1 files changed, 141 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelOpenHandler.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelOpenHandler.java
new file mode 100644
index 0000000000..6d874ee971
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelOpenHandler.java
@@ -0,0 +1,141 @@
+/*
+ *
+ * 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.qpid.server.handler;
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.UUID;
+
+import org.apache.log4j.Logger;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.ChannelOpenBody;
+import org.apache.qpid.framing.ChannelOpenOkBody;
+import org.apache.qpid.framing.MethodRegistry;
+import org.apache.qpid.framing.ProtocolVersion;
+import org.apache.qpid.framing.amqp_0_9.MethodRegistry_0_9;
+import org.apache.qpid.framing.amqp_0_91.MethodRegistry_0_91;
+import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
+import org.apache.qpid.protocol.AMQConstant;
+import org.apache.qpid.server.AMQChannel;
+import org.apache.qpid.server.protocol.AMQProtocolSession;
+import org.apache.qpid.server.state.AMQStateManager;
+import org.apache.qpid.server.state.StateAwareMethodListener;
+import org.apache.qpid.server.virtualhost.VirtualHost;
+
+public class ChannelOpenHandler implements StateAwareMethodListener<ChannelOpenBody>
+{
+    private static final Logger _logger = Logger.getLogger(ChannelOpenHandler.class);
+    
+    private static ChannelOpenHandler _instance = new ChannelOpenHandler();
+
+    public static ChannelOpenHandler getInstance()
+    {
+        return _instance;
+    }
+
+    private ChannelOpenHandler()
+    {
+    }
+
+    public void methodReceived(AMQStateManager stateManager, ChannelOpenBody body, int channelId) throws AMQException
+    {
+        AMQProtocolSession session = stateManager.getProtocolSession();
+        VirtualHost virtualHost = session.getVirtualHost();
+        
+        // Protect the broker against out of order frame request.
+        if (virtualHost == null)
+        {
+            throw new AMQException(AMQConstant.COMMAND_INVALID, "Virtualhost has not yet been set. ConnectionOpen has not been called.", null);
+        }
+        _logger.info("Connecting to: " + virtualHost.getName());
+
+        final AMQChannel channel = new AMQChannel(session,channelId, virtualHost.getMessageStore());
+        
+        session.addChannel(channel);
+
+        ChannelOpenOkBody response;
+
+        ProtocolVersion pv = session.getProtocolVersion();
+
+        if(pv.equals(ProtocolVersion.v8_0))
+        {
+            MethodRegistry_8_0 methodRegistry = (MethodRegistry_8_0) MethodRegistry.getMethodRegistry(ProtocolVersion.v8_0);
+            response = methodRegistry.createChannelOpenOkBody();
+
+        }
+        else if(pv.equals(ProtocolVersion.v0_9))
+        {
+            MethodRegistry_0_9 methodRegistry = (MethodRegistry_0_9) MethodRegistry.getMethodRegistry(ProtocolVersion.v0_9);
+            UUID uuid = UUID.randomUUID();
+            ByteArrayOutputStream output = new ByteArrayOutputStream();
+            DataOutputStream dataOut = new DataOutputStream(output);
+            try
+            {
+                dataOut.writeLong(uuid.getMostSignificantBits());
+                dataOut.writeLong(uuid.getLeastSignificantBits());
+                dataOut.flush();
+                dataOut.close();
+            }
+            catch (IOException e)
+            {
+                // This *really* shouldn't happen as we're not doing any I/O
+                throw new RuntimeException("I/O exception when writing to byte array", e);
+            }
+
+            // should really associate this channelId to the session
+            byte[] channelName = output.toByteArray();
+            
+            response = methodRegistry.createChannelOpenOkBody(channelName);
+        }
+        else if(pv.equals(ProtocolVersion.v0_91))
+        {
+            MethodRegistry_0_91 methodRegistry = (MethodRegistry_0_91) MethodRegistry.getMethodRegistry(ProtocolVersion.v0_91);
+            UUID uuid = UUID.randomUUID();
+            ByteArrayOutputStream output = new ByteArrayOutputStream();
+            DataOutputStream dataOut = new DataOutputStream(output);
+            try
+            {
+                dataOut.writeLong(uuid.getMostSignificantBits());
+                dataOut.writeLong(uuid.getLeastSignificantBits());
+                dataOut.flush();
+                dataOut.close();
+            }
+            catch (IOException e)
+            {
+                // This *really* shouldn't happen as we're not doing any I/O
+                throw new RuntimeException("I/O exception when writing to byte array", e);
+            }
+
+            // should really associate this channelId to the session
+            byte[] channelName = output.toByteArray();
+
+            response = methodRegistry.createChannelOpenOkBody(channelName);
+        }
+        else
+        {
+            throw new AMQException(AMQConstant.INTERNAL_ERROR, "Got channel open for protocol version not catered for: " + pv, null);
+        }
+
+
+        session.writeFrame(response.generateFrame(channelId));
+    }
+}