X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Fmon%2Ftest_mon_workloadgen.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Fmon%2Ftest_mon_workloadgen.cc;h=5984a26aa936308a0a0d3278c4371b73995300ae;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/test/mon/test_mon_workloadgen.cc b/src/ceph/src/test/mon/test_mon_workloadgen.cc new file mode 100644 index 0000000..5984a26 --- /dev/null +++ b/src/ceph/src/test/mon/test_mon_workloadgen.cc @@ -0,0 +1,1111 @@ +// -*- 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) 2004-2006 Sage Weil + * + * 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 "acconfig.h" + +#ifdef HAVE_SYS_MOUNT_H +#include +#endif + +#ifdef HAVE_SYS_PARAM_H +#include +#endif + +#include +#include +#include + +#include +#include +#include + + +#include "osd/osd_types.h" +#include "osd/OSD.h" +#include "osdc/Objecter.h" +#include "mon/MonClient.h" +#include "msg/Dispatcher.h" +#include "msg/Messenger.h" +#include "common/Timer.h" +#include "common/ceph_argparse.h" +#include "global/global_init.h" +#include "global/signal_handler.h" +#include "common/config.h" +#include "common/debug.h" +#include "common/errno.h" +#include "common/Cond.h" +#include "common/Mutex.h" +#include "common/strtol.h" +#include "common/LogEntry.h" +#include "auth/KeyRing.h" +#include "auth/AuthAuthorizeHandler.h" +#include "include/uuid.h" +#include "include/assert.h" + +#include "messages/MOSDBoot.h" +#include "messages/MOSDAlive.h" +#include "messages/MOSDPGCreate.h" +#include "messages/MOSDPGRemove.h" +#include "messages/MOSDMap.h" +#include "messages/MPGStats.h" +#include "messages/MLog.h" +#include "messages/MOSDPGTemp.h" + +using namespace std; + +#define dout_context g_ceph_context +#define dout_subsys ceph_subsys_ +#undef dout_prefix +#define dout_prefix _prefix(_dout, get_name()) +static ostream& _prefix(std::ostream *_dout, string n) { + return *_dout << " stub(" << n << ") "; +} + + +typedef boost::mt11213b rngen_t; +typedef boost::scoped_ptr MessengerRef; +typedef boost::scoped_ptr ObjecterRef; + +class TestStub : public Dispatcher +{ + protected: + MessengerRef messenger; + MonClient monc; + + Mutex lock; + Cond cond; + SafeTimer timer; + + bool do_shutdown; + double tick_seconds; + + struct C_Tick : public Context { + TestStub *s; + explicit C_Tick(TestStub *stub) : s(stub) {} + void finish(int r) override { + generic_dout(20) << "C_Tick::" << __func__ << dendl; + if (r == -ECANCELED) { + generic_dout(20) << "C_Tick::" << __func__ + << " shutdown" << dendl; + return; + } + s->tick(); + } + }; + + bool ms_dispatch(Message *m) override = 0; + void ms_handle_connect(Connection *con) override = 0; + void ms_handle_remote_reset(Connection *con) override = 0; + virtual int _shutdown() = 0; + // courtesy method to be implemented by the stubs at their + // own discretion + virtual void _tick() { } + // different stubs may have different needs; if a stub needs + // to tick, then it must call this function. + void start_ticking(double t=1.0) { + tick_seconds = t; + if (t <= 0) { + stop_ticking(); + return; + } + dout(20) << __func__ << " adding tick timer" << dendl; + timer.add_event_after(tick_seconds, new C_Tick(this)); + } + // If we have a function to start ticking that the stubs can + // use at their own discretion, then we should also have a + // function to disable said ticking to be used the same way. + // Just in case. + // For simplicity's sake, we don't cancel the tick right off + // the bat; instead, we wait for the next tick to kick in and + // disable itself. + void stop_ticking() { + dout(20) << __func__ << " disable tick" << dendl; + tick_seconds = 0; + } + + public: + void tick() { + std::cout << __func__ << std::endl; + if (do_shutdown || (tick_seconds <= 0)) { + std::cout << __func__ << " " + << (do_shutdown ? "shutdown" : "stop ticking") + << std::endl; + return; + } + _tick(); + timer.add_event_after(tick_seconds, new C_Tick(this)); + } + + virtual const string get_name() = 0; + virtual int init() = 0; + + virtual int shutdown() { + Mutex::Locker l(lock); + do_shutdown = true; + int r = _shutdown(); + if (r < 0) { + dout(10) << __func__ << " error shutting down: " + << cpp_strerror(-r) << dendl; + return r; + } + monc.shutdown(); + timer.shutdown(); + messenger->shutdown(); + return 0; + } + + virtual void print(ostream &out) { + out << "stub(" << get_name() << ")"; + } + + void wait() { + if (messenger != NULL) + messenger->wait(); + } + + TestStub(CephContext *cct, string who) + : Dispatcher(cct), + monc(cct), + lock(who.append("::lock").c_str()), + timer(cct, lock), + do_shutdown(false), + tick_seconds(0.0) { } +}; + +class ClientStub : public TestStub +{ + ObjecterRef objecter; + rngen_t gen; + + protected: + bool ms_dispatch(Message *m) override { + Mutex::Locker l(lock); + dout(1) << "client::" << __func__ << " " << *m << dendl; + switch (m->get_type()) { + case CEPH_MSG_OSD_MAP: + objecter->handle_osd_map((MOSDMap*)m); + cond.Signal(); + break; + } + return true; + } + + void ms_handle_connect(Connection *con) override { + dout(1) << "client::" << __func__ << " " << con << dendl; + Mutex::Locker l(lock); + objecter->ms_handle_connect(con); + } + + void ms_handle_remote_reset(Connection *con) override { + dout(1) << "client::" << __func__ << " " << con << dendl; + Mutex::Locker l(lock); + objecter->ms_handle_remote_reset(con); + } + + bool ms_handle_reset(Connection *con) override { + dout(1) << "client::" << __func__ << dendl; + Mutex::Locker l(lock); + objecter->ms_handle_reset(con); + return false; + } + + bool ms_handle_refused(Connection *con) override { + return false; + } + + const string get_name() override { + return "client"; + } + + int _shutdown() override { + if (objecter) { + objecter->shutdown(); + } + return 0; + } + + public: + explicit ClientStub(CephContext *cct) + : TestStub(cct, "client"), + gen((int) time(NULL)) + { } + + int init() override { + int err; + err = monc.build_initial_monmap(); + if (err < 0) { + derr << "ClientStub::" << __func__ << " ERROR: build initial monmap: " + << cpp_strerror(err) << dendl; + return err; + } + + messenger.reset(Messenger::create_client_messenger(cct, "stubclient")); + assert(messenger.get() != NULL); + + messenger->set_default_policy( + Messenger::Policy::lossy_client(CEPH_FEATURE_OSDREPLYMUX)); + dout(10) << "ClientStub::" << __func__ << " starting messenger at " + << messenger->get_myaddr() << dendl; + + objecter.reset(new Objecter(cct, messenger.get(), &monc, NULL, 0, 0)); + assert(objecter.get() != NULL); + objecter->set_balanced_budget(); + + monc.set_messenger(messenger.get()); + objecter->init(); + messenger->add_dispatcher_head(this); + messenger->start(); + monc.set_want_keys(CEPH_ENTITY_TYPE_MON|CEPH_ENTITY_TYPE_OSD); + + err = monc.init(); + if (err < 0) { + derr << "ClientStub::" << __func__ << " monc init error: " + << cpp_strerror(-err) << dendl; + return err; + } + + err = monc.authenticate(); + if (err < 0) { + derr << "ClientStub::" << __func__ << " monc authenticate error: " + << cpp_strerror(-err) << dendl; + monc.shutdown(); + return err; + } + monc.wait_auth_rotating(30.0); + + objecter->set_client_incarnation(0); + objecter->start(); + + lock.Lock(); + timer.init(); + monc.renew_subs(); + + lock.Unlock(); + + objecter->wait_for_osd_map(); + + dout(10) << "ClientStub::" << __func__ << " done" << dendl; + return 0; + } +}; + +typedef boost::scoped_ptr AuthHandlerRef; +class OSDStub : public TestStub +{ + AuthHandlerRef auth_handler_registry; + int whoami; + OSDSuperblock sb; + OSDMap osdmap; + osd_stat_t osd_stat; + + map pgs; + set pgs_changes; + + rngen_t gen; + boost::uniform_int<> mon_osd_rng; + + utime_t last_boot_attempt; + static const double STUB_BOOT_INTERVAL; + + + public: + + enum { + STUB_MON_OSD_ALIVE = 1, + STUB_MON_OSD_PGTEMP = 2, + STUB_MON_OSD_FAILURE = 3, + STUB_MON_OSD_PGSTATS = 4, + STUB_MON_LOG = 5, + + STUB_MON_OSD_FIRST = STUB_MON_OSD_ALIVE, + STUB_MON_OSD_LAST = STUB_MON_LOG, + }; + + struct C_CreatePGs : public Context { + OSDStub *s; + explicit C_CreatePGs(OSDStub *stub) : s(stub) {} + void finish(int r) override { + if (r == -ECANCELED) { + generic_dout(20) << "C_CreatePGs::" << __func__ + << " shutdown" << dendl; + return; + } + generic_dout(20) << "C_CreatePGs::" << __func__ << dendl; + s->auto_create_pgs(); + } + }; + + + OSDStub(int _whoami, CephContext *cct) + : TestStub(cct, "osd"), + auth_handler_registry(new AuthAuthorizeHandlerRegistry( + cct, + cct->_conf->auth_cluster_required.length() ? + cct->_conf->auth_cluster_required : + cct->_conf->auth_supported)), + whoami(_whoami), + gen(whoami), + mon_osd_rng(STUB_MON_OSD_FIRST, STUB_MON_OSD_LAST) + { + dout(20) << __func__ << " auth supported: " + << cct->_conf->auth_supported << dendl; + stringstream ss; + ss << "client-osd" << whoami; + std::string public_msgr_type = cct->_conf->ms_public_type.empty() ? cct->_conf->get_val("ms_type") : cct->_conf->ms_public_type; + messenger.reset(Messenger::create(cct, public_msgr_type, entity_name_t::OSD(whoami), + ss.str().c_str(), getpid(), 0)); + + Throttle throttler(g_ceph_context, "osd_client_bytes", + g_conf->osd_client_message_size_cap); + + messenger->set_default_policy( + Messenger::Policy::stateless_server(0)); + messenger->set_policy_throttlers(entity_name_t::TYPE_CLIENT, + &throttler, NULL); + messenger->set_policy(entity_name_t::TYPE_MON, + Messenger::Policy::lossy_client( + CEPH_FEATURE_UID | + CEPH_FEATURE_PGID64 | + CEPH_FEATURE_OSDENC)); + messenger->set_policy(entity_name_t::TYPE_OSD, + Messenger::Policy::stateless_server(0)); + + dout(10) << __func__ << " public addr " << g_conf->public_addr << dendl; + int err = messenger->bind(g_conf->public_addr); + if (err < 0) + exit(1); + + if (monc.build_initial_monmap() < 0) + exit(1); + + messenger->start(); + monc.set_messenger(messenger.get()); + } + + int init() override { + dout(10) << __func__ << dendl; + Mutex::Locker l(lock); + + dout(1) << __func__ << " fsid " << monc.monmap.fsid + << " osd_fsid " << g_conf->osd_uuid << dendl; + dout(1) << __func__ << " name " << g_conf->name << dendl; + + timer.init(); + messenger->add_dispatcher_head(this); + monc.set_want_keys(CEPH_ENTITY_TYPE_MON | CEPH_ENTITY_TYPE_OSD); + + int err = monc.init(); + if (err < 0) { + derr << __func__ << " monc init error: " + << cpp_strerror(-err) << dendl; + return err; + } + + err = monc.authenticate(); + if (err < 0) { + derr << __func__ << " monc authenticate error: " + << cpp_strerror(-err) << dendl; + monc.shutdown(); + return err; + } + assert(!monc.get_fsid().is_zero()); + + monc.wait_auth_rotating(30.0); + + + dout(10) << __func__ << " creating osd superblock" << dendl; + sb.cluster_fsid = monc.monmap.fsid; + sb.osd_fsid.generate_random(); + sb.whoami = whoami; + sb.compat_features = CompatSet(); + dout(20) << __func__ << " " << sb << dendl; + dout(20) << __func__ << " osdmap " << osdmap << dendl; + + update_osd_stat(); + + start_ticking(); + // give a chance to the mons to inform us of what PGs we should create + timer.add_event_after(30.0, new C_CreatePGs(this)); + + return 0; + } + + int _shutdown() override { + + return 0; + } + + void boot() { + dout(1) << __func__ << " boot?" << dendl; + + utime_t now = ceph_clock_now(); + if ((last_boot_attempt > 0.0) + && ((now - last_boot_attempt)) <= STUB_BOOT_INTERVAL) { + dout(1) << __func__ << " backoff and try again later." << dendl; + return; + } + + dout(1) << __func__ << " boot!" << dendl; + MOSDBoot *mboot = new MOSDBoot; + mboot->sb = sb; + last_boot_attempt = now; + monc.send_mon_message(mboot); + } + + void add_pg(pg_t pgid, epoch_t epoch, pg_t parent) { + + utime_t now = ceph_clock_now(); + + pg_stat_t s; + s.created = epoch; + s.last_epoch_clean = epoch; + s.parent = parent; + s.state |= PG_STATE_CLEAN | PG_STATE_ACTIVE; + s.last_fresh = now; + s.last_change = now; + s.last_clean = now; + s.last_active = now; + s.last_unstale = now; + + pgs[pgid] = s; + pgs_changes.insert(pgid); + } + + void auto_create_pgs() { + bool has_pgs = !pgs.empty(); + dout(10) << __func__ + << ": " << (has_pgs ? "has pgs; ignore" : "create pgs") << dendl; + if (has_pgs) + return; + + if (!osdmap.get_epoch()) { + dout(1) << __func__ + << " still don't have osdmap; reschedule pg creation" << dendl; + timer.add_event_after(10.0, new C_CreatePGs(this)); + return; + } + + auto& osdmap_pools = osdmap.get_pools(); + for (auto pit = osdmap_pools.begin(); pit != osdmap_pools.end(); ++pit) { + const int64_t pool_id = pit->first; + const pg_pool_t &pool = pit->second; + int ruleno = pool.get_crush_rule(); + + if (!osdmap.crush->rule_exists(ruleno)) { + dout(20) << __func__ + << " no crush rule for pool id " << pool_id + << " rule no " << ruleno << dendl; + continue; + } + + epoch_t pool_epoch = pool.get_last_change(); + dout(20) << __func__ + << " pool num pgs " << pool.get_pg_num() + << " epoch " << pool_epoch << dendl; + + for (ps_t ps = 0; ps < pool.get_pg_num(); ++ps) { + pg_t pgid(ps, pool_id, -1); + pg_t parent; + dout(20) << __func__ + << " pgid " << pgid << " parent " << parent << dendl; + add_pg(pgid, pool_epoch, parent); + } + } + } + + void update_osd_stat() { + struct statfs stbuf; + int ret = statfs(".", &stbuf); + if (ret < 0) { + ret = -errno; + dout(0) << __func__ + << " cannot statfs ." << cpp_strerror(ret) << dendl; + return; + } + + osd_stat.kb = stbuf.f_blocks * stbuf.f_bsize / 1024; + osd_stat.kb_used = (stbuf.f_blocks - stbuf.f_bfree) * stbuf.f_bsize / 1024; + osd_stat.kb_avail = stbuf.f_bavail * stbuf.f_bsize / 1024; + } + + void send_pg_stats() { + dout(10) << __func__ + << " pgs " << pgs.size() << " osdmap " << osdmap << dendl; + utime_t now = ceph_clock_now(); + MPGStats *mstats = new MPGStats(monc.get_fsid(), osdmap.get_epoch(), now); + + mstats->set_tid(1); + mstats->osd_stat = osd_stat; + + set::iterator it; + for (it = pgs_changes.begin(); it != pgs_changes.end(); ++it) { + pg_t pgid = (*it); + if (pgs.count(pgid) == 0) { + derr << __func__ + << " pgid " << pgid << " not on our map" << dendl; + assert(0 == "pgid not on our map"); + } + pg_stat_t &s = pgs[pgid]; + mstats->pg_stat[pgid] = s; + + JSONFormatter f(true); + s.dump(&f); + dout(20) << __func__ + << " pg " << pgid << " stats:\n"; + f.flush(*_dout); + *_dout << dendl; + + } + dout(10) << __func__ << " send " << *mstats << dendl; + monc.send_mon_message(mstats); + } + + void modify_pg(pg_t pgid) { + dout(10) << __func__ << " pg " << pgid << dendl; + assert(pgs.count(pgid) > 0); + + pg_stat_t &s = pgs[pgid]; + utime_t now = ceph_clock_now(); + + if (now - s.last_change < 10.0) { + dout(10) << __func__ + << " pg " << pgid << " changed in the last 10s" << dendl; + return; + } + + s.state ^= PG_STATE_CLEAN; + if (s.state & PG_STATE_CLEAN) + s.last_clean = now; + s.last_change = now; + s.reported_seq++; + + pgs_changes.insert(pgid); + } + + void modify_pgs() { + dout(10) << __func__ << dendl; + + if (pgs.empty()) { + dout(1) << __func__ + << " no pgs available! don't attempt to modify." << dendl; + return; + } + + boost::uniform_int<> pg_rng(0, pgs.size()-1); + set pgs_pos; + + int num_pgs = pg_rng(gen); + while ((int)pgs_pos.size() < num_pgs) + pgs_pos.insert(pg_rng(gen)); + + map::iterator it = pgs.begin(); + set::iterator pos_it = pgs_pos.begin(); + + int pgs_at = 0; + while (pos_it != pgs_pos.end()) { + int at = *pos_it; + dout(20) << __func__ << " pg at pos " << at << dendl; + while ((pgs_at != at) && (it != pgs.end())) { + ++it; + ++pgs_at; + } + assert(it != pgs.end()); + dout(20) << __func__ + << " pg at pos " << at << ": " << it->first << dendl; + modify_pg(it->first); + ++pos_it; + } + } + + void op_alive() { + dout(10) << __func__ << dendl; + if (!osdmap.exists(whoami)) { + dout(0) << __func__ << " I'm not in the osdmap!!\n"; + JSONFormatter f(true); + osdmap.dump(&f); + f.flush(*_dout); + *_dout << dendl; + } + if (osdmap.get_epoch() == 0) { + dout(1) << __func__ << " wait for osdmap" << dendl; + return; + } + epoch_t up_thru = osdmap.get_up_thru(whoami); + dout(10) << __func__ << "up_thru: " << osdmap.get_up_thru(whoami) << dendl; + + monc.send_mon_message(new MOSDAlive(osdmap.get_epoch(), up_thru)); + } + + void op_pgtemp() { + if (osdmap.get_epoch() == 0) { + dout(1) << __func__ << " wait for osdmap" << dendl; + return; + } + dout(10) << __func__ << dendl; + MOSDPGTemp *m = new MOSDPGTemp(osdmap.get_epoch()); + monc.send_mon_message(m); + } + + void op_failure() { + dout(10) << __func__ << dendl; + } + + void op_pgstats() { + dout(10) << __func__ << dendl; + + modify_pgs(); + if (!pgs_changes.empty()) + send_pg_stats(); + monc.sub_want("osd_pg_creates", 0, CEPH_SUBSCRIBE_ONETIME); + monc.renew_subs(); + + dout(20) << __func__ << " pg pools:\n"; + + JSONFormatter f(true); + f.open_array_section("pools"); + auto& osdmap_pools = osdmap.get_pools(); + for (auto pit = osdmap_pools.begin(); pit != osdmap_pools.end(); ++pit) { + const int64_t pool_id = pit->first; + const pg_pool_t &pool = pit->second; + f.open_object_section("pool"); + f.dump_int("pool_id", pool_id); + f.open_object_section("pool_dump"); + pool.dump(&f); + f.close_section(); + f.close_section(); + } + f.close_section(); + f.flush(*_dout); + *_dout << dendl; + } + + void op_log() { + dout(10) << __func__ << dendl; + + MLog *m = new MLog(monc.get_fsid()); + + boost::uniform_int<> log_rng(1, 10); + size_t num_entries = log_rng(gen); + dout(10) << __func__ + << " send " << num_entries << " log messages" << dendl; + + utime_t now = ceph_clock_now(); + int seq = 0; + for (; num_entries > 0; --num_entries) { + LogEntry e; + e.who = messenger->get_myinst(); + e.stamp = now; + e.seq = seq++; + e.prio = CLOG_DEBUG; + e.msg = "OSDStub::op_log"; + m->entries.push_back(e); + } + + monc.send_mon_message(m); + } + + void _tick() override { + if (!osdmap.exists(whoami)) { + std::cout << __func__ << " not in the cluster; boot!" << std::endl; + boot(); + return; + } + + update_osd_stat(); + + boost::uniform_int<> op_rng(STUB_MON_OSD_FIRST, STUB_MON_OSD_LAST); + int op = op_rng(gen); + switch (op) { + case STUB_MON_OSD_ALIVE: + op_alive(); + break; + case STUB_MON_OSD_PGTEMP: + op_pgtemp(); + break; + case STUB_MON_OSD_FAILURE: + op_failure(); + break; + case STUB_MON_OSD_PGSTATS: + op_pgstats(); + break; + case STUB_MON_LOG: + op_log(); + break; + } + } + + void handle_pg_create(MOSDPGCreate *m) { + assert(m != NULL); + if (m->epoch < osdmap.get_epoch()) { + std::cout << __func__ << " epoch " << m->epoch << " < " + << osdmap.get_epoch() << "; dropping" << std::endl; + m->put(); + return; + } + + for (map::iterator it = m->mkpg.begin(); + it != m->mkpg.end(); ++it) { + pg_create_t &c = it->second; + std::cout << __func__ << " pg " << it->first + << " created " << c.created + << " parent " << c.parent << std::endl; + if (pgs.count(it->first)) { + std::cout << __func__ << " pg " << it->first + << " exists; skipping" << std::endl; + continue; + } + + pg_t pgid = it->first; + add_pg(pgid, c.created, c.parent); + } + send_pg_stats(); + } + + void handle_osd_map(MOSDMap *m) { + dout(1) << __func__ << dendl; + if (m->fsid != monc.get_fsid()) { + dout(0) << __func__ + << " message fsid " << m->fsid << " != " << monc.get_fsid() + << dendl; + dout(0) << __func__ << " " << m + << " from " << m->get_source_inst() + << dendl; + dout(0) << monc.get_monmap() << dendl; + } + assert(m->fsid == monc.get_fsid()); + + epoch_t first = m->get_first(); + epoch_t last = m->get_last(); + dout(5) << __func__ + << " epochs [" << first << "," << last << "]" + << " current " << osdmap.get_epoch() << dendl; + + if (last <= osdmap.get_epoch()) { + dout(5) << __func__ << " no new maps here; dropping" << dendl; + m->put(); + return; + } + + if (first > osdmap.get_epoch() + 1) { + dout(5) << __func__ + << osdmap.get_epoch() + 1 << ".." << (first-1) << dendl; + if ((m->oldest_map < first && osdmap.get_epoch() == 0) || + m->oldest_map <= osdmap.get_epoch()) { + monc.sub_want("osdmap", osdmap.get_epoch()+1, + CEPH_SUBSCRIBE_ONETIME); + monc.renew_subs(); + m->put(); + return; + } + } + + epoch_t start_full = MAX(osdmap.get_epoch() + 1, first); + + if (m->maps.size() > 0) { + map::reverse_iterator rit; + rit = m->maps.rbegin(); + if (start_full <= rit->first) { + start_full = rit->first; + dout(5) << __func__ + << " full epoch " << start_full << dendl; + bufferlist &bl = rit->second; + bufferlist::iterator p = bl.begin(); + osdmap.decode(p); + } + } + + for (epoch_t e = start_full; e <= last; e++) { + map::iterator it; + it = m->incremental_maps.find(e); + if (it == m->incremental_maps.end()) + continue; + + dout(20) << __func__ + << " incremental epoch " << e + << " on full epoch " << start_full << dendl; + OSDMap::Incremental inc; + bufferlist &bl = it->second; + bufferlist::iterator p = bl.begin(); + inc.decode(p); + + int err = osdmap.apply_incremental(inc); + if (err < 0) { + derr << "osd." << whoami << "::" << __func__ + << "** ERROR: applying incremental: " + << cpp_strerror(err) << dendl; + assert(0 == "error applying incremental"); + } + } + dout(30) << __func__ << "\nosdmap:\n"; + JSONFormatter f(true); + osdmap.dump(&f); + f.flush(*_dout); + *_dout << dendl; + + if (osdmap.is_up(whoami) && + osdmap.get_addr(whoami) == messenger->get_myaddr()) { + dout(1) << __func__ + << " got into the osdmap and we're up!" << dendl; + } + + if (m->newest_map && m->newest_map > last) { + dout(1) << __func__ + << " they have more maps; requesting them!" << dendl; + monc.sub_want("osdmap", osdmap.get_epoch()+1, CEPH_SUBSCRIBE_ONETIME); + monc.renew_subs(); + } + + dout(10) << __func__ << " done" << dendl; + m->put(); + } + + bool ms_dispatch(Message *m) override { + dout(1) << __func__ << " " << *m << dendl; + + switch (m->get_type()) { + case MSG_OSD_PG_CREATE: + handle_pg_create((MOSDPGCreate*)m); + break; + case CEPH_MSG_OSD_MAP: + handle_osd_map((MOSDMap*)m); + break; + default: + m->put(); + break; + } + return true; + } + + void ms_handle_connect(Connection *con) override { + dout(1) << __func__ << " " << con << dendl; + if (con->get_peer_type() == CEPH_ENTITY_TYPE_MON) { + dout(10) << __func__ << " on mon" << dendl; + } + } + + void ms_handle_remote_reset(Connection *con) override {} + + bool ms_handle_reset(Connection *con) override { + dout(1) << __func__ << dendl; + Session *session = (Session *)con->get_priv(); + if (!session) + return false; + session->put(); + return true; + } + + bool ms_handle_refused(Connection *con) override { + return false; + } + + const string get_name() override { + stringstream ss; + ss << "osd." << whoami; + return ss.str(); + } +}; + +double const OSDStub::STUB_BOOT_INTERVAL = 10.0; + +#undef dout_prefix +#define dout_prefix *_dout << "main " + +const char *our_name = NULL; +vector stubs; +Mutex shutdown_lock("main::shutdown_lock"); +Cond shutdown_cond; +Context *shutdown_cb = NULL; +SafeTimer *shutdown_timer = NULL; + +struct C_Shutdown : public Context +{ + void finish(int r) override { + generic_dout(10) << "main::shutdown time has ran out" << dendl; + shutdown_cond.Signal(); + } +}; + +void handle_test_signal(int signum) +{ + if ((signum != SIGINT) && (signum != SIGTERM)) + return; + + std::cerr << "*** Got signal " << sig_str(signum) << " ***" << std::endl; + Mutex::Locker l(shutdown_lock); + if (shutdown_timer) { + shutdown_timer->cancel_all_events(); + shutdown_cond.Signal(); + } +} + +void usage() { + assert(our_name != NULL); + + std::cout << "usage: " << our_name + << " <--stub-id ID> [--stub-id ID...]" + << std::endl; + std::cout << "\n\ +Global Options:\n\ + -c FILE Read configuration from FILE\n\ + --keyring FILE Read keyring from FILE\n\ + --help This message\n\ +\n\ +Test-specific Options:\n\ + --stub-id ID1..ID2 Interval of OSD ids for multiple stubs to mimic.\n\ + --stub-id ID OSD id a stub will mimic to be\n\ + (same as --stub-id ID..ID)\n\ +" << std::endl; +} + +int get_id_interval(int &first, int &last, string &str) +{ + size_t found = str.find(".."); + string first_str, last_str; + if (found == string::npos) { + first_str = last_str = str; + } else { + first_str = str.substr(0, found); + last_str = str.substr(found+2); + } + + string err; + first = strict_strtol(first_str.c_str(), 10, &err); + if ((first == 0) && (!err.empty())) { + std::cerr << err << std::endl; + return -1; + } + + last = strict_strtol(last_str.c_str(), 10, &err); + if ((last == 0) && (!err.empty())) { + std::cerr << err << std::endl; + return -1; + } + return 0; +} + +int main(int argc, const char *argv[]) +{ + vector def_args; + vector args; + our_name = argv[0]; + argv_to_vec(argc, argv, args); + + auto cct = global_init(&def_args, args, + CEPH_ENTITY_TYPE_OSD, CODE_ENVIRONMENT_UTILITY, + 0); + + common_init_finish(g_ceph_context); + g_ceph_context->_conf->apply_changes(NULL); + + set stub_ids; + double duration = 300.0; + + for (std::vector::iterator i = args.begin(); i != args.end();) { + string val; + + if (ceph_argparse_double_dash(args, i)) { + break; + } else if (ceph_argparse_witharg(args, i, &val, + "--stub-id", (char*) NULL)) { + int first = -1, last = -1; + if (get_id_interval(first, last, val) < 0) { + std::cerr << "** error parsing stub id '" << val << "'" << std::endl; + exit(1); + } + + for (; first <= last; ++first) + stub_ids.insert(first); + } else if (ceph_argparse_witharg(args, i, &val, + "--duration", (char*) NULL)) { + string err; + duration = (double) strict_strtol(val.c_str(), 10, &err); + if ((duration == 0) && (!err.empty())) { + std::cerr << "** error parsing '--duration " << val << "': '" + << err << std::endl; + exit(1); + } + } else if (ceph_argparse_flag(args, i, "--help", (char*) NULL)) { + usage(); + exit(0); + } else { + std::cerr << "unknown argument '" << *i << "'" << std::endl; + return 1; + } + } + + if (stub_ids.empty()) { + std::cerr << "** error: must specify at least one '--stub-id '" + << std::endl; + usage(); + return 1; + } + + for (set::iterator i = stub_ids.begin(); i != stub_ids.end(); ++i) { + int whoami = *i; + + std::cout << __func__ << " starting stub." << whoami << std::endl; + OSDStub *stub = new OSDStub(whoami, g_ceph_context); + int err = stub->init(); + if (err < 0) { + std::cerr << "** osd stub error: " << cpp_strerror(-err) << std::endl; + return 1; + } + stubs.push_back(stub); + } + + std::cout << __func__ << " starting client stub" << std::endl; + ClientStub *cstub = new ClientStub(g_ceph_context); + int err = cstub->init(); + if (err < 0) { + std::cerr << "** client stub error: " << cpp_strerror(-err) << std::endl; + return 1; + } + stubs.push_back(cstub); + + init_async_signal_handler(); + register_async_signal_handler_oneshot(SIGINT, handle_test_signal); + register_async_signal_handler_oneshot(SIGTERM, handle_test_signal); + + shutdown_lock.Lock(); + shutdown_timer = new SafeTimer(g_ceph_context, shutdown_lock); + shutdown_timer->init(); + if (duration != 0) { + std::cout << __func__ + << " run test for " << duration << " seconds" << std::endl; + shutdown_timer->add_event_after((double) duration, new C_Shutdown); + } + shutdown_cond.Wait(shutdown_lock); + + shutdown_timer->shutdown(); + delete shutdown_timer; + shutdown_timer = NULL; + shutdown_lock.Unlock(); + + unregister_async_signal_handler(SIGINT, handle_test_signal); + unregister_async_signal_handler(SIGTERM, handle_test_signal); + + std::cout << __func__ << " waiting for stubs to finish" << std::endl; + vector::iterator it; + int i; + for (i = 0, it = stubs.begin(); it != stubs.end(); ++it, ++i) { + if (*it != NULL) { + (*it)->shutdown(); + (*it)->wait(); + std::cout << __func__ << " finished " << (*it)->get_name() << std::endl; + delete (*it); + (*it) = NULL; + } + } + + return 0; +}