#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 "fio.h"
#include "server.h"
-#include "crc/crc32.h"
#include "flist.h"
+#include "hash.h"
+
+struct client_eta {
+ struct jobs_eta eta;
+ unsigned int pending;
+};
struct fio_client {
struct flist_head list;
+ struct flist_head hash_list;
+ struct flist_head arg_list;
struct sockaddr_in addr;
+ struct sockaddr_un addr_un;
char *hostname;
+ int port;
int fd;
+ char *name;
+
int state;
+
int skip_newline;
+ int is_sock;
+
+ struct flist_head eta_list;
+ struct client_eta *eta_in_flight;
+
+ struct flist_head cmd_list;
uint16_t argc;
char **argv;
};
+static struct timeval eta_tv;
+
enum {
Client_created = 0,
Client_connected = 1,
};
static FLIST_HEAD(client_list);
+static FLIST_HEAD(eta_list);
+
+static FLIST_HEAD(arg_list);
+
+static struct thread_stat client_ts;
+static struct group_run_stats client_gs;
+static int sum_stat_clients;
+static int sum_stat_nr;
+
+#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 dec_jobs_eta(struct client_eta *eta);
-static struct fio_client *find_client_by_fd(int fd)
+static void fio_client_add_hash(struct fio_client *client)
{
- struct fio_client *client;
- struct flist_head *entry;
+ int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
- flist_for_each(entry, &client_list) {
- client = flist_entry(entry, struct fio_client, list);
+ bucket &= FIO_CLIENT_HASH_MASK;
+ flist_add(&client->hash_list, &client_hash[bucket]);
+}
- if (client->fd == fd)
- return client;
- }
+static void fio_client_remove_hash(struct fio_client *client)
+{
+ if (!flist_empty(&client->hash_list))
+ flist_del_init(&client->hash_list);
+}
- return NULL;
+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_name(const char *name)
+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_list) {
- client = flist_entry(entry, struct fio_client, list);
+ flist_for_each(entry, &client_hash[bucket]) {
+ client = flist_entry(entry, struct fio_client, hash_list);
- if (!strcmp(name, client->hostname))
+ if (client->fd == fd)
return client;
}
{
dprint(FD_NET, "client: removed <%s>\n", client->hostname);
flist_del(&client->list);
- nr_clients--;
+
+ fio_client_remove_hash(client);
+
+ if (!flist_empty(&client->eta_list)) {
+ flist_del_init(&client->eta_list);
+ dec_jobs_eta(client->eta_in_flight);
+ }
free(client->hostname);
if (client->argv)
free(client->argv);
+ if (client->name)
+ free(client->name);
free(client);
+ nr_clients--;
+ sum_stat_clients--;
}
-static int __fio_client_add_cmd_option(struct fio_client *client,
- const char *opt)
+static void __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(const char *hostname, const char *opt)
+void fio_client_add_cmd_option(void *cookie, const char *opt)
{
- struct fio_client *client;
+ struct fio_client *client = cookie;
+ struct flist_head *entry;
- if (!hostname || !opt)
- return 0;
+ if (!client || !opt)
+ return;
- client = find_client_by_name(hostname);
- if (!client) {
- log_err("fio: unknown client %s\n", hostname);
- return 1;
- }
+ __fio_client_add_cmd_option(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);
+ }
}
-void fio_client_add(const char *hostname)
+int fio_client_add(const char *hostname, void **cookie)
{
+ struct fio_client *existing = *cookie;
struct fio_client *client;
- dprint(FD_NET, "client: added <%s>\n", hostname);
+ 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));
- client->hostname = strdup(hostname);
+ 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))
+ 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(struct fio_client *client)
+static int fio_client_connect_ip(struct fio_client *client)
{
int fd;
- dprint(FD_NET, "client: connect to host %s\n", client->hostname);
-
- memset(&client->addr, 0, sizeof(client->addr));
client->addr.sin_family = AF_INET;
- client->addr.sin_port = htons(fio_net_port);
-
- if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) {
- struct hostent *hent;
-
- hent = gethostbyname(client->hostname);
- if (!hent) {
- log_err("fio: gethostbyname: %s\n", strerror(errno));
- log_err("fio: failed looking up hostname %s\n",
- client->hostname);
- return 1;
- }
-
- memcpy(&client->addr.sin_addr, hent->h_addr, 4);
- }
+ 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 *) &client->addr, sizeof(client->addr)) < 0) {
log_err("fio: connect: %s\n", strerror(errno));
- log_err("fio: failed to connect to %s\n", client->hostname);
- 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;
+ }
+
+ 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);
+
+ dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
+
+ if (fd < 0)
+ return 1;
+
client->fd = fd;
+ fio_client_add_hash(client);
client->state = Client_connected;
return 0;
}
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);
+ fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
}
}
static void sig_int(int sig)
{
- dprint(FD_NET, "client: got sign %d\n", sig);
+ dprint(FD_NET, "client: got signal %d\n", sig);
fio_clients_terminate();
}
{
dprint(FD_NET, "client: send probe\n");
- fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0);
- handle_client(client);
+ fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
}
static int send_client_cmd_line(struct fio_client *client)
{
- struct cmd_line_pdu *pdu;
+ 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);
- pdu = malloc(sizeof(*pdu));
- for (i = 0; i < client->argc; i++)
- strcpy((char *) pdu->argv[i], client->argv[i]);
+ 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;
+ }
- pdu->argc = cpu_to_le16(client->argc);
- ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu));
+ free(lens);
+ clp->lines = cpu_to_le16(client->argc);
+ ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0);
free(pdu);
return ret;
}
if (fstat(fd, &sb) < 0) {
log_err("fio: job file stat: %s\n", strerror(errno));
+ close(fd);
return 1;
}
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);
+ ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0);
free(buf);
+ close(fd);
return ret;
}
convert_gs(&p->rs, &p->rs);
show_thread_status(&p->ts, &p->rs);
+
+ if (sum_stat_clients == 1)
+ return;
+
+ sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
+ sum_group_stats(&client_gs, &p->rs);
+
+ client_ts.members++;
+ client_ts.groupid = p->ts.groupid;
+
+ if (++sum_stat_nr == sum_stat_clients) {
+ strcpy(client_ts.name, "All clients");
+ show_thread_status(&client_ts, &client_gs);
+ }
}
static void handle_gs(struct fio_net_cmd *cmd)
show_group_stats(gs);
}
-static void handle_eta(struct fio_net_cmd *cmd)
+static void convert_jobs_eta(struct jobs_eta *je)
{
- struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
int i;
je->nr_running = le32_to_cpu(je->nr_running);
je->iops[i] = le32_to_cpu(je->iops[i]);
}
- je->elapsed_sec = le32_to_cpu(je->nr_running);
+ je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
je->eta_sec = le64_to_cpu(je->eta_sec);
+}
+
+static void 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->files_open += je->files_open;
+ dst->m_rate += je->m_rate;
+ dst->t_rate += je->t_rate;
+ dst->m_iops += je->m_iops;
+ dst->t_iops += je->t_iops;
- display_thread_status(je);
+ for (i = 0; i < 2; 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;
+}
+
+static void dec_jobs_eta(struct client_eta *eta)
+{
+ if (!--eta->pending) {
+ display_thread_status(&eta->eta);
+ free(eta);
+ }
}
-static void handle_probe(struct fio_net_cmd *cmd)
+static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
+{
+ struct fio_net_int_cmd *icmd = NULL;
+ struct flist_head *entry;
+
+ flist_for_each(entry, &client->cmd_list) {
+ icmd = flist_entry(entry, struct fio_net_int_cmd, list);
+
+ if (cmd->tag == (uintptr_t) icmd)
+ break;
+
+ icmd = NULL;
+ }
+
+ if (!icmd) {
+ log_err("fio: client: unable to find matching tag\n");
+ return;
+ }
+
+ flist_del(&icmd->list);
+ cmd->tag = icmd->saved_tag;
+ free(icmd);
+}
+
+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);
+
+ convert_jobs_eta(je);
+ sum_jobs_eta(&eta->eta, je);
+ dec_jobs_eta(eta);
+}
+
+static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
{
struct cmd_probe_pdu *probe = (struct cmd_probe_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);
- log_info("Probe: hostname=%s, be=%u, fio ver %u.%u.%u\n",
- probe->hostname, probe->bigendian, probe->fio_major,
- probe->fio_minor, probe->fio_patch);
+ log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n",
+ probe->hostname, probe->bigendian, bit, os, arch,
+ probe->fio_major, probe->fio_minor, probe->fio_patch);
+
+ if (!client->name)
+ client->name = strdup((char *) probe->hostname);
}
static int handle_client(struct fio_client *client)
if (!cmd)
return 0;
- dprint(FD_NET, "client: got cmd op %d from %s\n",
- cmd->opcode, client->hostname);
+ dprint(FD_NET, "client: got cmd op %s from %s\n",
+ fio_server_op(cmd->opcode), client->hostname);
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
break;
case FIO_NET_CMD_TEXT: {
const char *buf = (const char *) cmd->payload;
+ const char *name;
int fio_unused ret;
+ name = client->name ? client->name : client->hostname;
+
if (!client->skip_newline)
- fprintf(f_out, "<%s> ", client->hostname);
+ fprintf(f_out, "<%s> ", name);
ret = fwrite(buf, cmd->pdu_len, 1, f_out);
fflush(f_out);
client->skip_newline = strchr(buf, '\n') == NULL;
free(cmd);
break;
case FIO_NET_CMD_ETA:
- handle_eta(cmd);
+ remove_reply_cmd(client, cmd);
+ handle_eta(client, cmd);
free(cmd);
break;
case FIO_NET_CMD_PROBE:
- handle_probe(cmd);
+ remove_reply_cmd(client, cmd);
+ handle_probe(client, cmd);
free(cmd);
break;
case FIO_NET_CMD_START:
free(cmd);
break;
default:
- log_err("fio: unknown client op: %d\n", cmd->opcode);
+ log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
free(cmd);
break;
}
return 1;
}
+static void request_client_etas(void)
+{
+ 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;
+ }
+
+ 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--)
+ dec_jobs_eta(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_int_cmd *cmd;
+ struct flist_head *entry, *tmp;
+ int ret = 0;
+
+ flist_for_each_safe(entry, tmp, &client->cmd_list) {
+ cmd = flist_entry(entry, struct fio_net_int_cmd, list);
+
+ if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT)
+ continue;
+
+ log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
+ fio_server_op(cmd->cmd.opcode));
+ flist_del(&cmd->list);
+ free(cmd);
+ ret = 1;
+ }
+
+ return flist_empty(&client->cmd_list) && ret;
+}
+
+static int fio_client_timed_out(void)
+{
+ struct fio_client *client;
+ struct flist_head *entry, *tmp;
+ struct timeval tv;
+ int ret = 0;
+
+ gettimeofday(&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;
+
+ log_err("fio: client %s timed out\n", client->hostname);
+ remove_client(client);
+ ret = 1;
+ }
+
+ return ret;
+}
+
int fio_handle_clients(void)
{
struct fio_client *client;
struct pollfd *pfds;
int i, ret = 0;
+ gettimeofday(&eta_tv, NULL);
+
pfds = malloc(nr_clients * sizeof(struct pollfd));
+ sum_stat_clients = nr_clients;
+ init_thread_stat(&client_ts);
+ init_group_run_stat(&client_gs);
+
while (!exit_backend && nr_clients) {
i = 0;
flist_for_each(entry, &client_list) {
assert(i == nr_clients);
do {
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ if (mtime_since(&eta_tv, &tv) >= 900) {
+ request_client_etas();
+ memcpy(&eta_tv, &tv, sizeof(tv));
+
+ if (fio_client_timed_out())
+ break;
+ }
+
ret = poll(pfds, nr_clients, 100);
if (ret < 0) {
if (errno == EINTR)
client = find_client_by_fd(pfds[i].fd);
if (!client) {
- log_err("fio: unknown client\n");
+ log_err("fio: unknown client fd %d\n", pfds[i].fd);
continue;
}
if (!handle_client(client)) {
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