mirror of
https://github.com/kidfromjupiter/nearby.git
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101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
// Copyright 2020 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 CORE_MEDIUM_SELECTOR_H_
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#define CORE_MEDIUM_SELECTOR_H_
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#include <vector>
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#include "proto/connections_enums.pb.h"
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namespace nearby {
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namespace connections {
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using Medium = ::location::nearby::proto::connections::Medium;
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struct BooleanMediumSelector {
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bool bluetooth = false;
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bool ble = false;
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bool web_rtc_no_cellular = false;
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bool web_rtc = false;
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bool wifi_lan = false;
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bool wifi_hotspot = false;
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bool wifi_direct = false;
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bool awdl = false;
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constexpr bool Any(bool value) const {
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return bluetooth == value || ble == value || web_rtc_no_cellular == value ||
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web_rtc == value || wifi_lan == value || wifi_hotspot == value ||
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wifi_direct == value || awdl == value;
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}
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constexpr bool All(bool value) const {
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return bluetooth == value && ble == value &&
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(web_rtc == value || web_rtc_no_cellular == value) &&
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awdl == value && wifi_lan == value && wifi_hotspot == value &&
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wifi_direct == value;
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}
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constexpr int Count(bool value) const {
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int count = 0;
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if (awdl == value) count++;
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if (bluetooth == value) count++;
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if (ble == value) count++;
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if (wifi_lan == value) count++;
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if (wifi_hotspot == value) count++;
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if (wifi_direct == value) count++;
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if (web_rtc == value || web_rtc_no_cellular == value) count++;
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return count;
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}
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constexpr BooleanMediumSelector& SetAll(bool value) {
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bluetooth = value;
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ble = value;
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web_rtc = value;
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wifi_lan = value;
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wifi_hotspot = value;
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wifi_direct = value;
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awdl = value;
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return *this;
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}
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std::vector<Medium> GetMediums(bool value) const {
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std::vector<Medium> mediums;
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// Mediums are sorted in order of decreasing preference.
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// AWDL works on Apple devices only for now. Put it at the top of WIFI_LAN
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// because it is the most preferred medium for Apple devices and no impact
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// to other medium connections.
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if (awdl == value) mediums.push_back(Medium::AWDL);
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if (wifi_lan == value) mediums.push_back(Medium::WIFI_LAN);
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if (wifi_direct == value) mediums.push_back(Medium::WIFI_DIRECT);
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if (wifi_hotspot == value) mediums.push_back(Medium::WIFI_HOTSPOT);
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// if both web_rtc and web_rtc_no_cellular are true/false, we only add one
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// web_rtc medium.
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if (web_rtc == value && web_rtc_no_cellular == value) {
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mediums.push_back(Medium::WEB_RTC);
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} else {
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if (web_rtc == value) mediums.push_back(Medium::WEB_RTC);
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if (web_rtc_no_cellular == value)
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mediums.push_back(Medium::WEB_RTC_NON_CELLULAR);
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}
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if (bluetooth == value) mediums.push_back(Medium::BLUETOOTH);
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if (ble == value) mediums.push_back(Medium::BLE);
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return mediums;
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}
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};
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} // namespace connections
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} // namespace nearby
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#endif // CORE_MEDIUM_SELECTOR_H_
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