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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.JVppRegistry
import org.openvpp.jvpp.core.JVppCoreImpl
import org.openvpp.jvpp.core.future.FutureJVppCore
import org.openvpp.jvpp.core.future.FutureJVppCoreFacade
/**
* Provides future API for jvpp-core plugin. Must be a singleton due to shutdown hook usage.
* Registers shutdown hook to free plugin's resources on shutdown.
*/
@Slf4j
@ToString
class JVppCoreProvider extends ProviderTrait<FutureJVppCore> {
@Inject
JVppRegistry registry
def create() {
try {
def jVpp = new JVppCoreImpl()
// Free jvpp-core plugin's resources on shutdown
Runtime.addShutdownHook {
log.info("Unloading jvpp-core plugin")
jVpp.close()
log.info("Successfully unloaded jvpp-core plugin")
}
log.info("Successfully loaded jvpp-core plugin")
new FutureJVppCoreFacade(registry, jVpp)
} catch (IOException e) {
throw new IllegalStateException("Unable to open VPP management connection", e)
}
}
}
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