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/*
httpext.h - Header for ISAPI extensions.
This file is part of a free library for the Win32 API.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _HTTPEXT_H
#define _HTTPEXT_H
#include <windows.h>
#ifdef __cplusplus
extern "C" {
#endif
#define HSE_VERSION_MAJOR 2
#define HSE_VERSION_MINOR 0
#define HSE_LOG_BUFFER_LEN 80
#define HSE_MAX_EXT_DLL_NAME_LEN 256
#define HSE_STATUS_SUCCESS 1
#define HSE_STATUS_SUCCESS_AND_KEEP_CONN 2
#define HSE_STATUS_PENDING 3
#define HSE_STATUS_ERROR 4
#define HSE_REQ_BASE 0
#define HSE_REQ_SEND_URL_REDIRECT_RESP 1
#define HSE_REQ_SEND_URL 2
#define HSE_REQ_SEND_RESPONSE_HEADER 3
#define HSE_REQ_DONE_WITH_SESSION 4
#define HSE_REQ_END_RESERVED 1000
#define HSE_TERM_ADVISORY_UNLOAD 0x00000001
#define HSE_TERM_MUST_UNLOAD 0x00000002
#define HSE_IO_SYNC 0x00000001
#define HSE_IO_ASYNC 0x00000002
#define HSE_IO_DISCONNECT_AFTER_SEND 0x00000004
#define HSE_IO_SEND_HEADERS 0x00000008
typedef LPVOID HCONN;
typedef struct _HSE_VERSION_INFO {
DWORD dwExtensionVersion;
CHAR lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN];
} HSE_VERSION_INFO, *LPHSE_VERSION_INFO;
typedef struct _EXTENSION_CONTROL_BLOCK {
DWORD cbSize;
DWORD dwVersion;
HCONN ConnID;
DWORD dwHttpStatusCode;
CHAR lpszLogData[HSE_LOG_BUFFER_LEN];
LPSTR lpszMethod;
LPSTR lpszQueryString;
LPSTR lpszPathInfo;
LPSTR lpszPathTranslated;
DWORD cbTotalBytes;
DWORD cbAvailable;
LPBYTE lpbData;
LPSTR lpszContentType;
BOOL (PASCAL *GetServerVariable)(HCONN,LPSTR,LPVOID,LPDWORD);
BOOL (PASCAL *WriteClient)(HCONN,LPVOID,LPDWORD,DWORD);
BOOL (PASCAL *ReadClient)(HCONN,LPVOID,LPDWORD);
BOOL (PASCAL *ServerSupportFunction)(HCONN,DWORD,LPVOID,LPDWORD,LPDWORD);
} EXTENSION_CONTROL_BLOCK, *LPEXTENSION_CONTROL_BLOCK;
typedef BOOL (PASCAL *PFN_GETEXTENSIONVERSION)(HSE_VERSION_INFO*);
typedef DWORD (PASCAL *PFN_HTTPEXTENSIONPROC)(EXTENSION_CONTROL_BLOCK*);
typedef BOOL (PASCAL *PFN_TERMINATEEXTENSION)(DWORD);
typedef VOID (PASCAL *PFN_HSE_IO_COMPLETION)(EXTENSION_CONTROL_BLOCK*,PVOID,DWORD,DWORD);
typedef struct _HSE_TF_INFO {
PFN_HSE_IO_COMPLETION pfnHseIO;
PVOID pContext;
HANDLE hFile;
LPCSTR pszStatusCode;
DWORD BytesToWrite;
DWORD Offset;
PVOID pHead;
DWORD HeadLength;
PVOID pTail;
DWORD TailLength;
DWORD dwFlags;
} HSE_TF_INFO, *LPHSE_TF_INFO;
BOOL PASCAL GetExtensionVersion(HSE_VERSION_INFO*);
DWORD PASCAL HttpExtensionProc(EXTENSION_CONTROL_BLOCK*);
BOOL PASCAL TerminateExtension(DWORD);
#ifdef __cplusplus
}
#endif
#endif /* _HTTPEXT_H */
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