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 JA |
23 | struct client_eta { |
24 | struct jobs_eta eta; | |
25 | unsigned int pending; | |
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 JA |
49 | unsigned int jobs; |
50 | int error; | |
811826be | 51 | int ipv6; |
c2cb6869 | 52 | int sent_job; |
82c1ed38 JA |
53 | |
54 | struct flist_head eta_list; | |
55 | struct client_eta *eta_in_flight; | |
81179eec | 56 | |
89c1707c JA |
57 | struct flist_head cmd_list; |
58 | ||
81179eec JA |
59 | uint16_t argc; |
60 | char **argv; | |
bd023601 JA |
61 | |
62 | char **ini_file; | |
63 | unsigned int nr_ini_file; | |
81179eec JA |
64 | }; |
65 | ||
af9c9fb3 | 66 | static struct timeval eta_tv; |
48fbb46e | 67 | |
81179eec | 68 | enum { |
5c2857f9 | 69 | Client_created = 0, |
81179eec JA |
70 | Client_connected = 1, |
71 | Client_started = 2, | |
01be038e JA |
72 | Client_running = 3, |
73 | Client_stopped = 4, | |
74 | Client_exited = 5, | |
b66570dc JA |
75 | }; |
76 | ||
77 | static FLIST_HEAD(client_list); | |
82c1ed38 | 78 | static FLIST_HEAD(eta_list); |
b66570dc | 79 | |
3f3a4542 JA |
80 | static FLIST_HEAD(arg_list); |
81 | ||
37f0c1ae JA |
82 | static struct thread_stat client_ts; |
83 | static struct group_run_stats client_gs; | |
84 | static int sum_stat_clients; | |
85 | static int sum_stat_nr; | |
86 | ||
3c5f57e3 JA |
87 | #define FIO_CLIENT_HASH_BITS 7 |
88 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
89 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
bebe6398 | 90 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
3c5f57e3 | 91 | |
e951bdc4 | 92 | static int handle_client(struct fio_client *client); |
82c1ed38 | 93 | static void dec_jobs_eta(struct client_eta *eta); |
0b8f30a5 | 94 | |
bebe6398 | 95 | static void fio_client_add_hash(struct fio_client *client) |
3c5f57e3 JA |
96 | { |
97 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
98 | ||
99 | bucket &= FIO_CLIENT_HASH_MASK; | |
bebe6398 | 100 | flist_add(&client->hash_list, &client_hash[bucket]); |
3c5f57e3 JA |
101 | } |
102 | ||
bebe6398 | 103 | static void fio_client_remove_hash(struct fio_client *client) |
3c5f57e3 | 104 | { |
bebe6398 JA |
105 | if (!flist_empty(&client->hash_list)) |
106 | flist_del_init(&client->hash_list); | |
3c5f57e3 JA |
107 | } |
108 | ||
109 | static void fio_init fio_client_hash_init(void) | |
110 | { | |
111 | int i; | |
112 | ||
bebe6398 JA |
113 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
114 | INIT_FLIST_HEAD(&client_hash[i]); | |
3c5f57e3 JA |
115 | } |
116 | ||
b66570dc JA |
117 | static struct fio_client *find_client_by_fd(int fd) |
118 | { | |
3c5f57e3 | 119 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
120 | struct fio_client *client; |
121 | struct flist_head *entry; | |
122 | ||
bebe6398 JA |
123 | flist_for_each(entry, &client_hash[bucket]) { |
124 | client = flist_entry(entry, struct fio_client, hash_list); | |
b66570dc | 125 | |
e55f8f30 JA |
126 | if (client->fd == fd) { |
127 | client->refs++; | |
b66570dc | 128 | return client; |
e55f8f30 | 129 | } |
b66570dc JA |
130 | } |
131 | ||
132 | return NULL; | |
133 | } | |
134 | ||
b66570dc JA |
135 | static void remove_client(struct fio_client *client) |
136 | { | |
e55f8f30 JA |
137 | assert(client->refs); |
138 | ||
139 | if (--client->refs) | |
140 | return; | |
141 | ||
39e8e016 | 142 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 143 | flist_del(&client->list); |
3c5f57e3 | 144 | |
bebe6398 | 145 | fio_client_remove_hash(client); |
81179eec | 146 | |
82c1ed38 JA |
147 | if (!flist_empty(&client->eta_list)) { |
148 | flist_del_init(&client->eta_list); | |
149 | dec_jobs_eta(client->eta_in_flight); | |
150 | } | |
af9c9fb3 | 151 | |
b66570dc | 152 | free(client->hostname); |
81179eec JA |
153 | if (client->argv) |
154 | free(client->argv); | |
b5296ddb JA |
155 | if (client->name) |
156 | free(client->name); | |
bd023601 JA |
157 | while (client->nr_ini_file) |
158 | free(client->ini_file[--client->nr_ini_file]); | |
159 | if (client->ini_file) | |
160 | free(client->ini_file); | |
81179eec | 161 | |
b66570dc | 162 | free(client); |
3c5f57e3 | 163 | nr_clients--; |
5fd0acbd | 164 | sum_stat_clients--; |
b66570dc | 165 | } |
132159a5 | 166 | |
e55f8f30 JA |
167 | static void put_client(struct fio_client *client) |
168 | { | |
169 | remove_client(client); | |
170 | } | |
171 | ||
fa2ea806 JA |
172 | static void __fio_client_add_cmd_option(struct fio_client *client, |
173 | const char *opt) | |
81179eec | 174 | { |
39e8e016 JA |
175 | int index; |
176 | ||
177 | index = client->argc++; | |
81179eec | 178 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
179 | client->argv[index] = strdup(opt); |
180 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
81179eec JA |
181 | } |
182 | ||
fa2ea806 | 183 | void fio_client_add_cmd_option(void *cookie, const char *opt) |
81179eec | 184 | { |
bebe6398 | 185 | struct fio_client *client = cookie; |
3f3a4542 | 186 | struct flist_head *entry; |
81179eec | 187 | |
bebe6398 | 188 | if (!client || !opt) |
fa2ea806 | 189 | return; |
81179eec | 190 | |
fa2ea806 | 191 | __fio_client_add_cmd_option(client, opt); |
3f3a4542 JA |
192 | |
193 | /* | |
194 | * Duplicate arguments to shared client group | |
195 | */ | |
196 | flist_for_each(entry, &arg_list) { | |
197 | client = flist_entry(entry, struct fio_client, arg_list); | |
198 | ||
199 | __fio_client_add_cmd_option(client, opt); | |
200 | } | |
81179eec JA |
201 | } |
202 | ||
bd023601 JA |
203 | void fio_client_add_ini_file(void *cookie, const char *ini_file) |
204 | { | |
205 | struct fio_client *client = cookie; | |
206 | size_t new_size; | |
207 | ||
208 | dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file); | |
209 | ||
210 | new_size = (client->nr_ini_file + 1) * sizeof(char *); | |
211 | client->ini_file = realloc(client->ini_file, new_size); | |
212 | client->ini_file[client->nr_ini_file] = strdup(ini_file); | |
213 | client->nr_ini_file++; | |
214 | } | |
215 | ||
bebe6398 | 216 | int fio_client_add(const char *hostname, void **cookie) |
132159a5 | 217 | { |
3f3a4542 | 218 | struct fio_client *existing = *cookie; |
b66570dc | 219 | struct fio_client *client; |
132159a5 | 220 | |
3f3a4542 JA |
221 | if (existing) { |
222 | /* | |
223 | * We always add our "exec" name as the option, hence 1 | |
224 | * means empty. | |
225 | */ | |
226 | if (existing->argc == 1) | |
227 | flist_add_tail(&existing->arg_list, &arg_list); | |
228 | else { | |
229 | while (!flist_empty(&arg_list)) | |
230 | flist_del_init(arg_list.next); | |
231 | } | |
232 | } | |
233 | ||
b66570dc | 234 | client = malloc(sizeof(*client)); |
a37f69b7 | 235 | memset(client, 0, sizeof(*client)); |
81179eec | 236 | |
3c5f57e3 | 237 | INIT_FLIST_HEAD(&client->list); |
bebe6398 | 238 | INIT_FLIST_HEAD(&client->hash_list); |
3f3a4542 | 239 | INIT_FLIST_HEAD(&client->arg_list); |
82c1ed38 | 240 | INIT_FLIST_HEAD(&client->eta_list); |
89c1707c | 241 | INIT_FLIST_HEAD(&client->cmd_list); |
3c5f57e3 | 242 | |
bebe6398 JA |
243 | if (fio_server_parse_string(hostname, &client->hostname, |
244 | &client->is_sock, &client->port, | |
811826be JA |
245 | &client->addr.sin_addr, |
246 | &client->addr6.sin6_addr, | |
247 | &client->ipv6)) | |
bebe6398 | 248 | return -1; |
87aa8f19 | 249 | |
bebe6398 | 250 | client->fd = -1; |
e55f8f30 | 251 | client->refs = 1; |
3c5f57e3 | 252 | |
81179eec JA |
253 | __fio_client_add_cmd_option(client, "fio"); |
254 | ||
a37f69b7 JA |
255 | flist_add(&client->list, &client_list); |
256 | nr_clients++; | |
bebe6398 JA |
257 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
258 | *cookie = client; | |
259 | return 0; | |
a37f69b7 JA |
260 | } |
261 | ||
87aa8f19 | 262 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 | 263 | { |
811826be JA |
264 | struct sockaddr *addr; |
265 | fio_socklen_t socklen; | |
266 | int fd, domain; | |
267 | ||
268 | if (client->ipv6) { | |
269 | client->addr6.sin6_family = AF_INET6; | |
270 | client->addr6.sin6_port = htons(client->port); | |
271 | domain = AF_INET6; | |
272 | addr = (struct sockaddr *) &client->addr6; | |
273 | socklen = sizeof(client->addr6); | |
274 | } else { | |
275 | client->addr.sin_family = AF_INET; | |
276 | client->addr.sin_port = htons(client->port); | |
277 | domain = AF_INET; | |
278 | addr = (struct sockaddr *) &client->addr; | |
279 | socklen = sizeof(client->addr); | |
280 | } | |
132159a5 | 281 | |
811826be | 282 | fd = socket(domain, SOCK_STREAM, 0); |
132159a5 JA |
283 | if (fd < 0) { |
284 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 285 | return -1; |
132159a5 JA |
286 | } |
287 | ||
811826be | 288 | if (connect(fd, addr, socklen) < 0) { |
132159a5 | 289 | log_err("fio: connect: %s\n", strerror(errno)); |
a7de0a11 JA |
290 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
291 | client->port); | |
b94cba47 | 292 | close(fd); |
87aa8f19 JA |
293 | return -1; |
294 | } | |
295 | ||
296 | return fd; | |
297 | } | |
298 | ||
299 | static int fio_client_connect_sock(struct fio_client *client) | |
300 | { | |
301 | struct sockaddr_un *addr = &client->addr_un; | |
302 | fio_socklen_t len; | |
303 | int fd; | |
304 | ||
305 | memset(addr, 0, sizeof(*addr)); | |
306 | addr->sun_family = AF_UNIX; | |
307 | strcpy(addr->sun_path, client->hostname); | |
308 | ||
309 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
310 | if (fd < 0) { | |
311 | log_err("fio: socket: %s\n", strerror(errno)); | |
312 | return -1; | |
313 | } | |
314 | ||
315 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
316 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
317 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 318 | close(fd); |
87aa8f19 | 319 | return -1; |
132159a5 JA |
320 | } |
321 | ||
87aa8f19 JA |
322 | return fd; |
323 | } | |
324 | ||
325 | static int fio_client_connect(struct fio_client *client) | |
326 | { | |
327 | int fd; | |
328 | ||
329 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
330 | ||
87aa8f19 JA |
331 | if (client->is_sock) |
332 | fd = fio_client_connect_sock(client); | |
333 | else | |
334 | fd = fio_client_connect_ip(client); | |
335 | ||
89c1707c JA |
336 | dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd); |
337 | ||
87aa8f19 JA |
338 | if (fd < 0) |
339 | return 1; | |
340 | ||
b66570dc | 341 | client->fd = fd; |
bebe6398 | 342 | fio_client_add_hash(client); |
81179eec | 343 | client->state = Client_connected; |
132159a5 JA |
344 | return 0; |
345 | } | |
346 | ||
cc0df00a JA |
347 | void fio_clients_terminate(void) |
348 | { | |
349 | struct flist_head *entry; | |
350 | struct fio_client *client; | |
351 | ||
60efd14e JA |
352 | dprint(FD_NET, "client: terminate clients\n"); |
353 | ||
cc0df00a JA |
354 | flist_for_each(entry, &client_list) { |
355 | client = flist_entry(entry, struct fio_client, list); | |
356 | ||
89c1707c | 357 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL); |
cc0df00a JA |
358 | } |
359 | } | |
360 | ||
361 | static void sig_int(int sig) | |
362 | { | |
bebe6398 | 363 | dprint(FD_NET, "client: got signal %d\n", sig); |
cc0df00a JA |
364 | fio_clients_terminate(); |
365 | } | |
366 | ||
4c6d91e8 JA |
367 | static void sig_show_status(int sig) |
368 | { | |
369 | show_running_run_stats(); | |
370 | } | |
371 | ||
cc0df00a JA |
372 | static void client_signal_handler(void) |
373 | { | |
374 | struct sigaction act; | |
375 | ||
376 | memset(&act, 0, sizeof(act)); | |
377 | act.sa_handler = sig_int; | |
378 | act.sa_flags = SA_RESTART; | |
379 | sigaction(SIGINT, &act, NULL); | |
380 | ||
381 | memset(&act, 0, sizeof(act)); | |
382 | act.sa_handler = sig_int; | |
383 | act.sa_flags = SA_RESTART; | |
384 | sigaction(SIGTERM, &act, NULL); | |
4c6d91e8 JA |
385 | |
386 | memset(&act, 0, sizeof(act)); | |
387 | act.sa_handler = sig_show_status; | |
388 | act.sa_flags = SA_RESTART; | |
389 | sigaction(SIGUSR1, &act, NULL); | |
cc0df00a JA |
390 | } |
391 | ||
0b8f30a5 JA |
392 | static void probe_client(struct fio_client *client) |
393 | { | |
60efd14e JA |
394 | dprint(FD_NET, "client: send probe\n"); |
395 | ||
89c1707c | 396 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list); |
0b8f30a5 JA |
397 | } |
398 | ||
81179eec JA |
399 | static int send_client_cmd_line(struct fio_client *client) |
400 | { | |
fa2ea806 JA |
401 | struct cmd_single_line_pdu *cslp; |
402 | struct cmd_line_pdu *clp; | |
403 | unsigned long offset; | |
7f868316 | 404 | unsigned int *lens; |
fa2ea806 JA |
405 | void *pdu; |
406 | size_t mem; | |
81179eec JA |
407 | int i, ret; |
408 | ||
39e8e016 | 409 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 410 | |
7f868316 JA |
411 | lens = malloc(client->argc * sizeof(unsigned int)); |
412 | ||
fa2ea806 JA |
413 | /* |
414 | * Find out how much mem we need | |
415 | */ | |
7f868316 JA |
416 | for (i = 0, mem = 0; i < client->argc; i++) { |
417 | lens[i] = strlen(client->argv[i]) + 1; | |
418 | mem += lens[i]; | |
419 | } | |
fa2ea806 JA |
420 | |
421 | /* | |
422 | * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu | |
423 | */ | |
424 | mem += sizeof(*clp) + (client->argc * sizeof(*cslp)); | |
425 | ||
426 | pdu = malloc(mem); | |
427 | clp = pdu; | |
428 | offset = sizeof(*clp); | |
429 | ||
430 | for (i = 0; i < client->argc; i++) { | |
7f868316 | 431 | uint16_t arg_len = lens[i]; |
fa2ea806 JA |
432 | |
433 | cslp = pdu + offset; | |
434 | strcpy((char *) cslp->text, client->argv[i]); | |
435 | cslp->len = cpu_to_le16(arg_len); | |
436 | offset += sizeof(*cslp) + arg_len; | |
437 | } | |
81179eec | 438 | |
7f868316 | 439 | free(lens); |
fa2ea806 | 440 | clp->lines = cpu_to_le16(client->argc); |
af9c9fb3 | 441 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0); |
81179eec JA |
442 | free(pdu); |
443 | return ret; | |
444 | } | |
445 | ||
a37f69b7 JA |
446 | int fio_clients_connect(void) |
447 | { | |
448 | struct fio_client *client; | |
449 | struct flist_head *entry, *tmp; | |
450 | int ret; | |
451 | ||
93bcfd20 BC |
452 | #ifdef WIN32 |
453 | WSADATA wsd; | |
454 | WSAStartup(MAKEWORD(2,2), &wsd); | |
455 | #endif | |
456 | ||
60efd14e JA |
457 | dprint(FD_NET, "client: connect all\n"); |
458 | ||
cc0df00a JA |
459 | client_signal_handler(); |
460 | ||
a37f69b7 JA |
461 | flist_for_each_safe(entry, tmp, &client_list) { |
462 | client = flist_entry(entry, struct fio_client, list); | |
463 | ||
464 | ret = fio_client_connect(client); | |
0b8f30a5 | 465 | if (ret) { |
a37f69b7 | 466 | remove_client(client); |
0b8f30a5 JA |
467 | continue; |
468 | } | |
469 | ||
470 | probe_client(client); | |
81179eec JA |
471 | |
472 | if (client->argc > 1) | |
473 | send_client_cmd_line(client); | |
a37f69b7 JA |
474 | } |
475 | ||
476 | return !nr_clients; | |
477 | } | |
478 | ||
132159a5 JA |
479 | /* |
480 | * Send file contents to server backend. We could use sendfile(), but to remain | |
481 | * more portable lets just read/write the darn thing. | |
482 | */ | |
a37f69b7 | 483 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
484 | { |
485 | struct stat sb; | |
486 | char *p, *buf; | |
487 | off_t len; | |
488 | int fd, ret; | |
489 | ||
46c48f1f JA |
490 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
491 | ||
132159a5 JA |
492 | fd = open(filename, O_RDONLY); |
493 | if (fd < 0) { | |
e951bdc4 | 494 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
495 | return 1; |
496 | } | |
497 | ||
498 | if (fstat(fd, &sb) < 0) { | |
499 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 500 | close(fd); |
132159a5 JA |
501 | return 1; |
502 | } | |
503 | ||
504 | buf = malloc(sb.st_size); | |
505 | ||
506 | len = sb.st_size; | |
507 | p = buf; | |
508 | do { | |
509 | ret = read(fd, p, len); | |
510 | if (ret > 0) { | |
511 | len -= ret; | |
512 | if (!len) | |
513 | break; | |
514 | p += ret; | |
515 | continue; | |
516 | } else if (!ret) | |
517 | break; | |
518 | else if (errno == EAGAIN || errno == EINTR) | |
519 | continue; | |
520 | } while (1); | |
521 | ||
0b8f30a5 JA |
522 | if (len) { |
523 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 524 | close(fd); |
c524ef72 | 525 | free(buf); |
0b8f30a5 JA |
526 | return 1; |
527 | } | |
528 | ||
c2cb6869 | 529 | client->sent_job = 1; |
af9c9fb3 | 530 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0); |
132159a5 | 531 | free(buf); |
b94cba47 | 532 | close(fd); |
132159a5 JA |
533 | return ret; |
534 | } | |
37db14fe | 535 | |
a37f69b7 JA |
536 | int fio_clients_send_ini(const char *filename) |
537 | { | |
538 | struct fio_client *client; | |
539 | struct flist_head *entry, *tmp; | |
540 | ||
541 | flist_for_each_safe(entry, tmp, &client_list) { | |
542 | client = flist_entry(entry, struct fio_client, list); | |
543 | ||
bd023601 JA |
544 | if (client->nr_ini_file) { |
545 | int i; | |
546 | ||
547 | for (i = 0; i < client->nr_ini_file; i++) { | |
548 | const char *ini = client->ini_file[i]; | |
549 | ||
550 | if (fio_client_send_ini(client, ini)) { | |
551 | remove_client(client); | |
552 | break; | |
553 | } | |
554 | } | |
555 | } else if (!filename || fio_client_send_ini(client, filename)) | |
a37f69b7 | 556 | remove_client(client); |
c2cb6869 JA |
557 | |
558 | client->sent_job = 1; | |
a37f69b7 JA |
559 | } |
560 | ||
561 | return !nr_clients; | |
562 | } | |
563 | ||
a64e88da JA |
564 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
565 | { | |
566 | dst->max_val = le64_to_cpu(src->max_val); | |
567 | dst->min_val = le64_to_cpu(src->min_val); | |
568 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
569 | |
570 | /* | |
571 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
572 | */ | |
573 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
574 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
575 | } |
576 | ||
577 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
578 | { | |
579 | int i, j; | |
580 | ||
581 | dst->error = le32_to_cpu(src->error); | |
582 | dst->groupid = le32_to_cpu(src->groupid); | |
583 | dst->pid = le32_to_cpu(src->pid); | |
584 | dst->members = le32_to_cpu(src->members); | |
585 | ||
586 | for (i = 0; i < 2; i++) { | |
587 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
588 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
589 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
590 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
591 | } | |
592 | ||
593 | dst->usr_time = le64_to_cpu(src->usr_time); | |
594 | dst->sys_time = le64_to_cpu(src->sys_time); | |
595 | dst->ctx = le64_to_cpu(src->ctx); | |
596 | dst->minf = le64_to_cpu(src->minf); | |
597 | dst->majf = le64_to_cpu(src->majf); | |
598 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
599 | |
600 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
601 | fio_fp64_t *fps = &src->percentile_list[i]; | |
602 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
603 | ||
604 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
605 | } | |
a64e88da JA |
606 | |
607 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
608 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
609 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
610 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
611 | } | |
612 | ||
613 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
614 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
615 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
616 | } | |
617 | ||
618 | for (i = 0; i < 2; i++) | |
619 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
620 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
621 | ||
622 | for (i = 0; i < 3; i++) { | |
623 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 624 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
625 | } |
626 | ||
627 | dst->total_submit = le64_to_cpu(src->total_submit); | |
628 | dst->total_complete = le64_to_cpu(src->total_complete); | |
629 | ||
630 | for (i = 0; i < 2; i++) { | |
631 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
632 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
633 | } | |
634 | ||
635 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
636 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
637 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
638 | dst->first_error = le32_to_cpu(src->first_error); |
639 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
640 | } |
641 | ||
642 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
643 | { | |
644 | int i; | |
645 | ||
646 | for (i = 0; i < 2; i++) { | |
647 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
648 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
649 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
650 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
651 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
652 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
653 | } | |
654 | ||
655 | dst->kb_base = le32_to_cpu(src->kb_base); | |
656 | dst->groupid = le32_to_cpu(src->groupid); | |
657 | } | |
658 | ||
659 | static void handle_ts(struct fio_net_cmd *cmd) | |
660 | { | |
661 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
662 | ||
663 | convert_ts(&p->ts, &p->ts); | |
664 | convert_gs(&p->rs, &p->rs); | |
665 | ||
666 | show_thread_status(&p->ts, &p->rs); | |
37f0c1ae JA |
667 | |
668 | if (sum_stat_clients == 1) | |
669 | return; | |
670 | ||
671 | sum_thread_stats(&client_ts, &p->ts, sum_stat_nr); | |
672 | sum_group_stats(&client_gs, &p->rs); | |
673 | ||
674 | client_ts.members++; | |
675 | client_ts.groupid = p->ts.groupid; | |
676 | ||
677 | if (++sum_stat_nr == sum_stat_clients) { | |
678 | strcpy(client_ts.name, "All clients"); | |
679 | show_thread_status(&client_ts, &client_gs); | |
680 | } | |
a64e88da JA |
681 | } |
682 | ||
683 | static void handle_gs(struct fio_net_cmd *cmd) | |
684 | { | |
685 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
686 | ||
687 | convert_gs(gs, gs); | |
688 | show_group_stats(gs); | |
689 | } | |
690 | ||
d09a64a0 JA |
691 | static void convert_agg(struct disk_util_agg *agg) |
692 | { | |
693 | int i; | |
694 | ||
695 | for (i = 0; i < 2; i++) { | |
696 | agg->ios[i] = le32_to_cpu(agg->ios[i]); | |
697 | agg->merges[i] = le32_to_cpu(agg->merges[i]); | |
698 | agg->sectors[i] = le64_to_cpu(agg->sectors[i]); | |
699 | agg->ticks[i] = le32_to_cpu(agg->ticks[i]); | |
700 | } | |
701 | ||
702 | agg->io_ticks = le32_to_cpu(agg->io_ticks); | |
703 | agg->time_in_queue = le32_to_cpu(agg->time_in_queue); | |
704 | agg->slavecount = le32_to_cpu(agg->slavecount); | |
823ba54b | 705 | agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i)); |
d09a64a0 JA |
706 | } |
707 | ||
708 | static void convert_dus(struct disk_util_stat *dus) | |
709 | { | |
710 | int i; | |
711 | ||
712 | for (i = 0; i < 2; i++) { | |
713 | dus->ios[i] = le32_to_cpu(dus->ios[i]); | |
714 | dus->merges[i] = le32_to_cpu(dus->merges[i]); | |
715 | dus->sectors[i] = le64_to_cpu(dus->sectors[i]); | |
716 | dus->ticks[i] = le32_to_cpu(dus->ticks[i]); | |
717 | } | |
718 | ||
719 | dus->io_ticks = le32_to_cpu(dus->io_ticks); | |
720 | dus->time_in_queue = le32_to_cpu(dus->time_in_queue); | |
721 | dus->msec = le64_to_cpu(dus->msec); | |
722 | } | |
723 | ||
724 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd) | |
725 | { | |
726 | struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; | |
727 | ||
728 | convert_dus(&du->dus); | |
729 | convert_agg(&du->agg); | |
730 | ||
731 | if (!client->disk_stats_shown) { | |
732 | client->disk_stats_shown = 1; | |
733 | log_info("\nDisk stats (read/write):\n"); | |
734 | } | |
735 | ||
f3afa57e | 736 | print_disk_util(&du->dus, &du->agg, output_format == FIO_OUTPUT_TERSE); |
d09a64a0 JA |
737 | } |
738 | ||
48fbb46e | 739 | static void convert_jobs_eta(struct jobs_eta *je) |
cf451d1e | 740 | { |
cf451d1e JA |
741 | int i; |
742 | ||
743 | je->nr_running = le32_to_cpu(je->nr_running); | |
744 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
745 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
746 | je->files_open = le32_to_cpu(je->files_open); | |
747 | je->m_rate = le32_to_cpu(je->m_rate); | |
748 | je->t_rate = le32_to_cpu(je->t_rate); | |
749 | je->m_iops = le32_to_cpu(je->m_iops); | |
750 | je->t_iops = le32_to_cpu(je->t_iops); | |
751 | ||
752 | for (i = 0; i < 2; i++) { | |
753 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
754 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
755 | } | |
756 | ||
b51eedb7 | 757 | je->elapsed_sec = le64_to_cpu(je->elapsed_sec); |
cf451d1e | 758 | je->eta_sec = le64_to_cpu(je->eta_sec); |
b7f05eb0 | 759 | je->is_pow2 = le32_to_cpu(je->is_pow2); |
48fbb46e JA |
760 | } |
761 | ||
af9c9fb3 | 762 | static void sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je) |
48fbb46e | 763 | { |
48fbb46e JA |
764 | int i; |
765 | ||
766 | dst->nr_running += je->nr_running; | |
767 | dst->nr_ramp += je->nr_ramp; | |
768 | dst->nr_pending += je->nr_pending; | |
769 | dst->files_open += je->files_open; | |
770 | dst->m_rate += je->m_rate; | |
771 | dst->t_rate += je->t_rate; | |
772 | dst->m_iops += je->m_iops; | |
773 | dst->t_iops += je->t_iops; | |
774 | ||
775 | for (i = 0; i < 2; i++) { | |
776 | dst->rate[i] += je->rate[i]; | |
777 | dst->iops[i] += je->iops[i]; | |
778 | } | |
779 | ||
780 | dst->elapsed_sec += je->elapsed_sec; | |
781 | ||
782 | if (je->eta_sec > dst->eta_sec) | |
783 | dst->eta_sec = je->eta_sec; | |
784 | } | |
785 | ||
82c1ed38 JA |
786 | static void dec_jobs_eta(struct client_eta *eta) |
787 | { | |
788 | if (!--eta->pending) { | |
789 | display_thread_status(&eta->eta); | |
790 | free(eta); | |
791 | } | |
792 | } | |
793 | ||
89c1707c JA |
794 | static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd) |
795 | { | |
796 | struct fio_net_int_cmd *icmd = NULL; | |
797 | struct flist_head *entry; | |
798 | ||
799 | flist_for_each(entry, &client->cmd_list) { | |
800 | icmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
801 | ||
df380934 | 802 | if (cmd->tag == (uintptr_t) icmd) |
89c1707c JA |
803 | break; |
804 | ||
805 | icmd = NULL; | |
806 | } | |
807 | ||
808 | if (!icmd) { | |
809 | log_err("fio: client: unable to find matching tag\n"); | |
810 | return; | |
811 | } | |
812 | ||
813 | flist_del(&icmd->list); | |
814 | cmd->tag = icmd->saved_tag; | |
815 | free(icmd); | |
816 | } | |
817 | ||
82c1ed38 | 818 | static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) |
48fbb46e JA |
819 | { |
820 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
df380934 | 821 | struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag; |
af9c9fb3 JA |
822 | |
823 | dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending); | |
cf451d1e | 824 | |
f77d2676 JA |
825 | assert(client->eta_in_flight == eta); |
826 | ||
827 | client->eta_in_flight = NULL; | |
82c1ed38 JA |
828 | flist_del_init(&client->eta_list); |
829 | ||
48fbb46e | 830 | convert_jobs_eta(je); |
af9c9fb3 | 831 | sum_jobs_eta(&eta->eta, je); |
82c1ed38 | 832 | dec_jobs_eta(eta); |
cf451d1e JA |
833 | } |
834 | ||
b5296ddb | 835 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
2e03b4b2 JA |
836 | { |
837 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
d2333358 JA |
838 | const char *os, *arch; |
839 | char bit[16]; | |
2e03b4b2 | 840 | |
cca84643 JA |
841 | os = fio_get_os_string(probe->os); |
842 | if (!os) | |
843 | os = "unknown"; | |
844 | ||
845 | arch = fio_get_arch_string(probe->arch); | |
846 | if (!arch) | |
847 | os = "unknown"; | |
848 | ||
d2333358 | 849 | sprintf(bit, "%d-bit", probe->bpp * 8); |
38fdef22 | 850 | |
0922d61f | 851 | log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s\n", |
38fdef22 | 852 | probe->hostname, probe->bigendian, bit, os, arch, |
0922d61f | 853 | probe->fio_version); |
b5296ddb JA |
854 | |
855 | if (!client->name) | |
856 | client->name = strdup((char *) probe->hostname); | |
2e03b4b2 JA |
857 | } |
858 | ||
11e950bd JA |
859 | static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd) |
860 | { | |
861 | struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; | |
862 | ||
863 | client->state = Client_started; | |
864 | client->jobs = le32_to_cpu(pdu->jobs); | |
865 | } | |
866 | ||
867 | static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd) | |
868 | { | |
869 | struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; | |
870 | ||
871 | client->state = Client_stopped; | |
872 | client->error = le32_to_cpu(pdu->error); | |
498c92c2 JA |
873 | |
874 | if (client->error) | |
875 | log_info("client <%s>: exited with error %d\n", client->hostname, client->error); | |
11e950bd JA |
876 | } |
877 | ||
e951bdc4 | 878 | static int handle_client(struct fio_client *client) |
37db14fe JA |
879 | { |
880 | struct fio_net_cmd *cmd; | |
881 | ||
60efd14e JA |
882 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
883 | ||
e951bdc4 JA |
884 | cmd = fio_net_recv_cmd(client->fd); |
885 | if (!cmd) | |
886 | return 0; | |
c2c94585 | 887 | |
89c1707c JA |
888 | dprint(FD_NET, "client: got cmd op %s from %s\n", |
889 | fio_server_op(cmd->opcode), client->hostname); | |
46c48f1f | 890 | |
e951bdc4 JA |
891 | switch (cmd->opcode) { |
892 | case FIO_NET_CMD_QUIT: | |
893 | remove_client(client); | |
894 | free(cmd); | |
895 | break; | |
896 | case FIO_NET_CMD_TEXT: { | |
897 | const char *buf = (const char *) cmd->payload; | |
b5296ddb | 898 | const char *name; |
e951bdc4 JA |
899 | int fio_unused ret; |
900 | ||
b5296ddb JA |
901 | name = client->name ? client->name : client->hostname; |
902 | ||
e951bdc4 | 903 | if (!client->skip_newline) |
b5296ddb | 904 | fprintf(f_out, "<%s> ", name); |
e951bdc4 JA |
905 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); |
906 | fflush(f_out); | |
907 | client->skip_newline = strchr(buf, '\n') == NULL; | |
908 | free(cmd); | |
909 | break; | |
37db14fe | 910 | } |
d09a64a0 JA |
911 | case FIO_NET_CMD_DU: |
912 | handle_du(client, cmd); | |
913 | free(cmd); | |
914 | break; | |
e951bdc4 JA |
915 | case FIO_NET_CMD_TS: |
916 | handle_ts(cmd); | |
917 | free(cmd); | |
918 | break; | |
919 | case FIO_NET_CMD_GS: | |
920 | handle_gs(cmd); | |
921 | free(cmd); | |
922 | break; | |
923 | case FIO_NET_CMD_ETA: | |
89c1707c | 924 | remove_reply_cmd(client, cmd); |
82c1ed38 | 925 | handle_eta(client, cmd); |
e951bdc4 JA |
926 | free(cmd); |
927 | break; | |
928 | case FIO_NET_CMD_PROBE: | |
89c1707c | 929 | remove_reply_cmd(client, cmd); |
b5296ddb | 930 | handle_probe(client, cmd); |
e951bdc4 JA |
931 | free(cmd); |
932 | break; | |
01be038e JA |
933 | case FIO_NET_CMD_RUN: |
934 | client->state = Client_running; | |
935 | free(cmd); | |
936 | break; | |
e951bdc4 | 937 | case FIO_NET_CMD_START: |
11e950bd | 938 | handle_start(client, cmd); |
e951bdc4 JA |
939 | free(cmd); |
940 | break; | |
941 | case FIO_NET_CMD_STOP: | |
11e950bd | 942 | handle_stop(client, cmd); |
e951bdc4 JA |
943 | free(cmd); |
944 | break; | |
945 | default: | |
89c1707c | 946 | log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode)); |
e951bdc4 JA |
947 | free(cmd); |
948 | break; | |
37db14fe JA |
949 | } |
950 | ||
e951bdc4 | 951 | return 1; |
37db14fe | 952 | } |
b66570dc | 953 | |
af9c9fb3 JA |
954 | static void request_client_etas(void) |
955 | { | |
956 | struct fio_client *client; | |
957 | struct flist_head *entry; | |
958 | struct client_eta *eta; | |
82c1ed38 | 959 | int skipped = 0; |
af9c9fb3 JA |
960 | |
961 | dprint(FD_NET, "client: request eta (%d)\n", nr_clients); | |
962 | ||
af9c9fb3 JA |
963 | eta = malloc(sizeof(*eta)); |
964 | memset(&eta->eta, 0, sizeof(eta->eta)); | |
965 | eta->pending = nr_clients; | |
966 | ||
967 | flist_for_each(entry, &client_list) { | |
968 | client = flist_entry(entry, struct fio_client, list); | |
969 | ||
82c1ed38 JA |
970 | if (!flist_empty(&client->eta_list)) { |
971 | skipped++; | |
972 | continue; | |
973 | } | |
01be038e JA |
974 | if (client->state != Client_running) |
975 | continue; | |
82c1ed38 | 976 | |
f77d2676 | 977 | assert(!client->eta_in_flight); |
82c1ed38 | 978 | flist_add_tail(&client->eta_list, &eta_list); |
f77d2676 | 979 | client->eta_in_flight = eta; |
af9c9fb3 | 980 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA, |
df380934 | 981 | (uintptr_t) eta, &client->cmd_list); |
af9c9fb3 JA |
982 | } |
983 | ||
82c1ed38 JA |
984 | while (skipped--) |
985 | dec_jobs_eta(eta); | |
986 | ||
af9c9fb3 JA |
987 | dprint(FD_NET, "client: requested eta tag %p\n", eta); |
988 | } | |
989 | ||
89c1707c JA |
990 | static int client_check_cmd_timeout(struct fio_client *client, |
991 | struct timeval *now) | |
992 | { | |
993 | struct fio_net_int_cmd *cmd; | |
994 | struct flist_head *entry, *tmp; | |
995 | int ret = 0; | |
996 | ||
997 | flist_for_each_safe(entry, tmp, &client->cmd_list) { | |
998 | cmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
999 | ||
1000 | if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT) | |
1001 | continue; | |
1002 | ||
1003 | log_err("fio: client %s, timeout on cmd %s\n", client->hostname, | |
1004 | fio_server_op(cmd->cmd.opcode)); | |
1005 | flist_del(&cmd->list); | |
1006 | free(cmd); | |
1007 | ret = 1; | |
1008 | } | |
1009 | ||
1010 | return flist_empty(&client->cmd_list) && ret; | |
1011 | } | |
1012 | ||
1013 | static int fio_client_timed_out(void) | |
1014 | { | |
1015 | struct fio_client *client; | |
1016 | struct flist_head *entry, *tmp; | |
1017 | struct timeval tv; | |
1018 | int ret = 0; | |
1019 | ||
1020 | gettimeofday(&tv, NULL); | |
1021 | ||
1022 | flist_for_each_safe(entry, tmp, &client_list) { | |
1023 | client = flist_entry(entry, struct fio_client, list); | |
1024 | ||
1025 | if (flist_empty(&client->cmd_list)) | |
1026 | continue; | |
1027 | ||
1028 | if (!client_check_cmd_timeout(client, &tv)) | |
1029 | continue; | |
1030 | ||
1031 | log_err("fio: client %s timed out\n", client->hostname); | |
1032 | remove_client(client); | |
1033 | ret = 1; | |
1034 | } | |
1035 | ||
1036 | return ret; | |
1037 | } | |
1038 | ||
b66570dc JA |
1039 | int fio_handle_clients(void) |
1040 | { | |
b66570dc | 1041 | struct pollfd *pfds; |
498c92c2 | 1042 | int i, ret = 0, retval = 0; |
b66570dc | 1043 | |
af9c9fb3 JA |
1044 | gettimeofday(&eta_tv, NULL); |
1045 | ||
b66570dc JA |
1046 | pfds = malloc(nr_clients * sizeof(struct pollfd)); |
1047 | ||
37f0c1ae JA |
1048 | sum_stat_clients = nr_clients; |
1049 | init_thread_stat(&client_ts); | |
1050 | init_group_run_stat(&client_gs); | |
1051 | ||
82a4be1b | 1052 | while (!exit_backend && nr_clients) { |
c2cb6869 JA |
1053 | struct flist_head *entry, *tmp; |
1054 | struct fio_client *client; | |
1055 | ||
82a4be1b | 1056 | i = 0; |
c2cb6869 | 1057 | flist_for_each_safe(entry, tmp, &client_list) { |
82a4be1b | 1058 | client = flist_entry(entry, struct fio_client, list); |
b66570dc | 1059 | |
c2cb6869 JA |
1060 | if (!client->sent_job && |
1061 | flist_empty(&client->cmd_list)) { | |
1062 | remove_client(client); | |
1063 | continue; | |
1064 | } | |
1065 | ||
82a4be1b JA |
1066 | pfds[i].fd = client->fd; |
1067 | pfds[i].events = POLLIN; | |
1068 | i++; | |
1069 | } | |
1070 | ||
c2cb6869 JA |
1071 | if (!nr_clients) |
1072 | break; | |
1073 | ||
82a4be1b | 1074 | assert(i == nr_clients); |
b66570dc | 1075 | |
5c2857f9 | 1076 | do { |
af9c9fb3 JA |
1077 | struct timeval tv; |
1078 | ||
1079 | gettimeofday(&tv, NULL); | |
1080 | if (mtime_since(&eta_tv, &tv) >= 900) { | |
1081 | request_client_etas(); | |
1082 | memcpy(&eta_tv, &tv, sizeof(tv)); | |
89c1707c JA |
1083 | |
1084 | if (fio_client_timed_out()) | |
1085 | break; | |
af9c9fb3 JA |
1086 | } |
1087 | ||
5c2857f9 JA |
1088 | ret = poll(pfds, nr_clients, 100); |
1089 | if (ret < 0) { | |
1090 | if (errno == EINTR) | |
1091 | continue; | |
1092 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
1093 | break; | |
1094 | } else if (!ret) | |
b66570dc | 1095 | continue; |
5c2857f9 | 1096 | } while (ret <= 0); |
b66570dc JA |
1097 | |
1098 | for (i = 0; i < nr_clients; i++) { | |
1099 | if (!(pfds[i].revents & POLLIN)) | |
1100 | continue; | |
1101 | ||
1102 | client = find_client_by_fd(pfds[i].fd); | |
1103 | if (!client) { | |
3c5f57e3 | 1104 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
1105 | continue; |
1106 | } | |
e951bdc4 | 1107 | if (!handle_client(client)) { |
28d3ab07 JA |
1108 | log_info("client: host=%s disconnected\n", |
1109 | client->hostname); | |
1110 | remove_client(client); | |
498c92c2 | 1111 | retval = 1; |
38990764 | 1112 | } else if (client->error) |
498c92c2 | 1113 | retval = 1; |
e55f8f30 | 1114 | put_client(client); |
b66570dc JA |
1115 | } |
1116 | } | |
1117 | ||
1118 | free(pfds); | |
498c92c2 | 1119 | return retval; |
b66570dc | 1120 | } |