Commit | Line | Data |
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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 { | |
4d27d429 JA |
43 | struct flist_head list; /* link on sk_out->list */ |
44 | int flags; /* SK_F_* */ | |
45 | int opcode; /* Actual command fields */ | |
f77d4b73 JA |
46 | void *buf; |
47 | off_t size; | |
48 | uint64_t *tagptr; | |
4d27d429 | 49 | struct flist_head next; /* Other sk_entry's, if linked command */ |
f77d4b73 JA |
50 | }; |
51 | ||
52 | struct sk_out { | |
24660963 JA |
53 | unsigned int refs; |
54 | ||
f77d4b73 JA |
55 | int sk; |
56 | struct fio_mutex *lock; | |
57 | struct flist_head list; | |
58 | struct fio_mutex *wait; | |
59 | }; | |
60 | ||
87aa8f19 JA |
61 | static char *fio_server_arg; |
62 | static char *bind_sock; | |
63 | static struct sockaddr_in saddr_in; | |
811826be | 64 | static struct sockaddr_in6 saddr_in6; |
811826be | 65 | static int use_ipv6; |
3989b143 JA |
66 | #ifdef CONFIG_ZLIB |
67 | static unsigned int has_zlib = 1; | |
68 | #else | |
69 | static unsigned int has_zlib = 0; | |
70 | #endif | |
71 | static unsigned int use_zlib; | |
ca09be4b | 72 | static char me[128]; |
37db14fe | 73 | |
f77d4b73 JA |
74 | static pthread_key_t sk_out_key; |
75 | ||
122c7725 JA |
76 | struct fio_fork_item { |
77 | struct flist_head list; | |
78 | int exitval; | |
79 | int signal; | |
80 | int exited; | |
81 | pid_t pid; | |
82 | }; | |
83 | ||
ca09be4b JA |
84 | struct cmd_reply { |
85 | struct fio_mutex lock; | |
86 | void *data; | |
87 | size_t size; | |
88 | int error; | |
89 | }; | |
90 | ||
89c1707c JA |
91 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
92 | "", | |
93 | "QUIT", | |
94 | "EXIT", | |
95 | "JOB", | |
96 | "JOBLINE", | |
97 | "TEXT", | |
98 | "TS", | |
99 | "GS", | |
100 | "SEND_ETA", | |
101 | "ETA", | |
102 | "PROBE", | |
103 | "START", | |
d09a64a0 JA |
104 | "STOP", |
105 | "DISK_UTIL", | |
b9d2f30a | 106 | "SERVER_START", |
807f9971 | 107 | "ADD_JOB", |
ca09be4b JA |
108 | "RUN", |
109 | "IOLOG", | |
110 | "UPDATE_JOB", | |
111 | "LOAD_FILE", | |
112 | "VTRIGGER", | |
113 | "SENDFILE", | |
89c1707c JA |
114 | }; |
115 | ||
f77d4b73 JA |
116 | static void sk_lock(struct sk_out *sk_out) |
117 | { | |
118 | fio_mutex_down(sk_out->lock); | |
119 | } | |
120 | ||
121 | static void sk_unlock(struct sk_out *sk_out) | |
122 | { | |
123 | fio_mutex_up(sk_out->lock); | |
124 | } | |
125 | ||
24660963 JA |
126 | void sk_out_assign(struct sk_out *sk_out) |
127 | { | |
128 | if (!sk_out) | |
129 | return; | |
130 | ||
131 | sk_lock(sk_out); | |
132 | sk_out->refs++; | |
133 | sk_unlock(sk_out); | |
134 | pthread_setspecific(sk_out_key, sk_out); | |
135 | } | |
136 | ||
137 | static void __sk_out_drop(struct sk_out *sk_out) | |
138 | { | |
139 | fio_mutex_remove(sk_out->lock); | |
140 | fio_mutex_remove(sk_out->wait); | |
141 | sfree(sk_out); | |
142 | } | |
143 | ||
144 | void sk_out_drop(void) | |
145 | { | |
146 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
147 | ||
148 | if (sk_out) { | |
149 | int refs; | |
150 | ||
151 | sk_lock(sk_out); | |
152 | refs = --sk_out->refs; | |
153 | sk_unlock(sk_out); | |
154 | ||
155 | if (!refs) | |
156 | __sk_out_drop(sk_out); | |
157 | ||
158 | pthread_setspecific(sk_out_key, NULL); | |
159 | } | |
160 | } | |
161 | ||
89c1707c JA |
162 | const char *fio_server_op(unsigned int op) |
163 | { | |
164 | static char buf[32]; | |
165 | ||
166 | if (op < FIO_NET_CMD_NR) | |
167 | return fio_server_ops[op]; | |
168 | ||
169 | sprintf(buf, "UNKNOWN/%d", op); | |
170 | return buf; | |
171 | } | |
172 | ||
5235f626 | 173 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 174 | { |
5235f626 | 175 | ssize_t ret = 0; |
794d69ca | 176 | |
5235f626 JA |
177 | while (count--) { |
178 | ret += iov->iov_len; | |
179 | iov++; | |
180 | } | |
181 | ||
182 | return ret; | |
183 | } | |
132159a5 | 184 | |
5235f626 JA |
185 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
186 | { | |
187 | ssize_t total_len = iov_total_len(iov, count); | |
188 | ssize_t ret; | |
189 | ||
190 | do { | |
191 | ret = writev(sk, iov, count); | |
132159a5 | 192 | if (ret > 0) { |
5235f626 JA |
193 | total_len -= ret; |
194 | if (!total_len) | |
132159a5 | 195 | break; |
5235f626 JA |
196 | |
197 | while (ret) { | |
198 | if (ret >= iov->iov_len) { | |
199 | ret -= iov->iov_len; | |
200 | iov++; | |
201 | continue; | |
202 | } | |
203 | iov->iov_base += ret; | |
204 | iov->iov_len -= ret; | |
205 | ret = 0; | |
206 | } | |
132159a5 JA |
207 | } else if (!ret) |
208 | break; | |
209 | else if (errno == EAGAIN || errno == EINTR) | |
210 | continue; | |
7b821684 JA |
211 | else |
212 | break; | |
132159a5 JA |
213 | } while (!exit_backend); |
214 | ||
5235f626 | 215 | if (!total_len) |
132159a5 JA |
216 | return 0; |
217 | ||
218 | return 1; | |
219 | } | |
220 | ||
5235f626 JA |
221 | int fio_send_data(int sk, const void *p, unsigned int len) |
222 | { | |
223 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
224 | ||
225 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
226 | ||
227 | return fio_sendv_data(sk, &iov, 1); | |
228 | } | |
229 | ||
132159a5 JA |
230 | int fio_recv_data(int sk, void *p, unsigned int len) |
231 | { | |
232 | do { | |
233 | int ret = recv(sk, p, len, MSG_WAITALL); | |
234 | ||
235 | if (ret > 0) { | |
236 | len -= ret; | |
237 | if (!len) | |
238 | break; | |
239 | p += ret; | |
240 | continue; | |
241 | } else if (!ret) | |
242 | break; | |
243 | else if (errno == EAGAIN || errno == EINTR) | |
244 | continue; | |
7b821684 JA |
245 | else |
246 | break; | |
132159a5 JA |
247 | } while (!exit_backend); |
248 | ||
249 | if (!len) | |
250 | return 0; | |
251 | ||
252 | return -1; | |
253 | } | |
254 | ||
255 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
256 | { | |
fcee5ff6 | 257 | uint16_t crc; |
132159a5 | 258 | |
fcee5ff6 JA |
259 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
260 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 261 | |
25dfa848 | 262 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 263 | if (crc != cmd->cmd_crc16) { |
132159a5 | 264 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 265 | cmd->cmd_crc16, crc); |
132159a5 JA |
266 | return 1; |
267 | } | |
268 | ||
269 | cmd->version = le16_to_cpu(cmd->version); | |
270 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
271 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 272 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
273 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
274 | ||
275 | switch (cmd->version) { | |
fa2ea806 | 276 | case FIO_SERVER_VER: |
132159a5 JA |
277 | break; |
278 | default: | |
279 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
280 | return 1; | |
281 | } | |
282 | ||
b9d2f30a | 283 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
284 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
285 | return 1; | |
286 | } | |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
a64e88da JA |
291 | /* |
292 | * Read (and defragment, if necessary) incoming commands | |
293 | */ | |
e951bdc4 | 294 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 295 | { |
dfbf1f6f | 296 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 297 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 298 | uint16_t crc; |
a64e88da JA |
299 | int ret, first = 1; |
300 | void *pdu = NULL; | |
132159a5 | 301 | |
a64e88da JA |
302 | do { |
303 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
304 | if (ret) | |
305 | break; | |
132159a5 | 306 | |
a64e88da JA |
307 | /* We have a command, verify it and swap if need be */ |
308 | ret = verify_convert_cmd(&cmd); | |
309 | if (ret) | |
310 | break; | |
132159a5 | 311 | |
0b8f30a5 JA |
312 | if (first) { |
313 | /* if this is text, add room for \0 at the end */ | |
314 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
315 | assert(!cmdret); | |
316 | } else | |
a64e88da | 317 | cmd_size += cmd.pdu_len; |
132159a5 | 318 | |
dfbf1f6f JA |
319 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
320 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
321 | ret = 1; | |
322 | break; | |
323 | } | |
324 | ||
325 | tmp = realloc(cmdret, cmd_size); | |
326 | if (!tmp) { | |
327 | log_err("fio: server failed allocating cmd\n"); | |
328 | ret = 1; | |
329 | break; | |
330 | } | |
331 | cmdret = tmp; | |
132159a5 | 332 | |
a64e88da JA |
333 | if (first) |
334 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
335 | else if (cmdret->opcode != cmd.opcode) { |
336 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
337 | cmdret->opcode, cmd.opcode); | |
338 | ret = 1; | |
339 | break; | |
340 | } | |
a64e88da JA |
341 | |
342 | if (!cmd.pdu_len) | |
343 | break; | |
344 | ||
345 | /* There's payload, get it */ | |
346 | pdu = (void *) cmdret->payload + pdu_offset; | |
347 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
348 | if (ret) | |
349 | break; | |
350 | ||
351 | /* Verify payload crc */ | |
25dfa848 | 352 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
353 | if (crc != cmd.pdu_crc16) { |
354 | log_err("fio: server bad crc on payload "); | |
355 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
356 | ret = 1; | |
357 | break; | |
358 | } | |
359 | ||
360 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
361 | if (!first) |
362 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
363 | first = 0; |
364 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 365 | |
a64e88da JA |
366 | if (ret) { |
367 | free(cmdret); | |
368 | cmdret = NULL; | |
0b8f30a5 JA |
369 | } else if (cmdret) { |
370 | /* zero-terminate text input */ | |
084d1c6f JA |
371 | if (cmdret->pdu_len) { |
372 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
373 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
374 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 375 | |
8a1db9a1 | 376 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 377 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
378 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
379 | char *buf = (char *) __pdu->buf; | |
380 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 381 | |
46bcd498 | 382 | buf[len] = '\0'; |
084d1c6f | 383 | } |
0b8f30a5 | 384 | } |
084d1c6f | 385 | |
0b8f30a5 | 386 | /* frag flag is internal */ |
a64e88da | 387 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 388 | } |
a64e88da JA |
389 | |
390 | return cmdret; | |
132159a5 JA |
391 | } |
392 | ||
40c60516 JA |
393 | static void add_reply(uint64_t tag, struct flist_head *list) |
394 | { | |
a572bbfb | 395 | struct fio_net_cmd_reply *reply; |
40c60516 | 396 | |
a572bbfb | 397 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
398 | flist_add_tail(&reply->list, list); |
399 | } | |
400 | ||
401 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
402 | { | |
403 | struct fio_net_cmd_reply *reply; | |
404 | ||
405 | reply = calloc(1, sizeof(*reply)); | |
406 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 407 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
408 | reply->saved_tag = tag; |
409 | reply->opcode = opcode; | |
410 | ||
411 | return (uintptr_t) reply; | |
412 | } | |
413 | ||
414 | static void free_reply(uint64_t tag) | |
415 | { | |
a572bbfb | 416 | struct fio_net_cmd_reply *reply; |
40c60516 | 417 | |
a572bbfb | 418 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
419 | free(reply); |
420 | } | |
421 | ||
53bd8dbc | 422 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
423 | { |
424 | uint32_t pdu_len; | |
425 | ||
25dfa848 | 426 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
427 | |
428 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
429 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
430 | } | |
431 | ||
432 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
433 | { | |
434 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
435 | } |
436 | ||
af9c9fb3 | 437 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 438 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 439 | { |
7f868316 JA |
440 | struct fio_net_cmd *cmd = NULL; |
441 | size_t this_len, cur_len = 0; | |
40c60516 | 442 | uint64_t tag; |
794d69ca JA |
443 | int ret; |
444 | ||
40c60516 JA |
445 | if (list) { |
446 | assert(tagptr); | |
447 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
448 | } else | |
449 | tag = tagptr ? *tagptr : 0; | |
450 | ||
794d69ca JA |
451 | do { |
452 | this_len = size; | |
b9d2f30a JA |
453 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
454 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 455 | |
7f868316 JA |
456 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
457 | if (cmd) | |
458 | free(cmd); | |
459 | ||
460 | cur_len = sizeof(*cmd) + this_len; | |
461 | cmd = malloc(cur_len); | |
462 | } | |
794d69ca | 463 | |
af9c9fb3 | 464 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
465 | |
466 | if (this_len < size) | |
ddcc0b69 | 467 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
468 | |
469 | fio_net_cmd_crc(cmd); | |
470 | ||
471 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
472 | size -= this_len; |
473 | buf += this_len; | |
474 | } while (!ret && size); | |
475 | ||
40c60516 JA |
476 | if (list) { |
477 | if (ret) | |
478 | free_reply(tag); | |
479 | else | |
480 | add_reply(tag, list); | |
481 | } | |
482 | ||
7f868316 JA |
483 | if (cmd) |
484 | free(cmd); | |
485 | ||
794d69ca JA |
486 | return ret; |
487 | } | |
488 | ||
02594e37 JA |
489 | struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, |
490 | uint64_t *tagptr, int flags) | |
f77d4b73 | 491 | { |
f77d4b73 JA |
492 | struct sk_entry *entry; |
493 | ||
494 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 495 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
496 | entry->opcode = opcode; |
497 | if (flags & SK_F_COPY) { | |
498 | entry->buf = smalloc(size); | |
499 | memcpy(entry->buf, buf, size); | |
500 | } else | |
501 | entry->buf = buf; | |
502 | entry->size = size; | |
503 | entry->tagptr = tagptr; | |
504 | entry->flags = flags; | |
505 | ||
02594e37 JA |
506 | return entry; |
507 | } | |
508 | ||
509 | static void fio_net_queue_entry(struct sk_entry *entry) | |
510 | { | |
511 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
512 | ||
f77d4b73 JA |
513 | sk_lock(sk_out); |
514 | flist_add_tail(&entry->list, &sk_out->list); | |
515 | sk_unlock(sk_out); | |
516 | ||
517 | fio_mutex_up(sk_out->wait); | |
02594e37 | 518 | } |
f77d4b73 | 519 | |
02594e37 JA |
520 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
521 | uint64_t *tagptr, int flags) | |
522 | { | |
523 | struct sk_entry *entry; | |
524 | ||
525 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
526 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
527 | return 0; |
528 | } | |
529 | ||
89c1707c | 530 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 531 | { |
178cde9f | 532 | struct fio_net_cmd cmd; |
132159a5 | 533 | |
af9c9fb3 | 534 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
535 | fio_net_cmd_crc(&cmd); |
536 | ||
537 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
538 | } | |
539 | ||
89c1707c JA |
540 | /* |
541 | * If 'list' is non-NULL, then allocate and store the sent command for | |
542 | * later verification. | |
543 | */ | |
544 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
545 | struct flist_head *list) | |
546 | { | |
89c1707c JA |
547 | int ret; |
548 | ||
40c60516 JA |
549 | if (list) |
550 | tag = alloc_reply(tag, opcode); | |
89c1707c | 551 | |
40c60516 | 552 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 553 | if (ret) { |
40c60516 JA |
554 | if (list) |
555 | free_reply(tag); | |
556 | ||
89c1707c JA |
557 | return ret; |
558 | } | |
559 | ||
40c60516 JA |
560 | if (list) |
561 | add_reply(tag, list); | |
562 | ||
89c1707c JA |
563 | return 0; |
564 | } | |
565 | ||
f77d4b73 JA |
566 | static int fio_net_queue_quit(void) |
567 | { | |
568 | dprint(FD_NET, "server: sending quit\n"); | |
569 | ||
570 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
571 | } | |
572 | ||
122c7725 | 573 | int fio_net_send_quit(int sk) |
437377e1 | 574 | { |
46c48f1f | 575 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 576 | |
8c95307b | 577 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
578 | } |
579 | ||
f77d4b73 | 580 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 581 | { |
11e950bd | 582 | struct cmd_end_pdu epdu; |
f58bd2a4 | 583 | uint64_t tag = 0; |
122c7725 | 584 | |
f58bd2a4 JA |
585 | if (cmd) |
586 | tag = cmd->tag; | |
122c7725 JA |
587 | |
588 | epdu.error = __cpu_to_le32(error); | |
589 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 590 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
591 | } |
592 | ||
f77d4b73 | 593 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
594 | { |
595 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 596 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
597 | } |
598 | ||
599 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
600 | { | |
601 | struct fio_fork_item *ffi; | |
602 | ||
603 | ffi = malloc(sizeof(*ffi)); | |
604 | ffi->exitval = 0; | |
605 | ffi->signal = 0; | |
606 | ffi->exited = 0; | |
607 | ffi->pid = pid; | |
608 | flist_add_tail(&ffi->list, list); | |
609 | } | |
610 | ||
6348b5de | 611 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 612 | { |
a7533dbd | 613 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 614 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
615 | } |
616 | ||
6348b5de | 617 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 618 | { |
a7533dbd | 619 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 620 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
621 | } |
622 | ||
623 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
624 | { | |
625 | int ret, status; | |
626 | ||
627 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
628 | if (ret < 0) { | |
629 | if (errno == ECHILD) { | |
a7533dbd | 630 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
631 | ffi->exited = 1; |
632 | } else | |
633 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
634 | } else if (ret == ffi->pid) { | |
635 | if (WIFSIGNALED(status)) { | |
636 | ffi->signal = WTERMSIG(status); | |
637 | ffi->exited = 1; | |
638 | } | |
639 | if (WIFEXITED(status)) { | |
640 | if (WEXITSTATUS(status)) | |
641 | ffi->exitval = WEXITSTATUS(status); | |
642 | ffi->exited = 1; | |
643 | } | |
644 | } | |
645 | } | |
646 | ||
f77d4b73 | 647 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 648 | { |
a7533dbd | 649 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
650 | |
651 | /* | |
652 | * Fold STOP and QUIT... | |
653 | */ | |
f77d4b73 JA |
654 | if (stop) { |
655 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
656 | fio_net_queue_quit(); | |
657 | } | |
658 | ||
122c7725 JA |
659 | flist_del(&ffi->list); |
660 | free(ffi); | |
661 | } | |
662 | ||
f77d4b73 | 663 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
664 | { |
665 | struct flist_head *entry, *tmp; | |
666 | struct fio_fork_item *ffi; | |
667 | ||
668 | flist_for_each_safe(entry, tmp, list) { | |
669 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
670 | ||
671 | fio_server_check_fork_item(ffi); | |
672 | ||
673 | if (ffi->exited) | |
f77d4b73 | 674 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
675 | } |
676 | } | |
677 | ||
6348b5de | 678 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 679 | { |
f77d4b73 | 680 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
681 | } |
682 | ||
6348b5de | 683 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 684 | { |
f77d4b73 | 685 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
686 | } |
687 | ||
323255cc JA |
688 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
689 | { | |
690 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
691 | void *file_name = pdu->file; | |
692 | struct cmd_start_pdu spdu; | |
693 | ||
694 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
695 | ||
696 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
697 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
698 | ||
699 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 700 | fio_net_queue_quit(); |
323255cc JA |
701 | return -1; |
702 | } | |
703 | ||
704 | spdu.jobs = cpu_to_le32(thread_number); | |
705 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 706 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
707 | return 0; |
708 | } | |
709 | ||
f77d4b73 JA |
710 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
711 | struct fio_net_cmd *cmd) | |
122c7725 JA |
712 | { |
713 | pid_t pid; | |
a64e88da | 714 | int ret; |
132159a5 | 715 | |
cbb1303c | 716 | fio_time_init(); |
122c7725 | 717 | set_genesis_time(); |
11e950bd | 718 | |
122c7725 JA |
719 | pid = fork(); |
720 | if (pid) { | |
6348b5de | 721 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
722 | return 0; |
723 | } | |
11e950bd | 724 | |
24660963 | 725 | ret = fio_backend(sk_out); |
2bb3f0a7 | 726 | free_threads_shm(); |
122c7725 | 727 | _exit(ret); |
81179eec JA |
728 | } |
729 | ||
b9d2f30a JA |
730 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
731 | { | |
46bcd498 JA |
732 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
733 | void *buf = pdu->buf; | |
b9d2f30a JA |
734 | struct cmd_start_pdu spdu; |
735 | ||
46bcd498 JA |
736 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
737 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
738 | ||
739 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 740 | fio_net_queue_quit(); |
b9d2f30a JA |
741 | return -1; |
742 | } | |
743 | ||
744 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 745 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
746 | |
747 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
748 | return 0; |
749 | } | |
750 | ||
81179eec JA |
751 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
752 | { | |
fa2ea806 JA |
753 | void *pdu = cmd->payload; |
754 | struct cmd_single_line_pdu *cslp; | |
755 | struct cmd_line_pdu *clp; | |
756 | unsigned long offset; | |
b9d2f30a | 757 | struct cmd_start_pdu spdu; |
fa2ea806 | 758 | char **argv; |
b9d2f30a | 759 | int i; |
81179eec | 760 | |
fa2ea806 JA |
761 | clp = pdu; |
762 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 763 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
764 | argv = malloc(clp->lines * sizeof(char *)); |
765 | offset = sizeof(*clp); | |
81179eec | 766 | |
fa2ea806 | 767 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 768 | |
fa2ea806 JA |
769 | for (i = 0; i < clp->lines; i++) { |
770 | cslp = pdu + offset; | |
771 | argv[i] = (char *) cslp->text; | |
772 | ||
773 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
774 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
775 | } | |
81179eec | 776 | |
46bcd498 | 777 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 778 | fio_net_queue_quit(); |
fa2ea806 | 779 | free(argv); |
81179eec | 780 | return -1; |
e6d1c668 | 781 | } |
81179eec | 782 | |
fa2ea806 JA |
783 | free(argv); |
784 | ||
b9d2f30a | 785 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 786 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
787 | |
788 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 789 | return 0; |
132159a5 JA |
790 | } |
791 | ||
c28e8e8c JA |
792 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
793 | { | |
3989b143 JA |
794 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
795 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 796 | uint64_t tag = cmd->tag; |
c28e8e8c | 797 | |
89c1707c JA |
798 | dprint(FD_NET, "server: sending probe reply\n"); |
799 | ||
ca09be4b JA |
800 | strcpy(me, (char *) pdu->server); |
801 | ||
c28e8e8c JA |
802 | memset(&probe, 0, sizeof(probe)); |
803 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 804 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
805 | probe.bigendian = 1; |
806 | #endif | |
750db473 | 807 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 808 | |
cca84643 JA |
809 | probe.os = FIO_OS; |
810 | probe.arch = FIO_ARCH; | |
38fdef22 | 811 | probe.bpp = sizeof(void *); |
d31e26d0 | 812 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
813 | |
814 | /* | |
815 | * If the client supports compression and we do too, then enable it | |
816 | */ | |
817 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
818 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
819 | use_zlib = 1; | |
820 | } else { | |
821 | probe.flags = 0; | |
822 | use_zlib = 0; | |
823 | } | |
38fdef22 | 824 | |
f77d4b73 | 825 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
826 | } |
827 | ||
828 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
829 | { | |
830 | struct jobs_eta *je; | |
40c60516 | 831 | uint64_t tag = cmd->tag; |
723297c9 | 832 | size_t size; |
af9c9fb3 JA |
833 | int i; |
834 | ||
e123c833 JA |
835 | dprint(FD_NET, "server sending status\n"); |
836 | ||
837 | /* | |
838 | * Fake ETA return if we don't have a local one, otherwise the client | |
839 | * will end up timing out waiting for a response to the ETA request | |
840 | */ | |
c5103619 | 841 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
842 | if (!je) { |
843 | size = sizeof(*je); | |
844 | je = calloc(1, size); | |
845 | } else { | |
e123c833 JA |
846 | je->nr_running = cpu_to_le32(je->nr_running); |
847 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
848 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
849 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
850 | je->files_open = cpu_to_le32(je->files_open); | |
851 | ||
852 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
853 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
854 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
855 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
856 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
857 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
858 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
859 | } | |
af9c9fb3 | 860 | |
e123c833 JA |
861 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
862 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
863 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
864 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
865 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
866 | } |
867 | ||
f77d4b73 | 868 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 869 | return 0; |
c28e8e8c JA |
870 | } |
871 | ||
f77d4b73 | 872 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
873 | { |
874 | uint64_t tag = __tag; | |
875 | uint32_t pdu_error; | |
876 | ||
877 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 878 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
879 | } |
880 | ||
f58bd2a4 JA |
881 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
882 | { | |
883 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
884 | struct thread_data *td; | |
885 | uint32_t tnumber; | |
886 | ||
887 | tnumber = le32_to_cpu(pdu->thread_number); | |
888 | ||
889 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
890 | ||
30ffacbf | 891 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 892 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
893 | return 0; |
894 | } | |
895 | ||
30ffacbf | 896 | td = &threads[tnumber - 1]; |
f58bd2a4 | 897 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 898 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
899 | return 0; |
900 | } | |
901 | ||
ca09be4b JA |
902 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
903 | { | |
904 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
905 | char *buf = (char *) pdu->cmd; | |
906 | struct all_io_list *rep; | |
907 | size_t sz; | |
908 | ||
909 | pdu->len = le16_to_cpu(pdu->len); | |
910 | buf[pdu->len] = '\0'; | |
911 | ||
912 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
913 | if (!rep) { | |
914 | struct all_io_list state; | |
915 | ||
916 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
917 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
918 | } else | |
919 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
920 | |
921 | exec_trigger(buf); | |
922 | return 0; | |
923 | } | |
924 | ||
f77d4b73 JA |
925 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
926 | struct fio_net_cmd *cmd) | |
132159a5 JA |
927 | { |
928 | int ret; | |
929 | ||
4b91ee8f JA |
930 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
931 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
932 | (unsigned long long) cmd->tag); | |
46c48f1f | 933 | |
132159a5 JA |
934 | switch (cmd->opcode) { |
935 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 936 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
937 | ret = 0; |
938 | break; | |
d7959186 | 939 | case FIO_NET_CMD_EXIT: |
132159a5 | 940 | exit_backend = 1; |
c28e8e8c | 941 | return -1; |
323255cc JA |
942 | case FIO_NET_CMD_LOAD_FILE: |
943 | ret = handle_load_file_cmd(cmd); | |
944 | break; | |
132159a5 | 945 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 946 | ret = handle_job_cmd(cmd); |
132159a5 | 947 | break; |
81179eec JA |
948 | case FIO_NET_CMD_JOBLINE: |
949 | ret = handle_jobline_cmd(cmd); | |
950 | break; | |
c28e8e8c JA |
951 | case FIO_NET_CMD_PROBE: |
952 | ret = handle_probe_cmd(cmd); | |
953 | break; | |
af9c9fb3 JA |
954 | case FIO_NET_CMD_SEND_ETA: |
955 | ret = handle_send_eta_cmd(cmd); | |
956 | break; | |
b9d2f30a | 957 | case FIO_NET_CMD_RUN: |
f77d4b73 | 958 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 959 | break; |
f58bd2a4 JA |
960 | case FIO_NET_CMD_UPDATE_JOB: |
961 | ret = handle_update_job_cmd(cmd); | |
962 | break; | |
ca09be4b JA |
963 | case FIO_NET_CMD_VTRIGGER: |
964 | ret = handle_trigger_cmd(cmd); | |
965 | break; | |
966 | case FIO_NET_CMD_SENDFILE: { | |
967 | struct cmd_sendfile_reply *in; | |
968 | struct cmd_reply *rep; | |
969 | ||
970 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
971 | ||
972 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
973 | in->size = le32_to_cpu(in->size); | |
974 | in->error = le32_to_cpu(in->error); | |
975 | if (in->error) { | |
976 | ret = 1; | |
977 | rep->error = in->error; | |
978 | } else { | |
979 | ret = 0; | |
980 | rep->data = smalloc(in->size); | |
981 | if (!rep->data) { | |
982 | ret = 1; | |
983 | rep->error = ENOMEM; | |
984 | } else { | |
985 | rep->size = in->size; | |
986 | memcpy(rep->data, in->data, in->size); | |
987 | } | |
988 | } | |
989 | fio_mutex_up(&rep->lock); | |
990 | break; | |
991 | } | |
132159a5 | 992 | default: |
3c3ed070 | 993 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
994 | ret = 1; |
995 | } | |
996 | ||
997 | return ret; | |
998 | } | |
999 | ||
02594e37 JA |
1000 | /* |
1001 | * Send a command with a separate PDU, not inlined in the command | |
1002 | */ | |
1003 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1004 | off_t size, uint64_t tag, uint32_t flags) | |
1005 | { | |
1006 | struct fio_net_cmd cmd; | |
1007 | struct iovec iov[2]; | |
1008 | ||
1009 | iov[0].iov_base = (void *) &cmd; | |
1010 | iov[0].iov_len = sizeof(cmd); | |
1011 | iov[1].iov_base = (void *) buf; | |
1012 | iov[1].iov_len = size; | |
1013 | ||
1014 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1015 | cmd.flags = __cpu_to_le32(flags); | |
1016 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1017 | ||
1018 | return fio_sendv_data(sk, iov, 2); | |
1019 | } | |
1020 | ||
1021 | static void finish_entry(struct sk_entry *entry) | |
1022 | { | |
1023 | if (entry->flags & SK_F_FREE) | |
1024 | free(entry->buf); | |
1025 | else if (entry->flags & SK_F_COPY) | |
1026 | sfree(entry->buf); | |
1027 | ||
1028 | sfree(entry); | |
1029 | } | |
1030 | ||
b3882320 JA |
1031 | static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list, |
1032 | unsigned int *flags, uint64_t *tag) | |
02594e37 | 1033 | { |
b3882320 JA |
1034 | if (!flist_empty(list)) |
1035 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1036 | else |
b3882320 | 1037 | *flags = 0; |
02594e37 | 1038 | |
b3882320 JA |
1039 | if (entry->tagptr) |
1040 | *tag = *entry->tagptr; | |
02594e37 | 1041 | else |
b3882320 JA |
1042 | *tag = 0; |
1043 | } | |
02594e37 | 1044 | |
b3882320 JA |
1045 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1046 | { | |
1047 | unsigned int flags; | |
1048 | uint64_t tag; | |
1049 | int ret; | |
1050 | ||
1051 | entry_set_flags_tag(first, &first->next, &flags, &tag); | |
1052 | ||
1053 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags); | |
02594e37 JA |
1054 | |
1055 | while (!flist_empty(&first->next)) { | |
1056 | struct sk_entry *next; | |
1057 | ||
1058 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1059 | flist_del_init(&next->list); | |
02594e37 | 1060 | |
b3882320 | 1061 | entry_set_flags_tag(next, &first->next, &flags, &tag); |
02594e37 | 1062 | |
b3882320 | 1063 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags); |
02594e37 JA |
1064 | finish_entry(next); |
1065 | } | |
b3882320 JA |
1066 | |
1067 | return ret; | |
02594e37 JA |
1068 | } |
1069 | ||
b3882320 | 1070 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1071 | { |
b3882320 JA |
1072 | int ret; |
1073 | ||
02594e37 | 1074 | if (entry->flags & SK_F_VEC) |
b3882320 | 1075 | ret = send_vec_entry(sk_out, entry); |
f77d4b73 JA |
1076 | if (entry->flags & SK_F_SIMPLE) { |
1077 | uint64_t tag = 0; | |
1078 | ||
1079 | if (entry->tagptr) | |
1080 | tag = *entry->tagptr; | |
1081 | ||
b3882320 | 1082 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); |
f77d4b73 | 1083 | } else |
b3882320 JA |
1084 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); |
1085 | ||
1086 | if (ret) | |
1087 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1088 | |
02594e37 | 1089 | finish_entry(entry); |
b3882320 | 1090 | return ret; |
f77d4b73 JA |
1091 | } |
1092 | ||
b3882320 | 1093 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1094 | { |
1095 | struct sk_entry *entry; | |
1096 | FLIST_HEAD(list); | |
b3882320 | 1097 | int ret = 0; |
f77d4b73 JA |
1098 | |
1099 | sk_lock(sk_out); | |
1100 | if (flist_empty(&sk_out->list)) { | |
1101 | sk_unlock(sk_out); | |
b3882320 | 1102 | return 0; |
f77d4b73 JA |
1103 | } |
1104 | ||
1105 | flist_splice_init(&sk_out->list, &list); | |
1106 | sk_unlock(sk_out); | |
1107 | ||
1108 | while (!flist_empty(&list)) { | |
1109 | entry = flist_entry(list.next, struct sk_entry, list); | |
1110 | flist_del(&entry->list); | |
b3882320 | 1111 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1112 | } |
b3882320 JA |
1113 | |
1114 | return ret; | |
f77d4b73 JA |
1115 | } |
1116 | ||
1117 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1118 | { |
1119 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1120 | FLIST_HEAD(job_list); |
132159a5 JA |
1121 | int ret = 0; |
1122 | ||
122c7725 | 1123 | reset_fio_state(); |
122c7725 | 1124 | |
132159a5 JA |
1125 | /* read forever */ |
1126 | while (!exit_backend) { | |
e951bdc4 | 1127 | struct pollfd pfd = { |
f77d4b73 | 1128 | .fd = sk_out->sk, |
e951bdc4 JA |
1129 | .events = POLLIN, |
1130 | }; | |
1131 | ||
1132 | ret = 0; | |
1133 | do { | |
54163255 JA |
1134 | int timeout = 1000; |
1135 | ||
1136 | if (!flist_empty(&job_list)) | |
1137 | timeout = 100; | |
3c3ed070 | 1138 | |
f77d4b73 JA |
1139 | handle_xmits(sk_out); |
1140 | ||
1141 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1142 | if (ret < 0) { |
1143 | if (errno == EINTR) | |
1144 | break; | |
1145 | log_err("fio: poll: %s\n", strerror(errno)); | |
1146 | break; | |
19c65179 | 1147 | } else if (!ret) { |
6348b5de | 1148 | fio_server_check_jobs(&job_list); |
f77d4b73 | 1149 | fio_mutex_down_timeout(sk_out->wait, timeout); |
e951bdc4 | 1150 | continue; |
19c65179 | 1151 | } |
e951bdc4 JA |
1152 | |
1153 | if (pfd.revents & POLLIN) | |
1154 | break; | |
1155 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1156 | ret = 1; | |
1157 | break; | |
1158 | } | |
19c65179 | 1159 | } while (!exit_backend); |
e951bdc4 | 1160 | |
6348b5de | 1161 | fio_server_check_jobs(&job_list); |
122c7725 | 1162 | |
e951bdc4 JA |
1163 | if (ret < 0) |
1164 | break; | |
1165 | ||
f77d4b73 | 1166 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1167 | if (!cmd) { |
c28e8e8c | 1168 | ret = -1; |
132159a5 JA |
1169 | break; |
1170 | } | |
1171 | ||
f77d4b73 | 1172 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1173 | if (ret) |
1174 | break; | |
1175 | ||
1176 | free(cmd); | |
c77a99e7 | 1177 | cmd = NULL; |
132159a5 JA |
1178 | } |
1179 | ||
1180 | if (cmd) | |
1181 | free(cmd); | |
1182 | ||
f77d4b73 JA |
1183 | handle_xmits(sk_out); |
1184 | ||
1185 | close(sk_out->sk); | |
122c7725 | 1186 | _exit(ret); |
cc0df00a JA |
1187 | } |
1188 | ||
296ab20a BE |
1189 | /* get the address on this host bound by the input socket, |
1190 | * whether it is ipv6 or ipv4 */ | |
1191 | ||
f77d4b73 | 1192 | int get_my_addr_str(int sk) |
296ab20a | 1193 | { |
f77d4b73 JA |
1194 | struct sockaddr_in6 myaddr6 = { 0, }; |
1195 | struct sockaddr_in myaddr4 = { 0, }; | |
1196 | struct sockaddr *sockaddr_p; | |
1197 | char *net_addr; | |
1198 | socklen_t len; | |
1199 | int ret; | |
296ab20a | 1200 | |
f77d4b73 JA |
1201 | if (use_ipv6) { |
1202 | len = sizeof(myaddr6); | |
296ab20a | 1203 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1204 | net_addr = (char * )&myaddr6.sin6_addr; |
1205 | } else { | |
1206 | len = sizeof(myaddr4); | |
296ab20a | 1207 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1208 | net_addr = (char * )&myaddr4.sin_addr; |
1209 | } | |
1210 | ||
296ab20a BE |
1211 | ret = getsockname(sk, sockaddr_p, &len); |
1212 | if (ret) { | |
1213 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1214 | return -1; |
1215 | } | |
f77d4b73 JA |
1216 | |
1217 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1218 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1219 | return -1; |
1220 | } | |
f77d4b73 | 1221 | |
296ab20a BE |
1222 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1223 | return 0; | |
1224 | } | |
1225 | ||
24660963 | 1226 | static int accept_loop(struct sk_out *sk_out, int listen_sk) |
50d16976 | 1227 | { |
bb447a27 | 1228 | struct sockaddr_in addr; |
479471c4 JA |
1229 | struct sockaddr_in6 addr6; |
1230 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1231 | struct pollfd pfd; |
4a851614 | 1232 | int ret = 0, sk, exitval = 0; |
6348b5de | 1233 | FLIST_HEAD(conn_list); |
50d16976 | 1234 | |
60efd14e JA |
1235 | dprint(FD_NET, "server enter accept loop\n"); |
1236 | ||
4a851614 | 1237 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1238 | |
122c7725 | 1239 | while (!exit_backend) { |
479471c4 JA |
1240 | const char *from; |
1241 | char buf[64]; | |
122c7725 | 1242 | pid_t pid; |
009b1be4 | 1243 | |
122c7725 JA |
1244 | pfd.fd = listen_sk; |
1245 | pfd.events = POLLIN; | |
1246 | do { | |
54163255 JA |
1247 | int timeout = 1000; |
1248 | ||
1249 | if (!flist_empty(&conn_list)) | |
1250 | timeout = 100; | |
1251 | ||
1252 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1253 | if (ret < 0) { |
1254 | if (errno == EINTR) | |
1255 | break; | |
1256 | log_err("fio: poll: %s\n", strerror(errno)); | |
1257 | break; | |
1258 | } else if (!ret) { | |
6348b5de | 1259 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1260 | continue; |
1261 | } | |
009b1be4 | 1262 | |
122c7725 JA |
1263 | if (pfd.revents & POLLIN) |
1264 | break; | |
1265 | } while (!exit_backend); | |
50d16976 | 1266 | |
6348b5de | 1267 | fio_server_check_conns(&conn_list); |
46c48f1f | 1268 | |
122c7725 JA |
1269 | if (exit_backend || ret < 0) |
1270 | break; | |
1271 | ||
479471c4 JA |
1272 | if (use_ipv6) |
1273 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1274 | else | |
1275 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1276 | ||
122c7725 JA |
1277 | if (sk < 0) { |
1278 | log_err("fio: accept: %s\n", strerror(errno)); | |
1279 | return -1; | |
1280 | } | |
37db14fe | 1281 | |
479471c4 JA |
1282 | if (use_ipv6) |
1283 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1284 | else | |
1285 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1286 | ||
1287 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1288 | |
f77d4b73 JA |
1289 | sk_out->sk = sk; |
1290 | ||
122c7725 JA |
1291 | pid = fork(); |
1292 | if (pid) { | |
1293 | close(sk); | |
6348b5de | 1294 | fio_server_add_conn_pid(&conn_list, pid); |
f77d4b73 | 1295 | pthread_setspecific(sk_out_key, sk_out); |
122c7725 JA |
1296 | continue; |
1297 | } | |
5c341e9a | 1298 | |
122c7725 | 1299 | /* exits */ |
68d96e51 | 1300 | get_my_addr_str(sk); /* if error, it's already logged, non-fatal */ |
f77d4b73 | 1301 | handle_connection(sk_out); |
122c7725 | 1302 | } |
5c341e9a | 1303 | |
132159a5 | 1304 | return exitval; |
50d16976 JA |
1305 | } |
1306 | ||
084d1c6f | 1307 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1308 | { |
f77d4b73 | 1309 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1310 | struct cmd_text_pdu *pdu; |
1311 | unsigned int tlen; | |
1312 | struct timeval tv; | |
1313 | ||
f77d4b73 | 1314 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1315 | return -1; |
084d1c6f JA |
1316 | |
1317 | tlen = sizeof(*pdu) + len; | |
1318 | pdu = malloc(tlen); | |
1319 | ||
1320 | pdu->level = __cpu_to_le32(level); | |
1321 | pdu->buf_len = __cpu_to_le32(len); | |
1322 | ||
1323 | gettimeofday(&tv, NULL); | |
1324 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1325 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1326 | |
084d1c6f JA |
1327 | memcpy(pdu->buf, buf, len); |
1328 | ||
f77d4b73 | 1329 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1330 | free(pdu); |
1331 | return len; | |
142575e6 JA |
1332 | } |
1333 | ||
a64e88da JA |
1334 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1335 | { | |
1336 | dst->max_val = cpu_to_le64(src->max_val); | |
1337 | dst->min_val = cpu_to_le64(src->min_val); | |
1338 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1339 | |
1340 | /* | |
1341 | * Encode to IEEE 754 for network transfer | |
1342 | */ | |
e5c9093d JA |
1343 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1344 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1345 | } |
1346 | ||
1347 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1348 | { | |
1349 | int i; | |
1350 | ||
298921d6 | 1351 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1352 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1353 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1354 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1355 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1356 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1357 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1358 | } | |
1359 | ||
1360 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1361 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1362 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1363 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1364 | } |
1365 | ||
1366 | /* | |
1367 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1368 | * into a single payload. | |
1369 | */ | |
1370 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1371 | { | |
1372 | struct cmd_ts_pdu p; | |
1373 | int i, j; | |
1374 | ||
60efd14e JA |
1375 | dprint(FD_NET, "server sending end stats\n"); |
1376 | ||
317b3c8b JA |
1377 | memset(&p, 0, sizeof(p)); |
1378 | ||
4e59d0f3 JA |
1379 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1380 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1381 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1382 | |
2f122b13 JA |
1383 | p.ts.error = cpu_to_le32(ts->error); |
1384 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1385 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1386 | p.ts.pid = cpu_to_le32(ts->pid); | |
1387 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1388 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1389 | |
298921d6 | 1390 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1391 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1392 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1393 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1394 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1395 | } | |
1396 | ||
1397 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1398 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1399 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1400 | p.ts.minf = cpu_to_le64(ts->minf); | |
1401 | p.ts.majf = cpu_to_le64(ts->majf); | |
1402 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1403 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1404 | |
1405 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1406 | fio_fp64_t *src = &ts->percentile_list[i]; |
1407 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1408 | |
e5c9093d | 1409 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1410 | } |
a64e88da JA |
1411 | |
1412 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1413 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1414 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1415 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1416 | } | |
1417 | ||
1418 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1419 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1420 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1421 | } | |
1422 | ||
298921d6 | 1423 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1424 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1425 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1426 | ||
78799deb | 1427 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1428 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1429 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1430 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1431 | } |
1432 | ||
93eee04a | 1433 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1434 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1435 | ||
298921d6 | 1436 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1437 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1438 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1439 | } | |
1440 | ||
1441 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1442 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1443 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1444 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1445 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1446 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1447 | |
3e260a46 JA |
1448 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1449 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1450 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1451 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1452 | |
66347cfa DE |
1453 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1454 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1455 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1456 | ||
a64e88da JA |
1457 | convert_gs(&p.rs, rs); |
1458 | ||
f77d4b73 | 1459 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1460 | } |
1461 | ||
1462 | void fio_server_send_gs(struct group_run_stats *rs) | |
1463 | { | |
1464 | struct group_run_stats gs; | |
1465 | ||
60efd14e JA |
1466 | dprint(FD_NET, "server sending group run stats\n"); |
1467 | ||
a64e88da | 1468 | convert_gs(&gs, rs); |
f77d4b73 | 1469 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1470 | } |
1471 | ||
d09a64a0 JA |
1472 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1473 | { | |
1474 | int i; | |
1475 | ||
1476 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1477 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1478 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1479 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1480 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1481 | } |
1482 | ||
504bc961 JA |
1483 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1484 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1485 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1486 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1487 | } |
1488 | ||
1489 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1490 | { | |
1491 | int i; | |
1492 | ||
59140421 JA |
1493 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1494 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1495 | |
1496 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1497 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1498 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1499 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1500 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1501 | } |
1502 | ||
504bc961 JA |
1503 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1504 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1505 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1506 | } |
1507 | ||
1508 | void fio_server_send_du(void) | |
1509 | { | |
1510 | struct disk_util *du; | |
1511 | struct flist_head *entry; | |
1512 | struct cmd_du_pdu pdu; | |
1513 | ||
1514 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1515 | ||
0766d92e JA |
1516 | memset(&pdu, 0, sizeof(pdu)); |
1517 | ||
d09a64a0 JA |
1518 | flist_for_each(entry, &disk_list) { |
1519 | du = flist_entry(entry, struct disk_util, list); | |
1520 | ||
1521 | convert_dus(&pdu.dus, &du->dus); | |
1522 | convert_agg(&pdu.agg, &du->agg); | |
1523 | ||
f77d4b73 | 1524 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1525 | } |
1526 | } | |
1527 | ||
02594e37 | 1528 | static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1529 | { |
3989b143 JA |
1530 | int ret = 0; |
1531 | #ifdef CONFIG_ZLIB | |
02594e37 | 1532 | struct sk_entry *entry; |
1b42725f JA |
1533 | z_stream stream; |
1534 | void *out_pdu; | |
1b42725f JA |
1535 | |
1536 | /* | |
1537 | * Dirty - since the log is potentially huge, compress it into | |
1538 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1539 | * side defragment it. | |
1540 | */ | |
1541 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1542 | ||
1543 | stream.zalloc = Z_NULL; | |
1544 | stream.zfree = Z_NULL; | |
1545 | stream.opaque = Z_NULL; | |
1546 | ||
1547 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1548 | ret = 1; |
1549 | goto err; | |
1b42725f JA |
1550 | } |
1551 | ||
f5ed765a | 1552 | stream.next_in = (void *) log->log; |
ae588852 | 1553 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1554 | |
1555 | do { | |
02594e37 | 1556 | unsigned int this_len; |
1b42725f JA |
1557 | |
1558 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1559 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1560 | ret = deflate(&stream, Z_FINISH); |
1561 | /* may be Z_OK, or Z_STREAM_END */ | |
1562 | if (ret < 0) | |
1563 | goto err_zlib; | |
1b42725f JA |
1564 | |
1565 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1566 | ||
02594e37 JA |
1567 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
1568 | NULL, SK_F_FREE | SK_F_VEC); | |
1569 | flist_add_tail(&entry->list, &first->next); | |
1b42725f JA |
1570 | } while (stream.avail_in); |
1571 | ||
53bd8dbc | 1572 | err_zlib: |
1b42725f | 1573 | deflateEnd(&stream); |
53bd8dbc JA |
1574 | err: |
1575 | free(out_pdu); | |
3989b143 | 1576 | #endif |
53bd8dbc | 1577 | return ret; |
1b42725f JA |
1578 | } |
1579 | ||
3989b143 JA |
1580 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1581 | { | |
1582 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1583 | struct sk_entry *first; |
3989b143 JA |
1584 | int i, ret = 0; |
1585 | ||
ae588852 | 1586 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1587 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1588 | pdu.log_type = cpu_to_le32(log->log_type); |
1589 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1590 | |
1591 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1592 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1593 | |
1594 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1595 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1596 | |
b26317c9 JA |
1597 | s->time = cpu_to_le64(s->time); |
1598 | s->val = cpu_to_le64(s->val); | |
1599 | s->__ddir = cpu_to_le32(s->__ddir); | |
1600 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1601 | |
1602 | if (log->log_offset) { | |
1603 | struct io_sample_offset *so = (void *) s; | |
1604 | ||
1605 | so->offset = cpu_to_le64(so->offset); | |
1606 | } | |
3989b143 JA |
1607 | } |
1608 | ||
1609 | /* | |
02594e37 | 1610 | * Assemble header entry first |
3989b143 | 1611 | */ |
02594e37 | 1612 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC); |
3989b143 JA |
1613 | |
1614 | /* | |
02594e37 JA |
1615 | * Now append actual log entries. Compress if we can, otherwise just |
1616 | * plain text output. | |
3989b143 JA |
1617 | */ |
1618 | if (use_zlib) | |
02594e37 | 1619 | ret = fio_send_iolog_gz(first, log); |
f77d4b73 | 1620 | else { |
02594e37 JA |
1621 | struct sk_entry *entry; |
1622 | ||
1623 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, | |
1624 | log->nr_samples * log_entry_sz(log), | |
1625 | NULL, SK_F_FREE | SK_F_VEC); | |
1626 | flist_add_tail(&entry->list, &first->next); | |
f77d4b73 | 1627 | } |
3989b143 | 1628 | |
f77d4b73 | 1629 | return ret; |
3989b143 JA |
1630 | } |
1631 | ||
2f122b13 | 1632 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1633 | { |
1634 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1635 | |
731e30a2 | 1636 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1637 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1638 | pdu.groupid = cpu_to_le32(td->groupid); | |
1639 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1640 | |
f77d4b73 | 1641 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
807f9971 JA |
1642 | } |
1643 | ||
122c7725 JA |
1644 | void fio_server_send_start(struct thread_data *td) |
1645 | { | |
f77d4b73 JA |
1646 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1647 | ||
1648 | assert(sk_out->sk != -1); | |
122c7725 | 1649 | |
f77d4b73 | 1650 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1651 | } |
1652 | ||
ca09be4b | 1653 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1654 | void **datap, int *version) |
ca09be4b JA |
1655 | { |
1656 | struct thread_io_list *s; | |
1657 | struct cmd_sendfile out; | |
1658 | struct cmd_reply *rep; | |
1659 | uint64_t tag; | |
1660 | void *data; | |
1661 | ||
1662 | dprint(FD_NET, "server: request verify state\n"); | |
1663 | ||
1664 | rep = smalloc(sizeof(*rep)); | |
1665 | if (!rep) { | |
1666 | log_err("fio: smalloc pool too small\n"); | |
1667 | return 1; | |
1668 | } | |
1669 | ||
1670 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1671 | rep->data = NULL; | |
1672 | rep->error = 0; | |
1673 | ||
e499aedc JA |
1674 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1675 | threadnumber); | |
ca09be4b | 1676 | tag = (uint64_t) (uintptr_t) rep; |
f77d4b73 | 1677 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); |
ca09be4b JA |
1678 | |
1679 | /* | |
1680 | * Wait for the backend to receive the reply | |
1681 | */ | |
09400a60 | 1682 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b JA |
1683 | log_err("fio: timed out waiting for reply\n"); |
1684 | goto fail; | |
1685 | } | |
1686 | ||
1687 | if (rep->error) { | |
1688 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1689 | fail: | |
1690 | *datap = NULL; | |
1691 | sfree(rep); | |
f77d4b73 | 1692 | fio_net_queue_quit(); |
ca09be4b JA |
1693 | return 1; |
1694 | } | |
1695 | ||
1696 | /* | |
1697 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1698 | * the header, and the thread_io_list checksum | |
1699 | */ | |
1700 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1701 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1702 | goto fail; |
1703 | ||
1704 | /* | |
1705 | * Don't need the header from now, copy just the thread_io_list | |
1706 | */ | |
1707 | rep->size -= sizeof(struct verify_state_hdr); | |
1708 | data = malloc(rep->size); | |
1709 | memcpy(data, s, rep->size); | |
1710 | *datap = data; | |
1711 | ||
1712 | sfree(rep->data); | |
f5a42524 | 1713 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1714 | sfree(rep); |
1715 | return 0; | |
1716 | } | |
1717 | ||
87aa8f19 | 1718 | static int fio_init_server_ip(void) |
81179eec | 1719 | { |
811826be | 1720 | struct sockaddr *addr; |
67bf9823 | 1721 | socklen_t socklen; |
17e3531a JA |
1722 | char buf[80]; |
1723 | const char *str; | |
87aa8f19 | 1724 | int sk, opt; |
81179eec | 1725 | |
811826be JA |
1726 | if (use_ipv6) |
1727 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1728 | else | |
1729 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1730 | ||
81179eec JA |
1731 | if (sk < 0) { |
1732 | log_err("fio: socket: %s\n", strerror(errno)); | |
1733 | return -1; | |
1734 | } | |
1735 | ||
1736 | opt = 1; | |
1f81991e | 1737 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1738 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1739 | close(sk); |
81179eec JA |
1740 | return -1; |
1741 | } | |
1742 | #ifdef SO_REUSEPORT | |
6eb24791 | 1743 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1744 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1745 | close(sk); |
81179eec JA |
1746 | return -1; |
1747 | } | |
1748 | #endif | |
1749 | ||
811826be | 1750 | if (use_ipv6) { |
17e3531a JA |
1751 | const void *src = &saddr_in6.sin6_addr; |
1752 | ||
811826be JA |
1753 | addr = (struct sockaddr *) &saddr_in6; |
1754 | socklen = sizeof(saddr_in6); | |
1755 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1756 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1757 | } else { |
17e3531a JA |
1758 | const void *src = &saddr_in.sin_addr; |
1759 | ||
811826be JA |
1760 | addr = (struct sockaddr *) &saddr_in; |
1761 | socklen = sizeof(saddr_in); | |
1762 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1763 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1764 | } |
81179eec | 1765 | |
811826be | 1766 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1767 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1768 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1769 | close(sk); |
81179eec JA |
1770 | return -1; |
1771 | } | |
1772 | ||
87aa8f19 JA |
1773 | return sk; |
1774 | } | |
1775 | ||
1776 | static int fio_init_server_sock(void) | |
1777 | { | |
1778 | struct sockaddr_un addr; | |
67bf9823 | 1779 | socklen_t len; |
87aa8f19 JA |
1780 | mode_t mode; |
1781 | int sk; | |
1782 | ||
1783 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1784 | if (sk < 0) { | |
1785 | log_err("fio: socket: %s\n", strerror(errno)); | |
1786 | return -1; | |
1787 | } | |
1788 | ||
1789 | mode = umask(000); | |
1790 | ||
1791 | memset(&addr, 0, sizeof(addr)); | |
1792 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1793 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1794 | |
1795 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1796 | ||
1797 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1798 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1799 | close(sk); |
87aa8f19 JA |
1800 | return -1; |
1801 | } | |
1802 | ||
1803 | umask(mode); | |
1804 | return sk; | |
1805 | } | |
1806 | ||
1807 | static int fio_init_server_connection(void) | |
1808 | { | |
bebe6398 | 1809 | char bind_str[128]; |
87aa8f19 JA |
1810 | int sk; |
1811 | ||
1812 | dprint(FD_NET, "starting server\n"); | |
1813 | ||
1814 | if (!bind_sock) | |
1815 | sk = fio_init_server_ip(); | |
1816 | else | |
1817 | sk = fio_init_server_sock(); | |
1818 | ||
1819 | if (sk < 0) | |
1820 | return sk; | |
1821 | ||
afdcad23 JA |
1822 | memset(bind_str, 0, sizeof(bind_str)); |
1823 | ||
811826be JA |
1824 | if (!bind_sock) { |
1825 | char *p, port[16]; | |
1826 | const void *src; | |
1827 | int af; | |
1828 | ||
1829 | if (use_ipv6) { | |
1830 | af = AF_INET6; | |
1831 | src = &saddr_in6.sin6_addr; | |
1832 | } else { | |
1833 | af = AF_INET; | |
1834 | src = &saddr_in.sin_addr; | |
1835 | } | |
1836 | ||
1837 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1838 | ||
1839 | sprintf(port, ",%u", fio_net_port); | |
1840 | if (p) | |
1841 | strcat(p, port); | |
1842 | else | |
afdcad23 | 1843 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1844 | } else |
afdcad23 | 1845 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1846 | |
1847 | log_info("fio: server listening on %s\n", bind_str); | |
1848 | ||
89c1707c | 1849 | if (listen(sk, 0) < 0) { |
81179eec | 1850 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1851 | close(sk); |
81179eec JA |
1852 | return -1; |
1853 | } | |
1854 | ||
87aa8f19 JA |
1855 | return sk; |
1856 | } | |
1857 | ||
3aa3ceeb | 1858 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1859 | struct in6_addr *inp6) |
1860 | ||
1861 | { | |
1862 | int ret = 0; | |
1863 | ||
3aa3ceeb | 1864 | if (ipv6) |
3ec62ec4 JA |
1865 | ret = inet_pton(AF_INET6, host, inp6); |
1866 | else | |
1867 | ret = inet_pton(AF_INET, host, inp); | |
1868 | ||
1869 | if (ret != 1) { | |
479471c4 JA |
1870 | struct addrinfo hints, *res; |
1871 | ||
1872 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1873 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1874 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1875 | |
479471c4 JA |
1876 | ret = getaddrinfo(host, NULL, &hints, &res); |
1877 | if (ret) { | |
1878 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1879 | gai_strerror(ret)); | |
3caf43e3 | 1880 | return 1; |
3ec62ec4 JA |
1881 | } |
1882 | ||
3aa3ceeb | 1883 | if (ipv6) |
479471c4 JA |
1884 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1885 | else | |
1886 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1887 | ||
3ec62ec4 | 1888 | ret = 1; |
479471c4 | 1889 | freeaddrinfo(res); |
3ec62ec4 JA |
1890 | } |
1891 | ||
1892 | return !(ret == 1); | |
1893 | } | |
1894 | ||
660a2bfb JA |
1895 | /* |
1896 | * Parse a host/ip/port string. Reads from 'str'. | |
1897 | * | |
1898 | * Outputs: | |
1899 | * | |
1900 | * For IPv4: | |
1901 | * *ptr is the host, *port is the port, inp is the destination. | |
1902 | * For IPv6: | |
1903 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1904 | * For local domain sockets: | |
1905 | * *ptr is the filename, *is_sock is 1. | |
1906 | */ | |
bebe6398 | 1907 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1908 | int *port, struct in_addr *inp, |
1909 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1910 | { |
76867621 JA |
1911 | const char *host = str; |
1912 | char *portp; | |
3ec62ec4 | 1913 | int lport = 0; |
76867621 | 1914 | |
bebe6398 JA |
1915 | *ptr = NULL; |
1916 | *is_sock = 0; | |
6d2cf394 | 1917 | *port = fio_net_port; |
811826be | 1918 | *ipv6 = 0; |
bebe6398 JA |
1919 | |
1920 | if (!strncmp(str, "sock:", 5)) { | |
1921 | *ptr = strdup(str + 5); | |
1922 | *is_sock = 1; | |
76867621 JA |
1923 | |
1924 | return 0; | |
1925 | } | |
1926 | ||
1927 | /* | |
1928 | * Is it ip:<ip or host>:port | |
1929 | */ | |
1930 | if (!strncmp(host, "ip:", 3)) | |
1931 | host += 3; | |
1932 | else if (!strncmp(host, "ip4:", 4)) | |
1933 | host += 4; | |
1934 | else if (!strncmp(host, "ip6:", 4)) { | |
1935 | host += 4; | |
1936 | *ipv6 = 1; | |
1937 | } else if (host[0] == ':') { | |
1938 | /* String is :port */ | |
1939 | host++; | |
1940 | lport = atoi(host); | |
1941 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1942 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1943 | return 1; |
1944 | } | |
1945 | /* no hostname given, we are done */ | |
1946 | *port = lport; | |
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | /* | |
b96b90c3 | 1951 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1952 | */ |
1953 | if (!lport) { | |
1954 | portp = strchr(host, ','); | |
1955 | if (portp) { | |
1956 | *portp = '\0'; | |
1957 | portp++; | |
1958 | lport = atoi(portp); | |
bebe6398 | 1959 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1960 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1961 | return 1; |
1962 | } | |
bebe6398 | 1963 | } |
76867621 | 1964 | } |
bebe6398 | 1965 | |
76867621 JA |
1966 | if (lport) |
1967 | *port = lport; | |
bebe6398 | 1968 | |
76867621 JA |
1969 | if (!strlen(host)) |
1970 | return 0; | |
bebe6398 | 1971 | |
76867621 | 1972 | *ptr = strdup(host); |
811826be | 1973 | |
3aa3ceeb | 1974 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1975 | free(*ptr); |
1976 | *ptr = NULL; | |
1977 | return 1; | |
bebe6398 JA |
1978 | } |
1979 | ||
1980 | if (*port == 0) | |
1981 | *port = fio_net_port; | |
1982 | ||
1983 | return 0; | |
1984 | } | |
1985 | ||
87aa8f19 JA |
1986 | /* |
1987 | * Server arg should be one of: | |
1988 | * | |
1989 | * sock:/path/to/socket | |
1990 | * ip:1.2.3.4 | |
1991 | * 1.2.3.4 | |
1992 | * | |
1993 | * Where sock uses unix domain sockets, and ip binds the server to | |
1994 | * a specific interface. If no arguments are given to the server, it | |
1995 | * uses IP and binds to 0.0.0.0. | |
1996 | * | |
1997 | */ | |
1998 | static int fio_handle_server_arg(void) | |
1999 | { | |
6d2cf394 | 2000 | int port = fio_net_port; |
a7de0a11 | 2001 | int is_sock, ret = 0; |
bebe6398 | 2002 | |
87aa8f19 JA |
2003 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2004 | ||
2005 | if (!fio_server_arg) | |
a7de0a11 | 2006 | goto out; |
87aa8f19 | 2007 | |
4e5b8fb8 | 2008 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2009 | &port, &saddr_in.sin_addr, |
2010 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2011 | |
2012 | if (!is_sock && bind_sock) { | |
2013 | free(bind_sock); | |
2014 | bind_sock = NULL; | |
2015 | } | |
2016 | ||
a7de0a11 | 2017 | out: |
6d2cf394 JA |
2018 | fio_net_port = port; |
2019 | saddr_in.sin_port = htons(port); | |
811826be | 2020 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2021 | return ret; |
87aa8f19 JA |
2022 | } |
2023 | ||
43cdea1d JA |
2024 | static void sig_int(int sig) |
2025 | { | |
2026 | if (bind_sock) | |
2027 | unlink(bind_sock); | |
2028 | } | |
2029 | ||
2030 | static void set_sig_handlers(void) | |
2031 | { | |
2032 | struct sigaction act; | |
2033 | ||
2034 | memset(&act, 0, sizeof(act)); | |
2035 | act.sa_handler = sig_int; | |
2036 | act.sa_flags = SA_RESTART; | |
2037 | sigaction(SIGINT, &act, NULL); | |
2038 | } | |
2039 | ||
87aa8f19 JA |
2040 | static int fio_server(void) |
2041 | { | |
24660963 | 2042 | struct sk_out *sk_out; |
87aa8f19 JA |
2043 | int sk, ret; |
2044 | ||
2045 | dprint(FD_NET, "starting server\n"); | |
2046 | ||
2047 | if (fio_handle_server_arg()) | |
2048 | return -1; | |
2049 | ||
2050 | sk = fio_init_server_connection(); | |
2051 | if (sk < 0) | |
2052 | return -1; | |
81179eec | 2053 | |
43cdea1d JA |
2054 | set_sig_handlers(); |
2055 | ||
f77d4b73 JA |
2056 | if (pthread_key_create(&sk_out_key, NULL)) |
2057 | log_err("fio: can't create sk_out backend key\n"); | |
2058 | ||
24660963 JA |
2059 | sk_out = smalloc(sizeof(*sk_out)); |
2060 | INIT_FLIST_HEAD(&sk_out->list); | |
2061 | sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); | |
2062 | sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED); | |
2063 | ||
2064 | sk_out_assign(sk_out); | |
2065 | ||
2066 | ret = accept_loop(sk_out, sk); | |
87aa8f19 | 2067 | |
81179eec | 2068 | close(sk); |
87aa8f19 JA |
2069 | |
2070 | if (fio_server_arg) { | |
2071 | free(fio_server_arg); | |
2072 | fio_server_arg = NULL; | |
2073 | } | |
bebe6398 JA |
2074 | if (bind_sock) |
2075 | free(bind_sock); | |
87aa8f19 | 2076 | |
24660963 JA |
2077 | sk_out_drop(); |
2078 | ||
81179eec JA |
2079 | return ret; |
2080 | } | |
2081 | ||
7b821684 | 2082 | void fio_server_got_signal(int signal) |
9abea48b | 2083 | { |
f77d4b73 JA |
2084 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2085 | ||
2086 | assert(sk_out); | |
2087 | ||
7b821684 | 2088 | if (signal == SIGPIPE) |
f77d4b73 | 2089 | sk_out->sk = -1; |
7b821684 JA |
2090 | else { |
2091 | log_info("\nfio: terminating on signal %d\n", signal); | |
2092 | exit_backend = 1; | |
2093 | } | |
9abea48b JA |
2094 | } |
2095 | ||
13755d94 JA |
2096 | static int check_existing_pidfile(const char *pidfile) |
2097 | { | |
2098 | struct stat sb; | |
2099 | char buf[16]; | |
2100 | pid_t pid; | |
2101 | FILE *f; | |
2102 | ||
2103 | if (stat(pidfile, &sb)) | |
2104 | return 0; | |
2105 | ||
2106 | f = fopen(pidfile, "r"); | |
2107 | if (!f) | |
2108 | return 0; | |
2109 | ||
bfc3b179 | 2110 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2111 | fclose(f); |
2112 | return 1; | |
2113 | } | |
2114 | fclose(f); | |
2115 | ||
2116 | pid = atoi(buf); | |
2117 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2118 | return errno != ESRCH; |
13755d94 JA |
2119 | |
2120 | return 1; | |
2121 | } | |
2122 | ||
2123 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2124 | { |
2125 | FILE *fpid; | |
2126 | ||
2127 | fpid = fopen(pidfile, "w"); | |
2128 | if (!fpid) { | |
2129 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2130 | return 1; |
402668f3 JA |
2131 | } |
2132 | ||
2133 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2134 | fclose(fpid); |
2135 | return 0; | |
402668f3 JA |
2136 | } |
2137 | ||
2138 | /* | |
2139 | * If pidfile is specified, background us. | |
2140 | */ | |
2141 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2142 | { |
2143 | pid_t pid; | |
402668f3 | 2144 | int ret; |
e46d8091 | 2145 | |
93bcfd20 | 2146 | #if defined(WIN32) |
905c78b9 | 2147 | WSADATA wsd; |
3c3ed070 | 2148 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2149 | #endif |
2150 | ||
402668f3 | 2151 | if (!pidfile) |
e46d8091 JA |
2152 | return fio_server(); |
2153 | ||
13755d94 JA |
2154 | if (check_existing_pidfile(pidfile)) { |
2155 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2156 | pidfile); | |
b8ba87ac | 2157 | free(pidfile); |
13755d94 JA |
2158 | return -1; |
2159 | } | |
2160 | ||
e46d8091 JA |
2161 | pid = fork(); |
2162 | if (pid < 0) { | |
13755d94 | 2163 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2164 | free(pidfile); |
c28e8e8c | 2165 | return -1; |
402668f3 | 2166 | } else if (pid) { |
8a1db9a1 | 2167 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2168 | free(pidfile); |
44c8268d | 2169 | _exit(ret); |
402668f3 | 2170 | } |
e46d8091 JA |
2171 | |
2172 | setsid(); | |
13755d94 JA |
2173 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2174 | log_syslog = 1; | |
e46d8091 JA |
2175 | close(STDIN_FILENO); |
2176 | close(STDOUT_FILENO); | |
2177 | close(STDERR_FILENO); | |
2178 | f_out = NULL; | |
2179 | f_err = NULL; | |
402668f3 JA |
2180 | |
2181 | ret = fio_server(); | |
2182 | ||
2183 | closelog(); | |
2184 | unlink(pidfile); | |
2185 | free(pidfile); | |
2186 | return ret; | |
e46d8091 | 2187 | } |
87aa8f19 | 2188 | |
bebe6398 | 2189 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2190 | { |
2191 | fio_server_arg = strdup(arg); | |
2192 | } |