/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.handlers.debug;
import java.io.IOException;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.SourceFactory.SourceBuilder;
import com.cloudera.flume.core.Event;
import com.cloudera.flume.core.EventSource;
/**
* Syslog parser depends on using '\n' as a record delimiter. When we just use
* random data, there is a chance that '\n's are in the event and can foul
* benchmarks (due to format exceptions) that assume clean data.
*
* This wrapper just replaces '\n' with ' '
*/
public class NoNlSynthSource extends SynthSource {
public NoNlSynthSource(long count, int size, long seed) {
super(count, size, seed);
}
public NoNlSynthSource(long count, int size) {
super(count, size);
}
public Event next() throws IOException {
Event e = super.next();
if (e == null)
return null;
// NOTE: this is a reference to the body. and will be modified
byte[] body = e.getBody();
for (int i = 0; i < body.length; i++) {
if (body[i] == '\n')
body[i] = ' ';
}
return e;
}
public static SourceBuilder builder() {
return new SourceBuilder() {
@Override
public EventSource build(Context ctx, String... argv) {
int size = 150;
long count = 0;
if (argv.length > 2) {
throw new IllegalArgumentException(
"usage: asciisynth([count=0 [,randsize=150]]) // count=0 infinite");
}
if (argv.length >= 1) {
count = Long.parseLong(argv[0]);
}
if (argv.length >= 2)
size = Integer.parseInt(argv[1]);
return new NoNlSynthSource(count, size);
}
};
}
}