Commit | Line | Data |
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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
50d16976 | 4 | #include <errno.h> |
8393ca93 | 5 | #include <poll.h> |
50d16976 JA |
6 | #include <sys/types.h> |
7 | #include <sys/wait.h> | |
d05c4a03 | 8 | #include <sys/socket.h> |
87aa8f19 JA |
9 | #include <sys/stat.h> |
10 | #include <sys/un.h> | |
1f51bba9 | 11 | #include <sys/uio.h> |
50d16976 JA |
12 | #include <netinet/in.h> |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
e46d8091 | 15 | #include <syslog.h> |
9e22ecb0 | 16 | #include <signal.h> |
3989b143 | 17 | #ifdef CONFIG_ZLIB |
1b42725f | 18 | #include <zlib.h> |
3989b143 | 19 | #endif |
50d16976 JA |
20 | |
21 | #include "fio.h" | |
296ab20a | 22 | #include "options.h" |
132159a5 | 23 | #include "server.h" |
fcee5ff6 | 24 | #include "crc/crc16.h" |
c7c6cb4c | 25 | #include "lib/ieee754.h" |
3d2d14bc | 26 | #include "verify-state.h" |
ca09be4b | 27 | #include "smalloc.h" |
89cf1480 | 28 | |
5adc2447 | 29 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 30 | |
009b1be4 JA |
31 | int exit_backend = 0; |
32 | ||
f77d4b73 JA |
33 | enum { |
34 | SK_F_FREE = 1, | |
35 | SK_F_COPY = 2, | |
36 | SK_F_SIMPLE = 4, | |
02594e37 | 37 | SK_F_VEC = 8, |
bead01d7 | 38 | SK_F_INLINE = 16, |
f77d4b73 JA |
39 | }; |
40 | ||
41 | struct sk_entry { | |
4d27d429 JA |
42 | struct flist_head list; /* link on sk_out->list */ |
43 | int flags; /* SK_F_* */ | |
44 | int opcode; /* Actual command fields */ | |
f77d4b73 JA |
45 | void *buf; |
46 | off_t size; | |
28c7bcdf | 47 | uint64_t tag; |
4d27d429 | 48 | struct flist_head next; /* Other sk_entry's, if linked command */ |
f77d4b73 JA |
49 | }; |
50 | ||
87aa8f19 JA |
51 | static char *fio_server_arg; |
52 | static char *bind_sock; | |
53 | static struct sockaddr_in saddr_in; | |
811826be | 54 | static struct sockaddr_in6 saddr_in6; |
811826be | 55 | static int use_ipv6; |
3989b143 JA |
56 | #ifdef CONFIG_ZLIB |
57 | static unsigned int has_zlib = 1; | |
58 | #else | |
59 | static unsigned int has_zlib = 0; | |
60 | #endif | |
61 | static unsigned int use_zlib; | |
ca09be4b | 62 | static char me[128]; |
37db14fe | 63 | |
f77d4b73 JA |
64 | static pthread_key_t sk_out_key; |
65 | ||
122c7725 JA |
66 | struct fio_fork_item { |
67 | struct flist_head list; | |
68 | int exitval; | |
69 | int signal; | |
70 | int exited; | |
71 | pid_t pid; | |
72 | }; | |
73 | ||
ca09be4b | 74 | struct cmd_reply { |
971caeb1 | 75 | struct fio_sem lock; |
ca09be4b JA |
76 | void *data; |
77 | size_t size; | |
78 | int error; | |
79 | }; | |
80 | ||
89c1707c JA |
81 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
82 | "", | |
83 | "QUIT", | |
84 | "EXIT", | |
85 | "JOB", | |
86 | "JOBLINE", | |
87 | "TEXT", | |
88 | "TS", | |
89 | "GS", | |
90 | "SEND_ETA", | |
91 | "ETA", | |
92 | "PROBE", | |
93 | "START", | |
d09a64a0 JA |
94 | "STOP", |
95 | "DISK_UTIL", | |
b9d2f30a | 96 | "SERVER_START", |
807f9971 | 97 | "ADD_JOB", |
ca09be4b JA |
98 | "RUN", |
99 | "IOLOG", | |
100 | "UPDATE_JOB", | |
101 | "LOAD_FILE", | |
102 | "VTRIGGER", | |
103 | "SENDFILE", | |
9d9937b5 | 104 | "JOB_OPT", |
89c1707c JA |
105 | }; |
106 | ||
f77d4b73 JA |
107 | static void sk_lock(struct sk_out *sk_out) |
108 | { | |
971caeb1 | 109 | fio_sem_down(&sk_out->lock); |
f77d4b73 JA |
110 | } |
111 | ||
112 | static void sk_unlock(struct sk_out *sk_out) | |
113 | { | |
971caeb1 | 114 | fio_sem_up(&sk_out->lock); |
f77d4b73 JA |
115 | } |
116 | ||
24660963 JA |
117 | void sk_out_assign(struct sk_out *sk_out) |
118 | { | |
119 | if (!sk_out) | |
120 | return; | |
121 | ||
122 | sk_lock(sk_out); | |
123 | sk_out->refs++; | |
124 | sk_unlock(sk_out); | |
125 | pthread_setspecific(sk_out_key, sk_out); | |
126 | } | |
127 | ||
bce503fc | 128 | static void sk_out_free(struct sk_out *sk_out) |
24660963 | 129 | { |
971caeb1 BVA |
130 | __fio_sem_remove(&sk_out->lock); |
131 | __fio_sem_remove(&sk_out->wait); | |
132 | __fio_sem_remove(&sk_out->xmit); | |
24660963 JA |
133 | sfree(sk_out); |
134 | } | |
135 | ||
bce503fc | 136 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 137 | { |
24660963 JA |
138 | if (sk_out) { |
139 | int refs; | |
140 | ||
141 | sk_lock(sk_out); | |
c0d3245a | 142 | assert(sk_out->refs != 0); |
24660963 JA |
143 | refs = --sk_out->refs; |
144 | sk_unlock(sk_out); | |
145 | ||
bce503fc JA |
146 | if (!refs) { |
147 | sk_out_free(sk_out); | |
c0d3245a | 148 | pthread_setspecific(sk_out_key, NULL); |
bce503fc JA |
149 | return 0; |
150 | } | |
151 | } | |
152 | ||
153 | return 1; | |
154 | } | |
155 | ||
156 | void sk_out_drop(void) | |
157 | { | |
158 | struct sk_out *sk_out; | |
24660963 | 159 | |
bce503fc | 160 | sk_out = pthread_getspecific(sk_out_key); |
c0d3245a | 161 | __sk_out_drop(sk_out); |
24660963 JA |
162 | } |
163 | ||
9d2c74d7 JA |
164 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
165 | uint32_t pdu_len, uint64_t tag) | |
166 | { | |
167 | memset(cmd, 0, sizeof(*cmd)); | |
168 | ||
169 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
170 | cmd->opcode = cpu_to_le16(opcode); | |
171 | cmd->tag = cpu_to_le64(tag); | |
172 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
173 | } | |
174 | ||
175 | ||
176 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
177 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
178 | { | |
179 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
180 | ||
181 | if (pdu) | |
182 | memcpy(&cmd->payload, pdu, pdu_len); | |
183 | } | |
184 | ||
89c1707c JA |
185 | const char *fio_server_op(unsigned int op) |
186 | { | |
187 | static char buf[32]; | |
188 | ||
189 | if (op < FIO_NET_CMD_NR) | |
190 | return fio_server_ops[op]; | |
191 | ||
192 | sprintf(buf, "UNKNOWN/%d", op); | |
193 | return buf; | |
194 | } | |
195 | ||
5235f626 | 196 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 197 | { |
5235f626 | 198 | ssize_t ret = 0; |
794d69ca | 199 | |
5235f626 JA |
200 | while (count--) { |
201 | ret += iov->iov_len; | |
202 | iov++; | |
203 | } | |
204 | ||
205 | return ret; | |
206 | } | |
132159a5 | 207 | |
5235f626 JA |
208 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
209 | { | |
210 | ssize_t total_len = iov_total_len(iov, count); | |
211 | ssize_t ret; | |
212 | ||
213 | do { | |
214 | ret = writev(sk, iov, count); | |
132159a5 | 215 | if (ret > 0) { |
5235f626 JA |
216 | total_len -= ret; |
217 | if (!total_len) | |
132159a5 | 218 | break; |
5235f626 JA |
219 | |
220 | while (ret) { | |
221 | if (ret >= iov->iov_len) { | |
222 | ret -= iov->iov_len; | |
223 | iov++; | |
224 | continue; | |
225 | } | |
226 | iov->iov_base += ret; | |
227 | iov->iov_len -= ret; | |
228 | ret = 0; | |
229 | } | |
132159a5 JA |
230 | } else if (!ret) |
231 | break; | |
232 | else if (errno == EAGAIN || errno == EINTR) | |
233 | continue; | |
7b821684 JA |
234 | else |
235 | break; | |
132159a5 JA |
236 | } while (!exit_backend); |
237 | ||
5235f626 | 238 | if (!total_len) |
132159a5 JA |
239 | return 0; |
240 | ||
241 | return 1; | |
242 | } | |
243 | ||
9d2c74d7 | 244 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
245 | { |
246 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
247 | ||
248 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
249 | ||
250 | return fio_sendv_data(sk, &iov, 1); | |
251 | } | |
252 | ||
0f836f39 | 253 | static int fio_recv_data(int sk, void *buf, unsigned int len, bool wait) |
132159a5 | 254 | { |
54e62ad4 | 255 | int flags; |
0f836f39 | 256 | char *p = buf; |
54e62ad4 JA |
257 | |
258 | if (wait) | |
259 | flags = MSG_WAITALL; | |
260 | else | |
bf67f422 | 261 | flags = OS_MSG_DONTWAIT; |
54e62ad4 | 262 | |
132159a5 | 263 | do { |
54e62ad4 | 264 | int ret = recv(sk, p, len, flags); |
132159a5 JA |
265 | |
266 | if (ret > 0) { | |
267 | len -= ret; | |
268 | if (!len) | |
269 | break; | |
270 | p += ret; | |
271 | continue; | |
272 | } else if (!ret) | |
273 | break; | |
54e62ad4 JA |
274 | else if (errno == EAGAIN || errno == EINTR) { |
275 | if (wait) | |
276 | continue; | |
277 | break; | |
278 | } else | |
7b821684 | 279 | break; |
132159a5 JA |
280 | } while (!exit_backend); |
281 | ||
282 | if (!len) | |
283 | return 0; | |
284 | ||
285 | return -1; | |
286 | } | |
287 | ||
288 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
289 | { | |
fcee5ff6 | 290 | uint16_t crc; |
132159a5 | 291 | |
fcee5ff6 JA |
292 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
293 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 294 | |
25dfa848 | 295 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 296 | if (crc != cmd->cmd_crc16) { |
132159a5 | 297 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 298 | cmd->cmd_crc16, crc); |
132159a5 JA |
299 | return 1; |
300 | } | |
301 | ||
302 | cmd->version = le16_to_cpu(cmd->version); | |
303 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
304 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 305 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
306 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
307 | ||
308 | switch (cmd->version) { | |
fa2ea806 | 309 | case FIO_SERVER_VER: |
132159a5 JA |
310 | break; |
311 | default: | |
312 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
313 | return 1; | |
314 | } | |
315 | ||
7c922795 JA |
316 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
317 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
318 | return 1; | |
319 | } | |
320 | ||
132159a5 JA |
321 | return 0; |
322 | } | |
323 | ||
a64e88da JA |
324 | /* |
325 | * Read (and defragment, if necessary) incoming commands | |
326 | */ | |
54e62ad4 | 327 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 328 | { |
dfbf1f6f | 329 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 330 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 331 | uint16_t crc; |
a64e88da JA |
332 | int ret, first = 1; |
333 | void *pdu = NULL; | |
132159a5 | 334 | |
a64e88da | 335 | do { |
54e62ad4 | 336 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
337 | if (ret) |
338 | break; | |
132159a5 | 339 | |
a64e88da JA |
340 | /* We have a command, verify it and swap if need be */ |
341 | ret = verify_convert_cmd(&cmd); | |
342 | if (ret) | |
343 | break; | |
132159a5 | 344 | |
0b8f30a5 JA |
345 | if (first) { |
346 | /* if this is text, add room for \0 at the end */ | |
347 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
348 | assert(!cmdret); | |
349 | } else | |
a64e88da | 350 | cmd_size += cmd.pdu_len; |
132159a5 | 351 | |
dfbf1f6f JA |
352 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
353 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
354 | ret = 1; | |
355 | break; | |
356 | } | |
357 | ||
358 | tmp = realloc(cmdret, cmd_size); | |
359 | if (!tmp) { | |
360 | log_err("fio: server failed allocating cmd\n"); | |
361 | ret = 1; | |
362 | break; | |
363 | } | |
364 | cmdret = tmp; | |
132159a5 | 365 | |
a64e88da JA |
366 | if (first) |
367 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
368 | else if (cmdret->opcode != cmd.opcode) { |
369 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
370 | cmdret->opcode, cmd.opcode); | |
371 | ret = 1; | |
372 | break; | |
373 | } | |
a64e88da JA |
374 | |
375 | if (!cmd.pdu_len) | |
376 | break; | |
377 | ||
378 | /* There's payload, get it */ | |
0f836f39 | 379 | pdu = (char *) cmdret->payload + pdu_offset; |
54e62ad4 | 380 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
381 | if (ret) |
382 | break; | |
383 | ||
384 | /* Verify payload crc */ | |
25dfa848 | 385 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
386 | if (crc != cmd.pdu_crc16) { |
387 | log_err("fio: server bad crc on payload "); | |
388 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
389 | ret = 1; | |
390 | break; | |
391 | } | |
392 | ||
393 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
394 | if (!first) |
395 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
396 | first = 0; |
397 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 398 | |
a64e88da JA |
399 | if (ret) { |
400 | free(cmdret); | |
401 | cmdret = NULL; | |
0b8f30a5 JA |
402 | } else if (cmdret) { |
403 | /* zero-terminate text input */ | |
084d1c6f JA |
404 | if (cmdret->pdu_len) { |
405 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
406 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
407 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 408 | |
8a1db9a1 | 409 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 410 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
411 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
412 | char *buf = (char *) __pdu->buf; | |
413 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 414 | |
46bcd498 | 415 | buf[len] = '\0'; |
084d1c6f | 416 | } |
0b8f30a5 | 417 | } |
084d1c6f | 418 | |
0b8f30a5 | 419 | /* frag flag is internal */ |
a64e88da | 420 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 421 | } |
a64e88da JA |
422 | |
423 | return cmdret; | |
132159a5 JA |
424 | } |
425 | ||
40c60516 JA |
426 | static void add_reply(uint64_t tag, struct flist_head *list) |
427 | { | |
a572bbfb | 428 | struct fio_net_cmd_reply *reply; |
40c60516 | 429 | |
a572bbfb | 430 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
431 | flist_add_tail(&reply->list, list); |
432 | } | |
433 | ||
434 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
435 | { | |
436 | struct fio_net_cmd_reply *reply; | |
437 | ||
438 | reply = calloc(1, sizeof(*reply)); | |
439 | INIT_FLIST_HEAD(&reply->list); | |
8b6a404c | 440 | fio_gettime(&reply->ts, NULL); |
40c60516 JA |
441 | reply->saved_tag = tag; |
442 | reply->opcode = opcode; | |
443 | ||
444 | return (uintptr_t) reply; | |
445 | } | |
446 | ||
447 | static void free_reply(uint64_t tag) | |
448 | { | |
a572bbfb | 449 | struct fio_net_cmd_reply *reply; |
40c60516 | 450 | |
a572bbfb | 451 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
452 | free(reply); |
453 | } | |
454 | ||
9d2c74d7 | 455 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
456 | { |
457 | uint32_t pdu_len; | |
458 | ||
25dfa848 | 459 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
460 | |
461 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
462 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
463 | } | |
464 | ||
9d2c74d7 | 465 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
466 | { |
467 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
468 | } |
469 | ||
af9c9fb3 | 470 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 471 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 472 | { |
7f868316 JA |
473 | struct fio_net_cmd *cmd = NULL; |
474 | size_t this_len, cur_len = 0; | |
40c60516 | 475 | uint64_t tag; |
794d69ca JA |
476 | int ret; |
477 | ||
40c60516 JA |
478 | if (list) { |
479 | assert(tagptr); | |
480 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
481 | } else | |
482 | tag = tagptr ? *tagptr : 0; | |
483 | ||
794d69ca JA |
484 | do { |
485 | this_len = size; | |
b9d2f30a JA |
486 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
487 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 488 | |
7f868316 JA |
489 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
490 | if (cmd) | |
491 | free(cmd); | |
492 | ||
493 | cur_len = sizeof(*cmd) + this_len; | |
494 | cmd = malloc(cur_len); | |
495 | } | |
794d69ca | 496 | |
af9c9fb3 | 497 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
498 | |
499 | if (this_len < size) | |
ddcc0b69 | 500 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
501 | |
502 | fio_net_cmd_crc(cmd); | |
503 | ||
504 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
505 | size -= this_len; |
506 | buf += this_len; | |
507 | } while (!ret && size); | |
508 | ||
40c60516 JA |
509 | if (list) { |
510 | if (ret) | |
511 | free_reply(tag); | |
512 | else | |
513 | add_reply(tag, list); | |
514 | } | |
515 | ||
7f868316 JA |
516 | if (cmd) |
517 | free(cmd); | |
518 | ||
794d69ca JA |
519 | return ret; |
520 | } | |
521 | ||
0cba0f91 JA |
522 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
523 | size_t size, uint64_t *tagptr, | |
524 | int flags) | |
f77d4b73 | 525 | { |
f77d4b73 JA |
526 | struct sk_entry *entry; |
527 | ||
528 | entry = smalloc(sizeof(*entry)); | |
e3500d99 JA |
529 | if (!entry) |
530 | return NULL; | |
531 | ||
02594e37 | 532 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
533 | entry->opcode = opcode; |
534 | if (flags & SK_F_COPY) { | |
535 | entry->buf = smalloc(size); | |
536 | memcpy(entry->buf, buf, size); | |
537 | } else | |
538 | entry->buf = buf; | |
bead01d7 | 539 | |
f77d4b73 | 540 | entry->size = size; |
28c7bcdf JA |
541 | if (tagptr) |
542 | entry->tag = *tagptr; | |
543 | else | |
544 | entry->tag = 0; | |
f77d4b73 | 545 | entry->flags = flags; |
02594e37 JA |
546 | return entry; |
547 | } | |
548 | ||
bead01d7 JA |
549 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
550 | ||
02594e37 JA |
551 | static void fio_net_queue_entry(struct sk_entry *entry) |
552 | { | |
553 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
554 | ||
bead01d7 JA |
555 | if (entry->flags & SK_F_INLINE) |
556 | handle_sk_entry(sk_out, entry); | |
557 | else { | |
558 | sk_lock(sk_out); | |
559 | flist_add_tail(&entry->list, &sk_out->list); | |
560 | sk_unlock(sk_out); | |
f77d4b73 | 561 | |
971caeb1 | 562 | fio_sem_up(&sk_out->wait); |
bead01d7 | 563 | } |
02594e37 | 564 | } |
f77d4b73 | 565 | |
02594e37 JA |
566 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
567 | uint64_t *tagptr, int flags) | |
568 | { | |
569 | struct sk_entry *entry; | |
570 | ||
571 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
81b3c86f JA |
572 | if (entry) { |
573 | fio_net_queue_entry(entry); | |
574 | return 0; | |
575 | } | |
576 | ||
577 | return 1; | |
f77d4b73 JA |
578 | } |
579 | ||
89c1707c | 580 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 581 | { |
178cde9f | 582 | struct fio_net_cmd cmd; |
132159a5 | 583 | |
af9c9fb3 | 584 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
585 | fio_net_cmd_crc(&cmd); |
586 | ||
587 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
588 | } | |
589 | ||
89c1707c JA |
590 | /* |
591 | * If 'list' is non-NULL, then allocate and store the sent command for | |
592 | * later verification. | |
593 | */ | |
594 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
595 | struct flist_head *list) | |
596 | { | |
89c1707c JA |
597 | int ret; |
598 | ||
40c60516 JA |
599 | if (list) |
600 | tag = alloc_reply(tag, opcode); | |
89c1707c | 601 | |
40c60516 | 602 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 603 | if (ret) { |
40c60516 JA |
604 | if (list) |
605 | free_reply(tag); | |
606 | ||
89c1707c JA |
607 | return ret; |
608 | } | |
609 | ||
40c60516 JA |
610 | if (list) |
611 | add_reply(tag, list); | |
612 | ||
89c1707c JA |
613 | return 0; |
614 | } | |
615 | ||
f77d4b73 JA |
616 | static int fio_net_queue_quit(void) |
617 | { | |
618 | dprint(FD_NET, "server: sending quit\n"); | |
619 | ||
b647a293 | 620 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
621 | } |
622 | ||
122c7725 | 623 | int fio_net_send_quit(int sk) |
437377e1 | 624 | { |
46c48f1f | 625 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 626 | |
8c95307b | 627 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
628 | } |
629 | ||
f77d4b73 | 630 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 631 | { |
11e950bd | 632 | struct cmd_end_pdu epdu; |
f58bd2a4 | 633 | uint64_t tag = 0; |
122c7725 | 634 | |
f58bd2a4 JA |
635 | if (cmd) |
636 | tag = cmd->tag; | |
122c7725 JA |
637 | |
638 | epdu.error = __cpu_to_le32(error); | |
639 | epdu.signal = __cpu_to_le32(signal); | |
b647a293 | 640 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
641 | } |
642 | ||
f77d4b73 | 643 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
644 | { |
645 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 646 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
647 | } |
648 | ||
649 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
650 | { | |
651 | struct fio_fork_item *ffi; | |
652 | ||
653 | ffi = malloc(sizeof(*ffi)); | |
654 | ffi->exitval = 0; | |
655 | ffi->signal = 0; | |
656 | ffi->exited = 0; | |
657 | ffi->pid = pid; | |
658 | flist_add_tail(&ffi->list, list); | |
659 | } | |
660 | ||
6348b5de | 661 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 662 | { |
a7533dbd | 663 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 664 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
665 | } |
666 | ||
6348b5de | 667 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 668 | { |
a7533dbd | 669 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 670 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
671 | } |
672 | ||
673 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
674 | { | |
675 | int ret, status; | |
676 | ||
677 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
678 | if (ret < 0) { | |
679 | if (errno == ECHILD) { | |
a7533dbd | 680 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
681 | ffi->exited = 1; |
682 | } else | |
683 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
684 | } else if (ret == ffi->pid) { | |
685 | if (WIFSIGNALED(status)) { | |
686 | ffi->signal = WTERMSIG(status); | |
687 | ffi->exited = 1; | |
688 | } | |
689 | if (WIFEXITED(status)) { | |
690 | if (WEXITSTATUS(status)) | |
691 | ffi->exitval = WEXITSTATUS(status); | |
692 | ffi->exited = 1; | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
f77d4b73 | 697 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 698 | { |
a7533dbd | 699 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
700 | |
701 | /* | |
702 | * Fold STOP and QUIT... | |
703 | */ | |
f77d4b73 JA |
704 | if (stop) { |
705 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
706 | fio_net_queue_quit(); | |
707 | } | |
708 | ||
122c7725 JA |
709 | flist_del(&ffi->list); |
710 | free(ffi); | |
711 | } | |
712 | ||
f77d4b73 | 713 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
714 | { |
715 | struct flist_head *entry, *tmp; | |
716 | struct fio_fork_item *ffi; | |
717 | ||
718 | flist_for_each_safe(entry, tmp, list) { | |
719 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
720 | ||
721 | fio_server_check_fork_item(ffi); | |
722 | ||
723 | if (ffi->exited) | |
f77d4b73 | 724 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
725 | } |
726 | } | |
727 | ||
6348b5de | 728 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 729 | { |
f77d4b73 | 730 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
731 | } |
732 | ||
6348b5de | 733 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 734 | { |
f77d4b73 | 735 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
736 | } |
737 | ||
323255cc JA |
738 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
739 | { | |
740 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
741 | void *file_name = pdu->file; | |
742 | struct cmd_start_pdu spdu; | |
743 | ||
744 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
745 | ||
746 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
747 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
748 | ||
749 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 750 | fio_net_queue_quit(); |
323255cc JA |
751 | return -1; |
752 | } | |
753 | ||
754 | spdu.jobs = cpu_to_le32(thread_number); | |
755 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 756 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
757 | return 0; |
758 | } | |
759 | ||
f77d4b73 JA |
760 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
761 | struct fio_net_cmd *cmd) | |
122c7725 JA |
762 | { |
763 | pid_t pid; | |
a64e88da | 764 | int ret; |
132159a5 | 765 | |
c0d3245a JA |
766 | sk_out_assign(sk_out); |
767 | ||
cbb1303c | 768 | fio_time_init(); |
122c7725 | 769 | set_genesis_time(); |
11e950bd | 770 | |
122c7725 JA |
771 | pid = fork(); |
772 | if (pid) { | |
6348b5de | 773 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
774 | return 0; |
775 | } | |
11e950bd | 776 | |
24660963 | 777 | ret = fio_backend(sk_out); |
2bb3f0a7 | 778 | free_threads_shm(); |
c0d3245a | 779 | sk_out_drop(); |
122c7725 | 780 | _exit(ret); |
81179eec JA |
781 | } |
782 | ||
b9d2f30a JA |
783 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
784 | { | |
46bcd498 JA |
785 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
786 | void *buf = pdu->buf; | |
b9d2f30a JA |
787 | struct cmd_start_pdu spdu; |
788 | ||
46bcd498 JA |
789 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
790 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
791 | ||
792 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 793 | fio_net_queue_quit(); |
b9d2f30a JA |
794 | return -1; |
795 | } | |
796 | ||
797 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 798 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
799 | |
800 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
801 | return 0; |
802 | } | |
803 | ||
81179eec JA |
804 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
805 | { | |
fa2ea806 JA |
806 | void *pdu = cmd->payload; |
807 | struct cmd_single_line_pdu *cslp; | |
808 | struct cmd_line_pdu *clp; | |
809 | unsigned long offset; | |
b9d2f30a | 810 | struct cmd_start_pdu spdu; |
fa2ea806 | 811 | char **argv; |
b9d2f30a | 812 | int i; |
81179eec | 813 | |
fa2ea806 JA |
814 | clp = pdu; |
815 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 816 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
817 | argv = malloc(clp->lines * sizeof(char *)); |
818 | offset = sizeof(*clp); | |
81179eec | 819 | |
fa2ea806 | 820 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 821 | |
fa2ea806 JA |
822 | for (i = 0; i < clp->lines; i++) { |
823 | cslp = pdu + offset; | |
824 | argv[i] = (char *) cslp->text; | |
825 | ||
826 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
827 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
828 | } | |
81179eec | 829 | |
46bcd498 | 830 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 831 | fio_net_queue_quit(); |
fa2ea806 | 832 | free(argv); |
81179eec | 833 | return -1; |
e6d1c668 | 834 | } |
81179eec | 835 | |
fa2ea806 JA |
836 | free(argv); |
837 | ||
b9d2f30a | 838 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 839 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
840 | |
841 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 842 | return 0; |
132159a5 JA |
843 | } |
844 | ||
c28e8e8c JA |
845 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
846 | { | |
3989b143 | 847 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
40c60516 | 848 | uint64_t tag = cmd->tag; |
f4937575 JA |
849 | struct cmd_probe_reply_pdu probe = { |
850 | #ifdef CONFIG_BIG_ENDIAN | |
851 | .bigendian = 1, | |
852 | #endif | |
853 | .os = FIO_OS, | |
854 | .arch = FIO_ARCH, | |
855 | .bpp = sizeof(void *), | |
856 | .cpus = __cpu_to_le32(cpus_online()), | |
857 | }; | |
c28e8e8c | 858 | |
89c1707c JA |
859 | dprint(FD_NET, "server: sending probe reply\n"); |
860 | ||
ca09be4b JA |
861 | strcpy(me, (char *) pdu->server); |
862 | ||
c28e8e8c | 863 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); |
13a85be9 | 864 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version) - 1); |
c28e8e8c | 865 | |
3989b143 JA |
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 | ||
785a0e21 | 954 | static int handle_trigger_cmd(struct fio_net_cmd *cmd, struct flist_head *job_list) |
ca09be4b JA |
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); |
785a0e21 | 974 | fio_server_check_jobs(job_list); |
ca09be4b JA |
975 | exec_trigger(buf); |
976 | return 0; | |
977 | } | |
978 | ||
f77d4b73 JA |
979 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
980 | struct fio_net_cmd *cmd) | |
132159a5 JA |
981 | { |
982 | int ret; | |
983 | ||
4b91ee8f JA |
984 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
985 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
986 | (unsigned long long) cmd->tag); | |
46c48f1f | 987 | |
132159a5 JA |
988 | switch (cmd->opcode) { |
989 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 990 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
991 | ret = 0; |
992 | break; | |
d7959186 | 993 | case FIO_NET_CMD_EXIT: |
132159a5 | 994 | exit_backend = 1; |
c28e8e8c | 995 | return -1; |
323255cc JA |
996 | case FIO_NET_CMD_LOAD_FILE: |
997 | ret = handle_load_file_cmd(cmd); | |
998 | break; | |
132159a5 | 999 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1000 | ret = handle_job_cmd(cmd); |
132159a5 | 1001 | break; |
81179eec JA |
1002 | case FIO_NET_CMD_JOBLINE: |
1003 | ret = handle_jobline_cmd(cmd); | |
1004 | break; | |
c28e8e8c JA |
1005 | case FIO_NET_CMD_PROBE: |
1006 | ret = handle_probe_cmd(cmd); | |
1007 | break; | |
af9c9fb3 JA |
1008 | case FIO_NET_CMD_SEND_ETA: |
1009 | ret = handle_send_eta_cmd(cmd); | |
1010 | break; | |
b9d2f30a | 1011 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1012 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1013 | break; |
f58bd2a4 JA |
1014 | case FIO_NET_CMD_UPDATE_JOB: |
1015 | ret = handle_update_job_cmd(cmd); | |
1016 | break; | |
ca09be4b | 1017 | case FIO_NET_CMD_VTRIGGER: |
785a0e21 | 1018 | ret = handle_trigger_cmd(cmd, job_list); |
ca09be4b JA |
1019 | break; |
1020 | case FIO_NET_CMD_SENDFILE: { | |
1021 | struct cmd_sendfile_reply *in; | |
1022 | struct cmd_reply *rep; | |
1023 | ||
1024 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1025 | ||
1026 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1027 | in->size = le32_to_cpu(in->size); | |
1028 | in->error = le32_to_cpu(in->error); | |
1029 | if (in->error) { | |
1030 | ret = 1; | |
1031 | rep->error = in->error; | |
1032 | } else { | |
1033 | ret = 0; | |
1034 | rep->data = smalloc(in->size); | |
1035 | if (!rep->data) { | |
1036 | ret = 1; | |
1037 | rep->error = ENOMEM; | |
1038 | } else { | |
1039 | rep->size = in->size; | |
1040 | memcpy(rep->data, in->data, in->size); | |
1041 | } | |
1042 | } | |
971caeb1 | 1043 | fio_sem_up(&rep->lock); |
ca09be4b JA |
1044 | break; |
1045 | } | |
132159a5 | 1046 | default: |
3c3ed070 | 1047 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1048 | ret = 1; |
1049 | } | |
1050 | ||
1051 | return ret; | |
1052 | } | |
1053 | ||
02594e37 JA |
1054 | /* |
1055 | * Send a command with a separate PDU, not inlined in the command | |
1056 | */ | |
1057 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1058 | off_t size, uint64_t tag, uint32_t flags) | |
1059 | { | |
1060 | struct fio_net_cmd cmd; | |
1061 | struct iovec iov[2]; | |
7c922795 JA |
1062 | size_t this_len; |
1063 | int ret; | |
02594e37 JA |
1064 | |
1065 | iov[0].iov_base = (void *) &cmd; | |
1066 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1067 | |
7c922795 JA |
1068 | do { |
1069 | uint32_t this_flags = flags; | |
1070 | ||
1071 | this_len = size; | |
1072 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1073 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1074 | ||
1075 | if (this_len < size) | |
1076 | this_flags |= FIO_NET_CMD_F_MORE; | |
1077 | ||
1078 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1079 | cmd.flags = __cpu_to_le32(this_flags); | |
1080 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1081 | |
7c922795 JA |
1082 | iov[1].iov_base = (void *) buf; |
1083 | iov[1].iov_len = this_len; | |
1084 | ||
1085 | ret = fio_sendv_data(sk, iov, 2); | |
1086 | size -= this_len; | |
1087 | buf += this_len; | |
1088 | } while (!ret && size); | |
1089 | ||
1090 | return ret; | |
02594e37 JA |
1091 | } |
1092 | ||
1093 | static void finish_entry(struct sk_entry *entry) | |
1094 | { | |
1095 | if (entry->flags & SK_F_FREE) | |
1096 | free(entry->buf); | |
1097 | else if (entry->flags & SK_F_COPY) | |
1098 | sfree(entry->buf); | |
1099 | ||
1100 | sfree(entry); | |
1101 | } | |
1102 | ||
ba1891d2 JA |
1103 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1104 | unsigned int *flags) | |
02594e37 | 1105 | { |
b3882320 JA |
1106 | if (!flist_empty(list)) |
1107 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1108 | else |
b3882320 | 1109 | *flags = 0; |
b3882320 | 1110 | } |
02594e37 | 1111 | |
b3882320 JA |
1112 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1113 | { | |
1114 | unsigned int flags; | |
b3882320 JA |
1115 | int ret; |
1116 | ||
ba1891d2 | 1117 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1118 | |
ba1891d2 JA |
1119 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1120 | first->size, first->tag, flags); | |
02594e37 JA |
1121 | |
1122 | while (!flist_empty(&first->next)) { | |
1123 | struct sk_entry *next; | |
1124 | ||
1125 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1126 | flist_del_init(&next->list); | |
02594e37 | 1127 | |
ba1891d2 | 1128 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1129 | |
ba1891d2 JA |
1130 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1131 | next->size, next->tag, flags); | |
02594e37 JA |
1132 | finish_entry(next); |
1133 | } | |
b3882320 JA |
1134 | |
1135 | return ret; | |
02594e37 JA |
1136 | } |
1137 | ||
b3882320 | 1138 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1139 | { |
b3882320 JA |
1140 | int ret; |
1141 | ||
971caeb1 | 1142 | fio_sem_down(&sk_out->xmit); |
bead01d7 | 1143 | |
02594e37 | 1144 | if (entry->flags & SK_F_VEC) |
b3882320 | 1145 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1146 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1147 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1148 | entry->tag, NULL); | |
dfc8e76c JA |
1149 | } else { |
1150 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1151 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1152 | } |
b3882320 | 1153 | |
971caeb1 | 1154 | fio_sem_up(&sk_out->xmit); |
bead01d7 | 1155 | |
b3882320 JA |
1156 | if (ret) |
1157 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1158 | |
02594e37 | 1159 | finish_entry(entry); |
b3882320 | 1160 | return ret; |
f77d4b73 JA |
1161 | } |
1162 | ||
b3882320 | 1163 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1164 | { |
1165 | struct sk_entry *entry; | |
1166 | FLIST_HEAD(list); | |
b3882320 | 1167 | int ret = 0; |
f77d4b73 JA |
1168 | |
1169 | sk_lock(sk_out); | |
1170 | if (flist_empty(&sk_out->list)) { | |
1171 | sk_unlock(sk_out); | |
b3882320 | 1172 | return 0; |
f77d4b73 JA |
1173 | } |
1174 | ||
1175 | flist_splice_init(&sk_out->list, &list); | |
1176 | sk_unlock(sk_out); | |
1177 | ||
1178 | while (!flist_empty(&list)) { | |
1179 | entry = flist_entry(list.next, struct sk_entry, list); | |
1180 | flist_del(&entry->list); | |
b3882320 | 1181 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1182 | } |
b3882320 JA |
1183 | |
1184 | return ret; | |
f77d4b73 JA |
1185 | } |
1186 | ||
1187 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1188 | { |
1189 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1190 | FLIST_HEAD(job_list); |
132159a5 JA |
1191 | int ret = 0; |
1192 | ||
122c7725 | 1193 | reset_fio_state(); |
122c7725 | 1194 | |
132159a5 JA |
1195 | /* read forever */ |
1196 | while (!exit_backend) { | |
e951bdc4 | 1197 | struct pollfd pfd = { |
f77d4b73 | 1198 | .fd = sk_out->sk, |
e951bdc4 JA |
1199 | .events = POLLIN, |
1200 | }; | |
1201 | ||
e951bdc4 | 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); |
971caeb1 | 1218 | fio_sem_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 | |
87c6f22b | 1361 | sk_out = scalloc(1, sizeof(*sk_out)); |
e3500d99 JA |
1362 | if (!sk_out) { |
1363 | close(sk); | |
1364 | return -1; | |
1365 | } | |
1366 | ||
f77d4b73 | 1367 | sk_out->sk = sk; |
bce503fc | 1368 | INIT_FLIST_HEAD(&sk_out->list); |
971caeb1 BVA |
1369 | __fio_sem_init(&sk_out->lock, FIO_SEM_UNLOCKED); |
1370 | __fio_sem_init(&sk_out->wait, FIO_SEM_LOCKED); | |
1371 | __fio_sem_init(&sk_out->xmit, FIO_SEM_UNLOCKED); | |
f77d4b73 | 1372 | |
122c7725 JA |
1373 | pid = fork(); |
1374 | if (pid) { | |
1375 | close(sk); | |
6348b5de | 1376 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1377 | continue; |
1378 | } | |
5c341e9a | 1379 | |
0ae6acea JA |
1380 | /* if error, it's already logged, non-fatal */ |
1381 | get_my_addr_str(sk); | |
1382 | ||
1383 | /* | |
1384 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1385 | * since that function calls _exit() when done | |
1386 | */ | |
bce503fc | 1387 | sk_out_assign(sk_out); |
f77d4b73 | 1388 | handle_connection(sk_out); |
122c7725 | 1389 | } |
5c341e9a | 1390 | |
132159a5 | 1391 | return exitval; |
50d16976 JA |
1392 | } |
1393 | ||
084d1c6f | 1394 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1395 | { |
f77d4b73 | 1396 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1397 | struct cmd_text_pdu *pdu; |
1398 | unsigned int tlen; | |
1399 | struct timeval tv; | |
1400 | ||
f77d4b73 | 1401 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1402 | return -1; |
084d1c6f JA |
1403 | |
1404 | tlen = sizeof(*pdu) + len; | |
1405 | pdu = malloc(tlen); | |
1406 | ||
1407 | pdu->level = __cpu_to_le32(level); | |
1408 | pdu->buf_len = __cpu_to_le32(len); | |
1409 | ||
1410 | gettimeofday(&tv, NULL); | |
1411 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1412 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1413 | |
084d1c6f JA |
1414 | memcpy(pdu->buf, buf, len); |
1415 | ||
f77d4b73 | 1416 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1417 | free(pdu); |
1418 | return len; | |
142575e6 JA |
1419 | } |
1420 | ||
a64e88da JA |
1421 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1422 | { | |
1423 | dst->max_val = cpu_to_le64(src->max_val); | |
1424 | dst->min_val = cpu_to_le64(src->min_val); | |
1425 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1426 | |
1427 | /* | |
1428 | * Encode to IEEE 754 for network transfer | |
1429 | */ | |
e5c9093d JA |
1430 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1431 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1432 | } |
1433 | ||
1434 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1435 | { | |
1436 | int i; | |
1437 | ||
298921d6 | 1438 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1439 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1440 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1441 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1442 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
af7f87cb | 1443 | dst->iobytes[i] = cpu_to_le64(src->iobytes[i]); |
a64e88da JA |
1444 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
1445 | } | |
1446 | ||
1447 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1448 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1449 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1450 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
18aa1998 | 1451 | dst->sig_figs = cpu_to_le32(src->sig_figs); |
a64e88da JA |
1452 | } |
1453 | ||
1454 | /* | |
1455 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1456 | * into a single payload. | |
1457 | */ | |
1458 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1459 | { | |
1460 | struct cmd_ts_pdu p; | |
1461 | int i, j; | |
bb49c8bd VF |
1462 | void *ss_buf; |
1463 | uint64_t *ss_iops, *ss_bw; | |
a64e88da | 1464 | |
60efd14e JA |
1465 | dprint(FD_NET, "server sending end stats\n"); |
1466 | ||
317b3c8b JA |
1467 | memset(&p, 0, sizeof(p)); |
1468 | ||
4e59d0f3 JA |
1469 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1470 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1471 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1472 | |
2f122b13 JA |
1473 | p.ts.error = cpu_to_le32(ts->error); |
1474 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1475 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1476 | p.ts.pid = cpu_to_le32(ts->pid); | |
1477 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1478 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1479 | |
298921d6 | 1480 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1481 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1482 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1483 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1484 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
188b6016 | 1485 | convert_io_stat(&p.ts.iops_stat[i], &ts->iops_stat[i]); |
a64e88da JA |
1486 | } |
1487 | ||
1488 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1489 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1490 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1491 | p.ts.minf = cpu_to_le64(ts->minf); | |
1492 | p.ts.majf = cpu_to_le64(ts->majf); | |
b599759b JA |
1493 | p.ts.clat_percentiles = cpu_to_le32(ts->clat_percentiles); |
1494 | p.ts.lat_percentiles = cpu_to_le32(ts->lat_percentiles); | |
988d97ba | 1495 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1496 | |
1497 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1498 | fio_fp64_t *src = &ts->percentile_list[i]; |
1499 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1500 | |
e5c9093d | 1501 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1502 | } |
a64e88da JA |
1503 | |
1504 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
6cc0e5aa AL |
1505 | p.ts.io_u_map[i] = cpu_to_le64(ts->io_u_map[i]); |
1506 | p.ts.io_u_submit[i] = cpu_to_le64(ts->io_u_submit[i]); | |
1507 | p.ts.io_u_complete[i] = cpu_to_le64(ts->io_u_complete[i]); | |
a64e88da JA |
1508 | } |
1509 | ||
d6bb626e | 1510 | for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) |
6cc0e5aa | 1511 | p.ts.io_u_lat_n[i] = cpu_to_le64(ts->io_u_lat_n[i]); |
d279fccc | 1512 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
6cc0e5aa | 1513 | p.ts.io_u_lat_u[i] = cpu_to_le64(ts->io_u_lat_u[i]); |
d279fccc | 1514 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
6cc0e5aa | 1515 | p.ts.io_u_lat_m[i] = cpu_to_le64(ts->io_u_lat_m[i]); |
a64e88da | 1516 | |
298921d6 | 1517 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da | 1518 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
6cc0e5aa | 1519 | p.ts.io_u_plat[i][j] = cpu_to_le64(ts->io_u_plat[i][j]); |
a64e88da | 1520 | |
78799deb | 1521 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1522 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1523 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1524 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1525 | } |
1526 | ||
93eee04a | 1527 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1528 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1529 | ||
298921d6 | 1530 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1531 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1532 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1533 | } | |
1534 | ||
1535 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1536 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1537 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1538 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1539 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1540 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1541 | |
3e260a46 JA |
1542 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1543 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1544 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1545 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1546 | |
e883cb35 JF |
1547 | p.ts.sig_figs = cpu_to_le32(ts->sig_figs); |
1548 | ||
6cd44635 | 1549 | p.ts.nr_block_infos = cpu_to_le64(ts->nr_block_infos); |
66347cfa | 1550 | for (i = 0; i < p.ts.nr_block_infos; i++) |
6cd44635 | 1551 | p.ts.block_infos[i] = cpu_to_le32(ts->block_infos[i]); |
66347cfa | 1552 | |
bb49c8bd VF |
1553 | p.ts.ss_dur = cpu_to_le64(ts->ss_dur); |
1554 | p.ts.ss_state = cpu_to_le32(ts->ss_state); | |
1555 | p.ts.ss_head = cpu_to_le32(ts->ss_head); | |
bb49c8bd VF |
1556 | p.ts.ss_limit.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_limit.u.f)); |
1557 | p.ts.ss_slope.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_slope.u.f)); | |
1558 | p.ts.ss_deviation.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_deviation.u.f)); | |
1559 | p.ts.ss_criterion.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_criterion.u.f)); | |
1560 | ||
a64e88da JA |
1561 | convert_gs(&p.rs, rs); |
1562 | ||
bb49c8bd | 1563 | dprint(FD_NET, "ts->ss_state = %d\n", ts->ss_state); |
c8caba48 | 1564 | if (ts->ss_state & FIO_SS_DATA) { |
bb49c8bd VF |
1565 | dprint(FD_NET, "server sending steadystate ring buffers\n"); |
1566 | ||
1567 | ss_buf = malloc(sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t)); | |
1568 | ||
1569 | memcpy(ss_buf, &p, sizeof(p)); | |
1570 | ||
1571 | ss_iops = (uint64_t *) ((struct cmd_ts_pdu *)ss_buf + 1); | |
1572 | ss_bw = ss_iops + (int) ts->ss_dur; | |
1573 | for (i = 0; i < ts->ss_dur; i++) { | |
1574 | ss_iops[i] = cpu_to_le64(ts->ss_iops_data[i]); | |
1575 | ss_bw[i] = cpu_to_le64(ts->ss_bw_data[i]); | |
1576 | } | |
1577 | ||
1578 | fio_net_queue_cmd(FIO_NET_CMD_TS, ss_buf, sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t), NULL, SK_F_COPY); | |
1579 | ||
1580 | free(ss_buf); | |
1581 | } | |
1582 | else | |
1583 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); | |
a64e88da JA |
1584 | } |
1585 | ||
1586 | void fio_server_send_gs(struct group_run_stats *rs) | |
1587 | { | |
1588 | struct group_run_stats gs; | |
1589 | ||
60efd14e JA |
1590 | dprint(FD_NET, "server sending group run stats\n"); |
1591 | ||
a64e88da | 1592 | convert_gs(&gs, rs); |
f77d4b73 | 1593 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1594 | } |
1595 | ||
0279b880 | 1596 | void fio_server_send_job_options(struct flist_head *opt_list, |
a43f4461 | 1597 | unsigned int gid) |
0279b880 JA |
1598 | { |
1599 | struct cmd_job_option pdu; | |
1600 | struct flist_head *entry; | |
1601 | ||
1602 | if (flist_empty(opt_list)) | |
1603 | return; | |
1604 | ||
1605 | flist_for_each(entry, opt_list) { | |
1606 | struct print_option *p; | |
bc0fec0e | 1607 | size_t len; |
0279b880 JA |
1608 | |
1609 | p = flist_entry(entry, struct print_option, list); | |
1610 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1611 | |
a43f4461 | 1612 | if (gid == -1U) { |
0279b880 JA |
1613 | pdu.global = __cpu_to_le16(1); |
1614 | pdu.groupid = 0; | |
1615 | } else { | |
1616 | pdu.global = 0; | |
a43f4461 | 1617 | pdu.groupid = cpu_to_le32(gid); |
bc0fec0e JA |
1618 | } |
1619 | len = strlen(p->name); | |
1620 | if (len >= sizeof(pdu.name)) { | |
1621 | len = sizeof(pdu.name) - 1; | |
1622 | pdu.truncated = __cpu_to_le16(1); | |
1623 | } | |
1624 | memcpy(pdu.name, p->name, len); | |
1625 | if (p->value) { | |
1626 | len = strlen(p->value); | |
1627 | if (len >= sizeof(pdu.value)) { | |
1628 | len = sizeof(pdu.value) - 1; | |
1629 | pdu.truncated = __cpu_to_le16(1); | |
1630 | } | |
1631 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1632 | } |
0279b880 JA |
1633 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1634 | } | |
1635 | } | |
1636 | ||
d09a64a0 JA |
1637 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1638 | { | |
1639 | int i; | |
1640 | ||
1641 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1642 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1643 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1644 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1645 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1646 | } |
1647 | ||
504bc961 JA |
1648 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1649 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1650 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1651 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1652 | } |
1653 | ||
1654 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1655 | { | |
1656 | int i; | |
1657 | ||
59140421 JA |
1658 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1659 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1660 | |
1661 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1662 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1663 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1664 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1665 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1666 | } |
1667 | ||
504bc961 JA |
1668 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1669 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1670 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1671 | } |
1672 | ||
1673 | void fio_server_send_du(void) | |
1674 | { | |
1675 | struct disk_util *du; | |
1676 | struct flist_head *entry; | |
1677 | struct cmd_du_pdu pdu; | |
1678 | ||
1679 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1680 | ||
0766d92e JA |
1681 | memset(&pdu, 0, sizeof(pdu)); |
1682 | ||
d09a64a0 JA |
1683 | flist_for_each(entry, &disk_list) { |
1684 | du = flist_entry(entry, struct disk_util, list); | |
1685 | ||
1686 | convert_dus(&pdu.dus, &du->dus); | |
1687 | convert_agg(&pdu.agg, &du->agg); | |
1688 | ||
f77d4b73 | 1689 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1690 | } |
1691 | } | |
1692 | ||
3989b143 | 1693 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1694 | |
1695 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1696 | struct sk_entry **last_entry, | |
1697 | struct sk_entry *first) | |
1698 | { | |
1699 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1700 | ||
1701 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1702 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1703 | if (*last_entry) |
1704 | flist_add_tail(&(*last_entry)->list, &first->next); | |
868f6f03 KC |
1705 | } |
1706 | ||
1707 | /* | |
1708 | * Deflates the next input given, creating as many new packets in the | |
1709 | * linked list as necessary. | |
1710 | */ | |
1711 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1712 | struct sk_entry **last_entry, z_stream *stream, | |
1713 | struct sk_entry *first) | |
1714 | { | |
1715 | int ret; | |
1716 | ||
1717 | stream->next_in = next_in; | |
1718 | stream->avail_in = next_sz; | |
1719 | do { | |
1620bb93 | 1720 | if (!stream->avail_out) { |
868f6f03 | 1721 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); |
1620bb93 JA |
1722 | if (*last_entry == NULL) |
1723 | return 1; | |
868f6f03 KC |
1724 | |
1725 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1726 | ||
1727 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1728 | stream->next_out = *out_pdu; | |
1729 | } | |
1730 | ||
1731 | ret = deflate(stream, Z_BLOCK); | |
1732 | ||
1733 | if (ret < 0) { | |
1734 | free(*out_pdu); | |
1735 | return 1; | |
1736 | } | |
1737 | } while (stream->avail_in); | |
1738 | ||
1739 | return 0; | |
1740 | } | |
1741 | ||
1742 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1743 | struct io_logs *cur_log, z_stream *stream) | |
1744 | { | |
1745 | struct sk_entry *entry; | |
1746 | void *out_pdu; | |
1747 | int ret, i, j; | |
1748 | int sample_sz = log_entry_sz(log); | |
1749 | ||
1750 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1751 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1752 | stream->next_out = out_pdu; | |
1753 | ||
1754 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1755 | struct io_sample *s; | |
1756 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
6cc0e5aa | 1757 | uint64_t *cur_plat, *prev_plat; |
868f6f03 KC |
1758 | |
1759 | s = get_sample(log, cur_log, i); | |
1760 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1761 | if (ret) | |
1762 | return ret; | |
1763 | ||
1764 | /* Do the subtraction on server side so that client doesn't have to | |
1765 | * reconstruct our linked list from packets. | |
1766 | */ | |
af2fde19 | 1767 | cur_plat_entry = s->data.plat_entry; |
868f6f03 KC |
1768 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); |
1769 | cur_plat = cur_plat_entry->io_u_plat; | |
1770 | prev_plat = prev_plat_entry->io_u_plat; | |
1771 | ||
1772 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1773 | cur_plat[j] -= prev_plat[j]; | |
1774 | } | |
1775 | ||
1776 | flist_del(&prev_plat_entry->list); | |
1777 | free(prev_plat_entry); | |
1778 | ||
1779 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1780 | &out_pdu, &entry, stream, first); | |
1781 | ||
1782 | if (ret) | |
1783 | return ret; | |
1784 | } | |
1785 | ||
1786 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1620bb93 | 1787 | return entry == NULL; |
868f6f03 KC |
1788 | } |
1789 | ||
7e419452 JA |
1790 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1791 | struct io_logs *cur_log, z_stream *stream) | |
1792 | { | |
e35fb4c4 | 1793 | unsigned int this_len; |
1b42725f | 1794 | void *out_pdu; |
7e419452 | 1795 | int ret; |
1b42725f | 1796 | |
868f6f03 KC |
1797 | if (log->log_type == IO_LOG_TYPE_HIST) |
1798 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1799 | ||
7e419452 JA |
1800 | stream->next_in = (void *) cur_log->log; |
1801 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1802 | |
1803 | do { | |
e35fb4c4 | 1804 | struct sk_entry *entry; |
1b42725f | 1805 | |
7e419452 JA |
1806 | /* |
1807 | * Dirty - since the log is potentially huge, compress it into | |
1808 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1809 | * side defragment it. | |
1810 | */ | |
1811 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1812 | ||
1813 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1814 | stream->next_out = out_pdu; | |
e35fb4c4 | 1815 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1816 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1817 | if (ret < 0) { |
1818 | free(out_pdu); | |
1819 | return 1; | |
1820 | } | |
1b42725f | 1821 | |
7e419452 | 1822 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1823 | |
02594e37 | 1824 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1825 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1620bb93 JA |
1826 | if (!entry) { |
1827 | free(out_pdu); | |
1828 | return 1; | |
1829 | } | |
02594e37 | 1830 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1831 | } while (stream->avail_in); |
1832 | ||
1833 | return 0; | |
1834 | } | |
1835 | ||
1836 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1837 | { | |
f4937575 JA |
1838 | z_stream stream = { |
1839 | .zalloc = Z_NULL, | |
1840 | .zfree = Z_NULL, | |
1841 | .opaque = Z_NULL, | |
1842 | }; | |
7e419452 | 1843 | int ret = 0; |
7e419452 JA |
1844 | |
1845 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1846 | return 1; | |
1847 | ||
1848 | while (!flist_empty(&log->io_logs)) { | |
1849 | struct io_logs *cur_log; | |
1850 | ||
1851 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1852 | flist_del_init(&cur_log->list); | |
1853 | ||
1854 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1855 | if (ret) | |
1856 | break; | |
1857 | } | |
1b42725f | 1858 | |
e35fb4c4 JA |
1859 | ret = deflate(&stream, Z_FINISH); |
1860 | ||
1861 | while (ret != Z_STREAM_END) { | |
1862 | struct sk_entry *entry; | |
1863 | unsigned int this_len; | |
1864 | void *out_pdu; | |
1865 | ||
1866 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1867 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1868 | stream.next_out = out_pdu; | |
1869 | ||
1870 | ret = deflate(&stream, Z_FINISH); | |
1871 | /* may be Z_OK, or Z_STREAM_END */ | |
1872 | if (ret < 0) { | |
1873 | free(out_pdu); | |
1874 | break; | |
1875 | } | |
1876 | ||
1877 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1878 | ||
1879 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1880 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1881 | if (!entry) { |
1882 | free(out_pdu); | |
1883 | break; | |
1884 | } | |
e35fb4c4 JA |
1885 | flist_add_tail(&entry->list, &first->next); |
1886 | } while (ret != Z_STREAM_END); | |
1887 | ||
1888 | ret = deflateEnd(&stream); | |
1889 | if (ret == Z_OK) | |
1890 | return 0; | |
1891 | ||
1892 | return 1; | |
1b42725f | 1893 | } |
7e419452 JA |
1894 | #else |
1895 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1896 | { | |
1897 | return 1; | |
1898 | } | |
1899 | #endif | |
1b42725f | 1900 | |
dfc8e76c | 1901 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1902 | { |
1903 | struct sk_entry *entry; | |
1904 | struct flist_head *node; | |
1620bb93 | 1905 | int ret = 0; |
0cba0f91 JA |
1906 | |
1907 | pthread_mutex_lock(&log->chunk_lock); | |
1908 | flist_for_each(node, &log->chunk_list) { | |
1909 | struct iolog_compress *c; | |
1910 | ||
1911 | c = flist_entry(node, struct iolog_compress, list); | |
1912 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1913 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1914 | if (!entry) { |
1915 | ret = 1; | |
1916 | break; | |
1917 | } | |
0cba0f91 JA |
1918 | flist_add_tail(&entry->list, &first->next); |
1919 | } | |
1920 | pthread_mutex_unlock(&log->chunk_lock); | |
1620bb93 | 1921 | return ret; |
0cba0f91 JA |
1922 | } |
1923 | ||
dfc8e76c JA |
1924 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1925 | { | |
1926 | struct sk_entry *entry; | |
1620bb93 | 1927 | int ret = 0; |
dfc8e76c | 1928 | |
7e419452 JA |
1929 | while (!flist_empty(&log->io_logs)) { |
1930 | struct io_logs *cur_log; | |
1931 | size_t size; | |
1932 | ||
1933 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1934 | flist_del_init(&cur_log->list); | |
1935 | ||
1936 | size = cur_log->nr_samples * log_entry_sz(log); | |
1937 | ||
1938 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1939 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1940 | if (!entry) { |
1941 | ret = 1; | |
1942 | break; | |
1943 | } | |
7e419452 JA |
1944 | flist_add_tail(&entry->list, &first->next); |
1945 | } | |
1946 | ||
1620bb93 | 1947 | return ret; |
dfc8e76c JA |
1948 | } |
1949 | ||
3989b143 JA |
1950 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1951 | { | |
f54ed522 JA |
1952 | struct cmd_iolog_pdu pdu = { |
1953 | .nr_samples = cpu_to_le64(iolog_nr_samples(log)), | |
1954 | .thread_number = cpu_to_le32(td->thread_number), | |
1955 | .log_type = cpu_to_le32(log->log_type), | |
1956 | .log_hist_coarseness = cpu_to_le32(log->hist_coarseness), | |
1957 | }; | |
02594e37 | 1958 | struct sk_entry *first; |
7e419452 JA |
1959 | struct flist_head *entry; |
1960 | int ret = 0; | |
3989b143 | 1961 | |
0cba0f91 JA |
1962 | if (!flist_empty(&log->chunk_list)) |
1963 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1964 | else if (use_zlib) | |
1965 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1966 | else | |
1967 | pdu.compressed = 0; | |
9bdb9265 JA |
1968 | |
1969 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1970 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1971 | |
0cba0f91 JA |
1972 | /* |
1973 | * We can't do this for a pre-compressed log, but for that case, | |
1974 | * log->nr_samples is zero anyway. | |
1975 | */ | |
7e419452 JA |
1976 | flist_for_each(entry, &log->io_logs) { |
1977 | struct io_logs *cur_log; | |
1978 | int i; | |
3989b143 | 1979 | |
7e419452 | 1980 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 1981 | |
7e419452 JA |
1982 | for (i = 0; i < cur_log->nr_samples; i++) { |
1983 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 1984 | |
7e419452 | 1985 | s->time = cpu_to_le64(s->time); |
af2fde19 | 1986 | s->data.val = cpu_to_le64(s->data.val); |
7e419452 JA |
1987 | s->__ddir = cpu_to_le32(s->__ddir); |
1988 | s->bs = cpu_to_le32(s->bs); | |
1989 | ||
1990 | if (log->log_offset) { | |
1991 | struct io_sample_offset *so = (void *) s; | |
1992 | ||
1993 | so->offset = cpu_to_le64(so->offset); | |
1994 | } | |
ae588852 | 1995 | } |
3989b143 JA |
1996 | } |
1997 | ||
1998 | /* | |
02594e37 | 1999 | * Assemble header entry first |
3989b143 | 2000 | */ |
bead01d7 | 2001 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
1620bb93 JA |
2002 | if (!first) |
2003 | return 1; | |
3989b143 JA |
2004 | |
2005 | /* | |
dfc8e76c JA |
2006 | * Now append actual log entries. If log compression was enabled on |
2007 | * the job, just send out the compressed chunks directly. If we | |
2008 | * have a plain log, compress if we can, then send. Otherwise, send | |
2009 | * the plain text output. | |
3989b143 | 2010 | */ |
0cba0f91 | 2011 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 2012 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 2013 | else if (use_zlib) |
dfc8e76c JA |
2014 | ret = fio_append_iolog_gz(first, log); |
2015 | else | |
2016 | ret = fio_append_text_log(first, log); | |
3989b143 | 2017 | |
bead01d7 | 2018 | fio_net_queue_entry(first); |
f77d4b73 | 2019 | return ret; |
3989b143 JA |
2020 | } |
2021 | ||
2f122b13 | 2022 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 | 2023 | { |
f4937575 JA |
2024 | struct cmd_add_job_pdu pdu = { |
2025 | .thread_number = cpu_to_le32(td->thread_number), | |
2026 | .groupid = cpu_to_le32(td->groupid), | |
2027 | }; | |
807f9971 | 2028 | |
2f122b13 | 2029 | convert_thread_options_to_net(&pdu.top, &td->o); |
807f9971 | 2030 | |
dfc8e76c JA |
2031 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
2032 | SK_F_COPY); | |
807f9971 JA |
2033 | } |
2034 | ||
122c7725 JA |
2035 | void fio_server_send_start(struct thread_data *td) |
2036 | { | |
f77d4b73 JA |
2037 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2038 | ||
2039 | assert(sk_out->sk != -1); | |
122c7725 | 2040 | |
a89ba4b1 | 2041 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
2042 | } |
2043 | ||
ca09be4b | 2044 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 2045 | void **datap) |
ca09be4b JA |
2046 | { |
2047 | struct thread_io_list *s; | |
2048 | struct cmd_sendfile out; | |
2049 | struct cmd_reply *rep; | |
2050 | uint64_t tag; | |
2051 | void *data; | |
c0d3245a | 2052 | int ret; |
ca09be4b JA |
2053 | |
2054 | dprint(FD_NET, "server: request verify state\n"); | |
2055 | ||
2056 | rep = smalloc(sizeof(*rep)); | |
81b3c86f | 2057 | if (!rep) |
c0d3245a | 2058 | return ENOMEM; |
ca09be4b | 2059 | |
971caeb1 | 2060 | __fio_sem_init(&rep->lock, FIO_SEM_LOCKED); |
ca09be4b JA |
2061 | rep->data = NULL; |
2062 | rep->error = 0; | |
2063 | ||
e499aedc JA |
2064 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2065 | threadnumber); | |
ca09be4b | 2066 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2067 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2068 | SK_F_COPY); | |
ca09be4b JA |
2069 | |
2070 | /* | |
2071 | * Wait for the backend to receive the reply | |
2072 | */ | |
971caeb1 | 2073 | if (fio_sem_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2074 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2075 | ret = ETIMEDOUT; |
ca09be4b JA |
2076 | goto fail; |
2077 | } | |
2078 | ||
2079 | if (rep->error) { | |
415c3133 JA |
2080 | log_err("fio: failure on receiving state file %s: %s\n", |
2081 | out.path, strerror(rep->error)); | |
c0d3245a | 2082 | ret = rep->error; |
ca09be4b JA |
2083 | fail: |
2084 | *datap = NULL; | |
2085 | sfree(rep); | |
f77d4b73 | 2086 | fio_net_queue_quit(); |
c0d3245a | 2087 | return ret; |
ca09be4b JA |
2088 | } |
2089 | ||
2090 | /* | |
2091 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2092 | * the header, and the thread_io_list checksum | |
2093 | */ | |
2094 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2095 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2096 | ret = EILSEQ; |
ca09be4b | 2097 | goto fail; |
c0d3245a | 2098 | } |
ca09be4b JA |
2099 | |
2100 | /* | |
2101 | * Don't need the header from now, copy just the thread_io_list | |
2102 | */ | |
c0d3245a | 2103 | ret = 0; |
ca09be4b JA |
2104 | rep->size -= sizeof(struct verify_state_hdr); |
2105 | data = malloc(rep->size); | |
2106 | memcpy(data, s, rep->size); | |
2107 | *datap = data; | |
2108 | ||
2109 | sfree(rep->data); | |
971caeb1 | 2110 | __fio_sem_remove(&rep->lock); |
ca09be4b | 2111 | sfree(rep); |
c0d3245a | 2112 | return ret; |
ca09be4b JA |
2113 | } |
2114 | ||
87aa8f19 | 2115 | static int fio_init_server_ip(void) |
81179eec | 2116 | { |
811826be | 2117 | struct sockaddr *addr; |
67bf9823 | 2118 | socklen_t socklen; |
17e3531a JA |
2119 | char buf[80]; |
2120 | const char *str; | |
87aa8f19 | 2121 | int sk, opt; |
81179eec | 2122 | |
811826be JA |
2123 | if (use_ipv6) |
2124 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2125 | else | |
2126 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2127 | ||
81179eec JA |
2128 | if (sk < 0) { |
2129 | log_err("fio: socket: %s\n", strerror(errno)); | |
2130 | return -1; | |
2131 | } | |
2132 | ||
2133 | opt = 1; | |
1f81991e | 2134 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2135 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2136 | close(sk); |
81179eec JA |
2137 | return -1; |
2138 | } | |
2139 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2140 | /* |
2141 | * Not fatal if fails, so just ignore it if that happens | |
2142 | */ | |
2143 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
2144 | #endif |
2145 | ||
811826be | 2146 | if (use_ipv6) { |
a6ab5391 | 2147 | void *src = &saddr_in6.sin6_addr; |
17e3531a | 2148 | |
811826be JA |
2149 | addr = (struct sockaddr *) &saddr_in6; |
2150 | socklen = sizeof(saddr_in6); | |
2151 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2152 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2153 | } else { |
a6ab5391 | 2154 | void *src = &saddr_in.sin_addr; |
17e3531a | 2155 | |
811826be JA |
2156 | addr = (struct sockaddr *) &saddr_in; |
2157 | socklen = sizeof(saddr_in); | |
2158 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2159 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2160 | } |
81179eec | 2161 | |
811826be | 2162 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2163 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2164 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2165 | close(sk); |
81179eec JA |
2166 | return -1; |
2167 | } | |
2168 | ||
87aa8f19 JA |
2169 | return sk; |
2170 | } | |
2171 | ||
2172 | static int fio_init_server_sock(void) | |
2173 | { | |
2174 | struct sockaddr_un addr; | |
67bf9823 | 2175 | socklen_t len; |
87aa8f19 JA |
2176 | mode_t mode; |
2177 | int sk; | |
2178 | ||
2179 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2180 | if (sk < 0) { | |
2181 | log_err("fio: socket: %s\n", strerror(errno)); | |
2182 | return -1; | |
2183 | } | |
2184 | ||
2185 | mode = umask(000); | |
2186 | ||
2187 | memset(&addr, 0, sizeof(addr)); | |
2188 | addr.sun_family = AF_UNIX; | |
a48fddbc | 2189 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
2190 | |
2191 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2192 | ||
2193 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2194 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2195 | close(sk); |
87aa8f19 JA |
2196 | return -1; |
2197 | } | |
2198 | ||
2199 | umask(mode); | |
2200 | return sk; | |
2201 | } | |
2202 | ||
2203 | static int fio_init_server_connection(void) | |
2204 | { | |
bebe6398 | 2205 | char bind_str[128]; |
87aa8f19 JA |
2206 | int sk; |
2207 | ||
2208 | dprint(FD_NET, "starting server\n"); | |
2209 | ||
2210 | if (!bind_sock) | |
2211 | sk = fio_init_server_ip(); | |
2212 | else | |
2213 | sk = fio_init_server_sock(); | |
2214 | ||
2215 | if (sk < 0) | |
2216 | return sk; | |
2217 | ||
afdcad23 JA |
2218 | memset(bind_str, 0, sizeof(bind_str)); |
2219 | ||
811826be JA |
2220 | if (!bind_sock) { |
2221 | char *p, port[16]; | |
a6ab5391 | 2222 | void *src; |
811826be JA |
2223 | int af; |
2224 | ||
2225 | if (use_ipv6) { | |
2226 | af = AF_INET6; | |
2227 | src = &saddr_in6.sin6_addr; | |
2228 | } else { | |
2229 | af = AF_INET; | |
2230 | src = &saddr_in.sin_addr; | |
2231 | } | |
2232 | ||
2233 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2234 | ||
2235 | sprintf(port, ",%u", fio_net_port); | |
2236 | if (p) | |
2237 | strcat(p, port); | |
2238 | else | |
afdcad23 | 2239 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 2240 | } else |
afdcad23 | 2241 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
2242 | |
2243 | log_info("fio: server listening on %s\n", bind_str); | |
2244 | ||
1e1507df | 2245 | if (listen(sk, 4) < 0) { |
81179eec | 2246 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2247 | close(sk); |
81179eec JA |
2248 | return -1; |
2249 | } | |
2250 | ||
87aa8f19 JA |
2251 | return sk; |
2252 | } | |
2253 | ||
3aa3ceeb | 2254 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2255 | struct in6_addr *inp6) |
2256 | ||
2257 | { | |
2258 | int ret = 0; | |
2259 | ||
3aa3ceeb | 2260 | if (ipv6) |
3ec62ec4 JA |
2261 | ret = inet_pton(AF_INET6, host, inp6); |
2262 | else | |
2263 | ret = inet_pton(AF_INET, host, inp); | |
2264 | ||
2265 | if (ret != 1) { | |
f4937575 JA |
2266 | struct addrinfo *res, hints = { |
2267 | .ai_family = ipv6 ? AF_INET6 : AF_INET, | |
2268 | .ai_socktype = SOCK_STREAM, | |
2269 | }; | |
3ec62ec4 | 2270 | |
479471c4 JA |
2271 | ret = getaddrinfo(host, NULL, &hints, &res); |
2272 | if (ret) { | |
2273 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2274 | gai_strerror(ret)); | |
3caf43e3 | 2275 | return 1; |
3ec62ec4 JA |
2276 | } |
2277 | ||
3aa3ceeb | 2278 | if (ipv6) |
479471c4 JA |
2279 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2280 | else | |
2281 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2282 | ||
3ec62ec4 | 2283 | ret = 1; |
479471c4 | 2284 | freeaddrinfo(res); |
3ec62ec4 JA |
2285 | } |
2286 | ||
2287 | return !(ret == 1); | |
2288 | } | |
2289 | ||
660a2bfb JA |
2290 | /* |
2291 | * Parse a host/ip/port string. Reads from 'str'. | |
2292 | * | |
2293 | * Outputs: | |
2294 | * | |
2295 | * For IPv4: | |
2296 | * *ptr is the host, *port is the port, inp is the destination. | |
2297 | * For IPv6: | |
2298 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2299 | * For local domain sockets: | |
2300 | * *ptr is the filename, *is_sock is 1. | |
2301 | */ | |
67d2a9b8 | 2302 | int fio_server_parse_string(const char *str, char **ptr, bool *is_sock, |
811826be JA |
2303 | int *port, struct in_addr *inp, |
2304 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2305 | { |
76867621 JA |
2306 | const char *host = str; |
2307 | char *portp; | |
3ec62ec4 | 2308 | int lport = 0; |
76867621 | 2309 | |
bebe6398 | 2310 | *ptr = NULL; |
67d2a9b8 | 2311 | *is_sock = false; |
6d2cf394 | 2312 | *port = fio_net_port; |
811826be | 2313 | *ipv6 = 0; |
bebe6398 JA |
2314 | |
2315 | if (!strncmp(str, "sock:", 5)) { | |
2316 | *ptr = strdup(str + 5); | |
67d2a9b8 | 2317 | *is_sock = true; |
76867621 JA |
2318 | |
2319 | return 0; | |
2320 | } | |
2321 | ||
2322 | /* | |
2323 | * Is it ip:<ip or host>:port | |
2324 | */ | |
2325 | if (!strncmp(host, "ip:", 3)) | |
2326 | host += 3; | |
2327 | else if (!strncmp(host, "ip4:", 4)) | |
2328 | host += 4; | |
2329 | else if (!strncmp(host, "ip6:", 4)) { | |
2330 | host += 4; | |
2331 | *ipv6 = 1; | |
2332 | } else if (host[0] == ':') { | |
2333 | /* String is :port */ | |
2334 | host++; | |
2335 | lport = atoi(host); | |
2336 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2337 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2338 | return 1; |
2339 | } | |
2340 | /* no hostname given, we are done */ | |
2341 | *port = lport; | |
2342 | return 0; | |
2343 | } | |
2344 | ||
2345 | /* | |
b96b90c3 | 2346 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2347 | */ |
2348 | if (!lport) { | |
2349 | portp = strchr(host, ','); | |
2350 | if (portp) { | |
2351 | *portp = '\0'; | |
2352 | portp++; | |
2353 | lport = atoi(portp); | |
bebe6398 | 2354 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2355 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2356 | return 1; |
2357 | } | |
bebe6398 | 2358 | } |
76867621 | 2359 | } |
bebe6398 | 2360 | |
76867621 JA |
2361 | if (lport) |
2362 | *port = lport; | |
bebe6398 | 2363 | |
76867621 JA |
2364 | if (!strlen(host)) |
2365 | return 0; | |
bebe6398 | 2366 | |
76867621 | 2367 | *ptr = strdup(host); |
811826be | 2368 | |
3aa3ceeb | 2369 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2370 | free(*ptr); |
2371 | *ptr = NULL; | |
2372 | return 1; | |
bebe6398 JA |
2373 | } |
2374 | ||
2375 | if (*port == 0) | |
2376 | *port = fio_net_port; | |
2377 | ||
2378 | return 0; | |
2379 | } | |
2380 | ||
87aa8f19 JA |
2381 | /* |
2382 | * Server arg should be one of: | |
2383 | * | |
2384 | * sock:/path/to/socket | |
2385 | * ip:1.2.3.4 | |
2386 | * 1.2.3.4 | |
2387 | * | |
2388 | * Where sock uses unix domain sockets, and ip binds the server to | |
2389 | * a specific interface. If no arguments are given to the server, it | |
2390 | * uses IP and binds to 0.0.0.0. | |
2391 | * | |
2392 | */ | |
2393 | static int fio_handle_server_arg(void) | |
2394 | { | |
6d2cf394 | 2395 | int port = fio_net_port; |
67d2a9b8 JA |
2396 | bool is_sock; |
2397 | int ret = 0; | |
bebe6398 | 2398 | |
87aa8f19 JA |
2399 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2400 | ||
2401 | if (!fio_server_arg) | |
a7de0a11 | 2402 | goto out; |
87aa8f19 | 2403 | |
4e5b8fb8 | 2404 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2405 | &port, &saddr_in.sin_addr, |
2406 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2407 | |
2408 | if (!is_sock && bind_sock) { | |
2409 | free(bind_sock); | |
2410 | bind_sock = NULL; | |
2411 | } | |
2412 | ||
a7de0a11 | 2413 | out: |
6d2cf394 JA |
2414 | fio_net_port = port; |
2415 | saddr_in.sin_port = htons(port); | |
811826be | 2416 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2417 | return ret; |
87aa8f19 JA |
2418 | } |
2419 | ||
43cdea1d JA |
2420 | static void sig_int(int sig) |
2421 | { | |
2422 | if (bind_sock) | |
2423 | unlink(bind_sock); | |
2424 | } | |
2425 | ||
2426 | static void set_sig_handlers(void) | |
2427 | { | |
f4937575 JA |
2428 | struct sigaction act = { |
2429 | .sa_handler = sig_int, | |
2430 | .sa_flags = SA_RESTART, | |
2431 | }; | |
43cdea1d | 2432 | |
43cdea1d JA |
2433 | sigaction(SIGINT, &act, NULL); |
2434 | } | |
2435 | ||
518a1cf0 JA |
2436 | void fio_server_destroy_sk_key(void) |
2437 | { | |
2438 | pthread_key_delete(sk_out_key); | |
2439 | } | |
2440 | ||
3d80c735 | 2441 | int fio_server_create_sk_key(void) |
87aa8f19 | 2442 | { |
9c003782 JA |
2443 | if (pthread_key_create(&sk_out_key, NULL)) { |
2444 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2445 | return 1; |
9c003782 JA |
2446 | } |
2447 | ||
2448 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2449 | return 0; |
2450 | } | |
2451 | ||
2452 | static int fio_server(void) | |
2453 | { | |
2454 | int sk, ret; | |
9c003782 | 2455 | |
87aa8f19 JA |
2456 | dprint(FD_NET, "starting server\n"); |
2457 | ||
2458 | if (fio_handle_server_arg()) | |
2459 | return -1; | |
2460 | ||
2461 | sk = fio_init_server_connection(); | |
2462 | if (sk < 0) | |
2463 | return -1; | |
81179eec | 2464 | |
43cdea1d JA |
2465 | set_sig_handlers(); |
2466 | ||
ea1cd038 | 2467 | ret = accept_loop(sk); |
87aa8f19 | 2468 | |
81179eec | 2469 | close(sk); |
87aa8f19 JA |
2470 | |
2471 | if (fio_server_arg) { | |
2472 | free(fio_server_arg); | |
2473 | fio_server_arg = NULL; | |
2474 | } | |
bebe6398 JA |
2475 | if (bind_sock) |
2476 | free(bind_sock); | |
87aa8f19 | 2477 | |
81179eec JA |
2478 | return ret; |
2479 | } | |
2480 | ||
7b821684 | 2481 | void fio_server_got_signal(int signal) |
9abea48b | 2482 | { |
f77d4b73 JA |
2483 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2484 | ||
2485 | assert(sk_out); | |
2486 | ||
7b821684 | 2487 | if (signal == SIGPIPE) |
f77d4b73 | 2488 | sk_out->sk = -1; |
7b821684 JA |
2489 | else { |
2490 | log_info("\nfio: terminating on signal %d\n", signal); | |
2491 | exit_backend = 1; | |
2492 | } | |
9abea48b JA |
2493 | } |
2494 | ||
13755d94 JA |
2495 | static int check_existing_pidfile(const char *pidfile) |
2496 | { | |
2497 | struct stat sb; | |
2498 | char buf[16]; | |
2499 | pid_t pid; | |
2500 | FILE *f; | |
2501 | ||
2502 | if (stat(pidfile, &sb)) | |
2503 | return 0; | |
2504 | ||
2505 | f = fopen(pidfile, "r"); | |
2506 | if (!f) | |
2507 | return 0; | |
2508 | ||
bfc3b179 | 2509 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2510 | fclose(f); |
2511 | return 1; | |
2512 | } | |
2513 | fclose(f); | |
2514 | ||
2515 | pid = atoi(buf); | |
2516 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2517 | return errno != ESRCH; |
13755d94 JA |
2518 | |
2519 | return 1; | |
2520 | } | |
2521 | ||
2522 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2523 | { |
2524 | FILE *fpid; | |
2525 | ||
2526 | fpid = fopen(pidfile, "w"); | |
2527 | if (!fpid) { | |
2528 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2529 | return 1; |
402668f3 JA |
2530 | } |
2531 | ||
2532 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2533 | fclose(fpid); |
2534 | return 0; | |
402668f3 JA |
2535 | } |
2536 | ||
2537 | /* | |
2538 | * If pidfile is specified, background us. | |
2539 | */ | |
2540 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2541 | { |
2542 | pid_t pid; | |
402668f3 | 2543 | int ret; |
e46d8091 | 2544 | |
93bcfd20 | 2545 | #if defined(WIN32) |
905c78b9 | 2546 | WSADATA wsd; |
3c3ed070 | 2547 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2548 | #endif |
2549 | ||
402668f3 | 2550 | if (!pidfile) |
e46d8091 JA |
2551 | return fio_server(); |
2552 | ||
13755d94 JA |
2553 | if (check_existing_pidfile(pidfile)) { |
2554 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2555 | pidfile); | |
b8ba87ac | 2556 | free(pidfile); |
13755d94 JA |
2557 | return -1; |
2558 | } | |
2559 | ||
e46d8091 JA |
2560 | pid = fork(); |
2561 | if (pid < 0) { | |
c5839011 | 2562 | log_err("fio: failed server fork: %s\n", strerror(errno)); |
402668f3 | 2563 | free(pidfile); |
c28e8e8c | 2564 | return -1; |
402668f3 | 2565 | } else if (pid) { |
8a1db9a1 | 2566 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2567 | free(pidfile); |
44c8268d | 2568 | _exit(ret); |
402668f3 | 2569 | } |
e46d8091 JA |
2570 | |
2571 | setsid(); | |
13755d94 JA |
2572 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2573 | log_syslog = 1; | |
e46d8091 JA |
2574 | close(STDIN_FILENO); |
2575 | close(STDOUT_FILENO); | |
2576 | close(STDERR_FILENO); | |
2577 | f_out = NULL; | |
2578 | f_err = NULL; | |
402668f3 JA |
2579 | |
2580 | ret = fio_server(); | |
2581 | ||
2582 | closelog(); | |
2583 | unlink(pidfile); | |
2584 | free(pidfile); | |
2585 | return ret; | |
e46d8091 | 2586 | } |
87aa8f19 | 2587 | |
bebe6398 | 2588 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2589 | { |
2590 | fio_server_arg = strdup(arg); | |
2591 | } |