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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Copyright (C) 2016 Red Hat Inc.
*
* Author: J. Eric Ivancich <ivancich@redhat.com>
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version
* 2.1, as published by the Free Software Foundation. See file
* COPYING.
*/
#pragma once
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
#include <signal.h>
#include <sys/time.h>
#include <cmath>
#include <limits>
#include <string>
#include <mutex>
#include <iostream>
#include <functional>
using ClientId = unsigned;
using ServerId = unsigned;
namespace crimson {
namespace qos_simulation {
using Cost = uint32_t;
inline void debugger() {
raise(SIGCONT);
}
template<typename T>
void time_stats(std::mutex& mtx,
T& time_accumulate,
std::function<void()> code) {
auto t1 = std::chrono::steady_clock::now();
code();
auto t2 = std::chrono::steady_clock::now();
auto duration = t2 - t1;
auto cast_duration = std::chrono::duration_cast<T>(duration);
std::lock_guard<std::mutex> lock(mtx);
time_accumulate += cast_duration;
}
// unfortunately it's hard for the compiler to infer the types,
// and therefore when called the template params might have to be
// explicit
template<typename T, typename R>
R time_stats_w_return(std::mutex& mtx,
T& time_accumulate,
std::function<R()> code) {
auto t1 = std::chrono::steady_clock::now();
R result = code();
auto t2 = std::chrono::steady_clock::now();
auto duration = t2 - t1;
auto cast_duration = std::chrono::duration_cast<T>(duration);
std::lock_guard<std::mutex> lock(mtx);
time_accumulate += cast_duration;
return result;
}
template<typename T>
void count_stats(std::mutex& mtx,
T& counter) {
std::lock_guard<std::mutex> lock(mtx);
++counter;
}
struct TestRequest {
ServerId server; // allows debugging
uint32_t epoch;
uint32_t op;
TestRequest(ServerId _server,
uint32_t _epoch,
uint32_t _op) :
server(_server),
epoch(_epoch),
op(_op)
{
// empty
}
TestRequest(const TestRequest& r) :
TestRequest(r.server, r.epoch, r.op)
{
// empty
}
}; // struct TestRequest
struct TestResponse {
uint32_t epoch;
explicit TestResponse(uint32_t _epoch) :
epoch(_epoch)
{
// empty
}
TestResponse(const TestResponse& r) :
epoch(r.epoch)
{
// empty
}
friend std::ostream& operator<<(std::ostream& out, const TestResponse& resp) {
out << "{ ";
out << "epoch:" << resp.epoch;
out << " }";
return out;
}
}; // class TestResponse
}; // namespace qos_simulation
}; // namespace crimson
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