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mbedTLS: Add generic support for mbedTLS debug output via the esp_log functionality

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This commit is contained in:
Angus Gratton
2016-11-26 11:58:50 +11:00
parent c18d2a359c
commit 0b7058d8ef
4 changed files with 140 additions and 57 deletions
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86
components/mbedtls/port/mbedtls_debug.c Normal file
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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.
#include <strings.h>
#include "esp_log.h"
#include "mbedtls/platform.h"
#include "mbedtls/debug.h"
#include "mbedtls/ssl.h"
#include "mbedtls/esp_debug.h"
static const char *TAG = "mbedtls";
static void mbedtls_esp_debug(void *ctx, int level,
const char *file, int line,
const char *str);
void mbedtls_esp_enable_debug_log(mbedtls_ssl_config *conf, int threshold)
{
mbedtls_debug_set_threshold(threshold);
mbedtls_ssl_conf_dbg(conf, mbedtls_esp_debug, NULL);
esp_log_level_t level = ESP_LOG_NONE;
switch(threshold) {
case 1:
level = ESP_LOG_WARN;
case 2:
level = ESP_LOG_INFO;
case 3:
level = ESP_LOG_DEBUG;
case 4:
level = ESP_LOG_VERBOSE;
}
esp_log_level_set(TAG, level);
}
void mbedtls_esp_disable_debug_log(mbedtls_ssl_config *conf)
{
mbedtls_ssl_conf_dbg(conf, NULL, NULL);
}
/* Default mbedtls debug function that translates mbedTLS debug output
to ESP_LOGx debug output.
*/
static void mbedtls_esp_debug(void *ctx, int level,
const char *file, int line,
const char *str)
{
char *file_sep;
/* Shorten 'file' from the whole file path to just the filename
This is a bit wasteful because the macros are compiled in with
the full _FILE_ path in each case.
*/
file_sep = rindex(file, '/');
if(file_sep)
file = file_sep+1;
switch(level) {
case 1:
ESP_LOGW(TAG, "%s:%d %s", file, line, str);
break;
case 2:
ESP_LOGI(TAG, "%s:%d %s", file, line, str);
break;
case 3:
ESP_LOGD(TAG, "%s:%d %s", file, line, str);
case 4:
ESP_LOGV(TAG, "%s:%d %s", file, line, str);
break;
default:
ESP_LOGE(TAG, "Unexpected log level %d: %s", level, str);
break;
}
}