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authorAvra Sengupta <asengupt@redhat.com>2013-02-18 16:41:46 +0530
committerAnand Avati <avati@redhat.com>2013-02-19 18:58:30 -0800
commitbcb423555ac7f0379344de41b50c012c1fde891d (patch)
treed5b8b076c699443296e8dc2d355abf4fcd6f839b /xlators/mgmt/glusterd/src/glusterd-volume-set.c
parentd0f8b8fb947048fb1017dd1d9fd1ea144fcb6dc0 (diff)
glusterd: Added validation function for performance cache max and min size.
Change-Id: I0b8dbc4b65412b8aff24873f030c03e3dcfcb988 BUG: 782095 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/4541 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volume-set.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-set.c153
1 files changed, 151 insertions, 2 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 5e7f013efff..e66c1f9bbea 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -14,6 +14,153 @@
#endif
#include "glusterd-volgen.h"
+#include "glusterd-utils.h"
+
+static int
+check_dict_key_value (dict_t *dict, char *key, char *value)
+{
+ char errstr[2048] = "";
+ glusterd_conf_t *priv = NULL;
+ int ret = 0;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ if (!dict) {
+ snprintf (errstr, 2048, "Received Empty Dict.");
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s.", errstr);
+ ret = -1;
+ goto out;
+ }
+
+ if (!key) {
+ snprintf (errstr, 2048, "Received Empty Key.");
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s.", errstr);
+ ret = -1;
+ goto out;
+ }
+
+ if (!value) {
+ snprintf (errstr, 2048, "Received Empty Value.");
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s.", errstr);
+ ret = -1;
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
+}
+
+static int
+get_volname_volinfo (dict_t *dict, char **volname, glusterd_volinfo_t **volinfo)
+{
+ char errstr[2048] = "";
+ glusterd_conf_t *priv = NULL;
+ int ret = 0;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ ret = dict_get_str (dict, "volname", volname);
+ if (ret) {
+ snprintf (errstr, 2048, "Unable to get volume name");
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s.", errstr);
+ goto out;
+ }
+
+ ret = glusterd_volinfo_find (*volname, volinfo);
+ if (ret) {
+ snprintf (errstr, 2048, "Unable to allocate memory");
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s.", errstr);
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
+}
+
+int
+validate_cache_max_min_size (dict_t *dict, char *key, char *value,
+ char **op_errstr)
+{
+ char *current_max_value = NULL;
+ char *current_min_value = NULL;
+ char errstr[2048] = "";
+ char *volname = NULL;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ int ret = 0;
+ uint64_t max_value = 0;
+ uint64_t min_value = 0;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ ret = check_dict_key_value (dict, key, value);
+ if (ret)
+ goto out;
+
+ ret = get_volname_volinfo (dict, &volname, &volinfo);
+ if (ret)
+ goto out;
+
+ if ((!strcmp (key, "performance.cache-min-file-size")) ||
+ (!strcmp (key, "cache-min-file-size"))) {
+ glusterd_volinfo_get (volinfo,
+ "performance.cache-max-file-size",
+ &current_max_value);
+ if (current_max_value) {
+ gf_string2bytesize (current_max_value, &max_value);
+ gf_string2bytesize (value, &min_value);
+ current_min_value = value;
+ }
+ } else if ((!strcmp (key, "performance.cache-max-file-size")) ||
+ (!strcmp (key, "cache-max-file-size"))) {
+ glusterd_volinfo_get (volinfo,
+ "performance.cache-min-file-size",
+ &current_min_value);
+ if (current_min_value) {
+ gf_string2bytesize (current_min_value, &min_value);
+ gf_string2bytesize (value, &max_value);
+ current_max_value = value;
+ }
+ }
+
+ if (min_value > max_value) {
+ snprintf (errstr, sizeof (errstr),
+ "cache-min-file-size (%s) is greater than "
+ "cache-max-file-size (%s)",
+ current_min_value, current_max_value);
+ gf_log (this->name, GF_LOG_ERROR, "%s", errstr);
+ *op_errstr = gf_strdup (errstr);
+ ret = -1;
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
+}
+
/* dispatch table for VOLUME SET
* -----------------------------
@@ -275,12 +422,14 @@ struct volopt_map_entry glusterd_volopt_map[] = {
{ .key = "performance.cache-max-file-size",
.voltype = "performance/io-cache",
.option = "max-file-size",
- .op_version = 1
+ .op_version = 1,
+ .validate_fn = validate_cache_max_min_size
},
{ .key = "performance.cache-min-file-size",
.voltype = "performance/io-cache",
.option = "min-file-size",
- .op_version = 1
+ .op_version = 1,
+ .validate_fn = validate_cache_max_min_size
},
{ .key = "performance.cache-refresh-timeout",
.voltype = "performance/io-cache",