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64 lines
2.3 KiB
C++
64 lines
2.3 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_FACTORY_H_
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#define THIRD_PARTY_NEARBY_PRESENCE_ADVERTISEMENT_FACTORY_H_
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#include <string>
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#include "absl/status/statusor.h"
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "internal/platform/implementation/credential_callbacks.h"
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#include "presence/implementation/base_broadcast_request.h"
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#include "presence/implementation/mediums/advertisement_data.h"
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namespace nearby {
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namespace presence {
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// Builds BLE advertisements from broadcast requests.
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class AdvertisementFactory {
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public:
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using LocalCredential = internal::LocalCredential;
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// Returns a `CredentialSelector` if credentials are required to create an
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// advertisement from the `request`.
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static absl::StatusOr<CredentialSelector> GetCredentialSelector(
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const BaseBroadcastRequest& request);
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// Returns a BLE advertisement for given `request.
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absl::StatusOr<AdvertisementData> CreateAdvertisement(
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const BaseBroadcastRequest& request,
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absl::optional<LocalCredential> credential) const; // NOLINT
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absl::StatusOr<AdvertisementData> CreateAdvertisement(
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const BaseBroadcastRequest& request) const {
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return CreateAdvertisement(request,
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absl::optional<LocalCredential>()); // NOLINT
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}
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private:
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absl::StatusOr<AdvertisementData> CreateBaseNpAdvertisement(
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const BaseBroadcastRequest& request,
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absl::optional<LocalCredential> credential) const; // NOLINT
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absl::StatusOr<std::string> EncryptDataElements(
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const LocalCredential& credential, absl::string_view salt,
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absl::string_view data_elements) const;
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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_FACTORY_H_
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