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> | |
10 | #include <errno.h> | |
11 | #include <assert.h> | |
12 | #include <netinet/in.h> | |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
5fdd124a | 15 | #include <sys/poll.h> |
7292056a | 16 | #include <sys/types.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" | |
ed92ac0c | 22 | |
b5af8293 JA |
23 | struct netio_data { |
24 | int listenfd; | |
9cce02e8 JA |
25 | int use_splice; |
26 | int pipes[2]; | |
b5af8293 | 27 | struct sockaddr_in addr; |
0fd666bf | 28 | struct sockaddr_un addr_un; |
b5af8293 | 29 | }; |
ed92ac0c | 30 | |
de890a1e SL |
31 | struct netio_options { |
32 | struct thread_data *td; | |
33 | unsigned int port; | |
34 | unsigned int proto; | |
35 | unsigned int listen; | |
36 | }; | |
37 | ||
664fb3bd JA |
38 | struct udp_close_msg { |
39 | uint32_t magic; | |
40 | uint32_t cmd; | |
41 | }; | |
42 | ||
43 | enum { | |
44 | FIO_LINK_CLOSE = 0x89, | |
45 | FIO_LINK_CLOSE_MAGIC = 0x6c696e6b, | |
0fd666bf JA |
46 | |
47 | FIO_TYPE_TCP = 1, | |
48 | FIO_TYPE_UDP = 2, | |
49 | FIO_TYPE_UNIX = 3, | |
664fb3bd JA |
50 | }; |
51 | ||
de890a1e SL |
52 | static int str_hostname_cb(void *data, const char *input); |
53 | static struct fio_option options[] = { | |
54 | { | |
55 | .name = "hostname", | |
56 | .type = FIO_OPT_STR_STORE, | |
57 | .cb = str_hostname_cb, | |
58 | .help = "Hostname for net IO engine", | |
59 | }, | |
60 | { | |
61 | .name = "port", | |
62 | .type = FIO_OPT_INT, | |
63 | .off1 = offsetof(struct netio_options, port), | |
64 | .minval = 1, | |
65 | .maxval = 65535, | |
66 | .help = "Port to use for TCP or UDP net connections", | |
67 | }, | |
68 | { | |
69 | .name = "protocol", | |
70 | .alias = "proto", | |
71 | .type = FIO_OPT_STR, | |
72 | .off1 = offsetof(struct netio_options, proto), | |
73 | .help = "Network protocol to use", | |
74 | .def = "tcp", | |
75 | .posval = { | |
76 | { .ival = "tcp", | |
77 | .oval = FIO_TYPE_TCP, | |
78 | .help = "Transmission Control Protocol", | |
79 | }, | |
80 | { .ival = "udp", | |
81 | .oval = FIO_TYPE_UDP, | |
f5cc3d0e | 82 | .help = "User Datagram Protocol", |
de890a1e SL |
83 | }, |
84 | { .ival = "unix", | |
85 | .oval = FIO_TYPE_UNIX, | |
86 | .help = "UNIX domain socket", | |
87 | }, | |
88 | }, | |
89 | }, | |
90 | { | |
91 | .name = "listen", | |
92 | .type = FIO_OPT_STR_SET, | |
93 | .off1 = offsetof(struct netio_options, listen), | |
94 | .help = "Listen for incoming TCP connections", | |
95 | }, | |
96 | { | |
97 | .name = NULL, | |
98 | }, | |
99 | }; | |
100 | ||
371d456c JA |
101 | /* |
102 | * Return -1 for error and 'nr events' for a positive number | |
103 | * of events | |
104 | */ | |
105 | static int poll_wait(struct thread_data *td, int fd, short events) | |
106 | { | |
107 | struct pollfd pfd; | |
108 | int ret; | |
109 | ||
110 | while (!td->terminate) { | |
111 | pfd.fd = fd; | |
112 | pfd.events = events; | |
113 | ret = poll(&pfd, 1, -1); | |
114 | if (ret < 0) { | |
115 | if (errno == EINTR) | |
d5b388a5 | 116 | break; |
371d456c JA |
117 | |
118 | td_verror(td, errno, "poll"); | |
119 | return -1; | |
120 | } else if (!ret) | |
121 | continue; | |
122 | ||
123 | break; | |
124 | } | |
125 | ||
126 | if (pfd.revents & events) | |
127 | return 1; | |
371d456c JA |
128 | |
129 | return -1; | |
130 | } | |
131 | ||
ed92ac0c JA |
132 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
133 | { | |
de890a1e | 134 | struct netio_options *o = td->eo; |
ed92ac0c | 135 | |
7a6499da JA |
136 | /* |
137 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
138 | */ | |
de890a1e SL |
139 | if (o->proto == FIO_TYPE_TCP) |
140 | return 0; | |
141 | ||
142 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
143 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 144 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 145 | return 1; |
ed92ac0c | 146 | } |
3f457bea | 147 | |
f85ac25a | 148 | return 0; |
ed92ac0c JA |
149 | } |
150 | ||
5921e80c | 151 | #ifdef FIO_HAVE_SPLICE |
cd963e18 | 152 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 153 | { |
9cce02e8 | 154 | int bytes = 0; |
7a6499da | 155 | |
9cce02e8 | 156 | while (len) { |
cd963e18 | 157 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
158 | |
159 | if (ret < 0) { | |
160 | if (!bytes) | |
161 | bytes = ret; | |
162 | ||
163 | break; | |
164 | } else if (!ret) | |
165 | break; | |
166 | ||
167 | bytes += ret; | |
f657a2fb | 168 | len -= ret; |
9cce02e8 JA |
169 | } |
170 | ||
171 | return bytes; | |
172 | } | |
173 | ||
174 | /* | |
cd963e18 | 175 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 176 | */ |
cd963e18 | 177 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
178 | { |
179 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 180 | |
cd963e18 | 181 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
182 | } |
183 | ||
184 | /* | |
cd963e18 | 185 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 186 | */ |
cd963e18 JA |
187 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
188 | unsigned int len) | |
9cce02e8 JA |
189 | { |
190 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
191 | |
192 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
193 | } | |
194 | ||
195 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
196 | { | |
9cce02e8 JA |
197 | struct iovec iov = { |
198 | .iov_base = io_u->xfer_buf, | |
199 | .iov_len = len, | |
200 | }; | |
201 | int bytes = 0; | |
202 | ||
203 | while (iov.iov_len) { | |
cd963e18 | 204 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
205 | |
206 | if (ret < 0) { | |
207 | if (!bytes) | |
208 | bytes = ret; | |
209 | break; | |
210 | } else if (!ret) | |
211 | break; | |
212 | ||
213 | iov.iov_len -= ret; | |
cd963e18 | 214 | iov.iov_base += ret; |
f657a2fb | 215 | bytes += ret; |
9cce02e8 JA |
216 | } |
217 | ||
218 | return bytes; | |
cd963e18 | 219 | |
9cce02e8 JA |
220 | } |
221 | ||
222 | /* | |
cd963e18 | 223 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 224 | */ |
cd963e18 JA |
225 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
226 | unsigned int len) | |
9cce02e8 JA |
227 | { |
228 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 229 | |
cd963e18 JA |
230 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
231 | } | |
9cce02e8 | 232 | |
cd963e18 JA |
233 | /* |
234 | * vmsplice() io_u to pipe | |
235 | */ | |
236 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
237 | { | |
238 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 239 | |
cd963e18 | 240 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
241 | } |
242 | ||
cd963e18 JA |
243 | /* |
244 | * splice receive - transfer socket data into a pipe using splice, then map | |
245 | * that pipe data into the io_u using vmsplice. | |
246 | */ | |
9cce02e8 JA |
247 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
248 | { | |
249 | int ret; | |
250 | ||
251 | ret = splice_in(td, io_u); | |
cd963e18 JA |
252 | if (ret > 0) |
253 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 254 | |
cd963e18 | 255 | return ret; |
9cce02e8 JA |
256 | } |
257 | ||
cd963e18 JA |
258 | /* |
259 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
260 | * then transfer that pipe to a socket using splice. | |
261 | */ | |
9cce02e8 JA |
262 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
263 | { | |
264 | int ret; | |
265 | ||
266 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
267 | if (ret > 0) |
268 | return splice_out(td, io_u, ret); | |
9cce02e8 | 269 | |
cd963e18 | 270 | return ret; |
9cce02e8 | 271 | } |
5921e80c JA |
272 | #else |
273 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
274 | { | |
af8771b9 | 275 | errno = EOPNOTSUPP; |
5921e80c JA |
276 | return -1; |
277 | } | |
278 | ||
279 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
280 | { | |
af8771b9 | 281 | errno = EOPNOTSUPP; |
5921e80c JA |
282 | return -1; |
283 | } | |
284 | #endif | |
9cce02e8 JA |
285 | |
286 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
287 | { | |
414c2a3e | 288 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 289 | struct netio_options *o = td->eo; |
8e239cae | 290 | int ret, flags = OS_MSG_DONTWAIT; |
371d456c | 291 | |
664fb3bd | 292 | do { |
de890a1e | 293 | if (o->proto == FIO_TYPE_UDP) { |
62b38926 JA |
294 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
295 | ||
664fb3bd | 296 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
62b38926 JA |
297 | io_u->xfer_buflen, flags, to, |
298 | sizeof(*to)); | |
664fb3bd JA |
299 | } else { |
300 | /* | |
301 | * if we are going to write more, set MSG_MORE | |
302 | */ | |
5921e80c | 303 | #ifdef MSG_MORE |
664fb3bd JA |
304 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
305 | td->o.size) | |
306 | flags |= MSG_MORE; | |
5921e80c | 307 | #endif |
664fb3bd JA |
308 | ret = send(io_u->file->fd, io_u->xfer_buf, |
309 | io_u->xfer_buflen, flags); | |
310 | } | |
311 | if (ret > 0) | |
312 | break; | |
9cce02e8 | 313 | |
664fb3bd JA |
314 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
315 | if (ret <= 0) | |
316 | break; | |
317 | ||
8e239cae | 318 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
319 | } while (1); |
320 | ||
321 | return ret; | |
322 | } | |
323 | ||
324 | static int is_udp_close(struct io_u *io_u, int len) | |
325 | { | |
326 | struct udp_close_msg *msg; | |
327 | ||
328 | if (len != sizeof(struct udp_close_msg)) | |
329 | return 0; | |
330 | ||
331 | msg = io_u->xfer_buf; | |
332 | if (ntohl(msg->magic) != FIO_LINK_CLOSE_MAGIC) | |
333 | return 0; | |
334 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
335 | return 0; | |
336 | ||
337 | return 1; | |
9cce02e8 JA |
338 | } |
339 | ||
414c2a3e | 340 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 341 | { |
414c2a3e | 342 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 343 | struct netio_options *o = td->eo; |
8e239cae | 344 | int ret, flags = OS_MSG_DONTWAIT; |
664fb3bd JA |
345 | |
346 | do { | |
de890a1e | 347 | if (o->proto == FIO_TYPE_UDP) { |
5ba13ea6 | 348 | fio_socklen_t len = sizeof(nd->addr); |
62b38926 | 349 | struct sockaddr *from = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
350 | |
351 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
62b38926 | 352 | io_u->xfer_buflen, flags, from, &len); |
664fb3bd JA |
353 | if (is_udp_close(io_u, ret)) { |
354 | td->done = 1; | |
355 | return 0; | |
356 | } | |
357 | } else { | |
358 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
359 | io_u->xfer_buflen, flags); | |
360 | } | |
361 | if (ret > 0) | |
362 | break; | |
7d988f68 JA |
363 | else if (!ret && (flags & MSG_WAITALL)) |
364 | break; | |
9cce02e8 | 365 | |
664fb3bd JA |
366 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
367 | if (ret <= 0) | |
368 | break; | |
8e239cae | 369 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
370 | flags |= MSG_WAITALL; |
371 | } while (1); | |
414c2a3e | 372 | |
664fb3bd | 373 | return ret; |
9cce02e8 JA |
374 | } |
375 | ||
376 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) | |
377 | { | |
378 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 379 | struct netio_options *o = td->eo; |
9cce02e8 JA |
380 | int ret; |
381 | ||
7101d9c2 JA |
382 | fio_ro_check(td, io_u); |
383 | ||
9cce02e8 | 384 | if (io_u->ddir == DDIR_WRITE) { |
de890a1e SL |
385 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
386 | o->proto == FIO_TYPE_UNIX) | |
9cce02e8 | 387 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
388 | else |
389 | ret = fio_netio_splice_out(td, io_u); | |
d4f12dd0 | 390 | } else if (io_u->ddir == DDIR_READ) { |
de890a1e SL |
391 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
392 | o->proto == FIO_TYPE_UNIX) | |
414c2a3e | 393 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 394 | else |
414c2a3e | 395 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 396 | } else |
7a6499da | 397 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 398 | |
cec6b55d | 399 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 400 | if (ret >= 0) { |
cec6b55d JA |
401 | io_u->resid = io_u->xfer_buflen - ret; |
402 | io_u->error = 0; | |
36167d82 | 403 | return FIO_Q_COMPLETED; |
414c2a3e JA |
404 | } else { |
405 | int err = errno; | |
406 | ||
407 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) | |
408 | return FIO_Q_BUSY; | |
409 | ||
410 | io_u->error = err; | |
411 | } | |
ed92ac0c JA |
412 | } |
413 | ||
36167d82 | 414 | if (io_u->error) |
e1161c32 | 415 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 416 | |
36167d82 | 417 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
418 | } |
419 | ||
b5af8293 | 420 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 421 | { |
b5af8293 | 422 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 423 | struct netio_options *o = td->eo; |
0fd666bf | 424 | int type, domain; |
414c2a3e | 425 | |
de890a1e | 426 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 427 | domain = AF_INET; |
414c2a3e | 428 | type = SOCK_STREAM; |
de890a1e | 429 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 430 | domain = AF_INET; |
414c2a3e | 431 | type = SOCK_DGRAM; |
de890a1e | 432 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
433 | domain = AF_UNIX; |
434 | type = SOCK_STREAM; | |
435 | } else { | |
de890a1e | 436 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
437 | f->fd = -1; |
438 | return 1; | |
439 | } | |
ed92ac0c | 440 | |
0fd666bf | 441 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
442 | if (f->fd < 0) { |
443 | td_verror(td, errno, "socket"); | |
444 | return 1; | |
ed92ac0c JA |
445 | } |
446 | ||
de890a1e | 447 | if (o->proto == FIO_TYPE_UDP) |
414c2a3e | 448 | return 0; |
de890a1e | 449 | else if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 450 | fio_socklen_t len = sizeof(nd->addr); |
414c2a3e | 451 | |
0fd666bf JA |
452 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
453 | td_verror(td, errno, "connect"); | |
b94cba47 | 454 | close(f->fd); |
0fd666bf JA |
455 | return 1; |
456 | } | |
457 | } else { | |
458 | struct sockaddr_un *addr = &nd->addr_un; | |
459 | fio_socklen_t len; | |
460 | ||
461 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
462 | ||
463 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
464 | td_verror(td, errno, "connect"); | |
b94cba47 | 465 | close(f->fd); |
0fd666bf JA |
466 | return 1; |
467 | } | |
ed92ac0c JA |
468 | } |
469 | ||
470 | return 0; | |
ed92ac0c JA |
471 | } |
472 | ||
b5af8293 | 473 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 474 | { |
b5af8293 | 475 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 476 | struct netio_options *o = td->eo; |
5ba13ea6 | 477 | fio_socklen_t socklen = sizeof(nd->addr); |
859088d3 | 478 | int state; |
5fdd124a | 479 | |
de890a1e | 480 | if (o->proto == FIO_TYPE_UDP) { |
414c2a3e JA |
481 | f->fd = nd->listenfd; |
482 | return 0; | |
483 | } | |
484 | ||
859088d3 JA |
485 | state = td->runstate; |
486 | td_set_runstate(td, TD_SETTING_UP); | |
487 | ||
6d86144d | 488 | log_info("fio: waiting for connection\n"); |
5fdd124a | 489 | |
371d456c | 490 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
859088d3 | 491 | goto err; |
0c09442b | 492 | |
371d456c JA |
493 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
494 | if (f->fd < 0) { | |
495 | td_verror(td, errno, "accept"); | |
859088d3 | 496 | goto err; |
b5af8293 | 497 | } |
5fdd124a | 498 | |
859088d3 | 499 | td_set_runstate(td, state); |
b5af8293 | 500 | return 0; |
859088d3 JA |
501 | err: |
502 | td_set_runstate(td, state); | |
503 | return 1; | |
b5af8293 JA |
504 | } |
505 | ||
b5af8293 JA |
506 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
507 | { | |
0fd666bf | 508 | int ret; |
991802b8 | 509 | struct netio_options *o = td->eo; |
0fd666bf | 510 | |
991802b8 | 511 | if (o->listen) |
0fd666bf | 512 | ret = fio_netio_accept(td, f); |
b5af8293 | 513 | else |
0fd666bf JA |
514 | ret = fio_netio_connect(td, f); |
515 | ||
516 | if (ret) | |
517 | f->fd = -1; | |
518 | return ret; | |
b5af8293 JA |
519 | } |
520 | ||
664fb3bd JA |
521 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
522 | { | |
523 | struct netio_data *nd = td->io_ops->data; | |
524 | struct udp_close_msg msg; | |
62b38926 | 525 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
526 | int ret; |
527 | ||
528 | msg.magic = htonl(FIO_LINK_CLOSE_MAGIC); | |
529 | msg.cmd = htonl(FIO_LINK_CLOSE); | |
530 | ||
62b38926 | 531 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
664fb3bd JA |
532 | sizeof(nd->addr)); |
533 | if (ret < 0) | |
534 | td_verror(td, errno, "sendto udp link close"); | |
535 | } | |
536 | ||
537 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
538 | { | |
de890a1e | 539 | struct netio_options *o = td->eo; |
664fb3bd JA |
540 | |
541 | /* | |
542 | * If this is an UDP connection, notify the receiver that we are | |
543 | * closing down the link | |
544 | */ | |
de890a1e | 545 | if (o->proto == FIO_TYPE_UDP) |
664fb3bd JA |
546 | fio_netio_udp_close(td, f); |
547 | ||
548 | return generic_close_file(td, f); | |
549 | } | |
550 | ||
0fd666bf JA |
551 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
552 | const char *host, unsigned short port) | |
b5af8293 JA |
553 | { |
554 | struct netio_data *nd = td->io_ops->data; | |
555 | ||
166dce4b JA |
556 | if (!host) { |
557 | log_err("fio: connect with no host to connect to.\n"); | |
558 | if (td_read(td)) | |
559 | log_err("fio: did you forget to set 'listen'?\n"); | |
560 | ||
561 | td_verror(td, EINVAL, "no hostname= set"); | |
562 | return 1; | |
563 | } | |
564 | ||
b5af8293 JA |
565 | nd->addr.sin_family = AF_INET; |
566 | nd->addr.sin_port = htons(port); | |
567 | ||
568 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
569 | struct hostent *hent; | |
570 | ||
571 | hent = gethostbyname(host); | |
572 | if (!hent) { | |
573 | td_verror(td, errno, "gethostbyname"); | |
574 | return 1; | |
5fdd124a | 575 | } |
b5af8293 JA |
576 | |
577 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
578 | } |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
0fd666bf JA |
583 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
584 | const char *path) | |
585 | { | |
586 | struct netio_data *nd = td->io_ops->data; | |
587 | struct sockaddr_un *soun = &nd->addr_un; | |
588 | ||
589 | soun->sun_family = AF_UNIX; | |
590 | strcpy(soun->sun_path, path); | |
591 | return 0; | |
592 | } | |
593 | ||
de890a1e | 594 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 595 | { |
de890a1e | 596 | struct netio_options *o = td->eo; |
0fd666bf | 597 | |
de890a1e SL |
598 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
599 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); | |
0fd666bf | 600 | else |
de890a1e | 601 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
602 | } |
603 | ||
604 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
605 | { | |
606 | struct netio_data *nd = td->io_ops->data; | |
607 | struct sockaddr_un *addr = &nd->addr_un; | |
608 | mode_t mode; | |
609 | int len, fd; | |
610 | ||
611 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
612 | if (fd < 0) { | |
613 | log_err("fio: socket: %s\n", strerror(errno)); | |
614 | return -1; | |
615 | } | |
616 | ||
617 | mode = umask(000); | |
618 | ||
619 | memset(addr, 0, sizeof(*addr)); | |
620 | addr->sun_family = AF_UNIX; | |
621 | strcpy(addr->sun_path, path); | |
622 | unlink(path); | |
623 | ||
624 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
625 | ||
626 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
627 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 628 | close(fd); |
0fd666bf JA |
629 | return -1; |
630 | } | |
631 | ||
632 | umask(mode); | |
633 | nd->listenfd = fd; | |
634 | return 0; | |
635 | } | |
636 | ||
637 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 638 | { |
b5af8293 | 639 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 640 | struct netio_options *o = td->eo; |
414c2a3e | 641 | int fd, opt, type; |
ed92ac0c | 642 | |
de890a1e | 643 | if (o->proto == FIO_TYPE_TCP) |
414c2a3e JA |
644 | type = SOCK_STREAM; |
645 | else | |
646 | type = SOCK_DGRAM; | |
647 | ||
0fd666bf | 648 | fd = socket(AF_INET, type, 0); |
ed92ac0c | 649 | if (fd < 0) { |
e1161c32 | 650 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
651 | return 1; |
652 | } | |
653 | ||
654 | opt = 1; | |
655 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 656 | td_verror(td, errno, "setsockopt"); |
ed92ac0c JA |
657 | return 1; |
658 | } | |
6bedbfaf JA |
659 | #ifdef SO_REUSEPORT |
660 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 661 | td_verror(td, errno, "setsockopt"); |
6bedbfaf JA |
662 | return 1; |
663 | } | |
664 | #endif | |
ed92ac0c | 665 | |
b5af8293 JA |
666 | nd->addr.sin_family = AF_INET; |
667 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); | |
668 | nd->addr.sin_port = htons(port); | |
ed92ac0c | 669 | |
b5af8293 | 670 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 671 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
672 | return 1; |
673 | } | |
0fd666bf JA |
674 | |
675 | nd->listenfd = fd; | |
676 | return 0; | |
677 | } | |
678 | ||
de890a1e | 679 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
680 | { |
681 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 682 | struct netio_options *o = td->eo; |
0fd666bf JA |
683 | int ret; |
684 | ||
de890a1e SL |
685 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
686 | ret = fio_netio_setup_listen_inet(td, o->port); | |
0fd666bf | 687 | else |
de890a1e | 688 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
689 | |
690 | if (ret) | |
691 | return ret; | |
de890a1e | 692 | if (o->proto == FIO_TYPE_UDP) |
0fd666bf JA |
693 | return 0; |
694 | ||
695 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 696 | td_verror(td, errno, "listen"); |
0fd666bf | 697 | nd->listenfd = -1; |
ed92ac0c JA |
698 | return 1; |
699 | } | |
700 | ||
b5af8293 | 701 | return 0; |
ed92ac0c JA |
702 | } |
703 | ||
9bec88e1 | 704 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 705 | { |
de890a1e | 706 | struct netio_options *o = td->eo; |
af52b345 | 707 | int ret; |
ed92ac0c | 708 | |
3f457bea BC |
709 | #ifdef WIN32 |
710 | WSADATA wsd; | |
711 | WSAStartup(MAKEWORD(2,2), &wsd); | |
712 | #endif | |
713 | ||
16d55aae JA |
714 | if (td_random(td)) { |
715 | log_err("fio: network IO can't be random\n"); | |
716 | return 1; | |
717 | } | |
ed92ac0c | 718 | |
de890a1e SL |
719 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
720 | log_err("fio: network IO port not valid with unix socket\n"); | |
721 | return 1; | |
722 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
723 | log_err("fio: network IO requires port for tcp or udp\n"); | |
724 | return 1; | |
725 | } | |
ed92ac0c | 726 | |
de890a1e SL |
727 | if (o->proto != FIO_TYPE_TCP) { |
728 | if (o->listen) { | |
9b986065 JA |
729 | log_err("fio: listen only valid for TCP proto IO\n"); |
730 | return 1; | |
de890a1e SL |
731 | } |
732 | if (td_rw(td)) { | |
9b986065 | 733 | log_err("fio: datagram network connections must be" |
de890a1e | 734 | " read OR write\n"); |
9b986065 JA |
735 | return 1; |
736 | } | |
737 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
738 | log_err("fio: UNIX sockets need host/filename\n"); | |
739 | return 1; | |
de890a1e SL |
740 | } |
741 | o->listen = td_read(td); | |
742 | } | |
443662ef | 743 | |
de890a1e SL |
744 | if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { |
745 | log_err("fio: hostname not valid for inbound network IO\n"); | |
746 | return 1; | |
414c2a3e | 747 | } |
0fd666bf | 748 | |
de890a1e SL |
749 | if (o->listen) |
750 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 751 | else |
de890a1e | 752 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 753 | |
7bb48f84 | 754 | return ret; |
ed92ac0c JA |
755 | } |
756 | ||
b5af8293 | 757 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 758 | { |
b5af8293 JA |
759 | struct netio_data *nd = td->io_ops->data; |
760 | ||
761 | if (nd) { | |
64b24cd8 JA |
762 | if (nd->listenfd != -1) |
763 | close(nd->listenfd); | |
764 | if (nd->pipes[0] != -1) | |
765 | close(nd->pipes[0]); | |
766 | if (nd->pipes[1] != -1) | |
767 | close(nd->pipes[1]); | |
768 | ||
b5af8293 | 769 | free(nd); |
b5af8293 JA |
770 | } |
771 | } | |
772 | ||
773 | static int fio_netio_setup(struct thread_data *td) | |
774 | { | |
7bb48f84 | 775 | struct netio_data *nd; |
7bb48f84 | 776 | |
de890a1e SL |
777 | if (!td->files_index) { |
778 | add_file(td, td->o.filename ?: "net"); | |
779 | td->o.nr_files = td->o.nr_files ?: 1; | |
780 | } | |
781 | ||
7bb48f84 JA |
782 | if (!td->io_ops->data) { |
783 | nd = malloc(sizeof(*nd));; | |
784 | ||
785 | memset(nd, 0, sizeof(*nd)); | |
786 | nd->listenfd = -1; | |
64b24cd8 | 787 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 788 | td->io_ops->data = nd; |
7bb48f84 | 789 | } |
b5af8293 | 790 | |
9bec88e1 JA |
791 | return 0; |
792 | } | |
793 | ||
5921e80c | 794 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 JA |
795 | static int fio_netio_setup_splice(struct thread_data *td) |
796 | { | |
797 | struct netio_data *nd; | |
798 | ||
799 | fio_netio_setup(td); | |
800 | ||
801 | nd = td->io_ops->data; | |
802 | if (nd) { | |
803 | if (pipe(nd->pipes) < 0) | |
804 | return 1; | |
805 | ||
806 | nd->use_splice = 1; | |
807 | return 0; | |
808 | } | |
809 | ||
810 | return 1; | |
811 | } | |
812 | ||
5921e80c | 813 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
814 | .name = "netsplice", |
815 | .version = FIO_IOOPS_VERSION, | |
816 | .prep = fio_netio_prep, | |
817 | .queue = fio_netio_queue, | |
818 | .setup = fio_netio_setup_splice, | |
819 | .init = fio_netio_init, | |
820 | .cleanup = fio_netio_cleanup, | |
821 | .open_file = fio_netio_open_file, | |
822 | .close_file = generic_close_file, | |
823 | .options = options, | |
824 | .option_struct_size = sizeof(struct netio_options), | |
825 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
826 | FIO_SIGTERM | FIO_PIPEIO, | |
ed92ac0c | 827 | }; |
5921e80c | 828 | #endif |
ed92ac0c | 829 | |
5921e80c | 830 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
831 | .name = "net", |
832 | .version = FIO_IOOPS_VERSION, | |
833 | .prep = fio_netio_prep, | |
834 | .queue = fio_netio_queue, | |
835 | .setup = fio_netio_setup, | |
836 | .init = fio_netio_init, | |
837 | .cleanup = fio_netio_cleanup, | |
838 | .open_file = fio_netio_open_file, | |
839 | .close_file = fio_netio_close_file, | |
840 | .options = options, | |
841 | .option_struct_size = sizeof(struct netio_options), | |
842 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
843 | FIO_SIGTERM | FIO_PIPEIO, | |
9cce02e8 JA |
844 | }; |
845 | ||
de890a1e SL |
846 | static int str_hostname_cb(void *data, const char *input) |
847 | { | |
848 | struct netio_options *o = data; | |
849 | ||
850 | if (o->td->o.filename) | |
851 | free(o->td->o.filename); | |
852 | o->td->o.filename = strdup(input); | |
853 | return 0; | |
854 | } | |
855 | ||
ed92ac0c JA |
856 | static void fio_init fio_netio_register(void) |
857 | { | |
9cce02e8 | 858 | register_ioengine(&ioengine_rw); |
5921e80c | 859 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 860 | register_ioengine(&ioengine_splice); |
5921e80c | 861 | #endif |
ed92ac0c JA |
862 | } |
863 | ||
864 | static void fio_exit fio_netio_unregister(void) | |
865 | { | |
9cce02e8 | 866 | unregister_ioengine(&ioengine_rw); |
5921e80c | 867 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 868 | unregister_ioengine(&ioengine_splice); |
5921e80c | 869 | #endif |
ed92ac0c | 870 | } |