--- /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) 2014 UnitedStack <haomai@unitedstack.com>
+ *
+ * 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 <atomic>
+#include <iostream>
+#include <unistd.h>
+#include <stdlib.h>
+#include <time.h>
+#include "common/Mutex.h"
+#include "common/Cond.h"
+#include "common/ceph_argparse.h"
+#include "global/global_init.h"
+#include "msg/Dispatcher.h"
+#include "msg/msg_types.h"
+#include "msg/Message.h"
+#include "msg/Messenger.h"
+#include "msg/Connection.h"
+#include "messages/MPing.h"
+#include "messages/MCommand.h"
+
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/random/uniform_int.hpp>
+#include <boost/random/binomial_distribution.hpp>
+#include <gtest/gtest.h>
+
+typedef boost::mt11213b gen_type;
+
+#include "common/dout.h"
+#include "include/assert.h"
+
+#define dout_subsys ceph_subsys_ms
+#undef dout_prefix
+#define dout_prefix *_dout << " ceph_test_msgr "
+
+
+#if GTEST_HAS_PARAM_TEST
+
+#define CHECK_AND_WAIT_TRUE(expr) do { \
+ int n = 1000; \
+ while (--n) { \
+ if (expr) \
+ break; \
+ usleep(1000); \
+ } \
+} while(0);
+
+class MessengerTest : public ::testing::TestWithParam<const char*> {
+ public:
+ Messenger *server_msgr;
+ Messenger *client_msgr;
+
+ MessengerTest(): server_msgr(NULL), client_msgr(NULL) {}
+ void SetUp() override {
+ lderr(g_ceph_context) << __func__ << " start set up " << GetParam() << dendl;
+ server_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::OSD(0), "server", getpid(), 0);
+ client_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::CLIENT(-1), "client", getpid(), 0);
+ server_msgr->set_default_policy(Messenger::Policy::stateless_server(0));
+ client_msgr->set_default_policy(Messenger::Policy::lossy_client(0));
+ }
+ void TearDown() override {
+ ASSERT_EQ(server_msgr->get_dispatch_queue_len(), 0);
+ ASSERT_EQ(client_msgr->get_dispatch_queue_len(), 0);
+ delete server_msgr;
+ delete client_msgr;
+ }
+
+};
+
+
+class FakeDispatcher : public Dispatcher {
+ public:
+ struct Session : public RefCountedObject {
+ atomic<uint64_t> count;
+ ConnectionRef con;
+
+ explicit Session(ConnectionRef c): RefCountedObject(g_ceph_context), count(0), con(c) {
+ }
+ uint64_t get_count() { return count; }
+ };
+
+ Mutex lock;
+ Cond cond;
+ bool is_server;
+ bool got_new;
+ bool got_remote_reset;
+ bool got_connect;
+ bool loopback;
+
+ explicit FakeDispatcher(bool s): Dispatcher(g_ceph_context), lock("FakeDispatcher::lock"),
+ is_server(s), got_new(false), got_remote_reset(false),
+ got_connect(false), loopback(false) {}
+ 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_PING:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ void ms_handle_fast_connect(Connection *con) override {
+ lock.Lock();
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ Session *s = static_cast<Session*>(con->get_priv());
+ if (!s) {
+ s = new Session(con);
+ con->set_priv(s->get());
+ lderr(g_ceph_context) << __func__ << " con: " << con << " count: " << s->count << dendl;
+ }
+ s->put();
+ got_connect = true;
+ cond.Signal();
+ lock.Unlock();
+ }
+ void ms_handle_fast_accept(Connection *con) override {
+ Session *s = static_cast<Session*>(con->get_priv());
+ if (!s) {
+ s = new Session(con);
+ con->set_priv(s->get());
+ }
+ s->put();
+ }
+ bool ms_dispatch(Message *m) override {
+ Session *s = static_cast<Session*>(m->get_connection()->get_priv());
+ if (!s) {
+ s = new Session(m->get_connection());
+ m->get_connection()->set_priv(s->get());
+ }
+ s->put();
+ s->count++;
+ lderr(g_ceph_context) << __func__ << " conn: " << m->get_connection() << " session " << s << " count: " << s->count << dendl;
+ if (is_server) {
+ reply_message(m);
+ }
+ Mutex::Locker l(lock);
+ got_new = true;
+ cond.Signal();
+ m->put();
+ return true;
+ }
+ bool ms_handle_reset(Connection *con) override {
+ Mutex::Locker l(lock);
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ Session *s = static_cast<Session*>(con->get_priv());
+ if (s) {
+ s->con.reset(NULL); // break con <-> session ref cycle
+ con->set_priv(NULL); // break ref <-> session cycle, if any
+ s->put();
+ }
+ return true;
+ }
+ void ms_handle_remote_reset(Connection *con) override {
+ Mutex::Locker l(lock);
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ Session *s = static_cast<Session*>(con->get_priv());
+ if (s) {
+ s->con.reset(NULL); // break con <-> session ref cycle
+ con->set_priv(NULL); // break ref <-> session cycle, if any
+ s->put();
+ }
+ got_remote_reset = true;
+ cond.Signal();
+ }
+ bool ms_handle_refused(Connection *con) override {
+ return false;
+ }
+ void ms_fast_dispatch(Message *m) override {
+ Session *s = static_cast<Session*>(m->get_connection()->get_priv());
+ if (!s) {
+ s = new Session(m->get_connection());
+ m->get_connection()->set_priv(s->get());
+ }
+ s->put();
+ s->count++;
+ lderr(g_ceph_context) << __func__ << " conn: " << m->get_connection() << " session " << s << " count: " << s->count << dendl;
+ if (is_server) {
+ if (loopback)
+ assert(m->get_source().is_osd());
+ else
+ reply_message(m);
+ } else if (loopback) {
+ assert(m->get_source().is_client());
+ }
+ m->put();
+ Mutex::Locker l(lock);
+ got_new = true;
+ cond.Signal();
+ }
+
+ bool ms_verify_authorizer(Connection *con, int peer_type, int protocol,
+ bufferlist& authorizer, bufferlist& authorizer_reply,
+ bool& isvalid, CryptoKey& session_key) override {
+ isvalid = true;
+ return true;
+ }
+
+ void reply_message(Message *m) {
+ MPing *rm = new MPing();
+ m->get_connection()->send_message(rm);
+ }
+};
+
+typedef FakeDispatcher::Session Session;
+
+TEST_P(MessengerTest, SimpleTest) {
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. simple round trip
+ MPing *m = new MPing();
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(conn->is_connected());
+ ASSERT_TRUE((static_cast<Session*>(conn->get_priv()))->get_count() == 1);
+ ASSERT_TRUE(conn->peer_is_osd());
+
+ // 2. test rebind port
+ set<int> avoid_ports;
+ for (int i = 0; i < 10 ; i++)
+ avoid_ports.insert(server_msgr->get_myaddr().get_port() + i);
+ server_msgr->rebind(avoid_ports);
+ ASSERT_TRUE(avoid_ports.count(server_msgr->get_myaddr().get_port()) == 0);
+
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+
+ // 3. test markdown connection
+ conn->mark_down();
+ ASSERT_FALSE(conn->is_connected());
+
+ // 4. test failed connection
+ server_msgr->shutdown();
+ server_msgr->wait();
+
+ m = new MPing();
+ conn->send_message(m);
+ CHECK_AND_WAIT_TRUE(!conn->is_connected());
+ ASSERT_FALSE(conn->is_connected());
+
+ // 5. loopback connection
+ srv_dispatcher.loopback = true;
+ conn = client_msgr->get_loopback_connection();
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ srv_dispatcher.loopback = false;
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ client_msgr->shutdown();
+ client_msgr->wait();
+ server_msgr->shutdown();
+ server_msgr->wait();
+}
+
+TEST_P(MessengerTest, NameAddrTest) {
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ MPing *m = new MPing();
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ ASSERT_TRUE(conn->get_peer_addr() == server_msgr->get_myaddr());
+ ConnectionRef server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ // Make should server_conn is the one we already accepted from client,
+ // so it means client_msgr has the same addr when server connection has
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, FeatureTest) {
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ uint64_t all_feature_supported, feature_required, feature_supported = 0;
+ for (int i = 0; i < 10; i++)
+ feature_supported |= 1ULL << i;
+ feature_required = feature_supported | 1ULL << 13;
+ all_feature_supported = feature_required | 1ULL << 14;
+
+ Messenger::Policy p = server_msgr->get_policy(entity_name_t::TYPE_CLIENT);
+ p.features_required = feature_required;
+ server_msgr->set_policy(entity_name_t::TYPE_CLIENT, p);
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+
+ // 1. Suppose if only support less than required
+ p = client_msgr->get_policy(entity_name_t::TYPE_OSD);
+ p.features_supported = feature_supported;
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ MPing *m = new MPing();
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ conn->send_message(m);
+ CHECK_AND_WAIT_TRUE(!conn->is_connected());
+ // should failed build a connection
+ ASSERT_FALSE(conn->is_connected());
+
+ client_msgr->shutdown();
+ client_msgr->wait();
+
+ // 2. supported met required
+ p = client_msgr->get_policy(entity_name_t::TYPE_OSD);
+ p.features_supported = all_feature_supported;
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+ client_msgr->start();
+
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, TimeoutTest) {
+ g_ceph_context->_conf->set_val("ms_tcp_read_timeout", "1");
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. build the connection
+ MPing *m = new MPing();
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(conn->is_connected());
+ ASSERT_TRUE((static_cast<Session*>(conn->get_priv()))->get_count() == 1);
+ ASSERT_TRUE(conn->peer_is_osd());
+
+ // 2. wait for idle
+ usleep(2500*1000);
+ ASSERT_FALSE(conn->is_connected());
+
+ server_msgr->shutdown();
+ server_msgr->wait();
+
+ client_msgr->shutdown();
+ client_msgr->wait();
+ g_ceph_context->_conf->set_val("ms_tcp_read_timeout", "900");
+}
+
+TEST_P(MessengerTest, StatefulTest) {
+ Message *m;
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ Messenger::Policy p = Messenger::Policy::stateful_server(0);
+ server_msgr->set_policy(entity_name_t::TYPE_CLIENT, p);
+ p = Messenger::Policy::lossless_client(0);
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. test for server standby
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ conn->mark_down();
+ ASSERT_FALSE(conn->is_connected());
+ ConnectionRef server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ // don't lose state
+ ASSERT_TRUE(static_cast<Session*>(server_conn->get_priv())->get_count() == 1);
+
+ srv_dispatcher.got_new = false;
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ {
+ Mutex::Locker l(srv_dispatcher.lock);
+ while (!srv_dispatcher.got_remote_reset)
+ srv_dispatcher.cond.Wait(srv_dispatcher.lock);
+ }
+
+ // 2. test for client reconnect
+ ASSERT_FALSE(cli_dispatcher.got_remote_reset);
+ cli_dispatcher.got_connect = false;
+ cli_dispatcher.got_new = false;
+ cli_dispatcher.got_remote_reset = false;
+ server_conn->mark_down();
+ ASSERT_FALSE(server_conn->is_connected());
+ // ensure client detect server socket closed
+ {
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_remote_reset)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_remote_reset = false;
+ }
+ {
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_connect)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_connect = false;
+ }
+ CHECK_AND_WAIT_TRUE(conn->is_connected());
+ ASSERT_TRUE(conn->is_connected());
+
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ ASSERT_TRUE(conn->is_connected());
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ // resetcheck happen
+ ASSERT_EQ(1U, static_cast<Session*>(conn->get_priv())->get_count());
+ server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ ASSERT_EQ(1U, static_cast<Session*>(server_conn->get_priv())->get_count());
+ cli_dispatcher.got_remote_reset = false;
+
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, StatelessTest) {
+ Message *m;
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ Messenger::Policy p = Messenger::Policy::stateless_server(0);
+ server_msgr->set_policy(entity_name_t::TYPE_CLIENT, p);
+ p = Messenger::Policy::lossy_client(0);
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. test for server lose state
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ conn->mark_down();
+ ASSERT_FALSE(conn->is_connected());
+
+ srv_dispatcher.got_new = false;
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ ConnectionRef server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ // server lose state
+ {
+ Mutex::Locker l(srv_dispatcher.lock);
+ while (!srv_dispatcher.got_new)
+ srv_dispatcher.cond.Wait(srv_dispatcher.lock);
+ }
+ ASSERT_EQ(1U, static_cast<Session*>(server_conn->get_priv())->get_count());
+
+ // 2. test for client lossy
+ server_conn->mark_down();
+ ASSERT_FALSE(server_conn->is_connected());
+ conn->send_keepalive();
+ CHECK_AND_WAIT_TRUE(!conn->is_connected());
+ ASSERT_FALSE(conn->is_connected());
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, ClientStandbyTest) {
+ Message *m;
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ Messenger::Policy p = Messenger::Policy::stateful_server(0);
+ server_msgr->set_policy(entity_name_t::TYPE_CLIENT, p);
+ p = Messenger::Policy::lossless_peer(0);
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. test for client standby, resetcheck
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ ConnectionRef server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ ASSERT_FALSE(cli_dispatcher.got_remote_reset);
+ cli_dispatcher.got_connect = false;
+ server_conn->mark_down();
+ ASSERT_FALSE(server_conn->is_connected());
+ // client should be standby
+ usleep(300*1000);
+ // client should be standby, so we use original connection
+ {
+ // Try send message to verify got remote reset callback
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ {
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_remote_reset)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_remote_reset = false;
+ while (!cli_dispatcher.got_connect)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_connect = false;
+ }
+ CHECK_AND_WAIT_TRUE(conn->is_connected());
+ ASSERT_TRUE(conn->is_connected());
+ m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(static_cast<Session*>(conn->get_priv())->get_count() == 1);
+ server_conn = server_msgr->get_connection(client_msgr->get_myinst());
+ ASSERT_TRUE(static_cast<Session*>(server_conn->get_priv())->get_count() == 1);
+
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, AuthTest) {
+ g_ceph_context->_conf->set_val("auth_cluster_required", "cephx");
+ g_ceph_context->_conf->set_val("auth_service_required", "cephx");
+ g_ceph_context->_conf->set_val("auth_client_required", "cephx");
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ // 1. simple auth round trip
+ MPing *m = new MPing();
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(conn->is_connected());
+ ASSERT_TRUE((static_cast<Session*>(conn->get_priv()))->get_count() == 1);
+
+ // 2. mix auth
+ g_ceph_context->_conf->set_val("auth_cluster_required", "none");
+ g_ceph_context->_conf->set_val("auth_service_required", "none");
+ g_ceph_context->_conf->set_val("auth_client_required", "none");
+ conn->mark_down();
+ ASSERT_FALSE(conn->is_connected());
+ conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ MPing *m = new MPing();
+ ASSERT_EQ(conn->send_message(m), 0);
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.Wait(cli_dispatcher.lock);
+ cli_dispatcher.got_new = false;
+ }
+ ASSERT_TRUE(conn->is_connected());
+ ASSERT_TRUE((static_cast<Session*>(conn->get_priv()))->get_count() == 1);
+
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+TEST_P(MessengerTest, MessageTest) {
+ FakeDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1");
+ Messenger::Policy p = Messenger::Policy::stateful_server(0);
+ server_msgr->set_policy(entity_name_t::TYPE_CLIENT, p);
+ p = Messenger::Policy::lossless_peer(0);
+ client_msgr->set_policy(entity_name_t::TYPE_OSD, p);
+
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+
+ // 1. A very large "front"(as well as "payload")
+ // Because a external message need to invade Messenger::decode_message,
+ // here we only use existing message class(MCommand)
+ ConnectionRef conn = client_msgr->get_connection(server_msgr->get_myinst());
+ {
+ uuid_d uuid;
+ uuid.generate_random();
+ vector<string> cmds;
+ string s("abcdefghijklmnopqrstuvwxyz");
+ for (int i = 0; i < 1024*30; i++)
+ cmds.push_back(s);
+ MCommand *m = new MCommand(uuid);
+ m->cmd = cmds;
+ conn->send_message(m);
+ utime_t t;
+ t += 1000*1000*500;
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.WaitInterval(cli_dispatcher.lock, t);
+ ASSERT_TRUE(cli_dispatcher.got_new);
+ cli_dispatcher.got_new = false;
+ }
+
+ // 2. A very large "data"
+ {
+ bufferlist bl;
+ string s("abcdefghijklmnopqrstuvwxyz");
+ for (int i = 0; i < 1024*30; i++)
+ bl.append(s);
+ MPing *m = new MPing();
+ m->set_data(bl);
+ conn->send_message(m);
+ utime_t t;
+ t += 1000*1000*500;
+ Mutex::Locker l(cli_dispatcher.lock);
+ while (!cli_dispatcher.got_new)
+ cli_dispatcher.cond.WaitInterval(cli_dispatcher.lock, t);
+ ASSERT_TRUE(cli_dispatcher.got_new);
+ cli_dispatcher.got_new = false;
+ }
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+}
+
+
+class SyntheticWorkload;
+
+struct Payload {
+ enum Who : uint8_t {
+ PING = 0,
+ PONG = 1,
+ };
+ uint8_t who;
+ uint64_t seq;
+ bufferlist data;
+
+ Payload(Who who, uint64_t seq, const bufferlist& data)
+ : who(who), seq(seq), data(data)
+ {}
+ Payload() = default;
+ DENC(Payload, v, p) {
+ DENC_START(1, 1, p);
+ denc(v.who, p);
+ denc(v.seq, p);
+ denc(v.data, p);
+ DENC_FINISH(p);
+ }
+};
+WRITE_CLASS_DENC(Payload)
+
+ostream& operator<<(ostream& out, const Payload &pl)
+{
+ return out << "reply=" << pl.who << " i = " << pl.seq;
+}
+
+class SyntheticDispatcher : public Dispatcher {
+ public:
+ Mutex lock;
+ Cond cond;
+ bool is_server;
+ bool got_new;
+ bool got_remote_reset;
+ bool got_connect;
+ map<ConnectionRef, list<uint64_t> > conn_sent;
+ map<uint64_t, bufferlist> sent;
+ atomic<uint64_t> index;
+ SyntheticWorkload *workload;
+
+ SyntheticDispatcher(bool s, SyntheticWorkload *wl):
+ Dispatcher(g_ceph_context), lock("SyntheticDispatcher::lock"), is_server(s), got_new(false),
+ got_remote_reset(false), got_connect(false), index(0), workload(wl) {}
+ 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_PING:
+ case MSG_COMMAND:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ void ms_handle_fast_connect(Connection *con) override {
+ Mutex::Locker l(lock);
+ list<uint64_t> c = conn_sent[con];
+ for (list<uint64_t>::iterator it = c.begin();
+ it != c.end(); ++it)
+ sent.erase(*it);
+ conn_sent.erase(con);
+ got_connect = true;
+ cond.Signal();
+ }
+ void ms_handle_fast_accept(Connection *con) override {
+ Mutex::Locker l(lock);
+ list<uint64_t> c = conn_sent[con];
+ for (list<uint64_t>::iterator it = c.begin();
+ it != c.end(); ++it)
+ sent.erase(*it);
+ conn_sent.erase(con);
+ cond.Signal();
+ }
+ bool ms_dispatch(Message *m) override {
+ ceph_abort();
+ }
+ bool ms_handle_reset(Connection *con) override;
+ void ms_handle_remote_reset(Connection *con) override {
+ Mutex::Locker l(lock);
+ list<uint64_t> c = conn_sent[con];
+ for (list<uint64_t>::iterator it = c.begin();
+ it != c.end(); ++it)
+ sent.erase(*it);
+ conn_sent.erase(con);
+ got_remote_reset = true;
+ }
+ bool ms_handle_refused(Connection *con) override {
+ return false;
+ }
+ void ms_fast_dispatch(Message *m) override {
+ // MSG_COMMAND is used to disorganize regular message flow
+ if (m->get_type() == MSG_COMMAND) {
+ m->put();
+ return ;
+ }
+
+ Payload pl;
+ auto p = m->get_data().begin();
+ ::decode(pl, p);
+ if (pl.who == Payload::PING) {
+ lderr(g_ceph_context) << __func__ << " conn=" << m->get_connection() << pl << dendl;
+ reply_message(m, pl);
+ m->put();
+ Mutex::Locker l(lock);
+ got_new = true;
+ cond.Signal();
+ } else {
+ Mutex::Locker l(lock);
+ if (sent.count(pl.seq)) {
+ lderr(g_ceph_context) << __func__ << " conn=" << m->get_connection() << pl << dendl;
+ ASSERT_EQ(conn_sent[m->get_connection()].front(), pl.seq);
+ ASSERT_TRUE(pl.data.contents_equal(sent[pl.seq]));
+ conn_sent[m->get_connection()].pop_front();
+ sent.erase(pl.seq);
+ }
+ m->put();
+ got_new = true;
+ cond.Signal();
+ }
+ }
+
+ bool ms_verify_authorizer(Connection *con, int peer_type, int protocol,
+ bufferlist& authorizer, bufferlist& authorizer_reply,
+ bool& isvalid, CryptoKey& session_key) override {
+ isvalid = true;
+ return true;
+ }
+
+ void reply_message(const Message *m, Payload& pl) {
+ pl.who = Payload::PONG;
+ bufferlist bl;
+ ::encode(pl, bl);
+ MPing *rm = new MPing();
+ rm->set_data(bl);
+ m->get_connection()->send_message(rm);
+ lderr(g_ceph_context) << __func__ << " conn=" << m->get_connection() << " reply m=" << m << " i=" << pl.seq << dendl;
+ }
+
+ void send_message_wrap(ConnectionRef con, const bufferlist& data) {
+ Message *m = new MPing();
+ Payload pl{Payload::PING, index++, data};
+ bufferlist bl;
+ ::encode(pl, bl);
+ m->set_data(bl);
+ if (!con->get_messenger()->get_default_policy().lossy) {
+ Mutex::Locker l(lock);
+ sent[pl.seq] = pl.data;
+ conn_sent[con].push_back(pl.seq);
+ }
+ lderr(g_ceph_context) << __func__ << " conn=" << con.get() << " send m=" << m << " i=" << pl.seq << dendl;
+ ASSERT_EQ(0, con->send_message(m));
+ }
+
+ uint64_t get_pending() {
+ Mutex::Locker l(lock);
+ return sent.size();
+ }
+
+ void clear_pending(ConnectionRef con) {
+ Mutex::Locker l(lock);
+
+ for (list<uint64_t>::iterator it = conn_sent[con].begin();
+ it != conn_sent[con].end(); ++it)
+ sent.erase(*it);
+ conn_sent.erase(con);
+ }
+
+ void print() {
+ for (auto && p : conn_sent) {
+ if (!p.second.empty()) {
+ lderr(g_ceph_context) << __func__ << " " << p.first << " wait " << p.second.size() << dendl;
+ }
+ }
+ }
+};
+
+
+class SyntheticWorkload {
+ Mutex lock;
+ Cond cond;
+ set<Messenger*> available_servers;
+ set<Messenger*> available_clients;
+ map<ConnectionRef, pair<Messenger*, Messenger*> > available_connections;
+ SyntheticDispatcher dispatcher;
+ gen_type rng;
+ vector<bufferlist> rand_data;
+
+ public:
+ static const unsigned max_in_flight = 64;
+ static const unsigned max_connections = 128;
+ static const unsigned max_message_len = 1024 * 1024 * 4;
+
+ SyntheticWorkload(int servers, int clients, string type, int random_num,
+ Messenger::Policy srv_policy, Messenger::Policy cli_policy):
+ lock("SyntheticWorkload::lock"), dispatcher(false, this), rng(time(NULL)) {
+ Messenger *msgr;
+ int base_port = 16800;
+ entity_addr_t bind_addr;
+ char addr[64];
+ for (int i = 0; i < servers; ++i) {
+ msgr = Messenger::create(g_ceph_context, type, entity_name_t::OSD(0),
+ "server", getpid()+i, 0);
+ snprintf(addr, sizeof(addr), "127.0.0.1:%d", base_port+i);
+ bind_addr.parse(addr);
+ msgr->bind(bind_addr);
+ msgr->add_dispatcher_head(&dispatcher);
+
+ assert(msgr);
+ msgr->set_default_policy(srv_policy);
+ available_servers.insert(msgr);
+ msgr->start();
+ }
+
+ for (int i = 0; i < clients; ++i) {
+ msgr = Messenger::create(g_ceph_context, type, entity_name_t::CLIENT(-1),
+ "client", getpid()+i+servers, 0);
+ if (cli_policy.standby) {
+ snprintf(addr, sizeof(addr), "127.0.0.1:%d", base_port+i+servers);
+ bind_addr.parse(addr);
+ msgr->bind(bind_addr);
+ }
+ msgr->add_dispatcher_head(&dispatcher);
+
+ assert(msgr);
+ msgr->set_default_policy(cli_policy);
+ available_clients.insert(msgr);
+ msgr->start();
+ }
+
+ for (int i = 0; i < random_num; i++) {
+ bufferlist bl;
+ boost::uniform_int<> u(32, max_message_len);
+ uint64_t value_len = u(rng);
+ bufferptr bp(value_len);
+ bp.zero();
+ for (uint64_t j = 0; j < value_len-sizeof(i); ) {
+ memcpy(bp.c_str()+j, &i, sizeof(i));
+ j += 4096;
+ }
+
+ bl.append(bp);
+ rand_data.push_back(bl);
+ }
+ }
+
+ ConnectionRef _get_random_connection() {
+ while (dispatcher.get_pending() > max_in_flight) {
+ lock.Unlock();
+ usleep(500);
+ lock.Lock();
+ }
+ assert(lock.is_locked());
+ boost::uniform_int<> choose(0, available_connections.size() - 1);
+ int index = choose(rng);
+ map<ConnectionRef, pair<Messenger*, Messenger*> >::iterator i = available_connections.begin();
+ for (; index > 0; --index, ++i) ;
+ return i->first;
+ }
+
+ bool can_create_connection() {
+ return available_connections.size() < max_connections;
+ }
+
+ void generate_connection() {
+ Mutex::Locker l(lock);
+ if (!can_create_connection())
+ return ;
+
+ Messenger *server, *client;
+ {
+ boost::uniform_int<> choose(0, available_servers.size() - 1);
+ int index = choose(rng);
+ set<Messenger*>::iterator i = available_servers.begin();
+ for (; index > 0; --index, ++i) ;
+ server = *i;
+ }
+ {
+ boost::uniform_int<> choose(0, available_clients.size() - 1);
+ int index = choose(rng);
+ set<Messenger*>::iterator i = available_clients.begin();
+ for (; index > 0; --index, ++i) ;
+ client = *i;
+ }
+
+ pair<Messenger*, Messenger*> p;
+ {
+ boost::uniform_int<> choose(0, available_servers.size() - 1);
+ if (server->get_default_policy().server) {
+ p = make_pair(client, server);
+ } else {
+ ConnectionRef conn = client->get_connection(server->get_myinst());
+ if (available_connections.count(conn) || choose(rng) % 2)
+ p = make_pair(client, server);
+ else
+ p = make_pair(server, client);
+ }
+ }
+ ConnectionRef conn = p.first->get_connection(p.second->get_myinst());
+ available_connections[conn] = p;
+ }
+
+ void send_message() {
+ Mutex::Locker l(lock);
+ ConnectionRef conn = _get_random_connection();
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val >= 95) {
+ uuid_d uuid;
+ uuid.generate_random();
+ MCommand *m = new MCommand(uuid);
+ vector<string> cmds;
+ cmds.push_back("command");
+ m->cmd = cmds;
+ m->set_priority(200);
+ conn->send_message(m);
+ } else {
+ boost::uniform_int<> u(0, rand_data.size()-1);
+ dispatcher.send_message_wrap(conn, rand_data[u(rng)]);
+ }
+ }
+
+ void drop_connection() {
+ Mutex::Locker l(lock);
+ if (available_connections.size() < 10)
+ return;
+ ConnectionRef conn = _get_random_connection();
+ dispatcher.clear_pending(conn);
+ conn->mark_down();
+ pair<Messenger*, Messenger*> &p = available_connections[conn];
+ // it's a lossless policy, so we need to mark down each side
+ if (!p.first->get_default_policy().server && !p.second->get_default_policy().server) {
+ ASSERT_EQ(conn->get_messenger(), p.first);
+ ConnectionRef peer = p.second->get_connection(p.first->get_myinst());
+ peer->mark_down();
+ dispatcher.clear_pending(peer);
+ available_connections.erase(peer);
+ }
+ ASSERT_EQ(available_connections.erase(conn), 1U);
+ }
+
+ void print_internal_state(bool detail=false) {
+ Mutex::Locker l(lock);
+ lderr(g_ceph_context) << "available_connections: " << available_connections.size()
+ << " inflight messages: " << dispatcher.get_pending() << dendl;
+ if (detail && !available_connections.empty()) {
+ dispatcher.print();
+ }
+ }
+
+ void wait_for_done() {
+ int64_t tick_us = 1000 * 100; // 100ms
+ int64_t timeout_us = 5 * 60 * 1000 * 1000; // 5 mins
+ int i = 0;
+ while (dispatcher.get_pending()) {
+ usleep(tick_us);
+ timeout_us -= tick_us;
+ if (i++ % 50 == 0)
+ print_internal_state(true);
+ if (timeout_us < 0)
+ assert(0 == " loop time exceed 5 mins, it looks we stuck into some problems!");
+ }
+ for (set<Messenger*>::iterator it = available_servers.begin();
+ it != available_servers.end(); ++it) {
+ (*it)->shutdown();
+ (*it)->wait();
+ ASSERT_EQ((*it)->get_dispatch_queue_len(), 0);
+ delete (*it);
+ }
+ available_servers.clear();
+
+ for (set<Messenger*>::iterator it = available_clients.begin();
+ it != available_clients.end(); ++it) {
+ (*it)->shutdown();
+ (*it)->wait();
+ ASSERT_EQ((*it)->get_dispatch_queue_len(), 0);
+ delete (*it);
+ }
+ available_clients.clear();
+ }
+
+ void handle_reset(Connection *con) {
+ Mutex::Locker l(lock);
+ available_connections.erase(con);
+ dispatcher.clear_pending(con);
+ }
+};
+
+bool SyntheticDispatcher::ms_handle_reset(Connection *con) {
+ workload->handle_reset(con);
+ return true;
+}
+
+TEST_P(MessengerTest, SyntheticStressTest) {
+ SyntheticWorkload test_msg(8, 32, GetParam(), 100,
+ Messenger::Policy::stateful_server(0),
+ Messenger::Policy::lossless_client(0));
+ for (int i = 0; i < 100; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 5000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 90) {
+ test_msg.generate_connection();
+ } else if (val > 80) {
+ test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 1000 + 500);
+ }
+ }
+ test_msg.wait_for_done();
+}
+
+TEST_P(MessengerTest, SyntheticStressTest1) {
+ SyntheticWorkload test_msg(16, 32, GetParam(), 100,
+ Messenger::Policy::lossless_peer_reuse(0),
+ Messenger::Policy::lossless_peer_reuse(0));
+ for (int i = 0; i < 10; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 10000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 80) {
+ test_msg.generate_connection();
+ } else if (val > 60) {
+ test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 1000 + 500);
+ }
+ }
+ test_msg.wait_for_done();
+}
+
+
+TEST_P(MessengerTest, SyntheticInjectTest) {
+ uint64_t dispatch_throttle_bytes = g_ceph_context->_conf->ms_dispatch_throttle_bytes;
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "30");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0.1");
+ g_ceph_context->_conf->set_val("ms_dispatch_throttle_bytes", "16777216");
+ SyntheticWorkload test_msg(8, 32, GetParam(), 100,
+ Messenger::Policy::stateful_server(0),
+ Messenger::Policy::lossless_client(0));
+ for (int i = 0; i < 100; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 1000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 90) {
+ test_msg.generate_connection();
+ } else if (val > 80) {
+ test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 500 + 100);
+ }
+ }
+ test_msg.wait_for_done();
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "0");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0");
+ g_ceph_context->_conf->set_val(
+ "ms_dispatch_throttle_bytes", std::to_string(dispatch_throttle_bytes));
+}
+
+TEST_P(MessengerTest, SyntheticInjectTest2) {
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "30");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0.1");
+ SyntheticWorkload test_msg(8, 16, GetParam(), 100,
+ Messenger::Policy::lossless_peer_reuse(0),
+ Messenger::Policy::lossless_peer_reuse(0));
+ for (int i = 0; i < 100; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 1000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 90) {
+ test_msg.generate_connection();
+ } else if (val > 80) {
+ test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 500 + 100);
+ }
+ }
+ test_msg.wait_for_done();
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "0");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0");
+}
+
+TEST_P(MessengerTest, SyntheticInjectTest3) {
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "600");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0.1");
+ SyntheticWorkload test_msg(8, 16, GetParam(), 100,
+ Messenger::Policy::stateless_server(0),
+ Messenger::Policy::lossy_client(0));
+ for (int i = 0; i < 100; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 1000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 90) {
+ test_msg.generate_connection();
+ } else if (val > 80) {
+ test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 500 + 100);
+ }
+ }
+ test_msg.wait_for_done();
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "0");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0");
+}
+
+
+TEST_P(MessengerTest, SyntheticInjectTest4) {
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "30");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0.1");
+ g_ceph_context->_conf->set_val("ms_inject_delay_probability", "1");
+ g_ceph_context->_conf->set_val("ms_inject_delay_type", "client osd", false);
+ g_ceph_context->_conf->set_val("ms_inject_delay_max", "5");
+ SyntheticWorkload test_msg(16, 32, GetParam(), 100,
+ Messenger::Policy::lossless_peer(0),
+ Messenger::Policy::lossless_peer(0));
+ for (int i = 0; i < 100; ++i) {
+ if (!(i % 10)) lderr(g_ceph_context) << "seeding connection " << i << dendl;
+ test_msg.generate_connection();
+ }
+ gen_type rng(time(NULL));
+ for (int i = 0; i < 1000; ++i) {
+ if (!(i % 10)) {
+ lderr(g_ceph_context) << "Op " << i << ": " << dendl;
+ test_msg.print_internal_state();
+ }
+ boost::uniform_int<> true_false(0, 99);
+ int val = true_false(rng);
+ if (val > 95) {
+ test_msg.generate_connection();
+ } else if (val > 80) {
+ // test_msg.drop_connection();
+ } else if (val > 10) {
+ test_msg.send_message();
+ } else {
+ usleep(rand() % 500 + 100);
+ }
+ }
+ test_msg.wait_for_done();
+ g_ceph_context->_conf->set_val("ms_inject_socket_failures", "0");
+ g_ceph_context->_conf->set_val("ms_inject_internal_delays", "0");
+ g_ceph_context->_conf->set_val("ms_inject_delay_probability", "0");
+ g_ceph_context->_conf->set_val("ms_inject_delay_type", "", false);
+ g_ceph_context->_conf->set_val("ms_inject_delay_max", "0");
+}
+
+
+class MarkdownDispatcher : public Dispatcher {
+ Mutex lock;
+ set<ConnectionRef> conns;
+ bool last_mark;
+ public:
+ std::atomic<uint64_t> count = { 0 };
+ explicit MarkdownDispatcher(bool s): Dispatcher(g_ceph_context), lock("MarkdownDispatcher::lock"),
+ last_mark(false) {}
+ bool ms_can_fast_dispatch_any() const override { return false; }
+ bool ms_can_fast_dispatch(const Message *m) const override {
+ switch (m->get_type()) {
+ case CEPH_MSG_PING:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ void ms_handle_fast_connect(Connection *con) override {
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ Mutex::Locker l(lock);
+ conns.insert(con);
+ }
+ void ms_handle_fast_accept(Connection *con) override {
+ Mutex::Locker l(lock);
+ conns.insert(con);
+ }
+ bool ms_dispatch(Message *m) override {
+ lderr(g_ceph_context) << __func__ << " conn: " << m->get_connection() << dendl;
+ Mutex::Locker l(lock);
+ count++;
+ conns.insert(m->get_connection());
+ if (conns.size() < 2 && !last_mark) {
+ m->put();
+ return true;
+ }
+
+ last_mark = true;
+ usleep(rand() % 500);
+ for (set<ConnectionRef>::iterator it = conns.begin(); it != conns.end(); ++it) {
+ if ((*it) != m->get_connection().get()) {
+ (*it)->mark_down();
+ conns.erase(it);
+ break;
+ }
+ }
+ if (conns.empty())
+ last_mark = false;
+ m->put();
+ return true;
+ }
+ bool ms_handle_reset(Connection *con) override {
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ Mutex::Locker l(lock);
+ conns.erase(con);
+ usleep(rand() % 500);
+ return true;
+ }
+ void ms_handle_remote_reset(Connection *con) override {
+ Mutex::Locker l(lock);
+ conns.erase(con);
+ lderr(g_ceph_context) << __func__ << " " << con << dendl;
+ }
+ bool ms_handle_refused(Connection *con) override {
+ return false;
+ }
+ void ms_fast_dispatch(Message *m) override {
+ ceph_abort();
+ }
+ bool ms_verify_authorizer(Connection *con, int peer_type, int protocol,
+ bufferlist& authorizer, bufferlist& authorizer_reply,
+ bool& isvalid, CryptoKey& session_key) override {
+ isvalid = true;
+ return true;
+ }
+};
+
+
+// Markdown with external lock
+TEST_P(MessengerTest, MarkdownTest) {
+ Messenger *server_msgr2 = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::OSD(0), "server", getpid(), 0);
+ MarkdownDispatcher cli_dispatcher(false), srv_dispatcher(true);
+ entity_addr_t bind_addr;
+ bind_addr.parse("127.0.0.1:16800");
+ server_msgr->bind(bind_addr);
+ server_msgr->add_dispatcher_head(&srv_dispatcher);
+ server_msgr->start();
+ bind_addr.parse("127.0.0.1:16801");
+ server_msgr2->bind(bind_addr);
+ server_msgr2->add_dispatcher_head(&srv_dispatcher);
+ server_msgr2->start();
+
+ client_msgr->add_dispatcher_head(&cli_dispatcher);
+ client_msgr->start();
+
+ int i = 1000;
+ uint64_t last = 0;
+ bool equal = false;
+ uint64_t equal_count = 0;
+ while (i--) {
+ ConnectionRef conn1 = client_msgr->get_connection(server_msgr->get_myinst());
+ ConnectionRef conn2 = client_msgr->get_connection(server_msgr2->get_myinst());
+ MPing *m = new MPing();
+ ASSERT_EQ(conn1->send_message(m), 0);
+ m = new MPing();
+ ASSERT_EQ(conn2->send_message(m), 0);
+ CHECK_AND_WAIT_TRUE(srv_dispatcher.count > last + 1);
+ if (srv_dispatcher.count == last) {
+ lderr(g_ceph_context) << __func__ << " last is " << last << dendl;
+ equal = true;
+ equal_count++;
+ } else {
+ equal = false;
+ equal_count = 0;
+ }
+ last = srv_dispatcher.count;
+ if (equal_count)
+ usleep(1000*500);
+ ASSERT_FALSE(equal && equal_count > 3);
+ }
+ server_msgr->shutdown();
+ client_msgr->shutdown();
+ server_msgr2->shutdown();
+ server_msgr->wait();
+ client_msgr->wait();
+ server_msgr2->wait();
+ delete server_msgr2;
+}
+
+INSTANTIATE_TEST_CASE_P(
+ Messenger,
+ MessengerTest,
+ ::testing::Values(
+ "async+posix",
+ "simple"
+ )
+);
+
+#else
+
+// Google Test may not support value-parameterized tests with some
+// compilers. If we use conditional compilation to compile out all
+// code referring to the gtest_main library, MSVC linker will not link
+// that library at all and consequently complain about missing entry
+// point defined in that library (fatal error LNK1561: entry point
+// must be defined). This dummy test keeps gtest_main linked in.
+TEST(DummyTest, ValueParameterizedTestsAreNotSupportedOnThisPlatform) {}
+
+#endif
+
+
+int main(int argc, char **argv) {
+ vector<const char*> args;
+ argv_to_vec(argc, (const char **)argv, args);
+ env_to_vec(args);
+
+ auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
+ g_ceph_context->_conf->set_val("auth_cluster_required", "none");
+ g_ceph_context->_conf->set_val("auth_service_required", "none");
+ g_ceph_context->_conf->set_val("auth_client_required", "none");
+ g_ceph_context->_conf->set_val("enable_experimental_unrecoverable_data_corrupting_features", "ms-type-async");
+ g_ceph_context->_conf->set_val("ms_die_on_bad_msg", "true");
+ g_ceph_context->_conf->set_val("ms_die_on_old_message", "true");
+ g_ceph_context->_conf->set_val("ms_max_backoff", "1");
+ common_init_finish(g_ceph_context);
+
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
+
+/*
+ * Local Variables:
+ * compile-command: "cd ../.. ; make -j4 ceph_test_msgr && valgrind --tool=memcheck ./ceph_test_msgr"
+ * End:
+ */
Code Review / stor4nfv.git / blobdiff