コネクションプーリングとかワーカスレッドの多重化とかやってないめっちゃ簡易版。
import std.stdio; import std.socket; import core.thread; void main() { Socket server = new TcpSocket(); server.setOption(SocketOptionLevel.SOCKET, SocketOption.REUSEADDR, true); server.bind(new InternetAddress(8080)); server.listen(1); char[1024] buffer; enum header = "HTTP/1.0 200 OK\nContent-Type: text/html; charset=utf-8\n\n"; string response = header ~ "Hello World!\n"; while(true) { Socket client = server.accept(); client.receive(buffer); writeln(cast(string)buffer); client.send(response); client.shutdown(SocketShutdown.BOTH); client.close(); } }