/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * 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 #include #include #include namespace folly { /** * Dispatcher that enables calls to TcpInfo to be intercepted for tests. */ class TcpInfoDispatcher { public: static TcpInfoDispatcher* getInstance(); /** * Initializes and returns TcpInfo struct. * * @param fd Socket file descriptor encapsulated in NetworkSocket. * @param options Options for lookup. * @param netopsDispatcher Dispatcher to use for netops calls; * facilitates mocking during unit tests. * @param ioctlDispatcher Dispatcher to use for ioctl calls; * facilitates mocking during unit tests. */ virtual Expected initFromFd( const NetworkSocket& fd, const TcpInfo::LookupOptions& options = TcpInfo::LookupOptions(), netops::Dispatcher& netopsDispatcher = *netops::Dispatcher::getDefaultInstance(), TcpInfo::IoctlDispatcher& ioctlDispatcher = *TcpInfo::IoctlDispatcher::getDefaultInstance()); protected: TcpInfoDispatcher() = default; virtual ~TcpInfoDispatcher() = default; }; } // namespace folly