp_err_t get_handler(httpd_req_t *req) |
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{ |
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char* buf; |
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size_t buf_len; |
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esp_mqtt_client_handle_t client = event->client; |
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int msg_id; |
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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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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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msg_id = esp_mqtt_client_publish(client, "/topic/qos0", "data", 0, 0, 0); |
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ESP_LOGI(TAG, "sent publish successful, msg_id=%d", 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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break; |
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case MQTT_EVENT_ERROR: |
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ESP_LOGI(TAG, "MQTT_EVENT_ERROR"); |
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/*if (event->error_handle->error_type == MQTT_ERROR_TYPE_TCP_TRANSPORT) { |
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log_error_if_nonzero("reported from esp-tls", event->error_handle->esp_tls_last_esp_err); |
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log_error_if_nonzero("reported from tls stack", event->error_handle->esp_tls_stack_err); |
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log_error_if_nonzero("captured as transport's socket errno", event->error_handle->esp_transport_sock_errno); |
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ESP_LOGI(TAG, "Last errno string (%s)", strerror(event->error_handle->esp_transport_sock_errno)); |
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/* Get header value string length and allocate memory for length + 1, |
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* extra byte for null termination */ |
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buf_len = httpd_req_get_hdr_value_len(req, "Host") + 1; |
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if (buf_len > 1) { |
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buf = malloc(buf_len); |
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/* Copy null terminated value string into buffer */ |
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if (httpd_req_get_hdr_value_str(req, "Host", buf, buf_len) == ESP_OK) { |
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ESP_LOGI(TAG, "Found header => Host: %s", buf); |
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} |
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free(buf); |
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}*/ |
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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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const char* resp_str = cur_value_str; |
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httpd_resp_send(req, resp_str, strlen(resp_str)); |
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return ESP_OK; |
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} |
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static httpd_uri_t uri = { |
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.uri = "/", |
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.method = HTTP_GET, |
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.handler = get_handler, |
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}; |
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static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) { |
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ESP_LOGD(TAG, "Event dispatched from event loop base=%s, event_id=%d", base, event_id); |
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mqtt_event_handler_cb(event_data); |
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} |
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static httpd_handle_t start_webserver(void) |
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void send_mqtt_update(double lux, const char* topic) |
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{ |
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httpd_handle_t server = NULL; |
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httpd_config_t config = HTTPD_DEFAULT_CONFIG(); |
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// Start the httpd server |
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ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port); |
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if (httpd_start(&server, &config) == ESP_OK) { |
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// Set URI handlers |
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ESP_LOGI(TAG, "Registering URI handlers"); |
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httpd_register_uri_handler(server, &uri); |
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return server; |
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} |
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ESP_LOGI(TAG, "Error starting server!"); |
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return NULL; |
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char lux_str[317] = "\0"; |
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snprintf(lux_str, 317, "%f", lux); |
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esp_mqtt_client_publish(client, topic, lux_str, 0, 0, 0); |
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} |
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void init_server() |
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{ |
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start_webserver(); |
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//start_webserver(); |
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esp_mqtt_client_config_t mqtt_cfg = { |
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.uri = "mqtt://192.168.0.101", |
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}; |
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client = esp_mqtt_client_init(&mqtt_cfg); |
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esp_mqtt_client_register_event(client, ESP_EVENT_ANY_ID, mqtt_event_handler, client); |
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esp_mqtt_client_start(client); |
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} |