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 JA |
11 | #include <errno.h> |
12 | #include <assert.h> | |
13 | #include <netinet/in.h> | |
70a7878c | 14 | #include <netinet/tcp.h> |
ed92ac0c JA |
15 | #include <arpa/inet.h> |
16 | #include <netdb.h> | |
5fdd124a | 17 | #include <sys/poll.h> |
7292056a | 18 | #include <sys/types.h> |
0fd666bf | 19 | #include <sys/stat.h> |
7292056a | 20 | #include <sys/socket.h> |
0fd666bf | 21 | #include <sys/un.h> |
ed92ac0c JA |
22 | |
23 | #include "../fio.h" | |
ed92ac0c | 24 | |
b5af8293 JA |
25 | struct netio_data { |
26 | int listenfd; | |
9cce02e8 JA |
27 | int use_splice; |
28 | int pipes[2]; | |
b5af8293 | 29 | struct sockaddr_in addr; |
0fd666bf | 30 | struct sockaddr_un addr_un; |
b5af8293 | 31 | }; |
ed92ac0c | 32 | |
de890a1e SL |
33 | struct netio_options { |
34 | struct thread_data *td; | |
35 | unsigned int port; | |
36 | unsigned int proto; | |
37 | unsigned int listen; | |
6f73a7f8 | 38 | unsigned int pingpong; |
70a7878c | 39 | unsigned int nodelay; |
b93b6a2e | 40 | char * interface; |
de890a1e SL |
41 | }; |
42 | ||
664fb3bd JA |
43 | struct udp_close_msg { |
44 | uint32_t magic; | |
45 | uint32_t cmd; | |
46 | }; | |
47 | ||
48 | enum { | |
49 | FIO_LINK_CLOSE = 0x89, | |
b96d2430 JA |
50 | FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, |
51 | FIO_LINK_OPEN = 0x98, | |
0fd666bf JA |
52 | |
53 | FIO_TYPE_TCP = 1, | |
54 | FIO_TYPE_UDP = 2, | |
55 | FIO_TYPE_UNIX = 3, | |
664fb3bd JA |
56 | }; |
57 | ||
de890a1e SL |
58 | static int str_hostname_cb(void *data, const char *input); |
59 | static struct fio_option options[] = { | |
60 | { | |
61 | .name = "hostname", | |
e8b0e958 | 62 | .lname = "net engine hostname", |
de890a1e SL |
63 | .type = FIO_OPT_STR_STORE, |
64 | .cb = str_hostname_cb, | |
65 | .help = "Hostname for net IO engine", | |
e90a0adf JA |
66 | .category = FIO_OPT_C_ENGINE, |
67 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
68 | }, |
69 | { | |
70 | .name = "port", | |
e8b0e958 | 71 | .lname = "net engine port", |
de890a1e SL |
72 | .type = FIO_OPT_INT, |
73 | .off1 = offsetof(struct netio_options, port), | |
74 | .minval = 1, | |
75 | .maxval = 65535, | |
76 | .help = "Port to use for TCP or UDP net connections", | |
e90a0adf JA |
77 | .category = FIO_OPT_C_ENGINE, |
78 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
79 | }, |
80 | { | |
81 | .name = "protocol", | |
e8b0e958 | 82 | .lname = "net engine protocol", |
de890a1e SL |
83 | .alias = "proto", |
84 | .type = FIO_OPT_STR, | |
85 | .off1 = offsetof(struct netio_options, proto), | |
86 | .help = "Network protocol to use", | |
87 | .def = "tcp", | |
88 | .posval = { | |
89 | { .ival = "tcp", | |
90 | .oval = FIO_TYPE_TCP, | |
91 | .help = "Transmission Control Protocol", | |
92 | }, | |
93 | { .ival = "udp", | |
94 | .oval = FIO_TYPE_UDP, | |
f5cc3d0e | 95 | .help = "User Datagram Protocol", |
de890a1e SL |
96 | }, |
97 | { .ival = "unix", | |
98 | .oval = FIO_TYPE_UNIX, | |
99 | .help = "UNIX domain socket", | |
100 | }, | |
101 | }, | |
e90a0adf JA |
102 | .category = FIO_OPT_C_ENGINE, |
103 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 104 | }, |
1eafa37a | 105 | #ifdef CONFIG_TCP_NODELAY |
70a7878c SN |
106 | { |
107 | .name = "nodelay", | |
108 | .type = FIO_OPT_BOOL, | |
109 | .off1 = offsetof(struct netio_options, nodelay), | |
110 | .help = "Use TCP_NODELAY on TCP connections", | |
e90a0adf JA |
111 | .category = FIO_OPT_C_ENGINE, |
112 | .group = FIO_OPT_G_NETIO, | |
70a7878c | 113 | }, |
1eafa37a | 114 | #endif |
de890a1e SL |
115 | { |
116 | .name = "listen", | |
e8b0e958 | 117 | .lname = "net engine listen", |
de890a1e SL |
118 | .type = FIO_OPT_STR_SET, |
119 | .off1 = offsetof(struct netio_options, listen), | |
120 | .help = "Listen for incoming TCP connections", | |
e90a0adf JA |
121 | .category = FIO_OPT_C_ENGINE, |
122 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 123 | }, |
6f73a7f8 JA |
124 | { |
125 | .name = "pingpong", | |
126 | .type = FIO_OPT_STR_SET, | |
127 | .off1 = offsetof(struct netio_options, pingpong), | |
128 | .help = "Ping-pong IO requests", | |
e90a0adf JA |
129 | .category = FIO_OPT_C_ENGINE, |
130 | .group = FIO_OPT_G_NETIO, | |
6f73a7f8 | 131 | }, |
b93b6a2e SB |
132 | { |
133 | .name = "interface", | |
134 | .lname = "net engine interface", | |
135 | .type = FIO_OPT_STR_STORE, | |
136 | .off1 = offsetof(struct netio_options, interface), | |
137 | .help = "Network interface to use", | |
138 | .category = FIO_OPT_C_ENGINE, | |
139 | .group = FIO_OPT_G_NETIO, | |
140 | }, | |
de890a1e SL |
141 | { |
142 | .name = NULL, | |
143 | }, | |
144 | }; | |
145 | ||
371d456c JA |
146 | /* |
147 | * Return -1 for error and 'nr events' for a positive number | |
148 | * of events | |
149 | */ | |
150 | static int poll_wait(struct thread_data *td, int fd, short events) | |
151 | { | |
152 | struct pollfd pfd; | |
153 | int ret; | |
154 | ||
155 | while (!td->terminate) { | |
156 | pfd.fd = fd; | |
157 | pfd.events = events; | |
158 | ret = poll(&pfd, 1, -1); | |
159 | if (ret < 0) { | |
160 | if (errno == EINTR) | |
d5b388a5 | 161 | break; |
371d456c JA |
162 | |
163 | td_verror(td, errno, "poll"); | |
164 | return -1; | |
165 | } else if (!ret) | |
166 | continue; | |
167 | ||
168 | break; | |
169 | } | |
170 | ||
171 | if (pfd.revents & events) | |
172 | return 1; | |
371d456c JA |
173 | |
174 | return -1; | |
175 | } | |
176 | ||
b511c9aa SB |
177 | static int fio_netio_is_multicast(const char *mcaddr) |
178 | { | |
179 | in_addr_t addr = inet_network(mcaddr); | |
180 | if (addr == -1) | |
181 | return 0; | |
182 | ||
183 | if (inet_network("224.0.0.0") <= addr && | |
184 | inet_network("239.255.255.255") >= addr) | |
185 | return 1; | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
190 | ||
ed92ac0c JA |
191 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
192 | { | |
de890a1e | 193 | struct netio_options *o = td->eo; |
ed92ac0c | 194 | |
7a6499da JA |
195 | /* |
196 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
197 | */ | |
de890a1e SL |
198 | if (o->proto == FIO_TYPE_TCP) |
199 | return 0; | |
200 | ||
201 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
202 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 203 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 204 | return 1; |
ed92ac0c | 205 | } |
3f457bea | 206 | |
f85ac25a | 207 | return 0; |
ed92ac0c JA |
208 | } |
209 | ||
67bf9823 | 210 | #ifdef CONFIG_LINUX_SPLICE |
cd963e18 | 211 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 212 | { |
9cce02e8 | 213 | int bytes = 0; |
7a6499da | 214 | |
9cce02e8 | 215 | while (len) { |
cd963e18 | 216 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
217 | |
218 | if (ret < 0) { | |
219 | if (!bytes) | |
220 | bytes = ret; | |
221 | ||
222 | break; | |
223 | } else if (!ret) | |
224 | break; | |
225 | ||
226 | bytes += ret; | |
f657a2fb | 227 | len -= ret; |
9cce02e8 JA |
228 | } |
229 | ||
230 | return bytes; | |
231 | } | |
232 | ||
233 | /* | |
cd963e18 | 234 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 235 | */ |
cd963e18 | 236 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
237 | { |
238 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 239 | |
cd963e18 | 240 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
241 | } |
242 | ||
243 | /* | |
cd963e18 | 244 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 245 | */ |
cd963e18 JA |
246 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
247 | unsigned int len) | |
9cce02e8 JA |
248 | { |
249 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
250 | |
251 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
252 | } | |
253 | ||
254 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
255 | { | |
9cce02e8 JA |
256 | struct iovec iov = { |
257 | .iov_base = io_u->xfer_buf, | |
258 | .iov_len = len, | |
259 | }; | |
260 | int bytes = 0; | |
261 | ||
262 | while (iov.iov_len) { | |
cd963e18 | 263 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
264 | |
265 | if (ret < 0) { | |
266 | if (!bytes) | |
267 | bytes = ret; | |
268 | break; | |
269 | } else if (!ret) | |
270 | break; | |
271 | ||
272 | iov.iov_len -= ret; | |
cd963e18 | 273 | iov.iov_base += ret; |
f657a2fb | 274 | bytes += ret; |
9cce02e8 JA |
275 | } |
276 | ||
277 | return bytes; | |
cd963e18 | 278 | |
9cce02e8 JA |
279 | } |
280 | ||
281 | /* | |
cd963e18 | 282 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 283 | */ |
cd963e18 JA |
284 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
285 | unsigned int len) | |
9cce02e8 JA |
286 | { |
287 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 288 | |
cd963e18 JA |
289 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
290 | } | |
9cce02e8 | 291 | |
cd963e18 JA |
292 | /* |
293 | * vmsplice() io_u to pipe | |
294 | */ | |
295 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
296 | { | |
297 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 298 | |
cd963e18 | 299 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
300 | } |
301 | ||
cd963e18 JA |
302 | /* |
303 | * splice receive - transfer socket data into a pipe using splice, then map | |
304 | * that pipe data into the io_u using vmsplice. | |
305 | */ | |
9cce02e8 JA |
306 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
307 | { | |
308 | int ret; | |
309 | ||
310 | ret = splice_in(td, io_u); | |
cd963e18 JA |
311 | if (ret > 0) |
312 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 313 | |
cd963e18 | 314 | return ret; |
9cce02e8 JA |
315 | } |
316 | ||
cd963e18 JA |
317 | /* |
318 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
319 | * then transfer that pipe to a socket using splice. | |
320 | */ | |
9cce02e8 JA |
321 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
322 | { | |
323 | int ret; | |
324 | ||
325 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
326 | if (ret > 0) |
327 | return splice_out(td, io_u, ret); | |
9cce02e8 | 328 | |
cd963e18 | 329 | return ret; |
9cce02e8 | 330 | } |
5921e80c JA |
331 | #else |
332 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
333 | { | |
af8771b9 | 334 | errno = EOPNOTSUPP; |
5921e80c JA |
335 | return -1; |
336 | } | |
337 | ||
338 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
339 | { | |
af8771b9 | 340 | errno = EOPNOTSUPP; |
5921e80c JA |
341 | return -1; |
342 | } | |
343 | #endif | |
9cce02e8 JA |
344 | |
345 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
346 | { | |
414c2a3e | 347 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 348 | struct netio_options *o = td->eo; |
6f73a7f8 | 349 | int ret, flags = 0; |
371d456c | 350 | |
664fb3bd | 351 | do { |
de890a1e | 352 | if (o->proto == FIO_TYPE_UDP) { |
62b38926 JA |
353 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
354 | ||
664fb3bd | 355 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
62b38926 JA |
356 | io_u->xfer_buflen, flags, to, |
357 | sizeof(*to)); | |
664fb3bd JA |
358 | } else { |
359 | /* | |
360 | * if we are going to write more, set MSG_MORE | |
361 | */ | |
5921e80c | 362 | #ifdef MSG_MORE |
6f73a7f8 JA |
363 | if ((td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
364 | td->o.size) && !o->pingpong) | |
664fb3bd | 365 | flags |= MSG_MORE; |
5921e80c | 366 | #endif |
664fb3bd JA |
367 | ret = send(io_u->file->fd, io_u->xfer_buf, |
368 | io_u->xfer_buflen, flags); | |
369 | } | |
370 | if (ret > 0) | |
371 | break; | |
9cce02e8 | 372 | |
664fb3bd JA |
373 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
374 | if (ret <= 0) | |
375 | break; | |
664fb3bd JA |
376 | } while (1); |
377 | ||
378 | return ret; | |
379 | } | |
380 | ||
381 | static int is_udp_close(struct io_u *io_u, int len) | |
382 | { | |
383 | struct udp_close_msg *msg; | |
384 | ||
385 | if (len != sizeof(struct udp_close_msg)) | |
386 | return 0; | |
387 | ||
388 | msg = io_u->xfer_buf; | |
b96d2430 | 389 | if (ntohl(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) |
664fb3bd JA |
390 | return 0; |
391 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
392 | return 0; | |
393 | ||
394 | return 1; | |
9cce02e8 JA |
395 | } |
396 | ||
414c2a3e | 397 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 398 | { |
414c2a3e | 399 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 400 | struct netio_options *o = td->eo; |
6f73a7f8 | 401 | int ret, flags = 0; |
664fb3bd JA |
402 | |
403 | do { | |
de890a1e | 404 | if (o->proto == FIO_TYPE_UDP) { |
b511c9aa SB |
405 | socklen_t l; |
406 | socklen_t *len = &l; | |
407 | struct sockaddr *from; | |
408 | ||
409 | if (o->listen) { | |
410 | from = (struct sockaddr *) &nd->addr; | |
411 | *len = sizeof(nd->addr); | |
412 | } else { | |
413 | from = NULL; | |
414 | len = NULL; | |
415 | } | |
664fb3bd JA |
416 | |
417 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
b511c9aa | 418 | io_u->xfer_buflen, flags, from, len); |
664fb3bd JA |
419 | if (is_udp_close(io_u, ret)) { |
420 | td->done = 1; | |
421 | return 0; | |
422 | } | |
423 | } else { | |
424 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
425 | io_u->xfer_buflen, flags); | |
426 | } | |
427 | if (ret > 0) | |
428 | break; | |
7d988f68 JA |
429 | else if (!ret && (flags & MSG_WAITALL)) |
430 | break; | |
9cce02e8 | 431 | |
664fb3bd JA |
432 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
433 | if (ret <= 0) | |
434 | break; | |
664fb3bd JA |
435 | flags |= MSG_WAITALL; |
436 | } while (1); | |
414c2a3e | 437 | |
664fb3bd | 438 | return ret; |
9cce02e8 JA |
439 | } |
440 | ||
6f73a7f8 JA |
441 | static int __fio_netio_queue(struct thread_data *td, struct io_u *io_u, |
442 | enum fio_ddir ddir) | |
9cce02e8 JA |
443 | { |
444 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 445 | struct netio_options *o = td->eo; |
9cce02e8 JA |
446 | int ret; |
447 | ||
6f73a7f8 | 448 | if (ddir == DDIR_WRITE) { |
de890a1e SL |
449 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
450 | o->proto == FIO_TYPE_UNIX) | |
9cce02e8 | 451 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
452 | else |
453 | ret = fio_netio_splice_out(td, io_u); | |
6f73a7f8 | 454 | } else if (ddir == DDIR_READ) { |
de890a1e SL |
455 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
456 | o->proto == FIO_TYPE_UNIX) | |
414c2a3e | 457 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 458 | else |
414c2a3e | 459 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 460 | } else |
7a6499da | 461 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 462 | |
cec6b55d | 463 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 464 | if (ret >= 0) { |
cec6b55d JA |
465 | io_u->resid = io_u->xfer_buflen - ret; |
466 | io_u->error = 0; | |
36167d82 | 467 | return FIO_Q_COMPLETED; |
414c2a3e JA |
468 | } else { |
469 | int err = errno; | |
470 | ||
6f73a7f8 | 471 | if (ddir == DDIR_WRITE && err == EMSGSIZE) |
414c2a3e JA |
472 | return FIO_Q_BUSY; |
473 | ||
474 | io_u->error = err; | |
475 | } | |
ed92ac0c JA |
476 | } |
477 | ||
36167d82 | 478 | if (io_u->error) |
e1161c32 | 479 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 480 | |
36167d82 | 481 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
482 | } |
483 | ||
6f73a7f8 JA |
484 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) |
485 | { | |
486 | struct netio_options *o = td->eo; | |
487 | int ret; | |
488 | ||
489 | fio_ro_check(td, io_u); | |
490 | ||
491 | ret = __fio_netio_queue(td, io_u, io_u->ddir); | |
492 | if (!o->pingpong || ret != FIO_Q_COMPLETED) | |
493 | return ret; | |
494 | ||
495 | /* | |
496 | * For ping-pong mode, receive or send reply as needed | |
497 | */ | |
498 | if (td_read(td) && io_u->ddir == DDIR_READ) | |
499 | ret = __fio_netio_queue(td, io_u, DDIR_WRITE); | |
500 | else if (td_write(td) && io_u->ddir == DDIR_WRITE) | |
501 | ret = __fio_netio_queue(td, io_u, DDIR_READ); | |
502 | ||
503 | return ret; | |
504 | } | |
505 | ||
b5af8293 | 506 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 507 | { |
b5af8293 | 508 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 509 | struct netio_options *o = td->eo; |
6264c7a8 | 510 | int type, domain; |
414c2a3e | 511 | |
de890a1e | 512 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 513 | domain = AF_INET; |
414c2a3e | 514 | type = SOCK_STREAM; |
de890a1e | 515 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 516 | domain = AF_INET; |
414c2a3e | 517 | type = SOCK_DGRAM; |
de890a1e | 518 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
519 | domain = AF_UNIX; |
520 | type = SOCK_STREAM; | |
521 | } else { | |
de890a1e | 522 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
523 | f->fd = -1; |
524 | return 1; | |
525 | } | |
ed92ac0c | 526 | |
0fd666bf | 527 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
528 | if (f->fd < 0) { |
529 | td_verror(td, errno, "socket"); | |
530 | return 1; | |
ed92ac0c JA |
531 | } |
532 | ||
1eafa37a | 533 | #ifdef CONFIG_TCP_NODELAY |
70a7878c | 534 | if (o->nodelay && o->proto == FIO_TYPE_TCP) { |
6264c7a8 JA |
535 | int optval = 1; |
536 | ||
26e594a5 | 537 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
538 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
539 | return 1; | |
540 | } | |
541 | } | |
1eafa37a | 542 | #endif |
70a7878c | 543 | |
b93b6a2e SB |
544 | if (o->proto == FIO_TYPE_UDP) { |
545 | if (o->interface && fio_netio_is_multicast(td->o.filename)) { | |
546 | struct in_addr interface_addr; | |
547 | if (inet_aton(o->interface, &interface_addr) == 0) { | |
548 | log_err("fio: interface not valid interface IP\n"); | |
549 | close(f->fd); | |
550 | return 1; | |
551 | } | |
552 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr)) < 0) { | |
553 | td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); | |
554 | close(f->fd); | |
555 | return 1; | |
556 | } | |
557 | } | |
414c2a3e | 558 | return 0; |
b93b6a2e | 559 | } else if (o->proto == FIO_TYPE_TCP) { |
67bf9823 | 560 | socklen_t len = sizeof(nd->addr); |
414c2a3e | 561 | |
0fd666bf JA |
562 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
563 | td_verror(td, errno, "connect"); | |
b94cba47 | 564 | close(f->fd); |
0fd666bf JA |
565 | return 1; |
566 | } | |
567 | } else { | |
568 | struct sockaddr_un *addr = &nd->addr_un; | |
67bf9823 | 569 | socklen_t len; |
0fd666bf JA |
570 | |
571 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
572 | ||
573 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
574 | td_verror(td, errno, "connect"); | |
b94cba47 | 575 | close(f->fd); |
0fd666bf JA |
576 | return 1; |
577 | } | |
ed92ac0c JA |
578 | } |
579 | ||
580 | return 0; | |
ed92ac0c JA |
581 | } |
582 | ||
b5af8293 | 583 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 584 | { |
b5af8293 | 585 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 586 | struct netio_options *o = td->eo; |
67bf9823 | 587 | socklen_t socklen = sizeof(nd->addr); |
6264c7a8 | 588 | int state; |
5fdd124a | 589 | |
de890a1e | 590 | if (o->proto == FIO_TYPE_UDP) { |
414c2a3e JA |
591 | f->fd = nd->listenfd; |
592 | return 0; | |
593 | } | |
594 | ||
859088d3 JA |
595 | state = td->runstate; |
596 | td_set_runstate(td, TD_SETTING_UP); | |
597 | ||
6d86144d | 598 | log_info("fio: waiting for connection\n"); |
5fdd124a | 599 | |
371d456c | 600 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
859088d3 | 601 | goto err; |
0c09442b | 602 | |
371d456c JA |
603 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
604 | if (f->fd < 0) { | |
605 | td_verror(td, errno, "accept"); | |
859088d3 | 606 | goto err; |
b5af8293 | 607 | } |
5fdd124a | 608 | |
1eafa37a | 609 | #ifdef CONFIG_TCP_NODELAY |
70a7878c | 610 | if (o->nodelay && o->proto == FIO_TYPE_TCP) { |
6264c7a8 JA |
611 | int optval = 1; |
612 | ||
26e594a5 | 613 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
614 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
615 | return 1; | |
616 | } | |
617 | } | |
1eafa37a | 618 | #endif |
70a7878c | 619 | |
0cae16ff | 620 | reset_all_stats(td); |
859088d3 | 621 | td_set_runstate(td, state); |
b5af8293 | 622 | return 0; |
859088d3 JA |
623 | err: |
624 | td_set_runstate(td, state); | |
625 | return 1; | |
b5af8293 JA |
626 | } |
627 | ||
664fb3bd JA |
628 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
629 | { | |
630 | struct netio_data *nd = td->io_ops->data; | |
631 | struct udp_close_msg msg; | |
62b38926 | 632 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
633 | int ret; |
634 | ||
b96d2430 | 635 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
664fb3bd JA |
636 | msg.cmd = htonl(FIO_LINK_CLOSE); |
637 | ||
1f81991e | 638 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, |
664fb3bd JA |
639 | sizeof(nd->addr)); |
640 | if (ret < 0) | |
641 | td_verror(td, errno, "sendto udp link close"); | |
642 | } | |
643 | ||
644 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
645 | { | |
de890a1e | 646 | struct netio_options *o = td->eo; |
664fb3bd JA |
647 | |
648 | /* | |
649 | * If this is an UDP connection, notify the receiver that we are | |
650 | * closing down the link | |
651 | */ | |
de890a1e | 652 | if (o->proto == FIO_TYPE_UDP) |
664fb3bd JA |
653 | fio_netio_udp_close(td, f); |
654 | ||
655 | return generic_close_file(td, f); | |
656 | } | |
657 | ||
b96d2430 JA |
658 | static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) |
659 | { | |
660 | struct netio_data *nd = td->io_ops->data; | |
661 | struct udp_close_msg msg; | |
662 | struct sockaddr *to = (struct sockaddr *) &nd->addr; | |
67bf9823 | 663 | socklen_t len = sizeof(nd->addr); |
b96d2430 JA |
664 | int ret; |
665 | ||
1f81991e | 666 | ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); |
b96d2430 | 667 | if (ret < 0) { |
ee7062fd | 668 | td_verror(td, errno, "recvfrom udp link open"); |
b96d2430 JA |
669 | return ret; |
670 | } | |
671 | ||
672 | if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || | |
673 | ntohl(msg.cmd) != FIO_LINK_OPEN) { | |
674 | log_err("fio: bad udp open magic %x/%x\n", ntohl(msg.magic), | |
675 | ntohl(msg.cmd)); | |
676 | return -1; | |
677 | } | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
682 | static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) | |
683 | { | |
684 | struct netio_data *nd = td->io_ops->data; | |
685 | struct udp_close_msg msg; | |
686 | struct sockaddr *to = (struct sockaddr *) &nd->addr; | |
687 | int ret; | |
688 | ||
689 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); | |
690 | msg.cmd = htonl(FIO_LINK_OPEN); | |
691 | ||
1f81991e | 692 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, |
b96d2430 JA |
693 | sizeof(nd->addr)); |
694 | if (ret < 0) { | |
695 | td_verror(td, errno, "sendto udp link open"); | |
696 | return ret; | |
697 | } | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) | |
703 | { | |
704 | int ret; | |
705 | struct netio_options *o = td->eo; | |
706 | ||
707 | if (o->listen) | |
708 | ret = fio_netio_accept(td, f); | |
709 | else | |
710 | ret = fio_netio_connect(td, f); | |
711 | ||
712 | if (ret) { | |
713 | f->fd = -1; | |
714 | return ret; | |
715 | } | |
716 | ||
717 | if (o->proto == FIO_TYPE_UDP) { | |
718 | if (td_write(td)) | |
719 | ret = fio_netio_udp_send_open(td, f); | |
720 | else { | |
721 | int state; | |
722 | ||
723 | state = td->runstate; | |
724 | td_set_runstate(td, TD_SETTING_UP); | |
725 | ret = fio_netio_udp_recv_open(td, f); | |
726 | td_set_runstate(td, state); | |
727 | } | |
728 | } | |
729 | ||
730 | if (ret) | |
731 | fio_netio_close_file(td, f); | |
732 | ||
733 | return ret; | |
734 | } | |
735 | ||
0fd666bf JA |
736 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
737 | const char *host, unsigned short port) | |
b5af8293 JA |
738 | { |
739 | struct netio_data *nd = td->io_ops->data; | |
740 | ||
166dce4b JA |
741 | if (!host) { |
742 | log_err("fio: connect with no host to connect to.\n"); | |
743 | if (td_read(td)) | |
744 | log_err("fio: did you forget to set 'listen'?\n"); | |
745 | ||
746 | td_verror(td, EINVAL, "no hostname= set"); | |
747 | return 1; | |
748 | } | |
749 | ||
b5af8293 JA |
750 | nd->addr.sin_family = AF_INET; |
751 | nd->addr.sin_port = htons(port); | |
752 | ||
753 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
754 | struct hostent *hent; | |
755 | ||
756 | hent = gethostbyname(host); | |
757 | if (!hent) { | |
758 | td_verror(td, errno, "gethostbyname"); | |
759 | return 1; | |
5fdd124a | 760 | } |
b5af8293 JA |
761 | |
762 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
763 | } |
764 | ||
765 | return 0; | |
766 | } | |
767 | ||
0fd666bf JA |
768 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
769 | const char *path) | |
770 | { | |
771 | struct netio_data *nd = td->io_ops->data; | |
772 | struct sockaddr_un *soun = &nd->addr_un; | |
773 | ||
774 | soun->sun_family = AF_UNIX; | |
775 | strcpy(soun->sun_path, path); | |
776 | return 0; | |
777 | } | |
778 | ||
de890a1e | 779 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 780 | { |
de890a1e | 781 | struct netio_options *o = td->eo; |
0fd666bf | 782 | |
de890a1e SL |
783 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
784 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); | |
0fd666bf | 785 | else |
de890a1e | 786 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
787 | } |
788 | ||
789 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
790 | { | |
791 | struct netio_data *nd = td->io_ops->data; | |
792 | struct sockaddr_un *addr = &nd->addr_un; | |
793 | mode_t mode; | |
794 | int len, fd; | |
795 | ||
796 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
797 | if (fd < 0) { | |
798 | log_err("fio: socket: %s\n", strerror(errno)); | |
799 | return -1; | |
800 | } | |
801 | ||
802 | mode = umask(000); | |
803 | ||
804 | memset(addr, 0, sizeof(*addr)); | |
805 | addr->sun_family = AF_UNIX; | |
806 | strcpy(addr->sun_path, path); | |
807 | unlink(path); | |
808 | ||
809 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
810 | ||
811 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
812 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 813 | close(fd); |
0fd666bf JA |
814 | return -1; |
815 | } | |
816 | ||
817 | umask(mode); | |
818 | nd->listenfd = fd; | |
819 | return 0; | |
820 | } | |
821 | ||
822 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 823 | { |
b5af8293 | 824 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 825 | struct netio_options *o = td->eo; |
b511c9aa SB |
826 | struct ip_mreq mr; |
827 | struct sockaddr_in sin; | |
414c2a3e | 828 | int fd, opt, type; |
ed92ac0c | 829 | |
b511c9aa | 830 | memset(&sin, 0, sizeof(sin)); |
de890a1e | 831 | if (o->proto == FIO_TYPE_TCP) |
414c2a3e JA |
832 | type = SOCK_STREAM; |
833 | else | |
834 | type = SOCK_DGRAM; | |
835 | ||
0fd666bf | 836 | fd = socket(AF_INET, type, 0); |
ed92ac0c | 837 | if (fd < 0) { |
e1161c32 | 838 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
839 | return 1; |
840 | } | |
841 | ||
842 | opt = 1; | |
26e594a5 | 843 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 844 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 845 | close(fd); |
ed92ac0c JA |
846 | return 1; |
847 | } | |
6bedbfaf | 848 | #ifdef SO_REUSEPORT |
26e594a5 | 849 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 850 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 851 | close(fd); |
6bedbfaf JA |
852 | return 1; |
853 | } | |
854 | #endif | |
ed92ac0c | 855 | |
b511c9aa SB |
856 | if (td->o.filename){ |
857 | if(o->proto != FIO_TYPE_UDP || | |
858 | !fio_netio_is_multicast(td->o.filename)) { | |
859 | log_err("fio: hostname not valid for non-multicast inbound network IO\n"); | |
860 | close(fd); | |
861 | return 1; | |
862 | } | |
863 | ||
864 | inet_aton(td->o.filename, &sin.sin_addr); | |
865 | ||
866 | mr.imr_multiaddr = sin.sin_addr; | |
b93b6a2e SB |
867 | if (o->interface) { |
868 | if (inet_aton(o->interface, &mr.imr_interface) == 0) { | |
869 | log_err("fio: interface not valid interface IP\n"); | |
870 | close(fd); | |
871 | return 1; | |
872 | } | |
873 | } else { | |
874 | mr.imr_interface.s_addr = htonl(INADDR_ANY); | |
875 | } | |
b511c9aa SB |
876 | if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mr, sizeof(mr)) < 0) { |
877 | td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); | |
878 | close(fd); | |
879 | return 1; | |
880 | } | |
881 | } | |
882 | ||
b5af8293 | 883 | nd->addr.sin_family = AF_INET; |
b511c9aa | 884 | nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); |
b5af8293 | 885 | nd->addr.sin_port = htons(port); |
ed92ac0c | 886 | |
b5af8293 | 887 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 888 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
889 | return 1; |
890 | } | |
0fd666bf JA |
891 | |
892 | nd->listenfd = fd; | |
893 | return 0; | |
894 | } | |
895 | ||
de890a1e | 896 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
897 | { |
898 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 899 | struct netio_options *o = td->eo; |
0fd666bf JA |
900 | int ret; |
901 | ||
de890a1e SL |
902 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
903 | ret = fio_netio_setup_listen_inet(td, o->port); | |
0fd666bf | 904 | else |
de890a1e | 905 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
906 | |
907 | if (ret) | |
908 | return ret; | |
de890a1e | 909 | if (o->proto == FIO_TYPE_UDP) |
0fd666bf JA |
910 | return 0; |
911 | ||
912 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 913 | td_verror(td, errno, "listen"); |
0fd666bf | 914 | nd->listenfd = -1; |
ed92ac0c JA |
915 | return 1; |
916 | } | |
917 | ||
b5af8293 | 918 | return 0; |
ed92ac0c JA |
919 | } |
920 | ||
9bec88e1 | 921 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 922 | { |
de890a1e | 923 | struct netio_options *o = td->eo; |
af52b345 | 924 | int ret; |
ed92ac0c | 925 | |
3f457bea BC |
926 | #ifdef WIN32 |
927 | WSADATA wsd; | |
928 | WSAStartup(MAKEWORD(2,2), &wsd); | |
929 | #endif | |
930 | ||
16d55aae JA |
931 | if (td_random(td)) { |
932 | log_err("fio: network IO can't be random\n"); | |
933 | return 1; | |
934 | } | |
ed92ac0c | 935 | |
de890a1e SL |
936 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
937 | log_err("fio: network IO port not valid with unix socket\n"); | |
938 | return 1; | |
939 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
940 | log_err("fio: network IO requires port for tcp or udp\n"); | |
941 | return 1; | |
942 | } | |
ed92ac0c | 943 | |
de890a1e SL |
944 | if (o->proto != FIO_TYPE_TCP) { |
945 | if (o->listen) { | |
9b986065 JA |
946 | log_err("fio: listen only valid for TCP proto IO\n"); |
947 | return 1; | |
de890a1e SL |
948 | } |
949 | if (td_rw(td)) { | |
9b986065 | 950 | log_err("fio: datagram network connections must be" |
de890a1e | 951 | " read OR write\n"); |
9b986065 JA |
952 | return 1; |
953 | } | |
954 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
955 | log_err("fio: UNIX sockets need host/filename\n"); | |
956 | return 1; | |
de890a1e SL |
957 | } |
958 | o->listen = td_read(td); | |
959 | } | |
443662ef | 960 | |
de890a1e SL |
961 | if (o->listen) |
962 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 963 | else |
de890a1e | 964 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 965 | |
7bb48f84 | 966 | return ret; |
ed92ac0c JA |
967 | } |
968 | ||
b5af8293 | 969 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 970 | { |
b5af8293 JA |
971 | struct netio_data *nd = td->io_ops->data; |
972 | ||
973 | if (nd) { | |
64b24cd8 JA |
974 | if (nd->listenfd != -1) |
975 | close(nd->listenfd); | |
976 | if (nd->pipes[0] != -1) | |
977 | close(nd->pipes[0]); | |
978 | if (nd->pipes[1] != -1) | |
979 | close(nd->pipes[1]); | |
980 | ||
b5af8293 | 981 | free(nd); |
b5af8293 JA |
982 | } |
983 | } | |
984 | ||
985 | static int fio_netio_setup(struct thread_data *td) | |
986 | { | |
7bb48f84 | 987 | struct netio_data *nd; |
7bb48f84 | 988 | |
de890a1e SL |
989 | if (!td->files_index) { |
990 | add_file(td, td->o.filename ?: "net"); | |
991 | td->o.nr_files = td->o.nr_files ?: 1; | |
992 | } | |
993 | ||
7bb48f84 JA |
994 | if (!td->io_ops->data) { |
995 | nd = malloc(sizeof(*nd));; | |
996 | ||
997 | memset(nd, 0, sizeof(*nd)); | |
998 | nd->listenfd = -1; | |
64b24cd8 | 999 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 1000 | td->io_ops->data = nd; |
7bb48f84 | 1001 | } |
b5af8293 | 1002 | |
9bec88e1 JA |
1003 | return 0; |
1004 | } | |
1005 | ||
36d80bc7 JA |
1006 | static void fio_netio_terminate(struct thread_data *td) |
1007 | { | |
1008 | kill(td->pid, SIGUSR2); | |
1009 | } | |
1010 | ||
67bf9823 | 1011 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 JA |
1012 | static int fio_netio_setup_splice(struct thread_data *td) |
1013 | { | |
1014 | struct netio_data *nd; | |
1015 | ||
1016 | fio_netio_setup(td); | |
1017 | ||
1018 | nd = td->io_ops->data; | |
1019 | if (nd) { | |
1020 | if (pipe(nd->pipes) < 0) | |
1021 | return 1; | |
1022 | ||
1023 | nd->use_splice = 1; | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | return 1; | |
1028 | } | |
1029 | ||
5921e80c | 1030 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
1031 | .name = "netsplice", |
1032 | .version = FIO_IOOPS_VERSION, | |
1033 | .prep = fio_netio_prep, | |
1034 | .queue = fio_netio_queue, | |
1035 | .setup = fio_netio_setup_splice, | |
1036 | .init = fio_netio_init, | |
1037 | .cleanup = fio_netio_cleanup, | |
1038 | .open_file = fio_netio_open_file, | |
36d80bc7 JA |
1039 | .close_file = fio_netio_close_file, |
1040 | .terminate = fio_netio_terminate, | |
de890a1e SL |
1041 | .options = options, |
1042 | .option_struct_size = sizeof(struct netio_options), | |
1043 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
36d80bc7 | 1044 | FIO_PIPEIO, |
ed92ac0c | 1045 | }; |
5921e80c | 1046 | #endif |
ed92ac0c | 1047 | |
5921e80c | 1048 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
1049 | .name = "net", |
1050 | .version = FIO_IOOPS_VERSION, | |
1051 | .prep = fio_netio_prep, | |
1052 | .queue = fio_netio_queue, | |
1053 | .setup = fio_netio_setup, | |
1054 | .init = fio_netio_init, | |
1055 | .cleanup = fio_netio_cleanup, | |
1056 | .open_file = fio_netio_open_file, | |
1057 | .close_file = fio_netio_close_file, | |
36d80bc7 | 1058 | .terminate = fio_netio_terminate, |
de890a1e SL |
1059 | .options = options, |
1060 | .option_struct_size = sizeof(struct netio_options), | |
1061 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
ad705bcb | 1062 | FIO_PIPEIO | FIO_BIT_BASED, |
9cce02e8 JA |
1063 | }; |
1064 | ||
de890a1e SL |
1065 | static int str_hostname_cb(void *data, const char *input) |
1066 | { | |
1067 | struct netio_options *o = data; | |
1068 | ||
1069 | if (o->td->o.filename) | |
1070 | free(o->td->o.filename); | |
1071 | o->td->o.filename = strdup(input); | |
1072 | return 0; | |
1073 | } | |
1074 | ||
ed92ac0c JA |
1075 | static void fio_init fio_netio_register(void) |
1076 | { | |
9cce02e8 | 1077 | register_ioengine(&ioengine_rw); |
67bf9823 | 1078 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1079 | register_ioengine(&ioengine_splice); |
5921e80c | 1080 | #endif |
ed92ac0c JA |
1081 | } |
1082 | ||
1083 | static void fio_exit fio_netio_unregister(void) | |
1084 | { | |
9cce02e8 | 1085 | unregister_ioengine(&ioengine_rw); |
67bf9823 | 1086 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1087 | unregister_ioengine(&ioengine_splice); |
5921e80c | 1088 | #endif |
ed92ac0c | 1089 | } |