| /* |
| * |
| * Copyright (c) 2022 Project CHIP Authors |
| * |
| * 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. |
| */ |
| #pragma once |
| |
| #include <inet/IPAddress.h> |
| #include <inet/InetInterface.h> |
| |
| namespace mdns { |
| namespace Minimal { |
| |
| /// Provides a list of intefaces to listen on. |
| /// |
| /// When listening on IP, both IP address type (IPv4 or IPv6) and interface id |
| /// are important. In particular, when using link-local IP addresses, the actual |
| /// interface matters (e.g. FF02::FB will care over which IPv6 interface it is sent) |
| /// |
| /// For MDNS in particular, you may want: |
| /// - IPv4 listen on InterfaceId::Null() |
| /// - IPv6 listen on every specific interface id available (except local loopback and other |
| /// not usable interfaces like docker) |
| class ListenIterator |
| { |
| public: |
| virtual ~ListenIterator() {} |
| |
| // Get the next interface/address type to listen on |
| virtual bool Next(chip::Inet::InterfaceId * id, chip::Inet::IPAddressType * type) = 0; |
| }; |
| |
| } // namespace Minimal |
| } // namespace mdns |