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); | |
581 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
582 | return 0; |
583 | } | |
584 | ||
89c1707c | 585 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 586 | { |
178cde9f | 587 | struct fio_net_cmd cmd; |
132159a5 | 588 | |
af9c9fb3 | 589 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
590 | fio_net_cmd_crc(&cmd); |
591 | ||
592 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
593 | } | |
594 | ||
89c1707c JA |
595 | /* |
596 | * If 'list' is non-NULL, then allocate and store the sent command for | |
597 | * later verification. | |
598 | */ | |
599 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
600 | struct flist_head *list) | |
601 | { | |
89c1707c JA |
602 | int ret; |
603 | ||
40c60516 JA |
604 | if (list) |
605 | tag = alloc_reply(tag, opcode); | |
89c1707c | 606 | |
40c60516 | 607 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 608 | if (ret) { |
40c60516 JA |
609 | if (list) |
610 | free_reply(tag); | |
611 | ||
89c1707c JA |
612 | return ret; |
613 | } | |
614 | ||
40c60516 JA |
615 | if (list) |
616 | add_reply(tag, list); | |
617 | ||
89c1707c JA |
618 | return 0; |
619 | } | |
620 | ||
f77d4b73 JA |
621 | static int fio_net_queue_quit(void) |
622 | { | |
623 | dprint(FD_NET, "server: sending quit\n"); | |
624 | ||
a89ba4b1 | 625 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
626 | } |
627 | ||
122c7725 | 628 | int fio_net_send_quit(int sk) |
437377e1 | 629 | { |
46c48f1f | 630 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 631 | |
8c95307b | 632 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
633 | } |
634 | ||
f77d4b73 | 635 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 636 | { |
11e950bd | 637 | struct cmd_end_pdu epdu; |
f58bd2a4 | 638 | uint64_t tag = 0; |
122c7725 | 639 | |
f58bd2a4 JA |
640 | if (cmd) |
641 | tag = cmd->tag; | |
122c7725 JA |
642 | |
643 | epdu.error = __cpu_to_le32(error); | |
644 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 645 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
646 | } |
647 | ||
f77d4b73 | 648 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
649 | { |
650 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 651 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
652 | } |
653 | ||
654 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
655 | { | |
656 | struct fio_fork_item *ffi; | |
657 | ||
658 | ffi = malloc(sizeof(*ffi)); | |
659 | ffi->exitval = 0; | |
660 | ffi->signal = 0; | |
661 | ffi->exited = 0; | |
662 | ffi->pid = pid; | |
663 | flist_add_tail(&ffi->list, list); | |
664 | } | |
665 | ||
6348b5de | 666 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 667 | { |
a7533dbd | 668 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 669 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
670 | } |
671 | ||
6348b5de | 672 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 673 | { |
a7533dbd | 674 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 675 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
676 | } |
677 | ||
678 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
679 | { | |
680 | int ret, status; | |
681 | ||
682 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
683 | if (ret < 0) { | |
684 | if (errno == ECHILD) { | |
a7533dbd | 685 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
686 | ffi->exited = 1; |
687 | } else | |
688 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
689 | } else if (ret == ffi->pid) { | |
690 | if (WIFSIGNALED(status)) { | |
691 | ffi->signal = WTERMSIG(status); | |
692 | ffi->exited = 1; | |
693 | } | |
694 | if (WIFEXITED(status)) { | |
695 | if (WEXITSTATUS(status)) | |
696 | ffi->exitval = WEXITSTATUS(status); | |
697 | ffi->exited = 1; | |
698 | } | |
699 | } | |
700 | } | |
701 | ||
f77d4b73 | 702 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 703 | { |
a7533dbd | 704 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
705 | |
706 | /* | |
707 | * Fold STOP and QUIT... | |
708 | */ | |
f77d4b73 JA |
709 | if (stop) { |
710 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
711 | fio_net_queue_quit(); | |
712 | } | |
713 | ||
122c7725 JA |
714 | flist_del(&ffi->list); |
715 | free(ffi); | |
716 | } | |
717 | ||
f77d4b73 | 718 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
719 | { |
720 | struct flist_head *entry, *tmp; | |
721 | struct fio_fork_item *ffi; | |
722 | ||
723 | flist_for_each_safe(entry, tmp, list) { | |
724 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
725 | ||
726 | fio_server_check_fork_item(ffi); | |
727 | ||
728 | if (ffi->exited) | |
f77d4b73 | 729 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
730 | } |
731 | } | |
732 | ||
6348b5de | 733 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 734 | { |
f77d4b73 | 735 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
736 | } |
737 | ||
6348b5de | 738 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 739 | { |
f77d4b73 | 740 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
741 | } |
742 | ||
323255cc JA |
743 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
744 | { | |
745 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
746 | void *file_name = pdu->file; | |
747 | struct cmd_start_pdu spdu; | |
748 | ||
749 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
750 | ||
751 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
752 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
753 | ||
754 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 755 | fio_net_queue_quit(); |
323255cc JA |
756 | return -1; |
757 | } | |
758 | ||
759 | spdu.jobs = cpu_to_le32(thread_number); | |
760 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 761 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
762 | return 0; |
763 | } | |
764 | ||
f77d4b73 JA |
765 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
766 | struct fio_net_cmd *cmd) | |
122c7725 JA |
767 | { |
768 | pid_t pid; | |
a64e88da | 769 | int ret; |
132159a5 | 770 | |
c0d3245a JA |
771 | sk_out_assign(sk_out); |
772 | ||
cbb1303c | 773 | fio_time_init(); |
122c7725 | 774 | set_genesis_time(); |
11e950bd | 775 | |
122c7725 JA |
776 | pid = fork(); |
777 | if (pid) { | |
6348b5de | 778 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
779 | return 0; |
780 | } | |
11e950bd | 781 | |
24660963 | 782 | ret = fio_backend(sk_out); |
2bb3f0a7 | 783 | free_threads_shm(); |
c0d3245a | 784 | sk_out_drop(); |
122c7725 | 785 | _exit(ret); |
81179eec JA |
786 | } |
787 | ||
b9d2f30a JA |
788 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
789 | { | |
46bcd498 JA |
790 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
791 | void *buf = pdu->buf; | |
b9d2f30a JA |
792 | struct cmd_start_pdu spdu; |
793 | ||
46bcd498 JA |
794 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
795 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
796 | ||
797 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 798 | fio_net_queue_quit(); |
b9d2f30a JA |
799 | return -1; |
800 | } | |
801 | ||
802 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 803 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
804 | |
805 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
806 | return 0; |
807 | } | |
808 | ||
81179eec JA |
809 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
810 | { | |
fa2ea806 JA |
811 | void *pdu = cmd->payload; |
812 | struct cmd_single_line_pdu *cslp; | |
813 | struct cmd_line_pdu *clp; | |
814 | unsigned long offset; | |
b9d2f30a | 815 | struct cmd_start_pdu spdu; |
fa2ea806 | 816 | char **argv; |
b9d2f30a | 817 | int i; |
81179eec | 818 | |
fa2ea806 JA |
819 | clp = pdu; |
820 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 821 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
822 | argv = malloc(clp->lines * sizeof(char *)); |
823 | offset = sizeof(*clp); | |
81179eec | 824 | |
fa2ea806 | 825 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 826 | |
fa2ea806 JA |
827 | for (i = 0; i < clp->lines; i++) { |
828 | cslp = pdu + offset; | |
829 | argv[i] = (char *) cslp->text; | |
830 | ||
831 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
832 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
833 | } | |
81179eec | 834 | |
46bcd498 | 835 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 836 | fio_net_queue_quit(); |
fa2ea806 | 837 | free(argv); |
81179eec | 838 | return -1; |
e6d1c668 | 839 | } |
81179eec | 840 | |
fa2ea806 JA |
841 | free(argv); |
842 | ||
b9d2f30a | 843 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 844 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
845 | |
846 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 847 | return 0; |
132159a5 JA |
848 | } |
849 | ||
c28e8e8c JA |
850 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
851 | { | |
3989b143 JA |
852 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
853 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 854 | uint64_t tag = cmd->tag; |
c28e8e8c | 855 | |
89c1707c JA |
856 | dprint(FD_NET, "server: sending probe reply\n"); |
857 | ||
ca09be4b JA |
858 | strcpy(me, (char *) pdu->server); |
859 | ||
c28e8e8c JA |
860 | memset(&probe, 0, sizeof(probe)); |
861 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 862 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
863 | probe.bigendian = 1; |
864 | #endif | |
750db473 | 865 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 866 | |
cca84643 JA |
867 | probe.os = FIO_OS; |
868 | probe.arch = FIO_ARCH; | |
38fdef22 | 869 | probe.bpp = sizeof(void *); |
d31e26d0 | 870 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
871 | |
872 | /* | |
873 | * If the client supports compression and we do too, then enable it | |
874 | */ | |
875 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
876 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
877 | use_zlib = 1; | |
878 | } else { | |
879 | probe.flags = 0; | |
880 | use_zlib = 0; | |
881 | } | |
38fdef22 | 882 | |
f77d4b73 | 883 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
884 | } |
885 | ||
886 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
887 | { | |
888 | struct jobs_eta *je; | |
40c60516 | 889 | uint64_t tag = cmd->tag; |
723297c9 | 890 | size_t size; |
af9c9fb3 JA |
891 | int i; |
892 | ||
e123c833 JA |
893 | dprint(FD_NET, "server sending status\n"); |
894 | ||
895 | /* | |
896 | * Fake ETA return if we don't have a local one, otherwise the client | |
897 | * will end up timing out waiting for a response to the ETA request | |
898 | */ | |
c5103619 | 899 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
900 | if (!je) { |
901 | size = sizeof(*je); | |
902 | je = calloc(1, size); | |
903 | } else { | |
e123c833 JA |
904 | je->nr_running = cpu_to_le32(je->nr_running); |
905 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
906 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
907 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
908 | je->files_open = cpu_to_le32(je->files_open); | |
909 | ||
910 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
911 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
912 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
913 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
914 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
915 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
916 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
917 | } | |
af9c9fb3 | 918 | |
e123c833 JA |
919 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
920 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
921 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
922 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
923 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
924 | } |
925 | ||
f77d4b73 | 926 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 927 | return 0; |
c28e8e8c JA |
928 | } |
929 | ||
f77d4b73 | 930 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
931 | { |
932 | uint64_t tag = __tag; | |
933 | uint32_t pdu_error; | |
934 | ||
935 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 936 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
937 | } |
938 | ||
f58bd2a4 JA |
939 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
940 | { | |
941 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
942 | struct thread_data *td; | |
943 | uint32_t tnumber; | |
944 | ||
945 | tnumber = le32_to_cpu(pdu->thread_number); | |
946 | ||
947 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
948 | ||
30ffacbf | 949 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 950 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
951 | return 0; |
952 | } | |
953 | ||
30ffacbf | 954 | td = &threads[tnumber - 1]; |
f58bd2a4 | 955 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 956 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
957 | return 0; |
958 | } | |
959 | ||
ca09be4b JA |
960 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
961 | { | |
962 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
963 | char *buf = (char *) pdu->cmd; | |
964 | struct all_io_list *rep; | |
965 | size_t sz; | |
966 | ||
967 | pdu->len = le16_to_cpu(pdu->len); | |
968 | buf[pdu->len] = '\0'; | |
969 | ||
970 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
971 | if (!rep) { | |
972 | struct all_io_list state; | |
973 | ||
974 | state.threads = cpu_to_le64((uint64_t) 0); | |
a89c77ab | 975 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE); |
f77d4b73 | 976 | } else |
a89c77ab | 977 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE); |
ca09be4b JA |
978 | |
979 | exec_trigger(buf); | |
980 | return 0; | |
981 | } | |
982 | ||
f77d4b73 JA |
983 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
984 | struct fio_net_cmd *cmd) | |
132159a5 JA |
985 | { |
986 | int ret; | |
987 | ||
4b91ee8f JA |
988 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
989 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
990 | (unsigned long long) cmd->tag); | |
46c48f1f | 991 | |
132159a5 JA |
992 | switch (cmd->opcode) { |
993 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 994 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
995 | ret = 0; |
996 | break; | |
d7959186 | 997 | case FIO_NET_CMD_EXIT: |
132159a5 | 998 | exit_backend = 1; |
c28e8e8c | 999 | return -1; |
323255cc JA |
1000 | case FIO_NET_CMD_LOAD_FILE: |
1001 | ret = handle_load_file_cmd(cmd); | |
1002 | break; | |
132159a5 | 1003 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1004 | ret = handle_job_cmd(cmd); |
132159a5 | 1005 | break; |
81179eec JA |
1006 | case FIO_NET_CMD_JOBLINE: |
1007 | ret = handle_jobline_cmd(cmd); | |
1008 | break; | |
c28e8e8c JA |
1009 | case FIO_NET_CMD_PROBE: |
1010 | ret = handle_probe_cmd(cmd); | |
1011 | break; | |
af9c9fb3 JA |
1012 | case FIO_NET_CMD_SEND_ETA: |
1013 | ret = handle_send_eta_cmd(cmd); | |
1014 | break; | |
b9d2f30a | 1015 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1016 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1017 | break; |
f58bd2a4 JA |
1018 | case FIO_NET_CMD_UPDATE_JOB: |
1019 | ret = handle_update_job_cmd(cmd); | |
1020 | break; | |
ca09be4b JA |
1021 | case FIO_NET_CMD_VTRIGGER: |
1022 | ret = handle_trigger_cmd(cmd); | |
1023 | break; | |
1024 | case FIO_NET_CMD_SENDFILE: { | |
1025 | struct cmd_sendfile_reply *in; | |
1026 | struct cmd_reply *rep; | |
1027 | ||
1028 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1029 | ||
1030 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1031 | in->size = le32_to_cpu(in->size); | |
1032 | in->error = le32_to_cpu(in->error); | |
1033 | if (in->error) { | |
1034 | ret = 1; | |
1035 | rep->error = in->error; | |
1036 | } else { | |
1037 | ret = 0; | |
1038 | rep->data = smalloc(in->size); | |
1039 | if (!rep->data) { | |
1040 | ret = 1; | |
1041 | rep->error = ENOMEM; | |
1042 | } else { | |
1043 | rep->size = in->size; | |
1044 | memcpy(rep->data, in->data, in->size); | |
1045 | } | |
1046 | } | |
1047 | fio_mutex_up(&rep->lock); | |
1048 | break; | |
1049 | } | |
132159a5 | 1050 | default: |
3c3ed070 | 1051 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1052 | ret = 1; |
1053 | } | |
1054 | ||
1055 | return ret; | |
1056 | } | |
1057 | ||
02594e37 JA |
1058 | /* |
1059 | * Send a command with a separate PDU, not inlined in the command | |
1060 | */ | |
1061 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1062 | off_t size, uint64_t tag, uint32_t flags) | |
1063 | { | |
1064 | struct fio_net_cmd cmd; | |
1065 | struct iovec iov[2]; | |
7c922795 JA |
1066 | size_t this_len; |
1067 | int ret; | |
02594e37 JA |
1068 | |
1069 | iov[0].iov_base = (void *) &cmd; | |
1070 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1071 | |
7c922795 JA |
1072 | do { |
1073 | uint32_t this_flags = flags; | |
1074 | ||
1075 | this_len = size; | |
1076 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1077 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1078 | ||
1079 | if (this_len < size) | |
1080 | this_flags |= FIO_NET_CMD_F_MORE; | |
1081 | ||
1082 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1083 | cmd.flags = __cpu_to_le32(this_flags); | |
1084 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1085 | |
7c922795 JA |
1086 | iov[1].iov_base = (void *) buf; |
1087 | iov[1].iov_len = this_len; | |
1088 | ||
1089 | ret = fio_sendv_data(sk, iov, 2); | |
1090 | size -= this_len; | |
1091 | buf += this_len; | |
1092 | } while (!ret && size); | |
1093 | ||
1094 | return ret; | |
02594e37 JA |
1095 | } |
1096 | ||
1097 | static void finish_entry(struct sk_entry *entry) | |
1098 | { | |
1099 | if (entry->flags & SK_F_FREE) | |
1100 | free(entry->buf); | |
1101 | else if (entry->flags & SK_F_COPY) | |
1102 | sfree(entry->buf); | |
1103 | ||
1104 | sfree(entry); | |
1105 | } | |
1106 | ||
ba1891d2 JA |
1107 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1108 | unsigned int *flags) | |
02594e37 | 1109 | { |
b3882320 JA |
1110 | if (!flist_empty(list)) |
1111 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1112 | else |
b3882320 | 1113 | *flags = 0; |
b3882320 | 1114 | } |
02594e37 | 1115 | |
b3882320 JA |
1116 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1117 | { | |
1118 | unsigned int flags; | |
b3882320 JA |
1119 | int ret; |
1120 | ||
ba1891d2 | 1121 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1122 | |
ba1891d2 JA |
1123 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1124 | first->size, first->tag, flags); | |
02594e37 JA |
1125 | |
1126 | while (!flist_empty(&first->next)) { | |
1127 | struct sk_entry *next; | |
1128 | ||
1129 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1130 | flist_del_init(&next->list); | |
02594e37 | 1131 | |
ba1891d2 | 1132 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1133 | |
ba1891d2 JA |
1134 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1135 | next->size, next->tag, flags); | |
02594e37 JA |
1136 | finish_entry(next); |
1137 | } | |
b3882320 JA |
1138 | |
1139 | return ret; | |
02594e37 JA |
1140 | } |
1141 | ||
b3882320 | 1142 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1143 | { |
b3882320 JA |
1144 | int ret; |
1145 | ||
bead01d7 JA |
1146 | fio_mutex_down(&sk_out->xmit); |
1147 | ||
02594e37 | 1148 | if (entry->flags & SK_F_VEC) |
b3882320 | 1149 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1150 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1151 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1152 | entry->tag, NULL); | |
dfc8e76c JA |
1153 | } else { |
1154 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1155 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1156 | } |
b3882320 | 1157 | |
bead01d7 JA |
1158 | fio_mutex_up(&sk_out->xmit); |
1159 | ||
b3882320 JA |
1160 | if (ret) |
1161 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1162 | |
02594e37 | 1163 | finish_entry(entry); |
b3882320 | 1164 | return ret; |
f77d4b73 JA |
1165 | } |
1166 | ||
b3882320 | 1167 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1168 | { |
1169 | struct sk_entry *entry; | |
1170 | FLIST_HEAD(list); | |
b3882320 | 1171 | int ret = 0; |
f77d4b73 JA |
1172 | |
1173 | sk_lock(sk_out); | |
1174 | if (flist_empty(&sk_out->list)) { | |
1175 | sk_unlock(sk_out); | |
b3882320 | 1176 | return 0; |
f77d4b73 JA |
1177 | } |
1178 | ||
1179 | flist_splice_init(&sk_out->list, &list); | |
1180 | sk_unlock(sk_out); | |
1181 | ||
1182 | while (!flist_empty(&list)) { | |
1183 | entry = flist_entry(list.next, struct sk_entry, list); | |
1184 | flist_del(&entry->list); | |
b3882320 | 1185 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1186 | } |
b3882320 JA |
1187 | |
1188 | return ret; | |
f77d4b73 JA |
1189 | } |
1190 | ||
1191 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1192 | { |
1193 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1194 | FLIST_HEAD(job_list); |
132159a5 JA |
1195 | int ret = 0; |
1196 | ||
122c7725 | 1197 | reset_fio_state(); |
122c7725 | 1198 | |
132159a5 JA |
1199 | /* read forever */ |
1200 | while (!exit_backend) { | |
e951bdc4 | 1201 | struct pollfd pfd = { |
f77d4b73 | 1202 | .fd = sk_out->sk, |
e951bdc4 JA |
1203 | .events = POLLIN, |
1204 | }; | |
1205 | ||
1206 | ret = 0; | |
1207 | do { | |
54163255 JA |
1208 | int timeout = 1000; |
1209 | ||
1210 | if (!flist_empty(&job_list)) | |
1211 | timeout = 100; | |
3c3ed070 | 1212 | |
f77d4b73 JA |
1213 | handle_xmits(sk_out); |
1214 | ||
1215 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1216 | if (ret < 0) { |
1217 | if (errno == EINTR) | |
1218 | break; | |
1219 | log_err("fio: poll: %s\n", strerror(errno)); | |
1220 | break; | |
19c65179 | 1221 | } else if (!ret) { |
6348b5de | 1222 | fio_server_check_jobs(&job_list); |
bead01d7 | 1223 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1224 | continue; |
19c65179 | 1225 | } |
e951bdc4 JA |
1226 | |
1227 | if (pfd.revents & POLLIN) | |
1228 | break; | |
1229 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1230 | ret = 1; | |
1231 | break; | |
1232 | } | |
19c65179 | 1233 | } while (!exit_backend); |
e951bdc4 | 1234 | |
6348b5de | 1235 | fio_server_check_jobs(&job_list); |
122c7725 | 1236 | |
e951bdc4 JA |
1237 | if (ret < 0) |
1238 | break; | |
1239 | ||
54e62ad4 | 1240 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1241 | if (!cmd) { |
c28e8e8c | 1242 | ret = -1; |
132159a5 JA |
1243 | break; |
1244 | } | |
1245 | ||
f77d4b73 | 1246 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1247 | if (ret) |
1248 | break; | |
1249 | ||
1250 | free(cmd); | |
c77a99e7 | 1251 | cmd = NULL; |
132159a5 JA |
1252 | } |
1253 | ||
1254 | if (cmd) | |
1255 | free(cmd); | |
1256 | ||
f77d4b73 JA |
1257 | handle_xmits(sk_out); |
1258 | ||
1259 | close(sk_out->sk); | |
0ae6acea | 1260 | sk_out->sk = -1; |
bce503fc | 1261 | __sk_out_drop(sk_out); |
122c7725 | 1262 | _exit(ret); |
cc0df00a JA |
1263 | } |
1264 | ||
296ab20a BE |
1265 | /* get the address on this host bound by the input socket, |
1266 | * whether it is ipv6 or ipv4 */ | |
1267 | ||
9d2c74d7 | 1268 | static int get_my_addr_str(int sk) |
296ab20a | 1269 | { |
f77d4b73 JA |
1270 | struct sockaddr_in6 myaddr6 = { 0, }; |
1271 | struct sockaddr_in myaddr4 = { 0, }; | |
1272 | struct sockaddr *sockaddr_p; | |
1273 | char *net_addr; | |
1274 | socklen_t len; | |
1275 | int ret; | |
296ab20a | 1276 | |
f77d4b73 JA |
1277 | if (use_ipv6) { |
1278 | len = sizeof(myaddr6); | |
296ab20a | 1279 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1280 | net_addr = (char * )&myaddr6.sin6_addr; |
1281 | } else { | |
1282 | len = sizeof(myaddr4); | |
296ab20a | 1283 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1284 | net_addr = (char * )&myaddr4.sin_addr; |
1285 | } | |
1286 | ||
296ab20a BE |
1287 | ret = getsockname(sk, sockaddr_p, &len); |
1288 | if (ret) { | |
1289 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1290 | return -1; |
1291 | } | |
f77d4b73 JA |
1292 | |
1293 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1294 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1295 | return -1; |
1296 | } | |
f77d4b73 | 1297 | |
296ab20a BE |
1298 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1299 | return 0; | |
1300 | } | |
1301 | ||
ea1cd038 | 1302 | static int accept_loop(int listen_sk) |
50d16976 | 1303 | { |
bb447a27 | 1304 | struct sockaddr_in addr; |
479471c4 JA |
1305 | struct sockaddr_in6 addr6; |
1306 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1307 | struct pollfd pfd; |
4a851614 | 1308 | int ret = 0, sk, exitval = 0; |
6348b5de | 1309 | FLIST_HEAD(conn_list); |
50d16976 | 1310 | |
60efd14e JA |
1311 | dprint(FD_NET, "server enter accept loop\n"); |
1312 | ||
4a851614 | 1313 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1314 | |
122c7725 | 1315 | while (!exit_backend) { |
ea1cd038 | 1316 | struct sk_out *sk_out; |
479471c4 JA |
1317 | const char *from; |
1318 | char buf[64]; | |
122c7725 | 1319 | pid_t pid; |
009b1be4 | 1320 | |
122c7725 JA |
1321 | pfd.fd = listen_sk; |
1322 | pfd.events = POLLIN; | |
1323 | do { | |
54163255 JA |
1324 | int timeout = 1000; |
1325 | ||
1326 | if (!flist_empty(&conn_list)) | |
1327 | timeout = 100; | |
1328 | ||
1329 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1330 | if (ret < 0) { |
1331 | if (errno == EINTR) | |
1332 | break; | |
1333 | log_err("fio: poll: %s\n", strerror(errno)); | |
1334 | break; | |
1335 | } else if (!ret) { | |
6348b5de | 1336 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1337 | continue; |
1338 | } | |
009b1be4 | 1339 | |
122c7725 JA |
1340 | if (pfd.revents & POLLIN) |
1341 | break; | |
1342 | } while (!exit_backend); | |
50d16976 | 1343 | |
6348b5de | 1344 | fio_server_check_conns(&conn_list); |
46c48f1f | 1345 | |
122c7725 JA |
1346 | if (exit_backend || ret < 0) |
1347 | break; | |
1348 | ||
479471c4 JA |
1349 | if (use_ipv6) |
1350 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1351 | else | |
1352 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1353 | ||
122c7725 JA |
1354 | if (sk < 0) { |
1355 | log_err("fio: accept: %s\n", strerror(errno)); | |
1356 | return -1; | |
1357 | } | |
37db14fe | 1358 | |
479471c4 JA |
1359 | if (use_ipv6) |
1360 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1361 | else | |
1362 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1363 | ||
1364 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1365 | |
bce503fc | 1366 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1367 | sk_out->sk = sk; |
bce503fc | 1368 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1369 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1370 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1371 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_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]); | |
1443 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
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); |
a64e88da JA |
1451 | } |
1452 | ||
1453 | /* | |
1454 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1455 | * into a single payload. | |
1456 | */ | |
1457 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1458 | { | |
1459 | struct cmd_ts_pdu p; | |
1460 | int i, j; | |
1461 | ||
60efd14e JA |
1462 | dprint(FD_NET, "server sending end stats\n"); |
1463 | ||
317b3c8b JA |
1464 | memset(&p, 0, sizeof(p)); |
1465 | ||
4e59d0f3 JA |
1466 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1467 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1468 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1469 | |
2f122b13 JA |
1470 | p.ts.error = cpu_to_le32(ts->error); |
1471 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1472 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1473 | p.ts.pid = cpu_to_le32(ts->pid); | |
1474 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1475 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1476 | |
298921d6 | 1477 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1478 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1479 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1480 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1481 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1482 | } | |
1483 | ||
1484 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1485 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1486 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1487 | p.ts.minf = cpu_to_le64(ts->minf); | |
1488 | p.ts.majf = cpu_to_le64(ts->majf); | |
1489 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1490 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1491 | |
1492 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1493 | fio_fp64_t *src = &ts->percentile_list[i]; |
1494 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1495 | |
e5c9093d | 1496 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1497 | } |
a64e88da JA |
1498 | |
1499 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1500 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1501 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1502 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1503 | } | |
1504 | ||
1505 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1506 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1507 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1508 | } | |
1509 | ||
298921d6 | 1510 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1511 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1512 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1513 | ||
78799deb | 1514 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1515 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1516 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1517 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1518 | } |
1519 | ||
93eee04a | 1520 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1521 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1522 | ||
298921d6 | 1523 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1524 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1525 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1526 | } | |
1527 | ||
1528 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1529 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1530 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1531 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1532 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1533 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1534 | |
3e260a46 JA |
1535 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1536 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1537 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1538 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1539 | |
66347cfa DE |
1540 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1541 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1542 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1543 | ||
a64e88da JA |
1544 | convert_gs(&p.rs, rs); |
1545 | ||
f77d4b73 | 1546 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1547 | } |
1548 | ||
1549 | void fio_server_send_gs(struct group_run_stats *rs) | |
1550 | { | |
1551 | struct group_run_stats gs; | |
1552 | ||
60efd14e JA |
1553 | dprint(FD_NET, "server sending group run stats\n"); |
1554 | ||
a64e88da | 1555 | convert_gs(&gs, rs); |
f77d4b73 | 1556 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1557 | } |
1558 | ||
0279b880 JA |
1559 | void fio_server_send_job_options(struct flist_head *opt_list, |
1560 | unsigned int groupid) | |
1561 | { | |
1562 | struct cmd_job_option pdu; | |
1563 | struct flist_head *entry; | |
1564 | ||
1565 | if (flist_empty(opt_list)) | |
1566 | return; | |
1567 | ||
1568 | flist_for_each(entry, opt_list) { | |
1569 | struct print_option *p; | |
bc0fec0e | 1570 | size_t len; |
0279b880 JA |
1571 | |
1572 | p = flist_entry(entry, struct print_option, list); | |
1573 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1574 | |
0279b880 JA |
1575 | if (groupid == -1U) { |
1576 | pdu.global = __cpu_to_le16(1); | |
1577 | pdu.groupid = 0; | |
1578 | } else { | |
1579 | pdu.global = 0; | |
bc0fec0e JA |
1580 | pdu.groupid = cpu_to_le32(groupid); |
1581 | } | |
1582 | len = strlen(p->name); | |
1583 | if (len >= sizeof(pdu.name)) { | |
1584 | len = sizeof(pdu.name) - 1; | |
1585 | pdu.truncated = __cpu_to_le16(1); | |
1586 | } | |
1587 | memcpy(pdu.name, p->name, len); | |
1588 | if (p->value) { | |
1589 | len = strlen(p->value); | |
1590 | if (len >= sizeof(pdu.value)) { | |
1591 | len = sizeof(pdu.value) - 1; | |
1592 | pdu.truncated = __cpu_to_le16(1); | |
1593 | } | |
1594 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1595 | } |
0279b880 JA |
1596 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1597 | } | |
1598 | } | |
1599 | ||
d09a64a0 JA |
1600 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1601 | { | |
1602 | int i; | |
1603 | ||
1604 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1605 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1606 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1607 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1608 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1609 | } |
1610 | ||
504bc961 JA |
1611 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1612 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1613 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1614 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1615 | } |
1616 | ||
1617 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1618 | { | |
1619 | int i; | |
1620 | ||
59140421 JA |
1621 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1622 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1623 | |
1624 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1625 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1626 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1627 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1628 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1629 | } |
1630 | ||
504bc961 JA |
1631 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1632 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1633 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1634 | } |
1635 | ||
1636 | void fio_server_send_du(void) | |
1637 | { | |
1638 | struct disk_util *du; | |
1639 | struct flist_head *entry; | |
1640 | struct cmd_du_pdu pdu; | |
1641 | ||
1642 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1643 | ||
0766d92e JA |
1644 | memset(&pdu, 0, sizeof(pdu)); |
1645 | ||
d09a64a0 JA |
1646 | flist_for_each(entry, &disk_list) { |
1647 | du = flist_entry(entry, struct disk_util, list); | |
1648 | ||
1649 | convert_dus(&pdu.dus, &du->dus); | |
1650 | convert_agg(&pdu.agg, &du->agg); | |
1651 | ||
f77d4b73 | 1652 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1653 | } |
1654 | } | |
1655 | ||
3989b143 | 1656 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1657 | |
1658 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1659 | struct sk_entry **last_entry, | |
1660 | struct sk_entry *first) | |
1661 | { | |
1662 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1663 | ||
1664 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1665 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1666 | flist_add_tail(&(*last_entry)->list, &first->next); | |
1667 | ||
1668 | } | |
1669 | ||
1670 | /* | |
1671 | * Deflates the next input given, creating as many new packets in the | |
1672 | * linked list as necessary. | |
1673 | */ | |
1674 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1675 | struct sk_entry **last_entry, z_stream *stream, | |
1676 | struct sk_entry *first) | |
1677 | { | |
1678 | int ret; | |
1679 | ||
1680 | stream->next_in = next_in; | |
1681 | stream->avail_in = next_sz; | |
1682 | do { | |
1683 | if (! stream->avail_out) { | |
1684 | ||
1685 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); | |
1686 | ||
1687 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1688 | ||
1689 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1690 | stream->next_out = *out_pdu; | |
1691 | } | |
1692 | ||
1693 | ret = deflate(stream, Z_BLOCK); | |
1694 | ||
1695 | if (ret < 0) { | |
1696 | free(*out_pdu); | |
1697 | return 1; | |
1698 | } | |
1699 | } while (stream->avail_in); | |
1700 | ||
1701 | return 0; | |
1702 | } | |
1703 | ||
1704 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1705 | struct io_logs *cur_log, z_stream *stream) | |
1706 | { | |
1707 | struct sk_entry *entry; | |
1708 | void *out_pdu; | |
1709 | int ret, i, j; | |
1710 | int sample_sz = log_entry_sz(log); | |
1711 | ||
1712 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1713 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1714 | stream->next_out = out_pdu; | |
1715 | ||
1716 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1717 | struct io_sample *s; | |
1718 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
1719 | unsigned int *cur_plat, *prev_plat; | |
1720 | ||
1721 | s = get_sample(log, cur_log, i); | |
1722 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1723 | if (ret) | |
1724 | return ret; | |
1725 | ||
1726 | /* Do the subtraction on server side so that client doesn't have to | |
1727 | * reconstruct our linked list from packets. | |
1728 | */ | |
1729 | cur_plat_entry = s->plat_entry; | |
1730 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); | |
1731 | cur_plat = cur_plat_entry->io_u_plat; | |
1732 | prev_plat = prev_plat_entry->io_u_plat; | |
1733 | ||
1734 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1735 | cur_plat[j] -= prev_plat[j]; | |
1736 | } | |
1737 | ||
1738 | flist_del(&prev_plat_entry->list); | |
1739 | free(prev_plat_entry); | |
1740 | ||
1741 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1742 | &out_pdu, &entry, stream, first); | |
1743 | ||
1744 | if (ret) | |
1745 | return ret; | |
1746 | } | |
1747 | ||
1748 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1749 | ||
1750 | return 0; | |
1751 | } | |
1752 | ||
7e419452 JA |
1753 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1754 | struct io_logs *cur_log, z_stream *stream) | |
1755 | { | |
e35fb4c4 | 1756 | unsigned int this_len; |
1b42725f | 1757 | void *out_pdu; |
7e419452 | 1758 | int ret; |
1b42725f | 1759 | |
868f6f03 KC |
1760 | if (log->log_type == IO_LOG_TYPE_HIST) |
1761 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1762 | ||
7e419452 JA |
1763 | stream->next_in = (void *) cur_log->log; |
1764 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1765 | |
1766 | do { | |
e35fb4c4 | 1767 | struct sk_entry *entry; |
1b42725f | 1768 | |
7e419452 JA |
1769 | /* |
1770 | * Dirty - since the log is potentially huge, compress it into | |
1771 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1772 | * side defragment it. | |
1773 | */ | |
1774 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1775 | ||
1776 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1777 | stream->next_out = out_pdu; | |
e35fb4c4 | 1778 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1779 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1780 | if (ret < 0) { |
1781 | free(out_pdu); | |
1782 | return 1; | |
1783 | } | |
1b42725f | 1784 | |
7e419452 | 1785 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1786 | |
02594e37 | 1787 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1788 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
02594e37 | 1789 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1790 | } while (stream->avail_in); |
1791 | ||
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1796 | { | |
1797 | int ret = 0; | |
1798 | z_stream stream; | |
1799 | ||
1800 | memset(&stream, 0, sizeof(stream)); | |
1801 | stream.zalloc = Z_NULL; | |
1802 | stream.zfree = Z_NULL; | |
1803 | stream.opaque = Z_NULL; | |
1804 | ||
1805 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1806 | return 1; | |
1807 | ||
1808 | while (!flist_empty(&log->io_logs)) { | |
1809 | struct io_logs *cur_log; | |
1810 | ||
1811 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1812 | flist_del_init(&cur_log->list); | |
1813 | ||
1814 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1815 | if (ret) | |
1816 | break; | |
1817 | } | |
1b42725f | 1818 | |
e35fb4c4 JA |
1819 | ret = deflate(&stream, Z_FINISH); |
1820 | ||
1821 | while (ret != Z_STREAM_END) { | |
1822 | struct sk_entry *entry; | |
1823 | unsigned int this_len; | |
1824 | void *out_pdu; | |
1825 | ||
1826 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1827 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1828 | stream.next_out = out_pdu; | |
1829 | ||
1830 | ret = deflate(&stream, Z_FINISH); | |
1831 | /* may be Z_OK, or Z_STREAM_END */ | |
1832 | if (ret < 0) { | |
1833 | free(out_pdu); | |
1834 | break; | |
1835 | } | |
1836 | ||
1837 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1838 | ||
1839 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1840 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1841 | flist_add_tail(&entry->list, &first->next); | |
1842 | } while (ret != Z_STREAM_END); | |
1843 | ||
1844 | ret = deflateEnd(&stream); | |
1845 | if (ret == Z_OK) | |
1846 | return 0; | |
1847 | ||
1848 | return 1; | |
1b42725f | 1849 | } |
7e419452 JA |
1850 | #else |
1851 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1852 | { | |
1853 | return 1; | |
1854 | } | |
1855 | #endif | |
1b42725f | 1856 | |
dfc8e76c | 1857 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1858 | { |
1859 | struct sk_entry *entry; | |
1860 | struct flist_head *node; | |
1861 | ||
1862 | pthread_mutex_lock(&log->chunk_lock); | |
1863 | flist_for_each(node, &log->chunk_list) { | |
1864 | struct iolog_compress *c; | |
1865 | ||
1866 | c = flist_entry(node, struct iolog_compress, list); | |
1867 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1868 | NULL, SK_F_VEC | SK_F_INLINE); | |
1869 | flist_add_tail(&entry->list, &first->next); | |
1870 | } | |
1871 | pthread_mutex_unlock(&log->chunk_lock); | |
1872 | ||
1873 | return 0; | |
1874 | } | |
1875 | ||
dfc8e76c JA |
1876 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1877 | { | |
1878 | struct sk_entry *entry; | |
dfc8e76c | 1879 | |
7e419452 JA |
1880 | while (!flist_empty(&log->io_logs)) { |
1881 | struct io_logs *cur_log; | |
1882 | size_t size; | |
1883 | ||
1884 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1885 | flist_del_init(&cur_log->list); | |
1886 | ||
1887 | size = cur_log->nr_samples * log_entry_sz(log); | |
1888 | ||
1889 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1890 | NULL, SK_F_VEC | SK_F_INLINE); | |
1891 | flist_add_tail(&entry->list, &first->next); | |
1892 | } | |
1893 | ||
dfc8e76c JA |
1894 | return 0; |
1895 | } | |
1896 | ||
3989b143 JA |
1897 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1898 | { | |
1899 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1900 | struct sk_entry *first; |
7e419452 JA |
1901 | struct flist_head *entry; |
1902 | int ret = 0; | |
3989b143 | 1903 | |
7e419452 | 1904 | pdu.nr_samples = cpu_to_le64(iolog_nr_samples(log)); |
3989b143 | 1905 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1906 | pdu.log_type = cpu_to_le32(log->log_type); |
868f6f03 | 1907 | pdu.log_hist_coarseness = cpu_to_le32(log->hist_coarseness); |
0cba0f91 JA |
1908 | |
1909 | if (!flist_empty(&log->chunk_list)) | |
1910 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1911 | else if (use_zlib) | |
1912 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1913 | else | |
1914 | pdu.compressed = 0; | |
9bdb9265 JA |
1915 | |
1916 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1917 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1918 | |
0cba0f91 JA |
1919 | /* |
1920 | * We can't do this for a pre-compressed log, but for that case, | |
1921 | * log->nr_samples is zero anyway. | |
1922 | */ | |
7e419452 JA |
1923 | flist_for_each(entry, &log->io_logs) { |
1924 | struct io_logs *cur_log; | |
1925 | int i; | |
3989b143 | 1926 | |
7e419452 | 1927 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 1928 | |
7e419452 JA |
1929 | for (i = 0; i < cur_log->nr_samples; i++) { |
1930 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 1931 | |
7e419452 JA |
1932 | s->time = cpu_to_le64(s->time); |
1933 | s->val = cpu_to_le64(s->val); | |
1934 | s->__ddir = cpu_to_le32(s->__ddir); | |
1935 | s->bs = cpu_to_le32(s->bs); | |
1936 | ||
1937 | if (log->log_offset) { | |
1938 | struct io_sample_offset *so = (void *) s; | |
1939 | ||
1940 | so->offset = cpu_to_le64(so->offset); | |
1941 | } | |
ae588852 | 1942 | } |
3989b143 JA |
1943 | } |
1944 | ||
1945 | /* | |
02594e37 | 1946 | * Assemble header entry first |
3989b143 | 1947 | */ |
bead01d7 | 1948 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1949 | |
1950 | /* | |
dfc8e76c JA |
1951 | * Now append actual log entries. If log compression was enabled on |
1952 | * the job, just send out the compressed chunks directly. If we | |
1953 | * have a plain log, compress if we can, then send. Otherwise, send | |
1954 | * the plain text output. | |
3989b143 | 1955 | */ |
0cba0f91 | 1956 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1957 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1958 | else if (use_zlib) |
dfc8e76c JA |
1959 | ret = fio_append_iolog_gz(first, log); |
1960 | else | |
1961 | ret = fio_append_text_log(first, log); | |
3989b143 | 1962 | |
bead01d7 | 1963 | fio_net_queue_entry(first); |
f77d4b73 | 1964 | return ret; |
3989b143 JA |
1965 | } |
1966 | ||
2f122b13 | 1967 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1968 | { |
1969 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1970 | |
731e30a2 | 1971 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1972 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1973 | pdu.groupid = cpu_to_le32(td->groupid); | |
1974 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1975 | |
dfc8e76c JA |
1976 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
1977 | SK_F_COPY); | |
807f9971 JA |
1978 | } |
1979 | ||
122c7725 JA |
1980 | void fio_server_send_start(struct thread_data *td) |
1981 | { | |
f77d4b73 JA |
1982 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1983 | ||
1984 | assert(sk_out->sk != -1); | |
122c7725 | 1985 | |
a89ba4b1 | 1986 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
1987 | } |
1988 | ||
ca09be4b | 1989 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 1990 | void **datap) |
ca09be4b JA |
1991 | { |
1992 | struct thread_io_list *s; | |
1993 | struct cmd_sendfile out; | |
1994 | struct cmd_reply *rep; | |
1995 | uint64_t tag; | |
1996 | void *data; | |
c0d3245a | 1997 | int ret; |
ca09be4b JA |
1998 | |
1999 | dprint(FD_NET, "server: request verify state\n"); | |
2000 | ||
2001 | rep = smalloc(sizeof(*rep)); | |
2002 | if (!rep) { | |
2003 | log_err("fio: smalloc pool too small\n"); | |
c0d3245a | 2004 | return ENOMEM; |
ca09be4b JA |
2005 | } |
2006 | ||
2007 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
2008 | rep->data = NULL; | |
2009 | rep->error = 0; | |
2010 | ||
e499aedc JA |
2011 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2012 | threadnumber); | |
ca09be4b | 2013 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2014 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2015 | SK_F_COPY); | |
ca09be4b JA |
2016 | |
2017 | /* | |
2018 | * Wait for the backend to receive the reply | |
2019 | */ | |
09400a60 | 2020 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2021 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2022 | ret = ETIMEDOUT; |
ca09be4b JA |
2023 | goto fail; |
2024 | } | |
2025 | ||
2026 | if (rep->error) { | |
415c3133 JA |
2027 | log_err("fio: failure on receiving state file %s: %s\n", |
2028 | out.path, strerror(rep->error)); | |
c0d3245a | 2029 | ret = rep->error; |
ca09be4b JA |
2030 | fail: |
2031 | *datap = NULL; | |
2032 | sfree(rep); | |
f77d4b73 | 2033 | fio_net_queue_quit(); |
c0d3245a | 2034 | return ret; |
ca09be4b JA |
2035 | } |
2036 | ||
2037 | /* | |
2038 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2039 | * the header, and the thread_io_list checksum | |
2040 | */ | |
2041 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2042 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2043 | ret = EILSEQ; |
ca09be4b | 2044 | goto fail; |
c0d3245a | 2045 | } |
ca09be4b JA |
2046 | |
2047 | /* | |
2048 | * Don't need the header from now, copy just the thread_io_list | |
2049 | */ | |
c0d3245a | 2050 | ret = 0; |
ca09be4b JA |
2051 | rep->size -= sizeof(struct verify_state_hdr); |
2052 | data = malloc(rep->size); | |
2053 | memcpy(data, s, rep->size); | |
2054 | *datap = data; | |
2055 | ||
2056 | sfree(rep->data); | |
f5a42524 | 2057 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 2058 | sfree(rep); |
c0d3245a | 2059 | return ret; |
ca09be4b JA |
2060 | } |
2061 | ||
87aa8f19 | 2062 | static int fio_init_server_ip(void) |
81179eec | 2063 | { |
811826be | 2064 | struct sockaddr *addr; |
67bf9823 | 2065 | socklen_t socklen; |
17e3531a JA |
2066 | char buf[80]; |
2067 | const char *str; | |
87aa8f19 | 2068 | int sk, opt; |
81179eec | 2069 | |
811826be JA |
2070 | if (use_ipv6) |
2071 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2072 | else | |
2073 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2074 | ||
81179eec JA |
2075 | if (sk < 0) { |
2076 | log_err("fio: socket: %s\n", strerror(errno)); | |
2077 | return -1; | |
2078 | } | |
2079 | ||
2080 | opt = 1; | |
1f81991e | 2081 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2082 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2083 | close(sk); |
81179eec JA |
2084 | return -1; |
2085 | } | |
2086 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2087 | /* |
2088 | * Not fatal if fails, so just ignore it if that happens | |
2089 | */ | |
2090 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
2091 | #endif |
2092 | ||
811826be | 2093 | if (use_ipv6) { |
17e3531a JA |
2094 | const void *src = &saddr_in6.sin6_addr; |
2095 | ||
811826be JA |
2096 | addr = (struct sockaddr *) &saddr_in6; |
2097 | socklen = sizeof(saddr_in6); | |
2098 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2099 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2100 | } else { |
17e3531a JA |
2101 | const void *src = &saddr_in.sin_addr; |
2102 | ||
811826be JA |
2103 | addr = (struct sockaddr *) &saddr_in; |
2104 | socklen = sizeof(saddr_in); | |
2105 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2106 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2107 | } |
81179eec | 2108 | |
811826be | 2109 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2110 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2111 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2112 | close(sk); |
81179eec JA |
2113 | return -1; |
2114 | } | |
2115 | ||
87aa8f19 JA |
2116 | return sk; |
2117 | } | |
2118 | ||
2119 | static int fio_init_server_sock(void) | |
2120 | { | |
2121 | struct sockaddr_un addr; | |
67bf9823 | 2122 | socklen_t len; |
87aa8f19 JA |
2123 | mode_t mode; |
2124 | int sk; | |
2125 | ||
2126 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2127 | if (sk < 0) { | |
2128 | log_err("fio: socket: %s\n", strerror(errno)); | |
2129 | return -1; | |
2130 | } | |
2131 | ||
2132 | mode = umask(000); | |
2133 | ||
2134 | memset(&addr, 0, sizeof(addr)); | |
2135 | addr.sun_family = AF_UNIX; | |
a48fddbc | 2136 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
2137 | |
2138 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2139 | ||
2140 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2141 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2142 | close(sk); |
87aa8f19 JA |
2143 | return -1; |
2144 | } | |
2145 | ||
2146 | umask(mode); | |
2147 | return sk; | |
2148 | } | |
2149 | ||
2150 | static int fio_init_server_connection(void) | |
2151 | { | |
bebe6398 | 2152 | char bind_str[128]; |
87aa8f19 JA |
2153 | int sk; |
2154 | ||
2155 | dprint(FD_NET, "starting server\n"); | |
2156 | ||
2157 | if (!bind_sock) | |
2158 | sk = fio_init_server_ip(); | |
2159 | else | |
2160 | sk = fio_init_server_sock(); | |
2161 | ||
2162 | if (sk < 0) | |
2163 | return sk; | |
2164 | ||
afdcad23 JA |
2165 | memset(bind_str, 0, sizeof(bind_str)); |
2166 | ||
811826be JA |
2167 | if (!bind_sock) { |
2168 | char *p, port[16]; | |
2169 | const void *src; | |
2170 | int af; | |
2171 | ||
2172 | if (use_ipv6) { | |
2173 | af = AF_INET6; | |
2174 | src = &saddr_in6.sin6_addr; | |
2175 | } else { | |
2176 | af = AF_INET; | |
2177 | src = &saddr_in.sin_addr; | |
2178 | } | |
2179 | ||
2180 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2181 | ||
2182 | sprintf(port, ",%u", fio_net_port); | |
2183 | if (p) | |
2184 | strcat(p, port); | |
2185 | else | |
afdcad23 | 2186 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 2187 | } else |
afdcad23 | 2188 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
2189 | |
2190 | log_info("fio: server listening on %s\n", bind_str); | |
2191 | ||
1e1507df | 2192 | if (listen(sk, 4) < 0) { |
81179eec | 2193 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2194 | close(sk); |
81179eec JA |
2195 | return -1; |
2196 | } | |
2197 | ||
87aa8f19 JA |
2198 | return sk; |
2199 | } | |
2200 | ||
3aa3ceeb | 2201 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2202 | struct in6_addr *inp6) |
2203 | ||
2204 | { | |
2205 | int ret = 0; | |
2206 | ||
3aa3ceeb | 2207 | if (ipv6) |
3ec62ec4 JA |
2208 | ret = inet_pton(AF_INET6, host, inp6); |
2209 | else | |
2210 | ret = inet_pton(AF_INET, host, inp); | |
2211 | ||
2212 | if (ret != 1) { | |
479471c4 JA |
2213 | struct addrinfo hints, *res; |
2214 | ||
2215 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2216 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2217 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2218 | |
479471c4 JA |
2219 | ret = getaddrinfo(host, NULL, &hints, &res); |
2220 | if (ret) { | |
2221 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2222 | gai_strerror(ret)); | |
3caf43e3 | 2223 | return 1; |
3ec62ec4 JA |
2224 | } |
2225 | ||
3aa3ceeb | 2226 | if (ipv6) |
479471c4 JA |
2227 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2228 | else | |
2229 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2230 | ||
3ec62ec4 | 2231 | ret = 1; |
479471c4 | 2232 | freeaddrinfo(res); |
3ec62ec4 JA |
2233 | } |
2234 | ||
2235 | return !(ret == 1); | |
2236 | } | |
2237 | ||
660a2bfb JA |
2238 | /* |
2239 | * Parse a host/ip/port string. Reads from 'str'. | |
2240 | * | |
2241 | * Outputs: | |
2242 | * | |
2243 | * For IPv4: | |
2244 | * *ptr is the host, *port is the port, inp is the destination. | |
2245 | * For IPv6: | |
2246 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2247 | * For local domain sockets: | |
2248 | * *ptr is the filename, *is_sock is 1. | |
2249 | */ | |
bebe6398 | 2250 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2251 | int *port, struct in_addr *inp, |
2252 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2253 | { |
76867621 JA |
2254 | const char *host = str; |
2255 | char *portp; | |
3ec62ec4 | 2256 | int lport = 0; |
76867621 | 2257 | |
bebe6398 JA |
2258 | *ptr = NULL; |
2259 | *is_sock = 0; | |
6d2cf394 | 2260 | *port = fio_net_port; |
811826be | 2261 | *ipv6 = 0; |
bebe6398 JA |
2262 | |
2263 | if (!strncmp(str, "sock:", 5)) { | |
2264 | *ptr = strdup(str + 5); | |
2265 | *is_sock = 1; | |
76867621 JA |
2266 | |
2267 | return 0; | |
2268 | } | |
2269 | ||
2270 | /* | |
2271 | * Is it ip:<ip or host>:port | |
2272 | */ | |
2273 | if (!strncmp(host, "ip:", 3)) | |
2274 | host += 3; | |
2275 | else if (!strncmp(host, "ip4:", 4)) | |
2276 | host += 4; | |
2277 | else if (!strncmp(host, "ip6:", 4)) { | |
2278 | host += 4; | |
2279 | *ipv6 = 1; | |
2280 | } else if (host[0] == ':') { | |
2281 | /* String is :port */ | |
2282 | host++; | |
2283 | lport = atoi(host); | |
2284 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2285 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2286 | return 1; |
2287 | } | |
2288 | /* no hostname given, we are done */ | |
2289 | *port = lport; | |
2290 | return 0; | |
2291 | } | |
2292 | ||
2293 | /* | |
b96b90c3 | 2294 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2295 | */ |
2296 | if (!lport) { | |
2297 | portp = strchr(host, ','); | |
2298 | if (portp) { | |
2299 | *portp = '\0'; | |
2300 | portp++; | |
2301 | lport = atoi(portp); | |
bebe6398 | 2302 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2303 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2304 | return 1; |
2305 | } | |
bebe6398 | 2306 | } |
76867621 | 2307 | } |
bebe6398 | 2308 | |
76867621 JA |
2309 | if (lport) |
2310 | *port = lport; | |
bebe6398 | 2311 | |
76867621 JA |
2312 | if (!strlen(host)) |
2313 | return 0; | |
bebe6398 | 2314 | |
76867621 | 2315 | *ptr = strdup(host); |
811826be | 2316 | |
3aa3ceeb | 2317 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2318 | free(*ptr); |
2319 | *ptr = NULL; | |
2320 | return 1; | |
bebe6398 JA |
2321 | } |
2322 | ||
2323 | if (*port == 0) | |
2324 | *port = fio_net_port; | |
2325 | ||
2326 | return 0; | |
2327 | } | |
2328 | ||
87aa8f19 JA |
2329 | /* |
2330 | * Server arg should be one of: | |
2331 | * | |
2332 | * sock:/path/to/socket | |
2333 | * ip:1.2.3.4 | |
2334 | * 1.2.3.4 | |
2335 | * | |
2336 | * Where sock uses unix domain sockets, and ip binds the server to | |
2337 | * a specific interface. If no arguments are given to the server, it | |
2338 | * uses IP and binds to 0.0.0.0. | |
2339 | * | |
2340 | */ | |
2341 | static int fio_handle_server_arg(void) | |
2342 | { | |
6d2cf394 | 2343 | int port = fio_net_port; |
a7de0a11 | 2344 | int is_sock, ret = 0; |
bebe6398 | 2345 | |
87aa8f19 JA |
2346 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2347 | ||
2348 | if (!fio_server_arg) | |
a7de0a11 | 2349 | goto out; |
87aa8f19 | 2350 | |
4e5b8fb8 | 2351 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2352 | &port, &saddr_in.sin_addr, |
2353 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2354 | |
2355 | if (!is_sock && bind_sock) { | |
2356 | free(bind_sock); | |
2357 | bind_sock = NULL; | |
2358 | } | |
2359 | ||
a7de0a11 | 2360 | out: |
6d2cf394 JA |
2361 | fio_net_port = port; |
2362 | saddr_in.sin_port = htons(port); | |
811826be | 2363 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2364 | return ret; |
87aa8f19 JA |
2365 | } |
2366 | ||
43cdea1d JA |
2367 | static void sig_int(int sig) |
2368 | { | |
2369 | if (bind_sock) | |
2370 | unlink(bind_sock); | |
2371 | } | |
2372 | ||
2373 | static void set_sig_handlers(void) | |
2374 | { | |
2375 | struct sigaction act; | |
2376 | ||
2377 | memset(&act, 0, sizeof(act)); | |
2378 | act.sa_handler = sig_int; | |
2379 | act.sa_flags = SA_RESTART; | |
2380 | sigaction(SIGINT, &act, NULL); | |
2381 | } | |
2382 | ||
518a1cf0 JA |
2383 | void fio_server_destroy_sk_key(void) |
2384 | { | |
2385 | pthread_key_delete(sk_out_key); | |
2386 | } | |
2387 | ||
3d80c735 | 2388 | int fio_server_create_sk_key(void) |
87aa8f19 | 2389 | { |
9c003782 JA |
2390 | if (pthread_key_create(&sk_out_key, NULL)) { |
2391 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2392 | return 1; |
9c003782 JA |
2393 | } |
2394 | ||
2395 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2396 | return 0; |
2397 | } | |
2398 | ||
2399 | static int fio_server(void) | |
2400 | { | |
2401 | int sk, ret; | |
9c003782 | 2402 | |
87aa8f19 JA |
2403 | dprint(FD_NET, "starting server\n"); |
2404 | ||
2405 | if (fio_handle_server_arg()) | |
2406 | return -1; | |
2407 | ||
2408 | sk = fio_init_server_connection(); | |
2409 | if (sk < 0) | |
2410 | return -1; | |
81179eec | 2411 | |
43cdea1d JA |
2412 | set_sig_handlers(); |
2413 | ||
ea1cd038 | 2414 | ret = accept_loop(sk); |
87aa8f19 | 2415 | |
81179eec | 2416 | close(sk); |
87aa8f19 JA |
2417 | |
2418 | if (fio_server_arg) { | |
2419 | free(fio_server_arg); | |
2420 | fio_server_arg = NULL; | |
2421 | } | |
bebe6398 JA |
2422 | if (bind_sock) |
2423 | free(bind_sock); | |
87aa8f19 | 2424 | |
81179eec JA |
2425 | return ret; |
2426 | } | |
2427 | ||
7b821684 | 2428 | void fio_server_got_signal(int signal) |
9abea48b | 2429 | { |
f77d4b73 JA |
2430 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2431 | ||
2432 | assert(sk_out); | |
2433 | ||
7b821684 | 2434 | if (signal == SIGPIPE) |
f77d4b73 | 2435 | sk_out->sk = -1; |
7b821684 JA |
2436 | else { |
2437 | log_info("\nfio: terminating on signal %d\n", signal); | |
2438 | exit_backend = 1; | |
2439 | } | |
9abea48b JA |
2440 | } |
2441 | ||
13755d94 JA |
2442 | static int check_existing_pidfile(const char *pidfile) |
2443 | { | |
2444 | struct stat sb; | |
2445 | char buf[16]; | |
2446 | pid_t pid; | |
2447 | FILE *f; | |
2448 | ||
2449 | if (stat(pidfile, &sb)) | |
2450 | return 0; | |
2451 | ||
2452 | f = fopen(pidfile, "r"); | |
2453 | if (!f) | |
2454 | return 0; | |
2455 | ||
bfc3b179 | 2456 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2457 | fclose(f); |
2458 | return 1; | |
2459 | } | |
2460 | fclose(f); | |
2461 | ||
2462 | pid = atoi(buf); | |
2463 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2464 | return errno != ESRCH; |
13755d94 JA |
2465 | |
2466 | return 1; | |
2467 | } | |
2468 | ||
2469 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2470 | { |
2471 | FILE *fpid; | |
2472 | ||
2473 | fpid = fopen(pidfile, "w"); | |
2474 | if (!fpid) { | |
2475 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2476 | return 1; |
402668f3 JA |
2477 | } |
2478 | ||
2479 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2480 | fclose(fpid); |
2481 | return 0; | |
402668f3 JA |
2482 | } |
2483 | ||
2484 | /* | |
2485 | * If pidfile is specified, background us. | |
2486 | */ | |
2487 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2488 | { |
2489 | pid_t pid; | |
402668f3 | 2490 | int ret; |
e46d8091 | 2491 | |
93bcfd20 | 2492 | #if defined(WIN32) |
905c78b9 | 2493 | WSADATA wsd; |
3c3ed070 | 2494 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2495 | #endif |
2496 | ||
402668f3 | 2497 | if (!pidfile) |
e46d8091 JA |
2498 | return fio_server(); |
2499 | ||
13755d94 JA |
2500 | if (check_existing_pidfile(pidfile)) { |
2501 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2502 | pidfile); | |
b8ba87ac | 2503 | free(pidfile); |
13755d94 JA |
2504 | return -1; |
2505 | } | |
2506 | ||
e46d8091 JA |
2507 | pid = fork(); |
2508 | if (pid < 0) { | |
13755d94 | 2509 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2510 | free(pidfile); |
c28e8e8c | 2511 | return -1; |
402668f3 | 2512 | } else if (pid) { |
8a1db9a1 | 2513 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2514 | free(pidfile); |
44c8268d | 2515 | _exit(ret); |
402668f3 | 2516 | } |
e46d8091 JA |
2517 | |
2518 | setsid(); | |
13755d94 JA |
2519 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2520 | log_syslog = 1; | |
e46d8091 JA |
2521 | close(STDIN_FILENO); |
2522 | close(STDOUT_FILENO); | |
2523 | close(STDERR_FILENO); | |
2524 | f_out = NULL; | |
2525 | f_err = NULL; | |
402668f3 JA |
2526 | |
2527 | ret = fio_server(); | |
2528 | ||
2529 | closelog(); | |
2530 | unlink(pidfile); | |
2531 | free(pidfile); | |
2532 | return ret; | |
e46d8091 | 2533 | } |
87aa8f19 | 2534 | |
bebe6398 | 2535 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2536 | { |
2537 | fio_server_arg = strdup(arg); | |
2538 | } |