More work on the world server. Modified map server to communicate with it.

FFXIVClassic World Server/DataObjects/ZoneServer.cs

@@ -16,6 +16,9 @@ namespace FFXIVClassic_World_Server.DataObjects
         public readonly int[] ownedZoneIds;
         public bool isConnected = false;
         public Socket zoneServerConnection;
+        private ClientConnection conn;
+
+        private byte[] buffer = new byte[0xFFFF];
 
         public ZoneServer(string ip, int port)
         {
@@ -34,6 +37,18 @@ namespace FFXIVClassic_World_Server.DataObjects
             {
                 zoneServerConnection.Connect(remoteEP);
                 isConnected = true;
+                conn = new ClientConnection();
+                conn.socket = zoneServerConnection;
+                conn.buffer = new byte[0xFFFF];
+
+                try
+                {
+                    zoneServerConnection.BeginReceive(conn.buffer, 0, conn.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), conn);
+                }
+                catch (Exception e)
+                {
+                    throw new ApplicationException("Error occured starting listeners, check inner exception", e);
+                }
             }
             catch (Exception e)
             { Program.Log.Error("Failed to connect"); return; }            
@@ -54,5 +69,71 @@ namespace FFXIVClassic_World_Server.DataObjects
             }    
         }
 
+        private void ReceiveCallback(IAsyncResult result)
+        {
+            ClientConnection conn = (ClientConnection)result.AsyncState;            
+            //Check if disconnected
+            if ((conn.socket.Poll(1, SelectMode.SelectRead) && conn.socket.Available == 0))
+            {
+                conn = null;
+                isConnected = false;
+                Program.Log.Info("Zone server @ {0}:{1} disconnected!", zoneServerIp, zoneServerPort);
+                return;
+            }
+
+            try
+            {
+                int bytesRead = conn.socket.EndReceive(result);
+
+                bytesRead += conn.lastPartialSize;
+
+                if (bytesRead >= 0)
+                {
+                    int offset = 0;
+
+                    //Build packets until can no longer or out of data
+                    while (true)
+                    {
+                        SubPacket subpacket = SubPacket.CreatePacket(ref offset, conn.buffer, bytesRead);
+
+                        //If can't build packet, break, else process another
+                        if (subpacket == null)
+                            break;
+                        else
+                            Server.GetServer().OnReceiveSubPacketFromZone(this, subpacket);
+                    }
+
+                    //Not all bytes consumed, transfer leftover to beginning
+                    if (offset < bytesRead)
+                        Array.Copy(conn.buffer, offset, conn.buffer, 0, bytesRead - offset);
+
+                    conn.lastPartialSize = bytesRead - offset;
+
+                    //Build any queued subpackets into basepackets and send
+                    conn.FlushQueuedSendPackets();
+
+                    if (offset < bytesRead)
+                        //Need offset since not all bytes consumed
+                        conn.socket.BeginReceive(conn.buffer, bytesRead - offset, conn.buffer.Length - (bytesRead - offset), SocketFlags.None, new AsyncCallback(ReceiveCallback), conn);
+                    else
+                        //All bytes consumed, full buffer available
+                        conn.socket.BeginReceive(conn.buffer, 0, conn.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), conn);
+                }
+                else
+                {
+                    conn = null;
+                    isConnected = false;
+                    Program.Log.Info("Zone server @ {0}:{1} disconnected!", zoneServerIp, zoneServerPort);
+                }
+            }
+            catch (SocketException)
+            {
+                conn = null;
+                    isConnected = false;
+                    Program.Log.Info("Zone server @ {0}:{1} disconnected!", zoneServerIp, zoneServerPort);
+            }
+        }
+
+
     }
 }