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-rw-r--r--src/core/file_sys/archive_sdmc.cpp268
-rw-r--r--src/core/file_sys/archive_sdmc.h25
-rw-r--r--src/core/file_sys/errors.h9
3 files changed, 301 insertions, 1 deletions
diff --git a/src/core/file_sys/archive_sdmc.cpp b/src/core/file_sys/archive_sdmc.cpp
index bcb03ed36..c747ba82c 100644
--- a/src/core/file_sys/archive_sdmc.cpp
+++ b/src/core/file_sys/archive_sdmc.cpp
@@ -8,6 +8,8 @@
#include "common/logging/log.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/disk_archive.h"
+#include "core/file_sys/errors.h"
+#include "core/file_sys/path_parser.h"
#include "core/settings.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -15,6 +17,270 @@
namespace FileSys {
+ResultVal<std::unique_ptr<FileBackend>> SDMCArchive::OpenFile(const Path& path,
+ const Mode& mode) const {
+ LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
+
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ if (mode.hex == 0) {
+ LOG_ERROR(Service_FS, "Empty open mode");
+ return ERROR_INVALID_OPEN_FLAGS;
+ }
+
+ if (mode.create_flag && !mode.write_flag) {
+ LOG_ERROR(Service_FS, "Create flag set but write flag not set");
+ return ERROR_INVALID_OPEN_FLAGS;
+ }
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::FileInPath:
+ LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::DirectoryFound:
+ LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+ case PathParser::NotFound:
+ if (!mode.create_flag) {
+ LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
+ full_path.c_str());
+ return ERROR_NOT_FOUND;
+ } else {
+ // Create the file
+ FileUtil::CreateEmptyFile(full_path);
+ }
+ break;
+ }
+
+ FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
+ if (!file.IsOpen()) {
+ LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ }
+
+ auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
+ return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
+}
+
+ResultCode SDMCArchive::DeleteFile(const Path& path) const {
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::FileInPath:
+ case PathParser::NotFound:
+ LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::DirectoryFound:
+ LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+ }
+
+ if (FileUtil::Delete(full_path)) {
+ return RESULT_SUCCESS;
+ }
+
+ LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+}
+
+ResultCode SDMCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
+ if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString())) {
+ return RESULT_SUCCESS;
+ }
+
+ // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
+ // exist or similar. Verify.
+ return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+ ErrorSummary::NothingHappened, ErrorLevel::Status);
+}
+
+template <typename T>
+static ResultCode DeleteDirectoryHelper(const Path& path, const std::string& mount_point,
+ T deleter) {
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ if (path_parser.IsRootDirectory())
+ return ERROR_NOT_FOUND;
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::NotFound:
+ LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::FileInPath:
+ case PathParser::FileFound:
+ LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+ }
+
+ if (deleter(full_path)) {
+ return RESULT_SUCCESS;
+ }
+
+ LOG_ERROR(Service_FS, "Directory not empty %s", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+}
+
+ResultCode SDMCArchive::DeleteDirectory(const Path& path) const {
+ return DeleteDirectoryHelper(path, mount_point, FileUtil::DeleteDir);
+}
+
+ResultCode SDMCArchive::DeleteDirectoryRecursively(const Path& path) const {
+ return DeleteDirectoryHelper(
+ path, mount_point, [](const std::string& p) { return FileUtil::DeleteDirRecursively(p); });
+}
+
+ResultCode SDMCArchive::CreateFile(const FileSys::Path& path, u64 size) const {
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::FileInPath:
+ LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::DirectoryFound:
+ LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+ case PathParser::FileFound:
+ LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
+ return ERROR_ALREADY_EXISTS;
+ }
+
+ if (size == 0) {
+ FileUtil::CreateEmptyFile(full_path);
+ return RESULT_SUCCESS;
+ }
+
+ FileUtil::IOFile file(full_path, "wb");
+ // Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
+ // We do this by seeking to the right size, then writing a single null byte.
+ if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
+ return RESULT_SUCCESS;
+ }
+
+ LOG_ERROR(Service_FS, "Too large file");
+ return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource,
+ ErrorLevel::Info);
+}
+
+ResultCode SDMCArchive::CreateDirectory(const Path& path) const {
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::FileInPath:
+ LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::DirectoryFound:
+ case PathParser::FileFound:
+ LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
+ return ERROR_ALREADY_EXISTS;
+ }
+
+ if (FileUtil::CreateDir(mount_point + path.AsString())) {
+ return RESULT_SUCCESS;
+ }
+
+ LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", mount_point.c_str());
+ return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
+ ErrorLevel::Status);
+}
+
+ResultCode SDMCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
+ if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()))
+ return RESULT_SUCCESS;
+
+ // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
+ // exist or similar. Verify.
+ return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+ ErrorSummary::NothingHappened, ErrorLevel::Status);
+}
+
+ResultVal<std::unique_ptr<DirectoryBackend>> SDMCArchive::OpenDirectory(const Path& path) const {
+ const PathParser path_parser(path);
+
+ if (!path_parser.IsValid()) {
+ LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
+ return ERROR_INVALID_PATH;
+ }
+
+ const auto full_path = path_parser.BuildHostPath(mount_point);
+
+ switch (path_parser.GetHostStatus(mount_point)) {
+ case PathParser::InvalidMountPoint:
+ LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::PathNotFound:
+ case PathParser::NotFound:
+ case PathParser::FileFound:
+ LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
+ return ERROR_NOT_FOUND;
+ case PathParser::FileInPath:
+ LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
+ return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
+ }
+
+ auto directory = std::make_unique<DiskDirectory>(full_path);
+ return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
+}
+
+u64 SDMCArchive::GetFreeBytes() const {
+ // TODO: Stubbed to return 1GiB
+ return 1024 * 1024 * 1024;
+}
+
ArchiveFactory_SDMC::ArchiveFactory_SDMC(const std::string& sdmc_directory)
: sdmc_directory(sdmc_directory) {
LOG_INFO(Service_FS, "Directory %s set as SDMC.", sdmc_directory.c_str());
@@ -35,7 +301,7 @@ bool ArchiveFactory_SDMC::Initialize() {
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMC::Open(const Path& path) {
- auto archive = std::make_unique<DiskArchive>(sdmc_directory);
+ auto archive = std::make_unique<SDMCArchive>(sdmc_directory);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
diff --git a/src/core/file_sys/archive_sdmc.h b/src/core/file_sys/archive_sdmc.h
index 88e855351..4fa47ff35 100644
--- a/src/core/file_sys/archive_sdmc.h
+++ b/src/core/file_sys/archive_sdmc.h
@@ -14,6 +14,31 @@
namespace FileSys {
+/// Archive backend for SDMC archive
+class SDMCArchive : public ArchiveBackend {
+public:
+ SDMCArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
+
+ std::string GetName() const override {
+ return "SDMCArchive: " + mount_point;
+ }
+
+ ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
+ const Mode& mode) const override;
+ ResultCode DeleteFile(const Path& path) const override;
+ ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
+ ResultCode DeleteDirectory(const Path& path) const override;
+ ResultCode DeleteDirectoryRecursively(const Path& path) const override;
+ ResultCode CreateFile(const Path& path, u64 size) const override;
+ ResultCode CreateDirectory(const Path& path) const override;
+ ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
+ ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
+ u64 GetFreeBytes() const override;
+
+protected:
+ std::string mount_point;
+};
+
/// File system interface to the SDMC archive
class ArchiveFactory_SDMC final : public ArchiveFactory {
public:
diff --git a/src/core/file_sys/errors.h b/src/core/file_sys/errors.h
index da7e82642..f9299364c 100644
--- a/src/core/file_sys/errors.h
+++ b/src/core/file_sys/errors.h
@@ -11,18 +11,27 @@ const ResultCode ERROR_INVALID_PATH(ErrorDescription::FS_InvalidPath, ErrorModul
const ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ErrorDescription::FS_UnsupportedOpenFlags,
ErrorModule::FS, ErrorSummary::NotSupported,
ErrorLevel::Usage);
+const ResultCode ERROR_INVALID_OPEN_FLAGS(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
+ ErrorSummary::Canceled, ErrorLevel::Status);
const ResultCode ERROR_FILE_NOT_FOUND(ErrorDescription::FS_FileNotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Status);
const ResultCode ERROR_PATH_NOT_FOUND(ErrorDescription::FS_PathNotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Status);
+const ResultCode ERROR_NOT_FOUND(ErrorDescription::FS_NotFound, ErrorModule::FS,
+ ErrorSummary::NotFound, ErrorLevel::Status);
const ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ErrorDescription::FS_UnexpectedFileOrDirectory,
ErrorModule::FS, ErrorSummary::NotSupported,
ErrorLevel::Usage);
+const ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC(ErrorDescription::FS_NotAFile,
+ ErrorModule::FS, ErrorSummary::Canceled,
+ ErrorLevel::Status);
const ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ErrorDescription::FS_DirectoryAlreadyExists,
ErrorModule::FS, ErrorSummary::NothingHappened,
ErrorLevel::Status);
const ResultCode ERROR_FILE_ALREADY_EXISTS(ErrorDescription::FS_FileAlreadyExists, ErrorModule::FS,
ErrorSummary::NothingHappened, ErrorLevel::Status);
+const ResultCode ERROR_ALREADY_EXISTS(ErrorDescription::FS_AlreadyExists, ErrorModule::FS,
+ ErrorSummary::NothingHappened, ErrorLevel::Status);
const ResultCode ERROR_DIRECTORY_NOT_EMPTY(ErrorDescription::FS_DirectoryNotEmpty, ErrorModule::FS,
ErrorSummary::Canceled, ErrorLevel::Status);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:42:26 +0100