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mqbc_storagemanager.cpp
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// Copyright 2020-2023 Bloomberg Finance L.P.
// SPDX-License-Identifier: Apache-2.0
//
// Licensed 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.
// mqbc_storagemanager.cpp -*-C++-*-
#include <mqbc_storagemanager.h>
#include <mqbscm_version.h>
// MQB
#include <mqbc_clusterutil.h>
#include <mqbc_recoverymanager.h>
#include <mqbi_storage.h>
#include <mqbnet_cluster.h>
#include <mqbs_storageprintutil.h>
#include <mqbu_exit.h>
// BMQ
#include <bmqp_protocol.h>
#include <bmqp_storagemessageiterator.h>
#include <bmqsys_time.h>
#include <bmqtsk_alarmlog.h>
#include <bmqu_blob.h>
#include <bmqu_blobobjectproxy.h>
#include <bmqu_memoutstream.h>
#include <bmqu_printutil.h>
// BDE
#include <bdlbb_blob.h>
#include <bdlf_bind.h>
#include <bdlf_memfn.h>
#include <bdlf_placeholder.h>
#include <bsl_algorithm.h>
#include <bsls_annotation.h>
#include <bsls_performancehint.h>
namespace BloombergLP {
namespace mqbc {
namespace {
const int k_GC_MESSAGES_INTERVAL_SECONDS = 30;
bool isPrimaryActive(const mqbi::StorageManager_PartitionInfo pinfo)
{
return pinfo.primaryStatus() == bmqp_ctrlmsg::PrimaryStatus::E_ACTIVE;
}
} // close unnamed namespace
// ----------------------------
// class StorageManagerIterator
// ----------------------------
StorageManagerIterator::~StorageManagerIterator()
{
d_manager_p->d_storagesLock.unlock(); // UNLOCK
}
// --------------------
// class StorageManager
// --------------------
// PRIVATE MANIPULATORS
void StorageManager::startRecoveryCb(int partitionId)
{
// executed by *QUEUE_DISPATCHER* thread with the specified 'partitionId'
// PRECONDITIONS
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BSLS_ASSERT_SAFE(d_recoveryManager_mp);
BALL_LOG_INFO_BLOCK
{
StorageUtil::printRecoveryPhaseOneBanner(
BALL_LOG_OUTPUT_STREAM,
d_clusterData_p->identity().description(),
partitionId);
}
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping partition recovery.";
return; // RETURN
}
d_recoveryStartTimes[partitionId] = bmqsys::Time::highResolutionTimer();
}
void StorageManager::sendMessage(const bmqp_ctrlmsg::ControlMessage& message,
mqbnet::ClusterNode* destination)
{
// executed by the *CLUSTER DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(d_dispatcher_p->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(destination);
d_clusterData_p->messageTransmitter().sendMessage(message, destination);
}
void StorageManager::shutdownCb(int partitionId, bslmt::Latch* latch)
{
// executed by *QUEUE_DISPATCHER* thread with the specified 'partitionId'
StorageUtil::shutdown(partitionId,
latch,
&d_fileStores,
d_clusterData_p->identity().description(),
d_clusterConfig);
}
void StorageManager::recoveredQueuesCb(int partitionId,
const QueueKeyInfoMap& queueKeyInfoMap)
{
// executed by *QUEUE_DISPATCHER* thread associated with 'partitionId'
// PRECONDITIONS
BSLS_ASSERT_SAFE(d_fileStores[partitionId]->inDispatcherThread());
const int numPartitions = static_cast<int>(d_fileStores.size());
BSLS_ASSERT_SAFE(0 <= partitionId && partitionId < numPartitions);
BSLS_ASSERT_SAFE(d_numPartitionsRecoveredQueues < numPartitions);
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping partition recovery.";
return; // RETURN
}
// Main logic
StorageUtil::recoveredQueuesCb(&d_storages[partitionId],
&d_storagesLock,
d_fileStores[partitionId].get(),
d_domainFactory_p,
&d_unrecognizedDomainsLock,
&d_unrecognizedDomains[partitionId],
d_clusterData_p->identity().description(),
partitionId,
queueKeyInfoMap,
true); // isCSLMode
if (++d_numPartitionsRecoveredQueues < numPartitions) {
return; // RETURN
}
StorageUtil::dumpUnknownRecoveredDomains(
d_clusterData_p->identity().description(),
&d_unrecognizedDomainsLock,
d_unrecognizedDomains);
}
void StorageManager::onWatchDog(int partitionId)
{
// executed by the *SCHEDULER* thread
dispatcher()->execute(
bdlf::BindUtil::bind(&StorageManager::onWatchDogDispatched,
this,
partitionId),
d_cluster_p);
}
void StorageManager::onWatchDogDispatched(int partitionId)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(partitionId >= 0 &&
partitionId <
d_clusterConfig.partitionConfig().numPartitions());
BMQTSK_ALARMLOG_ALARM("RECOVERY")
<< d_clusterData_p->identity().description() << " Partition ["
<< partitionId
<< "]: " << "Watch dog triggered because partition startup healing "
<< "sequence was not completed in the configured time of "
<< d_watchDogTimeoutInterval.totalSeconds() << " seconds."
<< BMQTSK_ALARMLOG_END;
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
EventData eventDataVec;
eventDataVec.emplace_back(d_clusterData_p->membership().selfNode(),
-1, // placeholder requestId
partitionId,
1);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_WATCH_DOG,
eventDataVec);
}
void StorageManager::onPartitionDoneSendDataChunksCb(
int partitionId,
int requestId,
const PartitionSeqNumDataRange& range,
mqbnet::ClusterNode* destination,
int status)
{
// executed by *QUEUE_DISPATCHER* thread with the specified 'partitionId'
// PRECONDITIONS
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Received status " << status
<< " for sending data chunks from Recovery Manager.";
EventData eventDataVec;
eventDataVec.emplace_back(destination, requestId, partitionId, 1, range);
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
// Note that currently the two FSM events below are no-op if we are the
// primary. As replica, we will send either success or failure
// ReplicaDataResponsePull depending on 'status'. In the future, it might
// no longer be no-op for primary.
if (status != 0) {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_ERROR_SENDING_DATA_CHUNKS,
eventDataVec);
}
else {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_DONE_SENDING_DATA_CHUNKS,
eventDataVec);
}
}
void StorageManager::onPartitionRecovery(int partitionId)
{
// executed by *QUEUE_DISPATCHER* thread associated with 'partitionId'
// PRECONDITIONS
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BSLS_ASSERT_SAFE(d_fileStores[partitionId]->inDispatcherThread());
bmqu::MemOutStream out;
mqbs::StoragePrintUtil::printRecoveredStorages(
out,
&d_storagesLock,
d_storages[partitionId],
partitionId,
d_clusterData_p->identity().description(),
d_recoveryStartTimes[partitionId]);
BALL_LOG_INFO << out.str();
if (++d_numPartitionsRecoveredFully ==
static_cast<int>(d_fileStores.size())) {
// First time healing logic
out.reset();
const bool success =
mqbs::StoragePrintUtil::printStorageRecoveryCompletion(
out,
d_fileStores,
d_clusterData_p->identity().description());
BALL_LOG_INFO << out.str();
if (success) {
// All partitions have opened successfully. Schedule a recurring
// event in StorageMgr, which will in turn enqueue an event in each
// partition's dispatcher thread for GC'ing expired messages as
// well as cleaning history.
d_clusterData_p->scheduler().scheduleRecurringEvent(
&d_gcMessagesEventHandle,
bsls::TimeInterval(k_GC_MESSAGES_INTERVAL_SECONDS),
bdlf::BindUtil::bind(&StorageManager::forceFlushFileStores,
this));
// Even though Cluster FSM and all Partition FSMs are now healed,
// we must check that all partitions have an active primary before
// transitioning ourself to E_AVAILABLE.
if (allPartitionsAvailable()) {
d_recoveryStatusCb(0);
}
}
else {
d_recoveryStatusCb(-1);
}
}
}
void StorageManager::dispatchEventToPartition(mqbs::FileStore* fs,
PartitionFSM::Event::Enum event,
const EventData& eventDataVec)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(fs);
BSLS_ASSERT_SAFE(eventDataVec.size() >= 1);
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << eventDataVec[0].partitionId()
<< "]: Cluster is stopping; skip dispatching Event '"
<< event << "' to Partition FSM.";
return; // RETURN
}
bsl::shared_ptr<bsl::queue<PartitionFSM::EventWithData> > queueSp =
bsl::allocate_shared<bsl::queue<PartitionFSM::EventWithData> >(
d_allocator_p);
// Note that the queueSp lives for the duration of this event and all
// successive events which may be generated as part of performing included
// actions as documented in the state transition table for PartitionFSM.
queueSp->emplace(event, eventDataVec);
fs->execute(bdlf::BindUtil::bind(
&PartitionFSM::applyEvent,
d_partitionFSMVec[eventDataVec[0].partitionId()].get(),
queueSp));
}
void StorageManager::setPrimaryStatusForPartitionDispatched(
int partitionId,
bmqp_ctrlmsg::PrimaryStatus::Value value)
{
// executed by *QUEUE_DISPATCHER* thread associated with 'partitionId'
// PRECONDITIONS
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BSLS_ASSERT_SAFE(d_fileStores[partitionId]->inDispatcherThread());
PartitionInfo& pinfo = d_partitionInfoVec[partitionId];
if (!pinfo.primary()) {
BALL_LOG_ERROR << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Failed to set primary status to " << value
<< "because primary is perceived as ** NULL **";
return; // RETURN
}
BSLS_ASSERT_SAFE(pinfo.primaryLeaseId() > 0);
const bmqp_ctrlmsg::PrimaryStatus::Value oldValue = pinfo.primaryStatus();
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId
<< "]: " << "Setting the status of primary: "
<< pinfo.primary()->nodeDescription()
<< ", primaryLeaseId: " << pinfo.primaryLeaseId()
<< ", from " << oldValue << " to " << value << ".";
pinfo.setPrimaryStatus(value);
if (bmqp_ctrlmsg::PrimaryStatus::E_ACTIVE == value) {
d_fileStores[partitionId]->setActivePrimary(pinfo.primary(),
pinfo.primaryLeaseId());
if (oldValue != bmqp_ctrlmsg::PrimaryStatus::E_ACTIVE &&
allPartitionsAvailable()) {
d_recoveryStatusCb(0);
}
}
}
void StorageManager::processPrimaryDetect(int partitionId,
mqbnet::ClusterNode* primaryNode,
unsigned int primaryLeaseId)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(primaryNode->nodeId() ==
d_clusterData_p->membership().selfNode()->nodeId());
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping self transition to "
<< "Primary to the Partition FSM.";
return; // RETURN
}
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Self Transition to Primary in the Partition FSM.";
EventData eventDataVec;
eventDataVec.emplace_back(d_clusterData_p->membership().selfNode(),
-1, // placeholder requestId
partitionId,
1,
primaryNode,
primaryLeaseId);
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_DETECT_SELF_PRIMARY,
eventDataVec);
}
void StorageManager::processReplicaDetect(int partitionId,
mqbnet::ClusterNode* primaryNode,
unsigned int primaryLeaseId)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(primaryNode->nodeId() !=
d_clusterData_p->membership().selfNode()->nodeId());
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping self transition to "
<< "Replica to the Partition FSM.";
return; // RETURN
}
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Self Transition to Replica in the Partition FSM.";
EventData eventDataVec;
eventDataVec.emplace_back(d_clusterData_p->membership().selfNode(),
-1, // placeholder requestId
partitionId,
1,
primaryNode,
primaryLeaseId);
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_DETECT_SELF_REPLICA,
eventDataVec);
}
void StorageManager::processReplicaDataRequestPull(
const bmqp_ctrlmsg::ControlMessage& message,
mqbnet::ClusterNode* source)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(message.choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(
message.choice().clusterMessage().choice().isPartitionMessageValue());
BSLS_ASSERT_SAFE(message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.isReplicaDataRequestValue());
const bmqp_ctrlmsg::ReplicaDataRequest& replicaDataRequest =
message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaDataRequest();
BSLS_ASSERT_SAFE(replicaDataRequest.replicaDataType() ==
bmqp_ctrlmsg::ReplicaDataType::E_PULL);
const int partitionId = replicaDataRequest.partitionId();
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Received ReplicaDataRequestPull: " << message << " from "
<< source->nodeDescription() << ".";
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "ReplicaDataRequestPull.";
return; // RETURN
}
EventData eventDataVec;
eventDataVec.emplace_back(
source,
message.rId().isNull() ? -1 : message.rId().value(),
partitionId,
1,
PartitionSeqNumDataRange(replicaDataRequest.beginSequenceNumber(),
replicaDataRequest.endSequenceNumber()));
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_REPLICA_DATA_RQST_PULL,
eventDataVec);
}
void StorageManager::processReplicaDataRequestPush(
const bmqp_ctrlmsg::ControlMessage& message,
mqbnet::ClusterNode* source)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(message.choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(
message.choice().clusterMessage().choice().isPartitionMessageValue());
BSLS_ASSERT_SAFE(message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.isReplicaDataRequestValue());
const bmqp_ctrlmsg::ReplicaDataRequest& replicaDataRequest =
message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaDataRequest();
BSLS_ASSERT_SAFE(replicaDataRequest.replicaDataType() ==
bmqp_ctrlmsg::ReplicaDataType::E_PUSH);
const int partitionId = replicaDataRequest.partitionId();
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BSLS_ASSERT_SAFE(
source->nodeId() ==
d_clusterState.partitionsInfo().at(partitionId).primaryNodeId());
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Received ReplicaDataRequestPush: " << message << " from "
<< source->nodeDescription() << ".";
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "ReplicaDataRequestPush.";
return; // RETURN
}
EventData eventDataVec;
eventDataVec.emplace_back(
source,
message.rId().isNull() ? -1 : message.rId().value(),
partitionId,
1,
source,
d_clusterState.partitionsInfo().at(partitionId).primaryLeaseId(),
bmqp_ctrlmsg::PartitionSequenceNumber(),
source,
PartitionSeqNumDataRange(replicaDataRequest.beginSequenceNumber(),
replicaDataRequest.endSequenceNumber()));
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_REPLICA_DATA_RQST_PUSH,
eventDataVec);
}
void StorageManager::processReplicaDataRequestDrop(
const bmqp_ctrlmsg::ControlMessage& message,
mqbnet::ClusterNode* source)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(message.choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(
message.choice().clusterMessage().choice().isPartitionMessageValue());
BSLS_ASSERT_SAFE(message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.isReplicaDataRequestValue());
const bmqp_ctrlmsg::ReplicaDataRequest& replicaDataRequest =
message.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaDataRequest();
BSLS_ASSERT_SAFE(replicaDataRequest.replicaDataType() ==
bmqp_ctrlmsg::ReplicaDataType::E_DROP);
const int partitionId = replicaDataRequest.partitionId();
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
BSLS_ASSERT_SAFE(
source->nodeId() ==
d_clusterState.partitionsInfo().at(partitionId).primaryNodeId());
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Received ReplicaDataRequestDrop: " << message << " from "
<< source->nodeDescription() << ".";
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "ReplicaDataRequestDrop.";
return; // RETURN
}
EventData eventDataVec;
eventDataVec.emplace_back(source,
message.rId().isNull() ? -1
: message.rId().value(),
partitionId,
1);
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
dispatchEventToPartition(fs,
PartitionFSM::Event::e_REPLICA_DATA_RQST_DROP,
eventDataVec);
}
void StorageManager::processPrimaryStateResponseDispatched(
const RequestManagerType::RequestSp& context,
mqbnet::ClusterNode* responder)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(!d_clusterData_p->cluster().isLocal());
BSLS_ASSERT_SAFE(context->response().rId() != NULL);
if (context->request().rId().isNull()) {
BSLS_ASSERT_SAFE(context->response().rId().isNull());
}
else {
BSLS_ASSERT_SAFE(context->request().rId().value() ==
context->response().rId().value());
}
const int responseId = context->response().rId().isNull()
? -1
: context->response().rId().value();
const int partitionId = context->request()
.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.primaryStateRequest()
.partitionId();
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "PrimaryStateResponse.";
return; // RETURN
}
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
if (context->result() != bmqt::GenericResult::e_SUCCESS) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< ": received FAIL_PrmryStateRspn event "
<< context->response() << " from primary "
<< responder->nodeDescription();
EventData eventDataVec;
eventDataVec.emplace_back(responder, responseId, partitionId, 1);
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_FAIL_PRIMARY_STATE_RSPN,
eventDataVec);
return; // RETURN
}
BSLS_ASSERT_SAFE(context->response().choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(context->response()
.choice()
.clusterMessage()
.choice()
.isPartitionMessageValue());
BSLS_ASSERT_SAFE(context->response()
.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.isPrimaryStateResponseValue());
const bmqp_ctrlmsg::PrimaryStateResponse& response =
context->response()
.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.primaryStateResponse();
BSLS_ASSERT_SAFE(response.partitionId() == partitionId);
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< ": received PrimaryStateResponse " << context->response()
<< " from " << responder->nodeDescription();
EventData eventDataVec;
eventDataVec.emplace_back(responder,
responseId,
partitionId,
1,
response.sequenceNumber());
dispatchEventToPartition(fs,
PartitionFSM::Event::e_PRIMARY_STATE_RSPN,
eventDataVec);
}
void StorageManager::processPrimaryStateResponse(
const RequestManagerType::RequestSp& context,
mqbnet::ClusterNode* responder)
{
// executed by *any* thread
// dispatch to the CLUSTER DISPATCHER
d_dispatcher_p->execute(
bdlf::BindUtil::bind(
&StorageManager::processPrimaryStateResponseDispatched,
this,
context,
responder),
d_cluster_p);
}
void StorageManager::processReplicaStateResponseDispatched(
const RequestContextSp& requestContext)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
const NodeResponsePairs& pairs = requestContext->response();
if (d_clusterData_p->cluster().isLocal()) {
BSLS_ASSERT_SAFE(pairs.empty());
return; // RETURN
}
BSLS_ASSERT_SAFE(!pairs.empty());
// Fetch partitionId from request
const int requestPartitionId = requestContext->request()
.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaStateRequest()
.partitionId();
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << requestPartitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "ReplicaStateResponse(s).";
return; // RETURN
}
EventData eventDataVec(d_allocator_p);
EventData failedEventDataVec(d_allocator_p);
for (NodeResponsePairsCIter cit = pairs.cbegin(); cit != pairs.cend();
++cit) {
BSLS_ASSERT_SAFE(cit->first);
if (cit->second.choice().isStatusValue()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << requestPartitionId << "]: "
<< "Received failed ReplicaStateResponse "
<< cit->second.choice().status() << " from "
<< cit->first->nodeDescription()
<< ". Skipping this node's response.";
failedEventDataVec.emplace_back(
cit->first,
cit->second.rId().isNull() ? -1 : cit->second.rId().value(),
requestPartitionId,
1);
continue; // CONTINUE
}
BSLS_ASSERT_SAFE(cit->second.choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(cit->second.choice()
.clusterMessage()
.choice()
.isPartitionMessageValue());
BSLS_ASSERT_SAFE(cit->second.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.isReplicaStateResponseValue());
const int responseId = cit->second.rId().isNull()
? -1
: cit->second.rId().value();
const bmqp_ctrlmsg::ReplicaStateResponse& response =
cit->second.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaStateResponse();
BALL_LOG_INFO << d_clusterData_p->identity().description()
<< " Partition [" << requestPartitionId << "]: "
<< "Received ReplicaStateResponse " << cit->second
<< " from " << cit->first->nodeDescription();
BSLS_ASSERT_SAFE(d_clusterState.partitionsInfo()
.at(response.partitionId())
.primaryNodeId() ==
d_clusterData_p->membership().selfNode()->nodeId());
const unsigned int primaryLeaseId = d_clusterState.partitionsInfo()
.at(response.partitionId())
.primaryLeaseId();
eventDataVec.emplace_back(cit->first,
responseId,
response.partitionId(),
1,
d_clusterData_p->membership().selfNode(),
primaryLeaseId,
response.sequenceNumber());
BSLS_ASSERT_SAFE(requestPartitionId == response.partitionId());
}
mqbs::FileStore* fs = d_fileStores[requestPartitionId].get();
if (eventDataVec.size() > 0) {
dispatchEventToPartition(fs,
PartitionFSM::Event::e_REPLICA_STATE_RSPN,
eventDataVec);
}
if (failedEventDataVec.size() > 0) {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_FAIL_REPLICA_STATE_RSPN,
failedEventDataVec);
}
}
void StorageManager::processReplicaStateResponse(
const RequestContextSp& requestContext)
{
// executed by *any* thread
// dispatch to the CLUSTER DISPATCHER
d_dispatcher_p->execute(
bdlf::BindUtil::bind(
&StorageManager::processReplicaStateResponseDispatched,
this,
requestContext),
d_cluster_p);
}
void StorageManager::processReplicaDataResponseDispatched(
const RequestManagerType::RequestSp& context,
mqbnet::ClusterNode* responder)
{
// executed by the cluster *DISPATCHER* thread
// PRECONDITIONS
BSLS_ASSERT_SAFE(dispatcher()->inDispatcherThread(d_cluster_p));
BSLS_ASSERT_SAFE(!d_clusterData_p->cluster().isLocal());
BSLS_ASSERT_SAFE(context->response().rId() != NULL);
if (context->request().rId().isNull()) {
BSLS_ASSERT_SAFE(context->response().rId().isNull());
}
else {
BSLS_ASSERT_SAFE(context->request().rId().value() ==
context->response().rId().value());
}
const int responseId = context->response().rId().isNull()
? -1
: context->response().rId().value();
const bmqp_ctrlmsg::ReplicaDataRequest& request =
context->request()
.choice()
.clusterMessage()
.choice()
.partitionMessage()
.choice()
.replicaDataRequest();
const int partitionId = request.partitionId();
const bmqp_ctrlmsg::ReplicaDataType::Value& dataType =
request.replicaDataType();
BSLS_ASSERT_SAFE(0 <= partitionId &&
partitionId < static_cast<int>(d_fileStores.size()));
if (d_cluster_p->isStopping()) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< " Partition [" << partitionId << "]: "
<< "Cluster is stopping; skipping processing of "
<< "ReplicaDataResponse.";
return; // RETURN
}
mqbs::FileStore* fs = d_fileStores[partitionId].get();
BSLS_ASSERT_SAFE(fs);
if (context->result() != bmqt::GenericResult::e_SUCCESS) {
BALL_LOG_WARN << d_clusterData_p->identity().description()
<< ": received FAIL_ReplicaDataResponse event "
<< context->response() << " from replica "
<< responder->nodeDescription();
EventData eventDataVec;
eventDataVec.emplace_back(responder, responseId, partitionId, 1);
switch (dataType) {
case bmqp_ctrlmsg::ReplicaDataType::E_UNKNOWN: {
BALL_LOG_ERROR << d_clusterData_p->identity().description()
<< ": FAIL_ReplicaDataResponse has an unknown data "
<< "type, ignoring.";
} break;
case bmqp_ctrlmsg::ReplicaDataType::E_PULL: {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_FAIL_REPLICA_DATA_RSPN_PULL,
eventDataVec);
} break;
case bmqp_ctrlmsg::ReplicaDataType::E_PUSH: {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_FAIL_REPLICA_DATA_RSPN_PUSH,
eventDataVec);
} break;
case bmqp_ctrlmsg::ReplicaDataType::E_DROP: {
dispatchEventToPartition(
fs,
PartitionFSM::Event::e_FAIL_REPLICA_DATA_RSPN_DROP,
eventDataVec);
} break;
}
return; // RETURN
}
BSLS_ASSERT_SAFE(context->response().choice().isClusterMessageValue());
BSLS_ASSERT_SAFE(context->response()
.choice()
.clusterMessage()
.choice()
.isPartitionMessageValue());
BSLS_ASSERT_SAFE(context->response()
.choice()
.clusterMessage()