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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "setbucketstateoperation.h"
#include <vespa/storage/distributor/idealstatemanager.h>
#include <vespa/log/log.h>
LOG_SETUP(".distributor.operation.idealstate.setactive");
namespace storage::distributor {
SetBucketStateOperation::SetBucketStateOperation(const std::string& clusterName,
const BucketAndNodes& nodes,
const std::vector<uint16_t>& wantedActiveNodes)
: IdealStateOperation(nodes),
_tracker(clusterName),
_wantedActiveNodes(wantedActiveNodes)
{ }
SetBucketStateOperation::~SetBucketStateOperation() {}
void
SetBucketStateOperation::enqueueSetBucketStateCommand(uint16_t node, bool active) {
std::shared_ptr<api::SetBucketStateCommand> msg(
new api::SetBucketStateCommand(
getBucket(),
active
? api::SetBucketStateCommand::ACTIVE
: api::SetBucketStateCommand::INACTIVE));
LOG(debug, "Enqueuing %s for %s to node %u",
active ? "Activate" : "Deactivate",
getBucketId().toString().c_str(),
node);
setCommandMeta(*msg);
_tracker.queueCommand(msg, node);
}
bool
SetBucketStateOperation::shouldBeActive(uint16_t node) const
{
for (uint32_t i=0, n=_wantedActiveNodes.size(); i<n; ++i) {
if (_wantedActiveNodes[i] == node) return true;
}
return false;
}
void
SetBucketStateOperation::activateNode(DistributorMessageSender& sender) {
for (uint32_t i=0; i<_wantedActiveNodes.size(); ++i) {
enqueueSetBucketStateCommand(_wantedActiveNodes[i], true);
}
_tracker.flushQueue(sender);
_ok = true;
}
void
SetBucketStateOperation::deactivateNodes(DistributorMessageSender& sender) {
const std::vector<uint16_t>& nodes(getNodes());
for (size_t i = 0; i < nodes.size(); ++i) {
if (!shouldBeActive(nodes[i])) {
enqueueSetBucketStateCommand(nodes[i], false);
}
}
_tracker.flushQueue(sender);
}
void
SetBucketStateOperation::onStart(DistributorMessageSender& sender)
{
activateNode(sender);
}
void
SetBucketStateOperation::onReceive(DistributorMessageSender& sender,
const std::shared_ptr<api::StorageReply>& reply)
{
api::SetBucketStateReply& rep(
static_cast<api::SetBucketStateReply&>(*reply));
const uint16_t node = _tracker.handleReply(rep);
LOG(debug, "Got %s from node %u", reply->toString(true).c_str(), node);
bool deactivate = false;
if (reply->getResult().success()) {
BucketDatabase::Entry entry =
_manager->getDistributorComponent().getBucketDatabase().get(rep.getBucketId());
if (entry.valid()) {
const BucketCopy* copy = entry->getNode(node);
if (copy) {
api::BucketInfo bInfo = copy->getBucketInfo();
if (shouldBeActive(node)) {
bInfo.setActive(true);
deactivate = true;
} else {
bInfo.setActive(false);
}
entry->updateNode(
BucketCopy(_manager->getDistributorComponent().getUniqueTimestamp(),
node,
bInfo).setTrusted(copy->trusted()));
_manager->getDistributorComponent().getBucketDatabase().update(entry);
}
} else {
LOG(debug, "%s did not exist when receiving %s",
rep.getBucketId().toString().c_str(),
rep.toString(true).c_str());
}
} else {
LOG(debug, "Failed setting state for %s on node %u: %s",
rep.getBucketId().toString().c_str(),
node,
reply->getResult().toString().c_str());
_ok = false;
}
if (deactivate) {
deactivateNodes(sender);
}
if (_tracker.finished()) {
done();
}
}
}
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