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 JA |
16 | #include <sys/types.h> |
17 | #include <sys/socket.h> | |
ed92ac0c JA |
18 | |
19 | #include "../fio.h" | |
ed92ac0c | 20 | |
b5af8293 JA |
21 | struct netio_data { |
22 | int listenfd; | |
23 | int send_to_net; | |
9cce02e8 | 24 | int use_splice; |
414c2a3e | 25 | int net_protocol; |
9cce02e8 | 26 | int pipes[2]; |
b5af8293 JA |
27 | char host[64]; |
28 | struct sockaddr_in addr; | |
29 | }; | |
ed92ac0c JA |
30 | |
31 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) | |
32 | { | |
b5af8293 | 33 | struct netio_data *nd = td->io_ops->data; |
ed92ac0c | 34 | |
7a6499da JA |
35 | /* |
36 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
37 | */ | |
b5af8293 JA |
38 | if ((nd->send_to_net && io_u->ddir == DDIR_READ) || |
39 | (!nd->send_to_net && io_u->ddir == DDIR_WRITE)) { | |
e1161c32 | 40 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 41 | return 1; |
ed92ac0c | 42 | } |
7a6499da | 43 | |
f85ac25a | 44 | return 0; |
ed92ac0c JA |
45 | } |
46 | ||
5921e80c | 47 | #ifdef FIO_HAVE_SPLICE |
cd963e18 | 48 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 49 | { |
9cce02e8 | 50 | int bytes = 0; |
7a6499da | 51 | |
9cce02e8 | 52 | while (len) { |
cd963e18 | 53 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
54 | |
55 | if (ret < 0) { | |
56 | if (!bytes) | |
57 | bytes = ret; | |
58 | ||
59 | break; | |
60 | } else if (!ret) | |
61 | break; | |
62 | ||
63 | bytes += ret; | |
f657a2fb | 64 | len -= ret; |
9cce02e8 JA |
65 | } |
66 | ||
67 | return bytes; | |
68 | } | |
69 | ||
70 | /* | |
cd963e18 | 71 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 72 | */ |
cd963e18 | 73 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
74 | { |
75 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 76 | |
cd963e18 | 77 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
78 | } |
79 | ||
80 | /* | |
cd963e18 | 81 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 82 | */ |
cd963e18 JA |
83 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
84 | unsigned int len) | |
9cce02e8 JA |
85 | { |
86 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
87 | |
88 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
89 | } | |
90 | ||
91 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
92 | { | |
9cce02e8 JA |
93 | struct iovec iov = { |
94 | .iov_base = io_u->xfer_buf, | |
95 | .iov_len = len, | |
96 | }; | |
97 | int bytes = 0; | |
98 | ||
99 | while (iov.iov_len) { | |
cd963e18 | 100 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
101 | |
102 | if (ret < 0) { | |
103 | if (!bytes) | |
104 | bytes = ret; | |
105 | break; | |
106 | } else if (!ret) | |
107 | break; | |
108 | ||
109 | iov.iov_len -= ret; | |
cd963e18 | 110 | iov.iov_base += ret; |
f657a2fb | 111 | bytes += ret; |
9cce02e8 JA |
112 | } |
113 | ||
114 | return bytes; | |
cd963e18 | 115 | |
9cce02e8 JA |
116 | } |
117 | ||
118 | /* | |
cd963e18 | 119 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 120 | */ |
cd963e18 JA |
121 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
122 | unsigned int len) | |
9cce02e8 JA |
123 | { |
124 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 125 | |
cd963e18 JA |
126 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
127 | } | |
9cce02e8 | 128 | |
cd963e18 JA |
129 | /* |
130 | * vmsplice() io_u to pipe | |
131 | */ | |
132 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
133 | { | |
134 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 135 | |
cd963e18 | 136 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
137 | } |
138 | ||
cd963e18 JA |
139 | /* |
140 | * splice receive - transfer socket data into a pipe using splice, then map | |
141 | * that pipe data into the io_u using vmsplice. | |
142 | */ | |
9cce02e8 JA |
143 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
144 | { | |
145 | int ret; | |
146 | ||
147 | ret = splice_in(td, io_u); | |
cd963e18 JA |
148 | if (ret > 0) |
149 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 150 | |
cd963e18 | 151 | return ret; |
9cce02e8 JA |
152 | } |
153 | ||
cd963e18 JA |
154 | /* |
155 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
156 | * then transfer that pipe to a socket using splice. | |
157 | */ | |
9cce02e8 JA |
158 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
159 | { | |
160 | int ret; | |
161 | ||
162 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
163 | if (ret > 0) |
164 | return splice_out(td, io_u, ret); | |
9cce02e8 | 165 | |
cd963e18 | 166 | return ret; |
9cce02e8 | 167 | } |
5921e80c JA |
168 | #else |
169 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
170 | { | |
af8771b9 | 171 | errno = EOPNOTSUPP; |
5921e80c JA |
172 | return -1; |
173 | } | |
174 | ||
175 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
176 | { | |
af8771b9 | 177 | errno = EOPNOTSUPP; |
5921e80c JA |
178 | return -1; |
179 | } | |
180 | #endif | |
9cce02e8 JA |
181 | |
182 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
183 | { | |
414c2a3e | 184 | struct netio_data *nd = td->io_ops->data; |
9cce02e8 JA |
185 | int flags = 0; |
186 | ||
187 | /* | |
188 | * if we are going to write more, set MSG_MORE | |
189 | */ | |
5921e80c | 190 | #ifdef MSG_MORE |
9cce02e8 JA |
191 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < td->o.size) |
192 | flags = MSG_MORE; | |
5921e80c | 193 | #endif |
9cce02e8 | 194 | |
414c2a3e JA |
195 | if (nd->net_protocol == IPPROTO_UDP) { |
196 | return sendto(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
197 | 0, &nd->addr, sizeof(nd->addr)); | |
198 | } else { | |
199 | return send(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
200 | flags); | |
201 | } | |
9cce02e8 JA |
202 | } |
203 | ||
414c2a3e | 204 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 205 | { |
414c2a3e | 206 | struct netio_data *nd = td->io_ops->data; |
9cce02e8 JA |
207 | int flags = MSG_WAITALL; |
208 | ||
414c2a3e JA |
209 | if (nd->net_protocol == IPPROTO_UDP) { |
210 | socklen_t len = sizeof(nd->addr); | |
211 | ||
212 | return recvfrom(io_u->file->fd, io_u->xfer_buf, | |
213 | io_u->xfer_buflen, 0, &nd->addr, &len); | |
214 | } else { | |
215 | return recv(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
216 | flags); | |
217 | } | |
9cce02e8 JA |
218 | } |
219 | ||
220 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) | |
221 | { | |
222 | struct netio_data *nd = td->io_ops->data; | |
223 | int ret; | |
224 | ||
7101d9c2 JA |
225 | fio_ro_check(td, io_u); |
226 | ||
9cce02e8 | 227 | if (io_u->ddir == DDIR_WRITE) { |
414c2a3e | 228 | if (!nd->use_splice || nd->net_protocol == IPPROTO_UDP) |
9cce02e8 | 229 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
230 | else |
231 | ret = fio_netio_splice_out(td, io_u); | |
d4f12dd0 | 232 | } else if (io_u->ddir == DDIR_READ) { |
414c2a3e JA |
233 | if (!nd->use_splice || nd->net_protocol == IPPROTO_UDP) |
234 | ret = fio_netio_recv(td, io_u); | |
9cce02e8 | 235 | else |
414c2a3e | 236 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 237 | } else |
7a6499da | 238 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 239 | |
cec6b55d | 240 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 241 | if (ret >= 0) { |
cec6b55d JA |
242 | io_u->resid = io_u->xfer_buflen - ret; |
243 | io_u->error = 0; | |
36167d82 | 244 | return FIO_Q_COMPLETED; |
414c2a3e JA |
245 | } else { |
246 | int err = errno; | |
247 | ||
248 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) | |
249 | return FIO_Q_BUSY; | |
250 | ||
251 | io_u->error = err; | |
252 | } | |
ed92ac0c JA |
253 | } |
254 | ||
36167d82 | 255 | if (io_u->error) |
e1161c32 | 256 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 257 | |
36167d82 | 258 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
259 | } |
260 | ||
b5af8293 | 261 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 262 | { |
b5af8293 | 263 | struct netio_data *nd = td->io_ops->data; |
414c2a3e JA |
264 | int type; |
265 | ||
266 | if (nd->net_protocol == IPPROTO_TCP) | |
267 | type = SOCK_STREAM; | |
268 | else | |
269 | type = SOCK_DGRAM; | |
ed92ac0c | 270 | |
414c2a3e | 271 | f->fd = socket(AF_INET, type, nd->net_protocol); |
b5af8293 JA |
272 | if (f->fd < 0) { |
273 | td_verror(td, errno, "socket"); | |
274 | return 1; | |
ed92ac0c JA |
275 | } |
276 | ||
414c2a3e JA |
277 | if (nd->net_protocol == IPPROTO_UDP) |
278 | return 0; | |
279 | ||
b5af8293 JA |
280 | if (connect(f->fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
281 | td_verror(td, errno, "connect"); | |
282 | return 1; | |
ed92ac0c JA |
283 | } |
284 | ||
285 | return 0; | |
ed92ac0c JA |
286 | } |
287 | ||
b5af8293 | 288 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 289 | { |
b5af8293 JA |
290 | struct netio_data *nd = td->io_ops->data; |
291 | socklen_t socklen = sizeof(nd->addr); | |
5fdd124a | 292 | struct pollfd pfd; |
b5af8293 | 293 | int ret; |
5fdd124a | 294 | |
414c2a3e JA |
295 | if (nd->net_protocol == IPPROTO_UDP) { |
296 | f->fd = nd->listenfd; | |
297 | return 0; | |
298 | } | |
299 | ||
6d86144d | 300 | log_info("fio: waiting for connection\n"); |
5fdd124a JA |
301 | |
302 | /* | |
303 | * Accept loop. poll for incoming events, accept them. Repeat until we | |
304 | * have all connections. | |
305 | */ | |
b5af8293 JA |
306 | while (!td->terminate) { |
307 | pfd.fd = nd->listenfd; | |
5fdd124a JA |
308 | pfd.events = POLLIN; |
309 | ||
310 | ret = poll(&pfd, 1, -1); | |
311 | if (ret < 0) { | |
312 | if (errno == EINTR) | |
313 | continue; | |
314 | ||
e1161c32 | 315 | td_verror(td, errno, "poll"); |
5fdd124a JA |
316 | break; |
317 | } else if (!ret) | |
318 | continue; | |
319 | ||
0c09442b JA |
320 | /* |
321 | * should be impossible | |
322 | */ | |
323 | if (!(pfd.revents & POLLIN)) | |
324 | continue; | |
325 | ||
b5af8293 JA |
326 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
327 | if (f->fd < 0) { | |
328 | td_verror(td, errno, "accept"); | |
329 | return 1; | |
330 | } | |
331 | break; | |
332 | } | |
5fdd124a | 333 | |
b5af8293 JA |
334 | return 0; |
335 | } | |
336 | ||
b5af8293 JA |
337 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
338 | { | |
339 | if (td_read(td)) | |
340 | return fio_netio_accept(td, f); | |
341 | else | |
342 | return fio_netio_connect(td, f); | |
343 | } | |
344 | ||
345 | static int fio_netio_setup_connect(struct thread_data *td, const char *host, | |
346 | unsigned short port) | |
347 | { | |
348 | struct netio_data *nd = td->io_ops->data; | |
349 | ||
350 | nd->addr.sin_family = AF_INET; | |
351 | nd->addr.sin_port = htons(port); | |
352 | ||
353 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
354 | struct hostent *hent; | |
355 | ||
356 | hent = gethostbyname(host); | |
357 | if (!hent) { | |
358 | td_verror(td, errno, "gethostbyname"); | |
359 | return 1; | |
5fdd124a | 360 | } |
b5af8293 JA |
361 | |
362 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
363 | } |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
b5af8293 | 368 | static int fio_netio_setup_listen(struct thread_data *td, short port) |
ed92ac0c | 369 | { |
b5af8293 | 370 | struct netio_data *nd = td->io_ops->data; |
414c2a3e | 371 | int fd, opt, type; |
ed92ac0c | 372 | |
414c2a3e JA |
373 | if (nd->net_protocol == IPPROTO_TCP) |
374 | type = SOCK_STREAM; | |
375 | else | |
376 | type = SOCK_DGRAM; | |
377 | ||
378 | fd = socket(AF_INET, type, nd->net_protocol); | |
ed92ac0c | 379 | if (fd < 0) { |
e1161c32 | 380 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
381 | return 1; |
382 | } | |
383 | ||
384 | opt = 1; | |
385 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 386 | td_verror(td, errno, "setsockopt"); |
ed92ac0c JA |
387 | return 1; |
388 | } | |
6bedbfaf JA |
389 | #ifdef SO_REUSEPORT |
390 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 391 | td_verror(td, errno, "setsockopt"); |
6bedbfaf JA |
392 | return 1; |
393 | } | |
394 | #endif | |
ed92ac0c | 395 | |
b5af8293 JA |
396 | nd->addr.sin_family = AF_INET; |
397 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); | |
398 | nd->addr.sin_port = htons(port); | |
ed92ac0c | 399 | |
b5af8293 | 400 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 401 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
402 | return 1; |
403 | } | |
414c2a3e | 404 | if (nd->net_protocol == IPPROTO_TCP && listen(fd, 1) < 0) { |
e1161c32 | 405 | td_verror(td, errno, "listen"); |
ed92ac0c JA |
406 | return 1; |
407 | } | |
408 | ||
b5af8293 JA |
409 | nd->listenfd = fd; |
410 | return 0; | |
ed92ac0c JA |
411 | } |
412 | ||
9bec88e1 | 413 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 414 | { |
b5af8293 | 415 | struct netio_data *nd = td->io_ops->data; |
443662ef | 416 | unsigned int port; |
b5af8293 | 417 | char host[64], buf[128]; |
414c2a3e | 418 | char *sep, *portp, *modep; |
af52b345 | 419 | int ret; |
ed92ac0c | 420 | |
413dd459 | 421 | if (td_rw(td)) { |
ed92ac0c JA |
422 | log_err("fio: network connections must be read OR write\n"); |
423 | return 1; | |
424 | } | |
16d55aae JA |
425 | if (td_random(td)) { |
426 | log_err("fio: network IO can't be random\n"); | |
427 | return 1; | |
428 | } | |
ed92ac0c | 429 | |
2dc1bbeb | 430 | strcpy(buf, td->o.filename); |
ed92ac0c | 431 | |
9f9214f2 | 432 | sep = strchr(buf, '/'); |
443662ef JA |
433 | if (!sep) |
434 | goto bad_host; | |
ed92ac0c JA |
435 | |
436 | *sep = '\0'; | |
437 | sep++; | |
438 | strcpy(host, buf); | |
443662ef JA |
439 | if (!strlen(host)) |
440 | goto bad_host; | |
441 | ||
414c2a3e JA |
442 | modep = NULL; |
443 | portp = sep; | |
444 | sep = strchr(portp, '/'); | |
445 | if (sep) { | |
446 | *sep = '\0'; | |
447 | modep = sep + 1; | |
448 | } | |
449 | ||
450 | port = strtol(portp, NULL, 10); | |
443662ef JA |
451 | if (!port || port > 65535) |
452 | goto bad_host; | |
ed92ac0c | 453 | |
414c2a3e | 454 | if (modep) { |
3f8fc5ad JA |
455 | if (!strncmp("tcp", modep, strlen(modep)) || |
456 | !strncmp("TCP", modep, strlen(modep))) | |
414c2a3e | 457 | nd->net_protocol = IPPROTO_TCP; |
3f8fc5ad JA |
458 | else if (!strncmp("udp", modep, strlen(modep)) || |
459 | !strncmp("UDP", modep, strlen(modep))) | |
414c2a3e JA |
460 | nd->net_protocol = IPPROTO_UDP; |
461 | else | |
462 | goto bad_host; | |
463 | } else | |
464 | nd->net_protocol = IPPROTO_TCP; | |
465 | ||
413dd459 | 466 | if (td_read(td)) { |
b5af8293 | 467 | nd->send_to_net = 0; |
ed92ac0c JA |
468 | ret = fio_netio_setup_listen(td, port); |
469 | } else { | |
b5af8293 | 470 | nd->send_to_net = 1; |
ed92ac0c JA |
471 | ret = fio_netio_setup_connect(td, host, port); |
472 | } | |
473 | ||
7bb48f84 | 474 | return ret; |
443662ef | 475 | bad_host: |
414c2a3e | 476 | log_err("fio: bad network host/port/protocol: %s\n", td->o.filename); |
443662ef | 477 | return 1; |
ed92ac0c JA |
478 | } |
479 | ||
b5af8293 | 480 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 481 | { |
b5af8293 JA |
482 | struct netio_data *nd = td->io_ops->data; |
483 | ||
484 | if (nd) { | |
64b24cd8 JA |
485 | if (nd->listenfd != -1) |
486 | close(nd->listenfd); | |
487 | if (nd->pipes[0] != -1) | |
488 | close(nd->pipes[0]); | |
489 | if (nd->pipes[1] != -1) | |
490 | close(nd->pipes[1]); | |
491 | ||
b5af8293 | 492 | free(nd); |
b5af8293 JA |
493 | } |
494 | } | |
495 | ||
496 | static int fio_netio_setup(struct thread_data *td) | |
497 | { | |
7bb48f84 | 498 | struct netio_data *nd; |
7bb48f84 JA |
499 | |
500 | if (!td->io_ops->data) { | |
501 | nd = malloc(sizeof(*nd));; | |
502 | ||
503 | memset(nd, 0, sizeof(*nd)); | |
504 | nd->listenfd = -1; | |
64b24cd8 | 505 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 506 | td->io_ops->data = nd; |
7bb48f84 | 507 | } |
b5af8293 | 508 | |
9bec88e1 JA |
509 | return 0; |
510 | } | |
511 | ||
5921e80c | 512 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 JA |
513 | static int fio_netio_setup_splice(struct thread_data *td) |
514 | { | |
515 | struct netio_data *nd; | |
516 | ||
517 | fio_netio_setup(td); | |
518 | ||
519 | nd = td->io_ops->data; | |
520 | if (nd) { | |
521 | if (pipe(nd->pipes) < 0) | |
522 | return 1; | |
523 | ||
524 | nd->use_splice = 1; | |
525 | return 0; | |
526 | } | |
527 | ||
528 | return 1; | |
529 | } | |
530 | ||
5921e80c JA |
531 | static struct ioengine_ops ioengine_splice = { |
532 | .name = "netsplice", | |
ed92ac0c | 533 | .version = FIO_IOOPS_VERSION, |
ed92ac0c JA |
534 | .prep = fio_netio_prep, |
535 | .queue = fio_netio_queue, | |
5921e80c | 536 | .setup = fio_netio_setup_splice, |
9bec88e1 | 537 | .init = fio_netio_init, |
b5af8293 JA |
538 | .cleanup = fio_netio_cleanup, |
539 | .open_file = fio_netio_open_file, | |
540 | .close_file = generic_close_file, | |
ad830ed7 JA |
541 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
542 | FIO_SIGQUIT, | |
ed92ac0c | 543 | }; |
5921e80c | 544 | #endif |
ed92ac0c | 545 | |
5921e80c JA |
546 | static struct ioengine_ops ioengine_rw = { |
547 | .name = "net", | |
9cce02e8 JA |
548 | .version = FIO_IOOPS_VERSION, |
549 | .prep = fio_netio_prep, | |
550 | .queue = fio_netio_queue, | |
5921e80c | 551 | .setup = fio_netio_setup, |
9cce02e8 JA |
552 | .init = fio_netio_init, |
553 | .cleanup = fio_netio_cleanup, | |
554 | .open_file = fio_netio_open_file, | |
555 | .close_file = generic_close_file, | |
ad830ed7 JA |
556 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
557 | FIO_SIGQUIT, | |
9cce02e8 JA |
558 | }; |
559 | ||
ed92ac0c JA |
560 | static void fio_init fio_netio_register(void) |
561 | { | |
9cce02e8 | 562 | register_ioengine(&ioengine_rw); |
5921e80c | 563 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 564 | register_ioengine(&ioengine_splice); |
5921e80c | 565 | #endif |
ed92ac0c JA |
566 | } |
567 | ||
568 | static void fio_exit fio_netio_unregister(void) | |
569 | { | |
9cce02e8 | 570 | unregister_ioengine(&ioengine_rw); |
5921e80c | 571 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 572 | unregister_ioengine(&ioengine_splice); |
5921e80c | 573 | #endif |
ed92ac0c | 574 | } |