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.specialeffect.messages.PickBlockMessage.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    entityId = buf.readInt();
}

From source file:com.spotify.folsom.client.binary.BinaryMemcacheDecoder.java

License:Apache License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf buf, final List<Object> out)
        throws Exception {
    for (int i = 0; i < BATCH_SIZE; i++) {
        if (buf.readableBytes() < 24) {
            return;
        }//from   w  w w . j  a v  a  2  s  .  c o m

        buf.markReaderIndex();

        final int magicNumber = buf.readUnsignedByte(); // byte 0
        if (magicNumber != 0x81) {
            throw fail(buf, String.format("Invalid magic number: 0x%2x", magicNumber));
        }

        final int opcode = buf.readByte(); // byte 1
        final int keyLength = buf.readUnsignedShort(); // byte 2-3
        final int extrasLength = buf.readUnsignedByte(); // byte 4
        buf.skipBytes(1);
        final int statusCode = buf.readUnsignedShort(); // byte 6-7

        final MemcacheStatus status = MemcacheStatus.fromInt(statusCode);

        final int totalLength = buf.readInt(); // byte 8-11
        final int opaque = buf.readInt();

        final long cas = buf.readLong();

        if (buf.readableBytes() < totalLength) {
            buf.resetReaderIndex();
            return;
        }

        buf.skipBytes(extrasLength);

        buf.skipBytes(keyLength);

        final int valueLength = totalLength - keyLength - extrasLength;
        byte[] valueBytes;
        if (valueLength == 0) {
            valueBytes = NO_BYTES;
        } else {
            valueBytes = new byte[valueLength];
        }

        buf.readBytes(valueBytes);

        replies.add(new ResponsePacket((byte) opcode, status, opaque, cas, valueBytes));
        if ((opaque & 0xFF) == 0) {
            out.add(replies);
            replies = new BinaryResponse();
        }
    }
}

From source file:com.spotify.folsom.client.binary.FlushAllRequestTest.java

License:Apache License

@Test
public void testBuffer() throws Exception {
    int delay = 12;
    FlushAllRequest req = new FlushAllRequest(delay, OPAQUE);
    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, req, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.FLUSH, 0, 4, 4, req.getOpaque(), 0);
    assertEquals(delay, b.readInt());
    assertEOM(b);/*from w w  w.  jav a 2  s  .c o m*/
}

From source file:com.spotify.folsom.client.binary.GetRequestTest.java

License:Apache License

@Test
public void testBufferTtl() throws Exception {
    GetRequest get = new GetRequest(KEY, OpCode.GET, 123, OPAQUE);

    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, get, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.GET, KEY.length(), 4, KEY.length() + 4, get.getOpaque(), 0);
    assertExpiration(b.readInt());
    assertString(KEY, b);//from  w w  w  .  ja  v a2  s  .c o m
    assertEOM(b);
}

From source file:com.spotify.folsom.client.binary.IncrRequestTest.java

License:Apache License

@Test
public void testBuffer() throws Exception {
    IncrRequest req = new IncrRequest(KEY, OpCode.INCREMENT, 2, 3, 1000, OPAQUE);

    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, req, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.INCREMENT, KEY.length(), 20, KEY.length() + 20, req.getOpaque(), 0);
    assertEquals(2L, b.readLong());//from ww  w .j  a  v  a  2  s.  c o  m
    assertEquals(3L, b.readLong());
    assertExpiration(b.readInt());
    assertString(KEY, b);
    assertEOM(b);
}

From source file:com.spotify.folsom.client.binary.RequestTestTemplate.java

License:Apache License

protected void assertHeader(final ByteBuf b, final int opcode, final int keyLength, final int extrasLength,
        final int totalLength, final int opaque, final long cas) {
    assertByte(0x80, b.readByte());/*from www.  j av  a  2  s. c  o m*/
    assertByte(opcode, b.readByte());
    assertShort(keyLength, b.readShort());
    assertShort(extrasLength, b.readByte());
    assertZeros(b, 3);
    assertEquals(totalLength, b.readInt());
    assertEquals(opaque, b.readInt());
    assertEquals(cas, b.readLong());
}

From source file:com.spotify.folsom.client.binary.SetRequestTest.java

License:Apache License

private void verifySetRequest(long cas) throws Exception {
    SetRequest req = new SetRequest(OpCode.ADD, KEY, TRANSCODER.encode(VALUE), 1000, cas, OPAQUE);

    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, req, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.ADD, KEY.length(), 8, KEY.length() + 8 + VALUE.length(), req.getOpaque(), cas);
    assertZeros(b, 4);//from  w ww.j  av a  2 s  . c o m
    assertExpiration(b.readInt());
    assertString(KEY, b);
    assertString(VALUE, b);
    assertEOM(b);
}

From source file:com.spotify.folsom.client.binary.TouchRequestTest.java

License:Apache License

@Test
public void testBufferNoCas() throws Exception {
    TouchRequest req = new TouchRequest(KEY, 123, OPAQUE);
    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, req, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.TOUCH, KEY.length(), 4, KEY.length() + 4, req.getOpaque(), 0);
    assertExpiration(b.readInt());
    assertString(KEY, b);//  w w  w  .j a v a  2s.c o m
    assertEOM(b);
}

From source file:com.spotify.folsom.client.binary.TouchRequestTest.java

License:Apache License

@Test
public void testBufferTtl() throws Exception {
    GetRequest get = new GetRequest(KEY, OpCode.GET, 123, OPAQUE);
    MemcacheEncoder memcacheEncoder = new MemcacheEncoder();
    List<Object> out = Lists.newArrayList();
    memcacheEncoder.encode(ctx, get, out);
    ByteBuf b = (ByteBuf) out.get(0);

    assertHeader(b, OpCode.GET, KEY.length(), 4, KEY.length() + 4, get.getOpaque(), 0);
    assertExpiration(b.readInt());
    assertString(KEY, b);/*from  w w  w.  j  ava  2  s. co  m*/
    assertEOM(b);
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.CustomReqRepBenchmark.java

License:Apache License

private static int readStatusCode(final ByteBuf data, final int size) {
    if (size != 4) {
        throw new IllegalArgumentException();
    }//w ww . j a  va 2 s. co m
    return data.readInt();
}