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Using native transport (epoll) with netty

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This commit is contained in:
Madan Jampani 2014-10-20 16:55:54 -07:00
parent e0ec329402
commit f22f204354
1 changed files with 20 additions and 6 deletions
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26
utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
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@ -16,7 +16,11 @@ import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.ServerChannel;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.epoll.EpollServerSocketChannel;
import io.netty.channel.epoll.EpollSocketChannel;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
@ -40,9 +44,10 @@ public class NettyMessagingService implements MessagingService {
private final int port;
private final Endpoint localEp;
private final EventLoopGroup bossGroup = new NioEventLoopGroup();
private EventLoopGroup bossGroup;
private EventLoopGroup workerGroup;
private Class<? extends Channel> channelClass;
private Class<? extends Channel> clientChannelClass;
private Class<? extends ServerChannel> serverChannelClass;
private final ConcurrentMap<String, MessageHandler> handlers = new ConcurrentHashMap<>();
private final Cache<Long, AsyncResponse> responseFutures = CacheBuilder.newBuilder()
.maximumSize(100000)
@ -55,8 +60,17 @@ public class NettyMessagingService implements MessagingService {
// TODO: make this configurable.
private void initEventLoopGroup() {
workerGroup = new NioEventLoopGroup();
channelClass = NioSocketChannel.class;
try {
bossGroup = new EpollEventLoopGroup();
workerGroup = new EpollEventLoopGroup();
clientChannelClass = EpollSocketChannel.class;
serverChannelClass = EpollServerSocketChannel.class;
} catch (Throwable th) {
bossGroup = new NioEventLoopGroup();
workerGroup = new NioEventLoopGroup();
serverChannelClass = NioServerSocketChannel.class;
clientChannelClass = NioSocketChannel.class;
}
}
public NettyMessagingService() {
@ -150,7 +164,7 @@ public class NettyMessagingService implements MessagingService {
// TODO: Need JVM options to configure PooledByteBufAllocator.
b.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.channel(serverChannelClass)
.childHandler(new OnosCommunicationChannelInitializer())
.option(ChannelOption.SO_BACKLOG, 128)
.childOption(ChannelOption.SO_KEEPALIVE, true);
@ -181,7 +195,7 @@ public class NettyMessagingService implements MessagingService {
bootstrap.group(workerGroup);
// TODO: Make this faster:
// http://normanmaurer.me/presentations/2014-facebook-eng-netty/slides.html#37.0
bootstrap.channel(channelClass);
bootstrap.channel(clientChannelClass);
bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
bootstrap.handler(new OnosCommunicationChannelInitializer());
// Start the client.