WS_ACCEPT_CHANNEL_CALLBACK callback function (webservices.h)

Article
02/22/2024

Handles the WsAcceptChannel call for a WS_CUSTOM_CHANNEL_BINDING.

Syntax

WS_ACCEPT_CHANNEL_CALLBACK WsAcceptChannelCallback;

HRESULT WsAcceptChannelCallback(
  [in]           void *listenerInstance,
  [in]           void *channelInstance,
  [in, optional] const WS_ASYNC_CONTEXT *asyncContext,
  [in, optional] WS_ERROR *error
)
{...}

Parameters

[in] listenerInstance

The pointer to the state specific to this listener instance, as created by the WS_CREATE_LISTENER_CALLBACK.

[in] channelInstance

The pointer to the state specific to the channel instance, as created by the WS_CREATE_CHANNEL_CALLBACK when WsCreateChannelForListener was called.

[in, optional] asyncContext

Information on how to invoke the function asynchronously, or NULL if invoking synchronously.

[in, optional] error

Specifies where additional error information should be stored if the function fails.

Return value

Return code	Description
WS_S_ASYNC	The asynchronous operation is still pending.
WS_E_OPERATION_ABORTED	The listener and/or channel was aborted.
WS_E_OBJECT_FAULTED	The listener has faulted. Once a listener has faulted, then accepts will immediately return this error.
WS_E_INVALID_OPERATION	The listener was in an inappropriate state.
WS_E_ENDPOINT_DISCONNECTED	The connection with the remote endpoint was terminated.
WS_E_OPERATION_TIMED_OUT	The operation did not complete within the time allotted.
WS_E_QUOTA_EXCEEDED	A quota was exceeded.
WS_E_INVALID_FORMAT	The input data was not in the expected format or did not have the expected value.
E_OUTOFMEMORY	Ran out of memory.
E_INVALIDARG	One or more arguments are invalid.
WS_E_SECURITY_VERIFICATION_FAILURE	Security verification was not successful for the received data.
WS_E_SECURITY_SYSTEM_FAILURE	A security operation failed in the Windows Web Services framework.
Other Errors	This function may return other errors not listed above.

Remarks

See WsAcceptChannel for information about the contract of this API.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	webservices.h

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