ws2spi.h

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    LPARAM lParam
    );

typedef
int
(WSPAPI * LPWPUQUERYBLOCKINGCALLBACK)(
    DWORD dwCatalogEntryId,
    LPBLOCKINGCALLBACK FAR * lplpfnCallback,
    PDWORD_PTR lpdwContext,
    LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWPUQUERYSOCKETHANDLECONTEXT)(
    SOCKET s,
    PDWORD_PTR lpContext,
    LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWPUQUEUEAPC)(
    LPWSATHREADID lpThreadId,
    LPWSAUSERAPC lpfnUserApc,
    DWORD_PTR dwContext,
    LPINT lpErrno
    );

typedef
BOOL
(WSPAPI * LPWPURESETEVENT)(
    WSAEVENT hEvent,
    LPINT lpErrno
    );

typedef
BOOL
(WSPAPI * LPWPUSETEVENT)(
    WSAEVENT hEvent,
    LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWPUOPENCURRENTTHREAD)(
    LPWSATHREADID lpThreadId,
    LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWPUCLOSETHREAD)(
    LPWSATHREADID lpThreadId,
    LPINT lpErrno
    );


// Available only directly from ws2_32.dll
typedef
int
(WSPAPI * LPWPUCOMPLETEOVERLAPPEDREQUEST) (
    IN SOCKET s, 	
    LPWSAOVERLAPPED lpOverlapped, 	
    DWORD dwError, 	
    DWORD cbTransferred, 	
    LPINT lpErrno
);

/*
 * The upcall table. This structure is passed by value to the service
 * provider's WSPStartup() entrypoint.
 */

typedef struct _WSPUPCALLTABLE {

    LPWPUCLOSEEVENT               lpWPUCloseEvent;
    LPWPUCLOSESOCKETHANDLE        lpWPUCloseSocketHandle;
    LPWPUCREATEEVENT              lpWPUCreateEvent;
    LPWPUCREATESOCKETHANDLE       lpWPUCreateSocketHandle;
    LPWPUFDISSET                  lpWPUFDIsSet;
    LPWPUGETPROVIDERPATH          lpWPUGetProviderPath;
    LPWPUMODIFYIFSHANDLE          lpWPUModifyIFSHandle;
    LPWPUPOSTMESSAGE              lpWPUPostMessage;
    LPWPUQUERYBLOCKINGCALLBACK    lpWPUQueryBlockingCallback;
    LPWPUQUERYSOCKETHANDLECONTEXT lpWPUQuerySocketHandleContext;
    LPWPUQUEUEAPC                 lpWPUQueueApc;
    LPWPURESETEVENT               lpWPUResetEvent;
    LPWPUSETEVENT                 lpWPUSetEvent;
    LPWPUOPENCURRENTTHREAD        lpWPUOpenCurrentThread;
    LPWPUCLOSETHREAD              lpWPUCloseThread;

} WSPUPCALLTABLE, FAR * LPWSPUPCALLTABLE;

/*
 *  WinSock 2 SPI socket function prototypes
 */

int
WSPAPI
WSPStartup(
    IN WORD wVersionRequested,
    OUT LPWSPDATA lpWSPData,
    IN LPWSAPROTOCOL_INFOW lpProtocolInfo,
    IN WSPUPCALLTABLE UpcallTable,
    OUT LPWSPPROC_TABLE lpProcTable
    );

typedef
int
(WSPAPI * LPWSPSTARTUP)(
    WORD wVersionRequested,
    LPWSPDATA lpWSPData,
    LPWSAPROTOCOL_INFOW lpProtocolInfo,
    WSPUPCALLTABLE UpcallTable,
    LPWSPPROC_TABLE lpProcTable
    );

/*
 * Installation and configuration entrypoints.
 */

int
WSPAPI
WSCEnumProtocols(
    IN LPINT lpiProtocols,
    OUT LPWSAPROTOCOL_INFOW lpProtocolBuffer,
    IN OUT LPDWORD lpdwBufferLength,
    OUT LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWSCENUMPROTOCOLS)(
    LPINT lpiProtocols,
    LPWSAPROTOCOL_INFOW lpProtocolBuffer,
    LPDWORD lpdwBufferLength,
    LPINT lpErrno
    );

int
WSPAPI
WSCDeinstallProvider(
    IN LPGUID lpProviderId,
    OUT LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWSCDEINSTALLPROVIDER)(
    LPGUID lpProviderId,
    LPINT lpErrno
    );

int
WSPAPI
WSCInstallProvider(
    IN LPGUID lpProviderId,
    IN const WCHAR FAR * lpszProviderDllPath,
    IN const LPWSAPROTOCOL_INFOW lpProtocolInfoList,
    IN DWORD dwNumberOfEntries,
    OUT LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWSCINSTALLPROVIDER)(
    LPGUID lpProviderId,
    const WCHAR FAR * lpszProviderDllPath,
    const LPWSAPROTOCOL_INFOW lpProtocolInfoList,
    DWORD dwNumberOfEntries,
    LPINT lpErrno
    );

int
WSPAPI
WSCGetProviderPath(
    IN LPGUID lpProviderId,
    OUT WCHAR FAR * lpszProviderDllPath,
    IN OUT LPINT lpProviderDllPathLen,
    OUT LPINT lpErrno
    );

typedef
int
(WSPAPI * LPWSCGETPROVIDERPATH)(
    LPGUID lpProviderId,
    WCHAR FAR * lpszProviderDllPath,
    LPINT lpProviderDllPathLen,
    LPINT lpErrno
    );

int
WSPAPI
WSCInstallQOSTemplate (
    IN  const LPGUID    Guid,
    IN  LPWSABUF        QosName,
    IN  LPQOS           Qos
    );

typedef
int
(WSPAPI * LPWSCINSTALLQOSTEMPLATE)(
    const LPGUID    Guid,
    LPWSABUF        QosName,
    LPQOS           Qos
    );

int
WSPAPI
WSCRemoveQOSTemplate (
    IN  const LPGUID    Guid,
    IN  LPWSABUF        QosName
    );

typedef
int
(WSPAPI * LPWSCREMOVEQOSTEMPLATE)(
    const LPGUID    Guid,
    LPWSABUF        QosName
    );

/*
 *  The following upcall function prototypes are only used by WinSock 2 DLL and
 *  should not be used by any service providers.
 */

BOOL
WSPAPI
WPUCloseEvent(
    IN WSAEVENT hEvent,
    OUT LPINT lpErrno
    );

int
WSPAPI
WPUCloseSocketHandle(
    IN SOCKET s,
    OUT LPINT lpErrno
    );

WSAEVENT
WSPAPI
WPUCreateEvent(
    OUT LPINT lpErrno
    );

SOCKET
WSPAPI
WPUCreateSocketHandle(
    IN DWORD dwCatalogEntryId,
    IN DWORD_PTR dwContext,
    OUT LPINT lpErrno
    );

int
WSPAPI
WPUFDIsSet(
    IN SOCKET s,
    IN fd_set FAR * fdset
    );

int
WSPAPI
WPUGetProviderPath(
    IN LPGUID lpProviderId,
    OUT WCHAR FAR * lpszProviderDllPath,
    IN OUT LPINT lpProviderDllPathLen,
    OUT LPINT lpErrno
    );

SOCKET
WSPAPI
WPUModifyIFSHandle(
    IN DWORD dwCatalogEntryId,
    IN SOCKET ProposedHandle,
    OUT LPINT lpErrno
    );

BOOL
WSPAPI
WPUPostMessage(
    IN HWND hWnd,
    IN UINT Msg,
    IN WPARAM wParam,
    IN LPARAM lParam
    );

int
WSPAPI
WPUQueryBlockingCallback(
    IN DWORD dwCatalogEntryId,
    OUT LPBLOCKINGCALLBACK FAR * lplpfnCallback,
    OUT PDWORD_PTR lpdwContext,
    OUT LPINT lpErrno
    );

int
WSPAPI
WPUQuerySocketHandleContext(
    IN SOCKET s,
    OUT PDWORD_PTR lpContext,
    OUT LPINT lpErrno
    );

int
WSPAPI
WPUQueueApc(
    IN LPWSATHREADID lpThreadId,
    IN LPWSAUSERAPC lpfnUserApc,
    IN DWORD_PTR dwContext,
    OUT LPINT lpErrno
    );

BOOL
WSPAPI
WPUResetEvent(
    IN WSAEVENT hEvent,
    OUT LPINT lpErrno
    );

BOOL
WSPAPI
WPUSetEvent(
    IN WSAEVENT hEvent,
    OUT LPINT lpErrno
    );

int
WSPAPI
WPUCompleteOverlappedRequest (
    SOCKET s, 	
    LPWSAOVERLAPPED lpOverlapped, 	
    DWORD dwError, 	
    DWORD cbTransferred, 	
    LPINT lpErrno
);

/*
 * Installing and uninstalling name space providers.
 */

INT
WSPAPI
WSCInstallNameSpace (
    IN LPWSTR lpszIdentifier,
    IN LPWSTR lpszPathName,
    IN DWORD dwNameSpace,
    IN DWORD dwVersion,
    IN LPGUID lpProviderId
    );

typedef
INT
(WSPAPI * LPWSCINSTALLNAMESPACE)(
    LPWSTR lpszIdentifier,
    LPWSTR lpszPathName,
    DWORD dwNameSpace,
    DWORD dwVersion,
    LPGUID lpProviderId
    );

INT
WSPAPI
WSCUnInstallNameSpace (
    IN LPGUID lpProviderId
    );

typedef
INT
(WSPAPI * LPWSCUNINSTALLNAMESPACE)(
    LPGUID lpProviderId
    );

INT
WSPAPI
WSCEnableNSProvider (
    IN LPGUID lpProviderId,
    IN BOOL fEnable
    );

typedef
INT
(WSPAPI * LPWSCENABLENSPROVIDER)(
    LPGUID lpProviderId,
    BOOL fEnable
    );

/*
 * Pointers to the individual entries in the namespace proc table.
 */

typedef
INT
(WSAAPI * LPNSPCLEANUP)(
    LPGUID lpProviderId
    );

typedef
INT
(WSAAPI * LPNSPLOOKUPSERVICEBEGIN)(
    LPGUID lpProviderId,
    LPWSAQUERYSETW lpqsRestrictions,
    LPWSASERVICECLASSINFOW lpServiceClassInfo,
    DWORD dwControlFlags,
    LPHANDLE lphLookup
    );

typedef
INT
(WSAAPI * LPNSPLOOKUPSERVICENEXT)(
    HANDLE hLookup,
    DWORD dwControlFlags,
    LPDWORD lpdwBufferLength,
    LPWSAQUERYSETW lpqsResults
    );

typedef
INT
(WSAAPI * LPNSPLOOKUPSERVICEEND)(
    HANDLE hLookup
    );

typedef
INT
(WSAAPI * LPNSPSETSERVICE)(
    LPGUID lpProviderId,
    LPWSASERVICECLASSINFOW lpServiceClassInfo,
    LPWSAQUERYSETW lpqsRegInfo,
    WSAESETSERVICEOP essOperation,
    DWORD dwControlFlags
    );

typedef
INT
(WSAAPI * LPNSPINSTALLSERVICECLASS)(
    LPGUID lpProviderId,
    LPWSASERVICECLASSINFOW lpServiceClassInfo
    );

typedef
INT
(WSAAPI * LPNSPREMOVESERVICECLASS)(
    LPGUID lpProviderId,
    LPGUID lpServiceClassId
    );

typedef
INT
(WSAAPI * LPNSPGETSERVICECLASSINFO)(
    LPGUID lpProviderId,
    LPDWORD lpdwBufSize,
    LPWSASERVICECLASSINFOW lpServiceClassInfo
    );

/*
 * The name space service provider procedure table.
 */

typedef struct _NSP_ROUTINE {

    /* Structure version information: */
    DWORD           cbSize;
    DWORD           dwMajorVersion;
    DWORD           dwMinorVersion;

    /* Procedure-pointer table: */

    LPNSPCLEANUP             NSPCleanup;
    LPNSPLOOKUPSERVICEBEGIN  NSPLookupServiceBegin;
    LPNSPLOOKUPSERVICENEXT   NSPLookupServiceNext;
    LPNSPLOOKUPSERVICEEND    NSPLookupServiceEnd;
    LPNSPSETSERVICE          NSPSetService;
    LPNSPINSTALLSERVICECLASS NSPInstallServiceClass;
    LPNSPREMOVESERVICECLASS  NSPRemoveServiceClass;
    LPNSPGETSERVICECLASSINFO NSPGetServiceClassInfo;

} NSP_ROUTINE, FAR * LPNSP_ROUTINE;

/*
 * Startup procedures.
 */

INT
WSAAPI
NSPStartup(
    LPGUID lpProviderId,
    LPNSP_ROUTINE lpnspRoutines
    );

typedef
INT
(WSAAPI * LPNSPSTARTUP)(
    LPGUID lpProviderId,
    LPNSP_ROUTINE lpnspRoutines
    );


#ifdef __cplusplus
}
#endif

#if !defined(_WIN64)
#include <poppack.h>
#endif

#pragma option pop /*P_O_Pop*/
#endif  /* _WINSOCK2SPI_ */