/* -------------------------------------------------------------------------
 * Project: GSocket (Generic Socket) for WX
 * Name:    gsockmsw.h
 * Purpose: GSocket MSW header
 * CVSID:   $Id$
 * -------------------------------------------------------------------------
 */

#ifndef __GSOCK_MSW_H
#define __GSOCK_MSW_H

#ifndef __GSOCKET_STANDALONE__
#include "wx/setup.h"
#endif

#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)

#ifndef __GSOCKET_STANDALONE__
#include "wx/gsocket.h"
#else
#include "gsocket.h"
#endif

#ifdef wxUSE_GSOCKET_CPLUSPLUS
#include "wx/msw/wrapwin.h"
#else
#include <windows.h>
#include <winsock.h>
#endif

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifdef wxUSE_GSOCKET_CPLUSPLUS
class GSocketGUIFunctionsTableConcrete: public GSocketGUIFunctionsTable
{
public:
    virtual bool OnInit();
    virtual void OnExit();
    virtual bool CanUseEventLoop();
    virtual bool Init_Socket(GSocket *socket);
    virtual void Destroy_Socket(GSocket *socket);
    virtual void Enable_Events(GSocket *socket);
    virtual void Disable_Events(GSocket *socket);
};
#endif /* def wxUSE_GSOCKET_CPLUSPLUS */

#if defined(__cplusplus) && !defined wxUSE_GSOCKET_CPLUSPLUS
extern "C" {
#endif

/* Definition of GSocket */
#ifdef wxUSE_GSOCKET_CPLUSPLUS
class GSocket
#else
struct _GSocket
#endif
{
#ifdef wxUSE_GSOCKET_CPLUSPLUS
public:
  GSocket();
  ~GSocket();
  bool IsOk() { return m_ok; }
  void Close();
  void Shutdown();
  GSocketError SetLocal(GAddress *address);
  GSocketError SetPeer(GAddress *address);
  GAddress *GetLocal();
  GAddress *GetPeer();
  GSocketError SetServer();
  GSocket *WaitConnection();
  int SetReusable();
  GSocketError Connect(GSocketStream stream);
  GSocketError SetNonOriented();
  int Read(char *buffer, int size);
  int Write(const char *buffer, int size);
  GSocketEventFlags Select(GSocketEventFlags flags);
  void SetNonBlocking(bool non_block);
  void SetTimeout(unsigned long millis);
  GSocketError WXDLLIMPEXP_NET GetError();
  void SetCallback(GSocketEventFlags flags,
    GSocketCallback callback, char *cdata);
  void UnsetCallback(GSocketEventFlags flags);
  GSocketError GetSockOpt(int level, int optname,
    void *optval, int *optlen);
  GSocketError SetSockOpt(int level, int optname,
    const void *optval, int optlen);
protected:
  GSocketError Input_Timeout();
  GSocketError Output_Timeout();
  GSocketError Connect_Timeout();
  int Recv_Stream(char *buffer, int size);
  int Recv_Dgram(char *buffer, int size);
  int Send_Stream(const char *buffer, int size);
  int Send_Dgram(const char *buffer, int size);
  bool m_ok;

/* TODO: Make these protected */
public:
#endif /* def wxUSE_GSOCKET_CPLUSPLUS */
  SOCKET m_fd;
  GAddress *m_local;
  GAddress *m_peer;
  GSocketError m_error;

  /* Attributes */
  int m_non_blocking;
  int m_server;
  int m_stream;
  int m_establishing;
  int m_reusable;
  struct timeval m_timeout;

  /* Callbacks */
  GSocketEventFlags m_detected;
  GSocketCallback m_cbacks[GSOCK_MAX_EVENT];
  char *m_data[GSOCK_MAX_EVENT];
  int m_msgnumber;
};

#ifdef wxUSE_GSOCKET_CPLUSPLUS
/* TODO: Fix src/common/socket.cpp to use the new API */
inline void GSocket_Shutdown(GSocket *socket)
{   socket->Shutdown(); }
inline GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address)
{   return socket->SetLocal(address); }
inline GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
{   return socket->SetPeer(address); }
inline GAddress *GSocket_GetLocal(GSocket *socket)
{   return socket->GetLocal(); }
inline GAddress *GSocket_GetPeer(GSocket *socket)
{   return socket->GetPeer(); }
inline GSocketError GSocket_SetServer(GSocket *socket)
{   return socket->SetServer(); }
inline GSocket *GSocket_WaitConnection(GSocket *socket)
{   return socket->WaitConnection(); }
inline int GSocket_SetReusable(GSocket *socket)
{   return socket->SetReusable(); }
inline GSocketError GSocket_Connect(GSocket *socket, GSocketStream stream)
{   return socket->Connect(stream); }
inline GSocketError GSocket_SetNonOriented(GSocket *socket)
{   return socket->SetNonOriented(); }
inline int GSocket_Read(GSocket *socket, char *buffer, int size)
{   return socket->Read(buffer,size); }
inline int GSocket_Write(GSocket *socket, const char *buffer, int size)
{   return socket->Write(buffer,size); }
inline GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
{   return socket->Select(flags); }
inline void GSocket_SetNonBlocking(GSocket *socket, int non_block)
{   socket->SetNonBlocking(non_block); }
inline void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
{   socket->SetTimeout(millisec); }
inline GSocketError GSocket_GetError(GSocket *socket)
{   return socket->GetError(); }
inline void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
                         GSocketCallback fallback, char *cdata)
{   socket->SetCallback(flags,fallback,cdata); }
inline void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
{   socket->UnsetCallback(flags); }
inline GSocketError GSocket_GetSockOpt(GSocket *socket, int level, int optname,
                        void *optval, int *optlen)
{   return socket->GetSockOpt(level,optname,optval,optlen); }
inline GSocketError GSocket_SetSockOpt(GSocket *socket, int level, int optname,
                        const void *optval, int optlen)
{   return socket->SetSockOpt(level,optname,optval,optlen); }
inline void GSocket_destroy(GSocket *socket)
{   delete socket; }
#endif /* def wxUSE_GSOCKET_CPLUSPLUS */

#if defined(__cplusplus) && !defined wxUSE_GSOCKET_CPLUSPLUS
}
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Definition of GAddress */
struct _GAddress
{
  struct sockaddr *m_addr;
  size_t m_len;

  GAddressType m_family;
  int m_realfamily;

  GSocketError m_error;
};

#ifndef wxUSE_GSOCKET_CPLUSPLUS
/* Input / output */

GSocketError _GSocket_Input_Timeout(GSocket *socket);
GSocketError _GSocket_Output_Timeout(GSocket *socket);
GSocketError _GSocket_Connect_Timeout(GSocket *socket);
int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size);
int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size);
int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size);
int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size);

/* Callbacks */

int  _GSocket_GUI_Init(void);
void _GSocket_GUI_Cleanup(void);
int  _GSocket_GUI_Init_Socket(GSocket *socket);
void _GSocket_GUI_Destroy_Socket(GSocket *socket);

LRESULT CALLBACK _GSocket_Internal_WinProc(HWND, UINT, WPARAM, LPARAM);

void _GSocket_Enable_Events(GSocket *socket);
void _GSocket_Disable_Events(GSocket *socket);
#endif /* ndef wxUSE_GSOCKET_CPLUSPLUS */

/* GAddress */

GSocketError _GAddress_translate_from(GAddress *address,
                                      struct sockaddr *addr, int len);
GSocketError _GAddress_translate_to  (GAddress *address,
                                      struct sockaddr **addr, int *len);
GSocketError _GAddress_Init_INET(GAddress *address);
GSocketError _GAddress_Init_UNIX(GAddress *address);

#ifdef __cplusplus
}
#endif

#endif  /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */

#endif  /* __GSOCK_MSW_H */