service: notifa: Implement most part of this service

Implements partially RegisterAlarmSetting, UpdateAlarmSetting, LoadApplicationParameter, DeleteAlarmSetting.
Needed for Fitness `Boxing 2: Rhythm & Exercise` and `Ring Fit Adventure`.

2 files changed, 172 insertions, 8 deletions

diff --git a/src/core/hle/service/glue/notif.cpp b/src/core/hle/service/glue/notif.cpp
index b971846e7..3ace2dabd 100644
--- a/src/core/hle/service/glue/notif.cpp
+++ b/src/core/hle/service/glue/notif.cpp
@@ -1,6 +1,11 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <algorithm>
+#include <cstring>
+
+#include "common/assert.h"
+#include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/service/glue/notif.h"
 
@@ -9,11 +14,11 @@ namespace Service::Glue {
 NOTIF_A::NOTIF_A(Core::System& system_) : ServiceFramework{system_, "notif:a"} {
     // clang-format off
     static const FunctionInfo functions[] = {
-        {500, nullptr, "RegisterAlarmSetting"},
-        {510, nullptr, "UpdateAlarmSetting"},
+        {500, &NOTIF_A::RegisterAlarmSetting, "RegisterAlarmSetting"},
+        {510, &NOTIF_A::UpdateAlarmSetting, "UpdateAlarmSetting"},
         {520, &NOTIF_A::ListAlarmSettings, "ListAlarmSettings"},
-        {530, nullptr, "LoadApplicationParameter"},
-        {540, nullptr, "DeleteAlarmSetting"},
+        {530, &NOTIF_A::LoadApplicationParameter, "LoadApplicationParameter"},
+        {540, &NOTIF_A::DeleteAlarmSetting, "DeleteAlarmSetting"},
         {1000, &NOTIF_A::Initialize, "Initialize"},
     };
     // clang-format on
@@ -23,21 +28,132 @@ NOTIF_A::NOTIF_A(Core::System& system_) : ServiceFramework{system_, "notif:a"} {
 
 NOTIF_A::~NOTIF_A() = default;
 
+void NOTIF_A::RegisterAlarmSetting(Kernel::HLERequestContext& ctx) {
+    const auto alarm_setting_buffer_size = ctx.GetReadBufferSize(0);
+    const auto application_parameter_size = ctx.GetReadBufferSize(1);
+
+    ASSERT_MSG(alarm_setting_buffer_size == sizeof(AlarmSetting),
+               "alarm_setting_buffer_size is not 0x40 bytes");
+    ASSERT_MSG(application_parameter_size <= sizeof(ApplicationParameter),
+               "application_parameter_size is bigger than 0x400 bytes");
+
+    AlarmSetting new_alarm{};
+    memcpy(&new_alarm, ctx.ReadBuffer(0).data(), sizeof(AlarmSetting));
+
+    // TODO: Count alarms per game id
+    if (alarms.size() >= max_alarms) {
+        LOG_ERROR(Service_NOTIF, "Alarm limit reached");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultUnknown);
+        return;
+    }
+
+    new_alarm.alarm_setting_id = last_alarm_setting_id++;
+    alarms.push_back(new_alarm);
+
+    // TODO: Save application parameter data
+
+    LOG_WARNING(Service_NOTIF,
+                "(STUBBED) called, application_parameter_size={}, setting_id={}, kind={}, muted={}",
+                application_parameter_size, new_alarm.alarm_setting_id, new_alarm.kind,
+                new_alarm.muted);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+    rb.Push(new_alarm.alarm_setting_id);
+}
+
+void NOTIF_A::UpdateAlarmSetting(Kernel::HLERequestContext& ctx) {
+    const auto alarm_setting_buffer_size = ctx.GetReadBufferSize(0);
+    const auto application_parameter_size = ctx.GetReadBufferSize(1);
+
+    ASSERT_MSG(alarm_setting_buffer_size == sizeof(AlarmSetting),
+               "alarm_setting_buffer_size is not 0x40 bytes");
+    ASSERT_MSG(application_parameter_size <= sizeof(ApplicationParameter),
+               "application_parameter_size is bigger than 0x400 bytes");
+
+    AlarmSetting alarm_setting{};
+    memcpy(&alarm_setting, ctx.ReadBuffer(0).data(), sizeof(AlarmSetting));
+
+    const auto alarm_it = GetAlarmFromId(alarm_setting.alarm_setting_id);
+    if (alarm_it != alarms.end()) {
+        LOG_DEBUG(Service_NOTIF, "Alarm updated");
+        *alarm_it = alarm_setting;
+        // TODO: Save application parameter data
+    }
+
+    LOG_WARNING(Service_NOTIF,
+                "(STUBBED) called, application_parameter_size={}, setting_id={}, kind={}, muted={}",
+                application_parameter_size, alarm_setting.alarm_setting_id, alarm_setting.kind,
+                alarm_setting.muted);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void NOTIF_A::ListAlarmSettings(Kernel::HLERequestContext& ctx) {
-    // Returns an array of AlarmSetting
-    constexpr s32 alarm_count = 0;
+    LOG_INFO(Service_NOTIF, "called, alarm_count={}", alarms.size());
 
-    LOG_WARNING(Service_NOTIF, "(STUBBED) called");
+    // TODO: Only return alarms of this game id
+    ctx.WriteBuffer(alarms);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
-    rb.Push(alarm_count);
+    rb.Push(static_cast<u32>(alarms.size()));
+}
+
+void NOTIF_A::LoadApplicationParameter(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto alarm_setting_id{rp.Pop<AlarmSettingId>()};
+
+    const auto alarm_it = GetAlarmFromId(alarm_setting_id);
+    if (alarm_it == alarms.end()) {
+        LOG_ERROR(Service_NOTIF, "Invalid alarm setting id={}", alarm_setting_id);
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultUnknown);
+        return;
+    }
+
+    // TODO: Read application parameter related to this setting id
+    ApplicationParameter application_parameter{};
+
+    LOG_WARNING(Service_NOTIF, "(STUBBED) called, alarm_setting_id={}", alarm_setting_id);
+
+    ctx.WriteBuffer(application_parameter);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+    rb.Push(static_cast<u32>(application_parameter.size()));
+}
+
+void NOTIF_A::DeleteAlarmSetting(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto alarm_setting_id{rp.Pop<AlarmSettingId>()};
+
+    std::erase_if(alarms, [alarm_setting_id](const AlarmSetting& alarm) {
+        return alarm.alarm_setting_id == alarm_setting_id;
+    });
+
+    LOG_INFO(Service_NOTIF, "called, alarm_setting_id={}", alarm_setting_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
 }
 
 void NOTIF_A::Initialize(Kernel::HLERequestContext& ctx) {
+    // TODO: Load previous alarms from config
+
     LOG_WARNING(Service_NOTIF, "(STUBBED) called");
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
 }
 
+std::vector<NOTIF_A::AlarmSetting>::iterator NOTIF_A::GetAlarmFromId(
+    AlarmSettingId alarm_setting_id) {
+    return std::find_if(alarms.begin(), alarms.end(),
+                        [alarm_setting_id](const AlarmSetting& alarm) {
+                            return alarm.alarm_setting_id == alarm_setting_id;
+                        });
+}
+
 } // namespace Service::Glue
diff --git a/src/core/hle/service/glue/notif.h b/src/core/hle/service/glue/notif.h
index 7310d7f72..4467e1f35 100644
--- a/src/core/hle/service/glue/notif.h
+++ b/src/core/hle/service/glue/notif.h
@@ -3,6 +3,10 @@
 
 #pragma once
 
+#include <array>
+#include <vector>
+
+#include "common/uuid.h"
 #include "core/hle/service/service.h"
 
 namespace Core {
@@ -17,8 +21,52 @@ public:
     ~NOTIF_A() override;
 
 private:
+    static constexpr std::size_t max_alarms = 8;
+
+    // This is nn::notification::AlarmSettingId
+    using AlarmSettingId = u16;
+    static_assert(sizeof(AlarmSettingId) == 0x2, "AlarmSettingId is an invalid size");
+
+    using ApplicationParameter = std::array<u8, 0x400>;
+    static_assert(sizeof(ApplicationParameter) == 0x400, "ApplicationParameter is an invalid size");
+
+    struct DailyAlarmSetting {
+        s8 hour;
+        s8 minute;
+    };
+    static_assert(sizeof(DailyAlarmSetting) == 0x2, "DailyAlarmSetting is an invalid size");
+
+    struct WeeklyScheduleAlarmSetting {
+        INSERT_PADDING_BYTES(0xA);
+        std::array<DailyAlarmSetting, 0x7> day_of_week;
+    };
+    static_assert(sizeof(WeeklyScheduleAlarmSetting) == 0x18,
+                  "WeeklyScheduleAlarmSetting is an invalid size");
+
+    // This is nn::notification::AlarmSetting
+    struct AlarmSetting {
+        AlarmSettingId alarm_setting_id;
+        u8 kind;
+        u8 muted;
+        INSERT_PADDING_BYTES(0x4);
+        Common::UUID account_id;
+        u64 application_id;
+        INSERT_PADDING_BYTES(0x8);
+        WeeklyScheduleAlarmSetting schedule;
+    };
+    static_assert(sizeof(AlarmSetting) == 0x40, "AlarmSetting is an invalid size");
+
+    void RegisterAlarmSetting(Kernel::HLERequestContext& ctx);
+    void UpdateAlarmSetting(Kernel::HLERequestContext& ctx);
     void ListAlarmSettings(Kernel::HLERequestContext& ctx);
+    void LoadApplicationParameter(Kernel::HLERequestContext& ctx);
+    void DeleteAlarmSetting(Kernel::HLERequestContext& ctx);
     void Initialize(Kernel::HLERequestContext& ctx);
+
+    std::vector<AlarmSetting>::iterator GetAlarmFromId(AlarmSettingId alarm_setting_id);
+
+    std::vector<AlarmSetting> alarms{};
+    AlarmSettingId last_alarm_setting_id{};
 };
 
 } // namespace Service::Glue