mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 15:16:34 +00:00
118 lines
4.7 KiB
C++
118 lines
4.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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_event_notifier_object_adapter.hpp"
|
|
|
|
namespace ams::fs {
|
|
|
|
namespace {
|
|
|
|
constexpr inline const char AtmosphereErrorReportDirectory[] = "/atmosphere/erpt_reports";
|
|
|
|
/* NOTE: Nintendo does not attach a generator to a mounted SD card filesystem. */
|
|
/* However, it is desirable for homebrew to be able to access SD via common path. */
|
|
class SdCardCommonMountNameGenerator : public fsa::ICommonMountNameGenerator, public impl::Newable {
|
|
public:
|
|
explicit SdCardCommonMountNameGenerator() { /* ... */ }
|
|
|
|
virtual Result GenerateCommonMountName(char *dst, size_t dst_size) override {
|
|
/* Determine how much space we need. */
|
|
const size_t needed_size = strnlen(impl::SdCardFileSystemMountName, MountNameLengthMax) + 2;
|
|
AMS_ABORT_UNLESS(dst_size >= needed_size);
|
|
|
|
/* Generate the name. */
|
|
const auto size = util::SNPrintf(dst, dst_size, "%s:", impl::SdCardFileSystemMountName);
|
|
AMS_ASSERT(static_cast<size_t>(size) == needed_size - 1);
|
|
AMS_UNUSED(size);
|
|
|
|
return ResultSuccess();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
Result MountSdCard(const char *name) {
|
|
/* Validate the mount name. */
|
|
R_TRY(impl::CheckMountNameAllowingReserved(name));
|
|
|
|
/* Open the SD card. This uses libnx bindings. */
|
|
FsFileSystem fs;
|
|
R_TRY(fsOpenSdCardFileSystem(std::addressof(fs)));
|
|
|
|
/* Allocate a new filesystem wrapper. */
|
|
auto fsa = std::make_unique<RemoteFileSystem>(fs);
|
|
R_UNLESS(fsa != nullptr, fs::ResultAllocationFailureInSdCardA());
|
|
|
|
/* Allocate a new mountname generator. */
|
|
/* NOTE: Nintendo does not attach a generator. */
|
|
auto generator = std::make_unique<SdCardCommonMountNameGenerator>();
|
|
R_UNLESS(generator != nullptr, fs::ResultAllocationFailureInSdCardA());
|
|
|
|
/* Register. */
|
|
return fsa::Register(name, std::move(fsa), std::move(generator));
|
|
}
|
|
|
|
Result MountSdCardErrorReportDirectoryForAtmosphere(const char *name) {
|
|
/* Validate the mount name. */
|
|
R_TRY(impl::CheckMountName(name));
|
|
|
|
/* Open the SD card. This uses libnx bindings. */
|
|
FsFileSystem fs;
|
|
R_TRY(fsOpenSdCardFileSystem(std::addressof(fs)));
|
|
|
|
/* Allocate a new filesystem wrapper. */
|
|
std::unique_ptr<fsa::IFileSystem> fsa = std::make_unique<RemoteFileSystem>(fs);
|
|
R_UNLESS(fsa != nullptr, fs::ResultAllocationFailureInSdCardA());
|
|
|
|
/* Ensure that the error report directory exists. */
|
|
R_TRY(fssystem::EnsureDirectoryRecursively(fsa.get(), AtmosphereErrorReportDirectory));
|
|
|
|
/* Create a subdirectory filesystem. */
|
|
auto subdir_fs = std::make_unique<fssystem::SubDirectoryFileSystem>(std::move(fsa), AtmosphereErrorReportDirectory);
|
|
R_UNLESS(subdir_fs != nullptr, fs::ResultAllocationFailureInSdCardA());
|
|
|
|
/* Register. */
|
|
return fsa::Register(name, std::move(subdir_fs));
|
|
}
|
|
|
|
Result OpenSdCardDetectionEventNotifier(std::unique_ptr<IEventNotifier> *out) {
|
|
/* Try to open an event notifier. */
|
|
FsEventNotifier notifier;
|
|
AMS_FS_R_TRY(fsOpenSdCardDetectionEventNotifier(std::addressof(notifier)));
|
|
|
|
/* Create an event notifier adapter. */
|
|
auto adapter = std::make_unique<impl::RemoteEventNotifierObjectAdapter>(notifier);
|
|
R_UNLESS(adapter != nullptr, fs::ResultAllocationFailureInSdCardB());
|
|
|
|
*out = std::move(adapter);
|
|
return ResultSuccess();
|
|
}
|
|
|
|
bool IsSdCardInserted() {
|
|
/* Open device operator. */
|
|
FsDeviceOperator device_operator;
|
|
AMS_FS_R_ABORT_UNLESS(::fsOpenDeviceOperator(std::addressof(device_operator)));
|
|
ON_SCOPE_EXIT { ::fsDeviceOperatorClose(std::addressof(device_operator)); };
|
|
|
|
/* Get SD card inserted. */
|
|
bool inserted;
|
|
AMS_FS_R_ABORT_UNLESS(::fsDeviceOperatorIsSdCardInserted(std::addressof(device_operator), std::addressof(inserted)));
|
|
|
|
return inserted;
|
|
}
|
|
|
|
}
|