Commit | Line | Data |
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132159a5 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
4 | #include <limits.h> | |
5 | #include <errno.h> | |
6 | #include <fcntl.h> | |
7 | #include <sys/poll.h> | |
8 | #include <sys/types.h> | |
9 | #include <sys/stat.h> | |
10 | #include <sys/wait.h> | |
11 | #include <sys/mman.h> | |
12 | #include <netinet/in.h> | |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
15 | ||
16 | #include "fio.h" | |
17 | #include "server.h" | |
18 | #include "crc/crc32.h" | |
b66570dc | 19 | #include "flist.h" |
132159a5 | 20 | |
b66570dc JA |
21 | struct fio_client { |
22 | struct flist_head list; | |
23 | struct sockaddr_in addr; | |
24 | char *hostname; | |
25 | int fd; | |
81179eec JA |
26 | |
27 | int state; | |
28 | ||
29 | uint16_t argc; | |
30 | char **argv; | |
31 | }; | |
32 | ||
33 | enum { | |
5c2857f9 | 34 | Client_created = 0, |
81179eec JA |
35 | Client_connected = 1, |
36 | Client_started = 2, | |
37 | Client_stopped = 3, | |
5c2857f9 | 38 | Client_exited = 4, |
b66570dc JA |
39 | }; |
40 | ||
41 | static FLIST_HEAD(client_list); | |
b66570dc | 42 | |
0b8f30a5 JA |
43 | static int handle_client(struct fio_client *client, int one); |
44 | ||
b66570dc JA |
45 | static struct fio_client *find_client_by_fd(int fd) |
46 | { | |
47 | struct fio_client *client; | |
48 | struct flist_head *entry; | |
49 | ||
50 | flist_for_each(entry, &client_list) { | |
51 | client = flist_entry(entry, struct fio_client, list); | |
52 | ||
53 | if (client->fd == fd) | |
54 | return client; | |
55 | } | |
56 | ||
57 | return NULL; | |
58 | } | |
59 | ||
60 | static struct fio_client *find_client_by_name(const char *name) | |
61 | { | |
62 | struct fio_client *client; | |
63 | struct flist_head *entry; | |
64 | ||
65 | flist_for_each(entry, &client_list) { | |
66 | client = flist_entry(entry, struct fio_client, list); | |
67 | ||
68 | if (!strcmp(name, client->hostname)) | |
69 | return client; | |
70 | } | |
71 | ||
72 | return NULL; | |
73 | } | |
74 | ||
75 | static void remove_client(struct fio_client *client) | |
76 | { | |
46c48f1f | 77 | dprint(FD_NET, "removed client <%s>\n", client->hostname); |
b66570dc JA |
78 | flist_del(&client->list); |
79 | nr_clients--; | |
81179eec | 80 | |
b66570dc | 81 | free(client->hostname); |
81179eec JA |
82 | if (client->argv) |
83 | free(client->argv); | |
84 | ||
b66570dc JA |
85 | free(client); |
86 | } | |
132159a5 | 87 | |
81179eec JA |
88 | static void __fio_client_add_cmd_option(struct fio_client *client, |
89 | const char *opt) | |
90 | { | |
91 | client->argc++; | |
92 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); | |
93 | client->argv[client->argc - 1] = strdup(opt); | |
94 | } | |
95 | ||
96 | void fio_client_add_cmd_option(const char *hostname, const char *opt) | |
97 | { | |
98 | struct fio_client *client; | |
99 | ||
100 | if (!hostname || !opt) | |
101 | return; | |
102 | ||
103 | client = find_client_by_name(hostname); | |
104 | if (!client) { | |
105 | log_err("fio: unknown client %s\n", hostname); | |
106 | return; | |
107 | } | |
108 | ||
109 | __fio_client_add_cmd_option(client, opt); | |
110 | } | |
111 | ||
a37f69b7 | 112 | void fio_client_add(const char *hostname) |
132159a5 | 113 | { |
b66570dc | 114 | struct fio_client *client; |
132159a5 | 115 | |
46c48f1f | 116 | dprint(FD_NET, "added client <%s>\n", hostname); |
b66570dc | 117 | client = malloc(sizeof(*client)); |
a37f69b7 | 118 | memset(client, 0, sizeof(*client)); |
81179eec | 119 | |
a37f69b7 JA |
120 | client->hostname = strdup(hostname); |
121 | client->fd = -1; | |
81179eec JA |
122 | |
123 | __fio_client_add_cmd_option(client, "fio"); | |
124 | ||
a37f69b7 JA |
125 | flist_add(&client->list, &client_list); |
126 | nr_clients++; | |
127 | } | |
128 | ||
129 | static int fio_client_connect(struct fio_client *client) | |
130 | { | |
131 | int fd; | |
132159a5 | 132 | |
46c48f1f JA |
133 | dprint(FD_NET, "connect to host %s\n", client->hostname); |
134 | ||
b66570dc JA |
135 | memset(&client->addr, 0, sizeof(client->addr)); |
136 | client->addr.sin_family = AF_INET; | |
137 | client->addr.sin_port = htons(fio_net_port); | |
138 | ||
a37f69b7 | 139 | if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) { |
132159a5 JA |
140 | struct hostent *hent; |
141 | ||
a37f69b7 | 142 | hent = gethostbyname(client->hostname); |
132159a5 JA |
143 | if (!hent) { |
144 | log_err("fio: gethostbyname: %s\n", strerror(errno)); | |
145 | return 1; | |
146 | } | |
147 | ||
b66570dc | 148 | memcpy(&client->addr.sin_addr, hent->h_addr, 4); |
132159a5 JA |
149 | } |
150 | ||
151 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
152 | if (fd < 0) { | |
153 | log_err("fio: socket: %s\n", strerror(errno)); | |
154 | return 1; | |
155 | } | |
156 | ||
b66570dc | 157 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 158 | log_err("fio: connect: %s\n", strerror(errno)); |
cdf54d85 | 159 | log_err("fio: failed to connect to %s\n", client->hostname); |
132159a5 JA |
160 | return 1; |
161 | } | |
162 | ||
b66570dc | 163 | client->fd = fd; |
81179eec | 164 | client->state = Client_connected; |
132159a5 JA |
165 | return 0; |
166 | } | |
167 | ||
cc0df00a JA |
168 | void fio_clients_terminate(void) |
169 | { | |
170 | struct flist_head *entry; | |
171 | struct fio_client *client; | |
172 | ||
173 | flist_for_each(entry, &client_list) { | |
174 | client = flist_entry(entry, struct fio_client, list); | |
175 | ||
176 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
177 | } | |
178 | } | |
179 | ||
180 | static void sig_int(int sig) | |
181 | { | |
182 | fio_clients_terminate(); | |
183 | } | |
184 | ||
185 | static void client_signal_handler(void) | |
186 | { | |
187 | struct sigaction act; | |
188 | ||
189 | memset(&act, 0, sizeof(act)); | |
190 | act.sa_handler = sig_int; | |
191 | act.sa_flags = SA_RESTART; | |
192 | sigaction(SIGINT, &act, NULL); | |
193 | ||
194 | memset(&act, 0, sizeof(act)); | |
195 | act.sa_handler = sig_int; | |
196 | act.sa_flags = SA_RESTART; | |
197 | sigaction(SIGTERM, &act, NULL); | |
198 | } | |
199 | ||
0b8f30a5 JA |
200 | static void probe_client(struct fio_client *client) |
201 | { | |
202 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); | |
203 | handle_client(client, 1); | |
204 | } | |
205 | ||
81179eec JA |
206 | static int send_client_cmd_line(struct fio_client *client) |
207 | { | |
208 | struct cmd_line_pdu *pdu; | |
209 | int i, ret; | |
210 | ||
211 | pdu = malloc(sizeof(*pdu)); | |
212 | for (i = 0; i < client->argc; i++) | |
213 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
214 | ||
215 | pdu->argc = cpu_to_le16(client->argc); | |
216 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
217 | free(pdu); | |
218 | return ret; | |
219 | } | |
220 | ||
a37f69b7 JA |
221 | int fio_clients_connect(void) |
222 | { | |
223 | struct fio_client *client; | |
224 | struct flist_head *entry, *tmp; | |
225 | int ret; | |
226 | ||
cc0df00a JA |
227 | client_signal_handler(); |
228 | ||
a37f69b7 JA |
229 | flist_for_each_safe(entry, tmp, &client_list) { |
230 | client = flist_entry(entry, struct fio_client, list); | |
231 | ||
232 | ret = fio_client_connect(client); | |
0b8f30a5 | 233 | if (ret) { |
a37f69b7 | 234 | remove_client(client); |
0b8f30a5 JA |
235 | continue; |
236 | } | |
237 | ||
238 | probe_client(client); | |
81179eec JA |
239 | |
240 | if (client->argc > 1) | |
241 | send_client_cmd_line(client); | |
a37f69b7 JA |
242 | } |
243 | ||
244 | return !nr_clients; | |
245 | } | |
246 | ||
132159a5 JA |
247 | /* |
248 | * Send file contents to server backend. We could use sendfile(), but to remain | |
249 | * more portable lets just read/write the darn thing. | |
250 | */ | |
a37f69b7 | 251 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
252 | { |
253 | struct stat sb; | |
254 | char *p, *buf; | |
255 | off_t len; | |
256 | int fd, ret; | |
257 | ||
46c48f1f JA |
258 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
259 | ||
132159a5 JA |
260 | fd = open(filename, O_RDONLY); |
261 | if (fd < 0) { | |
262 | log_err("fio: job file open: %s\n", strerror(errno)); | |
263 | return 1; | |
264 | } | |
265 | ||
266 | if (fstat(fd, &sb) < 0) { | |
267 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
268 | return 1; | |
269 | } | |
270 | ||
271 | buf = malloc(sb.st_size); | |
272 | ||
273 | len = sb.st_size; | |
274 | p = buf; | |
275 | do { | |
276 | ret = read(fd, p, len); | |
277 | if (ret > 0) { | |
278 | len -= ret; | |
279 | if (!len) | |
280 | break; | |
281 | p += ret; | |
282 | continue; | |
283 | } else if (!ret) | |
284 | break; | |
285 | else if (errno == EAGAIN || errno == EINTR) | |
286 | continue; | |
287 | } while (1); | |
288 | ||
0b8f30a5 JA |
289 | if (len) { |
290 | log_err("fio: failed reading job file %s\n", filename); | |
291 | return 1; | |
292 | } | |
293 | ||
81179eec | 294 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 JA |
295 | free(buf); |
296 | return ret; | |
297 | } | |
37db14fe | 298 | |
a37f69b7 JA |
299 | int fio_clients_send_ini(const char *filename) |
300 | { | |
301 | struct fio_client *client; | |
302 | struct flist_head *entry, *tmp; | |
303 | ||
304 | flist_for_each_safe(entry, tmp, &client_list) { | |
305 | client = flist_entry(entry, struct fio_client, list); | |
306 | ||
307 | if (fio_client_send_ini(client, filename)) | |
308 | remove_client(client); | |
309 | } | |
310 | ||
311 | return !nr_clients; | |
312 | } | |
313 | ||
a64e88da JA |
314 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
315 | { | |
316 | dst->max_val = le64_to_cpu(src->max_val); | |
317 | dst->min_val = le64_to_cpu(src->min_val); | |
318 | dst->samples = le64_to_cpu(src->samples); | |
319 | /* FIXME */ | |
ddcc0b69 JA |
320 | dst->mean = __le64_to_cpu(src->mean); |
321 | dst->S = __le64_to_cpu(src->S); | |
a64e88da JA |
322 | } |
323 | ||
324 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
325 | { | |
326 | int i, j; | |
327 | ||
328 | dst->error = le32_to_cpu(src->error); | |
329 | dst->groupid = le32_to_cpu(src->groupid); | |
330 | dst->pid = le32_to_cpu(src->pid); | |
331 | dst->members = le32_to_cpu(src->members); | |
332 | ||
333 | for (i = 0; i < 2; i++) { | |
334 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
335 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
336 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
337 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
338 | } | |
339 | ||
340 | dst->usr_time = le64_to_cpu(src->usr_time); | |
341 | dst->sys_time = le64_to_cpu(src->sys_time); | |
342 | dst->ctx = le64_to_cpu(src->ctx); | |
343 | dst->minf = le64_to_cpu(src->minf); | |
344 | dst->majf = le64_to_cpu(src->majf); | |
345 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
346 | dst->percentile_list = NULL; | |
347 | ||
348 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
349 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
350 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
351 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
352 | } | |
353 | ||
354 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
355 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
356 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
357 | } | |
358 | ||
359 | for (i = 0; i < 2; i++) | |
360 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
361 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
362 | ||
363 | for (i = 0; i < 3; i++) { | |
364 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 365 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
366 | } |
367 | ||
368 | dst->total_submit = le64_to_cpu(src->total_submit); | |
369 | dst->total_complete = le64_to_cpu(src->total_complete); | |
370 | ||
371 | for (i = 0; i < 2; i++) { | |
372 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
373 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
374 | } | |
375 | ||
376 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
377 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
378 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
379 | dst->first_error = le32_to_cpu(src->first_error); |
380 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
381 | } |
382 | ||
383 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
384 | { | |
385 | int i; | |
386 | ||
387 | for (i = 0; i < 2; i++) { | |
388 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
389 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
390 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
391 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
392 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
393 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
394 | } | |
395 | ||
396 | dst->kb_base = le32_to_cpu(src->kb_base); | |
397 | dst->groupid = le32_to_cpu(src->groupid); | |
398 | } | |
399 | ||
400 | static void handle_ts(struct fio_net_cmd *cmd) | |
401 | { | |
402 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
403 | ||
404 | convert_ts(&p->ts, &p->ts); | |
405 | convert_gs(&p->rs, &p->rs); | |
406 | ||
407 | show_thread_status(&p->ts, &p->rs); | |
408 | } | |
409 | ||
410 | static void handle_gs(struct fio_net_cmd *cmd) | |
411 | { | |
412 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
413 | ||
414 | convert_gs(gs, gs); | |
415 | show_group_stats(gs); | |
416 | } | |
417 | ||
cf451d1e JA |
418 | static void handle_eta(struct fio_net_cmd *cmd) |
419 | { | |
420 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
421 | int i; | |
422 | ||
423 | je->nr_running = le32_to_cpu(je->nr_running); | |
424 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
425 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
426 | je->files_open = le32_to_cpu(je->files_open); | |
427 | je->m_rate = le32_to_cpu(je->m_rate); | |
428 | je->t_rate = le32_to_cpu(je->t_rate); | |
429 | je->m_iops = le32_to_cpu(je->m_iops); | |
430 | je->t_iops = le32_to_cpu(je->t_iops); | |
431 | ||
432 | for (i = 0; i < 2; i++) { | |
433 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
434 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
435 | } | |
436 | ||
437 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
438 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
439 | ||
440 | display_thread_status(je); | |
441 | } | |
442 | ||
2e03b4b2 JA |
443 | static void handle_probe(struct fio_net_cmd *cmd) |
444 | { | |
445 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
446 | ||
0b8f30a5 JA |
447 | log_info("Probe: hostname=%s, fio ver %u.%u.%u\n", probe->hostname, |
448 | probe->fio_major, probe->fio_minor, probe->fio_patch); | |
2e03b4b2 JA |
449 | } |
450 | ||
0b8f30a5 | 451 | static int handle_client(struct fio_client *client, int one) |
37db14fe JA |
452 | { |
453 | struct fio_net_cmd *cmd; | |
a450e492 | 454 | int done = 0; |
37db14fe | 455 | |
70e0c316 | 456 | while ((cmd = fio_net_recv_cmd(client->fd, 1)) != NULL) { |
46c48f1f JA |
457 | dprint(FD_NET, "%s: got cmd op %d\n", client->hostname, |
458 | cmd->opcode); | |
459 | ||
a64e88da | 460 | switch (cmd->opcode) { |
a64e88da | 461 | case FIO_NET_CMD_QUIT: |
b66570dc | 462 | remove_client(client); |
437377e1 | 463 | free(cmd); |
a450e492 | 464 | done = 1; |
437377e1 | 465 | break; |
a64e88da | 466 | case FIO_NET_CMD_TEXT: |
0b8f30a5 JA |
467 | fprintf(f_out, "Client <%s>: ", client->hostname); |
468 | fwrite(cmd->payload, cmd->pdu_len, 1, f_out); | |
469 | fflush(f_out); | |
37db14fe | 470 | free(cmd); |
a64e88da JA |
471 | break; |
472 | case FIO_NET_CMD_TS: | |
473 | handle_ts(cmd); | |
474 | free(cmd); | |
475 | break; | |
476 | case FIO_NET_CMD_GS: | |
477 | handle_gs(cmd); | |
478 | free(cmd); | |
479 | break; | |
cf451d1e JA |
480 | case FIO_NET_CMD_ETA: |
481 | handle_eta(cmd); | |
482 | free(cmd); | |
483 | break; | |
2e03b4b2 JA |
484 | case FIO_NET_CMD_PROBE: |
485 | handle_probe(cmd); | |
486 | free(cmd); | |
487 | break; | |
81179eec JA |
488 | case FIO_NET_CMD_START: |
489 | client->state = Client_started; | |
490 | free(cmd); | |
491 | break; | |
492 | case FIO_NET_CMD_STOP: | |
493 | client->state = Client_stopped; | |
494 | free(cmd); | |
495 | break; | |
a64e88da JA |
496 | default: |
497 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
498 | free(cmd); | |
499 | break; | |
37db14fe | 500 | } |
a450e492 | 501 | |
0b8f30a5 | 502 | if (done || one) |
a450e492 | 503 | break; |
37db14fe JA |
504 | } |
505 | ||
506 | return 0; | |
507 | } | |
b66570dc JA |
508 | |
509 | int fio_handle_clients(void) | |
510 | { | |
511 | struct fio_client *client; | |
512 | struct flist_head *entry; | |
513 | struct pollfd *pfds; | |
82a4be1b | 514 | int i, ret = 0; |
b66570dc JA |
515 | |
516 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
517 | ||
82a4be1b JA |
518 | while (!exit_backend && nr_clients) { |
519 | i = 0; | |
520 | flist_for_each(entry, &client_list) { | |
521 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 522 | |
82a4be1b JA |
523 | pfds[i].fd = client->fd; |
524 | pfds[i].events = POLLIN; | |
525 | i++; | |
526 | } | |
527 | ||
528 | assert(i == nr_clients); | |
b66570dc | 529 | |
5c2857f9 JA |
530 | do { |
531 | ret = poll(pfds, nr_clients, 100); | |
532 | if (ret < 0) { | |
533 | if (errno == EINTR) | |
534 | continue; | |
535 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
536 | break; | |
537 | } else if (!ret) | |
b66570dc | 538 | continue; |
5c2857f9 | 539 | } while (ret <= 0); |
b66570dc JA |
540 | |
541 | for (i = 0; i < nr_clients; i++) { | |
542 | if (!(pfds[i].revents & POLLIN)) | |
543 | continue; | |
544 | ||
545 | client = find_client_by_fd(pfds[i].fd); | |
546 | if (!client) { | |
547 | log_err("fio: unknown client\n"); | |
548 | continue; | |
549 | } | |
0b8f30a5 | 550 | handle_client(client, 0); |
b66570dc JA |
551 | } |
552 | } | |
553 | ||
554 | free(pfds); | |
b66570dc JA |
555 | return 0; |
556 | } |