Example usage for java.net ServerSocket ServerSocket

Introduction

In this page you can find the example usage for java.net ServerSocket ServerSocket.

Prototype

public ServerSocket(int port) throws IOException 

Source Link

Document

Creates a server socket, bound to the specified port.

Usage

From source file:ca.uhn.hunit.example.MllpHl7v2MessageSwapper.java

@Override
public void run() {
    Socket socket = null;/*w  ww.  j  a v  a 2  s  .c om*/

    try {
        if (myPrintOutput) {
            System.out.println("Opening server socket on port " + 10201);
        }

        ServerSocket serverSocket = new ServerSocket(10201);

        socket = serverSocket.accept();

        InputStream inputStream = socket.getInputStream();
        inputStream = new BufferedInputStream(inputStream);

        MinLLPReader minLLPReader = new MinLLPReader(inputStream);

        Socket outSocket = null;

        if (myPrintOutput) {
            System.out.println("Accepting connection from " + socket.getInetAddress().getHostAddress());
        }

        for (int i = 0; i < myIterations; i++) {
            String messageText;

            do {
                messageText = minLLPReader.getMessage();
                Thread.sleep(250);
            } while (messageText == null);

            if (myPrintOutput) {
                System.out.println("Received message:\r\n" + messageText + "\r\n");
            }

            MSH inboundHeader = (MSH) myParser.parse(messageText).get("MSH");
            String controlId = inboundHeader.getMessageControlID().encode();
            if (StringUtils.isNotBlank(controlId) && myControlIdsToIgnore.indexOf(controlId) > -1) {
                Message replyAck = DefaultApplication.makeACK(inboundHeader);
                new MinLLPWriter(socket.getOutputStream()).writeMessage(myParser.encode(replyAck));
            } else {
                System.out.println("Ignoring message with control ID " + controlId);
            }

            for (Map.Entry<String, String> next : mySubstitutions.entrySet()) {
                messageText = messageText.replace(next.getKey(), next.getValue());
            }

            if ((outSocket != null) && myAlwaysCreateNewOutboundConnection) {
                outSocket.close();
                outSocket = null;
            }

            if (outSocket == null) {
                if (myPrintOutput) {
                    System.out.println("Opening outbound connection to port " + 10200);
                }

                outSocket = new Socket();
                outSocket.connect(new InetSocketAddress("localhost", 10200));
            }

            if (myPrintOutput) {
                System.out.println("Sending message from port " + outSocket.getLocalPort() + ":\r\n"
                        + messageText + "\r\n");
            }

            new MinLLPWriter(outSocket.getOutputStream()).writeMessage(messageText);
            new MinLLPReader(outSocket.getInputStream()).getMessage();
        }

        serverSocket.close();
        socket.close();

        myStopped = true;

    } catch (Exception e) {
        myStopped = true;
        e.printStackTrace();
    }
}

---

From source file:TalkServerThread.java

public void start() {
    ServerSocket serverRSocket = null;
    int numConnected = 0;

    try {// w ww  .  jav a2  s.com
        serverRSocket = new ServerSocket(0);
        System.out.println("TalkServer listening on rendezvous port: "
                           + serverRSocket.getLocalPort());
    } catch (IOException e) {
        System.err.println("Server could not create server socket for rendezvous.");
        return;
    }

    while (true) {

        //Connect to two clients.
        while (numConnected < 2) {
            TalkServerThread tst;
            tst = connectToClient(serverRSocket);
            if (tst != null) {
                numConnected++;
                if (tstList[0] == null) {
                    tstList[0] = tst;
                } else {
                    tstList[1] = tst;
                }
            }
        } //end while (numConnected < 2) loop

        if (DEBUG) {
            try {
                System.out.println("tst #0 = " + tstList[0]);
            } catch (Exception e) {}
            try {
                System.out.println("tst #1 = " + tstList[1]);
            } catch (Exception e) {}
        }

        //If they're really OK, tell them to start writing.
        if (everythingIsOK(0) & everythingIsOK(1)) {
            for (int i = 0; i < 2; i++) {
                writeToStream("START WRITING!\n----------------------"
                              + "-------------", tstList[i].os);
            }
        } else {
            System.err.println("2 server threads created, but "
                               + "not everything is OK");
        }

        while (numConnected == 2) {
            if (!everythingIsOK(0)) {
                if (DEBUG) {
                    System.out.println("Applet #0 is hosed; disconnecting.");
                }
                numConnected--;
                cleanup(tstList[0]);
                tstList[0] = null;
            }
            if (!everythingIsOK(1)) {
                if (DEBUG) {
                    System.out.println("Applet #1 is hosed; disconnecting.");
                }
                numConnected--;
                cleanup(tstList[1]);
                tstList[1] = null;
            }
                   try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
            } 
        } //end while(numConnected==2) loop

        if (DEBUG) {
            try {
                System.out.println("Number of connections = " + numConnected);
                System.out.println("tst #0 = " + tstList[0]);
                System.out.println("tst #1 = " + tstList[1]);
            } catch (Exception e) {}
        }

    } //end while (true) loop
}

---

From source file:net.sourceforge.cobertura.test.util.WebappServer.java

public WebappServer(File webappServerDir, boolean tomcat) {
    this.tomcat = tomcat;
    ServerSocket s;/*from www. ja va 2 s.c  o  m*/
    try {
        s = new ServerSocket(0);
        webappPort = s.getLocalPort();
        s.close();

        s = new ServerSocket(0);
        stopPort = s.getLocalPort();
        s.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:org.opendaylight.groupbasedpolicy.renderer.opflex.lib.OpflexConnectionServiceTest.java

private ServerSocket create(int[] ports) throws IOException {
    for (int port : ports) {
        try {//from  w  w w .  jav  a2  s.c om
            return new ServerSocket(port);
        } catch (IOException ex) {
            continue; // try next port
        }
    }

    // if the program gets here, no port in the range was found
    throw new IOException("no free port found");
}

---

From source file:com.splout.db.engine.EmbeddedMySQL.java

/**
 * TODO MySQL Hangs if port is busy, we should perform a timeout in a separate thred.
 *///from  w  ww  .ja  v a  2s  .  co  m
@SuppressWarnings({ "unchecked", "rawtypes" })
public void start(boolean deleteFilesIfExist) throws IOException, InterruptedException {
    if (deleteFilesIfExist && config.residentFolder.exists()) {
        File pidFile = new File(config.residentFolder, "data/MysqldResource.pid");
        if (pidFile.exists()) {
            // Issue "kill -9" if process is still alive
            String pid = Files.toString(pidFile, Charset.defaultCharset());
            log.info("Killing existing process: " + pid);
            Runtime.getRuntime().exec("kill -9 " + pid).waitFor();
        }
        log.info("Deleting contents of: " + config.residentFolder);
        FileUtils.deleteDirectory(config.residentFolder);
    }
    log.info("Using config: " + config);
    MysqldResource mysqldResource = new MysqldResource(config.residentFolder);
    Map<String, String> database_options = new HashMap();
    database_options.put(MysqldResourceI.PORT, Integer.toString(config.port));
    database_options.put(MysqldResourceI.INITIALIZE_USER, "true");
    database_options.put(MysqldResourceI.INITIALIZE_USER_NAME, config.user);
    database_options.put(MysqldResourceI.INITIALIZE_PASSWORD, config.pass);
    database_options.put("innodb-file-per-table", "true");

    if (config.customConfig != null) {
        for (Map.Entry<String, Object> entry : config.customConfig.entrySet()) {
            database_options.put(entry.getKey(), entry.getValue().toString());
        }
    }

    log.info("Using the following MySQL Configuration:");
    for (Map.Entry<String, String> entry : database_options.entrySet()) {
        log.info("MySQLConf: " + entry.getKey() + " -> " + entry.getValue());
    }
    // I have to do this checking myself, otherwise in some cases mysqldResource will block undefinitely...
    try {
        ServerSocket serverSocket = new ServerSocket(config.port);
        serverSocket.close();
    } catch (IOException e) {
        throw new RuntimeException("Port already in use: " + config.port);
    }
    if (mysqldResource.isRunning()) {
        throw new RuntimeException("MySQL already running!");
    }
    mysqldResource.start("test-mysqld-thread", database_options);
    if (!mysqldResource.isRunning()) {
        throw new RuntimeException("MySQL did not start successfully!");
    }
    log.info("MySQL is running.");
    resource = mysqldResource;
}

---

From source file:grakn.core.rule.GraknTestServer.java

protected static int findUnusedLocalPort() throws IOException {
    try (ServerSocket serverSocket = new ServerSocket(0)) {
        return serverSocket.getLocalPort();
    }//w  w  w  .  java  2 s . c o  m
}

---

From source file:de.uni_koblenz.jgralab.utilities.tgraphbrowser.TGraphBrowserServer.java

public TGraphBrowserServer(int port, String path, String maximumFileSize, String maximumWorkspaceSize)
        throws IOException {
    if (path == null) {
        throw new IllegalArgumentException("path must not be null");
    }/*from w ww . j a  v a2s .  c  om*/
    workspace = path;
    if ((path != null) && (workspace.startsWith("\"") || workspace.startsWith("'"))) {
        workspace = workspace.substring(1, workspace.length() - 1);
    }
    StateRepository.MAXIMUM_FILE_SIZE = maximumFileSize == null ? null
            : Long.parseLong(maximumFileSize) * 1024 * 1024;
    File ws = new File(workspace);
    StateRepository.MAXIMUM_WORKSPACE_SIZE = maximumWorkspaceSize == null
            ? ws.getFreeSpace() + ws.getTotalSpace()
            : Long.parseLong(maximumWorkspaceSize) * 1024 * 1024;
    _serverSocket = new ServerSocket(port);
}

---

From source file:com.opentable.db.postgres.embedded.EmbeddedPostgres.java

private static int detectPort() throws IOException {
    try (final ServerSocket socket = new ServerSocket(0)) {
        return socket.getLocalPort();
    }//from ww  w . ja  v  a2 s. co  m
}

---

From source file:io.mesosphere.mesos.frameworks.cassandra.scheduler.api.AbstractApiControllerTest.java

@Before
public void cleanState() {
    super.cleanState();

    try {/*from   www .  j a v  a2s  .  c  om*/
        try (ServerSocket sock = new ServerSocket(0)) {
            httpServerBaseUri = URI.create(String.format("http://%s:%d/",
                    InetAddressUtils.formatInetAddress(InetAddress.getLoopbackAddress()), sock.getLocalPort()));
        }

        final ResourceConfig rc = new ResourceConfig().registerInstances(Sets.newHashSet(
                new ApiController(factory), new ClusterCleanupController(cluster, factory),
                new ClusterRepairController(cluster, factory),
                new ClusterRollingRestartController(cluster, factory),
                new ClusterBackupController(cluster, factory), new ClusterRestoreController(cluster, factory),
                new ConfigController(cluster, factory), new LiveEndpointsController(cluster, factory),
                new NodeController(cluster, factory), new QaReportController(cluster, factory)));
        httpServer = GrizzlyHttpServerFactory.createHttpServer(httpServerBaseUri, rc);
        httpServer.start();

    } catch (final Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.opentable.etcd.EtcdInstance.java

private static int findPort(int configuredPort) throws IOException {
    if (configuredPort != 0) {
        return configuredPort;
    }/*from   w  w w . j  a  v  a 2s.  co  m*/
    try (ServerSocket socket = new ServerSocket(0)) {
        return socket.getLocalPort();
    }
}

---

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