Examples with FileRegion io.netty.channel.FileRegion used on opensource projects

Example 21 with FileRegion

use of io.netty.channel.FileRegion in project rocketmq-rocketmq-all-4.1.0-incubating by lirenzuo.

the class Broker2Client method checkProducerTransactionState.

/**
 * Broker主动回查Producer事务状态，Oneway
 */
public void checkProducerTransactionState(final Channel channel, final CheckTransactionStateRequestHeader requestHeader, final SelectMappedBufferResult selectMappedBufferResult) {
    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
    request.markOnewayRPC();
    try {
        FileRegion fileRegion = new OneMessageTransfer(request.encodeHeader(selectMappedBufferResult.getSize()), selectMappedBufferResult);
        channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                selectMappedBufferResult.release();
                if (!future.isSuccess()) {
                    log.error("invokeProducer failed,", future.cause());
                }
            }
        });
    } catch (Throwable e) {
        log.error("invokeProducer exception", e);
        selectMappedBufferResult.release();
    }
}