/*
 * Copyright (c) 2013, 2016 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
/**
 * Generated file

 * Generated from: yang module name: bgp-rib-impl  yang module local name: bgp-peer
 * Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
 * Generated at: Sat Jan 25 11:00:14 CET 2014
 *
 * Do not modify this file unless it is present under src/main directory
 */
package org.opendaylight.controller.config.yang.bgp.rib.impl;

import com.google.common.reflect.AbstractInvocationHandler;
import com.google.common.reflect.Reflection;
import io.netty.channel.epoll.Epoll;
import java.lang.reflect.Method;
import org.opendaylight.controller.config.api.JmxAttributeValidationException;
import org.opendaylight.controller.config.api.osgi.WaitingServiceTracker;
import org.opendaylight.protocol.bgp.rib.impl.config.OpenConfigMappingUtil;
import org.opendaylight.protocol.bgp.rib.impl.spi.BgpDeployer;
import org.opendaylight.protocol.bgp.rib.impl.spi.InstanceType;
import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
import org.opendaylight.protocol.util.Ipv4Util;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.NeighborKey;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Neighbors;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.Protocols;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Protocol1;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.rfc2385.cfg.rev160324.Rfc2385Key;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
import org.osgi.framework.BundleContext;

/**
 *
 */
@Deprecated
public final class BGPPeerModule extends org.opendaylight.controller.config.yang.bgp.rib.impl.AbstractBGPPeerModule {

    private BundleContext bundleContext;

    public BGPPeerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
            final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
        super(identifier, dependencyResolver);
    }

    public BGPPeerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
            final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, final BGPPeerModule oldModule,
            final java.lang.AutoCloseable oldInstance) {

        super(identifier, dependencyResolver, oldModule, oldInstance);
    }

    @Override
    protected void customValidation() {
        final IpAddress host = getHost();
        JmxAttributeValidationException.checkNotNull(host, "value is not set.", hostJmxAttribute);
        JmxAttributeValidationException.checkCondition(host.getIpv4Address() != null || host.getIpv6Address() != null,
                "Unexpected host", hostJmxAttribute);

        JmxAttributeValidationException.checkNotNull(getPort(), "value is not set.", portJmxAttribute);

        if (getPeerRole() != null) {
            final boolean isNotPeerRoleInternal= getPeerRole() != PeerRole.Internal;
            JmxAttributeValidationException.checkCondition(isNotPeerRoleInternal,
                    "Internal Peer Role is reserved for Application Peer use.", peerRoleJmxAttribute);
        }

        if (isPasswordPresent(getPassword())) {
            JmxAttributeValidationException.checkCondition(Epoll.isAvailable(),
                    "BGP Peer is configured with password but native transport is not available", passwordJmxAttribute);
        }

    }

    @Override
    public java.lang.AutoCloseable createInstance() {
        final RIB rib = getRibDependency();
        final WaitingServiceTracker<BgpDeployer> bgpDeployerTracker = WaitingServiceTracker.create(BgpDeployer.class, this.bundleContext);
        final BgpDeployer bgpDeployer = bgpDeployerTracker.waitForService(WaitingServiceTracker.FIVE_MINUTES);
        //map configuration to OpenConfig BGP
        final Neighbor neighbor = OpenConfigMappingUtil.fromBgpPeer(getAddPathDependency(), getAdvertizedTableDependency(), getHoldtimer(),
                getHost(), getInitiateConnection(), getPassword(), getPort(), getRetrytimer(), getRemoteAs(), getPeerRole(), getSimpleRoutingPolicy(),
                bgpDeployer.getMappingService());
        //write to configuration DS
        final KeyedInstanceIdentifier<Protocol, ProtocolKey> protocolIId = bgpDeployer.getInstanceIdentifier().child(Protocols.class)
            .child(Protocol.class, new ProtocolKey(BGP.class, rib.getInstanceIdentifier().getKey().getId().getValue()));
        final InstanceIdentifier<Bgp> bgpIID = protocolIId.augmentation(Protocol1.class).child(Bgp.class);
        final KeyedInstanceIdentifier<Neighbor, NeighborKey> neighborIId = protocolIId.augmentation(Protocol1.class).child(Bgp.class)
            .child(Neighbors.class).child(Neighbor.class, neighbor.getKey());
        bgpDeployer.onNeighborModified(bgpIID, neighbor, () -> bgpDeployer.writeConfiguration(neighbor, neighborIId));
        //get rib instance service, use filter
        final WaitingServiceTracker<BGPPeerRuntimeMXBean> peerTracker = WaitingServiceTracker.create(BGPPeerRuntimeMXBean.class,
                this.bundleContext, "(" + InstanceType.PEER.getBeanName() + "=" + Ipv4Util.toStringIP(getHost()) + ")");
        final BGPPeerRuntimeMXBean peer = peerTracker.waitForService(WaitingServiceTracker.FIVE_MINUTES);
        final BGPPeerRuntimeRegistration runtimeRegistration = getRootRuntimeBeanRegistratorWrapper().register(peer);
        return Reflection.newProxy(AutoCloseablePeer.class, new AbstractInvocationHandler() {
            @Override
            protected Object handleInvocation(final Object proxy, final Method method, final Object[] args) throws Throwable {
                if (method.getName().equals("close")) {
                    bgpDeployer.onNeighborRemoved(bgpIID, neighbor);
                    runtimeRegistration.close();
                    bgpDeployerTracker.close();
                    peerTracker.close();
                    return null;
                } else {
                    return method.invoke(peer, args);
                }
            }
        });
    }

    private static boolean isPasswordPresent(final Rfc2385Key password) {
        return password != null && ! password.getValue().isEmpty();
    }

    public void setBundleContext(final BundleContext bundleContext) {
        this.bundleContext = bundleContext;
    }

    private static interface AutoCloseablePeer extends RIB, AutoCloseable {
    }

}