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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package com.att.research.datarouter.reports;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeSet;
import com.att.research.datarouter.provisioning.utils.DB;
/**
* Generate a traffic volume report. The report is a .csv file containing the following columns:
* <table>
* <tr><td>date</td><td>the date for this record</td></tr>
* <tr><td>feedid</td><td>the Feed ID for this record</td></tr>
* <tr><td>filespublished</td><td>the number of files published on this feed and date</td></tr>
* <tr><td>bytespublished</td><td>the number of bytes published on this feed and date</td></tr>
* <tr><td>filesdelivered</td><td>the number of files delivered on this feed and date</td></tr>
* <tr><td>bytesdelivered</td><td>the number of bytes delivered on this feed and date</td></tr>
* <tr><td>filesexpired</td><td>the number of files expired on this feed and date</td></tr>
* <tr><td>bytesexpired</td><td>the number of bytes expired on this feed and date</td></tr>
* </table>
*
* @author Robert P. Eby
* @version $Id: VolumeReport.java,v 1.3 2014/02/28 15:11:13 eby Exp $
*/
public class VolumeReport extends ReportBase {
private static final String SELECT_SQL = "select EVENT_TIME, TYPE, FEEDID, CONTENT_LENGTH, RESULT" +
" from LOG_RECORDS where EVENT_TIME >= ? and EVENT_TIME <= ? LIMIT ?, ?";
private class Counters {
public int filespublished, filesdelivered, filesexpired;
public long bytespublished, bytesdelivered, bytesexpired;
@Override
public String toString() {
return String.format("%d,%d,%d,%d,%d,%d",
filespublished, bytespublished, filesdelivered,
bytesdelivered, filesexpired, bytesexpired);
}
}
@Override
public void run() {
Map<String, Counters> map = new HashMap<String, Counters>();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
long start = System.currentTimeMillis();
try {
DB db = new DB();
@SuppressWarnings("resource")
Connection conn = db.getConnection();
// We need to run this SELECT in stages, because otherwise we run out of memory!
final long stepsize = 6000000L;
boolean go_again = true;
for (long i = 0; go_again; i += stepsize) {
PreparedStatement ps = conn.prepareStatement(SELECT_SQL);
ps.setLong(1, from);
ps.setLong(2, to);
ps.setLong(3, i);
ps.setLong(4, stepsize);
ResultSet rs = ps.executeQuery();
go_again = false;
while (rs.next()) {
go_again = true;
long etime = rs.getLong("EVENT_TIME");
String type = rs.getString("TYPE");
int feed = rs.getInt("FEEDID");
long clen = rs.getLong("CONTENT_LENGTH");
String key = sdf.format(new Date(etime)) + ":" + feed;
Counters c = map.get(key);
if (c == null) {
c = new Counters();
map.put(key, c);
}
if (type.equalsIgnoreCase("pub")) {
c.filespublished++;
c.bytespublished += clen;
} else if (type.equalsIgnoreCase("del")) {
// Only count successful deliveries
int statusCode = rs.getInt("RESULT");
if (statusCode >= 200 && statusCode < 300) {
c.filesdelivered++;
c.bytesdelivered += clen;
}
} else if (type.equalsIgnoreCase("exp")) {
c.filesexpired++;
c.bytesexpired += clen;
}
}
rs.close();
ps.close();
}
db.release(conn);
} catch (SQLException e) {
e.printStackTrace();
}
logger.debug("Query time: " + (System.currentTimeMillis()-start) + " ms");
try {
PrintWriter os = new PrintWriter(outfile);
os.println("date,feedid,filespublished,bytespublished,filesdelivered,bytesdelivered,filesexpired,bytesexpired");
for (String key : new TreeSet<String>(map.keySet())) {
Counters c = map.get(key);
String[] p = key.split(":");
os.println(String.format("%s,%s,%s", p[0], p[1], c.toString()));
}
os.close();
} catch (FileNotFoundException e) {
System.err.println("File cannot be written: "+outfile);
}
}
}
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