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crash: add crash reporter

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This commit is contained in:
outfoxxed 2024-08-20 00:41:20 -07:00
parent 5040f3796c
commit fe1d15e8f6
Signed by untrusted user: outfoxxed
GPG key ID: 4C88A185FB89301E
23 changed files with 1118 additions and 315 deletions
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12
src/core/CMakeLists.txt
View file

@ -41,9 +41,19 @@ qt_add_library(quickshell-core STATIC
clock.cpp
logging.cpp
paths.cpp
crashinfo.cpp
common.cpp
)
set_source_files_properties(main.cpp PROPERTIES COMPILE_DEFINITIONS GIT_REVISION="${GIT_REVISION}")
if (CRASH_REPORTER)
set(CRASH_REPORTER_DEF 1)
endif()
add_library(quickshell-build INTERFACE)
configure_file(build.hpp.in build.hpp)
target_include_directories(quickshell-build INTERFACE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(quickshell-core PRIVATE quickshell-build)
qt_add_qml_module(quickshell-core URI Quickshell VERSION 0.1)
target_link_libraries(quickshell-core PRIVATE ${QT_DEPS} Qt6::QuickPrivate CLI11::CLI11)

6
src/core/build.hpp.in Normal file
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@ -0,0 +1,6 @@
#pragma once
// NOLINTBEGIN
#define GIT_REVISION "@GIT_REVISION@"
#define CRASH_REPORTER @CRASH_REPORTER_DEF@
// NOLINTEND

9
src/core/common.cpp Normal file
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@ -0,0 +1,9 @@
#include "common.hpp"
#include <qdatetime.h>
namespace qs {
const QDateTime Common::LAUNCH_TIME = QDateTime::currentDateTime();
}

11
src/core/common.hpp Normal file
View file

@ -0,0 +1,11 @@
#pragma once
#include <qdatetime.h>
namespace qs {
struct Common {
static const QDateTime LAUNCH_TIME;
};
} // namespace qs

19
src/core/crashinfo.cpp Normal file
View file

@ -0,0 +1,19 @@
#include "crashinfo.hpp"
#include <qdatastream.h>
QDataStream& operator<<(QDataStream& stream, const InstanceInfo& info) {
stream << info.configPath << info.shellId << info.launchTime << info.noColor;
return stream;
}
QDataStream& operator>>(QDataStream& stream, InstanceInfo& info) {
stream >> info.configPath >> info.shellId >> info.launchTime >> info.noColor;
return stream;
}
namespace qs::crash {
CrashInfo CrashInfo::INSTANCE = {}; // NOLINT
}

26
src/core/crashinfo.hpp Normal file
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@ -0,0 +1,26 @@
#pragma once
#include <qdatetime.h>
#include <qstring.h>
struct InstanceInfo {
QString configPath;
QString shellId;
QString initialWorkdir;
QDateTime launchTime;
bool noColor = false;
bool sparseLogsOnly = false;
};
QDataStream& operator<<(QDataStream& stream, const InstanceInfo& info);
QDataStream& operator>>(QDataStream& stream, InstanceInfo& info);
namespace qs::crash {
struct CrashInfo {
int logFd = -1;
static CrashInfo INSTANCE; // NOLINT
};
} // namespace qs::crash

13
src/core/logging.cpp
View file

@ -24,6 +24,7 @@
#include <sys/mman.h>
#include <sys/sendfile.h>
#include "crashinfo.hpp"
#include "logging_p.hpp"
#include "logging_qtprivate.cpp" // NOLINT
#include "paths.hpp"
@ -198,14 +199,16 @@ void ThreadLogging::init() {
if (logMfd != -1) {
this->file = new QFile();
this->file->open(logMfd, QFile::WriteOnly, QFile::AutoCloseHandle);
this->file->open(logMfd, QFile::ReadWrite, QFile::AutoCloseHandle);
this->fileStream.setDevice(this->file);
}
if (dlogMfd != -1) {
crash::CrashInfo::INSTANCE.logFd = dlogMfd;
this->detailedFile = new QFile();
// buffered by WriteBuffer
this->detailedFile->open(dlogMfd, QFile::WriteOnly | QFile::Unbuffered, QFile::AutoCloseHandle);
this->detailedFile->open(dlogMfd, QFile::ReadWrite | QFile::Unbuffered, QFile::AutoCloseHandle);
this->detailedWriter.setDevice(this->detailedFile);
if (!this->detailedWriter.writeHeader()) {
@ -245,7 +248,7 @@ void ThreadLogging::initFs() {
auto* file = new QFile(path);
auto* detailedFile = new QFile(detailedPath);
if (!file->open(QFile::WriteOnly | QFile::Truncate)) {
if (!file->open(QFile::ReadWrite | QFile::Truncate)) {
qCCritical(logLogging
) << "Could not start filesystem logger as the log file could not be created:"
<< path;
@ -256,7 +259,7 @@ void ThreadLogging::initFs() {
}
// buffered by WriteBuffer
if (!detailedFile->open(QFile::WriteOnly | QFile::Truncate | QFile::Unbuffered)) {
if (!detailedFile->open(QFile::ReadWrite | QFile::Truncate | QFile::Unbuffered)) {
qCCritical(logLogging
) << "Could not start detailed filesystem logger as the log file could not be created:"
<< detailedPath;
@ -287,6 +290,8 @@ void ThreadLogging::initFs() {
sendfile(detailedFile->handle(), oldFile->handle(), nullptr, oldFile->size());
}
crash::CrashInfo::INSTANCE.logFd = detailedFile->handle();
this->detailedFile = detailedFile;
this->detailedWriter.setDevice(detailedFile);

730
src/core/main.cpp
View file

@ -1,13 +1,17 @@
#include "main.hpp"
#include <cstdlib>
#include <iostream>
#include <string>
#include <CLI/App.hpp>
#include <CLI/CLI.hpp> // NOLINT: Need to include this for impls of some CLI11 classes
#include <CLI/Error.hpp>
#include <CLI/Validators.hpp>
#include <qapplication.h>
#include <qcoreapplication.h>
#include <qcryptographichash.h>
#include <qdatastream.h>
#include <qdatetime.h>
#include <qdir.h>
#include <qfileinfo.h>
#include <qguiapplication.h>
@ -24,162 +28,164 @@
#include <qtextstream.h>
#include <qtpreprocessorsupport.h>
#include "build.hpp"
#include "common.hpp"
#include "crashinfo.hpp"
#include "logging.hpp"
#include "paths.hpp"
#include "plugin.hpp"
#include "rootwrapper.hpp"
#if CRASH_REPORTER
#include "../crash/handler.hpp"
#include "../crash/main.hpp"
#endif
int qs_main(int argc, char** argv) {
struct CommandInfo {
QString configPath;
QString manifestPath;
QString configName;
QString& initialWorkdir;
int& debugPort;
bool& waitForDebug;
bool& printInfo;
bool& noColor;
bool& sparseLogsOnly;
};
auto qArgC = 1;
auto* qArgV = argv;
void processCommand(int argc, char** argv, CommandInfo& info) {
auto app = CLI::App("");
auto noColor = !qEnvironmentVariableIsEmpty("NO_COLOR");
class QStringOption {
public:
QStringOption() = default;
QStringOption& operator=(const std::string& str) {
this->str = QString::fromStdString(str);
return *this;
}
QString workingDirectory;
QString configFilePath;
QString shellId;
auto printInfo = false;
QString& operator*() { return this->str; }
auto debugPort = -1;
auto waitForDebug = false;
private:
QString str;
};
auto useQApplication = false;
auto nativeTextRendering = false;
auto desktopSettingsAware = true;
QHash<QString, QString> envOverrides;
class QStringRefOption {
public:
QStringRefOption(QString* str): str(str) {}
QStringRefOption& operator=(const std::string& str) {
*this->str = QString::fromStdString(str);
return *this;
}
{
auto app = CLI::App("");
private:
QString* str;
};
class QStringOption {
public:
QStringOption() = default;
QStringOption& operator=(const std::string& str) {
this->str = QString::fromStdString(str);
return *this;
}
/// ---
QStringRefOption path(&info.configPath);
QStringRefOption manifest(&info.manifestPath);
QStringRefOption config(&info.configName);
QStringRefOption workdirRef(&info.initialWorkdir);
QString& operator*() { return this->str; }
auto* selection = app.add_option_group(
"Config Selection",
"Select a configuration to run (defaults to $XDG_CONFIG_HOME/quickshell/shell.qml)"
);
private:
QString str;
};
auto* pathArg =
selection->add_option("-p,--path", path, "Path to a QML file to run. (Env:QS_CONFIG_PATH)");
class QStringRefOption {
public:
QStringRefOption(QString* str): str(str) {}
QStringRefOption& operator=(const std::string& str) {
*this->str = QString::fromStdString(str);
return *this;
}
auto* mfArg = selection->add_option(
"-m,--manifest",
manifest,
"Path to a manifest containing configurations. (Env:QS_MANIFEST)\n"
"(Defaults to $XDG_CONFIG_HOME/quickshell/manifest.conf)"
);
private:
QString* str;
};
auto* cfgArg = selection->add_option(
"-c,--config",
config,
"Name of a configuration within a manifest. (Env:QS_CONFIG_NAME)"
);
/// ---
QStringOption path;
QStringOption manifest;
QStringOption config;
QStringRefOption workdirRef(&workingDirectory);
selection->add_option("-d,--workdir", workdirRef, "Initial working directory.");
auto* selection = app.add_option_group(
"Config Selection",
"Select a configuration to run (defaults to $XDG_CONFIG_HOME/quickshell/shell.qml)"
);
pathArg->excludes(mfArg, cfgArg);
auto* pathArg =
selection->add_option("-p,--path", path, "Path to a QML file to run. (Env:QS_CONFIG_PATH)");
/// ---
auto* debug = app.add_option_group("Debugging");
auto* mfArg = selection->add_option(
"-m,--manifest",
manifest,
"Path to a manifest containing configurations. (Env:QS_MANIFEST)\n"
"(Defaults to $XDG_CONFIG_HOME/quickshell/manifest.conf)"
);
auto* debugPortArg = debug
->add_option(
"--debugport",
info.debugPort,
"Open the given port for a QML debugger to connect to."
)
->check(CLI::Range(0, 65535));
auto* cfgArg = selection->add_option(
"-c,--config",
config,
"Name of a configuration within a manifest. (Env:QS_CONFIG_NAME)"
);
debug
->add_flag(
"--waitfordebug",
info.waitForDebug,
"Wait for a debugger to attach to the given port before launching."
)
->needs(debugPortArg);
selection->add_option("-d,--workdir", workdirRef, "Initial working directory.");
/// ---
app.add_flag("--info", info.printInfo, "Print information about the shell")
->excludes(debugPortArg);
app.add_flag("--no-color", info.noColor, "Do not color the log output. (Env:NO_COLOR)");
auto* printVersion = app.add_flag("-V,--version", "Print quickshell's version, then exit.");
pathArg->excludes(mfArg, cfgArg);
app.add_flag(
"--no-detailed-logs",
info.sparseLogsOnly,
"Do not enable this unless you know what you are doing."
);
/// ---
auto* debug = app.add_option_group("Debugging");
/// ---
QStringOption logPath;
QStringOption logFilter;
auto logNoTime = false;
auto* debugPortArg = debug
->add_option(
"--debugport",
debugPort,
"Open the given port for a QML debugger to connect to."
)
->check(CLI::Range(0, 65535));
auto* readLog = app.add_subcommand("read-log", "Read a quickshell log file.");
readLog->add_option("path", logPath, "Path to the log file to read")->required();
debug
->add_flag(
"--waitfordebug",
waitForDebug,
"Wait for a debugger to attach to the given port before launching."
)
->needs(debugPortArg);
readLog->add_option(
"-f,--filter",
logFilter,
"Logging categories to display. (same syntax as QT_LOGGING_RULES)"
);
/// ---
auto sparseLogsOnly = false;
app.add_flag("--info", printInfo, "Print information about the shell")->excludes(debugPortArg);
app.add_flag("--no-color", noColor, "Do not color the log output. (Env:NO_COLOR)");
auto* printVersion = app.add_flag("-V,--version", "Print quickshell's version, then exit.");
readLog->add_flag("--no-time", logNoTime, "Do not print timestamps of log messages.");
readLog->add_flag("--no-color", info.noColor, "Do not color the log output. (Env:NO_COLOR)");
app.add_flag(
"--no-detailed-logs",
sparseLogsOnly,
"Do not enable this unless you know what you are doing."
);
try {
app.parse(argc, argv);
} catch (const CLI::ParseError& e) {
exit(app.exit(e)); // NOLINT
};
/// ---
QStringOption logPath;
QStringOption logFilter;
auto logNoTime = false;
auto* readLog = app.add_subcommand("read-log", "Read a quickshell log file.");
readLog->add_option("path", logPath, "Path to the log file to read")->required();
readLog->add_option(
"-f,--filter",
logFilter,
"Logging categories to display. (same syntax as QT_LOGGING_RULES)"
);
readLog->add_flag("--no-time", logNoTime, "Do not print timestamps of log messages.");
readLog->add_flag("--no-color", noColor, "Do not color the log output. (Env:NO_COLOR)");
CLI11_PARSE(app, argc, argv);
const auto qApplication = QCoreApplication(qArgC, qArgV);
// Start log manager - has to happen with an active event loop or offthread can't be started.
LogManager::init(!noColor, sparseLogsOnly);
if (*printVersion) {
std::cout << "quickshell pre-release, revision: " << GIT_REVISION << std::endl;
return 0;
} if (*readLog) {
auto file = QFile(*logPath);
if (!file.open(QFile::ReadOnly)) {
qCritical() << "Failed to open log for reading:" << *logPath;
return -1;
} else {
qInfo() << "Reading log" << *logPath;
}
return qs::log::readEncodedLogs(&file, !logNoTime, *logFilter) ? 0 : -1;
if (*printVersion) {
std::cout << "quickshell pre-release, revision: " << GIT_REVISION << std::endl;
exit(0); // NOLINT
} else if (*readLog) {
auto file = QFile(*logPath);
if (!file.open(QFile::ReadOnly)) {
qCritical() << "Failed to open log for reading:" << *logPath;
exit(-1); // NOLINT
} else {
qInfo() << "Reading log" << *logPath;
}
// NOLINTBEGIN
exit( // NOLINT
qs::log::readEncodedLogs(&file, !logNoTime, *logFilter) ? 0 : -1
);
}
}
QString commandConfigPath(QString path, QString manifest, QString config, bool printInfo) {
// NOLINTBEGIN
#define CHECK(rname, name, level, label, expr) \
QString name = expr; \
if (rname.isEmpty() && !name.isEmpty()) { \
@ -189,231 +195,341 @@ int qs_main(int argc, char** argv) {
}
#define OPTSTR(name) (name.isEmpty() ? "(unset)" : name.toStdString())
// NOLINTEND
// NOLINTEND
QString basePath;
int basePathLevel = 0;
Q_UNUSED(basePathLevel);
{
// NOLINTBEGIN
// clang-format off
CHECK(basePath, envBasePath, 0, foundbase, qEnvironmentVariable("QS_BASE_PATH"));
CHECK(basePath, defaultBasePath, 0, foundbase, QDir(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation)).filePath("quickshell"));
// clang-format on
// NOLINTEND
QString basePath;
int basePathLevel = 0;
Q_UNUSED(basePathLevel);
{
// NOLINTBEGIN
// clang-format off
CHECK(basePath, envBasePath, 0, foundbase, qEnvironmentVariable("QS_BASE_PATH"));
CHECK(basePath, defaultBasePath, 0, foundbase, QDir(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation)).filePath("quickshell"));
// clang-format on
// NOLINTEND
if (printInfo) {
// clang-format off
std::cout << "Base path: " << OPTSTR(basePath) << "\n";
std::cout << " - Environment (QS_BASE_PATH): " << OPTSTR(envBasePath) << "\n";
std::cout << " - Default: " << OPTSTR(defaultBasePath) << "\n";
// clang-format on
}
}
foundbase:;
if (printInfo) {
// clang-format off
std::cout << "Base path: " << OPTSTR(basePath) << "\n";
std::cout << " - Environment (QS_BASE_PATH): " << OPTSTR(envBasePath) << "\n";
std::cout << " - Default: " << OPTSTR(defaultBasePath) << "\n";
// clang-format on
}
}
foundbase:;
QString configPath;
int configPathLevel = 10;
{
// NOLINTBEGIN
CHECK(configPath, optionConfigPath, 0, foundpath, *path);
CHECK(configPath, envConfigPath, 1, foundpath, qEnvironmentVariable("QS_CONFIG_PATH"));
// NOLINTEND
QString configPath;
int configPathLevel = 10;
{
// NOLINTBEGIN
CHECK(configPath, optionConfigPath, 0, foundpath, path);
CHECK(configPath, envConfigPath, 1, foundpath, qEnvironmentVariable("QS_CONFIG_PATH"));
// NOLINTEND
if (printInfo) {
// clang-format off
std::cout << "\nConfig path: " << OPTSTR(configPath) << "\n";
std::cout << " - Option: " << OPTSTR(optionConfigPath) << "\n";
std::cout << " - Environment (QS_CONFIG_PATH): " << OPTSTR(envConfigPath) << "\n";
// clang-format on
}
}
foundpath:;
if (printInfo) {
// clang-format off
std::cout << "\nConfig path: " << OPTSTR(configPath) << "\n";
std::cout << " - Option: " << OPTSTR(optionConfigPath) << "\n";
std::cout << " - Environment (QS_CONFIG_PATH): " << OPTSTR(envConfigPath) << "\n";
// clang-format on
}
}
foundpath:;
QString manifestPath;
int manifestPathLevel = 10;
{
// NOLINTBEGIN
// clang-format off
CHECK(manifestPath, optionManifestPath, 0, foundmf, *manifest);
CHECK(manifestPath, envManifestPath, 1, foundmf, qEnvironmentVariable("QS_MANIFEST"));
CHECK(manifestPath, defaultManifestPath, 2, foundmf, QDir(basePath).filePath("manifest.conf"));
// clang-format on
// NOLINTEND
QString manifestPath;
int manifestPathLevel = 10;
{
// NOLINTBEGIN
// clang-format off
CHECK(manifestPath, optionManifestPath, 0, foundmf, manifest);
CHECK(manifestPath, envManifestPath, 1, foundmf, qEnvironmentVariable("QS_MANIFEST"));
CHECK(manifestPath, defaultManifestPath, 2, foundmf, QDir(basePath).filePath("manifest.conf"));
// clang-format on
// NOLINTEND
if (printInfo) {
// clang-format off
std::cout << "\nManifest path: " << OPTSTR(manifestPath) << "\n";
std::cout << " - Option: " << OPTSTR(optionManifestPath) << "\n";
std::cout << " - Environment (QS_MANIFEST): " << OPTSTR(envManifestPath) << "\n";
std::cout << " - Default: " << OPTSTR(defaultManifestPath) << "\n";
// clang-format on
}
}
foundmf:;
if (printInfo) {
// clang-format off
std::cout << "\nManifest path: " << OPTSTR(manifestPath) << "\n";
std::cout << " - Option: " << OPTSTR(optionManifestPath) << "\n";
std::cout << " - Environment (QS_MANIFEST): " << OPTSTR(envManifestPath) << "\n";
std::cout << " - Default: " << OPTSTR(defaultManifestPath) << "\n";
// clang-format on
}
}
foundmf:;
QString configName;
int configNameLevel = 10;
{
// NOLINTBEGIN
CHECK(configName, optionConfigName, 0, foundname, *config);
CHECK(configName, envConfigName, 1, foundname, qEnvironmentVariable("QS_CONFIG_NAME"));
// NOLINTEND
QString configName;
int configNameLevel = 10;
{
// NOLINTBEGIN
CHECK(configName, optionConfigName, 0, foundname, config);
CHECK(configName, envConfigName, 1, foundname, qEnvironmentVariable("QS_CONFIG_NAME"));
// NOLINTEND
if (printInfo) {
// clang-format off
std::cout << "\nConfig name: " << OPTSTR(configName) << "\n";
std::cout << " - Option: " << OPTSTR(optionConfigName) << "\n";
std::cout << " - Environment (QS_CONFIG_NAME): " << OPTSTR(envConfigName) << "\n\n";
// clang-format on
}
}
foundname:;
if (printInfo) {
// clang-format off
std::cout << "\nConfig name: " << OPTSTR(configName) << "\n";
std::cout << " - Option: " << OPTSTR(optionConfigName) << "\n";
std::cout << " - Environment (QS_CONFIG_NAME): " << OPTSTR(envConfigName) << "\n\n";
// clang-format on
}
}
foundname:;
if (!configPath.isEmpty() && configPathLevel <= configNameLevel) {
configFilePath = configPath;
} else if (!configName.isEmpty()) {
if (!manifestPath.isEmpty()) {
auto file = QFile(manifestPath);
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
auto stream = QTextStream(&file);
while (!stream.atEnd()) {
auto line = stream.readLine();
if (line.trimmed().startsWith("#")) continue;
if (line.trimmed().isEmpty()) continue;
QString configFilePath;
auto split = line.split('=');
if (split.length() != 2) {
qCritical() << "manifest line not in expected format 'name = relativepath':"
<< line;
return -1;
}
if (!configPath.isEmpty() && configPathLevel <= configNameLevel) {
configFilePath = configPath;
} else if (!configName.isEmpty()) {
if (!manifestPath.isEmpty()) {
auto file = QFile(manifestPath);
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
auto stream = QTextStream(&file);
while (!stream.atEnd()) {
auto line = stream.readLine();
if (line.trimmed().startsWith("#")) continue;
if (line.trimmed().isEmpty()) continue;
if (split[0].trimmed() == configName) {
configFilePath = QDir(QFileInfo(file).canonicalPath()).filePath(split[1].trimmed());
goto haspath; // NOLINT
}
}
auto split = line.split('=');
if (split.length() != 2) {
qCritical() << "manifest line not in expected format 'name = relativepath':" << line;
exit(-1); // NOLINT
}
qCritical() << "configuration" << configName << "not found in manifest" << manifestPath;
return -1;
} else if (manifestPathLevel < 2) {
qCritical() << "cannot open config manifest at" << manifestPath;
return -1;
if (split[0].trimmed() == configName) {
configFilePath = QDir(QFileInfo(file).canonicalPath()).filePath(split[1].trimmed());
goto foundp;
}
}
{
auto basePathInfo = QFileInfo(basePath);
if (!basePathInfo.exists()) {
qCritical() << "base path does not exist:" << basePath;
return -1;
} else if (!QFileInfo(basePathInfo.canonicalFilePath()).isDir()) {
qCritical() << "base path is not a directory" << basePath;
return -1;
}
qCritical() << "configuration" << configName << "not found in manifest" << manifestPath;
exit(-1); // NOLINT
} else if (manifestPathLevel < 2) {
qCritical() << "cannot open config manifest at" << manifestPath;
exit(-1); // NOLINT
}
}
auto dir = QDir(basePath);
for (auto& entry: dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot)) {
if (entry == configName) {
configFilePath = dir.filePath(entry);
goto haspath; // NOLINT
}
}
{
auto basePathInfo = QFileInfo(basePath);
if (!basePathInfo.exists()) {
qCritical() << "base path does not exist:" << basePath;
exit(-1); // NOLINT
} else if (!QFileInfo(basePathInfo.canonicalFilePath()).isDir()) {
qCritical() << "base path is not a directory" << basePath;
exit(-1); // NOLINT
}
qCritical() << "no directory named " << configName << "found in base path" << basePath;
return -1;
auto dir = QDir(basePath);
for (auto& entry: dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot)) {
if (entry == configName) {
configFilePath = dir.filePath(entry);
goto foundp;
}
haspath:;
} else {
configFilePath = basePath;
}
auto configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "config path does not exist:" << configFilePath;
return -1;
}
qCritical() << "no directory named " << configName << "found in base path" << basePath;
exit(-1); // NOLINT
}
} else {
configFilePath = basePath;
}
if (configFile.isDir()) {
configFilePath = QDir(configFilePath).filePath("shell.qml");
}
foundp:;
auto configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "config path does not exist:" << configFilePath;
exit(-1); // NOLINT
}
configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "no shell.qml found in config path:" << configFilePath;
return -1;
} else if (configFile.isDir()) {
qCritical() << "shell.qml is a directory:" << configFilePath;
return -1;
}
if (configFile.isDir()) {
configFilePath = QDir(configFilePath).filePath("shell.qml");
}
configFilePath = QFileInfo(configFilePath).canonicalFilePath();
configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "config file does not exist:" << configFilePath;
return -1;
} else if (configFile.isDir()) {
qCritical() << "config file is a directory:" << configFilePath;
return -1;
}
configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "no shell.qml found in config path:" << configFilePath;
exit(-1); // NOLINT
} else if (configFile.isDir()) {
qCritical() << "shell.qml is a directory:" << configFilePath;
exit(-1); // NOLINT
}
configFilePath = QFileInfo(configFilePath).canonicalFilePath();
configFile = QFileInfo(configFilePath);
if (!configFile.exists()) {
qCritical() << "config file does not exist:" << configFilePath;
exit(-1); // NOLINT
} else if (configFile.isDir()) {
qCritical() << "config file is a directory:" << configFilePath;
exit(-1); // NOLINT
}
#undef CHECK
#undef OPTSTR
shellId = QCryptographicHash::hash(configFilePath.toUtf8(), QCryptographicHash::Md5).toHex();
return configFilePath;
}
qInfo() << "Config file path:" << configFilePath;
int qs_main(int argc, char** argv) {
#if CRASH_REPORTER
qsCheckCrash(argc, argv);
auto crashHandler = qs::crash::CrashHandler();
#endif
if (!QFile(configFilePath).exists()) {
qCritical() << "config file does not exist";
return -1;
auto qArgC = 1;
auto* qArgV = argv;
QString configFilePath;
QString initialWorkdir;
QString shellId;
int debugPort = -1;
bool waitForDebug = false;
bool printInfo = false;
bool noColor = !qEnvironmentVariableIsEmpty("NO_COLOR");
bool sparseLogsOnly = false;
auto useQApplication = false;
auto nativeTextRendering = false;
auto desktopSettingsAware = true;
QHash<QString, QString> envOverrides;
{
const auto qApplication = QCoreApplication(qArgC, qArgV);
#if CRASH_REPORTER
auto lastInfoFdStr = qEnvironmentVariable("__QUICKSHELL_CRASH_INFO_FD");
if (!lastInfoFdStr.isEmpty()) {
auto lastInfoFd = lastInfoFdStr.toInt();
QFile file;
file.open(lastInfoFd, QFile::ReadOnly, QFile::AutoCloseHandle);
file.seek(0);
auto ds = QDataStream(&file);
InstanceInfo info;
ds >> info;
configFilePath = info.configPath;
initialWorkdir = info.initialWorkdir;
noColor = info.noColor;
sparseLogsOnly = info.sparseLogsOnly;
LogManager::init(!noColor, sparseLogsOnly);
qCritical().nospace() << "Quickshell has crashed under pid "
<< qEnvironmentVariable("__QUICKSHELL_CRASH_DUMP_PID").toInt()
<< " (Coredumps will be available under that pid.)";
qCritical() << "Further crash information is stored under"
<< QsPaths::crashDir(info.shellId, info.launchTime).path();
if (info.launchTime.msecsTo(QDateTime::currentDateTime()) < 10000) {
qCritical() << "Quickshell crashed within 10 seconds of launching. Not restarting to avoid "
"a crash loop.";
return 0;
} else {
qCritical() << "Quickshell has been restarted.";
}
auto file = QFile(configFilePath);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
qCritical() << "could not open config file";
return -1;
}
crashHandler.init();
} else
#endif
{
auto stream = QTextStream(&file);
while (!stream.atEnd()) {
auto line = stream.readLine().trimmed();
if (line.startsWith("//@ pragma ")) {
auto pragma = line.sliced(11).trimmed();
auto command = CommandInfo {
.initialWorkdir = initialWorkdir,
.debugPort = debugPort,
.waitForDebug = waitForDebug,
.printInfo = printInfo,
.noColor = noColor,
.sparseLogsOnly = sparseLogsOnly,
};
if (pragma == "UseQApplication") useQApplication = true;
else if (pragma == "NativeTextRendering") nativeTextRendering = true;
else if (pragma == "IgnoreSystemSettings") desktopSettingsAware = false;
else if (pragma.startsWith("Env ")) {
auto envPragma = pragma.sliced(4);
auto splitIdx = envPragma.indexOf('=');
processCommand(argc, argv, command);
if (splitIdx == -1) {
qCritical() << "Env pragma" << pragma << "not in the form 'VAR = VALUE'";
return -1;
}
// Start log manager - has to happen with an active event loop or offthread can't be started.
LogManager::init(!noColor, sparseLogsOnly);
auto var = envPragma.sliced(0, splitIdx).trimmed();
auto val = envPragma.sliced(splitIdx + 1).trimmed();
envOverrides.insert(var, val);
} else if (pragma.startsWith("ShellId ")) {
shellId = pragma.sliced(8).trimmed();
} else {
qCritical() << "Unrecognized pragma" << pragma;
#if CRASH_REPORTER
// Started after log manager for pretty debug logs. Unlikely anything will crash before this point, but
// this can be moved if it happens.
crashHandler.init();
#endif
configFilePath = commandConfigPath(
command.configPath,
command.manifestPath,
command.configName,
command.printInfo
);
}
shellId = QCryptographicHash::hash(configFilePath.toUtf8(), QCryptographicHash::Md5).toHex();
qInfo() << "Config file path:" << configFilePath;
if (!QFile(configFilePath).exists()) {
qCritical() << "config file does not exist";
return -1;
}
auto file = QFile(configFilePath);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
qCritical() << "could not open config file";
return -1;
}
auto stream = QTextStream(&file);
while (!stream.atEnd()) {
auto line = stream.readLine().trimmed();
if (line.startsWith("//@ pragma ")) {
auto pragma = line.sliced(11).trimmed();
if (pragma == "UseQApplication") useQApplication = true;
else if (pragma == "NativeTextRendering") nativeTextRendering = true;
else if (pragma == "IgnoreSystemSettings") desktopSettingsAware = false;
else if (pragma.startsWith("Env ")) {
auto envPragma = pragma.sliced(4);
auto splitIdx = envPragma.indexOf('=');
if (splitIdx == -1) {
qCritical() << "Env pragma" << pragma << "not in the form 'VAR = VALUE'";
return -1;
}
} else if (line.startsWith("import")) break;
}
file.close();
auto var = envPragma.sliced(0, splitIdx).trimmed();
auto val = envPragma.sliced(splitIdx + 1).trimmed();
envOverrides.insert(var, val);
} else if (pragma.startsWith("ShellId ")) {
shellId = pragma.sliced(8).trimmed();
} else {
qCritical() << "Unrecognized pragma" << pragma;
return -1;
}
} else if (line.startsWith("import")) break;
}
file.close();
}
qInfo() << "Shell ID:" << shellId;
if (printInfo) return 0;
#if CRASH_REPORTER
crashHandler.setInstanceInfo(InstanceInfo {
.configPath = configFilePath,
.shellId = shellId,
.initialWorkdir = initialWorkdir,
.launchTime = qs::Common::LAUNCH_TIME,
.noColor = noColor,
.sparseLogsOnly = sparseLogsOnly,
});
#endif
for (auto [var, val]: envOverrides.asKeyValueRange()) {
qputenv(var.toUtf8(), val.toUtf8());
}
@ -484,8 +600,8 @@ int qs_main(int argc, char** argv) {
QQmlDebuggingEnabler::startTcpDebugServer(debugPort, wait);
}
if (!workingDirectory.isEmpty()) {
QDir::setCurrent(workingDirectory);
if (!initialWorkdir.isEmpty()) {
QDir::setCurrent(initialWorkdir);
}
QuickshellPlugin::initPlugins();

13
src/core/paths.cpp
View file

@ -9,6 +9,8 @@
#include <qtenvironmentvariables.h>
#include <unistd.h>
#include "common.hpp"
Q_LOGGING_CATEGORY(logPaths, "quickshell.paths", QtWarningMsg);
QsPaths* QsPaths::instance() {
@ -18,6 +20,15 @@ QsPaths* QsPaths::instance() {
void QsPaths::init(QString shellId) { QsPaths::instance()->shellId = std::move(shellId); }
QDir QsPaths::crashDir(const QString& shellId, const QDateTime& launchTime) {
auto dir = QDir(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
dir = QDir(dir.filePath("crashes"));
dir = QDir(dir.filePath(shellId));
dir = QDir(dir.filePath(QString("run-%1").arg(launchTime.toMSecsSinceEpoch())));
return dir;
}
QDir* QsPaths::cacheDir() {
if (this->cacheState == DirState::Unknown) {
auto dir = QDir(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
@ -73,7 +84,7 @@ QDir* QsPaths::instanceRunDir() {
this->instanceRunState = DirState::Failed;
} else {
this->mInstanceRunDir =
runtimeDir->filePath(QString("run-%1").arg(QDateTime::currentMSecsSinceEpoch()));
runtimeDir->filePath(QString("run-%1").arg(qs::Common::LAUNCH_TIME.toMSecsSinceEpoch()));
qCDebug(logPaths) << "Initialized instance runtime path:" << this->mInstanceRunDir.path();

2
src/core/paths.hpp
View file

@ -1,10 +1,12 @@
#pragma once
#include <qdatetime.h>
#include <qdir.h>
class QsPaths {
public:
static QsPaths* instance();
static void init(QString shellId);
static QDir crashDir(const QString& shellId, const QDateTime& launchTime);
QDir* cacheDir();
QDir* runDir();