io.covert.binary.analysis.BinaryAnalysisJob.java Source code

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Here is the source code for io.covert.binary.analysis.BinaryAnalysisJob.java

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/*
 * 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 io.covert.binary.analysis;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;

public class BinaryAnalysisJob extends Configured implements Tool {

    private static void usage(String msg) {
        System.err.println("Error: " + msg);
        System.err.println(
                "Usage: hadoop jar JARFILE.jar " + BinaryAnalysisJob.class.getName() + " <inDir> <outDir>");
        System.err.println("    inDir  - HDFS input dir");
        System.err.println("    outDir - HDFS output dir\n");

        System.err.println("    Required Settings:");
        for (String name : requiredSettings) {
            System.err.println("        " + name);
        }
        System.err.println("    Optional Settings:");
        for (String name : optionalSettings) {
            System.err.println("        " + name);
        }

        System.exit(-1);
    }

    private static String[] requiredSettings = { "binary.analysis.output.parser", "binary.analysis.program",
            "binary.analysis.program.args", "binary.analysis.program.exit.codes" };

    private static String[] optionalSettings = { "binary.analysis.file.extention",
            "binary.analysis.execution.timeoutMS", "binary.analysis.program.args.delim", };

    @Override
    public int run(String[] args) throws Exception {

        if (args.length != 2) {
            usage("");
        }

        String inDir = args[0];
        String outDir = args[1];

        Configuration conf = getConf();
        for (String name : requiredSettings) {
            if (conf.get(name) == null)
                usage("Missing required setting: " + name);
        }

        Job job = new Job(conf);
        job.setJobName(BinaryAnalysisJob.class.getName() + " inDir=" + inDir + ", outDir=" + outDir);
        job.setJarByClass(getClass());

        job.setMapperClass(BinaryAnalysisMapper.class);
        job.setNumReduceTasks(0);

        job.setMapOutputKeyClass(Text.class);
        job.setMapOutputValueClass(BytesWritable.class);
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(Text.class);

        job.setInputFormatClass(SequenceFileInputFormat.class);
        SequenceFileInputFormat.setInputPaths(job, new Path(inDir));

        job.setOutputFormatClass(SequenceFileOutputFormat.class);
        SequenceFileOutputFormat.setOutputPath(job, new Path(outDir));
        job.submit();

        int retVal = job.waitForCompletion(true) ? 0 : 1;
        return retVal;
    }

    public static void main(String[] args) throws Exception {
        ToolRunner.run(new BinaryAnalysisJob(), args);
    }
}