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/** :IH1: Copyright (C) Maynard Electronics, Inc. 1984-89
:Name: IPX.H
:Description: Header file for all IPX functions.
$Log: G:/LOGFILES/IPX.H_V $
*
* Rev 1.0 09 May 1991 13:33:16 HUNTER
* Initial revision.
$Log$
Rev 2.2 16 Jan 1991 08:53:22 JIMG
Use ScheduleIPXEvent
Rev 2.1 17 Dec 1990 10:19:30 JIMG
Fixed spelling error in function name
Rev 2.0 21 May 1990 14:02:22 PAT
Baseline Maynstream 3.1
Initial revision.
**/
#ifndef IPX
#define IPX
#pragma pack(1) /* force byte allignment */
typedef struct IPX_NETWORK { UINT8 digits[4]; } IPX_NETWORK;
typedef struct IPX_NODE { UINT8 digits[6]; } IPX_NODE;
typedef struct IPX_SOCKET { UINT8 digits[2]; } IPX_SOCKET;
typedef IPX_NETWORK far *IPX_NETWORK_PTR;
typedef struct IPXAddress
{
IPX_NETWORK network; /* high-low */
IPX_NODE node; /* high-low */
IPX_SOCKET socket; /* high-low */
} IPXAddress;
typedef IPXAddress far *IPXAddress_PTR;
typedef struct IPXHeader
{
UINT16 checkSum; /* high-low */
UINT16 length; /* high-low */
UINT8 transportControl;
UINT8 packetType; /* must initialize for send */
IPXAddress destination; /* must initialize for send */
IPXAddress source; /* ??? */
} IPXHeader;
typedef IPXHeader far *IPXHeader_PTR;
typedef struct ECBFragment
{
VOID far *address;
UINT16 size; /* low-high */
} ECBFragment;
typedef VOID (far *FAR_PF_VOID)();
typedef struct ECB
{
VOID far *linkAddress;
FAR_PF_VOID ESRAddress; /* must initialize */
UINT8 inUseFlag;
UINT8 completionCode;
UINT16 socketNumber; /* high-low, must initialize */
UINT8 IPXWorkspace[4];
UINT8 driverWorkspace[12];
IPX_NODE immediateAddress; /* high-low, must initialize for send */
UINT16 fragmentCount; /* low-high, must initialize */
ECBFragment fragmentDescriptor[1]; /* must initialize */
} ECB;
typedef ECB far *ECB_PTR;
/* You must have at least one fragment for the IPXHeader. If you want */
/* to break up the data into more fragments then you must declare an */
/* ECB and as many additional fragments as you need in a single */
/* structure. */
/* */
/* Example: typedef struct ECB3 { */
/* ECB ecb; */
/* ECBFragment fragmentDescriptor[2]; */
/* } ECB3; */
/* ECB3 foo; */
/* You should refer to the last two fragments as */
/* foo.ecb.fragmentDescriptor[1] and foo.ecb.fragmentDescriptor[2]. */
BOOLEAN IPXInitialize( VOID );
UINT8 IPXOpenSocket( UINT16 *socketNumber_ptr, UINT16 socketLongevity );
VOID IPXSendPacket( ECB far *eventControlBlock_ptr );
VOID IPXListenForPacket( ECB far *eventControlBlock_ptr );
VOID IPXCloseSocket( UINT16 socketNumber );
UINT8 IPXGetLocalTarget( IPXAddress far *networkAddress_ptr, VOID far *immediateAddress_ptr,
UINT16 far *transportTime_ptr );
VOID IPXGetInternetworkAddress( IPXAddress far *networkAddress_ptr );
VOID IPXScheduleIPXEvent( ECB far *eventControlBlock_ptr, UINT16 delay_time );
UINT8 IPXCancelEvent( ECB far *eventControlBlock_ptr );
UINT16 IPXGetIntervalMarker( VOID );
VOID IPXRelinquishControl( VOID ) ;
VOID LogIPXCall( UINT16 CallerID,ECB far *ecb_ptr ) ;
#ifdef MSDEBUG
#define IPXLog(x,y) LogIPXCall(x,y)
#else
#define IPXLog(x,y)
#endif
#define Hi(x) ((UINT8) ((x) >> 8 ))
#define Lo(x) ((UINT8) ((x) & 0x00FF))
#define Int16Swap(x) ( ( Lo(x) << 8 ) | Hi(x) )
#define IPX_MAX_DATA_SIZE (576 - sizeof( IPXHeader ))
#endif
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