Example usage for io.netty.buffer ByteBuf getByte

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf getByte.

Prototype

public abstract byte getByte(int index);

Source Link

Document

Gets a byte at the specified absolute index in this buffer.

Usage

From source file:com.twitter.http2.HttpCodecUtil.java

License:Apache License

/**
 * Reads a big-endian unsigned medium integer from the buffer.
 *///from   w w  w .  j  av  a 2s . co  m
static int getUnsignedMedium(ByteBuf buf, int offset) {
    return (buf.getByte(offset) & 0xFF) << 16 | (buf.getByte(offset + 1) & 0xFF) << 8
            | buf.getByte(offset + 2) & 0xFF;
}

From source file:com.twitter.http2.HttpCodecUtil.java

License:Apache License

/**
 * Reads a big-endian (31-bit) integer from the buffer.
 *//* w w w  . ja v  a  2 s.  c  o  m*/
static int getUnsignedInt(ByteBuf buf, int offset) {
    return (buf.getByte(offset) & 0x7F) << 24 | (buf.getByte(offset + 1) & 0xFF) << 16
            | (buf.getByte(offset + 2) & 0xFF) << 8 | buf.getByte(offset + 3) & 0xFF;
}

From source file:com.twitter.http2.HttpCodecUtil.java

License:Apache License

/**
 * Reads a big-endian signed integer from the buffer.
 *//*from  w  ww.jav a  2  s .co m*/
static int getSignedInt(ByteBuf buf, int offset) {
    return (buf.getByte(offset) & 0xFF) << 24 | (buf.getByte(offset + 1) & 0xFF) << 16
            | (buf.getByte(offset + 2) & 0xFF) << 8 | buf.getByte(offset + 3) & 0xFF;
}

From source file:com.twitter.http2.HttpCodecUtil.java

License:Apache License

/**
 * Reads a big-endian signed long from the buffer.
 *//*  w ww  .  j  a v a 2 s  .  c o m*/
static long getSignedLong(ByteBuf buf, int offset) {
    return ((long) buf.getByte(offset) & 0xFF) << 56 | ((long) buf.getByte(offset + 1) & 0xFF) << 48
            | ((long) buf.getByte(offset + 2) & 0xFF) << 40 | ((long) buf.getByte(offset + 3) & 0xFF) << 32
            | ((long) buf.getByte(offset + 4) & 0xFF) << 24 | ((long) buf.getByte(offset + 5) & 0xFF) << 16
            | ((long) buf.getByte(offset + 6) & 0xFF) << 8 | (long) buf.getByte(offset + 7) & 0xFF;
}

From source file:com.twitter.http2.HttpFrameDecoder.java

License:Apache License

/**
 * Reads the HTTP/2 Frame Header and sets the length, type, flags, and streamId member variables.
 *
 * @param buffer input buffer containing the entire 9-octet header
 *///from  w ww.  j av a2s  .  c o m
private void readFrameHeader(ByteBuf buffer) {
    int frameOffset = buffer.readerIndex();
    length = getUnsignedMedium(buffer, frameOffset);
    type = buffer.getUnsignedByte(frameOffset + 3);
    flags = buffer.getByte(frameOffset + 4);
    streamId = getUnsignedInt(buffer, frameOffset + 5);
    buffer.skipBytes(HTTP_FRAME_HEADER_SIZE);
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

private static void assertDataFrame(ByteBuf frame, int streamId, boolean last, ByteBuf data) {
    byte type = 0x00;
    byte flags = 0x00;
    if (last) {//from w w w  .j a v a  2 s .  c  o  m
        flags |= 0x01;
    }
    int length = assertFrameHeader(frame, type, flags, streamId);
    assertEquals(data.readableBytes(), length);
    for (int i = 0; i < length; i++) {
        assertEquals(data.getByte(i), frame.readByte());
    }
    assertFalse(frame.isReadable());
}

From source file:com.uber.tchannel.messages.RequestFormatTest.java

License:Open Source License

@Test
public void testThriftHeader() throws Exception {
    ThriftRequest<Example> request = new ThriftRequest.Builder<Example>("keyvalue-service",
            "KeyValue::setValue").build();
    ByteBuf arg2 = request.getArg2();
    assertEquals(2, arg2.readableBytes());
    assertEquals(0, arg2.getByte(0));
    assertEquals(0, arg2.getByte(1));/*  w w w .j ava  2s .  c o m*/
    request.release();
}

From source file:com.uber.tchannel.messages.RequestFormatTest.java

License:Open Source License

@Test
public void testJsonHeader() throws Exception {
    JsonRequest<Example> request = new JsonRequest.Builder<Example>("keyvalue-service", "KeyValue::setValue")
            .build();/*  w  ww  .  j  ava  2 s .com*/
    ByteBuf arg2 = request.getArg2();
    assertEquals(2, arg2.readableBytes());

    // "{}"
    assertEquals(0x7b, arg2.getByte(0));
    assertEquals(0x7d, arg2.getByte(1));
    request.release();
}

From source file:com.whizzosoftware.foscam.camera.protocol.OrderTest.java

License:Open Source License

@Test
public void testToBytes() {
    Order order = new Order((byte) 1, "TEST".getBytes());
    ByteBuf b = order.toByteBuf();

    assertEquals(27, b.readableBytes());

    // assert the "camera operate protocol" header
    assertEquals('M', b.getByte(0));
    assertEquals('O', b.getByte(1));
    assertEquals('_', b.getByte(2));
    assertEquals('I', b.getByte(3));

    // assert all the reserve bytes
    assertEquals((byte) 1, b.getByte(4));
    for (int i = 5; i < 15; i++) {
        assertEquals(0, b.getByte(i));//from  www  .j a v a  2s. co  m
    }

    // assert the text length
    assertEquals(4, b.getByte(15));
    assertEquals(0, b.getByte(16));
    assertEquals(0, b.getByte(17));
    assertEquals(0, b.getByte(18));

    // assert more reserve bytes
    for (int i = 19; i < 23; i++) {
        assertEquals(0, b.getByte(i));
    }

    assertEquals('T', b.getByte(23));
    assertEquals('E', b.getByte(24));
    assertEquals('S', b.getByte(25));
    assertEquals('T', b.getByte(26));
}

From source file:com.whizzosoftware.foscam.camera.protocol.OrderTest.java

License:Open Source License

@Test
public void testToBytesLong() {
    // build 1024 length byte array
    byte b[] = new byte[65535];
    for (int i = 0; i < 65535; i++) {
        b[i] = '*';
    }//  ww w  .j av  a 2s  .c  o m

    Order order = new Order((byte) 1, b);
    ByteBuf buf = order.toByteBuf();

    // assert the "camera operate protocol" header
    assertEquals('M', buf.getByte(0));
    assertEquals('O', buf.getByte(1));
    assertEquals('_', buf.getByte(2));
    assertEquals('I', buf.getByte(3));

    // assert all the reserve bytes
    assertEquals((byte) 1, buf.getByte(4));
    for (int i = 5; i < 15; i++) {
        assertEquals(0, buf.getByte(i));
    }

    // assert the text length
    assertEquals((byte) 0xFF, buf.getByte(15));
    assertEquals((byte) 0xFF, buf.getByte(16));
    assertEquals((byte) 0x00, buf.getByte(17));
    assertEquals((byte) 0x00, buf.getByte(18));

    // assert more reserve bytes
    for (int i = 19; i < 23; i++) {
        assertEquals(0, buf.getByte(i));
    }

    for (int i = 23; i < 65535 + 23; i++) {
        assertEquals('*', buf.getByte(i));
    }
}