Fixed bug in deletion of valid conn descriptor once different clients with same ID connects (issues #116 and #124)

broker/src/main/java/io/moquette/server/netty/NettyChannel.java

@@ -73,4 +73,20 @@ public class NettyChannel implements ServerChannel {
         String clientID = (String) getAttribute(ATTR_KEY_CLIENTID);
         return "session [clientID: "+ clientID +"]";
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        NettyChannel that = (NettyChannel) o;
+
+        return !(m_channel != null ? !m_channel.channel().equals(that.m_channel.channel()) : that.m_channel != null);
+
+    }
+
+    @Override
+    public int hashCode() {
+        return m_channel != null ? m_channel.channel().hashCode() : 0;
+    }
 }

broker/src/main/java/io/moquette/server/netty/NettyMQTTHandler.java

@@ -96,7 +96,7 @@ public class NettyMQTTHandler extends ChannelInboundHandlerAdapter {
             if (stolenAttr != null && stolenAttr == Boolean.TRUE) {
                 stolen = stolenAttr;
             }
-            m_processor.processConnectionLost(clientID, stolen);
+            m_processor.processConnectionLost(clientID, stolen, new NettyChannel(ctx));
         }
         ctx.close();
     }