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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.projectfloodlight.openflow.protocol.OFFlowAdd;
import org.projectfloodlight.openflow.protocol.OFMessage;
import org.projectfloodlight.openflow.protocol.OFPortDesc;
import org.projectfloodlight.openflow.protocol.OFVersion;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* Default driver to fallback on if no other driver is available.
*/
public class DefaultSwitchHandshaker extends AbstractOpenFlowSwitch {
private static final int LOWEST_PRIORITY = 0;
@Override
public Boolean supportNxRole() {
return false;
}
@Override
public void startDriverHandshake() {
if (factory().getVersion() == OFVersion.OF_10) {
OFFlowAdd.Builder fmBuilder = factory().buildFlowAdd();
fmBuilder.setPriority(LOWEST_PRIORITY);
sendHandshakeMessage(fmBuilder.build());
}
}
@Override
public void processDriverHandshakeMessage(OFMessage m) {}
@Override
public boolean isDriverHandshakeComplete() {
return true;
}
@Override
public List<OFPortDesc> getPorts() {
if (this.factory().getVersion() == OFVersion.OF_10) {
return Collections.unmodifiableList(features.getPorts());
} else {
return Collections.unmodifiableList(
ports.stream().flatMap(p -> p.getEntries().stream())
.collect(Collectors.toList()));
}
}
}
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