include/httpext.h

   1 /*
   2        httpext.h - Header for ISAPI extensions.
   3
   4        This file is part of a free library for the Win32 API.
   5
   6        This library is distributed in the hope that it will be useful,
   7        but WITHOUT ANY WARRANTY; without even the implied warranty of
   8        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   9 */
  10
  11 #ifndef _HTTPEXT_H
  12 #define _HTTPEXT_H
  13
  14 #include <windows.h>
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 #define HSE_VERSION_MAJOR       2
  21 #define HSE_VERSION_MINOR       0
  22 #define HSE_LOG_BUFFER_LEN      80
  23 #define HSE_MAX_EXT_DLL_NAME_LEN        256
  24 #define HSE_STATUS_SUCCESS      1
  25 #define HSE_STATUS_SUCCESS_AND_KEEP_CONN        2
  26 #define HSE_STATUS_PENDING      3
  27 #define HSE_STATUS_ERROR        4
  28 #define HSE_REQ_BASE    0
  29 #define HSE_REQ_SEND_URL_REDIRECT_RESP  1
  30 #define HSE_REQ_SEND_URL        2
  31 #define HSE_REQ_SEND_RESPONSE_HEADER    3
  32 #define HSE_REQ_DONE_WITH_SESSION       4
  33 #define HSE_REQ_END_RESERVED    1000
  34 #define HSE_TERM_ADVISORY_UNLOAD        0x00000001
  35 #define HSE_TERM_MUST_UNLOAD    0x00000002
  36 #define HSE_IO_SYNC     0x00000001
  37 #define HSE_IO_ASYNC    0x00000002
  38 #define HSE_IO_DISCONNECT_AFTER_SEND    0x00000004
  39 #define HSE_IO_SEND_HEADERS     0x00000008
  40 typedef LPVOID HCONN;
  41 typedef struct _HSE_VERSION_INFO {
  42         DWORD   dwExtensionVersion;
  43         CHAR    lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN];
  44 } HSE_VERSION_INFO, *LPHSE_VERSION_INFO;
  45 typedef struct _EXTENSION_CONTROL_BLOCK {
  46         DWORD   cbSize;
  47         DWORD   dwVersion;
  48         HCONN   ConnID;
  49         DWORD   dwHttpStatusCode;
  50         CHAR    lpszLogData[HSE_LOG_BUFFER_LEN];
  51         LPSTR   lpszMethod;
  52         LPSTR   lpszQueryString;
  53         LPSTR   lpszPathInfo;
  54         LPSTR   lpszPathTranslated;
  55         DWORD   cbTotalBytes;
  56         DWORD   cbAvailable;
  57         LPBYTE  lpbData;
  58         LPSTR   lpszContentType;
  59         BOOL    (PASCAL *GetServerVariable)(HCONN,LPSTR,LPVOID,LPDWORD);
  60         BOOL    (PASCAL *WriteClient)(HCONN,LPVOID,LPDWORD,DWORD);
  61         BOOL    (PASCAL *ReadClient)(HCONN,LPVOID,LPDWORD);
  62         BOOL    (PASCAL *ServerSupportFunction)(HCONN,DWORD,LPVOID,LPDWORD,LPDWORD);
  63 } EXTENSION_CONTROL_BLOCK, *LPEXTENSION_CONTROL_BLOCK;
  64 typedef BOOL    (PASCAL *PFN_GETEXTENSIONVERSION)(HSE_VERSION_INFO*);
  65 typedef DWORD   (PASCAL *PFN_HTTPEXTENSIONPROC)(EXTENSION_CONTROL_BLOCK*);
  66 typedef BOOL    (PASCAL *PFN_TERMINATEEXTENSION)(DWORD);
  67 typedef VOID    (PASCAL *PFN_HSE_IO_COMPLETION)(EXTENSION_CONTROL_BLOCK*,PVOID,DWORD,DWORD);
  68 typedef struct _HSE_TF_INFO {
  69         PFN_HSE_IO_COMPLETION pfnHseIO;
  70         PVOID pContext;
  71         HANDLE hFile;
  72         LPCSTR pszStatusCode;
  73         DWORD BytesToWrite;
  74         DWORD Offset;
  75         PVOID pHead;
  76         DWORD HeadLength;
  77         PVOID pTail;
  78         DWORD TailLength;
  79         DWORD dwFlags;
  80 } HSE_TF_INFO, *LPHSE_TF_INFO;
  81 BOOL    PASCAL  GetExtensionVersion(HSE_VERSION_INFO*);
  82 DWORD   PASCAL  HttpExtensionProc(EXTENSION_CONTROL_BLOCK*);
  83 BOOL    PASCAL  TerminateExtension(DWORD);
  84 #ifdef __cplusplus
  85 }
  86 #endif
  87 #endif /* _HTTPEXT_H */