1 /*
2  * FreeRTOS V202212.00
3  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy of
6  * this software and associated documentation files (the "Software"), to deal in
7  * the Software without restriction, including without limitation the rights to
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9  * the Software, and to permit persons to whom the Software is furnished to do so,
10  * subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in all
13  * copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * https://www.FreeRTOS.org
23  * https://github.com/FreeRTOS
24  *
25  */
26 
27 /**
28  * @file mbedtls_bio_tcp_sockets_wrapper.h
29  * @brief TLS transport interface header.
30  */
31 
32 #ifndef MBEDTLS_BIO_TCP_SOCKETS_WRAPPER
33 #define MBEDTLS_BIO_TCP_SOCKETS_WRAPPER
34 
35 /**
36  * @brief Sends data over TCP socket.
37  *
38  * @param[in] ctx The network context containing the socket handle.
39  * @param[in] buf Buffer containing the bytes to send.
40  * @param[in] len Number of bytes to send from the buffer.
41  *
42  * @return Number of bytes sent on success; else a negative value.
43  */
44 int xMbedTLSBioTCPSocketsWrapperSend( void * ctx,
45                                       const unsigned char * buf,
46                                       size_t len );
47 
48 /**
49  * @brief Receives data from TCP socket.
50  *
51  * @param[in] ctx The network context containing the socket handle.
52  * @param[out] buf Buffer to receive bytes into.
53  * @param[in] len Number of bytes to receive from the network.
54  *
55  * @return Number of bytes received if successful; Negative value on error.
56  */
57 int xMbedTLSBioTCPSocketsWrapperRecv( void * ctx,
58                                       unsigned char * buf,
59                                       size_t len );
60 
61 
62 #endif /* MBEDTLS_BIO_TCP_SOCKETS_WRAPPER */
63