diff options
Diffstat (limited to 'framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionInterpreter.java')
-rw-r--r-- | framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionInterpreter.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionInterpreter.java b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionInterpreter.java new file mode 100644 index 00000000..082c5a6d --- /dev/null +++ b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionInterpreter.java @@ -0,0 +1,84 @@ +/* + * Copyright 2015 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.driver.extensions; + +import org.onlab.packet.Ip4Address; +import org.onosproject.net.behaviour.ExtensionResolver; +import org.onosproject.net.driver.AbstractHandlerBehaviour; +import org.onosproject.net.flow.instructions.ExtensionInstruction; +import org.onosproject.net.flow.instructions.ExtensionType; +import org.onosproject.openflow.controller.ExtensionInterpreter; +import org.projectfloodlight.openflow.protocol.OFActionType; +import org.projectfloodlight.openflow.protocol.OFFactory; +import org.projectfloodlight.openflow.protocol.action.OFAction; +import org.projectfloodlight.openflow.protocol.action.OFActionSetField; +import org.projectfloodlight.openflow.protocol.oxm.OFOxm; +import org.projectfloodlight.openflow.protocol.oxm.OFOxmTunnelIpv4Dst; +import org.projectfloodlight.openflow.types.IPv4Address; + +/** + * Interpreter for Nicira OpenFlow extensions. + */ +public class NiciraExtensionInterpreter extends AbstractHandlerBehaviour + implements ExtensionInterpreter, ExtensionResolver { + + @Override + public boolean supported(ExtensionType extensionType) { + if (extensionType.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST)) { + return true; + } + + return false; + } + + @Override + public OFAction mapInstruction(OFFactory factory, ExtensionInstruction extensionInstruction) { + ExtensionType type = extensionInstruction.type(); + if (type.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST.type())) { + NiciraSetTunnelDst tunnelDst = (NiciraSetTunnelDst) extensionInstruction; + return factory.actions().setField(factory.oxms().tunnelIpv4Dst( + IPv4Address.of(tunnelDst.tunnelDst().toInt()))); + } + return null; + } + + @Override + public ExtensionInstruction mapAction(OFAction action) { + if (action.getType().equals(OFActionType.SET_FIELD)) { + OFActionSetField setFieldAction = (OFActionSetField) action; + OFOxm<?> oxm = setFieldAction.getField(); + switch (oxm.getMatchField().id) { + case TUNNEL_IPV4_DST: + OFOxmTunnelIpv4Dst tunnelIpv4Dst = (OFOxmTunnelIpv4Dst) oxm; + return new NiciraSetTunnelDst(Ip4Address.valueOf(tunnelIpv4Dst.getValue().getInt())); + default: + throw new UnsupportedOperationException( + "Driver does not support extension type " + oxm.getMatchField().id); + } + } + return null; + } + + @Override + public ExtensionInstruction getExtensionInstruction(ExtensionType type) { + if (type.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST.type())) { + return new NiciraSetTunnelDst(); + } + throw new UnsupportedOperationException( + "Driver does not support extension type " + type.toString()); + } +} |