com.alibaba.rocketmq.broker.pagecache.OneMessageTransfer Java Examples

The following examples show how to use com.alibaba.rocketmq.broker.pagecache.OneMessageTransfer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Broker2Client.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
public void checkProducerTransactionState(//
        final Channel channel,//
        final CheckTransactionStateRequestHeader requestHeader,//
        final SelectMapedBufferResult selectMapedBufferResult//
) {
    RemotingCommand request =
            RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
    request.markOnewayRPC();

    try {
        FileRegion fileRegion =
                new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                    selectMapedBufferResult);
        channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                selectMapedBufferResult.release();
                if (!future.isSuccess()) {
                    log.error("invokeProducer failed,", future.cause());
                }
            }
        });
    }
    catch (Throwable e) {
        log.error("invokeProducer exception", e);
        selectMapedBufferResult.release();
    }
}
Example #2
Source File: Broker2Client.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
public void checkProducerTransactionState(//
                                          final Channel channel,//
                                          final CheckTransactionStateRequestHeader requestHeader,//
                                          final SelectMapedBufferResult selectMapedBufferResult//
) {
    RemotingCommand request =
            RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
    request.markOnewayRPC();

    try {
        FileRegion fileRegion =
                new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
        channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                selectMapedBufferResult.release();
                if (!future.isSuccess()) {
                    log.error("invokeProducer failed,", future.cause());
                }
            }
        });
    } catch (Throwable e) {
        log.error("invokeProducer exception", e);
        selectMapedBufferResult.release();
    }
}
Example #3
Source File: Broker2Client.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
/**
 * Broker主动回查Producer事务状态，Oneway
 */
public void checkProducerTransactionState(//
        final Channel channel, //
        final CheckTransactionStateRequestHeader requestHeader, //
        final SelectMapedBufferResult selectMapedBufferResult//
) {
    RemotingCommand request =
            RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
    request.markOnewayRPC();

    try {
        FileRegion fileRegion = new OneMessageTransfer(
            request.encodeHeader(selectMapedBufferResult.getSize()), selectMapedBufferResult);
        channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                selectMapedBufferResult.release();
                if (!future.isSuccess()) {
                    log.error("invokeProducer failed,", future.cause());
                }
            }
        });
    }
    catch (Throwable e) {
        log.error("invokeProducer exception", e);
        selectMapedBufferResult.release();
    }
}
Example #4
Source File: QueryMessageProcessor.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 4 votes vote down vote up 
public RemotingCommand viewMessageById(ChannelHandlerContext ctx, RemotingCommand request)
        throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);
    final ViewMessageRequestHeader requestHeader =
            (ViewMessageRequestHeader) request.decodeCommandCustomHeader(ViewMessageRequestHeader.class);

    response.setOpaque(request.getOpaque());

    final SelectMapedBufferResult selectMapedBufferResult =
            this.brokerController.getMessageStore().selectOneMessageByOffset(requestHeader.getOffset());
    if (selectMapedBufferResult != null) {
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);

        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(response.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
            ctx.channel().writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    selectMapedBufferResult.release();
                    if (!future.isSuccess()) {
                        log.error("transfer one message by pagecache failed, ", future.cause());
                    }
                }
            });
        }
        catch (Throwable e) {
            log.error("", e);
            selectMapedBufferResult.release();
        }

        return null;
    }
    else {
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark("can not find message by the offset, " + requestHeader.getOffset());
    }

    return response;
}
Example #5
Source File: QueryMessageProcessor.java    From rocketmq with Apache License 2.0 4 votes vote down vote up 
public RemotingCommand viewMessageById(ChannelHandlerContext ctx, RemotingCommand request)
        throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);
    final ViewMessageRequestHeader requestHeader =
            (ViewMessageRequestHeader) request.decodeCommandCustomHeader(ViewMessageRequestHeader.class);


    response.setOpaque(request.getOpaque());

    final SelectMapedBufferResult selectMapedBufferResult =
            this.brokerController.getMessageStore().selectOneMessageByOffset(requestHeader.getOffset());
    if (selectMapedBufferResult != null) {
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);

        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(response.encodeHeader(selectMapedBufferResult.getSize()),
                            selectMapedBufferResult);
            ctx.channel().writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    selectMapedBufferResult.release();
                    if (!future.isSuccess()) {
                        log.error("transfer one message by pagecache failed, ", future.cause());
                    }
                }
            });
        } catch (Throwable e) {
            log.error("", e);
            selectMapedBufferResult.release();
        }

        return null;
    } else {
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark("can not find message by the offset, " + requestHeader.getOffset());
    }

    return response;
}
Example #6
Source File: QueryMessageProcessor.java    From RocketMQ-Master-analyze with Apache License 2.0 4 votes vote down vote up 
public RemotingCommand viewMessageById(ChannelHandlerContext ctx, RemotingCommand request)
        throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);
    final ViewMessageRequestHeader requestHeader =
            (ViewMessageRequestHeader) request.decodeCommandCustomHeader(ViewMessageRequestHeader.class);

    // 由于使用sendfile，所以必须要设置
    response.setOpaque(request.getOpaque());

    final SelectMapedBufferResult selectMapedBufferResult =
            this.brokerController.getMessageStore().selectOneMessageByOffset(requestHeader.getOffset());
    if (selectMapedBufferResult != null) {
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);

        try {
            FileRegion fileRegion = new OneMessageTransfer(
                response.encodeHeader(selectMapedBufferResult.getSize()), selectMapedBufferResult);
            ctx.channel().writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    selectMapedBufferResult.release();
                    if (!future.isSuccess()) {
                        log.error("transfer one message by pagecache failed, ", future.cause());
                    }
                }
            });
        }
        catch (Throwable e) {
            log.error("", e);
            selectMapedBufferResult.release();
        }

        return null;
    }
    else {
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark("can not find message by the offset, " + requestHeader.getOffset());
    }

    return response;
}