Example usage for io.netty.buffer ByteBuf writeByte

Introduction

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

Prototype

public abstract ByteBuf writeByte(int value);

Source Link

Document

Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer.

Usage

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP10WireFormat.java

License:Apache License

/**
 * Write a ZMTP/1.0 greeting.//from w w  w  . jav a2s .co m
 *
 * @param out      Target buffer.
 * @param identity Socket identity.
 */
static void writeGreeting(final ByteBuf out, final ByteBuffer identity) {
    writeLength(identity.remaining() + 1, out);
    out.writeByte(0x00);
    out.writeBytes(identity.duplicate());
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP20WireFormat.java

License:Apache License

/**
 * Write a ZMTP/2.0 socket type./*from   w  ww  .j  a  v a2s  .  c  o m*/
 *
 * @param out        The buffer to write the socket type to.
 * @param socketType The socket type to write.
 */
static void writeSocketType(final ByteBuf out, final ZMTPSocketType socketType) {
    out.writeByte(socketType(socketType));
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP20WireFormat.java

License:Apache License

/**
 * Write a ZMTP/2.0 greeting signature./*from   w  w  w.  j  a  v a2 s .co  m*/
 *
 * @param out The buffer to write the signature to.
 */
static void writeSignature(final ByteBuf out) {
    out.writeByte(0xff);
    out.writeLong(0x00);
    out.writeByte(0x7f);
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP20WireFormat.java

License:Apache License

/**
 * Write a ZMTP/2.0 greeting body.//from www . j a  v a2s.c o  m
 *
 * @param out        The buffer to write the greeting body to.
 * @param socketType The socket type.
 * @param identity   The socket identity.
 */
static void writeGreetingBody(final ByteBuf out, final ZMTPSocketType socketType, final ByteBuffer identity) {
    out.writeByte(0x01);
    // socket-type
    writeSocketType(out, socketType);
    // identity
    // the final-short flag octet
    out.writeByte(0x00);
    out.writeByte(identity.remaining());
    out.writeBytes(identity.duplicate());
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP20WireFormat.java

License:Apache License

/**
 * Write a backwards compatible ZMTP/2.0 greeting signature.
 *
 * @param out      The buffer to write the signature to.
 * @param identity The socket identity.//  w  w w .jav a2s. co  m
 */
static void writeCompatSignature(final ByteBuf out, final ByteBuffer identity) {
    out.writeByte(0xFF);
    out.writeLong(identity.remaining() + 1);
    out.writeByte(0x7f);
}

From source file:com.srotya.sidewinder.core.ingress.binary.SeriesDataPointEncoder.java

License:Apache License

public static void encodeDPointToBuf(ByteBuf buf, DataPoint dataPoint) {
    byte[] dbNameBytes = dataPoint.getDbName().getBytes();
    buf.writeInt(dbNameBytes.length);// ww w.j  av  a2s.  co  m
    buf.writeBytes(dbNameBytes);
    byte[] measurementNameBytes = dataPoint.getMeasurementName().getBytes();
    buf.writeInt(measurementNameBytes.length);
    buf.writeBytes(measurementNameBytes);
    byte[] valueNameBytes = dataPoint.getValueFieldName().getBytes();
    buf.writeInt(valueNameBytes.length);
    buf.writeBytes(valueNameBytes);

    buf.writeLong(dataPoint.getTimestamp());
    if (dataPoint.isFp()) {
        buf.writeByte('0');
        buf.writeDouble(dataPoint.getValue());
    } else {
        buf.writeByte('1');
        buf.writeLong(dataPoint.getLongValue());
    }
}

From source file:com.streamsets.pipeline.lib.parser.net.netflow.NetflowTestUtil.java

License:Apache License

public static void writeV5NetflowHeader(EmbeddedChannel channel, int count, long uptime, long seconds,
        long nanos, long flowSequence, int engineType, int engineId, int sampling) {
    final int version = 5;

    final ByteBuf buf = Unpooled.buffer();
    buf.writeShort(version);/*w ww .  j  av a 2s.c o m*/
    buf.writeShort(count);
    buf.writeInt((int) uptime);
    buf.writeInt((int) seconds);
    buf.writeInt((int) nanos);
    buf.writeInt((int) flowSequence);
    buf.writeByte(engineType);
    buf.writeByte(engineId);
    buf.writeShort(sampling);

    channel.writeInbound(buf);
}

From source file:com.streamsets.pipeline.lib.parser.net.netflow.NetflowTestUtil.java

License:Apache License

public static void writeV5NetflowFlowRecord(EmbeddedChannel channel, long srcAddr, long destAddr, long nextHop,
        int snmpInput, int snmpOutput, long packets, long octets, long first, long last, int srcPort,
        int destPort, int tcpFlags, int proto, int tos, int srcAs, int destAs, int srcMask, int destMask

) {/* w  w  w.j av  a  2 s  .  com*/

    final ByteBuf buf = Unpooled.buffer();
    buf.writeInt((int) srcAddr);
    buf.writeInt((int) destAddr);
    buf.writeInt((int) nextHop);
    buf.writeShort(snmpInput);
    buf.writeShort(snmpOutput);
    buf.writeInt((int) packets);
    buf.writeInt((int) octets);
    buf.writeInt((int) first);
    buf.writeInt((int) last);
    buf.writeShort(srcPort);
    buf.writeShort(destPort);
    // one empty pad byte
    buf.writeByte(0);
    buf.writeByte(tcpFlags);
    buf.writeByte(proto);
    buf.writeByte(tos);
    buf.writeShort(srcAs);
    buf.writeShort(destAs);
    buf.writeByte(srcMask);
    buf.writeByte(destMask);
    // two empty pad bytes
    buf.writeByte(0);
    buf.writeByte(0);
    channel.writeInbound(buf);
}

From source file:com.tesora.dve.db.mysql.common.MysqlAPIUtils.java

License:Open Source License

public static void putLengthCodedString(ByteBuf cb, byte[] data, boolean codeNullasZero) {
    if (data != null) {
        // need to handle the case of empty string (NULL and empty string are different)
        // mysql puts (byte)0 in the buffer for empty string
        if (data.length > 0) {
            putLengthCodedLong(cb, data.length);
            cb.writeBytes(data);/*from  ww  w .  j  av  a  2s. com*/
        } else
            cb.writeZero(1);
    } else {
        if (!codeNullasZero)
            cb.writeByte(LEN_CODED_NULL); // this indicates the string is NULL
        else
            cb.writeZero(1);
    }
}

From source file:com.tesora.dve.db.mysql.common.MysqlAPIUtils.java

License:Open Source License

public static void putLengthCodedString(ByteBuf cb, Object obj) {
    if (obj == null) {
        cb.writeByte(LEN_CODED_NULL); // this indicates the string is NULL
    } else if (obj instanceof byte[]) {
        putLengthCodedBinary(cb, (byte[]) obj);
    } else {//from   www  .j a  v  a  2 s .  c  o m
        putLengthCodedBinary(cb, obj.toString().getBytes());
    }
}