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bcat: Implement IDeliveryCacheDirectoryService commands

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Used to list and get directories at the root level.
This commit is contained in:
Zach Hilman 2019-04-28 18:53:39 -04:00
parent 862131ead9
commit 8812018c1d
1 changed files with 99 additions and 0 deletions
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99
src/core/hle/service/bcat/module.cpp
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@ -40,6 +40,105 @@ void Module::Interface::CreateBcatService(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IBcatService>(*backend);
class IDeliveryCacheDirectoryService final
: public ServiceFramework<IDeliveryCacheDirectoryService> {
public:
IDeliveryCacheDirectoryService(FileSys::VirtualDir root_)
: ServiceFramework{"IDeliveryCacheDirectoryService"}, root(std::move(root_)) {
// clang-format off
static const FunctionInfo functions[] = {
{0, &IDeliveryCacheDirectoryService::Open, "Open"},
{1, &IDeliveryCacheDirectoryService::Read, "Read"},
{2, &IDeliveryCacheDirectoryService::GetCount, "GetCount"},
};
// clang-format on
RegisterHandlers(functions);
}
private:
void Open(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto name_raw = rp.PopRaw<DirectoryName>();
const auto name =
Common::StringFromFixedZeroTerminatedBuffer(name_raw.data(), name_raw.size());
LOG_DEBUG(Service_BCAT, "called, name={}", name);
if (!VerifyNameValidDir(ctx, name_raw))
return;
if (current_dir != nullptr) {
LOG_ERROR(Service_BCAT, "A file has already been opened on this interface!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_ENTITY_ALREADY_OPEN);
return;
}
current_dir = root->GetSubdirectory(name);
if (current_dir == nullptr) {
LOG_ERROR(Service_BCAT, "Failed to open the directory name={}!", name);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_FAILED_OPEN_ENTITY);
return;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void Read(Kernel::HLERequestContext& ctx) {
auto write_size = ctx.GetWriteBufferSize() / sizeof(DeliveryCacheDirectoryEntry);
LOG_DEBUG(Service_BCAT, "called, write_size={:016X}", write_size);
if (current_dir == nullptr) {
LOG_ERROR(Service_BCAT, "There is no open directory!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_NO_OPEN_ENTITY);
return;
}
const auto files = current_dir->GetFiles();
write_size = std::min(write_size, files.size());
std::vector<DeliveryCacheDirectoryEntry> entries(write_size);
std::transform(
files.begin(), files.begin() + write_size, entries.begin(), [](const auto& file) {
FileName name{};
std::memcpy(name.data(), file->GetName().data(),
std::min(file->GetName().size(), name.size()));
return DeliveryCacheDirectoryEntry{name, file->GetSize(), DigestFile(file)};
});
ctx.WriteBuffer(entries);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(write_size * sizeof(DeliveryCacheDirectoryEntry));
}
void GetCount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_BCAT, "called");
if (current_dir == nullptr) {
LOG_ERROR(Service_BCAT, "There is no open directory!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_NO_OPEN_ENTITY);
return;
}
const auto files = current_dir->GetFiles();
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(files.size());
}
FileSys::VirtualDir root;
FileSys::VirtualDir current_dir;
};
class IDeliveryCacheStorageService final : public ServiceFramework<IDeliveryCacheStorageService> {
public:
IDeliveryCacheStorageService(FileSys::VirtualDir root_)