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 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> | |
50d16976 | 11 | #include <sys/mman.h> |
50d16976 JA |
12 | #include <netinet/in.h> |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
e46d8091 | 15 | #include <syslog.h> |
50d16976 JA |
16 | |
17 | #include "fio.h" | |
132159a5 | 18 | #include "server.h" |
fcee5ff6 | 19 | #include "crc/crc16.h" |
50d16976 | 20 | |
132159a5 | 21 | int fio_net_port = 8765; |
50d16976 | 22 | |
009b1be4 JA |
23 | int exit_backend = 0; |
24 | ||
46c48f1f | 25 | static int server_fd = -1; |
37db14fe | 26 | |
132159a5 JA |
27 | int fio_send_data(int sk, const void *p, unsigned int len) |
28 | { | |
794d69ca JA |
29 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU); |
30 | ||
132159a5 JA |
31 | do { |
32 | int ret = send(sk, p, len, 0); | |
33 | ||
34 | if (ret > 0) { | |
35 | len -= ret; | |
36 | if (!len) | |
37 | break; | |
38 | p += ret; | |
39 | continue; | |
40 | } else if (!ret) | |
41 | break; | |
42 | else if (errno == EAGAIN || errno == EINTR) | |
43 | continue; | |
44 | } while (!exit_backend); | |
45 | ||
46 | if (!len) | |
47 | return 0; | |
48 | ||
49 | return 1; | |
50 | } | |
51 | ||
52 | int fio_recv_data(int sk, void *p, unsigned int len) | |
53 | { | |
54 | do { | |
55 | int ret = recv(sk, p, len, MSG_WAITALL); | |
56 | ||
57 | if (ret > 0) { | |
58 | len -= ret; | |
59 | if (!len) | |
60 | break; | |
61 | p += ret; | |
62 | continue; | |
63 | } else if (!ret) | |
64 | break; | |
65 | else if (errno == EAGAIN || errno == EINTR) | |
66 | continue; | |
67 | } while (!exit_backend); | |
68 | ||
69 | if (!len) | |
70 | return 0; | |
71 | ||
72 | return -1; | |
73 | } | |
74 | ||
75 | static int verify_convert_cmd(struct fio_net_cmd *cmd) | |
76 | { | |
fcee5ff6 | 77 | uint16_t crc; |
132159a5 | 78 | |
fcee5ff6 JA |
79 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
80 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); | |
132159a5 | 81 | |
fcee5ff6 JA |
82 | crc = crc16(cmd, FIO_NET_CMD_CRC_SZ); |
83 | if (crc != cmd->cmd_crc16) { | |
132159a5 | 84 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
fcee5ff6 | 85 | cmd->cmd_crc16, crc); |
132159a5 JA |
86 | return 1; |
87 | } | |
88 | ||
89 | cmd->version = le16_to_cpu(cmd->version); | |
90 | cmd->opcode = le16_to_cpu(cmd->opcode); | |
91 | cmd->flags = le32_to_cpu(cmd->flags); | |
92 | cmd->serial = le64_to_cpu(cmd->serial); | |
93 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); | |
94 | ||
95 | switch (cmd->version) { | |
96 | case FIO_SERVER_VER1: | |
97 | break; | |
98 | default: | |
99 | log_err("fio: bad server cmd version %d\n", cmd->version); | |
100 | return 1; | |
101 | } | |
102 | ||
103 | if (cmd->pdu_len > FIO_SERVER_MAX_PDU) { | |
104 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); | |
105 | return 1; | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
a64e88da JA |
111 | /* |
112 | * Read (and defragment, if necessary) incoming commands | |
113 | */ | |
114 | struct fio_net_cmd *fio_net_recv_cmd(int sk) | |
132159a5 | 115 | { |
a64e88da JA |
116 | struct fio_net_cmd cmd, *cmdret = NULL; |
117 | size_t cmd_size = 0, pdu_offset = 0; | |
fcee5ff6 | 118 | uint16_t crc; |
a64e88da JA |
119 | int ret, first = 1; |
120 | void *pdu = NULL; | |
132159a5 | 121 | |
a64e88da | 122 | do { |
cc0df00a JA |
123 | struct pollfd pfd; |
124 | ||
125 | pfd.fd = sk; | |
126 | pfd.events = POLLIN; | |
127 | ret = 0; | |
128 | do { | |
129 | ret = poll(&pfd, 1, 100); | |
130 | if (ret < 0) { | |
131 | log_err("fio: poll: %s\n", strerror(errno)); | |
132 | break; | |
133 | } else if (!ret) | |
134 | continue; | |
135 | ||
136 | if (pfd.revents & POLLIN) | |
137 | break; | |
138 | if (pfd.revents & (POLLERR|POLLHUP)) { | |
139 | ret = 1; | |
140 | break; | |
141 | } | |
142 | } while (ret >= 0); | |
143 | ||
144 | if (ret < 0) | |
145 | break; | |
146 | ||
a64e88da JA |
147 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); |
148 | if (ret) | |
149 | break; | |
132159a5 | 150 | |
a64e88da JA |
151 | /* We have a command, verify it and swap if need be */ |
152 | ret = verify_convert_cmd(&cmd); | |
153 | if (ret) | |
154 | break; | |
132159a5 | 155 | |
a64e88da JA |
156 | if (first) |
157 | cmd_size = sizeof(cmd) + cmd.pdu_len; | |
158 | else | |
159 | cmd_size += cmd.pdu_len; | |
132159a5 | 160 | |
a64e88da | 161 | cmdret = realloc(cmdret, cmd_size); |
132159a5 | 162 | |
a64e88da JA |
163 | if (first) |
164 | memcpy(cmdret, &cmd, sizeof(cmd)); | |
165 | else | |
166 | assert(cmdret->opcode == cmd.opcode); | |
167 | ||
168 | if (!cmd.pdu_len) | |
169 | break; | |
170 | ||
171 | /* There's payload, get it */ | |
172 | pdu = (void *) cmdret->payload + pdu_offset; | |
173 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); | |
174 | if (ret) | |
175 | break; | |
176 | ||
177 | /* Verify payload crc */ | |
178 | crc = crc16(pdu, cmd.pdu_len); | |
179 | if (crc != cmd.pdu_crc16) { | |
180 | log_err("fio: server bad crc on payload "); | |
181 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); | |
182 | ret = 1; | |
183 | break; | |
184 | } | |
185 | ||
186 | pdu_offset += cmd.pdu_len; | |
817f06bb JA |
187 | if (!first) |
188 | cmdret->pdu_len += cmd.pdu_len; | |
a64e88da JA |
189 | first = 0; |
190 | } while (cmd.flags & FIO_NET_CMD_F_MORE); | |
132159a5 | 191 | |
a64e88da JA |
192 | if (ret) { |
193 | free(cmdret); | |
194 | cmdret = NULL; | |
cc0df00a | 195 | } else if (cmdret) |
a64e88da JA |
196 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
197 | ||
198 | return cmdret; | |
132159a5 JA |
199 | } |
200 | ||
201 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) | |
202 | { | |
203 | uint32_t pdu_len; | |
204 | ||
ddcc0b69 | 205 | cmd->cmd_crc16 = __cpu_to_le16(crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
132159a5 JA |
206 | |
207 | pdu_len = le32_to_cpu(cmd->pdu_len); | |
208 | if (pdu_len) | |
ddcc0b69 | 209 | cmd->pdu_crc16 = __cpu_to_le16(crc16(cmd->payload, pdu_len)); |
132159a5 JA |
210 | } |
211 | ||
a64e88da | 212 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size) |
794d69ca JA |
213 | { |
214 | struct fio_net_cmd *cmd; | |
215 | size_t this_len; | |
216 | int ret; | |
217 | ||
218 | do { | |
219 | this_len = size; | |
220 | if (this_len > FIO_SERVER_MAX_PDU) | |
221 | this_len = FIO_SERVER_MAX_PDU; | |
222 | ||
223 | cmd = malloc(sizeof(*cmd) + this_len); | |
224 | ||
225 | fio_init_net_cmd(cmd, opcode, buf, this_len); | |
226 | ||
227 | if (this_len < size) | |
ddcc0b69 | 228 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
794d69ca JA |
229 | |
230 | fio_net_cmd_crc(cmd); | |
231 | ||
232 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); | |
233 | free(cmd); | |
234 | size -= this_len; | |
235 | buf += this_len; | |
236 | } while (!ret && size); | |
237 | ||
238 | return ret; | |
239 | } | |
240 | ||
cc0df00a | 241 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial) |
132159a5 JA |
242 | { |
243 | struct fio_net_cmd cmd = { | |
ddcc0b69 | 244 | .version = __cpu_to_le16(FIO_SERVER_VER1), |
132159a5 | 245 | .opcode = cpu_to_le16(opcode), |
bdab4441 | 246 | .serial = cpu_to_le64(serial), |
132159a5 JA |
247 | }; |
248 | ||
249 | fio_net_cmd_crc(&cmd); | |
250 | ||
251 | return fio_send_data(sk, &cmd, sizeof(cmd)); | |
252 | } | |
253 | ||
437377e1 JA |
254 | static int send_quit_command(void) |
255 | { | |
46c48f1f | 256 | dprint(FD_NET, "server: sending quit\n"); |
cc0df00a | 257 | return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0); |
437377e1 JA |
258 | } |
259 | ||
794d69ca | 260 | static int handle_cur_job(struct fio_net_cmd *cmd) |
132159a5 | 261 | { |
a64e88da JA |
262 | void *buf = cmd->payload; |
263 | int ret; | |
132159a5 | 264 | |
a64e88da | 265 | parse_jobs_ini(buf, 1, 0); |
794d69ca JA |
266 | ret = exec_run(); |
267 | send_quit_command(); | |
268 | reset_fio_state(); | |
132159a5 JA |
269 | return ret; |
270 | } | |
271 | ||
272 | static int handle_command(struct fio_net_cmd *cmd) | |
273 | { | |
274 | int ret; | |
275 | ||
46c48f1f JA |
276 | dprint(FD_NET, "server: got opcode %d\n", cmd->opcode); |
277 | ||
132159a5 JA |
278 | switch (cmd->opcode) { |
279 | case FIO_NET_CMD_QUIT: | |
cc0df00a | 280 | fio_terminate_threads(TERMINATE_ALL); |
d7959186 JA |
281 | return 1; |
282 | case FIO_NET_CMD_EXIT: | |
132159a5 JA |
283 | exit_backend = 1; |
284 | return 1; | |
285 | case FIO_NET_CMD_ACK: | |
286 | return 0; | |
287 | case FIO_NET_CMD_NAK: | |
288 | return 1; | |
289 | case FIO_NET_CMD_JOB: | |
794d69ca | 290 | ret = handle_cur_job(cmd); |
132159a5 JA |
291 | break; |
292 | default: | |
293 | log_err("fio: unknown opcode: %d\n", cmd->opcode); | |
294 | ret = 1; | |
295 | } | |
296 | ||
297 | return ret; | |
298 | } | |
299 | ||
300 | static int handle_connection(int sk) | |
301 | { | |
302 | struct fio_net_cmd *cmd = NULL; | |
303 | int ret = 0; | |
304 | ||
305 | /* read forever */ | |
306 | while (!exit_backend) { | |
a64e88da | 307 | cmd = fio_net_recv_cmd(sk); |
132159a5 JA |
308 | if (!cmd) { |
309 | ret = 1; | |
310 | break; | |
311 | } | |
312 | ||
132159a5 JA |
313 | ret = handle_command(cmd); |
314 | if (ret) | |
315 | break; | |
316 | ||
317 | free(cmd); | |
c77a99e7 | 318 | cmd = NULL; |
132159a5 JA |
319 | } |
320 | ||
321 | if (cmd) | |
322 | free(cmd); | |
323 | ||
324 | return ret; | |
325 | } | |
326 | ||
cc0df00a JA |
327 | void fio_server_idle_loop(void) |
328 | { | |
329 | if (server_fd != -1) | |
330 | handle_connection(server_fd); | |
331 | } | |
332 | ||
50d16976 JA |
333 | static int accept_loop(int listen_sk) |
334 | { | |
335 | struct sockaddr addr; | |
336 | unsigned int len = sizeof(addr); | |
009b1be4 | 337 | struct pollfd pfd; |
132159a5 | 338 | int ret, sk, flags, exitval = 0; |
50d16976 | 339 | |
009b1be4 JA |
340 | flags = fcntl(listen_sk, F_GETFL); |
341 | flags |= O_NONBLOCK; | |
342 | fcntl(listen_sk, F_SETFL, flags); | |
50d16976 | 343 | again: |
009b1be4 JA |
344 | pfd.fd = listen_sk; |
345 | pfd.events = POLLIN; | |
346 | do { | |
347 | ret = poll(&pfd, 1, 100); | |
348 | if (ret < 0) { | |
349 | if (errno == EINTR) | |
350 | break; | |
fcee5ff6 | 351 | log_err("fio: poll: %s\n", strerror(errno)); |
009b1be4 JA |
352 | goto out; |
353 | } else if (!ret) | |
354 | continue; | |
355 | ||
356 | if (pfd.revents & POLLIN) | |
357 | break; | |
358 | } while (!exit_backend); | |
359 | ||
360 | if (exit_backend) | |
361 | goto out; | |
362 | ||
50d16976 | 363 | sk = accept(listen_sk, &addr, &len); |
50d16976 | 364 | if (sk < 0) { |
690e09ae | 365 | log_err("fio: accept: %s\n", strerror(errno)); |
50d16976 JA |
366 | return -1; |
367 | } | |
368 | ||
46c48f1f JA |
369 | dprint(FD_NET, "server got a connection\n"); |
370 | ||
37db14fe JA |
371 | server_fd = sk; |
372 | ||
cc0df00a JA |
373 | printf("handle\n"); |
374 | ||
132159a5 | 375 | exitval = handle_connection(sk); |
50d16976 | 376 | |
cc0df00a JA |
377 | printf("out, exit %d\n", exitval); |
378 | ||
37db14fe | 379 | server_fd = -1; |
50d16976 | 380 | close(sk); |
5c341e9a | 381 | |
009b1be4 | 382 | if (!exit_backend) |
5c341e9a JA |
383 | goto again; |
384 | ||
009b1be4 | 385 | out: |
132159a5 | 386 | return exitval; |
50d16976 JA |
387 | } |
388 | ||
e46d8091 | 389 | static int fio_server(void) |
50d16976 JA |
390 | { |
391 | struct sockaddr_in saddr_in; | |
392 | struct sockaddr addr; | |
393 | unsigned int len; | |
afcf7758 | 394 | int sk, opt, ret; |
50d16976 | 395 | |
46c48f1f JA |
396 | dprint(FD_NET, "starting server\n"); |
397 | ||
50d16976 JA |
398 | sk = socket(AF_INET, SOCK_STREAM, 0); |
399 | if (sk < 0) { | |
690e09ae | 400 | log_err("fio: socket: %s\n", strerror(errno)); |
50d16976 JA |
401 | return -1; |
402 | } | |
403 | ||
404 | opt = 1; | |
405 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
690e09ae | 406 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
50d16976 JA |
407 | return -1; |
408 | } | |
409 | #ifdef SO_REUSEPORT | |
410 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
690e09ae | 411 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
50d16976 JA |
412 | return 1; |
413 | } | |
414 | #endif | |
415 | ||
416 | saddr_in.sin_family = AF_INET; | |
417 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); | |
132159a5 | 418 | saddr_in.sin_port = htons(fio_net_port); |
50d16976 JA |
419 | |
420 | if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) { | |
690e09ae | 421 | log_err("fio: bind: %s\n", strerror(errno)); |
50d16976 JA |
422 | return -1; |
423 | } | |
424 | ||
425 | if (listen(sk, 1) < 0) { | |
690e09ae | 426 | log_err("fio: listen: %s\n", strerror(errno)); |
50d16976 JA |
427 | return -1; |
428 | } | |
429 | ||
430 | len = sizeof(addr); | |
431 | if (getsockname(sk, &addr, &len) < 0) { | |
690e09ae | 432 | log_err("fio: getsockname: %s\n", strerror(errno)); |
50d16976 JA |
433 | return -1; |
434 | } | |
435 | ||
afcf7758 JA |
436 | ret = accept_loop(sk); |
437 | close(sk); | |
438 | return ret; | |
50d16976 | 439 | } |
37db14fe | 440 | |
142575e6 | 441 | int fio_server_text_output(const char *buf, unsigned int len) |
37db14fe | 442 | { |
337d75a8 JA |
443 | if (server_fd != -1) |
444 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len); | |
445 | ||
446 | return 0; | |
142575e6 JA |
447 | } |
448 | ||
a64e88da JA |
449 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
450 | { | |
451 | dst->max_val = cpu_to_le64(src->max_val); | |
452 | dst->min_val = cpu_to_le64(src->min_val); | |
453 | dst->samples = cpu_to_le64(src->samples); | |
454 | /* FIXME */ | |
ddcc0b69 JA |
455 | dst->mean = __cpu_to_le64(src->mean); |
456 | dst->S = __cpu_to_le64(src->S); | |
a64e88da JA |
457 | } |
458 | ||
459 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
460 | { | |
461 | int i; | |
462 | ||
463 | for (i = 0; i < 2; i++) { | |
464 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); | |
465 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); | |
466 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); | |
467 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); | |
468 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); | |
469 | dst->agg[i] = cpu_to_le64(src->agg[i]); | |
470 | } | |
471 | ||
472 | dst->kb_base = cpu_to_le32(src->kb_base); | |
473 | dst->groupid = cpu_to_le32(src->groupid); | |
474 | } | |
475 | ||
476 | /* | |
477 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats | |
478 | * into a single payload. | |
479 | */ | |
480 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) | |
481 | { | |
482 | struct cmd_ts_pdu p; | |
483 | int i, j; | |
484 | ||
485 | strcpy(p.ts.name, ts->name); | |
486 | strcpy(p.ts.verror, ts->verror); | |
487 | strcpy(p.ts.description, ts->description); | |
488 | ||
ddcc0b69 | 489 | p.ts.error = cpu_to_le32(ts->error); |
a64e88da | 490 | p.ts.groupid = cpu_to_le32(ts->groupid); |
ddcc0b69 | 491 | p.ts.pid = cpu_to_le32(ts->pid); |
a64e88da JA |
492 | p.ts.members = cpu_to_le32(ts->members); |
493 | ||
494 | for (i = 0; i < 2; i++) { | |
495 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); | |
496 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); | |
497 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); | |
498 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); | |
499 | } | |
500 | ||
501 | p.ts.usr_time = cpu_to_le64(ts->usr_time); | |
502 | p.ts.sys_time = cpu_to_le64(ts->sys_time); | |
503 | p.ts.ctx = cpu_to_le64(ts->ctx); | |
504 | p.ts.minf = cpu_to_le64(ts->minf); | |
505 | p.ts.majf = cpu_to_le64(ts->majf); | |
506 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); | |
507 | p.ts.percentile_list = NULL; | |
508 | ||
509 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
510 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); | |
511 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); | |
512 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); | |
513 | } | |
514 | ||
515 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
516 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); | |
517 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); | |
518 | } | |
519 | ||
520 | for (i = 0; i < 2; i++) | |
521 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
522 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); | |
523 | ||
524 | for (i = 0; i < 3; i++) { | |
525 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); | |
93eee04a | 526 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
a64e88da JA |
527 | } |
528 | ||
93eee04a | 529 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
a64e88da JA |
530 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
531 | ||
532 | for (i = 0; i < 2; i++) { | |
533 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); | |
534 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); | |
535 | } | |
536 | ||
537 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); | |
538 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); | |
539 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); | |
ddcc0b69 JA |
540 | p.ts.first_error = cpu_to_le32(ts->first_error); |
541 | p.ts.kb_base = cpu_to_le32(ts->kb_base); | |
a64e88da JA |
542 | |
543 | convert_gs(&p.rs, rs); | |
544 | ||
545 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p)); | |
546 | } | |
547 | ||
548 | void fio_server_send_gs(struct group_run_stats *rs) | |
549 | { | |
550 | struct group_run_stats gs; | |
551 | ||
552 | convert_gs(&gs, rs); | |
553 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs)); | |
554 | } | |
555 | ||
cf451d1e JA |
556 | void fio_server_send_status(void) |
557 | { | |
1d1f45ae JA |
558 | struct jobs_eta *je; |
559 | size_t size; | |
560 | void *buf; | |
cf451d1e JA |
561 | int i; |
562 | ||
1d1f45ae JA |
563 | size = sizeof(*je) + thread_number * sizeof(char); |
564 | buf = malloc(size); | |
565 | memset(buf, 0, size); | |
566 | je = buf; | |
567 | ||
568 | if (!calc_thread_status(je)) { | |
569 | free(je); | |
cf451d1e | 570 | return; |
1d1f45ae | 571 | } |
cf451d1e | 572 | |
1d1f45ae JA |
573 | je->nr_running = cpu_to_le32(je->nr_running); |
574 | je->nr_ramp = cpu_to_le32(je->nr_ramp); | |
575 | je->nr_pending = cpu_to_le32(je->nr_pending); | |
576 | je->files_open = cpu_to_le32(je->files_open); | |
577 | je->m_rate = cpu_to_le32(je->m_rate); | |
578 | je->t_rate = cpu_to_le32(je->t_rate); | |
579 | je->m_iops = cpu_to_le32(je->m_iops); | |
580 | je->t_iops = cpu_to_le32(je->t_iops); | |
cf451d1e JA |
581 | |
582 | for (i = 0; i < 2; i++) { | |
1d1f45ae JA |
583 | je->rate[i] = cpu_to_le32(je->rate[i]); |
584 | je->iops[i] = cpu_to_le32(je->iops[i]); | |
cf451d1e JA |
585 | } |
586 | ||
1d1f45ae JA |
587 | je->elapsed_sec = cpu_to_le32(je->nr_running); |
588 | je->eta_sec = cpu_to_le64(je->eta_sec); | |
cf451d1e | 589 | |
1d1f45ae JA |
590 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, buf, size); |
591 | free(je); | |
cf451d1e JA |
592 | } |
593 | ||
142575e6 JA |
594 | int fio_server_log(const char *format, ...) |
595 | { | |
596 | char buffer[1024]; | |
597 | va_list args; | |
82fa6b21 | 598 | size_t len; |
142575e6 JA |
599 | |
600 | va_start(args, format); | |
82fa6b21 | 601 | len = vsnprintf(buffer, sizeof(buffer), format, args); |
142575e6 JA |
602 | va_end(args); |
603 | ||
82fa6b21 | 604 | return fio_server_text_output(buffer, len); |
37db14fe | 605 | } |
e46d8091 JA |
606 | |
607 | int fio_start_server(int daemonize) | |
608 | { | |
609 | pid_t pid; | |
610 | ||
611 | if (!daemonize) | |
612 | return fio_server(); | |
613 | ||
614 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); | |
615 | pid = fork(); | |
616 | if (pid < 0) { | |
617 | syslog(LOG_ERR, "failed server fork"); | |
618 | return 1; | |
619 | } else if (pid) | |
620 | exit(0); | |
621 | ||
622 | setsid(); | |
623 | close(STDIN_FILENO); | |
624 | close(STDOUT_FILENO); | |
625 | close(STDERR_FILENO); | |
626 | f_out = NULL; | |
627 | f_err = NULL; | |
628 | log_syslog = 1; | |
629 | return fio_server(); | |
630 | } |