package org.opendaylight.lispflowmapping.southbound;
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
+import static io.netty.buffer.Unpooled.wrappedBuffer;
+
+import com.google.common.base.Preconditions;
+
+import io.netty.bootstrap.Bootstrap;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelFutureListener;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.DatagramPacket;
+import io.netty.channel.socket.nio.NioDatagramChannel;
+import io.netty.util.concurrent.DefaultThreadFactory;
+
import java.net.InetAddress;
import java.net.InetSocketAddress;
-import java.net.SocketException;
-import java.net.SocketTimeoutException;
+import java.net.UnknownHostException;
import java.nio.ByteBuffer;
-
-import org.apache.commons.lang3.exception.ExceptionUtils;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
-import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
-import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
-import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
-import org.opendaylight.lispflowmapping.implementation.serializer.LispMessage;
-import org.opendaylight.lispflowmapping.southbound.lisp.ILispSouthboundService;
-import org.opendaylight.lispflowmapping.southbound.lisp.LispSouthboundService;
-import org.opendaylight.lispflowmapping.southbound.lisp.LispXtrSouthboundService;
+import java.util.concurrent.ThreadFactory;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
+import org.opendaylight.lispflowmapping.clustering.ClusterNodeModulSwitcherImpl;
+import org.opendaylight.lispflowmapping.clustering.api.ClusterNodeModuleSwitcher;
+import org.opendaylight.lispflowmapping.lisp.type.LispMessage;
+import org.opendaylight.lispflowmapping.southbound.lisp.LispSouthboundHandler;
+import org.opendaylight.lispflowmapping.southbound.lisp.LispXtrSouthboundHandler;
import org.opendaylight.lispflowmapping.type.sbplugin.IConfigLispSouthboundPlugin;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LfmControlPlaneService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.transportaddress.TransportAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.inet.binary.types.rev160303.IpAddressBinary;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MessageType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.transport.address.TransportAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.OdlLispSbService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.lisp.sb.config.rev150517.LispSbConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.net.InetAddresses;
-
-public class LispSouthboundPlugin implements IConfigLispSouthboundPlugin, AutoCloseable, BindingAwareProvider {
+public class LispSouthboundPlugin implements IConfigLispSouthboundPlugin, AutoCloseable, ClusterNodeModuleSwitcher {
protected static final Logger LOG = LoggerFactory.getLogger(LispSouthboundPlugin.class);
private static Object startLock = new Object();
- private LispIoThread lispThread;
- private LispIoThread xtrThread;
- private LispSouthboundService lispSouthboundService;
- private LispXtrSouthboundService lispXtrSouthboundService;
- private NotificationProviderService notificationService;
- private RpcProviderRegistry rpcRegistry;
- private BindingAwareBroker broker;
- private volatile DatagramSocket socket = null;
- private volatile String bindingAddress = null;
+ private final ClusterNodeModulSwitcherImpl clusterNodeModulSwitcher;
+ private LispSouthboundHandler lispSouthboundHandler;
+ private LispXtrSouthboundHandler lispXtrSouthboundHandler;
+ private NotificationPublishService notificationPublishService;
+ private NioDatagramChannel channel;
+ private volatile String bindingAddress = "0.0.0.0";
private volatile int xtrPort = LispMessage.XTR_PORT_NUM;
private volatile boolean listenOnXtrPort = false;
- private BindingAwareBroker.RpcRegistration<LfmControlPlaneService> controlPlaneRpc;
- private DatagramSocket xtrSocket;
+ private boolean mapRegisterCacheEnabled = true;
+ private RpcRegistration<OdlLispSbService> sbRpcRegistration;
+ private NioDatagramChannel xtrChannel;
+ private LispSouthboundStats statistics = new LispSouthboundStats();
+ private Bootstrap bootstrap = new Bootstrap();
+ private Bootstrap xtrBootstrap = new Bootstrap();
+ private ThreadFactory threadFactory = new DefaultThreadFactory("lisp-sb");
+ private EventLoopGroup eventLoopGroup = new NioEventLoopGroup(0, threadFactory);
+ private DataBroker dataBroker;
+
+ public LispSouthboundPlugin(final DataBroker dataBroker,
+ final NotificationPublishService notificationPublishService,
+ final LispSbConfig lispSbConfig, final EntityOwnershipService entityOwnershipService) {
+ this.dataBroker = dataBroker;
+ this.notificationPublishService = notificationPublishService;
+ this.bindingAddress = lispSbConfig.getBindAddress();
+ this.mapRegisterCacheEnabled = lispSbConfig.isMapRegisterCache();
+ clusterNodeModulSwitcher = new ClusterNodeModulSwitcherImpl(entityOwnershipService);
+ clusterNodeModulSwitcher.setModule(this);
+ }
public void init() {
- LOG.info("LISP (RFC6830) Mapping Service is up!");
- final LfmControlPlaneRpc lfmCpRpc = new LfmControlPlaneRpc(this);
+ LOG.info("LISP (RFC6830) Southbound Plugin is initializing...");
+ synchronized (startLock) {
+ lispSouthboundHandler = new LispSouthboundHandler(this);
+ lispSouthboundHandler.setDataBroker(dataBroker);
+ lispSouthboundHandler.setNotificationProvider(this.notificationPublishService);
+ lispSouthboundHandler.setMapRegisterCacheEnabled(mapRegisterCacheEnabled);
+ lispSouthboundHandler.init();
+ lispSouthboundHandler.restoreDaoFromDatastore();
- controlPlaneRpc = rpcRegistry.addRpcImplementation(LfmControlPlaneService.class, lfmCpRpc);
- broker.registerProvider(this);
+ lispXtrSouthboundHandler = new LispXtrSouthboundHandler();
+ lispXtrSouthboundHandler.setNotificationProvider(this.notificationPublishService);
- synchronized (startLock) {
- lispSouthboundService = new LispSouthboundService();
- lispXtrSouthboundService = new LispXtrSouthboundService();
- lispSouthboundService.setNotificationProvider(this.notificationService);
- lispXtrSouthboundService.setNotificationProvider(this.notificationService);
- LOG.trace("Provider Session initialized");
- if (bindingAddress == null) {
- setLispAddress("0.0.0.0");
- }
- LOG.info("LISP (RFC6830) Mapping Service is up!");
- }
- }
+ bootstrap.group(eventLoopGroup);
+ bootstrap.channel(NioDatagramChannel.class);
+ bootstrap.handler(lispSouthboundHandler);
- public void setNotificationProviderService(NotificationProviderService notificationService) {
- this.notificationService = notificationService;
- }
+ xtrBootstrap.group(eventLoopGroup);
+ xtrBootstrap.channel(NioDatagramChannel.class);
+ xtrBootstrap.handler(lispXtrSouthboundHandler);
- public void setRpcRegistryDependency(RpcProviderRegistry rpcRegistry) {
- this.rpcRegistry = rpcRegistry;
- }
+ start();
+ startXtr();
- public void setBindingAwareBroker(BindingAwareBroker broker) {
- this.broker = broker;
+ LOG.info("LISP (RFC6830) Southbound Plugin is up!");
+ }
+ clusterNodeModulSwitcher.switchModuleByEntityOwnership();
}
- private void unloadActions() {
- if (lispThread != null) {
- lispThread.stopRunning();
- }
- lispSouthboundService = null;
- lispXtrSouthboundService = null;
- lispThread = null;
- xtrThread = null;
- bindingAddress = null;
- LOG.info("LISP (RFC6830) Mapping Service is down!");
+ private void start() {
try {
- Thread.sleep(1100);
- } catch (InterruptedException e) {
+ channel = (NioDatagramChannel) bootstrap.bind(bindingAddress, LispMessage.PORT_NUM).sync().channel();
+ LOG.debug("Binding LISP UDP listening socket to {}:{}", bindingAddress, LispMessage.PORT_NUM);
+ } catch (Exception e) {
+ LOG.error("Failed to open main socket ", e);
}
}
- private class LispIoThread extends Thread {
- private volatile boolean shouldRun;
- private volatile DatagramSocket threadSocket = null;
- private volatile ILispSouthboundService service;
- private volatile boolean running;
-
- public LispIoThread(DatagramSocket socket, ILispSouthboundService service) {
- super("Lisp Thread");
- this.threadSocket = socket;
- this.service = service;
- shouldRun = true;
- }
-
- @Override
- public void run() {
- running = true;
-
- int lispReceiveTimeout = 1000;
-
- LOG.info("LISP (RFC6830) Mapping Service is running and listening on address: " + bindingAddress
- + " port: " + threadSocket.getLocalPort());
+ private void startXtr() {
+ if (listenOnXtrPort) {
try {
-
- threadSocket.setSoTimeout(lispReceiveTimeout);
- } catch (SocketException e) {
- LOG.error("Cannot open socket on UDP port " + threadSocket.getLocalPort(), e);
- return;
+ xtrChannel = (NioDatagramChannel) xtrBootstrap.bind(bindingAddress, xtrPort).sync().channel();
+ LOG.debug("Binding LISP xTR UDP listening socket to {}:{}", bindingAddress, xtrPort);
+ } catch (Exception e) {
+ LOG.error("Failed to open xTR socket ", e);
}
+ }
+ }
- while (shouldRun) {
- byte[] buffer = new byte[4096];
- DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
- try {
- threadSocket.receive(packet);
- LOG.trace("Received a packet!");
- } catch (SocketTimeoutException ste) {
- continue;
- } catch (IOException e) {
- LOG.warn("IO Exception while trying to recieve packet", e);
- }
- LOG.trace(String.format("Handling packet from {%s}:{%d} (len={%d})", packet.getAddress()
- .getHostAddress(), packet.getPort(), packet.getLength()));
+ private void stop() {
+ try {
+ channel.close().sync();
+ channel = null;
+ } catch (Exception e) {
+ LOG.error("Failed to close main socket ", e);
+ }
+ }
- try {
- this.service.handlePacket(packet);
- } catch (Exception e) {
- LOG.warn("Error while handling packet", e);
- }
+ private void stopXtr() {
+ if (listenOnXtrPort) {
+ try {
+ xtrChannel.close().sync();
+ xtrChannel = null;
+ } catch (Exception e) {
+ LOG.error("Failed to close xTR socket ", e);
}
-
- threadSocket.close();
- LOG.trace("Socket closed");
- running = false;
}
+ }
- public void stopRunning() {
- shouldRun = false;
- }
+ private void restart() {
+ LOG.info("Reloading");
+ stop();
+ start();
+ }
- public boolean isRunning() {
- return running;
- }
+ private void restartXtr() {
+ LOG.info("Reloading xTR");
+ stopXtr();
+ startXtr();
}
- public static String intToIpv4(int address) {
- return ((address >> 24) & 0xff) + "." + //
- ((address >> 16) & 0xff) + "." + //
- ((address >> 8) & 0xff) + "." + //
- ((address >> 0) & 0xff);
+ private void unloadActions() {
+ lispSouthboundHandler = null;
+ lispXtrSouthboundHandler = null;
+
+ stop();
+ stopXtr();
+
+ LOG.info("LISP (RFC6830) Southbound Plugin is down!");
}
- public String getHelp() {
- StringBuffer help = new StringBuffer();
- help.append("---LISP Southbound Plugin---\n");
- return help.toString();
+ public void handleSerializedLispBuffer(TransportAddress address, ByteBuffer outBuffer,
+ final MessageType packetType) {
+ InetAddress ip = getInetAddress(address);
+ handleSerializedLispBuffer(ip, outBuffer, packetType, address.getPort().getValue());
}
- private void startIOThread() {
- if (socket != null) {
- while (!socket.isClosed()) {
- try {
- Thread.sleep(500);
- } catch (InterruptedException e) {
- }
- }
+ public void handleSerializedLispBuffer(InetAddress address, ByteBuffer outBuffer,
+ final MessageType packetType, final int portNumber) {
+ InetSocketAddress recipient = new InetSocketAddress(address, portNumber);
+ outBuffer.position(0);
+ ByteBuf data = wrappedBuffer(outBuffer);
+ DatagramPacket packet = new DatagramPacket(data, recipient);
+ LOG.debug("Sending {} on port {} to address: {}", packetType, portNumber, address);
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Buffer:\n{}", ByteBufUtil.prettyHexDump(data));
}
- try {
- socket = new DatagramSocket(new InetSocketAddress(bindingAddress, LispMessage.PORT_NUM));
- lispThread = new LispIoThread(socket, lispSouthboundService);
- lispThread.start();
- LOG.info("LISP (RFC6830) Mapping Service Southbound Plugin is up!");
- if (listenOnXtrPort) {
- restartXtrThread();
+ channel.write(packet).addListener(new ChannelFutureListener() {
+ @Override
+ public void operationComplete(ChannelFuture future) {
+ if (future.isSuccess()) {
+ LOG.trace("Success");
+ statistics.incrementTx(packetType.getIntValue());
+ } else {
+ LOG.warn("Failed to send packet");
+ statistics.incrementTxErrors();
+ }
}
- } catch (SocketException e) {
- LOG.error("couldn't start socket: {}", ExceptionUtils.getStackTrace(e));
- }
+ });
+ channel.flush();
}
- private void restartXtrThread() {
+ private InetAddress getInetAddress(TransportAddress address) {
+ Preconditions.checkNotNull(address, "TransportAddress must not be null");
+ IpAddressBinary ip = address.getIpAddress();
try {
- stopXtrThread();
- xtrSocket = new DatagramSocket(new InetSocketAddress(bindingAddress, xtrPort));
- xtrThread = new LispIoThread(xtrSocket, lispXtrSouthboundService);
- xtrThread.start();
- LOG.info("xTR Southbound Plugin is up!");
- } catch (SocketException e) {
- LOG.warn("failed to start xtr thread: {}", ExceptionUtils.getStackTrace(e));
+ if (ip.getIpv4AddressBinary() != null) {
+ return InetAddress.getByAddress(ip.getIpv4AddressBinary().getValue());
+ } else if (ip.getIpv6AddressBinary() != null) {
+ return InetAddress.getByAddress(ip.getIpv6AddressBinary().getValue());
+ }
+ } catch (UnknownHostException e) {
+ LOG.debug("Could not convert TransportAddress {} to InetAddress", address, e);
}
+ return null;
}
- public void handleSerializedLispBuffer(TransportAddress address, ByteBuffer outBuffer, String packetType) {
- DatagramPacket packet = new DatagramPacket(outBuffer.array(), outBuffer.limit());
- packet.setPort(address.getPort().getValue());
- InetAddress ip = InetAddresses.forString(new String(address.getIpAddress().getValue()));
- packet.setAddress(ip);
- try {
- if (LOG.isDebugEnabled()) {
- LOG.trace("Sending " + packetType + " on port " + address.getPort().getValue() + " to address: " + ip);
- }
- socket.send(packet);
- } catch (IOException e) {
- LOG.warn("Failed to send " + packetType, e);
- }
+ public LispSouthboundStats getStats() {
+ return statistics;
}
+ @Override
public void setLispAddress(String address) {
synchronized (startLock) {
- if (bindingAddress != null && bindingAddress.equals(address)) {
- LOG.trace("configured lisp binding address didn't change.");
+ if (bindingAddress.equals(address)) {
+ LOG.debug("Configured LISP binding address didn't change.");
} else {
- String action = (bindingAddress == null ? "Setting" : "Resetting");
- LOG.trace(action + " lisp binding address to: " + address);
+ LOG.debug("Setting LISP binding address to {}", address);
bindingAddress = address;
- if (lispThread != null) {
- lispThread.stopRunning();
- while (lispThread.isRunning()) {
- try {
- Thread.sleep(500);
- } catch (InterruptedException e) {
- }
+ if (channel != null) {
+ try {
+ restart();
+ restartXtr();
+ } catch (Exception e) {
+ LOG.error("Failed to set LISP binding address: ", e);
}
}
- stopXtrThread();
- startIOThread();
- }
- }
- }
-
- private void stopXtrThread() {
- if (xtrThread != null) {
- xtrThread.stopRunning();
- while (xtrThread.isRunning()) {
- try {
- Thread.sleep(500);
- } catch (InterruptedException e) {
- }
}
}
}
public void shouldListenOnXtrPort(boolean shouldListenOnXtrPort) {
listenOnXtrPort = shouldListenOnXtrPort;
if (listenOnXtrPort) {
- LOG.debug("restarting xtr thread");
- restartXtrThread();
+ restartXtr();
} else {
- LOG.debug("terminating thread");
- stopXtrThread();
+ LOG.info("Shutting down xTR");
+ stopXtr();
}
}
public void setXtrPort(int port) {
this.xtrPort = port;
if (listenOnXtrPort) {
- restartXtrThread();
+ restartXtr();
+ }
+ }
+
+ public void setMapRegisterCacheEnabled(final boolean mapRegisterCacheEnabled) {
+ this.mapRegisterCacheEnabled = mapRegisterCacheEnabled;
+ if (mapRegisterCacheEnabled) {
+ LOG.info("Enabling Map-Register cache");
+ } else {
+ LOG.info("Disabling Map-Register cache");
}
}
@Override
public void close() throws Exception {
+ eventLoopGroup.shutdownGracefully();
+ sbRpcRegistration.close();
+ lispSouthboundHandler.close();
unloadActions();
- controlPlaneRpc.close();
}
@Override
- public void onSessionInitiated(ProviderContext session) {
- LOG.debug("LispSouthboundPlugin Provider Session Initiated");
+ public void stopModule() {
+ if (lispSouthboundHandler != null) {
+ lispSouthboundHandler.setNotificationProvider(null);
+ lispSouthboundHandler.setIsReadFromChannelEnabled(false);
+ }
+ if (lispXtrSouthboundHandler != null) {
+ lispXtrSouthboundHandler.setNotificationProvider(null);
+ }
+ }
+
+ @Override
+ public void startModule() {
+ if (lispSouthboundHandler != null) {
+ lispSouthboundHandler.setNotificationProvider(notificationPublishService);
+ lispSouthboundHandler.restoreDaoFromDatastore();
+ lispSouthboundHandler.setIsReadFromChannelEnabled(true);
+ }
+ if (lispXtrSouthboundHandler != null) {
+ lispXtrSouthboundHandler.setNotificationProvider(notificationPublishService);
+ }
}
}
Code Review / lispflowmapping.git / blobdiff