/**
* 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 org.apache.camel.CamelContext;
import org.apache.camel.processor.interceptor.BacklogTracer;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Option;
/**
* Command to use the <a href="camel.apache.org/backlogtracer">Backlog Tracer</a>.
*/
@Command(scope = "camel", name = "backlog-tracer-start", description = "Starts the Backlog tracer")
public class BacklogTracerStart extends CamelCommandSupport {
@Argument(index = 0, name = "context", description = "The name of the Camel context.",
required = true, multiValued = false)
String context;
@Option(name = "--pattern", aliases = "-p", description = "To trace messages only for nodes or routes matching the given pattern (default is all)",
required = false, multiValued = false)
String pattern;
@Option(name = "--filter", aliases = "-f", description = "To trace messages only for nodes or routes matching the given filter (using simple language by default)",
required = false, multiValued = false)
String filter;
@Option(name = "--backlogSize", aliases = "-s", description = "Number of maximum traced messages in total to keep in the backlog (FIFO queue)",
required = false, multiValued = false, valueToShowInHelp = "1000")
Integer backlogSize;
@Option(name = "--removeOnDump", aliases = "-r", description = "Whether to remove traced messages when dumping the messages",
required = false, multiValued = false)
Boolean removeOnDump;
@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();
}
backlogTracer.setEnabled(true);
if (backlogSize != null) {
backlogTracer.setBacklogSize(backlogSize);
}
if (removeOnDump != null) {
backlogTracer.setRemoveOnDump(removeOnDump);
}
backlogTracer.setTracePattern(pattern);
backlogTracer.setTraceFilter(filter);
System.out.println("BacklogTracer started on " + camel.getName() + " with size: " + backlogTracer.getBacklogSize());
return null;
}
}