blob: 69f6e5a0f95041b13bb0301981409a561f70a6d8 [file] [log] [blame]
/*
* Message Processing Stack, Trace module
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#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 */