Example usage for io.netty.buffer Unpooled buffer

List of usage examples for io.netty.buffer Unpooled buffer

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Introduction

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

Prototype

public static ByteBuf buffer()

Source Link

Document

Creates a new big-endian Java heap buffer with reasonably small initial capacity, which expands its capacity boundlessly on demand.

Usage

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

) {/*from  w w  w  .ja va  2 s .  c o m*/

    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.libmy.MyBinaryResultRow.java

License:Open Source License

public MyBinaryResultRow append(DecodedMeta valueFunc, Object value) {
    ByteBuf valueBuf = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
    valueFunc.writeObject(valueBuf, value);
    return this.append(valueFunc, valueBuf);
}

From source file:com.tesora.dve.db.mysql.libmy.MyBinaryResultRowTest.java

License:Open Source License

@Before
public void setUp() throws Exception {
    rawRow = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
    rawRow.writeZero(1);//bin row marker.
    MyNullBitmap bitmap = new MyNullBitmap(5, MyNullBitmap.BitmapType.RESULT_ROW);
    bitmap.setBit(2);//one based indexing, so second field is null
    rawRow.writeBytes(bitmap.getBitmapArray());

    List<DecodedMeta> fieldConvertors = new ArrayList<>();

    {/*from   w ww.  j  a va 2 s  . c o  m*/
        DataTypeValueFunc mysqlTypeFunc = DBTypeBasedUtils.getMysqlTypeFunc(MyFieldType.FIELD_TYPE_LONG);
        mysqlTypeFunc.writeObject(rawRow, 45);
        fieldConvertors.add(new DecodedMeta(mysqlTypeFunc));
    }

    {
        DataTypeValueFunc mysqlTypeFunc = DBTypeBasedUtils.getMysqlTypeFunc(MyFieldType.FIELD_TYPE_LONG);
        //nothing in packet, this was null.
        fieldConvertors.add(new DecodedMeta(mysqlTypeFunc));
    }

    {
        DataTypeValueFunc mysqlTypeFunc = DBTypeBasedUtils.getMysqlTypeFunc(MyFieldType.FIELD_TYPE_VARCHAR);
        mysqlTypeFunc.writeObject(rawRow, "one");
        fieldConvertors.add(new DecodedMeta(mysqlTypeFunc));
    }

    {
        DataTypeValueFunc mysqlTypeFunc = DBTypeBasedUtils.getMysqlTypeFunc(MyFieldType.FIELD_TYPE_VARCHAR);
        mysqlTypeFunc.writeObject(rawRow, "two");
        fieldConvertors.add(new DecodedMeta(mysqlTypeFunc));
    }

    {
        DataTypeValueFunc mysqlTypeFunc = DBTypeBasedUtils.getMysqlTypeFunc(MyFieldType.FIELD_TYPE_VARCHAR);
        mysqlTypeFunc.writeObject(rawRow, "three");
        fieldConvertors.add(new DecodedMeta(mysqlTypeFunc));
    }

    origRow = new MyBinaryResultRow(fieldConvertors);
    origRow.unmarshallMessage(rawRow);
}

From source file:com.tesora.dve.db.mysql.libmy.MyBinaryResultRowTest.java

License:Open Source License

@Test
public void testProjection_Identity() throws Exception {
    MyBinaryResultRow fullProj = origRow.projection(new int[] { 0, 1, 2, 3, 4 });

    //check that the sizes are the same.
    assertEquals(origRow.size(), fullProj.size());

    ByteBuf marshallProj = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
    fullProj.marshallMessage(marshallProj);
    //check that the raw bytes are byte for byte equal.
    for (int i = 0; i < rawRow.readableBytes(); i++) {
        assertEquals("byte at index=" + i, rawRow.getByte(i), marshallProj.getByte(i));
    }/* w w  w. j  a v a  2s  .c o  m*/

    //check that all the slices are byte for byte equal.
    for (int i = 0; i < origRow.size(); i++) {
        assertEquals(origRow.getSlice(i), fullProj.getSlice(i));
    }

    //check that the decoded objects are equal
    for (int i = 0; i < origRow.size(); i++) {
        assertEquals(origRow.getValue(i), fullProj.getValue(i));
    }

}

From source file:com.tesora.dve.db.mysql.libmy.MyFieldPktResponse.java

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    if (state == CacheState.NOT_CACHED) {
        ByteBuf newCache = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
        fullPack(newCache);/* ww w.  ja v a 2 s.  co m*/
        updateCache(newCache);
    }
    cb.writeBytes(cachedBuffer.slice());
}

From source file:com.tesora.dve.db.mysql.portal.protocol.MSPComQueryRequestMessage.java

License:Open Source License

public static MSPComQueryRequestMessage newMessage(byte[] rawQuery) {
    ByteBuf buf = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN).ensureWritable(rawQuery.length + 1);
    buf.writeByte(TYPE_IDENTIFIER);//w ww.j a  v  a 2  s .  c o m
    buf.writeBytes(rawQuery);
    return new MSPComQueryRequestMessage(buf);
}

From source file:com.tesora.dve.db.mysql.portal.protocol.MSPComQuitRequestMessage.java

License:Open Source License

protected MSPComQuitRequestMessage() {
    super(Unpooled.buffer());
}

From source file:com.tesora.dve.db.mysql.portal.protocol.MysqlClientAuthenticationHandler.java

License:Open Source License

private void processGreeting(ChannelHandlerContext ctx, ByteBuf payload, Byte protocolVersion)
        throws Exception {
    if (protocolVersion == MyErrorResponse.ERRORPKT_FIELD_COUNT) {
        processErrorPacket(ctx, payload);
    } else {/*from w w w . j  ava 2s  .  com*/
        MyHandshakeV10 handshake = new MyHandshakeV10();
        handshake.unmarshallMessage(payload);
        ctx.channel().attr(HANDSHAKE_KEY).set(handshake);
        serverCharset = handshake.getServerCharset(javaCharsetCatalog);
        targetCharset.set(serverCharset);
        serverThreadID = handshake.getThreadID();
        ByteBuf out = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
        try {
            String userName = userCredentials.getName();
            String userPassword = userCredentials.getPassword();
            String salt = handshake.getSalt();
            Charset charset = javaCharsetCatalog.findJavaCharsetById(handshake.getServerCharsetId());
            int mysqlCharsetID = MysqlNativeConstants.MYSQL_CHARSET_UTF8;
            int capabilitiesFlag = (int) clientCapabilities;
            handshake.setServerCharset((byte) mysqlCharsetID);

            MSPAuthenticateV10MessageMessage.write(out, userName, userPassword, salt, charset, mysqlCharsetID,
                    capabilitiesFlag);
            ctx.writeAndFlush(out);
        } catch (Exception e) {
            out.release();
            log.debug("Couldn't write auth handshake to socket", e);
        }

        enterState(AuthenticationState.AWAIT_ACKNOWLEGEMENT);
    }
}

From source file:com.tesora.dve.db.mysql.portal.protocol.Packet.java

License:Open Source License

public static int encodeFullMessage(int sequenceStart, MysqlMessage mysql, ByteBuf destination) {

    //copies the message payload to a heap buffer, so we can size the actual output.
    ByteBuf payloadHolder = Unpooled.buffer();
    mysql.marshallPayload(payloadHolder); //copy full payload to heap buffer (might be an extended payload)

    return encodeFullPayload(sequenceStart, payloadHolder, destination);
}

From source file:com.tesora.dve.parlb.MysqlClientHandler.java

License:Open Source License

/**
 * Closes the specified channel after all queued write requests are flushed.
 *//*from w w w.ja  va  2  s .  c  o m*/
static void closeOnFlush(Channel ch) {
    if (ch.isActive()) {
        ch.write(Unpooled.buffer()).addListener(ChannelFutureListener.CLOSE);
    }
}