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 | 6 | #include <errno.h> |
50d16976 | 7 | #include <sys/poll.h> |
50d16976 JA |
8 | #include <sys/types.h> |
9 | #include <sys/wait.h> | |
d05c4a03 | 10 | #include <sys/socket.h> |
87aa8f19 JA |
11 | #include <sys/stat.h> |
12 | #include <sys/un.h> | |
1f51bba9 | 13 | #include <sys/uio.h> |
50d16976 JA |
14 | #include <netinet/in.h> |
15 | #include <arpa/inet.h> | |
16 | #include <netdb.h> | |
e46d8091 | 17 | #include <syslog.h> |
9e22ecb0 | 18 | #include <signal.h> |
3989b143 | 19 | #ifdef CONFIG_ZLIB |
1b42725f | 20 | #include <zlib.h> |
3989b143 | 21 | #endif |
50d16976 JA |
22 | |
23 | #include "fio.h" | |
132159a5 | 24 | #include "server.h" |
fcee5ff6 | 25 | #include "crc/crc16.h" |
c7c6cb4c | 26 | #include "lib/ieee754.h" |
89cf1480 | 27 | |
5adc2447 | 28 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 29 | |
009b1be4 JA |
30 | int exit_backend = 0; |
31 | ||
46c48f1f | 32 | static int server_fd = -1; |
87aa8f19 JA |
33 | static char *fio_server_arg; |
34 | static char *bind_sock; | |
35 | static struct sockaddr_in saddr_in; | |
811826be | 36 | static struct sockaddr_in6 saddr_in6; |
811826be | 37 | static int use_ipv6; |
3989b143 JA |
38 | #ifdef CONFIG_ZLIB |
39 | static unsigned int has_zlib = 1; | |
40 | #else | |
41 | static unsigned int has_zlib = 0; | |
42 | #endif | |
43 | static unsigned int use_zlib; | |
37db14fe | 44 | |
122c7725 JA |
45 | struct fio_fork_item { |
46 | struct flist_head list; | |
47 | int exitval; | |
48 | int signal; | |
49 | int exited; | |
50 | pid_t pid; | |
51 | }; | |
52 | ||
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", |
8d7b618a | 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 | |
3c3ed070 | 279 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 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 | ||
40c60516 JA |
296 | static void add_reply(uint64_t tag, struct flist_head *list) |
297 | { | |
a572bbfb | 298 | struct fio_net_cmd_reply *reply; |
40c60516 | 299 | |
a572bbfb | 300 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
301 | flist_add_tail(&reply->list, list); |
302 | } | |
303 | ||
304 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
305 | { | |
306 | struct fio_net_cmd_reply *reply; | |
307 | ||
308 | reply = calloc(1, sizeof(*reply)); | |
309 | INIT_FLIST_HEAD(&reply->list); | |
310 | gettimeofday(&reply->tv, NULL); | |
311 | reply->saved_tag = tag; | |
312 | reply->opcode = opcode; | |
313 | ||
314 | return (uintptr_t) reply; | |
315 | } | |
316 | ||
317 | static void free_reply(uint64_t tag) | |
318 | { | |
a572bbfb | 319 | struct fio_net_cmd_reply *reply; |
40c60516 | 320 | |
a572bbfb | 321 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
322 | free(reply); |
323 | } | |
324 | ||
53bd8dbc | 325 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
326 | { |
327 | uint32_t pdu_len; | |
328 | ||
25dfa848 | 329 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
330 | |
331 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
332 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
333 | } | |
334 | ||
335 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
336 | { | |
337 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
338 | } |
339 | ||
af9c9fb3 | 340 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 341 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 342 | { |
7f868316 JA |
343 | struct fio_net_cmd *cmd = NULL; |
344 | size_t this_len, cur_len = 0; | |
40c60516 | 345 | uint64_t tag; |
794d69ca JA |
346 | int ret; |
347 | ||
40c60516 JA |
348 | if (list) { |
349 | assert(tagptr); | |
350 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
351 | } else | |
352 | tag = tagptr ? *tagptr : 0; | |
353 | ||
794d69ca JA |
354 | do { |
355 | this_len = size; | |
b9d2f30a JA |
356 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
357 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 358 | |
7f868316 JA |
359 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
360 | if (cmd) | |
361 | free(cmd); | |
362 | ||
363 | cur_len = sizeof(*cmd) + this_len; | |
364 | cmd = malloc(cur_len); | |
365 | } | |
794d69ca | 366 | |
af9c9fb3 | 367 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
368 | |
369 | if (this_len < size) | |
ddcc0b69 | 370 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
371 | |
372 | fio_net_cmd_crc(cmd); | |
373 | ||
374 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
375 | size -= this_len; |
376 | buf += this_len; | |
377 | } while (!ret && size); | |
378 | ||
40c60516 JA |
379 | if (list) { |
380 | if (ret) | |
381 | free_reply(tag); | |
382 | else | |
383 | add_reply(tag, list); | |
384 | } | |
385 | ||
7f868316 JA |
386 | if (cmd) |
387 | free(cmd); | |
388 | ||
794d69ca JA |
389 | return ret; |
390 | } | |
391 | ||
89c1707c | 392 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 393 | { |
178cde9f | 394 | struct fio_net_cmd cmd; |
132159a5 | 395 | |
af9c9fb3 | 396 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
397 | fio_net_cmd_crc(&cmd); |
398 | ||
399 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
400 | } | |
401 | ||
89c1707c JA |
402 | /* |
403 | * If 'list' is non-NULL, then allocate and store the sent command for | |
404 | * later verification. | |
405 | */ | |
406 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
407 | struct flist_head *list) | |
408 | { | |
89c1707c JA |
409 | int ret; |
410 | ||
40c60516 JA |
411 | if (list) |
412 | tag = alloc_reply(tag, opcode); | |
89c1707c | 413 | |
40c60516 | 414 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 415 | if (ret) { |
40c60516 JA |
416 | if (list) |
417 | free_reply(tag); | |
418 | ||
89c1707c JA |
419 | return ret; |
420 | } | |
421 | ||
40c60516 JA |
422 | if (list) |
423 | add_reply(tag, list); | |
424 | ||
89c1707c JA |
425 | return 0; |
426 | } | |
427 | ||
122c7725 | 428 | int fio_net_send_quit(int sk) |
437377e1 | 429 | { |
46c48f1f | 430 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 431 | |
8c95307b | 432 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
433 | } |
434 | ||
f58bd2a4 JA |
435 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
436 | int signal) | |
132159a5 | 437 | { |
11e950bd | 438 | struct cmd_end_pdu epdu; |
f58bd2a4 | 439 | uint64_t tag = 0; |
122c7725 | 440 | |
f58bd2a4 JA |
441 | if (cmd) |
442 | tag = cmd->tag; | |
122c7725 JA |
443 | |
444 | epdu.error = __cpu_to_le32(error); | |
445 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 446 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
447 | } |
448 | ||
449 | int fio_net_send_stop(int sk, int error, int signal) | |
450 | { | |
451 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
452 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
453 | } |
454 | ||
455 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
456 | { | |
457 | struct fio_fork_item *ffi; | |
458 | ||
459 | ffi = malloc(sizeof(*ffi)); | |
460 | ffi->exitval = 0; | |
461 | ffi->signal = 0; | |
462 | ffi->exited = 0; | |
463 | ffi->pid = pid; | |
464 | flist_add_tail(&ffi->list, list); | |
465 | } | |
466 | ||
6348b5de | 467 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 468 | { |
a7533dbd | 469 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 470 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
471 | } |
472 | ||
6348b5de | 473 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 474 | { |
a7533dbd | 475 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 476 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
477 | } |
478 | ||
479 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
480 | { | |
481 | int ret, status; | |
482 | ||
483 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
484 | if (ret < 0) { | |
485 | if (errno == ECHILD) { | |
a7533dbd | 486 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
487 | ffi->exited = 1; |
488 | } else | |
489 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
490 | } else if (ret == ffi->pid) { | |
491 | if (WIFSIGNALED(status)) { | |
492 | ffi->signal = WTERMSIG(status); | |
493 | ffi->exited = 1; | |
494 | } | |
495 | if (WIFEXITED(status)) { | |
496 | if (WEXITSTATUS(status)) | |
497 | ffi->exitval = WEXITSTATUS(status); | |
498 | ffi->exited = 1; | |
499 | } | |
500 | } | |
501 | } | |
502 | ||
503 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
504 | { | |
a7533dbd | 505 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
506 | |
507 | /* | |
508 | * Fold STOP and QUIT... | |
509 | */ | |
510 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
511 | fio_net_send_quit(server_fd); | |
512 | flist_del(&ffi->list); | |
513 | free(ffi); | |
514 | } | |
515 | ||
54163255 | 516 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
517 | { |
518 | struct flist_head *entry, *tmp; | |
519 | struct fio_fork_item *ffi; | |
520 | ||
521 | flist_for_each_safe(entry, tmp, list) { | |
522 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
523 | ||
524 | fio_server_check_fork_item(ffi); | |
525 | ||
526 | if (ffi->exited) | |
527 | fio_server_fork_item_done(ffi); | |
528 | } | |
529 | } | |
530 | ||
6348b5de | 531 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 532 | { |
6348b5de | 533 | fio_server_check_fork_items(job_list); |
122c7725 JA |
534 | } |
535 | ||
6348b5de | 536 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 537 | { |
6348b5de | 538 | fio_server_check_fork_items(conn_list); |
122c7725 JA |
539 | } |
540 | ||
6348b5de | 541 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
122c7725 JA |
542 | { |
543 | pid_t pid; | |
a64e88da | 544 | int ret; |
132159a5 | 545 | |
122c7725 | 546 | set_genesis_time(); |
11e950bd | 547 | |
122c7725 JA |
548 | pid = fork(); |
549 | if (pid) { | |
6348b5de | 550 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
551 | return 0; |
552 | } | |
11e950bd | 553 | |
122c7725 | 554 | ret = fio_backend(); |
2bb3f0a7 | 555 | free_threads_shm(); |
122c7725 | 556 | _exit(ret); |
81179eec JA |
557 | } |
558 | ||
b9d2f30a JA |
559 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
560 | { | |
46bcd498 JA |
561 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
562 | void *buf = pdu->buf; | |
b9d2f30a JA |
563 | struct cmd_start_pdu spdu; |
564 | ||
46bcd498 JA |
565 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
566 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
567 | ||
568 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 569 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
570 | return -1; |
571 | } | |
572 | ||
573 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 574 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 575 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
576 | return 0; |
577 | } | |
578 | ||
81179eec JA |
579 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
580 | { | |
fa2ea806 JA |
581 | void *pdu = cmd->payload; |
582 | struct cmd_single_line_pdu *cslp; | |
583 | struct cmd_line_pdu *clp; | |
584 | unsigned long offset; | |
b9d2f30a | 585 | struct cmd_start_pdu spdu; |
fa2ea806 | 586 | char **argv; |
b9d2f30a | 587 | int i; |
81179eec | 588 | |
fa2ea806 JA |
589 | clp = pdu; |
590 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 591 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
592 | argv = malloc(clp->lines * sizeof(char *)); |
593 | offset = sizeof(*clp); | |
81179eec | 594 | |
fa2ea806 | 595 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 596 | |
fa2ea806 JA |
597 | for (i = 0; i < clp->lines; i++) { |
598 | cslp = pdu + offset; | |
599 | argv[i] = (char *) cslp->text; | |
600 | ||
601 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
602 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
603 | } | |
81179eec | 604 | |
46bcd498 | 605 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 606 | fio_net_send_quit(server_fd); |
fa2ea806 | 607 | free(argv); |
81179eec | 608 | return -1; |
e6d1c668 | 609 | } |
81179eec | 610 | |
fa2ea806 JA |
611 | free(argv); |
612 | ||
b9d2f30a | 613 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 614 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 615 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 616 | return 0; |
132159a5 JA |
617 | } |
618 | ||
c28e8e8c JA |
619 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
620 | { | |
3989b143 JA |
621 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
622 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 623 | uint64_t tag = cmd->tag; |
c28e8e8c | 624 | |
89c1707c JA |
625 | dprint(FD_NET, "server: sending probe reply\n"); |
626 | ||
c28e8e8c JA |
627 | memset(&probe, 0, sizeof(probe)); |
628 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 629 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
630 | probe.bigendian = 1; |
631 | #endif | |
750db473 | 632 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 633 | |
cca84643 JA |
634 | probe.os = FIO_OS; |
635 | probe.arch = FIO_ARCH; | |
38fdef22 | 636 | probe.bpp = sizeof(void *); |
d31e26d0 | 637 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
638 | |
639 | /* | |
640 | * If the client supports compression and we do too, then enable it | |
641 | */ | |
642 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
643 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
644 | use_zlib = 1; | |
645 | } else { | |
646 | probe.flags = 0; | |
647 | use_zlib = 0; | |
648 | } | |
38fdef22 | 649 | |
40c60516 | 650 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
651 | } |
652 | ||
653 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
654 | { | |
655 | struct jobs_eta *je; | |
656 | size_t size; | |
40c60516 | 657 | uint64_t tag = cmd->tag; |
af9c9fb3 JA |
658 | int i; |
659 | ||
b814fb26 JA |
660 | if (!thread_number) |
661 | return 0; | |
662 | ||
663 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
664 | je = malloc(size); |
665 | memset(je, 0, size); | |
af9c9fb3 JA |
666 | |
667 | if (!calc_thread_status(je, 1)) { | |
668 | free(je); | |
669 | return 0; | |
670 | } | |
671 | ||
672 | dprint(FD_NET, "server sending status\n"); | |
673 | ||
674 | je->nr_running = cpu_to_le32(je->nr_running); | |
675 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
676 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
714e85f3 | 677 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
af9c9fb3 | 678 | je->files_open = cpu_to_le32(je->files_open); |
af9c9fb3 | 679 | |
298921d6 | 680 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
681 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
682 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
683 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
684 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
685 | je->rate[i] = cpu_to_le32(je->rate[i]); |
686 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
687 | } |
688 | ||
c1970b90 | 689 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 690 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 691 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 692 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 693 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 694 | |
40c60516 | 695 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
696 | free(je); |
697 | return 0; | |
c28e8e8c JA |
698 | } |
699 | ||
40c60516 JA |
700 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
701 | { | |
702 | uint64_t tag = __tag; | |
703 | uint32_t pdu_error; | |
704 | ||
705 | pdu_error = __cpu_to_le32(error); | |
706 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
707 | } | |
708 | ||
f58bd2a4 JA |
709 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
710 | { | |
711 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
712 | struct thread_data *td; | |
713 | uint32_t tnumber; | |
714 | ||
715 | tnumber = le32_to_cpu(pdu->thread_number); | |
716 | ||
717 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
718 | ||
30ffacbf | 719 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 720 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
721 | return 0; |
722 | } | |
723 | ||
30ffacbf | 724 | td = &threads[tnumber - 1]; |
f58bd2a4 | 725 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 726 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
727 | return 0; |
728 | } | |
729 | ||
6348b5de | 730 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
132159a5 JA |
731 | { |
732 | int ret; | |
733 | ||
4b91ee8f JA |
734 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
735 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
736 | (unsigned long long) cmd->tag); | |
46c48f1f | 737 | |
132159a5 JA |
738 | switch (cmd->opcode) { |
739 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 740 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 741 | return -1; |
d7959186 | 742 | case FIO_NET_CMD_EXIT: |
132159a5 | 743 | exit_backend = 1; |
c28e8e8c | 744 | return -1; |
132159a5 | 745 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 746 | ret = handle_job_cmd(cmd); |
132159a5 | 747 | break; |
81179eec JA |
748 | case FIO_NET_CMD_JOBLINE: |
749 | ret = handle_jobline_cmd(cmd); | |
750 | break; | |
c28e8e8c JA |
751 | case FIO_NET_CMD_PROBE: |
752 | ret = handle_probe_cmd(cmd); | |
753 | break; | |
af9c9fb3 JA |
754 | case FIO_NET_CMD_SEND_ETA: |
755 | ret = handle_send_eta_cmd(cmd); | |
756 | break; | |
b9d2f30a | 757 | case FIO_NET_CMD_RUN: |
6348b5de | 758 | ret = handle_run_cmd(job_list, cmd); |
b9d2f30a | 759 | break; |
f58bd2a4 JA |
760 | case FIO_NET_CMD_UPDATE_JOB: |
761 | ret = handle_update_job_cmd(cmd); | |
762 | break; | |
132159a5 | 763 | default: |
3c3ed070 | 764 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
765 | ret = 1; |
766 | } | |
767 | ||
768 | return ret; | |
769 | } | |
770 | ||
122c7725 | 771 | static int handle_connection(int sk) |
132159a5 JA |
772 | { |
773 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 774 | FLIST_HEAD(job_list); |
132159a5 JA |
775 | int ret = 0; |
776 | ||
122c7725 | 777 | reset_fio_state(); |
122c7725 JA |
778 | server_fd = sk; |
779 | ||
132159a5 JA |
780 | /* read forever */ |
781 | while (!exit_backend) { | |
e951bdc4 JA |
782 | struct pollfd pfd = { |
783 | .fd = sk, | |
784 | .events = POLLIN, | |
785 | }; | |
786 | ||
787 | ret = 0; | |
788 | do { | |
54163255 JA |
789 | int timeout = 1000; |
790 | ||
791 | if (!flist_empty(&job_list)) | |
792 | timeout = 100; | |
3c3ed070 | 793 | |
54163255 | 794 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
795 | if (ret < 0) { |
796 | if (errno == EINTR) | |
797 | break; | |
798 | log_err("fio: poll: %s\n", strerror(errno)); | |
799 | break; | |
19c65179 | 800 | } else if (!ret) { |
6348b5de | 801 | fio_server_check_jobs(&job_list); |
e951bdc4 | 802 | continue; |
19c65179 | 803 | } |
e951bdc4 JA |
804 | |
805 | if (pfd.revents & POLLIN) | |
806 | break; | |
807 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
808 | ret = 1; | |
809 | break; | |
810 | } | |
19c65179 | 811 | } while (!exit_backend); |
e951bdc4 | 812 | |
6348b5de | 813 | fio_server_check_jobs(&job_list); |
122c7725 | 814 | |
e951bdc4 JA |
815 | if (ret < 0) |
816 | break; | |
817 | ||
818 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 819 | if (!cmd) { |
c28e8e8c | 820 | ret = -1; |
132159a5 JA |
821 | break; |
822 | } | |
823 | ||
6348b5de | 824 | ret = handle_command(&job_list, cmd); |
132159a5 JA |
825 | if (ret) |
826 | break; | |
827 | ||
828 | free(cmd); | |
c77a99e7 | 829 | cmd = NULL; |
132159a5 JA |
830 | } |
831 | ||
832 | if (cmd) | |
833 | free(cmd); | |
834 | ||
122c7725 JA |
835 | close(sk); |
836 | _exit(ret); | |
cc0df00a JA |
837 | } |
838 | ||
50d16976 JA |
839 | static int accept_loop(int listen_sk) |
840 | { | |
bb447a27 | 841 | struct sockaddr_in addr; |
479471c4 JA |
842 | struct sockaddr_in6 addr6; |
843 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 844 | struct pollfd pfd; |
4a851614 | 845 | int ret = 0, sk, exitval = 0; |
6348b5de | 846 | FLIST_HEAD(conn_list); |
50d16976 | 847 | |
60efd14e JA |
848 | dprint(FD_NET, "server enter accept loop\n"); |
849 | ||
4a851614 | 850 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 851 | |
122c7725 | 852 | while (!exit_backend) { |
479471c4 JA |
853 | const char *from; |
854 | char buf[64]; | |
122c7725 | 855 | pid_t pid; |
009b1be4 | 856 | |
122c7725 JA |
857 | pfd.fd = listen_sk; |
858 | pfd.events = POLLIN; | |
859 | do { | |
54163255 JA |
860 | int timeout = 1000; |
861 | ||
862 | if (!flist_empty(&conn_list)) | |
863 | timeout = 100; | |
864 | ||
865 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
866 | if (ret < 0) { |
867 | if (errno == EINTR) | |
868 | break; | |
869 | log_err("fio: poll: %s\n", strerror(errno)); | |
870 | break; | |
871 | } else if (!ret) { | |
6348b5de | 872 | fio_server_check_conns(&conn_list); |
122c7725 JA |
873 | continue; |
874 | } | |
009b1be4 | 875 | |
122c7725 JA |
876 | if (pfd.revents & POLLIN) |
877 | break; | |
878 | } while (!exit_backend); | |
50d16976 | 879 | |
6348b5de | 880 | fio_server_check_conns(&conn_list); |
46c48f1f | 881 | |
122c7725 JA |
882 | if (exit_backend || ret < 0) |
883 | break; | |
884 | ||
479471c4 JA |
885 | if (use_ipv6) |
886 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
887 | else | |
888 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
889 | ||
122c7725 JA |
890 | if (sk < 0) { |
891 | log_err("fio: accept: %s\n", strerror(errno)); | |
892 | return -1; | |
893 | } | |
37db14fe | 894 | |
479471c4 JA |
895 | if (use_ipv6) |
896 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
897 | else | |
898 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
899 | ||
900 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 901 | |
122c7725 JA |
902 | pid = fork(); |
903 | if (pid) { | |
904 | close(sk); | |
6348b5de | 905 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
906 | continue; |
907 | } | |
5c341e9a | 908 | |
122c7725 JA |
909 | /* exits */ |
910 | handle_connection(sk); | |
911 | } | |
5c341e9a | 912 | |
132159a5 | 913 | return exitval; |
50d16976 JA |
914 | } |
915 | ||
084d1c6f | 916 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 917 | { |
084d1c6f JA |
918 | struct cmd_text_pdu *pdu; |
919 | unsigned int tlen; | |
920 | struct timeval tv; | |
921 | ||
922 | if (server_fd == -1) | |
923 | return log_local_buf(buf, len); | |
924 | ||
925 | tlen = sizeof(*pdu) + len; | |
926 | pdu = malloc(tlen); | |
927 | ||
928 | pdu->level = __cpu_to_le32(level); | |
929 | pdu->buf_len = __cpu_to_le32(len); | |
930 | ||
931 | gettimeofday(&tv, NULL); | |
932 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
933 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 934 | |
084d1c6f JA |
935 | memcpy(pdu->buf, buf, len); |
936 | ||
40c60516 | 937 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
938 | free(pdu); |
939 | return len; | |
142575e6 JA |
940 | } |
941 | ||
a64e88da JA |
942 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
943 | { | |
944 | dst->max_val = cpu_to_le64(src->max_val); | |
945 | dst->min_val = cpu_to_le64(src->min_val); | |
946 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
947 | |
948 | /* | |
949 | * Encode to IEEE 754 for network transfer | |
950 | */ | |
951 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
952 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
953 | } |
954 | ||
955 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
956 | { | |
957 | int i; | |
958 | ||
298921d6 | 959 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
960 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
961 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
962 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
963 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
964 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
965 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
966 | } | |
967 | ||
968 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 969 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 970 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 971 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
972 | } |
973 | ||
974 | /* | |
975 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
976 | * into a single payload. | |
977 | */ | |
978 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
979 | { | |
980 | struct cmd_ts_pdu p; | |
981 | int i, j; | |
982 | ||
60efd14e JA |
983 | dprint(FD_NET, "server sending end stats\n"); |
984 | ||
317b3c8b JA |
985 | memset(&p, 0, sizeof(p)); |
986 | ||
4e59d0f3 JA |
987 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
988 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
989 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 990 | |
2f122b13 JA |
991 | p.ts.error = cpu_to_le32(ts->error); |
992 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
993 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
994 | p.ts.pid = cpu_to_le32(ts->pid); | |
995 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 996 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 997 | |
298921d6 | 998 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
999 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1000 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1001 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1002 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1003 | } | |
1004 | ||
1005 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1006 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1007 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1008 | p.ts.minf = cpu_to_le64(ts->minf); | |
1009 | p.ts.majf = cpu_to_le64(ts->majf); | |
1010 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1011 | |
1012 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1013 | fio_fp64_t *src = &ts->percentile_list[i]; |
1014 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1015 | |
cfc03e46 | 1016 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1017 | } |
a64e88da JA |
1018 | |
1019 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1020 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1021 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1022 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1023 | } | |
1024 | ||
1025 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1026 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1027 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1028 | } | |
1029 | ||
298921d6 | 1030 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1031 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1032 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1033 | ||
78799deb | 1034 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1035 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1036 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
1037 | } |
1038 | ||
93eee04a | 1039 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1040 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1041 | ||
298921d6 | 1042 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1043 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1044 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1045 | } | |
1046 | ||
1047 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1048 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1049 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1050 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1051 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1052 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1053 | |
3e260a46 JA |
1054 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1055 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1056 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
1057 | p.ts.latency_percentile.u.i = __cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); | |
1058 | ||
a64e88da JA |
1059 | convert_gs(&p.rs, rs); |
1060 | ||
40c60516 | 1061 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1062 | } |
1063 | ||
1064 | void fio_server_send_gs(struct group_run_stats *rs) | |
1065 | { | |
1066 | struct group_run_stats gs; | |
1067 | ||
60efd14e JA |
1068 | dprint(FD_NET, "server sending group run stats\n"); |
1069 | ||
a64e88da | 1070 | convert_gs(&gs, rs); |
40c60516 | 1071 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1072 | } |
1073 | ||
d09a64a0 JA |
1074 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1075 | { | |
1076 | int i; | |
1077 | ||
1078 | for (i = 0; i < 2; i++) { | |
1079 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1080 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1081 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1082 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1083 | } | |
1084 | ||
1085 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1086 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1087 | dst->slavecount = cpu_to_le32(src->slavecount); | |
1088 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
1089 | } | |
1090 | ||
1091 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1092 | { | |
1093 | int i; | |
1094 | ||
59140421 JA |
1095 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1096 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1097 | |
1098 | for (i = 0; i < 2; i++) { | |
a3b4cf7d JA |
1099 | dst->s.ios[i] = cpu_to_le32(src->s.ios[i]); |
1100 | dst->s.merges[i] = cpu_to_le32(src->s.merges[i]); | |
1101 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); | |
1102 | dst->s.ticks[i] = cpu_to_le32(src->s.ticks[i]); | |
d09a64a0 JA |
1103 | } |
1104 | ||
a3b4cf7d JA |
1105 | dst->s.io_ticks = cpu_to_le32(src->s.io_ticks); |
1106 | dst->s.time_in_queue = cpu_to_le32(src->s.time_in_queue); | |
1107 | dst->s.msec = cpu_to_le64(src->s.msec); | |
d09a64a0 JA |
1108 | } |
1109 | ||
1110 | void fio_server_send_du(void) | |
1111 | { | |
1112 | struct disk_util *du; | |
1113 | struct flist_head *entry; | |
1114 | struct cmd_du_pdu pdu; | |
1115 | ||
1116 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1117 | ||
0766d92e JA |
1118 | memset(&pdu, 0, sizeof(pdu)); |
1119 | ||
d09a64a0 JA |
1120 | flist_for_each(entry, &disk_list) { |
1121 | du = flist_entry(entry, struct disk_util, list); | |
1122 | ||
1123 | convert_dus(&pdu.dus, &du->dus); | |
1124 | convert_agg(&pdu.agg, &du->agg); | |
1125 | ||
40c60516 | 1126 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1127 | } |
1128 | } | |
1129 | ||
53bd8dbc JA |
1130 | /* |
1131 | * Send a command with a separate PDU, not inlined in the command | |
1132 | */ | |
1133 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1134 | off_t size, uint64_t tag, uint32_t flags) | |
1135 | { | |
1136 | struct fio_net_cmd cmd; | |
1137 | struct iovec iov[2]; | |
1138 | ||
9f247261 | 1139 | iov[0].iov_base = (void *) &cmd; |
53bd8dbc JA |
1140 | iov[0].iov_len = sizeof(cmd); |
1141 | iov[1].iov_base = (void *) buf; | |
1142 | iov[1].iov_len = size; | |
1143 | ||
1144 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1145 | cmd.flags = __cpu_to_le32(flags); | |
1146 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1147 | ||
8c95307b | 1148 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1149 | } |
1150 | ||
3989b143 | 1151 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1152 | { |
3989b143 JA |
1153 | int ret = 0; |
1154 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1155 | z_stream stream; |
1156 | void *out_pdu; | |
1b42725f JA |
1157 | |
1158 | /* | |
1159 | * Dirty - since the log is potentially huge, compress it into | |
1160 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1161 | * side defragment it. | |
1162 | */ | |
1163 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1164 | ||
1165 | stream.zalloc = Z_NULL; | |
1166 | stream.zfree = Z_NULL; | |
1167 | stream.opaque = Z_NULL; | |
1168 | ||
1169 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1170 | ret = 1; |
1171 | goto err; | |
1b42725f JA |
1172 | } |
1173 | ||
f5ed765a JA |
1174 | stream.next_in = (void *) log->log; |
1175 | stream.avail_in = log->nr_samples * sizeof(struct io_sample); | |
1b42725f JA |
1176 | |
1177 | do { | |
53bd8dbc JA |
1178 | unsigned int this_len, flags = 0; |
1179 | int ret; | |
1b42725f JA |
1180 | |
1181 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1182 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1183 | ret = deflate(&stream, Z_FINISH); |
1184 | /* may be Z_OK, or Z_STREAM_END */ | |
1185 | if (ret < 0) | |
1186 | goto err_zlib; | |
1b42725f JA |
1187 | |
1188 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1189 | ||
1b42725f | 1190 | if (stream.avail_in) |
53bd8dbc | 1191 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1192 | |
53bd8dbc JA |
1193 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1194 | out_pdu, this_len, 0, flags); | |
1195 | if (ret) | |
1196 | goto err_zlib; | |
1b42725f JA |
1197 | } while (stream.avail_in); |
1198 | ||
53bd8dbc | 1199 | err_zlib: |
1b42725f | 1200 | deflateEnd(&stream); |
53bd8dbc JA |
1201 | err: |
1202 | free(out_pdu); | |
3989b143 | 1203 | #endif |
53bd8dbc | 1204 | return ret; |
1b42725f JA |
1205 | } |
1206 | ||
3989b143 JA |
1207 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1208 | { | |
1209 | struct cmd_iolog_pdu pdu; | |
1210 | int i, ret = 0; | |
1211 | ||
1212 | pdu.thread_number = cpu_to_le32(td->thread_number); | |
1213 | pdu.nr_samples = __cpu_to_le32(log->nr_samples); | |
1214 | pdu.log_type = cpu_to_le32(log->log_type); | |
1215 | pdu.compressed = cpu_to_le32(use_zlib); | |
1216 | strcpy((char *) pdu.name, name); | |
1217 | ||
1218 | for (i = 0; i < log->nr_samples; i++) { | |
1219 | struct io_sample *s = &log->log[i]; | |
1220 | ||
1221 | s->time = cpu_to_le64(s->time); | |
1222 | s->val = cpu_to_le64(s->val); | |
1223 | s->ddir = cpu_to_le32(s->ddir); | |
1224 | s->bs = cpu_to_le32(s->bs); | |
1225 | } | |
1226 | ||
1227 | /* | |
1228 | * Send header first, it's not compressed. | |
1229 | */ | |
1230 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1231 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1232 | if (ret) | |
1233 | return ret; | |
1234 | ||
1235 | /* | |
1236 | * Now send actual log, compress if we can, otherwise just plain | |
1237 | */ | |
1238 | if (use_zlib) | |
1239 | return fio_send_iolog_gz(&pdu, log); | |
1240 | ||
1241 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
1242 | log->nr_samples * sizeof(struct io_sample), 0, 0); | |
1243 | } | |
1244 | ||
2f122b13 | 1245 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1246 | { |
1247 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1248 | |
731e30a2 | 1249 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1250 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1251 | pdu.groupid = cpu_to_le32(td->groupid); | |
1252 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1253 | |
40c60516 | 1254 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1255 | } |
1256 | ||
122c7725 JA |
1257 | void fio_server_send_start(struct thread_data *td) |
1258 | { | |
1259 | assert(server_fd != -1); | |
1260 | ||
1261 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1262 | } | |
1263 | ||
87aa8f19 | 1264 | static int fio_init_server_ip(void) |
81179eec | 1265 | { |
811826be | 1266 | struct sockaddr *addr; |
67bf9823 | 1267 | socklen_t socklen; |
17e3531a JA |
1268 | char buf[80]; |
1269 | const char *str; | |
87aa8f19 | 1270 | int sk, opt; |
81179eec | 1271 | |
811826be JA |
1272 | if (use_ipv6) |
1273 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1274 | else | |
1275 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1276 | ||
81179eec JA |
1277 | if (sk < 0) { |
1278 | log_err("fio: socket: %s\n", strerror(errno)); | |
1279 | return -1; | |
1280 | } | |
1281 | ||
1282 | opt = 1; | |
1f81991e | 1283 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1284 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1285 | close(sk); |
81179eec JA |
1286 | return -1; |
1287 | } | |
1288 | #ifdef SO_REUSEPORT | |
6eb24791 | 1289 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1290 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1291 | close(sk); |
81179eec JA |
1292 | return -1; |
1293 | } | |
1294 | #endif | |
1295 | ||
811826be | 1296 | if (use_ipv6) { |
17e3531a JA |
1297 | const void *src = &saddr_in6.sin6_addr; |
1298 | ||
811826be JA |
1299 | addr = (struct sockaddr *) &saddr_in6; |
1300 | socklen = sizeof(saddr_in6); | |
1301 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1302 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1303 | } else { |
17e3531a JA |
1304 | const void *src = &saddr_in.sin_addr; |
1305 | ||
811826be JA |
1306 | addr = (struct sockaddr *) &saddr_in; |
1307 | socklen = sizeof(saddr_in); | |
1308 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1309 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1310 | } |
81179eec | 1311 | |
811826be | 1312 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1313 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1314 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1315 | close(sk); |
81179eec JA |
1316 | return -1; |
1317 | } | |
1318 | ||
87aa8f19 JA |
1319 | return sk; |
1320 | } | |
1321 | ||
1322 | static int fio_init_server_sock(void) | |
1323 | { | |
1324 | struct sockaddr_un addr; | |
67bf9823 | 1325 | socklen_t len; |
87aa8f19 JA |
1326 | mode_t mode; |
1327 | int sk; | |
1328 | ||
1329 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1330 | if (sk < 0) { | |
1331 | log_err("fio: socket: %s\n", strerror(errno)); | |
1332 | return -1; | |
1333 | } | |
1334 | ||
1335 | mode = umask(000); | |
1336 | ||
1337 | memset(&addr, 0, sizeof(addr)); | |
1338 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1339 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1340 | |
1341 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1342 | ||
1343 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1344 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1345 | close(sk); |
87aa8f19 JA |
1346 | return -1; |
1347 | } | |
1348 | ||
1349 | umask(mode); | |
1350 | return sk; | |
1351 | } | |
1352 | ||
1353 | static int fio_init_server_connection(void) | |
1354 | { | |
bebe6398 | 1355 | char bind_str[128]; |
87aa8f19 JA |
1356 | int sk; |
1357 | ||
1358 | dprint(FD_NET, "starting server\n"); | |
1359 | ||
1360 | if (!bind_sock) | |
1361 | sk = fio_init_server_ip(); | |
1362 | else | |
1363 | sk = fio_init_server_sock(); | |
1364 | ||
1365 | if (sk < 0) | |
1366 | return sk; | |
1367 | ||
afdcad23 JA |
1368 | memset(bind_str, 0, sizeof(bind_str)); |
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 | |
afdcad23 | 1389 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1390 | } else |
afdcad23 | 1391 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1392 | |
1393 | log_info("fio: server listening on %s\n", bind_str); | |
1394 | ||
89c1707c | 1395 | if (listen(sk, 0) < 0) { |
81179eec | 1396 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1397 | close(sk); |
81179eec JA |
1398 | return -1; |
1399 | } | |
1400 | ||
87aa8f19 JA |
1401 | return sk; |
1402 | } | |
1403 | ||
3aa3ceeb | 1404 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1405 | struct in6_addr *inp6) |
1406 | ||
1407 | { | |
1408 | int ret = 0; | |
1409 | ||
3aa3ceeb | 1410 | if (ipv6) |
3ec62ec4 JA |
1411 | ret = inet_pton(AF_INET6, host, inp6); |
1412 | else | |
1413 | ret = inet_pton(AF_INET, host, inp); | |
1414 | ||
1415 | if (ret != 1) { | |
479471c4 JA |
1416 | struct addrinfo hints, *res; |
1417 | ||
1418 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1419 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1420 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1421 | |
479471c4 JA |
1422 | ret = getaddrinfo(host, NULL, &hints, &res); |
1423 | if (ret) { | |
1424 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1425 | gai_strerror(ret)); | |
3caf43e3 | 1426 | return 1; |
3ec62ec4 JA |
1427 | } |
1428 | ||
3aa3ceeb | 1429 | if (ipv6) |
479471c4 JA |
1430 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1431 | else | |
1432 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1433 | ||
3ec62ec4 | 1434 | ret = 1; |
479471c4 | 1435 | freeaddrinfo(res); |
3ec62ec4 JA |
1436 | } |
1437 | ||
1438 | return !(ret == 1); | |
1439 | } | |
1440 | ||
660a2bfb JA |
1441 | /* |
1442 | * Parse a host/ip/port string. Reads from 'str'. | |
1443 | * | |
1444 | * Outputs: | |
1445 | * | |
1446 | * For IPv4: | |
1447 | * *ptr is the host, *port is the port, inp is the destination. | |
1448 | * For IPv6: | |
1449 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1450 | * For local domain sockets: | |
1451 | * *ptr is the filename, *is_sock is 1. | |
1452 | */ | |
bebe6398 | 1453 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1454 | int *port, struct in_addr *inp, |
1455 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1456 | { |
76867621 JA |
1457 | const char *host = str; |
1458 | char *portp; | |
3ec62ec4 | 1459 | int lport = 0; |
76867621 | 1460 | |
bebe6398 JA |
1461 | *ptr = NULL; |
1462 | *is_sock = 0; | |
6d2cf394 | 1463 | *port = fio_net_port; |
811826be | 1464 | *ipv6 = 0; |
bebe6398 JA |
1465 | |
1466 | if (!strncmp(str, "sock:", 5)) { | |
1467 | *ptr = strdup(str + 5); | |
1468 | *is_sock = 1; | |
76867621 JA |
1469 | |
1470 | return 0; | |
1471 | } | |
1472 | ||
1473 | /* | |
1474 | * Is it ip:<ip or host>:port | |
1475 | */ | |
1476 | if (!strncmp(host, "ip:", 3)) | |
1477 | host += 3; | |
1478 | else if (!strncmp(host, "ip4:", 4)) | |
1479 | host += 4; | |
1480 | else if (!strncmp(host, "ip6:", 4)) { | |
1481 | host += 4; | |
1482 | *ipv6 = 1; | |
1483 | } else if (host[0] == ':') { | |
1484 | /* String is :port */ | |
1485 | host++; | |
1486 | lport = atoi(host); | |
1487 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1488 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1489 | return 1; |
1490 | } | |
1491 | /* no hostname given, we are done */ | |
1492 | *port = lport; | |
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | /* | |
b96b90c3 | 1497 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1498 | */ |
1499 | if (!lport) { | |
1500 | portp = strchr(host, ','); | |
1501 | if (portp) { | |
1502 | *portp = '\0'; | |
1503 | portp++; | |
1504 | lport = atoi(portp); | |
bebe6398 | 1505 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1506 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1507 | return 1; |
1508 | } | |
bebe6398 | 1509 | } |
76867621 | 1510 | } |
bebe6398 | 1511 | |
76867621 JA |
1512 | if (lport) |
1513 | *port = lport; | |
bebe6398 | 1514 | |
76867621 JA |
1515 | if (!strlen(host)) |
1516 | return 0; | |
bebe6398 | 1517 | |
76867621 | 1518 | *ptr = strdup(host); |
811826be | 1519 | |
3aa3ceeb | 1520 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1521 | free(*ptr); |
1522 | *ptr = NULL; | |
1523 | return 1; | |
bebe6398 JA |
1524 | } |
1525 | ||
1526 | if (*port == 0) | |
1527 | *port = fio_net_port; | |
1528 | ||
1529 | return 0; | |
1530 | } | |
1531 | ||
87aa8f19 JA |
1532 | /* |
1533 | * Server arg should be one of: | |
1534 | * | |
1535 | * sock:/path/to/socket | |
1536 | * ip:1.2.3.4 | |
1537 | * 1.2.3.4 | |
1538 | * | |
1539 | * Where sock uses unix domain sockets, and ip binds the server to | |
1540 | * a specific interface. If no arguments are given to the server, it | |
1541 | * uses IP and binds to 0.0.0.0. | |
1542 | * | |
1543 | */ | |
1544 | static int fio_handle_server_arg(void) | |
1545 | { | |
6d2cf394 | 1546 | int port = fio_net_port; |
a7de0a11 | 1547 | int is_sock, ret = 0; |
bebe6398 | 1548 | |
87aa8f19 JA |
1549 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1550 | ||
1551 | if (!fio_server_arg) | |
a7de0a11 | 1552 | goto out; |
87aa8f19 | 1553 | |
4e5b8fb8 | 1554 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1555 | &port, &saddr_in.sin_addr, |
1556 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1557 | |
1558 | if (!is_sock && bind_sock) { | |
1559 | free(bind_sock); | |
1560 | bind_sock = NULL; | |
1561 | } | |
1562 | ||
a7de0a11 | 1563 | out: |
6d2cf394 JA |
1564 | fio_net_port = port; |
1565 | saddr_in.sin_port = htons(port); | |
811826be | 1566 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1567 | return ret; |
87aa8f19 JA |
1568 | } |
1569 | ||
43cdea1d JA |
1570 | static void sig_int(int sig) |
1571 | { | |
1572 | if (bind_sock) | |
1573 | unlink(bind_sock); | |
1574 | } | |
1575 | ||
1576 | static void set_sig_handlers(void) | |
1577 | { | |
1578 | struct sigaction act; | |
1579 | ||
1580 | memset(&act, 0, sizeof(act)); | |
1581 | act.sa_handler = sig_int; | |
1582 | act.sa_flags = SA_RESTART; | |
1583 | sigaction(SIGINT, &act, NULL); | |
1584 | } | |
1585 | ||
87aa8f19 JA |
1586 | static int fio_server(void) |
1587 | { | |
1588 | int sk, ret; | |
1589 | ||
1590 | dprint(FD_NET, "starting server\n"); | |
1591 | ||
1592 | if (fio_handle_server_arg()) | |
1593 | return -1; | |
1594 | ||
1595 | sk = fio_init_server_connection(); | |
1596 | if (sk < 0) | |
1597 | return -1; | |
81179eec | 1598 | |
43cdea1d JA |
1599 | set_sig_handlers(); |
1600 | ||
81179eec | 1601 | ret = accept_loop(sk); |
87aa8f19 | 1602 | |
81179eec | 1603 | close(sk); |
87aa8f19 JA |
1604 | |
1605 | if (fio_server_arg) { | |
1606 | free(fio_server_arg); | |
1607 | fio_server_arg = NULL; | |
1608 | } | |
bebe6398 JA |
1609 | if (bind_sock) |
1610 | free(bind_sock); | |
87aa8f19 | 1611 | |
81179eec JA |
1612 | return ret; |
1613 | } | |
1614 | ||
7b821684 | 1615 | void fio_server_got_signal(int signal) |
9abea48b | 1616 | { |
7b821684 JA |
1617 | if (signal == SIGPIPE) |
1618 | server_fd = -1; | |
1619 | else { | |
1620 | log_info("\nfio: terminating on signal %d\n", signal); | |
1621 | exit_backend = 1; | |
1622 | } | |
9abea48b JA |
1623 | } |
1624 | ||
13755d94 JA |
1625 | static int check_existing_pidfile(const char *pidfile) |
1626 | { | |
1627 | struct stat sb; | |
1628 | char buf[16]; | |
1629 | pid_t pid; | |
1630 | FILE *f; | |
1631 | ||
1632 | if (stat(pidfile, &sb)) | |
1633 | return 0; | |
1634 | ||
1635 | f = fopen(pidfile, "r"); | |
1636 | if (!f) | |
1637 | return 0; | |
1638 | ||
bfc3b179 | 1639 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1640 | fclose(f); |
1641 | return 1; | |
1642 | } | |
1643 | fclose(f); | |
1644 | ||
1645 | pid = atoi(buf); | |
1646 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1647 | return errno != ESRCH; |
13755d94 JA |
1648 | |
1649 | return 1; | |
1650 | } | |
1651 | ||
1652 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1653 | { |
1654 | FILE *fpid; | |
1655 | ||
1656 | fpid = fopen(pidfile, "w"); | |
1657 | if (!fpid) { | |
1658 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1659 | return 1; |
402668f3 JA |
1660 | } |
1661 | ||
1662 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1663 | fclose(fpid); |
1664 | return 0; | |
402668f3 JA |
1665 | } |
1666 | ||
1667 | /* | |
1668 | * If pidfile is specified, background us. | |
1669 | */ | |
1670 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1671 | { |
1672 | pid_t pid; | |
402668f3 | 1673 | int ret; |
e46d8091 | 1674 | |
93bcfd20 | 1675 | #if defined(WIN32) |
905c78b9 | 1676 | WSADATA wsd; |
3c3ed070 | 1677 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1678 | #endif |
1679 | ||
402668f3 | 1680 | if (!pidfile) |
e46d8091 JA |
1681 | return fio_server(); |
1682 | ||
13755d94 JA |
1683 | if (check_existing_pidfile(pidfile)) { |
1684 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1685 | pidfile); | |
b8ba87ac | 1686 | free(pidfile); |
13755d94 JA |
1687 | return -1; |
1688 | } | |
1689 | ||
e46d8091 JA |
1690 | pid = fork(); |
1691 | if (pid < 0) { | |
13755d94 | 1692 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1693 | free(pidfile); |
c28e8e8c | 1694 | return -1; |
402668f3 | 1695 | } else if (pid) { |
13755d94 JA |
1696 | int ret = write_pid(pid, pidfile); |
1697 | ||
b8ba87ac | 1698 | free(pidfile); |
13755d94 | 1699 | exit(ret); |
402668f3 | 1700 | } |
e46d8091 JA |
1701 | |
1702 | setsid(); | |
13755d94 JA |
1703 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1704 | log_syslog = 1; | |
e46d8091 JA |
1705 | close(STDIN_FILENO); |
1706 | close(STDOUT_FILENO); | |
1707 | close(STDERR_FILENO); | |
1708 | f_out = NULL; | |
1709 | f_err = NULL; | |
402668f3 JA |
1710 | |
1711 | ret = fio_server(); | |
1712 | ||
1713 | closelog(); | |
1714 | unlink(pidfile); | |
1715 | free(pidfile); | |
1716 | return ret; | |
e46d8091 | 1717 | } |
87aa8f19 | 1718 | |
bebe6398 | 1719 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1720 | { |
1721 | fio_server_arg = strdup(arg); | |
1722 | } |