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-rw-r--r--src/core/hle/service/filesystem/fsp_srv.cpp114
1 files changed, 65 insertions, 49 deletions
diff --git a/src/core/hle/service/filesystem/fsp_srv.cpp b/src/core/hle/service/filesystem/fsp_srv.cpp
index 216bfea0a..26e8a8c88 100644
--- a/src/core/hle/service/filesystem/fsp_srv.cpp
+++ b/src/core/hle/service/filesystem/fsp_srv.cpp
@@ -19,8 +19,8 @@ namespace Service::FileSystem {
class IStorage final : public ServiceFramework<IStorage> {
public:
- IStorage(std::unique_ptr<FileSys::StorageBackend>&& backend)
- : ServiceFramework("IStorage"), backend(std::move(backend)) {
+ IStorage(FileSys::VirtualFile backend_)
+ : ServiceFramework("IStorage"), backend(std::move(backend_)) {
static const FunctionInfo functions[] = {
{0, &IStorage::Read, "Read"}, {1, nullptr, "Write"}, {2, nullptr, "Flush"},
{3, nullptr, "SetSize"}, {4, nullptr, "GetSize"}, {5, nullptr, "OperateRange"},
@@ -29,7 +29,7 @@ public:
}
private:
- std::unique_ptr<FileSys::StorageBackend> backend;
+ FileSys::VirtualFile backend;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
@@ -51,8 +51,8 @@ private:
}
// Read the data from the Storage backend
- std::vector<u8> output(length);
- ResultVal<size_t> res = backend->Read(offset, length, output.data());
+ std::vector<u8> output = backend->ReadBytes(length, offset);
+ auto res = MakeResult<size_t>(output.size());
if (res.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(res.Code());
@@ -69,8 +69,8 @@ private:
class IFile final : public ServiceFramework<IFile> {
public:
- explicit IFile(std::unique_ptr<FileSys::StorageBackend>&& backend)
- : ServiceFramework("IFile"), backend(std::move(backend)) {
+ explicit IFile(FileSys::VirtualFile backend_)
+ : ServiceFramework("IFile"), backend(std::move(backend_)) {
static const FunctionInfo functions[] = {
{0, &IFile::Read, "Read"}, {1, &IFile::Write, "Write"},
{2, &IFile::Flush, "Flush"}, {3, &IFile::SetSize, "SetSize"},
@@ -80,7 +80,7 @@ public:
}
private:
- std::unique_ptr<FileSys::StorageBackend> backend;
+ FileSys::VirtualFile backend;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
@@ -103,8 +103,8 @@ private:
}
// Read the data from the Storage backend
- std::vector<u8> output(length);
- ResultVal<size_t> res = backend->Read(offset, length, output.data());
+ std::vector<u8> output = backend->ReadBytes(length, offset);
+ auto res = MakeResult<size_t>(output.size());
if (res.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(res.Code());
@@ -139,9 +139,10 @@ private:
return;
}
- // Write the data to the Storage backend
std::vector<u8> data = ctx.ReadBuffer();
- ResultVal<size_t> res = backend->Write(offset, length, true, data.data());
+ data.resize(length);
+ // Write the data to the Storage backend
+ auto res = MakeResult<size_t>(backend->WriteBytes(data, offset));
if (res.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(res.Code());
@@ -154,7 +155,8 @@ private:
void Flush(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
- backend->Flush();
+
+ // Exists for SDK compatibiltity -- No need to flush file.
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@@ -163,7 +165,7 @@ private:
void SetSize(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 size = rp.Pop<u64>();
- backend->SetSize(size);
+ backend->Resize(size);
LOG_DEBUG(Service_FS, "called, size={}", size);
IPC::ResponseBuilder rb{ctx, 2};
@@ -180,19 +182,38 @@ private:
}
};
+template <typename T>
+static void BuildEntryIndex(std::vector<FileSys::Entry>& entries, const std::vector<T>& new_data,
+ FileSys::EntryType type) {
+ for (const auto& new_entry : new_data) {
+ FileSys::Entry entry;
+ entry.filename[0] = '\0';
+ std::strncat(entry.filename, new_entry->GetName().c_str(), FileSys::FILENAME_LENGTH - 1);
+ entry.type = type;
+ entry.file_size = new_entry->GetSize();
+ entries.emplace_back(std::move(entry));
+ }
+}
+
class IDirectory final : public ServiceFramework<IDirectory> {
public:
- explicit IDirectory(std::unique_ptr<FileSys::DirectoryBackend>&& backend)
- : ServiceFramework("IDirectory"), backend(std::move(backend)) {
+ explicit IDirectory(FileSys::VirtualDir backend_)
+ : ServiceFramework("IDirectory"), backend(std::move(backend_)) {
static const FunctionInfo functions[] = {
{0, &IDirectory::Read, "Read"},
{1, &IDirectory::GetEntryCount, "GetEntryCount"},
};
RegisterHandlers(functions);
+
+ // Build entry index now to save time later.
+ BuildEntryIndex(entries, backend->GetFiles(), FileSys::File);
+ BuildEntryIndex(entries, backend->GetSubdirectories(), FileSys::Directory);
}
private:
- std::unique_ptr<FileSys::DirectoryBackend> backend;
+ FileSys::VirtualDir backend;
+ std::vector<FileSys::Entry> entries;
+ u64 next_entry_index = 0;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
@@ -203,26 +224,31 @@ private:
// Calculate how many entries we can fit in the output buffer
u64 count_entries = ctx.GetWriteBufferSize() / sizeof(FileSys::Entry);
+ // Cap at total number of entries.
+ u64 actual_entries = std::min(count_entries, entries.size() - next_entry_index);
+
// Read the data from the Directory backend
- std::vector<FileSys::Entry> entries(count_entries);
- u64 read_entries = backend->Read(count_entries, entries.data());
+ std::vector<FileSys::Entry> entry_data(entries.begin() + next_entry_index,
+ entries.begin() + next_entry_index + actual_entries);
+
+ next_entry_index += actual_entries;
// Convert the data into a byte array
- std::vector<u8> output(entries.size() * sizeof(FileSys::Entry));
- std::memcpy(output.data(), entries.data(), output.size());
+ std::vector<u8> output(entry_data.size() * sizeof(FileSys::Entry));
+ std::memcpy(output.data(), entry_data.data(), output.size());
// Write the data to memory
ctx.WriteBuffer(output);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
- rb.Push(read_entries);
+ rb.Push(actual_entries);
}
void GetEntryCount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
- u64 count = backend->GetEntryCount();
+ u64 count = entries.size() - next_entry_index;
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
@@ -232,7 +258,7 @@ private:
class IFileSystem final : public ServiceFramework<IFileSystem> {
public:
- explicit IFileSystem(std::unique_ptr<FileSys::FileSystemBackend>&& backend)
+ explicit IFileSystem(FileSys::VirtualDir backend)
: ServiceFramework("IFileSystem"), backend(std::move(backend)) {
static const FunctionInfo functions[] = {
{0, &IFileSystem::CreateFile, "CreateFile"},
@@ -267,7 +293,7 @@ public:
LOG_DEBUG(Service_FS, "called file {} mode 0x{:X} size 0x{:08X}", name, mode, size);
IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(backend->CreateFile(name, size));
+ rb.Push(backend.CreateFile(name, size));
}
void DeleteFile(Kernel::HLERequestContext& ctx) {
@@ -279,7 +305,7 @@ public:
LOG_DEBUG(Service_FS, "called file {}", name);
IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(backend->DeleteFile(name));
+ rb.Push(backend.DeleteFile(name));
}
void CreateDirectory(Kernel::HLERequestContext& ctx) {
@@ -291,7 +317,7 @@ public:
LOG_DEBUG(Service_FS, "called directory {}", name);
IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(backend->CreateDirectory(name));
+ rb.Push(backend.CreateDirectory(name));
}
void RenameFile(Kernel::HLERequestContext& ctx) {
@@ -309,7 +335,7 @@ public:
LOG_DEBUG(Service_FS, "called file '{}' to file '{}'", src_name, dst_name);
IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(backend->RenameFile(src_name, dst_name));
+ rb.Push(backend.RenameFile(src_name, dst_name));
}
void OpenFile(Kernel::HLERequestContext& ctx) {
@@ -322,14 +348,14 @@ public:
LOG_DEBUG(Service_FS, "called file {} mode {}", name, static_cast<u32>(mode));
- auto result = backend->OpenFile(name, mode);
+ auto result = backend.OpenFile(name, mode);
if (result.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result.Code());
return;
}
- auto file = std::move(result.Unwrap());
+ IFile file(result.Unwrap());
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
@@ -347,14 +373,14 @@ public:
LOG_DEBUG(Service_FS, "called directory {} filter {}", name, filter_flags);
- auto result = backend->OpenDirectory(name);
+ auto result = backend.OpenDirectory(name);
if (result.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result.Code());
return;
}
- auto directory = std::move(result.Unwrap());
+ IDirectory directory(result.Unwrap());
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
@@ -369,7 +395,7 @@ public:
LOG_DEBUG(Service_FS, "called file {}", name);
- auto result = backend->GetEntryType(name);
+ auto result = backend.GetEntryType(name);
if (result.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result.Code());
@@ -389,7 +415,7 @@ public:
}
private:
- std::unique_ptr<FileSys::FileSystemBackend> backend;
+ VfsDirectoryServiceWrapper backend;
};
FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
@@ -490,8 +516,7 @@ void FSP_SRV::TryLoadRomFS() {
if (romfs) {
return;
}
- FileSys::Path unused;
- auto res = OpenFileSystem(Type::RomFS, unused);
+ auto res = OpenRomFS();
if (res.Succeeded()) {
romfs = std::move(res.Unwrap());
}
@@ -507,8 +532,7 @@ void FSP_SRV::Initialize(Kernel::HLERequestContext& ctx) {
void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
- FileSys::Path unused;
- auto filesystem = OpenFileSystem(Type::SDMC, unused).Unwrap();
+ IFileSystem filesystem(OpenFileSystem(Type::SDMC).Unwrap());
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
@@ -531,8 +555,7 @@ void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_FS, "(STUBBED) called");
- FileSys::Path unused;
- auto filesystem = OpenFileSystem(Type::SaveData, unused).Unwrap();
+ IFileSystem filesystem(OpenFileSystem(Type::SaveData).Unwrap());
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
@@ -559,18 +582,11 @@ void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
return;
}
- // Attempt to open a StorageBackend interface to the RomFS
- auto storage = romfs->OpenFile({}, {});
- if (storage.Failed()) {
- LOG_CRITICAL(Service_FS, "no storage interface available!");
- IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(storage.Code());
- return;
- }
+ IStorage storage(romfs);
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
- rb.PushIpcInterface<IStorage>(std::move(storage.Unwrap()));
+ rb.PushIpcInterface<IStorage>(std::move(storage));
}
void FSP_SRV::OpenRomStorage(Kernel::HLERequestContext& ctx) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 18:52:40 +0200