Merge pull request #2249 from Subv/sessions_v3

Kernel/IPC: Use Ports and Sessions as the fundamental building block of Inter Process Communication.
This commit is contained in:
Yuri Kunde Schlesner
2016-12-14 20:35:33 -08:00
committed by GitHub
25 changed files with 591 additions and 171 deletions

View File

@ -24,6 +24,7 @@
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/result.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/fs/fs_user.h"
@ -93,7 +94,7 @@ File::File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path&
File::~File() {}
ResultVal<bool> File::SyncRequest() {
void File::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
@ -116,7 +117,7 @@ ResultVal<bool> File::SyncRequest() {
ResultVal<size_t> read = backend->Read(offset, data.size(), data.data());
if (read.Failed()) {
cmd_buff[1] = read.Code().raw;
return read.Code();
return;
}
Memory::WriteBlock(address, data.data(), *read);
cmd_buff[2] = static_cast<u32>(*read);
@ -137,7 +138,7 @@ ResultVal<bool> File::SyncRequest() {
ResultVal<size_t> written = backend->Write(offset, data.size(), flush != 0, data.data());
if (written.Failed()) {
cmd_buff[1] = written.Code().raw;
return written.Code();
return;
}
cmd_buff[2] = static_cast<u32>(*written);
break;
@ -173,7 +174,11 @@ ResultVal<bool> File::SyncRequest() {
case FileCommand::OpenLinkFile: {
LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str());
cmd_buff[3] = Kernel::g_handle_table.Create(this).ValueOr(INVALID_HANDLE);
auto sessions = Kernel::ServerSession::CreateSessionPair(GetName(), shared_from_this());
ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
cmd_buff[3] = Kernel::g_handle_table
.Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
.ValueOr(INVALID_HANDLE);
break;
}
@ -194,10 +199,9 @@ ResultVal<bool> File::SyncRequest() {
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
@ -206,11 +210,10 @@ Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
Directory::~Directory() {}
ResultVal<bool> Directory::SyncRequest() {
void Directory::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
// Read from directory...
case DirectoryCommand::Read: {
u32 count = cmd_buff[1];
@ -237,10 +240,9 @@ ResultVal<bool> Directory::SyncRequest() {
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return MakeResult<bool>(false);
return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -307,9 +309,9 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
return RESULT_SUCCESS;
}
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path,
const FileSys::Mode mode) {
ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path,
const FileSys::Mode mode) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
@ -318,8 +320,8 @@ ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_han
if (backend.Failed())
return backend.Code();
auto file = Kernel::SharedPtr<File>(new File(backend.MoveFrom(), path));
return MakeResult<Kernel::SharedPtr<File>>(std::move(file));
auto file = std::shared_ptr<File>(new File(backend.MoveFrom(), path));
return MakeResult<std::shared_ptr<File>>(std::move(file));
}
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
@ -398,8 +400,8 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
}
}
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
@ -408,8 +410,8 @@ ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle a
if (backend.Failed())
return backend.Code();
auto directory = Kernel::SharedPtr<Directory>(new Directory(backend.MoveFrom(), path));
return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory));
auto directory = std::shared_ptr<Directory>(new Directory(backend.MoveFrom(), path));
return MakeResult<std::shared_ptr<Directory>>(std::move(directory));
}
ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) {