Java Code Examples for java.net.DatagramPacket#setData()
The following examples show how to use
java.net.DatagramPacket#setData() .
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Example 1
| Source File: TesterMulticast.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void run() {
try (MulticastSocket s = new MulticastSocket(PORT)) {
s.setLoopbackMode(false);
s.joinGroup(INET_ADDRESS);
DatagramPacket p = new DatagramPacket(new byte[4], 4);
p.setAddress(INET_ADDRESS);
p.setPort(PORT);
long counter = 0;
String msg;
while (run) {
msg = String.format("%04d", Long.valueOf(counter));
p.setData(msg.getBytes());
System.out.println("Tx: " + msg);
s.send(p);
counter++;
Thread.sleep(500);
}
} catch (Exception e) {
e.printStackTrace();
}
}
Example 2
| Source File: UDPConnector.java From gama with GNU General Public License v3.0 | 6 votes |
|
@Override
protected void sendMessage(final IAgent sender, final String receiver, final String cont)
throws GamaNetworkException {
String content = cont.replaceAll("\b\r", "@b@@r@");
content = content.replaceAll("\n", "@n@");
final String sport = this.getConfigurationParameter(SERVER_PORT);
final Integer port = Cast.asInt(sender.getScope(), sport);
try (final DatagramSocket clientSocket = new DatagramSocket();) {
final InetAddress IPAddress = InetAddress.getByName((String) sender.getAttribute(INetworkSkill.SERVER_URL));
final byte[] sendData = content.getBytes();
final DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, port);
sendPacket.setData(sendData);
clientSocket.send(sendPacket);
} catch (final Exception e) {
e.printStackTrace();
}
}
Example 3
| Source File: Offset.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 4
| Source File: TimelyUdpIT.java From timely with Apache License 2.0 | 5 votes |
|
@Test
public void testPut() throws Exception {
final TestServer m = new TestServer(conf);
m.run();
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 54325);
DatagramPacket packet = new DatagramPacket("".getBytes(UTF_8), 0, 0, address.getAddress(), 54325);
try (DatagramSocket sock = new DatagramSocket()) {
// @formatter:off
packet.setData(("put sys.cpu.user " + TEST_TIME + " 1.0 tag1=value1 tag2=value2\n").getBytes(UTF_8));
sock.send(packet);
while (1 != m.getUdpRequests().getCount()) {
Thread.sleep(5);
}
Assert.assertEquals(1, m.getUdpRequests().getResponses().size());
Assert.assertEquals(MetricRequest.class, m.getUdpRequests().getResponses().get(0).getClass());
final MetricRequest actual = (MetricRequest) m.getUdpRequests().getResponses().get(0);
final MetricRequest expected = new MetricRequest(
Metric.newBuilder()
.name("sys.cpu.user")
.value(TEST_TIME, 1.0D)
.tag(new Tag("tag1", "value1"))
.tag(new Tag("tag2", "value2"))
.build()
);
Assert.assertEquals(expected, actual);
// @formatter:on
} finally {
m.shutdown();
}
}
Example 5
| Source File: Offset.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 6
| Source File: Offset.java From hottub with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 7
| Source File: TimelyUdpIT.java From timely with Apache License 2.0 | 5 votes |
|
@Test
public void testPutInvalidTimestamp() throws Exception {
final TestServer m = new TestServer(conf);
m.run();
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 54325);
DatagramPacket packet = new DatagramPacket("".getBytes(UTF_8), 0, 0, address.getAddress(), 54325);
try (DatagramSocket sock = new DatagramSocket();) {
packet.setData(("put sys.cpu.user " + TEST_TIME + "Z" + " 1.0 tag1=value1 tag2=value2\n").getBytes(UTF_8));
sock.send(packet);
sleepUninterruptibly(TestConfiguration.WAIT_SECONDS, TimeUnit.SECONDS);
Assert.assertEquals(0, m.getUdpRequests().getCount());
} finally {
m.shutdown();
}
}
Example 8
| Source File: Offset.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 9
| Source File: Offset.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 10
| Source File: Offset.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 11
| Source File: UDPEmitter.java From aws-xray-sdk-java with Apache License 2.0 | 5 votes |
|
private boolean sendData(byte[] data, Entity entity) {
try {
DatagramPacket packet = new DatagramPacket(sendBuffer, DAEMON_BUF_RECEIVE_SIZE, config.getAddressForEmitter());
packet.setData(data);
logger.debug("Sending UDP packet.");
daemonSocket.send(packet);
} catch (Exception e) {
String segmentName = Optional.ofNullable(entity.getParent()).map(this::nameAndId).orElse("[no parent segment]");
logger.error("Exception while sending segment over UDP for entity " + nameAndId(entity) + " on segment "
+ segmentName, e);
return false;
}
return true;
}
Example 12
| Source File: UDPMetricEmitter.java From aws-xray-sdk-java with Apache License 2.0 | 5 votes |
|
/**
* {@inheritDoc}
*/
@Override
public void emitMetric(final Segment segment) {
String formattedMetric = formatter.formatSegment(segment);
DatagramPacket packet = new DatagramPacket(sendBuffer, BUFFER_SIZE, address);
packet.setData(formattedMetric.getBytes(StandardCharsets.UTF_8));
try {
socket.send(packet);
} catch (IOException e) {
logger.error("Unable to send metric to agent.", e);
}
}
Example 13
| Source File: RUDPServer.java From jRUDP with MIT License | 5 votes |
|
protected void sendPacket(byte[] data, InetAddress address, int port){
DatagramPacket packet = new DatagramPacket(data, data.length, address, port);
packet.setData(data);
try {
datagramSocket.send(packet);
} catch (IOException e) {e.printStackTrace();}
}
Example 14
| Source File: VDatagramSocket.java From finalspeed with GNU General Public License v2.0 | 5 votes |
|
public synchronized void receive(DatagramPacket p) throws IOException {
TunData td;
try {
td = packetList.take();
p.setData(td.data);
p.setLength(td.data.length);
p.setAddress(td.tun.remoteAddress);
p.setPort(CapEnv.toUnsigned(td.tun.remotePort));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
Example 15
| Source File: Offset.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 16
| Source File: Offset.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
public static void main(String args[]) throws Exception {
byte b1[] = new byte[1024];
DatagramPacket p = new DatagramPacket(b1, 512, 512 );
byte b2[] = new byte[20];
p.setData(b2);
if (p.getOffset() != 0) {
throw new Exception("setData(byte[]) didn't reset offset");
}
}
Example 17
| Source File: SocketManagerTest.java From mts with GNU General Public License v3.0 | 4 votes |
|
/**
* @param args
*/
public static void main(String[] args) throws Exception {
host = Utils.getLocalAddress().getHostAddress();
port = 10000;
transport = "udp";
InetSocketAddress localDatagramSocketAddress = new InetSocketAddress(host, port);
DatagramSocket datagramSocket = new DatagramSocket(localDatagramSocketAddress);
String packet = createRequest(0);
byte[] data = Utils.parseBinaryString(packet);
System.out.println("length = " + data.length);
DatagramPacket dp = new DatagramPacket(data, data.length);
InetSocketAddress remoteDatagramSocketAddress = new InetSocketAddress(host, port);
dp.setSocketAddress(remoteDatagramSocketAddress);
int maxIter = 100000;
System.out.println("maxIter : " + maxIter);
long beginTT = new GregorianCalendar().getTimeInMillis();
for (int i = 1; i <= maxIter; i++) {
// Create a message object corresponding to the string message
if (i % 1000 == 0) {
// System.out.println("i=" + i);
}
// MsgUdp msg = new MsgUdp(data, data.length);
// msg.setListenpoint(listenpoint);
dp.setData(data);
// remoteDatagramSocketAddress = new InetSocketAddress(host, port);
dp.setSocketAddress(remoteDatagramSocketAddress);
datagramSocket.send(dp);
}
long endTT = new GregorianCalendar().getTimeInMillis();
float duration = ((float)(endTT - beginTT)) / 1000;
float flow = maxIter / duration;
System.out.println("nombre trans = " + maxIter + " msg.");
System.out.println("duration = " + duration + " s.");
System.out.println("msg flow = " + flow + " msg/s.");
System.out.println("Hit enter to terminate server");
System.in.read();
}
Example 18
| Source File: EKeyPacketReceiver.java From openhab1-addons with Eclipse Public License 2.0 | 4 votes |
|
@Override
public void run() {
running = true; // start loop
if (socket == null) {
throw new IllegalStateException(
"Cannot access socket. You must call" + " call initializeListener(..) first!");
}
byte[] lastpacket = null;
DatagramPacket packet = new DatagramPacket(new byte[buffersize], buffersize);
while (running) {
ekeypacket = null;
packet.setData(new byte[buffersize]);
try { // wait for the packet
socket.receive(packet);
} catch (IOException e1) {
e1.printStackTrace();
}
// ignore packets from destinations other than the specified address
// if destIp is not set ignore address check - this is not recommended but valid
if (destIp == null || packet.getAddress().equals(destIp)) {
lastpacket = packet.getData();
try { // catch a possible parsing error
switch (mode) {
case UniformPacket.tHOME:
ekeypacket = new HomePacket(deliminator, lastpacket);
break;
case UniformPacket.tMULTI:
ekeypacket = new MultiPacket(deliminator, lastpacket);
break;
default: // default configuration is the rare packet
ekeypacket = new RarePacket(lastpacket);
break;
}
} catch (IllegalArgumentException e) {
log.error("Error parsing packet", e);
}
}
if (ekeypacket != null) {
listener.publishUpdate(ekeypacket);
} else {
log.debug("Received a packet that does not match the mode\n" + "you specified in the 'openhab.cfg'!");
}
}
log.debug("eKey Listener stopped!");
}
Example 19
| Source File: TimelyUdpIT.java From timely with Apache License 2.0 | 4 votes |
|
@Test
public void testPutMultiple() throws Exception {
final TestServer m = new TestServer(conf);
m.run();
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 54325);
DatagramPacket packet = new DatagramPacket("".getBytes(UTF_8), 0, 0, address.getAddress(), 54325);
// @formatter:off
try (DatagramSocket sock = new DatagramSocket()) {
packet.setData(("put sys.cpu.user " + TEST_TIME + " 1.0 tag1=value1 tag2=value2\n"
+ "put sys.cpu.idle " + (TEST_TIME + 1) + " 1.0 tag3=value3 tag4=value4\n").getBytes(UTF_8));
sock.send(packet);
while (2 != m.getUdpRequests().getCount()) {
Thread.sleep(5);
}
Assert.assertEquals(2, m.getUdpRequests().getResponses().size());
Assert.assertEquals(MetricRequest.class, m.getUdpRequests().getResponses().get(0).getClass());
MetricRequest actual = (MetricRequest) m.getUdpRequests().getResponses().get(0);
MetricRequest expected = new MetricRequest (
Metric.newBuilder()
.name("sys.cpu.user")
.value(TEST_TIME, 1.0D)
.tag(new Tag("tag1", "value1"))
.tag(new Tag("tag2", "value2"))
.build()
);
Assert.assertEquals(expected, actual);
Assert.assertEquals(MetricRequest.class, m.getUdpRequests().getResponses().get(1).getClass());
actual = (MetricRequest) m.getUdpRequests().getResponses().get(1);
expected = new MetricRequest(
Metric.newBuilder()
.name("sys.cpu.idle")
.value(TEST_TIME + 1, 1.0D)
.tag(new Tag("tag3", "value3"))
.tag(new Tag("tag4", "value4"))
.build()
);
Assert.assertEquals(expected, actual);
// @formatter:on
} finally {
m.shutdown();
}
}
Example 20
| Source File: TimelyUdpIT.java From timely with Apache License 2.0 | 4 votes |
|
@Test
public void testPutMultipleBinary() throws Exception {
FlatBufferBuilder builder = new FlatBufferBuilder(1);
int[] metric = new int[2];
Map<String, String> t = new HashMap<>();
t.put("tag1", "value1");
t.put("tag2", "value2");
metric[0] = createMetric(builder, "sys.cpu.user", TEST_TIME, 1.0D, t);
t = new HashMap<>();
t.put("tag3", "value3");
t.put("tag4", "value4");
metric[1] = createMetric(builder, "sys.cpu.idle", TEST_TIME + 1, 1.0D, t);
int metricVector = timely.api.flatbuffer.Metrics.createMetricsVector(builder, metric);
timely.api.flatbuffer.Metrics.startMetrics(builder);
timely.api.flatbuffer.Metrics.addMetrics(builder, metricVector);
int metrics = timely.api.flatbuffer.Metrics.endMetrics(builder);
timely.api.flatbuffer.Metrics.finishMetricsBuffer(builder, metrics);
ByteBuffer binary = builder.dataBuffer();
byte[] data = new byte[binary.remaining()];
binary.get(data, 0, binary.remaining());
LOG.debug("Sending {} bytes", data.length);
final TestServer m = new TestServer(conf);
m.run();
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 54325);
DatagramPacket packet = new DatagramPacket("".getBytes(UTF_8), 0, 0, address.getAddress(), 54325);
try (DatagramSocket sock = new DatagramSocket()) {
packet.setData(data);
sock.send(packet);
while (2 != m.getUdpRequests().getCount()) {
Thread.sleep(5);
}
Assert.assertEquals(2, m.getUdpRequests().getResponses().size());
Assert.assertEquals(MetricRequest.class, m.getUdpRequests().getResponses().get(0).getClass());
// @formatter:off
MetricRequest actual = (MetricRequest) m.getUdpRequests().getResponses().get(0);
MetricRequest expected = new MetricRequest(
Metric.newBuilder()
.name("sys.cpu.user")
.value(TEST_TIME, 1.0D)
.tag(new Tag("tag1", "value1"))
.tag(new Tag("tag2", "value2"))
.build()
);
Assert.assertEquals(expected, actual);
Assert.assertEquals(MetricRequest.class, m.getUdpRequests().getResponses().get(1).getClass());
actual = (MetricRequest) m.getUdpRequests().getResponses().get(1);
expected = new MetricRequest(
Metric.newBuilder()
.name("sys.cpu.idle")
.value(TEST_TIME + 1, 1.0D)
.tag(new Tag("tag3", "value3"))
.tag(new Tag("tag4", "value4"))
.build()
);
Assert.assertEquals(expected, actual);
// @formatter:on
} finally {
m.shutdown();
}
}
