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> | |
d05c4a03 | 11 | #include <sys/socket.h> |
87aa8f19 | 12 | #include <sys/un.h> |
132159a5 JA |
13 | #include <netinet/in.h> |
14 | #include <arpa/inet.h> | |
15 | #include <netdb.h> | |
9e22ecb0 | 16 | #include <signal.h> |
132159a5 JA |
17 | |
18 | #include "fio.h" | |
19 | #include "server.h" | |
b66570dc | 20 | #include "flist.h" |
3c5f57e3 | 21 | #include "hash.h" |
132159a5 | 22 | |
82c1ed38 | 23 | struct client_eta { |
82c1ed38 | 24 | unsigned int pending; |
78c1111e | 25 | struct jobs_eta eta; |
82c1ed38 JA |
26 | }; |
27 | ||
b66570dc JA |
28 | struct fio_client { |
29 | struct flist_head list; | |
bebe6398 | 30 | struct flist_head hash_list; |
3f3a4542 | 31 | struct flist_head arg_list; |
811826be JA |
32 | union { |
33 | struct sockaddr_in addr; | |
34 | struct sockaddr_in6 addr6; | |
35 | struct sockaddr_un addr_un; | |
36 | }; | |
b66570dc | 37 | char *hostname; |
bebe6398 | 38 | int port; |
b66570dc | 39 | int fd; |
e55f8f30 | 40 | unsigned int refs; |
81179eec | 41 | |
b5296ddb JA |
42 | char *name; |
43 | ||
81179eec | 44 | int state; |
af9c9fb3 | 45 | |
17dd1764 | 46 | int skip_newline; |
87aa8f19 | 47 | int is_sock; |
d09a64a0 | 48 | int disk_stats_shown; |
11e950bd | 49 | unsigned int jobs; |
108fea77 | 50 | unsigned int nr_stat; |
11e950bd | 51 | int error; |
811826be | 52 | int ipv6; |
c2cb6869 | 53 | int sent_job; |
108fea77 | 54 | int did_stat; |
82c1ed38 JA |
55 | |
56 | struct flist_head eta_list; | |
57 | struct client_eta *eta_in_flight; | |
81179eec | 58 | |
89c1707c JA |
59 | struct flist_head cmd_list; |
60 | ||
81179eec JA |
61 | uint16_t argc; |
62 | char **argv; | |
bd023601 JA |
63 | |
64 | char **ini_file; | |
65 | unsigned int nr_ini_file; | |
81179eec JA |
66 | }; |
67 | ||
af9c9fb3 | 68 | static struct timeval eta_tv; |
48fbb46e | 69 | |
81179eec | 70 | enum { |
5c2857f9 | 71 | Client_created = 0, |
81179eec JA |
72 | Client_connected = 1, |
73 | Client_started = 2, | |
01be038e JA |
74 | Client_running = 3, |
75 | Client_stopped = 4, | |
76 | Client_exited = 5, | |
b66570dc JA |
77 | }; |
78 | ||
79 | static FLIST_HEAD(client_list); | |
82c1ed38 | 80 | static FLIST_HEAD(eta_list); |
b66570dc | 81 | |
3f3a4542 JA |
82 | static FLIST_HEAD(arg_list); |
83 | ||
37f0c1ae JA |
84 | static struct thread_stat client_ts; |
85 | static struct group_run_stats client_gs; | |
108fea77 | 86 | static int sum_stat_clients = 0; |
37f0c1ae | 87 | static int sum_stat_nr; |
108fea77 | 88 | static int do_output_all_clients; |
37f0c1ae | 89 | |
3c5f57e3 JA |
90 | #define FIO_CLIENT_HASH_BITS 7 |
91 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
92 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
bebe6398 | 93 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
3c5f57e3 | 94 | |
e951bdc4 | 95 | static int handle_client(struct fio_client *client); |
82c1ed38 | 96 | static void dec_jobs_eta(struct client_eta *eta); |
0b8f30a5 | 97 | |
bebe6398 | 98 | static void fio_client_add_hash(struct fio_client *client) |
3c5f57e3 JA |
99 | { |
100 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
101 | ||
102 | bucket &= FIO_CLIENT_HASH_MASK; | |
bebe6398 | 103 | flist_add(&client->hash_list, &client_hash[bucket]); |
3c5f57e3 JA |
104 | } |
105 | ||
bebe6398 | 106 | static void fio_client_remove_hash(struct fio_client *client) |
3c5f57e3 | 107 | { |
bebe6398 JA |
108 | if (!flist_empty(&client->hash_list)) |
109 | flist_del_init(&client->hash_list); | |
3c5f57e3 JA |
110 | } |
111 | ||
112 | static void fio_init fio_client_hash_init(void) | |
113 | { | |
114 | int i; | |
115 | ||
bebe6398 JA |
116 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
117 | INIT_FLIST_HEAD(&client_hash[i]); | |
3c5f57e3 JA |
118 | } |
119 | ||
b66570dc JA |
120 | static struct fio_client *find_client_by_fd(int fd) |
121 | { | |
3c5f57e3 | 122 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
123 | struct fio_client *client; |
124 | struct flist_head *entry; | |
125 | ||
bebe6398 JA |
126 | flist_for_each(entry, &client_hash[bucket]) { |
127 | client = flist_entry(entry, struct fio_client, hash_list); | |
b66570dc | 128 | |
e55f8f30 JA |
129 | if (client->fd == fd) { |
130 | client->refs++; | |
b66570dc | 131 | return client; |
e55f8f30 | 132 | } |
b66570dc JA |
133 | } |
134 | ||
135 | return NULL; | |
136 | } | |
137 | ||
b66570dc JA |
138 | static void remove_client(struct fio_client *client) |
139 | { | |
e55f8f30 JA |
140 | assert(client->refs); |
141 | ||
142 | if (--client->refs) | |
143 | return; | |
144 | ||
39e8e016 | 145 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 146 | flist_del(&client->list); |
3c5f57e3 | 147 | |
bebe6398 | 148 | fio_client_remove_hash(client); |
81179eec | 149 | |
82c1ed38 JA |
150 | if (!flist_empty(&client->eta_list)) { |
151 | flist_del_init(&client->eta_list); | |
152 | dec_jobs_eta(client->eta_in_flight); | |
153 | } | |
af9c9fb3 | 154 | |
b66570dc | 155 | free(client->hostname); |
81179eec JA |
156 | if (client->argv) |
157 | free(client->argv); | |
b5296ddb JA |
158 | if (client->name) |
159 | free(client->name); | |
bd023601 JA |
160 | while (client->nr_ini_file) |
161 | free(client->ini_file[--client->nr_ini_file]); | |
162 | if (client->ini_file) | |
163 | free(client->ini_file); | |
81179eec | 164 | |
108fea77 JA |
165 | if (!client->did_stat) |
166 | sum_stat_clients -= client->nr_stat; | |
167 | ||
b66570dc | 168 | free(client); |
3c5f57e3 | 169 | nr_clients--; |
b66570dc | 170 | } |
132159a5 | 171 | |
e55f8f30 JA |
172 | static void put_client(struct fio_client *client) |
173 | { | |
174 | remove_client(client); | |
175 | } | |
176 | ||
fa2ea806 JA |
177 | static void __fio_client_add_cmd_option(struct fio_client *client, |
178 | const char *opt) | |
81179eec | 179 | { |
39e8e016 JA |
180 | int index; |
181 | ||
182 | index = client->argc++; | |
81179eec | 183 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
184 | client->argv[index] = strdup(opt); |
185 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
81179eec JA |
186 | } |
187 | ||
fa2ea806 | 188 | void fio_client_add_cmd_option(void *cookie, const char *opt) |
81179eec | 189 | { |
bebe6398 | 190 | struct fio_client *client = cookie; |
3f3a4542 | 191 | struct flist_head *entry; |
81179eec | 192 | |
bebe6398 | 193 | if (!client || !opt) |
fa2ea806 | 194 | return; |
81179eec | 195 | |
fa2ea806 | 196 | __fio_client_add_cmd_option(client, opt); |
3f3a4542 JA |
197 | |
198 | /* | |
199 | * Duplicate arguments to shared client group | |
200 | */ | |
201 | flist_for_each(entry, &arg_list) { | |
202 | client = flist_entry(entry, struct fio_client, arg_list); | |
203 | ||
204 | __fio_client_add_cmd_option(client, opt); | |
205 | } | |
81179eec JA |
206 | } |
207 | ||
bd023601 JA |
208 | void fio_client_add_ini_file(void *cookie, const char *ini_file) |
209 | { | |
210 | struct fio_client *client = cookie; | |
211 | size_t new_size; | |
212 | ||
213 | dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file); | |
214 | ||
215 | new_size = (client->nr_ini_file + 1) * sizeof(char *); | |
216 | client->ini_file = realloc(client->ini_file, new_size); | |
217 | client->ini_file[client->nr_ini_file] = strdup(ini_file); | |
218 | client->nr_ini_file++; | |
219 | } | |
220 | ||
bebe6398 | 221 | int fio_client_add(const char *hostname, void **cookie) |
132159a5 | 222 | { |
3f3a4542 | 223 | struct fio_client *existing = *cookie; |
b66570dc | 224 | struct fio_client *client; |
132159a5 | 225 | |
3f3a4542 JA |
226 | if (existing) { |
227 | /* | |
228 | * We always add our "exec" name as the option, hence 1 | |
229 | * means empty. | |
230 | */ | |
231 | if (existing->argc == 1) | |
232 | flist_add_tail(&existing->arg_list, &arg_list); | |
233 | else { | |
234 | while (!flist_empty(&arg_list)) | |
235 | flist_del_init(arg_list.next); | |
236 | } | |
237 | } | |
238 | ||
b66570dc | 239 | client = malloc(sizeof(*client)); |
a37f69b7 | 240 | memset(client, 0, sizeof(*client)); |
81179eec | 241 | |
3c5f57e3 | 242 | INIT_FLIST_HEAD(&client->list); |
bebe6398 | 243 | INIT_FLIST_HEAD(&client->hash_list); |
3f3a4542 | 244 | INIT_FLIST_HEAD(&client->arg_list); |
82c1ed38 | 245 | INIT_FLIST_HEAD(&client->eta_list); |
89c1707c | 246 | INIT_FLIST_HEAD(&client->cmd_list); |
3c5f57e3 | 247 | |
bebe6398 JA |
248 | if (fio_server_parse_string(hostname, &client->hostname, |
249 | &client->is_sock, &client->port, | |
811826be JA |
250 | &client->addr.sin_addr, |
251 | &client->addr6.sin6_addr, | |
252 | &client->ipv6)) | |
bebe6398 | 253 | return -1; |
87aa8f19 | 254 | |
bebe6398 | 255 | client->fd = -1; |
e55f8f30 | 256 | client->refs = 1; |
3c5f57e3 | 257 | |
81179eec JA |
258 | __fio_client_add_cmd_option(client, "fio"); |
259 | ||
a37f69b7 JA |
260 | flist_add(&client->list, &client_list); |
261 | nr_clients++; | |
bebe6398 JA |
262 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
263 | *cookie = client; | |
264 | return 0; | |
a37f69b7 JA |
265 | } |
266 | ||
87aa8f19 | 267 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 | 268 | { |
811826be | 269 | struct sockaddr *addr; |
67bf9823 | 270 | socklen_t socklen; |
811826be JA |
271 | int fd, domain; |
272 | ||
273 | if (client->ipv6) { | |
274 | client->addr6.sin6_family = AF_INET6; | |
275 | client->addr6.sin6_port = htons(client->port); | |
276 | domain = AF_INET6; | |
277 | addr = (struct sockaddr *) &client->addr6; | |
278 | socklen = sizeof(client->addr6); | |
279 | } else { | |
280 | client->addr.sin_family = AF_INET; | |
281 | client->addr.sin_port = htons(client->port); | |
282 | domain = AF_INET; | |
283 | addr = (struct sockaddr *) &client->addr; | |
284 | socklen = sizeof(client->addr); | |
285 | } | |
132159a5 | 286 | |
811826be | 287 | fd = socket(domain, SOCK_STREAM, 0); |
132159a5 JA |
288 | if (fd < 0) { |
289 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 290 | return -1; |
132159a5 JA |
291 | } |
292 | ||
811826be | 293 | if (connect(fd, addr, socklen) < 0) { |
132159a5 | 294 | log_err("fio: connect: %s\n", strerror(errno)); |
a7de0a11 JA |
295 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
296 | client->port); | |
b94cba47 | 297 | close(fd); |
87aa8f19 JA |
298 | return -1; |
299 | } | |
300 | ||
301 | return fd; | |
302 | } | |
303 | ||
304 | static int fio_client_connect_sock(struct fio_client *client) | |
305 | { | |
306 | struct sockaddr_un *addr = &client->addr_un; | |
67bf9823 | 307 | socklen_t len; |
87aa8f19 JA |
308 | int fd; |
309 | ||
310 | memset(addr, 0, sizeof(*addr)); | |
311 | addr->sun_family = AF_UNIX; | |
312 | strcpy(addr->sun_path, client->hostname); | |
313 | ||
314 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
315 | if (fd < 0) { | |
316 | log_err("fio: socket: %s\n", strerror(errno)); | |
317 | return -1; | |
318 | } | |
319 | ||
320 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
321 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
322 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 323 | close(fd); |
87aa8f19 | 324 | return -1; |
132159a5 JA |
325 | } |
326 | ||
87aa8f19 JA |
327 | return fd; |
328 | } | |
329 | ||
330 | static int fio_client_connect(struct fio_client *client) | |
331 | { | |
332 | int fd; | |
333 | ||
334 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
335 | ||
87aa8f19 JA |
336 | if (client->is_sock) |
337 | fd = fio_client_connect_sock(client); | |
338 | else | |
339 | fd = fio_client_connect_ip(client); | |
340 | ||
89c1707c JA |
341 | dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd); |
342 | ||
87aa8f19 JA |
343 | if (fd < 0) |
344 | return 1; | |
345 | ||
b66570dc | 346 | client->fd = fd; |
bebe6398 | 347 | fio_client_add_hash(client); |
81179eec | 348 | client->state = Client_connected; |
132159a5 JA |
349 | return 0; |
350 | } | |
351 | ||
cc0df00a JA |
352 | void fio_clients_terminate(void) |
353 | { | |
354 | struct flist_head *entry; | |
355 | struct fio_client *client; | |
356 | ||
60efd14e JA |
357 | dprint(FD_NET, "client: terminate clients\n"); |
358 | ||
cc0df00a JA |
359 | flist_for_each(entry, &client_list) { |
360 | client = flist_entry(entry, struct fio_client, list); | |
361 | ||
89c1707c | 362 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL); |
cc0df00a JA |
363 | } |
364 | } | |
365 | ||
366 | static void sig_int(int sig) | |
367 | { | |
bebe6398 | 368 | dprint(FD_NET, "client: got signal %d\n", sig); |
cc0df00a JA |
369 | fio_clients_terminate(); |
370 | } | |
371 | ||
4c6d91e8 JA |
372 | static void sig_show_status(int sig) |
373 | { | |
374 | show_running_run_stats(); | |
375 | } | |
376 | ||
cc0df00a JA |
377 | static void client_signal_handler(void) |
378 | { | |
379 | struct sigaction act; | |
380 | ||
381 | memset(&act, 0, sizeof(act)); | |
382 | act.sa_handler = sig_int; | |
383 | act.sa_flags = SA_RESTART; | |
384 | sigaction(SIGINT, &act, NULL); | |
385 | ||
386 | memset(&act, 0, sizeof(act)); | |
387 | act.sa_handler = sig_int; | |
388 | act.sa_flags = SA_RESTART; | |
389 | sigaction(SIGTERM, &act, NULL); | |
4c6d91e8 | 390 | |
2f694507 BC |
391 | /* Windows uses SIGBREAK as a quit signal from other applications */ |
392 | #ifdef WIN32 | |
393 | memset(&act, 0, sizeof(act)); | |
394 | act.sa_handler = sig_int; | |
395 | act.sa_flags = SA_RESTART; | |
396 | sigaction(SIGBREAK, &act, NULL); | |
397 | #endif | |
398 | ||
4c6d91e8 JA |
399 | memset(&act, 0, sizeof(act)); |
400 | act.sa_handler = sig_show_status; | |
401 | act.sa_flags = SA_RESTART; | |
402 | sigaction(SIGUSR1, &act, NULL); | |
cc0df00a JA |
403 | } |
404 | ||
0b8f30a5 JA |
405 | static void probe_client(struct fio_client *client) |
406 | { | |
60efd14e JA |
407 | dprint(FD_NET, "client: send probe\n"); |
408 | ||
89c1707c | 409 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list); |
0b8f30a5 JA |
410 | } |
411 | ||
81179eec JA |
412 | static int send_client_cmd_line(struct fio_client *client) |
413 | { | |
fa2ea806 JA |
414 | struct cmd_single_line_pdu *cslp; |
415 | struct cmd_line_pdu *clp; | |
416 | unsigned long offset; | |
7f868316 | 417 | unsigned int *lens; |
fa2ea806 JA |
418 | void *pdu; |
419 | size_t mem; | |
81179eec JA |
420 | int i, ret; |
421 | ||
39e8e016 | 422 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 423 | |
7f868316 JA |
424 | lens = malloc(client->argc * sizeof(unsigned int)); |
425 | ||
fa2ea806 JA |
426 | /* |
427 | * Find out how much mem we need | |
428 | */ | |
7f868316 JA |
429 | for (i = 0, mem = 0; i < client->argc; i++) { |
430 | lens[i] = strlen(client->argv[i]) + 1; | |
431 | mem += lens[i]; | |
432 | } | |
fa2ea806 JA |
433 | |
434 | /* | |
435 | * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu | |
436 | */ | |
437 | mem += sizeof(*clp) + (client->argc * sizeof(*cslp)); | |
438 | ||
439 | pdu = malloc(mem); | |
440 | clp = pdu; | |
441 | offset = sizeof(*clp); | |
442 | ||
443 | for (i = 0; i < client->argc; i++) { | |
7f868316 | 444 | uint16_t arg_len = lens[i]; |
fa2ea806 JA |
445 | |
446 | cslp = pdu + offset; | |
447 | strcpy((char *) cslp->text, client->argv[i]); | |
448 | cslp->len = cpu_to_le16(arg_len); | |
449 | offset += sizeof(*cslp) + arg_len; | |
450 | } | |
81179eec | 451 | |
7f868316 | 452 | free(lens); |
fa2ea806 | 453 | clp->lines = cpu_to_le16(client->argc); |
af9c9fb3 | 454 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0); |
81179eec JA |
455 | free(pdu); |
456 | return ret; | |
457 | } | |
458 | ||
a37f69b7 JA |
459 | int fio_clients_connect(void) |
460 | { | |
461 | struct fio_client *client; | |
462 | struct flist_head *entry, *tmp; | |
463 | int ret; | |
464 | ||
93bcfd20 BC |
465 | #ifdef WIN32 |
466 | WSADATA wsd; | |
467 | WSAStartup(MAKEWORD(2,2), &wsd); | |
468 | #endif | |
469 | ||
60efd14e JA |
470 | dprint(FD_NET, "client: connect all\n"); |
471 | ||
cc0df00a JA |
472 | client_signal_handler(); |
473 | ||
a37f69b7 JA |
474 | flist_for_each_safe(entry, tmp, &client_list) { |
475 | client = flist_entry(entry, struct fio_client, list); | |
476 | ||
477 | ret = fio_client_connect(client); | |
0b8f30a5 | 478 | if (ret) { |
a37f69b7 | 479 | remove_client(client); |
0b8f30a5 JA |
480 | continue; |
481 | } | |
482 | ||
483 | probe_client(client); | |
81179eec JA |
484 | |
485 | if (client->argc > 1) | |
486 | send_client_cmd_line(client); | |
a37f69b7 JA |
487 | } |
488 | ||
489 | return !nr_clients; | |
490 | } | |
491 | ||
132159a5 JA |
492 | /* |
493 | * Send file contents to server backend. We could use sendfile(), but to remain | |
494 | * more portable lets just read/write the darn thing. | |
495 | */ | |
a37f69b7 | 496 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
497 | { |
498 | struct stat sb; | |
499 | char *p, *buf; | |
500 | off_t len; | |
501 | int fd, ret; | |
502 | ||
46c48f1f JA |
503 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
504 | ||
132159a5 JA |
505 | fd = open(filename, O_RDONLY); |
506 | if (fd < 0) { | |
e951bdc4 | 507 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
508 | return 1; |
509 | } | |
510 | ||
511 | if (fstat(fd, &sb) < 0) { | |
512 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 513 | close(fd); |
132159a5 JA |
514 | return 1; |
515 | } | |
516 | ||
517 | buf = malloc(sb.st_size); | |
518 | ||
519 | len = sb.st_size; | |
520 | p = buf; | |
521 | do { | |
522 | ret = read(fd, p, len); | |
523 | if (ret > 0) { | |
524 | len -= ret; | |
525 | if (!len) | |
526 | break; | |
527 | p += ret; | |
528 | continue; | |
529 | } else if (!ret) | |
530 | break; | |
531 | else if (errno == EAGAIN || errno == EINTR) | |
532 | continue; | |
533 | } while (1); | |
534 | ||
0b8f30a5 JA |
535 | if (len) { |
536 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 537 | close(fd); |
c524ef72 | 538 | free(buf); |
0b8f30a5 JA |
539 | return 1; |
540 | } | |
541 | ||
c2cb6869 | 542 | client->sent_job = 1; |
af9c9fb3 | 543 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0); |
132159a5 | 544 | free(buf); |
b94cba47 | 545 | close(fd); |
132159a5 JA |
546 | return ret; |
547 | } | |
37db14fe | 548 | |
a37f69b7 JA |
549 | int fio_clients_send_ini(const char *filename) |
550 | { | |
551 | struct fio_client *client; | |
552 | struct flist_head *entry, *tmp; | |
553 | ||
554 | flist_for_each_safe(entry, tmp, &client_list) { | |
555 | client = flist_entry(entry, struct fio_client, list); | |
556 | ||
bd023601 JA |
557 | if (client->nr_ini_file) { |
558 | int i; | |
559 | ||
560 | for (i = 0; i < client->nr_ini_file; i++) { | |
561 | const char *ini = client->ini_file[i]; | |
562 | ||
563 | if (fio_client_send_ini(client, ini)) { | |
564 | remove_client(client); | |
565 | break; | |
566 | } | |
567 | } | |
568 | } else if (!filename || fio_client_send_ini(client, filename)) | |
a37f69b7 | 569 | remove_client(client); |
c2cb6869 JA |
570 | |
571 | client->sent_job = 1; | |
a37f69b7 JA |
572 | } |
573 | ||
574 | return !nr_clients; | |
575 | } | |
576 | ||
a64e88da JA |
577 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
578 | { | |
579 | dst->max_val = le64_to_cpu(src->max_val); | |
580 | dst->min_val = le64_to_cpu(src->min_val); | |
581 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
582 | |
583 | /* | |
584 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
585 | */ | |
586 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
587 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
588 | } |
589 | ||
590 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
591 | { | |
592 | int i, j; | |
593 | ||
594 | dst->error = le32_to_cpu(src->error); | |
595 | dst->groupid = le32_to_cpu(src->groupid); | |
596 | dst->pid = le32_to_cpu(src->pid); | |
597 | dst->members = le32_to_cpu(src->members); | |
598 | ||
599 | for (i = 0; i < 2; i++) { | |
600 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
601 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
602 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
603 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
604 | } | |
605 | ||
606 | dst->usr_time = le64_to_cpu(src->usr_time); | |
607 | dst->sys_time = le64_to_cpu(src->sys_time); | |
608 | dst->ctx = le64_to_cpu(src->ctx); | |
609 | dst->minf = le64_to_cpu(src->minf); | |
610 | dst->majf = le64_to_cpu(src->majf); | |
611 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
612 | |
613 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
614 | fio_fp64_t *fps = &src->percentile_list[i]; | |
615 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
616 | ||
617 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
618 | } | |
a64e88da JA |
619 | |
620 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
621 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
622 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
623 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
624 | } | |
625 | ||
626 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
627 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
628 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
629 | } | |
630 | ||
631 | for (i = 0; i < 2; i++) | |
632 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
633 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
634 | ||
635 | for (i = 0; i < 3; i++) { | |
636 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 637 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
638 | } |
639 | ||
640 | dst->total_submit = le64_to_cpu(src->total_submit); | |
641 | dst->total_complete = le64_to_cpu(src->total_complete); | |
642 | ||
643 | for (i = 0; i < 2; i++) { | |
644 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
645 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
646 | } | |
647 | ||
648 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
649 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
650 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
651 | dst->first_error = le32_to_cpu(src->first_error); |
652 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
653 | } |
654 | ||
655 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
656 | { | |
657 | int i; | |
658 | ||
659 | for (i = 0; i < 2; i++) { | |
660 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
661 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
662 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
663 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
664 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
665 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
666 | } | |
667 | ||
668 | dst->kb_base = le32_to_cpu(src->kb_base); | |
669 | dst->groupid = le32_to_cpu(src->groupid); | |
670 | } | |
671 | ||
108fea77 | 672 | static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd) |
a64e88da JA |
673 | { |
674 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
675 | ||
676 | convert_ts(&p->ts, &p->ts); | |
677 | convert_gs(&p->rs, &p->rs); | |
678 | ||
679 | show_thread_status(&p->ts, &p->rs); | |
108fea77 | 680 | client->did_stat = 1; |
37f0c1ae | 681 | |
108fea77 | 682 | if (!do_output_all_clients) |
37f0c1ae JA |
683 | return; |
684 | ||
685 | sum_thread_stats(&client_ts, &p->ts, sum_stat_nr); | |
686 | sum_group_stats(&client_gs, &p->rs); | |
687 | ||
688 | client_ts.members++; | |
689 | client_ts.groupid = p->ts.groupid; | |
690 | ||
691 | if (++sum_stat_nr == sum_stat_clients) { | |
692 | strcpy(client_ts.name, "All clients"); | |
693 | show_thread_status(&client_ts, &client_gs); | |
694 | } | |
a64e88da JA |
695 | } |
696 | ||
697 | static void handle_gs(struct fio_net_cmd *cmd) | |
698 | { | |
699 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
700 | ||
701 | convert_gs(gs, gs); | |
702 | show_group_stats(gs); | |
703 | } | |
704 | ||
d09a64a0 JA |
705 | static void convert_agg(struct disk_util_agg *agg) |
706 | { | |
707 | int i; | |
708 | ||
709 | for (i = 0; i < 2; i++) { | |
710 | agg->ios[i] = le32_to_cpu(agg->ios[i]); | |
711 | agg->merges[i] = le32_to_cpu(agg->merges[i]); | |
712 | agg->sectors[i] = le64_to_cpu(agg->sectors[i]); | |
713 | agg->ticks[i] = le32_to_cpu(agg->ticks[i]); | |
714 | } | |
715 | ||
716 | agg->io_ticks = le32_to_cpu(agg->io_ticks); | |
717 | agg->time_in_queue = le32_to_cpu(agg->time_in_queue); | |
718 | agg->slavecount = le32_to_cpu(agg->slavecount); | |
823ba54b | 719 | agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i)); |
d09a64a0 JA |
720 | } |
721 | ||
722 | static void convert_dus(struct disk_util_stat *dus) | |
723 | { | |
724 | int i; | |
725 | ||
726 | for (i = 0; i < 2; i++) { | |
727 | dus->ios[i] = le32_to_cpu(dus->ios[i]); | |
728 | dus->merges[i] = le32_to_cpu(dus->merges[i]); | |
729 | dus->sectors[i] = le64_to_cpu(dus->sectors[i]); | |
730 | dus->ticks[i] = le32_to_cpu(dus->ticks[i]); | |
731 | } | |
732 | ||
733 | dus->io_ticks = le32_to_cpu(dus->io_ticks); | |
734 | dus->time_in_queue = le32_to_cpu(dus->time_in_queue); | |
735 | dus->msec = le64_to_cpu(dus->msec); | |
736 | } | |
737 | ||
738 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd) | |
739 | { | |
740 | struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; | |
741 | ||
742 | convert_dus(&du->dus); | |
743 | convert_agg(&du->agg); | |
744 | ||
745 | if (!client->disk_stats_shown) { | |
746 | client->disk_stats_shown = 1; | |
747 | log_info("\nDisk stats (read/write):\n"); | |
748 | } | |
749 | ||
f3afa57e | 750 | print_disk_util(&du->dus, &du->agg, output_format == FIO_OUTPUT_TERSE); |
d09a64a0 JA |
751 | } |
752 | ||
48fbb46e | 753 | static void convert_jobs_eta(struct jobs_eta *je) |
cf451d1e | 754 | { |
cf451d1e JA |
755 | int i; |
756 | ||
757 | je->nr_running = le32_to_cpu(je->nr_running); | |
758 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
759 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
760 | je->files_open = le32_to_cpu(je->files_open); | |
761 | je->m_rate = le32_to_cpu(je->m_rate); | |
762 | je->t_rate = le32_to_cpu(je->t_rate); | |
763 | je->m_iops = le32_to_cpu(je->m_iops); | |
764 | je->t_iops = le32_to_cpu(je->t_iops); | |
765 | ||
766 | for (i = 0; i < 2; i++) { | |
767 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
768 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
769 | } | |
770 | ||
b51eedb7 | 771 | je->elapsed_sec = le64_to_cpu(je->elapsed_sec); |
cf451d1e | 772 | je->eta_sec = le64_to_cpu(je->eta_sec); |
b7f05eb0 | 773 | je->is_pow2 = le32_to_cpu(je->is_pow2); |
48fbb46e JA |
774 | } |
775 | ||
af9c9fb3 | 776 | static void sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je) |
48fbb46e | 777 | { |
48fbb46e JA |
778 | int i; |
779 | ||
780 | dst->nr_running += je->nr_running; | |
781 | dst->nr_ramp += je->nr_ramp; | |
782 | dst->nr_pending += je->nr_pending; | |
783 | dst->files_open += je->files_open; | |
784 | dst->m_rate += je->m_rate; | |
785 | dst->t_rate += je->t_rate; | |
786 | dst->m_iops += je->m_iops; | |
787 | dst->t_iops += je->t_iops; | |
788 | ||
789 | for (i = 0; i < 2; i++) { | |
790 | dst->rate[i] += je->rate[i]; | |
791 | dst->iops[i] += je->iops[i]; | |
792 | } | |
793 | ||
794 | dst->elapsed_sec += je->elapsed_sec; | |
795 | ||
796 | if (je->eta_sec > dst->eta_sec) | |
797 | dst->eta_sec = je->eta_sec; | |
798 | } | |
799 | ||
82c1ed38 JA |
800 | static void dec_jobs_eta(struct client_eta *eta) |
801 | { | |
802 | if (!--eta->pending) { | |
803 | display_thread_status(&eta->eta); | |
804 | free(eta); | |
805 | } | |
806 | } | |
807 | ||
89c1707c JA |
808 | static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd) |
809 | { | |
810 | struct fio_net_int_cmd *icmd = NULL; | |
811 | struct flist_head *entry; | |
812 | ||
813 | flist_for_each(entry, &client->cmd_list) { | |
814 | icmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
815 | ||
df380934 | 816 | if (cmd->tag == (uintptr_t) icmd) |
89c1707c JA |
817 | break; |
818 | ||
819 | icmd = NULL; | |
820 | } | |
821 | ||
822 | if (!icmd) { | |
823 | log_err("fio: client: unable to find matching tag\n"); | |
824 | return; | |
825 | } | |
826 | ||
827 | flist_del(&icmd->list); | |
828 | cmd->tag = icmd->saved_tag; | |
829 | free(icmd); | |
830 | } | |
831 | ||
82c1ed38 | 832 | static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) |
48fbb46e JA |
833 | { |
834 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
df380934 | 835 | struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag; |
af9c9fb3 JA |
836 | |
837 | dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending); | |
cf451d1e | 838 | |
f77d2676 JA |
839 | assert(client->eta_in_flight == eta); |
840 | ||
841 | client->eta_in_flight = NULL; | |
82c1ed38 JA |
842 | flist_del_init(&client->eta_list); |
843 | ||
48fbb46e | 844 | convert_jobs_eta(je); |
af9c9fb3 | 845 | sum_jobs_eta(&eta->eta, je); |
82c1ed38 | 846 | dec_jobs_eta(eta); |
cf451d1e JA |
847 | } |
848 | ||
b5296ddb | 849 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
2e03b4b2 JA |
850 | { |
851 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
d2333358 JA |
852 | const char *os, *arch; |
853 | char bit[16]; | |
2e03b4b2 | 854 | |
cca84643 JA |
855 | os = fio_get_os_string(probe->os); |
856 | if (!os) | |
857 | os = "unknown"; | |
858 | ||
859 | arch = fio_get_arch_string(probe->arch); | |
860 | if (!arch) | |
861 | os = "unknown"; | |
862 | ||
d2333358 | 863 | sprintf(bit, "%d-bit", probe->bpp * 8); |
38fdef22 | 864 | |
0922d61f | 865 | log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s\n", |
38fdef22 | 866 | probe->hostname, probe->bigendian, bit, os, arch, |
0922d61f | 867 | probe->fio_version); |
b5296ddb JA |
868 | |
869 | if (!client->name) | |
870 | client->name = strdup((char *) probe->hostname); | |
2e03b4b2 JA |
871 | } |
872 | ||
11e950bd JA |
873 | static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd) |
874 | { | |
875 | struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; | |
876 | ||
877 | client->state = Client_started; | |
878 | client->jobs = le32_to_cpu(pdu->jobs); | |
108fea77 JA |
879 | client->nr_stat = le32_to_cpu(pdu->stat_outputs); |
880 | ||
881 | if (sum_stat_clients > 1) | |
882 | do_output_all_clients = 1; | |
883 | ||
884 | sum_stat_clients += client->nr_stat; | |
11e950bd JA |
885 | } |
886 | ||
887 | static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd) | |
888 | { | |
889 | struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; | |
890 | ||
891 | client->state = Client_stopped; | |
892 | client->error = le32_to_cpu(pdu->error); | |
498c92c2 JA |
893 | |
894 | if (client->error) | |
895 | log_info("client <%s>: exited with error %d\n", client->hostname, client->error); | |
11e950bd JA |
896 | } |
897 | ||
e951bdc4 | 898 | static int handle_client(struct fio_client *client) |
37db14fe JA |
899 | { |
900 | struct fio_net_cmd *cmd; | |
901 | ||
60efd14e JA |
902 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
903 | ||
e951bdc4 JA |
904 | cmd = fio_net_recv_cmd(client->fd); |
905 | if (!cmd) | |
906 | return 0; | |
c2c94585 | 907 | |
89c1707c JA |
908 | dprint(FD_NET, "client: got cmd op %s from %s\n", |
909 | fio_server_op(cmd->opcode), client->hostname); | |
46c48f1f | 910 | |
e951bdc4 JA |
911 | switch (cmd->opcode) { |
912 | case FIO_NET_CMD_QUIT: | |
913 | remove_client(client); | |
914 | free(cmd); | |
915 | break; | |
916 | case FIO_NET_CMD_TEXT: { | |
917 | const char *buf = (const char *) cmd->payload; | |
b5296ddb | 918 | const char *name; |
e951bdc4 JA |
919 | int fio_unused ret; |
920 | ||
b5296ddb JA |
921 | name = client->name ? client->name : client->hostname; |
922 | ||
e951bdc4 | 923 | if (!client->skip_newline) |
b5296ddb | 924 | fprintf(f_out, "<%s> ", name); |
e951bdc4 JA |
925 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); |
926 | fflush(f_out); | |
927 | client->skip_newline = strchr(buf, '\n') == NULL; | |
928 | free(cmd); | |
929 | break; | |
37db14fe | 930 | } |
d09a64a0 JA |
931 | case FIO_NET_CMD_DU: |
932 | handle_du(client, cmd); | |
933 | free(cmd); | |
934 | break; | |
e951bdc4 | 935 | case FIO_NET_CMD_TS: |
108fea77 | 936 | handle_ts(client, cmd); |
e951bdc4 JA |
937 | free(cmd); |
938 | break; | |
939 | case FIO_NET_CMD_GS: | |
940 | handle_gs(cmd); | |
941 | free(cmd); | |
942 | break; | |
943 | case FIO_NET_CMD_ETA: | |
89c1707c | 944 | remove_reply_cmd(client, cmd); |
82c1ed38 | 945 | handle_eta(client, cmd); |
e951bdc4 JA |
946 | free(cmd); |
947 | break; | |
948 | case FIO_NET_CMD_PROBE: | |
89c1707c | 949 | remove_reply_cmd(client, cmd); |
b5296ddb | 950 | handle_probe(client, cmd); |
e951bdc4 JA |
951 | free(cmd); |
952 | break; | |
01be038e JA |
953 | case FIO_NET_CMD_RUN: |
954 | client->state = Client_running; | |
955 | free(cmd); | |
956 | break; | |
e951bdc4 | 957 | case FIO_NET_CMD_START: |
11e950bd | 958 | handle_start(client, cmd); |
e951bdc4 JA |
959 | free(cmd); |
960 | break; | |
961 | case FIO_NET_CMD_STOP: | |
11e950bd | 962 | handle_stop(client, cmd); |
e951bdc4 JA |
963 | free(cmd); |
964 | break; | |
965 | default: | |
89c1707c | 966 | log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode)); |
e951bdc4 JA |
967 | free(cmd); |
968 | break; | |
37db14fe JA |
969 | } |
970 | ||
e951bdc4 | 971 | return 1; |
37db14fe | 972 | } |
b66570dc | 973 | |
af9c9fb3 JA |
974 | static void request_client_etas(void) |
975 | { | |
976 | struct fio_client *client; | |
977 | struct flist_head *entry; | |
978 | struct client_eta *eta; | |
82c1ed38 | 979 | int skipped = 0; |
af9c9fb3 JA |
980 | |
981 | dprint(FD_NET, "client: request eta (%d)\n", nr_clients); | |
982 | ||
af9c9fb3 JA |
983 | eta = malloc(sizeof(*eta)); |
984 | memset(&eta->eta, 0, sizeof(eta->eta)); | |
985 | eta->pending = nr_clients; | |
986 | ||
987 | flist_for_each(entry, &client_list) { | |
988 | client = flist_entry(entry, struct fio_client, list); | |
989 | ||
82c1ed38 JA |
990 | if (!flist_empty(&client->eta_list)) { |
991 | skipped++; | |
992 | continue; | |
993 | } | |
01be038e JA |
994 | if (client->state != Client_running) |
995 | continue; | |
82c1ed38 | 996 | |
f77d2676 | 997 | assert(!client->eta_in_flight); |
82c1ed38 | 998 | flist_add_tail(&client->eta_list, &eta_list); |
f77d2676 | 999 | client->eta_in_flight = eta; |
af9c9fb3 | 1000 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA, |
df380934 | 1001 | (uintptr_t) eta, &client->cmd_list); |
af9c9fb3 JA |
1002 | } |
1003 | ||
82c1ed38 JA |
1004 | while (skipped--) |
1005 | dec_jobs_eta(eta); | |
1006 | ||
af9c9fb3 JA |
1007 | dprint(FD_NET, "client: requested eta tag %p\n", eta); |
1008 | } | |
1009 | ||
89c1707c JA |
1010 | static int client_check_cmd_timeout(struct fio_client *client, |
1011 | struct timeval *now) | |
1012 | { | |
1013 | struct fio_net_int_cmd *cmd; | |
1014 | struct flist_head *entry, *tmp; | |
1015 | int ret = 0; | |
1016 | ||
1017 | flist_for_each_safe(entry, tmp, &client->cmd_list) { | |
1018 | cmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
1019 | ||
1020 | if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT) | |
1021 | continue; | |
1022 | ||
1023 | log_err("fio: client %s, timeout on cmd %s\n", client->hostname, | |
1024 | fio_server_op(cmd->cmd.opcode)); | |
1025 | flist_del(&cmd->list); | |
1026 | free(cmd); | |
1027 | ret = 1; | |
1028 | } | |
1029 | ||
1030 | return flist_empty(&client->cmd_list) && ret; | |
1031 | } | |
1032 | ||
1033 | static int fio_client_timed_out(void) | |
1034 | { | |
1035 | struct fio_client *client; | |
1036 | struct flist_head *entry, *tmp; | |
1037 | struct timeval tv; | |
1038 | int ret = 0; | |
1039 | ||
67bf9823 | 1040 | fio_gettime(&tv, NULL); |
89c1707c JA |
1041 | |
1042 | flist_for_each_safe(entry, tmp, &client_list) { | |
1043 | client = flist_entry(entry, struct fio_client, list); | |
1044 | ||
1045 | if (flist_empty(&client->cmd_list)) | |
1046 | continue; | |
1047 | ||
1048 | if (!client_check_cmd_timeout(client, &tv)) | |
1049 | continue; | |
1050 | ||
1051 | log_err("fio: client %s timed out\n", client->hostname); | |
1052 | remove_client(client); | |
1053 | ret = 1; | |
1054 | } | |
1055 | ||
1056 | return ret; | |
1057 | } | |
1058 | ||
b66570dc JA |
1059 | int fio_handle_clients(void) |
1060 | { | |
b66570dc | 1061 | struct pollfd *pfds; |
498c92c2 | 1062 | int i, ret = 0, retval = 0; |
b66570dc | 1063 | |
67bf9823 | 1064 | fio_gettime(&eta_tv, NULL); |
af9c9fb3 | 1065 | |
b66570dc JA |
1066 | pfds = malloc(nr_clients * sizeof(struct pollfd)); |
1067 | ||
37f0c1ae JA |
1068 | init_thread_stat(&client_ts); |
1069 | init_group_run_stat(&client_gs); | |
1070 | ||
82a4be1b | 1071 | while (!exit_backend && nr_clients) { |
c2cb6869 JA |
1072 | struct flist_head *entry, *tmp; |
1073 | struct fio_client *client; | |
1074 | ||
82a4be1b | 1075 | i = 0; |
c2cb6869 | 1076 | flist_for_each_safe(entry, tmp, &client_list) { |
82a4be1b | 1077 | client = flist_entry(entry, struct fio_client, list); |
b66570dc | 1078 | |
c2cb6869 JA |
1079 | if (!client->sent_job && |
1080 | flist_empty(&client->cmd_list)) { | |
1081 | remove_client(client); | |
1082 | continue; | |
1083 | } | |
1084 | ||
82a4be1b JA |
1085 | pfds[i].fd = client->fd; |
1086 | pfds[i].events = POLLIN; | |
1087 | i++; | |
1088 | } | |
1089 | ||
c2cb6869 JA |
1090 | if (!nr_clients) |
1091 | break; | |
1092 | ||
82a4be1b | 1093 | assert(i == nr_clients); |
b66570dc | 1094 | |
5c2857f9 | 1095 | do { |
af9c9fb3 JA |
1096 | struct timeval tv; |
1097 | ||
67bf9823 | 1098 | fio_gettime(&tv, NULL); |
af9c9fb3 JA |
1099 | if (mtime_since(&eta_tv, &tv) >= 900) { |
1100 | request_client_etas(); | |
1101 | memcpy(&eta_tv, &tv, sizeof(tv)); | |
89c1707c JA |
1102 | |
1103 | if (fio_client_timed_out()) | |
1104 | break; | |
af9c9fb3 JA |
1105 | } |
1106 | ||
5c2857f9 JA |
1107 | ret = poll(pfds, nr_clients, 100); |
1108 | if (ret < 0) { | |
1109 | if (errno == EINTR) | |
1110 | continue; | |
1111 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
1112 | break; | |
1113 | } else if (!ret) | |
b66570dc | 1114 | continue; |
5c2857f9 | 1115 | } while (ret <= 0); |
b66570dc JA |
1116 | |
1117 | for (i = 0; i < nr_clients; i++) { | |
1118 | if (!(pfds[i].revents & POLLIN)) | |
1119 | continue; | |
1120 | ||
1121 | client = find_client_by_fd(pfds[i].fd); | |
1122 | if (!client) { | |
3c5f57e3 | 1123 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
1124 | continue; |
1125 | } | |
e951bdc4 | 1126 | if (!handle_client(client)) { |
28d3ab07 JA |
1127 | log_info("client: host=%s disconnected\n", |
1128 | client->hostname); | |
1129 | remove_client(client); | |
498c92c2 | 1130 | retval = 1; |
38990764 | 1131 | } else if (client->error) |
498c92c2 | 1132 | retval = 1; |
e55f8f30 | 1133 | put_client(client); |
b66570dc JA |
1134 | } |
1135 | } | |
1136 | ||
1137 | free(pfds); | |
498c92c2 | 1138 | return retval; |
b66570dc | 1139 | } |