1 /***************************************************************************
2 * Copyright (C) 2005-2018 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
37 QByteArray msgWithTime(const Logger::LogEntry &msg)
39 return (msg.timeStamp.toString("yyyy-MM-dd hh:mm:ss ") + msg.message + "\n").toUtf8();
45 Logger::Logger(QObject *parent)
48 static bool registered = []() {
49 qRegisterMetaType<LogEntry>();
54 connect(this, SIGNAL(messageLogged(Logger::LogEntry)), this, SLOT(onMessageLogged(Logger::LogEntry)));
56 #if QT_VERSION < 0x050000
57 qInstallMsgHandler(Logger::messageHandler);
59 qInstallMessageHandler(Logger::messageHandler);
66 // If we're not initialized yet, output pending messages so they don't get lost
68 for (auto &&message : _messages) {
69 std::cerr << msgWithTime(message).constData();
75 std::vector<Logger::LogEntry> Logger::messages() const
81 bool Logger::setup(bool keepMessages)
83 _keepMessages = keepMessages;
85 // Set maximum level for output (we still store/announce all messages for client-side filtering)
86 if (Quassel::isOptionSet("loglevel")) {
87 QString level = Quassel::optionValue("loglevel").toLower();
89 _outputLevel = LogLevel::Debug;
90 else if (level == "info")
91 _outputLevel = LogLevel::Info;
92 else if (level == "warning")
93 _outputLevel = LogLevel::Warning;
94 else if (level == "error")
95 _outputLevel = LogLevel::Error;
97 qCritical() << qPrintable(tr("Invalid log level %1; supported are Debug|Info|Warning|Error").arg(level));
102 QString logfilename = Quassel::optionValue("logfile");
103 if (!logfilename.isEmpty()) {
104 _logFile.setFileName(logfilename);
105 if (!_logFile.open(QFile::Append|QFile::Unbuffered|QFile::Text)) {
106 qCritical() << qPrintable(tr("Could not open log file \"%1\": %2").arg(logfilename, _logFile.errorString()));
109 if (!_logFile.isOpen()) {
110 if (!_logFile.open(stderr, QFile::WriteOnly|QFile::Unbuffered|QFile::Text)) {
111 qCritical() << qPrintable(tr("Cannot write to stderr: %1").arg(_logFile.errorString()));
116 _syslogEnabled = Quassel::isOptionSet("syslog");
121 // Now that we've setup our logging backends, output pending messages
122 for (auto &&message : _messages) {
123 outputMessage(message);
125 if (!_keepMessages) {
133 #if QT_VERSION < 0x050000
134 void Logger::messageHandler(QtMsgType type, const char *message)
136 void Logger::messageHandler(QtMsgType type, const QMessageLogContext &, const QString &message)
139 Quassel::instance()->logger()->handleMessage(type, message);
143 void Logger::handleMessage(QtMsgType type, const QString &msg)
147 handleMessage(LogLevel::Debug, msg);
149 #if QT_VERSION >= 0x050500
151 handleMessage(LogLevel::Info, msg);
155 handleMessage(LogLevel::Warning, msg);
158 handleMessage(LogLevel::Error, msg);
161 handleMessage(LogLevel::Fatal, msg);
167 void Logger::handleMessage(LogLevel level, const QString &msg)
172 case LogLevel::Debug:
173 logString = "[Debug] ";
176 logString = "[Info ] ";
178 case LogLevel::Warning:
179 logString = "[Warn ] ";
181 case LogLevel::Error:
182 logString = "[Error] ";
184 case LogLevel::Fatal:
185 logString = "[FATAL] ";
189 // Use signal connection to make this method thread-safe
190 emit messageLogged({QDateTime::currentDateTime(), level, logString += msg});
194 void Logger::onMessageLogged(const LogEntry &message)
197 _messages.push_back(message);
200 // If setup() wasn't called yet, just store the message - will be output later
202 outputMessage(message);
207 void Logger::outputMessage(const LogEntry &message)
209 if (message.logLevel < _outputLevel) {
214 if (_syslogEnabled) {
216 switch (message.logLevel) {
217 case LogLevel::Debug:
223 case LogLevel::Warning:
226 case LogLevel::Error:
229 case LogLevel::Fatal:
232 syslog(prio|LOG_USER, "%s", qPrintable(message.message));
236 if (!_logFile.fileName().isEmpty() || !_syslogEnabled) {
237 _logFile.write(msgWithTime(message));
241 // For fatal messages, write log to dump file
242 if (message.logLevel == LogLevel::Fatal) {
243 QFile dumpFile{Quassel::instance()->coreDumpFileName()};
244 if (dumpFile.open(QIODevice::Append)) {
245 dumpFile.write(msgWithTime(message));