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FS: Added the IDirectory IPC interface and implemented its two functions.

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Subv 2018-03-19 23:01:47 -05:00
parent 6d90d99d12
commit 21bac2d7d7
1 changed files with 51 additions and 0 deletions
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51
src/core/hle/service/filesystem/fsp_srv.cpp
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@ -5,6 +5,7 @@
#include <cinttypes>
#include "common/logging/log.h"
#include "core/core.h"
#include "core/file_sys/directory.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/storage.h"
#include "core/hle/ipc_helpers.h"
@ -151,6 +152,56 @@ private:
}
};
class IDirectory final : public ServiceFramework<IDirectory> {
public:
explicit IDirectory(std::unique_ptr<FileSys::DirectoryBackend>&& backend)
: ServiceFramework("IDirectory"), backend(std::move(backend)) {
static const FunctionInfo functions[] = {
{0, &IDirectory::Read, "Read"},
{1, &IDirectory::GetEntryCount, "GetEntryCount"},
};
RegisterHandlers(functions);
}
private:
std::unique_ptr<FileSys::DirectoryBackend> backend;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 unk = rp.Pop<u64>();
LOG_DEBUG(Service_FS, "called, unk=0x%llx", unk);
// Calculate how many entries we can fit in the output buffer
u64 count_entries = ctx.GetWriteBufferSize() / sizeof(FileSys::Entry);
// Read the data from the Directory backend
std::vector<FileSys::Entry> entries(count_entries);
u64 read_entries = backend->Read(count_entries, entries.data());
// Convert the data into a byte array
std::vector<u8> output(entries.size() * sizeof(FileSys::Entry));
std::memcpy(output.data(), entries.data(), output.size());
// Write the data to memory
ctx.WriteBuffer(output);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(read_entries);
}
void GetEntryCount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
u64 count = backend->GetEntryCount();
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(count);
}
};
class IFileSystem final : public ServiceFramework<IFileSystem> {
public:
explicit IFileSystem(std::unique_ptr<FileSys::FileSystemBackend>&& backend)