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hle: Initial implementation of NX service framework and IPC.

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This commit is contained in:
bunnei 2017-10-14 22:18:42 -04:00
parent 12c7469d81
commit 960a1416de
21 changed files with 578 additions and 863 deletions
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43
src/core/hle/service/lm/lm.cpp Normal file
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@ -0,0 +1,43 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/service/lm/lm.h"
namespace Service {
namespace LM {
void InstallInterfaces(SM::ServiceManager& service_manager) {
std::make_shared<LM>()->InstallAsService(service_manager);
}
/**
* SRV::Initialize service function
* Inputs:
* 0: 0x00000000
* Outputs:
* 1: ResultCode
*/
void LM::Initialize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 1};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_SM, "(STUBBED) called");
}
LM::LM() : ServiceFramework("lm") {
static const FunctionInfo functions[] = {
{0x00000000, &LM::Initialize, "Initialize"},
{0x00000001, nullptr, "Unknown2"},
{0x00000002, nullptr, "Unknown3"},
{0x00000003, nullptr, "Unknown4"},
{0x00000004, nullptr, "Unknown5"},
};
RegisterHandlers(functions);
}
LM::~LM() = default;
} // namespace LM
} // namespace Service

25
src/core/hle/service/lm/lm.h Normal file
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@ -0,0 +1,25 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace LM {
class LM final : public ServiceFramework<LM> {
public:
explicit LM();
~LM();
private:
void Initialize(Kernel::HLERequestContext& ctx);
};
/// Registers all LM services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);
} // namespace LM
} // namespace Service

119
src/core/hle/service/service.cpp
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@ -8,17 +8,20 @@
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/service/dsp_dsp.h"
#include "core/hle/service/gsp_gpu.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/lm/lm.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/controller.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
using Kernel::ClientPort;
using Kernel::ServerPort;
@ -46,42 +49,6 @@ static std::string MakeFunctionString(const char* name, const char* port_name,
return function_string;
}
Interface::Interface(u32 max_sessions) : max_sessions(max_sessions) {}
Interface::~Interface() = default;
void Interface::HandleSyncRequest(SharedPtr<ServerSession> server_session) {
// TODO(Subv): Make use of the server_session in the HLE service handlers to distinguish which
// session triggered each command.
u32* cmd_buff = Kernel::GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
if (itr == m_functions.end() || itr->second.func == nullptr) {
std::string function_name = (itr == m_functions.end())
? Common::StringFromFormat("0x%08X", cmd_buff[0])
: itr->second.name;
LOG_ERROR(
Service, "unknown / unimplemented %s",
MakeFunctionString(function_name.c_str(), GetPortName().c_str(), cmd_buff).c_str());
// TODO(bunnei): Hack - ignore error
cmd_buff[1] = 0;
return;
}
LOG_TRACE(Service, "%s",
MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
itr->second.func(this);
}
void Interface::Register(const FunctionInfo* functions, size_t n) {
m_functions.reserve(n);
for (size_t i = 0; i < n; ++i) {
// Usually this array is sorted by id already, so hint to instead at the end
m_functions.emplace_hint(m_functions.cend(), functions[i].id, functions[i]);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
ServiceFrameworkBase::ServiceFrameworkBase(const char* service_name, u32 max_sessions,
@ -113,33 +80,38 @@ void ServiceFrameworkBase::RegisterHandlersBase(const FunctionInfoBase* function
}
}
void ServiceFrameworkBase::ReportUnimplementedFunction(u32* cmd_buf, const FunctionInfoBase* info) {
IPC::Header header{cmd_buf[0]};
int num_params = header.normal_params_size + header.translate_params_size;
void ServiceFrameworkBase::ReportUnimplementedFunction(Kernel::HLERequestContext& ctx, const FunctionInfoBase* info) {
auto cmd_buf = ctx.CommandBuffer();
std::string function_name = info == nullptr ? fmt::format("{:#08x}", cmd_buf[0]) : info->name;
fmt::MemoryWriter w;
w.write("function '{}': port='{}' cmd_buf={{[0]={:#x}", function_name, service_name,
cmd_buf[0]);
for (int i = 1; i <= num_params; ++i) {
for (int i = 1; i <= 8; ++i) {
w.write(", [{}]={:#x}", i, cmd_buf[i]);
}
w << '}';
LOG_ERROR(Service, "unknown / unimplemented %s", w.c_str());
// TODO(bunnei): Hack - ignore error
cmd_buf[1] = 0;
IPC::RequestBuilder rb{ ctx, 1 };
rb.Push(RESULT_SUCCESS);
}
void ServiceFrameworkBase::InvokeRequest(Kernel::HLERequestContext& ctx) {
auto itr = handlers.find(ctx.GetCommand());
const FunctionInfoBase* info = itr == handlers.end() ? nullptr : &itr->second;
if (info == nullptr || info->handler_callback == nullptr) {
return ReportUnimplementedFunction(ctx, info);
}
LOG_TRACE(Service, "%s",
MakeFunctionString(info->name, GetServiceName().c_str(), ctx.CommandBuffer()).c_str());
handler_invoker(this, info->handler_callback, ctx);
}
void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_session) {
u32* cmd_buf = Kernel::GetCommandBuffer();
u32 header_code = cmd_buf[0];
auto itr = handlers.find(header_code);
const FunctionInfoBase* info = itr == handlers.end() ? nullptr : &itr->second;
if (info == nullptr || info->handler_callback == nullptr) {
return ReportUnimplementedFunction(cmd_buf, info);
}
u32* cmd_buf = (u32*)Memory::GetPointer(Kernel::GetCurrentThread()->GetTLSAddress());;
// TODO(yuriks): The kernel should be the one handling this as part of translation after
// everything else is migrated
@ -147,9 +119,27 @@ void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_ses
context.PopulateFromIncomingCommandBuffer(cmd_buf, *Kernel::g_current_process,
Kernel::g_handle_table);
LOG_TRACE(Service, "%s",
MakeFunctionString(info->name, GetServiceName().c_str(), cmd_buf).c_str());
handler_invoker(this, info->handler_callback, context);
switch (context.GetCommandType()) {
case IPC::CommandType::Close:
{
IPC::RequestBuilder rb{context, 1};
rb.Push(RESULT_SUCCESS);
break;
}
case IPC::CommandType::Control:
{
SM::g_service_manager->InvokeControlRequest(context);
break;
}
case IPC::CommandType::Request:
{
InvokeRequest(context);
break;
}
default:
UNIMPLEMENTED_MSG("command_type=%d", context.GetCommandType());
}
context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
Kernel::g_handle_table);
}
@ -162,33 +152,14 @@ void AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
g_kernel_named_ports.emplace(std::move(name), std::move(port));
}
static void AddNamedPort(Interface* interface_) {
SharedPtr<ServerPort> server_port;
SharedPtr<ClientPort> client_port;
std::tie(server_port, client_port) =
ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName());
server_port->SetHleHandler(std::shared_ptr<Interface>(interface_));
AddNamedPort(interface_->GetPortName(), std::move(client_port));
}
void AddService(Interface* interface_) {
auto server_port =
SM::g_service_manager
->RegisterService(interface_->GetPortName(), interface_->GetMaxSessions())
.Unwrap();
server_port->SetHleHandler(std::shared_ptr<Interface>(interface_));
}
/// Initialize ServiceManager
void Init() {
SM::g_service_manager = std::make_shared<SM::ServiceManager>();
SM::ServiceManager::InstallInterfaces(SM::g_service_manager);
HID::Init();
LM::InstallInterfaces(*SM::g_service_manager);
AddService(new DSP_DSP::Interface);
AddService(new GSP::GSP_GPU);
HID::Init();
LOG_DEBUG(Service, "initialized OK");
}

84
src/core/hle/service/service.h
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@ -20,6 +20,7 @@ namespace Kernel {
class ClientPort;
class ServerPort;
class ServerSession;
class HLERequestContext;
}
namespace Service {
@ -32,83 +33,6 @@ static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 character
/// Arbitrary default number of maximum connections to an HLE service.
static const u32 DefaultMaxSessions = 10;
/**
* Framework for implementing HLE service handlers which dispatch incoming SyncRequests based on a
* table mapping header ids to handler functions.
*
* @deprecated Use ServiceFramework for new services instead. It allows services to be stateful and
* is more extensible going forward.
*/
class Interface : public Kernel::SessionRequestHandler {
public:
/**
* Creates an HLE interface with the specified max sessions.
* @param max_sessions Maximum number of sessions that can be
* connected to this service at the same time.
*/
Interface(u32 max_sessions = DefaultMaxSessions);
virtual ~Interface();
std::string GetName() const {
return GetPortName();
}
virtual void SetVersion(u32 raw_version) {
version.raw = raw_version;
}
/**
* Gets the maximum allowed number of sessions that can be connected to this service
* at the same time.
* @returns The maximum number of connections allowed.
*/
u32 GetMaxSessions() const {
return max_sessions;
}
typedef void (*Function)(Interface*);
struct FunctionInfo {
u32 id;
Function func;
const char* name;
};
/**
* Gets the string name used by CTROS for a service
* @return Port name of service
*/
virtual std::string GetPortName() const {
return "[UNKNOWN SERVICE PORT]";
}
protected:
void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
/**
* Registers the functions in the service
*/
template <size_t N>
inline void Register(const FunctionInfo (&functions)[N]) {
Register(functions, N);
}
void Register(const FunctionInfo* functions, size_t n);
union {
u32 raw;
BitField<0, 8, u32> major;
BitField<8, 8, u32> minor;
BitField<16, 8, u32> build;
BitField<24, 8, u32> revision;
} version = {};
private:
u32 max_sessions; ///< Maximum number of concurrent sessions that this service can handle.
boost::container::flat_map<u32, FunctionInfo> m_functions;
};
/**
* This is an non-templated base of ServiceFramework to reduce code bloat and compilation times, it
* is not meant to be used directly.
@ -135,6 +59,8 @@ public:
/// Creates a port pair and registers it on the kernel's global port registry.
void InstallAsNamedPort();
void InvokeRequest(Kernel::HLERequestContext& ctx);
void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
protected:
@ -159,7 +85,7 @@ private:
~ServiceFrameworkBase();
void RegisterHandlersBase(const FunctionInfoBase* functions, size_t n);
void ReportUnimplementedFunction(u32* cmd_buf, const FunctionInfoBase* info);
void ReportUnimplementedFunction(Kernel::HLERequestContext& ctx, const FunctionInfoBase* info);
/// Identifier string used to connect to the service.
std::string service_name;
@ -260,7 +186,5 @@ extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_
/// Adds a port to the named port table
void AddNamedPort(std::string name, Kernel::SharedPtr<Kernel::ClientPort> port);
/// Adds a service to the services table
void AddService(Interface* interface_);
} // namespace

42
src/core/hle/service/sm/controller.cpp Normal file
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@ -0,0 +1,42 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/service/sm/controller.h"
namespace Service {
namespace SM {
/**
* Controller::QueryPointerBufferSize service function
* Inputs:
* 0: 0x00000003
* Outputs:
* 1: ResultCode
* 3: Size of memory
*/
void Controller::QueryPointerBufferSize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
rb.Push(0x0U);
rb.Push(0x500U);
LOG_WARNING(Service, "(STUBBED) called");
}
Controller::Controller() : ServiceFramework("IpcController") {
static const FunctionInfo functions[] = {
{0x00000000, nullptr, "ConvertSessionToDomain"},
{0x00000001, nullptr, "ConvertDomainToSession"},
{0x00000002, nullptr, "DuplicateSession"},
{0x00000003, &Controller::QueryPointerBufferSize, "QueryPointerBufferSize"},
{0x00000004, nullptr, "DuplicateSessionEx"},
};
RegisterHandlers(functions);
}
Controller::~Controller() = default;
} // namespace SM
} // namespace Service

22
src/core/hle/service/sm/controller.h Normal file
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@ -0,0 +1,22 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace SM {
class Controller final : public ServiceFramework<Controller> {
public:
explicit Controller();
~Controller();
private:
void QueryPointerBufferSize(Kernel::HLERequestContext& ctx);
};
} // namespace SM
} // namespace Service

91
src/core/hle/service/sm/sm.cpp
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@ -4,16 +4,21 @@
#include <tuple>
#include "common/assert.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/result.h"
#include "core/hle/service/sm/controller.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
namespace Service {
namespace SM {
void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
controller_interface->InvokeRequest(context);
}
static ResultCode ValidateServiceName(const std::string& name) {
if (name.size() <= 0 || name.size() > 8) {
return ERR_INVALID_NAME_SIZE;
@ -25,11 +30,12 @@ static ResultCode ValidateServiceName(const std::string& name) {
}
void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self) {
ASSERT(self->srv_interface.expired());
ASSERT(self->sm_interface.expired());
auto srv = std::make_shared<SRV>(self);
srv->InstallAsNamedPort();
self->srv_interface = srv;
auto sm = std::make_shared<SM>(self);
sm->InstallAsNamedPort();
self->sm_interface = sm;
self->controller_interface = std::make_unique<Controller>();
}
ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService(
@ -69,5 +75,80 @@ ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ServiceManager::ConnectToSer
std::shared_ptr<ServiceManager> g_service_manager;
/**
* SM::Initialize service function
* Inputs:
* 0: 0x00000000
* Outputs:
* 1: ResultCode
*/
void SM::Initialize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 1};
rb.Push(RESULT_SUCCESS);
LOG_DEBUG(Service_SM, "called");
}
/**
* SM::GetServiceHandle service function
* Inputs:
* 0: 0x00000001
* 1: Unknown
* 2: Unknown
* 3-4: 8-byte UTF-8 service name
* Outputs:
* 1: ResultCode
* 3: Service handle
*/
void SM::GetService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 unk1 = rp.Pop<u32>();
u32 unk2 = rp.Pop<u32>();
auto name_buf = rp.PopRaw<std::array<char, 6>>();
std::string name(name_buf.data());
// TODO(yuriks): Permission checks go here
auto client_port = service_manager->GetServicePort(name);
if (client_port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0, 0);
rb.Push(client_port.Code());
LOG_ERROR(Service_SM, "called service=%s -> error 0x%08X", name.c_str(),
client_port.Code().raw);
return;
}
auto session = client_port.Unwrap()->Connect();
if (session.Succeeded()) {
LOG_DEBUG(Service_SM, "called service=%s -> session=%u", name.c_str(),
(*session)->GetObjectId());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0, 1);
rb.Push(session.Code());
rb.PushObjects(std::move(session).Unwrap());
} else if (session.Code() == Kernel::ERR_MAX_CONNECTIONS_REACHED /*&& return_port_on_failure*/) {
LOG_WARNING(Service_SM, "called service=%s -> ERR_MAX_CONNECTIONS_REACHED, *port*=%u",
name.c_str(), (*client_port)->GetObjectId());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0, 1);
rb.Push(ERR_MAX_CONNECTIONS_REACHED);
rb.PushObjects(std::move(client_port).Unwrap());
} else {
LOG_ERROR(Service_SM, "called service=%s -> error 0x%08X", name.c_str(), session.Code());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0, 0);
rb.Push(session.Code());
}
}
SM::SM(std::shared_ptr<ServiceManager> service_manager)
: ServiceFramework("sm:", 4), service_manager(std::move(service_manager)) {
static const FunctionInfo functions[] = {
{0x00000000, &SM::Initialize, "Initialize"},
{0x00000001, &SM::GetService, "GetService"},
{0x00000002, nullptr, "RegisterService"},
{0x00000003, nullptr, "UnregisterService"},
};
RegisterHandlers(functions);
}
SM::~SM() = default;
} // namespace SM
} // namespace Service

20
src/core/hle/service/sm/sm.h
View file

@ -20,7 +20,20 @@ class SessionRequestHandler;
namespace Service {
namespace SM {
class SRV;
/// Interface to "sm:" service
class SM final : public ServiceFramework<SM> {
public:
explicit SM(std::shared_ptr<ServiceManager> service_manager);
~SM();
private:
void Initialize(Kernel::HLERequestContext& ctx);
void GetService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager;
};
class Controller;
constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(1, ErrorModule::SRV, ErrorSummary::WouldBlock,
ErrorLevel::Temporary); // 0xD0406401
@ -45,8 +58,11 @@ public:
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> GetServicePort(const std::string& name);
ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ConnectToService(const std::string& name);
void InvokeControlRequest(Kernel::HLERequestContext& context);
private:
std::weak_ptr<SRV> srv_interface;
std::weak_ptr<SM> sm_interface;
std::unique_ptr<Controller> controller_interface;
/// Map of registered services, retrieved using GetServicePort or ConnectToService.
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> registered_services;

235
src/core/hle/service/sm/srv.cpp
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@ -1,235 +0,0 @@
// 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/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
namespace Service {
namespace SM {
constexpr int MAX_PENDING_NOTIFICATIONS = 16;
/**
* SRV::RegisterClient service function
* Inputs:
* 0: 0x00010002
* 1: ProcessId Header (must be 0x20)
* Outputs:
* 0: 0x00010040
* 1: ResultCode
*/
void SRV::RegisterClient(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x1, 0, 2);
u32 pid_descriptor = rp.Pop<u32>();
if (pid_descriptor != IPC::CallingPidDesc()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(IPC::ERR_INVALID_BUFFER_DESCRIPTOR);
return;
}
u32 caller_pid = rp.Pop<u32>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
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
*/
void SRV::EnableNotification(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x2, 0, 0);
notification_semaphore =
Kernel::Semaphore::Create(0, MAX_PENDING_NOTIFICATIONS, 0, "SRV:Notification").Unwrap();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushObjects(notification_semaphore);
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
*/
void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x5, 4, 0);
auto name_buf = rp.PopRaw<std::array<char, 8>>();
size_t name_len = rp.Pop<u32>();
u32 flags = rp.Pop<u32>();
bool return_port_on_failure = (flags & 1) == 0;
if (name_len > Service::kMaxPortSize) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ERR_INVALID_NAME_SIZE);
LOG_ERROR(Service_SRV, "called name_len=0x%X -> ERR_INVALID_NAME_SIZE", name_len);
return;
}
std::string name(name_buf.data(), name_len);
// TODO(yuriks): Permission checks go here
auto client_port = service_manager->GetServicePort(name);
if (client_port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(client_port.Code());
LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(),
client_port.Code().raw);
return;
}
auto session = client_port.Unwrap()->Connect();
if (session.Succeeded()) {
LOG_DEBUG(Service_SRV, "called service=%s -> session=%u", name.c_str(),
(*session)->GetObjectId());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(session.Code());
rb.PushObjects(std::move(session).Unwrap());
} else if (session.Code() == Kernel::ERR_MAX_CONNECTIONS_REACHED && return_port_on_failure) {
LOG_WARNING(Service_SRV, "called service=%s -> ERR_MAX_CONNECTIONS_REACHED, *port*=%u",
name.c_str(), (*client_port)->GetObjectId());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(ERR_MAX_CONNECTIONS_REACHED);
rb.PushObjects(std::move(client_port).Unwrap());
} else {
LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), session.Code());
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(session.Code());
}
}
/**
* SRV::Subscribe service function
* Inputs:
* 0: 0x00090040
* 1: Notification ID
* Outputs:
* 0: 0x00090040
* 1: ResultCode
*/
void SRV::Subscribe(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x9, 1, 0);
u32 notification_id = rp.Pop<u32>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
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
*/
void SRV::Unsubscribe(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0xA, 1, 0);
u32 notification_id = rp.Pop<u32>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
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
*/
void SRV::PublishToSubscriber(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0xC, 2, 0);
u32 notification_id = rp.Pop<u32>();
u8 flags = rp.Pop<u8>();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X, flags=%u", notification_id,
flags);
}
void SRV::RegisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x3, 4, 0);
auto name_buf = rp.PopRaw<std::array<char, 8>>();
size_t name_len = rp.Pop<u32>();
u32 max_sessions = rp.Pop<u32>();
std::string name(name_buf.data(), std::min(name_len, name_buf.size()));
auto port = service_manager->RegisterService(name, max_sessions);
if (port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(port.Code());
LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), port.Code().raw);
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushObjects(port.Unwrap());
}
SRV::SRV(std::shared_ptr<ServiceManager> service_manager)
: ServiceFramework("srv:", 4), service_manager(std::move(service_manager)) {
static const FunctionInfo functions[] = {
{0x00010002, &SRV::RegisterClient, "RegisterClient"},
{0x00020000, &SRV::EnableNotification, "EnableNotification"},
{0x00030100, &SRV::RegisterService, "RegisterService"},
{0x000400C0, nullptr, "UnregisterService"},
{0x00050100, &SRV::GetServiceHandle, "GetServiceHandle"},
{0x000600C2, nullptr, "RegisterPort"},
{0x000700C0, nullptr, "UnregisterPort"},
{0x00080100, nullptr, "GetPort"},
{0x00090040, &SRV::Subscribe, "Subscribe"},
{0x000A0040, &SRV::Unsubscribe, "Unsubscribe"},
{0x000B0000, nullptr, "ReceiveNotification"},
{0x000C0080, &SRV::PublishToSubscriber, "PublishToSubscriber"},
{0x000D0040, nullptr, "PublishAndGetSubscriber"},
{0x000E00C0, nullptr, "IsServiceRegistered"},
};
RegisterHandlers(functions);
}
SRV::~SRV() = default;
} // namespace SM
} // namespace Service

38
src/core/hle/service/sm/srv.h
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@ -1,38 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/service.h"
namespace Kernel {
class HLERequestContext;
class Semaphore;
}
namespace Service {
namespace SM {
/// Interface to "srv:" service
class SRV final : public ServiceFramework<SRV> {
public:
explicit SRV(std::shared_ptr<ServiceManager> service_manager);
~SRV();
private:
void RegisterClient(Kernel::HLERequestContext& ctx);
void EnableNotification(Kernel::HLERequestContext& ctx);
void GetServiceHandle(Kernel::HLERequestContext& ctx);
void Subscribe(Kernel::HLERequestContext& ctx);
void Unsubscribe(Kernel::HLERequestContext& ctx);
void PublishToSubscriber(Kernel::HLERequestContext& ctx);
void RegisterService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager;
Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
};
} // namespace SM
} // namespace Service