/* WINSOCK.H--definitions to be used with the WINSOCK.DLL
 *
 * This header file corresponds to version 1.1 of the Windows Sockets
 * specification.
 */

#ifndef _WINSOCKAPI_
#define _WINSOCKAPI_

#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/time.h>
#include <fcntl.h>
#include <netdb.h>
#include <sys/socket.h>
#include "windows.h"

/*
 * The new type to be used in all
 * instances which refer to sockets.
 */
typedef u_int	SOCKET;

extern int __WSAFDIsSet(SOCKET, fd_set *);

/*
 * Internet address (old style... should be updated)
 */
#ifdef WS_USE_OLD_STYLE
#define s_addr  S_un.S_addr	/* can be used for most tcp & ip code */
#define s_host  S_un.S_un_b.s_b2	/* host on imp */
#define s_net   S_un.S_un_b.s_b1	/* network */
#define s_imp   S_un.S_un_w.s_w2	/* imp */
#define s_impno S_un.S_un_b.s_b4	/* imp # */
#define s_lh    S_un.S_un_b.s_b3	/* logical host */
#endif

#define WSADESCRIPTION_LEN      256
#define WSASYS_STATUS_LEN       128

typedef struct WSAData {
        WORD                    wVersion;
        WORD                    wHighVersion;
        char                    szDescription[WSADESCRIPTION_LEN+1];
        char                    szSystemStatus[WSASYS_STATUS_LEN+1];
        unsigned short          iMaxSockets;
        unsigned short          iMaxUdpDg;
        char                   *lpVendorInfo;
} WSADATA, *LPWSADATA;

/*
 * This is used instead of -1, since the
 * SOCKET type is unsigned.
 */
#define INVALID_SOCKET  (SOCKET)(~0)
#define SOCKET_ERROR            (-1)

/*
 * Option flags per-socket.
 */
#ifndef SO_DONTLINGER
#define SO_DONTLINGER   (u_int)(~SO_LINGER)
#endif

/*
 * Maximum queue length specifiable by listen.
 */
#ifdef SOMAXCONN
#undef SOMAXCONN
#endif
#define SOMAXCONN       5

#ifndef MSG_DONTROUTE
#define MSG_DONTROUTE   0x4             /* send without using routing tables */
#endif
#define MSG_MAXIOVLEN   16

/*
 * Define constant based on rfc883, used by gethostbyxxxx() calls.
 */
#define MAXGETHOSTSTRUCT        1024

/*
 * Define flags to be used with the WSAAsyncSelect() call.
 */
#define FD_READ         0x01
#define FD_WRITE        0x02
#define FD_OOB          0x04
#define FD_ACCEPT       0x08
#define FD_CONNECT      0x10
#define FD_CLOSE        0x20

/*
 * All Windows Sockets error constants are biased by WSABASEERR from
 * the "normal"
 */
#define WSABASEERR              10000
/*
 * Windows Sockets definitions of regular Microsoft C error constants
 */
#define WSAEINTR                (WSABASEERR+4)
#define WSAEBADF                (WSABASEERR+9)
#define WSAEACCES               (WSABASEERR+13)
#define WSAEFAULT               (WSABASEERR+14)
#define WSAEINVAL               (WSABASEERR+22)
#define WSAEMFILE               (WSABASEERR+24)

/*
 * Windows Sockets definitions of regular Berkeley error constants
 */
#define WSAEWOULDBLOCK          (WSABASEERR+35)
#define WSAEINPROGRESS          (WSABASEERR+36)
#define WSAEALREADY             (WSABASEERR+37)
#define WSAENOTSOCK             (WSABASEERR+38)
#define WSAEDESTADDRREQ         (WSABASEERR+39)
#define WSAEMSGSIZE             (WSABASEERR+40)
#define WSAEPROTOTYPE           (WSABASEERR+41)
#define WSAENOPROTOOPT          (WSABASEERR+42)
#define WSAEPROTONOSUPPORT      (WSABASEERR+43)
#define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
#define WSAEOPNOTSUPP           (WSABASEERR+45)
#define WSAEPFNOSUPPORT         (WSABASEERR+46)
#define WSAEAFNOSUPPORT         (WSABASEERR+47)
#define WSAEADDRINUSE           (WSABASEERR+48)
#define WSAEADDRNOTAVAIL        (WSABASEERR+49)
#define WSAENETDOWN             (WSABASEERR+50)
#define WSAENETUNREACH          (WSABASEERR+51)
#define WSAENETRESET            (WSABASEERR+52)
#define WSAECONNABORTED         (WSABASEERR+53)
#define WSAECONNRESET           (WSABASEERR+54)
#define WSAENOBUFS              (WSABASEERR+55)
#define WSAEISCONN              (WSABASEERR+56)
#define WSAENOTCONN             (WSABASEERR+57)
#define WSAESHUTDOWN            (WSABASEERR+58)
#define WSAETOOMANYREFS         (WSABASEERR+59)
#define WSAETIMEDOUT            (WSABASEERR+60)
#define WSAECONNREFUSED         (WSABASEERR+61)
#define WSAELOOP                (WSABASEERR+62)
#define WSAENAMETOOLONG         (WSABASEERR+63)
#define WSAEHOSTDOWN            (WSABASEERR+64)
#define WSAEHOSTUNREACH         (WSABASEERR+65)
#define WSAENOTEMPTY            (WSABASEERR+66)
#define WSAEPROCLIM             (WSABASEERR+67)
#define WSAEUSERS               (WSABASEERR+68)
#define WSAEDQUOT               (WSABASEERR+69)
#define WSAESTALE               (WSABASEERR+70)
#define WSAEREMOTE              (WSABASEERR+71)

/*
 * Extended Windows Sockets error constant definitions
 */
#define WSASYSNOTREADY          (WSABASEERR+91)
#define WSAVERNOTSUPPORTED      (WSABASEERR+92)
#define WSANOTINITIALISED       (WSABASEERR+93)

/*
 * Error return codes from gethostbyname() and gethostbyaddr()
 * (when using the resolver). Note that these errors are
 * retrieved via WSAGetLastError() and must therefore follow
 * the rules for avoiding clashes with error numbers from
 * specific implementations or language run-time systems.
 * For this reason the codes are based at WSABASEERR+1001.
 * Note also that [WSA]NO_ADDRESS is defined only for
 * compatibility purposes.
 */

/* #define h_errno         WSAGetLastError() */

/* Authoritative Answer: Host not found */
#define WSAHOST_NOT_FOUND       (WSABASEERR+1001)

/* Non-Authoritative: Host not found, or SERVERFAIL */
#define WSATRY_AGAIN            (WSABASEERR+1002)

/* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
#define WSANO_RECOVERY          (WSABASEERR+1003)

/* Valid name, no data record of requested type */
#define WSANO_DATA              (WSABASEERR+1004)

/* no address, look for MX record */
#define WSANO_ADDRESS           WSANO_DATA

/* Socket function prototypes */

#ifdef __cplusplus
extern "C" {
#endif

/* Microsoft Windows Extension function prototypes */

INT WSAStartup(WORD wVersionRequired, LPWSADATA lpWSAData);
INT WSACleanup(void);
void WSASetLastError(INT iError);
INT WSAGetLastError(void);
BOOL WSAIsBlocking(void);
INT WSAUnhookBlockingHook(void);
FARPROC WSASetBlockingHook(FARPROC lpBlockFunc);
INT WSACancelBlockingCall(void);
HANDLE WSAAsyncGetServByName(HWND hWnd, u_int wMsg,
                             LPCSTR name, LPCSTR proto,
                             LPSTR buf, INT buflen);
HANDLE WSAAsyncGetServByPort(HWND hWnd, u_int wMsg, INT port,
                             LPCSTR proto, LPSTR buf, INT buflen);
HANDLE WSAAsyncGetProtoByName(HWND hWnd, u_int wMsg,
                              LPCSTR name, LPSTR buf, INT buflen);
HANDLE WSAAsyncGetProtoByNumber(HWND hWnd, u_int wMsg,
                                INT number, LPSTR buf, INT buflen);
HANDLE WSAAsyncGetHostByName(HWND hWnd, u_int wMsg,
                             LPCSTR name, LPSTR buf, INT buflen);
HANDLE WSAAsyncGetHostByAddr(HWND hWnd, u_int wMsg, LPCSTR addr, INT len,
                             INT type, LPSTR buf, INT buflen);
INT WSACancelAsyncRequest(HANDLE hAsyncTaskHandle);
INT WSAAsyncSelect(SOCKET s, HWND hWnd, u_int wMsg, long lEvent);

#ifdef __cplusplus
}
#endif

/* Microsoft Windows Extended data types */
typedef struct sockaddr SOCKADDR, *PSOCKADDR, *LPSOCKADDR;
typedef struct sockaddr_in SOCKADDR_IN, *PSOCKADDR_IN, *LPSOCKADDR_IN;
typedef struct linger LINGER, *PLINGER, *LPLINGER;
typedef struct in_addr IN_ADDR, *PIN_ADDR, *LPIN_ADDR;
typedef struct fd_set FD_SET, *PFD_SET, *LPFD_SET;
typedef struct hostent HOSTENT, *PHOSTENT, *LPHOSTENT;
typedef struct servent SERVENT, *PSERVENT, *LPSERVENT;
typedef struct protoent PROTOENT, *PPROTOENT, *LPPROTOENT;
typedef struct timeval TIMEVAL, *PTIMEVAL, *LPTIMEVAL;

/*
 * Windows message parameter composition and decomposition
 * macros.
 *
 * WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
 * when constructing the response to a WSAAsyncGetXByY() routine.
 */
#define WSAMAKEASYNCREPLY(buflen,error)     MAKELONG(buflen,error)
/*
 * WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
 * when constructing the response to WSAAsyncSelect().
 */
#define WSAMAKESELECTREPLY(event,error)     MAKELONG(event,error)
/*
 * WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
 * to extract the buffer length from the lParam in the response
 * to a WSAGetXByY().
 */
#define WSAGETASYNCBUFLEN(lParam)           LOWORD(lParam)
/*
 * WSAGETASYNCERROR is intended for use by the Windows Sockets application
 * to extract the error code from the lParam in the response
 * to a WSAGetXByY().
 */
#define WSAGETASYNCERROR(lParam)            HIWORD(lParam)
/*
 * WSAGETSELECTEVENT is intended for use by the Windows Sockets application
 * to extract the event code from the lParam in the response
 * to a WSAAsyncSelect().
 */
#define WSAGETSELECTEVENT(lParam)           LOWORD(lParam)
/*
 * WSAGETSELECTERROR is intended for use by the Windows Sockets application
 * to extract the error code from the lParam in the response
 * to a WSAAsyncSelect().
 */
#define WSAGETSELECTERROR(lParam)           HIWORD(lParam)

#endif  /* _WINSOCKAPI_ */