index b73068486cf69811a85d7487b27ad7f41f741c5a..e5dad19a960b2c18bebd8172452a58ac41bcb8fd 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
#include <stdlib.h>
#include <string.h>
-/*
- * private data types
- */
-
-typedef struct {
- sdb_store_matcher_t *m;
- sdb_store_lookup_cb cb;
- void *user_data;
-} lookup_iter_data_t;
+#include <limits.h>
/*
- * private helper functions
+ * matcher implementations
*/
-static int
-lookup_iter(sdb_store_base_t *obj, void *user_data)
-{
- lookup_iter_data_t *d = user_data;
-
- if (sdb_store_matcher_matches(d->m, obj))
- return d->cb(obj, d->user_data);
- return 0;
-} /* lookup_iter */
-
/*
- * matcher implementations
+ * cmp_expr:
+ * Compare two values using the specified matcher operator. If strcmp_fallback
+ * is enabled, compare the string values in case of a type mismatch.
*/
-
-static int
-match_logical(sdb_store_matcher_t *m, sdb_store_base_t *obj);
static int
-match_obj(sdb_store_matcher_t *m, sdb_store_base_t *obj);
-
-/* specific matchers */
-
-static int
-match_name(name_matcher_t *m, const char *name)
+match_cmp_value(int op, sdb_data_t *v1, sdb_data_t *v2, _Bool strcmp_fallback)
{
- assert(m);
-
- if ((! m->name) && (! m->name_re))
- return 1;
+ int status;
- if (! name)
- name = "";
+ if (sdb_data_isnull(v1) || (sdb_data_isnull(v2)))
+ status = INT_MAX;
+ else if (v1->type == v2->type)
+ status = sdb_data_cmp(v1, v2);
+ else if (! strcmp_fallback)
+ status = INT_MAX;
+ else
+ status = sdb_data_strcmp(v1, v2);
- if (m->name && strcasecmp(m->name, name))
- return 0;
- if (m->name_re && regexec(m->name_re, name,
- /* matches */ 0, NULL, /* flags = */ 0))
+ if (status == INT_MAX)
return 0;
- return 1;
-} /* match_name */
+ else if (op == MATCHER_LT)
+ return status < 0;
+ else if (op == MATCHER_LE)
+ return status <= 0;
+ else if (op == MATCHER_EQ)
+ return status == 0;
+ else if (op == MATCHER_NE)
+ return status != 0;
+ else if (op == MATCHER_GE)
+ return status >= 0;
+ else if (op == MATCHER_GT)
+ return status > 0;
+ return 0;
+} /* match_cmp_value */
-/* match attribute specific values;
- * always call this function through match_obj() */
static int
-match_attr(attr_matcher_t *m, sdb_store_base_t *obj)
+match_regex_value(int op, sdb_data_t *v, sdb_data_t *re)
{
- assert(m && obj);
+ char value[sdb_data_strlen(v) + 1];
+ int status = 0;
+
+ assert((op == MATCHER_REGEX)
+ || (op == MATCHER_NREGEX));
- if (obj->type != SDB_ATTRIBUTE)
+ if (sdb_data_isnull(v) || sdb_data_isnull(re))
return 0;
- {
- sdb_attribute_t *attr = SDB_ATTR(obj);
- char buf[sdb_data_strlen(&attr->value) + 1];
+ if (re->type == SDB_TYPE_STRING) {
+ sdb_data_t tmp = SDB_DATA_INIT;
- if (sdb_data_format(&attr->value, buf, sizeof(buf), SDB_UNQUOTED) <= 0)
+ if (sdb_data_parse(re->data.string, SDB_TYPE_REGEX, &tmp))
return 0;
- return match_name(&m->value, buf);
+
+ sdb_data_free_datum(re);
+ *re = tmp;
}
-} /* match_attr */
+ else if (re->type != SDB_TYPE_REGEX)
+ return 0;
+
+ if (sdb_data_format(v, value, sizeof(value), SDB_UNQUOTED) < 0)
+ status = 0;
+ else if (! regexec(&re->data.re.regex, value, 0, NULL, 0))
+ status = 1;
+
+ if (op == MATCHER_NREGEX)
+ return !status;
+ return status;
+} /* match_regex_value */
-/* match service specific values;
- * always call this function through match_obj() */
static int
-match_service(service_matcher_t *m, sdb_store_base_t *obj)
+match_value(int op, sdb_data_t *v1, sdb_data_t *v2, _Bool strcmp_fallback)
{
- sdb_llist_iter_t *iter;
+ if ((op == MATCHER_REGEX) || (op == MATCHER_NREGEX))
+ return match_regex_value(op, v1, v2);
+ return match_cmp_value(op, v1, v2, strcmp_fallback);
+} /* match_value */
- assert(m && obj);
+static int
+match_logical(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ int status;
- if (obj->type != SDB_SERVICE)
- return 0;
+ assert((m->type == MATCHER_AND) || (m->type == MATCHER_OR));
+ assert(OP_M(m)->left && OP_M(m)->right);
- if (! m->attr)
- return 1;
+ status = sdb_store_matcher_matches(OP_M(m)->left, obj, filter);
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->attributes);
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *attr = STORE_BASE(sdb_llist_iter_get_next(iter));
+ /* lazy evaluation */
+ if ((! status) && (m->type == MATCHER_AND))
+ return status;
+ else if (status && (m->type == MATCHER_OR))
+ return status;
- /* if any of the attributes matches we found a matching service */
- if (match_obj(M(m->attr), attr)) {
- sdb_llist_iter_destroy(iter);
- return 1;
- }
- }
- sdb_llist_iter_destroy(iter);
- return 0;
-} /* match_service */
+ return sdb_store_matcher_matches(OP_M(m)->right, obj, filter);
+} /* match_logical */
+
+static int
+match_unary(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ assert(m->type == MATCHER_NOT);
+ assert(UOP_M(m)->op);
+
+ return !sdb_store_matcher_matches(UOP_M(m)->op, obj, filter);
+} /* match_unary */
-/* match host specific values;
- * always call this function through match_obj() */
+/* iterate arrays: ANY/ALL <array> <cmp> <value> */
static int
-match_host(host_matcher_t *m, sdb_store_base_t *obj)
+match_iter_array(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
- sdb_llist_iter_t *iter;
+ sdb_store_expr_t *e1, *e2;
+ sdb_data_t v1 = SDB_DATA_INIT;
+ sdb_data_t v2 = SDB_DATA_INIT;
+
int status;
- assert(m && obj);
+ if ((ITER_M(m)->m->type < MATCHER_LT)
+ || (MATCHER_NREGEX < ITER_M(m)->m->type))
+ return 0;
+
+ e1 = CMP_M(ITER_M(m)->m)->left;
+ e2 = CMP_M(ITER_M(m)->m)->right;
- if (obj->type != SDB_HOST)
+ if (sdb_store_expr_eval(e1, obj, &v1, filter))
+ return 0;
+ if (sdb_store_expr_eval(e2, obj, &v2, filter)) {
+ sdb_data_free_datum(&v1);
return 0;
+ }
- if (m->service) {
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->children);
+ if ((! (v1.type & SDB_TYPE_ARRAY)) || (v2.type & SDB_TYPE_ARRAY))
+ status = 0;
+ else if (sdb_data_isnull(&v1) || (sdb_data_isnull(&v2)))
status = 0;
- }
else {
- iter = NULL;
- status = 1;
+ size_t i;
+ int all = (int)(m->type == MATCHER_ALL);
+
+ status = all;
+ for (i = 0; i < v1.data.array.length; ++i) {
+ sdb_data_t v = SDB_DATA_INIT;
+ if (sdb_data_array_get(&v1, i, &v)) {
+ status = 0;
+ break;
+ }
+
+ if (match_value(ITER_M(m)->m->type, &v, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0))) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ }
+ else if (all) {
+ status = 0;
+ break;
+ }
+ }
+ }
+
+ sdb_data_free_datum(&v1);
+ sdb_data_free_datum(&v2);
+ return status;
+} /* match_iter_array */
+
+static int
+match_iter(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_avltree_iter_t *iter = NULL;
+ int status;
+ int all = (int)(m->type == MATCHER_ALL);
+
+ assert((m->type == MATCHER_ANY) || (m->type == MATCHER_ALL));
+
+ if (ITER_M(m)->type == SDB_FIELD_BACKEND)
+ return match_iter_array(m, obj, filter);
+
+ if (obj->type == SDB_HOST) {
+ if (ITER_M(m)->type == SDB_SERVICE)
+ iter = sdb_avltree_get_iter(HOST(obj)->services);
+ else if (ITER_M(m)->type == SDB_METRIC)
+ iter = sdb_avltree_get_iter(HOST(obj)->metrics);
+ else if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(HOST(obj)->attributes);
+ } else if (obj->type == SDB_SERVICE) {
+ if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(SVC(obj)->attributes);
+ } else if (obj->type == SDB_METRIC) {
+ if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(METRIC(obj)->attributes);
}
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *service = STORE_BASE(sdb_llist_iter_get_next(iter));
- /* found a matching service */
- if (match_obj(M(m->service), service)) {
- status = 1;
+ status = all;
+ while (sdb_avltree_iter_has_next(iter)) {
+ sdb_store_obj_t *child = STORE_OBJ(sdb_avltree_iter_get_next(iter));
+ if (filter && (! sdb_store_matcher_matches(filter, child, NULL)))
+ continue;
+
+ if (sdb_store_matcher_matches(ITER_M(m)->m, child, filter)) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ } else if (all) {
+ status = 0;
break;
}
}
- sdb_llist_iter_destroy(iter);
+ sdb_avltree_iter_destroy(iter);
+ return status;
+} /* match_iter */
- if (! status)
- return status;
- else if (! m->attr)
- return 1;
+static int
+match_cmp(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_store_expr_t *e1 = CMP_M(m)->left;
+ sdb_store_expr_t *e2 = CMP_M(m)->right;
+ sdb_data_t v1 = SDB_DATA_INIT, v2 = SDB_DATA_INIT;
+ int status;
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->attributes);
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *attr = STORE_BASE(sdb_llist_iter_get_next(iter));
+ assert((m->type == MATCHER_LT)
+ || (m->type == MATCHER_LE)
+ || (m->type == MATCHER_EQ)
+ || (m->type == MATCHER_NE)
+ || (m->type == MATCHER_GE)
+ || (m->type == MATCHER_GT));
- /* if any attribute matches, we found a matching host */
- if (match_obj(M(m->attr), attr)) {
- sdb_llist_iter_destroy(iter);
- return 1;
- }
+ if (sdb_store_expr_eval(e1, obj, &v1, filter))
+ return 0;
+ if (sdb_store_expr_eval(e2, obj, &v2, filter)) {
+ sdb_data_free_datum(&v1);
+ return 0;
}
- sdb_llist_iter_destroy(iter);
- return 0;
-} /* match_host */
-/* generic matchers */
+ status = match_cmp_value(m->type, &v1, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0));
-typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_store_base_t *);
+ sdb_data_free_datum(&v1);
+ sdb_data_free_datum(&v2);
+ return status;
+} /* match_cmp */
-/* this array needs to be indexable by the matcher types;
- * -> update the enum in store-private.h when updating this */
-static matcher_cb matchers[] = {
- match_logical,
- match_logical,
- match_obj,
- match_obj,
- match_obj,
-};
+static int
+match_in(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_data_t value = SDB_DATA_INIT, array = SDB_DATA_INIT;
+ int status = 1;
+
+ assert(m->type == MATCHER_IN);
+
+ if ((sdb_store_expr_eval(CMP_M(m)->left, obj, &value, filter))
+ || (sdb_store_expr_eval(CMP_M(m)->right, obj, &array, filter)))
+ status = 0;
+
+ if (status)
+ status = sdb_data_inarray(&value, &array);
+
+ sdb_data_free_datum(&value);
+ sdb_data_free_datum(&array);
+ return status;
+} /* match_in */
static int
-match_logical(sdb_store_matcher_t *m, sdb_store_base_t *obj)
+match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
- int status;
+ sdb_data_t regex = SDB_DATA_INIT, v = SDB_DATA_INIT;
+ int status = 0;
- assert(m && obj);
- assert(OP_M(m)->left && OP_M(m)->right);
+ assert((m->type == MATCHER_REGEX)
+ || (m->type == MATCHER_NREGEX));
- status = sdb_store_matcher_matches(OP_M(m)->left, obj);
- /* lazy evaluation */
- if ((! status) && (m->type == MATCHER_AND))
- return status;
- else if (status && (m->type == MATCHER_OR))
- return status;
+ if (sdb_store_expr_eval(CMP_M(m)->left, obj, &v, filter))
+ return 0;
+ else if (! CMP_M(m)->right->type)
+ regex = CMP_M(m)->right->data;
+ else if (sdb_store_expr_eval(CMP_M(m)->right, obj, ®ex, filter)) {
+ sdb_data_free_datum(&v);
+ return 0;
+ }
- return sdb_store_matcher_matches(OP_M(m)->right, obj);
-} /* match_logical */
+ status = match_regex_value(m->type, &v, ®ex);
+
+ sdb_data_free_datum(&v);
+ if (CMP_M(m)->right->type)
+ sdb_data_free_datum(®ex);
+ return status;
+} /* match_regex */
static int
-match_obj(sdb_store_matcher_t *m, sdb_store_base_t *obj)
+match_isnull(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
+ sdb_data_t v = SDB_DATA_INIT;
int status;
- assert(m && obj);
+ assert((m->type == MATCHER_ISNULL) || (m->type == MATCHER_ISNNULL));
- status = match_name(&OBJ_M(m)->name, obj->super.name);
- if (! status)
- return status;
+ /* TODO: this might hide real errors;
+ * improve error reporting and propagation */
+ if (sdb_store_expr_eval(ISNULL_M(m)->expr, obj, &v, filter)
+ || sdb_data_isnull(&v))
+ status = 1;
+ else
+ status = 0;
- switch (m->type) {
- case MATCHER_ATTR:
- return match_attr(ATTR_M(m), obj);
- break;
- case MATCHER_SERVICE:
- return match_service(SERVICE_M(m), obj);
- break;
- case MATCHER_HOST:
- return match_host(HOST_M(m), obj);
- break;
- }
- return 0;
-} /* match_obj */
+ sdb_data_free_datum(&v);
+ if (m->type == MATCHER_ISNNULL)
+ return !status;
+ return status;
+} /* match_isnull */
+
+typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_store_obj_t *,
+ sdb_store_matcher_t *);
+
+/* this array needs to be indexable by the matcher types;
+ * -> update the enum in store-private.h when updating this */
+static matcher_cb
+matchers[] = {
+ match_logical,
+ match_logical,
+ match_unary,
+ match_iter,
+ match_iter,
+ match_in,
+
+ /* unary operators */
+ match_isnull,
+ match_isnull,
+
+ /* ary operators */
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_regex,
+ match_regex,
+};
/*
* private matcher types
*/
-/* initializes a name matcher consuming two elements from ap */
static int
-name_matcher_init(name_matcher_t *m, va_list ap)
+op_matcher_init(sdb_object_t *obj, va_list ap)
{
- const char *name = va_arg(ap, const char *);
- const char *name_re = va_arg(ap, const char *);
-
- if (name) {
- m->name = strdup(name);
- if (! m->name)
- return -1;
- }
- if (name_re) {
- m->name_re = malloc(sizeof(*m->name_re));
- if (! m->name_re)
- return -1;
- if (regcomp(m->name_re, name_re, REG_EXTENDED | REG_ICASE | REG_NOSUB))
- return -1;
- }
- return 0;
-} /* name_matcher_init */
+ M(obj)->type = va_arg(ap, int);
+ if ((M(obj)->type != MATCHER_OR) && (M(obj)->type != MATCHER_AND))
+ return -1;
-static void
-name_matcher_destroy(name_matcher_t *m)
-{
- if (m->name)
- free(m->name);
- if (m->name_re) {
- regfree(m->name_re);
- free(m->name_re);
- }
-} /* name_matcher_destroy */
+ OP_M(obj)->left = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(OP_M(obj)->left));
+ OP_M(obj)->right = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(OP_M(obj)->right));
-/* initializes an object matcher consuming two elements from ap */
-static int
-obj_matcher_init(sdb_object_t *obj, va_list ap)
-{
- obj_matcher_t *m = OBJ_M(obj);
- return name_matcher_init(&m->name, ap);
-} /* obj_matcher_init */
+ if ((! OP_M(obj)->left) || (! OP_M(obj)->right))
+ return -1;
+ return 0;
+} /* op_matcher_init */
static void
-obj_matcher_destroy(sdb_object_t *obj)
+op_matcher_destroy(sdb_object_t *obj)
{
- obj_matcher_t *m = OBJ_M(obj);
- name_matcher_destroy(&m->name);
-} /* obj_matcher_destroy */
+ if (OP_M(obj)->left)
+ sdb_object_deref(SDB_OBJ(OP_M(obj)->left));
+ if (OP_M(obj)->right)
+ sdb_object_deref(SDB_OBJ(OP_M(obj)->right));
+} /* op_matcher_destroy */
static int
-attr_matcher_init(sdb_object_t *obj, va_list ap)
+iter_matcher_init(sdb_object_t *obj, va_list ap)
{
- attr_matcher_t *attr = ATTR_M(obj);
- int status;
+ M(obj)->type = va_arg(ap, int);
+ ITER_M(obj)->type = va_arg(ap, int);
+ ITER_M(obj)->m = va_arg(ap, sdb_store_matcher_t *);
- M(obj)->type = MATCHER_ATTR;
+ if (! ITER_M(obj)->m)
+ return -1;
- status = obj_matcher_init(obj, ap);
- if (! status)
- status = name_matcher_init(&attr->value, ap);
- return status;
-} /* attr_matcher_init */
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->m));
+ return 0;
+} /* iter_matcher_init */
static void
-attr_matcher_destroy(sdb_object_t *obj)
+iter_matcher_destroy(sdb_object_t *obj)
{
- attr_matcher_t *attr = ATTR_M(obj);
-
- obj_matcher_destroy(obj);
- name_matcher_destroy(&attr->value);
-} /* attr_matcher_destroy */
+ sdb_object_deref(SDB_OBJ(ITER_M(obj)->m));
+} /* iter_matcher_destroy */
static int
-service_matcher_init(sdb_object_t *obj, va_list ap)
+cmp_matcher_init(sdb_object_t *obj, va_list ap)
{
- attr_matcher_t *attr;
- int status;
-
- M(obj)->type = MATCHER_SERVICE;
-
- status = obj_matcher_init(obj, ap);
- if (status)
- return status;
+ M(obj)->type = va_arg(ap, int);
- attr = va_arg(ap, attr_matcher_t *);
+ CMP_M(obj)->left = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(CMP_M(obj)->left));
+ CMP_M(obj)->right = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(CMP_M(obj)->right));
- sdb_object_ref(SDB_OBJ(attr));
- SERVICE_M(obj)->attr = attr;
+ if ((! CMP_M(obj)->left) || (! CMP_M(obj)->right))
+ return -1;
return 0;
-} /* service_matcher_init */
+} /* cmp_matcher_init */
static void
-service_matcher_destroy(sdb_object_t *obj)
+cmp_matcher_destroy(sdb_object_t *obj)
{
- obj_matcher_destroy(obj);
- sdb_object_deref(SDB_OBJ(SERVICE_M(obj)->attr));
-} /* service_matcher_destroy */
+ sdb_object_deref(SDB_OBJ(CMP_M(obj)->left));
+ sdb_object_deref(SDB_OBJ(CMP_M(obj)->right));
+} /* cmp_matcher_destroy */
static int
-host_matcher_init(sdb_object_t *obj, va_list ap)
+uop_matcher_init(sdb_object_t *obj, va_list ap)
{
- service_matcher_t *service;
- attr_matcher_t *attr;
- int status;
-
- M(obj)->type = MATCHER_HOST;
-
- status = obj_matcher_init(obj, ap);
- if (status)
- return status;
+ M(obj)->type = va_arg(ap, int);
+ if (M(obj)->type != MATCHER_NOT)
+ return -1;
- service = va_arg(ap, service_matcher_t *);
- attr = va_arg(ap, attr_matcher_t *);
+ UOP_M(obj)->op = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(UOP_M(obj)->op));
- sdb_object_ref(SDB_OBJ(service));
- HOST_M(obj)->service = service;
- sdb_object_ref(SDB_OBJ(attr));
- HOST_M(obj)->attr = attr;
+ if (! UOP_M(obj)->op)
+ return -1;
return 0;
-} /* host_matcher_init */
+} /* uop_matcher_init */
static void
-host_matcher_destroy(sdb_object_t *obj)
+uop_matcher_destroy(sdb_object_t *obj)
{
- obj_matcher_destroy(obj);
- sdb_object_deref(SDB_OBJ(HOST_M(obj)->service));
- sdb_object_deref(SDB_OBJ(HOST_M(obj)->attr));
-} /* host_matcher_destroy */
+ if (UOP_M(obj)->op)
+ sdb_object_deref(SDB_OBJ(UOP_M(obj)->op));
+} /* uop_matcher_destroy */
static int
-op_matcher_init(sdb_object_t *obj, va_list ap)
+isnull_matcher_init(sdb_object_t *obj, va_list ap)
{
M(obj)->type = va_arg(ap, int);
- if ((M(obj)->type != MATCHER_OR) && (M(obj)->type != MATCHER_AND))
+ if ((M(obj)->type != MATCHER_ISNULL) && (M(obj)->type != MATCHER_ISNNULL))
return -1;
- OP_M(obj)->left = va_arg(ap, sdb_store_matcher_t *);
- sdb_object_ref(SDB_OBJ(OP_M(obj)->left));
- OP_M(obj)->right = va_arg(ap, sdb_store_matcher_t *);
- sdb_object_ref(SDB_OBJ(OP_M(obj)->right));
-
- if ((! OP_M(obj)->left) || (! OP_M(obj)->right))
- return -1;
+ ISNULL_M(obj)->expr = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(ISNULL_M(obj)->expr));
return 0;
-} /* op_matcher_init */
+} /* isnull_matcher_init */
static void
-op_matcher_destroy(sdb_object_t *obj)
+isnull_matcher_destroy(sdb_object_t *obj)
{
- if (OP_M(obj)->left)
- sdb_object_deref(SDB_OBJ(OP_M(obj)->left));
- if (OP_M(obj)->right)
- sdb_object_deref(SDB_OBJ(OP_M(obj)->right));
-} /* op_matcher_destroy */
+ sdb_object_deref(SDB_OBJ(ISNULL_M(obj)->expr));
+ ISNULL_M(obj)->expr = NULL;
+} /* isnull_matcher_destroy */
-static sdb_type_t attr_type = {
- /* size = */ sizeof(attr_matcher_t),
- /* init = */ attr_matcher_init,
- /* destroy = */ attr_matcher_destroy,
+static sdb_type_t op_type = {
+ /* size = */ sizeof(op_matcher_t),
+ /* init = */ op_matcher_init,
+ /* destroy = */ op_matcher_destroy,
};
-static sdb_type_t service_type = {
- /* size = */ sizeof(service_matcher_t),
- /* init = */ service_matcher_init,
- /* destroy = */ service_matcher_destroy,
+static sdb_type_t uop_type = {
+ /* size = */ sizeof(uop_matcher_t),
+ /* init = */ uop_matcher_init,
+ /* destroy = */ uop_matcher_destroy,
};
-static sdb_type_t host_type = {
- /* size = */ sizeof(host_matcher_t),
- /* init = */ host_matcher_init,
- /* destroy = */ host_matcher_destroy,
+static sdb_type_t iter_type = {
+ /* size = */ sizeof(iter_matcher_t),
+ /* init = */ iter_matcher_init,
+ /* destroy = */ iter_matcher_destroy,
};
-static sdb_type_t op_type = {
- /* size = */ sizeof(op_matcher_t),
- /* init = */ op_matcher_init,
- /* destroy = */ op_matcher_destroy,
+static sdb_type_t cmp_type = {
+ /* size = */ sizeof(cmp_matcher_t),
+ /* init = */ cmp_matcher_init,
+ /* destroy = */ cmp_matcher_destroy,
+};
+
+static sdb_type_t isnull_type = {
+ /* size = */ sizeof(isnull_matcher_t),
+ /* init = */ isnull_matcher_init,
+ /* destroy = */ isnull_matcher_destroy,
};
/*
*/
sdb_store_matcher_t *
-sdb_store_attr_matcher(const char *attr_name, const char *attr_name_re,
- const char *attr_value, const char *attr_value_re)
+sdb_store_any_matcher(int type, sdb_store_matcher_t *m)
{
- return M(sdb_object_create("attr-matcher", attr_type,
- attr_name, attr_name_re, attr_value, attr_value_re));
-} /* sdb_store_attr_matcher */
+ if ((type != SDB_SERVICE) && (type != SDB_METRIC)
+ && (type != SDB_ATTRIBUTE) && (type != SDB_FIELD_BACKEND))
+ return NULL;
+ return M(sdb_object_create("any-matcher", iter_type,
+ MATCHER_ANY, type, m));
+} /* sdb_store_any_matcher */
sdb_store_matcher_t *
-sdb_store_service_matcher(const char *service_name, const char *service_name_re,
- sdb_store_matcher_t *attr_matcher)
+sdb_store_all_matcher(int type, sdb_store_matcher_t *m)
{
- return M(sdb_object_create("service-matcher", service_type,
- service_name, service_name_re, attr_matcher));
-} /* sdb_store_service_matcher */
+ if ((type != SDB_SERVICE) && (type != SDB_METRIC)
+ && (type != SDB_ATTRIBUTE) && (type != SDB_FIELD_BACKEND))
+ return NULL;
+ return M(sdb_object_create("all-matcher", iter_type,
+ MATCHER_ALL, type, m));
+} /* sdb_store_all_matcher */
sdb_store_matcher_t *
-sdb_store_host_matcher(const char *host_name, const char *host_name_re,
- sdb_store_matcher_t *service_matcher,
- sdb_store_matcher_t *attr_matcher)
+sdb_store_lt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("host-matcher", host_type,
- host_name, host_name_re, service_matcher, attr_matcher));
-} /* sdb_store_host_matcher */
+ return M(sdb_object_create("lt-matcher", cmp_type,
+ MATCHER_LT, left, right));
+} /* sdb_store_lt_matcher */
sdb_store_matcher_t *
-sdb_store_matcher_parse_cmp(const char *obj_type, const char *attr,
- const char *op, const char *value)
+sdb_store_le_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- int typ = -1;
+ return M(sdb_object_create("le-matcher", cmp_type,
+ MATCHER_LE, left, right));
+} /* sdb_store_le_matcher */
- const char *matcher = NULL;
- const char *matcher_re = NULL;
+sdb_store_matcher_t *
+sdb_store_eq_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("eq-matcher", cmp_type,
+ MATCHER_EQ, left, right));
+} /* sdb_store_eq_matcher */
- if (! strcasecmp(obj_type, "host"))
- typ = SDB_HOST;
- else if (! strcasecmp(obj_type, "service"))
- typ = SDB_SERVICE;
- else if (! strcasecmp(obj_type, "attribute"))
- typ = SDB_ATTRIBUTE;
+sdb_store_matcher_t *
+sdb_store_ne_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("ne-matcher", cmp_type,
+ MATCHER_NE, left, right));
+} /* sdb_store_ne_matcher */
- /* TODO: support other operators */
- if (! strcasecmp(op, "="))
- matcher = value;
- else if (! strcasecmp(op, "=~"))
- matcher_re = value;
- else
- return NULL;
+sdb_store_matcher_t *
+sdb_store_ge_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("ge-matcher", cmp_type,
+ MATCHER_GE, left, right));
+} /* sdb_store_ge_matcher */
+
+sdb_store_matcher_t *
+sdb_store_gt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("gt-matcher", cmp_type,
+ MATCHER_GT, left, right));
+} /* sdb_store_gt_matcher */
- if (! strcasecmp(attr, "name")) {
- /* accept */
+sdb_store_matcher_t *
+sdb_store_in_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("in-matcher", cmp_type,
+ MATCHER_IN, left, right));
+} /* sdb_store_in_matcher */
+
+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);
+ }
}
- else if (typ == SDB_ATTRIBUTE)
- return sdb_store_attr_matcher(attr, NULL, matcher, matcher_re);
- else
+ 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(sdb_store_expr_t *expr)
+{
+ return M(sdb_object_create("isnull-matcher", isnull_type,
+ MATCHER_ISNULL, expr));
+} /* sdb_store_isnull_matcher */
- if (typ == SDB_HOST)
- return sdb_store_host_matcher(matcher, matcher_re, NULL, NULL);
- else if (typ == SDB_SERVICE)
- return sdb_store_service_matcher(matcher, matcher_re, NULL);
- else if (typ == SDB_ATTRIBUTE)
- return sdb_store_attr_matcher(matcher, matcher_re, NULL, NULL);
+sdb_store_matcher_t *
+sdb_store_isnnull_matcher(sdb_store_expr_t *expr)
+{
+ return M(sdb_object_create("isnull-matcher", isnull_type,
+ MATCHER_ISNNULL, expr));
+} /* sdb_store_isnnull_matcher */
+
+sdb_store_matcher_op_cb
+sdb_store_parse_matcher_op(const char *op)
+{
+ if (! strcasecmp(op, "<"))
+ return sdb_store_lt_matcher;
+ else if (! strcasecmp(op, "<="))
+ return sdb_store_le_matcher;
+ else if (! strcasecmp(op, "="))
+ return sdb_store_eq_matcher;
+ else if (! strcasecmp(op, "!="))
+ return sdb_store_ne_matcher;
+ else if (! strcasecmp(op, ">="))
+ return sdb_store_ge_matcher;
+ else if (! strcasecmp(op, ">"))
+ return sdb_store_gt_matcher;
+ else if (! strcasecmp(op, "=~"))
+ return sdb_store_regex_matcher;
+ else if (! strcasecmp(op, "!~"))
+ return sdb_store_nregex_matcher;
return NULL;
-} /* sdb_store_matcher_parse_cmp */
+} /* sdb_store_parse_matcher_op */
+
+int
+sdb_store_parse_object_type(const char *name)
+{
+ if (! strcasecmp(name, "host"))
+ return SDB_HOST;
+ else if (! strcasecmp(name, "service"))
+ return SDB_SERVICE;
+ else if (! strcasecmp(name, "metric"))
+ return SDB_METRIC;
+ else if (! strcasecmp(name, "attribute"))
+ return SDB_ATTRIBUTE;
+ return -1;
+} /* sdb_store_parse_object_type */
+
+int
+sdb_store_parse_object_type_plural(const char *name)
+{
+ if (! strcasecmp(name, "hosts"))
+ return SDB_HOST;
+ else if (! strcasecmp(name, "services"))
+ return SDB_SERVICE;
+ else if (! strcasecmp(name, "metrics"))
+ return SDB_METRIC;
+ else if (! strcasecmp(name, "attributes"))
+ return SDB_ATTRIBUTE;
+ return -1;
+} /* sdb_store_parse_object_type_plural */
+
+int
+sdb_store_parse_field_name(const char *name)
+{
+ if (! strcasecmp(name, "name"))
+ return SDB_FIELD_NAME;
+ else if (! strcasecmp(name, "last_update"))
+ return SDB_FIELD_LAST_UPDATE;
+ else if (! strcasecmp(name, "age"))
+ return SDB_FIELD_AGE;
+ else if (! strcasecmp(name, "interval"))
+ return SDB_FIELD_INTERVAL;
+ else if (! strcasecmp(name, "backend"))
+ return SDB_FIELD_BACKEND;
+ return -1;
+} /* sdb_store_parse_field_name */
sdb_store_matcher_t *
sdb_store_dis_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right)
left, right));
} /* sdb_store_con_matcher */
+sdb_store_matcher_t *
+sdb_store_inv_matcher(sdb_store_matcher_t *m)
+{
+ return M(sdb_object_create("inv-matcher", uop_type, MATCHER_NOT, m));
+} /* sdb_store_inv_matcher */
+
int
-sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_base_t *obj)
+sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
+ if (filter && (! sdb_store_matcher_matches(filter, obj, NULL)))
+ return 0;
+
/* "NULL" always matches */
if ((! m) || (! obj))
return 1;
if ((m->type < 0) || ((size_t)m->type >= SDB_STATIC_ARRAY_LEN(matchers)))
return 0;
- return matchers[m->type](m, obj);
+ return matchers[m->type](m, obj, filter);
} /* sdb_store_matcher_matches */
-int
-sdb_store_lookup(sdb_store_matcher_t *m, sdb_store_lookup_cb cb,
- void *user_data)
-{
- lookup_iter_data_t data = { m, cb, user_data };
-
- if (! cb)
- return -1;
- return sdb_store_iterate(lookup_iter, &data);
-} /* sdb_store_lookup */
-
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */