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", | |
e8b0e958 | 56 | .lname = "net engine hostname", |
de890a1e SL |
57 | .type = FIO_OPT_STR_STORE, |
58 | .cb = str_hostname_cb, | |
59 | .help = "Hostname for net IO engine", | |
e8b0e958 | 60 | .category = FIO_OPT_C_IO, |
de890a1e SL |
61 | }, |
62 | { | |
63 | .name = "port", | |
e8b0e958 | 64 | .lname = "net engine port", |
de890a1e SL |
65 | .type = FIO_OPT_INT, |
66 | .off1 = offsetof(struct netio_options, port), | |
67 | .minval = 1, | |
68 | .maxval = 65535, | |
69 | .help = "Port to use for TCP or UDP net connections", | |
e8b0e958 | 70 | .category = FIO_OPT_C_IO, |
de890a1e SL |
71 | }, |
72 | { | |
73 | .name = "protocol", | |
e8b0e958 | 74 | .lname = "net engine protocol", |
de890a1e SL |
75 | .alias = "proto", |
76 | .type = FIO_OPT_STR, | |
77 | .off1 = offsetof(struct netio_options, proto), | |
78 | .help = "Network protocol to use", | |
79 | .def = "tcp", | |
e8b0e958 | 80 | .category = FIO_OPT_C_IO, |
de890a1e SL |
81 | .posval = { |
82 | { .ival = "tcp", | |
83 | .oval = FIO_TYPE_TCP, | |
84 | .help = "Transmission Control Protocol", | |
85 | }, | |
86 | { .ival = "udp", | |
87 | .oval = FIO_TYPE_UDP, | |
88 | .help = "Unreliable Datagram Protocol", | |
89 | }, | |
90 | { .ival = "unix", | |
91 | .oval = FIO_TYPE_UNIX, | |
92 | .help = "UNIX domain socket", | |
93 | }, | |
94 | }, | |
95 | }, | |
96 | { | |
97 | .name = "listen", | |
e8b0e958 | 98 | .lname = "net engine listen", |
de890a1e SL |
99 | .type = FIO_OPT_STR_SET, |
100 | .off1 = offsetof(struct netio_options, listen), | |
101 | .help = "Listen for incoming TCP connections", | |
e8b0e958 | 102 | .category = FIO_OPT_C_IO, |
de890a1e SL |
103 | }, |
104 | { | |
105 | .name = NULL, | |
106 | }, | |
107 | }; | |
108 | ||
371d456c JA |
109 | /* |
110 | * Return -1 for error and 'nr events' for a positive number | |
111 | * of events | |
112 | */ | |
113 | static int poll_wait(struct thread_data *td, int fd, short events) | |
114 | { | |
115 | struct pollfd pfd; | |
116 | int ret; | |
117 | ||
118 | while (!td->terminate) { | |
119 | pfd.fd = fd; | |
120 | pfd.events = events; | |
121 | ret = poll(&pfd, 1, -1); | |
122 | if (ret < 0) { | |
123 | if (errno == EINTR) | |
d5b388a5 | 124 | break; |
371d456c JA |
125 | |
126 | td_verror(td, errno, "poll"); | |
127 | return -1; | |
128 | } else if (!ret) | |
129 | continue; | |
130 | ||
131 | break; | |
132 | } | |
133 | ||
134 | if (pfd.revents & events) | |
135 | return 1; | |
371d456c JA |
136 | |
137 | return -1; | |
138 | } | |
139 | ||
ed92ac0c JA |
140 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
141 | { | |
de890a1e | 142 | struct netio_options *o = td->eo; |
ed92ac0c | 143 | |
7a6499da JA |
144 | /* |
145 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
146 | */ | |
de890a1e SL |
147 | if (o->proto == FIO_TYPE_TCP) |
148 | return 0; | |
149 | ||
150 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
151 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 152 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 153 | return 1; |
ed92ac0c | 154 | } |
7a6499da | 155 | |
f85ac25a | 156 | return 0; |
ed92ac0c JA |
157 | } |
158 | ||
5921e80c | 159 | #ifdef FIO_HAVE_SPLICE |
cd963e18 | 160 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 161 | { |
9cce02e8 | 162 | int bytes = 0; |
7a6499da | 163 | |
9cce02e8 | 164 | while (len) { |
cd963e18 | 165 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
166 | |
167 | if (ret < 0) { | |
168 | if (!bytes) | |
169 | bytes = ret; | |
170 | ||
171 | break; | |
172 | } else if (!ret) | |
173 | break; | |
174 | ||
175 | bytes += ret; | |
f657a2fb | 176 | len -= ret; |
9cce02e8 JA |
177 | } |
178 | ||
179 | return bytes; | |
180 | } | |
181 | ||
182 | /* | |
cd963e18 | 183 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 184 | */ |
cd963e18 | 185 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
186 | { |
187 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 188 | |
cd963e18 | 189 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
190 | } |
191 | ||
192 | /* | |
cd963e18 | 193 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 194 | */ |
cd963e18 JA |
195 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
196 | unsigned int len) | |
9cce02e8 JA |
197 | { |
198 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
199 | |
200 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
201 | } | |
202 | ||
203 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
204 | { | |
9cce02e8 JA |
205 | struct iovec iov = { |
206 | .iov_base = io_u->xfer_buf, | |
207 | .iov_len = len, | |
208 | }; | |
209 | int bytes = 0; | |
210 | ||
211 | while (iov.iov_len) { | |
cd963e18 | 212 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
213 | |
214 | if (ret < 0) { | |
215 | if (!bytes) | |
216 | bytes = ret; | |
217 | break; | |
218 | } else if (!ret) | |
219 | break; | |
220 | ||
221 | iov.iov_len -= ret; | |
cd963e18 | 222 | iov.iov_base += ret; |
f657a2fb | 223 | bytes += ret; |
9cce02e8 JA |
224 | } |
225 | ||
226 | return bytes; | |
cd963e18 | 227 | |
9cce02e8 JA |
228 | } |
229 | ||
230 | /* | |
cd963e18 | 231 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 232 | */ |
cd963e18 JA |
233 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
234 | unsigned int len) | |
9cce02e8 JA |
235 | { |
236 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 237 | |
cd963e18 JA |
238 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
239 | } | |
9cce02e8 | 240 | |
cd963e18 JA |
241 | /* |
242 | * vmsplice() io_u to pipe | |
243 | */ | |
244 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
245 | { | |
246 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 247 | |
cd963e18 | 248 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
249 | } |
250 | ||
cd963e18 JA |
251 | /* |
252 | * splice receive - transfer socket data into a pipe using splice, then map | |
253 | * that pipe data into the io_u using vmsplice. | |
254 | */ | |
9cce02e8 JA |
255 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
256 | { | |
257 | int ret; | |
258 | ||
259 | ret = splice_in(td, io_u); | |
cd963e18 JA |
260 | if (ret > 0) |
261 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 262 | |
cd963e18 | 263 | return ret; |
9cce02e8 JA |
264 | } |
265 | ||
cd963e18 JA |
266 | /* |
267 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
268 | * then transfer that pipe to a socket using splice. | |
269 | */ | |
9cce02e8 JA |
270 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
271 | { | |
272 | int ret; | |
273 | ||
274 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
275 | if (ret > 0) |
276 | return splice_out(td, io_u, ret); | |
9cce02e8 | 277 | |
cd963e18 | 278 | return ret; |
9cce02e8 | 279 | } |
5921e80c JA |
280 | #else |
281 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
282 | { | |
af8771b9 | 283 | errno = EOPNOTSUPP; |
5921e80c JA |
284 | return -1; |
285 | } | |
286 | ||
287 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
288 | { | |
af8771b9 | 289 | errno = EOPNOTSUPP; |
5921e80c JA |
290 | return -1; |
291 | } | |
292 | #endif | |
9cce02e8 JA |
293 | |
294 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
295 | { | |
414c2a3e | 296 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 297 | struct netio_options *o = td->eo; |
8e239cae | 298 | int ret, flags = OS_MSG_DONTWAIT; |
371d456c | 299 | |
664fb3bd | 300 | do { |
de890a1e | 301 | if (o->proto == FIO_TYPE_UDP) { |
62b38926 JA |
302 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
303 | ||
664fb3bd | 304 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
62b38926 JA |
305 | io_u->xfer_buflen, flags, to, |
306 | sizeof(*to)); | |
664fb3bd JA |
307 | } else { |
308 | /* | |
309 | * if we are going to write more, set MSG_MORE | |
310 | */ | |
5921e80c | 311 | #ifdef MSG_MORE |
664fb3bd JA |
312 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
313 | td->o.size) | |
314 | flags |= MSG_MORE; | |
5921e80c | 315 | #endif |
664fb3bd JA |
316 | ret = send(io_u->file->fd, io_u->xfer_buf, |
317 | io_u->xfer_buflen, flags); | |
318 | } | |
319 | if (ret > 0) | |
320 | break; | |
9cce02e8 | 321 | |
664fb3bd JA |
322 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
323 | if (ret <= 0) | |
324 | break; | |
325 | ||
8e239cae | 326 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
327 | } while (1); |
328 | ||
329 | return ret; | |
330 | } | |
331 | ||
332 | static int is_udp_close(struct io_u *io_u, int len) | |
333 | { | |
334 | struct udp_close_msg *msg; | |
335 | ||
336 | if (len != sizeof(struct udp_close_msg)) | |
337 | return 0; | |
338 | ||
339 | msg = io_u->xfer_buf; | |
340 | if (ntohl(msg->magic) != FIO_LINK_CLOSE_MAGIC) | |
341 | return 0; | |
342 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
343 | return 0; | |
344 | ||
345 | return 1; | |
9cce02e8 JA |
346 | } |
347 | ||
414c2a3e | 348 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 349 | { |
414c2a3e | 350 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 351 | struct netio_options *o = td->eo; |
8e239cae | 352 | int ret, flags = OS_MSG_DONTWAIT; |
664fb3bd JA |
353 | |
354 | do { | |
de890a1e | 355 | if (o->proto == FIO_TYPE_UDP) { |
5ba13ea6 | 356 | fio_socklen_t len = sizeof(nd->addr); |
62b38926 | 357 | struct sockaddr *from = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
358 | |
359 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
62b38926 | 360 | io_u->xfer_buflen, flags, from, &len); |
664fb3bd JA |
361 | if (is_udp_close(io_u, ret)) { |
362 | td->done = 1; | |
363 | return 0; | |
364 | } | |
365 | } else { | |
366 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
367 | io_u->xfer_buflen, flags); | |
368 | } | |
369 | if (ret > 0) | |
370 | break; | |
9cce02e8 | 371 | |
664fb3bd JA |
372 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
373 | if (ret <= 0) | |
374 | break; | |
8e239cae | 375 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
376 | flags |= MSG_WAITALL; |
377 | } while (1); | |
414c2a3e | 378 | |
664fb3bd | 379 | return ret; |
9cce02e8 JA |
380 | } |
381 | ||
382 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) | |
383 | { | |
384 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 385 | struct netio_options *o = td->eo; |
9cce02e8 JA |
386 | int ret; |
387 | ||
7101d9c2 JA |
388 | fio_ro_check(td, io_u); |
389 | ||
9cce02e8 | 390 | if (io_u->ddir == DDIR_WRITE) { |
de890a1e SL |
391 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
392 | o->proto == FIO_TYPE_UNIX) | |
9cce02e8 | 393 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
394 | else |
395 | ret = fio_netio_splice_out(td, io_u); | |
d4f12dd0 | 396 | } else if (io_u->ddir == DDIR_READ) { |
de890a1e SL |
397 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
398 | o->proto == FIO_TYPE_UNIX) | |
414c2a3e | 399 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 400 | else |
414c2a3e | 401 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 402 | } else |
7a6499da | 403 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 404 | |
cec6b55d | 405 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 406 | if (ret >= 0) { |
cec6b55d JA |
407 | io_u->resid = io_u->xfer_buflen - ret; |
408 | io_u->error = 0; | |
36167d82 | 409 | return FIO_Q_COMPLETED; |
414c2a3e JA |
410 | } else { |
411 | int err = errno; | |
412 | ||
413 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) | |
414 | return FIO_Q_BUSY; | |
415 | ||
416 | io_u->error = err; | |
417 | } | |
ed92ac0c JA |
418 | } |
419 | ||
36167d82 | 420 | if (io_u->error) |
e1161c32 | 421 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 422 | |
36167d82 | 423 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
424 | } |
425 | ||
b5af8293 | 426 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 427 | { |
b5af8293 | 428 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 429 | struct netio_options *o = td->eo; |
0fd666bf | 430 | int type, domain; |
414c2a3e | 431 | |
de890a1e | 432 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 433 | domain = AF_INET; |
414c2a3e | 434 | type = SOCK_STREAM; |
de890a1e | 435 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 436 | domain = AF_INET; |
414c2a3e | 437 | type = SOCK_DGRAM; |
de890a1e | 438 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
439 | domain = AF_UNIX; |
440 | type = SOCK_STREAM; | |
441 | } else { | |
de890a1e | 442 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
443 | f->fd = -1; |
444 | return 1; | |
445 | } | |
ed92ac0c | 446 | |
0fd666bf | 447 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
448 | if (f->fd < 0) { |
449 | td_verror(td, errno, "socket"); | |
450 | return 1; | |
ed92ac0c JA |
451 | } |
452 | ||
de890a1e | 453 | if (o->proto == FIO_TYPE_UDP) |
414c2a3e | 454 | return 0; |
de890a1e | 455 | else if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 456 | fio_socklen_t len = sizeof(nd->addr); |
414c2a3e | 457 | |
0fd666bf JA |
458 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
459 | td_verror(td, errno, "connect"); | |
b94cba47 | 460 | close(f->fd); |
0fd666bf JA |
461 | return 1; |
462 | } | |
463 | } else { | |
464 | struct sockaddr_un *addr = &nd->addr_un; | |
465 | fio_socklen_t len; | |
466 | ||
467 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
468 | ||
469 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
470 | td_verror(td, errno, "connect"); | |
b94cba47 | 471 | close(f->fd); |
0fd666bf JA |
472 | return 1; |
473 | } | |
ed92ac0c JA |
474 | } |
475 | ||
476 | return 0; | |
ed92ac0c JA |
477 | } |
478 | ||
b5af8293 | 479 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 480 | { |
b5af8293 | 481 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 482 | struct netio_options *o = td->eo; |
5ba13ea6 | 483 | fio_socklen_t socklen = sizeof(nd->addr); |
5fdd124a | 484 | |
de890a1e | 485 | if (o->proto == FIO_TYPE_UDP) { |
414c2a3e JA |
486 | f->fd = nd->listenfd; |
487 | return 0; | |
488 | } | |
489 | ||
6d86144d | 490 | log_info("fio: waiting for connection\n"); |
5fdd124a | 491 | |
371d456c JA |
492 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
493 | return 1; | |
0c09442b | 494 | |
371d456c JA |
495 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
496 | if (f->fd < 0) { | |
497 | td_verror(td, errno, "accept"); | |
498 | return 1; | |
b5af8293 | 499 | } |
5fdd124a | 500 | |
b5af8293 JA |
501 | return 0; |
502 | } | |
503 | ||
b5af8293 JA |
504 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
505 | { | |
0fd666bf | 506 | int ret; |
991802b8 | 507 | struct netio_options *o = td->eo; |
0fd666bf | 508 | |
991802b8 | 509 | if (o->listen) |
0fd666bf | 510 | ret = fio_netio_accept(td, f); |
b5af8293 | 511 | else |
0fd666bf JA |
512 | ret = fio_netio_connect(td, f); |
513 | ||
514 | if (ret) | |
515 | f->fd = -1; | |
516 | return ret; | |
b5af8293 JA |
517 | } |
518 | ||
664fb3bd JA |
519 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
520 | { | |
521 | struct netio_data *nd = td->io_ops->data; | |
522 | struct udp_close_msg msg; | |
62b38926 | 523 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
524 | int ret; |
525 | ||
526 | msg.magic = htonl(FIO_LINK_CLOSE_MAGIC); | |
527 | msg.cmd = htonl(FIO_LINK_CLOSE); | |
528 | ||
62b38926 | 529 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
664fb3bd JA |
530 | sizeof(nd->addr)); |
531 | if (ret < 0) | |
532 | td_verror(td, errno, "sendto udp link close"); | |
533 | } | |
534 | ||
535 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
536 | { | |
de890a1e | 537 | struct netio_options *o = td->eo; |
664fb3bd JA |
538 | |
539 | /* | |
540 | * If this is an UDP connection, notify the receiver that we are | |
541 | * closing down the link | |
542 | */ | |
de890a1e | 543 | if (o->proto == FIO_TYPE_UDP) |
664fb3bd JA |
544 | fio_netio_udp_close(td, f); |
545 | ||
546 | return generic_close_file(td, f); | |
547 | } | |
548 | ||
0fd666bf JA |
549 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
550 | const char *host, unsigned short port) | |
b5af8293 JA |
551 | { |
552 | struct netio_data *nd = td->io_ops->data; | |
553 | ||
554 | nd->addr.sin_family = AF_INET; | |
555 | nd->addr.sin_port = htons(port); | |
556 | ||
557 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
558 | struct hostent *hent; | |
559 | ||
560 | hent = gethostbyname(host); | |
561 | if (!hent) { | |
562 | td_verror(td, errno, "gethostbyname"); | |
563 | return 1; | |
5fdd124a | 564 | } |
b5af8293 JA |
565 | |
566 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
567 | } |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
0fd666bf JA |
572 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
573 | const char *path) | |
574 | { | |
575 | struct netio_data *nd = td->io_ops->data; | |
576 | struct sockaddr_un *soun = &nd->addr_un; | |
577 | ||
578 | soun->sun_family = AF_UNIX; | |
579 | strcpy(soun->sun_path, path); | |
580 | return 0; | |
581 | } | |
582 | ||
de890a1e | 583 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 584 | { |
de890a1e | 585 | struct netio_options *o = td->eo; |
0fd666bf | 586 | |
de890a1e SL |
587 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
588 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); | |
0fd666bf | 589 | else |
de890a1e | 590 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
591 | } |
592 | ||
593 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
594 | { | |
595 | struct netio_data *nd = td->io_ops->data; | |
596 | struct sockaddr_un *addr = &nd->addr_un; | |
597 | mode_t mode; | |
598 | int len, fd; | |
599 | ||
600 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
601 | if (fd < 0) { | |
602 | log_err("fio: socket: %s\n", strerror(errno)); | |
603 | return -1; | |
604 | } | |
605 | ||
606 | mode = umask(000); | |
607 | ||
608 | memset(addr, 0, sizeof(*addr)); | |
609 | addr->sun_family = AF_UNIX; | |
610 | strcpy(addr->sun_path, path); | |
611 | unlink(path); | |
612 | ||
613 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
614 | ||
615 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
616 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 617 | close(fd); |
0fd666bf JA |
618 | return -1; |
619 | } | |
620 | ||
621 | umask(mode); | |
622 | nd->listenfd = fd; | |
623 | return 0; | |
624 | } | |
625 | ||
626 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 627 | { |
b5af8293 | 628 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 629 | struct netio_options *o = td->eo; |
414c2a3e | 630 | int fd, opt, type; |
ed92ac0c | 631 | |
de890a1e | 632 | if (o->proto == FIO_TYPE_TCP) |
414c2a3e JA |
633 | type = SOCK_STREAM; |
634 | else | |
635 | type = SOCK_DGRAM; | |
636 | ||
0fd666bf | 637 | fd = socket(AF_INET, type, 0); |
ed92ac0c | 638 | if (fd < 0) { |
e1161c32 | 639 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
640 | return 1; |
641 | } | |
642 | ||
643 | opt = 1; | |
644 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 645 | td_verror(td, errno, "setsockopt"); |
ed92ac0c JA |
646 | return 1; |
647 | } | |
6bedbfaf JA |
648 | #ifdef SO_REUSEPORT |
649 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 650 | td_verror(td, errno, "setsockopt"); |
6bedbfaf JA |
651 | return 1; |
652 | } | |
653 | #endif | |
ed92ac0c | 654 | |
b5af8293 JA |
655 | nd->addr.sin_family = AF_INET; |
656 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); | |
657 | nd->addr.sin_port = htons(port); | |
ed92ac0c | 658 | |
b5af8293 | 659 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 660 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
661 | return 1; |
662 | } | |
0fd666bf JA |
663 | |
664 | nd->listenfd = fd; | |
665 | return 0; | |
666 | } | |
667 | ||
de890a1e | 668 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
669 | { |
670 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 671 | struct netio_options *o = td->eo; |
0fd666bf JA |
672 | int ret; |
673 | ||
de890a1e SL |
674 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
675 | ret = fio_netio_setup_listen_inet(td, o->port); | |
0fd666bf | 676 | else |
de890a1e | 677 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
678 | |
679 | if (ret) | |
680 | return ret; | |
de890a1e | 681 | if (o->proto == FIO_TYPE_UDP) |
0fd666bf JA |
682 | return 0; |
683 | ||
684 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 685 | td_verror(td, errno, "listen"); |
0fd666bf | 686 | nd->listenfd = -1; |
ed92ac0c JA |
687 | return 1; |
688 | } | |
689 | ||
b5af8293 | 690 | return 0; |
ed92ac0c JA |
691 | } |
692 | ||
9bec88e1 | 693 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 694 | { |
de890a1e | 695 | struct netio_options *o = td->eo; |
af52b345 | 696 | int ret; |
ed92ac0c | 697 | |
16d55aae JA |
698 | if (td_random(td)) { |
699 | log_err("fio: network IO can't be random\n"); | |
700 | return 1; | |
701 | } | |
ed92ac0c | 702 | |
de890a1e SL |
703 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
704 | log_err("fio: network IO port not valid with unix socket\n"); | |
705 | return 1; | |
706 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
707 | log_err("fio: network IO requires port for tcp or udp\n"); | |
708 | return 1; | |
709 | } | |
ed92ac0c | 710 | |
de890a1e SL |
711 | if (o->proto != FIO_TYPE_TCP) { |
712 | if (o->listen) { | |
9b986065 JA |
713 | log_err("fio: listen only valid for TCP proto IO\n"); |
714 | return 1; | |
de890a1e SL |
715 | } |
716 | if (td_rw(td)) { | |
9b986065 | 717 | log_err("fio: datagram network connections must be" |
de890a1e | 718 | " read OR write\n"); |
9b986065 JA |
719 | return 1; |
720 | } | |
721 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
722 | log_err("fio: UNIX sockets need host/filename\n"); | |
723 | return 1; | |
de890a1e SL |
724 | } |
725 | o->listen = td_read(td); | |
726 | } | |
443662ef | 727 | |
de890a1e SL |
728 | if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { |
729 | log_err("fio: hostname not valid for inbound network IO\n"); | |
730 | return 1; | |
414c2a3e | 731 | } |
0fd666bf | 732 | |
de890a1e SL |
733 | if (o->listen) |
734 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 735 | else |
de890a1e | 736 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 737 | |
7bb48f84 | 738 | return ret; |
ed92ac0c JA |
739 | } |
740 | ||
b5af8293 | 741 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 742 | { |
b5af8293 JA |
743 | struct netio_data *nd = td->io_ops->data; |
744 | ||
745 | if (nd) { | |
64b24cd8 JA |
746 | if (nd->listenfd != -1) |
747 | close(nd->listenfd); | |
748 | if (nd->pipes[0] != -1) | |
749 | close(nd->pipes[0]); | |
750 | if (nd->pipes[1] != -1) | |
751 | close(nd->pipes[1]); | |
752 | ||
b5af8293 | 753 | free(nd); |
b5af8293 JA |
754 | } |
755 | } | |
756 | ||
757 | static int fio_netio_setup(struct thread_data *td) | |
758 | { | |
7bb48f84 | 759 | struct netio_data *nd; |
7bb48f84 | 760 | |
de890a1e SL |
761 | if (!td->files_index) { |
762 | add_file(td, td->o.filename ?: "net"); | |
763 | td->o.nr_files = td->o.nr_files ?: 1; | |
764 | } | |
765 | ||
7bb48f84 JA |
766 | if (!td->io_ops->data) { |
767 | nd = malloc(sizeof(*nd));; | |
768 | ||
769 | memset(nd, 0, sizeof(*nd)); | |
770 | nd->listenfd = -1; | |
64b24cd8 | 771 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 772 | td->io_ops->data = nd; |
7bb48f84 | 773 | } |
b5af8293 | 774 | |
9bec88e1 JA |
775 | return 0; |
776 | } | |
777 | ||
5921e80c | 778 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 JA |
779 | static int fio_netio_setup_splice(struct thread_data *td) |
780 | { | |
781 | struct netio_data *nd; | |
782 | ||
783 | fio_netio_setup(td); | |
784 | ||
785 | nd = td->io_ops->data; | |
786 | if (nd) { | |
787 | if (pipe(nd->pipes) < 0) | |
788 | return 1; | |
789 | ||
790 | nd->use_splice = 1; | |
791 | return 0; | |
792 | } | |
793 | ||
794 | return 1; | |
795 | } | |
796 | ||
5921e80c | 797 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
798 | .name = "netsplice", |
799 | .version = FIO_IOOPS_VERSION, | |
800 | .prep = fio_netio_prep, | |
801 | .queue = fio_netio_queue, | |
802 | .setup = fio_netio_setup_splice, | |
803 | .init = fio_netio_init, | |
804 | .cleanup = fio_netio_cleanup, | |
805 | .open_file = fio_netio_open_file, | |
806 | .close_file = generic_close_file, | |
807 | .options = options, | |
808 | .option_struct_size = sizeof(struct netio_options), | |
809 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
810 | FIO_SIGTERM | FIO_PIPEIO, | |
ed92ac0c | 811 | }; |
5921e80c | 812 | #endif |
ed92ac0c | 813 | |
5921e80c | 814 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
815 | .name = "net", |
816 | .version = FIO_IOOPS_VERSION, | |
817 | .prep = fio_netio_prep, | |
818 | .queue = fio_netio_queue, | |
819 | .setup = fio_netio_setup, | |
820 | .init = fio_netio_init, | |
821 | .cleanup = fio_netio_cleanup, | |
822 | .open_file = fio_netio_open_file, | |
823 | .close_file = fio_netio_close_file, | |
824 | .options = options, | |
825 | .option_struct_size = sizeof(struct netio_options), | |
826 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
827 | FIO_SIGTERM | FIO_PIPEIO, | |
9cce02e8 JA |
828 | }; |
829 | ||
de890a1e SL |
830 | static int str_hostname_cb(void *data, const char *input) |
831 | { | |
832 | struct netio_options *o = data; | |
833 | ||
834 | if (o->td->o.filename) | |
835 | free(o->td->o.filename); | |
836 | o->td->o.filename = strdup(input); | |
837 | return 0; | |
838 | } | |
839 | ||
ed92ac0c JA |
840 | static void fio_init fio_netio_register(void) |
841 | { | |
9cce02e8 | 842 | register_ioengine(&ioengine_rw); |
5921e80c | 843 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 844 | register_ioengine(&ioengine_splice); |
5921e80c | 845 | #endif |
ed92ac0c JA |
846 | } |
847 | ||
848 | static void fio_exit fio_netio_unregister(void) | |
849 | { | |
9cce02e8 | 850 | unregister_ioengine(&ioengine_rw); |
5921e80c | 851 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 852 | unregister_ioengine(&ioengine_splice); |
5921e80c | 853 | #endif |
ed92ac0c | 854 | } |