2 * Copyright (C) 2011-2012 Felix Fietkau <nbd@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
15 #include "libubus-internal.h"
18 ubus_process_unsubscribe(struct ubus_context *ctx, struct ubus_msghdr *hdr,
19 struct ubus_object *obj, struct blob_attr **attrbuf)
21 struct ubus_subscriber *s;
23 if (!obj || !attrbuf[UBUS_ATTR_TARGET])
26 if (obj->methods != &watch_method)
29 s = container_of(obj, struct ubus_subscriber, obj);
30 s->remove_cb(ctx, s, blob_get_u32(attrbuf[UBUS_ATTR_TARGET]));
34 ubus_process_notify(struct ubus_context *ctx, struct ubus_msghdr *hdr,
35 struct ubus_object *obj, struct blob_attr **attrbuf)
37 if (!obj || !attrbuf[UBUS_ATTR_ACTIVE])
40 obj->has_subscribers = blob_get_u8(attrbuf[UBUS_ATTR_ACTIVE]);
41 if (obj->subscribe_cb)
42 obj->subscribe_cb(ctx, obj);
45 ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr,
46 struct ubus_object *obj, struct blob_attr **attrbuf)
48 struct ubus_request_data req = {};
53 ret = UBUS_STATUS_NOT_FOUND;
57 if (!attrbuf[UBUS_ATTR_METHOD]) {
58 ret = UBUS_STATUS_INVALID_ARGUMENT;
66 for (method = 0; method < obj->n_methods; method++)
67 if (!obj->methods[method].name ||
68 !strcmp(obj->methods[method].name,
69 blob_data(attrbuf[UBUS_ATTR_METHOD])))
73 ret = UBUS_STATUS_METHOD_NOT_FOUND;
77 ret = obj->methods[method].handler(ctx, obj, &req,
78 blob_data(attrbuf[UBUS_ATTR_METHOD]),
79 attrbuf[UBUS_ATTR_DATA]);
84 ubus_complete_deferred_request(ctx, &req, ret);
87 void __hidden ubus_process_obj_msg(struct ubus_context *ctx, struct ubus_msghdr *hdr)
89 void (*cb)(struct ubus_context *, struct ubus_msghdr *,
90 struct ubus_object *, struct blob_attr **);
91 struct blob_attr **attrbuf;
92 struct ubus_object *obj;
95 attrbuf = ubus_parse_msg(hdr->data);
96 if (!attrbuf[UBUS_ATTR_OBJID])
99 objid = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);
100 obj = avl_find_element(&ctx->objects, &objid, obj, avl);
103 case UBUS_MSG_INVOKE:
104 cb = ubus_process_invoke;
106 case UBUS_MSG_UNSUBSCRIBE:
107 cb = ubus_process_unsubscribe;
109 case UBUS_MSG_NOTIFY:
110 cb = ubus_process_notify;
115 cb(ctx, hdr, obj, attrbuf);
118 static void ubus_add_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
120 struct ubus_object *obj = req->priv;
121 struct blob_attr **attrbuf = ubus_parse_msg(msg);
123 if (!attrbuf[UBUS_ATTR_OBJID])
126 obj->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);
128 if (attrbuf[UBUS_ATTR_OBJTYPE])
129 obj->type->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJTYPE]);
131 obj->avl.key = &obj->id;
132 avl_insert(&req->ctx->objects, &obj->avl);
135 static void ubus_push_method_data(const struct ubus_method *m)
140 mtbl = blobmsg_open_table(&b, m->name);
142 for (i = 0; i < m->n_policy; i++)
143 blobmsg_add_u32(&b, m->policy[i].name, m->policy[i].type);
145 blobmsg_close_table(&b, mtbl);
148 static bool ubus_push_object_type(const struct ubus_object_type *type)
153 s = blob_nest_start(&b, UBUS_ATTR_SIGNATURE);
155 for (i = 0; i < type->n_methods; i++)
156 ubus_push_method_data(&type->methods[i]);
158 blob_nest_end(&b, s);
163 int ubus_add_object(struct ubus_context *ctx, struct ubus_object *obj)
165 struct ubus_request req;
168 blob_buf_init(&b, 0);
170 if (obj->name && obj->type) {
171 blob_put_string(&b, UBUS_ATTR_OBJPATH, obj->name);
174 blob_put_int32(&b, UBUS_ATTR_OBJTYPE, obj->type->id);
175 else if (!ubus_push_object_type(obj->type))
176 return UBUS_STATUS_INVALID_ARGUMENT;
179 if (ubus_start_request(ctx, &req, b.head, UBUS_MSG_ADD_OBJECT, 0) < 0)
180 return UBUS_STATUS_INVALID_ARGUMENT;
182 req.raw_data_cb = ubus_add_object_cb;
184 ret = ubus_complete_request(ctx, &req, 0);
189 return UBUS_STATUS_NO_DATA;
194 static void ubus_remove_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
196 struct ubus_object *obj = req->priv;
197 struct blob_attr **attrbuf = ubus_parse_msg(msg);
199 if (!attrbuf[UBUS_ATTR_OBJID])
204 if (attrbuf[UBUS_ATTR_OBJTYPE] && obj->type)
207 avl_delete(&req->ctx->objects, &obj->avl);
210 int ubus_remove_object(struct ubus_context *ctx, struct ubus_object *obj)
212 struct ubus_request req;
215 blob_buf_init(&b, 0);
216 blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id);
218 if (ubus_start_request(ctx, &req, b.head, UBUS_MSG_REMOVE_OBJECT, 0) < 0)
219 return UBUS_STATUS_INVALID_ARGUMENT;
221 req.raw_data_cb = ubus_remove_object_cb;
223 ret = ubus_complete_request(ctx, &req, 0);
228 return UBUS_STATUS_NO_DATA;