HP OpenVMS Systems Documentation

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HP Open Source Security for OpenVMS Volume 1: Common Data Security Architecture > Human Recognition Service (HRS) API Functions

HRS_SetStreamCallback

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NAME

CSSM_HRS_SetStreamCallback, HRS_SetStreamCallback — Allows the application to establish a callback for client/server communication

SYNOPSIS

#include <hrs.h>

API

CSSM_RETURN CSSMAPI CSSM_HRS_SetStreamCallback
(CSSM_HRS_HANDLE ModuleHandle,
CSSM_HRS_STREAM_CALLBACK StreamCallback,
void *StreamCallbackCtx);

SPI

CSSM_RETURN CSSMHRI HRS_SetStreamCallback
(CSSM_HRS_HANDLE ModuleHandle,
CSSM_HRS_STREAM_CALLBACK StreamCallback,
void *StreamCallbackCtx);

LIBRARY

HRS Extensible Module Manager (cdsa$inhrsemm_shr.exe)

PARAMETERS

The parameter definitions are the same for the API and the SPI.

ModuleHandle (input) 

The handle of the attached HRS service provider.

StreamCallback (input)  

A pointer to an application callback to deal with the client/servertransmission of protocol data units between HRS service providers.

StreamCallbackCtx (input)  

A generic pointer to context information provided by the application that will be presented on the callback.

DESCRIPTION

This function allows the application to establish a callback for client/server communication. The callback allows the HRS service provider to send a protocol message to its partner service provider, and to receive a protocol message in exchange.

RETURN VALUE

A CSSM_RETURN value indicating success or specifying a particular error condition. The value CSSM_OK indicates success. All other values represent an error condition.

RETURN VALUE

A CSSM_RETURN value indicating success or specifying a particular error condition. The value CSSM_OK indicates success. All other values represent an error condition.

ERRORS

Errors are described in the CDSA Technical Standard.

CSSMERR_CSSM_NOT_INITIALIZED
CSSMERR_CSSM_FUNCTION_FAILED
CSSMERR_CSSM_FUNCTION_NOT_IMPLEMENTED
CSSMERR_CSSM_FUNCTION_INTEGRITY_FAIL