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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <chrono>
#include "common/common_types.h"
#include "common/intrusive_list.h"
#include "common/uuid.h"
#include "common/wall_clock.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/psc/time/errors.h"
namespace Core {
class System;
}
namespace Service::PSC::Time {
using ClockSourceId = Common::UUID;
struct SteadyClockTimePoint {
constexpr bool IdMatches(SteadyClockTimePoint& other) {
return clock_source_id == other.clock_source_id;
}
bool operator==(const SteadyClockTimePoint& other) const = default;
s64 time_point;
ClockSourceId clock_source_id;
};
static_assert(sizeof(SteadyClockTimePoint) == 0x18, "SteadyClockTimePoint has the wrong size!");
static_assert(std::is_trivial_v<ClockSourceId>);
struct SystemClockContext {
bool operator==(const SystemClockContext& other) const = default;
s64 offset;
SteadyClockTimePoint steady_time_point;
};
static_assert(sizeof(SystemClockContext) == 0x20, "SystemClockContext has the wrong size!");
static_assert(std::is_trivial_v<SystemClockContext>);
enum class TimeType : u8 {
UserSystemClock,
NetworkSystemClock,
LocalSystemClock,
};
struct CalendarTime {
s16 year;
s8 month;
s8 day;
s8 hour;
s8 minute;
s8 second;
};
static_assert(sizeof(CalendarTime) == 0x8, "CalendarTime has the wrong size!");
struct CalendarAdditionalInfo {
s32 day_of_week;
s32 day_of_year;
std::array<char, 8> name;
s32 is_dst;
s32 ut_offset;
};
static_assert(sizeof(CalendarAdditionalInfo) == 0x18, "CalendarAdditionalInfo has the wrong size!");
struct LocationName {
std::array<char, 36> name;
};
static_assert(sizeof(LocationName) == 0x24, "LocationName has the wrong size!");
struct RuleVersion {
std::array<char, 16> version;
};
static_assert(sizeof(RuleVersion) == 0x10, "RuleVersion has the wrong size!");
struct ClockSnapshot {
SystemClockContext user_context;
SystemClockContext network_context;
s64 user_time;
s64 network_time;
CalendarTime user_calendar_time;
CalendarTime network_calendar_time;
CalendarAdditionalInfo user_calendar_additional_time;
CalendarAdditionalInfo network_calendar_additional_time;
SteadyClockTimePoint steady_clock_time_point;
LocationName location_name;
bool is_automatic_correction_enabled;
TimeType type;
u16 unk_CE;
};
static_assert(sizeof(ClockSnapshot) == 0xD0, "ClockSnapshot has the wrong size!");
static_assert(std::is_trivial_v<ClockSnapshot>);
struct ContinuousAdjustmentTimePoint {
s64 rtc_offset;
s64 diff_scale;
s64 shift_amount;
s64 lower;
s64 upper;
ClockSourceId clock_source_id;
};
static_assert(sizeof(ContinuousAdjustmentTimePoint) == 0x38,
"ContinuousAdjustmentTimePoint has the wrong size!");
static_assert(std::is_trivial_v<ContinuousAdjustmentTimePoint>);
struct AlarmInfo {
s64 alert_time;
u32 priority;
};
static_assert(sizeof(AlarmInfo) == 0x10, "AlarmInfo has the wrong size!");
struct StaticServiceSetupInfo {
bool can_write_local_clock;
bool can_write_user_clock;
bool can_write_network_clock;
bool can_write_timezone_device_location;
bool can_write_steady_clock;
bool can_write_uninitialized_clock;
};
static_assert(sizeof(StaticServiceSetupInfo) == 0x6, "StaticServiceSetupInfo has the wrong size!");
struct OperationEvent : public Common::IntrusiveListBaseNode<OperationEvent> {
using OperationEventList = Common::IntrusiveListBaseTraits<OperationEvent>::ListType;
OperationEvent(Core::System& system);
~OperationEvent();
KernelHelpers::ServiceContext m_ctx;
Kernel::KEvent* m_event{};
};
constexpr inline std::chrono::nanoseconds ConvertToTimeSpan(s64 ticks) {
constexpr auto one_second_ns{
std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()};
constexpr s64 max{Common::WallClock::CNTFRQ *
(std::numeric_limits<s64>::max() / one_second_ns)};
if (ticks > max) {
return std::chrono::nanoseconds(std::numeric_limits<s64>::max());
} else if (ticks < -max) {
return std::chrono::nanoseconds(std::numeric_limits<s64>::min());
}
auto a{ticks / Common::WallClock::CNTFRQ * one_second_ns};
auto b{((ticks % Common::WallClock::CNTFRQ) * one_second_ns) / Common::WallClock::CNTFRQ};
return std::chrono::nanoseconds(a + b);
}
constexpr inline Result GetSpanBetweenTimePoints(s64* out_seconds, SteadyClockTimePoint& a,
SteadyClockTimePoint& b) {
R_UNLESS(out_seconds, ResultInvalidArgument);
R_UNLESS(a.IdMatches(b), ResultInvalidArgument);
R_UNLESS(a.time_point >= 0 || b.time_point <= a.time_point + std::numeric_limits<s64>::max(),
ResultOverflow);
R_UNLESS(a.time_point < 0 || b.time_point >= a.time_point + std::numeric_limits<s64>::min(),
ResultOverflow);
*out_seconds = b.time_point - a.time_point;
R_SUCCEED();
}
} // namespace Service::PSC::Time
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