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 | 31 | |
b5296ddb JA |
32 | char *name; |
33 | ||
81179eec | 34 | int state; |
17dd1764 | 35 | int skip_newline; |
87aa8f19 | 36 | int is_sock; |
81179eec JA |
37 | |
38 | uint16_t argc; | |
39 | char **argv; | |
40 | }; | |
41 | ||
42 | enum { | |
5c2857f9 | 43 | Client_created = 0, |
81179eec JA |
44 | Client_connected = 1, |
45 | Client_started = 2, | |
46 | Client_stopped = 3, | |
5c2857f9 | 47 | Client_exited = 4, |
b66570dc JA |
48 | }; |
49 | ||
50 | static FLIST_HEAD(client_list); | |
b66570dc | 51 | |
3c5f57e3 JA |
52 | #define FIO_CLIENT_HASH_BITS 7 |
53 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
54 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
bebe6398 | 55 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
3c5f57e3 | 56 | |
e951bdc4 | 57 | static int handle_client(struct fio_client *client); |
0b8f30a5 | 58 | |
bebe6398 | 59 | static void fio_client_add_hash(struct fio_client *client) |
3c5f57e3 JA |
60 | { |
61 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
62 | ||
63 | bucket &= FIO_CLIENT_HASH_MASK; | |
bebe6398 | 64 | flist_add(&client->hash_list, &client_hash[bucket]); |
3c5f57e3 JA |
65 | } |
66 | ||
bebe6398 | 67 | static void fio_client_remove_hash(struct fio_client *client) |
3c5f57e3 | 68 | { |
bebe6398 JA |
69 | if (!flist_empty(&client->hash_list)) |
70 | flist_del_init(&client->hash_list); | |
3c5f57e3 JA |
71 | } |
72 | ||
73 | static void fio_init fio_client_hash_init(void) | |
74 | { | |
75 | int i; | |
76 | ||
bebe6398 JA |
77 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
78 | INIT_FLIST_HEAD(&client_hash[i]); | |
3c5f57e3 JA |
79 | } |
80 | ||
b66570dc JA |
81 | static struct fio_client *find_client_by_fd(int fd) |
82 | { | |
3c5f57e3 | 83 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
84 | struct fio_client *client; |
85 | struct flist_head *entry; | |
86 | ||
bebe6398 JA |
87 | flist_for_each(entry, &client_hash[bucket]) { |
88 | client = flist_entry(entry, struct fio_client, hash_list); | |
b66570dc JA |
89 | |
90 | if (client->fd == fd) | |
91 | return client; | |
92 | } | |
93 | ||
94 | return NULL; | |
95 | } | |
96 | ||
b66570dc JA |
97 | static void remove_client(struct fio_client *client) |
98 | { | |
39e8e016 | 99 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 100 | flist_del(&client->list); |
3c5f57e3 | 101 | |
bebe6398 | 102 | fio_client_remove_hash(client); |
81179eec | 103 | |
b66570dc | 104 | free(client->hostname); |
81179eec JA |
105 | if (client->argv) |
106 | free(client->argv); | |
b5296ddb JA |
107 | if (client->name) |
108 | free(client->name); | |
81179eec | 109 | |
b66570dc | 110 | free(client); |
3c5f57e3 | 111 | nr_clients--; |
b66570dc | 112 | } |
132159a5 | 113 | |
7a4b8240 JA |
114 | static int __fio_client_add_cmd_option(struct fio_client *client, |
115 | const char *opt) | |
81179eec | 116 | { |
39e8e016 JA |
117 | int index; |
118 | ||
7a4b8240 JA |
119 | if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) { |
120 | log_err("fio: max cmd line number reached.\n"); | |
121 | log_err("fio: cmd line <%s> has been ignored.\n", opt); | |
122 | return 1; | |
123 | } | |
124 | ||
39e8e016 | 125 | index = client->argc++; |
81179eec | 126 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
127 | client->argv[index] = strdup(opt); |
128 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
7a4b8240 | 129 | return 0; |
81179eec JA |
130 | } |
131 | ||
bebe6398 | 132 | int fio_client_add_cmd_option(void *cookie, const char *opt) |
81179eec | 133 | { |
bebe6398 | 134 | struct fio_client *client = cookie; |
81179eec | 135 | |
bebe6398 | 136 | if (!client || !opt) |
7a4b8240 | 137 | return 0; |
81179eec | 138 | |
7a4b8240 | 139 | return __fio_client_add_cmd_option(client, opt); |
81179eec JA |
140 | } |
141 | ||
bebe6398 | 142 | int fio_client_add(const char *hostname, void **cookie) |
132159a5 | 143 | { |
b66570dc | 144 | struct fio_client *client; |
132159a5 | 145 | |
b66570dc | 146 | client = malloc(sizeof(*client)); |
a37f69b7 | 147 | memset(client, 0, sizeof(*client)); |
81179eec | 148 | |
3c5f57e3 | 149 | INIT_FLIST_HEAD(&client->list); |
bebe6398 | 150 | INIT_FLIST_HEAD(&client->hash_list); |
3c5f57e3 | 151 | |
bebe6398 JA |
152 | if (fio_server_parse_string(hostname, &client->hostname, |
153 | &client->is_sock, &client->port, | |
154 | &client->addr.sin_addr)) | |
155 | return -1; | |
87aa8f19 | 156 | |
bebe6398 | 157 | client->fd = -1; |
3c5f57e3 | 158 | |
81179eec JA |
159 | __fio_client_add_cmd_option(client, "fio"); |
160 | ||
a37f69b7 JA |
161 | flist_add(&client->list, &client_list); |
162 | nr_clients++; | |
bebe6398 JA |
163 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
164 | *cookie = client; | |
165 | return 0; | |
a37f69b7 JA |
166 | } |
167 | ||
87aa8f19 | 168 | static int fio_client_connect_ip(struct fio_client *client) |
a37f69b7 JA |
169 | { |
170 | int fd; | |
132159a5 | 171 | |
b66570dc | 172 | client->addr.sin_family = AF_INET; |
bebe6398 | 173 | client->addr.sin_port = htons(client->port); |
132159a5 JA |
174 | |
175 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
176 | if (fd < 0) { | |
177 | log_err("fio: socket: %s\n", strerror(errno)); | |
87aa8f19 | 178 | return -1; |
132159a5 JA |
179 | } |
180 | ||
b66570dc | 181 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 182 | log_err("fio: connect: %s\n", strerror(errno)); |
a7de0a11 JA |
183 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
184 | client->port); | |
b94cba47 | 185 | close(fd); |
87aa8f19 JA |
186 | return -1; |
187 | } | |
188 | ||
189 | return fd; | |
190 | } | |
191 | ||
192 | static int fio_client_connect_sock(struct fio_client *client) | |
193 | { | |
194 | struct sockaddr_un *addr = &client->addr_un; | |
195 | fio_socklen_t len; | |
196 | int fd; | |
197 | ||
198 | memset(addr, 0, sizeof(*addr)); | |
199 | addr->sun_family = AF_UNIX; | |
200 | strcpy(addr->sun_path, client->hostname); | |
201 | ||
202 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
203 | if (fd < 0) { | |
204 | log_err("fio: socket: %s\n", strerror(errno)); | |
205 | return -1; | |
206 | } | |
207 | ||
208 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; | |
209 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { | |
210 | log_err("fio: connect; %s\n", strerror(errno)); | |
b94cba47 | 211 | close(fd); |
87aa8f19 | 212 | return -1; |
132159a5 JA |
213 | } |
214 | ||
87aa8f19 JA |
215 | return fd; |
216 | } | |
217 | ||
218 | static int fio_client_connect(struct fio_client *client) | |
219 | { | |
220 | int fd; | |
221 | ||
222 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); | |
223 | ||
87aa8f19 JA |
224 | if (client->is_sock) |
225 | fd = fio_client_connect_sock(client); | |
226 | else | |
227 | fd = fio_client_connect_ip(client); | |
228 | ||
229 | if (fd < 0) | |
230 | return 1; | |
231 | ||
b66570dc | 232 | client->fd = fd; |
bebe6398 | 233 | fio_client_add_hash(client); |
81179eec | 234 | client->state = Client_connected; |
132159a5 JA |
235 | return 0; |
236 | } | |
237 | ||
cc0df00a JA |
238 | void fio_clients_terminate(void) |
239 | { | |
240 | struct flist_head *entry; | |
241 | struct fio_client *client; | |
242 | ||
60efd14e JA |
243 | dprint(FD_NET, "client: terminate clients\n"); |
244 | ||
cc0df00a JA |
245 | flist_for_each(entry, &client_list) { |
246 | client = flist_entry(entry, struct fio_client, list); | |
247 | ||
248 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
249 | } | |
250 | } | |
251 | ||
252 | static void sig_int(int sig) | |
253 | { | |
bebe6398 | 254 | dprint(FD_NET, "client: got signal %d\n", sig); |
cc0df00a JA |
255 | fio_clients_terminate(); |
256 | } | |
257 | ||
258 | static void client_signal_handler(void) | |
259 | { | |
260 | struct sigaction act; | |
261 | ||
262 | memset(&act, 0, sizeof(act)); | |
263 | act.sa_handler = sig_int; | |
264 | act.sa_flags = SA_RESTART; | |
265 | sigaction(SIGINT, &act, NULL); | |
266 | ||
267 | memset(&act, 0, sizeof(act)); | |
268 | act.sa_handler = sig_int; | |
269 | act.sa_flags = SA_RESTART; | |
270 | sigaction(SIGTERM, &act, NULL); | |
271 | } | |
272 | ||
0b8f30a5 JA |
273 | static void probe_client(struct fio_client *client) |
274 | { | |
60efd14e JA |
275 | dprint(FD_NET, "client: send probe\n"); |
276 | ||
0b8f30a5 | 277 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); |
e951bdc4 | 278 | handle_client(client); |
0b8f30a5 JA |
279 | } |
280 | ||
81179eec JA |
281 | static int send_client_cmd_line(struct fio_client *client) |
282 | { | |
283 | struct cmd_line_pdu *pdu; | |
284 | int i, ret; | |
285 | ||
39e8e016 | 286 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 287 | |
81179eec JA |
288 | pdu = malloc(sizeof(*pdu)); |
289 | for (i = 0; i < client->argc; i++) | |
290 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
291 | ||
292 | pdu->argc = cpu_to_le16(client->argc); | |
293 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
294 | free(pdu); | |
295 | return ret; | |
296 | } | |
297 | ||
a37f69b7 JA |
298 | int fio_clients_connect(void) |
299 | { | |
300 | struct fio_client *client; | |
301 | struct flist_head *entry, *tmp; | |
302 | int ret; | |
303 | ||
60efd14e JA |
304 | dprint(FD_NET, "client: connect all\n"); |
305 | ||
cc0df00a JA |
306 | client_signal_handler(); |
307 | ||
a37f69b7 JA |
308 | flist_for_each_safe(entry, tmp, &client_list) { |
309 | client = flist_entry(entry, struct fio_client, list); | |
310 | ||
311 | ret = fio_client_connect(client); | |
0b8f30a5 | 312 | if (ret) { |
a37f69b7 | 313 | remove_client(client); |
0b8f30a5 JA |
314 | continue; |
315 | } | |
316 | ||
317 | probe_client(client); | |
81179eec JA |
318 | |
319 | if (client->argc > 1) | |
320 | send_client_cmd_line(client); | |
a37f69b7 JA |
321 | } |
322 | ||
323 | return !nr_clients; | |
324 | } | |
325 | ||
132159a5 JA |
326 | /* |
327 | * Send file contents to server backend. We could use sendfile(), but to remain | |
328 | * more portable lets just read/write the darn thing. | |
329 | */ | |
a37f69b7 | 330 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
331 | { |
332 | struct stat sb; | |
333 | char *p, *buf; | |
334 | off_t len; | |
335 | int fd, ret; | |
336 | ||
46c48f1f JA |
337 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
338 | ||
132159a5 JA |
339 | fd = open(filename, O_RDONLY); |
340 | if (fd < 0) { | |
e951bdc4 | 341 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
342 | return 1; |
343 | } | |
344 | ||
345 | if (fstat(fd, &sb) < 0) { | |
346 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
b94cba47 | 347 | close(fd); |
132159a5 JA |
348 | return 1; |
349 | } | |
350 | ||
351 | buf = malloc(sb.st_size); | |
352 | ||
353 | len = sb.st_size; | |
354 | p = buf; | |
355 | do { | |
356 | ret = read(fd, p, len); | |
357 | if (ret > 0) { | |
358 | len -= ret; | |
359 | if (!len) | |
360 | break; | |
361 | p += ret; | |
362 | continue; | |
363 | } else if (!ret) | |
364 | break; | |
365 | else if (errno == EAGAIN || errno == EINTR) | |
366 | continue; | |
367 | } while (1); | |
368 | ||
0b8f30a5 JA |
369 | if (len) { |
370 | log_err("fio: failed reading job file %s\n", filename); | |
b94cba47 | 371 | close(fd); |
c524ef72 | 372 | free(buf); |
0b8f30a5 JA |
373 | return 1; |
374 | } | |
375 | ||
81179eec | 376 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 | 377 | free(buf); |
b94cba47 | 378 | close(fd); |
132159a5 JA |
379 | return ret; |
380 | } | |
37db14fe | 381 | |
a37f69b7 JA |
382 | int fio_clients_send_ini(const char *filename) |
383 | { | |
384 | struct fio_client *client; | |
385 | struct flist_head *entry, *tmp; | |
386 | ||
387 | flist_for_each_safe(entry, tmp, &client_list) { | |
388 | client = flist_entry(entry, struct fio_client, list); | |
389 | ||
390 | if (fio_client_send_ini(client, filename)) | |
391 | remove_client(client); | |
392 | } | |
393 | ||
394 | return !nr_clients; | |
395 | } | |
396 | ||
a64e88da JA |
397 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
398 | { | |
399 | dst->max_val = le64_to_cpu(src->max_val); | |
400 | dst->min_val = le64_to_cpu(src->min_val); | |
401 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
402 | |
403 | /* | |
404 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
405 | */ | |
406 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
407 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
408 | } |
409 | ||
410 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
411 | { | |
412 | int i, j; | |
413 | ||
414 | dst->error = le32_to_cpu(src->error); | |
415 | dst->groupid = le32_to_cpu(src->groupid); | |
416 | dst->pid = le32_to_cpu(src->pid); | |
417 | dst->members = le32_to_cpu(src->members); | |
418 | ||
419 | for (i = 0; i < 2; i++) { | |
420 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
421 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
422 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
423 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
424 | } | |
425 | ||
426 | dst->usr_time = le64_to_cpu(src->usr_time); | |
427 | dst->sys_time = le64_to_cpu(src->sys_time); | |
428 | dst->ctx = le64_to_cpu(src->ctx); | |
429 | dst->minf = le64_to_cpu(src->minf); | |
430 | dst->majf = le64_to_cpu(src->majf); | |
431 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
432 | |
433 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
434 | fio_fp64_t *fps = &src->percentile_list[i]; | |
435 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
436 | ||
437 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
438 | } | |
a64e88da JA |
439 | |
440 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
441 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
442 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
443 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
444 | } | |
445 | ||
446 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
447 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
448 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
449 | } | |
450 | ||
451 | for (i = 0; i < 2; i++) | |
452 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
453 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
454 | ||
455 | for (i = 0; i < 3; i++) { | |
456 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 457 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
458 | } |
459 | ||
460 | dst->total_submit = le64_to_cpu(src->total_submit); | |
461 | dst->total_complete = le64_to_cpu(src->total_complete); | |
462 | ||
463 | for (i = 0; i < 2; i++) { | |
464 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
465 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
466 | } | |
467 | ||
468 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
469 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
470 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
471 | dst->first_error = le32_to_cpu(src->first_error); |
472 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
473 | } |
474 | ||
475 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
476 | { | |
477 | int i; | |
478 | ||
479 | for (i = 0; i < 2; i++) { | |
480 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
481 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
482 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
483 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
484 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
485 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
486 | } | |
487 | ||
488 | dst->kb_base = le32_to_cpu(src->kb_base); | |
489 | dst->groupid = le32_to_cpu(src->groupid); | |
490 | } | |
491 | ||
492 | static void handle_ts(struct fio_net_cmd *cmd) | |
493 | { | |
494 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
495 | ||
496 | convert_ts(&p->ts, &p->ts); | |
497 | convert_gs(&p->rs, &p->rs); | |
498 | ||
499 | show_thread_status(&p->ts, &p->rs); | |
500 | } | |
501 | ||
502 | static void handle_gs(struct fio_net_cmd *cmd) | |
503 | { | |
504 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
505 | ||
506 | convert_gs(gs, gs); | |
507 | show_group_stats(gs); | |
508 | } | |
509 | ||
cf451d1e JA |
510 | static void handle_eta(struct fio_net_cmd *cmd) |
511 | { | |
512 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
513 | int i; | |
514 | ||
515 | je->nr_running = le32_to_cpu(je->nr_running); | |
516 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
517 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
518 | je->files_open = le32_to_cpu(je->files_open); | |
519 | je->m_rate = le32_to_cpu(je->m_rate); | |
520 | je->t_rate = le32_to_cpu(je->t_rate); | |
521 | je->m_iops = le32_to_cpu(je->m_iops); | |
522 | je->t_iops = le32_to_cpu(je->t_iops); | |
523 | ||
524 | for (i = 0; i < 2; i++) { | |
525 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
526 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
527 | } | |
528 | ||
529 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
530 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
531 | ||
532 | display_thread_status(je); | |
533 | } | |
534 | ||
b5296ddb | 535 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
2e03b4b2 JA |
536 | { |
537 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
cca84643 | 538 | const char *os, *arch; |
2e03b4b2 | 539 | |
cca84643 JA |
540 | os = fio_get_os_string(probe->os); |
541 | if (!os) | |
542 | os = "unknown"; | |
543 | ||
544 | arch = fio_get_arch_string(probe->arch); | |
545 | if (!arch) | |
546 | os = "unknown"; | |
547 | ||
c71233ee | 548 | log_info("hostname=%s, be=%u, os=%s, arch=%s, fio=%u.%u.%u\n", |
cca84643 | 549 | probe->hostname, probe->bigendian, os, arch, probe->fio_major, |
6eb24791 | 550 | probe->fio_minor, probe->fio_patch); |
b5296ddb JA |
551 | |
552 | if (!client->name) | |
553 | client->name = strdup((char *) probe->hostname); | |
2e03b4b2 JA |
554 | } |
555 | ||
e951bdc4 | 556 | static int handle_client(struct fio_client *client) |
37db14fe JA |
557 | { |
558 | struct fio_net_cmd *cmd; | |
559 | ||
60efd14e JA |
560 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
561 | ||
e951bdc4 JA |
562 | cmd = fio_net_recv_cmd(client->fd); |
563 | if (!cmd) | |
564 | return 0; | |
c2c94585 | 565 | |
e951bdc4 | 566 | dprint(FD_NET, "client: got cmd op %d from %s\n", |
c2c94585 | 567 | cmd->opcode, client->hostname); |
46c48f1f | 568 | |
e951bdc4 JA |
569 | switch (cmd->opcode) { |
570 | case FIO_NET_CMD_QUIT: | |
571 | remove_client(client); | |
572 | free(cmd); | |
573 | break; | |
574 | case FIO_NET_CMD_TEXT: { | |
575 | const char *buf = (const char *) cmd->payload; | |
b5296ddb | 576 | const char *name; |
e951bdc4 JA |
577 | int fio_unused ret; |
578 | ||
b5296ddb JA |
579 | name = client->name ? client->name : client->hostname; |
580 | ||
e951bdc4 | 581 | if (!client->skip_newline) |
b5296ddb | 582 | fprintf(f_out, "<%s> ", name); |
e951bdc4 JA |
583 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); |
584 | fflush(f_out); | |
585 | client->skip_newline = strchr(buf, '\n') == NULL; | |
586 | free(cmd); | |
587 | break; | |
37db14fe | 588 | } |
e951bdc4 JA |
589 | case FIO_NET_CMD_TS: |
590 | handle_ts(cmd); | |
591 | free(cmd); | |
592 | break; | |
593 | case FIO_NET_CMD_GS: | |
594 | handle_gs(cmd); | |
595 | free(cmd); | |
596 | break; | |
597 | case FIO_NET_CMD_ETA: | |
598 | handle_eta(cmd); | |
599 | free(cmd); | |
600 | break; | |
601 | case FIO_NET_CMD_PROBE: | |
b5296ddb | 602 | handle_probe(client, cmd); |
e951bdc4 JA |
603 | free(cmd); |
604 | break; | |
605 | case FIO_NET_CMD_START: | |
606 | client->state = Client_started; | |
607 | free(cmd); | |
608 | break; | |
609 | case FIO_NET_CMD_STOP: | |
610 | client->state = Client_stopped; | |
611 | free(cmd); | |
612 | break; | |
613 | default: | |
614 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
615 | free(cmd); | |
616 | break; | |
37db14fe JA |
617 | } |
618 | ||
e951bdc4 | 619 | return 1; |
37db14fe | 620 | } |
b66570dc JA |
621 | |
622 | int fio_handle_clients(void) | |
623 | { | |
624 | struct fio_client *client; | |
625 | struct flist_head *entry; | |
626 | struct pollfd *pfds; | |
82a4be1b | 627 | int i, ret = 0; |
b66570dc JA |
628 | |
629 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
630 | ||
82a4be1b JA |
631 | while (!exit_backend && nr_clients) { |
632 | i = 0; | |
633 | flist_for_each(entry, &client_list) { | |
634 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 635 | |
82a4be1b JA |
636 | pfds[i].fd = client->fd; |
637 | pfds[i].events = POLLIN; | |
638 | i++; | |
639 | } | |
640 | ||
641 | assert(i == nr_clients); | |
b66570dc | 642 | |
5c2857f9 JA |
643 | do { |
644 | ret = poll(pfds, nr_clients, 100); | |
645 | if (ret < 0) { | |
646 | if (errno == EINTR) | |
647 | continue; | |
648 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
649 | break; | |
650 | } else if (!ret) | |
b66570dc | 651 | continue; |
5c2857f9 | 652 | } while (ret <= 0); |
b66570dc JA |
653 | |
654 | for (i = 0; i < nr_clients; i++) { | |
655 | if (!(pfds[i].revents & POLLIN)) | |
656 | continue; | |
657 | ||
658 | client = find_client_by_fd(pfds[i].fd); | |
659 | if (!client) { | |
3c5f57e3 | 660 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
661 | continue; |
662 | } | |
e951bdc4 | 663 | if (!handle_client(client)) { |
28d3ab07 JA |
664 | log_info("client: host=%s disconnected\n", |
665 | client->hostname); | |
666 | remove_client(client); | |
667 | } | |
b66570dc JA |
668 | } |
669 | } | |
670 | ||
671 | free(pfds); | |
b66570dc JA |
672 | return 0; |
673 | } |