debloat and reorganize code
[project/procd.git] / service / validate.c
diff --git a/service/validate.c b/service/validate.c
new file mode 100644 (file)
index 0000000..ca9bb39
--- /dev/null
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <libubox/blobmsg_json.h>
+#include <libubox/avl-cmp.h>
+
+#include "../procd.h"
+
+#include "service.h"
+
+enum {
+       SERVICE_VAL_PACKAGE,
+       SERVICE_VAL_TYPE,
+       SERVICE_VAL_DATA,
+       __SERVICE_VAL_MAX
+};
+
+static const struct blobmsg_policy service_validate_attrs[__SERVICE_VAL_MAX] = {
+       [SERVICE_VAL_PACKAGE] = { "package", BLOBMSG_TYPE_STRING },
+       [SERVICE_VAL_TYPE] = { "type", BLOBMSG_TYPE_STRING },
+       [SERVICE_VAL_DATA] = { "data", BLOBMSG_TYPE_TABLE },
+};
+
+static struct avl_tree validators;
+
+void
+service_validate_dump_all(struct blob_buf *b, char *p, char *s)
+{
+       struct json_object *r = json_object_new_object();
+       struct validate *v;
+
+       if (!r)
+               return;
+
+       avl_for_each_element(&validators, v, avl) {
+               struct json_object *o, *t;
+               struct vrule *vr;
+
+               if (p && strcmp(p, v->package))
+                       continue;
+
+               if (s && strcmp(s, v->type))
+                       continue;
+
+               o = json_object_object_get(r, v->package);
+               if (!o) {
+                       o = json_object_new_object();
+                       json_object_object_add(r, v->package, o);
+               }
+               t = json_object_object_get(o, v->type);
+               if (!t) {
+                       t = json_object_new_object();
+                       json_object_object_add(o, v->type, t);
+               }
+               avl_for_each_element(&v->rules, vr, avl)
+                       json_object_object_add(t, vr->option, json_object_new_string(vr->rule));
+       }
+       blobmsg_add_object(b, r);
+}
+
+void
+service_validate_dump(struct blob_buf *b, struct service *s)
+{
+       struct validate *v;
+       void *i = blobmsg_open_array(b, "validate");
+
+        list_for_each_entry(v, &s->validators, list) {
+               struct vrule *vr;
+               void *k, *j = blobmsg_open_table(b, "validate");
+
+               blobmsg_add_string(b, "package", v->package);
+                blobmsg_add_string(b, "type", v->type);
+               k = blobmsg_open_table(b, "rules");
+               avl_for_each_element(&v->rules, vr, avl)
+                       blobmsg_add_string(b, vr->option, vr->rule);
+               blobmsg_close_table(b, k);
+               blobmsg_close_table(b, j);
+       }
+       blobmsg_close_array(b, i);
+}
+
+void
+service_validate_del(struct service *s)
+{
+       struct validate *v, *n;
+
+       if (list_empty(&s->validators))
+               return;
+
+        list_for_each_entry_safe(v, n, &s->validators, list) {
+               struct vrule *vr, *a;
+
+               avl_for_each_element_safe(&v->rules, vr, avl, a) {
+                       avl_delete(&v->rules, &vr->avl);
+                       free(vr);
+               }
+               avl_delete(&validators, &v->avl);
+               list_del(&v->list);
+               free(v);
+       }
+}
+
+void
+service_validate_add(struct service *s, struct blob_attr *msg)
+{
+       struct blob_attr *tb[__SERVICE_VAL_MAX];
+       struct validate *v;
+       char *type, *package;
+       struct blob_attr *cur;
+       int rem;
+
+       blobmsg_parse(service_validate_attrs, __SERVICE_VAL_MAX, tb, blobmsg_data(msg), blobmsg_data_len(msg));
+       if (!tb[SERVICE_VAL_PACKAGE] || !tb[SERVICE_VAL_TYPE] || !tb[SERVICE_VAL_DATA])
+               return;
+
+       v = calloc_a(sizeof(*v), &package, blobmsg_data_len(tb[SERVICE_VAL_PACKAGE]) + 1,
+                        &type, blobmsg_data_len(tb[SERVICE_VAL_TYPE]) + 1);
+       if (!v)
+               return;
+
+       v->type = type;
+       v->avl.key = v->package = package;
+       strcpy(v->package, blobmsg_get_string(tb[SERVICE_VAL_PACKAGE]));
+       strcpy(v->type, blobmsg_get_string(tb[SERVICE_VAL_TYPE]));
+
+       list_add(&v->list, &s->validators);
+       if (avl_insert(&validators, &v->avl)) {
+               free(v);
+               return;
+       }
+       avl_init(&v->rules, avl_strcmp, false, NULL);
+
+       blobmsg_for_each_attr(cur, tb[SERVICE_VAL_DATA], rem) {
+               char *option;
+               char *rule;
+               struct vrule *vr = calloc_a(sizeof(*vr), &option, strlen(blobmsg_name(cur)) + 1,
+                       &rule, strlen(blobmsg_get_string(cur)) + 1);
+
+               vr->avl.key = vr->option = option;
+               vr->rule = rule;
+               strcpy(vr->option, blobmsg_name(cur));
+               strcpy(vr->rule, blobmsg_get_string(cur));
+               if (avl_insert(&v->rules, &vr->avl))
+                       free(vr);
+       }
+}
+
+void
+service_validate_init(void)
+{
+       avl_init(&validators, avl_strcmp, true, NULL);
+}