support using chuniio.dll (maybe)

chuni-hands/ChuniIO.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO.MemoryMappedFiles;
+using System.Security.Principal;
+
+namespace chuni_hands {
+    internal static class ChuniIO {
+        public static MemoryMappedFile _buffer;
+        public static MemoryMappedViewAccessor _accessor;
+
+        private static bool _init = false;
+
+        public static void Send(IList<Sensor> sensors) {
+            if (!_init) {
+                Initialize();
+            }
+
+            var data = new byte[6];
+            for (var i = 0; i < 6; ++i) {
+                data[i] = (byte) (sensors[i].Active ? 0x80 : 0x00);
+            }
+
+            _accessor.WriteArray<byte>(0, data, 0, 6);
+        }
+
+        private static void Initialize() {
+            var security = new MemoryMappedFileSecurity();
+            var sid = new SecurityIdentifier(WellKnownSidType.WorldSid, null);
+            var account = sid.Translate(typeof(NTAccount)) as NTAccount;
+
+            Debug.Assert(account != null);
+            security.AddAccessRule(new System.Security.AccessControl.AccessRule<MemoryMappedFileRights>(account.ToString(), MemoryMappedFileRights.FullControl, System.Security.AccessControl.AccessControlType.Allow));
+            _buffer = MemoryMappedFile.CreateOrOpen("Local\\BROKENITHM_SHARED_BUFFER", 1024, MemoryMappedFileAccess.ReadWrite, MemoryMappedFileOptions.None, security, System.IO.HandleInheritability.Inheritable);
+            _accessor = _buffer.CreateViewAccessor();
+
+            _init = true;
+        }
+    }
+}

chuni-hands/MainWindow.xaml.cs

@@ -81,10 +81,14 @@ namespace chuni_hands {
 
             switch (_config.SendKeyMode) {
                 case "be": {
-                        var airKeys = String.Concat(from sensor in _sensors select sensor.Active ? "1" : "0");
-                        _http.GetAsync(_config.EndPoint + "?k=" + airKeys);
-                    }
+                    var airKeys = String.Concat(from sensor in _sensors select sensor.Active ? "1" : "0");
+                    _http.GetAsync(_config.EndPoint + "?k=" + airKeys);
                     break;
+                }
+                case "chuni_io": {
+                    ChuniIO.Send(_sensors);
+                    break;
+                }
                 default:
                     throw new Exception("unknown SendKeyMode");
             }

chuni-hands/chuni-hands.csproj

@@ -89,6 +89,7 @@
       <SubType>Designer</SubType>
     </ApplicationDefinition>
     <Compile Include="ChuniCanvas.cs" />
+    <Compile Include="ChuniIO.cs" />
     <Compile Include="Config.cs" />
     <Compile Include="Helpers.cs" />
     <Compile Include="Logger.cs" />