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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef NET_DNS_HOST_RESOLVER_IMPL_H_ | 5 #ifndef NET_DNS_HOST_RESOLVER_IMPL_H_ |
| 6 #define NET_DNS_HOST_RESOLVER_IMPL_H_ | 6 #define NET_DNS_HOST_RESOLVER_IMPL_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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| 122 // not pre-configured with a valid DnsConfig, a new config is fetched from | 122 // not pre-configured with a valid DnsConfig, a new config is fetched from |
| 123 // NetworkChangeNotifier. | 123 // NetworkChangeNotifier. |
| 124 void SetDnsClient(scoped_ptr<DnsClient> dns_client); | 124 void SetDnsClient(scoped_ptr<DnsClient> dns_client); |
| 125 | 125 |
| 126 // HostResolver methods: | 126 // HostResolver methods: |
| 127 virtual int Resolve(const RequestInfo& info, | 127 virtual int Resolve(const RequestInfo& info, |
| 128 RequestPriority priority, | 128 RequestPriority priority, |
| 129 AddressList* addresses, | 129 AddressList* addresses, |
| 130 const CompletionCallback& callback, | 130 const CompletionCallback& callback, |
| 131 RequestHandle* out_req, | 131 RequestHandle* out_req, |
| 132 const BoundNetLog& source_net_log) OVERRIDE; | 132 const BoundNetLog& source_net_log) override; |
| 133 virtual int ResolveFromCache(const RequestInfo& info, | 133 virtual int ResolveFromCache(const RequestInfo& info, |
| 134 AddressList* addresses, | 134 AddressList* addresses, |
| 135 const BoundNetLog& source_net_log) OVERRIDE; | 135 const BoundNetLog& source_net_log) override; |
| 136 virtual void CancelRequest(RequestHandle req) OVERRIDE; | 136 virtual void CancelRequest(RequestHandle req) override; |
| 137 virtual void SetDefaultAddressFamily(AddressFamily address_family) OVERRIDE; | 137 virtual void SetDefaultAddressFamily(AddressFamily address_family) override; |
| 138 virtual AddressFamily GetDefaultAddressFamily() const OVERRIDE; | 138 virtual AddressFamily GetDefaultAddressFamily() const override; |
| 139 virtual void SetDnsClientEnabled(bool enabled) OVERRIDE; | 139 virtual void SetDnsClientEnabled(bool enabled) override; |
| 140 virtual HostCache* GetHostCache() OVERRIDE; | 140 virtual HostCache* GetHostCache() override; |
| 141 virtual base::Value* GetDnsConfigAsValue() const OVERRIDE; | 141 virtual base::Value* GetDnsConfigAsValue() const override; |
| 142 | 142 |
| 143 void set_proc_params_for_test(const ProcTaskParams& proc_params) { | 143 void set_proc_params_for_test(const ProcTaskParams& proc_params) { |
| 144 proc_params_ = proc_params; | 144 proc_params_ = proc_params; |
| 145 } | 145 } |
| 146 | 146 |
| 147 private: | 147 private: |
| 148 friend class HostResolverImplTest; | 148 friend class HostResolverImplTest; |
| 149 class Job; | 149 class Job; |
| 150 class ProcTask; | 150 class ProcTask; |
| 151 class LoopbackProbeJob; | 151 class LoopbackProbeJob; |
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| 213 // Aborts all in progress DnsTasks. In-progress jobs will fall back to | 213 // Aborts all in progress DnsTasks. In-progress jobs will fall back to |
| 214 // ProcTasks. Might start new jobs, if any jobs were taking up two dispatcher | 214 // ProcTasks. Might start new jobs, if any jobs were taking up two dispatcher |
| 215 // slots. | 215 // slots. |
| 216 void AbortDnsTasks(); | 216 void AbortDnsTasks(); |
| 217 | 217 |
| 218 // Attempts to serve each Job in |jobs_| from the HOSTS file if we have | 218 // Attempts to serve each Job in |jobs_| from the HOSTS file if we have |
| 219 // a DnsClient with a valid DnsConfig. | 219 // a DnsClient with a valid DnsConfig. |
| 220 void TryServingAllJobsFromHosts(); | 220 void TryServingAllJobsFromHosts(); |
| 221 | 221 |
| 222 // NetworkChangeNotifier::IPAddressObserver: | 222 // NetworkChangeNotifier::IPAddressObserver: |
| 223 virtual void OnIPAddressChanged() OVERRIDE; | 223 virtual void OnIPAddressChanged() override; |
| 224 | 224 |
| 225 // NetworkChangeNotifier::DNSObserver: | 225 // NetworkChangeNotifier::DNSObserver: |
| 226 virtual void OnDNSChanged() OVERRIDE; | 226 virtual void OnDNSChanged() override; |
| 227 | 227 |
| 228 // True if have a DnsClient with a valid DnsConfig. | 228 // True if have a DnsClient with a valid DnsConfig. |
| 229 bool HaveDnsConfig() const; | 229 bool HaveDnsConfig() const; |
| 230 | 230 |
| 231 // Called when a host name is successfully resolved and DnsTask was run on it | 231 // Called when a host name is successfully resolved and DnsTask was run on it |
| 232 // and resulted in |net_error|. | 232 // and resulted in |net_error|. |
| 233 void OnDnsTaskResolve(int net_error); | 233 void OnDnsTaskResolve(int net_error); |
| 234 | 234 |
| 235 // Allows the tests to catch slots leaking out of the dispatcher. One | 235 // Allows the tests to catch slots leaking out of the dispatcher. One |
| 236 // HostResolverImpl::Job could occupy multiple PrioritizedDispatcher job | 236 // HostResolverImpl::Job could occupy multiple PrioritizedDispatcher job |
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| 290 base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_; | 290 base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_; |
| 291 | 291 |
| 292 base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_; | 292 base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_; |
| 293 | 293 |
| 294 DISALLOW_COPY_AND_ASSIGN(HostResolverImpl); | 294 DISALLOW_COPY_AND_ASSIGN(HostResolverImpl); |
| 295 }; | 295 }; |
| 296 | 296 |
| 297 } // namespace net | 297 } // namespace net |
| 298 | 298 |
| 299 #endif // NET_DNS_HOST_RESOLVER_IMPL_H_ | 299 #endif // NET_DNS_HOST_RESOLVER_IMPL_H_ |
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