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; |
d3a623de | 40 | unsigned int ttl; |
b93b6a2e | 41 | char * interface; |
de890a1e SL |
42 | }; |
43 | ||
664fb3bd JA |
44 | struct udp_close_msg { |
45 | uint32_t magic; | |
46 | uint32_t cmd; | |
47 | }; | |
48 | ||
49 | enum { | |
50 | FIO_LINK_CLOSE = 0x89, | |
b96d2430 JA |
51 | FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, |
52 | FIO_LINK_OPEN = 0x98, | |
0fd666bf JA |
53 | |
54 | FIO_TYPE_TCP = 1, | |
55 | FIO_TYPE_UDP = 2, | |
56 | FIO_TYPE_UNIX = 3, | |
664fb3bd JA |
57 | }; |
58 | ||
de890a1e SL |
59 | static int str_hostname_cb(void *data, const char *input); |
60 | static struct fio_option options[] = { | |
61 | { | |
62 | .name = "hostname", | |
e8b0e958 | 63 | .lname = "net engine hostname", |
de890a1e SL |
64 | .type = FIO_OPT_STR_STORE, |
65 | .cb = str_hostname_cb, | |
66 | .help = "Hostname for net IO engine", | |
e90a0adf JA |
67 | .category = FIO_OPT_C_ENGINE, |
68 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
69 | }, |
70 | { | |
71 | .name = "port", | |
e8b0e958 | 72 | .lname = "net engine port", |
de890a1e SL |
73 | .type = FIO_OPT_INT, |
74 | .off1 = offsetof(struct netio_options, port), | |
75 | .minval = 1, | |
76 | .maxval = 65535, | |
77 | .help = "Port to use for TCP or UDP net connections", | |
e90a0adf JA |
78 | .category = FIO_OPT_C_ENGINE, |
79 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
80 | }, |
81 | { | |
82 | .name = "protocol", | |
e8b0e958 | 83 | .lname = "net engine protocol", |
de890a1e SL |
84 | .alias = "proto", |
85 | .type = FIO_OPT_STR, | |
86 | .off1 = offsetof(struct netio_options, proto), | |
87 | .help = "Network protocol to use", | |
88 | .def = "tcp", | |
89 | .posval = { | |
90 | { .ival = "tcp", | |
91 | .oval = FIO_TYPE_TCP, | |
92 | .help = "Transmission Control Protocol", | |
93 | }, | |
94 | { .ival = "udp", | |
95 | .oval = FIO_TYPE_UDP, | |
f5cc3d0e | 96 | .help = "User Datagram Protocol", |
de890a1e SL |
97 | }, |
98 | { .ival = "unix", | |
99 | .oval = FIO_TYPE_UNIX, | |
100 | .help = "UNIX domain socket", | |
101 | }, | |
102 | }, | |
e90a0adf JA |
103 | .category = FIO_OPT_C_ENGINE, |
104 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 105 | }, |
1eafa37a | 106 | #ifdef CONFIG_TCP_NODELAY |
70a7878c SN |
107 | { |
108 | .name = "nodelay", | |
109 | .type = FIO_OPT_BOOL, | |
110 | .off1 = offsetof(struct netio_options, nodelay), | |
111 | .help = "Use TCP_NODELAY on TCP connections", | |
e90a0adf JA |
112 | .category = FIO_OPT_C_ENGINE, |
113 | .group = FIO_OPT_G_NETIO, | |
70a7878c | 114 | }, |
1eafa37a | 115 | #endif |
de890a1e SL |
116 | { |
117 | .name = "listen", | |
e8b0e958 | 118 | .lname = "net engine listen", |
de890a1e SL |
119 | .type = FIO_OPT_STR_SET, |
120 | .off1 = offsetof(struct netio_options, listen), | |
121 | .help = "Listen for incoming TCP connections", | |
e90a0adf JA |
122 | .category = FIO_OPT_C_ENGINE, |
123 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 124 | }, |
6f73a7f8 JA |
125 | { |
126 | .name = "pingpong", | |
127 | .type = FIO_OPT_STR_SET, | |
128 | .off1 = offsetof(struct netio_options, pingpong), | |
129 | .help = "Ping-pong IO requests", | |
e90a0adf JA |
130 | .category = FIO_OPT_C_ENGINE, |
131 | .group = FIO_OPT_G_NETIO, | |
6f73a7f8 | 132 | }, |
b93b6a2e SB |
133 | { |
134 | .name = "interface", | |
135 | .lname = "net engine interface", | |
136 | .type = FIO_OPT_STR_STORE, | |
137 | .off1 = offsetof(struct netio_options, interface), | |
138 | .help = "Network interface to use", | |
139 | .category = FIO_OPT_C_ENGINE, | |
140 | .group = FIO_OPT_G_NETIO, | |
141 | }, | |
d3a623de SB |
142 | { |
143 | .name = "ttl", | |
144 | .lname = "net engine multicast ttl", | |
145 | .type = FIO_OPT_INT, | |
146 | .off1 = offsetof(struct netio_options, ttl), | |
147 | .def = "1", | |
148 | .minval = 0, | |
149 | .help = "Time-to-live value for outgoing UDP multicast packets", | |
150 | .category = FIO_OPT_C_ENGINE, | |
151 | .group = FIO_OPT_G_NETIO, | |
152 | }, | |
de890a1e SL |
153 | { |
154 | .name = NULL, | |
155 | }, | |
156 | }; | |
157 | ||
371d456c JA |
158 | /* |
159 | * Return -1 for error and 'nr events' for a positive number | |
160 | * of events | |
161 | */ | |
162 | static int poll_wait(struct thread_data *td, int fd, short events) | |
163 | { | |
164 | struct pollfd pfd; | |
165 | int ret; | |
166 | ||
167 | while (!td->terminate) { | |
168 | pfd.fd = fd; | |
169 | pfd.events = events; | |
170 | ret = poll(&pfd, 1, -1); | |
171 | if (ret < 0) { | |
172 | if (errno == EINTR) | |
d5b388a5 | 173 | break; |
371d456c JA |
174 | |
175 | td_verror(td, errno, "poll"); | |
176 | return -1; | |
177 | } else if (!ret) | |
178 | continue; | |
179 | ||
180 | break; | |
181 | } | |
182 | ||
183 | if (pfd.revents & events) | |
184 | return 1; | |
371d456c JA |
185 | |
186 | return -1; | |
187 | } | |
188 | ||
b511c9aa SB |
189 | static int fio_netio_is_multicast(const char *mcaddr) |
190 | { | |
191 | in_addr_t addr = inet_network(mcaddr); | |
192 | if (addr == -1) | |
193 | return 0; | |
194 | ||
195 | if (inet_network("224.0.0.0") <= addr && | |
196 | inet_network("239.255.255.255") >= addr) | |
197 | return 1; | |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
202 | ||
ed92ac0c JA |
203 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
204 | { | |
de890a1e | 205 | struct netio_options *o = td->eo; |
ed92ac0c | 206 | |
7a6499da JA |
207 | /* |
208 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
209 | */ | |
de890a1e SL |
210 | if (o->proto == FIO_TYPE_TCP) |
211 | return 0; | |
212 | ||
213 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
214 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 215 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 216 | return 1; |
ed92ac0c | 217 | } |
3f457bea | 218 | |
f85ac25a | 219 | return 0; |
ed92ac0c JA |
220 | } |
221 | ||
67bf9823 | 222 | #ifdef CONFIG_LINUX_SPLICE |
cd963e18 | 223 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 224 | { |
9cce02e8 | 225 | int bytes = 0; |
7a6499da | 226 | |
9cce02e8 | 227 | while (len) { |
cd963e18 | 228 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
229 | |
230 | if (ret < 0) { | |
231 | if (!bytes) | |
232 | bytes = ret; | |
233 | ||
234 | break; | |
235 | } else if (!ret) | |
236 | break; | |
237 | ||
238 | bytes += ret; | |
f657a2fb | 239 | len -= ret; |
9cce02e8 JA |
240 | } |
241 | ||
242 | return bytes; | |
243 | } | |
244 | ||
245 | /* | |
cd963e18 | 246 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 247 | */ |
cd963e18 | 248 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
249 | { |
250 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 251 | |
cd963e18 | 252 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
253 | } |
254 | ||
255 | /* | |
cd963e18 | 256 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 257 | */ |
cd963e18 JA |
258 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
259 | unsigned int len) | |
9cce02e8 JA |
260 | { |
261 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
262 | |
263 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
264 | } | |
265 | ||
266 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
267 | { | |
9cce02e8 JA |
268 | struct iovec iov = { |
269 | .iov_base = io_u->xfer_buf, | |
270 | .iov_len = len, | |
271 | }; | |
272 | int bytes = 0; | |
273 | ||
274 | while (iov.iov_len) { | |
cd963e18 | 275 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
276 | |
277 | if (ret < 0) { | |
278 | if (!bytes) | |
279 | bytes = ret; | |
280 | break; | |
281 | } else if (!ret) | |
282 | break; | |
283 | ||
284 | iov.iov_len -= ret; | |
cd963e18 | 285 | iov.iov_base += ret; |
f657a2fb | 286 | bytes += ret; |
9cce02e8 JA |
287 | } |
288 | ||
289 | return bytes; | |
cd963e18 | 290 | |
9cce02e8 JA |
291 | } |
292 | ||
293 | /* | |
cd963e18 | 294 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 295 | */ |
cd963e18 JA |
296 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
297 | unsigned int len) | |
9cce02e8 JA |
298 | { |
299 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 300 | |
cd963e18 JA |
301 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
302 | } | |
9cce02e8 | 303 | |
cd963e18 JA |
304 | /* |
305 | * vmsplice() io_u to pipe | |
306 | */ | |
307 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
308 | { | |
309 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 310 | |
cd963e18 | 311 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
312 | } |
313 | ||
cd963e18 JA |
314 | /* |
315 | * splice receive - transfer socket data into a pipe using splice, then map | |
316 | * that pipe data into the io_u using vmsplice. | |
317 | */ | |
9cce02e8 JA |
318 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
319 | { | |
320 | int ret; | |
321 | ||
322 | ret = splice_in(td, io_u); | |
cd963e18 JA |
323 | if (ret > 0) |
324 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 325 | |
cd963e18 | 326 | return ret; |
9cce02e8 JA |
327 | } |
328 | ||
cd963e18 JA |
329 | /* |
330 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
331 | * then transfer that pipe to a socket using splice. | |
332 | */ | |
9cce02e8 JA |
333 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
334 | { | |
335 | int ret; | |
336 | ||
337 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
338 | if (ret > 0) |
339 | return splice_out(td, io_u, ret); | |
9cce02e8 | 340 | |
cd963e18 | 341 | return ret; |
9cce02e8 | 342 | } |
5921e80c JA |
343 | #else |
344 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
345 | { | |
af8771b9 | 346 | errno = EOPNOTSUPP; |
5921e80c JA |
347 | return -1; |
348 | } | |
349 | ||
350 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
351 | { | |
af8771b9 | 352 | errno = EOPNOTSUPP; |
5921e80c JA |
353 | return -1; |
354 | } | |
355 | #endif | |
9cce02e8 JA |
356 | |
357 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
358 | { | |
414c2a3e | 359 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 360 | struct netio_options *o = td->eo; |
6f73a7f8 | 361 | int ret, flags = 0; |
371d456c | 362 | |
664fb3bd | 363 | do { |
de890a1e | 364 | if (o->proto == FIO_TYPE_UDP) { |
62b38926 JA |
365 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
366 | ||
664fb3bd | 367 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
62b38926 JA |
368 | io_u->xfer_buflen, flags, to, |
369 | sizeof(*to)); | |
664fb3bd JA |
370 | } else { |
371 | /* | |
372 | * if we are going to write more, set MSG_MORE | |
373 | */ | |
5921e80c | 374 | #ifdef MSG_MORE |
6f73a7f8 JA |
375 | if ((td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
376 | td->o.size) && !o->pingpong) | |
664fb3bd | 377 | flags |= MSG_MORE; |
5921e80c | 378 | #endif |
664fb3bd JA |
379 | ret = send(io_u->file->fd, io_u->xfer_buf, |
380 | io_u->xfer_buflen, flags); | |
381 | } | |
382 | if (ret > 0) | |
383 | break; | |
9cce02e8 | 384 | |
664fb3bd JA |
385 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
386 | if (ret <= 0) | |
387 | break; | |
664fb3bd JA |
388 | } while (1); |
389 | ||
390 | return ret; | |
391 | } | |
392 | ||
393 | static int is_udp_close(struct io_u *io_u, int len) | |
394 | { | |
395 | struct udp_close_msg *msg; | |
396 | ||
397 | if (len != sizeof(struct udp_close_msg)) | |
398 | return 0; | |
399 | ||
400 | msg = io_u->xfer_buf; | |
b96d2430 | 401 | if (ntohl(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) |
664fb3bd JA |
402 | return 0; |
403 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
404 | return 0; | |
405 | ||
406 | return 1; | |
9cce02e8 JA |
407 | } |
408 | ||
414c2a3e | 409 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 410 | { |
414c2a3e | 411 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 412 | struct netio_options *o = td->eo; |
6f73a7f8 | 413 | int ret, flags = 0; |
664fb3bd JA |
414 | |
415 | do { | |
de890a1e | 416 | if (o->proto == FIO_TYPE_UDP) { |
b511c9aa SB |
417 | socklen_t l; |
418 | socklen_t *len = &l; | |
419 | struct sockaddr *from; | |
420 | ||
421 | if (o->listen) { | |
422 | from = (struct sockaddr *) &nd->addr; | |
423 | *len = sizeof(nd->addr); | |
424 | } else { | |
425 | from = NULL; | |
426 | len = NULL; | |
427 | } | |
664fb3bd JA |
428 | |
429 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
b511c9aa | 430 | io_u->xfer_buflen, flags, from, len); |
664fb3bd JA |
431 | if (is_udp_close(io_u, ret)) { |
432 | td->done = 1; | |
433 | return 0; | |
434 | } | |
435 | } else { | |
436 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
437 | io_u->xfer_buflen, flags); | |
438 | } | |
439 | if (ret > 0) | |
440 | break; | |
7d988f68 JA |
441 | else if (!ret && (flags & MSG_WAITALL)) |
442 | break; | |
9cce02e8 | 443 | |
664fb3bd JA |
444 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
445 | if (ret <= 0) | |
446 | break; | |
664fb3bd JA |
447 | flags |= MSG_WAITALL; |
448 | } while (1); | |
414c2a3e | 449 | |
664fb3bd | 450 | return ret; |
9cce02e8 JA |
451 | } |
452 | ||
6f73a7f8 JA |
453 | static int __fio_netio_queue(struct thread_data *td, struct io_u *io_u, |
454 | enum fio_ddir ddir) | |
9cce02e8 JA |
455 | { |
456 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 457 | struct netio_options *o = td->eo; |
9cce02e8 JA |
458 | int ret; |
459 | ||
6f73a7f8 | 460 | if (ddir == DDIR_WRITE) { |
de890a1e SL |
461 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
462 | o->proto == FIO_TYPE_UNIX) | |
9cce02e8 | 463 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
464 | else |
465 | ret = fio_netio_splice_out(td, io_u); | |
6f73a7f8 | 466 | } else if (ddir == DDIR_READ) { |
de890a1e SL |
467 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
468 | o->proto == FIO_TYPE_UNIX) | |
414c2a3e | 469 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 470 | else |
414c2a3e | 471 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 472 | } else |
7a6499da | 473 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 474 | |
cec6b55d | 475 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 476 | if (ret >= 0) { |
cec6b55d JA |
477 | io_u->resid = io_u->xfer_buflen - ret; |
478 | io_u->error = 0; | |
36167d82 | 479 | return FIO_Q_COMPLETED; |
414c2a3e JA |
480 | } else { |
481 | int err = errno; | |
482 | ||
6f73a7f8 | 483 | if (ddir == DDIR_WRITE && err == EMSGSIZE) |
414c2a3e JA |
484 | return FIO_Q_BUSY; |
485 | ||
486 | io_u->error = err; | |
487 | } | |
ed92ac0c JA |
488 | } |
489 | ||
36167d82 | 490 | if (io_u->error) |
e1161c32 | 491 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 492 | |
36167d82 | 493 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
494 | } |
495 | ||
6f73a7f8 JA |
496 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) |
497 | { | |
498 | struct netio_options *o = td->eo; | |
499 | int ret; | |
500 | ||
501 | fio_ro_check(td, io_u); | |
502 | ||
503 | ret = __fio_netio_queue(td, io_u, io_u->ddir); | |
504 | if (!o->pingpong || ret != FIO_Q_COMPLETED) | |
505 | return ret; | |
506 | ||
507 | /* | |
508 | * For ping-pong mode, receive or send reply as needed | |
509 | */ | |
510 | if (td_read(td) && io_u->ddir == DDIR_READ) | |
511 | ret = __fio_netio_queue(td, io_u, DDIR_WRITE); | |
512 | else if (td_write(td) && io_u->ddir == DDIR_WRITE) | |
513 | ret = __fio_netio_queue(td, io_u, DDIR_READ); | |
514 | ||
515 | return ret; | |
516 | } | |
517 | ||
b5af8293 | 518 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 519 | { |
b5af8293 | 520 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 521 | struct netio_options *o = td->eo; |
6264c7a8 | 522 | int type, domain; |
414c2a3e | 523 | |
de890a1e | 524 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 525 | domain = AF_INET; |
414c2a3e | 526 | type = SOCK_STREAM; |
de890a1e | 527 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 528 | domain = AF_INET; |
414c2a3e | 529 | type = SOCK_DGRAM; |
de890a1e | 530 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
531 | domain = AF_UNIX; |
532 | type = SOCK_STREAM; | |
533 | } else { | |
de890a1e | 534 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
535 | f->fd = -1; |
536 | return 1; | |
537 | } | |
ed92ac0c | 538 | |
0fd666bf | 539 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
540 | if (f->fd < 0) { |
541 | td_verror(td, errno, "socket"); | |
542 | return 1; | |
ed92ac0c JA |
543 | } |
544 | ||
1eafa37a | 545 | #ifdef CONFIG_TCP_NODELAY |
70a7878c | 546 | if (o->nodelay && o->proto == FIO_TYPE_TCP) { |
6264c7a8 JA |
547 | int optval = 1; |
548 | ||
26e594a5 | 549 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
550 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
551 | return 1; | |
552 | } | |
553 | } | |
1eafa37a | 554 | #endif |
70a7878c | 555 | |
b93b6a2e | 556 | if (o->proto == FIO_TYPE_UDP) { |
d3a623de SB |
557 | if (!fio_netio_is_multicast(td->o.filename)) |
558 | return 0; | |
559 | ||
560 | if (o->interface) { | |
b93b6a2e SB |
561 | struct in_addr interface_addr; |
562 | if (inet_aton(o->interface, &interface_addr) == 0) { | |
563 | log_err("fio: interface not valid interface IP\n"); | |
564 | close(f->fd); | |
565 | return 1; | |
566 | } | |
567 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr)) < 0) { | |
568 | td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); | |
569 | close(f->fd); | |
570 | return 1; | |
571 | } | |
572 | } | |
d3a623de SB |
573 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, &o->ttl, sizeof(o->ttl)) < 0) { |
574 | td_verror(td, errno, "setsockopt IP_MULTICAST_TTL"); | |
575 | close(f->fd); | |
576 | return 1; | |
577 | } | |
414c2a3e | 578 | return 0; |
b93b6a2e | 579 | } else if (o->proto == FIO_TYPE_TCP) { |
67bf9823 | 580 | socklen_t len = sizeof(nd->addr); |
414c2a3e | 581 | |
0fd666bf JA |
582 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
583 | td_verror(td, errno, "connect"); | |
b94cba47 | 584 | close(f->fd); |
0fd666bf JA |
585 | return 1; |
586 | } | |
587 | } else { | |
588 | struct sockaddr_un *addr = &nd->addr_un; | |
67bf9823 | 589 | socklen_t len; |
0fd666bf JA |
590 | |
591 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
592 | ||
593 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
594 | td_verror(td, errno, "connect"); | |
b94cba47 | 595 | close(f->fd); |
0fd666bf JA |
596 | return 1; |
597 | } | |
ed92ac0c JA |
598 | } |
599 | ||
600 | return 0; | |
ed92ac0c JA |
601 | } |
602 | ||
b5af8293 | 603 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 604 | { |
b5af8293 | 605 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 606 | struct netio_options *o = td->eo; |
67bf9823 | 607 | socklen_t socklen = sizeof(nd->addr); |
6264c7a8 | 608 | int state; |
5fdd124a | 609 | |
de890a1e | 610 | if (o->proto == FIO_TYPE_UDP) { |
414c2a3e JA |
611 | f->fd = nd->listenfd; |
612 | return 0; | |
613 | } | |
614 | ||
859088d3 JA |
615 | state = td->runstate; |
616 | td_set_runstate(td, TD_SETTING_UP); | |
617 | ||
6d86144d | 618 | log_info("fio: waiting for connection\n"); |
5fdd124a | 619 | |
371d456c | 620 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
859088d3 | 621 | goto err; |
0c09442b | 622 | |
371d456c JA |
623 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
624 | if (f->fd < 0) { | |
625 | td_verror(td, errno, "accept"); | |
859088d3 | 626 | goto err; |
b5af8293 | 627 | } |
5fdd124a | 628 | |
1eafa37a | 629 | #ifdef CONFIG_TCP_NODELAY |
70a7878c | 630 | if (o->nodelay && o->proto == FIO_TYPE_TCP) { |
6264c7a8 JA |
631 | int optval = 1; |
632 | ||
26e594a5 | 633 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
634 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
635 | return 1; | |
636 | } | |
637 | } | |
1eafa37a | 638 | #endif |
70a7878c | 639 | |
0cae16ff | 640 | reset_all_stats(td); |
859088d3 | 641 | td_set_runstate(td, state); |
b5af8293 | 642 | return 0; |
859088d3 JA |
643 | err: |
644 | td_set_runstate(td, state); | |
645 | return 1; | |
b5af8293 JA |
646 | } |
647 | ||
664fb3bd JA |
648 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
649 | { | |
650 | struct netio_data *nd = td->io_ops->data; | |
651 | struct udp_close_msg msg; | |
62b38926 | 652 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
664fb3bd JA |
653 | int ret; |
654 | ||
b96d2430 | 655 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
664fb3bd JA |
656 | msg.cmd = htonl(FIO_LINK_CLOSE); |
657 | ||
1f81991e | 658 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, |
664fb3bd JA |
659 | sizeof(nd->addr)); |
660 | if (ret < 0) | |
661 | td_verror(td, errno, "sendto udp link close"); | |
662 | } | |
663 | ||
664 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
665 | { | |
de890a1e | 666 | struct netio_options *o = td->eo; |
664fb3bd JA |
667 | |
668 | /* | |
669 | * If this is an UDP connection, notify the receiver that we are | |
670 | * closing down the link | |
671 | */ | |
de890a1e | 672 | if (o->proto == FIO_TYPE_UDP) |
664fb3bd JA |
673 | fio_netio_udp_close(td, f); |
674 | ||
675 | return generic_close_file(td, f); | |
676 | } | |
677 | ||
b96d2430 JA |
678 | static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) |
679 | { | |
680 | struct netio_data *nd = td->io_ops->data; | |
681 | struct udp_close_msg msg; | |
682 | struct sockaddr *to = (struct sockaddr *) &nd->addr; | |
67bf9823 | 683 | socklen_t len = sizeof(nd->addr); |
b96d2430 JA |
684 | int ret; |
685 | ||
1f81991e | 686 | ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); |
b96d2430 | 687 | if (ret < 0) { |
ee7062fd | 688 | td_verror(td, errno, "recvfrom udp link open"); |
b96d2430 JA |
689 | return ret; |
690 | } | |
691 | ||
692 | if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || | |
693 | ntohl(msg.cmd) != FIO_LINK_OPEN) { | |
694 | log_err("fio: bad udp open magic %x/%x\n", ntohl(msg.magic), | |
695 | ntohl(msg.cmd)); | |
696 | return -1; | |
697 | } | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) | |
703 | { | |
704 | struct netio_data *nd = td->io_ops->data; | |
705 | struct udp_close_msg msg; | |
706 | struct sockaddr *to = (struct sockaddr *) &nd->addr; | |
707 | int ret; | |
708 | ||
709 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); | |
710 | msg.cmd = htonl(FIO_LINK_OPEN); | |
711 | ||
1f81991e | 712 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, |
b96d2430 JA |
713 | sizeof(nd->addr)); |
714 | if (ret < 0) { | |
715 | td_verror(td, errno, "sendto udp link open"); | |
716 | return ret; | |
717 | } | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
722 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) | |
723 | { | |
724 | int ret; | |
725 | struct netio_options *o = td->eo; | |
726 | ||
727 | if (o->listen) | |
728 | ret = fio_netio_accept(td, f); | |
729 | else | |
730 | ret = fio_netio_connect(td, f); | |
731 | ||
732 | if (ret) { | |
733 | f->fd = -1; | |
734 | return ret; | |
735 | } | |
736 | ||
737 | if (o->proto == FIO_TYPE_UDP) { | |
738 | if (td_write(td)) | |
739 | ret = fio_netio_udp_send_open(td, f); | |
740 | else { | |
741 | int state; | |
742 | ||
743 | state = td->runstate; | |
744 | td_set_runstate(td, TD_SETTING_UP); | |
745 | ret = fio_netio_udp_recv_open(td, f); | |
746 | td_set_runstate(td, state); | |
747 | } | |
748 | } | |
749 | ||
750 | if (ret) | |
751 | fio_netio_close_file(td, f); | |
752 | ||
753 | return ret; | |
754 | } | |
755 | ||
0fd666bf JA |
756 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
757 | const char *host, unsigned short port) | |
b5af8293 JA |
758 | { |
759 | struct netio_data *nd = td->io_ops->data; | |
760 | ||
166dce4b JA |
761 | if (!host) { |
762 | log_err("fio: connect with no host to connect to.\n"); | |
763 | if (td_read(td)) | |
764 | log_err("fio: did you forget to set 'listen'?\n"); | |
765 | ||
766 | td_verror(td, EINVAL, "no hostname= set"); | |
767 | return 1; | |
768 | } | |
769 | ||
b5af8293 JA |
770 | nd->addr.sin_family = AF_INET; |
771 | nd->addr.sin_port = htons(port); | |
772 | ||
773 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
774 | struct hostent *hent; | |
775 | ||
776 | hent = gethostbyname(host); | |
777 | if (!hent) { | |
778 | td_verror(td, errno, "gethostbyname"); | |
779 | return 1; | |
5fdd124a | 780 | } |
b5af8293 JA |
781 | |
782 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
783 | } |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
0fd666bf JA |
788 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
789 | const char *path) | |
790 | { | |
791 | struct netio_data *nd = td->io_ops->data; | |
792 | struct sockaddr_un *soun = &nd->addr_un; | |
793 | ||
794 | soun->sun_family = AF_UNIX; | |
795 | strcpy(soun->sun_path, path); | |
796 | return 0; | |
797 | } | |
798 | ||
de890a1e | 799 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 800 | { |
de890a1e | 801 | struct netio_options *o = td->eo; |
0fd666bf | 802 | |
de890a1e SL |
803 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
804 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); | |
0fd666bf | 805 | else |
de890a1e | 806 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
807 | } |
808 | ||
809 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
810 | { | |
811 | struct netio_data *nd = td->io_ops->data; | |
812 | struct sockaddr_un *addr = &nd->addr_un; | |
813 | mode_t mode; | |
814 | int len, fd; | |
815 | ||
816 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
817 | if (fd < 0) { | |
818 | log_err("fio: socket: %s\n", strerror(errno)); | |
819 | return -1; | |
820 | } | |
821 | ||
822 | mode = umask(000); | |
823 | ||
824 | memset(addr, 0, sizeof(*addr)); | |
825 | addr->sun_family = AF_UNIX; | |
826 | strcpy(addr->sun_path, path); | |
827 | unlink(path); | |
828 | ||
829 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
830 | ||
831 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
832 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 833 | close(fd); |
0fd666bf JA |
834 | return -1; |
835 | } | |
836 | ||
837 | umask(mode); | |
838 | nd->listenfd = fd; | |
839 | return 0; | |
840 | } | |
841 | ||
842 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 843 | { |
b5af8293 | 844 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 845 | struct netio_options *o = td->eo; |
b511c9aa SB |
846 | struct ip_mreq mr; |
847 | struct sockaddr_in sin; | |
414c2a3e | 848 | int fd, opt, type; |
ed92ac0c | 849 | |
b511c9aa | 850 | memset(&sin, 0, sizeof(sin)); |
de890a1e | 851 | if (o->proto == FIO_TYPE_TCP) |
414c2a3e JA |
852 | type = SOCK_STREAM; |
853 | else | |
854 | type = SOCK_DGRAM; | |
855 | ||
0fd666bf | 856 | fd = socket(AF_INET, type, 0); |
ed92ac0c | 857 | if (fd < 0) { |
e1161c32 | 858 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
859 | return 1; |
860 | } | |
861 | ||
862 | opt = 1; | |
26e594a5 | 863 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 864 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 865 | close(fd); |
ed92ac0c JA |
866 | return 1; |
867 | } | |
6bedbfaf | 868 | #ifdef SO_REUSEPORT |
26e594a5 | 869 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 870 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 871 | close(fd); |
6bedbfaf JA |
872 | return 1; |
873 | } | |
874 | #endif | |
ed92ac0c | 875 | |
b511c9aa SB |
876 | if (td->o.filename){ |
877 | if(o->proto != FIO_TYPE_UDP || | |
878 | !fio_netio_is_multicast(td->o.filename)) { | |
879 | log_err("fio: hostname not valid for non-multicast inbound network IO\n"); | |
880 | close(fd); | |
881 | return 1; | |
882 | } | |
883 | ||
884 | inet_aton(td->o.filename, &sin.sin_addr); | |
885 | ||
886 | mr.imr_multiaddr = sin.sin_addr; | |
b93b6a2e SB |
887 | if (o->interface) { |
888 | if (inet_aton(o->interface, &mr.imr_interface) == 0) { | |
889 | log_err("fio: interface not valid interface IP\n"); | |
890 | close(fd); | |
891 | return 1; | |
892 | } | |
893 | } else { | |
894 | mr.imr_interface.s_addr = htonl(INADDR_ANY); | |
895 | } | |
b511c9aa SB |
896 | if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mr, sizeof(mr)) < 0) { |
897 | td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); | |
898 | close(fd); | |
899 | return 1; | |
900 | } | |
901 | } | |
902 | ||
b5af8293 | 903 | nd->addr.sin_family = AF_INET; |
b511c9aa | 904 | nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); |
b5af8293 | 905 | nd->addr.sin_port = htons(port); |
ed92ac0c | 906 | |
b5af8293 | 907 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 908 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
909 | return 1; |
910 | } | |
0fd666bf JA |
911 | |
912 | nd->listenfd = fd; | |
913 | return 0; | |
914 | } | |
915 | ||
de890a1e | 916 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
917 | { |
918 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 919 | struct netio_options *o = td->eo; |
0fd666bf JA |
920 | int ret; |
921 | ||
de890a1e SL |
922 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
923 | ret = fio_netio_setup_listen_inet(td, o->port); | |
0fd666bf | 924 | else |
de890a1e | 925 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
926 | |
927 | if (ret) | |
928 | return ret; | |
de890a1e | 929 | if (o->proto == FIO_TYPE_UDP) |
0fd666bf JA |
930 | return 0; |
931 | ||
932 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 933 | td_verror(td, errno, "listen"); |
0fd666bf | 934 | nd->listenfd = -1; |
ed92ac0c JA |
935 | return 1; |
936 | } | |
937 | ||
b5af8293 | 938 | return 0; |
ed92ac0c JA |
939 | } |
940 | ||
9bec88e1 | 941 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 942 | { |
de890a1e | 943 | struct netio_options *o = td->eo; |
af52b345 | 944 | int ret; |
ed92ac0c | 945 | |
3f457bea BC |
946 | #ifdef WIN32 |
947 | WSADATA wsd; | |
948 | WSAStartup(MAKEWORD(2,2), &wsd); | |
949 | #endif | |
950 | ||
16d55aae JA |
951 | if (td_random(td)) { |
952 | log_err("fio: network IO can't be random\n"); | |
953 | return 1; | |
954 | } | |
ed92ac0c | 955 | |
de890a1e SL |
956 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
957 | log_err("fio: network IO port not valid with unix socket\n"); | |
958 | return 1; | |
959 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
960 | log_err("fio: network IO requires port for tcp or udp\n"); | |
961 | return 1; | |
962 | } | |
ed92ac0c | 963 | |
de890a1e SL |
964 | if (o->proto != FIO_TYPE_TCP) { |
965 | if (o->listen) { | |
9b986065 JA |
966 | log_err("fio: listen only valid for TCP proto IO\n"); |
967 | return 1; | |
de890a1e SL |
968 | } |
969 | if (td_rw(td)) { | |
9b986065 | 970 | log_err("fio: datagram network connections must be" |
de890a1e | 971 | " read OR write\n"); |
9b986065 JA |
972 | return 1; |
973 | } | |
974 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
975 | log_err("fio: UNIX sockets need host/filename\n"); | |
976 | return 1; | |
de890a1e SL |
977 | } |
978 | o->listen = td_read(td); | |
979 | } | |
443662ef | 980 | |
de890a1e SL |
981 | if (o->listen) |
982 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 983 | else |
de890a1e | 984 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 985 | |
7bb48f84 | 986 | return ret; |
ed92ac0c JA |
987 | } |
988 | ||
b5af8293 | 989 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 990 | { |
b5af8293 JA |
991 | struct netio_data *nd = td->io_ops->data; |
992 | ||
993 | if (nd) { | |
64b24cd8 JA |
994 | if (nd->listenfd != -1) |
995 | close(nd->listenfd); | |
996 | if (nd->pipes[0] != -1) | |
997 | close(nd->pipes[0]); | |
998 | if (nd->pipes[1] != -1) | |
999 | close(nd->pipes[1]); | |
1000 | ||
b5af8293 | 1001 | free(nd); |
b5af8293 JA |
1002 | } |
1003 | } | |
1004 | ||
1005 | static int fio_netio_setup(struct thread_data *td) | |
1006 | { | |
7bb48f84 | 1007 | struct netio_data *nd; |
7bb48f84 | 1008 | |
de890a1e SL |
1009 | if (!td->files_index) { |
1010 | add_file(td, td->o.filename ?: "net"); | |
1011 | td->o.nr_files = td->o.nr_files ?: 1; | |
1012 | } | |
1013 | ||
7bb48f84 JA |
1014 | if (!td->io_ops->data) { |
1015 | nd = malloc(sizeof(*nd));; | |
1016 | ||
1017 | memset(nd, 0, sizeof(*nd)); | |
1018 | nd->listenfd = -1; | |
64b24cd8 | 1019 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 1020 | td->io_ops->data = nd; |
7bb48f84 | 1021 | } |
b5af8293 | 1022 | |
9bec88e1 JA |
1023 | return 0; |
1024 | } | |
1025 | ||
36d80bc7 JA |
1026 | static void fio_netio_terminate(struct thread_data *td) |
1027 | { | |
1028 | kill(td->pid, SIGUSR2); | |
1029 | } | |
1030 | ||
67bf9823 | 1031 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 JA |
1032 | static int fio_netio_setup_splice(struct thread_data *td) |
1033 | { | |
1034 | struct netio_data *nd; | |
1035 | ||
1036 | fio_netio_setup(td); | |
1037 | ||
1038 | nd = td->io_ops->data; | |
1039 | if (nd) { | |
1040 | if (pipe(nd->pipes) < 0) | |
1041 | return 1; | |
1042 | ||
1043 | nd->use_splice = 1; | |
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | return 1; | |
1048 | } | |
1049 | ||
5921e80c | 1050 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
1051 | .name = "netsplice", |
1052 | .version = FIO_IOOPS_VERSION, | |
1053 | .prep = fio_netio_prep, | |
1054 | .queue = fio_netio_queue, | |
1055 | .setup = fio_netio_setup_splice, | |
1056 | .init = fio_netio_init, | |
1057 | .cleanup = fio_netio_cleanup, | |
1058 | .open_file = fio_netio_open_file, | |
36d80bc7 JA |
1059 | .close_file = fio_netio_close_file, |
1060 | .terminate = fio_netio_terminate, | |
de890a1e SL |
1061 | .options = options, |
1062 | .option_struct_size = sizeof(struct netio_options), | |
1063 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
36d80bc7 | 1064 | FIO_PIPEIO, |
ed92ac0c | 1065 | }; |
5921e80c | 1066 | #endif |
ed92ac0c | 1067 | |
5921e80c | 1068 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
1069 | .name = "net", |
1070 | .version = FIO_IOOPS_VERSION, | |
1071 | .prep = fio_netio_prep, | |
1072 | .queue = fio_netio_queue, | |
1073 | .setup = fio_netio_setup, | |
1074 | .init = fio_netio_init, | |
1075 | .cleanup = fio_netio_cleanup, | |
1076 | .open_file = fio_netio_open_file, | |
1077 | .close_file = fio_netio_close_file, | |
36d80bc7 | 1078 | .terminate = fio_netio_terminate, |
de890a1e SL |
1079 | .options = options, |
1080 | .option_struct_size = sizeof(struct netio_options), | |
1081 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
ad705bcb | 1082 | FIO_PIPEIO | FIO_BIT_BASED, |
9cce02e8 JA |
1083 | }; |
1084 | ||
de890a1e SL |
1085 | static int str_hostname_cb(void *data, const char *input) |
1086 | { | |
1087 | struct netio_options *o = data; | |
1088 | ||
1089 | if (o->td->o.filename) | |
1090 | free(o->td->o.filename); | |
1091 | o->td->o.filename = strdup(input); | |
1092 | return 0; | |
1093 | } | |
1094 | ||
ed92ac0c JA |
1095 | static void fio_init fio_netio_register(void) |
1096 | { | |
9cce02e8 | 1097 | register_ioengine(&ioengine_rw); |
67bf9823 | 1098 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1099 | register_ioengine(&ioengine_splice); |
5921e80c | 1100 | #endif |
ed92ac0c JA |
1101 | } |
1102 | ||
1103 | static void fio_exit fio_netio_unregister(void) | |
1104 | { | |
9cce02e8 | 1105 | unregister_ioengine(&ioengine_rw); |
67bf9823 | 1106 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1107 | unregister_ioengine(&ioengine_splice); |
5921e80c | 1108 | #endif |
ed92ac0c | 1109 | } |