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Winsock SPI Functions (Windows Embedded CE 6.0)

1/6/2010

The following table shows the Winsock SPI functions with a description of the purpose of each.

Programming element Description

NSPCleanup

This function terminates the use of a particular Windows Sockets name space service provider.

NSPGetServiceClassInfo

This function retrieves all the pertinent class information (schema) pertaining to the name-space provider.

NSPInstallServiceClass

This function registers service class schema within the name-space providers.

NSPLookupServiceBegin

This function initiates a client query that is constrained by the information contained within a WSAQUERYSET (Windows Sockets) structure.

NSPLookupServiceEnd

This function is called to free the handle after previous calls to NSPLookupServiceBegin and NSPLookupServiceNext.

NSPLookupServiceNext

This function is called after obtaining a handle from a previous call to NSPLookupServiceBegin in order to retrieve the requested service information.

NSPRemoveServiceClass

This function permanently removes a specified service class from the name space.

NSPSetService

This function registers or deregisters a service instance within a name space.

NSPStartup

This function retrieves the dynamic information about a provider, such as the list of the DLL entry points.

WPUCloseEvent

This function closes an open event object handle.

WPUCloseSocketHandle

This function closes an existing socket handle.

WPUCompleteOverlappedRequest

This function performs overlapped I/O completion notification for overlapped I/O operations.

WPUCreateEvent

This function creates a new event object.

WPUCreateSocketHandle

This function creates a new socket handle.

WPUFDIsSet

This function checks the membership of the specified socket handle.

WPUGetProviderPath

This function retrieves the DLL path for the specified provider.

WPUQueryBlockingCallback

This function returns a pointer to a callback function the service provider should invoke periodically while servicing blocking operations.

Ee495130.note(en-US,WinEmbedded.60).gifNote:
This function is not supported for the default TCP/UDP provider in Windows Embedded CE. However, third parties can implement their own provider and have support for this function if they choose.

WPUQuerySocketHandleContext

This function queries the context value associated with the specified socket handle.

WPUResetEvent

This function resets the state of the specified event object to nonsignaled.

WPUSetEvent

This function sets the state of the specified event object to signaled.

WSCDeinstallProvider

This function removes the specified transport provider from the system configuration database.

WSCEnumProtocols

This function retrieves information about available transport protocols.

WSCInstallNameSpace

This function installs a name-space provider.

WSCInstallProvider

This function installs the specified transport provider into the system configuration database.

WSCUnInstallNameSpace

This function uninstalls the indicated name-space provider.

WSPAccept

This function conditionally accepts a connection based on the return value of a condition function.

WSPAddressToString

This function converts all parts of a sockaddr structure into a human readable–numeric string representation of the address.

WSPAsyncSelect

This function requests Windows message-based event notification of network events for a socket.

WSPBind

This function associates a local address (that is, name) with a socket.

WSPCleanup

This function terminates use of the Windows Sockets service provider.

WSPCloseSocket

This function closes a socket.

WSPConnect

This function establishes a connection to a peer, and exchanges connect data.

WSPDuplicateSocket

This function returns a structure that can be used to create a new socket descriptor for a shared socket.

WSPEnumNetworkEvents

This function reports occurrences of network events for the indicated socket.

WSPEventSelect

This function specifies an event object to be associated with the supplied set of network events.

WSPGetOverlappedResult

This function returns the results of an overlapped operation on the specified socket.

WSPEnumNetworkEvents

This function reports occurrences of network events for the indicated socket.

WSPEventSelect

This function specifies an event object to be associated with the supplied set of network events.

WSPGetOverlappedResult

This function returns the results of an overlapped operation on the specified socket.

WSPGetPeerName

This function gets the address of the peer to which a socket is connected.

WSPGetSockName

This function gets the local name for a socket.

WSPGetSockOpt

This function retrieves a socket option.

WSPIoctl

This function controls the mode of a socket.

WSPJoinLeaf

This function joins a leaf node into a multipoint session, and exchanges connect data.

WSPListen

This function establishes a socket to listen for incoming connections.

WSPRecv

This function receives data on a socket.

WSPRecvDisconnect

This function terminates reception on a socket and retrieves the disconnect data, if the socket is connection oriented.

Ee495130.note(en-US,WinEmbedded.60).gifNote:
This function is not supported for the default TCP/UDP provider in Windows Embedded CE. However, third parties can implement their own provider and have support for this function if they choose.

WSPRecvFrom

This function receives a datagram and stores the source address.

WSPSelect

This function determines the status of one or more sockets.

WSPSend

This function sends data on a connected socket.

WSPSendDisconnect

This function initiates termination of the connection for the socket and sends disconnect data.

Ee495130.note(en-US,WinEmbedded.60).gifNote:
This function is not supported for the default TCP/UDP provider in Windows Embedded CE. However, third parties can implement their own provider and have support for this function if they choose.

WSPSendTo

This function sends data to a specific destination using overlapped I/O.

WSPSetSockOpt

This function sets a socket option.

WSPShutdown

This function disables sends and/or receives on a socket.

WSPSocket

This function creates a socket.

WSPStartup

This function initiates use of a Windows Sockets service provider by a client.

WSPStringToAddress

This function converts a human-readable numeric string to a socket address structure (sockaddr) suitable to passing to Windows Sockets routines that take such a structure.

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