Merging upstream version 1.2.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

src/input/zero.lua

@@ -17,59 +17,15 @@
 -- along with dnsjit.  If not, see <http://www.gnu.org/licenses/>.
 
 -- dnsjit.input.zero
--- Generate empty objects (/dev/zero)
---   local input = require("dnsjit.input.zero").new()
---   input:receiver(filter_or_output)
---   input:run(1e6)
+-- Dummy layer to example.input.zero
 --
--- Input module for generating empty
--- .I core.object.null
--- objects, mostly used for testing.
+-- This module has moved to example.input.zero, see examples/modules/input-example in
+-- dnsjit source repository.
 module(...,package.seeall)
 
-require("dnsjit.input.zero_h")
-local ffi = require("ffi")
-local C = ffi.C
-
-local t_name = "input_zero_t"
-local input_zero_t = ffi.typeof(t_name)
-local Zero = {}
-
--- Create a new Zero input.
-function Zero.new()
-    local self = {
-        _receiver = nil,
-        obj = input_zero_t(),
-    }
-    C.input_zero_init(self.obj)
-    ffi.gc(self.obj, C.input_zero_destroy)
-    return setmetatable(self, { __index = Zero })
+ok, cls = pcall(require, "example.input.zero")
+if not ok then
+    error("You need to install the example module input-example\n" .. cls)
 end
 
--- Return the Log object to control logging of this instance or module.
-function Zero:log()
-    if self == nil then
-        return C.input_zero_log()
-    end
-    return self.obj._log
-end
-
--- Set the receiver to pass objects to.
-function Zero:receiver(o)
-    self.obj.recv, self.obj.ctx = o:receive()
-    self._receiver = o
-end
-
--- Return the C functions and context for producing objects.
-function Zero:produce()
-    return C.input_zero_producer(), self.obj
-end
-
--- Generate
--- .I num
--- empty objects and send them to the receiver.
-function Zero:run(num)
-    C.input_zero_run(self.obj, num)
-end
-
-return Zero
+return cls