public void run() {
if (ServerSocket == null) return;
while (true) {
try {
InetAddress address;
int port;
DatagramPacket packet;
byte[] data = new byte[1460];
packet = new DatagramPacket(data, data.length);
ServerSocket.receive(packet);
//
//
address = packet.getAddress();
port = packet.getPort();
System.out.println("get the Client port is: " + port);
System.out.println("get the data length is: " + data.length);
FileWriter fw = new FileWriter("Fortunes.txt");
PrintWriter out = new PrintWriter(fw);
for (int i = 0; i < data.length; i++) {
out.print(data[i] + " ");
}
out.close();
System.out.println("Data has been writen to destination!");
packet = new DatagramPacket(data, data.length, address, port);
ServerSocket.send(packet);
System.out.println("Respond has been made!");
} catch (Exception e) {
System.err.println("Exception: " + e);
e.printStackTrace();
}
}
}
public static void main(String args[]) throws Exception {
BufferedReader inFromUser = new BufferedReader(new InputStreamReader(System.in));
DatagramSocket clientSocket = new DatagramSocket();
InetAddress IPAddress = InetAddress.getByName("192.168.1.16");
byte[] sendData = new byte[1024];
byte[] receiveData = new byte[1024];
String sentence = new String("HELLO");
sendData = sentence.getBytes();
DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, 9876);
clientSocket.send(sendPacket);
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
clientSocket.receive(receivePacket);
sentence = new String(receivePacket.getData(), 0, receivePacket.getLength());
if (sentence.equals("##100##")) {
System.out.println(sentence + ": Waiting for Red.");
}
while (!sentence.equals("##200##")) {
try {
receivePacket = new DatagramPacket(receiveData, receiveData.length);
clientSocket.receive(receivePacket);
sentence = new String(receivePacket.getData(), 0, receivePacket.getLength());
} catch (Exception e) {
}
}
if (sentence.equals("##200##")) {
System.out.println(sentence + ": Red and Blue are connected");
}
while (true) {
receiveData = new byte[1024];
receivePacket = new DatagramPacket(receiveData, receiveData.length);
clientSocket.receive(receivePacket);
sentence = new String(receivePacket.getData(), 0, receivePacket.getLength());
if (sentence.equals("##300##")) {
break;
}
System.out.println("RED: " + sentence);
sentence = inFromUser.readLine();
sendData = sentence.getBytes();
sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, 9876);
clientSocket.send(sendPacket);
}
System.out.println(sentence + ": Disconnected.");
clientSocket.close();
}
/**
* method to support proxy connection with server with udp connection
*
* @param serverIp
* @param proxyport
* @param serverport
* @throws IOException
*/
@SuppressWarnings("resource")
public void proxyUDP(String serverIp, int proxyport, int serverport) throws IOException {
DatagramSocket receiveSockets = new DatagramSocket(proxyport);
while (true) {
long milliSeconds;
String modsentence = null;
byte[] receivebuffer = new byte[1024];
byte[] buffer = new byte[1024];
DatagramPacket receivePacket = new DatagramPacket(receivebuffer, receivebuffer.length);
receiveSockets.receive(receivePacket);
milliSeconds = System.currentTimeMillis();
InetAddress inet1 = receivePacket.getAddress();
int port1 = receivePacket.getPort();
modsentence = new String(receivePacket.getData()).trim();
// if the connection type from proxy is not mentioned then use the
// same client connection type
if (this.tcpproxy == false && this.udpproxy == false) {
if (modsentence.charAt(1) == 't') this.tcpproxy = true;
else if (modsentence.charAt(1) == 'u') this.udpproxy = true;
}
// tcp connection to server for -t in command line
if (this.tcpproxy == true) {
Socket socket = new Socket(serverIp, this.portAddressTCPS);
OutputStream os = socket.getOutputStream();
DataOutputStream dos = new DataOutputStream(os);
InputStream is = socket.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
dos.writeBytes(modsentence + "\n");
dos.flush();
modsentence = br.readLine();
}
// udp connection to server for -u in command line
else if (this.udpproxy == true) {
DatagramSocket sockets = new DatagramSocket();
buffer = modsentence.getBytes();
InetAddress inet = InetAddress.getByName(serverIp);
DatagramPacket sendPacket =
new DatagramPacket(buffer, buffer.length, inet, this.portAddressUDPS);
sockets.send(sendPacket);
sockets.receive(receivePacket);
modsentence = new String(receivePacket.getData()).trim();
}
// append the RTT time from proxy to server
modsentence = modsentence + "$$$spliter$$$";
modsentence = modsentence + serverIP + "\t" + (System.currentTimeMillis() - milliSeconds);
buffer = modsentence.getBytes();
DatagramPacket sendPacket1 = new DatagramPacket(buffer, buffer.length, inet1, port1);
receiveSockets.send(sendPacket1);
}
}
public void run() {
while (true) {
try {
// System.out.println("Waiting for client on port " +serverSocket.getLocalPort() + "...");
byte[] receiveBuffer = new byte[512];
DatagramPacket receivePacket = new DatagramPacket(receiveBuffer, receiveBuffer.length);
UDPserverSocket.receive(receivePacket);
System.out.println(
"Request received from "
+ receivePacket.getSocketAddress()
+ ":"
+ receivePacket.getPort());
// Start new 'Servant' thread and make it serve the peer
new Servant(receivePacket, UDPserverSocket).start();
// socketFromPeer.close();
} catch (SocketTimeoutException s) {
System.out.println("Socket timed out!");
break;
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
@Override
public void run() {
/* Legacy UDP location manager daemon.
*/
DatagramPacket packet;
while (!Thread.currentThread().isInterrupted()) {
try {
packet = new DatagramPacket(new byte[1024], 1024);
socket.receive(packet);
} catch (SocketException e) {
if (!Thread.currentThread().isInterrupted()) {
LOGGER.warn("Exception in Server receive loop (exiting)", e);
}
break;
} catch (Exception ie) {
LOGGER.warn("Exception in Server receive loop (exiting)", ie);
break;
}
try {
process(packet);
socket.send(packet);
} catch (Exception se) {
LOGGER.warn("Exception in send ", se);
}
}
socket.close();
}
public void run() {
System.out.println("ExeUDPServer开始监听..." + UDP_PORT);
DatagramSocket ds = null;
try {
ds = new DatagramSocket(UDP_PORT);
} catch (BindException e) {
System.out.println("UDP端口使用中...请重关闭程序启服务器");
} catch (SocketException e) {
e.printStackTrace();
}
while (ds != null) {
DatagramPacket dp = new DatagramPacket(buf, buf.length);
try {
ds.receive(dp);
// 得到把该数据包发来的端口和Ip
int rport = dp.getPort();
InetAddress addr = dp.getAddress();
String recvStr = new String(dp.getData(), 0, dp.getLength());
System.out.println("Server receive：" + recvStr + " from " + addr + " " + rport);
// 给客户端回应
String sendStr = "echo of " + recvStr;
byte[] sendBuf;
sendBuf = sendStr.getBytes();
DatagramPacket sendPacket = new DatagramPacket(sendBuf, sendBuf.length, addr, rport);
ds.send(sendPacket);
} catch (IOException e) {
e.printStackTrace();
}
}
}
public void run() {
while (!isThreadRunning) {
byte[] ack_byte = new byte[2];
DatagramPacket packet_ack = new DatagramPacket(ack_byte, ack_byte.length);
try {
socketAck.setSoTimeout(5);
} catch (SocketException e) {
e.printStackTrace();
}
try {
socketAck.receive(packet_ack);
} catch (IOException e) {
e.printStackTrace();
}
byte[] ackData = packet_ack.getData();
int packet_ack_num = getAckPaket(ackData);
num_acked = Math.max(num_acked, packet_ack_num);
Thread.yield();
}
socketAck.close();
}
public void processPackets() throws IOException {
byte[] _receiveData = new byte[UDP_PACKET_BUFFER_SIZE];
while (true) {
DatagramPacket receivePacket = new DatagramPacket(_receiveData, _receiveData.length);
serverSocket.receive(receivePacket);
String data = new String(receivePacket.getData());
System.out.println(data);
ObjectMapper mapper = new ObjectMapper();
JsonNode reqJSON = mapper.readValue(data, JsonNode.class);
String action = reqJSON.get("action").getTextValue();
if ("MOUSE_CLICK".equals(action)) {
mc.leftClick();
} else if ("ACCELEROMETER".equals(action)) {
} else if ("MOUSE_MOVE".equals(action)) {
JsonNode value = reqJSON.get("value");
System.out.println(value);
mc.scaleAndMove(value);
}
System.out.println("RECEIVED: " + data);
for (int i = 0; i < UDP_PACKET_BUFFER_SIZE; i++) {
_receiveData[i] = (byte) (0);
}
}
}
private void getAndSendInitialInfo() {
byte[] idBuf = new byte[4];
ByteBuffer buf = ByteBuffer.wrap(idBuf);
buf.putInt(userid);
DatagramPacket idPacket = new DatagramPacket(idBuf, idBuf.length);
byte[] serverAckBuf = new byte[1];
DatagramPacket serverAckPacket = new DatagramPacket(serverAckBuf, serverAckBuf.length);
boolean receivedAck = false;
while (!receivedAck) {
try {
ds.setSoTimeout(REG_TIMEOUT);
System.out.println("CLIENT " + userid + ": attempting to register");
ds.send(idPacket);
ds.receive(serverAckPacket);
receivedAck = true;
byte indicator = serverAckBuf[0];
System.out.println("CLIENT " + userid + ": received ack: " + indicator);
if (indicator == 0 || indicator == 1) {
team = indicator;
} else {
// server error, must exit
throw new RuntimeException(
"Server responded with code: " + indicator + ", will not start.");
}
} catch (SocketTimeoutException e) {
continue;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("CLIENT:" + userid + " Done registering.");
// throw new UnsupportedOperationException();
}
public static List<Usr> getList() throws IOException {
byte[] host_ip = InetAddress.getLocalHost().getAddress();
DatagramSocket serverSocket = new DatagramSocket(UDP_PORT);
byte[] buf = BROADCAST_MSG.getBytes();
InetAddress address = InetAddress.getByName(ALL_IP);
DatagramPacket packet = new DatagramPacket(buf, buf.length, address, UDP_PORT);
serverSocket.send(packet);
serverSocket.setSoTimeout(SOCKET_TIMEOUT); // set the timeout in millisecounds.
ArrayList<Usr> out = new ArrayList<Usr>();
while (true) {
try {
byte[] rcv = new byte[32];
packet = new DatagramPacket(rcv, rcv.length);
serverSocket.receive(packet);
byte[] ip = packet.getAddress().getAddress();
if (Arrays.equals(ip, host_ip)) continue;
Usr usr = new Usr(packet.getData());
out.add(usr);
} catch (SocketTimeoutException e) {
break;
}
}
serverSocket.close();
return out;
}
public void sendConfiguration(Biasgen biasgen) throws HardwareInterfaceException {
if (!isOpen()) {
throw new HardwareInterfaceException("not open");
}
int MAX_COMMAND_LENGTH_BYTES = 256;
for (Pot p : getBiasgen().getPotArray().getPots()) {
UDP_VPot vp = (UDP_VPot) p;
try {
String s = vp.getCommandString();
byte[] b = s.getBytes(); // s.getBytes(Charset.forName("US-ASCII"));
socket.send(new DatagramPacket(b, b.length, client));
DatagramPacket packet =
new DatagramPacket(new byte[MAX_COMMAND_LENGTH_BYTES], MAX_COMMAND_LENGTH_BYTES);
socket.receive(packet);
ByteArrayInputStream bis;
BufferedReader reader =
new BufferedReader(
new InputStreamReader(
(bis = new ByteArrayInputStream(packet.getData(), 0, packet.getLength()))));
String line = reader.readLine(); // .toLowerCase();
log.info("response from " + packet.getAddress() + " : " + line);
// System.out.println(line); // debug
} catch (SocketTimeoutException to) {
log.warning("timeout on waiting for command response on datagram control socket");
} catch (Exception ex) {
throw new HardwareInterfaceException(
"while sending biases to " + client + " caught " + ex.toString());
}
}
}
public void receiveMessage(byte[] buffer) throws Exception {
DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
synchronized (m_Socket) {
m_Socket.setSoTimeout(m_Timeout);
m_Socket.receive(packet);
}
}
public void run() {
while (_datagramSocket != null && _datagramSocket == _socket && !_datagramSocket.isClosed()) {
try {
DatagramPacket packet = new DatagramPacket(new byte[MAX_PACKET_SIZE], MAX_PACKET_SIZE);
_datagramSocket.receive(packet);
DnsMessage answer = new DnsMessage();
answer.decode(ByteBuffer.wrap(packet.getData()));
MsgContainer msgContainer;
synchronized (_queries) {
msgContainer = _queries.get(answer.getHeaderSection().getId());
}
if (msgContainer != null) {
synchronized (msgContainer.getQuery()) {
msgContainer.setAnswer(answer);
msgContainer.getQuery().notify();
}
} else LOG.warn("Drop DNS Answser {}, as can not found a query with same ID", answer);
} catch (IOException e) {
close();
}
}
close();
LOG.debug("DNS acceptor done");
}
public static void main(String[] args) throws IOException {
/* 接受发过来的数据 */
// 创建upd socket服务对象
DatagramSocket ds = new DatagramSocket(10039);
// 创建数据包，用于存储接收到的数据
byte[] bbuf = new byte[1024];
DatagramPacket dp = new DatagramPacket(bbuf, bbuf.length);
// 用socket对象的receive方法将接收到的数据存储到数据包中
ds.receive(dp);
// 获取ip
String ip = dp.getAddress().getHostAddress();
int port = dp.getPort();
// 获取数据内容
byte[] data = dp.getData();
String text = new String(data, 0, dp.getLength());
System.out.println(ip + ":" + port + ":" + text);
ds.close();
}
public List<EventReply> receive() throws IOException {
byte[] buf = new byte[0xff];
DatagramPacket packet = new DatagramPacket(buf, 0, 0xff);
m_dgSocket.receive(packet);
byte[] data = packet.getData();
// System.out.println("receive data is : "+new String(data,"utf-8"));
StringReader reader = new StringReader(new String(data, 0, packet.getLength(), "utf-8"));
EventReceipt receipt = null;
try {
receipt = (EventReceipt) Unmarshaller.unmarshal(EventReceipt.class, reader);
} catch (MarshalException e) {
e.printStackTrace();
} catch (ValidationException e) {
e.printStackTrace();
}
InetAddress remoteAddr = packet.getAddress();
int port = packet.getPort();
List<EventReply> replys = new ArrayList<EventReply>();
if (receipt != null) {
String[] uuids = receipt.getUuid();
for (String uuid : uuids) {
EventReply reply = new EventReply(remoteAddr, port, uuid);
replys.add(reply);
}
}
return replys;
}
@Override
protected void run() throws Exception {
while (isRunning()) {
// PACKET RECEIVED
socket.receive(packet);
int length = packet.getLength();
byte[] data = ByteBuffer.allocate(length).put(packet.getData(), 0, length).array();
SocketAddress address = packet.getSocketAddress();
// ALLOCATE CLIENT
SWGClient client =
(!connections.containsKey(address))
? clientFactory.create(address)
: connections.get(address);
data = packagingService.disassemble(data, client.getCrc());
if (data.length == 1) {
// TODO: Queue logout packet
// TODO: Disconnect client
} else if (data.length == 0) {
} else {
// TODO: Create SWG Message from data
}
}
}
public void run() {
printWelcome();
while (!welcomingSocket.isClosed()) {
while (!canCreateNewWorker()) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
continue;
}
}
try {
DatagramPacket pkt = new DatagramPacket(new byte[EXPECTED_REQ_SIZE], EXPECTED_REQ_SIZE);
welcomingSocket.receive(pkt); // Blocks!
RequestPacket reqPkt = new RequestPacket(pkt);
if (reqPkt.isCorrupted()) {
continue;
}
ConnectionHandler conn = new ConnectionHandler(strategy, reqPkt, plp, pep, rngSeed, maxN);
Thread connectionHandler = new Thread(conn);
connectionHandler.start();
workers.add(new Worker(connectionHandler, conn, System.currentTimeMillis()));
} catch (IOException e) {
continue;
}
}
}
/** Accept incoming events and processes them. */
@Override
public void run() {
while (isActive()) {
if (datagramSocket.isClosed()) {
// OK we're done.
return;
}
try {
final byte[] buf = new byte[maxBufferSize];
final DatagramPacket packet = new DatagramPacket(buf, buf.length);
datagramSocket.receive(packet);
final ByteArrayInputStream bais =
new ByteArrayInputStream(packet.getData(), packet.getOffset(), packet.getLength());
logEventInput.logEvents(logEventInput.wrapStream(bais), this);
} catch (final OptionalDataException e) {
if (datagramSocket.isClosed()) {
// OK we're done.
return;
}
logger.error("OptionalDataException eof=" + e.eof + " length=" + e.length, e);
} catch (final EOFException e) {
if (datagramSocket.isClosed()) {
// OK we're done.
return;
}
logger.info("EOF encountered");
} catch (final IOException e) {
if (datagramSocket.isClosed()) {
// OK we're done.
return;
}
logger.error("Exception encountered on accept. Ignoring. Stack Trace :", e);
}
}
}
public static void main(String[] args) throws Exception {
if (args.length != 2) {
System.err.println("Usage: java RFS862_UdpClient <destination host> <destination port>");
System.exit(1);
}
// get the dest host + port from console
String dest_host = args[0];
int dest_port = Integer.parseInt(args[1]);
// input stream from the console
BufferedReader inFromUserConsole = new BufferedReader(new InputStreamReader(System.in));
// new udp socket
DatagramSocket clientSocket = new DatagramSocket();
InetAddress IPAddress = InetAddress.getByName(dest_host);
// sizes of sent and received data
byte[] sendData = new byte[1024];
byte[] receiveData = new byte[1024];
// the message from the client
System.out.println("Please input a message:");
String sentence = inFromUserConsole.readLine();
sendData = sentence.getBytes();
// build the datagram package
DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, dest_port);
// send it to the server
clientSocket.send(sendPacket);
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
// get data from the server
clientSocket.receive(receivePacket);
// cast the received message as string
String modifiedSentence = new String(receivePacket.getData());
System.out.println(modifiedSentence);
// close the client socket
clientSocket.close();
}
@Override
public SctpChannel accept()
throws IOException, SctpException, InvalidKeyException, NoSuchAlgorithmException {
logger.setLevel(Level.INFO);
DatagramPacket receivePacket = new DatagramPacket(buffer, buffer.length);
SctpPacket packet = null;
while (true) {
serverSocket.receive(receivePacket);
try {
packet = new SctpPacket(buffer, 0, receivePacket.getLength());
} catch (SctpException e) {
logger.log(Level.WARNING, e.getMessage());
continue;
}
logger.log(Level.INFO, "receive new packet");
InetSocketAddress address =
new InetSocketAddress(receivePacket.getAddress(), receivePacket.getPort());
packet.apply(address, this);
Association association = pendingAssociations.get(address);
if (association != null && association.getState() == State.ESTABLISHED) {
return new SctpChannel(association);
}
}
}
/**
* Sends a Radius packet to the server and awaits an answer.
*
* @param request packet to be sent
* @param port server port number
* @return response Radius packet
* @exception RadiusException malformed packet
* @exception IOException communication error (after getRetryCount() retries)
*/
public RadiusPacket communicate(RadiusPacket request, int port)
throws IOException, RadiusException {
DatagramPacket packetIn =
new DatagramPacket(
new byte[RadiusPacket.MAX_PACKET_LENGTH], RadiusPacket.MAX_PACKET_LENGTH);
DatagramPacket packetOut = makeDatagramPacket(request, port);
DatagramSocket socket = getSocket();
for (int i = 1; i <= getRetryCount(); i++) {
try {
socket.send(packetOut);
socket.receive(packetIn);
return makeRadiusPacket(packetIn, request);
} catch (IOException ioex) {
if (i == getRetryCount()) {
if (logger.isErrorEnabled()) {
if (ioex instanceof SocketTimeoutException)
logger.error("communication failure (timeout), no more retries");
else logger.error("communication failure, no more retries", ioex);
}
throw ioex;
}
if (logger.isInfoEnabled()) logger.info("communication failure, retry " + i);
// TODO increase Acct-Delay-Time by getSocketTimeout()/1000
// this changes the packet authenticator and requires packetOut to be
// calculated again (call makeDatagramPacket)
}
}
return null;
}
public static void main(final String... args) throws Throwable {
final String remotehost = args[0];
final int remoteport = Integer.parseInt(args[1]);
final DatagramSocket socket = new DatagramSocket();
final byte buffer[] = new byte[512];
final InetSocketAddress remote = new InetSocketAddress(remotehost, remoteport);
buffer[0] = ENQUIRY;
buffer[1] = END_OF_TRANSMISSION;
socket.send(new DatagramPacket(buffer, 2, remote));
final DatagramPacket p = new DatagramPacket(buffer, buffer.length);
socket.receive(p);
if ((p.getLength() == 2) && (buffer[0] == ACKNOWLEDGE) && (buffer[1] == END_OF_TRANSMISSION))
System.out.println("Connection established");
else {
System.out.println("Connection failed");
return;
}
for (; ; ) {
int ptr = 0;
for (int d; (d = System.in.read()) != '\n'; ) buffer[ptr++] = (byte) d;
socket.send(new DatagramPacket(buffer, ptr, remote));
}
}
public void run() {
boolean running = true;
DatagramPacket msg = new DatagramPacket(b, b.length);
logReader.debug("Reader running (Multicast=" + (sock instanceof MulticastSocket) + ").");
while (running) {
try {
sock.receive(msg);
if (debugFull) logReader.debug(":run: PtP datagram received. Size = " + msg.getLength());
if ((ignoreSource != null)
&& (ignoreSource.getPort() == msg.getPort())
&& (ignoreSource.getAddress().equals(msg.getAddress()))) {
if (debugFull) logReader.debug(":run: Ignored Last received message");
} else receiveFormatSend(msg);
} catch (SocketTimeoutException ste) {
// ste.printStackTrace();
} catch (IOException e) {
System.err.println("[UdpSimpleSession:reader:run] IOException: " + e.getMessage());
}
synchronized (this) {
if (terminate) running = false;
}
}
}
public boolean canConnect() {
byte[] buf = new byte[PACKETSIZE];
DatagramPacket packet = new DatagramPacket(buf, buf.length);
try {
sendCommand("status");
} catch (Exception e) {
e.printStackTrace();
return false;
}
try {
socket.receive(packet);
} catch (IOException e) {
e.printStackTrace();
return false;
}
String received = "";
try {
// must be set explicitly to "ISO-8859-1" or we'll run into problems
// sending or receiving...
received = new String(packet.getData(), "ISO-8859-1");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
if (received.startsWith(PREFIX_PRINT)) {
return true;
}
return false;
}
public void run() {
while (moreQuotes) {
try {
byte[] buf = new byte[256];
// receive request
DatagramPacket packet = new DatagramPacket(buf, buf.length);
socket.receive(packet); // containing IP ecc.
// figure out response
String dString = null;
if (in == null) dString = new Date().toString();
else dString = getNextQuote();
buf = dString.getBytes();
// send the response to the client at "address" and "port"
InetAddress address = packet.getAddress();
int port = packet.getPort();
packet = new DatagramPacket(buf, buf.length, address, port);
socket.send(packet);
} catch (IOException e) {
e.printStackTrace();
moreQuotes = false;
}
}
socket.close();
}
/** @invisible */
public void run() {
if (_myDatagramSocket != null) {
if (isRunning) {
Logger.printProcess("UdpServer.run()", "UdpServer is running @ " + _myPort);
}
} else {
Logger.printError("UdpServer.run()", "Socket is null. closing UdpServer.");
return;
}
while (isRunning) {
try {
byte[] myBuffer = new byte[_myDatagramSize];
DatagramPacket myPacket = new DatagramPacket(myBuffer, _myDatagramSize);
_myDatagramSocket.receive(myPacket);
_myListener.process(myPacket, _myPort);
} catch (IOException ioex) {
Logger.printProcess("UdpServer.run()", " socket closed.");
break;
} catch (ArrayIndexOutOfBoundsException ex) {
Logger.printError("UdpServer.run()", "ArrayIndexOutOfBoundsException: " + ex);
}
}
dispose();
}
public void run() {
while (true) {
try {
DatagramSocket ClientSoc = new DatagramSocket(ClinetPortNumber);
String Command = "GET";
byte Sendbuff[] = new byte[1024];
Sendbuff = Command.getBytes();
InetAddress ServerHost = InetAddress.getLocalHost();
ClientSoc.send(new DatagramPacket(Sendbuff, Sendbuff.length, ServerHost, 5217));
byte Receivebuff[] = new byte[1024];
DatagramPacket dp = new DatagramPacket(Receivebuff, Receivebuff.length);
ClientSoc.receive(dp);
NewsMsg = new String(dp.getData(), 0, dp.getLength());
System.out.println(NewsMsg);
lblNewsHeadline.setText(NewsMsg);
Thread.sleep(5000);
ClientSoc.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
@Override
public void run() {
try {
socket = new DatagramSocket(port);
while (!isClosed) {
if (socket.isClosed()) return;
byte[] buf = new byte[256];
// receive request
DatagramPacket packet = new DatagramPacket(buf, buf.length);
socket.receive(packet);
ByteArrayInputStream bis = new ByteArrayInputStream(buf, 0, packet.getLength());
BufferedReader in = new BufferedReader(new InputStreamReader(bis));
String msg;
while ((msg = in.readLine()) != null) {
logger.debug("Read from socket: " + msg);
content.add(msg.trim());
}
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
public PingResult ping(ScanningSubject subject, int count) throws IOException {
PingResult result = new PingResult(subject.getAddress());
DatagramSocket socket = sockets.bind(new DatagramSocket());
socket.setSoTimeout(timeout);
socket.connect(subject.getAddress(), PROBE_UDP_PORT);
for (int i = 0; i < count && !Thread.currentThread().isInterrupted(); i++) {
long startTime = System.currentTimeMillis();
byte[] payload = new byte[8];
ByteBuffer.wrap(payload).putLong(startTime);
DatagramPacket packet = new DatagramPacket(payload, payload.length);
try {
socket.send(packet);
socket.receive(packet);
} catch (PortUnreachableException e) {
result.addReply(System.currentTimeMillis() - startTime);
} catch (SocketTimeoutException ignore) {
} catch (NoRouteToHostException e) {
// this means that the host is down
break;
} catch (SocketException e) {
if (e.getMessage().contains(/*No*/ "route to host")) {
// sometimes 'No route to host' also gets here...
break;
}
} catch (IOException e) {
LOG.log(FINER, subject.toString(), e);
}
}
return result;
}
// start up the server
public void start() {
DatagramSocket socket = null;
try {
// create a datagram socket, bind to port port. See
// http://docs.oracle.com/javase/tutorial/networking/datagrams/ for
// details.
socket = new DatagramSocket(port);
// receive packets in an infinite loop
while (true) {
// create an empty UDP packet
byte[] buf = new byte[Server.MAX_PACKET_SIZE];
DatagramPacket packet = new DatagramPacket(buf, buf.length);
// call receive (this will poulate the packet with the received
// data, and the other endpoint's info)
socket.receive(packet);
// start up a worker thread to process the packet (and pass it
// the socket, too, in case the
// worker thread wants to respond)
WorkerThread t = new WorkerThread(packet, socket);
t.start();
}
} catch (IOException e) {
// we jump out here if there's an error, or if the worker thread (or
// someone else) closed the socket
e.printStackTrace();
} finally {
if (socket != null && !socket.isClosed()) socket.close();
}
}
