1 files changed, 90 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Olsc/IOlscServiceForApplication.cs b/src/Ryujinx.HLE/HOS/Services/Olsc/IOlscServiceForApplication.cs
new file mode 100644
index 00000000..89fe0c3a
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Olsc/IOlscServiceForApplication.cs
@@ -0,0 +1,90 @@
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Services.Account.Acc;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.HOS.Services.Olsc
+{
+    [Service("olsc:u")] // 10.0.0+
+    class IOlscServiceForApplication : IpcService
+    {
+        private bool                     _initialized;
+        private Dictionary<UserId, bool> _saveDataBackupSettingDatabase;
+
+        public IOlscServiceForApplication(ServiceCtx context) { }
+
+        [CommandCmif(0)]
+        // Initialize(pid)
+        public ResultCode Initialize(ServiceCtx context)
+        {
+            // NOTE: Service call arp:r GetApplicationInstanceUnregistrationNotifier with the pid and initialize some internal struct.
+            //       Since we will not support online savedata backup, it's fine to stub it for now.
+
+            _saveDataBackupSettingDatabase = new Dictionary<UserId, bool>();
+
+            _initialized = true;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceOlsc);
+
+            return ResultCode.Success;
+        }
+
+        [CommandCmif(13)]
+        // GetSaveDataBackupSetting(nn::account::Uid) -> u8
+        public ResultCode GetSaveDataBackupSetting(ServiceCtx context)
+        {
+            UserId userId = context.RequestData.ReadStruct<UserId>();
+
+            if (!_initialized)
+            {
+                return ResultCode.NotInitialized;
+            }
+
+            if (userId.IsNull)
+            {
+                return ResultCode.NullArgument;
+            }
+
+            if (_saveDataBackupSettingDatabase.TryGetValue(userId, out bool enabled) && enabled)
+            {
+                context.ResponseData.Write((byte)1); // TODO: Determine value.
+            }
+            else
+            {
+                context.ResponseData.Write((byte)2); // TODO: Determine value.
+            }
+
+            // NOTE: Since we will not support online savedata backup, it's fine to stub it for now.
+
+            Logger.Stub?.PrintStub(LogClass.ServiceOlsc, new { userId });
+
+            return ResultCode.Success;
+        }
+
+        [CommandCmif(14)]
+        // SetSaveDataBackupSettingEnabled(nn::account::Uid, bool)
+        public ResultCode SetSaveDataBackupSettingEnabled(ServiceCtx context)
+        {
+            bool   saveDataBackupSettingEnabled = context.RequestData.ReadUInt64() != 0;
+            UserId userId                       = context.RequestData.ReadStruct<UserId>();
+
+            if (!_initialized)
+            {
+                return ResultCode.NotInitialized;
+            }
+
+            if (userId.IsNull)
+            {
+                return ResultCode.NullArgument;
+            }
+
+            _saveDataBackupSettingDatabase[userId] = saveDataBackupSettingEnabled;
+
+            // NOTE: Since we will not support online savedata backup, it's fine to stub it for now.
+
+            Logger.Stub?.PrintStub(LogClass.ServiceOlsc, new { userId, saveDataBackupSettingEnabled });
+
+            return ResultCode.Success;
+        }
+    }
+}
+\ No newline at end of file