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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-17 07:11:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-17 07:11:12 +0000 |
commit | b72837827d9290c7ec50b9e4b9e1a0f194ddccca (patch) | |
tree | 8df663325413d0f92086d740638555de6b779df7 /include/dnsjit/core/object/null.lua | |
parent | Adding upstream version 1.1.0+debian. (diff) | |
download | dnsjit-be78963741e5f69dc1ef588ab7370152b98ef8bc.tar.xz dnsjit-be78963741e5f69dc1ef588ab7370152b98ef8bc.zip |
Adding upstream version 1.2.1.upstream/1.2.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/dnsjit/core/object/null.lua')
-rw-r--r-- | include/dnsjit/core/object/null.lua | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/dnsjit/core/object/null.lua b/include/dnsjit/core/object/null.lua new file mode 100644 index 0000000..e6dfc5d --- /dev/null +++ b/include/dnsjit/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 |