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 | ||
54e62ad4 | 265 | static int fio_recv_data(int sk, void *p, unsigned int len, bool wait) |
132159a5 | 266 | { |
54e62ad4 JA |
267 | int flags; |
268 | ||
269 | if (wait) | |
270 | flags = MSG_WAITALL; | |
271 | else | |
bf67f422 | 272 | flags = OS_MSG_DONTWAIT; |
54e62ad4 | 273 | |
132159a5 | 274 | do { |
54e62ad4 | 275 | int ret = recv(sk, p, len, flags); |
132159a5 JA |
276 | |
277 | if (ret > 0) { | |
278 | len -= ret; | |
279 | if (!len) | |
280 | break; | |
281 | p += ret; | |
282 | continue; | |
283 | } else if (!ret) | |
284 | break; | |
54e62ad4 JA |
285 | else if (errno == EAGAIN || errno == EINTR) { |
286 | if (wait) | |
287 | continue; | |
288 | break; | |
289 | } else | |
7b821684 | 290 | break; |
132159a5 JA |
291 | } while (!exit_backend); |
292 | ||
293 | if (!len) | |
294 | return 0; | |
295 | ||
296 | return -1; | |
297 | } | |
298 | ||
299 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
300 | { | |
fcee5ff6 | 301 | uint16_t crc; |
132159a5 | 302 | |
fcee5ff6 JA |
303 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
304 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 305 | |
25dfa848 | 306 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 307 | if (crc != cmd->cmd_crc16) { |
132159a5 | 308 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 309 | cmd->cmd_crc16, crc); |
132159a5 JA |
310 | return 1; |
311 | } | |
312 | ||
313 | cmd->version = le16_to_cpu(cmd->version); | |
314 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
315 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 316 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
317 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
318 | ||
319 | switch (cmd->version) { | |
fa2ea806 | 320 | case FIO_SERVER_VER: |
132159a5 JA |
321 | break; |
322 | default: | |
323 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
324 | return 1; | |
325 | } | |
326 | ||
7c922795 JA |
327 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
328 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
329 | return 1; | |
330 | } | |
331 | ||
132159a5 JA |
332 | return 0; |
333 | } | |
334 | ||
a64e88da JA |
335 | /* |
336 | * Read (and defragment, if necessary) incoming commands | |
337 | */ | |
54e62ad4 | 338 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 339 | { |
dfbf1f6f | 340 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 341 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 342 | uint16_t crc; |
a64e88da JA |
343 | int ret, first = 1; |
344 | void *pdu = NULL; | |
132159a5 | 345 | |
a64e88da | 346 | do { |
54e62ad4 | 347 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
348 | if (ret) |
349 | break; | |
132159a5 | 350 | |
a64e88da JA |
351 | /* We have a command, verify it and swap if need be */ |
352 | ret = verify_convert_cmd(&cmd); | |
353 | if (ret) | |
354 | break; | |
132159a5 | 355 | |
0b8f30a5 JA |
356 | if (first) { |
357 | /* if this is text, add room for \0 at the end */ | |
358 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
359 | assert(!cmdret); | |
360 | } else | |
a64e88da | 361 | cmd_size += cmd.pdu_len; |
132159a5 | 362 | |
dfbf1f6f JA |
363 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
364 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
365 | ret = 1; | |
366 | break; | |
367 | } | |
368 | ||
369 | tmp = realloc(cmdret, cmd_size); | |
370 | if (!tmp) { | |
371 | log_err("fio: server failed allocating cmd\n"); | |
372 | ret = 1; | |
373 | break; | |
374 | } | |
375 | cmdret = tmp; | |
132159a5 | 376 | |
a64e88da JA |
377 | if (first) |
378 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
379 | else if (cmdret->opcode != cmd.opcode) { |
380 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
381 | cmdret->opcode, cmd.opcode); | |
382 | ret = 1; | |
383 | break; | |
384 | } | |
a64e88da JA |
385 | |
386 | if (!cmd.pdu_len) | |
387 | break; | |
388 | ||
389 | /* There's payload, get it */ | |
390 | pdu = (void *) cmdret->payload + pdu_offset; | |
54e62ad4 | 391 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
392 | if (ret) |
393 | break; | |
394 | ||
395 | /* Verify payload crc */ | |
25dfa848 | 396 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
397 | if (crc != cmd.pdu_crc16) { |
398 | log_err("fio: server bad crc on payload "); | |
399 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
400 | ret = 1; | |
401 | break; | |
402 | } | |
403 | ||
404 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
405 | if (!first) |
406 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
407 | first = 0; |
408 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 409 | |
a64e88da JA |
410 | if (ret) { |
411 | free(cmdret); | |
412 | cmdret = NULL; | |
0b8f30a5 JA |
413 | } else if (cmdret) { |
414 | /* zero-terminate text input */ | |
084d1c6f JA |
415 | if (cmdret->pdu_len) { |
416 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
417 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
418 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 419 | |
8a1db9a1 | 420 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 421 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
422 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
423 | char *buf = (char *) __pdu->buf; | |
424 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 425 | |
46bcd498 | 426 | buf[len] = '\0'; |
084d1c6f | 427 | } |
0b8f30a5 | 428 | } |
084d1c6f | 429 | |
0b8f30a5 | 430 | /* frag flag is internal */ |
a64e88da | 431 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 432 | } |
a64e88da JA |
433 | |
434 | return cmdret; | |
132159a5 JA |
435 | } |
436 | ||
40c60516 JA |
437 | static void add_reply(uint64_t tag, struct flist_head *list) |
438 | { | |
a572bbfb | 439 | struct fio_net_cmd_reply *reply; |
40c60516 | 440 | |
a572bbfb | 441 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
442 | flist_add_tail(&reply->list, list); |
443 | } | |
444 | ||
445 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
446 | { | |
447 | struct fio_net_cmd_reply *reply; | |
448 | ||
449 | reply = calloc(1, sizeof(*reply)); | |
450 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 451 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
452 | reply->saved_tag = tag; |
453 | reply->opcode = opcode; | |
454 | ||
455 | return (uintptr_t) reply; | |
456 | } | |
457 | ||
458 | static void free_reply(uint64_t tag) | |
459 | { | |
a572bbfb | 460 | struct fio_net_cmd_reply *reply; |
40c60516 | 461 | |
a572bbfb | 462 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
463 | free(reply); |
464 | } | |
465 | ||
9d2c74d7 | 466 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
467 | { |
468 | uint32_t pdu_len; | |
469 | ||
25dfa848 | 470 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
471 | |
472 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
473 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
474 | } | |
475 | ||
9d2c74d7 | 476 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
477 | { |
478 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
479 | } |
480 | ||
af9c9fb3 | 481 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 482 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 483 | { |
7f868316 JA |
484 | struct fio_net_cmd *cmd = NULL; |
485 | size_t this_len, cur_len = 0; | |
40c60516 | 486 | uint64_t tag; |
794d69ca JA |
487 | int ret; |
488 | ||
40c60516 JA |
489 | if (list) { |
490 | assert(tagptr); | |
491 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
492 | } else | |
493 | tag = tagptr ? *tagptr : 0; | |
494 | ||
794d69ca JA |
495 | do { |
496 | this_len = size; | |
b9d2f30a JA |
497 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
498 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 499 | |
7f868316 JA |
500 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
501 | if (cmd) | |
502 | free(cmd); | |
503 | ||
504 | cur_len = sizeof(*cmd) + this_len; | |
505 | cmd = malloc(cur_len); | |
506 | } | |
794d69ca | 507 | |
af9c9fb3 | 508 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
509 | |
510 | if (this_len < size) | |
ddcc0b69 | 511 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
512 | |
513 | fio_net_cmd_crc(cmd); | |
514 | ||
515 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
516 | size -= this_len; |
517 | buf += this_len; | |
518 | } while (!ret && size); | |
519 | ||
40c60516 JA |
520 | if (list) { |
521 | if (ret) | |
522 | free_reply(tag); | |
523 | else | |
524 | add_reply(tag, list); | |
525 | } | |
526 | ||
7f868316 JA |
527 | if (cmd) |
528 | free(cmd); | |
529 | ||
794d69ca JA |
530 | return ret; |
531 | } | |
532 | ||
0cba0f91 JA |
533 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
534 | size_t size, uint64_t *tagptr, | |
535 | int flags) | |
f77d4b73 | 536 | { |
f77d4b73 JA |
537 | struct sk_entry *entry; |
538 | ||
539 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 540 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
541 | entry->opcode = opcode; |
542 | if (flags & SK_F_COPY) { | |
543 | entry->buf = smalloc(size); | |
544 | memcpy(entry->buf, buf, size); | |
545 | } else | |
546 | entry->buf = buf; | |
bead01d7 | 547 | |
f77d4b73 | 548 | entry->size = size; |
28c7bcdf JA |
549 | if (tagptr) |
550 | entry->tag = *tagptr; | |
551 | else | |
552 | entry->tag = 0; | |
f77d4b73 | 553 | entry->flags = flags; |
02594e37 JA |
554 | return entry; |
555 | } | |
556 | ||
bead01d7 JA |
557 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
558 | ||
02594e37 JA |
559 | static void fio_net_queue_entry(struct sk_entry *entry) |
560 | { | |
561 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
562 | ||
bead01d7 JA |
563 | if (entry->flags & SK_F_INLINE) |
564 | handle_sk_entry(sk_out, entry); | |
565 | else { | |
566 | sk_lock(sk_out); | |
567 | flist_add_tail(&entry->list, &sk_out->list); | |
568 | sk_unlock(sk_out); | |
f77d4b73 | 569 | |
bead01d7 JA |
570 | fio_mutex_up(&sk_out->wait); |
571 | } | |
02594e37 | 572 | } |
f77d4b73 | 573 | |
02594e37 JA |
574 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
575 | uint64_t *tagptr, int flags) | |
576 | { | |
577 | struct sk_entry *entry; | |
578 | ||
579 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
580 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
581 | return 0; |
582 | } | |
583 | ||
89c1707c | 584 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 585 | { |
178cde9f | 586 | struct fio_net_cmd cmd; |
132159a5 | 587 | |
af9c9fb3 | 588 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
589 | fio_net_cmd_crc(&cmd); |
590 | ||
591 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
592 | } | |
593 | ||
89c1707c JA |
594 | /* |
595 | * If 'list' is non-NULL, then allocate and store the sent command for | |
596 | * later verification. | |
597 | */ | |
598 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
599 | struct flist_head *list) | |
600 | { | |
89c1707c JA |
601 | int ret; |
602 | ||
40c60516 JA |
603 | if (list) |
604 | tag = alloc_reply(tag, opcode); | |
89c1707c | 605 | |
40c60516 | 606 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 607 | if (ret) { |
40c60516 JA |
608 | if (list) |
609 | free_reply(tag); | |
610 | ||
89c1707c JA |
611 | return ret; |
612 | } | |
613 | ||
40c60516 JA |
614 | if (list) |
615 | add_reply(tag, list); | |
616 | ||
89c1707c JA |
617 | return 0; |
618 | } | |
619 | ||
f77d4b73 JA |
620 | static int fio_net_queue_quit(void) |
621 | { | |
622 | dprint(FD_NET, "server: sending quit\n"); | |
623 | ||
624 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
625 | } | |
626 | ||
122c7725 | 627 | int fio_net_send_quit(int sk) |
437377e1 | 628 | { |
46c48f1f | 629 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 630 | |
8c95307b | 631 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
632 | } |
633 | ||
f77d4b73 | 634 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 635 | { |
11e950bd | 636 | struct cmd_end_pdu epdu; |
f58bd2a4 | 637 | uint64_t tag = 0; |
122c7725 | 638 | |
f58bd2a4 JA |
639 | if (cmd) |
640 | tag = cmd->tag; | |
122c7725 JA |
641 | |
642 | epdu.error = __cpu_to_le32(error); | |
643 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 644 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
645 | } |
646 | ||
f77d4b73 | 647 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
648 | { |
649 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 650 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
651 | } |
652 | ||
653 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
654 | { | |
655 | struct fio_fork_item *ffi; | |
656 | ||
657 | ffi = malloc(sizeof(*ffi)); | |
658 | ffi->exitval = 0; | |
659 | ffi->signal = 0; | |
660 | ffi->exited = 0; | |
661 | ffi->pid = pid; | |
662 | flist_add_tail(&ffi->list, list); | |
663 | } | |
664 | ||
6348b5de | 665 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 666 | { |
a7533dbd | 667 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 668 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
669 | } |
670 | ||
6348b5de | 671 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 672 | { |
a7533dbd | 673 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 674 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
675 | } |
676 | ||
677 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
678 | { | |
679 | int ret, status; | |
680 | ||
681 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
682 | if (ret < 0) { | |
683 | if (errno == ECHILD) { | |
a7533dbd | 684 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
685 | ffi->exited = 1; |
686 | } else | |
687 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
688 | } else if (ret == ffi->pid) { | |
689 | if (WIFSIGNALED(status)) { | |
690 | ffi->signal = WTERMSIG(status); | |
691 | ffi->exited = 1; | |
692 | } | |
693 | if (WIFEXITED(status)) { | |
694 | if (WEXITSTATUS(status)) | |
695 | ffi->exitval = WEXITSTATUS(status); | |
696 | ffi->exited = 1; | |
697 | } | |
698 | } | |
699 | } | |
700 | ||
f77d4b73 | 701 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 702 | { |
a7533dbd | 703 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
704 | |
705 | /* | |
706 | * Fold STOP and QUIT... | |
707 | */ | |
f77d4b73 JA |
708 | if (stop) { |
709 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
710 | fio_net_queue_quit(); | |
711 | } | |
712 | ||
122c7725 JA |
713 | flist_del(&ffi->list); |
714 | free(ffi); | |
715 | } | |
716 | ||
f77d4b73 | 717 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
718 | { |
719 | struct flist_head *entry, *tmp; | |
720 | struct fio_fork_item *ffi; | |
721 | ||
722 | flist_for_each_safe(entry, tmp, list) { | |
723 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
724 | ||
725 | fio_server_check_fork_item(ffi); | |
726 | ||
727 | if (ffi->exited) | |
f77d4b73 | 728 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
729 | } |
730 | } | |
731 | ||
6348b5de | 732 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 733 | { |
f77d4b73 | 734 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
735 | } |
736 | ||
6348b5de | 737 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 738 | { |
f77d4b73 | 739 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
740 | } |
741 | ||
323255cc JA |
742 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
743 | { | |
744 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
745 | void *file_name = pdu->file; | |
746 | struct cmd_start_pdu spdu; | |
747 | ||
748 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
749 | ||
750 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
751 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
752 | ||
753 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 754 | fio_net_queue_quit(); |
323255cc JA |
755 | return -1; |
756 | } | |
757 | ||
758 | spdu.jobs = cpu_to_le32(thread_number); | |
759 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 760 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
761 | return 0; |
762 | } | |
763 | ||
f77d4b73 JA |
764 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
765 | struct fio_net_cmd *cmd) | |
122c7725 JA |
766 | { |
767 | pid_t pid; | |
a64e88da | 768 | int ret; |
132159a5 | 769 | |
c0d3245a JA |
770 | sk_out_assign(sk_out); |
771 | ||
cbb1303c | 772 | fio_time_init(); |
122c7725 | 773 | set_genesis_time(); |
11e950bd | 774 | |
122c7725 JA |
775 | pid = fork(); |
776 | if (pid) { | |
6348b5de | 777 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
778 | return 0; |
779 | } | |
11e950bd | 780 | |
24660963 | 781 | ret = fio_backend(sk_out); |
2bb3f0a7 | 782 | free_threads_shm(); |
c0d3245a | 783 | sk_out_drop(); |
122c7725 | 784 | _exit(ret); |
81179eec JA |
785 | } |
786 | ||
b9d2f30a JA |
787 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
788 | { | |
46bcd498 JA |
789 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
790 | void *buf = pdu->buf; | |
b9d2f30a JA |
791 | struct cmd_start_pdu spdu; |
792 | ||
46bcd498 JA |
793 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
794 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
795 | ||
796 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 797 | fio_net_queue_quit(); |
b9d2f30a JA |
798 | return -1; |
799 | } | |
800 | ||
801 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 802 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
803 | |
804 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
805 | return 0; |
806 | } | |
807 | ||
81179eec JA |
808 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
809 | { | |
fa2ea806 JA |
810 | void *pdu = cmd->payload; |
811 | struct cmd_single_line_pdu *cslp; | |
812 | struct cmd_line_pdu *clp; | |
813 | unsigned long offset; | |
b9d2f30a | 814 | struct cmd_start_pdu spdu; |
fa2ea806 | 815 | char **argv; |
b9d2f30a | 816 | int i; |
81179eec | 817 | |
fa2ea806 JA |
818 | clp = pdu; |
819 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 820 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
821 | argv = malloc(clp->lines * sizeof(char *)); |
822 | offset = sizeof(*clp); | |
81179eec | 823 | |
fa2ea806 | 824 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 825 | |
fa2ea806 JA |
826 | for (i = 0; i < clp->lines; i++) { |
827 | cslp = pdu + offset; | |
828 | argv[i] = (char *) cslp->text; | |
829 | ||
830 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
831 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
832 | } | |
81179eec | 833 | |
46bcd498 | 834 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 835 | fio_net_queue_quit(); |
fa2ea806 | 836 | free(argv); |
81179eec | 837 | return -1; |
e6d1c668 | 838 | } |
81179eec | 839 | |
fa2ea806 JA |
840 | free(argv); |
841 | ||
b9d2f30a | 842 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 843 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
844 | |
845 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 846 | return 0; |
132159a5 JA |
847 | } |
848 | ||
c28e8e8c JA |
849 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
850 | { | |
3989b143 JA |
851 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
852 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 853 | uint64_t tag = cmd->tag; |
c28e8e8c | 854 | |
89c1707c JA |
855 | dprint(FD_NET, "server: sending probe reply\n"); |
856 | ||
ca09be4b JA |
857 | strcpy(me, (char *) pdu->server); |
858 | ||
c28e8e8c JA |
859 | memset(&probe, 0, sizeof(probe)); |
860 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 861 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
862 | probe.bigendian = 1; |
863 | #endif | |
750db473 | 864 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 865 | |
cca84643 JA |
866 | probe.os = FIO_OS; |
867 | probe.arch = FIO_ARCH; | |
38fdef22 | 868 | probe.bpp = sizeof(void *); |
d31e26d0 | 869 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
870 | |
871 | /* | |
872 | * If the client supports compression and we do too, then enable it | |
873 | */ | |
874 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
875 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
876 | use_zlib = 1; | |
877 | } else { | |
878 | probe.flags = 0; | |
879 | use_zlib = 0; | |
880 | } | |
38fdef22 | 881 | |
f77d4b73 | 882 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
883 | } |
884 | ||
885 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
886 | { | |
887 | struct jobs_eta *je; | |
40c60516 | 888 | uint64_t tag = cmd->tag; |
723297c9 | 889 | size_t size; |
af9c9fb3 JA |
890 | int i; |
891 | ||
e123c833 JA |
892 | dprint(FD_NET, "server sending status\n"); |
893 | ||
894 | /* | |
895 | * Fake ETA return if we don't have a local one, otherwise the client | |
896 | * will end up timing out waiting for a response to the ETA request | |
897 | */ | |
c5103619 | 898 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
899 | if (!je) { |
900 | size = sizeof(*je); | |
901 | je = calloc(1, size); | |
902 | } else { | |
e123c833 JA |
903 | je->nr_running = cpu_to_le32(je->nr_running); |
904 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
905 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
906 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
907 | je->files_open = cpu_to_le32(je->files_open); | |
908 | ||
909 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
910 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
911 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
912 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
913 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
914 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
915 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
916 | } | |
af9c9fb3 | 917 | |
e123c833 JA |
918 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
919 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
920 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
921 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
922 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
923 | } |
924 | ||
f77d4b73 | 925 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 926 | return 0; |
c28e8e8c JA |
927 | } |
928 | ||
f77d4b73 | 929 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
930 | { |
931 | uint64_t tag = __tag; | |
932 | uint32_t pdu_error; | |
933 | ||
934 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 935 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
936 | } |
937 | ||
f58bd2a4 JA |
938 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
939 | { | |
940 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
941 | struct thread_data *td; | |
942 | uint32_t tnumber; | |
943 | ||
944 | tnumber = le32_to_cpu(pdu->thread_number); | |
945 | ||
946 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
947 | ||
30ffacbf | 948 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 949 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
950 | return 0; |
951 | } | |
952 | ||
30ffacbf | 953 | td = &threads[tnumber - 1]; |
f58bd2a4 | 954 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 955 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
956 | return 0; |
957 | } | |
958 | ||
ca09be4b JA |
959 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
960 | { | |
961 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
962 | char *buf = (char *) pdu->cmd; | |
963 | struct all_io_list *rep; | |
964 | size_t sz; | |
965 | ||
966 | pdu->len = le16_to_cpu(pdu->len); | |
967 | buf[pdu->len] = '\0'; | |
968 | ||
969 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
970 | if (!rep) { | |
971 | struct all_io_list state; | |
972 | ||
973 | state.threads = cpu_to_le64((uint64_t) 0); | |
a89c77ab | 974 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE); |
f77d4b73 | 975 | } else |
a89c77ab | 976 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE); |
ca09be4b JA |
977 | |
978 | exec_trigger(buf); | |
979 | return 0; | |
980 | } | |
981 | ||
f77d4b73 JA |
982 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
983 | struct fio_net_cmd *cmd) | |
132159a5 JA |
984 | { |
985 | int ret; | |
986 | ||
4b91ee8f JA |
987 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
988 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
989 | (unsigned long long) cmd->tag); | |
46c48f1f | 990 | |
132159a5 JA |
991 | switch (cmd->opcode) { |
992 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 993 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
994 | ret = 0; |
995 | break; | |
d7959186 | 996 | case FIO_NET_CMD_EXIT: |
132159a5 | 997 | exit_backend = 1; |
c28e8e8c | 998 | return -1; |
323255cc JA |
999 | case FIO_NET_CMD_LOAD_FILE: |
1000 | ret = handle_load_file_cmd(cmd); | |
1001 | break; | |
132159a5 | 1002 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1003 | ret = handle_job_cmd(cmd); |
132159a5 | 1004 | break; |
81179eec JA |
1005 | case FIO_NET_CMD_JOBLINE: |
1006 | ret = handle_jobline_cmd(cmd); | |
1007 | break; | |
c28e8e8c JA |
1008 | case FIO_NET_CMD_PROBE: |
1009 | ret = handle_probe_cmd(cmd); | |
1010 | break; | |
af9c9fb3 JA |
1011 | case FIO_NET_CMD_SEND_ETA: |
1012 | ret = handle_send_eta_cmd(cmd); | |
1013 | break; | |
b9d2f30a | 1014 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1015 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1016 | break; |
f58bd2a4 JA |
1017 | case FIO_NET_CMD_UPDATE_JOB: |
1018 | ret = handle_update_job_cmd(cmd); | |
1019 | break; | |
ca09be4b JA |
1020 | case FIO_NET_CMD_VTRIGGER: |
1021 | ret = handle_trigger_cmd(cmd); | |
1022 | break; | |
1023 | case FIO_NET_CMD_SENDFILE: { | |
1024 | struct cmd_sendfile_reply *in; | |
1025 | struct cmd_reply *rep; | |
1026 | ||
1027 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1028 | ||
1029 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1030 | in->size = le32_to_cpu(in->size); | |
1031 | in->error = le32_to_cpu(in->error); | |
1032 | if (in->error) { | |
1033 | ret = 1; | |
1034 | rep->error = in->error; | |
1035 | } else { | |
1036 | ret = 0; | |
1037 | rep->data = smalloc(in->size); | |
1038 | if (!rep->data) { | |
1039 | ret = 1; | |
1040 | rep->error = ENOMEM; | |
1041 | } else { | |
1042 | rep->size = in->size; | |
1043 | memcpy(rep->data, in->data, in->size); | |
1044 | } | |
1045 | } | |
1046 | fio_mutex_up(&rep->lock); | |
1047 | break; | |
1048 | } | |
132159a5 | 1049 | default: |
3c3ed070 | 1050 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1051 | ret = 1; |
1052 | } | |
1053 | ||
1054 | return ret; | |
1055 | } | |
1056 | ||
02594e37 JA |
1057 | /* |
1058 | * Send a command with a separate PDU, not inlined in the command | |
1059 | */ | |
1060 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1061 | off_t size, uint64_t tag, uint32_t flags) | |
1062 | { | |
1063 | struct fio_net_cmd cmd; | |
1064 | struct iovec iov[2]; | |
7c922795 JA |
1065 | size_t this_len; |
1066 | int ret; | |
02594e37 JA |
1067 | |
1068 | iov[0].iov_base = (void *) &cmd; | |
1069 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1070 | |
7c922795 JA |
1071 | do { |
1072 | uint32_t this_flags = flags; | |
1073 | ||
1074 | this_len = size; | |
1075 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1076 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1077 | ||
1078 | if (this_len < size) | |
1079 | this_flags |= FIO_NET_CMD_F_MORE; | |
1080 | ||
1081 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1082 | cmd.flags = __cpu_to_le32(this_flags); | |
1083 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1084 | |
7c922795 JA |
1085 | iov[1].iov_base = (void *) buf; |
1086 | iov[1].iov_len = this_len; | |
1087 | ||
1088 | ret = fio_sendv_data(sk, iov, 2); | |
1089 | size -= this_len; | |
1090 | buf += this_len; | |
1091 | } while (!ret && size); | |
1092 | ||
1093 | return ret; | |
02594e37 JA |
1094 | } |
1095 | ||
1096 | static void finish_entry(struct sk_entry *entry) | |
1097 | { | |
1098 | if (entry->flags & SK_F_FREE) | |
1099 | free(entry->buf); | |
1100 | else if (entry->flags & SK_F_COPY) | |
1101 | sfree(entry->buf); | |
1102 | ||
1103 | sfree(entry); | |
1104 | } | |
1105 | ||
ba1891d2 JA |
1106 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1107 | unsigned int *flags) | |
02594e37 | 1108 | { |
b3882320 JA |
1109 | if (!flist_empty(list)) |
1110 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1111 | else |
b3882320 | 1112 | *flags = 0; |
b3882320 | 1113 | } |
02594e37 | 1114 | |
b3882320 JA |
1115 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1116 | { | |
1117 | unsigned int flags; | |
b3882320 JA |
1118 | int ret; |
1119 | ||
ba1891d2 | 1120 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1121 | |
ba1891d2 JA |
1122 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1123 | first->size, first->tag, flags); | |
02594e37 JA |
1124 | |
1125 | while (!flist_empty(&first->next)) { | |
1126 | struct sk_entry *next; | |
1127 | ||
1128 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1129 | flist_del_init(&next->list); | |
02594e37 | 1130 | |
ba1891d2 | 1131 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1132 | |
ba1891d2 JA |
1133 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1134 | next->size, next->tag, flags); | |
02594e37 JA |
1135 | finish_entry(next); |
1136 | } | |
b3882320 JA |
1137 | |
1138 | return ret; | |
02594e37 JA |
1139 | } |
1140 | ||
b3882320 | 1141 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1142 | { |
b3882320 JA |
1143 | int ret; |
1144 | ||
bead01d7 JA |
1145 | fio_mutex_down(&sk_out->xmit); |
1146 | ||
02594e37 | 1147 | if (entry->flags & SK_F_VEC) |
b3882320 | 1148 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1149 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1150 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1151 | entry->tag, NULL); | |
dfc8e76c JA |
1152 | } else { |
1153 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1154 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1155 | } |
b3882320 | 1156 | |
bead01d7 JA |
1157 | fio_mutex_up(&sk_out->xmit); |
1158 | ||
b3882320 JA |
1159 | if (ret) |
1160 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1161 | |
02594e37 | 1162 | finish_entry(entry); |
b3882320 | 1163 | return ret; |
f77d4b73 JA |
1164 | } |
1165 | ||
b3882320 | 1166 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1167 | { |
1168 | struct sk_entry *entry; | |
1169 | FLIST_HEAD(list); | |
b3882320 | 1170 | int ret = 0; |
f77d4b73 JA |
1171 | |
1172 | sk_lock(sk_out); | |
1173 | if (flist_empty(&sk_out->list)) { | |
1174 | sk_unlock(sk_out); | |
b3882320 | 1175 | return 0; |
f77d4b73 JA |
1176 | } |
1177 | ||
1178 | flist_splice_init(&sk_out->list, &list); | |
1179 | sk_unlock(sk_out); | |
1180 | ||
1181 | while (!flist_empty(&list)) { | |
1182 | entry = flist_entry(list.next, struct sk_entry, list); | |
1183 | flist_del(&entry->list); | |
b3882320 | 1184 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1185 | } |
b3882320 JA |
1186 | |
1187 | return ret; | |
f77d4b73 JA |
1188 | } |
1189 | ||
1190 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1191 | { |
1192 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1193 | FLIST_HEAD(job_list); |
132159a5 JA |
1194 | int ret = 0; |
1195 | ||
122c7725 | 1196 | reset_fio_state(); |
122c7725 | 1197 | |
132159a5 JA |
1198 | /* read forever */ |
1199 | while (!exit_backend) { | |
e951bdc4 | 1200 | struct pollfd pfd = { |
f77d4b73 | 1201 | .fd = sk_out->sk, |
e951bdc4 JA |
1202 | .events = POLLIN, |
1203 | }; | |
1204 | ||
1205 | ret = 0; | |
1206 | do { | |
54163255 JA |
1207 | int timeout = 1000; |
1208 | ||
1209 | if (!flist_empty(&job_list)) | |
1210 | timeout = 100; | |
3c3ed070 | 1211 | |
f77d4b73 JA |
1212 | handle_xmits(sk_out); |
1213 | ||
1214 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1215 | if (ret < 0) { |
1216 | if (errno == EINTR) | |
1217 | break; | |
1218 | log_err("fio: poll: %s\n", strerror(errno)); | |
1219 | break; | |
19c65179 | 1220 | } else if (!ret) { |
6348b5de | 1221 | fio_server_check_jobs(&job_list); |
bead01d7 | 1222 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1223 | continue; |
19c65179 | 1224 | } |
e951bdc4 JA |
1225 | |
1226 | if (pfd.revents & POLLIN) | |
1227 | break; | |
1228 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1229 | ret = 1; | |
1230 | break; | |
1231 | } | |
19c65179 | 1232 | } while (!exit_backend); |
e951bdc4 | 1233 | |
6348b5de | 1234 | fio_server_check_jobs(&job_list); |
122c7725 | 1235 | |
e951bdc4 JA |
1236 | if (ret < 0) |
1237 | break; | |
1238 | ||
54e62ad4 | 1239 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1240 | if (!cmd) { |
c28e8e8c | 1241 | ret = -1; |
132159a5 JA |
1242 | break; |
1243 | } | |
1244 | ||
f77d4b73 | 1245 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1246 | if (ret) |
1247 | break; | |
1248 | ||
1249 | free(cmd); | |
c77a99e7 | 1250 | cmd = NULL; |
132159a5 JA |
1251 | } |
1252 | ||
1253 | if (cmd) | |
1254 | free(cmd); | |
1255 | ||
f77d4b73 JA |
1256 | handle_xmits(sk_out); |
1257 | ||
1258 | close(sk_out->sk); | |
0ae6acea | 1259 | sk_out->sk = -1; |
bce503fc | 1260 | __sk_out_drop(sk_out); |
122c7725 | 1261 | _exit(ret); |
cc0df00a JA |
1262 | } |
1263 | ||
296ab20a BE |
1264 | /* get the address on this host bound by the input socket, |
1265 | * whether it is ipv6 or ipv4 */ | |
1266 | ||
9d2c74d7 | 1267 | static int get_my_addr_str(int sk) |
296ab20a | 1268 | { |
f77d4b73 JA |
1269 | struct sockaddr_in6 myaddr6 = { 0, }; |
1270 | struct sockaddr_in myaddr4 = { 0, }; | |
1271 | struct sockaddr *sockaddr_p; | |
1272 | char *net_addr; | |
1273 | socklen_t len; | |
1274 | int ret; | |
296ab20a | 1275 | |
f77d4b73 JA |
1276 | if (use_ipv6) { |
1277 | len = sizeof(myaddr6); | |
296ab20a | 1278 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1279 | net_addr = (char * )&myaddr6.sin6_addr; |
1280 | } else { | |
1281 | len = sizeof(myaddr4); | |
296ab20a | 1282 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1283 | net_addr = (char * )&myaddr4.sin_addr; |
1284 | } | |
1285 | ||
296ab20a BE |
1286 | ret = getsockname(sk, sockaddr_p, &len); |
1287 | if (ret) { | |
1288 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1289 | return -1; |
1290 | } | |
f77d4b73 JA |
1291 | |
1292 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1293 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1294 | return -1; |
1295 | } | |
f77d4b73 | 1296 | |
296ab20a BE |
1297 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1298 | return 0; | |
1299 | } | |
1300 | ||
ea1cd038 | 1301 | static int accept_loop(int listen_sk) |
50d16976 | 1302 | { |
bb447a27 | 1303 | struct sockaddr_in addr; |
479471c4 JA |
1304 | struct sockaddr_in6 addr6; |
1305 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1306 | struct pollfd pfd; |
4a851614 | 1307 | int ret = 0, sk, exitval = 0; |
6348b5de | 1308 | FLIST_HEAD(conn_list); |
50d16976 | 1309 | |
60efd14e JA |
1310 | dprint(FD_NET, "server enter accept loop\n"); |
1311 | ||
4a851614 | 1312 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1313 | |
122c7725 | 1314 | while (!exit_backend) { |
ea1cd038 | 1315 | struct sk_out *sk_out; |
479471c4 JA |
1316 | const char *from; |
1317 | char buf[64]; | |
122c7725 | 1318 | pid_t pid; |
009b1be4 | 1319 | |
122c7725 JA |
1320 | pfd.fd = listen_sk; |
1321 | pfd.events = POLLIN; | |
1322 | do { | |
54163255 JA |
1323 | int timeout = 1000; |
1324 | ||
1325 | if (!flist_empty(&conn_list)) | |
1326 | timeout = 100; | |
1327 | ||
1328 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1329 | if (ret < 0) { |
1330 | if (errno == EINTR) | |
1331 | break; | |
1332 | log_err("fio: poll: %s\n", strerror(errno)); | |
1333 | break; | |
1334 | } else if (!ret) { | |
6348b5de | 1335 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1336 | continue; |
1337 | } | |
009b1be4 | 1338 | |
122c7725 JA |
1339 | if (pfd.revents & POLLIN) |
1340 | break; | |
1341 | } while (!exit_backend); | |
50d16976 | 1342 | |
6348b5de | 1343 | fio_server_check_conns(&conn_list); |
46c48f1f | 1344 | |
122c7725 JA |
1345 | if (exit_backend || ret < 0) |
1346 | break; | |
1347 | ||
479471c4 JA |
1348 | if (use_ipv6) |
1349 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1350 | else | |
1351 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1352 | ||
122c7725 JA |
1353 | if (sk < 0) { |
1354 | log_err("fio: accept: %s\n", strerror(errno)); | |
1355 | return -1; | |
1356 | } | |
37db14fe | 1357 | |
479471c4 JA |
1358 | if (use_ipv6) |
1359 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1360 | else | |
1361 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1362 | ||
1363 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1364 | |
bce503fc | 1365 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1366 | sk_out->sk = sk; |
bce503fc | 1367 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1368 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1369 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1370 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1371 | |
122c7725 JA |
1372 | pid = fork(); |
1373 | if (pid) { | |
1374 | close(sk); | |
6348b5de | 1375 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1376 | continue; |
1377 | } | |
5c341e9a | 1378 | |
0ae6acea JA |
1379 | /* if error, it's already logged, non-fatal */ |
1380 | get_my_addr_str(sk); | |
1381 | ||
1382 | /* | |
1383 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1384 | * since that function calls _exit() when done | |
1385 | */ | |
bce503fc | 1386 | sk_out_assign(sk_out); |
f77d4b73 | 1387 | handle_connection(sk_out); |
122c7725 | 1388 | } |
5c341e9a | 1389 | |
132159a5 | 1390 | return exitval; |
50d16976 JA |
1391 | } |
1392 | ||
084d1c6f | 1393 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1394 | { |
f77d4b73 | 1395 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1396 | struct cmd_text_pdu *pdu; |
1397 | unsigned int tlen; | |
1398 | struct timeval tv; | |
1399 | ||
f77d4b73 | 1400 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1401 | return -1; |
084d1c6f JA |
1402 | |
1403 | tlen = sizeof(*pdu) + len; | |
1404 | pdu = malloc(tlen); | |
1405 | ||
1406 | pdu->level = __cpu_to_le32(level); | |
1407 | pdu->buf_len = __cpu_to_le32(len); | |
1408 | ||
1409 | gettimeofday(&tv, NULL); | |
1410 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1411 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1412 | |
084d1c6f JA |
1413 | memcpy(pdu->buf, buf, len); |
1414 | ||
f77d4b73 | 1415 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1416 | free(pdu); |
1417 | return len; | |
142575e6 JA |
1418 | } |
1419 | ||
a64e88da JA |
1420 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1421 | { | |
1422 | dst->max_val = cpu_to_le64(src->max_val); | |
1423 | dst->min_val = cpu_to_le64(src->min_val); | |
1424 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1425 | |
1426 | /* | |
1427 | * Encode to IEEE 754 for network transfer | |
1428 | */ | |
e5c9093d JA |
1429 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1430 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1431 | } |
1432 | ||
1433 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1434 | { | |
1435 | int i; | |
1436 | ||
298921d6 | 1437 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1438 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1439 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1440 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1441 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1442 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1443 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1444 | } | |
1445 | ||
1446 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1447 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1448 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1449 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1450 | } |
1451 | ||
1452 | /* | |
1453 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1454 | * into a single payload. | |
1455 | */ | |
1456 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1457 | { | |
1458 | struct cmd_ts_pdu p; | |
1459 | int i, j; | |
1460 | ||
60efd14e JA |
1461 | dprint(FD_NET, "server sending end stats\n"); |
1462 | ||
317b3c8b JA |
1463 | memset(&p, 0, sizeof(p)); |
1464 | ||
4e59d0f3 JA |
1465 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1466 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1467 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1468 | |
2f122b13 JA |
1469 | p.ts.error = cpu_to_le32(ts->error); |
1470 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1471 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1472 | p.ts.pid = cpu_to_le32(ts->pid); | |
1473 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1474 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1475 | |
298921d6 | 1476 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1477 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1478 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1479 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1480 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1481 | } | |
1482 | ||
1483 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1484 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1485 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1486 | p.ts.minf = cpu_to_le64(ts->minf); | |
1487 | p.ts.majf = cpu_to_le64(ts->majf); | |
1488 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1489 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1490 | |
1491 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1492 | fio_fp64_t *src = &ts->percentile_list[i]; |
1493 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1494 | |
e5c9093d | 1495 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1496 | } |
a64e88da JA |
1497 | |
1498 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1499 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1500 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1501 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1502 | } | |
1503 | ||
1504 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1505 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1506 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1507 | } | |
1508 | ||
298921d6 | 1509 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1510 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1511 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1512 | ||
78799deb | 1513 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1514 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1515 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1516 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1517 | } |
1518 | ||
93eee04a | 1519 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1520 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1521 | ||
298921d6 | 1522 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1523 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1524 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1525 | } | |
1526 | ||
1527 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1528 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1529 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1530 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1531 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1532 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1533 | |
3e260a46 JA |
1534 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1535 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1536 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1537 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1538 | |
66347cfa DE |
1539 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1540 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1541 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1542 | ||
a64e88da JA |
1543 | convert_gs(&p.rs, rs); |
1544 | ||
f77d4b73 | 1545 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1546 | } |
1547 | ||
1548 | void fio_server_send_gs(struct group_run_stats *rs) | |
1549 | { | |
1550 | struct group_run_stats gs; | |
1551 | ||
60efd14e JA |
1552 | dprint(FD_NET, "server sending group run stats\n"); |
1553 | ||
a64e88da | 1554 | convert_gs(&gs, rs); |
f77d4b73 | 1555 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1556 | } |
1557 | ||
0279b880 JA |
1558 | void fio_server_send_job_options(struct flist_head *opt_list, |
1559 | unsigned int groupid) | |
1560 | { | |
1561 | struct cmd_job_option pdu; | |
1562 | struct flist_head *entry; | |
1563 | ||
1564 | if (flist_empty(opt_list)) | |
1565 | return; | |
1566 | ||
1567 | flist_for_each(entry, opt_list) { | |
1568 | struct print_option *p; | |
bc0fec0e | 1569 | size_t len; |
0279b880 JA |
1570 | |
1571 | p = flist_entry(entry, struct print_option, list); | |
1572 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1573 | |
0279b880 JA |
1574 | if (groupid == -1U) { |
1575 | pdu.global = __cpu_to_le16(1); | |
1576 | pdu.groupid = 0; | |
1577 | } else { | |
1578 | pdu.global = 0; | |
bc0fec0e JA |
1579 | pdu.groupid = cpu_to_le32(groupid); |
1580 | } | |
1581 | len = strlen(p->name); | |
1582 | if (len >= sizeof(pdu.name)) { | |
1583 | len = sizeof(pdu.name) - 1; | |
1584 | pdu.truncated = __cpu_to_le16(1); | |
1585 | } | |
1586 | memcpy(pdu.name, p->name, len); | |
1587 | if (p->value) { | |
1588 | len = strlen(p->value); | |
1589 | if (len >= sizeof(pdu.value)) { | |
1590 | len = sizeof(pdu.value) - 1; | |
1591 | pdu.truncated = __cpu_to_le16(1); | |
1592 | } | |
1593 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1594 | } |
0279b880 JA |
1595 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1596 | } | |
1597 | } | |
1598 | ||
d09a64a0 JA |
1599 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1600 | { | |
1601 | int i; | |
1602 | ||
1603 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1604 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1605 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1606 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1607 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1608 | } |
1609 | ||
504bc961 JA |
1610 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1611 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1612 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1613 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1614 | } |
1615 | ||
1616 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1617 | { | |
1618 | int i; | |
1619 | ||
59140421 JA |
1620 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1621 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1622 | |
1623 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1624 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1625 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1626 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1627 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1628 | } |
1629 | ||
504bc961 JA |
1630 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1631 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1632 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1633 | } |
1634 | ||
1635 | void fio_server_send_du(void) | |
1636 | { | |
1637 | struct disk_util *du; | |
1638 | struct flist_head *entry; | |
1639 | struct cmd_du_pdu pdu; | |
1640 | ||
1641 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1642 | ||
0766d92e JA |
1643 | memset(&pdu, 0, sizeof(pdu)); |
1644 | ||
d09a64a0 JA |
1645 | flist_for_each(entry, &disk_list) { |
1646 | du = flist_entry(entry, struct disk_util, list); | |
1647 | ||
1648 | convert_dus(&pdu.dus, &du->dus); | |
1649 | convert_agg(&pdu.agg, &du->agg); | |
1650 | ||
f77d4b73 | 1651 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1652 | } |
1653 | } | |
1654 | ||
dfc8e76c | 1655 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1656 | { |
3989b143 JA |
1657 | int ret = 0; |
1658 | #ifdef CONFIG_ZLIB | |
02594e37 | 1659 | struct sk_entry *entry; |
1b42725f JA |
1660 | z_stream stream; |
1661 | void *out_pdu; | |
1b42725f JA |
1662 | |
1663 | /* | |
1664 | * Dirty - since the log is potentially huge, compress it into | |
1665 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1666 | * side defragment it. | |
1667 | */ | |
1668 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1669 | ||
1670 | stream.zalloc = Z_NULL; | |
1671 | stream.zfree = Z_NULL; | |
1672 | stream.opaque = Z_NULL; | |
1673 | ||
1674 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1675 | ret = 1; |
1676 | goto err; | |
1b42725f JA |
1677 | } |
1678 | ||
f5ed765a | 1679 | stream.next_in = (void *) log->log; |
ae588852 | 1680 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1681 | |
1682 | do { | |
02594e37 | 1683 | unsigned int this_len; |
1b42725f JA |
1684 | |
1685 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1686 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1687 | ret = deflate(&stream, Z_FINISH); |
1688 | /* may be Z_OK, or Z_STREAM_END */ | |
1689 | if (ret < 0) | |
1690 | goto err_zlib; | |
1b42725f JA |
1691 | |
1692 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1693 | ||
02594e37 | 1694 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
bead01d7 JA |
1695 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1696 | out_pdu = NULL; | |
02594e37 | 1697 | flist_add_tail(&entry->list, &first->next); |
1b42725f JA |
1698 | } while (stream.avail_in); |
1699 | ||
53bd8dbc | 1700 | err_zlib: |
1b42725f | 1701 | deflateEnd(&stream); |
53bd8dbc JA |
1702 | err: |
1703 | free(out_pdu); | |
3989b143 | 1704 | #endif |
53bd8dbc | 1705 | return ret; |
1b42725f JA |
1706 | } |
1707 | ||
dfc8e76c | 1708 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1709 | { |
1710 | struct sk_entry *entry; | |
1711 | struct flist_head *node; | |
1712 | ||
1713 | pthread_mutex_lock(&log->chunk_lock); | |
1714 | flist_for_each(node, &log->chunk_list) { | |
1715 | struct iolog_compress *c; | |
1716 | ||
1717 | c = flist_entry(node, struct iolog_compress, list); | |
1718 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1719 | NULL, SK_F_VEC | SK_F_INLINE); | |
1720 | flist_add_tail(&entry->list, &first->next); | |
1721 | } | |
1722 | pthread_mutex_unlock(&log->chunk_lock); | |
1723 | ||
1724 | return 0; | |
1725 | } | |
1726 | ||
dfc8e76c JA |
1727 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1728 | { | |
1729 | struct sk_entry *entry; | |
1730 | size_t size = log->nr_samples * log_entry_sz(log); | |
1731 | ||
1732 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, size, | |
1733 | NULL, SK_F_VEC | SK_F_INLINE); | |
1734 | flist_add_tail(&entry->list, &first->next); | |
1735 | return 0; | |
1736 | } | |
1737 | ||
3989b143 JA |
1738 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1739 | { | |
1740 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1741 | struct sk_entry *first; |
3989b143 JA |
1742 | int i, ret = 0; |
1743 | ||
ae588852 | 1744 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1745 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1746 | pdu.log_type = cpu_to_le32(log->log_type); |
0cba0f91 JA |
1747 | |
1748 | if (!flist_empty(&log->chunk_list)) | |
1749 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1750 | else if (use_zlib) | |
1751 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1752 | else | |
1753 | pdu.compressed = 0; | |
9bdb9265 JA |
1754 | |
1755 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1756 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1757 | |
0cba0f91 JA |
1758 | /* |
1759 | * We can't do this for a pre-compressed log, but for that case, | |
1760 | * log->nr_samples is zero anyway. | |
1761 | */ | |
3989b143 | 1762 | for (i = 0; i < log->nr_samples; i++) { |
ae588852 | 1763 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1764 | |
b26317c9 JA |
1765 | s->time = cpu_to_le64(s->time); |
1766 | s->val = cpu_to_le64(s->val); | |
1767 | s->__ddir = cpu_to_le32(s->__ddir); | |
1768 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1769 | |
1770 | if (log->log_offset) { | |
1771 | struct io_sample_offset *so = (void *) s; | |
1772 | ||
1773 | so->offset = cpu_to_le64(so->offset); | |
1774 | } | |
3989b143 JA |
1775 | } |
1776 | ||
1777 | /* | |
02594e37 | 1778 | * Assemble header entry first |
3989b143 | 1779 | */ |
bead01d7 | 1780 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1781 | |
1782 | /* | |
dfc8e76c JA |
1783 | * Now append actual log entries. If log compression was enabled on |
1784 | * the job, just send out the compressed chunks directly. If we | |
1785 | * have a plain log, compress if we can, then send. Otherwise, send | |
1786 | * the plain text output. | |
3989b143 | 1787 | */ |
0cba0f91 | 1788 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1789 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1790 | else if (use_zlib) |
dfc8e76c JA |
1791 | ret = fio_append_iolog_gz(first, log); |
1792 | else | |
1793 | ret = fio_append_text_log(first, log); | |
3989b143 | 1794 | |
bead01d7 | 1795 | fio_net_queue_entry(first); |
f77d4b73 | 1796 | return ret; |
3989b143 JA |
1797 | } |
1798 | ||
2f122b13 | 1799 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1800 | { |
1801 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1802 | |
731e30a2 | 1803 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1804 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1805 | pdu.groupid = cpu_to_le32(td->groupid); | |
1806 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1807 | |
dfc8e76c JA |
1808 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
1809 | SK_F_COPY); | |
807f9971 JA |
1810 | } |
1811 | ||
122c7725 JA |
1812 | void fio_server_send_start(struct thread_data *td) |
1813 | { | |
f77d4b73 JA |
1814 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1815 | ||
1816 | assert(sk_out->sk != -1); | |
122c7725 | 1817 | |
f77d4b73 | 1818 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1819 | } |
1820 | ||
ca09be4b | 1821 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 1822 | void **datap) |
ca09be4b JA |
1823 | { |
1824 | struct thread_io_list *s; | |
1825 | struct cmd_sendfile out; | |
1826 | struct cmd_reply *rep; | |
1827 | uint64_t tag; | |
1828 | void *data; | |
c0d3245a | 1829 | int ret; |
ca09be4b JA |
1830 | |
1831 | dprint(FD_NET, "server: request verify state\n"); | |
1832 | ||
1833 | rep = smalloc(sizeof(*rep)); | |
1834 | if (!rep) { | |
1835 | log_err("fio: smalloc pool too small\n"); | |
c0d3245a | 1836 | return ENOMEM; |
ca09be4b JA |
1837 | } |
1838 | ||
1839 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1840 | rep->data = NULL; | |
1841 | rep->error = 0; | |
1842 | ||
e499aedc JA |
1843 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1844 | threadnumber); | |
ca09be4b | 1845 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
1846 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
1847 | SK_F_COPY); | |
ca09be4b JA |
1848 | |
1849 | /* | |
1850 | * Wait for the backend to receive the reply | |
1851 | */ | |
09400a60 | 1852 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 1853 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 1854 | ret = ETIMEDOUT; |
ca09be4b JA |
1855 | goto fail; |
1856 | } | |
1857 | ||
1858 | if (rep->error) { | |
415c3133 JA |
1859 | log_err("fio: failure on receiving state file %s: %s\n", |
1860 | out.path, strerror(rep->error)); | |
c0d3245a | 1861 | ret = rep->error; |
ca09be4b JA |
1862 | fail: |
1863 | *datap = NULL; | |
1864 | sfree(rep); | |
f77d4b73 | 1865 | fio_net_queue_quit(); |
c0d3245a | 1866 | return ret; |
ca09be4b JA |
1867 | } |
1868 | ||
1869 | /* | |
1870 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1871 | * the header, and the thread_io_list checksum | |
1872 | */ | |
1873 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 1874 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 1875 | ret = EILSEQ; |
ca09be4b | 1876 | goto fail; |
c0d3245a | 1877 | } |
ca09be4b JA |
1878 | |
1879 | /* | |
1880 | * Don't need the header from now, copy just the thread_io_list | |
1881 | */ | |
c0d3245a | 1882 | ret = 0; |
ca09be4b JA |
1883 | rep->size -= sizeof(struct verify_state_hdr); |
1884 | data = malloc(rep->size); | |
1885 | memcpy(data, s, rep->size); | |
1886 | *datap = data; | |
1887 | ||
1888 | sfree(rep->data); | |
f5a42524 | 1889 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 1890 | sfree(rep); |
c0d3245a | 1891 | return ret; |
ca09be4b JA |
1892 | } |
1893 | ||
87aa8f19 | 1894 | static int fio_init_server_ip(void) |
81179eec | 1895 | { |
811826be | 1896 | struct sockaddr *addr; |
67bf9823 | 1897 | socklen_t socklen; |
17e3531a JA |
1898 | char buf[80]; |
1899 | const char *str; | |
87aa8f19 | 1900 | int sk, opt; |
81179eec | 1901 | |
811826be JA |
1902 | if (use_ipv6) |
1903 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1904 | else | |
1905 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1906 | ||
81179eec JA |
1907 | if (sk < 0) { |
1908 | log_err("fio: socket: %s\n", strerror(errno)); | |
1909 | return -1; | |
1910 | } | |
1911 | ||
1912 | opt = 1; | |
1f81991e | 1913 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1914 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1915 | close(sk); |
81179eec JA |
1916 | return -1; |
1917 | } | |
1918 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
1919 | /* |
1920 | * Not fatal if fails, so just ignore it if that happens | |
1921 | */ | |
1922 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
1923 | #endif |
1924 | ||
811826be | 1925 | if (use_ipv6) { |
17e3531a JA |
1926 | const void *src = &saddr_in6.sin6_addr; |
1927 | ||
811826be JA |
1928 | addr = (struct sockaddr *) &saddr_in6; |
1929 | socklen = sizeof(saddr_in6); | |
1930 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1931 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1932 | } else { |
17e3531a JA |
1933 | const void *src = &saddr_in.sin_addr; |
1934 | ||
811826be JA |
1935 | addr = (struct sockaddr *) &saddr_in; |
1936 | socklen = sizeof(saddr_in); | |
1937 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1938 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1939 | } |
81179eec | 1940 | |
811826be | 1941 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1942 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1943 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1944 | close(sk); |
81179eec JA |
1945 | return -1; |
1946 | } | |
1947 | ||
87aa8f19 JA |
1948 | return sk; |
1949 | } | |
1950 | ||
1951 | static int fio_init_server_sock(void) | |
1952 | { | |
1953 | struct sockaddr_un addr; | |
67bf9823 | 1954 | socklen_t len; |
87aa8f19 JA |
1955 | mode_t mode; |
1956 | int sk; | |
1957 | ||
1958 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1959 | if (sk < 0) { | |
1960 | log_err("fio: socket: %s\n", strerror(errno)); | |
1961 | return -1; | |
1962 | } | |
1963 | ||
1964 | mode = umask(000); | |
1965 | ||
1966 | memset(&addr, 0, sizeof(addr)); | |
1967 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1968 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1969 | |
1970 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1971 | ||
1972 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1973 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1974 | close(sk); |
87aa8f19 JA |
1975 | return -1; |
1976 | } | |
1977 | ||
1978 | umask(mode); | |
1979 | return sk; | |
1980 | } | |
1981 | ||
1982 | static int fio_init_server_connection(void) | |
1983 | { | |
bebe6398 | 1984 | char bind_str[128]; |
87aa8f19 JA |
1985 | int sk; |
1986 | ||
1987 | dprint(FD_NET, "starting server\n"); | |
1988 | ||
1989 | if (!bind_sock) | |
1990 | sk = fio_init_server_ip(); | |
1991 | else | |
1992 | sk = fio_init_server_sock(); | |
1993 | ||
1994 | if (sk < 0) | |
1995 | return sk; | |
1996 | ||
afdcad23 JA |
1997 | memset(bind_str, 0, sizeof(bind_str)); |
1998 | ||
811826be JA |
1999 | if (!bind_sock) { |
2000 | char *p, port[16]; | |
2001 | const void *src; | |
2002 | int af; | |
2003 | ||
2004 | if (use_ipv6) { | |
2005 | af = AF_INET6; | |
2006 | src = &saddr_in6.sin6_addr; | |
2007 | } else { | |
2008 | af = AF_INET; | |
2009 | src = &saddr_in.sin_addr; | |
2010 | } | |
2011 | ||
2012 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2013 | ||
2014 | sprintf(port, ",%u", fio_net_port); | |
2015 | if (p) | |
2016 | strcat(p, port); | |
2017 | else | |
afdcad23 | 2018 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 2019 | } else |
afdcad23 | 2020 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
2021 | |
2022 | log_info("fio: server listening on %s\n", bind_str); | |
2023 | ||
1e1507df | 2024 | if (listen(sk, 4) < 0) { |
81179eec | 2025 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2026 | close(sk); |
81179eec JA |
2027 | return -1; |
2028 | } | |
2029 | ||
87aa8f19 JA |
2030 | return sk; |
2031 | } | |
2032 | ||
3aa3ceeb | 2033 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2034 | struct in6_addr *inp6) |
2035 | ||
2036 | { | |
2037 | int ret = 0; | |
2038 | ||
3aa3ceeb | 2039 | if (ipv6) |
3ec62ec4 JA |
2040 | ret = inet_pton(AF_INET6, host, inp6); |
2041 | else | |
2042 | ret = inet_pton(AF_INET, host, inp); | |
2043 | ||
2044 | if (ret != 1) { | |
479471c4 JA |
2045 | struct addrinfo hints, *res; |
2046 | ||
2047 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2048 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2049 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2050 | |
479471c4 JA |
2051 | ret = getaddrinfo(host, NULL, &hints, &res); |
2052 | if (ret) { | |
2053 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2054 | gai_strerror(ret)); | |
3caf43e3 | 2055 | return 1; |
3ec62ec4 JA |
2056 | } |
2057 | ||
3aa3ceeb | 2058 | if (ipv6) |
479471c4 JA |
2059 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2060 | else | |
2061 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2062 | ||
3ec62ec4 | 2063 | ret = 1; |
479471c4 | 2064 | freeaddrinfo(res); |
3ec62ec4 JA |
2065 | } |
2066 | ||
2067 | return !(ret == 1); | |
2068 | } | |
2069 | ||
660a2bfb JA |
2070 | /* |
2071 | * Parse a host/ip/port string. Reads from 'str'. | |
2072 | * | |
2073 | * Outputs: | |
2074 | * | |
2075 | * For IPv4: | |
2076 | * *ptr is the host, *port is the port, inp is the destination. | |
2077 | * For IPv6: | |
2078 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2079 | * For local domain sockets: | |
2080 | * *ptr is the filename, *is_sock is 1. | |
2081 | */ | |
bebe6398 | 2082 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2083 | int *port, struct in_addr *inp, |
2084 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2085 | { |
76867621 JA |
2086 | const char *host = str; |
2087 | char *portp; | |
3ec62ec4 | 2088 | int lport = 0; |
76867621 | 2089 | |
bebe6398 JA |
2090 | *ptr = NULL; |
2091 | *is_sock = 0; | |
6d2cf394 | 2092 | *port = fio_net_port; |
811826be | 2093 | *ipv6 = 0; |
bebe6398 JA |
2094 | |
2095 | if (!strncmp(str, "sock:", 5)) { | |
2096 | *ptr = strdup(str + 5); | |
2097 | *is_sock = 1; | |
76867621 JA |
2098 | |
2099 | return 0; | |
2100 | } | |
2101 | ||
2102 | /* | |
2103 | * Is it ip:<ip or host>:port | |
2104 | */ | |
2105 | if (!strncmp(host, "ip:", 3)) | |
2106 | host += 3; | |
2107 | else if (!strncmp(host, "ip4:", 4)) | |
2108 | host += 4; | |
2109 | else if (!strncmp(host, "ip6:", 4)) { | |
2110 | host += 4; | |
2111 | *ipv6 = 1; | |
2112 | } else if (host[0] == ':') { | |
2113 | /* String is :port */ | |
2114 | host++; | |
2115 | lport = atoi(host); | |
2116 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2117 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2118 | return 1; |
2119 | } | |
2120 | /* no hostname given, we are done */ | |
2121 | *port = lport; | |
2122 | return 0; | |
2123 | } | |
2124 | ||
2125 | /* | |
b96b90c3 | 2126 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2127 | */ |
2128 | if (!lport) { | |
2129 | portp = strchr(host, ','); | |
2130 | if (portp) { | |
2131 | *portp = '\0'; | |
2132 | portp++; | |
2133 | lport = atoi(portp); | |
bebe6398 | 2134 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2135 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2136 | return 1; |
2137 | } | |
bebe6398 | 2138 | } |
76867621 | 2139 | } |
bebe6398 | 2140 | |
76867621 JA |
2141 | if (lport) |
2142 | *port = lport; | |
bebe6398 | 2143 | |
76867621 JA |
2144 | if (!strlen(host)) |
2145 | return 0; | |
bebe6398 | 2146 | |
76867621 | 2147 | *ptr = strdup(host); |
811826be | 2148 | |
3aa3ceeb | 2149 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2150 | free(*ptr); |
2151 | *ptr = NULL; | |
2152 | return 1; | |
bebe6398 JA |
2153 | } |
2154 | ||
2155 | if (*port == 0) | |
2156 | *port = fio_net_port; | |
2157 | ||
2158 | return 0; | |
2159 | } | |
2160 | ||
87aa8f19 JA |
2161 | /* |
2162 | * Server arg should be one of: | |
2163 | * | |
2164 | * sock:/path/to/socket | |
2165 | * ip:1.2.3.4 | |
2166 | * 1.2.3.4 | |
2167 | * | |
2168 | * Where sock uses unix domain sockets, and ip binds the server to | |
2169 | * a specific interface. If no arguments are given to the server, it | |
2170 | * uses IP and binds to 0.0.0.0. | |
2171 | * | |
2172 | */ | |
2173 | static int fio_handle_server_arg(void) | |
2174 | { | |
6d2cf394 | 2175 | int port = fio_net_port; |
a7de0a11 | 2176 | int is_sock, ret = 0; |
bebe6398 | 2177 | |
87aa8f19 JA |
2178 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2179 | ||
2180 | if (!fio_server_arg) | |
a7de0a11 | 2181 | goto out; |
87aa8f19 | 2182 | |
4e5b8fb8 | 2183 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2184 | &port, &saddr_in.sin_addr, |
2185 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2186 | |
2187 | if (!is_sock && bind_sock) { | |
2188 | free(bind_sock); | |
2189 | bind_sock = NULL; | |
2190 | } | |
2191 | ||
a7de0a11 | 2192 | out: |
6d2cf394 JA |
2193 | fio_net_port = port; |
2194 | saddr_in.sin_port = htons(port); | |
811826be | 2195 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2196 | return ret; |
87aa8f19 JA |
2197 | } |
2198 | ||
43cdea1d JA |
2199 | static void sig_int(int sig) |
2200 | { | |
2201 | if (bind_sock) | |
2202 | unlink(bind_sock); | |
2203 | } | |
2204 | ||
2205 | static void set_sig_handlers(void) | |
2206 | { | |
2207 | struct sigaction act; | |
2208 | ||
2209 | memset(&act, 0, sizeof(act)); | |
2210 | act.sa_handler = sig_int; | |
2211 | act.sa_flags = SA_RESTART; | |
2212 | sigaction(SIGINT, &act, NULL); | |
2213 | } | |
2214 | ||
518a1cf0 JA |
2215 | void fio_server_destroy_sk_key(void) |
2216 | { | |
2217 | pthread_key_delete(sk_out_key); | |
2218 | } | |
2219 | ||
3d80c735 | 2220 | int fio_server_create_sk_key(void) |
87aa8f19 | 2221 | { |
9c003782 JA |
2222 | if (pthread_key_create(&sk_out_key, NULL)) { |
2223 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2224 | return 1; |
9c003782 JA |
2225 | } |
2226 | ||
2227 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2228 | return 0; |
2229 | } | |
2230 | ||
2231 | static int fio_server(void) | |
2232 | { | |
2233 | int sk, ret; | |
9c003782 | 2234 | |
87aa8f19 JA |
2235 | dprint(FD_NET, "starting server\n"); |
2236 | ||
2237 | if (fio_handle_server_arg()) | |
2238 | return -1; | |
2239 | ||
2240 | sk = fio_init_server_connection(); | |
2241 | if (sk < 0) | |
2242 | return -1; | |
81179eec | 2243 | |
43cdea1d JA |
2244 | set_sig_handlers(); |
2245 | ||
ea1cd038 | 2246 | ret = accept_loop(sk); |
87aa8f19 | 2247 | |
81179eec | 2248 | close(sk); |
87aa8f19 JA |
2249 | |
2250 | if (fio_server_arg) { | |
2251 | free(fio_server_arg); | |
2252 | fio_server_arg = NULL; | |
2253 | } | |
bebe6398 JA |
2254 | if (bind_sock) |
2255 | free(bind_sock); | |
87aa8f19 | 2256 | |
81179eec JA |
2257 | return ret; |
2258 | } | |
2259 | ||
7b821684 | 2260 | void fio_server_got_signal(int signal) |
9abea48b | 2261 | { |
f77d4b73 JA |
2262 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2263 | ||
2264 | assert(sk_out); | |
2265 | ||
7b821684 | 2266 | if (signal == SIGPIPE) |
f77d4b73 | 2267 | sk_out->sk = -1; |
7b821684 JA |
2268 | else { |
2269 | log_info("\nfio: terminating on signal %d\n", signal); | |
2270 | exit_backend = 1; | |
2271 | } | |
9abea48b JA |
2272 | } |
2273 | ||
13755d94 JA |
2274 | static int check_existing_pidfile(const char *pidfile) |
2275 | { | |
2276 | struct stat sb; | |
2277 | char buf[16]; | |
2278 | pid_t pid; | |
2279 | FILE *f; | |
2280 | ||
2281 | if (stat(pidfile, &sb)) | |
2282 | return 0; | |
2283 | ||
2284 | f = fopen(pidfile, "r"); | |
2285 | if (!f) | |
2286 | return 0; | |
2287 | ||
bfc3b179 | 2288 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2289 | fclose(f); |
2290 | return 1; | |
2291 | } | |
2292 | fclose(f); | |
2293 | ||
2294 | pid = atoi(buf); | |
2295 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2296 | return errno != ESRCH; |
13755d94 JA |
2297 | |
2298 | return 1; | |
2299 | } | |
2300 | ||
2301 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2302 | { |
2303 | FILE *fpid; | |
2304 | ||
2305 | fpid = fopen(pidfile, "w"); | |
2306 | if (!fpid) { | |
2307 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2308 | return 1; |
402668f3 JA |
2309 | } |
2310 | ||
2311 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2312 | fclose(fpid); |
2313 | return 0; | |
402668f3 JA |
2314 | } |
2315 | ||
2316 | /* | |
2317 | * If pidfile is specified, background us. | |
2318 | */ | |
2319 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2320 | { |
2321 | pid_t pid; | |
402668f3 | 2322 | int ret; |
e46d8091 | 2323 | |
93bcfd20 | 2324 | #if defined(WIN32) |
905c78b9 | 2325 | WSADATA wsd; |
3c3ed070 | 2326 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2327 | #endif |
2328 | ||
402668f3 | 2329 | if (!pidfile) |
e46d8091 JA |
2330 | return fio_server(); |
2331 | ||
13755d94 JA |
2332 | if (check_existing_pidfile(pidfile)) { |
2333 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2334 | pidfile); | |
b8ba87ac | 2335 | free(pidfile); |
13755d94 JA |
2336 | return -1; |
2337 | } | |
2338 | ||
e46d8091 JA |
2339 | pid = fork(); |
2340 | if (pid < 0) { | |
13755d94 | 2341 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2342 | free(pidfile); |
c28e8e8c | 2343 | return -1; |
402668f3 | 2344 | } else if (pid) { |
8a1db9a1 | 2345 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2346 | free(pidfile); |
44c8268d | 2347 | _exit(ret); |
402668f3 | 2348 | } |
e46d8091 JA |
2349 | |
2350 | setsid(); | |
13755d94 JA |
2351 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2352 | log_syslog = 1; | |
e46d8091 JA |
2353 | close(STDIN_FILENO); |
2354 | close(STDOUT_FILENO); | |
2355 | close(STDERR_FILENO); | |
2356 | f_out = NULL; | |
2357 | f_err = NULL; | |
402668f3 JA |
2358 | |
2359 | ret = fio_server(); | |
2360 | ||
2361 | closelog(); | |
2362 | unlink(pidfile); | |
2363 | free(pidfile); | |
2364 | return ret; | |
e46d8091 | 2365 | } |
87aa8f19 | 2366 | |
bebe6398 | 2367 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2368 | { |
2369 | fio_server_arg = strdup(arg); | |
2370 | } |