#ifndef PADSOCKET_H

#define PADSOCKET_H

#include "pad.h"

#include <errno.h>

#ifdef WIN32

//Each app must set FD_SETSIZE to required value before including padsocket.h

//#define FD_SETSIZE 128 /* MAX Num sockets for select */

//else default (of 64) used.

#include <winsock.h>

/* Following defines are actually commented out in winsock.h cos they conflict win errno.h on NT ? */

#define EWOULDBLOCK WSAEWOULDBLOCK

#define EINPROGRESS WSAEINPROGRESS

#define EALREADY WSAEALREADY

#define ENOTSOCK WSAENOTSOCK

#define EDESTADDRREQ WSAEDESTADDRREQ

#define EMSGSIZE WSAEMSGSIZE

#define EPROTOTYPE WSAEPROTOTYPE

#define ENOPROTOOPT WSAENOPROTOOPT

#define EPROTONOSUPPORT WSAEPROTONOSUPPORT

#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT

#define EOPNOTSUPP WSAEOPNOTSUPP

#define EPFNOSUPPORT WSAEPFNOSUPPORT

#define EAFNOSUPPORT WSAEAFNOSUPPORT

#define EADDRINUSE WSAEADDRINUSE

#define EADDRNOTAVAIL WSAEADDRNOTAVAIL

#define ENETDOWN WSAENETDOWN

#define ENETUNREACH WSAENETUNREACH

#define ENETRESET WSAENETRESET

#define ECONNABORTED WSAECONNABORTED

#define ECONNRESET WSAECONNRESET

#define ENOBUFS WSAENOBUFS

#define EISCONN WSAEISCONN

#define ENOTCONN WSAENOTCONN

#define ESHUTDOWN WSAESHUTDOWN

#define ETOOMANYREFS WSAETOOMANYREFS

#undef ETIMEDOUT /* pthreads.h from cygnus defines this as arbitrary value (make

sure don't mix this & pthreads code*/

#define ETIMEDOUT WSAETIMEDOUT

#define ECONNREFUSED WSAECONNREFUSED

#define ELOOP WSAELOOP

//#define ENAMETOOLONG WSAENAMETOOLONG

#define EHOSTDOWN WSAEHOSTDOWN

#define EHOSTUNREACH WSAEHOSTUNREACH

//#define ENOTEMPTY WSAENOTEMPTY

#define EPROCLIM WSAEPROCLIM

#define EUSERS WSAEUSERS

#define EDQUOT WSAEDQUOT

#define ESTALE WSAESTALE

#define EREMOTE WSAEREMOTE

#else //POSIX

#include <netinet/tcp.h>

#include <netinet/ip.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

#include <netdb.h>

#include <unistd.h>

typedef int SOCKET;

#endif

/*

* This is used instead of -1, since the

* SOCKET type is unsigned. This taken from

* winsock.h incase not used on POSIX

*/

#undef INVALID_SOCKET

#define INVALID_SOCKET (SOCKET)(~0)

#ifdef __cplusplus

extern "C" {

#endif //__cplusplus

int readn(register SOCKET fd, register char* ptr, register int nbytes);

int writen(register SOCKET fd, register char* ptr, register int nbytes);

unsigned long int getIPAddress(const char* peerName, char* IPaddress, const int bufSize);

unsigned long int getMyIPAddress(struct sockaddr* peer, char* IPaddress, const int bufSize);

int getSocketSysError(void);

int getSocketSysGenericError(int errornum);

int getSocketError(SOCKET s);

typedef enum

{

tconnect_SUCCESS,

tconnect_TIMEOUT,

tconnect_CONNECT_FAILED,

tconnect_ERROR,

tconnect_UNKNOWN

} tconnect_t;

tconnect_t tconnect(SOCKET s, struct sockaddr* peer, int addrlen, long timeout, char* errMsg, int errMsgSize);

tconnect_t thalf_connect(struct sockaddr* peer, int addrlen, long timeout, char* errMsg, int errMsgSize);

/* following are useful when using function pointers to select between tconnect and thalf_connect.

usage is something like:

tconnect_func_t tconnect_func;

type == stealth ? tconnect_func = thalf_connect_wrapper: tconnect_func = tconnect */

typedef tconnect_t (*tconnect_func_t)(int,struct sockaddr*,int,long,char*,int);

tconnect_t thalf_connect_wrapper(int s, struct sockaddr* peer, int addrlen, long timeout, char* errMsg, int errMsgSize);

STATUS_t setBlocking(SOCKET s, BOOL_t state, BOOL_t* changeRequired, char* errMsg, int errMsgSize);

typedef enum

{

IsReady_YES,

IsReady_NO,

IsReady_ERROR

} IsReady_t;

typedef enum

{

socketEvent_READ= 1,

socketEvent_WRITE= 2,

socketEvent_EXCEPTION= 4

} socketEvent_t;

IsReady_t IsSocketReady(SOCKET s, socketEvent_t forWhat, long timeout, char* errMsg, int errMsgSize);

#ifdef WIN32

typedef enum

{

FIONBIO_BLOCKING = 0,

FIONBIO_NONBLOCKING

}FIONBIO_t;

#endif //WIN32

#ifdef __cplusplus

}

#endif //__cplusplus

#endif //PADSOCKET_H