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https://github.com/kidfromjupiter/nearby.git
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51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright 2023 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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#include "connections/advertising_options.h"
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#include <string>
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namespace nearby {
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namespace connections {
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// Returns a copy and normalizes allowed mediums:
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// (1) If is_out_of_band_connection is true, verifies that there is only one
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// medium allowed, defaulting to only Bluetooth if unspecified.
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// (2) If no mediums are allowed, allow all mediums.
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AdvertisingOptions AdvertisingOptions::CompatibleOptions() const {
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AdvertisingOptions result = *this;
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// Out-of-band connections initiate connections via an injected endpoint
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// rather than through the normal discovery flow. These types of connections
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// can only be injected via a single medium.
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if (is_out_of_band_connection) {
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int num_enabled = result.allowed.Count(true);
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// Default to allow only Bluetooth if no single medium is specified.
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if (num_enabled != 1) {
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result.allowed.SetAll(false);
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result.allowed.bluetooth = true;
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}
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return result;
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}
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// Normal connections (i.e., not out-of-band) connections can specify
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// multiple mediums. If none are specified, default to allowing all mediums.
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if (!allowed.Any(true)) result.allowed.SetAll(true);
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return result;
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}
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} // namespace connections
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} // namespace nearby
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