Commit | Line | Data |
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132159a5 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
4 | #include <limits.h> | |
5 | #include <errno.h> | |
6 | #include <fcntl.h> | |
7 | #include <sys/poll.h> | |
8 | #include <sys/types.h> | |
9 | #include <sys/stat.h> | |
10 | #include <sys/wait.h> | |
11 | #include <sys/mman.h> | |
12 | #include <netinet/in.h> | |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
9e22ecb0 | 15 | #include <signal.h> |
132159a5 JA |
16 | |
17 | #include "fio.h" | |
18 | #include "server.h" | |
19 | #include "crc/crc32.h" | |
b66570dc | 20 | #include "flist.h" |
132159a5 | 21 | |
b66570dc JA |
22 | struct fio_client { |
23 | struct flist_head list; | |
24 | struct sockaddr_in addr; | |
25 | char *hostname; | |
26 | int fd; | |
81179eec JA |
27 | |
28 | int state; | |
17dd1764 | 29 | int skip_newline; |
81179eec JA |
30 | |
31 | uint16_t argc; | |
32 | char **argv; | |
33 | }; | |
34 | ||
35 | enum { | |
5c2857f9 | 36 | Client_created = 0, |
81179eec JA |
37 | Client_connected = 1, |
38 | Client_started = 2, | |
39 | Client_stopped = 3, | |
5c2857f9 | 40 | Client_exited = 4, |
b66570dc JA |
41 | }; |
42 | ||
43 | static FLIST_HEAD(client_list); | |
b66570dc | 44 | |
0b8f30a5 JA |
45 | static int handle_client(struct fio_client *client, int one); |
46 | ||
b66570dc JA |
47 | static struct fio_client *find_client_by_fd(int fd) |
48 | { | |
49 | struct fio_client *client; | |
50 | struct flist_head *entry; | |
51 | ||
52 | flist_for_each(entry, &client_list) { | |
53 | client = flist_entry(entry, struct fio_client, list); | |
54 | ||
55 | if (client->fd == fd) | |
56 | return client; | |
57 | } | |
58 | ||
59 | return NULL; | |
60 | } | |
61 | ||
62 | static struct fio_client *find_client_by_name(const char *name) | |
63 | { | |
64 | struct fio_client *client; | |
65 | struct flist_head *entry; | |
66 | ||
67 | flist_for_each(entry, &client_list) { | |
68 | client = flist_entry(entry, struct fio_client, list); | |
69 | ||
70 | if (!strcmp(name, client->hostname)) | |
71 | return client; | |
72 | } | |
73 | ||
74 | return NULL; | |
75 | } | |
76 | ||
77 | static void remove_client(struct fio_client *client) | |
78 | { | |
39e8e016 | 79 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc JA |
80 | flist_del(&client->list); |
81 | nr_clients--; | |
81179eec | 82 | |
b66570dc | 83 | free(client->hostname); |
81179eec JA |
84 | if (client->argv) |
85 | free(client->argv); | |
86 | ||
b66570dc JA |
87 | free(client); |
88 | } | |
132159a5 | 89 | |
81179eec JA |
90 | static void __fio_client_add_cmd_option(struct fio_client *client, |
91 | const char *opt) | |
92 | { | |
39e8e016 JA |
93 | int index; |
94 | ||
95 | index = client->argc++; | |
81179eec | 96 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
97 | client->argv[index] = strdup(opt); |
98 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
81179eec JA |
99 | } |
100 | ||
101 | void fio_client_add_cmd_option(const char *hostname, const char *opt) | |
102 | { | |
103 | struct fio_client *client; | |
104 | ||
105 | if (!hostname || !opt) | |
106 | return; | |
107 | ||
108 | client = find_client_by_name(hostname); | |
109 | if (!client) { | |
110 | log_err("fio: unknown client %s\n", hostname); | |
111 | return; | |
112 | } | |
113 | ||
114 | __fio_client_add_cmd_option(client, opt); | |
115 | } | |
116 | ||
a37f69b7 | 117 | void fio_client_add(const char *hostname) |
132159a5 | 118 | { |
b66570dc | 119 | struct fio_client *client; |
132159a5 | 120 | |
39e8e016 | 121 | dprint(FD_NET, "client: added <%s>\n", hostname); |
b66570dc | 122 | client = malloc(sizeof(*client)); |
a37f69b7 | 123 | memset(client, 0, sizeof(*client)); |
81179eec | 124 | |
a37f69b7 JA |
125 | client->hostname = strdup(hostname); |
126 | client->fd = -1; | |
81179eec JA |
127 | |
128 | __fio_client_add_cmd_option(client, "fio"); | |
129 | ||
a37f69b7 JA |
130 | flist_add(&client->list, &client_list); |
131 | nr_clients++; | |
132 | } | |
133 | ||
134 | static int fio_client_connect(struct fio_client *client) | |
135 | { | |
136 | int fd; | |
132159a5 | 137 | |
39e8e016 | 138 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); |
46c48f1f | 139 | |
b66570dc JA |
140 | memset(&client->addr, 0, sizeof(client->addr)); |
141 | client->addr.sin_family = AF_INET; | |
142 | client->addr.sin_port = htons(fio_net_port); | |
143 | ||
a37f69b7 | 144 | if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) { |
132159a5 JA |
145 | struct hostent *hent; |
146 | ||
a37f69b7 | 147 | hent = gethostbyname(client->hostname); |
132159a5 JA |
148 | if (!hent) { |
149 | log_err("fio: gethostbyname: %s\n", strerror(errno)); | |
150 | return 1; | |
151 | } | |
152 | ||
b66570dc | 153 | memcpy(&client->addr.sin_addr, hent->h_addr, 4); |
132159a5 JA |
154 | } |
155 | ||
156 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
157 | if (fd < 0) { | |
158 | log_err("fio: socket: %s\n", strerror(errno)); | |
159 | return 1; | |
160 | } | |
161 | ||
b66570dc | 162 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 163 | log_err("fio: connect: %s\n", strerror(errno)); |
cdf54d85 | 164 | log_err("fio: failed to connect to %s\n", client->hostname); |
132159a5 JA |
165 | return 1; |
166 | } | |
167 | ||
b66570dc | 168 | client->fd = fd; |
81179eec | 169 | client->state = Client_connected; |
132159a5 JA |
170 | return 0; |
171 | } | |
172 | ||
cc0df00a JA |
173 | void fio_clients_terminate(void) |
174 | { | |
175 | struct flist_head *entry; | |
176 | struct fio_client *client; | |
177 | ||
60efd14e JA |
178 | dprint(FD_NET, "client: terminate clients\n"); |
179 | ||
cc0df00a JA |
180 | flist_for_each(entry, &client_list) { |
181 | client = flist_entry(entry, struct fio_client, list); | |
182 | ||
183 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
184 | } | |
185 | } | |
186 | ||
187 | static void sig_int(int sig) | |
188 | { | |
60efd14e | 189 | dprint(FD_NET, "client: got sign %d\n", sig); |
cc0df00a JA |
190 | fio_clients_terminate(); |
191 | } | |
192 | ||
193 | static void client_signal_handler(void) | |
194 | { | |
195 | struct sigaction act; | |
196 | ||
197 | memset(&act, 0, sizeof(act)); | |
198 | act.sa_handler = sig_int; | |
199 | act.sa_flags = SA_RESTART; | |
200 | sigaction(SIGINT, &act, NULL); | |
201 | ||
202 | memset(&act, 0, sizeof(act)); | |
203 | act.sa_handler = sig_int; | |
204 | act.sa_flags = SA_RESTART; | |
205 | sigaction(SIGTERM, &act, NULL); | |
206 | } | |
207 | ||
0b8f30a5 JA |
208 | static void probe_client(struct fio_client *client) |
209 | { | |
60efd14e JA |
210 | dprint(FD_NET, "client: send probe\n"); |
211 | ||
0b8f30a5 JA |
212 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); |
213 | handle_client(client, 1); | |
214 | } | |
215 | ||
81179eec JA |
216 | static int send_client_cmd_line(struct fio_client *client) |
217 | { | |
218 | struct cmd_line_pdu *pdu; | |
219 | int i, ret; | |
220 | ||
39e8e016 | 221 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 222 | |
81179eec JA |
223 | pdu = malloc(sizeof(*pdu)); |
224 | for (i = 0; i < client->argc; i++) | |
225 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
226 | ||
227 | pdu->argc = cpu_to_le16(client->argc); | |
228 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
229 | free(pdu); | |
230 | return ret; | |
231 | } | |
232 | ||
a37f69b7 JA |
233 | int fio_clients_connect(void) |
234 | { | |
235 | struct fio_client *client; | |
236 | struct flist_head *entry, *tmp; | |
237 | int ret; | |
238 | ||
60efd14e JA |
239 | dprint(FD_NET, "client: connect all\n"); |
240 | ||
cc0df00a JA |
241 | client_signal_handler(); |
242 | ||
a37f69b7 JA |
243 | flist_for_each_safe(entry, tmp, &client_list) { |
244 | client = flist_entry(entry, struct fio_client, list); | |
245 | ||
246 | ret = fio_client_connect(client); | |
0b8f30a5 | 247 | if (ret) { |
a37f69b7 | 248 | remove_client(client); |
0b8f30a5 JA |
249 | continue; |
250 | } | |
251 | ||
252 | probe_client(client); | |
81179eec JA |
253 | |
254 | if (client->argc > 1) | |
255 | send_client_cmd_line(client); | |
a37f69b7 JA |
256 | } |
257 | ||
258 | return !nr_clients; | |
259 | } | |
260 | ||
132159a5 JA |
261 | /* |
262 | * Send file contents to server backend. We could use sendfile(), but to remain | |
263 | * more portable lets just read/write the darn thing. | |
264 | */ | |
a37f69b7 | 265 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
266 | { |
267 | struct stat sb; | |
268 | char *p, *buf; | |
269 | off_t len; | |
270 | int fd, ret; | |
271 | ||
46c48f1f JA |
272 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
273 | ||
132159a5 JA |
274 | fd = open(filename, O_RDONLY); |
275 | if (fd < 0) { | |
276 | log_err("fio: job file open: %s\n", strerror(errno)); | |
277 | return 1; | |
278 | } | |
279 | ||
280 | if (fstat(fd, &sb) < 0) { | |
281 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
282 | return 1; | |
283 | } | |
284 | ||
285 | buf = malloc(sb.st_size); | |
286 | ||
287 | len = sb.st_size; | |
288 | p = buf; | |
289 | do { | |
290 | ret = read(fd, p, len); | |
291 | if (ret > 0) { | |
292 | len -= ret; | |
293 | if (!len) | |
294 | break; | |
295 | p += ret; | |
296 | continue; | |
297 | } else if (!ret) | |
298 | break; | |
299 | else if (errno == EAGAIN || errno == EINTR) | |
300 | continue; | |
301 | } while (1); | |
302 | ||
0b8f30a5 JA |
303 | if (len) { |
304 | log_err("fio: failed reading job file %s\n", filename); | |
305 | return 1; | |
306 | } | |
307 | ||
81179eec | 308 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 JA |
309 | free(buf); |
310 | return ret; | |
311 | } | |
37db14fe | 312 | |
a37f69b7 JA |
313 | int fio_clients_send_ini(const char *filename) |
314 | { | |
315 | struct fio_client *client; | |
316 | struct flist_head *entry, *tmp; | |
317 | ||
318 | flist_for_each_safe(entry, tmp, &client_list) { | |
319 | client = flist_entry(entry, struct fio_client, list); | |
320 | ||
321 | if (fio_client_send_ini(client, filename)) | |
322 | remove_client(client); | |
323 | } | |
324 | ||
325 | return !nr_clients; | |
326 | } | |
327 | ||
a64e88da JA |
328 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
329 | { | |
330 | dst->max_val = le64_to_cpu(src->max_val); | |
331 | dst->min_val = le64_to_cpu(src->min_val); | |
332 | dst->samples = le64_to_cpu(src->samples); | |
333 | /* FIXME */ | |
ddcc0b69 JA |
334 | dst->mean = __le64_to_cpu(src->mean); |
335 | dst->S = __le64_to_cpu(src->S); | |
a64e88da JA |
336 | } |
337 | ||
338 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
339 | { | |
340 | int i, j; | |
341 | ||
342 | dst->error = le32_to_cpu(src->error); | |
343 | dst->groupid = le32_to_cpu(src->groupid); | |
344 | dst->pid = le32_to_cpu(src->pid); | |
345 | dst->members = le32_to_cpu(src->members); | |
346 | ||
347 | for (i = 0; i < 2; i++) { | |
348 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
349 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
350 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
351 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
352 | } | |
353 | ||
354 | dst->usr_time = le64_to_cpu(src->usr_time); | |
355 | dst->sys_time = le64_to_cpu(src->sys_time); | |
356 | dst->ctx = le64_to_cpu(src->ctx); | |
357 | dst->minf = le64_to_cpu(src->minf); | |
358 | dst->majf = le64_to_cpu(src->majf); | |
359 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
360 | dst->percentile_list = NULL; | |
361 | ||
362 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
363 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
364 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
365 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
366 | } | |
367 | ||
368 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
369 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
370 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
371 | } | |
372 | ||
373 | for (i = 0; i < 2; i++) | |
374 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
375 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
376 | ||
377 | for (i = 0; i < 3; i++) { | |
378 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 379 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
380 | } |
381 | ||
382 | dst->total_submit = le64_to_cpu(src->total_submit); | |
383 | dst->total_complete = le64_to_cpu(src->total_complete); | |
384 | ||
385 | for (i = 0; i < 2; i++) { | |
386 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
387 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
388 | } | |
389 | ||
390 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
391 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
392 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
393 | dst->first_error = le32_to_cpu(src->first_error); |
394 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
395 | } |
396 | ||
397 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
398 | { | |
399 | int i; | |
400 | ||
401 | for (i = 0; i < 2; i++) { | |
402 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
403 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
404 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
405 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
406 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
407 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
408 | } | |
409 | ||
410 | dst->kb_base = le32_to_cpu(src->kb_base); | |
411 | dst->groupid = le32_to_cpu(src->groupid); | |
412 | } | |
413 | ||
414 | static void handle_ts(struct fio_net_cmd *cmd) | |
415 | { | |
416 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
417 | ||
418 | convert_ts(&p->ts, &p->ts); | |
419 | convert_gs(&p->rs, &p->rs); | |
420 | ||
421 | show_thread_status(&p->ts, &p->rs); | |
422 | } | |
423 | ||
424 | static void handle_gs(struct fio_net_cmd *cmd) | |
425 | { | |
426 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
427 | ||
428 | convert_gs(gs, gs); | |
429 | show_group_stats(gs); | |
430 | } | |
431 | ||
cf451d1e JA |
432 | static void handle_eta(struct fio_net_cmd *cmd) |
433 | { | |
434 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
435 | int i; | |
436 | ||
437 | je->nr_running = le32_to_cpu(je->nr_running); | |
438 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
439 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
440 | je->files_open = le32_to_cpu(je->files_open); | |
441 | je->m_rate = le32_to_cpu(je->m_rate); | |
442 | je->t_rate = le32_to_cpu(je->t_rate); | |
443 | je->m_iops = le32_to_cpu(je->m_iops); | |
444 | je->t_iops = le32_to_cpu(je->t_iops); | |
445 | ||
446 | for (i = 0; i < 2; i++) { | |
447 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
448 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
449 | } | |
450 | ||
451 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
452 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
453 | ||
454 | display_thread_status(je); | |
455 | } | |
456 | ||
2e03b4b2 JA |
457 | static void handle_probe(struct fio_net_cmd *cmd) |
458 | { | |
459 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
460 | ||
6eb24791 JA |
461 | log_info("Probe: hostname=%s, be=%u, fio ver %u.%u.%u\n", |
462 | probe->hostname, probe->bigendian, probe->fio_major, | |
463 | probe->fio_minor, probe->fio_patch); | |
2e03b4b2 JA |
464 | } |
465 | ||
0b8f30a5 | 466 | static int handle_client(struct fio_client *client, int one) |
37db14fe JA |
467 | { |
468 | struct fio_net_cmd *cmd; | |
a450e492 | 469 | int done = 0; |
37db14fe | 470 | |
60efd14e JA |
471 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
472 | ||
70e0c316 | 473 | while ((cmd = fio_net_recv_cmd(client->fd, 1)) != NULL) { |
46c48f1f JA |
474 | dprint(FD_NET, "%s: got cmd op %d\n", client->hostname, |
475 | cmd->opcode); | |
476 | ||
a64e88da | 477 | switch (cmd->opcode) { |
a64e88da | 478 | case FIO_NET_CMD_QUIT: |
b66570dc | 479 | remove_client(client); |
437377e1 | 480 | free(cmd); |
a450e492 | 481 | done = 1; |
437377e1 | 482 | break; |
17dd1764 JA |
483 | case FIO_NET_CMD_TEXT: { |
484 | const char *buf = (const char *) cmd->payload; | |
485 | ||
486 | if (!client->skip_newline) | |
487 | fprintf(f_out, "Client <%s>: ", client->hostname); | |
488 | fwrite(buf, cmd->pdu_len, 1, f_out); | |
0b8f30a5 | 489 | fflush(f_out); |
17dd1764 | 490 | client->skip_newline = strchr(buf, '\n') == NULL; |
37db14fe | 491 | free(cmd); |
a64e88da | 492 | break; |
17dd1764 | 493 | } |
a64e88da JA |
494 | case FIO_NET_CMD_TS: |
495 | handle_ts(cmd); | |
496 | free(cmd); | |
497 | break; | |
498 | case FIO_NET_CMD_GS: | |
499 | handle_gs(cmd); | |
500 | free(cmd); | |
501 | break; | |
cf451d1e JA |
502 | case FIO_NET_CMD_ETA: |
503 | handle_eta(cmd); | |
504 | free(cmd); | |
505 | break; | |
2e03b4b2 JA |
506 | case FIO_NET_CMD_PROBE: |
507 | handle_probe(cmd); | |
508 | free(cmd); | |
509 | break; | |
81179eec JA |
510 | case FIO_NET_CMD_START: |
511 | client->state = Client_started; | |
512 | free(cmd); | |
513 | break; | |
514 | case FIO_NET_CMD_STOP: | |
515 | client->state = Client_stopped; | |
516 | free(cmd); | |
517 | break; | |
a64e88da JA |
518 | default: |
519 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
520 | free(cmd); | |
521 | break; | |
37db14fe | 522 | } |
a450e492 | 523 | |
0b8f30a5 | 524 | if (done || one) |
a450e492 | 525 | break; |
37db14fe JA |
526 | } |
527 | ||
528 | return 0; | |
529 | } | |
b66570dc JA |
530 | |
531 | int fio_handle_clients(void) | |
532 | { | |
533 | struct fio_client *client; | |
534 | struct flist_head *entry; | |
535 | struct pollfd *pfds; | |
82a4be1b | 536 | int i, ret = 0; |
b66570dc JA |
537 | |
538 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
539 | ||
82a4be1b JA |
540 | while (!exit_backend && nr_clients) { |
541 | i = 0; | |
542 | flist_for_each(entry, &client_list) { | |
543 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 544 | |
82a4be1b JA |
545 | pfds[i].fd = client->fd; |
546 | pfds[i].events = POLLIN; | |
547 | i++; | |
548 | } | |
549 | ||
550 | assert(i == nr_clients); | |
b66570dc | 551 | |
5c2857f9 JA |
552 | do { |
553 | ret = poll(pfds, nr_clients, 100); | |
554 | if (ret < 0) { | |
555 | if (errno == EINTR) | |
556 | continue; | |
557 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
558 | break; | |
559 | } else if (!ret) | |
b66570dc | 560 | continue; |
5c2857f9 | 561 | } while (ret <= 0); |
b66570dc JA |
562 | |
563 | for (i = 0; i < nr_clients; i++) { | |
564 | if (!(pfds[i].revents & POLLIN)) | |
565 | continue; | |
566 | ||
567 | client = find_client_by_fd(pfds[i].fd); | |
568 | if (!client) { | |
569 | log_err("fio: unknown client\n"); | |
570 | continue; | |
571 | } | |
0b8f30a5 | 572 | handle_client(client, 0); |
b66570dc JA |
573 | } |
574 | } | |
575 | ||
576 | free(pfds); | |
b66570dc JA |
577 | return 0; |
578 | } |