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> |
132159a5 JA |
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" | |
b66570dc | 19 | #include "flist.h" |
3c5f57e3 | 20 | #include "hash.h" |
132159a5 | 21 | |
b66570dc JA |
22 | struct fio_client { |
23 | struct flist_head list; | |
3c5f57e3 JA |
24 | struct flist_head fd_hash_list; |
25 | struct flist_head name_hash_list; | |
b66570dc JA |
26 | struct sockaddr_in addr; |
27 | char *hostname; | |
28 | int fd; | |
81179eec JA |
29 | |
30 | int state; | |
17dd1764 | 31 | int skip_newline; |
81179eec JA |
32 | |
33 | uint16_t argc; | |
34 | char **argv; | |
35 | }; | |
36 | ||
37 | enum { | |
5c2857f9 | 38 | Client_created = 0, |
81179eec JA |
39 | Client_connected = 1, |
40 | Client_started = 2, | |
41 | Client_stopped = 3, | |
5c2857f9 | 42 | Client_exited = 4, |
b66570dc JA |
43 | }; |
44 | ||
45 | static FLIST_HEAD(client_list); | |
b66570dc | 46 | |
3c5f57e3 JA |
47 | #define FIO_CLIENT_HASH_BITS 7 |
48 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) | |
49 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) | |
50 | static struct flist_head client_fd_hash[FIO_CLIENT_HASH_SZ]; | |
51 | static struct flist_head client_name_hash[FIO_CLIENT_HASH_SZ]; | |
52 | ||
e951bdc4 | 53 | static int handle_client(struct fio_client *client); |
0b8f30a5 | 54 | |
3c5f57e3 JA |
55 | static void fio_client_add_fd_hash(struct fio_client *client) |
56 | { | |
57 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); | |
58 | ||
59 | bucket &= FIO_CLIENT_HASH_MASK; | |
60 | flist_add(&client->fd_hash_list, &client_fd_hash[bucket]); | |
61 | } | |
62 | ||
63 | static void fio_client_remove_fd_hash(struct fio_client *client) | |
64 | { | |
65 | if (!flist_empty(&client->fd_hash_list)) | |
66 | flist_del_init(&client->fd_hash_list); | |
67 | } | |
68 | ||
69 | static void fio_client_add_name_hash(struct fio_client *client) | |
70 | { | |
71 | int bucket = jhash(client->hostname, strlen(client->hostname), 0); | |
72 | ||
73 | bucket &= FIO_CLIENT_HASH_MASK; | |
74 | flist_add(&client->name_hash_list, &client_name_hash[bucket]); | |
75 | } | |
76 | ||
77 | static void fio_client_remove_name_hash(struct fio_client *client) | |
78 | { | |
79 | if (!flist_empty(&client->name_hash_list)) | |
80 | flist_del_init(&client->name_hash_list); | |
81 | } | |
82 | ||
83 | static void fio_init fio_client_hash_init(void) | |
84 | { | |
85 | int i; | |
86 | ||
87 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) { | |
88 | INIT_FLIST_HEAD(&client_fd_hash[i]); | |
89 | INIT_FLIST_HEAD(&client_name_hash[i]); | |
90 | } | |
91 | } | |
92 | ||
b66570dc JA |
93 | static struct fio_client *find_client_by_fd(int fd) |
94 | { | |
3c5f57e3 | 95 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
b66570dc JA |
96 | struct fio_client *client; |
97 | struct flist_head *entry; | |
98 | ||
3c5f57e3 JA |
99 | flist_for_each(entry, &client_fd_hash[bucket]) { |
100 | client = flist_entry(entry, struct fio_client, fd_hash_list); | |
b66570dc JA |
101 | |
102 | if (client->fd == fd) | |
103 | return client; | |
104 | } | |
105 | ||
106 | return NULL; | |
107 | } | |
108 | ||
109 | static struct fio_client *find_client_by_name(const char *name) | |
110 | { | |
3c5f57e3 | 111 | int bucket = jhash(name, strlen(name), 0) & FIO_CLIENT_HASH_BITS; |
b66570dc JA |
112 | struct fio_client *client; |
113 | struct flist_head *entry; | |
114 | ||
3c5f57e3 JA |
115 | flist_for_each(entry, &client_name_hash[bucket]) { |
116 | client = flist_entry(entry, struct fio_client, name_hash_list); | |
b66570dc JA |
117 | |
118 | if (!strcmp(name, client->hostname)) | |
119 | return client; | |
120 | } | |
121 | ||
122 | return NULL; | |
123 | } | |
124 | ||
125 | static void remove_client(struct fio_client *client) | |
126 | { | |
39e8e016 | 127 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
b66570dc | 128 | flist_del(&client->list); |
3c5f57e3 JA |
129 | |
130 | fio_client_remove_fd_hash(client); | |
131 | fio_client_remove_name_hash(client); | |
81179eec | 132 | |
b66570dc | 133 | free(client->hostname); |
81179eec JA |
134 | if (client->argv) |
135 | free(client->argv); | |
136 | ||
b66570dc | 137 | free(client); |
3c5f57e3 | 138 | nr_clients--; |
b66570dc | 139 | } |
132159a5 | 140 | |
7a4b8240 JA |
141 | static int __fio_client_add_cmd_option(struct fio_client *client, |
142 | const char *opt) | |
81179eec | 143 | { |
39e8e016 JA |
144 | int index; |
145 | ||
7a4b8240 JA |
146 | if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) { |
147 | log_err("fio: max cmd line number reached.\n"); | |
148 | log_err("fio: cmd line <%s> has been ignored.\n", opt); | |
149 | return 1; | |
150 | } | |
151 | ||
39e8e016 | 152 | index = client->argc++; |
81179eec | 153 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
39e8e016 JA |
154 | client->argv[index] = strdup(opt); |
155 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); | |
7a4b8240 | 156 | return 0; |
81179eec JA |
157 | } |
158 | ||
7a4b8240 | 159 | int fio_client_add_cmd_option(const char *hostname, const char *opt) |
81179eec JA |
160 | { |
161 | struct fio_client *client; | |
162 | ||
163 | if (!hostname || !opt) | |
7a4b8240 | 164 | return 0; |
81179eec JA |
165 | |
166 | client = find_client_by_name(hostname); | |
167 | if (!client) { | |
168 | log_err("fio: unknown client %s\n", hostname); | |
7a4b8240 | 169 | return 1; |
81179eec JA |
170 | } |
171 | ||
7a4b8240 | 172 | return __fio_client_add_cmd_option(client, opt); |
81179eec JA |
173 | } |
174 | ||
a37f69b7 | 175 | void fio_client_add(const char *hostname) |
132159a5 | 176 | { |
b66570dc | 177 | struct fio_client *client; |
132159a5 | 178 | |
39e8e016 | 179 | dprint(FD_NET, "client: added <%s>\n", hostname); |
b66570dc | 180 | client = malloc(sizeof(*client)); |
a37f69b7 | 181 | memset(client, 0, sizeof(*client)); |
81179eec | 182 | |
3c5f57e3 JA |
183 | INIT_FLIST_HEAD(&client->list); |
184 | INIT_FLIST_HEAD(&client->fd_hash_list); | |
185 | INIT_FLIST_HEAD(&client->name_hash_list); | |
186 | ||
a37f69b7 JA |
187 | client->hostname = strdup(hostname); |
188 | client->fd = -1; | |
81179eec | 189 | |
3c5f57e3 JA |
190 | fio_client_add_name_hash(client); |
191 | ||
81179eec JA |
192 | __fio_client_add_cmd_option(client, "fio"); |
193 | ||
a37f69b7 JA |
194 | flist_add(&client->list, &client_list); |
195 | nr_clients++; | |
196 | } | |
197 | ||
198 | static int fio_client_connect(struct fio_client *client) | |
199 | { | |
200 | int fd; | |
132159a5 | 201 | |
39e8e016 | 202 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); |
46c48f1f | 203 | |
b66570dc JA |
204 | memset(&client->addr, 0, sizeof(client->addr)); |
205 | client->addr.sin_family = AF_INET; | |
206 | client->addr.sin_port = htons(fio_net_port); | |
207 | ||
a37f69b7 | 208 | if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) { |
132159a5 JA |
209 | struct hostent *hent; |
210 | ||
a37f69b7 | 211 | hent = gethostbyname(client->hostname); |
132159a5 JA |
212 | if (!hent) { |
213 | log_err("fio: gethostbyname: %s\n", strerror(errno)); | |
e951bdc4 JA |
214 | log_err("fio: failed looking up hostname %s\n", |
215 | client->hostname); | |
132159a5 JA |
216 | return 1; |
217 | } | |
218 | ||
b66570dc | 219 | memcpy(&client->addr.sin_addr, hent->h_addr, 4); |
132159a5 JA |
220 | } |
221 | ||
222 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
223 | if (fd < 0) { | |
224 | log_err("fio: socket: %s\n", strerror(errno)); | |
225 | return 1; | |
226 | } | |
227 | ||
b66570dc | 228 | if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) { |
132159a5 | 229 | log_err("fio: connect: %s\n", strerror(errno)); |
cdf54d85 | 230 | log_err("fio: failed to connect to %s\n", client->hostname); |
132159a5 JA |
231 | return 1; |
232 | } | |
233 | ||
b66570dc | 234 | client->fd = fd; |
3c5f57e3 | 235 | fio_client_add_fd_hash(client); |
81179eec | 236 | client->state = Client_connected; |
132159a5 JA |
237 | return 0; |
238 | } | |
239 | ||
cc0df00a JA |
240 | void fio_clients_terminate(void) |
241 | { | |
242 | struct flist_head *entry; | |
243 | struct fio_client *client; | |
244 | ||
60efd14e JA |
245 | dprint(FD_NET, "client: terminate clients\n"); |
246 | ||
cc0df00a JA |
247 | flist_for_each(entry, &client_list) { |
248 | client = flist_entry(entry, struct fio_client, list); | |
249 | ||
250 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0); | |
251 | } | |
252 | } | |
253 | ||
254 | static void sig_int(int sig) | |
255 | { | |
60efd14e | 256 | dprint(FD_NET, "client: got sign %d\n", sig); |
cc0df00a JA |
257 | fio_clients_terminate(); |
258 | } | |
259 | ||
260 | static void client_signal_handler(void) | |
261 | { | |
262 | struct sigaction act; | |
263 | ||
264 | memset(&act, 0, sizeof(act)); | |
265 | act.sa_handler = sig_int; | |
266 | act.sa_flags = SA_RESTART; | |
267 | sigaction(SIGINT, &act, NULL); | |
268 | ||
269 | memset(&act, 0, sizeof(act)); | |
270 | act.sa_handler = sig_int; | |
271 | act.sa_flags = SA_RESTART; | |
272 | sigaction(SIGTERM, &act, NULL); | |
273 | } | |
274 | ||
0b8f30a5 JA |
275 | static void probe_client(struct fio_client *client) |
276 | { | |
60efd14e JA |
277 | dprint(FD_NET, "client: send probe\n"); |
278 | ||
0b8f30a5 | 279 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0); |
e951bdc4 | 280 | handle_client(client); |
0b8f30a5 JA |
281 | } |
282 | ||
81179eec JA |
283 | static int send_client_cmd_line(struct fio_client *client) |
284 | { | |
285 | struct cmd_line_pdu *pdu; | |
286 | int i, ret; | |
287 | ||
39e8e016 | 288 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
60efd14e | 289 | |
81179eec JA |
290 | pdu = malloc(sizeof(*pdu)); |
291 | for (i = 0; i < client->argc; i++) | |
292 | strcpy((char *) pdu->argv[i], client->argv[i]); | |
293 | ||
294 | pdu->argc = cpu_to_le16(client->argc); | |
295 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu)); | |
296 | free(pdu); | |
297 | return ret; | |
298 | } | |
299 | ||
a37f69b7 JA |
300 | int fio_clients_connect(void) |
301 | { | |
302 | struct fio_client *client; | |
303 | struct flist_head *entry, *tmp; | |
304 | int ret; | |
305 | ||
60efd14e JA |
306 | dprint(FD_NET, "client: connect all\n"); |
307 | ||
cc0df00a JA |
308 | client_signal_handler(); |
309 | ||
a37f69b7 JA |
310 | flist_for_each_safe(entry, tmp, &client_list) { |
311 | client = flist_entry(entry, struct fio_client, list); | |
312 | ||
313 | ret = fio_client_connect(client); | |
0b8f30a5 | 314 | if (ret) { |
a37f69b7 | 315 | remove_client(client); |
0b8f30a5 JA |
316 | continue; |
317 | } | |
318 | ||
319 | probe_client(client); | |
81179eec JA |
320 | |
321 | if (client->argc > 1) | |
322 | send_client_cmd_line(client); | |
a37f69b7 JA |
323 | } |
324 | ||
325 | return !nr_clients; | |
326 | } | |
327 | ||
132159a5 JA |
328 | /* |
329 | * Send file contents to server backend. We could use sendfile(), but to remain | |
330 | * more portable lets just read/write the darn thing. | |
331 | */ | |
a37f69b7 | 332 | static int fio_client_send_ini(struct fio_client *client, const char *filename) |
132159a5 JA |
333 | { |
334 | struct stat sb; | |
335 | char *p, *buf; | |
336 | off_t len; | |
337 | int fd, ret; | |
338 | ||
46c48f1f JA |
339 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
340 | ||
132159a5 JA |
341 | fd = open(filename, O_RDONLY); |
342 | if (fd < 0) { | |
e951bdc4 | 343 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
132159a5 JA |
344 | return 1; |
345 | } | |
346 | ||
347 | if (fstat(fd, &sb) < 0) { | |
348 | log_err("fio: job file stat: %s\n", strerror(errno)); | |
349 | return 1; | |
350 | } | |
351 | ||
352 | buf = malloc(sb.st_size); | |
353 | ||
354 | len = sb.st_size; | |
355 | p = buf; | |
356 | do { | |
357 | ret = read(fd, p, len); | |
358 | if (ret > 0) { | |
359 | len -= ret; | |
360 | if (!len) | |
361 | break; | |
362 | p += ret; | |
363 | continue; | |
364 | } else if (!ret) | |
365 | break; | |
366 | else if (errno == EAGAIN || errno == EINTR) | |
367 | continue; | |
368 | } while (1); | |
369 | ||
0b8f30a5 JA |
370 | if (len) { |
371 | log_err("fio: failed reading job file %s\n", filename); | |
372 | return 1; | |
373 | } | |
374 | ||
81179eec | 375 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size); |
132159a5 JA |
376 | free(buf); |
377 | return ret; | |
378 | } | |
37db14fe | 379 | |
a37f69b7 JA |
380 | int fio_clients_send_ini(const char *filename) |
381 | { | |
382 | struct fio_client *client; | |
383 | struct flist_head *entry, *tmp; | |
384 | ||
385 | flist_for_each_safe(entry, tmp, &client_list) { | |
386 | client = flist_entry(entry, struct fio_client, list); | |
387 | ||
388 | if (fio_client_send_ini(client, filename)) | |
389 | remove_client(client); | |
390 | } | |
391 | ||
392 | return !nr_clients; | |
393 | } | |
394 | ||
a64e88da JA |
395 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
396 | { | |
397 | dst->max_val = le64_to_cpu(src->max_val); | |
398 | dst->min_val = le64_to_cpu(src->min_val); | |
399 | dst->samples = le64_to_cpu(src->samples); | |
802ad4a8 JA |
400 | |
401 | /* | |
402 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double | |
403 | */ | |
404 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); | |
405 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); | |
a64e88da JA |
406 | } |
407 | ||
408 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) | |
409 | { | |
410 | int i, j; | |
411 | ||
412 | dst->error = le32_to_cpu(src->error); | |
413 | dst->groupid = le32_to_cpu(src->groupid); | |
414 | dst->pid = le32_to_cpu(src->pid); | |
415 | dst->members = le32_to_cpu(src->members); | |
416 | ||
417 | for (i = 0; i < 2; i++) { | |
418 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); | |
419 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); | |
420 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); | |
421 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); | |
422 | } | |
423 | ||
424 | dst->usr_time = le64_to_cpu(src->usr_time); | |
425 | dst->sys_time = le64_to_cpu(src->sys_time); | |
426 | dst->ctx = le64_to_cpu(src->ctx); | |
427 | dst->minf = le64_to_cpu(src->minf); | |
428 | dst->majf = le64_to_cpu(src->majf); | |
429 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); | |
802ad4a8 JA |
430 | |
431 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
432 | fio_fp64_t *fps = &src->percentile_list[i]; | |
433 | fio_fp64_t *fpd = &dst->percentile_list[i]; | |
434 | ||
435 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); | |
436 | } | |
a64e88da JA |
437 | |
438 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
439 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); | |
440 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); | |
441 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); | |
442 | } | |
443 | ||
444 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { | |
445 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); | |
446 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); | |
447 | } | |
448 | ||
449 | for (i = 0; i < 2; i++) | |
450 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) | |
451 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); | |
452 | ||
453 | for (i = 0; i < 3; i++) { | |
454 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); | |
93eee04a | 455 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
a64e88da JA |
456 | } |
457 | ||
458 | dst->total_submit = le64_to_cpu(src->total_submit); | |
459 | dst->total_complete = le64_to_cpu(src->total_complete); | |
460 | ||
461 | for (i = 0; i < 2; i++) { | |
462 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); | |
463 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); | |
464 | } | |
465 | ||
466 | dst->total_run_time = le64_to_cpu(src->total_run_time); | |
467 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); | |
468 | dst->total_err_count = le64_to_cpu(src->total_err_count); | |
ddcc0b69 JA |
469 | dst->first_error = le32_to_cpu(src->first_error); |
470 | dst->kb_base = le32_to_cpu(src->kb_base); | |
a64e88da JA |
471 | } |
472 | ||
473 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) | |
474 | { | |
475 | int i; | |
476 | ||
477 | for (i = 0; i < 2; i++) { | |
478 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); | |
479 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); | |
480 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); | |
481 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); | |
482 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); | |
483 | dst->agg[i] = le64_to_cpu(src->agg[i]); | |
484 | } | |
485 | ||
486 | dst->kb_base = le32_to_cpu(src->kb_base); | |
487 | dst->groupid = le32_to_cpu(src->groupid); | |
488 | } | |
489 | ||
490 | static void handle_ts(struct fio_net_cmd *cmd) | |
491 | { | |
492 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; | |
493 | ||
494 | convert_ts(&p->ts, &p->ts); | |
495 | convert_gs(&p->rs, &p->rs); | |
496 | ||
497 | show_thread_status(&p->ts, &p->rs); | |
498 | } | |
499 | ||
500 | static void handle_gs(struct fio_net_cmd *cmd) | |
501 | { | |
502 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; | |
503 | ||
504 | convert_gs(gs, gs); | |
505 | show_group_stats(gs); | |
506 | } | |
507 | ||
cf451d1e JA |
508 | static void handle_eta(struct fio_net_cmd *cmd) |
509 | { | |
510 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; | |
511 | int i; | |
512 | ||
513 | je->nr_running = le32_to_cpu(je->nr_running); | |
514 | je->nr_ramp = le32_to_cpu(je->nr_ramp); | |
515 | je->nr_pending = le32_to_cpu(je->nr_pending); | |
516 | je->files_open = le32_to_cpu(je->files_open); | |
517 | je->m_rate = le32_to_cpu(je->m_rate); | |
518 | je->t_rate = le32_to_cpu(je->t_rate); | |
519 | je->m_iops = le32_to_cpu(je->m_iops); | |
520 | je->t_iops = le32_to_cpu(je->t_iops); | |
521 | ||
522 | for (i = 0; i < 2; i++) { | |
523 | je->rate[i] = le32_to_cpu(je->rate[i]); | |
524 | je->iops[i] = le32_to_cpu(je->iops[i]); | |
525 | } | |
526 | ||
527 | je->elapsed_sec = le32_to_cpu(je->nr_running); | |
528 | je->eta_sec = le64_to_cpu(je->eta_sec); | |
529 | ||
530 | display_thread_status(je); | |
531 | } | |
532 | ||
2e03b4b2 JA |
533 | static void handle_probe(struct fio_net_cmd *cmd) |
534 | { | |
535 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; | |
536 | ||
6eb24791 JA |
537 | log_info("Probe: hostname=%s, be=%u, fio ver %u.%u.%u\n", |
538 | probe->hostname, probe->bigendian, probe->fio_major, | |
539 | probe->fio_minor, probe->fio_patch); | |
2e03b4b2 JA |
540 | } |
541 | ||
e951bdc4 | 542 | static int handle_client(struct fio_client *client) |
37db14fe JA |
543 | { |
544 | struct fio_net_cmd *cmd; | |
545 | ||
60efd14e JA |
546 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
547 | ||
e951bdc4 JA |
548 | cmd = fio_net_recv_cmd(client->fd); |
549 | if (!cmd) | |
550 | return 0; | |
c2c94585 | 551 | |
e951bdc4 | 552 | dprint(FD_NET, "client: got cmd op %d from %s\n", |
c2c94585 | 553 | cmd->opcode, client->hostname); |
46c48f1f | 554 | |
e951bdc4 JA |
555 | switch (cmd->opcode) { |
556 | case FIO_NET_CMD_QUIT: | |
557 | remove_client(client); | |
558 | free(cmd); | |
559 | break; | |
560 | case FIO_NET_CMD_TEXT: { | |
561 | const char *buf = (const char *) cmd->payload; | |
562 | int fio_unused ret; | |
563 | ||
564 | if (!client->skip_newline) | |
565 | fprintf(f_out, "<%s> ", client->hostname); | |
566 | ret = fwrite(buf, cmd->pdu_len, 1, f_out); | |
567 | fflush(f_out); | |
568 | client->skip_newline = strchr(buf, '\n') == NULL; | |
569 | free(cmd); | |
570 | break; | |
37db14fe | 571 | } |
e951bdc4 JA |
572 | case FIO_NET_CMD_TS: |
573 | handle_ts(cmd); | |
574 | free(cmd); | |
575 | break; | |
576 | case FIO_NET_CMD_GS: | |
577 | handle_gs(cmd); | |
578 | free(cmd); | |
579 | break; | |
580 | case FIO_NET_CMD_ETA: | |
581 | handle_eta(cmd); | |
582 | free(cmd); | |
583 | break; | |
584 | case FIO_NET_CMD_PROBE: | |
585 | handle_probe(cmd); | |
586 | free(cmd); | |
587 | break; | |
588 | case FIO_NET_CMD_START: | |
589 | client->state = Client_started; | |
590 | free(cmd); | |
591 | break; | |
592 | case FIO_NET_CMD_STOP: | |
593 | client->state = Client_stopped; | |
594 | free(cmd); | |
595 | break; | |
596 | default: | |
597 | log_err("fio: unknown client op: %d\n", cmd->opcode); | |
598 | free(cmd); | |
599 | break; | |
37db14fe JA |
600 | } |
601 | ||
e951bdc4 | 602 | return 1; |
37db14fe | 603 | } |
b66570dc JA |
604 | |
605 | int fio_handle_clients(void) | |
606 | { | |
607 | struct fio_client *client; | |
608 | struct flist_head *entry; | |
609 | struct pollfd *pfds; | |
82a4be1b | 610 | int i, ret = 0; |
b66570dc JA |
611 | |
612 | pfds = malloc(nr_clients * sizeof(struct pollfd)); | |
613 | ||
82a4be1b JA |
614 | while (!exit_backend && nr_clients) { |
615 | i = 0; | |
616 | flist_for_each(entry, &client_list) { | |
617 | client = flist_entry(entry, struct fio_client, list); | |
b66570dc | 618 | |
82a4be1b JA |
619 | pfds[i].fd = client->fd; |
620 | pfds[i].events = POLLIN; | |
621 | i++; | |
622 | } | |
623 | ||
624 | assert(i == nr_clients); | |
b66570dc | 625 | |
5c2857f9 JA |
626 | do { |
627 | ret = poll(pfds, nr_clients, 100); | |
628 | if (ret < 0) { | |
629 | if (errno == EINTR) | |
630 | continue; | |
631 | log_err("fio: poll clients: %s\n", strerror(errno)); | |
632 | break; | |
633 | } else if (!ret) | |
b66570dc | 634 | continue; |
5c2857f9 | 635 | } while (ret <= 0); |
b66570dc JA |
636 | |
637 | for (i = 0; i < nr_clients; i++) { | |
638 | if (!(pfds[i].revents & POLLIN)) | |
639 | continue; | |
640 | ||
641 | client = find_client_by_fd(pfds[i].fd); | |
642 | if (!client) { | |
3c5f57e3 | 643 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
b66570dc JA |
644 | continue; |
645 | } | |
e951bdc4 | 646 | if (!handle_client(client)) { |
28d3ab07 JA |
647 | log_info("client: host=%s disconnected\n", |
648 | client->hostname); | |
649 | remove_client(client); | |
650 | } | |
b66570dc JA |
651 | } |
652 | } | |
653 | ||
654 | free(pfds); | |
b66570dc JA |
655 | return 0; |
656 | } |