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[FIX_#3789][remote]cherry pick from dev to support netty heart beat

pull/3/MERGE
Kirs 4 years ago committed by lgcareer
parent
e740dc7645
commit
f0ff8e2eb0
7 changed files with 312 additions and 205 deletions
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  1. 190
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/NettyRemotingClient.java
  2. 166
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/NettyRemotingServer.java
  3. 7
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/command/CommandType.java
  4. 75
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/handler/NettyClientHandler.java
  5. 67
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/handler/NettyServerHandler.java
  6. 5
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/utils/Constants.java
  7. 7
      dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/utils/NettyUtils.java

190
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/NettyRemotingClient.java
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@ -18,10 +18,16 @@
package org.apache.dolphinscheduler.remote;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.*;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import org.apache.dolphinscheduler.remote.codec.NettyDecoder;
import org.apache.dolphinscheduler.remote.codec.NettyEncoder;
import org.apache.dolphinscheduler.remote.command.Command;
@ -38,6 +44,8 @@ import org.apache.dolphinscheduler.remote.processor.NettyRequestProcessor;
import org.apache.dolphinscheduler.remote.utils.Host;
import org.apache.dolphinscheduler.remote.utils.CallerThreadExecutePolicy;
import org.apache.dolphinscheduler.remote.utils.NamedThreadFactory;
import org.apache.dolphinscheduler.remote.utils.NettyUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -47,7 +55,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
/**
* remoting netty client
* remoting netty client
*/
public class NettyRemotingClient {
@ -59,7 +67,7 @@ public class NettyRemotingClient {
private final Bootstrap bootstrap = new Bootstrap();
/**
* encoder
* encoder
*/
private final NettyEncoder encoder = new NettyEncoder();
@ -69,57 +77,69 @@ public class NettyRemotingClient {
private final ConcurrentHashMap<Host, Channel> channels = new ConcurrentHashMap(128);
/**
* started flag
* started flag
*/
private final AtomicBoolean isStarted = new AtomicBoolean(false);
/**
* worker group
* worker group
*/
private final NioEventLoopGroup workerGroup;
private final EventLoopGroup workerGroup;
/**
* client config
* client config
*/
private final NettyClientConfig clientConfig;
/**
* saync semaphore
* saync semaphore
*/
private final Semaphore asyncSemaphore = new Semaphore(200, true);
/**
* callback thread executor
* callback thread executor
*/
private final ExecutorService callbackExecutor;
/**
* client handler
* client handler
*/
private final NettyClientHandler clientHandler;
/**
* response future executor
* response future executor
*/
private final ScheduledExecutorService responseFutureExecutor;
/**
* client init
* client init
*
* @param clientConfig client config
*/
public NettyRemotingClient(final NettyClientConfig clientConfig){
public NettyRemotingClient(final NettyClientConfig clientConfig) {
this.clientConfig = clientConfig;
this.workerGroup = new NioEventLoopGroup(clientConfig.getWorkerThreads(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
if (NettyUtils.useEpoll()) {
this.workerGroup = new EpollEventLoopGroup(clientConfig.getWorkerThreads(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyClient_%d", this.threadIndex.incrementAndGet()));
}
});
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyClient_%d", this.threadIndex.incrementAndGet()));
}
});
} else {
this.workerGroup = new NioEventLoopGroup(clientConfig.getWorkerThreads(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyClient_%d", this.threadIndex.incrementAndGet()));
}
});
}
this.callbackExecutor = new ThreadPoolExecutor(5, 10, 1, TimeUnit.MINUTES,
new LinkedBlockingQueue<>(1000), new NamedThreadFactory("CallbackExecutor", 10),
new CallerThreadExecutePolicy());
new LinkedBlockingQueue<>(1000), new NamedThreadFactory("CallbackExecutor", 10),
new CallerThreadExecutePolicy());
this.clientHandler = new NettyClientHandler(this, callbackExecutor);
this.responseFutureExecutor = Executors.newSingleThreadScheduledExecutor(new NamedThreadFactory("ResponseFutureExecutor"));
@ -128,26 +148,27 @@ public class NettyRemotingClient {
}
/**
* start
* start
*/
private void start(){
private void start() {
this.bootstrap
.group(this.workerGroup)
.channel(NioSocketChannel.class)
.option(ChannelOption.SO_KEEPALIVE, clientConfig.isSoKeepalive())
.option(ChannelOption.TCP_NODELAY, clientConfig.isTcpNoDelay())
.option(ChannelOption.SO_SNDBUF, clientConfig.getSendBufferSize())
.option(ChannelOption.SO_RCVBUF, clientConfig.getReceiveBufferSize())
.handler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(
new NettyDecoder(),
clientHandler,
encoder);
}
});
.group(this.workerGroup)
.channel(NettyUtils.getSocketChannelClass())
.option(ChannelOption.SO_KEEPALIVE, clientConfig.isSoKeepalive())
.option(ChannelOption.TCP_NODELAY, clientConfig.isTcpNoDelay())
.option(ChannelOption.SO_SNDBUF, clientConfig.getSendBufferSize())
.option(ChannelOption.SO_RCVBUF, clientConfig.getReceiveBufferSize())
.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, clientConfig.getConnectTimeoutMillis())
.handler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(
new NettyDecoder(),
clientHandler,
encoder);
}
});
this.responseFutureExecutor.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
@ -159,10 +180,11 @@ public class NettyRemotingClient {
}
/**
* async send
* @param host host
* @param command command
* @param timeoutMillis timeoutMillis
* async send
*
* @param host host
* @param command command
* @param timeoutMillis timeoutMillis
* @param invokeCallback callback function
* @throws InterruptedException
* @throws RemotingException
@ -182,22 +204,22 @@ public class NettyRemotingClient {
* control concurrency number
*/
boolean acquired = this.asyncSemaphore.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS);
if(acquired){
if (acquired) {
final ReleaseSemaphore releaseSemaphore = new ReleaseSemaphore(this.asyncSemaphore);
/**
* response future
*/
final ResponseFuture responseFuture = new ResponseFuture(opaque,
timeoutMillis,
invokeCallback,
releaseSemaphore);
timeoutMillis,
invokeCallback,
releaseSemaphore);
try {
channel.writeAndFlush(command).addListener(new ChannelFutureListener(){
channel.writeAndFlush(command).addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if(future.isSuccess()){
if (future.isSuccess()) {
responseFuture.setSendOk(true);
return;
} else {
@ -207,28 +229,29 @@ public class NettyRemotingClient {
responseFuture.putResponse(null);
try {
responseFuture.executeInvokeCallback();
} catch (Throwable ex){
} catch (Throwable ex) {
logger.error("execute callback error", ex);
} finally{
} finally {
responseFuture.release();
}
}
});
} catch (Throwable ex){
} catch (Throwable ex) {
responseFuture.release();
throw new RemotingException(String.format("send command to host: %s failed", host), ex);
}
} else{
} else {
String message = String.format("try to acquire async semaphore timeout: %d, waiting thread num: %d, total permits: %d",
timeoutMillis, asyncSemaphore.getQueueLength(), asyncSemaphore.availablePermits());
timeoutMillis, asyncSemaphore.getQueueLength(), asyncSemaphore.availablePermits());
throw new RemotingTooMuchRequestException(message);
}
}
/**
* sync send
* @param host host
* @param command command
*
* @param host host
* @param command command
* @param timeoutMillis timeoutMillis
* @return command
* @throws InterruptedException
@ -244,7 +267,7 @@ public class NettyRemotingClient {
channel.writeAndFlush(command).addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if(future.isSuccess()){
if (future.isSuccess()) {
responseFuture.setSendOk(true);
return;
} else {
@ -259,10 +282,10 @@ public class NettyRemotingClient {
* sync wait for result
*/
Command result = responseFuture.waitResponse();
if(result == null){
if(responseFuture.isSendOK()){
if (result == null) {
if (responseFuture.isSendOK()) {
throw new RemotingTimeoutException(host.toString(), timeoutMillis, responseFuture.getCause());
} else{
} else {
throw new RemotingException(host.toString(), responseFuture.getCause());
}
}
@ -270,8 +293,9 @@ public class NettyRemotingClient {
}
/**
* send task
* @param host host
* send task
*
* @param host host
* @param command command
* @throws RemotingException
*/
@ -296,33 +320,35 @@ public class NettyRemotingClient {
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param processor processor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor) {
this.registerProcessor(commandType, processor, null);
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param executor thread executor
* @param processor processor
* @param executor thread executor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor, final ExecutorService executor) {
this.clientHandler.registerProcessor(commandType, processor, executor);
}
/**
* get channel
* get channel
*
* @param host
* @return
*/
public Channel getChannel(Host host) {
Channel channel = channels.get(host);
if(channel != null && channel.isActive()){
if (channel != null && channel.isActive()) {
return channel;
}
return createChannel(host, true);
@ -330,17 +356,18 @@ public class NettyRemotingClient {
/**
* create channel
* @param host host
*
* @param host host
* @param isSync sync flag
* @return channel
*/
public Channel createChannel(Host host, boolean isSync) {
ChannelFuture future;
try {
synchronized (bootstrap){
synchronized (bootstrap) {
future = bootstrap.connect(new InetSocketAddress(host.getIp(), host.getPort()));
}
if(isSync){
if (isSync) {
future.sync();
}
if (future.isSuccess()) {
@ -358,16 +385,16 @@ public class NettyRemotingClient {
* close
*/
public void close() {
if(isStarted.compareAndSet(true, false)){
if (isStarted.compareAndSet(true, false)) {
try {
closeChannels();
if(workerGroup != null){
if (workerGroup != null) {
this.workerGroup.shutdownGracefully();
}
if(callbackExecutor != null){
if (callbackExecutor != null) {
this.callbackExecutor.shutdownNow();
}
if(this.responseFutureExecutor != null){
if (this.responseFutureExecutor != null) {
this.responseFutureExecutor.shutdownNow();
}
} catch (Exception ex) {
@ -378,9 +405,9 @@ public class NettyRemotingClient {
}
/**
* close channels
* close channels
*/
private void closeChannels(){
private void closeChannels() {
for (Channel channel : this.channels.values()) {
channel.close();
}
@ -389,11 +416,12 @@ public class NettyRemotingClient {
/**
* close channel
*
* @param host host
*/
public void closeChannel(Host host){
public void closeChannel(Host host) {
Channel channel = this.channels.remove(host);
if(channel != null){
if (channel != null) {
channel.close();
}
}

166
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/NettyRemotingServer.java
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@ -17,14 +17,6 @@
package org.apache.dolphinscheduler.remote;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import org.apache.dolphinscheduler.remote.codec.NettyDecoder;
import org.apache.dolphinscheduler.remote.codec.NettyEncoder;
import org.apache.dolphinscheduler.remote.command.CommandType;
@ -32,8 +24,7 @@ import org.apache.dolphinscheduler.remote.config.NettyServerConfig;
import org.apache.dolphinscheduler.remote.handler.NettyServerHandler;
import org.apache.dolphinscheduler.remote.processor.NettyRequestProcessor;
import org.apache.dolphinscheduler.remote.utils.Constants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.dolphinscheduler.remote.utils.NettyUtils;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
@ -41,45 +32,58 @@ import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
/**
* remoting netty server
* remoting netty server
*/
public class NettyRemotingServer {
private final Logger logger = LoggerFactory.getLogger(NettyRemotingServer.class);
/**
* server bootstrap
* server bootstrap
*/
private final ServerBootstrap serverBootstrap = new ServerBootstrap();
/**
* encoder
* encoder
*/
private final NettyEncoder encoder = new NettyEncoder();
/**
* default executor
* default executor
*/
private final ExecutorService defaultExecutor = Executors.newFixedThreadPool(Constants.CPUS);
/**
* boss group
*/
private final NioEventLoopGroup bossGroup;
private final EventLoopGroup bossGroup;
/**
* worker group
* worker group
*/
private final NioEventLoopGroup workGroup;
private final EventLoopGroup workGroup;
/**
* server config
* server config
*/
private final NettyServerConfig serverConfig;
/**
* server handler
* server handler
*/
private final NettyServerHandler serverHandler = new NettyServerHandler(this);
@ -89,82 +93,96 @@ public class NettyRemotingServer {
private final AtomicBoolean isStarted = new AtomicBoolean(false);
/**
* server init
* server init
*
* @param serverConfig server config
*/
public NettyRemotingServer(final NettyServerConfig serverConfig){
public NettyRemotingServer(final NettyServerConfig serverConfig) {
this.serverConfig = serverConfig;
if (NettyUtils.useEpoll()) {
this.bossGroup = new EpollEventLoopGroup(1, new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
this.bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerBossThread_%d", this.threadIndex.incrementAndGet()));
}
});
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerBossThread_%d", this.threadIndex.incrementAndGet()));
}
});
this.workGroup = new EpollEventLoopGroup(serverConfig.getWorkerThread(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
this.workGroup = new NioEventLoopGroup(serverConfig.getWorkerThread(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerWorkerThread_%d", this.threadIndex.incrementAndGet()));
}
});
} else {
this.bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerWorkerThread_%d", this.threadIndex.incrementAndGet()));
}
});
}
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerBossThread_%d", this.threadIndex.incrementAndGet()));
}
});
/**
* server start
*/
public void start(){
this.workGroup = new NioEventLoopGroup(serverConfig.getWorkerThread(), new ThreadFactory() {
private AtomicInteger threadIndex = new AtomicInteger(0);
if(this.isStarted.get()){
return;
@Override
public Thread newThread(Runnable r) {
return new Thread(r, String.format("NettyServerWorkerThread_%d", this.threadIndex.incrementAndGet()));
}
});
}
}
this.serverBootstrap
/**
* server start
*/
public void start() {
if (isStarted.compareAndSet(false, true)) {
this.serverBootstrap
.group(this.bossGroup, this.workGroup)
.channel(NioServerSocketChannel.class)
.channel(NettyUtils.getServerSocketChannelClass())
.option(ChannelOption.SO_REUSEADDR, true)
.option(ChannelOption.SO_BACKLOG, serverConfig.getSoBacklog())
.childOption(ChannelOption.SO_KEEPALIVE, serverConfig.isSoKeepalive())
.childOption(ChannelOption.TCP_NODELAY, serverConfig.isTcpNoDelay())
.childOption(ChannelOption.SO_SNDBUF, serverConfig.getSendBufferSize())
.childOption(ChannelOption.SO_RCVBUF, serverConfig.getReceiveBufferSize())
.childHandler(new ChannelInitializer<NioSocketChannel>() {
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(NioSocketChannel ch) throws Exception {
protected void initChannel(SocketChannel ch) throws Exception {
initNettyChannel(ch);
}
});
ChannelFuture future;
try {
future = serverBootstrap.bind(serverConfig.getListenPort()).sync();
} catch (Exception e) {
logger.error("NettyRemotingServer bind fail {}, exit",e.getMessage(), e);
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()));
}
if (future.isSuccess()) {
logger.info("NettyRemotingServer bind success at port : {}", serverConfig.getListenPort());
} else if (future.cause() != null) {
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()), future.cause());
} else {
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()));
ChannelFuture future;
try {
future = serverBootstrap.bind(serverConfig.getListenPort()).sync();
} catch (Exception e) {
logger.error("NettyRemotingServer bind fail {}, exit", e.getMessage(), e);
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()));
}
if (future.isSuccess()) {
logger.info("NettyRemotingServer bind success at port : {}", serverConfig.getListenPort());
} else if (future.cause() != null) {
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()), future.cause());
} else {
throw new RuntimeException(String.format("NettyRemotingServer bind %s fail", serverConfig.getListenPort()));
}
}
//
isStarted.compareAndSet(false, true);
}
/**
* init netty channel
* init netty channel
*
* @param ch socket channel
* @throws Exception
*/
private void initNettyChannel(NioSocketChannel ch) throws Exception{
private void initNettyChannel(SocketChannel ch) {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("encoder", encoder);
pipeline.addLast("decoder", new NettyDecoder());
@ -172,27 +190,29 @@ public class NettyRemotingServer {
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param processor processor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor) {
this.registerProcessor(commandType, processor, null);
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param executor thread executor
* @param processor processor
* @param executor thread executor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor, final ExecutorService executor) {
this.serverHandler.registerProcessor(commandType, processor, executor);
}
/**
* get default thread executor
* get default thread executor
*
* @return thread executor
*/
public ExecutorService getDefaultExecutor() {
@ -200,12 +220,12 @@ public class NettyRemotingServer {
}
public void close() {
if(isStarted.compareAndSet(true, false)){
if (isStarted.compareAndSet(true, false)) {
try {
if(bossGroup != null){
if (bossGroup != null) {
this.bossGroup.shutdownGracefully();
}
if(workGroup != null){
if (workGroup != null) {
this.workGroup.shutdownGracefully();
}
if(defaultExecutor != null){

7
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/command/CommandType.java
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@ -99,7 +99,12 @@ public enum CommandType {
TASK_KILL_RESPONSE,
/**
* ping
* HEART_BEAT
*/
HEART_BEAT,
/**
* ping
*/
PING,

75
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/handler/NettyClientHandler.java
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@ -14,9 +14,9 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.dolphinscheduler.remote.handler;
import io.netty.channel.*;
import org.apache.dolphinscheduler.remote.NettyRemotingClient;
import org.apache.dolphinscheduler.remote.command.Command;
import org.apache.dolphinscheduler.remote.command.CommandType;
@ -25,16 +25,24 @@ import org.apache.dolphinscheduler.remote.processor.NettyRequestProcessor;
import org.apache.dolphinscheduler.remote.utils.ChannelUtils;
import org.apache.dolphinscheduler.remote.utils.Constants;
import org.apache.dolphinscheduler.remote.utils.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.RejectedExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.timeout.IdleStateEvent;
/**
* netty client request handler
* netty client request handler
*/
@ChannelHandler.Sharable
public class NettyClientHandler extends ChannelInboundHandlerAdapter {
@ -42,12 +50,14 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
private final Logger logger = LoggerFactory.getLogger(NettyClientHandler.class);
/**
* netty client
* netty client
*/
private final NettyRemotingClient nettyRemotingClient;
private static byte[] heartBeatData = "heart_beat".getBytes();
/**
* callback thread executor
* callback thread executor
*/
private final ExecutorService callbackExecutor;
@ -57,19 +67,19 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
private final ConcurrentHashMap<CommandType, Pair<NettyRequestProcessor, ExecutorService>> processors;
/**
* default executor
* default executor
*/
private final ExecutorService defaultExecutor = Executors.newFixedThreadPool(Constants.CPUS);
public NettyClientHandler(NettyRemotingClient nettyRemotingClient, ExecutorService callbackExecutor){
public NettyClientHandler(NettyRemotingClient nettyRemotingClient, ExecutorService callbackExecutor) {
this.nettyRemotingClient = nettyRemotingClient;
this.callbackExecutor = callbackExecutor;
this.processors = new ConcurrentHashMap();
}
/**
* When the current channel is not active,
* the current channel has reached the end of its life cycle
* When the current channel is not active,
* the current channel has reached the end of its life cycle
*
* @param ctx channel handler context
* @throws Exception
@ -81,7 +91,7 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
}
/**
* The current channel reads data from the remote
* The current channel reads data from the remote
*
* @param ctx channel handler context
* @param msg message
@ -89,55 +99,55 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
*/
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
processReceived(ctx.channel(), (Command)msg);
processReceived(ctx.channel(), (Command) msg);
}
/**
* register processor
*
* @param commandType command type
* @param processor processor
* @param processor processor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor) {
this.registerProcessor(commandType, processor, null);
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param executor thread executor
* @param processor processor
* @param executor thread executor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor, final ExecutorService executor) {
ExecutorService executorRef = executor;
if(executorRef == null){
if (executorRef == null) {
executorRef = defaultExecutor;
}
this.processors.putIfAbsent(commandType, new Pair<>(processor, executorRef));
}
/**
* process received logic
* process received logic
*
* @param command command
*/
private void processReceived(final Channel channel, final Command command) {
ResponseFuture future = ResponseFuture.getFuture(command.getOpaque());
if(future != null){
if (future != null) {
future.setResponseCommand(command);
future.release();
if(future.getInvokeCallback() != null){
if (future.getInvokeCallback() != null) {
this.callbackExecutor.submit(new Runnable() {
@Override
public void run() {
future.executeInvokeCallback();
}
});
} else{
} else {
future.putResponse(command);
}
} else{
} else {
processByCommandType(channel, command);
}
}
@ -163,9 +173,10 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
}
/**
* caught exception
* @param ctx channel handler context
* @param cause cause
* caught exception
*
* @param ctx channel handler context
* @param cause cause
* @throws Exception
*/
@Override
@ -175,4 +186,18 @@ public class NettyClientHandler extends ChannelInboundHandlerAdapter {
ctx.channel().close();
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt instanceof IdleStateEvent) {
Command heartBeat = new Command();
heartBeat.setType(CommandType.HEART_BEAT);
heartBeat.setBody(heartBeatData);
ctx.writeAndFlush(heartBeat)
.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
} else {
super.userEventTriggered(ctx, evt);
}
}
}

67
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/handler/NettyServerHandler.java
Unescape View File

@ -17,22 +17,30 @@
package org.apache.dolphinscheduler.remote.handler;
import io.netty.channel.*;
import org.apache.dolphinscheduler.remote.NettyRemotingServer;
import org.apache.dolphinscheduler.remote.command.Command;
import org.apache.dolphinscheduler.remote.command.CommandType;
import org.apache.dolphinscheduler.remote.processor.NettyRequestProcessor;
import org.apache.dolphinscheduler.remote.utils.ChannelUtils;
import org.apache.dolphinscheduler.remote.utils.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.netty.channel.Channel;
import io.netty.channel.ChannelConfig;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.timeout.IdleStateEvent;
/**
* netty server request handler
* netty server request handler
*/
@ChannelHandler.Sharable
public class NettyServerHandler extends ChannelInboundHandlerAdapter {
@ -40,22 +48,23 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
private final Logger logger = LoggerFactory.getLogger(NettyServerHandler.class);
/**
* netty remote server
* netty remote server
*/
private final NettyRemotingServer nettyRemotingServer;
/**
* server processors queue
* server processors queue
*/
private final ConcurrentHashMap<CommandType, Pair<NettyRequestProcessor, ExecutorService>> processors = new ConcurrentHashMap();
public NettyServerHandler(NettyRemotingServer nettyRemotingServer){
public NettyServerHandler(NettyRemotingServer nettyRemotingServer) {
this.nettyRemotingServer = nettyRemotingServer;
}
/**
* When the current channel is not active,
* the current channel has reached the end of its life cycle
* When the current channel is not active,
* the current channel has reached the end of its life cycle
*
* @param ctx channel handler context
* @throws Exception
*/
@ -73,38 +82,39 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
*/
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
processReceived(ctx.channel(), (Command)msg);
processReceived(ctx.channel(), (Command) msg);
}
/**
* register processor
*
* @param commandType command type
* @param processor processor
* @param processor processor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor) {
this.registerProcessor(commandType, processor, null);
}
/**
* register processor
* register processor
*
* @param commandType command type
* @param processor processor
* @param executor thread executor
* @param processor processor
* @param executor thread executor
*/
public void registerProcessor(final CommandType commandType, final NettyRequestProcessor processor, final ExecutorService executor) {
ExecutorService executorRef = executor;
if(executorRef == null){
if (executorRef == null) {
executorRef = nettyRemotingServer.getDefaultExecutor();
}
this.processors.putIfAbsent(commandType, new Pair<>(processor, executorRef));
}
/**
* process received logic
* process received logic
*
* @param channel channel
* @param msg message
* @param msg message
*/
private void processReceived(final Channel channel, final Command msg) {
final CommandType commandType = msg.getType();
@ -132,22 +142,22 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
}
/**
* caught exception
* caught exception
*
* @param ctx channel handler context
* @param ctx channel handler context
* @param cause cause
* @throws Exception
*/
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
logger.error("exceptionCaught : {}",cause.getMessage(), cause);
logger.error("exceptionCaught : {}", cause.getMessage(), cause);
ctx.channel().close();
}
/**
* channel write changed
* channel write changed
*
* @param ctx channel handler context
* @param ctx channel handler context
* @throws Exception
*/
@Override
@ -158,16 +168,25 @@ public class NettyServerHandler extends ChannelInboundHandlerAdapter {
if (!ch.isWritable()) {
if (logger.isWarnEnabled()) {
logger.warn("{} is not writable, over high water level : {}",
ch, config.getWriteBufferHighWaterMark());
ch, config.getWriteBufferHighWaterMark());
}
config.setAutoRead(false);
} else {
if (logger.isWarnEnabled()) {
logger.warn("{} is writable, to low water : {}",
ch, config.getWriteBufferLowWaterMark());
ch, config.getWriteBufferLowWaterMark());
}
config.setAutoRead(true);
}
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt instanceof IdleStateEvent) {
ctx.channel().close();
} else {
super.userEventTriggered(ctx, evt);
}
}
}

5
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/utils/Constants.java
Unescape View File

@ -19,7 +19,6 @@ package org.apache.dolphinscheduler.remote.utils;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
/**
* constant
*/
@ -29,6 +28,10 @@ public class Constants {
public static final String SLASH = "/";
public static final int NETTY_SERVER_HEART_BEAT_TIME = 1000 * 60 * 3 + 1000;
public static final int NETTY_CLIENT_HEART_BEAT_TIME = 1000 * 60;
/**
* charset
*/

7
dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/utils/NettyUtils.java
Unescape View File

@ -0,0 +1,7 @@
package org.apache.dolphinscheduler.remote.utils;
/**
* Created by Administrator on 2020/10/14.
*/
public class NettyUtils {
}
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