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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 "loopback.h"
#include "le_advertisement.h"
#include "model/setup/device_boutique.h"
#include "os/log.h"
using std::vector;
namespace test_vendor_lib {
bool Loopback::registered_ = DeviceBoutique::Register("loopback", &Loopback::Create);
Loopback::Loopback() {
advertising_interval_ms_ = std::chrono::milliseconds(1280);
properties_.SetLeAdvertisementType(0x03); // NON_CONNECT
properties_.SetLeAdvertisement({
0x11, // Length
0x09, // NAME_CMPL
'g', 'D', 'e', 'v', 'i', 'c', 'e', '-', 'l', 'o', 'o', 'p', 'b', 'a', 'c', 'k',
0x02, // Length
0x01, // TYPE_FLAG
0x04 | 0x02, // BREDR_NOT_SPT | GEN_DISC
});
properties_.SetLeScanResponse({0x05, // Length
0x08, // NAME_SHORT
'l', 'o', 'o', 'p'});
}
std::string Loopback::GetTypeString() const {
return "loopback";
}
std::string Loopback::ToString() const {
std::string dev = GetTypeString() + "@" + properties_.GetLeAddress().ToString();
return dev;
}
void Loopback::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 Loopback::TimerTick() {}
void Loopback::IncomingPacket(packets::LinkLayerPacketView packet) {
LOG_INFO("Got a packet of type %d", static_cast<int>(packet.GetType()));
if (packet.GetDestinationAddress() == properties_.GetLeAddress() && packet.GetType() == Link::PacketType::LE_SCAN) {
LOG_INFO("Got a scan");
std::unique_ptr<packets::LeAdvertisementBuilder> scan_response = packets::LeAdvertisementBuilder::Create(
LeAdvertisement::AddressType::PUBLIC, LeAdvertisement::AdvertisementType::SCAN_RESPONSE,
properties_.GetLeScanResponse());
std::shared_ptr<packets::LinkLayerPacketBuilder> to_send = packets::LinkLayerPacketBuilder::WrapLeScanResponse(
std::move(scan_response), properties_.GetLeAddress(), packet.GetSourceAddress());
std::vector<std::shared_ptr<PhyLayer>> le_phys = phy_layers_[Phy::Type::LOW_ENERGY];
for (auto phy : le_phys) {
LOG_INFO("Sending a Scan Response on a Phy");
phy->Send(to_send);
}
}
}
} // namespace test_vendor_lib
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