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"
17 void __hidden ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr)
19 struct blob_attr **attrbuf;
20 struct ubus_request_data req = {};
21 struct ubus_object *obj;
27 attrbuf = ubus_parse_msg(hdr->data);
29 if (!attrbuf[UBUS_ATTR_OBJID])
32 req.object = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);
34 if (!attrbuf[UBUS_ATTR_METHOD]) {
35 ret = UBUS_STATUS_INVALID_ARGUMENT;
39 obj = avl_find_element(&ctx->objects, &req.object, obj, avl);
41 ret = UBUS_STATUS_NOT_FOUND;
45 for (method = 0; method < obj->n_methods; method++)
46 if (!obj->methods[method].name ||
47 !strcmp(obj->methods[method].name,
48 blob_data(attrbuf[UBUS_ATTR_METHOD])))
52 ret = UBUS_STATUS_METHOD_NOT_FOUND;
56 ret = obj->methods[method].handler(ctx, obj, &req,
57 blob_data(attrbuf[UBUS_ATTR_METHOD]),
58 attrbuf[UBUS_ATTR_DATA]);
63 ubus_complete_deferred_request(ctx, &req, ret);
66 static void ubus_add_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
68 struct ubus_object *obj = req->priv;
69 struct blob_attr **attrbuf = ubus_parse_msg(msg);
71 if (!attrbuf[UBUS_ATTR_OBJID])
74 obj->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);
76 if (attrbuf[UBUS_ATTR_OBJTYPE])
77 obj->type->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJTYPE]);
79 obj->avl.key = &obj->id;
80 avl_insert(&req->ctx->objects, &obj->avl);
83 static void ubus_push_method_data(const struct ubus_method *m)
88 mtbl = blobmsg_open_table(&b, m->name);
90 for (i = 0; i < m->n_policy; i++)
91 blobmsg_add_u32(&b, m->policy[i].name, m->policy[i].type);
93 blobmsg_close_table(&b, mtbl);
96 static bool ubus_push_object_type(const struct ubus_object_type *type)
101 s = blob_nest_start(&b, UBUS_ATTR_SIGNATURE);
103 for (i = 0; i < type->n_methods; i++)
104 ubus_push_method_data(&type->methods[i]);
106 blob_nest_end(&b, s);
111 int ubus_add_object(struct ubus_context *ctx, struct ubus_object *obj)
113 struct ubus_request req;
116 blob_buf_init(&b, 0);
118 if (obj->name && obj->type) {
119 blob_put_string(&b, UBUS_ATTR_OBJPATH, obj->name);
122 blob_put_int32(&b, UBUS_ATTR_OBJTYPE, obj->type->id);
123 else if (!ubus_push_object_type(obj->type))
124 return UBUS_STATUS_INVALID_ARGUMENT;
127 if (ubus_start_request(ctx, &req, b.head, UBUS_MSG_ADD_OBJECT, 0) < 0)
128 return UBUS_STATUS_INVALID_ARGUMENT;
130 req.raw_data_cb = ubus_add_object_cb;
132 ret = ubus_complete_request(ctx, &req, 0);
137 return UBUS_STATUS_NO_DATA;
142 static void ubus_remove_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
144 struct ubus_object *obj = req->priv;
145 struct blob_attr **attrbuf = ubus_parse_msg(msg);
147 if (!attrbuf[UBUS_ATTR_OBJID])
152 if (attrbuf[UBUS_ATTR_OBJTYPE] && obj->type)
155 avl_delete(&req->ctx->objects, &obj->avl);
158 int ubus_remove_object(struct ubus_context *ctx, struct ubus_object *obj)
160 struct ubus_request req;
163 blob_buf_init(&b, 0);
164 blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id);
166 if (ubus_start_request(ctx, &req, b.head, UBUS_MSG_REMOVE_OBJECT, 0) < 0)
167 return UBUS_STATUS_INVALID_ARGUMENT;
169 req.raw_data_cb = ubus_remove_object_cb;
171 ret = ubus_complete_request(ctx, &req, 0);
176 return UBUS_STATUS_NO_DATA;