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" | |
132159a5 | 24 | #include "server.h" |
fcee5ff6 | 25 | #include "crc/crc16.h" |
c7c6cb4c | 26 | #include "lib/ieee754.h" |
89cf1480 | 27 | |
5adc2447 | 28 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 29 | |
009b1be4 JA |
30 | int exit_backend = 0; |
31 | ||
46c48f1f | 32 | static int server_fd = -1; |
87aa8f19 JA |
33 | static char *fio_server_arg; |
34 | static char *bind_sock; | |
35 | static struct sockaddr_in saddr_in; | |
811826be | 36 | static struct sockaddr_in6 saddr_in6; |
811826be | 37 | static int use_ipv6; |
3989b143 JA |
38 | #ifdef CONFIG_ZLIB |
39 | static unsigned int has_zlib = 1; | |
40 | #else | |
41 | static unsigned int has_zlib = 0; | |
42 | #endif | |
43 | static unsigned int use_zlib; | |
37db14fe | 44 | |
122c7725 JA |
45 | struct fio_fork_item { |
46 | struct flist_head list; | |
47 | int exitval; | |
48 | int signal; | |
49 | int exited; | |
50 | pid_t pid; | |
51 | }; | |
52 | ||
89c1707c JA |
53 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
54 | "", | |
55 | "QUIT", | |
56 | "EXIT", | |
57 | "JOB", | |
58 | "JOBLINE", | |
59 | "TEXT", | |
60 | "TS", | |
61 | "GS", | |
62 | "SEND_ETA", | |
63 | "ETA", | |
64 | "PROBE", | |
65 | "START", | |
d09a64a0 JA |
66 | "STOP", |
67 | "DISK_UTIL", | |
b9d2f30a | 68 | "SERVER_START", |
807f9971 | 69 | "ADD_JOB", |
8d7b618a | 70 | "CMD_RUN", |
c70e63e5 | 71 | "CMD_IOLOG", |
323255cc JA |
72 | "CMD_UPDATE_JOB", |
73 | "CMD_LOAD_FILE", | |
89c1707c JA |
74 | }; |
75 | ||
76 | const char *fio_server_op(unsigned int op) | |
77 | { | |
78 | static char buf[32]; | |
79 | ||
80 | if (op < FIO_NET_CMD_NR) | |
81 | return fio_server_ops[op]; | |
82 | ||
83 | sprintf(buf, "UNKNOWN/%d", op); | |
84 | return buf; | |
85 | } | |
86 | ||
5235f626 | 87 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
132159a5 | 88 | { |
5235f626 | 89 | ssize_t ret = 0; |
794d69ca | 90 | |
5235f626 JA |
91 | while (count--) { |
92 | ret += iov->iov_len; | |
93 | iov++; | |
94 | } | |
95 | ||
96 | return ret; | |
97 | } | |
132159a5 | 98 | |
5235f626 JA |
99 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
100 | { | |
101 | ssize_t total_len = iov_total_len(iov, count); | |
102 | ssize_t ret; | |
103 | ||
104 | do { | |
105 | ret = writev(sk, iov, count); | |
132159a5 | 106 | if (ret > 0) { |
5235f626 JA |
107 | total_len -= ret; |
108 | if (!total_len) | |
132159a5 | 109 | break; |
5235f626 JA |
110 | |
111 | while (ret) { | |
112 | if (ret >= iov->iov_len) { | |
113 | ret -= iov->iov_len; | |
114 | iov++; | |
115 | continue; | |
116 | } | |
117 | iov->iov_base += ret; | |
118 | iov->iov_len -= ret; | |
119 | ret = 0; | |
120 | } | |
132159a5 JA |
121 | } else if (!ret) |
122 | break; | |
123 | else if (errno == EAGAIN || errno == EINTR) | |
124 | continue; | |
7b821684 JA |
125 | else |
126 | break; | |
132159a5 JA |
127 | } while (!exit_backend); |
128 | ||
5235f626 | 129 | if (!total_len) |
132159a5 JA |
130 | return 0; |
131 | ||
8b4e61b2 JA |
132 | if (errno) |
133 | return -errno; | |
134 | ||
132159a5 JA |
135 | return 1; |
136 | } | |
137 | ||
5235f626 JA |
138 | int fio_send_data(int sk, const void *p, unsigned int len) |
139 | { | |
140 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; | |
141 | ||
142 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); | |
143 | ||
144 | return fio_sendv_data(sk, &iov, 1); | |
145 | } | |
146 | ||
132159a5 JA |
147 | int fio_recv_data(int sk, void *p, unsigned int len) |
148 | { | |
149 | do { | |
150 | int ret = recv(sk, p, len, MSG_WAITALL); | |
151 | ||
152 | if (ret > 0) { | |
153 | len -= ret; | |
154 | if (!len) | |
155 | break; | |
156 | p += ret; | |
157 | continue; | |
158 | } else if (!ret) | |
159 | break; | |
160 | else if (errno == EAGAIN || errno == EINTR) | |
161 | continue; | |
7b821684 JA |
162 | else |
163 | break; | |
132159a5 JA |
164 | } while (!exit_backend); |
165 | ||
166 | if (!len) | |
167 | return 0; | |
168 | ||
169 | return -1; | |
170 | } | |
171 | ||
172 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
173 | { | |
fcee5ff6 | 174 | uint16_t crc; |
132159a5 | 175 | |
fcee5ff6 JA |
176 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
177 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 178 | |
25dfa848 | 179 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 180 | if (crc != cmd->cmd_crc16) { |
132159a5 | 181 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 182 | cmd->cmd_crc16, crc); |
132159a5 JA |
183 | return 1; |
184 | } | |
185 | ||
186 | cmd->version = le16_to_cpu(cmd->version); | |
187 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
188 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 189 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
190 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
191 | ||
192 | switch (cmd->version) { | |
fa2ea806 | 193 | case FIO_SERVER_VER: |
132159a5 JA |
194 | break; |
195 | default: | |
196 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
197 | return 1; | |
198 | } | |
199 | ||
b9d2f30a | 200 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
201 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
202 | return 1; | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
a64e88da JA |
208 | /* |
209 | * Read (and defragment, if necessary) incoming commands | |
210 | */ | |
e951bdc4 | 211 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 212 | { |
dfbf1f6f | 213 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
a64e88da | 214 | size_t cmd_size = 0, pdu_offset = 0; |
fcee5ff6 | 215 | uint16_t crc; |
a64e88da JA |
216 | int ret, first = 1; |
217 | void *pdu = NULL; | |
132159a5 | 218 | |
a64e88da JA |
219 | do { |
220 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
221 | if (ret) | |
222 | break; | |
132159a5 | 223 | |
a64e88da JA |
224 | /* We have a command, verify it and swap if need be */ |
225 | ret = verify_convert_cmd(&cmd); | |
226 | if (ret) | |
227 | break; | |
132159a5 | 228 | |
0b8f30a5 JA |
229 | if (first) { |
230 | /* if this is text, add room for \0 at the end */ | |
231 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
232 | assert(!cmdret); | |
233 | } else | |
a64e88da | 234 | cmd_size += cmd.pdu_len; |
132159a5 | 235 | |
dfbf1f6f JA |
236 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
237 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); | |
238 | ret = 1; | |
239 | break; | |
240 | } | |
241 | ||
242 | tmp = realloc(cmdret, cmd_size); | |
243 | if (!tmp) { | |
244 | log_err("fio: server failed allocating cmd\n"); | |
245 | ret = 1; | |
246 | break; | |
247 | } | |
248 | cmdret = tmp; | |
132159a5 | 249 | |
a64e88da JA |
250 | if (first) |
251 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
252 | else if (cmdret->opcode != cmd.opcode) { |
253 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
254 | cmdret->opcode, cmd.opcode); | |
255 | ret = 1; | |
256 | break; | |
257 | } | |
a64e88da JA |
258 | |
259 | if (!cmd.pdu_len) | |
260 | break; | |
261 | ||
262 | /* There's payload, get it */ | |
263 | pdu = (void *) cmdret->payload + pdu_offset; | |
264 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
265 | if (ret) | |
266 | break; | |
267 | ||
268 | /* Verify payload crc */ | |
25dfa848 | 269 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
270 | if (crc != cmd.pdu_crc16) { |
271 | log_err("fio: server bad crc on payload "); | |
272 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
273 | ret = 1; | |
274 | break; | |
275 | } | |
276 | ||
277 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
278 | if (!first) |
279 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
280 | first = 0; |
281 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 282 | |
a64e88da JA |
283 | if (ret) { |
284 | free(cmdret); | |
285 | cmdret = NULL; | |
0b8f30a5 JA |
286 | } else if (cmdret) { |
287 | /* zero-terminate text input */ | |
084d1c6f JA |
288 | if (cmdret->pdu_len) { |
289 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
290 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
291 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 292 | |
3c3ed070 | 293 | buf[pdu->buf_len] = '\0'; |
084d1c6f | 294 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
46bcd498 JA |
295 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
296 | char *buf = (char *) pdu->buf; | |
297 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 298 | |
46bcd498 | 299 | buf[len] = '\0'; |
084d1c6f | 300 | } |
0b8f30a5 | 301 | } |
084d1c6f | 302 | |
0b8f30a5 | 303 | /* frag flag is internal */ |
a64e88da | 304 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 305 | } |
a64e88da JA |
306 | |
307 | return cmdret; | |
132159a5 JA |
308 | } |
309 | ||
40c60516 JA |
310 | static void add_reply(uint64_t tag, struct flist_head *list) |
311 | { | |
a572bbfb | 312 | struct fio_net_cmd_reply *reply; |
40c60516 | 313 | |
a572bbfb | 314 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
315 | flist_add_tail(&reply->list, list); |
316 | } | |
317 | ||
318 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) | |
319 | { | |
320 | struct fio_net_cmd_reply *reply; | |
321 | ||
322 | reply = calloc(1, sizeof(*reply)); | |
323 | INIT_FLIST_HEAD(&reply->list); | |
324 | gettimeofday(&reply->tv, NULL); | |
325 | reply->saved_tag = tag; | |
326 | reply->opcode = opcode; | |
327 | ||
328 | return (uintptr_t) reply; | |
329 | } | |
330 | ||
331 | static void free_reply(uint64_t tag) | |
332 | { | |
a572bbfb | 333 | struct fio_net_cmd_reply *reply; |
40c60516 | 334 | |
a572bbfb | 335 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
40c60516 JA |
336 | free(reply); |
337 | } | |
338 | ||
53bd8dbc | 339 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
132159a5 JA |
340 | { |
341 | uint32_t pdu_len; | |
342 | ||
25dfa848 | 343 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
344 | |
345 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
1b42725f JA |
346 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
347 | } | |
348 | ||
349 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
350 | { | |
351 | fio_net_cmd_crc_pdu(cmd, cmd->payload); | |
132159a5 JA |
352 | } |
353 | ||
af9c9fb3 | 354 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
40c60516 | 355 | uint64_t *tagptr, struct flist_head *list) |
794d69ca | 356 | { |
7f868316 JA |
357 | struct fio_net_cmd *cmd = NULL; |
358 | size_t this_len, cur_len = 0; | |
40c60516 | 359 | uint64_t tag; |
794d69ca JA |
360 | int ret; |
361 | ||
40c60516 JA |
362 | if (list) { |
363 | assert(tagptr); | |
364 | tag = *tagptr = alloc_reply(*tagptr, opcode); | |
365 | } else | |
366 | tag = tagptr ? *tagptr : 0; | |
367 | ||
794d69ca JA |
368 | do { |
369 | this_len = size; | |
b9d2f30a JA |
370 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
371 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 372 | |
7f868316 JA |
373 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
374 | if (cmd) | |
375 | free(cmd); | |
376 | ||
377 | cur_len = sizeof(*cmd) + this_len; | |
378 | cmd = malloc(cur_len); | |
379 | } | |
794d69ca | 380 | |
af9c9fb3 | 381 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
382 | |
383 | if (this_len < size) | |
ddcc0b69 | 384 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
385 | |
386 | fio_net_cmd_crc(cmd); | |
387 | ||
388 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
389 | size -= this_len; |
390 | buf += this_len; | |
391 | } while (!ret && size); | |
392 | ||
40c60516 JA |
393 | if (list) { |
394 | if (ret) | |
395 | free_reply(tag); | |
396 | else | |
397 | add_reply(tag, list); | |
398 | } | |
399 | ||
7f868316 JA |
400 | if (cmd) |
401 | free(cmd); | |
402 | ||
794d69ca JA |
403 | return ret; |
404 | } | |
405 | ||
89c1707c | 406 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 407 | { |
178cde9f | 408 | struct fio_net_cmd cmd; |
132159a5 | 409 | |
af9c9fb3 | 410 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
411 | fio_net_cmd_crc(&cmd); |
412 | ||
413 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
414 | } | |
415 | ||
89c1707c JA |
416 | /* |
417 | * If 'list' is non-NULL, then allocate and store the sent command for | |
418 | * later verification. | |
419 | */ | |
420 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
421 | struct flist_head *list) | |
422 | { | |
89c1707c JA |
423 | int ret; |
424 | ||
40c60516 JA |
425 | if (list) |
426 | tag = alloc_reply(tag, opcode); | |
89c1707c | 427 | |
40c60516 | 428 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
89c1707c | 429 | if (ret) { |
40c60516 JA |
430 | if (list) |
431 | free_reply(tag); | |
432 | ||
89c1707c JA |
433 | return ret; |
434 | } | |
435 | ||
40c60516 JA |
436 | if (list) |
437 | add_reply(tag, list); | |
438 | ||
89c1707c JA |
439 | return 0; |
440 | } | |
441 | ||
122c7725 | 442 | int fio_net_send_quit(int sk) |
437377e1 | 443 | { |
46c48f1f | 444 | dprint(FD_NET, "server: sending quit\n"); |
122c7725 | 445 | |
8c95307b | 446 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
447 | } |
448 | ||
f58bd2a4 JA |
449 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
450 | int signal) | |
132159a5 | 451 | { |
11e950bd | 452 | struct cmd_end_pdu epdu; |
f58bd2a4 | 453 | uint64_t tag = 0; |
122c7725 | 454 | |
f58bd2a4 JA |
455 | if (cmd) |
456 | tag = cmd->tag; | |
122c7725 JA |
457 | |
458 | epdu.error = __cpu_to_le32(error); | |
459 | epdu.signal = __cpu_to_le32(signal); | |
40c60516 | 460 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
f58bd2a4 JA |
461 | } |
462 | ||
463 | int fio_net_send_stop(int sk, int error, int signal) | |
464 | { | |
465 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); | |
466 | return fio_net_send_ack(sk, NULL, error, signal); | |
122c7725 JA |
467 | } |
468 | ||
469 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) | |
470 | { | |
471 | struct fio_fork_item *ffi; | |
472 | ||
473 | ffi = malloc(sizeof(*ffi)); | |
474 | ffi->exitval = 0; | |
475 | ffi->signal = 0; | |
476 | ffi->exited = 0; | |
477 | ffi->pid = pid; | |
478 | flist_add_tail(&ffi->list, list); | |
479 | } | |
480 | ||
6348b5de | 481 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
122c7725 | 482 | { |
a7533dbd | 483 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
6348b5de | 484 | fio_server_add_fork_item(pid, conn_list); |
122c7725 JA |
485 | } |
486 | ||
6348b5de | 487 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
122c7725 | 488 | { |
a7533dbd | 489 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
6348b5de | 490 | fio_server_add_fork_item(pid, job_list); |
122c7725 JA |
491 | } |
492 | ||
493 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) | |
494 | { | |
495 | int ret, status; | |
496 | ||
497 | ret = waitpid(ffi->pid, &status, WNOHANG); | |
498 | if (ret < 0) { | |
499 | if (errno == ECHILD) { | |
a7533dbd | 500 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
122c7725 JA |
501 | ffi->exited = 1; |
502 | } else | |
503 | log_err("fio: waitpid: %s\n", strerror(errno)); | |
504 | } else if (ret == ffi->pid) { | |
505 | if (WIFSIGNALED(status)) { | |
506 | ffi->signal = WTERMSIG(status); | |
507 | ffi->exited = 1; | |
508 | } | |
509 | if (WIFEXITED(status)) { | |
510 | if (WEXITSTATUS(status)) | |
511 | ffi->exitval = WEXITSTATUS(status); | |
512 | ffi->exited = 1; | |
513 | } | |
514 | } | |
515 | } | |
516 | ||
517 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) | |
518 | { | |
a7533dbd | 519 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
122c7725 JA |
520 | |
521 | /* | |
522 | * Fold STOP and QUIT... | |
523 | */ | |
524 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); | |
525 | fio_net_send_quit(server_fd); | |
526 | flist_del(&ffi->list); | |
527 | free(ffi); | |
528 | } | |
529 | ||
54163255 | 530 | static void fio_server_check_fork_items(struct flist_head *list) |
122c7725 JA |
531 | { |
532 | struct flist_head *entry, *tmp; | |
533 | struct fio_fork_item *ffi; | |
534 | ||
535 | flist_for_each_safe(entry, tmp, list) { | |
536 | ffi = flist_entry(entry, struct fio_fork_item, list); | |
537 | ||
538 | fio_server_check_fork_item(ffi); | |
539 | ||
540 | if (ffi->exited) | |
541 | fio_server_fork_item_done(ffi); | |
542 | } | |
543 | } | |
544 | ||
6348b5de | 545 | static void fio_server_check_jobs(struct flist_head *job_list) |
122c7725 | 546 | { |
6348b5de | 547 | fio_server_check_fork_items(job_list); |
122c7725 JA |
548 | } |
549 | ||
6348b5de | 550 | static void fio_server_check_conns(struct flist_head *conn_list) |
122c7725 | 551 | { |
6348b5de | 552 | fio_server_check_fork_items(conn_list); |
122c7725 JA |
553 | } |
554 | ||
323255cc JA |
555 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
556 | { | |
557 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; | |
558 | void *file_name = pdu->file; | |
559 | struct cmd_start_pdu spdu; | |
560 | ||
561 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); | |
562 | ||
563 | pdu->name_len = le16_to_cpu(pdu->name_len); | |
564 | pdu->client_type = le16_to_cpu(pdu->client_type); | |
565 | ||
566 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { | |
567 | fio_net_send_quit(server_fd); | |
568 | return -1; | |
569 | } | |
570 | ||
571 | spdu.jobs = cpu_to_le32(thread_number); | |
572 | spdu.stat_outputs = cpu_to_le32(stat_number); | |
573 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); | |
574 | return 0; | |
575 | } | |
576 | ||
6348b5de | 577 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
122c7725 JA |
578 | { |
579 | pid_t pid; | |
a64e88da | 580 | int ret; |
132159a5 | 581 | |
cbb1303c | 582 | fio_time_init(); |
122c7725 | 583 | set_genesis_time(); |
11e950bd | 584 | |
122c7725 JA |
585 | pid = fork(); |
586 | if (pid) { | |
6348b5de | 587 | fio_server_add_job_pid(job_list, pid); |
122c7725 JA |
588 | return 0; |
589 | } | |
11e950bd | 590 | |
122c7725 | 591 | ret = fio_backend(); |
2bb3f0a7 | 592 | free_threads_shm(); |
122c7725 | 593 | _exit(ret); |
81179eec JA |
594 | } |
595 | ||
b9d2f30a JA |
596 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
597 | { | |
46bcd498 JA |
598 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
599 | void *buf = pdu->buf; | |
b9d2f30a JA |
600 | struct cmd_start_pdu spdu; |
601 | ||
46bcd498 JA |
602 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
603 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
604 | ||
605 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
122c7725 | 606 | fio_net_send_quit(server_fd); |
b9d2f30a JA |
607 | return -1; |
608 | } | |
609 | ||
610 | spdu.jobs = cpu_to_le32(thread_number); | |
108fea77 | 611 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 612 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a JA |
613 | return 0; |
614 | } | |
615 | ||
81179eec JA |
616 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
617 | { | |
fa2ea806 JA |
618 | void *pdu = cmd->payload; |
619 | struct cmd_single_line_pdu *cslp; | |
620 | struct cmd_line_pdu *clp; | |
621 | unsigned long offset; | |
b9d2f30a | 622 | struct cmd_start_pdu spdu; |
fa2ea806 | 623 | char **argv; |
b9d2f30a | 624 | int i; |
81179eec | 625 | |
fa2ea806 JA |
626 | clp = pdu; |
627 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 628 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
629 | argv = malloc(clp->lines * sizeof(char *)); |
630 | offset = sizeof(*clp); | |
81179eec | 631 | |
fa2ea806 | 632 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 633 | |
fa2ea806 JA |
634 | for (i = 0; i < clp->lines; i++) { |
635 | cslp = pdu + offset; | |
636 | argv[i] = (char *) cslp->text; | |
637 | ||
638 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
639 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
640 | } | |
81179eec | 641 | |
46bcd498 | 642 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
122c7725 | 643 | fio_net_send_quit(server_fd); |
fa2ea806 | 644 | free(argv); |
81179eec | 645 | return -1; |
e6d1c668 | 646 | } |
81179eec | 647 | |
fa2ea806 JA |
648 | free(argv); |
649 | ||
b9d2f30a | 650 | spdu.jobs = cpu_to_le32(thread_number); |
1e5324e7 | 651 | spdu.stat_outputs = cpu_to_le32(stat_number); |
40c60516 | 652 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
b9d2f30a | 653 | return 0; |
132159a5 JA |
654 | } |
655 | ||
c28e8e8c JA |
656 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
657 | { | |
3989b143 JA |
658 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
659 | struct cmd_probe_reply_pdu probe; | |
40c60516 | 660 | uint64_t tag = cmd->tag; |
c28e8e8c | 661 | |
89c1707c JA |
662 | dprint(FD_NET, "server: sending probe reply\n"); |
663 | ||
c28e8e8c JA |
664 | memset(&probe, 0, sizeof(probe)); |
665 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
0dcebdf4 | 666 | #ifdef CONFIG_BIG_ENDIAN |
6eb24791 JA |
667 | probe.bigendian = 1; |
668 | #endif | |
750db473 | 669 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
c28e8e8c | 670 | |
cca84643 JA |
671 | probe.os = FIO_OS; |
672 | probe.arch = FIO_ARCH; | |
38fdef22 | 673 | probe.bpp = sizeof(void *); |
d31e26d0 | 674 | probe.cpus = __cpu_to_le32(cpus_online()); |
3989b143 JA |
675 | |
676 | /* | |
677 | * If the client supports compression and we do too, then enable it | |
678 | */ | |
679 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { | |
680 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); | |
681 | use_zlib = 1; | |
682 | } else { | |
683 | probe.flags = 0; | |
684 | use_zlib = 0; | |
685 | } | |
38fdef22 | 686 | |
40c60516 | 687 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
af9c9fb3 JA |
688 | } |
689 | ||
690 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
691 | { | |
692 | struct jobs_eta *je; | |
40c60516 | 693 | uint64_t tag = cmd->tag; |
723297c9 | 694 | size_t size; |
af9c9fb3 JA |
695 | int i; |
696 | ||
723297c9 JA |
697 | je = get_jobs_eta(1, &size); |
698 | if (!je) | |
af9c9fb3 | 699 | return 0; |
af9c9fb3 JA |
700 | |
701 | dprint(FD_NET, "server sending status\n"); | |
702 | ||
703 | je->nr_running = cpu_to_le32(je->nr_running); | |
704 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
705 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
714e85f3 | 706 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
af9c9fb3 | 707 | je->files_open = cpu_to_le32(je->files_open); |
af9c9fb3 | 708 | |
298921d6 | 709 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
3e47bd25 JA |
710 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
711 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
712 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
713 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
16725bb0 JA |
714 | je->rate[i] = cpu_to_le32(je->rate[i]); |
715 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
af9c9fb3 JA |
716 | } |
717 | ||
c1970b90 | 718 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 719 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 720 | je->nr_threads = cpu_to_le32(je->nr_threads); |
b7f05eb0 | 721 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
ed2c0a12 | 722 | je->unit_base = cpu_to_le32(je->unit_base); |
af9c9fb3 | 723 | |
40c60516 | 724 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
af9c9fb3 JA |
725 | free(je); |
726 | return 0; | |
c28e8e8c JA |
727 | } |
728 | ||
40c60516 JA |
729 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
730 | { | |
731 | uint64_t tag = __tag; | |
732 | uint32_t pdu_error; | |
733 | ||
734 | pdu_error = __cpu_to_le32(error); | |
735 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); | |
736 | } | |
737 | ||
f58bd2a4 JA |
738 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
739 | { | |
740 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; | |
741 | struct thread_data *td; | |
742 | uint32_t tnumber; | |
743 | ||
744 | tnumber = le32_to_cpu(pdu->thread_number); | |
745 | ||
746 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); | |
747 | ||
30ffacbf | 748 | if (!tnumber || tnumber > thread_number) { |
40c60516 | 749 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
f58bd2a4 JA |
750 | return 0; |
751 | } | |
752 | ||
30ffacbf | 753 | td = &threads[tnumber - 1]; |
f58bd2a4 | 754 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
40c60516 | 755 | send_update_job_reply(server_fd, cmd->tag, 0); |
f58bd2a4 JA |
756 | return 0; |
757 | } | |
758 | ||
6348b5de | 759 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
132159a5 JA |
760 | { |
761 | int ret; | |
762 | ||
4b91ee8f JA |
763 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
764 | fio_server_op(cmd->opcode), cmd->pdu_len, | |
765 | (unsigned long long) cmd->tag); | |
46c48f1f | 766 | |
132159a5 JA |
767 | switch (cmd->opcode) { |
768 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 769 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 770 | return -1; |
d7959186 | 771 | case FIO_NET_CMD_EXIT: |
132159a5 | 772 | exit_backend = 1; |
c28e8e8c | 773 | return -1; |
323255cc JA |
774 | case FIO_NET_CMD_LOAD_FILE: |
775 | ret = handle_load_file_cmd(cmd); | |
776 | break; | |
132159a5 | 777 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 778 | ret = handle_job_cmd(cmd); |
132159a5 | 779 | break; |
81179eec JA |
780 | case FIO_NET_CMD_JOBLINE: |
781 | ret = handle_jobline_cmd(cmd); | |
782 | break; | |
c28e8e8c JA |
783 | case FIO_NET_CMD_PROBE: |
784 | ret = handle_probe_cmd(cmd); | |
785 | break; | |
af9c9fb3 JA |
786 | case FIO_NET_CMD_SEND_ETA: |
787 | ret = handle_send_eta_cmd(cmd); | |
788 | break; | |
b9d2f30a | 789 | case FIO_NET_CMD_RUN: |
6348b5de | 790 | ret = handle_run_cmd(job_list, cmd); |
b9d2f30a | 791 | break; |
f58bd2a4 JA |
792 | case FIO_NET_CMD_UPDATE_JOB: |
793 | ret = handle_update_job_cmd(cmd); | |
794 | break; | |
132159a5 | 795 | default: |
3c3ed070 | 796 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
132159a5 JA |
797 | ret = 1; |
798 | } | |
799 | ||
800 | return ret; | |
801 | } | |
802 | ||
122c7725 | 803 | static int handle_connection(int sk) |
132159a5 JA |
804 | { |
805 | struct fio_net_cmd *cmd = NULL; | |
6348b5de | 806 | FLIST_HEAD(job_list); |
132159a5 JA |
807 | int ret = 0; |
808 | ||
122c7725 | 809 | reset_fio_state(); |
122c7725 JA |
810 | server_fd = sk; |
811 | ||
132159a5 JA |
812 | /* read forever */ |
813 | while (!exit_backend) { | |
e951bdc4 JA |
814 | struct pollfd pfd = { |
815 | .fd = sk, | |
816 | .events = POLLIN, | |
817 | }; | |
818 | ||
819 | ret = 0; | |
820 | do { | |
54163255 JA |
821 | int timeout = 1000; |
822 | ||
823 | if (!flist_empty(&job_list)) | |
824 | timeout = 100; | |
3c3ed070 | 825 | |
54163255 | 826 | ret = poll(&pfd, 1, timeout); |
e951bdc4 JA |
827 | if (ret < 0) { |
828 | if (errno == EINTR) | |
829 | break; | |
830 | log_err("fio: poll: %s\n", strerror(errno)); | |
831 | break; | |
19c65179 | 832 | } else if (!ret) { |
6348b5de | 833 | fio_server_check_jobs(&job_list); |
e951bdc4 | 834 | continue; |
19c65179 | 835 | } |
e951bdc4 JA |
836 | |
837 | if (pfd.revents & POLLIN) | |
838 | break; | |
839 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
840 | ret = 1; | |
841 | break; | |
842 | } | |
19c65179 | 843 | } while (!exit_backend); |
e951bdc4 | 844 | |
6348b5de | 845 | fio_server_check_jobs(&job_list); |
122c7725 | 846 | |
e951bdc4 JA |
847 | if (ret < 0) |
848 | break; | |
849 | ||
850 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 851 | if (!cmd) { |
c28e8e8c | 852 | ret = -1; |
132159a5 JA |
853 | break; |
854 | } | |
855 | ||
6348b5de | 856 | ret = handle_command(&job_list, cmd); |
132159a5 JA |
857 | if (ret) |
858 | break; | |
859 | ||
860 | free(cmd); | |
c77a99e7 | 861 | cmd = NULL; |
132159a5 JA |
862 | } |
863 | ||
864 | if (cmd) | |
865 | free(cmd); | |
866 | ||
122c7725 JA |
867 | close(sk); |
868 | _exit(ret); | |
cc0df00a JA |
869 | } |
870 | ||
50d16976 JA |
871 | static int accept_loop(int listen_sk) |
872 | { | |
bb447a27 | 873 | struct sockaddr_in addr; |
479471c4 JA |
874 | struct sockaddr_in6 addr6; |
875 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); | |
009b1be4 | 876 | struct pollfd pfd; |
4a851614 | 877 | int ret = 0, sk, exitval = 0; |
6348b5de | 878 | FLIST_HEAD(conn_list); |
50d16976 | 879 | |
60efd14e JA |
880 | dprint(FD_NET, "server enter accept loop\n"); |
881 | ||
4a851614 | 882 | fio_set_fd_nonblocking(listen_sk, "server"); |
009b1be4 | 883 | |
122c7725 | 884 | while (!exit_backend) { |
479471c4 JA |
885 | const char *from; |
886 | char buf[64]; | |
122c7725 | 887 | pid_t pid; |
009b1be4 | 888 | |
122c7725 JA |
889 | pfd.fd = listen_sk; |
890 | pfd.events = POLLIN; | |
891 | do { | |
54163255 JA |
892 | int timeout = 1000; |
893 | ||
894 | if (!flist_empty(&conn_list)) | |
895 | timeout = 100; | |
896 | ||
897 | ret = poll(&pfd, 1, timeout); | |
122c7725 JA |
898 | if (ret < 0) { |
899 | if (errno == EINTR) | |
900 | break; | |
901 | log_err("fio: poll: %s\n", strerror(errno)); | |
902 | break; | |
903 | } else if (!ret) { | |
6348b5de | 904 | fio_server_check_conns(&conn_list); |
122c7725 JA |
905 | continue; |
906 | } | |
009b1be4 | 907 | |
122c7725 JA |
908 | if (pfd.revents & POLLIN) |
909 | break; | |
910 | } while (!exit_backend); | |
50d16976 | 911 | |
6348b5de | 912 | fio_server_check_conns(&conn_list); |
46c48f1f | 913 | |
122c7725 JA |
914 | if (exit_backend || ret < 0) |
915 | break; | |
916 | ||
479471c4 JA |
917 | if (use_ipv6) |
918 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); | |
919 | else | |
920 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); | |
921 | ||
122c7725 JA |
922 | if (sk < 0) { |
923 | log_err("fio: accept: %s\n", strerror(errno)); | |
924 | return -1; | |
925 | } | |
37db14fe | 926 | |
479471c4 JA |
927 | if (use_ipv6) |
928 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); | |
929 | else | |
930 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); | |
931 | ||
932 | dprint(FD_NET, "server: connect from %s\n", from); | |
50d16976 | 933 | |
122c7725 JA |
934 | pid = fork(); |
935 | if (pid) { | |
936 | close(sk); | |
6348b5de | 937 | fio_server_add_conn_pid(&conn_list, pid); |
122c7725 JA |
938 | continue; |
939 | } | |
5c341e9a | 940 | |
122c7725 JA |
941 | /* exits */ |
942 | handle_connection(sk); | |
943 | } | |
5c341e9a | 944 | |
132159a5 | 945 | return exitval; |
50d16976 JA |
946 | } |
947 | ||
084d1c6f | 948 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 949 | { |
084d1c6f JA |
950 | struct cmd_text_pdu *pdu; |
951 | unsigned int tlen; | |
952 | struct timeval tv; | |
953 | ||
954 | if (server_fd == -1) | |
955 | return log_local_buf(buf, len); | |
956 | ||
957 | tlen = sizeof(*pdu) + len; | |
958 | pdu = malloc(tlen); | |
959 | ||
960 | pdu->level = __cpu_to_le32(level); | |
961 | pdu->buf_len = __cpu_to_le32(len); | |
962 | ||
963 | gettimeofday(&tv, NULL); | |
964 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
965 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 966 | |
084d1c6f JA |
967 | memcpy(pdu->buf, buf, len); |
968 | ||
40c60516 | 969 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
084d1c6f JA |
970 | free(pdu); |
971 | return len; | |
142575e6 JA |
972 | } |
973 | ||
a64e88da JA |
974 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
975 | { | |
976 | dst->max_val = cpu_to_le64(src->max_val); | |
977 | dst->min_val = cpu_to_le64(src->min_val); | |
978 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
979 | |
980 | /* | |
981 | * Encode to IEEE 754 for network transfer | |
982 | */ | |
e5c9093d JA |
983 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
984 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
985 | } |
986 | ||
987 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
988 | { | |
989 | int i; | |
990 | ||
298921d6 | 991 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
992 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
993 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
994 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
995 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
996 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
997 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
998 | } | |
999 | ||
1000 | dst->kb_base = cpu_to_le32(src->kb_base); | |
ad705bcb | 1001 | dst->unit_base = cpu_to_le32(src->unit_base); |
a64e88da | 1002 | dst->groupid = cpu_to_le32(src->groupid); |
771e58be | 1003 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
a64e88da JA |
1004 | } |
1005 | ||
1006 | /* | |
1007 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
1008 | * into a single payload. | |
1009 | */ | |
1010 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
1011 | { | |
1012 | struct cmd_ts_pdu p; | |
1013 | int i, j; | |
1014 | ||
60efd14e JA |
1015 | dprint(FD_NET, "server sending end stats\n"); |
1016 | ||
317b3c8b JA |
1017 | memset(&p, 0, sizeof(p)); |
1018 | ||
4e59d0f3 JA |
1019 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
1020 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); | |
1021 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); | |
a64e88da | 1022 | |
2f122b13 JA |
1023 | p.ts.error = cpu_to_le32(ts->error); |
1024 | p.ts.thread_number = cpu_to_le32(ts->thread_number); | |
1025 | p.ts.groupid = cpu_to_le32(ts->groupid); | |
1026 | p.ts.pid = cpu_to_le32(ts->pid); | |
1027 | p.ts.members = cpu_to_le32(ts->members); | |
771e58be | 1028 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
a64e88da | 1029 | |
298921d6 | 1030 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1031 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
1032 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
1033 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
1034 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
1035 | } | |
1036 | ||
1037 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
1038 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
1039 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
1040 | p.ts.minf = cpu_to_le64(ts->minf); | |
1041 | p.ts.majf = cpu_to_le64(ts->majf); | |
1042 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
1043 | |
1044 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
1045 | fio_fp64_t *src = &ts->percentile_list[i]; |
1046 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 1047 | |
e5c9093d | 1048 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 1049 | } |
a64e88da JA |
1050 | |
1051 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
1052 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
1053 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
1054 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
1055 | } | |
1056 | ||
1057 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
1058 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
1059 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
1060 | } | |
1061 | ||
298921d6 | 1062 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
a64e88da JA |
1063 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
1064 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
1065 | ||
78799deb | 1066 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da | 1067 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
93eee04a | 1068 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
3bcb9d94 | 1069 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
a64e88da JA |
1070 | } |
1071 | ||
93eee04a | 1072 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
1073 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
1074 | ||
298921d6 | 1075 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
a64e88da JA |
1076 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
1077 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
1078 | } | |
1079 | ||
1080 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
1081 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
1082 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
1083 | p.ts.first_error = cpu_to_le32(ts->first_error); |
1084 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
ad705bcb | 1085 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
a64e88da | 1086 | |
3e260a46 JA |
1087 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
1088 | p.ts.latency_target = cpu_to_le64(ts->latency_target); | |
1089 | p.ts.latency_window = cpu_to_le64(ts->latency_window); | |
e5c9093d | 1090 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
3e260a46 | 1091 | |
a64e88da JA |
1092 | convert_gs(&p.rs, rs); |
1093 | ||
40c60516 | 1094 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
a64e88da JA |
1095 | } |
1096 | ||
1097 | void fio_server_send_gs(struct group_run_stats *rs) | |
1098 | { | |
1099 | struct group_run_stats gs; | |
1100 | ||
60efd14e JA |
1101 | dprint(FD_NET, "server sending group run stats\n"); |
1102 | ||
a64e88da | 1103 | convert_gs(&gs, rs); |
40c60516 | 1104 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
cf451d1e JA |
1105 | } |
1106 | ||
d09a64a0 JA |
1107 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
1108 | { | |
1109 | int i; | |
1110 | ||
1111 | for (i = 0; i < 2; i++) { | |
1112 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
1113 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
1114 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
1115 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
1116 | } | |
1117 | ||
1118 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
1119 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
1120 | dst->slavecount = cpu_to_le32(src->slavecount); | |
e5c9093d | 1121 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
d09a64a0 JA |
1122 | } |
1123 | ||
1124 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
1125 | { | |
1126 | int i; | |
1127 | ||
59140421 JA |
1128 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
1129 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); | |
d09a64a0 JA |
1130 | |
1131 | for (i = 0; i < 2; i++) { | |
a3b4cf7d JA |
1132 | dst->s.ios[i] = cpu_to_le32(src->s.ios[i]); |
1133 | dst->s.merges[i] = cpu_to_le32(src->s.merges[i]); | |
1134 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); | |
1135 | dst->s.ticks[i] = cpu_to_le32(src->s.ticks[i]); | |
d09a64a0 JA |
1136 | } |
1137 | ||
a3b4cf7d JA |
1138 | dst->s.io_ticks = cpu_to_le32(src->s.io_ticks); |
1139 | dst->s.time_in_queue = cpu_to_le32(src->s.time_in_queue); | |
1140 | dst->s.msec = cpu_to_le64(src->s.msec); | |
d09a64a0 JA |
1141 | } |
1142 | ||
1143 | void fio_server_send_du(void) | |
1144 | { | |
1145 | struct disk_util *du; | |
1146 | struct flist_head *entry; | |
1147 | struct cmd_du_pdu pdu; | |
1148 | ||
1149 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
1150 | ||
0766d92e JA |
1151 | memset(&pdu, 0, sizeof(pdu)); |
1152 | ||
d09a64a0 JA |
1153 | flist_for_each(entry, &disk_list) { |
1154 | du = flist_entry(entry, struct disk_util, list); | |
1155 | ||
1156 | convert_dus(&pdu.dus, &du->dus); | |
1157 | convert_agg(&pdu.agg, &du->agg); | |
1158 | ||
40c60516 | 1159 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
d09a64a0 JA |
1160 | } |
1161 | } | |
1162 | ||
53bd8dbc JA |
1163 | /* |
1164 | * Send a command with a separate PDU, not inlined in the command | |
1165 | */ | |
1166 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, | |
1167 | off_t size, uint64_t tag, uint32_t flags) | |
1168 | { | |
1169 | struct fio_net_cmd cmd; | |
1170 | struct iovec iov[2]; | |
1171 | ||
9f247261 | 1172 | iov[0].iov_base = (void *) &cmd; |
53bd8dbc JA |
1173 | iov[0].iov_len = sizeof(cmd); |
1174 | iov[1].iov_base = (void *) buf; | |
1175 | iov[1].iov_len = size; | |
1176 | ||
1177 | __fio_init_net_cmd(&cmd, opcode, size, tag); | |
1178 | cmd.flags = __cpu_to_le32(flags); | |
1179 | fio_net_cmd_crc_pdu(&cmd, buf); | |
1180 | ||
8c95307b | 1181 | return fio_sendv_data(sk, iov, 2); |
53bd8dbc JA |
1182 | } |
1183 | ||
3989b143 | 1184 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
1b42725f | 1185 | { |
3989b143 JA |
1186 | int ret = 0; |
1187 | #ifdef CONFIG_ZLIB | |
1b42725f JA |
1188 | z_stream stream; |
1189 | void *out_pdu; | |
1b42725f JA |
1190 | |
1191 | /* | |
1192 | * Dirty - since the log is potentially huge, compress it into | |
1193 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving | |
1194 | * side defragment it. | |
1195 | */ | |
1196 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); | |
1197 | ||
1198 | stream.zalloc = Z_NULL; | |
1199 | stream.zfree = Z_NULL; | |
1200 | stream.opaque = Z_NULL; | |
1201 | ||
1202 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { | |
53bd8dbc JA |
1203 | ret = 1; |
1204 | goto err; | |
1b42725f JA |
1205 | } |
1206 | ||
f5ed765a | 1207 | stream.next_in = (void *) log->log; |
ae588852 | 1208 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
1b42725f JA |
1209 | |
1210 | do { | |
53bd8dbc JA |
1211 | unsigned int this_len, flags = 0; |
1212 | int ret; | |
1b42725f JA |
1213 | |
1214 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; | |
1215 | stream.next_out = out_pdu; | |
3c547fe0 JA |
1216 | ret = deflate(&stream, Z_FINISH); |
1217 | /* may be Z_OK, or Z_STREAM_END */ | |
1218 | if (ret < 0) | |
1219 | goto err_zlib; | |
1b42725f JA |
1220 | |
1221 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; | |
1222 | ||
1b42725f | 1223 | if (stream.avail_in) |
53bd8dbc | 1224 | flags = FIO_NET_CMD_F_MORE; |
1b42725f | 1225 | |
53bd8dbc JA |
1226 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
1227 | out_pdu, this_len, 0, flags); | |
1228 | if (ret) | |
1229 | goto err_zlib; | |
1b42725f JA |
1230 | } while (stream.avail_in); |
1231 | ||
53bd8dbc | 1232 | err_zlib: |
1b42725f | 1233 | deflateEnd(&stream); |
53bd8dbc JA |
1234 | err: |
1235 | free(out_pdu); | |
3989b143 | 1236 | #endif |
53bd8dbc | 1237 | return ret; |
1b42725f JA |
1238 | } |
1239 | ||
3989b143 JA |
1240 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
1241 | { | |
1242 | struct cmd_iolog_pdu pdu; | |
1243 | int i, ret = 0; | |
1244 | ||
ae588852 | 1245 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
3989b143 | 1246 | pdu.thread_number = cpu_to_le32(td->thread_number); |
3989b143 JA |
1247 | pdu.log_type = cpu_to_le32(log->log_type); |
1248 | pdu.compressed = cpu_to_le32(use_zlib); | |
9bdb9265 JA |
1249 | |
1250 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); | |
1251 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; | |
3989b143 JA |
1252 | |
1253 | for (i = 0; i < log->nr_samples; i++) { | |
ae588852 | 1254 | struct io_sample *s = get_sample(log, i); |
3989b143 | 1255 | |
b26317c9 JA |
1256 | s->time = cpu_to_le64(s->time); |
1257 | s->val = cpu_to_le64(s->val); | |
1258 | s->__ddir = cpu_to_le32(s->__ddir); | |
1259 | s->bs = cpu_to_le32(s->bs); | |
ae588852 JA |
1260 | |
1261 | if (log->log_offset) { | |
1262 | struct io_sample_offset *so = (void *) s; | |
1263 | ||
1264 | so->offset = cpu_to_le64(so->offset); | |
1265 | } | |
3989b143 JA |
1266 | } |
1267 | ||
1268 | /* | |
1269 | * Send header first, it's not compressed. | |
1270 | */ | |
1271 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, | |
1272 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); | |
1273 | if (ret) | |
1274 | return ret; | |
1275 | ||
1276 | /* | |
1277 | * Now send actual log, compress if we can, otherwise just plain | |
1278 | */ | |
1279 | if (use_zlib) | |
1280 | return fio_send_iolog_gz(&pdu, log); | |
1281 | ||
1282 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, | |
ae588852 | 1283 | log->nr_samples * log_entry_sz(log), 0, 0); |
3989b143 JA |
1284 | } |
1285 | ||
2f122b13 | 1286 | void fio_server_send_add_job(struct thread_data *td) |
807f9971 JA |
1287 | { |
1288 | struct cmd_add_job_pdu pdu; | |
807f9971 | 1289 | |
731e30a2 | 1290 | memset(&pdu, 0, sizeof(pdu)); |
2f122b13 JA |
1291 | pdu.thread_number = cpu_to_le32(td->thread_number); |
1292 | pdu.groupid = cpu_to_le32(td->groupid); | |
1293 | convert_thread_options_to_net(&pdu.top, &td->o); | |
807f9971 | 1294 | |
40c60516 | 1295 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
807f9971 JA |
1296 | } |
1297 | ||
122c7725 JA |
1298 | void fio_server_send_start(struct thread_data *td) |
1299 | { | |
1300 | assert(server_fd != -1); | |
1301 | ||
1302 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); | |
1303 | } | |
1304 | ||
87aa8f19 | 1305 | static int fio_init_server_ip(void) |
81179eec | 1306 | { |
811826be | 1307 | struct sockaddr *addr; |
67bf9823 | 1308 | socklen_t socklen; |
17e3531a JA |
1309 | char buf[80]; |
1310 | const char *str; | |
87aa8f19 | 1311 | int sk, opt; |
81179eec | 1312 | |
811826be JA |
1313 | if (use_ipv6) |
1314 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
1315 | else | |
1316 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
1317 | ||
81179eec JA |
1318 | if (sk < 0) { |
1319 | log_err("fio: socket: %s\n", strerror(errno)); | |
1320 | return -1; | |
1321 | } | |
1322 | ||
1323 | opt = 1; | |
1f81991e | 1324 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
81179eec | 1325 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1326 | close(sk); |
81179eec JA |
1327 | return -1; |
1328 | } | |
1329 | #ifdef SO_REUSEPORT | |
6eb24791 | 1330 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 1331 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 1332 | close(sk); |
81179eec JA |
1333 | return -1; |
1334 | } | |
1335 | #endif | |
1336 | ||
811826be | 1337 | if (use_ipv6) { |
17e3531a JA |
1338 | const void *src = &saddr_in6.sin6_addr; |
1339 | ||
811826be JA |
1340 | addr = (struct sockaddr *) &saddr_in6; |
1341 | socklen = sizeof(saddr_in6); | |
1342 | saddr_in6.sin6_family = AF_INET6; | |
17e3531a | 1343 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
811826be | 1344 | } else { |
17e3531a JA |
1345 | const void *src = &saddr_in.sin_addr; |
1346 | ||
811826be JA |
1347 | addr = (struct sockaddr *) &saddr_in; |
1348 | socklen = sizeof(saddr_in); | |
1349 | saddr_in.sin_family = AF_INET; | |
17e3531a | 1350 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
811826be | 1351 | } |
81179eec | 1352 | |
811826be | 1353 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 1354 | log_err("fio: bind: %s\n", strerror(errno)); |
17e3531a | 1355 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
b94cba47 | 1356 | close(sk); |
81179eec JA |
1357 | return -1; |
1358 | } | |
1359 | ||
87aa8f19 JA |
1360 | return sk; |
1361 | } | |
1362 | ||
1363 | static int fio_init_server_sock(void) | |
1364 | { | |
1365 | struct sockaddr_un addr; | |
67bf9823 | 1366 | socklen_t len; |
87aa8f19 JA |
1367 | mode_t mode; |
1368 | int sk; | |
1369 | ||
1370 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
1371 | if (sk < 0) { | |
1372 | log_err("fio: socket: %s\n", strerror(errno)); | |
1373 | return -1; | |
1374 | } | |
1375 | ||
1376 | mode = umask(000); | |
1377 | ||
1378 | memset(&addr, 0, sizeof(addr)); | |
1379 | addr.sun_family = AF_UNIX; | |
a48fddbc | 1380 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
87aa8f19 JA |
1381 | |
1382 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
1383 | ||
1384 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
1385 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 1386 | close(sk); |
87aa8f19 JA |
1387 | return -1; |
1388 | } | |
1389 | ||
1390 | umask(mode); | |
1391 | return sk; | |
1392 | } | |
1393 | ||
1394 | static int fio_init_server_connection(void) | |
1395 | { | |
bebe6398 | 1396 | char bind_str[128]; |
87aa8f19 JA |
1397 | int sk; |
1398 | ||
1399 | dprint(FD_NET, "starting server\n"); | |
1400 | ||
1401 | if (!bind_sock) | |
1402 | sk = fio_init_server_ip(); | |
1403 | else | |
1404 | sk = fio_init_server_sock(); | |
1405 | ||
1406 | if (sk < 0) | |
1407 | return sk; | |
1408 | ||
afdcad23 JA |
1409 | memset(bind_str, 0, sizeof(bind_str)); |
1410 | ||
811826be JA |
1411 | if (!bind_sock) { |
1412 | char *p, port[16]; | |
1413 | const void *src; | |
1414 | int af; | |
1415 | ||
1416 | if (use_ipv6) { | |
1417 | af = AF_INET6; | |
1418 | src = &saddr_in6.sin6_addr; | |
1419 | } else { | |
1420 | af = AF_INET; | |
1421 | src = &saddr_in.sin_addr; | |
1422 | } | |
1423 | ||
1424 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
1425 | ||
1426 | sprintf(port, ",%u", fio_net_port); | |
1427 | if (p) | |
1428 | strcat(p, port); | |
1429 | else | |
afdcad23 | 1430 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
811826be | 1431 | } else |
afdcad23 | 1432 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
bebe6398 JA |
1433 | |
1434 | log_info("fio: server listening on %s\n", bind_str); | |
1435 | ||
89c1707c | 1436 | if (listen(sk, 0) < 0) { |
81179eec | 1437 | log_err("fio: listen: %s\n", strerror(errno)); |
2fd973c9 | 1438 | close(sk); |
81179eec JA |
1439 | return -1; |
1440 | } | |
1441 | ||
87aa8f19 JA |
1442 | return sk; |
1443 | } | |
1444 | ||
3aa3ceeb | 1445 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
3ec62ec4 JA |
1446 | struct in6_addr *inp6) |
1447 | ||
1448 | { | |
1449 | int ret = 0; | |
1450 | ||
3aa3ceeb | 1451 | if (ipv6) |
3ec62ec4 JA |
1452 | ret = inet_pton(AF_INET6, host, inp6); |
1453 | else | |
1454 | ret = inet_pton(AF_INET, host, inp); | |
1455 | ||
1456 | if (ret != 1) { | |
479471c4 JA |
1457 | struct addrinfo hints, *res; |
1458 | ||
1459 | memset(&hints, 0, sizeof(hints)); | |
3aa3ceeb | 1460 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
479471c4 | 1461 | hints.ai_socktype = SOCK_STREAM; |
3ec62ec4 | 1462 | |
479471c4 JA |
1463 | ret = getaddrinfo(host, NULL, &hints, &res); |
1464 | if (ret) { | |
1465 | log_err("fio: failed to resolve <%s> (%s)\n", host, | |
1466 | gai_strerror(ret)); | |
3caf43e3 | 1467 | return 1; |
3ec62ec4 JA |
1468 | } |
1469 | ||
3aa3ceeb | 1470 | if (ipv6) |
479471c4 JA |
1471 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
1472 | else | |
1473 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); | |
1474 | ||
3ec62ec4 | 1475 | ret = 1; |
479471c4 | 1476 | freeaddrinfo(res); |
3ec62ec4 JA |
1477 | } |
1478 | ||
1479 | return !(ret == 1); | |
1480 | } | |
1481 | ||
660a2bfb JA |
1482 | /* |
1483 | * Parse a host/ip/port string. Reads from 'str'. | |
1484 | * | |
1485 | * Outputs: | |
1486 | * | |
1487 | * For IPv4: | |
1488 | * *ptr is the host, *port is the port, inp is the destination. | |
1489 | * For IPv6: | |
1490 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1491 | * For local domain sockets: | |
1492 | * *ptr is the filename, *is_sock is 1. | |
1493 | */ | |
bebe6398 | 1494 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1495 | int *port, struct in_addr *inp, |
1496 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1497 | { |
76867621 JA |
1498 | const char *host = str; |
1499 | char *portp; | |
3ec62ec4 | 1500 | int lport = 0; |
76867621 | 1501 | |
bebe6398 JA |
1502 | *ptr = NULL; |
1503 | *is_sock = 0; | |
6d2cf394 | 1504 | *port = fio_net_port; |
811826be | 1505 | *ipv6 = 0; |
bebe6398 JA |
1506 | |
1507 | if (!strncmp(str, "sock:", 5)) { | |
1508 | *ptr = strdup(str + 5); | |
1509 | *is_sock = 1; | |
76867621 JA |
1510 | |
1511 | return 0; | |
1512 | } | |
1513 | ||
1514 | /* | |
1515 | * Is it ip:<ip or host>:port | |
1516 | */ | |
1517 | if (!strncmp(host, "ip:", 3)) | |
1518 | host += 3; | |
1519 | else if (!strncmp(host, "ip4:", 4)) | |
1520 | host += 4; | |
1521 | else if (!strncmp(host, "ip6:", 4)) { | |
1522 | host += 4; | |
1523 | *ipv6 = 1; | |
1524 | } else if (host[0] == ':') { | |
1525 | /* String is :port */ | |
1526 | host++; | |
1527 | lport = atoi(host); | |
1528 | if (!lport || lport > 65535) { | |
4e0a8fa2 | 1529 | log_err("fio: bad server port %u\n", lport); |
76867621 JA |
1530 | return 1; |
1531 | } | |
1532 | /* no hostname given, we are done */ | |
1533 | *port = lport; | |
1534 | return 0; | |
1535 | } | |
1536 | ||
1537 | /* | |
b96b90c3 | 1538 | * If no port seen yet, check if there's a last ',' at the end |
76867621 JA |
1539 | */ |
1540 | if (!lport) { | |
1541 | portp = strchr(host, ','); | |
1542 | if (portp) { | |
1543 | *portp = '\0'; | |
1544 | portp++; | |
1545 | lport = atoi(portp); | |
bebe6398 | 1546 | if (!lport || lport > 65535) { |
4e0a8fa2 | 1547 | log_err("fio: bad server port %u\n", lport); |
bebe6398 JA |
1548 | return 1; |
1549 | } | |
bebe6398 | 1550 | } |
76867621 | 1551 | } |
bebe6398 | 1552 | |
76867621 JA |
1553 | if (lport) |
1554 | *port = lport; | |
bebe6398 | 1555 | |
76867621 JA |
1556 | if (!strlen(host)) |
1557 | return 0; | |
bebe6398 | 1558 | |
76867621 | 1559 | *ptr = strdup(host); |
811826be | 1560 | |
3aa3ceeb | 1561 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
3ec62ec4 JA |
1562 | free(*ptr); |
1563 | *ptr = NULL; | |
1564 | return 1; | |
bebe6398 JA |
1565 | } |
1566 | ||
1567 | if (*port == 0) | |
1568 | *port = fio_net_port; | |
1569 | ||
1570 | return 0; | |
1571 | } | |
1572 | ||
87aa8f19 JA |
1573 | /* |
1574 | * Server arg should be one of: | |
1575 | * | |
1576 | * sock:/path/to/socket | |
1577 | * ip:1.2.3.4 | |
1578 | * 1.2.3.4 | |
1579 | * | |
1580 | * Where sock uses unix domain sockets, and ip binds the server to | |
1581 | * a specific interface. If no arguments are given to the server, it | |
1582 | * uses IP and binds to 0.0.0.0. | |
1583 | * | |
1584 | */ | |
1585 | static int fio_handle_server_arg(void) | |
1586 | { | |
6d2cf394 | 1587 | int port = fio_net_port; |
a7de0a11 | 1588 | int is_sock, ret = 0; |
bebe6398 | 1589 | |
87aa8f19 JA |
1590 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1591 | ||
1592 | if (!fio_server_arg) | |
a7de0a11 | 1593 | goto out; |
87aa8f19 | 1594 | |
4e5b8fb8 | 1595 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1596 | &port, &saddr_in.sin_addr, |
1597 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1598 | |
1599 | if (!is_sock && bind_sock) { | |
1600 | free(bind_sock); | |
1601 | bind_sock = NULL; | |
1602 | } | |
1603 | ||
a7de0a11 | 1604 | out: |
6d2cf394 JA |
1605 | fio_net_port = port; |
1606 | saddr_in.sin_port = htons(port); | |
811826be | 1607 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1608 | return ret; |
87aa8f19 JA |
1609 | } |
1610 | ||
43cdea1d JA |
1611 | static void sig_int(int sig) |
1612 | { | |
1613 | if (bind_sock) | |
1614 | unlink(bind_sock); | |
1615 | } | |
1616 | ||
1617 | static void set_sig_handlers(void) | |
1618 | { | |
1619 | struct sigaction act; | |
1620 | ||
1621 | memset(&act, 0, sizeof(act)); | |
1622 | act.sa_handler = sig_int; | |
1623 | act.sa_flags = SA_RESTART; | |
1624 | sigaction(SIGINT, &act, NULL); | |
1625 | } | |
1626 | ||
87aa8f19 JA |
1627 | static int fio_server(void) |
1628 | { | |
1629 | int sk, ret; | |
1630 | ||
1631 | dprint(FD_NET, "starting server\n"); | |
1632 | ||
1633 | if (fio_handle_server_arg()) | |
1634 | return -1; | |
1635 | ||
1636 | sk = fio_init_server_connection(); | |
1637 | if (sk < 0) | |
1638 | return -1; | |
81179eec | 1639 | |
43cdea1d JA |
1640 | set_sig_handlers(); |
1641 | ||
81179eec | 1642 | ret = accept_loop(sk); |
87aa8f19 | 1643 | |
81179eec | 1644 | close(sk); |
87aa8f19 JA |
1645 | |
1646 | if (fio_server_arg) { | |
1647 | free(fio_server_arg); | |
1648 | fio_server_arg = NULL; | |
1649 | } | |
bebe6398 JA |
1650 | if (bind_sock) |
1651 | free(bind_sock); | |
87aa8f19 | 1652 | |
81179eec JA |
1653 | return ret; |
1654 | } | |
1655 | ||
7b821684 | 1656 | void fio_server_got_signal(int signal) |
9abea48b | 1657 | { |
7b821684 JA |
1658 | if (signal == SIGPIPE) |
1659 | server_fd = -1; | |
1660 | else { | |
1661 | log_info("\nfio: terminating on signal %d\n", signal); | |
1662 | exit_backend = 1; | |
1663 | } | |
9abea48b JA |
1664 | } |
1665 | ||
13755d94 JA |
1666 | static int check_existing_pidfile(const char *pidfile) |
1667 | { | |
1668 | struct stat sb; | |
1669 | char buf[16]; | |
1670 | pid_t pid; | |
1671 | FILE *f; | |
1672 | ||
1673 | if (stat(pidfile, &sb)) | |
1674 | return 0; | |
1675 | ||
1676 | f = fopen(pidfile, "r"); | |
1677 | if (!f) | |
1678 | return 0; | |
1679 | ||
bfc3b179 | 1680 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1681 | fclose(f); |
1682 | return 1; | |
1683 | } | |
1684 | fclose(f); | |
1685 | ||
1686 | pid = atoi(buf); | |
1687 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1688 | return errno != ESRCH; |
13755d94 JA |
1689 | |
1690 | return 1; | |
1691 | } | |
1692 | ||
1693 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1694 | { |
1695 | FILE *fpid; | |
1696 | ||
1697 | fpid = fopen(pidfile, "w"); | |
1698 | if (!fpid) { | |
1699 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1700 | return 1; |
402668f3 JA |
1701 | } |
1702 | ||
1703 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1704 | fclose(fpid); |
1705 | return 0; | |
402668f3 JA |
1706 | } |
1707 | ||
1708 | /* | |
1709 | * If pidfile is specified, background us. | |
1710 | */ | |
1711 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1712 | { |
1713 | pid_t pid; | |
402668f3 | 1714 | int ret; |
e46d8091 | 1715 | |
93bcfd20 | 1716 | #if defined(WIN32) |
905c78b9 | 1717 | WSADATA wsd; |
3c3ed070 | 1718 | WSAStartup(MAKEWORD(2, 2), &wsd); |
93bcfd20 BC |
1719 | #endif |
1720 | ||
402668f3 | 1721 | if (!pidfile) |
e46d8091 JA |
1722 | return fio_server(); |
1723 | ||
13755d94 JA |
1724 | if (check_existing_pidfile(pidfile)) { |
1725 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1726 | pidfile); | |
b8ba87ac | 1727 | free(pidfile); |
13755d94 JA |
1728 | return -1; |
1729 | } | |
1730 | ||
e46d8091 JA |
1731 | pid = fork(); |
1732 | if (pid < 0) { | |
13755d94 | 1733 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1734 | free(pidfile); |
c28e8e8c | 1735 | return -1; |
402668f3 | 1736 | } else if (pid) { |
13755d94 JA |
1737 | int ret = write_pid(pid, pidfile); |
1738 | ||
b8ba87ac | 1739 | free(pidfile); |
44c8268d | 1740 | _exit(ret); |
402668f3 | 1741 | } |
e46d8091 JA |
1742 | |
1743 | setsid(); | |
13755d94 JA |
1744 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1745 | log_syslog = 1; | |
e46d8091 JA |
1746 | close(STDIN_FILENO); |
1747 | close(STDOUT_FILENO); | |
1748 | close(STDERR_FILENO); | |
1749 | f_out = NULL; | |
1750 | f_err = NULL; | |
402668f3 JA |
1751 | |
1752 | ret = fio_server(); | |
1753 | ||
1754 | closelog(); | |
1755 | unlink(pidfile); | |
1756 | free(pidfile); | |
1757 | return ret; | |
e46d8091 | 1758 | } |
87aa8f19 | 1759 | |
bebe6398 | 1760 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1761 | { |
1762 | fio_server_arg = strdup(arg); | |
1763 | } |