Commit | Line | Data |
---|---|---|
50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
142575e6 | 3 | #include <stdarg.h> |
50d16976 JA |
4 | #include <unistd.h> |
5 | #include <limits.h> | |
50d16976 | 6 | #include <errno.h> |
50d16976 | 7 | #include <sys/poll.h> |
50d16976 JA |
8 | #include <sys/types.h> |
9 | #include <sys/wait.h> | |
d05c4a03 | 10 | #include <sys/socket.h> |
87aa8f19 JA |
11 | #include <sys/stat.h> |
12 | #include <sys/un.h> | |
1f51bba9 | 13 | #include <sys/uio.h> |
50d16976 JA |
14 | #include <netinet/in.h> |
15 | #include <arpa/inet.h> | |
16 | #include <netdb.h> | |
e46d8091 | 17 | #include <syslog.h> |
9e22ecb0 | 18 | #include <signal.h> |
3989b143 | 19 | #ifdef CONFIG_ZLIB |
1b42725f | 20 | #include <zlib.h> |
3989b143 | 21 | #endif |
50d16976 JA |
22 | |
23 | #include "fio.h" | |
296ab20a | 24 | #include "options.h" |
132159a5 | 25 | #include "server.h" |
fcee5ff6 | 26 | #include "crc/crc16.h" |
c7c6cb4c | 27 | #include "lib/ieee754.h" |
ca09be4b JA |
28 | #include "verify.h" |
29 | #include "smalloc.h" | |
89cf1480 | 30 | |
5adc2447 | 31 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 32 | |
009b1be4 JA |
33 | int exit_backend = 0; |
34 | ||
f77d4b73 JA |
35 | enum { |
36 | SK_F_FREE = 1, | |
37 | SK_F_COPY = 2, | |
38 | SK_F_SIMPLE = 4, | |
02594e37 | 39 | SK_F_VEC = 8, |
f77d4b73 JA |
40 | }; |
41 | ||
42 | struct sk_entry { | |
43 | struct flist_head list; | |
44 | int opcode; | |
45 | void *buf; | |
46 | off_t size; | |
47 | uint64_t *tagptr; | |
48 | int flags; | |
02594e37 | 49 | struct flist_head next; |
f77d4b73 JA |
50 | }; |
51 | ||
52 | struct sk_out { | |
53 | int sk; | |
54 | struct fio_mutex *lock; | |
55 | struct flist_head list; | |
56 | struct fio_mutex *wait; | |
57 | }; | |
58 | ||
87aa8f19 JA |
59 | static char *fio_server_arg; |
60 | static char *bind_sock; | |
61 | static struct sockaddr_in saddr_in; | |
811826be | 62 | static struct sockaddr_in6 saddr_in6; |
811826be | 63 | static int use_ipv6; |
3989b143 JA |
64 | #ifdef CONFIG_ZLIB |
65 | static unsigned int has_zlib = 1; | |
66 | #else | |
67 | static unsigned int has_zlib = 0; | |
68 | #endif | |
69 | static unsigned int use_zlib; | |
ca09be4b | 70 | static char me[128]; |
37db14fe | 71 | |
f77d4b73 JA |
72 | static pthread_key_t sk_out_key; |
73 | ||
122c7725 JA |
74 | struct fio_fork_item { |
75 | struct flist_head list; | |
76 | int exitval; | |
77 | int signal; | |
78 | int exited; | |
79 | pid_t pid; | |
80 | }; | |
81 | ||
ca09be4b JA |
82 | struct cmd_reply { |
83 | struct fio_mutex lock; | |
84 | void *data; | |
85 | size_t size; | |
86 | int error; | |
87 | }; | |
88 | ||
89c1707c JA |
89 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
90 | "", | |
91 | "QUIT", | |
92 | "EXIT", | |
93 | "JOB", | |
94 | "JOBLINE", | |
95 | "TEXT", | |
96 | "TS", | |
97 | "GS", | |
98 | "SEND_ETA", | |
99 | "ETA", | |
100 | "PROBE", | |
101 | "START", | |
d09a64a0 JA |
102 | "STOP", |
103 | "DISK_UTIL", | |
b9d2f30a | 104 | "SERVER_START", |
807f9971 | 105 | "ADD_JOB", |
ca09be4b JA |
106 | "RUN", |
107 | "IOLOG", | |
108 | "UPDATE_JOB", | |
109 | "LOAD_FILE", | |
110 | "VTRIGGER", | |
111 | "SENDFILE", | |
89c1707c JA |
112 | }; |
113 | ||
f77d4b73 JA |
114 | static void sk_lock(struct sk_out *sk_out) |
115 | { | |
116 | fio_mutex_down(sk_out->lock); | |
117 | } | |
118 | ||
119 | static void sk_unlock(struct sk_out *sk_out) | |
120 | { | |
121 | fio_mutex_up(sk_out->lock); | |
122 | } | |
123 | ||
89c1707c JA |
124 | const char *fio_server_op(unsigned int op) |
125 | { | |
126 | static char buf[32]; | |
127 | ||
128 | if (op < FIO_NET_CMD_NR) | |
129 | return fio_server_ops[op]; | |
130 | ||
131 | sprintf(buf, "UNKNOWN/%d", op); | |
132 | return buf; | |
133 | } | |
134 | ||
5235f626 | 135 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 136 | { |
5235f626 | 137 | ssize_t ret = 0; |
794d69ca | 138 | |
5235f626 JA |
139 | while (count--) { |
140 | ret += iov->iov_len; | |
141 | iov++; | |
142 | } | |
143 | ||
144 | return ret; | |
145 | } | |
132159a5 | 146 | |
5235f626 JA |
147 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
148 | { | |
149 | ssize_t total_len = iov_total_len(iov, count); | |
150 | ssize_t ret; | |
151 | ||
152 | do { | |
153 | ret = writev(sk, iov, count); | |
132159a5 | 154 | if (ret > 0) { |
5235f626 JA |
155 | total_len -= ret; |
156 | if (!total_len) | |
132159a5 | 157 | break; |
5235f626 JA |
158 | |
159 | while (ret) { | |
160 | if (ret >= iov->iov_len) { | |
161 | ret -= iov->iov_len; | |
162 | iov++; | |
163 | continue; | |
164 | } | |
165 | iov->iov_base += ret; | |
166 | iov->iov_len -= ret; | |
167 | ret = 0; | |
168 | } | |
132159a5 JA |
169 | } else if (!ret) |
170 | break; | |
171 | else if (errno == EAGAIN || errno == EINTR) | |
172 | continue; | |
7b821684 JA |
173 | else |
174 | break; | |
132159a5 JA |
175 | } while (!exit_backend); |
176 | ||
5235f626 | 177 | if (!total_len) |
132159a5 JA |
178 | return 0; |
179 | ||
8b4e61b2 JA |
180 | if (errno) |
181 | return -errno; | |
182 | ||
132159a5 JA |
183 | return 1; |
184 | } | |
185 | ||
5235f626 JA |
186 | int fio_send_data(int sk, const void *p, unsigned int len) |
187 | { | |
188 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
189 | ||
190 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
191 | ||
192 | return fio_sendv_data(sk, &iov, 1); | |
193 | } | |
194 | ||
132159a5 JA |
195 | int fio_recv_data(int sk, void *p, unsigned int len) |
196 | { | |
197 | do { | |
198 | int ret = recv(sk, p, len, MSG_WAITALL); | |
199 | ||
200 | if (ret > 0) { | |
201 | len -= ret; | |
202 | if (!len) | |
203 | break; | |
204 | p += ret; | |
205 | continue; | |
206 | } else if (!ret) | |
207 | break; | |
208 | else if (errno == EAGAIN || errno == EINTR) | |
209 | continue; | |
7b821684 JA |
210 | else |
211 | break; | |
132159a5 JA |
212 | } while (!exit_backend); |
213 | ||
214 | if (!len) | |
215 | return 0; | |
216 | ||
217 | return -1; | |
218 | } | |
219 | ||
220 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
221 | { | |
fcee5ff6 | 222 | uint16_t crc; |
132159a5 | 223 | |
fcee5ff6 JA |
224 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
225 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 226 | |
25dfa848 | 227 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 228 | if (crc != cmd->cmd_crc16) { |
132159a5 | 229 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 230 | cmd->cmd_crc16, crc); |
132159a5 JA |
231 | return 1; |
232 | } | |
233 | ||
234 | cmd->version = le16_to_cpu(cmd->version); | |
235 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
236 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 237 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
238 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
239 | ||
240 | switch (cmd->version) { | |
fa2ea806 | 241 | case FIO_SERVER_VER: |
132159a5 JA |
242 | break; |
243 | default: | |
244 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
245 | return 1; | |
246 | } | |
247 | ||
b9d2f30a | 248 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
249 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
250 | return 1; | |
251 | } | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
a64e88da JA |
256 | /* |
257 | * Read (and defragment, if necessary) incoming commands | |
258 | */ | |
e951bdc4 | 259 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 260 | { |
dfbf1f6f | 261 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 262 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 263 | uint16_t crc; |
a64e88da JA |
264 | int ret, first = 1; |
265 | void *pdu = NULL; | |
132159a5 | 266 | |
a64e88da JA |
267 | do { |
268 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
269 | if (ret) | |
270 | break; | |
132159a5 | 271 | |
a64e88da JA |
272 | /* We have a command, verify it and swap if need be */ |
273 | ret = verify_convert_cmd(&cmd); | |
274 | if (ret) | |
275 | break; | |
132159a5 | 276 | |
0b8f30a5 JA |
277 | if (first) { |
278 | /* if this is text, add room for \0 at the end */ | |
279 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
280 | assert(!cmdret); | |
281 | } else | |
a64e88da | 282 | cmd_size += cmd.pdu_len; |
132159a5 | 283 | |
dfbf1f6f JA |
284 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
285 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
286 | ret = 1; | |
287 | break; | |
288 | } | |
289 | ||
290 | tmp = realloc(cmdret, cmd_size); | |
291 | if (!tmp) { | |
292 | log_err("fio: server failed allocating cmd\n"); | |
293 | ret = 1; | |
294 | break; | |
295 | } | |
296 | cmdret = tmp; | |
132159a5 | 297 | |
a64e88da JA |
298 | if (first) |
299 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
300 | else if (cmdret->opcode != cmd.opcode) { |
301 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
302 | cmdret->opcode, cmd.opcode); | |
303 | ret = 1; | |
304 | break; | |
305 | } | |
a64e88da JA |
306 | |
307 | if (!cmd.pdu_len) | |
308 | break; | |
309 | ||
310 | /* There's payload, get it */ | |
311 | pdu = (void *) cmdret->payload + pdu_offset; | |
312 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
313 | if (ret) | |
314 | break; | |
315 | ||
316 | /* Verify payload crc */ | |
25dfa848 | 317 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
318 | if (crc != cmd.pdu_crc16) { |
319 | log_err("fio: server bad crc on payload "); | |
320 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
321 | ret = 1; | |
322 | break; | |
323 | } | |
324 | ||
325 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
326 | if (!first) |
327 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
328 | first = 0; |
329 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 330 | |
a64e88da JA |
331 | if (ret) { |
332 | free(cmdret); | |
333 | cmdret = NULL; | |
0b8f30a5 JA |
334 | } else if (cmdret) { |
335 | /* zero-terminate text input */ | |
084d1c6f JA |
336 | if (cmdret->pdu_len) { |
337 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
338 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
339 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 340 | |
8a1db9a1 | 341 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 342 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
343 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
344 | char *buf = (char *) __pdu->buf; | |
345 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 346 | |
46bcd498 | 347 | buf[len] = '\0'; |
084d1c6f | 348 | } |
0b8f30a5 | 349 | } |
084d1c6f | 350 | |
0b8f30a5 | 351 | /* frag flag is internal */ |
a64e88da | 352 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 353 | } |
a64e88da JA |
354 | |
355 | return cmdret; | |
132159a5 JA |
356 | } |
357 | ||
40c60516 JA |
358 | static void add_reply(uint64_t tag, struct flist_head *list) |
359 | { | |
a572bbfb | 360 | struct fio_net_cmd_reply *reply; |
40c60516 | 361 | |
a572bbfb | 362 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
363 | flist_add_tail(&reply->list, list); |
364 | } | |
365 | ||
366 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
367 | { | |
368 | struct fio_net_cmd_reply *reply; | |
369 | ||
370 | reply = calloc(1, sizeof(*reply)); | |
371 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 372 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
373 | reply->saved_tag = tag; |
374 | reply->opcode = opcode; | |
375 | ||
376 | return (uintptr_t) reply; | |
377 | } | |
378 | ||
379 | static void free_reply(uint64_t tag) | |
380 | { | |
a572bbfb | 381 | struct fio_net_cmd_reply *reply; |
40c60516 | 382 | |
a572bbfb | 383 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
384 | free(reply); |
385 | } | |
386 | ||
53bd8dbc | 387 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
388 | { |
389 | uint32_t pdu_len; | |
390 | ||
25dfa848 | 391 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
392 | |
393 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
394 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
395 | } | |
396 | ||
397 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
398 | { | |
399 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
400 | } |
401 | ||
af9c9fb3 | 402 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 403 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 404 | { |
7f868316 JA |
405 | struct fio_net_cmd *cmd = NULL; |
406 | size_t this_len, cur_len = 0; | |
40c60516 | 407 | uint64_t tag; |
794d69ca JA |
408 | int ret; |
409 | ||
40c60516 JA |
410 | if (list) { |
411 | assert(tagptr); | |
412 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
413 | } else | |
414 | tag = tagptr ? *tagptr : 0; | |
415 | ||
794d69ca JA |
416 | do { |
417 | this_len = size; | |
b9d2f30a JA |
418 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
419 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 420 | |
7f868316 JA |
421 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
422 | if (cmd) | |
423 | free(cmd); | |
424 | ||
425 | cur_len = sizeof(*cmd) + this_len; | |
426 | cmd = malloc(cur_len); | |
427 | } | |
794d69ca | 428 | |
af9c9fb3 | 429 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
430 | |
431 | if (this_len < size) | |
ddcc0b69 | 432 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
433 | |
434 | fio_net_cmd_crc(cmd); | |
435 | ||
436 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
437 | size -= this_len; |
438 | buf += this_len; | |
439 | } while (!ret && size); | |
440 | ||
40c60516 JA |
441 | if (list) { |
442 | if (ret) | |
443 | free_reply(tag); | |
444 | else | |
445 | add_reply(tag, list); | |
446 | } | |
447 | ||
7f868316 JA |
448 | if (cmd) |
449 | free(cmd); | |
450 | ||
794d69ca JA |
451 | return ret; |
452 | } | |
453 | ||
02594e37 JA |
454 | struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, |
455 | uint64_t *tagptr, int flags) | |
f77d4b73 | 456 | { |
f77d4b73 JA |
457 | struct sk_entry *entry; |
458 | ||
459 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 460 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
461 | entry->opcode = opcode; |
462 | if (flags & SK_F_COPY) { | |
463 | entry->buf = smalloc(size); | |
464 | memcpy(entry->buf, buf, size); | |
465 | } else | |
466 | entry->buf = buf; | |
467 | entry->size = size; | |
468 | entry->tagptr = tagptr; | |
469 | entry->flags = flags; | |
470 | ||
02594e37 JA |
471 | return entry; |
472 | } | |
473 | ||
474 | static void fio_net_queue_entry(struct sk_entry *entry) | |
475 | { | |
476 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
477 | ||
f77d4b73 JA |
478 | sk_lock(sk_out); |
479 | flist_add_tail(&entry->list, &sk_out->list); | |
480 | sk_unlock(sk_out); | |
481 | ||
482 | fio_mutex_up(sk_out->wait); | |
02594e37 | 483 | } |
f77d4b73 | 484 | |
02594e37 JA |
485 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
486 | uint64_t *tagptr, int flags) | |
487 | { | |
488 | struct sk_entry *entry; | |
489 | ||
490 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
491 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
492 | return 0; |
493 | } | |
494 | ||
89c1707c | 495 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 496 | { |
178cde9f | 497 | struct fio_net_cmd cmd; |
132159a5 | 498 | |
af9c9fb3 | 499 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
500 | fio_net_cmd_crc(&cmd); |
501 | ||
502 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
503 | } | |
504 | ||
89c1707c JA |
505 | /* |
506 | * If 'list' is non-NULL, then allocate and store the sent command for | |
507 | * later verification. | |
508 | */ | |
509 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
510 | struct flist_head *list) | |
511 | { | |
89c1707c JA |
512 | int ret; |
513 | ||
40c60516 JA |
514 | if (list) |
515 | tag = alloc_reply(tag, opcode); | |
89c1707c | 516 | |
40c60516 | 517 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 518 | if (ret) { |
40c60516 JA |
519 | if (list) |
520 | free_reply(tag); | |
521 | ||
89c1707c JA |
522 | return ret; |
523 | } | |
524 | ||
40c60516 JA |
525 | if (list) |
526 | add_reply(tag, list); | |
527 | ||
89c1707c JA |
528 | return 0; |
529 | } | |
530 | ||
f77d4b73 JA |
531 | static int fio_net_queue_quit(void) |
532 | { | |
533 | dprint(FD_NET, "server: sending quit\n"); | |
534 | ||
535 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
536 | } | |
537 | ||
122c7725 | 538 | int fio_net_send_quit(int sk) |
437377e1 | 539 | { |
46c48f1f | 540 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 541 | |
8c95307b | 542 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
543 | } |
544 | ||
f77d4b73 | 545 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 546 | { |
11e950bd | 547 | struct cmd_end_pdu epdu; |
f58bd2a4 | 548 | uint64_t tag = 0; |
122c7725 | 549 | |
f58bd2a4 JA |
550 | if (cmd) |
551 | tag = cmd->tag; | |
122c7725 JA |
552 | |
553 | epdu.error = __cpu_to_le32(error); | |
554 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 555 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
556 | } |
557 | ||
f77d4b73 | 558 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
559 | { |
560 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 561 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
562 | } |
563 | ||
564 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
565 | { | |
566 | struct fio_fork_item *ffi; | |
567 | ||
568 | ffi = malloc(sizeof(*ffi)); | |
569 | ffi->exitval = 0; | |
570 | ffi->signal = 0; | |
571 | ffi->exited = 0; | |
572 | ffi->pid = pid; | |
573 | flist_add_tail(&ffi->list, list); | |
574 | } | |
575 | ||
6348b5de | 576 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 577 | { |
a7533dbd | 578 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 579 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
580 | } |
581 | ||
6348b5de | 582 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 583 | { |
a7533dbd | 584 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 585 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
586 | } |
587 | ||
588 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
589 | { | |
590 | int ret, status; | |
591 | ||
592 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
593 | if (ret < 0) { | |
594 | if (errno == ECHILD) { | |
a7533dbd | 595 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
596 | ffi->exited = 1; |
597 | } else | |
598 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
599 | } else if (ret == ffi->pid) { | |
600 | if (WIFSIGNALED(status)) { | |
601 | ffi->signal = WTERMSIG(status); | |
602 | ffi->exited = 1; | |
603 | } | |
604 | if (WIFEXITED(status)) { | |
605 | if (WEXITSTATUS(status)) | |
606 | ffi->exitval = WEXITSTATUS(status); | |
607 | ffi->exited = 1; | |
608 | } | |
609 | } | |
610 | } | |
611 | ||
f77d4b73 | 612 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 613 | { |
a7533dbd | 614 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
615 | |
616 | /* | |
617 | * Fold STOP and QUIT... | |
618 | */ | |
f77d4b73 JA |
619 | if (stop) { |
620 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
621 | fio_net_queue_quit(); | |
622 | } | |
623 | ||
122c7725 JA |
624 | flist_del(&ffi->list); |
625 | free(ffi); | |
626 | } | |
627 | ||
f77d4b73 | 628 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
629 | { |
630 | struct flist_head *entry, *tmp; | |
631 | struct fio_fork_item *ffi; | |
632 | ||
633 | flist_for_each_safe(entry, tmp, list) { | |
634 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
635 | ||
636 | fio_server_check_fork_item(ffi); | |
637 | ||
638 | if (ffi->exited) | |
f77d4b73 | 639 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
640 | } |
641 | } | |
642 | ||
6348b5de | 643 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 644 | { |
f77d4b73 | 645 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
646 | } |
647 | ||
6348b5de | 648 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 649 | { |
f77d4b73 | 650 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
651 | } |
652 | ||
323255cc JA |
653 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
654 | { | |
655 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
656 | void *file_name = pdu->file; | |
657 | struct cmd_start_pdu spdu; | |
658 | ||
659 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
660 | ||
661 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
662 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
663 | ||
664 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 665 | fio_net_queue_quit(); |
323255cc JA |
666 | return -1; |
667 | } | |
668 | ||
669 | spdu.jobs = cpu_to_le32(thread_number); | |
670 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 671 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
672 | return 0; |
673 | } | |
674 | ||
f77d4b73 JA |
675 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
676 | struct fio_net_cmd *cmd) | |
122c7725 | 677 | { |
f77d4b73 | 678 | struct backend_data data; |
122c7725 | 679 | pid_t pid; |
a64e88da | 680 | int ret; |
132159a5 | 681 | |
cbb1303c | 682 | fio_time_init(); |
122c7725 | 683 | set_genesis_time(); |
11e950bd | 684 | |
122c7725 JA |
685 | pid = fork(); |
686 | if (pid) { | |
6348b5de | 687 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
688 | return 0; |
689 | } | |
11e950bd | 690 | |
f77d4b73 JA |
691 | data.key = sk_out_key; |
692 | data.ptr = sk_out; | |
693 | //pthread_setspecific(sk_out_key, sk_out); | |
694 | ret = fio_backend(&data); | |
2bb3f0a7 | 695 | free_threads_shm(); |
122c7725 | 696 | _exit(ret); |
81179eec JA |
697 | } |
698 | ||
b9d2f30a JA |
699 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
700 | { | |
46bcd498 JA |
701 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
702 | void *buf = pdu->buf; | |
b9d2f30a JA |
703 | struct cmd_start_pdu spdu; |
704 | ||
46bcd498 JA |
705 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
706 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
707 | ||
708 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 709 | fio_net_queue_quit(); |
b9d2f30a JA |
710 | return -1; |
711 | } | |
712 | ||
713 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 714 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
715 | |
716 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
717 | return 0; |
718 | } | |
719 | ||
81179eec JA |
720 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
721 | { | |
fa2ea806 JA |
722 | void *pdu = cmd->payload; |
723 | struct cmd_single_line_pdu *cslp; | |
724 | struct cmd_line_pdu *clp; | |
725 | unsigned long offset; | |
b9d2f30a | 726 | struct cmd_start_pdu spdu; |
fa2ea806 | 727 | char **argv; |
b9d2f30a | 728 | int i; |
81179eec | 729 | |
fa2ea806 JA |
730 | clp = pdu; |
731 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 732 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
733 | argv = malloc(clp->lines * sizeof(char *)); |
734 | offset = sizeof(*clp); | |
81179eec | 735 | |
fa2ea806 | 736 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 737 | |
fa2ea806 JA |
738 | for (i = 0; i < clp->lines; i++) { |
739 | cslp = pdu + offset; | |
740 | argv[i] = (char *) cslp->text; | |
741 | ||
742 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
743 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
744 | } | |
81179eec | 745 | |
46bcd498 | 746 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 747 | fio_net_queue_quit(); |
fa2ea806 | 748 | free(argv); |
81179eec | 749 | return -1; |
e6d1c668 | 750 | } |
81179eec | 751 | |
fa2ea806 JA |
752 | free(argv); |
753 | ||
b9d2f30a | 754 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 755 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
756 | |
757 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 758 | return 0; |
132159a5 JA |
759 | } |
760 | ||
c28e8e8c JA |
761 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
762 | { | |
3989b143 JA |
763 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
764 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 765 | uint64_t tag = cmd->tag; |
c28e8e8c | 766 | |
89c1707c JA |
767 | dprint(FD_NET, "server: sending probe reply\n"); |
768 | ||
ca09be4b JA |
769 | strcpy(me, (char *) pdu->server); |
770 | ||
c28e8e8c JA |
771 | memset(&probe, 0, sizeof(probe)); |
772 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 773 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
774 | probe.bigendian = 1; |
775 | #endif | |
750db473 | 776 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 777 | |
cca84643 JA |
778 | probe.os = FIO_OS; |
779 | probe.arch = FIO_ARCH; | |
38fdef22 | 780 | probe.bpp = sizeof(void *); |
d31e26d0 | 781 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
782 | |
783 | /* | |
784 | * If the client supports compression and we do too, then enable it | |
785 | */ | |
786 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
787 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
788 | use_zlib = 1; | |
789 | } else { | |
790 | probe.flags = 0; | |
791 | use_zlib = 0; | |
792 | } | |
38fdef22 | 793 | |
f77d4b73 | 794 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
795 | } |
796 | ||
797 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
798 | { | |
799 | struct jobs_eta *je; | |
40c60516 | 800 | uint64_t tag = cmd->tag; |
723297c9 | 801 | size_t size; |
af9c9fb3 JA |
802 | int i; |
803 | ||
e123c833 JA |
804 | dprint(FD_NET, "server sending status\n"); |
805 | ||
806 | /* | |
807 | * Fake ETA return if we don't have a local one, otherwise the client | |
808 | * will end up timing out waiting for a response to the ETA request | |
809 | */ | |
c5103619 | 810 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
811 | if (!je) { |
812 | size = sizeof(*je); | |
813 | je = calloc(1, size); | |
814 | } else { | |
e123c833 JA |
815 | je->nr_running = cpu_to_le32(je->nr_running); |
816 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
817 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
818 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
819 | je->files_open = cpu_to_le32(je->files_open); | |
820 | ||
821 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
822 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
823 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
824 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
825 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
826 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
827 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
828 | } | |
af9c9fb3 | 829 | |
e123c833 JA |
830 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
831 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
832 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
833 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
834 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
835 | } |
836 | ||
f77d4b73 | 837 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 838 | return 0; |
c28e8e8c JA |
839 | } |
840 | ||
f77d4b73 | 841 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
842 | { |
843 | uint64_t tag = __tag; | |
844 | uint32_t pdu_error; | |
845 | ||
846 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 847 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
848 | } |
849 | ||
f58bd2a4 JA |
850 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
851 | { | |
852 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
853 | struct thread_data *td; | |
854 | uint32_t tnumber; | |
855 | ||
856 | tnumber = le32_to_cpu(pdu->thread_number); | |
857 | ||
858 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
859 | ||
30ffacbf | 860 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 861 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
862 | return 0; |
863 | } | |
864 | ||
30ffacbf | 865 | td = &threads[tnumber - 1]; |
f58bd2a4 | 866 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 867 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
868 | return 0; |
869 | } | |
870 | ||
ca09be4b JA |
871 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
872 | { | |
873 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
874 | char *buf = (char *) pdu->cmd; | |
875 | struct all_io_list *rep; | |
876 | size_t sz; | |
877 | ||
878 | pdu->len = le16_to_cpu(pdu->len); | |
879 | buf[pdu->len] = '\0'; | |
880 | ||
881 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
882 | if (!rep) { | |
883 | struct all_io_list state; | |
884 | ||
885 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
886 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
887 | } else | |
888 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
889 | |
890 | exec_trigger(buf); | |
891 | return 0; | |
892 | } | |
893 | ||
f77d4b73 JA |
894 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
895 | struct fio_net_cmd *cmd) | |
132159a5 JA |
896 | { |
897 | int ret; | |
898 | ||
4b91ee8f JA |
899 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
900 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
901 | (unsigned long long) cmd->tag); | |
46c48f1f | 902 | |
132159a5 JA |
903 | switch (cmd->opcode) { |
904 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 905 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
906 | ret = 0; |
907 | break; | |
d7959186 | 908 | case FIO_NET_CMD_EXIT: |
132159a5 | 909 | exit_backend = 1; |
c28e8e8c | 910 | return -1; |
323255cc JA |
911 | case FIO_NET_CMD_LOAD_FILE: |
912 | ret = handle_load_file_cmd(cmd); | |
913 | break; | |
132159a5 | 914 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 915 | ret = handle_job_cmd(cmd); |
132159a5 | 916 | break; |
81179eec JA |
917 | case FIO_NET_CMD_JOBLINE: |
918 | ret = handle_jobline_cmd(cmd); | |
919 | break; | |
c28e8e8c JA |
920 | case FIO_NET_CMD_PROBE: |
921 | ret = handle_probe_cmd(cmd); | |
922 | break; | |
af9c9fb3 JA |
923 | case FIO_NET_CMD_SEND_ETA: |
924 | ret = handle_send_eta_cmd(cmd); | |
925 | break; | |
b9d2f30a | 926 | case FIO_NET_CMD_RUN: |
f77d4b73 | 927 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 928 | break; |
f58bd2a4 JA |
929 | case FIO_NET_CMD_UPDATE_JOB: |
930 | ret = handle_update_job_cmd(cmd); | |
931 | break; | |
ca09be4b JA |
932 | case FIO_NET_CMD_VTRIGGER: |
933 | ret = handle_trigger_cmd(cmd); | |
934 | break; | |
935 | case FIO_NET_CMD_SENDFILE: { | |
936 | struct cmd_sendfile_reply *in; | |
937 | struct cmd_reply *rep; | |
938 | ||
939 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
940 | ||
941 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
942 | in->size = le32_to_cpu(in->size); | |
943 | in->error = le32_to_cpu(in->error); | |
944 | if (in->error) { | |
945 | ret = 1; | |
946 | rep->error = in->error; | |
947 | } else { | |
948 | ret = 0; | |
949 | rep->data = smalloc(in->size); | |
950 | if (!rep->data) { | |
951 | ret = 1; | |
952 | rep->error = ENOMEM; | |
953 | } else { | |
954 | rep->size = in->size; | |
955 | memcpy(rep->data, in->data, in->size); | |
956 | } | |
957 | } | |
958 | fio_mutex_up(&rep->lock); | |
959 | break; | |
960 | } | |
132159a5 | 961 | default: |
3c3ed070 | 962 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
963 | ret = 1; |
964 | } | |
965 | ||
966 | return ret; | |
967 | } | |
968 | ||
02594e37 JA |
969 | /* |
970 | * Send a command with a separate PDU, not inlined in the command | |
971 | */ | |
972 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
973 | off_t size, uint64_t tag, uint32_t flags) | |
974 | { | |
975 | struct fio_net_cmd cmd; | |
976 | struct iovec iov[2]; | |
977 | ||
978 | iov[0].iov_base = (void *) &cmd; | |
979 | iov[0].iov_len = sizeof(cmd); | |
980 | iov[1].iov_base = (void *) buf; | |
981 | iov[1].iov_len = size; | |
982 | ||
983 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
984 | cmd.flags = __cpu_to_le32(flags); | |
985 | fio_net_cmd_crc_pdu(&cmd, buf); | |
986 | ||
987 | return fio_sendv_data(sk, iov, 2); | |
988 | } | |
989 | ||
990 | static void finish_entry(struct sk_entry *entry) | |
991 | { | |
992 | if (entry->flags & SK_F_FREE) | |
993 | free(entry->buf); | |
994 | else if (entry->flags & SK_F_COPY) | |
995 | sfree(entry->buf); | |
996 | ||
997 | sfree(entry); | |
998 | } | |
999 | ||
1000 | static void send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) | |
1001 | { | |
1002 | uint64_t tag; | |
1003 | int flags; | |
1004 | ||
1005 | if (!flist_empty(&first->next)) | |
1006 | flags = FIO_NET_CMD_F_MORE; | |
1007 | else | |
1008 | flags = 0; | |
1009 | ||
1010 | if (first->tagptr) | |
1011 | tag = *first->tagptr; | |
1012 | else | |
1013 | tag = 0; | |
1014 | ||
1015 | fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags); | |
1016 | ||
1017 | while (!flist_empty(&first->next)) { | |
1018 | struct sk_entry *next; | |
1019 | ||
1020 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1021 | flist_del_init(&next->list); | |
1022 | if (flist_empty(&first->next)) | |
1023 | flags = 0; | |
1024 | ||
1025 | if (next->tagptr) | |
1026 | tag = *next->tagptr; | |
1027 | else | |
1028 | tag = 0; | |
1029 | ||
1030 | fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags); | |
1031 | finish_entry(next); | |
1032 | } | |
1033 | } | |
1034 | ||
f77d4b73 JA |
1035 | static void handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
1036 | { | |
02594e37 JA |
1037 | if (entry->flags & SK_F_VEC) |
1038 | send_vec_entry(sk_out, entry); | |
f77d4b73 JA |
1039 | if (entry->flags & SK_F_SIMPLE) { |
1040 | uint64_t tag = 0; | |
1041 | ||
1042 | if (entry->tagptr) | |
1043 | tag = *entry->tagptr; | |
1044 | ||
1045 | fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); | |
1046 | } else | |
1047 | fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); | |
1048 | ||
02594e37 | 1049 | finish_entry(entry); |
f77d4b73 JA |
1050 | } |
1051 | ||
1052 | static void handle_xmits(struct sk_out *sk_out) | |
1053 | { | |
1054 | struct sk_entry *entry; | |
1055 | FLIST_HEAD(list); | |
1056 | ||
1057 | sk_lock(sk_out); | |
1058 | if (flist_empty(&sk_out->list)) { | |
1059 | sk_unlock(sk_out); | |
1060 | return; | |
1061 | } | |
1062 | ||
1063 | flist_splice_init(&sk_out->list, &list); | |
1064 | sk_unlock(sk_out); | |
1065 | ||
1066 | while (!flist_empty(&list)) { | |
1067 | entry = flist_entry(list.next, struct sk_entry, list); | |
1068 | flist_del(&entry->list); | |
1069 | handle_sk_entry(sk_out, entry); | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1074 | { |
1075 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1076 | FLIST_HEAD(job_list); |
132159a5 JA |
1077 | int ret = 0; |
1078 | ||
122c7725 | 1079 | reset_fio_state(); |
122c7725 | 1080 | |
132159a5 JA |
1081 | /* read forever */ |
1082 | while (!exit_backend) { | |
e951bdc4 | 1083 | struct pollfd pfd = { |
f77d4b73 | 1084 | .fd = sk_out->sk, |
e951bdc4 JA |
1085 | .events = POLLIN, |
1086 | }; | |
1087 | ||
1088 | ret = 0; | |
1089 | do { | |
54163255 JA |
1090 | int timeout = 1000; |
1091 | ||
1092 | if (!flist_empty(&job_list)) | |
1093 | timeout = 100; | |
3c3ed070 | 1094 | |
f77d4b73 JA |
1095 | handle_xmits(sk_out); |
1096 | ||
1097 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1098 | if (ret < 0) { |
1099 | if (errno == EINTR) | |
1100 | break; | |
1101 | log_err("fio: poll: %s\n", strerror(errno)); | |
1102 | break; | |
19c65179 | 1103 | } else if (!ret) { |
6348b5de | 1104 | fio_server_check_jobs(&job_list); |
f77d4b73 | 1105 | fio_mutex_down_timeout(sk_out->wait, timeout); |
e951bdc4 | 1106 | continue; |
19c65179 | 1107 | } |
e951bdc4 JA |
1108 | |
1109 | if (pfd.revents & POLLIN) | |
1110 | break; | |
1111 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1112 | ret = 1; | |
1113 | break; | |
1114 | } | |
19c65179 | 1115 | } while (!exit_backend); |
e951bdc4 | 1116 | |
6348b5de | 1117 | fio_server_check_jobs(&job_list); |
122c7725 | 1118 | |
e951bdc4 JA |
1119 | if (ret < 0) |
1120 | break; | |
1121 | ||
f77d4b73 | 1122 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1123 | if (!cmd) { |
c28e8e8c | 1124 | ret = -1; |
132159a5 JA |
1125 | break; |
1126 | } | |
1127 | ||
f77d4b73 | 1128 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1129 | if (ret) |
1130 | break; | |
1131 | ||
1132 | free(cmd); | |
c77a99e7 | 1133 | cmd = NULL; |
132159a5 JA |
1134 | } |
1135 | ||
1136 | if (cmd) | |
1137 | free(cmd); | |
1138 | ||
f77d4b73 JA |
1139 | handle_xmits(sk_out); |
1140 | ||
1141 | close(sk_out->sk); | |
122c7725 | 1142 | _exit(ret); |
cc0df00a JA |
1143 | } |
1144 | ||
296ab20a BE |
1145 | /* get the address on this host bound by the input socket, |
1146 | * whether it is ipv6 or ipv4 */ | |
1147 | ||
f77d4b73 | 1148 | int get_my_addr_str(int sk) |
296ab20a | 1149 | { |
f77d4b73 JA |
1150 | struct sockaddr_in6 myaddr6 = { 0, }; |
1151 | struct sockaddr_in myaddr4 = { 0, }; | |
1152 | struct sockaddr *sockaddr_p; | |
1153 | char *net_addr; | |
1154 | socklen_t len; | |
1155 | int ret; | |
296ab20a | 1156 | |
f77d4b73 JA |
1157 | if (use_ipv6) { |
1158 | len = sizeof(myaddr6); | |
296ab20a | 1159 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1160 | net_addr = (char * )&myaddr6.sin6_addr; |
1161 | } else { | |
1162 | len = sizeof(myaddr4); | |
296ab20a | 1163 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1164 | net_addr = (char * )&myaddr4.sin_addr; |
1165 | } | |
1166 | ||
296ab20a BE |
1167 | ret = getsockname(sk, sockaddr_p, &len); |
1168 | if (ret) { | |
1169 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1170 | return -1; |
1171 | } | |
f77d4b73 JA |
1172 | |
1173 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1174 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1175 | return -1; |
1176 | } | |
f77d4b73 | 1177 | |
296ab20a BE |
1178 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1179 | return 0; | |
1180 | } | |
1181 | ||
50d16976 JA |
1182 | static int accept_loop(int listen_sk) |
1183 | { | |
bb447a27 | 1184 | struct sockaddr_in addr; |
479471c4 JA |
1185 | struct sockaddr_in6 addr6; |
1186 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1187 | struct pollfd pfd; |
4a851614 | 1188 | int ret = 0, sk, exitval = 0; |
f77d4b73 | 1189 | struct sk_out *sk_out; |
6348b5de | 1190 | FLIST_HEAD(conn_list); |
50d16976 | 1191 | |
60efd14e JA |
1192 | dprint(FD_NET, "server enter accept loop\n"); |
1193 | ||
4a851614 | 1194 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1195 | |
f77d4b73 JA |
1196 | sk_out = smalloc(sizeof(*sk_out)); |
1197 | INIT_FLIST_HEAD(&sk_out->list); | |
1198 | sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); | |
1199 | sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED); | |
1200 | ||
1201 | pthread_setspecific(sk_out_key, sk_out); | |
1202 | ||
122c7725 | 1203 | while (!exit_backend) { |
479471c4 JA |
1204 | const char *from; |
1205 | char buf[64]; | |
122c7725 | 1206 | pid_t pid; |
009b1be4 | 1207 | |
122c7725 JA |
1208 | pfd.fd = listen_sk; |
1209 | pfd.events = POLLIN; | |
1210 | do { | |
54163255 JA |
1211 | int timeout = 1000; |
1212 | ||
1213 | if (!flist_empty(&conn_list)) | |
1214 | timeout = 100; | |
1215 | ||
1216 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1217 | if (ret < 0) { |
1218 | if (errno == EINTR) | |
1219 | break; | |
1220 | log_err("fio: poll: %s\n", strerror(errno)); | |
1221 | break; | |
1222 | } else if (!ret) { | |
6348b5de | 1223 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1224 | continue; |
1225 | } | |
009b1be4 | 1226 | |
122c7725 JA |
1227 | if (pfd.revents & POLLIN) |
1228 | break; | |
1229 | } while (!exit_backend); | |
50d16976 | 1230 | |
6348b5de | 1231 | fio_server_check_conns(&conn_list); |
46c48f1f | 1232 | |
122c7725 JA |
1233 | if (exit_backend || ret < 0) |
1234 | break; | |
1235 | ||
479471c4 JA |
1236 | if (use_ipv6) |
1237 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1238 | else | |
1239 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1240 | ||
122c7725 JA |
1241 | if (sk < 0) { |
1242 | log_err("fio: accept: %s\n", strerror(errno)); | |
1243 | return -1; | |
1244 | } | |
37db14fe | 1245 | |
479471c4 JA |
1246 | if (use_ipv6) |
1247 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1248 | else | |
1249 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1250 | ||
1251 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1252 | |
f77d4b73 JA |
1253 | sk_out->sk = sk; |
1254 | ||
122c7725 JA |
1255 | pid = fork(); |
1256 | if (pid) { | |
1257 | close(sk); | |
6348b5de | 1258 | fio_server_add_conn_pid(&conn_list, pid); |
f77d4b73 | 1259 | pthread_setspecific(sk_out_key, sk_out); |
122c7725 JA |
1260 | continue; |
1261 | } | |
5c341e9a | 1262 | |
122c7725 | 1263 | /* exits */ |
68d96e51 | 1264 | get_my_addr_str(sk); /* if error, it's already logged, non-fatal */ |
f77d4b73 | 1265 | handle_connection(sk_out); |
122c7725 | 1266 | } |
5c341e9a | 1267 | |
f77d4b73 JA |
1268 | #if 0 |
1269 | fio_mutex_remove(sk_out->lock); | |
1270 | fio_mutex_remove(sk_out->wait); | |
1271 | sfree(sk_out); | |
1272 | pthread_setspecific(sk_out_key, NULL); | |
1273 | #endif | |
1274 | ||
132159a5 | 1275 | return exitval; |
50d16976 JA |
1276 | } |
1277 | ||
084d1c6f | 1278 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1279 | { |
f77d4b73 | 1280 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1281 | struct cmd_text_pdu *pdu; |
1282 | unsigned int tlen; | |
1283 | struct timeval tv; | |
1284 | ||
f77d4b73 | 1285 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1286 | return -1; |
084d1c6f JA |
1287 | |
1288 | tlen = sizeof(*pdu) + len; | |
1289 | pdu = malloc(tlen); | |
1290 | ||
1291 | pdu->level = __cpu_to_le32(level); | |
1292 | pdu->buf_len = __cpu_to_le32(len); | |
1293 | ||
1294 | gettimeofday(&tv, NULL); | |
1295 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1296 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1297 | |
084d1c6f JA |
1298 | memcpy(pdu->buf, buf, len); |
1299 | ||
f77d4b73 | 1300 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1301 | free(pdu); |
1302 | return len; | |
142575e6 JA |
1303 | } |
1304 | ||
a64e88da JA |
1305 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1306 | { | |
1307 | dst->max_val = cpu_to_le64(src->max_val); | |
1308 | dst->min_val = cpu_to_le64(src->min_val); | |
1309 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1310 | |
1311 | /* | |
1312 | * Encode to IEEE 754 for network transfer | |
1313 | */ | |
e5c9093d JA |
1314 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1315 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1316 | } |
1317 | ||
1318 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1319 | { | |
1320 | int i; | |
1321 | ||
298921d6 | 1322 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1323 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1324 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1325 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1326 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1327 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1328 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1329 | } | |
1330 | ||
1331 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1332 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1333 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1334 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1335 | } |
1336 | ||
1337 | /* | |
1338 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1339 | * into a single payload. | |
1340 | */ | |
1341 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1342 | { | |
1343 | struct cmd_ts_pdu p; | |
1344 | int i, j; | |
1345 | ||
60efd14e JA |
1346 | dprint(FD_NET, "server sending end stats\n"); |
1347 | ||
317b3c8b JA |
1348 | memset(&p, 0, sizeof(p)); |
1349 | ||
4e59d0f3 JA |
1350 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1351 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1352 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1353 | |
2f122b13 JA |
1354 | p.ts.error = cpu_to_le32(ts->error); |
1355 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1356 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1357 | p.ts.pid = cpu_to_le32(ts->pid); | |
1358 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1359 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1360 | |
298921d6 | 1361 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1362 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1363 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1364 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1365 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1366 | } | |
1367 | ||
1368 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1369 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1370 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1371 | p.ts.minf = cpu_to_le64(ts->minf); | |
1372 | p.ts.majf = cpu_to_le64(ts->majf); | |
1373 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1374 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1375 | |
1376 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1377 | fio_fp64_t *src = &ts->percentile_list[i]; |
1378 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1379 | |
e5c9093d | 1380 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1381 | } |
a64e88da JA |
1382 | |
1383 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1384 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1385 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1386 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1387 | } | |
1388 | ||
1389 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1390 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1391 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1392 | } | |
1393 | ||
298921d6 | 1394 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1395 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1396 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1397 | ||
78799deb | 1398 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1399 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1400 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1401 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1402 | } |
1403 | ||
93eee04a | 1404 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1405 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1406 | ||
298921d6 | 1407 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1408 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1409 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1410 | } | |
1411 | ||
1412 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1413 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1414 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1415 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1416 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1417 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1418 | |
3e260a46 JA |
1419 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1420 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1421 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1422 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1423 | |
66347cfa DE |
1424 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1425 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1426 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1427 | ||
a64e88da JA |
1428 | convert_gs(&p.rs, rs); |
1429 | ||
f77d4b73 | 1430 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1431 | } |
1432 | ||
1433 | void fio_server_send_gs(struct group_run_stats *rs) | |
1434 | { | |
1435 | struct group_run_stats gs; | |
1436 | ||
60efd14e JA |
1437 | dprint(FD_NET, "server sending group run stats\n"); |
1438 | ||
a64e88da | 1439 | convert_gs(&gs, rs); |
f77d4b73 | 1440 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1441 | } |
1442 | ||
d09a64a0 JA |
1443 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1444 | { | |
1445 | int i; | |
1446 | ||
1447 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1448 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1449 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1450 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1451 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1452 | } |
1453 | ||
504bc961 JA |
1454 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1455 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1456 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1457 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1458 | } |
1459 | ||
1460 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1461 | { | |
1462 | int i; | |
1463 | ||
59140421 JA |
1464 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1465 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1466 | |
1467 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1468 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1469 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1470 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1471 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1472 | } |
1473 | ||
504bc961 JA |
1474 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1475 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1476 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1477 | } |
1478 | ||
1479 | void fio_server_send_du(void) | |
1480 | { | |
1481 | struct disk_util *du; | |
1482 | struct flist_head *entry; | |
1483 | struct cmd_du_pdu pdu; | |
1484 | ||
1485 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1486 | ||
0766d92e JA |
1487 | memset(&pdu, 0, sizeof(pdu)); |
1488 | ||
d09a64a0 JA |
1489 | flist_for_each(entry, &disk_list) { |
1490 | du = flist_entry(entry, struct disk_util, list); | |
1491 | ||
1492 | convert_dus(&pdu.dus, &du->dus); | |
1493 | convert_agg(&pdu.agg, &du->agg); | |
1494 | ||
f77d4b73 | 1495 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1496 | } |
1497 | } | |
1498 | ||
02594e37 | 1499 | static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1500 | { |
3989b143 JA |
1501 | int ret = 0; |
1502 | #ifdef CONFIG_ZLIB | |
02594e37 | 1503 | struct sk_entry *entry; |
1b42725f JA |
1504 | z_stream stream; |
1505 | void *out_pdu; | |
1b42725f JA |
1506 | |
1507 | /* | |
1508 | * Dirty - since the log is potentially huge, compress it into | |
1509 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1510 | * side defragment it. | |
1511 | */ | |
1512 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1513 | ||
1514 | stream.zalloc = Z_NULL; | |
1515 | stream.zfree = Z_NULL; | |
1516 | stream.opaque = Z_NULL; | |
1517 | ||
1518 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1519 | ret = 1; |
1520 | goto err; | |
1b42725f JA |
1521 | } |
1522 | ||
f5ed765a | 1523 | stream.next_in = (void *) log->log; |
ae588852 | 1524 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1525 | |
1526 | do { | |
02594e37 | 1527 | unsigned int this_len; |
1b42725f JA |
1528 | |
1529 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1530 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1531 | ret = deflate(&stream, Z_FINISH); |
1532 | /* may be Z_OK, or Z_STREAM_END */ | |
1533 | if (ret < 0) | |
1534 | goto err_zlib; | |
1b42725f JA |
1535 | |
1536 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1537 | ||
02594e37 JA |
1538 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
1539 | NULL, SK_F_FREE | SK_F_VEC); | |
1540 | flist_add_tail(&entry->list, &first->next); | |
1b42725f JA |
1541 | } while (stream.avail_in); |
1542 | ||
53bd8dbc | 1543 | err_zlib: |
1b42725f | 1544 | deflateEnd(&stream); |
53bd8dbc JA |
1545 | err: |
1546 | free(out_pdu); | |
3989b143 | 1547 | #endif |
53bd8dbc | 1548 | return ret; |
1b42725f JA |
1549 | } |
1550 | ||
3989b143 JA |
1551 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1552 | { | |
1553 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1554 | struct sk_entry *first; |
3989b143 JA |
1555 | int i, ret = 0; |
1556 | ||
ae588852 | 1557 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1558 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1559 | pdu.log_type = cpu_to_le32(log->log_type); |
1560 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1561 | |
1562 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1563 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1564 | |
1565 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1566 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1567 | |
b26317c9 JA |
1568 | s->time = cpu_to_le64(s->time); |
1569 | s->val = cpu_to_le64(s->val); | |
1570 | s->__ddir = cpu_to_le32(s->__ddir); | |
1571 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1572 | |
1573 | if (log->log_offset) { | |
1574 | struct io_sample_offset *so = (void *) s; | |
1575 | ||
1576 | so->offset = cpu_to_le64(so->offset); | |
1577 | } | |
3989b143 JA |
1578 | } |
1579 | ||
1580 | /* | |
02594e37 | 1581 | * Assemble header entry first |
3989b143 | 1582 | */ |
02594e37 | 1583 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC); |
3989b143 JA |
1584 | |
1585 | /* | |
02594e37 JA |
1586 | * Now append actual log entries. Compress if we can, otherwise just |
1587 | * plain text output. | |
3989b143 JA |
1588 | */ |
1589 | if (use_zlib) | |
02594e37 | 1590 | ret = fio_send_iolog_gz(first, log); |
f77d4b73 | 1591 | else { |
02594e37 JA |
1592 | struct sk_entry *entry; |
1593 | ||
1594 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, | |
1595 | log->nr_samples * log_entry_sz(log), | |
1596 | NULL, SK_F_FREE | SK_F_VEC); | |
1597 | flist_add_tail(&entry->list, &first->next); | |
f77d4b73 | 1598 | } |
3989b143 | 1599 | |
f77d4b73 | 1600 | return ret; |
3989b143 JA |
1601 | } |
1602 | ||
2f122b13 | 1603 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1604 | { |
1605 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1606 | |
731e30a2 | 1607 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1608 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1609 | pdu.groupid = cpu_to_le32(td->groupid); | |
1610 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1611 | |
f77d4b73 | 1612 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
807f9971 JA |
1613 | } |
1614 | ||
122c7725 JA |
1615 | void fio_server_send_start(struct thread_data *td) |
1616 | { | |
f77d4b73 JA |
1617 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1618 | ||
1619 | assert(sk_out->sk != -1); | |
122c7725 | 1620 | |
f77d4b73 | 1621 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1622 | } |
1623 | ||
ca09be4b | 1624 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1625 | void **datap, int *version) |
ca09be4b JA |
1626 | { |
1627 | struct thread_io_list *s; | |
1628 | struct cmd_sendfile out; | |
1629 | struct cmd_reply *rep; | |
1630 | uint64_t tag; | |
1631 | void *data; | |
1632 | ||
1633 | dprint(FD_NET, "server: request verify state\n"); | |
1634 | ||
1635 | rep = smalloc(sizeof(*rep)); | |
1636 | if (!rep) { | |
1637 | log_err("fio: smalloc pool too small\n"); | |
1638 | return 1; | |
1639 | } | |
1640 | ||
1641 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1642 | rep->data = NULL; | |
1643 | rep->error = 0; | |
1644 | ||
e499aedc JA |
1645 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1646 | threadnumber); | |
ca09be4b | 1647 | tag = (uint64_t) (uintptr_t) rep; |
f77d4b73 | 1648 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); |
ca09be4b JA |
1649 | |
1650 | /* | |
1651 | * Wait for the backend to receive the reply | |
1652 | */ | |
09400a60 | 1653 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b JA |
1654 | log_err("fio: timed out waiting for reply\n"); |
1655 | goto fail; | |
1656 | } | |
1657 | ||
1658 | if (rep->error) { | |
1659 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1660 | fail: | |
1661 | *datap = NULL; | |
1662 | sfree(rep); | |
f77d4b73 | 1663 | fio_net_queue_quit(); |
ca09be4b JA |
1664 | return 1; |
1665 | } | |
1666 | ||
1667 | /* | |
1668 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1669 | * the header, and the thread_io_list checksum | |
1670 | */ | |
1671 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1672 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1673 | goto fail; |
1674 | ||
1675 | /* | |
1676 | * Don't need the header from now, copy just the thread_io_list | |
1677 | */ | |
1678 | rep->size -= sizeof(struct verify_state_hdr); | |
1679 | data = malloc(rep->size); | |
1680 | memcpy(data, s, rep->size); | |
1681 | *datap = data; | |
1682 | ||
1683 | sfree(rep->data); | |
f5a42524 | 1684 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1685 | sfree(rep); |
1686 | return 0; | |
1687 | } | |
1688 | ||
87aa8f19 | 1689 | static int fio_init_server_ip(void) |
81179eec | 1690 | { |
811826be | 1691 | struct sockaddr *addr; |
67bf9823 | 1692 | socklen_t socklen; |
17e3531a JA |
1693 | char buf[80]; |
1694 | const char *str; | |
87aa8f19 | 1695 | int sk, opt; |
81179eec | 1696 | |
811826be JA |
1697 | if (use_ipv6) |
1698 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1699 | else | |
1700 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1701 | ||
81179eec JA |
1702 | if (sk < 0) { |
1703 | log_err("fio: socket: %s\n", strerror(errno)); | |
1704 | return -1; | |
1705 | } | |
1706 | ||
1707 | opt = 1; | |
1f81991e | 1708 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1709 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1710 | close(sk); |
81179eec JA |
1711 | return -1; |
1712 | } | |
1713 | #ifdef SO_REUSEPORT | |
6eb24791 | 1714 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1715 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1716 | close(sk); |
81179eec JA |
1717 | return -1; |
1718 | } | |
1719 | #endif | |
1720 | ||
811826be | 1721 | if (use_ipv6) { |
17e3531a JA |
1722 | const void *src = &saddr_in6.sin6_addr; |
1723 | ||
811826be JA |
1724 | addr = (struct sockaddr *) &saddr_in6; |
1725 | socklen = sizeof(saddr_in6); | |
1726 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1727 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1728 | } else { |
17e3531a JA |
1729 | const void *src = &saddr_in.sin_addr; |
1730 | ||
811826be JA |
1731 | addr = (struct sockaddr *) &saddr_in; |
1732 | socklen = sizeof(saddr_in); | |
1733 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1734 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1735 | } |
81179eec | 1736 | |
811826be | 1737 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1738 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1739 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1740 | close(sk); |
81179eec JA |
1741 | return -1; |
1742 | } | |
1743 | ||
87aa8f19 JA |
1744 | return sk; |
1745 | } | |
1746 | ||
1747 | static int fio_init_server_sock(void) | |
1748 | { | |
1749 | struct sockaddr_un addr; | |
67bf9823 | 1750 | socklen_t len; |
87aa8f19 JA |
1751 | mode_t mode; |
1752 | int sk; | |
1753 | ||
1754 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1755 | if (sk < 0) { | |
1756 | log_err("fio: socket: %s\n", strerror(errno)); | |
1757 | return -1; | |
1758 | } | |
1759 | ||
1760 | mode = umask(000); | |
1761 | ||
1762 | memset(&addr, 0, sizeof(addr)); | |
1763 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1764 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1765 | |
1766 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1767 | ||
1768 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1769 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1770 | close(sk); |
87aa8f19 JA |
1771 | return -1; |
1772 | } | |
1773 | ||
1774 | umask(mode); | |
1775 | return sk; | |
1776 | } | |
1777 | ||
1778 | static int fio_init_server_connection(void) | |
1779 | { | |
bebe6398 | 1780 | char bind_str[128]; |
87aa8f19 JA |
1781 | int sk; |
1782 | ||
1783 | dprint(FD_NET, "starting server\n"); | |
1784 | ||
1785 | if (!bind_sock) | |
1786 | sk = fio_init_server_ip(); | |
1787 | else | |
1788 | sk = fio_init_server_sock(); | |
1789 | ||
1790 | if (sk < 0) | |
1791 | return sk; | |
1792 | ||
afdcad23 JA |
1793 | memset(bind_str, 0, sizeof(bind_str)); |
1794 | ||
811826be JA |
1795 | if (!bind_sock) { |
1796 | char *p, port[16]; | |
1797 | const void *src; | |
1798 | int af; | |
1799 | ||
1800 | if (use_ipv6) { | |
1801 | af = AF_INET6; | |
1802 | src = &saddr_in6.sin6_addr; | |
1803 | } else { | |
1804 | af = AF_INET; | |
1805 | src = &saddr_in.sin_addr; | |
1806 | } | |
1807 | ||
1808 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1809 | ||
1810 | sprintf(port, ",%u", fio_net_port); | |
1811 | if (p) | |
1812 | strcat(p, port); | |
1813 | else | |
afdcad23 | 1814 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1815 | } else |
afdcad23 | 1816 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1817 | |
1818 | log_info("fio: server listening on %s\n", bind_str); | |
1819 | ||
89c1707c | 1820 | if (listen(sk, 0) < 0) { |
81179eec | 1821 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1822 | close(sk); |
81179eec JA |
1823 | return -1; |
1824 | } | |
1825 | ||
87aa8f19 JA |
1826 | return sk; |
1827 | } | |
1828 | ||
3aa3ceeb | 1829 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1830 | struct in6_addr *inp6) |
1831 | ||
1832 | { | |
1833 | int ret = 0; | |
1834 | ||
3aa3ceeb | 1835 | if (ipv6) |
3ec62ec4 JA |
1836 | ret = inet_pton(AF_INET6, host, inp6); |
1837 | else | |
1838 | ret = inet_pton(AF_INET, host, inp); | |
1839 | ||
1840 | if (ret != 1) { | |
479471c4 JA |
1841 | struct addrinfo hints, *res; |
1842 | ||
1843 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1844 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1845 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1846 | |
479471c4 JA |
1847 | ret = getaddrinfo(host, NULL, &hints, &res); |
1848 | if (ret) { | |
1849 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1850 | gai_strerror(ret)); | |
3caf43e3 | 1851 | return 1; |
3ec62ec4 JA |
1852 | } |
1853 | ||
3aa3ceeb | 1854 | if (ipv6) |
479471c4 JA |
1855 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1856 | else | |
1857 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1858 | ||
3ec62ec4 | 1859 | ret = 1; |
479471c4 | 1860 | freeaddrinfo(res); |
3ec62ec4 JA |
1861 | } |
1862 | ||
1863 | return !(ret == 1); | |
1864 | } | |
1865 | ||
660a2bfb JA |
1866 | /* |
1867 | * Parse a host/ip/port string. Reads from 'str'. | |
1868 | * | |
1869 | * Outputs: | |
1870 | * | |
1871 | * For IPv4: | |
1872 | * *ptr is the host, *port is the port, inp is the destination. | |
1873 | * For IPv6: | |
1874 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1875 | * For local domain sockets: | |
1876 | * *ptr is the filename, *is_sock is 1. | |
1877 | */ | |
bebe6398 | 1878 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1879 | int *port, struct in_addr *inp, |
1880 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1881 | { |
76867621 JA |
1882 | const char *host = str; |
1883 | char *portp; | |
3ec62ec4 | 1884 | int lport = 0; |
76867621 | 1885 | |
bebe6398 JA |
1886 | *ptr = NULL; |
1887 | *is_sock = 0; | |
6d2cf394 | 1888 | *port = fio_net_port; |
811826be | 1889 | *ipv6 = 0; |
bebe6398 JA |
1890 | |
1891 | if (!strncmp(str, "sock:", 5)) { | |
1892 | *ptr = strdup(str + 5); | |
1893 | *is_sock = 1; | |
76867621 JA |
1894 | |
1895 | return 0; | |
1896 | } | |
1897 | ||
1898 | /* | |
1899 | * Is it ip:<ip or host>:port | |
1900 | */ | |
1901 | if (!strncmp(host, "ip:", 3)) | |
1902 | host += 3; | |
1903 | else if (!strncmp(host, "ip4:", 4)) | |
1904 | host += 4; | |
1905 | else if (!strncmp(host, "ip6:", 4)) { | |
1906 | host += 4; | |
1907 | *ipv6 = 1; | |
1908 | } else if (host[0] == ':') { | |
1909 | /* String is :port */ | |
1910 | host++; | |
1911 | lport = atoi(host); | |
1912 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1913 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1914 | return 1; |
1915 | } | |
1916 | /* no hostname given, we are done */ | |
1917 | *port = lport; | |
1918 | return 0; | |
1919 | } | |
1920 | ||
1921 | /* | |
b96b90c3 | 1922 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1923 | */ |
1924 | if (!lport) { | |
1925 | portp = strchr(host, ','); | |
1926 | if (portp) { | |
1927 | *portp = '\0'; | |
1928 | portp++; | |
1929 | lport = atoi(portp); | |
bebe6398 | 1930 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1931 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1932 | return 1; |
1933 | } | |
bebe6398 | 1934 | } |
76867621 | 1935 | } |
bebe6398 | 1936 | |
76867621 JA |
1937 | if (lport) |
1938 | *port = lport; | |
bebe6398 | 1939 | |
76867621 JA |
1940 | if (!strlen(host)) |
1941 | return 0; | |
bebe6398 | 1942 | |
76867621 | 1943 | *ptr = strdup(host); |
811826be | 1944 | |
3aa3ceeb | 1945 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1946 | free(*ptr); |
1947 | *ptr = NULL; | |
1948 | return 1; | |
bebe6398 JA |
1949 | } |
1950 | ||
1951 | if (*port == 0) | |
1952 | *port = fio_net_port; | |
1953 | ||
1954 | return 0; | |
1955 | } | |
1956 | ||
87aa8f19 JA |
1957 | /* |
1958 | * Server arg should be one of: | |
1959 | * | |
1960 | * sock:/path/to/socket | |
1961 | * ip:1.2.3.4 | |
1962 | * 1.2.3.4 | |
1963 | * | |
1964 | * Where sock uses unix domain sockets, and ip binds the server to | |
1965 | * a specific interface. If no arguments are given to the server, it | |
1966 | * uses IP and binds to 0.0.0.0. | |
1967 | * | |
1968 | */ | |
1969 | static int fio_handle_server_arg(void) | |
1970 | { | |
6d2cf394 | 1971 | int port = fio_net_port; |
a7de0a11 | 1972 | int is_sock, ret = 0; |
bebe6398 | 1973 | |
87aa8f19 JA |
1974 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1975 | ||
1976 | if (!fio_server_arg) | |
a7de0a11 | 1977 | goto out; |
87aa8f19 | 1978 | |
4e5b8fb8 | 1979 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1980 | &port, &saddr_in.sin_addr, |
1981 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1982 | |
1983 | if (!is_sock && bind_sock) { | |
1984 | free(bind_sock); | |
1985 | bind_sock = NULL; | |
1986 | } | |
1987 | ||
a7de0a11 | 1988 | out: |
6d2cf394 JA |
1989 | fio_net_port = port; |
1990 | saddr_in.sin_port = htons(port); | |
811826be | 1991 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1992 | return ret; |
87aa8f19 JA |
1993 | } |
1994 | ||
43cdea1d JA |
1995 | static void sig_int(int sig) |
1996 | { | |
1997 | if (bind_sock) | |
1998 | unlink(bind_sock); | |
1999 | } | |
2000 | ||
2001 | static void set_sig_handlers(void) | |
2002 | { | |
2003 | struct sigaction act; | |
2004 | ||
2005 | memset(&act, 0, sizeof(act)); | |
2006 | act.sa_handler = sig_int; | |
2007 | act.sa_flags = SA_RESTART; | |
2008 | sigaction(SIGINT, &act, NULL); | |
2009 | } | |
2010 | ||
87aa8f19 JA |
2011 | static int fio_server(void) |
2012 | { | |
2013 | int sk, ret; | |
2014 | ||
2015 | dprint(FD_NET, "starting server\n"); | |
2016 | ||
2017 | if (fio_handle_server_arg()) | |
2018 | return -1; | |
2019 | ||
2020 | sk = fio_init_server_connection(); | |
2021 | if (sk < 0) | |
2022 | return -1; | |
81179eec | 2023 | |
43cdea1d JA |
2024 | set_sig_handlers(); |
2025 | ||
f77d4b73 JA |
2026 | if (pthread_key_create(&sk_out_key, NULL)) |
2027 | log_err("fio: can't create sk_out backend key\n"); | |
2028 | ||
81179eec | 2029 | ret = accept_loop(sk); |
87aa8f19 | 2030 | |
81179eec | 2031 | close(sk); |
87aa8f19 JA |
2032 | |
2033 | if (fio_server_arg) { | |
2034 | free(fio_server_arg); | |
2035 | fio_server_arg = NULL; | |
2036 | } | |
bebe6398 JA |
2037 | if (bind_sock) |
2038 | free(bind_sock); | |
87aa8f19 | 2039 | |
81179eec JA |
2040 | return ret; |
2041 | } | |
2042 | ||
7b821684 | 2043 | void fio_server_got_signal(int signal) |
9abea48b | 2044 | { |
f77d4b73 JA |
2045 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2046 | ||
2047 | assert(sk_out); | |
2048 | ||
7b821684 | 2049 | if (signal == SIGPIPE) |
f77d4b73 | 2050 | sk_out->sk = -1; |
7b821684 JA |
2051 | else { |
2052 | log_info("\nfio: terminating on signal %d\n", signal); | |
2053 | exit_backend = 1; | |
2054 | } | |
9abea48b JA |
2055 | } |
2056 | ||
13755d94 JA |
2057 | static int check_existing_pidfile(const char *pidfile) |
2058 | { | |
2059 | struct stat sb; | |
2060 | char buf[16]; | |
2061 | pid_t pid; | |
2062 | FILE *f; | |
2063 | ||
2064 | if (stat(pidfile, &sb)) | |
2065 | return 0; | |
2066 | ||
2067 | f = fopen(pidfile, "r"); | |
2068 | if (!f) | |
2069 | return 0; | |
2070 | ||
bfc3b179 | 2071 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2072 | fclose(f); |
2073 | return 1; | |
2074 | } | |
2075 | fclose(f); | |
2076 | ||
2077 | pid = atoi(buf); | |
2078 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2079 | return errno != ESRCH; |
13755d94 JA |
2080 | |
2081 | return 1; | |
2082 | } | |
2083 | ||
2084 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2085 | { |
2086 | FILE *fpid; | |
2087 | ||
2088 | fpid = fopen(pidfile, "w"); | |
2089 | if (!fpid) { | |
2090 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2091 | return 1; |
402668f3 JA |
2092 | } |
2093 | ||
2094 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2095 | fclose(fpid); |
2096 | return 0; | |
402668f3 JA |
2097 | } |
2098 | ||
2099 | /* | |
2100 | * If pidfile is specified, background us. | |
2101 | */ | |
2102 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2103 | { |
2104 | pid_t pid; | |
402668f3 | 2105 | int ret; |
e46d8091 | 2106 | |
93bcfd20 | 2107 | #if defined(WIN32) |
905c78b9 | 2108 | WSADATA wsd; |
3c3ed070 | 2109 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2110 | #endif |
2111 | ||
402668f3 | 2112 | if (!pidfile) |
e46d8091 JA |
2113 | return fio_server(); |
2114 | ||
13755d94 JA |
2115 | if (check_existing_pidfile(pidfile)) { |
2116 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2117 | pidfile); | |
b8ba87ac | 2118 | free(pidfile); |
13755d94 JA |
2119 | return -1; |
2120 | } | |
2121 | ||
e46d8091 JA |
2122 | pid = fork(); |
2123 | if (pid < 0) { | |
13755d94 | 2124 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2125 | free(pidfile); |
c28e8e8c | 2126 | return -1; |
402668f3 | 2127 | } else if (pid) { |
8a1db9a1 | 2128 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2129 | free(pidfile); |
44c8268d | 2130 | _exit(ret); |
402668f3 | 2131 | } |
e46d8091 JA |
2132 | |
2133 | setsid(); | |
13755d94 JA |
2134 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2135 | log_syslog = 1; | |
e46d8091 JA |
2136 | close(STDIN_FILENO); |
2137 | close(STDOUT_FILENO); | |
2138 | close(STDERR_FILENO); | |
2139 | f_out = NULL; | |
2140 | f_err = NULL; | |
402668f3 JA |
2141 | |
2142 | ret = fio_server(); | |
2143 | ||
2144 | closelog(); | |
2145 | unlink(pidfile); | |
2146 | free(pidfile); | |
2147 | return ret; | |
e46d8091 | 2148 | } |
87aa8f19 | 2149 | |
bebe6398 | 2150 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2151 | { |
2152 | fio_server_arg = strdup(arg); | |
2153 | } |