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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2015 Haomai Wang
*
* Author: Haomai Wang <haomaiwang@gmail.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.
*
*/
#include <stdlib.h>
#include <stdint.h>
#include <string>
#include <unistd.h>
#include <iostream>
using namespace std;
#include "common/ceph_argparse.h"
#include "common/debug.h"
#include "common/Cycles.h"
#include "global/global_init.h"
#include "msg/Messenger.h"
#include "messages/MOSDOp.h"
#include "auth/DummyAuth.h"
#include <atomic>
class MessengerClient {
class ClientThread;
class ClientDispatcher : public Dispatcher {
uint64_t think_time;
ClientThread *thread;
public:
ClientDispatcher(uint64_t delay, ClientThread *t): Dispatcher(g_ceph_context), think_time(delay), thread(t) {}
bool ms_can_fast_dispatch_any() const override { return true; }
bool ms_can_fast_dispatch(const Message *m) const override {
switch (m->get_type()) {
case CEPH_MSG_OSD_OPREPLY:
return true;
default:
return false;
}
}
void ms_handle_fast_connect(Connection *con) override {}
void ms_handle_fast_accept(Connection *con) override {}
bool ms_dispatch(Message *m) override { return true; }
void ms_fast_dispatch(Message *m) override;
bool ms_handle_reset(Connection *con) override { return true; }
void ms_handle_remote_reset(Connection *con) override {}
bool ms_handle_refused(Connection *con) override { return false; }
int ms_handle_fast_authentication(Connection *con) override {
return 1;
}
};
class ClientThread : public Thread {
Messenger *msgr;
int concurrent;
ConnectionRef conn;
std::atomic<unsigned> client_inc = { 0 };
object_t oid;
object_locator_t oloc;
pg_t pgid;
int msg_len;
bufferlist data;
int ops;
ClientDispatcher dispatcher;
public:
ceph::mutex lock = ceph::make_mutex("MessengerBenchmark::ClientThread::lock");
ceph::condition_variable cond;
uint64_t inflight;
ClientThread(Messenger *m, int c, ConnectionRef con, int len, int ops, int think_time_us):
msgr(m), concurrent(c), conn(con), oid("object-name"), oloc(1, 1), msg_len(len), ops(ops),
dispatcher(think_time_us, this), inflight(0) {
m->add_dispatcher_head(&dispatcher);
bufferptr ptr(msg_len);
memset(ptr.c_str(), 0, msg_len);
data.append(ptr);
}
void *entry() override {
std::unique_lock locker{lock};
for (int i = 0; i < ops; ++i) {
if (inflight > uint64_t(concurrent)) {
cond.wait(locker);
}
hobject_t hobj(oid, oloc.key, CEPH_NOSNAP, pgid.ps(), pgid.pool(),
oloc.nspace);
spg_t spgid(pgid);
MOSDOp *m = new MOSDOp(client_inc, 0, hobj, spgid, 0, 0, 0);
bufferlist msg_data(data);
m->write(0, msg_len, msg_data);
inflight++;
conn->send_message(m);
//cerr << __func__ << " send m=" << m << std::endl;
}
locker.unlock();
msgr->shutdown();
return 0;
}
};
string type;
string serveraddr;
int think_time_us;
vector<Messenger*> msgrs;
vector<ClientThread*> clients;
DummyAuthClientServer dummy_auth;
public:
MessengerClient(const string &t, const string &addr, int delay):
type(t), serveraddr(addr), think_time_us(delay),
dummy_auth(g_ceph_context) {
}
~MessengerClient() {
for (uint64_t i = 0; i < clients.size(); ++i)
delete clients[i];
for (uint64_t i = 0; i < msgrs.size(); ++i) {
msgrs[i]->shutdown();
msgrs[i]->wait();
}
}
void ready(int c, int jobs, int ops, int msg_len) {
entity_addr_t addr;
addr.parse(serveraddr.c_str());
addr.set_nonce(0);
dummy_auth.auth_registry.refresh_config();
for (int i = 0; i < jobs; ++i) {
Messenger *msgr = Messenger::create(g_ceph_context, type, entity_name_t::CLIENT(0), "client", getpid()+i);
msgr->set_default_policy(Messenger::Policy::lossless_client(0));
msgr->set_auth_client(&dummy_auth);
msgr->start();
entity_addrvec_t addrs(addr);
ConnectionRef conn = msgr->connect_to_osd(addrs);
ClientThread *t = new ClientThread(msgr, c, conn, msg_len, ops, think_time_us);
msgrs.push_back(msgr);
clients.push_back(t);
}
usleep(1000*1000);
}
void start() {
for (uint64_t i = 0; i < clients.size(); ++i)
clients[i]->create("client");
for (uint64_t i = 0; i < msgrs.size(); ++i)
msgrs[i]->wait();
}
};
void MessengerClient::ClientDispatcher::ms_fast_dispatch(Message *m) {
usleep(think_time);
m->put();
std::lock_guard l{thread->lock};
thread->inflight--;
thread->cond.notify_all();
}
void usage(const string &name) {
cout << "Usage: " << name << " [server ip:port] [numjobs] [concurrency] [ios] [thinktime us] [msg length]" << std::endl;
cout << " [server ip:port]: connect to the ip:port pair" << std::endl;
cout << " [numjobs]: how much client threads spawned and do benchmark" << std::endl;
cout << " [concurrency]: the max inflight messages(like iodepth in fio)" << std::endl;
cout << " [ios]: how much messages sent for each client" << std::endl;
cout << " [thinktime]: sleep time when do fast dispatching(match client logic)" << std::endl;
cout << " [msg length]: message data bytes" << std::endl;
}
int main(int argc, char **argv)
{
auto args = argv_to_vec(argc, argv);
auto cct = global_init(NULL, args, 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(nullptr);
if (args.size() < 6) {
usage(argv[0]);
return 1;
}
int numjobs = atoi(args[1]);
int concurrent = atoi(args[2]);
int ios = atoi(args[3]);
int think_time = atoi(args[4]);
int len = atoi(args[5]);
std::string public_msgr_type = g_ceph_context->_conf->ms_public_type.empty() ? g_ceph_context->_conf.get_val<std::string>("ms_type") : g_ceph_context->_conf->ms_public_type;
cout << " using ms-public-type " << public_msgr_type << std::endl;
cout << " server ip:port " << args[0] << std::endl;
cout << " numjobs " << numjobs << std::endl;
cout << " concurrency " << concurrent << std::endl;
cout << " ios " << ios << std::endl;
cout << " thinktime(us) " << think_time << std::endl;
cout << " message data bytes " << len << std::endl;
MessengerClient client(public_msgr_type, args[0], think_time);
client.ready(concurrent, numjobs, ios, len);
Cycles::init();
uint64_t start = Cycles::rdtsc();
client.start();
uint64_t stop = Cycles::rdtsc();
cout << " Total op " << (ios * numjobs) << " run time " << Cycles::to_microseconds(stop - start) << "us." << std::endl;
return 0;
}
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