1 files changed, 137 insertions, 0 deletions
diff --git a/src/core/hle/service/time/time_manager.cpp b/src/core/hle/service/time/time_manager.cpp
new file mode 100644
index 000000000..9d6c55865
--- /dev/null
+++ b/src/core/hle/service/time/time_manager.cpp
@@ -0,0 +1,137 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <chrono>
+#include <ctime>
+
+#include "core/hle/service/time/ephemeral_network_system_clock_context_writer.h"
+#include "core/hle/service/time/local_system_clock_context_writer.h"
+#include "core/hle/service/time/network_system_clock_context_writer.h"
+#include "core/hle/service/time/time_manager.h"
+#include "core/settings.h"
+
+namespace Service::Time {
+
+constexpr Clock::TimeSpanType standard_network_clock_accuracy{0x0009356907420000ULL};
+
+static std::chrono::seconds GetSecondsSinceEpoch() {
+    return std::chrono::duration_cast<std::chrono::seconds>(
+               std::chrono::system_clock::now().time_since_epoch()) +
+           Settings::values.custom_rtc_differential;
+}
+
+static s64 GetExternalRtcValue() {
+    return GetSecondsSinceEpoch().count();
+}
+
+TimeManager::TimeManager(Core::System& system)
+    : shared_memory{system}, standard_local_system_clock_core{standard_steady_clock_core},
+      standard_network_system_clock_core{standard_steady_clock_core},
+      standard_user_system_clock_core{standard_local_system_clock_core,
+                                      standard_network_system_clock_core, system},
+      ephemeral_network_system_clock_core{tick_based_steady_clock_core},
+      local_system_clock_context_writer{
+          std::make_shared<Clock::LocalSystemClockContextWriter>(shared_memory)},
+      network_system_clock_context_writer{
+          std::make_shared<Clock::NetworkSystemClockContextWriter>(shared_memory)},
+      ephemeral_network_system_clock_context_writer{
+          std::make_shared<Clock::EphemeralNetworkSystemClockContextWriter>()},
+      time_zone_content_manager{*this, system} {
+
+    const auto system_time{Clock::TimeSpanType::FromSeconds(GetExternalRtcValue())};
+    SetupStandardSteadyClock(system, Common::UUID::Generate(), system_time, {}, {});
+    SetupStandardLocalSystemClock(system, {}, system_time.ToSeconds());
+    SetupStandardNetworkSystemClock({}, standard_network_clock_accuracy);
+    SetupStandardUserSystemClock(system, {}, Clock::SteadyClockTimePoint::GetRandom());
+    SetupEphemeralNetworkSystemClock();
+}
+
+TimeManager::~TimeManager() = default;
+
+void TimeManager::SetupTimeZoneManager(std::string location_name,
+                                       Clock::SteadyClockTimePoint time_zone_updated_time_point,
+                                       std::size_t total_location_name_count,
+                                       u128 time_zone_rule_version,
+                                       FileSys::VirtualFile& vfs_file) {
+    if (time_zone_content_manager.GetTimeZoneManager().SetDeviceLocationNameWithTimeZoneRule(
+            location_name, vfs_file) != RESULT_SUCCESS) {
+        UNREACHABLE();
+        return;
+    }
+
+    time_zone_content_manager.GetTimeZoneManager().SetUpdatedTime(time_zone_updated_time_point);
+    time_zone_content_manager.GetTimeZoneManager().SetTotalLocationNameCount(
+        total_location_name_count);
+    time_zone_content_manager.GetTimeZoneManager().SetTimeZoneRuleVersion(time_zone_rule_version);
+    time_zone_content_manager.GetTimeZoneManager().MarkAsInitialized();
+}
+
+void TimeManager::SetupStandardSteadyClock(Core::System& system, Common::UUID clock_source_id,
+                                           Clock::TimeSpanType setup_value,
+                                           Clock::TimeSpanType internal_offset,
+                                           bool is_rtc_reset_detected) {
+    standard_steady_clock_core.SetClockSourceId(clock_source_id);
+    standard_steady_clock_core.SetSetupValue(setup_value);
+    standard_steady_clock_core.SetInternalOffset(internal_offset);
+    standard_steady_clock_core.MarkAsInitialized();
+
+    const auto current_time_point{standard_steady_clock_core.GetCurrentRawTimePoint(system)};
+    shared_memory.SetupStandardSteadyClock(system, clock_source_id, current_time_point);
+}
+
+void TimeManager::SetupStandardLocalSystemClock(Core::System& system,
+                                                Clock::SystemClockContext clock_context,
+                                                s64 posix_time) {
+    standard_local_system_clock_core.SetUpdateCallbackInstance(local_system_clock_context_writer);
+
+    const auto current_time_point{
+        standard_local_system_clock_core.GetSteadyClockCore().GetCurrentTimePoint(system)};
+    if (current_time_point.clock_source_id == clock_context.steady_time_point.clock_source_id) {
+        standard_local_system_clock_core.SetSystemClockContext(clock_context);
+    } else {
+        if (standard_local_system_clock_core.SetCurrentTime(system, posix_time) != RESULT_SUCCESS) {
+            UNREACHABLE();
+            return;
+        }
+    }
+
+    standard_local_system_clock_core.MarkAsInitialized();
+}
+
+void TimeManager::SetupStandardNetworkSystemClock(Clock::SystemClockContext clock_context,
+                                                  Clock::TimeSpanType sufficient_accuracy) {
+    standard_network_system_clock_core.SetUpdateCallbackInstance(
+        network_system_clock_context_writer);
+
+    if (standard_network_system_clock_core.SetSystemClockContext(clock_context) != RESULT_SUCCESS) {
+        UNREACHABLE();
+        return;
+    }
+
+    standard_network_system_clock_core.SetStandardNetworkClockSufficientAccuracy(
+        sufficient_accuracy);
+    standard_network_system_clock_core.MarkAsInitialized();
+}
+
+void TimeManager::SetupStandardUserSystemClock(
+    Core::System& system, bool is_automatic_correction_enabled,
+    Clock::SteadyClockTimePoint steady_clock_time_point) {
+    if (standard_user_system_clock_core.SetAutomaticCorrectionEnabled(
+            system, is_automatic_correction_enabled) != RESULT_SUCCESS) {
+        UNREACHABLE();
+        return;
+    }
+
+    standard_user_system_clock_core.SetAutomaticCorrectionUpdatedTime(steady_clock_time_point);
+    standard_user_system_clock_core.MarkAsInitialized();
+    shared_memory.SetAutomaticCorrectionEnabled(is_automatic_correction_enabled);
+}
+
+void TimeManager::SetupEphemeralNetworkSystemClock() {
+    ephemeral_network_system_clock_core.SetUpdateCallbackInstance(
+        ephemeral_network_system_clock_context_writer);
+    ephemeral_network_system_clock_core.MarkAsInitialized();
+}
+
+} // namespace Service::Time