Example usage for io.netty.buffer ByteBuf writeLong

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

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Introduction

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

Prototype

public abstract ByteBuf writeLong(long value);

Source Link

Document

Sets the specified 64-bit long integer at the current writerIndex and increases the writerIndex by 8 in this buffer.

Usage

From source file:qunar.tc.qmq.protocol.consumer.AckRequestPayloadHolder.java

License:Apache License

@Override
public void writeBody(ByteBuf out) {
    PayloadHolderUtils.writeString(request.getSubject(), out);
    PayloadHolderUtils.writeString(request.getGroup(), out);
    PayloadHolderUtils.writeString(request.getConsumerId(), out);
    out.writeLong(request.getPullOffsetBegin());
    out.writeLong(request.getPullOffsetLast());
    out.writeByte(request.isBroadcast());
}

From source file:qunar.tc.qmq.protocol.consumer.PullRequestSerde.java

License:Apache License

public void write(final PullRequest request, final ByteBuf out) {
    PayloadHolderUtils.writeString(request.getSubject(), out);
    PayloadHolderUtils.writeString(request.getGroup(), out);
    PayloadHolderUtils.writeString(request.getConsumerId(), out);

    out.writeInt(request.getRequestNum());
    out.writeLong(request.getOffset());
    out.writeLong(request.getPullOffsetBegin());
    out.writeLong(request.getPullOffsetLast());
    out.writeLong(request.getTimeoutMillis());
    out.writeByte(request.isBroadcast() ? 1 : 0);

    writeFilters(request.getFilters(), out);
}

From source file:qunar.tc.qmq.protocol.MessagesPayloadHolder.java

License:Apache License

private void serializeMessage(BaseMessage message, ByteBuf out) {
    int crcIndex = out.writerIndex();
    // sizeof(bodyCrc<long>)
    out.ensureWritable(8);/*from  w  ww . j av  a2s . c o  m*/
    out.writerIndex(crcIndex + 8);

    final int messageStart = out.writerIndex();

    // flag
    byte flag = 0;
    //?(1)?(0)?(1)?(0)?Tag
    flag = Flags.setDelay(flag, DelayUtil.isDelayMessage(message));

    //in avoid add tag after sendMessage
    Set<String> tags = new HashSet<>(message.getTags());
    flag = Flags.setTags(flag, hasTags(tags));

    out.writeByte(flag);

    // created time
    out.writeLong(message.getCreatedTime().getTime());
    if (Flags.isDelay(flag)) {
        out.writeLong(message.getScheduleReceiveTime().getTime());
    } else {
        // expired time
        out.writeLong(System.currentTimeMillis());
    }
    // subject
    PayloadHolderUtils.writeString(message.getSubject(), out);
    // message id
    PayloadHolderUtils.writeString(message.getMessageId(), out);

    writeTags(tags, out);

    out.markWriterIndex();
    // writerIndex + sizeof(bodyLength<int>)
    final int bodyStart = out.writerIndex() + 4;
    out.ensureWritable(4);
    out.writerIndex(bodyStart);

    serializeMap(message.getAttrs(), out);
    final int bodyEnd = out.writerIndex();

    final int messageEnd = out.writerIndex();

    final int bodyLen = bodyEnd - bodyStart;
    final int messageLength = bodyEnd - messageStart;

    // write body length
    out.resetWriterIndex();
    out.writeInt(bodyLen);

    // write message crc
    out.writerIndex(crcIndex);
    out.writeLong(messageCrc(out, messageStart, messageLength));

    out.writerIndex(messageEnd);
}

From source file:qunar.tc.qmq.store.IndexLog.java

License:Apache License

private AppendMessageResult doAppendData(final LogSegment segment, final ByteBuffer data) {
    int currentPos = segment.getWrotePosition();
    final int freeSize = segment.getFileSize() - currentPos;
    if (data.remaining() <= freeSize) {
        if (!segment.appendData(data))
            throw new RuntimeException("append index data failed.");
        return new AppendMessageResult<>(SUCCESS, segment.getBaseOffset() + segment.getWrotePosition());
    }/*from w  w w  .  j a va  2s  .  c  o  m*/

    ByteBuf to = ByteBufAllocator.DEFAULT.ioBuffer(freeSize);
    try {
        partialCopy(data, to);
        if (to.isWritable(Long.BYTES)) {
            to.writeLong(-1);
        }
        fillZero(to);
        if (!segment.appendData(to.nioBuffer()))
            throw new RuntimeException("append index data failed.");
    } finally {
        ReferenceCountUtil.release(to);
    }
    return new AppendMessageResult(END_OF_FILE, segment.getBaseOffset() + segment.getFileSize());
}

From source file:qunar.tc.qmq.store.IndexLog.java

License:Apache License

private void partialCopy(ByteBuffer src, ByteBuf to) {
    while (to.isWritable(Long.BYTES)) {
        src.mark();/*from  w  w  w  .  j  a va  2s  .  com*/
        to.markWriterIndex();
        if (!to.isWritable(Long.BYTES))
            break;
        to.writeLong(src.getLong());

        if (!to.isWritable(Long.BYTES)) {
            src.reset();
            to.resetWriterIndex();
            break;
        }
        to.writeLong(src.getLong());

        // subject
        if (!writeString(src, to))
            break;

        // msgId
        if (!writeString(src, to))
            break;
    }
}

From source file:qunar.tc.qmq.sync.master.AbstractLogSyncWorker.java

License:Apache License

private void processSyncLog(SyncRequestEntry entry, SegmentBuffer result) {
    if (!acquireSegmentLock(result)) {
        writeEmpty(entry, result.getStartOffset());
        return;//  w w w  .  j av  a 2 s  . co m
    }

    if (!result.retain()) {
        writeEmpty(entry, result.getStartOffset());
        return;
    }
    try {
        final int batchSize = config.getInt("sync.batch.size", 100000);
        final ByteBuffer buffer = result.getBuffer();
        int size = result.getSize();
        if (size > batchSize) {
            buffer.limit(batchSize);
            size = batchSize;
        }
        final RemotingHeader header = RemotingBuilder.buildResponseHeader(CommandCode.SUCCESS,
                entry.getRequestHeader());
        ByteBuf headerBuffer = HeaderSerializer.serialize(header, SYNC_HEADER_LEN + size, SYNC_HEADER_LEN);
        headerBuffer.writeInt(size);
        headerBuffer.writeLong(result.getStartOffset());
        entry.getCtx().writeAndFlush(new DataTransfer(headerBuffer, result, size));
    } catch (Exception e) {
        result.release();
    }
}

From source file:qunar.tc.qmq.sync.master.MessageIndexSyncWorker.java

License:Apache License

@Override
protected SegmentBuffer getSyncLog(SyncRequest syncRequest) {
    final long originalOffset = syncRequest.getMessageLogOffset();
    long startSyncOffset = originalOffset;

    long minMessageOffset = storage.getMinMessageOffset();
    if (startSyncOffset < minMessageOffset) {
        startSyncOffset = minMessageOffset;
        LOG.info("reset message log sync offset from {} to {}", originalOffset, startSyncOffset);
    }/*www . j a  v  a2s  . c o m*/

    try (MessageLogRecordVisitor visitor = storage.newMessageLogVisitor(startSyncOffset)) {
        LogSegment logSegment = null;
        ByteBuf byteBuf = ByteBufAllocator.DEFAULT.ioBuffer(batchSize);
        long nextSyncOffset = startSyncOffset;
        try {
            for (int i = 0; i < MAX_SYNC_NUM; ++i) {
                LogVisitorRecord<MessageLogRecord> record = visitor.nextRecord();
                if (record.isNoMore()) {
                    nextSyncOffset = visitor.getStartOffset() + visitor.visitedBufferSize();
                    break;
                }

                if (!record.hasData()) {
                    nextSyncOffset = visitor.getStartOffset() + visitor.visitedBufferSize();
                    continue;
                }

                MessageLogRecord data = record.getData();
                logSegment = data.getLogSegment();

                if (!byteBuf.isWritable(Long.BYTES))
                    break;
                byteBuf.markWriterIndex();
                byteBuf.writeLong(data.getSequence());

                if (!byteBuf.isWritable(Long.BYTES)) {
                    byteBuf.resetWriterIndex();
                    break;
                }

                ByteBuffer body = data.getPayload();
                //skip flag
                body.get();
                long createTime = body.getLong();
                //skip expireTime
                body.getLong();

                //subject
                short len = body.getShort();
                byte[] subject = new byte[len];
                body.get(subject);

                //message id
                len = body.getShort();
                byte[] messageId = new byte[len];
                body.get(messageId);

                byteBuf.writeLong(createTime);

                if (!byteBuf.isWritable(Short.BYTES + subject.length)) {
                    byteBuf.resetWriterIndex();
                    break;
                }
                PayloadHolderUtils.writeString(subject, byteBuf);

                if (!byteBuf.isWritable(Short.BYTES + messageId.length)) {
                    byteBuf.resetWriterIndex();
                    break;
                }
                PayloadHolderUtils.writeString(messageId, byteBuf);

                nextSyncOffset = visitor.getStartOffset() + visitor.visitedBufferSize();
            }
        } finally {
            if (!byteBuf.isReadable()) {
                byteBuf.release();
            }
        }

        if (originalOffset == nextSyncOffset) {
            return null;
        }

        //FIXME: ????
        if (byteBuf.isReadable()) {
            return new ByteBufSegmentBuffer(nextSyncOffset, logSegment, byteBuf, byteBuf.readableBytes());
        } else {
            return new ByteBufSegmentBuffer(nextSyncOffset);
        }
    }
}

From source file:ratpack.session.clientside.internal.ClientSideSessionStore.java

License:Apache License

private void setLastAccessTime(CookieStorage cookieStorage) throws Exception {
    ByteBuf data = null;
    try {//from w w  w  .j a  va 2s  .c  o m
        data = Unpooled.buffer();
        data.writeLong(System.currentTimeMillis());
        int oldCookiesCount = cookieStorage.lastAccessToken.size();
        String[] partitions = serialize(data);
        for (int i = 0; i < partitions.length; i++) {
            addCookie(config.getLastAccessTimeCookieName() + "_" + i, partitions[i]);
        }
        for (int i = partitions.length; i < oldCookiesCount; i++) {
            invalidateCookie(config.getLastAccessTimeCookieName() + "_" + i);
        }
    } finally {
        if (data != null) {
            data.release();
        }
    }
}

From source file:ru.jts_dev.authserver.util.Encoder.java

License:Open Source License

public ByteBuf encWithXor(ByteBuf buf) {
    if (buf.readableBytes() % 4 != 0) {
        throw new IndexOutOfBoundsException("ByteBuf size must be multiply of 4");
    }// ww w .j  ava  2  s  .c  om
    int edx;
    int ecx = 0; // Initial xor key

    buf.writeLong(random.nextLong()); // 8 bytes padding

    for (int pos = 4; pos < buf.readableBytes(); pos += 4) {
        edx = buf.getInt(pos);

        ecx += edx;
        edx ^= ecx;

        buf.setInt(pos, edx);
    }
    buf.writeInt(ecx);

    buf.writeInt(random.nextInt()); // 4 bytes for blowfish block

    return buf;
}

From source file:se.sics.caracaldb.flow.FlowMessageSerializer.java

License:Open Source License

private void ctsToBinary(CTS cts, ByteBuf buf) {
    MessageSerializationUtil.msgToBinary(cts, buf, CTS.getValue0(), CTS.getValue1());
    SpecialSerializers.UUIDSerializer.INSTANCE.toBinary(cts.flowId, buf);
    buf.writeInt(cts.clearId);//from   w  w w  . j  a  va 2  s.co  m
    buf.writeInt(cts.allowance);
    buf.writeLong(cts.validThrough);
}