Example usage for java.net MulticastSocket joinGroup

Introduction

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

Prototype

public void joinGroup(InetAddress mcastaddr) throws IOException 

Source Link

Document

Joins a multicast group.

Usage

From source file:MainClass.java

public static void main(String[] args) throws Exception {

    int port = 0;
    byte ttl = (byte) 1;

    InetAddress ia = InetAddress.getByName("127.0.0.1");

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    MulticastSocket ms = new MulticastSocket();
    ms.joinGroup(ia);
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);//from w  w  w . j a v  a 2  s .  c om
    }
    ms.leaveGroup(ia);
    ms.close();
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    int port = 0;
    InetAddress group = InetAddress.getByName("127.0.0.1");

    MulticastSocket ms = new MulticastSocket(port);
    ms.joinGroup(group);

    byte[] buffer = new byte[8192];
    while (true) {
        DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
        ms.receive(dp);/*from ww  w. ja va 2  s .  c o  m*/
        String s = new String(dp.getData());
        System.out.println(s);
    }
    // ms.leaveGroup(group);
    // ms.close();

}

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From source file:Main.java

public static void main(String[] args) throws Exception {

    int port = 0;
    byte ttl = (byte) 1;

    InetAddress ia = InetAddress.getByName("127.0.0.1");

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    MulticastSocket ms = new MulticastSocket();
    ms.joinGroup(ia);
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);//  w w  w.j a  v  a  2s .c o m
    }
    ms.leaveGroup(ia);

    ia = ms.getInterface();
    System.out.println(ia);

    ms.close();
}

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From source file:Main.java

public static void main(String[] args) throws Exception {

    int port = 0;
    byte ttl = (byte) 1;

    InetAddress ia = InetAddress.getByName("127.0.0.1");

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    MulticastSocket ms = new MulticastSocket(8080);
    ms.joinGroup(ia);
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);/*w  w w . j ava  2s  .c  om*/
    }
    ms.leaveGroup(ia);

    ia = ms.getInterface();
    System.out.println(ia);

    ms.close();
}

---

From source file:MulticastSniffer.java

public static void main(String[] args) {

    InetAddress ia = null;//from w w w .  ja  v  a2 s.  c o m
    byte[] buffer = new byte[65509];
    DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
    int port = 0;

    try {
        try {
            ia = InetAddress.getByName(args[0]);
        } catch (UnknownHostException e) {
            //
        }
        port = Integer.parseInt(args[1]);
    } // end try
    catch (Exception e) {
        System.err.println(e);
        System.err.println("Usage: java MulticastSniffer MulticastAddress port");
        System.exit(1);
    }

    try {
        MulticastSocket ms = new MulticastSocket(port);
        ms.joinGroup(ia);
        while (true) {
            ms.receive(dp);
            String s = new String(dp.getData(), 0, 0, dp.getLength());
            System.out.println(s);
        }
    } catch (SocketException se) {
        System.err.println(se);
    } catch (IOException ie) {
        System.err.println(ie);
    }

}

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From source file:MulticastSender.java

public static void main(String[] args) {

    InetAddress ia = null;/*from   w w  w . ja v  a  2s .c o m*/
    int port = 0;
    String characters = "Here's some multicast data\n";
    byte[] data = new byte[characters.length()];

    // read the address from the command line
    try {
        try {
            ia = InetAddress.getByName(args[0]);
        } catch (UnknownHostException e) {
            //ia = InetAddressFactory.newInetAddress(args[0]);
        }
        port = Integer.parseInt(args[1]);
    } catch (Exception e) {
        System.err.println(e);
        System.err.println("Usage: java MulticastSender MulticastAddress port");
        System.exit(1);
    }

    characters.getBytes(0, characters.length(), data, 0);
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    try {
        MulticastSocket ms = new MulticastSocket();
        ms.joinGroup(ia);
        for (int i = 1; i < 10; i++) {
            ms.send(dp, (byte) 1);
        }
        ms.leaveGroup(ia);
        ms.close();
    } catch (SocketException se) {
        System.err.println(se);
    } catch (IOException ie) {
        System.err.println(ie);
    }

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String groupName = "groupName";
    int port = 1024;
    MulticastSocket msocket = new MulticastSocket(port);
    InetAddress group = InetAddress.getByName(groupName);
    msocket.joinGroup(group);

}

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From source file:MulticastSniffer.java

public static void main(String[] args) {
    InetAddress ia = null;//w  ww  . java 2  s .co m
    byte[] buffer = new byte[65535];
    DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
    int port = 0;

    // read the address from the command line
    try {
        try {
            ia = InetAddress.getByName(args[0]);
        } catch (UnknownHostException e) {
            System.err.println(e);
        }
        port = Integer.parseInt(args[1]);
    } catch (Exception e) {
        System.err.println(e);
        System.err.println("Usage: java MulticastSniffer mcast-addr port");
        System.exit(1);
    }
    System.out.println("About to join " + ia);

    try {
        MulticastSocket ms = new MulticastSocket(port);
        ms.joinGroup(ia);
        while (true) {
            System.out.println("About to receive...");
            ms.receive(dp);
            String s = new String(dp.getData(), 0, 0, dp.getLength());
            System.out.println(s);
        }
    } catch (SocketException se) {
        System.err.println(se);
    } catch (IOException ie) {
        System.err.println(ie);
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {

    int port = 0;
    byte ttl = (byte) 1;

    InetAddress ia = InetAddress.getByName("127.0.0.1");

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("java2s.com", 8080));
    ms.joinGroup(ia);
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);/* w w  w.j a va 2  s  . co m*/
    }
    ms.leaveGroup(ia);

    System.out.println(ms.getTimeToLive());

    ms.close();
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {

    int port = 0;
    byte ttl = (byte) 1;

    InetAddress ia = InetAddress.getByName("127.0.0.1");

    byte[] data = "Here's some multicast data\r\n".getBytes();
    DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);

    MulticastSocket ms = new MulticastSocket(InetSocketAddress.createUnresolved("java2s.com", 8080));
    ms.joinGroup(ia);
    for (int i = 1; i < 10; i++) {
        ms.send(dp, ttl);/*from  ww  w.ja v  a2 s. c  om*/
    }
    ms.leaveGroup(ia);

    System.out.println(ms.getLoopbackMode());

    ms.close();
}

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