--- /dev/null
+// -*- 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 <sage@newdream.net>
+ *
+ * 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 <sys/mount.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include <iostream>
+#include <string>
+#include <map>
+
+#include <boost/scoped_ptr.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/random/uniform_int.hpp>
+
+
+#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<Messenger> MessengerRef;
+typedef boost::scoped_ptr<Objecter> 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<AuthAuthorizeHandlerRegistry> AuthHandlerRef;
+class OSDStub : public TestStub
+{
+ AuthHandlerRef auth_handler_registry;
+ int whoami;
+ OSDSuperblock sb;
+ OSDMap osdmap;
+ osd_stat_t osd_stat;
+
+ map<pg_t,pg_stat_t> pgs;
+ set<pg_t> 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<std::string>("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<pg_t>::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<int> pgs_pos;
+
+ int num_pgs = pg_rng(gen);
+ while ((int)pgs_pos.size() < num_pgs)
+ pgs_pos.insert(pg_rng(gen));
+
+ map<pg_t,pg_stat_t>::iterator it = pgs.begin();
+ set<int>::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<pg_t,pg_create_t>::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<epoch_t,bufferlist>::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<epoch_t,bufferlist>::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<TestStub*> 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<const char*> def_args;
+ vector<const char*> 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<int> stub_ids;
+ double duration = 300.0;
+
+ for (std::vector<const char*>::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 <ID>'"
+ << std::endl;
+ usage();
+ return 1;
+ }
+
+ for (set<int>::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<TestStub*>::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;
+}
Code Review / stor4nfv.git / blobdiff