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 | ||
9d2c74d7 JA |
172 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
173 | uint32_t pdu_len, uint64_t tag) | |
174 | { | |
175 | memset(cmd, 0, sizeof(*cmd)); | |
176 | ||
177 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
178 | cmd->opcode = cpu_to_le16(opcode); | |
179 | cmd->tag = cpu_to_le64(tag); | |
180 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
181 | } | |
182 | ||
183 | ||
184 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
185 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
186 | { | |
187 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
188 | ||
189 | if (pdu) | |
190 | memcpy(&cmd->payload, pdu, pdu_len); | |
191 | } | |
192 | ||
89c1707c JA |
193 | const char *fio_server_op(unsigned int op) |
194 | { | |
195 | static char buf[32]; | |
196 | ||
197 | if (op < FIO_NET_CMD_NR) | |
198 | return fio_server_ops[op]; | |
199 | ||
200 | sprintf(buf, "UNKNOWN/%d", op); | |
201 | return buf; | |
202 | } | |
203 | ||
5235f626 | 204 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 205 | { |
5235f626 | 206 | ssize_t ret = 0; |
794d69ca | 207 | |
5235f626 JA |
208 | while (count--) { |
209 | ret += iov->iov_len; | |
210 | iov++; | |
211 | } | |
212 | ||
213 | return ret; | |
214 | } | |
132159a5 | 215 | |
5235f626 JA |
216 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
217 | { | |
218 | ssize_t total_len = iov_total_len(iov, count); | |
219 | ssize_t ret; | |
220 | ||
221 | do { | |
222 | ret = writev(sk, iov, count); | |
132159a5 | 223 | if (ret > 0) { |
5235f626 JA |
224 | total_len -= ret; |
225 | if (!total_len) | |
132159a5 | 226 | break; |
5235f626 JA |
227 | |
228 | while (ret) { | |
229 | if (ret >= iov->iov_len) { | |
230 | ret -= iov->iov_len; | |
231 | iov++; | |
232 | continue; | |
233 | } | |
234 | iov->iov_base += ret; | |
235 | iov->iov_len -= ret; | |
236 | ret = 0; | |
237 | } | |
132159a5 JA |
238 | } else if (!ret) |
239 | break; | |
240 | else if (errno == EAGAIN || errno == EINTR) | |
241 | continue; | |
7b821684 JA |
242 | else |
243 | break; | |
132159a5 JA |
244 | } while (!exit_backend); |
245 | ||
5235f626 | 246 | if (!total_len) |
132159a5 JA |
247 | return 0; |
248 | ||
249 | return 1; | |
250 | } | |
251 | ||
9d2c74d7 | 252 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
253 | { |
254 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
255 | ||
256 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
257 | ||
258 | return fio_sendv_data(sk, &iov, 1); | |
259 | } | |
260 | ||
9d2c74d7 | 261 | static int fio_recv_data(int sk, void *p, unsigned int len) |
132159a5 JA |
262 | { |
263 | do { | |
264 | int ret = recv(sk, p, len, MSG_WAITALL); | |
265 | ||
266 | if (ret > 0) { | |
267 | len -= ret; | |
268 | if (!len) | |
269 | break; | |
270 | p += ret; | |
271 | continue; | |
272 | } else if (!ret) | |
273 | break; | |
274 | else if (errno == EAGAIN || errno == EINTR) | |
275 | continue; | |
7b821684 JA |
276 | else |
277 | break; | |
132159a5 JA |
278 | } while (!exit_backend); |
279 | ||
280 | if (!len) | |
281 | return 0; | |
282 | ||
283 | return -1; | |
284 | } | |
285 | ||
286 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
287 | { | |
fcee5ff6 | 288 | uint16_t crc; |
132159a5 | 289 | |
fcee5ff6 JA |
290 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
291 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 292 | |
25dfa848 | 293 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 294 | if (crc != cmd->cmd_crc16) { |
132159a5 | 295 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 296 | cmd->cmd_crc16, crc); |
132159a5 JA |
297 | return 1; |
298 | } | |
299 | ||
300 | cmd->version = le16_to_cpu(cmd->version); | |
301 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
302 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 303 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
304 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
305 | ||
306 | switch (cmd->version) { | |
fa2ea806 | 307 | case FIO_SERVER_VER: |
132159a5 JA |
308 | break; |
309 | default: | |
310 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
311 | return 1; | |
312 | } | |
313 | ||
b9d2f30a | 314 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
315 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
316 | return 1; | |
317 | } | |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
a64e88da JA |
322 | /* |
323 | * Read (and defragment, if necessary) incoming commands | |
324 | */ | |
e951bdc4 | 325 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 326 | { |
dfbf1f6f | 327 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 328 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 329 | uint16_t crc; |
a64e88da JA |
330 | int ret, first = 1; |
331 | void *pdu = NULL; | |
132159a5 | 332 | |
a64e88da JA |
333 | do { |
334 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
335 | if (ret) | |
336 | break; | |
132159a5 | 337 | |
a64e88da JA |
338 | /* We have a command, verify it and swap if need be */ |
339 | ret = verify_convert_cmd(&cmd); | |
340 | if (ret) | |
341 | break; | |
132159a5 | 342 | |
0b8f30a5 JA |
343 | if (first) { |
344 | /* if this is text, add room for \0 at the end */ | |
345 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
346 | assert(!cmdret); | |
347 | } else | |
a64e88da | 348 | cmd_size += cmd.pdu_len; |
132159a5 | 349 | |
dfbf1f6f JA |
350 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
351 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
352 | ret = 1; | |
353 | break; | |
354 | } | |
355 | ||
356 | tmp = realloc(cmdret, cmd_size); | |
357 | if (!tmp) { | |
358 | log_err("fio: server failed allocating cmd\n"); | |
359 | ret = 1; | |
360 | break; | |
361 | } | |
362 | cmdret = tmp; | |
132159a5 | 363 | |
a64e88da JA |
364 | if (first) |
365 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
366 | else if (cmdret->opcode != cmd.opcode) { |
367 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
368 | cmdret->opcode, cmd.opcode); | |
369 | ret = 1; | |
370 | break; | |
371 | } | |
a64e88da JA |
372 | |
373 | if (!cmd.pdu_len) | |
374 | break; | |
375 | ||
376 | /* There's payload, get it */ | |
377 | pdu = (void *) cmdret->payload + pdu_offset; | |
378 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
379 | if (ret) | |
380 | break; | |
381 | ||
382 | /* Verify payload crc */ | |
25dfa848 | 383 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
384 | if (crc != cmd.pdu_crc16) { |
385 | log_err("fio: server bad crc on payload "); | |
386 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
387 | ret = 1; | |
388 | break; | |
389 | } | |
390 | ||
391 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
392 | if (!first) |
393 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
394 | first = 0; |
395 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 396 | |
a64e88da JA |
397 | if (ret) { |
398 | free(cmdret); | |
399 | cmdret = NULL; | |
0b8f30a5 JA |
400 | } else if (cmdret) { |
401 | /* zero-terminate text input */ | |
084d1c6f JA |
402 | if (cmdret->pdu_len) { |
403 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
404 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
405 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 406 | |
8a1db9a1 | 407 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 408 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
409 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
410 | char *buf = (char *) __pdu->buf; | |
411 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 412 | |
46bcd498 | 413 | buf[len] = '\0'; |
084d1c6f | 414 | } |
0b8f30a5 | 415 | } |
084d1c6f | 416 | |
0b8f30a5 | 417 | /* frag flag is internal */ |
a64e88da | 418 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 419 | } |
a64e88da JA |
420 | |
421 | return cmdret; | |
132159a5 JA |
422 | } |
423 | ||
40c60516 JA |
424 | static void add_reply(uint64_t tag, struct flist_head *list) |
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 | flist_add_tail(&reply->list, list); |
430 | } | |
431 | ||
432 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
433 | { | |
434 | struct fio_net_cmd_reply *reply; | |
435 | ||
436 | reply = calloc(1, sizeof(*reply)); | |
437 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 438 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
439 | reply->saved_tag = tag; |
440 | reply->opcode = opcode; | |
441 | ||
442 | return (uintptr_t) reply; | |
443 | } | |
444 | ||
445 | static void free_reply(uint64_t tag) | |
446 | { | |
a572bbfb | 447 | struct fio_net_cmd_reply *reply; |
40c60516 | 448 | |
a572bbfb | 449 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
450 | free(reply); |
451 | } | |
452 | ||
9d2c74d7 | 453 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
454 | { |
455 | uint32_t pdu_len; | |
456 | ||
25dfa848 | 457 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
458 | |
459 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
460 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
461 | } | |
462 | ||
9d2c74d7 | 463 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
464 | { |
465 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
466 | } |
467 | ||
af9c9fb3 | 468 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 469 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 470 | { |
7f868316 JA |
471 | struct fio_net_cmd *cmd = NULL; |
472 | size_t this_len, cur_len = 0; | |
40c60516 | 473 | uint64_t tag; |
794d69ca JA |
474 | int ret; |
475 | ||
40c60516 JA |
476 | if (list) { |
477 | assert(tagptr); | |
478 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
479 | } else | |
480 | tag = tagptr ? *tagptr : 0; | |
481 | ||
794d69ca JA |
482 | do { |
483 | this_len = size; | |
b9d2f30a JA |
484 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
485 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 486 | |
7f868316 JA |
487 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
488 | if (cmd) | |
489 | free(cmd); | |
490 | ||
491 | cur_len = sizeof(*cmd) + this_len; | |
492 | cmd = malloc(cur_len); | |
493 | } | |
794d69ca | 494 | |
af9c9fb3 | 495 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
496 | |
497 | if (this_len < size) | |
ddcc0b69 | 498 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
499 | |
500 | fio_net_cmd_crc(cmd); | |
501 | ||
502 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
503 | size -= this_len; |
504 | buf += this_len; | |
505 | } while (!ret && size); | |
506 | ||
40c60516 JA |
507 | if (list) { |
508 | if (ret) | |
509 | free_reply(tag); | |
510 | else | |
511 | add_reply(tag, list); | |
512 | } | |
513 | ||
7f868316 JA |
514 | if (cmd) |
515 | free(cmd); | |
516 | ||
794d69ca JA |
517 | return ret; |
518 | } | |
519 | ||
9d2c74d7 JA |
520 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, |
521 | uint64_t *tagptr, int flags) | |
f77d4b73 | 522 | { |
f77d4b73 JA |
523 | struct sk_entry *entry; |
524 | ||
525 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 526 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
527 | entry->opcode = opcode; |
528 | if (flags & SK_F_COPY) { | |
529 | entry->buf = smalloc(size); | |
530 | memcpy(entry->buf, buf, size); | |
531 | } else | |
532 | entry->buf = buf; | |
533 | entry->size = size; | |
534 | entry->tagptr = tagptr; | |
535 | entry->flags = flags; | |
536 | ||
02594e37 JA |
537 | return entry; |
538 | } | |
539 | ||
540 | static void fio_net_queue_entry(struct sk_entry *entry) | |
541 | { | |
542 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
543 | ||
f77d4b73 JA |
544 | sk_lock(sk_out); |
545 | flist_add_tail(&entry->list, &sk_out->list); | |
546 | sk_unlock(sk_out); | |
547 | ||
548 | fio_mutex_up(sk_out->wait); | |
02594e37 | 549 | } |
f77d4b73 | 550 | |
02594e37 JA |
551 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
552 | uint64_t *tagptr, int flags) | |
553 | { | |
554 | struct sk_entry *entry; | |
555 | ||
556 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
557 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
558 | return 0; |
559 | } | |
560 | ||
89c1707c | 561 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 562 | { |
178cde9f | 563 | struct fio_net_cmd cmd; |
132159a5 | 564 | |
af9c9fb3 | 565 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
566 | fio_net_cmd_crc(&cmd); |
567 | ||
568 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
569 | } | |
570 | ||
89c1707c JA |
571 | /* |
572 | * If 'list' is non-NULL, then allocate and store the sent command for | |
573 | * later verification. | |
574 | */ | |
575 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
576 | struct flist_head *list) | |
577 | { | |
89c1707c JA |
578 | int ret; |
579 | ||
40c60516 JA |
580 | if (list) |
581 | tag = alloc_reply(tag, opcode); | |
89c1707c | 582 | |
40c60516 | 583 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 584 | if (ret) { |
40c60516 JA |
585 | if (list) |
586 | free_reply(tag); | |
587 | ||
89c1707c JA |
588 | return ret; |
589 | } | |
590 | ||
40c60516 JA |
591 | if (list) |
592 | add_reply(tag, list); | |
593 | ||
89c1707c JA |
594 | return 0; |
595 | } | |
596 | ||
f77d4b73 JA |
597 | static int fio_net_queue_quit(void) |
598 | { | |
599 | dprint(FD_NET, "server: sending quit\n"); | |
600 | ||
601 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
602 | } | |
603 | ||
122c7725 | 604 | int fio_net_send_quit(int sk) |
437377e1 | 605 | { |
46c48f1f | 606 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 607 | |
8c95307b | 608 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
609 | } |
610 | ||
f77d4b73 | 611 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 612 | { |
11e950bd | 613 | struct cmd_end_pdu epdu; |
f58bd2a4 | 614 | uint64_t tag = 0; |
122c7725 | 615 | |
f58bd2a4 JA |
616 | if (cmd) |
617 | tag = cmd->tag; | |
122c7725 JA |
618 | |
619 | epdu.error = __cpu_to_le32(error); | |
620 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 621 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
622 | } |
623 | ||
f77d4b73 | 624 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
625 | { |
626 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 627 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
628 | } |
629 | ||
630 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
631 | { | |
632 | struct fio_fork_item *ffi; | |
633 | ||
634 | ffi = malloc(sizeof(*ffi)); | |
635 | ffi->exitval = 0; | |
636 | ffi->signal = 0; | |
637 | ffi->exited = 0; | |
638 | ffi->pid = pid; | |
639 | flist_add_tail(&ffi->list, list); | |
640 | } | |
641 | ||
6348b5de | 642 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 643 | { |
a7533dbd | 644 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 645 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
646 | } |
647 | ||
6348b5de | 648 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 649 | { |
a7533dbd | 650 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 651 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
652 | } |
653 | ||
654 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
655 | { | |
656 | int ret, status; | |
657 | ||
658 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
659 | if (ret < 0) { | |
660 | if (errno == ECHILD) { | |
a7533dbd | 661 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
662 | ffi->exited = 1; |
663 | } else | |
664 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
665 | } else if (ret == ffi->pid) { | |
666 | if (WIFSIGNALED(status)) { | |
667 | ffi->signal = WTERMSIG(status); | |
668 | ffi->exited = 1; | |
669 | } | |
670 | if (WIFEXITED(status)) { | |
671 | if (WEXITSTATUS(status)) | |
672 | ffi->exitval = WEXITSTATUS(status); | |
673 | ffi->exited = 1; | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
f77d4b73 | 678 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 679 | { |
a7533dbd | 680 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
681 | |
682 | /* | |
683 | * Fold STOP and QUIT... | |
684 | */ | |
f77d4b73 JA |
685 | if (stop) { |
686 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
687 | fio_net_queue_quit(); | |
688 | } | |
689 | ||
122c7725 JA |
690 | flist_del(&ffi->list); |
691 | free(ffi); | |
692 | } | |
693 | ||
f77d4b73 | 694 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
695 | { |
696 | struct flist_head *entry, *tmp; | |
697 | struct fio_fork_item *ffi; | |
698 | ||
699 | flist_for_each_safe(entry, tmp, list) { | |
700 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
701 | ||
702 | fio_server_check_fork_item(ffi); | |
703 | ||
704 | if (ffi->exited) | |
f77d4b73 | 705 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
706 | } |
707 | } | |
708 | ||
6348b5de | 709 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 710 | { |
f77d4b73 | 711 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
712 | } |
713 | ||
6348b5de | 714 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 715 | { |
f77d4b73 | 716 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
717 | } |
718 | ||
323255cc JA |
719 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
720 | { | |
721 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
722 | void *file_name = pdu->file; | |
723 | struct cmd_start_pdu spdu; | |
724 | ||
725 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
726 | ||
727 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
728 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
729 | ||
730 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 731 | fio_net_queue_quit(); |
323255cc JA |
732 | return -1; |
733 | } | |
734 | ||
735 | spdu.jobs = cpu_to_le32(thread_number); | |
736 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 737 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
738 | return 0; |
739 | } | |
740 | ||
f77d4b73 JA |
741 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
742 | struct fio_net_cmd *cmd) | |
122c7725 JA |
743 | { |
744 | pid_t pid; | |
a64e88da | 745 | int ret; |
132159a5 | 746 | |
cbb1303c | 747 | fio_time_init(); |
122c7725 | 748 | set_genesis_time(); |
11e950bd | 749 | |
122c7725 JA |
750 | pid = fork(); |
751 | if (pid) { | |
6348b5de | 752 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
753 | return 0; |
754 | } | |
11e950bd | 755 | |
24660963 | 756 | ret = fio_backend(sk_out); |
2bb3f0a7 | 757 | free_threads_shm(); |
122c7725 | 758 | _exit(ret); |
81179eec JA |
759 | } |
760 | ||
b9d2f30a JA |
761 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
762 | { | |
46bcd498 JA |
763 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
764 | void *buf = pdu->buf; | |
b9d2f30a JA |
765 | struct cmd_start_pdu spdu; |
766 | ||
46bcd498 JA |
767 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
768 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
769 | ||
770 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 771 | fio_net_queue_quit(); |
b9d2f30a JA |
772 | return -1; |
773 | } | |
774 | ||
775 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 776 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
777 | |
778 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
779 | return 0; |
780 | } | |
781 | ||
81179eec JA |
782 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
783 | { | |
fa2ea806 JA |
784 | void *pdu = cmd->payload; |
785 | struct cmd_single_line_pdu *cslp; | |
786 | struct cmd_line_pdu *clp; | |
787 | unsigned long offset; | |
b9d2f30a | 788 | struct cmd_start_pdu spdu; |
fa2ea806 | 789 | char **argv; |
b9d2f30a | 790 | int i; |
81179eec | 791 | |
fa2ea806 JA |
792 | clp = pdu; |
793 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 794 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
795 | argv = malloc(clp->lines * sizeof(char *)); |
796 | offset = sizeof(*clp); | |
81179eec | 797 | |
fa2ea806 | 798 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 799 | |
fa2ea806 JA |
800 | for (i = 0; i < clp->lines; i++) { |
801 | cslp = pdu + offset; | |
802 | argv[i] = (char *) cslp->text; | |
803 | ||
804 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
805 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
806 | } | |
81179eec | 807 | |
46bcd498 | 808 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 809 | fio_net_queue_quit(); |
fa2ea806 | 810 | free(argv); |
81179eec | 811 | return -1; |
e6d1c668 | 812 | } |
81179eec | 813 | |
fa2ea806 JA |
814 | free(argv); |
815 | ||
b9d2f30a | 816 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 817 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
818 | |
819 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 820 | return 0; |
132159a5 JA |
821 | } |
822 | ||
c28e8e8c JA |
823 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
824 | { | |
3989b143 JA |
825 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
826 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 827 | uint64_t tag = cmd->tag; |
c28e8e8c | 828 | |
89c1707c JA |
829 | dprint(FD_NET, "server: sending probe reply\n"); |
830 | ||
ca09be4b JA |
831 | strcpy(me, (char *) pdu->server); |
832 | ||
c28e8e8c JA |
833 | memset(&probe, 0, sizeof(probe)); |
834 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 835 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
836 | probe.bigendian = 1; |
837 | #endif | |
750db473 | 838 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 839 | |
cca84643 JA |
840 | probe.os = FIO_OS; |
841 | probe.arch = FIO_ARCH; | |
38fdef22 | 842 | probe.bpp = sizeof(void *); |
d31e26d0 | 843 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
844 | |
845 | /* | |
846 | * If the client supports compression and we do too, then enable it | |
847 | */ | |
848 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
849 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
850 | use_zlib = 1; | |
851 | } else { | |
852 | probe.flags = 0; | |
853 | use_zlib = 0; | |
854 | } | |
38fdef22 | 855 | |
f77d4b73 | 856 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
857 | } |
858 | ||
859 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
860 | { | |
861 | struct jobs_eta *je; | |
40c60516 | 862 | uint64_t tag = cmd->tag; |
723297c9 | 863 | size_t size; |
af9c9fb3 JA |
864 | int i; |
865 | ||
e123c833 JA |
866 | dprint(FD_NET, "server sending status\n"); |
867 | ||
868 | /* | |
869 | * Fake ETA return if we don't have a local one, otherwise the client | |
870 | * will end up timing out waiting for a response to the ETA request | |
871 | */ | |
c5103619 | 872 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
873 | if (!je) { |
874 | size = sizeof(*je); | |
875 | je = calloc(1, size); | |
876 | } else { | |
e123c833 JA |
877 | je->nr_running = cpu_to_le32(je->nr_running); |
878 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
879 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
880 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
881 | je->files_open = cpu_to_le32(je->files_open); | |
882 | ||
883 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
884 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
885 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
886 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
887 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
888 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
889 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
890 | } | |
af9c9fb3 | 891 | |
e123c833 JA |
892 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
893 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
894 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
895 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
896 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
897 | } |
898 | ||
f77d4b73 | 899 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 900 | return 0; |
c28e8e8c JA |
901 | } |
902 | ||
f77d4b73 | 903 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
904 | { |
905 | uint64_t tag = __tag; | |
906 | uint32_t pdu_error; | |
907 | ||
908 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 909 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
910 | } |
911 | ||
f58bd2a4 JA |
912 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
913 | { | |
914 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
915 | struct thread_data *td; | |
916 | uint32_t tnumber; | |
917 | ||
918 | tnumber = le32_to_cpu(pdu->thread_number); | |
919 | ||
920 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
921 | ||
30ffacbf | 922 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 923 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
924 | return 0; |
925 | } | |
926 | ||
30ffacbf | 927 | td = &threads[tnumber - 1]; |
f58bd2a4 | 928 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 929 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
930 | return 0; |
931 | } | |
932 | ||
ca09be4b JA |
933 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
934 | { | |
935 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
936 | char *buf = (char *) pdu->cmd; | |
937 | struct all_io_list *rep; | |
938 | size_t sz; | |
939 | ||
940 | pdu->len = le16_to_cpu(pdu->len); | |
941 | buf[pdu->len] = '\0'; | |
942 | ||
943 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
944 | if (!rep) { | |
945 | struct all_io_list state; | |
946 | ||
947 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
948 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
949 | } else | |
950 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
951 | |
952 | exec_trigger(buf); | |
953 | return 0; | |
954 | } | |
955 | ||
f77d4b73 JA |
956 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
957 | struct fio_net_cmd *cmd) | |
132159a5 JA |
958 | { |
959 | int ret; | |
960 | ||
4b91ee8f JA |
961 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
962 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
963 | (unsigned long long) cmd->tag); | |
46c48f1f | 964 | |
132159a5 JA |
965 | switch (cmd->opcode) { |
966 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 967 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
968 | ret = 0; |
969 | break; | |
d7959186 | 970 | case FIO_NET_CMD_EXIT: |
132159a5 | 971 | exit_backend = 1; |
c28e8e8c | 972 | return -1; |
323255cc JA |
973 | case FIO_NET_CMD_LOAD_FILE: |
974 | ret = handle_load_file_cmd(cmd); | |
975 | break; | |
132159a5 | 976 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 977 | ret = handle_job_cmd(cmd); |
132159a5 | 978 | break; |
81179eec JA |
979 | case FIO_NET_CMD_JOBLINE: |
980 | ret = handle_jobline_cmd(cmd); | |
981 | break; | |
c28e8e8c JA |
982 | case FIO_NET_CMD_PROBE: |
983 | ret = handle_probe_cmd(cmd); | |
984 | break; | |
af9c9fb3 JA |
985 | case FIO_NET_CMD_SEND_ETA: |
986 | ret = handle_send_eta_cmd(cmd); | |
987 | break; | |
b9d2f30a | 988 | case FIO_NET_CMD_RUN: |
f77d4b73 | 989 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 990 | break; |
f58bd2a4 JA |
991 | case FIO_NET_CMD_UPDATE_JOB: |
992 | ret = handle_update_job_cmd(cmd); | |
993 | break; | |
ca09be4b JA |
994 | case FIO_NET_CMD_VTRIGGER: |
995 | ret = handle_trigger_cmd(cmd); | |
996 | break; | |
997 | case FIO_NET_CMD_SENDFILE: { | |
998 | struct cmd_sendfile_reply *in; | |
999 | struct cmd_reply *rep; | |
1000 | ||
1001 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1002 | ||
1003 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1004 | in->size = le32_to_cpu(in->size); | |
1005 | in->error = le32_to_cpu(in->error); | |
1006 | if (in->error) { | |
1007 | ret = 1; | |
1008 | rep->error = in->error; | |
1009 | } else { | |
1010 | ret = 0; | |
1011 | rep->data = smalloc(in->size); | |
1012 | if (!rep->data) { | |
1013 | ret = 1; | |
1014 | rep->error = ENOMEM; | |
1015 | } else { | |
1016 | rep->size = in->size; | |
1017 | memcpy(rep->data, in->data, in->size); | |
1018 | } | |
1019 | } | |
1020 | fio_mutex_up(&rep->lock); | |
1021 | break; | |
1022 | } | |
132159a5 | 1023 | default: |
3c3ed070 | 1024 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1025 | ret = 1; |
1026 | } | |
1027 | ||
1028 | return ret; | |
1029 | } | |
1030 | ||
02594e37 JA |
1031 | /* |
1032 | * Send a command with a separate PDU, not inlined in the command | |
1033 | */ | |
1034 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1035 | off_t size, uint64_t tag, uint32_t flags) | |
1036 | { | |
1037 | struct fio_net_cmd cmd; | |
1038 | struct iovec iov[2]; | |
1039 | ||
1040 | iov[0].iov_base = (void *) &cmd; | |
1041 | iov[0].iov_len = sizeof(cmd); | |
1042 | iov[1].iov_base = (void *) buf; | |
1043 | iov[1].iov_len = size; | |
1044 | ||
1045 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1046 | cmd.flags = __cpu_to_le32(flags); | |
1047 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1048 | ||
1049 | return fio_sendv_data(sk, iov, 2); | |
1050 | } | |
1051 | ||
1052 | static void finish_entry(struct sk_entry *entry) | |
1053 | { | |
1054 | if (entry->flags & SK_F_FREE) | |
1055 | free(entry->buf); | |
1056 | else if (entry->flags & SK_F_COPY) | |
1057 | sfree(entry->buf); | |
1058 | ||
1059 | sfree(entry); | |
1060 | } | |
1061 | ||
b3882320 JA |
1062 | static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list, |
1063 | unsigned int *flags, uint64_t *tag) | |
02594e37 | 1064 | { |
b3882320 JA |
1065 | if (!flist_empty(list)) |
1066 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1067 | else |
b3882320 | 1068 | *flags = 0; |
02594e37 | 1069 | |
b3882320 JA |
1070 | if (entry->tagptr) |
1071 | *tag = *entry->tagptr; | |
02594e37 | 1072 | else |
b3882320 JA |
1073 | *tag = 0; |
1074 | } | |
02594e37 | 1075 | |
b3882320 JA |
1076 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1077 | { | |
1078 | unsigned int flags; | |
1079 | uint64_t tag; | |
1080 | int ret; | |
1081 | ||
1082 | entry_set_flags_tag(first, &first->next, &flags, &tag); | |
1083 | ||
1084 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags); | |
02594e37 JA |
1085 | |
1086 | while (!flist_empty(&first->next)) { | |
1087 | struct sk_entry *next; | |
1088 | ||
1089 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1090 | flist_del_init(&next->list); | |
02594e37 | 1091 | |
b3882320 | 1092 | entry_set_flags_tag(next, &first->next, &flags, &tag); |
02594e37 | 1093 | |
b3882320 | 1094 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags); |
02594e37 JA |
1095 | finish_entry(next); |
1096 | } | |
b3882320 JA |
1097 | |
1098 | return ret; | |
02594e37 JA |
1099 | } |
1100 | ||
b3882320 | 1101 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1102 | { |
b3882320 JA |
1103 | int ret; |
1104 | ||
02594e37 | 1105 | if (entry->flags & SK_F_VEC) |
b3882320 | 1106 | ret = send_vec_entry(sk_out, entry); |
f77d4b73 JA |
1107 | if (entry->flags & SK_F_SIMPLE) { |
1108 | uint64_t tag = 0; | |
1109 | ||
1110 | if (entry->tagptr) | |
1111 | tag = *entry->tagptr; | |
1112 | ||
b3882320 | 1113 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); |
f77d4b73 | 1114 | } else |
b3882320 JA |
1115 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); |
1116 | ||
1117 | if (ret) | |
1118 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1119 | |
02594e37 | 1120 | finish_entry(entry); |
b3882320 | 1121 | return ret; |
f77d4b73 JA |
1122 | } |
1123 | ||
b3882320 | 1124 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1125 | { |
1126 | struct sk_entry *entry; | |
1127 | FLIST_HEAD(list); | |
b3882320 | 1128 | int ret = 0; |
f77d4b73 JA |
1129 | |
1130 | sk_lock(sk_out); | |
1131 | if (flist_empty(&sk_out->list)) { | |
1132 | sk_unlock(sk_out); | |
b3882320 | 1133 | return 0; |
f77d4b73 JA |
1134 | } |
1135 | ||
1136 | flist_splice_init(&sk_out->list, &list); | |
1137 | sk_unlock(sk_out); | |
1138 | ||
1139 | while (!flist_empty(&list)) { | |
1140 | entry = flist_entry(list.next, struct sk_entry, list); | |
1141 | flist_del(&entry->list); | |
b3882320 | 1142 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1143 | } |
b3882320 JA |
1144 | |
1145 | return ret; | |
f77d4b73 JA |
1146 | } |
1147 | ||
1148 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1149 | { |
1150 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1151 | FLIST_HEAD(job_list); |
132159a5 JA |
1152 | int ret = 0; |
1153 | ||
122c7725 | 1154 | reset_fio_state(); |
122c7725 | 1155 | |
132159a5 JA |
1156 | /* read forever */ |
1157 | while (!exit_backend) { | |
e951bdc4 | 1158 | struct pollfd pfd = { |
f77d4b73 | 1159 | .fd = sk_out->sk, |
e951bdc4 JA |
1160 | .events = POLLIN, |
1161 | }; | |
1162 | ||
1163 | ret = 0; | |
1164 | do { | |
54163255 JA |
1165 | int timeout = 1000; |
1166 | ||
1167 | if (!flist_empty(&job_list)) | |
1168 | timeout = 100; | |
3c3ed070 | 1169 | |
f77d4b73 JA |
1170 | handle_xmits(sk_out); |
1171 | ||
1172 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1173 | if (ret < 0) { |
1174 | if (errno == EINTR) | |
1175 | break; | |
1176 | log_err("fio: poll: %s\n", strerror(errno)); | |
1177 | break; | |
19c65179 | 1178 | } else if (!ret) { |
6348b5de | 1179 | fio_server_check_jobs(&job_list); |
f77d4b73 | 1180 | fio_mutex_down_timeout(sk_out->wait, timeout); |
e951bdc4 | 1181 | continue; |
19c65179 | 1182 | } |
e951bdc4 JA |
1183 | |
1184 | if (pfd.revents & POLLIN) | |
1185 | break; | |
1186 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1187 | ret = 1; | |
1188 | break; | |
1189 | } | |
19c65179 | 1190 | } while (!exit_backend); |
e951bdc4 | 1191 | |
6348b5de | 1192 | fio_server_check_jobs(&job_list); |
122c7725 | 1193 | |
e951bdc4 JA |
1194 | if (ret < 0) |
1195 | break; | |
1196 | ||
f77d4b73 | 1197 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1198 | if (!cmd) { |
c28e8e8c | 1199 | ret = -1; |
132159a5 JA |
1200 | break; |
1201 | } | |
1202 | ||
f77d4b73 | 1203 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1204 | if (ret) |
1205 | break; | |
1206 | ||
1207 | free(cmd); | |
c77a99e7 | 1208 | cmd = NULL; |
132159a5 JA |
1209 | } |
1210 | ||
1211 | if (cmd) | |
1212 | free(cmd); | |
1213 | ||
f77d4b73 JA |
1214 | handle_xmits(sk_out); |
1215 | ||
1216 | close(sk_out->sk); | |
0ae6acea | 1217 | sk_out->sk = -1; |
bce503fc | 1218 | __sk_out_drop(sk_out); |
122c7725 | 1219 | _exit(ret); |
cc0df00a JA |
1220 | } |
1221 | ||
296ab20a BE |
1222 | /* get the address on this host bound by the input socket, |
1223 | * whether it is ipv6 or ipv4 */ | |
1224 | ||
9d2c74d7 | 1225 | static int get_my_addr_str(int sk) |
296ab20a | 1226 | { |
f77d4b73 JA |
1227 | struct sockaddr_in6 myaddr6 = { 0, }; |
1228 | struct sockaddr_in myaddr4 = { 0, }; | |
1229 | struct sockaddr *sockaddr_p; | |
1230 | char *net_addr; | |
1231 | socklen_t len; | |
1232 | int ret; | |
296ab20a | 1233 | |
f77d4b73 JA |
1234 | if (use_ipv6) { |
1235 | len = sizeof(myaddr6); | |
296ab20a | 1236 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1237 | net_addr = (char * )&myaddr6.sin6_addr; |
1238 | } else { | |
1239 | len = sizeof(myaddr4); | |
296ab20a | 1240 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1241 | net_addr = (char * )&myaddr4.sin_addr; |
1242 | } | |
1243 | ||
296ab20a BE |
1244 | ret = getsockname(sk, sockaddr_p, &len); |
1245 | if (ret) { | |
1246 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1247 | return -1; |
1248 | } | |
f77d4b73 JA |
1249 | |
1250 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1251 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1252 | return -1; |
1253 | } | |
f77d4b73 | 1254 | |
296ab20a BE |
1255 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1256 | return 0; | |
1257 | } | |
1258 | ||
ea1cd038 | 1259 | static int accept_loop(int listen_sk) |
50d16976 | 1260 | { |
bb447a27 | 1261 | struct sockaddr_in addr; |
479471c4 JA |
1262 | struct sockaddr_in6 addr6; |
1263 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1264 | struct pollfd pfd; |
4a851614 | 1265 | int ret = 0, sk, exitval = 0; |
6348b5de | 1266 | FLIST_HEAD(conn_list); |
50d16976 | 1267 | |
60efd14e JA |
1268 | dprint(FD_NET, "server enter accept loop\n"); |
1269 | ||
4a851614 | 1270 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1271 | |
122c7725 | 1272 | while (!exit_backend) { |
ea1cd038 | 1273 | struct sk_out *sk_out; |
479471c4 JA |
1274 | const char *from; |
1275 | char buf[64]; | |
122c7725 | 1276 | pid_t pid; |
009b1be4 | 1277 | |
122c7725 JA |
1278 | pfd.fd = listen_sk; |
1279 | pfd.events = POLLIN; | |
1280 | do { | |
54163255 JA |
1281 | int timeout = 1000; |
1282 | ||
1283 | if (!flist_empty(&conn_list)) | |
1284 | timeout = 100; | |
1285 | ||
1286 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1287 | if (ret < 0) { |
1288 | if (errno == EINTR) | |
1289 | break; | |
1290 | log_err("fio: poll: %s\n", strerror(errno)); | |
1291 | break; | |
1292 | } else if (!ret) { | |
6348b5de | 1293 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1294 | continue; |
1295 | } | |
009b1be4 | 1296 | |
122c7725 JA |
1297 | if (pfd.revents & POLLIN) |
1298 | break; | |
1299 | } while (!exit_backend); | |
50d16976 | 1300 | |
6348b5de | 1301 | fio_server_check_conns(&conn_list); |
46c48f1f | 1302 | |
122c7725 JA |
1303 | if (exit_backend || ret < 0) |
1304 | break; | |
1305 | ||
479471c4 JA |
1306 | if (use_ipv6) |
1307 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1308 | else | |
1309 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1310 | ||
122c7725 JA |
1311 | if (sk < 0) { |
1312 | log_err("fio: accept: %s\n", strerror(errno)); | |
1313 | return -1; | |
1314 | } | |
37db14fe | 1315 | |
479471c4 JA |
1316 | if (use_ipv6) |
1317 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1318 | else | |
1319 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1320 | ||
1321 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1322 | |
bce503fc | 1323 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1324 | sk_out->sk = sk; |
bce503fc JA |
1325 | INIT_FLIST_HEAD(&sk_out->list); |
1326 | sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); | |
1327 | sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED); | |
f77d4b73 | 1328 | |
122c7725 JA |
1329 | pid = fork(); |
1330 | if (pid) { | |
1331 | close(sk); | |
6348b5de | 1332 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1333 | continue; |
1334 | } | |
5c341e9a | 1335 | |
0ae6acea JA |
1336 | /* if error, it's already logged, non-fatal */ |
1337 | get_my_addr_str(sk); | |
1338 | ||
1339 | /* | |
1340 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1341 | * since that function calls _exit() when done | |
1342 | */ | |
bce503fc | 1343 | sk_out_assign(sk_out); |
f77d4b73 | 1344 | handle_connection(sk_out); |
122c7725 | 1345 | } |
5c341e9a | 1346 | |
132159a5 | 1347 | return exitval; |
50d16976 JA |
1348 | } |
1349 | ||
084d1c6f | 1350 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1351 | { |
f77d4b73 | 1352 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1353 | struct cmd_text_pdu *pdu; |
1354 | unsigned int tlen; | |
1355 | struct timeval tv; | |
1356 | ||
f77d4b73 | 1357 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1358 | return -1; |
084d1c6f JA |
1359 | |
1360 | tlen = sizeof(*pdu) + len; | |
1361 | pdu = malloc(tlen); | |
1362 | ||
1363 | pdu->level = __cpu_to_le32(level); | |
1364 | pdu->buf_len = __cpu_to_le32(len); | |
1365 | ||
1366 | gettimeofday(&tv, NULL); | |
1367 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1368 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1369 | |
084d1c6f JA |
1370 | memcpy(pdu->buf, buf, len); |
1371 | ||
f77d4b73 | 1372 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1373 | free(pdu); |
1374 | return len; | |
142575e6 JA |
1375 | } |
1376 | ||
a64e88da JA |
1377 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1378 | { | |
1379 | dst->max_val = cpu_to_le64(src->max_val); | |
1380 | dst->min_val = cpu_to_le64(src->min_val); | |
1381 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1382 | |
1383 | /* | |
1384 | * Encode to IEEE 754 for network transfer | |
1385 | */ | |
e5c9093d JA |
1386 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1387 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1388 | } |
1389 | ||
1390 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1391 | { | |
1392 | int i; | |
1393 | ||
298921d6 | 1394 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1395 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1396 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1397 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1398 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1399 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1400 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1401 | } | |
1402 | ||
1403 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1404 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1405 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1406 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1407 | } |
1408 | ||
1409 | /* | |
1410 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1411 | * into a single payload. | |
1412 | */ | |
1413 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1414 | { | |
1415 | struct cmd_ts_pdu p; | |
1416 | int i, j; | |
1417 | ||
60efd14e JA |
1418 | dprint(FD_NET, "server sending end stats\n"); |
1419 | ||
317b3c8b JA |
1420 | memset(&p, 0, sizeof(p)); |
1421 | ||
4e59d0f3 JA |
1422 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1423 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1424 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1425 | |
2f122b13 JA |
1426 | p.ts.error = cpu_to_le32(ts->error); |
1427 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1428 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1429 | p.ts.pid = cpu_to_le32(ts->pid); | |
1430 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1431 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1432 | |
298921d6 | 1433 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1434 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1435 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1436 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1437 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1438 | } | |
1439 | ||
1440 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1441 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1442 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1443 | p.ts.minf = cpu_to_le64(ts->minf); | |
1444 | p.ts.majf = cpu_to_le64(ts->majf); | |
1445 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1446 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1447 | |
1448 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1449 | fio_fp64_t *src = &ts->percentile_list[i]; |
1450 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1451 | |
e5c9093d | 1452 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1453 | } |
a64e88da JA |
1454 | |
1455 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1456 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1457 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1458 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1459 | } | |
1460 | ||
1461 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1462 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1463 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1464 | } | |
1465 | ||
298921d6 | 1466 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1467 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1468 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1469 | ||
78799deb | 1470 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1471 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1472 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1473 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1474 | } |
1475 | ||
93eee04a | 1476 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1477 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1478 | ||
298921d6 | 1479 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1480 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1481 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1482 | } | |
1483 | ||
1484 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1485 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1486 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1487 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1488 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1489 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1490 | |
3e260a46 JA |
1491 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1492 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1493 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1494 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1495 | |
66347cfa DE |
1496 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1497 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1498 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1499 | ||
a64e88da JA |
1500 | convert_gs(&p.rs, rs); |
1501 | ||
f77d4b73 | 1502 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1503 | } |
1504 | ||
1505 | void fio_server_send_gs(struct group_run_stats *rs) | |
1506 | { | |
1507 | struct group_run_stats gs; | |
1508 | ||
60efd14e JA |
1509 | dprint(FD_NET, "server sending group run stats\n"); |
1510 | ||
a64e88da | 1511 | convert_gs(&gs, rs); |
f77d4b73 | 1512 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1513 | } |
1514 | ||
0279b880 JA |
1515 | void fio_server_send_job_options(struct flist_head *opt_list, |
1516 | unsigned int groupid) | |
1517 | { | |
1518 | struct cmd_job_option pdu; | |
1519 | struct flist_head *entry; | |
1520 | ||
1521 | if (flist_empty(opt_list)) | |
1522 | return; | |
1523 | ||
1524 | flist_for_each(entry, opt_list) { | |
1525 | struct print_option *p; | |
bc0fec0e | 1526 | size_t len; |
0279b880 JA |
1527 | |
1528 | p = flist_entry(entry, struct print_option, list); | |
1529 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1530 | |
0279b880 JA |
1531 | if (groupid == -1U) { |
1532 | pdu.global = __cpu_to_le16(1); | |
1533 | pdu.groupid = 0; | |
1534 | } else { | |
1535 | pdu.global = 0; | |
bc0fec0e JA |
1536 | pdu.groupid = cpu_to_le32(groupid); |
1537 | } | |
1538 | len = strlen(p->name); | |
1539 | if (len >= sizeof(pdu.name)) { | |
1540 | len = sizeof(pdu.name) - 1; | |
1541 | pdu.truncated = __cpu_to_le16(1); | |
1542 | } | |
1543 | memcpy(pdu.name, p->name, len); | |
1544 | if (p->value) { | |
1545 | len = strlen(p->value); | |
1546 | if (len >= sizeof(pdu.value)) { | |
1547 | len = sizeof(pdu.value) - 1; | |
1548 | pdu.truncated = __cpu_to_le16(1); | |
1549 | } | |
1550 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1551 | } |
0279b880 JA |
1552 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1553 | } | |
1554 | } | |
1555 | ||
d09a64a0 JA |
1556 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1557 | { | |
1558 | int i; | |
1559 | ||
1560 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1561 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1562 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1563 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1564 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1565 | } |
1566 | ||
504bc961 JA |
1567 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1568 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1569 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1570 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1571 | } |
1572 | ||
1573 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1574 | { | |
1575 | int i; | |
1576 | ||
59140421 JA |
1577 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1578 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1579 | |
1580 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1581 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1582 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1583 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1584 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1585 | } |
1586 | ||
504bc961 JA |
1587 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1588 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1589 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1590 | } |
1591 | ||
1592 | void fio_server_send_du(void) | |
1593 | { | |
1594 | struct disk_util *du; | |
1595 | struct flist_head *entry; | |
1596 | struct cmd_du_pdu pdu; | |
1597 | ||
1598 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1599 | ||
0766d92e JA |
1600 | memset(&pdu, 0, sizeof(pdu)); |
1601 | ||
d09a64a0 JA |
1602 | flist_for_each(entry, &disk_list) { |
1603 | du = flist_entry(entry, struct disk_util, list); | |
1604 | ||
1605 | convert_dus(&pdu.dus, &du->dus); | |
1606 | convert_agg(&pdu.agg, &du->agg); | |
1607 | ||
f77d4b73 | 1608 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1609 | } |
1610 | } | |
1611 | ||
02594e37 | 1612 | static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1613 | { |
3989b143 JA |
1614 | int ret = 0; |
1615 | #ifdef CONFIG_ZLIB | |
02594e37 | 1616 | struct sk_entry *entry; |
1b42725f JA |
1617 | z_stream stream; |
1618 | void *out_pdu; | |
1b42725f JA |
1619 | |
1620 | /* | |
1621 | * Dirty - since the log is potentially huge, compress it into | |
1622 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1623 | * side defragment it. | |
1624 | */ | |
1625 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1626 | ||
1627 | stream.zalloc = Z_NULL; | |
1628 | stream.zfree = Z_NULL; | |
1629 | stream.opaque = Z_NULL; | |
1630 | ||
1631 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1632 | ret = 1; |
1633 | goto err; | |
1b42725f JA |
1634 | } |
1635 | ||
f5ed765a | 1636 | stream.next_in = (void *) log->log; |
ae588852 | 1637 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1638 | |
1639 | do { | |
02594e37 | 1640 | unsigned int this_len; |
1b42725f JA |
1641 | |
1642 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1643 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1644 | ret = deflate(&stream, Z_FINISH); |
1645 | /* may be Z_OK, or Z_STREAM_END */ | |
1646 | if (ret < 0) | |
1647 | goto err_zlib; | |
1b42725f JA |
1648 | |
1649 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1650 | ||
02594e37 JA |
1651 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
1652 | NULL, SK_F_FREE | SK_F_VEC); | |
1653 | flist_add_tail(&entry->list, &first->next); | |
1b42725f JA |
1654 | } while (stream.avail_in); |
1655 | ||
53bd8dbc | 1656 | err_zlib: |
1b42725f | 1657 | deflateEnd(&stream); |
53bd8dbc JA |
1658 | err: |
1659 | free(out_pdu); | |
3989b143 | 1660 | #endif |
53bd8dbc | 1661 | return ret; |
1b42725f JA |
1662 | } |
1663 | ||
3989b143 JA |
1664 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1665 | { | |
1666 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1667 | struct sk_entry *first; |
3989b143 JA |
1668 | int i, ret = 0; |
1669 | ||
ae588852 | 1670 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1671 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1672 | pdu.log_type = cpu_to_le32(log->log_type); |
1673 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1674 | |
1675 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1676 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1677 | |
1678 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1679 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1680 | |
b26317c9 JA |
1681 | s->time = cpu_to_le64(s->time); |
1682 | s->val = cpu_to_le64(s->val); | |
1683 | s->__ddir = cpu_to_le32(s->__ddir); | |
1684 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1685 | |
1686 | if (log->log_offset) { | |
1687 | struct io_sample_offset *so = (void *) s; | |
1688 | ||
1689 | so->offset = cpu_to_le64(so->offset); | |
1690 | } | |
3989b143 JA |
1691 | } |
1692 | ||
1693 | /* | |
02594e37 | 1694 | * Assemble header entry first |
3989b143 | 1695 | */ |
02594e37 | 1696 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC); |
3989b143 JA |
1697 | |
1698 | /* | |
02594e37 JA |
1699 | * Now append actual log entries. Compress if we can, otherwise just |
1700 | * plain text output. | |
3989b143 JA |
1701 | */ |
1702 | if (use_zlib) | |
02594e37 | 1703 | ret = fio_send_iolog_gz(first, log); |
f77d4b73 | 1704 | else { |
02594e37 JA |
1705 | struct sk_entry *entry; |
1706 | ||
1707 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, | |
1708 | log->nr_samples * log_entry_sz(log), | |
1709 | NULL, SK_F_FREE | SK_F_VEC); | |
1710 | flist_add_tail(&entry->list, &first->next); | |
f77d4b73 | 1711 | } |
3989b143 | 1712 | |
f77d4b73 | 1713 | return ret; |
3989b143 JA |
1714 | } |
1715 | ||
2f122b13 | 1716 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1717 | { |
1718 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1719 | |
731e30a2 | 1720 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1721 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1722 | pdu.groupid = cpu_to_le32(td->groupid); | |
1723 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1724 | |
f77d4b73 | 1725 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
807f9971 JA |
1726 | } |
1727 | ||
122c7725 JA |
1728 | void fio_server_send_start(struct thread_data *td) |
1729 | { | |
f77d4b73 JA |
1730 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1731 | ||
1732 | assert(sk_out->sk != -1); | |
122c7725 | 1733 | |
f77d4b73 | 1734 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1735 | } |
1736 | ||
ca09be4b | 1737 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1738 | void **datap, int *version) |
ca09be4b JA |
1739 | { |
1740 | struct thread_io_list *s; | |
1741 | struct cmd_sendfile out; | |
1742 | struct cmd_reply *rep; | |
1743 | uint64_t tag; | |
1744 | void *data; | |
1745 | ||
1746 | dprint(FD_NET, "server: request verify state\n"); | |
1747 | ||
1748 | rep = smalloc(sizeof(*rep)); | |
1749 | if (!rep) { | |
1750 | log_err("fio: smalloc pool too small\n"); | |
1751 | return 1; | |
1752 | } | |
1753 | ||
1754 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1755 | rep->data = NULL; | |
1756 | rep->error = 0; | |
1757 | ||
e499aedc JA |
1758 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1759 | threadnumber); | |
ca09be4b | 1760 | tag = (uint64_t) (uintptr_t) rep; |
f77d4b73 | 1761 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); |
ca09be4b JA |
1762 | |
1763 | /* | |
1764 | * Wait for the backend to receive the reply | |
1765 | */ | |
09400a60 | 1766 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b JA |
1767 | log_err("fio: timed out waiting for reply\n"); |
1768 | goto fail; | |
1769 | } | |
1770 | ||
1771 | if (rep->error) { | |
1772 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1773 | fail: | |
1774 | *datap = NULL; | |
1775 | sfree(rep); | |
f77d4b73 | 1776 | fio_net_queue_quit(); |
ca09be4b JA |
1777 | return 1; |
1778 | } | |
1779 | ||
1780 | /* | |
1781 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1782 | * the header, and the thread_io_list checksum | |
1783 | */ | |
1784 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1785 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1786 | goto fail; |
1787 | ||
1788 | /* | |
1789 | * Don't need the header from now, copy just the thread_io_list | |
1790 | */ | |
1791 | rep->size -= sizeof(struct verify_state_hdr); | |
1792 | data = malloc(rep->size); | |
1793 | memcpy(data, s, rep->size); | |
1794 | *datap = data; | |
1795 | ||
1796 | sfree(rep->data); | |
f5a42524 | 1797 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1798 | sfree(rep); |
1799 | return 0; | |
1800 | } | |
1801 | ||
87aa8f19 | 1802 | static int fio_init_server_ip(void) |
81179eec | 1803 | { |
811826be | 1804 | struct sockaddr *addr; |
67bf9823 | 1805 | socklen_t socklen; |
17e3531a JA |
1806 | char buf[80]; |
1807 | const char *str; | |
87aa8f19 | 1808 | int sk, opt; |
81179eec | 1809 | |
811826be JA |
1810 | if (use_ipv6) |
1811 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1812 | else | |
1813 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1814 | ||
81179eec JA |
1815 | if (sk < 0) { |
1816 | log_err("fio: socket: %s\n", strerror(errno)); | |
1817 | return -1; | |
1818 | } | |
1819 | ||
1820 | opt = 1; | |
1f81991e | 1821 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1822 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1823 | close(sk); |
81179eec JA |
1824 | return -1; |
1825 | } | |
1826 | #ifdef SO_REUSEPORT | |
6eb24791 | 1827 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1828 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1829 | close(sk); |
81179eec JA |
1830 | return -1; |
1831 | } | |
1832 | #endif | |
1833 | ||
811826be | 1834 | if (use_ipv6) { |
17e3531a JA |
1835 | const void *src = &saddr_in6.sin6_addr; |
1836 | ||
811826be JA |
1837 | addr = (struct sockaddr *) &saddr_in6; |
1838 | socklen = sizeof(saddr_in6); | |
1839 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1840 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1841 | } else { |
17e3531a JA |
1842 | const void *src = &saddr_in.sin_addr; |
1843 | ||
811826be JA |
1844 | addr = (struct sockaddr *) &saddr_in; |
1845 | socklen = sizeof(saddr_in); | |
1846 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1847 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1848 | } |
81179eec | 1849 | |
811826be | 1850 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1851 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1852 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1853 | close(sk); |
81179eec JA |
1854 | return -1; |
1855 | } | |
1856 | ||
87aa8f19 JA |
1857 | return sk; |
1858 | } | |
1859 | ||
1860 | static int fio_init_server_sock(void) | |
1861 | { | |
1862 | struct sockaddr_un addr; | |
67bf9823 | 1863 | socklen_t len; |
87aa8f19 JA |
1864 | mode_t mode; |
1865 | int sk; | |
1866 | ||
1867 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1868 | if (sk < 0) { | |
1869 | log_err("fio: socket: %s\n", strerror(errno)); | |
1870 | return -1; | |
1871 | } | |
1872 | ||
1873 | mode = umask(000); | |
1874 | ||
1875 | memset(&addr, 0, sizeof(addr)); | |
1876 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1877 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1878 | |
1879 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1880 | ||
1881 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1882 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1883 | close(sk); |
87aa8f19 JA |
1884 | return -1; |
1885 | } | |
1886 | ||
1887 | umask(mode); | |
1888 | return sk; | |
1889 | } | |
1890 | ||
1891 | static int fio_init_server_connection(void) | |
1892 | { | |
bebe6398 | 1893 | char bind_str[128]; |
87aa8f19 JA |
1894 | int sk; |
1895 | ||
1896 | dprint(FD_NET, "starting server\n"); | |
1897 | ||
1898 | if (!bind_sock) | |
1899 | sk = fio_init_server_ip(); | |
1900 | else | |
1901 | sk = fio_init_server_sock(); | |
1902 | ||
1903 | if (sk < 0) | |
1904 | return sk; | |
1905 | ||
afdcad23 JA |
1906 | memset(bind_str, 0, sizeof(bind_str)); |
1907 | ||
811826be JA |
1908 | if (!bind_sock) { |
1909 | char *p, port[16]; | |
1910 | const void *src; | |
1911 | int af; | |
1912 | ||
1913 | if (use_ipv6) { | |
1914 | af = AF_INET6; | |
1915 | src = &saddr_in6.sin6_addr; | |
1916 | } else { | |
1917 | af = AF_INET; | |
1918 | src = &saddr_in.sin_addr; | |
1919 | } | |
1920 | ||
1921 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1922 | ||
1923 | sprintf(port, ",%u", fio_net_port); | |
1924 | if (p) | |
1925 | strcat(p, port); | |
1926 | else | |
afdcad23 | 1927 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1928 | } else |
afdcad23 | 1929 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1930 | |
1931 | log_info("fio: server listening on %s\n", bind_str); | |
1932 | ||
1e1507df | 1933 | if (listen(sk, 4) < 0) { |
81179eec | 1934 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1935 | close(sk); |
81179eec JA |
1936 | return -1; |
1937 | } | |
1938 | ||
87aa8f19 JA |
1939 | return sk; |
1940 | } | |
1941 | ||
3aa3ceeb | 1942 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1943 | struct in6_addr *inp6) |
1944 | ||
1945 | { | |
1946 | int ret = 0; | |
1947 | ||
3aa3ceeb | 1948 | if (ipv6) |
3ec62ec4 JA |
1949 | ret = inet_pton(AF_INET6, host, inp6); |
1950 | else | |
1951 | ret = inet_pton(AF_INET, host, inp); | |
1952 | ||
1953 | if (ret != 1) { | |
479471c4 JA |
1954 | struct addrinfo hints, *res; |
1955 | ||
1956 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1957 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1958 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1959 | |
479471c4 JA |
1960 | ret = getaddrinfo(host, NULL, &hints, &res); |
1961 | if (ret) { | |
1962 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1963 | gai_strerror(ret)); | |
3caf43e3 | 1964 | return 1; |
3ec62ec4 JA |
1965 | } |
1966 | ||
3aa3ceeb | 1967 | if (ipv6) |
479471c4 JA |
1968 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1969 | else | |
1970 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1971 | ||
3ec62ec4 | 1972 | ret = 1; |
479471c4 | 1973 | freeaddrinfo(res); |
3ec62ec4 JA |
1974 | } |
1975 | ||
1976 | return !(ret == 1); | |
1977 | } | |
1978 | ||
660a2bfb JA |
1979 | /* |
1980 | * Parse a host/ip/port string. Reads from 'str'. | |
1981 | * | |
1982 | * Outputs: | |
1983 | * | |
1984 | * For IPv4: | |
1985 | * *ptr is the host, *port is the port, inp is the destination. | |
1986 | * For IPv6: | |
1987 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1988 | * For local domain sockets: | |
1989 | * *ptr is the filename, *is_sock is 1. | |
1990 | */ | |
bebe6398 | 1991 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1992 | int *port, struct in_addr *inp, |
1993 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1994 | { |
76867621 JA |
1995 | const char *host = str; |
1996 | char *portp; | |
3ec62ec4 | 1997 | int lport = 0; |
76867621 | 1998 | |
bebe6398 JA |
1999 | *ptr = NULL; |
2000 | *is_sock = 0; | |
6d2cf394 | 2001 | *port = fio_net_port; |
811826be | 2002 | *ipv6 = 0; |
bebe6398 JA |
2003 | |
2004 | if (!strncmp(str, "sock:", 5)) { | |
2005 | *ptr = strdup(str + 5); | |
2006 | *is_sock = 1; | |
76867621 JA |
2007 | |
2008 | return 0; | |
2009 | } | |
2010 | ||
2011 | /* | |
2012 | * Is it ip:<ip or host>:port | |
2013 | */ | |
2014 | if (!strncmp(host, "ip:", 3)) | |
2015 | host += 3; | |
2016 | else if (!strncmp(host, "ip4:", 4)) | |
2017 | host += 4; | |
2018 | else if (!strncmp(host, "ip6:", 4)) { | |
2019 | host += 4; | |
2020 | *ipv6 = 1; | |
2021 | } else if (host[0] == ':') { | |
2022 | /* String is :port */ | |
2023 | host++; | |
2024 | lport = atoi(host); | |
2025 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2026 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2027 | return 1; |
2028 | } | |
2029 | /* no hostname given, we are done */ | |
2030 | *port = lport; | |
2031 | return 0; | |
2032 | } | |
2033 | ||
2034 | /* | |
b96b90c3 | 2035 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2036 | */ |
2037 | if (!lport) { | |
2038 | portp = strchr(host, ','); | |
2039 | if (portp) { | |
2040 | *portp = '\0'; | |
2041 | portp++; | |
2042 | lport = atoi(portp); | |
bebe6398 | 2043 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2044 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2045 | return 1; |
2046 | } | |
bebe6398 | 2047 | } |
76867621 | 2048 | } |
bebe6398 | 2049 | |
76867621 JA |
2050 | if (lport) |
2051 | *port = lport; | |
bebe6398 | 2052 | |
76867621 JA |
2053 | if (!strlen(host)) |
2054 | return 0; | |
bebe6398 | 2055 | |
76867621 | 2056 | *ptr = strdup(host); |
811826be | 2057 | |
3aa3ceeb | 2058 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2059 | free(*ptr); |
2060 | *ptr = NULL; | |
2061 | return 1; | |
bebe6398 JA |
2062 | } |
2063 | ||
2064 | if (*port == 0) | |
2065 | *port = fio_net_port; | |
2066 | ||
2067 | return 0; | |
2068 | } | |
2069 | ||
87aa8f19 JA |
2070 | /* |
2071 | * Server arg should be one of: | |
2072 | * | |
2073 | * sock:/path/to/socket | |
2074 | * ip:1.2.3.4 | |
2075 | * 1.2.3.4 | |
2076 | * | |
2077 | * Where sock uses unix domain sockets, and ip binds the server to | |
2078 | * a specific interface. If no arguments are given to the server, it | |
2079 | * uses IP and binds to 0.0.0.0. | |
2080 | * | |
2081 | */ | |
2082 | static int fio_handle_server_arg(void) | |
2083 | { | |
6d2cf394 | 2084 | int port = fio_net_port; |
a7de0a11 | 2085 | int is_sock, ret = 0; |
bebe6398 | 2086 | |
87aa8f19 JA |
2087 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2088 | ||
2089 | if (!fio_server_arg) | |
a7de0a11 | 2090 | goto out; |
87aa8f19 | 2091 | |
4e5b8fb8 | 2092 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2093 | &port, &saddr_in.sin_addr, |
2094 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2095 | |
2096 | if (!is_sock && bind_sock) { | |
2097 | free(bind_sock); | |
2098 | bind_sock = NULL; | |
2099 | } | |
2100 | ||
a7de0a11 | 2101 | out: |
6d2cf394 JA |
2102 | fio_net_port = port; |
2103 | saddr_in.sin_port = htons(port); | |
811826be | 2104 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2105 | return ret; |
87aa8f19 JA |
2106 | } |
2107 | ||
43cdea1d JA |
2108 | static void sig_int(int sig) |
2109 | { | |
2110 | if (bind_sock) | |
2111 | unlink(bind_sock); | |
2112 | } | |
2113 | ||
2114 | static void set_sig_handlers(void) | |
2115 | { | |
2116 | struct sigaction act; | |
2117 | ||
2118 | memset(&act, 0, sizeof(act)); | |
2119 | act.sa_handler = sig_int; | |
2120 | act.sa_flags = SA_RESTART; | |
2121 | sigaction(SIGINT, &act, NULL); | |
2122 | } | |
2123 | ||
87aa8f19 JA |
2124 | static int fio_server(void) |
2125 | { | |
2126 | int sk, ret; | |
2127 | ||
9c003782 JA |
2128 | if (pthread_key_create(&sk_out_key, NULL)) { |
2129 | log_err("fio: can't create sk_out backend key\n"); | |
2130 | return -1; | |
2131 | } | |
2132 | ||
2133 | pthread_setspecific(sk_out_key, NULL); | |
2134 | ||
87aa8f19 JA |
2135 | dprint(FD_NET, "starting server\n"); |
2136 | ||
2137 | if (fio_handle_server_arg()) | |
2138 | return -1; | |
2139 | ||
2140 | sk = fio_init_server_connection(); | |
2141 | if (sk < 0) | |
2142 | return -1; | |
81179eec | 2143 | |
43cdea1d JA |
2144 | set_sig_handlers(); |
2145 | ||
ea1cd038 | 2146 | ret = accept_loop(sk); |
87aa8f19 | 2147 | |
81179eec | 2148 | close(sk); |
87aa8f19 JA |
2149 | |
2150 | if (fio_server_arg) { | |
2151 | free(fio_server_arg); | |
2152 | fio_server_arg = NULL; | |
2153 | } | |
bebe6398 JA |
2154 | if (bind_sock) |
2155 | free(bind_sock); | |
87aa8f19 | 2156 | |
81179eec JA |
2157 | return ret; |
2158 | } | |
2159 | ||
7b821684 | 2160 | void fio_server_got_signal(int signal) |
9abea48b | 2161 | { |
f77d4b73 JA |
2162 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2163 | ||
2164 | assert(sk_out); | |
2165 | ||
7b821684 | 2166 | if (signal == SIGPIPE) |
f77d4b73 | 2167 | sk_out->sk = -1; |
7b821684 JA |
2168 | else { |
2169 | log_info("\nfio: terminating on signal %d\n", signal); | |
2170 | exit_backend = 1; | |
2171 | } | |
9abea48b JA |
2172 | } |
2173 | ||
13755d94 JA |
2174 | static int check_existing_pidfile(const char *pidfile) |
2175 | { | |
2176 | struct stat sb; | |
2177 | char buf[16]; | |
2178 | pid_t pid; | |
2179 | FILE *f; | |
2180 | ||
2181 | if (stat(pidfile, &sb)) | |
2182 | return 0; | |
2183 | ||
2184 | f = fopen(pidfile, "r"); | |
2185 | if (!f) | |
2186 | return 0; | |
2187 | ||
bfc3b179 | 2188 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2189 | fclose(f); |
2190 | return 1; | |
2191 | } | |
2192 | fclose(f); | |
2193 | ||
2194 | pid = atoi(buf); | |
2195 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2196 | return errno != ESRCH; |
13755d94 JA |
2197 | |
2198 | return 1; | |
2199 | } | |
2200 | ||
2201 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2202 | { |
2203 | FILE *fpid; | |
2204 | ||
2205 | fpid = fopen(pidfile, "w"); | |
2206 | if (!fpid) { | |
2207 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2208 | return 1; |
402668f3 JA |
2209 | } |
2210 | ||
2211 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2212 | fclose(fpid); |
2213 | return 0; | |
402668f3 JA |
2214 | } |
2215 | ||
2216 | /* | |
2217 | * If pidfile is specified, background us. | |
2218 | */ | |
2219 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2220 | { |
2221 | pid_t pid; | |
402668f3 | 2222 | int ret; |
e46d8091 | 2223 | |
93bcfd20 | 2224 | #if defined(WIN32) |
905c78b9 | 2225 | WSADATA wsd; |
3c3ed070 | 2226 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2227 | #endif |
2228 | ||
402668f3 | 2229 | if (!pidfile) |
e46d8091 JA |
2230 | return fio_server(); |
2231 | ||
13755d94 JA |
2232 | if (check_existing_pidfile(pidfile)) { |
2233 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2234 | pidfile); | |
b8ba87ac | 2235 | free(pidfile); |
13755d94 JA |
2236 | return -1; |
2237 | } | |
2238 | ||
e46d8091 JA |
2239 | pid = fork(); |
2240 | if (pid < 0) { | |
13755d94 | 2241 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2242 | free(pidfile); |
c28e8e8c | 2243 | return -1; |
402668f3 | 2244 | } else if (pid) { |
8a1db9a1 | 2245 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2246 | free(pidfile); |
44c8268d | 2247 | _exit(ret); |
402668f3 | 2248 | } |
e46d8091 JA |
2249 | |
2250 | setsid(); | |
13755d94 JA |
2251 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2252 | log_syslog = 1; | |
e46d8091 JA |
2253 | close(STDIN_FILENO); |
2254 | close(STDOUT_FILENO); | |
2255 | close(STDERR_FILENO); | |
2256 | f_out = NULL; | |
2257 | f_err = NULL; | |
402668f3 JA |
2258 | |
2259 | ret = fio_server(); | |
2260 | ||
2261 | closelog(); | |
2262 | unlink(pidfile); | |
2263 | free(pidfile); | |
2264 | return ret; | |
e46d8091 | 2265 | } |
87aa8f19 | 2266 | |
bebe6398 | 2267 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2268 | { |
2269 | fio_server_arg = strdup(arg); | |
2270 | } |