File content as of revision 2:2dafdd154a9e:

/*
Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef TCPSOCKET_H
#define TCPSOCKET_H

#include "if/net/net.h"
//Essentially it is a safe interface to NetTcpSocket

enum TcpSocketErr
{
  __TCPSOCKET_MIN = -0xFFFF,
  TCPSOCKET_SETUP, //NetTcpSocket not properly configured
  TCPSOCKET_TIMEOUT,
  TCPSOCKET_IF, //If has problems, does not exist or is not initialized
  TCPSOCKET_MEM, //Not enough mem
  TCPSOCKET_INUSE, //If/Port is in use
  TCPSOCKET_EMPTY, //Connections queue is empty
  TCPSOCKET_RST, // Connection was reset by remote host
//...
  TCPSOCKET_OK = 0
};

enum TcpSocketEvent
{
  TCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
  TCPSOCKET_ACCEPT,  //Connected to client
  TCPSOCKET_READABLE, //Data in buf
  TCPSOCKET_WRITEABLE, //Can write data to buf
  TCPSOCKET_CONTIMEOUT,
  TCPSOCKET_CONRST,
  TCPSOCKET_CONABRT,
  TCPSOCKET_ERROR,
  TCPSOCKET_DISCONNECTED
};


class TcpSocket
{
public:
  TcpSocket();
protected:
  TcpSocket(NetTcpSocket* pNetTcpSocket);
public:
  ~TcpSocket(); //close()
  
  TcpSocketErr bind(const Host& me);
  TcpSocketErr listen();
  TcpSocketErr connect(const Host& host);
  TcpSocketErr accept(Host* pClient, TcpSocket** ppNewTcpSocket);
  
  int /*if < 0 : TcpSocketErr*/ send(const char* buf, int len);
  int /*if < 0 : TcpSocketErr*/ recv(char* buf, int len);

  /* TODO NTH : printf / scanf helpers that call send/recv */

  TcpSocketErr close();

  class CDummy;
  //Callbacks
  void setOnEvent( void (*pMethod)(TcpSocketEvent) );
  template<class T> 
  //Linker bug : Must be defined here :(
  void setOnEvent( T* pItem, void (T::*pMethod)(TcpSocketEvent) )
  {
    m_pCbItem = (CDummy*) pItem;
    m_pCbMeth = (void (CDummy::*)(TcpSocketEvent)) pMethod;
  }
  
  void resetOnEvent(); //Disable callback
  
protected:
  void onNetTcpSocketEvent(NetTcpSocketEvent e);
  TcpSocketErr checkInst();

private:
  NetTcpSocket* m_pNetTcpSocket;
  
  CDummy* m_pCbItem;
  void (CDummy::*m_pCbMeth)(TcpSocketEvent);
  
  void (*m_pCb)(TcpSocketEvent);
  
};

#endif