transport_interface.h

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/*
 * coreMQTT v1.2.0
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
#ifndef TRANSPORT_INTERFACE_H_
#define TRANSPORT_INTERFACE_H_
 
#include <stdint.h>
#include <stddef.h>
 
/* *INDENT-OFF* */
#ifdef __cplusplus
    extern "C" {
#endif
/* *INDENT-ON* */
 
/* @[define_networkcontext] */
struct NetworkContext;
typedef struct NetworkContext NetworkContext_t;
/* @[define_networkcontext] */
 
/* @[define_transportrecv] */
typedef int32_t ( * TransportRecv_t )( NetworkContext_t * pNetworkContext,
                                       void * pBuffer,
                                       size_t bytesToRecv );
/* @[define_transportrecv] */
 
/* @[define_transportsend] */
typedef int32_t ( * TransportSend_t )( NetworkContext_t * pNetworkContext,
                                       const void * pBuffer,
                                       size_t bytesToSend );
/* @[define_transportsend] */
 
/* @[define_transportinterface] */
typedef struct TransportInterface
{
    TransportRecv_t recv;               
    TransportSend_t send;               
    NetworkContext_t * pNetworkContext; 
} TransportInterface_t;
/* @[define_transportinterface] */
 
/* *INDENT-OFF* */
#ifdef __cplusplus
    }
#endif
/* *INDENT-ON* */
 
#endif /* ifndef TRANSPORT_INTERFACE_H_ */