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:at.yawk.accordion.distributed.Node.java

License:Mozilla Public License

/**
 * Serialize this node to a given ByteBuf.
 *//*from   ww  w .j  a  va  2s  . c  o  m*/
void write(ByteBuf to) {
    // port
    to.writeInt(address.getPort());
    // IP
    InternalProtocol.writeByteArray(to, address.getAddress().getAddress());
    // tier
    to.writeInt(tier);
}

From source file:at.yawk.accordion.minecraft.example.AbstractPingPacket.java

License:Mozilla Public License

@Override
public void write(ByteBuf target) {
    target.writeInt(payload);
}

From source file:at.yawk.accordion.simulation.Simulation.java

License:Mozilla Public License

public static void main(String[] args) throws UnknownHostException, InterruptedException {
    Logger.getRootLogger().addAppender(new ConsoleAppender(new SimpleLayout(), ConsoleAppender.SYSTEM_OUT));
    Logger.getRootLogger().setLevel(Level.DEBUG);

    Simulation simulation = new Simulation();
    simulation.populate();/*from  w  w w. j  a v a 2  s  .co  m*/
    TimeUnit.SECONDS.sleep(1);

    simulation.nodes.get(simulation.tiers[0][0]).getConnectionManager().getChannel("test").subscribe(msg -> {
        int len = msg.readInt();
        byte[] blob = new byte[len];
        msg.readBytes(blob);
        Log.getDefaultLogger().info("Received: " + new String(blob));
    });
    TimeUnit.SECONDS.sleep(1);

    ByteBuf msg = Unpooled.buffer();
    byte[] text = "ping".getBytes();
    msg.writeInt(text.length);
    msg.writeBytes(text);

    simulation.nodes.get(simulation.tiers[0][1]).getConnectionManager().getChannel("test").publish(msg);
}

From source file:at.yawk.dbus.protocol.codec.MessageHeaderCodec.java

@Override
protected void encode(ChannelHandlerContext ctx, MessageHeader msg, ByteBuf out) throws Exception {
    out = out.order(Local.OUTBOUND_ORDER);

    AlignableByteBuf alignedBuf = AlignableByteBuf.encoding(out);
    out.writeByte(Local.OUTBOUND_ORDER == ByteOrder.LITTLE_ENDIAN ? 'l' : 'B');

    out.writeByte(msg.getMessageType().getId());

    byte flags = 0;
    if (msg.isNoReplyExpected()) {
        flags |= NO_REPLY_EXPECTED;/*from  w  w w.  j  a v a  2s. c  o  m*/
    }
    if (msg.isNoAutoStart()) {
        flags |= NO_AUTO_START;
    }
    if (msg.isAllowInteractiveAuthorization()) {
        flags |= ALLOW_INTERACTIVE_AUTHORIZATION;
    }
    out.writeByte(flags);

    byte protocolVersion = msg.getMajorProtocolVersion();
    if (protocolVersion == 0) {
        protocolVersion = PROTOCOL_VERSION;
    }
    out.writeByte(protocolVersion);

    out.writeInt((int) msg.getMessageBodyLength());

    int serial = msg.getSerial();
    if (serial == 0) {
        serial = Local.generateSerial(ctx);
    }
    out.writeInt(serial);

    checkRequiredHeaderFieldsPresent(msg);
    ArrayObject headerObject = ArrayObject.create(HEADER_FIELD_LIST_TYPE,
            msg.getHeaderFields().entrySet().stream().map(entry -> {
                BasicObject id = BasicObject.createByte(entry.getKey().getId());
                DbusObject value = entry.getValue();
                return StructObject.create(HEADER_FIELD_TYPE, Arrays.asList(id, VariantObject.create(value)));
            }).collect(Collectors.toList()));

    headerObject.serialize(alignedBuf);
    alignedBuf.alignWrite(8);
}

From source file:bftsmart.communication.client.netty.NettyTOMMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext context, TOMMessage sm, ByteBuf buffer) throws Exception {
    byte[] msgData;
    byte[] signatureData = null;

    msgData = sm.serializedMessage;//from   w  w w  . ja v a 2 s.  co m
    if (sm.signed) {
        //signature was already produced before            
        signatureData = sm.serializedMessageSignature;
    }

    int dataLength = Integer.BYTES + msgData.length + Integer.BYTES
            + (signatureData != null ? signatureData.length : 0);

    /* msg size */
    buffer.writeInt(dataLength);

    /* data to be sent */
    buffer.writeInt(msgData.length);
    buffer.writeBytes(msgData);

    /* signature */
    if (signatureData != null) {
        buffer.writeInt(signatureData.length);
        buffer.writeBytes(signatureData);
    } else {
        buffer.writeInt(0);
    }

    context.flush();
}

From source file:blazingcache.network.netty.DodoMessageUtils.java

License:Apache License

private static void writeUTF8String(ByteBuf buf, String s) {
    byte[] asarray = s.getBytes(StandardCharsets.UTF_8);
    buf.writeInt(asarray.length);
    buf.writeBytes(asarray);//  w  ww .  j a va 2s .c om
}

From source file:blazingcache.network.netty.DodoMessageUtils.java

License:Apache License

public static void encodeMessage(ByteBuf encoded, Message m) {
    encoded.writeByte(VERSION);//from  www . j  av a 2 s. co  m
    encoded.writeInt(m.type);
    writeUTF8String(encoded, m.messageId);
    if (m.replyMessageId != null) {
        encoded.writeByte(OPCODE_REPLYMESSAGEID);
        writeUTF8String(encoded, m.replyMessageId);
    }
    if (m.clientId != null) {
        encoded.writeByte(OPCODE_WORKERPROCESSID);
        writeUTF8String(encoded, m.clientId);
    }
    if (m.parameters != null) {
        encoded.writeByte(OPCODE_PARAMETERS);
        encoded.writeInt(m.parameters.size());
        for (Map.Entry<String, Object> p : m.parameters.entrySet()) {
            writeEncodedSimpleValue(encoded, p.getKey());
            writeEncodedSimpleValue(encoded, p.getValue());
        }
    }

}

From source file:blazingcache.network.netty.DodoMessageUtils.java

License:Apache License

private static void writeEncodedSimpleValue(ByteBuf encoded, Object o) {
    if (o == null) {
        encoded.writeByte(OPCODE_NULL_VALUE);
    } else if (o instanceof String) {
        encoded.writeByte(OPCODE_STRING_VALUE);
        writeUTF8String(encoded, (String) o);
    } else if (o instanceof Integer) {
        encoded.writeByte(OPCODE_INT_VALUE);
        encoded.writeInt((Integer) o);
    } else if (o instanceof Long) {
        encoded.writeByte(OPCODE_LONG_VALUE);
        encoded.writeLong((Long) o);
    } else if (o instanceof Set) {
        Set set = (Set) o;
        encoded.writeByte(OPCODE_SET_VALUE);
        encoded.writeInt(set.size());/*ww w.  j av  a2  s . c o m*/
        for (Object o2 : set) {
            writeEncodedSimpleValue(encoded, o2);
        }
    } else if (o instanceof List) {
        List set = (List) o;
        encoded.writeByte(OPCODE_LIST_VALUE);
        encoded.writeInt(set.size());
        for (Object o2 : set) {
            writeEncodedSimpleValue(encoded, o2);
        }

    } else if (o instanceof byte[]) {
        byte[] set = (byte[]) o;
        encoded.writeByte(OPCODE_BYTEARRAY_VALUE);
        encoded.writeInt(set.length);
        encoded.writeBytes(set);
    } else if (o instanceof Map) {
        Map set = (Map) o;
        encoded.writeByte(OPCODE_MAP_VALUE);
        encoded.writeInt(set.size());
        for (Map.Entry entry : (Iterable<Entry>) set.entrySet()) {
            writeEncodedSimpleValue(encoded, entry.getKey());
            writeEncodedSimpleValue(encoded, entry.getValue());
        }
    } else {
        throw new RuntimeException("unsupported class " + o.getClass());
    }
}

From source file:blazingcache.network.netty.MessageUtils.java

License:Apache License

private static void writeEncodedSimpleValue(ByteBuf encoded, Object o) {
    if (o == null) {
        encoded.writeByte(OPCODE_NULL_VALUE);
    } else if (o instanceof String) {
        encoded.writeByte(OPCODE_STRING_VALUE);
        writeUTF8String(encoded, (String) o);
    } else if (o instanceof RawString) {
        encoded.writeByte(OPCODE_STRING_VALUE);
        writeUTF8String(encoded, ((RawString) o).toString());
    } else if (o instanceof Integer) {
        encoded.writeByte(OPCODE_INT_VALUE);
        encoded.writeInt((Integer) o);
    } else if (o instanceof Long) {
        encoded.writeByte(OPCODE_LONG_VALUE);
        encoded.writeLong((Long) o);
    } else if (o instanceof Set) {
        Set set = (Set) o;
        encoded.writeByte(OPCODE_SET_VALUE);
        encoded.writeInt(set.size());/*  w  ww .  j  a v  a  2  s . c o m*/
        for (Object o2 : set) {
            writeEncodedSimpleValue(encoded, o2);
        }
    } else if (o instanceof List) {
        List set = (List) o;
        encoded.writeByte(OPCODE_LIST_VALUE);
        encoded.writeInt(set.size());
        for (Object o2 : set) {
            writeEncodedSimpleValue(encoded, o2);
        }

    } else if (o instanceof byte[]) {
        byte[] set = (byte[]) o;
        encoded.writeByte(OPCODE_BYTEARRAY_VALUE);
        encoded.writeInt(set.length);
        encoded.writeBytes(set);
    } else if (o instanceof Map) {
        Map set = (Map) o;
        encoded.writeByte(OPCODE_MAP_VALUE);
        encoded.writeInt(set.size());
        for (Map.Entry entry : (Iterable<Entry>) set.entrySet()) {
            writeEncodedSimpleValue(encoded, entry.getKey());
            writeEncodedSimpleValue(encoded, entry.getValue());
        }
    } else {
        throw new RuntimeException("unsupported class " + o.getClass());
    }
}

From source file:blusunrize.immersiveengineering.common.util.network.MessageBirthdayParty.java

@Override
public void toBytes(ByteBuf buf) {
    buf.writeInt(this.entityId);
}