/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.usergrid.persistence.qakka.distributed.actors;
import akka.actor.UntypedActor;
import com.codahale.metrics.Timer;
import com.google.inject.Inject;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.usergrid.persistence.qakka.MetricsService;
import org.apache.usergrid.persistence.qakka.core.QakkaUtils;
import org.apache.usergrid.persistence.qakka.distributed.DistributedQueueService;
import org.apache.usergrid.persistence.qakka.distributed.messages.QueueAckRequest;
import org.apache.usergrid.persistence.qakka.distributed.messages.QueueAckResponse;
import org.apache.usergrid.persistence.qakka.distributed.messages.QueueWriteRequest;
import org.apache.usergrid.persistence.qakka.distributed.messages.QueueWriteResponse;
import org.apache.usergrid.persistence.qakka.serialization.auditlog.AuditLog;
import org.apache.usergrid.persistence.qakka.serialization.auditlog.AuditLogSerialization;
import org.apache.usergrid.persistence.qakka.serialization.queuemessages.DatabaseQueueMessage;
import org.apache.usergrid.persistence.qakka.serialization.queuemessages.QueueMessageSerialization;
import org.apache.usergrid.persistence.qakka.serialization.transferlog.TransferLogSerialization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.UUID;
public class QueueWriter extends UntypedActor {
private static final Logger logger = LoggerFactory.getLogger( QueueWriter.class );
public enum WriteStatus { SUCCESS_XFERLOG_DELETED, SUCCESS_XFERLOG_NOTDELETED, ERROR };
private final String name = RandomStringUtils.randomAlphanumeric( 4 );
private final QueueMessageSerialization messageSerialization;
private final TransferLogSerialization transferLogSerialization;
private final AuditLogSerialization auditLogSerialization;
private final MetricsService metricsService;
private final QueueActorHelper queueActorHelper;
@Inject
public QueueWriter(
QueueMessageSerialization messageSerialization,
TransferLogSerialization transferLogSerialization,
AuditLogSerialization auditLogSerialization,
MetricsService metricsService,
QueueActorHelper queueActorHelper
) {
this.messageSerialization = messageSerialization;
this.transferLogSerialization = transferLogSerialization;
this.auditLogSerialization = auditLogSerialization;
this.metricsService = metricsService;
this.queueActorHelper = queueActorHelper;
}
@Override
public void onReceive(Object message) {
if (message instanceof QueueWriteRequest) {
Timer.Context timer = metricsService.getMetricRegistry().timer( MetricsService.SEND_TIME_WRITE ).time();
try {
QueueWriteRequest qa = (QueueWriteRequest) message;
UUID queueMessageId = QakkaUtils.getTimeUuid();
// TODO: implement deliveryTime and expirationTime
DatabaseQueueMessage dbqm = null;
long currentTime = System.currentTimeMillis();
String queueName = qa.getQueueName();
try {
dbqm = new DatabaseQueueMessage(
qa.getMessageId(),
DatabaseQueueMessage.Type.DEFAULT,
qa.getQueueName(),
qa.getDestRegion(),
null,
currentTime,
-1L,
queueMessageId );
messageSerialization.writeMessage( dbqm );
logger.trace("{}: Wrote queue message id {} to queue name {}",
name, dbqm.getQueueMessageId(), dbqm.getQueueName());
} catch (Throwable t) {
logger.debug("Error creating database queue message", t);
auditLogSerialization.recordAuditLog(
AuditLog.Action.SEND,
AuditLog.Status.ERROR,
qa.getQueueName(),
qa.getDestRegion(),
qa.getMessageId(),
dbqm.getMessageId() );
getSender().tell( new QueueWriteResponse(
QueueWriter.WriteStatus.ERROR, queueName ), getSender() );
return;
}
auditLogSerialization.recordAuditLog(
AuditLog.Action.SEND,
AuditLog.Status.SUCCESS,
qa.getQueueName(),
qa.getDestRegion(),
qa.getMessageId(),
dbqm.getQueueMessageId() );
try {
transferLogSerialization.removeTransferLog(
qa.getQueueName(),
qa.getSourceRegion(),
qa.getDestRegion(),
qa.getMessageId() );
getSender().tell( new QueueWriteResponse(
QueueWriter.WriteStatus.SUCCESS_XFERLOG_DELETED, queueName ), getSender() );
} catch (Throwable e) {
logger.debug( "Unable to delete transfer log for {} {} {} {}",
qa.getQueueName(),
qa.getSourceRegion(),
qa.getDestRegion(),
qa.getMessageId() );
logger.debug("Error deleting transferlog", e);
getSender().tell( new QueueWriteResponse(
QueueWriter.WriteStatus.SUCCESS_XFERLOG_NOTDELETED, queueName ), getSender() );
}
} finally {
timer.close();
}
} else if ( message instanceof QueueAckRequest ){
Timer.Context timer = metricsService.getMetricRegistry().timer( MetricsService.ACK_TIME_ACK ).time();
try {
QueueAckRequest queueAckRequest = (QueueAckRequest) message;
if ( logger.isTraceEnabled() ){
logger.trace("Receive QueueAckRequest for message with id: {}", queueAckRequest.getQueueMessageId() );
}
DistributedQueueService.Status status = queueActorHelper.ackQueueMessage(
queueAckRequest.getQueueName(),
queueAckRequest.getQueueMessageId() );
getSender().tell( new QueueAckResponse(
queueAckRequest.getQueueName(),
queueAckRequest.getQueueMessageId(),
status ), getSender() );
} finally {
timer.close();
}
} else {
unhandled( message );
}
}
}