Commit | Line | Data |
---|---|---|
ed92ac0c | 1 | /* |
da751ca9 JA |
2 | * net engine |
3 | * | |
4 | * IO engine that reads/writes to/from sockets. | |
5 | * | |
ed92ac0c JA |
6 | */ |
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | #include <unistd.h> | |
842805f5 | 10 | #include <signal.h> |
ed92ac0c | 11 | #include <errno.h> |
ed92ac0c | 12 | #include <netinet/in.h> |
70a7878c | 13 | #include <netinet/tcp.h> |
ed92ac0c JA |
14 | #include <arpa/inet.h> |
15 | #include <netdb.h> | |
8393ca93 | 16 | #include <poll.h> |
0fd666bf | 17 | #include <sys/stat.h> |
7292056a | 18 | #include <sys/socket.h> |
0fd666bf | 19 | #include <sys/un.h> |
ed92ac0c JA |
20 | |
21 | #include "../fio.h" | |
e9ad9637 | 22 | #include "../verify.h" |
d220c761 | 23 | #include "../optgroup.h" |
ed92ac0c | 24 | |
b5af8293 JA |
25 | struct netio_data { |
26 | int listenfd; | |
9cce02e8 | 27 | int use_splice; |
71f9b933 | 28 | int seq_off; |
9cce02e8 | 29 | int pipes[2]; |
b5af8293 | 30 | struct sockaddr_in addr; |
49ccb8c1 | 31 | struct sockaddr_in6 addr6; |
0fd666bf | 32 | struct sockaddr_un addr_un; |
e9ad9637 JA |
33 | uint64_t udp_send_seq; |
34 | uint64_t udp_recv_seq; | |
b5af8293 | 35 | }; |
ed92ac0c | 36 | |
de890a1e SL |
37 | struct netio_options { |
38 | struct thread_data *td; | |
39 | unsigned int port; | |
40 | unsigned int proto; | |
41 | unsigned int listen; | |
6f73a7f8 | 42 | unsigned int pingpong; |
70a7878c | 43 | unsigned int nodelay; |
d3a623de | 44 | unsigned int ttl; |
1008602c | 45 | unsigned int window_size; |
e5f34d95 | 46 | unsigned int mss; |
f16b7405 | 47 | char *intfc; |
de890a1e SL |
48 | }; |
49 | ||
664fb3bd JA |
50 | struct udp_close_msg { |
51 | uint32_t magic; | |
52 | uint32_t cmd; | |
53 | }; | |
54 | ||
e9ad9637 JA |
55 | struct udp_seq { |
56 | uint64_t magic; | |
57 | uint64_t seq; | |
71f9b933 | 58 | uint64_t bs; |
e9ad9637 JA |
59 | }; |
60 | ||
664fb3bd JA |
61 | enum { |
62 | FIO_LINK_CLOSE = 0x89, | |
b96d2430 JA |
63 | FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, |
64 | FIO_LINK_OPEN = 0x98, | |
e9ad9637 | 65 | FIO_UDP_SEQ_MAGIC = 0x657375716e556563ULL, |
0fd666bf JA |
66 | |
67 | FIO_TYPE_TCP = 1, | |
68 | FIO_TYPE_UDP = 2, | |
69 | FIO_TYPE_UNIX = 3, | |
49ccb8c1 JA |
70 | FIO_TYPE_TCP_V6 = 4, |
71 | FIO_TYPE_UDP_V6 = 5, | |
664fb3bd JA |
72 | }; |
73 | ||
de890a1e SL |
74 | static int str_hostname_cb(void *data, const char *input); |
75 | static struct fio_option options[] = { | |
76 | { | |
77 | .name = "hostname", | |
e8b0e958 | 78 | .lname = "net engine hostname", |
de890a1e SL |
79 | .type = FIO_OPT_STR_STORE, |
80 | .cb = str_hostname_cb, | |
81 | .help = "Hostname for net IO engine", | |
e90a0adf JA |
82 | .category = FIO_OPT_C_ENGINE, |
83 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
84 | }, |
85 | { | |
86 | .name = "port", | |
e8b0e958 | 87 | .lname = "net engine port", |
de890a1e SL |
88 | .type = FIO_OPT_INT, |
89 | .off1 = offsetof(struct netio_options, port), | |
90 | .minval = 1, | |
91 | .maxval = 65535, | |
92 | .help = "Port to use for TCP or UDP net connections", | |
e90a0adf JA |
93 | .category = FIO_OPT_C_ENGINE, |
94 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
95 | }, |
96 | { | |
97 | .name = "protocol", | |
e8b0e958 | 98 | .lname = "net engine protocol", |
de890a1e SL |
99 | .alias = "proto", |
100 | .type = FIO_OPT_STR, | |
101 | .off1 = offsetof(struct netio_options, proto), | |
102 | .help = "Network protocol to use", | |
103 | .def = "tcp", | |
104 | .posval = { | |
105 | { .ival = "tcp", | |
106 | .oval = FIO_TYPE_TCP, | |
107 | .help = "Transmission Control Protocol", | |
108 | }, | |
eb232310 | 109 | #ifdef CONFIG_IPV6 |
49ccb8c1 JA |
110 | { .ival = "tcpv6", |
111 | .oval = FIO_TYPE_TCP_V6, | |
112 | .help = "Transmission Control Protocol V6", | |
113 | }, | |
eb232310 | 114 | #endif |
de890a1e SL |
115 | { .ival = "udp", |
116 | .oval = FIO_TYPE_UDP, | |
f5cc3d0e | 117 | .help = "User Datagram Protocol", |
de890a1e | 118 | }, |
eb232310 | 119 | #ifdef CONFIG_IPV6 |
49ccb8c1 JA |
120 | { .ival = "udpv6", |
121 | .oval = FIO_TYPE_UDP_V6, | |
122 | .help = "User Datagram Protocol V6", | |
123 | }, | |
eb232310 | 124 | #endif |
de890a1e SL |
125 | { .ival = "unix", |
126 | .oval = FIO_TYPE_UNIX, | |
127 | .help = "UNIX domain socket", | |
128 | }, | |
129 | }, | |
e90a0adf JA |
130 | .category = FIO_OPT_C_ENGINE, |
131 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 132 | }, |
1eafa37a | 133 | #ifdef CONFIG_TCP_NODELAY |
70a7878c SN |
134 | { |
135 | .name = "nodelay", | |
dda13f44 | 136 | .lname = "No Delay", |
70a7878c SN |
137 | .type = FIO_OPT_BOOL, |
138 | .off1 = offsetof(struct netio_options, nodelay), | |
139 | .help = "Use TCP_NODELAY on TCP connections", | |
e90a0adf JA |
140 | .category = FIO_OPT_C_ENGINE, |
141 | .group = FIO_OPT_G_NETIO, | |
70a7878c | 142 | }, |
1eafa37a | 143 | #endif |
de890a1e SL |
144 | { |
145 | .name = "listen", | |
e8b0e958 | 146 | .lname = "net engine listen", |
de890a1e SL |
147 | .type = FIO_OPT_STR_SET, |
148 | .off1 = offsetof(struct netio_options, listen), | |
149 | .help = "Listen for incoming TCP connections", | |
e90a0adf JA |
150 | .category = FIO_OPT_C_ENGINE, |
151 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 152 | }, |
6f73a7f8 JA |
153 | { |
154 | .name = "pingpong", | |
dda13f44 | 155 | .lname = "Ping Pong", |
6f73a7f8 JA |
156 | .type = FIO_OPT_STR_SET, |
157 | .off1 = offsetof(struct netio_options, pingpong), | |
158 | .help = "Ping-pong IO requests", | |
e90a0adf JA |
159 | .category = FIO_OPT_C_ENGINE, |
160 | .group = FIO_OPT_G_NETIO, | |
6f73a7f8 | 161 | }, |
b93b6a2e SB |
162 | { |
163 | .name = "interface", | |
164 | .lname = "net engine interface", | |
165 | .type = FIO_OPT_STR_STORE, | |
f16b7405 | 166 | .off1 = offsetof(struct netio_options, intfc), |
b93b6a2e SB |
167 | .help = "Network interface to use", |
168 | .category = FIO_OPT_C_ENGINE, | |
169 | .group = FIO_OPT_G_NETIO, | |
170 | }, | |
d3a623de SB |
171 | { |
172 | .name = "ttl", | |
173 | .lname = "net engine multicast ttl", | |
174 | .type = FIO_OPT_INT, | |
175 | .off1 = offsetof(struct netio_options, ttl), | |
176 | .def = "1", | |
177 | .minval = 0, | |
178 | .help = "Time-to-live value for outgoing UDP multicast packets", | |
179 | .category = FIO_OPT_C_ENGINE, | |
180 | .group = FIO_OPT_G_NETIO, | |
181 | }, | |
1008602c JA |
182 | #ifdef CONFIG_NET_WINDOWSIZE |
183 | { | |
184 | .name = "window_size", | |
185 | .lname = "Window Size", | |
186 | .type = FIO_OPT_INT, | |
187 | .off1 = offsetof(struct netio_options, window_size), | |
188 | .minval = 0, | |
189 | .help = "Set socket buffer window size", | |
190 | .category = FIO_OPT_C_ENGINE, | |
191 | .group = FIO_OPT_G_NETIO, | |
192 | }, | |
e5f34d95 JA |
193 | #endif |
194 | #ifdef CONFIG_NET_MSS | |
195 | { | |
196 | .name = "mss", | |
197 | .lname = "Maximum segment size", | |
198 | .type = FIO_OPT_INT, | |
199 | .off1 = offsetof(struct netio_options, mss), | |
200 | .minval = 0, | |
201 | .help = "Set TCP maximum segment size", | |
202 | .category = FIO_OPT_C_ENGINE, | |
203 | .group = FIO_OPT_G_NETIO, | |
204 | }, | |
1008602c | 205 | #endif |
de890a1e SL |
206 | { |
207 | .name = NULL, | |
208 | }, | |
209 | }; | |
210 | ||
49ccb8c1 JA |
211 | static inline int is_udp(struct netio_options *o) |
212 | { | |
213 | return o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_UDP_V6; | |
214 | } | |
215 | ||
216 | static inline int is_tcp(struct netio_options *o) | |
217 | { | |
218 | return o->proto == FIO_TYPE_TCP || o->proto == FIO_TYPE_TCP_V6; | |
219 | } | |
220 | ||
221 | static inline int is_ipv6(struct netio_options *o) | |
222 | { | |
223 | return o->proto == FIO_TYPE_UDP_V6 || o->proto == FIO_TYPE_TCP_V6; | |
224 | } | |
225 | ||
1008602c JA |
226 | static int set_window_size(struct thread_data *td, int fd) |
227 | { | |
228 | #ifdef CONFIG_NET_WINDOWSIZE | |
229 | struct netio_options *o = td->eo; | |
230 | unsigned int wss; | |
231 | int snd, rcv, ret; | |
232 | ||
233 | if (!o->window_size) | |
234 | return 0; | |
235 | ||
236 | rcv = o->listen || o->pingpong; | |
237 | snd = !o->listen || o->pingpong; | |
238 | wss = o->window_size; | |
239 | ret = 0; | |
240 | ||
241 | if (rcv) { | |
242 | ret = setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void *) &wss, | |
243 | sizeof(wss)); | |
244 | if (ret < 0) | |
245 | td_verror(td, errno, "rcvbuf window size"); | |
246 | } | |
247 | if (snd && !ret) { | |
248 | ret = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void *) &wss, | |
249 | sizeof(wss)); | |
250 | if (ret < 0) | |
251 | td_verror(td, errno, "sndbuf window size"); | |
252 | } | |
253 | ||
254 | return ret; | |
255 | #else | |
256 | td_verror(td, -EINVAL, "setsockopt window size"); | |
257 | return -1; | |
258 | #endif | |
259 | } | |
260 | ||
e5f34d95 JA |
261 | static int set_mss(struct thread_data *td, int fd) |
262 | { | |
263 | #ifdef CONFIG_NET_MSS | |
264 | struct netio_options *o = td->eo; | |
265 | unsigned int mss; | |
266 | int ret; | |
267 | ||
268 | if (!o->mss || !is_tcp(o)) | |
269 | return 0; | |
270 | ||
271 | mss = o->mss; | |
272 | ret = setsockopt(fd, IPPROTO_TCP, TCP_MAXSEG, (void *) &mss, | |
273 | sizeof(mss)); | |
274 | if (ret < 0) | |
275 | td_verror(td, errno, "setsockopt TCP_MAXSEG"); | |
276 | ||
277 | return ret; | |
278 | #else | |
279 | td_verror(td, -EINVAL, "setsockopt TCP_MAXSEG"); | |
280 | return -1; | |
281 | #endif | |
282 | } | |
283 | ||
284 | ||
371d456c JA |
285 | /* |
286 | * Return -1 for error and 'nr events' for a positive number | |
287 | * of events | |
288 | */ | |
289 | static int poll_wait(struct thread_data *td, int fd, short events) | |
290 | { | |
291 | struct pollfd pfd; | |
292 | int ret; | |
293 | ||
294 | while (!td->terminate) { | |
295 | pfd.fd = fd; | |
296 | pfd.events = events; | |
297 | ret = poll(&pfd, 1, -1); | |
298 | if (ret < 0) { | |
299 | if (errno == EINTR) | |
d5b388a5 | 300 | break; |
371d456c JA |
301 | |
302 | td_verror(td, errno, "poll"); | |
303 | return -1; | |
304 | } else if (!ret) | |
305 | continue; | |
306 | ||
307 | break; | |
308 | } | |
309 | ||
310 | if (pfd.revents & events) | |
311 | return 1; | |
371d456c JA |
312 | |
313 | return -1; | |
314 | } | |
315 | ||
b511c9aa SB |
316 | static int fio_netio_is_multicast(const char *mcaddr) |
317 | { | |
318 | in_addr_t addr = inet_network(mcaddr); | |
319 | if (addr == -1) | |
320 | return 0; | |
321 | ||
322 | if (inet_network("224.0.0.0") <= addr && | |
323 | inet_network("239.255.255.255") >= addr) | |
324 | return 1; | |
325 | ||
326 | return 0; | |
327 | } | |
328 | ||
329 | ||
ed92ac0c JA |
330 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
331 | { | |
de890a1e | 332 | struct netio_options *o = td->eo; |
ed92ac0c | 333 | |
7a6499da JA |
334 | /* |
335 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
336 | */ | |
49ccb8c1 | 337 | if (is_tcp(o)) |
de890a1e SL |
338 | return 0; |
339 | ||
340 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
341 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 342 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 343 | return 1; |
ed92ac0c | 344 | } |
3f457bea | 345 | |
f85ac25a | 346 | return 0; |
ed92ac0c JA |
347 | } |
348 | ||
67bf9823 | 349 | #ifdef CONFIG_LINUX_SPLICE |
cd963e18 | 350 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 351 | { |
9cce02e8 | 352 | int bytes = 0; |
7a6499da | 353 | |
9cce02e8 | 354 | while (len) { |
cd963e18 | 355 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
356 | |
357 | if (ret < 0) { | |
358 | if (!bytes) | |
359 | bytes = ret; | |
360 | ||
361 | break; | |
362 | } else if (!ret) | |
363 | break; | |
364 | ||
365 | bytes += ret; | |
f657a2fb | 366 | len -= ret; |
9cce02e8 JA |
367 | } |
368 | ||
369 | return bytes; | |
370 | } | |
371 | ||
372 | /* | |
cd963e18 | 373 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 374 | */ |
cd963e18 | 375 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 376 | { |
565e784d | 377 | struct netio_data *nd = td->io_ops_data; |
9cce02e8 | 378 | |
cd963e18 | 379 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
380 | } |
381 | ||
382 | /* | |
cd963e18 | 383 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 384 | */ |
cd963e18 JA |
385 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
386 | unsigned int len) | |
9cce02e8 | 387 | { |
565e784d | 388 | struct netio_data *nd = td->io_ops_data; |
cd963e18 JA |
389 | |
390 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
391 | } | |
392 | ||
393 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
394 | { | |
9cce02e8 JA |
395 | struct iovec iov = { |
396 | .iov_base = io_u->xfer_buf, | |
397 | .iov_len = len, | |
398 | }; | |
399 | int bytes = 0; | |
400 | ||
401 | while (iov.iov_len) { | |
cd963e18 | 402 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
403 | |
404 | if (ret < 0) { | |
405 | if (!bytes) | |
406 | bytes = ret; | |
407 | break; | |
408 | } else if (!ret) | |
409 | break; | |
410 | ||
411 | iov.iov_len -= ret; | |
cd963e18 | 412 | iov.iov_base += ret; |
f657a2fb | 413 | bytes += ret; |
9cce02e8 JA |
414 | } |
415 | ||
416 | return bytes; | |
cd963e18 | 417 | |
9cce02e8 JA |
418 | } |
419 | ||
420 | /* | |
cd963e18 | 421 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 422 | */ |
cd963e18 JA |
423 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
424 | unsigned int len) | |
9cce02e8 | 425 | { |
565e784d | 426 | struct netio_data *nd = td->io_ops_data; |
9cce02e8 | 427 | |
cd963e18 JA |
428 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
429 | } | |
9cce02e8 | 430 | |
cd963e18 JA |
431 | /* |
432 | * vmsplice() io_u to pipe | |
433 | */ | |
434 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
435 | { | |
565e784d | 436 | struct netio_data *nd = td->io_ops_data; |
ed92ac0c | 437 | |
cd963e18 | 438 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
439 | } |
440 | ||
cd963e18 JA |
441 | /* |
442 | * splice receive - transfer socket data into a pipe using splice, then map | |
443 | * that pipe data into the io_u using vmsplice. | |
444 | */ | |
9cce02e8 JA |
445 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
446 | { | |
447 | int ret; | |
448 | ||
449 | ret = splice_in(td, io_u); | |
cd963e18 JA |
450 | if (ret > 0) |
451 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 452 | |
cd963e18 | 453 | return ret; |
9cce02e8 JA |
454 | } |
455 | ||
cd963e18 JA |
456 | /* |
457 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
458 | * then transfer that pipe to a socket using splice. | |
459 | */ | |
9cce02e8 JA |
460 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
461 | { | |
462 | int ret; | |
463 | ||
464 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
465 | if (ret > 0) |
466 | return splice_out(td, io_u, ret); | |
9cce02e8 | 467 | |
cd963e18 | 468 | return ret; |
9cce02e8 | 469 | } |
5921e80c JA |
470 | #else |
471 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
472 | { | |
af8771b9 | 473 | errno = EOPNOTSUPP; |
5921e80c JA |
474 | return -1; |
475 | } | |
476 | ||
477 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
478 | { | |
af8771b9 | 479 | errno = EOPNOTSUPP; |
5921e80c JA |
480 | return -1; |
481 | } | |
482 | #endif | |
9cce02e8 | 483 | |
e9ad9637 JA |
484 | static void store_udp_seq(struct netio_data *nd, struct io_u *io_u) |
485 | { | |
486 | struct udp_seq *us; | |
487 | ||
ae703cdf SN |
488 | if (io_u->xfer_buflen < sizeof(*us)) |
489 | return; | |
490 | ||
e9ad9637 | 491 | us = io_u->xfer_buf + io_u->xfer_buflen - sizeof(*us); |
e341a7f0 | 492 | us->magic = cpu_to_le64((uint64_t) FIO_UDP_SEQ_MAGIC); |
71f9b933 | 493 | us->bs = cpu_to_le64((uint64_t) io_u->xfer_buflen); |
e9ad9637 JA |
494 | us->seq = cpu_to_le64(nd->udp_send_seq++); |
495 | } | |
496 | ||
3bcb9d94 JA |
497 | static void verify_udp_seq(struct thread_data *td, struct netio_data *nd, |
498 | struct io_u *io_u) | |
e9ad9637 JA |
499 | { |
500 | struct udp_seq *us; | |
501 | uint64_t seq; | |
502 | ||
ae703cdf SN |
503 | if (io_u->xfer_buflen < sizeof(*us)) |
504 | return; | |
505 | ||
71f9b933 JA |
506 | if (nd->seq_off) |
507 | return; | |
508 | ||
e9ad9637 JA |
509 | us = io_u->xfer_buf + io_u->xfer_buflen - sizeof(*us); |
510 | if (le64_to_cpu(us->magic) != FIO_UDP_SEQ_MAGIC) | |
511 | return; | |
71f9b933 JA |
512 | if (le64_to_cpu(us->bs) != io_u->xfer_buflen) { |
513 | nd->seq_off = 1; | |
514 | return; | |
515 | } | |
e9ad9637 JA |
516 | |
517 | seq = le64_to_cpu(us->seq); | |
518 | ||
519 | if (seq != nd->udp_recv_seq) | |
3bcb9d94 | 520 | td->ts.drop_io_u[io_u->ddir] += seq - nd->udp_recv_seq; |
e9ad9637 JA |
521 | |
522 | nd->udp_recv_seq = seq + 1; | |
523 | } | |
524 | ||
9cce02e8 JA |
525 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) |
526 | { | |
565e784d | 527 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 528 | struct netio_options *o = td->eo; |
6f73a7f8 | 529 | int ret, flags = 0; |
371d456c | 530 | |
664fb3bd | 531 | do { |
49ccb8c1 | 532 | if (is_udp(o)) { |
10aa136b | 533 | const struct sockaddr *to; |
49ccb8c1 JA |
534 | socklen_t len; |
535 | ||
536 | if (is_ipv6(o)) { | |
537 | to = (struct sockaddr *) &nd->addr6; | |
538 | len = sizeof(nd->addr6); | |
539 | } else { | |
540 | to = (struct sockaddr *) &nd->addr; | |
541 | len = sizeof(nd->addr); | |
542 | } | |
62b38926 | 543 | |
e9ad9637 JA |
544 | if (td->o.verify == VERIFY_NONE) |
545 | store_udp_seq(nd, io_u); | |
546 | ||
664fb3bd | 547 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
49ccb8c1 | 548 | io_u->xfer_buflen, flags, to, len); |
664fb3bd JA |
549 | } else { |
550 | /* | |
551 | * if we are going to write more, set MSG_MORE | |
552 | */ | |
5921e80c | 553 | #ifdef MSG_MORE |
6f73a7f8 JA |
554 | if ((td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
555 | td->o.size) && !o->pingpong) | |
664fb3bd | 556 | flags |= MSG_MORE; |
5921e80c | 557 | #endif |
664fb3bd JA |
558 | ret = send(io_u->file->fd, io_u->xfer_buf, |
559 | io_u->xfer_buflen, flags); | |
560 | } | |
561 | if (ret > 0) | |
562 | break; | |
9cce02e8 | 563 | |
664fb3bd JA |
564 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
565 | if (ret <= 0) | |
566 | break; | |
664fb3bd JA |
567 | } while (1); |
568 | ||
569 | return ret; | |
570 | } | |
571 | ||
6b37db5b | 572 | static int is_close_msg(struct io_u *io_u, int len) |
664fb3bd JA |
573 | { |
574 | struct udp_close_msg *msg; | |
575 | ||
576 | if (len != sizeof(struct udp_close_msg)) | |
577 | return 0; | |
578 | ||
579 | msg = io_u->xfer_buf; | |
6b37db5b | 580 | if (le32_to_cpu(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) |
664fb3bd | 581 | return 0; |
6b37db5b | 582 | if (le32_to_cpu(msg->cmd) != FIO_LINK_CLOSE) |
664fb3bd JA |
583 | return 0; |
584 | ||
585 | return 1; | |
9cce02e8 JA |
586 | } |
587 | ||
414c2a3e | 588 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 589 | { |
565e784d | 590 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 591 | struct netio_options *o = td->eo; |
6f73a7f8 | 592 | int ret, flags = 0; |
664fb3bd JA |
593 | |
594 | do { | |
49ccb8c1 | 595 | if (is_udp(o)) { |
b511c9aa | 596 | struct sockaddr *from; |
49ccb8c1 | 597 | socklen_t l, *len = &l; |
b511c9aa SB |
598 | |
599 | if (o->listen) { | |
49ccb8c1 JA |
600 | if (!is_ipv6(o)) { |
601 | from = (struct sockaddr *) &nd->addr; | |
602 | *len = sizeof(nd->addr); | |
603 | } else { | |
604 | from = (struct sockaddr *) &nd->addr6; | |
605 | *len = sizeof(nd->addr6); | |
606 | } | |
b511c9aa SB |
607 | } else { |
608 | from = NULL; | |
609 | len = NULL; | |
610 | } | |
664fb3bd JA |
611 | |
612 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
b511c9aa | 613 | io_u->xfer_buflen, flags, from, len); |
e9ad9637 | 614 | |
6b37db5b | 615 | if (is_close_msg(io_u, ret)) { |
664fb3bd JA |
616 | td->done = 1; |
617 | return 0; | |
618 | } | |
619 | } else { | |
620 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
621 | io_u->xfer_buflen, flags); | |
6b37db5b JA |
622 | |
623 | if (is_close_msg(io_u, ret)) { | |
624 | td->done = 1; | |
625 | return 0; | |
626 | } | |
664fb3bd JA |
627 | } |
628 | if (ret > 0) | |
629 | break; | |
7d988f68 JA |
630 | else if (!ret && (flags & MSG_WAITALL)) |
631 | break; | |
9cce02e8 | 632 | |
664fb3bd JA |
633 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
634 | if (ret <= 0) | |
635 | break; | |
664fb3bd JA |
636 | flags |= MSG_WAITALL; |
637 | } while (1); | |
414c2a3e | 638 | |
e9ad9637 | 639 | if (is_udp(o) && td->o.verify == VERIFY_NONE) |
3bcb9d94 | 640 | verify_udp_seq(td, nd, io_u); |
e9ad9637 | 641 | |
664fb3bd | 642 | return ret; |
9cce02e8 JA |
643 | } |
644 | ||
2e4ef4fb JA |
645 | static enum fio_q_status __fio_netio_queue(struct thread_data *td, |
646 | struct io_u *io_u, | |
647 | enum fio_ddir ddir) | |
9cce02e8 | 648 | { |
565e784d | 649 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 650 | struct netio_options *o = td->eo; |
9cce02e8 JA |
651 | int ret; |
652 | ||
6f73a7f8 | 653 | if (ddir == DDIR_WRITE) { |
49ccb8c1 | 654 | if (!nd->use_splice || is_udp(o) || |
de890a1e | 655 | o->proto == FIO_TYPE_UNIX) |
9cce02e8 | 656 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
657 | else |
658 | ret = fio_netio_splice_out(td, io_u); | |
6f73a7f8 | 659 | } else if (ddir == DDIR_READ) { |
49ccb8c1 | 660 | if (!nd->use_splice || is_udp(o) || |
de890a1e | 661 | o->proto == FIO_TYPE_UNIX) |
414c2a3e | 662 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 663 | else |
414c2a3e | 664 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 665 | } else |
7a6499da | 666 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 667 | |
cec6b55d | 668 | if (ret != (int) io_u->xfer_buflen) { |
f6846c65 | 669 | if (ret > 0) { |
cec6b55d JA |
670 | io_u->resid = io_u->xfer_buflen - ret; |
671 | io_u->error = 0; | |
36167d82 | 672 | return FIO_Q_COMPLETED; |
f6846c65 JA |
673 | } else if (!ret) |
674 | return FIO_Q_BUSY; | |
675 | else { | |
414c2a3e JA |
676 | int err = errno; |
677 | ||
6f73a7f8 | 678 | if (ddir == DDIR_WRITE && err == EMSGSIZE) |
414c2a3e JA |
679 | return FIO_Q_BUSY; |
680 | ||
681 | io_u->error = err; | |
682 | } | |
ed92ac0c JA |
683 | } |
684 | ||
36167d82 | 685 | if (io_u->error) |
e1161c32 | 686 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 687 | |
36167d82 | 688 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
689 | } |
690 | ||
2e4ef4fb JA |
691 | static enum fio_q_status fio_netio_queue(struct thread_data *td, |
692 | struct io_u *io_u) | |
6f73a7f8 JA |
693 | { |
694 | struct netio_options *o = td->eo; | |
695 | int ret; | |
696 | ||
697 | fio_ro_check(td, io_u); | |
698 | ||
699 | ret = __fio_netio_queue(td, io_u, io_u->ddir); | |
700 | if (!o->pingpong || ret != FIO_Q_COMPLETED) | |
701 | return ret; | |
702 | ||
703 | /* | |
704 | * For ping-pong mode, receive or send reply as needed | |
705 | */ | |
706 | if (td_read(td) && io_u->ddir == DDIR_READ) | |
707 | ret = __fio_netio_queue(td, io_u, DDIR_WRITE); | |
708 | else if (td_write(td) && io_u->ddir == DDIR_WRITE) | |
709 | ret = __fio_netio_queue(td, io_u, DDIR_READ); | |
710 | ||
711 | return ret; | |
712 | } | |
713 | ||
b5af8293 | 714 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 715 | { |
565e784d | 716 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 717 | struct netio_options *o = td->eo; |
6264c7a8 | 718 | int type, domain; |
414c2a3e | 719 | |
de890a1e | 720 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 721 | domain = AF_INET; |
414c2a3e | 722 | type = SOCK_STREAM; |
49ccb8c1 JA |
723 | } else if (o->proto == FIO_TYPE_TCP_V6) { |
724 | domain = AF_INET6; | |
725 | type = SOCK_STREAM; | |
de890a1e | 726 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 727 | domain = AF_INET; |
414c2a3e | 728 | type = SOCK_DGRAM; |
49ccb8c1 JA |
729 | } else if (o->proto == FIO_TYPE_UDP_V6) { |
730 | domain = AF_INET6; | |
731 | type = SOCK_DGRAM; | |
de890a1e | 732 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
733 | domain = AF_UNIX; |
734 | type = SOCK_STREAM; | |
735 | } else { | |
de890a1e | 736 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
737 | f->fd = -1; |
738 | return 1; | |
739 | } | |
ed92ac0c | 740 | |
0fd666bf | 741 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
742 | if (f->fd < 0) { |
743 | td_verror(td, errno, "socket"); | |
744 | return 1; | |
ed92ac0c JA |
745 | } |
746 | ||
1eafa37a | 747 | #ifdef CONFIG_TCP_NODELAY |
49ccb8c1 | 748 | if (o->nodelay && is_tcp(o)) { |
6264c7a8 JA |
749 | int optval = 1; |
750 | ||
26e594a5 | 751 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
752 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
753 | return 1; | |
754 | } | |
755 | } | |
1eafa37a | 756 | #endif |
70a7878c | 757 | |
1008602c JA |
758 | if (set_window_size(td, f->fd)) { |
759 | close(f->fd); | |
760 | return 1; | |
761 | } | |
e5f34d95 JA |
762 | if (set_mss(td, f->fd)) { |
763 | close(f->fd); | |
764 | return 1; | |
765 | } | |
1008602c | 766 | |
49ccb8c1 | 767 | if (is_udp(o)) { |
d3a623de SB |
768 | if (!fio_netio_is_multicast(td->o.filename)) |
769 | return 0; | |
49ccb8c1 JA |
770 | if (is_ipv6(o)) { |
771 | log_err("fio: multicast not supported on IPv6\n"); | |
772 | close(f->fd); | |
773 | return 1; | |
774 | } | |
d3a623de | 775 | |
f16b7405 | 776 | if (o->intfc) { |
b93b6a2e | 777 | struct in_addr interface_addr; |
49ccb8c1 | 778 | |
f16b7405 | 779 | if (inet_aton(o->intfc, &interface_addr) == 0) { |
b93b6a2e SB |
780 | log_err("fio: interface not valid interface IP\n"); |
781 | close(f->fd); | |
782 | return 1; | |
783 | } | |
f16b7405 | 784 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, (const char*)&interface_addr, sizeof(interface_addr)) < 0) { |
b93b6a2e SB |
785 | td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); |
786 | close(f->fd); | |
787 | return 1; | |
788 | } | |
789 | } | |
f16b7405 | 790 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, (const char*)&o->ttl, sizeof(o->ttl)) < 0) { |
d3a623de SB |
791 | td_verror(td, errno, "setsockopt IP_MULTICAST_TTL"); |
792 | close(f->fd); | |
793 | return 1; | |
794 | } | |
414c2a3e | 795 | return 0; |
b93b6a2e | 796 | } else if (o->proto == FIO_TYPE_TCP) { |
67bf9823 | 797 | socklen_t len = sizeof(nd->addr); |
414c2a3e | 798 | |
0fd666bf JA |
799 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
800 | td_verror(td, errno, "connect"); | |
b94cba47 | 801 | close(f->fd); |
0fd666bf JA |
802 | return 1; |
803 | } | |
49ccb8c1 JA |
804 | } else if (o->proto == FIO_TYPE_TCP_V6) { |
805 | socklen_t len = sizeof(nd->addr6); | |
806 | ||
807 | if (connect(f->fd, (struct sockaddr *) &nd->addr6, len) < 0) { | |
808 | td_verror(td, errno, "connect"); | |
809 | close(f->fd); | |
810 | return 1; | |
811 | } | |
812 | ||
0fd666bf JA |
813 | } else { |
814 | struct sockaddr_un *addr = &nd->addr_un; | |
67bf9823 | 815 | socklen_t len; |
0fd666bf JA |
816 | |
817 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
818 | ||
819 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
820 | td_verror(td, errno, "connect"); | |
b94cba47 | 821 | close(f->fd); |
0fd666bf JA |
822 | return 1; |
823 | } | |
ed92ac0c JA |
824 | } |
825 | ||
826 | return 0; | |
ed92ac0c JA |
827 | } |
828 | ||
b5af8293 | 829 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 830 | { |
565e784d | 831 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 832 | struct netio_options *o = td->eo; |
49ccb8c1 | 833 | socklen_t socklen; |
6264c7a8 | 834 | int state; |
5fdd124a | 835 | |
49ccb8c1 | 836 | if (is_udp(o)) { |
414c2a3e JA |
837 | f->fd = nd->listenfd; |
838 | return 0; | |
839 | } | |
840 | ||
859088d3 JA |
841 | state = td->runstate; |
842 | td_set_runstate(td, TD_SETTING_UP); | |
843 | ||
6d86144d | 844 | log_info("fio: waiting for connection\n"); |
5fdd124a | 845 | |
371d456c | 846 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
859088d3 | 847 | goto err; |
0c09442b | 848 | |
49ccb8c1 JA |
849 | if (o->proto == FIO_TYPE_TCP) { |
850 | socklen = sizeof(nd->addr); | |
851 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); | |
852 | } else { | |
853 | socklen = sizeof(nd->addr6); | |
854 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr6, &socklen); | |
855 | } | |
856 | ||
371d456c JA |
857 | if (f->fd < 0) { |
858 | td_verror(td, errno, "accept"); | |
859088d3 | 859 | goto err; |
b5af8293 | 860 | } |
5fdd124a | 861 | |
1eafa37a | 862 | #ifdef CONFIG_TCP_NODELAY |
49ccb8c1 | 863 | if (o->nodelay && is_tcp(o)) { |
6264c7a8 JA |
864 | int optval = 1; |
865 | ||
26e594a5 | 866 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
867 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
868 | return 1; | |
869 | } | |
870 | } | |
1eafa37a | 871 | #endif |
70a7878c | 872 | |
0cae16ff | 873 | reset_all_stats(td); |
859088d3 | 874 | td_set_runstate(td, state); |
b5af8293 | 875 | return 0; |
859088d3 JA |
876 | err: |
877 | td_set_runstate(td, state); | |
878 | return 1; | |
b5af8293 JA |
879 | } |
880 | ||
6b37db5b | 881 | static void fio_netio_send_close(struct thread_data *td, struct fio_file *f) |
664fb3bd | 882 | { |
565e784d | 883 | struct netio_data *nd = td->io_ops_data; |
49ccb8c1 | 884 | struct netio_options *o = td->eo; |
664fb3bd | 885 | struct udp_close_msg msg; |
49ccb8c1 JA |
886 | struct sockaddr *to; |
887 | socklen_t len; | |
664fb3bd JA |
888 | int ret; |
889 | ||
49ccb8c1 JA |
890 | if (is_ipv6(o)) { |
891 | to = (struct sockaddr *) &nd->addr6; | |
892 | len = sizeof(nd->addr6); | |
893 | } else { | |
894 | to = (struct sockaddr *) &nd->addr; | |
895 | len = sizeof(nd->addr); | |
896 | } | |
897 | ||
6b37db5b JA |
898 | msg.magic = cpu_to_le32((uint32_t) FIO_LINK_OPEN_CLOSE_MAGIC); |
899 | msg.cmd = cpu_to_le32((uint32_t) FIO_LINK_CLOSE); | |
664fb3bd | 900 | |
49ccb8c1 | 901 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); |
664fb3bd JA |
902 | if (ret < 0) |
903 | td_verror(td, errno, "sendto udp link close"); | |
904 | } | |
905 | ||
906 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
907 | { | |
664fb3bd | 908 | /* |
6b37db5b | 909 | * Notify the receiver that we are closing down the link |
664fb3bd | 910 | */ |
6b37db5b | 911 | fio_netio_send_close(td, f); |
664fb3bd JA |
912 | |
913 | return generic_close_file(td, f); | |
914 | } | |
915 | ||
b96d2430 JA |
916 | static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) |
917 | { | |
565e784d | 918 | struct netio_data *nd = td->io_ops_data; |
49ccb8c1 | 919 | struct netio_options *o = td->eo; |
b96d2430 | 920 | struct udp_close_msg msg; |
49ccb8c1 JA |
921 | struct sockaddr *to; |
922 | socklen_t len; | |
b96d2430 JA |
923 | int ret; |
924 | ||
49ccb8c1 JA |
925 | if (is_ipv6(o)) { |
926 | len = sizeof(nd->addr6); | |
927 | to = (struct sockaddr *) &nd->addr6; | |
928 | } else { | |
929 | len = sizeof(nd->addr); | |
930 | to = (struct sockaddr *) &nd->addr; | |
931 | } | |
932 | ||
1f81991e | 933 | ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); |
b96d2430 | 934 | if (ret < 0) { |
ee7062fd | 935 | td_verror(td, errno, "recvfrom udp link open"); |
b96d2430 JA |
936 | return ret; |
937 | } | |
938 | ||
939 | if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || | |
940 | ntohl(msg.cmd) != FIO_LINK_OPEN) { | |
0cef322a SW |
941 | log_err("fio: bad udp open magic %x/%x\n", |
942 | (unsigned int) ntohl(msg.magic), | |
943 | (unsigned int) ntohl(msg.cmd)); | |
b96d2430 JA |
944 | return -1; |
945 | } | |
946 | ||
e9ad9637 | 947 | fio_gettime(&td->start, NULL); |
b96d2430 JA |
948 | return 0; |
949 | } | |
950 | ||
6b37db5b | 951 | static int fio_netio_send_open(struct thread_data *td, struct fio_file *f) |
b96d2430 | 952 | { |
565e784d | 953 | struct netio_data *nd = td->io_ops_data; |
49ccb8c1 | 954 | struct netio_options *o = td->eo; |
b96d2430 | 955 | struct udp_close_msg msg; |
49ccb8c1 JA |
956 | struct sockaddr *to; |
957 | socklen_t len; | |
b96d2430 JA |
958 | int ret; |
959 | ||
49ccb8c1 JA |
960 | if (is_ipv6(o)) { |
961 | len = sizeof(nd->addr6); | |
962 | to = (struct sockaddr *) &nd->addr6; | |
963 | } else { | |
964 | len = sizeof(nd->addr); | |
965 | to = (struct sockaddr *) &nd->addr; | |
966 | } | |
967 | ||
b96d2430 JA |
968 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
969 | msg.cmd = htonl(FIO_LINK_OPEN); | |
970 | ||
49ccb8c1 | 971 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); |
b96d2430 JA |
972 | if (ret < 0) { |
973 | td_verror(td, errno, "sendto udp link open"); | |
974 | return ret; | |
975 | } | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
980 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) | |
981 | { | |
982 | int ret; | |
983 | struct netio_options *o = td->eo; | |
984 | ||
985 | if (o->listen) | |
986 | ret = fio_netio_accept(td, f); | |
987 | else | |
988 | ret = fio_netio_connect(td, f); | |
989 | ||
990 | if (ret) { | |
991 | f->fd = -1; | |
992 | return ret; | |
993 | } | |
994 | ||
49ccb8c1 | 995 | if (is_udp(o)) { |
b96d2430 | 996 | if (td_write(td)) |
6b37db5b | 997 | ret = fio_netio_send_open(td, f); |
b96d2430 JA |
998 | else { |
999 | int state; | |
1000 | ||
1001 | state = td->runstate; | |
1002 | td_set_runstate(td, TD_SETTING_UP); | |
1003 | ret = fio_netio_udp_recv_open(td, f); | |
1004 | td_set_runstate(td, state); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | if (ret) | |
1009 | fio_netio_close_file(td, f); | |
1010 | ||
1011 | return ret; | |
1012 | } | |
1013 | ||
0b783341 JA |
1014 | static int fio_fill_addr(struct thread_data *td, const char *host, int af, |
1015 | void *dst, struct addrinfo **res) | |
1016 | { | |
1017 | struct netio_options *o = td->eo; | |
1018 | struct addrinfo hints; | |
1019 | int ret; | |
1020 | ||
1021 | if (inet_pton(af, host, dst)) | |
1022 | return 0; | |
1023 | ||
1024 | memset(&hints, 0, sizeof(hints)); | |
0b783341 JA |
1025 | |
1026 | if (is_tcp(o)) | |
1027 | hints.ai_socktype = SOCK_STREAM; | |
1028 | else | |
1029 | hints.ai_socktype = SOCK_DGRAM; | |
1030 | ||
b1b1be2a JA |
1031 | if (is_ipv6(o)) |
1032 | hints.ai_family = AF_INET6; | |
1033 | else | |
1034 | hints.ai_family = AF_INET; | |
1035 | ||
0b783341 JA |
1036 | ret = getaddrinfo(host, NULL, &hints, res); |
1037 | if (ret) { | |
1038 | int e = EINVAL; | |
1039 | char str[128]; | |
1040 | ||
1041 | if (ret == EAI_SYSTEM) | |
1042 | e = errno; | |
1043 | ||
1044 | snprintf(str, sizeof(str), "getaddrinfo: %s", gai_strerror(ret)); | |
1045 | td_verror(td, e, str); | |
1046 | return 1; | |
1047 | } | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
0fd666bf JA |
1052 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
1053 | const char *host, unsigned short port) | |
b5af8293 | 1054 | { |
565e784d | 1055 | struct netio_data *nd = td->io_ops_data; |
49ccb8c1 | 1056 | struct netio_options *o = td->eo; |
0b783341 JA |
1057 | struct addrinfo *res = NULL; |
1058 | void *dst, *src; | |
1059 | int af, len; | |
b5af8293 | 1060 | |
166dce4b JA |
1061 | if (!host) { |
1062 | log_err("fio: connect with no host to connect to.\n"); | |
1063 | if (td_read(td)) | |
1064 | log_err("fio: did you forget to set 'listen'?\n"); | |
1065 | ||
1066 | td_verror(td, EINVAL, "no hostname= set"); | |
1067 | return 1; | |
1068 | } | |
1069 | ||
0b783341 JA |
1070 | nd->addr.sin_family = AF_INET; |
1071 | nd->addr.sin_port = htons(port); | |
1072 | nd->addr6.sin6_family = AF_INET6; | |
1073 | nd->addr6.sin6_port = htons(port); | |
b5af8293 | 1074 | |
0b783341 JA |
1075 | if (is_ipv6(o)) { |
1076 | af = AF_INET6; | |
68631b36 | 1077 | dst = &nd->addr6.sin6_addr; |
49ccb8c1 | 1078 | } else { |
0b783341 | 1079 | af = AF_INET; |
68631b36 | 1080 | dst = &nd->addr.sin_addr; |
0b783341 | 1081 | } |
49ccb8c1 | 1082 | |
0b783341 JA |
1083 | if (fio_fill_addr(td, host, af, dst, &res)) |
1084 | return 1; | |
49ccb8c1 | 1085 | |
0b783341 JA |
1086 | if (!res) |
1087 | return 0; | |
49ccb8c1 | 1088 | |
0b783341 JA |
1089 | if (is_ipv6(o)) { |
1090 | len = sizeof(nd->addr6.sin6_addr); | |
1091 | src = &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr; | |
1092 | } else { | |
1093 | len = sizeof(nd->addr.sin_addr); | |
1094 | src = &((struct sockaddr_in *) res->ai_addr)->sin_addr; | |
5fdd124a JA |
1095 | } |
1096 | ||
0b783341 JA |
1097 | memcpy(dst, src, len); |
1098 | freeaddrinfo(res); | |
5fdd124a JA |
1099 | return 0; |
1100 | } | |
1101 | ||
0fd666bf JA |
1102 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
1103 | const char *path) | |
1104 | { | |
565e784d | 1105 | struct netio_data *nd = td->io_ops_data; |
0fd666bf JA |
1106 | struct sockaddr_un *soun = &nd->addr_un; |
1107 | ||
1108 | soun->sun_family = AF_UNIX; | |
36833fb0 | 1109 | snprintf(soun->sun_path, sizeof(soun->sun_path), "%s", path); |
0fd666bf JA |
1110 | return 0; |
1111 | } | |
1112 | ||
de890a1e | 1113 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 1114 | { |
de890a1e | 1115 | struct netio_options *o = td->eo; |
0fd666bf | 1116 | |
49ccb8c1 | 1117 | if (is_udp(o) || is_tcp(o)) |
de890a1e | 1118 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); |
0fd666bf | 1119 | else |
de890a1e | 1120 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
1121 | } |
1122 | ||
1123 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
1124 | { | |
565e784d | 1125 | struct netio_data *nd = td->io_ops_data; |
0fd666bf JA |
1126 | struct sockaddr_un *addr = &nd->addr_un; |
1127 | mode_t mode; | |
1128 | int len, fd; | |
1129 | ||
1130 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
1131 | if (fd < 0) { | |
1132 | log_err("fio: socket: %s\n", strerror(errno)); | |
1133 | return -1; | |
1134 | } | |
1135 | ||
1136 | mode = umask(000); | |
1137 | ||
0fd666bf | 1138 | addr->sun_family = AF_UNIX; |
36833fb0 | 1139 | snprintf(addr->sun_path, sizeof(addr->sun_path), "%s", path); |
0fd666bf JA |
1140 | unlink(path); |
1141 | ||
1142 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
1143 | ||
1144 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
1145 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1146 | close(fd); |
0fd666bf JA |
1147 | return -1; |
1148 | } | |
1149 | ||
1150 | umask(mode); | |
1151 | nd->listenfd = fd; | |
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 1156 | { |
565e784d | 1157 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 1158 | struct netio_options *o = td->eo; |
b511c9aa SB |
1159 | struct ip_mreq mr; |
1160 | struct sockaddr_in sin; | |
49ccb8c1 JA |
1161 | struct sockaddr *saddr; |
1162 | int fd, opt, type, domain; | |
1163 | socklen_t len; | |
ed92ac0c | 1164 | |
b511c9aa | 1165 | memset(&sin, 0, sizeof(sin)); |
49ccb8c1 JA |
1166 | |
1167 | if (o->proto == FIO_TYPE_TCP) { | |
414c2a3e | 1168 | type = SOCK_STREAM; |
49ccb8c1 JA |
1169 | domain = AF_INET; |
1170 | } else if (o->proto == FIO_TYPE_TCP_V6) { | |
1171 | type = SOCK_STREAM; | |
1172 | domain = AF_INET6; | |
1173 | } else if (o->proto == FIO_TYPE_UDP) { | |
414c2a3e | 1174 | type = SOCK_DGRAM; |
49ccb8c1 JA |
1175 | domain = AF_INET; |
1176 | } else if (o->proto == FIO_TYPE_UDP_V6) { | |
1177 | type = SOCK_DGRAM; | |
1178 | domain = AF_INET6; | |
1179 | } else { | |
1180 | log_err("fio: unknown proto %d\n", o->proto); | |
1181 | return 1; | |
1182 | } | |
414c2a3e | 1183 | |
49ccb8c1 | 1184 | fd = socket(domain, type, 0); |
ed92ac0c | 1185 | if (fd < 0) { |
e1161c32 | 1186 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
1187 | return 1; |
1188 | } | |
1189 | ||
1190 | opt = 1; | |
26e594a5 | 1191 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 1192 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 1193 | close(fd); |
ed92ac0c JA |
1194 | return 1; |
1195 | } | |
6bedbfaf | 1196 | #ifdef SO_REUSEPORT |
26e594a5 | 1197 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 1198 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 1199 | close(fd); |
6bedbfaf JA |
1200 | return 1; |
1201 | } | |
1202 | #endif | |
ed92ac0c | 1203 | |
1008602c JA |
1204 | if (set_window_size(td, fd)) { |
1205 | close(fd); | |
1206 | return 1; | |
1207 | } | |
e5f34d95 JA |
1208 | if (set_mss(td, fd)) { |
1209 | close(fd); | |
1210 | return 1; | |
1211 | } | |
1008602c | 1212 | |
6611e9c7 | 1213 | if (td->o.filename) { |
49ccb8c1 | 1214 | if (!is_udp(o) || !fio_netio_is_multicast(td->o.filename)) { |
b511c9aa SB |
1215 | log_err("fio: hostname not valid for non-multicast inbound network IO\n"); |
1216 | close(fd); | |
1217 | return 1; | |
1218 | } | |
6611e9c7 | 1219 | if (is_ipv6(o)) { |
c5839011 | 1220 | log_err("fio: IPv6 not supported for multicast network IO\n"); |
6611e9c7 JA |
1221 | close(fd); |
1222 | return 1; | |
1223 | } | |
b511c9aa SB |
1224 | |
1225 | inet_aton(td->o.filename, &sin.sin_addr); | |
1226 | ||
1227 | mr.imr_multiaddr = sin.sin_addr; | |
f16b7405 BC |
1228 | if (o->intfc) { |
1229 | if (inet_aton(o->intfc, &mr.imr_interface) == 0) { | |
b93b6a2e SB |
1230 | log_err("fio: interface not valid interface IP\n"); |
1231 | close(fd); | |
1232 | return 1; | |
1233 | } | |
1234 | } else { | |
1235 | mr.imr_interface.s_addr = htonl(INADDR_ANY); | |
1236 | } | |
6611e9c7 | 1237 | |
f16b7405 | 1238 | if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&mr, sizeof(mr)) < 0) { |
b511c9aa SB |
1239 | td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); |
1240 | close(fd); | |
1241 | return 1; | |
1242 | } | |
1243 | } | |
1244 | ||
49ccb8c1 JA |
1245 | if (!is_ipv6(o)) { |
1246 | saddr = (struct sockaddr *) &nd->addr; | |
1247 | len = sizeof(nd->addr); | |
1248 | ||
1249 | nd->addr.sin_family = AF_INET; | |
1250 | nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); | |
1251 | nd->addr.sin_port = htons(port); | |
1252 | } else { | |
1253 | saddr = (struct sockaddr *) &nd->addr6; | |
1254 | len = sizeof(nd->addr6); | |
1255 | ||
1256 | nd->addr6.sin6_family = AF_INET6; | |
66f7a56f | 1257 | nd->addr6.sin6_addr = in6addr_any; |
49ccb8c1 JA |
1258 | nd->addr6.sin6_port = htons(port); |
1259 | } | |
ed92ac0c | 1260 | |
49ccb8c1 | 1261 | if (bind(fd, saddr, len) < 0) { |
d19cedd6 | 1262 | close(fd); |
e1161c32 | 1263 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
1264 | return 1; |
1265 | } | |
0fd666bf JA |
1266 | |
1267 | nd->listenfd = fd; | |
1268 | return 0; | |
1269 | } | |
1270 | ||
de890a1e | 1271 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf | 1272 | { |
565e784d | 1273 | struct netio_data *nd = td->io_ops_data; |
de890a1e | 1274 | struct netio_options *o = td->eo; |
0fd666bf JA |
1275 | int ret; |
1276 | ||
49ccb8c1 | 1277 | if (is_udp(o) || is_tcp(o)) |
de890a1e | 1278 | ret = fio_netio_setup_listen_inet(td, o->port); |
0fd666bf | 1279 | else |
de890a1e | 1280 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
1281 | |
1282 | if (ret) | |
1283 | return ret; | |
49ccb8c1 | 1284 | if (is_udp(o)) |
0fd666bf JA |
1285 | return 0; |
1286 | ||
1287 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 1288 | td_verror(td, errno, "listen"); |
0fd666bf | 1289 | nd->listenfd = -1; |
ed92ac0c JA |
1290 | return 1; |
1291 | } | |
1292 | ||
b5af8293 | 1293 | return 0; |
ed92ac0c JA |
1294 | } |
1295 | ||
9bec88e1 | 1296 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 1297 | { |
de890a1e | 1298 | struct netio_options *o = td->eo; |
af52b345 | 1299 | int ret; |
ed92ac0c | 1300 | |
3f457bea BC |
1301 | #ifdef WIN32 |
1302 | WSADATA wsd; | |
1303 | WSAStartup(MAKEWORD(2,2), &wsd); | |
1304 | #endif | |
1305 | ||
16d55aae JA |
1306 | if (td_random(td)) { |
1307 | log_err("fio: network IO can't be random\n"); | |
1308 | return 1; | |
1309 | } | |
ed92ac0c | 1310 | |
de890a1e SL |
1311 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
1312 | log_err("fio: network IO port not valid with unix socket\n"); | |
1313 | return 1; | |
1314 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
1315 | log_err("fio: network IO requires port for tcp or udp\n"); | |
1316 | return 1; | |
1317 | } | |
ed92ac0c | 1318 | |
9e6ca396 JA |
1319 | o->port += td->subjob_number; |
1320 | ||
49ccb8c1 | 1321 | if (!is_tcp(o)) { |
de890a1e | 1322 | if (o->listen) { |
9b986065 JA |
1323 | log_err("fio: listen only valid for TCP proto IO\n"); |
1324 | return 1; | |
de890a1e SL |
1325 | } |
1326 | if (td_rw(td)) { | |
9b986065 | 1327 | log_err("fio: datagram network connections must be" |
de890a1e | 1328 | " read OR write\n"); |
9b986065 JA |
1329 | return 1; |
1330 | } | |
1331 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
1332 | log_err("fio: UNIX sockets need host/filename\n"); | |
1333 | return 1; | |
de890a1e SL |
1334 | } |
1335 | o->listen = td_read(td); | |
1336 | } | |
443662ef | 1337 | |
de890a1e SL |
1338 | if (o->listen) |
1339 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 1340 | else |
de890a1e | 1341 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 1342 | |
7bb48f84 | 1343 | return ret; |
ed92ac0c JA |
1344 | } |
1345 | ||
b5af8293 | 1346 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 1347 | { |
565e784d | 1348 | struct netio_data *nd = td->io_ops_data; |
b5af8293 JA |
1349 | |
1350 | if (nd) { | |
64b24cd8 JA |
1351 | if (nd->listenfd != -1) |
1352 | close(nd->listenfd); | |
1353 | if (nd->pipes[0] != -1) | |
1354 | close(nd->pipes[0]); | |
1355 | if (nd->pipes[1] != -1) | |
1356 | close(nd->pipes[1]); | |
1357 | ||
b5af8293 | 1358 | free(nd); |
b5af8293 JA |
1359 | } |
1360 | } | |
1361 | ||
1362 | static int fio_netio_setup(struct thread_data *td) | |
1363 | { | |
7bb48f84 | 1364 | struct netio_data *nd; |
7bb48f84 | 1365 | |
de890a1e | 1366 | if (!td->files_index) { |
5903e7b7 | 1367 | add_file(td, td->o.filename ?: "net", 0, 0); |
de890a1e | 1368 | td->o.nr_files = td->o.nr_files ?: 1; |
b53f2c54 | 1369 | td->o.open_files++; |
de890a1e SL |
1370 | } |
1371 | ||
565e784d | 1372 | if (!td->io_ops_data) { |
ca1bc514 | 1373 | nd = malloc(sizeof(*nd)); |
7bb48f84 JA |
1374 | |
1375 | memset(nd, 0, sizeof(*nd)); | |
1376 | nd->listenfd = -1; | |
64b24cd8 | 1377 | nd->pipes[0] = nd->pipes[1] = -1; |
565e784d | 1378 | td->io_ops_data = nd; |
7bb48f84 | 1379 | } |
b5af8293 | 1380 | |
9bec88e1 JA |
1381 | return 0; |
1382 | } | |
1383 | ||
36d80bc7 JA |
1384 | static void fio_netio_terminate(struct thread_data *td) |
1385 | { | |
c5dd6d89 | 1386 | kill(td->pid, SIGTERM); |
36d80bc7 JA |
1387 | } |
1388 | ||
67bf9823 | 1389 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 JA |
1390 | static int fio_netio_setup_splice(struct thread_data *td) |
1391 | { | |
1392 | struct netio_data *nd; | |
1393 | ||
1394 | fio_netio_setup(td); | |
1395 | ||
565e784d | 1396 | nd = td->io_ops_data; |
9cce02e8 JA |
1397 | if (nd) { |
1398 | if (pipe(nd->pipes) < 0) | |
1399 | return 1; | |
1400 | ||
1401 | nd->use_splice = 1; | |
1402 | return 0; | |
1403 | } | |
1404 | ||
1405 | return 1; | |
1406 | } | |
1407 | ||
5921e80c | 1408 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
1409 | .name = "netsplice", |
1410 | .version = FIO_IOOPS_VERSION, | |
1411 | .prep = fio_netio_prep, | |
1412 | .queue = fio_netio_queue, | |
1413 | .setup = fio_netio_setup_splice, | |
1414 | .init = fio_netio_init, | |
1415 | .cleanup = fio_netio_cleanup, | |
1416 | .open_file = fio_netio_open_file, | |
36d80bc7 JA |
1417 | .close_file = fio_netio_close_file, |
1418 | .terminate = fio_netio_terminate, | |
de890a1e SL |
1419 | .options = options, |
1420 | .option_struct_size = sizeof(struct netio_options), | |
1421 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
36d80bc7 | 1422 | FIO_PIPEIO, |
ed92ac0c | 1423 | }; |
5921e80c | 1424 | #endif |
ed92ac0c | 1425 | |
5921e80c | 1426 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
1427 | .name = "net", |
1428 | .version = FIO_IOOPS_VERSION, | |
1429 | .prep = fio_netio_prep, | |
1430 | .queue = fio_netio_queue, | |
1431 | .setup = fio_netio_setup, | |
1432 | .init = fio_netio_init, | |
1433 | .cleanup = fio_netio_cleanup, | |
1434 | .open_file = fio_netio_open_file, | |
1435 | .close_file = fio_netio_close_file, | |
36d80bc7 | 1436 | .terminate = fio_netio_terminate, |
de890a1e SL |
1437 | .options = options, |
1438 | .option_struct_size = sizeof(struct netio_options), | |
1439 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
ad705bcb | 1440 | FIO_PIPEIO | FIO_BIT_BASED, |
9cce02e8 JA |
1441 | }; |
1442 | ||
de890a1e SL |
1443 | static int str_hostname_cb(void *data, const char *input) |
1444 | { | |
1445 | struct netio_options *o = data; | |
1446 | ||
1447 | if (o->td->o.filename) | |
1448 | free(o->td->o.filename); | |
1449 | o->td->o.filename = strdup(input); | |
1450 | return 0; | |
1451 | } | |
1452 | ||
ed92ac0c JA |
1453 | static void fio_init fio_netio_register(void) |
1454 | { | |
9cce02e8 | 1455 | register_ioengine(&ioengine_rw); |
67bf9823 | 1456 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1457 | register_ioengine(&ioengine_splice); |
5921e80c | 1458 | #endif |
ed92ac0c JA |
1459 | } |
1460 | ||
1461 | static void fio_exit fio_netio_unregister(void) | |
1462 | { | |
9cce02e8 | 1463 | unregister_ioengine(&ioengine_rw); |
67bf9823 | 1464 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1465 | unregister_ioengine(&ioengine_splice); |
5921e80c | 1466 | #endif |
ed92ac0c | 1467 | } |