85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Copyright (C) 2012, Peter Hatina <phatina@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ***** END LICENSE BLOCK ***** */
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#ifndef SMTPFS_LOG_H
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#define SMTPFS_LOG_H
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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#include <mutex>
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class Logger;
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extern Logger logmsg;
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extern Logger logerr;
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extern Logger logdebug;
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class Logger
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{
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public:
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Logger(const std::string &fixed_message = std::string()):
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m_fixed_message(fixed_message),
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m_verbose(false)
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{
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}
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template <typename t, typename ...p>
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void output(t data, p ...args)
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{
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if (!s_verbose && !m_verbose)
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return;
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criticalEnter();
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std::cout << timestamp();
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if (!m_fixed_message.empty())
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std::cout << ": " << m_fixed_message;
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std::cout << ": ";
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outputHelper(data, args...);
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criticalLeave();
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}
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template<typename t, typename ...p>
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void operator() (t data, p ...args)
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{
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output(data, args...);
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}
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void setVerbose(bool v = true) { m_verbose = v; }
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static void setGlobalVerbose(bool v = true) { s_verbose = v; }
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private:
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static std::string timestamp();
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static void criticalEnter() { s_output_mutex.lock(); }
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static void criticalLeave() { s_output_mutex.unlock(); }
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void outputHelper() { }
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template <typename T, typename ...P>
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void outputHelper(T t, P ...p)
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{
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std::cout << t;
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if (sizeof...(p))
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outputHelper(p...);
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}
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static bool s_verbose;
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static std::mutex s_output_mutex;
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std::string m_fixed_message;
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bool m_verbose;
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};
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#endif // SMTPFS_LOG_H
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