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tdlib-fork/td/telegram/Log.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
/**
* \file
* C++ interface for managing the internal logging of TDLib.
* By default TDLib writes logs to stderr or an OS specific log and uses a verbosity level of 5.
*/
#include <cstdint>
#include <string>
namespace td {
/**
* Interface for managing the internal logging of TDLib.
* By default TDLib writes logs to stderr or an OS specific log and uses a verbosity level of 5.
*/
class Log {
public:
/**
* Sets the path to the file to where the internal TDLib log will be written.
* By default TDLib writes logs to stderr or an OS specific log.
* Use this method to write the log to a file instead.
*
* \param[in] file_path Path to a file where the internal TDLib log will be written. Use an empty path to
* switch back to the default logging behaviour.
*/
static void set_file_path(std::string file_path);
/**
* Sets maximum size of the file to where the internal TDLib log is written before the file will be auto-rotated.
* Unused if log is not written to a file. Defaults to 10 MB.
*
* \param[in] max_file_size Maximum size of the file to where the internal TDLib log is written before the file
* will be auto-rotated. Should be positive.
*/
static void set_max_file_size(std::int64_t max_file_size);
/**
* Sets the verbosity level of the internal logging of TDLib.
* By default the TDLib uses a verbosity level of 5 for logging.
*
* \param[in] new_verbosity_level New value of the verbosity level for logging.
* Value 0 corresponds to fatal errors,
* value 1 corresponds to errors,
* value 2 corresponds to warnings and debug warnings,
* value 3 corresponds to informational,
* value 4 corresponds to debug,
* value 5 corresponds to verbose debug,
* value greater than 5 and up to 1024 can be used to enable even more logging.
*/
static void set_verbosity_level(int new_verbosity_level);
};
} // namespace td