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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Secure Component */
/** */
/** Datagram Transport Layer Security (DTLS) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_dtls.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_dtls_server_stop PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function stops a DTLS server from processing incoming UDP */
/* datagrams and resets the state of all associated DTLS sessions. To */
/* free up resources, see nx_secure_dtls_server_delete. */
/* */
/* INPUT */
/* */
/* server_ptr DTLS server control block */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* nx_udp_socket_receive_notify Reset receive notify function */
/* _nx_secure_dtls_session_reset Reset internal DTLS sessions */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_secure_dtls_server_stop(NX_SECURE_DTLS_SERVER *server_ptr)
{
#ifdef NX_SECURE_ENABLE_DTLS
UINT i;
UINT status;
/* Setup the UDP socket with our internal receive callback. */
nx_udp_socket_receive_notify(&(server_ptr->nx_dtls_server_udp_socket), NX_NULL);
/* Reset all DTLS sessions. This clears any active sessions and allows the
server to be re-used. */
for(i = 0; i < server_ptr->nx_dtls_server_sessions_count; ++i)
{
_nx_secure_dtls_session_reset(&(server_ptr->nx_dtls_server_sessions[i]));
}
/* Unbind the UDP socket. */
status = nx_udp_socket_unbind(&(server_ptr -> nx_dtls_server_udp_socket));
if (status)
{
return(status);
}
return(NX_SUCCESS);
#else
NX_PARAMETER_NOT_USED(server_ptr);
return(NX_NOT_SUPPORTED);
#endif /* NX_SECURE_ENABLE_DTLS */
}
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