mirror of https://github.com/tdlib/td.git
76 lines
3.0 KiB
C
76 lines
3.0 KiB
C
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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/**
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* \file
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* C interface for managing the internal logging of TDLib.
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* By default TDLib writes logs to stderr or an OS specific log and uses a verbosity level of 5.
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*/
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#include "td/telegram/tdjson_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Sets the path to the file where the internal TDLib log will be written.
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* By default TDLib writes logs to stderr or an OS specific log.
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* Use this method to write the log to a file instead.
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*
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* \param[in] file_path Null-terminated path to a file where the internal TDLib log will be written.
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* Use an empty path to switch back to the default logging behaviour.
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*/
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TDJSON_EXPORT void td_set_log_file_path(const char *file_path);
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/**
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* Sets maximum size of the file to where the internal TDLib log is written before the file will be auto-rotated.
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* Unused if log is not written to a file. Defaults to 10 MB.
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*
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* \param[in] max_file_size Maximum size of the file to where the internal TDLib log is written before the file
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* will be auto-rotated. Should be positive.
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*/
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TDJSON_EXPORT void td_set_log_max_file_size(long long max_file_size);
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/**
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* Sets the verbosity level of the internal logging of TDLib.
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* By default the TDLib uses a log verbosity level of 5.
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*
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* \param[in] new_verbosity_level New value of logging verbosity level.
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* Value 0 corresponds to fatal errors,
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* value 1 corresponds to errors,
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* value 2 corresponds to warnings and debug warnings,
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* value 3 corresponds to informational,
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* value 4 corresponds to debug,
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* value 5 corresponds to verbose debug,
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* value greater than 5 and up to 1024 can be used to enable even more logging.
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*/
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TDJSON_EXPORT void td_set_log_verbosity_level(int new_verbosity_level);
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/**
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* A type of callback function that will be called when a fatal error happens.
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*
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* \param error_message Null-terminated string with a description of a happened fatal error.
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*/
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using td_log_fatal_error_callback_ptr = void (*)(const char *error_message);
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/**
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* Sets the callback that will be called when a fatal error happens.
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* None of the TDLib methods can be called from the callback.
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* The TDLib will crash as soon as callback returns.
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* By default the callback is not set.
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*
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* \param[in] callback Callback that will be called when a fatal error happens.
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* Pass NULL to remove the callback.
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*/
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TDJSON_EXPORT void td_set_log_fatal_error_callback(td_log_fatal_error_callback_ptr callback);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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