Example usage for io.netty.buffer ByteBuf readInt

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

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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.tesora.dve.mysqlapi.repl.messages.MyTableMapLogEvent.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    tableId = cb.readInt();
    reserved = cb.readShort();//w  w  w.  j av a2s  .c o  m
    // TODO: need to parse out the variable part of the data
    variableData = Unpooled.buffer(cb.readableBytes());
    variableData.writeBytes(cb);
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyUserVarLogEvent.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) throws PEException {
    variableNameLen = cb.readInt();
    variableName = MysqlAPIUtils.readBytesAsString(cb, variableNameLen, CharsetUtil.UTF_8);
    nullByte = cb.readByte();//from  ww  w . jav  a  2 s.c  o m
    if (nullByte != 1) {
        variableValue = processVariableValue(cb);
    } else {
        variableValue = "NULL";
    }
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyUserVarLogEvent.java

License:Open Source License

String processVariableValue(ByteBuf cb) throws PEException {
    String value = StringUtils.EMPTY;

    valueType = MyItemResultCode.fromByte(cb.readByte());
    valueCharSet = cb.readInt();
    valueLen = cb.readInt();/*  w  ww . j  ava 2  s. c  o m*/
    valueBytes = Unpooled.buffer(cb.readableBytes()).order(ByteOrder.LITTLE_ENDIAN);
    valueBytes.writeBytes(cb);

    switch (valueType) {
    case DECIMAL_RESULT:
        value = processDecimalValue(valueBytes, valueLen);
        break;
    case INT_RESULT:
        value = processIntValue(valueBytes, valueLen);
        break;
    case REAL_RESULT:
        value = Double.toString(valueBytes.readDouble());
        break;
    case STRING_RESULT:
        value = "'" + StringUtils.replace(
                MysqlAPIUtils.readBytesAsString(valueBytes, valueLen, CharsetUtil.UTF_8), "'", "''") + "'";
        break;
    case ROW_RESULT:
    default:
        throw new PEException(
                "Unsupported variable type '" + valueType + "' for variable '" + variableName + "'");
    }
    return value;
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyUserVarLogEvent.java

License:Open Source License

String processIntValue(ByteBuf cb, int valueLen) throws PEException {
    String value = StringUtils.EMPTY;

    switch (valueLen) {
    case 8://from   ww w.j  a v  a 2  s  .c o m
        value = Long.toString(cb.readLong());
        break;
    case 7:
    case 6:
    case 5:
        throw new PEException(
                "Cannot decode INT value of length '" + valueLen + "' for variable '" + variableName + "'");
    case 4:
        value = Long.toString(cb.readInt());
        break;
    case 3:
        value = Long.toString(cb.readMedium());
        break;
    case 2:
        value = Long.toString(cb.readShort());
        break;
    case 1:
        value = Byte.toString(cb.readByte());
        break;
    }
    return value;
}

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

License:Apache License

@Override
public void fromBytes(ByteBuf buf) {
    int nStr = buf.readInt();
    stringData = new String[nStr];
    if (nStr > 0) {
        for (int i = 0; i < nStr; ++i) {
            stringData[i] = ByteBufUtils.readUTF8String(buf);
        }/*www  .ja v a 2 s  . c om*/
    }

    int nInt = buf.readInt();
    intData = new int[nInt];
    if (nInt > 0) {
        for (int i = 0; i < nInt; ++i) {
            intData[i] = buf.readInt();
        }
    }

    int nByte = buf.readInt();
    byteData = new byte[nByte];
    if (nByte > 0) {
        buf.readBytes(byteData);
    }

    int nChar = buf.readInt();
    charData = new char[nChar];
    if (nChar > 0) {
        for (int i = 0; i < nChar; ++i) {
            charData[i] = buf.readChar();
        }
    }

    int nFloat = buf.readInt();
    floatData = new float[nFloat];
    if (nFloat > 0) {
        for (int i = 0; i < nFloat; ++i) {
            floatData[i] = buf.readFloat();
        }
    }

    int nDouble = buf.readInt();
    doubleData = new double[nDouble];
    if (nDouble > 0) {
        for (int i = 0; i < nDouble; ++i) {
            doubleData[i] = buf.readDouble();
        }
    }

    boolean wasNBT = buf.readBoolean();
    if (wasNBT) {
        nbtData = ByteBufUtils.readTag(buf);
    }
}

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

License:Apache License

/**
 * {@inheritDoc}//from w ww .j  av a  2  s . c o m
 */
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    while (in.readableBytes() >= 4) {
        // mark reader index
        in.markReaderIndex();

        // read length
        int length = in.readInt();

        // check whether enough data is available
        if (length > in.readableBytes()) {
            // reset index
            in.resetReaderIndex();

            // skip further execution due to missing data
            break;
        }

        // read buffer
        ByteBuf buffer = ctx.alloc().buffer(length);
        in.readBytes(buffer);

        // append to output
        out.add(buffer);
    }
}

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

License:Apache License

/**
 * Tests encoding.//from   w  w w.  j a  v  a 2s.  co  m
 */
@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.// w w w .  ja v a 2s .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.common.protocol.udp.UDPAnnounceRequestMessage.java

License:Apache License

@Override
public void fromWire(ByteBuf in) throws MessageValidationException {
    _fromWire(in, UDP_ANNOUNCE_REQUEST_MESSAGE_SIZE);

    infoHash = new byte[20];
    in.readBytes(infoHash);//  w  ww.  ja v  a  2 s . c o  m
    peerId = new byte[20];
    in.readBytes(peerId);

    downloaded = in.readLong();
    uploaded = in.readLong();
    left = in.readLong();

    event = AnnounceEvent.getById(in.readInt());
    if (event == null)
        throw new MessageValidationException("Invalid event type in announce request!");

    InetAddress address;
    try {
        byte[] ipBytes = new byte[4];
        in.readBytes(ipBytes);
        address = InetAddress.getByAddress(ipBytes);
    } catch (UnknownHostException e) {
        throw new MessageValidationException("Invalid IP address in announce request!", e);
    }

    key = in.readInt();
    numWant = in.readInt();
    int port = in.readShort() & 0xFFFF;

    peerAddress = new InetSocketAddress(address, port);
}

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

License:Apache License

@Override
public void fromWire(ByteBuf in) throws MessageValidationException {
    if (in.readableBytes() < UDP_ANNOUNCE_RESPONSE_MIN_MESSAGE_SIZE
            || (in.readableBytes() - UDP_ANNOUNCE_RESPONSE_MIN_MESSAGE_SIZE) % 6 != 0) {
        throw new MessageValidationException("Invalid announce response message size " + in.readableBytes());
    }/*from w w w .  jav  a2 s.c o m*/
    _fromWire(in, -1);

    interval = in.readInt();
    incomplete = in.readInt();
    complete = in.readInt();

    peers.clear();
    while (in.readableBytes() > 0) {
        try {
            byte[] ipBytes = new byte[4];
            in.readBytes(ipBytes);
            InetAddress ip = InetAddress.getByAddress(ipBytes);
            int port = in.readShort() & 0xFFFF;
            peers.add(new Peer(new InetSocketAddress(ip, port), null));
        } catch (UnknownHostException uhe) {
            throw new MessageValidationException("Invalid IP address in announce request!");
        }
    }
}