// Use of this source code is governed by a BSD 3-Clause License
// that can be found in the LICENSE file.

// Author: caozhiyi (caozhiyi5@gmail.com)

#ifndef INCLUDE_CPPNET_TYPE
#define INCLUDE_CPPNET_TYPE

#include <memory>
#include <cstdint>
#include <functional>

#include "common/buffer/buffer_interface.h"

namespace cppnet {

// socket
class CNSocket;
typedef std::shared_ptr<CNSocket> Handle;
typedef std::shared_ptr<Buffer>   BufferPtr;

// call back define
// param : param is setted when set
typedef std::function<void(Handle)>                                            timer_call_back;
typedef std::function<void(void*)>                                             user_timer_call_back;

// handle : handle of socket
// err    : error code
typedef std::function<void(Handle handle, uint32_t err)>                       connect_call_back;

// handle : handle of socket
// len    : sended date len
typedef std::function<void(Handle handle, uint32_t len)>                       write_call_back;

// handle : handle of socket
// data   : point to recv data buffer
// len    : recv data len
typedef std::function<void(Handle handle, BufferPtr data, 
                        uint32_t len)>                                         read_call_back;
    
// error code
enum CPPNET_ERROR_CODE {
    CEC_SUCCESS                = 0,    // success.
    CEC_TIMEOUT                = 1,    // the event time out call back.
    CEC_CLOSED                 = 2,    // remote close the socket.
    CEC_INVALID_HANDLE         = 3,    // invalid cppnet handle, can find in socket manager.
    CEC_FAILED                 = 4,    // call function failed.
    CEC_CONNECT_BREAK          = 5,    // connect break.
    CEC_CONNECT_REFUSE         = 6,    // remote refuse connect or server not exist.
};

}

#endif