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fs: merge FileHandleStorage into file_storage TU

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This commit is contained in:
Michael Scire 2020-03-27 11:43:54 -07:00
parent b3077c4a1a
commit f0e7869f72
5 changed files with 104 additions and 149 deletions
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1
libraries/libstratosphere/include/stratosphere/fs.hpp
View file

@ -28,7 +28,6 @@
#include <stratosphere/fs/fs_memory_storage.hpp>
#include <stratosphere/fs/fs_remote_storage.hpp>
#include <stratosphere/fs/fs_file_storage.hpp>
#include <stratosphere/fs/fs_file_handle_storage.hpp>
#include <stratosphere/fs/fs_query_range.hpp>
#include <stratosphere/fs/impl/fs_common_mount_name.hpp>
#include <stratosphere/fs/fs_mount.hpp>

53
libraries/libstratosphere/include/stratosphere/fs/fs_file_handle_storage.hpp
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@ -1,53 +0,0 @@
/*
* Copyright (c) 2018-2020 Adubbz, 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/>.
*/
#pragma once
#include "fs_common.hpp"
#include "fs_istorage.hpp"
namespace ams::fs {
class FileHandleStorage : public IStorage {
private:
static constexpr s64 InvalidSize = -1;
private:
FileHandle handle;
bool close_file;
s64 size;
os::Mutex mutex;
public:
FileHandleStorage(FileHandle handle) : FileHandleStorage(handle, false) { /* ... */ }
FileHandleStorage(FileHandle handle, bool close_file) : handle(handle), close_file(close_file), size(InvalidSize) {
/* ... */
}
virtual ~FileHandleStorage() {
if (this->close_file) {
CloseFile(this->handle);
}
}
protected:
Result UpdateSize();
public:
virtual Result Read(s64 offset, void *buffer, size_t size) override;
virtual Result Write(s64 offset, const void *buffer, size_t size) override;
virtual Result Flush() override;
virtual Result GetSize(s64 *out_size) override;
virtual Result SetSize(s64 size) override;
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
};
}

37
libraries/libstratosphere/include/stratosphere/fs/fs_file_storage.hpp
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@ -14,13 +14,14 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "fs_common.hpp"
#include "fs_istorage.hpp"
#include "fsa/fs_ifile.hpp"
#include <stratosphere/fs/fs_common.hpp>
#include <stratosphere/fs/fs_istorage.hpp>
#include <stratosphere/fs/fsa/fs_ifile.hpp>
#include <stratosphere/fs/impl/fs_newable.hpp>
namespace ams::fs {
class FileStorage : public IStorage {
class FileStorage : public IStorage, public impl::Newable {
private:
static constexpr s64 InvalidSize = -1;
private:
@ -53,4 +54,32 @@ namespace ams::fs {
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
};
class FileHandleStorage : public IStorage, public impl::Newable {
private:
static constexpr s64 InvalidSize = -1;
private:
FileHandle handle;
bool close_file;
s64 size;
os::Mutex mutex;
public:
constexpr explicit FileHandleStorage(FileHandle handle, bool close_file) : handle(handle), close_file(close_file), size(InvalidSize), mutex() { /* ... */ }
constexpr explicit FileHandleStorage(FileHandle handle) : FileHandleStorage(handle, false) { /* ... */ }
virtual ~FileHandleStorage() override {
if (this->close_file) {
CloseFile(this->handle);
}
}
protected:
Result UpdateSize();
public:
virtual Result Read(s64 offset, void *buffer, size_t size) override;
virtual Result Write(s64 offset, const void *buffer, size_t size) override;
virtual Result Flush() override;
virtual Result GetSize(s64 *out_size) override;
virtual Result SetSize(s64 size) override;
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
};
}

91
libraries/libstratosphere/source/fs/fs_file_handle_storage.cpp
View file

@ -1,91 +0,0 @@
/*
* Copyright (c) 2018-2020 Adubbz, 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>
namespace ams::fs {
Result FileHandleStorage::UpdateSize() {
R_SUCCEED_IF(this->size != InvalidSize);
return GetFileSize(std::addressof(this->size), this->handle);
}
Result FileHandleStorage::Read(s64 offset, void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(this->mutex);
/* Immediately succeed if there's nothing to read. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
return ReadFile(this->handle, offset, buffer, size, fs::ReadOption());
}
Result FileHandleStorage::Write(s64 offset, const void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(this->mutex);
/* Immediately succeed if there's nothing to write. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
return WriteFile(this->handle, offset, buffer, size, fs::WriteOption());
}
Result FileHandleStorage::Flush() {
return FlushFile(this->handle);
}
Result FileHandleStorage::GetSize(s64 *out_size) {
R_TRY(this->UpdateSize());
*out_size = this->size;
return ResultSuccess();
}
Result FileHandleStorage::SetSize(s64 size) {
this->size = InvalidSize;
return SetFileSize(this->handle, size);
}
Result FileHandleStorage::OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) {
switch (op_id) {
case OperationId::QueryRange:
/* Validate buffer and size. */
R_UNLESS(dst != nullptr, fs::ResultNullptrArgument());
R_UNLESS(dst_size == sizeof(QueryRangeInfo), fs::ResultInvalidSize());
return QueryRange(static_cast<QueryRangeInfo *>(dst), this->handle, offset, size);
default:
return fs::ResultUnsupportedOperationInFileStorageB();
}
}
}

71
libraries/libstratosphere/source/fs/fs_file_storage.cpp
View file

@ -90,4 +90,75 @@ namespace ams::fs {
}
}
Result FileHandleStorage::UpdateSize() {
R_SUCCEED_IF(this->size != InvalidSize);
return GetFileSize(std::addressof(this->size), this->handle);
}
Result FileHandleStorage::Read(s64 offset, void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(this->mutex);
/* Immediately succeed if there's nothing to read. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
return ReadFile(this->handle, offset, buffer, size, fs::ReadOption());
}
Result FileHandleStorage::Write(s64 offset, const void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(this->mutex);
/* Immediately succeed if there's nothing to write. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
return WriteFile(this->handle, offset, buffer, size, fs::WriteOption());
}
Result FileHandleStorage::Flush() {
return FlushFile(this->handle);
}
Result FileHandleStorage::GetSize(s64 *out_size) {
R_TRY(this->UpdateSize());
*out_size = this->size;
return ResultSuccess();
}
Result FileHandleStorage::SetSize(s64 size) {
this->size = InvalidSize;
return SetFileSize(this->handle, size);
}
Result FileHandleStorage::OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) {
switch (op_id) {
case OperationId::QueryRange:
/* Validate buffer and size. */
R_UNLESS(dst != nullptr, fs::ResultNullptrArgument());
R_UNLESS(dst_size == sizeof(QueryRangeInfo), fs::ResultInvalidSize());
return QueryRange(static_cast<QueryRangeInfo *>(dst), this->handle, offset, size);
default:
return fs::ResultUnsupportedOperationInFileStorageB();
}
}
}