Examples of java.net.Socket

java.net.Socket
This class implements client sockets (also called just "sockets"). A socket is an endpoint for communication between two machines.
The actual work of the socket is performed by an instance of the SocketImpl class. An application, by changing the socket factory that creates the socket implementation, can configure itself to create sockets appropriate to the local firewall. @author unascribed @version 1.115, 09/05/07 @see java.net.Socket#setSocketImplFactory(java.net.SocketImplFactory) @see java.net.SocketImpl @see java.nio.channels.SocketChannel @since JDK1.0

      }
    }
    StringTokenizer st = new StringTokenizer(
        ((AntivirusClamAVStream) getServer()).result);
    st.nextToken();
    socket = new Socket(host, Integer.parseInt(st.nextToken()));
    ((AntivirusClamAVStream) getServer()).result = null;
    socket.setSoTimeout(timeout);
    return socket.getOutputStream();
  }

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        }
        test(connect, port, file);
    }


    private static void test(String connect, int port, boolean file) throws Exception {
        Socket socket = new Socket(connect, port);
        DataOutputStream out = new DataOutputStream(socket.getOutputStream());
        System.out.println("Connected to " + socket.toString());
        if (file) {
            testFile(out);
        } else {
            testDatabases(out);
        }

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        ServerSocket serverSocket = new ServerSocket(port);
        System.out.println("Listening on " + serverSocket.toString());
        long time;
        maxValue = 0;
        while (true) {
            Socket socket = serverSocket.accept();
            DataInputStream in = new DataInputStream(socket.getInputStream());
            System.out.println("Connected");
            time = System.currentTimeMillis();
            try {
                while (true) {
                    int value = in.readInt();

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    super.head(command, type, address, port);
    switch (command) {
    case 1:
      byte[] a;
      try {
        socket = new Socket(type == 3 ? InetAddress
            .getByName(new String(address)) : InetAddress
            .getByAddress(address), port);
        socket
            .setSoTimeout(((SwitchService) connection.element).timeout);
        outputstream = new BufferedOutputStream(socket

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          s = "localhost";
        else
          s = s.substring(0, i);
      }
      try {
        return new Socket(s, port);
      } catch (IOException e) {
      }
    }
    throw new IOException("Could not connect to any SMTP server");
  }

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            return;
        }
        boolean running = false;
        String id = prop.getProperty("id");
        try {
            Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, false);
            Transfer transfer = new Transfer(null);
            transfer.setSocket(socket);
            transfer.init();
            transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
            transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_9);
            transfer.writeString(null);
            transfer.writeString(null);
            transfer.writeString(id);
            transfer.writeInt(SessionRemote.SESSION_CHECK_KEY);
            transfer.flush();
            int state = transfer.readInt();
            if (state == SessionRemote.STATUS_OK) {
                running = true;
            }
            transfer.close();
            socket.close();
        } catch (IOException e) {
            return;
        }
        if (running) {
            DbException e = DbException.get(ErrorCode.DATABASE_ALREADY_OPEN_1, "Server is running");

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            } catch (UnknownHostException e) {
                throw getExceptionFatal("Unknown host " + ip, e);
            }
            for (int i = 0; i < 3; i++) {
                try {
                    Socket s = new Socket(address, portId);
                    s.close();
                    throw getExceptionAlreadyInUse("Locked by another process");
                } catch (BindException e) {
                    throw getExceptionFatal("Bind Exception", null);
                } catch (ConnectException e) {
                    trace.debug(e, "socket not connected to port " + port);

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                }
            }
            while (serverSocket != null) {
                try {
                    trace.debug("watchdog accept");
                    Socket s = serverSocket.accept();
                    s.close();
                } catch (Exception e) {
                    trace.debug(e, "watchdog");
                }
            }
        } catch (Exception e) {

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        System.exit(1);
      }


      final ConnectionInfo ci = new ConnectionInfo(url);
      System.out.println("Connecting to: " + ci.getHost() + ":" + ci.getPort());
      final Socket socket = new Socket(ci.getHost(), ci.getPort());
      final OutputStream out = socket.getOutputStream();
      final StringBuffer b = new StringBuffer();
      b.append(method.toUpperCase());
      b.append(" ");
      b.append(ci.getUri());
      b.append(" HTTP/1.0\n");
      b.append("\n");
      System.out.println(b.toString());
      out.write(b.toString().getBytes());


      final InputStream in = socket.getInputStream();
      final BufferedReader reader = new BufferedReader(new InputStreamReader(in));
      String line = reader.readLine();
      while (line != null)
      {
        System.out.println(line);

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    }


    public void run() {
        try {
            while( true ) {
                Socket client = socket.accept();
                Properties config = new ChainableProperties( server.getConfig() );
                Runnable runnable = createRunnable(client, config);
                if ( resolveHostName ) {
                    // after resolving, the host name appears Socket.toString.
                    InetAddress clientAddress = client.getInetAddress();
                    clientAddress.getHostName();
                }
                if( log.isLoggable( Level.INFO ) ) {
                    log.info( "Connection from: " + client.toString() );
                }
                server.post( runnable );
            }
        } catch (IOException e) {
            log.log( Level.SEVERE, "IOException ignored", e );

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