transport_interface_stubs.h

/*
 * coreHTTP
 * Copyright (C) 2024 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * SPDX-License-Identifier: MIT
 *
 * 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
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/**
 * @file transport_interface_stubs.h
 * @brief Functions, for CBMC proofs, to mock transport sending and receiving
 * implementations.
 */

#ifndef TRANSPORT_INTERFACE_STUBS_H_
#define TRANSPORT_INTERFACE_STUBS_H_

#include <stdint.h>

#include "core_http_client.h"

#ifndef MAX_TRIES
    #define MAX_TRIES    5
#endif

/**
 * @brief Transport interface stub for mocking data sent over the network.
 *
 * @param[in] pNetworkContext Implementation-defined network context.
 * @param[in] pBuffer Buffer containing the bytes to send over the network stack.
 * @param[in] bytesToSend Number of bytes to send over the network.
 *
 * @return The number of bytes sent or a negative error code.
 */
int32_t TransportInterfaceSendStub( NetworkContext_t * pNetworkContext,
                                    void * pBuffer,
                                    size_t bytesToSend );

/**
 * @brief Transport interface for mocking data received over the network.
 *
 * @param[in] pNetworkContext Implementation-defined network context.
 * @param[in] pBuffer Buffer to receive the data into.
 * @param[in] bytesToRecv Number of bytes requested from the network.
 *
 * @return The number of bytes received or a negative error code.
 */
int32_t TransportInterfaceReceiveStub( NetworkContext_t * pNetworkContext,
                                       void * pBuffer,
                                       size_t bytesToRecv );

#endif /* ifndef TRANSPORT_INTERFACE_STUBS_H_ */