mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-21 01:42:12 +00:00
112 lines
4.6 KiB
C++
112 lines
4.6 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_service_object_adapter.hpp"
|
|
#include "impl/fs_file_system_proxy_service_object.hpp"
|
|
|
|
namespace ams::fs {
|
|
|
|
namespace {
|
|
|
|
class ContentStorageCommonMountNameGenerator : public fsa::ICommonMountNameGenerator, public impl::Newable {
|
|
private:
|
|
const ContentStorageId id;
|
|
public:
|
|
explicit ContentStorageCommonMountNameGenerator(ContentStorageId i) : id(i) { /* ... */ }
|
|
|
|
virtual Result GenerateCommonMountName(char *dst, size_t dst_size) override {
|
|
/* Determine how much space we need. */
|
|
const size_t needed_size = util::Strnlen(GetContentStorageMountName(id), MountNameLengthMax) + 2;
|
|
AMS_ABORT_UNLESS(dst_size >= needed_size);
|
|
|
|
/* Generate the name. */
|
|
const auto size = util::SNPrintf(dst, dst_size, "%s:", GetContentStorageMountName(id));
|
|
AMS_ASSERT(static_cast<size_t>(size) == needed_size - 1);
|
|
AMS_UNUSED(size);
|
|
|
|
R_SUCCEED();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
const char *GetContentStorageMountName(ContentStorageId id) {
|
|
switch (id) {
|
|
case ContentStorageId::System: return impl::ContentStorageSystemMountName;
|
|
case ContentStorageId::User: return impl::ContentStorageUserMountName;
|
|
case ContentStorageId::SdCard: return impl::ContentStorageSdCardMountName;
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
Result MountContentStorage(ContentStorageId id) {
|
|
R_RETURN(MountContentStorage(GetContentStorageMountName(id), id));
|
|
}
|
|
|
|
Result MountContentStorage(const char *name, ContentStorageId id) {
|
|
auto mount_impl = [=]() -> Result {
|
|
/* Validate the mount name. */
|
|
R_TRY(impl::CheckMountNameAllowingReserved(name));
|
|
|
|
/* It can take some time for the system partition to be ready (if it's on the SD card). */
|
|
/* Thus, we will retry up to 10 times, waiting one second each time. */
|
|
constexpr size_t MaxRetries = 10;
|
|
constexpr auto RetryInterval = TimeSpan::FromSeconds(1);
|
|
|
|
/* Mount the content storage */
|
|
auto fsp = impl::GetFileSystemProxyServiceObject();
|
|
|
|
sf::SharedPointer<fssrv::sf::IFileSystem> fs;
|
|
for (size_t i = 0; i < MaxRetries; i++) {
|
|
/* Try to open the filesystem. */
|
|
R_TRY_CATCH(fsp->OpenContentStorageFileSystem(std::addressof(fs), static_cast<u32>(id))) {
|
|
R_CATCH(fs::ResultSystemPartitionNotReady) {
|
|
if (i < MaxRetries - 1) {
|
|
os::SleepThread(RetryInterval);
|
|
continue;
|
|
} else {
|
|
R_THROW(fs::ResultSystemPartitionNotReady());
|
|
}
|
|
}
|
|
} R_END_TRY_CATCH;
|
|
|
|
/* The filesystem was opened successfully. */
|
|
break;
|
|
}
|
|
|
|
/* Allocate a new filesystem wrapper. */
|
|
auto fsa = std::make_unique<impl::FileSystemServiceObjectAdapter>(std::move(fs));
|
|
R_UNLESS(fsa != nullptr, fs::ResultAllocationMemoryFailedInContentStorageA());
|
|
|
|
/* Allocate a new mountname generator. */
|
|
auto generator = std::make_unique<ContentStorageCommonMountNameGenerator>(id);
|
|
R_UNLESS(generator != nullptr, fs::ResultAllocationMemoryFailedInContentStorageB());
|
|
|
|
/* Register. */
|
|
R_RETURN(fsa::Register(name, std::move(fsa), std::move(generator)));
|
|
};
|
|
|
|
/* 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_STORAGE(name, id)));
|
|
|
|
/* Enable access logging. */
|
|
AMS_FS_IMPL_ACCESS_LOG_SYSTEM_FS_ACCESSOR_ENABLE(name);
|
|
|
|
R_SUCCEED();
|
|
}
|
|
|
|
}
|