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" |
802ad4a8 | 23 | #include "ieee754.h" |
89cf1480 JA |
24 | |
25 | #include "fio_version.h" | |
50d16976 | 26 | |
132159a5 | 27 | int fio_net_port = 8765; |
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; | |
37db14fe | 35 | |
132159a5 JA |
36 | int fio_send_data(int sk, const void *p, unsigned int len) |
37 | { | |
794d69ca JA |
38 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU); |
39 | ||
132159a5 JA |
40 | do { |
41 | int ret = send(sk, p, len, 0); | |
42 | ||
43 | if (ret > 0) { | |
44 | len -= ret; | |
45 | if (!len) | |
46 | break; | |
47 | p += ret; | |
48 | continue; | |
49 | } else if (!ret) | |
50 | break; | |
51 | else if (errno == EAGAIN || errno == EINTR) | |
52 | continue; | |
53 | } while (!exit_backend); | |
54 | ||
55 | if (!len) | |
56 | return 0; | |
57 | ||
58 | return 1; | |
59 | } | |
60 | ||
61 | int fio_recv_data(int sk, void *p, unsigned int len) | |
62 | { | |
63 | do { | |
64 | int ret = recv(sk, p, len, MSG_WAITALL); | |
65 | ||
66 | if (ret > 0) { | |
67 | len -= ret; | |
68 | if (!len) | |
69 | break; | |
70 | p += ret; | |
71 | continue; | |
72 | } else if (!ret) | |
73 | break; | |
74 | else if (errno == EAGAIN || errno == EINTR) | |
75 | continue; | |
76 | } while (!exit_backend); | |
77 | ||
78 | if (!len) | |
79 | return 0; | |
80 | ||
81 | return -1; | |
82 | } | |
83 | ||
84 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
85 | { | |
fcee5ff6 | 86 | uint16_t crc; |
132159a5 | 87 | |
fcee5ff6 JA |
88 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
89 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 90 | |
fcee5ff6 JA |
91 | crc = crc16(cmd, FIO_NET_CMD_CRC_SZ); |
92 | if (crc != cmd->cmd_crc16) { | |
132159a5 | 93 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 94 | cmd->cmd_crc16, crc); |
132159a5 JA |
95 | return 1; |
96 | } | |
97 | ||
98 | cmd->version = le16_to_cpu(cmd->version); | |
99 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
100 | cmd->flags = le32_to_cpu(cmd->flags); | |
af9c9fb3 | 101 | cmd->tag = le64_to_cpu(cmd->tag); |
132159a5 JA |
102 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
103 | ||
104 | switch (cmd->version) { | |
fa2ea806 | 105 | case FIO_SERVER_VER: |
132159a5 JA |
106 | break; |
107 | default: | |
108 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
109 | return 1; | |
110 | } | |
111 | ||
112 | if (cmd->pdu_len > FIO_SERVER_MAX_PDU) { | |
113 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
a64e88da JA |
120 | /* |
121 | * Read (and defragment, if necessary) incoming commands | |
122 | */ | |
e951bdc4 | 123 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
132159a5 | 124 | { |
a64e88da JA |
125 | struct fio_net_cmd cmd, *cmdret = NULL; |
126 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 127 | uint16_t crc; |
a64e88da JA |
128 | int ret, first = 1; |
129 | void *pdu = NULL; | |
132159a5 | 130 | |
a64e88da JA |
131 | do { |
132 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); | |
133 | if (ret) | |
134 | break; | |
132159a5 | 135 | |
a64e88da JA |
136 | /* We have a command, verify it and swap if need be */ |
137 | ret = verify_convert_cmd(&cmd); | |
138 | if (ret) | |
139 | break; | |
132159a5 | 140 | |
0b8f30a5 JA |
141 | if (first) { |
142 | /* if this is text, add room for \0 at the end */ | |
143 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; | |
144 | assert(!cmdret); | |
145 | } else | |
a64e88da | 146 | cmd_size += cmd.pdu_len; |
132159a5 | 147 | |
a64e88da | 148 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 149 | |
a64e88da JA |
150 | if (first) |
151 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
152 | else | |
153 | assert(cmdret->opcode == cmd.opcode); | |
154 | ||
155 | if (!cmd.pdu_len) | |
156 | break; | |
157 | ||
158 | /* There's payload, get it */ | |
159 | pdu = (void *) cmdret->payload + pdu_offset; | |
160 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
161 | if (ret) | |
162 | break; | |
163 | ||
164 | /* Verify payload crc */ | |
165 | crc = crc16(pdu, cmd.pdu_len); | |
166 | if (crc != cmd.pdu_crc16) { | |
167 | log_err("fio: server bad crc on payload "); | |
168 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
169 | ret = 1; | |
170 | break; | |
171 | } | |
172 | ||
173 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
174 | if (!first) |
175 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
176 | first = 0; |
177 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 178 | |
a64e88da JA |
179 | if (ret) { |
180 | free(cmdret); | |
181 | cmdret = NULL; | |
0b8f30a5 JA |
182 | } else if (cmdret) { |
183 | /* zero-terminate text input */ | |
184 | if (cmdret->pdu_len && (cmdret->opcode == FIO_NET_CMD_TEXT || | |
185 | cmdret->opcode == FIO_NET_CMD_JOB)) { | |
186 | char *buf = (char *) cmdret->payload; | |
187 | ||
188 | buf[cmdret->pdu_len ] = '\0'; | |
189 | } | |
190 | /* frag flag is internal */ | |
a64e88da | 191 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
0b8f30a5 | 192 | } |
a64e88da JA |
193 | |
194 | return cmdret; | |
132159a5 JA |
195 | } |
196 | ||
197 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
198 | { | |
199 | uint32_t pdu_len; | |
200 | ||
ddcc0b69 | 201 | cmd->cmd_crc16 = __cpu_to_le16(crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
202 | |
203 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
204 | if (pdu_len) | |
ddcc0b69 | 205 | cmd->pdu_crc16 = __cpu_to_le16(crc16(cmd->payload, pdu_len)); |
132159a5 JA |
206 | } |
207 | ||
af9c9fb3 JA |
208 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
209 | uint64_t tag) | |
794d69ca JA |
210 | { |
211 | struct fio_net_cmd *cmd; | |
212 | size_t this_len; | |
213 | int ret; | |
214 | ||
215 | do { | |
216 | this_len = size; | |
217 | if (this_len > FIO_SERVER_MAX_PDU) | |
218 | this_len = FIO_SERVER_MAX_PDU; | |
219 | ||
220 | cmd = malloc(sizeof(*cmd) + this_len); | |
221 | ||
af9c9fb3 | 222 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
794d69ca JA |
223 | |
224 | if (this_len < size) | |
ddcc0b69 | 225 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
226 | |
227 | fio_net_cmd_crc(cmd); | |
228 | ||
229 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
230 | free(cmd); | |
231 | size -= this_len; | |
232 | buf += this_len; | |
233 | } while (!ret && size); | |
234 | ||
235 | return ret; | |
236 | } | |
237 | ||
af9c9fb3 | 238 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag) |
132159a5 | 239 | { |
178cde9f | 240 | struct fio_net_cmd cmd; |
132159a5 | 241 | |
af9c9fb3 | 242 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
132159a5 JA |
243 | fio_net_cmd_crc(&cmd); |
244 | ||
245 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
246 | } | |
247 | ||
9abea48b | 248 | static int fio_server_send_quit_cmd(void) |
437377e1 | 249 | { |
46c48f1f | 250 | dprint(FD_NET, "server: sending quit\n"); |
cc0df00a | 251 | return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0); |
437377e1 JA |
252 | } |
253 | ||
0b8f30a5 | 254 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
132159a5 | 255 | { |
0b8f30a5 | 256 | char *buf = (char *) cmd->payload; |
a64e88da | 257 | int ret; |
132159a5 | 258 | |
e6d1c668 JA |
259 | if (parse_jobs_ini(buf, 1, 0)) { |
260 | fio_server_send_quit_cmd(); | |
81179eec | 261 | return -1; |
e6d1c668 | 262 | } |
81179eec JA |
263 | |
264 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0); | |
265 | ||
266 | ret = exec_run(); | |
9abea48b | 267 | fio_server_send_quit_cmd(); |
81179eec JA |
268 | reset_fio_state(); |
269 | return ret; | |
270 | } | |
271 | ||
272 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) | |
273 | { | |
fa2ea806 JA |
274 | void *pdu = cmd->payload; |
275 | struct cmd_single_line_pdu *cslp; | |
276 | struct cmd_line_pdu *clp; | |
277 | unsigned long offset; | |
278 | char **argv; | |
81179eec JA |
279 | int ret, i; |
280 | ||
fa2ea806 JA |
281 | clp = pdu; |
282 | clp->lines = le16_to_cpu(clp->lines); | |
283 | argv = malloc(clp->lines * sizeof(char *)); | |
284 | offset = sizeof(*clp); | |
81179eec | 285 | |
fa2ea806 | 286 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
39e8e016 | 287 | |
fa2ea806 JA |
288 | for (i = 0; i < clp->lines; i++) { |
289 | cslp = pdu + offset; | |
290 | argv[i] = (char *) cslp->text; | |
291 | ||
292 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); | |
39e8e016 JA |
293 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
294 | } | |
81179eec | 295 | |
fa2ea806 | 296 | if (parse_cmd_line(clp->lines, argv)) { |
e6d1c668 | 297 | fio_server_send_quit_cmd(); |
fa2ea806 | 298 | free(argv); |
81179eec | 299 | return -1; |
e6d1c668 | 300 | } |
81179eec | 301 | |
fa2ea806 JA |
302 | free(argv); |
303 | ||
81179eec JA |
304 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0); |
305 | ||
794d69ca | 306 | ret = exec_run(); |
9abea48b | 307 | fio_server_send_quit_cmd(); |
794d69ca | 308 | reset_fio_state(); |
132159a5 JA |
309 | return ret; |
310 | } | |
311 | ||
c28e8e8c JA |
312 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
313 | { | |
314 | struct cmd_probe_pdu probe; | |
315 | ||
316 | memset(&probe, 0, sizeof(probe)); | |
317 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); | |
6eb24791 JA |
318 | #ifdef FIO_BIG_ENDIAN |
319 | probe.bigendian = 1; | |
320 | #endif | |
81179eec JA |
321 | probe.fio_major = FIO_MAJOR; |
322 | probe.fio_minor = FIO_MINOR; | |
323 | probe.fio_patch = FIO_PATCH; | |
c28e8e8c | 324 | |
cca84643 JA |
325 | probe.os = FIO_OS; |
326 | probe.arch = FIO_ARCH; | |
327 | ||
af9c9fb3 JA |
328 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), 0); |
329 | } | |
330 | ||
331 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) | |
332 | { | |
333 | struct jobs_eta *je; | |
334 | size_t size; | |
335 | void *buf; | |
336 | int i; | |
337 | ||
338 | size = sizeof(*je) + thread_number * sizeof(char); | |
339 | buf = malloc(size); | |
340 | memset(buf, 0, size); | |
341 | je = buf; | |
342 | ||
343 | if (!calc_thread_status(je, 1)) { | |
344 | free(je); | |
345 | return 0; | |
346 | } | |
347 | ||
348 | dprint(FD_NET, "server sending status\n"); | |
349 | ||
350 | je->nr_running = cpu_to_le32(je->nr_running); | |
351 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
352 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
353 | je->files_open = cpu_to_le32(je->files_open); | |
354 | je->m_rate = cpu_to_le32(je->m_rate); | |
355 | je->t_rate = cpu_to_le32(je->t_rate); | |
356 | je->m_iops = cpu_to_le32(je->m_iops); | |
357 | je->t_iops = cpu_to_le32(je->t_iops); | |
358 | ||
359 | for (i = 0; i < 2; i++) { | |
360 | je->rate[i] = cpu_to_le32(je->rate[i]); | |
361 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
362 | } | |
363 | ||
364 | je->elapsed_sec = cpu_to_le32(je->nr_running); | |
365 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
366 | ||
367 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, buf, size, cmd->tag); | |
368 | free(je); | |
369 | return 0; | |
c28e8e8c JA |
370 | } |
371 | ||
132159a5 JA |
372 | static int handle_command(struct fio_net_cmd *cmd) |
373 | { | |
374 | int ret; | |
375 | ||
46c48f1f JA |
376 | dprint(FD_NET, "server: got opcode %d\n", cmd->opcode); |
377 | ||
132159a5 JA |
378 | switch (cmd->opcode) { |
379 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 380 | fio_terminate_threads(TERMINATE_ALL); |
c28e8e8c | 381 | return -1; |
d7959186 | 382 | case FIO_NET_CMD_EXIT: |
132159a5 | 383 | exit_backend = 1; |
c28e8e8c | 384 | return -1; |
132159a5 | 385 | case FIO_NET_CMD_JOB: |
0b8f30a5 | 386 | ret = handle_job_cmd(cmd); |
132159a5 | 387 | break; |
81179eec JA |
388 | case FIO_NET_CMD_JOBLINE: |
389 | ret = handle_jobline_cmd(cmd); | |
390 | break; | |
c28e8e8c JA |
391 | case FIO_NET_CMD_PROBE: |
392 | ret = handle_probe_cmd(cmd); | |
393 | break; | |
af9c9fb3 JA |
394 | case FIO_NET_CMD_SEND_ETA: |
395 | ret = handle_send_eta_cmd(cmd); | |
396 | break; | |
132159a5 JA |
397 | default: |
398 | log_err("fio: unknown opcode: %d\n", cmd->opcode); | |
399 | ret = 1; | |
400 | } | |
401 | ||
402 | return ret; | |
403 | } | |
404 | ||
70e0c316 | 405 | static int handle_connection(int sk, int block) |
132159a5 JA |
406 | { |
407 | struct fio_net_cmd *cmd = NULL; | |
408 | int ret = 0; | |
409 | ||
410 | /* read forever */ | |
411 | while (!exit_backend) { | |
e951bdc4 JA |
412 | struct pollfd pfd = { |
413 | .fd = sk, | |
414 | .events = POLLIN, | |
415 | }; | |
416 | ||
417 | ret = 0; | |
418 | do { | |
419 | ret = poll(&pfd, 1, 100); | |
420 | if (ret < 0) { | |
421 | if (errno == EINTR) | |
422 | break; | |
423 | log_err("fio: poll: %s\n", strerror(errno)); | |
424 | break; | |
19c65179 JA |
425 | } else if (!ret) { |
426 | if (!block) | |
427 | return 0; | |
e951bdc4 | 428 | continue; |
19c65179 | 429 | } |
e951bdc4 JA |
430 | |
431 | if (pfd.revents & POLLIN) | |
432 | break; | |
433 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
434 | ret = 1; | |
435 | break; | |
436 | } | |
19c65179 | 437 | } while (!exit_backend); |
e951bdc4 JA |
438 | |
439 | if (ret < 0) | |
440 | break; | |
441 | ||
442 | cmd = fio_net_recv_cmd(sk); | |
132159a5 | 443 | if (!cmd) { |
c28e8e8c | 444 | ret = -1; |
132159a5 JA |
445 | break; |
446 | } | |
447 | ||
132159a5 JA |
448 | ret = handle_command(cmd); |
449 | if (ret) | |
450 | break; | |
451 | ||
452 | free(cmd); | |
c77a99e7 | 453 | cmd = NULL; |
132159a5 JA |
454 | } |
455 | ||
456 | if (cmd) | |
457 | free(cmd); | |
458 | ||
459 | return ret; | |
460 | } | |
461 | ||
cc0df00a JA |
462 | void fio_server_idle_loop(void) |
463 | { | |
464 | if (server_fd != -1) | |
70e0c316 | 465 | handle_connection(server_fd, 0); |
cc0df00a JA |
466 | } |
467 | ||
50d16976 JA |
468 | static int accept_loop(int listen_sk) |
469 | { | |
bb447a27 | 470 | struct sockaddr_in addr; |
5ba13ea6 | 471 | fio_socklen_t len = sizeof(addr); |
009b1be4 | 472 | struct pollfd pfd; |
132159a5 | 473 | int ret, sk, flags, exitval = 0; |
50d16976 | 474 | |
60efd14e JA |
475 | dprint(FD_NET, "server enter accept loop\n"); |
476 | ||
009b1be4 JA |
477 | flags = fcntl(listen_sk, F_GETFL); |
478 | flags |= O_NONBLOCK; | |
479 | fcntl(listen_sk, F_SETFL, flags); | |
50d16976 | 480 | again: |
009b1be4 JA |
481 | pfd.fd = listen_sk; |
482 | pfd.events = POLLIN; | |
483 | do { | |
484 | ret = poll(&pfd, 1, 100); | |
485 | if (ret < 0) { | |
486 | if (errno == EINTR) | |
487 | break; | |
fcee5ff6 | 488 | log_err("fio: poll: %s\n", strerror(errno)); |
009b1be4 JA |
489 | goto out; |
490 | } else if (!ret) | |
491 | continue; | |
492 | ||
493 | if (pfd.revents & POLLIN) | |
494 | break; | |
495 | } while (!exit_backend); | |
496 | ||
497 | if (exit_backend) | |
498 | goto out; | |
499 | ||
6b976bfc | 500 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); |
50d16976 | 501 | if (sk < 0) { |
690e09ae | 502 | log_err("fio: accept: %s\n", strerror(errno)); |
50d16976 JA |
503 | return -1; |
504 | } | |
505 | ||
bb447a27 | 506 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
46c48f1f | 507 | |
37db14fe JA |
508 | server_fd = sk; |
509 | ||
70e0c316 | 510 | exitval = handle_connection(sk, 1); |
50d16976 | 511 | |
37db14fe | 512 | server_fd = -1; |
50d16976 | 513 | close(sk); |
5c341e9a | 514 | |
009b1be4 | 515 | if (!exit_backend) |
5c341e9a JA |
516 | goto again; |
517 | ||
009b1be4 | 518 | out: |
132159a5 | 519 | return exitval; |
50d16976 JA |
520 | } |
521 | ||
142575e6 | 522 | int fio_server_text_output(const char *buf, unsigned int len) |
37db14fe | 523 | { |
337d75a8 | 524 | if (server_fd != -1) |
af9c9fb3 | 525 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len, 0); |
337d75a8 | 526 | |
5037b845 | 527 | return fwrite(buf, len, 1, f_err); |
142575e6 JA |
528 | } |
529 | ||
a64e88da JA |
530 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
531 | { | |
532 | dst->max_val = cpu_to_le64(src->max_val); | |
533 | dst->min_val = cpu_to_le64(src->min_val); | |
534 | dst->samples = cpu_to_le64(src->samples); | |
802ad4a8 JA |
535 | |
536 | /* | |
537 | * Encode to IEEE 754 for network transfer | |
538 | */ | |
539 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); | |
540 | dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); | |
a64e88da JA |
541 | } |
542 | ||
543 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
544 | { | |
545 | int i; | |
546 | ||
547 | for (i = 0; i < 2; i++) { | |
548 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
549 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
550 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
551 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
552 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
553 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
554 | } | |
555 | ||
556 | dst->kb_base = cpu_to_le32(src->kb_base); | |
557 | dst->groupid = cpu_to_le32(src->groupid); | |
558 | } | |
559 | ||
560 | /* | |
561 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
562 | * into a single payload. | |
563 | */ | |
564 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
565 | { | |
566 | struct cmd_ts_pdu p; | |
567 | int i, j; | |
568 | ||
60efd14e JA |
569 | dprint(FD_NET, "server sending end stats\n"); |
570 | ||
317b3c8b JA |
571 | memset(&p, 0, sizeof(p)); |
572 | ||
a64e88da JA |
573 | strcpy(p.ts.name, ts->name); |
574 | strcpy(p.ts.verror, ts->verror); | |
575 | strcpy(p.ts.description, ts->description); | |
576 | ||
ddcc0b69 | 577 | p.ts.error = cpu_to_le32(ts->error); |
a64e88da | 578 | p.ts.groupid = cpu_to_le32(ts->groupid); |
ddcc0b69 | 579 | p.ts.pid = cpu_to_le32(ts->pid); |
a64e88da JA |
580 | p.ts.members = cpu_to_le32(ts->members); |
581 | ||
582 | for (i = 0; i < 2; i++) { | |
583 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
584 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
585 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
586 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
587 | } | |
588 | ||
589 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
590 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
591 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
592 | p.ts.minf = cpu_to_le64(ts->minf); | |
593 | p.ts.majf = cpu_to_le64(ts->majf); | |
594 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
802ad4a8 JA |
595 | |
596 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
597 | fio_fp64_t *fp = &p.ts.percentile_list[i]; | |
598 | ||
599 | fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->u.f)); | |
600 | } | |
a64e88da JA |
601 | |
602 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
603 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
604 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
605 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
606 | } | |
607 | ||
608 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
609 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
610 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
611 | } | |
612 | ||
613 | for (i = 0; i < 2; i++) | |
614 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
615 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
616 | ||
617 | for (i = 0; i < 3; i++) { | |
618 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 619 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
620 | } |
621 | ||
93eee04a | 622 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
623 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
624 | ||
625 | for (i = 0; i < 2; i++) { | |
626 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
627 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
628 | } | |
629 | ||
630 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
631 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
632 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
633 | p.ts.first_error = cpu_to_le32(ts->first_error); |
634 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
635 | |
636 | convert_gs(&p.rs, rs); | |
637 | ||
af9c9fb3 | 638 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0); |
a64e88da JA |
639 | } |
640 | ||
641 | void fio_server_send_gs(struct group_run_stats *rs) | |
642 | { | |
643 | struct group_run_stats gs; | |
644 | ||
60efd14e JA |
645 | dprint(FD_NET, "server sending group run stats\n"); |
646 | ||
a64e88da | 647 | convert_gs(&gs, rs); |
af9c9fb3 | 648 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0); |
cf451d1e JA |
649 | } |
650 | ||
142575e6 JA |
651 | int fio_server_log(const char *format, ...) |
652 | { | |
653 | char buffer[1024]; | |
654 | va_list args; | |
82fa6b21 | 655 | size_t len; |
142575e6 | 656 | |
60efd14e JA |
657 | dprint(FD_NET, "server log\n"); |
658 | ||
142575e6 | 659 | va_start(args, format); |
82fa6b21 | 660 | len = vsnprintf(buffer, sizeof(buffer), format, args); |
142575e6 JA |
661 | va_end(args); |
662 | ||
82fa6b21 | 663 | return fio_server_text_output(buffer, len); |
37db14fe | 664 | } |
e46d8091 | 665 | |
87aa8f19 | 666 | static int fio_init_server_ip(void) |
81179eec | 667 | { |
87aa8f19 | 668 | int sk, opt; |
81179eec JA |
669 | |
670 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
671 | if (sk < 0) { | |
672 | log_err("fio: socket: %s\n", strerror(errno)); | |
673 | return -1; | |
674 | } | |
675 | ||
676 | opt = 1; | |
677 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
678 | log_err("fio: setsockopt: %s\n", strerror(errno)); | |
b94cba47 | 679 | close(sk); |
81179eec JA |
680 | return -1; |
681 | } | |
682 | #ifdef SO_REUSEPORT | |
6eb24791 | 683 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
81179eec | 684 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
b94cba47 | 685 | close(sk); |
81179eec JA |
686 | return -1; |
687 | } | |
688 | #endif | |
689 | ||
690 | saddr_in.sin_family = AF_INET; | |
81179eec JA |
691 | |
692 | if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) { | |
693 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 694 | close(sk); |
81179eec JA |
695 | return -1; |
696 | } | |
697 | ||
87aa8f19 JA |
698 | return sk; |
699 | } | |
700 | ||
701 | static int fio_init_server_sock(void) | |
702 | { | |
703 | struct sockaddr_un addr; | |
704 | fio_socklen_t len; | |
705 | mode_t mode; | |
706 | int sk; | |
707 | ||
708 | sk = socket(AF_UNIX, SOCK_STREAM, 0); | |
709 | if (sk < 0) { | |
710 | log_err("fio: socket: %s\n", strerror(errno)); | |
711 | return -1; | |
712 | } | |
713 | ||
714 | mode = umask(000); | |
715 | ||
716 | memset(&addr, 0, sizeof(addr)); | |
717 | addr.sun_family = AF_UNIX; | |
718 | strcpy(addr.sun_path, bind_sock); | |
719 | unlink(bind_sock); | |
720 | ||
721 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; | |
722 | ||
723 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { | |
724 | log_err("fio: bind: %s\n", strerror(errno)); | |
b94cba47 | 725 | close(sk); |
87aa8f19 JA |
726 | return -1; |
727 | } | |
728 | ||
729 | umask(mode); | |
730 | return sk; | |
731 | } | |
732 | ||
733 | static int fio_init_server_connection(void) | |
734 | { | |
bebe6398 | 735 | char bind_str[128]; |
87aa8f19 JA |
736 | int sk; |
737 | ||
738 | dprint(FD_NET, "starting server\n"); | |
739 | ||
740 | if (!bind_sock) | |
741 | sk = fio_init_server_ip(); | |
742 | else | |
743 | sk = fio_init_server_sock(); | |
744 | ||
745 | if (sk < 0) | |
746 | return sk; | |
747 | ||
bebe6398 JA |
748 | if (!bind_sock) |
749 | sprintf(bind_str, "%s:%u", inet_ntoa(saddr_in.sin_addr), fio_net_port); | |
750 | else | |
751 | strcpy(bind_str, bind_sock); | |
752 | ||
753 | log_info("fio: server listening on %s\n", bind_str); | |
754 | ||
81179eec JA |
755 | if (listen(sk, 1) < 0) { |
756 | log_err("fio: listen: %s\n", strerror(errno)); | |
757 | return -1; | |
758 | } | |
759 | ||
87aa8f19 JA |
760 | return sk; |
761 | } | |
762 | ||
bebe6398 JA |
763 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
764 | int *port, struct in_addr *inp) | |
765 | { | |
766 | *ptr = NULL; | |
767 | *is_sock = 0; | |
6d2cf394 | 768 | *port = fio_net_port; |
bebe6398 JA |
769 | |
770 | if (!strncmp(str, "sock:", 5)) { | |
771 | *ptr = strdup(str + 5); | |
772 | *is_sock = 1; | |
773 | } else { | |
774 | const char *host = str; | |
775 | char *portp; | |
776 | int lport = 0; | |
777 | ||
778 | /* | |
779 | * Is it ip:<ip or host>:port | |
780 | */ | |
781 | if (!strncmp(host, "ip:", 3)) | |
782 | host += 3; | |
783 | else if (host[0] == ':') { | |
784 | /* String is :port */ | |
785 | host++; | |
786 | lport = atoi(host); | |
787 | if (!lport || lport > 65535) { | |
788 | log_err("fio: bad server port %u\n", port); | |
789 | return 1; | |
790 | } | |
791 | /* no hostname given, we are done */ | |
792 | *port = lport; | |
793 | return 0; | |
794 | } | |
795 | ||
796 | /* | |
797 | * If no port seen yet, check if there's a last ':' at the end | |
798 | */ | |
799 | if (!lport) { | |
800 | portp = strchr(host, ':'); | |
801 | if (portp) { | |
802 | *portp = '\0'; | |
803 | portp++; | |
804 | lport = atoi(portp); | |
805 | if (!lport || lport > 65535) { | |
806 | log_err("fio: bad server port %u\n", port); | |
807 | return 1; | |
808 | } | |
809 | } | |
810 | } | |
811 | ||
812 | if (lport) | |
813 | *port = lport; | |
814 | ||
815 | *ptr = strdup(host); | |
816 | ||
817 | if (inet_aton(host, inp) != 1) { | |
818 | struct hostent *hent; | |
819 | ||
820 | hent = gethostbyname(host); | |
821 | if (!hent) { | |
bebe6398 JA |
822 | free(*ptr); |
823 | *ptr = NULL; | |
824 | return 1; | |
825 | } | |
826 | ||
827 | memcpy(inp, hent->h_addr, 4); | |
828 | } | |
829 | } | |
830 | ||
831 | if (*port == 0) | |
832 | *port = fio_net_port; | |
833 | ||
834 | return 0; | |
835 | } | |
836 | ||
87aa8f19 JA |
837 | /* |
838 | * Server arg should be one of: | |
839 | * | |
840 | * sock:/path/to/socket | |
841 | * ip:1.2.3.4 | |
842 | * 1.2.3.4 | |
843 | * | |
844 | * Where sock uses unix domain sockets, and ip binds the server to | |
845 | * a specific interface. If no arguments are given to the server, it | |
846 | * uses IP and binds to 0.0.0.0. | |
847 | * | |
848 | */ | |
849 | static int fio_handle_server_arg(void) | |
850 | { | |
6d2cf394 | 851 | int port = fio_net_port; |
a7de0a11 | 852 | int is_sock, ret = 0; |
bebe6398 | 853 | |
87aa8f19 JA |
854 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
855 | ||
856 | if (!fio_server_arg) | |
a7de0a11 | 857 | goto out; |
87aa8f19 | 858 | |
4e5b8fb8 | 859 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
6d2cf394 | 860 | &port, &saddr_in.sin_addr); |
4e5b8fb8 JA |
861 | |
862 | if (!is_sock && bind_sock) { | |
863 | free(bind_sock); | |
864 | bind_sock = NULL; | |
865 | } | |
866 | ||
a7de0a11 | 867 | out: |
6d2cf394 JA |
868 | fio_net_port = port; |
869 | saddr_in.sin_port = htons(port); | |
4e5b8fb8 | 870 | return ret; |
87aa8f19 JA |
871 | } |
872 | ||
873 | static int fio_server(void) | |
874 | { | |
875 | int sk, ret; | |
876 | ||
877 | dprint(FD_NET, "starting server\n"); | |
878 | ||
879 | if (fio_handle_server_arg()) | |
880 | return -1; | |
881 | ||
882 | sk = fio_init_server_connection(); | |
883 | if (sk < 0) | |
884 | return -1; | |
81179eec JA |
885 | |
886 | ret = accept_loop(sk); | |
87aa8f19 | 887 | |
81179eec | 888 | close(sk); |
87aa8f19 JA |
889 | |
890 | if (fio_server_arg) { | |
891 | free(fio_server_arg); | |
892 | fio_server_arg = NULL; | |
893 | } | |
bebe6398 JA |
894 | if (bind_sock) |
895 | free(bind_sock); | |
87aa8f19 | 896 | |
81179eec JA |
897 | return ret; |
898 | } | |
899 | ||
9abea48b JA |
900 | static void sig_int(int sig) |
901 | { | |
902 | fio_terminate_threads(TERMINATE_ALL); | |
903 | exit_backend = 1; | |
904 | } | |
905 | ||
906 | static void server_signal_handler(void) | |
907 | { | |
908 | struct sigaction act; | |
909 | ||
910 | memset(&act, 0, sizeof(act)); | |
911 | act.sa_handler = sig_int; | |
912 | act.sa_flags = SA_RESTART; | |
913 | sigaction(SIGINT, &act, NULL); | |
914 | ||
915 | memset(&act, 0, sizeof(act)); | |
916 | act.sa_handler = sig_int; | |
917 | act.sa_flags = SA_RESTART; | |
918 | sigaction(SIGTERM, &act, NULL); | |
919 | } | |
920 | ||
e46d8091 JA |
921 | int fio_start_server(int daemonize) |
922 | { | |
923 | pid_t pid; | |
924 | ||
9abea48b JA |
925 | server_signal_handler(); |
926 | ||
e46d8091 JA |
927 | if (!daemonize) |
928 | return fio_server(); | |
929 | ||
930 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); | |
931 | pid = fork(); | |
932 | if (pid < 0) { | |
933 | syslog(LOG_ERR, "failed server fork"); | |
c28e8e8c | 934 | return -1; |
e46d8091 JA |
935 | } else if (pid) |
936 | exit(0); | |
937 | ||
938 | setsid(); | |
939 | close(STDIN_FILENO); | |
940 | close(STDOUT_FILENO); | |
941 | close(STDERR_FILENO); | |
942 | f_out = NULL; | |
943 | f_err = NULL; | |
944 | log_syslog = 1; | |
945 | return fio_server(); | |
946 | } | |
87aa8f19 | 947 | |
bebe6398 | 948 | void fio_server_set_arg(const char *arg) |
87aa8f19 JA |
949 | { |
950 | fio_server_arg = strdup(arg); | |
951 | } |