feat(websocket): interruptable wait timeout

Author: erkia

components/esp_websocket_client/esp_websocket_client.c

@@ -1063,8 +1063,13 @@ static void esp_websocket_client_task(void *pv)
                 esp_websocket_client_abort_connection(client, WEBSOCKET_ERROR_TYPE_TCP_TRANSPORT);
             }
         } else if (WEBSOCKET_STATE_WAIT_TIMEOUT == client->state) {
+            // clear any pending notifications
+            ulTaskNotifyTake(pdTRUE, 0);
             // waiting for reconnecting...
-            vTaskDelay(client->wait_timeout_ms / 2 / portTICK_PERIOD_MS);
+            int delay = client->wait_timeout_ms - (_tick_get_ms() - client->reconnect_tick_ms);
+            if (client->run && delay >= 0) {
+                ulTaskNotifyTake(pdTRUE, pdMS_TO_TICKS(delay) + 1);
+            }
         } else if (WEBSOCKET_STATE_CLOSING == client->state &&
                    (CLOSE_FRAME_SENT_BIT & xEventGroupGetBits(client->status_bits))) {
             ESP_LOGD(TAG, " Waiting for TCP connection to be closed by the server");
@@ -1133,6 +1138,9 @@ esp_err_t esp_websocket_client_stop(esp_websocket_client_handle_t client)
 
 
     client->run = false;
+    if (client->task_handle) {
+        xTaskNotifyGive(client->task_handle);
+    }
     xEventGroupWaitBits(client->status_bits, STOPPED_BIT, false, true, portMAX_DELAY);
     client->state = WEBSOCKET_STATE_UNKNOW;
     return ESP_OK;
@@ -1312,6 +1320,10 @@ esp_err_t esp_websocket_client_set_reconnect_timeout(esp_websocket_client_handle
 
     client->wait_timeout_ms = reconnect_timeout_ms;
 
+    if (client->task_handle) {
+        xTaskNotifyGive(client->task_handle);
+    }
+
     return ESP_OK;
 }
 

components/esp_websocket_client/include/esp_websocket_client.h

@@ -417,7 +417,7 @@ size_t esp_websocket_client_get_ping_interval_sec(esp_websocket_client_handle_t
 esp_err_t esp_websocket_client_set_ping_interval_sec(esp_websocket_client_handle_t client, size_t ping_interval_sec);
 
 /**
- * @brief      Get the next reconnect timeout for client. Returns -1 when client is not initialized or automatic reconnect is disabled.
+ * @brief      Get the reconnect timeout for client. Returns -1 when client is not initialized or automatic reconnect is disabled.
  *
  * @param[in]  client             The client
  *
@@ -426,11 +426,10 @@ esp_err_t esp_websocket_client_set_ping_interval_sec(esp_websocket_client_handle
 int esp_websocket_client_get_reconnect_timeout(esp_websocket_client_handle_t client);
 
 /**
- * @brief      Set next reconnect timeout for client.
+ * @brief      Set new reconnect timeout for client.
  *
  *  Notes:
- *  - Changing this value when reconnection delay is already active does not immediately affect the active delay and may have unexpected result.
- *  - Good place to change this value is when handling WEBSOCKET_EVENT_DISCONNECTED or WEBSOCKET_EVENT_ERROR events.
+ *  - This also updates already active reconnection delay, if any.
  *
  * @param[in]  client             The client
  * @param[in]  reconnect_timeout_ms  The new timeout