Service/sm: Convert 'srv:' to ServiceFramework

src/core/hle/service/service.cpp

@@ -206,8 +206,9 @@ void AddService(Interface* interface_) {
 
 /// Initialize ServiceManager
 void Init() {
-    SM::g_service_manager = std::make_unique<SM::ServiceManager>();
-    AddNamedPort(new SM::SRV);
+    SM::g_service_manager = std::make_shared<SM::ServiceManager>();
+    SM::ServiceManager::InstallInterfaces(SM::g_service_manager);
+
     AddNamedPort(new ERR::ERR_F);
 
     FS::ArchiveInit();

src/core/hle/service/sm/sm.cpp

@@ -3,11 +3,13 @@
 // Refer to the license.txt file included.
 
 #include <tuple>
+#include "common/assert.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/sm.h"
+#include "core/hle/service/sm/srv.h"
 
 namespace Service {
 namespace SM {
@@ -22,6 +24,14 @@ static ResultCode ValidateServiceName(const std::string& name) {
     return RESULT_SUCCESS;
 }
 
+void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self) {
+    ASSERT(self->srv_interface.expired());
+
+    auto srv = std::make_shared<SRV>(self);
+    srv->InstallAsNamedPort();
+    self->srv_interface = srv;
+}
+
 ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService(
     std::string name, unsigned int max_sessions) {
 
@@ -30,7 +40,7 @@ ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService
     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));
+    registered_services.emplace(std::move(name), std::move(client_port));
     return MakeResult<Kernel::SharedPtr<Kernel::ServerPort>>(std::move(server_port));
 }
 
@@ -53,7 +63,7 @@ ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ServiceManager::ConnectToSer
     return client_port->Connect();
 }
 
-std::unique_ptr<ServiceManager> g_service_manager;
+std::shared_ptr<ServiceManager> g_service_manager;
 
 } // namespace SM
 } // namespace Service

src/core/hle/service/sm/sm.h

@@ -20,6 +20,8 @@ class SessionRequestHandler;
 namespace Service {
 namespace SM {
 
+class SRV;
+
 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,
@@ -33,17 +35,21 @@ constexpr ResultCode ERR_NAME_CONTAINS_NUL(7, ErrorModule::SRV, ErrorSummary::Wr
 
 class ServiceManager {
 public:
+    static void InstallInterfaces(std::shared_ptr<ServiceManager> self);
+
     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::weak_ptr<SRV> srv_interface;
+
+    /// Map of registered services, retrieved using GetServicePort or ConnectToService.
     std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> registered_services;
 };
 
-extern std::unique_ptr<ServiceManager> g_service_manager;
+extern std::shared_ptr<ServiceManager> g_service_manager;
 
 } // namespace SM
 } // namespace Service

src/core/hle/service/sm/srv.cpp

@@ -20,8 +20,6 @@ namespace SM {
 
 constexpr int MAX_PENDING_NOTIFICATIONS = 16;
 
-static Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
-
 /**
  * SRV::RegisterClient service function
  *  Inputs:
@@ -31,8 +29,8 @@ static Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
  *      0: 0x00010040
  *      1: ResultCode
  */
-static void RegisterClient(Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+void SRV::RegisterClient(Kernel::HLERequestContext& ctx) {
+    u32* cmd_buff = ctx.CommandBuffer();
 
     if (cmd_buff[1] != IPC::CallingPidDesc()) {
         cmd_buff[0] = IPC::MakeHeader(0x0, 0x1, 0); // 0x40
@@ -54,8 +52,8 @@ static void RegisterClient(Interface* self) {
  *      2: Translation descriptor: 0x20
  *      3: Handle to semaphore signaled on process notification
  */
-static void EnableNotification(Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+void SRV::EnableNotification(Kernel::HLERequestContext& ctx) {
+    u32* cmd_buff = ctx.CommandBuffer();
 
     notification_semaphore =
         Kernel::Semaphore::Create(0, MAX_PENDING_NOTIFICATIONS, "SRV:Notification").Unwrap();
@@ -78,9 +76,9 @@ static void EnableNotification(Interface* self) {
  *      1: ResultCode
  *      3: Service handle
  */
-static void GetServiceHandle(Interface* self) {
+void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) {
     ResultCode res = RESULT_SUCCESS;
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32* cmd_buff = ctx.CommandBuffer();
 
     size_t name_len = cmd_buff[3];
     if (name_len > Service::kMaxPortSize) {
@@ -94,7 +92,7 @@ static void GetServiceHandle(Interface* self) {
 
     // TODO(yuriks): Permission checks go here
 
-    auto client_port = g_service_manager->GetServicePort(name);
+    auto client_port = 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(),
@@ -128,8 +126,8 @@ static void GetServiceHandle(Interface* self) {
  *      0: 0x00090040
  *      1: ResultCode
  */
-static void Subscribe(Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+void SRV::Subscribe(Kernel::HLERequestContext& ctx) {
+    u32* cmd_buff = ctx.CommandBuffer();
 
     u32 notification_id = cmd_buff[1];
 
@@ -147,8 +145,8 @@ static void Subscribe(Interface* self) {
  *      0: 0x000A0040
  *      1: ResultCode
  */
-static void Unsubscribe(Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+void SRV::Unsubscribe(Kernel::HLERequestContext& ctx) {
+    u32* cmd_buff = ctx.CommandBuffer();
 
     u32 notification_id = cmd_buff[1];
 
@@ -167,8 +165,8 @@ static void Unsubscribe(Interface* self) {
  *      0: 0x000C0040
  *      1: ResultCode
  */
-static void PublishToSubscriber(Interface* self) {
-    u32* cmd_buff = Kernel::GetCommandBuffer();
+void SRV::PublishToSubscriber(Kernel::HLERequestContext& ctx) {
+    u32* cmd_buff = ctx.CommandBuffer();
 
     u32 notification_id = cmd_buff[1];
     u8 flags = cmd_buff[2] & 0xFF;
@@ -179,31 +177,28 @@ static void PublishToSubscriber(Interface* self) {
                 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"},
-};
-
-SRV::SRV() {
-    Register(FunctionTable);
-    notification_semaphore = nullptr;
+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, nullptr, "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() {
-    notification_semaphore = nullptr;
-}
+SRV::~SRV() = default;
 
 } // namespace SM
 } // namespace Service

src/core/hle/service/sm/srv.h

@@ -4,21 +4,33 @@
 
 #pragma once
 
-#include <string>
+#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 Interface {
+class SRV final : public ServiceFramework<SRV> {
 public:
-    SRV();
-    ~SRV() override;
+    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);
 
-    std::string GetPortName() const override {
-        return "srv:";
-    }
+    std::shared_ptr<ServiceManager> service_manager;
+    Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
 };
 
 } // namespace SM