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@ -26,7 +26,9 @@ |
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#include "core/file_sys/vfs.h"
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#include "core/hle/result.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/hle/service/filesystem/fsp_srv.h"
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#include "core/hle/service/filesystem/fsp/fs_i_filesystem.h"
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#include "core/hle/service/filesystem/fsp/fs_i_storage.h"
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#include "core/hle/service/filesystem/fsp/fsp_srv.h"
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#include "core/hle/service/filesystem/romfs_controller.h"
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#include "core/hle/service/filesystem/save_data_controller.h"
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#include "core/hle/service/hle_ipc.h"
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@ -34,19 +36,6 @@ |
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#include "core/reporter.h"
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namespace Service::FileSystem { |
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struct SizeGetter { |
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std::function<u64()> get_free_size; |
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std::function<u64()> get_total_size; |
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static SizeGetter FromStorageId(const FileSystemController& fsc, FileSys::StorageId id) { |
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return { |
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[&fsc, id] { return fsc.GetFreeSpaceSize(id); }, |
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[&fsc, id] { return fsc.GetTotalSpaceSize(id); }, |
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}; |
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} |
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}; |
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enum class FileSystemType : u8 { |
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Invalid0 = 0, |
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Invalid1 = 1, |
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@ -58,532 +47,13 @@ enum class FileSystemType : u8 { |
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ApplicationPackage = 7, |
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}; |
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class IStorage final : public ServiceFramework<IStorage> { |
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public: |
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explicit IStorage(Core::System& system_, FileSys::VirtualFile backend_) |
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: ServiceFramework{system_, "IStorage"}, backend(std::move(backend_)) { |
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static const FunctionInfo functions[] = { |
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{0, &IStorage::Read, "Read"}, |
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{1, nullptr, "Write"}, |
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{2, nullptr, "Flush"}, |
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{3, nullptr, "SetSize"}, |
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{4, &IStorage::GetSize, "GetSize"}, |
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{5, nullptr, "OperateRange"}, |
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}; |
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RegisterHandlers(functions); |
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} |
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private: |
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FileSys::VirtualFile backend; |
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void Read(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const s64 offset = rp.Pop<s64>(); |
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const s64 length = rp.Pop<s64>(); |
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LOG_DEBUG(Service_FS, "called, offset=0x{:X}, length={}", offset, length); |
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// Error checking
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if (length < 0) { |
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LOG_ERROR(Service_FS, "Length is less than 0, length={}", length); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_SIZE); |
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return; |
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} |
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if (offset < 0) { |
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LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_OFFSET); |
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return; |
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} |
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// Read the data from the Storage backend
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std::vector<u8> output = backend->ReadBytes(length, offset); |
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// Write the data to memory
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ctx.WriteBuffer(output); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(ResultSuccess); |
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} |
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void GetSize(HLERequestContext& ctx) { |
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const u64 size = backend->GetSize(); |
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LOG_DEBUG(Service_FS, "called, size={}", size); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push<u64>(size); |
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} |
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}; |
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class IFile final : public ServiceFramework<IFile> { |
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public: |
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explicit IFile(Core::System& system_, FileSys::VirtualFile backend_) |
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: ServiceFramework{system_, "IFile"}, backend(std::move(backend_)) { |
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static const FunctionInfo functions[] = { |
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{0, &IFile::Read, "Read"}, |
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{1, &IFile::Write, "Write"}, |
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{2, &IFile::Flush, "Flush"}, |
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{3, &IFile::SetSize, "SetSize"}, |
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{4, &IFile::GetSize, "GetSize"}, |
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{5, nullptr, "OperateRange"}, |
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{6, nullptr, "OperateRangeWithBuffer"}, |
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}; |
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RegisterHandlers(functions); |
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} |
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private: |
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FileSys::VirtualFile backend; |
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void Read(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const u64 option = rp.Pop<u64>(); |
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const s64 offset = rp.Pop<s64>(); |
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const s64 length = rp.Pop<s64>(); |
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LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option, offset, |
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length); |
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// Error checking
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if (length < 0) { |
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LOG_ERROR(Service_FS, "Length is less than 0, length={}", length); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_SIZE); |
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return; |
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} |
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if (offset < 0) { |
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LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_OFFSET); |
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return; |
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} |
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// Read the data from the Storage backend
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std::vector<u8> output = backend->ReadBytes(length, offset); |
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// Write the data to memory
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ctx.WriteBuffer(output); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push(static_cast<u64>(output.size())); |
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} |
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void Write(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const u64 option = rp.Pop<u64>(); |
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const s64 offset = rp.Pop<s64>(); |
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const s64 length = rp.Pop<s64>(); |
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LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option, offset, |
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length); |
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// Error checking
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if (length < 0) { |
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LOG_ERROR(Service_FS, "Length is less than 0, length={}", length); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_SIZE); |
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return; |
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} |
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if (offset < 0) { |
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LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(FileSys::ERROR_INVALID_OFFSET); |
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return; |
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} |
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const auto data = ctx.ReadBuffer(); |
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ASSERT_MSG( |
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static_cast<s64>(data.size()) <= length, |
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"Attempting to write more data than requested (requested={:016X}, actual={:016X}).", |
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length, data.size()); |
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// Write the data to the Storage backend
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const auto write_size = |
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static_cast<std::size_t>(std::distance(data.begin(), data.begin() + length)); |
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const std::size_t written = backend->Write(data.data(), write_size, offset); |
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ASSERT_MSG(static_cast<s64>(written) == length, |
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"Could not write all bytes to file (requested={:016X}, actual={:016X}).", length, |
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written); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(ResultSuccess); |
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} |
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void Flush(HLERequestContext& ctx) { |
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LOG_DEBUG(Service_FS, "called"); |
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// Exists for SDK compatibiltity -- No need to flush file.
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(ResultSuccess); |
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} |
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void SetSize(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const u64 size = rp.Pop<u64>(); |
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LOG_DEBUG(Service_FS, "called, size={}", size); |
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backend->Resize(size); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(ResultSuccess); |
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} |
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void GetSize(HLERequestContext& ctx) { |
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const u64 size = backend->GetSize(); |
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LOG_DEBUG(Service_FS, "called, size={}", size); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push<u64>(size); |
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} |
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}; |
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template <typename T> |
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static void BuildEntryIndex(std::vector<FileSys::Entry>& entries, const std::vector<T>& new_data, |
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FileSys::EntryType type) { |
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entries.reserve(entries.size() + new_data.size()); |
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for (const auto& new_entry : new_data) { |
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auto name = new_entry->GetName(); |
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if (type == FileSys::EntryType::File && name == FileSys::GetSaveDataSizeFileName()) { |
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continue; |
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} |
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entries.emplace_back(name, type, |
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type == FileSys::EntryType::Directory ? 0 : new_entry->GetSize()); |
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} |
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} |
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class IDirectory final : public ServiceFramework<IDirectory> { |
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public: |
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explicit IDirectory(Core::System& system_, FileSys::VirtualDir backend_, OpenDirectoryMode mode) |
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: ServiceFramework{system_, "IDirectory"}, backend(std::move(backend_)) { |
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static const FunctionInfo functions[] = { |
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{0, &IDirectory::Read, "Read"}, |
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{1, &IDirectory::GetEntryCount, "GetEntryCount"}, |
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}; |
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RegisterHandlers(functions); |
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// TODO(DarkLordZach): Verify that this is the correct behavior.
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// Build entry index now to save time later.
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if (True(mode & OpenDirectoryMode::Directory)) { |
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BuildEntryIndex(entries, backend->GetSubdirectories(), FileSys::EntryType::Directory); |
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} |
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if (True(mode & OpenDirectoryMode::File)) { |
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BuildEntryIndex(entries, backend->GetFiles(), FileSys::EntryType::File); |
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} |
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} |
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private: |
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FileSys::VirtualDir backend; |
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std::vector<FileSys::Entry> entries; |
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u64 next_entry_index = 0; |
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void Read(HLERequestContext& ctx) { |
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LOG_DEBUG(Service_FS, "called."); |
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// Calculate how many entries we can fit in the output buffer
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const u64 count_entries = ctx.GetWriteBufferNumElements<FileSys::Entry>(); |
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// Cap at total number of entries.
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const u64 actual_entries = std::min(count_entries, entries.size() - next_entry_index); |
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// Determine data start and end
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const auto* begin = reinterpret_cast<u8*>(entries.data() + next_entry_index); |
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const auto* end = reinterpret_cast<u8*>(entries.data() + next_entry_index + actual_entries); |
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const auto range_size = static_cast<std::size_t>(std::distance(begin, end)); |
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next_entry_index += actual_entries; |
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// Write the data to memory
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ctx.WriteBuffer(begin, range_size); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push(actual_entries); |
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} |
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void GetEntryCount(HLERequestContext& ctx) { |
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LOG_DEBUG(Service_FS, "called"); |
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u64 count = entries.size() - next_entry_index; |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push(count); |
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} |
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}; |
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class IFileSystem final : public ServiceFramework<IFileSystem> { |
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public: |
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explicit IFileSystem(Core::System& system_, FileSys::VirtualDir backend_, SizeGetter size_) |
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: ServiceFramework{system_, "IFileSystem"}, backend{std::move(backend_)}, size{std::move( |
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size_)} { |
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static const FunctionInfo functions[] = { |
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{0, &IFileSystem::CreateFile, "CreateFile"}, |
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{1, &IFileSystem::DeleteFile, "DeleteFile"}, |
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{2, &IFileSystem::CreateDirectory, "CreateDirectory"}, |
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{3, &IFileSystem::DeleteDirectory, "DeleteDirectory"}, |
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{4, &IFileSystem::DeleteDirectoryRecursively, "DeleteDirectoryRecursively"}, |
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{5, &IFileSystem::RenameFile, "RenameFile"}, |
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{6, nullptr, "RenameDirectory"}, |
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{7, &IFileSystem::GetEntryType, "GetEntryType"}, |
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{8, &IFileSystem::OpenFile, "OpenFile"}, |
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{9, &IFileSystem::OpenDirectory, "OpenDirectory"}, |
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{10, &IFileSystem::Commit, "Commit"}, |
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{11, &IFileSystem::GetFreeSpaceSize, "GetFreeSpaceSize"}, |
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{12, &IFileSystem::GetTotalSpaceSize, "GetTotalSpaceSize"}, |
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{13, &IFileSystem::CleanDirectoryRecursively, "CleanDirectoryRecursively"}, |
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{14, &IFileSystem::GetFileTimeStampRaw, "GetFileTimeStampRaw"}, |
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{15, nullptr, "QueryEntry"}, |
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{16, &IFileSystem::GetFileSystemAttribute, "GetFileSystemAttribute"}, |
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}; |
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RegisterHandlers(functions); |
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} |
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void CreateFile(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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const u64 file_mode = rp.Pop<u64>(); |
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const u32 file_size = rp.Pop<u32>(); |
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LOG_DEBUG(Service_FS, "called. file={}, mode=0x{:X}, size=0x{:08X}", name, file_mode, |
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file_size); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.CreateFile(name, file_size)); |
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} |
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void DeleteFile(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. file={}", name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.DeleteFile(name)); |
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} |
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void CreateDirectory(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. directory={}", name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.CreateDirectory(name)); |
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} |
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void DeleteDirectory(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. directory={}", name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.DeleteDirectory(name)); |
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} |
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void DeleteDirectoryRecursively(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. directory={}", name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.DeleteDirectoryRecursively(name)); |
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} |
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void CleanDirectoryRecursively(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. Directory: {}", name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.CleanDirectoryRecursively(name)); |
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} |
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void RenameFile(HLERequestContext& ctx) { |
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const std::string src_name = Common::StringFromBuffer(ctx.ReadBuffer(0)); |
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const std::string dst_name = Common::StringFromBuffer(ctx.ReadBuffer(1)); |
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LOG_DEBUG(Service_FS, "called. file '{}' to file '{}'", src_name, dst_name); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(backend.RenameFile(src_name, dst_name)); |
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} |
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void OpenFile(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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const auto mode = static_cast<FileSys::Mode>(rp.Pop<u32>()); |
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LOG_DEBUG(Service_FS, "called. file={}, mode={}", name, mode); |
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FileSys::VirtualFile vfs_file{}; |
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auto result = backend.OpenFile(&vfs_file, name, mode); |
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if (result != ResultSuccess) { |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(result); |
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return; |
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} |
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auto file = std::make_shared<IFile>(system, vfs_file); |
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IPC::ResponseBuilder rb{ctx, 2, 0, 1}; |
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rb.Push(ResultSuccess); |
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rb.PushIpcInterface<IFile>(std::move(file)); |
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} |
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void OpenDirectory(HLERequestContext& ctx) { |
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IPC::RequestParser rp{ctx}; |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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const auto mode = rp.PopRaw<OpenDirectoryMode>(); |
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LOG_DEBUG(Service_FS, "called. directory={}, mode={}", name, mode); |
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FileSys::VirtualDir vfs_dir{}; |
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auto result = backend.OpenDirectory(&vfs_dir, name); |
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if (result != ResultSuccess) { |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(result); |
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return; |
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} |
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auto directory = std::make_shared<IDirectory>(system, vfs_dir, mode); |
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IPC::ResponseBuilder rb{ctx, 2, 0, 1}; |
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rb.Push(ResultSuccess); |
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rb.PushIpcInterface<IDirectory>(std::move(directory)); |
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} |
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void GetEntryType(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_DEBUG(Service_FS, "called. file={}", name); |
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FileSys::EntryType vfs_entry_type{}; |
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auto result = backend.GetEntryType(&vfs_entry_type, name); |
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if (result != ResultSuccess) { |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(result); |
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return; |
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} |
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IPC::ResponseBuilder rb{ctx, 3}; |
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rb.Push(ResultSuccess); |
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rb.Push<u32>(static_cast<u32>(vfs_entry_type)); |
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} |
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void Commit(HLERequestContext& ctx) { |
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LOG_WARNING(Service_FS, "(STUBBED) called"); |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(ResultSuccess); |
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} |
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void GetFreeSpaceSize(HLERequestContext& ctx) { |
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LOG_DEBUG(Service_FS, "called"); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push(size.get_free_size()); |
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} |
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void GetTotalSpaceSize(HLERequestContext& ctx) { |
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LOG_DEBUG(Service_FS, "called"); |
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IPC::ResponseBuilder rb{ctx, 4}; |
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rb.Push(ResultSuccess); |
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rb.Push(size.get_total_size()); |
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} |
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void GetFileTimeStampRaw(HLERequestContext& ctx) { |
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const auto file_buffer = ctx.ReadBuffer(); |
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const std::string name = Common::StringFromBuffer(file_buffer); |
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LOG_WARNING(Service_FS, "(Partial Implementation) called. file={}", name); |
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FileSys::FileTimeStampRaw vfs_timestamp{}; |
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auto result = backend.GetFileTimeStampRaw(&vfs_timestamp, name); |
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if (result != ResultSuccess) { |
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IPC::ResponseBuilder rb{ctx, 2}; |
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rb.Push(result); |
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return; |
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} |
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IPC::ResponseBuilder rb{ctx, 10}; |
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rb.Push(ResultSuccess); |
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rb.PushRaw(vfs_timestamp); |
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} |
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void GetFileSystemAttribute(HLERequestContext& ctx) { |
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LOG_WARNING(Service_FS, "(STUBBED) called"); |
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struct FileSystemAttribute { |
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u8 dir_entry_name_length_max_defined; |
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u8 file_entry_name_length_max_defined; |
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u8 dir_path_name_length_max_defined; |
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u8 file_path_name_length_max_defined; |
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INSERT_PADDING_BYTES_NOINIT(0x5); |
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u8 utf16_dir_entry_name_length_max_defined; |
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u8 utf16_file_entry_name_length_max_defined; |
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u8 utf16_dir_path_name_length_max_defined; |
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u8 utf16_file_path_name_length_max_defined; |
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INSERT_PADDING_BYTES_NOINIT(0x18); |
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s32 dir_entry_name_length_max; |
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s32 file_entry_name_length_max; |
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s32 dir_path_name_length_max; |
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s32 file_path_name_length_max; |
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INSERT_PADDING_WORDS_NOINIT(0x5); |
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s32 utf16_dir_entry_name_length_max; |
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s32 utf16_file_entry_name_length_max; |
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s32 utf16_dir_path_name_length_max; |
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s32 utf16_file_path_name_length_max; |
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INSERT_PADDING_WORDS_NOINIT(0x18); |
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INSERT_PADDING_WORDS_NOINIT(0x1); |
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}; |
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static_assert(sizeof(FileSystemAttribute) == 0xc0, |
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"FileSystemAttribute has incorrect size"); |
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FileSystemAttribute savedata_attribute{}; |
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savedata_attribute.dir_entry_name_length_max_defined = true; |
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savedata_attribute.file_entry_name_length_max_defined = true; |
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savedata_attribute.dir_entry_name_length_max = 0x40; |
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savedata_attribute.file_entry_name_length_max = 0x40; |
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IPC::ResponseBuilder rb{ctx, 50}; |
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rb.Push(ResultSuccess); |
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rb.PushRaw(savedata_attribute); |
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} |
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private: |
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VfsDirectoryServiceWrapper backend; |
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SizeGetter size; |
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}; |
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class ISaveDataInfoReader final : public ServiceFramework<ISaveDataInfoReader> { |
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public: |
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explicit ISaveDataInfoReader(Core::System& system_, |
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std::shared_ptr<SaveDataController> save_data_controller_, |
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FileSys::SaveDataSpaceId space) |
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: ServiceFramework{system_, "ISaveDataInfoReader"}, save_data_controller{ |
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save_data_controller_} { |
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: ServiceFramework{system_, "ISaveDataInfoReader"}, |
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save_data_controller{save_data_controller_} { |
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static const FunctionInfo functions[] = { |
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{0, &ISaveDataInfoReader::ReadSaveDataInfo, "ReadSaveDataInfo"}, |
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}; |
FearlessTobi
2 years ago