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/*
* FreeRTOS V202111.00
* 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.
*
* http://aws.amazon.com/freertos
* http://www.FreeRTOS.org
*/
#ifndef _TEST_UTILS_H_
#define _TEST_UTILS_H_
/**
* @brief Retry expression or statement with exponential backoff
*
* @param xCommand The expression or statement that should be
* retried
* @param xSuccessStatus The success status where a xCommand need not
* be retried any more
* @param ulStartingPeriodMs The initial delay period in milliseconds
* @param lRetries The number of times to retry. xCommand will
* be tried once, and then retried n times.
*
* @code
* int a = 0;
* RETRY_EXPONENTIAL( printf( "foo\n" ), 4, 150, 8 );
* RETRY_EXPONENTIAL( a = printf( "bar\n" ), 0, 250, 8 );
* RETRY_EXPONENTIAL( a = printf( "bar\n" ), 0, 250, 8 );
* RETRY_EXPONENTIAL( a = connect_to_server(), CONNECTION_SUCCESS, 250, 8 );
* RETRY_EXPONENTIAL( a++, 10, 250, 8 );
* @endcode
*
* @return None
*/
#define RETRY_EXPONENTIAL( \
xCommand, xSuccessStatus, ulStartingPeriodMs, lRetries ) \
{ \
int32_t lRetried = 0; \
uint32_t ulPeriodMs = ulStartingPeriodMs; \
int32_t lStatus; \
for( ; lRetried <= lRetries; lRetried++ ) { \
if( lRetried ) { \
configPRINTF( ( "retrying \"%s\", %d of %d, in %d ms\n", \
# xCommand, lRetried, \
lRetries, ulPeriodMs ) ); \
vTaskDelay( pdMS_TO_TICKS( ulPeriodMs ) ); \
ulPeriodMs *= 2; \
} \
lStatus = xCommand; \
if( xSuccessStatus == lStatus ) { \
break; \
} \
configPRINTF( ( "expected %d, got %d\n", \
xSuccessStatus, lStatus ) ); \
} \
}
/**
* @brief Returns the file name at the end of a windows path
*
* @param full_path The full path
*
* @return file name
*/
#define WIN_FILENAME( full_path ) \
( strrchr( full_path, '\\' ) ? strrchr( full_path, '\\' ) + 1 : full_path )
/**
* @brief Returns the file name at the end of a linux path
*
* @param full_path The full path
*
* @return file name
*/
#define NIX_FILENAME( full_path ) \
( strrchr( full_path, '/' ) ? strrchr( full_path, '/' ) + 1 : full_path )
/**
* The name of the current file, stripped of the path
*/
#define __FILENAME__ WIN_FILENAME( NIX_FILENAME( __FILE__ ) )
#endif /* end of include guard: _AWS_TEST_UTILS_H_ */
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