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udisks2monitor.cpp
758 lines (671 loc) · 32.9 KB
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udisks2monitor.cpp
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/*
* Copyright (C) 2018 Jolla Ltd. <raine.makelainen@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* "Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Nemo Mobile nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
*/
#include "udisks2monitor_p.h"
#include "udisks2block_p.h"
#include "udisks2blockdevices_p.h"
#include "udisks2job_p.h"
#include "udisks2defines.h"
#include "nemo-dbus/dbus.h"
#include "partitionmanager_p.h"
#include "logging_p.h"
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusError>
#include <QDBusInterface>
#include <QDBusMetaType>
struct ErrorEntry {
Partition::Error errorCode;
const char *dbusErrorName;
};
// These are "copied" error from udiskserror.c so that we do not link against it.
static const ErrorEntry dbus_error_entries[] =
{
{ Partition::ErrorFailed, "org.freedesktop.UDisks2.Error.Failed" },
{ Partition::ErrorCancelled, "org.freedesktop.UDisks2.Error.Cancelled" },
{ Partition::ErrorAlreadyCancelled, "org.freedesktop.UDisks2.Error.AlreadyCancelled" },
{ Partition::ErrorNotAuthorized, "org.freedesktop.UDisks2.Error.NotAuthorized" },
{ Partition::ErrorNotAuthorizedCanObtain, "org.freedesktop.UDisks2.Error.NotAuthorizedCanObtain" },
{ Partition::ErrorNotAuthorizedDismissed, "org.freedesktop.UDisks2.Error.NotAuthorizedDismissed" },
{ Partition::ErrorAlreadyMounted, UDISKS2_ERROR_ALREADY_MOUNTED },
{ Partition::ErrorNotMounted, "org.freedesktop.UDisks2.Error.NotMounted" },
{ Partition::ErrorOptionNotPermitted, "org.freedesktop.UDisks2.Error.OptionNotPermitted" },
{ Partition::ErrorMountedByOtherUser, "org.freedesktop.UDisks2.Error.MountedByOtherUser" },
{ Partition::ErrorAlreadyUnmounting, UDISKS2_ERROR_ALREADY_UNMOUNTING },
{ Partition::ErrorNotSupported, "org.freedesktop.UDisks2.Error.NotSupported" },
{ Partition::ErrorTimedout, "org.freedesktop.UDisks2.Error.Timedout" },
{ Partition::ErrorWouldWakeup, "org.freedesktop.UDisks2.Error.WouldWakeup" },
{ Partition::ErrorDeviceBusy, "org.freedesktop.UDisks2.Error.DeviceBusy" }
};
UDisks2::Monitor *UDisks2::Monitor::sharedInstance = nullptr;
UDisks2::Monitor *UDisks2::Monitor::instance()
{
Q_ASSERT(!sharedInstance);
return sharedInstance;
}
UDisks2::Monitor::Monitor(PartitionManagerPrivate *manager, QObject *parent)
: QObject(parent)
, m_manager(manager)
, m_blockDevices(BlockDevices::instance())
{
Q_ASSERT(!sharedInstance);
sharedInstance = this;
qDBusRegisterMetaType<UDisks2::InterfacePropertyMap>();
QDBusConnection systemBus = QDBusConnection::systemBus();
connect(systemBus.interface(), &QDBusConnectionInterface::callWithCallbackFailed, this, [this](const QDBusError &error, const QDBusMessage &call) {
qCInfo(lcMemoryCardLog) << "====================================================";
qCInfo(lcMemoryCardLog) << "DBus call with callback failed:" << error.message();
qCInfo(lcMemoryCardLog) << "Name:" << error.name();
qCInfo(lcMemoryCardLog) << "Error name" << call.errorName();
qCInfo(lcMemoryCardLog) << "Error message:" << call.errorMessage();
qCInfo(lcMemoryCardLog) << "Call interface:" << call.interface();
qCInfo(lcMemoryCardLog) << "Call path:" << call.path();
qCInfo(lcMemoryCardLog) << "====================================================";
emit errorMessage(call.path(), error.name());
});
if (!systemBus.connect(
UDISKS2_SERVICE,
UDISKS2_PATH,
DBUS_OBJECT_MANAGER_INTERFACE,
interfacesAddedSignal,
this,
SLOT(interfacesAdded(QDBusObjectPath, UDisks2::InterfacePropertyMap)))) {
qCWarning(lcMemoryCardLog) << "Failed to connect to interfaces added signal:" << qPrintable(systemBus.lastError().message());
}
if (!systemBus.connect(
UDISKS2_SERVICE,
UDISKS2_PATH,
DBUS_OBJECT_MANAGER_INTERFACE,
interfacesRemovedSignal,
this,
SLOT(interfacesRemoved(QDBusObjectPath, QStringList)))) {
qCWarning(lcMemoryCardLog) << "Failed to connect to interfaces removed signal:" << qPrintable(systemBus.lastError().message());
}
getBlockDevices();
connect(m_blockDevices, &BlockDevices::newBlock, this, &Monitor::handleNewBlock);
}
UDisks2::Monitor::~Monitor()
{
sharedInstance = nullptr;
qDeleteAll(m_jobsToWait);
m_jobsToWait.clear();
delete m_blockDevices;
m_blockDevices = nullptr;
}
// TODO : Move lock, unlock, mount, unmount, format inside udisks2block.cpp
// unlock, mount, format should be considered completed only after file system interface re-appears for the block.
void UDisks2::Monitor::lock(const QString &devicePath)
{
QVariantList arguments;
QVariantMap options;
arguments << options;
if (Block *block = m_blockDevices->find(devicePath)) {
block->dumpInfo();
block->setLocking();
// Unmount if mounted.
if (!block->mountPath().isEmpty()) {
m_operationQueue.enqueue(Operation(UDISKS2_ENCRYPTED_LOCK, devicePath));
unmount(block->device());
} else {
startLuksOperation(devicePath, UDISKS2_ENCRYPTED_LOCK, m_blockDevices->objectPath(devicePath), arguments);
}
} else {
qCWarning(lcMemoryCardLog) << "Block device" << devicePath << "not found";
}
}
void UDisks2::Monitor::unlock(const QString &devicePath, const QString &passphrase)
{
QVariantList arguments;
arguments << passphrase;
QVariantMap options;
arguments << options;
startLuksOperation(devicePath, UDISKS2_ENCRYPTED_UNLOCK, m_blockDevices->objectPath(devicePath), arguments);
}
void UDisks2::Monitor::mount(const QString &devicePath)
{
QVariantList arguments;
QVariantMap options;
if (Block *block = m_blockDevices->find(devicePath)) {
QString objectPath;
if (block->device() == devicePath) {
objectPath = block->path();
} else if (block->cryptoBackingDevicePath() == devicePath) {
objectPath = block->cryptoBackingDeviceObjectPath();
}
// Find has the same condition.
Q_ASSERT(!objectPath.isEmpty());
options.insert(QStringLiteral("fstype"), block->idType());
arguments << options;
startMountOperation(devicePath, UDISKS2_FILESYSTEM_MOUNT, objectPath, arguments);
} else {
emit mountError(Partition::ErrorOptionNotPermitted);
emit status(devicePath, Partition::Unmounted);
}
}
void UDisks2::Monitor::unmount(const QString &devicePath)
{
QVariantList arguments;
QVariantMap options;
arguments << options;
startMountOperation(devicePath, UDISKS2_FILESYSTEM_UNMOUNT, m_blockDevices->objectPath(devicePath), arguments);
}
void UDisks2::Monitor::format(const QString &devicePath, const QString &filesystemType, const QVariantMap &arguments)
{
if (devicePath.isEmpty()) {
qCCritical(lcMemoryCardLog) << "Cannot format without device name";
return;
}
QStringList fsList = m_manager->supportedFileSystems();
if (!fsList.contains(filesystemType)) {
qCWarning(lcMemoryCardLog) << "Can only format" << fsList.join(", ") << "filesystems.";
return;
}
const QString objectPath = m_blockDevices->objectPath(devicePath);
PartitionManagerPrivate::Partitions affectedPartitions;
lookupPartitions(affectedPartitions, QStringList() << objectPath);
for (auto partition : affectedPartitions) {
// Mark block to formatting state.
if (Block *block = m_blockDevices->find(devicePath)) {
block->setFormatting(true);
}
// Lock unlocked block device before formatting.
if (!partition->cryptoBackingDevicePath.isEmpty()) {
lock(partition->cryptoBackingDevicePath);
m_operationQueue.enqueue(Operation(UDISKS2_BLOCK_FORMAT, partition->cryptoBackingDevicePath, objectPath, filesystemType, arguments));
return;
} else if (partition->status == Partition::Mounted) {
m_operationQueue.enqueue(Operation(UDISKS2_BLOCK_FORMAT, devicePath, objectPath, filesystemType, arguments));
unmount(devicePath);
return;
}
}
doFormat(devicePath, objectPath, filesystemType, arguments);
}
void UDisks2::Monitor::interfacesAdded(const QDBusObjectPath &objectPath, const UDisks2::InterfacePropertyMap &interfaces)
{
QString path = objectPath.path();
qCDebug(lcMemoryCardLog) << "UDisks interface added:" << path << BlockDevices::isExternal(path);
qCInfo(lcMemoryCardLog) << "UDisks dump interface:" << interfaces;
// External device must have file system or partition so that it can added to the model.
// Devices without partition table have filesystem interface.
if (path.startsWith(QStringLiteral("/org/freedesktop/UDisks2/block_devices/")) && BlockDevices::isExternal(path)) {
m_blockDevices->createBlockDevice(path, interfaces);
} else if (path.startsWith(QStringLiteral("/org/freedesktop/UDisks2/jobs"))) {
QVariantMap dict = interfaces.value(UDISKS2_JOB_INTERFACE);
QString operation = dict.value(UDISKS2_JOB_KEY_OPERATION, QString()).toString();
if (operation == UDISKS2_JOB_OP_ENC_LOCK ||
operation == UDISKS2_JOB_OP_ENC_UNLOCK ||
operation == UDISKS2_JOB_OP_FS_MOUNT ||
operation == UDISKS2_JOB_OP_FS_UNMOUNT ||
operation == UDISKS2_JOB_OP_CLEANUP ||
operation == UDISKS2_JOB_OF_FS_FORMAT) {
UDisks2::Job *job = new UDisks2::Job(path, dict);
updatePartitionStatus(job, true);
if (job->operation() == Job::Lock) {
for (const QString &dbusObjectPath : job->objects()) {
m_blockDevices->lock(dbusObjectPath);
}
}
connect(job, &UDisks2::Job::completed, this, [this](bool success) {
UDisks2::Job *job = qobject_cast<UDisks2::Job *>(sender());
job->dumpInfo();
if (job->operation() != Job::Lock) {
updatePartitionStatus(job, success);
}
});
if (job->operation() == Job::Format) {
for (const QString &objectPath : job->objects()) {
if (UDisks2::Block *block = m_blockDevices->device(objectPath)) {
block->blockSignals(true);
block->setFormatting(true);
block->blockSignals(false);
}
}
}
m_jobsToWait.insert(path, job);
job->dumpInfo();
}
}
}
void UDisks2::Monitor::interfacesRemoved(const QDBusObjectPath &objectPath, const QStringList &interfaces)
{
QString path = objectPath.path();
qCDebug(lcMemoryCardLog) << "UDisks interface removed:" << path;
qCInfo(lcMemoryCardLog) << "UDisks dump interface:" << interfaces;
if (m_jobsToWait.contains(path)) {
UDisks2::Job *job = m_jobsToWait.take(path);
job->deleteLater();
} else if (m_blockDevices->contains(path) && interfaces.contains(UDISKS2_BLOCK_INTERFACE)) {
// Cleanup partitions first.
if (BlockDevices::isExternal(path)) {
PartitionManagerPrivate::Partitions removedPartitions;
QStringList blockDevPaths = { path };
lookupPartitions(removedPartitions, blockDevPaths);
m_manager->remove(removedPartitions);
}
m_blockDevices->remove(path);
} else {
m_blockDevices->removeInterfaces(path, interfaces);
}
}
void UDisks2::Monitor::setPartitionProperties(QExplicitlySharedDataPointer<PartitionPrivate> &partition, const UDisks2::Block *blockDevice)
{
QString label = blockDevice->idLabel();
if (label.isEmpty()) {
label = blockDevice->idUUID();
}
qCDebug(lcMemoryCardLog) << "Set partition properties";
blockDevice->dumpInfo();
partition->devicePath = blockDevice->device();
QString deviceName = partition->devicePath.section(QChar('/'), 2);
partition->deviceName = deviceName;
partition->deviceRoot = deviceRoot.match(deviceName).hasMatch();
partition->mountPath = blockDevice->mountPath();
partition->deviceLabel = label;
partition->filesystemType = blockDevice->idType();
partition->isSupportedFileSystemType = m_manager->supportedFileSystems().contains(partition->filesystemType);
partition->readOnly = blockDevice->isReadOnly();
partition->canMount = blockDevice->isMountable() && m_manager->supportedFileSystems().contains(partition->filesystemType);
if (blockDevice->isFormatting()) {
partition->status = Partition::Formatting;
} else if (blockDevice->isEncrypted()) {
partition->status = Partition::Locked;
} else if (blockDevice->mountPath().isEmpty()) {
partition->status = Partition::Unmounted;
} else {
partition->status = Partition::Mounted;
}
partition->isCryptoDevice = blockDevice->isCryptoBlock();
partition->isEncrypted = blockDevice->isEncrypted();
partition->cryptoBackingDevicePath = blockDevice->cryptoBackingDevicePath();
QVariantMap drive;
QString connectionBus = blockDevice->connectionBus();
if (connectionBus == QLatin1String("sdio")) {
drive.insert(QLatin1String("connectionBus"), Partition::SDIO);
} else if (connectionBus == QLatin1String("usb")) {
drive.insert(QLatin1String("connectionBus"), Partition::USB);
} else if (connectionBus == QLatin1String("ieee1394")) {
drive.insert(QLatin1String("connectionBus"), Partition::IEEE1394);
} else {
drive.insert(QLatin1String("connectionBus"), Partition::UnknownBus);
}
drive.insert(QLatin1String("model"), blockDevice->driveModel());
drive.insert(QLatin1String("vendor"), blockDevice->driveVendor());
partition->drive = drive;
}
void UDisks2::Monitor::updatePartitionProperties(const UDisks2::Block *blockDevice)
{
bool hasCryptoBackingDevice = blockDevice->hasCryptoBackingDevice();
const QString cryptoBackingDevicePath = blockDevice->cryptoBackingDevicePath();
for (auto partition : m_manager->m_partitions) {
if ((partition->devicePath == blockDevice->device()) || (hasCryptoBackingDevice && (partition->devicePath == cryptoBackingDevicePath))) {
setPartitionProperties(partition, blockDevice);
partition->valid = true;
m_manager->refresh(partition.data());
}
}
}
void UDisks2::Monitor::updatePartitionStatus(const UDisks2::Job *job, bool success)
{
UDisks2::Job::Operation operation = job->operation();
PartitionManagerPrivate::Partitions affectedPartitions;
lookupPartitions(affectedPartitions, job->objects());
if (operation == UDisks2::Job::Lock || operation == UDisks2::Job::Unlock) {
for (auto partition : affectedPartitions) {
Partition::Status oldStatus = partition->status;
if (success) {
if (job->status() == UDisks2::Job::Added) {
partition->activeState = QStringLiteral("inactive");
partition->status = operation == UDisks2::Job::Unlock ? Partition::Unlocking : Partition::Locking;
} else {
partition->activeState = QStringLiteral("inactive");
partition->status = operation == UDisks2::Job::Unlock ? Partition::Unmounted : Partition::Locked;
}
} else {
partition->activeState = QStringLiteral("failed");
partition->status = operation == UDisks2::Job::Unlock ? Partition::Locked : Partition::Unmounted;
}
partition->valid = true;
if (oldStatus != partition->status) {
m_manager->refresh(partition.data());
}
}
} else if (operation == UDisks2::Job::Mount || operation == UDisks2::Job::Unmount) {
for (auto partition : affectedPartitions) {
Partition::Status oldStatus = partition->status;
if (success) {
if (job->status() == UDisks2::Job::Added) {
partition->activeState = operation == UDisks2::Job::Mount ? QStringLiteral("activating") : QStringLiteral("deactivating");
partition->status = operation == UDisks2::Job::Mount ? Partition::Mounting : Partition::Unmounting;
} else {
// Completed busy unmount job shall stay in mounted state.
if (job->deviceBusy() && operation == UDisks2::Job::Unmount)
operation = UDisks2::Job::Mount;
partition->activeState = operation == UDisks2::Job::Mount ? QStringLiteral("active") : QStringLiteral("inactive");
partition->status = operation == UDisks2::Job::Mount ? Partition::Mounted : Partition::Unmounted;
}
} else {
partition->activeState = QStringLiteral("failed");
partition->status = operation == UDisks2::Job::Mount ? Partition::Mounted : Partition::Unmounted;
}
partition->valid = true;
partition->mountFailed = job->deviceBusy() ? false : !success;
if (oldStatus != partition->status) {
m_manager->refresh(partition.data());
}
}
} else if (operation == UDisks2::Job::Format) {
for (auto partition : affectedPartitions) {
Partition::Status oldStatus = partition->status;
if (success) {
if (job->status() == UDisks2::Job::Added) {
partition->activeState = QStringLiteral("inactive");
partition->status = Partition::Formatting;
partition->bytesAvailable = 0;
partition->bytesTotal = 0;
partition->bytesFree = 0;
partition->filesystemType.clear();
partition->canMount = false;
partition->valid = false;
}
} else {
partition->activeState = QStringLiteral("failed");
partition->status = Partition::Unmounted;
partition->valid = false;
}
if (oldStatus != partition->status) {
m_manager->refresh(partition.data());
}
}
}
}
void UDisks2::Monitor::startLuksOperation(const QString &devicePath, const QString &dbusMethod, const QString &dbusObjectPath, const QVariantList &arguments)
{
Q_ASSERT(dbusMethod == UDISKS2_ENCRYPTED_LOCK || dbusMethod == UDISKS2_ENCRYPTED_UNLOCK);
if (devicePath.isEmpty()) {
qCCritical(lcMemoryCardLog) << "Cannot" << dbusMethod.toLower() << "without device name";
return;
}
QDBusInterface udisks2Interface(UDISKS2_SERVICE,
dbusObjectPath,
UDISKS2_ENCRYPTED_INTERFACE,
QDBusConnection::systemBus());
QDBusPendingCall pendingCall = udisks2Interface.asyncCallWithArgumentList(dbusMethod, arguments);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall, this);
connect(watcher, &QDBusPendingCallWatcher::finished,
this, [this, devicePath, dbusMethod](QDBusPendingCallWatcher *watcher) {
if (watcher->isValid() && watcher->isFinished()) {
if (dbusMethod == UDISKS2_ENCRYPTED_LOCK) {
emit status(devicePath, Partition::Locked);
} else {
emit status(devicePath, Partition::Unmounted);
}
} else if (watcher->isError()) {
QDBusError error = watcher->error();
QByteArray errorData = error.name().toLocal8Bit();
const char *errorCStr = errorData.constData();
qCWarning(lcMemoryCardLog) << dbusMethod << "error:" << errorCStr << error.message();
for (uint i = 0; i < sizeof(dbus_error_entries) / sizeof(ErrorEntry); i++) {
if (strcmp(dbus_error_entries[i].dbusErrorName, errorCStr) == 0) {
if (dbusMethod == UDISKS2_ENCRYPTED_LOCK) {
emit lockError(dbus_error_entries[i].errorCode);
break;
} else {
emit unlockError(dbus_error_entries[i].errorCode);
break;
}
}
}
if (dbusMethod == UDISKS2_ENCRYPTED_LOCK) {
// All other errors will revert back the previous state.
emit status(devicePath, Partition::Unmounted); // TODO: could it have been in Mounted state?
} else if (dbusMethod == UDISKS2_ENCRYPTED_UNLOCK) {
// All other errors will revert back the previous state.
emit status(devicePath, Partition::Locked);
}
}
watcher->deleteLater();
});
if (dbusMethod == UDISKS2_ENCRYPTED_LOCK) {
emit status(devicePath, Partition::Locking);
} else {
emit status(devicePath, Partition::Unlocking);
}
}
void UDisks2::Monitor::startMountOperation(const QString &devicePath, const QString &dbusMethod, const QString &dbusObjectPath, const QVariantList &arguments)
{
Q_ASSERT(dbusMethod == UDISKS2_FILESYSTEM_MOUNT || dbusMethod == UDISKS2_FILESYSTEM_UNMOUNT);
if (devicePath.isEmpty()) {
qCCritical(lcMemoryCardLog) << "Cannot" << dbusMethod.toLower() << "without device name";
return;
}
QDBusInterface udisks2Interface(UDISKS2_SERVICE,
dbusObjectPath,
UDISKS2_FILESYSTEM_INTERFACE,
QDBusConnection::systemBus());
QDBusPendingCall pendingCall = udisks2Interface.asyncCallWithArgumentList(dbusMethod, arguments);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall, this);
connect(watcher, &QDBusPendingCallWatcher::finished,
this, [this, devicePath, dbusMethod](QDBusPendingCallWatcher *watcher) {
if (watcher->isValid() && watcher->isFinished()) {
Block *block = m_blockDevices->find(devicePath);
if (block && block->isFormatting()) {
// Do nothing
} else if (dbusMethod == UDISKS2_FILESYSTEM_MOUNT) {
emit status(devicePath, Partition::Mounted);
} else {
emit status(devicePath, Partition::Unmounted);
}
} else if (watcher->isError()) {
QDBusError error = watcher->error();
QByteArray errorData = error.name().toLocal8Bit();
const char *errorCStr = errorData.constData();
qCWarning(lcMemoryCardLog) << dbusMethod << "error:" << errorCStr;
for (uint i = 0; i < sizeof(dbus_error_entries) / sizeof(ErrorEntry); i++) {
if (strcmp(dbus_error_entries[i].dbusErrorName, errorCStr) == 0) {
if (dbusMethod == UDISKS2_FILESYSTEM_MOUNT) {
emit mountError(dbus_error_entries[i].errorCode);
break;
} else {
emit unmountError(dbus_error_entries[i].errorCode);
break;
}
}
}
if (strcmp(UDISKS2_ERROR_ALREADY_UNMOUNTING, errorCStr) == 0) {
// Do nothing
} else if (strcmp(UDISKS2_ERROR_ALREADY_MOUNTED, errorCStr) == 0) {
emit status(devicePath, Partition::Mounted);
} else if (dbusMethod == UDISKS2_FILESYSTEM_UNMOUNT) {
// All other errors will revert back the previous state.
emit status(devicePath, Partition::Mounted);
} else if (dbusMethod == UDISKS2_FILESYSTEM_MOUNT) {
// All other errors will revert back the previous state.
emit status(devicePath, Partition::Unmounted);
}
}
watcher->deleteLater();
});
Block *block = m_blockDevices->find(devicePath);
if (block && block->isFormatting()) {
emit status(devicePath, Partition::Formatting);
} else if (dbusMethod == UDISKS2_FILESYSTEM_MOUNT) {
emit status(devicePath, Partition::Mounting);
} else {
emit status(devicePath, Partition::Unmounting);
}
}
void UDisks2::Monitor::lookupPartitions(PartitionManagerPrivate::Partitions &affectedPartitions, const QStringList &objects)
{
QStringList blockDevs = m_blockDevices->devicePaths(objects);
for (const QString &dev : blockDevs) {
for (auto partition : m_manager->m_partitions) {
if (partition->devicePath == dev) {
affectedPartitions << partition;
}
}
}
}
void UDisks2::Monitor::createPartition(const UDisks2::Block *block)
{
QExplicitlySharedDataPointer<PartitionPrivate> partition(new PartitionPrivate(m_manager.data()));
partition->storageType = Partition::External;
partition->devicePath = block->device();
partition->bytesTotal = block->size();
setPartitionProperties(partition, block);
partition->valid = true;
m_manager->add(partition);
}
void UDisks2::Monitor::doFormat(const QString &devicePath, const QString &dbusObjectPath, const QString &filesystemType, const QVariantMap &arguments)
{
QDBusInterface blockDeviceInterface(UDISKS2_SERVICE,
dbusObjectPath,
UDISKS2_BLOCK_INTERFACE,
QDBusConnection::systemBus());
QDBusPendingCall pendingCall = blockDeviceInterface.asyncCall(UDISKS2_BLOCK_FORMAT, filesystemType, arguments);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall, this);
connect(watcher, &QDBusPendingCallWatcher::finished,
this, [this, devicePath, dbusObjectPath, arguments](QDBusPendingCallWatcher *watcher) {
if (watcher->isValid() && watcher->isFinished()) {
emit status(devicePath, Partition::Formatted);
} else if (watcher->isError()) {
Block *block = m_blockDevices->find(devicePath);
if (block) {
block->setFormatting(false);
}
QDBusError error = watcher->error();
QByteArray errorData = error.name().toLocal8Bit();
const char *errorCStr = errorData.constData();
qCWarning(lcMemoryCardLog) << "Format error:" << errorCStr << dbusObjectPath;
for (uint i = 0; i < sizeof(dbus_error_entries) / sizeof(ErrorEntry); i++) {
if (strcmp(dbus_error_entries[i].dbusErrorName, errorCStr) == 0) {
emit formatError(dbus_error_entries[i].errorCode);
break;
}
}
}
watcher->deleteLater();
});
}
void UDisks2::Monitor::getBlockDevices()
{
QDBusInterface managerInterface(UDISKS2_SERVICE,
UDISKS2_MANAGER_PATH,
UDISKS2_MANAGER_INTERFACE,
QDBusConnection::systemBus());
QDBusPendingCall pendingCall = managerInterface.asyncCallWithArgumentList(
QStringLiteral("GetBlockDevices"),
QVariantList() << QVariantMap());
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall, this);
connect(watcher, &QDBusPendingCallWatcher::finished, this, [this](QDBusPendingCallWatcher *watcher) {
if (watcher->isValid() && watcher->isFinished()) {
QDBusPendingReply<QList<QDBusObjectPath> > reply = *watcher;
const QList<QDBusObjectPath> blockDevicePaths = reply.argumentAt<0>();
m_blockDevices->createBlockDevices(blockDevicePaths);
} else if (watcher->isError()) {
QDBusError error = watcher->error();
qCWarning(lcMemoryCardLog) << "Unable to enumerate block devices:" << error.name() << error.message();
}
});
}
void UDisks2::Monitor::connectSignals(UDisks2::Block *block)
{
connect(block, &UDisks2::Block::formatted, this, [this]() {
UDisks2::Block *block = qobject_cast<UDisks2::Block *>(sender());
if (m_blockDevices->contains(block->path())) {
for (auto partition : m_manager->m_partitions) {
if (partition->devicePath == block->device()) {
partition->status = Partition::Formatted;
partition->activeState = QStringLiteral("inactive");
partition->valid = true;
m_manager->refresh(partition.data());
}
}
}
}, Qt::UniqueConnection);
// When block info updated
connect(block, &UDisks2::Block::updated, this, [this]() {
UDisks2::Block *block = qobject_cast<UDisks2::Block *>(sender());
if (m_blockDevices->contains(block->path())) {
updatePartitionProperties(block);
}
}, Qt::UniqueConnection);
connect(block, &UDisks2::Block::mountPathChanged, this, [this]() {
UDisks2::Block *block = qobject_cast<UDisks2::Block *>(sender());
// Both updatePartitionStatus and updatePartitionProperties
// emits partition refresh => latter one is enough.
m_manager->blockSignals(true);
QVariantMap data;
data.insert(UDISKS2_JOB_KEY_OPERATION, block->mountPath().isEmpty() ? UDISKS2_JOB_OP_FS_UNMOUNT : UDISKS2_JOB_OP_FS_MOUNT);
data.insert(UDISKS2_JOB_KEY_OBJECTS, QStringList() << block->path());
qCDebug(lcMemoryCardLog) << "New partition status:" << data;
UDisks2::Job tmpJob(QString(), data);
tmpJob.complete(true);
updatePartitionStatus(&tmpJob, true);
m_manager->blockSignals(false);
updatePartitionProperties(block);
if (!m_operationQueue.isEmpty()) {
Operation op = m_operationQueue.head();
if (op.command == UDISKS2_BLOCK_FORMAT && block->mountPath().isEmpty()) {
m_operationQueue.dequeue();
doFormat(op.devicePath, op.dbusObjectPath, op.filesystemType, op.arguments);
} else if (op.command == UDISKS2_ENCRYPTED_LOCK && block->mountPath().isEmpty()) {
m_operationQueue.dequeue();
lock(op.devicePath);
}
}
}, Qt::UniqueConnection);
}
void UDisks2::Monitor::handleNewBlock(UDisks2::Block *block)
{
const QString cryptoBackingDeviceObjectPath = block->cryptoBackingDeviceObjectPath();
if (block->hasCryptoBackingDevice() && m_blockDevices->contains(cryptoBackingDeviceObjectPath)) {
// Update crypto backing device to file system device.
UDisks2::Block *fsBlock = m_blockDevices->replace(cryptoBackingDeviceObjectPath, block);
updatePartitionProperties(fsBlock);
} else if (!m_blockDevices->contains(block->path())) {
m_blockDevices->insert(block->path(), block);
createPartition(block);
if (block->isFormatting()) {
if (!m_operationQueue.isEmpty()) {
Operation op = m_operationQueue.head();
if (op.command == UDISKS2_BLOCK_FORMAT) {
m_operationQueue.dequeue();
QMetaObject::invokeMethod(this, "doFormat", Qt::QueuedConnection,
Q_ARG(QString, op.devicePath), Q_ARG(QString, op.dbusObjectPath),
Q_ARG(QString, op.filesystemType), Q_ARG(QVariantMap, op.arguments));
}
} else {
qCDebug(lcMemoryCardLog) << "Formatting cannot be executed. Is block mounted:" << !block->mountPath().isEmpty();
}
}
}
connectSignals(block);
}