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; | |
fb2bec15 | 412 | int len = le32_to_cpu(__pdu->buf_len); |
0b8f30a5 | 413 | |
fb2bec15 | 414 | buf[len] = '\0'; |
084d1c6f | 415 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
416 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
417 | char *buf = (char *) __pdu->buf; | |
418 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 419 | |
46bcd498 | 420 | buf[len] = '\0'; |
084d1c6f | 421 | } |
0b8f30a5 | 422 | } |
084d1c6f | 423 | |
0b8f30a5 | 424 | /* frag flag is internal */ |
a64e88da | 425 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 426 | } |
a64e88da JA |
427 | |
428 | return cmdret; | |
132159a5 JA |
429 | } |
430 | ||
40c60516 JA |
431 | static void add_reply(uint64_t tag, struct flist_head *list) |
432 | { | |
a572bbfb | 433 | struct fio_net_cmd_reply *reply; |
40c60516 | 434 | |
a572bbfb | 435 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
436 | flist_add_tail(&reply->list, list); |
437 | } | |
438 | ||
439 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
440 | { | |
441 | struct fio_net_cmd_reply *reply; | |
442 | ||
443 | reply = calloc(1, sizeof(*reply)); | |
444 | INIT_FLIST_HEAD(&reply->list); | |
8b6a404c | 445 | fio_gettime(&reply->ts, NULL); |
40c60516 JA |
446 | reply->saved_tag = tag; |
447 | reply->opcode = opcode; | |
448 | ||
449 | return (uintptr_t) reply; | |
450 | } | |
451 | ||
452 | static void free_reply(uint64_t tag) | |
453 | { | |
a572bbfb | 454 | struct fio_net_cmd_reply *reply; |
40c60516 | 455 | |
a572bbfb | 456 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
457 | free(reply); |
458 | } | |
459 | ||
9d2c74d7 | 460 | static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
461 | { |
462 | uint32_t pdu_len; | |
463 | ||
25dfa848 | 464 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
465 | |
466 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
467 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
468 | } | |
469 | ||
9d2c74d7 | 470 | static void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
1b42725f JA |
471 | { |
472 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
473 | } |
474 | ||
af9c9fb3 | 475 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 476 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 477 | { |
7f868316 JA |
478 | struct fio_net_cmd *cmd = NULL; |
479 | size_t this_len, cur_len = 0; | |
40c60516 | 480 | uint64_t tag; |
794d69ca JA |
481 | int ret; |
482 | ||
40c60516 JA |
483 | if (list) { |
484 | assert(tagptr); | |
485 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
486 | } else | |
487 | tag = tagptr ? *tagptr : 0; | |
488 | ||
794d69ca JA |
489 | do { |
490 | this_len = size; | |
b9d2f30a JA |
491 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
492 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 493 | |
7f868316 JA |
494 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
495 | if (cmd) | |
496 | free(cmd); | |
497 | ||
498 | cur_len = sizeof(*cmd) + this_len; | |
499 | cmd = malloc(cur_len); | |
500 | } | |
794d69ca | 501 | |
af9c9fb3 | 502 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
503 | |
504 | if (this_len < size) | |
ddcc0b69 | 505 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
506 | |
507 | fio_net_cmd_crc(cmd); | |
508 | ||
509 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
510 | size -= this_len; |
511 | buf += this_len; | |
512 | } while (!ret && size); | |
513 | ||
40c60516 JA |
514 | if (list) { |
515 | if (ret) | |
516 | free_reply(tag); | |
517 | else | |
518 | add_reply(tag, list); | |
519 | } | |
520 | ||
7f868316 JA |
521 | if (cmd) |
522 | free(cmd); | |
523 | ||
794d69ca JA |
524 | return ret; |
525 | } | |
526 | ||
0cba0f91 JA |
527 | static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, |
528 | size_t size, uint64_t *tagptr, | |
529 | int flags) | |
f77d4b73 | 530 | { |
f77d4b73 JA |
531 | struct sk_entry *entry; |
532 | ||
533 | entry = smalloc(sizeof(*entry)); | |
e3500d99 JA |
534 | if (!entry) |
535 | return NULL; | |
536 | ||
02594e37 | 537 | INIT_FLIST_HEAD(&entry->next); |
f77d4b73 JA |
538 | entry->opcode = opcode; |
539 | if (flags & SK_F_COPY) { | |
540 | entry->buf = smalloc(size); | |
541 | memcpy(entry->buf, buf, size); | |
542 | } else | |
543 | entry->buf = buf; | |
bead01d7 | 544 | |
f77d4b73 | 545 | entry->size = size; |
28c7bcdf JA |
546 | if (tagptr) |
547 | entry->tag = *tagptr; | |
548 | else | |
549 | entry->tag = 0; | |
f77d4b73 | 550 | entry->flags = flags; |
02594e37 JA |
551 | return entry; |
552 | } | |
553 | ||
bead01d7 JA |
554 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry); |
555 | ||
02594e37 JA |
556 | static void fio_net_queue_entry(struct sk_entry *entry) |
557 | { | |
558 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); | |
559 | ||
bead01d7 JA |
560 | if (entry->flags & SK_F_INLINE) |
561 | handle_sk_entry(sk_out, entry); | |
562 | else { | |
563 | sk_lock(sk_out); | |
564 | flist_add_tail(&entry->list, &sk_out->list); | |
565 | sk_unlock(sk_out); | |
f77d4b73 | 566 | |
971caeb1 | 567 | fio_sem_up(&sk_out->wait); |
bead01d7 | 568 | } |
02594e37 | 569 | } |
f77d4b73 | 570 | |
02594e37 JA |
571 | static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size, |
572 | uint64_t *tagptr, int flags) | |
573 | { | |
574 | struct sk_entry *entry; | |
575 | ||
576 | entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags); | |
81b3c86f JA |
577 | if (entry) { |
578 | fio_net_queue_entry(entry); | |
579 | return 0; | |
580 | } | |
581 | ||
582 | return 1; | |
f77d4b73 JA |
583 | } |
584 | ||
89c1707c | 585 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 586 | { |
178cde9f | 587 | struct fio_net_cmd cmd; |
132159a5 | 588 | |
af9c9fb3 | 589 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
590 | fio_net_cmd_crc(&cmd); |
591 | ||
592 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
593 | } | |
594 | ||
89c1707c JA |
595 | /* |
596 | * If 'list' is non-NULL, then allocate and store the sent command for | |
597 | * later verification. | |
598 | */ | |
599 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
600 | struct flist_head *list) | |
601 | { | |
89c1707c JA |
602 | int ret; |
603 | ||
40c60516 JA |
604 | if (list) |
605 | tag = alloc_reply(tag, opcode); | |
89c1707c | 606 | |
40c60516 | 607 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 608 | if (ret) { |
40c60516 JA |
609 | if (list) |
610 | free_reply(tag); | |
611 | ||
89c1707c JA |
612 | return ret; |
613 | } | |
614 | ||
40c60516 JA |
615 | if (list) |
616 | add_reply(tag, list); | |
617 | ||
89c1707c JA |
618 | return 0; |
619 | } | |
620 | ||
f77d4b73 JA |
621 | static int fio_net_queue_quit(void) |
622 | { | |
623 | dprint(FD_NET, "server: sending quit\n"); | |
624 | ||
b647a293 | 625 | return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, NULL, SK_F_SIMPLE); |
f77d4b73 JA |
626 | } |
627 | ||
122c7725 | 628 | int fio_net_send_quit(int sk) |
437377e1 | 629 | { |
46c48f1f | 630 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 631 | |
8c95307b | 632 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
633 | } |
634 | ||
f77d4b73 | 635 | static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal) |
132159a5 | 636 | { |
11e950bd | 637 | struct cmd_end_pdu epdu; |
f58bd2a4 | 638 | uint64_t tag = 0; |
122c7725 | 639 | |
f58bd2a4 JA |
640 | if (cmd) |
641 | tag = cmd->tag; | |
122c7725 JA |
642 | |
643 | epdu.error = __cpu_to_le32(error); | |
644 | epdu.signal = __cpu_to_le32(signal); | |
b647a293 | 645 | return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY); |
f58bd2a4 JA |
646 | } |
647 | ||
f77d4b73 | 648 | static int fio_net_queue_stop(int error, int signal) |
f58bd2a4 JA |
649 | { |
650 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
f77d4b73 | 651 | return fio_net_send_ack(NULL, error, signal); |
122c7725 JA |
652 | } |
653 | ||
654 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
655 | { | |
656 | struct fio_fork_item *ffi; | |
657 | ||
658 | ffi = malloc(sizeof(*ffi)); | |
659 | ffi->exitval = 0; | |
660 | ffi->signal = 0; | |
661 | ffi->exited = 0; | |
662 | ffi->pid = pid; | |
663 | flist_add_tail(&ffi->list, list); | |
664 | } | |
665 | ||
6348b5de | 666 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 667 | { |
a7533dbd | 668 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 669 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
670 | } |
671 | ||
6348b5de | 672 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 673 | { |
a7533dbd | 674 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 675 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
676 | } |
677 | ||
678 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
679 | { | |
680 | int ret, status; | |
681 | ||
682 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
683 | if (ret < 0) { | |
684 | if (errno == ECHILD) { | |
a7533dbd | 685 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
686 | ffi->exited = 1; |
687 | } else | |
688 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
689 | } else if (ret == ffi->pid) { | |
690 | if (WIFSIGNALED(status)) { | |
691 | ffi->signal = WTERMSIG(status); | |
692 | ffi->exited = 1; | |
693 | } | |
694 | if (WIFEXITED(status)) { | |
695 | if (WEXITSTATUS(status)) | |
696 | ffi->exitval = WEXITSTATUS(status); | |
697 | ffi->exited = 1; | |
698 | } | |
699 | } | |
700 | } | |
701 | ||
f77d4b73 | 702 | static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop) |
122c7725 | 703 | { |
a7533dbd | 704 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
705 | |
706 | /* | |
707 | * Fold STOP and QUIT... | |
708 | */ | |
f77d4b73 JA |
709 | if (stop) { |
710 | fio_net_queue_stop(ffi->exitval, ffi->signal); | |
711 | fio_net_queue_quit(); | |
712 | } | |
713 | ||
122c7725 JA |
714 | flist_del(&ffi->list); |
715 | free(ffi); | |
716 | } | |
717 | ||
f77d4b73 | 718 | static void fio_server_check_fork_items(struct flist_head *list, bool stop) |
122c7725 JA |
719 | { |
720 | struct flist_head *entry, *tmp; | |
721 | struct fio_fork_item *ffi; | |
722 | ||
723 | flist_for_each_safe(entry, tmp, list) { | |
724 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
725 | ||
726 | fio_server_check_fork_item(ffi); | |
727 | ||
728 | if (ffi->exited) | |
f77d4b73 | 729 | fio_server_fork_item_done(ffi, stop); |
122c7725 JA |
730 | } |
731 | } | |
732 | ||
6348b5de | 733 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 734 | { |
f77d4b73 | 735 | fio_server_check_fork_items(job_list, true); |
122c7725 JA |
736 | } |
737 | ||
6348b5de | 738 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 739 | { |
f77d4b73 | 740 | fio_server_check_fork_items(conn_list, false); |
122c7725 JA |
741 | } |
742 | ||
323255cc JA |
743 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
744 | { | |
745 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
746 | void *file_name = pdu->file; | |
747 | struct cmd_start_pdu spdu; | |
748 | ||
749 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
750 | ||
751 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
752 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
753 | ||
754 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
f77d4b73 | 755 | fio_net_queue_quit(); |
323255cc JA |
756 | return -1; |
757 | } | |
758 | ||
759 | spdu.jobs = cpu_to_le32(thread_number); | |
760 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
f77d4b73 | 761 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); |
323255cc JA |
762 | return 0; |
763 | } | |
764 | ||
f77d4b73 JA |
765 | static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list, |
766 | struct fio_net_cmd *cmd) | |
122c7725 JA |
767 | { |
768 | pid_t pid; | |
a64e88da | 769 | int ret; |
132159a5 | 770 | |
c0d3245a JA |
771 | sk_out_assign(sk_out); |
772 | ||
cbb1303c | 773 | fio_time_init(); |
122c7725 | 774 | set_genesis_time(); |
11e950bd | 775 | |
122c7725 JA |
776 | pid = fork(); |
777 | if (pid) { | |
6348b5de | 778 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
779 | return 0; |
780 | } | |
11e950bd | 781 | |
24660963 | 782 | ret = fio_backend(sk_out); |
2bb3f0a7 | 783 | free_threads_shm(); |
c0d3245a | 784 | sk_out_drop(); |
122c7725 | 785 | _exit(ret); |
81179eec JA |
786 | } |
787 | ||
b9d2f30a JA |
788 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
789 | { | |
46bcd498 JA |
790 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
791 | void *buf = pdu->buf; | |
b9d2f30a JA |
792 | struct cmd_start_pdu spdu; |
793 | ||
46bcd498 JA |
794 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
795 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
796 | ||
797 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
f77d4b73 | 798 | fio_net_queue_quit(); |
b9d2f30a JA |
799 | return -1; |
800 | } | |
801 | ||
802 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 803 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
804 | |
805 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a JA |
806 | return 0; |
807 | } | |
808 | ||
81179eec JA |
809 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
810 | { | |
fa2ea806 JA |
811 | void *pdu = cmd->payload; |
812 | struct cmd_single_line_pdu *cslp; | |
813 | struct cmd_line_pdu *clp; | |
814 | unsigned long offset; | |
b9d2f30a | 815 | struct cmd_start_pdu spdu; |
fa2ea806 | 816 | char **argv; |
b9d2f30a | 817 | int i; |
81179eec | 818 | |
fa2ea806 JA |
819 | clp = pdu; |
820 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 821 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
822 | argv = malloc(clp->lines * sizeof(char *)); |
823 | offset = sizeof(*clp); | |
81179eec | 824 | |
fa2ea806 | 825 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 826 | |
fa2ea806 JA |
827 | for (i = 0; i < clp->lines; i++) { |
828 | cslp = pdu + offset; | |
829 | argv[i] = (char *) cslp->text; | |
830 | ||
831 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
832 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
833 | } | |
81179eec | 834 | |
46bcd498 | 835 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
f77d4b73 | 836 | fio_net_queue_quit(); |
fa2ea806 | 837 | free(argv); |
81179eec | 838 | return -1; |
e6d1c668 | 839 | } |
81179eec | 840 | |
fa2ea806 JA |
841 | free(argv); |
842 | ||
b9d2f30a | 843 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 844 | spdu.stat_outputs = cpu_to_le32(stat_number); |
f77d4b73 JA |
845 | |
846 | fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY); | |
b9d2f30a | 847 | return 0; |
132159a5 JA |
848 | } |
849 | ||
c28e8e8c JA |
850 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
851 | { | |
3989b143 | 852 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
40c60516 | 853 | uint64_t tag = cmd->tag; |
f4937575 JA |
854 | struct cmd_probe_reply_pdu probe = { |
855 | #ifdef CONFIG_BIG_ENDIAN | |
856 | .bigendian = 1, | |
857 | #endif | |
858 | .os = FIO_OS, | |
859 | .arch = FIO_ARCH, | |
860 | .bpp = sizeof(void *), | |
861 | .cpus = __cpu_to_le32(cpus_online()), | |
862 | }; | |
c28e8e8c | 863 | |
89c1707c JA |
864 | dprint(FD_NET, "server: sending probe reply\n"); |
865 | ||
ca09be4b JA |
866 | strcpy(me, (char *) pdu->server); |
867 | ||
c28e8e8c | 868 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); |
36833fb0 BVA |
869 | snprintf((char *) probe.fio_version, sizeof(probe.fio_version), "%s", |
870 | fio_version_string); | |
c28e8e8c | 871 | |
3989b143 JA |
872 | /* |
873 | * If the client supports compression and we do too, then enable it | |
874 | */ | |
875 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
876 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
877 | use_zlib = 1; | |
878 | } else { | |
879 | probe.flags = 0; | |
880 | use_zlib = 0; | |
881 | } | |
38fdef22 | 882 | |
f77d4b73 | 883 | return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY); |
af9c9fb3 JA |
884 | } |
885 | ||
886 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
887 | { | |
888 | struct jobs_eta *je; | |
40c60516 | 889 | uint64_t tag = cmd->tag; |
723297c9 | 890 | size_t size; |
af9c9fb3 JA |
891 | int i; |
892 | ||
e123c833 JA |
893 | dprint(FD_NET, "server sending status\n"); |
894 | ||
895 | /* | |
896 | * Fake ETA return if we don't have a local one, otherwise the client | |
897 | * will end up timing out waiting for a response to the ETA request | |
898 | */ | |
c5103619 | 899 | je = get_jobs_eta(true, &size); |
b2bee93a JA |
900 | if (!je) { |
901 | size = sizeof(*je); | |
902 | je = calloc(1, size); | |
903 | } else { | |
e123c833 JA |
904 | je->nr_running = cpu_to_le32(je->nr_running); |
905 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
906 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
907 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
908 | je->files_open = cpu_to_le32(je->files_open); | |
909 | ||
910 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
90eff1c9 SW |
911 | je->m_rate[i] = cpu_to_le64(je->m_rate[i]); |
912 | je->t_rate[i] = cpu_to_le64(je->t_rate[i]); | |
e123c833 JA |
913 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); |
914 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
90eff1c9 | 915 | je->rate[i] = cpu_to_le64(je->rate[i]); |
e123c833 JA |
916 | je->iops[i] = cpu_to_le32(je->iops[i]); |
917 | } | |
af9c9fb3 | 918 | |
e123c833 JA |
919 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
920 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
921 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
922 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
923 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
924 | } |
925 | ||
f77d4b73 | 926 | fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE); |
af9c9fb3 | 927 | return 0; |
c28e8e8c JA |
928 | } |
929 | ||
f77d4b73 | 930 | static int send_update_job_reply(uint64_t __tag, int error) |
40c60516 JA |
931 | { |
932 | uint64_t tag = __tag; | |
933 | uint32_t pdu_error; | |
934 | ||
935 | pdu_error = __cpu_to_le32(error); | |
f77d4b73 | 936 | return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY); |
40c60516 JA |
937 | } |
938 | ||
f58bd2a4 JA |
939 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
940 | { | |
941 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
942 | struct thread_data *td; | |
943 | uint32_t tnumber; | |
944 | ||
945 | tnumber = le32_to_cpu(pdu->thread_number); | |
946 | ||
947 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
948 | ||
30ffacbf | 949 | if (!tnumber || tnumber > thread_number) { |
f77d4b73 | 950 | send_update_job_reply(cmd->tag, ENODEV); |
f58bd2a4 JA |
951 | return 0; |
952 | } | |
953 | ||
2fbe1e19 | 954 | td = tnumber_to_td(tnumber); |
f58bd2a4 | 955 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
f77d4b73 | 956 | send_update_job_reply(cmd->tag, 0); |
f58bd2a4 JA |
957 | return 0; |
958 | } | |
959 | ||
785a0e21 | 960 | static int handle_trigger_cmd(struct fio_net_cmd *cmd, struct flist_head *job_list) |
ca09be4b JA |
961 | { |
962 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
963 | char *buf = (char *) pdu->cmd; | |
964 | struct all_io_list *rep; | |
965 | size_t sz; | |
966 | ||
967 | pdu->len = le16_to_cpu(pdu->len); | |
968 | buf[pdu->len] = '\0'; | |
969 | ||
970 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
971 | if (!rep) { | |
972 | struct all_io_list state; | |
973 | ||
974 | state.threads = cpu_to_le64((uint64_t) 0); | |
a89c77ab | 975 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE); |
f77d4b73 | 976 | } else |
a89c77ab | 977 | fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE); |
ca09be4b | 978 | |
64402a8a | 979 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
785a0e21 | 980 | fio_server_check_jobs(job_list); |
ca09be4b JA |
981 | exec_trigger(buf); |
982 | return 0; | |
983 | } | |
984 | ||
f77d4b73 JA |
985 | static int handle_command(struct sk_out *sk_out, struct flist_head *job_list, |
986 | struct fio_net_cmd *cmd) | |
132159a5 JA |
987 | { |
988 | int ret; | |
989 | ||
4b91ee8f JA |
990 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
991 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
992 | (unsigned long long) cmd->tag); | |
46c48f1f | 993 | |
132159a5 JA |
994 | switch (cmd->opcode) { |
995 | case FIO_NET_CMD_QUIT: | |
64402a8a | 996 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
f77d4b73 JA |
997 | ret = 0; |
998 | break; | |
d7959186 | 999 | case FIO_NET_CMD_EXIT: |
f1867a7f | 1000 | exit_backend = true; |
c28e8e8c | 1001 | return -1; |
323255cc JA |
1002 | case FIO_NET_CMD_LOAD_FILE: |
1003 | ret = handle_load_file_cmd(cmd); | |
1004 | break; | |
132159a5 | 1005 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 1006 | ret = handle_job_cmd(cmd); |
132159a5 | 1007 | break; |
81179eec JA |
1008 | case FIO_NET_CMD_JOBLINE: |
1009 | ret = handle_jobline_cmd(cmd); | |
1010 | break; | |
c28e8e8c JA |
1011 | case FIO_NET_CMD_PROBE: |
1012 | ret = handle_probe_cmd(cmd); | |
1013 | break; | |
af9c9fb3 JA |
1014 | case FIO_NET_CMD_SEND_ETA: |
1015 | ret = handle_send_eta_cmd(cmd); | |
1016 | break; | |
b9d2f30a | 1017 | case FIO_NET_CMD_RUN: |
f77d4b73 | 1018 | ret = handle_run_cmd(sk_out, job_list, cmd); |
b9d2f30a | 1019 | break; |
f58bd2a4 JA |
1020 | case FIO_NET_CMD_UPDATE_JOB: |
1021 | ret = handle_update_job_cmd(cmd); | |
1022 | break; | |
ca09be4b | 1023 | case FIO_NET_CMD_VTRIGGER: |
785a0e21 | 1024 | ret = handle_trigger_cmd(cmd, job_list); |
ca09be4b JA |
1025 | break; |
1026 | case FIO_NET_CMD_SENDFILE: { | |
1027 | struct cmd_sendfile_reply *in; | |
1028 | struct cmd_reply *rep; | |
1029 | ||
1030 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
1031 | ||
1032 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
1033 | in->size = le32_to_cpu(in->size); | |
1034 | in->error = le32_to_cpu(in->error); | |
1035 | if (in->error) { | |
1036 | ret = 1; | |
1037 | rep->error = in->error; | |
1038 | } else { | |
1039 | ret = 0; | |
1040 | rep->data = smalloc(in->size); | |
1041 | if (!rep->data) { | |
1042 | ret = 1; | |
1043 | rep->error = ENOMEM; | |
1044 | } else { | |
1045 | rep->size = in->size; | |
1046 | memcpy(rep->data, in->data, in->size); | |
1047 | } | |
1048 | } | |
971caeb1 | 1049 | fio_sem_up(&rep->lock); |
ca09be4b JA |
1050 | break; |
1051 | } | |
132159a5 | 1052 | default: |
3c3ed070 | 1053 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
1054 | ret = 1; |
1055 | } | |
1056 | ||
1057 | return ret; | |
1058 | } | |
1059 | ||
02594e37 JA |
1060 | /* |
1061 | * Send a command with a separate PDU, not inlined in the command | |
1062 | */ | |
1063 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1064 | off_t size, uint64_t tag, uint32_t flags) | |
1065 | { | |
1066 | struct fio_net_cmd cmd; | |
1067 | struct iovec iov[2]; | |
7c922795 JA |
1068 | size_t this_len; |
1069 | int ret; | |
02594e37 JA |
1070 | |
1071 | iov[0].iov_base = (void *) &cmd; | |
1072 | iov[0].iov_len = sizeof(cmd); | |
02594e37 | 1073 | |
7c922795 JA |
1074 | do { |
1075 | uint32_t this_flags = flags; | |
1076 | ||
1077 | this_len = size; | |
1078 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) | |
1079 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1080 | ||
1081 | if (this_len < size) | |
1082 | this_flags |= FIO_NET_CMD_F_MORE; | |
1083 | ||
1084 | __fio_init_net_cmd(&cmd, opcode, this_len, tag); | |
1085 | cmd.flags = __cpu_to_le32(this_flags); | |
1086 | fio_net_cmd_crc_pdu(&cmd, buf); | |
02594e37 | 1087 | |
7c922795 JA |
1088 | iov[1].iov_base = (void *) buf; |
1089 | iov[1].iov_len = this_len; | |
1090 | ||
1091 | ret = fio_sendv_data(sk, iov, 2); | |
1092 | size -= this_len; | |
1093 | buf += this_len; | |
1094 | } while (!ret && size); | |
1095 | ||
1096 | return ret; | |
02594e37 JA |
1097 | } |
1098 | ||
1099 | static void finish_entry(struct sk_entry *entry) | |
1100 | { | |
1101 | if (entry->flags & SK_F_FREE) | |
1102 | free(entry->buf); | |
1103 | else if (entry->flags & SK_F_COPY) | |
1104 | sfree(entry->buf); | |
1105 | ||
1106 | sfree(entry); | |
1107 | } | |
1108 | ||
ba1891d2 JA |
1109 | static void entry_set_flags(struct sk_entry *entry, struct flist_head *list, |
1110 | unsigned int *flags) | |
02594e37 | 1111 | { |
b3882320 JA |
1112 | if (!flist_empty(list)) |
1113 | *flags = FIO_NET_CMD_F_MORE; | |
02594e37 | 1114 | else |
b3882320 | 1115 | *flags = 0; |
b3882320 | 1116 | } |
02594e37 | 1117 | |
b3882320 JA |
1118 | static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first) |
1119 | { | |
1120 | unsigned int flags; | |
b3882320 JA |
1121 | int ret; |
1122 | ||
ba1891d2 | 1123 | entry_set_flags(first, &first->next, &flags); |
b3882320 | 1124 | |
ba1891d2 JA |
1125 | ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, |
1126 | first->size, first->tag, flags); | |
02594e37 JA |
1127 | |
1128 | while (!flist_empty(&first->next)) { | |
1129 | struct sk_entry *next; | |
1130 | ||
1131 | next = flist_first_entry(&first->next, struct sk_entry, list); | |
1132 | flist_del_init(&next->list); | |
02594e37 | 1133 | |
ba1891d2 | 1134 | entry_set_flags(next, &first->next, &flags); |
02594e37 | 1135 | |
ba1891d2 JA |
1136 | ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, |
1137 | next->size, next->tag, flags); | |
02594e37 JA |
1138 | finish_entry(next); |
1139 | } | |
b3882320 JA |
1140 | |
1141 | return ret; | |
02594e37 JA |
1142 | } |
1143 | ||
b3882320 | 1144 | static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry) |
f77d4b73 | 1145 | { |
b3882320 JA |
1146 | int ret; |
1147 | ||
971caeb1 | 1148 | fio_sem_down(&sk_out->xmit); |
bead01d7 | 1149 | |
02594e37 | 1150 | if (entry->flags & SK_F_VEC) |
b3882320 | 1151 | ret = send_vec_entry(sk_out, entry); |
bead01d7 | 1152 | else if (entry->flags & SK_F_SIMPLE) { |
ba1891d2 JA |
1153 | ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, |
1154 | entry->tag, NULL); | |
dfc8e76c JA |
1155 | } else { |
1156 | ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, | |
28c7bcdf | 1157 | entry->size, &entry->tag, NULL); |
dfc8e76c | 1158 | } |
b3882320 | 1159 | |
971caeb1 | 1160 | fio_sem_up(&sk_out->xmit); |
bead01d7 | 1161 | |
b3882320 JA |
1162 | if (ret) |
1163 | log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode)); | |
f77d4b73 | 1164 | |
02594e37 | 1165 | finish_entry(entry); |
b3882320 | 1166 | return ret; |
f77d4b73 JA |
1167 | } |
1168 | ||
b3882320 | 1169 | static int handle_xmits(struct sk_out *sk_out) |
f77d4b73 JA |
1170 | { |
1171 | struct sk_entry *entry; | |
1172 | FLIST_HEAD(list); | |
b3882320 | 1173 | int ret = 0; |
f77d4b73 JA |
1174 | |
1175 | sk_lock(sk_out); | |
1176 | if (flist_empty(&sk_out->list)) { | |
1177 | sk_unlock(sk_out); | |
b3882320 | 1178 | return 0; |
f77d4b73 JA |
1179 | } |
1180 | ||
1181 | flist_splice_init(&sk_out->list, &list); | |
1182 | sk_unlock(sk_out); | |
1183 | ||
1184 | while (!flist_empty(&list)) { | |
1185 | entry = flist_entry(list.next, struct sk_entry, list); | |
1186 | flist_del(&entry->list); | |
b3882320 | 1187 | ret += handle_sk_entry(sk_out, entry); |
f77d4b73 | 1188 | } |
b3882320 JA |
1189 | |
1190 | return ret; | |
f77d4b73 JA |
1191 | } |
1192 | ||
1193 | static int handle_connection(struct sk_out *sk_out) | |
132159a5 JA |
1194 | { |
1195 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 1196 | FLIST_HEAD(job_list); |
132159a5 JA |
1197 | int ret = 0; |
1198 | ||
122c7725 | 1199 | reset_fio_state(); |
122c7725 | 1200 | |
132159a5 JA |
1201 | /* read forever */ |
1202 | while (!exit_backend) { | |
e951bdc4 | 1203 | struct pollfd pfd = { |
f77d4b73 | 1204 | .fd = sk_out->sk, |
e951bdc4 JA |
1205 | .events = POLLIN, |
1206 | }; | |
1207 | ||
e951bdc4 | 1208 | do { |
54163255 JA |
1209 | int timeout = 1000; |
1210 | ||
1211 | if (!flist_empty(&job_list)) | |
1212 | timeout = 100; | |
3c3ed070 | 1213 | |
f77d4b73 JA |
1214 | handle_xmits(sk_out); |
1215 | ||
1216 | ret = poll(&pfd, 1, 0); | |
e951bdc4 JA |
1217 | if (ret < 0) { |
1218 | if (errno == EINTR) | |
1219 | break; | |
1220 | log_err("fio: poll: %s\n", strerror(errno)); | |
1221 | break; | |
19c65179 | 1222 | } else if (!ret) { |
6348b5de | 1223 | fio_server_check_jobs(&job_list); |
971caeb1 | 1224 | fio_sem_down_timeout(&sk_out->wait, timeout); |
e951bdc4 | 1225 | continue; |
19c65179 | 1226 | } |
e951bdc4 JA |
1227 | |
1228 | if (pfd.revents & POLLIN) | |
1229 | break; | |
1230 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
1231 | ret = 1; | |
1232 | break; | |
1233 | } | |
19c65179 | 1234 | } while (!exit_backend); |
e951bdc4 | 1235 | |
6348b5de | 1236 | fio_server_check_jobs(&job_list); |
122c7725 | 1237 | |
e951bdc4 JA |
1238 | if (ret < 0) |
1239 | break; | |
1240 | ||
54e62ad4 | 1241 | cmd = fio_net_recv_cmd(sk_out->sk, true); |
132159a5 | 1242 | if (!cmd) { |
c28e8e8c | 1243 | ret = -1; |
132159a5 JA |
1244 | break; |
1245 | } | |
1246 | ||
f77d4b73 | 1247 | ret = handle_command(sk_out, &job_list, cmd); |
132159a5 JA |
1248 | if (ret) |
1249 | break; | |
1250 | ||
1251 | free(cmd); | |
c77a99e7 | 1252 | cmd = NULL; |
132159a5 JA |
1253 | } |
1254 | ||
1255 | if (cmd) | |
1256 | free(cmd); | |
1257 | ||
f77d4b73 JA |
1258 | handle_xmits(sk_out); |
1259 | ||
1260 | close(sk_out->sk); | |
0ae6acea | 1261 | sk_out->sk = -1; |
bce503fc | 1262 | __sk_out_drop(sk_out); |
122c7725 | 1263 | _exit(ret); |
cc0df00a JA |
1264 | } |
1265 | ||
7a4e480d | 1266 | /* get the address on this host bound by the input socket, |
296ab20a BE |
1267 | * whether it is ipv6 or ipv4 */ |
1268 | ||
9d2c74d7 | 1269 | static int get_my_addr_str(int sk) |
296ab20a | 1270 | { |
f77d4b73 JA |
1271 | struct sockaddr_in6 myaddr6 = { 0, }; |
1272 | struct sockaddr_in myaddr4 = { 0, }; | |
1273 | struct sockaddr *sockaddr_p; | |
1274 | char *net_addr; | |
1275 | socklen_t len; | |
1276 | int ret; | |
296ab20a | 1277 | |
f77d4b73 JA |
1278 | if (use_ipv6) { |
1279 | len = sizeof(myaddr6); | |
296ab20a | 1280 | sockaddr_p = (struct sockaddr * )&myaddr6; |
f77d4b73 JA |
1281 | net_addr = (char * )&myaddr6.sin6_addr; |
1282 | } else { | |
1283 | len = sizeof(myaddr4); | |
296ab20a | 1284 | sockaddr_p = (struct sockaddr * )&myaddr4; |
f77d4b73 JA |
1285 | net_addr = (char * )&myaddr4.sin_addr; |
1286 | } | |
1287 | ||
296ab20a BE |
1288 | ret = getsockname(sk, sockaddr_p, &len); |
1289 | if (ret) { | |
9af5a245 | 1290 | log_err("fio: getsockname: %s\n", strerror(errno)); |
296ab20a BE |
1291 | return -1; |
1292 | } | |
f77d4b73 JA |
1293 | |
1294 | if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) { | |
296ab20a | 1295 | log_err("inet_ntop: failed to convert addr to string\n"); |
296ab20a BE |
1296 | return -1; |
1297 | } | |
f77d4b73 | 1298 | |
296ab20a BE |
1299 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); |
1300 | return 0; | |
1301 | } | |
1302 | ||
ea1cd038 | 1303 | static int accept_loop(int listen_sk) |
50d16976 | 1304 | { |
bb447a27 | 1305 | struct sockaddr_in addr; |
479471c4 JA |
1306 | struct sockaddr_in6 addr6; |
1307 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 1308 | struct pollfd pfd; |
4a851614 | 1309 | int ret = 0, sk, exitval = 0; |
6348b5de | 1310 | FLIST_HEAD(conn_list); |
50d16976 | 1311 | |
60efd14e JA |
1312 | dprint(FD_NET, "server enter accept loop\n"); |
1313 | ||
4a851614 | 1314 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 1315 | |
122c7725 | 1316 | while (!exit_backend) { |
ea1cd038 | 1317 | struct sk_out *sk_out; |
479471c4 JA |
1318 | const char *from; |
1319 | char buf[64]; | |
122c7725 | 1320 | pid_t pid; |
009b1be4 | 1321 | |
122c7725 JA |
1322 | pfd.fd = listen_sk; |
1323 | pfd.events = POLLIN; | |
1324 | do { | |
54163255 JA |
1325 | int timeout = 1000; |
1326 | ||
1327 | if (!flist_empty(&conn_list)) | |
1328 | timeout = 100; | |
1329 | ||
1330 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1331 | if (ret < 0) { |
1332 | if (errno == EINTR) | |
1333 | break; | |
1334 | log_err("fio: poll: %s\n", strerror(errno)); | |
1335 | break; | |
1336 | } else if (!ret) { | |
6348b5de | 1337 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1338 | continue; |
1339 | } | |
009b1be4 | 1340 | |
122c7725 JA |
1341 | if (pfd.revents & POLLIN) |
1342 | break; | |
1343 | } while (!exit_backend); | |
50d16976 | 1344 | |
6348b5de | 1345 | fio_server_check_conns(&conn_list); |
46c48f1f | 1346 | |
122c7725 JA |
1347 | if (exit_backend || ret < 0) |
1348 | break; | |
1349 | ||
479471c4 JA |
1350 | if (use_ipv6) |
1351 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1352 | else | |
1353 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1354 | ||
122c7725 JA |
1355 | if (sk < 0) { |
1356 | log_err("fio: accept: %s\n", strerror(errno)); | |
1357 | return -1; | |
1358 | } | |
37db14fe | 1359 | |
479471c4 JA |
1360 | if (use_ipv6) |
1361 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1362 | else | |
1363 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1364 | ||
1365 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1366 | |
87c6f22b | 1367 | sk_out = scalloc(1, sizeof(*sk_out)); |
e3500d99 JA |
1368 | if (!sk_out) { |
1369 | close(sk); | |
1370 | return -1; | |
1371 | } | |
1372 | ||
f77d4b73 | 1373 | sk_out->sk = sk; |
bce503fc | 1374 | INIT_FLIST_HEAD(&sk_out->list); |
971caeb1 BVA |
1375 | __fio_sem_init(&sk_out->lock, FIO_SEM_UNLOCKED); |
1376 | __fio_sem_init(&sk_out->wait, FIO_SEM_LOCKED); | |
1377 | __fio_sem_init(&sk_out->xmit, FIO_SEM_UNLOCKED); | |
f77d4b73 | 1378 | |
122c7725 JA |
1379 | pid = fork(); |
1380 | if (pid) { | |
1381 | close(sk); | |
6348b5de | 1382 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1383 | continue; |
1384 | } | |
5c341e9a | 1385 | |
0ae6acea JA |
1386 | /* if error, it's already logged, non-fatal */ |
1387 | get_my_addr_str(sk); | |
1388 | ||
1389 | /* | |
1390 | * Assign sk_out here, it'll be dropped in handle_connection() | |
1391 | * since that function calls _exit() when done | |
1392 | */ | |
bce503fc | 1393 | sk_out_assign(sk_out); |
f77d4b73 | 1394 | handle_connection(sk_out); |
122c7725 | 1395 | } |
5c341e9a | 1396 | |
132159a5 | 1397 | return exitval; |
50d16976 JA |
1398 | } |
1399 | ||
084d1c6f | 1400 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1401 | { |
f77d4b73 | 1402 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
084d1c6f JA |
1403 | struct cmd_text_pdu *pdu; |
1404 | unsigned int tlen; | |
1405 | struct timeval tv; | |
1406 | ||
f77d4b73 | 1407 | if (!sk_out || sk_out->sk == -1) |
408e0b90 | 1408 | return -1; |
084d1c6f JA |
1409 | |
1410 | tlen = sizeof(*pdu) + len; | |
1411 | pdu = malloc(tlen); | |
1412 | ||
1413 | pdu->level = __cpu_to_le32(level); | |
1414 | pdu->buf_len = __cpu_to_le32(len); | |
1415 | ||
1416 | gettimeofday(&tv, NULL); | |
1417 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1418 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1419 | |
084d1c6f JA |
1420 | memcpy(pdu->buf, buf, len); |
1421 | ||
f77d4b73 | 1422 | fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY); |
084d1c6f JA |
1423 | free(pdu); |
1424 | return len; | |
142575e6 JA |
1425 | } |
1426 | ||
a64e88da JA |
1427 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1428 | { | |
1429 | dst->max_val = cpu_to_le64(src->max_val); | |
1430 | dst->min_val = cpu_to_le64(src->min_val); | |
1431 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1432 | |
1433 | /* | |
1434 | * Encode to IEEE 754 for network transfer | |
1435 | */ | |
e5c9093d JA |
1436 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1437 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1438 | } |
1439 | ||
1440 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1441 | { | |
1442 | int i; | |
1443 | ||
298921d6 | 1444 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1445 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1446 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1447 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1448 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
af7f87cb | 1449 | dst->iobytes[i] = cpu_to_le64(src->iobytes[i]); |
a64e88da JA |
1450 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
1451 | } | |
1452 | ||
1453 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1454 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1455 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1456 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
18aa1998 | 1457 | dst->sig_figs = cpu_to_le32(src->sig_figs); |
a64e88da JA |
1458 | } |
1459 | ||
1460 | /* | |
1461 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1462 | * into a single payload. | |
1463 | */ | |
1464 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1465 | { | |
1466 | struct cmd_ts_pdu p; | |
df8781b6 | 1467 | int i, j, k; |
bb49c8bd VF |
1468 | void *ss_buf; |
1469 | uint64_t *ss_iops, *ss_bw; | |
a64e88da | 1470 | |
60efd14e JA |
1471 | dprint(FD_NET, "server sending end stats\n"); |
1472 | ||
317b3c8b JA |
1473 | memset(&p, 0, sizeof(p)); |
1474 | ||
36833fb0 BVA |
1475 | snprintf(p.ts.name, sizeof(p.ts.name), "%s", ts->name); |
1476 | snprintf(p.ts.verror, sizeof(p.ts.verror), "%s", ts->verror); | |
1477 | snprintf(p.ts.description, sizeof(p.ts.description), "%s", | |
1478 | ts->description); | |
a64e88da | 1479 | |
2f122b13 JA |
1480 | p.ts.error = cpu_to_le32(ts->error); |
1481 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1482 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1483 | p.ts.pid = cpu_to_le32(ts->pid); | |
1484 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1485 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1486 | |
298921d6 | 1487 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1488 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1489 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1490 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1491 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
188b6016 | 1492 | convert_io_stat(&p.ts.iops_stat[i], &ts->iops_stat[i]); |
a64e88da | 1493 | } |
91ea42e5 | 1494 | convert_io_stat(&p.ts.sync_stat, &ts->sync_stat); |
a64e88da JA |
1495 | |
1496 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1497 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1498 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1499 | p.ts.minf = cpu_to_le64(ts->minf); | |
1500 | p.ts.majf = cpu_to_le64(ts->majf); | |
b599759b JA |
1501 | p.ts.clat_percentiles = cpu_to_le32(ts->clat_percentiles); |
1502 | p.ts.lat_percentiles = cpu_to_le32(ts->lat_percentiles); | |
56440e63 | 1503 | p.ts.slat_percentiles = cpu_to_le32(ts->slat_percentiles); |
988d97ba | 1504 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1505 | |
1506 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1507 | fio_fp64_t *src = &ts->percentile_list[i]; |
1508 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1509 | |
e5c9093d | 1510 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1511 | } |
a64e88da JA |
1512 | |
1513 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
6cc0e5aa AL |
1514 | p.ts.io_u_map[i] = cpu_to_le64(ts->io_u_map[i]); |
1515 | p.ts.io_u_submit[i] = cpu_to_le64(ts->io_u_submit[i]); | |
1516 | p.ts.io_u_complete[i] = cpu_to_le64(ts->io_u_complete[i]); | |
a64e88da JA |
1517 | } |
1518 | ||
d6bb626e | 1519 | for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) |
6cc0e5aa | 1520 | p.ts.io_u_lat_n[i] = cpu_to_le64(ts->io_u_lat_n[i]); |
d279fccc | 1521 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
6cc0e5aa | 1522 | p.ts.io_u_lat_u[i] = cpu_to_le64(ts->io_u_lat_u[i]); |
d279fccc | 1523 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
6cc0e5aa | 1524 | p.ts.io_u_lat_m[i] = cpu_to_le64(ts->io_u_lat_m[i]); |
a64e88da | 1525 | |
df8781b6 VF |
1526 | for (i = 0; i < FIO_LAT_CNT; i++) |
1527 | for (j = 0; j < DDIR_RWDIR_CNT; j++) | |
1528 | for (k = 0; k < FIO_IO_U_PLAT_NR; k++) | |
1529 | p.ts.io_u_plat[i][j][k] = cpu_to_le64(ts->io_u_plat[i][j][k]); | |
a64e88da | 1530 | |
91ea42e5 VF |
1531 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1532 | p.ts.io_u_sync_plat[j] = cpu_to_le64(ts->io_u_sync_plat[j]); | |
1533 | ||
1534 | for (i = 0; i < DDIR_RWDIR_SYNC_CNT; i++) | |
a64e88da | 1535 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
91ea42e5 VF |
1536 | |
1537 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
93eee04a | 1538 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1539 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1540 | } |
1541 | ||
93eee04a | 1542 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da | 1543 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
a5951dd7 | 1544 | p.ts.nr_zone_resets = cpu_to_le64(ts->nr_zone_resets); |
a64e88da | 1545 | |
298921d6 | 1546 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1547 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1548 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1549 | } | |
1550 | ||
1551 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1552 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1553 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1554 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1555 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1556 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1557 | |
3e260a46 JA |
1558 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1559 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1560 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1561 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1562 | |
e883cb35 JF |
1563 | p.ts.sig_figs = cpu_to_le32(ts->sig_figs); |
1564 | ||
6cd44635 | 1565 | p.ts.nr_block_infos = cpu_to_le64(ts->nr_block_infos); |
66347cfa | 1566 | for (i = 0; i < p.ts.nr_block_infos; i++) |
6cd44635 | 1567 | p.ts.block_infos[i] = cpu_to_le32(ts->block_infos[i]); |
66347cfa | 1568 | |
bb49c8bd VF |
1569 | p.ts.ss_dur = cpu_to_le64(ts->ss_dur); |
1570 | p.ts.ss_state = cpu_to_le32(ts->ss_state); | |
1571 | p.ts.ss_head = cpu_to_le32(ts->ss_head); | |
bb49c8bd VF |
1572 | p.ts.ss_limit.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_limit.u.f)); |
1573 | p.ts.ss_slope.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_slope.u.f)); | |
1574 | p.ts.ss_deviation.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_deviation.u.f)); | |
1575 | p.ts.ss_criterion.u.i = cpu_to_le64(fio_double_to_uint64(ts->ss_criterion.u.f)); | |
1576 | ||
96563db9 JA |
1577 | p.ts.cachehit = cpu_to_le64(ts->cachehit); |
1578 | p.ts.cachemiss = cpu_to_le64(ts->cachemiss); | |
1579 | ||
b2a432bf PC |
1580 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
1581 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1582 | p.ts.io_u_plat_high_prio[i][j] = cpu_to_le64(ts->io_u_plat_high_prio[i][j]); | |
efd78265 | 1583 | p.ts.io_u_plat_low_prio[i][j] = cpu_to_le64(ts->io_u_plat_low_prio[i][j]); |
b2a432bf PC |
1584 | } |
1585 | convert_io_stat(&p.ts.clat_high_prio_stat[i], &ts->clat_high_prio_stat[i]); | |
efd78265 | 1586 | convert_io_stat(&p.ts.clat_low_prio_stat[i], &ts->clat_low_prio_stat[i]); |
b2a432bf PC |
1587 | } |
1588 | ||
a64e88da JA |
1589 | convert_gs(&p.rs, rs); |
1590 | ||
bb49c8bd | 1591 | dprint(FD_NET, "ts->ss_state = %d\n", ts->ss_state); |
c8caba48 | 1592 | if (ts->ss_state & FIO_SS_DATA) { |
bb49c8bd VF |
1593 | dprint(FD_NET, "server sending steadystate ring buffers\n"); |
1594 | ||
1595 | ss_buf = malloc(sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t)); | |
1596 | ||
1597 | memcpy(ss_buf, &p, sizeof(p)); | |
1598 | ||
1599 | ss_iops = (uint64_t *) ((struct cmd_ts_pdu *)ss_buf + 1); | |
1600 | ss_bw = ss_iops + (int) ts->ss_dur; | |
1601 | for (i = 0; i < ts->ss_dur; i++) { | |
1602 | ss_iops[i] = cpu_to_le64(ts->ss_iops_data[i]); | |
1603 | ss_bw[i] = cpu_to_le64(ts->ss_bw_data[i]); | |
1604 | } | |
1605 | ||
1606 | fio_net_queue_cmd(FIO_NET_CMD_TS, ss_buf, sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t), NULL, SK_F_COPY); | |
1607 | ||
1608 | free(ss_buf); | |
1609 | } | |
1610 | else | |
1611 | fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY); | |
a64e88da JA |
1612 | } |
1613 | ||
1614 | void fio_server_send_gs(struct group_run_stats *rs) | |
1615 | { | |
1616 | struct group_run_stats gs; | |
1617 | ||
60efd14e JA |
1618 | dprint(FD_NET, "server sending group run stats\n"); |
1619 | ||
a64e88da | 1620 | convert_gs(&gs, rs); |
f77d4b73 | 1621 | fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY); |
cf451d1e JA |
1622 | } |
1623 | ||
0279b880 | 1624 | void fio_server_send_job_options(struct flist_head *opt_list, |
a43f4461 | 1625 | unsigned int gid) |
0279b880 JA |
1626 | { |
1627 | struct cmd_job_option pdu; | |
1628 | struct flist_head *entry; | |
1629 | ||
1630 | if (flist_empty(opt_list)) | |
1631 | return; | |
1632 | ||
1633 | flist_for_each(entry, opt_list) { | |
1634 | struct print_option *p; | |
bc0fec0e | 1635 | size_t len; |
0279b880 JA |
1636 | |
1637 | p = flist_entry(entry, struct print_option, list); | |
1638 | memset(&pdu, 0, sizeof(pdu)); | |
bc0fec0e | 1639 | |
a43f4461 | 1640 | if (gid == -1U) { |
0279b880 JA |
1641 | pdu.global = __cpu_to_le16(1); |
1642 | pdu.groupid = 0; | |
1643 | } else { | |
1644 | pdu.global = 0; | |
a43f4461 | 1645 | pdu.groupid = cpu_to_le32(gid); |
bc0fec0e JA |
1646 | } |
1647 | len = strlen(p->name); | |
1648 | if (len >= sizeof(pdu.name)) { | |
1649 | len = sizeof(pdu.name) - 1; | |
1650 | pdu.truncated = __cpu_to_le16(1); | |
1651 | } | |
1652 | memcpy(pdu.name, p->name, len); | |
1653 | if (p->value) { | |
1654 | len = strlen(p->value); | |
1655 | if (len >= sizeof(pdu.value)) { | |
1656 | len = sizeof(pdu.value) - 1; | |
1657 | pdu.truncated = __cpu_to_le16(1); | |
1658 | } | |
1659 | memcpy(pdu.value, p->value, len); | |
0279b880 | 1660 | } |
0279b880 JA |
1661 | fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
1662 | } | |
1663 | } | |
1664 | ||
d09a64a0 JA |
1665 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1666 | { | |
1667 | int i; | |
1668 | ||
1669 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1670 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1671 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1672 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1673 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1674 | } |
1675 | ||
504bc961 JA |
1676 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1677 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1678 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1679 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1680 | } |
1681 | ||
1682 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1683 | { | |
1684 | int i; | |
1685 | ||
36833fb0 | 1686 | snprintf((char *) dst->name, sizeof(dst->name), "%s", src->name); |
d09a64a0 JA |
1687 | |
1688 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1689 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1690 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1691 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1692 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1693 | } |
1694 | ||
504bc961 JA |
1695 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1696 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1697 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1698 | } |
1699 | ||
1700 | void fio_server_send_du(void) | |
1701 | { | |
1702 | struct disk_util *du; | |
1703 | struct flist_head *entry; | |
1704 | struct cmd_du_pdu pdu; | |
1705 | ||
1706 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1707 | ||
0766d92e JA |
1708 | memset(&pdu, 0, sizeof(pdu)); |
1709 | ||
d09a64a0 JA |
1710 | flist_for_each(entry, &disk_list) { |
1711 | du = flist_entry(entry, struct disk_util, list); | |
1712 | ||
1713 | convert_dus(&pdu.dus, &du->dus); | |
1714 | convert_agg(&pdu.agg, &du->agg); | |
1715 | ||
f77d4b73 | 1716 | fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY); |
d09a64a0 JA |
1717 | } |
1718 | } | |
1719 | ||
3989b143 | 1720 | #ifdef CONFIG_ZLIB |
868f6f03 KC |
1721 | |
1722 | static inline void __fio_net_prep_tail(z_stream *stream, void *out_pdu, | |
1723 | struct sk_entry **last_entry, | |
1724 | struct sk_entry *first) | |
1725 | { | |
1726 | unsigned int this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; | |
1727 | ||
1728 | *last_entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1729 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1730 | if (*last_entry) |
1731 | flist_add_tail(&(*last_entry)->list, &first->next); | |
868f6f03 KC |
1732 | } |
1733 | ||
1734 | /* | |
1735 | * Deflates the next input given, creating as many new packets in the | |
1736 | * linked list as necessary. | |
1737 | */ | |
1738 | static int __deflate_pdu_buffer(void *next_in, unsigned int next_sz, void **out_pdu, | |
1739 | struct sk_entry **last_entry, z_stream *stream, | |
1740 | struct sk_entry *first) | |
1741 | { | |
1742 | int ret; | |
1743 | ||
1744 | stream->next_in = next_in; | |
1745 | stream->avail_in = next_sz; | |
1746 | do { | |
1620bb93 | 1747 | if (!stream->avail_out) { |
868f6f03 | 1748 | __fio_net_prep_tail(stream, *out_pdu, last_entry, first); |
1620bb93 JA |
1749 | if (*last_entry == NULL) |
1750 | return 1; | |
868f6f03 KC |
1751 | |
1752 | *out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1753 | ||
1754 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1755 | stream->next_out = *out_pdu; | |
1756 | } | |
1757 | ||
1758 | ret = deflate(stream, Z_BLOCK); | |
1759 | ||
1760 | if (ret < 0) { | |
1761 | free(*out_pdu); | |
1762 | return 1; | |
1763 | } | |
1764 | } while (stream->avail_in); | |
1765 | ||
1766 | return 0; | |
1767 | } | |
1768 | ||
1769 | static int __fio_append_iolog_gz_hist(struct sk_entry *first, struct io_log *log, | |
1770 | struct io_logs *cur_log, z_stream *stream) | |
1771 | { | |
1772 | struct sk_entry *entry; | |
1773 | void *out_pdu; | |
1774 | int ret, i, j; | |
1775 | int sample_sz = log_entry_sz(log); | |
1776 | ||
1777 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1778 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1779 | stream->next_out = out_pdu; | |
1780 | ||
1781 | for (i = 0; i < cur_log->nr_samples; i++) { | |
1782 | struct io_sample *s; | |
1783 | struct io_u_plat_entry *cur_plat_entry, *prev_plat_entry; | |
6cc0e5aa | 1784 | uint64_t *cur_plat, *prev_plat; |
868f6f03 KC |
1785 | |
1786 | s = get_sample(log, cur_log, i); | |
1787 | ret = __deflate_pdu_buffer(s, sample_sz, &out_pdu, &entry, stream, first); | |
1788 | if (ret) | |
1789 | return ret; | |
1790 | ||
1791 | /* Do the subtraction on server side so that client doesn't have to | |
1792 | * reconstruct our linked list from packets. | |
1793 | */ | |
af2fde19 | 1794 | cur_plat_entry = s->data.plat_entry; |
868f6f03 KC |
1795 | prev_plat_entry = flist_first_entry(&cur_plat_entry->list, struct io_u_plat_entry, list); |
1796 | cur_plat = cur_plat_entry->io_u_plat; | |
1797 | prev_plat = prev_plat_entry->io_u_plat; | |
1798 | ||
1799 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { | |
1800 | cur_plat[j] -= prev_plat[j]; | |
1801 | } | |
1802 | ||
1803 | flist_del(&prev_plat_entry->list); | |
1804 | free(prev_plat_entry); | |
1805 | ||
1806 | ret = __deflate_pdu_buffer(cur_plat_entry, sizeof(*cur_plat_entry), | |
1807 | &out_pdu, &entry, stream, first); | |
1808 | ||
1809 | if (ret) | |
1810 | return ret; | |
1811 | } | |
1812 | ||
1813 | __fio_net_prep_tail(stream, out_pdu, &entry, first); | |
1620bb93 | 1814 | return entry == NULL; |
868f6f03 KC |
1815 | } |
1816 | ||
7e419452 JA |
1817 | static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log, |
1818 | struct io_logs *cur_log, z_stream *stream) | |
1819 | { | |
e35fb4c4 | 1820 | unsigned int this_len; |
1b42725f | 1821 | void *out_pdu; |
7e419452 | 1822 | int ret; |
1b42725f | 1823 | |
868f6f03 KC |
1824 | if (log->log_type == IO_LOG_TYPE_HIST) |
1825 | return __fio_append_iolog_gz_hist(first, log, cur_log, stream); | |
1826 | ||
7e419452 JA |
1827 | stream->next_in = (void *) cur_log->log; |
1828 | stream->avail_in = cur_log->nr_samples * log_entry_sz(log); | |
1b42725f JA |
1829 | |
1830 | do { | |
e35fb4c4 | 1831 | struct sk_entry *entry; |
1b42725f | 1832 | |
7e419452 JA |
1833 | /* |
1834 | * Dirty - since the log is potentially huge, compress it into | |
1835 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1836 | * side defragment it. | |
1837 | */ | |
1838 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1839 | ||
1840 | stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1841 | stream->next_out = out_pdu; | |
e35fb4c4 | 1842 | ret = deflate(stream, Z_BLOCK); |
3c547fe0 | 1843 | /* may be Z_OK, or Z_STREAM_END */ |
7e419452 JA |
1844 | if (ret < 0) { |
1845 | free(out_pdu); | |
1846 | return 1; | |
1847 | } | |
1b42725f | 1848 | |
7e419452 | 1849 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream->avail_out; |
1b42725f | 1850 | |
02594e37 | 1851 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, |
7e419452 | 1852 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); |
1620bb93 JA |
1853 | if (!entry) { |
1854 | free(out_pdu); | |
1855 | return 1; | |
1856 | } | |
02594e37 | 1857 | flist_add_tail(&entry->list, &first->next); |
7e419452 JA |
1858 | } while (stream->avail_in); |
1859 | ||
1860 | return 0; | |
1861 | } | |
1862 | ||
1863 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1864 | { | |
f4937575 JA |
1865 | z_stream stream = { |
1866 | .zalloc = Z_NULL, | |
1867 | .zfree = Z_NULL, | |
1868 | .opaque = Z_NULL, | |
1869 | }; | |
7e419452 | 1870 | int ret = 0; |
7e419452 JA |
1871 | |
1872 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) | |
1873 | return 1; | |
1874 | ||
1875 | while (!flist_empty(&log->io_logs)) { | |
1876 | struct io_logs *cur_log; | |
1877 | ||
1878 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1879 | flist_del_init(&cur_log->list); | |
1880 | ||
1881 | ret = __fio_append_iolog_gz(first, log, cur_log, &stream); | |
1882 | if (ret) | |
1883 | break; | |
1884 | } | |
1b42725f | 1885 | |
e35fb4c4 JA |
1886 | ret = deflate(&stream, Z_FINISH); |
1887 | ||
1888 | while (ret != Z_STREAM_END) { | |
1889 | struct sk_entry *entry; | |
1890 | unsigned int this_len; | |
1891 | void *out_pdu; | |
1892 | ||
1893 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1894 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1895 | stream.next_out = out_pdu; | |
1896 | ||
1897 | ret = deflate(&stream, Z_FINISH); | |
1898 | /* may be Z_OK, or Z_STREAM_END */ | |
1899 | if (ret < 0) { | |
1900 | free(out_pdu); | |
1901 | break; | |
1902 | } | |
1903 | ||
1904 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1905 | ||
1906 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len, | |
1907 | NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE); | |
1620bb93 JA |
1908 | if (!entry) { |
1909 | free(out_pdu); | |
1910 | break; | |
1911 | } | |
e35fb4c4 | 1912 | flist_add_tail(&entry->list, &first->next); |
75094a8b | 1913 | } |
e35fb4c4 JA |
1914 | |
1915 | ret = deflateEnd(&stream); | |
1916 | if (ret == Z_OK) | |
1917 | return 0; | |
1918 | ||
1919 | return 1; | |
1b42725f | 1920 | } |
7e419452 JA |
1921 | #else |
1922 | static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log) | |
1923 | { | |
1924 | return 1; | |
1925 | } | |
1926 | #endif | |
1b42725f | 1927 | |
dfc8e76c | 1928 | static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log) |
0cba0f91 JA |
1929 | { |
1930 | struct sk_entry *entry; | |
1931 | struct flist_head *node; | |
1620bb93 | 1932 | int ret = 0; |
0cba0f91 JA |
1933 | |
1934 | pthread_mutex_lock(&log->chunk_lock); | |
1935 | flist_for_each(node, &log->chunk_list) { | |
1936 | struct iolog_compress *c; | |
1937 | ||
1938 | c = flist_entry(node, struct iolog_compress, list); | |
1939 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len, | |
1940 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1941 | if (!entry) { |
1942 | ret = 1; | |
1943 | break; | |
1944 | } | |
0cba0f91 JA |
1945 | flist_add_tail(&entry->list, &first->next); |
1946 | } | |
1947 | pthread_mutex_unlock(&log->chunk_lock); | |
1620bb93 | 1948 | return ret; |
0cba0f91 JA |
1949 | } |
1950 | ||
dfc8e76c JA |
1951 | static int fio_append_text_log(struct sk_entry *first, struct io_log *log) |
1952 | { | |
1953 | struct sk_entry *entry; | |
1620bb93 | 1954 | int ret = 0; |
dfc8e76c | 1955 | |
7e419452 JA |
1956 | while (!flist_empty(&log->io_logs)) { |
1957 | struct io_logs *cur_log; | |
1958 | size_t size; | |
1959 | ||
1960 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1961 | flist_del_init(&cur_log->list); | |
1962 | ||
1963 | size = cur_log->nr_samples * log_entry_sz(log); | |
1964 | ||
1965 | entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size, | |
1966 | NULL, SK_F_VEC | SK_F_INLINE); | |
1620bb93 JA |
1967 | if (!entry) { |
1968 | ret = 1; | |
1969 | break; | |
1970 | } | |
7e419452 JA |
1971 | flist_add_tail(&entry->list, &first->next); |
1972 | } | |
1973 | ||
1620bb93 | 1974 | return ret; |
dfc8e76c JA |
1975 | } |
1976 | ||
3989b143 JA |
1977 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1978 | { | |
f54ed522 JA |
1979 | struct cmd_iolog_pdu pdu = { |
1980 | .nr_samples = cpu_to_le64(iolog_nr_samples(log)), | |
1981 | .thread_number = cpu_to_le32(td->thread_number), | |
1982 | .log_type = cpu_to_le32(log->log_type), | |
1983 | .log_hist_coarseness = cpu_to_le32(log->hist_coarseness), | |
1984 | }; | |
02594e37 | 1985 | struct sk_entry *first; |
7e419452 JA |
1986 | struct flist_head *entry; |
1987 | int ret = 0; | |
3989b143 | 1988 | |
0cba0f91 JA |
1989 | if (!flist_empty(&log->chunk_list)) |
1990 | pdu.compressed = __cpu_to_le32(STORE_COMPRESSED); | |
1991 | else if (use_zlib) | |
1992 | pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED); | |
1993 | else | |
1994 | pdu.compressed = 0; | |
9bdb9265 | 1995 | |
36833fb0 | 1996 | snprintf((char *) pdu.name, sizeof(pdu.name), "%s", name); |
3989b143 | 1997 | |
0cba0f91 JA |
1998 | /* |
1999 | * We can't do this for a pre-compressed log, but for that case, | |
2000 | * log->nr_samples is zero anyway. | |
2001 | */ | |
7e419452 JA |
2002 | flist_for_each(entry, &log->io_logs) { |
2003 | struct io_logs *cur_log; | |
2004 | int i; | |
3989b143 | 2005 | |
7e419452 | 2006 | cur_log = flist_entry(entry, struct io_logs, list); |
ae588852 | 2007 | |
7e419452 JA |
2008 | for (i = 0; i < cur_log->nr_samples; i++) { |
2009 | struct io_sample *s = get_sample(log, cur_log, i); | |
ae588852 | 2010 | |
7e419452 | 2011 | s->time = cpu_to_le64(s->time); |
af2fde19 | 2012 | s->data.val = cpu_to_le64(s->data.val); |
b2a432bf | 2013 | s->__ddir = __cpu_to_le32(s->__ddir); |
5fff9543 | 2014 | s->bs = cpu_to_le64(s->bs); |
7e419452 JA |
2015 | |
2016 | if (log->log_offset) { | |
2017 | struct io_sample_offset *so = (void *) s; | |
2018 | ||
2019 | so->offset = cpu_to_le64(so->offset); | |
2020 | } | |
ae588852 | 2021 | } |
3989b143 JA |
2022 | } |
2023 | ||
2024 | /* | |
02594e37 | 2025 | * Assemble header entry first |
3989b143 | 2026 | */ |
bead01d7 | 2027 | first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY); |
1620bb93 JA |
2028 | if (!first) |
2029 | return 1; | |
3989b143 JA |
2030 | |
2031 | /* | |
dfc8e76c JA |
2032 | * Now append actual log entries. If log compression was enabled on |
2033 | * the job, just send out the compressed chunks directly. If we | |
2034 | * have a plain log, compress if we can, then send. Otherwise, send | |
2035 | * the plain text output. | |
3989b143 | 2036 | */ |
0cba0f91 | 2037 | if (!flist_empty(&log->chunk_list)) |
dfc8e76c | 2038 | ret = fio_append_gz_chunks(first, log); |
0cba0f91 | 2039 | else if (use_zlib) |
dfc8e76c JA |
2040 | ret = fio_append_iolog_gz(first, log); |
2041 | else | |
2042 | ret = fio_append_text_log(first, log); | |
3989b143 | 2043 | |
bead01d7 | 2044 | fio_net_queue_entry(first); |
f77d4b73 | 2045 | return ret; |
3989b143 JA |
2046 | } |
2047 | ||
2f122b13 | 2048 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 | 2049 | { |
f4937575 JA |
2050 | struct cmd_add_job_pdu pdu = { |
2051 | .thread_number = cpu_to_le32(td->thread_number), | |
2052 | .groupid = cpu_to_le32(td->groupid), | |
2053 | }; | |
807f9971 | 2054 | |
2f122b13 | 2055 | convert_thread_options_to_net(&pdu.top, &td->o); |
807f9971 | 2056 | |
dfc8e76c JA |
2057 | fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, |
2058 | SK_F_COPY); | |
807f9971 JA |
2059 | } |
2060 | ||
122c7725 JA |
2061 | void fio_server_send_start(struct thread_data *td) |
2062 | { | |
f77d4b73 JA |
2063 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2064 | ||
2065 | assert(sk_out->sk != -1); | |
122c7725 | 2066 | |
a89ba4b1 | 2067 | fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, NULL, SK_F_SIMPLE); |
122c7725 JA |
2068 | } |
2069 | ||
ca09be4b | 2070 | int fio_server_get_verify_state(const char *name, int threadnumber, |
94a6e1bb | 2071 | void **datap) |
ca09be4b JA |
2072 | { |
2073 | struct thread_io_list *s; | |
2074 | struct cmd_sendfile out; | |
2075 | struct cmd_reply *rep; | |
2076 | uint64_t tag; | |
2077 | void *data; | |
c0d3245a | 2078 | int ret; |
ca09be4b JA |
2079 | |
2080 | dprint(FD_NET, "server: request verify state\n"); | |
2081 | ||
2082 | rep = smalloc(sizeof(*rep)); | |
81b3c86f | 2083 | if (!rep) |
c0d3245a | 2084 | return ENOMEM; |
ca09be4b | 2085 | |
971caeb1 | 2086 | __fio_sem_init(&rep->lock, FIO_SEM_LOCKED); |
ca09be4b JA |
2087 | rep->data = NULL; |
2088 | rep->error = 0; | |
2089 | ||
e499aedc JA |
2090 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
2091 | threadnumber); | |
ca09be4b | 2092 | tag = (uint64_t) (uintptr_t) rep; |
dfc8e76c JA |
2093 | fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, |
2094 | SK_F_COPY); | |
ca09be4b JA |
2095 | |
2096 | /* | |
2097 | * Wait for the backend to receive the reply | |
2098 | */ | |
971caeb1 | 2099 | if (fio_sem_down_timeout(&rep->lock, 10000)) { |
ca09be4b | 2100 | log_err("fio: timed out waiting for reply\n"); |
c0d3245a | 2101 | ret = ETIMEDOUT; |
ca09be4b JA |
2102 | goto fail; |
2103 | } | |
2104 | ||
2105 | if (rep->error) { | |
415c3133 JA |
2106 | log_err("fio: failure on receiving state file %s: %s\n", |
2107 | out.path, strerror(rep->error)); | |
c0d3245a | 2108 | ret = rep->error; |
ca09be4b JA |
2109 | fail: |
2110 | *datap = NULL; | |
2111 | sfree(rep); | |
f77d4b73 | 2112 | fio_net_queue_quit(); |
c0d3245a | 2113 | return ret; |
ca09be4b JA |
2114 | } |
2115 | ||
2116 | /* | |
2117 | * The format is verify_state_hdr, then thread_io_list. Verify | |
2118 | * the header, and the thread_io_list checksum | |
2119 | */ | |
2120 | s = rep->data + sizeof(struct verify_state_hdr); | |
94a6e1bb | 2121 | if (verify_state_hdr(rep->data, s)) { |
c0d3245a | 2122 | ret = EILSEQ; |
ca09be4b | 2123 | goto fail; |
c0d3245a | 2124 | } |
ca09be4b JA |
2125 | |
2126 | /* | |
2127 | * Don't need the header from now, copy just the thread_io_list | |
2128 | */ | |
c0d3245a | 2129 | ret = 0; |
ca09be4b JA |
2130 | rep->size -= sizeof(struct verify_state_hdr); |
2131 | data = malloc(rep->size); | |
2132 | memcpy(data, s, rep->size); | |
2133 | *datap = data; | |
2134 | ||
2135 | sfree(rep->data); | |
971caeb1 | 2136 | __fio_sem_remove(&rep->lock); |
ca09be4b | 2137 | sfree(rep); |
c0d3245a | 2138 | return ret; |
ca09be4b JA |
2139 | } |
2140 | ||
87aa8f19 | 2141 | static int fio_init_server_ip(void) |
81179eec | 2142 | { |
811826be | 2143 | struct sockaddr *addr; |
67bf9823 | 2144 | socklen_t socklen; |
17e3531a JA |
2145 | char buf[80]; |
2146 | const char *str; | |
87aa8f19 | 2147 | int sk, opt; |
81179eec | 2148 | |
811826be JA |
2149 | if (use_ipv6) |
2150 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
2151 | else | |
2152 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
2153 | ||
81179eec JA |
2154 | if (sk < 0) { |
2155 | log_err("fio: socket: %s\n", strerror(errno)); | |
2156 | return -1; | |
2157 | } | |
2158 | ||
2159 | opt = 1; | |
1f81991e | 2160 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 2161 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 2162 | close(sk); |
81179eec JA |
2163 | return -1; |
2164 | } | |
2165 | #ifdef SO_REUSEPORT | |
8a768c2e JA |
2166 | /* |
2167 | * Not fatal if fails, so just ignore it if that happens | |
2168 | */ | |
affc8edf BVA |
2169 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt))) { |
2170 | } | |
81179eec JA |
2171 | #endif |
2172 | ||
811826be | 2173 | if (use_ipv6) { |
a6ab5391 | 2174 | void *src = &saddr_in6.sin6_addr; |
17e3531a | 2175 | |
811826be JA |
2176 | addr = (struct sockaddr *) &saddr_in6; |
2177 | socklen = sizeof(saddr_in6); | |
2178 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 2179 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 2180 | } else { |
a6ab5391 | 2181 | void *src = &saddr_in.sin_addr; |
17e3531a | 2182 | |
811826be JA |
2183 | addr = (struct sockaddr *) &saddr_in; |
2184 | socklen = sizeof(saddr_in); | |
2185 | saddr_in.sin_family = AF_INET; | |
17e3531a | 2186 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 2187 | } |
81179eec | 2188 | |
811826be | 2189 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 2190 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 2191 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 2192 | close(sk); |
81179eec JA |
2193 | return -1; |
2194 | } | |
2195 | ||
87aa8f19 JA |
2196 | return sk; |
2197 | } | |
2198 | ||
2199 | static int fio_init_server_sock(void) | |
2200 | { | |
2201 | struct sockaddr_un addr; | |
67bf9823 | 2202 | socklen_t len; |
87aa8f19 JA |
2203 | mode_t mode; |
2204 | int sk; | |
2205 | ||
2206 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
2207 | if (sk < 0) { | |
2208 | log_err("fio: socket: %s\n", strerror(errno)); | |
2209 | return -1; | |
2210 | } | |
2211 | ||
2212 | mode = umask(000); | |
2213 | ||
87aa8f19 | 2214 | addr.sun_family = AF_UNIX; |
36833fb0 | 2215 | snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", bind_sock); |
87aa8f19 JA |
2216 | |
2217 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
2218 | ||
2219 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
2220 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 2221 | close(sk); |
87aa8f19 JA |
2222 | return -1; |
2223 | } | |
2224 | ||
2225 | umask(mode); | |
2226 | return sk; | |
2227 | } | |
2228 | ||
2229 | static int fio_init_server_connection(void) | |
2230 | { | |
bebe6398 | 2231 | char bind_str[128]; |
87aa8f19 JA |
2232 | int sk; |
2233 | ||
2234 | dprint(FD_NET, "starting server\n"); | |
2235 | ||
2236 | if (!bind_sock) | |
2237 | sk = fio_init_server_ip(); | |
2238 | else | |
2239 | sk = fio_init_server_sock(); | |
2240 | ||
2241 | if (sk < 0) | |
2242 | return sk; | |
2243 | ||
afdcad23 JA |
2244 | memset(bind_str, 0, sizeof(bind_str)); |
2245 | ||
811826be JA |
2246 | if (!bind_sock) { |
2247 | char *p, port[16]; | |
a6ab5391 | 2248 | void *src; |
811826be JA |
2249 | int af; |
2250 | ||
2251 | if (use_ipv6) { | |
2252 | af = AF_INET6; | |
2253 | src = &saddr_in6.sin6_addr; | |
2254 | } else { | |
2255 | af = AF_INET; | |
2256 | src = &saddr_in.sin_addr; | |
2257 | } | |
2258 | ||
2259 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
2260 | ||
2261 | sprintf(port, ",%u", fio_net_port); | |
2262 | if (p) | |
2263 | strcat(p, port); | |
2264 | else | |
36833fb0 | 2265 | snprintf(bind_str, sizeof(bind_str), "%s", port); |
811826be | 2266 | } else |
36833fb0 | 2267 | snprintf(bind_str, sizeof(bind_str), "%s", bind_sock); |
bebe6398 JA |
2268 | |
2269 | log_info("fio: server listening on %s\n", bind_str); | |
2270 | ||
1e1507df | 2271 | if (listen(sk, 4) < 0) { |
81179eec | 2272 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 2273 | close(sk); |
81179eec JA |
2274 | return -1; |
2275 | } | |
2276 | ||
87aa8f19 JA |
2277 | return sk; |
2278 | } | |
2279 | ||
3aa3ceeb | 2280 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
2281 | struct in6_addr *inp6) |
2282 | ||
2283 | { | |
2284 | int ret = 0; | |
2285 | ||
3aa3ceeb | 2286 | if (ipv6) |
3ec62ec4 JA |
2287 | ret = inet_pton(AF_INET6, host, inp6); |
2288 | else | |
2289 | ret = inet_pton(AF_INET, host, inp); | |
2290 | ||
2291 | if (ret != 1) { | |
f4937575 JA |
2292 | struct addrinfo *res, hints = { |
2293 | .ai_family = ipv6 ? AF_INET6 : AF_INET, | |
2294 | .ai_socktype = SOCK_STREAM, | |
2295 | }; | |
3ec62ec4 | 2296 | |
479471c4 JA |
2297 | ret = getaddrinfo(host, NULL, &hints, &res); |
2298 | if (ret) { | |
2299 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
2300 | gai_strerror(ret)); | |
3caf43e3 | 2301 | return 1; |
3ec62ec4 JA |
2302 | } |
2303 | ||
3aa3ceeb | 2304 | if (ipv6) |
479471c4 JA |
2305 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
2306 | else | |
2307 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
2308 | ||
3ec62ec4 | 2309 | ret = 1; |
479471c4 | 2310 | freeaddrinfo(res); |
3ec62ec4 JA |
2311 | } |
2312 | ||
2313 | return !(ret == 1); | |
2314 | } | |
2315 | ||
660a2bfb JA |
2316 | /* |
2317 | * Parse a host/ip/port string. Reads from 'str'. | |
2318 | * | |
2319 | * Outputs: | |
2320 | * | |
2321 | * For IPv4: | |
2322 | * *ptr is the host, *port is the port, inp is the destination. | |
2323 | * For IPv6: | |
2324 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
2325 | * For local domain sockets: | |
2326 | * *ptr is the filename, *is_sock is 1. | |
2327 | */ | |
67d2a9b8 | 2328 | int fio_server_parse_string(const char *str, char **ptr, bool *is_sock, |
811826be JA |
2329 | int *port, struct in_addr *inp, |
2330 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 2331 | { |
76867621 JA |
2332 | const char *host = str; |
2333 | char *portp; | |
3ec62ec4 | 2334 | int lport = 0; |
76867621 | 2335 | |
bebe6398 | 2336 | *ptr = NULL; |
67d2a9b8 | 2337 | *is_sock = false; |
6d2cf394 | 2338 | *port = fio_net_port; |
811826be | 2339 | *ipv6 = 0; |
bebe6398 JA |
2340 | |
2341 | if (!strncmp(str, "sock:", 5)) { | |
2342 | *ptr = strdup(str + 5); | |
67d2a9b8 | 2343 | *is_sock = true; |
76867621 JA |
2344 | |
2345 | return 0; | |
2346 | } | |
2347 | ||
2348 | /* | |
2349 | * Is it ip:<ip or host>:port | |
2350 | */ | |
2351 | if (!strncmp(host, "ip:", 3)) | |
2352 | host += 3; | |
2353 | else if (!strncmp(host, "ip4:", 4)) | |
2354 | host += 4; | |
2355 | else if (!strncmp(host, "ip6:", 4)) { | |
2356 | host += 4; | |
2357 | *ipv6 = 1; | |
2358 | } else if (host[0] == ':') { | |
2359 | /* String is :port */ | |
2360 | host++; | |
2361 | lport = atoi(host); | |
2362 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 2363 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
2364 | return 1; |
2365 | } | |
2366 | /* no hostname given, we are done */ | |
2367 | *port = lport; | |
2368 | return 0; | |
2369 | } | |
2370 | ||
2371 | /* | |
b96b90c3 | 2372 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
2373 | */ |
2374 | if (!lport) { | |
2375 | portp = strchr(host, ','); | |
2376 | if (portp) { | |
2377 | *portp = '\0'; | |
2378 | portp++; | |
2379 | lport = atoi(portp); | |
bebe6398 | 2380 | if (!lport || lport > 65535) { |
4e0a8fa2 | 2381 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
2382 | return 1; |
2383 | } | |
bebe6398 | 2384 | } |
76867621 | 2385 | } |
bebe6398 | 2386 | |
76867621 JA |
2387 | if (lport) |
2388 | *port = lport; | |
bebe6398 | 2389 | |
76867621 JA |
2390 | if (!strlen(host)) |
2391 | return 0; | |
bebe6398 | 2392 | |
76867621 | 2393 | *ptr = strdup(host); |
811826be | 2394 | |
3aa3ceeb | 2395 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
2396 | free(*ptr); |
2397 | *ptr = NULL; | |
2398 | return 1; | |
bebe6398 JA |
2399 | } |
2400 | ||
2401 | if (*port == 0) | |
2402 | *port = fio_net_port; | |
2403 | ||
2404 | return 0; | |
2405 | } | |
2406 | ||
87aa8f19 JA |
2407 | /* |
2408 | * Server arg should be one of: | |
2409 | * | |
2410 | * sock:/path/to/socket | |
2411 | * ip:1.2.3.4 | |
2412 | * 1.2.3.4 | |
2413 | * | |
2414 | * Where sock uses unix domain sockets, and ip binds the server to | |
2415 | * a specific interface. If no arguments are given to the server, it | |
2416 | * uses IP and binds to 0.0.0.0. | |
2417 | * | |
2418 | */ | |
2419 | static int fio_handle_server_arg(void) | |
2420 | { | |
6d2cf394 | 2421 | int port = fio_net_port; |
67d2a9b8 JA |
2422 | bool is_sock; |
2423 | int ret = 0; | |
bebe6398 | 2424 | |
87aa8f19 JA |
2425 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
2426 | ||
2427 | if (!fio_server_arg) | |
a7de0a11 | 2428 | goto out; |
87aa8f19 | 2429 | |
4e5b8fb8 | 2430 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
2431 | &port, &saddr_in.sin_addr, |
2432 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
2433 | |
2434 | if (!is_sock && bind_sock) { | |
2435 | free(bind_sock); | |
2436 | bind_sock = NULL; | |
2437 | } | |
2438 | ||
a7de0a11 | 2439 | out: |
6d2cf394 JA |
2440 | fio_net_port = port; |
2441 | saddr_in.sin_port = htons(port); | |
811826be | 2442 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 2443 | return ret; |
87aa8f19 JA |
2444 | } |
2445 | ||
43cdea1d JA |
2446 | static void sig_int(int sig) |
2447 | { | |
2448 | if (bind_sock) | |
2449 | unlink(bind_sock); | |
2450 | } | |
2451 | ||
2452 | static void set_sig_handlers(void) | |
2453 | { | |
f4937575 JA |
2454 | struct sigaction act = { |
2455 | .sa_handler = sig_int, | |
2456 | .sa_flags = SA_RESTART, | |
2457 | }; | |
43cdea1d | 2458 | |
43cdea1d | 2459 | sigaction(SIGINT, &act, NULL); |
2cf71009 BP |
2460 | |
2461 | /* Windows uses SIGBREAK as a quit signal from other applications */ | |
2462 | #ifdef WIN32 | |
2463 | sigaction(SIGBREAK, &act, NULL); | |
2464 | #endif | |
43cdea1d JA |
2465 | } |
2466 | ||
518a1cf0 JA |
2467 | void fio_server_destroy_sk_key(void) |
2468 | { | |
2469 | pthread_key_delete(sk_out_key); | |
2470 | } | |
2471 | ||
3d80c735 | 2472 | int fio_server_create_sk_key(void) |
87aa8f19 | 2473 | { |
9c003782 JA |
2474 | if (pthread_key_create(&sk_out_key, NULL)) { |
2475 | log_err("fio: can't create sk_out backend key\n"); | |
3d80c735 | 2476 | return 1; |
9c003782 JA |
2477 | } |
2478 | ||
2479 | pthread_setspecific(sk_out_key, NULL); | |
3d80c735 JA |
2480 | return 0; |
2481 | } | |
2482 | ||
2483 | static int fio_server(void) | |
2484 | { | |
2485 | int sk, ret; | |
9c003782 | 2486 | |
87aa8f19 JA |
2487 | dprint(FD_NET, "starting server\n"); |
2488 | ||
2489 | if (fio_handle_server_arg()) | |
2490 | return -1; | |
2491 | ||
2492 | sk = fio_init_server_connection(); | |
2493 | if (sk < 0) | |
2494 | return -1; | |
81179eec | 2495 | |
43cdea1d JA |
2496 | set_sig_handlers(); |
2497 | ||
ea1cd038 | 2498 | ret = accept_loop(sk); |
87aa8f19 | 2499 | |
81179eec | 2500 | close(sk); |
87aa8f19 JA |
2501 | |
2502 | if (fio_server_arg) { | |
2503 | free(fio_server_arg); | |
2504 | fio_server_arg = NULL; | |
2505 | } | |
bebe6398 JA |
2506 | if (bind_sock) |
2507 | free(bind_sock); | |
87aa8f19 | 2508 | |
81179eec JA |
2509 | return ret; |
2510 | } | |
2511 | ||
7b821684 | 2512 | void fio_server_got_signal(int signal) |
9abea48b | 2513 | { |
f77d4b73 JA |
2514 | struct sk_out *sk_out = pthread_getspecific(sk_out_key); |
2515 | ||
2516 | assert(sk_out); | |
2517 | ||
7b821684 | 2518 | if (signal == SIGPIPE) |
f77d4b73 | 2519 | sk_out->sk = -1; |
7b821684 JA |
2520 | else { |
2521 | log_info("\nfio: terminating on signal %d\n", signal); | |
f1867a7f | 2522 | exit_backend = true; |
7b821684 | 2523 | } |
9abea48b JA |
2524 | } |
2525 | ||
13755d94 JA |
2526 | static int check_existing_pidfile(const char *pidfile) |
2527 | { | |
2528 | struct stat sb; | |
2529 | char buf[16]; | |
2530 | pid_t pid; | |
2531 | FILE *f; | |
2532 | ||
2533 | if (stat(pidfile, &sb)) | |
2534 | return 0; | |
2535 | ||
2536 | f = fopen(pidfile, "r"); | |
2537 | if (!f) | |
2538 | return 0; | |
2539 | ||
bfc3b179 | 2540 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
2541 | fclose(f); |
2542 | return 1; | |
2543 | } | |
2544 | fclose(f); | |
2545 | ||
2546 | pid = atoi(buf); | |
2547 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 2548 | return errno != ESRCH; |
13755d94 JA |
2549 | |
2550 | return 1; | |
2551 | } | |
2552 | ||
2553 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
2554 | { |
2555 | FILE *fpid; | |
2556 | ||
2557 | fpid = fopen(pidfile, "w"); | |
2558 | if (!fpid) { | |
2559 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 2560 | return 1; |
402668f3 JA |
2561 | } |
2562 | ||
2563 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
2564 | fclose(fpid); |
2565 | return 0; | |
402668f3 JA |
2566 | } |
2567 | ||
2568 | /* | |
2569 | * If pidfile is specified, background us. | |
2570 | */ | |
2571 | int fio_start_server(char *pidfile) | |
e46d8091 | 2572 | { |
d6096098 | 2573 | FILE *file; |
e46d8091 | 2574 | pid_t pid; |
402668f3 | 2575 | int ret; |
e46d8091 | 2576 | |
93bcfd20 | 2577 | #if defined(WIN32) |
905c78b9 | 2578 | WSADATA wsd; |
3c3ed070 | 2579 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
2580 | #endif |
2581 | ||
402668f3 | 2582 | if (!pidfile) |
e46d8091 JA |
2583 | return fio_server(); |
2584 | ||
13755d94 JA |
2585 | if (check_existing_pidfile(pidfile)) { |
2586 | log_err("fio: pidfile %s exists and server appears alive\n", | |
2587 | pidfile); | |
b8ba87ac | 2588 | free(pidfile); |
13755d94 JA |
2589 | return -1; |
2590 | } | |
2591 | ||
e46d8091 JA |
2592 | pid = fork(); |
2593 | if (pid < 0) { | |
c5839011 | 2594 | log_err("fio: failed server fork: %s\n", strerror(errno)); |
402668f3 | 2595 | free(pidfile); |
c28e8e8c | 2596 | return -1; |
402668f3 | 2597 | } else if (pid) { |
8a1db9a1 | 2598 | ret = write_pid(pid, pidfile); |
b8ba87ac | 2599 | free(pidfile); |
44c8268d | 2600 | _exit(ret); |
402668f3 | 2601 | } |
e46d8091 JA |
2602 | |
2603 | setsid(); | |
13755d94 | 2604 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
f1867a7f | 2605 | log_syslog = true; |
d6096098 AE |
2606 | |
2607 | file = freopen("/dev/null", "r", stdin); | |
2608 | if (!file) | |
2609 | perror("freopen"); | |
2610 | ||
2611 | file = freopen("/dev/null", "w", stdout); | |
2612 | if (!file) | |
2613 | perror("freopen"); | |
2614 | ||
2615 | file = freopen("/dev/null", "w", stderr); | |
2616 | if (!file) | |
2617 | perror("freopen"); | |
2618 | ||
e46d8091 JA |
2619 | f_out = NULL; |
2620 | f_err = NULL; | |
402668f3 JA |
2621 | |
2622 | ret = fio_server(); | |
2623 | ||
d6096098 AE |
2624 | fclose(stdin); |
2625 | fclose(stdout); | |
2626 | fclose(stderr); | |
2627 | ||
402668f3 JA |
2628 | closelog(); |
2629 | unlink(pidfile); | |
2630 | free(pidfile); | |
2631 | return ret; | |
e46d8091 | 2632 | } |
87aa8f19 | 2633 | |
bebe6398 | 2634 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
2635 | { |
2636 | fio_server_arg = strdup(arg); | |
2637 | } |