Subversion Repositories ESP8266_P1_Meter

/*

  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 ASYNCPRINTER_H_

#define ASYNCPRINTER_H_

#include "Arduino.h"

#include "ESPAsyncTCP.h"

#include "cbuf.h"

class AsyncPrinter;

typedef std::function<void(void*, AsyncPrinter*, uint8_t*, size_t)> ApDataHandler;

typedef std::function<void(void*, AsyncPrinter*)> ApCloseHandler;

class AsyncPrinter: public Print {

  private:

    AsyncClient *_client;

    ApDataHandler _data_cb;

    void *_data_arg;

    ApCloseHandler _close_cb;

    void *_close_arg;

    cbuf *_tx_buffer;

    size_t _tx_buffer_size;

    void _onConnect(AsyncClient *c);

  public:

    AsyncPrinter *next;

    AsyncPrinter();

    AsyncPrinter(AsyncClient *client, size_t txBufLen = TCP_MSS);

    virtual ~AsyncPrinter();

    int connect(IPAddress ip, uint16_t port);

    int connect(const char *host, uint16_t port);

    void onData(ApDataHandler cb, void *arg);

    void onClose(ApCloseHandler cb, void *arg);

    operator bool();

    AsyncPrinter & operator=(const AsyncPrinter &other);

    size_t write(uint8_t data);

    size_t write(const uint8_t *data, size_t len);

    bool connected();

    void close();

    size_t _sendBuffer();

    void _onData(void *data, size_t len);

    void _on_close();

    void _attachCallbacks();

};

#endif /* ASYNCPRINTER_H_ */