| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <limits.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sys/poll.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/wait.h> |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| #include <netdb.h> |
| #include <signal.h> |
| #ifdef CONFIG_ZLIB |
| #include <zlib.h> |
| #endif |
| |
| #include "fio.h" |
| #include "client.h" |
| #include "server.h" |
| #include "flist.h" |
| #include "hash.h" |
| |
| static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd); |
| static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd); |
| |
| struct client_ops fio_client_ops = { |
| .text = handle_text, |
| .disk_util = handle_du, |
| .thread_status = handle_ts, |
| .group_stats = handle_gs, |
| .stop = handle_stop, |
| .start = handle_start, |
| .eta = display_thread_status, |
| .probe = handle_probe, |
| .eta_msec = FIO_CLIENT_DEF_ETA_MSEC, |
| .client_type = FIO_CLIENT_TYPE_CLI, |
| }; |
| |
| static struct timeval eta_tv; |
| |
| static FLIST_HEAD(client_list); |
| static FLIST_HEAD(eta_list); |
| |
| static FLIST_HEAD(arg_list); |
| |
| struct thread_stat client_ts; |
| struct group_run_stats client_gs; |
| int sum_stat_clients; |
| |
| static int sum_stat_nr; |
| static struct json_object *root = NULL; |
| static struct json_array *clients_array = NULL; |
| static struct json_array *du_array = NULL; |
| static int do_output_all_clients; |
| |
| #define FIO_CLIENT_HASH_BITS 7 |
| #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS) |
| #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1) |
| static struct flist_head client_hash[FIO_CLIENT_HASH_SZ]; |
| |
| static void fio_client_add_hash(struct fio_client *client) |
| { |
| int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS); |
| |
| bucket &= FIO_CLIENT_HASH_MASK; |
| flist_add(&client->hash_list, &client_hash[bucket]); |
| } |
| |
| static void fio_client_remove_hash(struct fio_client *client) |
| { |
| if (!flist_empty(&client->hash_list)) |
| flist_del_init(&client->hash_list); |
| } |
| |
| static void fio_init fio_client_hash_init(void) |
| { |
| int i; |
| |
| for (i = 0; i < FIO_CLIENT_HASH_SZ; i++) |
| INIT_FLIST_HEAD(&client_hash[i]); |
| } |
| |
| static void fio_client_json_init(void) |
| { |
| if (output_format != FIO_OUTPUT_JSON) |
| return; |
| root = json_create_object(); |
| json_object_add_value_string(root, "fio version", fio_version_string); |
| clients_array = json_create_array(); |
| json_object_add_value_array(root, "client_stats", clients_array); |
| du_array = json_create_array(); |
| json_object_add_value_array(root, "disk_util", du_array); |
| } |
| |
| static void fio_client_json_fini(void) |
| { |
| if (output_format != FIO_OUTPUT_JSON) |
| return; |
| json_print_object(root); |
| log_info("\n"); |
| json_free_object(root); |
| root = NULL; |
| clients_array = NULL; |
| du_array = NULL; |
| } |
| |
| static struct fio_client *find_client_by_fd(int fd) |
| { |
| int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK; |
| struct fio_client *client; |
| struct flist_head *entry; |
| |
| flist_for_each(entry, &client_hash[bucket]) { |
| client = flist_entry(entry, struct fio_client, hash_list); |
| |
| if (client->fd == fd) { |
| client->refs++; |
| return client; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| void fio_put_client(struct fio_client *client) |
| { |
| if (--client->refs) |
| return; |
| |
| free(client->hostname); |
| if (client->argv) |
| free(client->argv); |
| if (client->name) |
| free(client->name); |
| while (client->nr_ini_file) |
| free(client->ini_file[--client->nr_ini_file]); |
| if (client->ini_file) |
| free(client->ini_file); |
| |
| if (!client->did_stat) |
| sum_stat_clients -= client->nr_stat; |
| |
| free(client); |
| } |
| |
| static void remove_client(struct fio_client *client) |
| { |
| assert(client->refs); |
| |
| dprint(FD_NET, "client: removed <%s>\n", client->hostname); |
| |
| if (!flist_empty(&client->list)) |
| flist_del_init(&client->list); |
| |
| fio_client_remove_hash(client); |
| |
| if (!flist_empty(&client->eta_list)) { |
| flist_del_init(&client->eta_list); |
| fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta); |
| } |
| |
| close(client->fd); |
| client->fd = -1; |
| |
| if (client->ops->removed) |
| client->ops->removed(client); |
| |
| nr_clients--; |
| fio_put_client(client); |
| } |
| |
| struct fio_client *fio_get_client(struct fio_client *client) |
| { |
| client->refs++; |
| return client; |
| } |
| |
| static void __fio_client_add_cmd_option(struct fio_client *client, |
| const char *opt) |
| { |
| int index; |
| |
| index = client->argc++; |
| client->argv = realloc(client->argv, sizeof(char *) * client->argc); |
| client->argv[index] = strdup(opt); |
| dprint(FD_NET, "client: add cmd %d: %s\n", index, opt); |
| } |
| |
| void fio_client_add_cmd_option(void *cookie, const char *opt) |
| { |
| struct fio_client *client = cookie; |
| struct flist_head *entry; |
| |
| if (!client || !opt) |
| return; |
| |
| __fio_client_add_cmd_option(client, opt); |
| |
| /* |
| * Duplicate arguments to shared client group |
| */ |
| flist_for_each(entry, &arg_list) { |
| client = flist_entry(entry, struct fio_client, arg_list); |
| |
| __fio_client_add_cmd_option(client, opt); |
| } |
| } |
| |
| struct fio_client *fio_client_add_explicit(struct client_ops *ops, |
| const char *hostname, int type, |
| int port) |
| { |
| struct fio_client *client; |
| |
| client = malloc(sizeof(*client)); |
| memset(client, 0, sizeof(*client)); |
| |
| INIT_FLIST_HEAD(&client->list); |
| INIT_FLIST_HEAD(&client->hash_list); |
| INIT_FLIST_HEAD(&client->arg_list); |
| INIT_FLIST_HEAD(&client->eta_list); |
| INIT_FLIST_HEAD(&client->cmd_list); |
| |
| client->hostname = strdup(hostname); |
| |
| if (type == Fio_client_socket) |
| client->is_sock = 1; |
| else { |
| int ipv6; |
| |
| ipv6 = type == Fio_client_ipv6; |
| if (fio_server_parse_host(hostname, ipv6, |
| &client->addr.sin_addr, |
| &client->addr6.sin6_addr)) |
| goto err; |
| |
| client->port = port; |
| } |
| |
| client->fd = -1; |
| client->ops = ops; |
| client->refs = 1; |
| client->type = ops->client_type; |
| |
| __fio_client_add_cmd_option(client, "fio"); |
| |
| flist_add(&client->list, &client_list); |
| nr_clients++; |
| dprint(FD_NET, "client: added <%s>\n", client->hostname); |
| return client; |
| err: |
| free(client); |
| return NULL; |
| } |
| |
| void fio_client_add_ini_file(void *cookie, const char *ini_file) |
| { |
| struct fio_client *client = cookie; |
| size_t new_size; |
| |
| dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file); |
| |
| new_size = (client->nr_ini_file + 1) * sizeof(char *); |
| client->ini_file = realloc(client->ini_file, new_size); |
| client->ini_file[client->nr_ini_file] = strdup(ini_file); |
| client->nr_ini_file++; |
| } |
| |
| int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie) |
| { |
| struct fio_client *existing = *cookie; |
| struct fio_client *client; |
| |
| if (existing) { |
| /* |
| * We always add our "exec" name as the option, hence 1 |
| * means empty. |
| */ |
| if (existing->argc == 1) |
| flist_add_tail(&existing->arg_list, &arg_list); |
| else { |
| while (!flist_empty(&arg_list)) |
| flist_del_init(arg_list.next); |
| } |
| } |
| |
| client = malloc(sizeof(*client)); |
| memset(client, 0, sizeof(*client)); |
| |
| INIT_FLIST_HEAD(&client->list); |
| INIT_FLIST_HEAD(&client->hash_list); |
| INIT_FLIST_HEAD(&client->arg_list); |
| INIT_FLIST_HEAD(&client->eta_list); |
| INIT_FLIST_HEAD(&client->cmd_list); |
| |
| if (fio_server_parse_string(hostname, &client->hostname, |
| &client->is_sock, &client->port, |
| &client->addr.sin_addr, |
| &client->addr6.sin6_addr, |
| &client->ipv6)) |
| return -1; |
| |
| client->fd = -1; |
| client->ops = ops; |
| client->refs = 1; |
| client->type = ops->client_type; |
| |
| __fio_client_add_cmd_option(client, "fio"); |
| |
| flist_add(&client->list, &client_list); |
| nr_clients++; |
| dprint(FD_NET, "client: added <%s>\n", client->hostname); |
| *cookie = client; |
| return 0; |
| } |
| |
| static void probe_client(struct fio_client *client) |
| { |
| struct cmd_client_probe_pdu pdu; |
| uint64_t tag; |
| |
| dprint(FD_NET, "client: send probe\n"); |
| |
| #ifdef CONFIG_ZLIB |
| pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB); |
| #else |
| pdu.flags = 0; |
| #endif |
| |
| fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list); |
| } |
| |
| static int fio_client_connect_ip(struct fio_client *client) |
| { |
| struct sockaddr *addr; |
| socklen_t socklen; |
| int fd, domain; |
| |
| if (client->ipv6) { |
| client->addr6.sin6_family = AF_INET6; |
| client->addr6.sin6_port = htons(client->port); |
| domain = AF_INET6; |
| addr = (struct sockaddr *) &client->addr6; |
| socklen = sizeof(client->addr6); |
| } else { |
| client->addr.sin_family = AF_INET; |
| client->addr.sin_port = htons(client->port); |
| domain = AF_INET; |
| addr = (struct sockaddr *) &client->addr; |
| socklen = sizeof(client->addr); |
| } |
| |
| fd = socket(domain, SOCK_STREAM, 0); |
| if (fd < 0) { |
| int ret = -errno; |
| |
| log_err("fio: socket: %s\n", strerror(errno)); |
| return ret; |
| } |
| |
| if (connect(fd, addr, socklen) < 0) { |
| int ret = -errno; |
| |
| log_err("fio: connect: %s\n", strerror(errno)); |
| log_err("fio: failed to connect to %s:%u\n", client->hostname, |
| client->port); |
| close(fd); |
| return ret; |
| } |
| |
| return fd; |
| } |
| |
| static int fio_client_connect_sock(struct fio_client *client) |
| { |
| struct sockaddr_un *addr = &client->addr_un; |
| socklen_t len; |
| int fd; |
| |
| memset(addr, 0, sizeof(*addr)); |
| addr->sun_family = AF_UNIX; |
| strcpy(addr->sun_path, client->hostname); |
| |
| fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| if (fd < 0) { |
| int ret = -errno; |
| |
| log_err("fio: socket: %s\n", strerror(errno)); |
| return ret; |
| } |
| |
| len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; |
| if (connect(fd, (struct sockaddr *) addr, len) < 0) { |
| int ret = -errno; |
| |
| log_err("fio: connect; %s\n", strerror(errno)); |
| close(fd); |
| return ret; |
| } |
| |
| return fd; |
| } |
| |
| int fio_client_connect(struct fio_client *client) |
| { |
| int fd; |
| |
| dprint(FD_NET, "client: connect to host %s\n", client->hostname); |
| |
| if (client->is_sock) |
| fd = fio_client_connect_sock(client); |
| else |
| fd = fio_client_connect_ip(client); |
| |
| dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd); |
| |
| if (fd < 0) |
| return fd; |
| |
| client->fd = fd; |
| fio_client_add_hash(client); |
| client->state = Client_connected; |
| |
| probe_client(client); |
| return 0; |
| } |
| |
| int fio_client_terminate(struct fio_client *client) |
| { |
| return fio_net_send_quit(client->fd); |
| } |
| |
| void fio_clients_terminate(void) |
| { |
| struct flist_head *entry; |
| struct fio_client *client; |
| |
| dprint(FD_NET, "client: terminate clients\n"); |
| |
| flist_for_each(entry, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| fio_client_terminate(client); |
| } |
| } |
| |
| static void sig_int(int sig) |
| { |
| dprint(FD_NET, "client: got signal %d\n", sig); |
| fio_clients_terminate(); |
| } |
| |
| static void sig_show_status(int sig) |
| { |
| show_running_run_stats(); |
| } |
| |
| static void client_signal_handler(void) |
| { |
| struct sigaction act; |
| |
| memset(&act, 0, sizeof(act)); |
| act.sa_handler = sig_int; |
| act.sa_flags = SA_RESTART; |
| sigaction(SIGINT, &act, NULL); |
| |
| memset(&act, 0, sizeof(act)); |
| act.sa_handler = sig_int; |
| act.sa_flags = SA_RESTART; |
| sigaction(SIGTERM, &act, NULL); |
| |
| /* Windows uses SIGBREAK as a quit signal from other applications */ |
| #ifdef WIN32 |
| memset(&act, 0, sizeof(act)); |
| act.sa_handler = sig_int; |
| act.sa_flags = SA_RESTART; |
| sigaction(SIGBREAK, &act, NULL); |
| #endif |
| |
| memset(&act, 0, sizeof(act)); |
| act.sa_handler = sig_show_status; |
| act.sa_flags = SA_RESTART; |
| sigaction(SIGUSR1, &act, NULL); |
| } |
| |
| static int send_client_cmd_line(struct fio_client *client) |
| { |
| struct cmd_single_line_pdu *cslp; |
| struct cmd_line_pdu *clp; |
| unsigned long offset; |
| unsigned int *lens; |
| void *pdu; |
| size_t mem; |
| int i, ret; |
| |
| dprint(FD_NET, "client: send cmdline %d\n", client->argc); |
| |
| lens = malloc(client->argc * sizeof(unsigned int)); |
| |
| /* |
| * Find out how much mem we need |
| */ |
| for (i = 0, mem = 0; i < client->argc; i++) { |
| lens[i] = strlen(client->argv[i]) + 1; |
| mem += lens[i]; |
| } |
| |
| /* |
| * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu |
| */ |
| mem += sizeof(*clp) + (client->argc * sizeof(*cslp)); |
| |
| pdu = malloc(mem); |
| clp = pdu; |
| offset = sizeof(*clp); |
| |
| for (i = 0; i < client->argc; i++) { |
| uint16_t arg_len = lens[i]; |
| |
| cslp = pdu + offset; |
| strcpy((char *) cslp->text, client->argv[i]); |
| cslp->len = cpu_to_le16(arg_len); |
| offset += sizeof(*cslp) + arg_len; |
| } |
| |
| free(lens); |
| clp->lines = cpu_to_le16(client->argc); |
| clp->client_type = __cpu_to_le16(client->type); |
| ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL); |
| free(pdu); |
| return ret; |
| } |
| |
| int fio_clients_connect(void) |
| { |
| struct fio_client *client; |
| struct flist_head *entry, *tmp; |
| int ret; |
| |
| #ifdef WIN32 |
| WSADATA wsd; |
| WSAStartup(MAKEWORD(2, 2), &wsd); |
| #endif |
| |
| dprint(FD_NET, "client: connect all\n"); |
| |
| client_signal_handler(); |
| |
| flist_for_each_safe(entry, tmp, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| ret = fio_client_connect(client); |
| if (ret) { |
| remove_client(client); |
| continue; |
| } |
| |
| if (client->argc > 1) |
| send_client_cmd_line(client); |
| } |
| |
| return !nr_clients; |
| } |
| |
| int fio_start_client(struct fio_client *client) |
| { |
| dprint(FD_NET, "client: start %s\n", client->hostname); |
| return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL); |
| } |
| |
| int fio_start_all_clients(void) |
| { |
| struct fio_client *client; |
| struct flist_head *entry, *tmp; |
| int ret; |
| |
| dprint(FD_NET, "client: start all\n"); |
| |
| fio_client_json_init(); |
| |
| flist_for_each_safe(entry, tmp, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| ret = fio_start_client(client); |
| if (ret) { |
| remove_client(client); |
| continue; |
| } |
| } |
| |
| return flist_empty(&client_list); |
| } |
| |
| /* |
| * Send file contents to server backend. We could use sendfile(), but to remain |
| * more portable lets just read/write the darn thing. |
| */ |
| static int __fio_client_send_ini(struct fio_client *client, const char *filename) |
| { |
| struct cmd_job_pdu *pdu; |
| size_t p_size; |
| struct stat sb; |
| char *p; |
| void *buf; |
| off_t len; |
| int fd, ret; |
| |
| dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname); |
| |
| fd = open(filename, O_RDONLY); |
| if (fd < 0) { |
| int ret = -errno; |
| |
| log_err("fio: job file <%s> open: %s\n", filename, strerror(errno)); |
| return ret; |
| } |
| |
| if (fstat(fd, &sb) < 0) { |
| int ret = -errno; |
| |
| log_err("fio: job file stat: %s\n", strerror(errno)); |
| close(fd); |
| return ret; |
| } |
| |
| p_size = sb.st_size + sizeof(*pdu); |
| pdu = malloc(p_size); |
| buf = pdu->buf; |
| |
| len = sb.st_size; |
| p = buf; |
| do { |
| ret = read(fd, p, len); |
| if (ret > 0) { |
| len -= ret; |
| if (!len) |
| break; |
| p += ret; |
| continue; |
| } else if (!ret) |
| break; |
| else if (errno == EAGAIN || errno == EINTR) |
| continue; |
| } while (1); |
| |
| if (len) { |
| log_err("fio: failed reading job file %s\n", filename); |
| close(fd); |
| free(pdu); |
| return 1; |
| } |
| |
| pdu->buf_len = __cpu_to_le32(sb.st_size); |
| pdu->client_type = cpu_to_le32(client->type); |
| |
| client->sent_job = 1; |
| ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL); |
| free(pdu); |
| close(fd); |
| return ret; |
| } |
| |
| int fio_client_send_ini(struct fio_client *client, const char *filename) |
| { |
| int ret; |
| |
| ret = __fio_client_send_ini(client, filename); |
| if (!ret) |
| client->sent_job = 1; |
| |
| return ret; |
| } |
| |
| int fio_clients_send_ini(const char *filename) |
| { |
| struct fio_client *client; |
| struct flist_head *entry, *tmp; |
| |
| flist_for_each_safe(entry, tmp, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| if (client->nr_ini_file) { |
| int i; |
| |
| for (i = 0; i < client->nr_ini_file; i++) { |
| const char *ini = client->ini_file[i]; |
| |
| if (fio_client_send_ini(client, ini)) { |
| remove_client(client); |
| break; |
| } |
| } |
| } else if (!filename || fio_client_send_ini(client, filename)) |
| remove_client(client); |
| } |
| |
| return !nr_clients; |
| } |
| |
| int fio_client_update_options(struct fio_client *client, |
| struct thread_options *o, uint64_t *tag) |
| { |
| struct cmd_add_job_pdu pdu; |
| |
| pdu.thread_number = cpu_to_le32(client->thread_number); |
| pdu.groupid = cpu_to_le32(client->groupid); |
| convert_thread_options_to_net(&pdu.top, o); |
| |
| return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list); |
| } |
| |
| static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
| { |
| dst->max_val = le64_to_cpu(src->max_val); |
| dst->min_val = le64_to_cpu(src->min_val); |
| dst->samples = le64_to_cpu(src->samples); |
| |
| /* |
| * Floats arrive as IEEE 754 encoded uint64_t, convert back to double |
| */ |
| dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i)); |
| dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i)); |
| } |
| |
| static void convert_ts(struct thread_stat *dst, struct thread_stat *src) |
| { |
| int i, j; |
| |
| dst->error = le32_to_cpu(src->error); |
| dst->thread_number = le32_to_cpu(src->thread_number); |
| dst->groupid = le32_to_cpu(src->groupid); |
| dst->pid = le32_to_cpu(src->pid); |
| dst->members = le32_to_cpu(src->members); |
| dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep); |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]); |
| convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]); |
| convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]); |
| convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]); |
| } |
| |
| dst->usr_time = le64_to_cpu(src->usr_time); |
| dst->sys_time = le64_to_cpu(src->sys_time); |
| dst->ctx = le64_to_cpu(src->ctx); |
| dst->minf = le64_to_cpu(src->minf); |
| dst->majf = le64_to_cpu(src->majf); |
| dst->clat_percentiles = le64_to_cpu(src->clat_percentiles); |
| |
| for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
| fio_fp64_t *fps = &src->percentile_list[i]; |
| fio_fp64_t *fpd = &dst->percentile_list[i]; |
| |
| fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i)); |
| } |
| |
| for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]); |
| dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]); |
| dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]); |
| } |
| |
| for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { |
| dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]); |
| dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]); |
| } |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) |
| for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
| dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]); |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]); |
| dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]); |
| } |
| |
| dst->total_submit = le64_to_cpu(src->total_submit); |
| dst->total_complete = le64_to_cpu(src->total_complete); |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]); |
| dst->runtime[i] = le64_to_cpu(src->runtime[i]); |
| } |
| |
| dst->total_run_time = le64_to_cpu(src->total_run_time); |
| dst->continue_on_error = le16_to_cpu(src->continue_on_error); |
| dst->total_err_count = le64_to_cpu(src->total_err_count); |
| dst->first_error = le32_to_cpu(src->first_error); |
| dst->kb_base = le32_to_cpu(src->kb_base); |
| dst->unit_base = le32_to_cpu(src->unit_base); |
| |
| dst->latency_depth = le32_to_cpu(src->latency_depth); |
| dst->latency_target = le64_to_cpu(src->latency_target); |
| dst->latency_window = le64_to_cpu(src->latency_window); |
| dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i)); |
| } |
| |
| static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) |
| { |
| int i; |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| dst->max_run[i] = le64_to_cpu(src->max_run[i]); |
| dst->min_run[i] = le64_to_cpu(src->min_run[i]); |
| dst->max_bw[i] = le64_to_cpu(src->max_bw[i]); |
| dst->min_bw[i] = le64_to_cpu(src->min_bw[i]); |
| dst->io_kb[i] = le64_to_cpu(src->io_kb[i]); |
| dst->agg[i] = le64_to_cpu(src->agg[i]); |
| } |
| |
| dst->kb_base = le32_to_cpu(src->kb_base); |
| dst->unit_base = le32_to_cpu(src->unit_base); |
| dst->groupid = le32_to_cpu(src->groupid); |
| dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep); |
| } |
| |
| static void json_object_add_client_info(struct json_object *obj, |
| struct fio_client *client) |
| { |
| json_object_add_value_string(obj, "hostname", client->hostname); |
| json_object_add_value_int(obj, "port", client->port); |
| } |
| |
| static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; |
| struct json_object *tsobj; |
| |
| tsobj = show_thread_status(&p->ts, &p->rs); |
| client->did_stat = 1; |
| if (tsobj) { |
| json_object_add_client_info(tsobj, client); |
| json_array_add_value_object(clients_array, tsobj); |
| } |
| |
| if (!do_output_all_clients) |
| return; |
| |
| sum_thread_stats(&client_ts, &p->ts, sum_stat_nr); |
| sum_group_stats(&client_gs, &p->rs); |
| |
| client_ts.members++; |
| client_ts.thread_number = p->ts.thread_number; |
| client_ts.groupid = p->ts.groupid; |
| client_ts.unified_rw_rep = p->ts.unified_rw_rep; |
| |
| if (++sum_stat_nr == sum_stat_clients) { |
| strcpy(client_ts.name, "All clients"); |
| tsobj = show_thread_status(&client_ts, &client_gs); |
| if (tsobj) { |
| json_object_add_client_info(tsobj, client); |
| json_array_add_value_object(clients_array, tsobj); |
| } |
| } |
| } |
| |
| static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; |
| |
| show_group_stats(gs); |
| } |
| |
| static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload; |
| const char *buf = (const char *) pdu->buf; |
| const char *name; |
| int fio_unused ret; |
| |
| name = client->name ? client->name : client->hostname; |
| |
| if (!client->skip_newline) |
| fprintf(f_out, "<%s> ", name); |
| ret = fwrite(buf, pdu->buf_len, 1, f_out); |
| fflush(f_out); |
| client->skip_newline = strchr(buf, '\n') == NULL; |
| } |
| |
| static void convert_agg(struct disk_util_agg *agg) |
| { |
| int i; |
| |
| for (i = 0; i < 2; i++) { |
| agg->ios[i] = le32_to_cpu(agg->ios[i]); |
| agg->merges[i] = le32_to_cpu(agg->merges[i]); |
| agg->sectors[i] = le64_to_cpu(agg->sectors[i]); |
| agg->ticks[i] = le32_to_cpu(agg->ticks[i]); |
| } |
| |
| agg->io_ticks = le32_to_cpu(agg->io_ticks); |
| agg->time_in_queue = le32_to_cpu(agg->time_in_queue); |
| agg->slavecount = le32_to_cpu(agg->slavecount); |
| agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i)); |
| } |
| |
| static void convert_dus(struct disk_util_stat *dus) |
| { |
| int i; |
| |
| for (i = 0; i < 2; i++) { |
| dus->ios[i] = le32_to_cpu(dus->ios[i]); |
| dus->merges[i] = le32_to_cpu(dus->merges[i]); |
| dus->sectors[i] = le64_to_cpu(dus->sectors[i]); |
| dus->ticks[i] = le32_to_cpu(dus->ticks[i]); |
| } |
| |
| dus->io_ticks = le32_to_cpu(dus->io_ticks); |
| dus->time_in_queue = le32_to_cpu(dus->time_in_queue); |
| dus->msec = le64_to_cpu(dus->msec); |
| } |
| |
| static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; |
| |
| if (!client->disk_stats_shown) { |
| client->disk_stats_shown = 1; |
| log_info("\nDisk stats (read/write):\n"); |
| } |
| |
| if (output_format == FIO_OUTPUT_JSON) { |
| struct json_object *duobj; |
| json_array_add_disk_util(&du->dus, &du->agg, du_array); |
| duobj = json_array_last_value_object(du_array); |
| json_object_add_client_info(duobj, client); |
| } else |
| print_disk_util(&du->dus, &du->agg, output_format == FIO_OUTPUT_TERSE); |
| } |
| |
| static void convert_jobs_eta(struct jobs_eta *je) |
| { |
| int i; |
| |
| je->nr_running = le32_to_cpu(je->nr_running); |
| je->nr_ramp = le32_to_cpu(je->nr_ramp); |
| je->nr_pending = le32_to_cpu(je->nr_pending); |
| je->nr_setting_up = le32_to_cpu(je->nr_setting_up); |
| je->files_open = le32_to_cpu(je->files_open); |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| je->m_rate[i] = le32_to_cpu(je->m_rate[i]); |
| je->t_rate[i] = le32_to_cpu(je->t_rate[i]); |
| je->m_iops[i] = le32_to_cpu(je->m_iops[i]); |
| je->t_iops[i] = le32_to_cpu(je->t_iops[i]); |
| je->rate[i] = le32_to_cpu(je->rate[i]); |
| je->iops[i] = le32_to_cpu(je->iops[i]); |
| } |
| |
| je->elapsed_sec = le64_to_cpu(je->elapsed_sec); |
| je->eta_sec = le64_to_cpu(je->eta_sec); |
| je->nr_threads = le32_to_cpu(je->nr_threads); |
| je->is_pow2 = le32_to_cpu(je->is_pow2); |
| je->unit_base = le32_to_cpu(je->unit_base); |
| } |
| |
| void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je) |
| { |
| int i; |
| |
| dst->nr_running += je->nr_running; |
| dst->nr_ramp += je->nr_ramp; |
| dst->nr_pending += je->nr_pending; |
| dst->nr_setting_up += je->nr_setting_up; |
| dst->files_open += je->files_open; |
| |
| for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| dst->m_rate[i] += je->m_rate[i]; |
| dst->t_rate[i] += je->t_rate[i]; |
| dst->m_iops[i] += je->m_iops[i]; |
| dst->t_iops[i] += je->t_iops[i]; |
| dst->rate[i] += je->rate[i]; |
| dst->iops[i] += je->iops[i]; |
| } |
| |
| dst->elapsed_sec += je->elapsed_sec; |
| |
| if (je->eta_sec > dst->eta_sec) |
| dst->eta_sec = je->eta_sec; |
| |
| dst->nr_threads += je->nr_threads; |
| /* we need to handle je->run_str too ... */ |
| } |
| |
| void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn) |
| { |
| if (!--eta->pending) { |
| eta_fn(&eta->eta); |
| free(eta); |
| } |
| } |
| |
| static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct fio_net_cmd_reply *reply = NULL; |
| struct flist_head *entry; |
| |
| flist_for_each(entry, &client->cmd_list) { |
| reply = flist_entry(entry, struct fio_net_cmd_reply, list); |
| |
| if (cmd->tag == (uintptr_t) reply) |
| break; |
| |
| reply = NULL; |
| } |
| |
| if (!reply) { |
| log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag); |
| return; |
| } |
| |
| flist_del(&reply->list); |
| cmd->tag = reply->saved_tag; |
| free(reply); |
| } |
| |
| int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag) |
| { |
| do { |
| struct fio_net_cmd_reply *reply = NULL; |
| struct flist_head *entry; |
| |
| flist_for_each(entry, &client->cmd_list) { |
| reply = flist_entry(entry, struct fio_net_cmd_reply, list); |
| |
| if (tag == (uintptr_t) reply) |
| break; |
| |
| reply = NULL; |
| } |
| |
| if (!reply) |
| break; |
| |
| usleep(1000); |
| } while (1); |
| |
| return 0; |
| } |
| |
| static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct jobs_eta *je = (struct jobs_eta *) cmd->payload; |
| struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag; |
| |
| dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending); |
| |
| assert(client->eta_in_flight == eta); |
| |
| client->eta_in_flight = NULL; |
| flist_del_init(&client->eta_list); |
| |
| if (client->ops->jobs_eta) |
| client->ops->jobs_eta(client, je); |
| |
| fio_client_sum_jobs_eta(&eta->eta, je); |
| fio_client_dec_jobs_eta(eta, client->ops->eta); |
| } |
| |
| static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload; |
| const char *os, *arch; |
| char bit[16]; |
| |
| os = fio_get_os_string(probe->os); |
| if (!os) |
| os = "unknown"; |
| |
| arch = fio_get_arch_string(probe->arch); |
| if (!arch) |
| os = "unknown"; |
| |
| sprintf(bit, "%d-bit", probe->bpp * 8); |
| probe->flags = le64_to_cpu(probe->flags); |
| |
| log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n", |
| probe->hostname, probe->bigendian, bit, os, arch, |
| probe->fio_version, (unsigned long) probe->flags); |
| |
| if (!client->name) |
| client->name = strdup((char *) probe->hostname); |
| } |
| |
| static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; |
| |
| client->state = Client_started; |
| client->jobs = le32_to_cpu(pdu->jobs); |
| client->nr_stat = le32_to_cpu(pdu->stat_outputs); |
| |
| if (sum_stat_clients > 1) |
| do_output_all_clients = 1; |
| |
| sum_stat_clients += client->nr_stat; |
| } |
| |
| static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd) |
| { |
| if (client->error) |
| log_info("client <%s>: exited with error %d\n", client->hostname, client->error); |
| } |
| |
| static void convert_stop(struct fio_net_cmd *cmd) |
| { |
| struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; |
| |
| pdu->error = le32_to_cpu(pdu->error); |
| } |
| |
| static void convert_text(struct fio_net_cmd *cmd) |
| { |
| struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload; |
| |
| pdu->level = le32_to_cpu(pdu->level); |
| pdu->buf_len = le32_to_cpu(pdu->buf_len); |
| pdu->log_sec = le64_to_cpu(pdu->log_sec); |
| pdu->log_usec = le64_to_cpu(pdu->log_usec); |
| } |
| |
| static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd, |
| struct cmd_iolog_pdu *pdu) |
| { |
| #ifdef CONFIG_ZLIB |
| struct cmd_iolog_pdu *ret; |
| z_stream stream; |
| uint32_t nr_samples; |
| size_t total; |
| void *p; |
| |
| stream.zalloc = Z_NULL; |
| stream.zfree = Z_NULL; |
| stream.opaque = Z_NULL; |
| stream.avail_in = 0; |
| stream.next_in = Z_NULL; |
| |
| if (inflateInit(&stream) != Z_OK) |
| return NULL; |
| |
| /* |
| * Get header first, it's not compressed |
| */ |
| nr_samples = le32_to_cpu(pdu->nr_samples); |
| |
| total = nr_samples * sizeof(struct io_sample); |
| ret = malloc(total + sizeof(*pdu)); |
| ret->nr_samples = nr_samples; |
| |
| memcpy(ret, pdu, sizeof(*pdu)); |
| |
| p = (void *) ret + sizeof(*pdu); |
| |
| stream.avail_in = cmd->pdu_len - sizeof(*pdu); |
| stream.next_in = (void *) pdu + sizeof(*pdu); |
| while (stream.avail_in) { |
| unsigned int this_chunk = 65536; |
| unsigned int this_len; |
| int err; |
| |
| if (this_chunk > total) |
| this_chunk = total; |
| |
| stream.avail_out = this_chunk; |
| stream.next_out = p; |
| err = inflate(&stream, Z_NO_FLUSH); |
| /* may be Z_OK, or Z_STREAM_END */ |
| if (err < 0) { |
| log_err("fio: inflate error %d\n", err); |
| free(ret); |
| ret = NULL; |
| goto err; |
| } |
| |
| this_len = this_chunk - stream.avail_out; |
| p += this_len; |
| total -= this_len; |
| } |
| |
| err: |
| inflateEnd(&stream); |
| return ret; |
| #else |
| return NULL; |
| #endif |
| } |
| |
| /* |
| * This has been compressed on the server side, since it can be big. |
| * Uncompress here. |
| */ |
| static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd) |
| { |
| struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload; |
| struct cmd_iolog_pdu *ret; |
| int i; |
| |
| /* |
| * Convert if compressed and we support it. If it's not |
| * compressed, we need not do anything. |
| */ |
| if (le32_to_cpu(pdu->compressed)) { |
| #ifndef CONFIG_ZLIB |
| log_err("fio: server sent compressed data by mistake\n"); |
| return NULL; |
| #endif |
| ret = convert_iolog_gz(cmd, pdu); |
| if (!ret) { |
| log_err("fio: failed decompressing log\n"); |
| return NULL; |
| } |
| } else |
| ret = pdu; |
| |
| ret->thread_number = le32_to_cpu(ret->thread_number); |
| ret->nr_samples = le32_to_cpu(ret->nr_samples); |
| ret->log_type = le32_to_cpu(ret->log_type); |
| ret->compressed = le32_to_cpu(ret->compressed); |
| |
| for (i = 0; i < ret->nr_samples; i++) { |
| struct io_sample *s = &ret->samples[i]; |
| |
| s->time = le64_to_cpu(s->time); |
| s->val = le64_to_cpu(s->val); |
| s->ddir = le32_to_cpu(s->ddir); |
| s->bs = le32_to_cpu(s->bs); |
| } |
| |
| return ret; |
| } |
| |
| int fio_handle_client(struct fio_client *client) |
| { |
| struct client_ops *ops = client->ops; |
| struct fio_net_cmd *cmd; |
| |
| dprint(FD_NET, "client: handle %s\n", client->hostname); |
| |
| cmd = fio_net_recv_cmd(client->fd); |
| if (!cmd) |
| return 0; |
| |
| dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n", |
| fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len); |
| |
| switch (cmd->opcode) { |
| case FIO_NET_CMD_QUIT: |
| if (ops->quit) |
| ops->quit(client, cmd); |
| remove_client(client); |
| free(cmd); |
| break; |
| case FIO_NET_CMD_TEXT: |
| convert_text(cmd); |
| ops->text(client, cmd); |
| free(cmd); |
| break; |
| case FIO_NET_CMD_DU: { |
| struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload; |
| |
| convert_dus(&du->dus); |
| convert_agg(&du->agg); |
| |
| ops->disk_util(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_TS: { |
| struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload; |
| |
| convert_ts(&p->ts, &p->ts); |
| convert_gs(&p->rs, &p->rs); |
| |
| ops->thread_status(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_GS: { |
| struct group_run_stats *gs = (struct group_run_stats *) cmd->payload; |
| |
| convert_gs(gs, gs); |
| |
| ops->group_stats(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_ETA: { |
| struct jobs_eta *je = (struct jobs_eta *) cmd->payload; |
| |
| remove_reply_cmd(client, cmd); |
| convert_jobs_eta(je); |
| handle_eta(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_PROBE: |
| remove_reply_cmd(client, cmd); |
| ops->probe(client, cmd); |
| free(cmd); |
| break; |
| case FIO_NET_CMD_SERVER_START: |
| client->state = Client_running; |
| if (ops->job_start) |
| ops->job_start(client, cmd); |
| free(cmd); |
| break; |
| case FIO_NET_CMD_START: { |
| struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload; |
| |
| pdu->jobs = le32_to_cpu(pdu->jobs); |
| ops->start(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_STOP: { |
| struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload; |
| |
| convert_stop(cmd); |
| client->state = Client_stopped; |
| client->error = le32_to_cpu(pdu->error); |
| client->signal = le32_to_cpu(pdu->signal); |
| ops->stop(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_ADD_JOB: { |
| struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; |
| |
| client->thread_number = le32_to_cpu(pdu->thread_number); |
| client->groupid = le32_to_cpu(pdu->groupid); |
| |
| if (ops->add_job) |
| ops->add_job(client, cmd); |
| free(cmd); |
| break; |
| } |
| case FIO_NET_CMD_IOLOG: |
| if (ops->iolog) { |
| struct cmd_iolog_pdu *pdu; |
| |
| pdu = convert_iolog(cmd); |
| ops->iolog(client, pdu); |
| } |
| free(cmd); |
| break; |
| case FIO_NET_CMD_UPDATE_JOB: |
| ops->update_job(client, cmd); |
| remove_reply_cmd(client, cmd); |
| free(cmd); |
| break; |
| default: |
| log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode)); |
| free(cmd); |
| break; |
| } |
| |
| return 1; |
| } |
| |
| static void request_client_etas(struct client_ops *ops) |
| { |
| struct fio_client *client; |
| struct flist_head *entry; |
| struct client_eta *eta; |
| int skipped = 0; |
| |
| dprint(FD_NET, "client: request eta (%d)\n", nr_clients); |
| |
| eta = malloc(sizeof(*eta)); |
| memset(&eta->eta, 0, sizeof(eta->eta)); |
| eta->pending = nr_clients; |
| |
| flist_for_each(entry, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| if (!flist_empty(&client->eta_list)) { |
| skipped++; |
| continue; |
| } |
| if (client->state != Client_running) |
| continue; |
| |
| assert(!client->eta_in_flight); |
| flist_add_tail(&client->eta_list, &eta_list); |
| client->eta_in_flight = eta; |
| fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA, |
| (uintptr_t) eta, &client->cmd_list); |
| } |
| |
| while (skipped--) |
| fio_client_dec_jobs_eta(eta, ops->eta); |
| |
| dprint(FD_NET, "client: requested eta tag %p\n", eta); |
| } |
| |
| static int client_check_cmd_timeout(struct fio_client *client, |
| struct timeval *now) |
| { |
| struct fio_net_cmd_reply *reply; |
| struct flist_head *entry, *tmp; |
| int ret = 0; |
| |
| flist_for_each_safe(entry, tmp, &client->cmd_list) { |
| reply = flist_entry(entry, struct fio_net_cmd_reply, list); |
| |
| if (mtime_since(&reply->tv, now) < FIO_NET_CLIENT_TIMEOUT) |
| continue; |
| |
| log_err("fio: client %s, timeout on cmd %s\n", client->hostname, |
| fio_server_op(reply->opcode)); |
| flist_del(&reply->list); |
| free(reply); |
| ret = 1; |
| } |
| |
| return flist_empty(&client->cmd_list) && ret; |
| } |
| |
| static int fio_check_clients_timed_out(void) |
| { |
| struct fio_client *client; |
| struct flist_head *entry, *tmp; |
| struct timeval tv; |
| int ret = 0; |
| |
| fio_gettime(&tv, NULL); |
| |
| flist_for_each_safe(entry, tmp, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| if (flist_empty(&client->cmd_list)) |
| continue; |
| |
| if (!client_check_cmd_timeout(client, &tv)) |
| continue; |
| |
| if (client->ops->timed_out) |
| client->ops->timed_out(client); |
| else |
| log_err("fio: client %s timed out\n", client->hostname); |
| |
| remove_client(client); |
| ret = 1; |
| } |
| |
| return ret; |
| } |
| |
| int fio_handle_clients(struct client_ops *ops) |
| { |
| struct pollfd *pfds; |
| int i, ret = 0, retval = 0; |
| |
| fio_gettime(&eta_tv, NULL); |
| |
| pfds = malloc(nr_clients * sizeof(struct pollfd)); |
| |
| init_thread_stat(&client_ts); |
| init_group_run_stat(&client_gs); |
| |
| while (!exit_backend && nr_clients) { |
| struct flist_head *entry, *tmp; |
| struct fio_client *client; |
| |
| i = 0; |
| flist_for_each_safe(entry, tmp, &client_list) { |
| client = flist_entry(entry, struct fio_client, list); |
| |
| if (!client->sent_job && !client->ops->stay_connected && |
| flist_empty(&client->cmd_list)) { |
| remove_client(client); |
| continue; |
| } |
| |
| pfds[i].fd = client->fd; |
| pfds[i].events = POLLIN; |
| i++; |
| } |
| |
| if (!nr_clients) |
| break; |
| |
| assert(i == nr_clients); |
| |
| do { |
| struct timeval tv; |
| |
| fio_gettime(&tv, NULL); |
| if (mtime_since(&eta_tv, &tv) >= 900) { |
| request_client_etas(ops); |
| memcpy(&eta_tv, &tv, sizeof(tv)); |
| |
| if (fio_check_clients_timed_out()) |
| break; |
| } |
| |
| ret = poll(pfds, nr_clients, ops->eta_msec); |
| if (ret < 0) { |
| if (errno == EINTR) |
| continue; |
| log_err("fio: poll clients: %s\n", strerror(errno)); |
| break; |
| } else if (!ret) |
| continue; |
| } while (ret <= 0); |
| |
| for (i = 0; i < nr_clients; i++) { |
| if (!(pfds[i].revents & POLLIN)) |
| continue; |
| |
| client = find_client_by_fd(pfds[i].fd); |
| if (!client) { |
| log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd); |
| continue; |
| } |
| if (!fio_handle_client(client)) { |
| log_info("client: host=%s disconnected\n", |
| client->hostname); |
| remove_client(client); |
| retval = 1; |
| } else if (client->error) |
| retval = 1; |
| fio_put_client(client); |
| } |
| } |
| |
| fio_client_json_fini(); |
| |
| free(pfds); |
| return retval; |
| } |