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> | |
1f51bba9 | 14 | #include <sys/uio.h> |
50d16976 JA |
15 | #include <netinet/in.h> |
16 | #include <arpa/inet.h> | |
17 | #include <netdb.h> | |
e46d8091 | 18 | #include <syslog.h> |
9e22ecb0 | 19 | #include <signal.h> |
3989b143 | 20 | #ifdef CONFIG_ZLIB |
1b42725f | 21 | #include <zlib.h> |
3989b143 | 22 | #endif |
50d16976 JA |
23 | |
24 | #include "fio.h" | |
132159a5 | 25 | #include "server.h" |
fcee5ff6 | 26 | #include "crc/crc16.h" |
c7c6cb4c | 27 | #include "lib/ieee754.h" |
89cf1480 | 28 | |
5adc2447 | 29 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 30 | |
009b1be4 JA |
31 | int exit_backend = 0; |
32 | ||
46c48f1f | 33 | static int server_fd = -1; |
87aa8f19 JA |
34 | static char *fio_server_arg; |
35 | static char *bind_sock; | |
36 | static struct sockaddr_in saddr_in; | |
811826be | 37 | static struct sockaddr_in6 saddr_in6; |
811826be | 38 | static int use_ipv6; |
3989b143 JA |
39 | #ifdef CONFIG_ZLIB |
40 | static unsigned int has_zlib = 1; | |
41 | #else | |
42 | static unsigned int has_zlib = 0; | |
43 | #endif | |
44 | static unsigned int use_zlib; | |
37db14fe | 45 | |
122c7725 JA |
46 | struct fio_fork_item { |
47 | struct flist_head list; | |
48 | int exitval; | |
49 | int signal; | |
50 | int exited; | |
51 | pid_t pid; | |
52 | }; | |
53 | ||
54 | /* Created on fork on new connection */ | |
55 | static FLIST_HEAD(conn_list); | |
56 | ||
57 | /* Created on job fork from connection */ | |
58 | static FLIST_HEAD(job_list); | |
59 | ||
89c1707c JA |
60 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
61 | "", | |
62 | "QUIT", | |
63 | "EXIT", | |
64 | "JOB", | |
65 | "JOBLINE", | |
66 | "TEXT", | |
67 | "TS", | |
68 | "GS", | |
69 | "SEND_ETA", | |
70 | "ETA", | |
71 | "PROBE", | |
72 | "START", | |
d09a64a0 JA |
73 | "STOP", |
74 | "DISK_UTIL", | |
b9d2f30a | 75 | "SERVER_START", |
807f9971 | 76 | "ADD_JOB", |
b9d2f30a | 77 | "CMD_RUN" |
c70e63e5 | 78 | "CMD_IOLOG", |
89c1707c JA |
79 | }; |
80 | ||
81 | const char *fio_server_op(unsigned int op) | |
82 | { | |
83 | static char buf[32]; | |
84 | ||
85 | if (op < FIO_NET_CMD_NR) | |
86 | return fio_server_ops[op]; | |
87 | ||
88 | sprintf(buf, "UNKNOWN/%d", op); | |
89 | return buf; | |
90 | } | |
91 | ||
5235f626 | 92 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 93 | { |
5235f626 | 94 | ssize_t ret = 0; |
794d69ca | 95 | |
5235f626 JA |
96 | while (count--) { |
97 | ret += iov->iov_len; | |
98 | iov++; | |
99 | } | |
100 | ||
101 | return ret; | |
102 | } | |
132159a5 | 103 | |
5235f626 JA |
104 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
105 | { | |
106 | ssize_t total_len = iov_total_len(iov, count); | |
107 | ssize_t ret; | |
108 | ||
109 | do { | |
110 | ret = writev(sk, iov, count); | |
132159a5 | 111 | if (ret > 0) { |
5235f626 JA |
112 | total_len -= ret; |
113 | if (!total_len) | |
132159a5 | 114 | break; |
5235f626 JA |
115 | |
116 | while (ret) { | |
117 | if (ret >= iov->iov_len) { | |
118 | ret -= iov->iov_len; | |
119 | iov++; | |
120 | continue; | |
121 | } | |
122 | iov->iov_base += ret; | |
123 | iov->iov_len -= ret; | |
124 | ret = 0; | |
125 | } | |
132159a5 JA |
126 | } else if (!ret) |
127 | break; | |
128 | else if (errno == EAGAIN || errno == EINTR) | |
129 | continue; | |
7b821684 JA |
130 | else |
131 | break; | |
132159a5 JA |
132 | } while (!exit_backend); |
133 | ||
5235f626 | 134 | if (!total_len) |
132159a5 JA |
135 | return 0; |
136 | ||
8b4e61b2 JA |
137 | if (errno) |
138 | return -errno; | |
139 | ||
132159a5 JA |
140 | return 1; |
141 | } | |
142 | ||
5235f626 JA |
143 | int fio_send_data(int sk, const void *p, unsigned int len) |
144 | { | |
145 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
146 | ||
147 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
148 | ||
149 | return fio_sendv_data(sk, &iov, 1); | |
150 | } | |
151 | ||
132159a5 JA |
152 | int fio_recv_data(int sk, void *p, unsigned int len) |
153 | { | |
154 | do { | |
155 | int ret = recv(sk, p, len, MSG_WAITALL); | |
156 | ||
157 | if (ret > 0) { | |
158 | len -= ret; | |
159 | if (!len) | |
160 | break; | |
161 | p += ret; | |
162 | continue; | |
163 | } else if (!ret) | |
164 | break; | |
165 | else if (errno == EAGAIN || errno == EINTR) | |
166 | continue; | |
7b821684 JA |
167 | else |
168 | break; | |
132159a5 JA |
169 | } while (!exit_backend); |
170 | ||
171 | if (!len) | |
172 | return 0; | |
173 | ||
174 | return -1; | |
175 | } | |
176 | ||
177 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
178 | { | |
fcee5ff6 | 179 | uint16_t crc; |
132159a5 | 180 | |
fcee5ff6 JA |
181 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
182 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 183 | |
25dfa848 | 184 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 185 | if (crc != cmd->cmd_crc16) { |
132159a5 | 186 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 187 | cmd->cmd_crc16, crc); |
132159a5 JA |
188 | return 1; |
189 | } | |
190 | ||
191 | cmd->version = le16_to_cpu(cmd->version); | |
192 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
193 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 194 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
195 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
196 | ||
197 | switch (cmd->version) { | |
fa2ea806 | 198 | case FIO_SERVER_VER: |
132159a5 JA |
199 | break; |
200 | default: | |
201 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
202 | return 1; | |
203 | } | |
204 | ||
b9d2f30a | 205 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
206 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
207 | return 1; | |
208 | } | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
a64e88da JA |
213 | /* |
214 | * Read (and defragment, if necessary) incoming commands | |
215 | */ | |
e951bdc4 | 216 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 217 | { |
a64e88da JA |
218 | struct fio_net_cmd cmd, *cmdret = NULL; |
219 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 220 | uint16_t crc; |
a64e88da JA |
221 | int ret, first = 1; |
222 | void *pdu = NULL; | |
132159a5 | 223 | |
a64e88da JA |
224 | do { |
225 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
226 | if (ret) | |
227 | break; | |
132159a5 | 228 | |
a64e88da JA |
229 | /* We have a command, verify it and swap if need be */ |
230 | ret = verify_convert_cmd(&cmd); | |
231 | if (ret) | |
232 | break; | |
132159a5 | 233 | |
0b8f30a5 JA |
234 | if (first) { |
235 | /* if this is text, add room for \0 at the end */ | |
236 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
237 | assert(!cmdret); | |
238 | } else | |
a64e88da | 239 | cmd_size += cmd.pdu_len; |
132159a5 | 240 | |
a64e88da | 241 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 242 | |
a64e88da JA |
243 | if (first) |
244 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
245 | else if (cmdret->opcode != cmd.opcode) { |
246 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
247 | cmdret->opcode, cmd.opcode); | |
248 | ret = 1; | |
249 | break; | |
250 | } | |
a64e88da JA |
251 | |
252 | if (!cmd.pdu_len) | |
253 | break; | |
254 | ||
255 | /* There's payload, get it */ | |
256 | pdu = (void *) cmdret->payload + pdu_offset; | |
257 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
258 | if (ret) | |
259 | break; | |
260 | ||
261 | /* Verify payload crc */ | |
25dfa848 | 262 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
263 | if (crc != cmd.pdu_crc16) { |
264 | log_err("fio: server bad crc on payload "); | |
265 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
266 | ret = 1; | |
267 | break; | |
268 | } | |
269 | ||
270 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
271 | if (!first) |
272 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
273 | first = 0; |
274 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 275 | |
a64e88da JA |
276 | if (ret) { |
277 | free(cmdret); | |
278 | cmdret = NULL; | |
0b8f30a5 JA |
279 | } else if (cmdret) { |
280 | /* zero-terminate text input */ | |
084d1c6f JA |
281 | if (cmdret->pdu_len) { |
282 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
283 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
284 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 285 | |
3c3ed070 | 286 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 287 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
46bcd498 JA |
288 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
289 | char *buf = (char *) pdu->buf; | |
290 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 291 | |
46bcd498 | 292 | buf[len] = '\0'; |
084d1c6f | 293 | } |
0b8f30a5 | 294 | } |
084d1c6f | 295 | |
0b8f30a5 | 296 | /* frag flag is internal */ |
a64e88da | 297 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 298 | } |
a64e88da JA |
299 | |
300 | return cmdret; | |
132159a5 JA |
301 | } |
302 | ||
40c60516 JA |
303 | static void add_reply(uint64_t tag, struct flist_head *list) |
304 | { | |
a572bbfb | 305 | struct fio_net_cmd_reply *reply; |
40c60516 | 306 | |
a572bbfb | 307 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
308 | flist_add_tail(&reply->list, list); |
309 | } | |
310 | ||
311 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
312 | { | |
313 | struct fio_net_cmd_reply *reply; | |
314 | ||
315 | reply = calloc(1, sizeof(*reply)); | |
316 | INIT_FLIST_HEAD(&reply->list); | |
317 | gettimeofday(&reply->tv, NULL); | |
318 | reply->saved_tag = tag; | |
319 | reply->opcode = opcode; | |
320 | ||
321 | return (uintptr_t) reply; | |
322 | } | |
323 | ||
324 | static void free_reply(uint64_t tag) | |
325 | { | |
a572bbfb | 326 | struct fio_net_cmd_reply *reply; |
40c60516 | 327 | |
a572bbfb | 328 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
329 | free(reply); |
330 | } | |
331 | ||
53bd8dbc | 332 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
333 | { |
334 | uint32_t pdu_len; | |
335 | ||
25dfa848 | 336 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
337 | |
338 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
339 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
340 | } | |
341 | ||
342 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
343 | { | |
344 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
345 | } |
346 | ||
af9c9fb3 | 347 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 348 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 349 | { |
7f868316 JA |
350 | struct fio_net_cmd *cmd = NULL; |
351 | size_t this_len, cur_len = 0; | |
40c60516 | 352 | uint64_t tag; |
794d69ca JA |
353 | int ret; |
354 | ||
40c60516 JA |
355 | if (list) { |
356 | assert(tagptr); | |
357 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
358 | } else | |
359 | tag = tagptr ? *tagptr : 0; | |
360 | ||
794d69ca JA |
361 | do { |
362 | this_len = size; | |
b9d2f30a JA |
363 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
364 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 365 | |
7f868316 JA |
366 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
367 | if (cmd) | |
368 | free(cmd); | |
369 | ||
370 | cur_len = sizeof(*cmd) + this_len; | |
371 | cmd = malloc(cur_len); | |
372 | } | |
794d69ca | 373 | |
af9c9fb3 | 374 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
375 | |
376 | if (this_len < size) | |
ddcc0b69 | 377 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
378 | |
379 | fio_net_cmd_crc(cmd); | |
380 | ||
381 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
382 | size -= this_len; |
383 | buf += this_len; | |
384 | } while (!ret && size); | |
385 | ||
40c60516 JA |
386 | if (list) { |
387 | if (ret) | |
388 | free_reply(tag); | |
389 | else | |
390 | add_reply(tag, list); | |
391 | } | |
392 | ||
7f868316 JA |
393 | if (cmd) |
394 | free(cmd); | |
395 | ||
794d69ca JA |
396 | return ret; |
397 | } | |
398 | ||
89c1707c | 399 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 400 | { |
178cde9f | 401 | struct fio_net_cmd cmd; |
132159a5 | 402 | |
af9c9fb3 | 403 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
404 | fio_net_cmd_crc(&cmd); |
405 | ||
406 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
407 | } | |
408 | ||
89c1707c JA |
409 | /* |
410 | * If 'list' is non-NULL, then allocate and store the sent command for | |
411 | * later verification. | |
412 | */ | |
413 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
414 | struct flist_head *list) | |
415 | { | |
89c1707c JA |
416 | int ret; |
417 | ||
40c60516 JA |
418 | if (list) |
419 | tag = alloc_reply(tag, opcode); | |
89c1707c | 420 | |
40c60516 | 421 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 422 | if (ret) { |
40c60516 JA |
423 | if (list) |
424 | free_reply(tag); | |
425 | ||
89c1707c JA |
426 | return ret; |
427 | } | |
428 | ||
40c60516 JA |
429 | if (list) |
430 | add_reply(tag, list); | |
431 | ||
89c1707c JA |
432 | return 0; |
433 | } | |
434 | ||
122c7725 | 435 | int fio_net_send_quit(int sk) |
437377e1 | 436 | { |
46c48f1f | 437 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 438 | |
8c95307b | 439 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
440 | } |
441 | ||
f58bd2a4 JA |
442 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
443 | int signal) | |
132159a5 | 444 | { |
11e950bd | 445 | struct cmd_end_pdu epdu; |
f58bd2a4 | 446 | uint64_t tag = 0; |
122c7725 | 447 | |
f58bd2a4 JA |
448 | if (cmd) |
449 | tag = cmd->tag; | |
122c7725 JA |
450 | |
451 | epdu.error = __cpu_to_le32(error); | |
452 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 453 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
454 | } |
455 | ||
456 | int fio_net_send_stop(int sk, int error, int signal) | |
457 | { | |
458 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
459 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
460 | } |
461 | ||
462 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
463 | { | |
464 | struct fio_fork_item *ffi; | |
465 | ||
466 | ffi = malloc(sizeof(*ffi)); | |
467 | ffi->exitval = 0; | |
468 | ffi->signal = 0; | |
469 | ffi->exited = 0; | |
470 | ffi->pid = pid; | |
471 | flist_add_tail(&ffi->list, list); | |
472 | } | |
473 | ||
474 | static void fio_server_add_conn_pid(pid_t pid) | |
475 | { | |
476 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", pid); | |
477 | fio_server_add_fork_item(pid, &conn_list); | |
478 | } | |
479 | ||
480 | static void fio_server_add_job_pid(pid_t pid) | |
481 | { | |
482 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", pid); | |
483 | fio_server_add_fork_item(pid, &job_list); | |
484 | } | |
485 | ||
486 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
487 | { | |
488 | int ret, status; | |
489 | ||
490 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
491 | if (ret < 0) { | |
492 | if (errno == ECHILD) { | |
493 | log_err("fio: connection pid %u disappeared\n", ffi->pid); | |
494 | ffi->exited = 1; | |
495 | } else | |
496 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
497 | } else if (ret == ffi->pid) { | |
498 | if (WIFSIGNALED(status)) { | |
499 | ffi->signal = WTERMSIG(status); | |
500 | ffi->exited = 1; | |
501 | } | |
502 | if (WIFEXITED(status)) { | |
503 | if (WEXITSTATUS(status)) | |
504 | ffi->exitval = WEXITSTATUS(status); | |
505 | ffi->exited = 1; | |
506 | } | |
507 | } | |
508 | } | |
509 | ||
510 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
511 | { | |
512 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", ffi->pid, ffi->signal, ffi->exitval); | |
513 | ||
514 | /* | |
515 | * Fold STOP and QUIT... | |
516 | */ | |
517 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
518 | fio_net_send_quit(server_fd); | |
519 | flist_del(&ffi->list); | |
520 | free(ffi); | |
521 | } | |
522 | ||
54163255 | 523 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
524 | { |
525 | struct flist_head *entry, *tmp; | |
526 | struct fio_fork_item *ffi; | |
527 | ||
528 | flist_for_each_safe(entry, tmp, list) { | |
529 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
530 | ||
531 | fio_server_check_fork_item(ffi); | |
532 | ||
533 | if (ffi->exited) | |
534 | fio_server_fork_item_done(ffi); | |
535 | } | |
536 | } | |
537 | ||
538 | static void fio_server_check_jobs(void) | |
539 | { | |
54163255 | 540 | fio_server_check_fork_items(&job_list); |
122c7725 JA |
541 | } |
542 | ||
543 | static void fio_server_check_conns(void) | |
544 | { | |
54163255 | 545 | fio_server_check_fork_items(&conn_list); |
122c7725 JA |
546 | } |
547 | ||
548 | static int handle_run_cmd(struct fio_net_cmd *cmd) | |
549 | { | |
550 | pid_t pid; | |
a64e88da | 551 | int ret; |
132159a5 | 552 | |
122c7725 | 553 | set_genesis_time(); |
11e950bd | 554 | |
122c7725 JA |
555 | pid = fork(); |
556 | if (pid) { | |
557 | fio_server_add_job_pid(pid); | |
558 | return 0; | |
559 | } | |
11e950bd | 560 | |
122c7725 | 561 | ret = fio_backend(); |
2bb3f0a7 | 562 | free_threads_shm(); |
122c7725 | 563 | _exit(ret); |
81179eec JA |
564 | } |
565 | ||
b9d2f30a JA |
566 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
567 | { | |
46bcd498 JA |
568 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
569 | void *buf = pdu->buf; | |
b9d2f30a JA |
570 | struct cmd_start_pdu spdu; |
571 | ||
46bcd498 JA |
572 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
573 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
574 | ||
575 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 576 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
577 | return -1; |
578 | } | |
579 | ||
580 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 581 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 582 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
583 | return 0; |
584 | } | |
585 | ||
81179eec JA |
586 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
587 | { | |
fa2ea806 JA |
588 | void *pdu = cmd->payload; |
589 | struct cmd_single_line_pdu *cslp; | |
590 | struct cmd_line_pdu *clp; | |
591 | unsigned long offset; | |
b9d2f30a | 592 | struct cmd_start_pdu spdu; |
fa2ea806 | 593 | char **argv; |
b9d2f30a | 594 | int i; |
81179eec | 595 | |
fa2ea806 JA |
596 | clp = pdu; |
597 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 598 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
599 | argv = malloc(clp->lines * sizeof(char *)); |
600 | offset = sizeof(*clp); | |
81179eec | 601 | |
fa2ea806 | 602 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 603 | |
fa2ea806 JA |
604 | for (i = 0; i < clp->lines; i++) { |
605 | cslp = pdu + offset; | |
606 | argv[i] = (char *) cslp->text; | |
607 | ||
608 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
609 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
610 | } | |
81179eec | 611 | |
46bcd498 | 612 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 613 | fio_net_send_quit(server_fd); |
fa2ea806 | 614 | free(argv); |
81179eec | 615 | return -1; |
e6d1c668 | 616 | } |
81179eec | 617 | |
fa2ea806 JA |
618 | free(argv); |
619 | ||
b9d2f30a | 620 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 621 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 622 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 623 | return 0; |
132159a5 JA |
624 | } |
625 | ||
c28e8e8c JA |
626 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
627 | { | |
3989b143 JA |
628 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
629 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 630 | uint64_t tag = cmd->tag; |
c28e8e8c | 631 | |
89c1707c JA |
632 | dprint(FD_NET, "server: sending probe reply\n"); |
633 | ||
c28e8e8c JA |
634 | memset(&probe, 0, sizeof(probe)); |
635 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 636 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
637 | probe.bigendian = 1; |
638 | #endif | |
750db473 | 639 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 640 | |
cca84643 JA |
641 | probe.os = FIO_OS; |
642 | probe.arch = FIO_ARCH; | |
38fdef22 | 643 | probe.bpp = sizeof(void *); |
d31e26d0 | 644 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
645 | |
646 | /* | |
647 | * If the client supports compression and we do too, then enable it | |
648 | */ | |
649 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
650 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
651 | use_zlib = 1; | |
652 | } else { | |
653 | probe.flags = 0; | |
654 | use_zlib = 0; | |
655 | } | |
38fdef22 | 656 | |
40c60516 | 657 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
658 | } |
659 | ||
660 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
661 | { | |
662 | struct jobs_eta *je; | |
663 | size_t size; | |
40c60516 | 664 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
665 | int i; |
666 | ||
b814fb26 JA |
667 | if (!thread_number) |
668 | return 0; | |
669 | ||
670 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
671 | je = malloc(size); |
672 | memset(je, 0, size); | |
af9c9fb3 JA |
673 | |
674 | if (!calc_thread_status(je, 1)) { | |
675 | free(je); | |
676 | return 0; | |
677 | } | |
678 | ||
679 | dprint(FD_NET, "server sending status\n"); | |
680 | ||
681 | je->nr_running = cpu_to_le32(je->nr_running); | |
682 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
683 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
684 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 | 685 | |
298921d6 | 686 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
687 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
688 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
689 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
690 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
691 | je->rate[i] = cpu_to_le32(je->rate[i]); |
692 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
693 | } |
694 | ||
c1970b90 | 695 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 696 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 697 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 698 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 699 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 700 | |
40c60516 | 701 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
702 | free(je); |
703 | return 0; | |
c28e8e8c JA |
704 | } |
705 | ||
40c60516 JA |
706 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
707 | { | |
708 | uint64_t tag = __tag; | |
709 | uint32_t pdu_error; | |
710 | ||
711 | pdu_error = __cpu_to_le32(error); | |
712 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
713 | } | |
714 | ||
f58bd2a4 JA |
715 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
716 | { | |
717 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
718 | struct thread_data *td; | |
719 | uint32_t tnumber; | |
720 | ||
721 | tnumber = le32_to_cpu(pdu->thread_number); | |
722 | ||
723 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
724 | ||
30ffacbf | 725 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 726 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
727 | return 0; |
728 | } | |
729 | ||
30ffacbf | 730 | td = &threads[tnumber - 1]; |
f58bd2a4 | 731 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 732 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
733 | return 0; |
734 | } | |
735 | ||
132159a5 JA |
736 | static int handle_command(struct fio_net_cmd *cmd) |
737 | { | |
738 | int ret; | |
739 | ||
4b91ee8f JA |
740 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
741 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
742 | (unsigned long long) cmd->tag); | |
46c48f1f | 743 | |
132159a5 JA |
744 | switch (cmd->opcode) { |
745 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 746 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 747 | return -1; |
d7959186 | 748 | case FIO_NET_CMD_EXIT: |
132159a5 | 749 | exit_backend = 1; |
c28e8e8c | 750 | return -1; |
132159a5 | 751 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 752 | ret = handle_job_cmd(cmd); |
132159a5 | 753 | break; |
81179eec JA |
754 | case FIO_NET_CMD_JOBLINE: |
755 | ret = handle_jobline_cmd(cmd); | |
756 | break; | |
c28e8e8c JA |
757 | case FIO_NET_CMD_PROBE: |
758 | ret = handle_probe_cmd(cmd); | |
759 | break; | |
af9c9fb3 JA |
760 | case FIO_NET_CMD_SEND_ETA: |
761 | ret = handle_send_eta_cmd(cmd); | |
762 | break; | |
b9d2f30a JA |
763 | case FIO_NET_CMD_RUN: |
764 | ret = handle_run_cmd(cmd); | |
765 | break; | |
f58bd2a4 JA |
766 | case FIO_NET_CMD_UPDATE_JOB: |
767 | ret = handle_update_job_cmd(cmd); | |
768 | break; | |
132159a5 | 769 | default: |
3c3ed070 | 770 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
771 | ret = 1; |
772 | } | |
773 | ||
774 | return ret; | |
775 | } | |
776 | ||
122c7725 | 777 | static int handle_connection(int sk) |
132159a5 JA |
778 | { |
779 | struct fio_net_cmd *cmd = NULL; | |
780 | int ret = 0; | |
781 | ||
122c7725 JA |
782 | reset_fio_state(); |
783 | INIT_FLIST_HEAD(&job_list); | |
784 | server_fd = sk; | |
785 | ||
132159a5 JA |
786 | /* read forever */ |
787 | while (!exit_backend) { | |
e951bdc4 JA |
788 | struct pollfd pfd = { |
789 | .fd = sk, | |
790 | .events = POLLIN, | |
791 | }; | |
792 | ||
793 | ret = 0; | |
794 | do { | |
54163255 JA |
795 | int timeout = 1000; |
796 | ||
797 | if (!flist_empty(&job_list)) | |
798 | timeout = 100; | |
3c3ed070 | 799 | |
54163255 | 800 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
801 | if (ret < 0) { |
802 | if (errno == EINTR) | |
803 | break; | |
804 | log_err("fio: poll: %s\n", strerror(errno)); | |
805 | break; | |
19c65179 | 806 | } else if (!ret) { |
122c7725 | 807 | fio_server_check_jobs(); |
e951bdc4 | 808 | continue; |
19c65179 | 809 | } |
e951bdc4 JA |
810 | |
811 | if (pfd.revents & POLLIN) | |
812 | break; | |
813 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
814 | ret = 1; | |
815 | break; | |
816 | } | |
19c65179 | 817 | } while (!exit_backend); |
e951bdc4 | 818 | |
122c7725 JA |
819 | fio_server_check_jobs(); |
820 | ||
e951bdc4 JA |
821 | if (ret < 0) |
822 | break; | |
823 | ||
824 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 825 | if (!cmd) { |
c28e8e8c | 826 | ret = -1; |
132159a5 JA |
827 | break; |
828 | } | |
829 | ||
132159a5 JA |
830 | ret = handle_command(cmd); |
831 | if (ret) | |
832 | break; | |
833 | ||
834 | free(cmd); | |
c77a99e7 | 835 | cmd = NULL; |
132159a5 JA |
836 | } |
837 | ||
838 | if (cmd) | |
839 | free(cmd); | |
840 | ||
122c7725 JA |
841 | close(sk); |
842 | _exit(ret); | |
cc0df00a JA |
843 | } |
844 | ||
50d16976 JA |
845 | static int accept_loop(int listen_sk) |
846 | { | |
bb447a27 | 847 | struct sockaddr_in addr; |
67bf9823 | 848 | socklen_t len = sizeof(addr); |
009b1be4 | 849 | struct pollfd pfd; |
122c7725 | 850 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 851 | |
60efd14e JA |
852 | dprint(FD_NET, "server enter accept loop\n"); |
853 | ||
009b1be4 JA |
854 | flags = fcntl(listen_sk, F_GETFL); |
855 | flags |= O_NONBLOCK; | |
856 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 857 | |
122c7725 JA |
858 | while (!exit_backend) { |
859 | pid_t pid; | |
009b1be4 | 860 | |
122c7725 JA |
861 | pfd.fd = listen_sk; |
862 | pfd.events = POLLIN; | |
863 | do { | |
54163255 JA |
864 | int timeout = 1000; |
865 | ||
866 | if (!flist_empty(&conn_list)) | |
867 | timeout = 100; | |
868 | ||
869 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
870 | if (ret < 0) { |
871 | if (errno == EINTR) | |
872 | break; | |
873 | log_err("fio: poll: %s\n", strerror(errno)); | |
874 | break; | |
875 | } else if (!ret) { | |
876 | fio_server_check_conns(); | |
877 | continue; | |
878 | } | |
009b1be4 | 879 | |
122c7725 JA |
880 | if (pfd.revents & POLLIN) |
881 | break; | |
882 | } while (!exit_backend); | |
50d16976 | 883 | |
122c7725 | 884 | fio_server_check_conns(); |
46c48f1f | 885 | |
122c7725 JA |
886 | if (exit_backend || ret < 0) |
887 | break; | |
888 | ||
889 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
890 | if (sk < 0) { | |
891 | log_err("fio: accept: %s\n", strerror(errno)); | |
892 | return -1; | |
893 | } | |
37db14fe | 894 | |
122c7725 | 895 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 896 | |
122c7725 JA |
897 | pid = fork(); |
898 | if (pid) { | |
899 | close(sk); | |
900 | fio_server_add_conn_pid(pid); | |
901 | continue; | |
902 | } | |
5c341e9a | 903 | |
122c7725 JA |
904 | /* exits */ |
905 | handle_connection(sk); | |
906 | } | |
5c341e9a | 907 | |
132159a5 | 908 | return exitval; |
50d16976 JA |
909 | } |
910 | ||
084d1c6f | 911 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 912 | { |
084d1c6f JA |
913 | struct cmd_text_pdu *pdu; |
914 | unsigned int tlen; | |
915 | struct timeval tv; | |
916 | ||
917 | if (server_fd == -1) | |
918 | return log_local_buf(buf, len); | |
919 | ||
920 | tlen = sizeof(*pdu) + len; | |
921 | pdu = malloc(tlen); | |
922 | ||
923 | pdu->level = __cpu_to_le32(level); | |
924 | pdu->buf_len = __cpu_to_le32(len); | |
925 | ||
926 | gettimeofday(&tv, NULL); | |
927 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
928 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 929 | |
084d1c6f JA |
930 | memcpy(pdu->buf, buf, len); |
931 | ||
40c60516 | 932 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
933 | free(pdu); |
934 | return len; | |
142575e6 JA |
935 | } |
936 | ||
a64e88da JA |
937 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
938 | { | |
939 | dst->max_val = cpu_to_le64(src->max_val); | |
940 | dst->min_val = cpu_to_le64(src->min_val); | |
941 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
942 | |
943 | /* | |
944 | * Encode to IEEE 754 for network transfer | |
945 | */ | |
946 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
947 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
948 | } |
949 | ||
950 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
951 | { | |
952 | int i; | |
953 | ||
298921d6 | 954 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
955 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
956 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
957 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
958 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
959 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
960 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
961 | } | |
962 | ||
963 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 964 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 965 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 966 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
967 | } |
968 | ||
969 | /* | |
970 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
971 | * into a single payload. | |
972 | */ | |
973 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
974 | { | |
975 | struct cmd_ts_pdu p; | |
976 | int i, j; | |
977 | ||
60efd14e JA |
978 | dprint(FD_NET, "server sending end stats\n"); |
979 | ||
317b3c8b JA |
980 | memset(&p, 0, sizeof(p)); |
981 | ||
a64e88da JA |
982 | strcpy(p.ts.name, ts->name); |
983 | strcpy(p.ts.verror, ts->verror); | |
984 | strcpy(p.ts.description, ts->description); | |
985 | ||
2f122b13 JA |
986 | p.ts.error = cpu_to_le32(ts->error); |
987 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
988 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
989 | p.ts.pid = cpu_to_le32(ts->pid); | |
990 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 991 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 992 | |
298921d6 | 993 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
994 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
995 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
996 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
997 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
998 | } | |
999 | ||
1000 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1001 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1002 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1003 | p.ts.minf = cpu_to_le64(ts->minf); | |
1004 | p.ts.majf = cpu_to_le64(ts->majf); | |
1005 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1006 | |
1007 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1008 | fio_fp64_t *src = &ts->percentile_list[i]; |
1009 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1010 | |
cfc03e46 | 1011 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1012 | } |
a64e88da JA |
1013 | |
1014 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1015 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1016 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1017 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1018 | } | |
1019 | ||
1020 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1021 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1022 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1023 | } | |
1024 | ||
298921d6 | 1025 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1026 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1027 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1028 | ||
78799deb | 1029 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1030 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1031 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1032 | } |
1033 | ||
93eee04a | 1034 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1035 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1036 | ||
298921d6 | 1037 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1038 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1039 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1040 | } | |
1041 | ||
1042 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1043 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1044 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1045 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1046 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1047 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da JA |
1048 | |
1049 | convert_gs(&p.rs, rs); | |
1050 | ||
40c60516 | 1051 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1052 | } |
1053 | ||
1054 | void fio_server_send_gs(struct group_run_stats *rs) | |
1055 | { | |
1056 | struct group_run_stats gs; | |
1057 | ||
60efd14e JA |
1058 | dprint(FD_NET, "server sending group run stats\n"); |
1059 | ||
a64e88da | 1060 | convert_gs(&gs, rs); |
40c60516 | 1061 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1062 | } |
1063 | ||
d09a64a0 JA |
1064 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1065 | { | |
1066 | int i; | |
1067 | ||
1068 | for (i = 0; i < 2; i++) { | |
1069 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1070 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1071 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1072 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1073 | } | |
1074 | ||
1075 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1076 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1077 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1078 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1079 | } | |
1080 | ||
1081 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1082 | { | |
1083 | int i; | |
1084 | ||
1085 | strcpy((char *) dst->name, (char *) src->name); | |
1086 | ||
1087 | for (i = 0; i < 2; i++) { | |
1088 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1089 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1090 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1091 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1092 | } | |
1093 | ||
1094 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1095 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1096 | dst->msec = cpu_to_le64(src->msec); | |
1097 | } | |
1098 | ||
1099 | void fio_server_send_du(void) | |
1100 | { | |
1101 | struct disk_util *du; | |
1102 | struct flist_head *entry; | |
1103 | struct cmd_du_pdu pdu; | |
1104 | ||
1105 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1106 | ||
0766d92e JA |
1107 | memset(&pdu, 0, sizeof(pdu)); |
1108 | ||
d09a64a0 JA |
1109 | flist_for_each(entry, &disk_list) { |
1110 | du = flist_entry(entry, struct disk_util, list); | |
1111 | ||
1112 | convert_dus(&pdu.dus, &du->dus); | |
1113 | convert_agg(&pdu.agg, &du->agg); | |
1114 | ||
40c60516 | 1115 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1116 | } |
1117 | } | |
1118 | ||
53bd8dbc JA |
1119 | /* |
1120 | * Send a command with a separate PDU, not inlined in the command | |
1121 | */ | |
1122 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1123 | off_t size, uint64_t tag, uint32_t flags) | |
1124 | { | |
1125 | struct fio_net_cmd cmd; | |
1126 | struct iovec iov[2]; | |
1127 | ||
1128 | iov[0].iov_base = &cmd; | |
1129 | iov[0].iov_len = sizeof(cmd); | |
1130 | iov[1].iov_base = (void *) buf; | |
1131 | iov[1].iov_len = size; | |
1132 | ||
1133 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1134 | cmd.flags = __cpu_to_le32(flags); | |
1135 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1136 | ||
8c95307b | 1137 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1138 | } |
1139 | ||
3989b143 | 1140 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1141 | { |
3989b143 JA |
1142 | int ret = 0; |
1143 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1144 | z_stream stream; |
1145 | void *out_pdu; | |
1b42725f JA |
1146 | |
1147 | /* | |
1148 | * Dirty - since the log is potentially huge, compress it into | |
1149 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1150 | * side defragment it. | |
1151 | */ | |
1152 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1153 | ||
1154 | stream.zalloc = Z_NULL; | |
1155 | stream.zfree = Z_NULL; | |
1156 | stream.opaque = Z_NULL; | |
1157 | ||
1158 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1159 | ret = 1; |
1160 | goto err; | |
1b42725f JA |
1161 | } |
1162 | ||
f5ed765a JA |
1163 | stream.next_in = (void *) log->log; |
1164 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1165 | |
1166 | do { | |
53bd8dbc JA |
1167 | unsigned int this_len, flags = 0; |
1168 | int ret; | |
1b42725f JA |
1169 | |
1170 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1171 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1172 | ret = deflate(&stream, Z_FINISH); |
1173 | /* may be Z_OK, or Z_STREAM_END */ | |
1174 | if (ret < 0) | |
1175 | goto err_zlib; | |
1b42725f JA |
1176 | |
1177 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1178 | ||
1b42725f | 1179 | if (stream.avail_in) |
53bd8dbc | 1180 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1181 | |
53bd8dbc JA |
1182 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1183 | out_pdu, this_len, 0, flags); | |
1184 | if (ret) | |
1185 | goto err_zlib; | |
1b42725f JA |
1186 | } while (stream.avail_in); |
1187 | ||
53bd8dbc | 1188 | err_zlib: |
1b42725f | 1189 | deflateEnd(&stream); |
53bd8dbc JA |
1190 | err: |
1191 | free(out_pdu); | |
3989b143 | 1192 | #endif |
53bd8dbc | 1193 | return ret; |
1b42725f JA |
1194 | } |
1195 | ||
3989b143 JA |
1196 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1197 | { | |
1198 | struct cmd_iolog_pdu pdu; | |
1199 | int i, ret = 0; | |
1200 | ||
1201 | pdu.thread_number = cpu_to_le32(td->thread_number); | |
1202 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); | |
1203 | pdu.log_type = cpu_to_le32(log->log_type); | |
1204 | pdu.compressed = cpu_to_le32(use_zlib); | |
1205 | strcpy((char *) pdu.name, name); | |
1206 | ||
1207 | for (i = 0; i < log->nr_samples; i++) { | |
1208 | struct io_sample *s = &log->log[i]; | |
1209 | ||
1210 | s->time = cpu_to_le64(s->time); | |
1211 | s->val = cpu_to_le64(s->val); | |
1212 | s->ddir = cpu_to_le32(s->ddir); | |
1213 | s->bs = cpu_to_le32(s->bs); | |
1214 | } | |
1215 | ||
1216 | /* | |
1217 | * Send header first, it's not compressed. | |
1218 | */ | |
1219 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1220 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1221 | if (ret) | |
1222 | return ret; | |
1223 | ||
1224 | /* | |
1225 | * Now send actual log, compress if we can, otherwise just plain | |
1226 | */ | |
1227 | if (use_zlib) | |
1228 | return fio_send_iolog_gz(&pdu, log); | |
1229 | ||
1230 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
1231 | log->nr_samples * sizeof(struct io_sample), 0, 0); | |
1232 | } | |
1233 | ||
2f122b13 | 1234 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1235 | { |
1236 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1237 | |
731e30a2 | 1238 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1239 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1240 | pdu.groupid = cpu_to_le32(td->groupid); | |
1241 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1242 | |
40c60516 | 1243 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1244 | } |
1245 | ||
122c7725 JA |
1246 | void fio_server_send_start(struct thread_data *td) |
1247 | { | |
1248 | assert(server_fd != -1); | |
1249 | ||
1250 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1251 | } | |
1252 | ||
87aa8f19 | 1253 | static int fio_init_server_ip(void) |
81179eec | 1254 | { |
811826be | 1255 | struct sockaddr *addr; |
67bf9823 | 1256 | socklen_t socklen; |
87aa8f19 | 1257 | int sk, opt; |
81179eec | 1258 | |
811826be JA |
1259 | if (use_ipv6) |
1260 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1261 | else | |
1262 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1263 | ||
81179eec JA |
1264 | if (sk < 0) { |
1265 | log_err("fio: socket: %s\n", strerror(errno)); | |
1266 | return -1; | |
1267 | } | |
1268 | ||
1269 | opt = 1; | |
1f81991e | 1270 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1271 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1272 | close(sk); |
81179eec JA |
1273 | return -1; |
1274 | } | |
1275 | #ifdef SO_REUSEPORT | |
6eb24791 | 1276 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1277 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1278 | close(sk); |
81179eec JA |
1279 | return -1; |
1280 | } | |
1281 | #endif | |
1282 | ||
811826be JA |
1283 | if (use_ipv6) { |
1284 | addr = (struct sockaddr *) &saddr_in6; | |
1285 | socklen = sizeof(saddr_in6); | |
1286 | saddr_in6.sin6_family = AF_INET6; | |
1287 | } else { | |
1288 | addr = (struct sockaddr *) &saddr_in; | |
1289 | socklen = sizeof(saddr_in); | |
1290 | saddr_in.sin_family = AF_INET; | |
1291 | } | |
81179eec | 1292 | |
811826be | 1293 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1294 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1295 | close(sk); |
81179eec JA |
1296 | return -1; |
1297 | } | |
1298 | ||
87aa8f19 JA |
1299 | return sk; |
1300 | } | |
1301 | ||
1302 | static int fio_init_server_sock(void) | |
1303 | { | |
1304 | struct sockaddr_un addr; | |
67bf9823 | 1305 | socklen_t len; |
87aa8f19 JA |
1306 | mode_t mode; |
1307 | int sk; | |
1308 | ||
1309 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1310 | if (sk < 0) { | |
1311 | log_err("fio: socket: %s\n", strerror(errno)); | |
1312 | return -1; | |
1313 | } | |
1314 | ||
1315 | mode = umask(000); | |
1316 | ||
1317 | memset(&addr, 0, sizeof(addr)); | |
1318 | addr.sun_family = AF_UNIX; | |
1319 | strcpy(addr.sun_path, bind_sock); | |
1320 | unlink(bind_sock); | |
1321 | ||
1322 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1323 | ||
1324 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1325 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1326 | close(sk); |
87aa8f19 JA |
1327 | return -1; |
1328 | } | |
1329 | ||
1330 | umask(mode); | |
1331 | return sk; | |
1332 | } | |
1333 | ||
1334 | static int fio_init_server_connection(void) | |
1335 | { | |
bebe6398 | 1336 | char bind_str[128]; |
87aa8f19 JA |
1337 | int sk; |
1338 | ||
1339 | dprint(FD_NET, "starting server\n"); | |
1340 | ||
1341 | if (!bind_sock) | |
1342 | sk = fio_init_server_ip(); | |
1343 | else | |
1344 | sk = fio_init_server_sock(); | |
1345 | ||
1346 | if (sk < 0) | |
1347 | return sk; | |
1348 | ||
811826be JA |
1349 | if (!bind_sock) { |
1350 | char *p, port[16]; | |
1351 | const void *src; | |
1352 | int af; | |
1353 | ||
1354 | if (use_ipv6) { | |
1355 | af = AF_INET6; | |
1356 | src = &saddr_in6.sin6_addr; | |
1357 | } else { | |
1358 | af = AF_INET; | |
1359 | src = &saddr_in.sin_addr; | |
1360 | } | |
1361 | ||
1362 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1363 | ||
1364 | sprintf(port, ",%u", fio_net_port); | |
1365 | if (p) | |
1366 | strcat(p, port); | |
1367 | else | |
1368 | strcpy(bind_str, port); | |
1369 | } else | |
bebe6398 JA |
1370 | strcpy(bind_str, bind_sock); |
1371 | ||
1372 | log_info("fio: server listening on %s\n", bind_str); | |
1373 | ||
89c1707c | 1374 | if (listen(sk, 0) < 0) { |
81179eec JA |
1375 | log_err("fio: listen: %s\n", strerror(errno)); |
1376 | return -1; | |
1377 | } | |
1378 | ||
87aa8f19 JA |
1379 | return sk; |
1380 | } | |
1381 | ||
3ec62ec4 JA |
1382 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1383 | struct in6_addr *inp6) | |
1384 | ||
1385 | { | |
1386 | int ret = 0; | |
1387 | ||
1388 | if (*ipv6) | |
1389 | ret = inet_pton(AF_INET6, host, inp6); | |
1390 | else | |
1391 | ret = inet_pton(AF_INET, host, inp); | |
1392 | ||
1393 | if (ret != 1) { | |
1394 | struct hostent *hent; | |
1395 | ||
1396 | hent = gethostbyname(host); | |
1397 | if (!hent) { | |
1398 | log_err("fio: failed to resolve <%s>\n", host); | |
1399 | return 0; | |
1400 | } | |
1401 | ||
1402 | if (*ipv6) { | |
1403 | if (hent->h_addrtype != AF_INET6) { | |
1404 | log_info("fio: falling back to IPv4\n"); | |
1405 | *ipv6 = 0; | |
1406 | } else | |
1407 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1408 | } | |
1409 | if (!*ipv6) { | |
1410 | if (hent->h_addrtype != AF_INET) { | |
1411 | log_err("fio: lookup type mismatch\n"); | |
1412 | return 0; | |
1413 | } | |
1414 | memcpy(inp, hent->h_addr_list[0], 4); | |
1415 | } | |
1416 | ret = 1; | |
1417 | } | |
1418 | ||
1419 | return !(ret == 1); | |
1420 | } | |
1421 | ||
660a2bfb JA |
1422 | /* |
1423 | * Parse a host/ip/port string. Reads from 'str'. | |
1424 | * | |
1425 | * Outputs: | |
1426 | * | |
1427 | * For IPv4: | |
1428 | * *ptr is the host, *port is the port, inp is the destination. | |
1429 | * For IPv6: | |
1430 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1431 | * For local domain sockets: | |
1432 | * *ptr is the filename, *is_sock is 1. | |
1433 | */ | |
bebe6398 | 1434 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1435 | int *port, struct in_addr *inp, |
1436 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1437 | { |
76867621 JA |
1438 | const char *host = str; |
1439 | char *portp; | |
3ec62ec4 | 1440 | int lport = 0; |
76867621 | 1441 | |
bebe6398 JA |
1442 | *ptr = NULL; |
1443 | *is_sock = 0; | |
6d2cf394 | 1444 | *port = fio_net_port; |
811826be | 1445 | *ipv6 = 0; |
bebe6398 JA |
1446 | |
1447 | if (!strncmp(str, "sock:", 5)) { | |
1448 | *ptr = strdup(str + 5); | |
1449 | *is_sock = 1; | |
76867621 JA |
1450 | |
1451 | return 0; | |
1452 | } | |
1453 | ||
1454 | /* | |
1455 | * Is it ip:<ip or host>:port | |
1456 | */ | |
1457 | if (!strncmp(host, "ip:", 3)) | |
1458 | host += 3; | |
1459 | else if (!strncmp(host, "ip4:", 4)) | |
1460 | host += 4; | |
1461 | else if (!strncmp(host, "ip6:", 4)) { | |
1462 | host += 4; | |
1463 | *ipv6 = 1; | |
1464 | } else if (host[0] == ':') { | |
1465 | /* String is :port */ | |
1466 | host++; | |
1467 | lport = atoi(host); | |
1468 | if (!lport || lport > 65535) { | |
1469 | log_err("fio: bad server port %u\n", port); | |
1470 | return 1; | |
1471 | } | |
1472 | /* no hostname given, we are done */ | |
1473 | *port = lport; | |
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | /* | |
1478 | * If no port seen yet, check if there's a last ':' at the end | |
1479 | */ | |
1480 | if (!lport) { | |
1481 | portp = strchr(host, ','); | |
1482 | if (portp) { | |
1483 | *portp = '\0'; | |
1484 | portp++; | |
1485 | lport = atoi(portp); | |
bebe6398 JA |
1486 | if (!lport || lport > 65535) { |
1487 | log_err("fio: bad server port %u\n", port); | |
1488 | return 1; | |
1489 | } | |
bebe6398 | 1490 | } |
76867621 | 1491 | } |
bebe6398 | 1492 | |
76867621 JA |
1493 | if (lport) |
1494 | *port = lport; | |
bebe6398 | 1495 | |
76867621 JA |
1496 | if (!strlen(host)) |
1497 | return 0; | |
bebe6398 | 1498 | |
76867621 | 1499 | *ptr = strdup(host); |
811826be | 1500 | |
3ec62ec4 JA |
1501 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1502 | free(*ptr); | |
1503 | *ptr = NULL; | |
1504 | return 1; | |
bebe6398 JA |
1505 | } |
1506 | ||
1507 | if (*port == 0) | |
1508 | *port = fio_net_port; | |
1509 | ||
1510 | return 0; | |
1511 | } | |
1512 | ||
87aa8f19 JA |
1513 | /* |
1514 | * Server arg should be one of: | |
1515 | * | |
1516 | * sock:/path/to/socket | |
1517 | * ip:1.2.3.4 | |
1518 | * 1.2.3.4 | |
1519 | * | |
1520 | * Where sock uses unix domain sockets, and ip binds the server to | |
1521 | * a specific interface. If no arguments are given to the server, it | |
1522 | * uses IP and binds to 0.0.0.0. | |
1523 | * | |
1524 | */ | |
1525 | static int fio_handle_server_arg(void) | |
1526 | { | |
6d2cf394 | 1527 | int port = fio_net_port; |
a7de0a11 | 1528 | int is_sock, ret = 0; |
bebe6398 | 1529 | |
87aa8f19 JA |
1530 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1531 | ||
1532 | if (!fio_server_arg) | |
a7de0a11 | 1533 | goto out; |
87aa8f19 | 1534 | |
4e5b8fb8 | 1535 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1536 | &port, &saddr_in.sin_addr, |
1537 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1538 | |
1539 | if (!is_sock && bind_sock) { | |
1540 | free(bind_sock); | |
1541 | bind_sock = NULL; | |
1542 | } | |
1543 | ||
a7de0a11 | 1544 | out: |
6d2cf394 JA |
1545 | fio_net_port = port; |
1546 | saddr_in.sin_port = htons(port); | |
811826be | 1547 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1548 | return ret; |
87aa8f19 JA |
1549 | } |
1550 | ||
1551 | static int fio_server(void) | |
1552 | { | |
1553 | int sk, ret; | |
1554 | ||
1555 | dprint(FD_NET, "starting server\n"); | |
1556 | ||
1557 | if (fio_handle_server_arg()) | |
1558 | return -1; | |
1559 | ||
1560 | sk = fio_init_server_connection(); | |
1561 | if (sk < 0) | |
1562 | return -1; | |
81179eec JA |
1563 | |
1564 | ret = accept_loop(sk); | |
87aa8f19 | 1565 | |
81179eec | 1566 | close(sk); |
87aa8f19 JA |
1567 | |
1568 | if (fio_server_arg) { | |
1569 | free(fio_server_arg); | |
1570 | fio_server_arg = NULL; | |
1571 | } | |
bebe6398 JA |
1572 | if (bind_sock) |
1573 | free(bind_sock); | |
87aa8f19 | 1574 | |
81179eec JA |
1575 | return ret; |
1576 | } | |
1577 | ||
7b821684 | 1578 | void fio_server_got_signal(int signal) |
9abea48b | 1579 | { |
7b821684 JA |
1580 | if (signal == SIGPIPE) |
1581 | server_fd = -1; | |
1582 | else { | |
1583 | log_info("\nfio: terminating on signal %d\n", signal); | |
1584 | exit_backend = 1; | |
1585 | } | |
9abea48b JA |
1586 | } |
1587 | ||
13755d94 JA |
1588 | static int check_existing_pidfile(const char *pidfile) |
1589 | { | |
1590 | struct stat sb; | |
1591 | char buf[16]; | |
1592 | pid_t pid; | |
1593 | FILE *f; | |
1594 | ||
1595 | if (stat(pidfile, &sb)) | |
1596 | return 0; | |
1597 | ||
1598 | f = fopen(pidfile, "r"); | |
1599 | if (!f) | |
1600 | return 0; | |
1601 | ||
bfc3b179 | 1602 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1603 | fclose(f); |
1604 | return 1; | |
1605 | } | |
1606 | fclose(f); | |
1607 | ||
1608 | pid = atoi(buf); | |
1609 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1610 | return errno != ESRCH; |
13755d94 JA |
1611 | |
1612 | return 1; | |
1613 | } | |
1614 | ||
1615 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1616 | { |
1617 | FILE *fpid; | |
1618 | ||
1619 | fpid = fopen(pidfile, "w"); | |
1620 | if (!fpid) { | |
1621 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1622 | return 1; |
402668f3 JA |
1623 | } |
1624 | ||
1625 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1626 | fclose(fpid); |
1627 | return 0; | |
402668f3 JA |
1628 | } |
1629 | ||
1630 | /* | |
1631 | * If pidfile is specified, background us. | |
1632 | */ | |
1633 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1634 | { |
1635 | pid_t pid; | |
402668f3 | 1636 | int ret; |
e46d8091 | 1637 | |
93bcfd20 | 1638 | #if defined(WIN32) |
905c78b9 | 1639 | WSADATA wsd; |
3c3ed070 | 1640 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1641 | #endif |
1642 | ||
402668f3 | 1643 | if (!pidfile) |
e46d8091 JA |
1644 | return fio_server(); |
1645 | ||
13755d94 JA |
1646 | if (check_existing_pidfile(pidfile)) { |
1647 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1648 | pidfile); | |
1649 | return -1; | |
1650 | } | |
1651 | ||
e46d8091 JA |
1652 | pid = fork(); |
1653 | if (pid < 0) { | |
13755d94 | 1654 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1655 | free(pidfile); |
c28e8e8c | 1656 | return -1; |
402668f3 | 1657 | } else if (pid) { |
13755d94 JA |
1658 | int ret = write_pid(pid, pidfile); |
1659 | ||
1660 | exit(ret); | |
402668f3 | 1661 | } |
e46d8091 JA |
1662 | |
1663 | setsid(); | |
13755d94 JA |
1664 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1665 | log_syslog = 1; | |
e46d8091 JA |
1666 | close(STDIN_FILENO); |
1667 | close(STDOUT_FILENO); | |
1668 | close(STDERR_FILENO); | |
1669 | f_out = NULL; | |
1670 | f_err = NULL; | |
402668f3 JA |
1671 | |
1672 | ret = fio_server(); | |
1673 | ||
1674 | closelog(); | |
1675 | unlink(pidfile); | |
1676 | free(pidfile); | |
1677 | return ret; | |
e46d8091 | 1678 | } |
87aa8f19 | 1679 | |
bebe6398 | 1680 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1681 | { |
1682 | fio_server_arg = strdup(arg); | |
1683 | } |