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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 <stddef.h> |
| 9 #include <stdint.h> |
| 10 |
8 #include <map> | 11 #include <map> |
9 | 12 |
10 #include "base/basictypes.h" | 13 #include "base/macros.h" |
11 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
12 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
13 #include "base/threading/non_thread_safe.h" | 16 #include "base/threading/non_thread_safe.h" |
14 #include "base/time/time.h" | 17 #include "base/time/time.h" |
15 #include "net/base/ip_address_number.h" | 18 #include "net/base/ip_address_number.h" |
16 #include "net/base/net_export.h" | 19 #include "net/base/net_export.h" |
17 #include "net/base/network_change_notifier.h" | 20 #include "net/base/network_change_notifier.h" |
18 #include "net/dns/host_cache.h" | 21 #include "net/dns/host_cache.h" |
19 #include "net/dns/host_resolver.h" | 22 #include "net/dns/host_resolver.h" |
20 #include "net/dns/host_resolver_proc.h" | 23 #include "net/dns/host_resolver_proc.h" |
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85 | 88 |
86 // Maximum number retry attempts to resolve the hostname. | 89 // Maximum number retry attempts to resolve the hostname. |
87 // Pass HostResolver::kDefaultRetryAttempts to choose a default value. | 90 // Pass HostResolver::kDefaultRetryAttempts to choose a default value. |
88 size_t max_retry_attempts; | 91 size_t max_retry_attempts; |
89 | 92 |
90 // This is the limit after which we make another attempt to resolve the host | 93 // This is the limit after which we make another attempt to resolve the host |
91 // if the worker thread has not responded yet. | 94 // if the worker thread has not responded yet. |
92 base::TimeDelta unresponsive_delay; | 95 base::TimeDelta unresponsive_delay; |
93 | 96 |
94 // Factor to grow |unresponsive_delay| when we re-re-try. | 97 // Factor to grow |unresponsive_delay| when we re-re-try. |
95 uint32 retry_factor; | 98 uint32_t retry_factor; |
96 }; | 99 }; |
97 | 100 |
98 // Creates a HostResolver as specified by |options|. | 101 // Creates a HostResolver as specified by |options|. |
99 // | 102 // |
100 // If Options.enable_caching is true, a cache is created using | 103 // If Options.enable_caching is true, a cache is created using |
101 // HostCache::CreateDefaultCache(). Otherwise no cache is used. | 104 // HostCache::CreateDefaultCache(). Otherwise no cache is used. |
102 // | 105 // |
103 // Options.GetDispatcherLimits() determines the maximum number of jobs that | 106 // Options.GetDispatcherLimits() determines the maximum number of jobs that |
104 // the resolver will run at once. This upper-bounds the total number of | 107 // the resolver will run at once. This upper-bounds the total number of |
105 // outstanding DNS transactions (not counting retransmissions and retries). | 108 // outstanding DNS transactions (not counting retransmissions and retries). |
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300 base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_; | 303 base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_; |
301 | 304 |
302 base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_; | 305 base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_; |
303 | 306 |
304 DISALLOW_COPY_AND_ASSIGN(HostResolverImpl); | 307 DISALLOW_COPY_AND_ASSIGN(HostResolverImpl); |
305 }; | 308 }; |
306 | 309 |
307 } // namespace net | 310 } // namespace net |
308 | 311 |
309 #endif // NET_DNS_HOST_RESOLVER_IMPL_H_ | 312 #endif // NET_DNS_HOST_RESOLVER_IMPL_H_ |
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