pm: Implement pm:info GetTitleId

Searches the process list for a process with the specified ID, returning the title ID if it exists.
This commit is contained in:
Zach Hilman 2019-06-26 19:05:04 -04:00
parent 5829ba1ccc
commit 49af3bcdcb

View file

@ -8,6 +8,26 @@
namespace Service::PM {
namespace {
constexpr ResultCode ERROR_PROCESS_NOT_FOUND{ErrorModule::PM, 1};
constexpr u64 NO_PROCESS_FOUND_PID{0};
std::optional<Kernel::SharedPtr<Kernel::Process>> SearchProcessList(
const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list,
std::function<bool(const Kernel::SharedPtr<Kernel::Process>&)> predicate) {
const auto iter = std::find_if(process_list.begin(), process_list.end(), predicate);
if (iter == process_list.end()) {
return std::nullopt;
}
return *iter;
}
} // Anonymous namespace
class BootMode final : public ServiceFramework<BootMode> {
public:
explicit BootMode() : ServiceFramework{"pm:bm"} {
@ -60,12 +80,37 @@ public:
class Info final : public ServiceFramework<Info> {
public:
explicit Info() : ServiceFramework{"pm:info"} {
explicit Info(const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list)
: ServiceFramework{"pm:info"}, process_list(process_list) {
static const FunctionInfo functions[] = {
{0, nullptr, "GetTitleId"},
{0, &Info::GetTitleId, "GetTitleId"},
};
RegisterHandlers(functions);
}
private:
void GetTitleId(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto process_id = rp.PopRaw<u64>();
LOG_DEBUG(Service_PM, "called, process_id={:016X}", process_id);
const auto process = SearchProcessList(process_list, [process_id](const auto& process) {
return process->GetProcessID() == process_id;
});
if (!process.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_PROCESS_NOT_FOUND);
return;
}
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push((*process)->GetTitleID());
}
const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list;
};
class Shell final : public ServiceFramework<Shell> {