Example usage for io.netty.buffer ByteBuf writeInt

List of usage examples for io.netty.buffer ByteBuf writeInt

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Introduction

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

Prototype

public abstract ByteBuf writeInt(int value);

Source Link

Document

Sets the specified 32-bit integer at the current writerIndex and increases the writerIndex by 4 in this buffer.

Usage

From source file:com.tesora.dve.sql.LargeMaxPktTest.java

License:Open Source License

@Test
public void testComQueryMessageContinuationOverlap() throws Exception {
    int defaultMaxPacket = 0xFFFFFF;
    int payloadSize = (defaultMaxPacket * 4) + (4 * 40); //four full packets and a little change, divisible by 4.
    ByteBuf source = Unpooled.buffer(payloadSize, payloadSize);
    Random rand = new Random(239873L);
    while (source.isWritable())
        source.writeInt(rand.nextInt());
    Assert.assertEquals(source.writableBytes(), 0, "Oops, I intended to fill up the source buffer");

    ByteBuf dest = Unpooled.buffer(payloadSize);

    MSPComQueryRequestMessage outboundMessage = MSPComQueryRequestMessage.newMessage(source.array());
    Packet.encodeFullMessage((byte) 0, outboundMessage, dest);

    int lengthOfNonUserdata = 5 + 4 + 4 + 4 + 4;
    Assert.assertEquals(dest.readableBytes(), payloadSize + lengthOfNonUserdata,
            "Number of bytes in destination buffer is wrong");

    Assert.assertEquals(dest.getUnsignedMedium(0), defaultMaxPacket, "First length should be maximum");
    Assert.assertEquals(dest.getByte(3), (byte) 0, "First sequenceID should be zero");
    Assert.assertEquals(dest.getByte(4), (byte) MSPComQueryRequestMessage.TYPE_IDENTIFIER,
            "First byte of payload should be MSPComQueryRequestMessage.TYPE_IDENTIFIER");

    ByteBuf sliceFirstPayload = dest.slice(5, (0xFFFFFF - 1));
    Assert.assertEquals(sliceFirstPayload, source.slice(0, 0xFFFFFF - 1));

}

From source file:com.tesora.dve.sql.LargeMaxPktTest.java

License:Open Source License

@Test
public void testComQueryMessageContinuationExact() throws Exception {
    int defaultMaxPacket = 0xFFFFFF;
    int payloadSize = (defaultMaxPacket * 4); //four full packets exactly, requires an empty trailing packet.
    ByteBuf source = Unpooled.buffer(payloadSize, payloadSize);
    Random rand = new Random(239873L);
    while (source.isWritable())
        source.writeInt(rand.nextInt());
    Assert.assertEquals(source.writableBytes(), 0, "Oops, I intended to fill up the source buffer");

    ByteBuf dest = Unpooled.buffer(payloadSize);

    MSPComQueryRequestMessage outboundMessage = MSPComQueryRequestMessage.newMessage(source.array());
    Packet.encodeFullMessage((byte) 0, outboundMessage, dest);

    int lengthOfNonUserdata = 5 + 4 + 4 + 4 + 4;//last packet has zero length payload
    Assert.assertEquals(dest.readableBytes(), payloadSize + lengthOfNonUserdata,
            "Number of bytes in destination buffer is wrong");

    Assert.assertEquals(dest.getUnsignedMedium(0), defaultMaxPacket, "First length should be maximum");
    Assert.assertEquals(dest.getByte(3), (byte) 0, "First sequenceID should be zero");
    Assert.assertEquals(dest.getByte(4), (byte) MSPComQueryRequestMessage.TYPE_IDENTIFIER,
            "First byte of payload should be MSPComQueryRequestMessage.TYPE_IDENTIFIER");

    ByteBuf sliceFirstPayload = dest.slice(5, (0xFFFFFF - 1));
    Assert.assertEquals(sliceFirstPayload, source.slice(0, 0xFFFFFF - 1));

}

From source file:com.theoriginalbit.moarperipherals.common.network.message.MessageGeneric.java

License:Apache License

@Override
public void toBytes(ByteBuf buf) {
    // Write any string data
    if (stringData != null) {
        buf.writeInt(stringData.length);
        for (String str : stringData) {
            ByteBufUtils.writeUTF8String(buf, str);
        }//from w ww  .j av  a2 s .c o m
    } else {
        buf.writeInt(0);
    }

    // Write any integer data
    if (intData != null) {
        buf.writeInt(intData.length);
        for (int i : intData) {
            buf.writeInt(i);
        }
    } else {
        buf.writeInt(0);
    }

    // Write any byte data
    if (byteData != null) {
        buf.writeInt(byteData.length);
        buf.writeBytes(byteData);
    } else {
        buf.writeInt(0);
    }

    // Write any char data
    if (charData != null) {
        buf.writeInt(charData.length);
        for (char c : charData) {
            buf.writeChar(c);
        }
    } else {
        buf.writeInt(0);
    }

    // Write any float data
    if (floatData != null) {
        buf.writeInt(floatData.length);
        for (float f : floatData) {
            buf.writeFloat(f);
        }
    } else {
        buf.writeInt(0);
    }

    // Write any double data
    if (doubleData != null) {
        buf.writeInt(doubleData.length);
        for (double d : doubleData) {
            buf.writeDouble(d);
        }
    } else {
        buf.writeInt(0);
    }

    // Write any NBT data
    if (nbtData != null) {
        buf.writeBoolean(true);
        ByteBufUtils.writeTag(buf, nbtData);
    } else {
        buf.writeBoolean(false);
    }
}

From source file:com.torchmind.netty.msgpack.codec.MessageFrameCodec.java

License:Apache License

/**
 * {@inheritDoc}//www. j  a  va  2  s  .c om
 */
@Override
protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) throws Exception {
    // ensure buffer is writable
    out.ensureWritable((msg.readableBytes() + 4));

    // write length
    out.writeInt(msg.readableBytes());

    // write data
    out.writeBytes(msg);
}

From source file:com.torchmind.netty.msgpack.test.MessageFrameCodecTest.java

License:Apache License

/**
 * Tests encoding.//w  w  w .  j av a 2  s .c om
 */
@Test
public void encoding() {
    // create a test message
    ByteBuf message = this.channel.alloc().buffer();
    message.writeInt(42);

    // write data
    Assert.assertTrue(this.channel.writeOutbound(message));

    // grab output
    ByteBuf output = this.channel.readOutbound();

    // verify packet
    Assert.assertEquals("Overall packet size does not match", 8, output.readableBytes());
    Assert.assertEquals("Packet #0: Packet length header does not match", 4, output.readInt());
    Assert.assertEquals("Packet #0: Packet body does not match", 42, output.readInt());
}

From source file:com.torchmind.netty.msgpack.test.MessageFrameCodecTest.java

License:Apache License

/**
 * Tests decoding./*  ww  w  .  j a va 2 s  .  c o  m*/
 */
@Test
public void decoding() {
    // create a test message
    ByteBuf message = this.channel.alloc().buffer();
    message.writeInt(8);
    message.writeInt(42);
    message.writeInt(21);
    message.writeInt(8);
    message.writeInt(42);
    message.writeInt(21);

    // write data
    Assert.assertTrue(this.channel.writeInbound(message));

    // initialize count
    int i = 0;

    // iterate over elements in stream
    while (this.channel.inboundMessages().peek() != null) {
        ByteBuf input = ((ByteBuf) this.channel.inboundMessages().poll());

        // check length
        Assert.assertEquals("Packet #" + i + ": Decoded packet size does not match", 8, input.readableBytes());
        Assert.assertEquals("Packet #" + i + ": First field does not match", 42, input.readInt());
        Assert.assertEquals("Packet #" + i + ": Second field does not match", 21, input.readInt());

        // update count
        i++;
    }
}

From source file:com.turn.ttorrent.client.io.PeerMessageCodec.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, PeerMessage value, ByteBuf out) throws Exception {
    // LOG.info("encode: " + value);
    int lengthIndex = out.writerIndex();
    out.writeInt(0);
    int startIndex = out.writerIndex();
    value.toWire(out, listener.getExtendedMessageTypes());
    out.setInt(lengthIndex, out.writerIndex() - startIndex);
}

From source file:com.turn.ttorrent.common.protocol.udp.UDPAnnounceRequestMessage.java

License:Apache License

@Override
public void toWire(ByteBuf out) {
    _toWire(out);//w  ww.  j a v a2s. c om
    out.writeBytes(infoHash);
    out.writeBytes(getPeerId());
    out.writeLong(downloaded);
    out.writeLong(uploaded);
    out.writeLong(left);
    out.writeInt(event.getId());
    out.writeBytes(getIp4Address(peerAddress));
    out.writeInt(key);
    out.writeInt(numWant);
    out.writeShort(peerAddress.getPort());
}

From source file:com.turn.ttorrent.common.protocol.udp.UDPAnnounceResponseMessage.java

License:Apache License

@Override
public void toWire(ByteBuf out) {
    _toWire(out);/*w w w .j  ava2  s . c  om*/
    out.writeInt(interval);

    /**
     * Leechers (incomplete) are first, before seeders (complete) in the packet.
     */
    out.writeInt(incomplete);
    out.writeInt(complete);

    for (Peer peer : peers) {
        byte[] ip = peer.getIpBytes();
        if (ip == null || ip.length != 4)
            continue;
        out.writeBytes(ip);
        out.writeShort((short) peer.getPort());
    }
}

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

License:Apache License

@Test
public void testHttpRstStreamFrame() throws Exception {
    int length = 4;
    byte flags = 0;
    int streamId = RANDOM.nextInt() & 0x7FFFFFFF | 0x01;
    int errorCode = RANDOM.nextInt();

    ByteBuf frame = rstStreamFrame(length, flags, streamId);
    frame.writeInt(errorCode);
    decoder.decode(frame);// w ww . j av a  2s  .c o m

    verify(delegate).readRstStreamFrame(streamId, errorCode);
    verifyNoMoreInteractions(delegate);
}