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Atmosphere/libraries/libstratosphere/source/fs/fs_content.cpp

106 lines
4.3 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fsa/fs_mount_utils.hpp"
#include "impl/fs_file_system_proxy_service_object.hpp"
#include "impl/fs_file_system_service_object_adapter.hpp"
namespace ams::fs {
namespace {
impl::FileSystemProxyType ConvertToFileSystemProxyType(ContentType content_type) {
switch (content_type) {
case ContentType_Control: return impl::FileSystemProxyType_Control;
case ContentType_Manual: return impl::FileSystemProxyType_Manual;
case ContentType_Meta: return impl::FileSystemProxyType_Meta;
case ContentType_Data: return impl::FileSystemProxyType_Data;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
Result MountContentImpl(const char *name, const char *path, fs::ContentAttributes attr, u64 id, ContentType type) {
/* Validate the mount name. */
R_TRY(impl::CheckMountNameAllowingReserved(name));
/* Validate the path. */
R_UNLESS(path != nullptr, fs::ResultInvalidPath());
/* Convert the path for fsp. */
fssrv::sf::FspPath sf_path;
R_TRY(fs::ConvertToFspPath(std::addressof(sf_path), path));
/* Open the filesystem. */
auto fsp = impl::GetFileSystemProxyServiceObject();
sf::SharedPointer<fssrv::sf::IFileSystem> fs;
R_TRY(fsp->OpenFileSystemWithId(std::addressof(fs), sf_path, attr, id, ConvertToFileSystemProxyType(type)));
/* Allocate a new filesystem wrapper. */
auto fsa = std::make_unique<impl::FileSystemServiceObjectAdapter>(std::move(fs));
R_UNLESS(fsa != nullptr, fs::ResultAllocationMemoryFailedInContentA());
/* Register. */
R_RETURN(fsa::Register(name, std::move(fsa)));
}
}
Result MountContent(const char *name, const char *path, fs::ContentAttributes attr, ContentType content_type) {
auto mount_impl = [=]() -> Result {
/* This API only supports mounting Meta content. */
R_UNLESS(content_type == ContentType_Meta, fs::ResultInvalidArgument());
R_RETURN(MountContentImpl(name, path, attr, ncm::InvalidProgramId.value, content_type));
};
/* Perform the mount. */
AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_SYSTEM_MOUNT(mount_impl(), name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT_CONTENT_PATH(name, path, content_type)));
/* Enable access logging. */
AMS_FS_IMPL_ACCESS_LOG_SYSTEM_FS_ACCESSOR_ENABLE(name);
R_SUCCEED();
}
Result MountContent(const char *name, const char *path, fs::ContentAttributes attr, ncm::ProgramId id, ContentType content_type) {
auto mount_impl = [=]() -> Result {
R_RETURN(MountContentImpl(name, path, attr, id.value, content_type));
};
/* Perform the mount. */
AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_SYSTEM_MOUNT(mount_impl(), name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT_CONTENT_PATH_AND_PROGRAM_ID(name, path, id, content_type)));
/* Enable access logging. */
AMS_FS_IMPL_ACCESS_LOG_SYSTEM_FS_ACCESSOR_ENABLE(name);
R_SUCCEED();
}
Result MountContent(const char *name, const char *path, fs::ContentAttributes attr, ncm::DataId id, ContentType content_type) {
auto mount_impl = [=]() -> Result {
R_RETURN(MountContentImpl(name, path, attr, id.value, content_type));
};
/* Perform the mount. */
AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_SYSTEM_MOUNT(mount_impl(), name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT_CONTENT_PATH_AND_DATA_ID(name, path, id, content_type)));
/* Enable access logging. */
AMS_FS_IMPL_ACCESS_LOG_SYSTEM_FS_ACCESSOR_ENABLE(name);
R_SUCCEED();
}
}