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 },
123 service_handle_set(struct ubus_context *ctx, struct ubus_object *obj,
124 struct ubus_request_data *req, const char *method,
125 struct blob_attr *msg)
127 struct blob_attr *tb[__SERVICE_SET_MAX], *cur;
128 struct service *s = NULL;
130 int ret = UBUS_STATUS_INVALID_ARGUMENT;
131 bool add = !strcmp(method, "add");
133 blobmsg_parse(service_set_attrs, __SERVICE_SET_MAX, tb, blob_data(msg), blob_len(msg));
134 cur = tb[SERVICE_ATTR_NAME];
138 name = blobmsg_data(cur);
140 s = avl_find_element(&services, name, s, avl);
142 DPRINTF("Update service %s\n", name);
143 return service_update(s, msg, tb, add);
146 DPRINTF("Create service %s\n", name);
147 s = service_alloc(name);
149 return UBUS_STATUS_UNKNOWN_ERROR;
151 ret = service_update(s, msg, tb, add);
155 avl_insert(&services, &s->avl);
165 service_dump(struct service *s)
167 struct service_instance *in;
170 c = blobmsg_open_table(&b, s->name);
171 i = blobmsg_open_table(&b, "instances");
172 vlist_for_each_element(&s->instances, in, node)
173 instance_dump(&b, in);
174 blobmsg_close_table(&b, i);
175 blobmsg_close_table(&b, c);
179 service_handle_list(struct ubus_context *ctx, struct ubus_object *obj,
180 struct ubus_request_data *req, const char *method,
181 struct blob_attr *msg)
185 blob_buf_init(&b, 0);
186 avl_for_each_element(&services, s, avl)
189 ubus_send_reply(ctx, req, b.head);
195 service_handle_delete(struct ubus_context *ctx, struct ubus_object *obj,
196 struct ubus_request_data *req, const char *method,
197 struct blob_attr *msg)
199 struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur;
200 struct service *s, *tmp;
202 blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
204 cur = tb[SERVICE_ATTR_NAME];
206 avl_for_each_element_safe(&services, s, avl, tmp)
211 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
213 return UBUS_STATUS_NOT_FOUND;
220 service_handle_update(struct ubus_context *ctx, struct ubus_object *obj,
221 struct ubus_request_data *req, const char *method,
222 struct blob_attr *msg)
224 struct blob_attr *tb[__SERVICE_ATTR_MAX], *cur;
227 blobmsg_parse(service_attrs, __SERVICE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
229 cur = tb[SERVICE_ATTR_NAME];
231 return UBUS_STATUS_INVALID_ARGUMENT;
233 s = avl_find_element(&services, blobmsg_data(cur), s, avl);
235 return UBUS_STATUS_NOT_FOUND;
237 if (!strcmp(method, "update_start"))
238 vlist_update(&s->instances);
240 vlist_flush(&s->instances);
245 static struct ubus_method main_object_methods[] = {
246 UBUS_METHOD("set", service_handle_set, service_set_attrs),
247 UBUS_METHOD("add", service_handle_set, service_set_attrs),
248 UBUS_METHOD("list", service_handle_list, service_attrs),
249 UBUS_METHOD("delete", service_handle_delete, service_attrs),
250 UBUS_METHOD("update_start", service_handle_update, service_attrs),
251 UBUS_METHOD("update_complete", service_handle_update, service_attrs),
254 static struct ubus_object_type main_object_type =
255 UBUS_OBJECT_TYPE("service", main_object_methods);
257 static struct ubus_object main_object = {
259 .type = &main_object_type,
260 .methods = main_object_methods,
261 .n_methods = ARRAY_SIZE(main_object_methods),
264 void procd_init_service(struct ubus_context *ctx)
266 avl_init(&services, avl_strcmp, false, NULL);
267 ubus_add_object(ctx, &main_object);