Commit | Line | Data |
---|---|---|
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 JA |
6 | #include <errno.h> |
7 | #include <fcntl.h> | |
8 | #include <sys/poll.h> | |
50d16976 JA |
9 | #include <sys/types.h> |
10 | #include <sys/wait.h> | |
d05c4a03 | 11 | #include <sys/socket.h> |
87aa8f19 JA |
12 | #include <sys/stat.h> |
13 | #include <sys/un.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> |
50d16976 JA |
19 | |
20 | #include "fio.h" | |
132159a5 | 21 | #include "server.h" |
fcee5ff6 | 22 | #include "crc/crc16.h" |
c7c6cb4c | 23 | #include "lib/ieee754.h" |
89cf1480 JA |
24 | |
25 | #include "fio_version.h" | |
50d16976 | 26 | |
5adc2447 | 27 | int fio_net_port = FIO_NET_PORT; |
50d16976 | 28 | |
009b1be4 JA |
29 | int exit_backend = 0; |
30 | ||
46c48f1f | 31 | static int server_fd = -1; |
87aa8f19 JA |
32 | static char *fio_server_arg; |
33 | static char *bind_sock; | |
34 | static struct sockaddr_in saddr_in; | |
811826be | 35 | static struct sockaddr_in6 saddr_in6; |
01be038e | 36 | static int first_cmd_check; |
811826be | 37 | static int use_ipv6; |
37db14fe | 38 | |
89c1707c JA |
39 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
40 | "", | |
41 | "QUIT", | |
42 | "EXIT", | |
43 | "JOB", | |
44 | "JOBLINE", | |
45 | "TEXT", | |
46 | "TS", | |
47 | "GS", | |
48 | "SEND_ETA", | |
49 | "ETA", | |
50 | "PROBE", | |
51 | "START", | |
d09a64a0 JA |
52 | "STOP", |
53 | "DISK_UTIL", | |
b9d2f30a | 54 | "SERVER_START", |
807f9971 | 55 | "ADD_JOB", |
b9d2f30a | 56 | "CMD_RUN" |
89c1707c JA |
57 | }; |
58 | ||
59 | const char *fio_server_op(unsigned int op) | |
60 | { | |
61 | static char buf[32]; | |
62 | ||
63 | if (op < FIO_NET_CMD_NR) | |
64 | return fio_server_ops[op]; | |
65 | ||
66 | sprintf(buf, "UNKNOWN/%d", op); | |
67 | return buf; | |
68 | } | |
69 | ||
132159a5 JA |
70 | int fio_send_data(int sk, const void *p, unsigned int len) |
71 | { | |
b9d2f30a | 72 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); |
794d69ca | 73 | |
132159a5 JA |
74 | do { |
75 | int ret = send(sk, p, len, 0); | |
76 | ||
77 | if (ret > 0) { | |
78 | len -= ret; | |
79 | if (!len) | |
80 | break; | |
81 | p += ret; | |
82 | continue; | |
83 | } else if (!ret) | |
84 | break; | |
85 | else if (errno == EAGAIN || errno == EINTR) | |
86 | continue; | |
7b821684 JA |
87 | else |
88 | break; | |
132159a5 JA |
89 | } while (!exit_backend); |
90 | ||
91 | if (!len) | |
92 | return 0; | |
93 | ||
8b4e61b2 JA |
94 | if (errno) |
95 | return -errno; | |
96 | ||
132159a5 JA |
97 | return 1; |
98 | } | |
99 | ||
100 | int fio_recv_data(int sk, void *p, unsigned int len) | |
101 | { | |
102 | do { | |
103 | int ret = recv(sk, p, len, MSG_WAITALL); | |
104 | ||
105 | if (ret > 0) { | |
106 | len -= ret; | |
107 | if (!len) | |
108 | break; | |
109 | p += ret; | |
110 | continue; | |
111 | } else if (!ret) | |
112 | break; | |
113 | else if (errno == EAGAIN || errno == EINTR) | |
114 | continue; | |
7b821684 JA |
115 | else |
116 | break; | |
132159a5 JA |
117 | } while (!exit_backend); |
118 | ||
119 | if (!len) | |
120 | return 0; | |
121 | ||
122 | return -1; | |
123 | } | |
124 | ||
125 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
126 | { | |
fcee5ff6 | 127 | uint16_t crc; |
132159a5 | 128 | |
fcee5ff6 JA |
129 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
130 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 131 | |
25dfa848 | 132 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
fcee5ff6 | 133 | if (crc != cmd->cmd_crc16) { |
132159a5 | 134 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 135 | cmd->cmd_crc16, crc); |
132159a5 JA |
136 | return 1; |
137 | } | |
138 | ||
139 | cmd->version = le16_to_cpu(cmd->version); | |
140 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
141 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 142 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
143 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
144 | ||
145 | switch (cmd->version) { | |
fa2ea806 | 146 | case FIO_SERVER_VER: |
132159a5 JA |
147 | break; |
148 | default: | |
149 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
150 | return 1; | |
151 | } | |
152 | ||
b9d2f30a | 153 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
132159a5 JA |
154 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
155 | return 1; | |
156 | } | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
a64e88da JA |
161 | /* |
162 | * Read (and defragment, if necessary) incoming commands | |
163 | */ | |
e951bdc4 | 164 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 165 | { |
a64e88da JA |
166 | struct fio_net_cmd cmd, *cmdret = NULL; |
167 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 168 | uint16_t crc; |
a64e88da JA |
169 | int ret, first = 1; |
170 | void *pdu = NULL; | |
132159a5 | 171 | |
a64e88da JA |
172 | do { |
173 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
174 | if (ret) | |
175 | break; | |
132159a5 | 176 | |
a64e88da JA |
177 | /* We have a command, verify it and swap if need be */ |
178 | ret = verify_convert_cmd(&cmd); | |
179 | if (ret) | |
180 | break; | |
132159a5 | 181 | |
0b8f30a5 JA |
182 | if (first) { |
183 | /* if this is text, add room for \0 at the end */ | |
184 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
185 | assert(!cmdret); | |
186 | } else | |
a64e88da | 187 | cmd_size += cmd.pdu_len; |
132159a5 | 188 | |
a64e88da | 189 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 190 | |
a64e88da JA |
191 | if (first) |
192 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
67f15dcf JA |
193 | else if (cmdret->opcode != cmd.opcode) { |
194 | log_err("fio: fragment opcode mismatch (%d != %d)\n", | |
195 | cmdret->opcode, cmd.opcode); | |
196 | ret = 1; | |
197 | break; | |
198 | } | |
a64e88da JA |
199 | |
200 | if (!cmd.pdu_len) | |
201 | break; | |
202 | ||
203 | /* There's payload, get it */ | |
204 | pdu = (void *) cmdret->payload + pdu_offset; | |
205 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
206 | if (ret) | |
207 | break; | |
208 | ||
209 | /* Verify payload crc */ | |
25dfa848 | 210 | crc = fio_crc16(pdu, cmd.pdu_len); |
a64e88da JA |
211 | if (crc != cmd.pdu_crc16) { |
212 | log_err("fio: server bad crc on payload "); | |
213 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
214 | ret = 1; | |
215 | break; | |
216 | } | |
217 | ||
218 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
219 | if (!first) |
220 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
221 | first = 0; |
222 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 223 | |
a64e88da JA |
224 | if (ret) { |
225 | free(cmdret); | |
226 | cmdret = NULL; | |
0b8f30a5 JA |
227 | } else if (cmdret) { |
228 | /* zero-terminate text input */ | |
084d1c6f JA |
229 | if (cmdret->pdu_len) { |
230 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { | |
231 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; | |
232 | char *buf = (char *) pdu->buf; | |
0b8f30a5 | 233 | |
084d1c6f JA |
234 | buf[pdu->buf_len ] = '\0'; |
235 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { | |
46bcd498 JA |
236 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
237 | char *buf = (char *) pdu->buf; | |
238 | int len = le32_to_cpu(pdu->buf_len); | |
084d1c6f | 239 | |
46bcd498 | 240 | buf[len] = '\0'; |
084d1c6f | 241 | } |
0b8f30a5 | 242 | } |
084d1c6f | 243 | |
0b8f30a5 | 244 | /* frag flag is internal */ |
a64e88da | 245 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 246 | } |
a64e88da JA |
247 | |
248 | return cmdret; | |
132159a5 JA |
249 | } |
250 | ||
251 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
252 | { | |
253 | uint32_t pdu_len; | |
254 | ||
25dfa848 | 255 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
256 | |
257 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
258 | if (pdu_len) | |
25dfa848 | 259 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(cmd->payload, pdu_len)); |
132159a5 JA |
260 | } |
261 | ||
af9c9fb3 JA |
262 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
263 | uint64_t tag) | |
794d69ca | 264 | { |
7f868316 JA |
265 | struct fio_net_cmd *cmd = NULL; |
266 | size_t this_len, cur_len = 0; | |
794d69ca JA |
267 | int ret; |
268 | ||
269 | do { | |
270 | this_len = size; | |
b9d2f30a JA |
271 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
272 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; | |
794d69ca | 273 | |
7f868316 JA |
274 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
275 | if (cmd) | |
276 | free(cmd); | |
277 | ||
278 | cur_len = sizeof(*cmd) + this_len; | |
279 | cmd = malloc(cur_len); | |
280 | } | |
794d69ca | 281 | |
af9c9fb3 | 282 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
283 | |
284 | if (this_len < size) | |
ddcc0b69 | 285 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
286 | |
287 | fio_net_cmd_crc(cmd); | |
288 | ||
289 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
794d69ca JA |
290 | size -= this_len; |
291 | buf += this_len; | |
292 | } while (!ret && size); | |
293 | ||
7f868316 JA |
294 | if (cmd) |
295 | free(cmd); | |
296 | ||
794d69ca JA |
297 | return ret; |
298 | } | |
299 | ||
89c1707c | 300 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 301 | { |
178cde9f | 302 | struct fio_net_cmd cmd; |
132159a5 | 303 | |
af9c9fb3 | 304 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
305 | fio_net_cmd_crc(&cmd); |
306 | ||
307 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
308 | } | |
309 | ||
89c1707c JA |
310 | /* |
311 | * If 'list' is non-NULL, then allocate and store the sent command for | |
312 | * later verification. | |
313 | */ | |
314 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, | |
315 | struct flist_head *list) | |
316 | { | |
317 | struct fio_net_int_cmd *cmd; | |
318 | int ret; | |
319 | ||
320 | if (!list) | |
321 | return fio_net_send_simple_stack_cmd(sk, opcode, tag); | |
322 | ||
323 | cmd = malloc(sizeof(*cmd)); | |
324 | ||
df380934 | 325 | fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uintptr_t) cmd); |
89c1707c JA |
326 | fio_net_cmd_crc(&cmd->cmd); |
327 | ||
328 | INIT_FLIST_HEAD(&cmd->list); | |
329 | gettimeofday(&cmd->tv, NULL); | |
330 | cmd->saved_tag = tag; | |
331 | ||
332 | ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd)); | |
333 | if (ret) { | |
334 | free(cmd); | |
335 | return ret; | |
336 | } | |
337 | ||
338 | flist_add_tail(&cmd->list, list); | |
339 | return 0; | |
340 | } | |
341 | ||
9abea48b | 342 | static int fio_server_send_quit_cmd(void) |
437377e1 | 343 | { |
46c48f1f | 344 | dprint(FD_NET, "server: sending quit\n"); |
89c1707c | 345 | return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL); |
437377e1 JA |
346 | } |
347 | ||
b9d2f30a | 348 | static int handle_run_cmd(struct fio_net_cmd *cmd) |
132159a5 | 349 | { |
11e950bd | 350 | struct cmd_end_pdu epdu; |
a64e88da | 351 | int ret; |
132159a5 | 352 | |
2e1df07d | 353 | ret = fio_backend(); |
11e950bd JA |
354 | |
355 | epdu.error = ret; | |
356 | fio_net_send_cmd(server_fd, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0); | |
357 | ||
9abea48b | 358 | fio_server_send_quit_cmd(); |
81179eec | 359 | reset_fio_state(); |
8663ea65 | 360 | first_cmd_check = 0; |
81179eec JA |
361 | return ret; |
362 | } | |
363 | ||
b9d2f30a JA |
364 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
365 | { | |
46bcd498 JA |
366 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
367 | void *buf = pdu->buf; | |
b9d2f30a JA |
368 | struct cmd_start_pdu spdu; |
369 | ||
46bcd498 JA |
370 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
371 | pdu->client_type = le32_to_cpu(pdu->client_type); | |
372 | ||
373 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { | |
b9d2f30a JA |
374 | fio_server_send_quit_cmd(); |
375 | return -1; | |
376 | } | |
377 | ||
378 | spdu.jobs = cpu_to_le32(thread_number); | |
379 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); | |
380 | return 0; | |
381 | } | |
382 | ||
81179eec JA |
383 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
384 | { | |
fa2ea806 JA |
385 | void *pdu = cmd->payload; |
386 | struct cmd_single_line_pdu *cslp; | |
387 | struct cmd_line_pdu *clp; | |
388 | unsigned long offset; | |
b9d2f30a | 389 | struct cmd_start_pdu spdu; |
fa2ea806 | 390 | char **argv; |
b9d2f30a | 391 | int i; |
81179eec | 392 | |
fa2ea806 JA |
393 | clp = pdu; |
394 | clp->lines = le16_to_cpu(clp->lines); | |
46bcd498 | 395 | clp->client_type = le16_to_cpu(clp->client_type); |
fa2ea806 JA |
396 | argv = malloc(clp->lines * sizeof(char *)); |
397 | offset = sizeof(*clp); | |
81179eec | 398 | |
fa2ea806 | 399 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 400 | |
fa2ea806 JA |
401 | for (i = 0; i < clp->lines; i++) { |
402 | cslp = pdu + offset; | |
403 | argv[i] = (char *) cslp->text; | |
404 | ||
405 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
406 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
407 | } | |
81179eec | 408 | |
46bcd498 | 409 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
e6d1c668 | 410 | fio_server_send_quit_cmd(); |
fa2ea806 | 411 | free(argv); |
81179eec | 412 | return -1; |
e6d1c668 | 413 | } |
81179eec | 414 | |
fa2ea806 JA |
415 | free(argv); |
416 | ||
b9d2f30a JA |
417 | spdu.jobs = cpu_to_le32(thread_number); |
418 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); | |
419 | return 0; | |
132159a5 JA |
420 | } |
421 | ||
c28e8e8c JA |
422 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
423 | { | |
424 | struct cmd_probe_pdu probe; | |
425 | ||
89c1707c JA |
426 | dprint(FD_NET, "server: sending probe reply\n"); |
427 | ||
c28e8e8c JA |
428 | memset(&probe, 0, sizeof(probe)); |
429 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
6eb24791 JA |
430 | #ifdef FIO_BIG_ENDIAN |
431 | probe.bigendian = 1; | |
432 | #endif | |
81179eec JA |
433 | probe.fio_major = FIO_MAJOR; |
434 | probe.fio_minor = FIO_MINOR; | |
435 | probe.fio_patch = FIO_PATCH; | |
c28e8e8c | 436 | |
cca84643 JA |
437 | probe.os = FIO_OS; |
438 | probe.arch = FIO_ARCH; | |
439 | ||
38fdef22 JA |
440 | probe.bpp = sizeof(void *); |
441 | ||
89c1707c | 442 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag); |
af9c9fb3 JA |
443 | } |
444 | ||
445 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
446 | { | |
447 | struct jobs_eta *je; | |
448 | size_t size; | |
af9c9fb3 JA |
449 | int i; |
450 | ||
b814fb26 JA |
451 | if (!thread_number) |
452 | return 0; | |
453 | ||
454 | size = sizeof(*je) + thread_number * sizeof(char) + 1; | |
7f868316 JA |
455 | je = malloc(size); |
456 | memset(je, 0, size); | |
af9c9fb3 JA |
457 | |
458 | if (!calc_thread_status(je, 1)) { | |
459 | free(je); | |
460 | return 0; | |
461 | } | |
462 | ||
463 | dprint(FD_NET, "server sending status\n"); | |
464 | ||
465 | je->nr_running = cpu_to_le32(je->nr_running); | |
466 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
467 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
468 | je->files_open = cpu_to_le32(je->files_open); | |
af9c9fb3 JA |
469 | |
470 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
471 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
472 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); | |
473 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); | |
474 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); | |
af9c9fb3 JA |
475 | je->rate[i] = cpu_to_le32(je->rate[i]); |
476 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
477 | } | |
478 | ||
c1970b90 | 479 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
af9c9fb3 | 480 | je->eta_sec = cpu_to_le64(je->eta_sec); |
8c621fb2 | 481 | je->nr_threads = cpu_to_le32(je->nr_threads); |
af9c9fb3 | 482 | |
7f868316 | 483 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag); |
af9c9fb3 JA |
484 | free(je); |
485 | return 0; | |
c28e8e8c JA |
486 | } |
487 | ||
132159a5 JA |
488 | static int handle_command(struct fio_net_cmd *cmd) |
489 | { | |
490 | int ret; | |
491 | ||
89c1707c JA |
492 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", |
493 | fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); | |
46c48f1f | 494 | |
132159a5 JA |
495 | switch (cmd->opcode) { |
496 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 497 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 498 | return -1; |
d7959186 | 499 | case FIO_NET_CMD_EXIT: |
132159a5 | 500 | exit_backend = 1; |
c28e8e8c | 501 | return -1; |
132159a5 | 502 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 503 | ret = handle_job_cmd(cmd); |
132159a5 | 504 | break; |
81179eec JA |
505 | case FIO_NET_CMD_JOBLINE: |
506 | ret = handle_jobline_cmd(cmd); | |
507 | break; | |
c28e8e8c JA |
508 | case FIO_NET_CMD_PROBE: |
509 | ret = handle_probe_cmd(cmd); | |
510 | break; | |
af9c9fb3 JA |
511 | case FIO_NET_CMD_SEND_ETA: |
512 | ret = handle_send_eta_cmd(cmd); | |
513 | break; | |
b9d2f30a JA |
514 | case FIO_NET_CMD_RUN: |
515 | ret = handle_run_cmd(cmd); | |
516 | break; | |
132159a5 | 517 | default: |
89c1707c | 518 | log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode)); |
132159a5 JA |
519 | ret = 1; |
520 | } | |
521 | ||
522 | return ret; | |
523 | } | |
524 | ||
70e0c316 | 525 | static int handle_connection(int sk, int block) |
132159a5 JA |
526 | { |
527 | struct fio_net_cmd *cmd = NULL; | |
528 | int ret = 0; | |
529 | ||
530 | /* read forever */ | |
531 | while (!exit_backend) { | |
e951bdc4 JA |
532 | struct pollfd pfd = { |
533 | .fd = sk, | |
534 | .events = POLLIN, | |
535 | }; | |
536 | ||
537 | ret = 0; | |
538 | do { | |
539 | ret = poll(&pfd, 1, 100); | |
540 | if (ret < 0) { | |
541 | if (errno == EINTR) | |
542 | break; | |
543 | log_err("fio: poll: %s\n", strerror(errno)); | |
544 | break; | |
19c65179 JA |
545 | } else if (!ret) { |
546 | if (!block) | |
547 | return 0; | |
e951bdc4 | 548 | continue; |
19c65179 | 549 | } |
e951bdc4 JA |
550 | |
551 | if (pfd.revents & POLLIN) | |
552 | break; | |
553 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
554 | ret = 1; | |
555 | break; | |
556 | } | |
19c65179 | 557 | } while (!exit_backend); |
e951bdc4 JA |
558 | |
559 | if (ret < 0) | |
560 | break; | |
561 | ||
562 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 563 | if (!cmd) { |
c28e8e8c | 564 | ret = -1; |
132159a5 JA |
565 | break; |
566 | } | |
567 | ||
132159a5 JA |
568 | ret = handle_command(cmd); |
569 | if (ret) | |
570 | break; | |
571 | ||
572 | free(cmd); | |
c77a99e7 | 573 | cmd = NULL; |
132159a5 JA |
574 | } |
575 | ||
576 | if (cmd) | |
577 | free(cmd); | |
578 | ||
579 | return ret; | |
580 | } | |
581 | ||
cc0df00a JA |
582 | void fio_server_idle_loop(void) |
583 | { | |
3ec62ec4 | 584 | if (!first_cmd_check) { |
5d7793aa | 585 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); |
3ec62ec4 JA |
586 | first_cmd_check = 1; |
587 | } | |
cc0df00a | 588 | if (server_fd != -1) |
70e0c316 | 589 | handle_connection(server_fd, 0); |
cc0df00a JA |
590 | } |
591 | ||
50d16976 JA |
592 | static int accept_loop(int listen_sk) |
593 | { | |
bb447a27 | 594 | struct sockaddr_in addr; |
5ba13ea6 | 595 | fio_socklen_t len = sizeof(addr); |
009b1be4 | 596 | struct pollfd pfd; |
132159a5 | 597 | int ret, sk, flags, exitval = 0; |
50d16976 | 598 | |
60efd14e JA |
599 | dprint(FD_NET, "server enter accept loop\n"); |
600 | ||
009b1be4 JA |
601 | flags = fcntl(listen_sk, F_GETFL); |
602 | flags |= O_NONBLOCK; | |
603 | fcntl(listen_sk, F_SETFL, flags); | |
50d16976 | 604 | again: |
009b1be4 JA |
605 | pfd.fd = listen_sk; |
606 | pfd.events = POLLIN; | |
607 | do { | |
608 | ret = poll(&pfd, 1, 100); | |
609 | if (ret < 0) { | |
610 | if (errno == EINTR) | |
611 | break; | |
fcee5ff6 | 612 | log_err("fio: poll: %s\n", strerror(errno)); |
009b1be4 JA |
613 | goto out; |
614 | } else if (!ret) | |
615 | continue; | |
616 | ||
617 | if (pfd.revents & POLLIN) | |
618 | break; | |
619 | } while (!exit_backend); | |
620 | ||
621 | if (exit_backend) | |
622 | goto out; | |
623 | ||
6b976bfc | 624 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); |
50d16976 | 625 | if (sk < 0) { |
690e09ae | 626 | log_err("fio: accept: %s\n", strerror(errno)); |
50d16976 JA |
627 | return -1; |
628 | } | |
629 | ||
bb447a27 | 630 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
46c48f1f | 631 | |
37db14fe JA |
632 | server_fd = sk; |
633 | ||
70e0c316 | 634 | exitval = handle_connection(sk, 1); |
50d16976 | 635 | |
37db14fe | 636 | server_fd = -1; |
50d16976 | 637 | close(sk); |
5c341e9a | 638 | |
009b1be4 | 639 | if (!exit_backend) |
5c341e9a JA |
640 | goto again; |
641 | ||
009b1be4 | 642 | out: |
132159a5 | 643 | return exitval; |
50d16976 JA |
644 | } |
645 | ||
084d1c6f | 646 | int fio_server_text_output(int level, const char *buf, size_t len) |
37db14fe | 647 | { |
084d1c6f JA |
648 | struct cmd_text_pdu *pdu; |
649 | unsigned int tlen; | |
650 | struct timeval tv; | |
651 | ||
652 | if (server_fd == -1) | |
653 | return log_local_buf(buf, len); | |
654 | ||
655 | tlen = sizeof(*pdu) + len; | |
656 | pdu = malloc(tlen); | |
657 | ||
658 | pdu->level = __cpu_to_le32(level); | |
659 | pdu->buf_len = __cpu_to_le32(len); | |
660 | ||
661 | gettimeofday(&tv, NULL); | |
662 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); | |
663 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); | |
337d75a8 | 664 | |
084d1c6f JA |
665 | memcpy(pdu->buf, buf, len); |
666 | ||
667 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, 0); | |
668 | free(pdu); | |
669 | return len; | |
142575e6 JA |
670 | } |
671 | ||
a64e88da JA |
672 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
673 | { | |
674 | dst->max_val = cpu_to_le64(src->max_val); | |
675 | dst->min_val = cpu_to_le64(src->min_val); | |
676 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
677 | |
678 | /* | |
679 | * Encode to IEEE 754 for network transfer | |
680 | */ | |
681 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
682 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
683 | } |
684 | ||
685 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
686 | { | |
687 | int i; | |
688 | ||
689 | for (i = 0; i < 2; i++) { | |
690 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
691 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
692 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
693 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
694 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
695 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
696 | } | |
697 | ||
698 | dst->kb_base = cpu_to_le32(src->kb_base); | |
699 | dst->groupid = cpu_to_le32(src->groupid); | |
700 | } | |
701 | ||
702 | /* | |
703 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
704 | * into a single payload. | |
705 | */ | |
706 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
707 | { | |
708 | struct cmd_ts_pdu p; | |
709 | int i, j; | |
710 | ||
60efd14e JA |
711 | dprint(FD_NET, "server sending end stats\n"); |
712 | ||
317b3c8b JA |
713 | memset(&p, 0, sizeof(p)); |
714 | ||
a64e88da JA |
715 | strcpy(p.ts.name, ts->name); |
716 | strcpy(p.ts.verror, ts->verror); | |
717 | strcpy(p.ts.description, ts->description); | |
718 | ||
ddcc0b69 | 719 | p.ts.error = cpu_to_le32(ts->error); |
a64e88da | 720 | p.ts.groupid = cpu_to_le32(ts->groupid); |
ddcc0b69 | 721 | p.ts.pid = cpu_to_le32(ts->pid); |
a64e88da JA |
722 | p.ts.members = cpu_to_le32(ts->members); |
723 | ||
724 | for (i = 0; i < 2; i++) { | |
725 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
726 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
727 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
728 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
729 | } | |
730 | ||
731 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
732 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
733 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
734 | p.ts.minf = cpu_to_le64(ts->minf); | |
735 | p.ts.majf = cpu_to_le64(ts->majf); | |
736 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
737 | |
738 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
cfc03e46 JA |
739 | fio_fp64_t *src = &ts->percentile_list[i]; |
740 | fio_fp64_t *dst = &p.ts.percentile_list[i]; | |
802ad4a8 | 741 | |
cfc03e46 | 742 | dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f)); |
802ad4a8 | 743 | } |
a64e88da JA |
744 | |
745 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
746 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
747 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
748 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
749 | } | |
750 | ||
751 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
752 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
753 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
754 | } | |
755 | ||
756 | for (i = 0; i < 2; i++) | |
757 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
758 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
759 | ||
760 | for (i = 0; i < 3; i++) { | |
761 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 762 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
763 | } |
764 | ||
93eee04a | 765 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
766 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
767 | ||
768 | for (i = 0; i < 2; i++) { | |
769 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
770 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
771 | } | |
772 | ||
773 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
774 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
775 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
776 | p.ts.first_error = cpu_to_le32(ts->first_error); |
777 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
778 | |
779 | convert_gs(&p.rs, rs); | |
780 | ||
af9c9fb3 | 781 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0); |
a64e88da JA |
782 | } |
783 | ||
784 | void fio_server_send_gs(struct group_run_stats *rs) | |
785 | { | |
786 | struct group_run_stats gs; | |
787 | ||
60efd14e JA |
788 | dprint(FD_NET, "server sending group run stats\n"); |
789 | ||
a64e88da | 790 | convert_gs(&gs, rs); |
af9c9fb3 | 791 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0); |
cf451d1e JA |
792 | } |
793 | ||
d09a64a0 JA |
794 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
795 | { | |
796 | int i; | |
797 | ||
798 | for (i = 0; i < 2; i++) { | |
799 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
800 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
801 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
802 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
803 | } | |
804 | ||
805 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
806 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
807 | dst->slavecount = cpu_to_le32(src->slavecount); | |
808 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); | |
809 | } | |
810 | ||
811 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) | |
812 | { | |
813 | int i; | |
814 | ||
815 | strcpy((char *) dst->name, (char *) src->name); | |
816 | ||
817 | for (i = 0; i < 2; i++) { | |
818 | dst->ios[i] = cpu_to_le32(src->ios[i]); | |
819 | dst->merges[i] = cpu_to_le32(src->merges[i]); | |
820 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); | |
821 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); | |
822 | } | |
823 | ||
824 | dst->io_ticks = cpu_to_le32(src->io_ticks); | |
825 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); | |
826 | dst->msec = cpu_to_le64(src->msec); | |
827 | } | |
828 | ||
829 | void fio_server_send_du(void) | |
830 | { | |
831 | struct disk_util *du; | |
832 | struct flist_head *entry; | |
833 | struct cmd_du_pdu pdu; | |
834 | ||
835 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); | |
836 | ||
0766d92e JA |
837 | memset(&pdu, 0, sizeof(pdu)); |
838 | ||
d09a64a0 JA |
839 | flist_for_each(entry, &disk_list) { |
840 | du = flist_entry(entry, struct disk_util, list); | |
841 | ||
842 | convert_dus(&pdu.dus, &du->dus); | |
843 | convert_agg(&pdu.agg, &du->agg); | |
844 | ||
845 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), 0); | |
846 | } | |
847 | } | |
848 | ||
807f9971 JA |
849 | void fio_server_send_add_job(struct thread_options *o, const char *ioengine) |
850 | { | |
851 | struct cmd_add_job_pdu pdu; | |
807f9971 | 852 | |
dcaeb606 | 853 | convert_thread_options_to_net(&pdu.top, o); |
807f9971 JA |
854 | |
855 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0); | |
856 | } | |
857 | ||
87aa8f19 | 858 | static int fio_init_server_ip(void) |
81179eec | 859 | { |
811826be JA |
860 | struct sockaddr *addr; |
861 | fio_socklen_t socklen; | |
87aa8f19 | 862 | int sk, opt; |
81179eec | 863 | |
811826be JA |
864 | if (use_ipv6) |
865 | sk = socket(AF_INET6, SOCK_STREAM, 0); | |
866 | else | |
867 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
868 | ||
81179eec JA |
869 | if (sk < 0) { |
870 | log_err("fio: socket: %s\n", strerror(errno)); | |
871 | return -1; | |
872 | } | |
873 | ||
874 | opt = 1; | |
875 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
876 | log_err("fio: setsockopt: %s\n", strerror(errno)); | |
b94cba47 | 877 | close(sk); |
81179eec JA |
878 | return -1; |
879 | } | |
880 | #ifdef SO_REUSEPORT | |
6eb24791 | 881 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 882 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 883 | close(sk); |
81179eec JA |
884 | return -1; |
885 | } | |
886 | #endif | |
887 | ||
811826be JA |
888 | if (use_ipv6) { |
889 | addr = (struct sockaddr *) &saddr_in6; | |
890 | socklen = sizeof(saddr_in6); | |
891 | saddr_in6.sin6_family = AF_INET6; | |
892 | } else { | |
893 | addr = (struct sockaddr *) &saddr_in; | |
894 | socklen = sizeof(saddr_in); | |
895 | saddr_in.sin_family = AF_INET; | |
896 | } | |
81179eec | 897 | |
811826be | 898 | if (bind(sk, addr, socklen) < 0) { |
81179eec | 899 | log_err("fio: bind: %s\n", strerror(errno)); |
b94cba47 | 900 | close(sk); |
81179eec JA |
901 | return -1; |
902 | } | |
903 | ||
87aa8f19 JA |
904 | return sk; |
905 | } | |
906 | ||
907 | static int fio_init_server_sock(void) | |
908 | { | |
909 | struct sockaddr_un addr; | |
910 | fio_socklen_t len; | |
911 | mode_t mode; | |
912 | int sk; | |
913 | ||
914 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
915 | if (sk < 0) { | |
916 | log_err("fio: socket: %s\n", strerror(errno)); | |
917 | return -1; | |
918 | } | |
919 | ||
920 | mode = umask(000); | |
921 | ||
922 | memset(&addr, 0, sizeof(addr)); | |
923 | addr.sun_family = AF_UNIX; | |
924 | strcpy(addr.sun_path, bind_sock); | |
925 | unlink(bind_sock); | |
926 | ||
927 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
928 | ||
929 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
930 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 931 | close(sk); |
87aa8f19 JA |
932 | return -1; |
933 | } | |
934 | ||
935 | umask(mode); | |
936 | return sk; | |
937 | } | |
938 | ||
939 | static int fio_init_server_connection(void) | |
940 | { | |
bebe6398 | 941 | char bind_str[128]; |
87aa8f19 JA |
942 | int sk; |
943 | ||
944 | dprint(FD_NET, "starting server\n"); | |
945 | ||
946 | if (!bind_sock) | |
947 | sk = fio_init_server_ip(); | |
948 | else | |
949 | sk = fio_init_server_sock(); | |
950 | ||
951 | if (sk < 0) | |
952 | return sk; | |
953 | ||
811826be JA |
954 | if (!bind_sock) { |
955 | char *p, port[16]; | |
956 | const void *src; | |
957 | int af; | |
958 | ||
959 | if (use_ipv6) { | |
960 | af = AF_INET6; | |
961 | src = &saddr_in6.sin6_addr; | |
962 | } else { | |
963 | af = AF_INET; | |
964 | src = &saddr_in.sin_addr; | |
965 | } | |
966 | ||
967 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); | |
968 | ||
969 | sprintf(port, ",%u", fio_net_port); | |
970 | if (p) | |
971 | strcat(p, port); | |
972 | else | |
973 | strcpy(bind_str, port); | |
974 | } else | |
bebe6398 JA |
975 | strcpy(bind_str, bind_sock); |
976 | ||
977 | log_info("fio: server listening on %s\n", bind_str); | |
978 | ||
89c1707c | 979 | if (listen(sk, 0) < 0) { |
81179eec JA |
980 | log_err("fio: listen: %s\n", strerror(errno)); |
981 | return -1; | |
982 | } | |
983 | ||
87aa8f19 JA |
984 | return sk; |
985 | } | |
986 | ||
3ec62ec4 JA |
987 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
988 | struct in6_addr *inp6) | |
989 | ||
990 | { | |
991 | int ret = 0; | |
992 | ||
993 | if (*ipv6) | |
994 | ret = inet_pton(AF_INET6, host, inp6); | |
995 | else | |
996 | ret = inet_pton(AF_INET, host, inp); | |
997 | ||
998 | if (ret != 1) { | |
999 | struct hostent *hent; | |
1000 | ||
1001 | hent = gethostbyname(host); | |
1002 | if (!hent) { | |
1003 | log_err("fio: failed to resolve <%s>\n", host); | |
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | if (*ipv6) { | |
1008 | if (hent->h_addrtype != AF_INET6) { | |
1009 | log_info("fio: falling back to IPv4\n"); | |
1010 | *ipv6 = 0; | |
1011 | } else | |
1012 | memcpy(inp6, hent->h_addr_list[0], 16); | |
1013 | } | |
1014 | if (!*ipv6) { | |
1015 | if (hent->h_addrtype != AF_INET) { | |
1016 | log_err("fio: lookup type mismatch\n"); | |
1017 | return 0; | |
1018 | } | |
1019 | memcpy(inp, hent->h_addr_list[0], 4); | |
1020 | } | |
1021 | ret = 1; | |
1022 | } | |
1023 | ||
1024 | return !(ret == 1); | |
1025 | } | |
1026 | ||
660a2bfb JA |
1027 | /* |
1028 | * Parse a host/ip/port string. Reads from 'str'. | |
1029 | * | |
1030 | * Outputs: | |
1031 | * | |
1032 | * For IPv4: | |
1033 | * *ptr is the host, *port is the port, inp is the destination. | |
1034 | * For IPv6: | |
1035 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. | |
1036 | * For local domain sockets: | |
1037 | * *ptr is the filename, *is_sock is 1. | |
1038 | */ | |
bebe6398 | 1039 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
811826be JA |
1040 | int *port, struct in_addr *inp, |
1041 | struct in6_addr *inp6, int *ipv6) | |
bebe6398 | 1042 | { |
76867621 JA |
1043 | const char *host = str; |
1044 | char *portp; | |
3ec62ec4 | 1045 | int lport = 0; |
76867621 | 1046 | |
bebe6398 JA |
1047 | *ptr = NULL; |
1048 | *is_sock = 0; | |
6d2cf394 | 1049 | *port = fio_net_port; |
811826be | 1050 | *ipv6 = 0; |
bebe6398 JA |
1051 | |
1052 | if (!strncmp(str, "sock:", 5)) { | |
1053 | *ptr = strdup(str + 5); | |
1054 | *is_sock = 1; | |
76867621 JA |
1055 | |
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | /* | |
1060 | * Is it ip:<ip or host>:port | |
1061 | */ | |
1062 | if (!strncmp(host, "ip:", 3)) | |
1063 | host += 3; | |
1064 | else if (!strncmp(host, "ip4:", 4)) | |
1065 | host += 4; | |
1066 | else if (!strncmp(host, "ip6:", 4)) { | |
1067 | host += 4; | |
1068 | *ipv6 = 1; | |
1069 | } else if (host[0] == ':') { | |
1070 | /* String is :port */ | |
1071 | host++; | |
1072 | lport = atoi(host); | |
1073 | if (!lport || lport > 65535) { | |
1074 | log_err("fio: bad server port %u\n", port); | |
1075 | return 1; | |
1076 | } | |
1077 | /* no hostname given, we are done */ | |
1078 | *port = lport; | |
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | /* | |
1083 | * If no port seen yet, check if there's a last ':' at the end | |
1084 | */ | |
1085 | if (!lport) { | |
1086 | portp = strchr(host, ','); | |
1087 | if (portp) { | |
1088 | *portp = '\0'; | |
1089 | portp++; | |
1090 | lport = atoi(portp); | |
bebe6398 JA |
1091 | if (!lport || lport > 65535) { |
1092 | log_err("fio: bad server port %u\n", port); | |
1093 | return 1; | |
1094 | } | |
bebe6398 | 1095 | } |
76867621 | 1096 | } |
bebe6398 | 1097 | |
76867621 JA |
1098 | if (lport) |
1099 | *port = lport; | |
bebe6398 | 1100 | |
76867621 JA |
1101 | if (!strlen(host)) |
1102 | return 0; | |
bebe6398 | 1103 | |
76867621 | 1104 | *ptr = strdup(host); |
811826be | 1105 | |
3ec62ec4 JA |
1106 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
1107 | free(*ptr); | |
1108 | *ptr = NULL; | |
1109 | return 1; | |
bebe6398 JA |
1110 | } |
1111 | ||
1112 | if (*port == 0) | |
1113 | *port = fio_net_port; | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
87aa8f19 JA |
1118 | /* |
1119 | * Server arg should be one of: | |
1120 | * | |
1121 | * sock:/path/to/socket | |
1122 | * ip:1.2.3.4 | |
1123 | * 1.2.3.4 | |
1124 | * | |
1125 | * Where sock uses unix domain sockets, and ip binds the server to | |
1126 | * a specific interface. If no arguments are given to the server, it | |
1127 | * uses IP and binds to 0.0.0.0. | |
1128 | * | |
1129 | */ | |
1130 | static int fio_handle_server_arg(void) | |
1131 | { | |
6d2cf394 | 1132 | int port = fio_net_port; |
a7de0a11 | 1133 | int is_sock, ret = 0; |
bebe6398 | 1134 | |
87aa8f19 JA |
1135 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
1136 | ||
1137 | if (!fio_server_arg) | |
a7de0a11 | 1138 | goto out; |
87aa8f19 | 1139 | |
4e5b8fb8 | 1140 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
811826be JA |
1141 | &port, &saddr_in.sin_addr, |
1142 | &saddr_in6.sin6_addr, &use_ipv6); | |
4e5b8fb8 JA |
1143 | |
1144 | if (!is_sock && bind_sock) { | |
1145 | free(bind_sock); | |
1146 | bind_sock = NULL; | |
1147 | } | |
1148 | ||
a7de0a11 | 1149 | out: |
6d2cf394 JA |
1150 | fio_net_port = port; |
1151 | saddr_in.sin_port = htons(port); | |
811826be | 1152 | saddr_in6.sin6_port = htons(port); |
4e5b8fb8 | 1153 | return ret; |
87aa8f19 JA |
1154 | } |
1155 | ||
1156 | static int fio_server(void) | |
1157 | { | |
1158 | int sk, ret; | |
1159 | ||
1160 | dprint(FD_NET, "starting server\n"); | |
1161 | ||
1162 | if (fio_handle_server_arg()) | |
1163 | return -1; | |
1164 | ||
1165 | sk = fio_init_server_connection(); | |
1166 | if (sk < 0) | |
1167 | return -1; | |
81179eec JA |
1168 | |
1169 | ret = accept_loop(sk); | |
87aa8f19 | 1170 | |
81179eec | 1171 | close(sk); |
87aa8f19 JA |
1172 | |
1173 | if (fio_server_arg) { | |
1174 | free(fio_server_arg); | |
1175 | fio_server_arg = NULL; | |
1176 | } | |
bebe6398 JA |
1177 | if (bind_sock) |
1178 | free(bind_sock); | |
87aa8f19 | 1179 | |
81179eec JA |
1180 | return ret; |
1181 | } | |
1182 | ||
7b821684 | 1183 | void fio_server_got_signal(int signal) |
9abea48b | 1184 | { |
7b821684 JA |
1185 | if (signal == SIGPIPE) |
1186 | server_fd = -1; | |
1187 | else { | |
1188 | log_info("\nfio: terminating on signal %d\n", signal); | |
1189 | exit_backend = 1; | |
1190 | } | |
9abea48b JA |
1191 | } |
1192 | ||
13755d94 JA |
1193 | static int check_existing_pidfile(const char *pidfile) |
1194 | { | |
1195 | struct stat sb; | |
1196 | char buf[16]; | |
1197 | pid_t pid; | |
1198 | FILE *f; | |
1199 | ||
1200 | if (stat(pidfile, &sb)) | |
1201 | return 0; | |
1202 | ||
1203 | f = fopen(pidfile, "r"); | |
1204 | if (!f) | |
1205 | return 0; | |
1206 | ||
bfc3b179 | 1207 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
13755d94 JA |
1208 | fclose(f); |
1209 | return 1; | |
1210 | } | |
1211 | fclose(f); | |
1212 | ||
1213 | pid = atoi(buf); | |
1214 | if (kill(pid, SIGCONT) < 0) | |
ea5aa1be | 1215 | return errno != ESRCH; |
13755d94 JA |
1216 | |
1217 | return 1; | |
1218 | } | |
1219 | ||
1220 | static int write_pid(pid_t pid, const char *pidfile) | |
402668f3 JA |
1221 | { |
1222 | FILE *fpid; | |
1223 | ||
1224 | fpid = fopen(pidfile, "w"); | |
1225 | if (!fpid) { | |
1226 | log_err("fio: failed opening pid file %s\n", pidfile); | |
13755d94 | 1227 | return 1; |
402668f3 JA |
1228 | } |
1229 | ||
1230 | fprintf(fpid, "%u\n", (unsigned int) pid); | |
13755d94 JA |
1231 | fclose(fpid); |
1232 | return 0; | |
402668f3 JA |
1233 | } |
1234 | ||
1235 | /* | |
1236 | * If pidfile is specified, background us. | |
1237 | */ | |
1238 | int fio_start_server(char *pidfile) | |
e46d8091 JA |
1239 | { |
1240 | pid_t pid; | |
402668f3 | 1241 | int ret; |
e46d8091 | 1242 | |
93bcfd20 | 1243 | #if defined(WIN32) |
905c78b9 JA |
1244 | WSADATA wsd; |
1245 | WSAStartup(MAKEWORD(2,2), &wsd); | |
93bcfd20 BC |
1246 | #endif |
1247 | ||
402668f3 | 1248 | if (!pidfile) |
e46d8091 JA |
1249 | return fio_server(); |
1250 | ||
13755d94 JA |
1251 | if (check_existing_pidfile(pidfile)) { |
1252 | log_err("fio: pidfile %s exists and server appears alive\n", | |
1253 | pidfile); | |
1254 | return -1; | |
1255 | } | |
1256 | ||
e46d8091 JA |
1257 | pid = fork(); |
1258 | if (pid < 0) { | |
13755d94 | 1259 | log_err("fio: failed server fork: %s", strerror(errno)); |
402668f3 | 1260 | free(pidfile); |
c28e8e8c | 1261 | return -1; |
402668f3 | 1262 | } else if (pid) { |
13755d94 JA |
1263 | int ret = write_pid(pid, pidfile); |
1264 | ||
1265 | exit(ret); | |
402668f3 | 1266 | } |
e46d8091 JA |
1267 | |
1268 | setsid(); | |
13755d94 JA |
1269 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
1270 | log_syslog = 1; | |
e46d8091 JA |
1271 | close(STDIN_FILENO); |
1272 | close(STDOUT_FILENO); | |
1273 | close(STDERR_FILENO); | |
1274 | f_out = NULL; | |
1275 | f_err = NULL; | |
402668f3 JA |
1276 | |
1277 | ret = fio_server(); | |
1278 | ||
1279 | closelog(); | |
1280 | unlink(pidfile); | |
1281 | free(pidfile); | |
1282 | return ret; | |
e46d8091 | 1283 | } |
87aa8f19 | 1284 | |
bebe6398 | 1285 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
1286 | { |
1287 | fio_server_arg = strdup(arg); | |
1288 | } |