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v/thirdparty/mbedtls/library/mps_trace.c

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/*
* Message Processing Stack, Trace module
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of Mbed TLS (https://tls.mbed.org)
*/
#include "common.h"
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
#include "mps_common.h"
#if defined(MBEDTLS_MPS_ENABLE_TRACE)
#include "mps_trace.h"
#include <stdarg.h>
static int trace_depth = 0;
#define color_default "\x1B[0m"
#define color_red "\x1B[1;31m"
#define color_green "\x1B[1;32m"
#define color_yellow "\x1B[1;33m"
#define color_blue "\x1B[1;34m"
#define color_magenta "\x1B[1;35m"
#define color_cyan "\x1B[1;36m"
#define color_white "\x1B[1;37m"
static char const * colors[] =
{
color_default,
color_green,
color_yellow,
color_magenta,
color_cyan,
color_blue,
color_white
};
#define MPS_TRACE_BUF_SIZE 100
void mbedtls_mps_trace_print_msg( int id, int line, const char *format, ... )
{
int ret;
char str[MPS_TRACE_BUF_SIZE];
va_list argp;
va_start( argp, format );
ret = mbedtls_vsnprintf( str, MPS_TRACE_BUF_SIZE, format, argp );
va_end( argp );
if( ret >= 0 && ret < MPS_TRACE_BUF_SIZE )
{
str[ret] = '\0';
mbedtls_printf( "[%d|L%d]: %s\n", id, line, str );
}
}
int mbedtls_mps_trace_get_depth()
{
return trace_depth;
}
void mbedtls_mps_trace_dec_depth()
{
trace_depth--;
}
void mbedtls_mps_trace_inc_depth()
{
trace_depth++;
}
void mbedtls_mps_trace_color( int id )
{
if( id > (int) ( sizeof( colors ) / sizeof( *colors ) ) )
return;
printf( "%s", colors[ id ] );
}
void mbedtls_mps_trace_indent( int level, mbedtls_mps_trace_type ty )
{
if( level > 0 )
{
while( --level )
printf( "| " );
printf( "| " );
}
switch( ty )
{
case MBEDTLS_MPS_TRACE_TYPE_COMMENT:
mbedtls_printf( "@ " );
break;
case MBEDTLS_MPS_TRACE_TYPE_CALL:
mbedtls_printf( "+--> " );
break;
case MBEDTLS_MPS_TRACE_TYPE_ERROR:
mbedtls_printf( "E " );
break;
case MBEDTLS_MPS_TRACE_TYPE_RETURN:
mbedtls_printf( "< " );
break;
default:
break;
}
}
#endif /* MBEDTLS_MPS_ENABLE_TRACE */
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */