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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2015 Haomai Wang | |
7 | * | |
8 | * Author: Haomai Wang <haomaiwang@gmail.com> | |
9 | * | |
10 | * This is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License version 2.1, as published by the Free Software | |
13 | * Foundation. See file COPYING. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <stdlib.h> | |
18 | #include <stdint.h> | |
19 | #include <string> | |
20 | #include <unistd.h> | |
21 | #include <iostream> | |
22 | ||
23 | using namespace std; | |
24 | ||
25 | #include "common/ceph_argparse.h" | |
26 | #include "common/debug.h" | |
27 | #include "common/WorkQueue.h" | |
28 | #include "global/global_init.h" | |
29 | #include "msg/Messenger.h" | |
30 | #include "messages/MOSDOp.h" | |
31 | #include "messages/MOSDOpReply.h" | |
32 | #include "auth/DummyAuth.h" | |
33 | ||
34 | class ServerDispatcher : public Dispatcher { | |
35 | uint64_t think_time; | |
36 | ThreadPool op_tp; | |
37 | class OpWQ : public ThreadPool::WorkQueue<Message> { | |
38 | list<Message*> messages; | |
39 | ||
40 | public: | |
41 | OpWQ(ceph::timespan timeout, ceph::timespan suicide_timeout, ThreadPool *tp) | |
42 | : ThreadPool::WorkQueue<Message>("ServerDispatcher::OpWQ", timeout, suicide_timeout, tp) {} | |
43 | ||
44 | bool _enqueue(Message *m) override { | |
45 | messages.push_back(m); | |
46 | return true; | |
47 | } | |
48 | void _dequeue(Message *m) override { | |
49 | ceph_abort(); | |
50 | } | |
51 | bool _empty() override { | |
52 | return messages.empty(); | |
53 | } | |
54 | Message *_dequeue() override { | |
55 | if (messages.empty()) | |
56 | return NULL; | |
57 | Message *m = messages.front(); | |
58 | messages.pop_front(); | |
59 | return m; | |
60 | } | |
61 | void _process(Message *m, ThreadPool::TPHandle &handle) override { | |
62 | MOSDOp *osd_op = static_cast<MOSDOp*>(m); | |
63 | MOSDOpReply *reply = new MOSDOpReply(osd_op, 0, 0, 0, false); | |
64 | m->get_connection()->send_message(reply); | |
65 | m->put(); | |
66 | } | |
67 | void _process_finish(Message *m) override { } | |
68 | void _clear() override { | |
69 | ceph_assert(messages.empty()); | |
70 | } | |
71 | } op_wq; | |
72 | ||
73 | public: | |
74 | ServerDispatcher(int threads, uint64_t delay): Dispatcher(g_ceph_context), think_time(delay), | |
75 | op_tp(g_ceph_context, "ServerDispatcher::op_tp", "tp_serv_disp", threads, "serverdispatcher_op_threads"), | |
76 | op_wq(ceph::make_timespan(30), ceph::make_timespan(30), &op_tp) { | |
77 | op_tp.start(); | |
78 | } | |
79 | ~ServerDispatcher() override { | |
80 | op_tp.stop(); | |
81 | } | |
82 | bool ms_can_fast_dispatch_any() const override { return true; } | |
83 | bool ms_can_fast_dispatch(const Message *m) const override { | |
84 | switch (m->get_type()) { | |
85 | case CEPH_MSG_OSD_OP: | |
86 | return true; | |
87 | default: | |
88 | return false; | |
89 | } | |
90 | } | |
91 | ||
92 | void ms_handle_fast_connect(Connection *con) override {} | |
93 | void ms_handle_fast_accept(Connection *con) override {} | |
94 | bool ms_dispatch(Message *m) override { return true; } | |
95 | bool ms_handle_reset(Connection *con) override { return true; } | |
96 | void ms_handle_remote_reset(Connection *con) override {} | |
97 | bool ms_handle_refused(Connection *con) override { return false; } | |
98 | void ms_fast_dispatch(Message *m) override { | |
99 | usleep(think_time); | |
100 | //cerr << __func__ << " reply message=" << m << std::endl; | |
101 | op_wq.queue(m); | |
102 | } | |
103 | int ms_handle_fast_authentication(Connection *con) override { | |
104 | return 1; | |
105 | } | |
106 | }; | |
107 | ||
108 | class MessengerServer { | |
109 | Messenger *msgr; | |
110 | string type; | |
111 | string bindaddr; | |
112 | ServerDispatcher dispatcher; | |
113 | DummyAuthClientServer dummy_auth; | |
114 | ||
115 | public: | |
116 | MessengerServer(const string &t, const string &addr, int threads, int delay): | |
117 | msgr(NULL), type(t), bindaddr(addr), dispatcher(threads, delay), | |
118 | dummy_auth(g_ceph_context) { | |
119 | msgr = Messenger::create(g_ceph_context, type, entity_name_t::OSD(0), "server", 0); | |
120 | msgr->set_default_policy(Messenger::Policy::stateless_server(0)); | |
121 | dummy_auth.auth_registry.refresh_config(); | |
122 | msgr->set_auth_server(&dummy_auth); | |
123 | } | |
124 | ~MessengerServer() { | |
125 | msgr->shutdown(); | |
126 | msgr->wait(); | |
127 | } | |
128 | void start() { | |
129 | entity_addr_t addr; | |
130 | addr.parse(bindaddr.c_str()); | |
131 | msgr->bind(addr); | |
132 | msgr->add_dispatcher_head(&dispatcher); | |
133 | msgr->start(); | |
134 | msgr->wait(); | |
135 | } | |
136 | }; | |
137 | ||
138 | void usage(const string &name) { | |
139 | cerr << "Usage: " << name << " [bind ip:port] [server worker threads] [thinktime us]" << std::endl; | |
140 | cerr << " [bind ip:port]: The ip:port pair to bind, client need to specify this pair to connect" << std::endl; | |
141 | cerr << " [server worker threads]: threads will process incoming messages and reply(matching pg threads)" << std::endl; | |
142 | cerr << " [thinktime]: sleep time when do dispatching(match fast dispatch logic in OSD.cc)" << std::endl; | |
143 | } | |
144 | ||
145 | int main(int argc, char **argv) | |
146 | { | |
147 | auto args = argv_to_vec(argc, argv); | |
148 | ||
149 | auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, | |
150 | CODE_ENVIRONMENT_UTILITY, | |
151 | CINIT_FLAG_NO_DEFAULT_CONFIG_FILE); | |
152 | common_init_finish(g_ceph_context); | |
153 | g_ceph_context->_conf.apply_changes(nullptr); | |
154 | ||
155 | if (args.size() < 3) { | |
156 | usage(argv[0]); | |
157 | return 1; | |
158 | } | |
159 | ||
160 | int worker_threads = atoi(args[1]); | |
161 | int think_time = atoi(args[2]); | |
162 | std::string public_msgr_type = g_ceph_context->_conf->ms_public_type.empty() ? g_ceph_context->_conf.get_val<std::string>("ms_type") : g_ceph_context->_conf->ms_public_type; | |
163 | ||
164 | cerr << " This tool won't handle connection error alike things, " << std::endl; | |
165 | cerr << "please ensure the proper network environment to test." << std::endl; | |
166 | cerr << " Or ctrl+c when meeting error and restart tests" << std::endl; | |
167 | cerr << " using ms-public-type " << public_msgr_type << std::endl; | |
168 | cerr << " bind ip:port " << args[0] << std::endl; | |
169 | cerr << " worker threads " << worker_threads << std::endl; | |
170 | cerr << " thinktime(us) " << think_time << std::endl; | |
171 | ||
172 | MessengerServer server(public_msgr_type, args[0], worker_threads, think_time); | |
173 | server.start(); | |
174 | ||
175 | return 0; | |
176 | } |