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Merge pull request #2754 from yuriks/sm-impl 

Handle service registrations using sm/srv
This commit is contained in:
Yuri Kunde Schlesner 2017-06-06 14:04:11 -07:00 committed by GitHub
parent fc1bd06192 23ec6b3d8f
commit b242f1c5dd
7 changed files with 170 additions and 45 deletions
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6
src/core/CMakeLists.txt
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@ -156,8 +156,9 @@ set(SRCS
hle/service/qtm/qtm_sp.cpp
hle/service/qtm/qtm_u.cpp
hle/service/service.cpp
hle/service/sm/sm.cpp
hle/service/sm/srv.cpp
hle/service/soc_u.cpp
hle/service/srv.cpp
hle/service/ssl_c.cpp
hle/service/y2r_u.cpp
hle/shared_page.cpp
@ -352,8 +353,9 @@ set(HEADERS
hle/service/qtm/qtm_sp.h
hle/service/qtm/qtm_u.h
hle/service/service.h
hle/service/sm/sm.h
hle/service/sm/srv.h
hle/service/soc_u.h
hle/service/srv.h
hle/service/ssl_c.h
hle/service/y2r_u.h
hle/shared_page.h

19
src/core/hle/service/service.cpp
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@ -38,15 +38,15 @@
#include "core/hle/service/ptm/ptm.h"
#include "core/hle/service/qtm/qtm.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
#include "core/hle/service/soc_u.h"
#include "core/hle/service/srv.h"
#include "core/hle/service/ssl_c.h"
#include "core/hle/service/y2r_u.h"
namespace Service {
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
/**
* Creates a function string for logging, complete with the name (or header code, depending
@ -115,18 +115,17 @@ static void AddNamedPort(Interface* interface_) {
}
void AddService(Interface* interface_) {
Kernel::SharedPtr<Kernel::ServerPort> server_port;
Kernel::SharedPtr<Kernel::ClientPort> client_port;
std::tie(server_port, client_port) =
Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName());
auto server_port =
SM::g_service_manager
->RegisterService(interface_->GetPortName(), interface_->GetMaxSessions())
.MoveFrom();
server_port->SetHleHandler(std::shared_ptr<Interface>(interface_));
g_srv_services.emplace(interface_->GetPortName(), std::move(client_port));
}
/// Initialize ServiceManager
void Init() {
AddNamedPort(new SRV::SRV);
SM::g_service_manager = std::make_unique<SM::ServiceManager>();
AddNamedPort(new SM::SRV);
AddNamedPort(new ERR::ERR_F);
FS::ArchiveInit();
@ -187,7 +186,7 @@ void Shutdown() {
AC::Shutdown();
FS::ArchiveShutdown();
g_srv_services.clear();
SM::g_service_manager = nullptr;
g_kernel_named_ports.clear();
LOG_DEBUG(Service, "shutdown OK");
}

2
src/core/hle/service/service.h
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@ -107,8 +107,6 @@ void Shutdown();
/// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC.
extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
/// Adds a service to the services table
void AddService(Interface* interface_);

58
src/core/hle/service/sm/sm.cpp Normal file
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@ -0,0 +1,58 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/result.h"
#include "core/hle/service/sm/sm.h"
namespace Service {
namespace SM {
static ResultCode ValidateServiceName(const std::string& name) {
if (name.size() <= 0 || name.size() > 8) {
return ERR_INVALID_NAME_SIZE;
}
if (name.find('\0') != std::string::npos) {
return ERR_NAME_CONTAINS_NUL;
}
return RESULT_SUCCESS;
}
ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService(
std::string name, unsigned int max_sessions) {
CASCADE_CODE(ValidateServiceName(name));
Kernel::SharedPtr<Kernel::ServerPort> server_port;
Kernel::SharedPtr<Kernel::ClientPort> client_port;
std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name);
registered_services.emplace(name, std::move(client_port));
return MakeResult<Kernel::SharedPtr<Kernel::ServerPort>>(std::move(server_port));
}
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> ServiceManager::GetServicePort(
const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
auto it = registered_services.find(name);
if (it == registered_services.end()) {
return ERR_SERVICE_NOT_REGISTERED;
}
return MakeResult<Kernel::SharedPtr<Kernel::ClientPort>>(it->second);
}
ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ServiceManager::ConnectToService(
const std::string& name) {
CASCADE_RESULT(auto client_port, GetServicePort(name));
return client_port->Connect();
}
std::unique_ptr<ServiceManager> g_service_manager;
} // namespace SM
} // namespace Service

49
src/core/hle/service/sm/sm.h Normal file
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@ -0,0 +1,49 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <unordered_map>
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
namespace Kernel {
class ClientPort;
class ClientSession;
class ServerPort;
class SessionRequestHandler;
} // namespace Kernel
namespace Service {
namespace SM {
constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(1, ErrorModule::SRV, ErrorSummary::WouldBlock,
ErrorLevel::Temporary); // 0xD0406401
constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(2, ErrorModule::SRV, ErrorSummary::WouldBlock,
ErrorLevel::Temporary); // 0xD0406402
constexpr ResultCode ERR_INVALID_NAME_SIZE(5, ErrorModule::SRV, ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9006405
constexpr ResultCode ERR_ACCESS_DENIED(6, ErrorModule::SRV, ErrorSummary::InvalidArgument,
ErrorLevel::Permanent); // 0xD8E06406
constexpr ResultCode ERR_NAME_CONTAINS_NUL(7, ErrorModule::SRV, ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9006407
class ServiceManager {
public:
ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> RegisterService(std::string name,
unsigned int max_sessions);
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> GetServicePort(const std::string& name);
ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ConnectToService(const std::string& name);
private:
/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> registered_services;
};
extern std::unique_ptr<ServiceManager> g_service_manager;
} // namespace SM
} // namespace Service

76
src/core/hle/service/srv.cpp → src/core/hle/service/sm/srv.cpp
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@ -7,14 +7,17 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/service/srv.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
namespace Service {
namespace SRV {
namespace SM {
static Kernel::SharedPtr<Kernel::Event> event_handle;
constexpr int MAX_PENDING_NOTIFICATIONS = 16;
static Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
/**
* SRV::RegisterClient service function
@ -51,14 +54,13 @@ static void RegisterClient(Interface* self) {
static void EnableNotification(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();
notification_semaphore =
Kernel::Semaphore::Create(0, MAX_PENDING_NOTIFICATIONS, "SRV:Notification").Unwrap();
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();
cmd_buff[3] = Kernel::g_handle_table.Create(notification_semaphore).MoveFrom();
LOG_WARNING(Service_SRV, "(STUBBED) called");
}
@ -77,25 +79,41 @@ static void GetServiceHandle(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 = it->second;
auto client_session = client_port->Connect();
res = client_session.Code();
if (client_session.Succeeded()) {
// 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);
size_t name_len = cmd_buff[3];
if (name_len > Service::kMaxPortSize) {
cmd_buff[1] = ERR_INVALID_NAME_SIZE.raw;
LOG_ERROR(Service_SRV, "called name_len=0x%X, failed with code=0x%08X", name_len,
cmd_buff[1]);
return;
}
std::string name(reinterpret_cast<const char*>(&cmd_buff[1]), name_len);
bool return_port_on_failure = (cmd_buff[4] & 1) == 0;
// TODO(yuriks): Permission checks go here
auto client_port = g_service_manager->GetServicePort(name);
if (client_port.Failed()) {
cmd_buff[1] = client_port.Code().raw;
LOG_ERROR(Service_SRV, "called service=%s, failed with code=0x%08X", name.c_str(),
cmd_buff[1]);
return;
}
auto session = client_port.Unwrap()->Connect();
cmd_buff[1] = session.Code().raw;
if (session.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(session.MoveFrom()).MoveFrom();
LOG_DEBUG(Service_SRV, "called service=%s, session handle=0x%08X", name.c_str(),
cmd_buff[3]);
} else if (session.Code() == Kernel::ERR_MAX_CONNECTIONS_REACHED && return_port_on_failure) {
cmd_buff[1] = ERR_MAX_CONNECTIONS_REACHED.raw;
cmd_buff[3] = Kernel::g_handle_table.Create(client_port.MoveFrom()).MoveFrom();
LOG_WARNING(Service_SRV, "called service=%s, *port* handle=0x%08X", name.c_str(),
cmd_buff[3]);
} else {
LOG_ERROR(Service_SRV, "called service=%s, failed with code=0x%08X", name.c_str(),
cmd_buff[1]);
}
cmd_buff[1] = res.raw;
}
/**
@ -177,12 +195,12 @@ const Interface::FunctionInfo FunctionTable[] = {
SRV::SRV() {
Register(FunctionTable);
event_handle = nullptr;
notification_semaphore = nullptr;
}
SRV::~SRV() {
event_handle = nullptr;
notification_semaphore = nullptr;
}
} // namespace SRV
} // namespace SM
} // namespace Service

5
src/core/hle/service/srv.h → src/core/hle/service/sm/srv.h
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@ -4,10 +4,11 @@
#pragma once
#include <string>
#include "core/hle/service/service.h"
namespace Service {
namespace SRV {
namespace SM {
/// Interface to "srv:" service
class SRV final : public Interface {
@ -20,5 +21,5 @@ public:
}
};
} // namespace SRV
} // namespace SM
} // namespace Service