| // Copyright 2021 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. |
| |
| #include "connections/discovery_options.h" |
| |
| #include <string> |
| |
| namespace location { |
| namespace nearby { |
| namespace connections { |
| |
| // Returns a copy and normalizes allowed mediums: |
| // (1) If is_out_of_band_connection is true, verifies that there is only one |
| // medium allowed, defaulting to only Bluetooth if unspecified. |
| // (2) If no mediums are allowed, allow all mediums. |
| DiscoveryOptions DiscoveryOptions::CompatibleOptions() const { |
| DiscoveryOptions result = *this; |
| |
| // Out-of-band connections initiate connections via an injected endpoint |
| // rather than through the normal discovery flow. These types of connections |
| // can only be injected via a single medium. |
| if (is_out_of_band_connection) { |
| int num_enabled = result.allowed.Count(true); |
| |
| // Default to allow only Bluetooth if no single medium is specified. |
| if (num_enabled != 1) { |
| result.allowed.SetAll(false); |
| result.allowed.bluetooth = true; |
| } |
| return result; |
| } |
| |
| // Normal connections (i.e., not out-of-band) connections can specify |
| // multiple mediums. If none are specified, default to allowing all mediums. |
| if (!allowed.Any(true)) result.allowed.SetAll(true); |
| return result; |
| } |
| |
| } // namespace connections |
| } // namespace nearby |
| } // namespace location |