Added manager for DNS resolvers
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ffdeeb6609
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@ -26,6 +26,7 @@ networking/host.c networking/host_resolver.c networking/packet.c \
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networking/tun_device.c \
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pen/pen.c plugins/plugin_loader.c plugins/plugin_feature.c processing/jobs/job.c \
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processing/jobs/callback_job.c processing/processor.c processing/scheduler.c \
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resolver/resolver_manager.c \
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selectors/traffic_selector.c threading/thread.c threading/thread_value.c \
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threading/mutex.c threading/semaphore.c threading/rwlock.c threading/spinlock.c \
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utils/utils.c utils/chunk.c utils/debug.c utils/enum.c utils/identification.c \
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@ -64,7 +65,7 @@ fetcher/fetcher_manager.h eap/eap.h pen/pen.h ipsec/ipsec_types.h \
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networking/host.h networking/host_resolver.h networking/packet.h \
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networking/tun_device.h \
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resolver/resolver.h resolver/resolver_response.h resolver/rr_set.h \
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resolver/rr.h \
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resolver/rr.h resolver/resolver_manager.h \
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plugins/plugin_loader.h plugins/plugin.h plugins/plugin_feature.h \
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processing/jobs/job.h processing/jobs/callback_job.h processing/processor.h \
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processing/scheduler.h selectors/traffic_selector.h \
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@ -91,6 +91,7 @@ void library_deinit()
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this->public.crypto->destroy(this->public.crypto);
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this->public.proposal->destroy(this->public.proposal);
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this->public.fetcher->destroy(this->public.fetcher);
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this->public.resolver->destroy(this->public.resolver);
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this->public.db->destroy(this->public.db);
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this->public.printf_hook->destroy(this->public.printf_hook);
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this->objects->destroy(this->objects);
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@ -214,6 +215,7 @@ bool library_init(char *settings)
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this->public.credmgr = credential_manager_create();
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this->public.encoding = cred_encoding_create();
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this->public.fetcher = fetcher_manager_create();
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this->public.resolver = resolver_manager_create();
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this->public.db = database_factory_create();
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this->public.processor = processor_create();
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this->public.scheduler = scheduler_create();
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@ -95,6 +95,7 @@
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#include "crypto/crypto_factory.h"
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#include "crypto/proposal/proposal_keywords.h"
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#include "fetcher/fetcher_manager.h"
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#include "resolver/resolver_manager.h"
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#include "database/database_factory.h"
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#include "credentials/credential_factory.h"
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#include "credentials/credential_manager.h"
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@ -164,6 +165,11 @@ struct library_t {
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*/
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fetcher_manager_t *fetcher;
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/**
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* Manager for DNS resolvers
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*/
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resolver_manager_t *resolver;
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/**
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* database construction factory
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*/
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@ -0,0 +1,99 @@
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/*
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* Copyright (C) 2011-2012 Reto Guadagnini
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "resolver_manager.h"
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#include <utils/debug.h>
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typedef struct private_resolver_manager_t private_resolver_manager_t;
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/**
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* private data of resolver_manager
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*/
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struct private_resolver_manager_t {
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/**
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* public functions
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*/
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resolver_manager_t public;
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/**
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* constructor function to create resolver instances
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*/
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resolver_constructor_t constructor;
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};
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METHOD(resolver_manager_t, add_resolver, void,
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private_resolver_manager_t *this, resolver_constructor_t constructor)
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{
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if (!this->constructor)
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{
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this->constructor = constructor;
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}
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}
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METHOD(resolver_manager_t, remove_resolver, void,
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private_resolver_manager_t *this, resolver_constructor_t constructor)
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{
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if (this->constructor == constructor)
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{
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this->constructor = NULL;
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}
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}
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METHOD(resolver_manager_t, create, resolver_t*,
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private_resolver_manager_t *this)
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{
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char *resolv_conf;
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char *trust_anchor_file;
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resolv_conf = lib->settings->get_str(lib->settings,
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"libstrongswan.plugins.resolver."
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"resolv_conf",
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"/etc/resolv.conf");
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trust_anchor_file = lib->settings->get_str(lib->settings,
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"libstrongswan.plugins.resolver."
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"trust_anchor",
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"/etc/trust.anchors");
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return this->constructor(resolv_conf, trust_anchor_file);
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}
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METHOD(resolver_manager_t, destroy, void,
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private_resolver_manager_t *this)
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{
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free(this);
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}
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/*
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* See header
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*/
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resolver_manager_t *resolver_manager_create()
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{
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private_resolver_manager_t *this;
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INIT(this,
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.public = {
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.add_resolver = _add_resolver,
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.remove_resolver = _remove_resolver,
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.create = _create,
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.destroy = _destroy,
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},
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);
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return &this->public;
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}
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@ -0,0 +1,72 @@
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/*
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* Copyright (C) 2011-2012 Reto Guadagnini
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup resolver_manager resolver_manager
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* @{ @ingroup resolver
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*/
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#ifndef RESOLVER_MANAGER_H_
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#define RESOLVER_MANAGER_H_
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typedef struct resolver_manager_t resolver_manager_t;
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#include <resolver/resolver.h>
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/**
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* The resolver_manager manages the resolver implementations and
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* creates instances of them.
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*
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* A resolver plugin is registered by providing its constructor function
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* to the manager. The manager creates instances of the resolver plugin
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* using the registered constructor function.
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*/
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struct resolver_manager_t {
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/**
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* Register a resolver implementation.
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*
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* @param constructor resolver constructor function
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*/
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void (*add_resolver)(resolver_manager_t *this,
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resolver_constructor_t constructor);
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/**
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* Unregister a previously registered resolver implementation.
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*
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* @param constructor resolver constructor function to unregister
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*/
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void (*remove_resolver)(resolver_manager_t *this,
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resolver_constructor_t constructor);
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/**
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* Get a new resolver instance.
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*
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* @return resolver instance.
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*/
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resolver_t* (*create)(resolver_manager_t *this);
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/**
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* Destroy a resolver_manager instance.
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*/
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void (*destroy)(resolver_manager_t *this);
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};
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/**
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* Create a resolver_manager instance.
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*/
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resolver_manager_t *resolver_manager_create();
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#endif /** RESOLVER_MANAGER_H_ @}*/
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