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