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; | |
28c7bcdf | 49 | uint64_t tag; |
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); | |
c0d3245a | 154 | assert(sk_out->refs != 0); |
24660963 JA |
155 | refs = --sk_out->refs; |
156 | sk_unlock(sk_out); | |
157 | ||
bce503fc JA |
158 | if (!refs) { |
159 | sk_out_free(sk_out); | |
c0d3245a | 160 | pthread_setspecific(sk_out_key, NULL); |
bce503fc JA |
161 | return 0; |
162 | } | |
163 | } | |
164 | ||
165 | return 1; | |
166 | } | |
167 | ||
168 | void sk_out_drop(void) | |
169 | { | |
170 | struct sk_out *sk_out; | |
24660963 | 171 | |
bce503fc | 172 | sk_out = pthread_getspecific(sk_out_key); |
c0d3245a | 173 | __sk_out_drop(sk_out); |
24660963 JA |
174 | } |
175 | ||
9d2c74d7 JA |
176 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
177 | uint32_t pdu_len, uint64_t tag) | |
178 | { | |
179 | memset(cmd, 0, sizeof(*cmd)); | |
180 | ||
181 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
182 | cmd->opcode = cpu_to_le16(opcode); | |
183 | cmd->tag = cpu_to_le64(tag); | |
184 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
185 | } | |
186 | ||
187 | ||
188 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
189 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
190 | { | |
191 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
192 | ||
193 | if (pdu) | |
194 | memcpy(&cmd->payload, pdu, pdu_len); | |
195 | } | |
196 | ||
89c1707c JA |
197 | const char *fio_server_op(unsigned int op) |
198 | { | |
199 | static char buf[32]; | |
200 | ||
201 | if (op < FIO_NET_CMD_NR) | |
202 | return fio_server_ops[op]; | |
203 | ||
204 | sprintf(buf, "UNKNOWN/%d", op); | |
205 | return buf; | |
206 | } | |
207 | ||
5235f626 | 208 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 209 | { |
5235f626 | 210 | ssize_t ret = 0; |
794d69ca | 211 | |
5235f626 JA |
212 | while (count--) { |
213 | ret += iov->iov_len; | |
214 | iov++; | |
215 | } | |
216 | ||
217 | return ret; | |
218 | } | |
132159a5 | 219 | |
5235f626 JA |
220 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
221 | { | |
222 | ssize_t total_len = iov_total_len(iov, count); | |
223 | ssize_t ret; | |
224 | ||
225 | do { | |
226 | ret = writev(sk, iov, count); | |
132159a5 | 227 | if (ret > 0) { |
5235f626 JA |
228 | total_len -= ret; |
229 | if (!total_len) | |
132159a5 | 230 | break; |
5235f626 JA |
231 | |
232 | while (ret) { | |
233 | if (ret >= iov->iov_len) { | |
234 | ret -= iov->iov_len; | |
235 | iov++; | |
236 | continue; | |
237 | } | |
238 | iov->iov_base += ret; | |
239 | iov->iov_len -= ret; | |
240 | ret = 0; | |
241 | } | |
132159a5 JA |
242 | } else if (!ret) |
243 | break; | |
244 | else if (errno == EAGAIN || errno == EINTR) | |
245 | continue; | |
7b821684 JA |
246 | else |
247 | break; | |
132159a5 JA |
248 | } while (!exit_backend); |
249 | ||
5235f626 | 250 | if (!total_len) |
132159a5 JA |
251 | return 0; |
252 | ||
253 | return 1; | |
254 | } | |
255 | ||
9d2c74d7 | 256 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
257 | { |
258 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
259 | ||
260 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
261 | ||
262 | return fio_sendv_data(sk, &iov, 1); | |
263 | } | |
264 | ||
9d2c74d7 | 265 | static int fio_recv_data(int sk, void *p, unsigned int len) |
132159a5 JA |
266 | { |
267 | do { | |
268 | int ret = recv(sk, p, len, MSG_WAITALL); | |
269 | ||
270 | if (ret > 0) { | |
271 | len -= ret; | |
272 | if (!len) | |
273 | break; | |
274 | p += ret; | |
275 | continue; | |
276 | } else if (!ret) | |
277 | break; | |
278 | else if (errno == EAGAIN || errno == EINTR) | |
279 | continue; | |
7b821684 JA |
280 | else |
281 | break; | |
132159a5 JA |
282 | } while (!exit_backend); |
283 | ||
284 | if (!len) | |
285 | return 0; | |
286 | ||
287 | return -1; | |
288 | } | |
289 | ||
290 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
291 | { | |
fcee5ff6 | 292 | uint16_t crc; |
132159a5 | 293 | |
fcee5ff6 JA |
294 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
295 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 296 | |
25dfa848 | 297 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 298 | if (crc != cmd->cmd_crc16) { |
132159a5 | 299 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 300 | cmd->cmd_crc16, crc); |
132159a5 JA |
301 | return 1; |
302 | } | |
303 | ||
304 | cmd->version = le16_to_cpu(cmd->version); | |
305 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
306 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 307 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
308 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
309 | ||
310 | switch (cmd->version) { | |
fa2ea806 | 311 | case FIO_SERVER_VER: |
132159a5 JA |
312 | break; |
313 | default: | |
314 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
315 | return 1; | |
316 | } | |
317 | ||
b9d2f30a | 318 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
319 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
320 | return 1; | |
321 | } | |
322 | ||
323 | return 0; | |
324 | } | |
325 | ||
a64e88da JA |
326 | /* |
327 | * Read (and defragment, if necessary) incoming commands | |
328 | */ | |
e951bdc4 | 329 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 330 | { |
dfbf1f6f | 331 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 332 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 333 | uint16_t crc; |
a64e88da JA |
334 | int ret, first = 1; |
335 | void *pdu = NULL; | |
132159a5 | 336 | |
a64e88da JA |
337 | do { |
338 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
339 | if (ret) | |
340 | break; | |
132159a5 | 341 | |
a64e88da JA |
342 | /* We have a command, verify it and swap if need be */ |
343 | ret = verify_convert_cmd(&cmd); | |
344 | if (ret) | |
345 | break; | |
132159a5 | 346 | |
0b8f30a5 JA |
347 | if (first) { |
348 | /* if this is text, add room for \0 at the end */ | |
349 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
350 | assert(!cmdret); | |
351 | } else | |
a64e88da | 352 | cmd_size += cmd.pdu_len; |
132159a5 | 353 | |
dfbf1f6f JA |
354 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
355 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
356 | ret = 1; | |
357 | break; | |
358 | } | |
359 | ||
360 | tmp = realloc(cmdret, cmd_size); | |
361 | if (!tmp) { | |
362 | log_err("fio: server failed allocating cmd\n"); | |
363 | ret = 1; | |
364 | break; | |
365 | } | |
366 | cmdret = tmp; | |
132159a5 | 367 | |
a64e88da JA |
368 | if (first) |
369 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
370 | else if (cmdret->opcode != cmd.opcode) { |
371 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
372 | cmdret->opcode, cmd.opcode); | |
373 | ret = 1; | |
374 | break; | |
375 | } | |
a64e88da JA |
376 | |
377 | if (!cmd.pdu_len) | |
378 | break; | |
379 | ||
380 | /* There's payload, get it */ | |
381 | pdu = (void *) cmdret->payload + pdu_offset; | |
382 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
383 | if (ret) | |
384 | break; | |
385 | ||
386 | /* Verify payload crc */ | |
25dfa848 | 387 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
388 | if (crc != cmd.pdu_crc16) { |
389 | log_err("fio: server bad crc on payload "); | |
390 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
391 | ret = 1; | |
392 | break; | |
393 | } | |
394 | ||
395 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
396 | if (!first) |
397 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
398 | first = 0; |
399 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 400 | |
a64e88da JA |
401 | if (ret) { |
402 | free(cmdret); | |
403 | cmdret = NULL; | |
0b8f30a5 JA |
404 | } else if (cmdret) { |
405 | /* zero-terminate text input */ | |
084d1c6f JA |
406 | if (cmdret->pdu_len) { |
407 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
408 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
409 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 410 | |
8a1db9a1 | 411 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 412 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
413 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
414 | char *buf = (char *) __pdu->buf; | |
415 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 416 | |
46bcd498 | 417 | buf[len] = '\0'; |
084d1c6f | 418 | } |
0b8f30a5 | 419 | } |
084d1c6f | 420 | |
0b8f30a5 | 421 | /* frag flag is internal */ |
a64e88da | 422 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 423 | } |
a64e88da JA |
424 | |
425 | return cmdret; | |
132159a5 JA |
426 | } |
427 | ||
40c60516 JA |
428 | static void add_reply(uint64_t tag, struct flist_head *list) |
429 | { | |
a572bbfb | 430 | struct fio_net_cmd_reply *reply; |
40c60516 | 431 | |
a572bbfb | 432 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
433 | flist_add_tail(&reply->list, list); |
434 | } | |
435 | ||
436 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
437 | { | |
438 | struct fio_net_cmd_reply *reply; | |
439 | ||
440 | reply = calloc(1, sizeof(*reply)); | |
441 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 442 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
443 | reply->saved_tag = tag; |
444 | reply->opcode = opcode; | |
445 | ||
446 | return (uintptr_t) reply; | |
447 | } | |
448 | ||
449 | static void free_reply(uint64_t tag) | |
450 | { | |
a572bbfb | 451 | struct fio_net_cmd_reply *reply; |
40c60516 | 452 | |
a572bbfb | 453 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
454 | free(reply); |
455 | } | |
456 | ||
9d2c74d7 | 457 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
458 | { |
459 | uint32_t pdu_len; | |
460 | ||
25dfa848 | 461 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
462 | |
463 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
464 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
465 | } | |
466 | ||
9d2c74d7 | 467 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
468 | { |
469 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
470 | } |
471 | ||
af9c9fb3 | 472 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 473 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 474 | { |
7f868316 JA |
475 | struct fio_net_cmd *cmd = NULL; |
476 | size_t this_len, cur_len = 0; | |
40c60516 | 477 | uint64_t tag; |
794d69ca JA |
478 | int ret; |
479 | ||
40c60516 JA |
480 | if (list) { |
481 | assert(tagptr); | |
482 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
483 | } else | |
484 | tag = tagptr ? *tagptr : 0; | |
485 | ||
794d69ca JA |
486 | do { |
487 | this_len = size; | |
b9d2f30a JA |
488 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
489 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 490 | |
7f868316 JA |
491 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
492 | if (cmd) | |
493 | free(cmd); | |
494 | ||
495 | cur_len = sizeof(*cmd) + this_len; | |
496 | cmd = malloc(cur_len); | |
497 | } | |
794d69ca | 498 | |
af9c9fb3 | 499 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
500 | |
501 | if (this_len < size) | |
ddcc0b69 | 502 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
503 | |
504 | fio_net_cmd_crc(cmd); | |
505 | ||
506 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
507 | size -= this_len; |
508 | buf += this_len; | |
509 | } while (!ret && size); | |
510 | ||
40c60516 JA |
511 | if (list) { |
512 | if (ret) | |
513 | free_reply(tag); | |
514 | else | |
515 | add_reply(tag, list); | |
516 | } | |
517 | ||
7f868316 JA |
518 | if (cmd) |
519 | free(cmd); | |
520 | ||
794d69ca JA |
521 | return ret; |
522 | } | |
523 | ||
0cba0f91 JA |
524 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
525 | size_t size, uint64_t *tagptr, | |
526 | int flags) | |
f77d4b73 | 527 | { |
f77d4b73 JA |
528 | struct sk_entry *entry; |
529 | ||
530 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 531 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
532 | entry->opcode = opcode; |
533 | if (flags & SK_F_COPY) { | |
534 | entry->buf = smalloc(size); | |
535 | memcpy(entry->buf, buf, size); | |
536 | } else | |
537 | entry->buf = buf; | |
bead01d7 | 538 | |
f77d4b73 | 539 | entry->size = size; |
28c7bcdf JA |
540 | if (tagptr) |
541 | entry->tag = *tagptr; | |
542 | else | |
543 | entry->tag = 0; | |
f77d4b73 | 544 | entry->flags = flags; |
02594e37 JA |
545 | return entry; |
546 | } | |
547 | ||
bead01d7 JA |
548 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
549 | ||
02594e37 JA |
550 | static void fio_net_queue_entry(struct sk_entry *entry) |
551 | { | |
552 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
553 | ||
bead01d7 JA |
554 | if (entry->flags & SK_F_INLINE) |
555 | handle_sk_entry(sk_out, entry); | |
556 | else { | |
557 | sk_lock(sk_out); | |
558 | flist_add_tail(&entry->list, &sk_out->list); | |
559 | sk_unlock(sk_out); | |
f77d4b73 | 560 | |
bead01d7 JA |
561 | fio_mutex_up(&sk_out->wait); |
562 | } | |
02594e37 | 563 | } |
f77d4b73 | 564 | |
02594e37 JA |
565 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
566 | uint64_t *tagptr, int flags) | |
567 | { | |
568 | struct sk_entry *entry; | |
569 | ||
570 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
571 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
572 | return 0; |
573 | } | |
574 | ||
89c1707c | 575 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 576 | { |
178cde9f | 577 | struct fio_net_cmd cmd; |
132159a5 | 578 | |
af9c9fb3 | 579 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
580 | fio_net_cmd_crc(&cmd); |
581 | ||
582 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
583 | } | |
584 | ||
89c1707c JA |
585 | /* |
586 | * If 'list' is non-NULL, then allocate and store the sent command for | |
587 | * later verification. | |
588 | */ | |
589 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
590 | struct flist_head *list) | |
591 | { | |
89c1707c JA |
592 | int ret; |
593 | ||
40c60516 JA |
594 | if (list) |
595 | tag = alloc_reply(tag, opcode); | |
89c1707c | 596 | |
40c60516 | 597 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 598 | if (ret) { |
40c60516 JA |
599 | if (list) |
600 | free_reply(tag); | |
601 | ||
89c1707c JA |
602 | return ret; |
603 | } | |
604 | ||
40c60516 JA |
605 | if (list) |
606 | add_reply(tag, list); | |
607 | ||
89c1707c JA |
608 | return 0; |
609 | } | |
610 | ||
f77d4b73 JA |
611 | static int fio_net_queue_quit(void) |
612 | { | |
613 | dprint(FD_NET, "server: sending quit\n"); | |
614 | ||
615 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
616 | } | |
617 | ||
122c7725 | 618 | int fio_net_send_quit(int sk) |
437377e1 | 619 | { |
46c48f1f | 620 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 621 | |
8c95307b | 622 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
623 | } |
624 | ||
f77d4b73 | 625 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 626 | { |
11e950bd | 627 | struct cmd_end_pdu epdu; |
f58bd2a4 | 628 | uint64_t tag = 0; |
122c7725 | 629 | |
f58bd2a4 JA |
630 | if (cmd) |
631 | tag = cmd->tag; | |
122c7725 JA |
632 | |
633 | epdu.error = __cpu_to_le32(error); | |
634 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 635 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
636 | } |
637 | ||
f77d4b73 | 638 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
639 | { |
640 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 641 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
642 | } |
643 | ||
644 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
645 | { | |
646 | struct fio_fork_item *ffi; | |
647 | ||
648 | ffi = malloc(sizeof(*ffi)); | |
649 | ffi->exitval = 0; | |
650 | ffi->signal = 0; | |
651 | ffi->exited = 0; | |
652 | ffi->pid = pid; | |
653 | flist_add_tail(&ffi->list, list); | |
654 | } | |
655 | ||
6348b5de | 656 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 657 | { |
a7533dbd | 658 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 659 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
660 | } |
661 | ||
6348b5de | 662 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 663 | { |
a7533dbd | 664 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 665 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
666 | } |
667 | ||
668 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
669 | { | |
670 | int ret, status; | |
671 | ||
672 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
673 | if (ret < 0) { | |
674 | if (errno == ECHILD) { | |
a7533dbd | 675 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
676 | ffi->exited = 1; |
677 | } else | |
678 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
679 | } else if (ret == ffi->pid) { | |
680 | if (WIFSIGNALED(status)) { | |
681 | ffi->signal = WTERMSIG(status); | |
682 | ffi->exited = 1; | |
683 | } | |
684 | if (WIFEXITED(status)) { | |
685 | if (WEXITSTATUS(status)) | |
686 | ffi->exitval = WEXITSTATUS(status); | |
687 | ffi->exited = 1; | |
688 | } | |
689 | } | |
690 | } | |
691 | ||
f77d4b73 | 692 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 693 | { |
a7533dbd | 694 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
695 | |
696 | /* | |
697 | * Fold STOP and QUIT... | |
698 | */ | |
f77d4b73 JA |
699 | if (stop) { |
700 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
701 | fio_net_queue_quit(); | |
702 | } | |
703 | ||
122c7725 JA |
704 | flist_del(&ffi->list); |
705 | free(ffi); | |
706 | } | |
707 | ||
f77d4b73 | 708 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
709 | { |
710 | struct flist_head *entry, *tmp; | |
711 | struct fio_fork_item *ffi; | |
712 | ||
713 | flist_for_each_safe(entry, tmp, list) { | |
714 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
715 | ||
716 | fio_server_check_fork_item(ffi); | |
717 | ||
718 | if (ffi->exited) | |
f77d4b73 | 719 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
720 | } |
721 | } | |
722 | ||
6348b5de | 723 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 724 | { |
f77d4b73 | 725 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
726 | } |
727 | ||
6348b5de | 728 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 729 | { |
f77d4b73 | 730 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
731 | } |
732 | ||
323255cc JA |
733 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
734 | { | |
735 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
736 | void *file_name = pdu->file; | |
737 | struct cmd_start_pdu spdu; | |
738 | ||
739 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
740 | ||
741 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
742 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
743 | ||
744 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 745 | fio_net_queue_quit(); |
323255cc JA |
746 | return -1; |
747 | } | |
748 | ||
749 | spdu.jobs = cpu_to_le32(thread_number); | |
750 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 751 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
752 | return 0; |
753 | } | |
754 | ||
f77d4b73 JA |
755 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
756 | struct fio_net_cmd *cmd) | |
122c7725 JA |
757 | { |
758 | pid_t pid; | |
a64e88da | 759 | int ret; |
132159a5 | 760 | |
c0d3245a JA |
761 | sk_out_assign(sk_out); |
762 | ||
cbb1303c | 763 | fio_time_init(); |
122c7725 | 764 | set_genesis_time(); |
11e950bd | 765 | |
122c7725 JA |
766 | pid = fork(); |
767 | if (pid) { | |
6348b5de | 768 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
769 | return 0; |
770 | } | |
11e950bd | 771 | |
24660963 | 772 | ret = fio_backend(sk_out); |
2bb3f0a7 | 773 | free_threads_shm(); |
c0d3245a | 774 | sk_out_drop(); |
122c7725 | 775 | _exit(ret); |
81179eec JA |
776 | } |
777 | ||
b9d2f30a JA |
778 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
779 | { | |
46bcd498 JA |
780 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
781 | void *buf = pdu->buf; | |
b9d2f30a JA |
782 | struct cmd_start_pdu spdu; |
783 | ||
46bcd498 JA |
784 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
785 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
786 | ||
787 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 788 | fio_net_queue_quit(); |
b9d2f30a JA |
789 | return -1; |
790 | } | |
791 | ||
792 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 793 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
794 | |
795 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
796 | return 0; |
797 | } | |
798 | ||
81179eec JA |
799 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
800 | { | |
fa2ea806 JA |
801 | void *pdu = cmd->payload; |
802 | struct cmd_single_line_pdu *cslp; | |
803 | struct cmd_line_pdu *clp; | |
804 | unsigned long offset; | |
b9d2f30a | 805 | struct cmd_start_pdu spdu; |
fa2ea806 | 806 | char **argv; |
b9d2f30a | 807 | int i; |
81179eec | 808 | |
fa2ea806 JA |
809 | clp = pdu; |
810 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 811 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
812 | argv = malloc(clp->lines * sizeof(char *)); |
813 | offset = sizeof(*clp); | |
81179eec | 814 | |
fa2ea806 | 815 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 816 | |
fa2ea806 JA |
817 | for (i = 0; i < clp->lines; i++) { |
818 | cslp = pdu + offset; | |
819 | argv[i] = (char *) cslp->text; | |
820 | ||
821 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
822 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
823 | } | |
81179eec | 824 | |
46bcd498 | 825 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 826 | fio_net_queue_quit(); |
fa2ea806 | 827 | free(argv); |
81179eec | 828 | return -1; |
e6d1c668 | 829 | } |
81179eec | 830 | |
fa2ea806 JA |
831 | free(argv); |
832 | ||
b9d2f30a | 833 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 834 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
835 | |
836 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 837 | return 0; |
132159a5 JA |
838 | } |
839 | ||
c28e8e8c JA |
840 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
841 | { | |
3989b143 JA |
842 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
843 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 844 | uint64_t tag = cmd->tag; |
c28e8e8c | 845 | |
89c1707c JA |
846 | dprint(FD_NET, "server: sending probe reply\n"); |
847 | ||
ca09be4b JA |
848 | strcpy(me, (char *) pdu->server); |
849 | ||
c28e8e8c JA |
850 | memset(&probe, 0, sizeof(probe)); |
851 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 852 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
853 | probe.bigendian = 1; |
854 | #endif | |
750db473 | 855 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 856 | |
cca84643 JA |
857 | probe.os = FIO_OS; |
858 | probe.arch = FIO_ARCH; | |
38fdef22 | 859 | probe.bpp = sizeof(void *); |
d31e26d0 | 860 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
861 | |
862 | /* | |
863 | * If the client supports compression and we do too, then enable it | |
864 | */ | |
865 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
866 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
867 | use_zlib = 1; | |
868 | } else { | |
869 | probe.flags = 0; | |
870 | use_zlib = 0; | |
871 | } | |
38fdef22 | 872 | |
f77d4b73 | 873 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
874 | } |
875 | ||
876 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
877 | { | |
878 | struct jobs_eta *je; | |
40c60516 | 879 | uint64_t tag = cmd->tag; |
723297c9 | 880 | size_t size; |
af9c9fb3 JA |
881 | int i; |
882 | ||
e123c833 JA |
883 | dprint(FD_NET, "server sending status\n"); |
884 | ||
885 | /* | |
886 | * Fake ETA return if we don't have a local one, otherwise the client | |
887 | * will end up timing out waiting for a response to the ETA request | |
888 | */ | |
c5103619 | 889 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
890 | if (!je) { |
891 | size = sizeof(*je); | |
892 | je = calloc(1, size); | |
893 | } else { | |
e123c833 JA |
894 | je->nr_running = cpu_to_le32(je->nr_running); |
895 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
896 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
897 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
898 | je->files_open = cpu_to_le32(je->files_open); | |
899 | ||
900 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
901 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
902 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
903 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
904 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
905 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
906 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
907 | } | |
af9c9fb3 | 908 | |
e123c833 JA |
909 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
910 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
911 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
912 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
913 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
914 | } |
915 | ||
f77d4b73 | 916 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 917 | return 0; |
c28e8e8c JA |
918 | } |
919 | ||
f77d4b73 | 920 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
921 | { |
922 | uint64_t tag = __tag; | |
923 | uint32_t pdu_error; | |
924 | ||
925 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 926 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
927 | } |
928 | ||
f58bd2a4 JA |
929 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
930 | { | |
931 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
932 | struct thread_data *td; | |
933 | uint32_t tnumber; | |
934 | ||
935 | tnumber = le32_to_cpu(pdu->thread_number); | |
936 | ||
937 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
938 | ||
30ffacbf | 939 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 940 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
941 | return 0; |
942 | } | |
943 | ||
30ffacbf | 944 | td = &threads[tnumber - 1]; |
f58bd2a4 | 945 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 946 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
947 | return 0; |
948 | } | |
949 | ||
ca09be4b JA |
950 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
951 | { | |
952 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
953 | char *buf = (char *) pdu->cmd; | |
954 | struct all_io_list *rep; | |
955 | size_t sz; | |
956 | ||
957 | pdu->len = le16_to_cpu(pdu->len); | |
958 | buf[pdu->len] = '\0'; | |
959 | ||
960 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
961 | if (!rep) { | |
962 | struct all_io_list state; | |
963 | ||
964 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
965 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
966 | } else | |
967 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
968 | |
969 | exec_trigger(buf); | |
970 | return 0; | |
971 | } | |
972 | ||
f77d4b73 JA |
973 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
974 | struct fio_net_cmd *cmd) | |
132159a5 JA |
975 | { |
976 | int ret; | |
977 | ||
4b91ee8f JA |
978 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
979 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
980 | (unsigned long long) cmd->tag); | |
46c48f1f | 981 | |
132159a5 JA |
982 | switch (cmd->opcode) { |
983 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 984 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
985 | ret = 0; |
986 | break; | |
d7959186 | 987 | case FIO_NET_CMD_EXIT: |
132159a5 | 988 | exit_backend = 1; |
c28e8e8c | 989 | return -1; |
323255cc JA |
990 | case FIO_NET_CMD_LOAD_FILE: |
991 | ret = handle_load_file_cmd(cmd); | |
992 | break; | |
132159a5 | 993 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 994 | ret = handle_job_cmd(cmd); |
132159a5 | 995 | break; |
81179eec JA |
996 | case FIO_NET_CMD_JOBLINE: |
997 | ret = handle_jobline_cmd(cmd); | |
998 | break; | |
c28e8e8c JA |
999 | case FIO_NET_CMD_PROBE: |
1000 | ret = handle_probe_cmd(cmd); | |
1001 | break; | |
af9c9fb3 JA |
1002 | case FIO_NET_CMD_SEND_ETA: |
1003 | ret = handle_send_eta_cmd(cmd); | |
1004 | break; | |
b9d2f30a | 1005 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1006 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1007 | break; |
f58bd2a4 JA |
1008 | case FIO_NET_CMD_UPDATE_JOB: |
1009 | ret = handle_update_job_cmd(cmd); | |
1010 | break; | |
ca09be4b JA |
1011 | case FIO_NET_CMD_VTRIGGER: |
1012 | ret = handle_trigger_cmd(cmd); | |
1013 | break; | |
1014 | case FIO_NET_CMD_SENDFILE: { | |
1015 | struct cmd_sendfile_reply *in; | |
1016 | struct cmd_reply *rep; | |
1017 | ||
1018 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1019 | ||
1020 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1021 | in->size = le32_to_cpu(in->size); | |
1022 | in->error = le32_to_cpu(in->error); | |
1023 | if (in->error) { | |
1024 | ret = 1; | |
1025 | rep->error = in->error; | |
1026 | } else { | |
1027 | ret = 0; | |
1028 | rep->data = smalloc(in->size); | |
1029 | if (!rep->data) { | |
1030 | ret = 1; | |
1031 | rep->error = ENOMEM; | |
1032 | } else { | |
1033 | rep->size = in->size; | |
1034 | memcpy(rep->data, in->data, in->size); | |
1035 | } | |
1036 | } | |
1037 | fio_mutex_up(&rep->lock); | |
1038 | break; | |
1039 | } | |
132159a5 | 1040 | default: |
3c3ed070 | 1041 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1042 | ret = 1; |
1043 | } | |
1044 | ||
1045 | return ret; | |
1046 | } | |
1047 | ||
02594e37 JA |
1048 | /* |
1049 | * Send a command with a separate PDU, not inlined in the command | |
1050 | */ | |
1051 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1052 | off_t size, uint64_t tag, uint32_t flags) | |
1053 | { | |
1054 | struct fio_net_cmd cmd; | |
1055 | struct iovec iov[2]; | |
1056 | ||
1057 | iov[0].iov_base = (void *) &cmd; | |
1058 | iov[0].iov_len = sizeof(cmd); | |
1059 | iov[1].iov_base = (void *) buf; | |
1060 | iov[1].iov_len = size; | |
1061 | ||
1062 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1063 | cmd.flags = __cpu_to_le32(flags); | |
1064 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1065 | ||
1066 | return fio_sendv_data(sk, iov, 2); | |
1067 | } | |
1068 | ||
1069 | static void finish_entry(struct sk_entry *entry) | |
1070 | { | |
1071 | if (entry->flags & SK_F_FREE) | |
1072 | free(entry->buf); | |
1073 | else if (entry->flags & SK_F_COPY) | |
1074 | sfree(entry->buf); | |
1075 | ||
1076 | sfree(entry); | |
1077 | } | |
1078 | ||
ba1891d2 JA |
1079 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1080 | unsigned int *flags) | |
02594e37 | 1081 | { |
b3882320 JA |
1082 | if (!flist_empty(list)) |
1083 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1084 | else |
b3882320 | 1085 | *flags = 0; |
b3882320 | 1086 | } |
02594e37 | 1087 | |
b3882320 JA |
1088 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1089 | { | |
1090 | unsigned int flags; | |
b3882320 JA |
1091 | int ret; |
1092 | ||
ba1891d2 | 1093 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1094 | |
ba1891d2 JA |
1095 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1096 | first->size, first->tag, flags); | |
02594e37 JA |
1097 | |
1098 | while (!flist_empty(&first->next)) { | |
1099 | struct sk_entry *next; | |
1100 | ||
1101 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1102 | flist_del_init(&next->list); | |
02594e37 | 1103 | |
ba1891d2 | 1104 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1105 | |
ba1891d2 JA |
1106 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1107 | next->size, next->tag, flags); | |
02594e37 JA |
1108 | finish_entry(next); |
1109 | } | |
b3882320 JA |
1110 | |
1111 | return ret; | |
02594e37 JA |
1112 | } |
1113 | ||
b3882320 | 1114 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1115 | { |
b3882320 JA |
1116 | int ret; |
1117 | ||
bead01d7 JA |
1118 | fio_mutex_down(&sk_out->xmit); |
1119 | ||
02594e37 | 1120 | if (entry->flags & SK_F_VEC) |
b3882320 | 1121 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1122 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1123 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1124 | entry->tag, NULL); | |
dfc8e76c JA |
1125 | } else { |
1126 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1127 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1128 | } |
b3882320 | 1129 | |
bead01d7 JA |
1130 | fio_mutex_up(&sk_out->xmit); |
1131 | ||
b3882320 JA |
1132 | if (ret) |
1133 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1134 | |
02594e37 | 1135 | finish_entry(entry); |
b3882320 | 1136 | return ret; |
f77d4b73 JA |
1137 | } |
1138 | ||
b3882320 | 1139 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1140 | { |
1141 | struct sk_entry *entry; | |
1142 | FLIST_HEAD(list); | |
b3882320 | 1143 | int ret = 0; |
f77d4b73 JA |
1144 | |
1145 | sk_lock(sk_out); | |
1146 | if (flist_empty(&sk_out->list)) { | |
1147 | sk_unlock(sk_out); | |
b3882320 | 1148 | return 0; |
f77d4b73 JA |
1149 | } |
1150 | ||
1151 | flist_splice_init(&sk_out->list, &list); | |
1152 | sk_unlock(sk_out); | |
1153 | ||
1154 | while (!flist_empty(&list)) { | |
1155 | entry = flist_entry(list.next, struct sk_entry, list); | |
1156 | flist_del(&entry->list); | |
b3882320 | 1157 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1158 | } |
b3882320 JA |
1159 | |
1160 | return ret; | |
f77d4b73 JA |
1161 | } |
1162 | ||
1163 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1164 | { |
1165 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1166 | FLIST_HEAD(job_list); |
132159a5 JA |
1167 | int ret = 0; |
1168 | ||
122c7725 | 1169 | reset_fio_state(); |
122c7725 | 1170 | |
132159a5 JA |
1171 | /* read forever */ |
1172 | while (!exit_backend) { | |
e951bdc4 | 1173 | struct pollfd pfd = { |
f77d4b73 | 1174 | .fd = sk_out->sk, |
e951bdc4 JA |
1175 | .events = POLLIN, |
1176 | }; | |
1177 | ||
1178 | ret = 0; | |
1179 | do { | |
54163255 JA |
1180 | int timeout = 1000; |
1181 | ||
1182 | if (!flist_empty(&job_list)) | |
1183 | timeout = 100; | |
3c3ed070 | 1184 | |
f77d4b73 JA |
1185 | handle_xmits(sk_out); |
1186 | ||
1187 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1188 | if (ret < 0) { |
1189 | if (errno == EINTR) | |
1190 | break; | |
1191 | log_err("fio: poll: %s\n", strerror(errno)); | |
1192 | break; | |
19c65179 | 1193 | } else if (!ret) { |
6348b5de | 1194 | fio_server_check_jobs(&job_list); |
bead01d7 | 1195 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1196 | continue; |
19c65179 | 1197 | } |
e951bdc4 JA |
1198 | |
1199 | if (pfd.revents & POLLIN) | |
1200 | break; | |
1201 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1202 | ret = 1; | |
1203 | break; | |
1204 | } | |
19c65179 | 1205 | } while (!exit_backend); |
e951bdc4 | 1206 | |
6348b5de | 1207 | fio_server_check_jobs(&job_list); |
122c7725 | 1208 | |
e951bdc4 JA |
1209 | if (ret < 0) |
1210 | break; | |
1211 | ||
f77d4b73 | 1212 | cmd = fio_net_recv_cmd(sk_out->sk); |
132159a5 | 1213 | if (!cmd) { |
c28e8e8c | 1214 | ret = -1; |
132159a5 JA |
1215 | break; |
1216 | } | |
1217 | ||
f77d4b73 | 1218 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1219 | if (ret) |
1220 | break; | |
1221 | ||
1222 | free(cmd); | |
c77a99e7 | 1223 | cmd = NULL; |
132159a5 JA |
1224 | } |
1225 | ||
1226 | if (cmd) | |
1227 | free(cmd); | |
1228 | ||
f77d4b73 JA |
1229 | handle_xmits(sk_out); |
1230 | ||
1231 | close(sk_out->sk); | |
0ae6acea | 1232 | sk_out->sk = -1; |
bce503fc | 1233 | __sk_out_drop(sk_out); |
122c7725 | 1234 | _exit(ret); |
cc0df00a JA |
1235 | } |
1236 | ||
296ab20a BE |
1237 | /* get the address on this host bound by the input socket, |
1238 | * whether it is ipv6 or ipv4 */ | |
1239 | ||
9d2c74d7 | 1240 | static int get_my_addr_str(int sk) |
296ab20a | 1241 | { |
f77d4b73 JA |
1242 | struct sockaddr_in6 myaddr6 = { 0, }; |
1243 | struct sockaddr_in myaddr4 = { 0, }; | |
1244 | struct sockaddr *sockaddr_p; | |
1245 | char *net_addr; | |
1246 | socklen_t len; | |
1247 | int ret; | |
296ab20a | 1248 | |
f77d4b73 JA |
1249 | if (use_ipv6) { |
1250 | len = sizeof(myaddr6); | |
296ab20a | 1251 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1252 | net_addr = (char * )&myaddr6.sin6_addr; |
1253 | } else { | |
1254 | len = sizeof(myaddr4); | |
296ab20a | 1255 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1256 | net_addr = (char * )&myaddr4.sin_addr; |
1257 | } | |
1258 | ||
296ab20a BE |
1259 | ret = getsockname(sk, sockaddr_p, &len); |
1260 | if (ret) { | |
1261 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1262 | return -1; |
1263 | } | |
f77d4b73 JA |
1264 | |
1265 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1266 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1267 | return -1; |
1268 | } | |
f77d4b73 | 1269 | |
296ab20a BE |
1270 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1271 | return 0; | |
1272 | } | |
1273 | ||
ea1cd038 | 1274 | static int accept_loop(int listen_sk) |
50d16976 | 1275 | { |
bb447a27 | 1276 | struct sockaddr_in addr; |
479471c4 JA |
1277 | struct sockaddr_in6 addr6; |
1278 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1279 | struct pollfd pfd; |
4a851614 | 1280 | int ret = 0, sk, exitval = 0; |
6348b5de | 1281 | FLIST_HEAD(conn_list); |
50d16976 | 1282 | |
60efd14e JA |
1283 | dprint(FD_NET, "server enter accept loop\n"); |
1284 | ||
4a851614 | 1285 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1286 | |
122c7725 | 1287 | while (!exit_backend) { |
ea1cd038 | 1288 | struct sk_out *sk_out; |
479471c4 JA |
1289 | const char *from; |
1290 | char buf[64]; | |
122c7725 | 1291 | pid_t pid; |
009b1be4 | 1292 | |
122c7725 JA |
1293 | pfd.fd = listen_sk; |
1294 | pfd.events = POLLIN; | |
1295 | do { | |
54163255 JA |
1296 | int timeout = 1000; |
1297 | ||
1298 | if (!flist_empty(&conn_list)) | |
1299 | timeout = 100; | |
1300 | ||
1301 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1302 | if (ret < 0) { |
1303 | if (errno == EINTR) | |
1304 | break; | |
1305 | log_err("fio: poll: %s\n", strerror(errno)); | |
1306 | break; | |
1307 | } else if (!ret) { | |
6348b5de | 1308 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1309 | continue; |
1310 | } | |
009b1be4 | 1311 | |
122c7725 JA |
1312 | if (pfd.revents & POLLIN) |
1313 | break; | |
1314 | } while (!exit_backend); | |
50d16976 | 1315 | |
6348b5de | 1316 | fio_server_check_conns(&conn_list); |
46c48f1f | 1317 | |
122c7725 JA |
1318 | if (exit_backend || ret < 0) |
1319 | break; | |
1320 | ||
479471c4 JA |
1321 | if (use_ipv6) |
1322 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1323 | else | |
1324 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1325 | ||
122c7725 JA |
1326 | if (sk < 0) { |
1327 | log_err("fio: accept: %s\n", strerror(errno)); | |
1328 | return -1; | |
1329 | } | |
37db14fe | 1330 | |
479471c4 JA |
1331 | if (use_ipv6) |
1332 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1333 | else | |
1334 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1335 | ||
1336 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1337 | |
bce503fc | 1338 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1339 | sk_out->sk = sk; |
bce503fc | 1340 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1341 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1342 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1343 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1344 | |
122c7725 JA |
1345 | pid = fork(); |
1346 | if (pid) { | |
1347 | close(sk); | |
6348b5de | 1348 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1349 | continue; |
1350 | } | |
5c341e9a | 1351 | |
0ae6acea JA |
1352 | /* if error, it's already logged, non-fatal */ |
1353 | get_my_addr_str(sk); | |
1354 | ||
1355 | /* | |
1356 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1357 | * since that function calls _exit() when done | |
1358 | */ | |
bce503fc | 1359 | sk_out_assign(sk_out); |
f77d4b73 | 1360 | handle_connection(sk_out); |
122c7725 | 1361 | } |
5c341e9a | 1362 | |
132159a5 | 1363 | return exitval; |
50d16976 JA |
1364 | } |
1365 | ||
084d1c6f | 1366 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1367 | { |
f77d4b73 | 1368 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1369 | struct cmd_text_pdu *pdu; |
1370 | unsigned int tlen; | |
1371 | struct timeval tv; | |
1372 | ||
f77d4b73 | 1373 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1374 | return -1; |
084d1c6f JA |
1375 | |
1376 | tlen = sizeof(*pdu) + len; | |
1377 | pdu = malloc(tlen); | |
1378 | ||
1379 | pdu->level = __cpu_to_le32(level); | |
1380 | pdu->buf_len = __cpu_to_le32(len); | |
1381 | ||
1382 | gettimeofday(&tv, NULL); | |
1383 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1384 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1385 | |
084d1c6f JA |
1386 | memcpy(pdu->buf, buf, len); |
1387 | ||
f77d4b73 | 1388 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1389 | free(pdu); |
1390 | return len; | |
142575e6 JA |
1391 | } |
1392 | ||
a64e88da JA |
1393 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1394 | { | |
1395 | dst->max_val = cpu_to_le64(src->max_val); | |
1396 | dst->min_val = cpu_to_le64(src->min_val); | |
1397 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1398 | |
1399 | /* | |
1400 | * Encode to IEEE 754 for network transfer | |
1401 | */ | |
e5c9093d JA |
1402 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1403 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1404 | } |
1405 | ||
1406 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1407 | { | |
1408 | int i; | |
1409 | ||
298921d6 | 1410 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1411 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1412 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1413 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1414 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1415 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1416 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1417 | } | |
1418 | ||
1419 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1420 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1421 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1422 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1423 | } |
1424 | ||
1425 | /* | |
1426 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1427 | * into a single payload. | |
1428 | */ | |
1429 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1430 | { | |
1431 | struct cmd_ts_pdu p; | |
1432 | int i, j; | |
1433 | ||
60efd14e JA |
1434 | dprint(FD_NET, "server sending end stats\n"); |
1435 | ||
317b3c8b JA |
1436 | memset(&p, 0, sizeof(p)); |
1437 | ||
4e59d0f3 JA |
1438 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1439 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1440 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1441 | |
2f122b13 JA |
1442 | p.ts.error = cpu_to_le32(ts->error); |
1443 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1444 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1445 | p.ts.pid = cpu_to_le32(ts->pid); | |
1446 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1447 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1448 | |
298921d6 | 1449 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1450 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1451 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1452 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1453 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1454 | } | |
1455 | ||
1456 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1457 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1458 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1459 | p.ts.minf = cpu_to_le64(ts->minf); | |
1460 | p.ts.majf = cpu_to_le64(ts->majf); | |
1461 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1462 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1463 | |
1464 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1465 | fio_fp64_t *src = &ts->percentile_list[i]; |
1466 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1467 | |
e5c9093d | 1468 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1469 | } |
a64e88da JA |
1470 | |
1471 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1472 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1473 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1474 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1475 | } | |
1476 | ||
1477 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1478 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1479 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1480 | } | |
1481 | ||
298921d6 | 1482 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1483 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1484 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1485 | ||
78799deb | 1486 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1487 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1488 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1489 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1490 | } |
1491 | ||
93eee04a | 1492 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1493 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1494 | ||
298921d6 | 1495 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1496 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1497 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1498 | } | |
1499 | ||
1500 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1501 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1502 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1503 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1504 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1505 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1506 | |
3e260a46 JA |
1507 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1508 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1509 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1510 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1511 | |
66347cfa DE |
1512 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1513 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1514 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1515 | ||
a64e88da JA |
1516 | convert_gs(&p.rs, rs); |
1517 | ||
f77d4b73 | 1518 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1519 | } |
1520 | ||
1521 | void fio_server_send_gs(struct group_run_stats *rs) | |
1522 | { | |
1523 | struct group_run_stats gs; | |
1524 | ||
60efd14e JA |
1525 | dprint(FD_NET, "server sending group run stats\n"); |
1526 | ||
a64e88da | 1527 | convert_gs(&gs, rs); |
f77d4b73 | 1528 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1529 | } |
1530 | ||
0279b880 JA |
1531 | void fio_server_send_job_options(struct flist_head *opt_list, |
1532 | unsigned int groupid) | |
1533 | { | |
1534 | struct cmd_job_option pdu; | |
1535 | struct flist_head *entry; | |
1536 | ||
1537 | if (flist_empty(opt_list)) | |
1538 | return; | |
1539 | ||
1540 | flist_for_each(entry, opt_list) { | |
1541 | struct print_option *p; | |
bc0fec0e | 1542 | size_t len; |
0279b880 JA |
1543 | |
1544 | p = flist_entry(entry, struct print_option, list); | |
1545 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1546 | |
0279b880 JA |
1547 | if (groupid == -1U) { |
1548 | pdu.global = __cpu_to_le16(1); | |
1549 | pdu.groupid = 0; | |
1550 | } else { | |
1551 | pdu.global = 0; | |
bc0fec0e JA |
1552 | pdu.groupid = cpu_to_le32(groupid); |
1553 | } | |
1554 | len = strlen(p->name); | |
1555 | if (len >= sizeof(pdu.name)) { | |
1556 | len = sizeof(pdu.name) - 1; | |
1557 | pdu.truncated = __cpu_to_le16(1); | |
1558 | } | |
1559 | memcpy(pdu.name, p->name, len); | |
1560 | if (p->value) { | |
1561 | len = strlen(p->value); | |
1562 | if (len >= sizeof(pdu.value)) { | |
1563 | len = sizeof(pdu.value) - 1; | |
1564 | pdu.truncated = __cpu_to_le16(1); | |
1565 | } | |
1566 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1567 | } |
0279b880 JA |
1568 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1569 | } | |
1570 | } | |
1571 | ||
d09a64a0 JA |
1572 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1573 | { | |
1574 | int i; | |
1575 | ||
1576 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1577 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1578 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1579 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1580 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1581 | } |
1582 | ||
504bc961 JA |
1583 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1584 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1585 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1586 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1587 | } |
1588 | ||
1589 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1590 | { | |
1591 | int i; | |
1592 | ||
59140421 JA |
1593 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1594 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1595 | |
1596 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1597 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1598 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1599 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1600 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1601 | } |
1602 | ||
504bc961 JA |
1603 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1604 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1605 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1606 | } |
1607 | ||
1608 | void fio_server_send_du(void) | |
1609 | { | |
1610 | struct disk_util *du; | |
1611 | struct flist_head *entry; | |
1612 | struct cmd_du_pdu pdu; | |
1613 | ||
1614 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1615 | ||
0766d92e JA |
1616 | memset(&pdu, 0, sizeof(pdu)); |
1617 | ||
d09a64a0 JA |
1618 | flist_for_each(entry, &disk_list) { |
1619 | du = flist_entry(entry, struct disk_util, list); | |
1620 | ||
1621 | convert_dus(&pdu.dus, &du->dus); | |
1622 | convert_agg(&pdu.agg, &du->agg); | |
1623 | ||
f77d4b73 | 1624 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1625 | } |
1626 | } | |
1627 | ||
dfc8e76c | 1628 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1629 | { |
3989b143 JA |
1630 | int ret = 0; |
1631 | #ifdef CONFIG_ZLIB | |
02594e37 | 1632 | struct sk_entry *entry; |
1b42725f JA |
1633 | z_stream stream; |
1634 | void *out_pdu; | |
1b42725f JA |
1635 | |
1636 | /* | |
1637 | * Dirty - since the log is potentially huge, compress it into | |
1638 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1639 | * side defragment it. | |
1640 | */ | |
1641 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1642 | ||
1643 | stream.zalloc = Z_NULL; | |
1644 | stream.zfree = Z_NULL; | |
1645 | stream.opaque = Z_NULL; | |
1646 | ||
1647 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1648 | ret = 1; |
1649 | goto err; | |
1b42725f JA |
1650 | } |
1651 | ||
f5ed765a | 1652 | stream.next_in = (void *) log->log; |
ae588852 | 1653 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1654 | |
1655 | do { | |
02594e37 | 1656 | unsigned int this_len; |
1b42725f JA |
1657 | |
1658 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1659 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1660 | ret = deflate(&stream, Z_FINISH); |
1661 | /* may be Z_OK, or Z_STREAM_END */ | |
1662 | if (ret < 0) | |
1663 | goto err_zlib; | |
1b42725f JA |
1664 | |
1665 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1666 | ||
02594e37 | 1667 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
bead01d7 JA |
1668 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1669 | out_pdu = NULL; | |
02594e37 | 1670 | flist_add_tail(&entry->list, &first->next); |
1b42725f JA |
1671 | } while (stream.avail_in); |
1672 | ||
53bd8dbc | 1673 | err_zlib: |
1b42725f | 1674 | deflateEnd(&stream); |
53bd8dbc JA |
1675 | err: |
1676 | free(out_pdu); | |
3989b143 | 1677 | #endif |
53bd8dbc | 1678 | return ret; |
1b42725f JA |
1679 | } |
1680 | ||
dfc8e76c | 1681 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1682 | { |
1683 | struct sk_entry *entry; | |
1684 | struct flist_head *node; | |
1685 | ||
1686 | pthread_mutex_lock(&log->chunk_lock); | |
1687 | flist_for_each(node, &log->chunk_list) { | |
1688 | struct iolog_compress *c; | |
1689 | ||
1690 | c = flist_entry(node, struct iolog_compress, list); | |
1691 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1692 | NULL, SK_F_VEC | SK_F_INLINE); | |
1693 | flist_add_tail(&entry->list, &first->next); | |
1694 | } | |
1695 | pthread_mutex_unlock(&log->chunk_lock); | |
1696 | ||
1697 | return 0; | |
1698 | } | |
1699 | ||
dfc8e76c JA |
1700 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1701 | { | |
1702 | struct sk_entry *entry; | |
1703 | size_t size = log->nr_samples * log_entry_sz(log); | |
1704 | ||
1705 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, size, | |
1706 | NULL, SK_F_VEC | SK_F_INLINE); | |
1707 | flist_add_tail(&entry->list, &first->next); | |
1708 | return 0; | |
1709 | } | |
1710 | ||
3989b143 JA |
1711 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1712 | { | |
1713 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1714 | struct sk_entry *first; |
3989b143 JA |
1715 | int i, ret = 0; |
1716 | ||
ae588852 | 1717 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1718 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1719 | pdu.log_type = cpu_to_le32(log->log_type); |
0cba0f91 JA |
1720 | |
1721 | if (!flist_empty(&log->chunk_list)) | |
1722 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1723 | else if (use_zlib) | |
1724 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1725 | else | |
1726 | pdu.compressed = 0; | |
9bdb9265 JA |
1727 | |
1728 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1729 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1730 | |
0cba0f91 JA |
1731 | /* |
1732 | * We can't do this for a pre-compressed log, but for that case, | |
1733 | * log->nr_samples is zero anyway. | |
1734 | */ | |
3989b143 | 1735 | for (i = 0; i < log->nr_samples; i++) { |
ae588852 | 1736 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1737 | |
b26317c9 JA |
1738 | s->time = cpu_to_le64(s->time); |
1739 | s->val = cpu_to_le64(s->val); | |
1740 | s->__ddir = cpu_to_le32(s->__ddir); | |
1741 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1742 | |
1743 | if (log->log_offset) { | |
1744 | struct io_sample_offset *so = (void *) s; | |
1745 | ||
1746 | so->offset = cpu_to_le64(so->offset); | |
1747 | } | |
3989b143 JA |
1748 | } |
1749 | ||
1750 | /* | |
02594e37 | 1751 | * Assemble header entry first |
3989b143 | 1752 | */ |
bead01d7 | 1753 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1754 | |
1755 | /* | |
dfc8e76c JA |
1756 | * Now append actual log entries. If log compression was enabled on |
1757 | * the job, just send out the compressed chunks directly. If we | |
1758 | * have a plain log, compress if we can, then send. Otherwise, send | |
1759 | * the plain text output. | |
3989b143 | 1760 | */ |
0cba0f91 | 1761 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1762 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1763 | else if (use_zlib) |
dfc8e76c JA |
1764 | ret = fio_append_iolog_gz(first, log); |
1765 | else | |
1766 | ret = fio_append_text_log(first, log); | |
3989b143 | 1767 | |
bead01d7 | 1768 | fio_net_queue_entry(first); |
f77d4b73 | 1769 | return ret; |
3989b143 JA |
1770 | } |
1771 | ||
2f122b13 | 1772 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1773 | { |
1774 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1775 | |
731e30a2 | 1776 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1777 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1778 | pdu.groupid = cpu_to_le32(td->groupid); | |
1779 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1780 | |
dfc8e76c JA |
1781 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
1782 | SK_F_COPY); | |
807f9971 JA |
1783 | } |
1784 | ||
122c7725 JA |
1785 | void fio_server_send_start(struct thread_data *td) |
1786 | { | |
f77d4b73 JA |
1787 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1788 | ||
1789 | assert(sk_out->sk != -1); | |
122c7725 | 1790 | |
f77d4b73 | 1791 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1792 | } |
1793 | ||
ca09be4b | 1794 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1795 | void **datap, int *version) |
ca09be4b JA |
1796 | { |
1797 | struct thread_io_list *s; | |
1798 | struct cmd_sendfile out; | |
1799 | struct cmd_reply *rep; | |
1800 | uint64_t tag; | |
1801 | void *data; | |
c0d3245a | 1802 | int ret; |
ca09be4b JA |
1803 | |
1804 | dprint(FD_NET, "server: request verify state\n"); | |
1805 | ||
1806 | rep = smalloc(sizeof(*rep)); | |
1807 | if (!rep) { | |
1808 | log_err("fio: smalloc pool too small\n"); | |
c0d3245a | 1809 | return ENOMEM; |
ca09be4b JA |
1810 | } |
1811 | ||
1812 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1813 | rep->data = NULL; | |
1814 | rep->error = 0; | |
1815 | ||
e499aedc JA |
1816 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1817 | threadnumber); | |
ca09be4b | 1818 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
1819 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
1820 | SK_F_COPY); | |
ca09be4b JA |
1821 | |
1822 | /* | |
1823 | * Wait for the backend to receive the reply | |
1824 | */ | |
09400a60 | 1825 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 1826 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 1827 | ret = ETIMEDOUT; |
ca09be4b JA |
1828 | goto fail; |
1829 | } | |
1830 | ||
1831 | if (rep->error) { | |
415c3133 JA |
1832 | log_err("fio: failure on receiving state file %s: %s\n", |
1833 | out.path, strerror(rep->error)); | |
c0d3245a | 1834 | ret = rep->error; |
ca09be4b JA |
1835 | fail: |
1836 | *datap = NULL; | |
1837 | sfree(rep); | |
f77d4b73 | 1838 | fio_net_queue_quit(); |
c0d3245a | 1839 | return ret; |
ca09be4b JA |
1840 | } |
1841 | ||
1842 | /* | |
1843 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1844 | * the header, and the thread_io_list checksum | |
1845 | */ | |
1846 | s = rep->data + sizeof(struct verify_state_hdr); | |
c0d3245a JA |
1847 | if (verify_state_hdr(rep->data, s, version)) { |
1848 | ret = EILSEQ; | |
ca09be4b | 1849 | goto fail; |
c0d3245a | 1850 | } |
ca09be4b JA |
1851 | |
1852 | /* | |
1853 | * Don't need the header from now, copy just the thread_io_list | |
1854 | */ | |
c0d3245a | 1855 | ret = 0; |
ca09be4b JA |
1856 | rep->size -= sizeof(struct verify_state_hdr); |
1857 | data = malloc(rep->size); | |
1858 | memcpy(data, s, rep->size); | |
1859 | *datap = data; | |
1860 | ||
1861 | sfree(rep->data); | |
f5a42524 | 1862 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 1863 | sfree(rep); |
c0d3245a | 1864 | return ret; |
ca09be4b JA |
1865 | } |
1866 | ||
87aa8f19 | 1867 | static int fio_init_server_ip(void) |
81179eec | 1868 | { |
811826be | 1869 | struct sockaddr *addr; |
67bf9823 | 1870 | socklen_t socklen; |
17e3531a JA |
1871 | char buf[80]; |
1872 | const char *str; | |
87aa8f19 | 1873 | int sk, opt; |
81179eec | 1874 | |
811826be JA |
1875 | if (use_ipv6) |
1876 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1877 | else | |
1878 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1879 | ||
81179eec JA |
1880 | if (sk < 0) { |
1881 | log_err("fio: socket: %s\n", strerror(errno)); | |
1882 | return -1; | |
1883 | } | |
1884 | ||
1885 | opt = 1; | |
1f81991e | 1886 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1887 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1888 | close(sk); |
81179eec JA |
1889 | return -1; |
1890 | } | |
1891 | #ifdef SO_REUSEPORT | |
6eb24791 | 1892 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1893 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1894 | close(sk); |
81179eec JA |
1895 | return -1; |
1896 | } | |
1897 | #endif | |
1898 | ||
811826be | 1899 | if (use_ipv6) { |
17e3531a JA |
1900 | const void *src = &saddr_in6.sin6_addr; |
1901 | ||
811826be JA |
1902 | addr = (struct sockaddr *) &saddr_in6; |
1903 | socklen = sizeof(saddr_in6); | |
1904 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1905 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1906 | } else { |
17e3531a JA |
1907 | const void *src = &saddr_in.sin_addr; |
1908 | ||
811826be JA |
1909 | addr = (struct sockaddr *) &saddr_in; |
1910 | socklen = sizeof(saddr_in); | |
1911 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1912 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1913 | } |
81179eec | 1914 | |
811826be | 1915 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1916 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1917 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1918 | close(sk); |
81179eec JA |
1919 | return -1; |
1920 | } | |
1921 | ||
87aa8f19 JA |
1922 | return sk; |
1923 | } | |
1924 | ||
1925 | static int fio_init_server_sock(void) | |
1926 | { | |
1927 | struct sockaddr_un addr; | |
67bf9823 | 1928 | socklen_t len; |
87aa8f19 JA |
1929 | mode_t mode; |
1930 | int sk; | |
1931 | ||
1932 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1933 | if (sk < 0) { | |
1934 | log_err("fio: socket: %s\n", strerror(errno)); | |
1935 | return -1; | |
1936 | } | |
1937 | ||
1938 | mode = umask(000); | |
1939 | ||
1940 | memset(&addr, 0, sizeof(addr)); | |
1941 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1942 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1943 | |
1944 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1945 | ||
1946 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1947 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1948 | close(sk); |
87aa8f19 JA |
1949 | return -1; |
1950 | } | |
1951 | ||
1952 | umask(mode); | |
1953 | return sk; | |
1954 | } | |
1955 | ||
1956 | static int fio_init_server_connection(void) | |
1957 | { | |
bebe6398 | 1958 | char bind_str[128]; |
87aa8f19 JA |
1959 | int sk; |
1960 | ||
1961 | dprint(FD_NET, "starting server\n"); | |
1962 | ||
1963 | if (!bind_sock) | |
1964 | sk = fio_init_server_ip(); | |
1965 | else | |
1966 | sk = fio_init_server_sock(); | |
1967 | ||
1968 | if (sk < 0) | |
1969 | return sk; | |
1970 | ||
afdcad23 JA |
1971 | memset(bind_str, 0, sizeof(bind_str)); |
1972 | ||
811826be JA |
1973 | if (!bind_sock) { |
1974 | char *p, port[16]; | |
1975 | const void *src; | |
1976 | int af; | |
1977 | ||
1978 | if (use_ipv6) { | |
1979 | af = AF_INET6; | |
1980 | src = &saddr_in6.sin6_addr; | |
1981 | } else { | |
1982 | af = AF_INET; | |
1983 | src = &saddr_in.sin_addr; | |
1984 | } | |
1985 | ||
1986 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1987 | ||
1988 | sprintf(port, ",%u", fio_net_port); | |
1989 | if (p) | |
1990 | strcat(p, port); | |
1991 | else | |
afdcad23 | 1992 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1993 | } else |
afdcad23 | 1994 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1995 | |
1996 | log_info("fio: server listening on %s\n", bind_str); | |
1997 | ||
1e1507df | 1998 | if (listen(sk, 4) < 0) { |
81179eec | 1999 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2000 | close(sk); |
81179eec JA |
2001 | return -1; |
2002 | } | |
2003 | ||
87aa8f19 JA |
2004 | return sk; |
2005 | } | |
2006 | ||
3aa3ceeb | 2007 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2008 | struct in6_addr *inp6) |
2009 | ||
2010 | { | |
2011 | int ret = 0; | |
2012 | ||
3aa3ceeb | 2013 | if (ipv6) |
3ec62ec4 JA |
2014 | ret = inet_pton(AF_INET6, host, inp6); |
2015 | else | |
2016 | ret = inet_pton(AF_INET, host, inp); | |
2017 | ||
2018 | if (ret != 1) { | |
479471c4 JA |
2019 | struct addrinfo hints, *res; |
2020 | ||
2021 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2022 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2023 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2024 | |
479471c4 JA |
2025 | ret = getaddrinfo(host, NULL, &hints, &res); |
2026 | if (ret) { | |
2027 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2028 | gai_strerror(ret)); | |
3caf43e3 | 2029 | return 1; |
3ec62ec4 JA |
2030 | } |
2031 | ||
3aa3ceeb | 2032 | if (ipv6) |
479471c4 JA |
2033 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2034 | else | |
2035 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2036 | ||
3ec62ec4 | 2037 | ret = 1; |
479471c4 | 2038 | freeaddrinfo(res); |
3ec62ec4 JA |
2039 | } |
2040 | ||
2041 | return !(ret == 1); | |
2042 | } | |
2043 | ||
660a2bfb JA |
2044 | /* |
2045 | * Parse a host/ip/port string. Reads from 'str'. | |
2046 | * | |
2047 | * Outputs: | |
2048 | * | |
2049 | * For IPv4: | |
2050 | * *ptr is the host, *port is the port, inp is the destination. | |
2051 | * For IPv6: | |
2052 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2053 | * For local domain sockets: | |
2054 | * *ptr is the filename, *is_sock is 1. | |
2055 | */ | |
bebe6398 | 2056 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2057 | int *port, struct in_addr *inp, |
2058 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2059 | { |
76867621 JA |
2060 | const char *host = str; |
2061 | char *portp; | |
3ec62ec4 | 2062 | int lport = 0; |
76867621 | 2063 | |
bebe6398 JA |
2064 | *ptr = NULL; |
2065 | *is_sock = 0; | |
6d2cf394 | 2066 | *port = fio_net_port; |
811826be | 2067 | *ipv6 = 0; |
bebe6398 JA |
2068 | |
2069 | if (!strncmp(str, "sock:", 5)) { | |
2070 | *ptr = strdup(str + 5); | |
2071 | *is_sock = 1; | |
76867621 JA |
2072 | |
2073 | return 0; | |
2074 | } | |
2075 | ||
2076 | /* | |
2077 | * Is it ip:<ip or host>:port | |
2078 | */ | |
2079 | if (!strncmp(host, "ip:", 3)) | |
2080 | host += 3; | |
2081 | else if (!strncmp(host, "ip4:", 4)) | |
2082 | host += 4; | |
2083 | else if (!strncmp(host, "ip6:", 4)) { | |
2084 | host += 4; | |
2085 | *ipv6 = 1; | |
2086 | } else if (host[0] == ':') { | |
2087 | /* String is :port */ | |
2088 | host++; | |
2089 | lport = atoi(host); | |
2090 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2091 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2092 | return 1; |
2093 | } | |
2094 | /* no hostname given, we are done */ | |
2095 | *port = lport; | |
2096 | return 0; | |
2097 | } | |
2098 | ||
2099 | /* | |
b96b90c3 | 2100 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2101 | */ |
2102 | if (!lport) { | |
2103 | portp = strchr(host, ','); | |
2104 | if (portp) { | |
2105 | *portp = '\0'; | |
2106 | portp++; | |
2107 | lport = atoi(portp); | |
bebe6398 | 2108 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2109 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2110 | return 1; |
2111 | } | |
bebe6398 | 2112 | } |
76867621 | 2113 | } |
bebe6398 | 2114 | |
76867621 JA |
2115 | if (lport) |
2116 | *port = lport; | |
bebe6398 | 2117 | |
76867621 JA |
2118 | if (!strlen(host)) |
2119 | return 0; | |
bebe6398 | 2120 | |
76867621 | 2121 | *ptr = strdup(host); |
811826be | 2122 | |
3aa3ceeb | 2123 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2124 | free(*ptr); |
2125 | *ptr = NULL; | |
2126 | return 1; | |
bebe6398 JA |
2127 | } |
2128 | ||
2129 | if (*port == 0) | |
2130 | *port = fio_net_port; | |
2131 | ||
2132 | return 0; | |
2133 | } | |
2134 | ||
87aa8f19 JA |
2135 | /* |
2136 | * Server arg should be one of: | |
2137 | * | |
2138 | * sock:/path/to/socket | |
2139 | * ip:1.2.3.4 | |
2140 | * 1.2.3.4 | |
2141 | * | |
2142 | * Where sock uses unix domain sockets, and ip binds the server to | |
2143 | * a specific interface. If no arguments are given to the server, it | |
2144 | * uses IP and binds to 0.0.0.0. | |
2145 | * | |
2146 | */ | |
2147 | static int fio_handle_server_arg(void) | |
2148 | { | |
6d2cf394 | 2149 | int port = fio_net_port; |
a7de0a11 | 2150 | int is_sock, ret = 0; |
bebe6398 | 2151 | |
87aa8f19 JA |
2152 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2153 | ||
2154 | if (!fio_server_arg) | |
a7de0a11 | 2155 | goto out; |
87aa8f19 | 2156 | |
4e5b8fb8 | 2157 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2158 | &port, &saddr_in.sin_addr, |
2159 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2160 | |
2161 | if (!is_sock && bind_sock) { | |
2162 | free(bind_sock); | |
2163 | bind_sock = NULL; | |
2164 | } | |
2165 | ||
a7de0a11 | 2166 | out: |
6d2cf394 JA |
2167 | fio_net_port = port; |
2168 | saddr_in.sin_port = htons(port); | |
811826be | 2169 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2170 | return ret; |
87aa8f19 JA |
2171 | } |
2172 | ||
43cdea1d JA |
2173 | static void sig_int(int sig) |
2174 | { | |
2175 | if (bind_sock) | |
2176 | unlink(bind_sock); | |
2177 | } | |
2178 | ||
2179 | static void set_sig_handlers(void) | |
2180 | { | |
2181 | struct sigaction act; | |
2182 | ||
2183 | memset(&act, 0, sizeof(act)); | |
2184 | act.sa_handler = sig_int; | |
2185 | act.sa_flags = SA_RESTART; | |
2186 | sigaction(SIGINT, &act, NULL); | |
2187 | } | |
2188 | ||
87aa8f19 JA |
2189 | static int fio_server(void) |
2190 | { | |
2191 | int sk, ret; | |
2192 | ||
9c003782 JA |
2193 | if (pthread_key_create(&sk_out_key, NULL)) { |
2194 | log_err("fio: can't create sk_out backend key\n"); | |
2195 | return -1; | |
2196 | } | |
2197 | ||
2198 | pthread_setspecific(sk_out_key, NULL); | |
2199 | ||
87aa8f19 JA |
2200 | dprint(FD_NET, "starting server\n"); |
2201 | ||
2202 | if (fio_handle_server_arg()) | |
2203 | return -1; | |
2204 | ||
2205 | sk = fio_init_server_connection(); | |
2206 | if (sk < 0) | |
2207 | return -1; | |
81179eec | 2208 | |
43cdea1d JA |
2209 | set_sig_handlers(); |
2210 | ||
ea1cd038 | 2211 | ret = accept_loop(sk); |
87aa8f19 | 2212 | |
81179eec | 2213 | close(sk); |
87aa8f19 JA |
2214 | |
2215 | if (fio_server_arg) { | |
2216 | free(fio_server_arg); | |
2217 | fio_server_arg = NULL; | |
2218 | } | |
bebe6398 JA |
2219 | if (bind_sock) |
2220 | free(bind_sock); | |
87aa8f19 | 2221 | |
81179eec JA |
2222 | return ret; |
2223 | } | |
2224 | ||
7b821684 | 2225 | void fio_server_got_signal(int signal) |
9abea48b | 2226 | { |
f77d4b73 JA |
2227 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2228 | ||
2229 | assert(sk_out); | |
2230 | ||
7b821684 | 2231 | if (signal == SIGPIPE) |
f77d4b73 | 2232 | sk_out->sk = -1; |
7b821684 JA |
2233 | else { |
2234 | log_info("\nfio: terminating on signal %d\n", signal); | |
2235 | exit_backend = 1; | |
2236 | } | |
9abea48b JA |
2237 | } |
2238 | ||
13755d94 JA |
2239 | static int check_existing_pidfile(const char *pidfile) |
2240 | { | |
2241 | struct stat sb; | |
2242 | char buf[16]; | |
2243 | pid_t pid; | |
2244 | FILE *f; | |
2245 | ||
2246 | if (stat(pidfile, &sb)) | |
2247 | return 0; | |
2248 | ||
2249 | f = fopen(pidfile, "r"); | |
2250 | if (!f) | |
2251 | return 0; | |
2252 | ||
bfc3b179 | 2253 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2254 | fclose(f); |
2255 | return 1; | |
2256 | } | |
2257 | fclose(f); | |
2258 | ||
2259 | pid = atoi(buf); | |
2260 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2261 | return errno != ESRCH; |
13755d94 JA |
2262 | |
2263 | return 1; | |
2264 | } | |
2265 | ||
2266 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2267 | { |
2268 | FILE *fpid; | |
2269 | ||
2270 | fpid = fopen(pidfile, "w"); | |
2271 | if (!fpid) { | |
2272 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2273 | return 1; |
402668f3 JA |
2274 | } |
2275 | ||
2276 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2277 | fclose(fpid); |
2278 | return 0; | |
402668f3 JA |
2279 | } |
2280 | ||
2281 | /* | |
2282 | * If pidfile is specified, background us. | |
2283 | */ | |
2284 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2285 | { |
2286 | pid_t pid; | |
402668f3 | 2287 | int ret; |
e46d8091 | 2288 | |
93bcfd20 | 2289 | #if defined(WIN32) |
905c78b9 | 2290 | WSADATA wsd; |
3c3ed070 | 2291 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2292 | #endif |
2293 | ||
402668f3 | 2294 | if (!pidfile) |
e46d8091 JA |
2295 | return fio_server(); |
2296 | ||
13755d94 JA |
2297 | if (check_existing_pidfile(pidfile)) { |
2298 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2299 | pidfile); | |
b8ba87ac | 2300 | free(pidfile); |
13755d94 JA |
2301 | return -1; |
2302 | } | |
2303 | ||
e46d8091 JA |
2304 | pid = fork(); |
2305 | if (pid < 0) { | |
13755d94 | 2306 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2307 | free(pidfile); |
c28e8e8c | 2308 | return -1; |
402668f3 | 2309 | } else if (pid) { |
8a1db9a1 | 2310 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2311 | free(pidfile); |
44c8268d | 2312 | _exit(ret); |
402668f3 | 2313 | } |
e46d8091 JA |
2314 | |
2315 | setsid(); | |
13755d94 JA |
2316 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2317 | log_syslog = 1; | |
e46d8091 JA |
2318 | close(STDIN_FILENO); |
2319 | close(STDOUT_FILENO); | |
2320 | close(STDERR_FILENO); | |
2321 | f_out = NULL; | |
2322 | f_err = NULL; | |
402668f3 JA |
2323 | |
2324 | ret = fio_server(); | |
2325 | ||
2326 | closelog(); | |
2327 | unlink(pidfile); | |
2328 | free(pidfile); | |
2329 | return ret; | |
e46d8091 | 2330 | } |
87aa8f19 | 2331 | |
bebe6398 | 2332 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2333 | { |
2334 | fio_server_arg = strdup(arg); | |
2335 | } |