Example usage for io.netty.buffer ByteBuf writeBytes

Introduction

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

Prototype

public abstract ByteBuf writeBytes(ByteBuffer src);

Source Link

Document

Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes.

Usage

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

License:Open Source License

public void marshallPayload(ByteBuf destination) {
    ByteBuf sliceContents = readBuffer().slice();
    destination.writeBytes(sliceContents);
}

From source file:com.tesora.dve.db.mysql.portal.protocol.MSPAuthenticateV10MessageMessage.java

License:Open Source License

public static void write(ByteBuf out, String userName, String userPassword, String salt, Charset charset,
        int mysqlCharsetID, int capabilitiesFlag) {
    ByteBuf leBuf = out.order(ByteOrder.LITTLE_ENDIAN);

    int payloadSizeIndex = leBuf.writerIndex();
    leBuf.writeMedium(0);/*from www  . ja  va 2s  .co m*/
    leBuf.writeByte(1);
    int payloadStartIndex = leBuf.writerIndex();
    leBuf.writeInt(capabilitiesFlag);
    leBuf.writeInt(MAX_PACKET_SIZE);
    //      leBuf.writeByte(serverGreeting.getServerCharsetId());
    leBuf.writeByte(mysqlCharsetID);
    leBuf.writeZero(23);
    leBuf.writeBytes(userName.getBytes(charset));
    leBuf.writeZero(1);

    if ((capabilitiesFlag & ClientCapabilities.CLIENT_SECURE_CONNECTION) > 0) {

        byte[] securePassword = computeSecurePassword(userPassword, salt);
        leBuf.writeByte(securePassword.length);
        leBuf.writeBytes(securePassword);
    } else {
        leBuf.writeBytes(userPassword.getBytes(charset));
        leBuf.writeZero(1);
    }

    leBuf.setMedium(payloadSizeIndex, leBuf.writerIndex() - payloadStartIndex);
}

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

License:Open Source License

@Override
protected void marshall(String state, ByteBuf destination) {
    destination.writeByte(getMysqlMessageType());
    destination.writeBytes(decodingCharset.encode(state));
}

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  w w.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.MSPServerGreetingRequestMessage.java

License:Open Source License

public static void write(ChannelHandlerContext ctx, int connectionId, String salt, int serverCapabilities,
        String serverVersion, byte serverCharSet, String pluginData) {
    ByteBuf out = ctx.channel().alloc().heapBuffer(50).order(ByteOrder.LITTLE_ENDIAN);

    String scrambleBuffer1st = salt.substring(0, 8);
    String scrambleBuffer2nd = salt.substring(8) + '\0';
    Integer scrambleBufferSize = scrambleBuffer1st.length() + scrambleBuffer2nd.length();

    ByteBuf serverCapabilitiesBuf = ctx.channel().alloc().heapBuffer(4).order(ByteOrder.LITTLE_ENDIAN);
    try {//w  ww.j av a  2s .c  om
        serverCapabilitiesBuf.writeInt(serverCapabilities);
        out.writeMedium(0);
        out.writeByte(0);
        out.writeByte(MYSQL_PROTOCOL_VERSION);

        out.writeBytes(serverVersion.getBytes());
        out.writeZero(1);
        out.writeInt(connectionId);
        out.writeBytes(scrambleBuffer1st.getBytes()); // Salt
        out.writeZero(1);
        out.writeByte(serverCapabilitiesBuf.getByte(0));
        out.writeByte(serverCapabilitiesBuf.getByte(1));

        out.writeByte(serverCharSet);
        out.writeShort(MyProtocolDefs.SERVER_STATUS_AUTOCOMMIT);
        out.writeByte(serverCapabilitiesBuf.getByte(2));
        out.writeByte(serverCapabilitiesBuf.getByte(3));
        out.writeByte(scrambleBufferSize.byteValue());
        out.writeZero(10); // write 10 unused bytes
        out.writeBytes(scrambleBuffer2nd.getBytes()); // Salt

        out.writeBytes(pluginData.getBytes()); // payload
        out.writeZero(1);

        out.setMedium(0, out.writerIndex() - 4);

        ctx.channel().writeAndFlush(out);
    } finally {
        serverCapabilitiesBuf.release();
    }
}

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

License:Open Source License

public ByteBuf unwrapPayload() {
    if (modifier == Modifier.HEAPCOPY_ON_READ) {
        int maxCapacity = payload.readableBytes();
        ByteBuf copy = Unpooled.buffer(maxCapacity, maxCapacity);
        copy.writeBytes(payload);
        return copy;
    } else/* ww w  .j  ava  2s.  c o  m*/
        return payload;
}

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

License:Open Source License

public static int encodeFullPayload(int sequenceStart, ByteBuf payloadHolder, ByteBuf destination) {
    ByteBuf leBuf = destination.order(ByteOrder.LITTLE_ENDIAN);

    //TODO: this loop is identical to the one below, except it doesn't consume the source or update the destination.  Consolidate?
    //calculate the size of the final encoding, so we resize the destination at most once.
    int payloadRemaining = payloadHolder.readableBytes();
    int outputSize = 0;
    do {/*w  w w. j ava 2  s .  co  m*/
        outputSize += 4; //header
        int chunkLength = Math.min(payloadRemaining, MAX_PAYLOAD);
        outputSize += chunkLength;
        payloadRemaining -= chunkLength;
        if (chunkLength == MAX_PAYLOAD)
            outputSize += 4; //need one more packet if last fragment is exactly 0xFFFF long.
    } while (payloadRemaining > 0);

    leBuf.ensureWritable(outputSize);

    int sequenceIter = sequenceStart;
    boolean lastChunkWasMaximumLength;
    do {
        int initialSize = payloadHolder.readableBytes();
        int maxSlice = MAX_PAYLOAD;
        int sendingPayloadSize = Math.min(maxSlice, initialSize);
        lastChunkWasMaximumLength = (sendingPayloadSize == maxSlice); //need to send a zero length payload if last fragment was exactly 0xFFFF long.

        ByteBuf nextChunk = payloadHolder.readSlice(sendingPayloadSize);
        leBuf.writeMedium(sendingPayloadSize);
        leBuf.writeByte(sequenceIter);
        leBuf.writeBytes(nextChunk);

        sequenceIter++;
    } while (payloadHolder.readableBytes() > 0 || lastChunkWasMaximumLength);
    return sequenceIter; //returns the next usable/expected sequence number.
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt(fileId);
    cb.writeBytes(dataBlock);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt((int) binlogPosition);
    cb.writeZero(2); // binlog_flags
    cb.writeInt(slaveServerID);//w w  w.jav  a  2  s  . com
    if (binlogFileName != null) {
        cb.writeBytes(binlogFileName.getBytes(CharsetUtil.UTF_8));
    }
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt(threadId);
    cb.writeBytes(variableData);
}