--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datagear/command/Command.cs	Tue Jun 23 19:27:24 2020 +0900
@@ -0,0 +1,5 @@
+namespace Christie_net.datagear.command {
+    public abstract class Command {
+        public CommandTy
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datagear/command/CommandType.cs	Tue Jun 23 19:27:24 2020 +0900
@@ -0,0 +1,16 @@
+namespace Christie_net.datagear.command {
+    public enum CommandType {
+        PUT,
+        TAKE,
+        PEEK,
+        REMOTETAKE,
+        REMOTEPEEK,
+        REPLY,
+        CLOSE,
+        FINISH
+    };
+
+    public static class CommandTypeEtx {
+        
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datagear/dg/DataGears.cs	Tue Jun 23 19:27:24 2020 +0900
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+
+namespace Christie_net.datagear.dg {
+    public class DataGears {
+        protected SortedDictionary<string, BlockingCollection<DataGear<Type>>> dataGears = 
+            new SortedDictionary<string, BlockingCollection<DataGear<Type>>>();
+        private object syncObject = new object();
+
+        public void Put(string key, DataGear<Type> dg) {
+            lock (syncObject) {
+                
+            }
+        }
+
+        public object Peek(string key) {
+            return dataGears.
+        }
+
+        public object GetData(Command cm) {
+            switch (cm.type) {
+                
+            }
+        }
+        
+        public void SetData()
+    }
+}
\ No newline at end of file