use espMqttClient, qos2 fixed

lib/espMqttClient/src/Transport/ClientAsync.h

@@ -0,0 +1,44 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP32)
+  #include "freertos/FreeRTOS.h"
+  #include <AsyncTCP.h>
+#elif defined(ARDUINO_ARCH_ESP8266)
+  #include <ESPAsyncTCP.h>
+#endif
+
+#include "Transport.h"
+#include "../Config.h"
+#include "../Logging.h"
+
+namespace espMqttClientInternals {
+
+class ClientAsync : public Transport {
+ public:
+  ClientAsync();
+  bool connect(IPAddress ip, uint16_t port) override;
+  bool connect(const char* host, uint16_t port) override;
+  size_t write(const uint8_t* buf, size_t size) override;
+  int read(uint8_t* buf, size_t size) override;
+  void stop() override;
+  bool connected() override;
+  bool disconnected() override;
+
+  AsyncClient client;
+  size_t availableData;
+  uint8_t* bufData;
+};
+
+}  // namespace espMqttClientInternals
+
+#endif