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黄志磊
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Jan 19, 2016
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,19 +1,25 @@ | ||
| package com.shinemo.mpush.api; | ||
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| import io.netty.channel.ChannelHandler; | ||
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| public interface Client { | ||
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| void init(); | ||
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| void start(); | ||
| boolean isConnected(); | ||
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| void stop(); | ||
| String getHost(); | ||
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| boolean isConnected(); | ||
| int getPort(); | ||
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| void close(String cause); | ||
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| boolean isEnabled(); | ||
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| void resetHbTimes(); | ||
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| int inceaseAndGetHbTimes(); | ||
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| String getUri(); | ||
| String getUrl(); | ||
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| ChannelHandler getHandler(); | ||
| void startHeartBeat() throws Exception; | ||
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| } |
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152 changes: 83 additions & 69 deletions
152
mpush-netty/src/main/java/com/shinemo/mpush/netty/client/NettyClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,95 +1,109 @@ | ||
| package com.shinemo.mpush.netty.client; | ||
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| import java.net.InetSocketAddress; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import com.shinemo.mpush.netty.codec.PacketDecoder; | ||
| import com.shinemo.mpush.netty.codec.PacketEncoder; | ||
| import io.netty.bootstrap.Bootstrap; | ||
| import io.netty.buffer.PooledByteBufAllocator; | ||
| import io.netty.channel.*; | ||
| import io.netty.channel.nio.NioEventLoopGroup; | ||
| import io.netty.channel.socket.SocketChannel; | ||
| import io.netty.channel.socket.nio.NioSocketChannel; | ||
| import io.netty.util.Timeout; | ||
| import io.netty.util.TimerTask; | ||
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| import org.apache.commons.lang3.StringUtils; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import com.shinemo.mpush.api.Client; | ||
| import com.shinemo.mpush.api.protocol.Packet; | ||
| import com.shinemo.mpush.netty.util.NettySharedHolder; | ||
| import com.shinemo.mpush.tools.config.ConfigCenter; | ||
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| public class NettyClient implements Client { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(NettyClient.class); | ||
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| private static final String format = "%s:%s"; | ||
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| private static final Logger log = LoggerFactory.getLogger(NettyClient.class); | ||
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| private final ChannelHandler handler; | ||
| private final String host; | ||
| private final int port; | ||
| private Channel channel; | ||
| private int hbTimes; | ||
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| public NettyClient(final String host, final int port, ChannelHandler handler) { | ||
| public NettyClient(final String host, final int port, Channel channel) { | ||
| this.host = host; | ||
| this.port = port; | ||
| this.handler = handler; | ||
| this.channel = channel; | ||
| } | ||
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| @Override | ||
| public void init() { | ||
| this.stop(); | ||
| EventLoopGroup workerGroup = new NioEventLoopGroup(); | ||
| final Bootstrap bootstrap = new Bootstrap(); | ||
| bootstrap.group(workerGroup)// | ||
| .option(ChannelOption.TCP_NODELAY, true)// | ||
| .option(ChannelOption.SO_REUSEADDR, true)// | ||
| .option(ChannelOption.SO_KEEPALIVE, true)// | ||
| .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)// | ||
| .channel(NioSocketChannel.class) | ||
| .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 4000); | ||
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| bootstrap.handler(new ChannelInitializer<SocketChannel>() { // (4) | ||
| @Override | ||
| public void initChannel(SocketChannel ch) throws Exception { | ||
| ch.pipeline().addLast(new PacketDecoder()); | ||
| ch.pipeline().addLast(PacketEncoder.INSTANCE); | ||
| ch.pipeline().addLast(handler); | ||
| } | ||
| }); | ||
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| ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port)); | ||
| if (future.awaitUninterruptibly(4000) && future.isSuccess() && future.channel().isActive()) { | ||
| channel = future.channel(); | ||
| } else { | ||
| future.cancel(true); | ||
| future.channel().close(); | ||
| LOGGER.warn("[remoting] failure to connect:" + host + "," + port); | ||
| } | ||
| } | ||
| public void close(String cause) { | ||
| if (!StringUtils.isBlank(cause) && !"null".equals(cause.trim())) { | ||
| log.error("close channel:"+cause); | ||
| } | ||
| this.channel.close(); | ||
| } | ||
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| @Override | ||
| public void start() { | ||
| if (channel != null) { | ||
| try { | ||
| channel.closeFuture().sync(); | ||
| } catch (InterruptedException e) { | ||
| } | ||
| } | ||
| } | ||
| @Override | ||
| public boolean isEnabled() { | ||
| return channel.isWritable(); | ||
| } | ||
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| @Override | ||
| public void stop() { | ||
| if (channel != null) { | ||
| channel.close(); | ||
| } | ||
| } | ||
| @Override | ||
| public boolean isConnected() { | ||
| return channel.isActive(); | ||
| } | ||
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| @Override | ||
| public boolean isConnected() { | ||
| return channel.isActive(); | ||
| } | ||
| @Override | ||
| public void resetHbTimes() { | ||
| hbTimes = 0; | ||
| } | ||
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| @Override | ||
| public String getUri() { | ||
| return host + ":" + port; | ||
| } | ||
| @Override | ||
| public int inceaseAndGetHbTimes() { | ||
| return ++hbTimes; | ||
| } | ||
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| @Override | ||
| public void startHeartBeat() throws Exception { | ||
| NettySharedHolder.HASHED_WHEEL_TIMER.newTimeout(new TimerTask() { | ||
| @Override | ||
| public void run(Timeout timeout) throws Exception { | ||
| try { | ||
| ChannelFuture channelFuture = channel.writeAndFlush(Packet.getHBPacket()); | ||
| channelFuture.addListener(new ChannelFutureListener() { | ||
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| @Override | ||
| public void operationComplete(ChannelFuture future) throws Exception { | ||
| if (!future.isSuccess()) { | ||
| if (!channel.isActive()) { | ||
| log.warn("client send hb msg false:" + channel.remoteAddress().toString() + ",channel is not active"); | ||
| } | ||
| log.warn("client send msg hb false:" + channel.remoteAddress().toString()); | ||
| } else { | ||
| log.warn("client send msg hb success:" + channel.remoteAddress().toString()); | ||
| } | ||
| } | ||
| }); | ||
| } finally { | ||
| if (channel.isActive()) { | ||
| NettySharedHolder.HASHED_WHEEL_TIMER.newTimeout(this, ConfigCenter.holder.scanConnTaskCycle()/1000, TimeUnit.SECONDS); | ||
| } | ||
| } | ||
| } | ||
| }, ConfigCenter.holder.scanConnTaskCycle()/1000, TimeUnit.SECONDS); | ||
| } | ||
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| @Override | ||
| public String getUrl() { | ||
| return String.format(format, host, port); | ||
| } | ||
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| @Override | ||
| public String getHost() { | ||
| return host; | ||
| } | ||
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| @Override | ||
| public int getPort() { | ||
| return port; | ||
| } | ||
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| @Override | ||
| public ChannelHandler getHandler() { | ||
| return handler; | ||
| } | ||
| } |
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