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/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.incubator.net.virtual.impl;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.Service;
import org.onosproject.incubator.net.tunnel.TunnelId;
import org.onosproject.incubator.net.virtual.NetworkId;
import org.onosproject.incubator.net.virtual.TenantId;
import org.onosproject.incubator.net.virtual.VirtualDevice;
import org.onosproject.incubator.net.virtual.VirtualLink;
import org.onosproject.incubator.net.virtual.VirtualNetwork;
import org.onosproject.incubator.net.virtual.VirtualNetworkAdminService;
import org.onosproject.incubator.net.virtual.VirtualNetworkEvent;
import org.onosproject.incubator.net.virtual.VirtualNetworkListener;
import org.onosproject.incubator.net.virtual.VirtualNetworkProvider;
import org.onosproject.incubator.net.virtual.VirtualNetworkProviderRegistry;
import org.onosproject.incubator.net.virtual.VirtualNetworkProviderService;
import org.onosproject.incubator.net.virtual.VirtualNetworkService;
import org.onosproject.incubator.net.virtual.VirtualNetworkStore;
import org.onosproject.incubator.net.virtual.VirtualNetworkStoreDelegate;
import org.onosproject.incubator.net.virtual.VirtualPort;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.onosproject.net.provider.AbstractListenerProviderRegistry;
import org.onosproject.net.provider.AbstractProviderService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Set;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Implementation of the virtual network service.
*/
@Component(immediate = true)
@Service
public class VirtualNetworkManager
extends AbstractListenerProviderRegistry<VirtualNetworkEvent, VirtualNetworkListener,
VirtualNetworkProvider, VirtualNetworkProviderService>
implements VirtualNetworkService, VirtualNetworkAdminService, VirtualNetworkProviderRegistry {
private final Logger log = LoggerFactory.getLogger(getClass());
private static final String TENANT_NULL = "Tenant ID cannot be null";
private static final String NETWORK_NULL = "Network ID cannot be null";
private static final String DEVICE_NULL = "Device ID cannot be null";
private static final String LINK_POINT_NULL = "Link end-point cannot be null";
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected VirtualNetworkStore store;
private VirtualNetworkStoreDelegate delegate = new InternalStoreDelegate();
// TODO: figure out how to coordinate "implementation" of a virtual network in a cluster
@Activate
protected void activate() {
store.setDelegate(delegate);
log.info("Started");
}
@Deactivate
protected void deactivate() {
store.unsetDelegate(delegate);
log.info("Stopped");
}
@Override
public void registerTenantId(TenantId tenantId) {
checkNotNull(tenantId, TENANT_NULL);
store.addTenantId(tenantId);
}
@Override
public void unregisterTenantId(TenantId tenantId) {
checkNotNull(tenantId, TENANT_NULL);
store.removeTenantId(tenantId);
}
@Override
public Set<TenantId> getTenantIds() {
return store.getTenantIds();
}
@Override
public VirtualNetwork createVirtualNetwork(TenantId tenantId) {
checkNotNull(tenantId, TENANT_NULL);
return store.addNetwork(tenantId);
}
@Override
public void removeVirtualNetwork(NetworkId networkId) {
checkNotNull(networkId, NETWORK_NULL);
store.removeNetwork(networkId);
}
@Override
public VirtualDevice createVirtualDevice(NetworkId networkId, DeviceId deviceId) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(deviceId, DEVICE_NULL);
return store.addDevice(networkId, deviceId);
}
@Override
public void removeVirtualDevice(NetworkId networkId, DeviceId deviceId) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(deviceId, DEVICE_NULL);
store.removeDevice(networkId, deviceId);
}
@Override
public VirtualLink createVirtualLink(NetworkId networkId,
ConnectPoint src, ConnectPoint dst,
TunnelId realizedBy) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(src, LINK_POINT_NULL);
checkNotNull(dst, LINK_POINT_NULL);
checkNotNull(realizedBy, "Tunnel ID cannot be null");
return store.addLink(networkId, src, dst, realizedBy);
}
@Override
public void removeVirtualLink(NetworkId networkId, ConnectPoint src, ConnectPoint dst) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(src, LINK_POINT_NULL);
checkNotNull(dst, LINK_POINT_NULL);
store.removeLink(networkId, src, dst);
}
@Override
public VirtualPort createVirtualPort(NetworkId networkId, DeviceId deviceId,
PortNumber portNumber, Port realizedBy) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(deviceId, DEVICE_NULL);
checkNotNull(portNumber, "Port description cannot be null");
return store.addPort(networkId, deviceId, portNumber, realizedBy);
}
@Override
public void removeVirtualPort(NetworkId networkId, DeviceId deviceId, PortNumber portNumber) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(deviceId, DEVICE_NULL);
checkNotNull(portNumber, "Port number cannot be null");
store.removePort(networkId, deviceId, portNumber);
}
@Override
public Set<VirtualNetwork> getVirtualNetworks(TenantId tenantId) {
checkNotNull(tenantId, TENANT_NULL);
return store.getNetworks(tenantId);
}
@Override
public Set<VirtualDevice> getVirtualDevices(NetworkId networkId) {
checkNotNull(networkId, NETWORK_NULL);
return store.getDevices(networkId);
}
@Override
public Set<VirtualLink> getVirtualLinks(NetworkId networkId) {
checkNotNull(networkId, NETWORK_NULL);
return store.getLinks(networkId);
}
@Override
public Set<VirtualPort> getVirtualPorts(NetworkId networkId, DeviceId deviceId) {
checkNotNull(networkId, NETWORK_NULL);
checkNotNull(deviceId, DEVICE_NULL);
return store.getPorts(networkId, deviceId);
}
@Override
public <T> T get(NetworkId networkId, Class<T> serviceClass) {
checkNotNull(networkId, NETWORK_NULL);
return null;
}
@Override
protected VirtualNetworkProviderService createProviderService(VirtualNetworkProvider provider) {
return new InternalVirtualNetworkProviderService(provider);
}
// Service issued to registered virtual network providers so that they
// can interact with the core.
private class InternalVirtualNetworkProviderService
extends AbstractProviderService<VirtualNetworkProvider>
implements VirtualNetworkProviderService {
InternalVirtualNetworkProviderService(VirtualNetworkProvider provider) {
super(provider);
}
}
// Auxiliary store delegate to receive notification about changes in
// the virtual network configuration store state - by the store itself.
private class InternalStoreDelegate implements VirtualNetworkStoreDelegate {
@Override
public void notify(VirtualNetworkEvent event) {
post(event);
}
}
}
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