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switch scheduler to validate the subvolume specified for a pattern, against the given subvolumes of cluster/unify.

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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
This commit is contained in:
Basavanagowda Kanur 2009-04-13 11:21:20 +05:30 committed by Anand V. Avati
parent ec06475f22
commit 5dd850ae84
1 changed files with 33 additions and 2 deletions
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35
scheduler/switch/src/switch.c
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@ -75,6 +75,26 @@ switch_get_matching_xl (const char *path, struct switch_sched_struct *cond)
return NULL;
}
static int32_t
gf_unify_valid_child (const char *child,
xlator_t *xl)
{
xlator_list_t *children = NULL, *prev = NULL;
int32_t ret = 0;
children = xl->children;
do {
if (!strcmp (child, children->xlator->name)) {
ret = 1;
break;
}
prev = children;
children = prev->next;
} while (children);
return ret;
}
static int32_t
switch_init (xlator_t *xl)
@ -195,8 +215,19 @@ switch_init (xlator_t *xl)
dup_childs = strdup (childs);
child = strtok_r (dup_childs, ",", &tmp);
while (child) {
idx++;
child = strtok_r (NULL, ",", &tmp);
if (gf_unify_valid_child (child, xl)) {
idx++;
child = strtok_r (NULL, ",", &tmp);
} else {
gf_log ("switch", GF_LOG_ERROR,
"%s is not a subvolume "
"of %s. pattern can "
"only be scheduled only"
" to a subvolume of %s",
child, xl->name,
xl->name);
return -1;
}
}
free (dup_childs);
child = strtok_r (childs, ",", &tmp1);