From b72837827d9290c7ec50b9e4b9e1a0f194ddccca Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 17 Jul 2021 09:11:12 +0200
Subject: Adding upstream version 1.2.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/dnsjit/output/respdiff.lua | 94 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 include/dnsjit/output/respdiff.lua

(limited to 'include/dnsjit/output/respdiff.lua')

diff --git a/include/dnsjit/output/respdiff.lua b/include/dnsjit/output/respdiff.lua
new file mode 100644
index 0000000..7d17b4a
--- /dev/null
+++ b/include/dnsjit/output/respdiff.lua
@@ -0,0 +1,94 @@
+-- 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.output.respdiff
+-- Output to respdiff LMDB
+--   local output = require("dnsjit.output.respdiff").new("/path/to/lmdb")
+--
+-- Output to an LMDB database (format 2018-05-21) that can be used by respdiff
+-- to compare the responses found in the input data with the responses
+-- received.
+-- The receive function expects to get a chain of 2 or 3
+-- .IR core.object.payload .
+-- For a completed query; The top of the chain is the query, after it the
+-- original response and then the received response.
+-- For a timed out query; The top of the chain is the query, after it the
+-- original response.
+module(...,package.seeall)
+
+require("dnsjit.output.respdiff_h")
+local ffi = require("ffi")
+local C = ffi.C
+
+local t_name = "output_respdiff_t"
+local output_respdiff_t = ffi.typeof(t_name)
+local Respdiff = {}
+
+-- Create a new Respdiff output and created the LMDB database in the directory
+-- .IR path .
+-- The
+-- .I origname
+-- and
+-- .I recvname
+-- are used to populate the meta table, these names should be the same as
+-- what is configured in
+-- .IR respdiff.cfg .
+-- Optional
+-- .I mapsize
+-- can be given to increase the database size beyond the default size of 10MB.
+function Respdiff.new(path, origname, recvname, mapsize)
+    if mapsize == nil then
+        mapsize = 10485760
+    end
+    local self = {
+        obj = output_respdiff_t(),
+        path = path,
+        origname = origname,
+        recvname = recvname,
+    }
+    C.output_respdiff_init(self.obj, path, mapsize)
+    ffi.gc(self.obj, C.output_respdiff_destroy)
+    return setmetatable(self, { __index = Respdiff })
+end
+
+-- Return the Log object to control logging of this instance or module.
+function Respdiff:log()
+    if self == nil then
+        return C.output_respdiff_log()
+    end
+    return self.obj._log
+end
+
+-- Return the C functions and context for receiving objects.
+function Respdiff:receive()
+    return C.output_respdiff_receiver(self.obj), self.obj
+end
+
+-- Commit the LMDB transactions, can not store any more objects after this
+-- call.
+-- The given
+-- .I start_time
+-- and
+-- .I end_time
+-- are used to fill the meta table.
+function Respdiff:commit(start_time, end_time)
+    C.output_respdiff_commit(self.obj, self.origname, self.recvname, start_time, end_time)
+end
+
+-- respdiff " https://gitlab.nic.cz/knot/respdiff"
+return Respdiff
-- 
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