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 | ||
53 | struct sk_out { | |
0ae6acea JA |
54 | unsigned int refs; /* frees sk_out when it drops to zero. |
55 | * protected by below ->lock */ | |
24660963 | 56 | |
0ae6acea | 57 | int sk; /* socket fd to talk to client */ |
bead01d7 | 58 | struct fio_mutex lock; /* protects ref and below list */ |
0ae6acea | 59 | struct flist_head list; /* list of pending transmit work */ |
bead01d7 JA |
60 | struct fio_mutex wait; /* wake backend when items added to list */ |
61 | struct fio_mutex xmit; /* held while sending data */ | |
f77d4b73 JA |
62 | }; |
63 | ||
87aa8f19 JA |
64 | static char *fio_server_arg; |
65 | static char *bind_sock; | |
66 | static struct sockaddr_in saddr_in; | |
811826be | 67 | static struct sockaddr_in6 saddr_in6; |
811826be | 68 | static int use_ipv6; |
3989b143 JA |
69 | #ifdef CONFIG_ZLIB |
70 | static unsigned int has_zlib = 1; | |
71 | #else | |
72 | static unsigned int has_zlib = 0; | |
73 | #endif | |
74 | static unsigned int use_zlib; | |
ca09be4b | 75 | static char me[128]; |
37db14fe | 76 | |
f77d4b73 JA |
77 | static pthread_key_t sk_out_key; |
78 | ||
122c7725 JA |
79 | struct fio_fork_item { |
80 | struct flist_head list; | |
81 | int exitval; | |
82 | int signal; | |
83 | int exited; | |
84 | pid_t pid; | |
85 | }; | |
86 | ||
ca09be4b JA |
87 | struct cmd_reply { |
88 | struct fio_mutex lock; | |
89 | void *data; | |
90 | size_t size; | |
91 | int error; | |
92 | }; | |
93 | ||
89c1707c JA |
94 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
95 | "", | |
96 | "QUIT", | |
97 | "EXIT", | |
98 | "JOB", | |
99 | "JOBLINE", | |
100 | "TEXT", | |
101 | "TS", | |
102 | "GS", | |
103 | "SEND_ETA", | |
104 | "ETA", | |
105 | "PROBE", | |
106 | "START", | |
d09a64a0 JA |
107 | "STOP", |
108 | "DISK_UTIL", | |
b9d2f30a | 109 | "SERVER_START", |
807f9971 | 110 | "ADD_JOB", |
ca09be4b JA |
111 | "RUN", |
112 | "IOLOG", | |
113 | "UPDATE_JOB", | |
114 | "LOAD_FILE", | |
115 | "VTRIGGER", | |
116 | "SENDFILE", | |
9d9937b5 | 117 | "JOB_OPT", |
89c1707c JA |
118 | }; |
119 | ||
f77d4b73 JA |
120 | static void sk_lock(struct sk_out *sk_out) |
121 | { | |
bead01d7 | 122 | fio_mutex_down(&sk_out->lock); |
f77d4b73 JA |
123 | } |
124 | ||
125 | static void sk_unlock(struct sk_out *sk_out) | |
126 | { | |
bead01d7 | 127 | fio_mutex_up(&sk_out->lock); |
f77d4b73 JA |
128 | } |
129 | ||
24660963 JA |
130 | void sk_out_assign(struct sk_out *sk_out) |
131 | { | |
132 | if (!sk_out) | |
133 | return; | |
134 | ||
135 | sk_lock(sk_out); | |
136 | sk_out->refs++; | |
137 | sk_unlock(sk_out); | |
138 | pthread_setspecific(sk_out_key, sk_out); | |
139 | } | |
140 | ||
bce503fc | 141 | static void sk_out_free(struct sk_out *sk_out) |
24660963 | 142 | { |
bead01d7 JA |
143 | __fio_mutex_remove(&sk_out->lock); |
144 | __fio_mutex_remove(&sk_out->wait); | |
145 | __fio_mutex_remove(&sk_out->xmit); | |
24660963 JA |
146 | sfree(sk_out); |
147 | } | |
148 | ||
bce503fc | 149 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 150 | { |
24660963 JA |
151 | if (sk_out) { |
152 | int refs; | |
153 | ||
154 | sk_lock(sk_out); | |
c0d3245a | 155 | assert(sk_out->refs != 0); |
24660963 JA |
156 | refs = --sk_out->refs; |
157 | sk_unlock(sk_out); | |
158 | ||
bce503fc JA |
159 | if (!refs) { |
160 | sk_out_free(sk_out); | |
c0d3245a | 161 | pthread_setspecific(sk_out_key, NULL); |
bce503fc JA |
162 | return 0; |
163 | } | |
164 | } | |
165 | ||
166 | return 1; | |
167 | } | |
168 | ||
169 | void sk_out_drop(void) | |
170 | { | |
171 | struct sk_out *sk_out; | |
24660963 | 172 | |
bce503fc | 173 | sk_out = pthread_getspecific(sk_out_key); |
c0d3245a | 174 | __sk_out_drop(sk_out); |
24660963 JA |
175 | } |
176 | ||
9d2c74d7 JA |
177 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
178 | uint32_t pdu_len, uint64_t tag) | |
179 | { | |
180 | memset(cmd, 0, sizeof(*cmd)); | |
181 | ||
182 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
183 | cmd->opcode = cpu_to_le16(opcode); | |
184 | cmd->tag = cpu_to_le64(tag); | |
185 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
186 | } | |
187 | ||
188 | ||
189 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
190 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
191 | { | |
192 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
193 | ||
194 | if (pdu) | |
195 | memcpy(&cmd->payload, pdu, pdu_len); | |
196 | } | |
197 | ||
89c1707c JA |
198 | const char *fio_server_op(unsigned int op) |
199 | { | |
200 | static char buf[32]; | |
201 | ||
202 | if (op < FIO_NET_CMD_NR) | |
203 | return fio_server_ops[op]; | |
204 | ||
205 | sprintf(buf, "UNKNOWN/%d", op); | |
206 | return buf; | |
207 | } | |
208 | ||
5235f626 | 209 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 210 | { |
5235f626 | 211 | ssize_t ret = 0; |
794d69ca | 212 | |
5235f626 JA |
213 | while (count--) { |
214 | ret += iov->iov_len; | |
215 | iov++; | |
216 | } | |
217 | ||
218 | return ret; | |
219 | } | |
132159a5 | 220 | |
5235f626 JA |
221 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
222 | { | |
223 | ssize_t total_len = iov_total_len(iov, count); | |
224 | ssize_t ret; | |
225 | ||
226 | do { | |
227 | ret = writev(sk, iov, count); | |
132159a5 | 228 | if (ret > 0) { |
5235f626 JA |
229 | total_len -= ret; |
230 | if (!total_len) | |
132159a5 | 231 | break; |
5235f626 JA |
232 | |
233 | while (ret) { | |
234 | if (ret >= iov->iov_len) { | |
235 | ret -= iov->iov_len; | |
236 | iov++; | |
237 | continue; | |
238 | } | |
239 | iov->iov_base += ret; | |
240 | iov->iov_len -= ret; | |
241 | ret = 0; | |
242 | } | |
132159a5 JA |
243 | } else if (!ret) |
244 | break; | |
245 | else if (errno == EAGAIN || errno == EINTR) | |
246 | continue; | |
7b821684 JA |
247 | else |
248 | break; | |
132159a5 JA |
249 | } while (!exit_backend); |
250 | ||
5235f626 | 251 | if (!total_len) |
132159a5 JA |
252 | return 0; |
253 | ||
254 | return 1; | |
255 | } | |
256 | ||
9d2c74d7 | 257 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
258 | { |
259 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
260 | ||
261 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
262 | ||
263 | return fio_sendv_data(sk, &iov, 1); | |
264 | } | |
265 | ||
54e62ad4 | 266 | static int fio_recv_data(int sk, void *p, unsigned int len, bool wait) |
132159a5 | 267 | { |
54e62ad4 JA |
268 | int flags; |
269 | ||
270 | if (wait) | |
271 | flags = MSG_WAITALL; | |
272 | else | |
bf67f422 | 273 | flags = OS_MSG_DONTWAIT; |
54e62ad4 | 274 | |
132159a5 | 275 | do { |
54e62ad4 | 276 | int ret = recv(sk, p, len, flags); |
132159a5 JA |
277 | |
278 | if (ret > 0) { | |
279 | len -= ret; | |
280 | if (!len) | |
281 | break; | |
282 | p += ret; | |
283 | continue; | |
284 | } else if (!ret) | |
285 | break; | |
54e62ad4 JA |
286 | else if (errno == EAGAIN || errno == EINTR) { |
287 | if (wait) | |
288 | continue; | |
289 | break; | |
290 | } else | |
7b821684 | 291 | break; |
132159a5 JA |
292 | } while (!exit_backend); |
293 | ||
294 | if (!len) | |
295 | return 0; | |
296 | ||
297 | return -1; | |
298 | } | |
299 | ||
300 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
301 | { | |
fcee5ff6 | 302 | uint16_t crc; |
132159a5 | 303 | |
fcee5ff6 JA |
304 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
305 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 306 | |
25dfa848 | 307 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 308 | if (crc != cmd->cmd_crc16) { |
132159a5 | 309 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 310 | cmd->cmd_crc16, crc); |
132159a5 JA |
311 | return 1; |
312 | } | |
313 | ||
314 | cmd->version = le16_to_cpu(cmd->version); | |
315 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
316 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 317 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
318 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
319 | ||
320 | switch (cmd->version) { | |
fa2ea806 | 321 | case FIO_SERVER_VER: |
132159a5 JA |
322 | break; |
323 | default: | |
324 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
325 | return 1; | |
326 | } | |
327 | ||
7c922795 JA |
328 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
329 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
330 | return 1; | |
331 | } | |
332 | ||
132159a5 JA |
333 | return 0; |
334 | } | |
335 | ||
a64e88da JA |
336 | /* |
337 | * Read (and defragment, if necessary) incoming commands | |
338 | */ | |
54e62ad4 | 339 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 340 | { |
dfbf1f6f | 341 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 342 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 343 | uint16_t crc; |
a64e88da JA |
344 | int ret, first = 1; |
345 | void *pdu = NULL; | |
132159a5 | 346 | |
a64e88da | 347 | do { |
54e62ad4 | 348 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
349 | if (ret) |
350 | break; | |
132159a5 | 351 | |
a64e88da JA |
352 | /* We have a command, verify it and swap if need be */ |
353 | ret = verify_convert_cmd(&cmd); | |
354 | if (ret) | |
355 | break; | |
132159a5 | 356 | |
0b8f30a5 JA |
357 | if (first) { |
358 | /* if this is text, add room for \0 at the end */ | |
359 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
360 | assert(!cmdret); | |
361 | } else | |
a64e88da | 362 | cmd_size += cmd.pdu_len; |
132159a5 | 363 | |
dfbf1f6f JA |
364 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
365 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
366 | ret = 1; | |
367 | break; | |
368 | } | |
369 | ||
370 | tmp = realloc(cmdret, cmd_size); | |
371 | if (!tmp) { | |
372 | log_err("fio: server failed allocating cmd\n"); | |
373 | ret = 1; | |
374 | break; | |
375 | } | |
376 | cmdret = tmp; | |
132159a5 | 377 | |
a64e88da JA |
378 | if (first) |
379 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
380 | else if (cmdret->opcode != cmd.opcode) { |
381 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
382 | cmdret->opcode, cmd.opcode); | |
383 | ret = 1; | |
384 | break; | |
385 | } | |
a64e88da JA |
386 | |
387 | if (!cmd.pdu_len) | |
388 | break; | |
389 | ||
390 | /* There's payload, get it */ | |
391 | pdu = (void *) cmdret->payload + pdu_offset; | |
54e62ad4 | 392 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
393 | if (ret) |
394 | break; | |
395 | ||
396 | /* Verify payload crc */ | |
25dfa848 | 397 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
398 | if (crc != cmd.pdu_crc16) { |
399 | log_err("fio: server bad crc on payload "); | |
400 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
401 | ret = 1; | |
402 | break; | |
403 | } | |
404 | ||
405 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
406 | if (!first) |
407 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
408 | first = 0; |
409 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 410 | |
a64e88da JA |
411 | if (ret) { |
412 | free(cmdret); | |
413 | cmdret = NULL; | |
0b8f30a5 JA |
414 | } else if (cmdret) { |
415 | /* zero-terminate text input */ | |
084d1c6f JA |
416 | if (cmdret->pdu_len) { |
417 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
418 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
419 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 420 | |
8a1db9a1 | 421 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 422 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
423 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
424 | char *buf = (char *) __pdu->buf; | |
425 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 426 | |
46bcd498 | 427 | buf[len] = '\0'; |
084d1c6f | 428 | } |
0b8f30a5 | 429 | } |
084d1c6f | 430 | |
0b8f30a5 | 431 | /* frag flag is internal */ |
a64e88da | 432 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 433 | } |
a64e88da JA |
434 | |
435 | return cmdret; | |
132159a5 JA |
436 | } |
437 | ||
40c60516 JA |
438 | static void add_reply(uint64_t tag, struct flist_head *list) |
439 | { | |
a572bbfb | 440 | struct fio_net_cmd_reply *reply; |
40c60516 | 441 | |
a572bbfb | 442 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
443 | flist_add_tail(&reply->list, list); |
444 | } | |
445 | ||
446 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
447 | { | |
448 | struct fio_net_cmd_reply *reply; | |
449 | ||
450 | reply = calloc(1, sizeof(*reply)); | |
451 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 452 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
453 | reply->saved_tag = tag; |
454 | reply->opcode = opcode; | |
455 | ||
456 | return (uintptr_t) reply; | |
457 | } | |
458 | ||
459 | static void free_reply(uint64_t tag) | |
460 | { | |
a572bbfb | 461 | struct fio_net_cmd_reply *reply; |
40c60516 | 462 | |
a572bbfb | 463 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
464 | free(reply); |
465 | } | |
466 | ||
9d2c74d7 | 467 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
468 | { |
469 | uint32_t pdu_len; | |
470 | ||
25dfa848 | 471 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
472 | |
473 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
474 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
475 | } | |
476 | ||
9d2c74d7 | 477 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
478 | { |
479 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
480 | } |
481 | ||
af9c9fb3 | 482 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 483 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 484 | { |
7f868316 JA |
485 | struct fio_net_cmd *cmd = NULL; |
486 | size_t this_len, cur_len = 0; | |
40c60516 | 487 | uint64_t tag; |
794d69ca JA |
488 | int ret; |
489 | ||
40c60516 JA |
490 | if (list) { |
491 | assert(tagptr); | |
492 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
493 | } else | |
494 | tag = tagptr ? *tagptr : 0; | |
495 | ||
794d69ca JA |
496 | do { |
497 | this_len = size; | |
b9d2f30a JA |
498 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
499 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 500 | |
7f868316 JA |
501 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
502 | if (cmd) | |
503 | free(cmd); | |
504 | ||
505 | cur_len = sizeof(*cmd) + this_len; | |
506 | cmd = malloc(cur_len); | |
507 | } | |
794d69ca | 508 | |
af9c9fb3 | 509 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
510 | |
511 | if (this_len < size) | |
ddcc0b69 | 512 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
513 | |
514 | fio_net_cmd_crc(cmd); | |
515 | ||
516 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
517 | size -= this_len; |
518 | buf += this_len; | |
519 | } while (!ret && size); | |
520 | ||
40c60516 JA |
521 | if (list) { |
522 | if (ret) | |
523 | free_reply(tag); | |
524 | else | |
525 | add_reply(tag, list); | |
526 | } | |
527 | ||
7f868316 JA |
528 | if (cmd) |
529 | free(cmd); | |
530 | ||
794d69ca JA |
531 | return ret; |
532 | } | |
533 | ||
0cba0f91 JA |
534 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
535 | size_t size, uint64_t *tagptr, | |
536 | int flags) | |
f77d4b73 | 537 | { |
f77d4b73 JA |
538 | struct sk_entry *entry; |
539 | ||
540 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 541 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
542 | entry->opcode = opcode; |
543 | if (flags & SK_F_COPY) { | |
544 | entry->buf = smalloc(size); | |
545 | memcpy(entry->buf, buf, size); | |
546 | } else | |
547 | entry->buf = buf; | |
bead01d7 | 548 | |
f77d4b73 | 549 | entry->size = size; |
28c7bcdf JA |
550 | if (tagptr) |
551 | entry->tag = *tagptr; | |
552 | else | |
553 | entry->tag = 0; | |
f77d4b73 | 554 | entry->flags = flags; |
02594e37 JA |
555 | return entry; |
556 | } | |
557 | ||
bead01d7 JA |
558 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
559 | ||
02594e37 JA |
560 | static void fio_net_queue_entry(struct sk_entry *entry) |
561 | { | |
562 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
563 | ||
bead01d7 JA |
564 | if (entry->flags & SK_F_INLINE) |
565 | handle_sk_entry(sk_out, entry); | |
566 | else { | |
567 | sk_lock(sk_out); | |
568 | flist_add_tail(&entry->list, &sk_out->list); | |
569 | sk_unlock(sk_out); | |
f77d4b73 | 570 | |
bead01d7 JA |
571 | fio_mutex_up(&sk_out->wait); |
572 | } | |
02594e37 | 573 | } |
f77d4b73 | 574 | |
02594e37 JA |
575 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
576 | uint64_t *tagptr, int flags) | |
577 | { | |
578 | struct sk_entry *entry; | |
579 | ||
580 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
81b3c86f JA |
581 | if (entry) { |
582 | fio_net_queue_entry(entry); | |
583 | return 0; | |
584 | } | |
585 | ||
586 | return 1; | |
f77d4b73 JA |
587 | } |
588 | ||
89c1707c | 589 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 590 | { |
178cde9f | 591 | struct fio_net_cmd cmd; |
132159a5 | 592 | |
af9c9fb3 | 593 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
594 | fio_net_cmd_crc(&cmd); |
595 | ||
596 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
597 | } | |
598 | ||
89c1707c JA |
599 | /* |
600 | * If 'list' is non-NULL, then allocate and store the sent command for | |
601 | * later verification. | |
602 | */ | |
603 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
604 | struct flist_head *list) | |
605 | { | |
89c1707c JA |
606 | int ret; |
607 | ||
40c60516 JA |
608 | if (list) |
609 | tag = alloc_reply(tag, opcode); | |
89c1707c | 610 | |
40c60516 | 611 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 612 | if (ret) { |
40c60516 JA |
613 | if (list) |
614 | free_reply(tag); | |
615 | ||
89c1707c JA |
616 | return ret; |
617 | } | |
618 | ||
40c60516 JA |
619 | if (list) |
620 | add_reply(tag, list); | |
621 | ||
89c1707c JA |
622 | return 0; |
623 | } | |
624 | ||
f77d4b73 JA |
625 | static int fio_net_queue_quit(void) |
626 | { | |
627 | dprint(FD_NET, "server: sending quit\n"); | |
628 | ||
a89ba4b1 | 629 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
630 | } |
631 | ||
122c7725 | 632 | int fio_net_send_quit(int sk) |
437377e1 | 633 | { |
46c48f1f | 634 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 635 | |
8c95307b | 636 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
637 | } |
638 | ||
f77d4b73 | 639 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 640 | { |
11e950bd | 641 | struct cmd_end_pdu epdu; |
f58bd2a4 | 642 | uint64_t tag = 0; |
122c7725 | 643 | |
f58bd2a4 JA |
644 | if (cmd) |
645 | tag = cmd->tag; | |
122c7725 JA |
646 | |
647 | epdu.error = __cpu_to_le32(error); | |
648 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 649 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
650 | } |
651 | ||
f77d4b73 | 652 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
653 | { |
654 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 655 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
656 | } |
657 | ||
658 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
659 | { | |
660 | struct fio_fork_item *ffi; | |
661 | ||
662 | ffi = malloc(sizeof(*ffi)); | |
663 | ffi->exitval = 0; | |
664 | ffi->signal = 0; | |
665 | ffi->exited = 0; | |
666 | ffi->pid = pid; | |
667 | flist_add_tail(&ffi->list, list); | |
668 | } | |
669 | ||
6348b5de | 670 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 671 | { |
a7533dbd | 672 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 673 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
674 | } |
675 | ||
6348b5de | 676 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 677 | { |
a7533dbd | 678 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 679 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
680 | } |
681 | ||
682 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
683 | { | |
684 | int ret, status; | |
685 | ||
686 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
687 | if (ret < 0) { | |
688 | if (errno == ECHILD) { | |
a7533dbd | 689 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
690 | ffi->exited = 1; |
691 | } else | |
692 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
693 | } else if (ret == ffi->pid) { | |
694 | if (WIFSIGNALED(status)) { | |
695 | ffi->signal = WTERMSIG(status); | |
696 | ffi->exited = 1; | |
697 | } | |
698 | if (WIFEXITED(status)) { | |
699 | if (WEXITSTATUS(status)) | |
700 | ffi->exitval = WEXITSTATUS(status); | |
701 | ffi->exited = 1; | |
702 | } | |
703 | } | |
704 | } | |
705 | ||
f77d4b73 | 706 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 707 | { |
a7533dbd | 708 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
709 | |
710 | /* | |
711 | * Fold STOP and QUIT... | |
712 | */ | |
f77d4b73 JA |
713 | if (stop) { |
714 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
715 | fio_net_queue_quit(); | |
716 | } | |
717 | ||
122c7725 JA |
718 | flist_del(&ffi->list); |
719 | free(ffi); | |
720 | } | |
721 | ||
f77d4b73 | 722 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
723 | { |
724 | struct flist_head *entry, *tmp; | |
725 | struct fio_fork_item *ffi; | |
726 | ||
727 | flist_for_each_safe(entry, tmp, list) { | |
728 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
729 | ||
730 | fio_server_check_fork_item(ffi); | |
731 | ||
732 | if (ffi->exited) | |
f77d4b73 | 733 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
734 | } |
735 | } | |
736 | ||
6348b5de | 737 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 738 | { |
f77d4b73 | 739 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
740 | } |
741 | ||
6348b5de | 742 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 743 | { |
f77d4b73 | 744 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
745 | } |
746 | ||
323255cc JA |
747 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
748 | { | |
749 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
750 | void *file_name = pdu->file; | |
751 | struct cmd_start_pdu spdu; | |
752 | ||
753 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
754 | ||
755 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
756 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
757 | ||
758 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 759 | fio_net_queue_quit(); |
323255cc JA |
760 | return -1; |
761 | } | |
762 | ||
763 | spdu.jobs = cpu_to_le32(thread_number); | |
764 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 765 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
766 | return 0; |
767 | } | |
768 | ||
f77d4b73 JA |
769 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
770 | struct fio_net_cmd *cmd) | |
122c7725 JA |
771 | { |
772 | pid_t pid; | |
a64e88da | 773 | int ret; |
132159a5 | 774 | |
c0d3245a JA |
775 | sk_out_assign(sk_out); |
776 | ||
cbb1303c | 777 | fio_time_init(); |
122c7725 | 778 | set_genesis_time(); |
11e950bd | 779 | |
122c7725 JA |
780 | pid = fork(); |
781 | if (pid) { | |
6348b5de | 782 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
783 | return 0; |
784 | } | |
11e950bd | 785 | |
24660963 | 786 | ret = fio_backend(sk_out); |
2bb3f0a7 | 787 | free_threads_shm(); |
c0d3245a | 788 | sk_out_drop(); |
122c7725 | 789 | _exit(ret); |
81179eec JA |
790 | } |
791 | ||
b9d2f30a JA |
792 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
793 | { | |
46bcd498 JA |
794 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
795 | void *buf = pdu->buf; | |
b9d2f30a JA |
796 | struct cmd_start_pdu spdu; |
797 | ||
46bcd498 JA |
798 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
799 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
800 | ||
801 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 802 | fio_net_queue_quit(); |
b9d2f30a JA |
803 | return -1; |
804 | } | |
805 | ||
806 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 807 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
808 | |
809 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
810 | return 0; |
811 | } | |
812 | ||
81179eec JA |
813 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
814 | { | |
fa2ea806 JA |
815 | void *pdu = cmd->payload; |
816 | struct cmd_single_line_pdu *cslp; | |
817 | struct cmd_line_pdu *clp; | |
818 | unsigned long offset; | |
b9d2f30a | 819 | struct cmd_start_pdu spdu; |
fa2ea806 | 820 | char **argv; |
b9d2f30a | 821 | int i; |
81179eec | 822 | |
fa2ea806 JA |
823 | clp = pdu; |
824 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 825 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
826 | argv = malloc(clp->lines * sizeof(char *)); |
827 | offset = sizeof(*clp); | |
81179eec | 828 | |
fa2ea806 | 829 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 830 | |
fa2ea806 JA |
831 | for (i = 0; i < clp->lines; i++) { |
832 | cslp = pdu + offset; | |
833 | argv[i] = (char *) cslp->text; | |
834 | ||
835 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
836 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
837 | } | |
81179eec | 838 | |
46bcd498 | 839 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 840 | fio_net_queue_quit(); |
fa2ea806 | 841 | free(argv); |
81179eec | 842 | return -1; |
e6d1c668 | 843 | } |
81179eec | 844 | |
fa2ea806 JA |
845 | free(argv); |
846 | ||
b9d2f30a | 847 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 848 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
849 | |
850 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 851 | return 0; |
132159a5 JA |
852 | } |
853 | ||
c28e8e8c JA |
854 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
855 | { | |
3989b143 JA |
856 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
857 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 858 | uint64_t tag = cmd->tag; |
c28e8e8c | 859 | |
89c1707c JA |
860 | dprint(FD_NET, "server: sending probe reply\n"); |
861 | ||
ca09be4b JA |
862 | strcpy(me, (char *) pdu->server); |
863 | ||
c28e8e8c JA |
864 | memset(&probe, 0, sizeof(probe)); |
865 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 866 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
867 | probe.bigendian = 1; |
868 | #endif | |
750db473 | 869 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 870 | |
cca84643 JA |
871 | probe.os = FIO_OS; |
872 | probe.arch = FIO_ARCH; | |
38fdef22 | 873 | probe.bpp = sizeof(void *); |
d31e26d0 | 874 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
875 | |
876 | /* | |
877 | * If the client supports compression and we do too, then enable it | |
878 | */ | |
879 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
880 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
881 | use_zlib = 1; | |
882 | } else { | |
883 | probe.flags = 0; | |
884 | use_zlib = 0; | |
885 | } | |
38fdef22 | 886 | |
f77d4b73 | 887 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
888 | } |
889 | ||
890 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
891 | { | |
892 | struct jobs_eta *je; | |
40c60516 | 893 | uint64_t tag = cmd->tag; |
723297c9 | 894 | size_t size; |
af9c9fb3 JA |
895 | int i; |
896 | ||
e123c833 JA |
897 | dprint(FD_NET, "server sending status\n"); |
898 | ||
899 | /* | |
900 | * Fake ETA return if we don't have a local one, otherwise the client | |
901 | * will end up timing out waiting for a response to the ETA request | |
902 | */ | |
c5103619 | 903 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
904 | if (!je) { |
905 | size = sizeof(*je); | |
906 | je = calloc(1, size); | |
907 | } else { | |
e123c833 JA |
908 | je->nr_running = cpu_to_le32(je->nr_running); |
909 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
910 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
911 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
912 | je->files_open = cpu_to_le32(je->files_open); | |
913 | ||
914 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
915 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
916 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
917 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
918 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
919 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
920 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
921 | } | |
af9c9fb3 | 922 | |
e123c833 JA |
923 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
924 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
925 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
926 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
927 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
928 | } |
929 | ||
f77d4b73 | 930 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 931 | return 0; |
c28e8e8c JA |
932 | } |
933 | ||
f77d4b73 | 934 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
935 | { |
936 | uint64_t tag = __tag; | |
937 | uint32_t pdu_error; | |
938 | ||
939 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 940 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
941 | } |
942 | ||
f58bd2a4 JA |
943 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
944 | { | |
945 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
946 | struct thread_data *td; | |
947 | uint32_t tnumber; | |
948 | ||
949 | tnumber = le32_to_cpu(pdu->thread_number); | |
950 | ||
951 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
952 | ||
30ffacbf | 953 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 954 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
955 | return 0; |
956 | } | |
957 | ||
30ffacbf | 958 | td = &threads[tnumber - 1]; |
f58bd2a4 | 959 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 960 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
961 | return 0; |
962 | } | |
963 | ||
ca09be4b JA |
964 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
965 | { | |
966 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
967 | char *buf = (char *) pdu->cmd; | |
968 | struct all_io_list *rep; | |
969 | size_t sz; | |
970 | ||
971 | pdu->len = le16_to_cpu(pdu->len); | |
972 | buf[pdu->len] = '\0'; | |
973 | ||
974 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
975 | if (!rep) { | |
976 | struct all_io_list state; | |
977 | ||
978 | state.threads = cpu_to_le64((uint64_t) 0); | |
a89c77ab | 979 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE); |
f77d4b73 | 980 | } else |
a89c77ab | 981 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE); |
ca09be4b JA |
982 | |
983 | exec_trigger(buf); | |
984 | return 0; | |
985 | } | |
986 | ||
f77d4b73 JA |
987 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
988 | struct fio_net_cmd *cmd) | |
132159a5 JA |
989 | { |
990 | int ret; | |
991 | ||
4b91ee8f JA |
992 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
993 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
994 | (unsigned long long) cmd->tag); | |
46c48f1f | 995 | |
132159a5 JA |
996 | switch (cmd->opcode) { |
997 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 998 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
999 | ret = 0; |
1000 | break; | |
d7959186 | 1001 | case FIO_NET_CMD_EXIT: |
132159a5 | 1002 | exit_backend = 1; |
c28e8e8c | 1003 | return -1; |
323255cc JA |
1004 | case FIO_NET_CMD_LOAD_FILE: |
1005 | ret = handle_load_file_cmd(cmd); | |
1006 | break; | |
132159a5 | 1007 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1008 | ret = handle_job_cmd(cmd); |
132159a5 | 1009 | break; |
81179eec JA |
1010 | case FIO_NET_CMD_JOBLINE: |
1011 | ret = handle_jobline_cmd(cmd); | |
1012 | break; | |
c28e8e8c JA |
1013 | case FIO_NET_CMD_PROBE: |
1014 | ret = handle_probe_cmd(cmd); | |
1015 | break; | |
af9c9fb3 JA |
1016 | case FIO_NET_CMD_SEND_ETA: |
1017 | ret = handle_send_eta_cmd(cmd); | |
1018 | break; | |
b9d2f30a | 1019 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1020 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1021 | break; |
f58bd2a4 JA |
1022 | case FIO_NET_CMD_UPDATE_JOB: |
1023 | ret = handle_update_job_cmd(cmd); | |
1024 | break; | |
ca09be4b JA |
1025 | case FIO_NET_CMD_VTRIGGER: |
1026 | ret = handle_trigger_cmd(cmd); | |
1027 | break; | |
1028 | case FIO_NET_CMD_SENDFILE: { | |
1029 | struct cmd_sendfile_reply *in; | |
1030 | struct cmd_reply *rep; | |
1031 | ||
1032 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1033 | ||
1034 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1035 | in->size = le32_to_cpu(in->size); | |
1036 | in->error = le32_to_cpu(in->error); | |
1037 | if (in->error) { | |
1038 | ret = 1; | |
1039 | rep->error = in->error; | |
1040 | } else { | |
1041 | ret = 0; | |
1042 | rep->data = smalloc(in->size); | |
1043 | if (!rep->data) { | |
1044 | ret = 1; | |
1045 | rep->error = ENOMEM; | |
1046 | } else { | |
1047 | rep->size = in->size; | |
1048 | memcpy(rep->data, in->data, in->size); | |
1049 | } | |
1050 | } | |
1051 | fio_mutex_up(&rep->lock); | |
1052 | break; | |
1053 | } | |
132159a5 | 1054 | default: |
3c3ed070 | 1055 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1056 | ret = 1; |
1057 | } | |
1058 | ||
1059 | return ret; | |
1060 | } | |
1061 | ||
02594e37 JA |
1062 | /* |
1063 | * Send a command with a separate PDU, not inlined in the command | |
1064 | */ | |
1065 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1066 | off_t size, uint64_t tag, uint32_t flags) | |
1067 | { | |
1068 | struct fio_net_cmd cmd; | |
1069 | struct iovec iov[2]; | |
7c922795 JA |
1070 | size_t this_len; |
1071 | int ret; | |
02594e37 JA |
1072 | |
1073 | iov[0].iov_base = (void *) &cmd; | |
1074 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1075 | |
7c922795 JA |
1076 | do { |
1077 | uint32_t this_flags = flags; | |
1078 | ||
1079 | this_len = size; | |
1080 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1081 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1082 | ||
1083 | if (this_len < size) | |
1084 | this_flags |= FIO_NET_CMD_F_MORE; | |
1085 | ||
1086 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1087 | cmd.flags = __cpu_to_le32(this_flags); | |
1088 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1089 | |
7c922795 JA |
1090 | iov[1].iov_base = (void *) buf; |
1091 | iov[1].iov_len = this_len; | |
1092 | ||
1093 | ret = fio_sendv_data(sk, iov, 2); | |
1094 | size -= this_len; | |
1095 | buf += this_len; | |
1096 | } while (!ret && size); | |
1097 | ||
1098 | return ret; | |
02594e37 JA |
1099 | } |
1100 | ||
1101 | static void finish_entry(struct sk_entry *entry) | |
1102 | { | |
1103 | if (entry->flags & SK_F_FREE) | |
1104 | free(entry->buf); | |
1105 | else if (entry->flags & SK_F_COPY) | |
1106 | sfree(entry->buf); | |
1107 | ||
1108 | sfree(entry); | |
1109 | } | |
1110 | ||
ba1891d2 JA |
1111 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1112 | unsigned int *flags) | |
02594e37 | 1113 | { |
b3882320 JA |
1114 | if (!flist_empty(list)) |
1115 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1116 | else |
b3882320 | 1117 | *flags = 0; |
b3882320 | 1118 | } |
02594e37 | 1119 | |
b3882320 JA |
1120 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1121 | { | |
1122 | unsigned int flags; | |
b3882320 JA |
1123 | int ret; |
1124 | ||
ba1891d2 | 1125 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1126 | |
ba1891d2 JA |
1127 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1128 | first->size, first->tag, flags); | |
02594e37 JA |
1129 | |
1130 | while (!flist_empty(&first->next)) { | |
1131 | struct sk_entry *next; | |
1132 | ||
1133 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1134 | flist_del_init(&next->list); | |
02594e37 | 1135 | |
ba1891d2 | 1136 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1137 | |
ba1891d2 JA |
1138 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1139 | next->size, next->tag, flags); | |
02594e37 JA |
1140 | finish_entry(next); |
1141 | } | |
b3882320 JA |
1142 | |
1143 | return ret; | |
02594e37 JA |
1144 | } |
1145 | ||
b3882320 | 1146 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1147 | { |
b3882320 JA |
1148 | int ret; |
1149 | ||
bead01d7 JA |
1150 | fio_mutex_down(&sk_out->xmit); |
1151 | ||
02594e37 | 1152 | if (entry->flags & SK_F_VEC) |
b3882320 | 1153 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1154 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1155 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1156 | entry->tag, NULL); | |
dfc8e76c JA |
1157 | } else { |
1158 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1159 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1160 | } |
b3882320 | 1161 | |
bead01d7 JA |
1162 | fio_mutex_up(&sk_out->xmit); |
1163 | ||
b3882320 JA |
1164 | if (ret) |
1165 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1166 | |
02594e37 | 1167 | finish_entry(entry); |
b3882320 | 1168 | return ret; |
f77d4b73 JA |
1169 | } |
1170 | ||
b3882320 | 1171 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1172 | { |
1173 | struct sk_entry *entry; | |
1174 | FLIST_HEAD(list); | |
b3882320 | 1175 | int ret = 0; |
f77d4b73 JA |
1176 | |
1177 | sk_lock(sk_out); | |
1178 | if (flist_empty(&sk_out->list)) { | |
1179 | sk_unlock(sk_out); | |
b3882320 | 1180 | return 0; |
f77d4b73 JA |
1181 | } |
1182 | ||
1183 | flist_splice_init(&sk_out->list, &list); | |
1184 | sk_unlock(sk_out); | |
1185 | ||
1186 | while (!flist_empty(&list)) { | |
1187 | entry = flist_entry(list.next, struct sk_entry, list); | |
1188 | flist_del(&entry->list); | |
b3882320 | 1189 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1190 | } |
b3882320 JA |
1191 | |
1192 | return ret; | |
f77d4b73 JA |
1193 | } |
1194 | ||
1195 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1196 | { |
1197 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1198 | FLIST_HEAD(job_list); |
132159a5 JA |
1199 | int ret = 0; |
1200 | ||
122c7725 | 1201 | reset_fio_state(); |
122c7725 | 1202 | |
132159a5 JA |
1203 | /* read forever */ |
1204 | while (!exit_backend) { | |
e951bdc4 | 1205 | struct pollfd pfd = { |
f77d4b73 | 1206 | .fd = sk_out->sk, |
e951bdc4 JA |
1207 | .events = POLLIN, |
1208 | }; | |
1209 | ||
1210 | ret = 0; | |
1211 | do { | |
54163255 JA |
1212 | int timeout = 1000; |
1213 | ||
1214 | if (!flist_empty(&job_list)) | |
1215 | timeout = 100; | |
3c3ed070 | 1216 | |
f77d4b73 JA |
1217 | handle_xmits(sk_out); |
1218 | ||
1219 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1220 | if (ret < 0) { |
1221 | if (errno == EINTR) | |
1222 | break; | |
1223 | log_err("fio: poll: %s\n", strerror(errno)); | |
1224 | break; | |
19c65179 | 1225 | } else if (!ret) { |
6348b5de | 1226 | fio_server_check_jobs(&job_list); |
bead01d7 | 1227 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1228 | continue; |
19c65179 | 1229 | } |
e951bdc4 JA |
1230 | |
1231 | if (pfd.revents & POLLIN) | |
1232 | break; | |
1233 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1234 | ret = 1; | |
1235 | break; | |
1236 | } | |
19c65179 | 1237 | } while (!exit_backend); |
e951bdc4 | 1238 | |
6348b5de | 1239 | fio_server_check_jobs(&job_list); |
122c7725 | 1240 | |
e951bdc4 JA |
1241 | if (ret < 0) |
1242 | break; | |
1243 | ||
54e62ad4 | 1244 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1245 | if (!cmd) { |
c28e8e8c | 1246 | ret = -1; |
132159a5 JA |
1247 | break; |
1248 | } | |
1249 | ||
f77d4b73 | 1250 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1251 | if (ret) |
1252 | break; | |
1253 | ||
1254 | free(cmd); | |
c77a99e7 | 1255 | cmd = NULL; |
132159a5 JA |
1256 | } |
1257 | ||
1258 | if (cmd) | |
1259 | free(cmd); | |
1260 | ||
f77d4b73 JA |
1261 | handle_xmits(sk_out); |
1262 | ||
1263 | close(sk_out->sk); | |
0ae6acea | 1264 | sk_out->sk = -1; |
bce503fc | 1265 | __sk_out_drop(sk_out); |
122c7725 | 1266 | _exit(ret); |
cc0df00a JA |
1267 | } |
1268 | ||
296ab20a BE |
1269 | /* get the address on this host bound by the input socket, |
1270 | * whether it is ipv6 or ipv4 */ | |
1271 | ||
9d2c74d7 | 1272 | static int get_my_addr_str(int sk) |
296ab20a | 1273 | { |
f77d4b73 JA |
1274 | struct sockaddr_in6 myaddr6 = { 0, }; |
1275 | struct sockaddr_in myaddr4 = { 0, }; | |
1276 | struct sockaddr *sockaddr_p; | |
1277 | char *net_addr; | |
1278 | socklen_t len; | |
1279 | int ret; | |
296ab20a | 1280 | |
f77d4b73 JA |
1281 | if (use_ipv6) { |
1282 | len = sizeof(myaddr6); | |
296ab20a | 1283 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1284 | net_addr = (char * )&myaddr6.sin6_addr; |
1285 | } else { | |
1286 | len = sizeof(myaddr4); | |
296ab20a | 1287 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1288 | net_addr = (char * )&myaddr4.sin_addr; |
1289 | } | |
1290 | ||
296ab20a BE |
1291 | ret = getsockname(sk, sockaddr_p, &len); |
1292 | if (ret) { | |
1293 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1294 | return -1; |
1295 | } | |
f77d4b73 JA |
1296 | |
1297 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1298 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1299 | return -1; |
1300 | } | |
f77d4b73 | 1301 | |
296ab20a BE |
1302 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1303 | return 0; | |
1304 | } | |
1305 | ||
ea1cd038 | 1306 | static int accept_loop(int listen_sk) |
50d16976 | 1307 | { |
bb447a27 | 1308 | struct sockaddr_in addr; |
479471c4 JA |
1309 | struct sockaddr_in6 addr6; |
1310 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1311 | struct pollfd pfd; |
4a851614 | 1312 | int ret = 0, sk, exitval = 0; |
6348b5de | 1313 | FLIST_HEAD(conn_list); |
50d16976 | 1314 | |
60efd14e JA |
1315 | dprint(FD_NET, "server enter accept loop\n"); |
1316 | ||
4a851614 | 1317 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1318 | |
122c7725 | 1319 | while (!exit_backend) { |
ea1cd038 | 1320 | struct sk_out *sk_out; |
479471c4 JA |
1321 | const char *from; |
1322 | char buf[64]; | |
122c7725 | 1323 | pid_t pid; |
009b1be4 | 1324 | |
122c7725 JA |
1325 | pfd.fd = listen_sk; |
1326 | pfd.events = POLLIN; | |
1327 | do { | |
54163255 JA |
1328 | int timeout = 1000; |
1329 | ||
1330 | if (!flist_empty(&conn_list)) | |
1331 | timeout = 100; | |
1332 | ||
1333 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1334 | if (ret < 0) { |
1335 | if (errno == EINTR) | |
1336 | break; | |
1337 | log_err("fio: poll: %s\n", strerror(errno)); | |
1338 | break; | |
1339 | } else if (!ret) { | |
6348b5de | 1340 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1341 | continue; |
1342 | } | |
009b1be4 | 1343 | |
122c7725 JA |
1344 | if (pfd.revents & POLLIN) |
1345 | break; | |
1346 | } while (!exit_backend); | |
50d16976 | 1347 | |
6348b5de | 1348 | fio_server_check_conns(&conn_list); |
46c48f1f | 1349 | |
122c7725 JA |
1350 | if (exit_backend || ret < 0) |
1351 | break; | |
1352 | ||
479471c4 JA |
1353 | if (use_ipv6) |
1354 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1355 | else | |
1356 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1357 | ||
122c7725 JA |
1358 | if (sk < 0) { |
1359 | log_err("fio: accept: %s\n", strerror(errno)); | |
1360 | return -1; | |
1361 | } | |
37db14fe | 1362 | |
479471c4 JA |
1363 | if (use_ipv6) |
1364 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1365 | else | |
1366 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1367 | ||
1368 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1369 | |
bce503fc | 1370 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1371 | sk_out->sk = sk; |
bce503fc | 1372 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1373 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1374 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1375 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1376 | |
122c7725 JA |
1377 | pid = fork(); |
1378 | if (pid) { | |
1379 | close(sk); | |
6348b5de | 1380 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1381 | continue; |
1382 | } | |
5c341e9a | 1383 | |
0ae6acea JA |
1384 | /* if error, it's already logged, non-fatal */ |
1385 | get_my_addr_str(sk); | |
1386 | ||
1387 | /* | |
1388 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1389 | * since that function calls _exit() when done | |
1390 | */ | |
bce503fc | 1391 | sk_out_assign(sk_out); |
f77d4b73 | 1392 | handle_connection(sk_out); |
122c7725 | 1393 | } |
5c341e9a | 1394 | |
132159a5 | 1395 | return exitval; |
50d16976 JA |
1396 | } |
1397 | ||
084d1c6f | 1398 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1399 | { |
f77d4b73 | 1400 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1401 | struct cmd_text_pdu *pdu; |
1402 | unsigned int tlen; | |
1403 | struct timeval tv; | |
1404 | ||
f77d4b73 | 1405 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1406 | return -1; |
084d1c6f JA |
1407 | |
1408 | tlen = sizeof(*pdu) + len; | |
1409 | pdu = malloc(tlen); | |
1410 | ||
1411 | pdu->level = __cpu_to_le32(level); | |
1412 | pdu->buf_len = __cpu_to_le32(len); | |
1413 | ||
1414 | gettimeofday(&tv, NULL); | |
1415 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1416 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1417 | |
084d1c6f JA |
1418 | memcpy(pdu->buf, buf, len); |
1419 | ||
f77d4b73 | 1420 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1421 | free(pdu); |
1422 | return len; | |
142575e6 JA |
1423 | } |
1424 | ||
a64e88da JA |
1425 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1426 | { | |
1427 | dst->max_val = cpu_to_le64(src->max_val); | |
1428 | dst->min_val = cpu_to_le64(src->min_val); | |
1429 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1430 | |
1431 | /* | |
1432 | * Encode to IEEE 754 for network transfer | |
1433 | */ | |
e5c9093d JA |
1434 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1435 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1436 | } |
1437 | ||
1438 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1439 | { | |
1440 | int i; | |
1441 | ||
298921d6 | 1442 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1443 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1444 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1445 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1446 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1447 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1448 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1449 | } | |
1450 | ||
1451 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1452 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1453 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1454 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1455 | } |
1456 | ||
1457 | /* | |
1458 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1459 | * into a single payload. | |
1460 | */ | |
1461 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1462 | { | |
1463 | struct cmd_ts_pdu p; | |
1464 | int i, j; | |
1465 | ||
60efd14e JA |
1466 | dprint(FD_NET, "server sending end stats\n"); |
1467 | ||
317b3c8b JA |
1468 | memset(&p, 0, sizeof(p)); |
1469 | ||
4e59d0f3 JA |
1470 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1471 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1472 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1473 | |
2f122b13 JA |
1474 | p.ts.error = cpu_to_le32(ts->error); |
1475 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1476 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1477 | p.ts.pid = cpu_to_le32(ts->pid); | |
1478 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1479 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1480 | |
298921d6 | 1481 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1482 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1483 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1484 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1485 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
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); | |
1493 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1494 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1495 | |
1496 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1497 | fio_fp64_t *src = &ts->percentile_list[i]; |
1498 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1499 | |
e5c9093d | 1500 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1501 | } |
a64e88da JA |
1502 | |
1503 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1504 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1505 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1506 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1507 | } | |
1508 | ||
1509 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1510 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1511 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1512 | } | |
1513 | ||
298921d6 | 1514 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1515 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1516 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1517 | ||
78799deb | 1518 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1519 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1520 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1521 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1522 | } |
1523 | ||
93eee04a | 1524 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1525 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1526 | ||
298921d6 | 1527 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1528 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1529 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1530 | } | |
1531 | ||
1532 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1533 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1534 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1535 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1536 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1537 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1538 | |
3e260a46 JA |
1539 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1540 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1541 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1542 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1543 | |
66347cfa DE |
1544 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1545 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1546 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1547 | ||
a64e88da JA |
1548 | convert_gs(&p.rs, rs); |
1549 | ||
f77d4b73 | 1550 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1551 | } |
1552 | ||
1553 | void fio_server_send_gs(struct group_run_stats *rs) | |
1554 | { | |
1555 | struct group_run_stats gs; | |
1556 | ||
60efd14e JA |
1557 | dprint(FD_NET, "server sending group run stats\n"); |
1558 | ||
a64e88da | 1559 | convert_gs(&gs, rs); |
f77d4b73 | 1560 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1561 | } |
1562 | ||
0279b880 JA |
1563 | void fio_server_send_job_options(struct flist_head *opt_list, |
1564 | unsigned int groupid) | |
1565 | { | |
1566 | struct cmd_job_option pdu; | |
1567 | struct flist_head *entry; | |
1568 | ||
1569 | if (flist_empty(opt_list)) | |
1570 | return; | |
1571 | ||
1572 | flist_for_each(entry, opt_list) { | |
1573 | struct print_option *p; | |
bc0fec0e | 1574 | size_t len; |
0279b880 JA |
1575 | |
1576 | p = flist_entry(entry, struct print_option, list); | |
1577 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1578 | |
0279b880 JA |
1579 | if (groupid == -1U) { |
1580 | pdu.global = __cpu_to_le16(1); | |
1581 | pdu.groupid = 0; | |
1582 | } else { | |
1583 | pdu.global = 0; | |
bc0fec0e JA |
1584 | pdu.groupid = cpu_to_le32(groupid); |
1585 | } | |
1586 | len = strlen(p->name); | |
1587 | if (len >= sizeof(pdu.name)) { | |
1588 | len = sizeof(pdu.name) - 1; | |
1589 | pdu.truncated = __cpu_to_le16(1); | |
1590 | } | |
1591 | memcpy(pdu.name, p->name, len); | |
1592 | if (p->value) { | |
1593 | len = strlen(p->value); | |
1594 | if (len >= sizeof(pdu.value)) { | |
1595 | len = sizeof(pdu.value) - 1; | |
1596 | pdu.truncated = __cpu_to_le16(1); | |
1597 | } | |
1598 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1599 | } |
0279b880 JA |
1600 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1601 | } | |
1602 | } | |
1603 | ||
d09a64a0 JA |
1604 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1605 | { | |
1606 | int i; | |
1607 | ||
1608 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1609 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1610 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1611 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1612 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1613 | } |
1614 | ||
504bc961 JA |
1615 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1616 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1617 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1618 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1619 | } |
1620 | ||
1621 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1622 | { | |
1623 | int i; | |
1624 | ||
59140421 JA |
1625 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1626 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1627 | |
1628 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1629 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1630 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1631 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1632 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1633 | } |
1634 | ||
504bc961 JA |
1635 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1636 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1637 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1638 | } |
1639 | ||
1640 | void fio_server_send_du(void) | |
1641 | { | |
1642 | struct disk_util *du; | |
1643 | struct flist_head *entry; | |
1644 | struct cmd_du_pdu pdu; | |
1645 | ||
1646 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1647 | ||
0766d92e JA |
1648 | memset(&pdu, 0, sizeof(pdu)); |
1649 | ||
d09a64a0 JA |
1650 | flist_for_each(entry, &disk_list) { |
1651 | du = flist_entry(entry, struct disk_util, list); | |
1652 | ||
1653 | convert_dus(&pdu.dus, &du->dus); | |
1654 | convert_agg(&pdu.agg, &du->agg); | |
1655 | ||
f77d4b73 | 1656 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1657 | } |
1658 | } | |
1659 | ||
3989b143 | 1660 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1661 | |
1662 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1663 | struct sk_entry **last_entry, | |
1664 | struct sk_entry *first) | |
1665 | { | |
1666 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1667 | ||
1668 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1669 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1670 | flist_add_tail(&(*last_entry)->list, &first->next); | |
1671 | ||
1672 | } | |
1673 | ||
1674 | /* | |
1675 | * Deflates the next input given, creating as many new packets in the | |
1676 | * linked list as necessary. | |
1677 | */ | |
1678 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1679 | struct sk_entry **last_entry, z_stream *stream, | |
1680 | struct sk_entry *first) | |
1681 | { | |
1682 | int ret; | |
1683 | ||
1684 | stream->next_in = next_in; | |
1685 | stream->avail_in = next_sz; | |
1686 | do { | |
1687 | if (! stream->avail_out) { | |
1688 | ||
1689 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); | |
1690 | ||
1691 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1692 | ||
1693 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1694 | stream->next_out = *out_pdu; | |
1695 | } | |
1696 | ||
1697 | ret = deflate(stream, Z_BLOCK); | |
1698 | ||
1699 | if (ret < 0) { | |
1700 | free(*out_pdu); | |
1701 | return 1; | |
1702 | } | |
1703 | } while (stream->avail_in); | |
1704 | ||
1705 | return 0; | |
1706 | } | |
1707 | ||
1708 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1709 | struct io_logs *cur_log, z_stream *stream) | |
1710 | { | |
1711 | struct sk_entry *entry; | |
1712 | void *out_pdu; | |
1713 | int ret, i, j; | |
1714 | int sample_sz = log_entry_sz(log); | |
1715 | ||
1716 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1717 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1718 | stream->next_out = out_pdu; | |
1719 | ||
1720 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1721 | struct io_sample *s; | |
1722 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
1723 | unsigned int *cur_plat, *prev_plat; | |
1724 | ||
1725 | s = get_sample(log, cur_log, i); | |
1726 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1727 | if (ret) | |
1728 | return ret; | |
1729 | ||
1730 | /* Do the subtraction on server side so that client doesn't have to | |
1731 | * reconstruct our linked list from packets. | |
1732 | */ | |
1733 | cur_plat_entry = s->plat_entry; | |
1734 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); | |
1735 | cur_plat = cur_plat_entry->io_u_plat; | |
1736 | prev_plat = prev_plat_entry->io_u_plat; | |
1737 | ||
1738 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1739 | cur_plat[j] -= prev_plat[j]; | |
1740 | } | |
1741 | ||
1742 | flist_del(&prev_plat_entry->list); | |
1743 | free(prev_plat_entry); | |
1744 | ||
1745 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1746 | &out_pdu, &entry, stream, first); | |
1747 | ||
1748 | if (ret) | |
1749 | return ret; | |
1750 | } | |
1751 | ||
1752 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1753 | ||
1754 | return 0; | |
1755 | } | |
1756 | ||
7e419452 JA |
1757 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1758 | struct io_logs *cur_log, z_stream *stream) | |
1759 | { | |
e35fb4c4 | 1760 | unsigned int this_len; |
1b42725f | 1761 | void *out_pdu; |
7e419452 | 1762 | int ret; |
1b42725f | 1763 | |
868f6f03 KC |
1764 | if (log->log_type == IO_LOG_TYPE_HIST) |
1765 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1766 | ||
7e419452 JA |
1767 | stream->next_in = (void *) cur_log->log; |
1768 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1769 | |
1770 | do { | |
e35fb4c4 | 1771 | struct sk_entry *entry; |
1b42725f | 1772 | |
7e419452 JA |
1773 | /* |
1774 | * Dirty - since the log is potentially huge, compress it into | |
1775 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1776 | * side defragment it. | |
1777 | */ | |
1778 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1779 | ||
1780 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1781 | stream->next_out = out_pdu; | |
e35fb4c4 | 1782 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1783 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1784 | if (ret < 0) { |
1785 | free(out_pdu); | |
1786 | return 1; | |
1787 | } | |
1b42725f | 1788 | |
7e419452 | 1789 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1790 | |
02594e37 | 1791 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1792 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
02594e37 | 1793 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1794 | } while (stream->avail_in); |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1800 | { | |
1801 | int ret = 0; | |
1802 | z_stream stream; | |
1803 | ||
1804 | memset(&stream, 0, sizeof(stream)); | |
1805 | stream.zalloc = Z_NULL; | |
1806 | stream.zfree = Z_NULL; | |
1807 | stream.opaque = Z_NULL; | |
1808 | ||
1809 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1810 | return 1; | |
1811 | ||
1812 | while (!flist_empty(&log->io_logs)) { | |
1813 | struct io_logs *cur_log; | |
1814 | ||
1815 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1816 | flist_del_init(&cur_log->list); | |
1817 | ||
1818 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1819 | if (ret) | |
1820 | break; | |
1821 | } | |
1b42725f | 1822 | |
e35fb4c4 JA |
1823 | ret = deflate(&stream, Z_FINISH); |
1824 | ||
1825 | while (ret != Z_STREAM_END) { | |
1826 | struct sk_entry *entry; | |
1827 | unsigned int this_len; | |
1828 | void *out_pdu; | |
1829 | ||
1830 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1831 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1832 | stream.next_out = out_pdu; | |
1833 | ||
1834 | ret = deflate(&stream, Z_FINISH); | |
1835 | /* may be Z_OK, or Z_STREAM_END */ | |
1836 | if (ret < 0) { | |
1837 | free(out_pdu); | |
1838 | break; | |
1839 | } | |
1840 | ||
1841 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1842 | ||
1843 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1844 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1845 | flist_add_tail(&entry->list, &first->next); | |
1846 | } while (ret != Z_STREAM_END); | |
1847 | ||
1848 | ret = deflateEnd(&stream); | |
1849 | if (ret == Z_OK) | |
1850 | return 0; | |
1851 | ||
1852 | return 1; | |
1b42725f | 1853 | } |
7e419452 JA |
1854 | #else |
1855 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1856 | { | |
1857 | return 1; | |
1858 | } | |
1859 | #endif | |
1b42725f | 1860 | |
dfc8e76c | 1861 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1862 | { |
1863 | struct sk_entry *entry; | |
1864 | struct flist_head *node; | |
1865 | ||
1866 | pthread_mutex_lock(&log->chunk_lock); | |
1867 | flist_for_each(node, &log->chunk_list) { | |
1868 | struct iolog_compress *c; | |
1869 | ||
1870 | c = flist_entry(node, struct iolog_compress, list); | |
1871 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1872 | NULL, SK_F_VEC | SK_F_INLINE); | |
1873 | flist_add_tail(&entry->list, &first->next); | |
1874 | } | |
1875 | pthread_mutex_unlock(&log->chunk_lock); | |
1876 | ||
1877 | return 0; | |
1878 | } | |
1879 | ||
dfc8e76c JA |
1880 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1881 | { | |
1882 | struct sk_entry *entry; | |
dfc8e76c | 1883 | |
7e419452 JA |
1884 | while (!flist_empty(&log->io_logs)) { |
1885 | struct io_logs *cur_log; | |
1886 | size_t size; | |
1887 | ||
1888 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1889 | flist_del_init(&cur_log->list); | |
1890 | ||
1891 | size = cur_log->nr_samples * log_entry_sz(log); | |
1892 | ||
1893 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1894 | NULL, SK_F_VEC | SK_F_INLINE); | |
1895 | flist_add_tail(&entry->list, &first->next); | |
1896 | } | |
1897 | ||
dfc8e76c JA |
1898 | return 0; |
1899 | } | |
1900 | ||
3989b143 JA |
1901 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1902 | { | |
1903 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1904 | struct sk_entry *first; |
7e419452 JA |
1905 | struct flist_head *entry; |
1906 | int ret = 0; | |
3989b143 | 1907 | |
7e419452 | 1908 | pdu.nr_samples = cpu_to_le64(iolog_nr_samples(log)); |
3989b143 | 1909 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1910 | pdu.log_type = cpu_to_le32(log->log_type); |
868f6f03 | 1911 | pdu.log_hist_coarseness = cpu_to_le32(log->hist_coarseness); |
0cba0f91 JA |
1912 | |
1913 | if (!flist_empty(&log->chunk_list)) | |
1914 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1915 | else if (use_zlib) | |
1916 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1917 | else | |
1918 | pdu.compressed = 0; | |
9bdb9265 JA |
1919 | |
1920 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1921 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1922 | |
0cba0f91 JA |
1923 | /* |
1924 | * We can't do this for a pre-compressed log, but for that case, | |
1925 | * log->nr_samples is zero anyway. | |
1926 | */ | |
7e419452 JA |
1927 | flist_for_each(entry, &log->io_logs) { |
1928 | struct io_logs *cur_log; | |
1929 | int i; | |
3989b143 | 1930 | |
7e419452 | 1931 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 1932 | |
7e419452 JA |
1933 | for (i = 0; i < cur_log->nr_samples; i++) { |
1934 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 1935 | |
7e419452 JA |
1936 | s->time = cpu_to_le64(s->time); |
1937 | s->val = cpu_to_le64(s->val); | |
1938 | s->__ddir = cpu_to_le32(s->__ddir); | |
1939 | s->bs = cpu_to_le32(s->bs); | |
1940 | ||
1941 | if (log->log_offset) { | |
1942 | struct io_sample_offset *so = (void *) s; | |
1943 | ||
1944 | so->offset = cpu_to_le64(so->offset); | |
1945 | } | |
ae588852 | 1946 | } |
3989b143 JA |
1947 | } |
1948 | ||
1949 | /* | |
02594e37 | 1950 | * Assemble header entry first |
3989b143 | 1951 | */ |
bead01d7 | 1952 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1953 | |
1954 | /* | |
dfc8e76c JA |
1955 | * Now append actual log entries. If log compression was enabled on |
1956 | * the job, just send out the compressed chunks directly. If we | |
1957 | * have a plain log, compress if we can, then send. Otherwise, send | |
1958 | * the plain text output. | |
3989b143 | 1959 | */ |
0cba0f91 | 1960 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1961 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1962 | else if (use_zlib) |
dfc8e76c JA |
1963 | ret = fio_append_iolog_gz(first, log); |
1964 | else | |
1965 | ret = fio_append_text_log(first, log); | |
3989b143 | 1966 | |
bead01d7 | 1967 | fio_net_queue_entry(first); |
f77d4b73 | 1968 | return ret; |
3989b143 JA |
1969 | } |
1970 | ||
2f122b13 | 1971 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1972 | { |
1973 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1974 | |
731e30a2 | 1975 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1976 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1977 | pdu.groupid = cpu_to_le32(td->groupid); | |
1978 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1979 | |
dfc8e76c JA |
1980 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
1981 | SK_F_COPY); | |
807f9971 JA |
1982 | } |
1983 | ||
122c7725 JA |
1984 | void fio_server_send_start(struct thread_data *td) |
1985 | { | |
f77d4b73 JA |
1986 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1987 | ||
1988 | assert(sk_out->sk != -1); | |
122c7725 | 1989 | |
a89ba4b1 | 1990 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
1991 | } |
1992 | ||
ca09be4b | 1993 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 1994 | void **datap) |
ca09be4b JA |
1995 | { |
1996 | struct thread_io_list *s; | |
1997 | struct cmd_sendfile out; | |
1998 | struct cmd_reply *rep; | |
1999 | uint64_t tag; | |
2000 | void *data; | |
c0d3245a | 2001 | int ret; |
ca09be4b JA |
2002 | |
2003 | dprint(FD_NET, "server: request verify state\n"); | |
2004 | ||
2005 | rep = smalloc(sizeof(*rep)); | |
81b3c86f | 2006 | if (!rep) |
c0d3245a | 2007 | return ENOMEM; |
ca09be4b JA |
2008 | |
2009 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
2010 | rep->data = NULL; | |
2011 | rep->error = 0; | |
2012 | ||
e499aedc JA |
2013 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2014 | threadnumber); | |
ca09be4b | 2015 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2016 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2017 | SK_F_COPY); | |
ca09be4b JA |
2018 | |
2019 | /* | |
2020 | * Wait for the backend to receive the reply | |
2021 | */ | |
09400a60 | 2022 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2023 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2024 | ret = ETIMEDOUT; |
ca09be4b JA |
2025 | goto fail; |
2026 | } | |
2027 | ||
2028 | if (rep->error) { | |
415c3133 JA |
2029 | log_err("fio: failure on receiving state file %s: %s\n", |
2030 | out.path, strerror(rep->error)); | |
c0d3245a | 2031 | ret = rep->error; |
ca09be4b JA |
2032 | fail: |
2033 | *datap = NULL; | |
2034 | sfree(rep); | |
f77d4b73 | 2035 | fio_net_queue_quit(); |
c0d3245a | 2036 | return ret; |
ca09be4b JA |
2037 | } |
2038 | ||
2039 | /* | |
2040 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2041 | * the header, and the thread_io_list checksum | |
2042 | */ | |
2043 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2044 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2045 | ret = EILSEQ; |
ca09be4b | 2046 | goto fail; |
c0d3245a | 2047 | } |
ca09be4b JA |
2048 | |
2049 | /* | |
2050 | * Don't need the header from now, copy just the thread_io_list | |
2051 | */ | |
c0d3245a | 2052 | ret = 0; |
ca09be4b JA |
2053 | rep->size -= sizeof(struct verify_state_hdr); |
2054 | data = malloc(rep->size); | |
2055 | memcpy(data, s, rep->size); | |
2056 | *datap = data; | |
2057 | ||
2058 | sfree(rep->data); | |
f5a42524 | 2059 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 2060 | sfree(rep); |
c0d3245a | 2061 | return ret; |
ca09be4b JA |
2062 | } |
2063 | ||
87aa8f19 | 2064 | static int fio_init_server_ip(void) |
81179eec | 2065 | { |
811826be | 2066 | struct sockaddr *addr; |
67bf9823 | 2067 | socklen_t socklen; |
17e3531a JA |
2068 | char buf[80]; |
2069 | const char *str; | |
87aa8f19 | 2070 | int sk, opt; |
81179eec | 2071 | |
811826be JA |
2072 | if (use_ipv6) |
2073 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2074 | else | |
2075 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2076 | ||
81179eec JA |
2077 | if (sk < 0) { |
2078 | log_err("fio: socket: %s\n", strerror(errno)); | |
2079 | return -1; | |
2080 | } | |
2081 | ||
2082 | opt = 1; | |
1f81991e | 2083 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2084 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2085 | close(sk); |
81179eec JA |
2086 | return -1; |
2087 | } | |
2088 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2089 | /* |
2090 | * Not fatal if fails, so just ignore it if that happens | |
2091 | */ | |
2092 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
2093 | #endif |
2094 | ||
811826be | 2095 | if (use_ipv6) { |
17e3531a JA |
2096 | const void *src = &saddr_in6.sin6_addr; |
2097 | ||
811826be JA |
2098 | addr = (struct sockaddr *) &saddr_in6; |
2099 | socklen = sizeof(saddr_in6); | |
2100 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2101 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2102 | } else { |
17e3531a JA |
2103 | const void *src = &saddr_in.sin_addr; |
2104 | ||
811826be JA |
2105 | addr = (struct sockaddr *) &saddr_in; |
2106 | socklen = sizeof(saddr_in); | |
2107 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2108 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2109 | } |
81179eec | 2110 | |
811826be | 2111 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2112 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2113 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2114 | close(sk); |
81179eec JA |
2115 | return -1; |
2116 | } | |
2117 | ||
87aa8f19 JA |
2118 | return sk; |
2119 | } | |
2120 | ||
2121 | static int fio_init_server_sock(void) | |
2122 | { | |
2123 | struct sockaddr_un addr; | |
67bf9823 | 2124 | socklen_t len; |
87aa8f19 JA |
2125 | mode_t mode; |
2126 | int sk; | |
2127 | ||
2128 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2129 | if (sk < 0) { | |
2130 | log_err("fio: socket: %s\n", strerror(errno)); | |
2131 | return -1; | |
2132 | } | |
2133 | ||
2134 | mode = umask(000); | |
2135 | ||
2136 | memset(&addr, 0, sizeof(addr)); | |
2137 | addr.sun_family = AF_UNIX; | |
a48fddbc | 2138 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
2139 | |
2140 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2141 | ||
2142 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2143 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2144 | close(sk); |
87aa8f19 JA |
2145 | return -1; |
2146 | } | |
2147 | ||
2148 | umask(mode); | |
2149 | return sk; | |
2150 | } | |
2151 | ||
2152 | static int fio_init_server_connection(void) | |
2153 | { | |
bebe6398 | 2154 | char bind_str[128]; |
87aa8f19 JA |
2155 | int sk; |
2156 | ||
2157 | dprint(FD_NET, "starting server\n"); | |
2158 | ||
2159 | if (!bind_sock) | |
2160 | sk = fio_init_server_ip(); | |
2161 | else | |
2162 | sk = fio_init_server_sock(); | |
2163 | ||
2164 | if (sk < 0) | |
2165 | return sk; | |
2166 | ||
afdcad23 JA |
2167 | memset(bind_str, 0, sizeof(bind_str)); |
2168 | ||
811826be JA |
2169 | if (!bind_sock) { |
2170 | char *p, port[16]; | |
2171 | const void *src; | |
2172 | int af; | |
2173 | ||
2174 | if (use_ipv6) { | |
2175 | af = AF_INET6; | |
2176 | src = &saddr_in6.sin6_addr; | |
2177 | } else { | |
2178 | af = AF_INET; | |
2179 | src = &saddr_in.sin_addr; | |
2180 | } | |
2181 | ||
2182 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2183 | ||
2184 | sprintf(port, ",%u", fio_net_port); | |
2185 | if (p) | |
2186 | strcat(p, port); | |
2187 | else | |
afdcad23 | 2188 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 2189 | } else |
afdcad23 | 2190 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
2191 | |
2192 | log_info("fio: server listening on %s\n", bind_str); | |
2193 | ||
1e1507df | 2194 | if (listen(sk, 4) < 0) { |
81179eec | 2195 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2196 | close(sk); |
81179eec JA |
2197 | return -1; |
2198 | } | |
2199 | ||
87aa8f19 JA |
2200 | return sk; |
2201 | } | |
2202 | ||
3aa3ceeb | 2203 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2204 | struct in6_addr *inp6) |
2205 | ||
2206 | { | |
2207 | int ret = 0; | |
2208 | ||
3aa3ceeb | 2209 | if (ipv6) |
3ec62ec4 JA |
2210 | ret = inet_pton(AF_INET6, host, inp6); |
2211 | else | |
2212 | ret = inet_pton(AF_INET, host, inp); | |
2213 | ||
2214 | if (ret != 1) { | |
479471c4 JA |
2215 | struct addrinfo hints, *res; |
2216 | ||
2217 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2218 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2219 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2220 | |
479471c4 JA |
2221 | ret = getaddrinfo(host, NULL, &hints, &res); |
2222 | if (ret) { | |
2223 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2224 | gai_strerror(ret)); | |
3caf43e3 | 2225 | return 1; |
3ec62ec4 JA |
2226 | } |
2227 | ||
3aa3ceeb | 2228 | if (ipv6) |
479471c4 JA |
2229 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2230 | else | |
2231 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2232 | ||
3ec62ec4 | 2233 | ret = 1; |
479471c4 | 2234 | freeaddrinfo(res); |
3ec62ec4 JA |
2235 | } |
2236 | ||
2237 | return !(ret == 1); | |
2238 | } | |
2239 | ||
660a2bfb JA |
2240 | /* |
2241 | * Parse a host/ip/port string. Reads from 'str'. | |
2242 | * | |
2243 | * Outputs: | |
2244 | * | |
2245 | * For IPv4: | |
2246 | * *ptr is the host, *port is the port, inp is the destination. | |
2247 | * For IPv6: | |
2248 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2249 | * For local domain sockets: | |
2250 | * *ptr is the filename, *is_sock is 1. | |
2251 | */ | |
bebe6398 | 2252 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2253 | int *port, struct in_addr *inp, |
2254 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2255 | { |
76867621 JA |
2256 | const char *host = str; |
2257 | char *portp; | |
3ec62ec4 | 2258 | int lport = 0; |
76867621 | 2259 | |
bebe6398 JA |
2260 | *ptr = NULL; |
2261 | *is_sock = 0; | |
6d2cf394 | 2262 | *port = fio_net_port; |
811826be | 2263 | *ipv6 = 0; |
bebe6398 JA |
2264 | |
2265 | if (!strncmp(str, "sock:", 5)) { | |
2266 | *ptr = strdup(str + 5); | |
2267 | *is_sock = 1; | |
76867621 JA |
2268 | |
2269 | return 0; | |
2270 | } | |
2271 | ||
2272 | /* | |
2273 | * Is it ip:<ip or host>:port | |
2274 | */ | |
2275 | if (!strncmp(host, "ip:", 3)) | |
2276 | host += 3; | |
2277 | else if (!strncmp(host, "ip4:", 4)) | |
2278 | host += 4; | |
2279 | else if (!strncmp(host, "ip6:", 4)) { | |
2280 | host += 4; | |
2281 | *ipv6 = 1; | |
2282 | } else if (host[0] == ':') { | |
2283 | /* String is :port */ | |
2284 | host++; | |
2285 | lport = atoi(host); | |
2286 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2287 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2288 | return 1; |
2289 | } | |
2290 | /* no hostname given, we are done */ | |
2291 | *port = lport; | |
2292 | return 0; | |
2293 | } | |
2294 | ||
2295 | /* | |
b96b90c3 | 2296 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2297 | */ |
2298 | if (!lport) { | |
2299 | portp = strchr(host, ','); | |
2300 | if (portp) { | |
2301 | *portp = '\0'; | |
2302 | portp++; | |
2303 | lport = atoi(portp); | |
bebe6398 | 2304 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2305 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2306 | return 1; |
2307 | } | |
bebe6398 | 2308 | } |
76867621 | 2309 | } |
bebe6398 | 2310 | |
76867621 JA |
2311 | if (lport) |
2312 | *port = lport; | |
bebe6398 | 2313 | |
76867621 JA |
2314 | if (!strlen(host)) |
2315 | return 0; | |
bebe6398 | 2316 | |
76867621 | 2317 | *ptr = strdup(host); |
811826be | 2318 | |
3aa3ceeb | 2319 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2320 | free(*ptr); |
2321 | *ptr = NULL; | |
2322 | return 1; | |
bebe6398 JA |
2323 | } |
2324 | ||
2325 | if (*port == 0) | |
2326 | *port = fio_net_port; | |
2327 | ||
2328 | return 0; | |
2329 | } | |
2330 | ||
87aa8f19 JA |
2331 | /* |
2332 | * Server arg should be one of: | |
2333 | * | |
2334 | * sock:/path/to/socket | |
2335 | * ip:1.2.3.4 | |
2336 | * 1.2.3.4 | |
2337 | * | |
2338 | * Where sock uses unix domain sockets, and ip binds the server to | |
2339 | * a specific interface. If no arguments are given to the server, it | |
2340 | * uses IP and binds to 0.0.0.0. | |
2341 | * | |
2342 | */ | |
2343 | static int fio_handle_server_arg(void) | |
2344 | { | |
6d2cf394 | 2345 | int port = fio_net_port; |
a7de0a11 | 2346 | int is_sock, ret = 0; |
bebe6398 | 2347 | |
87aa8f19 JA |
2348 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2349 | ||
2350 | if (!fio_server_arg) | |
a7de0a11 | 2351 | goto out; |
87aa8f19 | 2352 | |
4e5b8fb8 | 2353 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2354 | &port, &saddr_in.sin_addr, |
2355 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2356 | |
2357 | if (!is_sock && bind_sock) { | |
2358 | free(bind_sock); | |
2359 | bind_sock = NULL; | |
2360 | } | |
2361 | ||
a7de0a11 | 2362 | out: |
6d2cf394 JA |
2363 | fio_net_port = port; |
2364 | saddr_in.sin_port = htons(port); | |
811826be | 2365 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2366 | return ret; |
87aa8f19 JA |
2367 | } |
2368 | ||
43cdea1d JA |
2369 | static void sig_int(int sig) |
2370 | { | |
2371 | if (bind_sock) | |
2372 | unlink(bind_sock); | |
2373 | } | |
2374 | ||
2375 | static void set_sig_handlers(void) | |
2376 | { | |
2377 | struct sigaction act; | |
2378 | ||
2379 | memset(&act, 0, sizeof(act)); | |
2380 | act.sa_handler = sig_int; | |
2381 | act.sa_flags = SA_RESTART; | |
2382 | sigaction(SIGINT, &act, NULL); | |
2383 | } | |
2384 | ||
518a1cf0 JA |
2385 | void fio_server_destroy_sk_key(void) |
2386 | { | |
2387 | pthread_key_delete(sk_out_key); | |
2388 | } | |
2389 | ||
3d80c735 | 2390 | int fio_server_create_sk_key(void) |
87aa8f19 | 2391 | { |
9c003782 JA |
2392 | if (pthread_key_create(&sk_out_key, NULL)) { |
2393 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2394 | return 1; |
9c003782 JA |
2395 | } |
2396 | ||
2397 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2398 | return 0; |
2399 | } | |
2400 | ||
2401 | static int fio_server(void) | |
2402 | { | |
2403 | int sk, ret; | |
9c003782 | 2404 | |
87aa8f19 JA |
2405 | dprint(FD_NET, "starting server\n"); |
2406 | ||
2407 | if (fio_handle_server_arg()) | |
2408 | return -1; | |
2409 | ||
2410 | sk = fio_init_server_connection(); | |
2411 | if (sk < 0) | |
2412 | return -1; | |
81179eec | 2413 | |
43cdea1d JA |
2414 | set_sig_handlers(); |
2415 | ||
ea1cd038 | 2416 | ret = accept_loop(sk); |
87aa8f19 | 2417 | |
81179eec | 2418 | close(sk); |
87aa8f19 JA |
2419 | |
2420 | if (fio_server_arg) { | |
2421 | free(fio_server_arg); | |
2422 | fio_server_arg = NULL; | |
2423 | } | |
bebe6398 JA |
2424 | if (bind_sock) |
2425 | free(bind_sock); | |
87aa8f19 | 2426 | |
81179eec JA |
2427 | return ret; |
2428 | } | |
2429 | ||
7b821684 | 2430 | void fio_server_got_signal(int signal) |
9abea48b | 2431 | { |
f77d4b73 JA |
2432 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2433 | ||
2434 | assert(sk_out); | |
2435 | ||
7b821684 | 2436 | if (signal == SIGPIPE) |
f77d4b73 | 2437 | sk_out->sk = -1; |
7b821684 JA |
2438 | else { |
2439 | log_info("\nfio: terminating on signal %d\n", signal); | |
2440 | exit_backend = 1; | |
2441 | } | |
9abea48b JA |
2442 | } |
2443 | ||
13755d94 JA |
2444 | static int check_existing_pidfile(const char *pidfile) |
2445 | { | |
2446 | struct stat sb; | |
2447 | char buf[16]; | |
2448 | pid_t pid; | |
2449 | FILE *f; | |
2450 | ||
2451 | if (stat(pidfile, &sb)) | |
2452 | return 0; | |
2453 | ||
2454 | f = fopen(pidfile, "r"); | |
2455 | if (!f) | |
2456 | return 0; | |
2457 | ||
bfc3b179 | 2458 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2459 | fclose(f); |
2460 | return 1; | |
2461 | } | |
2462 | fclose(f); | |
2463 | ||
2464 | pid = atoi(buf); | |
2465 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2466 | return errno != ESRCH; |
13755d94 JA |
2467 | |
2468 | return 1; | |
2469 | } | |
2470 | ||
2471 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2472 | { |
2473 | FILE *fpid; | |
2474 | ||
2475 | fpid = fopen(pidfile, "w"); | |
2476 | if (!fpid) { | |
2477 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2478 | return 1; |
402668f3 JA |
2479 | } |
2480 | ||
2481 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2482 | fclose(fpid); |
2483 | return 0; | |
402668f3 JA |
2484 | } |
2485 | ||
2486 | /* | |
2487 | * If pidfile is specified, background us. | |
2488 | */ | |
2489 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2490 | { |
2491 | pid_t pid; | |
402668f3 | 2492 | int ret; |
e46d8091 | 2493 | |
93bcfd20 | 2494 | #if defined(WIN32) |
905c78b9 | 2495 | WSADATA wsd; |
3c3ed070 | 2496 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2497 | #endif |
2498 | ||
402668f3 | 2499 | if (!pidfile) |
e46d8091 JA |
2500 | return fio_server(); |
2501 | ||
13755d94 JA |
2502 | if (check_existing_pidfile(pidfile)) { |
2503 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2504 | pidfile); | |
b8ba87ac | 2505 | free(pidfile); |
13755d94 JA |
2506 | return -1; |
2507 | } | |
2508 | ||
e46d8091 JA |
2509 | pid = fork(); |
2510 | if (pid < 0) { | |
13755d94 | 2511 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2512 | free(pidfile); |
c28e8e8c | 2513 | return -1; |
402668f3 | 2514 | } else if (pid) { |
8a1db9a1 | 2515 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2516 | free(pidfile); |
44c8268d | 2517 | _exit(ret); |
402668f3 | 2518 | } |
e46d8091 JA |
2519 | |
2520 | setsid(); | |
13755d94 JA |
2521 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2522 | log_syslog = 1; | |
e46d8091 JA |
2523 | close(STDIN_FILENO); |
2524 | close(STDOUT_FILENO); | |
2525 | close(STDERR_FILENO); | |
2526 | f_out = NULL; | |
2527 | f_err = NULL; | |
402668f3 JA |
2528 | |
2529 | ret = fio_server(); | |
2530 | ||
2531 | closelog(); | |
2532 | unlink(pidfile); | |
2533 | free(pidfile); | |
2534 | return ret; | |
e46d8091 | 2535 | } |
87aa8f19 | 2536 | |
bebe6398 | 2537 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2538 | { |
2539 | fio_server_arg = strdup(arg); | |
2540 | } |