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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 #include "net/ssl/ssl_client_session_cache.h" | 5 #include "net/ssl/ssl_client_session_cache.h" |
| 6 | 6 |
| 7 #include <openssl/ssl.h> |
| 8 |
| 7 #include <utility> | 9 #include <utility> |
| 8 | 10 |
| 9 #include "base/memory/memory_coordinator_client_registry.h" | 11 #include "base/memory/memory_coordinator_client_registry.h" |
| 10 #include "base/time/clock.h" | 12 #include "base/time/clock.h" |
| 11 #include "base/time/default_clock.h" | 13 #include "base/time/default_clock.h" |
| 12 | 14 |
| 13 namespace net { | 15 namespace net { |
| 14 | 16 |
| 15 SSLClientSessionCache::SSLClientSessionCache(const Config& config) | 17 SSLClientSessionCache::SSLClientSessionCache(const Config& config) |
| 16 : clock_(new base::DefaultClock), | 18 : clock_(new base::DefaultClock), |
| 17 config_(config), | 19 config_(config), |
| 18 cache_(config.max_entries), | 20 cache_(config.max_entries), |
| 19 lookups_since_flush_(0) { | 21 lookups_since_flush_(0) { |
| 20 memory_pressure_listener_.reset(new base::MemoryPressureListener(base::Bind( | 22 memory_pressure_listener_.reset(new base::MemoryPressureListener(base::Bind( |
| 21 &SSLClientSessionCache::OnMemoryPressure, base::Unretained(this)))); | 23 &SSLClientSessionCache::OnMemoryPressure, base::Unretained(this)))); |
| 22 base::MemoryCoordinatorClientRegistry::GetInstance()->Register(this); | 24 base::MemoryCoordinatorClientRegistry::GetInstance()->Register(this); |
| 23 } | 25 } |
| 24 | 26 |
| 25 SSLClientSessionCache::~SSLClientSessionCache() { | 27 SSLClientSessionCache::~SSLClientSessionCache() { |
| 26 Flush(); | 28 Flush(); |
| 27 base::MemoryCoordinatorClientRegistry::GetInstance()->Unregister(this); | 29 base::MemoryCoordinatorClientRegistry::GetInstance()->Unregister(this); |
| 28 } | 30 } |
| 29 | 31 |
| 30 size_t SSLClientSessionCache::size() const { | 32 size_t SSLClientSessionCache::size() const { |
| 31 return cache_.size(); | 33 return cache_.size(); |
| 32 } | 34 } |
| 33 | 35 |
| 34 ScopedSSL_SESSION SSLClientSessionCache::Lookup(const std::string& cache_key) { | 36 bssl::UniquePtr<SSL_SESSION> SSLClientSessionCache::Lookup( |
| 37 const std::string& cache_key) { |
| 35 base::AutoLock lock(lock_); | 38 base::AutoLock lock(lock_); |
| 36 | 39 |
| 37 // Expire stale sessions. | 40 // Expire stale sessions. |
| 38 lookups_since_flush_++; | 41 lookups_since_flush_++; |
| 39 if (lookups_since_flush_ >= config_.expiration_check_count) { | 42 if (lookups_since_flush_ >= config_.expiration_check_count) { |
| 40 lookups_since_flush_ = 0; | 43 lookups_since_flush_ = 0; |
| 41 FlushExpiredSessions(); | 44 FlushExpiredSessions(); |
| 42 } | 45 } |
| 43 | 46 |
| 44 CacheEntryMap::iterator iter = cache_.Get(cache_key); | 47 CacheEntryMap::iterator iter = cache_.Get(cache_key); |
| 45 if (iter == cache_.end()) | 48 if (iter == cache_.end()) |
| 46 return nullptr; | 49 return nullptr; |
| 47 if (IsExpired(iter->second.get(), clock_->Now())) { | 50 if (IsExpired(iter->second.get(), clock_->Now())) { |
| 48 cache_.Erase(iter); | 51 cache_.Erase(iter); |
| 49 return nullptr; | 52 return nullptr; |
| 50 } | 53 } |
| 51 | 54 |
| 52 SSL_SESSION* session = iter->second->session.get(); | 55 SSL_SESSION* session = iter->second->session.get(); |
| 53 SSL_SESSION_up_ref(session); | 56 SSL_SESSION_up_ref(session); |
| 54 return ScopedSSL_SESSION(session); | 57 return bssl::UniquePtr<SSL_SESSION>(session); |
| 55 } | 58 } |
| 56 | 59 |
| 57 void SSLClientSessionCache::Insert(const std::string& cache_key, | 60 void SSLClientSessionCache::Insert(const std::string& cache_key, |
| 58 SSL_SESSION* session) { | 61 SSL_SESSION* session) { |
| 59 base::AutoLock lock(lock_); | 62 base::AutoLock lock(lock_); |
| 60 | 63 |
| 61 // Make a new entry. | 64 // Make a new entry. |
| 62 std::unique_ptr<CacheEntry> entry(new CacheEntry); | 65 std::unique_ptr<CacheEntry> entry(new CacheEntry); |
| 63 SSL_SESSION_up_ref(session); | 66 SSL_SESSION_up_ref(session); |
| 64 entry->session.reset(session); | 67 entry->session.reset(session); |
| (...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 127 break; | 130 break; |
| 128 case base::MemoryState::SUSPENDED: | 131 case base::MemoryState::SUSPENDED: |
| 129 // Note: Not supported at present. Fall through. | 132 // Note: Not supported at present. Fall through. |
| 130 case base::MemoryState::UNKNOWN: | 133 case base::MemoryState::UNKNOWN: |
| 131 NOTREACHED(); | 134 NOTREACHED(); |
| 132 break; | 135 break; |
| 133 } | 136 } |
| 134 } | 137 } |
| 135 | 138 |
| 136 } // namespace net | 139 } // namespace net |
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