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 { | |
0ae6acea JA |
53 | unsigned int refs; /* frees sk_out when it drops to zero. |
54 | * protected by below ->lock */ | |
24660963 | 55 | |
0ae6acea JA |
56 | int sk; /* socket fd to talk to client */ |
57 | struct fio_mutex *lock; /* protects ref and below list */ | |
58 | struct flist_head list; /* list of pending transmit work */ | |
59 | struct fio_mutex *wait; /* wake backend when items added to list */ | |
f77d4b73 JA |
60 | }; |
61 | ||
87aa8f19 JA |
62 | static char *fio_server_arg; |
63 | static char *bind_sock; | |
64 | static struct sockaddr_in saddr_in; | |
811826be | 65 | static struct sockaddr_in6 saddr_in6; |
811826be | 66 | static int use_ipv6; |
3989b143 JA |
67 | #ifdef CONFIG_ZLIB |
68 | static unsigned int has_zlib = 1; | |
69 | #else | |
70 | static unsigned int has_zlib = 0; | |
71 | #endif | |
72 | static unsigned int use_zlib; | |
ca09be4b | 73 | static char me[128]; |
37db14fe | 74 | |
f77d4b73 JA |
75 | static pthread_key_t sk_out_key; |
76 | ||
122c7725 JA |
77 | struct fio_fork_item { |
78 | struct flist_head list; | |
79 | int exitval; | |
80 | int signal; | |
81 | int exited; | |
82 | pid_t pid; | |
83 | }; | |
84 | ||
ca09be4b JA |
85 | struct cmd_reply { |
86 | struct fio_mutex lock; | |
87 | void *data; | |
88 | size_t size; | |
89 | int error; | |
90 | }; | |
91 | ||
89c1707c JA |
92 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
93 | "", | |
94 | "QUIT", | |
95 | "EXIT", | |
96 | "JOB", | |
97 | "JOBLINE", | |
98 | "TEXT", | |
99 | "TS", | |
100 | "GS", | |
101 | "SEND_ETA", | |
102 | "ETA", | |
103 | "PROBE", | |
104 | "START", | |
d09a64a0 JA |
105 | "STOP", |
106 | "DISK_UTIL", | |
b9d2f30a | 107 | "SERVER_START", |
807f9971 | 108 | "ADD_JOB", |
ca09be4b JA |
109 | "RUN", |
110 | "IOLOG", | |
111 | "UPDATE_JOB", | |
112 | "LOAD_FILE", | |
113 | "VTRIGGER", | |
114 | "SENDFILE", | |
89c1707c JA |
115 | }; |
116 | ||
f77d4b73 JA |
117 | static void sk_lock(struct sk_out *sk_out) |
118 | { | |
119 | fio_mutex_down(sk_out->lock); | |
120 | } | |
121 | ||
122 | static void sk_unlock(struct sk_out *sk_out) | |
123 | { | |
124 | fio_mutex_up(sk_out->lock); | |
125 | } | |
126 | ||
24660963 JA |
127 | void sk_out_assign(struct sk_out *sk_out) |
128 | { | |
129 | if (!sk_out) | |
130 | return; | |
131 | ||
132 | sk_lock(sk_out); | |
133 | sk_out->refs++; | |
134 | sk_unlock(sk_out); | |
135 | pthread_setspecific(sk_out_key, sk_out); | |
136 | } | |
137 | ||
bce503fc | 138 | static void sk_out_free(struct sk_out *sk_out) |
24660963 JA |
139 | { |
140 | fio_mutex_remove(sk_out->lock); | |
141 | fio_mutex_remove(sk_out->wait); | |
142 | sfree(sk_out); | |
143 | } | |
144 | ||
bce503fc | 145 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 146 | { |
24660963 JA |
147 | if (sk_out) { |
148 | int refs; | |
149 | ||
150 | sk_lock(sk_out); | |
151 | refs = --sk_out->refs; | |
152 | sk_unlock(sk_out); | |
153 | ||
bce503fc JA |
154 | if (!refs) { |
155 | sk_out_free(sk_out); | |
156 | return 0; | |
157 | } | |
158 | } | |
159 | ||
160 | return 1; | |
161 | } | |
162 | ||
163 | void sk_out_drop(void) | |
164 | { | |
165 | struct sk_out *sk_out; | |
24660963 | 166 | |
bce503fc JA |
167 | sk_out = pthread_getspecific(sk_out_key); |
168 | if (!__sk_out_drop(sk_out)) | |
24660963 | 169 | pthread_setspecific(sk_out_key, NULL); |
24660963 JA |
170 | } |
171 | ||
89c1707c JA |
172 | const char *fio_server_op(unsigned int op) |
173 | { | |
174 | static char buf[32]; | |
175 | ||
176 | if (op < FIO_NET_CMD_NR) | |
177 | return fio_server_ops[op]; | |
178 | ||
179 | sprintf(buf, "UNKNOWN/%d", op); | |
180 | return buf; | |
181 | } | |
182 | ||
5235f626 | 183 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 184 | { |
5235f626 | 185 | ssize_t ret = 0; |
794d69ca | 186 | |
5235f626 JA |
187 | while (count--) { |
188 | ret += iov->iov_len; | |
189 | iov++; | |
190 | } | |
191 | ||
192 | return ret; | |
193 | } | |
132159a5 | 194 | |
5235f626 JA |
195 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
196 | { | |
197 | ssize_t total_len = iov_total_len(iov, count); | |
198 | ssize_t ret; | |
199 | ||
200 | do { | |
201 | ret = writev(sk, iov, count); | |
132159a5 | 202 | if (ret > 0) { |
5235f626 JA |
203 | total_len -= ret; |
204 | if (!total_len) | |
132159a5 | 205 | break; |
5235f626 JA |
206 | |
207 | while (ret) { | |
208 | if (ret >= iov->iov_len) { | |
209 | ret -= iov->iov_len; | |
210 | iov++; | |
211 | continue; | |
212 | } | |
213 | iov->iov_base += ret; | |
214 | iov->iov_len -= ret; | |
215 | ret = 0; | |
216 | } | |
132159a5 JA |
217 | } else if (!ret) |
218 | break; | |
219 | else if (errno == EAGAIN || errno == EINTR) | |
220 | continue; | |
7b821684 JA |
221 | else |
222 | break; | |
132159a5 JA |
223 | } while (!exit_backend); |
224 | ||
5235f626 | 225 | if (!total_len) |
132159a5 JA |
226 | return 0; |
227 | ||
228 | return 1; | |
229 | } | |
230 | ||
5235f626 JA |
231 | int fio_send_data(int sk, const void *p, unsigned int len) |
232 | { | |
233 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
234 | ||
235 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
236 | ||
237 | return fio_sendv_data(sk, &iov, 1); | |
238 | } | |
239 | ||
132159a5 JA |
240 | int fio_recv_data(int sk, void *p, unsigned int len) |
241 | { | |
242 | do { | |
243 | int ret = recv(sk, p, len, MSG_WAITALL); | |
244 | ||
245 | if (ret > 0) { | |
246 | len -= ret; | |
247 | if (!len) | |
248 | break; | |
249 | p += ret; | |
250 | continue; | |
251 | } else if (!ret) | |
252 | break; | |
253 | else if (errno == EAGAIN || errno == EINTR) | |
254 | continue; | |
7b821684 JA |
255 | else |
256 | break; | |
132159a5 JA |
257 | } while (!exit_backend); |
258 | ||
259 | if (!len) | |
260 | return 0; | |
261 | ||
262 | return -1; | |
263 | } | |
264 | ||
265 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
266 | { | |
fcee5ff6 | 267 | uint16_t crc; |
132159a5 | 268 | |
fcee5ff6 JA |
269 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
270 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 271 | |
25dfa848 | 272 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 273 | if (crc != cmd->cmd_crc16) { |
132159a5 | 274 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 275 | cmd->cmd_crc16, crc); |
132159a5 JA |
276 | return 1; |
277 | } | |
278 | ||
279 | cmd->version = le16_to_cpu(cmd->version); | |
280 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
281 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 282 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
283 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
284 | ||
285 | switch (cmd->version) { | |
fa2ea806 | 286 | case FIO_SERVER_VER: |
132159a5 JA |
287 | break; |
288 | default: | |
289 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
290 | return 1; | |
291 | } | |
292 | ||
b9d2f30a | 293 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
294 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
295 | return 1; | |
296 | } | |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
a64e88da JA |
301 | /* |
302 | * Read (and defragment, if necessary) incoming commands | |
303 | */ | |
e951bdc4 | 304 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 305 | { |
dfbf1f6f | 306 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 307 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 308 | uint16_t crc; |
a64e88da JA |
309 | int ret, first = 1; |
310 | void *pdu = NULL; | |
132159a5 | 311 | |
a64e88da JA |
312 | do { |
313 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
314 | if (ret) | |
315 | break; | |
132159a5 | 316 | |
a64e88da JA |
317 | /* We have a command, verify it and swap if need be */ |
318 | ret = verify_convert_cmd(&cmd); | |
319 | if (ret) | |
320 | break; | |
132159a5 | 321 | |
0b8f30a5 JA |
322 | if (first) { |
323 | /* if this is text, add room for \0 at the end */ | |
324 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
325 | assert(!cmdret); | |
326 | } else | |
a64e88da | 327 | cmd_size += cmd.pdu_len; |
132159a5 | 328 | |
dfbf1f6f JA |
329 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
330 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
331 | ret = 1; | |
332 | break; | |
333 | } | |
334 | ||
335 | tmp = realloc(cmdret, cmd_size); | |
336 | if (!tmp) { | |
337 | log_err("fio: server failed allocating cmd\n"); | |
338 | ret = 1; | |
339 | break; | |
340 | } | |
341 | cmdret = tmp; | |
132159a5 | 342 | |
a64e88da JA |
343 | if (first) |
344 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
345 | else if (cmdret->opcode != cmd.opcode) { |
346 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
347 | cmdret->opcode, cmd.opcode); | |
348 | ret = 1; | |
349 | break; | |
350 | } | |
a64e88da JA |
351 | |
352 | if (!cmd.pdu_len) | |
353 | break; | |
354 | ||
355 | /* There's payload, get it */ | |
356 | pdu = (void *) cmdret->payload + pdu_offset; | |
357 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
358 | if (ret) | |
359 | break; | |
360 | ||
361 | /* Verify payload crc */ | |
25dfa848 | 362 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
363 | if (crc != cmd.pdu_crc16) { |
364 | log_err("fio: server bad crc on payload "); | |
365 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
366 | ret = 1; | |
367 | break; | |
368 | } | |
369 | ||
370 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
371 | if (!first) |
372 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
373 | first = 0; |
374 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 375 | |
a64e88da JA |
376 | if (ret) { |
377 | free(cmdret); | |
378 | cmdret = NULL; | |
0b8f30a5 JA |
379 | } else if (cmdret) { |
380 | /* zero-terminate text input */ | |
084d1c6f JA |
381 | if (cmdret->pdu_len) { |
382 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
383 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
384 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 385 | |
8a1db9a1 | 386 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 387 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
388 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
389 | char *buf = (char *) __pdu->buf; | |
390 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 391 | |
46bcd498 | 392 | buf[len] = '\0'; |
084d1c6f | 393 | } |
0b8f30a5 | 394 | } |
084d1c6f | 395 | |
0b8f30a5 | 396 | /* frag flag is internal */ |
a64e88da | 397 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 398 | } |
a64e88da JA |
399 | |
400 | return cmdret; | |
132159a5 JA |
401 | } |
402 | ||
40c60516 JA |
403 | static void add_reply(uint64_t tag, struct flist_head *list) |
404 | { | |
a572bbfb | 405 | struct fio_net_cmd_reply *reply; |
40c60516 | 406 | |
a572bbfb | 407 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
408 | flist_add_tail(&reply->list, list); |
409 | } | |
410 | ||
411 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
412 | { | |
413 | struct fio_net_cmd_reply *reply; | |
414 | ||
415 | reply = calloc(1, sizeof(*reply)); | |
416 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 417 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
418 | reply->saved_tag = tag; |
419 | reply->opcode = opcode; | |
420 | ||
421 | return (uintptr_t) reply; | |
422 | } | |
423 | ||
424 | static void free_reply(uint64_t tag) | |
425 | { | |
a572bbfb | 426 | struct fio_net_cmd_reply *reply; |
40c60516 | 427 | |
a572bbfb | 428 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
429 | free(reply); |
430 | } | |
431 | ||
53bd8dbc | 432 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
433 | { |
434 | uint32_t pdu_len; | |
435 | ||
25dfa848 | 436 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
437 | |
438 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
439 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
440 | } | |
441 | ||
442 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
443 | { | |
444 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
445 | } |
446 | ||
af9c9fb3 | 447 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 448 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 449 | { |
7f868316 JA |
450 | struct fio_net_cmd *cmd = NULL; |
451 | size_t this_len, cur_len = 0; | |
40c60516 | 452 | uint64_t tag; |
794d69ca JA |
453 | int ret; |
454 | ||
40c60516 JA |
455 | if (list) { |
456 | assert(tagptr); | |
457 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
458 | } else | |
459 | tag = tagptr ? *tagptr : 0; | |
460 | ||
794d69ca JA |
461 | do { |
462 | this_len = size; | |
b9d2f30a JA |
463 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
464 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 465 | |
7f868316 JA |
466 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
467 | if (cmd) | |
468 | free(cmd); | |
469 | ||
470 | cur_len = sizeof(*cmd) + this_len; | |
471 | cmd = malloc(cur_len); | |
472 | } | |
794d69ca | 473 | |
af9c9fb3 | 474 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
475 | |
476 | if (this_len < size) | |
ddcc0b69 | 477 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
478 | |
479 | fio_net_cmd_crc(cmd); | |
480 | ||
481 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
482 | size -= this_len; |
483 | buf += this_len; | |
484 | } while (!ret && size); | |
485 | ||
40c60516 JA |
486 | if (list) { |
487 | if (ret) | |
488 | free_reply(tag); | |
489 | else | |
490 | add_reply(tag, list); | |
491 | } | |
492 | ||
7f868316 JA |
493 | if (cmd) |
494 | free(cmd); | |
495 | ||
794d69ca JA |
496 | return ret; |
497 | } | |
498 | ||
02594e37 JA |
499 | struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, |
500 | uint64_t *tagptr, int flags) | |
f77d4b73 | 501 | { |
f77d4b73 JA |
502 | struct sk_entry *entry; |
503 | ||
504 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 505 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
506 | entry->opcode = opcode; |
507 | if (flags & SK_F_COPY) { | |
508 | entry->buf = smalloc(size); | |
509 | memcpy(entry->buf, buf, size); | |
510 | } else | |
511 | entry->buf = buf; | |
512 | entry->size = size; | |
513 | entry->tagptr = tagptr; | |
514 | entry->flags = flags; | |
515 | ||
02594e37 JA |
516 | return entry; |
517 | } | |
518 | ||
519 | static void fio_net_queue_entry(struct sk_entry *entry) | |
520 | { | |
521 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
522 | ||
f77d4b73 JA |
523 | sk_lock(sk_out); |
524 | flist_add_tail(&entry->list, &sk_out->list); | |
525 | sk_unlock(sk_out); | |
526 | ||
527 | fio_mutex_up(sk_out->wait); | |
02594e37 | 528 | } |
f77d4b73 | 529 | |
02594e37 JA |
530 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
531 | uint64_t *tagptr, int flags) | |
532 | { | |
533 | struct sk_entry *entry; | |
534 | ||
535 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
536 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
537 | return 0; |
538 | } | |
539 | ||
89c1707c | 540 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 541 | { |
178cde9f | 542 | struct fio_net_cmd cmd; |
132159a5 | 543 | |
af9c9fb3 | 544 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
545 | fio_net_cmd_crc(&cmd); |
546 | ||
547 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
548 | } | |
549 | ||
89c1707c JA |
550 | /* |
551 | * If 'list' is non-NULL, then allocate and store the sent command for | |
552 | * later verification. | |
553 | */ | |
554 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
555 | struct flist_head *list) | |
556 | { | |
89c1707c JA |
557 | int ret; |
558 | ||
40c60516 JA |
559 | if (list) |
560 | tag = alloc_reply(tag, opcode); | |
89c1707c | 561 | |
40c60516 | 562 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 563 | if (ret) { |
40c60516 JA |
564 | if (list) |
565 | free_reply(tag); | |
566 | ||
89c1707c JA |
567 | return ret; |
568 | } | |
569 | ||
40c60516 JA |
570 | if (list) |
571 | add_reply(tag, list); | |
572 | ||
89c1707c JA |
573 | return 0; |
574 | } | |
575 | ||
f77d4b73 JA |
576 | static int fio_net_queue_quit(void) |
577 | { | |
578 | dprint(FD_NET, "server: sending quit\n"); | |
579 | ||
580 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
581 | } | |
582 | ||
122c7725 | 583 | int fio_net_send_quit(int sk) |
437377e1 | 584 | { |
46c48f1f | 585 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 586 | |
8c95307b | 587 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
588 | } |
589 | ||
f77d4b73 | 590 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 591 | { |
11e950bd | 592 | struct cmd_end_pdu epdu; |
f58bd2a4 | 593 | uint64_t tag = 0; |
122c7725 | 594 | |
f58bd2a4 JA |
595 | if (cmd) |
596 | tag = cmd->tag; | |
122c7725 JA |
597 | |
598 | epdu.error = __cpu_to_le32(error); | |
599 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 600 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
601 | } |
602 | ||
f77d4b73 | 603 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
604 | { |
605 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 606 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
607 | } |
608 | ||
609 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
610 | { | |
611 | struct fio_fork_item *ffi; | |
612 | ||
613 | ffi = malloc(sizeof(*ffi)); | |
614 | ffi->exitval = 0; | |
615 | ffi->signal = 0; | |
616 | ffi->exited = 0; | |
617 | ffi->pid = pid; | |
618 | flist_add_tail(&ffi->list, list); | |
619 | } | |
620 | ||
6348b5de | 621 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 622 | { |
a7533dbd | 623 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 624 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
625 | } |
626 | ||
6348b5de | 627 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 628 | { |
a7533dbd | 629 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 630 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
631 | } |
632 | ||
633 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
634 | { | |
635 | int ret, status; | |
636 | ||
637 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
638 | if (ret < 0) { | |
639 | if (errno == ECHILD) { | |
a7533dbd | 640 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
641 | ffi->exited = 1; |
642 | } else | |
643 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
644 | } else if (ret == ffi->pid) { | |
645 | if (WIFSIGNALED(status)) { | |
646 | ffi->signal = WTERMSIG(status); | |
647 | ffi->exited = 1; | |
648 | } | |
649 | if (WIFEXITED(status)) { | |
650 | if (WEXITSTATUS(status)) | |
651 | ffi->exitval = WEXITSTATUS(status); | |
652 | ffi->exited = 1; | |
653 | } | |
654 | } | |
655 | } | |
656 | ||
f77d4b73 | 657 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 658 | { |
a7533dbd | 659 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
660 | |
661 | /* | |
662 | * Fold STOP and QUIT... | |
663 | */ | |
f77d4b73 JA |
664 | if (stop) { |
665 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
666 | fio_net_queue_quit(); | |
667 | } | |
668 | ||
122c7725 JA |
669 | flist_del(&ffi->list); |
670 | free(ffi); | |
671 | } | |
672 | ||
f77d4b73 | 673 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
674 | { |
675 | struct flist_head *entry, *tmp; | |
676 | struct fio_fork_item *ffi; | |
677 | ||
678 | flist_for_each_safe(entry, tmp, list) { | |
679 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
680 | ||
681 | fio_server_check_fork_item(ffi); | |
682 | ||
683 | if (ffi->exited) | |
f77d4b73 | 684 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
685 | } |
686 | } | |
687 | ||
6348b5de | 688 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 689 | { |
f77d4b73 | 690 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
691 | } |
692 | ||
6348b5de | 693 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 694 | { |
f77d4b73 | 695 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
696 | } |
697 | ||
323255cc JA |
698 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
699 | { | |
700 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
701 | void *file_name = pdu->file; | |
702 | struct cmd_start_pdu spdu; | |
703 | ||
704 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
705 | ||
706 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
707 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
708 | ||
709 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 710 | fio_net_queue_quit(); |
323255cc JA |
711 | return -1; |
712 | } | |
713 | ||
714 | spdu.jobs = cpu_to_le32(thread_number); | |
715 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 716 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
717 | return 0; |
718 | } | |
719 | ||
f77d4b73 JA |
720 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
721 | struct fio_net_cmd *cmd) | |
122c7725 JA |
722 | { |
723 | pid_t pid; | |
a64e88da | 724 | int ret; |
132159a5 | 725 | |
cbb1303c | 726 | fio_time_init(); |
122c7725 | 727 | set_genesis_time(); |
11e950bd | 728 | |
122c7725 JA |
729 | pid = fork(); |
730 | if (pid) { | |
6348b5de | 731 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
732 | return 0; |
733 | } | |
11e950bd | 734 | |
24660963 | 735 | ret = fio_backend(sk_out); |
2bb3f0a7 | 736 | free_threads_shm(); |
122c7725 | 737 | _exit(ret); |
81179eec JA |
738 | } |
739 | ||
b9d2f30a JA |
740 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
741 | { | |
46bcd498 JA |
742 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
743 | void *buf = pdu->buf; | |
b9d2f30a JA |
744 | struct cmd_start_pdu spdu; |
745 | ||
46bcd498 JA |
746 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
747 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
748 | ||
749 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 750 | fio_net_queue_quit(); |
b9d2f30a JA |
751 | return -1; |
752 | } | |
753 | ||
754 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 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 JA |
758 | return 0; |
759 | } | |
760 | ||
81179eec JA |
761 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
762 | { | |
fa2ea806 JA |
763 | void *pdu = cmd->payload; |
764 | struct cmd_single_line_pdu *cslp; | |
765 | struct cmd_line_pdu *clp; | |
766 | unsigned long offset; | |
b9d2f30a | 767 | struct cmd_start_pdu spdu; |
fa2ea806 | 768 | char **argv; |
b9d2f30a | 769 | int i; |
81179eec | 770 | |
fa2ea806 JA |
771 | clp = pdu; |
772 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 773 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
774 | argv = malloc(clp->lines * sizeof(char *)); |
775 | offset = sizeof(*clp); | |
81179eec | 776 | |
fa2ea806 | 777 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 778 | |
fa2ea806 JA |
779 | for (i = 0; i < clp->lines; i++) { |
780 | cslp = pdu + offset; | |
781 | argv[i] = (char *) cslp->text; | |
782 | ||
783 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
784 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
785 | } | |
81179eec | 786 | |
46bcd498 | 787 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 788 | fio_net_queue_quit(); |
fa2ea806 | 789 | free(argv); |
81179eec | 790 | return -1; |
e6d1c668 | 791 | } |
81179eec | 792 | |
fa2ea806 JA |
793 | free(argv); |
794 | ||
b9d2f30a | 795 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 796 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
797 | |
798 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 799 | return 0; |
132159a5 JA |
800 | } |
801 | ||
c28e8e8c JA |
802 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
803 | { | |
3989b143 JA |
804 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
805 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 806 | uint64_t tag = cmd->tag; |
c28e8e8c | 807 | |
89c1707c JA |
808 | dprint(FD_NET, "server: sending probe reply\n"); |
809 | ||
ca09be4b JA |
810 | strcpy(me, (char *) pdu->server); |
811 | ||
c28e8e8c JA |
812 | memset(&probe, 0, sizeof(probe)); |
813 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 814 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
815 | probe.bigendian = 1; |
816 | #endif | |
750db473 | 817 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 818 | |
cca84643 JA |
819 | probe.os = FIO_OS; |
820 | probe.arch = FIO_ARCH; | |
38fdef22 | 821 | probe.bpp = sizeof(void *); |
d31e26d0 | 822 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
823 | |
824 | /* | |
825 | * If the client supports compression and we do too, then enable it | |
826 | */ | |
827 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
828 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
829 | use_zlib = 1; | |
830 | } else { | |
831 | probe.flags = 0; | |
832 | use_zlib = 0; | |
833 | } | |
38fdef22 | 834 | |
f77d4b73 | 835 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
836 | } |
837 | ||
838 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
839 | { | |
840 | struct jobs_eta *je; | |
40c60516 | 841 | uint64_t tag = cmd->tag; |
723297c9 | 842 | size_t size; |
af9c9fb3 JA |
843 | int i; |
844 | ||
e123c833 JA |
845 | dprint(FD_NET, "server sending status\n"); |
846 | ||
847 | /* | |
848 | * Fake ETA return if we don't have a local one, otherwise the client | |
849 | * will end up timing out waiting for a response to the ETA request | |
850 | */ | |
c5103619 | 851 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
852 | if (!je) { |
853 | size = sizeof(*je); | |
854 | je = calloc(1, size); | |
855 | } else { | |
e123c833 JA |
856 | je->nr_running = cpu_to_le32(je->nr_running); |
857 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
858 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
859 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
860 | je->files_open = cpu_to_le32(je->files_open); | |
861 | ||
862 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
863 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
864 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
865 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
866 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
867 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
868 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
869 | } | |
af9c9fb3 | 870 | |
e123c833 JA |
871 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
872 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
873 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
874 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
875 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
876 | } |
877 | ||
f77d4b73 | 878 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 879 | return 0; |
c28e8e8c JA |
880 | } |
881 | ||
f77d4b73 | 882 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
883 | { |
884 | uint64_t tag = __tag; | |
885 | uint32_t pdu_error; | |
886 | ||
887 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 888 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
889 | } |
890 | ||
f58bd2a4 JA |
891 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
892 | { | |
893 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
894 | struct thread_data *td; | |
895 | uint32_t tnumber; | |
896 | ||
897 | tnumber = le32_to_cpu(pdu->thread_number); | |
898 | ||
899 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
900 | ||
30ffacbf | 901 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 902 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
903 | return 0; |
904 | } | |
905 | ||
30ffacbf | 906 | td = &threads[tnumber - 1]; |
f58bd2a4 | 907 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 908 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
909 | return 0; |
910 | } | |
911 | ||
ca09be4b JA |
912 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
913 | { | |
914 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
915 | char *buf = (char *) pdu->cmd; | |
916 | struct all_io_list *rep; | |
917 | size_t sz; | |
918 | ||
919 | pdu->len = le16_to_cpu(pdu->len); | |
920 | buf[pdu->len] = '\0'; | |
921 | ||
922 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
923 | if (!rep) { | |
924 | struct all_io_list state; | |
925 | ||
926 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
927 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
928 | } else | |
929 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
930 | |
931 | exec_trigger(buf); | |
932 | return 0; | |
933 | } | |
934 | ||
f77d4b73 JA |
935 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
936 | struct fio_net_cmd *cmd) | |
132159a5 JA |
937 | { |
938 | int ret; | |
939 | ||
4b91ee8f JA |
940 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
941 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
942 | (unsigned long long) cmd->tag); | |
46c48f1f | 943 | |
132159a5 JA |
944 | switch (cmd->opcode) { |
945 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 946 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
947 | ret = 0; |
948 | break; | |
d7959186 | 949 | case FIO_NET_CMD_EXIT: |
132159a5 | 950 | exit_backend = 1; |
c28e8e8c | 951 | return -1; |
323255cc JA |
952 | case FIO_NET_CMD_LOAD_FILE: |
953 | ret = handle_load_file_cmd(cmd); | |
954 | break; | |
132159a5 | 955 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 956 | ret = handle_job_cmd(cmd); |
132159a5 | 957 | break; |
81179eec JA |
958 | case FIO_NET_CMD_JOBLINE: |
959 | ret = handle_jobline_cmd(cmd); | |
960 | break; | |
c28e8e8c JA |
961 | case FIO_NET_CMD_PROBE: |
962 | ret = handle_probe_cmd(cmd); | |
963 | break; | |
af9c9fb3 JA |
964 | case FIO_NET_CMD_SEND_ETA: |
965 | ret = handle_send_eta_cmd(cmd); | |
966 | break; | |
b9d2f30a | 967 | case FIO_NET_CMD_RUN: |
f77d4b73 | 968 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 969 | break; |
f58bd2a4 JA |
970 | case FIO_NET_CMD_UPDATE_JOB: |
971 | ret = handle_update_job_cmd(cmd); | |
972 | break; | |
ca09be4b JA |
973 | case FIO_NET_CMD_VTRIGGER: |
974 | ret = handle_trigger_cmd(cmd); | |
975 | break; | |
976 | case FIO_NET_CMD_SENDFILE: { | |
977 | struct cmd_sendfile_reply *in; | |
978 | struct cmd_reply *rep; | |
979 | ||
980 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
981 | ||
982 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
983 | in->size = le32_to_cpu(in->size); | |
984 | in->error = le32_to_cpu(in->error); | |
985 | if (in->error) { | |
986 | ret = 1; | |
987 | rep->error = in->error; | |
988 | } else { | |
989 | ret = 0; | |
990 | rep->data = smalloc(in->size); | |
991 | if (!rep->data) { | |
992 | ret = 1; | |
993 | rep->error = ENOMEM; | |
994 | } else { | |
995 | rep->size = in->size; | |
996 | memcpy(rep->data, in->data, in->size); | |
997 | } | |
998 | } | |
999 | fio_mutex_up(&rep->lock); | |
1000 | break; | |
1001 | } | |
132159a5 | 1002 | default: |
3c3ed070 | 1003 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1004 | ret = 1; |
1005 | } | |
1006 | ||
1007 | return ret; | |
1008 | } | |
1009 | ||
02594e37 JA |
1010 | /* |
1011 | * Send a command with a separate PDU, not inlined in the command | |
1012 | */ | |
1013 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1014 | off_t size, uint64_t tag, uint32_t flags) | |
1015 | { | |
1016 | struct fio_net_cmd cmd; | |
1017 | struct iovec iov[2]; | |
1018 | ||
1019 | iov[0].iov_base = (void *) &cmd; | |
1020 | iov[0].iov_len = sizeof(cmd); | |
1021 | iov[1].iov_base = (void *) buf; | |
1022 | iov[1].iov_len = size; | |
1023 | ||
1024 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1025 | cmd.flags = __cpu_to_le32(flags); | |
1026 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1027 | ||
1028 | return fio_sendv_data(sk, iov, 2); | |
1029 | } | |
1030 | ||
1031 | static void finish_entry(struct sk_entry *entry) | |
1032 | { | |
1033 | if (entry->flags & SK_F_FREE) | |
1034 | free(entry->buf); | |
1035 | else if (entry->flags & SK_F_COPY) | |
1036 | sfree(entry->buf); | |
1037 | ||
1038 | sfree(entry); | |
1039 | } | |
1040 | ||
b3882320 JA |
1041 | static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list, |
1042 | unsigned int *flags, uint64_t *tag) | |
02594e37 | 1043 | { |
b3882320 JA |
1044 | if (!flist_empty(list)) |
1045 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1046 | else |
b3882320 | 1047 | *flags = 0; |
02594e37 | 1048 | |
b3882320 JA |
1049 | if (entry->tagptr) |
1050 | *tag = *entry->tagptr; | |
02594e37 | 1051 | else |
b3882320 JA |
1052 | *tag = 0; |
1053 | } | |
02594e37 | 1054 | |
b3882320 JA |
1055 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1056 | { | |
1057 | unsigned int flags; | |
1058 | uint64_t tag; | |
1059 | int ret; | |
1060 | ||
1061 | entry_set_flags_tag(first, &first->next, &flags, &tag); | |
1062 | ||
1063 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags); | |
02594e37 JA |
1064 | |
1065 | while (!flist_empty(&first->next)) { | |
1066 | struct sk_entry *next; | |
1067 | ||
1068 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1069 | flist_del_init(&next->list); | |
02594e37 | 1070 | |
b3882320 | 1071 | entry_set_flags_tag(next, &first->next, &flags, &tag); |
02594e37 | 1072 | |
b3882320 | 1073 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags); |
02594e37 JA |
1074 | finish_entry(next); |
1075 | } | |
b3882320 JA |
1076 | |
1077 | return ret; | |
02594e37 JA |
1078 | } |
1079 | ||
b3882320 | 1080 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1081 | { |
b3882320 JA |
1082 | int ret; |
1083 | ||
02594e37 | 1084 | if (entry->flags & SK_F_VEC) |
b3882320 | 1085 | ret = send_vec_entry(sk_out, entry); |
f77d4b73 JA |
1086 | if (entry->flags & SK_F_SIMPLE) { |
1087 | uint64_t tag = 0; | |
1088 | ||
1089 | if (entry->tagptr) | |
1090 | tag = *entry->tagptr; | |
1091 | ||
b3882320 | 1092 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); |
f77d4b73 | 1093 | } else |
b3882320 JA |
1094 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); |
1095 | ||
1096 | if (ret) | |
1097 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1098 | |
02594e37 | 1099 | finish_entry(entry); |
b3882320 | 1100 | return ret; |
f77d4b73 JA |
1101 | } |
1102 | ||
b3882320 | 1103 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1104 | { |
1105 | struct sk_entry *entry; | |
1106 | FLIST_HEAD(list); | |
b3882320 | 1107 | int ret = 0; |
f77d4b73 JA |
1108 | |
1109 | sk_lock(sk_out); | |
1110 | if (flist_empty(&sk_out->list)) { | |
1111 | sk_unlock(sk_out); | |
b3882320 | 1112 | return 0; |
f77d4b73 JA |
1113 | } |
1114 | ||
1115 | flist_splice_init(&sk_out->list, &list); | |
1116 | sk_unlock(sk_out); | |
1117 | ||
1118 | while (!flist_empty(&list)) { | |
1119 | entry = flist_entry(list.next, struct sk_entry, list); | |
1120 | flist_del(&entry->list); | |
b3882320 | 1121 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1122 | } |
b3882320 JA |
1123 | |
1124 | return ret; | |
f77d4b73 JA |
1125 | } |
1126 | ||
1127 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1128 | { |
1129 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1130 | FLIST_HEAD(job_list); |
132159a5 JA |
1131 | int ret = 0; |
1132 | ||
122c7725 | 1133 | reset_fio_state(); |
122c7725 | 1134 | |
132159a5 JA |
1135 | /* read forever */ |
1136 | while (!exit_backend) { | |
e951bdc4 | 1137 | struct pollfd pfd = { |
f77d4b73 | 1138 | .fd = sk_out->sk, |
e951bdc4 JA |
1139 | .events = POLLIN, |
1140 | }; | |
1141 | ||
1142 | ret = 0; | |
1143 | do { | |
54163255 JA |
1144 | int timeout = 1000; |
1145 | ||
1146 | if (!flist_empty(&job_list)) | |
1147 | timeout = 100; | |
3c3ed070 | 1148 | |
f77d4b73 JA |
1149 | handle_xmits(sk_out); |
1150 | ||
1151 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1152 | if (ret < 0) { |
1153 | if (errno == EINTR) | |
1154 | break; | |
1155 | log_err("fio: poll: %s\n", strerror(errno)); | |
1156 | break; | |
19c65179 | 1157 | } else if (!ret) { |
6348b5de | 1158 | fio_server_check_jobs(&job_list); |
f77d4b73 | 1159 | fio_mutex_down_timeout(sk_out->wait, timeout); |
e951bdc4 | 1160 | continue; |
19c65179 | 1161 | } |
e951bdc4 JA |
1162 | |
1163 | if (pfd.revents & POLLIN) | |
1164 | break; | |
1165 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1166 | ret = 1; | |
1167 | break; | |
1168 | } | |
19c65179 | 1169 | } while (!exit_backend); |
e951bdc4 | 1170 | |
6348b5de | 1171 | fio_server_check_jobs(&job_list); |
122c7725 | 1172 | |
e951bdc4 JA |
1173 | if (ret < 0) |
1174 | break; | |
1175 | ||
f77d4b73 | 1176 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1177 | if (!cmd) { |
c28e8e8c | 1178 | ret = -1; |
132159a5 JA |
1179 | break; |
1180 | } | |
1181 | ||
f77d4b73 | 1182 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1183 | if (ret) |
1184 | break; | |
1185 | ||
1186 | free(cmd); | |
c77a99e7 | 1187 | cmd = NULL; |
132159a5 JA |
1188 | } |
1189 | ||
1190 | if (cmd) | |
1191 | free(cmd); | |
1192 | ||
f77d4b73 JA |
1193 | handle_xmits(sk_out); |
1194 | ||
1195 | close(sk_out->sk); | |
0ae6acea | 1196 | sk_out->sk = -1; |
bce503fc | 1197 | __sk_out_drop(sk_out); |
122c7725 | 1198 | _exit(ret); |
cc0df00a JA |
1199 | } |
1200 | ||
296ab20a BE |
1201 | /* get the address on this host bound by the input socket, |
1202 | * whether it is ipv6 or ipv4 */ | |
1203 | ||
f77d4b73 | 1204 | int get_my_addr_str(int sk) |
296ab20a | 1205 | { |
f77d4b73 JA |
1206 | struct sockaddr_in6 myaddr6 = { 0, }; |
1207 | struct sockaddr_in myaddr4 = { 0, }; | |
1208 | struct sockaddr *sockaddr_p; | |
1209 | char *net_addr; | |
1210 | socklen_t len; | |
1211 | int ret; | |
296ab20a | 1212 | |
f77d4b73 JA |
1213 | if (use_ipv6) { |
1214 | len = sizeof(myaddr6); | |
296ab20a | 1215 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1216 | net_addr = (char * )&myaddr6.sin6_addr; |
1217 | } else { | |
1218 | len = sizeof(myaddr4); | |
296ab20a | 1219 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1220 | net_addr = (char * )&myaddr4.sin_addr; |
1221 | } | |
1222 | ||
296ab20a BE |
1223 | ret = getsockname(sk, sockaddr_p, &len); |
1224 | if (ret) { | |
1225 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1226 | return -1; |
1227 | } | |
f77d4b73 JA |
1228 | |
1229 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1230 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1231 | return -1; |
1232 | } | |
f77d4b73 | 1233 | |
296ab20a BE |
1234 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1235 | return 0; | |
1236 | } | |
1237 | ||
24660963 | 1238 | static int accept_loop(struct sk_out *sk_out, int listen_sk) |
50d16976 | 1239 | { |
bb447a27 | 1240 | struct sockaddr_in addr; |
479471c4 JA |
1241 | struct sockaddr_in6 addr6; |
1242 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1243 | struct pollfd pfd; |
4a851614 | 1244 | int ret = 0, sk, exitval = 0; |
6348b5de | 1245 | FLIST_HEAD(conn_list); |
50d16976 | 1246 | |
60efd14e JA |
1247 | dprint(FD_NET, "server enter accept loop\n"); |
1248 | ||
4a851614 | 1249 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1250 | |
122c7725 | 1251 | while (!exit_backend) { |
479471c4 JA |
1252 | const char *from; |
1253 | char buf[64]; | |
122c7725 | 1254 | pid_t pid; |
009b1be4 | 1255 | |
122c7725 JA |
1256 | pfd.fd = listen_sk; |
1257 | pfd.events = POLLIN; | |
1258 | do { | |
54163255 JA |
1259 | int timeout = 1000; |
1260 | ||
1261 | if (!flist_empty(&conn_list)) | |
1262 | timeout = 100; | |
1263 | ||
1264 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1265 | if (ret < 0) { |
1266 | if (errno == EINTR) | |
1267 | break; | |
1268 | log_err("fio: poll: %s\n", strerror(errno)); | |
1269 | break; | |
1270 | } else if (!ret) { | |
6348b5de | 1271 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1272 | continue; |
1273 | } | |
009b1be4 | 1274 | |
122c7725 JA |
1275 | if (pfd.revents & POLLIN) |
1276 | break; | |
1277 | } while (!exit_backend); | |
50d16976 | 1278 | |
6348b5de | 1279 | fio_server_check_conns(&conn_list); |
46c48f1f | 1280 | |
122c7725 JA |
1281 | if (exit_backend || ret < 0) |
1282 | break; | |
1283 | ||
479471c4 JA |
1284 | if (use_ipv6) |
1285 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1286 | else | |
1287 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1288 | ||
122c7725 JA |
1289 | if (sk < 0) { |
1290 | log_err("fio: accept: %s\n", strerror(errno)); | |
1291 | return -1; | |
1292 | } | |
37db14fe | 1293 | |
479471c4 JA |
1294 | if (use_ipv6) |
1295 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1296 | else | |
1297 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1298 | ||
1299 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1300 | |
bce503fc | 1301 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1302 | sk_out->sk = sk; |
bce503fc JA |
1303 | INIT_FLIST_HEAD(&sk_out->list); |
1304 | sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); | |
1305 | sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED); | |
f77d4b73 | 1306 | |
122c7725 JA |
1307 | pid = fork(); |
1308 | if (pid) { | |
1309 | close(sk); | |
6348b5de | 1310 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1311 | continue; |
1312 | } | |
5c341e9a | 1313 | |
0ae6acea JA |
1314 | /* if error, it's already logged, non-fatal */ |
1315 | get_my_addr_str(sk); | |
1316 | ||
1317 | /* | |
1318 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1319 | * since that function calls _exit() when done | |
1320 | */ | |
bce503fc | 1321 | sk_out_assign(sk_out); |
f77d4b73 | 1322 | handle_connection(sk_out); |
122c7725 | 1323 | } |
5c341e9a | 1324 | |
132159a5 | 1325 | return exitval; |
50d16976 JA |
1326 | } |
1327 | ||
084d1c6f | 1328 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1329 | { |
f77d4b73 | 1330 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1331 | struct cmd_text_pdu *pdu; |
1332 | unsigned int tlen; | |
1333 | struct timeval tv; | |
1334 | ||
f77d4b73 | 1335 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1336 | return -1; |
084d1c6f JA |
1337 | |
1338 | tlen = sizeof(*pdu) + len; | |
1339 | pdu = malloc(tlen); | |
1340 | ||
1341 | pdu->level = __cpu_to_le32(level); | |
1342 | pdu->buf_len = __cpu_to_le32(len); | |
1343 | ||
1344 | gettimeofday(&tv, NULL); | |
1345 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1346 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1347 | |
084d1c6f JA |
1348 | memcpy(pdu->buf, buf, len); |
1349 | ||
f77d4b73 | 1350 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1351 | free(pdu); |
1352 | return len; | |
142575e6 JA |
1353 | } |
1354 | ||
a64e88da JA |
1355 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1356 | { | |
1357 | dst->max_val = cpu_to_le64(src->max_val); | |
1358 | dst->min_val = cpu_to_le64(src->min_val); | |
1359 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1360 | |
1361 | /* | |
1362 | * Encode to IEEE 754 for network transfer | |
1363 | */ | |
e5c9093d JA |
1364 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1365 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1366 | } |
1367 | ||
1368 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1369 | { | |
1370 | int i; | |
1371 | ||
298921d6 | 1372 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1373 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1374 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1375 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1376 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1377 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1378 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1379 | } | |
1380 | ||
1381 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1382 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1383 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1384 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1385 | } |
1386 | ||
1387 | /* | |
1388 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1389 | * into a single payload. | |
1390 | */ | |
1391 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1392 | { | |
1393 | struct cmd_ts_pdu p; | |
1394 | int i, j; | |
1395 | ||
60efd14e JA |
1396 | dprint(FD_NET, "server sending end stats\n"); |
1397 | ||
317b3c8b JA |
1398 | memset(&p, 0, sizeof(p)); |
1399 | ||
4e59d0f3 JA |
1400 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1401 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1402 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1403 | |
2f122b13 JA |
1404 | p.ts.error = cpu_to_le32(ts->error); |
1405 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1406 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1407 | p.ts.pid = cpu_to_le32(ts->pid); | |
1408 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1409 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1410 | |
298921d6 | 1411 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1412 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1413 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1414 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1415 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1416 | } | |
1417 | ||
1418 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1419 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1420 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1421 | p.ts.minf = cpu_to_le64(ts->minf); | |
1422 | p.ts.majf = cpu_to_le64(ts->majf); | |
1423 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1424 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1425 | |
1426 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1427 | fio_fp64_t *src = &ts->percentile_list[i]; |
1428 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1429 | |
e5c9093d | 1430 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1431 | } |
a64e88da JA |
1432 | |
1433 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1434 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1435 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1436 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1437 | } | |
1438 | ||
1439 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1440 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1441 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1442 | } | |
1443 | ||
298921d6 | 1444 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1445 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1446 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1447 | ||
78799deb | 1448 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1449 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1450 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1451 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1452 | } |
1453 | ||
93eee04a | 1454 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1455 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1456 | ||
298921d6 | 1457 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1458 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1459 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1460 | } | |
1461 | ||
1462 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1463 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1464 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1465 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1466 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1467 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1468 | |
3e260a46 JA |
1469 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1470 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1471 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1472 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1473 | |
66347cfa DE |
1474 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1475 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1476 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1477 | ||
a64e88da JA |
1478 | convert_gs(&p.rs, rs); |
1479 | ||
f77d4b73 | 1480 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1481 | } |
1482 | ||
1483 | void fio_server_send_gs(struct group_run_stats *rs) | |
1484 | { | |
1485 | struct group_run_stats gs; | |
1486 | ||
60efd14e JA |
1487 | dprint(FD_NET, "server sending group run stats\n"); |
1488 | ||
a64e88da | 1489 | convert_gs(&gs, rs); |
f77d4b73 | 1490 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1491 | } |
1492 | ||
d09a64a0 JA |
1493 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1494 | { | |
1495 | int i; | |
1496 | ||
1497 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1498 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1499 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1500 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1501 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1502 | } |
1503 | ||
504bc961 JA |
1504 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1505 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1506 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1507 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1508 | } |
1509 | ||
1510 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1511 | { | |
1512 | int i; | |
1513 | ||
59140421 JA |
1514 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1515 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1516 | |
1517 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1518 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1519 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1520 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1521 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1522 | } |
1523 | ||
504bc961 JA |
1524 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1525 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1526 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1527 | } |
1528 | ||
1529 | void fio_server_send_du(void) | |
1530 | { | |
1531 | struct disk_util *du; | |
1532 | struct flist_head *entry; | |
1533 | struct cmd_du_pdu pdu; | |
1534 | ||
1535 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1536 | ||
0766d92e JA |
1537 | memset(&pdu, 0, sizeof(pdu)); |
1538 | ||
d09a64a0 JA |
1539 | flist_for_each(entry, &disk_list) { |
1540 | du = flist_entry(entry, struct disk_util, list); | |
1541 | ||
1542 | convert_dus(&pdu.dus, &du->dus); | |
1543 | convert_agg(&pdu.agg, &du->agg); | |
1544 | ||
f77d4b73 | 1545 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1546 | } |
1547 | } | |
1548 | ||
02594e37 | 1549 | static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1550 | { |
3989b143 JA |
1551 | int ret = 0; |
1552 | #ifdef CONFIG_ZLIB | |
02594e37 | 1553 | struct sk_entry *entry; |
1b42725f JA |
1554 | z_stream stream; |
1555 | void *out_pdu; | |
1b42725f JA |
1556 | |
1557 | /* | |
1558 | * Dirty - since the log is potentially huge, compress it into | |
1559 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1560 | * side defragment it. | |
1561 | */ | |
1562 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1563 | ||
1564 | stream.zalloc = Z_NULL; | |
1565 | stream.zfree = Z_NULL; | |
1566 | stream.opaque = Z_NULL; | |
1567 | ||
1568 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1569 | ret = 1; |
1570 | goto err; | |
1b42725f JA |
1571 | } |
1572 | ||
f5ed765a | 1573 | stream.next_in = (void *) log->log; |
ae588852 | 1574 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1575 | |
1576 | do { | |
02594e37 | 1577 | unsigned int this_len; |
1b42725f JA |
1578 | |
1579 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1580 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1581 | ret = deflate(&stream, Z_FINISH); |
1582 | /* may be Z_OK, or Z_STREAM_END */ | |
1583 | if (ret < 0) | |
1584 | goto err_zlib; | |
1b42725f JA |
1585 | |
1586 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1587 | ||
02594e37 JA |
1588 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
1589 | NULL, SK_F_FREE | SK_F_VEC); | |
1590 | flist_add_tail(&entry->list, &first->next); | |
1b42725f JA |
1591 | } while (stream.avail_in); |
1592 | ||
53bd8dbc | 1593 | err_zlib: |
1b42725f | 1594 | deflateEnd(&stream); |
53bd8dbc JA |
1595 | err: |
1596 | free(out_pdu); | |
3989b143 | 1597 | #endif |
53bd8dbc | 1598 | return ret; |
1b42725f JA |
1599 | } |
1600 | ||
3989b143 JA |
1601 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1602 | { | |
1603 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1604 | struct sk_entry *first; |
3989b143 JA |
1605 | int i, ret = 0; |
1606 | ||
ae588852 | 1607 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1608 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1609 | pdu.log_type = cpu_to_le32(log->log_type); |
1610 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1611 | |
1612 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1613 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1614 | |
1615 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1616 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1617 | |
b26317c9 JA |
1618 | s->time = cpu_to_le64(s->time); |
1619 | s->val = cpu_to_le64(s->val); | |
1620 | s->__ddir = cpu_to_le32(s->__ddir); | |
1621 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1622 | |
1623 | if (log->log_offset) { | |
1624 | struct io_sample_offset *so = (void *) s; | |
1625 | ||
1626 | so->offset = cpu_to_le64(so->offset); | |
1627 | } | |
3989b143 JA |
1628 | } |
1629 | ||
1630 | /* | |
02594e37 | 1631 | * Assemble header entry first |
3989b143 | 1632 | */ |
02594e37 | 1633 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC); |
3989b143 JA |
1634 | |
1635 | /* | |
02594e37 JA |
1636 | * Now append actual log entries. Compress if we can, otherwise just |
1637 | * plain text output. | |
3989b143 JA |
1638 | */ |
1639 | if (use_zlib) | |
02594e37 | 1640 | ret = fio_send_iolog_gz(first, log); |
f77d4b73 | 1641 | else { |
02594e37 JA |
1642 | struct sk_entry *entry; |
1643 | ||
1644 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, | |
1645 | log->nr_samples * log_entry_sz(log), | |
1646 | NULL, SK_F_FREE | SK_F_VEC); | |
1647 | flist_add_tail(&entry->list, &first->next); | |
f77d4b73 | 1648 | } |
3989b143 | 1649 | |
f77d4b73 | 1650 | return ret; |
3989b143 JA |
1651 | } |
1652 | ||
2f122b13 | 1653 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1654 | { |
1655 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1656 | |
731e30a2 | 1657 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1658 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1659 | pdu.groupid = cpu_to_le32(td->groupid); | |
1660 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1661 | |
f77d4b73 | 1662 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
807f9971 JA |
1663 | } |
1664 | ||
122c7725 JA |
1665 | void fio_server_send_start(struct thread_data *td) |
1666 | { | |
f77d4b73 JA |
1667 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1668 | ||
1669 | assert(sk_out->sk != -1); | |
122c7725 | 1670 | |
f77d4b73 | 1671 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1672 | } |
1673 | ||
ca09be4b | 1674 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1675 | void **datap, int *version) |
ca09be4b JA |
1676 | { |
1677 | struct thread_io_list *s; | |
1678 | struct cmd_sendfile out; | |
1679 | struct cmd_reply *rep; | |
1680 | uint64_t tag; | |
1681 | void *data; | |
1682 | ||
1683 | dprint(FD_NET, "server: request verify state\n"); | |
1684 | ||
1685 | rep = smalloc(sizeof(*rep)); | |
1686 | if (!rep) { | |
1687 | log_err("fio: smalloc pool too small\n"); | |
1688 | return 1; | |
1689 | } | |
1690 | ||
1691 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1692 | rep->data = NULL; | |
1693 | rep->error = 0; | |
1694 | ||
e499aedc JA |
1695 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1696 | threadnumber); | |
ca09be4b | 1697 | tag = (uint64_t) (uintptr_t) rep; |
f77d4b73 | 1698 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); |
ca09be4b JA |
1699 | |
1700 | /* | |
1701 | * Wait for the backend to receive the reply | |
1702 | */ | |
09400a60 | 1703 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b JA |
1704 | log_err("fio: timed out waiting for reply\n"); |
1705 | goto fail; | |
1706 | } | |
1707 | ||
1708 | if (rep->error) { | |
1709 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1710 | fail: | |
1711 | *datap = NULL; | |
1712 | sfree(rep); | |
f77d4b73 | 1713 | fio_net_queue_quit(); |
ca09be4b JA |
1714 | return 1; |
1715 | } | |
1716 | ||
1717 | /* | |
1718 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1719 | * the header, and the thread_io_list checksum | |
1720 | */ | |
1721 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1722 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1723 | goto fail; |
1724 | ||
1725 | /* | |
1726 | * Don't need the header from now, copy just the thread_io_list | |
1727 | */ | |
1728 | rep->size -= sizeof(struct verify_state_hdr); | |
1729 | data = malloc(rep->size); | |
1730 | memcpy(data, s, rep->size); | |
1731 | *datap = data; | |
1732 | ||
1733 | sfree(rep->data); | |
f5a42524 | 1734 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1735 | sfree(rep); |
1736 | return 0; | |
1737 | } | |
1738 | ||
87aa8f19 | 1739 | static int fio_init_server_ip(void) |
81179eec | 1740 | { |
811826be | 1741 | struct sockaddr *addr; |
67bf9823 | 1742 | socklen_t socklen; |
17e3531a JA |
1743 | char buf[80]; |
1744 | const char *str; | |
87aa8f19 | 1745 | int sk, opt; |
81179eec | 1746 | |
811826be JA |
1747 | if (use_ipv6) |
1748 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1749 | else | |
1750 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1751 | ||
81179eec JA |
1752 | if (sk < 0) { |
1753 | log_err("fio: socket: %s\n", strerror(errno)); | |
1754 | return -1; | |
1755 | } | |
1756 | ||
1757 | opt = 1; | |
1f81991e | 1758 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1759 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1760 | close(sk); |
81179eec JA |
1761 | return -1; |
1762 | } | |
1763 | #ifdef SO_REUSEPORT | |
6eb24791 | 1764 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1765 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1766 | close(sk); |
81179eec JA |
1767 | return -1; |
1768 | } | |
1769 | #endif | |
1770 | ||
811826be | 1771 | if (use_ipv6) { |
17e3531a JA |
1772 | const void *src = &saddr_in6.sin6_addr; |
1773 | ||
811826be JA |
1774 | addr = (struct sockaddr *) &saddr_in6; |
1775 | socklen = sizeof(saddr_in6); | |
1776 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1777 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1778 | } else { |
17e3531a JA |
1779 | const void *src = &saddr_in.sin_addr; |
1780 | ||
811826be JA |
1781 | addr = (struct sockaddr *) &saddr_in; |
1782 | socklen = sizeof(saddr_in); | |
1783 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1784 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1785 | } |
81179eec | 1786 | |
811826be | 1787 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1788 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1789 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1790 | close(sk); |
81179eec JA |
1791 | return -1; |
1792 | } | |
1793 | ||
87aa8f19 JA |
1794 | return sk; |
1795 | } | |
1796 | ||
1797 | static int fio_init_server_sock(void) | |
1798 | { | |
1799 | struct sockaddr_un addr; | |
67bf9823 | 1800 | socklen_t len; |
87aa8f19 JA |
1801 | mode_t mode; |
1802 | int sk; | |
1803 | ||
1804 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1805 | if (sk < 0) { | |
1806 | log_err("fio: socket: %s\n", strerror(errno)); | |
1807 | return -1; | |
1808 | } | |
1809 | ||
1810 | mode = umask(000); | |
1811 | ||
1812 | memset(&addr, 0, sizeof(addr)); | |
1813 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1814 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1815 | |
1816 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1817 | ||
1818 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1819 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1820 | close(sk); |
87aa8f19 JA |
1821 | return -1; |
1822 | } | |
1823 | ||
1824 | umask(mode); | |
1825 | return sk; | |
1826 | } | |
1827 | ||
1828 | static int fio_init_server_connection(void) | |
1829 | { | |
bebe6398 | 1830 | char bind_str[128]; |
87aa8f19 JA |
1831 | int sk; |
1832 | ||
1833 | dprint(FD_NET, "starting server\n"); | |
1834 | ||
1835 | if (!bind_sock) | |
1836 | sk = fio_init_server_ip(); | |
1837 | else | |
1838 | sk = fio_init_server_sock(); | |
1839 | ||
1840 | if (sk < 0) | |
1841 | return sk; | |
1842 | ||
afdcad23 JA |
1843 | memset(bind_str, 0, sizeof(bind_str)); |
1844 | ||
811826be JA |
1845 | if (!bind_sock) { |
1846 | char *p, port[16]; | |
1847 | const void *src; | |
1848 | int af; | |
1849 | ||
1850 | if (use_ipv6) { | |
1851 | af = AF_INET6; | |
1852 | src = &saddr_in6.sin6_addr; | |
1853 | } else { | |
1854 | af = AF_INET; | |
1855 | src = &saddr_in.sin_addr; | |
1856 | } | |
1857 | ||
1858 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1859 | ||
1860 | sprintf(port, ",%u", fio_net_port); | |
1861 | if (p) | |
1862 | strcat(p, port); | |
1863 | else | |
afdcad23 | 1864 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1865 | } else |
afdcad23 | 1866 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1867 | |
1868 | log_info("fio: server listening on %s\n", bind_str); | |
1869 | ||
89c1707c | 1870 | if (listen(sk, 0) < 0) { |
81179eec | 1871 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1872 | close(sk); |
81179eec JA |
1873 | return -1; |
1874 | } | |
1875 | ||
87aa8f19 JA |
1876 | return sk; |
1877 | } | |
1878 | ||
3aa3ceeb | 1879 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1880 | struct in6_addr *inp6) |
1881 | ||
1882 | { | |
1883 | int ret = 0; | |
1884 | ||
3aa3ceeb | 1885 | if (ipv6) |
3ec62ec4 JA |
1886 | ret = inet_pton(AF_INET6, host, inp6); |
1887 | else | |
1888 | ret = inet_pton(AF_INET, host, inp); | |
1889 | ||
1890 | if (ret != 1) { | |
479471c4 JA |
1891 | struct addrinfo hints, *res; |
1892 | ||
1893 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1894 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1895 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1896 | |
479471c4 JA |
1897 | ret = getaddrinfo(host, NULL, &hints, &res); |
1898 | if (ret) { | |
1899 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1900 | gai_strerror(ret)); | |
3caf43e3 | 1901 | return 1; |
3ec62ec4 JA |
1902 | } |
1903 | ||
3aa3ceeb | 1904 | if (ipv6) |
479471c4 JA |
1905 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1906 | else | |
1907 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1908 | ||
3ec62ec4 | 1909 | ret = 1; |
479471c4 | 1910 | freeaddrinfo(res); |
3ec62ec4 JA |
1911 | } |
1912 | ||
1913 | return !(ret == 1); | |
1914 | } | |
1915 | ||
660a2bfb JA |
1916 | /* |
1917 | * Parse a host/ip/port string. Reads from 'str'. | |
1918 | * | |
1919 | * Outputs: | |
1920 | * | |
1921 | * For IPv4: | |
1922 | * *ptr is the host, *port is the port, inp is the destination. | |
1923 | * For IPv6: | |
1924 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1925 | * For local domain sockets: | |
1926 | * *ptr is the filename, *is_sock is 1. | |
1927 | */ | |
bebe6398 | 1928 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1929 | int *port, struct in_addr *inp, |
1930 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1931 | { |
76867621 JA |
1932 | const char *host = str; |
1933 | char *portp; | |
3ec62ec4 | 1934 | int lport = 0; |
76867621 | 1935 | |
bebe6398 JA |
1936 | *ptr = NULL; |
1937 | *is_sock = 0; | |
6d2cf394 | 1938 | *port = fio_net_port; |
811826be | 1939 | *ipv6 = 0; |
bebe6398 JA |
1940 | |
1941 | if (!strncmp(str, "sock:", 5)) { | |
1942 | *ptr = strdup(str + 5); | |
1943 | *is_sock = 1; | |
76867621 JA |
1944 | |
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | /* | |
1949 | * Is it ip:<ip or host>:port | |
1950 | */ | |
1951 | if (!strncmp(host, "ip:", 3)) | |
1952 | host += 3; | |
1953 | else if (!strncmp(host, "ip4:", 4)) | |
1954 | host += 4; | |
1955 | else if (!strncmp(host, "ip6:", 4)) { | |
1956 | host += 4; | |
1957 | *ipv6 = 1; | |
1958 | } else if (host[0] == ':') { | |
1959 | /* String is :port */ | |
1960 | host++; | |
1961 | lport = atoi(host); | |
1962 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1963 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1964 | return 1; |
1965 | } | |
1966 | /* no hostname given, we are done */ | |
1967 | *port = lport; | |
1968 | return 0; | |
1969 | } | |
1970 | ||
1971 | /* | |
b96b90c3 | 1972 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1973 | */ |
1974 | if (!lport) { | |
1975 | portp = strchr(host, ','); | |
1976 | if (portp) { | |
1977 | *portp = '\0'; | |
1978 | portp++; | |
1979 | lport = atoi(portp); | |
bebe6398 | 1980 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1981 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1982 | return 1; |
1983 | } | |
bebe6398 | 1984 | } |
76867621 | 1985 | } |
bebe6398 | 1986 | |
76867621 JA |
1987 | if (lport) |
1988 | *port = lport; | |
bebe6398 | 1989 | |
76867621 JA |
1990 | if (!strlen(host)) |
1991 | return 0; | |
bebe6398 | 1992 | |
76867621 | 1993 | *ptr = strdup(host); |
811826be | 1994 | |
3aa3ceeb | 1995 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1996 | free(*ptr); |
1997 | *ptr = NULL; | |
1998 | return 1; | |
bebe6398 JA |
1999 | } |
2000 | ||
2001 | if (*port == 0) | |
2002 | *port = fio_net_port; | |
2003 | ||
2004 | return 0; | |
2005 | } | |
2006 | ||
87aa8f19 JA |
2007 | /* |
2008 | * Server arg should be one of: | |
2009 | * | |
2010 | * sock:/path/to/socket | |
2011 | * ip:1.2.3.4 | |
2012 | * 1.2.3.4 | |
2013 | * | |
2014 | * Where sock uses unix domain sockets, and ip binds the server to | |
2015 | * a specific interface. If no arguments are given to the server, it | |
2016 | * uses IP and binds to 0.0.0.0. | |
2017 | * | |
2018 | */ | |
2019 | static int fio_handle_server_arg(void) | |
2020 | { | |
6d2cf394 | 2021 | int port = fio_net_port; |
a7de0a11 | 2022 | int is_sock, ret = 0; |
bebe6398 | 2023 | |
87aa8f19 JA |
2024 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2025 | ||
2026 | if (!fio_server_arg) | |
a7de0a11 | 2027 | goto out; |
87aa8f19 | 2028 | |
4e5b8fb8 | 2029 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2030 | &port, &saddr_in.sin_addr, |
2031 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2032 | |
2033 | if (!is_sock && bind_sock) { | |
2034 | free(bind_sock); | |
2035 | bind_sock = NULL; | |
2036 | } | |
2037 | ||
a7de0a11 | 2038 | out: |
6d2cf394 JA |
2039 | fio_net_port = port; |
2040 | saddr_in.sin_port = htons(port); | |
811826be | 2041 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2042 | return ret; |
87aa8f19 JA |
2043 | } |
2044 | ||
43cdea1d JA |
2045 | static void sig_int(int sig) |
2046 | { | |
2047 | if (bind_sock) | |
2048 | unlink(bind_sock); | |
2049 | } | |
2050 | ||
2051 | static void set_sig_handlers(void) | |
2052 | { | |
2053 | struct sigaction act; | |
2054 | ||
2055 | memset(&act, 0, sizeof(act)); | |
2056 | act.sa_handler = sig_int; | |
2057 | act.sa_flags = SA_RESTART; | |
2058 | sigaction(SIGINT, &act, NULL); | |
2059 | } | |
2060 | ||
87aa8f19 JA |
2061 | static int fio_server(void) |
2062 | { | |
24660963 | 2063 | struct sk_out *sk_out; |
87aa8f19 JA |
2064 | int sk, ret; |
2065 | ||
2066 | dprint(FD_NET, "starting server\n"); | |
2067 | ||
2068 | if (fio_handle_server_arg()) | |
2069 | return -1; | |
2070 | ||
2071 | sk = fio_init_server_connection(); | |
2072 | if (sk < 0) | |
2073 | return -1; | |
81179eec | 2074 | |
43cdea1d JA |
2075 | set_sig_handlers(); |
2076 | ||
f77d4b73 JA |
2077 | if (pthread_key_create(&sk_out_key, NULL)) |
2078 | log_err("fio: can't create sk_out backend key\n"); | |
2079 | ||
24660963 | 2080 | ret = accept_loop(sk_out, sk); |
87aa8f19 | 2081 | |
81179eec | 2082 | close(sk); |
87aa8f19 JA |
2083 | |
2084 | if (fio_server_arg) { | |
2085 | free(fio_server_arg); | |
2086 | fio_server_arg = NULL; | |
2087 | } | |
bebe6398 JA |
2088 | if (bind_sock) |
2089 | free(bind_sock); | |
87aa8f19 | 2090 | |
81179eec JA |
2091 | return ret; |
2092 | } | |
2093 | ||
7b821684 | 2094 | void fio_server_got_signal(int signal) |
9abea48b | 2095 | { |
f77d4b73 JA |
2096 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2097 | ||
2098 | assert(sk_out); | |
2099 | ||
7b821684 | 2100 | if (signal == SIGPIPE) |
f77d4b73 | 2101 | sk_out->sk = -1; |
7b821684 JA |
2102 | else { |
2103 | log_info("\nfio: terminating on signal %d\n", signal); | |
2104 | exit_backend = 1; | |
2105 | } | |
9abea48b JA |
2106 | } |
2107 | ||
13755d94 JA |
2108 | static int check_existing_pidfile(const char *pidfile) |
2109 | { | |
2110 | struct stat sb; | |
2111 | char buf[16]; | |
2112 | pid_t pid; | |
2113 | FILE *f; | |
2114 | ||
2115 | if (stat(pidfile, &sb)) | |
2116 | return 0; | |
2117 | ||
2118 | f = fopen(pidfile, "r"); | |
2119 | if (!f) | |
2120 | return 0; | |
2121 | ||
bfc3b179 | 2122 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2123 | fclose(f); |
2124 | return 1; | |
2125 | } | |
2126 | fclose(f); | |
2127 | ||
2128 | pid = atoi(buf); | |
2129 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2130 | return errno != ESRCH; |
13755d94 JA |
2131 | |
2132 | return 1; | |
2133 | } | |
2134 | ||
2135 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2136 | { |
2137 | FILE *fpid; | |
2138 | ||
2139 | fpid = fopen(pidfile, "w"); | |
2140 | if (!fpid) { | |
2141 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2142 | return 1; |
402668f3 JA |
2143 | } |
2144 | ||
2145 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2146 | fclose(fpid); |
2147 | return 0; | |
402668f3 JA |
2148 | } |
2149 | ||
2150 | /* | |
2151 | * If pidfile is specified, background us. | |
2152 | */ | |
2153 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2154 | { |
2155 | pid_t pid; | |
402668f3 | 2156 | int ret; |
e46d8091 | 2157 | |
93bcfd20 | 2158 | #if defined(WIN32) |
905c78b9 | 2159 | WSADATA wsd; |
3c3ed070 | 2160 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2161 | #endif |
2162 | ||
402668f3 | 2163 | if (!pidfile) |
e46d8091 JA |
2164 | return fio_server(); |
2165 | ||
13755d94 JA |
2166 | if (check_existing_pidfile(pidfile)) { |
2167 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2168 | pidfile); | |
b8ba87ac | 2169 | free(pidfile); |
13755d94 JA |
2170 | return -1; |
2171 | } | |
2172 | ||
e46d8091 JA |
2173 | pid = fork(); |
2174 | if (pid < 0) { | |
13755d94 | 2175 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2176 | free(pidfile); |
c28e8e8c | 2177 | return -1; |
402668f3 | 2178 | } else if (pid) { |
8a1db9a1 | 2179 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2180 | free(pidfile); |
44c8268d | 2181 | _exit(ret); |
402668f3 | 2182 | } |
e46d8091 JA |
2183 | |
2184 | setsid(); | |
13755d94 JA |
2185 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2186 | log_syslog = 1; | |
e46d8091 JA |
2187 | close(STDIN_FILENO); |
2188 | close(STDOUT_FILENO); | |
2189 | close(STDERR_FILENO); | |
2190 | f_out = NULL; | |
2191 | f_err = NULL; | |
402668f3 JA |
2192 | |
2193 | ret = fio_server(); | |
2194 | ||
2195 | closelog(); | |
2196 | unlink(pidfile); | |
2197 | free(pidfile); | |
2198 | return ret; | |
e46d8091 | 2199 | } |
87aa8f19 | 2200 | |
bebe6398 | 2201 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2202 | { |
2203 | fio_server_arg = strdup(arg); | |
2204 | } |