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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.feed.perf;
import com.yahoo.messagebus.routing.Route;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
/**
* @author Simon Thoresen Hult
*/
class FeederParams {
private static final int BUFFER_SIZE = 0x100000;
enum DumpFormat {JSON, VESPA}
private PrintStream stdErr = System.err;
private PrintStream stdOut = System.out;
private Route route = Route.parse("default");
private String configId = "client";
private OutputStream dumpStream = null;
private DumpFormat dumpFormat = DumpFormat.JSON;
private boolean benchmarkMode = false;
private int numDispatchThreads = 1;
private int maxPending = 0;
private int numConnectionsPerTarget = 1;
private long numMessagesToSend = Long.MAX_VALUE;
private List<InputStream> inputStreams = new ArrayList<>();
FeederParams() {
inputStreams.add(System.in);
}
PrintStream getStdErr() {
return stdErr;
}
FeederParams setStdErr(PrintStream stdErr) {
this.stdErr = stdErr;
return this;
}
PrintStream getStdOut() {
return stdOut;
}
FeederParams setStdOut(PrintStream stdOut) {
this.stdOut = stdOut;
return this;
}
Route getRoute() {
return route;
}
OutputStream getDumpStream() { return dumpStream; }
FeederParams setDumpStream(OutputStream dumpStream) {
this.dumpStream = dumpStream;
return this;
}
DumpFormat getDumpFormat() { return dumpFormat; }
FeederParams setDumpFormat(DumpFormat dumpFormat) {
this.dumpFormat = dumpFormat;
return this;
}
String getConfigId() {
return configId;
}
FeederParams setConfigId(String configId) {
this.configId = configId;
return this;
}
int getNumConnectionsPerTarget() { return numConnectionsPerTarget; }
long getNumMessagesToSend() { return numMessagesToSend; }
boolean isSerialTransferEnabled() {
return maxPending == 1;
}
FeederParams setSerialTransfer() {
maxPending = 1;
numDispatchThreads = 1;
return this;
}
List<InputStream> getInputStreams() { return inputStreams; }
FeederParams setInputStreams(List<InputStream> inputStreams) {
this.inputStreams = inputStreams;
return this;
}
int getNumDispatchThreads() { return numDispatchThreads; }
int getMaxPending() { return maxPending; }
boolean isBenchmarkMode() { return benchmarkMode; }
FeederParams parseArgs(String... args) throws ParseException, FileNotFoundException {
Options opts = new Options();
opts.addOption("s", "serial", false, "use serial transfer mode, at most 1 pending operation and a single thread");
opts.addOption("n", "numthreads", true, "Number of clients for sending messages. Anything, but 1 will bypass sequencing by document id.");
opts.addOption("m", "maxpending", true, "Max number of inflights messages. Default is auto.");
opts.addOption("r", "route", true, "Route for sending messages. default is 'default'....");
opts.addOption("b", "mode", true, "Mode for benchmarking.");
opts.addOption("o", "output", true, "File to write to. Extensions gives format (.xml, .json, .vespa) json will be produced if no extension.");
opts.addOption("c", "numconnections", true, "Number of connections per host.");
opts.addOption("l", "nummessages", true, "Number of messages to send (all is default).");
CommandLine cmd = new DefaultParser().parse(opts, args);
if (cmd.hasOption('n')) {
numDispatchThreads = Integer.valueOf(cmd.getOptionValue('n').trim());
}
if (cmd.hasOption('m')) {
maxPending = Integer.valueOf(cmd.getOptionValue('m').trim());
}
if (cmd.hasOption('c')) {
numConnectionsPerTarget = Integer.valueOf(cmd.getOptionValue('c').trim());
}
if (cmd.hasOption('r')) {
route = Route.parse(cmd.getOptionValue('r').trim());
}
benchmarkMode = cmd.hasOption('b');
if (cmd.hasOption('o')) {
String fileName = cmd.getOptionValue('o').trim();
dumpStream = new FileOutputStream(new File(fileName));
if (fileName.endsWith(".vespa")) {
dumpFormat = DumpFormat.VESPA;
}
}
if (cmd.hasOption('s')) {
setSerialTransfer();
}
if (cmd.hasOption('l')) {
numMessagesToSend = Long.valueOf(cmd.getOptionValue('l').trim());
}
if ( !cmd.getArgList().isEmpty()) {
inputStreams.clear();
for (String fileName : cmd.getArgList()) {
inputStreams.add(new BufferedInputStream(new FileInputStream(new File(fileName)), BUFFER_SIZE));
}
}
return this;
}
}
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