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@@ -0,0 +1,86 @@
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+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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+//
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+// Licensed under the Apache License, Version 2.0 (the "License");
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+// you may not use this file except in compliance with the License.
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+// You may obtain a copy of the License at
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+
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+// http://www.apache.org/licenses/LICENSE-2.0
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+//
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+// Unless required by applicable law or agreed to in writing, software
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+// distributed under the License is distributed on an "AS IS" BASIS,
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+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+// See the License for the specific language governing permissions and
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+// limitations under the License.
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+
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+#include <strings.h>
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+
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+#include "esp_log.h"
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+#include "mbedtls/platform.h"
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+#include "mbedtls/debug.h"
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+#include "mbedtls/ssl.h"
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+#include "mbedtls/esp_debug.h"
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+
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+static const char *TAG = "mbedtls";
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+
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+static void mbedtls_esp_debug(void *ctx, int level,
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+ const char *file, int line,
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+ const char *str);
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+
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+void mbedtls_esp_enable_debug_log(mbedtls_ssl_config *conf, int threshold)
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+{
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+ mbedtls_debug_set_threshold(threshold);
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+ mbedtls_ssl_conf_dbg(conf, mbedtls_esp_debug, NULL);
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+ esp_log_level_t level = ESP_LOG_NONE;
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+ switch(threshold) {
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+ case 1:
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+ level = ESP_LOG_WARN;
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+ case 2:
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+ level = ESP_LOG_INFO;
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+ case 3:
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+ level = ESP_LOG_DEBUG;
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+ case 4:
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+ level = ESP_LOG_VERBOSE;
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+ }
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+ esp_log_level_set(TAG, level);
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+}
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+
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+void mbedtls_esp_disable_debug_log(mbedtls_ssl_config *conf)
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+{
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+ mbedtls_ssl_conf_dbg(conf, NULL, NULL);
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+}
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+
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+/* Default mbedtls debug function that translates mbedTLS debug output
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+ to ESP_LOGx debug output.
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+*/
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+static void mbedtls_esp_debug(void *ctx, int level,
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+ const char *file, int line,
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+ const char *str)
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+{
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+ char *file_sep;
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+
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+ /* Shorten 'file' from the whole file path to just the filename
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+
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+ This is a bit wasteful because the macros are compiled in with
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+ the full _FILE_ path in each case.
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+ */
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+ file_sep = rindex(file, '/');
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+ if(file_sep)
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+ file = file_sep+1;
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+
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+ switch(level) {
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+ case 1:
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+ ESP_LOGW(TAG, "%s:%d %s", file, line, str);
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+ break;
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+ case 2:
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+ ESP_LOGI(TAG, "%s:%d %s", file, line, str);
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+ break;
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+ case 3:
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+ ESP_LOGD(TAG, "%s:%d %s", file, line, str);
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+ case 4:
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+ ESP_LOGV(TAG, "%s:%d %s", file, line, str);
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+ break;
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+ default:
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+ ESP_LOGE(TAG, "Unexpected log level %d: %s", level, str);
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+ break;
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+ }
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+}
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Angus Gratton