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applet: Add AppletDataBroker to manage HLE to AM service interaction 

This cleans up most of the callbacks and such in the Applets::Applet interface, while also properly implementing all four data channels.
This commit is contained in:
Zach Hilman 2018-11-19 14:24:36 -05:00
parent 96535c13a5
commit 32775125b7
5 changed files with 194 additions and 104 deletions
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92
src/core/hle/service/am/am.cpp
View File

@ -32,6 +32,9 @@
namespace Service::AM {
constexpr ResultCode ERR_NO_DATA_IN_CHANNEL{ErrorModule::AM, 0x2};
constexpr ResultCode ERR_SIZE_OUT_OF_BOUNDS{ErrorModule::AM, 0x1F7};
enum class AppletId : u32 {
SoftwareKeyboard = 0x11,
};
@ -529,7 +532,8 @@ void ICommonStateGetter::GetPerformanceMode(Kernel::HLERequestContext& ctx) {
class ILibraryAppletAccessor final : public ServiceFramework<ILibraryAppletAccessor> {
public:
explicit ILibraryAppletAccessor(std::shared_ptr<Applets::Applet> applet)
: ServiceFramework("ILibraryAppletAccessor"), applet(std::move(applet)) {
: ServiceFramework("ILibraryAppletAccessor"), applet(std::move(applet)),
broker(std::make_shared<Applets::AppletDataBroker>()) {
// clang-format off
static const FunctionInfo functions[] = {
{0, &ILibraryAppletAccessor::GetAppletStateChangedEvent, "GetAppletStateChangedEvent"},
@ -554,34 +558,16 @@ public:
// clang-format on
RegisterHandlers(functions);
auto& kernel = Core::System::GetInstance().Kernel();
state_changed_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
"ILibraryAppletAccessor:StateChangedEvent");
pop_out_data_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
"ILibraryAppletAccessor:PopDataOutEvent");
pop_interactive_out_data_event =
Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
"ILibraryAppletAccessor:PopInteractiveDataOutEvent");
}
private:
void AppletStorageProxyOutData(IStorage storage) {
storage_stack.push(std::make_shared<IStorage>(storage));
pop_out_data_event->Signal();
}
void AppletStorageProxyOutInteractiveData(IStorage storage) {
interactive_storage_stack.push(std::make_shared<IStorage>(storage));
pop_interactive_out_data_event->Signal();
}
void GetAppletStateChangedEvent(Kernel::HLERequestContext& ctx) {
state_changed_event->Signal();
const auto event = broker->GetStateChangedEvent();
event->Signal();
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(state_changed_event);
rb.PushCopyObjects(event);
LOG_DEBUG(Service_AM, "called");
}
@ -604,14 +590,8 @@ private:
void Start(Kernel::HLERequestContext& ctx) {
ASSERT(applet != nullptr);
applet->Initialize(storage_stack);
while (!storage_stack.empty())
storage_stack.pop();
while (!interactive_storage_stack.empty())
interactive_storage_stack.pop();
applet->Execute([this](IStorage storage) { AppletStorageProxyOutData(storage); },
[this](IStorage storage) { AppletStorageProxyOutInteractiveData(storage); },
[this] { state_changed_event->Signal(); });
applet->Initialize(broker);
applet->Execute();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -621,7 +601,7 @@ private:
void PushInData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
storage_stack.push(rp.PopIpcInterface<IStorage>());
broker->PushNormalDataFromGame(*rp.PopIpcInterface<IStorage>());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -632,28 +612,25 @@ private:
void PopOutData(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
if (storage_stack.empty()) {
rb.Push(ResultCode(-1));
const auto storage = broker->PopNormalDataToGame();
if (storage == nullptr) {
rb.Push(ERR_NO_DATA_IN_CHANNEL);
return;
}
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IStorage>(std::move(storage_stack.front()));
storage_stack.pop();
rb.PushIpcInterface<IStorage>(std::move(*storage));
LOG_DEBUG(Service_AM, "called");
}
void PushInteractiveInData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
interactive_storage_stack.push(rp.PopIpcInterface<IStorage>());
broker->PushInteractiveDataFromGame(*rp.PopIpcInterface<IStorage>());
ASSERT(applet->IsInitialized());
applet->ReceiveInteractiveData(interactive_storage_stack.back());
applet->Execute([this](IStorage storage) { AppletStorageProxyOutData(storage); },
[this](IStorage storage) { AppletStorageProxyOutInteractiveData(storage); },
[this] { state_changed_event->Signal(); });
applet->ExecuteInteractive();
applet->Execute();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -664,15 +641,14 @@ private:
void PopInteractiveOutData(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
if (interactive_storage_stack.empty()) {
rb.Push(ResultCode(-1));
const auto storage = broker->PopInteractiveDataToGame();
if (storage == nullptr) {
rb.Push(ERR_NO_DATA_IN_CHANNEL);
return;
}
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IStorage>(std::move(interactive_storage_stack.front()));
interactive_storage_stack.pop();
rb.PushIpcInterface<IStorage>(std::move(*storage));
LOG_DEBUG(Service_AM, "called");
}
@ -680,7 +656,7 @@ private:
void GetPopOutDataEvent(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(pop_out_data_event);
rb.PushCopyObjects(broker->GetNormalDataEvent());
LOG_DEBUG(Service_AM, "called");
}
@ -688,17 +664,13 @@ private:
void GetPopInteractiveOutDataEvent(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(pop_interactive_out_data_event);
rb.PushCopyObjects(broker->GetInteractiveDataEvent());
LOG_DEBUG(Service_AM, "called");
}
std::shared_ptr<Applets::Applet> applet;
std::queue<std::shared_ptr<IStorage>> storage_stack;
std::queue<std::shared_ptr<IStorage>> interactive_storage_stack;
Kernel::SharedPtr<Kernel::Event> state_changed_event;
Kernel::SharedPtr<Kernel::Event> pop_out_data_event;
Kernel::SharedPtr<Kernel::Event> pop_interactive_out_data_event;
std::shared_ptr<Applets::AppletDataBroker> broker;
};
void IStorage::Open(Kernel::HLERequestContext& ctx) {
@ -740,9 +712,12 @@ void IStorageAccessor::Write(Kernel::HLERequestContext& ctx) {
const u64 offset{rp.Pop<u64>()};
const std::vector<u8> data{ctx.ReadBuffer()};
const auto size = std::min<std::size_t>(data.size(), backing.buffer.size() - offset);
if (data.size() > backing.buffer.size() - offset) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERR_SIZE_OUT_OF_BOUNDS);
}
std::memcpy(&backing.buffer[offset], data.data(), size);
std::memcpy(backing.buffer.data() + offset, data.data(), data.size());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -754,9 +729,12 @@ void IStorageAccessor::Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 offset{rp.Pop<u64>()};
std::size_t size{ctx.GetWriteBufferSize()};
const std::size_t size{ctx.GetWriteBufferSize()};
size = std::min<std::size_t>(size, backing.buffer.size() - offset);
if (size > backing.buffer.size() - offset) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERR_SIZE_OUT_OF_BOUNDS);
}
ctx.WriteBuffer(backing.buffer.data() + offset, size);

95
src/core/hle/service/am/applets/applets.cpp
View File

@ -4,21 +4,108 @@
#include <cstring>
#include "common/assert.h"
#include "core/core.h"
#include "core/frontend/applets/software_keyboard.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/am/applets/applets.h"
namespace Service::AM::Applets {
AppletDataBroker::AppletDataBroker() {
auto& kernel = Core::System::GetInstance().Kernel();
state_changed_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
"ILibraryAppletAccessor:StateChangedEvent");
pop_out_data_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
"ILibraryAppletAccessor:PopDataOutEvent");
pop_interactive_out_data_event = Kernel::Event::Create(
kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
}
AppletDataBroker::~AppletDataBroker() = default;
std::unique_ptr<IStorage> AppletDataBroker::PopNormalDataToGame() {
if (out_channel.empty())
return nullptr;
auto out = std::move(out_channel.front());
out_channel.pop();
return out;
}
std::unique_ptr<IStorage> AppletDataBroker::PopNormalDataToApplet() {
if (in_channel.empty())
return nullptr;
auto out = std::move(in_channel.front());
in_channel.pop();
return out;
}
std::unique_ptr<IStorage> AppletDataBroker::PopInteractiveDataToGame() {
if (out_interactive_channel.empty())
return nullptr;
auto out = std::move(out_interactive_channel.front());
out_interactive_channel.pop();
return out;
}
std::unique_ptr<IStorage> AppletDataBroker::PopInteractiveDataToApplet() {
if (in_interactive_channel.empty())
return nullptr;
auto out = std::move(in_interactive_channel.front());
in_interactive_channel.pop();
return out;
}
void AppletDataBroker::PushNormalDataFromGame(IStorage storage) {
in_channel.push(std::make_unique<IStorage>(storage));
}
void AppletDataBroker::PushNormalDataFromApplet(IStorage storage) {
out_channel.push(std::make_unique<IStorage>(storage));
pop_out_data_event->Signal();
}
void AppletDataBroker::PushInteractiveDataFromGame(IStorage storage) {
in_interactive_channel.push(std::make_unique<IStorage>(storage));
}
void AppletDataBroker::PushInteractiveDataFromApplet(IStorage storage) {
out_interactive_channel.push(std::make_unique<IStorage>(storage));
pop_interactive_out_data_event->Signal();
}
void AppletDataBroker::SignalStateChanged() const {
state_changed_event->Signal();
}
Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetNormalDataEvent() const {
return pop_out_data_event;
}
Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetInteractiveDataEvent() const {
return pop_interactive_out_data_event;
}
Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetStateChangedEvent() const {
return state_changed_event;
}
Applet::Applet() = default;
Applet::~Applet() = default;
void Applet::Initialize(std::queue<std::shared_ptr<IStorage>> storage) {
storage_stack = std::move(storage);
void Applet::Initialize(std::shared_ptr<AppletDataBroker> broker_) {
broker = std::move(broker_);
const auto common_data = storage_stack.front()->GetData();
storage_stack.pop();
const auto common = broker->PopNormalDataToApplet();
ASSERT(common != nullptr);
const auto common_data = common->GetData();
ASSERT(common_data.size() >= sizeof(CommonArguments));
std::memcpy(&common_args, common_data.data(), sizeof(CommonArguments));

56
src/core/hle/service/am/applets/applets.h
View File

@ -8,35 +8,67 @@
#include <memory>
#include <queue>
#include "common/swap.h"
#include "core/hle/kernel/event.h"
union ResultCode;
namespace Frontend {
class SoftwareKeyboardApplet;
}
namespace Service::AM {
class IStorage;
namespace Applets {
using AppletStorageProxyFunction = std::function<void(IStorage)>;
using AppletStateProxyFunction = std::function<void()>;
class AppletDataBroker final {
public:
AppletDataBroker();
~AppletDataBroker();
std::unique_ptr<IStorage> PopNormalDataToGame();
std::unique_ptr<IStorage> PopNormalDataToApplet();
std::unique_ptr<IStorage> PopInteractiveDataToGame();
std::unique_ptr<IStorage> PopInteractiveDataToApplet();
void PushNormalDataFromGame(IStorage storage);
void PushNormalDataFromApplet(IStorage storage);
void PushInteractiveDataFromGame(IStorage storage);
void PushInteractiveDataFromApplet(IStorage storage);
void SignalStateChanged() const;
Kernel::SharedPtr<Kernel::Event> GetNormalDataEvent() const;
Kernel::SharedPtr<Kernel::Event> GetInteractiveDataEvent() const;
Kernel::SharedPtr<Kernel::Event> GetStateChangedEvent() const;
private:
// Queues are named from applet's perspective
std::queue<std::unique_ptr<IStorage>>
in_channel; // PopNormalDataToApplet and PushNormalDataFromGame
std::queue<std::unique_ptr<IStorage>>
out_channel; // PopNormalDataToGame and PushNormalDataFromApplet
std::queue<std::unique_ptr<IStorage>>
in_interactive_channel; // PopInteractiveDataToApplet and PushInteractiveDataFromGame
std::queue<std::unique_ptr<IStorage>>
out_interactive_channel; // PopInteractiveDataToGame and PushInteractiveDataFromApplet
Kernel::SharedPtr<Kernel::Event> state_changed_event;
Kernel::SharedPtr<Kernel::Event> pop_out_data_event; // Signaled on PushNormalDataFromApplet
Kernel::SharedPtr<Kernel::Event>
pop_interactive_out_data_event; // Signaled on PushInteractiveDataFromApplet
};
class Applet {
public:
Applet();
virtual ~Applet();
virtual void Initialize(std::queue<std::shared_ptr<IStorage>> storage);
virtual void Initialize(std::shared_ptr<AppletDataBroker> broker);
virtual bool TransactionComplete() const = 0;
virtual ResultCode GetStatus() const = 0;
virtual void ReceiveInteractiveData(std::shared_ptr<IStorage> storage) = 0;
virtual void Execute(AppletStorageProxyFunction out_data,
AppletStorageProxyFunction out_interactive_data,
AppletStateProxyFunction state) = 0;
virtual void ExecuteInteractive() = 0;
virtual void Execute() = 0;
bool IsInitialized() const {
return initialized;
@ -54,7 +86,7 @@ protected:
static_assert(sizeof(CommonArguments) == 0x20, "CommonArguments has incorrect size.");
CommonArguments common_args;
std::queue<std::shared_ptr<IStorage>> storage_stack;
std::shared_ptr<AppletDataBroker> broker;
bool initialized = false;
};

43
src/core/hle/service/am/applets/software_keyboard.cpp
View File

@ -42,22 +42,23 @@ SoftwareKeyboard::SoftwareKeyboard() = default;
SoftwareKeyboard::~SoftwareKeyboard() = default;
void SoftwareKeyboard::Initialize(std::queue<std::shared_ptr<IStorage>> storage_) {
void SoftwareKeyboard::Initialize(std::shared_ptr<AppletDataBroker> broker_) {
complete = false;
initial_text.clear();
final_data.clear();
Applet::Initialize(std::move(storage_));
Applet::Initialize(std::move(broker_));
ASSERT(storage_stack.size() >= 2);
const auto& keyboard_config = storage_stack.front()->GetData();
storage_stack.pop();
const auto keyboard_config_storage = broker->PopNormalDataToApplet();
ASSERT(keyboard_config_storage != nullptr);
const auto& keyboard_config = keyboard_config_storage->GetData();
ASSERT(keyboard_config.size() >= sizeof(KeyboardConfig));
std::memcpy(&config, keyboard_config.data(), sizeof(KeyboardConfig));
const auto& work_buffer = storage_stack.front()->GetData();
storage_stack.pop();
const auto work_buffer_storage = broker->PopNormalDataToApplet();
ASSERT(work_buffer_storage != nullptr);
const auto& work_buffer = work_buffer_storage->GetData();
if (config.initial_string_size == 0)
return;
@ -76,10 +77,12 @@ ResultCode SoftwareKeyboard::GetStatus() const {
return status;
}
void SoftwareKeyboard::ReceiveInteractiveData(std::shared_ptr<IStorage> storage) {
void SoftwareKeyboard::ExecuteInteractive() {
if (complete)
return;
const auto storage = broker->PopInteractiveDataToApplet();
ASSERT(storage != nullptr);
const auto data = storage->GetData();
const auto status = static_cast<bool>(data[0]);
@ -91,15 +94,14 @@ void SoftwareKeyboard::ReceiveInteractiveData(std::shared_ptr<IStorage> storage)
std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
std::memcpy(string.data(), data.data() + 4, string.size() * 2);
frontend.SendTextCheckDialog(
Common::UTF16StringFromFixedZeroTerminatedBuffer(string.data(), string.size()), state);
Common::UTF16StringFromFixedZeroTerminatedBuffer(string.data(), string.size()),
[this] { broker->SignalStateChanged(); });
}
}
void SoftwareKeyboard::Execute(AppletStorageProxyFunction out_data,
AppletStorageProxyFunction out_interactive_data,
AppletStateProxyFunction state) {
void SoftwareKeyboard::Execute() {
if (complete) {
out_data(IStorage{final_data});
broker->PushNormalDataFromApplet(IStorage{final_data});
return;
}
@ -107,9 +109,6 @@ void SoftwareKeyboard::Execute(AppletStorageProxyFunction out_data,
const auto parameters = ConvertToFrontendParameters(config, initial_text);
this->out_data = out_data;
this->out_interactive_data = out_interactive_data;
this->state = state;
frontend.RequestText([this](std::optional<std::u16string> text) { WriteText(text); },
parameters);
}
@ -147,19 +146,19 @@ void SoftwareKeyboard::WriteText(std::optional<std::u16string> text) {
final_data = output_main;
if (complete) {
out_data(IStorage{output_main});
broker->PushNormalDataFromApplet(IStorage{output_main});
} else {
out_data(IStorage{output_main});
out_interactive_data(IStorage{output_sub});
broker->PushNormalDataFromApplet(IStorage{output_main});
broker->PushInteractiveDataFromApplet(IStorage{output_sub});
}
state();
broker->SignalStateChanged();
} else {
status = ResultCode(-1);
output_main[0] = 1;
complete = true;
out_data(IStorage{output_main});
state();
broker->PushNormalDataFromApplet(IStorage{output_main});
broker->SignalStateChanged();
}
}
} // namespace Service::AM::Applets

12
src/core/hle/service/am/applets/software_keyboard.h
View File

@ -50,14 +50,12 @@ public:
SoftwareKeyboard();
~SoftwareKeyboard() override;
void Initialize(std::queue<std::shared_ptr<IStorage>> storage) override;
void Initialize(std::shared_ptr<AppletDataBroker> broker) override;
bool TransactionComplete() const override;
ResultCode GetStatus() const override;
void ReceiveInteractiveData(std::shared_ptr<IStorage> storage) override;
void Execute(AppletStorageProxyFunction out_data,
AppletStorageProxyFunction out_interactive_data,
AppletStateProxyFunction state) override;
void ExecuteInteractive() override;
void Execute() override;
void WriteText(std::optional<std::u16string> text);
@ -67,10 +65,6 @@ private:
bool complete = false;
std::vector<u8> final_data;
ResultCode status = ResultCode(-1);
AppletStorageProxyFunction out_data;
AppletStorageProxyFunction out_interactive_data;
AppletStateProxyFunction state;
};
} // namespace Service::AM::Applets