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/*
* Copyright 2016 The Android Open Source Project
*
* 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
*
* http://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 "beacon.h"
#include "model/setup/device_boutique.h"
using std::vector;
namespace test_vendor_lib {
bool Beacon::registered_ = DeviceBoutique::Register("beacon", &Beacon::Create);
Beacon::Beacon() {
advertising_interval_ms_ = std::chrono::milliseconds(1280);
properties_.SetLeAdvertisementType(0x03 /* NON_CONNECT */);
properties_.SetLeAdvertisement({0x0F, // Length
0x09 /* TYPE_NAME_CMPL */, 'g', 'D', 'e', 'v', 'i', 'c', 'e', '-', 'b', 'e', 'a', 'c',
'o', 'n',
0x02, // Length
0x01 /* TYPE_FLAG */, 0x4 /* BREDR_NOT_SPT */ | 0x2 /* GEN_DISC_FLAG */});
properties_.SetLeScanResponse({0x05, // Length
0x08 /* TYPE_NAME_SHORT */, 'b', 'e', 'a', 'c'});
}
std::string Beacon::GetTypeString() const {
return "beacon";
}
std::string Beacon::ToString() const {
std::string dev = GetTypeString() + "@" + properties_.GetLeAddress().ToString();
return dev;
}
void Beacon::Initialize(const vector<std::string>& args) {
if (args.size() < 2) return;
Address addr{};
if (Address::FromString(args[1], addr)) properties_.SetLeAddress(addr);
if (args.size() < 3) return;
SetAdvertisementInterval(std::chrono::milliseconds(std::stoi(args[2])));
}
void Beacon::TimerTick() {
if (IsAdvertisementAvailable()) {
last_advertisement_ = std::chrono::steady_clock::now();
auto ad = model::packets::LeAdvertisementBuilder::Create(
properties_.GetLeAddress(), Address::kEmpty,
model::packets::AddressType::PUBLIC,
static_cast<model::packets::AdvertisementType>(
properties_.GetLeAdvertisementType()),
properties_.GetLeAdvertisement());
std::shared_ptr<model::packets::LinkLayerPacketBuilder> to_send =
std::move(ad);
SendLinkLayerPacket(to_send, Phy::Type::LOW_ENERGY);
}
}
void Beacon::IncomingPacket(model::packets::LinkLayerPacketView packet) {
if (packet.GetDestinationAddress() == properties_.GetLeAddress() &&
packet.GetType() == model::packets::PacketType::LE_SCAN) {
auto scan_response = model::packets::LeScanResponseBuilder::Create(
properties_.GetLeAddress(), packet.GetSourceAddress(),
model::packets::AddressType::PUBLIC,
model::packets::AdvertisementType::SCAN_RESPONSE,
properties_.GetLeScanResponse());
std::shared_ptr<model::packets::LinkLayerPacketBuilder> to_send =
std::move(scan_response);
SendLinkLayerPacket(to_send, Phy::Type::LOW_ENERGY);
}
}
} // namespace test_vendor_lib
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