Fix seek http stream change the total byte.

Fix wifi service setting failure IDF>=4.0.
Closes #372

Author: jason-mao

components/audio_stream/http_stream.c

@@ -416,8 +416,14 @@ static esp_err_t _http_open(audio_element_handle_t self)
         esp_http_client_close(http->client);
         return ESP_FAIL;
     }
+    /*
+    * Due to the total byte of content has been changed after seek, set info.total_bytes at beginning only.
+    */
+    int64_t cur_pos = esp_http_client_fetch_headers(http->client);
+    if (info.byte_pos <= 0) {
+        info.total_bytes = cur_pos;
+    }
 
-    info.total_bytes = esp_http_client_fetch_headers(http->client);
     ESP_LOGI(TAG, "total_bytes=%d", (int)info.total_bytes);
     int status_code = esp_http_client_get_status_code(http->client);
     if (status_code == 301 || status_code == 302) {

components/wifi_service/src/wifi_service.c

@@ -137,6 +137,7 @@ static void wifi_event_cb(void *arg, esp_event_base_t event_base,
         wifi_event_sta_disconnected_t *event = (wifi_event_sta_disconnected_t *) event_data;
         if (serv->reason == WIFI_SERV_STA_BY_USER) {
             ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED, reason is WIFI_SERV_STA_BY_USER");
+            return;
         }
         wifi_serv_state_send(serv->wifi_serv_que, WIFI_SERV_EVENT_DISCONNECTED, 0, 0, 0);
         switch (event->reason) {