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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H | 5 #ifndef NET_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H |
| 6 #define NET_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H | 6 #define NET_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H |
| 7 | 7 |
| 8 #include <openssl/ssl.h> | 8 #include <openssl/ssl.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 | 10 |
| 11 #include <memory> |
| 11 #include <string> | 12 #include <string> |
| 12 | 13 |
| 13 #include "base/containers/mru_cache.h" | 14 #include "base/containers/mru_cache.h" |
| 14 #include "base/macros.h" | 15 #include "base/macros.h" |
| 15 #include "base/memory/scoped_ptr.h" | |
| 16 #include "base/synchronization/lock.h" | 16 #include "base/synchronization/lock.h" |
| 17 #include "base/threading/thread_checker.h" | 17 #include "base/threading/thread_checker.h" |
| 18 #include "base/time/time.h" | 18 #include "base/time/time.h" |
| 19 #include "net/base/net_export.h" | 19 #include "net/base/net_export.h" |
| 20 #include "net/ssl/scoped_openssl_types.h" | 20 #include "net/ssl/scoped_openssl_types.h" |
| 21 | 21 |
| 22 namespace base { | 22 namespace base { |
| 23 class Clock; | 23 class Clock; |
| 24 } | 24 } |
| 25 | 25 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 46 ScopedSSL_SESSION Lookup(const std::string& cache_key); | 46 ScopedSSL_SESSION Lookup(const std::string& cache_key); |
| 47 | 47 |
| 48 // Inserts |session| into the cache at |cache_key|. If there is an existing | 48 // Inserts |session| into the cache at |cache_key|. If there is an existing |
| 49 // one, it is released. Every |expiration_check_count| calls, the cache is | 49 // one, it is released. Every |expiration_check_count| calls, the cache is |
| 50 // checked for stale entries. | 50 // checked for stale entries. |
| 51 void Insert(const std::string& cache_key, SSL_SESSION* session); | 51 void Insert(const std::string& cache_key, SSL_SESSION* session); |
| 52 | 52 |
| 53 // Removes all entries from the cache. | 53 // Removes all entries from the cache. |
| 54 void Flush(); | 54 void Flush(); |
| 55 | 55 |
| 56 void SetClockForTesting(scoped_ptr<base::Clock> clock); | 56 void SetClockForTesting(std::unique_ptr<base::Clock> clock); |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 struct CacheEntry { | 59 struct CacheEntry { |
| 60 CacheEntry(); | 60 CacheEntry(); |
| 61 ~CacheEntry(); | 61 ~CacheEntry(); |
| 62 | 62 |
| 63 ScopedSSL_SESSION session; | 63 ScopedSSL_SESSION session; |
| 64 // The time at which this entry was created. | 64 // The time at which this entry was created. |
| 65 base::Time creation_time; | 65 base::Time creation_time; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 using CacheEntryMap = | 68 using CacheEntryMap = |
| 69 base::HashingMRUCache<std::string, scoped_ptr<CacheEntry>>; | 69 base::HashingMRUCache<std::string, std::unique_ptr<CacheEntry>>; |
| 70 | 70 |
| 71 // Returns true if |entry| is expired as of |now|. | 71 // Returns true if |entry| is expired as of |now|. |
| 72 bool IsExpired(CacheEntry* entry, const base::Time& now); | 72 bool IsExpired(CacheEntry* entry, const base::Time& now); |
| 73 | 73 |
| 74 // Removes all expired sessions from the cache. | 74 // Removes all expired sessions from the cache. |
| 75 void FlushExpiredSessions(); | 75 void FlushExpiredSessions(); |
| 76 | 76 |
| 77 scoped_ptr<base::Clock> clock_; | 77 std::unique_ptr<base::Clock> clock_; |
| 78 Config config_; | 78 Config config_; |
| 79 CacheEntryMap cache_; | 79 CacheEntryMap cache_; |
| 80 size_t lookups_since_flush_; | 80 size_t lookups_since_flush_; |
| 81 | 81 |
| 82 // TODO(davidben): After https://crbug.com/458365 is fixed, replace this with | 82 // TODO(davidben): After https://crbug.com/458365 is fixed, replace this with |
| 83 // a ThreadChecker. The session cache should be single-threaded like other | 83 // a ThreadChecker. The session cache should be single-threaded like other |
| 84 // classes in net. | 84 // classes in net. |
| 85 base::Lock lock_; | 85 base::Lock lock_; |
| 86 | 86 |
| 87 DISALLOW_COPY_AND_ASSIGN(SSLClientSessionCacheOpenSSL); | 87 DISALLOW_COPY_AND_ASSIGN(SSLClientSessionCacheOpenSSL); |
| 88 }; | 88 }; |
| 89 | 89 |
| 90 } // namespace net | 90 } // namespace net |
| 91 | 91 |
| 92 #endif // NET_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H | 92 #endif // NET_SSL_SSL_CLIENT_SESSION_CACHE_OPENSSL_H |
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