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WS_ACCEPT_CHANNEL_CALLBACK callback function (webservices.h)

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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