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https://github.com/kidfromjupiter/nearby.git
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jsobczak
319e5abea4
The decoder allows us to parse incoming Nearby Presence advertisements. PiperOrigin-RevId: 465146528
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_H_
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#define THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_H_
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#include <string>
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#include <vector>
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#include "absl/status/status.h"
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#include "absl/status/statusor.h"
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#include "third_party/nearby/presence/advertisement_factory.h"
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#include "third_party/nearby/presence/data_element.h"
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#include "third_party/nearby/presence/implementation/credential_manager.h"
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#include "third_party/nearby/presence/presence_identity.h"
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namespace nearby {
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namespace presence {
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// Decodes BLE NP advertisements
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class AdvertisementDecoder {
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public:
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explicit AdvertisementDecoder(CredentialManager* credential_manager)
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: credential_manager_(*ABSL_DIE_IF_NULL(credential_manager)) {}
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// Returns a list of Data Elements decoded from the advertisement.
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// Returns an error if the advertisement is misformatted or if it couldn't be
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// decrypted.
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absl::StatusOr<std::vector<DataElement>> DecodeAdvertisement(
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absl::string_view advertisement);
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private:
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CredentialManager& credential_manager_;
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};
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} // namespace presence
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_DECODER_H_
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