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[ulnfs] change dlnfs to ulnfs Log: [ulnfs] change dlnfs to ulnfs
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,7 @@ | ||
| # SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd. | ||
| # | ||
| # SPDX-License-Identifier: GPL-3.0-or-later | ||
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| echo "\ndfm_INFO: start main script to mount ulnfs at" $(date "+%Y-%m-%d %H:%M:%S.%3N") | ||
| [ -f /etc/deepin/dde-file-manager/dfm-ulnfs-automount ] && bash /etc/deepin/dde-file-manager/dfm-ulnfs-automount & | ||
| echo "dfm_INFO: end main script at" $(date "+%Y-%m-%d %H:%M:%S.%3N") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| #!/bin/bash | ||
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| # SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd. | ||
| # | ||
| # SPDX-License-Identifier: GPL-3.0-or-later | ||
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| start_time=$(date "+%Y-%m-%d %H:%M:%S.%3N") | ||
| echo -e "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> started mounting ulnfs at [${start_time}]" | ||
| echo "dfm_INFO: user: $USER, uid: `id -u`, home: $HOME" | ||
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| query_dconfig="dde-dconfig --get -a org.deepin.dde.file-manager -r org.deepin.dde.file-manager -k " | ||
| # obtain the config of ulnfs mount enable | ||
| ulnfs_enable=`$query_dconfig dfm.mount.lnfs` | ||
| echo "dfm_INFO: ulnfs mount status: $ulnfs_enable" | ||
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| if [ "$ulnfs_enable" == "true" ]; then | ||
| default_paths=("$HOME") | ||
| echo "dfm_INFO: default mount paths: $default_paths" | ||
| gdbus call -y \ | ||
| -d com.deepin.filemanager.daemon \ | ||
| -o /com/deepin/filemanager/daemon/MountControl \ | ||
| -m com.deepin.filemanager.daemon.MountControl.Mount \ | ||
| "${default_paths}" \ | ||
| "{'fsType': <'ulnfs'>}" \ | ||
| -t 1 | ||
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| step_time=$(date "+%Y-%m-%d %H:%M:%S.%3N") | ||
| echo -e "dfm_INFO: finished mount ${path} at [${step_time}]\n" | ||
| fi | ||
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| end_time=$(date "+%Y-%m-%d %H:%M:%S.%3N") | ||
| echo -e "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< finished mounting ulnfs at [${end_time}]\n" |
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142 changes: 142 additions & 0 deletions
142
src/plugins/daemon/daemonplugin-mountcontrol/mounthelpers/ulnfsmounthelper.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| // SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd. | ||
| // | ||
| // SPDX-License-Identifier: GPL-3.0-or-later | ||
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| #include "ulnfsmounthelper.h" | ||
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| #include <QDataStream> | ||
| #include <QDebug> | ||
| #include <QFile> | ||
| #include <QProcess> | ||
| #include <QStandardPaths> | ||
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| #include <libmount/libmount.h> | ||
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| DAEMONPMOUNTCONTROL_USE_NAMESPACE | ||
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| QVariantMap UlnfsMountHelper::mount(const QString &path, const QVariantMap &opts) | ||
| { | ||
| Q_UNUSED(opts) // not used yet and might be used in the future. | ||
| using namespace MountReturnField; | ||
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| static constexpr char kUlnfs[] { "ulnfs" }; | ||
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| // 1. check if ulnfs/dlnfs at `path` is already exist. | ||
| if (checkLnfsExist(path)) | ||
| return { { kResult, true }, | ||
| { kErrorCode, -kLnMountMounted }, | ||
| { kErrorMessage, QString("lnfs is already mounted at %1").arg(path) } }; | ||
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| // 2. check `ulnfs` is loaded. | ||
| if (!isModuleLoaded(kUlnfs) && !loadKernelModule(kUlnfs)) | ||
| return { { kResult, false }, | ||
| { kErrorCode, -kLnFsProcessNotExists }, | ||
| { kErrorMessage, QString("ulnfs is not loaded.") } }; | ||
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| // 3. mount ulnfs on `path` | ||
| auto aPath = path.toLocal8Bit().constData(); | ||
| int ret = ::mount(aPath, aPath, kUlnfs, 0, ""); | ||
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| fmInfo() << "ulnfs: mount result: " << ret << aPath; | ||
| if (ret == 0) { | ||
| return { { kMountPoint, aPath }, { kResult, true }, { kErrorCode, 0 } }; | ||
| } else { | ||
| int errNum = errno; | ||
| QString errMsg = strerror(errNum); | ||
| return { { kResult, false }, | ||
| { kErrorMessage, errMsg }, | ||
| { kErrorCode, parseErrorCodeByMsg(ret) } }; | ||
| } | ||
| } | ||
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| QVariantMap UlnfsMountHelper::unmount(const QString &path, const QVariantMap &opts) | ||
| { | ||
| Q_UNUSED(opts) | ||
| using namespace MountReturnField; | ||
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| // 1. check if ulnfs is already mounted at `path` | ||
| if (!checkLnfsExist(path)) { | ||
| fmDebug() << "dlnfs: is not mounted at" << path; | ||
| return { { kResult, true }, | ||
| { kErrorCode, -kMountNotExist }, | ||
| { kErrorMessage, QString("dlnfs is not mounted at %1").arg(path) } }; | ||
| } | ||
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| // 2. do unmount ulnfs | ||
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| int ret = ::umount(path.toStdString().c_str()); | ||
| int err = errno; | ||
| QString errMsg = strerror(errno); | ||
| if (ret != 0) | ||
| fmWarning() << "unmount failed: " << path << err << errMsg; | ||
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| return { { kResult, ret == 0 }, { kErrorCode, err }, { kErrorMessage, errMsg } }; | ||
| } | ||
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| bool UlnfsMountHelper::isModuleLoaded(const QString &moduleName) | ||
| { | ||
| QProcess process; | ||
| process.start("lsmod"); | ||
| process.waitForFinished(); | ||
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| QString output = process.readAllStandardOutput(); | ||
| QStringList lines = output.split('\n'); | ||
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| foreach (const QString &line, lines) { | ||
| if (line.startsWith(moduleName)) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
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| bool UlnfsMountHelper::loadKernelModule(const QString &moduleName) | ||
| { | ||
| QProcess modprobeProcess; | ||
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| modprobeProcess.start("modprobe", QStringList() << moduleName); | ||
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| if (!modprobeProcess.waitForFinished()) { | ||
| qCritical("Failed to load module: %s", qPrintable(modprobeProcess.errorString())); | ||
| return false; | ||
| } | ||
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| QByteArray output = modprobeProcess.readAllStandardOutput(); | ||
| qDebug() << moduleName << "Module loaded successfully."; | ||
| return true; | ||
| } | ||
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| bool UlnfsMountHelper::checkLnfsExist(const QString &path) | ||
| { | ||
| QFile mountsFile("/proc/mounts"); | ||
| if (!mountsFile.open(QIODevice::ReadOnly)) { | ||
| qWarning() << "Failed to open /proc/mounts."; | ||
| return false; | ||
| } | ||
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| QByteArray content = mountsFile.readAll(); | ||
| QString fileContent(content); | ||
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| QStringList lines = fileContent.split('\n'); | ||
| for (const QString &line : lines) { | ||
| QStringList parts = line.split(' '); | ||
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| if (parts.size() >= 3) { | ||
| QString mountPoint = parts[1]; | ||
| QString fsType = parts[2]; | ||
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| if (mountPoint == path && fsType == "ulnfs") { | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
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| return false; | ||
| } | ||
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| int UlnfsMountHelper::parseErrorCodeByMsg(int res) | ||
| { | ||
| if (res == 0) | ||
| return 0; | ||
| return -kUnhandledError; | ||
| } |
28 changes: 28 additions & 0 deletions
28
src/plugins/daemon/daemonplugin-mountcontrol/mounthelpers/ulnfsmounthelper.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd. | ||
| // | ||
| // SPDX-License-Identifier: GPL-3.0-or-later | ||
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| #ifndef UlnfsMountHelper_H | ||
| #define UlnfsMountHelper_H | ||
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| #include "abstractmounthelper.h" | ||
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| DAEMONPMOUNTCONTROL_BEGIN_NAMESPACE | ||
| class UlnfsMountHelper : public AbstractMountHelper | ||
| { | ||
| public: | ||
| explicit UlnfsMountHelper(QDBusContext *context) | ||
| : AbstractMountHelper(context) {} | ||
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| virtual QVariantMap mount(const QString &path, const QVariantMap &opts) override; | ||
| virtual QVariantMap unmount(const QString &path, const QVariantMap &opts) override; | ||
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| private: | ||
| bool loadKernelModule(const QString &moduleName); | ||
| bool checkLnfsExist(const QString &path); | ||
| bool isModuleLoaded(const QString &path); | ||
| int parseErrorCodeByMsg(int res); | ||
| }; | ||
| DAEMONPMOUNTCONTROL_END_NAMESPACE | ||
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| #endif // UlnfsMountHelper_H |