package resa.evaluation.tools;
import backtype.storm.utils.Utils;
import redis.clients.jedis.Jedis;
import resa.util.ConfigUtil;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;
import java.util.function.IntSupplier;
import java.util.function.LongSupplier;
/**
* Created by ding on 14-3-18.
*/
public class DataSenderWithTS {
private String host;
private int port;
private String queueName;
private int maxPaddingSize;
public DataSenderWithTS(Map<String, Object> conf) {
this.host = (String) conf.get("redis.host");
this.port = ((Number) conf.get("redis.port")).intValue();
this.queueName = (String) conf.get("redis.queue");
}
public void send2Queue(Path inputFile, LongSupplier sleep) throws IOException {
Jedis jedis = new Jedis(host, port);
int counter = 0;
try (BufferedReader reader = Files.newBufferedReader(inputFile)) {
String line = null;
while (line != null || (line = reader.readLine()) != null) {
long ms = sleep.getAsLong();
if (ms > 0) {
Utils.sleep(ms);
}
if (jedis.llen(queueName) < maxPaddingSize) {
String data = counter++ + "|" + System.currentTimeMillis() + "|" + line;
jedis.rpush(queueName, data);
line = null;
}
}
} finally {
jedis.quit();
}
}
public void send2Queue(Path inputFile, LongSupplier sleep, IntSupplier sendCnt) throws IOException {
Jedis jedis = new Jedis(host, port);
int counter = 0;
try (BufferedReader reader = Files.newBufferedReader(inputFile)) {
String line = null;
int toSendCnt = 0;
while (line != null || (line = reader.readLine()) != null) {
if (toSendCnt > 0) {
toSendCnt--;
} else {
long ms = sleep.getAsLong();
if (ms > 0) {
Utils.sleep(ms);
}
toSendCnt = sendCnt.getAsInt();
}
if (jedis.llen(queueName) < maxPaddingSize) {
String data = counter++ + "|" + System.currentTimeMillis() + "|" + line;
jedis.rpush(queueName, data);
line = null;
}
}
} finally {
jedis.quit();
}
}
public static void main(String[] args) throws IOException {
if (args.length < 6) {
System.out.println("usage: DataSender <confFile> <inputFile> <maxPaddingSize> " +
"<rateForSplitThreash> <rateForSplit> " +
"[-deter <rate>] [-poison <lambda>] [-uniform <left> <right>]");
return;
}
DataSenderWithTS sender = new DataSenderWithTS(ConfigUtil.readConfig(new File(args[0])));
System.out.println("start sender");
Path dataFile = Paths.get(args[1]);
int maxPadding = Integer.parseInt(args[2]);
sender.maxPaddingSize = maxPadding > 0 ? maxPadding : Integer.MAX_VALUE;
int batchRateThreash = Integer.parseInt(args[3]);
int batchRate = Integer.parseInt(args[4]);
switch (args[5].substring(1)) {
case "deter":
double rate = Float.parseFloat(args[6]);
if (rate < batchRateThreash) {
System.out.println("case Det, rate: " + rate);
sender.send2Queue(dataFile, () -> (long) (1000 / rate));
} else {
double meanBatchSize = rate / batchRate;
System.out.println("case Det, rate: " + rate + "meanBatchSize: " + meanBatchSize);
sender.send2Queue(dataFile, () -> (long) (1000 / batchRate),
///() -> (int) (Math.random() * 2.0 * meanBatchSize));
() -> (int) meanBatchSize);
}
break;
case "poison":
double lambda = Float.parseFloat(args[6]);
if (lambda < batchRateThreash) {
System.out.println("case Poison, lambda: " + lambda);
sender.send2Queue(dataFile, () -> (long) (-Math.log(Math.random()) * 1000 / lambda));
} else {
double meanBatchSize = lambda / batchRate;
System.out.println("case Poison, lambda: " + lambda + "meanBatchSize: " + meanBatchSize);
sender.send2Queue(dataFile, () -> (long) (-Math.log(Math.random()) * 1000 / batchRate),
() -> (int) (Math.random() * 2.0 * meanBatchSize));
}
break;
case "uniform":
if (args.length < 8) {
System.out.println("usage: DataSender <confFile> <inputFile> <maxPaddingSize>" +
" [-deter <rate>] [-poison <lambda>] [-uniform <left> <right>]");
return;
}
double left = Float.parseFloat(args[6]);
double right = Float.parseFloat(args[7]);
sender.send2Queue(dataFile, () -> (long) (1000 / (Math.random() * (right - left) + left)));
default:
System.out.println("usage: DataSender <confFile> <inputFile> <maxPaddingSize> " +
"<rateForSplitThreash> <rateForSplit> " +
"[-deter <rate>] [-poison <lambda>] [-uniform <left> <right>]");
break;
}
System.out.println("end sender");
}
}