#include <arpa/inet.h>
#include <netdb.h>
#include <signal.h>
+#include <zlib.h>
#include "fio.h"
#include "client.h"
#include "hash.h"
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);
+static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
struct client_ops fio_client_ops = {
- .text_op = handle_text,
+ .text = handle_text,
.disk_util = handle_du,
.thread_status = handle_ts,
.group_stats = handle_gs,
- .eta = handle_eta,
+ .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;
-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;
}
+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);
+
+ free(client);
+}
+
static void remove_client(struct fio_client *client)
{
+ assert(client->refs);
+
dprint(FD_NET, "client: removed <%s>\n", client->hostname);
- flist_del(&client->list);
+
+ 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, display_thread_status);
+ fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
}
- free(client->hostname);
- if (client->argv)
- free(client->argv);
- if (client->name)
- free(client->name);
-
- free(client);
nr_clients--;
sum_stat_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,
}
}
-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;
+ client->type = ops->client_type;
__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;
+ client->type = ops->client_type;
__fio_client_add_cmd_option(client, "fio");
return 0;
}
+static void probe_client(struct fio_client *client)
+{
+ dprint(FD_NET, "client: send probe\n");
+
+ fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
+}
+
static int fio_client_connect_ip(struct fio_client *client)
{
struct sockaddr *addr;
fd = socket(domain, SOCK_STREAM, 0);
if (fd < 0) {
+ int ret = -errno;
+
log_err("fio: socket: %s\n", strerror(errno));
- return -1;
+ 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 -1;
+ return ret;
}
return fd;
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0) {
+ int ret = -errno;
+
log_err("fio: socket: %s\n", strerror(errno));
- return -1;
+ 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 -1;
+ return ret;
}
return fd;
}
-static int fio_client_connect(struct fio_client *client)
+int fio_client_connect(struct fio_client *client)
{
int fd;
dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
if (fd < 0)
- return 1;
+ return fd;
client->fd = fd;
fio_client_add_hash(client);
client->state = Client_connected;
+
+ probe_client(client);
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);
}
}
sigaction(SIGTERM, &act, NULL);
}
-static void probe_client(struct fio_client *client)
-{
- dprint(FD_NET, "client: send probe\n");
-
- 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_single_line_pdu *cslp;
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, 0);
free(pdu);
return ret;
continue;
}
- probe_client(client);
-
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");
+
+ 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)
+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, *buf;
+ char *p;
+ void *buf;
off_t len;
int fd, ret;
fd = open(filename, O_RDONLY);
if (fd < 0) {
+ int ret = -errno;
+
log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
- return 1;
+ return ret;
}
if (fstat(fd, &sb) < 0) {
+ int ret = -errno;
+
log_err("fio: job file stat: %s\n", strerror(errno));
close(fd);
- return 1;
+ return ret;
}
- buf = malloc(sb.st_size);
+ p_size = sb.st_size + sizeof(*pdu);
+ pdu = malloc(p_size);
+ buf = pdu->buf;
len = sb.st_size;
p = buf;
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, buf, sb.st_size, 0);
- free(buf);
+ ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, 0);
+ 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;
if (fio_client_send_ini(client, filename))
remove_client(client);
-
- client->sent_job = 1;
}
return !nr_clients;
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;
dus->msec = le64_to_cpu(dus->msec);
}
-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 handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
{
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)
struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
client->state = Client_started;
- client->jobs = le32_to_cpu(pdu->jobs);
+ client->jobs = pdu->jobs;
}
static void handle_stop(struct fio_client *client, 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);
-
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->log_usec = le64_to_cpu(pdu->log_usec);
}
-int fio_handle_client(struct fio_client *client, struct client_ops *ops)
+/*
+ * 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;
+ uint32_t nr_samples;
+ unsigned long total;
+ z_stream stream;
+ void *p;
+ int i;
+
+ 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;
+ ret->log_type = le32_to_cpu(pdu->log_type);
+ strcpy((char *) ret->name, (char *) pdu->name);
+
+ 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 out;
+ }
+
+ this_len = this_chunk - stream.avail_out;
+ p += this_len;
+ total -= this_len;
+ }
+
+ 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);
+ }
+
+out:
+ inflateEnd(&stream);
+ 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);
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:
if (ops->quit)
- ops->quit(client);
+ ops->quit(client, cmd);
remove_client(client);
free(cmd);
break;
case FIO_NET_CMD_TEXT:
convert_text(cmd);
- ops->text_op(client, cmd);
+ ops->text(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;
+ if (ops->job_start)
+ ops->job_start(client, cmd);
free(cmd);
break;
- case FIO_NET_CMD_START:
- handle_start(client, cmd);
+ 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:
- 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);
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;
default:
log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
free(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(struct client_ops *ops)
+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;
- if (ops->timed_out)
- ops->timed_out(client);
+ if (client->ops->timed_out)
+ client->ops->timed_out(client);
else
log_err("fio: client %s timed out\n", client->hostname);
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;
struct timeval tv;
gettimeofday(&tv, NULL);
- if (mtime_since(&eta_tv, &tv) >= 900) {
- request_client_etas();
+ if (mtime_since(&eta_tv, &tv) >= ops->eta_msec) {
+ request_client_etas(ops);
memcpy(&eta_tv, &tv, sizeof(tv));
- if (fio_client_timed_out(ops))
+ 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;
+ fio_put_client(client);
}
}