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Archives: Expose the File and Directory classes to HLE

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Subv 2015-02-07 13:06:48 -05:00 • committed by Yuri Kunde Schlesner
parent ca1a87ef7d
commit 071663e074
3 changed files with 62 additions and 58 deletions
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80
src/core/hle/service/fs/archive.cpp
View file

@ -20,7 +20,6 @@
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/directory_backend.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
@ -76,31 +75,19 @@ enum class DirectoryCommand : u32 {
Close = 0x08020000,
};
class File : public Kernel::Session {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: path(path), priority(0), backend(std::move(backend)) {
}
std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
ResultVal<bool> File::SyncRequest() {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from file...
case FileCommand::Read:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s %s: offset=0x%llx length=%d address=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
break;
}
@ -108,12 +95,12 @@ public:
// Write to file...
case FileCommand::Write:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u32 address = cmd_buff[6];
LOG_TRACE(Service_FS, "Write %s %s: offset=0x%llx length=%d address=0x%x, flush=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
break;
}
@ -131,7 +118,7 @@ public:
{
u64 size = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
LOG_TRACE(Service_FS, "SetSize %s %s size=%llu",
GetTypeName().c_str(), GetName().c_str(), size);
GetTypeName().c_str(), GetName().c_str(), size);
backend->SetSize(size);
break;
}
@ -177,27 +164,15 @@ public:
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
class Directory : public Kernel::Session {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
: path(path), backend(std::move(backend)) {
}
std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
ResultVal<bool> Directory::SyncRequest() {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
// Read from directory...
case DirectoryCommand::Read:
@ -206,7 +181,7 @@ public:
u32 address = cmd_buff[3];
auto entries = reinterpret_cast<FileSys::Entry*>(Memory::GetPointer(address));
LOG_TRACE(Service_FS, "Read %s %s: count=%d",
GetTypeName().c_str(), GetName().c_str(), count);
GetTypeName().c_str(), GetName().c_str(), count);
// Number of entries actually read
cmd_buff[2] = backend->Read(count, entries);
@ -226,11 +201,10 @@ public:
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return MakeResult<bool>(false);
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -294,7 +268,7 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
return RESULT_SUCCESS;
}
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenFileFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path, const FileSys::Mode mode) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
@ -307,7 +281,7 @@ ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenFileFromArchive(ArchiveHandle
}
auto file = Kernel::SharedPtr<File>(new File(std::move(backend), path));
return MakeResult<Kernel::SharedPtr<Kernel::Session>>(std::move(file));
return MakeResult<Kernel::SharedPtr<File>>(std::move(file));
}
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
@ -393,7 +367,7 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, cons
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
@ -406,7 +380,7 @@ ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenDirectoryFromArchive(ArchiveHa
}
auto directory = Kernel::SharedPtr<Directory>(new Directory(std::move(backend), path));
return MakeResult<Kernel::SharedPtr<Kernel::Session>>(std::move(directory));
return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory));
}
ResultCode FormatSaveData() {

34
src/core/hle/service/fs/archive.h
View file

@ -8,6 +8,7 @@
#include "core/file_sys/archive_backend.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
/// The unique system identifier hash, also known as ID0
@ -36,6 +37,35 @@ enum class ArchiveIdCode : u32 {
typedef u64 ArchiveHandle;
class File : public Kernel::Session {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: path(path), priority(0), backend(std::move(backend)) {
}
std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override;
};
class Directory : public Kernel::Session {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
: path(path), backend(std::move(backend)) {
}
std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override;
};
/**
* Opens an archive
* @param id_code IdCode of the archive to open
@ -64,7 +94,7 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
* @param mode Mode under which to open the File
* @return The opened File object as a Session
*/
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenFileFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path, const FileSys::Mode mode);
/**
@ -128,7 +158,7 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, cons
* @param path Path to the Directory inside of the Archive
* @return The opened Directory object as a Session
*/
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path);
/**

6
src/core/hle/service/fs/fs_user.cpp
View file

@ -61,7 +61,7 @@ static void OpenFile(Service::Interface* self) {
LOG_DEBUG(Service_FS, "path=%s, mode=%d attrs=%u", file_path.DebugStr().c_str(), mode.hex, attributes);
ResultVal<SharedPtr<Session>> file_res = OpenFileFromArchive(archive_handle, file_path, mode);
ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
@ -117,7 +117,7 @@ static void OpenFileDirectly(Service::Interface* self) {
}
SCOPE_EXIT({ CloseArchive(*archive_handle); });
ResultVal<SharedPtr<Session>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode);
ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
@ -337,7 +337,7 @@ static void OpenDirectory(Service::Interface* self) {
LOG_DEBUG(Service_FS, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
ResultVal<SharedPtr<Session>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path);
ResultVal<SharedPtr<Directory>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path);
cmd_buff[1] = dir_res.Code().raw;
if (dir_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*dir_res).MoveFrom();