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 JA |
6 | #include <errno.h> |
7 | #include <fcntl.h> | |
8 | #include <sys/poll.h> | |
50d16976 JA |
9 | #include <sys/types.h> |
10 | #include <sys/wait.h> | |
d05c4a03 | 11 | #include <sys/socket.h> |
87aa8f19 JA |
12 | #include <sys/stat.h> |
13 | #include <sys/un.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> |
1b42725f | 19 | #include <zlib.h> |
50d16976 JA |
20 | |
21 | #include "fio.h" | |
132159a5 | 22 | #include "server.h" |
fcee5ff6 | 23 | #include "crc/crc16.h" |
c7c6cb4c | 24 | #include "lib/ieee754.h" |
89cf1480 JA |
25 | |
26 | #include "fio_version.h" | |
50d16976 | 27 | |
5adc2447 | 28 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 29 | |
009b1be4 JA |
30 | int exit_backend = 0; |
31 | ||
46c48f1f | 32 | static int server_fd = -1; |
87aa8f19 JA |
33 | static char *fio_server_arg; |
34 | static char *bind_sock; | |
35 | static struct sockaddr_in saddr_in; | |
811826be | 36 | static struct sockaddr_in6 saddr_in6; |
811826be | 37 | static int use_ipv6; |
37db14fe | 38 | |
122c7725 JA |
39 | struct fio_fork_item { |
40 | struct flist_head list; | |
41 | int exitval; | |
42 | int signal; | |
43 | int exited; | |
44 | pid_t pid; | |
45 | }; | |
46 | ||
47 | /* Created on fork on new connection */ | |
48 | static FLIST_HEAD(conn_list); | |
49 | ||
50 | /* Created on job fork from connection */ | |
51 | static FLIST_HEAD(job_list); | |
52 | ||
89c1707c JA |
53 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
54 | "", | |
55 | "QUIT", | |
56 | "EXIT", | |
57 | "JOB", | |
58 | "JOBLINE", | |
59 | "TEXT", | |
60 | "TS", | |
61 | "GS", | |
62 | "SEND_ETA", | |
63 | "ETA", | |
64 | "PROBE", | |
65 | "START", | |
d09a64a0 JA |
66 | "STOP", |
67 | "DISK_UTIL", | |
b9d2f30a | 68 | "SERVER_START", |
807f9971 | 69 | "ADD_JOB", |
b9d2f30a | 70 | "CMD_RUN" |
c70e63e5 | 71 | "CMD_IOLOG", |
89c1707c JA |
72 | }; |
73 | ||
74 | const char *fio_server_op(unsigned int op) | |
75 | { | |
76 | static char buf[32]; | |
77 | ||
78 | if (op < FIO_NET_CMD_NR) | |
79 | return fio_server_ops[op]; | |
80 | ||
81 | sprintf(buf, "UNKNOWN/%d", op); | |
82 | return buf; | |
83 | } | |
84 | ||
5235f626 | 85 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 86 | { |
5235f626 | 87 | ssize_t ret = 0; |
794d69ca | 88 | |
5235f626 JA |
89 | while (count--) { |
90 | ret += iov->iov_len; | |
91 | iov++; | |
92 | } | |
93 | ||
94 | return ret; | |
95 | } | |
132159a5 | 96 | |
5235f626 JA |
97 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
98 | { | |
99 | ssize_t total_len = iov_total_len(iov, count); | |
100 | ssize_t ret; | |
101 | ||
102 | do { | |
103 | ret = writev(sk, iov, count); | |
132159a5 | 104 | if (ret > 0) { |
5235f626 JA |
105 | total_len -= ret; |
106 | if (!total_len) | |
132159a5 | 107 | break; |
5235f626 JA |
108 | |
109 | while (ret) { | |
110 | if (ret >= iov->iov_len) { | |
111 | ret -= iov->iov_len; | |
112 | iov++; | |
113 | continue; | |
114 | } | |
115 | iov->iov_base += ret; | |
116 | iov->iov_len -= ret; | |
117 | ret = 0; | |
118 | } | |
132159a5 JA |
119 | } else if (!ret) |
120 | break; | |
121 | else if (errno == EAGAIN || errno == EINTR) | |
122 | continue; | |
7b821684 JA |
123 | else |
124 | break; | |
132159a5 JA |
125 | } while (!exit_backend); |
126 | ||
5235f626 | 127 | if (!total_len) |
132159a5 JA |
128 | return 0; |
129 | ||
8b4e61b2 JA |
130 | if (errno) |
131 | return -errno; | |
132 | ||
132159a5 JA |
133 | return 1; |
134 | } | |
135 | ||
5235f626 JA |
136 | int fio_send_data(int sk, const void *p, unsigned int len) |
137 | { | |
138 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
139 | ||
140 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
141 | ||
142 | return fio_sendv_data(sk, &iov, 1); | |
143 | } | |
144 | ||
132159a5 JA |
145 | int fio_recv_data(int sk, void *p, unsigned int len) |
146 | { | |
147 | do { | |
148 | int ret = recv(sk, p, len, MSG_WAITALL); | |
149 | ||
150 | if (ret > 0) { | |
151 | len -= ret; | |
152 | if (!len) | |
153 | break; | |
154 | p += ret; | |
155 | continue; | |
156 | } else if (!ret) | |
157 | break; | |
158 | else if (errno == EAGAIN || errno == EINTR) | |
159 | continue; | |
7b821684 JA |
160 | else |
161 | break; | |
132159a5 JA |
162 | } while (!exit_backend); |
163 | ||
164 | if (!len) | |
165 | return 0; | |
166 | ||
167 | return -1; | |
168 | } | |
169 | ||
170 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
171 | { | |
fcee5ff6 | 172 | uint16_t crc; |
132159a5 | 173 | |
fcee5ff6 JA |
174 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
175 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 176 | |
25dfa848 | 177 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 178 | if (crc != cmd->cmd_crc16) { |
132159a5 | 179 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 180 | cmd->cmd_crc16, crc); |
132159a5 JA |
181 | return 1; |
182 | } | |
183 | ||
184 | cmd->version = le16_to_cpu(cmd->version); | |
185 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
186 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 187 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
188 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
189 | ||
190 | switch (cmd->version) { | |
fa2ea806 | 191 | case FIO_SERVER_VER: |
132159a5 JA |
192 | break; |
193 | default: | |
194 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
195 | return 1; | |
196 | } | |
197 | ||
b9d2f30a | 198 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
199 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
200 | return 1; | |
201 | } | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
a64e88da JA |
206 | /* |
207 | * Read (and defragment, if necessary) incoming commands | |
208 | */ | |
e951bdc4 | 209 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 210 | { |
a64e88da JA |
211 | struct fio_net_cmd cmd, *cmdret = NULL; |
212 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 213 | uint16_t crc; |
a64e88da JA |
214 | int ret, first = 1; |
215 | void *pdu = NULL; | |
132159a5 | 216 | |
a64e88da JA |
217 | do { |
218 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
219 | if (ret) | |
220 | break; | |
132159a5 | 221 | |
a64e88da JA |
222 | /* We have a command, verify it and swap if need be */ |
223 | ret = verify_convert_cmd(&cmd); | |
224 | if (ret) | |
225 | break; | |
132159a5 | 226 | |
0b8f30a5 JA |
227 | if (first) { |
228 | /* if this is text, add room for \0 at the end */ | |
229 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
230 | assert(!cmdret); | |
231 | } else | |
a64e88da | 232 | cmd_size += cmd.pdu_len; |
132159a5 | 233 | |
a64e88da | 234 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 235 | |
a64e88da JA |
236 | if (first) |
237 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
238 | else if (cmdret->opcode != cmd.opcode) { |
239 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
240 | cmdret->opcode, cmd.opcode); | |
241 | ret = 1; | |
242 | break; | |
243 | } | |
a64e88da JA |
244 | |
245 | if (!cmd.pdu_len) | |
246 | break; | |
247 | ||
248 | /* There's payload, get it */ | |
249 | pdu = (void *) cmdret->payload + pdu_offset; | |
250 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
251 | if (ret) | |
252 | break; | |
253 | ||
254 | /* Verify payload crc */ | |
25dfa848 | 255 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
256 | if (crc != cmd.pdu_crc16) { |
257 | log_err("fio: server bad crc on payload "); | |
258 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
259 | ret = 1; | |
260 | break; | |
261 | } | |
262 | ||
263 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
264 | if (!first) |
265 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
266 | first = 0; |
267 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 268 | |
a64e88da JA |
269 | if (ret) { |
270 | free(cmdret); | |
271 | cmdret = NULL; | |
0b8f30a5 JA |
272 | } else if (cmdret) { |
273 | /* zero-terminate text input */ | |
084d1c6f JA |
274 | if (cmdret->pdu_len) { |
275 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
276 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
277 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 278 | |
3c3ed070 | 279 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 280 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
46bcd498 JA |
281 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
282 | char *buf = (char *) pdu->buf; | |
283 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 284 | |
46bcd498 | 285 | buf[len] = '\0'; |
084d1c6f | 286 | } |
0b8f30a5 | 287 | } |
084d1c6f | 288 | |
0b8f30a5 | 289 | /* frag flag is internal */ |
a64e88da | 290 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 291 | } |
a64e88da JA |
292 | |
293 | return cmdret; | |
132159a5 JA |
294 | } |
295 | ||
40c60516 JA |
296 | static void add_reply(uint64_t tag, struct flist_head *list) |
297 | { | |
298 | struct fio_net_cmd_reply *reply = (struct fio_net_cmd_reply *) tag; | |
299 | ||
300 | flist_add_tail(&reply->list, list); | |
301 | } | |
302 | ||
303 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
304 | { | |
305 | struct fio_net_cmd_reply *reply; | |
306 | ||
307 | reply = calloc(1, sizeof(*reply)); | |
308 | INIT_FLIST_HEAD(&reply->list); | |
309 | gettimeofday(&reply->tv, NULL); | |
310 | reply->saved_tag = tag; | |
311 | reply->opcode = opcode; | |
312 | ||
313 | return (uintptr_t) reply; | |
314 | } | |
315 | ||
316 | static void free_reply(uint64_t tag) | |
317 | { | |
318 | struct fio_net_cmd_reply *reply = (struct fio_net_cmd_reply *) tag; | |
319 | ||
320 | free(reply); | |
321 | } | |
322 | ||
53bd8dbc | 323 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
324 | { |
325 | uint32_t pdu_len; | |
326 | ||
25dfa848 | 327 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
328 | |
329 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
330 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
331 | } | |
332 | ||
333 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
334 | { | |
335 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
336 | } |
337 | ||
af9c9fb3 | 338 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 339 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 340 | { |
7f868316 JA |
341 | struct fio_net_cmd *cmd = NULL; |
342 | size_t this_len, cur_len = 0; | |
40c60516 | 343 | uint64_t tag; |
794d69ca JA |
344 | int ret; |
345 | ||
40c60516 JA |
346 | if (list) { |
347 | assert(tagptr); | |
348 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
349 | } else | |
350 | tag = tagptr ? *tagptr : 0; | |
351 | ||
794d69ca JA |
352 | do { |
353 | this_len = size; | |
b9d2f30a JA |
354 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
355 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 356 | |
7f868316 JA |
357 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
358 | if (cmd) | |
359 | free(cmd); | |
360 | ||
361 | cur_len = sizeof(*cmd) + this_len; | |
362 | cmd = malloc(cur_len); | |
363 | } | |
794d69ca | 364 | |
af9c9fb3 | 365 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
366 | |
367 | if (this_len < size) | |
ddcc0b69 | 368 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
369 | |
370 | fio_net_cmd_crc(cmd); | |
371 | ||
372 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
373 | size -= this_len; |
374 | buf += this_len; | |
375 | } while (!ret && size); | |
376 | ||
40c60516 JA |
377 | if (list) { |
378 | if (ret) | |
379 | free_reply(tag); | |
380 | else | |
381 | add_reply(tag, list); | |
382 | } | |
383 | ||
7f868316 JA |
384 | if (cmd) |
385 | free(cmd); | |
386 | ||
794d69ca JA |
387 | return ret; |
388 | } | |
389 | ||
89c1707c | 390 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 391 | { |
178cde9f | 392 | struct fio_net_cmd cmd; |
132159a5 | 393 | |
af9c9fb3 | 394 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
395 | fio_net_cmd_crc(&cmd); |
396 | ||
397 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
398 | } | |
399 | ||
89c1707c JA |
400 | /* |
401 | * If 'list' is non-NULL, then allocate and store the sent command for | |
402 | * later verification. | |
403 | */ | |
404 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
405 | struct flist_head *list) | |
406 | { | |
89c1707c JA |
407 | int ret; |
408 | ||
40c60516 JA |
409 | if (list) |
410 | tag = alloc_reply(tag, opcode); | |
89c1707c | 411 | |
40c60516 | 412 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 413 | if (ret) { |
40c60516 JA |
414 | if (list) |
415 | free_reply(tag); | |
416 | ||
89c1707c JA |
417 | return ret; |
418 | } | |
419 | ||
40c60516 JA |
420 | if (list) |
421 | add_reply(tag, list); | |
422 | ||
89c1707c JA |
423 | return 0; |
424 | } | |
425 | ||
122c7725 | 426 | int fio_net_send_quit(int sk) |
437377e1 | 427 | { |
46c48f1f | 428 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 429 | |
8c95307b | 430 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
431 | } |
432 | ||
f58bd2a4 JA |
433 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
434 | int signal) | |
132159a5 | 435 | { |
11e950bd | 436 | struct cmd_end_pdu epdu; |
f58bd2a4 | 437 | uint64_t tag = 0; |
122c7725 | 438 | |
f58bd2a4 JA |
439 | if (cmd) |
440 | tag = cmd->tag; | |
122c7725 JA |
441 | |
442 | epdu.error = __cpu_to_le32(error); | |
443 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 444 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
445 | } |
446 | ||
447 | int fio_net_send_stop(int sk, int error, int signal) | |
448 | { | |
449 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
450 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
451 | } |
452 | ||
453 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
454 | { | |
455 | struct fio_fork_item *ffi; | |
456 | ||
457 | ffi = malloc(sizeof(*ffi)); | |
458 | ffi->exitval = 0; | |
459 | ffi->signal = 0; | |
460 | ffi->exited = 0; | |
461 | ffi->pid = pid; | |
462 | flist_add_tail(&ffi->list, list); | |
463 | } | |
464 | ||
465 | static void fio_server_add_conn_pid(pid_t pid) | |
466 | { | |
467 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", pid); | |
468 | fio_server_add_fork_item(pid, &conn_list); | |
469 | } | |
470 | ||
471 | static void fio_server_add_job_pid(pid_t pid) | |
472 | { | |
473 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", pid); | |
474 | fio_server_add_fork_item(pid, &job_list); | |
475 | } | |
476 | ||
477 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
478 | { | |
479 | int ret, status; | |
480 | ||
481 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
482 | if (ret < 0) { | |
483 | if (errno == ECHILD) { | |
484 | log_err("fio: connection pid %u disappeared\n", ffi->pid); | |
485 | ffi->exited = 1; | |
486 | } else | |
487 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
488 | } else if (ret == ffi->pid) { | |
489 | if (WIFSIGNALED(status)) { | |
490 | ffi->signal = WTERMSIG(status); | |
491 | ffi->exited = 1; | |
492 | } | |
493 | if (WIFEXITED(status)) { | |
494 | if (WEXITSTATUS(status)) | |
495 | ffi->exitval = WEXITSTATUS(status); | |
496 | ffi->exited = 1; | |
497 | } | |
498 | } | |
499 | } | |
500 | ||
501 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
502 | { | |
503 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", ffi->pid, ffi->signal, ffi->exitval); | |
504 | ||
505 | /* | |
506 | * Fold STOP and QUIT... | |
507 | */ | |
508 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
509 | fio_net_send_quit(server_fd); | |
510 | flist_del(&ffi->list); | |
511 | free(ffi); | |
512 | } | |
513 | ||
54163255 | 514 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
515 | { |
516 | struct flist_head *entry, *tmp; | |
517 | struct fio_fork_item *ffi; | |
518 | ||
519 | flist_for_each_safe(entry, tmp, list) { | |
520 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
521 | ||
522 | fio_server_check_fork_item(ffi); | |
523 | ||
524 | if (ffi->exited) | |
525 | fio_server_fork_item_done(ffi); | |
526 | } | |
527 | } | |
528 | ||
529 | static void fio_server_check_jobs(void) | |
530 | { | |
54163255 | 531 | fio_server_check_fork_items(&job_list); |
122c7725 JA |
532 | } |
533 | ||
534 | static void fio_server_check_conns(void) | |
535 | { | |
54163255 | 536 | fio_server_check_fork_items(&conn_list); |
122c7725 JA |
537 | } |
538 | ||
539 | static int handle_run_cmd(struct fio_net_cmd *cmd) | |
540 | { | |
541 | pid_t pid; | |
a64e88da | 542 | int ret; |
132159a5 | 543 | |
122c7725 | 544 | set_genesis_time(); |
11e950bd | 545 | |
122c7725 JA |
546 | pid = fork(); |
547 | if (pid) { | |
548 | fio_server_add_job_pid(pid); | |
549 | return 0; | |
550 | } | |
11e950bd | 551 | |
122c7725 | 552 | ret = fio_backend(); |
2bb3f0a7 | 553 | free_threads_shm(); |
122c7725 | 554 | _exit(ret); |
81179eec JA |
555 | } |
556 | ||
b9d2f30a JA |
557 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
558 | { | |
46bcd498 JA |
559 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
560 | void *buf = pdu->buf; | |
b9d2f30a JA |
561 | struct cmd_start_pdu spdu; |
562 | ||
46bcd498 JA |
563 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
564 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
565 | ||
566 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 567 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
568 | return -1; |
569 | } | |
570 | ||
571 | spdu.jobs = cpu_to_le32(thread_number); | |
40c60516 | 572 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
573 | return 0; |
574 | } | |
575 | ||
81179eec JA |
576 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
577 | { | |
fa2ea806 JA |
578 | void *pdu = cmd->payload; |
579 | struct cmd_single_line_pdu *cslp; | |
580 | struct cmd_line_pdu *clp; | |
581 | unsigned long offset; | |
b9d2f30a | 582 | struct cmd_start_pdu spdu; |
fa2ea806 | 583 | char **argv; |
b9d2f30a | 584 | int i; |
81179eec | 585 | |
fa2ea806 JA |
586 | clp = pdu; |
587 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 588 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
589 | argv = malloc(clp->lines * sizeof(char *)); |
590 | offset = sizeof(*clp); | |
81179eec | 591 | |
fa2ea806 | 592 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 593 | |
fa2ea806 JA |
594 | for (i = 0; i < clp->lines; i++) { |
595 | cslp = pdu + offset; | |
596 | argv[i] = (char *) cslp->text; | |
597 | ||
598 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
599 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
600 | } | |
81179eec | 601 | |
46bcd498 | 602 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 603 | fio_net_send_quit(server_fd); |
fa2ea806 | 604 | free(argv); |
81179eec | 605 | return -1; |
e6d1c668 | 606 | } |
81179eec | 607 | |
fa2ea806 JA |
608 | free(argv); |
609 | ||
b9d2f30a | 610 | spdu.jobs = cpu_to_le32(thread_number); |
40c60516 | 611 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 612 | return 0; |
132159a5 JA |
613 | } |
614 | ||
c28e8e8c JA |
615 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
616 | { | |
617 | struct cmd_probe_pdu probe; | |
40c60516 | 618 | uint64_t tag = cmd->tag; |
c28e8e8c | 619 | |
89c1707c JA |
620 | dprint(FD_NET, "server: sending probe reply\n"); |
621 | ||
c28e8e8c JA |
622 | memset(&probe, 0, sizeof(probe)); |
623 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
6eb24791 JA |
624 | #ifdef FIO_BIG_ENDIAN |
625 | probe.bigendian = 1; | |
626 | #endif | |
81179eec JA |
627 | probe.fio_major = FIO_MAJOR; |
628 | probe.fio_minor = FIO_MINOR; | |
629 | probe.fio_patch = FIO_PATCH; | |
c28e8e8c | 630 | |
cca84643 JA |
631 | probe.os = FIO_OS; |
632 | probe.arch = FIO_ARCH; | |
38fdef22 | 633 | probe.bpp = sizeof(void *); |
d31e26d0 JA |
634 | probe.cpus = __cpu_to_le32(cpus_online()); |
635 | probe.flags = 0; | |
38fdef22 | 636 | |
40c60516 | 637 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
638 | } |
639 | ||
640 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
641 | { | |
642 | struct jobs_eta *je; | |
643 | size_t size; | |
40c60516 | 644 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
645 | int i; |
646 | ||
b814fb26 JA |
647 | if (!thread_number) |
648 | return 0; | |
649 | ||
650 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
651 | je = malloc(size); |
652 | memset(je, 0, size); | |
af9c9fb3 JA |
653 | |
654 | if (!calc_thread_status(je, 1)) { | |
655 | free(je); | |
656 | return 0; | |
657 | } | |
658 | ||
659 | dprint(FD_NET, "server sending status\n"); | |
660 | ||
661 | je->nr_running = cpu_to_le32(je->nr_running); | |
662 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
663 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
664 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 JA |
665 | |
666 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
667 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
668 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
669 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
670 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
af9c9fb3 JA |
671 | je->rate[i] = cpu_to_le32(je->rate[i]); |
672 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
673 | } | |
674 | ||
c1970b90 | 675 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 676 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 677 | je->nr_threads = cpu_to_le32(je->nr_threads); |
af9c9fb3 | 678 | |
40c60516 | 679 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
680 | free(je); |
681 | return 0; | |
c28e8e8c JA |
682 | } |
683 | ||
40c60516 JA |
684 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
685 | { | |
686 | uint64_t tag = __tag; | |
687 | uint32_t pdu_error; | |
688 | ||
689 | pdu_error = __cpu_to_le32(error); | |
690 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
691 | } | |
692 | ||
f58bd2a4 JA |
693 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
694 | { | |
695 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
696 | struct thread_data *td; | |
697 | uint32_t tnumber; | |
698 | ||
699 | tnumber = le32_to_cpu(pdu->thread_number); | |
700 | ||
701 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
702 | ||
30ffacbf | 703 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 704 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
705 | return 0; |
706 | } | |
707 | ||
30ffacbf | 708 | td = &threads[tnumber - 1]; |
f58bd2a4 | 709 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 710 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
711 | return 0; |
712 | } | |
713 | ||
132159a5 JA |
714 | static int handle_command(struct fio_net_cmd *cmd) |
715 | { | |
716 | int ret; | |
717 | ||
89c1707c JA |
718 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", |
719 | fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); | |
46c48f1f | 720 | |
132159a5 JA |
721 | switch (cmd->opcode) { |
722 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 723 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 724 | return -1; |
d7959186 | 725 | case FIO_NET_CMD_EXIT: |
132159a5 | 726 | exit_backend = 1; |
c28e8e8c | 727 | return -1; |
132159a5 | 728 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 729 | ret = handle_job_cmd(cmd); |
132159a5 | 730 | break; |
81179eec JA |
731 | case FIO_NET_CMD_JOBLINE: |
732 | ret = handle_jobline_cmd(cmd); | |
733 | break; | |
c28e8e8c JA |
734 | case FIO_NET_CMD_PROBE: |
735 | ret = handle_probe_cmd(cmd); | |
736 | break; | |
af9c9fb3 JA |
737 | case FIO_NET_CMD_SEND_ETA: |
738 | ret = handle_send_eta_cmd(cmd); | |
739 | break; | |
b9d2f30a JA |
740 | case FIO_NET_CMD_RUN: |
741 | ret = handle_run_cmd(cmd); | |
742 | break; | |
f58bd2a4 JA |
743 | case FIO_NET_CMD_UPDATE_JOB: |
744 | ret = handle_update_job_cmd(cmd); | |
745 | break; | |
132159a5 | 746 | default: |
3c3ed070 | 747 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
748 | ret = 1; |
749 | } | |
750 | ||
751 | return ret; | |
752 | } | |
753 | ||
122c7725 | 754 | static int handle_connection(int sk) |
132159a5 JA |
755 | { |
756 | struct fio_net_cmd *cmd = NULL; | |
757 | int ret = 0; | |
758 | ||
122c7725 JA |
759 | reset_fio_state(); |
760 | INIT_FLIST_HEAD(&job_list); | |
761 | server_fd = sk; | |
762 | ||
132159a5 JA |
763 | /* read forever */ |
764 | while (!exit_backend) { | |
e951bdc4 JA |
765 | struct pollfd pfd = { |
766 | .fd = sk, | |
767 | .events = POLLIN, | |
768 | }; | |
769 | ||
770 | ret = 0; | |
771 | do { | |
54163255 JA |
772 | int timeout = 1000; |
773 | ||
774 | if (!flist_empty(&job_list)) | |
775 | timeout = 100; | |
3c3ed070 | 776 | |
54163255 | 777 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
778 | if (ret < 0) { |
779 | if (errno == EINTR) | |
780 | break; | |
781 | log_err("fio: poll: %s\n", strerror(errno)); | |
782 | break; | |
19c65179 | 783 | } else if (!ret) { |
122c7725 | 784 | fio_server_check_jobs(); |
e951bdc4 | 785 | continue; |
19c65179 | 786 | } |
e951bdc4 JA |
787 | |
788 | if (pfd.revents & POLLIN) | |
789 | break; | |
790 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
791 | ret = 1; | |
792 | break; | |
793 | } | |
19c65179 | 794 | } while (!exit_backend); |
e951bdc4 | 795 | |
122c7725 JA |
796 | fio_server_check_jobs(); |
797 | ||
e951bdc4 JA |
798 | if (ret < 0) |
799 | break; | |
800 | ||
801 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 802 | if (!cmd) { |
c28e8e8c | 803 | ret = -1; |
132159a5 JA |
804 | break; |
805 | } | |
806 | ||
132159a5 JA |
807 | ret = handle_command(cmd); |
808 | if (ret) | |
809 | break; | |
810 | ||
811 | free(cmd); | |
c77a99e7 | 812 | cmd = NULL; |
132159a5 JA |
813 | } |
814 | ||
815 | if (cmd) | |
816 | free(cmd); | |
817 | ||
122c7725 JA |
818 | close(sk); |
819 | _exit(ret); | |
cc0df00a JA |
820 | } |
821 | ||
50d16976 JA |
822 | static int accept_loop(int listen_sk) |
823 | { | |
bb447a27 | 824 | struct sockaddr_in addr; |
5ba13ea6 | 825 | fio_socklen_t len = sizeof(addr); |
009b1be4 | 826 | struct pollfd pfd; |
122c7725 | 827 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 828 | |
60efd14e JA |
829 | dprint(FD_NET, "server enter accept loop\n"); |
830 | ||
009b1be4 JA |
831 | flags = fcntl(listen_sk, F_GETFL); |
832 | flags |= O_NONBLOCK; | |
833 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 834 | |
122c7725 JA |
835 | while (!exit_backend) { |
836 | pid_t pid; | |
009b1be4 | 837 | |
122c7725 JA |
838 | pfd.fd = listen_sk; |
839 | pfd.events = POLLIN; | |
840 | do { | |
54163255 JA |
841 | int timeout = 1000; |
842 | ||
843 | if (!flist_empty(&conn_list)) | |
844 | timeout = 100; | |
845 | ||
846 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
847 | if (ret < 0) { |
848 | if (errno == EINTR) | |
849 | break; | |
850 | log_err("fio: poll: %s\n", strerror(errno)); | |
851 | break; | |
852 | } else if (!ret) { | |
853 | fio_server_check_conns(); | |
854 | continue; | |
855 | } | |
009b1be4 | 856 | |
122c7725 JA |
857 | if (pfd.revents & POLLIN) |
858 | break; | |
859 | } while (!exit_backend); | |
50d16976 | 860 | |
122c7725 | 861 | fio_server_check_conns(); |
46c48f1f | 862 | |
122c7725 JA |
863 | if (exit_backend || ret < 0) |
864 | break; | |
865 | ||
866 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
867 | if (sk < 0) { | |
868 | log_err("fio: accept: %s\n", strerror(errno)); | |
869 | return -1; | |
870 | } | |
37db14fe | 871 | |
122c7725 | 872 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 873 | |
122c7725 JA |
874 | pid = fork(); |
875 | if (pid) { | |
876 | close(sk); | |
877 | fio_server_add_conn_pid(pid); | |
878 | continue; | |
879 | } | |
5c341e9a | 880 | |
122c7725 JA |
881 | /* exits */ |
882 | handle_connection(sk); | |
883 | } | |
5c341e9a | 884 | |
132159a5 | 885 | return exitval; |
50d16976 JA |
886 | } |
887 | ||
084d1c6f | 888 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 889 | { |
084d1c6f JA |
890 | struct cmd_text_pdu *pdu; |
891 | unsigned int tlen; | |
892 | struct timeval tv; | |
893 | ||
894 | if (server_fd == -1) | |
895 | return log_local_buf(buf, len); | |
896 | ||
897 | tlen = sizeof(*pdu) + len; | |
898 | pdu = malloc(tlen); | |
899 | ||
900 | pdu->level = __cpu_to_le32(level); | |
901 | pdu->buf_len = __cpu_to_le32(len); | |
902 | ||
903 | gettimeofday(&tv, NULL); | |
904 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
905 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 906 | |
084d1c6f JA |
907 | memcpy(pdu->buf, buf, len); |
908 | ||
40c60516 | 909 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
910 | free(pdu); |
911 | return len; | |
142575e6 JA |
912 | } |
913 | ||
a64e88da JA |
914 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
915 | { | |
916 | dst->max_val = cpu_to_le64(src->max_val); | |
917 | dst->min_val = cpu_to_le64(src->min_val); | |
918 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
919 | |
920 | /* | |
921 | * Encode to IEEE 754 for network transfer | |
922 | */ | |
923 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
924 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
925 | } |
926 | ||
927 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
928 | { | |
929 | int i; | |
930 | ||
931 | for (i = 0; i < 2; i++) { | |
932 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
933 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
934 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
935 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
936 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
937 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
938 | } | |
939 | ||
940 | dst->kb_base = cpu_to_le32(src->kb_base); | |
941 | dst->groupid = cpu_to_le32(src->groupid); | |
942 | } | |
943 | ||
944 | /* | |
945 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
946 | * into a single payload. | |
947 | */ | |
948 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
949 | { | |
950 | struct cmd_ts_pdu p; | |
951 | int i, j; | |
952 | ||
60efd14e JA |
953 | dprint(FD_NET, "server sending end stats\n"); |
954 | ||
317b3c8b JA |
955 | memset(&p, 0, sizeof(p)); |
956 | ||
a64e88da JA |
957 | strcpy(p.ts.name, ts->name); |
958 | strcpy(p.ts.verror, ts->verror); | |
959 | strcpy(p.ts.description, ts->description); | |
960 | ||
2f122b13 JA |
961 | p.ts.error = cpu_to_le32(ts->error); |
962 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
963 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
964 | p.ts.pid = cpu_to_le32(ts->pid); | |
965 | p.ts.members = cpu_to_le32(ts->members); | |
a64e88da JA |
966 | |
967 | for (i = 0; i < 2; i++) { | |
968 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
969 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
970 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
971 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
972 | } | |
973 | ||
974 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
975 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
976 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
977 | p.ts.minf = cpu_to_le64(ts->minf); | |
978 | p.ts.majf = cpu_to_le64(ts->majf); | |
979 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
980 | |
981 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
982 | fio_fp64_t *src = &ts->percentile_list[i]; |
983 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 984 | |
cfc03e46 | 985 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 986 | } |
a64e88da JA |
987 | |
988 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
989 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
990 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
991 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
992 | } | |
993 | ||
994 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
995 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
996 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
997 | } | |
998 | ||
999 | for (i = 0; i < 2; i++) | |
1000 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
1001 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1002 | ||
1003 | for (i = 0; i < 3; i++) { | |
1004 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 1005 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1006 | } |
1007 | ||
93eee04a | 1008 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1009 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1010 | ||
1011 | for (i = 0; i < 2; i++) { | |
1012 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
1013 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1014 | } | |
1015 | ||
1016 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1017 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1018 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1019 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1020 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
1021 | |
1022 | convert_gs(&p.rs, rs); | |
1023 | ||
40c60516 | 1024 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1025 | } |
1026 | ||
1027 | void fio_server_send_gs(struct group_run_stats *rs) | |
1028 | { | |
1029 | struct group_run_stats gs; | |
1030 | ||
60efd14e JA |
1031 | dprint(FD_NET, "server sending group run stats\n"); |
1032 | ||
a64e88da | 1033 | convert_gs(&gs, rs); |
40c60516 | 1034 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1035 | } |
1036 | ||
d09a64a0 JA |
1037 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1038 | { | |
1039 | int i; | |
1040 | ||
1041 | for (i = 0; i < 2; i++) { | |
1042 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1043 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1044 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1045 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1046 | } | |
1047 | ||
1048 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1049 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1050 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1051 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1052 | } | |
1053 | ||
1054 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1055 | { | |
1056 | int i; | |
1057 | ||
1058 | strcpy((char *) dst->name, (char *) src->name); | |
1059 | ||
1060 | for (i = 0; i < 2; i++) { | |
1061 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1062 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1063 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1064 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1065 | } | |
1066 | ||
1067 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1068 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1069 | dst->msec = cpu_to_le64(src->msec); | |
1070 | } | |
1071 | ||
1072 | void fio_server_send_du(void) | |
1073 | { | |
1074 | struct disk_util *du; | |
1075 | struct flist_head *entry; | |
1076 | struct cmd_du_pdu pdu; | |
1077 | ||
1078 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1079 | ||
0766d92e JA |
1080 | memset(&pdu, 0, sizeof(pdu)); |
1081 | ||
d09a64a0 JA |
1082 | flist_for_each(entry, &disk_list) { |
1083 | du = flist_entry(entry, struct disk_util, list); | |
1084 | ||
1085 | convert_dus(&pdu.dus, &du->dus); | |
1086 | convert_agg(&pdu.agg, &du->agg); | |
1087 | ||
40c60516 | 1088 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1089 | } |
1090 | } | |
1091 | ||
53bd8dbc JA |
1092 | /* |
1093 | * Send a command with a separate PDU, not inlined in the command | |
1094 | */ | |
1095 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1096 | off_t size, uint64_t tag, uint32_t flags) | |
1097 | { | |
1098 | struct fio_net_cmd cmd; | |
1099 | struct iovec iov[2]; | |
1100 | ||
1101 | iov[0].iov_base = &cmd; | |
1102 | iov[0].iov_len = sizeof(cmd); | |
1103 | iov[1].iov_base = (void *) buf; | |
1104 | iov[1].iov_len = size; | |
1105 | ||
1106 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1107 | cmd.flags = __cpu_to_le32(flags); | |
1108 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1109 | ||
8c95307b | 1110 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1111 | } |
1112 | ||
1b42725f JA |
1113 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1114 | { | |
f5ed765a | 1115 | struct cmd_iolog_pdu pdu; |
1b42725f JA |
1116 | z_stream stream; |
1117 | void *out_pdu; | |
53bd8dbc | 1118 | int i, ret = 0; |
1b42725f | 1119 | |
2f122b13 | 1120 | pdu.thread_number = cpu_to_le32(td->thread_number); |
f5ed765a JA |
1121 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); |
1122 | pdu.log_type = cpu_to_le32(log->log_type); | |
1123 | strcpy((char *) pdu.name, name); | |
1b42725f JA |
1124 | |
1125 | for (i = 0; i < log->nr_samples; i++) { | |
f5ed765a | 1126 | struct io_sample *s = &log->log[i]; |
1b42725f | 1127 | |
f5ed765a JA |
1128 | s->time = cpu_to_le64(s->time); |
1129 | s->val = cpu_to_le64(s->val); | |
1130 | s->ddir = cpu_to_le32(s->ddir); | |
1131 | s->bs = cpu_to_le32(s->bs); | |
1b42725f JA |
1132 | } |
1133 | ||
1134 | /* | |
1135 | * Dirty - since the log is potentially huge, compress it into | |
1136 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1137 | * side defragment it. | |
1138 | */ | |
1139 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1140 | ||
1141 | stream.zalloc = Z_NULL; | |
1142 | stream.zfree = Z_NULL; | |
1143 | stream.opaque = Z_NULL; | |
1144 | ||
1145 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1146 | ret = 1; |
1147 | goto err; | |
1b42725f JA |
1148 | } |
1149 | ||
1150 | /* | |
f5ed765a | 1151 | * Send header first, it's not compressed. |
1b42725f | 1152 | */ |
53bd8dbc JA |
1153 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, |
1154 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1155 | if (ret) | |
1156 | goto err_zlib; | |
1b42725f | 1157 | |
f5ed765a JA |
1158 | stream.next_in = (void *) log->log; |
1159 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1160 | |
1161 | do { | |
53bd8dbc JA |
1162 | unsigned int this_len, flags = 0; |
1163 | int ret; | |
1b42725f JA |
1164 | |
1165 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1166 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1167 | ret = deflate(&stream, Z_FINISH); |
1168 | /* may be Z_OK, or Z_STREAM_END */ | |
1169 | if (ret < 0) | |
1170 | goto err_zlib; | |
1b42725f JA |
1171 | |
1172 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1173 | ||
1b42725f | 1174 | if (stream.avail_in) |
53bd8dbc | 1175 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1176 | |
53bd8dbc JA |
1177 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1178 | out_pdu, this_len, 0, flags); | |
1179 | if (ret) | |
1180 | goto err_zlib; | |
1b42725f JA |
1181 | } while (stream.avail_in); |
1182 | ||
53bd8dbc | 1183 | err_zlib: |
1b42725f | 1184 | deflateEnd(&stream); |
53bd8dbc JA |
1185 | err: |
1186 | free(out_pdu); | |
1187 | return ret; | |
1b42725f JA |
1188 | } |
1189 | ||
2f122b13 | 1190 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1191 | { |
1192 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1193 | |
731e30a2 | 1194 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1195 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1196 | pdu.groupid = cpu_to_le32(td->groupid); | |
1197 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1198 | |
40c60516 | 1199 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1200 | } |
1201 | ||
122c7725 JA |
1202 | void fio_server_send_start(struct thread_data *td) |
1203 | { | |
1204 | assert(server_fd != -1); | |
1205 | ||
1206 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1207 | } | |
1208 | ||
87aa8f19 | 1209 | static int fio_init_server_ip(void) |
81179eec | 1210 | { |
811826be JA |
1211 | struct sockaddr *addr; |
1212 | fio_socklen_t socklen; | |
87aa8f19 | 1213 | int sk, opt; |
81179eec | 1214 | |
811826be JA |
1215 | if (use_ipv6) |
1216 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1217 | else | |
1218 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1219 | ||
81179eec JA |
1220 | if (sk < 0) { |
1221 | log_err("fio: socket: %s\n", strerror(errno)); | |
1222 | return -1; | |
1223 | } | |
1224 | ||
1225 | opt = 1; | |
1226 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
1227 | log_err("fio: setsockopt: %s\n", strerror(errno)); | |
b94cba47 | 1228 | close(sk); |
81179eec JA |
1229 | return -1; |
1230 | } | |
1231 | #ifdef SO_REUSEPORT | |
6eb24791 | 1232 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1233 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1234 | close(sk); |
81179eec JA |
1235 | return -1; |
1236 | } | |
1237 | #endif | |
1238 | ||
811826be JA |
1239 | if (use_ipv6) { |
1240 | addr = (struct sockaddr *) &saddr_in6; | |
1241 | socklen = sizeof(saddr_in6); | |
1242 | saddr_in6.sin6_family = AF_INET6; | |
1243 | } else { | |
1244 | addr = (struct sockaddr *) &saddr_in; | |
1245 | socklen = sizeof(saddr_in); | |
1246 | saddr_in.sin_family = AF_INET; | |
1247 | } | |
81179eec | 1248 | |
811826be | 1249 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1250 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1251 | close(sk); |
81179eec JA |
1252 | return -1; |
1253 | } | |
1254 | ||
87aa8f19 JA |
1255 | return sk; |
1256 | } | |
1257 | ||
1258 | static int fio_init_server_sock(void) | |
1259 | { | |
1260 | struct sockaddr_un addr; | |
1261 | fio_socklen_t len; | |
1262 | mode_t mode; | |
1263 | int sk; | |
1264 | ||
1265 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1266 | if (sk < 0) { | |
1267 | log_err("fio: socket: %s\n", strerror(errno)); | |
1268 | return -1; | |
1269 | } | |
1270 | ||
1271 | mode = umask(000); | |
1272 | ||
1273 | memset(&addr, 0, sizeof(addr)); | |
1274 | addr.sun_family = AF_UNIX; | |
1275 | strcpy(addr.sun_path, bind_sock); | |
1276 | unlink(bind_sock); | |
1277 | ||
1278 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1279 | ||
1280 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1281 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1282 | close(sk); |
87aa8f19 JA |
1283 | return -1; |
1284 | } | |
1285 | ||
1286 | umask(mode); | |
1287 | return sk; | |
1288 | } | |
1289 | ||
1290 | static int fio_init_server_connection(void) | |
1291 | { | |
bebe6398 | 1292 | char bind_str[128]; |
87aa8f19 JA |
1293 | int sk; |
1294 | ||
1295 | dprint(FD_NET, "starting server\n"); | |
1296 | ||
1297 | if (!bind_sock) | |
1298 | sk = fio_init_server_ip(); | |
1299 | else | |
1300 | sk = fio_init_server_sock(); | |
1301 | ||
1302 | if (sk < 0) | |
1303 | return sk; | |
1304 | ||
811826be JA |
1305 | if (!bind_sock) { |
1306 | char *p, port[16]; | |
1307 | const void *src; | |
1308 | int af; | |
1309 | ||
1310 | if (use_ipv6) { | |
1311 | af = AF_INET6; | |
1312 | src = &saddr_in6.sin6_addr; | |
1313 | } else { | |
1314 | af = AF_INET; | |
1315 | src = &saddr_in.sin_addr; | |
1316 | } | |
1317 | ||
1318 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1319 | ||
1320 | sprintf(port, ",%u", fio_net_port); | |
1321 | if (p) | |
1322 | strcat(p, port); | |
1323 | else | |
1324 | strcpy(bind_str, port); | |
1325 | } else | |
bebe6398 JA |
1326 | strcpy(bind_str, bind_sock); |
1327 | ||
1328 | log_info("fio: server listening on %s\n", bind_str); | |
1329 | ||
89c1707c | 1330 | if (listen(sk, 0) < 0) { |
81179eec JA |
1331 | log_err("fio: listen: %s\n", strerror(errno)); |
1332 | return -1; | |
1333 | } | |
1334 | ||
87aa8f19 JA |
1335 | return sk; |
1336 | } | |
1337 | ||
3ec62ec4 JA |
1338 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1339 | struct in6_addr *inp6) | |
1340 | ||
1341 | { | |
1342 | int ret = 0; | |
1343 | ||
1344 | if (*ipv6) | |
1345 | ret = inet_pton(AF_INET6, host, inp6); | |
1346 | else | |
1347 | ret = inet_pton(AF_INET, host, inp); | |
1348 | ||
1349 | if (ret != 1) { | |
1350 | struct hostent *hent; | |
1351 | ||
1352 | hent = gethostbyname(host); | |
1353 | if (!hent) { | |
1354 | log_err("fio: failed to resolve <%s>\n", host); | |
1355 | return 0; | |
1356 | } | |
1357 | ||
1358 | if (*ipv6) { | |
1359 | if (hent->h_addrtype != AF_INET6) { | |
1360 | log_info("fio: falling back to IPv4\n"); | |
1361 | *ipv6 = 0; | |
1362 | } else | |
1363 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1364 | } | |
1365 | if (!*ipv6) { | |
1366 | if (hent->h_addrtype != AF_INET) { | |
1367 | log_err("fio: lookup type mismatch\n"); | |
1368 | return 0; | |
1369 | } | |
1370 | memcpy(inp, hent->h_addr_list[0], 4); | |
1371 | } | |
1372 | ret = 1; | |
1373 | } | |
1374 | ||
1375 | return !(ret == 1); | |
1376 | } | |
1377 | ||
660a2bfb JA |
1378 | /* |
1379 | * Parse a host/ip/port string. Reads from 'str'. | |
1380 | * | |
1381 | * Outputs: | |
1382 | * | |
1383 | * For IPv4: | |
1384 | * *ptr is the host, *port is the port, inp is the destination. | |
1385 | * For IPv6: | |
1386 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1387 | * For local domain sockets: | |
1388 | * *ptr is the filename, *is_sock is 1. | |
1389 | */ | |
bebe6398 | 1390 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1391 | int *port, struct in_addr *inp, |
1392 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1393 | { |
76867621 JA |
1394 | const char *host = str; |
1395 | char *portp; | |
3ec62ec4 | 1396 | int lport = 0; |
76867621 | 1397 | |
bebe6398 JA |
1398 | *ptr = NULL; |
1399 | *is_sock = 0; | |
6d2cf394 | 1400 | *port = fio_net_port; |
811826be | 1401 | *ipv6 = 0; |
bebe6398 JA |
1402 | |
1403 | if (!strncmp(str, "sock:", 5)) { | |
1404 | *ptr = strdup(str + 5); | |
1405 | *is_sock = 1; | |
76867621 JA |
1406 | |
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * Is it ip:<ip or host>:port | |
1412 | */ | |
1413 | if (!strncmp(host, "ip:", 3)) | |
1414 | host += 3; | |
1415 | else if (!strncmp(host, "ip4:", 4)) | |
1416 | host += 4; | |
1417 | else if (!strncmp(host, "ip6:", 4)) { | |
1418 | host += 4; | |
1419 | *ipv6 = 1; | |
1420 | } else if (host[0] == ':') { | |
1421 | /* String is :port */ | |
1422 | host++; | |
1423 | lport = atoi(host); | |
1424 | if (!lport || lport > 65535) { | |
1425 | log_err("fio: bad server port %u\n", port); | |
1426 | return 1; | |
1427 | } | |
1428 | /* no hostname given, we are done */ | |
1429 | *port = lport; | |
1430 | return 0; | |
1431 | } | |
1432 | ||
1433 | /* | |
1434 | * If no port seen yet, check if there's a last ':' at the end | |
1435 | */ | |
1436 | if (!lport) { | |
1437 | portp = strchr(host, ','); | |
1438 | if (portp) { | |
1439 | *portp = '\0'; | |
1440 | portp++; | |
1441 | lport = atoi(portp); | |
bebe6398 JA |
1442 | if (!lport || lport > 65535) { |
1443 | log_err("fio: bad server port %u\n", port); | |
1444 | return 1; | |
1445 | } | |
bebe6398 | 1446 | } |
76867621 | 1447 | } |
bebe6398 | 1448 | |
76867621 JA |
1449 | if (lport) |
1450 | *port = lport; | |
bebe6398 | 1451 | |
76867621 JA |
1452 | if (!strlen(host)) |
1453 | return 0; | |
bebe6398 | 1454 | |
76867621 | 1455 | *ptr = strdup(host); |
811826be | 1456 | |
3ec62ec4 JA |
1457 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1458 | free(*ptr); | |
1459 | *ptr = NULL; | |
1460 | return 1; | |
bebe6398 JA |
1461 | } |
1462 | ||
1463 | if (*port == 0) | |
1464 | *port = fio_net_port; | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
87aa8f19 JA |
1469 | /* |
1470 | * Server arg should be one of: | |
1471 | * | |
1472 | * sock:/path/to/socket | |
1473 | * ip:1.2.3.4 | |
1474 | * 1.2.3.4 | |
1475 | * | |
1476 | * Where sock uses unix domain sockets, and ip binds the server to | |
1477 | * a specific interface. If no arguments are given to the server, it | |
1478 | * uses IP and binds to 0.0.0.0. | |
1479 | * | |
1480 | */ | |
1481 | static int fio_handle_server_arg(void) | |
1482 | { | |
6d2cf394 | 1483 | int port = fio_net_port; |
a7de0a11 | 1484 | int is_sock, ret = 0; |
bebe6398 | 1485 | |
87aa8f19 JA |
1486 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1487 | ||
1488 | if (!fio_server_arg) | |
a7de0a11 | 1489 | goto out; |
87aa8f19 | 1490 | |
4e5b8fb8 | 1491 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1492 | &port, &saddr_in.sin_addr, |
1493 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1494 | |
1495 | if (!is_sock && bind_sock) { | |
1496 | free(bind_sock); | |
1497 | bind_sock = NULL; | |
1498 | } | |
1499 | ||
a7de0a11 | 1500 | out: |
6d2cf394 JA |
1501 | fio_net_port = port; |
1502 | saddr_in.sin_port = htons(port); | |
811826be | 1503 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1504 | return ret; |
87aa8f19 JA |
1505 | } |
1506 | ||
1507 | static int fio_server(void) | |
1508 | { | |
1509 | int sk, ret; | |
1510 | ||
1511 | dprint(FD_NET, "starting server\n"); | |
1512 | ||
1513 | if (fio_handle_server_arg()) | |
1514 | return -1; | |
1515 | ||
1516 | sk = fio_init_server_connection(); | |
1517 | if (sk < 0) | |
1518 | return -1; | |
81179eec JA |
1519 | |
1520 | ret = accept_loop(sk); | |
87aa8f19 | 1521 | |
81179eec | 1522 | close(sk); |
87aa8f19 JA |
1523 | |
1524 | if (fio_server_arg) { | |
1525 | free(fio_server_arg); | |
1526 | fio_server_arg = NULL; | |
1527 | } | |
bebe6398 JA |
1528 | if (bind_sock) |
1529 | free(bind_sock); | |
87aa8f19 | 1530 | |
81179eec JA |
1531 | return ret; |
1532 | } | |
1533 | ||
7b821684 | 1534 | void fio_server_got_signal(int signal) |
9abea48b | 1535 | { |
7b821684 JA |
1536 | if (signal == SIGPIPE) |
1537 | server_fd = -1; | |
1538 | else { | |
1539 | log_info("\nfio: terminating on signal %d\n", signal); | |
1540 | exit_backend = 1; | |
1541 | } | |
9abea48b JA |
1542 | } |
1543 | ||
13755d94 JA |
1544 | static int check_existing_pidfile(const char *pidfile) |
1545 | { | |
1546 | struct stat sb; | |
1547 | char buf[16]; | |
1548 | pid_t pid; | |
1549 | FILE *f; | |
1550 | ||
1551 | if (stat(pidfile, &sb)) | |
1552 | return 0; | |
1553 | ||
1554 | f = fopen(pidfile, "r"); | |
1555 | if (!f) | |
1556 | return 0; | |
1557 | ||
bfc3b179 | 1558 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1559 | fclose(f); |
1560 | return 1; | |
1561 | } | |
1562 | fclose(f); | |
1563 | ||
1564 | pid = atoi(buf); | |
1565 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1566 | return errno != ESRCH; |
13755d94 JA |
1567 | |
1568 | return 1; | |
1569 | } | |
1570 | ||
1571 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1572 | { |
1573 | FILE *fpid; | |
1574 | ||
1575 | fpid = fopen(pidfile, "w"); | |
1576 | if (!fpid) { | |
1577 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1578 | return 1; |
402668f3 JA |
1579 | } |
1580 | ||
1581 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1582 | fclose(fpid); |
1583 | return 0; | |
402668f3 JA |
1584 | } |
1585 | ||
1586 | /* | |
1587 | * If pidfile is specified, background us. | |
1588 | */ | |
1589 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1590 | { |
1591 | pid_t pid; | |
402668f3 | 1592 | int ret; |
e46d8091 | 1593 | |
93bcfd20 | 1594 | #if defined(WIN32) |
905c78b9 | 1595 | WSADATA wsd; |
3c3ed070 | 1596 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1597 | #endif |
1598 | ||
402668f3 | 1599 | if (!pidfile) |
e46d8091 JA |
1600 | return fio_server(); |
1601 | ||
13755d94 JA |
1602 | if (check_existing_pidfile(pidfile)) { |
1603 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1604 | pidfile); | |
1605 | return -1; | |
1606 | } | |
1607 | ||
e46d8091 JA |
1608 | pid = fork(); |
1609 | if (pid < 0) { | |
13755d94 | 1610 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1611 | free(pidfile); |
c28e8e8c | 1612 | return -1; |
402668f3 | 1613 | } else if (pid) { |
13755d94 JA |
1614 | int ret = write_pid(pid, pidfile); |
1615 | ||
1616 | exit(ret); | |
402668f3 | 1617 | } |
e46d8091 JA |
1618 | |
1619 | setsid(); | |
13755d94 JA |
1620 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1621 | log_syslog = 1; | |
e46d8091 JA |
1622 | close(STDIN_FILENO); |
1623 | close(STDOUT_FILENO); | |
1624 | close(STDERR_FILENO); | |
1625 | f_out = NULL; | |
1626 | f_err = NULL; | |
402668f3 JA |
1627 | |
1628 | ret = fio_server(); | |
1629 | ||
1630 | closelog(); | |
1631 | unlink(pidfile); | |
1632 | free(pidfile); | |
1633 | return ret; | |
e46d8091 | 1634 | } |
87aa8f19 | 1635 | |
bebe6398 | 1636 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1637 | { |
1638 | fio_server_arg = strdup(arg); | |
1639 | } |