| // Copyright 2012 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Utility methods for handling the Ticl persistent state. |
| |
| #ifndef GOOGLE_CACHEINVALIDATION_IMPL_PERSISTENCE_UTILS_H_ |
| #define GOOGLE_CACHEINVALIDATION_IMPL_PERSISTENCE_UTILS_H_ |
| |
| #include <string> |
| |
| #include "google/cacheinvalidation/include/system-resources.h" |
| #include "google/cacheinvalidation/deps/digest-function.h" |
| #include "google/cacheinvalidation/impl/client-protocol-namespace-fix.h" |
| #include "google/cacheinvalidation/impl/log-macro.h" |
| |
| namespace invalidation { |
| |
| class PersistenceUtils { |
| public: |
| /* Serializes a Ticl state blob. */ |
| static void SerializeState( |
| PersistentTiclState state, DigestFunction* digest_fn, string* result); |
| |
| /* Deserializes a Ticl state blob. Returns whether the parsed state could be |
| * parsed. |
| */ |
| static bool DeserializeState( |
| Logger* logger, const string& state_blob_bytes, DigestFunction* digest_fn, |
| PersistentTiclState* ticl_state); |
| |
| /* Returns a message authentication code over state. */ |
| static string GenerateMac( |
| const PersistentTiclState& state, DigestFunction* digest_fn); |
| |
| private: |
| PersistenceUtils() { |
| // Prevent instantiation. |
| } |
| }; // class PersistenceUtils |
| |
| } // namespace invalidation |
| |
| #endif // GOOGLE_CACHEINVALIDATION_IMPL_PERSISTENCE_UTILS_H_ |