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