Example usage for io.netty.buffer ByteBuf readInt

Introduction

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

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

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

License:Apache License

private static void assertHeadersFrame(ByteBuf frame, int streamId, boolean exclusive, int dependency,
        int weight, boolean last, ByteBuf headerBlock) {
    boolean hasPriority = exclusive || dependency != HTTP_DEFAULT_DEPENDENCY || weight != HTTP_DEFAULT_WEIGHT;
    int maxLength = hasPriority ? HTTP_MAX_LENGTH - 5 : HTTP_MAX_LENGTH;
    byte type = 0x01;
    byte flags = 0x00;
    if (last) {/*from w ww  .  j  a va 2s .c o  m*/
        flags |= 0x01;
    }
    if (headerBlock.readableBytes() <= maxLength) {
        flags |= 0x04;
    }
    if (hasPriority) {
        flags |= 0x20;
    }
    int length = assertFrameHeader(frame, type, flags, streamId);
    if (hasPriority) {
        assertTrue(length >= 5);
        if (exclusive) {
            assertEquals(dependency | 0x80000000, frame.readInt());
        } else {
            assertEquals(dependency, frame.readInt());
        }
        assertEquals(weight - 1, frame.readUnsignedByte());
        length -= 5;
    }
    assertTrue(length <= headerBlock.readableBytes());
    for (int i = 0; i < length; i++) {
        assertEquals(headerBlock.readByte(), frame.readByte());
    }
    while (headerBlock.isReadable()) {
        type = 0x09;
        flags = 0x00;
        if (headerBlock.readableBytes() <= HTTP_MAX_LENGTH) {
            flags |= 0x04;
        }
        length = assertFrameHeader(frame, type, flags, streamId);
        assertTrue(length <= headerBlock.readableBytes());
        for (int i = 0; i < length; i++) {
            assertEquals(headerBlock.readByte(), frame.readByte());
        }
    }
    assertFalse(frame.isReadable());
}

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

License:Apache License

private static void assertPriorityFrame(ByteBuf frame, int streamId, boolean exclusive, int dependency,
        int weight) {
    byte type = 0x02;
    byte flags = 0x00;
    assertEquals(5, assertFrameHeader(frame, type, flags, streamId));
    if (exclusive) {
        assertEquals(dependency | 0x80000000, frame.readInt());
    } else {/* w ww.  j  a  va  2  s .  c om*/
        assertEquals(dependency, frame.readInt());
    }
    assertEquals(weight - 1, frame.readUnsignedByte());
    assertFalse(frame.isReadable());
}

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

License:Apache License

private static void assertRstStreamFrame(ByteBuf frame, int streamId, int errorCode) {
    byte type = 0x03;
    byte flags = 0x00;
    assertEquals(4, assertFrameHeader(frame, type, flags, streamId));
    assertEquals(errorCode, frame.readInt());
    assertFalse(frame.isReadable());//ww  w .ja va 2s  .  c o  m
}

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

License:Apache License

private static void assertSettingsFrame(ByteBuf frame, boolean ack, int id, int value) {
    byte type = 0x04;
    byte flags = ack ? (byte) 0x01 : 0x00;
    int length = assertFrameHeader(frame, type, flags, 0);
    if (ack) {/*from  w  w w.  j  a v  a2 s .c  o  m*/
        assertEquals(0, length);
    } else {
        assertEquals(6, length);
        assertEquals(id, frame.readUnsignedShort());
        assertEquals(value, frame.readInt());
    }
    assertFalse(frame.isReadable());
}

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

License:Apache License

private static void assertPushPromiseFrame(ByteBuf frame, int streamId, int promisedStreamId,
        ByteBuf headerBlock) {/*from  ww  w  . ja  v  a2  s . c  om*/
    int maxLength = HTTP_MAX_LENGTH - 4;
    byte type = 0x05;
    byte flags = 0x00;
    if (headerBlock.readableBytes() <= maxLength) {
        flags |= 0x04;
    }
    int length = assertFrameHeader(frame, type, flags, streamId);
    assertTrue(length >= 4);
    assertEquals(promisedStreamId, frame.readInt());
    length -= 4;
    assertTrue(length <= headerBlock.readableBytes());
    for (int i = 0; i < length; i++) {
        assertEquals(headerBlock.readByte(), frame.readByte());
    }
    while (headerBlock.isReadable()) {
        type = 0x09;
        flags = 0x00;
        if (headerBlock.readableBytes() <= HTTP_MAX_LENGTH) {
            flags |= 0x04;
        }
        length = assertFrameHeader(frame, type, flags, streamId);
        assertTrue(length <= headerBlock.readableBytes());
        for (int i = 0; i < length; i++) {
            assertEquals(headerBlock.readByte(), frame.readByte());
        }
    }
    assertFalse(frame.isReadable());
}

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

License:Apache License

private static void assertGoAwayFrame(ByteBuf frame, int lastStreamId, int errorCode) {
    byte type = 0x07;
    byte flags = 0x00;
    assertEquals(8, assertFrameHeader(frame, type, flags, 0));
    assertEquals(lastStreamId, frame.readInt());
    assertEquals(errorCode, frame.readInt());
    assertFalse(frame.isReadable());//w  ww  .  j a v  a2  s. c  o  m
}

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

License:Apache License

private static void assertWindowUpdateFrame(ByteBuf frame, int streamId, int windowSizeIncrement) {
    byte type = 0x08;
    byte flags = 0x00;
    assertEquals(4, assertFrameHeader(frame, type, flags, streamId));
    assertEquals(windowSizeIncrement, frame.readInt());
    assertFalse(frame.isReadable());/*from   ww  w.  ja  v a2 s.  c o  m*/
}

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

License:Apache License

private static int assertFrameHeader(ByteBuf frame, byte type, byte flags, int streamId) {
    int length = frame.readUnsignedMedium();
    assertEquals(type, frame.readByte());
    assertEquals(flags, frame.readByte());
    assertEquals(streamId, frame.readInt());
    return length;
}

From source file:com.uber.tchannel.codecs.CodecUtils.java

License:Open Source License

public static int decodeChecksum(ChecksumType checksumType, ByteBuf buffer) {
    switch (checksumType) {
    case Adler32:
    case FarmhashFingerPrint32:
    case CRC32C:/*from  www. j av a  2s  .c  o m*/
        return buffer.readInt();
    case NoChecksum:
    default:
        return 0;
    }
}

From source file:com.vethrfolnir.game.network.login.LoginServerClientHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf buff = (ByteBuf) msg;

    int opcode = buff.readUnsignedByte();

    switch (opcode) {
    case 0xBB://from   ww w .  j av a 2s  .  c om
        ServerKill.read(serverClient, buff);
        break;
    case 0xA1:
        int newId = buff.readInt();
        RecievedAlternativeId.read(serverClient, buff, newId);
        break;
    default:
        log.warn("Unknown packet 0x" + PrintData.fillHex(opcode, 2) + ". Dump: "
                + PrintData.printData(buff.nioBuffer(0, buff.writerIndex())));
        break;
    }

    buff.release();
}