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 | ||
132159a5 JA |
327 | return 0; |
328 | } | |
329 | ||
a64e88da JA |
330 | /* |
331 | * Read (and defragment, if necessary) incoming commands | |
332 | */ | |
54e62ad4 | 333 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 334 | { |
dfbf1f6f | 335 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 336 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 337 | uint16_t crc; |
a64e88da JA |
338 | int ret, first = 1; |
339 | void *pdu = NULL; | |
132159a5 | 340 | |
a64e88da | 341 | do { |
54e62ad4 | 342 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
343 | if (ret) |
344 | break; | |
132159a5 | 345 | |
a64e88da JA |
346 | /* We have a command, verify it and swap if need be */ |
347 | ret = verify_convert_cmd(&cmd); | |
348 | if (ret) | |
349 | break; | |
132159a5 | 350 | |
0b8f30a5 JA |
351 | if (first) { |
352 | /* if this is text, add room for \0 at the end */ | |
353 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
354 | assert(!cmdret); | |
355 | } else | |
a64e88da | 356 | cmd_size += cmd.pdu_len; |
132159a5 | 357 | |
dfbf1f6f JA |
358 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
359 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
360 | ret = 1; | |
361 | break; | |
362 | } | |
363 | ||
364 | tmp = realloc(cmdret, cmd_size); | |
365 | if (!tmp) { | |
366 | log_err("fio: server failed allocating cmd\n"); | |
367 | ret = 1; | |
368 | break; | |
369 | } | |
370 | cmdret = tmp; | |
132159a5 | 371 | |
a64e88da JA |
372 | if (first) |
373 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
374 | else if (cmdret->opcode != cmd.opcode) { |
375 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
376 | cmdret->opcode, cmd.opcode); | |
377 | ret = 1; | |
378 | break; | |
379 | } | |
a64e88da JA |
380 | |
381 | if (!cmd.pdu_len) | |
382 | break; | |
383 | ||
384 | /* There's payload, get it */ | |
385 | pdu = (void *) cmdret->payload + pdu_offset; | |
54e62ad4 | 386 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
387 | if (ret) |
388 | break; | |
389 | ||
390 | /* Verify payload crc */ | |
25dfa848 | 391 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
392 | if (crc != cmd.pdu_crc16) { |
393 | log_err("fio: server bad crc on payload "); | |
394 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
395 | ret = 1; | |
396 | break; | |
397 | } | |
398 | ||
399 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
400 | if (!first) |
401 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
402 | first = 0; |
403 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 404 | |
a64e88da JA |
405 | if (ret) { |
406 | free(cmdret); | |
407 | cmdret = NULL; | |
0b8f30a5 JA |
408 | } else if (cmdret) { |
409 | /* zero-terminate text input */ | |
084d1c6f JA |
410 | if (cmdret->pdu_len) { |
411 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
412 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
413 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 414 | |
8a1db9a1 | 415 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 416 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
417 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
418 | char *buf = (char *) __pdu->buf; | |
419 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 420 | |
46bcd498 | 421 | buf[len] = '\0'; |
084d1c6f | 422 | } |
0b8f30a5 | 423 | } |
084d1c6f | 424 | |
0b8f30a5 | 425 | /* frag flag is internal */ |
a64e88da | 426 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 427 | } |
a64e88da JA |
428 | |
429 | return cmdret; | |
132159a5 JA |
430 | } |
431 | ||
40c60516 JA |
432 | static void add_reply(uint64_t tag, struct flist_head *list) |
433 | { | |
a572bbfb | 434 | struct fio_net_cmd_reply *reply; |
40c60516 | 435 | |
a572bbfb | 436 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
437 | flist_add_tail(&reply->list, list); |
438 | } | |
439 | ||
440 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
441 | { | |
442 | struct fio_net_cmd_reply *reply; | |
443 | ||
444 | reply = calloc(1, sizeof(*reply)); | |
445 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 446 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
447 | reply->saved_tag = tag; |
448 | reply->opcode = opcode; | |
449 | ||
450 | return (uintptr_t) reply; | |
451 | } | |
452 | ||
453 | static void free_reply(uint64_t tag) | |
454 | { | |
a572bbfb | 455 | struct fio_net_cmd_reply *reply; |
40c60516 | 456 | |
a572bbfb | 457 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
458 | free(reply); |
459 | } | |
460 | ||
9d2c74d7 | 461 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
462 | { |
463 | uint32_t pdu_len; | |
464 | ||
25dfa848 | 465 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
466 | |
467 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
468 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
469 | } | |
470 | ||
9d2c74d7 | 471 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
472 | { |
473 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
474 | } |
475 | ||
af9c9fb3 | 476 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 477 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 478 | { |
7f868316 JA |
479 | struct fio_net_cmd *cmd = NULL; |
480 | size_t this_len, cur_len = 0; | |
40c60516 | 481 | uint64_t tag; |
794d69ca JA |
482 | int ret; |
483 | ||
40c60516 JA |
484 | if (list) { |
485 | assert(tagptr); | |
486 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
487 | } else | |
488 | tag = tagptr ? *tagptr : 0; | |
489 | ||
794d69ca JA |
490 | do { |
491 | this_len = size; | |
b9d2f30a JA |
492 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
493 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 494 | |
7f868316 JA |
495 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
496 | if (cmd) | |
497 | free(cmd); | |
498 | ||
499 | cur_len = sizeof(*cmd) + this_len; | |
500 | cmd = malloc(cur_len); | |
501 | } | |
794d69ca | 502 | |
af9c9fb3 | 503 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
504 | |
505 | if (this_len < size) | |
ddcc0b69 | 506 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
507 | |
508 | fio_net_cmd_crc(cmd); | |
509 | ||
510 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
511 | size -= this_len; |
512 | buf += this_len; | |
513 | } while (!ret && size); | |
514 | ||
40c60516 JA |
515 | if (list) { |
516 | if (ret) | |
517 | free_reply(tag); | |
518 | else | |
519 | add_reply(tag, list); | |
520 | } | |
521 | ||
7f868316 JA |
522 | if (cmd) |
523 | free(cmd); | |
524 | ||
794d69ca JA |
525 | return ret; |
526 | } | |
527 | ||
0cba0f91 JA |
528 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
529 | size_t size, uint64_t *tagptr, | |
530 | int flags) | |
f77d4b73 | 531 | { |
f77d4b73 JA |
532 | struct sk_entry *entry; |
533 | ||
534 | entry = smalloc(sizeof(*entry)); | |
02594e37 | 535 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
536 | entry->opcode = opcode; |
537 | if (flags & SK_F_COPY) { | |
538 | entry->buf = smalloc(size); | |
539 | memcpy(entry->buf, buf, size); | |
540 | } else | |
541 | entry->buf = buf; | |
bead01d7 | 542 | |
f77d4b73 | 543 | entry->size = size; |
28c7bcdf JA |
544 | if (tagptr) |
545 | entry->tag = *tagptr; | |
546 | else | |
547 | entry->tag = 0; | |
f77d4b73 | 548 | entry->flags = flags; |
02594e37 JA |
549 | return entry; |
550 | } | |
551 | ||
bead01d7 JA |
552 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
553 | ||
02594e37 JA |
554 | static void fio_net_queue_entry(struct sk_entry *entry) |
555 | { | |
556 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
557 | ||
bead01d7 JA |
558 | if (entry->flags & SK_F_INLINE) |
559 | handle_sk_entry(sk_out, entry); | |
560 | else { | |
561 | sk_lock(sk_out); | |
562 | flist_add_tail(&entry->list, &sk_out->list); | |
563 | sk_unlock(sk_out); | |
f77d4b73 | 564 | |
bead01d7 JA |
565 | fio_mutex_up(&sk_out->wait); |
566 | } | |
02594e37 | 567 | } |
f77d4b73 | 568 | |
02594e37 JA |
569 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
570 | uint64_t *tagptr, int flags) | |
571 | { | |
572 | struct sk_entry *entry; | |
573 | ||
574 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
575 | fio_net_queue_entry(entry); | |
f77d4b73 JA |
576 | return 0; |
577 | } | |
578 | ||
89c1707c | 579 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 580 | { |
178cde9f | 581 | struct fio_net_cmd cmd; |
132159a5 | 582 | |
af9c9fb3 | 583 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
584 | fio_net_cmd_crc(&cmd); |
585 | ||
586 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
587 | } | |
588 | ||
89c1707c JA |
589 | /* |
590 | * If 'list' is non-NULL, then allocate and store the sent command for | |
591 | * later verification. | |
592 | */ | |
593 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
594 | struct flist_head *list) | |
595 | { | |
89c1707c JA |
596 | int ret; |
597 | ||
40c60516 JA |
598 | if (list) |
599 | tag = alloc_reply(tag, opcode); | |
89c1707c | 600 | |
40c60516 | 601 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 602 | if (ret) { |
40c60516 JA |
603 | if (list) |
604 | free_reply(tag); | |
605 | ||
89c1707c JA |
606 | return ret; |
607 | } | |
608 | ||
40c60516 JA |
609 | if (list) |
610 | add_reply(tag, list); | |
611 | ||
89c1707c JA |
612 | return 0; |
613 | } | |
614 | ||
f77d4b73 JA |
615 | static int fio_net_queue_quit(void) |
616 | { | |
617 | dprint(FD_NET, "server: sending quit\n"); | |
618 | ||
619 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE); | |
620 | } | |
621 | ||
122c7725 | 622 | int fio_net_send_quit(int sk) |
437377e1 | 623 | { |
46c48f1f | 624 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 625 | |
8c95307b | 626 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
627 | } |
628 | ||
f77d4b73 | 629 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 630 | { |
11e950bd | 631 | struct cmd_end_pdu epdu; |
f58bd2a4 | 632 | uint64_t tag = 0; |
122c7725 | 633 | |
f58bd2a4 JA |
634 | if (cmd) |
635 | tag = cmd->tag; | |
122c7725 JA |
636 | |
637 | epdu.error = __cpu_to_le32(error); | |
638 | epdu.signal = __cpu_to_le32(signal); | |
f77d4b73 | 639 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
640 | } |
641 | ||
f77d4b73 | 642 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
643 | { |
644 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 645 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
646 | } |
647 | ||
648 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
649 | { | |
650 | struct fio_fork_item *ffi; | |
651 | ||
652 | ffi = malloc(sizeof(*ffi)); | |
653 | ffi->exitval = 0; | |
654 | ffi->signal = 0; | |
655 | ffi->exited = 0; | |
656 | ffi->pid = pid; | |
657 | flist_add_tail(&ffi->list, list); | |
658 | } | |
659 | ||
6348b5de | 660 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 661 | { |
a7533dbd | 662 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 663 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
664 | } |
665 | ||
6348b5de | 666 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 667 | { |
a7533dbd | 668 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 669 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
670 | } |
671 | ||
672 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
673 | { | |
674 | int ret, status; | |
675 | ||
676 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
677 | if (ret < 0) { | |
678 | if (errno == ECHILD) { | |
a7533dbd | 679 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
680 | ffi->exited = 1; |
681 | } else | |
682 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
683 | } else if (ret == ffi->pid) { | |
684 | if (WIFSIGNALED(status)) { | |
685 | ffi->signal = WTERMSIG(status); | |
686 | ffi->exited = 1; | |
687 | } | |
688 | if (WIFEXITED(status)) { | |
689 | if (WEXITSTATUS(status)) | |
690 | ffi->exitval = WEXITSTATUS(status); | |
691 | ffi->exited = 1; | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
f77d4b73 | 696 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 697 | { |
a7533dbd | 698 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
699 | |
700 | /* | |
701 | * Fold STOP and QUIT... | |
702 | */ | |
f77d4b73 JA |
703 | if (stop) { |
704 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
705 | fio_net_queue_quit(); | |
706 | } | |
707 | ||
122c7725 JA |
708 | flist_del(&ffi->list); |
709 | free(ffi); | |
710 | } | |
711 | ||
f77d4b73 | 712 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
713 | { |
714 | struct flist_head *entry, *tmp; | |
715 | struct fio_fork_item *ffi; | |
716 | ||
717 | flist_for_each_safe(entry, tmp, list) { | |
718 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
719 | ||
720 | fio_server_check_fork_item(ffi); | |
721 | ||
722 | if (ffi->exited) | |
f77d4b73 | 723 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
724 | } |
725 | } | |
726 | ||
6348b5de | 727 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 728 | { |
f77d4b73 | 729 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
730 | } |
731 | ||
6348b5de | 732 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 733 | { |
f77d4b73 | 734 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
735 | } |
736 | ||
323255cc JA |
737 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
738 | { | |
739 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
740 | void *file_name = pdu->file; | |
741 | struct cmd_start_pdu spdu; | |
742 | ||
743 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
744 | ||
745 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
746 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
747 | ||
748 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 749 | fio_net_queue_quit(); |
323255cc JA |
750 | return -1; |
751 | } | |
752 | ||
753 | spdu.jobs = cpu_to_le32(thread_number); | |
754 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 755 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
756 | return 0; |
757 | } | |
758 | ||
f77d4b73 JA |
759 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
760 | struct fio_net_cmd *cmd) | |
122c7725 JA |
761 | { |
762 | pid_t pid; | |
a64e88da | 763 | int ret; |
132159a5 | 764 | |
c0d3245a JA |
765 | sk_out_assign(sk_out); |
766 | ||
cbb1303c | 767 | fio_time_init(); |
122c7725 | 768 | set_genesis_time(); |
11e950bd | 769 | |
122c7725 JA |
770 | pid = fork(); |
771 | if (pid) { | |
6348b5de | 772 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
773 | return 0; |
774 | } | |
11e950bd | 775 | |
24660963 | 776 | ret = fio_backend(sk_out); |
2bb3f0a7 | 777 | free_threads_shm(); |
c0d3245a | 778 | sk_out_drop(); |
122c7725 | 779 | _exit(ret); |
81179eec JA |
780 | } |
781 | ||
b9d2f30a JA |
782 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
783 | { | |
46bcd498 JA |
784 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
785 | void *buf = pdu->buf; | |
b9d2f30a JA |
786 | struct cmd_start_pdu spdu; |
787 | ||
46bcd498 JA |
788 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
789 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
790 | ||
791 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 792 | fio_net_queue_quit(); |
b9d2f30a JA |
793 | return -1; |
794 | } | |
795 | ||
796 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 797 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
798 | |
799 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
800 | return 0; |
801 | } | |
802 | ||
81179eec JA |
803 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
804 | { | |
fa2ea806 JA |
805 | void *pdu = cmd->payload; |
806 | struct cmd_single_line_pdu *cslp; | |
807 | struct cmd_line_pdu *clp; | |
808 | unsigned long offset; | |
b9d2f30a | 809 | struct cmd_start_pdu spdu; |
fa2ea806 | 810 | char **argv; |
b9d2f30a | 811 | int i; |
81179eec | 812 | |
fa2ea806 JA |
813 | clp = pdu; |
814 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 815 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
816 | argv = malloc(clp->lines * sizeof(char *)); |
817 | offset = sizeof(*clp); | |
81179eec | 818 | |
fa2ea806 | 819 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 820 | |
fa2ea806 JA |
821 | for (i = 0; i < clp->lines; i++) { |
822 | cslp = pdu + offset; | |
823 | argv[i] = (char *) cslp->text; | |
824 | ||
825 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
826 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
827 | } | |
81179eec | 828 | |
46bcd498 | 829 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 830 | fio_net_queue_quit(); |
fa2ea806 | 831 | free(argv); |
81179eec | 832 | return -1; |
e6d1c668 | 833 | } |
81179eec | 834 | |
fa2ea806 JA |
835 | free(argv); |
836 | ||
b9d2f30a | 837 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 838 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
839 | |
840 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 841 | return 0; |
132159a5 JA |
842 | } |
843 | ||
c28e8e8c JA |
844 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
845 | { | |
3989b143 JA |
846 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
847 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 848 | uint64_t tag = cmd->tag; |
c28e8e8c | 849 | |
89c1707c JA |
850 | dprint(FD_NET, "server: sending probe reply\n"); |
851 | ||
ca09be4b JA |
852 | strcpy(me, (char *) pdu->server); |
853 | ||
c28e8e8c JA |
854 | memset(&probe, 0, sizeof(probe)); |
855 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 856 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
857 | probe.bigendian = 1; |
858 | #endif | |
750db473 | 859 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 860 | |
cca84643 JA |
861 | probe.os = FIO_OS; |
862 | probe.arch = FIO_ARCH; | |
38fdef22 | 863 | probe.bpp = sizeof(void *); |
d31e26d0 | 864 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
865 | |
866 | /* | |
867 | * If the client supports compression and we do too, then enable it | |
868 | */ | |
869 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
870 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
871 | use_zlib = 1; | |
872 | } else { | |
873 | probe.flags = 0; | |
874 | use_zlib = 0; | |
875 | } | |
38fdef22 | 876 | |
f77d4b73 | 877 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
878 | } |
879 | ||
880 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
881 | { | |
882 | struct jobs_eta *je; | |
40c60516 | 883 | uint64_t tag = cmd->tag; |
723297c9 | 884 | size_t size; |
af9c9fb3 JA |
885 | int i; |
886 | ||
e123c833 JA |
887 | dprint(FD_NET, "server sending status\n"); |
888 | ||
889 | /* | |
890 | * Fake ETA return if we don't have a local one, otherwise the client | |
891 | * will end up timing out waiting for a response to the ETA request | |
892 | */ | |
c5103619 | 893 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
894 | if (!je) { |
895 | size = sizeof(*je); | |
896 | je = calloc(1, size); | |
897 | } else { | |
e123c833 JA |
898 | je->nr_running = cpu_to_le32(je->nr_running); |
899 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
900 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
901 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
902 | je->files_open = cpu_to_le32(je->files_open); | |
903 | ||
904 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
905 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
906 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
907 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
908 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
909 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
910 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
911 | } | |
af9c9fb3 | 912 | |
e123c833 JA |
913 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
914 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
915 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
916 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
917 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
918 | } |
919 | ||
f77d4b73 | 920 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 921 | return 0; |
c28e8e8c JA |
922 | } |
923 | ||
f77d4b73 | 924 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
925 | { |
926 | uint64_t tag = __tag; | |
927 | uint32_t pdu_error; | |
928 | ||
929 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 930 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
931 | } |
932 | ||
f58bd2a4 JA |
933 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
934 | { | |
935 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
936 | struct thread_data *td; | |
937 | uint32_t tnumber; | |
938 | ||
939 | tnumber = le32_to_cpu(pdu->thread_number); | |
940 | ||
941 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
942 | ||
30ffacbf | 943 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 944 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
945 | return 0; |
946 | } | |
947 | ||
30ffacbf | 948 | td = &threads[tnumber - 1]; |
f58bd2a4 | 949 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 950 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
951 | return 0; |
952 | } | |
953 | ||
ca09be4b JA |
954 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
955 | { | |
956 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
957 | char *buf = (char *) pdu->cmd; | |
958 | struct all_io_list *rep; | |
959 | size_t sz; | |
960 | ||
961 | pdu->len = le16_to_cpu(pdu->len); | |
962 | buf[pdu->len] = '\0'; | |
963 | ||
964 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
965 | if (!rep) { | |
966 | struct all_io_list state; | |
967 | ||
968 | state.threads = cpu_to_le64((uint64_t) 0); | |
f77d4b73 JA |
969 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY); |
970 | } else | |
971 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE); | |
ca09be4b JA |
972 | |
973 | exec_trigger(buf); | |
974 | return 0; | |
975 | } | |
976 | ||
f77d4b73 JA |
977 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
978 | struct fio_net_cmd *cmd) | |
132159a5 JA |
979 | { |
980 | int ret; | |
981 | ||
4b91ee8f JA |
982 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
983 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
984 | (unsigned long long) cmd->tag); | |
46c48f1f | 985 | |
132159a5 JA |
986 | switch (cmd->opcode) { |
987 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 988 | fio_terminate_threads(TERMINATE_ALL); |
f77d4b73 JA |
989 | ret = 0; |
990 | break; | |
d7959186 | 991 | case FIO_NET_CMD_EXIT: |
132159a5 | 992 | exit_backend = 1; |
c28e8e8c | 993 | return -1; |
323255cc JA |
994 | case FIO_NET_CMD_LOAD_FILE: |
995 | ret = handle_load_file_cmd(cmd); | |
996 | break; | |
132159a5 | 997 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 998 | ret = handle_job_cmd(cmd); |
132159a5 | 999 | break; |
81179eec JA |
1000 | case FIO_NET_CMD_JOBLINE: |
1001 | ret = handle_jobline_cmd(cmd); | |
1002 | break; | |
c28e8e8c JA |
1003 | case FIO_NET_CMD_PROBE: |
1004 | ret = handle_probe_cmd(cmd); | |
1005 | break; | |
af9c9fb3 JA |
1006 | case FIO_NET_CMD_SEND_ETA: |
1007 | ret = handle_send_eta_cmd(cmd); | |
1008 | break; | |
b9d2f30a | 1009 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1010 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1011 | break; |
f58bd2a4 JA |
1012 | case FIO_NET_CMD_UPDATE_JOB: |
1013 | ret = handle_update_job_cmd(cmd); | |
1014 | break; | |
ca09be4b JA |
1015 | case FIO_NET_CMD_VTRIGGER: |
1016 | ret = handle_trigger_cmd(cmd); | |
1017 | break; | |
1018 | case FIO_NET_CMD_SENDFILE: { | |
1019 | struct cmd_sendfile_reply *in; | |
1020 | struct cmd_reply *rep; | |
1021 | ||
1022 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1023 | ||
1024 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1025 | in->size = le32_to_cpu(in->size); | |
1026 | in->error = le32_to_cpu(in->error); | |
1027 | if (in->error) { | |
1028 | ret = 1; | |
1029 | rep->error = in->error; | |
1030 | } else { | |
1031 | ret = 0; | |
1032 | rep->data = smalloc(in->size); | |
1033 | if (!rep->data) { | |
1034 | ret = 1; | |
1035 | rep->error = ENOMEM; | |
1036 | } else { | |
1037 | rep->size = in->size; | |
1038 | memcpy(rep->data, in->data, in->size); | |
1039 | } | |
1040 | } | |
1041 | fio_mutex_up(&rep->lock); | |
1042 | break; | |
1043 | } | |
132159a5 | 1044 | default: |
3c3ed070 | 1045 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1046 | ret = 1; |
1047 | } | |
1048 | ||
1049 | return ret; | |
1050 | } | |
1051 | ||
02594e37 JA |
1052 | /* |
1053 | * Send a command with a separate PDU, not inlined in the command | |
1054 | */ | |
1055 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1056 | off_t size, uint64_t tag, uint32_t flags) | |
1057 | { | |
1058 | struct fio_net_cmd cmd; | |
1059 | struct iovec iov[2]; | |
1060 | ||
1061 | iov[0].iov_base = (void *) &cmd; | |
1062 | iov[0].iov_len = sizeof(cmd); | |
1063 | iov[1].iov_base = (void *) buf; | |
1064 | iov[1].iov_len = size; | |
1065 | ||
1066 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1067 | cmd.flags = __cpu_to_le32(flags); | |
1068 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1069 | ||
1070 | return fio_sendv_data(sk, iov, 2); | |
1071 | } | |
1072 | ||
1073 | static void finish_entry(struct sk_entry *entry) | |
1074 | { | |
1075 | if (entry->flags & SK_F_FREE) | |
1076 | free(entry->buf); | |
1077 | else if (entry->flags & SK_F_COPY) | |
1078 | sfree(entry->buf); | |
1079 | ||
1080 | sfree(entry); | |
1081 | } | |
1082 | ||
ba1891d2 JA |
1083 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1084 | unsigned int *flags) | |
02594e37 | 1085 | { |
b3882320 JA |
1086 | if (!flist_empty(list)) |
1087 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1088 | else |
b3882320 | 1089 | *flags = 0; |
b3882320 | 1090 | } |
02594e37 | 1091 | |
b3882320 JA |
1092 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1093 | { | |
1094 | unsigned int flags; | |
b3882320 JA |
1095 | int ret; |
1096 | ||
ba1891d2 | 1097 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1098 | |
ba1891d2 JA |
1099 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1100 | first->size, first->tag, flags); | |
02594e37 JA |
1101 | |
1102 | while (!flist_empty(&first->next)) { | |
1103 | struct sk_entry *next; | |
1104 | ||
1105 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1106 | flist_del_init(&next->list); | |
02594e37 | 1107 | |
ba1891d2 | 1108 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1109 | |
ba1891d2 JA |
1110 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1111 | next->size, next->tag, flags); | |
02594e37 JA |
1112 | finish_entry(next); |
1113 | } | |
b3882320 JA |
1114 | |
1115 | return ret; | |
02594e37 JA |
1116 | } |
1117 | ||
b3882320 | 1118 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1119 | { |
b3882320 JA |
1120 | int ret; |
1121 | ||
bead01d7 JA |
1122 | fio_mutex_down(&sk_out->xmit); |
1123 | ||
02594e37 | 1124 | if (entry->flags & SK_F_VEC) |
b3882320 | 1125 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1126 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1127 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1128 | entry->tag, NULL); | |
dfc8e76c JA |
1129 | } else { |
1130 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1131 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1132 | } |
b3882320 | 1133 | |
bead01d7 JA |
1134 | fio_mutex_up(&sk_out->xmit); |
1135 | ||
b3882320 JA |
1136 | if (ret) |
1137 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1138 | |
02594e37 | 1139 | finish_entry(entry); |
b3882320 | 1140 | return ret; |
f77d4b73 JA |
1141 | } |
1142 | ||
b3882320 | 1143 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1144 | { |
1145 | struct sk_entry *entry; | |
1146 | FLIST_HEAD(list); | |
b3882320 | 1147 | int ret = 0; |
f77d4b73 JA |
1148 | |
1149 | sk_lock(sk_out); | |
1150 | if (flist_empty(&sk_out->list)) { | |
1151 | sk_unlock(sk_out); | |
b3882320 | 1152 | return 0; |
f77d4b73 JA |
1153 | } |
1154 | ||
1155 | flist_splice_init(&sk_out->list, &list); | |
1156 | sk_unlock(sk_out); | |
1157 | ||
1158 | while (!flist_empty(&list)) { | |
1159 | entry = flist_entry(list.next, struct sk_entry, list); | |
1160 | flist_del(&entry->list); | |
b3882320 | 1161 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1162 | } |
b3882320 JA |
1163 | |
1164 | return ret; | |
f77d4b73 JA |
1165 | } |
1166 | ||
1167 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1168 | { |
1169 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1170 | FLIST_HEAD(job_list); |
132159a5 JA |
1171 | int ret = 0; |
1172 | ||
122c7725 | 1173 | reset_fio_state(); |
122c7725 | 1174 | |
132159a5 JA |
1175 | /* read forever */ |
1176 | while (!exit_backend) { | |
e951bdc4 | 1177 | struct pollfd pfd = { |
f77d4b73 | 1178 | .fd = sk_out->sk, |
e951bdc4 JA |
1179 | .events = POLLIN, |
1180 | }; | |
1181 | ||
1182 | ret = 0; | |
1183 | do { | |
54163255 JA |
1184 | int timeout = 1000; |
1185 | ||
1186 | if (!flist_empty(&job_list)) | |
1187 | timeout = 100; | |
3c3ed070 | 1188 | |
f77d4b73 JA |
1189 | handle_xmits(sk_out); |
1190 | ||
1191 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1192 | if (ret < 0) { |
1193 | if (errno == EINTR) | |
1194 | break; | |
1195 | log_err("fio: poll: %s\n", strerror(errno)); | |
1196 | break; | |
19c65179 | 1197 | } else if (!ret) { |
6348b5de | 1198 | fio_server_check_jobs(&job_list); |
bead01d7 | 1199 | fio_mutex_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1200 | continue; |
19c65179 | 1201 | } |
e951bdc4 JA |
1202 | |
1203 | if (pfd.revents & POLLIN) | |
1204 | break; | |
1205 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1206 | ret = 1; | |
1207 | break; | |
1208 | } | |
19c65179 | 1209 | } while (!exit_backend); |
e951bdc4 | 1210 | |
6348b5de | 1211 | fio_server_check_jobs(&job_list); |
122c7725 | 1212 | |
e951bdc4 JA |
1213 | if (ret < 0) |
1214 | break; | |
1215 | ||
54e62ad4 | 1216 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1217 | if (!cmd) { |
c28e8e8c | 1218 | ret = -1; |
132159a5 JA |
1219 | break; |
1220 | } | |
1221 | ||
f77d4b73 | 1222 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1223 | if (ret) |
1224 | break; | |
1225 | ||
1226 | free(cmd); | |
c77a99e7 | 1227 | cmd = NULL; |
132159a5 JA |
1228 | } |
1229 | ||
1230 | if (cmd) | |
1231 | free(cmd); | |
1232 | ||
f77d4b73 JA |
1233 | handle_xmits(sk_out); |
1234 | ||
1235 | close(sk_out->sk); | |
0ae6acea | 1236 | sk_out->sk = -1; |
bce503fc | 1237 | __sk_out_drop(sk_out); |
122c7725 | 1238 | _exit(ret); |
cc0df00a JA |
1239 | } |
1240 | ||
296ab20a BE |
1241 | /* get the address on this host bound by the input socket, |
1242 | * whether it is ipv6 or ipv4 */ | |
1243 | ||
9d2c74d7 | 1244 | static int get_my_addr_str(int sk) |
296ab20a | 1245 | { |
f77d4b73 JA |
1246 | struct sockaddr_in6 myaddr6 = { 0, }; |
1247 | struct sockaddr_in myaddr4 = { 0, }; | |
1248 | struct sockaddr *sockaddr_p; | |
1249 | char *net_addr; | |
1250 | socklen_t len; | |
1251 | int ret; | |
296ab20a | 1252 | |
f77d4b73 JA |
1253 | if (use_ipv6) { |
1254 | len = sizeof(myaddr6); | |
296ab20a | 1255 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1256 | net_addr = (char * )&myaddr6.sin6_addr; |
1257 | } else { | |
1258 | len = sizeof(myaddr4); | |
296ab20a | 1259 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1260 | net_addr = (char * )&myaddr4.sin_addr; |
1261 | } | |
1262 | ||
296ab20a BE |
1263 | ret = getsockname(sk, sockaddr_p, &len); |
1264 | if (ret) { | |
1265 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
1266 | return -1; |
1267 | } | |
f77d4b73 JA |
1268 | |
1269 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1270 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1271 | return -1; |
1272 | } | |
f77d4b73 | 1273 | |
296ab20a BE |
1274 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1275 | return 0; | |
1276 | } | |
1277 | ||
ea1cd038 | 1278 | static int accept_loop(int listen_sk) |
50d16976 | 1279 | { |
bb447a27 | 1280 | struct sockaddr_in addr; |
479471c4 JA |
1281 | struct sockaddr_in6 addr6; |
1282 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1283 | struct pollfd pfd; |
4a851614 | 1284 | int ret = 0, sk, exitval = 0; |
6348b5de | 1285 | FLIST_HEAD(conn_list); |
50d16976 | 1286 | |
60efd14e JA |
1287 | dprint(FD_NET, "server enter accept loop\n"); |
1288 | ||
4a851614 | 1289 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1290 | |
122c7725 | 1291 | while (!exit_backend) { |
ea1cd038 | 1292 | struct sk_out *sk_out; |
479471c4 JA |
1293 | const char *from; |
1294 | char buf[64]; | |
122c7725 | 1295 | pid_t pid; |
009b1be4 | 1296 | |
122c7725 JA |
1297 | pfd.fd = listen_sk; |
1298 | pfd.events = POLLIN; | |
1299 | do { | |
54163255 JA |
1300 | int timeout = 1000; |
1301 | ||
1302 | if (!flist_empty(&conn_list)) | |
1303 | timeout = 100; | |
1304 | ||
1305 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1306 | if (ret < 0) { |
1307 | if (errno == EINTR) | |
1308 | break; | |
1309 | log_err("fio: poll: %s\n", strerror(errno)); | |
1310 | break; | |
1311 | } else if (!ret) { | |
6348b5de | 1312 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1313 | continue; |
1314 | } | |
009b1be4 | 1315 | |
122c7725 JA |
1316 | if (pfd.revents & POLLIN) |
1317 | break; | |
1318 | } while (!exit_backend); | |
50d16976 | 1319 | |
6348b5de | 1320 | fio_server_check_conns(&conn_list); |
46c48f1f | 1321 | |
122c7725 JA |
1322 | if (exit_backend || ret < 0) |
1323 | break; | |
1324 | ||
479471c4 JA |
1325 | if (use_ipv6) |
1326 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1327 | else | |
1328 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1329 | ||
122c7725 JA |
1330 | if (sk < 0) { |
1331 | log_err("fio: accept: %s\n", strerror(errno)); | |
1332 | return -1; | |
1333 | } | |
37db14fe | 1334 | |
479471c4 JA |
1335 | if (use_ipv6) |
1336 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1337 | else | |
1338 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1339 | ||
1340 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1341 | |
bce503fc | 1342 | sk_out = smalloc(sizeof(*sk_out)); |
f77d4b73 | 1343 | sk_out->sk = sk; |
bce503fc | 1344 | INIT_FLIST_HEAD(&sk_out->list); |
bead01d7 JA |
1345 | __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED); |
1346 | __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED); | |
1347 | __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED); | |
f77d4b73 | 1348 | |
122c7725 JA |
1349 | pid = fork(); |
1350 | if (pid) { | |
1351 | close(sk); | |
6348b5de | 1352 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1353 | continue; |
1354 | } | |
5c341e9a | 1355 | |
0ae6acea JA |
1356 | /* if error, it's already logged, non-fatal */ |
1357 | get_my_addr_str(sk); | |
1358 | ||
1359 | /* | |
1360 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1361 | * since that function calls _exit() when done | |
1362 | */ | |
bce503fc | 1363 | sk_out_assign(sk_out); |
f77d4b73 | 1364 | handle_connection(sk_out); |
122c7725 | 1365 | } |
5c341e9a | 1366 | |
132159a5 | 1367 | return exitval; |
50d16976 JA |
1368 | } |
1369 | ||
084d1c6f | 1370 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1371 | { |
f77d4b73 | 1372 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1373 | struct cmd_text_pdu *pdu; |
1374 | unsigned int tlen; | |
1375 | struct timeval tv; | |
1376 | ||
f77d4b73 | 1377 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1378 | return -1; |
084d1c6f JA |
1379 | |
1380 | tlen = sizeof(*pdu) + len; | |
1381 | pdu = malloc(tlen); | |
1382 | ||
1383 | pdu->level = __cpu_to_le32(level); | |
1384 | pdu->buf_len = __cpu_to_le32(len); | |
1385 | ||
1386 | gettimeofday(&tv, NULL); | |
1387 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1388 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1389 | |
084d1c6f JA |
1390 | memcpy(pdu->buf, buf, len); |
1391 | ||
f77d4b73 | 1392 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1393 | free(pdu); |
1394 | return len; | |
142575e6 JA |
1395 | } |
1396 | ||
a64e88da JA |
1397 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1398 | { | |
1399 | dst->max_val = cpu_to_le64(src->max_val); | |
1400 | dst->min_val = cpu_to_le64(src->min_val); | |
1401 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1402 | |
1403 | /* | |
1404 | * Encode to IEEE 754 for network transfer | |
1405 | */ | |
e5c9093d JA |
1406 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1407 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1408 | } |
1409 | ||
1410 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1411 | { | |
1412 | int i; | |
1413 | ||
298921d6 | 1414 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1415 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1416 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1417 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1418 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1419 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1420 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1421 | } | |
1422 | ||
1423 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1424 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1425 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1426 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1427 | } |
1428 | ||
1429 | /* | |
1430 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1431 | * into a single payload. | |
1432 | */ | |
1433 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1434 | { | |
1435 | struct cmd_ts_pdu p; | |
1436 | int i, j; | |
1437 | ||
60efd14e JA |
1438 | dprint(FD_NET, "server sending end stats\n"); |
1439 | ||
317b3c8b JA |
1440 | memset(&p, 0, sizeof(p)); |
1441 | ||
4e59d0f3 JA |
1442 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1443 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1444 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1445 | |
2f122b13 JA |
1446 | p.ts.error = cpu_to_le32(ts->error); |
1447 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1448 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1449 | p.ts.pid = cpu_to_le32(ts->pid); | |
1450 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1451 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1452 | |
298921d6 | 1453 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1454 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1455 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1456 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1457 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1458 | } | |
1459 | ||
1460 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1461 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1462 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1463 | p.ts.minf = cpu_to_le64(ts->minf); | |
1464 | p.ts.majf = cpu_to_le64(ts->majf); | |
1465 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1466 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1467 | |
1468 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1469 | fio_fp64_t *src = &ts->percentile_list[i]; |
1470 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1471 | |
e5c9093d | 1472 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1473 | } |
a64e88da JA |
1474 | |
1475 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1476 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1477 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1478 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1479 | } | |
1480 | ||
1481 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1482 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1483 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1484 | } | |
1485 | ||
298921d6 | 1486 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1487 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1488 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1489 | ||
78799deb | 1490 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1491 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1492 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1493 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1494 | } |
1495 | ||
93eee04a | 1496 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1497 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1498 | ||
298921d6 | 1499 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1500 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1501 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1502 | } | |
1503 | ||
1504 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1505 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1506 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1507 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1508 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1509 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1510 | |
3e260a46 JA |
1511 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1512 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1513 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1514 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1515 | |
66347cfa DE |
1516 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1517 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1518 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1519 | ||
a64e88da JA |
1520 | convert_gs(&p.rs, rs); |
1521 | ||
f77d4b73 | 1522 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); |
a64e88da JA |
1523 | } |
1524 | ||
1525 | void fio_server_send_gs(struct group_run_stats *rs) | |
1526 | { | |
1527 | struct group_run_stats gs; | |
1528 | ||
60efd14e JA |
1529 | dprint(FD_NET, "server sending group run stats\n"); |
1530 | ||
a64e88da | 1531 | convert_gs(&gs, rs); |
f77d4b73 | 1532 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1533 | } |
1534 | ||
0279b880 JA |
1535 | void fio_server_send_job_options(struct flist_head *opt_list, |
1536 | unsigned int groupid) | |
1537 | { | |
1538 | struct cmd_job_option pdu; | |
1539 | struct flist_head *entry; | |
1540 | ||
1541 | if (flist_empty(opt_list)) | |
1542 | return; | |
1543 | ||
1544 | flist_for_each(entry, opt_list) { | |
1545 | struct print_option *p; | |
bc0fec0e | 1546 | size_t len; |
0279b880 JA |
1547 | |
1548 | p = flist_entry(entry, struct print_option, list); | |
1549 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1550 | |
0279b880 JA |
1551 | if (groupid == -1U) { |
1552 | pdu.global = __cpu_to_le16(1); | |
1553 | pdu.groupid = 0; | |
1554 | } else { | |
1555 | pdu.global = 0; | |
bc0fec0e JA |
1556 | pdu.groupid = cpu_to_le32(groupid); |
1557 | } | |
1558 | len = strlen(p->name); | |
1559 | if (len >= sizeof(pdu.name)) { | |
1560 | len = sizeof(pdu.name) - 1; | |
1561 | pdu.truncated = __cpu_to_le16(1); | |
1562 | } | |
1563 | memcpy(pdu.name, p->name, len); | |
1564 | if (p->value) { | |
1565 | len = strlen(p->value); | |
1566 | if (len >= sizeof(pdu.value)) { | |
1567 | len = sizeof(pdu.value) - 1; | |
1568 | pdu.truncated = __cpu_to_le16(1); | |
1569 | } | |
1570 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1571 | } |
0279b880 JA |
1572 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1573 | } | |
1574 | } | |
1575 | ||
d09a64a0 JA |
1576 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1577 | { | |
1578 | int i; | |
1579 | ||
1580 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1581 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1582 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1583 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1584 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1585 | } |
1586 | ||
504bc961 JA |
1587 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1588 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1589 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1590 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1591 | } |
1592 | ||
1593 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1594 | { | |
1595 | int i; | |
1596 | ||
59140421 JA |
1597 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1598 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1599 | |
1600 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1601 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1602 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1603 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1604 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1605 | } |
1606 | ||
504bc961 JA |
1607 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1608 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1609 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1610 | } |
1611 | ||
1612 | void fio_server_send_du(void) | |
1613 | { | |
1614 | struct disk_util *du; | |
1615 | struct flist_head *entry; | |
1616 | struct cmd_du_pdu pdu; | |
1617 | ||
1618 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1619 | ||
0766d92e JA |
1620 | memset(&pdu, 0, sizeof(pdu)); |
1621 | ||
d09a64a0 JA |
1622 | flist_for_each(entry, &disk_list) { |
1623 | du = flist_entry(entry, struct disk_util, list); | |
1624 | ||
1625 | convert_dus(&pdu.dus, &du->dus); | |
1626 | convert_agg(&pdu.agg, &du->agg); | |
1627 | ||
f77d4b73 | 1628 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1629 | } |
1630 | } | |
1631 | ||
dfc8e76c | 1632 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) |
1b42725f | 1633 | { |
3989b143 JA |
1634 | int ret = 0; |
1635 | #ifdef CONFIG_ZLIB | |
02594e37 | 1636 | struct sk_entry *entry; |
1b42725f JA |
1637 | z_stream stream; |
1638 | void *out_pdu; | |
1b42725f JA |
1639 | |
1640 | /* | |
1641 | * Dirty - since the log is potentially huge, compress it into | |
1642 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1643 | * side defragment it. | |
1644 | */ | |
1645 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1646 | ||
1647 | stream.zalloc = Z_NULL; | |
1648 | stream.zfree = Z_NULL; | |
1649 | stream.opaque = Z_NULL; | |
1650 | ||
1651 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1652 | ret = 1; |
1653 | goto err; | |
1b42725f JA |
1654 | } |
1655 | ||
f5ed765a | 1656 | stream.next_in = (void *) log->log; |
ae588852 | 1657 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1658 | |
1659 | do { | |
02594e37 | 1660 | unsigned int this_len; |
1b42725f JA |
1661 | |
1662 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1663 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1664 | ret = deflate(&stream, Z_FINISH); |
1665 | /* may be Z_OK, or Z_STREAM_END */ | |
1666 | if (ret < 0) | |
1667 | goto err_zlib; | |
1b42725f JA |
1668 | |
1669 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1670 | ||
02594e37 | 1671 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
bead01d7 JA |
1672 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1673 | out_pdu = NULL; | |
02594e37 | 1674 | flist_add_tail(&entry->list, &first->next); |
1b42725f JA |
1675 | } while (stream.avail_in); |
1676 | ||
53bd8dbc | 1677 | err_zlib: |
1b42725f | 1678 | deflateEnd(&stream); |
53bd8dbc JA |
1679 | err: |
1680 | free(out_pdu); | |
3989b143 | 1681 | #endif |
53bd8dbc | 1682 | return ret; |
1b42725f JA |
1683 | } |
1684 | ||
dfc8e76c | 1685 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1686 | { |
1687 | struct sk_entry *entry; | |
1688 | struct flist_head *node; | |
1689 | ||
1690 | pthread_mutex_lock(&log->chunk_lock); | |
1691 | flist_for_each(node, &log->chunk_list) { | |
1692 | struct iolog_compress *c; | |
1693 | ||
1694 | c = flist_entry(node, struct iolog_compress, list); | |
1695 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1696 | NULL, SK_F_VEC | SK_F_INLINE); | |
1697 | flist_add_tail(&entry->list, &first->next); | |
1698 | } | |
1699 | pthread_mutex_unlock(&log->chunk_lock); | |
1700 | ||
1701 | return 0; | |
1702 | } | |
1703 | ||
dfc8e76c JA |
1704 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1705 | { | |
1706 | struct sk_entry *entry; | |
1707 | size_t size = log->nr_samples * log_entry_sz(log); | |
1708 | ||
1709 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, size, | |
1710 | NULL, SK_F_VEC | SK_F_INLINE); | |
1711 | flist_add_tail(&entry->list, &first->next); | |
1712 | return 0; | |
1713 | } | |
1714 | ||
3989b143 JA |
1715 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1716 | { | |
1717 | struct cmd_iolog_pdu pdu; | |
02594e37 | 1718 | struct sk_entry *first; |
3989b143 JA |
1719 | int i, ret = 0; |
1720 | ||
ae588852 | 1721 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1722 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 | 1723 | pdu.log_type = cpu_to_le32(log->log_type); |
0cba0f91 JA |
1724 | |
1725 | if (!flist_empty(&log->chunk_list)) | |
1726 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1727 | else if (use_zlib) | |
1728 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1729 | else | |
1730 | pdu.compressed = 0; | |
9bdb9265 JA |
1731 | |
1732 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1733 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 | 1734 | |
0cba0f91 JA |
1735 | /* |
1736 | * We can't do this for a pre-compressed log, but for that case, | |
1737 | * log->nr_samples is zero anyway. | |
1738 | */ | |
3989b143 | 1739 | for (i = 0; i < log->nr_samples; i++) { |
ae588852 | 1740 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1741 | |
b26317c9 JA |
1742 | s->time = cpu_to_le64(s->time); |
1743 | s->val = cpu_to_le64(s->val); | |
1744 | s->__ddir = cpu_to_le32(s->__ddir); | |
1745 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1746 | |
1747 | if (log->log_offset) { | |
1748 | struct io_sample_offset *so = (void *) s; | |
1749 | ||
1750 | so->offset = cpu_to_le64(so->offset); | |
1751 | } | |
3989b143 JA |
1752 | } |
1753 | ||
1754 | /* | |
02594e37 | 1755 | * Assemble header entry first |
3989b143 | 1756 | */ |
bead01d7 | 1757 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
3989b143 JA |
1758 | |
1759 | /* | |
dfc8e76c JA |
1760 | * Now append actual log entries. If log compression was enabled on |
1761 | * the job, just send out the compressed chunks directly. If we | |
1762 | * have a plain log, compress if we can, then send. Otherwise, send | |
1763 | * the plain text output. | |
3989b143 | 1764 | */ |
0cba0f91 | 1765 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 1766 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 1767 | else if (use_zlib) |
dfc8e76c JA |
1768 | ret = fio_append_iolog_gz(first, log); |
1769 | else | |
1770 | ret = fio_append_text_log(first, log); | |
3989b143 | 1771 | |
bead01d7 | 1772 | fio_net_queue_entry(first); |
f77d4b73 | 1773 | return ret; |
3989b143 JA |
1774 | } |
1775 | ||
2f122b13 | 1776 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1777 | { |
1778 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1779 | |
731e30a2 | 1780 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1781 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1782 | pdu.groupid = cpu_to_le32(td->groupid); | |
1783 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1784 | |
dfc8e76c JA |
1785 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
1786 | SK_F_COPY); | |
807f9971 JA |
1787 | } |
1788 | ||
122c7725 JA |
1789 | void fio_server_send_start(struct thread_data *td) |
1790 | { | |
f77d4b73 JA |
1791 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
1792 | ||
1793 | assert(sk_out->sk != -1); | |
122c7725 | 1794 | |
f77d4b73 | 1795 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE); |
122c7725 JA |
1796 | } |
1797 | ||
ca09be4b | 1798 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1799 | void **datap, int *version) |
ca09be4b JA |
1800 | { |
1801 | struct thread_io_list *s; | |
1802 | struct cmd_sendfile out; | |
1803 | struct cmd_reply *rep; | |
1804 | uint64_t tag; | |
1805 | void *data; | |
c0d3245a | 1806 | int ret; |
ca09be4b JA |
1807 | |
1808 | dprint(FD_NET, "server: request verify state\n"); | |
1809 | ||
1810 | rep = smalloc(sizeof(*rep)); | |
1811 | if (!rep) { | |
1812 | log_err("fio: smalloc pool too small\n"); | |
c0d3245a | 1813 | return ENOMEM; |
ca09be4b JA |
1814 | } |
1815 | ||
1816 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1817 | rep->data = NULL; | |
1818 | rep->error = 0; | |
1819 | ||
e499aedc JA |
1820 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1821 | threadnumber); | |
ca09be4b | 1822 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
1823 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
1824 | SK_F_COPY); | |
ca09be4b JA |
1825 | |
1826 | /* | |
1827 | * Wait for the backend to receive the reply | |
1828 | */ | |
09400a60 | 1829 | if (fio_mutex_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 1830 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 1831 | ret = ETIMEDOUT; |
ca09be4b JA |
1832 | goto fail; |
1833 | } | |
1834 | ||
1835 | if (rep->error) { | |
415c3133 JA |
1836 | log_err("fio: failure on receiving state file %s: %s\n", |
1837 | out.path, strerror(rep->error)); | |
c0d3245a | 1838 | ret = rep->error; |
ca09be4b JA |
1839 | fail: |
1840 | *datap = NULL; | |
1841 | sfree(rep); | |
f77d4b73 | 1842 | fio_net_queue_quit(); |
c0d3245a | 1843 | return ret; |
ca09be4b JA |
1844 | } |
1845 | ||
1846 | /* | |
1847 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1848 | * the header, and the thread_io_list checksum | |
1849 | */ | |
1850 | s = rep->data + sizeof(struct verify_state_hdr); | |
c0d3245a JA |
1851 | if (verify_state_hdr(rep->data, s, version)) { |
1852 | ret = EILSEQ; | |
ca09be4b | 1853 | goto fail; |
c0d3245a | 1854 | } |
ca09be4b JA |
1855 | |
1856 | /* | |
1857 | * Don't need the header from now, copy just the thread_io_list | |
1858 | */ | |
c0d3245a | 1859 | ret = 0; |
ca09be4b JA |
1860 | rep->size -= sizeof(struct verify_state_hdr); |
1861 | data = malloc(rep->size); | |
1862 | memcpy(data, s, rep->size); | |
1863 | *datap = data; | |
1864 | ||
1865 | sfree(rep->data); | |
f5a42524 | 1866 | __fio_mutex_remove(&rep->lock); |
ca09be4b | 1867 | sfree(rep); |
c0d3245a | 1868 | return ret; |
ca09be4b JA |
1869 | } |
1870 | ||
87aa8f19 | 1871 | static int fio_init_server_ip(void) |
81179eec | 1872 | { |
811826be | 1873 | struct sockaddr *addr; |
67bf9823 | 1874 | socklen_t socklen; |
17e3531a JA |
1875 | char buf[80]; |
1876 | const char *str; | |
87aa8f19 | 1877 | int sk, opt; |
81179eec | 1878 | |
811826be JA |
1879 | if (use_ipv6) |
1880 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1881 | else | |
1882 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1883 | ||
81179eec JA |
1884 | if (sk < 0) { |
1885 | log_err("fio: socket: %s\n", strerror(errno)); | |
1886 | return -1; | |
1887 | } | |
1888 | ||
1889 | opt = 1; | |
1f81991e | 1890 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1891 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1892 | close(sk); |
81179eec JA |
1893 | return -1; |
1894 | } | |
1895 | #ifdef SO_REUSEPORT | |
6eb24791 | 1896 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1897 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1898 | close(sk); |
81179eec JA |
1899 | return -1; |
1900 | } | |
1901 | #endif | |
1902 | ||
811826be | 1903 | if (use_ipv6) { |
17e3531a JA |
1904 | const void *src = &saddr_in6.sin6_addr; |
1905 | ||
811826be JA |
1906 | addr = (struct sockaddr *) &saddr_in6; |
1907 | socklen = sizeof(saddr_in6); | |
1908 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1909 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1910 | } else { |
17e3531a JA |
1911 | const void *src = &saddr_in.sin_addr; |
1912 | ||
811826be JA |
1913 | addr = (struct sockaddr *) &saddr_in; |
1914 | socklen = sizeof(saddr_in); | |
1915 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1916 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1917 | } |
81179eec | 1918 | |
811826be | 1919 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1920 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1921 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1922 | close(sk); |
81179eec JA |
1923 | return -1; |
1924 | } | |
1925 | ||
87aa8f19 JA |
1926 | return sk; |
1927 | } | |
1928 | ||
1929 | static int fio_init_server_sock(void) | |
1930 | { | |
1931 | struct sockaddr_un addr; | |
67bf9823 | 1932 | socklen_t len; |
87aa8f19 JA |
1933 | mode_t mode; |
1934 | int sk; | |
1935 | ||
1936 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1937 | if (sk < 0) { | |
1938 | log_err("fio: socket: %s\n", strerror(errno)); | |
1939 | return -1; | |
1940 | } | |
1941 | ||
1942 | mode = umask(000); | |
1943 | ||
1944 | memset(&addr, 0, sizeof(addr)); | |
1945 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1946 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1947 | |
1948 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1949 | ||
1950 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1951 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1952 | close(sk); |
87aa8f19 JA |
1953 | return -1; |
1954 | } | |
1955 | ||
1956 | umask(mode); | |
1957 | return sk; | |
1958 | } | |
1959 | ||
1960 | static int fio_init_server_connection(void) | |
1961 | { | |
bebe6398 | 1962 | char bind_str[128]; |
87aa8f19 JA |
1963 | int sk; |
1964 | ||
1965 | dprint(FD_NET, "starting server\n"); | |
1966 | ||
1967 | if (!bind_sock) | |
1968 | sk = fio_init_server_ip(); | |
1969 | else | |
1970 | sk = fio_init_server_sock(); | |
1971 | ||
1972 | if (sk < 0) | |
1973 | return sk; | |
1974 | ||
afdcad23 JA |
1975 | memset(bind_str, 0, sizeof(bind_str)); |
1976 | ||
811826be JA |
1977 | if (!bind_sock) { |
1978 | char *p, port[16]; | |
1979 | const void *src; | |
1980 | int af; | |
1981 | ||
1982 | if (use_ipv6) { | |
1983 | af = AF_INET6; | |
1984 | src = &saddr_in6.sin6_addr; | |
1985 | } else { | |
1986 | af = AF_INET; | |
1987 | src = &saddr_in.sin_addr; | |
1988 | } | |
1989 | ||
1990 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1991 | ||
1992 | sprintf(port, ",%u", fio_net_port); | |
1993 | if (p) | |
1994 | strcat(p, port); | |
1995 | else | |
afdcad23 | 1996 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1997 | } else |
afdcad23 | 1998 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1999 | |
2000 | log_info("fio: server listening on %s\n", bind_str); | |
2001 | ||
1e1507df | 2002 | if (listen(sk, 4) < 0) { |
81179eec | 2003 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2004 | close(sk); |
81179eec JA |
2005 | return -1; |
2006 | } | |
2007 | ||
87aa8f19 JA |
2008 | return sk; |
2009 | } | |
2010 | ||
3aa3ceeb | 2011 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2012 | struct in6_addr *inp6) |
2013 | ||
2014 | { | |
2015 | int ret = 0; | |
2016 | ||
3aa3ceeb | 2017 | if (ipv6) |
3ec62ec4 JA |
2018 | ret = inet_pton(AF_INET6, host, inp6); |
2019 | else | |
2020 | ret = inet_pton(AF_INET, host, inp); | |
2021 | ||
2022 | if (ret != 1) { | |
479471c4 JA |
2023 | struct addrinfo hints, *res; |
2024 | ||
2025 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 2026 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 2027 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 2028 | |
479471c4 JA |
2029 | ret = getaddrinfo(host, NULL, &hints, &res); |
2030 | if (ret) { | |
2031 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2032 | gai_strerror(ret)); | |
3caf43e3 | 2033 | return 1; |
3ec62ec4 JA |
2034 | } |
2035 | ||
3aa3ceeb | 2036 | if (ipv6) |
479471c4 JA |
2037 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2038 | else | |
2039 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2040 | ||
3ec62ec4 | 2041 | ret = 1; |
479471c4 | 2042 | freeaddrinfo(res); |
3ec62ec4 JA |
2043 | } |
2044 | ||
2045 | return !(ret == 1); | |
2046 | } | |
2047 | ||
660a2bfb JA |
2048 | /* |
2049 | * Parse a host/ip/port string. Reads from 'str'. | |
2050 | * | |
2051 | * Outputs: | |
2052 | * | |
2053 | * For IPv4: | |
2054 | * *ptr is the host, *port is the port, inp is the destination. | |
2055 | * For IPv6: | |
2056 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2057 | * For local domain sockets: | |
2058 | * *ptr is the filename, *is_sock is 1. | |
2059 | */ | |
bebe6398 | 2060 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
2061 | int *port, struct in_addr *inp, |
2062 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2063 | { |
76867621 JA |
2064 | const char *host = str; |
2065 | char *portp; | |
3ec62ec4 | 2066 | int lport = 0; |
76867621 | 2067 | |
bebe6398 JA |
2068 | *ptr = NULL; |
2069 | *is_sock = 0; | |
6d2cf394 | 2070 | *port = fio_net_port; |
811826be | 2071 | *ipv6 = 0; |
bebe6398 JA |
2072 | |
2073 | if (!strncmp(str, "sock:", 5)) { | |
2074 | *ptr = strdup(str + 5); | |
2075 | *is_sock = 1; | |
76867621 JA |
2076 | |
2077 | return 0; | |
2078 | } | |
2079 | ||
2080 | /* | |
2081 | * Is it ip:<ip or host>:port | |
2082 | */ | |
2083 | if (!strncmp(host, "ip:", 3)) | |
2084 | host += 3; | |
2085 | else if (!strncmp(host, "ip4:", 4)) | |
2086 | host += 4; | |
2087 | else if (!strncmp(host, "ip6:", 4)) { | |
2088 | host += 4; | |
2089 | *ipv6 = 1; | |
2090 | } else if (host[0] == ':') { | |
2091 | /* String is :port */ | |
2092 | host++; | |
2093 | lport = atoi(host); | |
2094 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2095 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2096 | return 1; |
2097 | } | |
2098 | /* no hostname given, we are done */ | |
2099 | *port = lport; | |
2100 | return 0; | |
2101 | } | |
2102 | ||
2103 | /* | |
b96b90c3 | 2104 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2105 | */ |
2106 | if (!lport) { | |
2107 | portp = strchr(host, ','); | |
2108 | if (portp) { | |
2109 | *portp = '\0'; | |
2110 | portp++; | |
2111 | lport = atoi(portp); | |
bebe6398 | 2112 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2113 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2114 | return 1; |
2115 | } | |
bebe6398 | 2116 | } |
76867621 | 2117 | } |
bebe6398 | 2118 | |
76867621 JA |
2119 | if (lport) |
2120 | *port = lport; | |
bebe6398 | 2121 | |
76867621 JA |
2122 | if (!strlen(host)) |
2123 | return 0; | |
bebe6398 | 2124 | |
76867621 | 2125 | *ptr = strdup(host); |
811826be | 2126 | |
3aa3ceeb | 2127 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2128 | free(*ptr); |
2129 | *ptr = NULL; | |
2130 | return 1; | |
bebe6398 JA |
2131 | } |
2132 | ||
2133 | if (*port == 0) | |
2134 | *port = fio_net_port; | |
2135 | ||
2136 | return 0; | |
2137 | } | |
2138 | ||
87aa8f19 JA |
2139 | /* |
2140 | * Server arg should be one of: | |
2141 | * | |
2142 | * sock:/path/to/socket | |
2143 | * ip:1.2.3.4 | |
2144 | * 1.2.3.4 | |
2145 | * | |
2146 | * Where sock uses unix domain sockets, and ip binds the server to | |
2147 | * a specific interface. If no arguments are given to the server, it | |
2148 | * uses IP and binds to 0.0.0.0. | |
2149 | * | |
2150 | */ | |
2151 | static int fio_handle_server_arg(void) | |
2152 | { | |
6d2cf394 | 2153 | int port = fio_net_port; |
a7de0a11 | 2154 | int is_sock, ret = 0; |
bebe6398 | 2155 | |
87aa8f19 JA |
2156 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2157 | ||
2158 | if (!fio_server_arg) | |
a7de0a11 | 2159 | goto out; |
87aa8f19 | 2160 | |
4e5b8fb8 | 2161 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2162 | &port, &saddr_in.sin_addr, |
2163 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2164 | |
2165 | if (!is_sock && bind_sock) { | |
2166 | free(bind_sock); | |
2167 | bind_sock = NULL; | |
2168 | } | |
2169 | ||
a7de0a11 | 2170 | out: |
6d2cf394 JA |
2171 | fio_net_port = port; |
2172 | saddr_in.sin_port = htons(port); | |
811826be | 2173 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2174 | return ret; |
87aa8f19 JA |
2175 | } |
2176 | ||
43cdea1d JA |
2177 | static void sig_int(int sig) |
2178 | { | |
2179 | if (bind_sock) | |
2180 | unlink(bind_sock); | |
2181 | } | |
2182 | ||
2183 | static void set_sig_handlers(void) | |
2184 | { | |
2185 | struct sigaction act; | |
2186 | ||
2187 | memset(&act, 0, sizeof(act)); | |
2188 | act.sa_handler = sig_int; | |
2189 | act.sa_flags = SA_RESTART; | |
2190 | sigaction(SIGINT, &act, NULL); | |
2191 | } | |
2192 | ||
518a1cf0 JA |
2193 | void fio_server_destroy_sk_key(void) |
2194 | { | |
2195 | pthread_key_delete(sk_out_key); | |
2196 | } | |
2197 | ||
3d80c735 | 2198 | int fio_server_create_sk_key(void) |
87aa8f19 | 2199 | { |
9c003782 JA |
2200 | if (pthread_key_create(&sk_out_key, NULL)) { |
2201 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2202 | return 1; |
9c003782 JA |
2203 | } |
2204 | ||
2205 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2206 | return 0; |
2207 | } | |
2208 | ||
2209 | static int fio_server(void) | |
2210 | { | |
2211 | int sk, ret; | |
9c003782 | 2212 | |
87aa8f19 JA |
2213 | dprint(FD_NET, "starting server\n"); |
2214 | ||
2215 | if (fio_handle_server_arg()) | |
2216 | return -1; | |
2217 | ||
2218 | sk = fio_init_server_connection(); | |
2219 | if (sk < 0) | |
2220 | return -1; | |
81179eec | 2221 | |
43cdea1d JA |
2222 | set_sig_handlers(); |
2223 | ||
ea1cd038 | 2224 | ret = accept_loop(sk); |
87aa8f19 | 2225 | |
81179eec | 2226 | close(sk); |
87aa8f19 JA |
2227 | |
2228 | if (fio_server_arg) { | |
2229 | free(fio_server_arg); | |
2230 | fio_server_arg = NULL; | |
2231 | } | |
bebe6398 JA |
2232 | if (bind_sock) |
2233 | free(bind_sock); | |
87aa8f19 | 2234 | |
81179eec JA |
2235 | return ret; |
2236 | } | |
2237 | ||
7b821684 | 2238 | void fio_server_got_signal(int signal) |
9abea48b | 2239 | { |
f77d4b73 JA |
2240 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2241 | ||
2242 | assert(sk_out); | |
2243 | ||
7b821684 | 2244 | if (signal == SIGPIPE) |
f77d4b73 | 2245 | sk_out->sk = -1; |
7b821684 JA |
2246 | else { |
2247 | log_info("\nfio: terminating on signal %d\n", signal); | |
2248 | exit_backend = 1; | |
2249 | } | |
9abea48b JA |
2250 | } |
2251 | ||
13755d94 JA |
2252 | static int check_existing_pidfile(const char *pidfile) |
2253 | { | |
2254 | struct stat sb; | |
2255 | char buf[16]; | |
2256 | pid_t pid; | |
2257 | FILE *f; | |
2258 | ||
2259 | if (stat(pidfile, &sb)) | |
2260 | return 0; | |
2261 | ||
2262 | f = fopen(pidfile, "r"); | |
2263 | if (!f) | |
2264 | return 0; | |
2265 | ||
bfc3b179 | 2266 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2267 | fclose(f); |
2268 | return 1; | |
2269 | } | |
2270 | fclose(f); | |
2271 | ||
2272 | pid = atoi(buf); | |
2273 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2274 | return errno != ESRCH; |
13755d94 JA |
2275 | |
2276 | return 1; | |
2277 | } | |
2278 | ||
2279 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2280 | { |
2281 | FILE *fpid; | |
2282 | ||
2283 | fpid = fopen(pidfile, "w"); | |
2284 | if (!fpid) { | |
2285 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2286 | return 1; |
402668f3 JA |
2287 | } |
2288 | ||
2289 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2290 | fclose(fpid); |
2291 | return 0; | |
402668f3 JA |
2292 | } |
2293 | ||
2294 | /* | |
2295 | * If pidfile is specified, background us. | |
2296 | */ | |
2297 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2298 | { |
2299 | pid_t pid; | |
402668f3 | 2300 | int ret; |
e46d8091 | 2301 | |
93bcfd20 | 2302 | #if defined(WIN32) |
905c78b9 | 2303 | WSADATA wsd; |
3c3ed070 | 2304 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2305 | #endif |
2306 | ||
402668f3 | 2307 | if (!pidfile) |
e46d8091 JA |
2308 | return fio_server(); |
2309 | ||
13755d94 JA |
2310 | if (check_existing_pidfile(pidfile)) { |
2311 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2312 | pidfile); | |
b8ba87ac | 2313 | free(pidfile); |
13755d94 JA |
2314 | return -1; |
2315 | } | |
2316 | ||
e46d8091 JA |
2317 | pid = fork(); |
2318 | if (pid < 0) { | |
13755d94 | 2319 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 2320 | free(pidfile); |
c28e8e8c | 2321 | return -1; |
402668f3 | 2322 | } else if (pid) { |
8a1db9a1 | 2323 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2324 | free(pidfile); |
44c8268d | 2325 | _exit(ret); |
402668f3 | 2326 | } |
e46d8091 JA |
2327 | |
2328 | setsid(); | |
13755d94 JA |
2329 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
2330 | log_syslog = 1; | |
e46d8091 JA |
2331 | close(STDIN_FILENO); |
2332 | close(STDOUT_FILENO); | |
2333 | close(STDERR_FILENO); | |
2334 | f_out = NULL; | |
2335 | f_err = NULL; | |
402668f3 JA |
2336 | |
2337 | ret = fio_server(); | |
2338 | ||
2339 | closelog(); | |
2340 | unlink(pidfile); | |
2341 | free(pidfile); | |
2342 | return ret; | |
e46d8091 | 2343 | } |
87aa8f19 | 2344 | |
bebe6398 | 2345 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2346 | { |
2347 | fio_server_arg = strdup(arg); | |
2348 | } |