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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/storage/persistence/provider_error_wrapper.h>
#include <atomic>
namespace storage {
class StorageComponent;
class MergeThrottler;
/*
* Listener implementation for SPI errors that require action beyond simply
* responding to the command that generated them.
*
* - Fatal errors will trigger a process shutdown.
* - Resource exhaustion errors will trigger merge back-pressure.
*/
class ServiceLayerErrorListener : public ProviderErrorListener {
StorageComponent& _component;
MergeThrottler& _merge_throttler;
std::atomic<bool> _shutdown_initiated;
public:
ServiceLayerErrorListener(StorageComponent& component,
MergeThrottler& merge_throttler) noexcept
: _component(component),
_merge_throttler(merge_throttler),
_shutdown_initiated(false)
{}
void on_fatal_error(vespalib::stringref message) override;
void on_resource_exhaustion_error(vespalib::stringref message) override;
};
}
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