text: /*
    Asynchronous TCP library for Espressif MCUs
  
    Copyright (c) 2016 Hristo Gochkov. All rights reserved.
    This file is part of the esp8266 core for Arduino environment.
  
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
  
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
  
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
  #ifndef SYNCCLIENT_H_
  #define SYNCCLIENT_H_
  
  #if defined(ESP8266)
  
  #include "Client.h"
  #include "async_config.h"
  class cbuf;
  class AsyncClient;
  
  class SyncClient: public Client {
    private:
      AsyncClient *_client;
      cbuf *_tx_buffer;
      size_t _tx_buffer_size;
      cbuf *_rx_buffer;
  
      size_t _sendBuffer();
      void _onData(void *data, size_t len);
      void _onConnect(AsyncClient *c);
      void _onDisconnect();
      void _attachCallbacks();
      void _attachCallbacks_Disconnect();
      void _attachCallbacks_AfterConnected();
  
    public:
      SyncClient(size_t txBufLen = 1460);
      SyncClient(AsyncClient *client, size_t txBufLen = 1460);
      virtual ~SyncClient();
  
      operator bool(){ return connected(); }
      SyncClient & operator=(const SyncClient &other);
  
  #if ASYNC_TCP_SSL_ENABLED
      int connect(IPAddress ip, uint16_t port, bool secure);
      int connect(const char *host, uint16_t port, bool secure);
      int connect(IPAddress ip, uint16_t port){
        return connect(ip, port, false);
      }
      int connect(const char *host, uint16_t port){
        return connect(host, port, false);
      }
  #else
      int connect(IPAddress ip, uint16_t port);
      int connect(const char *host, uint16_t port);
  #endif
      void setTimeout(uint32_t seconds);
  
      uint8_t status();
      uint8_t connected();
      void stop();
  
      size_t write(uint8_t data);
      size_t write(const uint8_t *data, size_t len);
  
      int available();
      int peek();
      int read();
      int read(uint8_t *data, size_t len);
      void flush();
  };
  
  #endif
  #endif /* SYNCCLIENT_H_ */
  