C++ (Cpp) ubus_parse_msg Examples

Example #1

File: libubus-req.c Project: tcdog001/trunk_project

static void req_data_cb(struct ubus_request *req, int type, struct blob_attr *data)
{
	struct blob_attr **attr;

	if (req->raw_data_cb)
		req->raw_data_cb(req, type, data);

	if (!req->data_cb)
		return;

	attr = ubus_parse_msg(data);
	req->data_cb(req, type, attr[UBUS_ATTR_DATA]);
}

Example #2

File: libubus-obj.c Project: rockdragon/ubus

static void ubus_remove_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
{
	struct ubus_object *obj = req->priv;
	struct blob_attr **attrbuf = ubus_parse_msg(msg);

	if (!attrbuf[UBUS_ATTR_OBJID])
		return;

	obj->id = 0;

	if (attrbuf[UBUS_ATTR_OBJTYPE] && obj->type)
		obj->type->id = 0;

	avl_delete(&req->ctx->objects, &obj->avl);
}

Example #3

File: libubus-obj.c Project: rockdragon/ubus

static void ubus_add_object_cb(struct ubus_request *req, int type, struct blob_attr *msg)
{
	struct ubus_object *obj = req->priv;
	struct blob_attr **attrbuf = ubus_parse_msg(msg);

	if (!attrbuf[UBUS_ATTR_OBJID])
		return;

	obj->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);

	if (attrbuf[UBUS_ATTR_OBJTYPE])
		obj->type->id = blob_get_u32(attrbuf[UBUS_ATTR_OBJTYPE]);

	obj->avl.key = &obj->id;
	avl_insert(&req->ctx->objects, &obj->avl);
}

Example #4

File: libubus-obj.c Project: rockdragon/ubus

static void
ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr,
		    struct ubus_object *obj, struct blob_attr **attrbuf)
{
	printf("-> [obj] ubus_process_invoke\n");

	struct ubus_request_data req = {
		.fd = -1,
	};
	int method;
	int ret;
	bool no_reply = false;

	if (!obj) {
		ret = UBUS_STATUS_NOT_FOUND;
		goto send;
	}

	if (!attrbuf[UBUS_ATTR_METHOD]) {
		ret = UBUS_STATUS_INVALID_ARGUMENT;
		goto send;
	}

	if (attrbuf[UBUS_ATTR_NO_REPLY])
		no_reply = blob_get_int8(attrbuf[UBUS_ATTR_NO_REPLY]);

	req.peer = hdr->peer;
	req.seq = hdr->seq;
	req.object = obj->id;
	if (attrbuf[UBUS_ATTR_USER] && attrbuf[UBUS_ATTR_GROUP]) {
		req.acl.user = blobmsg_get_string(attrbuf[UBUS_ATTR_USER]);
		req.acl.group = blobmsg_get_string(attrbuf[UBUS_ATTR_GROUP]);
		req.acl.object = obj->name;
	}
	for (method = 0; method < obj->n_methods; method++)
		if (!obj->methods[method].name ||
		    !strcmp(obj->methods[method].name,
		            blob_data(attrbuf[UBUS_ATTR_METHOD])))
			goto found;

	/* not found */
	ret = UBUS_STATUS_METHOD_NOT_FOUND;
	goto send;

found:
	ret = obj->methods[method].handler(ctx, obj, &req,
					   blob_data(attrbuf[UBUS_ATTR_METHOD]),
					   attrbuf[UBUS_ATTR_DATA]);
	if (req.deferred || no_reply)
		return;

send:
	ubus_complete_deferred_request(ctx, &req, ret);
}

void __hidden ubus_process_obj_msg(struct ubus_context *ctx, struct ubus_msghdr_buf *buf)
{
	void (*cb)(struct ubus_context *, struct ubus_msghdr *,
		   struct ubus_object *, struct blob_attr **);
	struct ubus_msghdr *hdr = &buf->hdr;
	struct blob_attr **attrbuf;
	struct ubus_object *obj;
	uint32_t objid;
	void *prev_data = NULL;

	attrbuf = ubus_parse_msg(buf->data);
	if (!attrbuf[UBUS_ATTR_OBJID])
		return;

	objid = blob_get_u32(attrbuf[UBUS_ATTR_OBJID]);
	obj = avl_find_element(&ctx->objects, &objid, obj, avl);

	switch (hdr->type) {
	case UBUS_MSG_INVOKE:
		cb = ubus_process_invoke;
		break;
	case UBUS_MSG_UNSUBSCRIBE:
		cb = ubus_process_unsubscribe;
		break;
	case UBUS_MSG_NOTIFY:
		cb = ubus_process_notify;
		break;
	default:
		return;
	}

	if (buf == &ctx->msgbuf) {
		prev_data = buf->data;
		buf->data = NULL;
	}

	cb(ctx, hdr, obj, attrbuf);

	if (prev_data) {
		if (buf->data)
			free(prev_data);
		else
			buf->data = prev_data;
	}
}