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@@ -27,68 +27,74 @@ import java.util.concurrent.ConcurrentHashMap;
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@SuppressWarnings({ "rawtypes", "deprecation" })
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public abstract class SocketChannelPool {
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- private static EventLoopGroup group = new NioEventLoopGroup();//非阻塞IO线程组
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- private static Bootstrap boot = new Bootstrap();//主
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- private static Map<Channel,SocketChannel> chManager = new ConcurrentHashMap<Channel,SocketChannel>();
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-
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- static{
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- boot.group(group).channel(NioSocketChannel.class)
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- .option(ChannelOption.SO_RCVBUF, 32*1024)
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- .option(ChannelOption.SO_SNDBUF, 32*1024)
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- .option(ChannelOption.TCP_NODELAY, true)//如果是延时敏感型应用，建议关闭Nagle算法
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- .option(ChannelOption.SO_KEEPALIVE, true)
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- .option(ChannelOption.RCVBUF_ALLOCATOR, AdaptiveRecvByteBufAllocator.DEFAULT)
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- .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) //
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- .handler(new ChannelInitializer(){
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- @Override
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- protected void initChannel(Channel arg0) throws Exception {
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- arg0.pipeline().addLast(new BusinessHandler());//命令过滤和handler添加管理
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- }
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- });
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- }
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-
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- public static SocketChannel open(SocketAddress address) throws Exception {
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- final SocketChannel socket = new SocketChannel();
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- boot.connect(address).addListener(new ChannelFutureListener(){
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- @Override
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- public void operationComplete(ChannelFuture arg0) throws Exception {
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- if(arg0.isSuccess())
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- socket.setChannel(arg0.channel());
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- synchronized (socket) {
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- socket.notify();
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- }
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- }});
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- synchronized (socket) {
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- socket.wait();
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- }
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- if(null == socket.getChannel()){
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- throw new IOException("can't create socket!");
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- }
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- chManager.put(socket.getChannel(), socket);
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- return socket;
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- }
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+ private static EventLoopGroup group = new NioEventLoopGroup(); // 非阻塞IO线程组
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+ private static Bootstrap boot = new Bootstrap(); // 主
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+ private static Map<Channel, SocketChannel> chManager = new ConcurrentHashMap<Channel, SocketChannel>();
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- public static class BusinessHandler extends ChannelInboundHandlerAdapter {
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- private SocketChannel socket=null;
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- @Override
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- public void channelInactive(ChannelHandlerContext ctx) throws Exception {
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- socket.setChannel(null);
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- chManager.remove(ctx.channel());//移除
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- }
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- @Override
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- public void channelRead(ChannelHandlerContext ctx, Object msg)
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- throws Exception {
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- if(null == socket)
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- socket = chManager.get(ctx.channel());
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- if(socket != null){
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- socket.writeCache((ByteBuf) msg);
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- }
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- ReferenceCountUtil.release(msg);//添加防止内存泄漏的
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- }
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- @Override
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- public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
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- throws Exception {
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- ctx.close();
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- }
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- }
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+ static {
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+ boot.group(group)
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+ .channel(NioSocketChannel.class)
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+ .option(ChannelOption.SO_RCVBUF, 32 * 1024)
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+ .option(ChannelOption.SO_SNDBUF, 32 * 1024)
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+ .option(ChannelOption.TCP_NODELAY, true)
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+ // 如果是延时敏感型应用，建议关闭Nagle算法
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+ .option(ChannelOption.SO_KEEPALIVE, true)
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+ .option(ChannelOption.RCVBUF_ALLOCATOR, AdaptiveRecvByteBufAllocator.DEFAULT)
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+ .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
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+ //
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+ .handler(new ChannelInitializer() {
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+
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+ @Override
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+ protected void initChannel(Channel arg0) throws Exception {
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+ arg0.pipeline().addLast(new BusinessHandler());// 命令过滤和handler添加管理
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+ }
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+ });
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+ }
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+
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+ public static SocketChannel open(SocketAddress address) throws Exception {
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+ final SocketChannel socket = new SocketChannel();
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+ boot.connect(address).addListener(new ChannelFutureListener() {
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+
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+ @Override
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+ public void operationComplete(ChannelFuture arg0) throws Exception {
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+ if (arg0.isSuccess()) socket.setChannel(arg0.channel());
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+ synchronized (socket) {
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+ socket.notify();
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+ }
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+ }
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+ });
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+ synchronized (socket) {
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+ socket.wait();
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+ }
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+ if (null == socket.getChannel()) {
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+ throw new IOException("can't create socket!");
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+ }
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+ chManager.put(socket.getChannel(), socket);
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+ return socket;
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+ }
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+
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+ public static class BusinessHandler extends ChannelInboundHandlerAdapter {
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+
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+ private SocketChannel socket = null;
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+
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+ @Override
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+ public void channelInactive(ChannelHandlerContext ctx) throws Exception {
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+ socket.setChannel(null);
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+ chManager.remove(ctx.channel());// 移除
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+ }
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+
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+ @Override
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+ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
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+ if (null == socket) socket = chManager.get(ctx.channel());
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+ if (socket != null) {
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+ socket.writeCache((ByteBuf) msg);
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+ }
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+ ReferenceCountUtil.release(msg);// 添加防止内存泄漏的
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+ }
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+
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+ @Override
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+ public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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+ ctx.close();
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+ }
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+ }
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}
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agapple