11 #include <sys/socket.h>
13 #include <netinet/in.h>
14 #include <arpa/inet.h>
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);
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,
37 .eta = display_thread_status,
38 .probe = handle_probe,
41 static struct timeval eta_tv;
43 static FLIST_HEAD(client_list);
44 static FLIST_HEAD(eta_list);
46 static FLIST_HEAD(arg_list);
48 struct thread_stat client_ts;
49 struct group_run_stats client_gs;
52 static int sum_stat_nr;
54 #define FIO_CLIENT_HASH_BITS 7
55 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
56 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
57 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
59 static void fio_client_add_hash(struct fio_client *client)
61 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
63 bucket &= FIO_CLIENT_HASH_MASK;
64 flist_add(&client->hash_list, &client_hash[bucket]);
67 static void fio_client_remove_hash(struct fio_client *client)
69 if (!flist_empty(&client->hash_list))
70 flist_del_init(&client->hash_list);
73 static void fio_init fio_client_hash_init(void)
77 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
78 INIT_FLIST_HEAD(&client_hash[i]);
81 static struct fio_client *find_client_by_fd(int fd)
83 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
84 struct fio_client *client;
85 struct flist_head *entry;
87 flist_for_each(entry, &client_hash[bucket]) {
88 client = flist_entry(entry, struct fio_client, hash_list);
91 return fio_get_client(client);
97 static void remove_client(struct fio_client *client)
104 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
105 flist_del(&client->list);
107 fio_client_remove_hash(client);
109 if (!flist_empty(&client->eta_list)) {
110 flist_del_init(&client->eta_list);
111 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
114 free(client->hostname);
125 void fio_put_client(struct fio_client *client)
127 remove_client(client);
130 struct fio_client *fio_get_client(struct fio_client *client)
136 static void __fio_client_add_cmd_option(struct fio_client *client,
141 index = client->argc++;
142 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
143 client->argv[index] = strdup(opt);
144 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
147 void fio_client_add_cmd_option(void *cookie, const char *opt)
149 struct fio_client *client = cookie;
150 struct flist_head *entry;
155 __fio_client_add_cmd_option(client, opt);
158 * Duplicate arguments to shared client group
160 flist_for_each(entry, &arg_list) {
161 client = flist_entry(entry, struct fio_client, arg_list);
163 __fio_client_add_cmd_option(client, opt);
167 struct fio_client *fio_client_add_explicit(struct client_ops *ops,
168 const char *hostname, int type,
171 struct fio_client *client;
173 client = malloc(sizeof(*client));
174 memset(client, 0, sizeof(*client));
176 INIT_FLIST_HEAD(&client->list);
177 INIT_FLIST_HEAD(&client->hash_list);
178 INIT_FLIST_HEAD(&client->arg_list);
179 INIT_FLIST_HEAD(&client->eta_list);
180 INIT_FLIST_HEAD(&client->cmd_list);
182 client->hostname = strdup(hostname);
184 if (type == Fio_client_socket)
189 ipv6 = type == Fio_client_ipv6;
190 if (fio_server_parse_host(hostname, &ipv6,
191 &client->addr.sin_addr,
192 &client->addr6.sin6_addr))
202 __fio_client_add_cmd_option(client, "fio");
204 flist_add(&client->list, &client_list);
206 dprint(FD_NET, "client: added <%s>\n", client->hostname);
213 int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
215 struct fio_client *existing = *cookie;
216 struct fio_client *client;
220 * We always add our "exec" name as the option, hence 1
223 if (existing->argc == 1)
224 flist_add_tail(&existing->arg_list, &arg_list);
226 while (!flist_empty(&arg_list))
227 flist_del_init(arg_list.next);
231 client = malloc(sizeof(*client));
232 memset(client, 0, sizeof(*client));
234 INIT_FLIST_HEAD(&client->list);
235 INIT_FLIST_HEAD(&client->hash_list);
236 INIT_FLIST_HEAD(&client->arg_list);
237 INIT_FLIST_HEAD(&client->eta_list);
238 INIT_FLIST_HEAD(&client->cmd_list);
240 if (fio_server_parse_string(hostname, &client->hostname,
241 &client->is_sock, &client->port,
242 &client->addr.sin_addr,
243 &client->addr6.sin6_addr,
251 __fio_client_add_cmd_option(client, "fio");
253 flist_add(&client->list, &client_list);
255 dprint(FD_NET, "client: added <%s>\n", client->hostname);
260 static int fio_client_connect_ip(struct fio_client *client)
262 struct sockaddr *addr;
263 fio_socklen_t socklen;
267 client->addr6.sin6_family = AF_INET6;
268 client->addr6.sin6_port = htons(client->port);
270 addr = (struct sockaddr *) &client->addr6;
271 socklen = sizeof(client->addr6);
273 client->addr.sin_family = AF_INET;
274 client->addr.sin_port = htons(client->port);
276 addr = (struct sockaddr *) &client->addr;
277 socklen = sizeof(client->addr);
280 fd = socket(domain, SOCK_STREAM, 0);
284 log_err("fio: socket: %s\n", strerror(errno));
288 if (connect(fd, addr, socklen) < 0) {
291 log_err("fio: connect: %s\n", strerror(errno));
292 log_err("fio: failed to connect to %s:%u\n", client->hostname,
301 static int fio_client_connect_sock(struct fio_client *client)
303 struct sockaddr_un *addr = &client->addr_un;
307 memset(addr, 0, sizeof(*addr));
308 addr->sun_family = AF_UNIX;
309 strcpy(addr->sun_path, client->hostname);
311 fd = socket(AF_UNIX, SOCK_STREAM, 0);
315 log_err("fio: socket: %s\n", strerror(errno));
319 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
320 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
323 log_err("fio: connect; %s\n", strerror(errno));
331 int fio_client_connect(struct fio_client *client)
335 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
338 fd = fio_client_connect_sock(client);
340 fd = fio_client_connect_ip(client);
342 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
348 fio_client_add_hash(client);
349 client->state = Client_connected;
353 void fio_client_terminate(struct fio_client *client)
355 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
358 void fio_clients_terminate(void)
360 struct flist_head *entry;
361 struct fio_client *client;
363 dprint(FD_NET, "client: terminate clients\n");
365 flist_for_each(entry, &client_list) {
366 client = flist_entry(entry, struct fio_client, list);
367 fio_client_terminate(client);
371 static void sig_int(int sig)
373 dprint(FD_NET, "client: got signal %d\n", sig);
374 fio_clients_terminate();
377 static void client_signal_handler(void)
379 struct sigaction act;
381 memset(&act, 0, sizeof(act));
382 act.sa_handler = sig_int;
383 act.sa_flags = SA_RESTART;
384 sigaction(SIGINT, &act, NULL);
386 memset(&act, 0, sizeof(act));
387 act.sa_handler = sig_int;
388 act.sa_flags = SA_RESTART;
389 sigaction(SIGTERM, &act, NULL);
392 static void probe_client(struct fio_client *client)
394 dprint(FD_NET, "client: send probe\n");
396 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
399 static int send_client_cmd_line(struct fio_client *client)
401 struct cmd_single_line_pdu *cslp;
402 struct cmd_line_pdu *clp;
403 unsigned long offset;
409 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
411 lens = malloc(client->argc * sizeof(unsigned int));
414 * Find out how much mem we need
416 for (i = 0, mem = 0; i < client->argc; i++) {
417 lens[i] = strlen(client->argv[i]) + 1;
422 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
424 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
428 offset = sizeof(*clp);
430 for (i = 0; i < client->argc; i++) {
431 uint16_t arg_len = lens[i];
434 strcpy((char *) cslp->text, client->argv[i]);
435 cslp->len = cpu_to_le16(arg_len);
436 offset += sizeof(*cslp) + arg_len;
440 clp->lines = cpu_to_le16(client->argc);
441 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0);
446 int fio_clients_connect(void)
448 struct fio_client *client;
449 struct flist_head *entry, *tmp;
454 WSAStartup(MAKEWORD(2,2), &wsd);
457 dprint(FD_NET, "client: connect all\n");
459 client_signal_handler();
461 flist_for_each_safe(entry, tmp, &client_list) {
462 client = flist_entry(entry, struct fio_client, list);
464 ret = fio_client_connect(client);
466 remove_client(client);
470 probe_client(client);
472 if (client->argc > 1)
473 send_client_cmd_line(client);
479 int fio_start_client(struct fio_client *client)
481 dprint(FD_NET, "client: start %s\n", client->hostname);
482 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
485 int fio_start_all_clients(void)
487 struct fio_client *client;
488 struct flist_head *entry, *tmp;
491 dprint(FD_NET, "client: start all\n");
493 flist_for_each_safe(entry, tmp, &client_list) {
494 client = flist_entry(entry, struct fio_client, list);
496 ret = fio_start_client(client);
498 remove_client(client);
503 return flist_empty(&client_list);
507 * Send file contents to server backend. We could use sendfile(), but to remain
508 * more portable lets just read/write the darn thing.
510 static int __fio_client_send_ini(struct fio_client *client, const char *filename)
517 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
519 fd = open(filename, O_RDONLY);
523 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
527 if (fstat(fd, &sb) < 0) {
530 log_err("fio: job file stat: %s\n", strerror(errno));
535 buf = malloc(sb.st_size);
540 ret = read(fd, p, len);
549 else if (errno == EAGAIN || errno == EINTR)
554 log_err("fio: failed reading job file %s\n", filename);
560 client->sent_job = 1;
561 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0);
567 int fio_client_send_ini(struct fio_client *client, const char *filename)
571 ret = __fio_client_send_ini(client, filename);
573 remove_client(client);
577 client->sent_job = 1;
581 int fio_clients_send_ini(const char *filename)
583 struct fio_client *client;
584 struct flist_head *entry, *tmp;
586 flist_for_each_safe(entry, tmp, &client_list) {
587 client = flist_entry(entry, struct fio_client, list);
589 fio_client_send_ini(client, filename);
595 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
597 dst->max_val = le64_to_cpu(src->max_val);
598 dst->min_val = le64_to_cpu(src->min_val);
599 dst->samples = le64_to_cpu(src->samples);
602 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
604 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
605 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
608 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
612 dst->error = le32_to_cpu(src->error);
613 dst->groupid = le32_to_cpu(src->groupid);
614 dst->pid = le32_to_cpu(src->pid);
615 dst->members = le32_to_cpu(src->members);
617 for (i = 0; i < 2; i++) {
618 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
619 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
620 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
621 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
624 dst->usr_time = le64_to_cpu(src->usr_time);
625 dst->sys_time = le64_to_cpu(src->sys_time);
626 dst->ctx = le64_to_cpu(src->ctx);
627 dst->minf = le64_to_cpu(src->minf);
628 dst->majf = le64_to_cpu(src->majf);
629 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
631 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
632 fio_fp64_t *fps = &src->percentile_list[i];
633 fio_fp64_t *fpd = &dst->percentile_list[i];
635 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
638 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
639 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
640 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
641 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
644 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
645 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
646 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
649 for (i = 0; i < 2; i++)
650 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
651 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
653 for (i = 0; i < 3; i++) {
654 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
655 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
658 dst->total_submit = le64_to_cpu(src->total_submit);
659 dst->total_complete = le64_to_cpu(src->total_complete);
661 for (i = 0; i < 2; i++) {
662 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
663 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
666 dst->total_run_time = le64_to_cpu(src->total_run_time);
667 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
668 dst->total_err_count = le64_to_cpu(src->total_err_count);
669 dst->first_error = le32_to_cpu(src->first_error);
670 dst->kb_base = le32_to_cpu(src->kb_base);
673 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
677 for (i = 0; i < 2; i++) {
678 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
679 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
680 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
681 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
682 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
683 dst->agg[i] = le64_to_cpu(src->agg[i]);
686 dst->kb_base = le32_to_cpu(src->kb_base);
687 dst->groupid = le32_to_cpu(src->groupid);
690 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
692 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
694 show_thread_status(&p->ts, &p->rs);
696 if (sum_stat_clients == 1)
699 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
700 sum_group_stats(&client_gs, &p->rs);
703 client_ts.groupid = p->ts.groupid;
705 if (++sum_stat_nr == sum_stat_clients) {
706 strcpy(client_ts.name, "All clients");
707 show_thread_status(&client_ts, &client_gs);
711 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
713 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
715 show_group_stats(gs);
718 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
720 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
721 const char *buf = (const char *) pdu->buf;
725 name = client->name ? client->name : client->hostname;
727 if (!client->skip_newline)
728 fprintf(f_out, "<%s> ", name);
729 ret = fwrite(buf, pdu->buf_len, 1, f_out);
731 client->skip_newline = strchr(buf, '\n') == NULL;
734 static void convert_agg(struct disk_util_agg *agg)
738 for (i = 0; i < 2; i++) {
739 agg->ios[i] = le32_to_cpu(agg->ios[i]);
740 agg->merges[i] = le32_to_cpu(agg->merges[i]);
741 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
742 agg->ticks[i] = le32_to_cpu(agg->ticks[i]);
745 agg->io_ticks = le32_to_cpu(agg->io_ticks);
746 agg->time_in_queue = le32_to_cpu(agg->time_in_queue);
747 agg->slavecount = le32_to_cpu(agg->slavecount);
748 agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i));
751 static void convert_dus(struct disk_util_stat *dus)
755 for (i = 0; i < 2; i++) {
756 dus->ios[i] = le32_to_cpu(dus->ios[i]);
757 dus->merges[i] = le32_to_cpu(dus->merges[i]);
758 dus->sectors[i] = le64_to_cpu(dus->sectors[i]);
759 dus->ticks[i] = le32_to_cpu(dus->ticks[i]);
762 dus->io_ticks = le32_to_cpu(dus->io_ticks);
763 dus->time_in_queue = le32_to_cpu(dus->time_in_queue);
764 dus->msec = le64_to_cpu(dus->msec);
767 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
769 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
771 if (!client->disk_stats_shown) {
772 client->disk_stats_shown = 1;
773 log_info("\nDisk stats (read/write):\n");
776 print_disk_util(&du->dus, &du->agg, terse_output);
779 static void convert_jobs_eta(struct jobs_eta *je)
783 je->nr_running = le32_to_cpu(je->nr_running);
784 je->nr_ramp = le32_to_cpu(je->nr_ramp);
785 je->nr_pending = le32_to_cpu(je->nr_pending);
786 je->files_open = le32_to_cpu(je->files_open);
788 for (i = 0; i < 2; i++) {
789 je->m_rate[i] = le32_to_cpu(je->m_rate[i]);
790 je->t_rate[i] = le32_to_cpu(je->t_rate[i]);
791 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
792 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
793 je->rate[i] = le32_to_cpu(je->rate[i]);
794 je->iops[i] = le32_to_cpu(je->iops[i]);
797 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
798 je->eta_sec = le64_to_cpu(je->eta_sec);
799 je->nr_threads = le32_to_cpu(je->nr_threads);
802 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
806 dst->nr_running += je->nr_running;
807 dst->nr_ramp += je->nr_ramp;
808 dst->nr_pending += je->nr_pending;
809 dst->files_open += je->files_open;
811 for (i = 0; i < 2; i++) {
812 dst->m_rate[i] += je->m_rate[i];
813 dst->t_rate[i] += je->t_rate[i];
814 dst->m_iops[i] += je->m_iops[i];
815 dst->t_iops[i] += je->t_iops[i];
816 dst->rate[i] += je->rate[i];
817 dst->iops[i] += je->iops[i];
820 dst->elapsed_sec += je->elapsed_sec;
822 if (je->eta_sec > dst->eta_sec)
823 dst->eta_sec = je->eta_sec;
825 dst->nr_threads += je->nr_threads;
826 /* we need to handle je->run_str too ... */
829 void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
831 if (!--eta->pending) {
837 static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
839 struct fio_net_int_cmd *icmd = NULL;
840 struct flist_head *entry;
842 flist_for_each(entry, &client->cmd_list) {
843 icmd = flist_entry(entry, struct fio_net_int_cmd, list);
845 if (cmd->tag == (uintptr_t) icmd)
852 log_err("fio: client: unable to find matching tag\n");
856 flist_del(&icmd->list);
857 cmd->tag = icmd->saved_tag;
861 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
863 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
864 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
866 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
868 assert(client->eta_in_flight == eta);
870 client->eta_in_flight = NULL;
871 flist_del_init(&client->eta_list);
873 if (client->ops->jobs_eta)
874 client->ops->jobs_eta(client, je);
876 fio_client_sum_jobs_eta(&eta->eta, je);
877 fio_client_dec_jobs_eta(eta, client->ops->eta);
880 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
882 struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
883 const char *os, *arch;
886 os = fio_get_os_string(probe->os);
890 arch = fio_get_arch_string(probe->arch);
894 sprintf(bit, "%d-bit", probe->bpp * 8);
896 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n",
897 probe->hostname, probe->bigendian, bit, os, arch,
898 probe->fio_major, probe->fio_minor, probe->fio_patch);
901 client->name = strdup((char *) probe->hostname);
904 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
906 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
908 client->state = Client_started;
909 client->jobs = le32_to_cpu(pdu->jobs);
912 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
915 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
918 static void convert_stop(struct fio_net_cmd *cmd)
920 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
922 pdu->error = le32_to_cpu(pdu->error);
925 static void convert_text(struct fio_net_cmd *cmd)
927 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
929 pdu->level = le32_to_cpu(pdu->level);
930 pdu->buf_len = le32_to_cpu(pdu->buf_len);
931 pdu->log_sec = le64_to_cpu(pdu->log_sec);
932 pdu->log_usec = le64_to_cpu(pdu->log_usec);
935 int fio_handle_client(struct fio_client *client)
937 struct client_ops *ops = client->ops;
938 struct fio_net_cmd *cmd;
940 dprint(FD_NET, "client: handle %s\n", client->hostname);
942 cmd = fio_net_recv_cmd(client->fd);
946 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
947 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
949 switch (cmd->opcode) {
950 case FIO_NET_CMD_QUIT:
953 remove_client(client);
956 case FIO_NET_CMD_TEXT:
958 ops->text_op(client, cmd);
961 case FIO_NET_CMD_DU: {
962 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
964 convert_dus(&du->dus);
965 convert_agg(&du->agg);
967 ops->disk_util(client, cmd);
971 case FIO_NET_CMD_TS: {
972 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
974 convert_ts(&p->ts, &p->ts);
975 convert_gs(&p->rs, &p->rs);
977 ops->thread_status(client, cmd);
981 case FIO_NET_CMD_GS: {
982 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
986 ops->group_stats(client, cmd);
990 case FIO_NET_CMD_ETA: {
991 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
993 remove_reply_cmd(client, cmd);
994 convert_jobs_eta(je);
995 handle_eta(client, cmd);
999 case FIO_NET_CMD_PROBE:
1000 remove_reply_cmd(client, cmd);
1001 ops->probe(client, cmd);
1004 case FIO_NET_CMD_SERVER_START:
1005 client->state = Client_running;
1008 case FIO_NET_CMD_START:
1009 handle_start(client, cmd);
1012 case FIO_NET_CMD_STOP: {
1013 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1016 client->state = Client_stopped;
1017 client->error = pdu->error;
1018 ops->stop(client, cmd);
1022 case FIO_NET_CMD_ADD_JOB:
1024 ops->add_job(client, cmd);
1028 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1036 static void request_client_etas(struct client_ops *ops)
1038 struct fio_client *client;
1039 struct flist_head *entry;
1040 struct client_eta *eta;
1043 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1045 eta = malloc(sizeof(*eta));
1046 memset(&eta->eta, 0, sizeof(eta->eta));
1047 eta->pending = nr_clients;
1049 flist_for_each(entry, &client_list) {
1050 client = flist_entry(entry, struct fio_client, list);
1052 if (!flist_empty(&client->eta_list)) {
1056 if (client->state != Client_running)
1059 assert(!client->eta_in_flight);
1060 flist_add_tail(&client->eta_list, &eta_list);
1061 client->eta_in_flight = eta;
1062 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1063 (uintptr_t) eta, &client->cmd_list);
1067 fio_client_dec_jobs_eta(eta, ops->eta);
1069 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1072 static int client_check_cmd_timeout(struct fio_client *client,
1073 struct timeval *now)
1075 struct fio_net_int_cmd *cmd;
1076 struct flist_head *entry, *tmp;
1079 flist_for_each_safe(entry, tmp, &client->cmd_list) {
1080 cmd = flist_entry(entry, struct fio_net_int_cmd, list);
1082 if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT)
1085 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
1086 fio_server_op(cmd->cmd.opcode));
1087 flist_del(&cmd->list);
1092 return flist_empty(&client->cmd_list) && ret;
1095 static int fio_check_clients_timed_out(void)
1097 struct fio_client *client;
1098 struct flist_head *entry, *tmp;
1102 gettimeofday(&tv, NULL);
1104 flist_for_each_safe(entry, tmp, &client_list) {
1105 client = flist_entry(entry, struct fio_client, list);
1107 if (flist_empty(&client->cmd_list))
1110 if (!client_check_cmd_timeout(client, &tv))
1113 if (client->ops->timed_out)
1114 client->ops->timed_out(client);
1116 log_err("fio: client %s timed out\n", client->hostname);
1118 remove_client(client);
1125 int fio_handle_clients(struct client_ops *ops)
1127 struct pollfd *pfds;
1128 int i, ret = 0, retval = 0;
1130 gettimeofday(&eta_tv, NULL);
1132 pfds = malloc(nr_clients * sizeof(struct pollfd));
1134 sum_stat_clients = nr_clients;
1135 init_thread_stat(&client_ts);
1136 init_group_run_stat(&client_gs);
1138 while (!exit_backend && nr_clients) {
1139 struct flist_head *entry, *tmp;
1140 struct fio_client *client;
1143 flist_for_each_safe(entry, tmp, &client_list) {
1144 client = flist_entry(entry, struct fio_client, list);
1146 if (!client->sent_job && !client->ops->stay_connected &&
1147 flist_empty(&client->cmd_list)) {
1148 remove_client(client);
1152 pfds[i].fd = client->fd;
1153 pfds[i].events = POLLIN;
1160 assert(i == nr_clients);
1165 gettimeofday(&tv, NULL);
1166 if (mtime_since(&eta_tv, &tv) >= 900) {
1167 request_client_etas(ops);
1168 memcpy(&eta_tv, &tv, sizeof(tv));
1170 if (fio_check_clients_timed_out())
1174 ret = poll(pfds, nr_clients, 100);
1178 log_err("fio: poll clients: %s\n", strerror(errno));
1184 for (i = 0; i < nr_clients; i++) {
1185 if (!(pfds[i].revents & POLLIN))
1188 client = find_client_by_fd(pfds[i].fd);
1190 log_err("fio: unknown client fd %d\n", pfds[i].fd);
1193 if (!fio_handle_client(client)) {
1194 log_info("client: host=%s disconnected\n",
1196 remove_client(client);
1198 } else if (client->error)
1200 fio_put_client(client);