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", | |
e231bbe6 | 59 | .category = FIO_OPT_G_IO_ENG, |
de890a1e SL |
60 | }, |
61 | { | |
62 | .name = "port", | |
63 | .type = FIO_OPT_INT, | |
64 | .off1 = offsetof(struct netio_options, port), | |
65 | .minval = 1, | |
66 | .maxval = 65535, | |
67 | .help = "Port to use for TCP or UDP net connections", | |
e231bbe6 | 68 | .category = FIO_OPT_G_IO_ENG, |
de890a1e SL |
69 | }, |
70 | { | |
71 | .name = "protocol", | |
72 | .alias = "proto", | |
73 | .type = FIO_OPT_STR, | |
74 | .off1 = offsetof(struct netio_options, proto), | |
75 | .help = "Network protocol to use", | |
76 | .def = "tcp", | |
e231bbe6 | 77 | .category = FIO_OPT_G_IO_ENG, |
de890a1e SL |
78 | .posval = { |
79 | { .ival = "tcp", | |
80 | .oval = FIO_TYPE_TCP, | |
81 | .help = "Transmission Control Protocol", | |
82 | }, | |
83 | { .ival = "udp", | |
84 | .oval = FIO_TYPE_UDP, | |
85 | .help = "Unreliable Datagram Protocol", | |
86 | }, | |
87 | { .ival = "unix", | |
88 | .oval = FIO_TYPE_UNIX, | |
89 | .help = "UNIX domain socket", | |
90 | }, | |
91 | }, | |
92 | }, | |
93 | { | |
94 | .name = "listen", | |
95 | .type = FIO_OPT_STR_SET, | |
96 | .off1 = offsetof(struct netio_options, listen), | |
97 | .help = "Listen for incoming TCP connections", | |
e231bbe6 | 98 | .category = FIO_OPT_G_IO_ENG, |
de890a1e SL |
99 | }, |
100 | { | |
101 | .name = NULL, | |
102 | }, | |
103 | }; | |
104 | ||
371d456c JA |
105 | /* |
106 | * Return -1 for error and 'nr events' for a positive number | |
107 | * of events | |
108 | */ | |
109 | static int poll_wait(struct thread_data *td, int fd, short events) | |
110 | { | |
111 | struct pollfd pfd; | |
112 | int ret; | |
113 | ||
114 | while (!td->terminate) { | |
115 | pfd.fd = fd; | |
116 | pfd.events = events; | |
117 | ret = poll(&pfd, 1, -1); | |
118 | if (ret < 0) { | |
119 | if (errno == EINTR) | |
d5b388a5 | 120 | break; |
371d456c JA |
121 | |
122 | td_verror(td, errno, "poll"); | |
123 | return -1; | |
124 | } else if (!ret) | |
125 | continue; | |
126 | ||
127 | break; | |
128 | } | |
129 | ||
130 | if (pfd.revents & events) | |
131 | return 1; | |
371d456c JA |
132 | |
133 | return -1; | |
134 | } | |
135 | ||
ed92ac0c JA |
136 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
137 | { | |
de890a1e | 138 | struct netio_options *o = td->eo; |
ed92ac0c | 139 | |
7a6499da JA |
140 | /* |
141 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
142 | */ | |
de890a1e SL |
143 | if (o->proto == FIO_TYPE_TCP) |
144 | return 0; | |
145 | ||
146 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
147 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 148 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 149 | return 1; |
ed92ac0c | 150 | } |
7a6499da | 151 | |
f85ac25a | 152 | return 0; |
ed92ac0c JA |
153 | } |
154 | ||
5921e80c | 155 | #ifdef FIO_HAVE_SPLICE |
cd963e18 | 156 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 157 | { |
9cce02e8 | 158 | int bytes = 0; |
7a6499da | 159 | |
9cce02e8 | 160 | while (len) { |
cd963e18 | 161 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
162 | |
163 | if (ret < 0) { | |
164 | if (!bytes) | |
165 | bytes = ret; | |
166 | ||
167 | break; | |
168 | } else if (!ret) | |
169 | break; | |
170 | ||
171 | bytes += ret; | |
f657a2fb | 172 | len -= ret; |
9cce02e8 JA |
173 | } |
174 | ||
175 | return bytes; | |
176 | } | |
177 | ||
178 | /* | |
cd963e18 | 179 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 180 | */ |
cd963e18 | 181 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
182 | { |
183 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 184 | |
cd963e18 | 185 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
186 | } |
187 | ||
188 | /* | |
cd963e18 | 189 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 190 | */ |
cd963e18 JA |
191 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
192 | unsigned int len) | |
9cce02e8 JA |
193 | { |
194 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
195 | |
196 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
197 | } | |
198 | ||
199 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
200 | { | |
9cce02e8 JA |
201 | struct iovec iov = { |
202 | .iov_base = io_u->xfer_buf, | |
203 | .iov_len = len, | |
204 | }; | |
205 | int bytes = 0; | |
206 | ||
207 | while (iov.iov_len) { | |
cd963e18 | 208 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
209 | |
210 | if (ret < 0) { | |
211 | if (!bytes) | |
212 | bytes = ret; | |
213 | break; | |
214 | } else if (!ret) | |
215 | break; | |
216 | ||
217 | iov.iov_len -= ret; | |
cd963e18 | 218 | iov.iov_base += ret; |
f657a2fb | 219 | bytes += ret; |
9cce02e8 JA |
220 | } |
221 | ||
222 | return bytes; | |
cd963e18 | 223 | |
9cce02e8 JA |
224 | } |
225 | ||
226 | /* | |
cd963e18 | 227 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 228 | */ |
cd963e18 JA |
229 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
230 | unsigned int len) | |
9cce02e8 JA |
231 | { |
232 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 233 | |
cd963e18 JA |
234 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
235 | } | |
9cce02e8 | 236 | |
cd963e18 JA |
237 | /* |
238 | * vmsplice() io_u to pipe | |
239 | */ | |
240 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
241 | { | |
242 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 243 | |
cd963e18 | 244 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
245 | } |
246 | ||
cd963e18 JA |
247 | /* |
248 | * splice receive - transfer socket data into a pipe using splice, then map | |
249 | * that pipe data into the io_u using vmsplice. | |
250 | */ | |
9cce02e8 JA |
251 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
252 | { | |
253 | int ret; | |
254 | ||
255 | ret = splice_in(td, io_u); | |
cd963e18 JA |
256 | if (ret > 0) |
257 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 258 | |
cd963e18 | 259 | return ret; |
9cce02e8 JA |
260 | } |
261 | ||
cd963e18 JA |
262 | /* |
263 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
264 | * then transfer that pipe to a socket using splice. | |
265 | */ | |
9cce02e8 JA |
266 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
267 | { | |
268 | int ret; | |
269 | ||
270 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
271 | if (ret > 0) |
272 | return splice_out(td, io_u, ret); | |
9cce02e8 | 273 | |
cd963e18 | 274 | return ret; |
9cce02e8 | 275 | } |
5921e80c JA |
276 | #else |
277 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
278 | { | |
af8771b9 | 279 | errno = EOPNOTSUPP; |
5921e80c JA |
280 | return -1; |
281 | } | |
282 | ||
283 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
284 | { | |
af8771b9 | 285 | errno = EOPNOTSUPP; |
5921e80c JA |
286 | return -1; |
287 | } | |
288 | #endif | |
9cce02e8 JA |
289 | |
290 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
291 | { | |
414c2a3e | 292 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 293 | struct netio_options *o = td->eo; |
8e239cae | 294 | int ret, flags = OS_MSG_DONTWAIT; |
371d456c | 295 | |
664fb3bd | 296 | do { |
de890a1e | 297 | if (o->proto == FIO_TYPE_UDP) { |
62b38926 JA |
298 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
299 | ||
664fb3bd | 300 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
62b38926 JA |
301 | io_u->xfer_buflen, flags, to, |
302 | sizeof(*to)); | |
664fb3bd JA |
303 | } else { |
304 | /* | |
305 | * if we are going to write more, set MSG_MORE | |
306 | */ | |
5921e80c | 307 | #ifdef MSG_MORE |
664fb3bd JA |
308 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
309 | td->o.size) | |
310 | flags |= MSG_MORE; | |
5921e80c | 311 | #endif |
664fb3bd JA |
312 | ret = send(io_u->file->fd, io_u->xfer_buf, |
313 | io_u->xfer_buflen, flags); | |
314 | } | |
315 | if (ret > 0) | |
316 | break; | |
9cce02e8 | 317 | |
664fb3bd JA |
318 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
319 | if (ret <= 0) | |
320 | break; | |
321 | ||
8e239cae | 322 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
323 | } while (1); |
324 | ||
325 | return ret; | |
326 | } | |
327 | ||
328 | static int is_udp_close(struct io_u *io_u, int len) | |
329 | { | |
330 | struct udp_close_msg *msg; | |
331 | ||
332 | if (len != sizeof(struct udp_close_msg)) | |
333 | return 0; | |
334 | ||
335 | msg = io_u->xfer_buf; | |
336 | if (ntohl(msg->magic) != FIO_LINK_CLOSE_MAGIC) | |
337 | return 0; | |
338 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
339 | return 0; | |
340 | ||
341 | return 1; | |
9cce02e8 JA |
342 | } |
343 | ||
414c2a3e | 344 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 345 | { |
414c2a3e | 346 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 347 | struct netio_options *o = td->eo; |
8e239cae | 348 | int ret, flags = OS_MSG_DONTWAIT; |
664fb3bd JA |
349 | |
350 | do { | |
de890a1e | 351 | if (o->proto == FIO_TYPE_UDP) { |
5ba13ea6 | 352 | fio_socklen_t len = sizeof(nd->addr); |
62b38926 | 353 | struct sockaddr *from = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
354 | |
355 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
62b38926 | 356 | io_u->xfer_buflen, flags, from, &len); |
664fb3bd JA |
357 | if (is_udp_close(io_u, ret)) { |
358 | td->done = 1; | |
359 | return 0; | |
360 | } | |
361 | } else { | |
362 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
363 | io_u->xfer_buflen, flags); | |
364 | } | |
365 | if (ret > 0) | |
366 | break; | |
9cce02e8 | 367 | |
664fb3bd JA |
368 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
369 | if (ret <= 0) | |
370 | break; | |
8e239cae | 371 | flags &= ~OS_MSG_DONTWAIT; |
664fb3bd JA |
372 | flags |= MSG_WAITALL; |
373 | } while (1); | |
414c2a3e | 374 | |
664fb3bd | 375 | return ret; |
9cce02e8 JA |
376 | } |
377 | ||
378 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) | |
379 | { | |
380 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 381 | struct netio_options *o = td->eo; |
9cce02e8 JA |
382 | int ret; |
383 | ||
7101d9c2 JA |
384 | fio_ro_check(td, io_u); |
385 | ||
9cce02e8 | 386 | if (io_u->ddir == DDIR_WRITE) { |
de890a1e SL |
387 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
388 | o->proto == FIO_TYPE_UNIX) | |
9cce02e8 | 389 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
390 | else |
391 | ret = fio_netio_splice_out(td, io_u); | |
d4f12dd0 | 392 | } else if (io_u->ddir == DDIR_READ) { |
de890a1e SL |
393 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
394 | o->proto == FIO_TYPE_UNIX) | |
414c2a3e | 395 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 396 | else |
414c2a3e | 397 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 398 | } else |
7a6499da | 399 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 400 | |
cec6b55d | 401 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 402 | if (ret >= 0) { |
cec6b55d JA |
403 | io_u->resid = io_u->xfer_buflen - ret; |
404 | io_u->error = 0; | |
36167d82 | 405 | return FIO_Q_COMPLETED; |
414c2a3e JA |
406 | } else { |
407 | int err = errno; | |
408 | ||
409 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) | |
410 | return FIO_Q_BUSY; | |
411 | ||
412 | io_u->error = err; | |
413 | } | |
ed92ac0c JA |
414 | } |
415 | ||
36167d82 | 416 | if (io_u->error) |
e1161c32 | 417 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 418 | |
36167d82 | 419 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
420 | } |
421 | ||
b5af8293 | 422 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 423 | { |
b5af8293 | 424 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 425 | struct netio_options *o = td->eo; |
0fd666bf | 426 | int type, domain; |
414c2a3e | 427 | |
de890a1e | 428 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 429 | domain = AF_INET; |
414c2a3e | 430 | type = SOCK_STREAM; |
de890a1e | 431 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 432 | domain = AF_INET; |
414c2a3e | 433 | type = SOCK_DGRAM; |
de890a1e | 434 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
435 | domain = AF_UNIX; |
436 | type = SOCK_STREAM; | |
437 | } else { | |
de890a1e | 438 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
439 | f->fd = -1; |
440 | return 1; | |
441 | } | |
ed92ac0c | 442 | |
0fd666bf | 443 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
444 | if (f->fd < 0) { |
445 | td_verror(td, errno, "socket"); | |
446 | return 1; | |
ed92ac0c JA |
447 | } |
448 | ||
de890a1e | 449 | if (o->proto == FIO_TYPE_UDP) |
414c2a3e | 450 | return 0; |
de890a1e | 451 | else if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 452 | fio_socklen_t len = sizeof(nd->addr); |
414c2a3e | 453 | |
0fd666bf JA |
454 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
455 | td_verror(td, errno, "connect"); | |
b94cba47 | 456 | close(f->fd); |
0fd666bf JA |
457 | return 1; |
458 | } | |
459 | } else { | |
460 | struct sockaddr_un *addr = &nd->addr_un; | |
461 | fio_socklen_t len; | |
462 | ||
463 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
464 | ||
465 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
466 | td_verror(td, errno, "connect"); | |
b94cba47 | 467 | close(f->fd); |
0fd666bf JA |
468 | return 1; |
469 | } | |
ed92ac0c JA |
470 | } |
471 | ||
472 | return 0; | |
ed92ac0c JA |
473 | } |
474 | ||
b5af8293 | 475 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 476 | { |
b5af8293 | 477 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 478 | struct netio_options *o = td->eo; |
5ba13ea6 | 479 | fio_socklen_t socklen = sizeof(nd->addr); |
5fdd124a | 480 | |
de890a1e | 481 | if (o->proto == FIO_TYPE_UDP) { |
414c2a3e JA |
482 | f->fd = nd->listenfd; |
483 | return 0; | |
484 | } | |
485 | ||
6d86144d | 486 | log_info("fio: waiting for connection\n"); |
5fdd124a | 487 | |
371d456c JA |
488 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
489 | return 1; | |
0c09442b | 490 | |
371d456c JA |
491 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
492 | if (f->fd < 0) { | |
493 | td_verror(td, errno, "accept"); | |
494 | return 1; | |
b5af8293 | 495 | } |
5fdd124a | 496 | |
b5af8293 JA |
497 | return 0; |
498 | } | |
499 | ||
b5af8293 JA |
500 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
501 | { | |
0fd666bf | 502 | int ret; |
991802b8 | 503 | struct netio_options *o = td->eo; |
0fd666bf | 504 | |
991802b8 | 505 | if (o->listen) |
0fd666bf | 506 | ret = fio_netio_accept(td, f); |
b5af8293 | 507 | else |
0fd666bf JA |
508 | ret = fio_netio_connect(td, f); |
509 | ||
510 | if (ret) | |
511 | f->fd = -1; | |
512 | return ret; | |
b5af8293 JA |
513 | } |
514 | ||
664fb3bd JA |
515 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
516 | { | |
517 | struct netio_data *nd = td->io_ops->data; | |
518 | struct udp_close_msg msg; | |
62b38926 | 519 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
520 | int ret; |
521 | ||
522 | msg.magic = htonl(FIO_LINK_CLOSE_MAGIC); | |
523 | msg.cmd = htonl(FIO_LINK_CLOSE); | |
524 | ||
62b38926 | 525 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
664fb3bd JA |
526 | sizeof(nd->addr)); |
527 | if (ret < 0) | |
528 | td_verror(td, errno, "sendto udp link close"); | |
529 | } | |
530 | ||
531 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
532 | { | |
de890a1e | 533 | struct netio_options *o = td->eo; |
664fb3bd JA |
534 | |
535 | /* | |
536 | * If this is an UDP connection, notify the receiver that we are | |
537 | * closing down the link | |
538 | */ | |
de890a1e | 539 | if (o->proto == FIO_TYPE_UDP) |
664fb3bd JA |
540 | fio_netio_udp_close(td, f); |
541 | ||
542 | return generic_close_file(td, f); | |
543 | } | |
544 | ||
0fd666bf JA |
545 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
546 | const char *host, unsigned short port) | |
b5af8293 JA |
547 | { |
548 | struct netio_data *nd = td->io_ops->data; | |
549 | ||
550 | nd->addr.sin_family = AF_INET; | |
551 | nd->addr.sin_port = htons(port); | |
552 | ||
553 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
554 | struct hostent *hent; | |
555 | ||
556 | hent = gethostbyname(host); | |
557 | if (!hent) { | |
558 | td_verror(td, errno, "gethostbyname"); | |
559 | return 1; | |
5fdd124a | 560 | } |
b5af8293 JA |
561 | |
562 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
563 | } |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
0fd666bf JA |
568 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
569 | const char *path) | |
570 | { | |
571 | struct netio_data *nd = td->io_ops->data; | |
572 | struct sockaddr_un *soun = &nd->addr_un; | |
573 | ||
574 | soun->sun_family = AF_UNIX; | |
575 | strcpy(soun->sun_path, path); | |
576 | return 0; | |
577 | } | |
578 | ||
de890a1e | 579 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 580 | { |
de890a1e | 581 | struct netio_options *o = td->eo; |
0fd666bf | 582 | |
de890a1e SL |
583 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
584 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); | |
0fd666bf | 585 | else |
de890a1e | 586 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
587 | } |
588 | ||
589 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
590 | { | |
591 | struct netio_data *nd = td->io_ops->data; | |
592 | struct sockaddr_un *addr = &nd->addr_un; | |
593 | mode_t mode; | |
594 | int len, fd; | |
595 | ||
596 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
597 | if (fd < 0) { | |
598 | log_err("fio: socket: %s\n", strerror(errno)); | |
599 | return -1; | |
600 | } | |
601 | ||
602 | mode = umask(000); | |
603 | ||
604 | memset(addr, 0, sizeof(*addr)); | |
605 | addr->sun_family = AF_UNIX; | |
606 | strcpy(addr->sun_path, path); | |
607 | unlink(path); | |
608 | ||
609 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
610 | ||
611 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
612 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 613 | close(fd); |
0fd666bf JA |
614 | return -1; |
615 | } | |
616 | ||
617 | umask(mode); | |
618 | nd->listenfd = fd; | |
619 | return 0; | |
620 | } | |
621 | ||
622 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 623 | { |
b5af8293 | 624 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 625 | struct netio_options *o = td->eo; |
414c2a3e | 626 | int fd, opt, type; |
ed92ac0c | 627 | |
de890a1e | 628 | if (o->proto == FIO_TYPE_TCP) |
414c2a3e JA |
629 | type = SOCK_STREAM; |
630 | else | |
631 | type = SOCK_DGRAM; | |
632 | ||
0fd666bf | 633 | fd = socket(AF_INET, type, 0); |
ed92ac0c | 634 | if (fd < 0) { |
e1161c32 | 635 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
636 | return 1; |
637 | } | |
638 | ||
639 | opt = 1; | |
640 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 641 | td_verror(td, errno, "setsockopt"); |
ed92ac0c JA |
642 | return 1; |
643 | } | |
6bedbfaf JA |
644 | #ifdef SO_REUSEPORT |
645 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 646 | td_verror(td, errno, "setsockopt"); |
6bedbfaf JA |
647 | return 1; |
648 | } | |
649 | #endif | |
ed92ac0c | 650 | |
b5af8293 JA |
651 | nd->addr.sin_family = AF_INET; |
652 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); | |
653 | nd->addr.sin_port = htons(port); | |
ed92ac0c | 654 | |
b5af8293 | 655 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 656 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
657 | return 1; |
658 | } | |
0fd666bf JA |
659 | |
660 | nd->listenfd = fd; | |
661 | return 0; | |
662 | } | |
663 | ||
de890a1e | 664 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
665 | { |
666 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 667 | struct netio_options *o = td->eo; |
0fd666bf JA |
668 | int ret; |
669 | ||
de890a1e SL |
670 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
671 | ret = fio_netio_setup_listen_inet(td, o->port); | |
0fd666bf | 672 | else |
de890a1e | 673 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
674 | |
675 | if (ret) | |
676 | return ret; | |
de890a1e | 677 | if (o->proto == FIO_TYPE_UDP) |
0fd666bf JA |
678 | return 0; |
679 | ||
680 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 681 | td_verror(td, errno, "listen"); |
0fd666bf | 682 | nd->listenfd = -1; |
ed92ac0c JA |
683 | return 1; |
684 | } | |
685 | ||
b5af8293 | 686 | return 0; |
ed92ac0c JA |
687 | } |
688 | ||
9bec88e1 | 689 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 690 | { |
de890a1e | 691 | struct netio_options *o = td->eo; |
af52b345 | 692 | int ret; |
ed92ac0c | 693 | |
16d55aae JA |
694 | if (td_random(td)) { |
695 | log_err("fio: network IO can't be random\n"); | |
696 | return 1; | |
697 | } | |
ed92ac0c | 698 | |
de890a1e SL |
699 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
700 | log_err("fio: network IO port not valid with unix socket\n"); | |
701 | return 1; | |
702 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
703 | log_err("fio: network IO requires port for tcp or udp\n"); | |
704 | return 1; | |
705 | } | |
ed92ac0c | 706 | |
de890a1e SL |
707 | if (o->proto != FIO_TYPE_TCP) { |
708 | if (o->listen) { | |
9b986065 JA |
709 | log_err("fio: listen only valid for TCP proto IO\n"); |
710 | return 1; | |
de890a1e SL |
711 | } |
712 | if (td_rw(td)) { | |
9b986065 | 713 | log_err("fio: datagram network connections must be" |
de890a1e | 714 | " read OR write\n"); |
9b986065 JA |
715 | return 1; |
716 | } | |
717 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
718 | log_err("fio: UNIX sockets need host/filename\n"); | |
719 | return 1; | |
de890a1e SL |
720 | } |
721 | o->listen = td_read(td); | |
722 | } | |
443662ef | 723 | |
de890a1e SL |
724 | if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { |
725 | log_err("fio: hostname not valid for inbound network IO\n"); | |
726 | return 1; | |
414c2a3e | 727 | } |
0fd666bf | 728 | |
de890a1e SL |
729 | if (o->listen) |
730 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 731 | else |
de890a1e | 732 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 733 | |
7bb48f84 | 734 | return ret; |
ed92ac0c JA |
735 | } |
736 | ||
b5af8293 | 737 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 738 | { |
b5af8293 JA |
739 | struct netio_data *nd = td->io_ops->data; |
740 | ||
741 | if (nd) { | |
64b24cd8 JA |
742 | if (nd->listenfd != -1) |
743 | close(nd->listenfd); | |
744 | if (nd->pipes[0] != -1) | |
745 | close(nd->pipes[0]); | |
746 | if (nd->pipes[1] != -1) | |
747 | close(nd->pipes[1]); | |
748 | ||
b5af8293 | 749 | free(nd); |
b5af8293 JA |
750 | } |
751 | } | |
752 | ||
753 | static int fio_netio_setup(struct thread_data *td) | |
754 | { | |
7bb48f84 | 755 | struct netio_data *nd; |
7bb48f84 | 756 | |
de890a1e SL |
757 | if (!td->files_index) { |
758 | add_file(td, td->o.filename ?: "net"); | |
759 | td->o.nr_files = td->o.nr_files ?: 1; | |
760 | } | |
761 | ||
7bb48f84 JA |
762 | if (!td->io_ops->data) { |
763 | nd = malloc(sizeof(*nd));; | |
764 | ||
765 | memset(nd, 0, sizeof(*nd)); | |
766 | nd->listenfd = -1; | |
64b24cd8 | 767 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 768 | td->io_ops->data = nd; |
7bb48f84 | 769 | } |
b5af8293 | 770 | |
9bec88e1 JA |
771 | return 0; |
772 | } | |
773 | ||
5921e80c | 774 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 JA |
775 | static int fio_netio_setup_splice(struct thread_data *td) |
776 | { | |
777 | struct netio_data *nd; | |
778 | ||
779 | fio_netio_setup(td); | |
780 | ||
781 | nd = td->io_ops->data; | |
782 | if (nd) { | |
783 | if (pipe(nd->pipes) < 0) | |
784 | return 1; | |
785 | ||
786 | nd->use_splice = 1; | |
787 | return 0; | |
788 | } | |
789 | ||
790 | return 1; | |
791 | } | |
792 | ||
5921e80c | 793 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
794 | .name = "netsplice", |
795 | .version = FIO_IOOPS_VERSION, | |
796 | .prep = fio_netio_prep, | |
797 | .queue = fio_netio_queue, | |
798 | .setup = fio_netio_setup_splice, | |
799 | .init = fio_netio_init, | |
800 | .cleanup = fio_netio_cleanup, | |
801 | .open_file = fio_netio_open_file, | |
802 | .close_file = generic_close_file, | |
803 | .options = options, | |
804 | .option_struct_size = sizeof(struct netio_options), | |
805 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
806 | FIO_SIGTERM | FIO_PIPEIO, | |
ed92ac0c | 807 | }; |
5921e80c | 808 | #endif |
ed92ac0c | 809 | |
5921e80c | 810 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
811 | .name = "net", |
812 | .version = FIO_IOOPS_VERSION, | |
813 | .prep = fio_netio_prep, | |
814 | .queue = fio_netio_queue, | |
815 | .setup = fio_netio_setup, | |
816 | .init = fio_netio_init, | |
817 | .cleanup = fio_netio_cleanup, | |
818 | .open_file = fio_netio_open_file, | |
819 | .close_file = fio_netio_close_file, | |
820 | .options = options, | |
821 | .option_struct_size = sizeof(struct netio_options), | |
822 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
823 | FIO_SIGTERM | FIO_PIPEIO, | |
9cce02e8 JA |
824 | }; |
825 | ||
de890a1e SL |
826 | static int str_hostname_cb(void *data, const char *input) |
827 | { | |
828 | struct netio_options *o = data; | |
829 | ||
830 | if (o->td->o.filename) | |
831 | free(o->td->o.filename); | |
832 | o->td->o.filename = strdup(input); | |
833 | return 0; | |
834 | } | |
835 | ||
ed92ac0c JA |
836 | static void fio_init fio_netio_register(void) |
837 | { | |
9cce02e8 | 838 | register_ioengine(&ioengine_rw); |
5921e80c | 839 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 840 | register_ioengine(&ioengine_splice); |
5921e80c | 841 | #endif |
ed92ac0c JA |
842 | } |
843 | ||
844 | static void fio_exit fio_netio_unregister(void) | |
845 | { | |
9cce02e8 | 846 | unregister_ioengine(&ioengine_rw); |
5921e80c | 847 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 848 | unregister_ioengine(&ioengine_splice); |
5921e80c | 849 | #endif |
ed92ac0c | 850 | } |