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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 <atomic>
#include <memory>
namespace search::bmcluster {
class BucketInfoQueue;
/*
* Class to track number of pending operations, used as backpressure during
* benchmark feeding.
*/
class PendingTracker {
std::atomic<uint32_t> _pending;
uint32_t _limit;
std::unique_ptr<BucketInfoQueue> _bucket_info_queue;
public:
PendingTracker(uint32_t limit);
~PendingTracker();
void release() {
_pending--;
}
void retain();
void drain();
void attach_bucket_info_queue(std::atomic<uint32_t>& errors);
BucketInfoQueue *get_bucket_info_queue() { return _bucket_info_queue.get(); }
};
}
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