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; | |
bebe6398 | 25 | struct flist_head hash_list; |
b66570dc | 26 | struct sockaddr_in addr; |
87aa8f19 | 27 | struct sockaddr_un addr_un; |
b66570dc | 28 | char *hostname; |
bebe6398 | 29 | int port; |
b66570dc | 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) | |
bebe6398 | 53 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
3c5f57e3 | 54 | |
e951bdc4 | 55 | static int handle_client(struct fio_client *client); |
0b8f30a5 | 56 | |
bebe6398 | 57 | static void fio_client_add_hash(struct fio_client *client) |
3c5f57e3 JA |
58 | { |
59 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
60 | ||
61 | bucket &= FIO_CLIENT_HASH_MASK; | |
bebe6398 | 62 | flist_add(&client->hash_list, &client_hash[bucket]); |
3c5f57e3 JA |
63 | } |
64 | ||
bebe6398 | 65 | static void fio_client_remove_hash(struct fio_client *client) |
3c5f57e3 | 66 | { |
bebe6398 JA |
67 | if (!flist_empty(&client->hash_list)) |
68 | flist_del_init(&client->hash_list); | |
3c5f57e3 JA |
69 | } |
70 | ||
71 | static void fio_init fio_client_hash_init(void) | |
72 | { | |
73 | int i; | |
74 | ||
bebe6398 JA |
75 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
76 | INIT_FLIST_HEAD(&client_hash[i]); | |
3c5f57e3 JA |
77 | } |
78 | ||
b66570dc JA |
79 | static struct fio_client *find_client_by_fd(int fd) |
80 | { | |
3c5f57e3 | 81 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
82 | struct fio_client *client; |
83 | struct flist_head *entry; | |
84 | ||
bebe6398 JA |
85 | flist_for_each(entry, &client_hash[bucket]) { |
86 | client = flist_entry(entry, struct fio_client, hash_list); | |
b66570dc JA |
87 | |
88 | if (client->fd == fd) | |
89 | return client; | |
90 | } | |
91 | ||
92 | return NULL; | |
93 | } | |
94 | ||
b66570dc JA |
95 | static void remove_client(struct fio_client *client) |
96 | { | |
39e8e016 | 97 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 98 | flist_del(&client->list); |
3c5f57e3 | 99 | |
bebe6398 | 100 | fio_client_remove_hash(client); |
81179eec | 101 | |
b66570dc | 102 | free(client->hostname); |
81179eec JA |
103 | if (client->argv) |
104 | free(client->argv); | |
105 | ||
b66570dc | 106 | free(client); |
3c5f57e3 | 107 | nr_clients--; |
b66570dc | 108 | } |
132159a5 | 109 | |
7a4b8240 JA |
110 | static int __fio_client_add_cmd_option(struct fio_client *client, |
111 | const char *opt) | |
81179eec | 112 | { |
39e8e016 JA |
113 | int index; |
114 | ||
7a4b8240 JA |
115 | if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) { |
116 | log_err("fio: max cmd line number reached.\n"); | |
117 | log_err("fio: cmd line <%s> has been ignored.\n", opt); | |
118 | return 1; | |
119 | } | |
120 | ||
39e8e016 | 121 | index = client->argc++; |
81179eec | 122 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
123 | client->argv[index] = strdup(opt); |
124 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
7a4b8240 | 125 | return 0; |
81179eec JA |
126 | } |
127 | ||
bebe6398 | 128 | int fio_client_add_cmd_option(void *cookie, const char *opt) |
81179eec | 129 | { |
bebe6398 | 130 | struct fio_client *client = cookie; |
81179eec | 131 | |
bebe6398 | 132 | if (!client || !opt) |
7a4b8240 | 133 | return 0; |
81179eec | 134 | |
7a4b8240 | 135 | return __fio_client_add_cmd_option(client, opt); |
81179eec JA |
136 | } |
137 | ||
bebe6398 | 138 | int fio_client_add(const char *hostname, void **cookie) |
132159a5 | 139 | { |
b66570dc | 140 | struct fio_client *client; |
132159a5 | 141 | |
b66570dc | 142 | client = malloc(sizeof(*client)); |
a37f69b7 | 143 | memset(client, 0, sizeof(*client)); |
81179eec | 144 | |
3c5f57e3 | 145 | INIT_FLIST_HEAD(&client->list); |
bebe6398 | 146 | INIT_FLIST_HEAD(&client->hash_list); |
3c5f57e3 | 147 | |
bebe6398 JA |
148 | if (fio_server_parse_string(hostname, &client->hostname, |
149 | &client->is_sock, &client->port, | |
150 | &client->addr.sin_addr)) | |
151 | return -1; | |
87aa8f19 | 152 | |
bebe6398 | 153 | client->fd = -1; |
3c5f57e3 | 154 | |
81179eec JA |
155 | __fio_client_add_cmd_option(client, "fio"); |
156 | ||
a37f69b7 JA |
157 | flist_add(&client->list, &client_list); |
158 | nr_clients++; | |
bebe6398 JA |
159 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
160 | *cookie = client; | |
161 | return 0; | |
a37f69b7 JA |
162 | } |
163 | ||
87aa8f19 | 164 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 JA |
165 | { |
166 | int fd; | |
132159a5 | 167 | |
b66570dc | 168 | client->addr.sin_family = AF_INET; |
bebe6398 | 169 | client->addr.sin_port = htons(client->port); |
132159a5 JA |
170 | |
171 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
172 | if (fd < 0) { | |
173 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 174 | return -1; |
132159a5 JA |
175 | } |
176 | ||
b66570dc | 177 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 178 | log_err("fio: connect: %s\n", strerror(errno)); |
a7de0a11 JA |
179 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
180 | client->port); | |
b94cba47 | 181 | close(fd); |
87aa8f19 JA |
182 | return -1; |
183 | } | |
184 | ||
185 | return fd; | |
186 | } | |
187 | ||
188 | static int fio_client_connect_sock(struct fio_client *client) | |
189 | { | |
190 | struct sockaddr_un *addr = &client->addr_un; | |
191 | fio_socklen_t len; | |
192 | int fd; | |
193 | ||
194 | memset(addr, 0, sizeof(*addr)); | |
195 | addr->sun_family = AF_UNIX; | |
196 | strcpy(addr->sun_path, client->hostname); | |
197 | ||
198 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
199 | if (fd < 0) { | |
200 | log_err("fio: socket: %s\n", strerror(errno)); | |
201 | return -1; | |
202 | } | |
203 | ||
204 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
205 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
206 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 207 | close(fd); |
87aa8f19 | 208 | return -1; |
132159a5 JA |
209 | } |
210 | ||
87aa8f19 JA |
211 | return fd; |
212 | } | |
213 | ||
214 | static int fio_client_connect(struct fio_client *client) | |
215 | { | |
216 | int fd; | |
217 | ||
218 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
219 | ||
87aa8f19 JA |
220 | if (client->is_sock) |
221 | fd = fio_client_connect_sock(client); | |
222 | else | |
223 | fd = fio_client_connect_ip(client); | |
224 | ||
225 | if (fd < 0) | |
226 | return 1; | |
227 | ||
b66570dc | 228 | client->fd = fd; |
bebe6398 | 229 | fio_client_add_hash(client); |
81179eec | 230 | client->state = Client_connected; |
132159a5 JA |
231 | return 0; |
232 | } | |
233 | ||
cc0df00a JA |
234 | void fio_clients_terminate(void) |
235 | { | |
236 | struct flist_head *entry; | |
237 | struct fio_client *client; | |
238 | ||
60efd14e JA |
239 | dprint(FD_NET, "client: terminate clients\n"); |
240 | ||
cc0df00a JA |
241 | flist_for_each(entry, &client_list) { |
242 | client = flist_entry(entry, struct fio_client, list); | |
243 | ||
244 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
245 | } | |
246 | } | |
247 | ||
248 | static void sig_int(int sig) | |
249 | { | |
bebe6398 | 250 | dprint(FD_NET, "client: got signal %d\n", sig); |
cc0df00a JA |
251 | fio_clients_terminate(); |
252 | } | |
253 | ||
254 | static void client_signal_handler(void) | |
255 | { | |
256 | struct sigaction act; | |
257 | ||
258 | memset(&act, 0, sizeof(act)); | |
259 | act.sa_handler = sig_int; | |
260 | act.sa_flags = SA_RESTART; | |
261 | sigaction(SIGINT, &act, NULL); | |
262 | ||
263 | memset(&act, 0, sizeof(act)); | |
264 | act.sa_handler = sig_int; | |
265 | act.sa_flags = SA_RESTART; | |
266 | sigaction(SIGTERM, &act, NULL); | |
267 | } | |
268 | ||
0b8f30a5 JA |
269 | static void probe_client(struct fio_client *client) |
270 | { | |
60efd14e JA |
271 | dprint(FD_NET, "client: send probe\n"); |
272 | ||
0b8f30a5 | 273 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); |
e951bdc4 | 274 | handle_client(client); |
0b8f30a5 JA |
275 | } |
276 | ||
81179eec JA |
277 | static int send_client_cmd_line(struct fio_client *client) |
278 | { | |
279 | struct cmd_line_pdu *pdu; | |
280 | int i, ret; | |
281 | ||
39e8e016 | 282 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 283 | |
81179eec JA |
284 | pdu = malloc(sizeof(*pdu)); |
285 | for (i = 0; i < client->argc; i++) | |
286 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
287 | ||
288 | pdu->argc = cpu_to_le16(client->argc); | |
289 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
290 | free(pdu); | |
291 | return ret; | |
292 | } | |
293 | ||
a37f69b7 JA |
294 | int fio_clients_connect(void) |
295 | { | |
296 | struct fio_client *client; | |
297 | struct flist_head *entry, *tmp; | |
298 | int ret; | |
299 | ||
60efd14e JA |
300 | dprint(FD_NET, "client: connect all\n"); |
301 | ||
cc0df00a JA |
302 | client_signal_handler(); |
303 | ||
a37f69b7 JA |
304 | flist_for_each_safe(entry, tmp, &client_list) { |
305 | client = flist_entry(entry, struct fio_client, list); | |
306 | ||
307 | ret = fio_client_connect(client); | |
0b8f30a5 | 308 | if (ret) { |
a37f69b7 | 309 | remove_client(client); |
0b8f30a5 JA |
310 | continue; |
311 | } | |
312 | ||
313 | probe_client(client); | |
81179eec JA |
314 | |
315 | if (client->argc > 1) | |
316 | send_client_cmd_line(client); | |
a37f69b7 JA |
317 | } |
318 | ||
319 | return !nr_clients; | |
320 | } | |
321 | ||
132159a5 JA |
322 | /* |
323 | * Send file contents to server backend. We could use sendfile(), but to remain | |
324 | * more portable lets just read/write the darn thing. | |
325 | */ | |
a37f69b7 | 326 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
327 | { |
328 | struct stat sb; | |
329 | char *p, *buf; | |
330 | off_t len; | |
331 | int fd, ret; | |
332 | ||
46c48f1f JA |
333 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
334 | ||
132159a5 JA |
335 | fd = open(filename, O_RDONLY); |
336 | if (fd < 0) { | |
e951bdc4 | 337 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
338 | return 1; |
339 | } | |
340 | ||
341 | if (fstat(fd, &sb) < 0) { | |
342 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 343 | close(fd); |
132159a5 JA |
344 | return 1; |
345 | } | |
346 | ||
347 | buf = malloc(sb.st_size); | |
348 | ||
349 | len = sb.st_size; | |
350 | p = buf; | |
351 | do { | |
352 | ret = read(fd, p, len); | |
353 | if (ret > 0) { | |
354 | len -= ret; | |
355 | if (!len) | |
356 | break; | |
357 | p += ret; | |
358 | continue; | |
359 | } else if (!ret) | |
360 | break; | |
361 | else if (errno == EAGAIN || errno == EINTR) | |
362 | continue; | |
363 | } while (1); | |
364 | ||
0b8f30a5 JA |
365 | if (len) { |
366 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 367 | close(fd); |
c524ef72 | 368 | free(buf); |
0b8f30a5 JA |
369 | return 1; |
370 | } | |
371 | ||
81179eec | 372 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 | 373 | free(buf); |
b94cba47 | 374 | close(fd); |
132159a5 JA |
375 | return ret; |
376 | } | |
37db14fe | 377 | |
a37f69b7 JA |
378 | int fio_clients_send_ini(const char *filename) |
379 | { | |
380 | struct fio_client *client; | |
381 | struct flist_head *entry, *tmp; | |
382 | ||
383 | flist_for_each_safe(entry, tmp, &client_list) { | |
384 | client = flist_entry(entry, struct fio_client, list); | |
385 | ||
386 | if (fio_client_send_ini(client, filename)) | |
387 | remove_client(client); | |
388 | } | |
389 | ||
390 | return !nr_clients; | |
391 | } | |
392 | ||
a64e88da JA |
393 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
394 | { | |
395 | dst->max_val = le64_to_cpu(src->max_val); | |
396 | dst->min_val = le64_to_cpu(src->min_val); | |
397 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
398 | |
399 | /* | |
400 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
401 | */ | |
402 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
403 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
404 | } |
405 | ||
406 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
407 | { | |
408 | int i, j; | |
409 | ||
410 | dst->error = le32_to_cpu(src->error); | |
411 | dst->groupid = le32_to_cpu(src->groupid); | |
412 | dst->pid = le32_to_cpu(src->pid); | |
413 | dst->members = le32_to_cpu(src->members); | |
414 | ||
415 | for (i = 0; i < 2; i++) { | |
416 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
417 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
418 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
419 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
420 | } | |
421 | ||
422 | dst->usr_time = le64_to_cpu(src->usr_time); | |
423 | dst->sys_time = le64_to_cpu(src->sys_time); | |
424 | dst->ctx = le64_to_cpu(src->ctx); | |
425 | dst->minf = le64_to_cpu(src->minf); | |
426 | dst->majf = le64_to_cpu(src->majf); | |
427 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
428 | |
429 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
430 | fio_fp64_t *fps = &src->percentile_list[i]; | |
431 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
432 | ||
433 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
434 | } | |
a64e88da JA |
435 | |
436 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
437 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
438 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
439 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
440 | } | |
441 | ||
442 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
443 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
444 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
445 | } | |
446 | ||
447 | for (i = 0; i < 2; i++) | |
448 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
449 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
450 | ||
451 | for (i = 0; i < 3; i++) { | |
452 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 453 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
454 | } |
455 | ||
456 | dst->total_submit = le64_to_cpu(src->total_submit); | |
457 | dst->total_complete = le64_to_cpu(src->total_complete); | |
458 | ||
459 | for (i = 0; i < 2; i++) { | |
460 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
461 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
462 | } | |
463 | ||
464 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
465 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
466 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
467 | dst->first_error = le32_to_cpu(src->first_error); |
468 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
469 | } |
470 | ||
471 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
472 | { | |
473 | int i; | |
474 | ||
475 | for (i = 0; i < 2; i++) { | |
476 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
477 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
478 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
479 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
480 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
481 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
482 | } | |
483 | ||
484 | dst->kb_base = le32_to_cpu(src->kb_base); | |
485 | dst->groupid = le32_to_cpu(src->groupid); | |
486 | } | |
487 | ||
488 | static void handle_ts(struct fio_net_cmd *cmd) | |
489 | { | |
490 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
491 | ||
492 | convert_ts(&p->ts, &p->ts); | |
493 | convert_gs(&p->rs, &p->rs); | |
494 | ||
495 | show_thread_status(&p->ts, &p->rs); | |
496 | } | |
497 | ||
498 | static void handle_gs(struct fio_net_cmd *cmd) | |
499 | { | |
500 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
501 | ||
502 | convert_gs(gs, gs); | |
503 | show_group_stats(gs); | |
504 | } | |
505 | ||
cf451d1e JA |
506 | static void handle_eta(struct fio_net_cmd *cmd) |
507 | { | |
508 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
509 | int i; | |
510 | ||
511 | je->nr_running = le32_to_cpu(je->nr_running); | |
512 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
513 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
514 | je->files_open = le32_to_cpu(je->files_open); | |
515 | je->m_rate = le32_to_cpu(je->m_rate); | |
516 | je->t_rate = le32_to_cpu(je->t_rate); | |
517 | je->m_iops = le32_to_cpu(je->m_iops); | |
518 | je->t_iops = le32_to_cpu(je->t_iops); | |
519 | ||
520 | for (i = 0; i < 2; i++) { | |
521 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
522 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
523 | } | |
524 | ||
525 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
526 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
527 | ||
528 | display_thread_status(je); | |
529 | } | |
530 | ||
2e03b4b2 JA |
531 | static void handle_probe(struct fio_net_cmd *cmd) |
532 | { | |
533 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
cca84643 | 534 | const char *os, *arch; |
2e03b4b2 | 535 | |
cca84643 JA |
536 | os = fio_get_os_string(probe->os); |
537 | if (!os) | |
538 | os = "unknown"; | |
539 | ||
540 | arch = fio_get_arch_string(probe->arch); | |
541 | if (!arch) | |
542 | os = "unknown"; | |
543 | ||
544 | log_info("hostname=%s, be=%u, os=%s, arch=%s, fio ver %u.%u.%u\n", | |
545 | probe->hostname, probe->bigendian, os, arch, probe->fio_major, | |
6eb24791 | 546 | probe->fio_minor, probe->fio_patch); |
2e03b4b2 JA |
547 | } |
548 | ||
e951bdc4 | 549 | static int handle_client(struct fio_client *client) |
37db14fe JA |
550 | { |
551 | struct fio_net_cmd *cmd; | |
552 | ||
60efd14e JA |
553 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
554 | ||
e951bdc4 JA |
555 | cmd = fio_net_recv_cmd(client->fd); |
556 | if (!cmd) | |
557 | return 0; | |
c2c94585 | 558 | |
e951bdc4 | 559 | dprint(FD_NET, "client: got cmd op %d from %s\n", |
c2c94585 | 560 | cmd->opcode, client->hostname); |
46c48f1f | 561 | |
e951bdc4 JA |
562 | switch (cmd->opcode) { |
563 | case FIO_NET_CMD_QUIT: | |
564 | remove_client(client); | |
565 | free(cmd); | |
566 | break; | |
567 | case FIO_NET_CMD_TEXT: { | |
568 | const char *buf = (const char *) cmd->payload; | |
569 | int fio_unused ret; | |
570 | ||
571 | if (!client->skip_newline) | |
572 | fprintf(f_out, "<%s> ", client->hostname); | |
573 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); | |
574 | fflush(f_out); | |
575 | client->skip_newline = strchr(buf, '\n') == NULL; | |
576 | free(cmd); | |
577 | break; | |
37db14fe | 578 | } |
e951bdc4 JA |
579 | case FIO_NET_CMD_TS: |
580 | handle_ts(cmd); | |
581 | free(cmd); | |
582 | break; | |
583 | case FIO_NET_CMD_GS: | |
584 | handle_gs(cmd); | |
585 | free(cmd); | |
586 | break; | |
587 | case FIO_NET_CMD_ETA: | |
588 | handle_eta(cmd); | |
589 | free(cmd); | |
590 | break; | |
591 | case FIO_NET_CMD_PROBE: | |
592 | handle_probe(cmd); | |
593 | free(cmd); | |
594 | break; | |
595 | case FIO_NET_CMD_START: | |
596 | client->state = Client_started; | |
597 | free(cmd); | |
598 | break; | |
599 | case FIO_NET_CMD_STOP: | |
600 | client->state = Client_stopped; | |
601 | free(cmd); | |
602 | break; | |
603 | default: | |
604 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
605 | free(cmd); | |
606 | break; | |
37db14fe JA |
607 | } |
608 | ||
e951bdc4 | 609 | return 1; |
37db14fe | 610 | } |
b66570dc JA |
611 | |
612 | int fio_handle_clients(void) | |
613 | { | |
614 | struct fio_client *client; | |
615 | struct flist_head *entry; | |
616 | struct pollfd *pfds; | |
82a4be1b | 617 | int i, ret = 0; |
b66570dc JA |
618 | |
619 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
620 | ||
82a4be1b JA |
621 | while (!exit_backend && nr_clients) { |
622 | i = 0; | |
623 | flist_for_each(entry, &client_list) { | |
624 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 625 | |
82a4be1b JA |
626 | pfds[i].fd = client->fd; |
627 | pfds[i].events = POLLIN; | |
628 | i++; | |
629 | } | |
630 | ||
631 | assert(i == nr_clients); | |
b66570dc | 632 | |
5c2857f9 JA |
633 | do { |
634 | ret = poll(pfds, nr_clients, 100); | |
635 | if (ret < 0) { | |
636 | if (errno == EINTR) | |
637 | continue; | |
638 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
639 | break; | |
640 | } else if (!ret) | |
b66570dc | 641 | continue; |
5c2857f9 | 642 | } while (ret <= 0); |
b66570dc JA |
643 | |
644 | for (i = 0; i < nr_clients; i++) { | |
645 | if (!(pfds[i].revents & POLLIN)) | |
646 | continue; | |
647 | ||
648 | client = find_client_by_fd(pfds[i].fd); | |
649 | if (!client) { | |
3c5f57e3 | 650 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
651 | continue; |
652 | } | |
e951bdc4 | 653 | if (!handle_client(client)) { |
28d3ab07 JA |
654 | log_info("client: host=%s disconnected\n", |
655 | client->hostname); | |
656 | remove_client(client); | |
657 | } | |
b66570dc JA |
658 | } |
659 | } | |
660 | ||
661 | free(pfds); | |
b66570dc JA |
662 | return 0; |
663 | } |