From 521751795a1c97c0d97f6f8904a3be69b13d3a9d Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Thu, 16 Aug 2018 20:47:36 -0300
Subject: Code style fixes and nits on the HLE project (#355)

* Some style fixes and nits on ITimeZoneService

* Remove some unneeded usings

* Remove the Ryujinx.HLE.OsHle.Handles namespace

* Remove hbmenu automatic load on process exit

* Rename Ns to Device, rename Os to System, rename SystemState to State

* Move Exceptions and Utilities out of OsHle

* Rename OsHle to HOS

* Rename OsHle folder to HOS

* IManagerDisplayService and ISystemDisplayService style fixes

* BsdError shouldn't be public

* Add a empty new line before using static

* Remove unused file

* Some style fixes on NPDM

* Exit gracefully when the application is closed

* Code style fixes on IGeneralService

* Add 0x prefix on values printed as hex

* Small improvements on finalization code

* Move ProcessId and ThreadId out of AThreadState

* Rename VFs to FileSystem

* FsAccessHeader shouldn't be public. Also fix file names casing

* More case changes on NPDM

* Remove unused files

* Move using to the correct place on NPDM

* Use properties on KernelAccessControlMmio

* Address PR feedback
---
 Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs | 107 ++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs

(limited to 'Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs')

diff --git a/Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs b/Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs
new file mode 100644
index 00000000..f574826a
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs
@@ -0,0 +1,107 @@
+using Ryujinx.HLE.HOS.Ipc;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.HOS.Services.Time
+{
+    class ISystemClock : IpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+
+        private SystemClockType ClockType;
+
+        private DateTime SystemClockContextEpoch;
+
+        private long SystemClockTimePoint;
+
+        private byte[] SystemClockContextEnding;
+
+        private long TimeOffset;
+
+        public ISystemClock(SystemClockType ClockType)
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, GetCurrentTime        },
+                { 1, SetCurrentTime        },
+                { 2, GetSystemClockContext },
+                { 3, SetSystemClockContext }
+            };
+
+            this.ClockType           = ClockType;
+            SystemClockContextEpoch  = System.Diagnostics.Process.GetCurrentProcess().StartTime;
+            SystemClockContextEnding = new byte[0x10];
+            TimeOffset               = 0;
+
+            if (ClockType == SystemClockType.User ||
+                ClockType == SystemClockType.Network)
+            {
+                SystemClockContextEpoch = SystemClockContextEpoch.ToUniversalTime();
+            }
+
+            SystemClockTimePoint = (long)(SystemClockContextEpoch - Epoch).TotalSeconds;
+        }
+
+        public long GetCurrentTime(ServiceCtx Context)
+        {
+            DateTime CurrentTime = DateTime.Now;
+
+            if (ClockType == SystemClockType.User ||
+                ClockType == SystemClockType.Network)
+            {
+                CurrentTime = CurrentTime.ToUniversalTime();
+            }
+
+            Context.ResponseData.Write((long)((CurrentTime - Epoch).TotalSeconds) + TimeOffset);
+
+            return 0;
+        }
+
+        public long SetCurrentTime(ServiceCtx Context)
+        {
+            DateTime CurrentTime = DateTime.Now;
+
+            if (ClockType == SystemClockType.User ||
+                ClockType == SystemClockType.Network)
+            {
+                CurrentTime = CurrentTime.ToUniversalTime();
+            }
+
+            TimeOffset = (Context.RequestData.ReadInt64() - (long)(CurrentTime - Epoch).TotalSeconds);
+
+            return 0;
+        }
+
+        public long GetSystemClockContext(ServiceCtx Context)
+        {
+            Context.ResponseData.Write((long)(SystemClockContextEpoch - Epoch).TotalSeconds);
+
+            // The point in time, TODO: is there a link between epoch and this?
+            Context.ResponseData.Write(SystemClockTimePoint);
+
+            // This seems to be some kind of identifier?
+            for (int i = 0; i < 0x10; i++)
+            {
+                Context.ResponseData.Write(SystemClockContextEnding[i]);
+            }
+
+            return 0;
+        }
+
+        public long SetSystemClockContext(ServiceCtx Context)
+        {
+            long NewSystemClockEpoch     = Context.RequestData.ReadInt64();
+            long NewSystemClockTimePoint = Context.RequestData.ReadInt64();
+
+            SystemClockContextEpoch      = Epoch.Add(TimeSpan.FromSeconds(NewSystemClockEpoch));
+            SystemClockTimePoint         = NewSystemClockTimePoint;
+            SystemClockContextEnding     = Context.RequestData.ReadBytes(0x10);
+
+            return 0;
+        }
+    }
+}
\ No newline at end of file
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