Examples with EmptyReply com.yahoo.messagebus.EmptyReply used on opensource projects

Example 16 with EmptyReply

use of com.yahoo.messagebus.EmptyReply in project vespa by vespa-engine.

the class MbusRequestHandlerTestCase method requireThatHandlerCanRespondInOtherThread.

@Test
public void requireThatHandlerCanRespondInOtherThread() throws Exception {
    TestDriver driver = newTestDriver(ThreadedReplier.INSTANCE);
    Response response = dispatchMessage(driver, new SimpleMessage("msg")).get(60, TimeUnit.SECONDS);
    assertTrue(response instanceof MbusResponse);
    assertEquals(Response.Status.OK, response.getStatus());
    Reply reply = ((MbusResponse) response).getReply();
    assertTrue(reply instanceof EmptyReply);
    assertFalse(reply.hasErrors());
    assertTrue(driver.close());
}

Example 17 with EmptyReply

use of com.yahoo.messagebus.EmptyReply in project vespa by vespa-engine.

the class RPCSend method send.

@Override
public final void send(RoutingNode recipient, Version version, byte[] payload, long timeRemaining) {
    SendContext ctx = new SendContext(recipient, timeRemaining);
    RPCServiceAddress address = (RPCServiceAddress) recipient.getServiceAddress();
    Message msg = recipient.getMessage();
    Route route = new Route(recipient.getRoute());
    Hop hop = route.removeHop(0);
    Request req = encodeRequest(version, route, address, msg, timeRemaining, payload, ctx.trace.getLevel());
    if (ctx.trace.shouldTrace(TraceLevel.SEND_RECEIVE)) {
        ctx.trace.trace(TraceLevel.SEND_RECEIVE, "Sending message (version " + version + ") from " + clientIdent + " to '" + address.getServiceName() + "' with " + ctx.timeout + " seconds timeout.");
    }
    if (hop.getIgnoreResult()) {
        address.getTarget().getJRTTarget().invokeVoid(req);
        if (ctx.trace.shouldTrace(TraceLevel.SEND_RECEIVE)) {
            ctx.trace.trace(TraceLevel.SEND_RECEIVE, "Not waiting for a reply from '" + address.getServiceName() + "'.");
        }
        Reply reply = new EmptyReply();
        reply.getTrace().swap(ctx.trace);
        net.getOwner().deliverReply(reply, recipient);
    } else {
        req.setContext(ctx);
        address.getTarget().getJRTTarget().invokeAsync(req, ctx.timeout, this);
    }
    // allow garbage collection of request parameters
    req.discardParameters();
}

Example 18 with EmptyReply

use of com.yahoo.messagebus.EmptyReply in project vespa by vespa-engine.

the class RPCSendV2 method createReply.

@Override
protected Reply createReply(Values ret, String serviceName, Trace trace) {
    CompressionType compression = CompressionType.valueOf(ret.get(3).asInt8());
    byte[] slimeBytes = compressor.decompress(ret.get(5).asData(), compression, ret.get(4).asInt32());
    Slime slime = BinaryFormat.decode(slimeBytes);
    Inspector root = slime.get();
    Version version = new Version(root.field(VERSION_F).asString());
    byte[] payload = root.field(BLOB_F).asData();
    // Make sure that the owner understands the protocol.
    Reply reply = null;
    Error error = null;
    if (payload.length > 0) {
        Object retval = decode(new Utf8Array(root.field(PROTOCOL_F).asUtf8()), version, payload);
        if (retval instanceof Reply) {
            reply = (Reply) retval;
        } else {
            error = (Error) retval;
        }
    }
    if (reply == null) {
        reply = new EmptyReply();
    }
    if (error != null) {
        reply.addError(error);
    }
    reply.setRetryDelay(root.field(RETRYDELAY_F).asDouble());
    Inspector errors = root.field(ERRORS_F);
    for (int i = 0; i < errors.entries(); i++) {
        Inspector e = errors.entry(i);
        String service = e.field(SERVICE_F).asString();
        reply.addError(new Error((int) e.field(CODE_F).asLong(), e.field(MSG_F).asString(), (service != null && service.length() > 0) ? service : serviceName));
    }
    if (trace.getLevel() > 0) {
        trace.getRoot().addChild(TraceNode.decode(root.field(TRACE_F).asString()));
    }
    return reply;
}

Example 19 with EmptyReply

use of com.yahoo.messagebus.EmptyReply in project vespa by vespa-engine.

the class CustomPolicy method merge.

public void merge(RoutingContext context) {
    List<String> lst = new ArrayList<String>();
    Reply ret = new EmptyReply();
    for (RoutingNodeIterator it = context.getChildIterator(); it.isValid(); it.next()) {
        lst.add(it.getRoute().toString());
        Reply reply = it.getReplyRef();
        for (int i = 0; i < reply.getNumErrors(); ++i) {
            ret.addError(reply.getError(i));
        }
    }
    context.setReply(ret);
    context.trace(1, "Merged " + lst + ".");
}

Example 20 with EmptyReply

use of com.yahoo.messagebus.EmptyReply in project vespa by vespa-engine.

the class RoundRobinPolicy method select.

// Inherit doc from RoutingPolicy.
public void select(RoutingContext ctx) {
    Hop hop = getRecipient(ctx);
    if (hop != null) {
        Route route = new Route(ctx.getRoute());
        route.setHop(0, hop);
        ctx.addChild(route);
    } else {
        Reply reply = new EmptyReply();
        reply.addError(new Error(ErrorCode.NO_ADDRESS_FOR_SERVICE, "None of the configured recipients are currently available."));
        ctx.setReply(reply);
    }
}