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index 4e777d863f2dbed1a2433da46bf27bd8e62c55e9..cb3629c89eff652d34721e33bac763415a208bf0 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
return 0;
} /* match_attr */
+static int
+match_child(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_avltree_iter_t *iter = NULL;
+ int status = 0;
+
+ assert((m->type == MATCHER_SERVICE)
+ || (m->type == MATCHER_METRIC)
+ || (m->type == MATCHER_ATTRIBUTE));
+
+ /* TODO: support all object types */
+ if (obj->type != SDB_HOST)
+ return 0;
+
+ if (m->type == MATCHER_SERVICE)
+ iter = sdb_avltree_get_iter(HOST(obj)->services);
+ else if (m->type == MATCHER_METRIC)
+ iter = sdb_avltree_get_iter(HOST(obj)->metrics);
+ else if (m->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(HOST(obj)->attributes);
+
+ while (sdb_avltree_iter_has_next(iter)) {
+ sdb_object_t *child = sdb_avltree_iter_get_next(iter);
+ if (filter && (! sdb_store_matcher_matches(filter,
+ STORE_OBJ(child), NULL)))
+ continue;
+
+ if (sdb_store_matcher_matches(CHILD_M(m)->m, obj, filter)) {
+ status = 1;
+ break;
+ }
+ }
+ sdb_avltree_iter_destroy(iter);
+ return status;
+} /* match_child */
+
static int
match_lt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
return (status != INT_MAX) && (! status);
} /* match_cmp_eq */
+static int
+match_cmp_ne(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ int status;
+ assert(m->type == MATCHER_CMP_NE);
+ status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
+ return (status != INT_MAX) && status;
+} /* match_cmp_ne */
+
static int
match_cmp_ge(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
return (status != INT_MAX) && (status > 0);
} /* match_cmp_gt */
+static int
+match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_data_t v = SDB_DATA_INIT;
+ int status = 0;
+
+ regex_t regex;
+ _Bool free_regex = 0;
+
+ assert((m->type == MATCHER_REGEX)
+ || (m->type == MATCHER_NREGEX));
+
+ if (! CMP_M(m)->right->type) {
+ assert(CMP_M(m)->right->data.type == SDB_TYPE_REGEX);
+ regex = CMP_M(m)->right->data.data.re.regex;
+ }
+ else {
+ sdb_data_t tmp = SDB_DATA_INIT;
+ char *raw;
+
+ if (sdb_store_expr_eval(CMP_M(m)->right, obj, &tmp, filter))
+ return 0;
+
+ if (tmp.type != SDB_TYPE_STRING) {
+ sdb_data_free_datum(&tmp);
+ return 0;
+ }
+
+ raw = tmp.data.string;
+ if (sdb_data_parse(raw, SDB_TYPE_REGEX, &tmp)) {
+ free(raw);
+ return 0;
+ }
+
+ regex = tmp.data.re.regex;
+ free_regex = 1;
+ free(tmp.data.re.raw);
+ free(raw);
+ }
+
+ if (sdb_store_expr_eval(CMP_M(m)->left, obj, &v, filter))
+ status = 0;
+ else {
+ char value[sdb_data_strlen(&v) + 1];
+ if (sdb_data_format(&v, value, sizeof(value), SDB_UNQUOTED) < 0)
+ status = 0;
+ else if (! regexec(®ex, value, 0, NULL, 0))
+ status = 1;
+ }
+
+ if (free_regex)
+ regfree(®ex);
+ sdb_data_free_datum(&v);
+ if (m->type == MATCHER_NREGEX)
+ return !status;
+ return status;
+} /* match_regex */
+
static int
match_isnull(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
match_unary,
match_name,
match_attr,
+ match_child,
+ match_child,
+ match_child,
match_lt,
match_le,
match_eq,
match_cmp_lt,
match_cmp_le,
match_cmp_eq,
+ match_cmp_ne,
match_cmp_ge,
match_cmp_gt,
+ match_regex,
+ match_regex,
match_isnull,
};
return buf;
} /* op_tostring */
+static int
+child_matcher_init(sdb_object_t *obj, va_list ap)
+{
+ M(obj)->type = va_arg(ap, int);
+ CHILD_M(obj)->m = va_arg(ap, sdb_store_matcher_t *);
+
+ if (! CHILD_M(obj)->m)
+ return -1;
+
+ sdb_object_ref(SDB_OBJ(CHILD_M(obj)->m));
+ return 0;
+} /* child_matcher_init */
+
+static void
+child_matcher_destroy(sdb_object_t *obj)
+{
+ sdb_object_deref(SDB_OBJ(CHILD_M(obj)->m));
+} /* child_matcher_destroy */
+
+static char *
+child_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+{
+ snprintf(buf, buflen, "%s:", MATCHER_SYM(m->type));
+ buf[buflen - 1] = '\0';
+ sdb_store_matcher_tostring(CHILD_M(m)->m,
+ buf + strlen(buf), buflen - strlen(buf));
+ return buf;
+} /* child_tostring */
+
static int
cmp_matcher_init(sdb_object_t *obj, va_list ap)
{
/* destroy = */ uop_matcher_destroy,
};
+static sdb_type_t child_type = {
+ /* size = */ sizeof(child_matcher_t),
+ /* init = */ child_matcher_init,
+ /* destroy = */ child_matcher_destroy,
+};
+
static sdb_type_t cmp_type = {
/* size = */ sizeof(cmp_matcher_t),
/* init = */ cmp_matcher_init,
uop_tostring,
name_tostring,
attr_tostring,
+ child_tostring,
+ child_tostring,
+ child_tostring,
cond_tostring,
cond_tostring,
cond_tostring,
cmp_tostring,
cmp_tostring,
cmp_tostring,
+ cmp_tostring,
+ cmp_tostring,
+ cmp_tostring,
isnull_tostring,
};
return m;
} /* sdb_store_attr_matcher */
+sdb_store_matcher_t *
+sdb_store_child_matcher(int type, sdb_store_matcher_t *m)
+{
+ if (type == SDB_SERVICE)
+ type = MATCHER_SERVICE;
+ else if (type == SDB_METRIC)
+ type = MATCHER_METRIC;
+ else if (type == SDB_ATTRIBUTE)
+ type = MATCHER_ATTRIBUTE;
+ else
+ return NULL;
+ return M(sdb_object_create("any-matcher", child_type, type, m));
+} /* sdb_store_child_matcher */
+
sdb_store_matcher_t *
sdb_store_lt_matcher(sdb_store_cond_t *cond)
{
MATCHER_CMP_EQ, left, right));
} /* sdb_store_cmp_eq */
+sdb_store_matcher_t *
+sdb_store_cmp_ne(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("ne-matcher", cmp_type,
+ MATCHER_CMP_NE, left, right));
+} /* sdb_store_cmp_ne */
+
sdb_store_matcher_t *
sdb_store_cmp_ge(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
MATCHER_CMP_GT, left, right));
} /* sdb_store_cmp_gt */
+sdb_store_matcher_t *
+sdb_store_regex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ if (! right->type) {
+ if ((right->data.type != SDB_TYPE_STRING)
+ && (right->data.type != SDB_TYPE_REGEX))
+ return NULL;
+
+ if (right->data.type == SDB_TYPE_STRING) {
+ char *raw = right->data.data.string;
+ if (sdb_data_parse(raw, SDB_TYPE_REGEX, &right->data))
+ return NULL;
+ free(raw);
+ }
+ }
+ return M(sdb_object_create("regex-matcher", cmp_type,
+ MATCHER_REGEX, left, right));
+} /* sdb_store_regex_matcher */
+
+sdb_store_matcher_t *
+sdb_store_nregex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ sdb_store_matcher_t *m = sdb_store_regex_matcher(left, right);
+ if (! m)
+ return NULL;
+ m->type = MATCHER_NREGEX;
+ return m;
+} /* sdb_store_nregex_matcher */
+
sdb_store_matcher_t *
sdb_store_isnull_matcher(const char *attr_name)
{