299 lines
8.2 KiB
C++
299 lines
8.2 KiB
C++
/* This file is part of Strawberry.
|
|
Copyright 2011, David Sansome <me@davidsansome.com>
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
#include <QtGlobal>
|
|
#include <QByteArray>
|
|
#include <QList>
|
|
#include <QMap>
|
|
#include <QString>
|
|
#include <QStringList>
|
|
#include <QRegExp>
|
|
#include <QDateTime>
|
|
#include <QIODevice>
|
|
#include <QtMessageHandler>
|
|
#include <QMessageLogContext>
|
|
|
|
#include <cxxabi.h>
|
|
#include <glib.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string>
|
|
#include <iostream>
|
|
#ifdef Q_OS_UNIX
|
|
#include <execinfo.h>
|
|
#endif
|
|
|
|
#include "logging.h"
|
|
|
|
namespace logging {
|
|
|
|
static Level sDefaultLevel = Level_Debug;
|
|
static QMap<QString, Level>* sClassLevels = nullptr;
|
|
static QIODevice *sNullDevice = nullptr;
|
|
|
|
//const char* kDefaultLogLevels = "*:3";
|
|
const char* kDefaultLogLevels = "GstEnginePipeline:2,*:3";
|
|
|
|
static const char *kMessageHandlerMagic = "__logging_message__";
|
|
static const int kMessageHandlerMagicLength = strlen(kMessageHandlerMagic);
|
|
static QtMessageHandler sOriginalMessageHandler = nullptr;
|
|
|
|
void GLog(const char *domain, int level, const char *message, void *user_data) {
|
|
|
|
switch (level) {
|
|
case G_LOG_FLAG_RECURSION:
|
|
case G_LOG_FLAG_FATAL:
|
|
case G_LOG_LEVEL_ERROR:
|
|
case G_LOG_LEVEL_CRITICAL: qLog(Error) << message; break;
|
|
case G_LOG_LEVEL_WARNING: qLog(Warning) << message; break;
|
|
case G_LOG_LEVEL_MESSAGE:
|
|
case G_LOG_LEVEL_INFO: qLog(Info) << message; break;
|
|
case G_LOG_LEVEL_DEBUG:
|
|
default: qLog(Debug) << message; break;
|
|
}
|
|
|
|
}
|
|
|
|
static void MessageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message) {
|
|
|
|
if (strncmp(kMessageHandlerMagic, message.toLocal8Bit().data(), kMessageHandlerMagicLength) == 0) {
|
|
fprintf(stderr, "%s\n", message.toLocal8Bit().data() + kMessageHandlerMagicLength);
|
|
return;
|
|
}
|
|
|
|
Level level = Level_Debug;
|
|
switch (type) {
|
|
case QtFatalMsg:
|
|
case QtCriticalMsg: level = Level_Error; break;
|
|
case QtWarningMsg: level = Level_Warning; break;
|
|
case QtDebugMsg:
|
|
default: level = Level_Debug; break;
|
|
}
|
|
|
|
for (const QString &line : message.split('\n')) {
|
|
CreateLogger(level, "unknown", -1) << line.toLocal8Bit().constData();
|
|
}
|
|
|
|
if (type == QtFatalMsg) {
|
|
abort();
|
|
}
|
|
}
|
|
|
|
void Init() {
|
|
|
|
delete sClassLevels;
|
|
delete sNullDevice;
|
|
|
|
sClassLevels = new QMap<QString, Level>();
|
|
sNullDevice = new NullDevice;
|
|
sNullDevice->open(QIODevice::ReadWrite);
|
|
|
|
// Catch other messages from Qt
|
|
if (!sOriginalMessageHandler) {
|
|
sOriginalMessageHandler = qInstallMessageHandler(MessageHandler);
|
|
}
|
|
}
|
|
|
|
void SetLevels(const QString &levels) {
|
|
|
|
if (!sClassLevels) return;
|
|
|
|
for (const QString& item : levels.split(',')) {
|
|
const QStringList class_level = item.split(':');
|
|
|
|
QString class_name;
|
|
bool ok = false;
|
|
int level = Level_Error;
|
|
|
|
if (class_level.count() == 1) {
|
|
level = class_level.last().toInt(&ok);
|
|
}
|
|
else if (class_level.count() == 2) {
|
|
class_name = class_level.first();
|
|
level = class_level.last().toInt(&ok);
|
|
}
|
|
|
|
if (!ok || level < Level_Error || level > Level_Debug) {
|
|
continue;
|
|
}
|
|
|
|
if (class_name.isEmpty() || class_name == "*") {
|
|
sDefaultLevel = (Level) level;
|
|
}
|
|
else {
|
|
sClassLevels->insert(class_name, (Level) level);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
QString ParsePrettyFunction(const char *pretty_function) {
|
|
|
|
// Get the class name out of the function name.
|
|
QString class_name = pretty_function;
|
|
const int paren = class_name.indexOf('(');
|
|
if (paren != -1) {
|
|
const int colons = class_name.lastIndexOf("::", paren);
|
|
if (colons != -1) {
|
|
class_name = class_name.left(colons);
|
|
}
|
|
else {
|
|
class_name = class_name.left(paren);
|
|
}
|
|
}
|
|
|
|
const int space = class_name.lastIndexOf(' ');
|
|
if (space != -1) {
|
|
class_name = class_name.mid(space+1);
|
|
}
|
|
|
|
return class_name;
|
|
}
|
|
|
|
QDebug CreateLogger(Level level, const QString &class_name, int line) {
|
|
|
|
// Map the level to a string
|
|
const char *level_name = nullptr;
|
|
switch (level) {
|
|
case Level_Debug: level_name = " DEBUG "; break;
|
|
case Level_Info: level_name = " INFO "; break;
|
|
case Level_Warning: level_name = " WARN "; break;
|
|
case Level_Error: level_name = " ERROR "; break;
|
|
case Level_Fatal: level_name = " FATAL "; break;
|
|
}
|
|
|
|
// Check the settings to see if we're meant to show or hide this message.
|
|
Level threshold_level = sDefaultLevel;
|
|
if (sClassLevels && sClassLevels->contains(class_name)) {
|
|
threshold_level = sClassLevels->value(class_name);
|
|
}
|
|
|
|
if (level > threshold_level) {
|
|
return QDebug(sNullDevice);
|
|
}
|
|
|
|
QString function_line = class_name;
|
|
if (line != -1) {
|
|
function_line += ":" + QString::number(line);
|
|
}
|
|
|
|
QtMsgType type = QtDebugMsg;
|
|
if (level == Level_Fatal) {
|
|
type = QtFatalMsg;
|
|
}
|
|
|
|
QDebug ret(type);
|
|
ret.nospace() << kMessageHandlerMagic
|
|
<< QDateTime::currentDateTime()
|
|
.toString("hh:mm:ss.zzz")
|
|
.toLatin1()
|
|
.constData() << level_name
|
|
<< function_line.leftJustified(32).toLatin1().constData();
|
|
|
|
return ret.space();
|
|
}
|
|
|
|
QString CXXDemangle(const QString &mangled_function) {
|
|
|
|
int status;
|
|
char* demangled_function = abi::__cxa_demangle(mangled_function.toLatin1().constData(), nullptr, nullptr, &status);
|
|
if (status == 0) {
|
|
QString ret = QString::fromLatin1(demangled_function);
|
|
free(demangled_function);
|
|
return ret;
|
|
}
|
|
return mangled_function; // Probably not a C++ function.
|
|
|
|
}
|
|
|
|
QString DarwinDemangle(const QString &symbol) {
|
|
|
|
QStringList split = symbol.split(' ', QString::SkipEmptyParts);
|
|
QString mangled_function = split[3];
|
|
return CXXDemangle(mangled_function);
|
|
|
|
}
|
|
|
|
QString LinuxDemangle(const QString &symbol) {
|
|
|
|
QRegExp regex("\\(([^+]+)");
|
|
if (!symbol.contains(regex)) {
|
|
return symbol;
|
|
}
|
|
QString mangled_function = regex.cap(1);
|
|
return CXXDemangle(mangled_function);
|
|
|
|
}
|
|
|
|
QString DemangleSymbol(const QString &symbol) {
|
|
#ifdef Q_OS_MACOS
|
|
return DarwinDemangle(symbol);
|
|
#elif defined(Q_OS_LINUX)
|
|
return LinuxDemangle(symbol);
|
|
#else
|
|
return symbol;
|
|
#endif
|
|
}
|
|
|
|
void DumpStackTrace() {
|
|
#ifdef Q_OS_UNIX
|
|
void* callstack[128];
|
|
int callstack_size = backtrace(reinterpret_cast<void**>(&callstack), sizeof(callstack));
|
|
char** symbols = backtrace_symbols(reinterpret_cast<void**>(&callstack), callstack_size);
|
|
// Start from 1 to skip ourself.
|
|
for (int i = 1; i < callstack_size; ++i) {
|
|
std::cerr << DemangleSymbol(QString::fromLatin1(symbols[i])).toStdString() << std::endl;
|
|
}
|
|
free(symbols);
|
|
#else
|
|
qLog(Debug) << "FIXME: Implement printing stack traces on this platform";
|
|
#endif
|
|
}
|
|
|
|
QDebug CreateLoggerFatal(int line, const char *class_name) { return qCreateLogger(line, class_name, Fatal); }
|
|
QDebug CreateLoggerError(int line, const char *class_name) { return qCreateLogger(line, class_name, Error); }
|
|
|
|
#ifdef QT_NO_WARNING_OUTPUT
|
|
QNoDebug CreateLoggerWarning(int, const char*) { return QNoDebug(); }
|
|
#else
|
|
QDebug CreateLoggerWarning(int line, const char *class_name) { return qCreateLogger(line, class_name, Warning); }
|
|
#endif // QT_NO_WARNING_OUTPUT
|
|
|
|
#ifdef QT_NO_DEBUG_OUTPUT
|
|
QNoDebug CreateLoggerInfo(int, const char*) { return QNoDebug(); }
|
|
QNoDebug CreateLoggerDebug(int, const char*) { return QNoDebug(); }
|
|
#else
|
|
QDebug CreateLoggerInfo(int line, const char *class_name) { return qCreateLogger(line, class_name, Info); }
|
|
QDebug CreateLoggerDebug(int line, const char *class_name) { return qCreateLogger(line, class_name, Debug); }
|
|
#endif // QT_NO_DEBUG_OUTPUT
|
|
|
|
} // namespace logging
|
|
|
|
namespace {
|
|
|
|
template <typename T>
|
|
QString print_duration(T duration, const std::string& unit) {
|
|
return QString("%1%2").arg(duration.count()).arg(unit.c_str());
|
|
}
|
|
|
|
} // namespace
|
|
|
|
QDebug operator<<(QDebug dbg, std::chrono::seconds secs) {
|
|
dbg.nospace() << print_duration(secs, "s");
|
|
return dbg.space();
|
|
}
|
|
|