Replace Preconditions.CheckNotNull per RequireNonNull

[bgpcep.git] / bgp / bmp-mock / src / main / java / org / opendaylight / protocol / bmp / mock / BmpMockDispatcher.java

diff --git a/bgp/bmp-mock/src/main/java/org/opendaylight/protocol/bmp/mock/BmpMockDispatcher.java b/bgp/bmp-mock/src/main/java/org/opendaylight/protocol/bmp/mock/BmpMockDispatcher.java
index ee90382fa8db07231cc4f24b73c7a49525a841ea..fb94861819539d6d6ba7a6a702fe71f18a02091a 100644 (file)
--- a/bgp/bmp-mock/src/main/java/org/opendaylight/protocol/bmp/mock/BmpMockDispatcher.java
+++ b/bgp/bmp-mock/src/main/java/org/opendaylight/protocol/bmp/mock/BmpMockDispatcher.java
@@ -8,13 +8,20 @@
 
 package org.opendaylight.protocol.bmp.mock;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import io.netty.bootstrap.Bootstrap;
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.buffer.PooledByteBufAllocator;
+import io.netty.channel.Channel;
 import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelInitializer;
 import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
 import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
 import io.netty.channel.socket.nio.NioSocketChannel;
+import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import org.opendaylight.protocol.bmp.api.BmpSessionFactory;
 import org.opendaylight.protocol.bmp.impl.BmpHandlerFactory;
@@ -22,39 +29,78 @@ import org.opendaylight.protocol.bmp.spi.registry.BmpMessageRegistry;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public final class BmpMockDispatcher {
+final class BmpMockDispatcher {
 
     private static final Logger LOG = LoggerFactory.getLogger(BmpMockDispatcher.class);
     private static final int CONNECT_TIMEOUT = 2000;
+    private static final int MAX_CONNECTIONS_COUNT = 128;
 
-    final BmpHandlerFactory hf;
+    private final BmpHandlerFactory hf;
     private final BmpSessionFactory sessionFactory;
 
-    public BmpMockDispatcher(final BmpMessageRegistry registry, final BmpSessionFactory sessionFactory) {
-        this.sessionFactory = Preconditions.checkNotNull(sessionFactory);
-        Preconditions.checkNotNull(registry);
+    private final EventLoopGroup bossGroup = new NioEventLoopGroup();
+    private final EventLoopGroup workerGroup = new NioEventLoopGroup();
+
+    BmpMockDispatcher(final BmpMessageRegistry registry, final BmpSessionFactory sessionFactory) {
+        this.sessionFactory = requireNonNull(sessionFactory);
+        requireNonNull(registry);
         this.hf = new BmpHandlerFactory(registry);
     }
 
-    public ChannelFuture createClient(final SocketAddress localAddress, final SocketAddress remoteAddress) {
+    private Bootstrap createClientInstance(final SocketAddress localAddress) {
         final NioEventLoopGroup workergroup = new NioEventLoopGroup();
-        final Bootstrap b = new Bootstrap();
+        final Bootstrap bootstrap = new Bootstrap();
 
-        b.channel(NioSocketChannel.class);
-        b.option(ChannelOption.SO_KEEPALIVE, true);
-        b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, CONNECT_TIMEOUT);
-        b.group(workergroup);
+        bootstrap.channel(NioSocketChannel.class);
+        bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
+        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, CONNECT_TIMEOUT);
+        bootstrap.option(ChannelOption.SO_REUSEADDR, true);
+        bootstrap.group(workergroup);
 
-        b.handler(new ChannelInitializer<NioSocketChannel>() {
+        bootstrap.handler(new ChannelInitializer<NioSocketChannel>() {
             @Override
             protected void initChannel(final NioSocketChannel ch) throws Exception {
                 ch.pipeline().addLast(BmpMockDispatcher.this.sessionFactory.getSession(ch, null));
                 ch.pipeline().addLast(BmpMockDispatcher.this.hf.getEncoders());
             }
         });
-        b.localAddress(localAddress);
-        b.remoteAddress(remoteAddress);
-        LOG.debug("BMP client {} <--> {} deployed", localAddress, remoteAddress);
-        return b.connect();
+        bootstrap.localAddress(localAddress);
+        return bootstrap;
+    }
+
+    ChannelFuture createClient(final SocketAddress localAddress, final SocketAddress remoteAddress) {
+        requireNonNull(localAddress);
+        requireNonNull(remoteAddress);
+
+        // ideally we should use Bootstrap clones here
+        final Bootstrap bootstrap = createClientInstance(localAddress);
+        final ChannelFuture channelFuture = bootstrap.connect(remoteAddress);
+        LOG.info("BMP client {} <--> {} deployed", localAddress, remoteAddress);
+        return channelFuture;
+    }
+
+    private ServerBootstrap createServerInstance() {
+        final ServerBootstrap serverBootstrap = new ServerBootstrap();
+        serverBootstrap.childHandler(new ChannelInitializer<Channel>() {
+            @Override
+            protected void initChannel(final Channel ch) throws Exception {
+                ch.pipeline().addLast(BmpMockDispatcher.this.sessionFactory.getSession(ch, null));
+                ch.pipeline().addLast(BmpMockDispatcher.this.hf.getEncoders());
+            }
+        });
+
+        serverBootstrap.option(ChannelOption.SO_BACKLOG, MAX_CONNECTIONS_COUNT);
+        serverBootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
+        serverBootstrap.channel(NioServerSocketChannel.class);
+        serverBootstrap.group(this.bossGroup, this.workerGroup);
+        return serverBootstrap;
+    }
+
+    ChannelFuture createServer(final InetSocketAddress localAddress) {
+        requireNonNull(localAddress);
+        final ServerBootstrap serverBootstrap = createServerInstance();
+        final ChannelFuture channelFuture = serverBootstrap.bind(localAddress);
+        LOG.info("Initiated BMP server at {}.", localAddress);
+        return channelFuture;
     }
 }