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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* 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.
*/
/*
* Modifications copyright (c) 2019 AT&T Intellectual Property
*/
package org.onap.vnf.vfw.write;
import org.onap.vnf.vfw.CrudService;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Writer for {@link Element} list node from our YANG model.
*/
public final class ElementCustomizer implements WriterCustomizer<Streams> {
private static final Logger LOG = LoggerFactory.getLogger(ElementCustomizer.class);
private final CrudService<Streams> crudService;
public ElementCustomizer(@Nonnull final CrudService<Streams> crudService) {
this.crudService = crudService;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id, @Nonnull final Streams dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
//perform write of data,or throw exception
//invoked by PUT operation,if provided data doesn't exist in Config data
crudService.writeData(id, dataAfter);
try {
runScript(dataAfter.getActiveStreams().getValue());
}
catch (IOException e) {
String message = "Write operation failed " + e;
LOG.error(message);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id,
@Nonnull final Streams dataBefore,
@Nonnull final Streams dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
//invoked by PUT operation,if provided data does exist in Config data
crudService.updateData(id, dataBefore, dataAfter);
try {
runScript(dataAfter.getActiveStreams().getValue());
}
catch (IOException e) {
String message = "Write operation failed " + e;
LOG.error(message);
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id,
@Nonnull final Streams dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
//perform delete of data,or throw exception
// Not supported, throw exception
throw new WriteFailedException.DeleteFailedException(id,
new UnsupportedOperationException("Delete operation not supported"));
}
//Update the number of running streams running a custom script that uses the old vPacketGen REST APIs
private void runScript(long streams) throws IOException {
String script = new String("bash /opt/enable_disable_streams.sh " + streams);
Runtime.getRuntime().exec(script);
String message = "Number of running streams updated to " + streams;
LOG.info(message);
}
}
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