Commit | Line | Data |
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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
142575e6 | 3 | #include <stdarg.h> |
50d16976 JA |
4 | #include <unistd.h> |
5 | #include <limits.h> | |
50d16976 JA |
6 | #include <errno.h> |
7 | #include <fcntl.h> | |
8 | #include <sys/poll.h> | |
50d16976 JA |
9 | #include <sys/types.h> |
10 | #include <sys/wait.h> | |
d05c4a03 | 11 | #include <sys/socket.h> |
87aa8f19 JA |
12 | #include <sys/stat.h> |
13 | #include <sys/un.h> | |
1f51bba9 | 14 | #include <sys/uio.h> |
50d16976 JA |
15 | #include <netinet/in.h> |
16 | #include <arpa/inet.h> | |
17 | #include <netdb.h> | |
e46d8091 | 18 | #include <syslog.h> |
9e22ecb0 | 19 | #include <signal.h> |
3989b143 | 20 | #ifdef CONFIG_ZLIB |
1b42725f | 21 | #include <zlib.h> |
3989b143 | 22 | #endif |
50d16976 JA |
23 | |
24 | #include "fio.h" | |
132159a5 | 25 | #include "server.h" |
fcee5ff6 | 26 | #include "crc/crc16.h" |
c7c6cb4c | 27 | #include "lib/ieee754.h" |
89cf1480 | 28 | |
5adc2447 | 29 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 30 | |
009b1be4 JA |
31 | int exit_backend = 0; |
32 | ||
46c48f1f | 33 | static int server_fd = -1; |
87aa8f19 JA |
34 | static char *fio_server_arg; |
35 | static char *bind_sock; | |
36 | static struct sockaddr_in saddr_in; | |
811826be | 37 | static struct sockaddr_in6 saddr_in6; |
811826be | 38 | static int use_ipv6; |
3989b143 JA |
39 | #ifdef CONFIG_ZLIB |
40 | static unsigned int has_zlib = 1; | |
41 | #else | |
42 | static unsigned int has_zlib = 0; | |
43 | #endif | |
44 | static unsigned int use_zlib; | |
37db14fe | 45 | |
122c7725 JA |
46 | struct fio_fork_item { |
47 | struct flist_head list; | |
48 | int exitval; | |
49 | int signal; | |
50 | int exited; | |
51 | pid_t pid; | |
52 | }; | |
53 | ||
89c1707c JA |
54 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
55 | "", | |
56 | "QUIT", | |
57 | "EXIT", | |
58 | "JOB", | |
59 | "JOBLINE", | |
60 | "TEXT", | |
61 | "TS", | |
62 | "GS", | |
63 | "SEND_ETA", | |
64 | "ETA", | |
65 | "PROBE", | |
66 | "START", | |
d09a64a0 JA |
67 | "STOP", |
68 | "DISK_UTIL", | |
b9d2f30a | 69 | "SERVER_START", |
807f9971 | 70 | "ADD_JOB", |
b9d2f30a | 71 | "CMD_RUN" |
c70e63e5 | 72 | "CMD_IOLOG", |
89c1707c JA |
73 | }; |
74 | ||
75 | const char *fio_server_op(unsigned int op) | |
76 | { | |
77 | static char buf[32]; | |
78 | ||
79 | if (op < FIO_NET_CMD_NR) | |
80 | return fio_server_ops[op]; | |
81 | ||
82 | sprintf(buf, "UNKNOWN/%d", op); | |
83 | return buf; | |
84 | } | |
85 | ||
5235f626 | 86 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 87 | { |
5235f626 | 88 | ssize_t ret = 0; |
794d69ca | 89 | |
5235f626 JA |
90 | while (count--) { |
91 | ret += iov->iov_len; | |
92 | iov++; | |
93 | } | |
94 | ||
95 | return ret; | |
96 | } | |
132159a5 | 97 | |
5235f626 JA |
98 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
99 | { | |
100 | ssize_t total_len = iov_total_len(iov, count); | |
101 | ssize_t ret; | |
102 | ||
103 | do { | |
104 | ret = writev(sk, iov, count); | |
132159a5 | 105 | if (ret > 0) { |
5235f626 JA |
106 | total_len -= ret; |
107 | if (!total_len) | |
132159a5 | 108 | break; |
5235f626 JA |
109 | |
110 | while (ret) { | |
111 | if (ret >= iov->iov_len) { | |
112 | ret -= iov->iov_len; | |
113 | iov++; | |
114 | continue; | |
115 | } | |
116 | iov->iov_base += ret; | |
117 | iov->iov_len -= ret; | |
118 | ret = 0; | |
119 | } | |
132159a5 JA |
120 | } else if (!ret) |
121 | break; | |
122 | else if (errno == EAGAIN || errno == EINTR) | |
123 | continue; | |
7b821684 JA |
124 | else |
125 | break; | |
132159a5 JA |
126 | } while (!exit_backend); |
127 | ||
5235f626 | 128 | if (!total_len) |
132159a5 JA |
129 | return 0; |
130 | ||
8b4e61b2 JA |
131 | if (errno) |
132 | return -errno; | |
133 | ||
132159a5 JA |
134 | return 1; |
135 | } | |
136 | ||
5235f626 JA |
137 | int fio_send_data(int sk, const void *p, unsigned int len) |
138 | { | |
139 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
140 | ||
141 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
142 | ||
143 | return fio_sendv_data(sk, &iov, 1); | |
144 | } | |
145 | ||
132159a5 JA |
146 | int fio_recv_data(int sk, void *p, unsigned int len) |
147 | { | |
148 | do { | |
149 | int ret = recv(sk, p, len, MSG_WAITALL); | |
150 | ||
151 | if (ret > 0) { | |
152 | len -= ret; | |
153 | if (!len) | |
154 | break; | |
155 | p += ret; | |
156 | continue; | |
157 | } else if (!ret) | |
158 | break; | |
159 | else if (errno == EAGAIN || errno == EINTR) | |
160 | continue; | |
7b821684 JA |
161 | else |
162 | break; | |
132159a5 JA |
163 | } while (!exit_backend); |
164 | ||
165 | if (!len) | |
166 | return 0; | |
167 | ||
168 | return -1; | |
169 | } | |
170 | ||
171 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
172 | { | |
fcee5ff6 | 173 | uint16_t crc; |
132159a5 | 174 | |
fcee5ff6 JA |
175 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
176 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 177 | |
25dfa848 | 178 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 179 | if (crc != cmd->cmd_crc16) { |
132159a5 | 180 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 181 | cmd->cmd_crc16, crc); |
132159a5 JA |
182 | return 1; |
183 | } | |
184 | ||
185 | cmd->version = le16_to_cpu(cmd->version); | |
186 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
187 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 188 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
189 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
190 | ||
191 | switch (cmd->version) { | |
fa2ea806 | 192 | case FIO_SERVER_VER: |
132159a5 JA |
193 | break; |
194 | default: | |
195 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
196 | return 1; | |
197 | } | |
198 | ||
b9d2f30a | 199 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
200 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
201 | return 1; | |
202 | } | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
a64e88da JA |
207 | /* |
208 | * Read (and defragment, if necessary) incoming commands | |
209 | */ | |
e951bdc4 | 210 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 211 | { |
a64e88da JA |
212 | struct fio_net_cmd cmd, *cmdret = NULL; |
213 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 214 | uint16_t crc; |
a64e88da JA |
215 | int ret, first = 1; |
216 | void *pdu = NULL; | |
132159a5 | 217 | |
a64e88da JA |
218 | do { |
219 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
220 | if (ret) | |
221 | break; | |
132159a5 | 222 | |
a64e88da JA |
223 | /* We have a command, verify it and swap if need be */ |
224 | ret = verify_convert_cmd(&cmd); | |
225 | if (ret) | |
226 | break; | |
132159a5 | 227 | |
0b8f30a5 JA |
228 | if (first) { |
229 | /* if this is text, add room for \0 at the end */ | |
230 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
231 | assert(!cmdret); | |
232 | } else | |
a64e88da | 233 | cmd_size += cmd.pdu_len; |
132159a5 | 234 | |
a64e88da | 235 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 236 | |
a64e88da JA |
237 | if (first) |
238 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
239 | else if (cmdret->opcode != cmd.opcode) { |
240 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
241 | cmdret->opcode, cmd.opcode); | |
242 | ret = 1; | |
243 | break; | |
244 | } | |
a64e88da JA |
245 | |
246 | if (!cmd.pdu_len) | |
247 | break; | |
248 | ||
249 | /* There's payload, get it */ | |
250 | pdu = (void *) cmdret->payload + pdu_offset; | |
251 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
252 | if (ret) | |
253 | break; | |
254 | ||
255 | /* Verify payload crc */ | |
25dfa848 | 256 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
257 | if (crc != cmd.pdu_crc16) { |
258 | log_err("fio: server bad crc on payload "); | |
259 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
260 | ret = 1; | |
261 | break; | |
262 | } | |
263 | ||
264 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
265 | if (!first) |
266 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
267 | first = 0; |
268 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 269 | |
a64e88da JA |
270 | if (ret) { |
271 | free(cmdret); | |
272 | cmdret = NULL; | |
0b8f30a5 JA |
273 | } else if (cmdret) { |
274 | /* zero-terminate text input */ | |
084d1c6f JA |
275 | if (cmdret->pdu_len) { |
276 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
277 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
278 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 279 | |
3c3ed070 | 280 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 281 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
46bcd498 JA |
282 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
283 | char *buf = (char *) pdu->buf; | |
284 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 285 | |
46bcd498 | 286 | buf[len] = '\0'; |
084d1c6f | 287 | } |
0b8f30a5 | 288 | } |
084d1c6f | 289 | |
0b8f30a5 | 290 | /* frag flag is internal */ |
a64e88da | 291 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 292 | } |
a64e88da JA |
293 | |
294 | return cmdret; | |
132159a5 JA |
295 | } |
296 | ||
40c60516 JA |
297 | static void add_reply(uint64_t tag, struct flist_head *list) |
298 | { | |
a572bbfb | 299 | struct fio_net_cmd_reply *reply; |
40c60516 | 300 | |
a572bbfb | 301 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
302 | flist_add_tail(&reply->list, list); |
303 | } | |
304 | ||
305 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
306 | { | |
307 | struct fio_net_cmd_reply *reply; | |
308 | ||
309 | reply = calloc(1, sizeof(*reply)); | |
310 | INIT_FLIST_HEAD(&reply->list); | |
311 | gettimeofday(&reply->tv, NULL); | |
312 | reply->saved_tag = tag; | |
313 | reply->opcode = opcode; | |
314 | ||
315 | return (uintptr_t) reply; | |
316 | } | |
317 | ||
318 | static void free_reply(uint64_t tag) | |
319 | { | |
a572bbfb | 320 | struct fio_net_cmd_reply *reply; |
40c60516 | 321 | |
a572bbfb | 322 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
323 | free(reply); |
324 | } | |
325 | ||
53bd8dbc | 326 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
327 | { |
328 | uint32_t pdu_len; | |
329 | ||
25dfa848 | 330 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
331 | |
332 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
333 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
334 | } | |
335 | ||
336 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
337 | { | |
338 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
339 | } |
340 | ||
af9c9fb3 | 341 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 342 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 343 | { |
7f868316 JA |
344 | struct fio_net_cmd *cmd = NULL; |
345 | size_t this_len, cur_len = 0; | |
40c60516 | 346 | uint64_t tag; |
794d69ca JA |
347 | int ret; |
348 | ||
40c60516 JA |
349 | if (list) { |
350 | assert(tagptr); | |
351 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
352 | } else | |
353 | tag = tagptr ? *tagptr : 0; | |
354 | ||
794d69ca JA |
355 | do { |
356 | this_len = size; | |
b9d2f30a JA |
357 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
358 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 359 | |
7f868316 JA |
360 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
361 | if (cmd) | |
362 | free(cmd); | |
363 | ||
364 | cur_len = sizeof(*cmd) + this_len; | |
365 | cmd = malloc(cur_len); | |
366 | } | |
794d69ca | 367 | |
af9c9fb3 | 368 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
369 | |
370 | if (this_len < size) | |
ddcc0b69 | 371 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
372 | |
373 | fio_net_cmd_crc(cmd); | |
374 | ||
375 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
376 | size -= this_len; |
377 | buf += this_len; | |
378 | } while (!ret && size); | |
379 | ||
40c60516 JA |
380 | if (list) { |
381 | if (ret) | |
382 | free_reply(tag); | |
383 | else | |
384 | add_reply(tag, list); | |
385 | } | |
386 | ||
7f868316 JA |
387 | if (cmd) |
388 | free(cmd); | |
389 | ||
794d69ca JA |
390 | return ret; |
391 | } | |
392 | ||
89c1707c | 393 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 394 | { |
178cde9f | 395 | struct fio_net_cmd cmd; |
132159a5 | 396 | |
af9c9fb3 | 397 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
398 | fio_net_cmd_crc(&cmd); |
399 | ||
400 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
401 | } | |
402 | ||
89c1707c JA |
403 | /* |
404 | * If 'list' is non-NULL, then allocate and store the sent command for | |
405 | * later verification. | |
406 | */ | |
407 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
408 | struct flist_head *list) | |
409 | { | |
89c1707c JA |
410 | int ret; |
411 | ||
40c60516 JA |
412 | if (list) |
413 | tag = alloc_reply(tag, opcode); | |
89c1707c | 414 | |
40c60516 | 415 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 416 | if (ret) { |
40c60516 JA |
417 | if (list) |
418 | free_reply(tag); | |
419 | ||
89c1707c JA |
420 | return ret; |
421 | } | |
422 | ||
40c60516 JA |
423 | if (list) |
424 | add_reply(tag, list); | |
425 | ||
89c1707c JA |
426 | return 0; |
427 | } | |
428 | ||
122c7725 | 429 | int fio_net_send_quit(int sk) |
437377e1 | 430 | { |
46c48f1f | 431 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 432 | |
8c95307b | 433 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
434 | } |
435 | ||
f58bd2a4 JA |
436 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
437 | int signal) | |
132159a5 | 438 | { |
11e950bd | 439 | struct cmd_end_pdu epdu; |
f58bd2a4 | 440 | uint64_t tag = 0; |
122c7725 | 441 | |
f58bd2a4 JA |
442 | if (cmd) |
443 | tag = cmd->tag; | |
122c7725 JA |
444 | |
445 | epdu.error = __cpu_to_le32(error); | |
446 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 447 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
448 | } |
449 | ||
450 | int fio_net_send_stop(int sk, int error, int signal) | |
451 | { | |
452 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
453 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
454 | } |
455 | ||
456 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
457 | { | |
458 | struct fio_fork_item *ffi; | |
459 | ||
460 | ffi = malloc(sizeof(*ffi)); | |
461 | ffi->exitval = 0; | |
462 | ffi->signal = 0; | |
463 | ffi->exited = 0; | |
464 | ffi->pid = pid; | |
465 | flist_add_tail(&ffi->list, list); | |
466 | } | |
467 | ||
6348b5de | 468 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 469 | { |
a7533dbd | 470 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 471 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
472 | } |
473 | ||
6348b5de | 474 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 475 | { |
a7533dbd | 476 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 477 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
478 | } |
479 | ||
480 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
481 | { | |
482 | int ret, status; | |
483 | ||
484 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
485 | if (ret < 0) { | |
486 | if (errno == ECHILD) { | |
a7533dbd | 487 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
488 | ffi->exited = 1; |
489 | } else | |
490 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
491 | } else if (ret == ffi->pid) { | |
492 | if (WIFSIGNALED(status)) { | |
493 | ffi->signal = WTERMSIG(status); | |
494 | ffi->exited = 1; | |
495 | } | |
496 | if (WIFEXITED(status)) { | |
497 | if (WEXITSTATUS(status)) | |
498 | ffi->exitval = WEXITSTATUS(status); | |
499 | ffi->exited = 1; | |
500 | } | |
501 | } | |
502 | } | |
503 | ||
504 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
505 | { | |
a7533dbd | 506 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
507 | |
508 | /* | |
509 | * Fold STOP and QUIT... | |
510 | */ | |
511 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
512 | fio_net_send_quit(server_fd); | |
513 | flist_del(&ffi->list); | |
514 | free(ffi); | |
515 | } | |
516 | ||
54163255 | 517 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
518 | { |
519 | struct flist_head *entry, *tmp; | |
520 | struct fio_fork_item *ffi; | |
521 | ||
522 | flist_for_each_safe(entry, tmp, list) { | |
523 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
524 | ||
525 | fio_server_check_fork_item(ffi); | |
526 | ||
527 | if (ffi->exited) | |
528 | fio_server_fork_item_done(ffi); | |
529 | } | |
530 | } | |
531 | ||
6348b5de | 532 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 533 | { |
6348b5de | 534 | fio_server_check_fork_items(job_list); |
122c7725 JA |
535 | } |
536 | ||
6348b5de | 537 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 538 | { |
6348b5de | 539 | fio_server_check_fork_items(conn_list); |
122c7725 JA |
540 | } |
541 | ||
6348b5de | 542 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
122c7725 JA |
543 | { |
544 | pid_t pid; | |
a64e88da | 545 | int ret; |
132159a5 | 546 | |
122c7725 | 547 | set_genesis_time(); |
11e950bd | 548 | |
122c7725 JA |
549 | pid = fork(); |
550 | if (pid) { | |
6348b5de | 551 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
552 | return 0; |
553 | } | |
11e950bd | 554 | |
122c7725 | 555 | ret = fio_backend(); |
2bb3f0a7 | 556 | free_threads_shm(); |
122c7725 | 557 | _exit(ret); |
81179eec JA |
558 | } |
559 | ||
b9d2f30a JA |
560 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
561 | { | |
46bcd498 JA |
562 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
563 | void *buf = pdu->buf; | |
b9d2f30a JA |
564 | struct cmd_start_pdu spdu; |
565 | ||
46bcd498 JA |
566 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
567 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
568 | ||
569 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 570 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
571 | return -1; |
572 | } | |
573 | ||
574 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 575 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 576 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
577 | return 0; |
578 | } | |
579 | ||
81179eec JA |
580 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
581 | { | |
fa2ea806 JA |
582 | void *pdu = cmd->payload; |
583 | struct cmd_single_line_pdu *cslp; | |
584 | struct cmd_line_pdu *clp; | |
585 | unsigned long offset; | |
b9d2f30a | 586 | struct cmd_start_pdu spdu; |
fa2ea806 | 587 | char **argv; |
b9d2f30a | 588 | int i; |
81179eec | 589 | |
fa2ea806 JA |
590 | clp = pdu; |
591 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 592 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
593 | argv = malloc(clp->lines * sizeof(char *)); |
594 | offset = sizeof(*clp); | |
81179eec | 595 | |
fa2ea806 | 596 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 597 | |
fa2ea806 JA |
598 | for (i = 0; i < clp->lines; i++) { |
599 | cslp = pdu + offset; | |
600 | argv[i] = (char *) cslp->text; | |
601 | ||
602 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
603 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
604 | } | |
81179eec | 605 | |
46bcd498 | 606 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 607 | fio_net_send_quit(server_fd); |
fa2ea806 | 608 | free(argv); |
81179eec | 609 | return -1; |
e6d1c668 | 610 | } |
81179eec | 611 | |
fa2ea806 JA |
612 | free(argv); |
613 | ||
b9d2f30a | 614 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 615 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 616 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 617 | return 0; |
132159a5 JA |
618 | } |
619 | ||
c28e8e8c JA |
620 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
621 | { | |
3989b143 JA |
622 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
623 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 624 | uint64_t tag = cmd->tag; |
c28e8e8c | 625 | |
89c1707c JA |
626 | dprint(FD_NET, "server: sending probe reply\n"); |
627 | ||
c28e8e8c JA |
628 | memset(&probe, 0, sizeof(probe)); |
629 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 630 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
631 | probe.bigendian = 1; |
632 | #endif | |
750db473 | 633 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 634 | |
cca84643 JA |
635 | probe.os = FIO_OS; |
636 | probe.arch = FIO_ARCH; | |
38fdef22 | 637 | probe.bpp = sizeof(void *); |
d31e26d0 | 638 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
639 | |
640 | /* | |
641 | * If the client supports compression and we do too, then enable it | |
642 | */ | |
643 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
644 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
645 | use_zlib = 1; | |
646 | } else { | |
647 | probe.flags = 0; | |
648 | use_zlib = 0; | |
649 | } | |
38fdef22 | 650 | |
40c60516 | 651 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
652 | } |
653 | ||
654 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
655 | { | |
656 | struct jobs_eta *je; | |
657 | size_t size; | |
40c60516 | 658 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
659 | int i; |
660 | ||
b814fb26 JA |
661 | if (!thread_number) |
662 | return 0; | |
663 | ||
664 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
665 | je = malloc(size); |
666 | memset(je, 0, size); | |
af9c9fb3 JA |
667 | |
668 | if (!calc_thread_status(je, 1)) { | |
669 | free(je); | |
670 | return 0; | |
671 | } | |
672 | ||
673 | dprint(FD_NET, "server sending status\n"); | |
674 | ||
675 | je->nr_running = cpu_to_le32(je->nr_running); | |
676 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
677 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
714e85f3 | 678 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
af9c9fb3 | 679 | je->files_open = cpu_to_le32(je->files_open); |
af9c9fb3 | 680 | |
298921d6 | 681 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
682 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
683 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
684 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
685 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
686 | je->rate[i] = cpu_to_le32(je->rate[i]); |
687 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
688 | } |
689 | ||
c1970b90 | 690 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 691 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 692 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 693 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 694 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 695 | |
40c60516 | 696 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
697 | free(je); |
698 | return 0; | |
c28e8e8c JA |
699 | } |
700 | ||
40c60516 JA |
701 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
702 | { | |
703 | uint64_t tag = __tag; | |
704 | uint32_t pdu_error; | |
705 | ||
706 | pdu_error = __cpu_to_le32(error); | |
707 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
708 | } | |
709 | ||
f58bd2a4 JA |
710 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
711 | { | |
712 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
713 | struct thread_data *td; | |
714 | uint32_t tnumber; | |
715 | ||
716 | tnumber = le32_to_cpu(pdu->thread_number); | |
717 | ||
718 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
719 | ||
30ffacbf | 720 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 721 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
722 | return 0; |
723 | } | |
724 | ||
30ffacbf | 725 | td = &threads[tnumber - 1]; |
f58bd2a4 | 726 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 727 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
728 | return 0; |
729 | } | |
730 | ||
6348b5de | 731 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
132159a5 JA |
732 | { |
733 | int ret; | |
734 | ||
4b91ee8f JA |
735 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
736 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
737 | (unsigned long long) cmd->tag); | |
46c48f1f | 738 | |
132159a5 JA |
739 | switch (cmd->opcode) { |
740 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 741 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 742 | return -1; |
d7959186 | 743 | case FIO_NET_CMD_EXIT: |
132159a5 | 744 | exit_backend = 1; |
c28e8e8c | 745 | return -1; |
132159a5 | 746 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 747 | ret = handle_job_cmd(cmd); |
132159a5 | 748 | break; |
81179eec JA |
749 | case FIO_NET_CMD_JOBLINE: |
750 | ret = handle_jobline_cmd(cmd); | |
751 | break; | |
c28e8e8c JA |
752 | case FIO_NET_CMD_PROBE: |
753 | ret = handle_probe_cmd(cmd); | |
754 | break; | |
af9c9fb3 JA |
755 | case FIO_NET_CMD_SEND_ETA: |
756 | ret = handle_send_eta_cmd(cmd); | |
757 | break; | |
b9d2f30a | 758 | case FIO_NET_CMD_RUN: |
6348b5de | 759 | ret = handle_run_cmd(job_list, cmd); |
b9d2f30a | 760 | break; |
f58bd2a4 JA |
761 | case FIO_NET_CMD_UPDATE_JOB: |
762 | ret = handle_update_job_cmd(cmd); | |
763 | break; | |
132159a5 | 764 | default: |
3c3ed070 | 765 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
766 | ret = 1; |
767 | } | |
768 | ||
769 | return ret; | |
770 | } | |
771 | ||
122c7725 | 772 | static int handle_connection(int sk) |
132159a5 JA |
773 | { |
774 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 775 | FLIST_HEAD(job_list); |
132159a5 JA |
776 | int ret = 0; |
777 | ||
122c7725 | 778 | reset_fio_state(); |
122c7725 JA |
779 | server_fd = sk; |
780 | ||
132159a5 JA |
781 | /* read forever */ |
782 | while (!exit_backend) { | |
e951bdc4 JA |
783 | struct pollfd pfd = { |
784 | .fd = sk, | |
785 | .events = POLLIN, | |
786 | }; | |
787 | ||
788 | ret = 0; | |
789 | do { | |
54163255 JA |
790 | int timeout = 1000; |
791 | ||
792 | if (!flist_empty(&job_list)) | |
793 | timeout = 100; | |
3c3ed070 | 794 | |
54163255 | 795 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
796 | if (ret < 0) { |
797 | if (errno == EINTR) | |
798 | break; | |
799 | log_err("fio: poll: %s\n", strerror(errno)); | |
800 | break; | |
19c65179 | 801 | } else if (!ret) { |
6348b5de | 802 | fio_server_check_jobs(&job_list); |
e951bdc4 | 803 | continue; |
19c65179 | 804 | } |
e951bdc4 JA |
805 | |
806 | if (pfd.revents & POLLIN) | |
807 | break; | |
808 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
809 | ret = 1; | |
810 | break; | |
811 | } | |
19c65179 | 812 | } while (!exit_backend); |
e951bdc4 | 813 | |
6348b5de | 814 | fio_server_check_jobs(&job_list); |
122c7725 | 815 | |
e951bdc4 JA |
816 | if (ret < 0) |
817 | break; | |
818 | ||
819 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 820 | if (!cmd) { |
c28e8e8c | 821 | ret = -1; |
132159a5 JA |
822 | break; |
823 | } | |
824 | ||
6348b5de | 825 | ret = handle_command(&job_list, cmd); |
132159a5 JA |
826 | if (ret) |
827 | break; | |
828 | ||
829 | free(cmd); | |
c77a99e7 | 830 | cmd = NULL; |
132159a5 JA |
831 | } |
832 | ||
833 | if (cmd) | |
834 | free(cmd); | |
835 | ||
122c7725 JA |
836 | close(sk); |
837 | _exit(ret); | |
cc0df00a JA |
838 | } |
839 | ||
50d16976 JA |
840 | static int accept_loop(int listen_sk) |
841 | { | |
bb447a27 | 842 | struct sockaddr_in addr; |
479471c4 JA |
843 | struct sockaddr_in6 addr6; |
844 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 845 | struct pollfd pfd; |
122c7725 | 846 | int ret = 0, sk, flags, exitval = 0; |
6348b5de | 847 | FLIST_HEAD(conn_list); |
50d16976 | 848 | |
60efd14e JA |
849 | dprint(FD_NET, "server enter accept loop\n"); |
850 | ||
009b1be4 JA |
851 | flags = fcntl(listen_sk, F_GETFL); |
852 | flags |= O_NONBLOCK; | |
853 | fcntl(listen_sk, F_SETFL, flags); | |
009b1be4 | 854 | |
122c7725 | 855 | while (!exit_backend) { |
479471c4 JA |
856 | const char *from; |
857 | char buf[64]; | |
122c7725 | 858 | pid_t pid; |
009b1be4 | 859 | |
122c7725 JA |
860 | pfd.fd = listen_sk; |
861 | pfd.events = POLLIN; | |
862 | do { | |
54163255 JA |
863 | int timeout = 1000; |
864 | ||
865 | if (!flist_empty(&conn_list)) | |
866 | timeout = 100; | |
867 | ||
868 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
869 | if (ret < 0) { |
870 | if (errno == EINTR) | |
871 | break; | |
872 | log_err("fio: poll: %s\n", strerror(errno)); | |
873 | break; | |
874 | } else if (!ret) { | |
6348b5de | 875 | fio_server_check_conns(&conn_list); |
122c7725 JA |
876 | continue; |
877 | } | |
009b1be4 | 878 | |
122c7725 JA |
879 | if (pfd.revents & POLLIN) |
880 | break; | |
881 | } while (!exit_backend); | |
50d16976 | 882 | |
6348b5de | 883 | fio_server_check_conns(&conn_list); |
46c48f1f | 884 | |
122c7725 JA |
885 | if (exit_backend || ret < 0) |
886 | break; | |
887 | ||
479471c4 JA |
888 | if (use_ipv6) |
889 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
890 | else | |
891 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
892 | ||
122c7725 JA |
893 | if (sk < 0) { |
894 | log_err("fio: accept: %s\n", strerror(errno)); | |
895 | return -1; | |
896 | } | |
37db14fe | 897 | |
479471c4 JA |
898 | if (use_ipv6) |
899 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
900 | else | |
901 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
902 | ||
903 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 904 | |
122c7725 JA |
905 | pid = fork(); |
906 | if (pid) { | |
907 | close(sk); | |
6348b5de | 908 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
909 | continue; |
910 | } | |
5c341e9a | 911 | |
122c7725 JA |
912 | /* exits */ |
913 | handle_connection(sk); | |
914 | } | |
5c341e9a | 915 | |
132159a5 | 916 | return exitval; |
50d16976 JA |
917 | } |
918 | ||
084d1c6f | 919 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 920 | { |
084d1c6f JA |
921 | struct cmd_text_pdu *pdu; |
922 | unsigned int tlen; | |
923 | struct timeval tv; | |
924 | ||
925 | if (server_fd == -1) | |
926 | return log_local_buf(buf, len); | |
927 | ||
928 | tlen = sizeof(*pdu) + len; | |
929 | pdu = malloc(tlen); | |
930 | ||
931 | pdu->level = __cpu_to_le32(level); | |
932 | pdu->buf_len = __cpu_to_le32(len); | |
933 | ||
934 | gettimeofday(&tv, NULL); | |
935 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
936 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 937 | |
084d1c6f JA |
938 | memcpy(pdu->buf, buf, len); |
939 | ||
40c60516 | 940 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
941 | free(pdu); |
942 | return len; | |
142575e6 JA |
943 | } |
944 | ||
a64e88da JA |
945 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
946 | { | |
947 | dst->max_val = cpu_to_le64(src->max_val); | |
948 | dst->min_val = cpu_to_le64(src->min_val); | |
949 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
950 | |
951 | /* | |
952 | * Encode to IEEE 754 for network transfer | |
953 | */ | |
954 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
955 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
956 | } |
957 | ||
958 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
959 | { | |
960 | int i; | |
961 | ||
298921d6 | 962 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
963 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
964 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
965 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
966 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
967 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
968 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
969 | } | |
970 | ||
971 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 972 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 973 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 974 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
975 | } |
976 | ||
977 | /* | |
978 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
979 | * into a single payload. | |
980 | */ | |
981 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
982 | { | |
983 | struct cmd_ts_pdu p; | |
984 | int i, j; | |
985 | ||
60efd14e JA |
986 | dprint(FD_NET, "server sending end stats\n"); |
987 | ||
317b3c8b JA |
988 | memset(&p, 0, sizeof(p)); |
989 | ||
4e59d0f3 JA |
990 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
991 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
992 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 993 | |
2f122b13 JA |
994 | p.ts.error = cpu_to_le32(ts->error); |
995 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
996 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
997 | p.ts.pid = cpu_to_le32(ts->pid); | |
998 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 999 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1000 | |
298921d6 | 1001 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1002 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1003 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1004 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1005 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1006 | } | |
1007 | ||
1008 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1009 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1010 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1011 | p.ts.minf = cpu_to_le64(ts->minf); | |
1012 | p.ts.majf = cpu_to_le64(ts->majf); | |
1013 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1014 | |
1015 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1016 | fio_fp64_t *src = &ts->percentile_list[i]; |
1017 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1018 | |
cfc03e46 | 1019 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1020 | } |
a64e88da JA |
1021 | |
1022 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1023 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1024 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1025 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1026 | } | |
1027 | ||
1028 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1029 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1030 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1031 | } | |
1032 | ||
298921d6 | 1033 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1034 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1035 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1036 | ||
78799deb | 1037 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1038 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1039 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1040 | } |
1041 | ||
93eee04a | 1042 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1043 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1044 | ||
298921d6 | 1045 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1046 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1047 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1048 | } | |
1049 | ||
1050 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1051 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1052 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1053 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1054 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1055 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1056 | |
3e260a46 JA |
1057 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1058 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1059 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
1060 | p.ts.latency_percentile.u.i = __cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); | |
1061 | ||
a64e88da JA |
1062 | convert_gs(&p.rs, rs); |
1063 | ||
40c60516 | 1064 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1065 | } |
1066 | ||
1067 | void fio_server_send_gs(struct group_run_stats *rs) | |
1068 | { | |
1069 | struct group_run_stats gs; | |
1070 | ||
60efd14e JA |
1071 | dprint(FD_NET, "server sending group run stats\n"); |
1072 | ||
a64e88da | 1073 | convert_gs(&gs, rs); |
40c60516 | 1074 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1075 | } |
1076 | ||
d09a64a0 JA |
1077 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1078 | { | |
1079 | int i; | |
1080 | ||
1081 | for (i = 0; i < 2; i++) { | |
1082 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1083 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1084 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1085 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1086 | } | |
1087 | ||
1088 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1089 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1090 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1091 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1092 | } | |
1093 | ||
1094 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1095 | { | |
1096 | int i; | |
1097 | ||
1098 | strcpy((char *) dst->name, (char *) src->name); | |
1099 | ||
1100 | for (i = 0; i < 2; i++) { | |
1101 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1102 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1103 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1104 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1105 | } | |
1106 | ||
1107 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1108 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1109 | dst->msec = cpu_to_le64(src->msec); | |
1110 | } | |
1111 | ||
1112 | void fio_server_send_du(void) | |
1113 | { | |
1114 | struct disk_util *du; | |
1115 | struct flist_head *entry; | |
1116 | struct cmd_du_pdu pdu; | |
1117 | ||
1118 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1119 | ||
0766d92e JA |
1120 | memset(&pdu, 0, sizeof(pdu)); |
1121 | ||
d09a64a0 JA |
1122 | flist_for_each(entry, &disk_list) { |
1123 | du = flist_entry(entry, struct disk_util, list); | |
1124 | ||
1125 | convert_dus(&pdu.dus, &du->dus); | |
1126 | convert_agg(&pdu.agg, &du->agg); | |
1127 | ||
40c60516 | 1128 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1129 | } |
1130 | } | |
1131 | ||
53bd8dbc JA |
1132 | /* |
1133 | * Send a command with a separate PDU, not inlined in the command | |
1134 | */ | |
1135 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1136 | off_t size, uint64_t tag, uint32_t flags) | |
1137 | { | |
1138 | struct fio_net_cmd cmd; | |
1139 | struct iovec iov[2]; | |
1140 | ||
9f247261 | 1141 | iov[0].iov_base = (void *) &cmd; |
53bd8dbc JA |
1142 | iov[0].iov_len = sizeof(cmd); |
1143 | iov[1].iov_base = (void *) buf; | |
1144 | iov[1].iov_len = size; | |
1145 | ||
1146 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1147 | cmd.flags = __cpu_to_le32(flags); | |
1148 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1149 | ||
8c95307b | 1150 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1151 | } |
1152 | ||
3989b143 | 1153 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1154 | { |
3989b143 JA |
1155 | int ret = 0; |
1156 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1157 | z_stream stream; |
1158 | void *out_pdu; | |
1b42725f JA |
1159 | |
1160 | /* | |
1161 | * Dirty - since the log is potentially huge, compress it into | |
1162 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1163 | * side defragment it. | |
1164 | */ | |
1165 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1166 | ||
1167 | stream.zalloc = Z_NULL; | |
1168 | stream.zfree = Z_NULL; | |
1169 | stream.opaque = Z_NULL; | |
1170 | ||
1171 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1172 | ret = 1; |
1173 | goto err; | |
1b42725f JA |
1174 | } |
1175 | ||
f5ed765a JA |
1176 | stream.next_in = (void *) log->log; |
1177 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1178 | |
1179 | do { | |
53bd8dbc JA |
1180 | unsigned int this_len, flags = 0; |
1181 | int ret; | |
1b42725f JA |
1182 | |
1183 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1184 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1185 | ret = deflate(&stream, Z_FINISH); |
1186 | /* may be Z_OK, or Z_STREAM_END */ | |
1187 | if (ret < 0) | |
1188 | goto err_zlib; | |
1b42725f JA |
1189 | |
1190 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1191 | ||
1b42725f | 1192 | if (stream.avail_in) |
53bd8dbc | 1193 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1194 | |
53bd8dbc JA |
1195 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1196 | out_pdu, this_len, 0, flags); | |
1197 | if (ret) | |
1198 | goto err_zlib; | |
1b42725f JA |
1199 | } while (stream.avail_in); |
1200 | ||
53bd8dbc | 1201 | err_zlib: |
1b42725f | 1202 | deflateEnd(&stream); |
53bd8dbc JA |
1203 | err: |
1204 | free(out_pdu); | |
3989b143 | 1205 | #endif |
53bd8dbc | 1206 | return ret; |
1b42725f JA |
1207 | } |
1208 | ||
3989b143 JA |
1209 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1210 | { | |
1211 | struct cmd_iolog_pdu pdu; | |
1212 | int i, ret = 0; | |
1213 | ||
1214 | pdu.thread_number = cpu_to_le32(td->thread_number); | |
1215 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); | |
1216 | pdu.log_type = cpu_to_le32(log->log_type); | |
1217 | pdu.compressed = cpu_to_le32(use_zlib); | |
1218 | strcpy((char *) pdu.name, name); | |
1219 | ||
1220 | for (i = 0; i < log->nr_samples; i++) { | |
1221 | struct io_sample *s = &log->log[i]; | |
1222 | ||
1223 | s->time = cpu_to_le64(s->time); | |
1224 | s->val = cpu_to_le64(s->val); | |
1225 | s->ddir = cpu_to_le32(s->ddir); | |
1226 | s->bs = cpu_to_le32(s->bs); | |
1227 | } | |
1228 | ||
1229 | /* | |
1230 | * Send header first, it's not compressed. | |
1231 | */ | |
1232 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1233 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1234 | if (ret) | |
1235 | return ret; | |
1236 | ||
1237 | /* | |
1238 | * Now send actual log, compress if we can, otherwise just plain | |
1239 | */ | |
1240 | if (use_zlib) | |
1241 | return fio_send_iolog_gz(&pdu, log); | |
1242 | ||
1243 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
1244 | log->nr_samples * sizeof(struct io_sample), 0, 0); | |
1245 | } | |
1246 | ||
2f122b13 | 1247 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1248 | { |
1249 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1250 | |
731e30a2 | 1251 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1252 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1253 | pdu.groupid = cpu_to_le32(td->groupid); | |
1254 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1255 | |
40c60516 | 1256 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1257 | } |
1258 | ||
122c7725 JA |
1259 | void fio_server_send_start(struct thread_data *td) |
1260 | { | |
1261 | assert(server_fd != -1); | |
1262 | ||
1263 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1264 | } | |
1265 | ||
87aa8f19 | 1266 | static int fio_init_server_ip(void) |
81179eec | 1267 | { |
811826be | 1268 | struct sockaddr *addr; |
67bf9823 | 1269 | socklen_t socklen; |
17e3531a JA |
1270 | char buf[80]; |
1271 | const char *str; | |
87aa8f19 | 1272 | int sk, opt; |
81179eec | 1273 | |
811826be JA |
1274 | if (use_ipv6) |
1275 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1276 | else | |
1277 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1278 | ||
81179eec JA |
1279 | if (sk < 0) { |
1280 | log_err("fio: socket: %s\n", strerror(errno)); | |
1281 | return -1; | |
1282 | } | |
1283 | ||
1284 | opt = 1; | |
1f81991e | 1285 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1286 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1287 | close(sk); |
81179eec JA |
1288 | return -1; |
1289 | } | |
1290 | #ifdef SO_REUSEPORT | |
6eb24791 | 1291 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1292 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1293 | close(sk); |
81179eec JA |
1294 | return -1; |
1295 | } | |
1296 | #endif | |
1297 | ||
811826be | 1298 | if (use_ipv6) { |
17e3531a JA |
1299 | const void *src = &saddr_in6.sin6_addr; |
1300 | ||
811826be JA |
1301 | addr = (struct sockaddr *) &saddr_in6; |
1302 | socklen = sizeof(saddr_in6); | |
1303 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1304 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1305 | } else { |
17e3531a JA |
1306 | const void *src = &saddr_in.sin_addr; |
1307 | ||
811826be JA |
1308 | addr = (struct sockaddr *) &saddr_in; |
1309 | socklen = sizeof(saddr_in); | |
1310 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1311 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1312 | } |
81179eec | 1313 | |
811826be | 1314 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1315 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1316 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1317 | close(sk); |
81179eec JA |
1318 | return -1; |
1319 | } | |
1320 | ||
87aa8f19 JA |
1321 | return sk; |
1322 | } | |
1323 | ||
1324 | static int fio_init_server_sock(void) | |
1325 | { | |
1326 | struct sockaddr_un addr; | |
67bf9823 | 1327 | socklen_t len; |
87aa8f19 JA |
1328 | mode_t mode; |
1329 | int sk; | |
1330 | ||
1331 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1332 | if (sk < 0) { | |
1333 | log_err("fio: socket: %s\n", strerror(errno)); | |
1334 | return -1; | |
1335 | } | |
1336 | ||
1337 | mode = umask(000); | |
1338 | ||
1339 | memset(&addr, 0, sizeof(addr)); | |
1340 | addr.sun_family = AF_UNIX; | |
1341 | strcpy(addr.sun_path, bind_sock); | |
87aa8f19 JA |
1342 | |
1343 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1344 | ||
1345 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1346 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1347 | close(sk); |
87aa8f19 JA |
1348 | return -1; |
1349 | } | |
1350 | ||
1351 | umask(mode); | |
1352 | return sk; | |
1353 | } | |
1354 | ||
1355 | static int fio_init_server_connection(void) | |
1356 | { | |
bebe6398 | 1357 | char bind_str[128]; |
87aa8f19 JA |
1358 | int sk; |
1359 | ||
1360 | dprint(FD_NET, "starting server\n"); | |
1361 | ||
1362 | if (!bind_sock) | |
1363 | sk = fio_init_server_ip(); | |
1364 | else | |
1365 | sk = fio_init_server_sock(); | |
1366 | ||
1367 | if (sk < 0) | |
1368 | return sk; | |
1369 | ||
811826be JA |
1370 | if (!bind_sock) { |
1371 | char *p, port[16]; | |
1372 | const void *src; | |
1373 | int af; | |
1374 | ||
1375 | if (use_ipv6) { | |
1376 | af = AF_INET6; | |
1377 | src = &saddr_in6.sin6_addr; | |
1378 | } else { | |
1379 | af = AF_INET; | |
1380 | src = &saddr_in.sin_addr; | |
1381 | } | |
1382 | ||
1383 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1384 | ||
1385 | sprintf(port, ",%u", fio_net_port); | |
1386 | if (p) | |
1387 | strcat(p, port); | |
1388 | else | |
1389 | strcpy(bind_str, port); | |
1390 | } else | |
bebe6398 JA |
1391 | strcpy(bind_str, bind_sock); |
1392 | ||
1393 | log_info("fio: server listening on %s\n", bind_str); | |
1394 | ||
89c1707c | 1395 | if (listen(sk, 0) < 0) { |
81179eec JA |
1396 | log_err("fio: listen: %s\n", strerror(errno)); |
1397 | return -1; | |
1398 | } | |
1399 | ||
87aa8f19 JA |
1400 | return sk; |
1401 | } | |
1402 | ||
3aa3ceeb | 1403 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1404 | struct in6_addr *inp6) |
1405 | ||
1406 | { | |
1407 | int ret = 0; | |
1408 | ||
3aa3ceeb | 1409 | if (ipv6) |
3ec62ec4 JA |
1410 | ret = inet_pton(AF_INET6, host, inp6); |
1411 | else | |
1412 | ret = inet_pton(AF_INET, host, inp); | |
1413 | ||
1414 | if (ret != 1) { | |
479471c4 JA |
1415 | struct addrinfo hints, *res; |
1416 | ||
1417 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1418 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1419 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1420 | |
479471c4 JA |
1421 | ret = getaddrinfo(host, NULL, &hints, &res); |
1422 | if (ret) { | |
1423 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1424 | gai_strerror(ret)); | |
3caf43e3 | 1425 | return 1; |
3ec62ec4 JA |
1426 | } |
1427 | ||
3aa3ceeb | 1428 | if (ipv6) |
479471c4 JA |
1429 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1430 | else | |
1431 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1432 | ||
3ec62ec4 | 1433 | ret = 1; |
479471c4 | 1434 | freeaddrinfo(res); |
3ec62ec4 JA |
1435 | } |
1436 | ||
1437 | return !(ret == 1); | |
1438 | } | |
1439 | ||
660a2bfb JA |
1440 | /* |
1441 | * Parse a host/ip/port string. Reads from 'str'. | |
1442 | * | |
1443 | * Outputs: | |
1444 | * | |
1445 | * For IPv4: | |
1446 | * *ptr is the host, *port is the port, inp is the destination. | |
1447 | * For IPv6: | |
1448 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1449 | * For local domain sockets: | |
1450 | * *ptr is the filename, *is_sock is 1. | |
1451 | */ | |
bebe6398 | 1452 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1453 | int *port, struct in_addr *inp, |
1454 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1455 | { |
76867621 JA |
1456 | const char *host = str; |
1457 | char *portp; | |
3ec62ec4 | 1458 | int lport = 0; |
76867621 | 1459 | |
bebe6398 JA |
1460 | *ptr = NULL; |
1461 | *is_sock = 0; | |
6d2cf394 | 1462 | *port = fio_net_port; |
811826be | 1463 | *ipv6 = 0; |
bebe6398 JA |
1464 | |
1465 | if (!strncmp(str, "sock:", 5)) { | |
1466 | *ptr = strdup(str + 5); | |
1467 | *is_sock = 1; | |
76867621 JA |
1468 | |
1469 | return 0; | |
1470 | } | |
1471 | ||
1472 | /* | |
1473 | * Is it ip:<ip or host>:port | |
1474 | */ | |
1475 | if (!strncmp(host, "ip:", 3)) | |
1476 | host += 3; | |
1477 | else if (!strncmp(host, "ip4:", 4)) | |
1478 | host += 4; | |
1479 | else if (!strncmp(host, "ip6:", 4)) { | |
1480 | host += 4; | |
1481 | *ipv6 = 1; | |
1482 | } else if (host[0] == ':') { | |
1483 | /* String is :port */ | |
1484 | host++; | |
1485 | lport = atoi(host); | |
1486 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1487 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1488 | return 1; |
1489 | } | |
1490 | /* no hostname given, we are done */ | |
1491 | *port = lport; | |
1492 | return 0; | |
1493 | } | |
1494 | ||
1495 | /* | |
b96b90c3 | 1496 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1497 | */ |
1498 | if (!lport) { | |
1499 | portp = strchr(host, ','); | |
1500 | if (portp) { | |
1501 | *portp = '\0'; | |
1502 | portp++; | |
1503 | lport = atoi(portp); | |
bebe6398 | 1504 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1505 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1506 | return 1; |
1507 | } | |
bebe6398 | 1508 | } |
76867621 | 1509 | } |
bebe6398 | 1510 | |
76867621 JA |
1511 | if (lport) |
1512 | *port = lport; | |
bebe6398 | 1513 | |
76867621 JA |
1514 | if (!strlen(host)) |
1515 | return 0; | |
bebe6398 | 1516 | |
76867621 | 1517 | *ptr = strdup(host); |
811826be | 1518 | |
3aa3ceeb | 1519 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1520 | free(*ptr); |
1521 | *ptr = NULL; | |
1522 | return 1; | |
bebe6398 JA |
1523 | } |
1524 | ||
1525 | if (*port == 0) | |
1526 | *port = fio_net_port; | |
1527 | ||
1528 | return 0; | |
1529 | } | |
1530 | ||
87aa8f19 JA |
1531 | /* |
1532 | * Server arg should be one of: | |
1533 | * | |
1534 | * sock:/path/to/socket | |
1535 | * ip:1.2.3.4 | |
1536 | * 1.2.3.4 | |
1537 | * | |
1538 | * Where sock uses unix domain sockets, and ip binds the server to | |
1539 | * a specific interface. If no arguments are given to the server, it | |
1540 | * uses IP and binds to 0.0.0.0. | |
1541 | * | |
1542 | */ | |
1543 | static int fio_handle_server_arg(void) | |
1544 | { | |
6d2cf394 | 1545 | int port = fio_net_port; |
a7de0a11 | 1546 | int is_sock, ret = 0; |
bebe6398 | 1547 | |
87aa8f19 JA |
1548 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1549 | ||
1550 | if (!fio_server_arg) | |
a7de0a11 | 1551 | goto out; |
87aa8f19 | 1552 | |
4e5b8fb8 | 1553 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1554 | &port, &saddr_in.sin_addr, |
1555 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1556 | |
1557 | if (!is_sock && bind_sock) { | |
1558 | free(bind_sock); | |
1559 | bind_sock = NULL; | |
1560 | } | |
1561 | ||
a7de0a11 | 1562 | out: |
6d2cf394 JA |
1563 | fio_net_port = port; |
1564 | saddr_in.sin_port = htons(port); | |
811826be | 1565 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1566 | return ret; |
87aa8f19 JA |
1567 | } |
1568 | ||
43cdea1d JA |
1569 | static void sig_int(int sig) |
1570 | { | |
1571 | if (bind_sock) | |
1572 | unlink(bind_sock); | |
1573 | } | |
1574 | ||
1575 | static void set_sig_handlers(void) | |
1576 | { | |
1577 | struct sigaction act; | |
1578 | ||
1579 | memset(&act, 0, sizeof(act)); | |
1580 | act.sa_handler = sig_int; | |
1581 | act.sa_flags = SA_RESTART; | |
1582 | sigaction(SIGINT, &act, NULL); | |
1583 | } | |
1584 | ||
87aa8f19 JA |
1585 | static int fio_server(void) |
1586 | { | |
1587 | int sk, ret; | |
1588 | ||
1589 | dprint(FD_NET, "starting server\n"); | |
1590 | ||
1591 | if (fio_handle_server_arg()) | |
1592 | return -1; | |
1593 | ||
1594 | sk = fio_init_server_connection(); | |
1595 | if (sk < 0) | |
1596 | return -1; | |
81179eec | 1597 | |
43cdea1d JA |
1598 | set_sig_handlers(); |
1599 | ||
81179eec | 1600 | ret = accept_loop(sk); |
87aa8f19 | 1601 | |
81179eec | 1602 | close(sk); |
87aa8f19 JA |
1603 | |
1604 | if (fio_server_arg) { | |
1605 | free(fio_server_arg); | |
1606 | fio_server_arg = NULL; | |
1607 | } | |
bebe6398 JA |
1608 | if (bind_sock) |
1609 | free(bind_sock); | |
87aa8f19 | 1610 | |
81179eec JA |
1611 | return ret; |
1612 | } | |
1613 | ||
7b821684 | 1614 | void fio_server_got_signal(int signal) |
9abea48b | 1615 | { |
7b821684 JA |
1616 | if (signal == SIGPIPE) |
1617 | server_fd = -1; | |
1618 | else { | |
1619 | log_info("\nfio: terminating on signal %d\n", signal); | |
1620 | exit_backend = 1; | |
1621 | } | |
9abea48b JA |
1622 | } |
1623 | ||
13755d94 JA |
1624 | static int check_existing_pidfile(const char *pidfile) |
1625 | { | |
1626 | struct stat sb; | |
1627 | char buf[16]; | |
1628 | pid_t pid; | |
1629 | FILE *f; | |
1630 | ||
1631 | if (stat(pidfile, &sb)) | |
1632 | return 0; | |
1633 | ||
1634 | f = fopen(pidfile, "r"); | |
1635 | if (!f) | |
1636 | return 0; | |
1637 | ||
bfc3b179 | 1638 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1639 | fclose(f); |
1640 | return 1; | |
1641 | } | |
1642 | fclose(f); | |
1643 | ||
1644 | pid = atoi(buf); | |
1645 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1646 | return errno != ESRCH; |
13755d94 JA |
1647 | |
1648 | return 1; | |
1649 | } | |
1650 | ||
1651 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1652 | { |
1653 | FILE *fpid; | |
1654 | ||
1655 | fpid = fopen(pidfile, "w"); | |
1656 | if (!fpid) { | |
1657 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1658 | return 1; |
402668f3 JA |
1659 | } |
1660 | ||
1661 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1662 | fclose(fpid); |
1663 | return 0; | |
402668f3 JA |
1664 | } |
1665 | ||
1666 | /* | |
1667 | * If pidfile is specified, background us. | |
1668 | */ | |
1669 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1670 | { |
1671 | pid_t pid; | |
402668f3 | 1672 | int ret; |
e46d8091 | 1673 | |
93bcfd20 | 1674 | #if defined(WIN32) |
905c78b9 | 1675 | WSADATA wsd; |
3c3ed070 | 1676 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1677 | #endif |
1678 | ||
402668f3 | 1679 | if (!pidfile) |
e46d8091 JA |
1680 | return fio_server(); |
1681 | ||
13755d94 JA |
1682 | if (check_existing_pidfile(pidfile)) { |
1683 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1684 | pidfile); | |
1685 | return -1; | |
1686 | } | |
1687 | ||
e46d8091 JA |
1688 | pid = fork(); |
1689 | if (pid < 0) { | |
13755d94 | 1690 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1691 | free(pidfile); |
c28e8e8c | 1692 | return -1; |
402668f3 | 1693 | } else if (pid) { |
13755d94 JA |
1694 | int ret = write_pid(pid, pidfile); |
1695 | ||
1696 | exit(ret); | |
402668f3 | 1697 | } |
e46d8091 JA |
1698 | |
1699 | setsid(); | |
13755d94 JA |
1700 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1701 | log_syslog = 1; | |
e46d8091 JA |
1702 | close(STDIN_FILENO); |
1703 | close(STDOUT_FILENO); | |
1704 | close(STDERR_FILENO); | |
1705 | f_out = NULL; | |
1706 | f_err = NULL; | |
402668f3 JA |
1707 | |
1708 | ret = fio_server(); | |
1709 | ||
1710 | closelog(); | |
1711 | unlink(pidfile); | |
1712 | free(pidfile); | |
1713 | return ret; | |
e46d8091 | 1714 | } |
87aa8f19 | 1715 | |
bebe6398 | 1716 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1717 | { |
1718 | fio_server_arg = strdup(arg); | |
1719 | } |