Start to implement/stub BSD:U and SFDNSRES services (#78)

* bsd: start stubbing bsd:u and sfdnsres

* bsd: stubbed RegisterClient

* bsd: attempt to get past socket()

* bsd: fix some wrong assumptions about IPC

* bsd: fix format specifiers

* bsd: stubbed Connect()

* bsd: stubbed SendTo()

* made requested changes

* sockets: respect alphabetical order at service installation

* run clang-format

* bsd: start stubbing bsd:u and sfdnsres

* bsd: stubbed RegisterClient

* bsd: attempt to get past socket()

* bsd: fix some wrong assumptions about IPC

* bsd: fix format specifiers

* bsd: stubbed Connect()

* bsd: stubbed SendTo()

* made requested changes

* sockets: respect alphabetical order at service installation

* run clang-format

* run clang-format (2)

src/core/CMakeLists.txt

@@ -128,6 +128,11 @@ add_library(core STATIC
     hle/service/sm/controller.h
     hle/service/sm/sm.cpp
     hle/service/sm/sm.h
+    hle/service/sockets/bsd_u.cpp
+    hle/service/sockets/bsd_u.h
+    hle/service/sockets/sfdnsres.h
+    hle/service/sockets/sockets.cpp
+    hle/service/sockets/sockets.h
     hle/service/time/time.cpp
     hle/service/time/time.h
     hle/service/vi/vi.cpp

src/core/hle/service/service.cpp

@@ -26,6 +26,7 @@
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/controller.h"
 #include "core/hle/service/sm/sm.h"
+#include "core/hle/service/sockets/sockets.h"
 #include "core/hle/service/time/time.h"
 #include "core/hle/service/vi/vi.h"
 
@@ -174,6 +175,7 @@ void Init() {
     LM::InstallInterfaces(*SM::g_service_manager);
     Nvidia::InstallInterfaces(*SM::g_service_manager);
     PCTL::InstallInterfaces(*SM::g_service_manager);
+    Sockets::InstallInterfaces(*SM::g_service_manager);
     Time::InstallInterfaces(*SM::g_service_manager);
     VI::InstallInterfaces(*SM::g_service_manager);
 

src/core/hle/service/sockets/bsd_u.cpp

@@ -0,0 +1,67 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/sockets/bsd_u.h"
+
+namespace Service {
+namespace Sockets {
+
+void BSD_U::RegisterClient(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::RequestBuilder rb{ctx, 3};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // bsd errno
+}
+
+void BSD_U::Socket(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    u32 domain = rp.Pop<u32>();
+    u32 type = rp.Pop<u32>();
+    u32 protocol = rp.Pop<u32>();
+
+    LOG_WARNING(Service, "(STUBBED) called domain=%u type=%u protocol=%u", domain, type, protocol);
+
+    u32 fd = next_fd++;
+
+    IPC::RequestBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(fd);
+    rb.Push<u32>(0); // bsd errno
+}
+
+void BSD_U::Connect(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::RequestBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
+void BSD_U::SendTo(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::RequestBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
+BSD_U::BSD_U() : ServiceFramework("bsd:u") {
+    static const FunctionInfo functions[] = {{0, &BSD_U::RegisterClient, "RegisterClient"},
+                                             {2, &BSD_U::Socket, "Socket"},
+                                             {11, &BSD_U::SendTo, "SendTo"},
+                                             {14, &BSD_U::Connect, "Connect"}};
+    RegisterHandlers(functions);
+}
+
+} // namespace Sockets
+} // namespace Service

src/core/hle/service/sockets/bsd_u.h

@@ -0,0 +1,29 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Sockets {
+
+class BSD_U final : public ServiceFramework<BSD_U> {
+public:
+    BSD_U();
+    ~BSD_U() = default;
+
+private:
+    void RegisterClient(Kernel::HLERequestContext& ctx);
+    void Socket(Kernel::HLERequestContext& ctx);
+    void Connect(Kernel::HLERequestContext& ctx);
+    void SendTo(Kernel::HLERequestContext& ctx);
+
+    /// Id to use for the next open file descriptor.
+    u32 next_fd = 1;
+};
+
+} // namespace Sockets
+} // namespace Service

src/core/hle/service/sockets/sfdnsres.h

@@ -0,0 +1,22 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace Sockets {
+
+class SFDNSRES final : public ServiceFramework<SFDNSRES> {
+public:
+    SFDNSRES() : ServiceFramework("sfdnsres") {}
+    ~SFDNSRES() = default;
+
+private:
+};
+
+} // namespace Sockets
+} // namespace Service

src/core/hle/service/sockets/sockets.cpp

@@ -0,0 +1,18 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/sockets/bsd_u.h"
+#include "core/hle/service/sockets/sfdnsres.h"
+#include "core/hle/service/sockets/sockets.h"
+
+namespace Service {
+namespace Sockets {
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<BSD_U>()->InstallAsService(service_manager);
+    std::make_shared<SFDNSRES>()->InstallAsService(service_manager);
+}
+
+} // namespace Sockets
+} // namespace Service

src/core/hle/service/sockets/sockets.h

@@ -0,0 +1,16 @@
+// Copyright 2018 yuzu emulator team
+// 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 Sockets {
+
+/// Registers all Sockets services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
+} // namespace Sockets
+} // namespace Service