Commit | Line | Data |
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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
142575e6 | 3 | #include <stdarg.h> |
50d16976 JA |
4 | #include <unistd.h> |
5 | #include <limits.h> | |
50d16976 | 6 | #include <errno.h> |
50d16976 | 7 | #include <sys/poll.h> |
50d16976 JA |
8 | #include <sys/types.h> |
9 | #include <sys/wait.h> | |
d05c4a03 | 10 | #include <sys/socket.h> |
87aa8f19 JA |
11 | #include <sys/stat.h> |
12 | #include <sys/un.h> | |
1f51bba9 | 13 | #include <sys/uio.h> |
50d16976 JA |
14 | #include <netinet/in.h> |
15 | #include <arpa/inet.h> | |
16 | #include <netdb.h> | |
e46d8091 | 17 | #include <syslog.h> |
9e22ecb0 | 18 | #include <signal.h> |
3989b143 | 19 | #ifdef CONFIG_ZLIB |
1b42725f | 20 | #include <zlib.h> |
3989b143 | 21 | #endif |
50d16976 JA |
22 | |
23 | #include "fio.h" | |
296ab20a | 24 | #include "options.h" |
132159a5 | 25 | #include "server.h" |
fcee5ff6 | 26 | #include "crc/crc16.h" |
c7c6cb4c | 27 | #include "lib/ieee754.h" |
ca09be4b JA |
28 | #include "verify.h" |
29 | #include "smalloc.h" | |
89cf1480 | 30 | |
5adc2447 | 31 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 32 | |
009b1be4 JA |
33 | int exit_backend = 0; |
34 | ||
46c48f1f | 35 | static int server_fd = -1; |
87aa8f19 JA |
36 | static char *fio_server_arg; |
37 | static char *bind_sock; | |
38 | static struct sockaddr_in saddr_in; | |
811826be | 39 | static struct sockaddr_in6 saddr_in6; |
811826be | 40 | static int use_ipv6; |
3989b143 JA |
41 | #ifdef CONFIG_ZLIB |
42 | static unsigned int has_zlib = 1; | |
43 | #else | |
44 | static unsigned int has_zlib = 0; | |
45 | #endif | |
46 | static unsigned int use_zlib; | |
ca09be4b | 47 | static char me[128]; |
37db14fe | 48 | |
122c7725 JA |
49 | struct fio_fork_item { |
50 | struct flist_head list; | |
51 | int exitval; | |
52 | int signal; | |
53 | int exited; | |
54 | pid_t pid; | |
55 | }; | |
56 | ||
ca09be4b JA |
57 | struct cmd_reply { |
58 | struct fio_mutex lock; | |
59 | void *data; | |
60 | size_t size; | |
61 | int error; | |
62 | }; | |
63 | ||
89c1707c JA |
64 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
65 | "", | |
66 | "QUIT", | |
67 | "EXIT", | |
68 | "JOB", | |
69 | "JOBLINE", | |
70 | "TEXT", | |
71 | "TS", | |
72 | "GS", | |
73 | "SEND_ETA", | |
74 | "ETA", | |
75 | "PROBE", | |
76 | "START", | |
d09a64a0 JA |
77 | "STOP", |
78 | "DISK_UTIL", | |
b9d2f30a | 79 | "SERVER_START", |
807f9971 | 80 | "ADD_JOB", |
ca09be4b JA |
81 | "RUN", |
82 | "IOLOG", | |
83 | "UPDATE_JOB", | |
84 | "LOAD_FILE", | |
85 | "VTRIGGER", | |
86 | "SENDFILE", | |
89c1707c JA |
87 | }; |
88 | ||
89 | const char *fio_server_op(unsigned int op) | |
90 | { | |
91 | static char buf[32]; | |
92 | ||
93 | if (op < FIO_NET_CMD_NR) | |
94 | return fio_server_ops[op]; | |
95 | ||
96 | sprintf(buf, "UNKNOWN/%d", op); | |
97 | return buf; | |
98 | } | |
99 | ||
5235f626 | 100 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 101 | { |
5235f626 | 102 | ssize_t ret = 0; |
794d69ca | 103 | |
5235f626 JA |
104 | while (count--) { |
105 | ret += iov->iov_len; | |
106 | iov++; | |
107 | } | |
108 | ||
109 | return ret; | |
110 | } | |
132159a5 | 111 | |
5235f626 JA |
112 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
113 | { | |
114 | ssize_t total_len = iov_total_len(iov, count); | |
115 | ssize_t ret; | |
116 | ||
117 | do { | |
118 | ret = writev(sk, iov, count); | |
132159a5 | 119 | if (ret > 0) { |
5235f626 JA |
120 | total_len -= ret; |
121 | if (!total_len) | |
132159a5 | 122 | break; |
5235f626 JA |
123 | |
124 | while (ret) { | |
125 | if (ret >= iov->iov_len) { | |
126 | ret -= iov->iov_len; | |
127 | iov++; | |
128 | continue; | |
129 | } | |
130 | iov->iov_base += ret; | |
131 | iov->iov_len -= ret; | |
132 | ret = 0; | |
133 | } | |
132159a5 JA |
134 | } else if (!ret) |
135 | break; | |
136 | else if (errno == EAGAIN || errno == EINTR) | |
137 | continue; | |
7b821684 JA |
138 | else |
139 | break; | |
132159a5 JA |
140 | } while (!exit_backend); |
141 | ||
5235f626 | 142 | if (!total_len) |
132159a5 JA |
143 | return 0; |
144 | ||
8b4e61b2 JA |
145 | if (errno) |
146 | return -errno; | |
147 | ||
132159a5 JA |
148 | return 1; |
149 | } | |
150 | ||
5235f626 JA |
151 | int fio_send_data(int sk, const void *p, unsigned int len) |
152 | { | |
153 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
154 | ||
155 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
156 | ||
157 | return fio_sendv_data(sk, &iov, 1); | |
158 | } | |
159 | ||
132159a5 JA |
160 | int fio_recv_data(int sk, void *p, unsigned int len) |
161 | { | |
162 | do { | |
163 | int ret = recv(sk, p, len, MSG_WAITALL); | |
164 | ||
165 | if (ret > 0) { | |
166 | len -= ret; | |
167 | if (!len) | |
168 | break; | |
169 | p += ret; | |
170 | continue; | |
171 | } else if (!ret) | |
172 | break; | |
173 | else if (errno == EAGAIN || errno == EINTR) | |
174 | continue; | |
7b821684 JA |
175 | else |
176 | break; | |
132159a5 JA |
177 | } while (!exit_backend); |
178 | ||
179 | if (!len) | |
180 | return 0; | |
181 | ||
182 | return -1; | |
183 | } | |
184 | ||
185 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
186 | { | |
fcee5ff6 | 187 | uint16_t crc; |
132159a5 | 188 | |
fcee5ff6 JA |
189 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
190 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 191 | |
25dfa848 | 192 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 193 | if (crc != cmd->cmd_crc16) { |
132159a5 | 194 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 195 | cmd->cmd_crc16, crc); |
132159a5 JA |
196 | return 1; |
197 | } | |
198 | ||
199 | cmd->version = le16_to_cpu(cmd->version); | |
200 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
201 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 202 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
203 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
204 | ||
205 | switch (cmd->version) { | |
fa2ea806 | 206 | case FIO_SERVER_VER: |
132159a5 JA |
207 | break; |
208 | default: | |
209 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
210 | return 1; | |
211 | } | |
212 | ||
b9d2f30a | 213 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
214 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
215 | return 1; | |
216 | } | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
a64e88da JA |
221 | /* |
222 | * Read (and defragment, if necessary) incoming commands | |
223 | */ | |
e951bdc4 | 224 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 225 | { |
dfbf1f6f | 226 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 227 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 228 | uint16_t crc; |
a64e88da JA |
229 | int ret, first = 1; |
230 | void *pdu = NULL; | |
132159a5 | 231 | |
a64e88da JA |
232 | do { |
233 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
234 | if (ret) | |
235 | break; | |
132159a5 | 236 | |
a64e88da JA |
237 | /* We have a command, verify it and swap if need be */ |
238 | ret = verify_convert_cmd(&cmd); | |
239 | if (ret) | |
240 | break; | |
132159a5 | 241 | |
0b8f30a5 JA |
242 | if (first) { |
243 | /* if this is text, add room for \0 at the end */ | |
244 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
245 | assert(!cmdret); | |
246 | } else | |
a64e88da | 247 | cmd_size += cmd.pdu_len; |
132159a5 | 248 | |
dfbf1f6f JA |
249 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
250 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
251 | ret = 1; | |
252 | break; | |
253 | } | |
254 | ||
255 | tmp = realloc(cmdret, cmd_size); | |
256 | if (!tmp) { | |
257 | log_err("fio: server failed allocating cmd\n"); | |
258 | ret = 1; | |
259 | break; | |
260 | } | |
261 | cmdret = tmp; | |
132159a5 | 262 | |
a64e88da JA |
263 | if (first) |
264 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
265 | else if (cmdret->opcode != cmd.opcode) { |
266 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
267 | cmdret->opcode, cmd.opcode); | |
268 | ret = 1; | |
269 | break; | |
270 | } | |
a64e88da JA |
271 | |
272 | if (!cmd.pdu_len) | |
273 | break; | |
274 | ||
275 | /* There's payload, get it */ | |
276 | pdu = (void *) cmdret->payload + pdu_offset; | |
277 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
278 | if (ret) | |
279 | break; | |
280 | ||
281 | /* Verify payload crc */ | |
25dfa848 | 282 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
283 | if (crc != cmd.pdu_crc16) { |
284 | log_err("fio: server bad crc on payload "); | |
285 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
286 | ret = 1; | |
287 | break; | |
288 | } | |
289 | ||
290 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
291 | if (!first) |
292 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
293 | first = 0; |
294 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 295 | |
a64e88da JA |
296 | if (ret) { |
297 | free(cmdret); | |
298 | cmdret = NULL; | |
0b8f30a5 JA |
299 | } else if (cmdret) { |
300 | /* zero-terminate text input */ | |
084d1c6f JA |
301 | if (cmdret->pdu_len) { |
302 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
8a1db9a1 JA |
303 | struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload; |
304 | char *buf = (char *) __pdu->buf; | |
0b8f30a5 | 305 | |
8a1db9a1 | 306 | buf[__pdu->buf_len] = '\0'; |
084d1c6f | 307 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
8a1db9a1 JA |
308 | struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload; |
309 | char *buf = (char *) __pdu->buf; | |
310 | int len = le32_to_cpu(__pdu->buf_len); | |
084d1c6f | 311 | |
46bcd498 | 312 | buf[len] = '\0'; |
084d1c6f | 313 | } |
0b8f30a5 | 314 | } |
084d1c6f | 315 | |
0b8f30a5 | 316 | /* frag flag is internal */ |
a64e88da | 317 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 318 | } |
a64e88da JA |
319 | |
320 | return cmdret; | |
132159a5 JA |
321 | } |
322 | ||
40c60516 JA |
323 | static void add_reply(uint64_t tag, struct flist_head *list) |
324 | { | |
a572bbfb | 325 | struct fio_net_cmd_reply *reply; |
40c60516 | 326 | |
a572bbfb | 327 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
328 | flist_add_tail(&reply->list, list); |
329 | } | |
330 | ||
331 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
332 | { | |
333 | struct fio_net_cmd_reply *reply; | |
334 | ||
335 | reply = calloc(1, sizeof(*reply)); | |
336 | INIT_FLIST_HEAD(&reply->list); | |
c7b09783 | 337 | fio_gettime(&reply->tv, NULL); |
40c60516 JA |
338 | reply->saved_tag = tag; |
339 | reply->opcode = opcode; | |
340 | ||
341 | return (uintptr_t) reply; | |
342 | } | |
343 | ||
344 | static void free_reply(uint64_t tag) | |
345 | { | |
a572bbfb | 346 | struct fio_net_cmd_reply *reply; |
40c60516 | 347 | |
a572bbfb | 348 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
349 | free(reply); |
350 | } | |
351 | ||
53bd8dbc | 352 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
353 | { |
354 | uint32_t pdu_len; | |
355 | ||
25dfa848 | 356 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
357 | |
358 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
359 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
360 | } | |
361 | ||
362 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
363 | { | |
364 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
365 | } |
366 | ||
af9c9fb3 | 367 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 368 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 369 | { |
7f868316 JA |
370 | struct fio_net_cmd *cmd = NULL; |
371 | size_t this_len, cur_len = 0; | |
40c60516 | 372 | uint64_t tag; |
794d69ca JA |
373 | int ret; |
374 | ||
40c60516 JA |
375 | if (list) { |
376 | assert(tagptr); | |
377 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
378 | } else | |
379 | tag = tagptr ? *tagptr : 0; | |
380 | ||
794d69ca JA |
381 | do { |
382 | this_len = size; | |
b9d2f30a JA |
383 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
384 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 385 | |
7f868316 JA |
386 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
387 | if (cmd) | |
388 | free(cmd); | |
389 | ||
390 | cur_len = sizeof(*cmd) + this_len; | |
391 | cmd = malloc(cur_len); | |
392 | } | |
794d69ca | 393 | |
af9c9fb3 | 394 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
395 | |
396 | if (this_len < size) | |
ddcc0b69 | 397 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
398 | |
399 | fio_net_cmd_crc(cmd); | |
400 | ||
401 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
402 | size -= this_len; |
403 | buf += this_len; | |
404 | } while (!ret && size); | |
405 | ||
40c60516 JA |
406 | if (list) { |
407 | if (ret) | |
408 | free_reply(tag); | |
409 | else | |
410 | add_reply(tag, list); | |
411 | } | |
412 | ||
7f868316 JA |
413 | if (cmd) |
414 | free(cmd); | |
415 | ||
794d69ca JA |
416 | return ret; |
417 | } | |
418 | ||
89c1707c | 419 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 420 | { |
178cde9f | 421 | struct fio_net_cmd cmd; |
132159a5 | 422 | |
af9c9fb3 | 423 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
424 | fio_net_cmd_crc(&cmd); |
425 | ||
426 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
427 | } | |
428 | ||
89c1707c JA |
429 | /* |
430 | * If 'list' is non-NULL, then allocate and store the sent command for | |
431 | * later verification. | |
432 | */ | |
433 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
434 | struct flist_head *list) | |
435 | { | |
89c1707c JA |
436 | int ret; |
437 | ||
40c60516 JA |
438 | if (list) |
439 | tag = alloc_reply(tag, opcode); | |
89c1707c | 440 | |
40c60516 | 441 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 442 | if (ret) { |
40c60516 JA |
443 | if (list) |
444 | free_reply(tag); | |
445 | ||
89c1707c JA |
446 | return ret; |
447 | } | |
448 | ||
40c60516 JA |
449 | if (list) |
450 | add_reply(tag, list); | |
451 | ||
89c1707c JA |
452 | return 0; |
453 | } | |
454 | ||
122c7725 | 455 | int fio_net_send_quit(int sk) |
437377e1 | 456 | { |
46c48f1f | 457 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 458 | |
8c95307b | 459 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
460 | } |
461 | ||
f58bd2a4 JA |
462 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
463 | int signal) | |
132159a5 | 464 | { |
11e950bd | 465 | struct cmd_end_pdu epdu; |
f58bd2a4 | 466 | uint64_t tag = 0; |
122c7725 | 467 | |
f58bd2a4 JA |
468 | if (cmd) |
469 | tag = cmd->tag; | |
122c7725 JA |
470 | |
471 | epdu.error = __cpu_to_le32(error); | |
472 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 473 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
474 | } |
475 | ||
476 | int fio_net_send_stop(int sk, int error, int signal) | |
477 | { | |
478 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
479 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
480 | } |
481 | ||
482 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
483 | { | |
484 | struct fio_fork_item *ffi; | |
485 | ||
486 | ffi = malloc(sizeof(*ffi)); | |
487 | ffi->exitval = 0; | |
488 | ffi->signal = 0; | |
489 | ffi->exited = 0; | |
490 | ffi->pid = pid; | |
491 | flist_add_tail(&ffi->list, list); | |
492 | } | |
493 | ||
6348b5de | 494 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 495 | { |
a7533dbd | 496 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 497 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
498 | } |
499 | ||
6348b5de | 500 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 501 | { |
a7533dbd | 502 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 503 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
504 | } |
505 | ||
506 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
507 | { | |
508 | int ret, status; | |
509 | ||
510 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
511 | if (ret < 0) { | |
512 | if (errno == ECHILD) { | |
a7533dbd | 513 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
514 | ffi->exited = 1; |
515 | } else | |
516 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
517 | } else if (ret == ffi->pid) { | |
518 | if (WIFSIGNALED(status)) { | |
519 | ffi->signal = WTERMSIG(status); | |
520 | ffi->exited = 1; | |
521 | } | |
522 | if (WIFEXITED(status)) { | |
523 | if (WEXITSTATUS(status)) | |
524 | ffi->exitval = WEXITSTATUS(status); | |
525 | ffi->exited = 1; | |
526 | } | |
527 | } | |
528 | } | |
529 | ||
530 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
531 | { | |
a7533dbd | 532 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
533 | |
534 | /* | |
535 | * Fold STOP and QUIT... | |
536 | */ | |
537 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
538 | fio_net_send_quit(server_fd); | |
539 | flist_del(&ffi->list); | |
540 | free(ffi); | |
541 | } | |
542 | ||
54163255 | 543 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
544 | { |
545 | struct flist_head *entry, *tmp; | |
546 | struct fio_fork_item *ffi; | |
547 | ||
548 | flist_for_each_safe(entry, tmp, list) { | |
549 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
550 | ||
551 | fio_server_check_fork_item(ffi); | |
552 | ||
553 | if (ffi->exited) | |
554 | fio_server_fork_item_done(ffi); | |
555 | } | |
556 | } | |
557 | ||
6348b5de | 558 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 559 | { |
6348b5de | 560 | fio_server_check_fork_items(job_list); |
122c7725 JA |
561 | } |
562 | ||
6348b5de | 563 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 564 | { |
6348b5de | 565 | fio_server_check_fork_items(conn_list); |
122c7725 JA |
566 | } |
567 | ||
323255cc JA |
568 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
569 | { | |
570 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
571 | void *file_name = pdu->file; | |
572 | struct cmd_start_pdu spdu; | |
573 | ||
574 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
575 | ||
576 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
577 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
578 | ||
579 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
580 | fio_net_send_quit(server_fd); | |
581 | return -1; | |
582 | } | |
583 | ||
584 | spdu.jobs = cpu_to_le32(thread_number); | |
585 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
586 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); | |
587 | return 0; | |
588 | } | |
589 | ||
6348b5de | 590 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
122c7725 JA |
591 | { |
592 | pid_t pid; | |
a64e88da | 593 | int ret; |
132159a5 | 594 | |
cbb1303c | 595 | fio_time_init(); |
122c7725 | 596 | set_genesis_time(); |
11e950bd | 597 | |
122c7725 JA |
598 | pid = fork(); |
599 | if (pid) { | |
6348b5de | 600 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
601 | return 0; |
602 | } | |
11e950bd | 603 | |
122c7725 | 604 | ret = fio_backend(); |
2bb3f0a7 | 605 | free_threads_shm(); |
122c7725 | 606 | _exit(ret); |
81179eec JA |
607 | } |
608 | ||
b9d2f30a JA |
609 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
610 | { | |
46bcd498 JA |
611 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
612 | void *buf = pdu->buf; | |
b9d2f30a JA |
613 | struct cmd_start_pdu spdu; |
614 | ||
46bcd498 JA |
615 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
616 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
617 | ||
618 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 619 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
620 | return -1; |
621 | } | |
622 | ||
623 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 624 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 625 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
626 | return 0; |
627 | } | |
628 | ||
81179eec JA |
629 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
630 | { | |
fa2ea806 JA |
631 | void *pdu = cmd->payload; |
632 | struct cmd_single_line_pdu *cslp; | |
633 | struct cmd_line_pdu *clp; | |
634 | unsigned long offset; | |
b9d2f30a | 635 | struct cmd_start_pdu spdu; |
fa2ea806 | 636 | char **argv; |
b9d2f30a | 637 | int i; |
81179eec | 638 | |
fa2ea806 JA |
639 | clp = pdu; |
640 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 641 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
642 | argv = malloc(clp->lines * sizeof(char *)); |
643 | offset = sizeof(*clp); | |
81179eec | 644 | |
fa2ea806 | 645 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 646 | |
fa2ea806 JA |
647 | for (i = 0; i < clp->lines; i++) { |
648 | cslp = pdu + offset; | |
649 | argv[i] = (char *) cslp->text; | |
650 | ||
651 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
652 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
653 | } | |
81179eec | 654 | |
46bcd498 | 655 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 656 | fio_net_send_quit(server_fd); |
fa2ea806 | 657 | free(argv); |
81179eec | 658 | return -1; |
e6d1c668 | 659 | } |
81179eec | 660 | |
fa2ea806 JA |
661 | free(argv); |
662 | ||
b9d2f30a | 663 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 664 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 665 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 666 | return 0; |
132159a5 JA |
667 | } |
668 | ||
c28e8e8c JA |
669 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
670 | { | |
3989b143 JA |
671 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
672 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 673 | uint64_t tag = cmd->tag; |
c28e8e8c | 674 | |
89c1707c JA |
675 | dprint(FD_NET, "server: sending probe reply\n"); |
676 | ||
ca09be4b JA |
677 | strcpy(me, (char *) pdu->server); |
678 | ||
c28e8e8c JA |
679 | memset(&probe, 0, sizeof(probe)); |
680 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 681 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
682 | probe.bigendian = 1; |
683 | #endif | |
750db473 | 684 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 685 | |
cca84643 JA |
686 | probe.os = FIO_OS; |
687 | probe.arch = FIO_ARCH; | |
38fdef22 | 688 | probe.bpp = sizeof(void *); |
d31e26d0 | 689 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
690 | |
691 | /* | |
692 | * If the client supports compression and we do too, then enable it | |
693 | */ | |
694 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
695 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
696 | use_zlib = 1; | |
697 | } else { | |
698 | probe.flags = 0; | |
699 | use_zlib = 0; | |
700 | } | |
38fdef22 | 701 | |
40c60516 | 702 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
703 | } |
704 | ||
705 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
706 | { | |
707 | struct jobs_eta *je; | |
40c60516 | 708 | uint64_t tag = cmd->tag; |
723297c9 | 709 | size_t size; |
af9c9fb3 JA |
710 | int i; |
711 | ||
e123c833 JA |
712 | dprint(FD_NET, "server sending status\n"); |
713 | ||
714 | /* | |
715 | * Fake ETA return if we don't have a local one, otherwise the client | |
716 | * will end up timing out waiting for a response to the ETA request | |
717 | */ | |
723297c9 JA |
718 | je = get_jobs_eta(1, &size); |
719 | if (!je) | |
e123c833 JA |
720 | je = calloc(1, sizeof(*je)); |
721 | else { | |
722 | je->nr_running = cpu_to_le32(je->nr_running); | |
723 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
724 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
725 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); | |
726 | je->files_open = cpu_to_le32(je->files_open); | |
727 | ||
728 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
729 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); | |
730 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
731 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
732 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
733 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
734 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
735 | } | |
af9c9fb3 | 736 | |
e123c833 JA |
737 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
738 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
739 | je->nr_threads = cpu_to_le32(je->nr_threads); | |
740 | je->is_pow2 = cpu_to_le32(je->is_pow2); | |
741 | je->unit_base = cpu_to_le32(je->unit_base); | |
af9c9fb3 JA |
742 | } |
743 | ||
40c60516 | 744 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
745 | free(je); |
746 | return 0; | |
c28e8e8c JA |
747 | } |
748 | ||
40c60516 JA |
749 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
750 | { | |
751 | uint64_t tag = __tag; | |
752 | uint32_t pdu_error; | |
753 | ||
754 | pdu_error = __cpu_to_le32(error); | |
755 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
756 | } | |
757 | ||
f58bd2a4 JA |
758 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
759 | { | |
760 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
761 | struct thread_data *td; | |
762 | uint32_t tnumber; | |
763 | ||
764 | tnumber = le32_to_cpu(pdu->thread_number); | |
765 | ||
766 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
767 | ||
30ffacbf | 768 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 769 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
770 | return 0; |
771 | } | |
772 | ||
30ffacbf | 773 | td = &threads[tnumber - 1]; |
f58bd2a4 | 774 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 775 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
776 | return 0; |
777 | } | |
778 | ||
ca09be4b JA |
779 | static int handle_trigger_cmd(struct fio_net_cmd *cmd) |
780 | { | |
781 | struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload; | |
782 | char *buf = (char *) pdu->cmd; | |
783 | struct all_io_list *rep; | |
784 | size_t sz; | |
785 | ||
786 | pdu->len = le16_to_cpu(pdu->len); | |
787 | buf[pdu->len] = '\0'; | |
788 | ||
789 | rep = get_all_io_list(IO_LIST_ALL, &sz); | |
790 | if (!rep) { | |
791 | struct all_io_list state; | |
792 | ||
793 | state.threads = cpu_to_le64((uint64_t) 0); | |
794 | fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, NULL); | |
795 | } else { | |
796 | fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, rep, sz, NULL, NULL); | |
797 | free(rep); | |
798 | } | |
799 | ||
800 | exec_trigger(buf); | |
801 | return 0; | |
802 | } | |
803 | ||
6348b5de | 804 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
132159a5 JA |
805 | { |
806 | int ret; | |
807 | ||
4b91ee8f JA |
808 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
809 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
810 | (unsigned long long) cmd->tag); | |
46c48f1f | 811 | |
132159a5 JA |
812 | switch (cmd->opcode) { |
813 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 814 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 815 | return -1; |
d7959186 | 816 | case FIO_NET_CMD_EXIT: |
132159a5 | 817 | exit_backend = 1; |
c28e8e8c | 818 | return -1; |
323255cc JA |
819 | case FIO_NET_CMD_LOAD_FILE: |
820 | ret = handle_load_file_cmd(cmd); | |
821 | break; | |
132159a5 | 822 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 823 | ret = handle_job_cmd(cmd); |
132159a5 | 824 | break; |
81179eec JA |
825 | case FIO_NET_CMD_JOBLINE: |
826 | ret = handle_jobline_cmd(cmd); | |
827 | break; | |
c28e8e8c JA |
828 | case FIO_NET_CMD_PROBE: |
829 | ret = handle_probe_cmd(cmd); | |
830 | break; | |
af9c9fb3 JA |
831 | case FIO_NET_CMD_SEND_ETA: |
832 | ret = handle_send_eta_cmd(cmd); | |
833 | break; | |
b9d2f30a | 834 | case FIO_NET_CMD_RUN: |
6348b5de | 835 | ret = handle_run_cmd(job_list, cmd); |
b9d2f30a | 836 | break; |
f58bd2a4 JA |
837 | case FIO_NET_CMD_UPDATE_JOB: |
838 | ret = handle_update_job_cmd(cmd); | |
839 | break; | |
ca09be4b JA |
840 | case FIO_NET_CMD_VTRIGGER: |
841 | ret = handle_trigger_cmd(cmd); | |
842 | break; | |
843 | case FIO_NET_CMD_SENDFILE: { | |
844 | struct cmd_sendfile_reply *in; | |
845 | struct cmd_reply *rep; | |
846 | ||
847 | rep = (struct cmd_reply *) (uintptr_t) cmd->tag; | |
848 | ||
849 | in = (struct cmd_sendfile_reply *) cmd->payload; | |
850 | in->size = le32_to_cpu(in->size); | |
851 | in->error = le32_to_cpu(in->error); | |
852 | if (in->error) { | |
853 | ret = 1; | |
854 | rep->error = in->error; | |
855 | } else { | |
856 | ret = 0; | |
857 | rep->data = smalloc(in->size); | |
858 | if (!rep->data) { | |
859 | ret = 1; | |
860 | rep->error = ENOMEM; | |
861 | } else { | |
862 | rep->size = in->size; | |
863 | memcpy(rep->data, in->data, in->size); | |
864 | } | |
865 | } | |
866 | fio_mutex_up(&rep->lock); | |
867 | break; | |
868 | } | |
132159a5 | 869 | default: |
3c3ed070 | 870 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
871 | ret = 1; |
872 | } | |
873 | ||
874 | return ret; | |
875 | } | |
876 | ||
122c7725 | 877 | static int handle_connection(int sk) |
132159a5 JA |
878 | { |
879 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 880 | FLIST_HEAD(job_list); |
132159a5 JA |
881 | int ret = 0; |
882 | ||
122c7725 | 883 | reset_fio_state(); |
122c7725 JA |
884 | server_fd = sk; |
885 | ||
132159a5 JA |
886 | /* read forever */ |
887 | while (!exit_backend) { | |
e951bdc4 JA |
888 | struct pollfd pfd = { |
889 | .fd = sk, | |
890 | .events = POLLIN, | |
891 | }; | |
892 | ||
893 | ret = 0; | |
894 | do { | |
54163255 JA |
895 | int timeout = 1000; |
896 | ||
897 | if (!flist_empty(&job_list)) | |
898 | timeout = 100; | |
3c3ed070 | 899 | |
54163255 | 900 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
901 | if (ret < 0) { |
902 | if (errno == EINTR) | |
903 | break; | |
904 | log_err("fio: poll: %s\n", strerror(errno)); | |
905 | break; | |
19c65179 | 906 | } else if (!ret) { |
6348b5de | 907 | fio_server_check_jobs(&job_list); |
e951bdc4 | 908 | continue; |
19c65179 | 909 | } |
e951bdc4 JA |
910 | |
911 | if (pfd.revents & POLLIN) | |
912 | break; | |
913 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
914 | ret = 1; | |
915 | break; | |
916 | } | |
19c65179 | 917 | } while (!exit_backend); |
e951bdc4 | 918 | |
6348b5de | 919 | fio_server_check_jobs(&job_list); |
122c7725 | 920 | |
e951bdc4 JA |
921 | if (ret < 0) |
922 | break; | |
923 | ||
924 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 925 | if (!cmd) { |
c28e8e8c | 926 | ret = -1; |
132159a5 JA |
927 | break; |
928 | } | |
929 | ||
6348b5de | 930 | ret = handle_command(&job_list, cmd); |
132159a5 JA |
931 | if (ret) |
932 | break; | |
933 | ||
934 | free(cmd); | |
c77a99e7 | 935 | cmd = NULL; |
132159a5 JA |
936 | } |
937 | ||
938 | if (cmd) | |
939 | free(cmd); | |
940 | ||
122c7725 JA |
941 | close(sk); |
942 | _exit(ret); | |
cc0df00a JA |
943 | } |
944 | ||
296ab20a BE |
945 | /* get the address on this host bound by the input socket, |
946 | * whether it is ipv6 or ipv4 */ | |
947 | ||
948 | int get_my_addr_str( int sk ) | |
949 | { | |
950 | int ret; | |
951 | struct sockaddr * sockaddr_p; | |
952 | struct sockaddr_in myaddr4 = {0}; | |
953 | struct sockaddr_in6 myaddr6 = {0}; | |
954 | char * net_addr; | |
955 | socklen_t len = use_ipv6 ? sizeof(myaddr6) : sizeof(myaddr4); | |
956 | ||
957 | if (use_ipv6) | |
958 | sockaddr_p = (struct sockaddr * )&myaddr6; | |
959 | else | |
960 | sockaddr_p = (struct sockaddr * )&myaddr4; | |
961 | ret = getsockname(sk, sockaddr_p, &len); | |
962 | if (ret) { | |
963 | log_err("fio: getsockaddr: %s\n", strerror(errno)); | |
296ab20a BE |
964 | return -1; |
965 | } | |
966 | if (use_ipv6) | |
967 | net_addr = (char * )&myaddr6.sin6_addr; | |
968 | else | |
969 | net_addr = (char * )&myaddr4.sin_addr; | |
970 | if (NULL == inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN-1)) { | |
971 | log_err("inet_ntop: failed to convert addr to string\n"); | |
296ab20a BE |
972 | return -1; |
973 | } | |
974 | dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str); | |
975 | return 0; | |
976 | } | |
977 | ||
50d16976 JA |
978 | static int accept_loop(int listen_sk) |
979 | { | |
bb447a27 | 980 | struct sockaddr_in addr; |
479471c4 JA |
981 | struct sockaddr_in6 addr6; |
982 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 983 | struct pollfd pfd; |
4a851614 | 984 | int ret = 0, sk, exitval = 0; |
6348b5de | 985 | FLIST_HEAD(conn_list); |
50d16976 | 986 | |
60efd14e JA |
987 | dprint(FD_NET, "server enter accept loop\n"); |
988 | ||
4a851614 | 989 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 990 | |
122c7725 | 991 | while (!exit_backend) { |
479471c4 JA |
992 | const char *from; |
993 | char buf[64]; | |
122c7725 | 994 | pid_t pid; |
009b1be4 | 995 | |
122c7725 JA |
996 | pfd.fd = listen_sk; |
997 | pfd.events = POLLIN; | |
998 | do { | |
54163255 JA |
999 | int timeout = 1000; |
1000 | ||
1001 | if (!flist_empty(&conn_list)) | |
1002 | timeout = 100; | |
1003 | ||
1004 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
1005 | if (ret < 0) { |
1006 | if (errno == EINTR) | |
1007 | break; | |
1008 | log_err("fio: poll: %s\n", strerror(errno)); | |
1009 | break; | |
1010 | } else if (!ret) { | |
6348b5de | 1011 | fio_server_check_conns(&conn_list); |
122c7725 JA |
1012 | continue; |
1013 | } | |
009b1be4 | 1014 | |
122c7725 JA |
1015 | if (pfd.revents & POLLIN) |
1016 | break; | |
1017 | } while (!exit_backend); | |
50d16976 | 1018 | |
6348b5de | 1019 | fio_server_check_conns(&conn_list); |
46c48f1f | 1020 | |
122c7725 JA |
1021 | if (exit_backend || ret < 0) |
1022 | break; | |
1023 | ||
479471c4 JA |
1024 | if (use_ipv6) |
1025 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
1026 | else | |
1027 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
1028 | ||
122c7725 JA |
1029 | if (sk < 0) { |
1030 | log_err("fio: accept: %s\n", strerror(errno)); | |
1031 | return -1; | |
1032 | } | |
37db14fe | 1033 | |
479471c4 JA |
1034 | if (use_ipv6) |
1035 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
1036 | else | |
1037 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
1038 | ||
1039 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 1040 | |
122c7725 JA |
1041 | pid = fork(); |
1042 | if (pid) { | |
1043 | close(sk); | |
6348b5de | 1044 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
1045 | continue; |
1046 | } | |
5c341e9a | 1047 | |
122c7725 | 1048 | /* exits */ |
68d96e51 | 1049 | get_my_addr_str(sk); /* if error, it's already logged, non-fatal */ |
122c7725 JA |
1050 | handle_connection(sk); |
1051 | } | |
5c341e9a | 1052 | |
132159a5 | 1053 | return exitval; |
50d16976 JA |
1054 | } |
1055 | ||
084d1c6f | 1056 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 1057 | { |
084d1c6f JA |
1058 | struct cmd_text_pdu *pdu; |
1059 | unsigned int tlen; | |
1060 | struct timeval tv; | |
1061 | ||
1062 | if (server_fd == -1) | |
1063 | return log_local_buf(buf, len); | |
1064 | ||
1065 | tlen = sizeof(*pdu) + len; | |
1066 | pdu = malloc(tlen); | |
1067 | ||
1068 | pdu->level = __cpu_to_le32(level); | |
1069 | pdu->buf_len = __cpu_to_le32(len); | |
1070 | ||
1071 | gettimeofday(&tv, NULL); | |
1072 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
1073 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 1074 | |
084d1c6f JA |
1075 | memcpy(pdu->buf, buf, len); |
1076 | ||
40c60516 | 1077 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
1078 | free(pdu); |
1079 | return len; | |
142575e6 JA |
1080 | } |
1081 | ||
a64e88da JA |
1082 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
1083 | { | |
1084 | dst->max_val = cpu_to_le64(src->max_val); | |
1085 | dst->min_val = cpu_to_le64(src->min_val); | |
1086 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
1087 | |
1088 | /* | |
1089 | * Encode to IEEE 754 for network transfer | |
1090 | */ | |
e5c9093d JA |
1091 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
1092 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
1093 | } |
1094 | ||
1095 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
1096 | { | |
1097 | int i; | |
1098 | ||
298921d6 | 1099 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1100 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
1101 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
1102 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
1103 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
1104 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
1105 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
1106 | } | |
1107 | ||
1108 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1109 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1110 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1111 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1112 | } |
1113 | ||
1114 | /* | |
1115 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1116 | * into a single payload. | |
1117 | */ | |
1118 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1119 | { | |
1120 | struct cmd_ts_pdu p; | |
1121 | int i, j; | |
1122 | ||
60efd14e JA |
1123 | dprint(FD_NET, "server sending end stats\n"); |
1124 | ||
317b3c8b JA |
1125 | memset(&p, 0, sizeof(p)); |
1126 | ||
4e59d0f3 JA |
1127 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1128 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1129 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1130 | |
2f122b13 JA |
1131 | p.ts.error = cpu_to_le32(ts->error); |
1132 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1133 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1134 | p.ts.pid = cpu_to_le32(ts->pid); | |
1135 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1136 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1137 | |
298921d6 | 1138 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1139 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1140 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1141 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1142 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1143 | } | |
1144 | ||
1145 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1146 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1147 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1148 | p.ts.minf = cpu_to_le64(ts->minf); | |
1149 | p.ts.majf = cpu_to_le64(ts->majf); | |
1150 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
988d97ba | 1151 | p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision); |
802ad4a8 JA |
1152 | |
1153 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1154 | fio_fp64_t *src = &ts->percentile_list[i]; |
1155 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1156 | |
e5c9093d | 1157 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1158 | } |
a64e88da JA |
1159 | |
1160 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1161 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1162 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1163 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1164 | } | |
1165 | ||
1166 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1167 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1168 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1169 | } | |
1170 | ||
298921d6 | 1171 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1172 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1173 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1174 | ||
78799deb | 1175 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1176 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1177 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1178 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1179 | } |
1180 | ||
93eee04a | 1181 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1182 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1183 | ||
298921d6 | 1184 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1185 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1186 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1187 | } | |
1188 | ||
1189 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1190 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1191 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1192 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1193 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1194 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1195 | |
3e260a46 JA |
1196 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1197 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1198 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1199 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1200 | |
66347cfa DE |
1201 | p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos); |
1202 | for (i = 0; i < p.ts.nr_block_infos; i++) | |
1203 | p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]); | |
1204 | ||
a64e88da JA |
1205 | convert_gs(&p.rs, rs); |
1206 | ||
40c60516 | 1207 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1208 | } |
1209 | ||
1210 | void fio_server_send_gs(struct group_run_stats *rs) | |
1211 | { | |
1212 | struct group_run_stats gs; | |
1213 | ||
60efd14e JA |
1214 | dprint(FD_NET, "server sending group run stats\n"); |
1215 | ||
a64e88da | 1216 | convert_gs(&gs, rs); |
40c60516 | 1217 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1218 | } |
1219 | ||
d09a64a0 JA |
1220 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1221 | { | |
1222 | int i; | |
1223 | ||
1224 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1225 | dst->ios[i] = cpu_to_le64(src->ios[i]); |
1226 | dst->merges[i] = cpu_to_le64(src->merges[i]); | |
d09a64a0 | 1227 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
504bc961 | 1228 | dst->ticks[i] = cpu_to_le64(src->ticks[i]); |
d09a64a0 JA |
1229 | } |
1230 | ||
504bc961 JA |
1231 | dst->io_ticks = cpu_to_le64(src->io_ticks); |
1232 | dst->time_in_queue = cpu_to_le64(src->time_in_queue); | |
d09a64a0 | 1233 | dst->slavecount = cpu_to_le32(src->slavecount); |
e5c9093d | 1234 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1235 | } |
1236 | ||
1237 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1238 | { | |
1239 | int i; | |
1240 | ||
59140421 JA |
1241 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1242 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1243 | |
1244 | for (i = 0; i < 2; i++) { | |
504bc961 JA |
1245 | dst->s.ios[i] = cpu_to_le64(src->s.ios[i]); |
1246 | dst->s.merges[i] = cpu_to_le64(src->s.merges[i]); | |
a3b4cf7d | 1247 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
504bc961 | 1248 | dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]); |
d09a64a0 JA |
1249 | } |
1250 | ||
504bc961 JA |
1251 | dst->s.io_ticks = cpu_to_le64(src->s.io_ticks); |
1252 | dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue); | |
a3b4cf7d | 1253 | dst->s.msec = cpu_to_le64(src->s.msec); |
d09a64a0 JA |
1254 | } |
1255 | ||
1256 | void fio_server_send_du(void) | |
1257 | { | |
1258 | struct disk_util *du; | |
1259 | struct flist_head *entry; | |
1260 | struct cmd_du_pdu pdu; | |
1261 | ||
1262 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1263 | ||
0766d92e JA |
1264 | memset(&pdu, 0, sizeof(pdu)); |
1265 | ||
d09a64a0 JA |
1266 | flist_for_each(entry, &disk_list) { |
1267 | du = flist_entry(entry, struct disk_util, list); | |
1268 | ||
1269 | convert_dus(&pdu.dus, &du->dus); | |
1270 | convert_agg(&pdu.agg, &du->agg); | |
1271 | ||
40c60516 | 1272 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1273 | } |
1274 | } | |
1275 | ||
53bd8dbc JA |
1276 | /* |
1277 | * Send a command with a separate PDU, not inlined in the command | |
1278 | */ | |
1279 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1280 | off_t size, uint64_t tag, uint32_t flags) | |
1281 | { | |
1282 | struct fio_net_cmd cmd; | |
1283 | struct iovec iov[2]; | |
1284 | ||
9f247261 | 1285 | iov[0].iov_base = (void *) &cmd; |
53bd8dbc JA |
1286 | iov[0].iov_len = sizeof(cmd); |
1287 | iov[1].iov_base = (void *) buf; | |
1288 | iov[1].iov_len = size; | |
1289 | ||
1290 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1291 | cmd.flags = __cpu_to_le32(flags); | |
1292 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1293 | ||
8c95307b | 1294 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1295 | } |
1296 | ||
3989b143 | 1297 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1298 | { |
3989b143 JA |
1299 | int ret = 0; |
1300 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1301 | z_stream stream; |
1302 | void *out_pdu; | |
1b42725f JA |
1303 | |
1304 | /* | |
1305 | * Dirty - since the log is potentially huge, compress it into | |
1306 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1307 | * side defragment it. | |
1308 | */ | |
1309 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1310 | ||
1311 | stream.zalloc = Z_NULL; | |
1312 | stream.zfree = Z_NULL; | |
1313 | stream.opaque = Z_NULL; | |
1314 | ||
1315 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1316 | ret = 1; |
1317 | goto err; | |
1b42725f JA |
1318 | } |
1319 | ||
f5ed765a | 1320 | stream.next_in = (void *) log->log; |
ae588852 | 1321 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1322 | |
1323 | do { | |
53bd8dbc | 1324 | unsigned int this_len, flags = 0; |
1b42725f JA |
1325 | |
1326 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1327 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1328 | ret = deflate(&stream, Z_FINISH); |
1329 | /* may be Z_OK, or Z_STREAM_END */ | |
1330 | if (ret < 0) | |
1331 | goto err_zlib; | |
1b42725f JA |
1332 | |
1333 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1334 | ||
1b42725f | 1335 | if (stream.avail_in) |
53bd8dbc | 1336 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1337 | |
53bd8dbc JA |
1338 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1339 | out_pdu, this_len, 0, flags); | |
1340 | if (ret) | |
1341 | goto err_zlib; | |
1b42725f JA |
1342 | } while (stream.avail_in); |
1343 | ||
53bd8dbc | 1344 | err_zlib: |
1b42725f | 1345 | deflateEnd(&stream); |
53bd8dbc JA |
1346 | err: |
1347 | free(out_pdu); | |
3989b143 | 1348 | #endif |
53bd8dbc | 1349 | return ret; |
1b42725f JA |
1350 | } |
1351 | ||
3989b143 JA |
1352 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1353 | { | |
1354 | struct cmd_iolog_pdu pdu; | |
1355 | int i, ret = 0; | |
1356 | ||
ae588852 | 1357 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1358 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1359 | pdu.log_type = cpu_to_le32(log->log_type); |
1360 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1361 | |
1362 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1363 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1364 | |
1365 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1366 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1367 | |
b26317c9 JA |
1368 | s->time = cpu_to_le64(s->time); |
1369 | s->val = cpu_to_le64(s->val); | |
1370 | s->__ddir = cpu_to_le32(s->__ddir); | |
1371 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1372 | |
1373 | if (log->log_offset) { | |
1374 | struct io_sample_offset *so = (void *) s; | |
1375 | ||
1376 | so->offset = cpu_to_le64(so->offset); | |
1377 | } | |
3989b143 JA |
1378 | } |
1379 | ||
1380 | /* | |
1381 | * Send header first, it's not compressed. | |
1382 | */ | |
1383 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1384 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1385 | if (ret) | |
1386 | return ret; | |
1387 | ||
1388 | /* | |
1389 | * Now send actual log, compress if we can, otherwise just plain | |
1390 | */ | |
1391 | if (use_zlib) | |
1392 | return fio_send_iolog_gz(&pdu, log); | |
1393 | ||
1394 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
ae588852 | 1395 | log->nr_samples * log_entry_sz(log), 0, 0); |
3989b143 JA |
1396 | } |
1397 | ||
2f122b13 | 1398 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1399 | { |
1400 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1401 | |
731e30a2 | 1402 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1403 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1404 | pdu.groupid = cpu_to_le32(td->groupid); | |
1405 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1406 | |
40c60516 | 1407 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1408 | } |
1409 | ||
122c7725 JA |
1410 | void fio_server_send_start(struct thread_data *td) |
1411 | { | |
1412 | assert(server_fd != -1); | |
1413 | ||
1414 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1415 | } | |
1416 | ||
ca09be4b | 1417 | int fio_server_get_verify_state(const char *name, int threadnumber, |
c3546b53 | 1418 | void **datap, int *version) |
ca09be4b JA |
1419 | { |
1420 | struct thread_io_list *s; | |
1421 | struct cmd_sendfile out; | |
1422 | struct cmd_reply *rep; | |
1423 | uint64_t tag; | |
1424 | void *data; | |
1425 | ||
1426 | dprint(FD_NET, "server: request verify state\n"); | |
1427 | ||
1428 | rep = smalloc(sizeof(*rep)); | |
1429 | if (!rep) { | |
1430 | log_err("fio: smalloc pool too small\n"); | |
1431 | return 1; | |
1432 | } | |
1433 | ||
1434 | __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED); | |
1435 | rep->data = NULL; | |
1436 | rep->error = 0; | |
1437 | ||
e499aedc JA |
1438 | verify_state_gen_name((char *) out.path, sizeof(out.path), name, me, |
1439 | threadnumber); | |
ca09be4b JA |
1440 | tag = (uint64_t) (uintptr_t) rep; |
1441 | fio_net_send_cmd(server_fd, FIO_NET_CMD_SENDFILE, &out, sizeof(out), | |
1442 | &tag, NULL); | |
1443 | ||
1444 | /* | |
1445 | * Wait for the backend to receive the reply | |
1446 | */ | |
1447 | if (fio_mutex_down_timeout(&rep->lock, 10)) { | |
1448 | log_err("fio: timed out waiting for reply\n"); | |
1449 | goto fail; | |
1450 | } | |
1451 | ||
1452 | if (rep->error) { | |
1453 | log_err("fio: failure on receiving state file: %s\n", strerror(rep->error)); | |
1454 | fail: | |
1455 | *datap = NULL; | |
1456 | sfree(rep); | |
1457 | fio_net_send_quit(server_fd); | |
1458 | return 1; | |
1459 | } | |
1460 | ||
1461 | /* | |
1462 | * The format is verify_state_hdr, then thread_io_list. Verify | |
1463 | * the header, and the thread_io_list checksum | |
1464 | */ | |
1465 | s = rep->data + sizeof(struct verify_state_hdr); | |
c3546b53 | 1466 | if (verify_state_hdr(rep->data, s, version)) |
ca09be4b JA |
1467 | goto fail; |
1468 | ||
1469 | /* | |
1470 | * Don't need the header from now, copy just the thread_io_list | |
1471 | */ | |
1472 | rep->size -= sizeof(struct verify_state_hdr); | |
1473 | data = malloc(rep->size); | |
1474 | memcpy(data, s, rep->size); | |
1475 | *datap = data; | |
1476 | ||
1477 | sfree(rep->data); | |
f5a42524 | 1478 | __fio_mutex_remove(&rep->lock); |
ca09be4b JA |
1479 | sfree(rep); |
1480 | return 0; | |
1481 | } | |
1482 | ||
87aa8f19 | 1483 | static int fio_init_server_ip(void) |
81179eec | 1484 | { |
811826be | 1485 | struct sockaddr *addr; |
67bf9823 | 1486 | socklen_t socklen; |
17e3531a JA |
1487 | char buf[80]; |
1488 | const char *str; | |
87aa8f19 | 1489 | int sk, opt; |
81179eec | 1490 | |
811826be JA |
1491 | if (use_ipv6) |
1492 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1493 | else | |
1494 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1495 | ||
81179eec JA |
1496 | if (sk < 0) { |
1497 | log_err("fio: socket: %s\n", strerror(errno)); | |
1498 | return -1; | |
1499 | } | |
1500 | ||
1501 | opt = 1; | |
1f81991e | 1502 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
669e8bf8 | 1503 | log_err("fio: setsockopt(REUSEADDR): %s\n", strerror(errno)); |
b94cba47 | 1504 | close(sk); |
81179eec JA |
1505 | return -1; |
1506 | } | |
1507 | #ifdef SO_REUSEPORT | |
6eb24791 | 1508 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
669e8bf8 | 1509 | log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno)); |
b94cba47 | 1510 | close(sk); |
81179eec JA |
1511 | return -1; |
1512 | } | |
1513 | #endif | |
1514 | ||
811826be | 1515 | if (use_ipv6) { |
17e3531a JA |
1516 | const void *src = &saddr_in6.sin6_addr; |
1517 | ||
811826be JA |
1518 | addr = (struct sockaddr *) &saddr_in6; |
1519 | socklen = sizeof(saddr_in6); | |
1520 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1521 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1522 | } else { |
17e3531a JA |
1523 | const void *src = &saddr_in.sin_addr; |
1524 | ||
811826be JA |
1525 | addr = (struct sockaddr *) &saddr_in; |
1526 | socklen = sizeof(saddr_in); | |
1527 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1528 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1529 | } |
81179eec | 1530 | |
811826be | 1531 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1532 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1533 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1534 | close(sk); |
81179eec JA |
1535 | return -1; |
1536 | } | |
1537 | ||
87aa8f19 JA |
1538 | return sk; |
1539 | } | |
1540 | ||
1541 | static int fio_init_server_sock(void) | |
1542 | { | |
1543 | struct sockaddr_un addr; | |
67bf9823 | 1544 | socklen_t len; |
87aa8f19 JA |
1545 | mode_t mode; |
1546 | int sk; | |
1547 | ||
1548 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1549 | if (sk < 0) { | |
1550 | log_err("fio: socket: %s\n", strerror(errno)); | |
1551 | return -1; | |
1552 | } | |
1553 | ||
1554 | mode = umask(000); | |
1555 | ||
1556 | memset(&addr, 0, sizeof(addr)); | |
1557 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1558 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1559 | |
1560 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1561 | ||
1562 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1563 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1564 | close(sk); |
87aa8f19 JA |
1565 | return -1; |
1566 | } | |
1567 | ||
1568 | umask(mode); | |
1569 | return sk; | |
1570 | } | |
1571 | ||
1572 | static int fio_init_server_connection(void) | |
1573 | { | |
bebe6398 | 1574 | char bind_str[128]; |
87aa8f19 JA |
1575 | int sk; |
1576 | ||
1577 | dprint(FD_NET, "starting server\n"); | |
1578 | ||
1579 | if (!bind_sock) | |
1580 | sk = fio_init_server_ip(); | |
1581 | else | |
1582 | sk = fio_init_server_sock(); | |
1583 | ||
1584 | if (sk < 0) | |
1585 | return sk; | |
1586 | ||
afdcad23 JA |
1587 | memset(bind_str, 0, sizeof(bind_str)); |
1588 | ||
811826be JA |
1589 | if (!bind_sock) { |
1590 | char *p, port[16]; | |
1591 | const void *src; | |
1592 | int af; | |
1593 | ||
1594 | if (use_ipv6) { | |
1595 | af = AF_INET6; | |
1596 | src = &saddr_in6.sin6_addr; | |
1597 | } else { | |
1598 | af = AF_INET; | |
1599 | src = &saddr_in.sin_addr; | |
1600 | } | |
1601 | ||
1602 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1603 | ||
1604 | sprintf(port, ",%u", fio_net_port); | |
1605 | if (p) | |
1606 | strcat(p, port); | |
1607 | else | |
afdcad23 | 1608 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1609 | } else |
afdcad23 | 1610 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1611 | |
1612 | log_info("fio: server listening on %s\n", bind_str); | |
1613 | ||
89c1707c | 1614 | if (listen(sk, 0) < 0) { |
81179eec | 1615 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1616 | close(sk); |
81179eec JA |
1617 | return -1; |
1618 | } | |
1619 | ||
87aa8f19 JA |
1620 | return sk; |
1621 | } | |
1622 | ||
3aa3ceeb | 1623 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1624 | struct in6_addr *inp6) |
1625 | ||
1626 | { | |
1627 | int ret = 0; | |
1628 | ||
3aa3ceeb | 1629 | if (ipv6) |
3ec62ec4 JA |
1630 | ret = inet_pton(AF_INET6, host, inp6); |
1631 | else | |
1632 | ret = inet_pton(AF_INET, host, inp); | |
1633 | ||
1634 | if (ret != 1) { | |
479471c4 JA |
1635 | struct addrinfo hints, *res; |
1636 | ||
1637 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1638 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1639 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1640 | |
479471c4 JA |
1641 | ret = getaddrinfo(host, NULL, &hints, &res); |
1642 | if (ret) { | |
1643 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1644 | gai_strerror(ret)); | |
3caf43e3 | 1645 | return 1; |
3ec62ec4 JA |
1646 | } |
1647 | ||
3aa3ceeb | 1648 | if (ipv6) |
479471c4 JA |
1649 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1650 | else | |
1651 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1652 | ||
3ec62ec4 | 1653 | ret = 1; |
479471c4 | 1654 | freeaddrinfo(res); |
3ec62ec4 JA |
1655 | } |
1656 | ||
1657 | return !(ret == 1); | |
1658 | } | |
1659 | ||
660a2bfb JA |
1660 | /* |
1661 | * Parse a host/ip/port string. Reads from 'str'. | |
1662 | * | |
1663 | * Outputs: | |
1664 | * | |
1665 | * For IPv4: | |
1666 | * *ptr is the host, *port is the port, inp is the destination. | |
1667 | * For IPv6: | |
1668 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1669 | * For local domain sockets: | |
1670 | * *ptr is the filename, *is_sock is 1. | |
1671 | */ | |
bebe6398 | 1672 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1673 | int *port, struct in_addr *inp, |
1674 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1675 | { |
76867621 JA |
1676 | const char *host = str; |
1677 | char *portp; | |
3ec62ec4 | 1678 | int lport = 0; |
76867621 | 1679 | |
bebe6398 JA |
1680 | *ptr = NULL; |
1681 | *is_sock = 0; | |
6d2cf394 | 1682 | *port = fio_net_port; |
811826be | 1683 | *ipv6 = 0; |
bebe6398 JA |
1684 | |
1685 | if (!strncmp(str, "sock:", 5)) { | |
1686 | *ptr = strdup(str + 5); | |
1687 | *is_sock = 1; | |
76867621 JA |
1688 | |
1689 | return 0; | |
1690 | } | |
1691 | ||
1692 | /* | |
1693 | * Is it ip:<ip or host>:port | |
1694 | */ | |
1695 | if (!strncmp(host, "ip:", 3)) | |
1696 | host += 3; | |
1697 | else if (!strncmp(host, "ip4:", 4)) | |
1698 | host += 4; | |
1699 | else if (!strncmp(host, "ip6:", 4)) { | |
1700 | host += 4; | |
1701 | *ipv6 = 1; | |
1702 | } else if (host[0] == ':') { | |
1703 | /* String is :port */ | |
1704 | host++; | |
1705 | lport = atoi(host); | |
1706 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1707 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1708 | return 1; |
1709 | } | |
1710 | /* no hostname given, we are done */ | |
1711 | *port = lport; | |
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | /* | |
b96b90c3 | 1716 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1717 | */ |
1718 | if (!lport) { | |
1719 | portp = strchr(host, ','); | |
1720 | if (portp) { | |
1721 | *portp = '\0'; | |
1722 | portp++; | |
1723 | lport = atoi(portp); | |
bebe6398 | 1724 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1725 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1726 | return 1; |
1727 | } | |
bebe6398 | 1728 | } |
76867621 | 1729 | } |
bebe6398 | 1730 | |
76867621 JA |
1731 | if (lport) |
1732 | *port = lport; | |
bebe6398 | 1733 | |
76867621 JA |
1734 | if (!strlen(host)) |
1735 | return 0; | |
bebe6398 | 1736 | |
76867621 | 1737 | *ptr = strdup(host); |
811826be | 1738 | |
3aa3ceeb | 1739 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1740 | free(*ptr); |
1741 | *ptr = NULL; | |
1742 | return 1; | |
bebe6398 JA |
1743 | } |
1744 | ||
1745 | if (*port == 0) | |
1746 | *port = fio_net_port; | |
1747 | ||
1748 | return 0; | |
1749 | } | |
1750 | ||
87aa8f19 JA |
1751 | /* |
1752 | * Server arg should be one of: | |
1753 | * | |
1754 | * sock:/path/to/socket | |
1755 | * ip:1.2.3.4 | |
1756 | * 1.2.3.4 | |
1757 | * | |
1758 | * Where sock uses unix domain sockets, and ip binds the server to | |
1759 | * a specific interface. If no arguments are given to the server, it | |
1760 | * uses IP and binds to 0.0.0.0. | |
1761 | * | |
1762 | */ | |
1763 | static int fio_handle_server_arg(void) | |
1764 | { | |
6d2cf394 | 1765 | int port = fio_net_port; |
a7de0a11 | 1766 | int is_sock, ret = 0; |
bebe6398 | 1767 | |
87aa8f19 JA |
1768 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1769 | ||
1770 | if (!fio_server_arg) | |
a7de0a11 | 1771 | goto out; |
87aa8f19 | 1772 | |
4e5b8fb8 | 1773 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1774 | &port, &saddr_in.sin_addr, |
1775 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1776 | |
1777 | if (!is_sock && bind_sock) { | |
1778 | free(bind_sock); | |
1779 | bind_sock = NULL; | |
1780 | } | |
1781 | ||
a7de0a11 | 1782 | out: |
6d2cf394 JA |
1783 | fio_net_port = port; |
1784 | saddr_in.sin_port = htons(port); | |
811826be | 1785 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1786 | return ret; |
87aa8f19 JA |
1787 | } |
1788 | ||
43cdea1d JA |
1789 | static void sig_int(int sig) |
1790 | { | |
1791 | if (bind_sock) | |
1792 | unlink(bind_sock); | |
1793 | } | |
1794 | ||
1795 | static void set_sig_handlers(void) | |
1796 | { | |
1797 | struct sigaction act; | |
1798 | ||
1799 | memset(&act, 0, sizeof(act)); | |
1800 | act.sa_handler = sig_int; | |
1801 | act.sa_flags = SA_RESTART; | |
1802 | sigaction(SIGINT, &act, NULL); | |
1803 | } | |
1804 | ||
87aa8f19 JA |
1805 | static int fio_server(void) |
1806 | { | |
1807 | int sk, ret; | |
1808 | ||
1809 | dprint(FD_NET, "starting server\n"); | |
1810 | ||
1811 | if (fio_handle_server_arg()) | |
1812 | return -1; | |
1813 | ||
1814 | sk = fio_init_server_connection(); | |
1815 | if (sk < 0) | |
1816 | return -1; | |
81179eec | 1817 | |
43cdea1d JA |
1818 | set_sig_handlers(); |
1819 | ||
81179eec | 1820 | ret = accept_loop(sk); |
87aa8f19 | 1821 | |
81179eec | 1822 | close(sk); |
87aa8f19 JA |
1823 | |
1824 | if (fio_server_arg) { | |
1825 | free(fio_server_arg); | |
1826 | fio_server_arg = NULL; | |
1827 | } | |
bebe6398 JA |
1828 | if (bind_sock) |
1829 | free(bind_sock); | |
87aa8f19 | 1830 | |
81179eec JA |
1831 | return ret; |
1832 | } | |
1833 | ||
7b821684 | 1834 | void fio_server_got_signal(int signal) |
9abea48b | 1835 | { |
7b821684 JA |
1836 | if (signal == SIGPIPE) |
1837 | server_fd = -1; | |
1838 | else { | |
1839 | log_info("\nfio: terminating on signal %d\n", signal); | |
1840 | exit_backend = 1; | |
1841 | } | |
9abea48b JA |
1842 | } |
1843 | ||
13755d94 JA |
1844 | static int check_existing_pidfile(const char *pidfile) |
1845 | { | |
1846 | struct stat sb; | |
1847 | char buf[16]; | |
1848 | pid_t pid; | |
1849 | FILE *f; | |
1850 | ||
1851 | if (stat(pidfile, &sb)) | |
1852 | return 0; | |
1853 | ||
1854 | f = fopen(pidfile, "r"); | |
1855 | if (!f) | |
1856 | return 0; | |
1857 | ||
bfc3b179 | 1858 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1859 | fclose(f); |
1860 | return 1; | |
1861 | } | |
1862 | fclose(f); | |
1863 | ||
1864 | pid = atoi(buf); | |
1865 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1866 | return errno != ESRCH; |
13755d94 JA |
1867 | |
1868 | return 1; | |
1869 | } | |
1870 | ||
1871 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1872 | { |
1873 | FILE *fpid; | |
1874 | ||
1875 | fpid = fopen(pidfile, "w"); | |
1876 | if (!fpid) { | |
1877 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1878 | return 1; |
402668f3 JA |
1879 | } |
1880 | ||
1881 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1882 | fclose(fpid); |
1883 | return 0; | |
402668f3 JA |
1884 | } |
1885 | ||
1886 | /* | |
1887 | * If pidfile is specified, background us. | |
1888 | */ | |
1889 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1890 | { |
1891 | pid_t pid; | |
402668f3 | 1892 | int ret; |
e46d8091 | 1893 | |
93bcfd20 | 1894 | #if defined(WIN32) |
905c78b9 | 1895 | WSADATA wsd; |
3c3ed070 | 1896 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1897 | #endif |
1898 | ||
402668f3 | 1899 | if (!pidfile) |
e46d8091 JA |
1900 | return fio_server(); |
1901 | ||
13755d94 JA |
1902 | if (check_existing_pidfile(pidfile)) { |
1903 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1904 | pidfile); | |
b8ba87ac | 1905 | free(pidfile); |
13755d94 JA |
1906 | return -1; |
1907 | } | |
1908 | ||
e46d8091 JA |
1909 | pid = fork(); |
1910 | if (pid < 0) { | |
13755d94 | 1911 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1912 | free(pidfile); |
c28e8e8c | 1913 | return -1; |
402668f3 | 1914 | } else if (pid) { |
8a1db9a1 | 1915 | ret = write_pid(pid, pidfile); |
b8ba87ac | 1916 | free(pidfile); |
44c8268d | 1917 | _exit(ret); |
402668f3 | 1918 | } |
e46d8091 JA |
1919 | |
1920 | setsid(); | |
13755d94 JA |
1921 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1922 | log_syslog = 1; | |
e46d8091 JA |
1923 | close(STDIN_FILENO); |
1924 | close(STDOUT_FILENO); | |
1925 | close(STDERR_FILENO); | |
1926 | f_out = NULL; | |
1927 | f_err = NULL; | |
402668f3 JA |
1928 | |
1929 | ret = fio_server(); | |
1930 | ||
1931 | closelog(); | |
1932 | unlink(pidfile); | |
1933 | free(pidfile); | |
1934 | return ret; | |
e46d8091 | 1935 | } |
87aa8f19 | 1936 | |
bebe6398 | 1937 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1938 | { |
1939 | fio_server_arg = strdup(arg); | |
1940 | } |