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" | |
296ab20a | 24 | #include "options.h" |
132159a5 | 25 | #include "server.h" |
fcee5ff6 | 26 | #include "crc/crc16.h" |
c7c6cb4c | 27 | #include "lib/ieee754.h" |
ca09be4b JA |
28 | #include "verify.h" |
29 | #include "smalloc.h" | |
89cf1480 | 30 | |
5adc2447 | 31 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 32 | |
009b1be4 JA |
33 | int exit_backend = 0; |
34 | ||
f77d4b73 JA |
35 | enum { |
36 | SK_F_FREE = 1, | |
37 | SK_F_COPY = 2, | |
38 | SK_F_SIMPLE = 4, | |
02594e37 | 39 | SK_F_VEC = 8, |
bead01d7 | 40 | SK_F_INLINE = 16, |
f77d4b73 JA |
41 | }; |
42 | ||
43 | struct sk_entry { | |
4d27d429 JA |
44 | struct flist_head list; /* link on sk_out->list */ |
45 | int flags; /* SK_F_* */ | |
46 | int opcode; /* Actual command fields */ | |
f77d4b73 JA |
47 | void *buf; |
48 | off_t size; | |
49 | uint64_t *tagptr; | |
4d27d429 | 50 | struct flist_head next; /* Other sk_entry's, if linked command */ |
f77d4b73 JA |
51 | }; |
52 | ||
53 | struct sk_out { | |
0ae6acea JA |
54 | unsigned int refs; /* frees sk_out when it drops to zero. |
55 | * protected by below ->lock */ | |
24660963 | 56 | |
0ae6acea | 57 | int sk; /* socket fd to talk to client */ |
bead01d7 | 58 | struct fio_mutex lock; /* protects ref and below list */ |
0ae6acea | 59 | struct flist_head list; /* list of pending transmit work */ |
bead01d7 JA |
60 | struct fio_mutex wait; /* wake backend when items added to list */ |
61 | struct fio_mutex xmit; /* held while sending data */ | |
f77d4b73 JA |
62 | }; |
63 | ||
87aa8f19 JA |
64 | static char *fio_server_arg; |
65 | static char *bind_sock; | |
66 | static struct sockaddr_in saddr_in; | |
811826be | 67 | static struct sockaddr_in6 saddr_in6; |
811826be | 68 | static int use_ipv6; |
3989b143 JA |
69 | #ifdef CONFIG_ZLIB |
70 | static unsigned int has_zlib = 1; | |
71 | #else | |
72 | static unsigned int has_zlib = 0; | |
73 | #endif | |
74 | static unsigned int use_zlib; | |
ca09be4b | 75 | static char me[128]; |
37db14fe | 76 | |
f77d4b73 JA |
77 | static pthread_key_t sk_out_key; |
78 | ||
122c7725 JA |
79 | struct fio_fork_item { |
80 | struct flist_head list; | |
81 | int exitval; | |
82 | int signal; | |
83 | int exited; | |
84 | pid_t pid; | |
85 | }; | |
86 | ||
ca09be4b JA |
87 | struct cmd_reply { |
88 | struct fio_mutex lock; | |
89 | void *data; | |
90 | size_t size; | |
91 | int error; | |
92 | }; | |
93 | ||
89c1707c JA |
94 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
95 | "", | |
96 | "QUIT", | |
97 | "EXIT", | |
98 | "JOB", | |
99 | "JOBLINE", | |
100 | "TEXT", | |
101 | "TS", | |
102 | "GS", | |
103 | "SEND_ETA", | |
104 | "ETA", | |
105 | "PROBE", | |
106 | "START", | |
d09a64a0 JA |
107 | "STOP", |
108 | "DISK_UTIL", | |
b9d2f30a | 109 | "SERVER_START", |
807f9971 | 110 | "ADD_JOB", |
ca09be4b JA |
111 | "RUN", |
112 | "IOLOG", | |
113 | "UPDATE_JOB", | |
114 | "LOAD_FILE", | |
115 | "VTRIGGER", | |
116 | "SENDFILE", | |
89c1707c JA |
117 | }; |
118 | ||
f77d4b73 JA |
119 | static void sk_lock(struct sk_out *sk_out) |
120 | { | |
bead01d7 | 121 | fio_mutex_down(&sk_out->lock); |
f77d4b73 JA |
122 | } |
123 | ||
124 | static void sk_unlock(struct sk_out *sk_out) | |
125 | { | |
bead01d7 | 126 | fio_mutex_up(&sk_out->lock); |
f77d4b73 JA |
127 | } |
128 | ||
24660963 JA |
129 | void sk_out_assign(struct sk_out *sk_out) |
130 | { | |
131 | if (!sk_out) | |
132 | return; | |
133 | ||
134 | sk_lock(sk_out); | |
135 | sk_out->refs++; | |
136 | sk_unlock(sk_out); | |
137 | pthread_setspecific(sk_out_key, sk_out); | |
138 | } | |
139 | ||
bce503fc | 140 | static void sk_out_free(struct sk_out *sk_out) |
24660963 | 141 | { |
bead01d7 JA |
142 | __fio_mutex_remove(&sk_out->lock); |
143 | __fio_mutex_remove(&sk_out->wait); | |
144 | __fio_mutex_remove(&sk_out->xmit); | |
24660963 JA |
145 | sfree(sk_out); |
146 | } | |
147 | ||
bce503fc | 148 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 149 | { |
24660963 JA |
150 | if (sk_out) { |
151 | int refs; | |
152 | ||
153 | sk_lock(sk_out); | |
154 | refs = --sk_out->refs; | |
155 | sk_unlock(sk_out); | |
156 | ||
bce503fc JA |
157 | if (!refs) { |
158 | sk_out_free(sk_out); | |
159 | return 0; | |
160 | } | |
161 | } | |
162 | ||
163 | return 1; | |
164 | } | |
165 | ||
166 | void sk_out_drop(void) | |
167 | { | |
168 | struct sk_out *sk_out; | |
24660963 | 169 | |
bce503fc JA |
170 | sk_out = pthread_getspecific(sk_out_key); |
171 | if (!__sk_out_drop(sk_out)) | |
24660963 | 172 | pthread_setspecific(sk_out_key, NULL); |
24660963 JA |
173 | } |
174 | ||
9d2c74d7 JA |
175 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
176 | uint32_t pdu_len, uint64_t tag) | |
177 | { | |
178 | memset(cmd, 0, sizeof(*cmd)); | |
179 | ||
180 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
181 | cmd->opcode = cpu_to_le16(opcode); | |
182 | cmd->tag = cpu_to_le64(tag); | |
183 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
184 | } | |
185 | ||
186 | ||
187 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
188 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
189 | { | |
190 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
191 | ||
192 | if (pdu) | |
193 | memcpy(&cmd->payload, pdu, pdu_len); | |
194 | } | |
195 | ||
89c1707c JA |
196 | const char *fio_server_op(unsigned int op) |
197 | { | |
198 | static char buf[32]; | |
199 | ||
200 | if (op < FIO_NET_CMD_NR) | |
201 | return fio_server_ops[op]; | |
202 | ||
203 | sprintf(buf, "UNKNOWN/%d", op); | |
204 | return buf; | |
205 | } | |
206 | ||
5235f626 | 207 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 208 | { |
5235f626 | 209 | ssize_t ret = 0; |
794d69ca | 210 | |
5235f626 JA |
211 | while (count--) { |
212 | ret += iov->iov_len; | |
213 | iov++; | |
214 | } | |
215 | ||
216 | return ret; | |
217 | } | |
132159a5 | 218 | |
5235f626 JA |
219 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
220 | { | |
221 | ssize_t total_len = iov_total_len(iov, count); | |
222 | ssize_t ret; | |
223 | ||
224 | do { | |
225 | ret = writev(sk, iov, count); | |
132159a5 | 226 | if (ret > 0) { |
5235f626 JA |
227 | total_len -= ret; |
228 | if (!total_len) | |
132159a5 | 229 | break; |
5235f626 JA |
230 | |
231 | while (ret) { | |
232 | if (ret >= iov->iov_len) { | |
233 | ret -= iov->iov_len; | |
234 | iov++; | |
235 | continue; | |
236 | } | |
237 | iov->iov_base += ret; | |
238 | iov->iov_len -= ret; | |
239 | ret = 0; | |
240 | } | |
132159a5 JA |
241 | } else if (!ret) |
242 | break; | |
243 | else if (errno == EAGAIN || errno == EINTR) | |
244 | continue; | |
7b821684 JA |
245 | else |
246 | break; | |
132159a5 JA |
247 | } while (!exit_backend); |
248 | ||
5235f626 | 249 | if (!total_len) |
132159a5 JA |
250 | return 0; |
251 | ||
252 | return 1; | |
253 | } | |
254 | ||
9d2c74d7 | 255 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
256 | { |
257 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
258 | ||
259 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
260 | ||
261 | return fio_sendv_data(sk, &iov, 1); | |
262 | } | |
263 | ||
9d2c74d7 | 264 | static int fio_recv_data(int sk, void *p, unsigned int len) |
132159a5 JA |
265 | { |
266 | do { | |
267 | int ret = recv(sk, p, len, MSG_WAITALL); | |
268 | ||
269 | if (ret > 0) { | |
270 | len -= ret; | |
271 | if (!len) | |
272 | break; | |
273 | p += ret; | |
274 | continue; | |
275 | } else if (!ret) | |
276 | break; | |
277 | else if (errno == EAGAIN || errno == EINTR) | |
278 | continue; | |
7b821684 JA |
279 | else |
280 | break; | |
132159a5 JA |
281 | } while (!exit_backend); |
282 | ||
283 | if (!len) | |
284 | return 0; | |
285 | ||
286 | return -1; | |
287 | } | |
288 | ||
289 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
290 | { | |
fcee5ff6 | 291 | uint16_t crc; |
132159a5 | 292 | |
fcee5ff6 JA |
293 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
294 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 295 | |
25dfa848 | 296 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 297 | if (crc != cmd->cmd_crc16) { |
132159a5 | 298 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 299 | cmd->cmd_crc16, crc); |
132159a5 JA |
300 | return 1; |
301 | } | |
302 | ||
303 | cmd->version = le16_to_cpu(cmd->version); | |
304 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
305 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 306 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
307 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
308 | ||
309 | switch (cmd->version) { | |
fa2ea806 | 310 | case FIO_SERVER_VER: |
132159a5 JA |
311 | break; |
312 | default: | |
313 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
314 | return 1; | |
315 | } | |
316 | ||
b9d2f30a | 317 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
318 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
319 | return 1; | |
320 | } | |
321 | ||
322 | return 0; | |
323 | } | |
324 | ||
a64e88da JA |
325 | /* |
326 | * Read (and defragment, if necessary) incoming commands | |
327 | */ | |
e951bdc4 | 328 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 329 | { |
dfbf1f6f | 330 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 331 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 332 | uint16_t crc; |
a64e88da JA |
333 | int ret, first = 1; |
334 | void *pdu = NULL; | |
132159a5 | 335 | |
a64e88da JA |
336 | do { |
337 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
338 | if (ret) | |
339 | break; | |
132159a5 | 340 | |
a64e88da JA |
341 | /* We have a command, verify it and swap if need be */ |
342 | ret = verify_convert_cmd(&cmd); | |
343 | if (ret) | |
344 | break; | |
132159a5 | 345 | |
0b8f30a5 JA |
346 | if (first) { |
347 | /* if this is text, add room for \0 at the end */ | |
348 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
349 | assert(!cmdret); | |
350 | } else | |
a64e88da | 351 | cmd_size += cmd.pdu_len; |
132159a5 | 352 | |
dfbf1f6f JA |
353 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
354 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
355 | ret = 1; | |
356 | break; | |
357 | } | |
358 | ||
359 | tmp = realloc(cmdret, cmd_size); | |
360 | if (!tmp) { | |
361 | log_err("fio: server failed allocating cmd\n"); | |
362 | ret = 1; | |
363 | break; | |
364 | } | |
365 | cmdret = tmp; | |
132159a5 | 366 | |
a64e88da JA |
367 | if (first) |
368 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
369 | else if (cmdret->opcode != cmd.opcode) { |
370 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
371 | cmdret->opcode, cmd.opcode); | |
372 | ret = 1; | |
373 | break; | |
374 | } | |
a64e88da JA |
375 | |
376 | if (!cmd.pdu_len) | |
377 | break; | |
378 | ||
379 | /* There's payload, get it */ | |
380 | pdu = (void *) cmdret->payload + pdu_offset; | |
381 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
382 | if (ret) | |
383 | break; | |
384 | ||
385 | /* Verify payload crc */ | |
25dfa848 | 386 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
387 | if (crc != cmd.pdu_crc16) { |
388 | log_err("fio: server bad crc on payload "); | |
389 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
390 | ret = 1; | |
391 | break; | |
392 | } | |
393 | ||
394 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
395 | if (!first) |
396 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
397 | first = 0; |
398 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 399 | |
a64e88da JA |
400 | if (ret) { |
401 | free(cmdret); | |
402 | cmdret = NULL; | |
0b8f30a5 JA |
403 | } else if (cmdret) { |
404 | /* zero-terminate text input */ | |
084d1c6f JA |
405 | if (cmdret->pdu_len) { |
406 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
407 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
408 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 409 | |
8a1db9a1 | 410 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 411 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
412 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
413 | char *buf = (char *) __pdu->buf; | |
414 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 415 | |
46bcd498 | 416 | buf[len] = '\0'; |
084d1c6f | 417 | } |
0b8f30a5 | 418 | } |
084d1c6f | 419 | |
0b8f30a5 | 420 | /* frag flag is internal */ |
a64e88da | 421 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 422 | } |
a64e88da JA |
423 | |
424 | return cmdret; | |
132159a5 JA |
425 | } |
426 | ||
40c60516 JA |
427 | static void add_reply(uint64_t tag, struct flist_head *list) |
428 | { | |
a572bbfb | 429 | struct fio_net_cmd_reply *reply; |
40c60516 | 430 | |
a572bbfb | 431 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
432 | flist_add_tail(&reply->list, list); |
433 | } | |
434 | ||
435 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
436 | { | |
437 | struct fio_net_cmd_reply *reply; | |
438 | ||
439 | reply = calloc(1, sizeof(*reply)); | |
440 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 441 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
442 | reply->saved_tag = tag; |
443 | reply->opcode = opcode; | |
444 | ||
445 | return (uintptr_t) reply; | |
446 | } | |
447 | ||
448 | static void free_reply(uint64_t tag) | |
449 | { | |
a572bbfb | 450 | struct fio_net_cmd_reply *reply; |
40c60516 | 451 | |
a572bbfb | 452 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
453 | free(reply); |
454 | } | |
455 | ||
9d2c74d7 | 456 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
457 | { |
458 | uint32_t pdu_len; | |
459 | ||
25dfa848 | 460 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
461 | |
462 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
463 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
464 | } | |
465 | ||
9d2c74d7 | 466 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
467 | { |
468 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
469 | } |
470 | ||
af9c9fb3 | 471 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 472 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 473 | { |
7f868316 JA |
474 | struct fio_net_cmd *cmd = NULL; |
475 | size_t this_len, cur_len = 0; | |
40c60516 | 476 | uint64_t tag; |
794d69ca JA |
477 | int ret; |
478 | ||
40c60516 JA |
479 | if (list) { |
480 | assert(tagptr); | |
481 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
482 | } else | |
483 | tag = tagptr ? *tagptr : 0; | |
484 | ||
794d69ca JA |
485 | do { |
486 | this_len = size; | |
b9d2f30a JA |
487 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
488 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 489 | |
7f868316 JA |
490 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
491 | if (cmd) | |
492 | free(cmd); | |
493 | ||
494 | cur_len = sizeof(*cmd) + this_len; | |
495 | cmd = malloc(cur_len); | |
496 | } | |
794d69ca | 497 | |
af9c9fb3 | 498 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
499 | |
500 | if (this_len < size) | |
ddcc0b69 | 501 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
502 | |
503 | fio_net_cmd_crc(cmd); | |
504 | ||
505 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
506 | size -= this_len; |
507 | buf += this_len; | |
508 | } while (!ret && size); | |
509 | ||
40c60516 JA |
510 | if (list) { |
511 | if (ret) | |
512 | free_reply(tag); | |
513 | else | |
514 | add_reply(tag, list); | |
515 | } | |
516 | ||
7f868316 JA |
517 | if (cmd) |
518 | free(cmd); | |
519 | ||
794d69ca JA |
520 | return ret; |
521 | } | |
522 | ||
9d2c74d7 JA |
523 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size, |
524 | uint64_t *tagptr, int flags) | |
f77d4b73 | 525 | { |
f77d4b73 JA |
526 | struct sk_entry *entry; |
527 | ||
528 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 529 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
530 | entry->opcode = opcode; |
531 | if (flags & SK_F_COPY) { | |
532 | entry->buf = smalloc(size); | |
533 | memcpy(entry->buf, buf, size); | |
534 | } else | |
535 | entry->buf = buf; | |
bead01d7 | 536 | |
f77d4b73 JA |
537 | entry->size = size; |
538 | entry->tagptr = tagptr; | |
539 | entry->flags = flags; | |
02594e37 JA |
540 | return entry; |
541 | } | |
542 | ||
bead01d7 JA |
543 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
544 | ||
02594e37 JA |
545 | static void fio_net_queue_entry(struct sk_entry *entry) |
546 | { | |
547 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
548 | ||
bead01d7 JA |
549 | if (entry->flags & SK_F_INLINE) |
550 | handle_sk_entry(sk_out, entry); | |
551 | else { | |
552 | sk_lock(sk_out); | |
553 | flist_add_tail(&entry->list, &sk_out->list); | |
554 | sk_unlock(sk_out); | |
f77d4b73 | 555 | |
bead01d7 JA |
556 | fio_mutex_up(&sk_out->wait); |
557 | } | |
02594e37 | 558 | } |
f77d4b73 | 559 | |
02594e37 JA |
560 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
561 | uint64_t *tagptr, int flags) | |
562 | { | |
563 | struct sk_entry *entry; | |
564 | ||
565 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
566 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
567 | return 0; |
568 | } | |
569 | ||
89c1707c | 570 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 571 | { |
178cde9f | 572 | struct fio_net_cmd cmd; |
132159a5 | 573 | |
af9c9fb3 | 574 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
575 | fio_net_cmd_crc(&cmd); |
576 | ||
577 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
578 | } | |
579 | ||
89c1707c JA |
580 | /* |
581 | * If 'list' is non-NULL, then allocate and store the sent command for | |
582 | * later verification. | |
583 | */ | |
584 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
585 | struct flist_head *list) | |
586 | { | |
89c1707c JA |
587 | int ret; |
588 | ||
40c60516 JA |
589 | if (list) |
590 | tag = alloc_reply(tag, opcode); | |
89c1707c | 591 | |
40c60516 | 592 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 593 | if (ret) { |
40c60516 JA |
594 | if (list) |
595 | free_reply(tag); | |
596 | ||
89c1707c JA |
597 | return ret; |
598 | } | |
599 | ||
40c60516 JA |
600 | if (list) |
601 | add_reply(tag, list); | |
602 | ||
89c1707c JA |
603 | return 0; |
604 | } | |
605 | ||
f77d4b73 JA |
606 | static int fio_net_queue_quit(void) |
607 | { | |
608 | dprint(FD_NET, "server: sending quit\n"); | |
609 | ||
610 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
611 | } | |
612 | ||
122c7725 | 613 | int fio_net_send_quit(int sk) |
437377e1 | 614 | { |
46c48f1f | 615 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 616 | |
8c95307b | 617 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
618 | } |
619 | ||
f77d4b73 | 620 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 621 | { |
11e950bd | 622 | struct cmd_end_pdu epdu; |
f58bd2a4 | 623 | uint64_t tag = 0; |
122c7725 | 624 | |
f58bd2a4 JA |
625 | if (cmd) |
626 | tag = cmd->tag; | |
122c7725 JA |
627 | |
628 | epdu.error = __cpu_to_le32(error); | |
629 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 630 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
631 | } |
632 | ||
f77d4b73 | 633 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
634 | { |
635 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 636 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
637 | } |
638 | ||
639 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
640 | { | |
641 | struct fio_fork_item *ffi; | |
642 | ||
643 | ffi = malloc(sizeof(*ffi)); | |
644 | ffi->exitval = 0; | |
645 | ffi->signal = 0; | |
646 | ffi->exited = 0; | |
647 | ffi->pid = pid; | |
648 | flist_add_tail(&ffi->list, list); | |
649 | } | |
650 | ||
6348b5de | 651 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 652 | { |
a7533dbd | 653 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 654 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
655 | } |
656 | ||
6348b5de | 657 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 658 | { |
a7533dbd | 659 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 660 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
661 | } |
662 | ||
663 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
664 | { | |
665 | int ret, status; | |
666 | ||
667 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
668 | if (ret < 0) { | |
669 | if (errno == ECHILD) { | |
a7533dbd | 670 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
671 | ffi->exited = 1; |
672 | } else | |
673 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
674 | } else if (ret == ffi->pid) { | |
675 | if (WIFSIGNALED(status)) { | |
676 | ffi->signal = WTERMSIG(status); | |
677 | ffi->exited = 1; | |
678 | } | |
679 | if (WIFEXITED(status)) { | |
680 | if (WEXITSTATUS(status)) | |
681 | ffi->exitval = WEXITSTATUS(status); | |
682 | ffi->exited = 1; | |
683 | } | |
684 | } | |
685 | } | |
686 | ||
f77d4b73 | 687 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 688 | { |
a7533dbd | 689 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
690 | |
691 | /* | |
692 | * Fold STOP and QUIT... | |
693 | */ | |
f77d4b73 JA |
694 | if (stop) { |
695 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
696 | fio_net_queue_quit(); | |
697 | } | |
698 | ||
122c7725 JA |
699 | flist_del(&ffi->list); |
700 | free(ffi); | |
701 | } | |
702 | ||
f77d4b73 | 703 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
704 | { |
705 | struct flist_head *entry, *tmp; | |
706 | struct fio_fork_item *ffi; | |
707 | ||
708 | flist_for_each_safe(entry, tmp, list) { | |
709 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
710 | ||
711 | fio_server_check_fork_item(ffi); | |
712 | ||
713 | if (ffi->exited) | |
f77d4b73 | 714 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
715 | } |
716 | } | |
717 | ||
6348b5de | 718 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 719 | { |
f77d4b73 | 720 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
721 | } |
722 | ||
6348b5de | 723 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 724 | { |
f77d4b73 | 725 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
726 | } |
727 | ||
323255cc JA |
728 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
729 | { | |
730 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
731 | void *file_name = pdu->file; | |
732 | struct cmd_start_pdu spdu; | |
733 | ||
734 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
735 | ||
736 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
737 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
738 | ||
739 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 740 | fio_net_queue_quit(); |
323255cc JA |
741 | return -1; |
742 | } | |
743 | ||
744 | spdu.jobs = cpu_to_le32(thread_number); | |
745 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 746 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
747 | return 0; |
748 | } | |
749 | ||
f77d4b73 JA |
750 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
751 | struct fio_net_cmd *cmd) | |
122c7725 JA |
752 | { |
753 | pid_t pid; | |
a64e88da | 754 | int ret; |
132159a5 | 755 | |
cbb1303c | 756 | fio_time_init(); |
122c7725 | 757 | set_genesis_time(); |
11e950bd | 758 | |
122c7725 JA |
759 | pid = fork(); |
760 | if (pid) { | |
6348b5de | 761 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
762 | return 0; |
763 | } | |
11e950bd | 764 | |
24660963 | 765 | ret = fio_backend(sk_out); |
2bb3f0a7 | 766 | free_threads_shm(); |
122c7725 | 767 | _exit(ret); |
81179eec JA |
768 | } |
769 | ||
b9d2f30a JA |
770 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
771 | { | |
46bcd498 JA |
772 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
773 | void *buf = pdu->buf; | |
b9d2f30a JA |
774 | struct cmd_start_pdu spdu; |
775 | ||
46bcd498 JA |
776 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
777 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
778 | ||
779 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 780 | fio_net_queue_quit(); |
b9d2f30a JA |
781 | return -1; |
782 | } | |
783 | ||
784 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 785 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
786 | |
787 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
788 | return 0; |
789 | } | |
790 | ||
81179eec JA |
791 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
792 | { | |
fa2ea806 JA |
793 | void *pdu = cmd->payload; |
794 | struct cmd_single_line_pdu *cslp; | |
795 | struct cmd_line_pdu *clp; | |
796 | unsigned long offset; | |
b9d2f30a | 797 | struct cmd_start_pdu spdu; |
fa2ea806 | 798 | char **argv; |
b9d2f30a | 799 | int i; |
81179eec | 800 | |
fa2ea806 JA |
801 | clp = pdu; |
802 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 803 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
804 | argv = malloc(clp->lines * sizeof(char *)); |
805 | offset = sizeof(*clp); | |
81179eec | 806 | |
fa2ea806 | 807 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 808 | |
fa2ea806 JA |
809 | for (i = 0; i < clp->lines; i++) { |
810 | cslp = pdu + offset; | |
811 | argv[i] = (char *) cslp->text; | |
812 | ||
813 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
814 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
815 | } | |
81179eec | 816 | |
46bcd498 | 817 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 818 | fio_net_queue_quit(); |
fa2ea806 | 819 | free(argv); |
81179eec | 820 | return -1; |
e6d1c668 | 821 | } |
81179eec | 822 | |
fa2ea806 JA |
823 | free(argv); |
824 | ||
b9d2f30a | 825 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 826 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
827 | |
828 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 829 | return 0; |
132159a5 JA |
830 | } |
831 | ||
c28e8e8c JA |
832 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
833 | { | |
3989b143 JA |
834 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
835 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 836 | uint64_t tag = cmd->tag; |
c28e8e8c | 837 | |
89c1707c JA |
838 | dprint(FD_NET, "server: sending probe reply\n"); |
839 | ||
ca09be4b JA |
840 | strcpy(me, (char *) pdu->server); |
841 | ||
c28e8e8c JA |
842 | memset(&probe, 0, sizeof(probe)); |
843 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 844 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
845 | probe.bigendian = 1; |
846 | #endif | |
750db473 | 847 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 848 | |
cca84643 JA |
849 | probe.os = FIO_OS; |
850 | probe.arch = FIO_ARCH; | |
38fdef22 | 851 | probe.bpp = sizeof(void *); |
d31e26d0 | 852 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
853 | |
854 | /* | |
855 | * If the client supports compression and we do too, then enable it | |
856 | */ | |
857 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
858 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
859 | use_zlib = 1; | |
860 | } else { | |
861 | probe.flags = 0; | |
862 | use_zlib = 0; | |
863 | } | |
38fdef22 | 864 | |
f77d4b73 | 865 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
866 | } |
867 | ||
868 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
869 | { | |
870 | struct jobs_eta *je; | |
40c60516 | 871 | uint64_t tag = cmd->tag; |
723297c9 | 872 | size_t size; |
af9c9fb3 JA |
873 | int i; |
874 | ||
e123c833 JA |
875 | dprint(FD_NET, "server sending status\n"); |
876 | ||
877 | /* | |
878 | * Fake ETA return if we don't have a local one, otherwise the client | |
879 | * will end up timing out waiting for a response to the ETA request | |
880 | */ | |
c5103619 | 881 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
882 | if (!je) { |
883 | size = sizeof(*je); | |
884 | je = calloc(1, size); | |
885 | } else { | |
e123c833 JA |
886 | je->nr_running = cpu_to_le32(je->nr_running); |
887 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
888 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
889 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
890 | je->files_open = cpu_to_le32(je->files_open); | |
891 | ||
892 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
893 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
894 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
895 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
896 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
897 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
898 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
899 | } | |
af9c9fb3 | 900 | |
e123c833 JA |
901 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
902 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
903 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
904 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
905 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
906 | } |
907 | ||
f77d4b73 | 908 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 909 | return 0; |
c28e8e8c JA |
910 | } |
911 | ||
f77d4b73 | 912 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
913 | { |
914 | uint64_t tag = __tag; | |
915 | uint32_t pdu_error; | |
916 | ||
917 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 918 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
919 | } |
920 | ||
f58bd2a4 JA |
921 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
922 | { | |
923 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
924 | struct thread_data *td; | |
925 | uint32_t tnumber; | |
926 | ||
927 | tnumber = le32_to_cpu(pdu->thread_number); | |
928 | ||
929 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
930 | ||
30ffacbf | 931 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 932 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
933 | return 0; |
934 | } | |
935 | ||
30ffacbf | 936 | td = &threads[tnumber - 1]; |
f58bd2a4 | 937 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 938 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
939 | return 0; |
940 | } | |
941 | ||
ca09be4b JA |
942 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
943 | { | |
944 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
945 | char *buf = (char *) pdu->cmd; | |
946 | struct all_io_list *rep; | |
947 | size_t sz; | |
948 | ||
949 | pdu->len = le16_to_cpu(pdu->len); | |
950 | buf[pdu->len] = '\0'; | |
951 | ||
952 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
953 | if (!rep) { | |
954 | struct all_io_list state; | |
955 | ||
956 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
957 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
958 | } else | |
959 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
960 | |
961 | exec_trigger(buf); | |
962 | return 0; | |
963 | } | |
964 | ||
f77d4b73 JA |
965 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
966 | struct fio_net_cmd *cmd) | |
132159a5 JA |
967 | { |
968 | int ret; | |
969 | ||
4b91ee8f JA |
970 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
971 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
972 | (unsigned long long) cmd->tag); | |
46c48f1f | 973 | |
132159a5 JA |
974 | switch (cmd->opcode) { |
975 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 976 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
977 | ret = 0; |
978 | break; | |
d7959186 | 979 | case FIO_NET_CMD_EXIT: |
132159a5 | 980 | exit_backend = 1; |
c28e8e8c | 981 | return -1; |
323255cc JA |
982 | case FIO_NET_CMD_LOAD_FILE: |
983 | ret = handle_load_file_cmd(cmd); | |
984 | break; | |
132159a5 | 985 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 986 | ret = handle_job_cmd(cmd); |
132159a5 | 987 | break; |
81179eec JA |
988 | case FIO_NET_CMD_JOBLINE: |
989 | ret = handle_jobline_cmd(cmd); | |
990 | break; | |
c28e8e8c JA |
991 | case FIO_NET_CMD_PROBE: |
992 | ret = handle_probe_cmd(cmd); | |
993 | break; | |
af9c9fb3 JA |
994 | case FIO_NET_CMD_SEND_ETA: |
995 | ret = handle_send_eta_cmd(cmd); | |
996 | break; | |
b9d2f30a | 997 | case FIO_NET_CMD_RUN: |
f77d4b73 | 998 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 999 | break; |
f58bd2a4 JA |
1000 | case FIO_NET_CMD_UPDATE_JOB: |
1001 | ret = handle_update_job_cmd(cmd); | |
1002 | break; | |
ca09be4b JA |
1003 | case FIO_NET_CMD_VTRIGGER: |
1004 | ret = handle_trigger_cmd(cmd); | |
1005 | break; | |
1006 | case FIO_NET_CMD_SENDFILE: { | |
1007 | struct cmd_sendfile_reply *in; | |
1008 | struct cmd_reply *rep; | |
1009 | ||
1010 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1011 | ||
1012 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1013 | in->size = le32_to_cpu(in->size); | |
1014 | in->error = le32_to_cpu(in->error); | |
1015 | if (in->error) { | |
1016 | ret = 1; | |
1017 | rep->error = in->error; | |
1018 | } else { | |
1019 | ret = 0; | |
1020 | rep->data = smalloc(in->size); | |
1021 | if (!rep->data) { | |
1022 | ret = 1; | |
1023 | rep->error = ENOMEM; | |
1024 | } else { | |
1025 | rep->size = in->size; | |
1026 | memcpy(rep->data, in->data, in->size); | |
1027 | } | |
1028 | } | |
1029 | fio_mutex_up(&rep->lock); | |
1030 | break; | |
1031 | } | |
132159a5 | 1032 | default: |
3c3ed070 | 1033 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1034 | ret = 1; |
1035 | } | |
1036 | ||
1037 | return ret; | |
1038 | } | |
1039 | ||
02594e37 JA |
1040 | /* |
1041 | * Send a command with a separate PDU, not inlined in the command | |
1042 | */ | |
1043 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1044 | off_t size, uint64_t tag, uint32_t flags) | |
1045 | { | |
1046 | struct fio_net_cmd cmd; | |
1047 | struct iovec iov[2]; | |
1048 | ||
1049 | iov[0].iov_base = (void *) &cmd; | |
1050 | iov[0].iov_len = sizeof(cmd); | |
1051 | iov[1].iov_base = (void *) buf; | |
1052 | iov[1].iov_len = size; | |
1053 | ||
1054 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1055 | cmd.flags = __cpu_to_le32(flags); | |
1056 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1057 | ||
1058 | return fio_sendv_data(sk, iov, 2); | |
1059 | } | |
1060 | ||
1061 | static void finish_entry(struct sk_entry *entry) | |
1062 | { | |
1063 | if (entry->flags & SK_F_FREE) | |
1064 | free(entry->buf); | |
1065 | else if (entry->flags & SK_F_COPY) | |
1066 | sfree(entry->buf); | |
1067 | ||
1068 | sfree(entry); | |
1069 | } | |
1070 | ||
b3882320 JA |
1071 | static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list, |
1072 | unsigned int *flags, uint64_t *tag) | |
02594e37 | 1073 | { |
b3882320 JA |
1074 | if (!flist_empty(list)) |
1075 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1076 | else |
b3882320 | 1077 | *flags = 0; |
02594e37 | 1078 | |
b3882320 JA |
1079 | if (entry->tagptr) |
1080 | *tag = *entry->tagptr; | |
02594e37 | 1081 | else |
b3882320 JA |
1082 | *tag = 0; |
1083 | } | |
02594e37 | 1084 | |
b3882320 JA |
1085 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1086 | { | |
1087 | unsigned int flags; | |
1088 | uint64_t tag; | |
1089 | int ret; | |
1090 | ||
1091 | entry_set_flags_tag(first, &first->next, &flags, &tag); | |
1092 | ||
1093 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags); | |
02594e37 JA |
1094 | |
1095 | while (!flist_empty(&first->next)) { | |
1096 | struct sk_entry *next; | |
1097 | ||
1098 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1099 | flist_del_init(&next->list); | |
02594e37 | 1100 | |
b3882320 | 1101 | entry_set_flags_tag(next, &first->next, &flags, &tag); |
02594e37 | 1102 | |
b3882320 | 1103 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags); |
02594e37 JA |
1104 | finish_entry(next); |
1105 | } | |
b3882320 JA |
1106 | |
1107 | return ret; | |
02594e37 JA |
1108 | } |
1109 | ||
b3882320 | 1110 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1111 | { |
b3882320 JA |
1112 | int ret; |
1113 | ||
bead01d7 JA |
1114 | fio_mutex_down(&sk_out->xmit); |
1115 | ||
02594e37 | 1116 | if (entry->flags & SK_F_VEC) |
b3882320 | 1117 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1118 | else if (entry->flags & SK_F_SIMPLE) { |
f77d4b73 JA |
1119 | uint64_t tag = 0; |
1120 | ||
1121 | if (entry->tagptr) | |
1122 | tag = *entry->tagptr; | |
1123 | ||
b3882320 | 1124 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL); |
f77d4b73 | 1125 | } else |
b3882320 JA |
1126 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL); |
1127 | ||
bead01d7 JA |
1128 | fio_mutex_up(&sk_out->xmit); |
1129 | ||
b3882320 JA |
1130 | if (ret) |
1131 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1132 | |
02594e37 | 1133 | finish_entry(entry); |
b3882320 | 1134 | return ret; |
f77d4b73 JA |
1135 | } |
1136 | ||
b3882320 | 1137 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1138 | { |
1139 | struct sk_entry *entry; | |
1140 | FLIST_HEAD(list); | |
b3882320 | 1141 | int ret = 0; |
f77d4b73 JA |
1142 | |
1143 | sk_lock(sk_out); | |
1144 | if (flist_empty(&sk_out->list)) { | |
1145 | sk_unlock(sk_out); | |
b3882320 | 1146 | return 0; |
f77d4b73 JA |
1147 | } |
1148 | ||
1149 | flist_splice_init(&sk_out->list, &list); | |
1150 | sk_unlock(sk_out); | |
1151 | ||
1152 | while (!flist_empty(&list)) { | |
1153 | entry = flist_entry(list.next, struct sk_entry, list); | |
1154 | flist_del(&entry->list); | |
b3882320 | 1155 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1156 | } |
b3882320 JA |
1157 | |
1158 | return ret; | |
f77d4b73 JA |
1159 | } |
1160 | ||
1161 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1162 | { |
1163 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1164 | FLIST_HEAD(job_list); |
132159a5 JA |
1165 | int ret = 0; |
1166 | ||
122c7725 | 1167 | reset_fio_state(); |
122c7725 | 1168 | |
132159a5 JA |
1169 | /* read forever */ |
1170 | while (!exit_backend) { | |
e951bdc4 | 1171 | struct pollfd pfd = { |
f77d4b73 | 1172 | .fd = sk_out->sk, |
e951bdc4 JA |
1173 | .events = POLLIN, |
1174 | }; | |
1175 | ||
1176 | ret = 0; | |
1177 | do { | |
54163255 JA |
1178 | int timeout = 1000; |
1179 | ||
1180 | if (!flist_empty(&job_list)) | |
1181 | timeout = 100; | |
3c3ed070 | 1182 | |
f77d4b73 JA |
1183 | handle_xmits(sk_out); |
1184 | ||
1185 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1186 | if (ret < 0) { |
1187 | if (errno == EINTR) | |
1188 | break; | |
1189 | log_err("fio: poll: %s\n", strerror(errno)); | |
1190 | break; | |
19c65179 | 1191 | } else if (!ret) { |
6348b5de | 1192 | fio_server_check_jobs(&job_list); |
bead01d7 | 1193 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1194 | continue; |
19c65179 | 1195 | } |
e951bdc4 JA |
1196 | |
1197 | if (pfd.revents & POLLIN) | |
1198 | break; | |
1199 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1200 | ret = 1; | |
1201 | break; | |
1202 | } | |
19c65179 | 1203 | } while (!exit_backend); |
e951bdc4 | 1204 | |
6348b5de | 1205 | fio_server_check_jobs(&job_list); |
122c7725 | 1206 | |
e951bdc4 JA |
1207 | if (ret < 0) |
1208 | break; | |
1209 | ||
f77d4b73 | 1210 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1211 | if (!cmd) { |
c28e8e8c | 1212 | ret = -1; |
132159a5 JA |
1213 | break; |
1214 | } | |
1215 | ||
f77d4b73 | 1216 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1217 | if (ret) |
1218 | break; | |
1219 | ||
1220 | free(cmd); | |
c77a99e7 | 1221 | cmd = NULL; |
132159a5 JA |
1222 | } |
1223 | ||
1224 | if (cmd) | |
1225 | free(cmd); | |
1226 | ||
f77d4b73 JA |
1227 | handle_xmits(sk_out); |
1228 | ||
1229 | close(sk_out->sk); | |
0ae6acea | 1230 | sk_out->sk = -1; |
bce503fc | 1231 | __sk_out_drop(sk_out); |
122c7725 | 1232 | _exit(ret); |
cc0df00a JA |
1233 | } |
1234 | ||
296ab20a BE |
1235 | /* get the address on this host bound by the input socket, |
1236 | * whether it is ipv6 or ipv4 */ | |
1237 | ||
9d2c74d7 | 1238 | static int get_my_addr_str(int sk) |
296ab20a | 1239 | { |
f77d4b73 JA |
1240 | struct sockaddr_in6 myaddr6 = { 0, }; |
1241 | struct sockaddr_in myaddr4 = { 0, }; | |
1242 | struct sockaddr *sockaddr_p; | |
1243 | char *net_addr; | |
1244 | socklen_t len; | |
1245 | int ret; | |
296ab20a | 1246 | |
f77d4b73 JA |
1247 | if (use_ipv6) { |
1248 | len = sizeof(myaddr6); | |
296ab20a | 1249 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1250 | net_addr = (char * )&myaddr6.sin6_addr; |
1251 | } else { | |
1252 | len = sizeof(myaddr4); | |
296ab20a | 1253 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1254 | net_addr = (char * )&myaddr4.sin_addr; |
1255 | } | |
1256 | ||
296ab20a BE |
1257 | ret = getsockname(sk, sockaddr_p, &len); |
1258 | if (ret) { | |
1259 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1260 | return -1; |
1261 | } | |
f77d4b73 JA |
1262 | |
1263 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1264 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1265 | return -1; |
1266 | } | |
f77d4b73 | 1267 | |
296ab20a BE |
1268 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1269 | return 0; | |
1270 | } | |
1271 | ||
ea1cd038 | 1272 | static int accept_loop(int listen_sk) |
50d16976 | 1273 | { |
bb447a27 | 1274 | struct sockaddr_in addr; |
479471c4 JA |
1275 | struct sockaddr_in6 addr6; |
1276 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1277 | struct pollfd pfd; |
4a851614 | 1278 | int ret = 0, sk, exitval = 0; |
6348b5de | 1279 | FLIST_HEAD(conn_list); |
50d16976 | 1280 | |
60efd14e JA |
1281 | dprint(FD_NET, "server enter accept loop\n"); |
1282 | ||
4a851614 | 1283 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1284 | |
122c7725 | 1285 | while (!exit_backend) { |
ea1cd038 | 1286 | struct sk_out *sk_out; |
479471c4 JA |
1287 | const char *from; |
1288 | char buf[64]; | |
122c7725 | 1289 | pid_t pid; |
009b1be4 | 1290 | |
122c7725 JA |
1291 | pfd.fd = listen_sk; |
1292 | pfd.events = POLLIN; | |
1293 | do { | |
54163255 JA |
1294 | int timeout = 1000; |
1295 | ||
1296 | if (!flist_empty(&conn_list)) | |
1297 | timeout = 100; | |
1298 | ||
1299 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1300 | if (ret < 0) { |
1301 | if (errno == EINTR) | |
1302 | break; | |
1303 | log_err("fio: poll: %s\n", strerror(errno)); | |
1304 | break; | |
1305 | } else if (!ret) { | |
6348b5de | 1306 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1307 | continue; |
1308 | } | |
009b1be4 | 1309 | |
122c7725 JA |
1310 | if (pfd.revents & POLLIN) |
1311 | break; | |
1312 | } while (!exit_backend); | |
50d16976 | 1313 | |
6348b5de | 1314 | fio_server_check_conns(&conn_list); |
46c48f1f | 1315 | |
122c7725 JA |
1316 | if (exit_backend || ret < 0) |
1317 | break; | |
1318 | ||
479471c4 JA |
1319 | if (use_ipv6) |
1320 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1321 | else | |
1322 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1323 | ||
122c7725 JA |
1324 | if (sk < 0) { |
1325 | log_err("fio: accept: %s\n", strerror(errno)); | |
1326 | return -1; | |
1327 | } | |
37db14fe | 1328 | |
479471c4 JA |
1329 | if (use_ipv6) |
1330 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1331 | else | |
1332 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1333 | ||
1334 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1335 | |
bce503fc | 1336 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1337 | sk_out->sk = sk; |
bce503fc | 1338 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1339 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1340 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1341 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1342 | |
122c7725 JA |
1343 | pid = fork(); |
1344 | if (pid) { | |
1345 | close(sk); | |
6348b5de | 1346 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1347 | continue; |
1348 | } | |
5c341e9a | 1349 | |
0ae6acea JA |
1350 | /* if error, it's already logged, non-fatal */ |
1351 | get_my_addr_str(sk); | |
1352 | ||
1353 | /* | |
1354 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1355 | * since that function calls _exit() when done | |
1356 | */ | |
bce503fc | 1357 | sk_out_assign(sk_out); |
f77d4b73 | 1358 | handle_connection(sk_out); |
122c7725 | 1359 | } |
5c341e9a | 1360 | |
132159a5 | 1361 | return exitval; |
50d16976 JA |
1362 | } |
1363 | ||
084d1c6f | 1364 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1365 | { |
f77d4b73 | 1366 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1367 | struct cmd_text_pdu *pdu; |
1368 | unsigned int tlen; | |
1369 | struct timeval tv; | |
1370 | ||
f77d4b73 | 1371 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1372 | return -1; |
084d1c6f JA |
1373 | |
1374 | tlen = sizeof(*pdu) + len; | |
1375 | pdu = malloc(tlen); | |
1376 | ||
1377 | pdu->level = __cpu_to_le32(level); | |
1378 | pdu->buf_len = __cpu_to_le32(len); | |
1379 | ||
1380 | gettimeofday(&tv, NULL); | |
1381 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1382 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1383 | |
084d1c6f JA |
1384 | memcpy(pdu->buf, buf, len); |
1385 | ||
f77d4b73 | 1386 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1387 | free(pdu); |
1388 | return len; | |
142575e6 JA |
1389 | } |
1390 | ||
a64e88da JA |
1391 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1392 | { | |
1393 | dst->max_val = cpu_to_le64(src->max_val); | |
1394 | dst->min_val = cpu_to_le64(src->min_val); | |
1395 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1396 | |
1397 | /* | |
1398 | * Encode to IEEE 754 for network transfer | |
1399 | */ | |
e5c9093d JA |
1400 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1401 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1402 | } |
1403 | ||
1404 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1405 | { | |
1406 | int i; | |
1407 | ||
298921d6 | 1408 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1409 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1410 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1411 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1412 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1413 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1414 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1415 | } | |
1416 | ||
1417 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1418 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1419 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1420 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1421 | } |
1422 | ||
1423 | /* | |
1424 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1425 | * into a single payload. | |
1426 | */ | |
1427 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1428 | { | |
1429 | struct cmd_ts_pdu p; | |
1430 | int i, j; | |
1431 | ||
60efd14e JA |
1432 | dprint(FD_NET, "server sending end stats\n"); |
1433 | ||
317b3c8b JA |
1434 | memset(&p, 0, sizeof(p)); |
1435 | ||
4e59d0f3 JA |
1436 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1437 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1438 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1439 | |
2f122b13 JA |
1440 | p.ts.error = cpu_to_le32(ts->error); |
1441 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1442 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1443 | p.ts.pid = cpu_to_le32(ts->pid); | |
1444 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1445 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1446 | |
298921d6 | 1447 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1448 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1449 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1450 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1451 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1452 | } | |
1453 | ||
1454 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1455 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1456 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1457 | p.ts.minf = cpu_to_le64(ts->minf); | |
1458 | p.ts.majf = cpu_to_le64(ts->majf); | |
1459 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1460 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1461 | |
1462 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1463 | fio_fp64_t *src = &ts->percentile_list[i]; |
1464 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1465 | |
e5c9093d | 1466 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1467 | } |
a64e88da JA |
1468 | |
1469 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1470 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1471 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1472 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1473 | } | |
1474 | ||
1475 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1476 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1477 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1478 | } | |
1479 | ||
298921d6 | 1480 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1481 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1482 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1483 | ||
78799deb | 1484 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1485 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1486 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1487 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1488 | } |
1489 | ||
93eee04a | 1490 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1491 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1492 | ||
298921d6 | 1493 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1494 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1495 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1496 | } | |
1497 | ||
1498 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1499 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1500 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1501 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1502 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1503 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1504 | |
3e260a46 JA |
1505 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1506 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1507 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1508 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1509 | |
66347cfa DE |
1510 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1511 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1512 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1513 | ||
a64e88da JA |
1514 | convert_gs(&p.rs, rs); |
1515 | ||
f77d4b73 | 1516 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1517 | } |
1518 | ||
1519 | void fio_server_send_gs(struct group_run_stats *rs) | |
1520 | { | |
1521 | struct group_run_stats gs; | |
1522 | ||
60efd14e JA |
1523 | dprint(FD_NET, "server sending group run stats\n"); |
1524 | ||
a64e88da | 1525 | convert_gs(&gs, rs); |
f77d4b73 | 1526 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1527 | } |
1528 | ||
0279b880 JA |
1529 | void fio_server_send_job_options(struct flist_head *opt_list, |
1530 | unsigned int groupid) | |
1531 | { | |
1532 | struct cmd_job_option pdu; | |
1533 | struct flist_head *entry; | |
1534 | ||
1535 | if (flist_empty(opt_list)) | |
1536 | return; | |
1537 | ||
1538 | flist_for_each(entry, opt_list) { | |
1539 | struct print_option *p; | |
bc0fec0e | 1540 | size_t len; |
0279b880 JA |
1541 | |
1542 | p = flist_entry(entry, struct print_option, list); | |
1543 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1544 | |
0279b880 JA |
1545 | if (groupid == -1U) { |
1546 | pdu.global = __cpu_to_le16(1); | |
1547 | pdu.groupid = 0; | |
1548 | } else { | |
1549 | pdu.global = 0; | |
bc0fec0e JA |
1550 | pdu.groupid = cpu_to_le32(groupid); |
1551 | } | |
1552 | len = strlen(p->name); | |
1553 | if (len >= sizeof(pdu.name)) { | |
1554 | len = sizeof(pdu.name) - 1; | |
1555 | pdu.truncated = __cpu_to_le16(1); | |
1556 | } | |
1557 | memcpy(pdu.name, p->name, len); | |
1558 | if (p->value) { | |
1559 | len = strlen(p->value); | |
1560 | if (len >= sizeof(pdu.value)) { | |
1561 | len = sizeof(pdu.value) - 1; | |
1562 | pdu.truncated = __cpu_to_le16(1); | |
1563 | } | |
1564 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1565 | } |
0279b880 JA |
1566 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1567 | } | |
1568 | } | |
1569 | ||
d09a64a0 JA |
1570 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1571 | { | |
1572 | int i; | |
1573 | ||
1574 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1575 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1576 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1577 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1578 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1579 | } |
1580 | ||
504bc961 JA |
1581 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1582 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1583 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1584 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1585 | } |
1586 | ||
1587 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1588 | { | |
1589 | int i; | |
1590 | ||
59140421 JA |
1591 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1592 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1593 | |
1594 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1595 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1596 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1597 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1598 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1599 | } |
1600 | ||
504bc961 JA |
1601 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1602 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1603 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1604 | } |
1605 | ||
1606 | void fio_server_send_du(void) | |
1607 | { | |
1608 | struct disk_util *du; | |
1609 | struct flist_head *entry; | |
1610 | struct cmd_du_pdu pdu; | |
1611 | ||
1612 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1613 | ||
0766d92e JA |
1614 | memset(&pdu, 0, sizeof(pdu)); |
1615 | ||
d09a64a0 JA |
1616 | flist_for_each(entry, &disk_list) { |
1617 | du = flist_entry(entry, struct disk_util, list); | |
1618 | ||
1619 | convert_dus(&pdu.dus, &du->dus); | |
1620 | convert_agg(&pdu.agg, &du->agg); | |
1621 | ||
f77d4b73 | 1622 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1623 | } |
1624 | } | |
1625 | ||
02594e37 | 1626 | static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1627 | { |
3989b143 JA |
1628 | int ret = 0; |
1629 | #ifdef CONFIG_ZLIB | |
02594e37 | 1630 | struct sk_entry *entry; |
1b42725f JA |
1631 | z_stream stream; |
1632 | void *out_pdu; | |
1b42725f JA |
1633 | |
1634 | /* | |
1635 | * Dirty - since the log is potentially huge, compress it into | |
1636 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1637 | * side defragment it. | |
1638 | */ | |
1639 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1640 | ||
1641 | stream.zalloc = Z_NULL; | |
1642 | stream.zfree = Z_NULL; | |
1643 | stream.opaque = Z_NULL; | |
1644 | ||
1645 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1646 | ret = 1; |
1647 | goto err; | |
1b42725f JA |
1648 | } |
1649 | ||
f5ed765a | 1650 | stream.next_in = (void *) log->log; |
ae588852 | 1651 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1652 | |
1653 | do { | |
02594e37 | 1654 | unsigned int this_len; |
1b42725f JA |
1655 | |
1656 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1657 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1658 | ret = deflate(&stream, Z_FINISH); |
1659 | /* may be Z_OK, or Z_STREAM_END */ | |
1660 | if (ret < 0) | |
1661 | goto err_zlib; | |
1b42725f JA |
1662 | |
1663 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1664 | ||
02594e37 | 1665 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
bead01d7 JA |
1666 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1667 | out_pdu = NULL; | |
02594e37 | 1668 | flist_add_tail(&entry->list, &first->next); |
1b42725f JA |
1669 | } while (stream.avail_in); |
1670 | ||
53bd8dbc | 1671 | err_zlib: |
1b42725f | 1672 | deflateEnd(&stream); |
53bd8dbc JA |
1673 | err: |
1674 | free(out_pdu); | |
3989b143 | 1675 | #endif |
53bd8dbc | 1676 | return ret; |
1b42725f JA |
1677 | } |
1678 | ||
3989b143 JA |
1679 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1680 | { | |
1681 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1682 | struct sk_entry *first; |
3989b143 JA |
1683 | int i, ret = 0; |
1684 | ||
ae588852 | 1685 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1686 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1687 | pdu.log_type = cpu_to_le32(log->log_type); |
1688 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1689 | |
1690 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1691 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1692 | |
1693 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1694 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1695 | |
b26317c9 JA |
1696 | s->time = cpu_to_le64(s->time); |
1697 | s->val = cpu_to_le64(s->val); | |
1698 | s->__ddir = cpu_to_le32(s->__ddir); | |
1699 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1700 | |
1701 | if (log->log_offset) { | |
1702 | struct io_sample_offset *so = (void *) s; | |
1703 | ||
1704 | so->offset = cpu_to_le64(so->offset); | |
1705 | } | |
3989b143 JA |
1706 | } |
1707 | ||
1708 | /* | |
02594e37 | 1709 | * Assemble header entry first |
3989b143 | 1710 | */ |
bead01d7 | 1711 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1712 | |
1713 | /* | |
02594e37 JA |
1714 | * Now append actual log entries. Compress if we can, otherwise just |
1715 | * plain text output. | |
3989b143 JA |
1716 | */ |
1717 | if (use_zlib) | |
02594e37 | 1718 | ret = fio_send_iolog_gz(first, log); |
f77d4b73 | 1719 | else { |
02594e37 JA |
1720 | struct sk_entry *entry; |
1721 | ||
1722 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, | |
1723 | log->nr_samples * log_entry_sz(log), | |
bead01d7 | 1724 | NULL, SK_F_VEC | SK_F_INLINE); |
02594e37 | 1725 | flist_add_tail(&entry->list, &first->next); |
f77d4b73 | 1726 | } |
3989b143 | 1727 | |
bead01d7 | 1728 | fio_net_queue_entry(first); |
f77d4b73 | 1729 | return ret; |
3989b143 JA |
1730 | } |
1731 | ||
2f122b13 | 1732 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1733 | { |
1734 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1735 | |
731e30a2 | 1736 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1737 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1738 | pdu.groupid = cpu_to_le32(td->groupid); | |
1739 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1740 | |
f77d4b73 | 1741 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
807f9971 JA |
1742 | } |
1743 | ||
122c7725 JA |
1744 | void fio_server_send_start(struct thread_data *td) |
1745 | { | |
f77d4b73 JA |
1746 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1747 | ||
1748 | assert(sk_out->sk != -1); | |
122c7725 | 1749 | |
f77d4b73 | 1750 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1751 | } |
1752 | ||
ca09be4b | 1753 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1754 | void **datap, int *version) |
ca09be4b JA |
1755 | { |
1756 | struct thread_io_list *s; | |
1757 | struct cmd_sendfile out; | |
1758 | struct cmd_reply *rep; | |
1759 | uint64_t tag; | |
1760 | void *data; | |
1761 | ||
1762 | dprint(FD_NET, "server: request verify state\n"); | |
1763 | ||
1764 | rep = smalloc(sizeof(*rep)); | |
1765 | if (!rep) { | |
1766 | log_err("fio: smalloc pool too small\n"); | |
1767 | return 1; | |
1768 | } | |
1769 | ||
1770 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1771 | rep->data = NULL; | |
1772 | rep->error = 0; | |
1773 | ||
e499aedc JA |
1774 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1775 | threadnumber); | |
ca09be4b | 1776 | tag = (uint64_t) (uintptr_t) rep; |
f77d4b73 | 1777 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY); |
ca09be4b JA |
1778 | |
1779 | /* | |
1780 | * Wait for the backend to receive the reply | |
1781 | */ | |
09400a60 | 1782 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b JA |
1783 | log_err("fio: timed out waiting for reply\n"); |
1784 | goto fail; | |
1785 | } | |
1786 | ||
1787 | if (rep->error) { | |
1788 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1789 | fail: | |
1790 | *datap = NULL; | |
1791 | sfree(rep); | |
f77d4b73 | 1792 | fio_net_queue_quit(); |
ca09be4b JA |
1793 | return 1; |
1794 | } | |
1795 | ||
1796 | /* | |
1797 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1798 | * the header, and the thread_io_list checksum | |
1799 | */ | |
1800 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1801 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1802 | goto fail; |
1803 | ||
1804 | /* | |
1805 | * Don't need the header from now, copy just the thread_io_list | |
1806 | */ | |
1807 | rep->size -= sizeof(struct verify_state_hdr); | |
1808 | data = malloc(rep->size); | |
1809 | memcpy(data, s, rep->size); | |
1810 | *datap = data; | |
1811 | ||
1812 | sfree(rep->data); | |
f5a42524 | 1813 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1814 | sfree(rep); |
1815 | return 0; | |
1816 | } | |
1817 | ||
87aa8f19 | 1818 | static int fio_init_server_ip(void) |
81179eec | 1819 | { |
811826be | 1820 | struct sockaddr *addr; |
67bf9823 | 1821 | socklen_t socklen; |
17e3531a JA |
1822 | char buf[80]; |
1823 | const char *str; | |
87aa8f19 | 1824 | int sk, opt; |
81179eec | 1825 | |
811826be JA |
1826 | if (use_ipv6) |
1827 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1828 | else | |
1829 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1830 | ||
81179eec JA |
1831 | if (sk < 0) { |
1832 | log_err("fio: socket: %s\n", strerror(errno)); | |
1833 | return -1; | |
1834 | } | |
1835 | ||
1836 | opt = 1; | |
1f81991e | 1837 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1838 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1839 | close(sk); |
81179eec JA |
1840 | return -1; |
1841 | } | |
1842 | #ifdef SO_REUSEPORT | |
6eb24791 | 1843 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1844 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1845 | close(sk); |
81179eec JA |
1846 | return -1; |
1847 | } | |
1848 | #endif | |
1849 | ||
811826be | 1850 | if (use_ipv6) { |
17e3531a JA |
1851 | const void *src = &saddr_in6.sin6_addr; |
1852 | ||
811826be JA |
1853 | addr = (struct sockaddr *) &saddr_in6; |
1854 | socklen = sizeof(saddr_in6); | |
1855 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1856 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1857 | } else { |
17e3531a JA |
1858 | const void *src = &saddr_in.sin_addr; |
1859 | ||
811826be JA |
1860 | addr = (struct sockaddr *) &saddr_in; |
1861 | socklen = sizeof(saddr_in); | |
1862 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1863 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1864 | } |
81179eec | 1865 | |
811826be | 1866 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1867 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1868 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1869 | close(sk); |
81179eec JA |
1870 | return -1; |
1871 | } | |
1872 | ||
87aa8f19 JA |
1873 | return sk; |
1874 | } | |
1875 | ||
1876 | static int fio_init_server_sock(void) | |
1877 | { | |
1878 | struct sockaddr_un addr; | |
67bf9823 | 1879 | socklen_t len; |
87aa8f19 JA |
1880 | mode_t mode; |
1881 | int sk; | |
1882 | ||
1883 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1884 | if (sk < 0) { | |
1885 | log_err("fio: socket: %s\n", strerror(errno)); | |
1886 | return -1; | |
1887 | } | |
1888 | ||
1889 | mode = umask(000); | |
1890 | ||
1891 | memset(&addr, 0, sizeof(addr)); | |
1892 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1893 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1894 | |
1895 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1896 | ||
1897 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1898 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1899 | close(sk); |
87aa8f19 JA |
1900 | return -1; |
1901 | } | |
1902 | ||
1903 | umask(mode); | |
1904 | return sk; | |
1905 | } | |
1906 | ||
1907 | static int fio_init_server_connection(void) | |
1908 | { | |
bebe6398 | 1909 | char bind_str[128]; |
87aa8f19 JA |
1910 | int sk; |
1911 | ||
1912 | dprint(FD_NET, "starting server\n"); | |
1913 | ||
1914 | if (!bind_sock) | |
1915 | sk = fio_init_server_ip(); | |
1916 | else | |
1917 | sk = fio_init_server_sock(); | |
1918 | ||
1919 | if (sk < 0) | |
1920 | return sk; | |
1921 | ||
afdcad23 JA |
1922 | memset(bind_str, 0, sizeof(bind_str)); |
1923 | ||
811826be JA |
1924 | if (!bind_sock) { |
1925 | char *p, port[16]; | |
1926 | const void *src; | |
1927 | int af; | |
1928 | ||
1929 | if (use_ipv6) { | |
1930 | af = AF_INET6; | |
1931 | src = &saddr_in6.sin6_addr; | |
1932 | } else { | |
1933 | af = AF_INET; | |
1934 | src = &saddr_in.sin_addr; | |
1935 | } | |
1936 | ||
1937 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1938 | ||
1939 | sprintf(port, ",%u", fio_net_port); | |
1940 | if (p) | |
1941 | strcat(p, port); | |
1942 | else | |
afdcad23 | 1943 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1944 | } else |
afdcad23 | 1945 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1946 | |
1947 | log_info("fio: server listening on %s\n", bind_str); | |
1948 | ||
1e1507df | 1949 | if (listen(sk, 4) < 0) { |
81179eec | 1950 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1951 | close(sk); |
81179eec JA |
1952 | return -1; |
1953 | } | |
1954 | ||
87aa8f19 JA |
1955 | return sk; |
1956 | } | |
1957 | ||
3aa3ceeb | 1958 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1959 | struct in6_addr *inp6) |
1960 | ||
1961 | { | |
1962 | int ret = 0; | |
1963 | ||
3aa3ceeb | 1964 | if (ipv6) |
3ec62ec4 JA |
1965 | ret = inet_pton(AF_INET6, host, inp6); |
1966 | else | |
1967 | ret = inet_pton(AF_INET, host, inp); | |
1968 | ||
1969 | if (ret != 1) { | |
479471c4 JA |
1970 | struct addrinfo hints, *res; |
1971 | ||
1972 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1973 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1974 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1975 | |
479471c4 JA |
1976 | ret = getaddrinfo(host, NULL, &hints, &res); |
1977 | if (ret) { | |
1978 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1979 | gai_strerror(ret)); | |
3caf43e3 | 1980 | return 1; |
3ec62ec4 JA |
1981 | } |
1982 | ||
3aa3ceeb | 1983 | if (ipv6) |
479471c4 JA |
1984 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1985 | else | |
1986 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1987 | ||
3ec62ec4 | 1988 | ret = 1; |
479471c4 | 1989 | freeaddrinfo(res); |
3ec62ec4 JA |
1990 | } |
1991 | ||
1992 | return !(ret == 1); | |
1993 | } | |
1994 | ||
660a2bfb JA |
1995 | /* |
1996 | * Parse a host/ip/port string. Reads from 'str'. | |
1997 | * | |
1998 | * Outputs: | |
1999 | * | |
2000 | * For IPv4: | |
2001 | * *ptr is the host, *port is the port, inp is the destination. | |
2002 | * For IPv6: | |
2003 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2004 | * For local domain sockets: | |
2005 | * *ptr is the filename, *is_sock is 1. | |
2006 | */ | |
bebe6398 | 2007 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2008 | int *port, struct in_addr *inp, |
2009 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2010 | { |
76867621 JA |
2011 | const char *host = str; |
2012 | char *portp; | |
3ec62ec4 | 2013 | int lport = 0; |
76867621 | 2014 | |
bebe6398 JA |
2015 | *ptr = NULL; |
2016 | *is_sock = 0; | |
6d2cf394 | 2017 | *port = fio_net_port; |
811826be | 2018 | *ipv6 = 0; |
bebe6398 JA |
2019 | |
2020 | if (!strncmp(str, "sock:", 5)) { | |
2021 | *ptr = strdup(str + 5); | |
2022 | *is_sock = 1; | |
76867621 JA |
2023 | |
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | /* | |
2028 | * Is it ip:<ip or host>:port | |
2029 | */ | |
2030 | if (!strncmp(host, "ip:", 3)) | |
2031 | host += 3; | |
2032 | else if (!strncmp(host, "ip4:", 4)) | |
2033 | host += 4; | |
2034 | else if (!strncmp(host, "ip6:", 4)) { | |
2035 | host += 4; | |
2036 | *ipv6 = 1; | |
2037 | } else if (host[0] == ':') { | |
2038 | /* String is :port */ | |
2039 | host++; | |
2040 | lport = atoi(host); | |
2041 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2042 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2043 | return 1; |
2044 | } | |
2045 | /* no hostname given, we are done */ | |
2046 | *port = lport; | |
2047 | return 0; | |
2048 | } | |
2049 | ||
2050 | /* | |
b96b90c3 | 2051 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2052 | */ |
2053 | if (!lport) { | |
2054 | portp = strchr(host, ','); | |
2055 | if (portp) { | |
2056 | *portp = '\0'; | |
2057 | portp++; | |
2058 | lport = atoi(portp); | |
bebe6398 | 2059 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2060 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2061 | return 1; |
2062 | } | |
bebe6398 | 2063 | } |
76867621 | 2064 | } |
bebe6398 | 2065 | |
76867621 JA |
2066 | if (lport) |
2067 | *port = lport; | |
bebe6398 | 2068 | |
76867621 JA |
2069 | if (!strlen(host)) |
2070 | return 0; | |
bebe6398 | 2071 | |
76867621 | 2072 | *ptr = strdup(host); |
811826be | 2073 | |
3aa3ceeb | 2074 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2075 | free(*ptr); |
2076 | *ptr = NULL; | |
2077 | return 1; | |
bebe6398 JA |
2078 | } |
2079 | ||
2080 | if (*port == 0) | |
2081 | *port = fio_net_port; | |
2082 | ||
2083 | return 0; | |
2084 | } | |
2085 | ||
87aa8f19 JA |
2086 | /* |
2087 | * Server arg should be one of: | |
2088 | * | |
2089 | * sock:/path/to/socket | |
2090 | * ip:1.2.3.4 | |
2091 | * 1.2.3.4 | |
2092 | * | |
2093 | * Where sock uses unix domain sockets, and ip binds the server to | |
2094 | * a specific interface. If no arguments are given to the server, it | |
2095 | * uses IP and binds to 0.0.0.0. | |
2096 | * | |
2097 | */ | |
2098 | static int fio_handle_server_arg(void) | |
2099 | { | |
6d2cf394 | 2100 | int port = fio_net_port; |
a7de0a11 | 2101 | int is_sock, ret = 0; |
bebe6398 | 2102 | |
87aa8f19 JA |
2103 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2104 | ||
2105 | if (!fio_server_arg) | |
a7de0a11 | 2106 | goto out; |
87aa8f19 | 2107 | |
4e5b8fb8 | 2108 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2109 | &port, &saddr_in.sin_addr, |
2110 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2111 | |
2112 | if (!is_sock && bind_sock) { | |
2113 | free(bind_sock); | |
2114 | bind_sock = NULL; | |
2115 | } | |
2116 | ||
a7de0a11 | 2117 | out: |
6d2cf394 JA |
2118 | fio_net_port = port; |
2119 | saddr_in.sin_port = htons(port); | |
811826be | 2120 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2121 | return ret; |
87aa8f19 JA |
2122 | } |
2123 | ||
43cdea1d JA |
2124 | static void sig_int(int sig) |
2125 | { | |
2126 | if (bind_sock) | |
2127 | unlink(bind_sock); | |
2128 | } | |
2129 | ||
2130 | static void set_sig_handlers(void) | |
2131 | { | |
2132 | struct sigaction act; | |
2133 | ||
2134 | memset(&act, 0, sizeof(act)); | |
2135 | act.sa_handler = sig_int; | |
2136 | act.sa_flags = SA_RESTART; | |
2137 | sigaction(SIGINT, &act, NULL); | |
2138 | } | |
2139 | ||
87aa8f19 JA |
2140 | static int fio_server(void) |
2141 | { | |
2142 | int sk, ret; | |
2143 | ||
9c003782 JA |
2144 | if (pthread_key_create(&sk_out_key, NULL)) { |
2145 | log_err("fio: can't create sk_out backend key\n"); | |
2146 | return -1; | |
2147 | } | |
2148 | ||
2149 | pthread_setspecific(sk_out_key, NULL); | |
2150 | ||
87aa8f19 JA |
2151 | dprint(FD_NET, "starting server\n"); |
2152 | ||
2153 | if (fio_handle_server_arg()) | |
2154 | return -1; | |
2155 | ||
2156 | sk = fio_init_server_connection(); | |
2157 | if (sk < 0) | |
2158 | return -1; | |
81179eec | 2159 | |
43cdea1d JA |
2160 | set_sig_handlers(); |
2161 | ||
ea1cd038 | 2162 | ret = accept_loop(sk); |
87aa8f19 | 2163 | |
81179eec | 2164 | close(sk); |
87aa8f19 JA |
2165 | |
2166 | if (fio_server_arg) { | |
2167 | free(fio_server_arg); | |
2168 | fio_server_arg = NULL; | |
2169 | } | |
bebe6398 JA |
2170 | if (bind_sock) |
2171 | free(bind_sock); | |
87aa8f19 | 2172 | |
81179eec JA |
2173 | return ret; |
2174 | } | |
2175 | ||
7b821684 | 2176 | void fio_server_got_signal(int signal) |
9abea48b | 2177 | { |
f77d4b73 JA |
2178 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2179 | ||
2180 | assert(sk_out); | |
2181 | ||
7b821684 | 2182 | if (signal == SIGPIPE) |
f77d4b73 | 2183 | sk_out->sk = -1; |
7b821684 JA |
2184 | else { |
2185 | log_info("\nfio: terminating on signal %d\n", signal); | |
2186 | exit_backend = 1; | |
2187 | } | |
9abea48b JA |
2188 | } |
2189 | ||
13755d94 JA |
2190 | static int check_existing_pidfile(const char *pidfile) |
2191 | { | |
2192 | struct stat sb; | |
2193 | char buf[16]; | |
2194 | pid_t pid; | |
2195 | FILE *f; | |
2196 | ||
2197 | if (stat(pidfile, &sb)) | |
2198 | return 0; | |
2199 | ||
2200 | f = fopen(pidfile, "r"); | |
2201 | if (!f) | |
2202 | return 0; | |
2203 | ||
bfc3b179 | 2204 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2205 | fclose(f); |
2206 | return 1; | |
2207 | } | |
2208 | fclose(f); | |
2209 | ||
2210 | pid = atoi(buf); | |
2211 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2212 | return errno != ESRCH; |
13755d94 JA |
2213 | |
2214 | return 1; | |
2215 | } | |
2216 | ||
2217 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2218 | { |
2219 | FILE *fpid; | |
2220 | ||
2221 | fpid = fopen(pidfile, "w"); | |
2222 | if (!fpid) { | |
2223 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2224 | return 1; |
402668f3 JA |
2225 | } |
2226 | ||
2227 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2228 | fclose(fpid); |
2229 | return 0; | |
402668f3 JA |
2230 | } |
2231 | ||
2232 | /* | |
2233 | * If pidfile is specified, background us. | |
2234 | */ | |
2235 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2236 | { |
2237 | pid_t pid; | |
402668f3 | 2238 | int ret; |
e46d8091 | 2239 | |
93bcfd20 | 2240 | #if defined(WIN32) |
905c78b9 | 2241 | WSADATA wsd; |
3c3ed070 | 2242 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2243 | #endif |
2244 | ||
402668f3 | 2245 | if (!pidfile) |
e46d8091 JA |
2246 | return fio_server(); |
2247 | ||
13755d94 JA |
2248 | if (check_existing_pidfile(pidfile)) { |
2249 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2250 | pidfile); | |
b8ba87ac | 2251 | free(pidfile); |
13755d94 JA |
2252 | return -1; |
2253 | } | |
2254 | ||
e46d8091 JA |
2255 | pid = fork(); |
2256 | if (pid < 0) { | |
13755d94 | 2257 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2258 | free(pidfile); |
c28e8e8c | 2259 | return -1; |
402668f3 | 2260 | } else if (pid) { |
8a1db9a1 | 2261 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2262 | free(pidfile); |
44c8268d | 2263 | _exit(ret); |
402668f3 | 2264 | } |
e46d8091 JA |
2265 | |
2266 | setsid(); | |
13755d94 JA |
2267 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2268 | log_syslog = 1; | |
e46d8091 JA |
2269 | close(STDIN_FILENO); |
2270 | close(STDOUT_FILENO); | |
2271 | close(STDERR_FILENO); | |
2272 | f_out = NULL; | |
2273 | f_err = NULL; | |
402668f3 JA |
2274 | |
2275 | ret = fio_server(); | |
2276 | ||
2277 | closelog(); | |
2278 | unlink(pidfile); | |
2279 | free(pidfile); | |
2280 | return ret; | |
e46d8091 | 2281 | } |
87aa8f19 | 2282 | |
bebe6398 | 2283 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2284 | { |
2285 | fio_server_arg = strdup(arg); | |
2286 | } |