fixed issue #483 , show slave hosts

Author: agapple

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/socket/BioSocketChannel.java

@@ -138,6 +138,16 @@ public SocketAddress getRemoteSocketAddress() {
         if (socket != null) {
             return socket.getRemoteSocketAddress();
         }
+
+        return null;
+    }
+
+    public SocketAddress getLocalSocketAddress() {
+        Socket socket = this.socket;
+        if (socket != null) {
+            return socket.getLocalSocketAddress();
+        }
+
         return null;
     }
 

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/socket/NettySocketChannel.java

@@ -216,6 +216,10 @@ public SocketAddress getRemoteSocketAddress() {
         return channel != null ? channel.remoteAddress() : null;
     }
 
+    public SocketAddress getLocalSocketAddress() {
+        return channel != null ? channel.localAddress() : null;
+    }
+
     public void close() {
         if (channel != null) {
             channel.close();

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/socket/SocketChannel.java

@@ -21,5 +21,7 @@ public interface SocketChannel {
 
     public SocketAddress getRemoteSocketAddress();
 
+    public SocketAddress getLocalSocketAddress();
+
     public void close();
 }

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlConnection.java

@@ -4,6 +4,7 @@
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
+import java.net.SocketAddress;
 import java.nio.charset.Charset;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
@@ -254,10 +255,18 @@ public void dump(GTIDSet gtidSet, MultiStageCoprocessor coprocessor) throws IOEx
 
     private void sendRegisterSlave() throws IOException {
         RegisterSlaveCommandPacket cmd = new RegisterSlaveCommandPacket();
-        cmd.reportHost = authInfo.getAddress().getAddress().getHostAddress();
+        SocketAddress socketAddress = connector.getChannel().getLocalSocketAddress();
+        if (socketAddress == null || !(socketAddress instanceof InetSocketAddress)) {
+            return;
+        }
+
+        InetSocketAddress address = (InetSocketAddress) socketAddress;
+        String host = address.getHostString();
+        int port = address.getPort();
+        cmd.reportHost = host;
+        cmd.reportPort = port;
         cmd.reportPasswd = authInfo.getPassword();
         cmd.reportUser = authInfo.getUsername();
-        cmd.reportPort = authInfo.getAddress().getPort(); // 暂时先用master节点的port
         cmd.serverId = this.slaveId;
         byte[] cmdBody = cmd.toBytes();
 

parse/src/test/java/com/alibaba/otter/canal/parse/MysqlBinlogDumpPerformanceTest.java

@@ -20,12 +20,12 @@ public class MysqlBinlogDumpPerformanceTest {
 
     public static void main(String args[]) {
         final MysqlEventParser controller = new MysqlEventParser();
-        final EntryPosition startPosition = new EntryPosition("mysql-bin.001699", 120L, 100L);
+        final EntryPosition startPosition = new EntryPosition("mysql-bin.000007", 89796293L, 100L);
         controller.setConnectionCharset(Charset.forName("UTF-8"));
         controller.setSlaveId(3344L);
         controller.setDetectingEnable(false);
         controller.setFilterQueryDml(true);
-        controller.setMasterInfo(new AuthenticationInfo(new InetSocketAddress("127.0.0.1", 3328), "root", "hello"));
+        controller.setMasterInfo(new AuthenticationInfo(new InetSocketAddress("100.81.154.142", 3306), "canal", "canal"));
         controller.setMasterPosition(startPosition);
         controller.setEnableTsdb(false);
         controller.setDestination("example");