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> |
3989b143 | 19 | #ifdef CONFIG_ZLIB |
1b42725f | 20 | #include <zlib.h> |
3989b143 | 21 | #endif |
50d16976 JA |
22 | |
23 | #include "fio.h" | |
132159a5 | 24 | #include "server.h" |
fcee5ff6 | 25 | #include "crc/crc16.h" |
c7c6cb4c | 26 | #include "lib/ieee754.h" |
89cf1480 | 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; |
3989b143 JA |
38 | #ifdef CONFIG_ZLIB |
39 | static unsigned int has_zlib = 1; | |
40 | #else | |
41 | static unsigned int has_zlib = 0; | |
42 | #endif | |
43 | static unsigned int use_zlib; | |
37db14fe | 44 | |
122c7725 JA |
45 | struct fio_fork_item { |
46 | struct flist_head list; | |
47 | int exitval; | |
48 | int signal; | |
49 | int exited; | |
50 | pid_t pid; | |
51 | }; | |
52 | ||
53 | /* Created on fork on new connection */ | |
54 | static FLIST_HEAD(conn_list); | |
55 | ||
56 | /* Created on job fork from connection */ | |
57 | static FLIST_HEAD(job_list); | |
58 | ||
89c1707c JA |
59 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
60 | "", | |
61 | "QUIT", | |
62 | "EXIT", | |
63 | "JOB", | |
64 | "JOBLINE", | |
65 | "TEXT", | |
66 | "TS", | |
67 | "GS", | |
68 | "SEND_ETA", | |
69 | "ETA", | |
70 | "PROBE", | |
71 | "START", | |
d09a64a0 JA |
72 | "STOP", |
73 | "DISK_UTIL", | |
b9d2f30a | 74 | "SERVER_START", |
807f9971 | 75 | "ADD_JOB", |
b9d2f30a | 76 | "CMD_RUN" |
c70e63e5 | 77 | "CMD_IOLOG", |
89c1707c JA |
78 | }; |
79 | ||
80 | const char *fio_server_op(unsigned int op) | |
81 | { | |
82 | static char buf[32]; | |
83 | ||
84 | if (op < FIO_NET_CMD_NR) | |
85 | return fio_server_ops[op]; | |
86 | ||
87 | sprintf(buf, "UNKNOWN/%d", op); | |
88 | return buf; | |
89 | } | |
90 | ||
5235f626 | 91 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 92 | { |
5235f626 | 93 | ssize_t ret = 0; |
794d69ca | 94 | |
5235f626 JA |
95 | while (count--) { |
96 | ret += iov->iov_len; | |
97 | iov++; | |
98 | } | |
99 | ||
100 | return ret; | |
101 | } | |
132159a5 | 102 | |
5235f626 JA |
103 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
104 | { | |
105 | ssize_t total_len = iov_total_len(iov, count); | |
106 | ssize_t ret; | |
107 | ||
108 | do { | |
109 | ret = writev(sk, iov, count); | |
132159a5 | 110 | if (ret > 0) { |
5235f626 JA |
111 | total_len -= ret; |
112 | if (!total_len) | |
132159a5 | 113 | break; |
5235f626 JA |
114 | |
115 | while (ret) { | |
116 | if (ret >= iov->iov_len) { | |
117 | ret -= iov->iov_len; | |
118 | iov++; | |
119 | continue; | |
120 | } | |
121 | iov->iov_base += ret; | |
122 | iov->iov_len -= ret; | |
123 | ret = 0; | |
124 | } | |
132159a5 JA |
125 | } else if (!ret) |
126 | break; | |
127 | else if (errno == EAGAIN || errno == EINTR) | |
128 | continue; | |
7b821684 JA |
129 | else |
130 | break; | |
132159a5 JA |
131 | } while (!exit_backend); |
132 | ||
5235f626 | 133 | if (!total_len) |
132159a5 JA |
134 | return 0; |
135 | ||
8b4e61b2 JA |
136 | if (errno) |
137 | return -errno; | |
138 | ||
132159a5 JA |
139 | return 1; |
140 | } | |
141 | ||
5235f626 JA |
142 | int fio_send_data(int sk, const void *p, unsigned int len) |
143 | { | |
144 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
145 | ||
146 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
147 | ||
148 | return fio_sendv_data(sk, &iov, 1); | |
149 | } | |
150 | ||
132159a5 JA |
151 | int fio_recv_data(int sk, void *p, unsigned int len) |
152 | { | |
153 | do { | |
154 | int ret = recv(sk, p, len, MSG_WAITALL); | |
155 | ||
156 | if (ret > 0) { | |
157 | len -= ret; | |
158 | if (!len) | |
159 | break; | |
160 | p += ret; | |
161 | continue; | |
162 | } else if (!ret) | |
163 | break; | |
164 | else if (errno == EAGAIN || errno == EINTR) | |
165 | continue; | |
7b821684 JA |
166 | else |
167 | break; | |
132159a5 JA |
168 | } while (!exit_backend); |
169 | ||
170 | if (!len) | |
171 | return 0; | |
172 | ||
173 | return -1; | |
174 | } | |
175 | ||
176 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
177 | { | |
fcee5ff6 | 178 | uint16_t crc; |
132159a5 | 179 | |
fcee5ff6 JA |
180 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
181 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 182 | |
25dfa848 | 183 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 184 | if (crc != cmd->cmd_crc16) { |
132159a5 | 185 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 186 | cmd->cmd_crc16, crc); |
132159a5 JA |
187 | return 1; |
188 | } | |
189 | ||
190 | cmd->version = le16_to_cpu(cmd->version); | |
191 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
192 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 193 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
194 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
195 | ||
196 | switch (cmd->version) { | |
fa2ea806 | 197 | case FIO_SERVER_VER: |
132159a5 JA |
198 | break; |
199 | default: | |
200 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
201 | return 1; | |
202 | } | |
203 | ||
b9d2f30a | 204 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
205 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
206 | return 1; | |
207 | } | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
a64e88da JA |
212 | /* |
213 | * Read (and defragment, if necessary) incoming commands | |
214 | */ | |
e951bdc4 | 215 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 216 | { |
a64e88da JA |
217 | struct fio_net_cmd cmd, *cmdret = NULL; |
218 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 219 | uint16_t crc; |
a64e88da JA |
220 | int ret, first = 1; |
221 | void *pdu = NULL; | |
132159a5 | 222 | |
a64e88da JA |
223 | do { |
224 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
225 | if (ret) | |
226 | break; | |
132159a5 | 227 | |
a64e88da JA |
228 | /* We have a command, verify it and swap if need be */ |
229 | ret = verify_convert_cmd(&cmd); | |
230 | if (ret) | |
231 | break; | |
132159a5 | 232 | |
0b8f30a5 JA |
233 | if (first) { |
234 | /* if this is text, add room for \0 at the end */ | |
235 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
236 | assert(!cmdret); | |
237 | } else | |
a64e88da | 238 | cmd_size += cmd.pdu_len; |
132159a5 | 239 | |
a64e88da | 240 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 241 | |
a64e88da JA |
242 | if (first) |
243 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
244 | else if (cmdret->opcode != cmd.opcode) { |
245 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
246 | cmdret->opcode, cmd.opcode); | |
247 | ret = 1; | |
248 | break; | |
249 | } | |
a64e88da JA |
250 | |
251 | if (!cmd.pdu_len) | |
252 | break; | |
253 | ||
254 | /* There's payload, get it */ | |
255 | pdu = (void *) cmdret->payload + pdu_offset; | |
256 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
257 | if (ret) | |
258 | break; | |
259 | ||
260 | /* Verify payload crc */ | |
25dfa848 | 261 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
262 | if (crc != cmd.pdu_crc16) { |
263 | log_err("fio: server bad crc on payload "); | |
264 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
265 | ret = 1; | |
266 | break; | |
267 | } | |
268 | ||
269 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
270 | if (!first) |
271 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
272 | first = 0; |
273 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 274 | |
a64e88da JA |
275 | if (ret) { |
276 | free(cmdret); | |
277 | cmdret = NULL; | |
0b8f30a5 JA |
278 | } else if (cmdret) { |
279 | /* zero-terminate text input */ | |
084d1c6f JA |
280 | if (cmdret->pdu_len) { |
281 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
282 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
283 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 284 | |
3c3ed070 | 285 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 286 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
46bcd498 JA |
287 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
288 | char *buf = (char *) pdu->buf; | |
289 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 290 | |
46bcd498 | 291 | buf[len] = '\0'; |
084d1c6f | 292 | } |
0b8f30a5 | 293 | } |
084d1c6f | 294 | |
0b8f30a5 | 295 | /* frag flag is internal */ |
a64e88da | 296 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 297 | } |
a64e88da JA |
298 | |
299 | return cmdret; | |
132159a5 JA |
300 | } |
301 | ||
40c60516 JA |
302 | static void add_reply(uint64_t tag, struct flist_head *list) |
303 | { | |
a572bbfb | 304 | struct fio_net_cmd_reply *reply; |
40c60516 | 305 | |
a572bbfb | 306 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
307 | flist_add_tail(&reply->list, list); |
308 | } | |
309 | ||
310 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
311 | { | |
312 | struct fio_net_cmd_reply *reply; | |
313 | ||
314 | reply = calloc(1, sizeof(*reply)); | |
315 | INIT_FLIST_HEAD(&reply->list); | |
316 | gettimeofday(&reply->tv, NULL); | |
317 | reply->saved_tag = tag; | |
318 | reply->opcode = opcode; | |
319 | ||
320 | return (uintptr_t) reply; | |
321 | } | |
322 | ||
323 | static void free_reply(uint64_t tag) | |
324 | { | |
a572bbfb | 325 | struct fio_net_cmd_reply *reply; |
40c60516 | 326 | |
a572bbfb | 327 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
328 | free(reply); |
329 | } | |
330 | ||
53bd8dbc | 331 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
332 | { |
333 | uint32_t pdu_len; | |
334 | ||
25dfa848 | 335 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
336 | |
337 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
338 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
339 | } | |
340 | ||
341 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
342 | { | |
343 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
344 | } |
345 | ||
af9c9fb3 | 346 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 347 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 348 | { |
7f868316 JA |
349 | struct fio_net_cmd *cmd = NULL; |
350 | size_t this_len, cur_len = 0; | |
40c60516 | 351 | uint64_t tag; |
794d69ca JA |
352 | int ret; |
353 | ||
40c60516 JA |
354 | if (list) { |
355 | assert(tagptr); | |
356 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
357 | } else | |
358 | tag = tagptr ? *tagptr : 0; | |
359 | ||
794d69ca JA |
360 | do { |
361 | this_len = size; | |
b9d2f30a JA |
362 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
363 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 364 | |
7f868316 JA |
365 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
366 | if (cmd) | |
367 | free(cmd); | |
368 | ||
369 | cur_len = sizeof(*cmd) + this_len; | |
370 | cmd = malloc(cur_len); | |
371 | } | |
794d69ca | 372 | |
af9c9fb3 | 373 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
374 | |
375 | if (this_len < size) | |
ddcc0b69 | 376 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
377 | |
378 | fio_net_cmd_crc(cmd); | |
379 | ||
380 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
381 | size -= this_len; |
382 | buf += this_len; | |
383 | } while (!ret && size); | |
384 | ||
40c60516 JA |
385 | if (list) { |
386 | if (ret) | |
387 | free_reply(tag); | |
388 | else | |
389 | add_reply(tag, list); | |
390 | } | |
391 | ||
7f868316 JA |
392 | if (cmd) |
393 | free(cmd); | |
394 | ||
794d69ca JA |
395 | return ret; |
396 | } | |
397 | ||
89c1707c | 398 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 399 | { |
178cde9f | 400 | struct fio_net_cmd cmd; |
132159a5 | 401 | |
af9c9fb3 | 402 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
403 | fio_net_cmd_crc(&cmd); |
404 | ||
405 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
406 | } | |
407 | ||
89c1707c JA |
408 | /* |
409 | * If 'list' is non-NULL, then allocate and store the sent command for | |
410 | * later verification. | |
411 | */ | |
412 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
413 | struct flist_head *list) | |
414 | { | |
89c1707c JA |
415 | int ret; |
416 | ||
40c60516 JA |
417 | if (list) |
418 | tag = alloc_reply(tag, opcode); | |
89c1707c | 419 | |
40c60516 | 420 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 421 | if (ret) { |
40c60516 JA |
422 | if (list) |
423 | free_reply(tag); | |
424 | ||
89c1707c JA |
425 | return ret; |
426 | } | |
427 | ||
40c60516 JA |
428 | if (list) |
429 | add_reply(tag, list); | |
430 | ||
89c1707c JA |
431 | return 0; |
432 | } | |
433 | ||
122c7725 | 434 | int fio_net_send_quit(int sk) |
437377e1 | 435 | { |
46c48f1f | 436 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 437 | |
8c95307b | 438 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
439 | } |
440 | ||
f58bd2a4 JA |
441 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
442 | int signal) | |
132159a5 | 443 | { |
11e950bd | 444 | struct cmd_end_pdu epdu; |
f58bd2a4 | 445 | uint64_t tag = 0; |
122c7725 | 446 | |
f58bd2a4 JA |
447 | if (cmd) |
448 | tag = cmd->tag; | |
122c7725 JA |
449 | |
450 | epdu.error = __cpu_to_le32(error); | |
451 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 452 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
453 | } |
454 | ||
455 | int fio_net_send_stop(int sk, int error, int signal) | |
456 | { | |
457 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
458 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
459 | } |
460 | ||
461 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
462 | { | |
463 | struct fio_fork_item *ffi; | |
464 | ||
465 | ffi = malloc(sizeof(*ffi)); | |
466 | ffi->exitval = 0; | |
467 | ffi->signal = 0; | |
468 | ffi->exited = 0; | |
469 | ffi->pid = pid; | |
470 | flist_add_tail(&ffi->list, list); | |
471 | } | |
472 | ||
473 | static void fio_server_add_conn_pid(pid_t pid) | |
474 | { | |
475 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", pid); | |
476 | fio_server_add_fork_item(pid, &conn_list); | |
477 | } | |
478 | ||
479 | static void fio_server_add_job_pid(pid_t pid) | |
480 | { | |
481 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", pid); | |
482 | fio_server_add_fork_item(pid, &job_list); | |
483 | } | |
484 | ||
485 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
486 | { | |
487 | int ret, status; | |
488 | ||
489 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
490 | if (ret < 0) { | |
491 | if (errno == ECHILD) { | |
492 | log_err("fio: connection pid %u disappeared\n", ffi->pid); | |
493 | ffi->exited = 1; | |
494 | } else | |
495 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
496 | } else if (ret == ffi->pid) { | |
497 | if (WIFSIGNALED(status)) { | |
498 | ffi->signal = WTERMSIG(status); | |
499 | ffi->exited = 1; | |
500 | } | |
501 | if (WIFEXITED(status)) { | |
502 | if (WEXITSTATUS(status)) | |
503 | ffi->exitval = WEXITSTATUS(status); | |
504 | ffi->exited = 1; | |
505 | } | |
506 | } | |
507 | } | |
508 | ||
509 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
510 | { | |
511 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", ffi->pid, ffi->signal, ffi->exitval); | |
512 | ||
513 | /* | |
514 | * Fold STOP and QUIT... | |
515 | */ | |
516 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
517 | fio_net_send_quit(server_fd); | |
518 | flist_del(&ffi->list); | |
519 | free(ffi); | |
520 | } | |
521 | ||
54163255 | 522 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
523 | { |
524 | struct flist_head *entry, *tmp; | |
525 | struct fio_fork_item *ffi; | |
526 | ||
527 | flist_for_each_safe(entry, tmp, list) { | |
528 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
529 | ||
530 | fio_server_check_fork_item(ffi); | |
531 | ||
532 | if (ffi->exited) | |
533 | fio_server_fork_item_done(ffi); | |
534 | } | |
535 | } | |
536 | ||
537 | static void fio_server_check_jobs(void) | |
538 | { | |
54163255 | 539 | fio_server_check_fork_items(&job_list); |
122c7725 JA |
540 | } |
541 | ||
542 | static void fio_server_check_conns(void) | |
543 | { | |
54163255 | 544 | fio_server_check_fork_items(&conn_list); |
122c7725 JA |
545 | } |
546 | ||
547 | static int handle_run_cmd(struct fio_net_cmd *cmd) | |
548 | { | |
549 | pid_t pid; | |
a64e88da | 550 | int ret; |
132159a5 | 551 | |
122c7725 | 552 | set_genesis_time(); |
11e950bd | 553 | |
122c7725 JA |
554 | pid = fork(); |
555 | if (pid) { | |
556 | fio_server_add_job_pid(pid); | |
557 | return 0; | |
558 | } | |
11e950bd | 559 | |
122c7725 | 560 | ret = fio_backend(); |
2bb3f0a7 | 561 | free_threads_shm(); |
122c7725 | 562 | _exit(ret); |
81179eec JA |
563 | } |
564 | ||
b9d2f30a JA |
565 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
566 | { | |
46bcd498 JA |
567 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
568 | void *buf = pdu->buf; | |
b9d2f30a JA |
569 | struct cmd_start_pdu spdu; |
570 | ||
46bcd498 JA |
571 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
572 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
573 | ||
574 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 575 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
576 | return -1; |
577 | } | |
578 | ||
579 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 580 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 581 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
582 | return 0; |
583 | } | |
584 | ||
81179eec JA |
585 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
586 | { | |
fa2ea806 JA |
587 | void *pdu = cmd->payload; |
588 | struct cmd_single_line_pdu *cslp; | |
589 | struct cmd_line_pdu *clp; | |
590 | unsigned long offset; | |
b9d2f30a | 591 | struct cmd_start_pdu spdu; |
fa2ea806 | 592 | char **argv; |
b9d2f30a | 593 | int i; |
81179eec | 594 | |
fa2ea806 JA |
595 | clp = pdu; |
596 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 597 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
598 | argv = malloc(clp->lines * sizeof(char *)); |
599 | offset = sizeof(*clp); | |
81179eec | 600 | |
fa2ea806 | 601 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 602 | |
fa2ea806 JA |
603 | for (i = 0; i < clp->lines; i++) { |
604 | cslp = pdu + offset; | |
605 | argv[i] = (char *) cslp->text; | |
606 | ||
607 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
608 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
609 | } | |
81179eec | 610 | |
46bcd498 | 611 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 612 | fio_net_send_quit(server_fd); |
fa2ea806 | 613 | free(argv); |
81179eec | 614 | return -1; |
e6d1c668 | 615 | } |
81179eec | 616 | |
fa2ea806 JA |
617 | free(argv); |
618 | ||
b9d2f30a | 619 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 620 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 621 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 622 | return 0; |
132159a5 JA |
623 | } |
624 | ||
c28e8e8c JA |
625 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
626 | { | |
3989b143 JA |
627 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
628 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 629 | uint64_t tag = cmd->tag; |
c28e8e8c | 630 | |
89c1707c JA |
631 | dprint(FD_NET, "server: sending probe reply\n"); |
632 | ||
c28e8e8c JA |
633 | memset(&probe, 0, sizeof(probe)); |
634 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 635 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
636 | probe.bigendian = 1; |
637 | #endif | |
750db473 | 638 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 639 | |
cca84643 JA |
640 | probe.os = FIO_OS; |
641 | probe.arch = FIO_ARCH; | |
38fdef22 | 642 | probe.bpp = sizeof(void *); |
d31e26d0 | 643 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
644 | |
645 | /* | |
646 | * If the client supports compression and we do too, then enable it | |
647 | */ | |
648 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
649 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
650 | use_zlib = 1; | |
651 | } else { | |
652 | probe.flags = 0; | |
653 | use_zlib = 0; | |
654 | } | |
38fdef22 | 655 | |
40c60516 | 656 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
657 | } |
658 | ||
659 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
660 | { | |
661 | struct jobs_eta *je; | |
662 | size_t size; | |
40c60516 | 663 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
664 | int i; |
665 | ||
b814fb26 JA |
666 | if (!thread_number) |
667 | return 0; | |
668 | ||
669 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
670 | je = malloc(size); |
671 | memset(je, 0, size); | |
af9c9fb3 JA |
672 | |
673 | if (!calc_thread_status(je, 1)) { | |
674 | free(je); | |
675 | return 0; | |
676 | } | |
677 | ||
678 | dprint(FD_NET, "server sending status\n"); | |
679 | ||
680 | je->nr_running = cpu_to_le32(je->nr_running); | |
681 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
682 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
683 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 | 684 | |
298921d6 | 685 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
686 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
687 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
688 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
689 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
690 | je->rate[i] = cpu_to_le32(je->rate[i]); |
691 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
692 | } |
693 | ||
c1970b90 | 694 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 695 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 696 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 697 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 698 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 699 | |
40c60516 | 700 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
701 | free(je); |
702 | return 0; | |
c28e8e8c JA |
703 | } |
704 | ||
40c60516 JA |
705 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
706 | { | |
707 | uint64_t tag = __tag; | |
708 | uint32_t pdu_error; | |
709 | ||
710 | pdu_error = __cpu_to_le32(error); | |
711 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
712 | } | |
713 | ||
f58bd2a4 JA |
714 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
715 | { | |
716 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
717 | struct thread_data *td; | |
718 | uint32_t tnumber; | |
719 | ||
720 | tnumber = le32_to_cpu(pdu->thread_number); | |
721 | ||
722 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
723 | ||
30ffacbf | 724 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 725 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
726 | return 0; |
727 | } | |
728 | ||
30ffacbf | 729 | td = &threads[tnumber - 1]; |
f58bd2a4 | 730 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 731 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
732 | return 0; |
733 | } | |
734 | ||
132159a5 JA |
735 | static int handle_command(struct fio_net_cmd *cmd) |
736 | { | |
737 | int ret; | |
738 | ||
4b91ee8f JA |
739 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
740 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
741 | (unsigned long long) cmd->tag); | |
46c48f1f | 742 | |
132159a5 JA |
743 | switch (cmd->opcode) { |
744 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 745 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 746 | return -1; |
d7959186 | 747 | case FIO_NET_CMD_EXIT: |
132159a5 | 748 | exit_backend = 1; |
c28e8e8c | 749 | return -1; |
132159a5 | 750 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 751 | ret = handle_job_cmd(cmd); |
132159a5 | 752 | break; |
81179eec JA |
753 | case FIO_NET_CMD_JOBLINE: |
754 | ret = handle_jobline_cmd(cmd); | |
755 | break; | |
c28e8e8c JA |
756 | case FIO_NET_CMD_PROBE: |
757 | ret = handle_probe_cmd(cmd); | |
758 | break; | |
af9c9fb3 JA |
759 | case FIO_NET_CMD_SEND_ETA: |
760 | ret = handle_send_eta_cmd(cmd); | |
761 | break; | |
b9d2f30a JA |
762 | case FIO_NET_CMD_RUN: |
763 | ret = handle_run_cmd(cmd); | |
764 | break; | |
f58bd2a4 JA |
765 | case FIO_NET_CMD_UPDATE_JOB: |
766 | ret = handle_update_job_cmd(cmd); | |
767 | break; | |
132159a5 | 768 | default: |
3c3ed070 | 769 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
770 | ret = 1; |
771 | } | |
772 | ||
773 | return ret; | |
774 | } | |
775 | ||
122c7725 | 776 | static int handle_connection(int sk) |
132159a5 JA |
777 | { |
778 | struct fio_net_cmd *cmd = NULL; | |
779 | int ret = 0; | |
780 | ||
122c7725 JA |
781 | reset_fio_state(); |
782 | INIT_FLIST_HEAD(&job_list); | |
783 | server_fd = sk; | |
784 | ||
132159a5 JA |
785 | /* read forever */ |
786 | while (!exit_backend) { | |
e951bdc4 JA |
787 | struct pollfd pfd = { |
788 | .fd = sk, | |
789 | .events = POLLIN, | |
790 | }; | |
791 | ||
792 | ret = 0; | |
793 | do { | |
54163255 JA |
794 | int timeout = 1000; |
795 | ||
796 | if (!flist_empty(&job_list)) | |
797 | timeout = 100; | |
3c3ed070 | 798 | |
54163255 | 799 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
800 | if (ret < 0) { |
801 | if (errno == EINTR) | |
802 | break; | |
803 | log_err("fio: poll: %s\n", strerror(errno)); | |
804 | break; | |
19c65179 | 805 | } else if (!ret) { |
122c7725 | 806 | fio_server_check_jobs(); |
e951bdc4 | 807 | continue; |
19c65179 | 808 | } |
e951bdc4 JA |
809 | |
810 | if (pfd.revents & POLLIN) | |
811 | break; | |
812 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
813 | ret = 1; | |
814 | break; | |
815 | } | |
19c65179 | 816 | } while (!exit_backend); |
e951bdc4 | 817 | |
122c7725 JA |
818 | fio_server_check_jobs(); |
819 | ||
e951bdc4 JA |
820 | if (ret < 0) |
821 | break; | |
822 | ||
823 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 824 | if (!cmd) { |
c28e8e8c | 825 | ret = -1; |
132159a5 JA |
826 | break; |
827 | } | |
828 | ||
132159a5 JA |
829 | ret = handle_command(cmd); |
830 | if (ret) | |
831 | break; | |
832 | ||
833 | free(cmd); | |
c77a99e7 | 834 | cmd = NULL; |
132159a5 JA |
835 | } |
836 | ||
837 | if (cmd) | |
838 | free(cmd); | |
839 | ||
122c7725 JA |
840 | close(sk); |
841 | _exit(ret); | |
cc0df00a JA |
842 | } |
843 | ||
50d16976 JA |
844 | static int accept_loop(int listen_sk) |
845 | { | |
bb447a27 | 846 | struct sockaddr_in addr; |
67bf9823 | 847 | socklen_t len = sizeof(addr); |
009b1be4 | 848 | struct pollfd pfd; |
122c7725 | 849 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 850 | |
60efd14e JA |
851 | dprint(FD_NET, "server enter accept loop\n"); |
852 | ||
009b1be4 JA |
853 | flags = fcntl(listen_sk, F_GETFL); |
854 | flags |= O_NONBLOCK; | |
855 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 856 | |
122c7725 JA |
857 | while (!exit_backend) { |
858 | pid_t pid; | |
009b1be4 | 859 | |
122c7725 JA |
860 | pfd.fd = listen_sk; |
861 | pfd.events = POLLIN; | |
862 | do { | |
54163255 JA |
863 | int timeout = 1000; |
864 | ||
865 | if (!flist_empty(&conn_list)) | |
866 | timeout = 100; | |
867 | ||
868 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
869 | if (ret < 0) { |
870 | if (errno == EINTR) | |
871 | break; | |
872 | log_err("fio: poll: %s\n", strerror(errno)); | |
873 | break; | |
874 | } else if (!ret) { | |
875 | fio_server_check_conns(); | |
876 | continue; | |
877 | } | |
009b1be4 | 878 | |
122c7725 JA |
879 | if (pfd.revents & POLLIN) |
880 | break; | |
881 | } while (!exit_backend); | |
50d16976 | 882 | |
122c7725 | 883 | fio_server_check_conns(); |
46c48f1f | 884 | |
122c7725 JA |
885 | if (exit_backend || ret < 0) |
886 | break; | |
887 | ||
888 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
889 | if (sk < 0) { | |
890 | log_err("fio: accept: %s\n", strerror(errno)); | |
891 | return -1; | |
892 | } | |
37db14fe | 893 | |
122c7725 | 894 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 895 | |
122c7725 JA |
896 | pid = fork(); |
897 | if (pid) { | |
898 | close(sk); | |
899 | fio_server_add_conn_pid(pid); | |
900 | continue; | |
901 | } | |
5c341e9a | 902 | |
122c7725 JA |
903 | /* exits */ |
904 | handle_connection(sk); | |
905 | } | |
5c341e9a | 906 | |
132159a5 | 907 | return exitval; |
50d16976 JA |
908 | } |
909 | ||
084d1c6f | 910 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 911 | { |
084d1c6f JA |
912 | struct cmd_text_pdu *pdu; |
913 | unsigned int tlen; | |
914 | struct timeval tv; | |
915 | ||
916 | if (server_fd == -1) | |
917 | return log_local_buf(buf, len); | |
918 | ||
919 | tlen = sizeof(*pdu) + len; | |
920 | pdu = malloc(tlen); | |
921 | ||
922 | pdu->level = __cpu_to_le32(level); | |
923 | pdu->buf_len = __cpu_to_le32(len); | |
924 | ||
925 | gettimeofday(&tv, NULL); | |
926 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
927 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 928 | |
084d1c6f JA |
929 | memcpy(pdu->buf, buf, len); |
930 | ||
40c60516 | 931 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
932 | free(pdu); |
933 | return len; | |
142575e6 JA |
934 | } |
935 | ||
a64e88da JA |
936 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
937 | { | |
938 | dst->max_val = cpu_to_le64(src->max_val); | |
939 | dst->min_val = cpu_to_le64(src->min_val); | |
940 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
941 | |
942 | /* | |
943 | * Encode to IEEE 754 for network transfer | |
944 | */ | |
945 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
946 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
947 | } |
948 | ||
949 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
950 | { | |
951 | int i; | |
952 | ||
298921d6 | 953 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
954 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
955 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
956 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
957 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
958 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
959 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
960 | } | |
961 | ||
962 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 963 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 964 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 965 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
966 | } |
967 | ||
968 | /* | |
969 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
970 | * into a single payload. | |
971 | */ | |
972 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
973 | { | |
974 | struct cmd_ts_pdu p; | |
975 | int i, j; | |
976 | ||
60efd14e JA |
977 | dprint(FD_NET, "server sending end stats\n"); |
978 | ||
317b3c8b JA |
979 | memset(&p, 0, sizeof(p)); |
980 | ||
a64e88da JA |
981 | strcpy(p.ts.name, ts->name); |
982 | strcpy(p.ts.verror, ts->verror); | |
983 | strcpy(p.ts.description, ts->description); | |
984 | ||
2f122b13 JA |
985 | p.ts.error = cpu_to_le32(ts->error); |
986 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
987 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
988 | p.ts.pid = cpu_to_le32(ts->pid); | |
989 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 990 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 991 | |
298921d6 | 992 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
993 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
994 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
995 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
996 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
997 | } | |
998 | ||
999 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1000 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1001 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1002 | p.ts.minf = cpu_to_le64(ts->minf); | |
1003 | p.ts.majf = cpu_to_le64(ts->majf); | |
1004 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1005 | |
1006 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1007 | fio_fp64_t *src = &ts->percentile_list[i]; |
1008 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1009 | |
cfc03e46 | 1010 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1011 | } |
a64e88da JA |
1012 | |
1013 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1014 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1015 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1016 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1017 | } | |
1018 | ||
1019 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1020 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1021 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1022 | } | |
1023 | ||
298921d6 | 1024 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1025 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1026 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1027 | ||
78799deb | 1028 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1029 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1030 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1031 | } |
1032 | ||
93eee04a | 1033 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1034 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1035 | ||
298921d6 | 1036 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1037 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1038 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1039 | } | |
1040 | ||
1041 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1042 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1043 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1044 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1045 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1046 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da JA |
1047 | |
1048 | convert_gs(&p.rs, rs); | |
1049 | ||
40c60516 | 1050 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1051 | } |
1052 | ||
1053 | void fio_server_send_gs(struct group_run_stats *rs) | |
1054 | { | |
1055 | struct group_run_stats gs; | |
1056 | ||
60efd14e JA |
1057 | dprint(FD_NET, "server sending group run stats\n"); |
1058 | ||
a64e88da | 1059 | convert_gs(&gs, rs); |
40c60516 | 1060 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1061 | } |
1062 | ||
d09a64a0 JA |
1063 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1064 | { | |
1065 | int i; | |
1066 | ||
1067 | for (i = 0; i < 2; i++) { | |
1068 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1069 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1070 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1071 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1072 | } | |
1073 | ||
1074 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1075 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1076 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1077 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1078 | } | |
1079 | ||
1080 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1081 | { | |
1082 | int i; | |
1083 | ||
1084 | strcpy((char *) dst->name, (char *) src->name); | |
1085 | ||
1086 | for (i = 0; i < 2; i++) { | |
1087 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1088 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1089 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1090 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1091 | } | |
1092 | ||
1093 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1094 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1095 | dst->msec = cpu_to_le64(src->msec); | |
1096 | } | |
1097 | ||
1098 | void fio_server_send_du(void) | |
1099 | { | |
1100 | struct disk_util *du; | |
1101 | struct flist_head *entry; | |
1102 | struct cmd_du_pdu pdu; | |
1103 | ||
1104 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1105 | ||
0766d92e JA |
1106 | memset(&pdu, 0, sizeof(pdu)); |
1107 | ||
d09a64a0 JA |
1108 | flist_for_each(entry, &disk_list) { |
1109 | du = flist_entry(entry, struct disk_util, list); | |
1110 | ||
1111 | convert_dus(&pdu.dus, &du->dus); | |
1112 | convert_agg(&pdu.agg, &du->agg); | |
1113 | ||
40c60516 | 1114 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1115 | } |
1116 | } | |
1117 | ||
53bd8dbc JA |
1118 | /* |
1119 | * Send a command with a separate PDU, not inlined in the command | |
1120 | */ | |
1121 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1122 | off_t size, uint64_t tag, uint32_t flags) | |
1123 | { | |
1124 | struct fio_net_cmd cmd; | |
1125 | struct iovec iov[2]; | |
1126 | ||
1127 | iov[0].iov_base = &cmd; | |
1128 | iov[0].iov_len = sizeof(cmd); | |
1129 | iov[1].iov_base = (void *) buf; | |
1130 | iov[1].iov_len = size; | |
1131 | ||
1132 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1133 | cmd.flags = __cpu_to_le32(flags); | |
1134 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1135 | ||
8c95307b | 1136 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1137 | } |
1138 | ||
3989b143 | 1139 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1140 | { |
3989b143 JA |
1141 | int ret = 0; |
1142 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1143 | z_stream stream; |
1144 | void *out_pdu; | |
1b42725f JA |
1145 | |
1146 | /* | |
1147 | * Dirty - since the log is potentially huge, compress it into | |
1148 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1149 | * side defragment it. | |
1150 | */ | |
1151 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1152 | ||
1153 | stream.zalloc = Z_NULL; | |
1154 | stream.zfree = Z_NULL; | |
1155 | stream.opaque = Z_NULL; | |
1156 | ||
1157 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1158 | ret = 1; |
1159 | goto err; | |
1b42725f JA |
1160 | } |
1161 | ||
f5ed765a JA |
1162 | stream.next_in = (void *) log->log; |
1163 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1164 | |
1165 | do { | |
53bd8dbc JA |
1166 | unsigned int this_len, flags = 0; |
1167 | int ret; | |
1b42725f JA |
1168 | |
1169 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1170 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1171 | ret = deflate(&stream, Z_FINISH); |
1172 | /* may be Z_OK, or Z_STREAM_END */ | |
1173 | if (ret < 0) | |
1174 | goto err_zlib; | |
1b42725f JA |
1175 | |
1176 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1177 | ||
1b42725f | 1178 | if (stream.avail_in) |
53bd8dbc | 1179 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1180 | |
53bd8dbc JA |
1181 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1182 | out_pdu, this_len, 0, flags); | |
1183 | if (ret) | |
1184 | goto err_zlib; | |
1b42725f JA |
1185 | } while (stream.avail_in); |
1186 | ||
53bd8dbc | 1187 | err_zlib: |
1b42725f | 1188 | deflateEnd(&stream); |
53bd8dbc JA |
1189 | err: |
1190 | free(out_pdu); | |
3989b143 | 1191 | #endif |
53bd8dbc | 1192 | return ret; |
1b42725f JA |
1193 | } |
1194 | ||
3989b143 JA |
1195 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1196 | { | |
1197 | struct cmd_iolog_pdu pdu; | |
1198 | int i, ret = 0; | |
1199 | ||
1200 | pdu.thread_number = cpu_to_le32(td->thread_number); | |
1201 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); | |
1202 | pdu.log_type = cpu_to_le32(log->log_type); | |
1203 | pdu.compressed = cpu_to_le32(use_zlib); | |
1204 | strcpy((char *) pdu.name, name); | |
1205 | ||
1206 | for (i = 0; i < log->nr_samples; i++) { | |
1207 | struct io_sample *s = &log->log[i]; | |
1208 | ||
1209 | s->time = cpu_to_le64(s->time); | |
1210 | s->val = cpu_to_le64(s->val); | |
1211 | s->ddir = cpu_to_le32(s->ddir); | |
1212 | s->bs = cpu_to_le32(s->bs); | |
1213 | } | |
1214 | ||
1215 | /* | |
1216 | * Send header first, it's not compressed. | |
1217 | */ | |
1218 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1219 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1220 | if (ret) | |
1221 | return ret; | |
1222 | ||
1223 | /* | |
1224 | * Now send actual log, compress if we can, otherwise just plain | |
1225 | */ | |
1226 | if (use_zlib) | |
1227 | return fio_send_iolog_gz(&pdu, log); | |
1228 | ||
1229 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
1230 | log->nr_samples * sizeof(struct io_sample), 0, 0); | |
1231 | } | |
1232 | ||
2f122b13 | 1233 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1234 | { |
1235 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1236 | |
731e30a2 | 1237 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1238 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1239 | pdu.groupid = cpu_to_le32(td->groupid); | |
1240 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1241 | |
40c60516 | 1242 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1243 | } |
1244 | ||
122c7725 JA |
1245 | void fio_server_send_start(struct thread_data *td) |
1246 | { | |
1247 | assert(server_fd != -1); | |
1248 | ||
1249 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1250 | } | |
1251 | ||
87aa8f19 | 1252 | static int fio_init_server_ip(void) |
81179eec | 1253 | { |
811826be | 1254 | struct sockaddr *addr; |
67bf9823 | 1255 | socklen_t socklen; |
87aa8f19 | 1256 | int sk, opt; |
81179eec | 1257 | |
811826be JA |
1258 | if (use_ipv6) |
1259 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1260 | else | |
1261 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1262 | ||
81179eec JA |
1263 | if (sk < 0) { |
1264 | log_err("fio: socket: %s\n", strerror(errno)); | |
1265 | return -1; | |
1266 | } | |
1267 | ||
1268 | opt = 1; | |
1f81991e | 1269 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1270 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1271 | close(sk); |
81179eec JA |
1272 | return -1; |
1273 | } | |
1274 | #ifdef SO_REUSEPORT | |
6eb24791 | 1275 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1276 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1277 | close(sk); |
81179eec JA |
1278 | return -1; |
1279 | } | |
1280 | #endif | |
1281 | ||
811826be JA |
1282 | if (use_ipv6) { |
1283 | addr = (struct sockaddr *) &saddr_in6; | |
1284 | socklen = sizeof(saddr_in6); | |
1285 | saddr_in6.sin6_family = AF_INET6; | |
1286 | } else { | |
1287 | addr = (struct sockaddr *) &saddr_in; | |
1288 | socklen = sizeof(saddr_in); | |
1289 | saddr_in.sin_family = AF_INET; | |
1290 | } | |
81179eec | 1291 | |
811826be | 1292 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1293 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1294 | close(sk); |
81179eec JA |
1295 | return -1; |
1296 | } | |
1297 | ||
87aa8f19 JA |
1298 | return sk; |
1299 | } | |
1300 | ||
1301 | static int fio_init_server_sock(void) | |
1302 | { | |
1303 | struct sockaddr_un addr; | |
67bf9823 | 1304 | socklen_t len; |
87aa8f19 JA |
1305 | mode_t mode; |
1306 | int sk; | |
1307 | ||
1308 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1309 | if (sk < 0) { | |
1310 | log_err("fio: socket: %s\n", strerror(errno)); | |
1311 | return -1; | |
1312 | } | |
1313 | ||
1314 | mode = umask(000); | |
1315 | ||
1316 | memset(&addr, 0, sizeof(addr)); | |
1317 | addr.sun_family = AF_UNIX; | |
1318 | strcpy(addr.sun_path, bind_sock); | |
1319 | unlink(bind_sock); | |
1320 | ||
1321 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1322 | ||
1323 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1324 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1325 | close(sk); |
87aa8f19 JA |
1326 | return -1; |
1327 | } | |
1328 | ||
1329 | umask(mode); | |
1330 | return sk; | |
1331 | } | |
1332 | ||
1333 | static int fio_init_server_connection(void) | |
1334 | { | |
bebe6398 | 1335 | char bind_str[128]; |
87aa8f19 JA |
1336 | int sk; |
1337 | ||
1338 | dprint(FD_NET, "starting server\n"); | |
1339 | ||
1340 | if (!bind_sock) | |
1341 | sk = fio_init_server_ip(); | |
1342 | else | |
1343 | sk = fio_init_server_sock(); | |
1344 | ||
1345 | if (sk < 0) | |
1346 | return sk; | |
1347 | ||
811826be JA |
1348 | if (!bind_sock) { |
1349 | char *p, port[16]; | |
1350 | const void *src; | |
1351 | int af; | |
1352 | ||
1353 | if (use_ipv6) { | |
1354 | af = AF_INET6; | |
1355 | src = &saddr_in6.sin6_addr; | |
1356 | } else { | |
1357 | af = AF_INET; | |
1358 | src = &saddr_in.sin_addr; | |
1359 | } | |
1360 | ||
1361 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1362 | ||
1363 | sprintf(port, ",%u", fio_net_port); | |
1364 | if (p) | |
1365 | strcat(p, port); | |
1366 | else | |
1367 | strcpy(bind_str, port); | |
1368 | } else | |
bebe6398 JA |
1369 | strcpy(bind_str, bind_sock); |
1370 | ||
1371 | log_info("fio: server listening on %s\n", bind_str); | |
1372 | ||
89c1707c | 1373 | if (listen(sk, 0) < 0) { |
81179eec JA |
1374 | log_err("fio: listen: %s\n", strerror(errno)); |
1375 | return -1; | |
1376 | } | |
1377 | ||
87aa8f19 JA |
1378 | return sk; |
1379 | } | |
1380 | ||
3ec62ec4 JA |
1381 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1382 | struct in6_addr *inp6) | |
1383 | ||
1384 | { | |
1385 | int ret = 0; | |
1386 | ||
1387 | if (*ipv6) | |
1388 | ret = inet_pton(AF_INET6, host, inp6); | |
1389 | else | |
1390 | ret = inet_pton(AF_INET, host, inp); | |
1391 | ||
1392 | if (ret != 1) { | |
1393 | struct hostent *hent; | |
1394 | ||
1395 | hent = gethostbyname(host); | |
1396 | if (!hent) { | |
1397 | log_err("fio: failed to resolve <%s>\n", host); | |
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | if (*ipv6) { | |
1402 | if (hent->h_addrtype != AF_INET6) { | |
1403 | log_info("fio: falling back to IPv4\n"); | |
1404 | *ipv6 = 0; | |
1405 | } else | |
1406 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1407 | } | |
1408 | if (!*ipv6) { | |
1409 | if (hent->h_addrtype != AF_INET) { | |
1410 | log_err("fio: lookup type mismatch\n"); | |
1411 | return 0; | |
1412 | } | |
1413 | memcpy(inp, hent->h_addr_list[0], 4); | |
1414 | } | |
1415 | ret = 1; | |
1416 | } | |
1417 | ||
1418 | return !(ret == 1); | |
1419 | } | |
1420 | ||
660a2bfb JA |
1421 | /* |
1422 | * Parse a host/ip/port string. Reads from 'str'. | |
1423 | * | |
1424 | * Outputs: | |
1425 | * | |
1426 | * For IPv4: | |
1427 | * *ptr is the host, *port is the port, inp is the destination. | |
1428 | * For IPv6: | |
1429 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1430 | * For local domain sockets: | |
1431 | * *ptr is the filename, *is_sock is 1. | |
1432 | */ | |
bebe6398 | 1433 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1434 | int *port, struct in_addr *inp, |
1435 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1436 | { |
76867621 JA |
1437 | const char *host = str; |
1438 | char *portp; | |
3ec62ec4 | 1439 | int lport = 0; |
76867621 | 1440 | |
bebe6398 JA |
1441 | *ptr = NULL; |
1442 | *is_sock = 0; | |
6d2cf394 | 1443 | *port = fio_net_port; |
811826be | 1444 | *ipv6 = 0; |
bebe6398 JA |
1445 | |
1446 | if (!strncmp(str, "sock:", 5)) { | |
1447 | *ptr = strdup(str + 5); | |
1448 | *is_sock = 1; | |
76867621 JA |
1449 | |
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | /* | |
1454 | * Is it ip:<ip or host>:port | |
1455 | */ | |
1456 | if (!strncmp(host, "ip:", 3)) | |
1457 | host += 3; | |
1458 | else if (!strncmp(host, "ip4:", 4)) | |
1459 | host += 4; | |
1460 | else if (!strncmp(host, "ip6:", 4)) { | |
1461 | host += 4; | |
1462 | *ipv6 = 1; | |
1463 | } else if (host[0] == ':') { | |
1464 | /* String is :port */ | |
1465 | host++; | |
1466 | lport = atoi(host); | |
1467 | if (!lport || lport > 65535) { | |
1468 | log_err("fio: bad server port %u\n", port); | |
1469 | return 1; | |
1470 | } | |
1471 | /* no hostname given, we are done */ | |
1472 | *port = lport; | |
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | /* | |
1477 | * If no port seen yet, check if there's a last ':' at the end | |
1478 | */ | |
1479 | if (!lport) { | |
1480 | portp = strchr(host, ','); | |
1481 | if (portp) { | |
1482 | *portp = '\0'; | |
1483 | portp++; | |
1484 | lport = atoi(portp); | |
bebe6398 JA |
1485 | if (!lport || lport > 65535) { |
1486 | log_err("fio: bad server port %u\n", port); | |
1487 | return 1; | |
1488 | } | |
bebe6398 | 1489 | } |
76867621 | 1490 | } |
bebe6398 | 1491 | |
76867621 JA |
1492 | if (lport) |
1493 | *port = lport; | |
bebe6398 | 1494 | |
76867621 JA |
1495 | if (!strlen(host)) |
1496 | return 0; | |
bebe6398 | 1497 | |
76867621 | 1498 | *ptr = strdup(host); |
811826be | 1499 | |
3ec62ec4 JA |
1500 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1501 | free(*ptr); | |
1502 | *ptr = NULL; | |
1503 | return 1; | |
bebe6398 JA |
1504 | } |
1505 | ||
1506 | if (*port == 0) | |
1507 | *port = fio_net_port; | |
1508 | ||
1509 | return 0; | |
1510 | } | |
1511 | ||
87aa8f19 JA |
1512 | /* |
1513 | * Server arg should be one of: | |
1514 | * | |
1515 | * sock:/path/to/socket | |
1516 | * ip:1.2.3.4 | |
1517 | * 1.2.3.4 | |
1518 | * | |
1519 | * Where sock uses unix domain sockets, and ip binds the server to | |
1520 | * a specific interface. If no arguments are given to the server, it | |
1521 | * uses IP and binds to 0.0.0.0. | |
1522 | * | |
1523 | */ | |
1524 | static int fio_handle_server_arg(void) | |
1525 | { | |
6d2cf394 | 1526 | int port = fio_net_port; |
a7de0a11 | 1527 | int is_sock, ret = 0; |
bebe6398 | 1528 | |
87aa8f19 JA |
1529 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1530 | ||
1531 | if (!fio_server_arg) | |
a7de0a11 | 1532 | goto out; |
87aa8f19 | 1533 | |
4e5b8fb8 | 1534 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1535 | &port, &saddr_in.sin_addr, |
1536 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1537 | |
1538 | if (!is_sock && bind_sock) { | |
1539 | free(bind_sock); | |
1540 | bind_sock = NULL; | |
1541 | } | |
1542 | ||
a7de0a11 | 1543 | out: |
6d2cf394 JA |
1544 | fio_net_port = port; |
1545 | saddr_in.sin_port = htons(port); | |
811826be | 1546 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1547 | return ret; |
87aa8f19 JA |
1548 | } |
1549 | ||
1550 | static int fio_server(void) | |
1551 | { | |
1552 | int sk, ret; | |
1553 | ||
1554 | dprint(FD_NET, "starting server\n"); | |
1555 | ||
1556 | if (fio_handle_server_arg()) | |
1557 | return -1; | |
1558 | ||
1559 | sk = fio_init_server_connection(); | |
1560 | if (sk < 0) | |
1561 | return -1; | |
81179eec JA |
1562 | |
1563 | ret = accept_loop(sk); | |
87aa8f19 | 1564 | |
81179eec | 1565 | close(sk); |
87aa8f19 JA |
1566 | |
1567 | if (fio_server_arg) { | |
1568 | free(fio_server_arg); | |
1569 | fio_server_arg = NULL; | |
1570 | } | |
bebe6398 JA |
1571 | if (bind_sock) |
1572 | free(bind_sock); | |
87aa8f19 | 1573 | |
81179eec JA |
1574 | return ret; |
1575 | } | |
1576 | ||
7b821684 | 1577 | void fio_server_got_signal(int signal) |
9abea48b | 1578 | { |
7b821684 JA |
1579 | if (signal == SIGPIPE) |
1580 | server_fd = -1; | |
1581 | else { | |
1582 | log_info("\nfio: terminating on signal %d\n", signal); | |
1583 | exit_backend = 1; | |
1584 | } | |
9abea48b JA |
1585 | } |
1586 | ||
13755d94 JA |
1587 | static int check_existing_pidfile(const char *pidfile) |
1588 | { | |
1589 | struct stat sb; | |
1590 | char buf[16]; | |
1591 | pid_t pid; | |
1592 | FILE *f; | |
1593 | ||
1594 | if (stat(pidfile, &sb)) | |
1595 | return 0; | |
1596 | ||
1597 | f = fopen(pidfile, "r"); | |
1598 | if (!f) | |
1599 | return 0; | |
1600 | ||
bfc3b179 | 1601 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1602 | fclose(f); |
1603 | return 1; | |
1604 | } | |
1605 | fclose(f); | |
1606 | ||
1607 | pid = atoi(buf); | |
1608 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1609 | return errno != ESRCH; |
13755d94 JA |
1610 | |
1611 | return 1; | |
1612 | } | |
1613 | ||
1614 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1615 | { |
1616 | FILE *fpid; | |
1617 | ||
1618 | fpid = fopen(pidfile, "w"); | |
1619 | if (!fpid) { | |
1620 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1621 | return 1; |
402668f3 JA |
1622 | } |
1623 | ||
1624 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1625 | fclose(fpid); |
1626 | return 0; | |
402668f3 JA |
1627 | } |
1628 | ||
1629 | /* | |
1630 | * If pidfile is specified, background us. | |
1631 | */ | |
1632 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1633 | { |
1634 | pid_t pid; | |
402668f3 | 1635 | int ret; |
e46d8091 | 1636 | |
93bcfd20 | 1637 | #if defined(WIN32) |
905c78b9 | 1638 | WSADATA wsd; |
3c3ed070 | 1639 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1640 | #endif |
1641 | ||
402668f3 | 1642 | if (!pidfile) |
e46d8091 JA |
1643 | return fio_server(); |
1644 | ||
13755d94 JA |
1645 | if (check_existing_pidfile(pidfile)) { |
1646 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1647 | pidfile); | |
1648 | return -1; | |
1649 | } | |
1650 | ||
e46d8091 JA |
1651 | pid = fork(); |
1652 | if (pid < 0) { | |
13755d94 | 1653 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1654 | free(pidfile); |
c28e8e8c | 1655 | return -1; |
402668f3 | 1656 | } else if (pid) { |
13755d94 JA |
1657 | int ret = write_pid(pid, pidfile); |
1658 | ||
1659 | exit(ret); | |
402668f3 | 1660 | } |
e46d8091 JA |
1661 | |
1662 | setsid(); | |
13755d94 JA |
1663 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1664 | log_syslog = 1; | |
e46d8091 JA |
1665 | close(STDIN_FILENO); |
1666 | close(STDOUT_FILENO); | |
1667 | close(STDERR_FILENO); | |
1668 | f_out = NULL; | |
1669 | f_err = NULL; | |
402668f3 JA |
1670 | |
1671 | ret = fio_server(); | |
1672 | ||
1673 | closelog(); | |
1674 | unlink(pidfile); | |
1675 | free(pidfile); | |
1676 | return ret; | |
e46d8091 | 1677 | } |
87aa8f19 | 1678 | |
bebe6398 | 1679 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1680 | { |
1681 | fio_server_arg = strdup(arg); | |
1682 | } |