public static GPlusConfiguration detectConfiguration(Config config) {
Config oauth = StreamsConfigurator.config.getConfig("gplus.oauth");
GPlusConfiguration gplusConfiguration = new GPlusConfiguration();
gplusConfiguration.setProtocol(config.getString("protocol"));
gplusConfiguration.setHost(config.getString("host"));
gplusConfiguration.setPort(config.getLong("port"));
gplusConfiguration.setVersion(config.getString("version"));
GPlusOAuthConfiguration gPlusOAuthConfiguration = new GPlusOAuthConfiguration();
gPlusOAuthConfiguration.setConsumerKey(oauth.getString("consumerKey"));
gPlusOAuthConfiguration.setConsumerSecret(oauth.getString("consumerSecret"));
gPlusOAuthConfiguration.setAccessToken(oauth.getString("accessToken"));
gPlusOAuthConfiguration.setAccessTokenSecret(oauth.getString("accessTokenSecret"));
gplusConfiguration.setOauth(gPlusOAuthConfiguration);
return gplusConfiguration;
}
@SuppressWarnings("OverlyLongMethod")
private void run(Config config) {
System.err.println(
" _\n"
+ " _ __| |___ __ _\n"
+ "| '_ \\ / _ \\/ _` |\n"
+ "| .__/_\\___/\\__, |\n"
+ "|_| |___/ stress");
final Config stressConfig = config.getConfig("plog.stress");
final int threadCount = stressConfig.getInt("threads");
log.info("Using {} threads", threadCount);
final int rate = stressConfig.getInt("rate");
final RateLimiter rateLimiter = RateLimiter.create(rate);
final int socketRenewRate = stressConfig.getInt("renew_rate");
final int minSize = stressConfig.getInt("min_size");
final int maxSize = stressConfig.getInt("max_size");
final int sizeIncrements = stressConfig.getInt("size_increments");
final double sizeExponent = stressConfig.getDouble("size_exponent");
final int sizeDelta = maxSize - minSize;
final int differentSizes = sizeDelta / sizeIncrements;
if (differentSizes == 0) {
throw new RuntimeException("No sizes! Decrease plog.stress.size_increments");
}
final int stopAfter = stressConfig.getInt("stop_after");
final int packetSize = stressConfig.getInt("udp.size");
final int bufferSize = stressConfig.getInt("udp.SO_SNDBUF");
final Fragmenter fragmenter = new Fragmenter(packetSize);
final Random random = new Random(stressConfig.getLong("seed"));
final byte[] randomBytes = new byte[maxSize];
random.nextBytes(randomBytes);
final ByteBuf randomMessage = Unpooled.wrappedBuffer(randomBytes);
log.info("Generating {} different hashes", differentSizes);
final int[] precomputedHashes = new int[differentSizes];
for (int i = 0; i < differentSizes; i++) {
precomputedHashes[i] = Murmur3.hash32(randomMessage, 0, minSize + sizeIncrements * i, 0);
}
final ByteBufAllocator allocator = new PooledByteBufAllocator();
final double packetLoss = stressConfig.getDouble("udp.loss");
final Meter socketMeter = registry.meter("Sockets used");
final Meter messageMeter = registry.meter("Messages sent");
final Meter packetMeter = registry.meter("Packets sent");
final Meter sendFailureMeter = registry.meter("Send failures");
final Meter lossMeter = registry.meter("Packets dropped");
final Histogram messageSizeHistogram = registry.histogram("Message size");
final Histogram packetSizeHistogram = registry.histogram("Packet size");
final InetSocketAddress target =
new InetSocketAddress(stressConfig.getString("host"), stressConfig.getInt("port"));
log.info("Starting with config {}", config);
final long consoleRate = stressConfig.getDuration("console.interval", TimeUnit.MILLISECONDS);
ConsoleReporter.forRegistry(registry).build().start(consoleRate, TimeUnit.MILLISECONDS);
for (int i = 0; i < threadCount; i++) {
new Thread("stress_" + i) {
private DatagramChannel channel = null;
@Override
public void run() {
try {
for (int sent = 0; sent < stopAfter; sent++, messageMeter.mark()) {
if (sent % socketRenewRate == 0) {
if (channel != null) {
channel.close();
}
channel = DatagramChannel.open();
channel.socket().setSendBufferSize(bufferSize);
socketMeter.mark();
}
// global rate limiting
rateLimiter.acquire();
final int sizeIndex =
(int) (Math.pow(random.nextDouble(), sizeExponent) * differentSizes);
final int messageSize = minSize + sizeIncrements * sizeIndex;
final int hash = precomputedHashes[sizeIndex];
messageSizeHistogram.update(messageSize);
final ByteBuf[] fragments =
fragmenter.fragment(allocator, randomMessage, null, sent, messageSize, hash);
for (ByteBuf fragment : fragments) {
if (random.nextDouble() < packetLoss) {
lossMeter.mark();
} else {
final int packetSize = fragment.readableBytes();
final ByteBuffer buffer = fragment.nioBuffer();
try {
channel.send(buffer, target);
packetSizeHistogram.update(packetSize);
packetMeter.mark();
} catch (SocketException e) {
sendFailureMeter.mark();
}
}
fragment.release();
}
}
} catch (Throwable t) {
t.printStackTrace();
System.exit(1);
}
}
}.start();
}
}
