1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2015 Haomai Wang
*
* Author: Haomai Wang <haomaiwang@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <stdlib.h>
#include <stdint.h>
#include <string>
#include <unistd.h>
#include <iostream>
using namespace std;
#include "common/ceph_argparse.h"
#include "common/debug.h"
#include "common/WorkQueue.h"
#include "global/global_init.h"
#include "msg/Messenger.h"
#include "messages/MOSDOp.h"
#include "messages/MOSDOpReply.h"
#include "auth/DummyAuth.h"
class ServerDispatcher : public Dispatcher {
uint64_t think_time;
ThreadPool op_tp;
class OpWQ : public ThreadPool::WorkQueue<Message> {
list<Message*> messages;
public:
OpWQ(ceph::timespan timeout, ceph::timespan suicide_timeout, ThreadPool *tp)
: ThreadPool::WorkQueue<Message>("ServerDispatcher::OpWQ", timeout, suicide_timeout, tp) {}
bool _enqueue(Message *m) override {
messages.push_back(m);
return true;
}
void _dequeue(Message *m) override {
ceph_abort();
}
bool _empty() override {
return messages.empty();
}
Message *_dequeue() override {
if (messages.empty())
return NULL;
Message *m = messages.front();
messages.pop_front();
return m;
}
void _process(Message *m, ThreadPool::TPHandle &handle) override {
MOSDOp *osd_op = static_cast<MOSDOp*>(m);
MOSDOpReply *reply = new MOSDOpReply(osd_op, 0, 0, 0, false);
m->get_connection()->send_message(reply);
m->put();
}
void _process_finish(Message *m) override { }
void _clear() override {
ceph_assert(messages.empty());
}
} op_wq;
public:
ServerDispatcher(int threads, uint64_t delay): Dispatcher(g_ceph_context), think_time(delay),
op_tp(g_ceph_context, "ServerDispatcher::op_tp", "tp_serv_disp", threads, "serverdispatcher_op_threads"),
op_wq(ceph::make_timespan(30), ceph::make_timespan(30), &op_tp) {
op_tp.start();
}
~ServerDispatcher() override {
op_tp.stop();
}
bool ms_can_fast_dispatch_any() const override { return true; }
bool ms_can_fast_dispatch(const Message *m) const override {
switch (m->get_type()) {
case CEPH_MSG_OSD_OP:
return true;
default:
return false;
}
}
void ms_handle_fast_connect(Connection *con) override {}
void ms_handle_fast_accept(Connection *con) override {}
bool ms_dispatch(Message *m) override { return true; }
bool ms_handle_reset(Connection *con) override { return true; }
void ms_handle_remote_reset(Connection *con) override {}
bool ms_handle_refused(Connection *con) override { return false; }
void ms_fast_dispatch(Message *m) override {
usleep(think_time);
//cerr << __func__ << " reply message=" << m << std::endl;
op_wq.queue(m);
}
int ms_handle_authentication(Connection *con) override {
return 1;
}
};
class MessengerServer {
Messenger *msgr;
string type;
string bindaddr;
ServerDispatcher dispatcher;
DummyAuthClientServer dummy_auth;
public:
MessengerServer(const string &t, const string &addr, int threads, int delay):
msgr(NULL), type(t), bindaddr(addr), dispatcher(threads, delay),
dummy_auth(g_ceph_context) {
msgr = Messenger::create(g_ceph_context, type, entity_name_t::OSD(0), "server", 0);
msgr->set_default_policy(Messenger::Policy::stateless_server(0));
dummy_auth.auth_registry.refresh_config();
msgr->set_auth_server(&dummy_auth);
}
~MessengerServer() {
msgr->shutdown();
msgr->wait();
}
void start() {
entity_addr_t addr;
addr.parse(bindaddr.c_str());
msgr->bind(addr);
msgr->add_dispatcher_head(&dispatcher);
msgr->start();
msgr->wait();
}
};
void usage(const string &name) {
cerr << "Usage: " << name << " [bind ip:port] [server worker threads] [thinktime us]" << std::endl;
cerr << " [bind ip:port]: The ip:port pair to bind, client need to specify this pair to connect" << std::endl;
cerr << " [server worker threads]: threads will process incoming messages and reply(matching pg threads)" << std::endl;
cerr << " [thinktime]: sleep time when do dispatching(match fast dispatch logic in OSD.cc)" << std::endl;
}
int main(int argc, char **argv)
{
vector<const char*> args;
argv_to_vec(argc, (const char **)argv, args);
auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
g_ceph_context->_conf.apply_changes(nullptr);
if (args.size() < 3) {
usage(argv[0]);
return 1;
}
int worker_threads = atoi(args[1]);
int think_time = atoi(args[2]);
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;
cerr << " This tool won't handle connection error alike things, " << std::endl;
cerr << "please ensure the proper network environment to test." << std::endl;
cerr << " Or ctrl+c when meeting error and restart tests" << std::endl;
cerr << " using ms-public-type " << public_msgr_type << std::endl;
cerr << " bind ip:port " << args[0] << std::endl;
cerr << " worker threads " << worker_threads << std::endl;
cerr << " thinktime(us) " << think_time << std::endl;
MessengerServer server(public_msgr_type, args[0], worker_threads, think_time);
server.start();
return 0;
}
|
