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/*
* Copyright (c) 2015 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.v3po.impl;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
import io.fd.honeycomb.v3po.impl.data.VppDataBrokerInitializationProvider;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
import org.opendaylight.controller.sal.core.api.Broker;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.SoftwareLoopback;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesStateBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.V3poService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.Vpp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VxlanTunnel;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.vppjapi.vppApi;
import org.openvpp.vppjapi.vppInterfaceDetails;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class V3poProvider implements BindingAwareProvider, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(V3poProvider.class);
private final Broker domBroker;
private RpcRegistration<V3poService> v3poService;
private VppIetfInterfaceListener vppInterfaceListener;
private VppBridgeDomainListener vppBridgeDomainListener;
private vppApi api;
private DataBroker db;
VppPollOperDataImpl vppPollOperData;
private VppDataBrokerInitializationProvider vppDataBrokerInitializationProvider;
public V3poProvider(@Nonnull final Broker domBroker) {
this.domBroker = Preconditions.checkNotNull(domBroker, "domBroker should not be null");
}
private void initializeVppConfig() {
WriteTransaction transaction = db.newWriteOnlyTransaction();
InstanceIdentifier<Vpp> viid = InstanceIdentifier.create(Vpp.class);
Vpp vpp = new VppBuilder().build();
// FIXME uncomment after ODL bug-5382 is fixed
// transaction.put(LogicalDatastoreType.CONFIGURATION, viid, vpp);
CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
Futures.addCallback(future, new
LoggingFuturesCallBack<>("VPPCFG-WARNING: Failed to create Vpp "
+ "configuration db.",
LOG));
vppBridgeDomainListener = new VppBridgeDomainListener(db, api);
LOG.info("VPPCFG-INFO: Preparing to initialize the IETF Interface " + "list configuration db.");
transaction = db.newWriteOnlyTransaction();
// FIXME this is minimal and we need to sync the entire configuration
syncInterfaces(transaction, api);
future = transaction.submit();
Futures.addCallback(future, new
LoggingFuturesCallBack<>("VPPCFG-WARNING: Failed to create IETF "
+ "Interface list configuration db.",
LOG));
vppInterfaceListener = new VppIetfInterfaceListener(db, api);
}
private static final Map<String, Class<? extends InterfaceType>> IFC_TYPES =
new HashMap<String, Class<? extends InterfaceType>>() {{
put("vxlan", VxlanTunnel.class);
put("lo", SoftwareLoopback.class);
put("Ether", EthernetCsmacd.class);
// TODO missing types below
put("l2tpv3_tunnel", EthernetCsmacd.class);
put("tap", EthernetCsmacd.class);
}};
/**
* Dump all interfaces from VPP and populate config datastore to sync initial state (interfaces)
* Only the mandatory leaves are stored in config datastore
*/
private void syncInterfaces(final WriteTransaction transaction, final vppApi api) {
LOG.info("Starting interface configuration sync");
final List<Interface> ifcs = Lists.newArrayList();
for (Map.Entry<String, Class<? extends InterfaceType>> ifcType : IFC_TYPES.entrySet()) {
for (vppInterfaceDetails vppIfc : api.swInterfaceDump(((byte) 1), ifcType.getKey().getBytes())) {
ifcs.add(new InterfaceBuilder()
.setName(vppIfc.interfaceName)
.setKey(new InterfaceKey(vppIfc.interfaceName))
.setEnabled(vppIfc.adminUp == 1)
.setType(ifcType.getValue())
.build());
}
}
InstanceIdentifier<Interfaces> iid = InstanceIdentifier.create(Interfaces.class);
transaction.put(LogicalDatastoreType.CONFIGURATION, iid, new InterfacesBuilder().setInterface(ifcs).build());
LOG.info("Interface configuration sync ended with following interfaces: {}", ifcs);
}
/* operational data */
private void initVppOperational() {
/*
* List<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.
* interfaces.rev140508.interfaces.state.Interface> ifaces = new
* ArrayList<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.
* ietf.interfaces.rev140508.interfaces.state.Interface>();
*/
LOG.info("VPPOPER-INFO: Preparing to initialize the IETF Interface " + "state list operational db.");
InterfacesState ifsState = new InterfacesStateBuilder().build();
WriteTransaction tx = db.newWriteOnlyTransaction();
InstanceIdentifier<InterfacesState> isid = InstanceIdentifier.builder(InterfacesState.class).build();
tx.put(LogicalDatastoreType.OPERATIONAL, isid, ifsState);
Futures.addCallback(tx.submit(), new LoggingFuturesCallBack<>(
"VPPOPER-WARNING: Failed to create IETF " + "Interface state list operational db.", LOG));
}
private void startOperationalUpdateTimer() {
Timer timer = new Timer();
// fire task after 1 second and then repeat each 10 seconds
timer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
vppPollOperData.updateOperational();
}
}, 1000, 10000);
}
@Override
public void onSessionInitiated(final ProviderContext session) {
LOG.info("VPP-INFO: V3poProvider Session Initiated");
try {
api = new vppApi("v3poODL");
} catch (IOException e) {
LOG.error("VPP-ERROR: VPP api client connection failed", e);
return;
}
LOG.info("VPP-INFO: VPP api client connection established");
db = session.getSALService(DataBroker.class);
initializeVppConfig();
initVppOperational();
vppPollOperData = new VppPollOperDataImpl(api, db);
v3poService = session.addRpcImplementation(V3poService.class,
vppPollOperData);
startOperationalUpdateTimer();
// TODO make configurable
vppDataBrokerInitializationProvider = new VppDataBrokerInitializationProvider(db);
domBroker.registerProvider(vppDataBrokerInitializationProvider);
}
@Override
public void close() throws Exception {
LOG.info("VPP-INFO: V3poProvider Closed");
if (v3poService != null) {
v3poService.close();
}
if (api != null) {
api.close();
}
if (vppDataBrokerInitializationProvider != null) {
vppDataBrokerInitializationProvider.close();
}
}
}
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