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 JA |
552 | ret = fio_backend(); |
553 | _exit(ret); | |
81179eec JA |
554 | } |
555 | ||
b9d2f30a JA |
556 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
557 | { | |
46bcd498 JA |
558 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
559 | void *buf = pdu->buf; | |
b9d2f30a JA |
560 | struct cmd_start_pdu spdu; |
561 | ||
46bcd498 JA |
562 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
563 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
564 | ||
565 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 566 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
567 | return -1; |
568 | } | |
569 | ||
570 | spdu.jobs = cpu_to_le32(thread_number); | |
40c60516 | 571 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
572 | return 0; |
573 | } | |
574 | ||
81179eec JA |
575 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
576 | { | |
fa2ea806 JA |
577 | void *pdu = cmd->payload; |
578 | struct cmd_single_line_pdu *cslp; | |
579 | struct cmd_line_pdu *clp; | |
580 | unsigned long offset; | |
b9d2f30a | 581 | struct cmd_start_pdu spdu; |
fa2ea806 | 582 | char **argv; |
b9d2f30a | 583 | int i; |
81179eec | 584 | |
fa2ea806 JA |
585 | clp = pdu; |
586 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 587 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
588 | argv = malloc(clp->lines * sizeof(char *)); |
589 | offset = sizeof(*clp); | |
81179eec | 590 | |
fa2ea806 | 591 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 592 | |
fa2ea806 JA |
593 | for (i = 0; i < clp->lines; i++) { |
594 | cslp = pdu + offset; | |
595 | argv[i] = (char *) cslp->text; | |
596 | ||
597 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
598 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
599 | } | |
81179eec | 600 | |
46bcd498 | 601 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 602 | fio_net_send_quit(server_fd); |
fa2ea806 | 603 | free(argv); |
81179eec | 604 | return -1; |
e6d1c668 | 605 | } |
81179eec | 606 | |
fa2ea806 JA |
607 | free(argv); |
608 | ||
b9d2f30a | 609 | spdu.jobs = cpu_to_le32(thread_number); |
40c60516 | 610 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 611 | return 0; |
132159a5 JA |
612 | } |
613 | ||
c28e8e8c JA |
614 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
615 | { | |
616 | struct cmd_probe_pdu probe; | |
40c60516 | 617 | uint64_t tag = cmd->tag; |
c28e8e8c | 618 | |
89c1707c JA |
619 | dprint(FD_NET, "server: sending probe reply\n"); |
620 | ||
c28e8e8c JA |
621 | memset(&probe, 0, sizeof(probe)); |
622 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
6eb24791 JA |
623 | #ifdef FIO_BIG_ENDIAN |
624 | probe.bigendian = 1; | |
625 | #endif | |
81179eec JA |
626 | probe.fio_major = FIO_MAJOR; |
627 | probe.fio_minor = FIO_MINOR; | |
628 | probe.fio_patch = FIO_PATCH; | |
c28e8e8c | 629 | |
cca84643 JA |
630 | probe.os = FIO_OS; |
631 | probe.arch = FIO_ARCH; | |
632 | ||
38fdef22 JA |
633 | probe.bpp = sizeof(void *); |
634 | ||
40c60516 | 635 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
636 | } |
637 | ||
638 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
639 | { | |
640 | struct jobs_eta *je; | |
641 | size_t size; | |
40c60516 | 642 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
643 | int i; |
644 | ||
b814fb26 JA |
645 | if (!thread_number) |
646 | return 0; | |
647 | ||
648 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
649 | je = malloc(size); |
650 | memset(je, 0, size); | |
af9c9fb3 JA |
651 | |
652 | if (!calc_thread_status(je, 1)) { | |
653 | free(je); | |
654 | return 0; | |
655 | } | |
656 | ||
657 | dprint(FD_NET, "server sending status\n"); | |
658 | ||
659 | je->nr_running = cpu_to_le32(je->nr_running); | |
660 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
661 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
662 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 JA |
663 | |
664 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
665 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
666 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
667 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
668 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
af9c9fb3 JA |
669 | je->rate[i] = cpu_to_le32(je->rate[i]); |
670 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
671 | } | |
672 | ||
c1970b90 | 673 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 674 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 675 | je->nr_threads = cpu_to_le32(je->nr_threads); |
af9c9fb3 | 676 | |
40c60516 | 677 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
678 | free(je); |
679 | return 0; | |
c28e8e8c JA |
680 | } |
681 | ||
40c60516 JA |
682 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
683 | { | |
684 | uint64_t tag = __tag; | |
685 | uint32_t pdu_error; | |
686 | ||
687 | pdu_error = __cpu_to_le32(error); | |
688 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
689 | } | |
690 | ||
f58bd2a4 JA |
691 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
692 | { | |
693 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
694 | struct thread_data *td; | |
695 | uint32_t tnumber; | |
696 | ||
697 | tnumber = le32_to_cpu(pdu->thread_number); | |
698 | ||
699 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
700 | ||
30ffacbf | 701 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 702 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
703 | return 0; |
704 | } | |
705 | ||
30ffacbf | 706 | td = &threads[tnumber - 1]; |
f58bd2a4 | 707 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 708 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
709 | return 0; |
710 | } | |
711 | ||
132159a5 JA |
712 | static int handle_command(struct fio_net_cmd *cmd) |
713 | { | |
714 | int ret; | |
715 | ||
89c1707c JA |
716 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", |
717 | fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); | |
46c48f1f | 718 | |
132159a5 JA |
719 | switch (cmd->opcode) { |
720 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 721 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 722 | return -1; |
d7959186 | 723 | case FIO_NET_CMD_EXIT: |
132159a5 | 724 | exit_backend = 1; |
c28e8e8c | 725 | return -1; |
132159a5 | 726 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 727 | ret = handle_job_cmd(cmd); |
132159a5 | 728 | break; |
81179eec JA |
729 | case FIO_NET_CMD_JOBLINE: |
730 | ret = handle_jobline_cmd(cmd); | |
731 | break; | |
c28e8e8c JA |
732 | case FIO_NET_CMD_PROBE: |
733 | ret = handle_probe_cmd(cmd); | |
734 | break; | |
af9c9fb3 JA |
735 | case FIO_NET_CMD_SEND_ETA: |
736 | ret = handle_send_eta_cmd(cmd); | |
737 | break; | |
b9d2f30a JA |
738 | case FIO_NET_CMD_RUN: |
739 | ret = handle_run_cmd(cmd); | |
740 | break; | |
f58bd2a4 JA |
741 | case FIO_NET_CMD_UPDATE_JOB: |
742 | ret = handle_update_job_cmd(cmd); | |
743 | break; | |
132159a5 | 744 | default: |
3c3ed070 | 745 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
746 | ret = 1; |
747 | } | |
748 | ||
749 | return ret; | |
750 | } | |
751 | ||
122c7725 | 752 | static int handle_connection(int sk) |
132159a5 JA |
753 | { |
754 | struct fio_net_cmd *cmd = NULL; | |
755 | int ret = 0; | |
756 | ||
122c7725 JA |
757 | reset_fio_state(); |
758 | INIT_FLIST_HEAD(&job_list); | |
759 | server_fd = sk; | |
760 | ||
132159a5 JA |
761 | /* read forever */ |
762 | while (!exit_backend) { | |
e951bdc4 JA |
763 | struct pollfd pfd = { |
764 | .fd = sk, | |
765 | .events = POLLIN, | |
766 | }; | |
767 | ||
768 | ret = 0; | |
769 | do { | |
54163255 JA |
770 | int timeout = 1000; |
771 | ||
772 | if (!flist_empty(&job_list)) | |
773 | timeout = 100; | |
3c3ed070 | 774 | |
54163255 | 775 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
776 | if (ret < 0) { |
777 | if (errno == EINTR) | |
778 | break; | |
779 | log_err("fio: poll: %s\n", strerror(errno)); | |
780 | break; | |
19c65179 | 781 | } else if (!ret) { |
122c7725 | 782 | fio_server_check_jobs(); |
e951bdc4 | 783 | continue; |
19c65179 | 784 | } |
e951bdc4 JA |
785 | |
786 | if (pfd.revents & POLLIN) | |
787 | break; | |
788 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
789 | ret = 1; | |
790 | break; | |
791 | } | |
19c65179 | 792 | } while (!exit_backend); |
e951bdc4 | 793 | |
122c7725 JA |
794 | fio_server_check_jobs(); |
795 | ||
e951bdc4 JA |
796 | if (ret < 0) |
797 | break; | |
798 | ||
799 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 800 | if (!cmd) { |
c28e8e8c | 801 | ret = -1; |
132159a5 JA |
802 | break; |
803 | } | |
804 | ||
132159a5 JA |
805 | ret = handle_command(cmd); |
806 | if (ret) | |
807 | break; | |
808 | ||
809 | free(cmd); | |
c77a99e7 | 810 | cmd = NULL; |
132159a5 JA |
811 | } |
812 | ||
813 | if (cmd) | |
814 | free(cmd); | |
815 | ||
122c7725 JA |
816 | close(sk); |
817 | _exit(ret); | |
cc0df00a JA |
818 | } |
819 | ||
50d16976 JA |
820 | static int accept_loop(int listen_sk) |
821 | { | |
bb447a27 | 822 | struct sockaddr_in addr; |
5ba13ea6 | 823 | fio_socklen_t len = sizeof(addr); |
009b1be4 | 824 | struct pollfd pfd; |
122c7725 | 825 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 826 | |
60efd14e JA |
827 | dprint(FD_NET, "server enter accept loop\n"); |
828 | ||
009b1be4 JA |
829 | flags = fcntl(listen_sk, F_GETFL); |
830 | flags |= O_NONBLOCK; | |
831 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 832 | |
122c7725 JA |
833 | while (!exit_backend) { |
834 | pid_t pid; | |
009b1be4 | 835 | |
122c7725 JA |
836 | pfd.fd = listen_sk; |
837 | pfd.events = POLLIN; | |
838 | do { | |
54163255 JA |
839 | int timeout = 1000; |
840 | ||
841 | if (!flist_empty(&conn_list)) | |
842 | timeout = 100; | |
843 | ||
844 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
845 | if (ret < 0) { |
846 | if (errno == EINTR) | |
847 | break; | |
848 | log_err("fio: poll: %s\n", strerror(errno)); | |
849 | break; | |
850 | } else if (!ret) { | |
851 | fio_server_check_conns(); | |
852 | continue; | |
853 | } | |
009b1be4 | 854 | |
122c7725 JA |
855 | if (pfd.revents & POLLIN) |
856 | break; | |
857 | } while (!exit_backend); | |
50d16976 | 858 | |
122c7725 | 859 | fio_server_check_conns(); |
46c48f1f | 860 | |
122c7725 JA |
861 | if (exit_backend || ret < 0) |
862 | break; | |
863 | ||
864 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
865 | if (sk < 0) { | |
866 | log_err("fio: accept: %s\n", strerror(errno)); | |
867 | return -1; | |
868 | } | |
37db14fe | 869 | |
122c7725 | 870 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 871 | |
122c7725 JA |
872 | pid = fork(); |
873 | if (pid) { | |
874 | close(sk); | |
875 | fio_server_add_conn_pid(pid); | |
876 | continue; | |
877 | } | |
5c341e9a | 878 | |
122c7725 JA |
879 | /* exits */ |
880 | handle_connection(sk); | |
881 | } | |
5c341e9a | 882 | |
132159a5 | 883 | return exitval; |
50d16976 JA |
884 | } |
885 | ||
084d1c6f | 886 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 887 | { |
084d1c6f JA |
888 | struct cmd_text_pdu *pdu; |
889 | unsigned int tlen; | |
890 | struct timeval tv; | |
891 | ||
892 | if (server_fd == -1) | |
893 | return log_local_buf(buf, len); | |
894 | ||
895 | tlen = sizeof(*pdu) + len; | |
896 | pdu = malloc(tlen); | |
897 | ||
898 | pdu->level = __cpu_to_le32(level); | |
899 | pdu->buf_len = __cpu_to_le32(len); | |
900 | ||
901 | gettimeofday(&tv, NULL); | |
902 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
903 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 904 | |
084d1c6f JA |
905 | memcpy(pdu->buf, buf, len); |
906 | ||
40c60516 | 907 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
908 | free(pdu); |
909 | return len; | |
142575e6 JA |
910 | } |
911 | ||
a64e88da JA |
912 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
913 | { | |
914 | dst->max_val = cpu_to_le64(src->max_val); | |
915 | dst->min_val = cpu_to_le64(src->min_val); | |
916 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
917 | |
918 | /* | |
919 | * Encode to IEEE 754 for network transfer | |
920 | */ | |
921 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
922 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
923 | } |
924 | ||
925 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
926 | { | |
927 | int i; | |
928 | ||
929 | for (i = 0; i < 2; i++) { | |
930 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
931 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
932 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
933 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
934 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
935 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
936 | } | |
937 | ||
938 | dst->kb_base = cpu_to_le32(src->kb_base); | |
939 | dst->groupid = cpu_to_le32(src->groupid); | |
940 | } | |
941 | ||
942 | /* | |
943 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
944 | * into a single payload. | |
945 | */ | |
946 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
947 | { | |
948 | struct cmd_ts_pdu p; | |
949 | int i, j; | |
950 | ||
60efd14e JA |
951 | dprint(FD_NET, "server sending end stats\n"); |
952 | ||
317b3c8b JA |
953 | memset(&p, 0, sizeof(p)); |
954 | ||
a64e88da JA |
955 | strcpy(p.ts.name, ts->name); |
956 | strcpy(p.ts.verror, ts->verror); | |
957 | strcpy(p.ts.description, ts->description); | |
958 | ||
2f122b13 JA |
959 | p.ts.error = cpu_to_le32(ts->error); |
960 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
961 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
962 | p.ts.pid = cpu_to_le32(ts->pid); | |
963 | p.ts.members = cpu_to_le32(ts->members); | |
a64e88da JA |
964 | |
965 | for (i = 0; i < 2; i++) { | |
966 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
967 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
968 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
969 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
970 | } | |
971 | ||
972 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
973 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
974 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
975 | p.ts.minf = cpu_to_le64(ts->minf); | |
976 | p.ts.majf = cpu_to_le64(ts->majf); | |
977 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
978 | |
979 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
980 | fio_fp64_t *src = &ts->percentile_list[i]; |
981 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 982 | |
cfc03e46 | 983 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 984 | } |
a64e88da JA |
985 | |
986 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
987 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
988 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
989 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
990 | } | |
991 | ||
992 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
993 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
994 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
995 | } | |
996 | ||
997 | for (i = 0; i < 2; i++) | |
998 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
999 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1000 | ||
1001 | for (i = 0; i < 3; i++) { | |
1002 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 1003 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1004 | } |
1005 | ||
93eee04a | 1006 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1007 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1008 | ||
1009 | for (i = 0; i < 2; i++) { | |
1010 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
1011 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1012 | } | |
1013 | ||
1014 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1015 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1016 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1017 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1018 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
1019 | |
1020 | convert_gs(&p.rs, rs); | |
1021 | ||
40c60516 | 1022 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1023 | } |
1024 | ||
1025 | void fio_server_send_gs(struct group_run_stats *rs) | |
1026 | { | |
1027 | struct group_run_stats gs; | |
1028 | ||
60efd14e JA |
1029 | dprint(FD_NET, "server sending group run stats\n"); |
1030 | ||
a64e88da | 1031 | convert_gs(&gs, rs); |
40c60516 | 1032 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1033 | } |
1034 | ||
d09a64a0 JA |
1035 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1036 | { | |
1037 | int i; | |
1038 | ||
1039 | for (i = 0; i < 2; i++) { | |
1040 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1041 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1042 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1043 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1044 | } | |
1045 | ||
1046 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1047 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1048 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1049 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1050 | } | |
1051 | ||
1052 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1053 | { | |
1054 | int i; | |
1055 | ||
1056 | strcpy((char *) dst->name, (char *) src->name); | |
1057 | ||
1058 | for (i = 0; i < 2; i++) { | |
1059 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1060 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1061 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1062 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1063 | } | |
1064 | ||
1065 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1066 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1067 | dst->msec = cpu_to_le64(src->msec); | |
1068 | } | |
1069 | ||
1070 | void fio_server_send_du(void) | |
1071 | { | |
1072 | struct disk_util *du; | |
1073 | struct flist_head *entry; | |
1074 | struct cmd_du_pdu pdu; | |
1075 | ||
1076 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1077 | ||
0766d92e JA |
1078 | memset(&pdu, 0, sizeof(pdu)); |
1079 | ||
d09a64a0 JA |
1080 | flist_for_each(entry, &disk_list) { |
1081 | du = flist_entry(entry, struct disk_util, list); | |
1082 | ||
1083 | convert_dus(&pdu.dus, &du->dus); | |
1084 | convert_agg(&pdu.agg, &du->agg); | |
1085 | ||
40c60516 | 1086 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1087 | } |
1088 | } | |
1089 | ||
53bd8dbc JA |
1090 | /* |
1091 | * Send a command with a separate PDU, not inlined in the command | |
1092 | */ | |
1093 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1094 | off_t size, uint64_t tag, uint32_t flags) | |
1095 | { | |
1096 | struct fio_net_cmd cmd; | |
1097 | struct iovec iov[2]; | |
1098 | ||
1099 | iov[0].iov_base = &cmd; | |
1100 | iov[0].iov_len = sizeof(cmd); | |
1101 | iov[1].iov_base = (void *) buf; | |
1102 | iov[1].iov_len = size; | |
1103 | ||
1104 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1105 | cmd.flags = __cpu_to_le32(flags); | |
1106 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1107 | ||
8c95307b | 1108 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1109 | } |
1110 | ||
1b42725f JA |
1111 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1112 | { | |
f5ed765a | 1113 | struct cmd_iolog_pdu pdu; |
1b42725f JA |
1114 | z_stream stream; |
1115 | void *out_pdu; | |
53bd8dbc | 1116 | int i, ret = 0; |
1b42725f | 1117 | |
2f122b13 | 1118 | pdu.thread_number = cpu_to_le32(td->thread_number); |
f5ed765a JA |
1119 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); |
1120 | pdu.log_type = cpu_to_le32(log->log_type); | |
1121 | strcpy((char *) pdu.name, name); | |
1b42725f JA |
1122 | |
1123 | for (i = 0; i < log->nr_samples; i++) { | |
f5ed765a | 1124 | struct io_sample *s = &log->log[i]; |
1b42725f | 1125 | |
f5ed765a JA |
1126 | s->time = cpu_to_le64(s->time); |
1127 | s->val = cpu_to_le64(s->val); | |
1128 | s->ddir = cpu_to_le32(s->ddir); | |
1129 | s->bs = cpu_to_le32(s->bs); | |
1b42725f JA |
1130 | } |
1131 | ||
1132 | /* | |
1133 | * Dirty - since the log is potentially huge, compress it into | |
1134 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1135 | * side defragment it. | |
1136 | */ | |
1137 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1138 | ||
1139 | stream.zalloc = Z_NULL; | |
1140 | stream.zfree = Z_NULL; | |
1141 | stream.opaque = Z_NULL; | |
1142 | ||
1143 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1144 | ret = 1; |
1145 | goto err; | |
1b42725f JA |
1146 | } |
1147 | ||
1148 | /* | |
f5ed765a | 1149 | * Send header first, it's not compressed. |
1b42725f | 1150 | */ |
53bd8dbc JA |
1151 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, |
1152 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1153 | if (ret) | |
1154 | goto err_zlib; | |
1b42725f | 1155 | |
f5ed765a JA |
1156 | stream.next_in = (void *) log->log; |
1157 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1158 | |
1159 | do { | |
53bd8dbc JA |
1160 | unsigned int this_len, flags = 0; |
1161 | int ret; | |
1b42725f JA |
1162 | |
1163 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1164 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1165 | ret = deflate(&stream, Z_FINISH); |
1166 | /* may be Z_OK, or Z_STREAM_END */ | |
1167 | if (ret < 0) | |
1168 | goto err_zlib; | |
1b42725f JA |
1169 | |
1170 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1171 | ||
1b42725f | 1172 | if (stream.avail_in) |
53bd8dbc | 1173 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1174 | |
53bd8dbc JA |
1175 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1176 | out_pdu, this_len, 0, flags); | |
1177 | if (ret) | |
1178 | goto err_zlib; | |
1b42725f JA |
1179 | } while (stream.avail_in); |
1180 | ||
53bd8dbc | 1181 | err_zlib: |
1b42725f | 1182 | deflateEnd(&stream); |
53bd8dbc JA |
1183 | err: |
1184 | free(out_pdu); | |
1185 | return ret; | |
1b42725f JA |
1186 | } |
1187 | ||
2f122b13 | 1188 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1189 | { |
1190 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1191 | |
731e30a2 | 1192 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1193 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1194 | pdu.groupid = cpu_to_le32(td->groupid); | |
1195 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1196 | |
40c60516 | 1197 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1198 | } |
1199 | ||
122c7725 JA |
1200 | void fio_server_send_start(struct thread_data *td) |
1201 | { | |
1202 | assert(server_fd != -1); | |
1203 | ||
1204 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1205 | } | |
1206 | ||
87aa8f19 | 1207 | static int fio_init_server_ip(void) |
81179eec | 1208 | { |
811826be JA |
1209 | struct sockaddr *addr; |
1210 | fio_socklen_t socklen; | |
87aa8f19 | 1211 | int sk, opt; |
81179eec | 1212 | |
811826be JA |
1213 | if (use_ipv6) |
1214 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1215 | else | |
1216 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1217 | ||
81179eec JA |
1218 | if (sk < 0) { |
1219 | log_err("fio: socket: %s\n", strerror(errno)); | |
1220 | return -1; | |
1221 | } | |
1222 | ||
1223 | opt = 1; | |
1224 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
1225 | log_err("fio: setsockopt: %s\n", strerror(errno)); | |
b94cba47 | 1226 | close(sk); |
81179eec JA |
1227 | return -1; |
1228 | } | |
1229 | #ifdef SO_REUSEPORT | |
6eb24791 | 1230 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1231 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1232 | close(sk); |
81179eec JA |
1233 | return -1; |
1234 | } | |
1235 | #endif | |
1236 | ||
811826be JA |
1237 | if (use_ipv6) { |
1238 | addr = (struct sockaddr *) &saddr_in6; | |
1239 | socklen = sizeof(saddr_in6); | |
1240 | saddr_in6.sin6_family = AF_INET6; | |
1241 | } else { | |
1242 | addr = (struct sockaddr *) &saddr_in; | |
1243 | socklen = sizeof(saddr_in); | |
1244 | saddr_in.sin_family = AF_INET; | |
1245 | } | |
81179eec | 1246 | |
811826be | 1247 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1248 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1249 | close(sk); |
81179eec JA |
1250 | return -1; |
1251 | } | |
1252 | ||
87aa8f19 JA |
1253 | return sk; |
1254 | } | |
1255 | ||
1256 | static int fio_init_server_sock(void) | |
1257 | { | |
1258 | struct sockaddr_un addr; | |
1259 | fio_socklen_t len; | |
1260 | mode_t mode; | |
1261 | int sk; | |
1262 | ||
1263 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1264 | if (sk < 0) { | |
1265 | log_err("fio: socket: %s\n", strerror(errno)); | |
1266 | return -1; | |
1267 | } | |
1268 | ||
1269 | mode = umask(000); | |
1270 | ||
1271 | memset(&addr, 0, sizeof(addr)); | |
1272 | addr.sun_family = AF_UNIX; | |
1273 | strcpy(addr.sun_path, bind_sock); | |
1274 | unlink(bind_sock); | |
1275 | ||
1276 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1277 | ||
1278 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1279 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1280 | close(sk); |
87aa8f19 JA |
1281 | return -1; |
1282 | } | |
1283 | ||
1284 | umask(mode); | |
1285 | return sk; | |
1286 | } | |
1287 | ||
1288 | static int fio_init_server_connection(void) | |
1289 | { | |
bebe6398 | 1290 | char bind_str[128]; |
87aa8f19 JA |
1291 | int sk; |
1292 | ||
1293 | dprint(FD_NET, "starting server\n"); | |
1294 | ||
1295 | if (!bind_sock) | |
1296 | sk = fio_init_server_ip(); | |
1297 | else | |
1298 | sk = fio_init_server_sock(); | |
1299 | ||
1300 | if (sk < 0) | |
1301 | return sk; | |
1302 | ||
811826be JA |
1303 | if (!bind_sock) { |
1304 | char *p, port[16]; | |
1305 | const void *src; | |
1306 | int af; | |
1307 | ||
1308 | if (use_ipv6) { | |
1309 | af = AF_INET6; | |
1310 | src = &saddr_in6.sin6_addr; | |
1311 | } else { | |
1312 | af = AF_INET; | |
1313 | src = &saddr_in.sin_addr; | |
1314 | } | |
1315 | ||
1316 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1317 | ||
1318 | sprintf(port, ",%u", fio_net_port); | |
1319 | if (p) | |
1320 | strcat(p, port); | |
1321 | else | |
1322 | strcpy(bind_str, port); | |
1323 | } else | |
bebe6398 JA |
1324 | strcpy(bind_str, bind_sock); |
1325 | ||
1326 | log_info("fio: server listening on %s\n", bind_str); | |
1327 | ||
89c1707c | 1328 | if (listen(sk, 0) < 0) { |
81179eec JA |
1329 | log_err("fio: listen: %s\n", strerror(errno)); |
1330 | return -1; | |
1331 | } | |
1332 | ||
87aa8f19 JA |
1333 | return sk; |
1334 | } | |
1335 | ||
3ec62ec4 JA |
1336 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1337 | struct in6_addr *inp6) | |
1338 | ||
1339 | { | |
1340 | int ret = 0; | |
1341 | ||
1342 | if (*ipv6) | |
1343 | ret = inet_pton(AF_INET6, host, inp6); | |
1344 | else | |
1345 | ret = inet_pton(AF_INET, host, inp); | |
1346 | ||
1347 | if (ret != 1) { | |
1348 | struct hostent *hent; | |
1349 | ||
1350 | hent = gethostbyname(host); | |
1351 | if (!hent) { | |
1352 | log_err("fio: failed to resolve <%s>\n", host); | |
1353 | return 0; | |
1354 | } | |
1355 | ||
1356 | if (*ipv6) { | |
1357 | if (hent->h_addrtype != AF_INET6) { | |
1358 | log_info("fio: falling back to IPv4\n"); | |
1359 | *ipv6 = 0; | |
1360 | } else | |
1361 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1362 | } | |
1363 | if (!*ipv6) { | |
1364 | if (hent->h_addrtype != AF_INET) { | |
1365 | log_err("fio: lookup type mismatch\n"); | |
1366 | return 0; | |
1367 | } | |
1368 | memcpy(inp, hent->h_addr_list[0], 4); | |
1369 | } | |
1370 | ret = 1; | |
1371 | } | |
1372 | ||
1373 | return !(ret == 1); | |
1374 | } | |
1375 | ||
660a2bfb JA |
1376 | /* |
1377 | * Parse a host/ip/port string. Reads from 'str'. | |
1378 | * | |
1379 | * Outputs: | |
1380 | * | |
1381 | * For IPv4: | |
1382 | * *ptr is the host, *port is the port, inp is the destination. | |
1383 | * For IPv6: | |
1384 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1385 | * For local domain sockets: | |
1386 | * *ptr is the filename, *is_sock is 1. | |
1387 | */ | |
bebe6398 | 1388 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1389 | int *port, struct in_addr *inp, |
1390 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1391 | { |
76867621 JA |
1392 | const char *host = str; |
1393 | char *portp; | |
3ec62ec4 | 1394 | int lport = 0; |
76867621 | 1395 | |
bebe6398 JA |
1396 | *ptr = NULL; |
1397 | *is_sock = 0; | |
6d2cf394 | 1398 | *port = fio_net_port; |
811826be | 1399 | *ipv6 = 0; |
bebe6398 JA |
1400 | |
1401 | if (!strncmp(str, "sock:", 5)) { | |
1402 | *ptr = strdup(str + 5); | |
1403 | *is_sock = 1; | |
76867621 JA |
1404 | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | /* | |
1409 | * Is it ip:<ip or host>:port | |
1410 | */ | |
1411 | if (!strncmp(host, "ip:", 3)) | |
1412 | host += 3; | |
1413 | else if (!strncmp(host, "ip4:", 4)) | |
1414 | host += 4; | |
1415 | else if (!strncmp(host, "ip6:", 4)) { | |
1416 | host += 4; | |
1417 | *ipv6 = 1; | |
1418 | } else if (host[0] == ':') { | |
1419 | /* String is :port */ | |
1420 | host++; | |
1421 | lport = atoi(host); | |
1422 | if (!lport || lport > 65535) { | |
1423 | log_err("fio: bad server port %u\n", port); | |
1424 | return 1; | |
1425 | } | |
1426 | /* no hostname given, we are done */ | |
1427 | *port = lport; | |
1428 | return 0; | |
1429 | } | |
1430 | ||
1431 | /* | |
1432 | * If no port seen yet, check if there's a last ':' at the end | |
1433 | */ | |
1434 | if (!lport) { | |
1435 | portp = strchr(host, ','); | |
1436 | if (portp) { | |
1437 | *portp = '\0'; | |
1438 | portp++; | |
1439 | lport = atoi(portp); | |
bebe6398 JA |
1440 | if (!lport || lport > 65535) { |
1441 | log_err("fio: bad server port %u\n", port); | |
1442 | return 1; | |
1443 | } | |
bebe6398 | 1444 | } |
76867621 | 1445 | } |
bebe6398 | 1446 | |
76867621 JA |
1447 | if (lport) |
1448 | *port = lport; | |
bebe6398 | 1449 | |
76867621 JA |
1450 | if (!strlen(host)) |
1451 | return 0; | |
bebe6398 | 1452 | |
76867621 | 1453 | *ptr = strdup(host); |
811826be | 1454 | |
3ec62ec4 JA |
1455 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1456 | free(*ptr); | |
1457 | *ptr = NULL; | |
1458 | return 1; | |
bebe6398 JA |
1459 | } |
1460 | ||
1461 | if (*port == 0) | |
1462 | *port = fio_net_port; | |
1463 | ||
1464 | return 0; | |
1465 | } | |
1466 | ||
87aa8f19 JA |
1467 | /* |
1468 | * Server arg should be one of: | |
1469 | * | |
1470 | * sock:/path/to/socket | |
1471 | * ip:1.2.3.4 | |
1472 | * 1.2.3.4 | |
1473 | * | |
1474 | * Where sock uses unix domain sockets, and ip binds the server to | |
1475 | * a specific interface. If no arguments are given to the server, it | |
1476 | * uses IP and binds to 0.0.0.0. | |
1477 | * | |
1478 | */ | |
1479 | static int fio_handle_server_arg(void) | |
1480 | { | |
6d2cf394 | 1481 | int port = fio_net_port; |
a7de0a11 | 1482 | int is_sock, ret = 0; |
bebe6398 | 1483 | |
87aa8f19 JA |
1484 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1485 | ||
1486 | if (!fio_server_arg) | |
a7de0a11 | 1487 | goto out; |
87aa8f19 | 1488 | |
4e5b8fb8 | 1489 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1490 | &port, &saddr_in.sin_addr, |
1491 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1492 | |
1493 | if (!is_sock && bind_sock) { | |
1494 | free(bind_sock); | |
1495 | bind_sock = NULL; | |
1496 | } | |
1497 | ||
a7de0a11 | 1498 | out: |
6d2cf394 JA |
1499 | fio_net_port = port; |
1500 | saddr_in.sin_port = htons(port); | |
811826be | 1501 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1502 | return ret; |
87aa8f19 JA |
1503 | } |
1504 | ||
1505 | static int fio_server(void) | |
1506 | { | |
1507 | int sk, ret; | |
1508 | ||
1509 | dprint(FD_NET, "starting server\n"); | |
1510 | ||
1511 | if (fio_handle_server_arg()) | |
1512 | return -1; | |
1513 | ||
1514 | sk = fio_init_server_connection(); | |
1515 | if (sk < 0) | |
1516 | return -1; | |
81179eec JA |
1517 | |
1518 | ret = accept_loop(sk); | |
87aa8f19 | 1519 | |
81179eec | 1520 | close(sk); |
87aa8f19 JA |
1521 | |
1522 | if (fio_server_arg) { | |
1523 | free(fio_server_arg); | |
1524 | fio_server_arg = NULL; | |
1525 | } | |
bebe6398 JA |
1526 | if (bind_sock) |
1527 | free(bind_sock); | |
87aa8f19 | 1528 | |
81179eec JA |
1529 | return ret; |
1530 | } | |
1531 | ||
7b821684 | 1532 | void fio_server_got_signal(int signal) |
9abea48b | 1533 | { |
7b821684 JA |
1534 | if (signal == SIGPIPE) |
1535 | server_fd = -1; | |
1536 | else { | |
1537 | log_info("\nfio: terminating on signal %d\n", signal); | |
1538 | exit_backend = 1; | |
1539 | } | |
9abea48b JA |
1540 | } |
1541 | ||
13755d94 JA |
1542 | static int check_existing_pidfile(const char *pidfile) |
1543 | { | |
1544 | struct stat sb; | |
1545 | char buf[16]; | |
1546 | pid_t pid; | |
1547 | FILE *f; | |
1548 | ||
1549 | if (stat(pidfile, &sb)) | |
1550 | return 0; | |
1551 | ||
1552 | f = fopen(pidfile, "r"); | |
1553 | if (!f) | |
1554 | return 0; | |
1555 | ||
bfc3b179 | 1556 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1557 | fclose(f); |
1558 | return 1; | |
1559 | } | |
1560 | fclose(f); | |
1561 | ||
1562 | pid = atoi(buf); | |
1563 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1564 | return errno != ESRCH; |
13755d94 JA |
1565 | |
1566 | return 1; | |
1567 | } | |
1568 | ||
1569 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1570 | { |
1571 | FILE *fpid; | |
1572 | ||
1573 | fpid = fopen(pidfile, "w"); | |
1574 | if (!fpid) { | |
1575 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1576 | return 1; |
402668f3 JA |
1577 | } |
1578 | ||
1579 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1580 | fclose(fpid); |
1581 | return 0; | |
402668f3 JA |
1582 | } |
1583 | ||
1584 | /* | |
1585 | * If pidfile is specified, background us. | |
1586 | */ | |
1587 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1588 | { |
1589 | pid_t pid; | |
402668f3 | 1590 | int ret; |
e46d8091 | 1591 | |
93bcfd20 | 1592 | #if defined(WIN32) |
905c78b9 | 1593 | WSADATA wsd; |
3c3ed070 | 1594 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1595 | #endif |
1596 | ||
402668f3 | 1597 | if (!pidfile) |
e46d8091 JA |
1598 | return fio_server(); |
1599 | ||
13755d94 JA |
1600 | if (check_existing_pidfile(pidfile)) { |
1601 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1602 | pidfile); | |
1603 | return -1; | |
1604 | } | |
1605 | ||
e46d8091 JA |
1606 | pid = fork(); |
1607 | if (pid < 0) { | |
13755d94 | 1608 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1609 | free(pidfile); |
c28e8e8c | 1610 | return -1; |
402668f3 | 1611 | } else if (pid) { |
13755d94 JA |
1612 | int ret = write_pid(pid, pidfile); |
1613 | ||
1614 | exit(ret); | |
402668f3 | 1615 | } |
e46d8091 JA |
1616 | |
1617 | setsid(); | |
13755d94 JA |
1618 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1619 | log_syslog = 1; | |
e46d8091 JA |
1620 | close(STDIN_FILENO); |
1621 | close(STDOUT_FILENO); | |
1622 | close(STDERR_FILENO); | |
1623 | f_out = NULL; | |
1624 | f_err = NULL; | |
402668f3 JA |
1625 | |
1626 | ret = fio_server(); | |
1627 | ||
1628 | closelog(); | |
1629 | unlink(pidfile); | |
1630 | free(pidfile); | |
1631 | return ret; | |
e46d8091 | 1632 | } |
87aa8f19 | 1633 | |
bebe6398 | 1634 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1635 | { |
1636 | fio_server_arg = strdup(arg); | |
1637 | } |