Added mutexes to 'join' command, added toString to DChannel

source/dnetd/dchannel.d

@@ -9,6 +9,7 @@
 module dnetd.dchannel;
 
 import dnetd.dconnection : DConnection;
+import core.sync.mutex : Mutex;
 
 public class DChannel
 {
@@ -22,10 +23,12 @@ public class DChannel
 	* Users in this channel
 	*/
 	private DConnection[] members;
+	private Mutex memberLock;
 
 	this(string name)
 	{
-		
+		/* Initialize the lock */
+		memberLock = new Mutex();
 	}
 
 	public string getName()
@@ -34,8 +37,30 @@ public class DChannel
 	}
 
 	public void join(DConnection client)
+	{
+		/* Lock the members list */
+		memberLock.lock();
+
+		/**
+		* TODO: Error handling if the calling DConnection fails midway 
+		* and doesn't unlock it
+		*/
+
+		/* Add the client */
+		members ~= client;
+
+		/* Unlock the members list */
+		memberLock.unlock();
+	}
+
+	public void leave(DConnection client)
 	{
 		
 	}
 
+	public override string toString()
+	{
+		return "DChannel [Name: "~name~", Members: "~members~"]";
+	}
+	
 }