Commit | Line | Data |
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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
142575e6 | 3 | #include <stdarg.h> |
50d16976 JA |
4 | #include <unistd.h> |
5 | #include <limits.h> | |
50d16976 JA |
6 | #include <errno.h> |
7 | #include <fcntl.h> | |
8 | #include <sys/poll.h> | |
50d16976 JA |
9 | #include <sys/types.h> |
10 | #include <sys/wait.h> | |
d05c4a03 | 11 | #include <sys/socket.h> |
87aa8f19 JA |
12 | #include <sys/stat.h> |
13 | #include <sys/un.h> | |
50d16976 JA |
14 | #include <netinet/in.h> |
15 | #include <arpa/inet.h> | |
16 | #include <netdb.h> | |
e46d8091 | 17 | #include <syslog.h> |
9e22ecb0 | 18 | #include <signal.h> |
1b42725f | 19 | #include <zlib.h> |
50d16976 JA |
20 | |
21 | #include "fio.h" | |
132159a5 | 22 | #include "server.h" |
fcee5ff6 | 23 | #include "crc/crc16.h" |
c7c6cb4c | 24 | #include "lib/ieee754.h" |
89cf1480 JA |
25 | |
26 | #include "fio_version.h" | |
50d16976 | 27 | |
5adc2447 | 28 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 29 | |
009b1be4 JA |
30 | int exit_backend = 0; |
31 | ||
46c48f1f | 32 | static int server_fd = -1; |
87aa8f19 JA |
33 | static char *fio_server_arg; |
34 | static char *bind_sock; | |
35 | static struct sockaddr_in saddr_in; | |
811826be | 36 | static struct sockaddr_in6 saddr_in6; |
811826be | 37 | static int use_ipv6; |
37db14fe | 38 | |
122c7725 JA |
39 | struct fio_fork_item { |
40 | struct flist_head list; | |
41 | int exitval; | |
42 | int signal; | |
43 | int exited; | |
44 | pid_t pid; | |
45 | }; | |
46 | ||
47 | /* Created on fork on new connection */ | |
48 | static FLIST_HEAD(conn_list); | |
49 | ||
50 | /* Created on job fork from connection */ | |
51 | static FLIST_HEAD(job_list); | |
52 | ||
89c1707c JA |
53 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
54 | "", | |
55 | "QUIT", | |
56 | "EXIT", | |
57 | "JOB", | |
58 | "JOBLINE", | |
59 | "TEXT", | |
60 | "TS", | |
61 | "GS", | |
62 | "SEND_ETA", | |
63 | "ETA", | |
64 | "PROBE", | |
65 | "START", | |
d09a64a0 JA |
66 | "STOP", |
67 | "DISK_UTIL", | |
b9d2f30a | 68 | "SERVER_START", |
807f9971 | 69 | "ADD_JOB", |
b9d2f30a | 70 | "CMD_RUN" |
c70e63e5 | 71 | "CMD_IOLOG", |
89c1707c JA |
72 | }; |
73 | ||
74 | const char *fio_server_op(unsigned int op) | |
75 | { | |
76 | static char buf[32]; | |
77 | ||
78 | if (op < FIO_NET_CMD_NR) | |
79 | return fio_server_ops[op]; | |
80 | ||
81 | sprintf(buf, "UNKNOWN/%d", op); | |
82 | return buf; | |
83 | } | |
84 | ||
5235f626 | 85 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 86 | { |
5235f626 | 87 | ssize_t ret = 0; |
794d69ca | 88 | |
5235f626 JA |
89 | while (count--) { |
90 | ret += iov->iov_len; | |
91 | iov++; | |
92 | } | |
93 | ||
94 | return ret; | |
95 | } | |
132159a5 | 96 | |
5235f626 JA |
97 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
98 | { | |
99 | ssize_t total_len = iov_total_len(iov, count); | |
100 | ssize_t ret; | |
101 | ||
102 | do { | |
103 | ret = writev(sk, iov, count); | |
132159a5 | 104 | if (ret > 0) { |
5235f626 JA |
105 | total_len -= ret; |
106 | if (!total_len) | |
132159a5 | 107 | break; |
5235f626 JA |
108 | |
109 | while (ret) { | |
110 | if (ret >= iov->iov_len) { | |
111 | ret -= iov->iov_len; | |
112 | iov++; | |
113 | continue; | |
114 | } | |
115 | iov->iov_base += ret; | |
116 | iov->iov_len -= ret; | |
117 | ret = 0; | |
118 | } | |
132159a5 JA |
119 | } else if (!ret) |
120 | break; | |
121 | else if (errno == EAGAIN || errno == EINTR) | |
122 | continue; | |
7b821684 JA |
123 | else |
124 | break; | |
132159a5 JA |
125 | } while (!exit_backend); |
126 | ||
5235f626 | 127 | if (!total_len) |
132159a5 JA |
128 | return 0; |
129 | ||
8b4e61b2 JA |
130 | if (errno) |
131 | return -errno; | |
132 | ||
132159a5 JA |
133 | return 1; |
134 | } | |
135 | ||
5235f626 JA |
136 | int fio_send_data(int sk, const void *p, unsigned int len) |
137 | { | |
138 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
139 | ||
140 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
141 | ||
142 | return fio_sendv_data(sk, &iov, 1); | |
143 | } | |
144 | ||
132159a5 JA |
145 | int fio_recv_data(int sk, void *p, unsigned int len) |
146 | { | |
147 | do { | |
148 | int ret = recv(sk, p, len, MSG_WAITALL); | |
149 | ||
150 | if (ret > 0) { | |
151 | len -= ret; | |
152 | if (!len) | |
153 | break; | |
154 | p += ret; | |
155 | continue; | |
156 | } else if (!ret) | |
157 | break; | |
158 | else if (errno == EAGAIN || errno == EINTR) | |
159 | continue; | |
7b821684 JA |
160 | else |
161 | break; | |
132159a5 JA |
162 | } while (!exit_backend); |
163 | ||
164 | if (!len) | |
165 | return 0; | |
166 | ||
167 | return -1; | |
168 | } | |
169 | ||
170 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
171 | { | |
fcee5ff6 | 172 | uint16_t crc; |
132159a5 | 173 | |
fcee5ff6 JA |
174 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
175 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 176 | |
25dfa848 | 177 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 178 | if (crc != cmd->cmd_crc16) { |
132159a5 | 179 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 180 | cmd->cmd_crc16, crc); |
132159a5 JA |
181 | return 1; |
182 | } | |
183 | ||
184 | cmd->version = le16_to_cpu(cmd->version); | |
185 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
186 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 187 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
188 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
189 | ||
190 | switch (cmd->version) { | |
fa2ea806 | 191 | case FIO_SERVER_VER: |
132159a5 JA |
192 | break; |
193 | default: | |
194 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
195 | return 1; | |
196 | } | |
197 | ||
b9d2f30a | 198 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
199 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
200 | return 1; | |
201 | } | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
a64e88da JA |
206 | /* |
207 | * Read (and defragment, if necessary) incoming commands | |
208 | */ | |
e951bdc4 | 209 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 210 | { |
a64e88da JA |
211 | struct fio_net_cmd cmd, *cmdret = NULL; |
212 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 213 | uint16_t crc; |
a64e88da JA |
214 | int ret, first = 1; |
215 | void *pdu = NULL; | |
132159a5 | 216 | |
a64e88da JA |
217 | do { |
218 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
219 | if (ret) | |
220 | break; | |
132159a5 | 221 | |
a64e88da JA |
222 | /* We have a command, verify it and swap if need be */ |
223 | ret = verify_convert_cmd(&cmd); | |
224 | if (ret) | |
225 | break; | |
132159a5 | 226 | |
0b8f30a5 JA |
227 | if (first) { |
228 | /* if this is text, add room for \0 at the end */ | |
229 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
230 | assert(!cmdret); | |
231 | } else | |
a64e88da | 232 | cmd_size += cmd.pdu_len; |
132159a5 | 233 | |
a64e88da | 234 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 235 | |
a64e88da JA |
236 | if (first) |
237 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
238 | else if (cmdret->opcode != cmd.opcode) { |
239 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
240 | cmdret->opcode, cmd.opcode); | |
241 | ret = 1; | |
242 | break; | |
243 | } | |
a64e88da JA |
244 | |
245 | if (!cmd.pdu_len) | |
246 | break; | |
247 | ||
248 | /* There's payload, get it */ | |
249 | pdu = (void *) cmdret->payload + pdu_offset; | |
250 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
251 | if (ret) | |
252 | break; | |
253 | ||
254 | /* Verify payload crc */ | |
25dfa848 | 255 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
256 | if (crc != cmd.pdu_crc16) { |
257 | log_err("fio: server bad crc on payload "); | |
258 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
259 | ret = 1; | |
260 | break; | |
261 | } | |
262 | ||
263 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
264 | if (!first) |
265 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
266 | first = 0; |
267 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 268 | |
a64e88da JA |
269 | if (ret) { |
270 | free(cmdret); | |
271 | cmdret = NULL; | |
0b8f30a5 JA |
272 | } else if (cmdret) { |
273 | /* zero-terminate text input */ | |
084d1c6f JA |
274 | if (cmdret->pdu_len) { |
275 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
276 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
277 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 278 | |
084d1c6f JA |
279 | buf[pdu->buf_len ] = '\0'; |
280 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { | |
46bcd498 JA |
281 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
282 | char *buf = (char *) pdu->buf; | |
283 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 284 | |
46bcd498 | 285 | buf[len] = '\0'; |
084d1c6f | 286 | } |
0b8f30a5 | 287 | } |
084d1c6f | 288 | |
0b8f30a5 | 289 | /* frag flag is internal */ |
a64e88da | 290 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 291 | } |
a64e88da JA |
292 | |
293 | return cmdret; | |
132159a5 JA |
294 | } |
295 | ||
53bd8dbc | 296 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
297 | { |
298 | uint32_t pdu_len; | |
299 | ||
25dfa848 | 300 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
301 | |
302 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
303 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
304 | } | |
305 | ||
306 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
307 | { | |
308 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
309 | } |
310 | ||
af9c9fb3 JA |
311 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
312 | uint64_t tag) | |
794d69ca | 313 | { |
7f868316 JA |
314 | struct fio_net_cmd *cmd = NULL; |
315 | size_t this_len, cur_len = 0; | |
794d69ca JA |
316 | int ret; |
317 | ||
318 | do { | |
319 | this_len = size; | |
b9d2f30a JA |
320 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
321 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 322 | |
7f868316 JA |
323 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
324 | if (cmd) | |
325 | free(cmd); | |
326 | ||
327 | cur_len = sizeof(*cmd) + this_len; | |
328 | cmd = malloc(cur_len); | |
329 | } | |
794d69ca | 330 | |
af9c9fb3 | 331 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
332 | |
333 | if (this_len < size) | |
ddcc0b69 | 334 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
335 | |
336 | fio_net_cmd_crc(cmd); | |
337 | ||
338 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
339 | size -= this_len; |
340 | buf += this_len; | |
341 | } while (!ret && size); | |
342 | ||
7f868316 JA |
343 | if (cmd) |
344 | free(cmd); | |
345 | ||
794d69ca JA |
346 | return ret; |
347 | } | |
348 | ||
89c1707c | 349 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 350 | { |
178cde9f | 351 | struct fio_net_cmd cmd; |
132159a5 | 352 | |
af9c9fb3 | 353 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
354 | fio_net_cmd_crc(&cmd); |
355 | ||
356 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
357 | } | |
358 | ||
89c1707c JA |
359 | /* |
360 | * If 'list' is non-NULL, then allocate and store the sent command for | |
361 | * later verification. | |
362 | */ | |
363 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
364 | struct flist_head *list) | |
365 | { | |
366 | struct fio_net_int_cmd *cmd; | |
367 | int ret; | |
368 | ||
369 | if (!list) | |
370 | return fio_net_send_simple_stack_cmd(sk, opcode, tag); | |
371 | ||
372 | cmd = malloc(sizeof(*cmd)); | |
373 | ||
df380934 | 374 | fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uintptr_t) cmd); |
89c1707c JA |
375 | fio_net_cmd_crc(&cmd->cmd); |
376 | ||
377 | INIT_FLIST_HEAD(&cmd->list); | |
378 | gettimeofday(&cmd->tv, NULL); | |
379 | cmd->saved_tag = tag; | |
380 | ||
381 | ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd)); | |
382 | if (ret) { | |
383 | free(cmd); | |
384 | return ret; | |
385 | } | |
386 | ||
387 | flist_add_tail(&cmd->list, list); | |
388 | return 0; | |
389 | } | |
390 | ||
122c7725 | 391 | int fio_net_send_quit(int sk) |
437377e1 | 392 | { |
46c48f1f | 393 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 394 | |
8c95307b | 395 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
396 | } |
397 | ||
122c7725 | 398 | int fio_net_send_stop(int sk, int error, int signal) |
132159a5 | 399 | { |
11e950bd | 400 | struct cmd_end_pdu epdu; |
122c7725 JA |
401 | |
402 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
403 | ||
404 | epdu.error = __cpu_to_le32(error); | |
405 | epdu.signal = __cpu_to_le32(signal); | |
8c95307b | 406 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0); |
122c7725 JA |
407 | } |
408 | ||
409 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
410 | { | |
411 | struct fio_fork_item *ffi; | |
412 | ||
413 | ffi = malloc(sizeof(*ffi)); | |
414 | ffi->exitval = 0; | |
415 | ffi->signal = 0; | |
416 | ffi->exited = 0; | |
417 | ffi->pid = pid; | |
418 | flist_add_tail(&ffi->list, list); | |
419 | } | |
420 | ||
421 | static void fio_server_add_conn_pid(pid_t pid) | |
422 | { | |
423 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", pid); | |
424 | fio_server_add_fork_item(pid, &conn_list); | |
425 | } | |
426 | ||
427 | static void fio_server_add_job_pid(pid_t pid) | |
428 | { | |
429 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", pid); | |
430 | fio_server_add_fork_item(pid, &job_list); | |
431 | } | |
432 | ||
433 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
434 | { | |
435 | int ret, status; | |
436 | ||
437 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
438 | if (ret < 0) { | |
439 | if (errno == ECHILD) { | |
440 | log_err("fio: connection pid %u disappeared\n", ffi->pid); | |
441 | ffi->exited = 1; | |
442 | } else | |
443 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
444 | } else if (ret == ffi->pid) { | |
445 | if (WIFSIGNALED(status)) { | |
446 | ffi->signal = WTERMSIG(status); | |
447 | ffi->exited = 1; | |
448 | } | |
449 | if (WIFEXITED(status)) { | |
450 | if (WEXITSTATUS(status)) | |
451 | ffi->exitval = WEXITSTATUS(status); | |
452 | ffi->exited = 1; | |
453 | } | |
454 | } | |
455 | } | |
456 | ||
457 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
458 | { | |
459 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", ffi->pid, ffi->signal, ffi->exitval); | |
460 | ||
461 | /* | |
462 | * Fold STOP and QUIT... | |
463 | */ | |
464 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
465 | fio_net_send_quit(server_fd); | |
466 | flist_del(&ffi->list); | |
467 | free(ffi); | |
468 | } | |
469 | ||
470 | static void fio_server_check_fork_items(struct flist_head *list, int bla) | |
471 | { | |
472 | struct flist_head *entry, *tmp; | |
473 | struct fio_fork_item *ffi; | |
474 | ||
475 | flist_for_each_safe(entry, tmp, list) { | |
476 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
477 | ||
478 | fio_server_check_fork_item(ffi); | |
479 | ||
480 | if (ffi->exited) | |
481 | fio_server_fork_item_done(ffi); | |
482 | } | |
483 | } | |
484 | ||
485 | static void fio_server_check_jobs(void) | |
486 | { | |
487 | fio_server_check_fork_items(&job_list, 0); | |
488 | } | |
489 | ||
490 | static void fio_server_check_conns(void) | |
491 | { | |
492 | fio_server_check_fork_items(&conn_list, 1); | |
493 | } | |
494 | ||
495 | static int handle_run_cmd(struct fio_net_cmd *cmd) | |
496 | { | |
497 | pid_t pid; | |
a64e88da | 498 | int ret; |
132159a5 | 499 | |
122c7725 | 500 | set_genesis_time(); |
11e950bd | 501 | |
122c7725 JA |
502 | pid = fork(); |
503 | if (pid) { | |
504 | fio_server_add_job_pid(pid); | |
505 | return 0; | |
506 | } | |
11e950bd | 507 | |
122c7725 JA |
508 | ret = fio_backend(); |
509 | _exit(ret); | |
81179eec JA |
510 | } |
511 | ||
b9d2f30a JA |
512 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
513 | { | |
46bcd498 JA |
514 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
515 | void *buf = pdu->buf; | |
b9d2f30a JA |
516 | struct cmd_start_pdu spdu; |
517 | ||
46bcd498 JA |
518 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
519 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
520 | ||
521 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 522 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
523 | return -1; |
524 | } | |
525 | ||
526 | spdu.jobs = cpu_to_le32(thread_number); | |
527 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); | |
528 | return 0; | |
529 | } | |
530 | ||
81179eec JA |
531 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
532 | { | |
fa2ea806 JA |
533 | void *pdu = cmd->payload; |
534 | struct cmd_single_line_pdu *cslp; | |
535 | struct cmd_line_pdu *clp; | |
536 | unsigned long offset; | |
b9d2f30a | 537 | struct cmd_start_pdu spdu; |
fa2ea806 | 538 | char **argv; |
b9d2f30a | 539 | int i; |
81179eec | 540 | |
fa2ea806 JA |
541 | clp = pdu; |
542 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 543 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
544 | argv = malloc(clp->lines * sizeof(char *)); |
545 | offset = sizeof(*clp); | |
81179eec | 546 | |
fa2ea806 | 547 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 548 | |
fa2ea806 JA |
549 | for (i = 0; i < clp->lines; i++) { |
550 | cslp = pdu + offset; | |
551 | argv[i] = (char *) cslp->text; | |
552 | ||
553 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
554 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
555 | } | |
81179eec | 556 | |
46bcd498 | 557 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 558 | fio_net_send_quit(server_fd); |
fa2ea806 | 559 | free(argv); |
81179eec | 560 | return -1; |
e6d1c668 | 561 | } |
81179eec | 562 | |
fa2ea806 JA |
563 | free(argv); |
564 | ||
b9d2f30a JA |
565 | spdu.jobs = cpu_to_le32(thread_number); |
566 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); | |
567 | return 0; | |
132159a5 JA |
568 | } |
569 | ||
c28e8e8c JA |
570 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
571 | { | |
572 | struct cmd_probe_pdu probe; | |
573 | ||
89c1707c JA |
574 | dprint(FD_NET, "server: sending probe reply\n"); |
575 | ||
c28e8e8c JA |
576 | memset(&probe, 0, sizeof(probe)); |
577 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
6eb24791 JA |
578 | #ifdef FIO_BIG_ENDIAN |
579 | probe.bigendian = 1; | |
580 | #endif | |
81179eec JA |
581 | probe.fio_major = FIO_MAJOR; |
582 | probe.fio_minor = FIO_MINOR; | |
583 | probe.fio_patch = FIO_PATCH; | |
c28e8e8c | 584 | |
cca84643 JA |
585 | probe.os = FIO_OS; |
586 | probe.arch = FIO_ARCH; | |
587 | ||
38fdef22 JA |
588 | probe.bpp = sizeof(void *); |
589 | ||
89c1707c | 590 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag); |
af9c9fb3 JA |
591 | } |
592 | ||
593 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
594 | { | |
595 | struct jobs_eta *je; | |
596 | size_t size; | |
af9c9fb3 JA |
597 | int i; |
598 | ||
b814fb26 JA |
599 | if (!thread_number) |
600 | return 0; | |
601 | ||
602 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
603 | je = malloc(size); |
604 | memset(je, 0, size); | |
af9c9fb3 JA |
605 | |
606 | if (!calc_thread_status(je, 1)) { | |
607 | free(je); | |
608 | return 0; | |
609 | } | |
610 | ||
611 | dprint(FD_NET, "server sending status\n"); | |
612 | ||
613 | je->nr_running = cpu_to_le32(je->nr_running); | |
614 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
615 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
616 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 JA |
617 | |
618 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
619 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
620 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
621 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
622 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
af9c9fb3 JA |
623 | je->rate[i] = cpu_to_le32(je->rate[i]); |
624 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
625 | } | |
626 | ||
c1970b90 | 627 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 628 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 629 | je->nr_threads = cpu_to_le32(je->nr_threads); |
af9c9fb3 | 630 | |
7f868316 | 631 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag); |
af9c9fb3 JA |
632 | free(je); |
633 | return 0; | |
c28e8e8c JA |
634 | } |
635 | ||
132159a5 JA |
636 | static int handle_command(struct fio_net_cmd *cmd) |
637 | { | |
638 | int ret; | |
639 | ||
89c1707c JA |
640 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", |
641 | fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); | |
46c48f1f | 642 | |
132159a5 JA |
643 | switch (cmd->opcode) { |
644 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 645 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 646 | return -1; |
d7959186 | 647 | case FIO_NET_CMD_EXIT: |
132159a5 | 648 | exit_backend = 1; |
c28e8e8c | 649 | return -1; |
132159a5 | 650 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 651 | ret = handle_job_cmd(cmd); |
132159a5 | 652 | break; |
81179eec JA |
653 | case FIO_NET_CMD_JOBLINE: |
654 | ret = handle_jobline_cmd(cmd); | |
655 | break; | |
c28e8e8c JA |
656 | case FIO_NET_CMD_PROBE: |
657 | ret = handle_probe_cmd(cmd); | |
658 | break; | |
af9c9fb3 JA |
659 | case FIO_NET_CMD_SEND_ETA: |
660 | ret = handle_send_eta_cmd(cmd); | |
661 | break; | |
b9d2f30a JA |
662 | case FIO_NET_CMD_RUN: |
663 | ret = handle_run_cmd(cmd); | |
664 | break; | |
132159a5 | 665 | default: |
89c1707c | 666 | log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode)); |
132159a5 JA |
667 | ret = 1; |
668 | } | |
669 | ||
670 | return ret; | |
671 | } | |
672 | ||
122c7725 | 673 | static int handle_connection(int sk) |
132159a5 JA |
674 | { |
675 | struct fio_net_cmd *cmd = NULL; | |
676 | int ret = 0; | |
677 | ||
122c7725 JA |
678 | reset_fio_state(); |
679 | INIT_FLIST_HEAD(&job_list); | |
680 | server_fd = sk; | |
681 | ||
132159a5 JA |
682 | /* read forever */ |
683 | while (!exit_backend) { | |
e951bdc4 JA |
684 | struct pollfd pfd = { |
685 | .fd = sk, | |
686 | .events = POLLIN, | |
687 | }; | |
688 | ||
689 | ret = 0; | |
690 | do { | |
691 | ret = poll(&pfd, 1, 100); | |
692 | if (ret < 0) { | |
693 | if (errno == EINTR) | |
694 | break; | |
695 | log_err("fio: poll: %s\n", strerror(errno)); | |
696 | break; | |
19c65179 | 697 | } else if (!ret) { |
122c7725 | 698 | fio_server_check_jobs(); |
e951bdc4 | 699 | continue; |
19c65179 | 700 | } |
e951bdc4 JA |
701 | |
702 | if (pfd.revents & POLLIN) | |
703 | break; | |
704 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
705 | ret = 1; | |
706 | break; | |
707 | } | |
19c65179 | 708 | } while (!exit_backend); |
e951bdc4 | 709 | |
122c7725 JA |
710 | fio_server_check_jobs(); |
711 | ||
e951bdc4 JA |
712 | if (ret < 0) |
713 | break; | |
714 | ||
715 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 716 | if (!cmd) { |
c28e8e8c | 717 | ret = -1; |
132159a5 JA |
718 | break; |
719 | } | |
720 | ||
132159a5 JA |
721 | ret = handle_command(cmd); |
722 | if (ret) | |
723 | break; | |
724 | ||
725 | free(cmd); | |
c77a99e7 | 726 | cmd = NULL; |
132159a5 JA |
727 | } |
728 | ||
729 | if (cmd) | |
730 | free(cmd); | |
731 | ||
122c7725 JA |
732 | close(sk); |
733 | _exit(ret); | |
cc0df00a JA |
734 | } |
735 | ||
50d16976 JA |
736 | static int accept_loop(int listen_sk) |
737 | { | |
bb447a27 | 738 | struct sockaddr_in addr; |
5ba13ea6 | 739 | fio_socklen_t len = sizeof(addr); |
009b1be4 | 740 | struct pollfd pfd; |
122c7725 | 741 | int ret = 0, sk, flags, exitval = 0; |
50d16976 | 742 | |
60efd14e JA |
743 | dprint(FD_NET, "server enter accept loop\n"); |
744 | ||
009b1be4 JA |
745 | flags = fcntl(listen_sk, F_GETFL); |
746 | flags |= O_NONBLOCK; | |
747 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 748 | |
122c7725 JA |
749 | while (!exit_backend) { |
750 | pid_t pid; | |
009b1be4 | 751 | |
122c7725 JA |
752 | pfd.fd = listen_sk; |
753 | pfd.events = POLLIN; | |
754 | do { | |
755 | ret = poll(&pfd, 1, 100); | |
756 | if (ret < 0) { | |
757 | if (errno == EINTR) | |
758 | break; | |
759 | log_err("fio: poll: %s\n", strerror(errno)); | |
760 | break; | |
761 | } else if (!ret) { | |
762 | fio_server_check_conns(); | |
763 | continue; | |
764 | } | |
009b1be4 | 765 | |
122c7725 JA |
766 | if (pfd.revents & POLLIN) |
767 | break; | |
768 | } while (!exit_backend); | |
50d16976 | 769 | |
122c7725 | 770 | fio_server_check_conns(); |
46c48f1f | 771 | |
122c7725 JA |
772 | if (exit_backend || ret < 0) |
773 | break; | |
774 | ||
775 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
776 | if (sk < 0) { | |
777 | log_err("fio: accept: %s\n", strerror(errno)); | |
778 | return -1; | |
779 | } | |
37db14fe | 780 | |
122c7725 | 781 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
50d16976 | 782 | |
122c7725 JA |
783 | pid = fork(); |
784 | if (pid) { | |
785 | close(sk); | |
786 | fio_server_add_conn_pid(pid); | |
787 | continue; | |
788 | } | |
5c341e9a | 789 | |
122c7725 JA |
790 | /* exits */ |
791 | handle_connection(sk); | |
792 | } | |
5c341e9a | 793 | |
132159a5 | 794 | return exitval; |
50d16976 JA |
795 | } |
796 | ||
084d1c6f | 797 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 798 | { |
084d1c6f JA |
799 | struct cmd_text_pdu *pdu; |
800 | unsigned int tlen; | |
801 | struct timeval tv; | |
802 | ||
803 | if (server_fd == -1) | |
804 | return log_local_buf(buf, len); | |
805 | ||
806 | tlen = sizeof(*pdu) + len; | |
807 | pdu = malloc(tlen); | |
808 | ||
809 | pdu->level = __cpu_to_le32(level); | |
810 | pdu->buf_len = __cpu_to_le32(len); | |
811 | ||
812 | gettimeofday(&tv, NULL); | |
813 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
814 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 815 | |
084d1c6f JA |
816 | memcpy(pdu->buf, buf, len); |
817 | ||
818 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, 0); | |
819 | free(pdu); | |
820 | return len; | |
142575e6 JA |
821 | } |
822 | ||
a64e88da JA |
823 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
824 | { | |
825 | dst->max_val = cpu_to_le64(src->max_val); | |
826 | dst->min_val = cpu_to_le64(src->min_val); | |
827 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
828 | |
829 | /* | |
830 | * Encode to IEEE 754 for network transfer | |
831 | */ | |
832 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
833 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
834 | } |
835 | ||
836 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
837 | { | |
838 | int i; | |
839 | ||
840 | for (i = 0; i < 2; i++) { | |
841 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
842 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
843 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
844 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
845 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
846 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
847 | } | |
848 | ||
849 | dst->kb_base = cpu_to_le32(src->kb_base); | |
850 | dst->groupid = cpu_to_le32(src->groupid); | |
851 | } | |
852 | ||
853 | /* | |
854 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
855 | * into a single payload. | |
856 | */ | |
857 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
858 | { | |
859 | struct cmd_ts_pdu p; | |
860 | int i, j; | |
861 | ||
60efd14e JA |
862 | dprint(FD_NET, "server sending end stats\n"); |
863 | ||
317b3c8b JA |
864 | memset(&p, 0, sizeof(p)); |
865 | ||
a64e88da JA |
866 | strcpy(p.ts.name, ts->name); |
867 | strcpy(p.ts.verror, ts->verror); | |
868 | strcpy(p.ts.description, ts->description); | |
869 | ||
2f122b13 JA |
870 | p.ts.error = cpu_to_le32(ts->error); |
871 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
872 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
873 | p.ts.pid = cpu_to_le32(ts->pid); | |
874 | p.ts.members = cpu_to_le32(ts->members); | |
a64e88da JA |
875 | |
876 | for (i = 0; i < 2; i++) { | |
877 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
878 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
879 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
880 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
881 | } | |
882 | ||
883 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
884 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
885 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
886 | p.ts.minf = cpu_to_le64(ts->minf); | |
887 | p.ts.majf = cpu_to_le64(ts->majf); | |
888 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
889 | |
890 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
891 | fio_fp64_t *src = &ts->percentile_list[i]; |
892 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 893 | |
cfc03e46 | 894 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 895 | } |
a64e88da JA |
896 | |
897 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
898 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
899 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
900 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
901 | } | |
902 | ||
903 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
904 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
905 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
906 | } | |
907 | ||
908 | for (i = 0; i < 2; i++) | |
909 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
910 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
911 | ||
912 | for (i = 0; i < 3; i++) { | |
913 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 914 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
915 | } |
916 | ||
93eee04a | 917 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
918 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
919 | ||
920 | for (i = 0; i < 2; i++) { | |
921 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
922 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
923 | } | |
924 | ||
925 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
926 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
927 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
928 | p.ts.first_error = cpu_to_le32(ts->first_error); |
929 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
930 | |
931 | convert_gs(&p.rs, rs); | |
932 | ||
af9c9fb3 | 933 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0); |
a64e88da JA |
934 | } |
935 | ||
936 | void fio_server_send_gs(struct group_run_stats *rs) | |
937 | { | |
938 | struct group_run_stats gs; | |
939 | ||
60efd14e JA |
940 | dprint(FD_NET, "server sending group run stats\n"); |
941 | ||
a64e88da | 942 | convert_gs(&gs, rs); |
af9c9fb3 | 943 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0); |
cf451d1e JA |
944 | } |
945 | ||
d09a64a0 JA |
946 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
947 | { | |
948 | int i; | |
949 | ||
950 | for (i = 0; i < 2; i++) { | |
951 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
952 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
953 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
954 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
955 | } | |
956 | ||
957 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
958 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
959 | dst->slavecount = cpu_to_le32(src->slavecount); | |
960 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
961 | } | |
962 | ||
963 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
964 | { | |
965 | int i; | |
966 | ||
967 | strcpy((char *) dst->name, (char *) src->name); | |
968 | ||
969 | for (i = 0; i < 2; i++) { | |
970 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
971 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
972 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
973 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
974 | } | |
975 | ||
976 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
977 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
978 | dst->msec = cpu_to_le64(src->msec); | |
979 | } | |
980 | ||
981 | void fio_server_send_du(void) | |
982 | { | |
983 | struct disk_util *du; | |
984 | struct flist_head *entry; | |
985 | struct cmd_du_pdu pdu; | |
986 | ||
987 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
988 | ||
0766d92e JA |
989 | memset(&pdu, 0, sizeof(pdu)); |
990 | ||
d09a64a0 JA |
991 | flist_for_each(entry, &disk_list) { |
992 | du = flist_entry(entry, struct disk_util, list); | |
993 | ||
994 | convert_dus(&pdu.dus, &du->dus); | |
995 | convert_agg(&pdu.agg, &du->agg); | |
996 | ||
997 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), 0); | |
998 | } | |
999 | } | |
1000 | ||
53bd8dbc JA |
1001 | /* |
1002 | * Send a command with a separate PDU, not inlined in the command | |
1003 | */ | |
1004 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1005 | off_t size, uint64_t tag, uint32_t flags) | |
1006 | { | |
1007 | struct fio_net_cmd cmd; | |
1008 | struct iovec iov[2]; | |
1009 | ||
1010 | iov[0].iov_base = &cmd; | |
1011 | iov[0].iov_len = sizeof(cmd); | |
1012 | iov[1].iov_base = (void *) buf; | |
1013 | iov[1].iov_len = size; | |
1014 | ||
1015 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1016 | cmd.flags = __cpu_to_le32(flags); | |
1017 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1018 | ||
8c95307b | 1019 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1020 | } |
1021 | ||
1b42725f JA |
1022 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1023 | { | |
f5ed765a | 1024 | struct cmd_iolog_pdu pdu; |
1b42725f JA |
1025 | z_stream stream; |
1026 | void *out_pdu; | |
53bd8dbc | 1027 | int i, ret = 0; |
1b42725f | 1028 | |
2f122b13 | 1029 | pdu.thread_number = cpu_to_le32(td->thread_number); |
f5ed765a JA |
1030 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); |
1031 | pdu.log_type = cpu_to_le32(log->log_type); | |
1032 | strcpy((char *) pdu.name, name); | |
1b42725f JA |
1033 | |
1034 | for (i = 0; i < log->nr_samples; i++) { | |
f5ed765a | 1035 | struct io_sample *s = &log->log[i]; |
1b42725f | 1036 | |
f5ed765a JA |
1037 | s->time = cpu_to_le64(s->time); |
1038 | s->val = cpu_to_le64(s->val); | |
1039 | s->ddir = cpu_to_le32(s->ddir); | |
1040 | s->bs = cpu_to_le32(s->bs); | |
1b42725f JA |
1041 | } |
1042 | ||
1043 | /* | |
1044 | * Dirty - since the log is potentially huge, compress it into | |
1045 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1046 | * side defragment it. | |
1047 | */ | |
1048 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1049 | ||
1050 | stream.zalloc = Z_NULL; | |
1051 | stream.zfree = Z_NULL; | |
1052 | stream.opaque = Z_NULL; | |
1053 | ||
1054 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1055 | ret = 1; |
1056 | goto err; | |
1b42725f JA |
1057 | } |
1058 | ||
1059 | /* | |
f5ed765a | 1060 | * Send header first, it's not compressed. |
1b42725f | 1061 | */ |
53bd8dbc JA |
1062 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, |
1063 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1064 | if (ret) | |
1065 | goto err_zlib; | |
1b42725f | 1066 | |
f5ed765a JA |
1067 | stream.next_in = (void *) log->log; |
1068 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1069 | |
1070 | do { | |
53bd8dbc JA |
1071 | unsigned int this_len, flags = 0; |
1072 | int ret; | |
1b42725f JA |
1073 | |
1074 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1075 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1076 | ret = deflate(&stream, Z_FINISH); |
1077 | /* may be Z_OK, or Z_STREAM_END */ | |
1078 | if (ret < 0) | |
1079 | goto err_zlib; | |
1b42725f JA |
1080 | |
1081 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1082 | ||
1b42725f | 1083 | if (stream.avail_in) |
53bd8dbc | 1084 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1085 | |
53bd8dbc JA |
1086 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1087 | out_pdu, this_len, 0, flags); | |
1088 | if (ret) | |
1089 | goto err_zlib; | |
1b42725f JA |
1090 | } while (stream.avail_in); |
1091 | ||
53bd8dbc | 1092 | err_zlib: |
1b42725f | 1093 | deflateEnd(&stream); |
53bd8dbc JA |
1094 | err: |
1095 | free(out_pdu); | |
1096 | return ret; | |
1b42725f JA |
1097 | } |
1098 | ||
2f122b13 | 1099 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1100 | { |
1101 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1102 | |
731e30a2 | 1103 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1104 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1105 | pdu.groupid = cpu_to_le32(td->groupid); | |
1106 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 JA |
1107 | |
1108 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0); | |
1109 | } | |
1110 | ||
122c7725 JA |
1111 | void fio_server_send_start(struct thread_data *td) |
1112 | { | |
1113 | assert(server_fd != -1); | |
1114 | ||
1115 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1116 | } | |
1117 | ||
87aa8f19 | 1118 | static int fio_init_server_ip(void) |
81179eec | 1119 | { |
811826be JA |
1120 | struct sockaddr *addr; |
1121 | fio_socklen_t socklen; | |
87aa8f19 | 1122 | int sk, opt; |
81179eec | 1123 | |
811826be JA |
1124 | if (use_ipv6) |
1125 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1126 | else | |
1127 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1128 | ||
81179eec JA |
1129 | if (sk < 0) { |
1130 | log_err("fio: socket: %s\n", strerror(errno)); | |
1131 | return -1; | |
1132 | } | |
1133 | ||
1134 | opt = 1; | |
1135 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
1136 | log_err("fio: setsockopt: %s\n", strerror(errno)); | |
b94cba47 | 1137 | close(sk); |
81179eec JA |
1138 | return -1; |
1139 | } | |
1140 | #ifdef SO_REUSEPORT | |
6eb24791 | 1141 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1142 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1143 | close(sk); |
81179eec JA |
1144 | return -1; |
1145 | } | |
1146 | #endif | |
1147 | ||
811826be JA |
1148 | if (use_ipv6) { |
1149 | addr = (struct sockaddr *) &saddr_in6; | |
1150 | socklen = sizeof(saddr_in6); | |
1151 | saddr_in6.sin6_family = AF_INET6; | |
1152 | } else { | |
1153 | addr = (struct sockaddr *) &saddr_in; | |
1154 | socklen = sizeof(saddr_in); | |
1155 | saddr_in.sin_family = AF_INET; | |
1156 | } | |
81179eec | 1157 | |
811826be | 1158 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1159 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 1160 | close(sk); |
81179eec JA |
1161 | return -1; |
1162 | } | |
1163 | ||
87aa8f19 JA |
1164 | return sk; |
1165 | } | |
1166 | ||
1167 | static int fio_init_server_sock(void) | |
1168 | { | |
1169 | struct sockaddr_un addr; | |
1170 | fio_socklen_t len; | |
1171 | mode_t mode; | |
1172 | int sk; | |
1173 | ||
1174 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1175 | if (sk < 0) { | |
1176 | log_err("fio: socket: %s\n", strerror(errno)); | |
1177 | return -1; | |
1178 | } | |
1179 | ||
1180 | mode = umask(000); | |
1181 | ||
1182 | memset(&addr, 0, sizeof(addr)); | |
1183 | addr.sun_family = AF_UNIX; | |
1184 | strcpy(addr.sun_path, bind_sock); | |
1185 | unlink(bind_sock); | |
1186 | ||
1187 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1188 | ||
1189 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1190 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1191 | close(sk); |
87aa8f19 JA |
1192 | return -1; |
1193 | } | |
1194 | ||
1195 | umask(mode); | |
1196 | return sk; | |
1197 | } | |
1198 | ||
1199 | static int fio_init_server_connection(void) | |
1200 | { | |
bebe6398 | 1201 | char bind_str[128]; |
87aa8f19 JA |
1202 | int sk; |
1203 | ||
1204 | dprint(FD_NET, "starting server\n"); | |
1205 | ||
1206 | if (!bind_sock) | |
1207 | sk = fio_init_server_ip(); | |
1208 | else | |
1209 | sk = fio_init_server_sock(); | |
1210 | ||
1211 | if (sk < 0) | |
1212 | return sk; | |
1213 | ||
811826be JA |
1214 | if (!bind_sock) { |
1215 | char *p, port[16]; | |
1216 | const void *src; | |
1217 | int af; | |
1218 | ||
1219 | if (use_ipv6) { | |
1220 | af = AF_INET6; | |
1221 | src = &saddr_in6.sin6_addr; | |
1222 | } else { | |
1223 | af = AF_INET; | |
1224 | src = &saddr_in.sin_addr; | |
1225 | } | |
1226 | ||
1227 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1228 | ||
1229 | sprintf(port, ",%u", fio_net_port); | |
1230 | if (p) | |
1231 | strcat(p, port); | |
1232 | else | |
1233 | strcpy(bind_str, port); | |
1234 | } else | |
bebe6398 JA |
1235 | strcpy(bind_str, bind_sock); |
1236 | ||
1237 | log_info("fio: server listening on %s\n", bind_str); | |
1238 | ||
89c1707c | 1239 | if (listen(sk, 0) < 0) { |
81179eec JA |
1240 | log_err("fio: listen: %s\n", strerror(errno)); |
1241 | return -1; | |
1242 | } | |
1243 | ||
87aa8f19 JA |
1244 | return sk; |
1245 | } | |
1246 | ||
3ec62ec4 JA |
1247 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
1248 | struct in6_addr *inp6) | |
1249 | ||
1250 | { | |
1251 | int ret = 0; | |
1252 | ||
1253 | if (*ipv6) | |
1254 | ret = inet_pton(AF_INET6, host, inp6); | |
1255 | else | |
1256 | ret = inet_pton(AF_INET, host, inp); | |
1257 | ||
1258 | if (ret != 1) { | |
1259 | struct hostent *hent; | |
1260 | ||
1261 | hent = gethostbyname(host); | |
1262 | if (!hent) { | |
1263 | log_err("fio: failed to resolve <%s>\n", host); | |
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | if (*ipv6) { | |
1268 | if (hent->h_addrtype != AF_INET6) { | |
1269 | log_info("fio: falling back to IPv4\n"); | |
1270 | *ipv6 = 0; | |
1271 | } else | |
1272 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1273 | } | |
1274 | if (!*ipv6) { | |
1275 | if (hent->h_addrtype != AF_INET) { | |
1276 | log_err("fio: lookup type mismatch\n"); | |
1277 | return 0; | |
1278 | } | |
1279 | memcpy(inp, hent->h_addr_list[0], 4); | |
1280 | } | |
1281 | ret = 1; | |
1282 | } | |
1283 | ||
1284 | return !(ret == 1); | |
1285 | } | |
1286 | ||
660a2bfb JA |
1287 | /* |
1288 | * Parse a host/ip/port string. Reads from 'str'. | |
1289 | * | |
1290 | * Outputs: | |
1291 | * | |
1292 | * For IPv4: | |
1293 | * *ptr is the host, *port is the port, inp is the destination. | |
1294 | * For IPv6: | |
1295 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1296 | * For local domain sockets: | |
1297 | * *ptr is the filename, *is_sock is 1. | |
1298 | */ | |
bebe6398 | 1299 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1300 | int *port, struct in_addr *inp, |
1301 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1302 | { |
76867621 JA |
1303 | const char *host = str; |
1304 | char *portp; | |
3ec62ec4 | 1305 | int lport = 0; |
76867621 | 1306 | |
bebe6398 JA |
1307 | *ptr = NULL; |
1308 | *is_sock = 0; | |
6d2cf394 | 1309 | *port = fio_net_port; |
811826be | 1310 | *ipv6 = 0; |
bebe6398 JA |
1311 | |
1312 | if (!strncmp(str, "sock:", 5)) { | |
1313 | *ptr = strdup(str + 5); | |
1314 | *is_sock = 1; | |
76867621 JA |
1315 | |
1316 | return 0; | |
1317 | } | |
1318 | ||
1319 | /* | |
1320 | * Is it ip:<ip or host>:port | |
1321 | */ | |
1322 | if (!strncmp(host, "ip:", 3)) | |
1323 | host += 3; | |
1324 | else if (!strncmp(host, "ip4:", 4)) | |
1325 | host += 4; | |
1326 | else if (!strncmp(host, "ip6:", 4)) { | |
1327 | host += 4; | |
1328 | *ipv6 = 1; | |
1329 | } else if (host[0] == ':') { | |
1330 | /* String is :port */ | |
1331 | host++; | |
1332 | lport = atoi(host); | |
1333 | if (!lport || lport > 65535) { | |
1334 | log_err("fio: bad server port %u\n", port); | |
1335 | return 1; | |
1336 | } | |
1337 | /* no hostname given, we are done */ | |
1338 | *port = lport; | |
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * If no port seen yet, check if there's a last ':' at the end | |
1344 | */ | |
1345 | if (!lport) { | |
1346 | portp = strchr(host, ','); | |
1347 | if (portp) { | |
1348 | *portp = '\0'; | |
1349 | portp++; | |
1350 | lport = atoi(portp); | |
bebe6398 JA |
1351 | if (!lport || lport > 65535) { |
1352 | log_err("fio: bad server port %u\n", port); | |
1353 | return 1; | |
1354 | } | |
bebe6398 | 1355 | } |
76867621 | 1356 | } |
bebe6398 | 1357 | |
76867621 JA |
1358 | if (lport) |
1359 | *port = lport; | |
bebe6398 | 1360 | |
76867621 JA |
1361 | if (!strlen(host)) |
1362 | return 0; | |
bebe6398 | 1363 | |
76867621 | 1364 | *ptr = strdup(host); |
811826be | 1365 | |
3ec62ec4 JA |
1366 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1367 | free(*ptr); | |
1368 | *ptr = NULL; | |
1369 | return 1; | |
bebe6398 JA |
1370 | } |
1371 | ||
1372 | if (*port == 0) | |
1373 | *port = fio_net_port; | |
1374 | ||
1375 | return 0; | |
1376 | } | |
1377 | ||
87aa8f19 JA |
1378 | /* |
1379 | * Server arg should be one of: | |
1380 | * | |
1381 | * sock:/path/to/socket | |
1382 | * ip:1.2.3.4 | |
1383 | * 1.2.3.4 | |
1384 | * | |
1385 | * Where sock uses unix domain sockets, and ip binds the server to | |
1386 | * a specific interface. If no arguments are given to the server, it | |
1387 | * uses IP and binds to 0.0.0.0. | |
1388 | * | |
1389 | */ | |
1390 | static int fio_handle_server_arg(void) | |
1391 | { | |
6d2cf394 | 1392 | int port = fio_net_port; |
a7de0a11 | 1393 | int is_sock, ret = 0; |
bebe6398 | 1394 | |
87aa8f19 JA |
1395 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1396 | ||
1397 | if (!fio_server_arg) | |
a7de0a11 | 1398 | goto out; |
87aa8f19 | 1399 | |
4e5b8fb8 | 1400 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1401 | &port, &saddr_in.sin_addr, |
1402 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1403 | |
1404 | if (!is_sock && bind_sock) { | |
1405 | free(bind_sock); | |
1406 | bind_sock = NULL; | |
1407 | } | |
1408 | ||
a7de0a11 | 1409 | out: |
6d2cf394 JA |
1410 | fio_net_port = port; |
1411 | saddr_in.sin_port = htons(port); | |
811826be | 1412 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1413 | return ret; |
87aa8f19 JA |
1414 | } |
1415 | ||
1416 | static int fio_server(void) | |
1417 | { | |
1418 | int sk, ret; | |
1419 | ||
1420 | dprint(FD_NET, "starting server\n"); | |
1421 | ||
1422 | if (fio_handle_server_arg()) | |
1423 | return -1; | |
1424 | ||
1425 | sk = fio_init_server_connection(); | |
1426 | if (sk < 0) | |
1427 | return -1; | |
81179eec JA |
1428 | |
1429 | ret = accept_loop(sk); | |
87aa8f19 | 1430 | |
81179eec | 1431 | close(sk); |
87aa8f19 JA |
1432 | |
1433 | if (fio_server_arg) { | |
1434 | free(fio_server_arg); | |
1435 | fio_server_arg = NULL; | |
1436 | } | |
bebe6398 JA |
1437 | if (bind_sock) |
1438 | free(bind_sock); | |
87aa8f19 | 1439 | |
81179eec JA |
1440 | return ret; |
1441 | } | |
1442 | ||
7b821684 | 1443 | void fio_server_got_signal(int signal) |
9abea48b | 1444 | { |
7b821684 JA |
1445 | if (signal == SIGPIPE) |
1446 | server_fd = -1; | |
1447 | else { | |
1448 | log_info("\nfio: terminating on signal %d\n", signal); | |
1449 | exit_backend = 1; | |
1450 | } | |
9abea48b JA |
1451 | } |
1452 | ||
13755d94 JA |
1453 | static int check_existing_pidfile(const char *pidfile) |
1454 | { | |
1455 | struct stat sb; | |
1456 | char buf[16]; | |
1457 | pid_t pid; | |
1458 | FILE *f; | |
1459 | ||
1460 | if (stat(pidfile, &sb)) | |
1461 | return 0; | |
1462 | ||
1463 | f = fopen(pidfile, "r"); | |
1464 | if (!f) | |
1465 | return 0; | |
1466 | ||
bfc3b179 | 1467 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1468 | fclose(f); |
1469 | return 1; | |
1470 | } | |
1471 | fclose(f); | |
1472 | ||
1473 | pid = atoi(buf); | |
1474 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1475 | return errno != ESRCH; |
13755d94 JA |
1476 | |
1477 | return 1; | |
1478 | } | |
1479 | ||
1480 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1481 | { |
1482 | FILE *fpid; | |
1483 | ||
1484 | fpid = fopen(pidfile, "w"); | |
1485 | if (!fpid) { | |
1486 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1487 | return 1; |
402668f3 JA |
1488 | } |
1489 | ||
1490 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1491 | fclose(fpid); |
1492 | return 0; | |
402668f3 JA |
1493 | } |
1494 | ||
1495 | /* | |
1496 | * If pidfile is specified, background us. | |
1497 | */ | |
1498 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1499 | { |
1500 | pid_t pid; | |
402668f3 | 1501 | int ret; |
e46d8091 | 1502 | |
93bcfd20 | 1503 | #if defined(WIN32) |
905c78b9 JA |
1504 | WSADATA wsd; |
1505 | WSAStartup(MAKEWORD(2,2), &wsd); | |
93bcfd20 BC |
1506 | #endif |
1507 | ||
402668f3 | 1508 | if (!pidfile) |
e46d8091 JA |
1509 | return fio_server(); |
1510 | ||
13755d94 JA |
1511 | if (check_existing_pidfile(pidfile)) { |
1512 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1513 | pidfile); | |
1514 | return -1; | |
1515 | } | |
1516 | ||
e46d8091 JA |
1517 | pid = fork(); |
1518 | if (pid < 0) { | |
13755d94 | 1519 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1520 | free(pidfile); |
c28e8e8c | 1521 | return -1; |
402668f3 | 1522 | } else if (pid) { |
13755d94 JA |
1523 | int ret = write_pid(pid, pidfile); |
1524 | ||
1525 | exit(ret); | |
402668f3 | 1526 | } |
e46d8091 JA |
1527 | |
1528 | setsid(); | |
13755d94 JA |
1529 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1530 | log_syslog = 1; | |
e46d8091 JA |
1531 | close(STDIN_FILENO); |
1532 | close(STDOUT_FILENO); | |
1533 | close(STDERR_FILENO); | |
1534 | f_out = NULL; | |
1535 | f_err = NULL; | |
402668f3 JA |
1536 | |
1537 | ret = fio_server(); | |
1538 | ||
1539 | closelog(); | |
1540 | unlink(pidfile); | |
1541 | free(pidfile); | |
1542 | return ret; | |
e46d8091 | 1543 | } |
87aa8f19 | 1544 | |
bebe6398 | 1545 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1546 | { |
1547 | fio_server_arg = strdup(arg); | |
1548 | } |