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/*****************************************************************************/
/*
CGISAPI.H
20-NOV-1999 MGD add HSE_REQ_DLL_WRITE_BUFFER_SIZE
14-MAR-1999 MGD initial
*/
/*****************************************************************************/
/* definitions that normally come from <windows.h> */
#define CONST const
#define CHAR char
#define BYTE char
#define WORD short
#define BOOL unsigned int
#define DWORD unsigned long int
#define LPDWORD DWORD*
#define LPBYTE BYTE*
#define WINAPI
typedef void* LPVOID;
typedef char* LPSTR;
/* ISAPI header information */
#define HSE_VERSION_MAJOR 1 /* major version */
#define HSE_VERSION_MINOR 0 /* minor version */
#define HSE_LOG_BUFFER_LEN 80
#define HSE_MAX_EXT_DLL_NAME_LEN 256
typedef LPVOID HCONN;
/* status codes returned by the Extension DLL */
#define HSE_STATUS_SUCCESS 1
#define HSE_STATUS_SUCCESS_AND_KEEP_CONN 2
#define HSE_STATUS_PENDING 3
#define HSE_STATUS_ERROR 4
/*
values to request services with the ServerSupportFunction()
(0 to 1000 are reserved for future versions of the interface)
*/
#define HSE_REQ_BASE 0
#define HSE_REQ_SEND_URL_REDIRECT_RESP (HSE_REQ_BASE+1)
#define HSE_REQ_SEND_URL (HSE_REQ_BASE+2)
#define HSE_REQ_SEND_RESPONSE_HEADER (HSE_REQ_BASE+3)
#define HSE_REQ_DONE_WITH_SESSION (HSE_REQ_BASE+4)
#define HSE_REQ_END_RESERVED 1000
/* WASD CGIsapi DLL debug extensions */
#define HSE_REQ_DLL_DEBUG_ON (HSE_REQ_END_RESERVED+1001)
#define HSE_REQ_DLL_DEBUG_OFF (HSE_REQ_END_RESERVED+1002)
#define HSE_REQ_DLL_WRITE_BUFFER_SIZE (HSE_REQ_END_RESERVED+1003)
/* structure for GetExtensionVersion() */
typedef struct _HSE_VERSION_INFO
{
DWORD dwExtensionVersion;
CHAR lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN];
}
HSE_VERSION_INFO,
*LPHSE_VERSION_INFO;
/* structure for extension procedure on a new request */
typedef struct _EXTENSION_CONTROL_BLOCK
{
DWORD cbSize; /* size of this structure */
DWORD dwVersion; /* ISAPI version */
HCONN ConnID; /* context ... not to be modified! */
DWORD dwHttpStatusCode; /* HTTP status code */
CHAR lpszLogData [HSE_LOG_BUFFER_LEN]; /* null terminated log info */
LPSTR lpszMethod; /* REQUEST_METHOD */
LPSTR lpszQueryString; /* QUERY_STRING */
LPSTR lpszPathInfo; /* PATH_INFO */
LPSTR lpszPathTranslated; /* PATH_TRANSLATED */
DWORD cbTotalBytes; /* CONTENT_LENGTH */
DWORD cbAvailable; /* bytes available in 'lpbData' */
LPBYTE lpbData; /* pointer to 'cbAvailable' bytes */
LPSTR lpszContentType; /* CONTENT_TYPE */
/* callback function */
BOOL (WINAPI * GetServerVariable)(HCONN hConn,
LPSTR lpszVariableName,
LPVOID lpvBuffer,
LPDWORD lpdwSize);
/* callback function */
BOOL (WINAPI* WriteClient)(HCONN ConnID,
LPVOID Buffer,
LPDWORD lpdwBytes,
DWORD dwReserved);
/* callback function */
BOOL (WINAPI* ReadClient)(HCONN ConnID,
LPVOID lpvBuffer,
LPDWORD lpdwSize);
/* callback function */
BOOL (WINAPI* ServerSupportFunction)(HCONN hConn,
DWORD dwHSERRequest,
LPVOID lpvBuffer,
LPDWORD lpdwSize,
LPDWORD lpdwDataType);
}
EXTENSION_CONTROL_BLOCK,
*LPEXTENSION_CONTROL_BLOCK;
/* prototypes for functions that must be exported from the extension DLL */
BOOL WINAPI GetExtensionVersion (HSE_VERSION_INFO *pVer);
DWORD WINAPI HttpExtensionProc (EXTENSION_CONTROL_BLOCK *pECB);
/*****************************************************************************/