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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-13 07:54:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-13 07:54:12 +0000 |
commit | 4754ed45b607e82450a5e31fea1da3ba61433b04 (patch) | |
tree | 3554490bdc003e6004f605abe41929cdf98b0651 /src/core/object/null.lua | |
parent | Initial commit. (diff) | |
download | dnsjit-4754ed45b607e82450a5e31fea1da3ba61433b04.tar.xz dnsjit-4754ed45b607e82450a5e31fea1da3ba61433b04.zip |
Adding upstream version 1.1.0+debian.upstream/1.1.0+debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/core/object/null.lua | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/core/object/null.lua b/src/core/object/null.lua new file mode 100644 index 0000000..e6dfc5d --- /dev/null +++ b/src/core/object/null.lua @@ -0,0 +1,72 @@ +-- Copyright (c) 2018-2021, OARC, Inc. +-- All rights reserved. +-- +-- This file is part of dnsjit. +-- +-- dnsjit is free software: you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation, either version 3 of the License, or +-- (at your option) any later version. +-- +-- dnsjit is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with dnsjit. If not, see <http://www.gnu.org/licenses/>. + +-- dnsjit.core.object.null +-- BSD loopback encapsulation (null) part of a packet +-- +-- The null part of a packet that usually can be found in the object chain +-- after parsing with, for example, Layer filter. +-- .SS Attributes +-- .TP +-- family +-- The link-layer header describing what type of packet is encapsulated. +module(...,package.seeall) + +require("dnsjit.core.object.null_h") +local ffi = require("ffi") +local C = ffi.C + +local t_name = "core_object_null_t" +local core_object_null_t +local Null = {} + +-- Return the textual type of the object. +function Null:type() + return "null" +end + +-- Return the previous object. +function Null:prev() + return self.obj_prev +end + +-- Cast the object to the underlining object module and return it. +function Null:cast() + return self +end + +-- Cast the object to the generic object module and return it. +function Null:uncast() + return ffi.cast("core_object_t*", self) +end + +-- Make a copy of the object and return it. +function Null:copy() + return C.core_object_null_copy(self) +end + +-- Free the object, should only be used on copies or otherwise allocated. +function Null:free() + C.core_object_null_free(self) +end + +core_object_null_t = ffi.metatype(t_name, { __index = Null }) + +-- dnsjit.core.object (3), +-- dnsjit.filter.layer (3) +return Null |