OFSwitchImplSpringOpenTTP.java
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/*
* 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.handshaker;
import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch;
import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted;
import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted;
import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted;
import org.projectfloodlight.openflow.protocol.OFFactory;
import org.projectfloodlight.openflow.protocol.OFMessage;
import java.util.concurrent.atomic.AtomicBoolean;
public class OFSwitchImplSpringOpenTTP extends AbstractOpenFlowSwitch {
private OFFactory factory;
private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false);
@Override
public Boolean supportNxRole() {
return false;
}
@Override
public void startDriverHandshake() {
log.debug("Starting driver handshake for sw {}", getStringId());
if (startDriverHandshakeCalled) {
throw new SwitchDriverSubHandshakeAlreadyStarted();
}
startDriverHandshakeCalled = true;
factory = this.factory();
driverHandshakeComplete.set(true);
log.debug("Driver handshake is complete");
}
@Override
public boolean isDriverHandshakeComplete() {
if (!startDriverHandshakeCalled) {
throw new SwitchDriverSubHandshakeNotStarted();
}
return driverHandshakeComplete.get();
}
@Override
public void processDriverHandshakeMessage(OFMessage m) {
if (!startDriverHandshakeCalled) {
throw new SwitchDriverSubHandshakeNotStarted();
}
if (driverHandshakeComplete.get()) {
throw new SwitchDriverSubHandshakeCompleted(m);
}
}
}