/usr/include/mircommon/mir/logging/logger.h is in libmircommon-dev 0.26.3+16.04.20170605-0ubuntu1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | /*
* Copyright © 2012-2015 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#ifndef MIR_LOGGING_LOGGER_H_
#define MIR_LOGGING_LOGGER_H_
#include <memory>
#include <string>
namespace mir
{
namespace logging
{
enum class Severity
{
critical = 0,
error = 1,
warning = 2,
informational = 3,
debug = 4
};
// A facade to shield the inner core of mir to prevent an actual
// logging framework from leaking implementation detail.
class Logger
{
public:
virtual void log(Severity severity,
const std::string& message,
const std::string& component) = 0;
/*
* Those playing at home may wonder why we're saying the 4th argument is the format string,
* when it's the 3rd argument in the signature.
*
* The answer, of course, is that the attribute doesn't know about the implicit
* 'this' first parameter of C++!
*/
virtual void log(char const* component, Severity severity, char const* format, ...)
__attribute__ ((format (printf, 4, 5)));
protected:
Logger() {}
virtual ~Logger() = default;
Logger(const Logger&) = delete;
Logger& operator=(const Logger&) = delete;
};
void log(Severity severity, const std::string& message, const std::string& component);
void set_logger(std::shared_ptr<Logger> const& new_logger);
}
}
#endif // MIR_LOGGING_LOGGER_H_
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