diff options
Diffstat (limited to 'framework/src/onos/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageEncoder.java')
-rw-r--r-- | framework/src/onos/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageEncoder.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageEncoder.java b/framework/src/onos/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageEncoder.java new file mode 100644 index 00000000..4c1b16fe --- /dev/null +++ b/framework/src/onos/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OFMessageEncoder.java @@ -0,0 +1,59 @@ +/* + * 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 java.util.List; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.oneone.OneToOneEncoder; +import org.projectfloodlight.openflow.protocol.OFMessage; + +/** + * Encode an openflow message for output into a ChannelBuffer, for use in a + * netty pipeline. + */ +public class OFMessageEncoder extends OneToOneEncoder { + + @Override + protected Object encode(ChannelHandlerContext ctx, Channel channel, + Object msg) throws Exception { + if (!(msg instanceof List)) { + return msg; + } + + @SuppressWarnings("unchecked") + List<OFMessage> msglist = (List<OFMessage>) msg; + /* XXX S can't get length of OFMessage in loxigen's openflowj?? + int size = 0; + for (OFMessage ofm : msglist) { + size += ofm.getLengthU(); + }*/ + + ChannelBuffer buf = ChannelBuffers.dynamicBuffer(); + + for (OFMessage ofm : msglist) { + if (ofm != null) { + ofm.writeTo(buf); + } + } + return buf; + } + +} |