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From davscl...@apache.org
Subject svn commit: r1455033 - in /camel/trunk/platforms/karaf/commands/src/main: java/org/apache/camel/karaf/commands/BacklogTracerCommand.java resources/OSGI-INF/blueprint/camel-commands.xml
Date Mon, 11 Mar 2013 07:58:41 GMT
Author: davsclaus
Date: Mon Mar 11 07:58:41 2013
New Revision: 1455033

URL: http://svn.apache.org/r1455033
Log:
CAMEL-6149: Backlog tracer karaf command. Work in progress.

Added:
    camel/trunk/platforms/karaf/commands/src/main/java/org/apache/camel/karaf/commands/BacklogTracerCommand.java
Modified:
    camel/trunk/platforms/karaf/commands/src/main/resources/OSGI-INF/blueprint/camel-commands.xml

Added: camel/trunk/platforms/karaf/commands/src/main/java/org/apache/camel/karaf/commands/BacklogTracerCommand.java
URL: http://svn.apache.org/viewvc/camel/trunk/platforms/karaf/commands/src/main/java/org/apache/camel/karaf/commands/BacklogTracerCommand.java?rev=1455033&view=auto
==============================================================================
--- camel/trunk/platforms/karaf/commands/src/main/java/org/apache/camel/karaf/commands/BacklogTracerCommand.java
(added)
+++ camel/trunk/platforms/karaf/commands/src/main/java/org/apache/camel/karaf/commands/BacklogTracerCommand.java
Mon Mar 11 07:58:41 2013
@@ -0,0 +1,128 @@
+/**
+ * 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.camel.karaf.commands;
+
+import java.io.StringReader;
+import java.text.SimpleDateFormat;
+import java.util.List;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Unmarshaller;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.Exchange;
+import org.apache.camel.api.management.mbean.BacklogTracerEventMessage;
+import org.apache.camel.processor.interceptor.BacklogTracer;
+import org.apache.camel.util.MessageDump;
+import org.apache.felix.gogo.commands.Argument;
+import org.apache.felix.gogo.commands.Command;
+import org.apache.felix.gogo.commands.Option;
+import org.apache.karaf.shell.console.OsgiCommandSupport;
+
+/**
+ * Command to use the <a href="camel.apache.org/backlogtracer">Backlog Tracer</a>.
+ */
+@Command(scope = "camel", name = "backlog-tracer", description = "Access the Backlog tracer")
+public class BacklogTracerCommand extends OsgiCommandSupport {
+
+    @Option(name ="-a", aliases = {"--action"}, description = "The action to perform.", required
= true, multiValued = false)
+    String action;
+
+    @Argument(index = 0, name = "context", description = "The name of the Camel context.",
required = true, multiValued = false)
+    String context;
+
+    @Argument(index = 1, name = "nodeId", description = "To dump trace messages only for
the given node id (default is all)", required = false, multiValued = false)
+    String route;
+
+    @Argument(index = 2, name = "format", description = "Format to use with the dump action
(default is xml)", required = false, multiValued = false)
+    String format;
+
+    private CamelController camelController;
+
+    public void setCamelController(CamelController camelController) {
+        this.camelController = camelController;
+    }
+
+    @Override
+    protected Object doExecute() throws Exception {
+        CamelContext camel = camelController.getCamelContext(context);
+        if (camel == null) {
+            System.err.println("CamelContext " + context + " not found.");
+            return null;
+        }
+
+        BacklogTracer backlogTracer = BacklogTracer.getBacklogTracer(camel);
+        if (backlogTracer == null) {
+            backlogTracer = (BacklogTracer) camel.getDefaultBacklogTracer();
+        }
+
+        if ("enable".equals(action)) {
+            backlogTracer.setEnabled(true);
+            System.out.println("BacklogTracer enabled on " + camel.getName());
+            return null;
+        } else if ("disable".equals(action)) {
+            backlogTracer.setEnabled(false);
+            System.out.println("BacklogTracer disabled on " + camel.getName());
+            return null;
+        } else if ("summary".equals(action)) {
+            System.out.println("BacklogTracer context:" + camel.getName());
+            System.out.println("BacklogTracer enabled:" + backlogTracer.isEnabled());
+            System.out.println("BacklogTracer backlogSize:" + backlogTracer.getBacklogSize());
+            System.out.println("BacklogTracer tracerCount:" + backlogTracer.getTraceCounter());
+            return null;
+        } else if ("dump".equals(action)) {
+            if (format == null || "xml".equals(format)) {
+                System.out.println("--------------------------------------------------------");
+                System.out.println("BacklogTracer messages:\n" + backlogTracer.dumpAllTracedMessagesAsXml());
+                return null;
+            } else if ("table".equals(format)) {
+                JAXBContext context = JAXBContext.newInstance(MessageDump.class);
+                Unmarshaller unmarshaller = context.createUnmarshaller();
+
+                // assume its a table
+                SimpleDateFormat sdf = new SimpleDateFormat(BacklogTracerEventMessage.TIMESTAMP_FORMAT);
+                List<BacklogTracerEventMessage> events = backlogTracer.dumpAllTracedMessages();
+                for (BacklogTracerEventMessage event : events) {
+                    System.out.println("--------------------------------------------------------");
+                    System.out.println("#" + event.getUid() + "\tExchangeId: " + event.getExchangeId());
+                    System.out.println("Timestamp: " + sdf.format(event.getTimestamp()));
+                    System.out.println("Route: " + event.getRouteId() + " --> " + event.getToNode());
+
+                    MessageDump msg = (MessageDump) unmarshaller.unmarshal(new StringReader(event.getMessageAsXml()));
+                    String breadcrumb = getBreadcrumbId(msg.getHeaders());
+                    if (breadcrumb != null) {
+                        System.out.println("Breadcrumb: " + breadcrumb);
+                    }
+                    System.out.println("Body: " + msg.getBody().getValue());
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private static String getBreadcrumbId(List<MessageDump.Header> headers) {
+        if (headers == null || headers.isEmpty()) {
+            return null;
+        }
+        for (MessageDump.Header header : headers) {
+            if (header.getKey().equals(Exchange.BREADCRUMB_ID)) {
+                return header.getValue();
+            }
+        }
+        return null;
+    }
+}

Modified: camel/trunk/platforms/karaf/commands/src/main/resources/OSGI-INF/blueprint/camel-commands.xml
URL: http://svn.apache.org/viewvc/camel/trunk/platforms/karaf/commands/src/main/resources/OSGI-INF/blueprint/camel-commands.xml?rev=1455033&r1=1455032&r2=1455033&view=diff
==============================================================================
--- camel/trunk/platforms/karaf/commands/src/main/resources/OSGI-INF/blueprint/camel-commands.xml
(original)
+++ camel/trunk/platforms/karaf/commands/src/main/resources/OSGI-INF/blueprint/camel-commands.xml
Mon Mar 11 07:58:41 2013
@@ -122,6 +122,15 @@
                 <null/>
             </completers>
         </command>
+        <command name="camel/backlog-tracer">
+            <action class="org.apache.camel.karaf.commands.BacklogTracerCommand">
+                <property name="camelController" ref="camelController"/>
+            </action>
+            <completers>
+                <ref component-id="camelContextCompleter"/>
+                <null/>
+            </completers>
+        </command>
     </command-bundle>
 
     <bean id="camelContextCompleter" class="org.apache.camel.karaf.commands.completers.CamelContextCompleter">



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