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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/event.h"
#include "core/hle/service/srv.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace SRV
namespace SRV {
static Kernel::SharedPtr<Kernel::Event> event_handle;
/**
* SRV::RegisterClient service function
* Inputs:
* 0: 0x00010002
* 1: ProcessId Header (must be 0x20)
* Outputs:
* 0: 0x00010040
* 1: ResultCode
*/
static void RegisterClient(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
if (cmd_buff[1] != IPC::CallingPidDesc()) {
cmd_buff[0] = IPC::MakeHeader(0x0, 0x1, 0); // 0x40
cmd_buff[1] = ResultCode(ErrorDescription::OS_InvalidBufferDescriptor, ErrorModule::OS,
ErrorSummary::WrongArgument, ErrorLevel::Permanent)
.raw;
return;
}
cmd_buff[0] = IPC::MakeHeader(0x1, 0x1, 0); // 0x10040
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_SRV, "(STUBBED) called");
}
/**
* SRV::EnableNotification service function
* Inputs:
* 0: 0x00020000
* Outputs:
* 0: 0x00020042
* 1: ResultCode
* 2: Translation descriptor: 0x20
* 3: Handle to semaphore signaled on process notification
*/
static void EnableNotification(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(bunnei): Change to a semaphore once these have been implemented
event_handle = Kernel::Event::Create(Kernel::ResetType::OneShot, "SRV:Event");
event_handle->Clear();
cmd_buff[0] = IPC::MakeHeader(0x2, 0x1, 0x2); // 0x20042
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = IPC::CopyHandleDesc(1);
cmd_buff[3] = Kernel::g_handle_table.Create(event_handle).MoveFrom();
LOG_WARNING(Service_SRV, "(STUBBED) called");
}
/**
* SRV::GetServiceHandle service function
* Inputs:
* 0: 0x00050100
* 1-2: 8-byte UTF-8 service name
* 3: Name length
* 4: Flags (bit0: if not set, return port-handle if session-handle unavailable)
* Outputs:
* 1: ResultCode
* 3: Service handle
*/
static void GetServiceHandle(Service::Interface* self) {
ResultCode res = RESULT_SUCCESS;
u32* cmd_buff = Kernel::GetCommandBuffer();
std::string port_name = std::string((const char*)&cmd_buff[1], 0, Service::kMaxPortSize);
auto it = Service::g_srv_services.find(port_name);
if (it != Service::g_srv_services.end()) {
auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(it->second);
// The hle_handler will be nullptr if this port was registered by the emulated
// application by means of srv:RegisterService.
auto hle_handler = std::get<std::shared_ptr<Service::Interface>>(it->second);
// Create a new session pair
auto sessions = Kernel::ServerSession::CreateSessionPair(port_name, hle_handler);
auto client_session = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
auto server_session = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
// Note: Threads do not wait for the server endpoint to call
// AcceptSession before returning from this call.
// Add the server session to the port's queue
client_port->AddWaitingSession(server_session);
// Return the client session
cmd_buff[3] = Kernel::g_handle_table.Create(client_session).MoveFrom();
LOG_TRACE(Service_SRV, "called port=%s, handle=0x%08X", port_name.c_str(), cmd_buff[3]);
} else {
LOG_ERROR(Service_SRV, "(UNIMPLEMENTED) called port=%s", port_name.c_str());
res = UnimplementedFunction(ErrorModule::SRV);
}
cmd_buff[1] = res.raw;
}
/**
* SRV::Subscribe service function
* Inputs:
* 0: 0x00090040
* 1: Notification ID
* Outputs:
* 0: 0x00090040
* 1: ResultCode
*/
static void Subscribe(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 notification_id = cmd_buff[1];
cmd_buff[0] = IPC::MakeHeader(0x9, 0x1, 0); // 0x90040
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X", notification_id);
}
/**
* SRV::Unsubscribe service function
* Inputs:
* 0: 0x000A0040
* 1: Notification ID
* Outputs:
* 0: 0x000A0040
* 1: ResultCode
*/
static void Unsubscribe(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 notification_id = cmd_buff[1];
cmd_buff[0] = IPC::MakeHeader(0xA, 0x1, 0); // 0xA0040
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X", notification_id);
}
/**
* SRV::PublishToSubscriber service function
* Inputs:
* 0: 0x000C0080
* 1: Notification ID
* 2: Flags (bit0: only fire if not fired, bit1: report errors)
* Outputs:
* 0: 0x000C0040
* 1: ResultCode
*/
static void PublishToSubscriber(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 notification_id = cmd_buff[1];
u8 flags = cmd_buff[2] & 0xFF;
cmd_buff[0] = IPC::MakeHeader(0xC, 0x1, 0); // 0xC0040
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X, flags=%u", notification_id,
flags);
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010002, RegisterClient, "RegisterClient"},
{0x00020000, EnableNotification, "EnableNotification"},
{0x00030100, nullptr, "RegisterService"},
{0x000400C0, nullptr, "UnregisterService"},
{0x00050100, GetServiceHandle, "GetServiceHandle"},
{0x000600C2, nullptr, "RegisterPort"},
{0x000700C0, nullptr, "UnregisterPort"},
{0x00080100, nullptr, "GetPort"},
{0x00090040, Subscribe, "Subscribe"},
{0x000A0040, Unsubscribe, "Unsubscribe"},
{0x000B0000, nullptr, "ReceiveNotification"},
{0x000C0080, PublishToSubscriber, "PublishToSubscriber"},
{0x000D0040, nullptr, "PublishAndGetSubscriber"},
{0x000E00C0, nullptr, "IsServiceRegistered"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
Register(FunctionTable);
event_handle = nullptr;
}
Interface::~Interface() {
event_handle = nullptr;
}
} // namespace SRV
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