Added debug prints for now solved bug (tristanable concurrency fix, early request), also simplified channel joins to be mutex atomic in that all stuff must first complete

source/dnetd/dchannel.d

@@ -46,10 +46,12 @@ public class DChannel
 	public bool join(DConnection client)
 	{
 		/* Send a message stating the user has joined (TODO: This should be done later, possibly, how defensive should we program) */
-		broadcastJoin(client);
+		//broadcastJoin(client);
 
 		/* Lock the members list */
+		writeln("join: mutex lock (about to call)");
 		memberLock.lock();
+		writeln("join: mutex lock (completed)");
 
 		/**
 		* Don't allow the user to join a channel he
@@ -78,9 +80,10 @@ public class DChannel
 			members ~= client;			
 		}
 
-
 		/* Unlock the members list */
+		writeln("join: mutex unlock (about to call)");
 		memberLock.unlock();
+		writeln("join: mutex unlock (completed)");
 
 		return isPresent;
 	}
@@ -156,7 +159,7 @@ public class DChannel
 		memberLock.unlock();
 
 		/* Send broadcast leave message */
-		broadcastLeave(client);
+		//broadcastLeave(client);
 	}
 
 	/**

source/dnetd/dconnection.d

@@ -109,6 +109,7 @@ public class DConnection : Thread
 			*
 			* (Does decoding for bformat too)
 			*/
+			writeln("waiting");
 			bool status = receiveMessage(socket, receivedBytes);
 
 			/* TODO: Check status */
@@ -180,15 +181,19 @@ public class DConnection : Thread
 		/* Create the tagged message */
 		DataMessage message = new DataMessage(tag, data);
 
+		writeln("writeSocket: mutex lock");
 		/* Lock the write mutex */
 		writeLock.lock();
 
 		/* Send the message */
+		writeln("writeSocket: Data: "~to!(string)(data)~" Tag: "~to!(string)(tag));
 		status = sendMessage(socket, message.encode());
 
 		/* Unlock the write mutex */
 		writeLock.unlock();
 
+		writeln("writeSocket: mutex unlock");
+
 		return status;
 	}
 
@@ -246,6 +251,7 @@ public class DConnection : Thread
 		* between commands and async notifications
 		*/
 		long tag = message.tag;
+		writeln("tag:", tag);
 
 		/* The reply */
 		byte[] reply;
@@ -302,6 +308,8 @@ public class DConnection : Thread
 			string channelList = cast(string)message.data[1..message.data.length];
 			string[] channels = split(channelList, ",");
 
+			writeln("channels, ", channels);
+
 			/**
 			* Loop through each channel, check if it
 			* exists, if so join it, else create it
@@ -310,17 +318,19 @@ public class DConnection : Thread
 			bool isPresentInfo = false;
 			foreach(string channelName; channels)
 			{
-				/* Attempt to find the channel */
-				DChannel channel = server.getChannelByName(channelName);
+				// /* Attempt to find the channel */
+				// DChannel channel = server.getChannelByName(channelName);
+// 
+				// /* Create the channel if it doesn't exist */
+				// if(channel is null)
+				// {
+					// /* TODO: Thread safety for name choice */
+					// channel = new DChannel(channelName);
+					// 
+					// server.addChannel(this, channel);
+				// }
+				DChannel channel = server.getChannel(this, channelName);
 
-				/* Create the channel if it doesn't exist */
-				if(channel is null)
-				{
-					/* TODO: Thread safety for name choice */
-					channel = new DChannel(channelName);
-					
-					server.addChannel(this, channel);
-				}
 
 				/* Join the channel */
 				isPresentInfo = channel.join(this);

source/dnetd/dserver.d

@@ -125,14 +125,14 @@ public class DServer : Thread
 	public void addChannel(DConnection causer, DChannel channel)
 	{
 		/* Lock the channels list */
-		channelLock.lock();
+		// channelLock.lock();
 
 		channels ~= channel;
 
 		/* TODO: Use causer */
 
 		/* Unlock the channels list */
-		channelLock.unlock();
+		// channelLock.unlock();
 	}
 
 	public void addConnection(DConnection connection)
@@ -174,6 +174,41 @@ public class DServer : Thread
 		connectionLock.unlock();
 	}
 
+	/* TODO: neew method */
+	public DChannel getChannel(DConnection causer, string channelName)
+	{
+		DChannel channel = null;
+		
+		channelLock.lock();
+
+		
+		foreach(DChannel currentChannel; channels)
+		{
+			if(cmp(currentChannel.getName(), channelName) == 0)
+			{
+				channel = currentChannel;
+				break;
+			}
+		}
+
+		if(channel)
+		{
+			
+		}
+		else
+		{
+			channel = new DChannel(channelName);
+								
+								this.addChannel(causer, channel);
+		}
+
+		channelLock.unlock();
+
+
+		return channel;
+	}
+
+
 	public DChannel getChannelByName(string channelName)
 	{
 		/* The channel */