[hbase] 01/01: HBASE-25139 add test for netty binding

[zh...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

zhangduo pushed a commit to branch HBASE-25139
in repository https://gitbox.apache.org/repos/asf/hbase.git

commit 94e9044d714907baa6c3aafefc55a255289c8f34
Author: Duo Zhang <zh...@apache.org>
AuthorDate: Thu Oct 1 21:59:35 2020 +0800

    HBASE-25139 add test for netty binding
---
 .../java/org/apache/hadoop/hbase/TestNetty.java    | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/TestNetty.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/TestNetty.java
new file mode 100644
index 0000000..4c8fc0c
--- /dev/null
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/TestNetty.java
@@ -0,0 +1,72 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase;
+
+import java.net.InetSocketAddress;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.testclassification.ClientTests;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.DNS;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hbase.thirdparty.io.netty.bootstrap.ServerBootstrap;
+import org.apache.hbase.thirdparty.io.netty.channel.Channel;
+import org.apache.hbase.thirdparty.io.netty.channel.ChannelInitializer;
+import org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoopGroup;
+import org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollServerSocketChannel;
+
+@Category({ ClientTests.class, SmallTests.class })
+public class TestNetty {
+
+  private static final Logger LOG = LoggerFactory.getLogger(TestNetty.class);
+
+  @ClassRule
+  public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestNetty.class);
+
+  @Test
+  public void test() throws Exception {
+    Configuration conf = HBaseConfiguration.create();
+    String hostname = DNS.getHostname(conf, DNS.ServerType.MASTER);
+    LOG.info("hostname is {}", hostname);
+    int port = 0;
+    LOG.info("port is {}", port);
+    InetSocketAddress initialIsa = new InetSocketAddress(hostname, port);
+    LOG.info("initial isa is {}", initialIsa);
+    InetSocketAddress bindAddress =
+      new InetSocketAddress(conf.get("hbase.master.ipc.address", hostname), port);
+    LOG.info("bind address is {}", bindAddress);
+    EpollEventLoopGroup group = new EpollEventLoopGroup();
+    Channel serverChannel = new ServerBootstrap().group(group)
+      .channel(EpollServerSocketChannel.class).childHandler(new ChannelInitializer<Channel>() {
+
+        @Override
+        protected void initChannel(Channel ch) throws Exception {
+          LOG.info("connected {}", ch);
+          ch.close();
+        }
+      }).bind(bindAddress).sync().channel();
+    LOG.info("server channel is {}", serverChannel);
+    Thread.sleep(1000);
+    serverChannel.close();
+    group.shutdownGracefully();
+  }
+}