Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(29)

Side by Side Diff: net/dns/host_cache.h

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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_CACHE_H_ 5 #ifndef NET_DNS_HOST_CACHE_H_
6 #define NET_DNS_HOST_CACHE_H_ 6 #define NET_DNS_HOST_CACHE_H_
7 7
8 #include <functional> 8 #include <functional>
9 #include <string> 9 #include <string>
10 10
(...skipping 21 matching lines...) Expand all
32 bool has_ttl() const { return ttl >= base::TimeDelta(); } 32 bool has_ttl() const { return ttl >= base::TimeDelta(); }
33 33
34 // The resolve results for this entry. 34 // The resolve results for this entry.
35 int error; 35 int error;
36 AddressList addrlist; 36 AddressList addrlist;
37 // TTL obtained from the nameserver. Negative if unknown. 37 // TTL obtained from the nameserver. Negative if unknown.
38 base::TimeDelta ttl; 38 base::TimeDelta ttl;
39 }; 39 };
40 40
41 struct Key { 41 struct Key {
42 Key(const std::string& hostname, AddressFamily address_family, 42 Key(const std::string& hostname,
43 AddressFamily address_family,
43 HostResolverFlags host_resolver_flags) 44 HostResolverFlags host_resolver_flags)
44 : hostname(hostname), 45 : hostname(hostname),
45 address_family(address_family), 46 address_family(address_family),
46 host_resolver_flags(host_resolver_flags) {} 47 host_resolver_flags(host_resolver_flags) {}
47 48
48 bool operator<(const Key& other) const { 49 bool operator<(const Key& other) const {
49 // |address_family| and |host_resolver_flags| are compared before 50 // |address_family| and |host_resolver_flags| are compared before
50 // |hostname| under assumption that integer comparisons are faster than 51 // |hostname| under assumption that integer comparisons are faster than
51 // string comparisons. 52 // string comparisons.
52 if (address_family != other.address_family) 53 if (address_family != other.address_family)
53 return address_family < other.address_family; 54 return address_family < other.address_family;
54 if (host_resolver_flags != other.host_resolver_flags) 55 if (host_resolver_flags != other.host_resolver_flags)
55 return host_resolver_flags < other.host_resolver_flags; 56 return host_resolver_flags < other.host_resolver_flags;
56 return hostname < other.hostname; 57 return hostname < other.hostname;
57 } 58 }
58 59
59 std::string hostname; 60 std::string hostname;
60 AddressFamily address_family; 61 AddressFamily address_family;
61 HostResolverFlags host_resolver_flags; 62 HostResolverFlags host_resolver_flags;
62 }; 63 };
63 64
64 struct EvictionHandler { 65 struct EvictionHandler {
65 void Handle(const Key& key, 66 void Handle(const Key& key,
66 const Entry& entry, 67 const Entry& entry,
67 const base::TimeTicks& expiration, 68 const base::TimeTicks& expiration,
68 const base::TimeTicks& now, 69 const base::TimeTicks& now,
69 bool onGet) const; 70 bool onGet) const;
70 }; 71 };
71 72
72 typedef ExpiringCache<Key, Entry, base::TimeTicks, 73 typedef ExpiringCache<Key,
74 Entry,
75 base::TimeTicks,
73 std::less<base::TimeTicks>, 76 std::less<base::TimeTicks>,
74 EvictionHandler> EntryMap; 77 EvictionHandler> EntryMap;
75 78
76 // Constructs a HostCache that stores up to |max_entries|. 79 // Constructs a HostCache that stores up to |max_entries|.
77 explicit HostCache(size_t max_entries); 80 explicit HostCache(size_t max_entries);
78 81
79 ~HostCache(); 82 ~HostCache();
80 83
81 // Returns a pointer to the entry for |key|, which is valid at time 84 // Returns a pointer to the entry for |key|, which is valid at time
82 // |now|. If there is no such entry, returns NULL. 85 // |now|. If there is no such entry, returns NULL.
(...skipping 18 matching lines...) Expand all
101 104
102 const EntryMap& entries() const; 105 const EntryMap& entries() const;
103 106
104 // Creates a default cache. 107 // Creates a default cache.
105 static scoped_ptr<HostCache> CreateDefaultCache(); 108 static scoped_ptr<HostCache> CreateDefaultCache();
106 109
107 private: 110 private:
108 FRIEND_TEST_ALL_PREFIXES(HostCacheTest, NoCache); 111 FRIEND_TEST_ALL_PREFIXES(HostCacheTest, NoCache);
109 112
110 // Returns true if this HostCache can contain no entries. 113 // Returns true if this HostCache can contain no entries.
111 bool caching_is_disabled() const { 114 bool caching_is_disabled() const { return entries_.max_entries() == 0; }
112 return entries_.max_entries() == 0;
113 }
114 115
115 // Map from hostname (presumably in lowercase canonicalized format) to 116 // Map from hostname (presumably in lowercase canonicalized format) to
116 // a resolved result entry. 117 // a resolved result entry.
117 EntryMap entries_; 118 EntryMap entries_;
118 119
119 DISALLOW_COPY_AND_ASSIGN(HostCache); 120 DISALLOW_COPY_AND_ASSIGN(HostCache);
120 }; 121 };
121 122
122 } // namespace net 123 } // namespace net
123 124
124 #endif // NET_DNS_HOST_CACHE_H_ 125 #endif // NET_DNS_HOST_CACHE_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698