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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "blockable_maintenance_job.h"
#include "disk_mem_usage_state.h"
#include "imaintenancejobrunner.h"
#include "document_db_maintenance_config.h"
#include "move_operation_limiter.h"
namespace proton {
void
BlockableMaintenanceJob::updateBlocked(const LockGuard &)
{
_blocked = !_blockReasons.empty();
}
void
BlockableMaintenanceJob::internalNotifyDiskMemUsage(const DiskMemUsageState &state)
{
bool resourcesOK = !state.aboveDiskLimit(_resourceLimitFactor) && !state.aboveMemoryLimit(_resourceLimitFactor);
if (resourcesOK) {
if (isBlocked(BlockedReason::RESOURCE_LIMITS)) {
unBlock(BlockedReason::RESOURCE_LIMITS);
}
} else {
setBlocked(BlockedReason::RESOURCE_LIMITS);
}
}
BlockableMaintenanceJob::BlockableMaintenanceJob(const vespalib::string &name,
vespalib::duration delay,
vespalib::duration interval)
: BlockableMaintenanceJob(name, delay, interval, BlockableMaintenanceJobConfig())
{
}
BlockableMaintenanceJob::BlockableMaintenanceJob(const vespalib::string &name,
vespalib::duration delay,
vespalib::duration interval,
const BlockableMaintenanceJobConfig &config)
: IBlockableMaintenanceJob(name, delay, interval),
_mutex(),
_blockReasons(),
_blocked(false),
_runner(nullptr),
_resourceLimitFactor(config.getResourceLimitFactor()),
_moveOpsLimiter(std::make_shared<MoveOperationLimiter>(this, config.getMaxOutstandingMoveOps()))
{
}
BlockableMaintenanceJob::~BlockableMaintenanceJob()
{
dynamic_cast<MoveOperationLimiter &>(*_moveOpsLimiter).clearJob();
}
bool
BlockableMaintenanceJob::isBlocked(BlockedReason reason)
{
LockGuard guard(_mutex);
return (_blockReasons.find(reason) != _blockReasons.end());
}
void
BlockableMaintenanceJob::considerRun()
{
if (_runner && !isBlocked()) {
_runner->run();
}
}
void
BlockableMaintenanceJob::setBlocked(BlockedReason reason)
{
LockGuard guard(_mutex);
_blockReasons.insert(reason);
updateBlocked(guard);
}
void
BlockableMaintenanceJob::unBlock(BlockedReason reason)
{
bool considerRun = false;
{
LockGuard guard(_mutex);
_blockReasons.erase(reason);
updateBlocked(guard);
considerRun = !_blocked;
}
if (_runner && considerRun) {
_runner->run();
}
}
void
BlockableMaintenanceJob::onStop()
{
LockGuard guard(_mutex);
_runner = nullptr;
}
bool
BlockableMaintenanceJob::isBlocked() const
{
LockGuard guard(_mutex);
return _blocked;
}
}
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