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;
14 if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE)
17 in = calloc(1, sizeof(*in));
21 instance_init(in, s, attr);
22 vlist_add(&s->instances, &in->node, (void *) in->name);
26 service_instance_update(struct vlist_tree *tree, struct vlist_node *node_new,
27 struct vlist_node *node_old)
29 struct service_instance *in_o = NULL, *in_n = NULL;
32 in_o = container_of(node_old, struct service_instance, node);
35 in_n = container_of(node_new, struct service_instance, node);
38 DPRINTF("Update instance %s::%s\n", in_o->srv->name, in_o->name);
39 instance_update(in_o, in_n);
42 DPRINTF("Free instance %s::%s\n", in_o->srv->name, in_o->name);
43 instance_stop(in_o, false);
46 DPRINTF("Create instance %s::%s\n", in_n->srv->name, in_n->name);
51 static struct service *
52 service_alloc(const char *name)
57 s = calloc(1, sizeof(*s) + strlen(name) + 1);
59 new_name = (char *) (s + 1);
60 strcpy(new_name, name);
62 vlist_init(&s->instances, avl_strcmp, service_instance_update);
63 s->instances.keep_old = true;
73 SERVICE_SET_INSTANCES,
77 static const struct blobmsg_policy service_set_attrs[__SERVICE_SET_MAX] = {
78 [SERVICE_SET_NAME] = { "name", BLOBMSG_TYPE_STRING },
79 [SERVICE_SET_SCRIPT] = { "script", BLOBMSG_TYPE_STRING },
80 [SERVICE_SET_INSTANCES] = { "instances", BLOBMSG_TYPE_TABLE },
85 service_update(struct service *s, struct blob_attr *config, struct blob_attr **tb, bool add)
87 struct blob_attr *cur;
90 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);
97 vlist_flush(&s->instances);
104 service_delete(struct service *s)
106 vlist_flush_all(&s->instances);
107 avl_delete(&services, &s->avl);
117 static const struct blobmsg_policy service_attrs[__SERVICE_ATTR_MAX] = {
118 [SERVICE_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
122 SERVICE_DEL_ATTR_NAME,
123 SERVICE_DEL_ATTR_INSTANCE,
124 __SERVICE_DEL_ATTR_MAX,
127 static const struct blobmsg_policy service_del_attrs[__SERVICE_DEL_ATTR_MAX] = {
128 [SERVICE_DEL_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
129 [SERVICE_DEL_ATTR_INSTANCE] = { "instance", BLOBMSG_TYPE_STRING },
134 service_handle_set(struct ubus_context *ctx, struct ubus_object *obj,
135 struct ubus_request_data *req, const char *method,
136 struct blob_attr *msg)
138 struct blob_attr *tb[__SERVICE_SET_MAX], *cur;
139 struct service *s = NULL;
141 int ret = UBUS_STATUS_INVALID_ARGUMENT;
142 bool add = !strcmp(method, "add");
144 blobmsg_parse(service_set_attrs, __SERVICE_SET_MAX, tb, blob_data(msg), blob_len(msg));
145 cur = tb[SERVICE_ATTR_NAME];
149 name = blobmsg_data(cur);
151 s = avl_find_element(&services, name, s, avl);
153 DPRINTF("Update service %s\n", name);
154 return service_update(s, msg, tb, add);
157 DPRINTF("Create service %s\n", name);
158 s = service_alloc(name);
160 return UBUS_STATUS_UNKNOWN_ERROR;
162 ret = service_update(s, msg, tb, add);
166 avl_insert(&services, &s->avl);
176 service_dump(struct service *s)
178 struct service_instance *in;
181 c = blobmsg_open_table(&b, s->name);
182 i = blobmsg_open_table(&b, "instances");
183 vlist_for_each_element(&s->instances, in, node)
184 instance_dump(&b, in);
185 blobmsg_close_table(&b, i);
186 blobmsg_close_table(&b, c);
190 service_handle_list(struct ubus_context *ctx, struct ubus_object *obj,
191 struct ubus_request_data *req, const char *method,
192 struct blob_attr *msg)
196 blob_buf_init(&b, 0);
197 avl_for_each_element(&services, s, avl)
200 ubus_send_reply(ctx, req, b.head);
206 service_handle_delete(struct ubus_context *ctx, struct ubus_object *obj,
207 struct ubus_request_data *req, const char *method,
208 struct blob_attr *msg)
210 struct blob_attr *tb[__SERVICE_DEL_ATTR_MAX], *cur;
211 struct service *s, *tmp;
212 struct service_instance *in;
214 blobmsg_parse(service_del_attrs, __SERVICE_DEL_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
216 cur = tb[SERVICE_DEL_ATTR_NAME];
218 avl_for_each_element_safe(&services, s, avl, tmp)
223 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
225 return UBUS_STATUS_NOT_FOUND;
227 cur = tb[SERVICE_DEL_ATTR_INSTANCE];
233 in = vlist_find(&s->instances, blobmsg_data(cur), in, node);
235 fprintf(stderr, "instance %s not found\n", (char *) blobmsg_data(cur));
236 return UBUS_STATUS_NOT_FOUND;
239 vlist_delete(&s->instances, &in->node);
245 service_handle_update(struct ubus_context *ctx, struct ubus_object *obj,
246 struct ubus_request_data *req, const char *method,
247 struct blob_attr *msg)
249 struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur;
252 blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
254 cur = tb[SERVICE_ATTR_NAME];
256 return UBUS_STATUS_INVALID_ARGUMENT;
258 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
260 return UBUS_STATUS_NOT_FOUND;
262 if (!strcmp(method, "update_start"))
263 vlist_update(&s->instances);
265 vlist_flush(&s->instances);
270 static struct ubus_method main_object_methods[] = {
271 UBUS_METHOD("set", service_handle_set, service_set_attrs),
272 UBUS_METHOD("add", service_handle_set, service_set_attrs),
273 UBUS_METHOD("list", service_handle_list, service_attrs),
274 UBUS_METHOD("delete", service_handle_delete, service_del_attrs),
275 UBUS_METHOD("update_start", service_handle_update, service_attrs),
276 UBUS_METHOD("update_complete", service_handle_update, service_attrs),
279 static struct ubus_object_type main_object_type =
280 UBUS_OBJECT_TYPE("service", main_object_methods);
282 static struct ubus_object main_object = {
284 .type = &main_object_type,
285 .methods = main_object_methods,
286 .n_methods = ARRAY_SIZE(main_object_methods),
289 void procd_init_service(struct ubus_context *ctx)
291 avl_init(&services, avl_strcmp, false, NULL);
292 ubus_add_object(ctx, &main_object);