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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#include <boost/scoped_ptr.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/program_options/option.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/cmdline.hpp>
#include <boost/program_options/parsers.hpp>
#include <iostream>
#include <set>
#include <sstream>
#include <stdlib.h>
#include <fstream>
#include <iostream>
#include "common/Formatter.h"
#include "bencher.h"
#include "rados_backend.h"
#include "detailed_stat_collector.h"
#include "distribution.h"
#include "global/global_context.h"
#include "global/global_init.h"
#include "common/WorkQueue.h"
#include "common/Semaphore.h"
#include "common/Finisher.h"
namespace po = boost::program_options;
using namespace std;
class Queueable {
public:
virtual void queue(unsigned *) = 0;
virtual void start() = 0;
virtual void stop() = 0;
virtual ~Queueable() {};
};
class Base : public Queueable {
DetailedStatCollector *col;
Semaphore *sem;
public:
Base(DetailedStatCollector *col,
Semaphore *sem) : col(col), sem(sem) {}
void queue(unsigned *item) {
col->read_complete(*item);
sem->Put();
delete item;
}
void start() {}
void stop() {}
};
class WQWrapper : public Queueable {
boost::scoped_ptr<ThreadPool::WorkQueue<unsigned> > wq;
boost::scoped_ptr<ThreadPool> tp;
public:
WQWrapper(ThreadPool::WorkQueue<unsigned> *wq, ThreadPool *tp):
wq(wq), tp(tp) {}
void queue(unsigned *item) { wq->queue(item); }
void start() { tp->start(); }
void stop() { tp->stop(); }
};
class FinisherWrapper : public Queueable {
class CB : public Context {
Queueable *next;
unsigned *item;
public:
CB(Queueable *next, unsigned *item) : next(next), item(item) {}
void finish(int) {
next->queue(item);
}
};
Finisher f;
Queueable *next;
public:
FinisherWrapper(CephContext *cct, Queueable *next) :
f(cct), next(next) {}
void queue(unsigned *item) {
f.queue(new CB(next, item));
}
void start() { f.start(); }
void stop() { f.stop(); }
};
class PassAlong : public ThreadPool::WorkQueue<unsigned> {
Queueable *next;
list<unsigned*> q;
bool _enqueue(unsigned *item) {
q.push_back(item);
return true;
}
void _dequeue(unsigned *item) { assert(0); }
unsigned *_dequeue() {
if (q.empty())
return 0;
unsigned *val = q.front();
q.pop_front();
return val;
}
void _process(unsigned *item) {
next->queue(item);
}
void _clear() { q.clear(); }
bool _empty() { return q.empty(); }
public:
PassAlong(ThreadPool *tp, Queueable *next) :
ThreadPool::WorkQueue<unsigned>("TestQueue", 100, 100, tp), next(next) {}
};
int main(int argc, char **argv)
{
po::options_description desc("Allowed options");
desc.add_options()
("help", "produce help message")
("num-threads", po::value<unsigned>()->default_value(10),
"set number of threads")
("queue-size", po::value<unsigned>()->default_value(30),
"queue size")
("num-items", po::value<unsigned>()->default_value(3000000),
"num items")
("layers", po::value<string>()->default_value(""),
"layer desc")
;
po::variables_map vm;
po::parsed_options parsed =
po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
po::store(
parsed,
vm);
po::notify(vm);
vector<const char *> ceph_options, def_args;
vector<string> ceph_option_strings = po::collect_unrecognized(
parsed.options, po::include_positional);
ceph_options.reserve(ceph_option_strings.size());
for (vector<string>::iterator i = ceph_option_strings.begin();
i != ceph_option_strings.end();
++i) {
ceph_options.push_back(i->c_str());
}
global_init(
&def_args, ceph_options, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
g_ceph_context->_conf->apply_changes(NULL);
if (vm.count("help")) {
cout << desc << std::endl;
return 1;
}
DetailedStatCollector col(1, new JSONFormatter, 0, &cout);
Semaphore sem;
for (unsigned i = 0; i < vm["queue-size"].as<unsigned>(); ++i)
sem.Put();
typedef list<Queueable*> QQ;
QQ wqs;
wqs.push_back(
new Base(&col, &sem));
string layers(vm["layers"].as<string>());
unsigned num = 0;
for (string::reverse_iterator i = layers.rbegin();
i != layers.rend(); ++i) {
stringstream ss;
ss << "Test " << num;
if (*i == 'q') {
ThreadPool *tp =
new ThreadPool(
g_ceph_context, ss.str(), vm["num-threads"].as<unsigned>(), 0);
wqs.push_back(
new WQWrapper(
new PassAlong(tp, wqs.back()),
tp
));
} else if (*i == 'f') {
wqs.push_back(
new FinisherWrapper(
g_ceph_context, wqs.back()));
}
++num;
}
for (QQ::iterator i = wqs.begin();
i != wqs.end();
++i) {
(*i)->start();
}
for (uint64_t i = 0; i < vm["num-items"].as<unsigned>(); ++i) {
sem.Get();
unsigned *item = new unsigned(col.next_seq());
col.start_read(*item, 1);
wqs.back()->queue(item);
}
for (QQ::iterator i = wqs.begin();
i != wqs.end();
++i) {
(*i)->stop();
}
for (QQ::iterator i = wqs.begin(); i != wqs.end(); wqs.erase(i++)) {
delete *i;
}
return 0;
}
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