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, |
bead01d7 | 40 | SK_F_INLINE = 16, |
f77d4b73 JA |
41 | }; |
42 | ||
43 | struct sk_entry { | |
4d27d429 JA |
44 | struct flist_head list; /* link on sk_out->list */ |
45 | int flags; /* SK_F_* */ | |
46 | int opcode; /* Actual command fields */ | |
f77d4b73 JA |
47 | void *buf; |
48 | off_t size; | |
28c7bcdf | 49 | uint64_t tag; |
4d27d429 | 50 | struct flist_head next; /* Other sk_entry's, if linked command */ |
f77d4b73 JA |
51 | }; |
52 | ||
87aa8f19 JA |
53 | static char *fio_server_arg; |
54 | static char *bind_sock; | |
55 | static struct sockaddr_in saddr_in; | |
811826be | 56 | static struct sockaddr_in6 saddr_in6; |
811826be | 57 | static int use_ipv6; |
3989b143 JA |
58 | #ifdef CONFIG_ZLIB |
59 | static unsigned int has_zlib = 1; | |
60 | #else | |
61 | static unsigned int has_zlib = 0; | |
62 | #endif | |
63 | static unsigned int use_zlib; | |
ca09be4b | 64 | static char me[128]; |
37db14fe | 65 | |
f77d4b73 JA |
66 | static pthread_key_t sk_out_key; |
67 | ||
122c7725 JA |
68 | struct fio_fork_item { |
69 | struct flist_head list; | |
70 | int exitval; | |
71 | int signal; | |
72 | int exited; | |
73 | pid_t pid; | |
74 | }; | |
75 | ||
ca09be4b JA |
76 | struct cmd_reply { |
77 | struct fio_mutex lock; | |
78 | void *data; | |
79 | size_t size; | |
80 | int error; | |
81 | }; | |
82 | ||
89c1707c JA |
83 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
84 | "", | |
85 | "QUIT", | |
86 | "EXIT", | |
87 | "JOB", | |
88 | "JOBLINE", | |
89 | "TEXT", | |
90 | "TS", | |
91 | "GS", | |
92 | "SEND_ETA", | |
93 | "ETA", | |
94 | "PROBE", | |
95 | "START", | |
d09a64a0 JA |
96 | "STOP", |
97 | "DISK_UTIL", | |
b9d2f30a | 98 | "SERVER_START", |
807f9971 | 99 | "ADD_JOB", |
ca09be4b JA |
100 | "RUN", |
101 | "IOLOG", | |
102 | "UPDATE_JOB", | |
103 | "LOAD_FILE", | |
104 | "VTRIGGER", | |
105 | "SENDFILE", | |
9d9937b5 | 106 | "JOB_OPT", |
89c1707c JA |
107 | }; |
108 | ||
f77d4b73 JA |
109 | static void sk_lock(struct sk_out *sk_out) |
110 | { | |
bead01d7 | 111 | fio_mutex_down(&sk_out->lock); |
f77d4b73 JA |
112 | } |
113 | ||
114 | static void sk_unlock(struct sk_out *sk_out) | |
115 | { | |
bead01d7 | 116 | fio_mutex_up(&sk_out->lock); |
f77d4b73 JA |
117 | } |
118 | ||
24660963 JA |
119 | void sk_out_assign(struct sk_out *sk_out) |
120 | { | |
121 | if (!sk_out) | |
122 | return; | |
123 | ||
124 | sk_lock(sk_out); | |
125 | sk_out->refs++; | |
126 | sk_unlock(sk_out); | |
127 | pthread_setspecific(sk_out_key, sk_out); | |
128 | } | |
129 | ||
bce503fc | 130 | static void sk_out_free(struct sk_out *sk_out) |
24660963 | 131 | { |
bead01d7 JA |
132 | __fio_mutex_remove(&sk_out->lock); |
133 | __fio_mutex_remove(&sk_out->wait); | |
134 | __fio_mutex_remove(&sk_out->xmit); | |
24660963 JA |
135 | sfree(sk_out); |
136 | } | |
137 | ||
bce503fc | 138 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 139 | { |
24660963 JA |
140 | if (sk_out) { |
141 | int refs; | |
142 | ||
143 | sk_lock(sk_out); | |
c0d3245a | 144 | assert(sk_out->refs != 0); |
24660963 JA |
145 | refs = --sk_out->refs; |
146 | sk_unlock(sk_out); | |
147 | ||
bce503fc JA |
148 | if (!refs) { |
149 | sk_out_free(sk_out); | |
c0d3245a | 150 | pthread_setspecific(sk_out_key, NULL); |
bce503fc JA |
151 | return 0; |
152 | } | |
153 | } | |
154 | ||
155 | return 1; | |
156 | } | |
157 | ||
158 | void sk_out_drop(void) | |
159 | { | |
160 | struct sk_out *sk_out; | |
24660963 | 161 | |
bce503fc | 162 | sk_out = pthread_getspecific(sk_out_key); |
c0d3245a | 163 | __sk_out_drop(sk_out); |
24660963 JA |
164 | } |
165 | ||
9d2c74d7 JA |
166 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
167 | uint32_t pdu_len, uint64_t tag) | |
168 | { | |
169 | memset(cmd, 0, sizeof(*cmd)); | |
170 | ||
171 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
172 | cmd->opcode = cpu_to_le16(opcode); | |
173 | cmd->tag = cpu_to_le64(tag); | |
174 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
175 | } | |
176 | ||
177 | ||
178 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
179 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
180 | { | |
181 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
182 | ||
183 | if (pdu) | |
184 | memcpy(&cmd->payload, pdu, pdu_len); | |
185 | } | |
186 | ||
89c1707c JA |
187 | const char *fio_server_op(unsigned int op) |
188 | { | |
189 | static char buf[32]; | |
190 | ||
191 | if (op < FIO_NET_CMD_NR) | |
192 | return fio_server_ops[op]; | |
193 | ||
194 | sprintf(buf, "UNKNOWN/%d", op); | |
195 | return buf; | |
196 | } | |
197 | ||
5235f626 | 198 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 199 | { |
5235f626 | 200 | ssize_t ret = 0; |
794d69ca | 201 | |
5235f626 JA |
202 | while (count--) { |
203 | ret += iov->iov_len; | |
204 | iov++; | |
205 | } | |
206 | ||
207 | return ret; | |
208 | } | |
132159a5 | 209 | |
5235f626 JA |
210 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
211 | { | |
212 | ssize_t total_len = iov_total_len(iov, count); | |
213 | ssize_t ret; | |
214 | ||
215 | do { | |
216 | ret = writev(sk, iov, count); | |
132159a5 | 217 | if (ret > 0) { |
5235f626 JA |
218 | total_len -= ret; |
219 | if (!total_len) | |
132159a5 | 220 | break; |
5235f626 JA |
221 | |
222 | while (ret) { | |
223 | if (ret >= iov->iov_len) { | |
224 | ret -= iov->iov_len; | |
225 | iov++; | |
226 | continue; | |
227 | } | |
228 | iov->iov_base += ret; | |
229 | iov->iov_len -= ret; | |
230 | ret = 0; | |
231 | } | |
132159a5 JA |
232 | } else if (!ret) |
233 | break; | |
234 | else if (errno == EAGAIN || errno == EINTR) | |
235 | continue; | |
7b821684 JA |
236 | else |
237 | break; | |
132159a5 JA |
238 | } while (!exit_backend); |
239 | ||
5235f626 | 240 | if (!total_len) |
132159a5 JA |
241 | return 0; |
242 | ||
243 | return 1; | |
244 | } | |
245 | ||
9d2c74d7 | 246 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
247 | { |
248 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
249 | ||
250 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
251 | ||
252 | return fio_sendv_data(sk, &iov, 1); | |
253 | } | |
254 | ||
0f836f39 | 255 | static int fio_recv_data(int sk, void *buf, unsigned int len, bool wait) |
132159a5 | 256 | { |
54e62ad4 | 257 | int flags; |
0f836f39 | 258 | char *p = buf; |
54e62ad4 JA |
259 | |
260 | if (wait) | |
261 | flags = MSG_WAITALL; | |
262 | else | |
bf67f422 | 263 | flags = OS_MSG_DONTWAIT; |
54e62ad4 | 264 | |
132159a5 | 265 | do { |
54e62ad4 | 266 | int ret = recv(sk, p, len, flags); |
132159a5 JA |
267 | |
268 | if (ret > 0) { | |
269 | len -= ret; | |
270 | if (!len) | |
271 | break; | |
272 | p += ret; | |
273 | continue; | |
274 | } else if (!ret) | |
275 | break; | |
54e62ad4 JA |
276 | else if (errno == EAGAIN || errno == EINTR) { |
277 | if (wait) | |
278 | continue; | |
279 | break; | |
280 | } else | |
7b821684 | 281 | break; |
132159a5 JA |
282 | } while (!exit_backend); |
283 | ||
284 | if (!len) | |
285 | return 0; | |
286 | ||
287 | return -1; | |
288 | } | |
289 | ||
290 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
291 | { | |
fcee5ff6 | 292 | uint16_t crc; |
132159a5 | 293 | |
fcee5ff6 JA |
294 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
295 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 296 | |
25dfa848 | 297 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 298 | if (crc != cmd->cmd_crc16) { |
132159a5 | 299 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 300 | cmd->cmd_crc16, crc); |
132159a5 JA |
301 | return 1; |
302 | } | |
303 | ||
304 | cmd->version = le16_to_cpu(cmd->version); | |
305 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
306 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 307 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
308 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
309 | ||
310 | switch (cmd->version) { | |
fa2ea806 | 311 | case FIO_SERVER_VER: |
132159a5 JA |
312 | break; |
313 | default: | |
314 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
315 | return 1; | |
316 | } | |
317 | ||
7c922795 JA |
318 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
319 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
320 | return 1; | |
321 | } | |
322 | ||
132159a5 JA |
323 | return 0; |
324 | } | |
325 | ||
a64e88da JA |
326 | /* |
327 | * Read (and defragment, if necessary) incoming commands | |
328 | */ | |
54e62ad4 | 329 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 330 | { |
dfbf1f6f | 331 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 332 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 333 | uint16_t crc; |
a64e88da JA |
334 | int ret, first = 1; |
335 | void *pdu = NULL; | |
132159a5 | 336 | |
a64e88da | 337 | do { |
54e62ad4 | 338 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
339 | if (ret) |
340 | break; | |
132159a5 | 341 | |
a64e88da JA |
342 | /* We have a command, verify it and swap if need be */ |
343 | ret = verify_convert_cmd(&cmd); | |
344 | if (ret) | |
345 | break; | |
132159a5 | 346 | |
0b8f30a5 JA |
347 | if (first) { |
348 | /* if this is text, add room for \0 at the end */ | |
349 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
350 | assert(!cmdret); | |
351 | } else | |
a64e88da | 352 | cmd_size += cmd.pdu_len; |
132159a5 | 353 | |
dfbf1f6f JA |
354 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
355 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
356 | ret = 1; | |
357 | break; | |
358 | } | |
359 | ||
360 | tmp = realloc(cmdret, cmd_size); | |
361 | if (!tmp) { | |
362 | log_err("fio: server failed allocating cmd\n"); | |
363 | ret = 1; | |
364 | break; | |
365 | } | |
366 | cmdret = tmp; | |
132159a5 | 367 | |
a64e88da JA |
368 | if (first) |
369 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
370 | else if (cmdret->opcode != cmd.opcode) { |
371 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
372 | cmdret->opcode, cmd.opcode); | |
373 | ret = 1; | |
374 | break; | |
375 | } | |
a64e88da JA |
376 | |
377 | if (!cmd.pdu_len) | |
378 | break; | |
379 | ||
380 | /* There's payload, get it */ | |
0f836f39 | 381 | pdu = (char *) cmdret->payload + pdu_offset; |
54e62ad4 | 382 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
383 | if (ret) |
384 | break; | |
385 | ||
386 | /* Verify payload crc */ | |
25dfa848 | 387 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
388 | if (crc != cmd.pdu_crc16) { |
389 | log_err("fio: server bad crc on payload "); | |
390 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
391 | ret = 1; | |
392 | break; | |
393 | } | |
394 | ||
395 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
396 | if (!first) |
397 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
398 | first = 0; |
399 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 400 | |
a64e88da JA |
401 | if (ret) { |
402 | free(cmdret); | |
403 | cmdret = NULL; | |
0b8f30a5 JA |
404 | } else if (cmdret) { |
405 | /* zero-terminate text input */ | |
084d1c6f JA |
406 | if (cmdret->pdu_len) { |
407 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
408 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
409 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 410 | |
8a1db9a1 | 411 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 412 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
413 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
414 | char *buf = (char *) __pdu->buf; | |
415 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 416 | |
46bcd498 | 417 | buf[len] = '\0'; |
084d1c6f | 418 | } |
0b8f30a5 | 419 | } |
084d1c6f | 420 | |
0b8f30a5 | 421 | /* frag flag is internal */ |
a64e88da | 422 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 423 | } |
a64e88da JA |
424 | |
425 | return cmdret; | |
132159a5 JA |
426 | } |
427 | ||
40c60516 JA |
428 | static void add_reply(uint64_t tag, struct flist_head *list) |
429 | { | |
a572bbfb | 430 | struct fio_net_cmd_reply *reply; |
40c60516 | 431 | |
a572bbfb | 432 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
433 | flist_add_tail(&reply->list, list); |
434 | } | |
435 | ||
436 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
437 | { | |
438 | struct fio_net_cmd_reply *reply; | |
439 | ||
440 | reply = calloc(1, sizeof(*reply)); | |
441 | INIT_FLIST_HEAD(&reply->list); | |
8b6a404c | 442 | fio_gettime(&reply->ts, NULL); |
40c60516 JA |
443 | reply->saved_tag = tag; |
444 | reply->opcode = opcode; | |
445 | ||
446 | return (uintptr_t) reply; | |
447 | } | |
448 | ||
449 | static void free_reply(uint64_t tag) | |
450 | { | |
a572bbfb | 451 | struct fio_net_cmd_reply *reply; |
40c60516 | 452 | |
a572bbfb | 453 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
454 | free(reply); |
455 | } | |
456 | ||
9d2c74d7 | 457 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
458 | { |
459 | uint32_t pdu_len; | |
460 | ||
25dfa848 | 461 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
462 | |
463 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
464 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
465 | } | |
466 | ||
9d2c74d7 | 467 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
468 | { |
469 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
470 | } |
471 | ||
af9c9fb3 | 472 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 473 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 474 | { |
7f868316 JA |
475 | struct fio_net_cmd *cmd = NULL; |
476 | size_t this_len, cur_len = 0; | |
40c60516 | 477 | uint64_t tag; |
794d69ca JA |
478 | int ret; |
479 | ||
40c60516 JA |
480 | if (list) { |
481 | assert(tagptr); | |
482 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
483 | } else | |
484 | tag = tagptr ? *tagptr : 0; | |
485 | ||
794d69ca JA |
486 | do { |
487 | this_len = size; | |
b9d2f30a JA |
488 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
489 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 490 | |
7f868316 JA |
491 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
492 | if (cmd) | |
493 | free(cmd); | |
494 | ||
495 | cur_len = sizeof(*cmd) + this_len; | |
496 | cmd = malloc(cur_len); | |
497 | } | |
794d69ca | 498 | |
af9c9fb3 | 499 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
500 | |
501 | if (this_len < size) | |
ddcc0b69 | 502 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
503 | |
504 | fio_net_cmd_crc(cmd); | |
505 | ||
506 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
507 | size -= this_len; |
508 | buf += this_len; | |
509 | } while (!ret && size); | |
510 | ||
40c60516 JA |
511 | if (list) { |
512 | if (ret) | |
513 | free_reply(tag); | |
514 | else | |
515 | add_reply(tag, list); | |
516 | } | |
517 | ||
7f868316 JA |
518 | if (cmd) |
519 | free(cmd); | |
520 | ||
794d69ca JA |
521 | return ret; |
522 | } | |
523 | ||
0cba0f91 JA |
524 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
525 | size_t size, uint64_t *tagptr, | |
526 | int flags) | |
f77d4b73 | 527 | { |
f77d4b73 JA |
528 | struct sk_entry *entry; |
529 | ||
530 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 531 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
532 | entry->opcode = opcode; |
533 | if (flags & SK_F_COPY) { | |
534 | entry->buf = smalloc(size); | |
535 | memcpy(entry->buf, buf, size); | |
536 | } else | |
537 | entry->buf = buf; | |
bead01d7 | 538 | |
f77d4b73 | 539 | entry->size = size; |
28c7bcdf JA |
540 | if (tagptr) |
541 | entry->tag = *tagptr; | |
542 | else | |
543 | entry->tag = 0; | |
f77d4b73 | 544 | entry->flags = flags; |
02594e37 JA |
545 | return entry; |
546 | } | |
547 | ||
bead01d7 JA |
548 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
549 | ||
02594e37 JA |
550 | static void fio_net_queue_entry(struct sk_entry *entry) |
551 | { | |
552 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
553 | ||
bead01d7 JA |
554 | if (entry->flags & SK_F_INLINE) |
555 | handle_sk_entry(sk_out, entry); | |
556 | else { | |
557 | sk_lock(sk_out); | |
558 | flist_add_tail(&entry->list, &sk_out->list); | |
559 | sk_unlock(sk_out); | |
f77d4b73 | 560 | |
bead01d7 JA |
561 | fio_mutex_up(&sk_out->wait); |
562 | } | |
02594e37 | 563 | } |
f77d4b73 | 564 | |
02594e37 JA |
565 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
566 | uint64_t *tagptr, int flags) | |
567 | { | |
568 | struct sk_entry *entry; | |
569 | ||
570 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
81b3c86f JA |
571 | if (entry) { |
572 | fio_net_queue_entry(entry); | |
573 | return 0; | |
574 | } | |
575 | ||
576 | return 1; | |
f77d4b73 JA |
577 | } |
578 | ||
89c1707c | 579 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 580 | { |
178cde9f | 581 | struct fio_net_cmd cmd; |
132159a5 | 582 | |
af9c9fb3 | 583 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
584 | fio_net_cmd_crc(&cmd); |
585 | ||
586 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
587 | } | |
588 | ||
89c1707c JA |
589 | /* |
590 | * If 'list' is non-NULL, then allocate and store the sent command for | |
591 | * later verification. | |
592 | */ | |
593 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
594 | struct flist_head *list) | |
595 | { | |
89c1707c JA |
596 | int ret; |
597 | ||
40c60516 JA |
598 | if (list) |
599 | tag = alloc_reply(tag, opcode); | |
89c1707c | 600 | |
40c60516 | 601 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 602 | if (ret) { |
40c60516 JA |
603 | if (list) |
604 | free_reply(tag); | |
605 | ||
89c1707c JA |
606 | return ret; |
607 | } | |
608 | ||
40c60516 JA |
609 | if (list) |
610 | add_reply(tag, list); | |
611 | ||
89c1707c JA |
612 | return 0; |
613 | } | |
614 | ||
f77d4b73 JA |
615 | static int fio_net_queue_quit(void) |
616 | { | |
617 | dprint(FD_NET, "server: sending quit\n"); | |
618 | ||
a89ba4b1 | 619 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
620 | } |
621 | ||
122c7725 | 622 | int fio_net_send_quit(int sk) |
437377e1 | 623 | { |
46c48f1f | 624 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 625 | |
8c95307b | 626 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
627 | } |
628 | ||
f77d4b73 | 629 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 630 | { |
11e950bd | 631 | struct cmd_end_pdu epdu; |
f58bd2a4 | 632 | uint64_t tag = 0; |
122c7725 | 633 | |
f58bd2a4 JA |
634 | if (cmd) |
635 | tag = cmd->tag; | |
122c7725 JA |
636 | |
637 | epdu.error = __cpu_to_le32(error); | |
638 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 639 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
640 | } |
641 | ||
f77d4b73 | 642 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
643 | { |
644 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 645 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
646 | } |
647 | ||
648 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
649 | { | |
650 | struct fio_fork_item *ffi; | |
651 | ||
652 | ffi = malloc(sizeof(*ffi)); | |
653 | ffi->exitval = 0; | |
654 | ffi->signal = 0; | |
655 | ffi->exited = 0; | |
656 | ffi->pid = pid; | |
657 | flist_add_tail(&ffi->list, list); | |
658 | } | |
659 | ||
6348b5de | 660 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 661 | { |
a7533dbd | 662 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 663 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
664 | } |
665 | ||
6348b5de | 666 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 667 | { |
a7533dbd | 668 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 669 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
670 | } |
671 | ||
672 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
673 | { | |
674 | int ret, status; | |
675 | ||
676 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
677 | if (ret < 0) { | |
678 | if (errno == ECHILD) { | |
a7533dbd | 679 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
680 | ffi->exited = 1; |
681 | } else | |
682 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
683 | } else if (ret == ffi->pid) { | |
684 | if (WIFSIGNALED(status)) { | |
685 | ffi->signal = WTERMSIG(status); | |
686 | ffi->exited = 1; | |
687 | } | |
688 | if (WIFEXITED(status)) { | |
689 | if (WEXITSTATUS(status)) | |
690 | ffi->exitval = WEXITSTATUS(status); | |
691 | ffi->exited = 1; | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
f77d4b73 | 696 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 697 | { |
a7533dbd | 698 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
699 | |
700 | /* | |
701 | * Fold STOP and QUIT... | |
702 | */ | |
f77d4b73 JA |
703 | if (stop) { |
704 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
705 | fio_net_queue_quit(); | |
706 | } | |
707 | ||
122c7725 JA |
708 | flist_del(&ffi->list); |
709 | free(ffi); | |
710 | } | |
711 | ||
f77d4b73 | 712 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
713 | { |
714 | struct flist_head *entry, *tmp; | |
715 | struct fio_fork_item *ffi; | |
716 | ||
717 | flist_for_each_safe(entry, tmp, list) { | |
718 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
719 | ||
720 | fio_server_check_fork_item(ffi); | |
721 | ||
722 | if (ffi->exited) | |
f77d4b73 | 723 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
724 | } |
725 | } | |
726 | ||
6348b5de | 727 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 728 | { |
f77d4b73 | 729 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
730 | } |
731 | ||
6348b5de | 732 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 733 | { |
f77d4b73 | 734 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
735 | } |
736 | ||
323255cc JA |
737 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
738 | { | |
739 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
740 | void *file_name = pdu->file; | |
741 | struct cmd_start_pdu spdu; | |
742 | ||
743 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
744 | ||
745 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
746 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
747 | ||
748 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 749 | fio_net_queue_quit(); |
323255cc JA |
750 | return -1; |
751 | } | |
752 | ||
753 | spdu.jobs = cpu_to_le32(thread_number); | |
754 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 755 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
756 | return 0; |
757 | } | |
758 | ||
f77d4b73 JA |
759 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
760 | struct fio_net_cmd *cmd) | |
122c7725 JA |
761 | { |
762 | pid_t pid; | |
a64e88da | 763 | int ret; |
132159a5 | 764 | |
c0d3245a JA |
765 | sk_out_assign(sk_out); |
766 | ||
cbb1303c | 767 | fio_time_init(); |
122c7725 | 768 | set_genesis_time(); |
11e950bd | 769 | |
122c7725 JA |
770 | pid = fork(); |
771 | if (pid) { | |
6348b5de | 772 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
773 | return 0; |
774 | } | |
11e950bd | 775 | |
24660963 | 776 | ret = fio_backend(sk_out); |
2bb3f0a7 | 777 | free_threads_shm(); |
c0d3245a | 778 | sk_out_drop(); |
122c7725 | 779 | _exit(ret); |
81179eec JA |
780 | } |
781 | ||
b9d2f30a JA |
782 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
783 | { | |
46bcd498 JA |
784 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
785 | void *buf = pdu->buf; | |
b9d2f30a JA |
786 | struct cmd_start_pdu spdu; |
787 | ||
46bcd498 JA |
788 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
789 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
790 | ||
791 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 792 | fio_net_queue_quit(); |
b9d2f30a JA |
793 | return -1; |
794 | } | |
795 | ||
796 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 797 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
798 | |
799 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
800 | return 0; |
801 | } | |
802 | ||
81179eec JA |
803 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
804 | { | |
fa2ea806 JA |
805 | void *pdu = cmd->payload; |
806 | struct cmd_single_line_pdu *cslp; | |
807 | struct cmd_line_pdu *clp; | |
808 | unsigned long offset; | |
b9d2f30a | 809 | struct cmd_start_pdu spdu; |
fa2ea806 | 810 | char **argv; |
b9d2f30a | 811 | int i; |
81179eec | 812 | |
fa2ea806 JA |
813 | clp = pdu; |
814 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 815 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
816 | argv = malloc(clp->lines * sizeof(char *)); |
817 | offset = sizeof(*clp); | |
81179eec | 818 | |
fa2ea806 | 819 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 820 | |
fa2ea806 JA |
821 | for (i = 0; i < clp->lines; i++) { |
822 | cslp = pdu + offset; | |
823 | argv[i] = (char *) cslp->text; | |
824 | ||
825 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
826 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
827 | } | |
81179eec | 828 | |
46bcd498 | 829 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 830 | fio_net_queue_quit(); |
fa2ea806 | 831 | free(argv); |
81179eec | 832 | return -1; |
e6d1c668 | 833 | } |
81179eec | 834 | |
fa2ea806 JA |
835 | free(argv); |
836 | ||
b9d2f30a | 837 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 838 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
839 | |
840 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 841 | return 0; |
132159a5 JA |
842 | } |
843 | ||
c28e8e8c JA |
844 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
845 | { | |
3989b143 JA |
846 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
847 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 848 | uint64_t tag = cmd->tag; |
c28e8e8c | 849 | |
89c1707c JA |
850 | dprint(FD_NET, "server: sending probe reply\n"); |
851 | ||
ca09be4b JA |
852 | strcpy(me, (char *) pdu->server); |
853 | ||
c28e8e8c JA |
854 | memset(&probe, 0, sizeof(probe)); |
855 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 856 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
857 | probe.bigendian = 1; |
858 | #endif | |
13a85be9 | 859 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version) - 1); |
c28e8e8c | 860 | |
cca84643 JA |
861 | probe.os = FIO_OS; |
862 | probe.arch = FIO_ARCH; | |
38fdef22 | 863 | probe.bpp = sizeof(void *); |
d31e26d0 | 864 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
865 | |
866 | /* | |
867 | * If the client supports compression and we do too, then enable it | |
868 | */ | |
869 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
870 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
871 | use_zlib = 1; | |
872 | } else { | |
873 | probe.flags = 0; | |
874 | use_zlib = 0; | |
875 | } | |
38fdef22 | 876 | |
f77d4b73 | 877 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
878 | } |
879 | ||
880 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
881 | { | |
882 | struct jobs_eta *je; | |
40c60516 | 883 | uint64_t tag = cmd->tag; |
723297c9 | 884 | size_t size; |
af9c9fb3 JA |
885 | int i; |
886 | ||
e123c833 JA |
887 | dprint(FD_NET, "server sending status\n"); |
888 | ||
889 | /* | |
890 | * Fake ETA return if we don't have a local one, otherwise the client | |
891 | * will end up timing out waiting for a response to the ETA request | |
892 | */ | |
c5103619 | 893 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
894 | if (!je) { |
895 | size = sizeof(*je); | |
896 | je = calloc(1, size); | |
897 | } else { | |
e123c833 JA |
898 | je->nr_running = cpu_to_le32(je->nr_running); |
899 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
900 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
901 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
902 | je->files_open = cpu_to_le32(je->files_open); | |
903 | ||
904 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
90eff1c9 SW |
905 | je->m_rate[i] = cpu_to_le64(je->m_rate[i]); |
906 | je->t_rate[i] = cpu_to_le64(je->t_rate[i]); | |
e123c833 JA |
907 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); |
908 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
90eff1c9 | 909 | je->rate[i] = cpu_to_le64(je->rate[i]); |
e123c833 JA |
910 | je->iops[i] = cpu_to_le32(je->iops[i]); |
911 | } | |
af9c9fb3 | 912 | |
e123c833 JA |
913 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
914 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
915 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
916 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
917 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
918 | } |
919 | ||
f77d4b73 | 920 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 921 | return 0; |
c28e8e8c JA |
922 | } |
923 | ||
f77d4b73 | 924 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
925 | { |
926 | uint64_t tag = __tag; | |
927 | uint32_t pdu_error; | |
928 | ||
929 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 930 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
931 | } |
932 | ||
f58bd2a4 JA |
933 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
934 | { | |
935 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
936 | struct thread_data *td; | |
937 | uint32_t tnumber; | |
938 | ||
939 | tnumber = le32_to_cpu(pdu->thread_number); | |
940 | ||
941 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
942 | ||
30ffacbf | 943 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 944 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
945 | return 0; |
946 | } | |
947 | ||
30ffacbf | 948 | td = &threads[tnumber - 1]; |
f58bd2a4 | 949 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 950 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
951 | return 0; |
952 | } | |
953 | ||
ca09be4b JA |
954 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
955 | { | |
956 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
957 | char *buf = (char *) pdu->cmd; | |
958 | struct all_io_list *rep; | |
959 | size_t sz; | |
960 | ||
961 | pdu->len = le16_to_cpu(pdu->len); | |
962 | buf[pdu->len] = '\0'; | |
963 | ||
964 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
965 | if (!rep) { | |
966 | struct all_io_list state; | |
967 | ||
968 | state.threads = cpu_to_le64((uint64_t) 0); | |
a89c77ab | 969 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE); |
f77d4b73 | 970 | } else |
a89c77ab | 971 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE); |
ca09be4b | 972 | |
98413be7 | 973 | fio_terminate_threads(TERMINATE_ALL); |
ca09be4b JA |
974 | exec_trigger(buf); |
975 | return 0; | |
976 | } | |
977 | ||
f77d4b73 JA |
978 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
979 | struct fio_net_cmd *cmd) | |
132159a5 JA |
980 | { |
981 | int ret; | |
982 | ||
4b91ee8f JA |
983 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
984 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
985 | (unsigned long long) cmd->tag); | |
46c48f1f | 986 | |
132159a5 JA |
987 | switch (cmd->opcode) { |
988 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 989 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
990 | ret = 0; |
991 | break; | |
d7959186 | 992 | case FIO_NET_CMD_EXIT: |
132159a5 | 993 | exit_backend = 1; |
c28e8e8c | 994 | return -1; |
323255cc JA |
995 | case FIO_NET_CMD_LOAD_FILE: |
996 | ret = handle_load_file_cmd(cmd); | |
997 | break; | |
132159a5 | 998 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 999 | ret = handle_job_cmd(cmd); |
132159a5 | 1000 | break; |
81179eec JA |
1001 | case FIO_NET_CMD_JOBLINE: |
1002 | ret = handle_jobline_cmd(cmd); | |
1003 | break; | |
c28e8e8c JA |
1004 | case FIO_NET_CMD_PROBE: |
1005 | ret = handle_probe_cmd(cmd); | |
1006 | break; | |
af9c9fb3 JA |
1007 | case FIO_NET_CMD_SEND_ETA: |
1008 | ret = handle_send_eta_cmd(cmd); | |
1009 | break; | |
b9d2f30a | 1010 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1011 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1012 | break; |
f58bd2a4 JA |
1013 | case FIO_NET_CMD_UPDATE_JOB: |
1014 | ret = handle_update_job_cmd(cmd); | |
1015 | break; | |
ca09be4b JA |
1016 | case FIO_NET_CMD_VTRIGGER: |
1017 | ret = handle_trigger_cmd(cmd); | |
1018 | break; | |
1019 | case FIO_NET_CMD_SENDFILE: { | |
1020 | struct cmd_sendfile_reply *in; | |
1021 | struct cmd_reply *rep; | |
1022 | ||
1023 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1024 | ||
1025 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1026 | in->size = le32_to_cpu(in->size); | |
1027 | in->error = le32_to_cpu(in->error); | |
1028 | if (in->error) { | |
1029 | ret = 1; | |
1030 | rep->error = in->error; | |
1031 | } else { | |
1032 | ret = 0; | |
1033 | rep->data = smalloc(in->size); | |
1034 | if (!rep->data) { | |
1035 | ret = 1; | |
1036 | rep->error = ENOMEM; | |
1037 | } else { | |
1038 | rep->size = in->size; | |
1039 | memcpy(rep->data, in->data, in->size); | |
1040 | } | |
1041 | } | |
1042 | fio_mutex_up(&rep->lock); | |
1043 | break; | |
1044 | } | |
132159a5 | 1045 | default: |
3c3ed070 | 1046 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1047 | ret = 1; |
1048 | } | |
1049 | ||
1050 | return ret; | |
1051 | } | |
1052 | ||
02594e37 JA |
1053 | /* |
1054 | * Send a command with a separate PDU, not inlined in the command | |
1055 | */ | |
1056 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1057 | off_t size, uint64_t tag, uint32_t flags) | |
1058 | { | |
1059 | struct fio_net_cmd cmd; | |
1060 | struct iovec iov[2]; | |
7c922795 JA |
1061 | size_t this_len; |
1062 | int ret; | |
02594e37 JA |
1063 | |
1064 | iov[0].iov_base = (void *) &cmd; | |
1065 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1066 | |
7c922795 JA |
1067 | do { |
1068 | uint32_t this_flags = flags; | |
1069 | ||
1070 | this_len = size; | |
1071 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1072 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1073 | ||
1074 | if (this_len < size) | |
1075 | this_flags |= FIO_NET_CMD_F_MORE; | |
1076 | ||
1077 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1078 | cmd.flags = __cpu_to_le32(this_flags); | |
1079 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1080 | |
7c922795 JA |
1081 | iov[1].iov_base = (void *) buf; |
1082 | iov[1].iov_len = this_len; | |
1083 | ||
1084 | ret = fio_sendv_data(sk, iov, 2); | |
1085 | size -= this_len; | |
1086 | buf += this_len; | |
1087 | } while (!ret && size); | |
1088 | ||
1089 | return ret; | |
02594e37 JA |
1090 | } |
1091 | ||
1092 | static void finish_entry(struct sk_entry *entry) | |
1093 | { | |
1094 | if (entry->flags & SK_F_FREE) | |
1095 | free(entry->buf); | |
1096 | else if (entry->flags & SK_F_COPY) | |
1097 | sfree(entry->buf); | |
1098 | ||
1099 | sfree(entry); | |
1100 | } | |
1101 | ||
ba1891d2 JA |
1102 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1103 | unsigned int *flags) | |
02594e37 | 1104 | { |
b3882320 JA |
1105 | if (!flist_empty(list)) |
1106 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1107 | else |
b3882320 | 1108 | *flags = 0; |
b3882320 | 1109 | } |
02594e37 | 1110 | |
b3882320 JA |
1111 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1112 | { | |
1113 | unsigned int flags; | |
b3882320 JA |
1114 | int ret; |
1115 | ||
ba1891d2 | 1116 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1117 | |
ba1891d2 JA |
1118 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1119 | first->size, first->tag, flags); | |
02594e37 JA |
1120 | |
1121 | while (!flist_empty(&first->next)) { | |
1122 | struct sk_entry *next; | |
1123 | ||
1124 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1125 | flist_del_init(&next->list); | |
02594e37 | 1126 | |
ba1891d2 | 1127 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1128 | |
ba1891d2 JA |
1129 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1130 | next->size, next->tag, flags); | |
02594e37 JA |
1131 | finish_entry(next); |
1132 | } | |
b3882320 JA |
1133 | |
1134 | return ret; | |
02594e37 JA |
1135 | } |
1136 | ||
b3882320 | 1137 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1138 | { |
b3882320 JA |
1139 | int ret; |
1140 | ||
bead01d7 JA |
1141 | fio_mutex_down(&sk_out->xmit); |
1142 | ||
02594e37 | 1143 | if (entry->flags & SK_F_VEC) |
b3882320 | 1144 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1145 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1146 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1147 | entry->tag, NULL); | |
dfc8e76c JA |
1148 | } else { |
1149 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1150 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1151 | } |
b3882320 | 1152 | |
bead01d7 JA |
1153 | fio_mutex_up(&sk_out->xmit); |
1154 | ||
b3882320 JA |
1155 | if (ret) |
1156 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1157 | |
02594e37 | 1158 | finish_entry(entry); |
b3882320 | 1159 | return ret; |
f77d4b73 JA |
1160 | } |
1161 | ||
b3882320 | 1162 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1163 | { |
1164 | struct sk_entry *entry; | |
1165 | FLIST_HEAD(list); | |
b3882320 | 1166 | int ret = 0; |
f77d4b73 JA |
1167 | |
1168 | sk_lock(sk_out); | |
1169 | if (flist_empty(&sk_out->list)) { | |
1170 | sk_unlock(sk_out); | |
b3882320 | 1171 | return 0; |
f77d4b73 JA |
1172 | } |
1173 | ||
1174 | flist_splice_init(&sk_out->list, &list); | |
1175 | sk_unlock(sk_out); | |
1176 | ||
1177 | while (!flist_empty(&list)) { | |
1178 | entry = flist_entry(list.next, struct sk_entry, list); | |
1179 | flist_del(&entry->list); | |
b3882320 | 1180 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1181 | } |
b3882320 JA |
1182 | |
1183 | return ret; | |
f77d4b73 JA |
1184 | } |
1185 | ||
1186 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1187 | { |
1188 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1189 | FLIST_HEAD(job_list); |
132159a5 JA |
1190 | int ret = 0; |
1191 | ||
122c7725 | 1192 | reset_fio_state(); |
122c7725 | 1193 | |
132159a5 JA |
1194 | /* read forever */ |
1195 | while (!exit_backend) { | |
e951bdc4 | 1196 | struct pollfd pfd = { |
f77d4b73 | 1197 | .fd = sk_out->sk, |
e951bdc4 JA |
1198 | .events = POLLIN, |
1199 | }; | |
1200 | ||
1201 | ret = 0; | |
1202 | do { | |
54163255 JA |
1203 | int timeout = 1000; |
1204 | ||
1205 | if (!flist_empty(&job_list)) | |
1206 | timeout = 100; | |
3c3ed070 | 1207 | |
f77d4b73 JA |
1208 | handle_xmits(sk_out); |
1209 | ||
1210 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1211 | if (ret < 0) { |
1212 | if (errno == EINTR) | |
1213 | break; | |
1214 | log_err("fio: poll: %s\n", strerror(errno)); | |
1215 | break; | |
19c65179 | 1216 | } else if (!ret) { |
6348b5de | 1217 | fio_server_check_jobs(&job_list); |
bead01d7 | 1218 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1219 | continue; |
19c65179 | 1220 | } |
e951bdc4 JA |
1221 | |
1222 | if (pfd.revents & POLLIN) | |
1223 | break; | |
1224 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1225 | ret = 1; | |
1226 | break; | |
1227 | } | |
19c65179 | 1228 | } while (!exit_backend); |
e951bdc4 | 1229 | |
6348b5de | 1230 | fio_server_check_jobs(&job_list); |
122c7725 | 1231 | |
e951bdc4 JA |
1232 | if (ret < 0) |
1233 | break; | |
1234 | ||
54e62ad4 | 1235 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1236 | if (!cmd) { |
c28e8e8c | 1237 | ret = -1; |
132159a5 JA |
1238 | break; |
1239 | } | |
1240 | ||
f77d4b73 | 1241 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1242 | if (ret) |
1243 | break; | |
1244 | ||
1245 | free(cmd); | |
c77a99e7 | 1246 | cmd = NULL; |
132159a5 JA |
1247 | } |
1248 | ||
1249 | if (cmd) | |
1250 | free(cmd); | |
1251 | ||
f77d4b73 JA |
1252 | handle_xmits(sk_out); |
1253 | ||
1254 | close(sk_out->sk); | |
0ae6acea | 1255 | sk_out->sk = -1; |
bce503fc | 1256 | __sk_out_drop(sk_out); |
122c7725 | 1257 | _exit(ret); |
cc0df00a JA |
1258 | } |
1259 | ||
296ab20a BE |
1260 | /* get the address on this host bound by the input socket, |
1261 | * whether it is ipv6 or ipv4 */ | |
1262 | ||
9d2c74d7 | 1263 | static int get_my_addr_str(int sk) |
296ab20a | 1264 | { |
f77d4b73 JA |
1265 | struct sockaddr_in6 myaddr6 = { 0, }; |
1266 | struct sockaddr_in myaddr4 = { 0, }; | |
1267 | struct sockaddr *sockaddr_p; | |
1268 | char *net_addr; | |
1269 | socklen_t len; | |
1270 | int ret; | |
296ab20a | 1271 | |
f77d4b73 JA |
1272 | if (use_ipv6) { |
1273 | len = sizeof(myaddr6); | |
296ab20a | 1274 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1275 | net_addr = (char * )&myaddr6.sin6_addr; |
1276 | } else { | |
1277 | len = sizeof(myaddr4); | |
296ab20a | 1278 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1279 | net_addr = (char * )&myaddr4.sin_addr; |
1280 | } | |
1281 | ||
296ab20a BE |
1282 | ret = getsockname(sk, sockaddr_p, &len); |
1283 | if (ret) { | |
9af5a245 | 1284 | log_err("fio: getsockname: %s\n", strerror(errno)); |
296ab20a BE |
1285 | return -1; |
1286 | } | |
f77d4b73 JA |
1287 | |
1288 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1289 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1290 | return -1; |
1291 | } | |
f77d4b73 | 1292 | |
296ab20a BE |
1293 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1294 | return 0; | |
1295 | } | |
1296 | ||
ea1cd038 | 1297 | static int accept_loop(int listen_sk) |
50d16976 | 1298 | { |
bb447a27 | 1299 | struct sockaddr_in addr; |
479471c4 JA |
1300 | struct sockaddr_in6 addr6; |
1301 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1302 | struct pollfd pfd; |
4a851614 | 1303 | int ret = 0, sk, exitval = 0; |
6348b5de | 1304 | FLIST_HEAD(conn_list); |
50d16976 | 1305 | |
60efd14e JA |
1306 | dprint(FD_NET, "server enter accept loop\n"); |
1307 | ||
4a851614 | 1308 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1309 | |
122c7725 | 1310 | while (!exit_backend) { |
ea1cd038 | 1311 | struct sk_out *sk_out; |
479471c4 JA |
1312 | const char *from; |
1313 | char buf[64]; | |
122c7725 | 1314 | pid_t pid; |
009b1be4 | 1315 | |
122c7725 JA |
1316 | pfd.fd = listen_sk; |
1317 | pfd.events = POLLIN; | |
1318 | do { | |
54163255 JA |
1319 | int timeout = 1000; |
1320 | ||
1321 | if (!flist_empty(&conn_list)) | |
1322 | timeout = 100; | |
1323 | ||
1324 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1325 | if (ret < 0) { |
1326 | if (errno == EINTR) | |
1327 | break; | |
1328 | log_err("fio: poll: %s\n", strerror(errno)); | |
1329 | break; | |
1330 | } else if (!ret) { | |
6348b5de | 1331 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1332 | continue; |
1333 | } | |
009b1be4 | 1334 | |
122c7725 JA |
1335 | if (pfd.revents & POLLIN) |
1336 | break; | |
1337 | } while (!exit_backend); | |
50d16976 | 1338 | |
6348b5de | 1339 | fio_server_check_conns(&conn_list); |
46c48f1f | 1340 | |
122c7725 JA |
1341 | if (exit_backend || ret < 0) |
1342 | break; | |
1343 | ||
479471c4 JA |
1344 | if (use_ipv6) |
1345 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1346 | else | |
1347 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1348 | ||
122c7725 JA |
1349 | if (sk < 0) { |
1350 | log_err("fio: accept: %s\n", strerror(errno)); | |
1351 | return -1; | |
1352 | } | |
37db14fe | 1353 | |
479471c4 JA |
1354 | if (use_ipv6) |
1355 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1356 | else | |
1357 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1358 | ||
1359 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1360 | |
bce503fc | 1361 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1362 | sk_out->sk = sk; |
bce503fc | 1363 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1364 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1365 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1366 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1367 | |
122c7725 JA |
1368 | pid = fork(); |
1369 | if (pid) { | |
1370 | close(sk); | |
6348b5de | 1371 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1372 | continue; |
1373 | } | |
5c341e9a | 1374 | |
0ae6acea JA |
1375 | /* if error, it's already logged, non-fatal */ |
1376 | get_my_addr_str(sk); | |
1377 | ||
1378 | /* | |
1379 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1380 | * since that function calls _exit() when done | |
1381 | */ | |
bce503fc | 1382 | sk_out_assign(sk_out); |
f77d4b73 | 1383 | handle_connection(sk_out); |
122c7725 | 1384 | } |
5c341e9a | 1385 | |
132159a5 | 1386 | return exitval; |
50d16976 JA |
1387 | } |
1388 | ||
084d1c6f | 1389 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1390 | { |
f77d4b73 | 1391 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1392 | struct cmd_text_pdu *pdu; |
1393 | unsigned int tlen; | |
1394 | struct timeval tv; | |
1395 | ||
f77d4b73 | 1396 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1397 | return -1; |
084d1c6f JA |
1398 | |
1399 | tlen = sizeof(*pdu) + len; | |
1400 | pdu = malloc(tlen); | |
1401 | ||
1402 | pdu->level = __cpu_to_le32(level); | |
1403 | pdu->buf_len = __cpu_to_le32(len); | |
1404 | ||
1405 | gettimeofday(&tv, NULL); | |
1406 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1407 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1408 | |
084d1c6f JA |
1409 | memcpy(pdu->buf, buf, len); |
1410 | ||
f77d4b73 | 1411 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1412 | free(pdu); |
1413 | return len; | |
142575e6 JA |
1414 | } |
1415 | ||
a64e88da JA |
1416 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1417 | { | |
1418 | dst->max_val = cpu_to_le64(src->max_val); | |
1419 | dst->min_val = cpu_to_le64(src->min_val); | |
1420 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1421 | |
1422 | /* | |
1423 | * Encode to IEEE 754 for network transfer | |
1424 | */ | |
e5c9093d JA |
1425 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1426 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1427 | } |
1428 | ||
1429 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1430 | { | |
1431 | int i; | |
1432 | ||
298921d6 | 1433 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1434 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1435 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1436 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1437 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
af7f87cb | 1438 | dst->iobytes[i] = cpu_to_le64(src->iobytes[i]); |
a64e88da JA |
1439 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
1440 | } | |
1441 | ||
1442 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1443 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1444 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1445 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1446 | } |
1447 | ||
1448 | /* | |
1449 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1450 | * into a single payload. | |
1451 | */ | |
1452 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1453 | { | |
1454 | struct cmd_ts_pdu p; | |
1455 | int i, j; | |
bb49c8bd VF |
1456 | void *ss_buf; |
1457 | uint64_t *ss_iops, *ss_bw; | |
a64e88da | 1458 | |
60efd14e JA |
1459 | dprint(FD_NET, "server sending end stats\n"); |
1460 | ||
317b3c8b JA |
1461 | memset(&p, 0, sizeof(p)); |
1462 | ||
4e59d0f3 JA |
1463 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1464 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1465 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1466 | |
2f122b13 JA |
1467 | p.ts.error = cpu_to_le32(ts->error); |
1468 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1469 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1470 | p.ts.pid = cpu_to_le32(ts->pid); | |
1471 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1472 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1473 | |
298921d6 | 1474 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1475 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1476 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1477 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1478 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
188b6016 | 1479 | convert_io_stat(&p.ts.iops_stat[i], &ts->iops_stat[i]); |
a64e88da JA |
1480 | } |
1481 | ||
1482 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1483 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1484 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1485 | p.ts.minf = cpu_to_le64(ts->minf); | |
1486 | p.ts.majf = cpu_to_le64(ts->majf); | |
b599759b JA |
1487 | p.ts.clat_percentiles = cpu_to_le32(ts->clat_percentiles); |
1488 | p.ts.lat_percentiles = cpu_to_le32(ts->lat_percentiles); | |
988d97ba | 1489 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1490 | |
1491 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1492 | fio_fp64_t *src = &ts->percentile_list[i]; |
1493 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1494 | |
e5c9093d | 1495 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1496 | } |
a64e88da JA |
1497 | |
1498 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1499 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1500 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1501 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1502 | } | |
1503 | ||
d6bb626e VF |
1504 | for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) |
1505 | p.ts.io_u_lat_n[i] = cpu_to_le32(ts->io_u_lat_n[i]); | |
d279fccc | 1506 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
a64e88da | 1507 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); |
d279fccc | 1508 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
a64e88da | 1509 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); |
a64e88da | 1510 | |
298921d6 | 1511 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1512 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1513 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1514 | ||
78799deb | 1515 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1516 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1517 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1518 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1519 | } |
1520 | ||
93eee04a | 1521 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1522 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1523 | ||
298921d6 | 1524 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1525 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1526 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1527 | } | |
1528 | ||
1529 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1530 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1531 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1532 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1533 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1534 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1535 | |
3e260a46 JA |
1536 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1537 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1538 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1539 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1540 | |
6cd44635 | 1541 | p.ts.nr_block_infos = cpu_to_le64(ts->nr_block_infos); |
66347cfa | 1542 | for (i = 0; i < p.ts.nr_block_infos; i++) |
6cd44635 | 1543 | p.ts.block_infos[i] = cpu_to_le32(ts->block_infos[i]); |
66347cfa | 1544 | |
bb49c8bd VF |
1545 | p.ts.ss_dur = cpu_to_le64(ts->ss_dur); |
1546 | p.ts.ss_state = cpu_to_le32(ts->ss_state); | |
1547 | p.ts.ss_head = cpu_to_le32(ts->ss_head); | |
bb49c8bd VF |
1548 | p.ts.ss_limit.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_limit.u.f)); |
1549 | p.ts.ss_slope.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_slope.u.f)); | |
1550 | p.ts.ss_deviation.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_deviation.u.f)); | |
1551 | p.ts.ss_criterion.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_criterion.u.f)); | |
1552 | ||
a64e88da JA |
1553 | convert_gs(&p.rs, rs); |
1554 | ||
bb49c8bd VF |
1555 | dprint(FD_NET, "ts->ss_state = %d\n", ts->ss_state); |
1556 | if (ts->ss_state & __FIO_SS_DATA) { | |
1557 | dprint(FD_NET, "server sending steadystate ring buffers\n"); | |
1558 | ||
1559 | ss_buf = malloc(sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t)); | |
1560 | ||
1561 | memcpy(ss_buf, &p, sizeof(p)); | |
1562 | ||
1563 | ss_iops = (uint64_t *) ((struct cmd_ts_pdu *)ss_buf + 1); | |
1564 | ss_bw = ss_iops + (int) ts->ss_dur; | |
1565 | for (i = 0; i < ts->ss_dur; i++) { | |
1566 | ss_iops[i] = cpu_to_le64(ts->ss_iops_data[i]); | |
1567 | ss_bw[i] = cpu_to_le64(ts->ss_bw_data[i]); | |
1568 | } | |
1569 | ||
1570 | fio_net_queue_cmd(FIO_NET_CMD_TS, ss_buf, sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t), NULL, SK_F_COPY); | |
1571 | ||
1572 | free(ss_buf); | |
1573 | } | |
1574 | else | |
1575 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); | |
a64e88da JA |
1576 | } |
1577 | ||
1578 | void fio_server_send_gs(struct group_run_stats *rs) | |
1579 | { | |
1580 | struct group_run_stats gs; | |
1581 | ||
60efd14e JA |
1582 | dprint(FD_NET, "server sending group run stats\n"); |
1583 | ||
a64e88da | 1584 | convert_gs(&gs, rs); |
f77d4b73 | 1585 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1586 | } |
1587 | ||
0279b880 JA |
1588 | void fio_server_send_job_options(struct flist_head *opt_list, |
1589 | unsigned int groupid) | |
1590 | { | |
1591 | struct cmd_job_option pdu; | |
1592 | struct flist_head *entry; | |
1593 | ||
1594 | if (flist_empty(opt_list)) | |
1595 | return; | |
1596 | ||
1597 | flist_for_each(entry, opt_list) { | |
1598 | struct print_option *p; | |
bc0fec0e | 1599 | size_t len; |
0279b880 JA |
1600 | |
1601 | p = flist_entry(entry, struct print_option, list); | |
1602 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1603 | |
0279b880 JA |
1604 | if (groupid == -1U) { |
1605 | pdu.global = __cpu_to_le16(1); | |
1606 | pdu.groupid = 0; | |
1607 | } else { | |
1608 | pdu.global = 0; | |
bc0fec0e JA |
1609 | pdu.groupid = cpu_to_le32(groupid); |
1610 | } | |
1611 | len = strlen(p->name); | |
1612 | if (len >= sizeof(pdu.name)) { | |
1613 | len = sizeof(pdu.name) - 1; | |
1614 | pdu.truncated = __cpu_to_le16(1); | |
1615 | } | |
1616 | memcpy(pdu.name, p->name, len); | |
1617 | if (p->value) { | |
1618 | len = strlen(p->value); | |
1619 | if (len >= sizeof(pdu.value)) { | |
1620 | len = sizeof(pdu.value) - 1; | |
1621 | pdu.truncated = __cpu_to_le16(1); | |
1622 | } | |
1623 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1624 | } |
0279b880 JA |
1625 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1626 | } | |
1627 | } | |
1628 | ||
d09a64a0 JA |
1629 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1630 | { | |
1631 | int i; | |
1632 | ||
1633 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1634 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1635 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1636 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1637 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1638 | } |
1639 | ||
504bc961 JA |
1640 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1641 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1642 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1643 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1644 | } |
1645 | ||
1646 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1647 | { | |
1648 | int i; | |
1649 | ||
59140421 JA |
1650 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1651 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1652 | |
1653 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1654 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1655 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1656 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1657 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1658 | } |
1659 | ||
504bc961 JA |
1660 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1661 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1662 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1663 | } |
1664 | ||
1665 | void fio_server_send_du(void) | |
1666 | { | |
1667 | struct disk_util *du; | |
1668 | struct flist_head *entry; | |
1669 | struct cmd_du_pdu pdu; | |
1670 | ||
1671 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1672 | ||
0766d92e JA |
1673 | memset(&pdu, 0, sizeof(pdu)); |
1674 | ||
d09a64a0 JA |
1675 | flist_for_each(entry, &disk_list) { |
1676 | du = flist_entry(entry, struct disk_util, list); | |
1677 | ||
1678 | convert_dus(&pdu.dus, &du->dus); | |
1679 | convert_agg(&pdu.agg, &du->agg); | |
1680 | ||
f77d4b73 | 1681 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1682 | } |
1683 | } | |
1684 | ||
3989b143 | 1685 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1686 | |
1687 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1688 | struct sk_entry **last_entry, | |
1689 | struct sk_entry *first) | |
1690 | { | |
1691 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1692 | ||
1693 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1694 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1695 | flist_add_tail(&(*last_entry)->list, &first->next); | |
1696 | ||
1697 | } | |
1698 | ||
1699 | /* | |
1700 | * Deflates the next input given, creating as many new packets in the | |
1701 | * linked list as necessary. | |
1702 | */ | |
1703 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1704 | struct sk_entry **last_entry, z_stream *stream, | |
1705 | struct sk_entry *first) | |
1706 | { | |
1707 | int ret; | |
1708 | ||
1709 | stream->next_in = next_in; | |
1710 | stream->avail_in = next_sz; | |
1711 | do { | |
1712 | if (! stream->avail_out) { | |
1713 | ||
1714 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); | |
1715 | ||
1716 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1717 | ||
1718 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1719 | stream->next_out = *out_pdu; | |
1720 | } | |
1721 | ||
1722 | ret = deflate(stream, Z_BLOCK); | |
1723 | ||
1724 | if (ret < 0) { | |
1725 | free(*out_pdu); | |
1726 | return 1; | |
1727 | } | |
1728 | } while (stream->avail_in); | |
1729 | ||
1730 | return 0; | |
1731 | } | |
1732 | ||
1733 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1734 | struct io_logs *cur_log, z_stream *stream) | |
1735 | { | |
1736 | struct sk_entry *entry; | |
1737 | void *out_pdu; | |
1738 | int ret, i, j; | |
1739 | int sample_sz = log_entry_sz(log); | |
1740 | ||
1741 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1742 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1743 | stream->next_out = out_pdu; | |
1744 | ||
1745 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1746 | struct io_sample *s; | |
1747 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
1748 | unsigned int *cur_plat, *prev_plat; | |
1749 | ||
1750 | s = get_sample(log, cur_log, i); | |
1751 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1752 | if (ret) | |
1753 | return ret; | |
1754 | ||
1755 | /* Do the subtraction on server side so that client doesn't have to | |
1756 | * reconstruct our linked list from packets. | |
1757 | */ | |
af2fde19 | 1758 | cur_plat_entry = s->data.plat_entry; |
868f6f03 KC |
1759 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); |
1760 | cur_plat = cur_plat_entry->io_u_plat; | |
1761 | prev_plat = prev_plat_entry->io_u_plat; | |
1762 | ||
1763 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1764 | cur_plat[j] -= prev_plat[j]; | |
1765 | } | |
1766 | ||
1767 | flist_del(&prev_plat_entry->list); | |
1768 | free(prev_plat_entry); | |
1769 | ||
1770 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1771 | &out_pdu, &entry, stream, first); | |
1772 | ||
1773 | if (ret) | |
1774 | return ret; | |
1775 | } | |
1776 | ||
1777 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1778 | ||
1779 | return 0; | |
1780 | } | |
1781 | ||
7e419452 JA |
1782 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1783 | struct io_logs *cur_log, z_stream *stream) | |
1784 | { | |
e35fb4c4 | 1785 | unsigned int this_len; |
1b42725f | 1786 | void *out_pdu; |
7e419452 | 1787 | int ret; |
1b42725f | 1788 | |
868f6f03 KC |
1789 | if (log->log_type == IO_LOG_TYPE_HIST) |
1790 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1791 | ||
7e419452 JA |
1792 | stream->next_in = (void *) cur_log->log; |
1793 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1794 | |
1795 | do { | |
e35fb4c4 | 1796 | struct sk_entry *entry; |
1b42725f | 1797 | |
7e419452 JA |
1798 | /* |
1799 | * Dirty - since the log is potentially huge, compress it into | |
1800 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1801 | * side defragment it. | |
1802 | */ | |
1803 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1804 | ||
1805 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1806 | stream->next_out = out_pdu; | |
e35fb4c4 | 1807 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1808 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1809 | if (ret < 0) { |
1810 | free(out_pdu); | |
1811 | return 1; | |
1812 | } | |
1b42725f | 1813 | |
7e419452 | 1814 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1815 | |
02594e37 | 1816 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1817 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
02594e37 | 1818 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1819 | } while (stream->avail_in); |
1820 | ||
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1825 | { | |
1826 | int ret = 0; | |
1827 | z_stream stream; | |
1828 | ||
1829 | memset(&stream, 0, sizeof(stream)); | |
1830 | stream.zalloc = Z_NULL; | |
1831 | stream.zfree = Z_NULL; | |
1832 | stream.opaque = Z_NULL; | |
1833 | ||
1834 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1835 | return 1; | |
1836 | ||
1837 | while (!flist_empty(&log->io_logs)) { | |
1838 | struct io_logs *cur_log; | |
1839 | ||
1840 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1841 | flist_del_init(&cur_log->list); | |
1842 | ||
1843 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1844 | if (ret) | |
1845 | break; | |
1846 | } | |
1b42725f | 1847 | |
e35fb4c4 JA |
1848 | ret = deflate(&stream, Z_FINISH); |
1849 | ||
1850 | while (ret != Z_STREAM_END) { | |
1851 | struct sk_entry *entry; | |
1852 | unsigned int this_len; | |
1853 | void *out_pdu; | |
1854 | ||
1855 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1856 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1857 | stream.next_out = out_pdu; | |
1858 | ||
1859 | ret = deflate(&stream, Z_FINISH); | |
1860 | /* may be Z_OK, or Z_STREAM_END */ | |
1861 | if (ret < 0) { | |
1862 | free(out_pdu); | |
1863 | break; | |
1864 | } | |
1865 | ||
1866 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1867 | ||
1868 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1869 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1870 | flist_add_tail(&entry->list, &first->next); | |
1871 | } while (ret != Z_STREAM_END); | |
1872 | ||
1873 | ret = deflateEnd(&stream); | |
1874 | if (ret == Z_OK) | |
1875 | return 0; | |
1876 | ||
1877 | return 1; | |
1b42725f | 1878 | } |
7e419452 JA |
1879 | #else |
1880 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1881 | { | |
1882 | return 1; | |
1883 | } | |
1884 | #endif | |
1b42725f | 1885 | |
dfc8e76c | 1886 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1887 | { |
1888 | struct sk_entry *entry; | |
1889 | struct flist_head *node; | |
1890 | ||
1891 | pthread_mutex_lock(&log->chunk_lock); | |
1892 | flist_for_each(node, &log->chunk_list) { | |
1893 | struct iolog_compress *c; | |
1894 | ||
1895 | c = flist_entry(node, struct iolog_compress, list); | |
1896 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1897 | NULL, SK_F_VEC | SK_F_INLINE); | |
1898 | flist_add_tail(&entry->list, &first->next); | |
1899 | } | |
1900 | pthread_mutex_unlock(&log->chunk_lock); | |
1901 | ||
1902 | return 0; | |
1903 | } | |
1904 | ||
dfc8e76c JA |
1905 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1906 | { | |
1907 | struct sk_entry *entry; | |
dfc8e76c | 1908 | |
7e419452 JA |
1909 | while (!flist_empty(&log->io_logs)) { |
1910 | struct io_logs *cur_log; | |
1911 | size_t size; | |
1912 | ||
1913 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1914 | flist_del_init(&cur_log->list); | |
1915 | ||
1916 | size = cur_log->nr_samples * log_entry_sz(log); | |
1917 | ||
1918 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1919 | NULL, SK_F_VEC | SK_F_INLINE); | |
1920 | flist_add_tail(&entry->list, &first->next); | |
1921 | } | |
1922 | ||
dfc8e76c JA |
1923 | return 0; |
1924 | } | |
1925 | ||
3989b143 JA |
1926 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1927 | { | |
1928 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1929 | struct sk_entry *first; |
7e419452 JA |
1930 | struct flist_head *entry; |
1931 | int ret = 0; | |
3989b143 | 1932 | |
7e419452 | 1933 | pdu.nr_samples = cpu_to_le64(iolog_nr_samples(log)); |
3989b143 | 1934 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1935 | pdu.log_type = cpu_to_le32(log->log_type); |
868f6f03 | 1936 | pdu.log_hist_coarseness = cpu_to_le32(log->hist_coarseness); |
0cba0f91 JA |
1937 | |
1938 | if (!flist_empty(&log->chunk_list)) | |
1939 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1940 | else if (use_zlib) | |
1941 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1942 | else | |
1943 | pdu.compressed = 0; | |
9bdb9265 JA |
1944 | |
1945 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1946 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1947 | |
0cba0f91 JA |
1948 | /* |
1949 | * We can't do this for a pre-compressed log, but for that case, | |
1950 | * log->nr_samples is zero anyway. | |
1951 | */ | |
7e419452 JA |
1952 | flist_for_each(entry, &log->io_logs) { |
1953 | struct io_logs *cur_log; | |
1954 | int i; | |
3989b143 | 1955 | |
7e419452 | 1956 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 1957 | |
7e419452 JA |
1958 | for (i = 0; i < cur_log->nr_samples; i++) { |
1959 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 1960 | |
7e419452 | 1961 | s->time = cpu_to_le64(s->time); |
af2fde19 | 1962 | s->data.val = cpu_to_le64(s->data.val); |
7e419452 JA |
1963 | s->__ddir = cpu_to_le32(s->__ddir); |
1964 | s->bs = cpu_to_le32(s->bs); | |
1965 | ||
1966 | if (log->log_offset) { | |
1967 | struct io_sample_offset *so = (void *) s; | |
1968 | ||
1969 | so->offset = cpu_to_le64(so->offset); | |
1970 | } | |
ae588852 | 1971 | } |
3989b143 JA |
1972 | } |
1973 | ||
1974 | /* | |
02594e37 | 1975 | * Assemble header entry first |
3989b143 | 1976 | */ |
bead01d7 | 1977 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1978 | |
1979 | /* | |
dfc8e76c JA |
1980 | * Now append actual log entries. If log compression was enabled on |
1981 | * the job, just send out the compressed chunks directly. If we | |
1982 | * have a plain log, compress if we can, then send. Otherwise, send | |
1983 | * the plain text output. | |
3989b143 | 1984 | */ |
0cba0f91 | 1985 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1986 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1987 | else if (use_zlib) |
dfc8e76c JA |
1988 | ret = fio_append_iolog_gz(first, log); |
1989 | else | |
1990 | ret = fio_append_text_log(first, log); | |
3989b143 | 1991 | |
bead01d7 | 1992 | fio_net_queue_entry(first); |
f77d4b73 | 1993 | return ret; |
3989b143 JA |
1994 | } |
1995 | ||
2f122b13 | 1996 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1997 | { |
1998 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1999 | |
731e30a2 | 2000 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
2001 | pdu.thread_number = cpu_to_le32(td->thread_number); |
2002 | pdu.groupid = cpu_to_le32(td->groupid); | |
2003 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 2004 | |
dfc8e76c JA |
2005 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
2006 | SK_F_COPY); | |
807f9971 JA |
2007 | } |
2008 | ||
122c7725 JA |
2009 | void fio_server_send_start(struct thread_data *td) |
2010 | { | |
f77d4b73 JA |
2011 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2012 | ||
2013 | assert(sk_out->sk != -1); | |
122c7725 | 2014 | |
a89ba4b1 | 2015 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
2016 | } |
2017 | ||
ca09be4b | 2018 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 2019 | void **datap) |
ca09be4b JA |
2020 | { |
2021 | struct thread_io_list *s; | |
2022 | struct cmd_sendfile out; | |
2023 | struct cmd_reply *rep; | |
2024 | uint64_t tag; | |
2025 | void *data; | |
c0d3245a | 2026 | int ret; |
ca09be4b JA |
2027 | |
2028 | dprint(FD_NET, "server: request verify state\n"); | |
2029 | ||
2030 | rep = smalloc(sizeof(*rep)); | |
81b3c86f | 2031 | if (!rep) |
c0d3245a | 2032 | return ENOMEM; |
ca09be4b JA |
2033 | |
2034 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
2035 | rep->data = NULL; | |
2036 | rep->error = 0; | |
2037 | ||
e499aedc JA |
2038 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2039 | threadnumber); | |
ca09be4b | 2040 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2041 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2042 | SK_F_COPY); | |
ca09be4b JA |
2043 | |
2044 | /* | |
2045 | * Wait for the backend to receive the reply | |
2046 | */ | |
09400a60 | 2047 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2048 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2049 | ret = ETIMEDOUT; |
ca09be4b JA |
2050 | goto fail; |
2051 | } | |
2052 | ||
2053 | if (rep->error) { | |
415c3133 JA |
2054 | log_err("fio: failure on receiving state file %s: %s\n", |
2055 | out.path, strerror(rep->error)); | |
c0d3245a | 2056 | ret = rep->error; |
ca09be4b JA |
2057 | fail: |
2058 | *datap = NULL; | |
2059 | sfree(rep); | |
f77d4b73 | 2060 | fio_net_queue_quit(); |
c0d3245a | 2061 | return ret; |
ca09be4b JA |
2062 | } |
2063 | ||
2064 | /* | |
2065 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2066 | * the header, and the thread_io_list checksum | |
2067 | */ | |
2068 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2069 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2070 | ret = EILSEQ; |
ca09be4b | 2071 | goto fail; |
c0d3245a | 2072 | } |
ca09be4b JA |
2073 | |
2074 | /* | |
2075 | * Don't need the header from now, copy just the thread_io_list | |
2076 | */ | |
c0d3245a | 2077 | ret = 0; |
ca09be4b JA |
2078 | rep->size -= sizeof(struct verify_state_hdr); |
2079 | data = malloc(rep->size); | |
2080 | memcpy(data, s, rep->size); | |
2081 | *datap = data; | |
2082 | ||
2083 | sfree(rep->data); | |
f5a42524 | 2084 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 2085 | sfree(rep); |
c0d3245a | 2086 | return ret; |
ca09be4b JA |
2087 | } |
2088 | ||
87aa8f19 | 2089 | static int fio_init_server_ip(void) |
81179eec | 2090 | { |
811826be | 2091 | struct sockaddr *addr; |
67bf9823 | 2092 | socklen_t socklen; |
17e3531a JA |
2093 | char buf[80]; |
2094 | const char *str; | |
87aa8f19 | 2095 | int sk, opt; |
81179eec | 2096 | |
811826be JA |
2097 | if (use_ipv6) |
2098 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2099 | else | |
2100 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2101 | ||
81179eec JA |
2102 | if (sk < 0) { |
2103 | log_err("fio: socket: %s\n", strerror(errno)); | |
2104 | return -1; | |
2105 | } | |
2106 | ||
2107 | opt = 1; | |
1f81991e | 2108 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2109 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2110 | close(sk); |
81179eec JA |
2111 | return -1; |
2112 | } | |
2113 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2114 | /* |
2115 | * Not fatal if fails, so just ignore it if that happens | |
2116 | */ | |
2117 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
2118 | #endif |
2119 | ||
811826be | 2120 | if (use_ipv6) { |
17e3531a JA |
2121 | const void *src = &saddr_in6.sin6_addr; |
2122 | ||
811826be JA |
2123 | addr = (struct sockaddr *) &saddr_in6; |
2124 | socklen = sizeof(saddr_in6); | |
2125 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2126 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2127 | } else { |
17e3531a JA |
2128 | const void *src = &saddr_in.sin_addr; |
2129 | ||
811826be JA |
2130 | addr = (struct sockaddr *) &saddr_in; |
2131 | socklen = sizeof(saddr_in); | |
2132 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2133 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2134 | } |
81179eec | 2135 | |
811826be | 2136 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2137 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2138 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2139 | close(sk); |
81179eec JA |
2140 | return -1; |
2141 | } | |
2142 | ||
87aa8f19 JA |
2143 | return sk; |
2144 | } | |
2145 | ||
2146 | static int fio_init_server_sock(void) | |
2147 | { | |
2148 | struct sockaddr_un addr; | |
67bf9823 | 2149 | socklen_t len; |
87aa8f19 JA |
2150 | mode_t mode; |
2151 | int sk; | |
2152 | ||
2153 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2154 | if (sk < 0) { | |
2155 | log_err("fio: socket: %s\n", strerror(errno)); | |
2156 | return -1; | |
2157 | } | |
2158 | ||
2159 | mode = umask(000); | |
2160 | ||
2161 | memset(&addr, 0, sizeof(addr)); | |
2162 | addr.sun_family = AF_UNIX; | |
a48fddbc | 2163 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
2164 | |
2165 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2166 | ||
2167 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2168 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2169 | close(sk); |
87aa8f19 JA |
2170 | return -1; |
2171 | } | |
2172 | ||
2173 | umask(mode); | |
2174 | return sk; | |
2175 | } | |
2176 | ||
2177 | static int fio_init_server_connection(void) | |
2178 | { | |
bebe6398 | 2179 | char bind_str[128]; |
87aa8f19 JA |
2180 | int sk; |
2181 | ||
2182 | dprint(FD_NET, "starting server\n"); | |
2183 | ||
2184 | if (!bind_sock) | |
2185 | sk = fio_init_server_ip(); | |
2186 | else | |
2187 | sk = fio_init_server_sock(); | |
2188 | ||
2189 | if (sk < 0) | |
2190 | return sk; | |
2191 | ||
afdcad23 JA |
2192 | memset(bind_str, 0, sizeof(bind_str)); |
2193 | ||
811826be JA |
2194 | if (!bind_sock) { |
2195 | char *p, port[16]; | |
2196 | const void *src; | |
2197 | int af; | |
2198 | ||
2199 | if (use_ipv6) { | |
2200 | af = AF_INET6; | |
2201 | src = &saddr_in6.sin6_addr; | |
2202 | } else { | |
2203 | af = AF_INET; | |
2204 | src = &saddr_in.sin_addr; | |
2205 | } | |
2206 | ||
2207 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2208 | ||
2209 | sprintf(port, ",%u", fio_net_port); | |
2210 | if (p) | |
2211 | strcat(p, port); | |
2212 | else | |
afdcad23 | 2213 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 2214 | } else |
afdcad23 | 2215 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
2216 | |
2217 | log_info("fio: server listening on %s\n", bind_str); | |
2218 | ||
1e1507df | 2219 | if (listen(sk, 4) < 0) { |
81179eec | 2220 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2221 | close(sk); |
81179eec JA |
2222 | return -1; |
2223 | } | |
2224 | ||
87aa8f19 JA |
2225 | return sk; |
2226 | } | |
2227 | ||
3aa3ceeb | 2228 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2229 | struct in6_addr *inp6) |
2230 | ||
2231 | { | |
2232 | int ret = 0; | |
2233 | ||
3aa3ceeb | 2234 | if (ipv6) |
3ec62ec4 JA |
2235 | ret = inet_pton(AF_INET6, host, inp6); |
2236 | else | |
2237 | ret = inet_pton(AF_INET, host, inp); | |
2238 | ||
2239 | if (ret != 1) { | |
479471c4 JA |
2240 | struct addrinfo hints, *res; |
2241 | ||
2242 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2243 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2244 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2245 | |
479471c4 JA |
2246 | ret = getaddrinfo(host, NULL, &hints, &res); |
2247 | if (ret) { | |
2248 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2249 | gai_strerror(ret)); | |
3caf43e3 | 2250 | return 1; |
3ec62ec4 JA |
2251 | } |
2252 | ||
3aa3ceeb | 2253 | if (ipv6) |
479471c4 JA |
2254 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2255 | else | |
2256 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2257 | ||
3ec62ec4 | 2258 | ret = 1; |
479471c4 | 2259 | freeaddrinfo(res); |
3ec62ec4 JA |
2260 | } |
2261 | ||
2262 | return !(ret == 1); | |
2263 | } | |
2264 | ||
660a2bfb JA |
2265 | /* |
2266 | * Parse a host/ip/port string. Reads from 'str'. | |
2267 | * | |
2268 | * Outputs: | |
2269 | * | |
2270 | * For IPv4: | |
2271 | * *ptr is the host, *port is the port, inp is the destination. | |
2272 | * For IPv6: | |
2273 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2274 | * For local domain sockets: | |
2275 | * *ptr is the filename, *is_sock is 1. | |
2276 | */ | |
67d2a9b8 | 2277 | int fio_server_parse_string(const char *str, char **ptr, bool *is_sock, |
811826be JA |
2278 | int *port, struct in_addr *inp, |
2279 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2280 | { |
76867621 JA |
2281 | const char *host = str; |
2282 | char *portp; | |
3ec62ec4 | 2283 | int lport = 0; |
76867621 | 2284 | |
bebe6398 | 2285 | *ptr = NULL; |
67d2a9b8 | 2286 | *is_sock = false; |
6d2cf394 | 2287 | *port = fio_net_port; |
811826be | 2288 | *ipv6 = 0; |
bebe6398 JA |
2289 | |
2290 | if (!strncmp(str, "sock:", 5)) { | |
2291 | *ptr = strdup(str + 5); | |
67d2a9b8 | 2292 | *is_sock = true; |
76867621 JA |
2293 | |
2294 | return 0; | |
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * Is it ip:<ip or host>:port | |
2299 | */ | |
2300 | if (!strncmp(host, "ip:", 3)) | |
2301 | host += 3; | |
2302 | else if (!strncmp(host, "ip4:", 4)) | |
2303 | host += 4; | |
2304 | else if (!strncmp(host, "ip6:", 4)) { | |
2305 | host += 4; | |
2306 | *ipv6 = 1; | |
2307 | } else if (host[0] == ':') { | |
2308 | /* String is :port */ | |
2309 | host++; | |
2310 | lport = atoi(host); | |
2311 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2312 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2313 | return 1; |
2314 | } | |
2315 | /* no hostname given, we are done */ | |
2316 | *port = lport; | |
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | /* | |
b96b90c3 | 2321 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2322 | */ |
2323 | if (!lport) { | |
2324 | portp = strchr(host, ','); | |
2325 | if (portp) { | |
2326 | *portp = '\0'; | |
2327 | portp++; | |
2328 | lport = atoi(portp); | |
bebe6398 | 2329 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2330 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2331 | return 1; |
2332 | } | |
bebe6398 | 2333 | } |
76867621 | 2334 | } |
bebe6398 | 2335 | |
76867621 JA |
2336 | if (lport) |
2337 | *port = lport; | |
bebe6398 | 2338 | |
76867621 JA |
2339 | if (!strlen(host)) |
2340 | return 0; | |
bebe6398 | 2341 | |
76867621 | 2342 | *ptr = strdup(host); |
811826be | 2343 | |
3aa3ceeb | 2344 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2345 | free(*ptr); |
2346 | *ptr = NULL; | |
2347 | return 1; | |
bebe6398 JA |
2348 | } |
2349 | ||
2350 | if (*port == 0) | |
2351 | *port = fio_net_port; | |
2352 | ||
2353 | return 0; | |
2354 | } | |
2355 | ||
87aa8f19 JA |
2356 | /* |
2357 | * Server arg should be one of: | |
2358 | * | |
2359 | * sock:/path/to/socket | |
2360 | * ip:1.2.3.4 | |
2361 | * 1.2.3.4 | |
2362 | * | |
2363 | * Where sock uses unix domain sockets, and ip binds the server to | |
2364 | * a specific interface. If no arguments are given to the server, it | |
2365 | * uses IP and binds to 0.0.0.0. | |
2366 | * | |
2367 | */ | |
2368 | static int fio_handle_server_arg(void) | |
2369 | { | |
6d2cf394 | 2370 | int port = fio_net_port; |
67d2a9b8 JA |
2371 | bool is_sock; |
2372 | int ret = 0; | |
bebe6398 | 2373 | |
87aa8f19 JA |
2374 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2375 | ||
2376 | if (!fio_server_arg) | |
a7de0a11 | 2377 | goto out; |
87aa8f19 | 2378 | |
4e5b8fb8 | 2379 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2380 | &port, &saddr_in.sin_addr, |
2381 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2382 | |
2383 | if (!is_sock && bind_sock) { | |
2384 | free(bind_sock); | |
2385 | bind_sock = NULL; | |
2386 | } | |
2387 | ||
a7de0a11 | 2388 | out: |
6d2cf394 JA |
2389 | fio_net_port = port; |
2390 | saddr_in.sin_port = htons(port); | |
811826be | 2391 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2392 | return ret; |
87aa8f19 JA |
2393 | } |
2394 | ||
43cdea1d JA |
2395 | static void sig_int(int sig) |
2396 | { | |
2397 | if (bind_sock) | |
2398 | unlink(bind_sock); | |
2399 | } | |
2400 | ||
2401 | static void set_sig_handlers(void) | |
2402 | { | |
2403 | struct sigaction act; | |
2404 | ||
2405 | memset(&act, 0, sizeof(act)); | |
2406 | act.sa_handler = sig_int; | |
2407 | act.sa_flags = SA_RESTART; | |
2408 | sigaction(SIGINT, &act, NULL); | |
2409 | } | |
2410 | ||
518a1cf0 JA |
2411 | void fio_server_destroy_sk_key(void) |
2412 | { | |
2413 | pthread_key_delete(sk_out_key); | |
2414 | } | |
2415 | ||
3d80c735 | 2416 | int fio_server_create_sk_key(void) |
87aa8f19 | 2417 | { |
9c003782 JA |
2418 | if (pthread_key_create(&sk_out_key, NULL)) { |
2419 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2420 | return 1; |
9c003782 JA |
2421 | } |
2422 | ||
2423 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2424 | return 0; |
2425 | } | |
2426 | ||
2427 | static int fio_server(void) | |
2428 | { | |
2429 | int sk, ret; | |
9c003782 | 2430 | |
87aa8f19 JA |
2431 | dprint(FD_NET, "starting server\n"); |
2432 | ||
2433 | if (fio_handle_server_arg()) | |
2434 | return -1; | |
2435 | ||
2436 | sk = fio_init_server_connection(); | |
2437 | if (sk < 0) | |
2438 | return -1; | |
81179eec | 2439 | |
43cdea1d JA |
2440 | set_sig_handlers(); |
2441 | ||
ea1cd038 | 2442 | ret = accept_loop(sk); |
87aa8f19 | 2443 | |
81179eec | 2444 | close(sk); |
87aa8f19 JA |
2445 | |
2446 | if (fio_server_arg) { | |
2447 | free(fio_server_arg); | |
2448 | fio_server_arg = NULL; | |
2449 | } | |
bebe6398 JA |
2450 | if (bind_sock) |
2451 | free(bind_sock); | |
87aa8f19 | 2452 | |
81179eec JA |
2453 | return ret; |
2454 | } | |
2455 | ||
7b821684 | 2456 | void fio_server_got_signal(int signal) |
9abea48b | 2457 | { |
f77d4b73 JA |
2458 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2459 | ||
2460 | assert(sk_out); | |
2461 | ||
7b821684 | 2462 | if (signal == SIGPIPE) |
f77d4b73 | 2463 | sk_out->sk = -1; |
7b821684 JA |
2464 | else { |
2465 | log_info("\nfio: terminating on signal %d\n", signal); | |
2466 | exit_backend = 1; | |
2467 | } | |
9abea48b JA |
2468 | } |
2469 | ||
13755d94 JA |
2470 | static int check_existing_pidfile(const char *pidfile) |
2471 | { | |
2472 | struct stat sb; | |
2473 | char buf[16]; | |
2474 | pid_t pid; | |
2475 | FILE *f; | |
2476 | ||
2477 | if (stat(pidfile, &sb)) | |
2478 | return 0; | |
2479 | ||
2480 | f = fopen(pidfile, "r"); | |
2481 | if (!f) | |
2482 | return 0; | |
2483 | ||
bfc3b179 | 2484 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2485 | fclose(f); |
2486 | return 1; | |
2487 | } | |
2488 | fclose(f); | |
2489 | ||
2490 | pid = atoi(buf); | |
2491 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2492 | return errno != ESRCH; |
13755d94 JA |
2493 | |
2494 | return 1; | |
2495 | } | |
2496 | ||
2497 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2498 | { |
2499 | FILE *fpid; | |
2500 | ||
2501 | fpid = fopen(pidfile, "w"); | |
2502 | if (!fpid) { | |
2503 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2504 | return 1; |
402668f3 JA |
2505 | } |
2506 | ||
2507 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2508 | fclose(fpid); |
2509 | return 0; | |
402668f3 JA |
2510 | } |
2511 | ||
2512 | /* | |
2513 | * If pidfile is specified, background us. | |
2514 | */ | |
2515 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2516 | { |
2517 | pid_t pid; | |
402668f3 | 2518 | int ret; |
e46d8091 | 2519 | |
93bcfd20 | 2520 | #if defined(WIN32) |
905c78b9 | 2521 | WSADATA wsd; |
3c3ed070 | 2522 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2523 | #endif |
2524 | ||
402668f3 | 2525 | if (!pidfile) |
e46d8091 JA |
2526 | return fio_server(); |
2527 | ||
13755d94 JA |
2528 | if (check_existing_pidfile(pidfile)) { |
2529 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2530 | pidfile); | |
b8ba87ac | 2531 | free(pidfile); |
13755d94 JA |
2532 | return -1; |
2533 | } | |
2534 | ||
e46d8091 JA |
2535 | pid = fork(); |
2536 | if (pid < 0) { | |
c5839011 | 2537 | log_err("fio: failed server fork: %s\n", strerror(errno)); |
402668f3 | 2538 | free(pidfile); |
c28e8e8c | 2539 | return -1; |
402668f3 | 2540 | } else if (pid) { |
8a1db9a1 | 2541 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2542 | free(pidfile); |
44c8268d | 2543 | _exit(ret); |
402668f3 | 2544 | } |
e46d8091 JA |
2545 | |
2546 | setsid(); | |
13755d94 JA |
2547 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2548 | log_syslog = 1; | |
e46d8091 JA |
2549 | close(STDIN_FILENO); |
2550 | close(STDOUT_FILENO); | |
2551 | close(STDERR_FILENO); | |
2552 | f_out = NULL; | |
2553 | f_err = NULL; | |
402668f3 JA |
2554 | |
2555 | ret = fio_server(); | |
2556 | ||
2557 | closelog(); | |
2558 | unlink(pidfile); | |
2559 | free(pidfile); | |
2560 | return ret; | |
e46d8091 | 2561 | } |
87aa8f19 | 2562 | |
bebe6398 | 2563 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2564 | { |
2565 | fio_server_arg = strdup(arg); | |
2566 | } |