[incubator-dubbo] branch master updated: add socks5 proxy support (#3624)

[liujun]

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liujun pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-dubbo.git


The following commit(s) were added to refs/heads/master by this push:
     new 083605a  add socks5 proxy  support (#3624)
083605a is described below

commit 083605ad06dbccc7d833ff7dc84a62b736df44b5
Author: hongye <email...@gmail.com>
AuthorDate: Fri Apr 26 11:00:55 2019 +0800

    add socks5 proxy  support (#3624)
---
 .../dubbo/remoting/transport/netty4/NettyClient.java     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git 
a/dubbo-remoting/dubbo-remoting-netty4/src/main/java/org/apache/dubbo/remoting/transport/netty4/NettyClient.java
 
b/dubbo-remoting/dubbo-remoting-netty4/src/main/java/org/apache/dubbo/remoting/transport/netty4/NettyClient.java
index 7ba4a63..322d658 100644
--- 
a/dubbo-remoting/dubbo-remoting-netty4/src/main/java/org/apache/dubbo/remoting/transport/netty4/NettyClient.java
+++ 
b/dubbo-remoting/dubbo-remoting-netty4/src/main/java/org/apache/dubbo/remoting/transport/netty4/NettyClient.java
@@ -21,6 +21,7 @@ import org.apache.dubbo.common.URL;
 import org.apache.dubbo.common.Version;
 import org.apache.dubbo.common.logger.Logger;
 import org.apache.dubbo.common.logger.LoggerFactory;
+import org.apache.dubbo.common.utils.ConfigUtils;
 import org.apache.dubbo.common.utils.NetUtils;
 import org.apache.dubbo.common.utils.UrlUtils;
 import org.apache.dubbo.remoting.ChannelHandler;
@@ -35,11 +36,14 @@ import io.netty.channel.ChannelInitializer;
 import io.netty.channel.ChannelOption;
 import io.netty.channel.nio.NioEventLoopGroup;
 import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.proxy.Socks5ProxyHandler;
 import io.netty.handler.timeout.IdleStateHandler;
 import io.netty.util.concurrent.DefaultThreadFactory;
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
+import java.net.InetSocketAddress;
+
 /**
  * NettyClient.
  */
@@ -48,6 +52,12 @@ public class NettyClient extends AbstractClient {
     private static final Logger logger = 
LoggerFactory.getLogger(NettyClient.class);
 
     private static final NioEventLoopGroup nioEventLoopGroup = new 
NioEventLoopGroup(Constants.DEFAULT_IO_THREADS, new 
DefaultThreadFactory("NettyClientWorker", true));
+    
+    private static final String SOCKS_PROXY_HOST = "socksProxyHost";
+
+    private static final String SOCKS_PROXY_PORT = "socksProxyPort";
+
+    private static final String DEFAULT_SOCKS_PROXY_PORT = "1080";
 
     private Bootstrap bootstrap;
 
@@ -85,6 +95,12 @@ public class NettyClient extends AbstractClient {
                         .addLast("encoder", adapter.getEncoder())
                         .addLast("client-idle-handler", new 
IdleStateHandler(heartbeatInterval, 0, 0, MILLISECONDS))
                         .addLast("handler", nettyClientHandler);
+                String socksProxyHost = 
ConfigUtils.getProperty(SOCKS_PROXY_HOST);
+                if(socksProxyHost != null) {
+                    int socksProxyPort = 
Integer.parseInt(ConfigUtils.getProperty(SOCKS_PROXY_PORT, 
DEFAULT_SOCKS_PROXY_PORT));
+                    Socks5ProxyHandler socks5ProxyHandler = new 
Socks5ProxyHandler(new InetSocketAddress(socksProxyHost, socksProxyPort));
+                    ch.pipeline().addFirst(socks5ProxyHandler);
+                }
             }
         });
     }