return *id1 > *id2;
}
-struct blob_attr **ubus_parse_msg(struct blob_attr *msg)
+static struct blob_attr **ubus_parse_msg(struct blob_attr *msg)
{
blob_parse(msg, attrbuf, ubus_policy, UBUS_ATTR_MAX);
return attrbuf;
return writev(ctx->sock.fd, iov, 2);
}
-int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
- struct blob_attr *msg, int cmd, uint32_t peer)
+static int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
+ struct blob_attr *msg, int cmd, uint32_t peer)
{
memset(req, 0, sizeof(*req));
}
}
+struct ubus_lookup_request {
+ struct ubus_request req;
+ ubus_lookup_handler_t cb;
+};
+
+static void ubus_lookup_cb(struct ubus_request *ureq, int type, struct blob_attr *msg)
+{
+ struct ubus_lookup_request *req;
+ struct ubus_object_data obj;
+ struct blob_attr **attr;
+
+ req = container_of(ureq, struct ubus_lookup_request, req);
+ attr = ubus_parse_msg(msg);
+
+ if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_OBJPATH] ||
+ !attr[UBUS_ATTR_OBJTYPE])
+ return;
+
+ memset(&obj, 0, sizeof(obj));
+ obj.id = blob_get_int32(attr[UBUS_ATTR_OBJID]);
+ obj.path = blob_data(attr[UBUS_ATTR_OBJPATH]);
+ obj.type_id = blob_get_int32(attr[UBUS_ATTR_OBJTYPE]);
+ obj.signature = attr[UBUS_ATTR_SIGNATURE];
+ req->cb(ureq->ctx, &obj, ureq->priv);
+}
+
+int ubus_lookup(struct ubus_context *ctx, const char *path,
+ ubus_lookup_handler_t cb, void *priv)
+{
+ struct ubus_lookup_request lookup;
+
+ blob_buf_init(&b, 0);
+ if (path)
+ blob_put_string(&b, UBUS_ATTR_OBJPATH, path);
+ ubus_start_request(ctx, &lookup.req, b.head, UBUS_MSG_LOOKUP, 0);
+ lookup.req.raw_data_cb = ubus_lookup_cb;
+ lookup.req.priv = priv;
+ lookup.cb = cb;
+ return ubus_complete_request(ctx, &lookup.req);
+}
+
+static void ubus_lookup_id_cb(struct ubus_request *req, int type, struct blob_attr *msg)
+{
+ struct blob_attr **attr;
+ uint32_t *id = req->priv;
+
+ attr = ubus_parse_msg(msg);
+
+ if (!attr[UBUS_ATTR_OBJID])
+ return;
+
+ *id = blob_get_int32(attr[UBUS_ATTR_OBJID]);
+}
+
+int ubus_lookup_id(struct ubus_context *ctx, const char *path, uint32_t *id)
+{
+ struct ubus_request req;
+
+ blob_buf_init(&b, 0);
+ if (path)
+ blob_put_string(&b, UBUS_ATTR_OBJPATH, path);
+ ubus_start_request(ctx, &req, b.head, UBUS_MSG_LOOKUP, 0);
+ req.raw_data_cb = ubus_lookup_id_cb;
+ req.priv = id;
+
+ return ubus_complete_request(ctx, &req);
+}
+
int ubus_send_reply(struct ubus_context *ctx, struct ubus_request_data *req,
struct blob_attr *msg)
{
blob_buf_init(&b, 0);
blob_put_int32(&b, UBUS_ATTR_OBJID, obj);
blob_put_string(&b, UBUS_ATTR_METHOD, method);
- blob_put(&b, UBUS_ATTR_DATA, blob_data(msg), blob_len(msg));
+ if (msg)
+ blob_put(&b, UBUS_ATTR_DATA, blob_data(msg), blob_len(msg));
ubus_start_request(ctx, req, b.head, UBUS_MSG_INVOKE, obj);
}
goto error;
ctx->sock.fd = usock(USOCK_UNIX, path, NULL);
- if (ctx->sock.fd < 0) {
- DPRINTF("Failed to connect to server\n");
+ if (ctx->sock.fd < 0)
goto error_free;
- }
+
ctx->sock.cb = ubus_handle_data;
- if (read(ctx->sock.fd, &hdr, sizeof(hdr)) != sizeof(hdr)) {
- DPRINTF("Failed to read initial message data\n");
+ if (read(ctx->sock.fd, &hdr, sizeof(hdr)) != sizeof(hdr))
goto error_close;
- }
- if (!ubus_validate_hdr(&hdr.hdr)) {
- DPRINTF("Failed to validate initial message header\n");
+ if (!ubus_validate_hdr(&hdr.hdr))
goto error_close;
- }
- if (hdr.hdr.type != UBUS_MSG_HELLO) {
- DPRINTF("Unexpected initial message\n");
+ if (hdr.hdr.type != UBUS_MSG_HELLO)
goto error_close;
- }
buf = calloc(1, blob_raw_len(&hdr.data));
if (!buf)
goto error_close;
memcpy(buf, &hdr.data, sizeof(hdr.data));
- if (read(ctx->sock.fd, blob_data(buf), blob_len(buf)) != blob_len(buf)) {
- DPRINTF("Failed to retrieve initial message data\n");
+ if (read(ctx->sock.fd, blob_data(buf), blob_len(buf)) != blob_len(buf))
goto error_free_buf;
- }
ctx->local_id = hdr.hdr.peer;
free(buf);
INIT_LIST_HEAD(&ctx->requests);
avl_init(&ctx->objects, ubus_cmp_id, false, NULL);
- if (!ctx->local_id) {
- DPRINTF("Failed to get local peer id\n");
+ if (!ctx->local_id)
goto error_close;
- }
return ctx;