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logs.cpp
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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "logs.h"
#include <signal.h>
#include <new>
#include "platform/platform_specific.h"
#include "mtproto/connection.h"
#ifndef TDESKTOP_DISABLE_CRASH_REPORTS
// see https://blog.inventic.eu/2012/08/qt-and-google-breakpad/
#ifdef Q_OS_WIN
#pragma warning(push)
#pragma warning(disable:4091)
#include "client/windows/handler/exception_handler.h"
#pragma warning(pop)
#elif defined Q_OS_MAC // Q_OS_WIN
#include <unistd.h>
#ifdef MAC_USE_BREAKPAD
#include "client/mac/handler/exception_handler.h"
#else // MAC_USE_BREAKPAD
#include "client/crashpad_client.h"
#endif // else for MAC_USE_BREAKPAD
#elif defined Q_OS_LINUX64 || defined Q_OS_LINUX32 // Q_OS_MAC
#include "client/linux/handler/exception_handler.h"
#endif // Q_OS_LINUX64 || Q_OS_LINUX32
#endif // !TDESKTOP_DISABLE_CRASH_REPORTS
enum LogDataType {
LogDataMain,
LogDataDebug,
LogDataTcp,
LogDataMtp,
LogDataCount
};
QMutex *_logsMutex(LogDataType type, bool clear = false) {
static QMutex *LogsMutexes = 0;
if (clear) {
delete[] LogsMutexes;
LogsMutexes = 0;
} else if (!LogsMutexes) {
LogsMutexes = new QMutex[LogDataCount];
}
return &LogsMutexes[type];
}
QString _logsFilePath(LogDataType type, const QString &postfix = QString()) {
QString path(cWorkingDir());
switch (type) {
case LogDataMain: path += qstr("log") + postfix + qstr(".txt"); break;
case LogDataDebug: path += qstr("DebugLogs/log") + postfix + qstr(".txt"); break;
case LogDataTcp: path += qstr("DebugLogs/tcp") + postfix + qstr(".txt"); break;
case LogDataMtp: path += qstr("DebugLogs/mtp") + postfix + qstr(".txt"); break;
}
return path;
}
int32 LogsStartIndexChosen = -1;
QString _logsEntryStart() {
static int32 index = 0;
QDateTime tm(QDateTime::currentDateTime());
auto thread = qobject_cast<MTP::internal::Thread*>(QThread::currentThread());
auto threadId = thread ? thread->getThreadIndex() : 0;
return QString("[%1 %2-%3]").arg(tm.toString("hh:mm:ss.zzz")).arg(QString("%1").arg(threadId, 2, 10, QChar('0'))).arg(++index, 7, 10, QChar('0'));
}
class LogsDataFields {
public:
LogsDataFields() {
for (int32 i = 0; i < LogDataCount; ++i) {
files[i].reset(new QFile());
}
}
bool openMain() {
return reopen(LogDataMain, 0, qsl("start"));
}
void closeMain() {
QMutexLocker lock(_logsMutex(LogDataMain));
if (files[LogDataMain]) {
streams[LogDataMain].setDevice(0);
files[LogDataMain]->close();
}
}
bool instanceChecked() {
return reopen(LogDataMain, 0, QString());
}
QString full() {
if (!streams[LogDataMain].device()) {
return QString();
}
QFile out(files[LogDataMain]->fileName());
if (out.open(QIODevice::ReadOnly)) {
return QString::fromUtf8(out.readAll());
}
return QString();
}
void write(LogDataType type, const QString &msg) {
QMutexLocker lock(_logsMutex(type));
if (type != LogDataMain) reopenDebug();
if (!streams[type].device()) return;
streams[type] << msg;
streams[type].flush();
}
private:
QSharedPointer<QFile> files[LogDataCount];
QTextStream streams[LogDataCount];
int32 part = -1;
bool reopen(LogDataType type, int32 dayIndex, const QString &postfix) {
if (streams[type].device()) {
if (type == LogDataMain) {
if (!postfix.isEmpty()) {
return true;
}
} else {
streams[type].setDevice(0);
files[type]->close();
}
}
QFlags<QIODevice::OpenModeFlag> mode = QIODevice::WriteOnly | QIODevice::Text;
if (type == LogDataMain) { // we can call LOG() in LogDataMain reopen - mutex not locked
if (postfix.isEmpty()) { // instance checked, need to move to log.txt
t_assert(!files[type]->fileName().isEmpty()); // one of log_startXX.txt should've been opened already
QSharedPointer<QFile> to(new QFile(_logsFilePath(type, postfix)));
if (to->exists() && !to->remove()) {
LOG(("Could not delete '%1' file to start new logging!").arg(to->fileName()));
return false;
}
if (!QFile(files[type]->fileName()).copy(to->fileName())) { // don't close files[type] yet
LOG(("Could not copy '%1' to '%2' to start new logging!").arg(files[type]->fileName()).arg(to->fileName()));
return false;
}
if (to->open(mode | QIODevice::Append)) {
qSwap(files[type], to);
streams[type].setDevice(files[type].data());
streams[type].setCodec("UTF-8");
LOG(("Moved logging from '%1' to '%2'!").arg(to->fileName()).arg(files[type]->fileName()));
to->remove();
LogsStartIndexChosen = -1;
QDir working(cWorkingDir()); // delete all other log_startXX.txt that we can
QStringList oldlogs = working.entryList(QStringList("log_start*.txt"), QDir::Files);
for (QStringList::const_iterator i = oldlogs.cbegin(), e = oldlogs.cend(); i != e; ++i) {
QString oldlog = cWorkingDir() + *i, oldlogend = i->mid(qstr("log_start").size());
if (oldlogend.size() == 1 + qstr(".txt").size() && oldlogend.at(0).isDigit() && oldlogend.midRef(1) == qstr(".txt")) {
bool removed = QFile(*i).remove();
LOG(("Old start log '%1' found, deleted: %2").arg(*i).arg(Logs::b(removed)));
}
}
return true;
}
LOG(("Could not open '%1' file to start new logging!").arg(to->fileName()));
return false;
} else {
bool found = false;
int32 oldest = -1; // find not existing log_startX.txt or pick the oldest one (by lastModified)
QDateTime oldestLastModified;
for (int32 i = 0; i < 10; ++i) {
QString trying = _logsFilePath(type, qsl("_start%1").arg(i));
files[type]->setFileName(trying);
if (!files[type]->exists()) {
LogsStartIndexChosen = i;
found = true;
break;
}
QDateTime lastModified = QFileInfo(trying).lastModified();
if (oldest < 0 || lastModified < oldestLastModified) {
oldestLastModified = lastModified;
oldest = i;
}
}
if (!found) {
files[type]->setFileName(_logsFilePath(type, qsl("_start%1").arg(oldest)));
LogsStartIndexChosen = oldest;
}
}
} else {
files[type]->setFileName(_logsFilePath(type, postfix));
if (files[type]->exists()) {
if (files[type]->open(QIODevice::ReadOnly | QIODevice::Text)) {
if (QString::fromUtf8(files[type]->readLine()).toInt() == dayIndex) {
mode |= QIODevice::Append;
}
files[type]->close();
}
} else {
QDir().mkdir(cWorkingDir() + qstr("DebugLogs"));
}
}
if (files[type]->open(mode)) {
streams[type].setDevice(files[type].data());
streams[type].setCodec("UTF-8");
if (type != LogDataMain) {
streams[type] << ((mode & QIODevice::Append) ? qsl("----------------------------------------------------------------\nNEW LOGGING INSTANCE STARTED!!!\n----------------------------------------------------------------\n") : qsl("%1\n").arg(dayIndex));
streams[type].flush();
}
return true;
} else if (type != LogDataMain) {
LOG(("Could not open debug log '%1'!").arg(files[type]->fileName()));
}
return false;
}
void reopenDebug() {
time_t t = time(NULL);
struct tm tm;
mylocaltime(&tm, &t);
static const int switchEach = 15; // minutes
int32 newPart = (tm.tm_min + tm.tm_hour * 60) / switchEach;
if (newPart == part) return;
part = newPart;
int32 dayIndex = (tm.tm_year + 1900) * 10000 + (tm.tm_mon + 1) * 100 + tm.tm_mday;
QString postfix = QString("_%4_%5").arg((part * switchEach) / 60, 2, 10, QChar('0')).arg((part * switchEach) % 60, 2, 10, QChar('0'));
reopen(LogDataDebug, dayIndex, postfix);
reopen(LogDataTcp, dayIndex, postfix);
reopen(LogDataMtp, dayIndex, postfix);
}
};
LogsDataFields *LogsData = 0;
typedef QList<QPair<LogDataType, QString> > LogsInMemoryList;
LogsInMemoryList *LogsInMemory = 0;
LogsInMemoryList *DeletedLogsInMemory = SharedMemoryLocation<LogsInMemoryList, 0>();
QString LogsBeforeSingleInstanceChecked; // LogsInMemory already dumped in LogsData, but LogsData is about to be deleted
void _logsWrite(LogDataType type, const QString &msg) {
if (LogsData && (type == LogDataMain || LogsStartIndexChosen < 0)) {
if (type == LogDataMain || cDebug()) {
LogsData->write(type, msg);
}
} else if (LogsInMemory != DeletedLogsInMemory) {
if (!LogsInMemory) {
LogsInMemory = new LogsInMemoryList;
}
LogsInMemory->push_back(qMakePair(type, msg));
} else if (!LogsBeforeSingleInstanceChecked.isEmpty() && type == LogDataMain) {
LogsBeforeSingleInstanceChecked += msg;
}
}
void _moveOldDataFiles(const QString &from);
namespace SignalHandlers {
void StartCrashHandler();
void FinishCrashHandler();
}
namespace Logs {
void start() {
t_assert(LogsData == 0);
if (!Sandbox::CheckBetaVersionDir()) {
return;
}
bool workingDirChosen = cBetaVersion();
QString initialWorkingDir = QDir(cWorkingDir()).absolutePath() + '/', moveOldDataFrom;
if (cBetaVersion()) {
cSetDebug(true);
#if defined Q_OS_MAC || defined Q_OS_LINUX
} else {
#ifdef _DEBUG
cForceWorkingDir(cExeDir());
#else // _DEBUG
if (cWorkingDir().isEmpty()) {
cForceWorkingDir(psAppDataPath());
}
#endif // else for _DEBUG
workingDirChosen = true;
#if defined Q_OS_LINUX && !defined _DEBUG // fix first version
moveOldDataFrom = initialWorkingDir;
#endif // Q_OS_LINUX && !_DEBUG
#elif defined Q_OS_WINRT // Q_OS_MAC || Q_OS_LINUX
} else {
cForceWorkingDir(psAppDataPath());
workingDirChosen = true;
#elif defined OS_WIN_STORE
#ifdef _DEBUG
cForceWorkingDir(cExeDir());
#else // _DEBUG
cForceWorkingDir(psAppDataPath());
#endif // else for _DEBUG
#endif // OS_WIN_STORE
}
LogsData = new LogsDataFields();
if (!workingDirChosen) {
cForceWorkingDir(cWorkingDir());
if (!LogsData->openMain()) {
cForceWorkingDir(cExeDir());
if (!LogsData->openMain()) {
cForceWorkingDir(psAppDataPath());
}
}
}
cForceWorkingDir(QDir(cWorkingDir()).absolutePath() + '/');
// WinRT build requires the working dir to stay the same for plugin loading.
#ifndef Q_OS_WINRT
QDir().setCurrent(cWorkingDir());
#endif // !Q_OS_WINRT
QDir().mkpath(cWorkingDir() + qstr("tdata"));
Sandbox::WorkingDirReady();
SignalHandlers::StartCrashHandler();
if (!LogsData->openMain()) {
delete LogsData;
LogsData = 0;
}
LOG(("Launched version: %1, alpha: %2, beta: %3, debug mode: %4, test dc: %5").arg(AppVersion).arg(Logs::b(cAlphaVersion())).arg(cBetaVersion()).arg(Logs::b(cDebug())).arg(Logs::b(cTestMode())));
LOG(("Executable dir: %1, name: %2").arg(cExeDir()).arg(cExeName()));
LOG(("Initial working dir: %1").arg(initialWorkingDir));
LOG(("Working dir: %1").arg(cWorkingDir()));
LOG(("Arguments: %1").arg(cArguments()));
if (!LogsData) {
LOG(("FATAL: Could not open '%1' for writing log!").arg(_logsFilePath(LogDataMain, qsl("_startXX"))));
return;
}
#ifdef Q_OS_WIN
if (cWorkingDir() == psAppDataPath()) { // fix old "Telegram Win (Unofficial)" version
moveOldDataFrom = psAppDataPathOld();
}
#endif
if (!moveOldDataFrom.isEmpty()) {
_moveOldDataFiles(moveOldDataFrom);
}
if (LogsInMemory) {
t_assert(LogsInMemory != DeletedLogsInMemory);
LogsInMemoryList list = *LogsInMemory;
for (LogsInMemoryList::const_iterator i = list.cbegin(), e = list.cend(); i != e; ++i) {
if (i->first == LogDataMain) {
_logsWrite(i->first, i->second);
LOG(("First: %1, %2").arg(i->first).arg(i->second));
}
}
}
LOG(("Logs started"));
}
void finish() {
delete LogsData;
LogsData = 0;
if (LogsInMemory && LogsInMemory != DeletedLogsInMemory) {
delete LogsInMemory;
}
LogsInMemory = DeletedLogsInMemory;
_logsMutex(LogDataMain, true);
SignalHandlers::FinishCrashHandler();
}
bool started() {
return LogsData != 0;
}
bool instanceChecked() {
if (!LogsData) return false;
if (!LogsData->instanceChecked()) {
LogsBeforeSingleInstanceChecked = Logs::full();
delete LogsData;
LogsData = 0;
LOG(("FATAL: Could not move logging to '%1'!").arg(_logsFilePath(LogDataMain)));
return false;
}
if (LogsInMemory) {
t_assert(LogsInMemory != DeletedLogsInMemory);
LogsInMemoryList list = *LogsInMemory;
for (LogsInMemoryList::const_iterator i = list.cbegin(), e = list.cend(); i != e; ++i) {
if (i->first != LogDataMain) {
_logsWrite(i->first, i->second);
}
}
}
if (LogsInMemory) {
t_assert(LogsInMemory != DeletedLogsInMemory);
delete LogsInMemory;
}
LogsInMemory = DeletedLogsInMemory;
DEBUG_LOG(("Debug logs started."));
LogsBeforeSingleInstanceChecked.clear();
return true;
}
void multipleInstances() {
if (LogsInMemory) {
t_assert(LogsInMemory != DeletedLogsInMemory);
delete LogsInMemory;
}
LogsInMemory = DeletedLogsInMemory;
if (cDebug()) {
LOG(("WARNING: debug logs are not written in multiple instances mode!"));
}
LogsBeforeSingleInstanceChecked.clear();
}
void closeMain() {
LOG(("Explicitly closing main log and finishing crash handlers."));
if (LogsData) {
LogsData->closeMain();
}
}
void writeMain(const QString &v) {
time_t t = time(NULL);
struct tm tm;
mylocaltime(&tm, &t);
QString msg(QString("[%1.%2.%3 %4:%5:%6] %7\n").arg(tm.tm_year + 1900).arg(tm.tm_mon + 1, 2, 10, QChar('0')).arg(tm.tm_mday, 2, 10, QChar('0')).arg(tm.tm_hour, 2, 10, QChar('0')).arg(tm.tm_min, 2, 10, QChar('0')).arg(tm.tm_sec, 2, 10, QChar('0')).arg(v));
_logsWrite(LogDataMain, msg);
QString debugmsg(QString("%1 %2\n").arg(_logsEntryStart()).arg(v));
_logsWrite(LogDataDebug, debugmsg);
}
void writeDebug(const char *file, int32 line, const QString &v) {
const char *last = strstr(file, "/"), *found = 0;
while (last) {
found = last;
last = strstr(last + 1, "/");
}
last = strstr(file, "\\");
while (last) {
found = last;
last = strstr(last + 1, "\\");
}
if (found) {
file = found + 1;
}
QString msg(QString("%1 %2 (%3 : %4)\n").arg(_logsEntryStart()).arg(v).arg(file).arg(line));
_logsWrite(LogDataDebug, msg);
#ifdef Q_OS_WIN
//OutputDebugString(reinterpret_cast<const wchar_t *>(msg.utf16()));
#elif defined Q_OS_MAC
//objc_outputDebugString(msg);
#elif defined Q_OS_LINUX && defined _DEBUG
//std::cout << msg.toUtf8().constData();
#endif
}
void writeTcp(const QString &v) {
QString msg(QString("%1 %2\n").arg(_logsEntryStart()).arg(v));
_logsWrite(LogDataTcp, msg);
}
void writeMtp(int32 dc, const QString &v) {
QString msg(QString("%1 (dc:%2) %3\n").arg(_logsEntryStart()).arg(dc).arg(v));
_logsWrite(LogDataMtp, msg);
}
QString full() {
if (LogsData) {
return LogsData->full();
}
if (!LogsInMemory || LogsInMemory == DeletedLogsInMemory) {
return LogsBeforeSingleInstanceChecked;
}
int32 size = LogsBeforeSingleInstanceChecked.size();
for (LogsInMemoryList::const_iterator i = LogsInMemory->cbegin(), e = LogsInMemory->cend(); i != e; ++i) {
if (i->first == LogDataMain) {
size += i->second.size();
}
}
QString result;
result.reserve(size);
if (!LogsBeforeSingleInstanceChecked.isEmpty()) {
result.append(LogsBeforeSingleInstanceChecked);
}
for (LogsInMemoryList::const_iterator i = LogsInMemory->cbegin(), e = LogsInMemory->cend(); i != e; ++i) {
if (i->first == LogDataMain) {
result += i->second;
}
}
return result;
}
QString vector(const QVector<MTPlong> &ids) {
if (!ids.size()) return "[]";
QString idsStr = QString("[%1").arg(ids.cbegin()->v);
for (QVector<MTPlong>::const_iterator i = ids.cbegin() + 1, e = ids.cend(); i != e; ++i) {
idsStr += QString(", %2").arg(i->v);
}
return idsStr + "]";
}
QString vector(const QVector<uint64> &ids) {
if (!ids.size()) return "[]";
QString idsStr = QString("[%1").arg(*ids.cbegin());
for (QVector<uint64>::const_iterator i = ids.cbegin() + 1, e = ids.cend(); i != e; ++i) {
idsStr += QString(", %2").arg(*i);
}
return idsStr + "]";
}
}
void _moveOldDataFiles(const QString &wasDir) {
QFile data(wasDir + "data"), dataConfig(wasDir + "data_config"), tdataConfig(wasDir + "tdata/config");
if (data.exists() && dataConfig.exists() && !QFileInfo(cWorkingDir() + "data").exists() && !QFileInfo(cWorkingDir() + "data_config").exists()) { // move to home dir
LOG(("Copying data to home dir '%1' from '%2'").arg(cWorkingDir()).arg(wasDir));
if (data.copy(cWorkingDir() + "data")) {
LOG(("Copied 'data' to home dir"));
if (dataConfig.copy(cWorkingDir() + "data_config")) {
LOG(("Copied 'data_config' to home dir"));
bool tdataGood = true;
if (tdataConfig.exists()) {
tdataGood = false;
QDir().mkpath(cWorkingDir() + "tdata");
if (tdataConfig.copy(cWorkingDir() + "tdata/config")) {
LOG(("Copied 'tdata/config' to home dir"));
tdataGood = true;
} else {
LOG(("Copied 'data' and 'data_config', but could not copy 'tdata/config'!"));
}
}
if (tdataGood) {
if (data.remove()) {
LOG(("Removed 'data'"));
} else {
LOG(("Could not remove 'data'"));
}
if (dataConfig.remove()) {
LOG(("Removed 'data_config'"));
} else {
LOG(("Could not remove 'data_config'"));
}
if (!tdataConfig.exists() || tdataConfig.remove()) {
LOG(("Removed 'tdata/config'"));
} else {
LOG(("Could not remove 'tdata/config'"));
}
QDir().rmdir(wasDir + "tdata");
}
} else {
LOG(("Copied 'data', but could not copy 'data_config'!!"));
}
} else {
LOG(("Could not copy 'data'!"));
}
}
}
#if defined Q_OS_MAC || defined Q_OS_LINUX32 || defined Q_OS_LINUX64
#include <execinfo.h>
#include <signal.h>
#include <sys/syscall.h>
#ifdef Q_OS_MAC
#include <dlfcn.h>
#endif
#endif
namespace SignalHandlers {
namespace internal {
using Annotations = std::map<std::string, std::string>;
using AnnotationRefs = std::map<std::string, const QString*>;
Annotations ProcessAnnotations;
AnnotationRefs ProcessAnnotationRefs;
#ifndef TDESKTOP_DISABLE_CRASH_REPORTS
QString ReportPath;
FILE *ReportFile = nullptr;
int ReportFileNo = 0;
char LaunchedDateTimeStr[32] = { 0 };
char LaunchedBinaryName[256] = { 0 };
void writeChar(char ch) {
fwrite(&ch, 1, 1, ReportFile);
}
template <bool Unsigned, typename Type>
struct writeNumberSignAndRemoveIt {
static void call(Type &number) {
if (number < 0) {
writeChar('-');
number = -number;
}
}
};
template <typename Type>
struct writeNumberSignAndRemoveIt<true, Type> {
static void call(Type &number) {
}
};
template <typename Type>
const dump &writeNumber(const dump &stream, Type number) {
if (!ReportFile) return stream;
writeNumberSignAndRemoveIt<(Type(-1) > Type(0)), Type>::call(number);
Type upper = 1, prev = number / 10;
while (prev >= upper) {
upper *= 10;
}
while (upper > 0) {
int digit = (number / upper);
internal::writeChar('0' + digit);
number -= digit * upper;
upper /= 10;
}
return stream;
}
} // namespace internal
dump::~dump() {
if (internal::ReportFile) {
fflush(internal::ReportFile);
}
}
const dump &operator<<(const dump &stream, const char *str) {
if (!internal::ReportFile) return stream;
fwrite(str, 1, strlen(str), internal::ReportFile);
return stream;
}
const dump &operator<<(const dump &stream, const wchar_t *str) {
if (!internal::ReportFile) return stream;
for (int i = 0, l = wcslen(str); i < l; ++i) {
if (str[i] >= 0 && str[i] < 128) {
internal::writeChar(char(str[i]));
} else {
internal::writeChar('?');
}
}
return stream;
}
const dump &operator<<(const dump &stream, int num) {
return internal::writeNumber(stream, num);
}
const dump &operator<<(const dump &stream, unsigned int num) {
return internal::writeNumber(stream, num);
}
const dump &operator<<(const dump &stream, unsigned long num) {
return internal::writeNumber(stream, num);
}
const dump &operator<<(const dump &stream, unsigned long long num) {
return internal::writeNumber(stream, num);
}
const dump &operator<<(const dump &stream, double num) {
if (num < 0) {
internal::writeChar('-');
num = -num;
}
internal::writeNumber(stream, uint64(floor(num)));
internal::writeChar('.');
num -= floor(num);
for (int i = 0; i < 4; ++i) {
num *= 10;
int digit = int(floor(num));
internal::writeChar('0' + digit);
num -= digit;
}
return stream;
}
namespace internal {
using ReservedMemoryChunk = std::array<gsl::byte, 1024 * 1024>;
std::unique_ptr<ReservedMemoryChunk> ReservedMemory;
void InstallOperatorNewHandler() {
ReservedMemory = std::make_unique<ReservedMemoryChunk>();
std::set_new_handler([] {
std::set_new_handler(nullptr);
ReservedMemory.reset();
Unexpected("Could not allocate!");
});
}
Qt::HANDLE ReportingThreadId = nullptr;
bool ReportingHeaderWritten = false;
QMutex ReportingMutex;
const char *BreakpadDumpPath = nullptr;
const wchar_t *BreakpadDumpPathW = nullptr;
#if defined Q_OS_MAC || defined Q_OS_LINUX32 || defined Q_OS_LINUX64
struct sigaction SIG_def[32];
void Handler(int signum, siginfo_t *info, void *ucontext) {
if (signum > 0) {
sigaction(signum, &SIG_def[signum], 0);
}
#else // Q_OS_MAC || Q_OS_LINUX32 || Q_OS_LINUX64
void Handler(int signum) {
#endif // else for Q_OS_MAC || Q_OS_LINUX || Q_OS_LINUX64
const char* name = 0;
switch (signum) {
case SIGABRT: name = "SIGABRT"; break;
case SIGSEGV: name = "SIGSEGV"; break;
case SIGILL: name = "SIGILL"; break;
case SIGFPE: name = "SIGFPE"; break;
#ifndef Q_OS_WIN
case SIGBUS: name = "SIGBUS"; break;
case SIGSYS: name = "SIGSYS"; break;
#endif // !Q_OS_WIN
}
Qt::HANDLE thread = QThread::currentThreadId();
if (thread == ReportingThreadId) return;
QMutexLocker lock(&ReportingMutex);
ReportingThreadId = thread;
if (!ReportingHeaderWritten) {
ReportingHeaderWritten = true;
auto dec2hex = [](int value) -> char {
if (value >= 0 && value < 10) {
return '0' + value;
} else if (value >= 10 && value < 16) {
return 'a' + (value - 10);
}
return '#';
};
for (const auto &i : ProcessAnnotationRefs) {
QByteArray utf8 = i.second->toUtf8();
std::string wrapped;
wrapped.reserve(4 * utf8.size());
for (auto ch : utf8) {
auto uch = static_cast<uchar>(ch);
wrapped.append("\\x", 2).append(1, dec2hex(uch >> 4)).append(1, dec2hex(uch & 0x0F));
}
ProcessAnnotations[i.first] = wrapped;
}
const Annotations c_ProcessAnnotations(ProcessAnnotations);
for (const auto &i : c_ProcessAnnotations) {
dump() << i.first.c_str() << ": " << i.second.c_str() << "\n";
}
psWriteDump();
dump() << "\n";
}
if (name) {
dump() << "Caught signal " << signum << " (" << name << ") in thread " << uint64(thread) << "\n";
} else if (signum == -1) {
dump() << "Google Breakpad caught a crash, minidump written in thread " << uint64(thread) << "\n";
if (BreakpadDumpPath) {
dump() << "Minidump: " << BreakpadDumpPath << "\n";
} else if (BreakpadDumpPathW) {
dump() << "Minidump: " << BreakpadDumpPathW << "\n";
}
} else {
dump() << "Caught signal " << signum << " in thread " << uint64(thread) << "\n";
}
// see https://github.com/benbjohnson/bandicoot
#if defined Q_OS_MAC || defined Q_OS_LINUX32 || defined Q_OS_LINUX64
ucontext_t *uc = (ucontext_t*)ucontext;
void *caller = 0;
if (uc) {
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
/* OSX < 10.6 */
#if defined(__x86_64__)
caller = (void*)uc->uc_mcontext->__ss.__rip;
#elif defined(__i386__)
caller = (void*)uc->uc_mcontext->__ss.__eip;
#else
caller = (void*)uc->uc_mcontext->__ss.__srr0;
#endif
#elif defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)
/* OSX >= 10.6 */
#if defined(_STRUCT_X86_THREAD_STATE64) && !defined(__i386__)
caller = (void*)uc->uc_mcontext->__ss.__rip;
#else
caller = (void*)uc->uc_mcontext->__ss.__eip;
#endif
#elif defined(__linux__)
/* Linux */
#if defined(__i386__)
caller = (void*)uc->uc_mcontext.gregs[14]; /* Linux 32 */
#elif defined(__X86_64__) || defined(__x86_64__)
caller = (void*)uc->uc_mcontext.gregs[16]; /* Linux 64 */
#elif defined(__ia64__) /* Linux IA64 */
caller = (void*)uc->uc_mcontext.sc_ip;
#endif
#endif
}
void *addresses[132] = { 0 };
size_t size = backtrace(addresses, 128);
/* overwrite sigaction with caller's address */
if (caller) {
for (int i = size; i > 1; --i) {
addresses[i + 3] = addresses[i];
}
addresses[2] = (void*)0x1;
addresses[3] = caller;
addresses[4] = (void*)0x1;
}
#ifdef Q_OS_MAC
dump() << "\nBase image addresses:\n";
for (size_t i = 0; i < size; ++i) {
Dl_info info;
dump() << i << " ";
if (dladdr(addresses[i], &info)) {
dump() << uint64(info.dli_fbase) << " (" << info.dli_fname << ")\n";
} else {
dump() << "_unknown_module_\n";
}
}
#endif // Q_OS_MAC
dump() << "\nBacktrace:\n";
backtrace_symbols_fd(addresses, size, ReportFileNo);
#else // Q_OS_MAC || Q_OS_LINUX32 || Q_OS_LINUX64
dump() << "\nBacktrace:\n";
psWriteStackTrace();
#endif // else for Q_OS_MAC || Q_OS_LINUX32 || Q_OS_LINUX64
dump() << "\n";
ReportingThreadId = nullptr;
}
bool SetSignalHandlers = true;
bool CrashLogged = false;
#if !defined Q_OS_MAC || defined MAC_USE_BREAKPAD
google_breakpad::ExceptionHandler* BreakpadExceptionHandler = 0;
#ifdef Q_OS_WIN
bool DumpCallback(const wchar_t* _dump_dir, const wchar_t* _minidump_id, void* context, EXCEPTION_POINTERS* exinfo, MDRawAssertionInfo* assertion, bool success)
#elif defined Q_OS_MAC // Q_OS_WIN
bool DumpCallback(const char* _dump_dir, const char* _minidump_id, void *context, bool success)
#elif defined Q_OS_LINUX64 || defined Q_OS_LINUX32 // Q_OS_MAC
bool DumpCallback(const google_breakpad::MinidumpDescriptor &md, void *context, bool success)
#endif // Q_OS_LINUX64 || Q_OS_LINUX32
{
if (CrashLogged) return success;
CrashLogged = true;
#ifdef Q_OS_WIN
BreakpadDumpPathW = _minidump_id;
Handler(-1);
#else // Q_OS_WIN
#ifdef Q_OS_MAC
BreakpadDumpPath = _minidump_id;
#else // Q_OS_MAC
BreakpadDumpPath = md.path();
#endif // else for Q_OS_MAC
Handler(-1, 0, 0);
#endif // else for Q_OS_WIN
return success;
}
#endif // !Q_OS_MAC || MAC_USE_BREAKPAD
#endif // !TDESKTOP_DISABLE_CRASH_REPORTS
} // namespace internal
void StartCrashHandler() {
#ifndef TDESKTOP_DISABLE_CRASH_REPORTS
using internal::ProcessAnnotations;
ProcessAnnotations["Binary"] = cExeName().toUtf8().constData();
ProcessAnnotations["ApiId"] = QString::number(ApiId).toUtf8().constData();
ProcessAnnotations["Version"] = (cBetaVersion() ? qsl("%1 beta").arg(cBetaVersion()) : (cAlphaVersion() ? qsl("%1 alpha") : qsl("%1")).arg(AppVersion)).toUtf8().constData();
ProcessAnnotations["Launched"] = QDateTime::currentDateTime().toString("dd.MM.yyyy hh:mm:ss").toUtf8().constData();
ProcessAnnotations["Platform"] = cPlatformString().toUtf8().constData();
ProcessAnnotations["UserTag"] = QString::number(Sandbox::UserTag(), 16).toUtf8().constData();
QString dumpspath = cWorkingDir() + qsl("tdata/dumps");
QDir().mkpath(dumpspath);
#ifdef Q_OS_WIN
internal::BreakpadExceptionHandler = new google_breakpad::ExceptionHandler(
dumpspath.toStdWString(),
google_breakpad::ExceptionHandler::FilterCallback(nullptr),
internal::DumpCallback,
(void*)nullptr, // callback_context
google_breakpad::ExceptionHandler::HANDLER_ALL,
MINIDUMP_TYPE(MiniDumpNormal),
// MINIDUMP_TYPE(MiniDumpWithFullMemory | MiniDumpWithHandleData | MiniDumpWithThreadInfo | MiniDumpWithProcessThreadData | MiniDumpWithFullMemoryInfo | MiniDumpWithUnloadedModules | MiniDumpWithFullAuxiliaryState | MiniDumpIgnoreInaccessibleMemory | MiniDumpWithTokenInformation),
(const wchar_t*)nullptr, // pipe_name
(const google_breakpad::CustomClientInfo*)nullptr
);
#elif defined Q_OS_MAC // Q_OS_WIN
#ifdef MAC_USE_BREAKPAD
#ifndef _DEBUG
internal::BreakpadExceptionHandler = new google_breakpad::ExceptionHandler(
QFile::encodeName(dumpspath).toStdString(),
/*FilterCallback*/ 0,
internal::DumpCallback,
/*context*/ 0,
true,
0
);
#endif // !_DEBUG
internal::SetSignalHandlers = false;
#else // MAC_USE_BREAKPAD
crashpad::CrashpadClient crashpad_client;
std::string handler = (cExeDir() + cExeName() + qsl("/Contents/Helpers/crashpad_handler")).toUtf8().constData();
std::string database = QFile::encodeName(dumpspath).constData();
if (crashpad_client.StartHandler(base::FilePath(handler),
base::FilePath(database),
std::string(),
ProcessAnnotations,
std::vector<std::string>(),
false)) {
crashpad_client.UseHandler();
}
#endif // else for MAC_USE_BREAKPAD