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Unified Diff: net/quic/crypto/quic_compressed_certs_cache.h

Issue 2193073003: Move shared files in net/quic/ into net/quic/core/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: io_thread_unittest.cc Created 4 years, 5 months ago
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Index: net/quic/crypto/quic_compressed_certs_cache.h
diff --git a/net/quic/crypto/quic_compressed_certs_cache.h b/net/quic/crypto/quic_compressed_certs_cache.h
deleted file mode 100644
index fe120f6bff64f2262fb203c1936a4abe06798302..0000000000000000000000000000000000000000
--- a/net/quic/crypto/quic_compressed_certs_cache.h
+++ /dev/null
@@ -1,108 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_QUIC_CRYPTO_QUIC_COMPRESSED_CERTS_CACHE_H_
-#define NET_QUIC_CRYPTO_QUIC_COMPRESSED_CERTS_CACHE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/containers/mru_cache.h"
-#include "base/memory/ref_counted.h"
-#include "net/quic/crypto/proof_source.h"
-
-namespace net {
-
-// QuicCompressedCertsCache is a cache to track most recently compressed certs.
-class NET_EXPORT_PRIVATE QuicCompressedCertsCache {
- public:
- explicit QuicCompressedCertsCache(int64_t max_num_certs);
- ~QuicCompressedCertsCache();
-
- // Returns the pointer to the cached compressed cert if
- // |chain, client_common_set_hashes, client_cached_cert_hashes| hits cache.
- // Otherwise, return nullptr.
- // Returned pointer might become invalid on the next call to Insert().
- const std::string* GetCompressedCert(
- const scoped_refptr<ProofSource::Chain>& chain,
- const std::string& client_common_set_hashes,
- const std::string& client_cached_cert_hashes);
-
- // Inserts the specified
- // |chain, client_common_set_hashes,
- // client_cached_cert_hashes, compressed_cert| tuple to the cache.
- // If the insertion causes the cache to become overfull, entries will
- // be deleted in an LRU order to make room.
- void Insert(const scoped_refptr<ProofSource::Chain>& chain,
- const std::string& client_common_set_hashes,
- const std::string& client_cached_cert_hashes,
- const std::string& compressed_cert);
-
- // Returns max number of cache entries the cache can carry.
- size_t MaxSize();
-
- // Returns current number of cache entries in the cache.
- size_t Size();
-
- // Default size of the QuicCompressedCertsCache per server side investigation.
- static const size_t kQuicCompressedCertsCacheSize = 225;
-
- private:
- // A wrapper of the tuple:
- // |chain, client_common_set_hashes, client_cached_cert_hashes|
- // to identify uncompressed representation of certs.
- struct UncompressedCerts {
- UncompressedCerts();
- UncompressedCerts(const scoped_refptr<ProofSource::Chain>& chain,
- const std::string* client_common_set_hashes,
- const std::string* client_cached_cert_hashes);
- ~UncompressedCerts();
-
- const scoped_refptr<ProofSource::Chain> chain;
- const std::string* client_common_set_hashes;
- const std::string* client_cached_cert_hashes;
- };
-
- // Certs stored by QuicCompressedCertsCache where uncompressed certs data is
- // used to identify the uncompressed representation of certs and
- // |compressed_cert| is the cached compressed representation.
- class CachedCerts {
- public:
- CachedCerts();
- CachedCerts(const UncompressedCerts& uncompressed_certs,
- const std::string& compressed_cert);
- CachedCerts(const CachedCerts& other);
-
- ~CachedCerts();
-
- // Returns true if the |uncompressed_certs| matches uncompressed
- // representation of this cert.
- bool MatchesUncompressedCerts(
- const UncompressedCerts& uncompressed_certs) const;
-
- const std::string* compressed_cert() const;
-
- private:
- // Uncompressed certs data.
- scoped_refptr<ProofSource::Chain> chain_;
- const std::string client_common_set_hashes_;
- const std::string client_cached_cert_hashes_;
-
- // Cached compressed representation derived from uncompressed certs.
- const std::string compressed_cert_;
- };
-
- // Computes a uint64_t hash for |uncompressed_certs|.
- uint64_t ComputeUncompressedCertsHash(
- const UncompressedCerts& uncompressed_certs);
-
- // Key is a unit64_t hash for UncompressedCerts. Stored associated value is
- // CachedCerts which has both original uncompressed certs data and the
- // compressed representation of the certs.
- base::MRUCache<uint64_t, CachedCerts> certs_cache_;
-};
-
-} // namespace net
-
-#endif // NET_QUIC_CRYPTO_QUIC_COMPRESSED_CERTS_CACHE_H_
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