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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1995 - 1999
//
// File: gttran.h
//
// Contents: Generic Transport APIs
//
// APIs:
// GTOpen
// GTSend
// GTFree
// GTReceive
// GTClose
// GTRecSend
// GTInitSrv
// GTUnInitSrv
//
// Created KeithV
//--------------------------------------------------------------------------
#ifndef _HGTTRAN_H_
#define _HGTTRAN_H_
#include <tchar.h>
#ifdef __cplusplus
extern "C" {#endif
//+-------------------------------------------------------------------------
// Encoding types
//
// Because the Composit type for ASN is 0x30, we will define this to
// be the encoding type for it.
//--------------------------------------------------------------------------
#define ASCII_ENCODING 0x0
#define TLV_ENCODING 0x1
#define IDL_ENCODING 0x2
#define OCTET_ENCODING 0x3
#define ASN_ENCODING 0x30
//+-------------------------------------------------------------------------
// Functions will allow you to read, write or both
// To do both, OR (|) them together.
//--------------------------------------------------------------------------
#define GTREAD 0x00000001
#define GTWRITE 0x00000002
typedef ULONG_PTR HGT;
//+-------------------------------------------------------------------------
// Any receiving (listening) DLL must export these functions
//--------------------------------------------------------------------------
typedef DWORD (__stdcall * PFNGTRecSend) (DWORD dwEncoding, DWORD cb, const BYTE * pbIn, DWORD * pcbOut, BYTE ** ppbOut);typedef DWORD (__stdcall * PFNGTFree) (BYTE * pb);
//+-------------------------------------------------------------------------
// Functions used by and application that wants to send a message
// Just like File IO
//--------------------------------------------------------------------------
DWORD __stdcall GTOpen(HGT * phTran, const TCHAR * szLibrary, const TCHAR * tszBinding, DWORD fOpen);DWORD __stdcall GTSend(HGT hTran, DWORD dwEncoding, DWORD cbSendBuff, const BYTE * pbSendBuff);DWORD __stdcall GTFree(HGT hTran, BYTE * pb);DWORD __stdcall GTReceive(HGT hTran, DWORD * pdwEncoding, DWORD * pcbReceiveBuff, BYTE ** ppbReceiveBuff);DWORD __stdcall GTClose(HGT hTran);
//+-------------------------------------------------------------------------
// Listening functions for a listening application.
// The GTFree prototype is also used as specified above
//--------------------------------------------------------------------------
DWORD __stdcall GTRecSend(DWORD dwEncoding, DWORD cb, const BYTE * pbIn, DWORD * pcbOut, BYTE ** ppbOut);
//+-------------------------------------------------------------------------
// Additonal private listening functions for a listening application.
// Not generally implemented.
//--------------------------------------------------------------------------
DWORD __stdcall GTRecSendNoEncrypt(DWORD dwEncoding, DWORD cb, const BYTE * pbIn, DWORD * pcbOut, BYTE ** ppbOut);
//+-------------------------------------------------------------------------
// Used to init a receiving DLL, particularly useful for HTTP BGI, CGI application
//--------------------------------------------------------------------------
DWORD __stdcall GTInitSrv(TCHAR * tszLibrary);DWORD __stdcall GTUnInitSrv(void);
#ifdef __cplusplus
}#endif
#endif
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