/
test_bonding.cpp
332 lines (268 loc) · 10.7 KB
/
test_bonding.cpp
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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
#include <future>
#include <thread>
#include <chrono>
#include <vector>
#include <functional>
#include "gtest/gtest.h"
#include "test_env.h"
#include "srt.h"
#include "netinet_any.h"
TEST(Bonding, SRTConnectGroup)
{
srt::TestInit srtinit;
struct sockaddr_in sa;
const int ss = srt_create_group(SRT_GTYPE_BROADCAST);
ASSERT_NE(ss, SRT_ERROR);
std::vector<SRT_SOCKGROUPCONFIG> targets;
for (int i = 0; i < 2; ++i)
{
sa.sin_family = AF_INET;
sa.sin_port = htons(4200 + i);
ASSERT_EQ(inet_pton(AF_INET, "192.168.1.237", &sa.sin_addr), 1);
const SRT_SOCKGROUPCONFIG gd = srt_prepare_endpoint(NULL, (struct sockaddr*)&sa, sizeof sa);
targets.push_back(gd);
}
std::future<void> closing_promise = std::async(std::launch::async, [](int s) {
std::this_thread::sleep_for(std::chrono::seconds(2));
std::cerr << "Closing group" << std::endl;
srt_close(s);
}, ss);
std::cout << "srt_connect_group calling " << std::endl;
const int st = srt_connect_group(ss, targets.data(), (int) targets.size());
std::cout << "srt_connect_group returned " << st << ", waiting for srt_close() to finish" << std::endl;
closing_promise.wait();
std::cout << "TEST: closing future has exit. Deleting all other resources\n";
// Delete config objects before prospective exception
for (auto& gd: targets)
srt_delete_config(gd.config);
int res = srt_close(ss);
std::cout << "TEST: closing ss has exit. Cleaning up\n";
if (res == SRT_ERROR)
{
std::cerr << "srt_close: " << srt_getlasterror_str() << std::endl;
}
}
#define ASSERT_SRT_SUCCESS(callform) ASSERT_NE(callform, -1) << "SRT ERROR: " << srt_getlasterror_str()
void listening_thread(bool should_read)
{
const SRTSOCKET server_sock = srt_create_socket();
sockaddr_in bind_sa;
memset(&bind_sa, 0, sizeof bind_sa);
bind_sa.sin_family = AF_INET;
ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &bind_sa.sin_addr), 1);
bind_sa.sin_port = htons(4200);
ASSERT_SRT_SUCCESS(srt_bind(server_sock, (sockaddr*)&bind_sa, sizeof bind_sa));
const int yes = 1;
ASSERT_SRT_SUCCESS(srt_setsockflag(server_sock, SRTO_GROUPCONNECT, &yes, sizeof yes));
const int no = 1;
ASSERT_SRT_SUCCESS(srt_setsockflag(server_sock, SRTO_RCVSYN, &no, sizeof no));
const int eid = srt_epoll_create();
const int listen_event = SRT_EPOLL_IN | SRT_EPOLL_ERR;
ASSERT_SRT_SUCCESS(srt_epoll_add_usock(eid, server_sock, &listen_event));
ASSERT_SRT_SUCCESS(srt_listen(server_sock, 5));
std::cout << "Listen: wait for acceptability\n";
int fds[2];
int fds_len = 2;
int ers[2];
int ers_len = 2;
ASSERT_SRT_SUCCESS(srt_epoll_wait(eid, fds, &fds_len, ers, &ers_len, 5000,
0, 0, 0, 0));
std::cout << "Listen: reported " << fds_len << " acceptable and " << ers_len << " errors\n";
ASSERT_GT(fds_len, 0);
ASSERT_EQ(fds[0], server_sock);
srt::sockaddr_any scl;
int acp = srt_accept(server_sock, (scl.get()), (&scl.len));
ASSERT_SRT_SUCCESS(acp);
ASSERT_NE(acp & SRTGROUP_MASK, 0);
if (should_read)
{
std::cout << "Listener will read packets...\n";
// Read everything until closed
int n = 0;
for (;;)
{
char buf[1500];
int rd = srt_recv(acp, buf, 1500);
if (rd == -1)
{
std::cout << "Listener read " << n << " packets, stopping\n";
break;
}
++n;
}
}
srt_close(acp);
srt_close(server_sock);
std::cout << "Listen: wait 7 seconds\n";
std::this_thread::sleep_for(std::chrono::seconds(7));
// srt_accept..
}
void ConnectCallback(void* /*opaq*/, SRTSOCKET sock, int error, const sockaddr* /*peer*/, int token)
{
std::cout << "Connect callback. Socket: " << sock
<< ", error: " << error
<< ", token: " << token << '\n';
}
TEST(Bonding, NonBlockingGroupConnect)
{
srt::TestInit srtinit;
const int ss = srt_create_group(SRT_GTYPE_BROADCAST);
ASSERT_NE(ss, SRT_ERROR);
std::cout << "Created group socket: " << ss << '\n';
int no = 0;
ASSERT_NE(srt_setsockopt(ss, 0, SRTO_RCVSYN, &no, sizeof no), SRT_ERROR); // non-blocking mode
ASSERT_NE(srt_setsockopt(ss, 0, SRTO_SNDSYN, &no, sizeof no), SRT_ERROR); // non-blocking mode
const int poll_id = srt_epoll_create();
// Will use this epoll to wait for srt_accept(...)
const int epoll_out = SRT_EPOLL_OUT | SRT_EPOLL_ERR;
ASSERT_NE(srt_epoll_add_usock(poll_id, ss, &epoll_out), SRT_ERROR);
srt_connect_callback(ss, &ConnectCallback, this);
sockaddr_in sa;
sa.sin_family = AF_INET;
sa.sin_port = htons(4200);
ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &sa.sin_addr), 1);
sockaddr_in safail = sa;
safail.sin_port = htons(4201); // port where we have no listener
std::future<void> listen_promise = std::async(std::launch::async, std::bind(&listening_thread, false));
std::cout << "Connecting two sockets " << std::endl;
{
const int sockid = srt_connect(ss, (sockaddr*) &sa, sizeof sa);
EXPECT_GT(sockid, 0) << "Socket " << 1;
sa.sin_port = htons(4201); // Changing port so that second connect fails
std::cout << "Socket created: " << sockid << '\n';
ASSERT_NE(srt_epoll_add_usock(poll_id, sockid, &epoll_out), SRT_ERROR);
}
{
const int sockid = srt_connect(ss, (sockaddr*) &safail, sizeof safail);
EXPECT_GT(sockid, 0) << "Socket " << 2;
safail.sin_port = htons(4201); // Changing port so that second connect fails
std::cout << "Socket created: " << sockid << '\n';
ASSERT_NE(srt_epoll_add_usock(poll_id, sockid, &epoll_out), SRT_ERROR);
}
std::cout << "Returned from connecting two sockets " << std::endl;
const int default_len = 3;
int rlen = default_len;
SRTSOCKET read[default_len];
int wlen = default_len;
SRTSOCKET write[default_len];
for (int j = 0; j < 2; ++j)
{
const int epoll_res = srt_epoll_wait(poll_id, read, &rlen,
write, &wlen,
5000, /* timeout */
0, 0, 0, 0);
std::cout << "Epoll result: " << epoll_res << '\n';
std::cout << "Epoll rlen: " << rlen << ", wlen: " << wlen << '\n';
for (int i = 0; i < rlen; ++i)
{
std::cout << "Epoll read[" << i << "]: " << read[i] << '\n';
}
for (int i = 0; i < wlen; ++i)
{
std::cout << "Epoll write[" << i << "]: " << write[i] << " (removed from epoll)\n";
EXPECT_EQ(srt_epoll_remove_usock(poll_id, write[i]), 0);
}
}
listen_promise.wait();
EXPECT_EQ(srt_close(ss), 0) << "srt_close: %s\n" << srt_getlasterror_str();
}
void ConnectCallback_Close(void* /*opaq*/, SRTSOCKET sock, int error, const sockaddr* /*peer*/, int token)
{
std::cout << "Connect callback. Socket: " << sock
<< ", error: " << error
<< ", token: " << token << '\n';
if (error == SRT_SUCCESS)
return;
// XXX WILL CAUSE DEADLOCK!
srt_close(sock);
}
TEST(Bonding, CloseGroupAndSocket)
{
srt::TestInit srtinit;
const int ss = srt_create_group(SRT_GTYPE_BROADCAST);
ASSERT_NE(ss, SRT_ERROR);
std::cout << "Created group socket: " << ss << '\n';
int no = 0;
ASSERT_NE(srt_setsockopt(ss, 0, SRTO_RCVSYN, &no, sizeof no), SRT_ERROR); // non-blocking mode
ASSERT_NE(srt_setsockopt(ss, 0, SRTO_SNDSYN, &no, sizeof no), SRT_ERROR); // non-blocking mode
const int poll_id = srt_epoll_create();
// Will use this epoll to wait for srt_accept(...)
const int epoll_out = SRT_EPOLL_OUT | SRT_EPOLL_ERR;
ASSERT_NE(srt_epoll_add_usock(poll_id, ss, &epoll_out), SRT_ERROR);
srt_connect_callback(ss, &ConnectCallback_Close, this);
sockaddr_in sa;
sa.sin_family = AF_INET;
sa.sin_port = htons(4200);
ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &sa.sin_addr), 1);
std::future<void> listen_promise = std::async(std::launch::async, std::bind(listening_thread, true));
std::cout << "Connecting two sockets " << std::endl;
for (int i = 0; i < 2; ++i)
{
const int sockid = srt_connect(ss, (sockaddr*) &sa, sizeof sa);
EXPECT_GT(sockid, 0) << "Socket " << i;
sa.sin_port = htons(4201); // Changing port so that second connect fails
std::cout << "Socket created: " << sockid << '\n';
ASSERT_NE(srt_epoll_add_usock(poll_id, sockid, &epoll_out), SRT_ERROR);
}
std::cout << "Returned from connecting two sockets " << std::endl;
for (int j = 0; j < 2; ++j)
{
const int default_len = 3;
int rlen = default_len;
SRTSOCKET read[default_len];
int wlen = default_len;
SRTSOCKET write[default_len];
const int epoll_res = srt_epoll_wait(poll_id, read, &rlen,
write, &wlen,
5000, /* timeout */
0, 0, 0, 0);
std::cout << "Epoll result: " << epoll_res << '\n';
std::cout << "Epoll rlen: " << rlen << ", wlen: " << wlen << '\n';
if (epoll_res < 0)
continue;
for (int i = 0; i < rlen; ++i)
{
std::cout << "Epoll read[" << i << "]: " << read[i] << '\n';
}
for (int i = 0; i < wlen; ++i)
{
std::cout << "Epoll write[" << i << "]: " << write[i] << " (removed from epoll)\n";
EXPECT_EQ(srt_epoll_remove_usock(poll_id, write[i]), 0);
}
}
// Some basic checks for group stats
SRT_TRACEBSTATS stats;
EXPECT_EQ(srt_bstats(ss, &stats, true), SRT_SUCCESS);
EXPECT_EQ(stats.pktSent, 0);
EXPECT_EQ(stats.pktSentTotal, 0);
EXPECT_EQ(stats.pktSentUnique, 0);
EXPECT_EQ(stats.pktSentUniqueTotal, 0);
EXPECT_EQ(stats.pktRecv, 0);
EXPECT_EQ(stats.pktRecvTotal, 0);
EXPECT_EQ(stats.pktRecvUnique, 0);
EXPECT_EQ(stats.pktRecvUniqueTotal, 0);
EXPECT_EQ(stats.pktRcvDrop, 0);
EXPECT_EQ(stats.pktRcvDropTotal, 0);
std::cout << "Starting thread for sending:\n";
std::thread sender([ss] {
char buf[1316];
memset(buf, 1, sizeof(buf));
int n = 0;
for (int i = 0; i < 10000; ++i)
{
std::this_thread::sleep_for(std::chrono::milliseconds(10));
if (srt_send(ss, buf, 1316) == -1)
{
std::cout << "[Sender] sending failure, exitting after sending " << n << " packets\n";
break;
}
++n;
}
});
std::cout << "Will close sending in 300ms...\n";
std::this_thread::sleep_for(std::chrono::milliseconds(300));
EXPECT_EQ(srt_close(ss), 0) << "srt_close: %s\n" << srt_getlasterror_str();
std::cout << "CLOSED GROUP. Now waiting for sender to exit...\n";
sender.join();
listen_promise.wait();
}