// Copyright (c) Facebook, Inc. and its 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 "rsocket/ConnectionAcceptor.h" namespace rsocket { /** * TCP implementation of ConnectionAcceptor for use with RSocket::createServer * * Construction of this does nothing. The `start` method kicks off work. */ class TcpConnectionAcceptor : public ConnectionAcceptor { public: struct Options { /// Address to listen on folly::SocketAddress address{"::", 8080}; /// Number of worker threads processing requests. size_t threads{2}; /// Number of connections to buffer before accept handlers process them. int backlog{10}; }; explicit TcpConnectionAcceptor(Options); ~TcpConnectionAcceptor(); // ConnectionAcceptor overrides. /** * Bind an AsyncServerSocket and start accepting TCP connections. */ void start(OnDuplexConnectionAccept) override; /** * Shutdown the AsyncServerSocket and associated listener thread. */ void stop() override; /** * Get the port being listened on. */ folly::Optional listeningPort() const override; private: class SocketCallback; /// Options this acceptor has been configured with. const Options options_; /// The thread driving the AsyncServerSocket. std::unique_ptr serverThread_; /// Function to run when a connection is accepted. OnDuplexConnectionAccept onAccept_; /// The callbacks handling accepted connections. Each has its own worker /// thread. std::vector> callbacks_; /// The socket listening for new connections. folly::AsyncServerSocket::UniquePtr serverSocket_; }; } // namespace rsocket