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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.
*/
package io.fd.honeycomb.vpp.distro
import com.google.inject.Inject
import groovy.transform.ToString
import groovy.util.logging.Slf4j
import io.fd.honeycomb.infra.distro.ProviderTrait
import org.openvpp.jvpp.JVppImpl
import org.openvpp.jvpp.VppJNIConnection
import org.openvpp.jvpp.future.FutureJVpp
import org.openvpp.jvpp.future.FutureJVppFacade
@Slf4j
@ToString
class JVppProvider extends ProviderTrait<FutureJVpp> {
@Inject
VppConfigAttributes config
def create() {
try {
def connection = new VppJNIConnection(config.jvppConnectionName)
def jVpp = new JVppImpl(connection)
// Closing JVpp connection with shutdown hook to erase the connection from VPP so HC will be able
// to connect next time
// TODO is there a safer way than a shutdown hook ?
Runtime.addShutdownHook {
log.info("Disconnecting from VPP")
jVpp.close()
connection.close()
log.info("Successfully disconnected from VPP as {}", config.jvppConnectionName)
}
log.info("JVpp connection opened successfully as: {}", config.jvppConnectionName)
new FutureJVppFacade(jVpp)
} catch (IOException e) {
throw new IllegalStateException("Unable to open VPP management connection", e)
}
}
}
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