Commit | Line | Data |
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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
50d16976 | 4 | #include <errno.h> |
8393ca93 | 5 | #include <poll.h> |
50d16976 JA |
6 | #include <sys/types.h> |
7 | #include <sys/wait.h> | |
d05c4a03 | 8 | #include <sys/socket.h> |
87aa8f19 JA |
9 | #include <sys/stat.h> |
10 | #include <sys/un.h> | |
1f51bba9 | 11 | #include <sys/uio.h> |
50d16976 JA |
12 | #include <netinet/in.h> |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
e46d8091 | 15 | #include <syslog.h> |
9e22ecb0 | 16 | #include <signal.h> |
3989b143 | 17 | #ifdef CONFIG_ZLIB |
1b42725f | 18 | #include <zlib.h> |
3989b143 | 19 | #endif |
50d16976 JA |
20 | |
21 | #include "fio.h" | |
296ab20a | 22 | #include "options.h" |
132159a5 | 23 | #include "server.h" |
fcee5ff6 | 24 | #include "crc/crc16.h" |
c7c6cb4c | 25 | #include "lib/ieee754.h" |
3d2d14bc | 26 | #include "verify-state.h" |
ca09be4b | 27 | #include "smalloc.h" |
89cf1480 | 28 | |
5adc2447 | 29 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 30 | |
f1867a7f | 31 | bool exit_backend = false; |
009b1be4 | 32 | |
f77d4b73 JA |
33 | enum { |
34 | SK_F_FREE = 1, | |
35 | SK_F_COPY = 2, | |
36 | SK_F_SIMPLE = 4, | |
02594e37 | 37 | SK_F_VEC = 8, |
bead01d7 | 38 | SK_F_INLINE = 16, |
f77d4b73 JA |
39 | }; |
40 | ||
41 | struct sk_entry { | |
4d27d429 JA |
42 | struct flist_head list; /* link on sk_out->list */ |
43 | int flags; /* SK_F_* */ | |
44 | int opcode; /* Actual command fields */ | |
f77d4b73 JA |
45 | void *buf; |
46 | off_t size; | |
28c7bcdf | 47 | uint64_t tag; |
4d27d429 | 48 | struct flist_head next; /* Other sk_entry's, if linked command */ |
f77d4b73 JA |
49 | }; |
50 | ||
87aa8f19 JA |
51 | static char *fio_server_arg; |
52 | static char *bind_sock; | |
53 | static struct sockaddr_in saddr_in; | |
811826be | 54 | static struct sockaddr_in6 saddr_in6; |
811826be | 55 | static int use_ipv6; |
3989b143 JA |
56 | #ifdef CONFIG_ZLIB |
57 | static unsigned int has_zlib = 1; | |
58 | #else | |
59 | static unsigned int has_zlib = 0; | |
60 | #endif | |
61 | static unsigned int use_zlib; | |
ca09be4b | 62 | static char me[128]; |
37db14fe | 63 | |
f77d4b73 JA |
64 | static pthread_key_t sk_out_key; |
65 | ||
122c7725 JA |
66 | struct fio_fork_item { |
67 | struct flist_head list; | |
68 | int exitval; | |
69 | int signal; | |
70 | int exited; | |
71 | pid_t pid; | |
72 | }; | |
73 | ||
ca09be4b | 74 | struct cmd_reply { |
971caeb1 | 75 | struct fio_sem lock; |
ca09be4b JA |
76 | void *data; |
77 | size_t size; | |
78 | int error; | |
79 | }; | |
80 | ||
89c1707c JA |
81 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
82 | "", | |
83 | "QUIT", | |
84 | "EXIT", | |
85 | "JOB", | |
86 | "JOBLINE", | |
87 | "TEXT", | |
88 | "TS", | |
89 | "GS", | |
90 | "SEND_ETA", | |
91 | "ETA", | |
92 | "PROBE", | |
93 | "START", | |
d09a64a0 JA |
94 | "STOP", |
95 | "DISK_UTIL", | |
b9d2f30a | 96 | "SERVER_START", |
807f9971 | 97 | "ADD_JOB", |
ca09be4b JA |
98 | "RUN", |
99 | "IOLOG", | |
100 | "UPDATE_JOB", | |
101 | "LOAD_FILE", | |
102 | "VTRIGGER", | |
103 | "SENDFILE", | |
9d9937b5 | 104 | "JOB_OPT", |
89c1707c JA |
105 | }; |
106 | ||
f77d4b73 JA |
107 | static void sk_lock(struct sk_out *sk_out) |
108 | { | |
971caeb1 | 109 | fio_sem_down(&sk_out->lock); |
f77d4b73 JA |
110 | } |
111 | ||
112 | static void sk_unlock(struct sk_out *sk_out) | |
113 | { | |
971caeb1 | 114 | fio_sem_up(&sk_out->lock); |
f77d4b73 JA |
115 | } |
116 | ||
24660963 JA |
117 | void sk_out_assign(struct sk_out *sk_out) |
118 | { | |
119 | if (!sk_out) | |
120 | return; | |
121 | ||
122 | sk_lock(sk_out); | |
123 | sk_out->refs++; | |
124 | sk_unlock(sk_out); | |
125 | pthread_setspecific(sk_out_key, sk_out); | |
126 | } | |
127 | ||
bce503fc | 128 | static void sk_out_free(struct sk_out *sk_out) |
24660963 | 129 | { |
971caeb1 BVA |
130 | __fio_sem_remove(&sk_out->lock); |
131 | __fio_sem_remove(&sk_out->wait); | |
132 | __fio_sem_remove(&sk_out->xmit); | |
24660963 JA |
133 | sfree(sk_out); |
134 | } | |
135 | ||
bce503fc | 136 | static int __sk_out_drop(struct sk_out *sk_out) |
24660963 | 137 | { |
24660963 JA |
138 | if (sk_out) { |
139 | int refs; | |
140 | ||
141 | sk_lock(sk_out); | |
c0d3245a | 142 | assert(sk_out->refs != 0); |
24660963 JA |
143 | refs = --sk_out->refs; |
144 | sk_unlock(sk_out); | |
145 | ||
bce503fc JA |
146 | if (!refs) { |
147 | sk_out_free(sk_out); | |
c0d3245a | 148 | pthread_setspecific(sk_out_key, NULL); |
bce503fc JA |
149 | return 0; |
150 | } | |
151 | } | |
152 | ||
153 | return 1; | |
154 | } | |
155 | ||
156 | void sk_out_drop(void) | |
157 | { | |
158 | struct sk_out *sk_out; | |
24660963 | 159 | |
bce503fc | 160 | sk_out = pthread_getspecific(sk_out_key); |
c0d3245a | 161 | __sk_out_drop(sk_out); |
24660963 JA |
162 | } |
163 | ||
9d2c74d7 JA |
164 | static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
165 | uint32_t pdu_len, uint64_t tag) | |
166 | { | |
167 | memset(cmd, 0, sizeof(*cmd)); | |
168 | ||
169 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); | |
170 | cmd->opcode = cpu_to_le16(opcode); | |
171 | cmd->tag = cpu_to_le64(tag); | |
172 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
173 | } | |
174 | ||
175 | ||
176 | static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, | |
177 | const void *pdu, uint32_t pdu_len, uint64_t tag) | |
178 | { | |
179 | __fio_init_net_cmd(cmd, opcode, pdu_len, tag); | |
180 | ||
181 | if (pdu) | |
182 | memcpy(&cmd->payload, pdu, pdu_len); | |
183 | } | |
184 | ||
89c1707c JA |
185 | const char *fio_server_op(unsigned int op) |
186 | { | |
187 | static char buf[32]; | |
188 | ||
189 | if (op < FIO_NET_CMD_NR) | |
190 | return fio_server_ops[op]; | |
191 | ||
192 | sprintf(buf, "UNKNOWN/%d", op); | |
193 | return buf; | |
194 | } | |
195 | ||
5235f626 | 196 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 197 | { |
5235f626 | 198 | ssize_t ret = 0; |
794d69ca | 199 | |
5235f626 JA |
200 | while (count--) { |
201 | ret += iov->iov_len; | |
202 | iov++; | |
203 | } | |
204 | ||
205 | return ret; | |
206 | } | |
132159a5 | 207 | |
5235f626 JA |
208 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
209 | { | |
210 | ssize_t total_len = iov_total_len(iov, count); | |
211 | ssize_t ret; | |
212 | ||
213 | do { | |
214 | ret = writev(sk, iov, count); | |
132159a5 | 215 | if (ret > 0) { |
5235f626 JA |
216 | total_len -= ret; |
217 | if (!total_len) | |
132159a5 | 218 | break; |
5235f626 JA |
219 | |
220 | while (ret) { | |
221 | if (ret >= iov->iov_len) { | |
222 | ret -= iov->iov_len; | |
223 | iov++; | |
224 | continue; | |
225 | } | |
226 | iov->iov_base += ret; | |
227 | iov->iov_len -= ret; | |
228 | ret = 0; | |
229 | } | |
132159a5 JA |
230 | } else if (!ret) |
231 | break; | |
232 | else if (errno == EAGAIN || errno == EINTR) | |
233 | continue; | |
7b821684 JA |
234 | else |
235 | break; | |
132159a5 JA |
236 | } while (!exit_backend); |
237 | ||
5235f626 | 238 | if (!total_len) |
132159a5 JA |
239 | return 0; |
240 | ||
241 | return 1; | |
242 | } | |
243 | ||
9d2c74d7 | 244 | static int fio_send_data(int sk, const void *p, unsigned int len) |
5235f626 JA |
245 | { |
246 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
247 | ||
248 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
249 | ||
250 | return fio_sendv_data(sk, &iov, 1); | |
251 | } | |
252 | ||
0f836f39 | 253 | static int fio_recv_data(int sk, void *buf, unsigned int len, bool wait) |
132159a5 | 254 | { |
54e62ad4 | 255 | int flags; |
0f836f39 | 256 | char *p = buf; |
54e62ad4 JA |
257 | |
258 | if (wait) | |
259 | flags = MSG_WAITALL; | |
260 | else | |
bf67f422 | 261 | flags = OS_MSG_DONTWAIT; |
54e62ad4 | 262 | |
132159a5 | 263 | do { |
54e62ad4 | 264 | int ret = recv(sk, p, len, flags); |
132159a5 JA |
265 | |
266 | if (ret > 0) { | |
267 | len -= ret; | |
268 | if (!len) | |
269 | break; | |
270 | p += ret; | |
271 | continue; | |
272 | } else if (!ret) | |
273 | break; | |
54e62ad4 JA |
274 | else if (errno == EAGAIN || errno == EINTR) { |
275 | if (wait) | |
276 | continue; | |
277 | break; | |
278 | } else | |
7b821684 | 279 | break; |
132159a5 JA |
280 | } while (!exit_backend); |
281 | ||
282 | if (!len) | |
283 | return 0; | |
284 | ||
285 | return -1; | |
286 | } | |
287 | ||
288 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
289 | { | |
fcee5ff6 | 290 | uint16_t crc; |
132159a5 | 291 | |
fcee5ff6 JA |
292 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
293 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 294 | |
25dfa848 | 295 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 296 | if (crc != cmd->cmd_crc16) { |
132159a5 | 297 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 298 | cmd->cmd_crc16, crc); |
b2ef2748 JA |
299 | fprintf(f_err, "fio: server bad crc on command (got %x, wanted %x)\n", |
300 | cmd->cmd_crc16, crc); | |
132159a5 JA |
301 | return 1; |
302 | } | |
303 | ||
304 | cmd->version = le16_to_cpu(cmd->version); | |
305 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
306 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 307 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
308 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
309 | ||
310 | switch (cmd->version) { | |
fa2ea806 | 311 | case FIO_SERVER_VER: |
132159a5 JA |
312 | break; |
313 | default: | |
314 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
b2ef2748 JA |
315 | fprintf(f_err, "fio: client/server version mismatch (%d != %d)\n", |
316 | cmd->version, FIO_SERVER_VER); | |
132159a5 JA |
317 | return 1; |
318 | } | |
319 | ||
7c922795 JA |
320 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
321 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
322 | return 1; | |
323 | } | |
324 | ||
132159a5 JA |
325 | return 0; |
326 | } | |
327 | ||
a64e88da JA |
328 | /* |
329 | * Read (and defragment, if necessary) incoming commands | |
330 | */ | |
54e62ad4 | 331 | struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait) |
132159a5 | 332 | { |
dfbf1f6f | 333 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 334 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 335 | uint16_t crc; |
a64e88da JA |
336 | int ret, first = 1; |
337 | void *pdu = NULL; | |
132159a5 | 338 | |
a64e88da | 339 | do { |
54e62ad4 | 340 | ret = fio_recv_data(sk, &cmd, sizeof(cmd), wait); |
a64e88da JA |
341 | if (ret) |
342 | break; | |
132159a5 | 343 | |
a64e88da JA |
344 | /* We have a command, verify it and swap if need be */ |
345 | ret = verify_convert_cmd(&cmd); | |
346 | if (ret) | |
347 | break; | |
132159a5 | 348 | |
0b8f30a5 JA |
349 | if (first) { |
350 | /* if this is text, add room for \0 at the end */ | |
351 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
352 | assert(!cmdret); | |
353 | } else | |
a64e88da | 354 | cmd_size += cmd.pdu_len; |
132159a5 | 355 | |
dfbf1f6f JA |
356 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
357 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
358 | ret = 1; | |
359 | break; | |
360 | } | |
361 | ||
362 | tmp = realloc(cmdret, cmd_size); | |
363 | if (!tmp) { | |
364 | log_err("fio: server failed allocating cmd\n"); | |
365 | ret = 1; | |
366 | break; | |
367 | } | |
368 | cmdret = tmp; | |
132159a5 | 369 | |
a64e88da JA |
370 | if (first) |
371 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
372 | else if (cmdret->opcode != cmd.opcode) { |
373 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
374 | cmdret->opcode, cmd.opcode); | |
375 | ret = 1; | |
376 | break; | |
377 | } | |
a64e88da JA |
378 | |
379 | if (!cmd.pdu_len) | |
380 | break; | |
381 | ||
382 | /* There's payload, get it */ | |
0f836f39 | 383 | pdu = (char *) cmdret->payload + pdu_offset; |
54e62ad4 | 384 | ret = fio_recv_data(sk, pdu, cmd.pdu_len, wait); |
a64e88da JA |
385 | if (ret) |
386 | break; | |
387 | ||
388 | /* Verify payload crc */ | |
25dfa848 | 389 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
390 | if (crc != cmd.pdu_crc16) { |
391 | log_err("fio: server bad crc on payload "); | |
392 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
393 | ret = 1; | |
394 | break; | |
395 | } | |
396 | ||
397 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
398 | if (!first) |
399 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
400 | first = 0; |
401 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 402 | |
a64e88da JA |
403 | if (ret) { |
404 | free(cmdret); | |
405 | cmdret = NULL; | |
0b8f30a5 JA |
406 | } else if (cmdret) { |
407 | /* zero-terminate text input */ | |
084d1c6f JA |
408 | if (cmdret->pdu_len) { |
409 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
410 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
411 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 412 | |
8a1db9a1 | 413 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 414 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
415 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
416 | char *buf = (char *) __pdu->buf; | |
417 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 418 | |
46bcd498 | 419 | buf[len] = '\0'; |
084d1c6f | 420 | } |
0b8f30a5 | 421 | } |
084d1c6f | 422 | |
0b8f30a5 | 423 | /* frag flag is internal */ |
a64e88da | 424 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 425 | } |
a64e88da JA |
426 | |
427 | return cmdret; | |
132159a5 JA |
428 | } |
429 | ||
40c60516 JA |
430 | static void add_reply(uint64_t tag, struct flist_head *list) |
431 | { | |
a572bbfb | 432 | struct fio_net_cmd_reply *reply; |
40c60516 | 433 | |
a572bbfb | 434 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
435 | flist_add_tail(&reply->list, list); |
436 | } | |
437 | ||
438 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
439 | { | |
440 | struct fio_net_cmd_reply *reply; | |
441 | ||
442 | reply = calloc(1, sizeof(*reply)); | |
443 | INIT_FLIST_HEAD(&reply->list); | |
8b6a404c | 444 | fio_gettime(&reply->ts, NULL); |
40c60516 JA |
445 | reply->saved_tag = tag; |
446 | reply->opcode = opcode; | |
447 | ||
448 | return (uintptr_t) reply; | |
449 | } | |
450 | ||
451 | static void free_reply(uint64_t tag) | |
452 | { | |
a572bbfb | 453 | struct fio_net_cmd_reply *reply; |
40c60516 | 454 | |
a572bbfb | 455 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
456 | free(reply); |
457 | } | |
458 | ||
9d2c74d7 | 459 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
460 | { |
461 | uint32_t pdu_len; | |
462 | ||
25dfa848 | 463 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
464 | |
465 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
466 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
467 | } | |
468 | ||
9d2c74d7 | 469 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
470 | { |
471 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
472 | } |
473 | ||
af9c9fb3 | 474 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 475 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 476 | { |
7f868316 JA |
477 | struct fio_net_cmd *cmd = NULL; |
478 | size_t this_len, cur_len = 0; | |
40c60516 | 479 | uint64_t tag; |
794d69ca JA |
480 | int ret; |
481 | ||
40c60516 JA |
482 | if (list) { |
483 | assert(tagptr); | |
484 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
485 | } else | |
486 | tag = tagptr ? *tagptr : 0; | |
487 | ||
794d69ca JA |
488 | do { |
489 | this_len = size; | |
b9d2f30a JA |
490 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
491 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 492 | |
7f868316 JA |
493 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
494 | if (cmd) | |
495 | free(cmd); | |
496 | ||
497 | cur_len = sizeof(*cmd) + this_len; | |
498 | cmd = malloc(cur_len); | |
499 | } | |
794d69ca | 500 | |
af9c9fb3 | 501 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
502 | |
503 | if (this_len < size) | |
ddcc0b69 | 504 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
505 | |
506 | fio_net_cmd_crc(cmd); | |
507 | ||
508 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
509 | size -= this_len; |
510 | buf += this_len; | |
511 | } while (!ret && size); | |
512 | ||
40c60516 JA |
513 | if (list) { |
514 | if (ret) | |
515 | free_reply(tag); | |
516 | else | |
517 | add_reply(tag, list); | |
518 | } | |
519 | ||
7f868316 JA |
520 | if (cmd) |
521 | free(cmd); | |
522 | ||
794d69ca JA |
523 | return ret; |
524 | } | |
525 | ||
0cba0f91 JA |
526 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
527 | size_t size, uint64_t *tagptr, | |
528 | int flags) | |
f77d4b73 | 529 | { |
f77d4b73 JA |
530 | struct sk_entry *entry; |
531 | ||
532 | entry = smalloc(sizeof(*entry)); | |
e3500d99 JA |
533 | if (!entry) |
534 | return NULL; | |
535 | ||
02594e37 | 536 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
537 | entry->opcode = opcode; |
538 | if (flags & SK_F_COPY) { | |
539 | entry->buf = smalloc(size); | |
540 | memcpy(entry->buf, buf, size); | |
541 | } else | |
542 | entry->buf = buf; | |
bead01d7 | 543 | |
f77d4b73 | 544 | entry->size = size; |
28c7bcdf JA |
545 | if (tagptr) |
546 | entry->tag = *tagptr; | |
547 | else | |
548 | entry->tag = 0; | |
f77d4b73 | 549 | entry->flags = flags; |
02594e37 JA |
550 | return entry; |
551 | } | |
552 | ||
bead01d7 JA |
553 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
554 | ||
02594e37 JA |
555 | static void fio_net_queue_entry(struct sk_entry *entry) |
556 | { | |
557 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
558 | ||
bead01d7 JA |
559 | if (entry->flags & SK_F_INLINE) |
560 | handle_sk_entry(sk_out, entry); | |
561 | else { | |
562 | sk_lock(sk_out); | |
563 | flist_add_tail(&entry->list, &sk_out->list); | |
564 | sk_unlock(sk_out); | |
f77d4b73 | 565 | |
971caeb1 | 566 | fio_sem_up(&sk_out->wait); |
bead01d7 | 567 | } |
02594e37 | 568 | } |
f77d4b73 | 569 | |
02594e37 JA |
570 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
571 | uint64_t *tagptr, int flags) | |
572 | { | |
573 | struct sk_entry *entry; | |
574 | ||
575 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
81b3c86f JA |
576 | if (entry) { |
577 | fio_net_queue_entry(entry); | |
578 | return 0; | |
579 | } | |
580 | ||
581 | return 1; | |
f77d4b73 JA |
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 | ||
b647a293 | 624 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
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); | |
b647a293 | 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 | 851 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
40c60516 | 852 | uint64_t tag = cmd->tag; |
f4937575 JA |
853 | struct cmd_probe_reply_pdu probe = { |
854 | #ifdef CONFIG_BIG_ENDIAN | |
855 | .bigendian = 1, | |
856 | #endif | |
857 | .os = FIO_OS, | |
858 | .arch = FIO_ARCH, | |
859 | .bpp = sizeof(void *), | |
860 | .cpus = __cpu_to_le32(cpus_online()), | |
861 | }; | |
c28e8e8c | 862 | |
89c1707c JA |
863 | dprint(FD_NET, "server: sending probe reply\n"); |
864 | ||
ca09be4b JA |
865 | strcpy(me, (char *) pdu->server); |
866 | ||
c28e8e8c | 867 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); |
36833fb0 BVA |
868 | snprintf((char *) probe.fio_version, sizeof(probe.fio_version), "%s", |
869 | fio_version_string); | |
c28e8e8c | 870 | |
3989b143 JA |
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++) { | |
90eff1c9 SW |
910 | je->m_rate[i] = cpu_to_le64(je->m_rate[i]); |
911 | je->t_rate[i] = cpu_to_le64(je->t_rate[i]); | |
e123c833 JA |
912 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); |
913 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
90eff1c9 | 914 | je->rate[i] = cpu_to_le64(je->rate[i]); |
e123c833 JA |
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 | ||
785a0e21 | 959 | static int handle_trigger_cmd(struct fio_net_cmd *cmd, struct flist_head *job_list) |
ca09be4b JA |
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 | 977 | |
64402a8a | 978 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
785a0e21 | 979 | fio_server_check_jobs(job_list); |
ca09be4b JA |
980 | exec_trigger(buf); |
981 | return 0; | |
982 | } | |
983 | ||
f77d4b73 JA |
984 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
985 | struct fio_net_cmd *cmd) | |
132159a5 JA |
986 | { |
987 | int ret; | |
988 | ||
4b91ee8f JA |
989 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
990 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
991 | (unsigned long long) cmd->tag); | |
46c48f1f | 992 | |
132159a5 JA |
993 | switch (cmd->opcode) { |
994 | case FIO_NET_CMD_QUIT: | |
64402a8a | 995 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
f77d4b73 JA |
996 | ret = 0; |
997 | break; | |
d7959186 | 998 | case FIO_NET_CMD_EXIT: |
f1867a7f | 999 | exit_backend = true; |
c28e8e8c | 1000 | return -1; |
323255cc JA |
1001 | case FIO_NET_CMD_LOAD_FILE: |
1002 | ret = handle_load_file_cmd(cmd); | |
1003 | break; | |
132159a5 | 1004 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1005 | ret = handle_job_cmd(cmd); |
132159a5 | 1006 | break; |
81179eec JA |
1007 | case FIO_NET_CMD_JOBLINE: |
1008 | ret = handle_jobline_cmd(cmd); | |
1009 | break; | |
c28e8e8c JA |
1010 | case FIO_NET_CMD_PROBE: |
1011 | ret = handle_probe_cmd(cmd); | |
1012 | break; | |
af9c9fb3 JA |
1013 | case FIO_NET_CMD_SEND_ETA: |
1014 | ret = handle_send_eta_cmd(cmd); | |
1015 | break; | |
b9d2f30a | 1016 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1017 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1018 | break; |
f58bd2a4 JA |
1019 | case FIO_NET_CMD_UPDATE_JOB: |
1020 | ret = handle_update_job_cmd(cmd); | |
1021 | break; | |
ca09be4b | 1022 | case FIO_NET_CMD_VTRIGGER: |
785a0e21 | 1023 | ret = handle_trigger_cmd(cmd, job_list); |
ca09be4b JA |
1024 | break; |
1025 | case FIO_NET_CMD_SENDFILE: { | |
1026 | struct cmd_sendfile_reply *in; | |
1027 | struct cmd_reply *rep; | |
1028 | ||
1029 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1030 | ||
1031 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1032 | in->size = le32_to_cpu(in->size); | |
1033 | in->error = le32_to_cpu(in->error); | |
1034 | if (in->error) { | |
1035 | ret = 1; | |
1036 | rep->error = in->error; | |
1037 | } else { | |
1038 | ret = 0; | |
1039 | rep->data = smalloc(in->size); | |
1040 | if (!rep->data) { | |
1041 | ret = 1; | |
1042 | rep->error = ENOMEM; | |
1043 | } else { | |
1044 | rep->size = in->size; | |
1045 | memcpy(rep->data, in->data, in->size); | |
1046 | } | |
1047 | } | |
971caeb1 | 1048 | fio_sem_up(&rep->lock); |
ca09be4b JA |
1049 | break; |
1050 | } | |
132159a5 | 1051 | default: |
3c3ed070 | 1052 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1053 | ret = 1; |
1054 | } | |
1055 | ||
1056 | return ret; | |
1057 | } | |
1058 | ||
02594e37 JA |
1059 | /* |
1060 | * Send a command with a separate PDU, not inlined in the command | |
1061 | */ | |
1062 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1063 | off_t size, uint64_t tag, uint32_t flags) | |
1064 | { | |
1065 | struct fio_net_cmd cmd; | |
1066 | struct iovec iov[2]; | |
7c922795 JA |
1067 | size_t this_len; |
1068 | int ret; | |
02594e37 JA |
1069 | |
1070 | iov[0].iov_base = (void *) &cmd; | |
1071 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1072 | |
7c922795 JA |
1073 | do { |
1074 | uint32_t this_flags = flags; | |
1075 | ||
1076 | this_len = size; | |
1077 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1078 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1079 | ||
1080 | if (this_len < size) | |
1081 | this_flags |= FIO_NET_CMD_F_MORE; | |
1082 | ||
1083 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1084 | cmd.flags = __cpu_to_le32(this_flags); | |
1085 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1086 | |
7c922795 JA |
1087 | iov[1].iov_base = (void *) buf; |
1088 | iov[1].iov_len = this_len; | |
1089 | ||
1090 | ret = fio_sendv_data(sk, iov, 2); | |
1091 | size -= this_len; | |
1092 | buf += this_len; | |
1093 | } while (!ret && size); | |
1094 | ||
1095 | return ret; | |
02594e37 JA |
1096 | } |
1097 | ||
1098 | static void finish_entry(struct sk_entry *entry) | |
1099 | { | |
1100 | if (entry->flags & SK_F_FREE) | |
1101 | free(entry->buf); | |
1102 | else if (entry->flags & SK_F_COPY) | |
1103 | sfree(entry->buf); | |
1104 | ||
1105 | sfree(entry); | |
1106 | } | |
1107 | ||
ba1891d2 JA |
1108 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1109 | unsigned int *flags) | |
02594e37 | 1110 | { |
b3882320 JA |
1111 | if (!flist_empty(list)) |
1112 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1113 | else |
b3882320 | 1114 | *flags = 0; |
b3882320 | 1115 | } |
02594e37 | 1116 | |
b3882320 JA |
1117 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1118 | { | |
1119 | unsigned int flags; | |
b3882320 JA |
1120 | int ret; |
1121 | ||
ba1891d2 | 1122 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1123 | |
ba1891d2 JA |
1124 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1125 | first->size, first->tag, flags); | |
02594e37 JA |
1126 | |
1127 | while (!flist_empty(&first->next)) { | |
1128 | struct sk_entry *next; | |
1129 | ||
1130 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1131 | flist_del_init(&next->list); | |
02594e37 | 1132 | |
ba1891d2 | 1133 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1134 | |
ba1891d2 JA |
1135 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1136 | next->size, next->tag, flags); | |
02594e37 JA |
1137 | finish_entry(next); |
1138 | } | |
b3882320 JA |
1139 | |
1140 | return ret; | |
02594e37 JA |
1141 | } |
1142 | ||
b3882320 | 1143 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1144 | { |
b3882320 JA |
1145 | int ret; |
1146 | ||
971caeb1 | 1147 | fio_sem_down(&sk_out->xmit); |
bead01d7 | 1148 | |
02594e37 | 1149 | if (entry->flags & SK_F_VEC) |
b3882320 | 1150 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1151 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1152 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1153 | entry->tag, NULL); | |
dfc8e76c JA |
1154 | } else { |
1155 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1156 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1157 | } |
b3882320 | 1158 | |
971caeb1 | 1159 | fio_sem_up(&sk_out->xmit); |
bead01d7 | 1160 | |
b3882320 JA |
1161 | if (ret) |
1162 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1163 | |
02594e37 | 1164 | finish_entry(entry); |
b3882320 | 1165 | return ret; |
f77d4b73 JA |
1166 | } |
1167 | ||
b3882320 | 1168 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1169 | { |
1170 | struct sk_entry *entry; | |
1171 | FLIST_HEAD(list); | |
b3882320 | 1172 | int ret = 0; |
f77d4b73 JA |
1173 | |
1174 | sk_lock(sk_out); | |
1175 | if (flist_empty(&sk_out->list)) { | |
1176 | sk_unlock(sk_out); | |
b3882320 | 1177 | return 0; |
f77d4b73 JA |
1178 | } |
1179 | ||
1180 | flist_splice_init(&sk_out->list, &list); | |
1181 | sk_unlock(sk_out); | |
1182 | ||
1183 | while (!flist_empty(&list)) { | |
1184 | entry = flist_entry(list.next, struct sk_entry, list); | |
1185 | flist_del(&entry->list); | |
b3882320 | 1186 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1187 | } |
b3882320 JA |
1188 | |
1189 | return ret; | |
f77d4b73 JA |
1190 | } |
1191 | ||
1192 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1193 | { |
1194 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1195 | FLIST_HEAD(job_list); |
132159a5 JA |
1196 | int ret = 0; |
1197 | ||
122c7725 | 1198 | reset_fio_state(); |
122c7725 | 1199 | |
132159a5 JA |
1200 | /* read forever */ |
1201 | while (!exit_backend) { | |
e951bdc4 | 1202 | struct pollfd pfd = { |
f77d4b73 | 1203 | .fd = sk_out->sk, |
e951bdc4 JA |
1204 | .events = POLLIN, |
1205 | }; | |
1206 | ||
e951bdc4 | 1207 | do { |
54163255 JA |
1208 | int timeout = 1000; |
1209 | ||
1210 | if (!flist_empty(&job_list)) | |
1211 | timeout = 100; | |
3c3ed070 | 1212 | |
f77d4b73 JA |
1213 | handle_xmits(sk_out); |
1214 | ||
1215 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1216 | if (ret < 0) { |
1217 | if (errno == EINTR) | |
1218 | break; | |
1219 | log_err("fio: poll: %s\n", strerror(errno)); | |
1220 | break; | |
19c65179 | 1221 | } else if (!ret) { |
6348b5de | 1222 | fio_server_check_jobs(&job_list); |
971caeb1 | 1223 | fio_sem_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1224 | continue; |
19c65179 | 1225 | } |
e951bdc4 JA |
1226 | |
1227 | if (pfd.revents & POLLIN) | |
1228 | break; | |
1229 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1230 | ret = 1; | |
1231 | break; | |
1232 | } | |
19c65179 | 1233 | } while (!exit_backend); |
e951bdc4 | 1234 | |
6348b5de | 1235 | fio_server_check_jobs(&job_list); |
122c7725 | 1236 | |
e951bdc4 JA |
1237 | if (ret < 0) |
1238 | break; | |
1239 | ||
54e62ad4 | 1240 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1241 | if (!cmd) { |
c28e8e8c | 1242 | ret = -1; |
132159a5 JA |
1243 | break; |
1244 | } | |
1245 | ||
f77d4b73 | 1246 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1247 | if (ret) |
1248 | break; | |
1249 | ||
1250 | free(cmd); | |
c77a99e7 | 1251 | cmd = NULL; |
132159a5 JA |
1252 | } |
1253 | ||
1254 | if (cmd) | |
1255 | free(cmd); | |
1256 | ||
f77d4b73 JA |
1257 | handle_xmits(sk_out); |
1258 | ||
1259 | close(sk_out->sk); | |
0ae6acea | 1260 | sk_out->sk = -1; |
bce503fc | 1261 | __sk_out_drop(sk_out); |
122c7725 | 1262 | _exit(ret); |
cc0df00a JA |
1263 | } |
1264 | ||
296ab20a BE |
1265 | /* get the address on this host bound by the input socket, |
1266 | * whether it is ipv6 or ipv4 */ | |
1267 | ||
9d2c74d7 | 1268 | static int get_my_addr_str(int sk) |
296ab20a | 1269 | { |
f77d4b73 JA |
1270 | struct sockaddr_in6 myaddr6 = { 0, }; |
1271 | struct sockaddr_in myaddr4 = { 0, }; | |
1272 | struct sockaddr *sockaddr_p; | |
1273 | char *net_addr; | |
1274 | socklen_t len; | |
1275 | int ret; | |
296ab20a | 1276 | |
f77d4b73 JA |
1277 | if (use_ipv6) { |
1278 | len = sizeof(myaddr6); | |
296ab20a | 1279 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1280 | net_addr = (char * )&myaddr6.sin6_addr; |
1281 | } else { | |
1282 | len = sizeof(myaddr4); | |
296ab20a | 1283 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1284 | net_addr = (char * )&myaddr4.sin_addr; |
1285 | } | |
1286 | ||
296ab20a BE |
1287 | ret = getsockname(sk, sockaddr_p, &len); |
1288 | if (ret) { | |
9af5a245 | 1289 | log_err("fio: getsockname: %s\n", strerror(errno)); |
296ab20a BE |
1290 | return -1; |
1291 | } | |
f77d4b73 JA |
1292 | |
1293 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1294 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1295 | return -1; |
1296 | } | |
f77d4b73 | 1297 | |
296ab20a BE |
1298 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1299 | return 0; | |
1300 | } | |
1301 | ||
ea1cd038 | 1302 | static int accept_loop(int listen_sk) |
50d16976 | 1303 | { |
bb447a27 | 1304 | struct sockaddr_in addr; |
479471c4 JA |
1305 | struct sockaddr_in6 addr6; |
1306 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1307 | struct pollfd pfd; |
4a851614 | 1308 | int ret = 0, sk, exitval = 0; |
6348b5de | 1309 | FLIST_HEAD(conn_list); |
50d16976 | 1310 | |
60efd14e JA |
1311 | dprint(FD_NET, "server enter accept loop\n"); |
1312 | ||
4a851614 | 1313 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1314 | |
122c7725 | 1315 | while (!exit_backend) { |
ea1cd038 | 1316 | struct sk_out *sk_out; |
479471c4 JA |
1317 | const char *from; |
1318 | char buf[64]; | |
122c7725 | 1319 | pid_t pid; |
009b1be4 | 1320 | |
122c7725 JA |
1321 | pfd.fd = listen_sk; |
1322 | pfd.events = POLLIN; | |
1323 | do { | |
54163255 JA |
1324 | int timeout = 1000; |
1325 | ||
1326 | if (!flist_empty(&conn_list)) | |
1327 | timeout = 100; | |
1328 | ||
1329 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1330 | if (ret < 0) { |
1331 | if (errno == EINTR) | |
1332 | break; | |
1333 | log_err("fio: poll: %s\n", strerror(errno)); | |
1334 | break; | |
1335 | } else if (!ret) { | |
6348b5de | 1336 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1337 | continue; |
1338 | } | |
009b1be4 | 1339 | |
122c7725 JA |
1340 | if (pfd.revents & POLLIN) |
1341 | break; | |
1342 | } while (!exit_backend); | |
50d16976 | 1343 | |
6348b5de | 1344 | fio_server_check_conns(&conn_list); |
46c48f1f | 1345 | |
122c7725 JA |
1346 | if (exit_backend || ret < 0) |
1347 | break; | |
1348 | ||
479471c4 JA |
1349 | if (use_ipv6) |
1350 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1351 | else | |
1352 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1353 | ||
122c7725 JA |
1354 | if (sk < 0) { |
1355 | log_err("fio: accept: %s\n", strerror(errno)); | |
1356 | return -1; | |
1357 | } | |
37db14fe | 1358 | |
479471c4 JA |
1359 | if (use_ipv6) |
1360 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1361 | else | |
1362 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1363 | ||
1364 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1365 | |
87c6f22b | 1366 | sk_out = scalloc(1, sizeof(*sk_out)); |
e3500d99 JA |
1367 | if (!sk_out) { |
1368 | close(sk); | |
1369 | return -1; | |
1370 | } | |
1371 | ||
f77d4b73 | 1372 | sk_out->sk = sk; |
bce503fc | 1373 | INIT_FLIST_HEAD(&sk_out->list); |
971caeb1 BVA |
1374 | __fio_sem_init(&sk_out->lock, FIO_SEM_UNLOCKED); |
1375 | __fio_sem_init(&sk_out->wait, FIO_SEM_LOCKED); | |
1376 | __fio_sem_init(&sk_out->xmit, FIO_SEM_UNLOCKED); | |
f77d4b73 | 1377 | |
122c7725 JA |
1378 | pid = fork(); |
1379 | if (pid) { | |
1380 | close(sk); | |
6348b5de | 1381 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1382 | continue; |
1383 | } | |
5c341e9a | 1384 | |
0ae6acea JA |
1385 | /* if error, it's already logged, non-fatal */ |
1386 | get_my_addr_str(sk); | |
1387 | ||
1388 | /* | |
1389 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1390 | * since that function calls _exit() when done | |
1391 | */ | |
bce503fc | 1392 | sk_out_assign(sk_out); |
f77d4b73 | 1393 | handle_connection(sk_out); |
122c7725 | 1394 | } |
5c341e9a | 1395 | |
132159a5 | 1396 | return exitval; |
50d16976 JA |
1397 | } |
1398 | ||
084d1c6f | 1399 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1400 | { |
f77d4b73 | 1401 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1402 | struct cmd_text_pdu *pdu; |
1403 | unsigned int tlen; | |
1404 | struct timeval tv; | |
1405 | ||
f77d4b73 | 1406 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1407 | return -1; |
084d1c6f JA |
1408 | |
1409 | tlen = sizeof(*pdu) + len; | |
1410 | pdu = malloc(tlen); | |
1411 | ||
1412 | pdu->level = __cpu_to_le32(level); | |
1413 | pdu->buf_len = __cpu_to_le32(len); | |
1414 | ||
1415 | gettimeofday(&tv, NULL); | |
1416 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1417 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1418 | |
084d1c6f JA |
1419 | memcpy(pdu->buf, buf, len); |
1420 | ||
f77d4b73 | 1421 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1422 | free(pdu); |
1423 | return len; | |
142575e6 JA |
1424 | } |
1425 | ||
a64e88da JA |
1426 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1427 | { | |
1428 | dst->max_val = cpu_to_le64(src->max_val); | |
1429 | dst->min_val = cpu_to_le64(src->min_val); | |
1430 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1431 | |
1432 | /* | |
1433 | * Encode to IEEE 754 for network transfer | |
1434 | */ | |
e5c9093d JA |
1435 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1436 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1437 | } |
1438 | ||
1439 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1440 | { | |
1441 | int i; | |
1442 | ||
298921d6 | 1443 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1444 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1445 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1446 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1447 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
af7f87cb | 1448 | dst->iobytes[i] = cpu_to_le64(src->iobytes[i]); |
a64e88da JA |
1449 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
1450 | } | |
1451 | ||
1452 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1453 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1454 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1455 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
18aa1998 | 1456 | dst->sig_figs = cpu_to_le32(src->sig_figs); |
a64e88da JA |
1457 | } |
1458 | ||
1459 | /* | |
1460 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1461 | * into a single payload. | |
1462 | */ | |
1463 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1464 | { | |
1465 | struct cmd_ts_pdu p; | |
1466 | int i, j; | |
bb49c8bd VF |
1467 | void *ss_buf; |
1468 | uint64_t *ss_iops, *ss_bw; | |
a64e88da | 1469 | |
60efd14e JA |
1470 | dprint(FD_NET, "server sending end stats\n"); |
1471 | ||
317b3c8b JA |
1472 | memset(&p, 0, sizeof(p)); |
1473 | ||
36833fb0 BVA |
1474 | snprintf(p.ts.name, sizeof(p.ts.name), "%s", ts->name); |
1475 | snprintf(p.ts.verror, sizeof(p.ts.verror), "%s", ts->verror); | |
1476 | snprintf(p.ts.description, sizeof(p.ts.description), "%s", | |
1477 | ts->description); | |
a64e88da | 1478 | |
2f122b13 JA |
1479 | p.ts.error = cpu_to_le32(ts->error); |
1480 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1481 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1482 | p.ts.pid = cpu_to_le32(ts->pid); | |
1483 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1484 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1485 | |
298921d6 | 1486 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1487 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1488 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1489 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1490 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
188b6016 | 1491 | convert_io_stat(&p.ts.iops_stat[i], &ts->iops_stat[i]); |
a64e88da | 1492 | } |
91ea42e5 | 1493 | convert_io_stat(&p.ts.sync_stat, &ts->sync_stat); |
a64e88da JA |
1494 | |
1495 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1496 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1497 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1498 | p.ts.minf = cpu_to_le64(ts->minf); | |
1499 | p.ts.majf = cpu_to_le64(ts->majf); | |
b599759b JA |
1500 | p.ts.clat_percentiles = cpu_to_le32(ts->clat_percentiles); |
1501 | p.ts.lat_percentiles = cpu_to_le32(ts->lat_percentiles); | |
988d97ba | 1502 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1503 | |
1504 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1505 | fio_fp64_t *src = &ts->percentile_list[i]; |
1506 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1507 | |
e5c9093d | 1508 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1509 | } |
a64e88da JA |
1510 | |
1511 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
6cc0e5aa AL |
1512 | p.ts.io_u_map[i] = cpu_to_le64(ts->io_u_map[i]); |
1513 | p.ts.io_u_submit[i] = cpu_to_le64(ts->io_u_submit[i]); | |
1514 | p.ts.io_u_complete[i] = cpu_to_le64(ts->io_u_complete[i]); | |
a64e88da JA |
1515 | } |
1516 | ||
d6bb626e | 1517 | for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) |
6cc0e5aa | 1518 | p.ts.io_u_lat_n[i] = cpu_to_le64(ts->io_u_lat_n[i]); |
d279fccc | 1519 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
6cc0e5aa | 1520 | p.ts.io_u_lat_u[i] = cpu_to_le64(ts->io_u_lat_u[i]); |
d279fccc | 1521 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
6cc0e5aa | 1522 | p.ts.io_u_lat_m[i] = cpu_to_le64(ts->io_u_lat_m[i]); |
a64e88da | 1523 | |
298921d6 | 1524 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da | 1525 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
6cc0e5aa | 1526 | p.ts.io_u_plat[i][j] = cpu_to_le64(ts->io_u_plat[i][j]); |
a64e88da | 1527 | |
91ea42e5 VF |
1528 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1529 | p.ts.io_u_sync_plat[j] = cpu_to_le64(ts->io_u_sync_plat[j]); | |
1530 | ||
1531 | for (i = 0; i < DDIR_RWDIR_SYNC_CNT; i++) | |
a64e88da | 1532 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
91ea42e5 VF |
1533 | |
1534 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
93eee04a | 1535 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1536 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1537 | } |
1538 | ||
93eee04a | 1539 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da | 1540 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
a5951dd7 | 1541 | p.ts.nr_zone_resets = cpu_to_le64(ts->nr_zone_resets); |
a64e88da | 1542 | |
298921d6 | 1543 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1544 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1545 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1546 | } | |
1547 | ||
1548 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1549 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1550 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1551 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1552 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1553 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1554 | |
3e260a46 JA |
1555 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1556 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1557 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1558 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1559 | |
e883cb35 JF |
1560 | p.ts.sig_figs = cpu_to_le32(ts->sig_figs); |
1561 | ||
6cd44635 | 1562 | p.ts.nr_block_infos = cpu_to_le64(ts->nr_block_infos); |
66347cfa | 1563 | for (i = 0; i < p.ts.nr_block_infos; i++) |
6cd44635 | 1564 | p.ts.block_infos[i] = cpu_to_le32(ts->block_infos[i]); |
66347cfa | 1565 | |
bb49c8bd VF |
1566 | p.ts.ss_dur = cpu_to_le64(ts->ss_dur); |
1567 | p.ts.ss_state = cpu_to_le32(ts->ss_state); | |
1568 | p.ts.ss_head = cpu_to_le32(ts->ss_head); | |
bb49c8bd VF |
1569 | p.ts.ss_limit.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_limit.u.f)); |
1570 | p.ts.ss_slope.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_slope.u.f)); | |
1571 | p.ts.ss_deviation.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_deviation.u.f)); | |
1572 | p.ts.ss_criterion.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_criterion.u.f)); | |
1573 | ||
96563db9 JA |
1574 | p.ts.cachehit = cpu_to_le64(ts->cachehit); |
1575 | p.ts.cachemiss = cpu_to_le64(ts->cachemiss); | |
1576 | ||
a64e88da JA |
1577 | convert_gs(&p.rs, rs); |
1578 | ||
bb49c8bd | 1579 | dprint(FD_NET, "ts->ss_state = %d\n", ts->ss_state); |
c8caba48 | 1580 | if (ts->ss_state & FIO_SS_DATA) { |
bb49c8bd VF |
1581 | dprint(FD_NET, "server sending steadystate ring buffers\n"); |
1582 | ||
1583 | ss_buf = malloc(sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t)); | |
1584 | ||
1585 | memcpy(ss_buf, &p, sizeof(p)); | |
1586 | ||
1587 | ss_iops = (uint64_t *) ((struct cmd_ts_pdu *)ss_buf + 1); | |
1588 | ss_bw = ss_iops + (int) ts->ss_dur; | |
1589 | for (i = 0; i < ts->ss_dur; i++) { | |
1590 | ss_iops[i] = cpu_to_le64(ts->ss_iops_data[i]); | |
1591 | ss_bw[i] = cpu_to_le64(ts->ss_bw_data[i]); | |
1592 | } | |
1593 | ||
1594 | fio_net_queue_cmd(FIO_NET_CMD_TS, ss_buf, sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t), NULL, SK_F_COPY); | |
1595 | ||
1596 | free(ss_buf); | |
1597 | } | |
1598 | else | |
1599 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); | |
a64e88da JA |
1600 | } |
1601 | ||
1602 | void fio_server_send_gs(struct group_run_stats *rs) | |
1603 | { | |
1604 | struct group_run_stats gs; | |
1605 | ||
60efd14e JA |
1606 | dprint(FD_NET, "server sending group run stats\n"); |
1607 | ||
a64e88da | 1608 | convert_gs(&gs, rs); |
f77d4b73 | 1609 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1610 | } |
1611 | ||
0279b880 | 1612 | void fio_server_send_job_options(struct flist_head *opt_list, |
a43f4461 | 1613 | unsigned int gid) |
0279b880 JA |
1614 | { |
1615 | struct cmd_job_option pdu; | |
1616 | struct flist_head *entry; | |
1617 | ||
1618 | if (flist_empty(opt_list)) | |
1619 | return; | |
1620 | ||
1621 | flist_for_each(entry, opt_list) { | |
1622 | struct print_option *p; | |
bc0fec0e | 1623 | size_t len; |
0279b880 JA |
1624 | |
1625 | p = flist_entry(entry, struct print_option, list); | |
1626 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1627 | |
a43f4461 | 1628 | if (gid == -1U) { |
0279b880 JA |
1629 | pdu.global = __cpu_to_le16(1); |
1630 | pdu.groupid = 0; | |
1631 | } else { | |
1632 | pdu.global = 0; | |
a43f4461 | 1633 | pdu.groupid = cpu_to_le32(gid); |
bc0fec0e JA |
1634 | } |
1635 | len = strlen(p->name); | |
1636 | if (len >= sizeof(pdu.name)) { | |
1637 | len = sizeof(pdu.name) - 1; | |
1638 | pdu.truncated = __cpu_to_le16(1); | |
1639 | } | |
1640 | memcpy(pdu.name, p->name, len); | |
1641 | if (p->value) { | |
1642 | len = strlen(p->value); | |
1643 | if (len >= sizeof(pdu.value)) { | |
1644 | len = sizeof(pdu.value) - 1; | |
1645 | pdu.truncated = __cpu_to_le16(1); | |
1646 | } | |
1647 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1648 | } |
0279b880 JA |
1649 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1650 | } | |
1651 | } | |
1652 | ||
d09a64a0 JA |
1653 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1654 | { | |
1655 | int i; | |
1656 | ||
1657 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1658 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1659 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1660 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1661 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1662 | } |
1663 | ||
504bc961 JA |
1664 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1665 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1666 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1667 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1668 | } |
1669 | ||
1670 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1671 | { | |
1672 | int i; | |
1673 | ||
36833fb0 | 1674 | snprintf((char *) dst->name, sizeof(dst->name), "%s", src->name); |
d09a64a0 JA |
1675 | |
1676 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1677 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1678 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1679 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1680 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1681 | } |
1682 | ||
504bc961 JA |
1683 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1684 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1685 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1686 | } |
1687 | ||
1688 | void fio_server_send_du(void) | |
1689 | { | |
1690 | struct disk_util *du; | |
1691 | struct flist_head *entry; | |
1692 | struct cmd_du_pdu pdu; | |
1693 | ||
1694 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1695 | ||
0766d92e JA |
1696 | memset(&pdu, 0, sizeof(pdu)); |
1697 | ||
d09a64a0 JA |
1698 | flist_for_each(entry, &disk_list) { |
1699 | du = flist_entry(entry, struct disk_util, list); | |
1700 | ||
1701 | convert_dus(&pdu.dus, &du->dus); | |
1702 | convert_agg(&pdu.agg, &du->agg); | |
1703 | ||
f77d4b73 | 1704 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1705 | } |
1706 | } | |
1707 | ||
3989b143 | 1708 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1709 | |
1710 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1711 | struct sk_entry **last_entry, | |
1712 | struct sk_entry *first) | |
1713 | { | |
1714 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1715 | ||
1716 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1717 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1718 | if (*last_entry) |
1719 | flist_add_tail(&(*last_entry)->list, &first->next); | |
868f6f03 KC |
1720 | } |
1721 | ||
1722 | /* | |
1723 | * Deflates the next input given, creating as many new packets in the | |
1724 | * linked list as necessary. | |
1725 | */ | |
1726 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1727 | struct sk_entry **last_entry, z_stream *stream, | |
1728 | struct sk_entry *first) | |
1729 | { | |
1730 | int ret; | |
1731 | ||
1732 | stream->next_in = next_in; | |
1733 | stream->avail_in = next_sz; | |
1734 | do { | |
1620bb93 | 1735 | if (!stream->avail_out) { |
868f6f03 | 1736 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); |
1620bb93 JA |
1737 | if (*last_entry == NULL) |
1738 | return 1; | |
868f6f03 KC |
1739 | |
1740 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1741 | ||
1742 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1743 | stream->next_out = *out_pdu; | |
1744 | } | |
1745 | ||
1746 | ret = deflate(stream, Z_BLOCK); | |
1747 | ||
1748 | if (ret < 0) { | |
1749 | free(*out_pdu); | |
1750 | return 1; | |
1751 | } | |
1752 | } while (stream->avail_in); | |
1753 | ||
1754 | return 0; | |
1755 | } | |
1756 | ||
1757 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1758 | struct io_logs *cur_log, z_stream *stream) | |
1759 | { | |
1760 | struct sk_entry *entry; | |
1761 | void *out_pdu; | |
1762 | int ret, i, j; | |
1763 | int sample_sz = log_entry_sz(log); | |
1764 | ||
1765 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1766 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1767 | stream->next_out = out_pdu; | |
1768 | ||
1769 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1770 | struct io_sample *s; | |
1771 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
6cc0e5aa | 1772 | uint64_t *cur_plat, *prev_plat; |
868f6f03 KC |
1773 | |
1774 | s = get_sample(log, cur_log, i); | |
1775 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1776 | if (ret) | |
1777 | return ret; | |
1778 | ||
1779 | /* Do the subtraction on server side so that client doesn't have to | |
1780 | * reconstruct our linked list from packets. | |
1781 | */ | |
af2fde19 | 1782 | cur_plat_entry = s->data.plat_entry; |
868f6f03 KC |
1783 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); |
1784 | cur_plat = cur_plat_entry->io_u_plat; | |
1785 | prev_plat = prev_plat_entry->io_u_plat; | |
1786 | ||
1787 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1788 | cur_plat[j] -= prev_plat[j]; | |
1789 | } | |
1790 | ||
1791 | flist_del(&prev_plat_entry->list); | |
1792 | free(prev_plat_entry); | |
1793 | ||
1794 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1795 | &out_pdu, &entry, stream, first); | |
1796 | ||
1797 | if (ret) | |
1798 | return ret; | |
1799 | } | |
1800 | ||
1801 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1620bb93 | 1802 | return entry == NULL; |
868f6f03 KC |
1803 | } |
1804 | ||
7e419452 JA |
1805 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1806 | struct io_logs *cur_log, z_stream *stream) | |
1807 | { | |
e35fb4c4 | 1808 | unsigned int this_len; |
1b42725f | 1809 | void *out_pdu; |
7e419452 | 1810 | int ret; |
1b42725f | 1811 | |
868f6f03 KC |
1812 | if (log->log_type == IO_LOG_TYPE_HIST) |
1813 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1814 | ||
7e419452 JA |
1815 | stream->next_in = (void *) cur_log->log; |
1816 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1817 | |
1818 | do { | |
e35fb4c4 | 1819 | struct sk_entry *entry; |
1b42725f | 1820 | |
7e419452 JA |
1821 | /* |
1822 | * Dirty - since the log is potentially huge, compress it into | |
1823 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1824 | * side defragment it. | |
1825 | */ | |
1826 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1827 | ||
1828 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1829 | stream->next_out = out_pdu; | |
e35fb4c4 | 1830 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1831 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1832 | if (ret < 0) { |
1833 | free(out_pdu); | |
1834 | return 1; | |
1835 | } | |
1b42725f | 1836 | |
7e419452 | 1837 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1838 | |
02594e37 | 1839 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1840 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1620bb93 JA |
1841 | if (!entry) { |
1842 | free(out_pdu); | |
1843 | return 1; | |
1844 | } | |
02594e37 | 1845 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1846 | } while (stream->avail_in); |
1847 | ||
1848 | return 0; | |
1849 | } | |
1850 | ||
1851 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1852 | { | |
f4937575 JA |
1853 | z_stream stream = { |
1854 | .zalloc = Z_NULL, | |
1855 | .zfree = Z_NULL, | |
1856 | .opaque = Z_NULL, | |
1857 | }; | |
7e419452 | 1858 | int ret = 0; |
7e419452 JA |
1859 | |
1860 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1861 | return 1; | |
1862 | ||
1863 | while (!flist_empty(&log->io_logs)) { | |
1864 | struct io_logs *cur_log; | |
1865 | ||
1866 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1867 | flist_del_init(&cur_log->list); | |
1868 | ||
1869 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1870 | if (ret) | |
1871 | break; | |
1872 | } | |
1b42725f | 1873 | |
e35fb4c4 JA |
1874 | ret = deflate(&stream, Z_FINISH); |
1875 | ||
1876 | while (ret != Z_STREAM_END) { | |
1877 | struct sk_entry *entry; | |
1878 | unsigned int this_len; | |
1879 | void *out_pdu; | |
1880 | ||
1881 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1882 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1883 | stream.next_out = out_pdu; | |
1884 | ||
1885 | ret = deflate(&stream, Z_FINISH); | |
1886 | /* may be Z_OK, or Z_STREAM_END */ | |
1887 | if (ret < 0) { | |
1888 | free(out_pdu); | |
1889 | break; | |
1890 | } | |
1891 | ||
1892 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1893 | ||
1894 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1895 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1896 | if (!entry) { |
1897 | free(out_pdu); | |
1898 | break; | |
1899 | } | |
e35fb4c4 JA |
1900 | flist_add_tail(&entry->list, &first->next); |
1901 | } while (ret != Z_STREAM_END); | |
1902 | ||
1903 | ret = deflateEnd(&stream); | |
1904 | if (ret == Z_OK) | |
1905 | return 0; | |
1906 | ||
1907 | return 1; | |
1b42725f | 1908 | } |
7e419452 JA |
1909 | #else |
1910 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1911 | { | |
1912 | return 1; | |
1913 | } | |
1914 | #endif | |
1b42725f | 1915 | |
dfc8e76c | 1916 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1917 | { |
1918 | struct sk_entry *entry; | |
1919 | struct flist_head *node; | |
1620bb93 | 1920 | int ret = 0; |
0cba0f91 JA |
1921 | |
1922 | pthread_mutex_lock(&log->chunk_lock); | |
1923 | flist_for_each(node, &log->chunk_list) { | |
1924 | struct iolog_compress *c; | |
1925 | ||
1926 | c = flist_entry(node, struct iolog_compress, list); | |
1927 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1928 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1929 | if (!entry) { |
1930 | ret = 1; | |
1931 | break; | |
1932 | } | |
0cba0f91 JA |
1933 | flist_add_tail(&entry->list, &first->next); |
1934 | } | |
1935 | pthread_mutex_unlock(&log->chunk_lock); | |
1620bb93 | 1936 | return ret; |
0cba0f91 JA |
1937 | } |
1938 | ||
dfc8e76c JA |
1939 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1940 | { | |
1941 | struct sk_entry *entry; | |
1620bb93 | 1942 | int ret = 0; |
dfc8e76c | 1943 | |
7e419452 JA |
1944 | while (!flist_empty(&log->io_logs)) { |
1945 | struct io_logs *cur_log; | |
1946 | size_t size; | |
1947 | ||
1948 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1949 | flist_del_init(&cur_log->list); | |
1950 | ||
1951 | size = cur_log->nr_samples * log_entry_sz(log); | |
1952 | ||
1953 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1954 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1955 | if (!entry) { |
1956 | ret = 1; | |
1957 | break; | |
1958 | } | |
7e419452 JA |
1959 | flist_add_tail(&entry->list, &first->next); |
1960 | } | |
1961 | ||
1620bb93 | 1962 | return ret; |
dfc8e76c JA |
1963 | } |
1964 | ||
3989b143 JA |
1965 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1966 | { | |
f54ed522 JA |
1967 | struct cmd_iolog_pdu pdu = { |
1968 | .nr_samples = cpu_to_le64(iolog_nr_samples(log)), | |
1969 | .thread_number = cpu_to_le32(td->thread_number), | |
1970 | .log_type = cpu_to_le32(log->log_type), | |
1971 | .log_hist_coarseness = cpu_to_le32(log->hist_coarseness), | |
1972 | }; | |
02594e37 | 1973 | struct sk_entry *first; |
7e419452 JA |
1974 | struct flist_head *entry; |
1975 | int ret = 0; | |
3989b143 | 1976 | |
0cba0f91 JA |
1977 | if (!flist_empty(&log->chunk_list)) |
1978 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1979 | else if (use_zlib) | |
1980 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1981 | else | |
1982 | pdu.compressed = 0; | |
9bdb9265 | 1983 | |
36833fb0 | 1984 | snprintf((char *) pdu.name, sizeof(pdu.name), "%s", name); |
3989b143 | 1985 | |
0cba0f91 JA |
1986 | /* |
1987 | * We can't do this for a pre-compressed log, but for that case, | |
1988 | * log->nr_samples is zero anyway. | |
1989 | */ | |
7e419452 JA |
1990 | flist_for_each(entry, &log->io_logs) { |
1991 | struct io_logs *cur_log; | |
1992 | int i; | |
3989b143 | 1993 | |
7e419452 | 1994 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 1995 | |
7e419452 JA |
1996 | for (i = 0; i < cur_log->nr_samples; i++) { |
1997 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 1998 | |
7e419452 | 1999 | s->time = cpu_to_le64(s->time); |
af2fde19 | 2000 | s->data.val = cpu_to_le64(s->data.val); |
7e419452 | 2001 | s->__ddir = cpu_to_le32(s->__ddir); |
5fff9543 | 2002 | s->bs = cpu_to_le64(s->bs); |
7e419452 JA |
2003 | |
2004 | if (log->log_offset) { | |
2005 | struct io_sample_offset *so = (void *) s; | |
2006 | ||
2007 | so->offset = cpu_to_le64(so->offset); | |
2008 | } | |
ae588852 | 2009 | } |
3989b143 JA |
2010 | } |
2011 | ||
2012 | /* | |
02594e37 | 2013 | * Assemble header entry first |
3989b143 | 2014 | */ |
bead01d7 | 2015 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
1620bb93 JA |
2016 | if (!first) |
2017 | return 1; | |
3989b143 JA |
2018 | |
2019 | /* | |
dfc8e76c JA |
2020 | * Now append actual log entries. If log compression was enabled on |
2021 | * the job, just send out the compressed chunks directly. If we | |
2022 | * have a plain log, compress if we can, then send. Otherwise, send | |
2023 | * the plain text output. | |
3989b143 | 2024 | */ |
0cba0f91 | 2025 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 2026 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 2027 | else if (use_zlib) |
dfc8e76c JA |
2028 | ret = fio_append_iolog_gz(first, log); |
2029 | else | |
2030 | ret = fio_append_text_log(first, log); | |
3989b143 | 2031 | |
bead01d7 | 2032 | fio_net_queue_entry(first); |
f77d4b73 | 2033 | return ret; |
3989b143 JA |
2034 | } |
2035 | ||
2f122b13 | 2036 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 | 2037 | { |
f4937575 JA |
2038 | struct cmd_add_job_pdu pdu = { |
2039 | .thread_number = cpu_to_le32(td->thread_number), | |
2040 | .groupid = cpu_to_le32(td->groupid), | |
2041 | }; | |
807f9971 | 2042 | |
2f122b13 | 2043 | convert_thread_options_to_net(&pdu.top, &td->o); |
807f9971 | 2044 | |
dfc8e76c JA |
2045 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
2046 | SK_F_COPY); | |
807f9971 JA |
2047 | } |
2048 | ||
122c7725 JA |
2049 | void fio_server_send_start(struct thread_data *td) |
2050 | { | |
f77d4b73 JA |
2051 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2052 | ||
2053 | assert(sk_out->sk != -1); | |
122c7725 | 2054 | |
a89ba4b1 | 2055 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
2056 | } |
2057 | ||
ca09be4b | 2058 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 2059 | void **datap) |
ca09be4b JA |
2060 | { |
2061 | struct thread_io_list *s; | |
2062 | struct cmd_sendfile out; | |
2063 | struct cmd_reply *rep; | |
2064 | uint64_t tag; | |
2065 | void *data; | |
c0d3245a | 2066 | int ret; |
ca09be4b JA |
2067 | |
2068 | dprint(FD_NET, "server: request verify state\n"); | |
2069 | ||
2070 | rep = smalloc(sizeof(*rep)); | |
81b3c86f | 2071 | if (!rep) |
c0d3245a | 2072 | return ENOMEM; |
ca09be4b | 2073 | |
971caeb1 | 2074 | __fio_sem_init(&rep->lock, FIO_SEM_LOCKED); |
ca09be4b JA |
2075 | rep->data = NULL; |
2076 | rep->error = 0; | |
2077 | ||
e499aedc JA |
2078 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2079 | threadnumber); | |
ca09be4b | 2080 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2081 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2082 | SK_F_COPY); | |
ca09be4b JA |
2083 | |
2084 | /* | |
2085 | * Wait for the backend to receive the reply | |
2086 | */ | |
971caeb1 | 2087 | if (fio_sem_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2088 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2089 | ret = ETIMEDOUT; |
ca09be4b JA |
2090 | goto fail; |
2091 | } | |
2092 | ||
2093 | if (rep->error) { | |
415c3133 JA |
2094 | log_err("fio: failure on receiving state file %s: %s\n", |
2095 | out.path, strerror(rep->error)); | |
c0d3245a | 2096 | ret = rep->error; |
ca09be4b JA |
2097 | fail: |
2098 | *datap = NULL; | |
2099 | sfree(rep); | |
f77d4b73 | 2100 | fio_net_queue_quit(); |
c0d3245a | 2101 | return ret; |
ca09be4b JA |
2102 | } |
2103 | ||
2104 | /* | |
2105 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2106 | * the header, and the thread_io_list checksum | |
2107 | */ | |
2108 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2109 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2110 | ret = EILSEQ; |
ca09be4b | 2111 | goto fail; |
c0d3245a | 2112 | } |
ca09be4b JA |
2113 | |
2114 | /* | |
2115 | * Don't need the header from now, copy just the thread_io_list | |
2116 | */ | |
c0d3245a | 2117 | ret = 0; |
ca09be4b JA |
2118 | rep->size -= sizeof(struct verify_state_hdr); |
2119 | data = malloc(rep->size); | |
2120 | memcpy(data, s, rep->size); | |
2121 | *datap = data; | |
2122 | ||
2123 | sfree(rep->data); | |
971caeb1 | 2124 | __fio_sem_remove(&rep->lock); |
ca09be4b | 2125 | sfree(rep); |
c0d3245a | 2126 | return ret; |
ca09be4b JA |
2127 | } |
2128 | ||
87aa8f19 | 2129 | static int fio_init_server_ip(void) |
81179eec | 2130 | { |
811826be | 2131 | struct sockaddr *addr; |
67bf9823 | 2132 | socklen_t socklen; |
17e3531a JA |
2133 | char buf[80]; |
2134 | const char *str; | |
87aa8f19 | 2135 | int sk, opt; |
81179eec | 2136 | |
811826be JA |
2137 | if (use_ipv6) |
2138 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2139 | else | |
2140 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2141 | ||
81179eec JA |
2142 | if (sk < 0) { |
2143 | log_err("fio: socket: %s\n", strerror(errno)); | |
2144 | return -1; | |
2145 | } | |
2146 | ||
2147 | opt = 1; | |
1f81991e | 2148 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2149 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2150 | close(sk); |
81179eec JA |
2151 | return -1; |
2152 | } | |
2153 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2154 | /* |
2155 | * Not fatal if fails, so just ignore it if that happens | |
2156 | */ | |
2157 | setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); | |
81179eec JA |
2158 | #endif |
2159 | ||
811826be | 2160 | if (use_ipv6) { |
a6ab5391 | 2161 | void *src = &saddr_in6.sin6_addr; |
17e3531a | 2162 | |
811826be JA |
2163 | addr = (struct sockaddr *) &saddr_in6; |
2164 | socklen = sizeof(saddr_in6); | |
2165 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2166 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2167 | } else { |
a6ab5391 | 2168 | void *src = &saddr_in.sin_addr; |
17e3531a | 2169 | |
811826be JA |
2170 | addr = (struct sockaddr *) &saddr_in; |
2171 | socklen = sizeof(saddr_in); | |
2172 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2173 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2174 | } |
81179eec | 2175 | |
811826be | 2176 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2177 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2178 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2179 | close(sk); |
81179eec JA |
2180 | return -1; |
2181 | } | |
2182 | ||
87aa8f19 JA |
2183 | return sk; |
2184 | } | |
2185 | ||
2186 | static int fio_init_server_sock(void) | |
2187 | { | |
2188 | struct sockaddr_un addr; | |
67bf9823 | 2189 | socklen_t len; |
87aa8f19 JA |
2190 | mode_t mode; |
2191 | int sk; | |
2192 | ||
2193 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2194 | if (sk < 0) { | |
2195 | log_err("fio: socket: %s\n", strerror(errno)); | |
2196 | return -1; | |
2197 | } | |
2198 | ||
2199 | mode = umask(000); | |
2200 | ||
87aa8f19 | 2201 | addr.sun_family = AF_UNIX; |
36833fb0 | 2202 | snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", bind_sock); |
87aa8f19 JA |
2203 | |
2204 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2205 | ||
2206 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2207 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2208 | close(sk); |
87aa8f19 JA |
2209 | return -1; |
2210 | } | |
2211 | ||
2212 | umask(mode); | |
2213 | return sk; | |
2214 | } | |
2215 | ||
2216 | static int fio_init_server_connection(void) | |
2217 | { | |
bebe6398 | 2218 | char bind_str[128]; |
87aa8f19 JA |
2219 | int sk; |
2220 | ||
2221 | dprint(FD_NET, "starting server\n"); | |
2222 | ||
2223 | if (!bind_sock) | |
2224 | sk = fio_init_server_ip(); | |
2225 | else | |
2226 | sk = fio_init_server_sock(); | |
2227 | ||
2228 | if (sk < 0) | |
2229 | return sk; | |
2230 | ||
afdcad23 JA |
2231 | memset(bind_str, 0, sizeof(bind_str)); |
2232 | ||
811826be JA |
2233 | if (!bind_sock) { |
2234 | char *p, port[16]; | |
a6ab5391 | 2235 | void *src; |
811826be JA |
2236 | int af; |
2237 | ||
2238 | if (use_ipv6) { | |
2239 | af = AF_INET6; | |
2240 | src = &saddr_in6.sin6_addr; | |
2241 | } else { | |
2242 | af = AF_INET; | |
2243 | src = &saddr_in.sin_addr; | |
2244 | } | |
2245 | ||
2246 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2247 | ||
2248 | sprintf(port, ",%u", fio_net_port); | |
2249 | if (p) | |
2250 | strcat(p, port); | |
2251 | else | |
36833fb0 | 2252 | snprintf(bind_str, sizeof(bind_str), "%s", port); |
811826be | 2253 | } else |
36833fb0 | 2254 | snprintf(bind_str, sizeof(bind_str), "%s", bind_sock); |
bebe6398 JA |
2255 | |
2256 | log_info("fio: server listening on %s\n", bind_str); | |
2257 | ||
1e1507df | 2258 | if (listen(sk, 4) < 0) { |
81179eec | 2259 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2260 | close(sk); |
81179eec JA |
2261 | return -1; |
2262 | } | |
2263 | ||
87aa8f19 JA |
2264 | return sk; |
2265 | } | |
2266 | ||
3aa3ceeb | 2267 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2268 | struct in6_addr *inp6) |
2269 | ||
2270 | { | |
2271 | int ret = 0; | |
2272 | ||
3aa3ceeb | 2273 | if (ipv6) |
3ec62ec4 JA |
2274 | ret = inet_pton(AF_INET6, host, inp6); |
2275 | else | |
2276 | ret = inet_pton(AF_INET, host, inp); | |
2277 | ||
2278 | if (ret != 1) { | |
f4937575 JA |
2279 | struct addrinfo *res, hints = { |
2280 | .ai_family = ipv6 ? AF_INET6 : AF_INET, | |
2281 | .ai_socktype = SOCK_STREAM, | |
2282 | }; | |
3ec62ec4 | 2283 | |
479471c4 JA |
2284 | ret = getaddrinfo(host, NULL, &hints, &res); |
2285 | if (ret) { | |
2286 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2287 | gai_strerror(ret)); | |
3caf43e3 | 2288 | return 1; |
3ec62ec4 JA |
2289 | } |
2290 | ||
3aa3ceeb | 2291 | if (ipv6) |
479471c4 JA |
2292 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2293 | else | |
2294 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2295 | ||
3ec62ec4 | 2296 | ret = 1; |
479471c4 | 2297 | freeaddrinfo(res); |
3ec62ec4 JA |
2298 | } |
2299 | ||
2300 | return !(ret == 1); | |
2301 | } | |
2302 | ||
660a2bfb JA |
2303 | /* |
2304 | * Parse a host/ip/port string. Reads from 'str'. | |
2305 | * | |
2306 | * Outputs: | |
2307 | * | |
2308 | * For IPv4: | |
2309 | * *ptr is the host, *port is the port, inp is the destination. | |
2310 | * For IPv6: | |
2311 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2312 | * For local domain sockets: | |
2313 | * *ptr is the filename, *is_sock is 1. | |
2314 | */ | |
67d2a9b8 | 2315 | int fio_server_parse_string(const char *str, char **ptr, bool *is_sock, |
811826be JA |
2316 | int *port, struct in_addr *inp, |
2317 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2318 | { |
76867621 JA |
2319 | const char *host = str; |
2320 | char *portp; | |
3ec62ec4 | 2321 | int lport = 0; |
76867621 | 2322 | |
bebe6398 | 2323 | *ptr = NULL; |
67d2a9b8 | 2324 | *is_sock = false; |
6d2cf394 | 2325 | *port = fio_net_port; |
811826be | 2326 | *ipv6 = 0; |
bebe6398 JA |
2327 | |
2328 | if (!strncmp(str, "sock:", 5)) { | |
2329 | *ptr = strdup(str + 5); | |
67d2a9b8 | 2330 | *is_sock = true; |
76867621 JA |
2331 | |
2332 | return 0; | |
2333 | } | |
2334 | ||
2335 | /* | |
2336 | * Is it ip:<ip or host>:port | |
2337 | */ | |
2338 | if (!strncmp(host, "ip:", 3)) | |
2339 | host += 3; | |
2340 | else if (!strncmp(host, "ip4:", 4)) | |
2341 | host += 4; | |
2342 | else if (!strncmp(host, "ip6:", 4)) { | |
2343 | host += 4; | |
2344 | *ipv6 = 1; | |
2345 | } else if (host[0] == ':') { | |
2346 | /* String is :port */ | |
2347 | host++; | |
2348 | lport = atoi(host); | |
2349 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2350 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2351 | return 1; |
2352 | } | |
2353 | /* no hostname given, we are done */ | |
2354 | *port = lport; | |
2355 | return 0; | |
2356 | } | |
2357 | ||
2358 | /* | |
b96b90c3 | 2359 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2360 | */ |
2361 | if (!lport) { | |
2362 | portp = strchr(host, ','); | |
2363 | if (portp) { | |
2364 | *portp = '\0'; | |
2365 | portp++; | |
2366 | lport = atoi(portp); | |
bebe6398 | 2367 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2368 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2369 | return 1; |
2370 | } | |
bebe6398 | 2371 | } |
76867621 | 2372 | } |
bebe6398 | 2373 | |
76867621 JA |
2374 | if (lport) |
2375 | *port = lport; | |
bebe6398 | 2376 | |
76867621 JA |
2377 | if (!strlen(host)) |
2378 | return 0; | |
bebe6398 | 2379 | |
76867621 | 2380 | *ptr = strdup(host); |
811826be | 2381 | |
3aa3ceeb | 2382 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2383 | free(*ptr); |
2384 | *ptr = NULL; | |
2385 | return 1; | |
bebe6398 JA |
2386 | } |
2387 | ||
2388 | if (*port == 0) | |
2389 | *port = fio_net_port; | |
2390 | ||
2391 | return 0; | |
2392 | } | |
2393 | ||
87aa8f19 JA |
2394 | /* |
2395 | * Server arg should be one of: | |
2396 | * | |
2397 | * sock:/path/to/socket | |
2398 | * ip:1.2.3.4 | |
2399 | * 1.2.3.4 | |
2400 | * | |
2401 | * Where sock uses unix domain sockets, and ip binds the server to | |
2402 | * a specific interface. If no arguments are given to the server, it | |
2403 | * uses IP and binds to 0.0.0.0. | |
2404 | * | |
2405 | */ | |
2406 | static int fio_handle_server_arg(void) | |
2407 | { | |
6d2cf394 | 2408 | int port = fio_net_port; |
67d2a9b8 JA |
2409 | bool is_sock; |
2410 | int ret = 0; | |
bebe6398 | 2411 | |
87aa8f19 JA |
2412 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2413 | ||
2414 | if (!fio_server_arg) | |
a7de0a11 | 2415 | goto out; |
87aa8f19 | 2416 | |
4e5b8fb8 | 2417 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2418 | &port, &saddr_in.sin_addr, |
2419 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2420 | |
2421 | if (!is_sock && bind_sock) { | |
2422 | free(bind_sock); | |
2423 | bind_sock = NULL; | |
2424 | } | |
2425 | ||
a7de0a11 | 2426 | out: |
6d2cf394 JA |
2427 | fio_net_port = port; |
2428 | saddr_in.sin_port = htons(port); | |
811826be | 2429 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2430 | return ret; |
87aa8f19 JA |
2431 | } |
2432 | ||
43cdea1d JA |
2433 | static void sig_int(int sig) |
2434 | { | |
2435 | if (bind_sock) | |
2436 | unlink(bind_sock); | |
2437 | } | |
2438 | ||
2439 | static void set_sig_handlers(void) | |
2440 | { | |
f4937575 JA |
2441 | struct sigaction act = { |
2442 | .sa_handler = sig_int, | |
2443 | .sa_flags = SA_RESTART, | |
2444 | }; | |
43cdea1d | 2445 | |
43cdea1d JA |
2446 | sigaction(SIGINT, &act, NULL); |
2447 | } | |
2448 | ||
518a1cf0 JA |
2449 | void fio_server_destroy_sk_key(void) |
2450 | { | |
2451 | pthread_key_delete(sk_out_key); | |
2452 | } | |
2453 | ||
3d80c735 | 2454 | int fio_server_create_sk_key(void) |
87aa8f19 | 2455 | { |
9c003782 JA |
2456 | if (pthread_key_create(&sk_out_key, NULL)) { |
2457 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2458 | return 1; |
9c003782 JA |
2459 | } |
2460 | ||
2461 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2462 | return 0; |
2463 | } | |
2464 | ||
2465 | static int fio_server(void) | |
2466 | { | |
2467 | int sk, ret; | |
9c003782 | 2468 | |
87aa8f19 JA |
2469 | dprint(FD_NET, "starting server\n"); |
2470 | ||
2471 | if (fio_handle_server_arg()) | |
2472 | return -1; | |
2473 | ||
2474 | sk = fio_init_server_connection(); | |
2475 | if (sk < 0) | |
2476 | return -1; | |
81179eec | 2477 | |
43cdea1d JA |
2478 | set_sig_handlers(); |
2479 | ||
ea1cd038 | 2480 | ret = accept_loop(sk); |
87aa8f19 | 2481 | |
81179eec | 2482 | close(sk); |
87aa8f19 JA |
2483 | |
2484 | if (fio_server_arg) { | |
2485 | free(fio_server_arg); | |
2486 | fio_server_arg = NULL; | |
2487 | } | |
bebe6398 JA |
2488 | if (bind_sock) |
2489 | free(bind_sock); | |
87aa8f19 | 2490 | |
81179eec JA |
2491 | return ret; |
2492 | } | |
2493 | ||
7b821684 | 2494 | void fio_server_got_signal(int signal) |
9abea48b | 2495 | { |
f77d4b73 JA |
2496 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2497 | ||
2498 | assert(sk_out); | |
2499 | ||
7b821684 | 2500 | if (signal == SIGPIPE) |
f77d4b73 | 2501 | sk_out->sk = -1; |
7b821684 JA |
2502 | else { |
2503 | log_info("\nfio: terminating on signal %d\n", signal); | |
f1867a7f | 2504 | exit_backend = true; |
7b821684 | 2505 | } |
9abea48b JA |
2506 | } |
2507 | ||
13755d94 JA |
2508 | static int check_existing_pidfile(const char *pidfile) |
2509 | { | |
2510 | struct stat sb; | |
2511 | char buf[16]; | |
2512 | pid_t pid; | |
2513 | FILE *f; | |
2514 | ||
2515 | if (stat(pidfile, &sb)) | |
2516 | return 0; | |
2517 | ||
2518 | f = fopen(pidfile, "r"); | |
2519 | if (!f) | |
2520 | return 0; | |
2521 | ||
bfc3b179 | 2522 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2523 | fclose(f); |
2524 | return 1; | |
2525 | } | |
2526 | fclose(f); | |
2527 | ||
2528 | pid = atoi(buf); | |
2529 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2530 | return errno != ESRCH; |
13755d94 JA |
2531 | |
2532 | return 1; | |
2533 | } | |
2534 | ||
2535 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2536 | { |
2537 | FILE *fpid; | |
2538 | ||
2539 | fpid = fopen(pidfile, "w"); | |
2540 | if (!fpid) { | |
2541 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2542 | return 1; |
402668f3 JA |
2543 | } |
2544 | ||
2545 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2546 | fclose(fpid); |
2547 | return 0; | |
402668f3 JA |
2548 | } |
2549 | ||
2550 | /* | |
2551 | * If pidfile is specified, background us. | |
2552 | */ | |
2553 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
2554 | { |
2555 | pid_t pid; | |
402668f3 | 2556 | int ret; |
e46d8091 | 2557 | |
93bcfd20 | 2558 | #if defined(WIN32) |
905c78b9 | 2559 | WSADATA wsd; |
3c3ed070 | 2560 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2561 | #endif |
2562 | ||
402668f3 | 2563 | if (!pidfile) |
e46d8091 JA |
2564 | return fio_server(); |
2565 | ||
13755d94 JA |
2566 | if (check_existing_pidfile(pidfile)) { |
2567 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2568 | pidfile); | |
b8ba87ac | 2569 | free(pidfile); |
13755d94 JA |
2570 | return -1; |
2571 | } | |
2572 | ||
e46d8091 JA |
2573 | pid = fork(); |
2574 | if (pid < 0) { | |
c5839011 | 2575 | log_err("fio: failed server fork: %s\n", strerror(errno)); |
402668f3 | 2576 | free(pidfile); |
c28e8e8c | 2577 | return -1; |
402668f3 | 2578 | } else if (pid) { |
8a1db9a1 | 2579 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2580 | free(pidfile); |
44c8268d | 2581 | _exit(ret); |
402668f3 | 2582 | } |
e46d8091 JA |
2583 | |
2584 | setsid(); | |
13755d94 | 2585 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
f1867a7f | 2586 | log_syslog = true; |
e46d8091 JA |
2587 | close(STDIN_FILENO); |
2588 | close(STDOUT_FILENO); | |
2589 | close(STDERR_FILENO); | |
2590 | f_out = NULL; | |
2591 | f_err = NULL; | |
402668f3 JA |
2592 | |
2593 | ret = fio_server(); | |
2594 | ||
2595 | closelog(); | |
2596 | unlink(pidfile); | |
2597 | free(pidfile); | |
2598 | return ret; | |
e46d8091 | 2599 | } |
87aa8f19 | 2600 | |
bebe6398 | 2601 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2602 | { |
2603 | fio_server_arg = strdup(arg); | |
2604 | } |