Implements AMQ-5050: Populate a 'Host' header in the WireFormatInfo of the Openwire protocol to let multi-tenant proxies route connections.

activemq-broker/src/main/java/org/apache/activemq/broker/TransportConnection.java

@@ -1578,4 +1578,8 @@ public class TransportConnection implements Connection, Task, CommandVisitor {
         }
         return result;
     }
+
+    public WireFormatInfo getRemoteWireFormatInfo() {
+        return wireFormatInfo;
+    }
 }

activemq-broker/src/test/java/org/apache/activemq/broker/OpenwireConnectionTest.java

@@ -0,0 +1,82 @@
+/**
+ * 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.activemq.broker;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import javax.jms.Connection;
+import java.net.URI;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ */
+public class OpenwireConnectionTest {
+    BrokerService broker;
+    URI brokerConnectURI;
+
+    @Before
+    public void startBroker() throws Exception {
+        broker = new BrokerService();
+        broker.setPersistent(false);
+
+        TransportConnector connector = broker.addConnector(new TransportConnector());
+        connector.setUri(new URI("tcp://0.0.0.0:0"));
+        connector.setName("tcp");
+
+        broker.start();
+        broker.waitUntilStarted();
+
+        brokerConnectURI = broker.getConnectorByName("tcp").getConnectUri();
+    }
+
+    @After
+    public void stopBroker() throws Exception {
+        broker.stop();
+        broker.waitUntilStopped();
+    }
+
+    @Test
+    public void testAMQ5050DefaultHost() throws Exception {
+        // Let verify a host header is added to the connection.
+        Connection connection = new ActiveMQConnectionFactory(brokerConnectURI).createConnection();
+        connection.start();
+
+        CopyOnWriteArrayList<TransportConnection> connections = broker.getConnectorByName("tcp").getConnections();
+        assertEquals(1, connections.size());
+        assertNotNull(connections.get(0).getRemoteWireFormatInfo().getHost());
+        connection.stop();
+    }
+
+    @Test
+    public void testAMQ5050WithManualSpecifiedHost() throws Exception {
+        // Let verify a host header is added to the connection.
+        Connection connection = new ActiveMQConnectionFactory(brokerConnectURI+"?wireFormat.host=foo").createConnection();
+        connection.start();
+
+        CopyOnWriteArrayList<TransportConnection> connections = broker.getConnectorByName("tcp").getConnections();
+        assertEquals(1, connections.size());
+        assertEquals("foo", connections.get(0).getRemoteWireFormatInfo().getHost());
+        connection.stop();
+    }
+
+}

activemq-client/src/main/java/org/apache/activemq/command/WireFormatInfo.java

@@ -29,6 +29,7 @@ import org.apache.activemq.util.ByteArrayOutputStream;
 import org.apache.activemq.util.ByteSequence;
 import org.apache.activemq.util.MarshallingSupport;
 import org.apache.activemq.wireformat.WireFormat;
+import org.fusesource.hawtbuf.UTF8Buffer;
 
 /**
  * @openwire:marshaller code="1"
@@ -250,6 +251,18 @@ public class WireFormatInfo implements Command, MarshallAware {
         setProperty("TightEncodingEnabled", tightEncodingEnabled ? Boolean.TRUE : Boolean.FALSE);
     }
 
+    public String getHost() throws IOException {
+        UTF8Buffer buff = (UTF8Buffer) getProperty("Host");
+        if( buff == null ) {
+            return null;
+        }
+        return (String) buff.toString();
+    }
+
+    public void setHost(String hostname) throws IOException {
+        setProperty("Host", hostname);
+    }
+
     /**
      * @throws IOException
      */

activemq-client/src/main/java/org/apache/activemq/openwire/OpenWireFormatFactory.java

@@ -40,6 +40,7 @@ public class OpenWireFormatFactory implements WireFormatFactory {
     private long maxInactivityDurationInitalDelay = 10*1000;
     private int cacheSize = 1024;
     private long maxFrameSize = OpenWireFormat.DEFAULT_MAX_FRAME_SIZE;
+    private String host=null;
 
     public WireFormat createWireFormat() {
         WireFormatInfo info = new WireFormatInfo();
@@ -55,6 +56,9 @@ public class OpenWireFormatFactory implements WireFormatFactory {
             info.setMaxInactivityDurationInitalDelay(maxInactivityDurationInitalDelay);
             info.setCacheSize(cacheSize);
             info.setMaxFrameSize(maxFrameSize);
+            if( host!=null ) {
+                info.setHost(host);
+            }
         } catch (Exception e) {
             IllegalStateException ise = new IllegalStateException("Could not configure WireFormatInfo");
             ise.initCause(e);
@@ -147,4 +151,12 @@ public class OpenWireFormatFactory implements WireFormatFactory {
     public void setMaxFrameSize(long maxFrameSize) {
         this.maxFrameSize = maxFrameSize;
     }
+
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
 }

activemq-client/src/main/java/org/apache/activemq/transport/TransportFactory.java

@@ -112,6 +112,9 @@ public abstract class TransportFactory {
     public Transport doConnect(URI location) throws Exception {
         try {
             Map<String, String> options = new HashMap<String, String>(URISupport.parseParameters(location));
+            if( !options.containsKey("wireFormat.host") ) {
+                options.put("wireFormat.host", location.getHost());
+            }
             WireFormat wf = createWireFormat(options);
             Transport transport = createTransport(location, wf);
             Transport rc = configure(transport, wf, options);