#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
-#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
+#include <signal.h>
#include "fio.h"
#include "server.h"
-#include "crc/crc32.h"
+#include "flist.h"
+#include "hash.h"
-int fio_client_fd = -1;
-
-int fio_client_connect(const char *host)
-{
+struct fio_client {
+ struct flist_head list;
+ struct flist_head hash_list;
struct sockaddr_in addr;
+ struct sockaddr_un addr_un;
+ char *hostname;
+ int port;
int fd;
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(fio_net_port);
+ int state;
+ int skip_newline;
+ int is_sock;
- if (inet_aton(host, &addr.sin_addr) != 1) {
- struct hostent *hent;
+ uint16_t argc;
+ char **argv;
+};
- hent = gethostbyname(host);
- if (!hent) {
- log_err("fio: gethostbyname: %s\n", strerror(errno));
- return 1;
- }
+enum {
+ Client_created = 0,
+ Client_connected = 1,
+ Client_started = 2,
+ Client_stopped = 3,
+ Client_exited = 4,
+};
+
+static FLIST_HEAD(client_list);
+
+#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 int handle_client(struct fio_client *client);
+
+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 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)
+ return client;
+ }
+
+ return NULL;
+}
+
+static void remove_client(struct fio_client *client)
+{
+ dprint(FD_NET, "client: removed <%s>\n", client->hostname);
+ flist_del(&client->list);
- memcpy(&addr.sin_addr, hent->h_addr, 4);
+ fio_client_remove_hash(client);
+
+ free(client->hostname);
+ if (client->argv)
+ free(client->argv);
+
+ free(client);
+ nr_clients--;
+}
+
+static int __fio_client_add_cmd_option(struct fio_client *client,
+ const char *opt)
+{
+ int index;
+
+ if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) {
+ log_err("fio: max cmd line number reached.\n");
+ log_err("fio: cmd line <%s> has been ignored.\n", opt);
+ return 1;
}
+ 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);
+ return 0;
+}
+
+int fio_client_add_cmd_option(void *cookie, const char *opt)
+{
+ struct fio_client *client = cookie;
+
+ if (!client || !opt)
+ return 0;
+
+ return __fio_client_add_cmd_option(client, opt);
+}
+
+int fio_client_add(const char *hostname, void **cookie)
+{
+ struct fio_client *client;
+
+ client = malloc(sizeof(*client));
+ memset(client, 0, sizeof(*client));
+
+ INIT_FLIST_HEAD(&client->list);
+ INIT_FLIST_HEAD(&client->hash_list);
+
+ if (fio_server_parse_string(hostname, &client->hostname,
+ &client->is_sock, &client->port,
+ &client->addr.sin_addr))
+ return -1;
+
+ client->fd = -1;
+
+ __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 int fio_client_connect_ip(struct fio_client *client)
+{
+ int fd;
+
+ client->addr.sin_family = AF_INET;
+ client->addr.sin_port = htons(client->port);
+
fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0) {
log_err("fio: socket: %s\n", strerror(errno));
- return 1;
+ return -1;
}
- if (connect(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
log_err("fio: connect: %s\n", strerror(errno));
- return 1;
+ log_err("fio: failed to connect to %s:%u\n", client->hostname,
+ client->port);
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+static int fio_client_connect_sock(struct fio_client *client)
+{
+ struct sockaddr_un *addr = &client->addr_un;
+ fio_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) {
+ log_err("fio: socket: %s\n", strerror(errno));
+ return -1;
+ }
+
+ len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
+ if (connect(fd, (struct sockaddr *) addr, len) < 0) {
+ log_err("fio: connect; %s\n", strerror(errno));
+ close(fd);
+ return -1;
}
- fio_client_fd = fd;
+ return fd;
+}
+
+static 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);
+
+ if (fd < 0)
+ return 1;
+
+ client->fd = fd;
+ fio_client_add_hash(client);
+ client->state = Client_connected;
return 0;
}
-static int send_file_buf(char *buf, off_t size)
+void fio_clients_terminate(void)
{
- struct fio_net_cmd *cmd;
- int ret;
+ 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_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0);
+ }
+}
+
+static void sig_int(int sig)
+{
+ dprint(FD_NET, "client: got signal %d\n", sig);
+ fio_clients_terminate();
+}
+
+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);
- cmd = malloc(sizeof(*cmd) + size);
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sig_int;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGTERM, &act, NULL);
+}
- fio_init_net_cmd(cmd);
- cmd->opcode = cpu_to_le16(FIO_NET_CMD_JOB_END);
- cmd->pdu_len = cpu_to_le32(size);
+static void probe_client(struct fio_client *client)
+{
+ dprint(FD_NET, "client: send probe\n");
- memcpy(&cmd->payload, buf, size);
+ fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0);
+ handle_client(client);
+}
- fio_net_cmd_crc(cmd);
+static int send_client_cmd_line(struct fio_client *client)
+{
+ struct cmd_line_pdu *pdu;
+ int i, ret;
- ret = fio_send_data(fio_client_fd, cmd, sizeof(*cmd) + size);
- free(cmd);
+ dprint(FD_NET, "client: send cmdline %d\n", client->argc);
+
+ pdu = malloc(sizeof(*pdu));
+ for (i = 0; i < client->argc; i++)
+ strcpy((char *) pdu->argv[i], client->argv[i]);
+
+ pdu->argc = cpu_to_le16(client->argc);
+ ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu));
+ free(pdu);
return ret;
}
+int fio_clients_connect(void)
+{
+ struct fio_client *client;
+ struct flist_head *entry, *tmp;
+ int ret;
+
+ 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;
+ }
+
+ probe_client(client);
+
+ if (client->argc > 1)
+ send_client_cmd_line(client);
+ }
+
+ return !nr_clients;
+}
+
/*
* Send file contents to server backend. We could use sendfile(), but to remain
* more portable lets just read/write the darn thing.
*/
-int fio_client_send_ini(const char *filename)
+static int fio_client_send_ini(struct fio_client *client, const char *filename)
{
struct stat sb;
char *p, *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) {
- log_err("fio: job file open: %s\n", strerror(errno));
+ log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
return 1;
}
if (fstat(fd, &sb) < 0) {
log_err("fio: job file stat: %s\n", strerror(errno));
+ close(fd);
return 1;
}
continue;
} while (1);
- ret = send_file_buf(buf, sb.st_size);
+ if (len) {
+ log_err("fio: failed reading job file %s\n", filename);
+ close(fd);
+ free(buf);
+ return 1;
+ }
+
+ ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size);
free(buf);
+ close(fd);
return ret;
}
-int fio_handle_clients(void)
+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 (fio_client_send_ini(client, filename))
+ remove_client(client);
+ }
+
+ return !nr_clients;
+}
+
+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->groupid = le32_to_cpu(src->groupid);
+ dst->pid = le32_to_cpu(src->pid);
+ dst->members = le32_to_cpu(src->members);
+
+ for (i = 0; i < 2; 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 < 2; 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 < 3; 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 < 2; 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);
+}
+
+static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
+{
+ int i;
+
+ for (i = 0; i < 2; 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->groupid = le32_to_cpu(src->groupid);
+}
+
+static void handle_ts(struct fio_net_cmd *cmd)
+{
+ struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
+
+ convert_ts(&p->ts, &p->ts);
+ convert_gs(&p->rs, &p->rs);
+
+ show_thread_status(&p->ts, &p->rs);
+}
+
+static void handle_gs(struct fio_net_cmd *cmd)
+{
+ struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
+
+ convert_gs(gs, gs);
+ show_group_stats(gs);
+}
+
+static void handle_eta(struct fio_net_cmd *cmd)
+{
+ struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
+ 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->files_open = le32_to_cpu(je->files_open);
+ je->m_rate = le32_to_cpu(je->m_rate);
+ je->t_rate = le32_to_cpu(je->t_rate);
+ je->m_iops = le32_to_cpu(je->m_iops);
+ je->t_iops = le32_to_cpu(je->t_iops);
+
+ for (i = 0; i < 2; i++) {
+ je->rate[i] = le32_to_cpu(je->rate[i]);
+ je->iops[i] = le32_to_cpu(je->iops[i]);
+ }
+
+ je->elapsed_sec = le32_to_cpu(je->nr_running);
+ je->eta_sec = le64_to_cpu(je->eta_sec);
+
+ display_thread_status(je);
+}
+
+static void handle_probe(struct fio_net_cmd *cmd)
+{
+ struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
+ const char *os, *arch;
+
+ os = fio_get_os_string(probe->os);
+ if (!os)
+ os = "unknown";
+
+ arch = fio_get_arch_string(probe->arch);
+ if (!arch)
+ os = "unknown";
+
+ log_info("hostname=%s, be=%u, os=%s, arch=%s, fio ver %u.%u.%u\n",
+ probe->hostname, probe->bigendian, os, arch, probe->fio_major,
+ probe->fio_minor, probe->fio_patch);
+}
+
+static int handle_client(struct fio_client *client)
{
struct fio_net_cmd *cmd;
- while (!exit_backend) {
- cmd = fio_net_cmd_read(fio_client_fd);
- if (!cmd)
- continue;
+ dprint(FD_NET, "client: handle %s\n", client->hostname);
- if (cmd->opcode == FIO_NET_CMD_ACK) {
- free(cmd);
- continue;
- }
- if (cmd->opcode != FIO_NET_CMD_TEXT) {
- printf("non text: %d\n", cmd->opcode);
- free(cmd);
- continue;
+ cmd = fio_net_recv_cmd(client->fd);
+ if (!cmd)
+ return 0;
+
+ dprint(FD_NET, "client: got cmd op %d from %s\n",
+ cmd->opcode, client->hostname);
+
+ switch (cmd->opcode) {
+ case FIO_NET_CMD_QUIT:
+ remove_client(client);
+ free(cmd);
+ break;
+ case FIO_NET_CMD_TEXT: {
+ const char *buf = (const char *) cmd->payload;
+ int fio_unused ret;
+
+ if (!client->skip_newline)
+ fprintf(f_out, "<%s> ", client->hostname);
+ ret = fwrite(buf, cmd->pdu_len, 1, f_out);
+ fflush(f_out);
+ client->skip_newline = strchr(buf, '\n') == NULL;
+ free(cmd);
+ break;
}
- printf("%s", cmd->payload);
- fflush(stdout);
+ case FIO_NET_CMD_TS:
+ handle_ts(cmd);
+ free(cmd);
+ break;
+ case FIO_NET_CMD_GS:
+ handle_gs(cmd);
+ free(cmd);
+ break;
+ case FIO_NET_CMD_ETA:
+ handle_eta(cmd);
+ free(cmd);
+ break;
+ case FIO_NET_CMD_PROBE:
+ handle_probe(cmd);
free(cmd);
+ break;
+ case FIO_NET_CMD_START:
+ client->state = Client_started;
+ free(cmd);
+ break;
+ case FIO_NET_CMD_STOP:
+ client->state = Client_stopped;
+ free(cmd);
+ break;
+ default:
+ log_err("fio: unknown client op: %d\n", cmd->opcode);
+ free(cmd);
+ break;
+ }
+
+ return 1;
+}
+
+int fio_handle_clients(void)
+{
+ struct fio_client *client;
+ struct flist_head *entry;
+ struct pollfd *pfds;
+ int i, ret = 0;
+
+ pfds = malloc(nr_clients * sizeof(struct pollfd));
+
+ while (!exit_backend && nr_clients) {
+ i = 0;
+ flist_for_each(entry, &client_list) {
+ client = flist_entry(entry, struct fio_client, list);
+
+ pfds[i].fd = client->fd;
+ pfds[i].events = POLLIN;
+ i++;
+ }
+
+ assert(i == nr_clients);
+
+ do {
+ ret = poll(pfds, nr_clients, 100);
+ 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 %d\n", pfds[i].fd);
+ continue;
+ }
+ if (!handle_client(client)) {
+ log_info("client: host=%s disconnected\n",
+ client->hostname);
+ remove_client(client);
+ }
+ }
}
+ free(pfds);
return 0;
}
projects / fio.git / blobdiff