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" |
ca09be4b JA |
27 | #include "verify.h" |
28 | #include "smalloc.h" | |
89cf1480 | 29 | |
5adc2447 | 30 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 31 | |
009b1be4 JA |
32 | int exit_backend = 0; |
33 | ||
46c48f1f | 34 | static int server_fd = -1; |
87aa8f19 JA |
35 | static char *fio_server_arg; |
36 | static char *bind_sock; | |
37 | static struct sockaddr_in saddr_in; | |
811826be | 38 | static struct sockaddr_in6 saddr_in6; |
811826be | 39 | static int use_ipv6; |
3989b143 JA |
40 | #ifdef CONFIG_ZLIB |
41 | static unsigned int has_zlib = 1; | |
42 | #else | |
43 | static unsigned int has_zlib = 0; | |
44 | #endif | |
45 | static unsigned int use_zlib; | |
ca09be4b | 46 | static char me[128]; |
37db14fe | 47 | |
122c7725 JA |
48 | struct fio_fork_item { |
49 | struct flist_head list; | |
50 | int exitval; | |
51 | int signal; | |
52 | int exited; | |
53 | pid_t pid; | |
54 | }; | |
55 | ||
ca09be4b JA |
56 | struct cmd_reply { |
57 | struct fio_mutex lock; | |
58 | void *data; | |
59 | size_t size; | |
60 | int error; | |
61 | }; | |
62 | ||
89c1707c JA |
63 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
64 | "", | |
65 | "QUIT", | |
66 | "EXIT", | |
67 | "JOB", | |
68 | "JOBLINE", | |
69 | "TEXT", | |
70 | "TS", | |
71 | "GS", | |
72 | "SEND_ETA", | |
73 | "ETA", | |
74 | "PROBE", | |
75 | "START", | |
d09a64a0 JA |
76 | "STOP", |
77 | "DISK_UTIL", | |
b9d2f30a | 78 | "SERVER_START", |
807f9971 | 79 | "ADD_JOB", |
ca09be4b JA |
80 | "RUN", |
81 | "IOLOG", | |
82 | "UPDATE_JOB", | |
83 | "LOAD_FILE", | |
84 | "VTRIGGER", | |
85 | "SENDFILE", | |
89c1707c JA |
86 | }; |
87 | ||
88 | const char *fio_server_op(unsigned int op) | |
89 | { | |
90 | static char buf[32]; | |
91 | ||
92 | if (op < FIO_NET_CMD_NR) | |
93 | return fio_server_ops[op]; | |
94 | ||
95 | sprintf(buf, "UNKNOWN/%d", op); | |
96 | return buf; | |
97 | } | |
98 | ||
5235f626 | 99 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 100 | { |
5235f626 | 101 | ssize_t ret = 0; |
794d69ca | 102 | |
5235f626 JA |
103 | while (count--) { |
104 | ret += iov->iov_len; | |
105 | iov++; | |
106 | } | |
107 | ||
108 | return ret; | |
109 | } | |
132159a5 | 110 | |
5235f626 JA |
111 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
112 | { | |
113 | ssize_t total_len = iov_total_len(iov, count); | |
114 | ssize_t ret; | |
115 | ||
116 | do { | |
117 | ret = writev(sk, iov, count); | |
132159a5 | 118 | if (ret > 0) { |
5235f626 JA |
119 | total_len -= ret; |
120 | if (!total_len) | |
132159a5 | 121 | break; |
5235f626 JA |
122 | |
123 | while (ret) { | |
124 | if (ret >= iov->iov_len) { | |
125 | ret -= iov->iov_len; | |
126 | iov++; | |
127 | continue; | |
128 | } | |
129 | iov->iov_base += ret; | |
130 | iov->iov_len -= ret; | |
131 | ret = 0; | |
132 | } | |
132159a5 JA |
133 | } else if (!ret) |
134 | break; | |
135 | else if (errno == EAGAIN || errno == EINTR) | |
136 | continue; | |
7b821684 JA |
137 | else |
138 | break; | |
132159a5 JA |
139 | } while (!exit_backend); |
140 | ||
5235f626 | 141 | if (!total_len) |
132159a5 JA |
142 | return 0; |
143 | ||
8b4e61b2 JA |
144 | if (errno) |
145 | return -errno; | |
146 | ||
132159a5 JA |
147 | return 1; |
148 | } | |
149 | ||
5235f626 JA |
150 | int fio_send_data(int sk, const void *p, unsigned int len) |
151 | { | |
152 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
153 | ||
154 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
155 | ||
156 | return fio_sendv_data(sk, &iov, 1); | |
157 | } | |
158 | ||
132159a5 JA |
159 | int fio_recv_data(int sk, void *p, unsigned int len) |
160 | { | |
161 | do { | |
162 | int ret = recv(sk, p, len, MSG_WAITALL); | |
163 | ||
164 | if (ret > 0) { | |
165 | len -= ret; | |
166 | if (!len) | |
167 | break; | |
168 | p += ret; | |
169 | continue; | |
170 | } else if (!ret) | |
171 | break; | |
172 | else if (errno == EAGAIN || errno == EINTR) | |
173 | continue; | |
7b821684 JA |
174 | else |
175 | break; | |
132159a5 JA |
176 | } while (!exit_backend); |
177 | ||
178 | if (!len) | |
179 | return 0; | |
180 | ||
181 | return -1; | |
182 | } | |
183 | ||
184 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
185 | { | |
fcee5ff6 | 186 | uint16_t crc; |
132159a5 | 187 | |
fcee5ff6 JA |
188 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
189 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 190 | |
25dfa848 | 191 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 192 | if (crc != cmd->cmd_crc16) { |
132159a5 | 193 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 194 | cmd->cmd_crc16, crc); |
132159a5 JA |
195 | return 1; |
196 | } | |
197 | ||
198 | cmd->version = le16_to_cpu(cmd->version); | |
199 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
200 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 201 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
202 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
203 | ||
204 | switch (cmd->version) { | |
fa2ea806 | 205 | case FIO_SERVER_VER: |
132159a5 JA |
206 | break; |
207 | default: | |
208 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
209 | return 1; | |
210 | } | |
211 | ||
b9d2f30a | 212 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
213 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
214 | return 1; | |
215 | } | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
a64e88da JA |
220 | /* |
221 | * Read (and defragment, if necessary) incoming commands | |
222 | */ | |
e951bdc4 | 223 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 224 | { |
dfbf1f6f | 225 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 226 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 227 | uint16_t crc; |
a64e88da JA |
228 | int ret, first = 1; |
229 | void *pdu = NULL; | |
132159a5 | 230 | |
a64e88da JA |
231 | do { |
232 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
233 | if (ret) | |
234 | break; | |
132159a5 | 235 | |
a64e88da JA |
236 | /* We have a command, verify it and swap if need be */ |
237 | ret = verify_convert_cmd(&cmd); | |
238 | if (ret) | |
239 | break; | |
132159a5 | 240 | |
0b8f30a5 JA |
241 | if (first) { |
242 | /* if this is text, add room for \0 at the end */ | |
243 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
244 | assert(!cmdret); | |
245 | } else | |
a64e88da | 246 | cmd_size += cmd.pdu_len; |
132159a5 | 247 | |
dfbf1f6f JA |
248 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
249 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
250 | ret = 1; | |
251 | break; | |
252 | } | |
253 | ||
254 | tmp = realloc(cmdret, cmd_size); | |
255 | if (!tmp) { | |
256 | log_err("fio: server failed allocating cmd\n"); | |
257 | ret = 1; | |
258 | break; | |
259 | } | |
260 | cmdret = tmp; | |
132159a5 | 261 | |
a64e88da JA |
262 | if (first) |
263 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
264 | else if (cmdret->opcode != cmd.opcode) { |
265 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
266 | cmdret->opcode, cmd.opcode); | |
267 | ret = 1; | |
268 | break; | |
269 | } | |
a64e88da JA |
270 | |
271 | if (!cmd.pdu_len) | |
272 | break; | |
273 | ||
274 | /* There's payload, get it */ | |
275 | pdu = (void *) cmdret->payload + pdu_offset; | |
276 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
277 | if (ret) | |
278 | break; | |
279 | ||
280 | /* Verify payload crc */ | |
25dfa848 | 281 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
282 | if (crc != cmd.pdu_crc16) { |
283 | log_err("fio: server bad crc on payload "); | |
284 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
285 | ret = 1; | |
286 | break; | |
287 | } | |
288 | ||
289 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
290 | if (!first) |
291 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
292 | first = 0; |
293 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 294 | |
a64e88da JA |
295 | if (ret) { |
296 | free(cmdret); | |
297 | cmdret = NULL; | |
0b8f30a5 JA |
298 | } else if (cmdret) { |
299 | /* zero-terminate text input */ | |
084d1c6f JA |
300 | if (cmdret->pdu_len) { |
301 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
302 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
303 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 304 | |
8a1db9a1 | 305 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 306 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
307 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
308 | char *buf = (char *) __pdu->buf; | |
309 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 310 | |
46bcd498 | 311 | buf[len] = '\0'; |
084d1c6f | 312 | } |
0b8f30a5 | 313 | } |
084d1c6f | 314 | |
0b8f30a5 | 315 | /* frag flag is internal */ |
a64e88da | 316 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 317 | } |
a64e88da JA |
318 | |
319 | return cmdret; | |
132159a5 JA |
320 | } |
321 | ||
40c60516 JA |
322 | static void add_reply(uint64_t tag, struct flist_head *list) |
323 | { | |
a572bbfb | 324 | struct fio_net_cmd_reply *reply; |
40c60516 | 325 | |
a572bbfb | 326 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
327 | flist_add_tail(&reply->list, list); |
328 | } | |
329 | ||
330 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
331 | { | |
332 | struct fio_net_cmd_reply *reply; | |
333 | ||
334 | reply = calloc(1, sizeof(*reply)); | |
335 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 336 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
337 | reply->saved_tag = tag; |
338 | reply->opcode = opcode; | |
339 | ||
340 | return (uintptr_t) reply; | |
341 | } | |
342 | ||
343 | static void free_reply(uint64_t tag) | |
344 | { | |
a572bbfb | 345 | struct fio_net_cmd_reply *reply; |
40c60516 | 346 | |
a572bbfb | 347 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
348 | free(reply); |
349 | } | |
350 | ||
53bd8dbc | 351 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
352 | { |
353 | uint32_t pdu_len; | |
354 | ||
25dfa848 | 355 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
356 | |
357 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
358 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
359 | } | |
360 | ||
361 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
362 | { | |
363 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
364 | } |
365 | ||
af9c9fb3 | 366 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 367 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 368 | { |
7f868316 JA |
369 | struct fio_net_cmd *cmd = NULL; |
370 | size_t this_len, cur_len = 0; | |
40c60516 | 371 | uint64_t tag; |
794d69ca JA |
372 | int ret; |
373 | ||
40c60516 JA |
374 | if (list) { |
375 | assert(tagptr); | |
376 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
377 | } else | |
378 | tag = tagptr ? *tagptr : 0; | |
379 | ||
794d69ca JA |
380 | do { |
381 | this_len = size; | |
b9d2f30a JA |
382 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
383 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 384 | |
7f868316 JA |
385 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
386 | if (cmd) | |
387 | free(cmd); | |
388 | ||
389 | cur_len = sizeof(*cmd) + this_len; | |
390 | cmd = malloc(cur_len); | |
391 | } | |
794d69ca | 392 | |
af9c9fb3 | 393 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
394 | |
395 | if (this_len < size) | |
ddcc0b69 | 396 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
397 | |
398 | fio_net_cmd_crc(cmd); | |
399 | ||
400 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
401 | size -= this_len; |
402 | buf += this_len; | |
403 | } while (!ret && size); | |
404 | ||
40c60516 JA |
405 | if (list) { |
406 | if (ret) | |
407 | free_reply(tag); | |
408 | else | |
409 | add_reply(tag, list); | |
410 | } | |
411 | ||
7f868316 JA |
412 | if (cmd) |
413 | free(cmd); | |
414 | ||
794d69ca JA |
415 | return ret; |
416 | } | |
417 | ||
89c1707c | 418 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 419 | { |
178cde9f | 420 | struct fio_net_cmd cmd; |
132159a5 | 421 | |
af9c9fb3 | 422 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
423 | fio_net_cmd_crc(&cmd); |
424 | ||
425 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
426 | } | |
427 | ||
89c1707c JA |
428 | /* |
429 | * If 'list' is non-NULL, then allocate and store the sent command for | |
430 | * later verification. | |
431 | */ | |
432 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
433 | struct flist_head *list) | |
434 | { | |
89c1707c JA |
435 | int ret; |
436 | ||
40c60516 JA |
437 | if (list) |
438 | tag = alloc_reply(tag, opcode); | |
89c1707c | 439 | |
40c60516 | 440 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 441 | if (ret) { |
40c60516 JA |
442 | if (list) |
443 | free_reply(tag); | |
444 | ||
89c1707c JA |
445 | return ret; |
446 | } | |
447 | ||
40c60516 JA |
448 | if (list) |
449 | add_reply(tag, list); | |
450 | ||
89c1707c JA |
451 | return 0; |
452 | } | |
453 | ||
122c7725 | 454 | int fio_net_send_quit(int sk) |
437377e1 | 455 | { |
46c48f1f | 456 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 457 | |
8c95307b | 458 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
459 | } |
460 | ||
f58bd2a4 JA |
461 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
462 | int signal) | |
132159a5 | 463 | { |
11e950bd | 464 | struct cmd_end_pdu epdu; |
f58bd2a4 | 465 | uint64_t tag = 0; |
122c7725 | 466 | |
f58bd2a4 JA |
467 | if (cmd) |
468 | tag = cmd->tag; | |
122c7725 JA |
469 | |
470 | epdu.error = __cpu_to_le32(error); | |
471 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 472 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
473 | } |
474 | ||
475 | int fio_net_send_stop(int sk, int error, int signal) | |
476 | { | |
477 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
478 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
479 | } |
480 | ||
481 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
482 | { | |
483 | struct fio_fork_item *ffi; | |
484 | ||
485 | ffi = malloc(sizeof(*ffi)); | |
486 | ffi->exitval = 0; | |
487 | ffi->signal = 0; | |
488 | ffi->exited = 0; | |
489 | ffi->pid = pid; | |
490 | flist_add_tail(&ffi->list, list); | |
491 | } | |
492 | ||
6348b5de | 493 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 494 | { |
a7533dbd | 495 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 496 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
497 | } |
498 | ||
6348b5de | 499 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 500 | { |
a7533dbd | 501 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 502 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
503 | } |
504 | ||
505 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
506 | { | |
507 | int ret, status; | |
508 | ||
509 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
510 | if (ret < 0) { | |
511 | if (errno == ECHILD) { | |
a7533dbd | 512 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
513 | ffi->exited = 1; |
514 | } else | |
515 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
516 | } else if (ret == ffi->pid) { | |
517 | if (WIFSIGNALED(status)) { | |
518 | ffi->signal = WTERMSIG(status); | |
519 | ffi->exited = 1; | |
520 | } | |
521 | if (WIFEXITED(status)) { | |
522 | if (WEXITSTATUS(status)) | |
523 | ffi->exitval = WEXITSTATUS(status); | |
524 | ffi->exited = 1; | |
525 | } | |
526 | } | |
527 | } | |
528 | ||
529 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
530 | { | |
a7533dbd | 531 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
532 | |
533 | /* | |
534 | * Fold STOP and QUIT... | |
535 | */ | |
536 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
537 | fio_net_send_quit(server_fd); | |
538 | flist_del(&ffi->list); | |
539 | free(ffi); | |
540 | } | |
541 | ||
54163255 | 542 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
543 | { |
544 | struct flist_head *entry, *tmp; | |
545 | struct fio_fork_item *ffi; | |
546 | ||
547 | flist_for_each_safe(entry, tmp, list) { | |
548 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
549 | ||
550 | fio_server_check_fork_item(ffi); | |
551 | ||
552 | if (ffi->exited) | |
553 | fio_server_fork_item_done(ffi); | |
554 | } | |
555 | } | |
556 | ||
6348b5de | 557 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 558 | { |
6348b5de | 559 | fio_server_check_fork_items(job_list); |
122c7725 JA |
560 | } |
561 | ||
6348b5de | 562 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 563 | { |
6348b5de | 564 | fio_server_check_fork_items(conn_list); |
122c7725 JA |
565 | } |
566 | ||
323255cc JA |
567 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
568 | { | |
569 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
570 | void *file_name = pdu->file; | |
571 | struct cmd_start_pdu spdu; | |
572 | ||
573 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
574 | ||
575 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
576 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
577 | ||
578 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
579 | fio_net_send_quit(server_fd); | |
580 | return -1; | |
581 | } | |
582 | ||
583 | spdu.jobs = cpu_to_le32(thread_number); | |
584 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
585 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); | |
586 | return 0; | |
587 | } | |
588 | ||
6348b5de | 589 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
122c7725 JA |
590 | { |
591 | pid_t pid; | |
a64e88da | 592 | int ret; |
132159a5 | 593 | |
cbb1303c | 594 | fio_time_init(); |
122c7725 | 595 | set_genesis_time(); |
11e950bd | 596 | |
122c7725 JA |
597 | pid = fork(); |
598 | if (pid) { | |
6348b5de | 599 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
600 | return 0; |
601 | } | |
11e950bd | 602 | |
122c7725 | 603 | ret = fio_backend(); |
2bb3f0a7 | 604 | free_threads_shm(); |
122c7725 | 605 | _exit(ret); |
81179eec JA |
606 | } |
607 | ||
b9d2f30a JA |
608 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
609 | { | |
46bcd498 JA |
610 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
611 | void *buf = pdu->buf; | |
b9d2f30a JA |
612 | struct cmd_start_pdu spdu; |
613 | ||
46bcd498 JA |
614 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
615 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
616 | ||
617 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 618 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
619 | return -1; |
620 | } | |
621 | ||
622 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 623 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 624 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
625 | return 0; |
626 | } | |
627 | ||
81179eec JA |
628 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
629 | { | |
fa2ea806 JA |
630 | void *pdu = cmd->payload; |
631 | struct cmd_single_line_pdu *cslp; | |
632 | struct cmd_line_pdu *clp; | |
633 | unsigned long offset; | |
b9d2f30a | 634 | struct cmd_start_pdu spdu; |
fa2ea806 | 635 | char **argv; |
b9d2f30a | 636 | int i; |
81179eec | 637 | |
fa2ea806 JA |
638 | clp = pdu; |
639 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 640 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
641 | argv = malloc(clp->lines * sizeof(char *)); |
642 | offset = sizeof(*clp); | |
81179eec | 643 | |
fa2ea806 | 644 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 645 | |
fa2ea806 JA |
646 | for (i = 0; i < clp->lines; i++) { |
647 | cslp = pdu + offset; | |
648 | argv[i] = (char *) cslp->text; | |
649 | ||
650 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
651 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
652 | } | |
81179eec | 653 | |
46bcd498 | 654 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 655 | fio_net_send_quit(server_fd); |
fa2ea806 | 656 | free(argv); |
81179eec | 657 | return -1; |
e6d1c668 | 658 | } |
81179eec | 659 | |
fa2ea806 JA |
660 | free(argv); |
661 | ||
b9d2f30a | 662 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 663 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 664 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 665 | return 0; |
132159a5 JA |
666 | } |
667 | ||
c28e8e8c JA |
668 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
669 | { | |
3989b143 JA |
670 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
671 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 672 | uint64_t tag = cmd->tag; |
c28e8e8c | 673 | |
89c1707c JA |
674 | dprint(FD_NET, "server: sending probe reply\n"); |
675 | ||
ca09be4b JA |
676 | strcpy(me, (char *) pdu->server); |
677 | ||
c28e8e8c JA |
678 | memset(&probe, 0, sizeof(probe)); |
679 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 680 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
681 | probe.bigendian = 1; |
682 | #endif | |
750db473 | 683 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 684 | |
cca84643 JA |
685 | probe.os = FIO_OS; |
686 | probe.arch = FIO_ARCH; | |
38fdef22 | 687 | probe.bpp = sizeof(void *); |
d31e26d0 | 688 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
689 | |
690 | /* | |
691 | * If the client supports compression and we do too, then enable it | |
692 | */ | |
693 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
694 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
695 | use_zlib = 1; | |
696 | } else { | |
697 | probe.flags = 0; | |
698 | use_zlib = 0; | |
699 | } | |
38fdef22 | 700 | |
40c60516 | 701 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
702 | } |
703 | ||
704 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
705 | { | |
706 | struct jobs_eta *je; | |
40c60516 | 707 | uint64_t tag = cmd->tag; |
723297c9 | 708 | size_t size; |
af9c9fb3 JA |
709 | int i; |
710 | ||
723297c9 JA |
711 | je = get_jobs_eta(1, &size); |
712 | if (!je) | |
af9c9fb3 | 713 | return 0; |
af9c9fb3 JA |
714 | |
715 | dprint(FD_NET, "server sending status\n"); | |
716 | ||
717 | je->nr_running = cpu_to_le32(je->nr_running); | |
718 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
719 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
714e85f3 | 720 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
af9c9fb3 | 721 | je->files_open = cpu_to_le32(je->files_open); |
af9c9fb3 | 722 | |
298921d6 | 723 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
724 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
725 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
726 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
727 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
728 | je->rate[i] = cpu_to_le32(je->rate[i]); |
729 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
730 | } |
731 | ||
c1970b90 | 732 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 733 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 734 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 735 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 736 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 737 | |
40c60516 | 738 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
739 | free(je); |
740 | return 0; | |
c28e8e8c JA |
741 | } |
742 | ||
40c60516 JA |
743 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
744 | { | |
745 | uint64_t tag = __tag; | |
746 | uint32_t pdu_error; | |
747 | ||
748 | pdu_error = __cpu_to_le32(error); | |
749 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
750 | } | |
751 | ||
f58bd2a4 JA |
752 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
753 | { | |
754 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
755 | struct thread_data *td; | |
756 | uint32_t tnumber; | |
757 | ||
758 | tnumber = le32_to_cpu(pdu->thread_number); | |
759 | ||
760 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
761 | ||
30ffacbf | 762 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 763 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
764 | return 0; |
765 | } | |
766 | ||
30ffacbf | 767 | td = &threads[tnumber - 1]; |
f58bd2a4 | 768 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 769 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
770 | return 0; |
771 | } | |
772 | ||
ca09be4b JA |
773 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
774 | { | |
775 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
776 | char *buf = (char *) pdu->cmd; | |
777 | struct all_io_list *rep; | |
778 | size_t sz; | |
779 | ||
780 | pdu->len = le16_to_cpu(pdu->len); | |
781 | buf[pdu->len] = '\0'; | |
782 | ||
783 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
784 | if (!rep) { | |
785 | struct all_io_list state; | |
786 | ||
787 | state.threads = cpu_to_le64((uint64_t) 0); | |
788 | fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, NULL); | |
789 | } else { | |
790 | fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, rep, sz, NULL, NULL); | |
791 | free(rep); | |
792 | } | |
793 | ||
794 | exec_trigger(buf); | |
795 | return 0; | |
796 | } | |
797 | ||
6348b5de | 798 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
132159a5 JA |
799 | { |
800 | int ret; | |
801 | ||
4b91ee8f JA |
802 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
803 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
804 | (unsigned long long) cmd->tag); | |
46c48f1f | 805 | |
132159a5 JA |
806 | switch (cmd->opcode) { |
807 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 808 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 809 | return -1; |
d7959186 | 810 | case FIO_NET_CMD_EXIT: |
132159a5 | 811 | exit_backend = 1; |
c28e8e8c | 812 | return -1; |
323255cc JA |
813 | case FIO_NET_CMD_LOAD_FILE: |
814 | ret = handle_load_file_cmd(cmd); | |
815 | break; | |
132159a5 | 816 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 817 | ret = handle_job_cmd(cmd); |
132159a5 | 818 | break; |
81179eec JA |
819 | case FIO_NET_CMD_JOBLINE: |
820 | ret = handle_jobline_cmd(cmd); | |
821 | break; | |
c28e8e8c JA |
822 | case FIO_NET_CMD_PROBE: |
823 | ret = handle_probe_cmd(cmd); | |
824 | break; | |
af9c9fb3 JA |
825 | case FIO_NET_CMD_SEND_ETA: |
826 | ret = handle_send_eta_cmd(cmd); | |
827 | break; | |
b9d2f30a | 828 | case FIO_NET_CMD_RUN: |
6348b5de | 829 | ret = handle_run_cmd(job_list, cmd); |
b9d2f30a | 830 | break; |
f58bd2a4 JA |
831 | case FIO_NET_CMD_UPDATE_JOB: |
832 | ret = handle_update_job_cmd(cmd); | |
833 | break; | |
ca09be4b JA |
834 | case FIO_NET_CMD_VTRIGGER: |
835 | ret = handle_trigger_cmd(cmd); | |
836 | break; | |
837 | case FIO_NET_CMD_SENDFILE: { | |
838 | struct cmd_sendfile_reply *in; | |
839 | struct cmd_reply *rep; | |
840 | ||
841 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
842 | ||
843 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
844 | in->size = le32_to_cpu(in->size); | |
845 | in->error = le32_to_cpu(in->error); | |
846 | if (in->error) { | |
847 | ret = 1; | |
848 | rep->error = in->error; | |
849 | } else { | |
850 | ret = 0; | |
851 | rep->data = smalloc(in->size); | |
852 | if (!rep->data) { | |
853 | ret = 1; | |
854 | rep->error = ENOMEM; | |
855 | } else { | |
856 | rep->size = in->size; | |
857 | memcpy(rep->data, in->data, in->size); | |
858 | } | |
859 | } | |
860 | fio_mutex_up(&rep->lock); | |
861 | break; | |
862 | } | |
132159a5 | 863 | default: |
3c3ed070 | 864 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
865 | ret = 1; |
866 | } | |
867 | ||
868 | return ret; | |
869 | } | |
870 | ||
122c7725 | 871 | static int handle_connection(int sk) |
132159a5 JA |
872 | { |
873 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 874 | FLIST_HEAD(job_list); |
132159a5 JA |
875 | int ret = 0; |
876 | ||
122c7725 | 877 | reset_fio_state(); |
122c7725 JA |
878 | server_fd = sk; |
879 | ||
132159a5 JA |
880 | /* read forever */ |
881 | while (!exit_backend) { | |
e951bdc4 JA |
882 | struct pollfd pfd = { |
883 | .fd = sk, | |
884 | .events = POLLIN, | |
885 | }; | |
886 | ||
887 | ret = 0; | |
888 | do { | |
54163255 JA |
889 | int timeout = 1000; |
890 | ||
891 | if (!flist_empty(&job_list)) | |
892 | timeout = 100; | |
3c3ed070 | 893 | |
54163255 | 894 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
895 | if (ret < 0) { |
896 | if (errno == EINTR) | |
897 | break; | |
898 | log_err("fio: poll: %s\n", strerror(errno)); | |
899 | break; | |
19c65179 | 900 | } else if (!ret) { |
6348b5de | 901 | fio_server_check_jobs(&job_list); |
e951bdc4 | 902 | continue; |
19c65179 | 903 | } |
e951bdc4 JA |
904 | |
905 | if (pfd.revents & POLLIN) | |
906 | break; | |
907 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
908 | ret = 1; | |
909 | break; | |
910 | } | |
19c65179 | 911 | } while (!exit_backend); |
e951bdc4 | 912 | |
6348b5de | 913 | fio_server_check_jobs(&job_list); |
122c7725 | 914 | |
e951bdc4 JA |
915 | if (ret < 0) |
916 | break; | |
917 | ||
918 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 919 | if (!cmd) { |
c28e8e8c | 920 | ret = -1; |
132159a5 JA |
921 | break; |
922 | } | |
923 | ||
6348b5de | 924 | ret = handle_command(&job_list, cmd); |
132159a5 JA |
925 | if (ret) |
926 | break; | |
927 | ||
928 | free(cmd); | |
c77a99e7 | 929 | cmd = NULL; |
132159a5 JA |
930 | } |
931 | ||
932 | if (cmd) | |
933 | free(cmd); | |
934 | ||
122c7725 JA |
935 | close(sk); |
936 | _exit(ret); | |
cc0df00a JA |
937 | } |
938 | ||
50d16976 JA |
939 | static int accept_loop(int listen_sk) |
940 | { | |
bb447a27 | 941 | struct sockaddr_in addr; |
479471c4 JA |
942 | struct sockaddr_in6 addr6; |
943 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 944 | struct pollfd pfd; |
4a851614 | 945 | int ret = 0, sk, exitval = 0; |
6348b5de | 946 | FLIST_HEAD(conn_list); |
50d16976 | 947 | |
60efd14e JA |
948 | dprint(FD_NET, "server enter accept loop\n"); |
949 | ||
4a851614 | 950 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 951 | |
122c7725 | 952 | while (!exit_backend) { |
479471c4 JA |
953 | const char *from; |
954 | char buf[64]; | |
122c7725 | 955 | pid_t pid; |
009b1be4 | 956 | |
122c7725 JA |
957 | pfd.fd = listen_sk; |
958 | pfd.events = POLLIN; | |
959 | do { | |
54163255 JA |
960 | int timeout = 1000; |
961 | ||
962 | if (!flist_empty(&conn_list)) | |
963 | timeout = 100; | |
964 | ||
965 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
966 | if (ret < 0) { |
967 | if (errno == EINTR) | |
968 | break; | |
969 | log_err("fio: poll: %s\n", strerror(errno)); | |
970 | break; | |
971 | } else if (!ret) { | |
6348b5de | 972 | fio_server_check_conns(&conn_list); |
122c7725 JA |
973 | continue; |
974 | } | |
009b1be4 | 975 | |
122c7725 JA |
976 | if (pfd.revents & POLLIN) |
977 | break; | |
978 | } while (!exit_backend); | |
50d16976 | 979 | |
6348b5de | 980 | fio_server_check_conns(&conn_list); |
46c48f1f | 981 | |
122c7725 JA |
982 | if (exit_backend || ret < 0) |
983 | break; | |
984 | ||
479471c4 JA |
985 | if (use_ipv6) |
986 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
987 | else | |
988 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
989 | ||
122c7725 JA |
990 | if (sk < 0) { |
991 | log_err("fio: accept: %s\n", strerror(errno)); | |
992 | return -1; | |
993 | } | |
37db14fe | 994 | |
479471c4 JA |
995 | if (use_ipv6) |
996 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
997 | else | |
998 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
999 | ||
1000 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1001 | |
122c7725 JA |
1002 | pid = fork(); |
1003 | if (pid) { | |
1004 | close(sk); | |
6348b5de | 1005 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1006 | continue; |
1007 | } | |
5c341e9a | 1008 | |
122c7725 JA |
1009 | /* exits */ |
1010 | handle_connection(sk); | |
1011 | } | |
5c341e9a | 1012 | |
132159a5 | 1013 | return exitval; |
50d16976 JA |
1014 | } |
1015 | ||
084d1c6f | 1016 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1017 | { |
084d1c6f JA |
1018 | struct cmd_text_pdu *pdu; |
1019 | unsigned int tlen; | |
1020 | struct timeval tv; | |
1021 | ||
1022 | if (server_fd == -1) | |
1023 | return log_local_buf(buf, len); | |
1024 | ||
1025 | tlen = sizeof(*pdu) + len; | |
1026 | pdu = malloc(tlen); | |
1027 | ||
1028 | pdu->level = __cpu_to_le32(level); | |
1029 | pdu->buf_len = __cpu_to_le32(len); | |
1030 | ||
1031 | gettimeofday(&tv, NULL); | |
1032 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1033 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1034 | |
084d1c6f JA |
1035 | memcpy(pdu->buf, buf, len); |
1036 | ||
40c60516 | 1037 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
1038 | free(pdu); |
1039 | return len; | |
142575e6 JA |
1040 | } |
1041 | ||
a64e88da JA |
1042 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1043 | { | |
1044 | dst->max_val = cpu_to_le64(src->max_val); | |
1045 | dst->min_val = cpu_to_le64(src->min_val); | |
1046 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1047 | |
1048 | /* | |
1049 | * Encode to IEEE 754 for network transfer | |
1050 | */ | |
e5c9093d JA |
1051 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1052 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1053 | } |
1054 | ||
1055 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1056 | { | |
1057 | int i; | |
1058 | ||
298921d6 | 1059 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1060 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1061 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1062 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1063 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1064 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1065 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1066 | } | |
1067 | ||
1068 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1069 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1070 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1071 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1072 | } |
1073 | ||
1074 | /* | |
1075 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1076 | * into a single payload. | |
1077 | */ | |
1078 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1079 | { | |
1080 | struct cmd_ts_pdu p; | |
1081 | int i, j; | |
1082 | ||
60efd14e JA |
1083 | dprint(FD_NET, "server sending end stats\n"); |
1084 | ||
317b3c8b JA |
1085 | memset(&p, 0, sizeof(p)); |
1086 | ||
4e59d0f3 JA |
1087 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1088 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1089 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1090 | |
2f122b13 JA |
1091 | p.ts.error = cpu_to_le32(ts->error); |
1092 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1093 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1094 | p.ts.pid = cpu_to_le32(ts->pid); | |
1095 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1096 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1097 | |
298921d6 | 1098 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1099 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1100 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1101 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1102 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1103 | } | |
1104 | ||
1105 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1106 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1107 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1108 | p.ts.minf = cpu_to_le64(ts->minf); | |
1109 | p.ts.majf = cpu_to_le64(ts->majf); | |
1110 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1111 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1112 | |
1113 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1114 | fio_fp64_t *src = &ts->percentile_list[i]; |
1115 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1116 | |
e5c9093d | 1117 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1118 | } |
a64e88da JA |
1119 | |
1120 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1121 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1122 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1123 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1124 | } | |
1125 | ||
1126 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1127 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1128 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1129 | } | |
1130 | ||
298921d6 | 1131 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1132 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1133 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1134 | ||
78799deb | 1135 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1136 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1137 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1138 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1139 | } |
1140 | ||
93eee04a | 1141 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1142 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1143 | ||
298921d6 | 1144 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1145 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1146 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1147 | } | |
1148 | ||
1149 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1150 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1151 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1152 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1153 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1154 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1155 | |
3e260a46 JA |
1156 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1157 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1158 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1159 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1160 | |
a64e88da JA |
1161 | convert_gs(&p.rs, rs); |
1162 | ||
40c60516 | 1163 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1164 | } |
1165 | ||
1166 | void fio_server_send_gs(struct group_run_stats *rs) | |
1167 | { | |
1168 | struct group_run_stats gs; | |
1169 | ||
60efd14e JA |
1170 | dprint(FD_NET, "server sending group run stats\n"); |
1171 | ||
a64e88da | 1172 | convert_gs(&gs, rs); |
40c60516 | 1173 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1174 | } |
1175 | ||
d09a64a0 JA |
1176 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1177 | { | |
1178 | int i; | |
1179 | ||
1180 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1181 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1182 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1183 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1184 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1185 | } |
1186 | ||
504bc961 JA |
1187 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1188 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1189 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1190 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1191 | } |
1192 | ||
1193 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1194 | { | |
1195 | int i; | |
1196 | ||
59140421 JA |
1197 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1198 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1199 | |
1200 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1201 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1202 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1203 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1204 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1205 | } |
1206 | ||
504bc961 JA |
1207 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1208 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1209 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1210 | } |
1211 | ||
1212 | void fio_server_send_du(void) | |
1213 | { | |
1214 | struct disk_util *du; | |
1215 | struct flist_head *entry; | |
1216 | struct cmd_du_pdu pdu; | |
1217 | ||
1218 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1219 | ||
0766d92e JA |
1220 | memset(&pdu, 0, sizeof(pdu)); |
1221 | ||
d09a64a0 JA |
1222 | flist_for_each(entry, &disk_list) { |
1223 | du = flist_entry(entry, struct disk_util, list); | |
1224 | ||
1225 | convert_dus(&pdu.dus, &du->dus); | |
1226 | convert_agg(&pdu.agg, &du->agg); | |
1227 | ||
40c60516 | 1228 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1229 | } |
1230 | } | |
1231 | ||
53bd8dbc JA |
1232 | /* |
1233 | * Send a command with a separate PDU, not inlined in the command | |
1234 | */ | |
1235 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1236 | off_t size, uint64_t tag, uint32_t flags) | |
1237 | { | |
1238 | struct fio_net_cmd cmd; | |
1239 | struct iovec iov[2]; | |
1240 | ||
9f247261 | 1241 | iov[0].iov_base = (void *) &cmd; |
53bd8dbc JA |
1242 | iov[0].iov_len = sizeof(cmd); |
1243 | iov[1].iov_base = (void *) buf; | |
1244 | iov[1].iov_len = size; | |
1245 | ||
1246 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1247 | cmd.flags = __cpu_to_le32(flags); | |
1248 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1249 | ||
8c95307b | 1250 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1251 | } |
1252 | ||
3989b143 | 1253 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1254 | { |
3989b143 JA |
1255 | int ret = 0; |
1256 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1257 | z_stream stream; |
1258 | void *out_pdu; | |
1b42725f JA |
1259 | |
1260 | /* | |
1261 | * Dirty - since the log is potentially huge, compress it into | |
1262 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1263 | * side defragment it. | |
1264 | */ | |
1265 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1266 | ||
1267 | stream.zalloc = Z_NULL; | |
1268 | stream.zfree = Z_NULL; | |
1269 | stream.opaque = Z_NULL; | |
1270 | ||
1271 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1272 | ret = 1; |
1273 | goto err; | |
1b42725f JA |
1274 | } |
1275 | ||
f5ed765a | 1276 | stream.next_in = (void *) log->log; |
ae588852 | 1277 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1278 | |
1279 | do { | |
53bd8dbc | 1280 | unsigned int this_len, flags = 0; |
1b42725f JA |
1281 | |
1282 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1283 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1284 | ret = deflate(&stream, Z_FINISH); |
1285 | /* may be Z_OK, or Z_STREAM_END */ | |
1286 | if (ret < 0) | |
1287 | goto err_zlib; | |
1b42725f JA |
1288 | |
1289 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1290 | ||
1b42725f | 1291 | if (stream.avail_in) |
53bd8dbc | 1292 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1293 | |
53bd8dbc JA |
1294 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1295 | out_pdu, this_len, 0, flags); | |
1296 | if (ret) | |
1297 | goto err_zlib; | |
1b42725f JA |
1298 | } while (stream.avail_in); |
1299 | ||
53bd8dbc | 1300 | err_zlib: |
1b42725f | 1301 | deflateEnd(&stream); |
53bd8dbc JA |
1302 | err: |
1303 | free(out_pdu); | |
3989b143 | 1304 | #endif |
53bd8dbc | 1305 | return ret; |
1b42725f JA |
1306 | } |
1307 | ||
3989b143 JA |
1308 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1309 | { | |
1310 | struct cmd_iolog_pdu pdu; | |
1311 | int i, ret = 0; | |
1312 | ||
ae588852 | 1313 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1314 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1315 | pdu.log_type = cpu_to_le32(log->log_type); |
1316 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1317 | |
1318 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1319 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1320 | |
1321 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1322 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1323 | |
b26317c9 JA |
1324 | s->time = cpu_to_le64(s->time); |
1325 | s->val = cpu_to_le64(s->val); | |
1326 | s->__ddir = cpu_to_le32(s->__ddir); | |
1327 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1328 | |
1329 | if (log->log_offset) { | |
1330 | struct io_sample_offset *so = (void *) s; | |
1331 | ||
1332 | so->offset = cpu_to_le64(so->offset); | |
1333 | } | |
3989b143 JA |
1334 | } |
1335 | ||
1336 | /* | |
1337 | * Send header first, it's not compressed. | |
1338 | */ | |
1339 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1340 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1341 | if (ret) | |
1342 | return ret; | |
1343 | ||
1344 | /* | |
1345 | * Now send actual log, compress if we can, otherwise just plain | |
1346 | */ | |
1347 | if (use_zlib) | |
1348 | return fio_send_iolog_gz(&pdu, log); | |
1349 | ||
1350 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
ae588852 | 1351 | log->nr_samples * log_entry_sz(log), 0, 0); |
3989b143 JA |
1352 | } |
1353 | ||
2f122b13 | 1354 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1355 | { |
1356 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1357 | |
731e30a2 | 1358 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1359 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1360 | pdu.groupid = cpu_to_le32(td->groupid); | |
1361 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1362 | |
40c60516 | 1363 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1364 | } |
1365 | ||
122c7725 JA |
1366 | void fio_server_send_start(struct thread_data *td) |
1367 | { | |
1368 | assert(server_fd != -1); | |
1369 | ||
1370 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1371 | } | |
1372 | ||
ca09be4b JA |
1373 | int fio_server_get_verify_state(const char *name, int threadnumber, |
1374 | void **datap) | |
1375 | { | |
1376 | struct thread_io_list *s; | |
1377 | struct cmd_sendfile out; | |
1378 | struct cmd_reply *rep; | |
1379 | uint64_t tag; | |
1380 | void *data; | |
1381 | ||
1382 | dprint(FD_NET, "server: request verify state\n"); | |
1383 | ||
1384 | rep = smalloc(sizeof(*rep)); | |
1385 | if (!rep) { | |
1386 | log_err("fio: smalloc pool too small\n"); | |
1387 | return 1; | |
1388 | } | |
1389 | ||
1390 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1391 | rep->data = NULL; | |
1392 | rep->error = 0; | |
1393 | ||
e499aedc JA |
1394 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1395 | threadnumber); | |
ca09be4b JA |
1396 | tag = (uint64_t) (uintptr_t) rep; |
1397 | fio_net_send_cmd(server_fd, FIO_NET_CMD_SENDFILE, &out, sizeof(out), | |
1398 | &tag, NULL); | |
1399 | ||
1400 | /* | |
1401 | * Wait for the backend to receive the reply | |
1402 | */ | |
1403 | if (fio_mutex_down_timeout(&rep->lock, 10)) { | |
1404 | log_err("fio: timed out waiting for reply\n"); | |
1405 | goto fail; | |
1406 | } | |
1407 | ||
1408 | if (rep->error) { | |
1409 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1410 | fail: | |
1411 | *datap = NULL; | |
1412 | sfree(rep); | |
1413 | fio_net_send_quit(server_fd); | |
1414 | return 1; | |
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1419 | * the header, and the thread_io_list checksum | |
1420 | */ | |
1421 | s = rep->data + sizeof(struct verify_state_hdr); | |
1422 | if (verify_state_hdr(rep->data, s)) | |
1423 | goto fail; | |
1424 | ||
1425 | /* | |
1426 | * Don't need the header from now, copy just the thread_io_list | |
1427 | */ | |
1428 | rep->size -= sizeof(struct verify_state_hdr); | |
1429 | data = malloc(rep->size); | |
1430 | memcpy(data, s, rep->size); | |
1431 | *datap = data; | |
1432 | ||
1433 | sfree(rep->data); | |
f5a42524 | 1434 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1435 | sfree(rep); |
1436 | return 0; | |
1437 | } | |
1438 | ||
87aa8f19 | 1439 | static int fio_init_server_ip(void) |
81179eec | 1440 | { |
811826be | 1441 | struct sockaddr *addr; |
67bf9823 | 1442 | socklen_t socklen; |
17e3531a JA |
1443 | char buf[80]; |
1444 | const char *str; | |
87aa8f19 | 1445 | int sk, opt; |
81179eec | 1446 | |
811826be JA |
1447 | if (use_ipv6) |
1448 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1449 | else | |
1450 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1451 | ||
81179eec JA |
1452 | if (sk < 0) { |
1453 | log_err("fio: socket: %s\n", strerror(errno)); | |
1454 | return -1; | |
1455 | } | |
1456 | ||
1457 | opt = 1; | |
1f81991e | 1458 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1459 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1460 | close(sk); |
81179eec JA |
1461 | return -1; |
1462 | } | |
1463 | #ifdef SO_REUSEPORT | |
6eb24791 | 1464 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1465 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1466 | close(sk); |
81179eec JA |
1467 | return -1; |
1468 | } | |
1469 | #endif | |
1470 | ||
811826be | 1471 | if (use_ipv6) { |
17e3531a JA |
1472 | const void *src = &saddr_in6.sin6_addr; |
1473 | ||
811826be JA |
1474 | addr = (struct sockaddr *) &saddr_in6; |
1475 | socklen = sizeof(saddr_in6); | |
1476 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1477 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1478 | } else { |
17e3531a JA |
1479 | const void *src = &saddr_in.sin_addr; |
1480 | ||
811826be JA |
1481 | addr = (struct sockaddr *) &saddr_in; |
1482 | socklen = sizeof(saddr_in); | |
1483 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1484 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1485 | } |
81179eec | 1486 | |
811826be | 1487 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1488 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1489 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1490 | close(sk); |
81179eec JA |
1491 | return -1; |
1492 | } | |
1493 | ||
87aa8f19 JA |
1494 | return sk; |
1495 | } | |
1496 | ||
1497 | static int fio_init_server_sock(void) | |
1498 | { | |
1499 | struct sockaddr_un addr; | |
67bf9823 | 1500 | socklen_t len; |
87aa8f19 JA |
1501 | mode_t mode; |
1502 | int sk; | |
1503 | ||
1504 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1505 | if (sk < 0) { | |
1506 | log_err("fio: socket: %s\n", strerror(errno)); | |
1507 | return -1; | |
1508 | } | |
1509 | ||
1510 | mode = umask(000); | |
1511 | ||
1512 | memset(&addr, 0, sizeof(addr)); | |
1513 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1514 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1515 | |
1516 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1517 | ||
1518 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1519 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1520 | close(sk); |
87aa8f19 JA |
1521 | return -1; |
1522 | } | |
1523 | ||
1524 | umask(mode); | |
1525 | return sk; | |
1526 | } | |
1527 | ||
1528 | static int fio_init_server_connection(void) | |
1529 | { | |
bebe6398 | 1530 | char bind_str[128]; |
87aa8f19 JA |
1531 | int sk; |
1532 | ||
1533 | dprint(FD_NET, "starting server\n"); | |
1534 | ||
1535 | if (!bind_sock) | |
1536 | sk = fio_init_server_ip(); | |
1537 | else | |
1538 | sk = fio_init_server_sock(); | |
1539 | ||
1540 | if (sk < 0) | |
1541 | return sk; | |
1542 | ||
afdcad23 JA |
1543 | memset(bind_str, 0, sizeof(bind_str)); |
1544 | ||
811826be JA |
1545 | if (!bind_sock) { |
1546 | char *p, port[16]; | |
1547 | const void *src; | |
1548 | int af; | |
1549 | ||
1550 | if (use_ipv6) { | |
1551 | af = AF_INET6; | |
1552 | src = &saddr_in6.sin6_addr; | |
1553 | } else { | |
1554 | af = AF_INET; | |
1555 | src = &saddr_in.sin_addr; | |
1556 | } | |
1557 | ||
1558 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1559 | ||
1560 | sprintf(port, ",%u", fio_net_port); | |
1561 | if (p) | |
1562 | strcat(p, port); | |
1563 | else | |
afdcad23 | 1564 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1565 | } else |
afdcad23 | 1566 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1567 | |
1568 | log_info("fio: server listening on %s\n", bind_str); | |
1569 | ||
89c1707c | 1570 | if (listen(sk, 0) < 0) { |
81179eec | 1571 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1572 | close(sk); |
81179eec JA |
1573 | return -1; |
1574 | } | |
1575 | ||
87aa8f19 JA |
1576 | return sk; |
1577 | } | |
1578 | ||
3aa3ceeb | 1579 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1580 | struct in6_addr *inp6) |
1581 | ||
1582 | { | |
1583 | int ret = 0; | |
1584 | ||
3aa3ceeb | 1585 | if (ipv6) |
3ec62ec4 JA |
1586 | ret = inet_pton(AF_INET6, host, inp6); |
1587 | else | |
1588 | ret = inet_pton(AF_INET, host, inp); | |
1589 | ||
1590 | if (ret != 1) { | |
479471c4 JA |
1591 | struct addrinfo hints, *res; |
1592 | ||
1593 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1594 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1595 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1596 | |
479471c4 JA |
1597 | ret = getaddrinfo(host, NULL, &hints, &res); |
1598 | if (ret) { | |
1599 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1600 | gai_strerror(ret)); | |
3caf43e3 | 1601 | return 1; |
3ec62ec4 JA |
1602 | } |
1603 | ||
3aa3ceeb | 1604 | if (ipv6) |
479471c4 JA |
1605 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1606 | else | |
1607 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1608 | ||
3ec62ec4 | 1609 | ret = 1; |
479471c4 | 1610 | freeaddrinfo(res); |
3ec62ec4 JA |
1611 | } |
1612 | ||
1613 | return !(ret == 1); | |
1614 | } | |
1615 | ||
660a2bfb JA |
1616 | /* |
1617 | * Parse a host/ip/port string. Reads from 'str'. | |
1618 | * | |
1619 | * Outputs: | |
1620 | * | |
1621 | * For IPv4: | |
1622 | * *ptr is the host, *port is the port, inp is the destination. | |
1623 | * For IPv6: | |
1624 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1625 | * For local domain sockets: | |
1626 | * *ptr is the filename, *is_sock is 1. | |
1627 | */ | |
bebe6398 | 1628 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1629 | int *port, struct in_addr *inp, |
1630 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1631 | { |
76867621 JA |
1632 | const char *host = str; |
1633 | char *portp; | |
3ec62ec4 | 1634 | int lport = 0; |
76867621 | 1635 | |
bebe6398 JA |
1636 | *ptr = NULL; |
1637 | *is_sock = 0; | |
6d2cf394 | 1638 | *port = fio_net_port; |
811826be | 1639 | *ipv6 = 0; |
bebe6398 JA |
1640 | |
1641 | if (!strncmp(str, "sock:", 5)) { | |
1642 | *ptr = strdup(str + 5); | |
1643 | *is_sock = 1; | |
76867621 JA |
1644 | |
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | /* | |
1649 | * Is it ip:<ip or host>:port | |
1650 | */ | |
1651 | if (!strncmp(host, "ip:", 3)) | |
1652 | host += 3; | |
1653 | else if (!strncmp(host, "ip4:", 4)) | |
1654 | host += 4; | |
1655 | else if (!strncmp(host, "ip6:", 4)) { | |
1656 | host += 4; | |
1657 | *ipv6 = 1; | |
1658 | } else if (host[0] == ':') { | |
1659 | /* String is :port */ | |
1660 | host++; | |
1661 | lport = atoi(host); | |
1662 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1663 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1664 | return 1; |
1665 | } | |
1666 | /* no hostname given, we are done */ | |
1667 | *port = lport; | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | /* | |
b96b90c3 | 1672 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1673 | */ |
1674 | if (!lport) { | |
1675 | portp = strchr(host, ','); | |
1676 | if (portp) { | |
1677 | *portp = '\0'; | |
1678 | portp++; | |
1679 | lport = atoi(portp); | |
bebe6398 | 1680 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1681 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1682 | return 1; |
1683 | } | |
bebe6398 | 1684 | } |
76867621 | 1685 | } |
bebe6398 | 1686 | |
76867621 JA |
1687 | if (lport) |
1688 | *port = lport; | |
bebe6398 | 1689 | |
76867621 JA |
1690 | if (!strlen(host)) |
1691 | return 0; | |
bebe6398 | 1692 | |
76867621 | 1693 | *ptr = strdup(host); |
811826be | 1694 | |
3aa3ceeb | 1695 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1696 | free(*ptr); |
1697 | *ptr = NULL; | |
1698 | return 1; | |
bebe6398 JA |
1699 | } |
1700 | ||
1701 | if (*port == 0) | |
1702 | *port = fio_net_port; | |
1703 | ||
1704 | return 0; | |
1705 | } | |
1706 | ||
87aa8f19 JA |
1707 | /* |
1708 | * Server arg should be one of: | |
1709 | * | |
1710 | * sock:/path/to/socket | |
1711 | * ip:1.2.3.4 | |
1712 | * 1.2.3.4 | |
1713 | * | |
1714 | * Where sock uses unix domain sockets, and ip binds the server to | |
1715 | * a specific interface. If no arguments are given to the server, it | |
1716 | * uses IP and binds to 0.0.0.0. | |
1717 | * | |
1718 | */ | |
1719 | static int fio_handle_server_arg(void) | |
1720 | { | |
6d2cf394 | 1721 | int port = fio_net_port; |
a7de0a11 | 1722 | int is_sock, ret = 0; |
bebe6398 | 1723 | |
87aa8f19 JA |
1724 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1725 | ||
1726 | if (!fio_server_arg) | |
a7de0a11 | 1727 | goto out; |
87aa8f19 | 1728 | |
4e5b8fb8 | 1729 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1730 | &port, &saddr_in.sin_addr, |
1731 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1732 | |
1733 | if (!is_sock && bind_sock) { | |
1734 | free(bind_sock); | |
1735 | bind_sock = NULL; | |
1736 | } | |
1737 | ||
a7de0a11 | 1738 | out: |
6d2cf394 JA |
1739 | fio_net_port = port; |
1740 | saddr_in.sin_port = htons(port); | |
811826be | 1741 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1742 | return ret; |
87aa8f19 JA |
1743 | } |
1744 | ||
43cdea1d JA |
1745 | static void sig_int(int sig) |
1746 | { | |
1747 | if (bind_sock) | |
1748 | unlink(bind_sock); | |
1749 | } | |
1750 | ||
1751 | static void set_sig_handlers(void) | |
1752 | { | |
1753 | struct sigaction act; | |
1754 | ||
1755 | memset(&act, 0, sizeof(act)); | |
1756 | act.sa_handler = sig_int; | |
1757 | act.sa_flags = SA_RESTART; | |
1758 | sigaction(SIGINT, &act, NULL); | |
1759 | } | |
1760 | ||
87aa8f19 JA |
1761 | static int fio_server(void) |
1762 | { | |
1763 | int sk, ret; | |
1764 | ||
1765 | dprint(FD_NET, "starting server\n"); | |
1766 | ||
1767 | if (fio_handle_server_arg()) | |
1768 | return -1; | |
1769 | ||
1770 | sk = fio_init_server_connection(); | |
1771 | if (sk < 0) | |
1772 | return -1; | |
81179eec | 1773 | |
43cdea1d JA |
1774 | set_sig_handlers(); |
1775 | ||
81179eec | 1776 | ret = accept_loop(sk); |
87aa8f19 | 1777 | |
81179eec | 1778 | close(sk); |
87aa8f19 JA |
1779 | |
1780 | if (fio_server_arg) { | |
1781 | free(fio_server_arg); | |
1782 | fio_server_arg = NULL; | |
1783 | } | |
bebe6398 JA |
1784 | if (bind_sock) |
1785 | free(bind_sock); | |
87aa8f19 | 1786 | |
81179eec JA |
1787 | return ret; |
1788 | } | |
1789 | ||
7b821684 | 1790 | void fio_server_got_signal(int signal) |
9abea48b | 1791 | { |
7b821684 JA |
1792 | if (signal == SIGPIPE) |
1793 | server_fd = -1; | |
1794 | else { | |
1795 | log_info("\nfio: terminating on signal %d\n", signal); | |
1796 | exit_backend = 1; | |
1797 | } | |
9abea48b JA |
1798 | } |
1799 | ||
13755d94 JA |
1800 | static int check_existing_pidfile(const char *pidfile) |
1801 | { | |
1802 | struct stat sb; | |
1803 | char buf[16]; | |
1804 | pid_t pid; | |
1805 | FILE *f; | |
1806 | ||
1807 | if (stat(pidfile, &sb)) | |
1808 | return 0; | |
1809 | ||
1810 | f = fopen(pidfile, "r"); | |
1811 | if (!f) | |
1812 | return 0; | |
1813 | ||
bfc3b179 | 1814 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1815 | fclose(f); |
1816 | return 1; | |
1817 | } | |
1818 | fclose(f); | |
1819 | ||
1820 | pid = atoi(buf); | |
1821 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1822 | return errno != ESRCH; |
13755d94 JA |
1823 | |
1824 | return 1; | |
1825 | } | |
1826 | ||
1827 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1828 | { |
1829 | FILE *fpid; | |
1830 | ||
1831 | fpid = fopen(pidfile, "w"); | |
1832 | if (!fpid) { | |
1833 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1834 | return 1; |
402668f3 JA |
1835 | } |
1836 | ||
1837 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1838 | fclose(fpid); |
1839 | return 0; | |
402668f3 JA |
1840 | } |
1841 | ||
1842 | /* | |
1843 | * If pidfile is specified, background us. | |
1844 | */ | |
1845 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1846 | { |
1847 | pid_t pid; | |
402668f3 | 1848 | int ret; |
e46d8091 | 1849 | |
93bcfd20 | 1850 | #if defined(WIN32) |
905c78b9 | 1851 | WSADATA wsd; |
3c3ed070 | 1852 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1853 | #endif |
1854 | ||
402668f3 | 1855 | if (!pidfile) |
e46d8091 JA |
1856 | return fio_server(); |
1857 | ||
13755d94 JA |
1858 | if (check_existing_pidfile(pidfile)) { |
1859 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1860 | pidfile); | |
b8ba87ac | 1861 | free(pidfile); |
13755d94 JA |
1862 | return -1; |
1863 | } | |
1864 | ||
e46d8091 JA |
1865 | pid = fork(); |
1866 | if (pid < 0) { | |
13755d94 | 1867 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1868 | free(pidfile); |
c28e8e8c | 1869 | return -1; |
402668f3 | 1870 | } else if (pid) { |
8a1db9a1 | 1871 | ret = write_pid(pid, pidfile); |
b8ba87ac | 1872 | free(pidfile); |
44c8268d | 1873 | _exit(ret); |
402668f3 | 1874 | } |
e46d8091 JA |
1875 | |
1876 | setsid(); | |
13755d94 JA |
1877 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1878 | log_syslog = 1; | |
e46d8091 JA |
1879 | close(STDIN_FILENO); |
1880 | close(STDOUT_FILENO); | |
1881 | close(STDERR_FILENO); | |
1882 | f_out = NULL; | |
1883 | f_err = NULL; | |
402668f3 JA |
1884 | |
1885 | ret = fio_server(); | |
1886 | ||
1887 | closelog(); | |
1888 | unlink(pidfile); | |
1889 | free(pidfile); | |
1890 | return ret; | |
e46d8091 | 1891 | } |
87aa8f19 | 1892 | |
bebe6398 | 1893 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1894 | { |
1895 | fio_server_arg = strdup(arg); | |
1896 | } |