136 lines
4 KiB
C++
136 lines
4 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sys/prctl.h>
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#include <cassert>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include <Poco/ConsoleChannel.h>
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#include <Poco/Process.h>
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#include <Poco/Thread.h>
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#include "Log.hpp"
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static char LogPrefix[256] = { '\0' };
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namespace Log
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{
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static const Poco::Int64 epochStart = Poco::Timestamp().epochMicroseconds();
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// help avoid destruction ordering issues.
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struct StaticNames {
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bool inited;
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std::string name;
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std::string id;
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StaticNames() :
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inited(true)
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{
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}
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~StaticNames()
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{
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inited = false;
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}
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};
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static StaticNames Source;
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std::string prefix()
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{
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Poco::Int64 usec = Poco::Timestamp().epochMicroseconds() - epochStart;
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const Poco::Int64 one_s = 1000000;
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const Poco::Int64 hours = usec / (one_s*60*60);
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usec %= (one_s*60*60);
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const Poco::Int64 minutes = usec / (one_s*60);
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usec %= (one_s*60);
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const Poco::Int64 seconds = usec / (one_s);
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usec %= (one_s);
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std::ostringstream stream;
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stream << (Source.inited ? Source.id : std::string())
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<< '-' << std::setw(2) << std::setfill('0')
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<< (Poco::Thread::current() ? Poco::Thread::current()->id() : 0) << ' '
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<< std::setw(2) << hours << ':' << std::setw(2) << minutes << ':'
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<< std::setw(2) << seconds << "." << std::setw(6) << usec
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<< ' ';
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char buf[32]; // we really need only 16
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if (prctl(PR_GET_NAME, reinterpret_cast<unsigned long>(buf), 0, 0, 0) == 0)
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stream << '[' << std::setw(15) << std::setfill(' ') << std::left << buf << "] ";
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return stream.str();
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}
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void initialize(const std::string& name)
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{
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Source.name = name;
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std::ostringstream oss;
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oss << Source.name << '-'
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<< std::setw(5) << std::setfill('0') << Poco::Process::id();
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Source.id = oss.str();
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assert (sizeof (LogPrefix) > strlen(oss.str().c_str()) + 1);
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strncpy(LogPrefix, oss.str().c_str(), sizeof(LogPrefix));
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auto channel = (isatty(fileno(stdout)) || std::getenv("LOOL_LOGCOLOR")
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? static_cast<Poco::Channel*>(new Poco::ColorConsoleChannel())
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: static_cast<Poco::Channel*>(new Poco::ConsoleChannel()));
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auto& logger = Poco::Logger::create(Source.name, channel, Poco::Message::PRIO_TRACE);
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channel->release();
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// Configure the logger.
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// TODO: This should come from a file.
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// See Poco::Logger::setLevel docs for values.
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// Try: error, information, debug
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char *loglevel = std::getenv("LOOL_LOGLEVEL");
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if (loglevel)
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logger.setLevel(std::string(loglevel));
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info("Initializing " + name);
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info("Log level is [" + std::to_string(logger.getLevel()) + "].");
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}
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Poco::Logger& logger()
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{
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return Poco::Logger::get(Source.inited ? Source.name : std::string());
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}
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void trace(const std::string& msg)
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{
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logger().trace(prefix() + msg);
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}
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void debug(const std::string& msg)
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{
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logger().debug(prefix() + msg);
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}
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void info(const std::string& msg)
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{
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logger().information(prefix() + msg);
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}
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void warn(const std::string& msg)
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{
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logger().warning(prefix() + msg);
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}
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void error(const std::string& msg)
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{
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logger().error(prefix() + msg);
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}
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void syserror(const std::string& msg)
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{
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logger().error(prefix() + msg + " (errno: " + std::string(std::strerror(errno)) + ")");
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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