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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/**
* Copyright (c) 2018 Cornell University.
*
* Author: Ted Yin <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <cstdio>
#include <string>
#include <functional>
#include <openssl/rand.h>
#include "salticidae/msg.h"
#include "salticidae/event.h"
#include "salticidae/network.h"
#include "salticidae/stream.h"
using salticidae::NetAddr;
using salticidae::DataStream;
using salticidae::MsgNetwork;
using salticidae::ConnPool;
using salticidae::TimerEvent;
using salticidae::EventContext;
using salticidae::htole;
using salticidae::letoh;
using salticidae::bytearray_t;
using salticidae::uint256_t;
using salticidae::static_pointer_cast;
using salticidae::Config;
using salticidae::ThreadCall;
using salticidae::BoxObj;
using std::placeholders::_1;
using std::placeholders::_2;
struct MsgRand {
static const uint8_t opcode = 0x0;
DataStream serialized;
bytearray_t bytes;
MsgRand(size_t size) {
bytearray_t bytes;
bytes.resize(size);
RAND_bytes(&bytes[0], size);
serialized << std::move(bytes);
}
MsgRand(DataStream &&s) { bytes = s; }
};
struct MsgAck {
static const uint8_t opcode = 0x1;
uint256_t hash;
DataStream serialized;
MsgAck(const uint256_t &hash) { serialized << hash; }
MsgAck(DataStream &&s) { s >> hash; }
};
const uint8_t MsgRand::opcode;
const uint8_t MsgAck::opcode;
using MyNet = salticidae::PeerNetwork<uint8_t>;
std::vector<NetAddr> addrs;
struct TestContext {
TimerEvent timer;
int state;
uint256_t hash;
size_t ncompleted;
TestContext(): ncompleted(0) {}
};
struct AppContext {
NetAddr addr;
EventContext ec;
BoxObj<MyNet> net;
BoxObj<ThreadCall> tcall;
std::unordered_map<NetAddr, TestContext> tc;
};
void install_proto(AppContext &app, const size_t &seg_buff_size) {
auto &ec = app.ec;
auto &net = *app.net;
auto send_rand = [&](int size, const MyNet::conn_t &conn) {
auto &tc = app.tc[conn->get_addr()];
MsgRand msg(size);
tc.hash = msg.serialized.get_hash();
net.send_msg(std::move(msg), conn);
};
net.reg_conn_handler([&, send_rand](const ConnPool::conn_t &conn, bool connected) {
if (connected)
{
if (conn->get_mode() == ConnPool::Conn::ACTIVE)
{
auto &tc = app.tc[conn->get_addr()];
tc.state = 1;
SALTICIDAE_LOG_INFO("increasing phase");
send_rand(tc.state, static_pointer_cast<MyNet::Conn>(conn));
}
}
return true;
});
net.reg_error_handler([ec](const std::exception_ptr _err, bool fatal) {
try {
std::rethrow_exception(_err);
} catch (const std::exception & err) {
SALTICIDAE_LOG_WARN("main thread captured %s error: %s",
fatal ? "fatal" : "recoverable", err.what());
}
});
net.reg_handler([&](MsgRand &&msg, const MyNet::conn_t &conn) {
uint256_t hash = salticidae::get_hash(msg.bytes);
net.send_msg(MsgAck(hash), conn);
});
net.reg_handler([&, send_rand](MsgAck &&msg, const MyNet::conn_t &conn) {
auto &tc = app.tc[conn->get_addr()];
if (msg.hash != tc.hash)
{
SALTICIDAE_LOG_ERROR("corrupted I/O!");
exit(1);
}
if (tc.state == seg_buff_size * 2)
{
send_rand(tc.state, conn);
tc.state = -1;
tc.timer = TimerEvent(ec, [&, conn](TimerEvent &) {
tc.ncompleted++;
net.terminate(conn);
std::string s;
for (const auto &p: app.tc)
s += salticidae::stringprintf(" %d(%d)", ntohs(p.first.port), p.second.ncompleted);
SALTICIDAE_LOG_INFO("%d completed:%s", ntohs(app.addr.port), s.c_str());
});
double t = salticidae::gen_rand_timeout(10);
tc.timer.add(t);
SALTICIDAE_LOG_INFO("rand-bomboard phase, ending in %.2f secs", t);
}
else if (tc.state == -1)
send_rand(rand() % (seg_buff_size * 10), conn);
else
send_rand(++tc.state, conn);
});
}
int main(int argc, char **argv) {
Config config;
auto opt_no_msg = Config::OptValFlag::create(false);
auto opt_npeers = Config::OptValInt::create(5);
auto opt_seg_buff_size = Config::OptValInt::create(4096);
auto opt_nworker = Config::OptValInt::create(2);
auto opt_conn_timeout = Config::OptValDouble::create(5);
auto opt_ping_peroid = Config::OptValDouble::create(2);
auto opt_help = Config::OptValFlag::create(false);
config.add_opt("no-msg", opt_no_msg, Config::SWITCH_ON);
config.add_opt("npeers", opt_npeers, Config::SET_VAL);
config.add_opt("seg-buff-size", opt_seg_buff_size, Config::SET_VAL);
config.add_opt("nworker", opt_nworker, Config::SET_VAL);
config.add_opt("conn-timeout", opt_conn_timeout, Config::SET_VAL);
config.add_opt("ping-period", opt_ping_peroid, Config::SET_VAL);
config.add_opt("help", opt_help, Config::SWITCH_ON, 'h', "show this help info");
config.parse(argc, argv);
if (opt_help->get())
{
config.print_help();
exit(0);
}
size_t seg_buff_size = opt_seg_buff_size->get();
for (int i = 0; i < opt_npeers->get(); i++)
addrs.push_back(NetAddr("127.0.0.1:" + std::to_string(12345 + i)));
std::vector<AppContext> apps;
std::vector<std::thread> threads;
apps.resize(addrs.size());
for (size_t i = 0; i < apps.size(); i++)
{
auto &a = apps[i];
a.addr = addrs[i];
a.net = new MyNet(a.ec, MyNet::Config(
salticidae::ConnPool::Config()
.nworker(opt_nworker->get())
.seg_buff_size(seg_buff_size))
.conn_timeout(opt_conn_timeout->get())
.ping_period(opt_ping_peroid->get()));
a.tcall = new ThreadCall(a.ec);
if (!opt_no_msg->get())
install_proto(a, seg_buff_size);
a.net->start();
}
for (auto &a: apps)
threads.push_back(std::thread([&]() {
a.net->listen(a.addr);
for (auto &paddr: addrs)
if (paddr != a.addr) a.net->add_peer(paddr);
a.ec.dispatch();}));
EventContext ec;
auto shutdown = [&](int) {
for (auto &a: apps)
{
auto &tc = a.tcall;
tc->async_call([ec=a.ec](ThreadCall::Handle &) {
ec.stop();
});
}
for (auto &t: threads) t.join();
ec.stop();
};
salticidae::SigEvent ev_sigint(ec, shutdown);
salticidae::SigEvent ev_sigterm(ec, shutdown);
ev_sigint.add(SIGINT);
ev_sigterm.add(SIGTERM);
ec.dispatch();
return 0;
}
|