Cert - protobufs to serialize and deserialize CertVerifierCache.

net/cert/cert_verifier_cache_persister.h

+// Copyright (c) 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.
+
+// CertVerifierCachePersister maintains an in memory database containing the
+// list of hosts whose cerificates have been verified. This singleton object
+// deals with writing that data out to disk as needed and loading it at startup.
+//
+// At startup we need to load the certificate verification results from the
+// disk and we deserialize the data and then pouplate
+// MultiThreadedCertVerifier's cache.
+//
+// At shutdown, we serialize MultiThreadedCertVerifier's cache and then write
+// that data to disk.
+
+#ifndef NET_CERT_CERT_VERIFIER_CACHE_PERSISTER_H_
+#define NET_CERT_CERT_VERIFIER_CACHE_PERSISTER_H_
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "net/base/net_export.h"
+#include "net/cert/multi_threaded_cert_verifier.h"
+
+namespace net {
+
+class CertVerificationRequestParams;
+class CertVerificationCachedResult;
+class CertVerificationCacheValidityPeriod;
+
+class NET_EXPORT_PRIVATE CertVerifierCachePersister {
+ public:
+  CertVerifierCachePersister(MultiThreadedCertVerifier* verifier);
+  ~CertVerifierCachePersister();
+
+  // Recursively iterate over this |verifier_|'s |cache_| and all children and
+  // write the hierarchical structure into |data|.
+  void SerializeCache(std::string* data);
+
+  // Populates MultiThreadedCertVerifier's |cache_|. Returns true if the |data|
+  // is deserialized correctly.
+  bool LoadCache(const std::string& data);
+
+ private:
+  // Update |proto_request_param| with data from |verifier_->cache_|'s

[Ryan Sleevi, 2016/04/16 00:36:15]

Doesn't seem like you need these as private methods; they don't access any
instance data. Instead, they should be part of the unnamed namespace of the .cc

[ramant (doing other things), 2016/04/21 16:41:54]

Done.

+  // RequestParams.
+  void SerializeRequestParams(
+      MultiThreadedCertVerifier::CertVerifierCacheIterator& cache_iterator,
+      CertVerificationRequestParams* proto_request_param);
+
+  // Update |proto_cached_result| with data from |verifier_->cache_|'s
+  // CachedResult.
+  void SerializeCachedResult(
+      MultiThreadedCertVerifier::CertVerifierCacheIterator& cache_iterator,
+      CertVerificationCachedResult* proto_cached_result);
+
+  // Update |proto_cache_validity_period| with data from |verifier_->cache_|'s
+  // ValidityPeriod.
+  void SerializeValidityPeriod(
+      MultiThreadedCertVerifier::CertVerifierCacheIterator& cache_iterator,
+      CertVerificationCacheValidityPeriod* proto_cache_validity_period);
+
+  // Updates |request_params| with data from |proto_request_params|. Returns
+  // true if it is deserialized correctly.
+  bool DeserializeRequestParams(
+      const CertVerificationRequestParams& proto_request_params,
+      MultiThreadedCertVerifier::RequestParams* request_params);
+
+  // Updates |expiration| with data from |proto_cache_validity_period|. Returns
+  // true if it is deserialized correctly.
+  bool DeserializeValidityPeriod(
+      const CertVerificationCacheValidityPeriod& proto_cache_validity_period,
+      const std::string& hostname,
+      MultiThreadedCertVerifier::CacheValidityPeriod* expiration);
+
+  // Updates |request_params| with data from |proto_request_params|. Returns
+  // true if it is deserialized correctly.
+  bool DeserializeCachedResult(
+      const CertVerificationCachedResult& proto_cached_result,
+      const std::string& hostname,
+      MultiThreadedCertVerifier::CachedResult* cached_result);
+
+  // |verifier_| whose |cache_| will be serialized/deserialized.
+  MultiThreadedCertVerifier* verifier_;
+
+  DISALLOW_COPY_AND_ASSIGN(CertVerifierCachePersister);
+};
+
+}  // namespace net
+
+#endif  // NET_CERT_CERT_VERIFIER_CACHE_PERSISTER_H_