private final void socketrun() {
do {
if (link.socketport != 0) {
try {
Socket socket =
new Socket(InetAddress.getByName(getCodeBase().getHost()), link.socketport);
socket.setSoTimeout(30000);
socket.setTcpNoDelay(true);
link.s = socket;
} catch (Exception _ex) {
link.s = null;
}
link.socketport = 0;
}
if (link.runme != null) {
Thread thread = new Thread(link.runme);
thread.setDaemon(true);
thread.start();
link.runme = null;
}
if (link.iplookup != null) {
String s = "unknown";
try {
s = InetAddress.getByName(link.iplookup).getHostName();
} catch (Exception _ex) {
}
link.host = s;
link.iplookup = null;
}
try {
Thread.sleep(100L);
} catch (Exception _ex) {
}
} while (true);
}
void execute(final Socket sock)
throws IOException, ServiceNotEnabledException, ServiceNotAuthorizedException {
rawIn = new BufferedInputStream(sock.getInputStream());
rawOut = new SafeBufferedOutputStream(sock.getOutputStream());
if (0 < daemon.getTimeout()) {
sock.setSoTimeout(daemon.getTimeout() * 1000);
}
String cmd = new PacketLineIn(rawIn).readStringRaw();
final int nul = cmd.indexOf('\0');
if (nul >= 0) {
// Newer clients hide a "host" header behind this byte.
// Currently we don't use it for anything, so we ignore
// this portion of the command.
//
cmd = cmd.substring(0, nul);
}
final DaemonService srv = getDaemon().matchService(cmd);
if (srv == null) {
return;
}
sock.setSoTimeout(0);
srv.execute(this, cmd);
}
/**
* Returns true if the connection is functional. This uses a shameful hack to peek a byte from the
* socket.
*/
boolean isStale() throws IOException {
if (!isEligibleForRecycling()) {
return true;
}
InputStream in = getInputStream();
if (in.available() > 0) {
return false;
}
Socket socket = getSocket();
int soTimeout = socket.getSoTimeout();
try {
socket.setSoTimeout(1);
in.mark(1);
int byteRead = in.read();
if (byteRead != -1) {
in.reset();
return false;
}
return true; // the socket is reporting all data read; it's stale
} catch (SocketTimeoutException e) {
return false; // the connection is not stale; hooray
} catch (IOException e) {
return true; // the connection is stale, the read or soTimeout failed.
} finally {
socket.setSoTimeout(soTimeout);
}
}
/**
* Establish a connection with the Leader found by findLeader. Retries 5 times before giving up.
*
* @param addr - the address of the Leader to connect to.
* @throws IOException - if the socket connection fails on the 5th attempt
* @throws ConnectException
* @throws InterruptedException
*/
protected void connectToLeader(InetSocketAddress addr)
throws IOException, ConnectException, InterruptedException {
sock = new Socket();
sock.setSoTimeout(self.tickTime * self.initLimit);
for (int tries = 0; tries < 5; tries++) {
try {
sock.connect(addr, self.tickTime * self.syncLimit);
sock.setTcpNoDelay(nodelay);
break;
} catch (IOException e) {
if (tries == 4) {
LOG.error("Unexpected exception", e);
throw e;
} else {
LOG.warn("Unexpected exception, tries=" + tries + ", connecting to " + addr, e);
sock = new Socket();
sock.setSoTimeout(self.tickTime * self.initLimit);
}
}
Thread.sleep(1000);
}
leaderIs = M2mBinaryInputArchive.getArchive(new BufferedInputStream(sock.getInputStream()));
bufferedOutput = new BufferedOutputStream(sock.getOutputStream());
leaderOs = M2mBinaryOutputArchive.getArchive(bufferedOutput);
}
/**
* Returns true if we are confident that we can read data from this connection. This is more
* expensive and more accurate than {@link #isAlive()}; callers should check {@link #isAlive()}
* first.
*/
public boolean isReadable() {
if (!(in instanceof BufferedInputStream)) {
return true; // Optimistic.
}
if (isSpdy()) {
return true; // Optimistic. We can't test SPDY because its streams are in use.
}
BufferedInputStream bufferedInputStream = (BufferedInputStream) in;
try {
int readTimeout = socket.getSoTimeout();
try {
socket.setSoTimeout(1);
bufferedInputStream.mark(1);
if (bufferedInputStream.read() == -1) {
return false; // Stream is exhausted; socket is closed.
}
bufferedInputStream.reset();
return true;
} finally {
socket.setSoTimeout(readTimeout);
}
} catch (SocketTimeoutException ignored) {
return true; // Read timed out; socket is good.
} catch (IOException e) {
return false; // Couldn't read; socket is closed.
}
}
private void dispatchEvents(LoggerContext lc) {
try {
socket.setSoTimeout(acceptConnectionTimeout);
ObjectInputStream ois = new ObjectInputStream(socket.getInputStream());
socket.setSoTimeout(0);
addInfo(receiverId + "connection established");
while (true) {
ILoggingEvent event = (ILoggingEvent) ois.readObject();
Logger remoteLogger = lc.getLogger(event.getLoggerName());
if (remoteLogger.isEnabledFor(event.getLevel())) {
remoteLogger.callAppenders(event);
}
}
} catch (EOFException ex) {
addInfo(receiverId + "end-of-stream detected");
} catch (IOException ex) {
addInfo(receiverId + "connection failed: " + ex);
} catch (ClassNotFoundException ex) {
addInfo(receiverId + "unknown event class: " + ex);
} finally {
CloseUtil.closeQuietly(socket);
socket = null;
addInfo(receiverId + "connection closed");
}
}
/** Handshake with the debuggee */
void handshake(Socket s, long timeout) throws IOException {
s.setSoTimeout((int) timeout);
byte[] hello = "JDWP-Handshake".getBytes("UTF-8");
s.getOutputStream().write(hello);
byte[] b = new byte[hello.length];
int received = 0;
while (received < hello.length) {
int n;
try {
n = s.getInputStream().read(b, received, hello.length - received);
} catch (SocketTimeoutException x) {
throw new IOException("handshake timeout");
}
if (n < 0) {
s.close();
throw new IOException("handshake failed - connection prematurally closed");
}
received += n;
}
for (int i = 0; i < hello.length; i++) {
if (b[i] != hello[i]) {
throw new IOException("handshake failed - unrecognized message from target VM");
}
}
// disable read timeout
s.setSoTimeout(0);
}
/**
* Handle a Magnet request via a socket (for TCP handling). Deiconify the application, fire MAGNET
* request and return true as a sign that LimeWire is running.
*/
public void fireControlThread(Socket socket, boolean magnet) {
LOG.trace("enter fireControl");
Thread.currentThread().setName("IncomingControlThread");
try {
// Only allow control from localhost
if (!NetworkUtils.isLocalHost(socket)) {
if (LOG.isWarnEnabled())
LOG.warn("Invalid control request from: " + socket.getInetAddress().getHostAddress());
return;
}
// First read extra parameter
socket.setSoTimeout(Constants.TIMEOUT);
ByteReader br = new ByteReader(socket.getInputStream());
// read the first line. if null, throw an exception
String line = br.readLine();
socket.setSoTimeout(0);
BufferedOutputStream out = new BufferedOutputStream(socket.getOutputStream());
String s = CommonUtils.getUserName() + "\r\n";
// system internal, so use system encoding
byte[] bytes = s.getBytes();
out.write(bytes);
out.flush();
if (magnet) handleMagnetRequest(line);
else handleTorrentRequest(line);
} catch (IOException e) {
LOG.warn("Exception while responding to control request", e);
} finally {
IOUtils.close(socket);
}
}
byte[] listenForFirstMessage() throws IOException {
socket.setSoTimeout(0);
if (is.read() != 0x00) {
throw new IOException(
"Message does not start with 0x00 as expected in by the wrapper header.");
}
socket.setSoTimeout(messageFragmentTimeout);
byte version = is.readByte();
if (version != 1) {
throw new IOException("Version in wrapper header is not 1 but: " + version);
}
logicalDeviceAddress = is.readUnsignedShort();
clientAccessPoint = is.readUnsignedShort();
int length = is.readUnsignedShort();
byte[] tSdu = new byte[length];
is.readFully(tSdu);
return tSdu;
}
/**
* Creates a ClientController object that represents a connection with the server described in the
* arguments as the specified username.
*
* @param ip The IP address of the server.
* @param port The port of the server.
* @param userName The username this client is identifying as.
* @param chatArea The UI component to display chat messages.
* @param sendArea The UI component where text to send should be entered.
* @param groupList The UI component used to display a list of groups.
* @param userList The UI component used to display a list of users in the client's current group.
* @throws IOException If an I/O error occurs while establishing a connection.
* @throws IllegalArgumentException If the username is invalid.
*/
public ClientController(
InetAddress ip,
int port,
String userName,
JTextArea chatArea,
JTextField sendArea,
JList<String> groupList,
JList<String> userList)
throws IOException, IllegalArgumentException {
this.socket = new Socket(ip, port);
this.inputStream = socket.getInputStream();
ClientController.groups = new HashMap<String, ArrayList<String>>();
this.outputStream = socket.getOutputStream();
this.writer = new BufferedWriter(new OutputStreamWriter(outputStream));
ClientController.userName = userName;
socket.setSoTimeout(5000); // Limit amount of time server can take to validate username
if (!getUserNameConfirmation()) { // Bad username
throw new IllegalArgumentException("Duplicate or invalid username");
}
socket.setSoTimeout(0);
ClientController.groupList = groupList;
ClientController.userList = userList;
new Receiver(socket, chatArea).start();
}
public void run() {
ServerSocket server = null;
try {
server = new ServerSocket(link.getSerPort());
System.out.println("System Online!");
} catch (Exception e) {
e.printStackTrace();
return;
}
try {
Socket remoteSocket = server.accept();
System.out.println("remoteSocket accpet!");
Socket localSocket = server.accept();
System.out.println("localSocket accpet!");
remoteSocket.setSoTimeout(0);
localSocket.setSoTimeout(0);
remoteSocket.setTcpNoDelay(true);
localSocket.setTcpNoDelay(true);
new TransferDown(remoteSocket, localSocket, "ToCZ");
new TransferUp(remoteSocket, localSocket, "ToYonYou");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testHalfCloseClientServer() throws Exception {
ServerSocketChannel connector = ServerSocketChannel.open();
connector.socket().bind(null);
Socket client = SocketChannel.open(connector.socket().getLocalSocketAddress()).socket();
client.setSoTimeout(1000);
client.setSoLinger(false, -1);
Socket server = connector.accept().socket();
server.setSoTimeout(1000);
server.setSoLinger(false, -1);
// Write from client to server
client.getOutputStream().write(1);
// Server reads
assertEquals(1, server.getInputStream().read());
// Write from server to client with oshut
server.getOutputStream().write(1);
// System.err.println("OSHUT "+server);
server.shutdownOutput();
// Client reads response
assertEquals(1, client.getInputStream().read());
try {
// Client reads -1 and does ishut
assertEquals(-1, client.getInputStream().read());
assertFalse(client.isInputShutdown());
// System.err.println("ISHUT "+client);
client.shutdownInput();
// Client ???
// System.err.println("OSHUT "+client);
client.shutdownOutput();
// System.err.println("CLOSE "+client);
client.close();
// Server reads -1, does ishut and then close
assertEquals(-1, server.getInputStream().read());
assertFalse(server.isInputShutdown());
// System.err.println("ISHUT "+server);
try {
server.shutdownInput();
} catch (SocketException e) {
// System.err.println(e);
}
// System.err.println("CLOSE "+server);
server.close();
} catch (Exception e) {
System.err.println(e);
assertTrue(OS.IS_OSX);
}
}
@Override
public void DoStreaming(
Socket Connection,
InputStream pInputStream,
int pInputStreamSize,
OutputStream pOutputStream,
TOnProgressHandler OnProgressHandler,
int StreamingTimeout,
int IdleTimeoutCounter,
TOnIdleHandler OnIdleHandler,
TCanceller Canceller)
throws Exception {
byte[] TransferBuffer = new byte[DescriptorSize];
short Size;
int BytesRead, BytesRead1;
int IdleTimeoutCount = 0;
int _StreamingTimeout = StreamingTimeout * IdleTimeoutCounter;
while (!Canceller.flCancel) {
try {
if (Connection != null) Connection.setSoTimeout(StreamingTimeout);
BytesRead =
TNetworkConnection.InputStream_ReadData(pInputStream, TransferBuffer, DescriptorSize);
if (BytesRead <= 0) break; // . >
IdleTimeoutCount = 0;
} catch (SocketTimeoutException E) {
IdleTimeoutCount++;
if (IdleTimeoutCount >= IdleTimeoutCounter) {
IdleTimeoutCount = 0;
OnIdleHandler.DoOnIdle(Canceller);
}
// .
continue; // . ^
}
if (BytesRead != DescriptorSize) throw new IOException("wrong data descriptor"); // . =>
// .
BytesRead1 = 0;
Size = (short) (((TransferBuffer[1] & 0xFF) << 8) + (TransferBuffer[0] & 0xFF));
if (Size > 0) {
if (Size > TransferBuffer.length) TransferBuffer = new byte[Size];
if (Connection != null) Connection.setSoTimeout(_StreamingTimeout);
BytesRead1 = TNetworkConnection.InputStream_ReadData(pInputStream, TransferBuffer, Size);
if (BytesRead1 <= 0) break; // . >
// . parse and process
ParseFromByteArrayAndProcess(TransferBuffer, 0, Size);
// .
OnProgressHandler.DoOnProgress(BytesRead1, Canceller);
}
// .
if (pInputStreamSize > 0) {
pInputStreamSize -= (BytesRead + BytesRead1);
if (pInputStreamSize <= 0) break; // . >
}
}
}
@Test
public void testEcho() throws Exception {
Socket client = newClient();
client.setSoTimeout(60000);
SocketChannel server = _connector.accept();
server.configureBlocking(false);
_manager.accept(server);
// Write client to server
client.getOutputStream().write("HelloWorld".getBytes(StandardCharsets.UTF_8));
// Verify echo server to client
for (char c : "HelloWorld".toCharArray()) {
int b = client.getInputStream().read();
assertTrue(b > 0);
assertEquals(c, (char) b);
}
// wait for read timeout
client.setSoTimeout(500);
long start = System.currentTimeMillis();
try {
client.getInputStream().read();
Assert.fail();
} catch (SocketTimeoutException e) {
long duration = System.currentTimeMillis() - start;
Assert.assertThat("timeout duration", duration, greaterThanOrEqualTo(400L));
}
// write then shutdown
client.getOutputStream().write("Goodbye Cruel TLS".getBytes(StandardCharsets.UTF_8));
// Verify echo server to client
for (char c : "Goodbye Cruel TLS".toCharArray()) {
int b = client.getInputStream().read();
Assert.assertThat("expect valid char integer", b, greaterThan(0));
assertEquals("expect characters to be same", c, (char) b);
}
client.close();
for (int i = 0; i < 10; ++i) {
if (server.isOpen()) Thread.sleep(10);
else break;
}
assertFalse(server.isOpen());
}
public void setSoTimeout(int timeout) {
try {
_socket.setSoTimeout(timeout);
} catch (SocketException e) {
e.printStackTrace();
}
}
public void run() {
logger.info("Started GSN Controller on port " + gsnControllerPort);
while (true) {
try {
Socket socket = mySocket.accept();
logger.debug("Opened connection on control socket.");
socket.setSoTimeout(GSN_CONTROL_READ_TIMEOUT);
// Only connections from localhost are allowed
if (ValidityTools.isLocalhost(socket.getInetAddress().getHostAddress()) == false) {
try {
logger.warn(
"Connection request from IP address >"
+ socket.getInetAddress().getHostAddress()
+ "< was denied.");
socket.close();
} catch (IOException ioe) {
// do nothing
}
continue;
}
new StopManager().start();
} catch (SocketTimeoutException e) {
logger.debug("Connection timed out. Message was: " + e.getMessage());
} catch (IOException e) {
logger.warn("Error while accepting control connection: " + e.getMessage());
}
}
}
@Test
public void testMaxIdleWithRequest10() throws Exception {
configureServer(new HelloWorldHandler());
Socket client = newSocket(HOST, _connector.getLocalPort());
client.setSoTimeout(10000);
assertFalse(client.isClosed());
OutputStream os = client.getOutputStream();
InputStream is = client.getInputStream();
String content = "Wibble";
byte[] contentB = content.getBytes("utf-8");
os.write(
("GET / HTTP/1.0\r\n"
+ "host: "
+ HOST
+ ":"
+ _connector.getLocalPort()
+ "\r\n"
+ "connection: keep-alive\r\n"
+ "\r\n")
.getBytes("utf-8"));
os.flush();
long start = System.currentTimeMillis();
String in = IO.toString(is);
Thread.sleep(300);
assertEquals(-1, is.read());
Assert.assertTrue(System.currentTimeMillis() - start > 200);
Assert.assertTrue(System.currentTimeMillis() - start < 5000);
}
/**
* Waits for a client to connect to the ident server before making an appropriate response. Note
* that this method is started by the class constructor.
*/
public void run() {
try {
Socket socket = ss.accept();
socket.setSoTimeout(60000);
BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
String line = reader.readLine();
if (line != null) {
bot.log("*** Ident request received: " + line);
line = line + " : USERID : UNIX : " + login;
writer.write(line + "\r\n");
writer.flush();
bot.log("*** Ident reply sent: " + line);
writer.close();
}
} catch (Exception e) {
// We're not really concerned with what went wrong, are we?
}
try {
ss.close();
} catch (Exception e) {
// Doesn't really matter...
}
bot.log("*** The Ident server has been shut down.");
}
private boolean _connect() {
try {
trace.trace("client socket is connecting to server :" + this.getPeerAddr());
lastConnectTime = System.currentTimeMillis();
socket = new Socket();
InetSocketAddress ar = new InetSocketAddress(hostIp, hostPort);
socket.setSoTimeout(timeout * 1000);
socket.connect(ar, timeout * 1000);
connectWaitTime = 2;
} catch (ConnectException e) {
log.error(
"Can't connect to:" + hostIp + "@" + hostPort + ",reason=" + e.getLocalizedMessage());
socket = null;
return false;
} catch (Exception e) {
log.error("Can't connect to:" + hostIp + "@" + hostPort);
if (null != socket) {
try {
socket.close();
} catch (Exception e1) {
}
}
socket = null;
return false;
}
log.info("client socket connect to server successfully:" + this.getPeerAddr());
return true;
}
SocketConnection(Socket socket, int buffersize) throws IOException {
this.socket = socket;
socket.setSoTimeout(30000);
socket.setTcpNoDelay(true);
inputstreamWorker = new InputstreamWorker(socket.getInputStream(), buffersize);
outputstreamWorker = new OutputstreamWorker(socket.getOutputStream(), buffersize);
}
public void testRCM() {
try {
Socket s = new Socket("127.0.0.1", port);
OutputStream os = s.getOutputStream();
s.setSoTimeout(10000);
os.write("GET /index.html HTTP/1.0\n".getBytes());
os.write("\n".getBytes());
InputStream is = s.getInputStream();
BufferedReader bis = new BufferedReader(new InputStreamReader(is));
String line = null;
int index;
while ((line = bis.readLine()) != null) {
if (line.startsWith("RCMTest")) {
assertTrue(true);
return;
}
}
} catch (Throwable ex) {
com.sun.grizzly.util.Utils.dumpOut("Unable to connect to: " + port);
ex.printStackTrace();
}
fail("Wrong header response");
}
/** Internal method. Connect to searchd and exchange versions. */
private Socket _Connect() {
if (_socket != null) return _socket;
_connerror = false;
Socket sock = null;
try {
sock = new Socket();
sock.setSoTimeout(_timeout);
InetSocketAddress addr = new InetSocketAddress(_host, _port);
sock.connect(addr, _timeout);
DataInputStream sIn = new DataInputStream(sock.getInputStream());
int version = sIn.readInt();
if (version < 1) {
sock.close();
_error = "expected searchd protocol version 1+, got version " + version;
return null;
}
DataOutputStream sOut = new DataOutputStream(sock.getOutputStream());
sOut.writeInt(VER_MAJOR_PROTO);
} catch (IOException e) {
_error = "connection to " + _host + ":" + _port + " failed: " + e;
_connerror = true;
try {
if (sock != null) sock.close();
} catch (IOException e1) {
}
return null;
}
return sock;
}
@Test
public void testFileTransfer() {
Thread th =
new Thread() {
public void run() {
try {
Socket socket = new ServerSocket(5280).accept();
new RequestThread(socket, new XMLDatabase("profiles.xml")).run();
} catch (IOException e) {
fail("Server threw IO exception: " + e);
}
}
};
th.start();
Socket client = null;
try {
client = new Socket("localhost", server.getPort());
client.setSoTimeout(5000);
PrintStream out = new PrintStream(client.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
final String buffer = XMLDatabase.getFileContents();
final String checksum = Utility.checksum(buffer);
File f = new File("profiles.xml");
if (!f.exists()) {
fail("Requires profiles.xml to execute.");
}
out.println("GETFILE");
out.println(buffer.length());
out.println(checksum);
String reply = in.readLine();
if (!reply.equalsIgnoreCase("OK")) {
fail("Server denied GETFILE request.");
}
Utility.sendData(client, buffer);
reply = in.readLine();
if (!reply.equalsIgnoreCase("OK")) {
fail("File transfer failed. Reply: " + reply);
}
} catch (IOException e) {
fail("Client threw IO exception: " + e);
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
fail("File transfer requires SHA algorithm. Exception: " + e);
} finally {
try {
client.close();
th.interrupt();
} catch (Exception e) {
}
}
}
@Test
public void testMaxIdleWithRequest10() throws Exception {
configureServer(new HelloWorldHandler());
Socket client = newSocket(_serverURI.getHost(), _serverURI.getPort());
client.setSoTimeout(10000);
assertFalse(client.isClosed());
OutputStream os = client.getOutputStream();
InputStream is = client.getInputStream();
os.write(
("GET / HTTP/1.0\r\n"
+ "host: "
+ _serverURI.getHost()
+ ":"
+ _serverURI.getPort()
+ "\r\n"
+ "connection: keep-alive\r\n"
+ "\r\n")
.getBytes("utf-8"));
os.flush();
long start = System.currentTimeMillis();
IO.toString(is);
Thread.sleep(sleepTime);
assertEquals(-1, is.read());
Assert.assertTrue(System.currentTimeMillis() - start > minimumTestRuntime);
Assert.assertTrue(System.currentTimeMillis() - start < maximumTestRuntime);
}
private byte getUserInput() {
byte userInput = 0;
while (sock == null) {
try {
sock = servSock.accept();
sock.setSoTimeout(5);
in = sock.getInputStream();
System.out.println("Client connected");
} catch (SocketTimeoutException e) {
return -1;
} catch (IOException e) {
e.printStackTrace();
sockCleanup();
return -1;
}
}
try {
userInput = (byte) in.read();
if (userInput == -1) {
sockCleanup();
System.out.println("Client disconnect");
return -1;
}
System.out.println("User input " + userInput);
return userInput;
} catch (SocketTimeoutException e) {
return 0;
} catch (IOException e) {
System.out.println("Client error");
e.printStackTrace();
sockCleanup();
return -1;
}
}
@Test
public void testMaxIdleWithWait() throws Exception {
configureServer(new WaitHandler());
Socket client = newSocket(_serverURI.getHost(), _serverURI.getPort());
client.setSoTimeout(10000);
assertFalse(client.isClosed());
OutputStream os = client.getOutputStream();
InputStream is = client.getInputStream();
os.write(
("GET / HTTP/1.0\r\n"
+ "host: "
+ _serverURI.getHost()
+ ":"
+ _serverURI.getPort()
+ "\r\n"
+ "connection: keep-alive\r\n"
+ "Connection: close\r\n"
+ "\r\n")
.getBytes("utf-8"));
os.flush();
String in = IO.toString(is);
int offset = in.indexOf("Hello World");
Assert.assertTrue(offset > 0);
}
/**
* Configures the socket for use
*
* @param sock
* @throws SocketException, IllegalArgumentException if setting the options on the socket failed.
*/
protected void initialiseSocket(Socket sock) throws SocketException, IllegalArgumentException {
if (socketOptions != null) {
IntrospectionSupport.setProperties(socket, socketOptions);
}
try {
sock.setReceiveBufferSize(socketBufferSize);
sock.setSendBufferSize(socketBufferSize);
} catch (SocketException se) {
LOG.warn("Cannot set socket buffer size = " + socketBufferSize);
LOG.debug("Cannot set socket buffer size. Reason: " + se, se);
}
sock.setSoTimeout(soTimeout);
if (keepAlive != null) {
sock.setKeepAlive(keepAlive.booleanValue());
}
if (soLinger > -1) {
sock.setSoLinger(true, soLinger);
} else if (soLinger == -1) {
sock.setSoLinger(false, 0);
}
if (tcpNoDelay != null) {
sock.setTcpNoDelay(tcpNoDelay.booleanValue());
}
if (!this.trafficClassSet) {
this.trafficClassSet = setTrafficClass(sock);
}
}
public static void main(String args[]) throws Exception {
// 为了简单起见，所有的异常都直接往外抛
String host = "127.0.0.1"; // 要连接的服务端IP地址
int port = 8899; // 要连接的服务端对应的监听端口
// 与服务端建立连接
Socket client = new Socket(host, port);
// 建立连接后就可以往服务端写数据了
Writer writer = new OutputStreamWriter(client.getOutputStream(), "UTF-8");
writer.write("hello,server");
writer.write("eof\n");
writer.flush();
// 写完以后进行读操作
BufferedReader br = new BufferedReader(new InputStreamReader(client.getInputStream(), "UTF-8"));
// 设置超时间为10秒
client.setSoTimeout(10 * 1000);
StringBuffer sb = new StringBuffer();
String temp;
int index;
while ((temp = br.readLine()) != null) {
if ((index = temp.indexOf("eof")) != -1) {
sb.append(temp.substring(0, index));
break;
}
sb.append(temp);
}
System.out.println("from server: " + sb);
writer.close();
br.close();
client.close();
}
private String doRequests(
String loopRequests,
int loops,
long pauseBetweenLoops,
long pauseBeforeLast,
String lastRequest)
throws Exception {
Socket socket = new Socket(_host, _port);
socket.setSoTimeout(30000);
for (int i = loops; i-- > 0; ) {
socket.getOutputStream().write(loopRequests.getBytes(StandardCharsets.UTF_8));
socket.getOutputStream().flush();
if (i > 0 && pauseBetweenLoops > 0) Thread.sleep(pauseBetweenLoops);
}
if (pauseBeforeLast > 0) Thread.sleep(pauseBeforeLast);
socket.getOutputStream().write(lastRequest.getBytes(StandardCharsets.UTF_8));
socket.getOutputStream().flush();
String response;
if (loopRequests.contains("/unresponsive")) {
// don't read in anything, forcing the request to time out
Thread.sleep(_requestMaxTime * 2);
response = IO.toString(socket.getInputStream(), StandardCharsets.UTF_8);
} else {
response = IO.toString(socket.getInputStream(), StandardCharsets.UTF_8);
}
socket.close();
return response;
}
private void executeCommand(Socket client) {
try {
try {
client.setSoTimeout(30000);
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
PrintStream out = new PrintStream(client.getOutputStream());
System.out.println("I/O setup done");
String line = in.readLine();
while (in.ready() && line != null) {
System.out.println(line);
line = in.readLine();
}
System.out.println(line);
File file = new File("index.html");
System.out.println(file.getName() + " requested.");
sendFile(out, file);
out.flush();
out.close();
in.close();
} finally {
client.close();
System.out.println("A connection is closed.");
}
} catch (Exception exception) {
exception.printStackTrace();
}
}