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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.hc2vpp.acl;
import com.google.inject.Inject;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.honeycomb.infra.distro.ProviderTrait;
import io.fd.vpp.jvpp.JVppRegistry;
import io.fd.vpp.jvpp.VppBaseCallException;
import io.fd.vpp.jvpp.acl.JVppAclImpl;
import io.fd.vpp.jvpp.acl.dto.AclPluginGetVersion;
import io.fd.vpp.jvpp.acl.dto.AclPluginGetVersionReply;
import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class JVppAclProvider extends ProviderTrait<FutureJVppAclFacade> implements JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(JVppAclProvider.class);
@Inject
private JVppRegistry registry;
private static JVppAclImpl initAclApi() {
final JVppAclImpl jvppAcl = new JVppAclImpl();
// Free jvpp-acl plugin's resources on shutdown
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
LOG.info("Unloading jvpp-acl plugin");
jvppAcl.close();
LOG.info("Successfully unloaded jvpp-acl plugin");
}
});
return jvppAcl;
}
@Override
protected FutureJVppAclFacade create() {
try {
return reportVersionAndGet(initAclApi());
} catch (IOException e) {
throw new IllegalStateException("Unable to open VPP management connection", e);
} catch (TimeoutException | VppBaseCallException e) {
throw new IllegalStateException("Unable to load ACL plugin version", e);
}
}
private FutureJVppAclFacade reportVersionAndGet(final JVppAclImpl jvppAcl)
throws IOException, TimeoutException, VppBaseCallException {
final FutureJVppAclFacade futureFacade = new FutureJVppAclFacade(registry, jvppAcl);
final AclPluginGetVersionReply pluginVersion =
getReply(futureFacade.aclPluginGetVersion(new AclPluginGetVersion()).toCompletableFuture());
LOG.info("Acl plugin successfully loaded[version {}.{}]", pluginVersion.major, pluginVersion.minor);
return futureFacade;
}
}
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