public static void main(String[] args) {
ServerSocket welcomeSocket; // TCP-Server-Socketklasse
Socket connectionSocket; // TCP-Standard-Socketklasse
int counter = 0; // Z�hlt die erzeugten Bearbeitungs-Threads
try {
/* Server-Socket erzeugen */
welcomeSocket = new ServerSocket(SERVER_PORT);
while (true) { // Server laufen IMMER
System.out.println(
"TCP Server: Waiting for connection - listening TCP port " + SERVER_PORT);
/*
* Blockiert auf Verbindungsanfrage warten --> nach
* Verbindungsaufbau Standard-Socket erzeugen und
* connectionSocket zuweisen
*/
connectionSocket = welcomeSocket.accept();
/* Neuen Arbeits-Thread erzeugen und den Socket �bergeben */
(new TCPServerThread(++counter, connectionSocket)).start();
}
} catch (IOException e) {
System.err.println(e.toString());
}
}
public ByteBuffer run(Retriever retriever) {
if (!retriever.getState().equals(Retriever.RETRIEVER_STATE_SUCCESSFUL)) return null;
HTTPRetriever htr = (HTTPRetriever) retriever;
if (htr.getResponseCode() == HttpURLConnection.HTTP_NO_CONTENT) {
// Mark tile as missing to avoid excessive attempts
MercatorTiledImageLayer.this.levels.markResourceAbsent(tile);
return null;
}
if (htr.getResponseCode() != HttpURLConnection.HTTP_OK) return null;
URLRetriever r = (URLRetriever) retriever;
ByteBuffer buffer = r.getBuffer();
String suffix = WWIO.makeSuffixForMimeType(htr.getContentType());
if (suffix == null) {
return null; // TODO: log error
}
String path = tile.getPath().substring(0, tile.getPath().lastIndexOf("."));
path += suffix;
final File outFile = WorldWind.getDataFileStore().newFile(path);
if (outFile == null) return null;
try {
WWIO.saveBuffer(buffer, outFile);
return buffer;
} catch (IOException e) {
e.printStackTrace(); // TODO: log error
return null;
}
}
private void handleKeepAlive() {
Connection c = null;
try {
netCode = ois.readInt();
c = checkConnectionNetCode();
if (c != null && c.getState() == Connection.STATE_CONNECTED) {
oos.writeInt(ACK_KEEP_ALIVE);
oos.flush();
System.out.println("->ACK_KEEP_ALIVE"); // $NON-NLS-1$
} else {
System.out.println("->NOT_CONNECTED"); // $NON-NLS-1$
oos.writeInt(NOT_CONNECTED);
oos.flush();
}
} catch (IOException e) {
System.out.println("handleKeepAlive: " + e.getMessage()); // $NON-NLS-1$
if (c != null) {
c.setState(Connection.STATE_DISCONNECTED);
System.out.println(
"Connection closed with "
+ c.getRemoteAddress()
+ //$NON-NLS-1$
":"
+ c.getRemotePort()); // $NON-NLS-1$
}
}
}
// Send File
public void sendFile(String chunkName) throws IOException {
OutputStream os = null;
String currentDir = System.getProperty("user.dir");
chunkName = currentDir + "/src/srcFile/" + chunkName;
File myFile = new File(chunkName);
byte[] arrby = new byte[(int) myFile.length()];
try {
FileInputStream fis = new FileInputStream(myFile);
BufferedInputStream bis = new BufferedInputStream(fis);
bis.read(arrby, 0, arrby.length);
os = csocket.getOutputStream();
System.out.println("Sending File.");
os.write(arrby, 0, arrby.length);
os.flush();
System.out.println("File Sent.");
// os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
// os.close();
}
}
public static String visitWeb(String urlStr) {
URL url = null;
HttpURLConnection httpConn = null;
InputStream in = null;
try {
url = new URL(urlStr);
httpConn = (HttpURLConnection) url.openConnection();
HttpURLConnection.setFollowRedirects(true);
httpConn.setRequestMethod("GET");
httpConn.setRequestProperty("User-Agent", "Mozilla/4.0(compatible;MSIE 6.0;Windows 2000)");
in = httpConn.getInputStream();
return convertStreamToString(in);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
in.close();
httpConn.disconnect();
} catch (Exception ex) {
ex.printStackTrace();
}
}
return null;
}
public static void main(String[] args) {
try {
System.out.println("Creando socket servidor");
ServerSocket serverSocket = new ServerSocket();
System.out.println("Realizando el enlace");
InetSocketAddress addr = new InetSocketAddress("localhost", 5555);
serverSocket.bind(addr);
System.out.println("Aceptando conexiones");
Socket newSocket = serverSocket.accept();
System.out.println("Conexión recibida");
InputStream is = newSocket.getInputStream();
OutputStream os = newSocket.getOutputStream();
byte[] mensaje = new byte[25];
is.read(mensaje);
System.out.println("Mensaje recibido: " + new String(mensaje));
System.out.println("Cerrando el nuevo socket");
newSocket.close();
System.out.println("Cerrando el socket servidor");
serverSocket.close();
System.out.println("Terminado");
} catch (IOException e) {
e.printStackTrace();
}
}
private boolean connectSPPMon() {
if (state == ConnectionEvent.CONNECTION_PENDING) {
ExpCoordinator.print(
new String("NCCPConnection(" + host + ", " + port + ").connect connection pending"), 0);
while (state == ConnectionEvent.CONNECTION_PENDING) {
try {
Thread.sleep(500);
} catch (java.lang.InterruptedException e) {
}
}
return (isConnected());
}
state = ConnectionEvent.CONNECTION_PENDING;
if (nonProxy != null) {
try {
nonProxy.connect();
} catch (UnknownHostException e) {
boolean rtn = informUserError("Don't know about host: " + host + ":" + e.getMessage());
return rtn;
} catch (SocketTimeoutException e) {
boolean rtn = informUserError("Socket time out for " + host + ":" + e.getMessage());
return rtn;
} catch (IOException e) {
boolean rtn = informUserError("Couldnt get I/O for " + host + ":" + e.getMessage());
return rtn;
}
}
return (isConnected());
}
public timeReader() {
try {
time = new BufferedReader(new InputStreamReader(socketForTime.getInputStream()));
} catch (IOException e) {
e.printStackTrace();
}
}
public void run() {
try {
boolean connected = true;
System.out.println("a client has connected!");
dis = new DataInputStream(s.getInputStream());
dos = new DataOutputStream(s.getOutputStream());
while (connected) {
int cid = clients.indexOf(this) + 1;
try {
String str = dis.readUTF();
System.out.println(str);
for (int i = 0; i < clients.size(); i++) {
clients.get(i).dos.writeUTF("Client" + cid + ":" + str);
}
} catch (IOException e) {
connected = false;
}
}
dis.close();
dos.close();
s.close();
clients.remove(this);
System.out.println("a client is qiut!");
} catch (IOException e) {
e.printStackTrace();
}
}
private Class<?> findClassInComponents(final String name) throws ClassNotFoundException {
final String classFilename = this.getClassFilename(name);
final Enumeration<File> e = this.pathComponents.elements();
while (e.hasMoreElements()) {
final File pathComponent = e.nextElement();
InputStream stream = null;
try {
stream = this.getResourceStream(pathComponent, classFilename);
if (stream != null) {
this.log("Loaded from " + pathComponent + " " + classFilename, 4);
return this.getClassFromStream(stream, name, pathComponent);
}
continue;
} catch (SecurityException se) {
throw se;
} catch (IOException ioe) {
this.log(
"Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")",
3);
} finally {
FileUtils.close(stream);
}
}
throw new ClassNotFoundException(name);
}
public carReturned() {
try {
OISforLot = new ObjectInputStream(socketForParkingLot.getInputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
public void go() {
try {
ServerSocket serverSock = new ServerSocket(4242);
System.out.println(getTime() + "서버가 준비되었습니다.");
// ServerSocket을 통해 이 서버 애플리케이션은 이 코드가 실행되고 있는 시스템의 4242번 포트로 들어오는 클라이언트 요청을 감시한다.
while (true) {
System.out.println(getTime() + "연결요청을 기다립니다.");
Socket sock = serverSock.accept();
sock.setSoTimeout(2000);
// accept()메소드는 요청이 들어 올때까지 그냥 기다린다. 그리고 클라이언트 요청이 들어오면 클라이언트와 통신을 위해 (현재 쓰이고 있찌 않은 포트에 대한)
// Socket을 리턴함.
System.out.println(getTime() + sock.getInetAddress() + "로부터 연결요청이 들어왔습니다.");
PrintWriter writer = new PrintWriter(sock.getOutputStream());
String advice = getAdvice();
writer.println(advice);
writer.close();
// 이제 클라이언트에 대한 Socket연결을 써서 PrintWriter를 만들고 클라이언트에 String 조언메시지를 보냄(println() 메소드 사용)
// 그리고 나면 클라이언트와의 작업이 끝난 것이므로 Socket을 닫는다.
System.out.println(advice);
}
} catch (IOException ex) {
System.out.println("ssss");
ex.printStackTrace();
}
} // go 메소드
public static void ensureExists(File thing, String resource) {
System.err.println("configfile = " + thing);
if (!thing.exists()) {
try {
System.err.println("Creating: " + thing + " from " + resource);
if (resource.indexOf("/") != 0) {
resource = "/" + resource;
}
InputStream is = Config.class.getResourceAsStream(resource);
if (is == null) {
throw new NullPointerException("Can't find resource: " + resource);
}
getParentFile(thing).mkdirs();
OutputStream os = new FileOutputStream(thing);
for (int next = is.read(); next != -1; next = is.read()) {
os.write(next);
}
os.flush();
os.close();
} catch (FileNotFoundException fnfe) {
throw new Error("Can't create resource: " + fnfe.getMessage());
} catch (IOException ioe) {
throw new Error("Can't create resource: " + ioe.getMessage());
}
}
}
public void run() {
String capitalizedSentence;
System.out.println("TCP Server Thread " + name + " is running until QUIT is received!");
try {
/* Socket-Basisstreams durch spezielle Streams filtern */
inFromClient = new BufferedReader(new InputStreamReader(socket.getInputStream()));
outToClient = new DataOutputStream(socket.getOutputStream());
while (serviceRequested) {
/* String vom Client empfangen und in Gro�buchstaben umwandeln */
capitalizedSentence = readFromClient().toUpperCase();
/* Modifizierten String an Client senden */
writeToClient(capitalizedSentence);
/* Test, ob Arbeitsthread beendet werden soll */
if (capitalizedSentence.indexOf("QUIT") > -1) {
serviceRequested = false;
}
}
/* Socket-Streams schlie�en --> Verbindungsabbau */
socket.close();
} catch (IOException e) {
System.err.println(e.toString());
System.exit(1);
}
System.out.println("TCP Server Thread " + name + " stopped!");
}
public static void main(String[] args) {
try {
Socket s1 = new Socket("127.0.0.1", 57643);
InputStream is = s1.getInputStream();
DataInputStream dis = new DataInputStream(is);
System.out.println(dis.readUTF());
OutputStream os = s1.getOutputStream();
DataOutputStream dos = new DataOutputStream(os);
dos.writeUTF("Oh my gosh...");
dis.close();
is.close();
dos.close();
os.close();
s1.close();
} catch (ConnectException connExc) {
connExc.printStackTrace();
System.out.println("Server connection failed");
} catch (IOException ioExc) {
ioExc.printStackTrace();
}
}
/** Kills the receiver and ends the connection. Should also be performed before exiting. */
public void kill() {
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// прочитать весь json в строку
private static String readAll() throws IOException {
StringBuilder data = new StringBuilder();
try {
HttpURLConnection con = (HttpURLConnection) ((new URL(PRODUCT_URL).openConnection()));
con.setRequestMethod("GET");
con.setDoInput(true);
String s;
try (BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()))) {
while ((s = in.readLine()) != null) {
data.append(s);
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
throw new MalformedURLException("Url is not valid");
} catch (ProtocolException e) {
e.printStackTrace();
throw new ProtocolException("No such protocol, it must be POST,GET,PATCH,DELETE etc.");
} catch (IOException e) {
e.printStackTrace();
throw new IOException("cannot read from server");
}
return data.toString();
}
/**
* Create an Archival Unit
*
* @return true If successful
*/
private boolean createAu() {
Configuration config = getAuConfigFromForm();
AuProxy au;
Element element;
try {
au = getRemoteApi().createAndSaveAuConfiguration(getPlugin(), config);
} catch (ArchivalUnit.ConfigurationException exception) {
return error("Configuration failed: " + exception.getMessage());
} catch (IOException exception) {
return error("Unable to save configuration: " + exception.getMessage());
}
/*
* Successful creation - add the AU name and ID to the response document
*/
element = getXmlUtils().createElement(getResponseRoot(), AP_E_AU);
XmlUtils.addText(element, au.getName());
element = getXmlUtils().createElement(getResponseRoot(), AP_E_AUID);
XmlUtils.addText(element, au.getAuId());
return true;
}
public void run() {
try {
theInputStream = new BufferedReader(new InputStreamReader(client.getInputStream()));
theOutputStream = new PrintStream(client.getOutputStream());
while (true) {
readin = theInputStream.readLine();
chat.ta.append(readin + "\n");
}
} catch (SocketException e) {
chat.ta.append("连接中断！\n");
chat.clientBtn.setEnabled(true);
chat.serverBtn.setEnabled(true);
chat.tfaddress.setEnabled(true);
chat.tfport.setEnabled(true);
try {
i--;
skt.close();
client.close();
} catch (IOException err) {
chat.ta.append(err.toString());
}
} catch (IOException e) {
chat.ta.append(e.toString());
}
}
private void server() {
new CountDown(60).start();
while (true) {
try {
Socket socket = serverSock.accept();
System.out.println("New Client:" + socket);
if (readyState[6] == 1) {
System.out.println("正在游戏中，无法加入");
continue;
}
for (i = 0; i <= 5; i++) {
if (players[i].equals("虚位以待")) break;
}
if (i > 5) {
System.out.println("房间已满，无法加入");
continue;
}
i++;
ObjectOutputStream remoteOut = new ObjectOutputStream(socket.getOutputStream());
clients.addElement(remoteOut);
ObjectInputStream remoteIn = new ObjectInputStream(socket.getInputStream());
new ServerHelder(remoteIn, remoteOut, socket.getPort(), i).start();
} catch (IOException e) {
System.out.println(e.getMessage() + ": Failed to connect to client.");
try {
serverSock.close();
} catch (IOException x) {
System.out.println(e.getMessage() + ": Failed to close server socket.");
}
}
}
}
private void readProblemInfo(String pathName) {
ProblemManager problemManager = new ProblemManager();
File file = new File(pathName);
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line;
while ((line = br.readLine()) != null) {
String[] sp = line.split(",");
String input = MyUtil.readFromFile(new File(sp[1]));
String output = MyUtil.readFromFile(new File(sp[2]));
int timeLimit = Integer.valueOf(sp[3]);
int memoryLimit = Integer.valueOf(sp[4]);
String judgeMethod = "";
if (sp.length == 6) judgeMethod = MyUtil.readFromFile(new File(sp[5]));
Map<String, String> pinfo = new HashMap<String, String>();
this.problems.put(sp[0], new ProblemInfo(sp[0], timeLimit, memoryLimit, 0));
pinfo.put("problem_id", sp[0]);
pinfo.put("time_limit", String.valueOf(timeLimit));
pinfo.put("memory_limit", String.valueOf(memoryLimit));
pinfo.put("special_judge", judgeMethod);
pinfo.put("input", input);
pinfo.put("output", output);
pinfo.put("time_stamp", "0");
problemManager.addEntry(pinfo);
}
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
}
public HttpReport(QAT parent, String urlString, String baseDir, StatusWindow status) {
// check if the basedir exists
if (!(new File(baseDir).exists())) {
String message = "Error - cannot generate report, directory does not exist:" + baseDir;
if (status == null) {
System.out.println(message);
} else {
status.setMessage(message);
}
return;
}
this.parent = parent;
this.status = status;
processedLinks = new ArrayList();
try {
processURL(new URL(urlString), baseDir, status);
writeDeadLinks(baseDir);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
processedLinks.clear();
}
}
/**
* Creates new HTTP requests handler.
*
* @param hnd Handler.
* @param authChecker Authentication checking closure.
* @param log Logger.
*/
GridJettyRestHandler(
GridRestProtocolHandler hnd, GridClosure<String, Boolean> authChecker, GridLogger log) {
assert hnd != null;
assert log != null;
this.hnd = hnd;
this.log = log;
this.authChecker = authChecker;
// Init default page and favicon.
try {
initDefaultPage();
if (log.isDebugEnabled()) log.debug("Initialized default page.");
} catch (IOException e) {
U.warn(log, "Failed to initialize default page: " + e.getMessage());
}
try {
initFavicon();
if (log.isDebugEnabled())
log.debug(
favicon != null ? "Initialized favicon, size: " + favicon.length : "Favicon is null.");
} catch (IOException e) {
U.warn(log, "Failed to initialize favicon: " + e.getMessage());
}
}
public void run() {
byte[] tmp = new byte[10000];
int read;
try {
FileInputStream fis = new FileInputStream(fileToSend.getFile());
read = fis.read(tmp);
while (read != -1) {
baos.write(tmp, 0, read);
read = fis.read(tmp);
System.out.println(read);
}
fis.close();
baos.writeTo(sWriter);
sWriter.flush();
baos.flush();
baos.close();
System.out.println("fileSent");
} catch (IOException e) {
e.printStackTrace();
} finally {
this.closeSocket();
}
}
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 Server() {
try {
ServerSocket ss = new ServerSocket(SERVER_PORT);
Socket s = ss.accept();
InputStream is = s.getInputStream();
OutputStream out = s.getOutputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String sss = br.readLine();
System.out.println(sss);
PrintWriter pw = new PrintWriter(out);
pw.print("hello,我是服务器。");
pw.close();
br.close();
isr.close();
out.close();
is.close();
s.close();
ss.close();
} catch (UnknownHostException ue) {
ue.printStackTrace();
} catch (IOException oe) {
oe.printStackTrace();
}
}
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();
}
/**
* Save onscreen image to file - suffix must be png, jpg, or gif.
*
* @param filename the name of the file with one of the required suffixes
*/
public static void save(String filename) {
File file = new File(filename);
String suffix = filename.substring(filename.lastIndexOf('.') + 1);
// png files
if (suffix.toLowerCase().equals("png")) {
try {
ImageIO.write(onscreenImage, suffix, file);
} catch (IOException e) {
e.printStackTrace();
}
}
// need to change from ARGB to RGB for jpeg
// reference:
// http://archives.java.sun.com/cgi-bin/wa?A2=ind0404&L=java2d-interest&D=0&P=2727
else if (suffix.toLowerCase().equals("jpg")) {
WritableRaster raster = onscreenImage.getRaster();
WritableRaster newRaster;
newRaster = raster.createWritableChild(0, 0, width, height, 0, 0, new int[] {0, 1, 2});
DirectColorModel cm = (DirectColorModel) onscreenImage.getColorModel();
DirectColorModel newCM =
new DirectColorModel(
cm.getPixelSize(), cm.getRedMask(), cm.getGreenMask(), cm.getBlueMask());
BufferedImage rgbBuffer = new BufferedImage(newCM, newRaster, false, null);
try {
ImageIO.write(rgbBuffer, suffix, file);
} catch (IOException e) {
e.printStackTrace();
}
} else {
System.out.println("Invalid image file type: " + suffix);
}
}
/**
* compare the byte-array representation of two TaskObjects.
*
* @param f TaskObject
* @param s TaskObject
* @return true if the two arguments have the same byte-array
*/
private boolean sameBytes(TaskObject f, TaskObject s) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutput out = null;
try {
out = new ObjectOutputStream(bos);
out.writeObject(f);
byte[] fs = bos.toByteArray();
out.writeObject(s);
byte[] ss = bos.toByteArray();
if (fs.length != ss.length) return false;
for (int i = 0; i < fs.length; i++) {
if (fs[i] != ss[i]) return false;
}
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// ignore
}
try {
bos.close();
} catch (IOException e) {
// ignore
}
}
}
}
public void copyFile(String file1, String file2) {
InputStream inStream = null;
OutputStream outStream = null;
try {
File afile = new File(file1);
File bfile = new File(file2);
inStream = new FileInputStream(afile);
outStream = new FileOutputStream(bfile);
byte[] buffer = new byte[1024];
int length;
// copy the file content in bytes
while ((length = inStream.read(buffer)) > 0) {
outStream.write(buffer, 0, length);
}
inStream.close();
outStream.close();
System.out.println("File is copied successful!");
} catch (IOException e) {
e.printStackTrace();
}
}