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Diffstat (limited to 'xlators/features/changelog/src/changelog.c')
-rw-r--r--xlators/features/changelog/src/changelog.c149
1 files changed, 109 insertions, 40 deletions
diff --git a/xlators/features/changelog/src/changelog.c b/xlators/features/changelog/src/changelog.c
index 0a03cfa..75d5ae2 100644
--- a/xlators/features/changelog/src/changelog.c
+++ b/xlators/features/changelog/src/changelog.c
@@ -34,6 +34,12 @@ static struct changelog_bootstrap cb_bootstrap[] = {
},
};
+static int
+changelog_init_rpc(xlator_t *this, changelog_priv_t *priv);
+
+static int
+changelog_init(xlator_t *this, changelog_priv_t *priv);
+
/* Entry operations - TYPE III */
/**
@@ -1997,6 +2003,11 @@ notify(xlator_t *this, int event, void *data, ...)
uint64_t clntcnt = 0;
changelog_clnt_t *conn = NULL;
gf_boolean_t cleanup_notify = _gf_false;
+ char sockfile[UNIX_PATH_MAX] = {
+ 0,
+ };
+ rpcsvc_listener_t *listener = NULL;
+ rpcsvc_listener_t *next = NULL;
INIT_LIST_HEAD(&queue);
@@ -2010,23 +2021,40 @@ notify(xlator_t *this, int event, void *data, ...)
"cleanup changelog rpc connection of brick %s",
priv->victim->name);
- this->cleanup_starting = 1;
- changelog_destroy_rpc_listner(this, priv);
- conn = &priv->connections;
- if (conn)
- changelog_ev_cleanup_connections(this, conn);
- xprtcnt = GF_ATOMIC_GET(priv->xprtcnt);
- clntcnt = GF_ATOMIC_GET(priv->clntcnt);
-
- if (!xprtcnt && !clntcnt) {
- LOCK(&priv->lock);
- {
- cleanup_notify = priv->notify_down;
- priv->notify_down = _gf_true;
+ if (priv->rpc_active) {
+ this->cleanup_starting = 1;
+ changelog_destroy_rpc_listner(this, priv);
+ conn = &priv->connections;
+ if (conn)
+ changelog_ev_cleanup_connections(this, conn);
+ xprtcnt = GF_ATOMIC_GET(priv->xprtcnt);
+ clntcnt = GF_ATOMIC_GET(priv->clntcnt);
+ if (!xprtcnt && !clntcnt) {
+ LOCK(&priv->lock);
+ {
+ cleanup_notify = priv->notify_down;
+ priv->notify_down = _gf_true;
+ }
+ UNLOCK(&priv->lock);
+ list_for_each_entry_safe(listener, next, &priv->rpc->listeners,
+ list)
+ {
+ if (listener->trans) {
+ rpc_transport_unref(listener->trans);
+ }
+ }
+ CHANGELOG_MAKE_SOCKET_PATH(priv->changelog_brick, sockfile,
+ UNIX_PATH_MAX);
+ sys_unlink(sockfile);
+ if (priv->rpc) {
+ rpcsvc_destroy(priv->rpc);
+ priv->rpc = NULL;
+ }
+ if (!cleanup_notify)
+ default_notify(this, GF_EVENT_PARENT_DOWN, data);
}
- UNLOCK(&priv->lock);
- if (!cleanup_notify)
- default_notify(this, GF_EVENT_PARENT_DOWN, data);
+ } else {
+ default_notify(this, GF_EVENT_PARENT_DOWN, data);
}
goto out;
}
@@ -2405,6 +2433,22 @@ changelog_barrier_pthread_destroy(changelog_priv_t *priv)
LOCK_DESTROY(&priv->bflags.lock);
}
+static void
+changelog_cleanup_rpc(xlator_t *this, changelog_priv_t *priv)
+{
+ /* terminate rpc server */
+ if (!this->cleanup_starting)
+ changelog_destroy_rpc_listner(this, priv);
+
+ (void)changelog_cleanup_rpc_threads(this, priv);
+ /* cleanup rot buffs */
+ rbuf_dtor(priv->rbuf);
+
+ /* cleanup poller thread */
+ if (priv->poller)
+ (void)changelog_thread_cleanup(this, priv->poller);
+}
+
int
reconfigure(xlator_t *this, dict_t *options)
{
@@ -2413,6 +2457,9 @@ reconfigure(xlator_t *this, dict_t *options)
changelog_priv_t *priv = NULL;
gf_boolean_t active_earlier = _gf_true;
gf_boolean_t active_now = _gf_true;
+ gf_boolean_t rpc_active_earlier = _gf_true;
+ gf_boolean_t rpc_active_now = _gf_true;
+ gf_boolean_t iniate_rpc = _gf_false;
changelog_time_slice_t *slice = NULL;
changelog_log_data_t cld = {
0,
@@ -2434,6 +2481,7 @@ reconfigure(xlator_t *this, dict_t *options)
ret = -1;
active_earlier = priv->active;
+ rpc_active_earlier = priv->rpc_active;
/* first stop the rollover and the fsync thread */
changelog_cleanup_helper_threads(this, priv);
@@ -2467,6 +2515,29 @@ reconfigure(xlator_t *this, dict_t *options)
goto out;
GF_OPTION_RECONF("changelog", active_now, options, bool, out);
+ GF_OPTION_RECONF("changelog-notification", rpc_active_now, options, bool,
+ out);
+
+ /* If journalling is enabled, enable rpc notifications */
+ if (active_now && !active_earlier) {
+ if (!rpc_active_earlier)
+ iniate_rpc = _gf_true;
+ }
+
+ if (rpc_active_now && !rpc_active_earlier) {
+ iniate_rpc = _gf_true;
+ }
+
+ /* TODO: Disable of changelog-notifications is not supported for now
+ * as there is no clean way of cleaning up of rpc resources
+ */
+
+ if (iniate_rpc) {
+ ret = changelog_init_rpc(this, priv);
+ if (ret)
+ goto out;
+ priv->rpc_active = _gf_true;
+ }
/**
* changelog_handle_change() handles changes that could possibly
@@ -2597,6 +2668,7 @@ changelog_init_options(xlator_t *this, changelog_priv_t *priv)
goto dealloc_2;
GF_OPTION_INIT("changelog", priv->active, bool, dealloc_2);
+ GF_OPTION_INIT("changelog-notification", priv->rpc_active, bool, dealloc_2);
GF_OPTION_INIT("capture-del-path", priv->capture_del_path, bool, dealloc_2);
GF_OPTION_INIT("op-mode", tmp, str, dealloc_2);
@@ -2635,22 +2707,6 @@ error_return:
return -1;
}
-static void
-changelog_cleanup_rpc(xlator_t *this, changelog_priv_t *priv)
-{
- /* terminate rpc server */
- if (!this->cleanup_starting)
- changelog_destroy_rpc_listner(this, priv);
-
- (void)changelog_cleanup_rpc_threads(this, priv);
- /* cleanup rot buffs */
- rbuf_dtor(priv->rbuf);
-
- /* cleanup poller thread */
- if (priv->poller)
- (void)changelog_thread_cleanup(this, priv->poller);
-}
-
static int
changelog_init_rpc(xlator_t *this, changelog_priv_t *priv)
{
@@ -2747,10 +2803,13 @@ init(xlator_t *this)
INIT_LIST_HEAD(&priv->queue);
priv->barrier_enabled = _gf_false;
- /* RPC ball rolling.. */
- ret = changelog_init_rpc(this, priv);
- if (ret)
- goto cleanup_barrier;
+ if (priv->rpc_active || priv->active) {
+ /* RPC ball rolling.. */
+ ret = changelog_init_rpc(this, priv);
+ if (ret)
+ goto cleanup_barrier;
+ priv->rpc_active = _gf_true;
+ }
ret = changelog_init(this, priv);
if (ret)
@@ -2762,7 +2821,9 @@ init(xlator_t *this)
return 0;
cleanup_rpc:
- changelog_cleanup_rpc(this, priv);
+ if (priv->rpc_active) {
+ changelog_cleanup_rpc(this, priv);
+ }
cleanup_barrier:
changelog_barrier_pthread_destroy(priv);
cleanup_options:
@@ -2788,9 +2849,10 @@ fini(xlator_t *this)
priv = this->private;
if (priv) {
- /* terminate RPC server/threads */
- changelog_cleanup_rpc(this, priv);
-
+ if (priv->active || priv->rpc_active) {
+ /* terminate RPC server/threads */
+ changelog_cleanup_rpc(this, priv);
+ }
/* call barrier_disable to cancel timer */
if (priv->barrier_enabled)
__chlog_barrier_disable(this, &queue);
@@ -2859,6 +2921,13 @@ struct volume_options options[] = {
.flags = OPT_FLAG_SETTABLE,
.level = OPT_STATUS_BASIC,
.tags = {"journal", "georep", "glusterfind"}},
+ {.key = {"changelog-notification"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "enable/disable changelog live notification",
+ .op_version = {3},
+ .level = OPT_STATUS_BASIC,
+ .tags = {"bitrot", "georep"}},
{.key = {"changelog-brick"},
.type = GF_OPTION_TYPE_PATH,
.description = "brick path to generate unique socket file name."