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" | |
dd366728 | 19 | #include "client.h" |
132159a5 | 20 | #include "server.h" |
b66570dc | 21 | #include "flist.h" |
3c5f57e3 | 22 | #include "hash.h" |
132159a5 | 23 | |
dd366728 SC |
24 | static void fio_client_text_op(struct fio_client *client, |
25 | FILE *f, __u16 pdu_len, const char *buf) | |
26 | { | |
27 | const char *name; | |
28 | int fio_unused ret; | |
29 | ||
30 | name = client->name ? client->name : client->hostname; | |
31 | ||
32 | if (!client->skip_newline) | |
33 | fprintf(f, "<%s> ", name); | |
34 | ret = fwrite(buf, pdu_len, 1, f); | |
35 | fflush(f); | |
36 | client->skip_newline = strchr(buf, '\n') == NULL; | |
37 | } | |
38 | ||
39 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd); | |
40 | static void handle_ts(struct fio_net_cmd *cmd); | |
41 | static void handle_gs(struct fio_net_cmd *cmd); | |
42 | static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd); | |
43 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd); | |
44 | ||
45 | struct client_ops fio_client_ops = { | |
0420ba6a JA |
46 | .text_op = fio_client_text_op, |
47 | .disk_util = handle_du, | |
48 | .thread_status = handle_ts, | |
49 | .group_stats = handle_gs, | |
50 | .eta = handle_eta, | |
51 | .probe = handle_probe, | |
dd366728 SC |
52 | }; |
53 | ||
af9c9fb3 | 54 | static struct timeval eta_tv; |
48fbb46e | 55 | |
81179eec | 56 | enum { |
5c2857f9 | 57 | Client_created = 0, |
81179eec JA |
58 | Client_connected = 1, |
59 | Client_started = 2, | |
01be038e JA |
60 | Client_running = 3, |
61 | Client_stopped = 4, | |
62 | Client_exited = 5, | |
b66570dc JA |
63 | }; |
64 | ||
65 | static FLIST_HEAD(client_list); | |
82c1ed38 | 66 | static FLIST_HEAD(eta_list); |
b66570dc | 67 | |
3f3a4542 JA |
68 | static FLIST_HEAD(arg_list); |
69 | ||
37f0c1ae JA |
70 | static struct thread_stat client_ts; |
71 | static struct group_run_stats client_gs; | |
72 | static int sum_stat_clients; | |
73 | static int sum_stat_nr; | |
74 | ||
3c5f57e3 JA |
75 | #define FIO_CLIENT_HASH_BITS 7 |
76 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
77 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
bebe6398 | 78 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
3c5f57e3 | 79 | |
bebe6398 | 80 | static void fio_client_add_hash(struct fio_client *client) |
3c5f57e3 JA |
81 | { |
82 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
83 | ||
84 | bucket &= FIO_CLIENT_HASH_MASK; | |
bebe6398 | 85 | flist_add(&client->hash_list, &client_hash[bucket]); |
3c5f57e3 JA |
86 | } |
87 | ||
bebe6398 | 88 | static void fio_client_remove_hash(struct fio_client *client) |
3c5f57e3 | 89 | { |
bebe6398 JA |
90 | if (!flist_empty(&client->hash_list)) |
91 | flist_del_init(&client->hash_list); | |
3c5f57e3 JA |
92 | } |
93 | ||
94 | static void fio_init fio_client_hash_init(void) | |
95 | { | |
96 | int i; | |
97 | ||
bebe6398 JA |
98 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
99 | INIT_FLIST_HEAD(&client_hash[i]); | |
3c5f57e3 JA |
100 | } |
101 | ||
b66570dc JA |
102 | static struct fio_client *find_client_by_fd(int fd) |
103 | { | |
3c5f57e3 | 104 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
105 | struct fio_client *client; |
106 | struct flist_head *entry; | |
107 | ||
bebe6398 JA |
108 | flist_for_each(entry, &client_hash[bucket]) { |
109 | client = flist_entry(entry, struct fio_client, hash_list); | |
b66570dc JA |
110 | |
111 | if (client->fd == fd) | |
112 | return client; | |
113 | } | |
114 | ||
115 | return NULL; | |
116 | } | |
117 | ||
b66570dc JA |
118 | static void remove_client(struct fio_client *client) |
119 | { | |
39e8e016 | 120 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 121 | flist_del(&client->list); |
3c5f57e3 | 122 | |
bebe6398 | 123 | fio_client_remove_hash(client); |
81179eec | 124 | |
82c1ed38 JA |
125 | if (!flist_empty(&client->eta_list)) { |
126 | flist_del_init(&client->eta_list); | |
3e47bd25 | 127 | fio_client_dec_jobs_eta(client->eta_in_flight, display_thread_status); |
82c1ed38 | 128 | } |
af9c9fb3 | 129 | |
b66570dc | 130 | free(client->hostname); |
81179eec JA |
131 | if (client->argv) |
132 | free(client->argv); | |
b5296ddb JA |
133 | if (client->name) |
134 | free(client->name); | |
81179eec | 135 | |
b66570dc | 136 | free(client); |
3c5f57e3 | 137 | nr_clients--; |
5fd0acbd | 138 | sum_stat_clients--; |
b66570dc | 139 | } |
132159a5 | 140 | |
fa2ea806 JA |
141 | static void __fio_client_add_cmd_option(struct fio_client *client, |
142 | const char *opt) | |
81179eec | 143 | { |
39e8e016 JA |
144 | int index; |
145 | ||
146 | index = client->argc++; | |
81179eec | 147 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
148 | client->argv[index] = strdup(opt); |
149 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
81179eec JA |
150 | } |
151 | ||
fa2ea806 | 152 | void fio_client_add_cmd_option(void *cookie, const char *opt) |
81179eec | 153 | { |
bebe6398 | 154 | struct fio_client *client = cookie; |
3f3a4542 | 155 | struct flist_head *entry; |
81179eec | 156 | |
bebe6398 | 157 | if (!client || !opt) |
fa2ea806 | 158 | return; |
81179eec | 159 | |
fa2ea806 | 160 | __fio_client_add_cmd_option(client, opt); |
3f3a4542 JA |
161 | |
162 | /* | |
163 | * Duplicate arguments to shared client group | |
164 | */ | |
165 | flist_for_each(entry, &arg_list) { | |
166 | client = flist_entry(entry, struct fio_client, arg_list); | |
167 | ||
168 | __fio_client_add_cmd_option(client, opt); | |
169 | } | |
81179eec JA |
170 | } |
171 | ||
3ec62ec4 JA |
172 | struct fio_client *fio_client_add_explicit(const char *hostname, int type, |
173 | int port) | |
174 | { | |
175 | struct fio_client *client; | |
176 | ||
177 | client = malloc(sizeof(*client)); | |
178 | memset(client, 0, sizeof(*client)); | |
179 | ||
180 | INIT_FLIST_HEAD(&client->list); | |
181 | INIT_FLIST_HEAD(&client->hash_list); | |
182 | INIT_FLIST_HEAD(&client->arg_list); | |
183 | INIT_FLIST_HEAD(&client->eta_list); | |
184 | INIT_FLIST_HEAD(&client->cmd_list); | |
185 | ||
186 | client->hostname = strdup(hostname); | |
187 | ||
188 | if (type == Fio_client_socket) | |
189 | client->is_sock = 1; | |
190 | else { | |
191 | int ipv6; | |
192 | ||
193 | ipv6 = type == Fio_client_ipv6; | |
194 | if (fio_server_parse_host(hostname, &ipv6, | |
195 | &client->addr.sin_addr, | |
196 | &client->addr6.sin6_addr)) | |
197 | goto err; | |
198 | ||
199 | client->port = port; | |
200 | } | |
201 | ||
202 | client->fd = -1; | |
203 | ||
204 | __fio_client_add_cmd_option(client, "fio"); | |
205 | ||
206 | flist_add(&client->list, &client_list); | |
207 | nr_clients++; | |
208 | dprint(FD_NET, "client: added <%s>\n", client->hostname); | |
209 | return client; | |
210 | err: | |
211 | free(client); | |
212 | return NULL; | |
213 | } | |
214 | ||
bebe6398 | 215 | int fio_client_add(const char *hostname, void **cookie) |
132159a5 | 216 | { |
3f3a4542 | 217 | struct fio_client *existing = *cookie; |
b66570dc | 218 | struct fio_client *client; |
132159a5 | 219 | |
3f3a4542 JA |
220 | if (existing) { |
221 | /* | |
222 | * We always add our "exec" name as the option, hence 1 | |
223 | * means empty. | |
224 | */ | |
225 | if (existing->argc == 1) | |
226 | flist_add_tail(&existing->arg_list, &arg_list); | |
227 | else { | |
228 | while (!flist_empty(&arg_list)) | |
229 | flist_del_init(arg_list.next); | |
230 | } | |
231 | } | |
232 | ||
b66570dc | 233 | client = malloc(sizeof(*client)); |
a37f69b7 | 234 | memset(client, 0, sizeof(*client)); |
81179eec | 235 | |
3c5f57e3 | 236 | INIT_FLIST_HEAD(&client->list); |
bebe6398 | 237 | INIT_FLIST_HEAD(&client->hash_list); |
3f3a4542 | 238 | INIT_FLIST_HEAD(&client->arg_list); |
82c1ed38 | 239 | INIT_FLIST_HEAD(&client->eta_list); |
89c1707c | 240 | INIT_FLIST_HEAD(&client->cmd_list); |
3c5f57e3 | 241 | |
bebe6398 JA |
242 | if (fio_server_parse_string(hostname, &client->hostname, |
243 | &client->is_sock, &client->port, | |
811826be JA |
244 | &client->addr.sin_addr, |
245 | &client->addr6.sin6_addr, | |
246 | &client->ipv6)) | |
bebe6398 | 247 | return -1; |
87aa8f19 | 248 | |
bebe6398 | 249 | client->fd = -1; |
3c5f57e3 | 250 | |
81179eec JA |
251 | __fio_client_add_cmd_option(client, "fio"); |
252 | ||
a37f69b7 JA |
253 | flist_add(&client->list, &client_list); |
254 | nr_clients++; | |
bebe6398 JA |
255 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
256 | *cookie = client; | |
257 | return 0; | |
a37f69b7 JA |
258 | } |
259 | ||
87aa8f19 | 260 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 | 261 | { |
811826be JA |
262 | struct sockaddr *addr; |
263 | fio_socklen_t socklen; | |
264 | int fd, domain; | |
265 | ||
266 | if (client->ipv6) { | |
267 | client->addr6.sin6_family = AF_INET6; | |
268 | client->addr6.sin6_port = htons(client->port); | |
269 | domain = AF_INET6; | |
270 | addr = (struct sockaddr *) &client->addr6; | |
271 | socklen = sizeof(client->addr6); | |
272 | } else { | |
273 | client->addr.sin_family = AF_INET; | |
274 | client->addr.sin_port = htons(client->port); | |
275 | domain = AF_INET; | |
276 | addr = (struct sockaddr *) &client->addr; | |
277 | socklen = sizeof(client->addr); | |
278 | } | |
132159a5 | 279 | |
811826be | 280 | fd = socket(domain, SOCK_STREAM, 0); |
132159a5 JA |
281 | if (fd < 0) { |
282 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 283 | return -1; |
132159a5 JA |
284 | } |
285 | ||
811826be | 286 | if (connect(fd, addr, socklen) < 0) { |
132159a5 | 287 | log_err("fio: connect: %s\n", strerror(errno)); |
a7de0a11 JA |
288 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
289 | client->port); | |
b94cba47 | 290 | close(fd); |
87aa8f19 JA |
291 | return -1; |
292 | } | |
293 | ||
294 | return fd; | |
295 | } | |
296 | ||
297 | static int fio_client_connect_sock(struct fio_client *client) | |
298 | { | |
299 | struct sockaddr_un *addr = &client->addr_un; | |
300 | fio_socklen_t len; | |
301 | int fd; | |
302 | ||
303 | memset(addr, 0, sizeof(*addr)); | |
304 | addr->sun_family = AF_UNIX; | |
305 | strcpy(addr->sun_path, client->hostname); | |
306 | ||
307 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
308 | if (fd < 0) { | |
309 | log_err("fio: socket: %s\n", strerror(errno)); | |
310 | return -1; | |
311 | } | |
312 | ||
313 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
314 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
315 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 316 | close(fd); |
87aa8f19 | 317 | return -1; |
132159a5 JA |
318 | } |
319 | ||
87aa8f19 JA |
320 | return fd; |
321 | } | |
322 | ||
323 | static int fio_client_connect(struct fio_client *client) | |
324 | { | |
325 | int fd; | |
326 | ||
327 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
328 | ||
87aa8f19 JA |
329 | if (client->is_sock) |
330 | fd = fio_client_connect_sock(client); | |
331 | else | |
332 | fd = fio_client_connect_ip(client); | |
333 | ||
89c1707c JA |
334 | dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd); |
335 | ||
87aa8f19 JA |
336 | if (fd < 0) |
337 | return 1; | |
338 | ||
b66570dc | 339 | client->fd = fd; |
bebe6398 | 340 | fio_client_add_hash(client); |
81179eec | 341 | client->state = Client_connected; |
132159a5 JA |
342 | return 0; |
343 | } | |
344 | ||
cc0df00a JA |
345 | void fio_clients_terminate(void) |
346 | { | |
347 | struct flist_head *entry; | |
348 | struct fio_client *client; | |
349 | ||
60efd14e JA |
350 | dprint(FD_NET, "client: terminate clients\n"); |
351 | ||
cc0df00a JA |
352 | flist_for_each(entry, &client_list) { |
353 | client = flist_entry(entry, struct fio_client, list); | |
354 | ||
89c1707c | 355 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL); |
cc0df00a JA |
356 | } |
357 | } | |
358 | ||
359 | static void sig_int(int sig) | |
360 | { | |
bebe6398 | 361 | dprint(FD_NET, "client: got signal %d\n", sig); |
cc0df00a JA |
362 | fio_clients_terminate(); |
363 | } | |
364 | ||
365 | static void client_signal_handler(void) | |
366 | { | |
367 | struct sigaction act; | |
368 | ||
369 | memset(&act, 0, sizeof(act)); | |
370 | act.sa_handler = sig_int; | |
371 | act.sa_flags = SA_RESTART; | |
372 | sigaction(SIGINT, &act, NULL); | |
373 | ||
374 | memset(&act, 0, sizeof(act)); | |
375 | act.sa_handler = sig_int; | |
376 | act.sa_flags = SA_RESTART; | |
377 | sigaction(SIGTERM, &act, NULL); | |
378 | } | |
379 | ||
0b8f30a5 JA |
380 | static void probe_client(struct fio_client *client) |
381 | { | |
60efd14e JA |
382 | dprint(FD_NET, "client: send probe\n"); |
383 | ||
89c1707c | 384 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list); |
0b8f30a5 JA |
385 | } |
386 | ||
81179eec JA |
387 | static int send_client_cmd_line(struct fio_client *client) |
388 | { | |
fa2ea806 JA |
389 | struct cmd_single_line_pdu *cslp; |
390 | struct cmd_line_pdu *clp; | |
391 | unsigned long offset; | |
7f868316 | 392 | unsigned int *lens; |
fa2ea806 JA |
393 | void *pdu; |
394 | size_t mem; | |
81179eec JA |
395 | int i, ret; |
396 | ||
39e8e016 | 397 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 398 | |
7f868316 JA |
399 | lens = malloc(client->argc * sizeof(unsigned int)); |
400 | ||
fa2ea806 JA |
401 | /* |
402 | * Find out how much mem we need | |
403 | */ | |
7f868316 JA |
404 | for (i = 0, mem = 0; i < client->argc; i++) { |
405 | lens[i] = strlen(client->argv[i]) + 1; | |
406 | mem += lens[i]; | |
407 | } | |
fa2ea806 JA |
408 | |
409 | /* | |
410 | * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu | |
411 | */ | |
412 | mem += sizeof(*clp) + (client->argc * sizeof(*cslp)); | |
413 | ||
414 | pdu = malloc(mem); | |
415 | clp = pdu; | |
416 | offset = sizeof(*clp); | |
417 | ||
418 | for (i = 0; i < client->argc; i++) { | |
7f868316 | 419 | uint16_t arg_len = lens[i]; |
fa2ea806 JA |
420 | |
421 | cslp = pdu + offset; | |
422 | strcpy((char *) cslp->text, client->argv[i]); | |
423 | cslp->len = cpu_to_le16(arg_len); | |
424 | offset += sizeof(*cslp) + arg_len; | |
425 | } | |
81179eec | 426 | |
7f868316 | 427 | free(lens); |
fa2ea806 | 428 | clp->lines = cpu_to_le16(client->argc); |
af9c9fb3 | 429 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0); |
81179eec JA |
430 | free(pdu); |
431 | return ret; | |
432 | } | |
433 | ||
a37f69b7 JA |
434 | int fio_clients_connect(void) |
435 | { | |
436 | struct fio_client *client; | |
437 | struct flist_head *entry, *tmp; | |
438 | int ret; | |
439 | ||
93bcfd20 BC |
440 | #ifdef WIN32 |
441 | WSADATA wsd; | |
442 | WSAStartup(MAKEWORD(2,2), &wsd); | |
443 | #endif | |
444 | ||
60efd14e JA |
445 | dprint(FD_NET, "client: connect all\n"); |
446 | ||
cc0df00a JA |
447 | client_signal_handler(); |
448 | ||
a37f69b7 JA |
449 | flist_for_each_safe(entry, tmp, &client_list) { |
450 | client = flist_entry(entry, struct fio_client, list); | |
451 | ||
452 | ret = fio_client_connect(client); | |
0b8f30a5 | 453 | if (ret) { |
a37f69b7 | 454 | remove_client(client); |
0b8f30a5 JA |
455 | continue; |
456 | } | |
457 | ||
458 | probe_client(client); | |
81179eec JA |
459 | |
460 | if (client->argc > 1) | |
461 | send_client_cmd_line(client); | |
a37f69b7 JA |
462 | } |
463 | ||
464 | return !nr_clients; | |
465 | } | |
466 | ||
132159a5 JA |
467 | /* |
468 | * Send file contents to server backend. We could use sendfile(), but to remain | |
469 | * more portable lets just read/write the darn thing. | |
470 | */ | |
a37f69b7 | 471 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
472 | { |
473 | struct stat sb; | |
474 | char *p, *buf; | |
475 | off_t len; | |
476 | int fd, ret; | |
477 | ||
46c48f1f JA |
478 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
479 | ||
132159a5 JA |
480 | fd = open(filename, O_RDONLY); |
481 | if (fd < 0) { | |
e951bdc4 | 482 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
483 | return 1; |
484 | } | |
485 | ||
486 | if (fstat(fd, &sb) < 0) { | |
487 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 488 | close(fd); |
132159a5 JA |
489 | return 1; |
490 | } | |
491 | ||
492 | buf = malloc(sb.st_size); | |
493 | ||
494 | len = sb.st_size; | |
495 | p = buf; | |
496 | do { | |
497 | ret = read(fd, p, len); | |
498 | if (ret > 0) { | |
499 | len -= ret; | |
500 | if (!len) | |
501 | break; | |
502 | p += ret; | |
503 | continue; | |
504 | } else if (!ret) | |
505 | break; | |
506 | else if (errno == EAGAIN || errno == EINTR) | |
507 | continue; | |
508 | } while (1); | |
509 | ||
0b8f30a5 JA |
510 | if (len) { |
511 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 512 | close(fd); |
c524ef72 | 513 | free(buf); |
0b8f30a5 JA |
514 | return 1; |
515 | } | |
516 | ||
c2cb6869 | 517 | client->sent_job = 1; |
af9c9fb3 | 518 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0); |
132159a5 | 519 | free(buf); |
b94cba47 | 520 | close(fd); |
132159a5 JA |
521 | return ret; |
522 | } | |
37db14fe | 523 | |
a37f69b7 JA |
524 | int fio_clients_send_ini(const char *filename) |
525 | { | |
526 | struct fio_client *client; | |
527 | struct flist_head *entry, *tmp; | |
528 | ||
529 | flist_for_each_safe(entry, tmp, &client_list) { | |
530 | client = flist_entry(entry, struct fio_client, list); | |
531 | ||
532 | if (fio_client_send_ini(client, filename)) | |
533 | remove_client(client); | |
c2cb6869 JA |
534 | |
535 | client->sent_job = 1; | |
a37f69b7 JA |
536 | } |
537 | ||
538 | return !nr_clients; | |
539 | } | |
540 | ||
a64e88da JA |
541 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
542 | { | |
543 | dst->max_val = le64_to_cpu(src->max_val); | |
544 | dst->min_val = le64_to_cpu(src->min_val); | |
545 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
546 | |
547 | /* | |
548 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
549 | */ | |
550 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
551 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
552 | } |
553 | ||
554 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
555 | { | |
556 | int i, j; | |
557 | ||
558 | dst->error = le32_to_cpu(src->error); | |
559 | dst->groupid = le32_to_cpu(src->groupid); | |
560 | dst->pid = le32_to_cpu(src->pid); | |
561 | dst->members = le32_to_cpu(src->members); | |
562 | ||
563 | for (i = 0; i < 2; i++) { | |
564 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
565 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
566 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
567 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
568 | } | |
569 | ||
570 | dst->usr_time = le64_to_cpu(src->usr_time); | |
571 | dst->sys_time = le64_to_cpu(src->sys_time); | |
572 | dst->ctx = le64_to_cpu(src->ctx); | |
573 | dst->minf = le64_to_cpu(src->minf); | |
574 | dst->majf = le64_to_cpu(src->majf); | |
575 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
576 | |
577 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
578 | fio_fp64_t *fps = &src->percentile_list[i]; | |
579 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
580 | ||
581 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
582 | } | |
a64e88da JA |
583 | |
584 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
585 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
586 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
587 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
588 | } | |
589 | ||
590 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
591 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
592 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
593 | } | |
594 | ||
595 | for (i = 0; i < 2; i++) | |
596 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
597 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
598 | ||
599 | for (i = 0; i < 3; i++) { | |
600 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 601 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
602 | } |
603 | ||
604 | dst->total_submit = le64_to_cpu(src->total_submit); | |
605 | dst->total_complete = le64_to_cpu(src->total_complete); | |
606 | ||
607 | for (i = 0; i < 2; i++) { | |
608 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
609 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
610 | } | |
611 | ||
612 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
613 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
614 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
615 | dst->first_error = le32_to_cpu(src->first_error); |
616 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
617 | } |
618 | ||
619 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
620 | { | |
621 | int i; | |
622 | ||
623 | for (i = 0; i < 2; i++) { | |
624 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
625 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
626 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
627 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
628 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
629 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
630 | } | |
631 | ||
632 | dst->kb_base = le32_to_cpu(src->kb_base); | |
633 | dst->groupid = le32_to_cpu(src->groupid); | |
634 | } | |
635 | ||
636 | static void handle_ts(struct fio_net_cmd *cmd) | |
637 | { | |
638 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
639 | ||
640 | convert_ts(&p->ts, &p->ts); | |
641 | convert_gs(&p->rs, &p->rs); | |
642 | ||
643 | show_thread_status(&p->ts, &p->rs); | |
37f0c1ae JA |
644 | |
645 | if (sum_stat_clients == 1) | |
646 | return; | |
647 | ||
648 | sum_thread_stats(&client_ts, &p->ts, sum_stat_nr); | |
649 | sum_group_stats(&client_gs, &p->rs); | |
650 | ||
651 | client_ts.members++; | |
652 | client_ts.groupid = p->ts.groupid; | |
653 | ||
654 | if (++sum_stat_nr == sum_stat_clients) { | |
655 | strcpy(client_ts.name, "All clients"); | |
656 | show_thread_status(&client_ts, &client_gs); | |
657 | } | |
a64e88da JA |
658 | } |
659 | ||
660 | static void handle_gs(struct fio_net_cmd *cmd) | |
661 | { | |
662 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
663 | ||
664 | convert_gs(gs, gs); | |
665 | show_group_stats(gs); | |
666 | } | |
667 | ||
d09a64a0 JA |
668 | static void convert_agg(struct disk_util_agg *agg) |
669 | { | |
670 | int i; | |
671 | ||
672 | for (i = 0; i < 2; i++) { | |
673 | agg->ios[i] = le32_to_cpu(agg->ios[i]); | |
674 | agg->merges[i] = le32_to_cpu(agg->merges[i]); | |
675 | agg->sectors[i] = le64_to_cpu(agg->sectors[i]); | |
676 | agg->ticks[i] = le32_to_cpu(agg->ticks[i]); | |
677 | } | |
678 | ||
679 | agg->io_ticks = le32_to_cpu(agg->io_ticks); | |
680 | agg->time_in_queue = le32_to_cpu(agg->time_in_queue); | |
681 | agg->slavecount = le32_to_cpu(agg->slavecount); | |
823ba54b | 682 | agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i)); |
d09a64a0 JA |
683 | } |
684 | ||
685 | static void convert_dus(struct disk_util_stat *dus) | |
686 | { | |
687 | int i; | |
688 | ||
689 | for (i = 0; i < 2; i++) { | |
690 | dus->ios[i] = le32_to_cpu(dus->ios[i]); | |
691 | dus->merges[i] = le32_to_cpu(dus->merges[i]); | |
692 | dus->sectors[i] = le64_to_cpu(dus->sectors[i]); | |
693 | dus->ticks[i] = le32_to_cpu(dus->ticks[i]); | |
694 | } | |
695 | ||
696 | dus->io_ticks = le32_to_cpu(dus->io_ticks); | |
697 | dus->time_in_queue = le32_to_cpu(dus->time_in_queue); | |
698 | dus->msec = le64_to_cpu(dus->msec); | |
699 | } | |
700 | ||
701 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd) | |
702 | { | |
703 | struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; | |
704 | ||
705 | convert_dus(&du->dus); | |
706 | convert_agg(&du->agg); | |
707 | ||
708 | if (!client->disk_stats_shown) { | |
709 | client->disk_stats_shown = 1; | |
710 | log_info("\nDisk stats (read/write):\n"); | |
711 | } | |
712 | ||
f2f788dd | 713 | print_disk_util(&du->dus, &du->agg, terse_output); |
d09a64a0 JA |
714 | } |
715 | ||
3e47bd25 | 716 | void fio_client_convert_jobs_eta(struct jobs_eta *je) |
cf451d1e | 717 | { |
cf451d1e JA |
718 | int i; |
719 | ||
720 | je->nr_running = le32_to_cpu(je->nr_running); | |
721 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
722 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
723 | je->files_open = le32_to_cpu(je->files_open); | |
cf451d1e JA |
724 | |
725 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
726 | je->m_rate[i] = le32_to_cpu(je->m_rate[i]); |
727 | je->t_rate[i] = le32_to_cpu(je->t_rate[i]); | |
728 | je->m_iops[i] = le32_to_cpu(je->m_iops[i]); | |
729 | je->t_iops[i] = le32_to_cpu(je->t_iops[i]); | |
cf451d1e JA |
730 | je->rate[i] = le32_to_cpu(je->rate[i]); |
731 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
732 | } | |
733 | ||
b51eedb7 | 734 | je->elapsed_sec = le64_to_cpu(je->elapsed_sec); |
cf451d1e | 735 | je->eta_sec = le64_to_cpu(je->eta_sec); |
48fbb46e JA |
736 | } |
737 | ||
3e47bd25 | 738 | void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je) |
48fbb46e | 739 | { |
48fbb46e JA |
740 | int i; |
741 | ||
742 | dst->nr_running += je->nr_running; | |
743 | dst->nr_ramp += je->nr_ramp; | |
744 | dst->nr_pending += je->nr_pending; | |
745 | dst->files_open += je->files_open; | |
48fbb46e JA |
746 | |
747 | for (i = 0; i < 2; i++) { | |
3e47bd25 JA |
748 | dst->m_rate[i] += je->m_rate[i]; |
749 | dst->t_rate[i] += je->t_rate[i]; | |
750 | dst->m_iops[i] += je->m_iops[i]; | |
751 | dst->t_iops[i] += je->t_iops[i]; | |
48fbb46e JA |
752 | dst->rate[i] += je->rate[i]; |
753 | dst->iops[i] += je->iops[i]; | |
754 | } | |
755 | ||
756 | dst->elapsed_sec += je->elapsed_sec; | |
757 | ||
758 | if (je->eta_sec > dst->eta_sec) | |
759 | dst->eta_sec = je->eta_sec; | |
760 | } | |
761 | ||
3e47bd25 | 762 | void fio_client_dec_jobs_eta(struct client_eta *eta, void (*fn)(struct jobs_eta *)) |
82c1ed38 JA |
763 | { |
764 | if (!--eta->pending) { | |
3e47bd25 | 765 | fn(&eta->eta); |
82c1ed38 JA |
766 | free(eta); |
767 | } | |
768 | } | |
769 | ||
89c1707c JA |
770 | static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd) |
771 | { | |
772 | struct fio_net_int_cmd *icmd = NULL; | |
773 | struct flist_head *entry; | |
774 | ||
775 | flist_for_each(entry, &client->cmd_list) { | |
776 | icmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
777 | ||
df380934 | 778 | if (cmd->tag == (uintptr_t) icmd) |
89c1707c JA |
779 | break; |
780 | ||
781 | icmd = NULL; | |
782 | } | |
783 | ||
784 | if (!icmd) { | |
785 | log_err("fio: client: unable to find matching tag\n"); | |
786 | return; | |
787 | } | |
788 | ||
789 | flist_del(&icmd->list); | |
790 | cmd->tag = icmd->saved_tag; | |
791 | free(icmd); | |
792 | } | |
793 | ||
82c1ed38 | 794 | static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) |
48fbb46e JA |
795 | { |
796 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
df380934 | 797 | struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag; |
af9c9fb3 JA |
798 | |
799 | dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending); | |
cf451d1e | 800 | |
f77d2676 JA |
801 | assert(client->eta_in_flight == eta); |
802 | ||
803 | client->eta_in_flight = NULL; | |
82c1ed38 JA |
804 | flist_del_init(&client->eta_list); |
805 | ||
3e47bd25 JA |
806 | fio_client_convert_jobs_eta(je); |
807 | fio_client_sum_jobs_eta(&eta->eta, je); | |
808 | fio_client_dec_jobs_eta(eta, display_thread_status); | |
cf451d1e JA |
809 | } |
810 | ||
b5296ddb | 811 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
2e03b4b2 JA |
812 | { |
813 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
d2333358 JA |
814 | const char *os, *arch; |
815 | char bit[16]; | |
2e03b4b2 | 816 | |
cca84643 JA |
817 | os = fio_get_os_string(probe->os); |
818 | if (!os) | |
819 | os = "unknown"; | |
820 | ||
821 | arch = fio_get_arch_string(probe->arch); | |
822 | if (!arch) | |
823 | os = "unknown"; | |
824 | ||
d2333358 | 825 | sprintf(bit, "%d-bit", probe->bpp * 8); |
38fdef22 JA |
826 | |
827 | log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n", | |
828 | probe->hostname, probe->bigendian, bit, os, arch, | |
829 | probe->fio_major, probe->fio_minor, probe->fio_patch); | |
b5296ddb JA |
830 | |
831 | if (!client->name) | |
832 | client->name = strdup((char *) probe->hostname); | |
2e03b4b2 JA |
833 | } |
834 | ||
11e950bd JA |
835 | static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd) |
836 | { | |
837 | struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; | |
838 | ||
839 | client->state = Client_started; | |
840 | client->jobs = le32_to_cpu(pdu->jobs); | |
841 | } | |
842 | ||
843 | static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd) | |
844 | { | |
845 | struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; | |
846 | ||
847 | client->state = Client_stopped; | |
848 | client->error = le32_to_cpu(pdu->error); | |
498c92c2 JA |
849 | |
850 | if (client->error) | |
851 | log_info("client <%s>: exited with error %d\n", client->hostname, client->error); | |
11e950bd JA |
852 | } |
853 | ||
3e47bd25 | 854 | int fio_handle_client(struct fio_client *client, struct client_ops *ops) |
37db14fe JA |
855 | { |
856 | struct fio_net_cmd *cmd; | |
857 | ||
60efd14e JA |
858 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
859 | ||
e951bdc4 JA |
860 | cmd = fio_net_recv_cmd(client->fd); |
861 | if (!cmd) | |
862 | return 0; | |
c2c94585 | 863 | |
89c1707c JA |
864 | dprint(FD_NET, "client: got cmd op %s from %s\n", |
865 | fio_server_op(cmd->opcode), client->hostname); | |
46c48f1f | 866 | |
e951bdc4 JA |
867 | switch (cmd->opcode) { |
868 | case FIO_NET_CMD_QUIT: | |
3ec62ec4 JA |
869 | if (ops->quit) |
870 | ops->quit(client); | |
e951bdc4 JA |
871 | remove_client(client); |
872 | free(cmd); | |
873 | break; | |
874 | case FIO_NET_CMD_TEXT: { | |
875 | const char *buf = (const char *) cmd->payload; | |
dd366728 | 876 | ops->text_op(client, f_out, cmd->pdu_len, buf); |
e951bdc4 JA |
877 | free(cmd); |
878 | break; | |
37db14fe | 879 | } |
d09a64a0 | 880 | case FIO_NET_CMD_DU: |
dd366728 | 881 | ops->disk_util(client, cmd); |
d09a64a0 JA |
882 | free(cmd); |
883 | break; | |
e951bdc4 | 884 | case FIO_NET_CMD_TS: |
dd366728 | 885 | ops->thread_status(cmd); |
e951bdc4 JA |
886 | free(cmd); |
887 | break; | |
888 | case FIO_NET_CMD_GS: | |
dd366728 | 889 | ops->group_stats(cmd); |
e951bdc4 JA |
890 | free(cmd); |
891 | break; | |
892 | case FIO_NET_CMD_ETA: | |
89c1707c | 893 | remove_reply_cmd(client, cmd); |
dd366728 | 894 | ops->eta(client, cmd); |
e951bdc4 JA |
895 | free(cmd); |
896 | break; | |
897 | case FIO_NET_CMD_PROBE: | |
89c1707c | 898 | remove_reply_cmd(client, cmd); |
dd366728 | 899 | ops->probe(client, cmd); |
e951bdc4 JA |
900 | free(cmd); |
901 | break; | |
01be038e JA |
902 | case FIO_NET_CMD_RUN: |
903 | client->state = Client_running; | |
904 | free(cmd); | |
905 | break; | |
e951bdc4 | 906 | case FIO_NET_CMD_START: |
11e950bd | 907 | handle_start(client, cmd); |
e951bdc4 JA |
908 | free(cmd); |
909 | break; | |
910 | case FIO_NET_CMD_STOP: | |
11e950bd | 911 | handle_stop(client, cmd); |
e951bdc4 JA |
912 | free(cmd); |
913 | break; | |
807f9971 JA |
914 | case FIO_NET_CMD_ADD_JOB: |
915 | if (ops->add_job) | |
916 | ops->add_job(client, cmd); | |
917 | free(cmd); | |
918 | break; | |
e951bdc4 | 919 | default: |
89c1707c | 920 | log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode)); |
e951bdc4 JA |
921 | free(cmd); |
922 | break; | |
37db14fe JA |
923 | } |
924 | ||
e951bdc4 | 925 | return 1; |
37db14fe | 926 | } |
b66570dc | 927 | |
af9c9fb3 JA |
928 | static void request_client_etas(void) |
929 | { | |
930 | struct fio_client *client; | |
931 | struct flist_head *entry; | |
932 | struct client_eta *eta; | |
82c1ed38 | 933 | int skipped = 0; |
af9c9fb3 JA |
934 | |
935 | dprint(FD_NET, "client: request eta (%d)\n", nr_clients); | |
936 | ||
af9c9fb3 JA |
937 | eta = malloc(sizeof(*eta)); |
938 | memset(&eta->eta, 0, sizeof(eta->eta)); | |
939 | eta->pending = nr_clients; | |
940 | ||
941 | flist_for_each(entry, &client_list) { | |
942 | client = flist_entry(entry, struct fio_client, list); | |
943 | ||
82c1ed38 JA |
944 | if (!flist_empty(&client->eta_list)) { |
945 | skipped++; | |
946 | continue; | |
947 | } | |
01be038e JA |
948 | if (client->state != Client_running) |
949 | continue; | |
82c1ed38 | 950 | |
f77d2676 | 951 | assert(!client->eta_in_flight); |
82c1ed38 | 952 | flist_add_tail(&client->eta_list, &eta_list); |
f77d2676 | 953 | client->eta_in_flight = eta; |
af9c9fb3 | 954 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA, |
df380934 | 955 | (uintptr_t) eta, &client->cmd_list); |
af9c9fb3 JA |
956 | } |
957 | ||
82c1ed38 | 958 | while (skipped--) |
3e47bd25 | 959 | fio_client_dec_jobs_eta(eta, display_thread_status); |
82c1ed38 | 960 | |
af9c9fb3 JA |
961 | dprint(FD_NET, "client: requested eta tag %p\n", eta); |
962 | } | |
963 | ||
89c1707c JA |
964 | static int client_check_cmd_timeout(struct fio_client *client, |
965 | struct timeval *now) | |
966 | { | |
967 | struct fio_net_int_cmd *cmd; | |
968 | struct flist_head *entry, *tmp; | |
969 | int ret = 0; | |
970 | ||
971 | flist_for_each_safe(entry, tmp, &client->cmd_list) { | |
972 | cmd = flist_entry(entry, struct fio_net_int_cmd, list); | |
973 | ||
974 | if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT) | |
975 | continue; | |
976 | ||
977 | log_err("fio: client %s, timeout on cmd %s\n", client->hostname, | |
978 | fio_server_op(cmd->cmd.opcode)); | |
979 | flist_del(&cmd->list); | |
980 | free(cmd); | |
981 | ret = 1; | |
982 | } | |
983 | ||
984 | return flist_empty(&client->cmd_list) && ret; | |
985 | } | |
986 | ||
ed727a46 | 987 | static int fio_client_timed_out(struct client_ops *ops) |
89c1707c JA |
988 | { |
989 | struct fio_client *client; | |
990 | struct flist_head *entry, *tmp; | |
991 | struct timeval tv; | |
992 | int ret = 0; | |
993 | ||
994 | gettimeofday(&tv, NULL); | |
995 | ||
996 | flist_for_each_safe(entry, tmp, &client_list) { | |
997 | client = flist_entry(entry, struct fio_client, list); | |
998 | ||
999 | if (flist_empty(&client->cmd_list)) | |
1000 | continue; | |
1001 | ||
1002 | if (!client_check_cmd_timeout(client, &tv)) | |
1003 | continue; | |
1004 | ||
ed727a46 JA |
1005 | if (ops->timed_out) |
1006 | ops->timed_out(client); | |
1007 | else | |
1008 | log_err("fio: client %s timed out\n", client->hostname); | |
1009 | ||
89c1707c JA |
1010 | remove_client(client); |
1011 | ret = 1; | |
1012 | } | |
1013 | ||
1014 | return ret; | |
1015 | } | |
1016 | ||
dd366728 | 1017 | int fio_handle_clients(struct client_ops *ops) |
b66570dc | 1018 | { |
b66570dc | 1019 | struct pollfd *pfds; |
498c92c2 | 1020 | int i, ret = 0, retval = 0; |
b66570dc | 1021 | |
af9c9fb3 JA |
1022 | gettimeofday(&eta_tv, NULL); |
1023 | ||
b66570dc JA |
1024 | pfds = malloc(nr_clients * sizeof(struct pollfd)); |
1025 | ||
37f0c1ae JA |
1026 | sum_stat_clients = nr_clients; |
1027 | init_thread_stat(&client_ts); | |
1028 | init_group_run_stat(&client_gs); | |
1029 | ||
82a4be1b | 1030 | while (!exit_backend && nr_clients) { |
c2cb6869 JA |
1031 | struct flist_head *entry, *tmp; |
1032 | struct fio_client *client; | |
1033 | ||
82a4be1b | 1034 | i = 0; |
c2cb6869 | 1035 | flist_for_each_safe(entry, tmp, &client_list) { |
82a4be1b | 1036 | client = flist_entry(entry, struct fio_client, list); |
b66570dc | 1037 | |
3ec62ec4 | 1038 | if (!client->sent_job && !ops->stay_connected && |
c2cb6869 JA |
1039 | flist_empty(&client->cmd_list)) { |
1040 | remove_client(client); | |
1041 | continue; | |
1042 | } | |
1043 | ||
82a4be1b JA |
1044 | pfds[i].fd = client->fd; |
1045 | pfds[i].events = POLLIN; | |
1046 | i++; | |
1047 | } | |
1048 | ||
c2cb6869 JA |
1049 | if (!nr_clients) |
1050 | break; | |
1051 | ||
82a4be1b | 1052 | assert(i == nr_clients); |
b66570dc | 1053 | |
5c2857f9 | 1054 | do { |
af9c9fb3 JA |
1055 | struct timeval tv; |
1056 | ||
1057 | gettimeofday(&tv, NULL); | |
1058 | if (mtime_since(&eta_tv, &tv) >= 900) { | |
1059 | request_client_etas(); | |
1060 | memcpy(&eta_tv, &tv, sizeof(tv)); | |
89c1707c | 1061 | |
ed727a46 | 1062 | if (fio_client_timed_out(ops)) |
89c1707c | 1063 | break; |
af9c9fb3 JA |
1064 | } |
1065 | ||
5c2857f9 JA |
1066 | ret = poll(pfds, nr_clients, 100); |
1067 | if (ret < 0) { | |
1068 | if (errno == EINTR) | |
1069 | continue; | |
1070 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
1071 | break; | |
1072 | } else if (!ret) | |
b66570dc | 1073 | continue; |
5c2857f9 | 1074 | } while (ret <= 0); |
b66570dc JA |
1075 | |
1076 | for (i = 0; i < nr_clients; i++) { | |
1077 | if (!(pfds[i].revents & POLLIN)) | |
1078 | continue; | |
1079 | ||
1080 | client = find_client_by_fd(pfds[i].fd); | |
1081 | if (!client) { | |
3c5f57e3 | 1082 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
1083 | continue; |
1084 | } | |
3e47bd25 | 1085 | if (!fio_handle_client(client, ops)) { |
28d3ab07 JA |
1086 | log_info("client: host=%s disconnected\n", |
1087 | client->hostname); | |
1088 | remove_client(client); | |
498c92c2 | 1089 | retval = 1; |
38990764 | 1090 | } else if (client->error) |
498c92c2 | 1091 | retval = 1; |
b66570dc JA |
1092 | } |
1093 | } | |
1094 | ||
1095 | free(pfds); | |
498c92c2 | 1096 | return retval; |
b66570dc | 1097 | } |