feat(esp_http_client): added event HTTP_EVENT_ON_STATUS_CODE

This commit added event HTTP_EVENT_ON_STATUS_CODE and
acquire response status code before header or data.

Author: nileshkale123

components/esp_eth/test_apps/main/esp_eth_test_apps.c

@@ -638,6 +638,8 @@ esp_err_t http_event_handle(esp_http_client_event_t *evt)
     case HTTP_EVENT_REDIRECT:
         ESP_LOGI(TAG, "HTTP_EVENT_REDIRECT");
         break;
+    default:
+        break;
     }
     return ESP_OK;
 }

components/esp_http_client/esp_http_client.c

@@ -236,6 +236,15 @@ static int http_on_url(http_parser *parser, const char *at, size_t length)
 
 static int http_on_status(http_parser *parser, const char *at, size_t length)
 {
+    esp_http_client_handle_t client = parser->data;
+    ESP_LOGD(TAG, "http_on_status");
+
+    /* Store the status code in the response structure */
+    client->response->status_code = parser->status_code;
+
+    http_dispatch_event(client, HTTP_EVENT_ON_STATUS_CODE, &client->response->status_code, sizeof(int));
+    http_dispatch_event_to_event_loop(HTTP_EVENT_ON_STATUS_CODE, &client, sizeof(esp_http_client_handle_t));
+
     return 0;
 }
 

components/esp_http_client/include/esp_http_client.h

@@ -40,6 +40,7 @@ typedef enum {
                                                            and will be deprecated in future versions esp-idf */
     HTTP_EVENT_ON_HEADER,       /*!< Occurs when receiving each header sent from the server */
     HTTP_EVENT_ON_HEADERS_COMPLETE, /*!< Occurs when all headers are received on the client side */
+    HTTP_EVENT_ON_STATUS_CODE,  /*!< Occurs when receiving the HTTP status code from the server */
     HTTP_EVENT_ON_DATA,         /*!< Occurs when receiving data from the server, possibly multiple portions of the packet */
     HTTP_EVENT_ON_FINISH,       /*!< Occurs when finish a HTTP session */
     HTTP_EVENT_DISCONNECTED,    /*!< The connection has been disconnected */

docs/en/api-reference/protocols/esp_http_client.rst

@@ -131,6 +131,7 @@ Expected data types for different HTTP Client events in the event loop are as fo
     - HTTP_EVENT_HEADERS_SENT       : ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_HEADER          : ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_HEADERS_COMPLETE: ``esp_http_client_handle_t``
+    - HTTP_EVENT_ON_STATUS_CODE     : ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_DATA            : ``esp_http_client_on_data_t``
     - HTTP_EVENT_ON_FINISH          : ``esp_http_client_handle_t``
     - HTTP_EVENT_DISCONNECTED       : ``esp_http_client_handle_t``

docs/zh_CN/api-reference/protocols/esp_http_client.rst

@@ -131,6 +131,7 @@ ESP HTTP 客户端诊断信息
     - HTTP_EVENT_HEADERS_SENT       :   ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_HEADER          :   ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_HEADERS_COMPLETE:   ``esp_http_client_handle_t``
+    - HTTP_EVENT_ON_STATUS_CODE     :   ``esp_http_client_handle_t``
     - HTTP_EVENT_ON_DATA            :   ``esp_http_client_on_data_t``
     - HTTP_EVENT_ON_FINISH          :   ``esp_http_client_handle_t``
     - HTTP_EVENT_DISCONNECTED       :   ``esp_http_client_handle_t``

examples/protocols/dns_over_https/components/dns_over_https/dns_over_https.c

@@ -117,6 +117,8 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
     case HTTP_EVENT_REDIRECT:
         ESP_LOGE(TAG, "HTTP_EVENT_REDIRECT: Not supported(%d)", esp_http_client_get_status_code(evt->client));
         break;
+    default:
+        break;
     }
     return ESP_OK;
 }

examples/protocols/esp_http_client/main/esp_http_client_example.c

@@ -139,6 +139,8 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
             esp_http_client_set_header(evt->client, "Accept", "text/html");
             esp_http_client_set_redirection(evt->client);
             break;
+        default:
+            break;
     }
     return ESP_OK;
 }

examples/system/ota/partitions_ota/main/app_main.c

@@ -87,6 +87,8 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
     case HTTP_EVENT_REDIRECT:
         ESP_LOGD(TAG, "HTTP_EVENT_REDIRECT");
         break;
+    default:
+        break;
     }
     return ESP_OK;
 }

examples/system/ota/simple_ota_example/main/simple_ota_example.c

@@ -75,6 +75,8 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
     case HTTP_EVENT_REDIRECT:
         ESP_LOGD(TAG, "HTTP_EVENT_REDIRECT");
         break;
+    default:
+        break;
     }
     return ESP_OK;
 }