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-rw-r--r--xlators/cluster/afr/src/afr.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c
index 813fbb249..b026db594 100644
--- a/xlators/cluster/afr/src/afr.c
+++ b/xlators/cluster/afr/src/afr.c
@@ -59,7 +59,242 @@ mem_acct_init (xlator_t *this)
return ret;
}
+int
+validate_options (xlator_t *this, dict_t *options, char **op_errstr)
+{
+
+
+ gf_boolean_t metadata_self_heal;
+ gf_boolean_t entry_self_heal;
+ gf_boolean_t data_self_heal;
+ gf_boolean_t data_change_log;
+ gf_boolean_t metadata_change_log;
+ gf_boolean_t entry_change_log;
+ gf_boolean_t strict_readdir;
+
+ xlator_list_t * trav = NULL;
+
+ char * read_subvol = NULL;
+ char * self_heal = NULL;
+ char * change_log = NULL;
+ char * str_readdir = NULL;
+ int32_t background_count = 0;
+ int32_t window_size = 0;
+
+ int read_ret = -1;
+ int dict_ret = -1;
+ int flag = 1;
+ int ret = 0;
+ int temp_ret = -1;
+
+
+
+ dict_ret = dict_get_int32 (options, "background-self-heal-count",
+ &background_count);
+ if (dict_ret == 0) {
+ if (background_count < 0) {
+ *op_errstr = gf_strdup ("Error, option should be >= 0");
+ ret = -1;
+ goto out;
+ }
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "validated background self-heal count to %d",
+ background_count);
+ }
+
+ dict_ret = dict_get_str (options, "metadata-self-heal",
+ &self_heal);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (self_heal, &metadata_self_heal);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "validation failed 'option metadata"
+ "-self-heal %s'.not correct.",
+ self_heal);
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+
+ }
+
+ dict_ret = dict_get_str (options, "data-self-heal",
+ &self_heal);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (self_heal, &data_self_heal);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation failed for data self heal",
+ self_heal);
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Reconfiguring 'option data"
+ "-self-heal %s'.", self_heal);
+ }
+
+ dict_ret = dict_get_str (options, "entry-self-heal",
+ &self_heal);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (self_heal, &entry_self_heal);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation faled for entry-self-heal",
+ self_heal);
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated 'option entry"
+ "-self-heal %s'.", self_heal);
+ }
+
+
+ dict_ret = dict_get_str (options, "strict-readdir",
+ &str_readdir);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (str_readdir, &strict_readdir);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation faled for strict_readdir",
+ str_readdir);
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated 'option strict"
+ "-readdir %s'.", str_readdir);
+ }
+
+ dict_ret = dict_get_int32 (options, "data-self-heal-window-size",
+ &window_size);
+ if (dict_ret == 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "validated data self-heal window size to %d",
+ window_size);
+
+ if (window_size < 0) {
+ *op_errstr = gf_strdup ("Error, option should be >= 0");
+ ret = -1;
+ goto out;
+ }
+
+ if (window_size > 1024) {
+ *op_errstr = gf_strdup ("Error, option should be <= 1024");
+ ret = -1;
+ goto out;
+ }
+
+
+ }
+
+ dict_ret = dict_get_str (options, "data-change-log",
+ &change_log);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (change_log, &data_change_log);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation faled for data-change-log");
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated 'option data-"
+ "change-log %s'.", change_log);
+ }
+
+ dict_ret = dict_get_str (options, "metadata-change-log",
+ &change_log);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (change_log,
+ &metadata_change_log);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation faild for metadata-change-log");
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated 'option metadata-"
+ "change-log %s'.", change_log);
+ }
+
+ dict_ret = dict_get_str (options, "entry-change-log",
+ &change_log);
+ if (dict_ret == 0) {
+ temp_ret = gf_string2boolean (change_log, &entry_change_log);
+ if (temp_ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validation faild for entr-change-log");
+ *op_errstr = gf_strdup ("Error, option should be boolean");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated 'option entry-"
+ "change-log %s'.", change_log);
+ }
+
+ read_ret = dict_get_str (options, "read-subvolume", &read_subvol);
+
+ if (read_ret)
+ goto next;// No need to traverse, hence set the next option
+
+ trav = this->children;
+ flag = 0;
+ while (trav) {
+ if (!read_ret && !strcmp (read_subvol, trav->xlator->name)) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated Subvolume '%s' as read child.",
+ trav->xlator->name);
+
+ flag = 1;
+ ret = 0;
+ goto out;
+ }
+
+
+ trav = trav->next;
+ }
+
+ if (flag == 0 ) {
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "Invalid 'option read-subvolume %s', no such subvolume"
+ , read_subvol);
+ *op_errstr = gf_strdup ("Error, the sub-volume is not right");
+ ret = -1;
+ goto out;
+ }
+
+next:
+out:
+ return ret;
+
+
+}
int
@@ -190,6 +425,10 @@ reconfigure (xlator_t *this, dict_t *options)
priv->data_self_heal_window_size = window_size;
}
+ else {
+ priv->data_self_heal_window_size = 16;
+ }
+
dict_ret = dict_get_str (options, "data-change-log",
&change_log);