diff options
Diffstat (limited to 'framework/src/onos/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageDecoder.java')
-rw-r--r-- | framework/src/onos/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageDecoder.java | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/framework/src/onos/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageDecoder.java b/framework/src/onos/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageDecoder.java deleted file mode 100644 index f52d27e5..00000000 --- a/framework/src/onos/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageDecoder.java +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright 2014 Open Networking Laboratory - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.onosproject.openflow.controller.impl; - - -import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.channel.Channel; -import org.jboss.netty.channel.ChannelHandlerContext; -import org.jboss.netty.handler.codec.frame.FrameDecoder; -import org.projectfloodlight.openflow.protocol.OFFactories; -import org.projectfloodlight.openflow.protocol.OFMessage; -import org.projectfloodlight.openflow.protocol.OFMessageReader; - -/** - * Decode an openflow message from a Channel, for use in a netty pipeline. - */ -public class OFMessageDecoder extends FrameDecoder { - - @Override - protected Object decode(ChannelHandlerContext ctx, Channel channel, - ChannelBuffer buffer) throws Exception { - if (!channel.isConnected()) { - // In testing, I see decode being called AFTER decode last. - // This check avoids that from reading corrupted frames - return null; - } - - // Note that a single call to decode results in reading a single - // OFMessage from the channel buffer, which is passed on to, and processed - // by, the controller (in OFChannelHandler). - // This is different from earlier behavior (with the original openflowj), - // where we parsed all the messages in the buffer, before passing on - // a list of the parsed messages to the controller. - // The performance *may or may not* not be as good as before. - OFMessageReader<OFMessage> reader = OFFactories.getGenericReader(); - OFMessage message = reader.readFrom(buffer); - - return message; - } - -} |