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00001 /*
00002        httpext.h - Header for ISAPI extensions.
00003 
00004        This file is part of a free library for the Win32 API.
00005 
00006        This library is distributed in the hope that it will be useful,
00007        but WITHOUT ANY WARRANTY; without even the implied warranty of
00008        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00009 */
00010 
00011 #ifndef _HTTPEXT_H
00012 #define _HTTPEXT_H
00013 
00014 #include <windows.h>
00015 
00016 #ifdef __cplusplus
00017 extern "C" {
00018 #endif
00019 
00020 #define HSE_VERSION_MAJOR   2
00021 #define HSE_VERSION_MINOR   0
00022 #define HSE_LOG_BUFFER_LEN  80
00023 #define HSE_MAX_EXT_DLL_NAME_LEN    256
00024 #define HSE_STATUS_SUCCESS  1
00025 #define HSE_STATUS_SUCCESS_AND_KEEP_CONN    2
00026 #define HSE_STATUS_PENDING  3
00027 #define HSE_STATUS_ERROR    4
00028 #define HSE_REQ_BASE    0
00029 #define HSE_REQ_SEND_URL_REDIRECT_RESP  1
00030 #define HSE_REQ_SEND_URL    2
00031 #define HSE_REQ_SEND_RESPONSE_HEADER    3
00032 #define HSE_REQ_DONE_WITH_SESSION   4
00033 #define HSE_REQ_END_RESERVED    1000
00034 #define HSE_TERM_ADVISORY_UNLOAD    0x00000001
00035 #define HSE_TERM_MUST_UNLOAD    0x00000002
00036 #define HSE_IO_SYNC 0x00000001
00037 #define HSE_IO_ASYNC    0x00000002
00038 #define HSE_IO_DISCONNECT_AFTER_SEND    0x00000004
00039 #define HSE_IO_SEND_HEADERS 0x00000008
00040 typedef LPVOID HCONN;
00041 typedef struct _HSE_VERSION_INFO {
00042     DWORD   dwExtensionVersion;
00043     CHAR    lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN];
00044 } HSE_VERSION_INFO, *LPHSE_VERSION_INFO;
00045 typedef struct _EXTENSION_CONTROL_BLOCK {
00046     DWORD   cbSize;
00047     DWORD   dwVersion;
00048     HCONN   ConnID;
00049     DWORD   dwHttpStatusCode;
00050     CHAR    lpszLogData[HSE_LOG_BUFFER_LEN];
00051     LPSTR   lpszMethod;
00052     LPSTR   lpszQueryString;
00053     LPSTR   lpszPathInfo;
00054     LPSTR   lpszPathTranslated;
00055     DWORD   cbTotalBytes;
00056     DWORD   cbAvailable;
00057     LPBYTE  lpbData;
00058     LPSTR   lpszContentType;
00059     BOOL    (PASCAL *GetServerVariable)(HCONN,LPSTR,LPVOID,LPDWORD);
00060     BOOL    (PASCAL *WriteClient)(HCONN,LPVOID,LPDWORD,DWORD);
00061     BOOL    (PASCAL *ReadClient)(HCONN,LPVOID,LPDWORD);
00062     BOOL    (PASCAL *ServerSupportFunction)(HCONN,DWORD,LPVOID,LPDWORD,LPDWORD);
00063 } EXTENSION_CONTROL_BLOCK, *LPEXTENSION_CONTROL_BLOCK;
00064 typedef BOOL    (PASCAL *PFN_GETEXTENSIONVERSION)(HSE_VERSION_INFO*);
00065 typedef DWORD   (PASCAL *PFN_HTTPEXTENSIONPROC)(EXTENSION_CONTROL_BLOCK*);
00066 typedef BOOL    (PASCAL *PFN_TERMINATEEXTENSION)(DWORD);
00067 typedef VOID    (PASCAL *PFN_HSE_IO_COMPLETION)(EXTENSION_CONTROL_BLOCK*,PVOID,DWORD,DWORD);
00068 typedef struct _HSE_TF_INFO {
00069     PFN_HSE_IO_COMPLETION pfnHseIO;
00070     PVOID pContext;
00071     HANDLE hFile;
00072     LPCSTR pszStatusCode;
00073     DWORD BytesToWrite;
00074     DWORD Offset;
00075     PVOID pHead;
00076     DWORD HeadLength;
00077     PVOID pTail;
00078     DWORD TailLength;
00079     DWORD dwFlags;
00080 } HSE_TF_INFO, *LPHSE_TF_INFO;
00081 BOOL    PASCAL  GetExtensionVersion(HSE_VERSION_INFO*);
00082 DWORD   PASCAL  HttpExtensionProc(EXTENSION_CONTROL_BLOCK*);
00083 BOOL    PASCAL  TerminateExtension(DWORD);
00084 #ifdef __cplusplus
00085 }
00086 #endif
00087 #endif /* _HTTPEXT_H */
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