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- Added generic EDNS code for registering known EDNS option codes,

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bypassing the cache response stage and uniquifying mesh states. Four EDNS
  option lists were added to module_qstate (module_qstate.edns_opts_*) to
  store EDNS options from/to front/back side.
- Added two flags to module_qstate (no_cache_lookup, no_cache_store) that
  control the modules' cache interactions.
- Added code for registering inplace callback functions. The registered
  functions can be called just before replying with local data or Chaos,
  replying from cache, replying with SERVFAIL, replying with a resolved
  query, sending a query to a nameserver. The functions can inspect the
  available data and maybe change response/query related data (i.e. append
  EDNS options).
- Updated Python module for the above.
- Updated Python documentation.



git-svn-id: file:///svn/unbound/trunk@3947 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
George Thessalonikefs
2016-12-06 13:42:51 +00:00
parent 3e1ff464f1
commit 7b948b0647
59 changed files with 3393 additions and 732 deletions
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libunbound/python/doc/examples/example5.rst
+11 -6
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@@ -1,13 +1,17 @@
.. _example_resolver_only:
==============================
Resolver only
==============================
=============
This example program shows how to perform DNS resolution only.
Unbound contains two basic modules: resolver and validator.
In case, the validator is not necessary, the validator module can be turned off using "module-config" option.
This option contains a list of module names separated by the space char. This list determined which modules should be employed and in what order.
In case, the validator is not necessary, the validator module can be turned off
using "module-config" option.
This option contains a list of module names separated by the space char. This
list determined which modules should be employed and in what order.
Source code
-----------
::
@@ -25,5 +29,6 @@ This option contains a list of module names separated by the space char. This li
print "Result:", result.data.address_list
.. note::
The :meth:`unbound.ub_ctx.set_option` method must be used before the first resolution (i.e. before :meth:`unbound.ub_ctx.resolve` or :meth:`unbound.ub_ctx.resolve_async` call).
The :meth:`unbound.ub_ctx.set_option` method must be used before the first
resolution (i.e. before :meth:`unbound.ub_ctx.resolve` or
:meth:`unbound.ub_ctx.resolve_async` call).