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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 <vector>
#include "queue.h"
#include <vespa/vespalib/util/thread.h>
#include <atomic>
namespace vespalib {
typedef std::vector<void *> MemListImpl;
typedef MemListImpl * MemList;
typedef vespalib::Queue<MemList> MemQueue;
struct RunWithStopFlag {
virtual void run(std::atomic<bool> &stop_flag) = 0;
void start(vespalib::ThreadPool &pool, std::atomic<bool> &stop_flag) {
pool.start([this,&stop_flag](){run(stop_flag);});
}
virtual ~RunWithStopFlag() = default;
};
class Consumer : public RunWithStopFlag {
private:
MemQueue _queue;
bool _inverse;
uint64_t _operations;
virtual void consume(void *) = 0;
public:
Consumer(uint32_t maxQueue, bool inverse);
virtual ~Consumer();
void enqueue(const MemList &mem) { _queue.enqueue(mem); }
void close() { _queue.close(); }
void run(std::atomic<bool> &stop_flag) override;
uint64_t operations() const { return _operations; }
};
class Producer : public RunWithStopFlag {
private:
Consumer & _target;
uint32_t _cnt;
uint64_t _operations;
virtual void * produce() = 0;
public:
Producer(uint32_t cnt, Consumer &target);
virtual ~Producer();
void run(std::atomic<bool> &stop_flag) override;
uint64_t operations() const { return _operations; }
};
class ProducerConsumer : public RunWithStopFlag {
private:
uint32_t _cnt;
bool _inverse;
uint64_t _operationsConsumed;
uint64_t _operationsProduced;
virtual void * produce() = 0;
virtual void consume(void *) = 0;
public:
ProducerConsumer(uint32_t cnt, bool inverse);
virtual ~ProducerConsumer();
void run(std::atomic<bool> &stop_flag) override;
uint64_t operationsConsumed() const { return _operationsConsumed; }
uint64_t operationsProduced() const { return _operationsProduced; }
};
}
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