vendor_libs/test_vendor_lib/model/devices/loopback.cc

   1 /*
   2  * Copyright 2016 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #define LOG_TAG "loopback"
  18
  19 #include "loopback.h"
  20
  21 #include "le_advertisement.h"
  22 #include "model/setup/device_boutique.h"
  23 #include "osi/include/log.h"
  24
  25 using std::vector;
  26
  27 namespace test_vendor_lib {
  28
  29 bool Loopback::registered_ = DeviceBoutique::Register(LOG_TAG, &Loopback::Create);
  30
  31 Loopback::Loopback() {
  32   advertising_interval_ms_ = std::chrono::milliseconds(1280);
  33   properties_.SetLeAdvertisementType(BTM_BLE_NON_CONNECT_EVT);
  34   properties_.SetLeAdvertisement({0x11,  // Length
  35                                   BTM_BLE_AD_TYPE_NAME_CMPL,
  36                                   'g',
  37                                   'D',
  38                                   'e',
  39                                   'v',
  40                                   'i',
  41                                   'c',
  42                                   'e',
  43                                   '-',
  44                                   'l',
  45                                   'o',
  46                                   'o',
  47                                   'p',
  48                                   'b',
  49                                   'a',
  50                                   'c',
  51                                   'k',
  52                                   0x02,  // Length
  53                                   BTM_BLE_AD_TYPE_FLAG,
  54                                   BTM_BLE_BREDR_NOT_SPT | BTM_BLE_GEN_DISC_FLAG});
  55
  56   properties_.SetLeScanResponse({0x05,  // Length
  57                                  BTM_BLE_AD_TYPE_NAME_SHORT, 'l', 'o', 'o', 'p'});
  58 }
  59
  60 std::string Loopback::GetTypeString() const {
  61   return "loopback";
  62 }
  63
  64 std::string Loopback::ToString() const {
  65   std::string dev = GetTypeString() + "@" + properties_.GetLeAddress().ToString();
  66
  67   return dev;
  68 }
  69
  70 void Loopback::Initialize(const vector<std::string>& args) {
  71   if (args.size() < 2) return;
  72
  73   Address addr;
  74   if (Address::FromString(args[1], addr)) properties_.SetLeAddress(addr);
  75
  76   if (args.size() < 3) return;
  77
  78   SetAdvertisementInterval(std::chrono::milliseconds(std::stoi(args[2])));
  79 }
  80
  81 void Loopback::TimerTick() {}
  82
  83 void Loopback::IncomingPacket(packets::LinkLayerPacketView packet) {
  84   LOG_INFO(LOG_TAG, "Got a packet of type %d", static_cast<int>(packet.GetType()));
  85   if (packet.GetDestinationAddress() == properties_.GetLeAddress() && packet.GetType() == Link::PacketType::LE_SCAN) {
  86     LOG_INFO(LOG_TAG, "Got a scan");
  87     std::unique_ptr<packets::LeAdvertisementBuilder> scan_response = packets::LeAdvertisementBuilder::Create(
  88         LeAdvertisement::AddressType::PUBLIC, LeAdvertisement::AdvertisementType::SCAN_RESPONSE,
  89         properties_.GetLeScanResponse());
  90     std::shared_ptr<packets::LinkLayerPacketBuilder> to_send = packets::LinkLayerPacketBuilder::WrapLeScanResponse(
  91         std::move(scan_response), properties_.GetLeAddress(), packet.GetSourceAddress());
  92     std::vector<std::shared_ptr<PhyLayer>> le_phys = phy_layers_[Phy::Type::LOW_ENERGY];
  93     for (auto phy : le_phys) {
  94       LOG_INFO(LOG_TAG, "Sending a Scan Response on a Phy");
  95       phy->Send(to_send);
  96     }
  97   }
  98 }
  99
 100 }  // namespace test_vendor_lib