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 | |
b66570dc JA |
23 | struct fio_client { |
24 | struct flist_head list; | |
3c5f57e3 JA |
25 | struct flist_head fd_hash_list; |
26 | struct flist_head name_hash_list; | |
b66570dc | 27 | struct sockaddr_in addr; |
87aa8f19 | 28 | struct sockaddr_un addr_un; |
b66570dc JA |
29 | char *hostname; |
30 | int fd; | |
81179eec JA |
31 | |
32 | int state; | |
17dd1764 | 33 | int skip_newline; |
87aa8f19 | 34 | int is_sock; |
81179eec JA |
35 | |
36 | uint16_t argc; | |
37 | char **argv; | |
38 | }; | |
39 | ||
40 | enum { | |
5c2857f9 | 41 | Client_created = 0, |
81179eec JA |
42 | Client_connected = 1, |
43 | Client_started = 2, | |
44 | Client_stopped = 3, | |
5c2857f9 | 45 | Client_exited = 4, |
b66570dc JA |
46 | }; |
47 | ||
48 | static FLIST_HEAD(client_list); | |
b66570dc | 49 | |
3c5f57e3 JA |
50 | #define FIO_CLIENT_HASH_BITS 7 |
51 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
52 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
53 | static struct flist_head client_fd_hash[FIO_CLIENT_HASH_SZ]; | |
54 | static struct flist_head client_name_hash[FIO_CLIENT_HASH_SZ]; | |
55 | ||
e951bdc4 | 56 | static int handle_client(struct fio_client *client); |
0b8f30a5 | 57 | |
3c5f57e3 JA |
58 | static void fio_client_add_fd_hash(struct fio_client *client) |
59 | { | |
60 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
61 | ||
62 | bucket &= FIO_CLIENT_HASH_MASK; | |
63 | flist_add(&client->fd_hash_list, &client_fd_hash[bucket]); | |
64 | } | |
65 | ||
66 | static void fio_client_remove_fd_hash(struct fio_client *client) | |
67 | { | |
68 | if (!flist_empty(&client->fd_hash_list)) | |
69 | flist_del_init(&client->fd_hash_list); | |
70 | } | |
71 | ||
72 | static void fio_client_add_name_hash(struct fio_client *client) | |
73 | { | |
74 | int bucket = jhash(client->hostname, strlen(client->hostname), 0); | |
75 | ||
76 | bucket &= FIO_CLIENT_HASH_MASK; | |
77 | flist_add(&client->name_hash_list, &client_name_hash[bucket]); | |
78 | } | |
79 | ||
80 | static void fio_client_remove_name_hash(struct fio_client *client) | |
81 | { | |
82 | if (!flist_empty(&client->name_hash_list)) | |
83 | flist_del_init(&client->name_hash_list); | |
84 | } | |
85 | ||
86 | static void fio_init fio_client_hash_init(void) | |
87 | { | |
88 | int i; | |
89 | ||
90 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) { | |
91 | INIT_FLIST_HEAD(&client_fd_hash[i]); | |
92 | INIT_FLIST_HEAD(&client_name_hash[i]); | |
93 | } | |
94 | } | |
95 | ||
b66570dc JA |
96 | static struct fio_client *find_client_by_fd(int fd) |
97 | { | |
3c5f57e3 | 98 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
99 | struct fio_client *client; |
100 | struct flist_head *entry; | |
101 | ||
3c5f57e3 JA |
102 | flist_for_each(entry, &client_fd_hash[bucket]) { |
103 | client = flist_entry(entry, struct fio_client, fd_hash_list); | |
b66570dc JA |
104 | |
105 | if (client->fd == fd) | |
106 | return client; | |
107 | } | |
108 | ||
109 | return NULL; | |
110 | } | |
111 | ||
112 | static struct fio_client *find_client_by_name(const char *name) | |
113 | { | |
3c5f57e3 | 114 | int bucket = jhash(name, strlen(name), 0) & FIO_CLIENT_HASH_BITS; |
b66570dc JA |
115 | struct fio_client *client; |
116 | struct flist_head *entry; | |
117 | ||
3c5f57e3 JA |
118 | flist_for_each(entry, &client_name_hash[bucket]) { |
119 | client = flist_entry(entry, struct fio_client, name_hash_list); | |
b66570dc JA |
120 | |
121 | if (!strcmp(name, client->hostname)) | |
122 | return client; | |
123 | } | |
124 | ||
125 | return NULL; | |
126 | } | |
127 | ||
128 | static void remove_client(struct fio_client *client) | |
129 | { | |
39e8e016 | 130 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 131 | flist_del(&client->list); |
3c5f57e3 JA |
132 | |
133 | fio_client_remove_fd_hash(client); | |
134 | fio_client_remove_name_hash(client); | |
81179eec | 135 | |
b66570dc | 136 | free(client->hostname); |
81179eec JA |
137 | if (client->argv) |
138 | free(client->argv); | |
139 | ||
b66570dc | 140 | free(client); |
3c5f57e3 | 141 | nr_clients--; |
b66570dc | 142 | } |
132159a5 | 143 | |
7a4b8240 JA |
144 | static int __fio_client_add_cmd_option(struct fio_client *client, |
145 | const char *opt) | |
81179eec | 146 | { |
39e8e016 JA |
147 | int index; |
148 | ||
7a4b8240 JA |
149 | if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) { |
150 | log_err("fio: max cmd line number reached.\n"); | |
151 | log_err("fio: cmd line <%s> has been ignored.\n", opt); | |
152 | return 1; | |
153 | } | |
154 | ||
39e8e016 | 155 | index = client->argc++; |
81179eec | 156 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
157 | client->argv[index] = strdup(opt); |
158 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
7a4b8240 | 159 | return 0; |
81179eec JA |
160 | } |
161 | ||
7a4b8240 | 162 | int fio_client_add_cmd_option(const char *hostname, const char *opt) |
81179eec JA |
163 | { |
164 | struct fio_client *client; | |
165 | ||
166 | if (!hostname || !opt) | |
7a4b8240 | 167 | return 0; |
81179eec JA |
168 | |
169 | client = find_client_by_name(hostname); | |
170 | if (!client) { | |
171 | log_err("fio: unknown client %s\n", hostname); | |
7a4b8240 | 172 | return 1; |
81179eec JA |
173 | } |
174 | ||
7a4b8240 | 175 | return __fio_client_add_cmd_option(client, opt); |
81179eec JA |
176 | } |
177 | ||
a37f69b7 | 178 | void fio_client_add(const char *hostname) |
132159a5 | 179 | { |
b66570dc | 180 | struct fio_client *client; |
132159a5 | 181 | |
39e8e016 | 182 | dprint(FD_NET, "client: added <%s>\n", hostname); |
b66570dc | 183 | client = malloc(sizeof(*client)); |
a37f69b7 | 184 | memset(client, 0, sizeof(*client)); |
81179eec | 185 | |
3c5f57e3 JA |
186 | INIT_FLIST_HEAD(&client->list); |
187 | INIT_FLIST_HEAD(&client->fd_hash_list); | |
188 | INIT_FLIST_HEAD(&client->name_hash_list); | |
189 | ||
87aa8f19 JA |
190 | if (!strncmp(hostname, "sock:", 5)) { |
191 | client->hostname = strdup(hostname + 5); | |
192 | client->is_sock = 1; | |
193 | } else | |
194 | client->hostname = strdup(hostname); | |
195 | ||
a37f69b7 | 196 | client->fd = -1; |
81179eec | 197 | |
3c5f57e3 JA |
198 | fio_client_add_name_hash(client); |
199 | ||
81179eec JA |
200 | __fio_client_add_cmd_option(client, "fio"); |
201 | ||
a37f69b7 JA |
202 | flist_add(&client->list, &client_list); |
203 | nr_clients++; | |
204 | } | |
205 | ||
87aa8f19 | 206 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 JA |
207 | { |
208 | int fd; | |
132159a5 | 209 | |
b66570dc JA |
210 | client->addr.sin_family = AF_INET; |
211 | client->addr.sin_port = htons(fio_net_port); | |
212 | ||
a37f69b7 | 213 | if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) { |
132159a5 JA |
214 | struct hostent *hent; |
215 | ||
a37f69b7 | 216 | hent = gethostbyname(client->hostname); |
132159a5 JA |
217 | if (!hent) { |
218 | log_err("fio: gethostbyname: %s\n", strerror(errno)); | |
e951bdc4 JA |
219 | log_err("fio: failed looking up hostname %s\n", |
220 | client->hostname); | |
87aa8f19 | 221 | return -1; |
132159a5 JA |
222 | } |
223 | ||
b66570dc | 224 | memcpy(&client->addr.sin_addr, hent->h_addr, 4); |
132159a5 JA |
225 | } |
226 | ||
227 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
228 | if (fd < 0) { | |
229 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 230 | return -1; |
132159a5 JA |
231 | } |
232 | ||
b66570dc | 233 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 234 | log_err("fio: connect: %s\n", strerror(errno)); |
cdf54d85 | 235 | log_err("fio: failed to connect to %s\n", client->hostname); |
b94cba47 | 236 | close(fd); |
87aa8f19 JA |
237 | return -1; |
238 | } | |
239 | ||
240 | return fd; | |
241 | } | |
242 | ||
243 | static int fio_client_connect_sock(struct fio_client *client) | |
244 | { | |
245 | struct sockaddr_un *addr = &client->addr_un; | |
246 | fio_socklen_t len; | |
247 | int fd; | |
248 | ||
249 | memset(addr, 0, sizeof(*addr)); | |
250 | addr->sun_family = AF_UNIX; | |
251 | strcpy(addr->sun_path, client->hostname); | |
252 | ||
253 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
254 | if (fd < 0) { | |
255 | log_err("fio: socket: %s\n", strerror(errno)); | |
256 | return -1; | |
257 | } | |
258 | ||
259 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
260 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
261 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 262 | close(fd); |
87aa8f19 | 263 | return -1; |
132159a5 JA |
264 | } |
265 | ||
87aa8f19 JA |
266 | return fd; |
267 | } | |
268 | ||
269 | static int fio_client_connect(struct fio_client *client) | |
270 | { | |
271 | int fd; | |
272 | ||
273 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
274 | ||
275 | memset(&client->addr, 0, sizeof(client->addr)); | |
276 | ||
277 | if (client->is_sock) | |
278 | fd = fio_client_connect_sock(client); | |
279 | else | |
280 | fd = fio_client_connect_ip(client); | |
281 | ||
282 | if (fd < 0) | |
283 | return 1; | |
284 | ||
b66570dc | 285 | client->fd = fd; |
3c5f57e3 | 286 | fio_client_add_fd_hash(client); |
81179eec | 287 | client->state = Client_connected; |
132159a5 JA |
288 | return 0; |
289 | } | |
290 | ||
cc0df00a JA |
291 | void fio_clients_terminate(void) |
292 | { | |
293 | struct flist_head *entry; | |
294 | struct fio_client *client; | |
295 | ||
60efd14e JA |
296 | dprint(FD_NET, "client: terminate clients\n"); |
297 | ||
cc0df00a JA |
298 | flist_for_each(entry, &client_list) { |
299 | client = flist_entry(entry, struct fio_client, list); | |
300 | ||
301 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
302 | } | |
303 | } | |
304 | ||
305 | static void sig_int(int sig) | |
306 | { | |
60efd14e | 307 | dprint(FD_NET, "client: got sign %d\n", sig); |
cc0df00a JA |
308 | fio_clients_terminate(); |
309 | } | |
310 | ||
311 | static void client_signal_handler(void) | |
312 | { | |
313 | struct sigaction act; | |
314 | ||
315 | memset(&act, 0, sizeof(act)); | |
316 | act.sa_handler = sig_int; | |
317 | act.sa_flags = SA_RESTART; | |
318 | sigaction(SIGINT, &act, NULL); | |
319 | ||
320 | memset(&act, 0, sizeof(act)); | |
321 | act.sa_handler = sig_int; | |
322 | act.sa_flags = SA_RESTART; | |
323 | sigaction(SIGTERM, &act, NULL); | |
324 | } | |
325 | ||
0b8f30a5 JA |
326 | static void probe_client(struct fio_client *client) |
327 | { | |
60efd14e JA |
328 | dprint(FD_NET, "client: send probe\n"); |
329 | ||
0b8f30a5 | 330 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); |
e951bdc4 | 331 | handle_client(client); |
0b8f30a5 JA |
332 | } |
333 | ||
81179eec JA |
334 | static int send_client_cmd_line(struct fio_client *client) |
335 | { | |
336 | struct cmd_line_pdu *pdu; | |
337 | int i, ret; | |
338 | ||
39e8e016 | 339 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 340 | |
81179eec JA |
341 | pdu = malloc(sizeof(*pdu)); |
342 | for (i = 0; i < client->argc; i++) | |
343 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
344 | ||
345 | pdu->argc = cpu_to_le16(client->argc); | |
346 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
347 | free(pdu); | |
348 | return ret; | |
349 | } | |
350 | ||
a37f69b7 JA |
351 | int fio_clients_connect(void) |
352 | { | |
353 | struct fio_client *client; | |
354 | struct flist_head *entry, *tmp; | |
355 | int ret; | |
356 | ||
60efd14e JA |
357 | dprint(FD_NET, "client: connect all\n"); |
358 | ||
cc0df00a JA |
359 | client_signal_handler(); |
360 | ||
a37f69b7 JA |
361 | flist_for_each_safe(entry, tmp, &client_list) { |
362 | client = flist_entry(entry, struct fio_client, list); | |
363 | ||
364 | ret = fio_client_connect(client); | |
0b8f30a5 | 365 | if (ret) { |
a37f69b7 | 366 | remove_client(client); |
0b8f30a5 JA |
367 | continue; |
368 | } | |
369 | ||
370 | probe_client(client); | |
81179eec JA |
371 | |
372 | if (client->argc > 1) | |
373 | send_client_cmd_line(client); | |
a37f69b7 JA |
374 | } |
375 | ||
376 | return !nr_clients; | |
377 | } | |
378 | ||
132159a5 JA |
379 | /* |
380 | * Send file contents to server backend. We could use sendfile(), but to remain | |
381 | * more portable lets just read/write the darn thing. | |
382 | */ | |
a37f69b7 | 383 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
384 | { |
385 | struct stat sb; | |
386 | char *p, *buf; | |
387 | off_t len; | |
388 | int fd, ret; | |
389 | ||
46c48f1f JA |
390 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
391 | ||
132159a5 JA |
392 | fd = open(filename, O_RDONLY); |
393 | if (fd < 0) { | |
e951bdc4 | 394 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
395 | return 1; |
396 | } | |
397 | ||
398 | if (fstat(fd, &sb) < 0) { | |
399 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 400 | close(fd); |
132159a5 JA |
401 | return 1; |
402 | } | |
403 | ||
404 | buf = malloc(sb.st_size); | |
405 | ||
406 | len = sb.st_size; | |
407 | p = buf; | |
408 | do { | |
409 | ret = read(fd, p, len); | |
410 | if (ret > 0) { | |
411 | len -= ret; | |
412 | if (!len) | |
413 | break; | |
414 | p += ret; | |
415 | continue; | |
416 | } else if (!ret) | |
417 | break; | |
418 | else if (errno == EAGAIN || errno == EINTR) | |
419 | continue; | |
420 | } while (1); | |
421 | ||
0b8f30a5 JA |
422 | if (len) { |
423 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 424 | close(fd); |
0b8f30a5 JA |
425 | return 1; |
426 | } | |
427 | ||
81179eec | 428 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 | 429 | free(buf); |
b94cba47 | 430 | close(fd); |
132159a5 JA |
431 | return ret; |
432 | } | |
37db14fe | 433 | |
a37f69b7 JA |
434 | int fio_clients_send_ini(const char *filename) |
435 | { | |
436 | struct fio_client *client; | |
437 | struct flist_head *entry, *tmp; | |
438 | ||
439 | flist_for_each_safe(entry, tmp, &client_list) { | |
440 | client = flist_entry(entry, struct fio_client, list); | |
441 | ||
442 | if (fio_client_send_ini(client, filename)) | |
443 | remove_client(client); | |
444 | } | |
445 | ||
446 | return !nr_clients; | |
447 | } | |
448 | ||
a64e88da JA |
449 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
450 | { | |
451 | dst->max_val = le64_to_cpu(src->max_val); | |
452 | dst->min_val = le64_to_cpu(src->min_val); | |
453 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
454 | |
455 | /* | |
456 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
457 | */ | |
458 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
459 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
460 | } |
461 | ||
462 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
463 | { | |
464 | int i, j; | |
465 | ||
466 | dst->error = le32_to_cpu(src->error); | |
467 | dst->groupid = le32_to_cpu(src->groupid); | |
468 | dst->pid = le32_to_cpu(src->pid); | |
469 | dst->members = le32_to_cpu(src->members); | |
470 | ||
471 | for (i = 0; i < 2; i++) { | |
472 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
473 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
474 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
475 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
476 | } | |
477 | ||
478 | dst->usr_time = le64_to_cpu(src->usr_time); | |
479 | dst->sys_time = le64_to_cpu(src->sys_time); | |
480 | dst->ctx = le64_to_cpu(src->ctx); | |
481 | dst->minf = le64_to_cpu(src->minf); | |
482 | dst->majf = le64_to_cpu(src->majf); | |
483 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
484 | |
485 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
486 | fio_fp64_t *fps = &src->percentile_list[i]; | |
487 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
488 | ||
489 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
490 | } | |
a64e88da JA |
491 | |
492 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
493 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
494 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
495 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
496 | } | |
497 | ||
498 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
499 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
500 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
501 | } | |
502 | ||
503 | for (i = 0; i < 2; i++) | |
504 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
505 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
506 | ||
507 | for (i = 0; i < 3; i++) { | |
508 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 509 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
510 | } |
511 | ||
512 | dst->total_submit = le64_to_cpu(src->total_submit); | |
513 | dst->total_complete = le64_to_cpu(src->total_complete); | |
514 | ||
515 | for (i = 0; i < 2; i++) { | |
516 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
517 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
518 | } | |
519 | ||
520 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
521 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
522 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
523 | dst->first_error = le32_to_cpu(src->first_error); |
524 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
525 | } |
526 | ||
527 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
528 | { | |
529 | int i; | |
530 | ||
531 | for (i = 0; i < 2; i++) { | |
532 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
533 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
534 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
535 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
536 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
537 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
538 | } | |
539 | ||
540 | dst->kb_base = le32_to_cpu(src->kb_base); | |
541 | dst->groupid = le32_to_cpu(src->groupid); | |
542 | } | |
543 | ||
544 | static void handle_ts(struct fio_net_cmd *cmd) | |
545 | { | |
546 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
547 | ||
548 | convert_ts(&p->ts, &p->ts); | |
549 | convert_gs(&p->rs, &p->rs); | |
550 | ||
551 | show_thread_status(&p->ts, &p->rs); | |
552 | } | |
553 | ||
554 | static void handle_gs(struct fio_net_cmd *cmd) | |
555 | { | |
556 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
557 | ||
558 | convert_gs(gs, gs); | |
559 | show_group_stats(gs); | |
560 | } | |
561 | ||
cf451d1e JA |
562 | static void handle_eta(struct fio_net_cmd *cmd) |
563 | { | |
564 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
565 | int i; | |
566 | ||
567 | je->nr_running = le32_to_cpu(je->nr_running); | |
568 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
569 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
570 | je->files_open = le32_to_cpu(je->files_open); | |
571 | je->m_rate = le32_to_cpu(je->m_rate); | |
572 | je->t_rate = le32_to_cpu(je->t_rate); | |
573 | je->m_iops = le32_to_cpu(je->m_iops); | |
574 | je->t_iops = le32_to_cpu(je->t_iops); | |
575 | ||
576 | for (i = 0; i < 2; i++) { | |
577 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
578 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
579 | } | |
580 | ||
581 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
582 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
583 | ||
584 | display_thread_status(je); | |
585 | } | |
586 | ||
2e03b4b2 JA |
587 | static void handle_probe(struct fio_net_cmd *cmd) |
588 | { | |
589 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
590 | ||
6eb24791 JA |
591 | log_info("Probe: hostname=%s, be=%u, fio ver %u.%u.%u\n", |
592 | probe->hostname, probe->bigendian, probe->fio_major, | |
593 | probe->fio_minor, probe->fio_patch); | |
2e03b4b2 JA |
594 | } |
595 | ||
e951bdc4 | 596 | static int handle_client(struct fio_client *client) |
37db14fe JA |
597 | { |
598 | struct fio_net_cmd *cmd; | |
599 | ||
60efd14e JA |
600 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
601 | ||
e951bdc4 JA |
602 | cmd = fio_net_recv_cmd(client->fd); |
603 | if (!cmd) | |
604 | return 0; | |
c2c94585 | 605 | |
e951bdc4 | 606 | dprint(FD_NET, "client: got cmd op %d from %s\n", |
c2c94585 | 607 | cmd->opcode, client->hostname); |
46c48f1f | 608 | |
e951bdc4 JA |
609 | switch (cmd->opcode) { |
610 | case FIO_NET_CMD_QUIT: | |
611 | remove_client(client); | |
612 | free(cmd); | |
613 | break; | |
614 | case FIO_NET_CMD_TEXT: { | |
615 | const char *buf = (const char *) cmd->payload; | |
616 | int fio_unused ret; | |
617 | ||
618 | if (!client->skip_newline) | |
619 | fprintf(f_out, "<%s> ", client->hostname); | |
620 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); | |
621 | fflush(f_out); | |
622 | client->skip_newline = strchr(buf, '\n') == NULL; | |
623 | free(cmd); | |
624 | break; | |
37db14fe | 625 | } |
e951bdc4 JA |
626 | case FIO_NET_CMD_TS: |
627 | handle_ts(cmd); | |
628 | free(cmd); | |
629 | break; | |
630 | case FIO_NET_CMD_GS: | |
631 | handle_gs(cmd); | |
632 | free(cmd); | |
633 | break; | |
634 | case FIO_NET_CMD_ETA: | |
635 | handle_eta(cmd); | |
636 | free(cmd); | |
637 | break; | |
638 | case FIO_NET_CMD_PROBE: | |
639 | handle_probe(cmd); | |
640 | free(cmd); | |
641 | break; | |
642 | case FIO_NET_CMD_START: | |
643 | client->state = Client_started; | |
644 | free(cmd); | |
645 | break; | |
646 | case FIO_NET_CMD_STOP: | |
647 | client->state = Client_stopped; | |
648 | free(cmd); | |
649 | break; | |
650 | default: | |
651 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
652 | free(cmd); | |
653 | break; | |
37db14fe JA |
654 | } |
655 | ||
e951bdc4 | 656 | return 1; |
37db14fe | 657 | } |
b66570dc JA |
658 | |
659 | int fio_handle_clients(void) | |
660 | { | |
661 | struct fio_client *client; | |
662 | struct flist_head *entry; | |
663 | struct pollfd *pfds; | |
82a4be1b | 664 | int i, ret = 0; |
b66570dc JA |
665 | |
666 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
667 | ||
82a4be1b JA |
668 | while (!exit_backend && nr_clients) { |
669 | i = 0; | |
670 | flist_for_each(entry, &client_list) { | |
671 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 672 | |
82a4be1b JA |
673 | pfds[i].fd = client->fd; |
674 | pfds[i].events = POLLIN; | |
675 | i++; | |
676 | } | |
677 | ||
678 | assert(i == nr_clients); | |
b66570dc | 679 | |
5c2857f9 JA |
680 | do { |
681 | ret = poll(pfds, nr_clients, 100); | |
682 | if (ret < 0) { | |
683 | if (errno == EINTR) | |
684 | continue; | |
685 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
686 | break; | |
687 | } else if (!ret) | |
b66570dc | 688 | continue; |
5c2857f9 | 689 | } while (ret <= 0); |
b66570dc JA |
690 | |
691 | for (i = 0; i < nr_clients; i++) { | |
692 | if (!(pfds[i].revents & POLLIN)) | |
693 | continue; | |
694 | ||
695 | client = find_client_by_fd(pfds[i].fd); | |
696 | if (!client) { | |
3c5f57e3 | 697 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
698 | continue; |
699 | } | |
e951bdc4 | 700 | if (!handle_client(client)) { |
28d3ab07 JA |
701 | log_info("client: host=%s disconnected\n", |
702 | client->hostname); | |
703 | remove_client(client); | |
704 | } | |
b66570dc JA |
705 | } |
706 | } | |
707 | ||
708 | free(pfds); | |
b66570dc JA |
709 | return 0; |
710 | } |