164     std::string guid = "adb-";  in GenerateDeviceGuid()  local
171     guid += serial + '-';  in GenerateDeviceGuid()
173     guid += RandomAlphaNumString(6);  in GenerateDeviceGuid()
174     return guid;  in GenerateDeviceGuid()
178     std::string guid = android::base::GetProperty("persist.adb.wifi.guid", "");  in ReadDeviceGuid()  local
179     if (guid.empty()) {  in ReadDeviceGuid()
180         guid = GenerateDeviceGuid();  in ReadDeviceGuid()
181         CHECK(!guid.empty());  in ReadDeviceGuid()
182         android::base::SetProperty("persist.adb.wifi.guid", guid);  in ReadDeviceGuid()
184     return guid;  in ReadDeviceGuid()
191     std::string guid = ReadDeviceGuid();  in setup_mdns()  local
192     CHECK(!guid.empty());  in setup_mdns()