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; |
49ccb8c1 | 30 | struct sockaddr_in6 addr6; |
0fd666bf | 31 | struct sockaddr_un addr_un; |
b5af8293 | 32 | }; |
ed92ac0c | 33 | |
de890a1e SL |
34 | struct netio_options { |
35 | struct thread_data *td; | |
36 | unsigned int port; | |
37 | unsigned int proto; | |
38 | unsigned int listen; | |
6f73a7f8 | 39 | unsigned int pingpong; |
70a7878c | 40 | unsigned int nodelay; |
d3a623de | 41 | unsigned int ttl; |
f16b7405 | 42 | char *intfc; |
de890a1e SL |
43 | }; |
44 | ||
664fb3bd JA |
45 | struct udp_close_msg { |
46 | uint32_t magic; | |
47 | uint32_t cmd; | |
48 | }; | |
49 | ||
50 | enum { | |
51 | FIO_LINK_CLOSE = 0x89, | |
b96d2430 JA |
52 | FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, |
53 | FIO_LINK_OPEN = 0x98, | |
0fd666bf JA |
54 | |
55 | FIO_TYPE_TCP = 1, | |
56 | FIO_TYPE_UDP = 2, | |
57 | FIO_TYPE_UNIX = 3, | |
49ccb8c1 JA |
58 | FIO_TYPE_TCP_V6 = 4, |
59 | FIO_TYPE_UDP_V6 = 5, | |
664fb3bd JA |
60 | }; |
61 | ||
de890a1e SL |
62 | static int str_hostname_cb(void *data, const char *input); |
63 | static struct fio_option options[] = { | |
64 | { | |
65 | .name = "hostname", | |
e8b0e958 | 66 | .lname = "net engine hostname", |
de890a1e SL |
67 | .type = FIO_OPT_STR_STORE, |
68 | .cb = str_hostname_cb, | |
69 | .help = "Hostname for net IO engine", | |
e90a0adf JA |
70 | .category = FIO_OPT_C_ENGINE, |
71 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
72 | }, |
73 | { | |
74 | .name = "port", | |
e8b0e958 | 75 | .lname = "net engine port", |
de890a1e SL |
76 | .type = FIO_OPT_INT, |
77 | .off1 = offsetof(struct netio_options, port), | |
78 | .minval = 1, | |
79 | .maxval = 65535, | |
80 | .help = "Port to use for TCP or UDP net connections", | |
e90a0adf JA |
81 | .category = FIO_OPT_C_ENGINE, |
82 | .group = FIO_OPT_G_NETIO, | |
de890a1e SL |
83 | }, |
84 | { | |
85 | .name = "protocol", | |
e8b0e958 | 86 | .lname = "net engine protocol", |
de890a1e SL |
87 | .alias = "proto", |
88 | .type = FIO_OPT_STR, | |
89 | .off1 = offsetof(struct netio_options, proto), | |
90 | .help = "Network protocol to use", | |
91 | .def = "tcp", | |
92 | .posval = { | |
93 | { .ival = "tcp", | |
94 | .oval = FIO_TYPE_TCP, | |
95 | .help = "Transmission Control Protocol", | |
96 | }, | |
eb232310 | 97 | #ifdef CONFIG_IPV6 |
49ccb8c1 JA |
98 | { .ival = "tcpv6", |
99 | .oval = FIO_TYPE_TCP_V6, | |
100 | .help = "Transmission Control Protocol V6", | |
101 | }, | |
eb232310 | 102 | #endif |
de890a1e SL |
103 | { .ival = "udp", |
104 | .oval = FIO_TYPE_UDP, | |
f5cc3d0e | 105 | .help = "User Datagram Protocol", |
de890a1e | 106 | }, |
eb232310 | 107 | #ifdef CONFIG_IPV6 |
49ccb8c1 JA |
108 | { .ival = "udpv6", |
109 | .oval = FIO_TYPE_UDP_V6, | |
110 | .help = "User Datagram Protocol V6", | |
111 | }, | |
eb232310 | 112 | #endif |
de890a1e SL |
113 | { .ival = "unix", |
114 | .oval = FIO_TYPE_UNIX, | |
115 | .help = "UNIX domain socket", | |
116 | }, | |
117 | }, | |
e90a0adf JA |
118 | .category = FIO_OPT_C_ENGINE, |
119 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 120 | }, |
1eafa37a | 121 | #ifdef CONFIG_TCP_NODELAY |
70a7878c SN |
122 | { |
123 | .name = "nodelay", | |
124 | .type = FIO_OPT_BOOL, | |
125 | .off1 = offsetof(struct netio_options, nodelay), | |
126 | .help = "Use TCP_NODELAY on TCP connections", | |
e90a0adf JA |
127 | .category = FIO_OPT_C_ENGINE, |
128 | .group = FIO_OPT_G_NETIO, | |
70a7878c | 129 | }, |
1eafa37a | 130 | #endif |
de890a1e SL |
131 | { |
132 | .name = "listen", | |
e8b0e958 | 133 | .lname = "net engine listen", |
de890a1e SL |
134 | .type = FIO_OPT_STR_SET, |
135 | .off1 = offsetof(struct netio_options, listen), | |
136 | .help = "Listen for incoming TCP connections", | |
e90a0adf JA |
137 | .category = FIO_OPT_C_ENGINE, |
138 | .group = FIO_OPT_G_NETIO, | |
de890a1e | 139 | }, |
6f73a7f8 JA |
140 | { |
141 | .name = "pingpong", | |
142 | .type = FIO_OPT_STR_SET, | |
143 | .off1 = offsetof(struct netio_options, pingpong), | |
144 | .help = "Ping-pong IO requests", | |
e90a0adf JA |
145 | .category = FIO_OPT_C_ENGINE, |
146 | .group = FIO_OPT_G_NETIO, | |
6f73a7f8 | 147 | }, |
b93b6a2e SB |
148 | { |
149 | .name = "interface", | |
150 | .lname = "net engine interface", | |
151 | .type = FIO_OPT_STR_STORE, | |
f16b7405 | 152 | .off1 = offsetof(struct netio_options, intfc), |
b93b6a2e SB |
153 | .help = "Network interface to use", |
154 | .category = FIO_OPT_C_ENGINE, | |
155 | .group = FIO_OPT_G_NETIO, | |
156 | }, | |
d3a623de SB |
157 | { |
158 | .name = "ttl", | |
159 | .lname = "net engine multicast ttl", | |
160 | .type = FIO_OPT_INT, | |
161 | .off1 = offsetof(struct netio_options, ttl), | |
162 | .def = "1", | |
163 | .minval = 0, | |
164 | .help = "Time-to-live value for outgoing UDP multicast packets", | |
165 | .category = FIO_OPT_C_ENGINE, | |
166 | .group = FIO_OPT_G_NETIO, | |
167 | }, | |
de890a1e SL |
168 | { |
169 | .name = NULL, | |
170 | }, | |
171 | }; | |
172 | ||
49ccb8c1 JA |
173 | static inline int is_udp(struct netio_options *o) |
174 | { | |
175 | return o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_UDP_V6; | |
176 | } | |
177 | ||
178 | static inline int is_tcp(struct netio_options *o) | |
179 | { | |
180 | return o->proto == FIO_TYPE_TCP || o->proto == FIO_TYPE_TCP_V6; | |
181 | } | |
182 | ||
183 | static inline int is_ipv6(struct netio_options *o) | |
184 | { | |
185 | return o->proto == FIO_TYPE_UDP_V6 || o->proto == FIO_TYPE_TCP_V6; | |
186 | } | |
187 | ||
371d456c JA |
188 | /* |
189 | * Return -1 for error and 'nr events' for a positive number | |
190 | * of events | |
191 | */ | |
192 | static int poll_wait(struct thread_data *td, int fd, short events) | |
193 | { | |
194 | struct pollfd pfd; | |
195 | int ret; | |
196 | ||
197 | while (!td->terminate) { | |
198 | pfd.fd = fd; | |
199 | pfd.events = events; | |
200 | ret = poll(&pfd, 1, -1); | |
201 | if (ret < 0) { | |
202 | if (errno == EINTR) | |
d5b388a5 | 203 | break; |
371d456c JA |
204 | |
205 | td_verror(td, errno, "poll"); | |
206 | return -1; | |
207 | } else if (!ret) | |
208 | continue; | |
209 | ||
210 | break; | |
211 | } | |
212 | ||
213 | if (pfd.revents & events) | |
214 | return 1; | |
371d456c JA |
215 | |
216 | return -1; | |
217 | } | |
218 | ||
b511c9aa SB |
219 | static int fio_netio_is_multicast(const char *mcaddr) |
220 | { | |
221 | in_addr_t addr = inet_network(mcaddr); | |
222 | if (addr == -1) | |
223 | return 0; | |
224 | ||
225 | if (inet_network("224.0.0.0") <= addr && | |
226 | inet_network("239.255.255.255") >= addr) | |
227 | return 1; | |
228 | ||
229 | return 0; | |
230 | } | |
231 | ||
232 | ||
ed92ac0c JA |
233 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
234 | { | |
de890a1e | 235 | struct netio_options *o = td->eo; |
ed92ac0c | 236 | |
7a6499da JA |
237 | /* |
238 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
239 | */ | |
49ccb8c1 | 240 | if (is_tcp(o)) |
de890a1e SL |
241 | return 0; |
242 | ||
243 | if ((o->listen && io_u->ddir == DDIR_WRITE) || | |
244 | (!o->listen && io_u->ddir == DDIR_READ)) { | |
e1161c32 | 245 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 246 | return 1; |
ed92ac0c | 247 | } |
3f457bea | 248 | |
f85ac25a | 249 | return 0; |
ed92ac0c JA |
250 | } |
251 | ||
67bf9823 | 252 | #ifdef CONFIG_LINUX_SPLICE |
cd963e18 | 253 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 254 | { |
9cce02e8 | 255 | int bytes = 0; |
7a6499da | 256 | |
9cce02e8 | 257 | while (len) { |
cd963e18 | 258 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
259 | |
260 | if (ret < 0) { | |
261 | if (!bytes) | |
262 | bytes = ret; | |
263 | ||
264 | break; | |
265 | } else if (!ret) | |
266 | break; | |
267 | ||
268 | bytes += ret; | |
f657a2fb | 269 | len -= ret; |
9cce02e8 JA |
270 | } |
271 | ||
272 | return bytes; | |
273 | } | |
274 | ||
275 | /* | |
cd963e18 | 276 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 277 | */ |
cd963e18 | 278 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
279 | { |
280 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 281 | |
cd963e18 | 282 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
283 | } |
284 | ||
285 | /* | |
cd963e18 | 286 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 287 | */ |
cd963e18 JA |
288 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
289 | unsigned int len) | |
9cce02e8 JA |
290 | { |
291 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
292 | |
293 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
294 | } | |
295 | ||
296 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
297 | { | |
9cce02e8 JA |
298 | struct iovec iov = { |
299 | .iov_base = io_u->xfer_buf, | |
300 | .iov_len = len, | |
301 | }; | |
302 | int bytes = 0; | |
303 | ||
304 | while (iov.iov_len) { | |
cd963e18 | 305 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
306 | |
307 | if (ret < 0) { | |
308 | if (!bytes) | |
309 | bytes = ret; | |
310 | break; | |
311 | } else if (!ret) | |
312 | break; | |
313 | ||
314 | iov.iov_len -= ret; | |
cd963e18 | 315 | iov.iov_base += ret; |
f657a2fb | 316 | bytes += ret; |
9cce02e8 JA |
317 | } |
318 | ||
319 | return bytes; | |
cd963e18 | 320 | |
9cce02e8 JA |
321 | } |
322 | ||
323 | /* | |
cd963e18 | 324 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 325 | */ |
cd963e18 JA |
326 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
327 | unsigned int len) | |
9cce02e8 JA |
328 | { |
329 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 330 | |
cd963e18 JA |
331 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
332 | } | |
9cce02e8 | 333 | |
cd963e18 JA |
334 | /* |
335 | * vmsplice() io_u to pipe | |
336 | */ | |
337 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
338 | { | |
339 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 340 | |
cd963e18 | 341 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
342 | } |
343 | ||
cd963e18 JA |
344 | /* |
345 | * splice receive - transfer socket data into a pipe using splice, then map | |
346 | * that pipe data into the io_u using vmsplice. | |
347 | */ | |
9cce02e8 JA |
348 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
349 | { | |
350 | int ret; | |
351 | ||
352 | ret = splice_in(td, io_u); | |
cd963e18 JA |
353 | if (ret > 0) |
354 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 355 | |
cd963e18 | 356 | return ret; |
9cce02e8 JA |
357 | } |
358 | ||
cd963e18 JA |
359 | /* |
360 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
361 | * then transfer that pipe to a socket using splice. | |
362 | */ | |
9cce02e8 JA |
363 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
364 | { | |
365 | int ret; | |
366 | ||
367 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
368 | if (ret > 0) |
369 | return splice_out(td, io_u, ret); | |
9cce02e8 | 370 | |
cd963e18 | 371 | return ret; |
9cce02e8 | 372 | } |
5921e80c JA |
373 | #else |
374 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
375 | { | |
af8771b9 | 376 | errno = EOPNOTSUPP; |
5921e80c JA |
377 | return -1; |
378 | } | |
379 | ||
380 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
381 | { | |
af8771b9 | 382 | errno = EOPNOTSUPP; |
5921e80c JA |
383 | return -1; |
384 | } | |
385 | #endif | |
9cce02e8 JA |
386 | |
387 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
388 | { | |
414c2a3e | 389 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 390 | struct netio_options *o = td->eo; |
6f73a7f8 | 391 | int ret, flags = 0; |
371d456c | 392 | |
664fb3bd | 393 | do { |
49ccb8c1 JA |
394 | if (is_udp(o)) { |
395 | struct sockaddr *to; | |
396 | socklen_t len; | |
397 | ||
398 | if (is_ipv6(o)) { | |
399 | to = (struct sockaddr *) &nd->addr6; | |
400 | len = sizeof(nd->addr6); | |
401 | } else { | |
402 | to = (struct sockaddr *) &nd->addr; | |
403 | len = sizeof(nd->addr); | |
404 | } | |
62b38926 | 405 | |
664fb3bd | 406 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
49ccb8c1 | 407 | io_u->xfer_buflen, flags, to, len); |
664fb3bd JA |
408 | } else { |
409 | /* | |
410 | * if we are going to write more, set MSG_MORE | |
411 | */ | |
5921e80c | 412 | #ifdef MSG_MORE |
6f73a7f8 JA |
413 | if ((td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
414 | td->o.size) && !o->pingpong) | |
664fb3bd | 415 | flags |= MSG_MORE; |
5921e80c | 416 | #endif |
664fb3bd JA |
417 | ret = send(io_u->file->fd, io_u->xfer_buf, |
418 | io_u->xfer_buflen, flags); | |
419 | } | |
420 | if (ret > 0) | |
421 | break; | |
9cce02e8 | 422 | |
664fb3bd JA |
423 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
424 | if (ret <= 0) | |
425 | break; | |
664fb3bd JA |
426 | } while (1); |
427 | ||
428 | return ret; | |
429 | } | |
430 | ||
431 | static int is_udp_close(struct io_u *io_u, int len) | |
432 | { | |
433 | struct udp_close_msg *msg; | |
434 | ||
435 | if (len != sizeof(struct udp_close_msg)) | |
436 | return 0; | |
437 | ||
438 | msg = io_u->xfer_buf; | |
b96d2430 | 439 | if (ntohl(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) |
664fb3bd JA |
440 | return 0; |
441 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) | |
442 | return 0; | |
443 | ||
444 | return 1; | |
9cce02e8 JA |
445 | } |
446 | ||
414c2a3e | 447 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 448 | { |
414c2a3e | 449 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 450 | struct netio_options *o = td->eo; |
6f73a7f8 | 451 | int ret, flags = 0; |
664fb3bd JA |
452 | |
453 | do { | |
49ccb8c1 | 454 | if (is_udp(o)) { |
b511c9aa | 455 | struct sockaddr *from; |
49ccb8c1 | 456 | socklen_t l, *len = &l; |
b511c9aa SB |
457 | |
458 | if (o->listen) { | |
49ccb8c1 JA |
459 | if (!is_ipv6(o)) { |
460 | from = (struct sockaddr *) &nd->addr; | |
461 | *len = sizeof(nd->addr); | |
462 | } else { | |
463 | from = (struct sockaddr *) &nd->addr6; | |
464 | *len = sizeof(nd->addr6); | |
465 | } | |
b511c9aa SB |
466 | } else { |
467 | from = NULL; | |
468 | len = NULL; | |
469 | } | |
664fb3bd JA |
470 | |
471 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, | |
b511c9aa | 472 | io_u->xfer_buflen, flags, from, len); |
664fb3bd JA |
473 | if (is_udp_close(io_u, ret)) { |
474 | td->done = 1; | |
475 | return 0; | |
476 | } | |
477 | } else { | |
478 | ret = recv(io_u->file->fd, io_u->xfer_buf, | |
479 | io_u->xfer_buflen, flags); | |
480 | } | |
481 | if (ret > 0) | |
482 | break; | |
7d988f68 JA |
483 | else if (!ret && (flags & MSG_WAITALL)) |
484 | break; | |
9cce02e8 | 485 | |
664fb3bd JA |
486 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
487 | if (ret <= 0) | |
488 | break; | |
664fb3bd JA |
489 | flags |= MSG_WAITALL; |
490 | } while (1); | |
414c2a3e | 491 | |
664fb3bd | 492 | return ret; |
9cce02e8 JA |
493 | } |
494 | ||
6f73a7f8 JA |
495 | static int __fio_netio_queue(struct thread_data *td, struct io_u *io_u, |
496 | enum fio_ddir ddir) | |
9cce02e8 JA |
497 | { |
498 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 499 | struct netio_options *o = td->eo; |
9cce02e8 JA |
500 | int ret; |
501 | ||
6f73a7f8 | 502 | if (ddir == DDIR_WRITE) { |
49ccb8c1 | 503 | if (!nd->use_splice || is_udp(o) || |
de890a1e | 504 | o->proto == FIO_TYPE_UNIX) |
9cce02e8 | 505 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
506 | else |
507 | ret = fio_netio_splice_out(td, io_u); | |
6f73a7f8 | 508 | } else if (ddir == DDIR_READ) { |
49ccb8c1 | 509 | if (!nd->use_splice || is_udp(o) || |
de890a1e | 510 | o->proto == FIO_TYPE_UNIX) |
414c2a3e | 511 | ret = fio_netio_recv(td, io_u); |
9cce02e8 | 512 | else |
414c2a3e | 513 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 514 | } else |
7a6499da | 515 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 516 | |
cec6b55d | 517 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 518 | if (ret >= 0) { |
cec6b55d JA |
519 | io_u->resid = io_u->xfer_buflen - ret; |
520 | io_u->error = 0; | |
36167d82 | 521 | return FIO_Q_COMPLETED; |
414c2a3e JA |
522 | } else { |
523 | int err = errno; | |
524 | ||
6f73a7f8 | 525 | if (ddir == DDIR_WRITE && err == EMSGSIZE) |
414c2a3e JA |
526 | return FIO_Q_BUSY; |
527 | ||
528 | io_u->error = err; | |
529 | } | |
ed92ac0c JA |
530 | } |
531 | ||
36167d82 | 532 | if (io_u->error) |
e1161c32 | 533 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 534 | |
36167d82 | 535 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
536 | } |
537 | ||
6f73a7f8 JA |
538 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) |
539 | { | |
540 | struct netio_options *o = td->eo; | |
541 | int ret; | |
542 | ||
543 | fio_ro_check(td, io_u); | |
544 | ||
545 | ret = __fio_netio_queue(td, io_u, io_u->ddir); | |
546 | if (!o->pingpong || ret != FIO_Q_COMPLETED) | |
547 | return ret; | |
548 | ||
549 | /* | |
550 | * For ping-pong mode, receive or send reply as needed | |
551 | */ | |
552 | if (td_read(td) && io_u->ddir == DDIR_READ) | |
553 | ret = __fio_netio_queue(td, io_u, DDIR_WRITE); | |
554 | else if (td_write(td) && io_u->ddir == DDIR_WRITE) | |
555 | ret = __fio_netio_queue(td, io_u, DDIR_READ); | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
b5af8293 | 560 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 561 | { |
b5af8293 | 562 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 563 | struct netio_options *o = td->eo; |
6264c7a8 | 564 | int type, domain; |
414c2a3e | 565 | |
de890a1e | 566 | if (o->proto == FIO_TYPE_TCP) { |
0fd666bf | 567 | domain = AF_INET; |
414c2a3e | 568 | type = SOCK_STREAM; |
49ccb8c1 JA |
569 | } else if (o->proto == FIO_TYPE_TCP_V6) { |
570 | domain = AF_INET6; | |
571 | type = SOCK_STREAM; | |
de890a1e | 572 | } else if (o->proto == FIO_TYPE_UDP) { |
0fd666bf | 573 | domain = AF_INET; |
414c2a3e | 574 | type = SOCK_DGRAM; |
49ccb8c1 JA |
575 | } else if (o->proto == FIO_TYPE_UDP_V6) { |
576 | domain = AF_INET6; | |
577 | type = SOCK_DGRAM; | |
de890a1e | 578 | } else if (o->proto == FIO_TYPE_UNIX) { |
0fd666bf JA |
579 | domain = AF_UNIX; |
580 | type = SOCK_STREAM; | |
581 | } else { | |
de890a1e | 582 | log_err("fio: bad network type %d\n", o->proto); |
0fd666bf JA |
583 | f->fd = -1; |
584 | return 1; | |
585 | } | |
ed92ac0c | 586 | |
0fd666bf | 587 | f->fd = socket(domain, type, 0); |
b5af8293 JA |
588 | if (f->fd < 0) { |
589 | td_verror(td, errno, "socket"); | |
590 | return 1; | |
ed92ac0c JA |
591 | } |
592 | ||
1eafa37a | 593 | #ifdef CONFIG_TCP_NODELAY |
49ccb8c1 | 594 | if (o->nodelay && is_tcp(o)) { |
6264c7a8 JA |
595 | int optval = 1; |
596 | ||
26e594a5 | 597 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
598 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
599 | return 1; | |
600 | } | |
601 | } | |
1eafa37a | 602 | #endif |
70a7878c | 603 | |
49ccb8c1 | 604 | if (is_udp(o)) { |
d3a623de SB |
605 | if (!fio_netio_is_multicast(td->o.filename)) |
606 | return 0; | |
49ccb8c1 JA |
607 | if (is_ipv6(o)) { |
608 | log_err("fio: multicast not supported on IPv6\n"); | |
609 | close(f->fd); | |
610 | return 1; | |
611 | } | |
d3a623de | 612 | |
f16b7405 | 613 | if (o->intfc) { |
b93b6a2e | 614 | struct in_addr interface_addr; |
49ccb8c1 | 615 | |
f16b7405 | 616 | if (inet_aton(o->intfc, &interface_addr) == 0) { |
b93b6a2e SB |
617 | log_err("fio: interface not valid interface IP\n"); |
618 | close(f->fd); | |
619 | return 1; | |
620 | } | |
f16b7405 | 621 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, (const char*)&interface_addr, sizeof(interface_addr)) < 0) { |
b93b6a2e SB |
622 | td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); |
623 | close(f->fd); | |
624 | return 1; | |
625 | } | |
626 | } | |
f16b7405 | 627 | if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, (const char*)&o->ttl, sizeof(o->ttl)) < 0) { |
d3a623de SB |
628 | td_verror(td, errno, "setsockopt IP_MULTICAST_TTL"); |
629 | close(f->fd); | |
630 | return 1; | |
631 | } | |
414c2a3e | 632 | return 0; |
b93b6a2e | 633 | } else if (o->proto == FIO_TYPE_TCP) { |
67bf9823 | 634 | socklen_t len = sizeof(nd->addr); |
414c2a3e | 635 | |
0fd666bf JA |
636 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
637 | td_verror(td, errno, "connect"); | |
b94cba47 | 638 | close(f->fd); |
0fd666bf JA |
639 | return 1; |
640 | } | |
49ccb8c1 JA |
641 | } else if (o->proto == FIO_TYPE_TCP_V6) { |
642 | socklen_t len = sizeof(nd->addr6); | |
643 | ||
644 | if (connect(f->fd, (struct sockaddr *) &nd->addr6, len) < 0) { | |
645 | td_verror(td, errno, "connect"); | |
646 | close(f->fd); | |
647 | return 1; | |
648 | } | |
649 | ||
0fd666bf JA |
650 | } else { |
651 | struct sockaddr_un *addr = &nd->addr_un; | |
67bf9823 | 652 | socklen_t len; |
0fd666bf JA |
653 | |
654 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
655 | ||
656 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { | |
657 | td_verror(td, errno, "connect"); | |
b94cba47 | 658 | close(f->fd); |
0fd666bf JA |
659 | return 1; |
660 | } | |
ed92ac0c JA |
661 | } |
662 | ||
663 | return 0; | |
ed92ac0c JA |
664 | } |
665 | ||
b5af8293 | 666 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 667 | { |
b5af8293 | 668 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 669 | struct netio_options *o = td->eo; |
49ccb8c1 | 670 | socklen_t socklen; |
6264c7a8 | 671 | int state; |
5fdd124a | 672 | |
49ccb8c1 | 673 | if (is_udp(o)) { |
414c2a3e JA |
674 | f->fd = nd->listenfd; |
675 | return 0; | |
676 | } | |
677 | ||
859088d3 JA |
678 | state = td->runstate; |
679 | td_set_runstate(td, TD_SETTING_UP); | |
680 | ||
6d86144d | 681 | log_info("fio: waiting for connection\n"); |
5fdd124a | 682 | |
371d456c | 683 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
859088d3 | 684 | goto err; |
0c09442b | 685 | |
49ccb8c1 JA |
686 | if (o->proto == FIO_TYPE_TCP) { |
687 | socklen = sizeof(nd->addr); | |
688 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); | |
689 | } else { | |
690 | socklen = sizeof(nd->addr6); | |
691 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr6, &socklen); | |
692 | } | |
693 | ||
371d456c JA |
694 | if (f->fd < 0) { |
695 | td_verror(td, errno, "accept"); | |
859088d3 | 696 | goto err; |
b5af8293 | 697 | } |
5fdd124a | 698 | |
1eafa37a | 699 | #ifdef CONFIG_TCP_NODELAY |
49ccb8c1 | 700 | if (o->nodelay && is_tcp(o)) { |
6264c7a8 JA |
701 | int optval = 1; |
702 | ||
26e594a5 | 703 | if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { |
70a7878c SN |
704 | log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); |
705 | return 1; | |
706 | } | |
707 | } | |
1eafa37a | 708 | #endif |
70a7878c | 709 | |
0cae16ff | 710 | reset_all_stats(td); |
859088d3 | 711 | td_set_runstate(td, state); |
b5af8293 | 712 | return 0; |
859088d3 JA |
713 | err: |
714 | td_set_runstate(td, state); | |
715 | return 1; | |
b5af8293 JA |
716 | } |
717 | ||
664fb3bd JA |
718 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
719 | { | |
720 | struct netio_data *nd = td->io_ops->data; | |
49ccb8c1 | 721 | struct netio_options *o = td->eo; |
664fb3bd | 722 | struct udp_close_msg msg; |
49ccb8c1 JA |
723 | struct sockaddr *to; |
724 | socklen_t len; | |
664fb3bd JA |
725 | int ret; |
726 | ||
49ccb8c1 JA |
727 | if (is_ipv6(o)) { |
728 | to = (struct sockaddr *) &nd->addr6; | |
729 | len = sizeof(nd->addr6); | |
730 | } else { | |
731 | to = (struct sockaddr *) &nd->addr; | |
732 | len = sizeof(nd->addr); | |
733 | } | |
734 | ||
b96d2430 | 735 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
664fb3bd JA |
736 | msg.cmd = htonl(FIO_LINK_CLOSE); |
737 | ||
49ccb8c1 | 738 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); |
664fb3bd JA |
739 | if (ret < 0) |
740 | td_verror(td, errno, "sendto udp link close"); | |
741 | } | |
742 | ||
743 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) | |
744 | { | |
de890a1e | 745 | struct netio_options *o = td->eo; |
664fb3bd JA |
746 | |
747 | /* | |
748 | * If this is an UDP connection, notify the receiver that we are | |
749 | * closing down the link | |
750 | */ | |
49ccb8c1 | 751 | if (is_udp(o)) |
664fb3bd JA |
752 | fio_netio_udp_close(td, f); |
753 | ||
754 | return generic_close_file(td, f); | |
755 | } | |
756 | ||
b96d2430 JA |
757 | static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) |
758 | { | |
759 | struct netio_data *nd = td->io_ops->data; | |
49ccb8c1 | 760 | struct netio_options *o = td->eo; |
b96d2430 | 761 | struct udp_close_msg msg; |
49ccb8c1 JA |
762 | struct sockaddr *to; |
763 | socklen_t len; | |
b96d2430 JA |
764 | int ret; |
765 | ||
49ccb8c1 JA |
766 | if (is_ipv6(o)) { |
767 | len = sizeof(nd->addr6); | |
768 | to = (struct sockaddr *) &nd->addr6; | |
769 | } else { | |
770 | len = sizeof(nd->addr); | |
771 | to = (struct sockaddr *) &nd->addr; | |
772 | } | |
773 | ||
1f81991e | 774 | ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); |
b96d2430 | 775 | if (ret < 0) { |
ee7062fd | 776 | td_verror(td, errno, "recvfrom udp link open"); |
b96d2430 JA |
777 | return ret; |
778 | } | |
779 | ||
780 | if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || | |
781 | ntohl(msg.cmd) != FIO_LINK_OPEN) { | |
782 | log_err("fio: bad udp open magic %x/%x\n", ntohl(msg.magic), | |
783 | ntohl(msg.cmd)); | |
784 | return -1; | |
785 | } | |
786 | ||
787 | return 0; | |
788 | } | |
789 | ||
790 | static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) | |
791 | { | |
792 | struct netio_data *nd = td->io_ops->data; | |
49ccb8c1 | 793 | struct netio_options *o = td->eo; |
b96d2430 | 794 | struct udp_close_msg msg; |
49ccb8c1 JA |
795 | struct sockaddr *to; |
796 | socklen_t len; | |
b96d2430 JA |
797 | int ret; |
798 | ||
49ccb8c1 JA |
799 | if (is_ipv6(o)) { |
800 | len = sizeof(nd->addr6); | |
801 | to = (struct sockaddr *) &nd->addr6; | |
802 | } else { | |
803 | len = sizeof(nd->addr); | |
804 | to = (struct sockaddr *) &nd->addr; | |
805 | } | |
806 | ||
b96d2430 JA |
807 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
808 | msg.cmd = htonl(FIO_LINK_OPEN); | |
809 | ||
49ccb8c1 | 810 | ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); |
b96d2430 JA |
811 | if (ret < 0) { |
812 | td_verror(td, errno, "sendto udp link open"); | |
813 | return ret; | |
814 | } | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
819 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) | |
820 | { | |
821 | int ret; | |
822 | struct netio_options *o = td->eo; | |
823 | ||
824 | if (o->listen) | |
825 | ret = fio_netio_accept(td, f); | |
826 | else | |
827 | ret = fio_netio_connect(td, f); | |
828 | ||
829 | if (ret) { | |
830 | f->fd = -1; | |
831 | return ret; | |
832 | } | |
833 | ||
49ccb8c1 | 834 | if (is_udp(o)) { |
b96d2430 JA |
835 | if (td_write(td)) |
836 | ret = fio_netio_udp_send_open(td, f); | |
837 | else { | |
838 | int state; | |
839 | ||
840 | state = td->runstate; | |
841 | td_set_runstate(td, TD_SETTING_UP); | |
842 | ret = fio_netio_udp_recv_open(td, f); | |
843 | td_set_runstate(td, state); | |
844 | } | |
845 | } | |
846 | ||
847 | if (ret) | |
848 | fio_netio_close_file(td, f); | |
849 | ||
850 | return ret; | |
851 | } | |
852 | ||
0b783341 JA |
853 | static int fio_fill_addr(struct thread_data *td, const char *host, int af, |
854 | void *dst, struct addrinfo **res) | |
855 | { | |
856 | struct netio_options *o = td->eo; | |
857 | struct addrinfo hints; | |
858 | int ret; | |
859 | ||
860 | if (inet_pton(af, host, dst)) | |
861 | return 0; | |
862 | ||
863 | memset(&hints, 0, sizeof(hints)); | |
0b783341 JA |
864 | |
865 | if (is_tcp(o)) | |
866 | hints.ai_socktype = SOCK_STREAM; | |
867 | else | |
868 | hints.ai_socktype = SOCK_DGRAM; | |
869 | ||
b1b1be2a JA |
870 | if (is_ipv6(o)) |
871 | hints.ai_family = AF_INET6; | |
872 | else | |
873 | hints.ai_family = AF_INET; | |
874 | ||
0b783341 JA |
875 | ret = getaddrinfo(host, NULL, &hints, res); |
876 | if (ret) { | |
877 | int e = EINVAL; | |
878 | char str[128]; | |
879 | ||
880 | if (ret == EAI_SYSTEM) | |
881 | e = errno; | |
882 | ||
883 | snprintf(str, sizeof(str), "getaddrinfo: %s", gai_strerror(ret)); | |
884 | td_verror(td, e, str); | |
885 | return 1; | |
886 | } | |
887 | ||
888 | return 0; | |
889 | } | |
890 | ||
0fd666bf JA |
891 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
892 | const char *host, unsigned short port) | |
b5af8293 JA |
893 | { |
894 | struct netio_data *nd = td->io_ops->data; | |
49ccb8c1 | 895 | struct netio_options *o = td->eo; |
0b783341 JA |
896 | struct addrinfo *res = NULL; |
897 | void *dst, *src; | |
898 | int af, len; | |
b5af8293 | 899 | |
166dce4b JA |
900 | if (!host) { |
901 | log_err("fio: connect with no host to connect to.\n"); | |
902 | if (td_read(td)) | |
903 | log_err("fio: did you forget to set 'listen'?\n"); | |
904 | ||
905 | td_verror(td, EINVAL, "no hostname= set"); | |
906 | return 1; | |
907 | } | |
908 | ||
0b783341 JA |
909 | nd->addr.sin_family = AF_INET; |
910 | nd->addr.sin_port = htons(port); | |
911 | nd->addr6.sin6_family = AF_INET6; | |
912 | nd->addr6.sin6_port = htons(port); | |
b5af8293 | 913 | |
0b783341 JA |
914 | if (is_ipv6(o)) { |
915 | af = AF_INET6; | |
68631b36 | 916 | dst = &nd->addr6.sin6_addr; |
49ccb8c1 | 917 | } else { |
0b783341 | 918 | af = AF_INET; |
68631b36 | 919 | dst = &nd->addr.sin_addr; |
0b783341 | 920 | } |
49ccb8c1 | 921 | |
0b783341 JA |
922 | if (fio_fill_addr(td, host, af, dst, &res)) |
923 | return 1; | |
49ccb8c1 | 924 | |
0b783341 JA |
925 | if (!res) |
926 | return 0; | |
49ccb8c1 | 927 | |
0b783341 JA |
928 | if (is_ipv6(o)) { |
929 | len = sizeof(nd->addr6.sin6_addr); | |
930 | src = &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr; | |
931 | } else { | |
932 | len = sizeof(nd->addr.sin_addr); | |
933 | src = &((struct sockaddr_in *) res->ai_addr)->sin_addr; | |
5fdd124a JA |
934 | } |
935 | ||
0b783341 JA |
936 | memcpy(dst, src, len); |
937 | freeaddrinfo(res); | |
5fdd124a JA |
938 | return 0; |
939 | } | |
940 | ||
0fd666bf JA |
941 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
942 | const char *path) | |
943 | { | |
944 | struct netio_data *nd = td->io_ops->data; | |
945 | struct sockaddr_un *soun = &nd->addr_un; | |
946 | ||
947 | soun->sun_family = AF_UNIX; | |
948 | strcpy(soun->sun_path, path); | |
949 | return 0; | |
950 | } | |
951 | ||
de890a1e | 952 | static int fio_netio_setup_connect(struct thread_data *td) |
0fd666bf | 953 | { |
de890a1e | 954 | struct netio_options *o = td->eo; |
0fd666bf | 955 | |
49ccb8c1 | 956 | if (is_udp(o) || is_tcp(o)) |
de890a1e | 957 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); |
0fd666bf | 958 | else |
de890a1e | 959 | return fio_netio_setup_connect_unix(td, td->o.filename); |
0fd666bf JA |
960 | } |
961 | ||
962 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) | |
963 | { | |
964 | struct netio_data *nd = td->io_ops->data; | |
965 | struct sockaddr_un *addr = &nd->addr_un; | |
966 | mode_t mode; | |
967 | int len, fd; | |
968 | ||
969 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
970 | if (fd < 0) { | |
971 | log_err("fio: socket: %s\n", strerror(errno)); | |
972 | return -1; | |
973 | } | |
974 | ||
975 | mode = umask(000); | |
976 | ||
977 | memset(addr, 0, sizeof(*addr)); | |
978 | addr->sun_family = AF_UNIX; | |
979 | strcpy(addr->sun_path, path); | |
980 | unlink(path); | |
981 | ||
982 | len = sizeof(addr->sun_family) + strlen(path) + 1; | |
983 | ||
984 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { | |
985 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 986 | close(fd); |
0fd666bf JA |
987 | return -1; |
988 | } | |
989 | ||
990 | umask(mode); | |
991 | nd->listenfd = fd; | |
992 | return 0; | |
993 | } | |
994 | ||
995 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) | |
ed92ac0c | 996 | { |
b5af8293 | 997 | struct netio_data *nd = td->io_ops->data; |
de890a1e | 998 | struct netio_options *o = td->eo; |
b511c9aa SB |
999 | struct ip_mreq mr; |
1000 | struct sockaddr_in sin; | |
49ccb8c1 JA |
1001 | struct sockaddr_in6 sin6; |
1002 | struct sockaddr *saddr; | |
1003 | int fd, opt, type, domain; | |
1004 | socklen_t len; | |
ed92ac0c | 1005 | |
b511c9aa | 1006 | memset(&sin, 0, sizeof(sin)); |
49ccb8c1 JA |
1007 | memset(&sin6, 0, sizeof(sin6)); |
1008 | ||
1009 | if (o->proto == FIO_TYPE_TCP) { | |
414c2a3e | 1010 | type = SOCK_STREAM; |
49ccb8c1 JA |
1011 | domain = AF_INET; |
1012 | } else if (o->proto == FIO_TYPE_TCP_V6) { | |
1013 | type = SOCK_STREAM; | |
1014 | domain = AF_INET6; | |
1015 | } else if (o->proto == FIO_TYPE_UDP) { | |
414c2a3e | 1016 | type = SOCK_DGRAM; |
49ccb8c1 JA |
1017 | domain = AF_INET; |
1018 | } else if (o->proto == FIO_TYPE_UDP_V6) { | |
1019 | type = SOCK_DGRAM; | |
1020 | domain = AF_INET6; | |
1021 | } else { | |
1022 | log_err("fio: unknown proto %d\n", o->proto); | |
1023 | return 1; | |
1024 | } | |
414c2a3e | 1025 | |
49ccb8c1 | 1026 | fd = socket(domain, type, 0); |
ed92ac0c | 1027 | if (fd < 0) { |
e1161c32 | 1028 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
1029 | return 1; |
1030 | } | |
1031 | ||
1032 | opt = 1; | |
26e594a5 | 1033 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 1034 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 1035 | close(fd); |
ed92ac0c JA |
1036 | return 1; |
1037 | } | |
6bedbfaf | 1038 | #ifdef SO_REUSEPORT |
26e594a5 | 1039 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { |
e1161c32 | 1040 | td_verror(td, errno, "setsockopt"); |
4a93dec2 | 1041 | close(fd); |
6bedbfaf JA |
1042 | return 1; |
1043 | } | |
1044 | #endif | |
ed92ac0c | 1045 | |
6611e9c7 | 1046 | if (td->o.filename) { |
49ccb8c1 | 1047 | if (!is_udp(o) || !fio_netio_is_multicast(td->o.filename)) { |
b511c9aa SB |
1048 | log_err("fio: hostname not valid for non-multicast inbound network IO\n"); |
1049 | close(fd); | |
1050 | return 1; | |
1051 | } | |
6611e9c7 JA |
1052 | if (is_ipv6(o)) { |
1053 | log_err("fio: IPv6 not supported for multicast network IO"); | |
1054 | close(fd); | |
1055 | return 1; | |
1056 | } | |
b511c9aa SB |
1057 | |
1058 | inet_aton(td->o.filename, &sin.sin_addr); | |
1059 | ||
1060 | mr.imr_multiaddr = sin.sin_addr; | |
f16b7405 BC |
1061 | if (o->intfc) { |
1062 | if (inet_aton(o->intfc, &mr.imr_interface) == 0) { | |
b93b6a2e SB |
1063 | log_err("fio: interface not valid interface IP\n"); |
1064 | close(fd); | |
1065 | return 1; | |
1066 | } | |
1067 | } else { | |
1068 | mr.imr_interface.s_addr = htonl(INADDR_ANY); | |
1069 | } | |
6611e9c7 | 1070 | |
f16b7405 | 1071 | if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&mr, sizeof(mr)) < 0) { |
b511c9aa SB |
1072 | td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); |
1073 | close(fd); | |
1074 | return 1; | |
1075 | } | |
1076 | } | |
1077 | ||
49ccb8c1 JA |
1078 | if (!is_ipv6(o)) { |
1079 | saddr = (struct sockaddr *) &nd->addr; | |
1080 | len = sizeof(nd->addr); | |
1081 | ||
1082 | nd->addr.sin_family = AF_INET; | |
1083 | nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); | |
1084 | nd->addr.sin_port = htons(port); | |
1085 | } else { | |
1086 | saddr = (struct sockaddr *) &nd->addr6; | |
1087 | len = sizeof(nd->addr6); | |
1088 | ||
1089 | nd->addr6.sin6_family = AF_INET6; | |
1090 | nd->addr6.sin6_addr = sin6.sin6_addr.s6_addr ? sin6.sin6_addr : in6addr_any; | |
1091 | nd->addr6.sin6_port = htons(port); | |
1092 | } | |
ed92ac0c | 1093 | |
49ccb8c1 | 1094 | if (bind(fd, saddr, len) < 0) { |
e1161c32 | 1095 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
1096 | return 1; |
1097 | } | |
0fd666bf JA |
1098 | |
1099 | nd->listenfd = fd; | |
1100 | return 0; | |
1101 | } | |
1102 | ||
de890a1e | 1103 | static int fio_netio_setup_listen(struct thread_data *td) |
0fd666bf JA |
1104 | { |
1105 | struct netio_data *nd = td->io_ops->data; | |
de890a1e | 1106 | struct netio_options *o = td->eo; |
0fd666bf JA |
1107 | int ret; |
1108 | ||
49ccb8c1 | 1109 | if (is_udp(o) || is_tcp(o)) |
de890a1e | 1110 | ret = fio_netio_setup_listen_inet(td, o->port); |
0fd666bf | 1111 | else |
de890a1e | 1112 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
0fd666bf JA |
1113 | |
1114 | if (ret) | |
1115 | return ret; | |
49ccb8c1 | 1116 | if (is_udp(o)) |
0fd666bf JA |
1117 | return 0; |
1118 | ||
1119 | if (listen(nd->listenfd, 10) < 0) { | |
e1161c32 | 1120 | td_verror(td, errno, "listen"); |
0fd666bf | 1121 | nd->listenfd = -1; |
ed92ac0c JA |
1122 | return 1; |
1123 | } | |
1124 | ||
b5af8293 | 1125 | return 0; |
ed92ac0c JA |
1126 | } |
1127 | ||
9bec88e1 | 1128 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 1129 | { |
de890a1e | 1130 | struct netio_options *o = td->eo; |
af52b345 | 1131 | int ret; |
ed92ac0c | 1132 | |
3f457bea BC |
1133 | #ifdef WIN32 |
1134 | WSADATA wsd; | |
1135 | WSAStartup(MAKEWORD(2,2), &wsd); | |
1136 | #endif | |
1137 | ||
16d55aae JA |
1138 | if (td_random(td)) { |
1139 | log_err("fio: network IO can't be random\n"); | |
1140 | return 1; | |
1141 | } | |
ed92ac0c | 1142 | |
de890a1e SL |
1143 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
1144 | log_err("fio: network IO port not valid with unix socket\n"); | |
1145 | return 1; | |
1146 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { | |
1147 | log_err("fio: network IO requires port for tcp or udp\n"); | |
1148 | return 1; | |
1149 | } | |
ed92ac0c | 1150 | |
49ccb8c1 | 1151 | if (!is_tcp(o)) { |
de890a1e | 1152 | if (o->listen) { |
9b986065 JA |
1153 | log_err("fio: listen only valid for TCP proto IO\n"); |
1154 | return 1; | |
de890a1e SL |
1155 | } |
1156 | if (td_rw(td)) { | |
9b986065 | 1157 | log_err("fio: datagram network connections must be" |
de890a1e | 1158 | " read OR write\n"); |
9b986065 JA |
1159 | return 1; |
1160 | } | |
1161 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { | |
1162 | log_err("fio: UNIX sockets need host/filename\n"); | |
1163 | return 1; | |
de890a1e SL |
1164 | } |
1165 | o->listen = td_read(td); | |
1166 | } | |
443662ef | 1167 | |
de890a1e SL |
1168 | if (o->listen) |
1169 | ret = fio_netio_setup_listen(td); | |
0fd666bf | 1170 | else |
de890a1e | 1171 | ret = fio_netio_setup_connect(td); |
ed92ac0c | 1172 | |
7bb48f84 | 1173 | return ret; |
ed92ac0c JA |
1174 | } |
1175 | ||
b5af8293 | 1176 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 1177 | { |
b5af8293 JA |
1178 | struct netio_data *nd = td->io_ops->data; |
1179 | ||
1180 | if (nd) { | |
64b24cd8 JA |
1181 | if (nd->listenfd != -1) |
1182 | close(nd->listenfd); | |
1183 | if (nd->pipes[0] != -1) | |
1184 | close(nd->pipes[0]); | |
1185 | if (nd->pipes[1] != -1) | |
1186 | close(nd->pipes[1]); | |
1187 | ||
b5af8293 | 1188 | free(nd); |
b5af8293 JA |
1189 | } |
1190 | } | |
1191 | ||
1192 | static int fio_netio_setup(struct thread_data *td) | |
1193 | { | |
7bb48f84 | 1194 | struct netio_data *nd; |
7bb48f84 | 1195 | |
de890a1e | 1196 | if (!td->files_index) { |
5903e7b7 | 1197 | add_file(td, td->o.filename ?: "net", 0, 0); |
de890a1e SL |
1198 | td->o.nr_files = td->o.nr_files ?: 1; |
1199 | } | |
1200 | ||
7bb48f84 JA |
1201 | if (!td->io_ops->data) { |
1202 | nd = malloc(sizeof(*nd));; | |
1203 | ||
1204 | memset(nd, 0, sizeof(*nd)); | |
1205 | nd->listenfd = -1; | |
64b24cd8 | 1206 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 1207 | td->io_ops->data = nd; |
7bb48f84 | 1208 | } |
b5af8293 | 1209 | |
9bec88e1 JA |
1210 | return 0; |
1211 | } | |
1212 | ||
36d80bc7 JA |
1213 | static void fio_netio_terminate(struct thread_data *td) |
1214 | { | |
1215 | kill(td->pid, SIGUSR2); | |
1216 | } | |
1217 | ||
67bf9823 | 1218 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 JA |
1219 | static int fio_netio_setup_splice(struct thread_data *td) |
1220 | { | |
1221 | struct netio_data *nd; | |
1222 | ||
1223 | fio_netio_setup(td); | |
1224 | ||
1225 | nd = td->io_ops->data; | |
1226 | if (nd) { | |
1227 | if (pipe(nd->pipes) < 0) | |
1228 | return 1; | |
1229 | ||
1230 | nd->use_splice = 1; | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | return 1; | |
1235 | } | |
1236 | ||
5921e80c | 1237 | static struct ioengine_ops ioengine_splice = { |
de890a1e SL |
1238 | .name = "netsplice", |
1239 | .version = FIO_IOOPS_VERSION, | |
1240 | .prep = fio_netio_prep, | |
1241 | .queue = fio_netio_queue, | |
1242 | .setup = fio_netio_setup_splice, | |
1243 | .init = fio_netio_init, | |
1244 | .cleanup = fio_netio_cleanup, | |
1245 | .open_file = fio_netio_open_file, | |
36d80bc7 JA |
1246 | .close_file = fio_netio_close_file, |
1247 | .terminate = fio_netio_terminate, | |
de890a1e SL |
1248 | .options = options, |
1249 | .option_struct_size = sizeof(struct netio_options), | |
1250 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
36d80bc7 | 1251 | FIO_PIPEIO, |
ed92ac0c | 1252 | }; |
5921e80c | 1253 | #endif |
ed92ac0c | 1254 | |
5921e80c | 1255 | static struct ioengine_ops ioengine_rw = { |
de890a1e SL |
1256 | .name = "net", |
1257 | .version = FIO_IOOPS_VERSION, | |
1258 | .prep = fio_netio_prep, | |
1259 | .queue = fio_netio_queue, | |
1260 | .setup = fio_netio_setup, | |
1261 | .init = fio_netio_init, | |
1262 | .cleanup = fio_netio_cleanup, | |
1263 | .open_file = fio_netio_open_file, | |
1264 | .close_file = fio_netio_close_file, | |
36d80bc7 | 1265 | .terminate = fio_netio_terminate, |
de890a1e SL |
1266 | .options = options, |
1267 | .option_struct_size = sizeof(struct netio_options), | |
1268 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | | |
ad705bcb | 1269 | FIO_PIPEIO | FIO_BIT_BASED, |
9cce02e8 JA |
1270 | }; |
1271 | ||
de890a1e SL |
1272 | static int str_hostname_cb(void *data, const char *input) |
1273 | { | |
1274 | struct netio_options *o = data; | |
1275 | ||
1276 | if (o->td->o.filename) | |
1277 | free(o->td->o.filename); | |
1278 | o->td->o.filename = strdup(input); | |
1279 | return 0; | |
1280 | } | |
1281 | ||
ed92ac0c JA |
1282 | static void fio_init fio_netio_register(void) |
1283 | { | |
9cce02e8 | 1284 | register_ioengine(&ioengine_rw); |
67bf9823 | 1285 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1286 | register_ioengine(&ioengine_splice); |
5921e80c | 1287 | #endif |
ed92ac0c JA |
1288 | } |
1289 | ||
1290 | static void fio_exit fio_netio_unregister(void) | |
1291 | { | |
9cce02e8 | 1292 | unregister_ioengine(&ioengine_rw); |
67bf9823 | 1293 | #ifdef CONFIG_LINUX_SPLICE |
9cce02e8 | 1294 | unregister_ioengine(&ioengine_splice); |
5921e80c | 1295 | #endif |
ed92ac0c | 1296 | } |