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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_BASE_DNSRR_RESOLVER_H_ | 5 #ifndef NET_BASE_DNSRR_RESOLVER_H_ |
| 6 #define NET_BASE_DNSRR_RESOLVER_H_ | 6 #define NET_BASE_DNSRR_RESOLVER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <map> | 9 #include <map> |
| 10 #include <string> | 10 #include <string> |
| 11 #include <utility> | 11 #include <utility> |
| 12 #include <vector> | 12 #include <vector> |
| 13 | 13 |
| 14 #include "base/basictypes.h" | 14 #include "base/basictypes.h" |
| 15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 16 #include "base/threading/non_thread_safe.h" | 16 #include "base/threading/non_thread_safe.h" |
| 17 #include "base/time.h" | 17 #include "base/time.h" |
| 18 #include "build/build_config.h" | 18 #include "build/build_config.h" |
| 19 #include "net/base/completion_callback.h" | 19 #include "net/base/completion_callback.h" |
| 20 #include "net/base/net_api.h" | 20 #include "net/base/net_export.h" |
| 21 #include "net/base/network_change_notifier.h" | 21 #include "net/base/network_change_notifier.h" |
| 22 | 22 |
| 23 namespace net { | 23 namespace net { |
| 24 | 24 |
| 25 // RRResponse contains the result of a successful request for a resource record. | 25 // RRResponse contains the result of a successful request for a resource record. |
| 26 struct NET_TEST RRResponse { | 26 struct NET_EXPORT_PRIVATE RRResponse { |
| 27 RRResponse(); | 27 RRResponse(); |
| 28 ~RRResponse(); | 28 ~RRResponse(); |
| 29 | 29 |
| 30 // HasExpired returns true if |fetch_time| + |ttl| is less than | 30 // HasExpired returns true if |fetch_time| + |ttl| is less than |
| 31 // |current_time|. | 31 // |current_time|. |
| 32 bool HasExpired(base::Time current_time) const; | 32 bool HasExpired(base::Time current_time) const; |
| 33 | 33 |
| 34 // For testing only | 34 // For testing only |
| 35 bool ParseFromResponse(const uint8* data, unsigned len, | 35 bool ParseFromResponse(const uint8* data, unsigned len, |
| 36 uint16 rrtype_requested); | 36 uint16 rrtype_requested); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 60 // DnsRRResolver resolves arbitary DNS resource record types. It should not be | 60 // DnsRRResolver resolves arbitary DNS resource record types. It should not be |
| 61 // confused with HostResolver and should not be used to resolve A/AAAA records. | 61 // confused with HostResolver and should not be used to resolve A/AAAA records. |
| 62 // | 62 // |
| 63 // HostResolver exists to lookup addresses and there are many details about | 63 // HostResolver exists to lookup addresses and there are many details about |
| 64 // address resolution over and above DNS (i.e. Bonjour, VPNs etc). | 64 // address resolution over and above DNS (i.e. Bonjour, VPNs etc). |
| 65 // | 65 // |
| 66 // DnsRRResolver should only be used when the data is specifically DNS data and | 66 // DnsRRResolver should only be used when the data is specifically DNS data and |
| 67 // the name is a fully qualified DNS domain. | 67 // the name is a fully qualified DNS domain. |
| 68 // | 68 // |
| 69 // A DnsRRResolver must be used from the MessageLoop which created it. | 69 // A DnsRRResolver must be used from the MessageLoop which created it. |
| 70 class NET_API DnsRRResolver : NON_EXPORTED_BASE(public base::NonThreadSafe), | 70 class NET_EXPORT DnsRRResolver |
| 71 public NetworkChangeNotifier::IPAddressObserver { | 71 : NON_EXPORTED_BASE(public base::NonThreadSafe), |
| 72 public NetworkChangeNotifier::IPAddressObserver { |
| 72 public: | 73 public: |
| 73 typedef intptr_t Handle; | 74 typedef intptr_t Handle; |
| 74 | 75 |
| 75 enum { | 76 enum { |
| 76 kInvalidHandle = 0, | 77 kInvalidHandle = 0, |
| 77 }; | 78 }; |
| 78 | 79 |
| 79 enum { | 80 enum { |
| 80 // Try harder to get a DNSSEC signed response. This doesn't mean that the | 81 // Try harder to get a DNSSEC signed response. This doesn't mean that the |
| 81 // RRResponse will always have the dnssec bit set. | 82 // RRResponse will always have the dnssec bit set. |
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| 128 uint64 inflight_joins_; | 129 uint64 inflight_joins_; |
| 129 | 130 |
| 130 bool in_destructor_; | 131 bool in_destructor_; |
| 131 | 132 |
| 132 DISALLOW_COPY_AND_ASSIGN(DnsRRResolver); | 133 DISALLOW_COPY_AND_ASSIGN(DnsRRResolver); |
| 133 }; | 134 }; |
| 134 | 135 |
| 135 } // namespace net | 136 } // namespace net |
| 136 | 137 |
| 137 #endif // NET_BASE_DNSRR_RESOLVER_H_ | 138 #endif // NET_BASE_DNSRR_RESOLVER_H_ |
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