Examples with Task com.alipay.sofa.jraft.entity.Task used on opensource projects

Example 26 with Task

use of com.alipay.sofa.jraft.entity.Task in project sofa-jraft by sofastack.

the class NodeImpl method apply.

@Override
public void apply(final Task task) {
    if (this.shutdownLatch != null) {
        Utils.runClosureInThread(task.getDone(), new Status(RaftError.ENODESHUTDOWN, "Node is shutting down."));
        throw new IllegalStateException("Node is shutting down");
    }
    Requires.requireNonNull(task, "Null task");
    final LogEntry entry = new LogEntry();
    entry.setData(task.getData());
    final EventTranslator<LogEntryAndClosure> translator = (event, sequence) -> {
        event.reset();
        event.done = task.getDone();
        event.entry = entry;
        event.expectedTerm = task.getExpectedTerm();
    };
    switch(this.options.getApplyTaskMode()) {
        case Blocking:
            this.applyQueue.publishEvent(translator);
            break;
        case NonBlocking:
        default:
            if (!this.applyQueue.tryPublishEvent(translator)) {
                String errorMsg = "Node is busy, has too many tasks, queue is full and bufferSize=" + this.applyQueue.getBufferSize();
                Utils.runClosureInThread(task.getDone(), new Status(RaftError.EBUSY, errorMsg));
                LOG.warn("Node {} applyQueue is overload.", getNodeId());
                this.metrics.recordTimes("apply-task-overload-times", 1);
                if (task.getDone() == null) {
                    throw new OverloadException(errorMsg);
                }
            }
            break;
    }
}

Example 27 with Task

use of com.alipay.sofa.jraft.entity.Task in project jdchain-core by blockchain-jd-com.

the class RaftNodeServerServiceImpl method proposalBlock.

private void proposalBlock(List<SubmitTx> submitTxList) {
    if (!proposer.canPropose()) {
        LoggerUtils.debugIfEnabled(LOGGER, "node {} can't propose block", nodeServer.getNode().getNodeId());
        for (SubmitTx submitTx : submitTxList) {
            submitTx.getDone().run(new Status(RaftError.ENEWLEADER, "node {} can't propose block", nodeServer.getNode().getNodeId()));
        }
        return;
    }
    LoggerUtils.debugIfEnabled(LOGGER, "node: {} begin proposal block, proposal tx size: {}", nodeServer.getNode().getNodeId(), submitTxList.size());
    List<byte[]> txList = submitTxList.stream().map(SubmitTx::getValues).collect(Collectors.toList());
    List<Closure> doneList = submitTxList.stream().map(SubmitTx::getDone).collect(Collectors.toList());
    try {
        final Task task = new Task();
        Block block = proposer.proposeBlock(txList);
        task.setData(ByteBuffer.wrap(serializer.serialize(block)));
        task.setDone(new BlockClosure(block, doneList));
        nodeServer.getNode().apply(task);
    } catch (Exception e) {
        LOGGER.error("proposal block error", e);
        // todo retry ?
        for (Closure closure : doneList) {
            runSubmitTxClosure(closure, i -> RpcResponse.fail(RaftError.UNKNOWN.getNumber(), e.getMessage()), 0);
        }
    }
}