6 files changed, 437 insertions, 0 deletions

diff --git a/src/core/hle/service/ac/ac.cpp b/src/core/hle/service/ac/ac.cpp
new file mode 100644
index 000000000..aa270a2c3
--- /dev/null
+++ b/src/core/hle/service/ac/ac.cpp
@@ -0,0 +1,181 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+
+#include "common/logging/log.h"
+#include "core/hle/kernel/event.h"
+#include "core/hle/service/ac/ac.h"
+#include "core/hle/service/ac/ac_i.h"
+#include "core/hle/service/ac/ac_u.h"
+
+namespace Service {
+namespace AC {
+
+struct ACConfig {
+    std::array<u8, 0x200> data;
+};
+
+static ACConfig default_config{};
+
+static bool ac_connected = false;
+
+static Kernel::SharedPtr<Kernel::Event> close_event;
+static Kernel::SharedPtr<Kernel::Event> connect_event;
+static Kernel::SharedPtr<Kernel::Event> disconnect_event;
+
+void CreateDefaultConfig(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    u32 ac_config_addr = cmd_buff[65];
+
+    ASSERT_MSG(cmd_buff[64] == (sizeof(ACConfig) << 14 | 2),
+               "Output buffer size not equal ACConfig size");
+
+    Memory::WriteBlock(ac_config_addr, &default_config, sizeof(ACConfig));
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void ConnectAsync(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    connect_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
+    if (connect_event) {
+        connect_event->name = "AC:connect_event";
+        connect_event->Signal();
+        ac_connected = true;
+    }
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void GetConnectResult(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void CloseAsync(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    if (ac_connected && disconnect_event) {
+        disconnect_event->Signal();
+    }
+
+    close_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
+    if (close_event) {
+        close_event->name = "AC:close_event";
+        close_event->Signal();
+    }
+
+    ac_connected = false;
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void GetCloseResult(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void GetWifiStatus(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    // TODO(purpasmart96): This function is only a stub,
+    // it returns a valid result without implementing full functionality.
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;                  // Connection type set to none
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void GetInfraPriority(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;                  // Infra Priority, default 0
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void SetRequestEulaVersion(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    u32 major = cmd_buff[1] & 0xFF;
+    u32 minor = cmd_buff[2] & 0xFF;
+
+    ASSERT_MSG(cmd_buff[3] == (sizeof(ACConfig) << 14 | 2),
+               "Input buffer size not equal ACConfig size");
+    ASSERT_MSG(cmd_buff[64] == (sizeof(ACConfig) << 14 | 2),
+               "Output buffer size not equal ACConfig size");
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;                  // Infra Priority
+
+    LOG_WARNING(Service_AC, "(STUBBED) called, major=%u, minor=%u", major, minor);
+}
+
+void RegisterDisconnectEvent(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    disconnect_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
+    if (disconnect_event) {
+        disconnect_event->name = "AC:disconnect_event";
+    }
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void IsConnected(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = ac_connected;
+
+    LOG_WARNING(Service_AC, "(STUBBED) called");
+}
+
+void SetClientVersion(Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    const u32 version = cmd_buff[1];
+    self->SetVersion(version);
+
+    LOG_WARNING(Service_AC, "(STUBBED) called, version: 0x%08X", version);
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+}
+
+void Init() {
+    AddService(new AC_I);
+    AddService(new AC_U);
+
+    ac_connected = false;
+
+    close_event = nullptr;
+    connect_event = nullptr;
+    disconnect_event = nullptr;
+}
+
+void Shutdown() {
+    ac_connected = false;
+
+    close_event = nullptr;
+    connect_event = nullptr;
+    disconnect_event = nullptr;
+}
+
+} // namespace AC
+} // namespace Service
diff --git a/src/core/hle/service/ac/ac.h b/src/core/hle/service/ac/ac.h
new file mode 100644
index 000000000..6185faf9b
--- /dev/null
+++ b/src/core/hle/service/ac/ac.h
@@ -0,0 +1,134 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service {
+
+class Interface;
+
+namespace AC {
+
+/**
+ * AC::CreateDefaultConfig service function
+ *  Inputs:
+ *      64 : ACConfig size << 14 | 2
+ *      65 : pointer to ACConfig struct
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void CreateDefaultConfig(Interface* self);
+
+/**
+ * AC::ConnectAsync service function
+ *  Inputs:
+ *      1 : ProcessId Header
+ *      3 : Copy Handle Header
+ *      4 : Connection Event handle
+ *      5 : ACConfig size << 14 | 2
+ *      6 : pointer to ACConfig struct
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void ConnectAsync(Interface* self);
+
+/**
+ * AC::GetConnectResult service function
+ *  Inputs:
+ *      1 : ProcessId Header
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void GetConnectResult(Interface* self);
+
+/**
+ * AC::CloseAsync service function
+ *  Inputs:
+ *      1 : ProcessId Header
+ *      3 : Copy Handle Header
+ *      4 : Event handle, should be signaled when AC connection is closed
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void CloseAsync(Interface* self);
+
+/**
+ * AC::GetCloseResult service function
+ *  Inputs:
+ *      1 : ProcessId Header
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void GetCloseResult(Interface* self);
+
+/**
+ * AC::GetWifiStatus service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Output connection type, 0 = none, 1 = Old3DS Internet, 2 = New3DS Internet.
+ */
+void GetWifiStatus(Interface* self);
+
+/**
+ * AC::GetInfraPriority service function
+ *  Inputs:
+ *      1 : ACConfig size << 14 | 2
+ *      2 : pointer to ACConfig struct
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Infra Priority
+ */
+void GetInfraPriority(Interface* self);
+
+/**
+ * AC::SetRequestEulaVersion service function
+ *  Inputs:
+ *      1 : Eula Version major
+ *      2 : Eula Version minor
+ *      3 : ACConfig size << 14 | 2
+ *      4 : Input pointer to ACConfig struct
+ *      64 : ACConfig size << 14 | 2
+ *      65 : Output pointer to ACConfig struct
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Infra Priority
+ */
+void SetRequestEulaVersion(Interface* self);
+
+/**
+ * AC::RegisterDisconnectEvent service function
+ *  Inputs:
+ *      1 : ProcessId Header
+ *      3 : Copy Handle Header
+ *      4 : Event handle, should be signaled when AC connection is closed
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void RegisterDisconnectEvent(Interface* self);
+
+/**
+ * AC::IsConnected service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : bool, is connected
+ */
+void IsConnected(Interface* self);
+
+/**
+ * AC::SetClientVersion service function
+ *  Inputs:
+ *      1 : Used SDK Version
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void SetClientVersion(Interface* self);
+
+/// Initialize AC service
+void Init();
+
+/// Shutdown AC service
+void Shutdown();
+
+} // namespace AC
+} // namespace Service
diff --git a/src/core/hle/service/ac/ac_i.cpp b/src/core/hle/service/ac/ac_i.cpp
new file mode 100644
index 000000000..b22fe3698
--- /dev/null
+++ b/src/core/hle/service/ac/ac_i.cpp
@@ -0,0 +1,39 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/ac/ac.h"
+#include "core/hle/service/ac/ac_i.h"
+
+namespace Service {
+namespace AC {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x00010000, CreateDefaultConfig, "CreateDefaultConfig"},
+    {0x00040006, ConnectAsync, "ConnectAsync"},
+    {0x00050002, GetConnectResult, "GetConnectResult"},
+    {0x00070002, nullptr, "CancelConnectAsync"},
+    {0x00080004, CloseAsync, "CloseAsync"},
+    {0x00090002, GetCloseResult, "GetCloseResult"},
+    {0x000A0000, nullptr, "GetLastErrorCode"},
+    {0x000C0000, nullptr, "GetStatus"},
+    {0x000D0000, GetWifiStatus, "GetWifiStatus"},
+    {0x000E0042, nullptr, "GetCurrentAPInfo"},
+    {0x00100042, nullptr, "GetCurrentNZoneInfo"},
+    {0x00110042, nullptr, "GetNZoneApNumService"},
+    {0x001D0042, nullptr, "ScanAPs"},
+    {0x00240042, nullptr, "AddDenyApType"},
+    {0x00270002, GetInfraPriority, "GetInfraPriority"},
+    {0x002D0082, SetRequestEulaVersion, "SetRequestEulaVersion"},
+    {0x00300004, RegisterDisconnectEvent, "RegisterDisconnectEvent"},
+    {0x003C0042, nullptr, "GetAPSSIDList"},
+    {0x003E0042, IsConnected, "IsConnected"},
+    {0x00400042, SetClientVersion, "SetClientVersion"},
+};
+
+AC_I::AC_I() {
+    Register(FunctionTable);
+}
+
+} // namespace AC
+} // namespace Service
diff --git a/src/core/hle/service/ac/ac_i.h b/src/core/hle/service/ac/ac_i.h
new file mode 100644
index 000000000..465bba59c
--- /dev/null
+++ b/src/core/hle/service/ac/ac_i.h
@@ -0,0 +1,22 @@
+// Copyright 2016 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 AC {
+
+class AC_I final : public Interface {
+public:
+    AC_I();
+
+    std::string GetPortName() const override {
+        return "ac:i";
+    }
+};
+
+} // namespace AC
+} // namespace Service
diff --git a/src/core/hle/service/ac/ac_u.cpp b/src/core/hle/service/ac/ac_u.cpp
new file mode 100644
index 000000000..346671b4a
--- /dev/null
+++ b/src/core/hle/service/ac/ac_u.cpp
@@ -0,0 +1,39 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/ac/ac.h"
+#include "core/hle/service/ac/ac_u.h"
+
+namespace Service {
+namespace AC {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x00010000, CreateDefaultConfig, "CreateDefaultConfig"},
+    {0x00040006, ConnectAsync, "ConnectAsync"},
+    {0x00050002, GetConnectResult, "GetConnectResult"},
+    {0x00070002, nullptr, "CancelConnectAsync"},
+    {0x00080004, CloseAsync, "CloseAsync"},
+    {0x00090002, GetCloseResult, "GetCloseResult"},
+    {0x000A0000, nullptr, "GetLastErrorCode"},
+    {0x000C0000, nullptr, "GetStatus"},
+    {0x000D0000, GetWifiStatus, "GetWifiStatus"},
+    {0x000E0042, nullptr, "GetCurrentAPInfo"},
+    {0x00100042, nullptr, "GetCurrentNZoneInfo"},
+    {0x00110042, nullptr, "GetNZoneApNumService"},
+    {0x001D0042, nullptr, "ScanAPs"},
+    {0x00240042, nullptr, "AddDenyApType"},
+    {0x00270002, GetInfraPriority, "GetInfraPriority"},
+    {0x002D0082, SetRequestEulaVersion, "SetRequestEulaVersion"},
+    {0x00300004, RegisterDisconnectEvent, "RegisterDisconnectEvent"},
+    {0x003C0042, nullptr, "GetAPSSIDList"},
+    {0x003E0042, IsConnected, "IsConnected"},
+    {0x00400042, SetClientVersion, "SetClientVersion"},
+};
+
+AC_U::AC_U() {
+    Register(FunctionTable);
+}
+
+} // namespace AC
+} // namespace Service
diff --git a/src/core/hle/service/ac/ac_u.h b/src/core/hle/service/ac/ac_u.h
new file mode 100644
index 000000000..f9d21e112
--- /dev/null
+++ b/src/core/hle/service/ac/ac_u.h
@@ -0,0 +1,22 @@
+// Copyright 2014 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 AC {
+
+class AC_U final : public Interface {
+public:
+    AC_U();
+
+    std::string GetPortName() const override {
+        return "ac:u";
+    }
+};
+
+} // namespace AC
+} // namespace Service