| 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/socket.h> |
| 12 | #include <sys/un.h> |
| 13 | #include <netinet/in.h> |
| 14 | #include <arpa/inet.h> |
| 15 | #include <netdb.h> |
| 16 | #include <signal.h> |
| 17 | |
| 18 | #include "fio.h" |
| 19 | #include "client.h" |
| 20 | #include "server.h" |
| 21 | #include "flist.h" |
| 22 | #include "hash.h" |
| 23 | |
| 24 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd); |
| 25 | static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd); |
| 26 | static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd); |
| 27 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd); |
| 28 | static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd); |
| 29 | static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd); |
| 30 | |
| 31 | struct client_ops fio_client_ops = { |
| 32 | .text_op = handle_text, |
| 33 | .disk_util = handle_du, |
| 34 | .thread_status = handle_ts, |
| 35 | .group_stats = handle_gs, |
| 36 | .stop = handle_stop, |
| 37 | .eta = display_thread_status, |
| 38 | .probe = handle_probe, |
| 39 | .eta_msec = FIO_CLIENT_DEF_ETA_MSEC, |
| 40 | }; |
| 41 | |
| 42 | static struct timeval eta_tv; |
| 43 | |
| 44 | static FLIST_HEAD(client_list); |
| 45 | static FLIST_HEAD(eta_list); |
| 46 | |
| 47 | static FLIST_HEAD(arg_list); |
| 48 | |
| 49 | struct thread_stat client_ts; |
| 50 | struct group_run_stats client_gs; |
| 51 | int sum_stat_clients; |
| 52 | |
| 53 | static int sum_stat_nr; |
| 54 | |
| 55 | #define FIO_CLIENT_HASH_BITS 7 |
| 56 | #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) |
| 57 | #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) |
| 58 | static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
| 59 | |
| 60 | static void fio_client_add_hash(struct fio_client *client) |
| 61 | { |
| 62 | int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); |
| 63 | |
| 64 | bucket &= FIO_CLIENT_HASH_MASK; |
| 65 | flist_add(&client->hash_list, &client_hash[bucket]); |
| 66 | } |
| 67 | |
| 68 | static void fio_client_remove_hash(struct fio_client *client) |
| 69 | { |
| 70 | if (!flist_empty(&client->hash_list)) |
| 71 | flist_del_init(&client->hash_list); |
| 72 | } |
| 73 | |
| 74 | static void fio_init fio_client_hash_init(void) |
| 75 | { |
| 76 | int i; |
| 77 | |
| 78 | for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
| 79 | INIT_FLIST_HEAD(&client_hash[i]); |
| 80 | } |
| 81 | |
| 82 | static struct fio_client *find_client_by_fd(int fd) |
| 83 | { |
| 84 | int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
| 85 | struct fio_client *client; |
| 86 | struct flist_head *entry; |
| 87 | |
| 88 | flist_for_each(entry, &client_hash[bucket]) { |
| 89 | client = flist_entry(entry, struct fio_client, hash_list); |
| 90 | |
| 91 | if (client->fd == fd) |
| 92 | return fio_get_client(client); |
| 93 | } |
| 94 | |
| 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | static void remove_client(struct fio_client *client) |
| 99 | { |
| 100 | assert(client->refs); |
| 101 | |
| 102 | if (--client->refs) |
| 103 | return; |
| 104 | |
| 105 | dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
| 106 | flist_del(&client->list); |
| 107 | |
| 108 | fio_client_remove_hash(client); |
| 109 | |
| 110 | if (!flist_empty(&client->eta_list)) { |
| 111 | flist_del_init(&client->eta_list); |
| 112 | fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta); |
| 113 | } |
| 114 | |
| 115 | free(client->hostname); |
| 116 | if (client->argv) |
| 117 | free(client->argv); |
| 118 | if (client->name) |
| 119 | free(client->name); |
| 120 | |
| 121 | free(client); |
| 122 | nr_clients--; |
| 123 | sum_stat_clients--; |
| 124 | } |
| 125 | |
| 126 | void fio_put_client(struct fio_client *client) |
| 127 | { |
| 128 | remove_client(client); |
| 129 | } |
| 130 | |
| 131 | struct fio_client *fio_get_client(struct fio_client *client) |
| 132 | { |
| 133 | client->refs++; |
| 134 | return client; |
| 135 | } |
| 136 | |
| 137 | static void __fio_client_add_cmd_option(struct fio_client *client, |
| 138 | const char *opt) |
| 139 | { |
| 140 | int index; |
| 141 | |
| 142 | index = client->argc++; |
| 143 | client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
| 144 | client->argv[index] = strdup(opt); |
| 145 | dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); |
| 146 | } |
| 147 | |
| 148 | void fio_client_add_cmd_option(void *cookie, const char *opt) |
| 149 | { |
| 150 | struct fio_client *client = cookie; |
| 151 | struct flist_head *entry; |
| 152 | |
| 153 | if (!client || !opt) |
| 154 | return; |
| 155 | |
| 156 | __fio_client_add_cmd_option(client, opt); |
| 157 | |
| 158 | /* |
| 159 | * Duplicate arguments to shared client group |
| 160 | */ |
| 161 | flist_for_each(entry, &arg_list) { |
| 162 | client = flist_entry(entry, struct fio_client, arg_list); |
| 163 | |
| 164 | __fio_client_add_cmd_option(client, opt); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | struct fio_client *fio_client_add_explicit(struct client_ops *ops, |
| 169 | const char *hostname, int type, |
| 170 | int port) |
| 171 | { |
| 172 | struct fio_client *client; |
| 173 | |
| 174 | client = malloc(sizeof(*client)); |
| 175 | memset(client, 0, sizeof(*client)); |
| 176 | |
| 177 | INIT_FLIST_HEAD(&client->list); |
| 178 | INIT_FLIST_HEAD(&client->hash_list); |
| 179 | INIT_FLIST_HEAD(&client->arg_list); |
| 180 | INIT_FLIST_HEAD(&client->eta_list); |
| 181 | INIT_FLIST_HEAD(&client->cmd_list); |
| 182 | |
| 183 | client->hostname = strdup(hostname); |
| 184 | |
| 185 | if (type == Fio_client_socket) |
| 186 | client->is_sock = 1; |
| 187 | else { |
| 188 | int ipv6; |
| 189 | |
| 190 | ipv6 = type == Fio_client_ipv6; |
| 191 | if (fio_server_parse_host(hostname, &ipv6, |
| 192 | &client->addr.sin_addr, |
| 193 | &client->addr6.sin6_addr)) |
| 194 | goto err; |
| 195 | |
| 196 | client->port = port; |
| 197 | } |
| 198 | |
| 199 | client->fd = -1; |
| 200 | client->ops = ops; |
| 201 | client->refs = 1; |
| 202 | |
| 203 | __fio_client_add_cmd_option(client, "fio"); |
| 204 | |
| 205 | flist_add(&client->list, &client_list); |
| 206 | nr_clients++; |
| 207 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
| 208 | return client; |
| 209 | err: |
| 210 | free(client); |
| 211 | return NULL; |
| 212 | } |
| 213 | |
| 214 | int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie) |
| 215 | { |
| 216 | struct fio_client *existing = *cookie; |
| 217 | struct fio_client *client; |
| 218 | |
| 219 | if (existing) { |
| 220 | /* |
| 221 | * We always add our "exec" name as the option, hence 1 |
| 222 | * means empty. |
| 223 | */ |
| 224 | if (existing->argc == 1) |
| 225 | flist_add_tail(&existing->arg_list, &arg_list); |
| 226 | else { |
| 227 | while (!flist_empty(&arg_list)) |
| 228 | flist_del_init(arg_list.next); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | client = malloc(sizeof(*client)); |
| 233 | memset(client, 0, sizeof(*client)); |
| 234 | |
| 235 | INIT_FLIST_HEAD(&client->list); |
| 236 | INIT_FLIST_HEAD(&client->hash_list); |
| 237 | INIT_FLIST_HEAD(&client->arg_list); |
| 238 | INIT_FLIST_HEAD(&client->eta_list); |
| 239 | INIT_FLIST_HEAD(&client->cmd_list); |
| 240 | |
| 241 | if (fio_server_parse_string(hostname, &client->hostname, |
| 242 | &client->is_sock, &client->port, |
| 243 | &client->addr.sin_addr, |
| 244 | &client->addr6.sin6_addr, |
| 245 | &client->ipv6)) |
| 246 | return -1; |
| 247 | |
| 248 | client->fd = -1; |
| 249 | client->ops = ops; |
| 250 | client->refs = 1; |
| 251 | |
| 252 | __fio_client_add_cmd_option(client, "fio"); |
| 253 | |
| 254 | flist_add(&client->list, &client_list); |
| 255 | nr_clients++; |
| 256 | dprint(FD_NET, "client: added <%s>\n", client->hostname); |
| 257 | *cookie = client; |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | static void probe_client(struct fio_client *client) |
| 262 | { |
| 263 | dprint(FD_NET, "client: send probe\n"); |
| 264 | |
| 265 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list); |
| 266 | } |
| 267 | |
| 268 | static int fio_client_connect_ip(struct fio_client *client) |
| 269 | { |
| 270 | struct sockaddr *addr; |
| 271 | fio_socklen_t socklen; |
| 272 | int fd, domain; |
| 273 | |
| 274 | if (client->ipv6) { |
| 275 | client->addr6.sin6_family = AF_INET6; |
| 276 | client->addr6.sin6_port = htons(client->port); |
| 277 | domain = AF_INET6; |
| 278 | addr = (struct sockaddr *) &client->addr6; |
| 279 | socklen = sizeof(client->addr6); |
| 280 | } else { |
| 281 | client->addr.sin_family = AF_INET; |
| 282 | client->addr.sin_port = htons(client->port); |
| 283 | domain = AF_INET; |
| 284 | addr = (struct sockaddr *) &client->addr; |
| 285 | socklen = sizeof(client->addr); |
| 286 | } |
| 287 | |
| 288 | fd = socket(domain, SOCK_STREAM, 0); |
| 289 | if (fd < 0) { |
| 290 | int ret = -errno; |
| 291 | |
| 292 | log_err("fio: socket: %s\n", strerror(errno)); |
| 293 | return ret; |
| 294 | } |
| 295 | |
| 296 | if (connect(fd, addr, socklen) < 0) { |
| 297 | int ret = -errno; |
| 298 | |
| 299 | log_err("fio: connect: %s\n", strerror(errno)); |
| 300 | log_err("fio: failed to connect to %s:%u\n", client->hostname, |
| 301 | client->port); |
| 302 | close(fd); |
| 303 | return ret; |
| 304 | } |
| 305 | |
| 306 | return fd; |
| 307 | } |
| 308 | |
| 309 | static int fio_client_connect_sock(struct fio_client *client) |
| 310 | { |
| 311 | struct sockaddr_un *addr = &client->addr_un; |
| 312 | fio_socklen_t len; |
| 313 | int fd; |
| 314 | |
| 315 | memset(addr, 0, sizeof(*addr)); |
| 316 | addr->sun_family = AF_UNIX; |
| 317 | strcpy(addr->sun_path, client->hostname); |
| 318 | |
| 319 | fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| 320 | if (fd < 0) { |
| 321 | int ret = -errno; |
| 322 | |
| 323 | log_err("fio: socket: %s\n", strerror(errno)); |
| 324 | return ret; |
| 325 | } |
| 326 | |
| 327 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; |
| 328 | if (connect(fd, (struct sockaddr *) addr, len) < 0) { |
| 329 | int ret = -errno; |
| 330 | |
| 331 | log_err("fio: connect; %s\n", strerror(errno)); |
| 332 | close(fd); |
| 333 | return ret; |
| 334 | } |
| 335 | |
| 336 | return fd; |
| 337 | } |
| 338 | |
| 339 | int fio_client_connect(struct fio_client *client) |
| 340 | { |
| 341 | int fd; |
| 342 | |
| 343 | dprint(FD_NET, "client: connect to host %s\n", client->hostname); |
| 344 | |
| 345 | if (client->is_sock) |
| 346 | fd = fio_client_connect_sock(client); |
| 347 | else |
| 348 | fd = fio_client_connect_ip(client); |
| 349 | |
| 350 | dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd); |
| 351 | |
| 352 | if (fd < 0) |
| 353 | return fd; |
| 354 | |
| 355 | client->fd = fd; |
| 356 | fio_client_add_hash(client); |
| 357 | client->state = Client_connected; |
| 358 | |
| 359 | probe_client(client); |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | void fio_client_terminate(struct fio_client *client) |
| 364 | { |
| 365 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL); |
| 366 | } |
| 367 | |
| 368 | void fio_clients_terminate(void) |
| 369 | { |
| 370 | struct flist_head *entry; |
| 371 | struct fio_client *client; |
| 372 | |
| 373 | dprint(FD_NET, "client: terminate clients\n"); |
| 374 | |
| 375 | flist_for_each(entry, &client_list) { |
| 376 | client = flist_entry(entry, struct fio_client, list); |
| 377 | fio_client_terminate(client); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | static void sig_int(int sig) |
| 382 | { |
| 383 | dprint(FD_NET, "client: got signal %d\n", sig); |
| 384 | fio_clients_terminate(); |
| 385 | } |
| 386 | |
| 387 | static void client_signal_handler(void) |
| 388 | { |
| 389 | struct sigaction act; |
| 390 | |
| 391 | memset(&act, 0, sizeof(act)); |
| 392 | act.sa_handler = sig_int; |
| 393 | act.sa_flags = SA_RESTART; |
| 394 | sigaction(SIGINT, &act, NULL); |
| 395 | |
| 396 | memset(&act, 0, sizeof(act)); |
| 397 | act.sa_handler = sig_int; |
| 398 | act.sa_flags = SA_RESTART; |
| 399 | sigaction(SIGTERM, &act, NULL); |
| 400 | } |
| 401 | |
| 402 | static int send_client_cmd_line(struct fio_client *client) |
| 403 | { |
| 404 | struct cmd_single_line_pdu *cslp; |
| 405 | struct cmd_line_pdu *clp; |
| 406 | unsigned long offset; |
| 407 | unsigned int *lens; |
| 408 | void *pdu; |
| 409 | size_t mem; |
| 410 | int i, ret; |
| 411 | |
| 412 | dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
| 413 | |
| 414 | lens = malloc(client->argc * sizeof(unsigned int)); |
| 415 | |
| 416 | /* |
| 417 | * Find out how much mem we need |
| 418 | */ |
| 419 | for (i = 0, mem = 0; i < client->argc; i++) { |
| 420 | lens[i] = strlen(client->argv[i]) + 1; |
| 421 | mem += lens[i]; |
| 422 | } |
| 423 | |
| 424 | /* |
| 425 | * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu |
| 426 | */ |
| 427 | mem += sizeof(*clp) + (client->argc * sizeof(*cslp)); |
| 428 | |
| 429 | pdu = malloc(mem); |
| 430 | clp = pdu; |
| 431 | offset = sizeof(*clp); |
| 432 | |
| 433 | for (i = 0; i < client->argc; i++) { |
| 434 | uint16_t arg_len = lens[i]; |
| 435 | |
| 436 | cslp = pdu + offset; |
| 437 | strcpy((char *) cslp->text, client->argv[i]); |
| 438 | cslp->len = cpu_to_le16(arg_len); |
| 439 | offset += sizeof(*cslp) + arg_len; |
| 440 | } |
| 441 | |
| 442 | free(lens); |
| 443 | clp->lines = cpu_to_le16(client->argc); |
| 444 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0); |
| 445 | free(pdu); |
| 446 | return ret; |
| 447 | } |
| 448 | |
| 449 | int fio_clients_connect(void) |
| 450 | { |
| 451 | struct fio_client *client; |
| 452 | struct flist_head *entry, *tmp; |
| 453 | int ret; |
| 454 | |
| 455 | #ifdef WIN32 |
| 456 | WSADATA wsd; |
| 457 | WSAStartup(MAKEWORD(2,2), &wsd); |
| 458 | #endif |
| 459 | |
| 460 | dprint(FD_NET, "client: connect all\n"); |
| 461 | |
| 462 | client_signal_handler(); |
| 463 | |
| 464 | flist_for_each_safe(entry, tmp, &client_list) { |
| 465 | client = flist_entry(entry, struct fio_client, list); |
| 466 | |
| 467 | ret = fio_client_connect(client); |
| 468 | if (ret) { |
| 469 | remove_client(client); |
| 470 | continue; |
| 471 | } |
| 472 | |
| 473 | if (client->argc > 1) |
| 474 | send_client_cmd_line(client); |
| 475 | } |
| 476 | |
| 477 | return !nr_clients; |
| 478 | } |
| 479 | |
| 480 | int fio_start_client(struct fio_client *client) |
| 481 | { |
| 482 | dprint(FD_NET, "client: start %s\n", client->hostname); |
| 483 | return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL); |
| 484 | } |
| 485 | |
| 486 | int fio_start_all_clients(void) |
| 487 | { |
| 488 | struct fio_client *client; |
| 489 | struct flist_head *entry, *tmp; |
| 490 | int ret; |
| 491 | |
| 492 | dprint(FD_NET, "client: start all\n"); |
| 493 | |
| 494 | flist_for_each_safe(entry, tmp, &client_list) { |
| 495 | client = flist_entry(entry, struct fio_client, list); |
| 496 | |
| 497 | ret = fio_start_client(client); |
| 498 | if (ret) { |
| 499 | remove_client(client); |
| 500 | continue; |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | return flist_empty(&client_list); |
| 505 | } |
| 506 | |
| 507 | /* |
| 508 | * Send file contents to server backend. We could use sendfile(), but to remain |
| 509 | * more portable lets just read/write the darn thing. |
| 510 | */ |
| 511 | static int __fio_client_send_ini(struct fio_client *client, const char *filename) |
| 512 | { |
| 513 | struct stat sb; |
| 514 | char *p, *buf; |
| 515 | off_t len; |
| 516 | int fd, ret; |
| 517 | |
| 518 | dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
| 519 | |
| 520 | fd = open(filename, O_RDONLY); |
| 521 | if (fd < 0) { |
| 522 | int ret = -errno; |
| 523 | |
| 524 | log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
| 525 | return ret; |
| 526 | } |
| 527 | |
| 528 | if (fstat(fd, &sb) < 0) { |
| 529 | int ret = -errno; |
| 530 | |
| 531 | log_err("fio: job file stat: %s\n", strerror(errno)); |
| 532 | close(fd); |
| 533 | return ret; |
| 534 | } |
| 535 | |
| 536 | buf = malloc(sb.st_size); |
| 537 | |
| 538 | len = sb.st_size; |
| 539 | p = buf; |
| 540 | do { |
| 541 | ret = read(fd, p, len); |
| 542 | if (ret > 0) { |
| 543 | len -= ret; |
| 544 | if (!len) |
| 545 | break; |
| 546 | p += ret; |
| 547 | continue; |
| 548 | } else if (!ret) |
| 549 | break; |
| 550 | else if (errno == EAGAIN || errno == EINTR) |
| 551 | continue; |
| 552 | } while (1); |
| 553 | |
| 554 | if (len) { |
| 555 | log_err("fio: failed reading job file %s\n", filename); |
| 556 | close(fd); |
| 557 | free(buf); |
| 558 | return 1; |
| 559 | } |
| 560 | |
| 561 | client->sent_job = 1; |
| 562 | ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0); |
| 563 | free(buf); |
| 564 | close(fd); |
| 565 | return ret; |
| 566 | } |
| 567 | |
| 568 | int fio_client_send_ini(struct fio_client *client, const char *filename) |
| 569 | { |
| 570 | int ret; |
| 571 | |
| 572 | ret = __fio_client_send_ini(client, filename); |
| 573 | if (ret) { |
| 574 | remove_client(client); |
| 575 | return ret; |
| 576 | } |
| 577 | |
| 578 | client->sent_job = 1; |
| 579 | return ret; |
| 580 | } |
| 581 | |
| 582 | int fio_clients_send_ini(const char *filename) |
| 583 | { |
| 584 | struct fio_client *client; |
| 585 | struct flist_head *entry, *tmp; |
| 586 | |
| 587 | flist_for_each_safe(entry, tmp, &client_list) { |
| 588 | client = flist_entry(entry, struct fio_client, list); |
| 589 | |
| 590 | fio_client_send_ini(client, filename); |
| 591 | } |
| 592 | |
| 593 | return !nr_clients; |
| 594 | } |
| 595 | |
| 596 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
| 597 | { |
| 598 | dst->max_val = le64_to_cpu(src->max_val); |
| 599 | dst->min_val = le64_to_cpu(src->min_val); |
| 600 | dst->samples = le64_to_cpu(src->samples); |
| 601 | |
| 602 | /* |
| 603 | * Floats arrive as IEEE 754 encoded uint64_t, convert back to double |
| 604 | */ |
| 605 | dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); |
| 606 | dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); |
| 607 | } |
| 608 | |
| 609 | static void convert_ts(struct thread_stat *dst, struct thread_stat *src) |
| 610 | { |
| 611 | int i, j; |
| 612 | |
| 613 | dst->error = le32_to_cpu(src->error); |
| 614 | dst->groupid = le32_to_cpu(src->groupid); |
| 615 | dst->pid = le32_to_cpu(src->pid); |
| 616 | dst->members = le32_to_cpu(src->members); |
| 617 | |
| 618 | for (i = 0; i < 2; i++) { |
| 619 | convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); |
| 620 | convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); |
| 621 | convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); |
| 622 | convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); |
| 623 | } |
| 624 | |
| 625 | dst->usr_time = le64_to_cpu(src->usr_time); |
| 626 | dst->sys_time = le64_to_cpu(src->sys_time); |
| 627 | dst->ctx = le64_to_cpu(src->ctx); |
| 628 | dst->minf = le64_to_cpu(src->minf); |
| 629 | dst->majf = le64_to_cpu(src->majf); |
| 630 | dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); |
| 631 | |
| 632 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
| 633 | fio_fp64_t *fps = &src->percentile_list[i]; |
| 634 | fio_fp64_t *fpd = &dst->percentile_list[i]; |
| 635 | |
| 636 | fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); |
| 637 | } |
| 638 | |
| 639 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| 640 | dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); |
| 641 | dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); |
| 642 | dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); |
| 643 | } |
| 644 | |
| 645 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { |
| 646 | dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); |
| 647 | dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); |
| 648 | } |
| 649 | |
| 650 | for (i = 0; i < 2; i++) |
| 651 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
| 652 | dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); |
| 653 | |
| 654 | for (i = 0; i < 3; i++) { |
| 655 | dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); |
| 656 | dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
| 657 | } |
| 658 | |
| 659 | dst->total_submit = le64_to_cpu(src->total_submit); |
| 660 | dst->total_complete = le64_to_cpu(src->total_complete); |
| 661 | |
| 662 | for (i = 0; i < 2; i++) { |
| 663 | dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); |
| 664 | dst->runtime[i] = le64_to_cpu(src->runtime[i]); |
| 665 | } |
| 666 | |
| 667 | dst->total_run_time = le64_to_cpu(src->total_run_time); |
| 668 | dst->continue_on_error = le16_to_cpu(src->continue_on_error); |
| 669 | dst->total_err_count = le64_to_cpu(src->total_err_count); |
| 670 | dst->first_error = le32_to_cpu(src->first_error); |
| 671 | dst->kb_base = le32_to_cpu(src->kb_base); |
| 672 | } |
| 673 | |
| 674 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) |
| 675 | { |
| 676 | int i; |
| 677 | |
| 678 | for (i = 0; i < 2; i++) { |
| 679 | dst->max_run[i] = le64_to_cpu(src->max_run[i]); |
| 680 | dst->min_run[i] = le64_to_cpu(src->min_run[i]); |
| 681 | dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); |
| 682 | dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); |
| 683 | dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); |
| 684 | dst->agg[i] = le64_to_cpu(src->agg[i]); |
| 685 | } |
| 686 | |
| 687 | dst->kb_base = le32_to_cpu(src->kb_base); |
| 688 | dst->groupid = le32_to_cpu(src->groupid); |
| 689 | } |
| 690 | |
| 691 | static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd) |
| 692 | { |
| 693 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; |
| 694 | |
| 695 | show_thread_status(&p->ts, &p->rs); |
| 696 | |
| 697 | if (sum_stat_clients == 1) |
| 698 | return; |
| 699 | |
| 700 | sum_thread_stats(&client_ts, &p->ts, sum_stat_nr); |
| 701 | sum_group_stats(&client_gs, &p->rs); |
| 702 | |
| 703 | client_ts.members++; |
| 704 | client_ts.groupid = p->ts.groupid; |
| 705 | |
| 706 | if (++sum_stat_nr == sum_stat_clients) { |
| 707 | strcpy(client_ts.name, "All clients"); |
| 708 | show_thread_status(&client_ts, &client_gs); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd) |
| 713 | { |
| 714 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; |
| 715 | |
| 716 | show_group_stats(gs); |
| 717 | } |
| 718 | |
| 719 | static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd) |
| 720 | { |
| 721 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload; |
| 722 | const char *buf = (const char *) pdu->buf; |
| 723 | const char *name; |
| 724 | int fio_unused ret; |
| 725 | |
| 726 | name = client->name ? client->name : client->hostname; |
| 727 | |
| 728 | if (!client->skip_newline) |
| 729 | fprintf(f_out, "<%s> ", name); |
| 730 | ret = fwrite(buf, pdu->buf_len, 1, f_out); |
| 731 | fflush(f_out); |
| 732 | client->skip_newline = strchr(buf, '\n') == NULL; |
| 733 | } |
| 734 | |
| 735 | static void convert_agg(struct disk_util_agg *agg) |
| 736 | { |
| 737 | int i; |
| 738 | |
| 739 | for (i = 0; i < 2; i++) { |
| 740 | agg->ios[i] = le32_to_cpu(agg->ios[i]); |
| 741 | agg->merges[i] = le32_to_cpu(agg->merges[i]); |
| 742 | agg->sectors[i] = le64_to_cpu(agg->sectors[i]); |
| 743 | agg->ticks[i] = le32_to_cpu(agg->ticks[i]); |
| 744 | } |
| 745 | |
| 746 | agg->io_ticks = le32_to_cpu(agg->io_ticks); |
| 747 | agg->time_in_queue = le32_to_cpu(agg->time_in_queue); |
| 748 | agg->slavecount = le32_to_cpu(agg->slavecount); |
| 749 | agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i)); |
| 750 | } |
| 751 | |
| 752 | static void convert_dus(struct disk_util_stat *dus) |
| 753 | { |
| 754 | int i; |
| 755 | |
| 756 | for (i = 0; i < 2; i++) { |
| 757 | dus->ios[i] = le32_to_cpu(dus->ios[i]); |
| 758 | dus->merges[i] = le32_to_cpu(dus->merges[i]); |
| 759 | dus->sectors[i] = le64_to_cpu(dus->sectors[i]); |
| 760 | dus->ticks[i] = le32_to_cpu(dus->ticks[i]); |
| 761 | } |
| 762 | |
| 763 | dus->io_ticks = le32_to_cpu(dus->io_ticks); |
| 764 | dus->time_in_queue = le32_to_cpu(dus->time_in_queue); |
| 765 | dus->msec = le64_to_cpu(dus->msec); |
| 766 | } |
| 767 | |
| 768 | static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd) |
| 769 | { |
| 770 | struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; |
| 771 | |
| 772 | if (!client->disk_stats_shown) { |
| 773 | client->disk_stats_shown = 1; |
| 774 | log_info("\nDisk stats (read/write):\n"); |
| 775 | } |
| 776 | |
| 777 | print_disk_util(&du->dus, &du->agg, terse_output); |
| 778 | } |
| 779 | |
| 780 | static void convert_jobs_eta(struct jobs_eta *je) |
| 781 | { |
| 782 | int i; |
| 783 | |
| 784 | je->nr_running = le32_to_cpu(je->nr_running); |
| 785 | je->nr_ramp = le32_to_cpu(je->nr_ramp); |
| 786 | je->nr_pending = le32_to_cpu(je->nr_pending); |
| 787 | je->files_open = le32_to_cpu(je->files_open); |
| 788 | |
| 789 | for (i = 0; i < 2; i++) { |
| 790 | je->m_rate[i] = le32_to_cpu(je->m_rate[i]); |
| 791 | je->t_rate[i] = le32_to_cpu(je->t_rate[i]); |
| 792 | je->m_iops[i] = le32_to_cpu(je->m_iops[i]); |
| 793 | je->t_iops[i] = le32_to_cpu(je->t_iops[i]); |
| 794 | je->rate[i] = le32_to_cpu(je->rate[i]); |
| 795 | je->iops[i] = le32_to_cpu(je->iops[i]); |
| 796 | } |
| 797 | |
| 798 | je->elapsed_sec = le64_to_cpu(je->elapsed_sec); |
| 799 | je->eta_sec = le64_to_cpu(je->eta_sec); |
| 800 | je->nr_threads = le32_to_cpu(je->nr_threads); |
| 801 | } |
| 802 | |
| 803 | void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je) |
| 804 | { |
| 805 | int i; |
| 806 | |
| 807 | dst->nr_running += je->nr_running; |
| 808 | dst->nr_ramp += je->nr_ramp; |
| 809 | dst->nr_pending += je->nr_pending; |
| 810 | dst->files_open += je->files_open; |
| 811 | |
| 812 | for (i = 0; i < 2; i++) { |
| 813 | dst->m_rate[i] += je->m_rate[i]; |
| 814 | dst->t_rate[i] += je->t_rate[i]; |
| 815 | dst->m_iops[i] += je->m_iops[i]; |
| 816 | dst->t_iops[i] += je->t_iops[i]; |
| 817 | dst->rate[i] += je->rate[i]; |
| 818 | dst->iops[i] += je->iops[i]; |
| 819 | } |
| 820 | |
| 821 | dst->elapsed_sec += je->elapsed_sec; |
| 822 | |
| 823 | if (je->eta_sec > dst->eta_sec) |
| 824 | dst->eta_sec = je->eta_sec; |
| 825 | |
| 826 | dst->nr_threads += je->nr_threads; |
| 827 | /* we need to handle je->run_str too ... */ |
| 828 | } |
| 829 | |
| 830 | void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn) |
| 831 | { |
| 832 | if (!--eta->pending) { |
| 833 | eta_fn(&eta->eta); |
| 834 | free(eta); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd) |
| 839 | { |
| 840 | struct fio_net_int_cmd *icmd = NULL; |
| 841 | struct flist_head *entry; |
| 842 | |
| 843 | flist_for_each(entry, &client->cmd_list) { |
| 844 | icmd = flist_entry(entry, struct fio_net_int_cmd, list); |
| 845 | |
| 846 | if (cmd->tag == (uintptr_t) icmd) |
| 847 | break; |
| 848 | |
| 849 | icmd = NULL; |
| 850 | } |
| 851 | |
| 852 | if (!icmd) { |
| 853 | log_err("fio: client: unable to find matching tag\n"); |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | flist_del(&icmd->list); |
| 858 | cmd->tag = icmd->saved_tag; |
| 859 | free(icmd); |
| 860 | } |
| 861 | |
| 862 | static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) |
| 863 | { |
| 864 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; |
| 865 | struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag; |
| 866 | |
| 867 | dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending); |
| 868 | |
| 869 | assert(client->eta_in_flight == eta); |
| 870 | |
| 871 | client->eta_in_flight = NULL; |
| 872 | flist_del_init(&client->eta_list); |
| 873 | |
| 874 | if (client->ops->jobs_eta) |
| 875 | client->ops->jobs_eta(client, je); |
| 876 | |
| 877 | fio_client_sum_jobs_eta(&eta->eta, je); |
| 878 | fio_client_dec_jobs_eta(eta, client->ops->eta); |
| 879 | } |
| 880 | |
| 881 | static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
| 882 | { |
| 883 | struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload; |
| 884 | const char *os, *arch; |
| 885 | char bit[16]; |
| 886 | |
| 887 | os = fio_get_os_string(probe->os); |
| 888 | if (!os) |
| 889 | os = "unknown"; |
| 890 | |
| 891 | arch = fio_get_arch_string(probe->arch); |
| 892 | if (!arch) |
| 893 | os = "unknown"; |
| 894 | |
| 895 | sprintf(bit, "%d-bit", probe->bpp * 8); |
| 896 | |
| 897 | log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n", |
| 898 | probe->hostname, probe->bigendian, bit, os, arch, |
| 899 | probe->fio_major, probe->fio_minor, probe->fio_patch); |
| 900 | |
| 901 | if (!client->name) |
| 902 | client->name = strdup((char *) probe->hostname); |
| 903 | } |
| 904 | |
| 905 | static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd) |
| 906 | { |
| 907 | struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; |
| 908 | |
| 909 | client->state = Client_started; |
| 910 | client->jobs = le32_to_cpu(pdu->jobs); |
| 911 | } |
| 912 | |
| 913 | static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd) |
| 914 | { |
| 915 | if (client->error) |
| 916 | log_info("client <%s>: exited with error %d\n", client->hostname, client->error); |
| 917 | } |
| 918 | |
| 919 | static void convert_stop(struct fio_net_cmd *cmd) |
| 920 | { |
| 921 | struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; |
| 922 | |
| 923 | pdu->error = le32_to_cpu(pdu->error); |
| 924 | } |
| 925 | |
| 926 | static void convert_text(struct fio_net_cmd *cmd) |
| 927 | { |
| 928 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload; |
| 929 | |
| 930 | pdu->level = le32_to_cpu(pdu->level); |
| 931 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
| 932 | pdu->log_sec = le64_to_cpu(pdu->log_sec); |
| 933 | pdu->log_usec = le64_to_cpu(pdu->log_usec); |
| 934 | } |
| 935 | |
| 936 | int fio_handle_client(struct fio_client *client) |
| 937 | { |
| 938 | struct client_ops *ops = client->ops; |
| 939 | struct fio_net_cmd *cmd; |
| 940 | |
| 941 | dprint(FD_NET, "client: handle %s\n", client->hostname); |
| 942 | |
| 943 | cmd = fio_net_recv_cmd(client->fd); |
| 944 | if (!cmd) |
| 945 | return 0; |
| 946 | |
| 947 | dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n", |
| 948 | fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len); |
| 949 | |
| 950 | switch (cmd->opcode) { |
| 951 | case FIO_NET_CMD_QUIT: |
| 952 | if (ops->quit) |
| 953 | ops->quit(client); |
| 954 | remove_client(client); |
| 955 | free(cmd); |
| 956 | break; |
| 957 | case FIO_NET_CMD_TEXT: |
| 958 | convert_text(cmd); |
| 959 | ops->text_op(client, cmd); |
| 960 | free(cmd); |
| 961 | break; |
| 962 | case FIO_NET_CMD_DU: { |
| 963 | struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; |
| 964 | |
| 965 | convert_dus(&du->dus); |
| 966 | convert_agg(&du->agg); |
| 967 | |
| 968 | ops->disk_util(client, cmd); |
| 969 | free(cmd); |
| 970 | break; |
| 971 | } |
| 972 | case FIO_NET_CMD_TS: { |
| 973 | struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; |
| 974 | |
| 975 | convert_ts(&p->ts, &p->ts); |
| 976 | convert_gs(&p->rs, &p->rs); |
| 977 | |
| 978 | ops->thread_status(client, cmd); |
| 979 | free(cmd); |
| 980 | break; |
| 981 | } |
| 982 | case FIO_NET_CMD_GS: { |
| 983 | struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; |
| 984 | |
| 985 | convert_gs(gs, gs); |
| 986 | |
| 987 | ops->group_stats(client, cmd); |
| 988 | free(cmd); |
| 989 | break; |
| 990 | } |
| 991 | case FIO_NET_CMD_ETA: { |
| 992 | struct jobs_eta *je = (struct jobs_eta *) cmd->payload; |
| 993 | |
| 994 | remove_reply_cmd(client, cmd); |
| 995 | convert_jobs_eta(je); |
| 996 | handle_eta(client, cmd); |
| 997 | free(cmd); |
| 998 | break; |
| 999 | } |
| 1000 | case FIO_NET_CMD_PROBE: |
| 1001 | remove_reply_cmd(client, cmd); |
| 1002 | ops->probe(client, cmd); |
| 1003 | free(cmd); |
| 1004 | break; |
| 1005 | case FIO_NET_CMD_SERVER_START: |
| 1006 | client->state = Client_running; |
| 1007 | free(cmd); |
| 1008 | break; |
| 1009 | case FIO_NET_CMD_START: |
| 1010 | handle_start(client, cmd); |
| 1011 | free(cmd); |
| 1012 | break; |
| 1013 | case FIO_NET_CMD_STOP: { |
| 1014 | struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; |
| 1015 | |
| 1016 | convert_stop(cmd); |
| 1017 | client->state = Client_stopped; |
| 1018 | client->error = pdu->error; |
| 1019 | ops->stop(client, cmd); |
| 1020 | free(cmd); |
| 1021 | break; |
| 1022 | } |
| 1023 | case FIO_NET_CMD_ADD_JOB: |
| 1024 | if (ops->add_job) |
| 1025 | ops->add_job(client, cmd); |
| 1026 | free(cmd); |
| 1027 | break; |
| 1028 | default: |
| 1029 | log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode)); |
| 1030 | free(cmd); |
| 1031 | break; |
| 1032 | } |
| 1033 | |
| 1034 | return 1; |
| 1035 | } |
| 1036 | |
| 1037 | static void request_client_etas(struct client_ops *ops) |
| 1038 | { |
| 1039 | struct fio_client *client; |
| 1040 | struct flist_head *entry; |
| 1041 | struct client_eta *eta; |
| 1042 | int skipped = 0; |
| 1043 | |
| 1044 | dprint(FD_NET, "client: request eta (%d)\n", nr_clients); |
| 1045 | |
| 1046 | eta = malloc(sizeof(*eta)); |
| 1047 | memset(&eta->eta, 0, sizeof(eta->eta)); |
| 1048 | eta->pending = nr_clients; |
| 1049 | |
| 1050 | flist_for_each(entry, &client_list) { |
| 1051 | client = flist_entry(entry, struct fio_client, list); |
| 1052 | |
| 1053 | if (!flist_empty(&client->eta_list)) { |
| 1054 | skipped++; |
| 1055 | continue; |
| 1056 | } |
| 1057 | if (client->state != Client_running) |
| 1058 | continue; |
| 1059 | |
| 1060 | assert(!client->eta_in_flight); |
| 1061 | flist_add_tail(&client->eta_list, &eta_list); |
| 1062 | client->eta_in_flight = eta; |
| 1063 | fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA, |
| 1064 | (uintptr_t) eta, &client->cmd_list); |
| 1065 | } |
| 1066 | |
| 1067 | while (skipped--) |
| 1068 | fio_client_dec_jobs_eta(eta, ops->eta); |
| 1069 | |
| 1070 | dprint(FD_NET, "client: requested eta tag %p\n", eta); |
| 1071 | } |
| 1072 | |
| 1073 | static int client_check_cmd_timeout(struct fio_client *client, |
| 1074 | struct timeval *now) |
| 1075 | { |
| 1076 | struct fio_net_int_cmd *cmd; |
| 1077 | struct flist_head *entry, *tmp; |
| 1078 | int ret = 0; |
| 1079 | |
| 1080 | flist_for_each_safe(entry, tmp, &client->cmd_list) { |
| 1081 | cmd = flist_entry(entry, struct fio_net_int_cmd, list); |
| 1082 | |
| 1083 | if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT) |
| 1084 | continue; |
| 1085 | |
| 1086 | log_err("fio: client %s, timeout on cmd %s\n", client->hostname, |
| 1087 | fio_server_op(cmd->cmd.opcode)); |
| 1088 | flist_del(&cmd->list); |
| 1089 | free(cmd); |
| 1090 | ret = 1; |
| 1091 | } |
| 1092 | |
| 1093 | return flist_empty(&client->cmd_list) && ret; |
| 1094 | } |
| 1095 | |
| 1096 | static int fio_check_clients_timed_out(void) |
| 1097 | { |
| 1098 | struct fio_client *client; |
| 1099 | struct flist_head *entry, *tmp; |
| 1100 | struct timeval tv; |
| 1101 | int ret = 0; |
| 1102 | |
| 1103 | gettimeofday(&tv, NULL); |
| 1104 | |
| 1105 | flist_for_each_safe(entry, tmp, &client_list) { |
| 1106 | client = flist_entry(entry, struct fio_client, list); |
| 1107 | |
| 1108 | if (flist_empty(&client->cmd_list)) |
| 1109 | continue; |
| 1110 | |
| 1111 | if (!client_check_cmd_timeout(client, &tv)) |
| 1112 | continue; |
| 1113 | |
| 1114 | if (client->ops->timed_out) |
| 1115 | client->ops->timed_out(client); |
| 1116 | else |
| 1117 | log_err("fio: client %s timed out\n", client->hostname); |
| 1118 | |
| 1119 | remove_client(client); |
| 1120 | ret = 1; |
| 1121 | } |
| 1122 | |
| 1123 | return ret; |
| 1124 | } |
| 1125 | |
| 1126 | int fio_handle_clients(struct client_ops *ops) |
| 1127 | { |
| 1128 | struct pollfd *pfds; |
| 1129 | int i, ret = 0, retval = 0; |
| 1130 | |
| 1131 | gettimeofday(&eta_tv, NULL); |
| 1132 | |
| 1133 | pfds = malloc(nr_clients * sizeof(struct pollfd)); |
| 1134 | |
| 1135 | sum_stat_clients = nr_clients; |
| 1136 | init_thread_stat(&client_ts); |
| 1137 | init_group_run_stat(&client_gs); |
| 1138 | |
| 1139 | while (!exit_backend && nr_clients) { |
| 1140 | struct flist_head *entry, *tmp; |
| 1141 | struct fio_client *client; |
| 1142 | |
| 1143 | i = 0; |
| 1144 | flist_for_each_safe(entry, tmp, &client_list) { |
| 1145 | client = flist_entry(entry, struct fio_client, list); |
| 1146 | |
| 1147 | if (!client->sent_job && !client->ops->stay_connected && |
| 1148 | flist_empty(&client->cmd_list)) { |
| 1149 | remove_client(client); |
| 1150 | continue; |
| 1151 | } |
| 1152 | |
| 1153 | pfds[i].fd = client->fd; |
| 1154 | pfds[i].events = POLLIN; |
| 1155 | i++; |
| 1156 | } |
| 1157 | |
| 1158 | if (!nr_clients) |
| 1159 | break; |
| 1160 | |
| 1161 | assert(i == nr_clients); |
| 1162 | |
| 1163 | do { |
| 1164 | struct timeval tv; |
| 1165 | |
| 1166 | gettimeofday(&tv, NULL); |
| 1167 | if (mtime_since(&eta_tv, &tv) >= ops->eta_msec) { |
| 1168 | request_client_etas(ops); |
| 1169 | memcpy(&eta_tv, &tv, sizeof(tv)); |
| 1170 | |
| 1171 | if (fio_check_clients_timed_out()) |
| 1172 | break; |
| 1173 | } |
| 1174 | |
| 1175 | ret = poll(pfds, nr_clients, 100); |
| 1176 | if (ret < 0) { |
| 1177 | if (errno == EINTR) |
| 1178 | continue; |
| 1179 | log_err("fio: poll clients: %s\n", strerror(errno)); |
| 1180 | break; |
| 1181 | } else if (!ret) |
| 1182 | continue; |
| 1183 | } while (ret <= 0); |
| 1184 | |
| 1185 | for (i = 0; i < nr_clients; i++) { |
| 1186 | if (!(pfds[i].revents & POLLIN)) |
| 1187 | continue; |
| 1188 | |
| 1189 | client = find_client_by_fd(pfds[i].fd); |
| 1190 | if (!client) { |
| 1191 | log_err("fio: unknown client fd %d\n", pfds[i].fd); |
| 1192 | continue; |
| 1193 | } |
| 1194 | if (!fio_handle_client(client)) { |
| 1195 | log_info("client: host=%s disconnected\n", |
| 1196 | client->hostname); |
| 1197 | remove_client(client); |
| 1198 | retval = 1; |
| 1199 | } else if (client->error) |
| 1200 | retval = 1; |
| 1201 | fio_put_client(client); |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | free(pfds); |
| 1206 | return retval; |
| 1207 | } |