1 #include <libubox/avl-cmp.h>
6 struct avl_tree services;
7 static struct blob_buf b;
10 service_instance_add(struct service *s, struct blob_attr *attr)
12 struct service_instance *in;
13 const char *name = blobmsg_name(attr);
15 if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE)
18 in = calloc(1, sizeof(*in));
22 instance_init(in, s, attr);
23 vlist_add(&s->instances, &in->node, (void *) name);
27 service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new,
28 struct vlist_node *node_old)
30 struct service_instance *in_o = NULL, *in_n = NULL;
33 in_o = container_of(node_old, struct service_instance, node);
36 in_n = container_of(node_new, struct service_instance, node);
39 DPRINTF("Update instance %s::%s\n", in_o->srv->name, in_o->name);
40 instance_update(in_o, in_n);
43 DPRINTF("Free instance %s::%s\n", in_o->srv->name, in_o->name);
44 instance_stop(in_o, false);
47 DPRINTF("Create instance %s::%s\n", in_n->srv->name, in_n->name);
52 static struct service *
53 service_alloc(const char *name)
58 s = calloc(1, sizeof(*s) + strlen(name) + 1);
60 new_name = (char *) s + 1;
61 strcpy(new_name, name);
63 vlist_init(&s->instances, avl_strcmp, service_instance_update);
64 s->instances.keep_old = true;
74 SERVICE_SET_INSTANCES,
78 static const struct blobmsg_policy service_set_attrs[__SERVICE_SET_MAX] = {
79 [SERVICE_SET_NAME] = { "name", BLOBMSG_TYPE_STRING },
80 [SERVICE_SET_SCRIPT] = { "script", BLOBMSG_TYPE_STRING },
81 [SERVICE_SET_INSTANCES] = { "instances", BLOBMSG_TYPE_TABLE },
86 service_update(struct service *s, struct blob_attr *config, struct blob_attr **tb)
88 struct blob_attr *cur;
91 if (tb[SERVICE_SET_INSTANCES]) {
92 vlist_update(&s->instances);
93 blobmsg_for_each_attr(cur, tb[SERVICE_SET_INSTANCES], rem) {
94 service_instance_add(s, cur);
96 vlist_flush(&s->instances);
103 service_delete(struct service *s)
105 vlist_flush_all(&s->instances);
106 avl_delete(&services, &s->avl);
116 static const struct blobmsg_policy service_attrs[__SERVICE_ATTR_MAX] = {
117 [SERVICE_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
122 service_handle_set(struct ubus_context *ctx, struct ubus_object *obj,
123 struct ubus_request_data *req, const char *method,
124 struct blob_attr *msg)
126 struct blob_attr *tb[__SERVICE_SET_MAX], *cur;
127 struct service *s = NULL;
129 int ret = UBUS_STATUS_INVALID_ARGUMENT;
131 blobmsg_parse(service_set_attrs, __SERVICE_SET_MAX, tb, blob_data(msg), blob_len(msg));
132 cur = tb[SERVICE_ATTR_NAME];
136 name = blobmsg_data(cur);
138 s = avl_find_element(&services, name, s, avl);
140 DPRINTF("Update service %s\n", name);
141 return service_update(s, msg, tb);
144 DPRINTF("Create service %s\n", name);
145 s = service_alloc(name);
147 return UBUS_STATUS_UNKNOWN_ERROR;
149 ret = service_update(s, msg, tb);
153 avl_insert(&services, &s->avl);
163 service_dump(struct service *s)
165 struct service_instance *in;
168 c = blobmsg_open_table(&b, s->name);
169 i = blobmsg_open_table(&b, "instances");
170 vlist_for_each_element(&s->instances, in, node)
171 instance_dump(&b, in);
172 blobmsg_close_table(&b, i);
173 blobmsg_close_table(&b, c);
177 service_handle_list(struct ubus_context *ctx, struct ubus_object *obj,
178 struct ubus_request_data *req, const char *method,
179 struct blob_attr *msg)
183 blob_buf_init(&b, 0);
184 avl_for_each_element(&services, s, avl)
187 ubus_send_reply(ctx, req, b.head);
193 service_handle_delete(struct ubus_context *ctx, struct ubus_object *obj,
194 struct ubus_request_data *req, const char *method,
195 struct blob_attr *msg)
197 struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur;
198 struct service *s, *tmp;
200 blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
202 cur = tb[SERVICE_ATTR_NAME];
204 avl_for_each_element_safe(&services, s, avl, tmp)
209 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
211 return UBUS_STATUS_NOT_FOUND;
218 service_handle_update(struct ubus_context *ctx, struct ubus_object *obj,
219 struct ubus_request_data *req, const char *method,
220 struct blob_attr *msg)
222 struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur;
225 blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
227 cur = tb[SERVICE_ATTR_NAME];
229 return UBUS_STATUS_INVALID_ARGUMENT;
231 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
233 return UBUS_STATUS_NOT_FOUND;
235 if (!strcmp(method, "update_start"))
236 vlist_update(&s->instances);
238 vlist_flush(&s->instances);
243 static struct ubus_method main_object_methods[] = {
244 UBUS_METHOD("set", service_handle_set, service_set_attrs),
245 UBUS_METHOD("list", service_handle_list, service_attrs),
246 UBUS_METHOD("delete", service_handle_delete, service_attrs),
247 UBUS_METHOD("update_start", service_handle_update, service_attrs),
248 UBUS_METHOD("update_complete", service_handle_update, service_attrs),
251 static struct ubus_object_type main_object_type =
252 UBUS_OBJECT_TYPE("service", main_object_methods);
254 static struct ubus_object main_object = {
256 .type = &main_object_type,
257 .methods = main_object_methods,
258 .n_methods = ARRAY_SIZE(main_object_methods),
261 void procd_init_service(struct ubus_context *ctx)
263 avl_init(&services, avl_strcmp, false, NULL);
264 ubus_add_object(ctx, &main_object);