mirror of
https://github.com/Icinga/icinga2.git
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147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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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 *
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* as published by the Free Software Foundation; either version 2 *
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* of 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, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "base/streamlogger.h"
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#include "base/utility.h"
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#include "base/objectlock.h"
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#include <boost/thread/thread.hpp>
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#include <fstream>
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#include <iostream>
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using namespace icinga;
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REGISTER_TYPE(StreamLogger);
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boost::mutex StreamLogger::m_Mutex;
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/**
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* Constructor for the StreamLogger class.
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*/
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void StreamLogger::Start(void)
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{
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Logger::Start();
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m_Stream = NULL;
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m_OwnsStream = false;
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m_Tty = false;
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}
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void StreamLogger::Stop(void)
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{
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Logger::Stop();
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// make sure we flush the log data on shutdown, even if we don't call the destructor
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if (m_Stream)
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m_Stream->flush();
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}
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/**
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* Destructor for the StreamLogger class.
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*/
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StreamLogger::~StreamLogger(void)
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{
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if (m_OwnsStream)
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delete m_Stream;
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}
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void StreamLogger::FlushLogTimerHandler(void)
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{
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m_Stream->flush();
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}
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void StreamLogger::BindStream(std::ostream *stream, bool ownsStream)
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{
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ObjectLock olock(this);
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m_Stream = stream;
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m_OwnsStream = ownsStream;
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m_Tty = IsTty(*stream);
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m_FlushLogTimer = make_shared<Timer>();
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m_FlushLogTimer->SetInterval(1);
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m_FlushLogTimer->OnTimerExpired.connect(boost::bind(&StreamLogger::FlushLogTimerHandler, this));
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m_FlushLogTimer->Start();
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}
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/**
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* Processes a log entry and outputs it to a stream.
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*
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* @param stream The output stream.
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* @param tty Whether the output stream is a TTY.
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* @param entry The log entry.
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*/
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void StreamLogger::ProcessLogEntry(std::ostream& stream, bool tty, const LogEntry& entry)
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{
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String timestamp = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S %z", entry.Timestamp);
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boost::mutex::scoped_lock lock(m_Mutex);
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if (tty) {
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switch (entry.Severity) {
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case LogWarning:
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stream << "\x1b[1;33m"; // yellow;
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break;
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case LogCritical:
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stream << "\x1b[1;31m"; // red
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break;
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default:
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break;
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}
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}
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stream << "[" << timestamp << "] <" << Utility::GetThreadName() << "> "
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<< Logger::SeverityToString(entry.Severity) << "/" << entry.Facility << ": "
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<< entry.Message;
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if (tty)
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stream << "\x1b[0m"; // clear colors
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stream << "\n";
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}
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/**
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* Processes a log entry and outputs it to a stream.
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*
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* @param entry The log entry.
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*/
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void StreamLogger::ProcessLogEntry(const LogEntry& entry)
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{
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ProcessLogEntry(*m_Stream, m_Tty, entry);
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}
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/**
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* Checks whether the specified stream is a terminal.
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*
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* @param stream The stream.
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* @returns true if the stream is a terminal, false otherwise.
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*/
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bool StreamLogger::IsTty(std::ostream& stream)
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{
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#ifndef _WIN32
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/* Eww... */
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if (&stream == &std::cout)
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return isatty(fileno(stdout));
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if (&stream == &std::cerr)
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return isatty(fileno(stderr));
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#endif /*_ WIN32 */
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return false;
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}
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