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nearby/presence/implementation/advertisement_decoder_rust_impl.h
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2024-05-08 14:39:28 -07:00

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
#ifndef THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_RUST_IMPL_H_
#define THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_RUST_IMPL_H_
#include <vector>
#include "absl/container/flat_hash_map.h"
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "nearby_protocol.h"
#include "presence/implementation/advertisement_decoder.h"
namespace nearby {
namespace presence {
// Implements the Rust backed parsing and decrypting of advertisement bytes
class AdvertisementDecoderImpl : public AdvertisementDecoder {
public:
AdvertisementDecoderImpl() : cred_book_(InitializeCredentialBook(nullptr)) {}
explicit AdvertisementDecoderImpl(
absl::flat_hash_map<nearby::internal::IdentityType,
std::vector<internal::SharedCredential>>*
credentials_map)
: cred_book_(InitializeCredentialBook(credentials_map)) {}
absl::StatusOr<Advertisement> DecodeAdvertisement(
absl::string_view advertisement) override;
private:
nearby_protocol::CredentialBook InitializeCredentialBook(
absl::flat_hash_map<nearby::internal::IdentityType,
std::vector<::nearby::internal::SharedCredential>>*
credentials_map);
nearby_protocol::CredentialBook cred_book_;
};
} // namespace presence
} // namespace nearby
#endif // THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_IMPL_H_