| OLD | NEW |
| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ | 5 #ifndef CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ |
| 6 #define CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ | 6 #define CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 | 12 |
| 13 namespace net { | 13 namespace net { |
| 14 class DnsClient; | 14 class DnsClient; |
| 15 class DnsResponse; | 15 class DnsResponse; |
| 16 class DnsTransaction; | 16 class DnsTransaction; |
| 17 } | 17 } |
| 18 | 18 |
| 19 namespace chrome_browser_net { | 19 namespace chrome_browser_net { |
| 20 | 20 |
| 21 // Runs DNS probes using a single DnsClient and evaluates the responses. | 21 // Runs DNS probes using a single DnsClient and evaluates the responses. |
| 22 // (Currently requests A records for google.com and expects at least one IP | 22 // (Currently requests A records for google.com and expects at least one IP |
| 23 // address in the response.) | 23 // address in the response.) |
| 24 // Used by DnsProbeService to probe the system and public DNS configurations. | 24 // Used by DnsProbeService to probe the system and public DNS configurations. |
| 25 class DnsProbeRunner { | 25 class DnsProbeRunner { |
| 26 public: | 26 public: |
| 27 static const char* kKnownGoodHostname; | 27 static const char kKnownGoodHostname[]; |
| 28 | 28 |
| 29 // Used in histograms; add new entries at the bottom, and don't remove any. | 29 // Used in histograms; add new entries at the bottom, and don't remove any. |
| 30 enum Result { | 30 enum Result { |
| 31 UNKNOWN, | 31 UNKNOWN, |
| 32 CORRECT, // Response contains at least one A record. | 32 CORRECT, // Response contains at least one A record. |
| 33 INCORRECT, // Response claimed success but included no A records. | 33 INCORRECT, // Response claimed success but included no A records. |
| 34 FAILING, // Response included an error or was malformed. | 34 FAILING, // Response included an error or was malformed. |
| 35 UNREACHABLE // No response received (timeout, network unreachable, etc.). | 35 UNREACHABLE // No response received (timeout, network unreachable, etc.). |
| 36 }; | 36 }; |
| 37 | 37 |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 76 Result result_; | 76 Result result_; |
| 77 | 77 |
| 78 base::WeakPtrFactory<DnsProbeRunner> weak_factory_; | 78 base::WeakPtrFactory<DnsProbeRunner> weak_factory_; |
| 79 | 79 |
| 80 DISALLOW_COPY_AND_ASSIGN(DnsProbeRunner); | 80 DISALLOW_COPY_AND_ASSIGN(DnsProbeRunner); |
| 81 }; | 81 }; |
| 82 | 82 |
| 83 } // namespace chrome_browser_net | 83 } // namespace chrome_browser_net |
| 84 | 84 |
| 85 #endif // CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ | 85 #endif // CHROME_BROWSER_NET_DNS_PROBE_RUNNER_H_ |
| OLD | NEW |