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97
.../FreeRTOS/FreeRTOS-Plus/Source/Utilities/mbedtls_freertos/mbedtls_bio_freertos_cellular.c
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * FreeRTOS V202112.00 | ||
| * 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| */ | ||
|
|
||
| /** | ||
| * @file mbedtls_bio_freertos_cellular.c | ||
| * @brief Implements mbed TLS platform send/receive functions for cellular. | ||
| */ | ||
|
|
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| /* FreeRTOS includes. */ | ||
| #include "FreeRTOS.h" | ||
|
|
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| /* Sockets wrapper includes. */ | ||
| #include "sockets_wrapper.h" | ||
|
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| /* mbed TLS includes. */ | ||
| #include "threading_alt.h" | ||
| #include "mbedtls/entropy.h" | ||
| #include "mbedtls/ssl.h" | ||
|
|
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| /*-----------------------------------------------------------*/ | ||
|
|
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| /** | ||
| * @brief Sends data over cellular sockets. | ||
| * | ||
| * @param[in] ctx The network context containing the socket handle. | ||
| * @param[in] buf Buffer containing the bytes to send. | ||
| * @param[in] len Number of bytes to send from the buffer. | ||
| * | ||
| * @return Number of bytes sent on success; else a negative value. | ||
| */ | ||
| int mbedtls_platform_send( void * ctx, | ||
| const unsigned char * buf, | ||
| size_t len ) | ||
| { | ||
| configASSERT( ctx != NULL ); | ||
| configASSERT( buf != NULL ); | ||
|
|
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| return Sockets_Send( ( Socket_t ) ctx, buf, len ); | ||
| } | ||
|
|
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| /*-----------------------------------------------------------*/ | ||
|
|
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| /** | ||
| * @brief Receives data from cellular socket. | ||
| * | ||
| * @param[in] ctx The network context containing the socket handle. | ||
| * @param[out] buf Buffer to receive bytes into. | ||
| * @param[in] len Number of bytes to receive from the network. | ||
| * | ||
| * @return Number of bytes received if successful; Negative value on error. | ||
| */ | ||
| int mbedtls_platform_recv( void * ctx, | ||
| unsigned char * buf, | ||
| size_t len ) | ||
| { | ||
| int recvStatus = 0; | ||
| int returnStatus = -1; | ||
|
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| configASSERT( ctx != NULL ); | ||
| configASSERT( buf != NULL ); | ||
|
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| recvStatus = Sockets_Recv( ( Socket_t ) ctx, buf, len ); | ||
|
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| if( recvStatus < 0 ) | ||
| { | ||
| returnStatus = MBEDTLS_ERR_SSL_INTERNAL_ERROR; | ||
| } | ||
| else | ||
| { | ||
| returnStatus = recvStatus; | ||
| } | ||
|
|
||
| return returnStatus; | ||
| } |
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