| // |
| // Copyright (C) 2011 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #ifndef SHILL_RESOLVER_H_ |
| #define SHILL_RESOLVER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include <base/files/file_path.h> |
| #include <base/lazy_instance.h> |
| #include <base/memory/ref_counted.h> |
| |
| #include "shill/refptr_types.h" |
| |
| namespace shill { |
| |
| // This provides a static function for dumping the DNS information out |
| // of an ipconfig into a "resolv.conf" formatted file. |
| class Resolver { |
| public: |
| // The default comma-separated list of search-list prefixes that |
| // should be ignored when writing out a DNS configuration. These |
| // are usually preconfigured by a DHCP server and are not of real |
| // value to the user. This will release DNS bandwidth for searches |
| // we expect will have a better chance of getting what the user is |
| // looking for. |
| static const char kDefaultIgnoredSearchList[]; |
| |
| virtual ~Resolver(); |
| |
| // Since this is a singleton, use Resolver::GetInstance()->Foo(). |
| static Resolver* GetInstance(); |
| |
| virtual void set_path(const base::FilePath& path) { path_ = path; } |
| |
| // Install domain name service parameters, given a list of |
| // DNS servers in |dns_servers|, and a list of DNS search suffixes in |
| // |domain_search|. |
| virtual bool SetDNSFromLists(const std::vector<std::string>& dns_servers, |
| const std::vector<std::string>& domain_search); |
| |
| // Remove any created domain name service file. |
| virtual bool ClearDNS(); |
| |
| // Sets the list of ignored DNS search suffixes. This list will be used |
| // to filter the domain_search parameter of later SetDNSFromLists() calls. |
| virtual void set_ignored_search_list( |
| const std::vector<std::string>& ignored_list) { |
| ignored_search_list_ = ignored_list; |
| } |
| |
| protected: |
| Resolver(); |
| |
| private: |
| friend struct base::DefaultLazyInstanceTraits<Resolver>; |
| friend class ResolverTest; |
| |
| base::FilePath path_; |
| std::vector<std::string> ignored_search_list_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Resolver); |
| }; |
| |
| } // namespace shill |
| |
| #endif // SHILL_RESOLVER_H_ |