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/**
 * @file
 * Application layered TCP/TLS connection API (to be used from TCPIP thread)
 *
 * This file contains memory management function prototypes for a TLS layer using mbedTLS.
 *
 * Memory management contains:
 * - allocating/freeing altcp_mbedtls_state_t
 * - allocating/freeing memory used in the mbedTLS library
 */

/*
 * Copyright (c) 2017 Simon Goldschmidt
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Simon Goldschmidt <goldsimon@gmx.de>
 *
 */
#ifndef LWIP_HDR_ALTCP_MBEDTLS_MEM_H
#define LWIP_HDR_ALTCP_MBEDTLS_MEM_H

#include "lwip/opt.h"

#if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */

#include "lwip/apps/altcp_tls_mbedtls_opts.h"

#if LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS

#include "altcp_tls_mbedtls_structs.h"

#ifdef __cplusplus
extern "C" {
#endif

void altcp_mbedtls_mem_init(void);
altcp_mbedtls_state_t *altcp_mbedtls_alloc(void *conf);
void altcp_mbedtls_free(void *conf, altcp_mbedtls_state_t *state);
void *altcp_mbedtls_alloc_config(size_t size);
void altcp_mbedtls_free_config(void *item);

#ifdef __cplusplus
}
#endif

#endif /* LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS */
#endif /* LWIP_ALTCP */
#endif /* LWIP_HDR_ALTCP_TLS_H */