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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 "worker.h"
#include "dropped_tagger.h"
#include <vbench/core/time_queue.h>
#include <vbench/core/dispatcher.h>
#include <vbench/core/handler_thread.h>
#include <mutex>
#include <condition_variable>
namespace vbench {
/**
* Component responsible for dispatching requests to workers at the
* appropriate time based on what start time the requests are tagged
* with.
**/
class RequestScheduler : public Handler<Request>,
public vespalib::Runnable
{
private:
Timer _timer;
HandlerThread<Request> _proxy;
TimeQueue<Request> _queue;
DroppedTagger _droppedTagger;
Dispatcher<Request> _dispatcher;
std::thread _thread;
HttpConnectionPool _connectionPool;
std::vector<Worker::UP> _workers;
std::mutex _lock;
std::condition_variable _cond;
bool _may_slumber;
void run() override;
public:
using UP = std::unique_ptr<RequestScheduler>;
using CryptoEngine = vespalib::CryptoEngine;
RequestScheduler(CryptoEngine::SP crypto, Handler<Request> &next, size_t numWorkers);
void abort();
void handle(Request::UP request) override;
void start();
RequestScheduler &stop();
void join();
};
} // namespace vbench
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