Commit | Line | Data |
---|---|---|
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); | |
714e85f3 | 684 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
af9c9fb3 | 685 | je->files_open = cpu_to_le32(je->files_open); |
af9c9fb3 | 686 | |
298921d6 | 687 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
688 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
689 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
690 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
691 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
692 | je->rate[i] = cpu_to_le32(je->rate[i]); |
693 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
694 | } |
695 | ||
c1970b90 | 696 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 697 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 698 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 699 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 700 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 701 | |
40c60516 | 702 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
703 | free(je); |
704 | return 0; | |
c28e8e8c JA |
705 | } |
706 | ||
40c60516 JA |
707 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
708 | { | |
709 | uint64_t tag = __tag; | |
710 | uint32_t pdu_error; | |
711 | ||
712 | pdu_error = __cpu_to_le32(error); | |
713 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
714 | } | |
715 | ||
f58bd2a4 JA |
716 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
717 | { | |
718 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
719 | struct thread_data *td; | |
720 | uint32_t tnumber; | |
721 | ||
722 | tnumber = le32_to_cpu(pdu->thread_number); | |
723 | ||
724 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
725 | ||
30ffacbf | 726 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 727 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
728 | return 0; |
729 | } | |
730 | ||
30ffacbf | 731 | td = &threads[tnumber - 1]; |
f58bd2a4 | 732 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 733 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
734 | return 0; |
735 | } | |
736 | ||
132159a5 JA |
737 | static int handle_command(struct fio_net_cmd *cmd) |
738 | { | |
739 | int ret; | |
740 | ||
4b91ee8f JA |
741 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
742 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
743 | (unsigned long long) cmd->tag); | |
46c48f1f | 744 | |
132159a5 JA |
745 | switch (cmd->opcode) { |
746 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 747 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 748 | return -1; |
d7959186 | 749 | case FIO_NET_CMD_EXIT: |
132159a5 | 750 | exit_backend = 1; |
c28e8e8c | 751 | return -1; |
132159a5 | 752 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 753 | ret = handle_job_cmd(cmd); |
132159a5 | 754 | break; |
81179eec JA |
755 | case FIO_NET_CMD_JOBLINE: |
756 | ret = handle_jobline_cmd(cmd); | |
757 | break; | |
c28e8e8c JA |
758 | case FIO_NET_CMD_PROBE: |
759 | ret = handle_probe_cmd(cmd); | |
760 | break; | |
af9c9fb3 JA |
761 | case FIO_NET_CMD_SEND_ETA: |
762 | ret = handle_send_eta_cmd(cmd); | |
763 | break; | |
b9d2f30a JA |
764 | case FIO_NET_CMD_RUN: |
765 | ret = handle_run_cmd(cmd); | |
766 | break; | |
f58bd2a4 JA |
767 | case FIO_NET_CMD_UPDATE_JOB: |
768 | ret = handle_update_job_cmd(cmd); | |
769 | break; | |
132159a5 | 770 | default: |
3c3ed070 | 771 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
772 | ret = 1; |
773 | } | |
774 | ||
775 | return ret; | |
776 | } | |
777 | ||
122c7725 | 778 | static int handle_connection(int sk) |
132159a5 JA |
779 | { |
780 | struct fio_net_cmd *cmd = NULL; | |
781 | int ret = 0; | |
782 | ||
122c7725 JA |
783 | reset_fio_state(); |
784 | INIT_FLIST_HEAD(&job_list); | |
785 | server_fd = sk; | |
786 | ||
132159a5 JA |
787 | /* read forever */ |
788 | while (!exit_backend) { | |
e951bdc4 JA |
789 | struct pollfd pfd = { |
790 | .fd = sk, | |
791 | .events = POLLIN, | |
792 | }; | |
793 | ||
794 | ret = 0; | |
795 | do { | |
54163255 JA |
796 | int timeout = 1000; |
797 | ||
798 | if (!flist_empty(&job_list)) | |
799 | timeout = 100; | |
3c3ed070 | 800 | |
54163255 | 801 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
802 | if (ret < 0) { |
803 | if (errno == EINTR) | |
804 | break; | |
805 | log_err("fio: poll: %s\n", strerror(errno)); | |
806 | break; | |
19c65179 | 807 | } else if (!ret) { |
122c7725 | 808 | fio_server_check_jobs(); |
e951bdc4 | 809 | continue; |
19c65179 | 810 | } |
e951bdc4 JA |
811 | |
812 | if (pfd.revents & POLLIN) | |
813 | break; | |
814 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
815 | ret = 1; | |
816 | break; | |
817 | } | |
19c65179 | 818 | } while (!exit_backend); |
e951bdc4 | 819 | |
122c7725 JA |
820 | fio_server_check_jobs(); |
821 | ||
e951bdc4 JA |
822 | if (ret < 0) |
823 | break; | |
824 | ||
825 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 826 | if (!cmd) { |
c28e8e8c | 827 | ret = -1; |
132159a5 JA |
828 | break; |
829 | } | |
830 | ||
132159a5 JA |
831 | ret = handle_command(cmd); |
832 | if (ret) | |
833 | break; | |
834 | ||
835 | free(cmd); | |
c77a99e7 | 836 | cmd = NULL; |
132159a5 JA |
837 | } |
838 | ||
839 | if (cmd) | |
840 | free(cmd); | |
841 | ||
122c7725 JA |
842 | close(sk); |
843 | _exit(ret); | |
cc0df00a JA |
844 | } |
845 | ||
50d16976 JA |
846 | static int accept_loop(int listen_sk) |
847 | { | |
bb447a27 | 848 | struct sockaddr_in addr; |
67bf9823 | 849 | socklen_t len = sizeof(addr); |
009b1be4 | 850 | struct pollfd pfd; |
122c7725 | 851 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 852 | |
60efd14e JA |
853 | dprint(FD_NET, "server enter accept loop\n"); |
854 | ||
009b1be4 JA |
855 | flags = fcntl(listen_sk, F_GETFL); |
856 | flags |= O_NONBLOCK; | |
857 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 858 | |
122c7725 JA |
859 | while (!exit_backend) { |
860 | pid_t pid; | |
009b1be4 | 861 | |
122c7725 JA |
862 | pfd.fd = listen_sk; |
863 | pfd.events = POLLIN; | |
864 | do { | |
54163255 JA |
865 | int timeout = 1000; |
866 | ||
867 | if (!flist_empty(&conn_list)) | |
868 | timeout = 100; | |
869 | ||
870 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
871 | if (ret < 0) { |
872 | if (errno == EINTR) | |
873 | break; | |
874 | log_err("fio: poll: %s\n", strerror(errno)); | |
875 | break; | |
876 | } else if (!ret) { | |
877 | fio_server_check_conns(); | |
878 | continue; | |
879 | } | |
009b1be4 | 880 | |
122c7725 JA |
881 | if (pfd.revents & POLLIN) |
882 | break; | |
883 | } while (!exit_backend); | |
50d16976 | 884 | |
122c7725 | 885 | fio_server_check_conns(); |
46c48f1f | 886 | |
122c7725 JA |
887 | if (exit_backend || ret < 0) |
888 | break; | |
889 | ||
890 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
891 | if (sk < 0) { | |
892 | log_err("fio: accept: %s\n", strerror(errno)); | |
893 | return -1; | |
894 | } | |
37db14fe | 895 | |
122c7725 | 896 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 897 | |
122c7725 JA |
898 | pid = fork(); |
899 | if (pid) { | |
900 | close(sk); | |
901 | fio_server_add_conn_pid(pid); | |
902 | continue; | |
903 | } | |
5c341e9a | 904 | |
122c7725 JA |
905 | /* exits */ |
906 | handle_connection(sk); | |
907 | } | |
5c341e9a | 908 | |
132159a5 | 909 | return exitval; |
50d16976 JA |
910 | } |
911 | ||
084d1c6f | 912 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 913 | { |
084d1c6f JA |
914 | struct cmd_text_pdu *pdu; |
915 | unsigned int tlen; | |
916 | struct timeval tv; | |
917 | ||
918 | if (server_fd == -1) | |
919 | return log_local_buf(buf, len); | |
920 | ||
921 | tlen = sizeof(*pdu) + len; | |
922 | pdu = malloc(tlen); | |
923 | ||
924 | pdu->level = __cpu_to_le32(level); | |
925 | pdu->buf_len = __cpu_to_le32(len); | |
926 | ||
927 | gettimeofday(&tv, NULL); | |
928 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
929 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 930 | |
084d1c6f JA |
931 | memcpy(pdu->buf, buf, len); |
932 | ||
40c60516 | 933 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
934 | free(pdu); |
935 | return len; | |
142575e6 JA |
936 | } |
937 | ||
a64e88da JA |
938 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
939 | { | |
940 | dst->max_val = cpu_to_le64(src->max_val); | |
941 | dst->min_val = cpu_to_le64(src->min_val); | |
942 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
943 | |
944 | /* | |
945 | * Encode to IEEE 754 for network transfer | |
946 | */ | |
947 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
948 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
949 | } |
950 | ||
951 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
952 | { | |
953 | int i; | |
954 | ||
298921d6 | 955 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
956 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
957 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
958 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
959 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
960 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
961 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
962 | } | |
963 | ||
964 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 965 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 966 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 967 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
968 | } |
969 | ||
970 | /* | |
971 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
972 | * into a single payload. | |
973 | */ | |
974 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
975 | { | |
976 | struct cmd_ts_pdu p; | |
977 | int i, j; | |
978 | ||
60efd14e JA |
979 | dprint(FD_NET, "server sending end stats\n"); |
980 | ||
317b3c8b JA |
981 | memset(&p, 0, sizeof(p)); |
982 | ||
a64e88da JA |
983 | strcpy(p.ts.name, ts->name); |
984 | strcpy(p.ts.verror, ts->verror); | |
985 | strcpy(p.ts.description, ts->description); | |
986 | ||
2f122b13 JA |
987 | p.ts.error = cpu_to_le32(ts->error); |
988 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
989 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
990 | p.ts.pid = cpu_to_le32(ts->pid); | |
991 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 992 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 993 | |
298921d6 | 994 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
995 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
996 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
997 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
998 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
999 | } | |
1000 | ||
1001 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1002 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1003 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1004 | p.ts.minf = cpu_to_le64(ts->minf); | |
1005 | p.ts.majf = cpu_to_le64(ts->majf); | |
1006 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1007 | |
1008 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1009 | fio_fp64_t *src = &ts->percentile_list[i]; |
1010 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1011 | |
cfc03e46 | 1012 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1013 | } |
a64e88da JA |
1014 | |
1015 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1016 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1017 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1018 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1019 | } | |
1020 | ||
1021 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1022 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1023 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1024 | } | |
1025 | ||
298921d6 | 1026 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1027 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1028 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1029 | ||
78799deb | 1030 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1031 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1032 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1033 | } |
1034 | ||
93eee04a | 1035 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1036 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1037 | ||
298921d6 | 1038 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1039 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1040 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1041 | } | |
1042 | ||
1043 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1044 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1045 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1046 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1047 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1048 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da JA |
1049 | |
1050 | convert_gs(&p.rs, rs); | |
1051 | ||
40c60516 | 1052 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1053 | } |
1054 | ||
1055 | void fio_server_send_gs(struct group_run_stats *rs) | |
1056 | { | |
1057 | struct group_run_stats gs; | |
1058 | ||
60efd14e JA |
1059 | dprint(FD_NET, "server sending group run stats\n"); |
1060 | ||
a64e88da | 1061 | convert_gs(&gs, rs); |
40c60516 | 1062 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1063 | } |
1064 | ||
d09a64a0 JA |
1065 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1066 | { | |
1067 | int i; | |
1068 | ||
1069 | for (i = 0; i < 2; i++) { | |
1070 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1071 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1072 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1073 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1074 | } | |
1075 | ||
1076 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1077 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1078 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1079 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1080 | } | |
1081 | ||
1082 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1083 | { | |
1084 | int i; | |
1085 | ||
1086 | strcpy((char *) dst->name, (char *) src->name); | |
1087 | ||
1088 | for (i = 0; i < 2; i++) { | |
1089 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1090 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1091 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1092 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1093 | } | |
1094 | ||
1095 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1096 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1097 | dst->msec = cpu_to_le64(src->msec); | |
1098 | } | |
1099 | ||
1100 | void fio_server_send_du(void) | |
1101 | { | |
1102 | struct disk_util *du; | |
1103 | struct flist_head *entry; | |
1104 | struct cmd_du_pdu pdu; | |
1105 | ||
1106 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1107 | ||
0766d92e JA |
1108 | memset(&pdu, 0, sizeof(pdu)); |
1109 | ||
d09a64a0 JA |
1110 | flist_for_each(entry, &disk_list) { |
1111 | du = flist_entry(entry, struct disk_util, list); | |
1112 | ||
1113 | convert_dus(&pdu.dus, &du->dus); | |
1114 | convert_agg(&pdu.agg, &du->agg); | |
1115 | ||
40c60516 | 1116 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1117 | } |
1118 | } | |
1119 | ||
53bd8dbc JA |
1120 | /* |
1121 | * Send a command with a separate PDU, not inlined in the command | |
1122 | */ | |
1123 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1124 | off_t size, uint64_t tag, uint32_t flags) | |
1125 | { | |
1126 | struct fio_net_cmd cmd; | |
1127 | struct iovec iov[2]; | |
1128 | ||
1129 | iov[0].iov_base = &cmd; | |
1130 | iov[0].iov_len = sizeof(cmd); | |
1131 | iov[1].iov_base = (void *) buf; | |
1132 | iov[1].iov_len = size; | |
1133 | ||
1134 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1135 | cmd.flags = __cpu_to_le32(flags); | |
1136 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1137 | ||
8c95307b | 1138 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1139 | } |
1140 | ||
3989b143 | 1141 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1142 | { |
3989b143 JA |
1143 | int ret = 0; |
1144 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1145 | z_stream stream; |
1146 | void *out_pdu; | |
1b42725f JA |
1147 | |
1148 | /* | |
1149 | * Dirty - since the log is potentially huge, compress it into | |
1150 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1151 | * side defragment it. | |
1152 | */ | |
1153 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1154 | ||
1155 | stream.zalloc = Z_NULL; | |
1156 | stream.zfree = Z_NULL; | |
1157 | stream.opaque = Z_NULL; | |
1158 | ||
1159 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1160 | ret = 1; |
1161 | goto err; | |
1b42725f JA |
1162 | } |
1163 | ||
f5ed765a JA |
1164 | stream.next_in = (void *) log->log; |
1165 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1166 | |
1167 | do { | |
53bd8dbc JA |
1168 | unsigned int this_len, flags = 0; |
1169 | int ret; | |
1b42725f JA |
1170 | |
1171 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1172 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1173 | ret = deflate(&stream, Z_FINISH); |
1174 | /* may be Z_OK, or Z_STREAM_END */ | |
1175 | if (ret < 0) | |
1176 | goto err_zlib; | |
1b42725f JA |
1177 | |
1178 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1179 | ||
1b42725f | 1180 | if (stream.avail_in) |
53bd8dbc | 1181 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1182 | |
53bd8dbc JA |
1183 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1184 | out_pdu, this_len, 0, flags); | |
1185 | if (ret) | |
1186 | goto err_zlib; | |
1b42725f JA |
1187 | } while (stream.avail_in); |
1188 | ||
53bd8dbc | 1189 | err_zlib: |
1b42725f | 1190 | deflateEnd(&stream); |
53bd8dbc JA |
1191 | err: |
1192 | free(out_pdu); | |
3989b143 | 1193 | #endif |
53bd8dbc | 1194 | return ret; |
1b42725f JA |
1195 | } |
1196 | ||
3989b143 JA |
1197 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1198 | { | |
1199 | struct cmd_iolog_pdu pdu; | |
1200 | int i, ret = 0; | |
1201 | ||
1202 | pdu.thread_number = cpu_to_le32(td->thread_number); | |
1203 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); | |
1204 | pdu.log_type = cpu_to_le32(log->log_type); | |
1205 | pdu.compressed = cpu_to_le32(use_zlib); | |
1206 | strcpy((char *) pdu.name, name); | |
1207 | ||
1208 | for (i = 0; i < log->nr_samples; i++) { | |
1209 | struct io_sample *s = &log->log[i]; | |
1210 | ||
1211 | s->time = cpu_to_le64(s->time); | |
1212 | s->val = cpu_to_le64(s->val); | |
1213 | s->ddir = cpu_to_le32(s->ddir); | |
1214 | s->bs = cpu_to_le32(s->bs); | |
1215 | } | |
1216 | ||
1217 | /* | |
1218 | * Send header first, it's not compressed. | |
1219 | */ | |
1220 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1221 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1222 | if (ret) | |
1223 | return ret; | |
1224 | ||
1225 | /* | |
1226 | * Now send actual log, compress if we can, otherwise just plain | |
1227 | */ | |
1228 | if (use_zlib) | |
1229 | return fio_send_iolog_gz(&pdu, log); | |
1230 | ||
1231 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
1232 | log->nr_samples * sizeof(struct io_sample), 0, 0); | |
1233 | } | |
1234 | ||
2f122b13 | 1235 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1236 | { |
1237 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1238 | |
731e30a2 | 1239 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1240 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1241 | pdu.groupid = cpu_to_le32(td->groupid); | |
1242 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1243 | |
40c60516 | 1244 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1245 | } |
1246 | ||
122c7725 JA |
1247 | void fio_server_send_start(struct thread_data *td) |
1248 | { | |
1249 | assert(server_fd != -1); | |
1250 | ||
1251 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1252 | } | |
1253 | ||
87aa8f19 | 1254 | static int fio_init_server_ip(void) |
81179eec | 1255 | { |
811826be | 1256 | struct sockaddr *addr; |
67bf9823 | 1257 | socklen_t socklen; |
87aa8f19 | 1258 | int sk, opt; |
81179eec | 1259 | |
811826be JA |
1260 | if (use_ipv6) |
1261 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1262 | else | |
1263 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1264 | ||
81179eec JA |
1265 | if (sk < 0) { |
1266 | log_err("fio: socket: %s\n", strerror(errno)); | |
1267 | return -1; | |
1268 | } | |
1269 | ||
1270 | opt = 1; | |
1f81991e | 1271 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1272 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1273 | close(sk); |
81179eec JA |
1274 | return -1; |
1275 | } | |
1276 | #ifdef SO_REUSEPORT | |
6eb24791 | 1277 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1278 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1279 | close(sk); |
81179eec JA |
1280 | return -1; |
1281 | } | |
1282 | #endif | |
1283 | ||
811826be JA |
1284 | if (use_ipv6) { |
1285 | addr = (struct sockaddr *) &saddr_in6; | |
1286 | socklen = sizeof(saddr_in6); | |
1287 | saddr_in6.sin6_family = AF_INET6; | |
1288 | } else { | |
1289 | addr = (struct sockaddr *) &saddr_in; | |
1290 | socklen = sizeof(saddr_in); | |
1291 | saddr_in.sin_family = AF_INET; | |
1292 | } | |
81179eec | 1293 | |
811826be | 1294 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1295 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1296 | close(sk); |
81179eec JA |
1297 | return -1; |
1298 | } | |
1299 | ||
87aa8f19 JA |
1300 | return sk; |
1301 | } | |
1302 | ||
1303 | static int fio_init_server_sock(void) | |
1304 | { | |
1305 | struct sockaddr_un addr; | |
67bf9823 | 1306 | socklen_t len; |
87aa8f19 JA |
1307 | mode_t mode; |
1308 | int sk; | |
1309 | ||
1310 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1311 | if (sk < 0) { | |
1312 | log_err("fio: socket: %s\n", strerror(errno)); | |
1313 | return -1; | |
1314 | } | |
1315 | ||
1316 | mode = umask(000); | |
1317 | ||
1318 | memset(&addr, 0, sizeof(addr)); | |
1319 | addr.sun_family = AF_UNIX; | |
1320 | strcpy(addr.sun_path, bind_sock); | |
1321 | unlink(bind_sock); | |
1322 | ||
1323 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1324 | ||
1325 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1326 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1327 | close(sk); |
87aa8f19 JA |
1328 | return -1; |
1329 | } | |
1330 | ||
1331 | umask(mode); | |
1332 | return sk; | |
1333 | } | |
1334 | ||
1335 | static int fio_init_server_connection(void) | |
1336 | { | |
bebe6398 | 1337 | char bind_str[128]; |
87aa8f19 JA |
1338 | int sk; |
1339 | ||
1340 | dprint(FD_NET, "starting server\n"); | |
1341 | ||
1342 | if (!bind_sock) | |
1343 | sk = fio_init_server_ip(); | |
1344 | else | |
1345 | sk = fio_init_server_sock(); | |
1346 | ||
1347 | if (sk < 0) | |
1348 | return sk; | |
1349 | ||
811826be JA |
1350 | if (!bind_sock) { |
1351 | char *p, port[16]; | |
1352 | const void *src; | |
1353 | int af; | |
1354 | ||
1355 | if (use_ipv6) { | |
1356 | af = AF_INET6; | |
1357 | src = &saddr_in6.sin6_addr; | |
1358 | } else { | |
1359 | af = AF_INET; | |
1360 | src = &saddr_in.sin_addr; | |
1361 | } | |
1362 | ||
1363 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1364 | ||
1365 | sprintf(port, ",%u", fio_net_port); | |
1366 | if (p) | |
1367 | strcat(p, port); | |
1368 | else | |
1369 | strcpy(bind_str, port); | |
1370 | } else | |
bebe6398 JA |
1371 | strcpy(bind_str, bind_sock); |
1372 | ||
1373 | log_info("fio: server listening on %s\n", bind_str); | |
1374 | ||
89c1707c | 1375 | if (listen(sk, 0) < 0) { |
81179eec JA |
1376 | log_err("fio: listen: %s\n", strerror(errno)); |
1377 | return -1; | |
1378 | } | |
1379 | ||
87aa8f19 JA |
1380 | return sk; |
1381 | } | |
1382 | ||
3ec62ec4 JA |
1383 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1384 | struct in6_addr *inp6) | |
1385 | ||
1386 | { | |
1387 | int ret = 0; | |
1388 | ||
1389 | if (*ipv6) | |
1390 | ret = inet_pton(AF_INET6, host, inp6); | |
1391 | else | |
1392 | ret = inet_pton(AF_INET, host, inp); | |
1393 | ||
1394 | if (ret != 1) { | |
1395 | struct hostent *hent; | |
1396 | ||
1397 | hent = gethostbyname(host); | |
1398 | if (!hent) { | |
1399 | log_err("fio: failed to resolve <%s>\n", host); | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | if (*ipv6) { | |
1404 | if (hent->h_addrtype != AF_INET6) { | |
1405 | log_info("fio: falling back to IPv4\n"); | |
1406 | *ipv6 = 0; | |
1407 | } else | |
1408 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1409 | } | |
1410 | if (!*ipv6) { | |
1411 | if (hent->h_addrtype != AF_INET) { | |
1412 | log_err("fio: lookup type mismatch\n"); | |
1413 | return 0; | |
1414 | } | |
1415 | memcpy(inp, hent->h_addr_list[0], 4); | |
1416 | } | |
1417 | ret = 1; | |
1418 | } | |
1419 | ||
1420 | return !(ret == 1); | |
1421 | } | |
1422 | ||
660a2bfb JA |
1423 | /* |
1424 | * Parse a host/ip/port string. Reads from 'str'. | |
1425 | * | |
1426 | * Outputs: | |
1427 | * | |
1428 | * For IPv4: | |
1429 | * *ptr is the host, *port is the port, inp is the destination. | |
1430 | * For IPv6: | |
1431 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1432 | * For local domain sockets: | |
1433 | * *ptr is the filename, *is_sock is 1. | |
1434 | */ | |
bebe6398 | 1435 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1436 | int *port, struct in_addr *inp, |
1437 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1438 | { |
76867621 JA |
1439 | const char *host = str; |
1440 | char *portp; | |
3ec62ec4 | 1441 | int lport = 0; |
76867621 | 1442 | |
bebe6398 JA |
1443 | *ptr = NULL; |
1444 | *is_sock = 0; | |
6d2cf394 | 1445 | *port = fio_net_port; |
811826be | 1446 | *ipv6 = 0; |
bebe6398 JA |
1447 | |
1448 | if (!strncmp(str, "sock:", 5)) { | |
1449 | *ptr = strdup(str + 5); | |
1450 | *is_sock = 1; | |
76867621 JA |
1451 | |
1452 | return 0; | |
1453 | } | |
1454 | ||
1455 | /* | |
1456 | * Is it ip:<ip or host>:port | |
1457 | */ | |
1458 | if (!strncmp(host, "ip:", 3)) | |
1459 | host += 3; | |
1460 | else if (!strncmp(host, "ip4:", 4)) | |
1461 | host += 4; | |
1462 | else if (!strncmp(host, "ip6:", 4)) { | |
1463 | host += 4; | |
1464 | *ipv6 = 1; | |
1465 | } else if (host[0] == ':') { | |
1466 | /* String is :port */ | |
1467 | host++; | |
1468 | lport = atoi(host); | |
1469 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1470 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1471 | return 1; |
1472 | } | |
1473 | /* no hostname given, we are done */ | |
1474 | *port = lport; | |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | /* | |
1479 | * If no port seen yet, check if there's a last ':' at the end | |
1480 | */ | |
1481 | if (!lport) { | |
1482 | portp = strchr(host, ','); | |
1483 | if (portp) { | |
1484 | *portp = '\0'; | |
1485 | portp++; | |
1486 | lport = atoi(portp); | |
bebe6398 | 1487 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1488 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1489 | return 1; |
1490 | } | |
bebe6398 | 1491 | } |
76867621 | 1492 | } |
bebe6398 | 1493 | |
76867621 JA |
1494 | if (lport) |
1495 | *port = lport; | |
bebe6398 | 1496 | |
76867621 JA |
1497 | if (!strlen(host)) |
1498 | return 0; | |
bebe6398 | 1499 | |
76867621 | 1500 | *ptr = strdup(host); |
811826be | 1501 | |
3ec62ec4 JA |
1502 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1503 | free(*ptr); | |
1504 | *ptr = NULL; | |
1505 | return 1; | |
bebe6398 JA |
1506 | } |
1507 | ||
1508 | if (*port == 0) | |
1509 | *port = fio_net_port; | |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
87aa8f19 JA |
1514 | /* |
1515 | * Server arg should be one of: | |
1516 | * | |
1517 | * sock:/path/to/socket | |
1518 | * ip:1.2.3.4 | |
1519 | * 1.2.3.4 | |
1520 | * | |
1521 | * Where sock uses unix domain sockets, and ip binds the server to | |
1522 | * a specific interface. If no arguments are given to the server, it | |
1523 | * uses IP and binds to 0.0.0.0. | |
1524 | * | |
1525 | */ | |
1526 | static int fio_handle_server_arg(void) | |
1527 | { | |
6d2cf394 | 1528 | int port = fio_net_port; |
a7de0a11 | 1529 | int is_sock, ret = 0; |
bebe6398 | 1530 | |
87aa8f19 JA |
1531 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1532 | ||
1533 | if (!fio_server_arg) | |
a7de0a11 | 1534 | goto out; |
87aa8f19 | 1535 | |
4e5b8fb8 | 1536 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1537 | &port, &saddr_in.sin_addr, |
1538 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1539 | |
1540 | if (!is_sock && bind_sock) { | |
1541 | free(bind_sock); | |
1542 | bind_sock = NULL; | |
1543 | } | |
1544 | ||
a7de0a11 | 1545 | out: |
6d2cf394 JA |
1546 | fio_net_port = port; |
1547 | saddr_in.sin_port = htons(port); | |
811826be | 1548 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1549 | return ret; |
87aa8f19 JA |
1550 | } |
1551 | ||
1552 | static int fio_server(void) | |
1553 | { | |
1554 | int sk, ret; | |
1555 | ||
1556 | dprint(FD_NET, "starting server\n"); | |
1557 | ||
1558 | if (fio_handle_server_arg()) | |
1559 | return -1; | |
1560 | ||
1561 | sk = fio_init_server_connection(); | |
1562 | if (sk < 0) | |
1563 | return -1; | |
81179eec JA |
1564 | |
1565 | ret = accept_loop(sk); | |
87aa8f19 | 1566 | |
81179eec | 1567 | close(sk); |
87aa8f19 JA |
1568 | |
1569 | if (fio_server_arg) { | |
1570 | free(fio_server_arg); | |
1571 | fio_server_arg = NULL; | |
1572 | } | |
bebe6398 JA |
1573 | if (bind_sock) |
1574 | free(bind_sock); | |
87aa8f19 | 1575 | |
81179eec JA |
1576 | return ret; |
1577 | } | |
1578 | ||
7b821684 | 1579 | void fio_server_got_signal(int signal) |
9abea48b | 1580 | { |
7b821684 JA |
1581 | if (signal == SIGPIPE) |
1582 | server_fd = -1; | |
1583 | else { | |
1584 | log_info("\nfio: terminating on signal %d\n", signal); | |
1585 | exit_backend = 1; | |
1586 | } | |
9abea48b JA |
1587 | } |
1588 | ||
13755d94 JA |
1589 | static int check_existing_pidfile(const char *pidfile) |
1590 | { | |
1591 | struct stat sb; | |
1592 | char buf[16]; | |
1593 | pid_t pid; | |
1594 | FILE *f; | |
1595 | ||
1596 | if (stat(pidfile, &sb)) | |
1597 | return 0; | |
1598 | ||
1599 | f = fopen(pidfile, "r"); | |
1600 | if (!f) | |
1601 | return 0; | |
1602 | ||
bfc3b179 | 1603 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1604 | fclose(f); |
1605 | return 1; | |
1606 | } | |
1607 | fclose(f); | |
1608 | ||
1609 | pid = atoi(buf); | |
1610 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1611 | return errno != ESRCH; |
13755d94 JA |
1612 | |
1613 | return 1; | |
1614 | } | |
1615 | ||
1616 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1617 | { |
1618 | FILE *fpid; | |
1619 | ||
1620 | fpid = fopen(pidfile, "w"); | |
1621 | if (!fpid) { | |
1622 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1623 | return 1; |
402668f3 JA |
1624 | } |
1625 | ||
1626 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1627 | fclose(fpid); |
1628 | return 0; | |
402668f3 JA |
1629 | } |
1630 | ||
1631 | /* | |
1632 | * If pidfile is specified, background us. | |
1633 | */ | |
1634 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1635 | { |
1636 | pid_t pid; | |
402668f3 | 1637 | int ret; |
e46d8091 | 1638 | |
93bcfd20 | 1639 | #if defined(WIN32) |
905c78b9 | 1640 | WSADATA wsd; |
3c3ed070 | 1641 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1642 | #endif |
1643 | ||
402668f3 | 1644 | if (!pidfile) |
e46d8091 JA |
1645 | return fio_server(); |
1646 | ||
13755d94 JA |
1647 | if (check_existing_pidfile(pidfile)) { |
1648 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1649 | pidfile); | |
1650 | return -1; | |
1651 | } | |
1652 | ||
e46d8091 JA |
1653 | pid = fork(); |
1654 | if (pid < 0) { | |
13755d94 | 1655 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1656 | free(pidfile); |
c28e8e8c | 1657 | return -1; |
402668f3 | 1658 | } else if (pid) { |
13755d94 JA |
1659 | int ret = write_pid(pid, pidfile); |
1660 | ||
1661 | exit(ret); | |
402668f3 | 1662 | } |
e46d8091 JA |
1663 | |
1664 | setsid(); | |
13755d94 JA |
1665 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1666 | log_syslog = 1; | |
e46d8091 JA |
1667 | close(STDIN_FILENO); |
1668 | close(STDOUT_FILENO); | |
1669 | close(STDERR_FILENO); | |
1670 | f_out = NULL; | |
1671 | f_err = NULL; | |
402668f3 JA |
1672 | |
1673 | ret = fio_server(); | |
1674 | ||
1675 | closelog(); | |
1676 | unlink(pidfile); | |
1677 | free(pidfile); | |
1678 | return ret; | |
e46d8091 | 1679 | } |
87aa8f19 | 1680 | |
bebe6398 | 1681 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1682 | { |
1683 | fio_server_arg = strdup(arg); | |
1684 | } |