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index 2affaa986f869e3c7514761857653203c291fefa..489dd1ac52c6fa817df40046d5f0725b6fb45386 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
#include <stdlib.h>
#include <string.h>
+#include <limits.h>
+
/*
* private data types
*/
*/
static int
-lookup_iter(sdb_store_base_t *obj, void *user_data)
+lookup_iter(sdb_store_obj_t *obj, void *user_data)
{
lookup_iter_data_t *d = user_data;
return 0;
} /* lookup_iter */
+static sdb_attribute_t *
+attr_get(sdb_host_t *host, const char *name)
+{
+ sdb_llist_iter_t *iter = NULL;
+ sdb_attribute_t *attr = NULL;
+
+ iter = sdb_llist_get_iter(host->attributes);
+ while (sdb_llist_iter_has_next(iter)) {
+ sdb_attribute_t *a = ATTR(sdb_llist_iter_get_next(iter));
+
+ if (strcasecmp(name, SDB_OBJ(a)->name))
+ continue;
+
+ assert(STORE_OBJ(a)->type == SDB_ATTRIBUTE);
+ attr = a;
+ break;
+ }
+ sdb_llist_iter_destroy(iter);
+ return attr;
+} /* attr_get */
+
/*
- * matcher implementations
+ * conditional implementations
*/
static int
-match_logical(sdb_store_matcher_t *m, sdb_store_base_t *obj);
-static int
-match_unary(sdb_store_matcher_t *m, sdb_store_base_t *obj);
-static int
-match_obj(sdb_store_matcher_t *m, sdb_store_base_t *obj);
+attr_cmp(sdb_host_t *host, sdb_store_cond_t *cond)
+{
+ sdb_attribute_t *attr;
+
+ attr = attr_get(host, ATTR_C(cond)->name);
+ if (! attr)
+ return INT_MAX;
+ if (attr->value.type != ATTR_C(cond)->value.type)
+ return INT_MAX;
+ return sdb_data_cmp(&attr->value, &ATTR_C(cond)->value);
+} /* attr_cmp */
-/* specific matchers */
+/*
+ * matcher implementations
+ */
static int
-match_name(name_matcher_t *m, const char *name)
+match_string(string_matcher_t *m, const char *name)
{
- assert(m);
-
if ((! m->name) && (! m->name_re))
return 1;
/* matches */ 0, NULL, /* flags = */ 0))
return 0;
return 1;
-} /* match_name */
+} /* match_string */
-static char *
-name_tostring(name_matcher_t *m, char *buf, size_t buflen)
+static int
+match_logical(sdb_store_matcher_t *m, sdb_host_t *host)
{
- snprintf(buf, buflen, "{ %s%s%s, %p }",
- m->name ? "'" : "", m->name ? m->name : "NULL", m->name ? "'" : "",
- m->name_re);
- return buf;
-} /* name_tostring */
+ int status;
-static char *
-logical_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char left[buflen + 1], right[buflen + 1];
+ assert((m->type == MATCHER_AND) || (m->type == MATCHER_OR));
+ assert(OP_M(m)->left && OP_M(m)->right);
- if (! m) {
- /* this should not happen */
- snprintf(buf, buflen, "()");
- return buf;
- }
+ status = sdb_store_matcher_matches(OP_M(m)->left, STORE_OBJ(host));
+ /* lazy evaluation */
+ if ((! status) && (m->type == MATCHER_AND))
+ return status;
+ else if (status && (m->type == MATCHER_OR))
+ return status;
- assert((m->type == MATCHER_OR) || (m->type == MATCHER_AND));
- snprintf(buf, buflen, "(%s, %s, %s)",
- m->type == MATCHER_OR ? "OR" : "AND",
- sdb_store_matcher_tostring(OP_M(m)->left, left, sizeof(left)),
- sdb_store_matcher_tostring(OP_M(m)->right, right, sizeof(right)));
- return buf;
-} /* logical_tostring */
+ return sdb_store_matcher_matches(OP_M(m)->right, STORE_OBJ(host));
+} /* match_logical */
-static char *
-unary_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+static int
+match_unary(sdb_store_matcher_t *m, sdb_host_t *host)
{
- char op[buflen + 1];
-
- if (! m) {
- /* this should not happen */
- snprintf(buf, buflen, "()");
- return buf;
- }
-
assert(m->type == MATCHER_NOT);
- snprintf(buf, buflen, "(NOT, %s)",
- sdb_store_matcher_tostring(UOP_M(m)->op, op, sizeof(op)));
- return buf;
-} /* unary_tostring */
-
-static char *
-attr_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char name[buflen + 1], value[buflen + 1];
-
- if (! m) {
- snprintf(buf, buflen, "ATTR{}");
- return buf;
- }
+ assert(UOP_M(m)->op);
- assert(m->type == MATCHER_ATTR);
- snprintf(buf, buflen, "ATTR{ NAME%s, VALUE%s }",
- name_tostring(&OBJ_M(m)->name, name, sizeof(name)),
- name_tostring(&ATTR_M(m)->value, value, sizeof(value)));
- return buf;
-} /* attr_tostring */
+ return !sdb_store_matcher_matches(UOP_M(m)->op, STORE_OBJ(host));
+} /* match_unary */
-static char *
-service_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+static int
+match_name(sdb_store_matcher_t *m, sdb_host_t *host)
{
- char name[buflen + 1], attr[buflen + 1];
-
- if (! m) {
- snprintf(buf, buflen, "SERVICE{}");
- return buf;
- }
+ sdb_llist_iter_t *iter = NULL;
+ int status = 0;
- assert(m->type == MATCHER_SERVICE);
- snprintf(buf, buflen, "SERVICE{ NAME%s, %s }",
- name_tostring(&OBJ_M(m)->name, name, sizeof(name)),
- attr_tostring(SDB_STORE_MATCHER(SERVICE_M(m)->attr),
- attr, sizeof(attr)));
- return buf;
-} /* service_tostring */
+ assert(m->type == MATCHER_NAME);
-static char *
-host_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char name[buflen + 1], service[buflen + 1], attr[buflen + 1];
-
- if (! m) {
- snprintf(buf, buflen, "HOST{}");
- return buf;
+ switch (NAME_M(m)->obj_type) {
+ case SDB_HOST:
+ return match_string(&NAME_M(m)->name, SDB_OBJ(host)->name);
+ break;
+ case SDB_SERVICE:
+ iter = sdb_llist_get_iter(host->services);
+ break;
+ case SDB_ATTRIBUTE:
+ iter = sdb_llist_get_iter(host->attributes);
+ break;
}
- assert(m->type == MATCHER_HOST);
- snprintf(buf, buflen, "HOST{ NAME%s, %s, %s }",
- name_tostring(&OBJ_M(m)->name, name, sizeof(name)),
- service_tostring(SDB_STORE_MATCHER(HOST_M(m)->service),
- service, sizeof(service)),
- attr_tostring(SDB_STORE_MATCHER(HOST_M(m)->attr),
- attr, sizeof(attr)));
- return buf;
-} /* host_tostring */
+ while (sdb_llist_iter_has_next(iter)) {
+ sdb_object_t *child = sdb_llist_iter_get_next(iter);
+ if (match_string(&NAME_M(m)->name, child->name)) {
+ status = 1;
+ break;
+ }
+ }
+ sdb_llist_iter_destroy(iter);
+ return status;
+} /* match_name */
-/* 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_attr(sdb_store_matcher_t *m, sdb_host_t *host)
{
- assert(m && obj);
+ sdb_attribute_t *attr;
- if (obj->type != SDB_ATTRIBUTE)
- return 0;
+ assert(m->type == MATCHER_ATTR);
+ assert(ATTR_M(m)->name);
- {
- sdb_attribute_t *attr = SDB_ATTR(obj);
+ attr = attr_get(host, ATTR_M(m)->name);
+ if (attr) {
char buf[sdb_data_strlen(&attr->value) + 1];
-
if (sdb_data_format(&attr->value, buf, sizeof(buf), SDB_UNQUOTED) <= 0)
return 0;
- return match_name(&m->value, buf);
+ if (match_string(&ATTR_M(m)->value, buf))
+ return 1;
}
+ return 0;
} /* match_attr */
-/* 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_lt(sdb_store_matcher_t *m, sdb_host_t *host)
{
- sdb_llist_iter_t *iter;
-
- assert(m && obj);
-
- if (obj->type != SDB_SERVICE)
- return 0;
-
- if (! m->attr)
- return 1;
-
- 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));
-
- /* 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 */
+ int status;
+ assert(m->type == MATCHER_LT);
+ status = COND_M(m)->cond->cmp(host, COND_M(m)->cond);
+ return (status != INT_MAX) && (status < 0);
+} /* match_lt */
-/* match host specific values;
- * always call this function through match_obj() */
static int
-match_host(host_matcher_t *m, sdb_store_base_t *obj)
+match_le(sdb_store_matcher_t *m, sdb_host_t *host)
{
- sdb_llist_iter_t *iter;
int status;
+ assert(m->type == MATCHER_LE);
+ status = COND_M(m)->cond->cmp(host, COND_M(m)->cond);
+ return (status != INT_MAX) && (status <= 0);
+} /* match_le */
- assert(m && obj);
-
- if (obj->type != SDB_HOST)
- return 0;
-
- if (m->service) {
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->children);
- status = 0;
- }
- else {
- iter = NULL;
- status = 1;
- }
- 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;
- break;
- }
- }
- sdb_llist_iter_destroy(iter);
-
- if (! status)
- return status;
- else if (! m->attr)
- return 1;
-
- 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));
+static int
+match_eq(sdb_store_matcher_t *m, sdb_host_t *host)
+{
+ int status;
+ assert(m->type == MATCHER_EQ);
+ status = COND_M(m)->cond->cmp(host, COND_M(m)->cond);
+ return (status != INT_MAX) && (! status);
+} /* match_eq */
- /* if any attribute matches, we found a matching host */
- if (match_obj(M(m->attr), attr)) {
- sdb_llist_iter_destroy(iter);
- return 1;
- }
- }
- sdb_llist_iter_destroy(iter);
- return 0;
-} /* match_host */
+static int
+match_ge(sdb_store_matcher_t *m, sdb_host_t *host)
+{
+ int status;
+ assert(m->type == MATCHER_GE);
+ status = COND_M(m)->cond->cmp(host, COND_M(m)->cond);
+ return (status != INT_MAX) && (status >= 0);
+} /* match_ge */
-/* generic matchers */
+static int
+match_gt(sdb_store_matcher_t *m, sdb_host_t *host)
+{
+ int status;
+ assert(m->type == MATCHER_GT);
+ status = COND_M(m)->cond->cmp(host, COND_M(m)->cond);
+ return (status != INT_MAX) && (status > 0);
+} /* match_gt */
-typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_store_base_t *);
+typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_host_t *);
/* this array needs to be indexable by the matcher types;
* -> update the enum in store-private.h when updating this */
match_logical,
match_logical,
match_unary,
- match_obj,
- match_obj,
- match_obj,
+ match_name,
+ match_attr,
+ match_lt,
+ match_le,
+ match_eq,
+ match_ge,
+ match_gt,
};
-typedef char *(*matcher_tostring_cb)(sdb_store_matcher_t *, char *, size_t);
-
-static matcher_tostring_cb matchers_tostring[] = {
- logical_tostring,
- logical_tostring,
- unary_tostring,
- attr_tostring,
- service_tostring,
- host_tostring,
-};
+/*
+ * private conditional types
+ */
static int
-match_logical(sdb_store_matcher_t *m, sdb_store_base_t *obj)
+attr_cond_init(sdb_object_t *obj, va_list ap)
{
- int status;
-
- assert(m && obj);
- assert(OP_M(m)->left && OP_M(m)->right);
-
- 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;
+ const char *name = va_arg(ap, const char *);
+ const sdb_data_t *value = va_arg(ap, const sdb_data_t *);
- return sdb_store_matcher_matches(OP_M(m)->right, obj);
-} /* match_logical */
+ if (! name)
+ return -1;
-static int
-match_unary(sdb_store_matcher_t *m, sdb_store_base_t *obj)
-{
- assert(m && obj);
- assert(UOP_M(m)->op);
+ SDB_STORE_COND(obj)->cmp = attr_cmp;
- return !sdb_store_matcher_matches(UOP_M(m)->op, obj);
-} /* match_unary */
+ ATTR_C(obj)->name = strdup(name);
+ if (! ATTR_C(obj)->name)
+ return -1;
+ if (sdb_data_copy(&ATTR_C(obj)->value, value))
+ return -1;
+ return 0;
+} /* attr_cond_init */
-static int
-match_obj(sdb_store_matcher_t *m, sdb_store_base_t *obj)
+static void
+attr_cond_destroy(sdb_object_t *obj)
{
- int status;
-
- assert(m && obj);
-
- status = match_name(&OBJ_M(m)->name, obj->super.name);
- if (! status)
- return status;
+ if (ATTR_C(obj)->name)
+ free(ATTR_C(obj)->name);
+ sdb_data_free_datum(&ATTR_C(obj)->value);
+} /* attr_cond_destroy */
- 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 */
+static sdb_type_t attr_cond_type = {
+ /* size = */ sizeof(attr_cond_t),
+ /* init = */ attr_cond_init,
+ /* destroy = */ attr_cond_destroy,
+};
/*
* private matcher types
*/
-/* initializes a name matcher consuming two elements from ap */
+/* initializes a string matcher consuming two elements from ap */
static int
-name_matcher_init(name_matcher_t *m, va_list ap)
+string_matcher_init(string_matcher_t *m, va_list ap)
{
const char *name = va_arg(ap, const char *);
const char *name_re = va_arg(ap, const char *);
return -1;
}
return 0;
-} /* name_matcher_init */
+} /* string_matcher_init */
static void
-name_matcher_destroy(name_matcher_t *m)
+string_matcher_destroy(string_matcher_t *m)
{
if (m->name)
free(m->name);
regfree(m->name_re);
free(m->name_re);
}
-} /* name_matcher_destroy */
+} /* string_matcher_destroy */
-/* initializes an object matcher consuming two elements from ap */
+static char *
+string_tostring(string_matcher_t *m, char *buf, size_t buflen)
+{
+ snprintf(buf, buflen, "{ %s%s%s, %p }",
+ m->name ? "'" : "", m->name ? m->name : "NULL", m->name ? "'" : "",
+ m->name_re);
+ return buf;
+} /* string_tostring */
+
+/* initializes a name matcher */
static int
-obj_matcher_init(sdb_object_t *obj, va_list ap)
+name_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 */
+ name_matcher_t *m = NAME_M(obj);
+ M(obj)->type = MATCHER_NAME;
+ return string_matcher_init(&m->name, ap);
+} /* name_matcher_init */
static void
-obj_matcher_destroy(sdb_object_t *obj)
+name_matcher_destroy(sdb_object_t *obj)
{
- obj_matcher_t *m = OBJ_M(obj);
- name_matcher_destroy(&m->name);
-} /* obj_matcher_destroy */
+ name_matcher_t *m = NAME_M(obj);
+ string_matcher_destroy(&m->name);
+} /* name_matcher_destroy */
+
+static char *
+name_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+{
+ char name[buflen + 1];
+ assert(m->type == MATCHER_NAME);
+ snprintf(buf, buflen, "OBJ[%s]{ NAME%s }",
+ SDB_STORE_TYPE_TO_NAME(NAME_M(m)->obj_type),
+ string_tostring(&NAME_M(m)->name, name, sizeof(name)));
+ return buf;
+} /* name_tostring */
static int
attr_matcher_init(sdb_object_t *obj, va_list ap)
{
attr_matcher_t *attr = ATTR_M(obj);
- int status;
+ const char *name = va_arg(ap, const char *);
M(obj)->type = MATCHER_ATTR;
-
- status = obj_matcher_init(obj, ap);
- if (! status)
- status = name_matcher_init(&attr->value, ap);
- return status;
+ if (name) {
+ attr->name = strdup(name);
+ if (! attr->name)
+ return -1;
+ }
+ return string_matcher_init(&attr->value, ap);
} /* attr_matcher_init */
static void
attr_matcher_destroy(sdb_object_t *obj)
{
attr_matcher_t *attr = ATTR_M(obj);
-
- obj_matcher_destroy(obj);
- name_matcher_destroy(&attr->value);
+ if (attr->name)
+ free(attr->name);
+ attr->name = NULL;
+ string_matcher_destroy(&attr->value);
} /* attr_matcher_destroy */
-static int
-service_matcher_init(sdb_object_t *obj, va_list ap)
+static char *
+attr_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
{
- attr_matcher_t *attr;
- int status;
-
- M(obj)->type = MATCHER_SERVICE;
-
- status = obj_matcher_init(obj, ap);
- if (status)
- return status;
-
- attr = va_arg(ap, attr_matcher_t *);
+ char value[buflen + 1];
- sdb_object_ref(SDB_OBJ(attr));
- SERVICE_M(obj)->attr = attr;
- return 0;
-} /* service_matcher_init */
+ if (! m) {
+ snprintf(buf, buflen, "ATTR{}");
+ return buf;
+ }
-static void
-service_matcher_destroy(sdb_object_t *obj)
-{
- obj_matcher_destroy(obj);
- sdb_object_deref(SDB_OBJ(SERVICE_M(obj)->attr));
-} /* service_matcher_destroy */
+ assert(m->type == MATCHER_ATTR);
+ snprintf(buf, buflen, "ATTR[%s]{ VALUE%s }", ATTR_M(m)->name,
+ string_tostring(&ATTR_M(m)->value, value, sizeof(value)));
+ return buf;
+} /* attr_tostring */
static int
-host_matcher_init(sdb_object_t *obj, va_list ap)
+cond_matcher_init(sdb_object_t *obj, va_list ap)
{
- service_matcher_t *service;
- attr_matcher_t *attr;
- int status;
+ int type = va_arg(ap, int);
+ sdb_store_cond_t *cond = va_arg(ap, sdb_store_cond_t *);
- M(obj)->type = MATCHER_HOST;
-
- status = obj_matcher_init(obj, ap);
- if (status)
- return status;
+ if (! cond)
+ return -1;
- service = va_arg(ap, service_matcher_t *);
- attr = va_arg(ap, attr_matcher_t *);
+ sdb_object_ref(SDB_OBJ(cond));
- sdb_object_ref(SDB_OBJ(service));
- HOST_M(obj)->service = service;
- sdb_object_ref(SDB_OBJ(attr));
- HOST_M(obj)->attr = attr;
+ M(obj)->type = type;
+ COND_M(obj)->cond = cond;
return 0;
-} /* host_matcher_init */
+} /* cond_matcher_init */
static void
-host_matcher_destroy(sdb_object_t *obj)
+cond_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 */
+ sdb_object_deref(SDB_OBJ(COND_M(obj)->cond));
+} /* cond_matcher_destroy */
+
+static char *
+cond_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+{
+ if (COND_M(m)->cond->cmp == attr_cmp) {
+ char value[buflen];
+ if (sdb_data_format(&ATTR_C(COND_M(m)->cond)->value,
+ value, sizeof(value), SDB_SINGLE_QUOTED) < 0)
+ snprintf(value, sizeof(value), "ERR");
+ snprintf(buf, buflen, "ATTR[%s]{ %s %s }",
+ ATTR_C(COND_M(m)->cond)->name, MATCHER_SYM(m->type), value);
+ }
+ return buf;
+} /* cond_tostring */
static int
op_matcher_init(sdb_object_t *obj, va_list ap)
sdb_object_deref(SDB_OBJ(OP_M(obj)->right));
} /* op_matcher_destroy */
+static char *
+op_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+{
+ char left[buflen + 1], right[buflen + 1];
+
+ if (! m) {
+ /* this should not happen */
+ snprintf(buf, buflen, "()");
+ return buf;
+ }
+
+ assert((m->type == MATCHER_OR) || (m->type == MATCHER_AND));
+ snprintf(buf, buflen, "(%s, %s, %s)",
+ m->type == MATCHER_OR ? "OR" : "AND",
+ sdb_store_matcher_tostring(OP_M(m)->left, left, sizeof(left)),
+ sdb_store_matcher_tostring(OP_M(m)->right, right, sizeof(right)));
+ return buf;
+} /* op_tostring */
+
static int
uop_matcher_init(sdb_object_t *obj, va_list ap)
{
sdb_object_deref(SDB_OBJ(UOP_M(obj)->op));
} /* uop_matcher_destroy */
+static char *
+uop_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+{
+ char op[buflen + 1];
+
+ if (! m) {
+ /* this should not happen */
+ snprintf(buf, buflen, "()");
+ return buf;
+ }
+
+ assert(m->type == MATCHER_NOT);
+ snprintf(buf, buflen, "(NOT, %s)",
+ sdb_store_matcher_tostring(UOP_M(m)->op, op, sizeof(op)));
+ return buf;
+} /* uop_tostring */
+
+static sdb_type_t name_type = {
+ /* size = */ sizeof(name_matcher_t),
+ /* init = */ name_matcher_init,
+ /* destroy = */ name_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 service_type = {
- /* size = */ sizeof(service_matcher_t),
- /* init = */ service_matcher_init,
- /* destroy = */ service_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 cond_type = {
+ /* size = */ sizeof(cond_matcher_t),
+ /* init = */ cond_matcher_init,
+ /* destroy = */ cond_matcher_destroy,
};
static sdb_type_t op_type = {
/* destroy = */ uop_matcher_destroy,
};
+typedef char *(*matcher_tostring_cb)(sdb_store_matcher_t *, char *, size_t);
+
+/* this array needs to be indexable by the matcher types;
+ * -> update the enum in store-private.h when updating this */
+static matcher_tostring_cb matchers_tostring[] = {
+ op_tostring,
+ op_tostring,
+ uop_tostring,
+ name_tostring,
+ attr_tostring,
+ cond_tostring,
+ cond_tostring,
+ cond_tostring,
+ cond_tostring,
+ cond_tostring,
+};
+
/*
* public API
*/
+sdb_store_cond_t *
+sdb_store_attr_cond(const char *name, const sdb_data_t *value)
+{
+ return SDB_STORE_COND(sdb_object_create("attr-cond", attr_cond_type,
+ name, value));
+} /* sdb_store_attr_cond */
+
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_name_matcher(int type, const char *name, _Bool re)
{
+ sdb_store_matcher_t *m;
+
+ if (re)
+ m = M(sdb_object_create("name-matcher", name_type,
+ NULL, name));
+ else
+ m = M(sdb_object_create("name-matcher", name_type,
+ name, NULL));
+
+ if (! m)
+ return NULL;
+
+ NAME_M(m)->obj_type = type;
+ return m;
+} /* sdb_store_name_matcher */
+
+sdb_store_matcher_t *
+sdb_store_attr_matcher(const char *name, const char *value, _Bool re)
+{
+ if (! name)
+ return NULL;
+
+ if (re)
+ return M(sdb_object_create("attr-matcher", attr_type,
+ name, NULL, value));
return M(sdb_object_create("attr-matcher", attr_type,
- attr_name, attr_name_re, attr_value, attr_value_re));
+ name, value, NULL));
} /* sdb_store_attr_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_lt_matcher(sdb_store_cond_t *cond)
+{
+ return M(sdb_object_create("lt-matcher", cond_type,
+ MATCHER_LT, cond));
+} /* sdb_store_lt_matcher */
+
+sdb_store_matcher_t *
+sdb_store_le_matcher(sdb_store_cond_t *cond)
+{
+ return M(sdb_object_create("le-matcher", cond_type,
+ MATCHER_LE, cond));
+} /* sdb_store_le_matcher */
+
+sdb_store_matcher_t *
+sdb_store_eq_matcher(sdb_store_cond_t *cond)
{
- return M(sdb_object_create("service-matcher", service_type,
- service_name, service_name_re, attr_matcher));
-} /* sdb_store_service_matcher */
+ return M(sdb_object_create("eq-matcher", cond_type,
+ MATCHER_EQ, cond));
+} /* sdb_store_eq_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_ge_matcher(sdb_store_cond_t *cond)
{
- 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("ge-matcher", cond_type,
+ MATCHER_GE, cond));
+} /* sdb_store_ge_matcher */
+
+sdb_store_matcher_t *
+sdb_store_gt_matcher(sdb_store_cond_t *cond)
+{
+ return M(sdb_object_create("gt-matcher", cond_type,
+ MATCHER_GT, cond));
+} /* sdb_store_gt_matcher */
+
+static sdb_store_matcher_t *
+parse_attr_cmp(const char *attr, const char *op, const sdb_data_t *value)
+{
+ sdb_store_matcher_t *(*matcher)(sdb_store_cond_t *) = NULL;
+ sdb_store_matcher_t *m;
+ sdb_store_cond_t *cond;
+ _Bool inv = 0;
+
+ /* TODO: this will reject any attributes called "name";
+ * use a different syntax for querying objects by name */
+ if (! strcasecmp(attr, "name"))
+ return NULL;
+
+ if (! strcasecmp(op, "<"))
+ matcher = sdb_store_lt_matcher;
+ else if (! strcasecmp(op, "<="))
+ matcher = sdb_store_le_matcher;
+ else if (! strcasecmp(op, "="))
+ matcher = sdb_store_eq_matcher;
+ else if (! strcasecmp(op, ">="))
+ matcher = sdb_store_ge_matcher;
+ else if (! strcasecmp(op, ">"))
+ matcher = sdb_store_gt_matcher;
+ else if (! strcasecmp(op, "!=")) {
+ matcher = sdb_store_eq_matcher;
+ inv = 1;
+ }
+ else
+ return NULL;
+
+ cond = sdb_store_attr_cond(attr, value);
+ if (! cond)
+ return NULL;
+
+ m = matcher(cond);
+ /* pass ownership to 'm' or destroy in case of an error */
+ sdb_object_deref(SDB_OBJ(cond));
+ if (! m)
+ return NULL;
+
+ if (inv) {
+ sdb_store_matcher_t *tmp;
+ tmp = sdb_store_inv_matcher(m);
+ /* pass ownership to the inverse matcher */
+ sdb_object_deref(SDB_OBJ(m));
+ m = tmp;
+ }
+ return m;
+} /* parse_attr_cmp */
sdb_store_matcher_t *
sdb_store_matcher_parse_cmp(const char *obj_type, const char *attr,
- const char *op, const char *value)
+ const char *op, const sdb_data_t *value)
{
- int typ = -1;
- int inv = 0;
+ int type = -1;
+ _Bool inv = 0;
+ _Bool re = 0;
sdb_store_matcher_t *m = NULL;
- const char *matcher = NULL;
- const char *matcher_re = NULL;
-
if (! strcasecmp(obj_type, "host"))
- typ = SDB_HOST;
+ type = SDB_HOST;
else if (! strcasecmp(obj_type, "service"))
- typ = SDB_SERVICE;
+ type = SDB_SERVICE;
else if (! strcasecmp(obj_type, "attribute"))
- typ = SDB_ATTRIBUTE;
+ type = SDB_ATTRIBUTE;
+ else
+ return NULL;
- /* TODO: support other operators */
+ /* XXX: this code sucks! */
if (! strcasecmp(op, "=")) {
- matcher = value;
+ /* nothing to do */
}
else if (! strcasecmp(op, "!=")) {
- matcher = value;
inv = 1;
}
else if (! strcasecmp(op, "=~")) {
- matcher_re = value;
+ re = 1;
}
else if (! strcasecmp(op, "!~")) {
- matcher_re = value;
inv = 1;
+ re = 1;
}
+ else if (type == SDB_ATTRIBUTE)
+ return parse_attr_cmp(attr, op, value);
else
return NULL;
- if (! strcasecmp(attr, "name")) {
- /* accept */
- }
- else if (typ == SDB_ATTRIBUTE)
- m = sdb_store_host_matcher(/* name = */ NULL, NULL,
- /* service = */ NULL,
- sdb_store_attr_matcher(attr, NULL, matcher, matcher_re));
- else
+ if (value->type != SDB_TYPE_STRING) {
+ if (type == SDB_ATTRIBUTE)
+ return parse_attr_cmp(attr, op, value);
return NULL;
-
- if (m) {
- /* accept the attribute value matcher */
}
- else if (typ == SDB_HOST)
- m = sdb_store_host_matcher(matcher, matcher_re, NULL, NULL);
- else if (typ == SDB_SERVICE)
- m = sdb_store_host_matcher(/* name = */ NULL, NULL,
- sdb_store_service_matcher(matcher, matcher_re, NULL),
- /* attr = */ NULL);
- else if (typ == SDB_ATTRIBUTE)
- m = sdb_store_host_matcher(/* name = */ NULL, NULL,
- /* service = */ NULL,
- sdb_store_attr_matcher(matcher, matcher_re, NULL, NULL));
+
+ if (! strcasecmp(attr, "name"))
+ m = sdb_store_name_matcher(type, value->data.string, re);
+ else if (type == SDB_ATTRIBUTE)
+ m = sdb_store_attr_matcher(attr, value->data.string, re);
if (! m)
return NULL;
- /* pass ownership to the host matcher */
- sdb_object_deref(SDB_OBJ(HOST_M(m)->service));
- sdb_object_deref(SDB_OBJ(HOST_M(m)->attr));
-
if (inv) {
sdb_store_matcher_t *tmp;
tmp = sdb_store_inv_matcher(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)
{
+ if (obj->type != SDB_HOST)
+ 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, HOST(obj));
} /* sdb_store_matcher_matches */
char *