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-rw-r--r--xlators/storage/posix/src/posix.c141
-rw-r--r--xlators/storage/posix/src/posix.h11
2 files changed, 147 insertions, 5 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index 1ff9a06f9fe..c9342ac4d69 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -4703,6 +4703,119 @@ posix_inode (xlator_t *this)
return 0;
}
+void
+posix_fsping_timer_expired (void *data)
+{
+ xlator_t *this = NULL;
+ struct posix_private *priv = NULL;
+
+ this = data;
+ priv = this->private;
+
+ pthread_mutex_lock (&priv->mutex);
+ {
+ if (priv->fsping_timer) {
+ gf_timer_call_cancel (this->ctx,
+ priv->fsping_timer);
+ priv->fsping_timer = NULL;
+ }
+
+ if (priv->fs_state) {
+ priv->fs_state = 0;
+ default_notify (this, GF_EVENT_CHILD_DOWN, NULL);
+ }
+ }
+ pthread_mutex_unlock (&priv->mutex);
+}
+
+void
+posix_fsping (void *arg);
+
+void *
+posix_fsping_statvfs (void *arg)
+{
+ int ret = -1;
+ xlator_t *this = NULL;
+ char *root_path = NULL;
+ struct statvfs buf = {0, };
+ struct posix_private *priv = NULL;
+ struct timeval delta = {0, };
+
+ this = arg;
+ priv = this->private;
+ root_path = POSIX_BASE_PATH (this);
+
+ ret = statvfs (root_path, &buf);
+
+ pthread_mutex_lock (&priv->mutex);
+ {
+ if (priv->fsping_timer) {
+ gf_timer_call_cancel (this->ctx,
+ priv->fsping_timer);
+ priv->fsping_timer = NULL;
+ }
+ if (ret == 0) {
+ if (priv->fs_state == 0) {
+ priv->fs_state = 1;
+ default_notify (this, GF_EVENT_CHILD_UP,
+ NULL);
+ }
+ } else {
+ if (priv->fs_state) {
+ priv->fs_state = 0;
+ default_notify (this, GF_EVENT_CHILD_DOWN,
+ NULL);
+ }
+ }
+ }
+ pthread_mutex_unlock (&priv->mutex);
+
+ delta.tv_sec = POSIX_FSPING_SLEEP_TIME;
+ priv->fsping_timer =
+ gf_timer_call_after (this->ctx,
+ delta,
+ posix_fsping,
+ (void *) this);
+ if (priv->fsping_timer == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "unable to register timer");
+ }
+ return NULL;
+}
+
+void
+posix_fsping (void *arg)
+{
+ xlator_t *this = NULL;
+ struct posix_private *priv = NULL;
+ struct timeval delta = {0, };
+
+ this = arg;
+ priv = this->private;
+
+ delta.tv_sec = priv->fsping_timeout;
+ delta.tv_usec = 0;
+
+ if (priv->fsping_timer) {
+ gf_timer_call_cancel (this->ctx,
+ priv->fsping_timer);
+ }
+ priv->fsping_timer =
+ gf_timer_call_after (this->ctx,
+ delta,
+ posix_fsping_timer_expired,
+ (void *) this);
+
+ if (priv->fsping_timer == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "unable to register timer");
+ /*FIXME: handle error*/
+ }
+ pthread_create (&priv->fsping,
+ NULL,
+ posix_fsping_statvfs,
+ this);
+}
int32_t
posix_rchecksum (call_frame_t *frame, xlator_t *this,
@@ -4780,12 +4893,15 @@ notify (xlator_t *this,
void *data,
...)
{
+ struct posix_private *priv = NULL;
+
+ priv = this->private;
+
switch (event)
{
case GF_EVENT_PARENT_UP:
{
- /* Tell the parent that posix xlator is up */
- default_notify (this, GF_EVENT_CHILD_UP, data);
+ posix_fsping ((void *)this);
}
break;
default:
@@ -4809,9 +4925,9 @@ init (xlator_t *this)
data_t * dir_data = NULL;
data_t * tmp_data = NULL;
uint64_t time64 = 0;
-
- int dict_ret = 0;
- int32_t janitor_sleep;
+ int dict_ret = -1;
+ int fsping_timeout = -1;
+ int32_t janitor_sleep;
dir_data = dict_get (this->options, "directory");
@@ -4908,6 +5024,7 @@ init (xlator_t *this)
strcat (_private->trash_path, "/" GF_REPLICATE_TRASH_DIR);
LOCK_INIT (&_private->lock);
+ pthread_mutex_init (&_private->mutex, NULL);
ret = gethostname (_private->hostname, 256);
if (ret < 0) {
@@ -4923,6 +5040,17 @@ init (xlator_t *this)
_private->max_write = 1;
}
+ _private->fsping_timeout = POSIX_FSPING_TIMEOUT;
+ dict_ret = dict_get_int32 (this->options,
+ "fsping-timeout",
+ &fsping_timeout);
+
+ if (dict_ret == 0) {
+ _private->fsping_timeout = fsping_timeout;
+ }
+ gf_log (this->name, GF_LOG_DEBUG,
+ "fsping-timeout set to %d", _private->fsping_timeout);
+
_private->export_statfs = 1;
tmp_data = dict_get (this->options, "export-statfs-size");
if (tmp_data) {
@@ -5056,6 +5184,7 @@ fini (xlator_t *this)
{
struct posix_private *priv = this->private;
sys_lremovexattr (priv->base_path, "trusted.glusterfs.test");
+ pthread_mutex_destroy (&priv->mutex);
FREE (priv);
return;
}
@@ -5132,6 +5261,8 @@ struct volume_options options[] = {
.type = GF_OPTION_TYPE_BOOL },
{ .key = {"span-devices"},
.type = GF_OPTION_TYPE_INT },
+ { .key = {"fsping-timeout"},
+ .type = GF_OPTION_TYPE_INT },
{ .key = {"background-unlink"},
.type = GF_OPTION_TYPE_BOOL },
{ .key = {"janitor-sleep-duration"},
diff --git a/xlators/storage/posix/src/posix.h b/xlators/storage/posix/src/posix.h
index f92e256fbc0..92fe8e2515c 100644
--- a/xlators/storage/posix/src/posix.h
+++ b/xlators/storage/posix/src/posix.h
@@ -29,6 +29,7 @@
#include <unistd.h>
#include <sys/types.h>
#include <dirent.h>
+#include <pthread.h>
#include <time.h>
#ifdef linux
@@ -50,6 +51,7 @@
#include "xlator.h"
#include "inode.h"
#include "compat.h"
+#include "timer.h"
/**
* posix_fd - internal structure common to file and directory fd's
@@ -70,6 +72,7 @@ struct posix_private {
int32_t base_path_length;
gf_lock_t lock;
+ pthread_mutex_t mutex;
char hostname[256];
/* Statistics, provides activity of the server */
@@ -117,6 +120,11 @@ struct posix_private {
int num_devices_to_span;
dev_t *st_device;
+ pthread_t fsping;
+ gf_timer_t *fsping_timer;
+ int fsping_timeout;
+ int fs_state;
+
/* a global generation number sequence is used to assign generation numbers in
sequence.
*/
@@ -129,6 +137,9 @@ struct posix_private {
char * trash_path;
};
+#define POSIX_FSPING_SLEEP_TIME 10
+#define POSIX_FSPING_TIMEOUT 10
+
#define POSIX_BASE_PATH(this) (((struct posix_private *)this->private)->base_path)
#define POSIX_BASE_PATH_LEN(this) (((struct posix_private *)this->private)->base_path_length)
generated by cgit (git 2.34.1) at 2024-05-22 02:01:07 +0000