Examples of etch.util.FlexBuffer

etch.util.FlexBuffer
A FlexBuffer wraps a byte array and manages the active region of it (0..length). It also supports dynamically extending the buffer as needed. A FlexBuffer also has an index (read or write cursor). The various get and put operations always occur at the current index, with the index adjusted appropriately afterward. Get will not move index past length. If put needs to move index past length, length is also adjusted. This may cause the byte array to be re-allocated to a larger size.

  /** @throws Exception */
  @Test
  public void doubleSingle_HeaderSplit_Data1() throws Exception
  {
    // length = 1
    FlexBuffer buf = new FlexBuffer( new byte[]
    {
      // packet 1 header (partial):
      -34, -83, -66, -17, 0, 0
    } );


    p.sessionData( who, buf );


    assertNull( session.what );
    assertTrue( session.check( null ) );
    assertNull( session.sender );


    FlexBuffer buf2 = new FlexBuffer( new byte[]
    {
      // packet 1 header (remainder):
        0, 1,
        // packet 1 data:
        1,

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  /** @throws Exception */
  @Test
  public void doubleSingle_HeaderSplit_Data2() throws Exception
  {
    // length = 2
    FlexBuffer buf = new FlexBuffer( new byte[]
    {
      -34, -83, -66, -17, 0, 0
    } );


    p.sessionData( who, buf );


    assertNull( session.what );
    assertTrue( session.check( null ) );
    assertNull( session.sender );


    FlexBuffer buf2 = new FlexBuffer( new byte[]
    {
        0, 2, 3, 4, -34, -83, -66, -17, 0, 0, 0, 2, 5, 6
    } );
    byte[][] result2 = new byte[][]
    {

View Full Code Here

  /** @throws Exception */
  @Test
  public void doubleSingle_BodySplit_Data2() throws Exception
  {
    // length = 2
    FlexBuffer buf = new FlexBuffer( new byte[]
    {
      -34, -83, -66, -17, 0, 0, 0, 2, 1
    } );


    p.sessionData( who, buf );


    assertNull( session.what );
    assertTrue( session.check( null ) );
    assertNull( session.sender );


    FlexBuffer buf2 = new FlexBuffer( new byte[]
    {
        2, -34, -83, -66, -17, 0, 0, 0, 2, 3, 4
    } );
    byte[][] result2 = new byte[][]
    {

View Full Code Here

  /** @throws Exception */
  @Test
  public void doubleSingle_BodySplit_Data3() throws Exception
  {
    // length = 3
    FlexBuffer buf = new FlexBuffer( new byte[]
    {
      -34, -83, -66, -17, 0, 0, 0, 3, 5, 6
    } );


    p.sessionData( who, buf );


    assertNull( session.what );
    assertTrue( session.check( null ) );
    assertNull( session.sender );


    FlexBuffer buf2 = new FlexBuffer( new byte[]
    {
        7, -34, -83, -66, -17, 0, 0, 0, 3, 8, 9, 10
    } );
    byte[][] result2 = new byte[][]
    {

View Full Code Here

    final InputStream is = inputStream;
    if (is == null)
      throw new IOException( "socket closed" );
    
    // TODO allow setting input buffer size.
    final FlexBuffer buf = new FlexBuffer( new byte[8192] );
    
    try
    {
      while (isStarted())
      {
//        System.out.println( "reading" );
        int n = is.read( buf.getBuf() );
//        System.out.println( "read "+n );
        
        if (n <= 0)
          break;
        
        buf.setLength( n );
        buf.setIndex( 0 );
        fireData( buf );
      }
    }
    catch ( SocketException e )
    {

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  @Override
  protected void readSocket() throws Exception
  {
    final DatagramSocket s = checkSocket();
    // TODO allow buffer size to be specified.
    final FlexBuffer buf = new FlexBuffer( new byte[8192] );
    final DatagramPacket p = new DatagramPacket( new byte[0], 0 );
    
    try
    {
      while (isStarted())
      {
        p.setData( buf.getBuf() );
        
        s.receive( p );
        
        buf.setIndex( 0 );
        buf.setLength( p.getLength() );
        
        if (s.isConnected())
          session.sessionPacket( null, buf );
        else
          session.sessionPacket( getWho( p.getAddress(), p.getPort() ), buf );

View Full Code Here

    final InputStream is = inputStream;
    if (is == null)
      throw new IOException( "socket closed" );
    
    // TODO allow setting input buffer size.
    final FlexBuffer buf = new FlexBuffer( new byte[8192] );
    
    try
    {
      while (isStarted())
      {
//        System.out.println( "reading" );
        int n = is.read( buf.getBuf() );
//        System.out.println( "read "+n );
        
        if (n <= 0)
          break;
        
        buf.setLength( n );
        buf.setIndex( 0 );
        fireData( buf );
      }
    }
    catch ( SSLHandshakeException ex )
    {

View Full Code Here

    
    assertWhat( What.UP, dh.what );
    assertNull( dh.xsender );
    assertNull( dh.xbuf );
    
    c.transportData( null, new FlexBuffer( new byte[] { 21, 22, 23 } ) );
//    c.flush();
    
    assertEquals( 21, read( t ) );
    assertEquals( 22, read( t ) );
    assertEquals( 23, read( t ) );

View Full Code Here

  @Test @Ignore
  public void blah() throws Exception
  {
    assertEquals( What.UP, aph.what );
    assertEquals( What.UP, bph.what );
    FlexBuffer buf = new FlexBuffer();
    buf.put( 1 );
    buf.put( 2 );
    buf.put( 3 );
    buf.put( 4 );
    buf.put( 5 );
    buf.setIndex( 0 );
    ac.transportPacket( null, buf );
    Thread.sleep( 500 );
    assertEquals( What.PACKET, bph.what );
    assertNotNull( bph.xsender );
    assertNotSame( buf, bph.xbuf );

View Full Code Here

    
    assertWhat( What.UP, dh.what );
    assertNull( dh.xsender );
    assertNull( dh.xbuf );
    
    c.transportData( null, new FlexBuffer( new byte[] { 21, 22, 23 } ) );
    c.flush();
    
    InputStream is = t.getInputStream();
    assertEquals( 21, is.read() );
    assertEquals( 22, is.read() );

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