#include "flist.h"
#include "hash.h"
-static void fio_client_text_op(struct fio_client *client,
- FILE *f, __u16 pdu_len, const char *buf)
-{
- const char *name;
- int fio_unused ret;
-
- name = client->name ? client->name : client->hostname;
-
- if (!client->skip_newline)
- fprintf(f, "<%s> ", name);
- ret = fwrite(buf, pdu_len, 1, f);
- fflush(f);
- client->skip_newline = strchr(buf, '\n') == NULL;
-}
-
static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
-static void handle_ts(struct fio_net_cmd *cmd);
-static void handle_gs(struct fio_net_cmd *cmd);
-static void handle_eta(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);
struct client_ops fio_client_ops = {
- .text_op = fio_client_text_op,
+ .text_op = handle_text,
.disk_util = handle_du,
.thread_status = handle_ts,
.group_stats = handle_gs,
- .eta = handle_eta,
+ .stop = handle_stop,
+ .eta = display_thread_status,
.probe = handle_probe,
};
static struct timeval eta_tv;
-enum {
- Client_created = 0,
- Client_connected = 1,
- Client_started = 2,
- Client_running = 3,
- Client_stopped = 4,
- Client_exited = 5,
-};
-
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;
+struct thread_stat client_ts;
+struct group_run_stats client_gs;
+int sum_stat_clients;
+
static int sum_stat_nr;
#define FIO_CLIENT_HASH_BITS 7
flist_for_each(entry, &client_hash[bucket]) {
client = flist_entry(entry, struct fio_client, hash_list);
- if (client->fd == fd)
+ if (client->fd == fd) {
+ client->refs++;
return client;
+ }
}
return NULL;
static void remove_client(struct fio_client *client)
{
+ assert(client->refs);
+
+ if (--client->refs)
+ return;
+
dprint(FD_NET, "client: removed <%s>\n", client->hostname);
flist_del(&client->list);
if (!flist_empty(&client->eta_list)) {
flist_del_init(&client->eta_list);
- fio_client_dec_jobs_eta(client->eta_in_flight, display_thread_status);
+ fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
}
free(client->hostname);
sum_stat_clients--;
}
+static void put_client(struct fio_client *client)
+{
+ remove_client(client);
+}
+
static void __fio_client_add_cmd_option(struct fio_client *client,
const char *opt)
{
}
}
-struct fio_client *fio_client_add_explicit(const char *hostname, int type,
+struct fio_client *fio_client_add_explicit(struct client_ops *ops,
+ const char *hostname, int type,
int port)
{
struct fio_client *client;
}
client->fd = -1;
+ client->ops = ops;
+ client->refs = 1;
__fio_client_add_cmd_option(client, "fio");
return NULL;
}
-int fio_client_add(const char *hostname, void **cookie)
+int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
{
struct fio_client *existing = *cookie;
struct fio_client *client;
return -1;
client->fd = -1;
+ client->ops = ops;
+ client->refs = 1;
__fio_client_add_cmd_option(client, "fio");
return fd;
}
-static int fio_client_connect(struct fio_client *client)
+int fio_client_connect(struct fio_client *client)
{
int fd;
return 0;
}
+void fio_client_terminate(struct fio_client *client)
+{
+ fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
+}
+
void fio_clients_terminate(void)
{
struct flist_head *entry;
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, NULL);
+ fio_client_terminate(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");
+
+ 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.
dst->groupid = le32_to_cpu(src->groupid);
}
-static void handle_ts(struct fio_net_cmd *cmd)
+static void handle_ts(struct fio_client *client, 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);
if (sum_stat_clients == 1)
}
}
-static void handle_gs(struct fio_net_cmd *cmd)
+static void handle_gs(struct fio_client *client, 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_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;
{
struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
- convert_dus(&du->dus);
- convert_agg(&du->agg);
-
if (!client->disk_stats_shown) {
client->disk_stats_shown = 1;
log_info("\nDisk stats (read/write):\n");
print_disk_util(&du->dus, &du->agg, terse_output);
}
-void fio_client_convert_jobs_eta(struct jobs_eta *je)
+static void convert_jobs_eta(struct jobs_eta *je)
{
int 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);
}
void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
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, void (*fn)(struct jobs_eta *))
+void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
{
if (!--eta->pending) {
- fn(&eta->eta);
+ eta_fn(&eta->eta);
free(eta);
}
}
client->eta_in_flight = NULL;
flist_del_init(&client->eta_list);
- fio_client_convert_jobs_eta(je);
+ 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, display_thread_status);
+ fio_client_dec_jobs_eta(eta, client->ops->eta);
}
static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
}
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;
- client->state = Client_stopped;
- client->error = le32_to_cpu(pdu->error);
+ pdu->error = le32_to_cpu(pdu->error);
+}
- if (client->error)
- log_info("client <%s>: exited with error %d\n", client->hostname, client->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);
}
-int fio_handle_client(struct fio_client *client, struct client_ops *ops)
+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);
if (!cmd)
return 0;
- dprint(FD_NET, "client: got cmd op %s from %s\n",
- fio_server_op(cmd->opcode), client->hostname);
+ 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:
remove_client(client);
free(cmd);
break;
- case FIO_NET_CMD_TEXT: {
- const char *buf = (const char *) cmd->payload;
- ops->text_op(client, f_out, cmd->pdu_len, buf);
+ case FIO_NET_CMD_TEXT:
+ convert_text(cmd);
+ ops->text_op(client, cmd);
free(cmd);
break;
- }
- case FIO_NET_CMD_DU:
+ 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:
- ops->thread_status(cmd);
+ }
+ 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:
- ops->group_stats(cmd);
+ }
+ 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:
+ }
+ case FIO_NET_CMD_ETA: {
+ struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
+
remove_reply_cmd(client, cmd);
- ops->eta(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_RUN:
+ case FIO_NET_CMD_SERVER_START:
client->state = Client_running;
free(cmd);
break;
handle_start(client, cmd);
free(cmd);
break;
- case FIO_NET_CMD_STOP:
- handle_stop(client, cmd);
+ 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 = pdu->error;
+ ops->stop(client, cmd);
free(cmd);
break;
+ }
case FIO_NET_CMD_ADD_JOB:
if (ops->add_job)
ops->add_job(client, cmd);
return 1;
}
-static void request_client_etas(void)
+static void request_client_etas(struct client_ops *ops)
{
struct fio_client *client;
struct flist_head *entry;
}
while (skipped--)
- fio_client_dec_jobs_eta(eta, display_thread_status);
+ fio_client_dec_jobs_eta(eta, ops->eta);
dprint(FD_NET, "client: requested eta tag %p\n", eta);
}
return flist_empty(&client->cmd_list) && ret;
}
-static int fio_client_timed_out(void)
+static int fio_check_clients_timed_out(void)
{
struct fio_client *client;
struct flist_head *entry, *tmp;
if (!client_check_cmd_timeout(client, &tv))
continue;
- log_err("fio: client %s timed out\n", client->hostname);
+ 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;
}
flist_for_each_safe(entry, tmp, &client_list) {
client = flist_entry(entry, struct fio_client, list);
- if (!client->sent_job && !ops->stay_connected &&
+ if (!client->sent_job && !client->ops->stay_connected &&
flist_empty(&client->cmd_list)) {
remove_client(client);
continue;
gettimeofday(&tv, NULL);
if (mtime_since(&eta_tv, &tv) >= 900) {
- request_client_etas();
+ request_client_etas(ops);
memcpy(&eta_tv, &tv, sizeof(tv));
- if (fio_client_timed_out())
+ if (fio_check_clients_timed_out())
break;
}
log_err("fio: unknown client fd %d\n", pfds[i].fd);
continue;
}
- if (!fio_handle_client(client, ops)) {
+ 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;
+ put_client(client);
}
}