77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*
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* Copyright 2016 The Android Open Source Project
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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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* http://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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*/
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#include "beacon.h"
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#include "model/setup/device_boutique.h"
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namespace rootcanal {
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using namespace model::packets;
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using namespace std::chrono_literals;
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bool Beacon::registered_ = DeviceBoutique::Register("beacon", &Beacon::Create);
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Beacon::Beacon()
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: advertising_type_(LegacyAdvertisingType::ADV_NONCONN_IND),
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advertising_data_({
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0x0F /* Length */, 0x09 /* TYPE_NAME_COMPLETE */, 'g', 'D', 'e', 'v',
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'i', 'c', 'e', '-', 'b', 'e', 'a', 'c', 'o', 'n', 0x02 /* Length */,
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0x01 /* TYPE_FLAG */,
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0x4 /* BREDR_NOT_SUPPORTED */ | 0x2 /* GENERAL_DISCOVERABLE */
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}),
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scan_response_data_(
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{0x05 /* Length */, 0x08 /* TYPE_NAME_SHORT */, 'b', 'e', 'a', 'c'}),
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advertising_interval_(1280ms) {}
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Beacon::Beacon(const std::vector<std::string>& args) : Beacon() {
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if (args.size() >= 2) {
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Address::FromString(args[1], address_);
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}
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if (args.size() >= 3) {
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advertising_interval_ = std::chrono::milliseconds(std::stoi(args[2]));
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}
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}
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void Beacon::TimerTick() {
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std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
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if ((now - advertising_last_) >= advertising_interval_) {
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advertising_last_ = now;
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SendLinkLayerPacket(
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std::move(LeLegacyAdvertisingPduBuilder::Create(
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address_, Address::kEmpty, AddressType::PUBLIC, AddressType::PUBLIC,
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advertising_type_,
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std::vector(advertising_data_.begin(), advertising_data_.end()))),
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Phy::Type::LOW_ENERGY);
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}
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}
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void Beacon::IncomingPacket(LinkLayerPacketView packet) {
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if (packet.GetDestinationAddress() == address_ &&
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packet.GetType() == PacketType::LE_SCAN &&
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(advertising_type_ == LegacyAdvertisingType::ADV_IND ||
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advertising_type_ == LegacyAdvertisingType::ADV_SCAN_IND)) {
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SendLinkLayerPacket(
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std::move(LeScanResponseBuilder::Create(
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address_, packet.GetSourceAddress(), AddressType::PUBLIC,
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std::vector(scan_response_data_.begin(),
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scan_response_data_.end()))),
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Phy::Type::LOW_ENERGY);
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}
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}
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} // namespace rootcanal
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