1 // 2 // SocketPassing.cs: 3 // 4 // Author: 5 // Leonardo Taglialegne <leonardo.taglialegne@gmail.com> 6 // 7 // Copyright (c) 2013 Leonardo Taglialegne. 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 30 using System; 31 using System.Net.Sockets; 32 using System.Runtime.InteropServices; 33 using Mono.Unix; 34 35 namespace Mono.WebServer.FastCgi { 36 public static class SocketPassing 37 { SendTo(IntPtr connection, IntPtr passing)38 public static void SendTo (IntPtr connection, IntPtr passing) 39 { 40 send_fd (connection, passing); 41 } 42 SendTo(Socket connection, IntPtr passing)43 public static void SendTo (Socket connection, IntPtr passing) 44 { 45 if (connection == null) 46 throw new ArgumentNullException ("connection"); 47 send_fd (connection.Handle, passing); 48 } 49 ReceiveFrom(IntPtr connection)50 public static IntPtr ReceiveFrom (IntPtr connection) 51 { 52 IntPtr fd; 53 recv_fd (connection, out fd); 54 return fd; 55 } 56 ReceiveFrom(Socket connection)57 public static UnixStream ReceiveFrom (Socket connection) 58 { 59 if (connection == null) 60 throw new ArgumentNullException ("connection"); 61 return new UnixStream (ReceiveFrom (connection.Handle).ToInt32 ()); 62 } 63 64 [DllImport ("fpm_helper")] send_fd(IntPtr sock, IntPtr fd)65 static extern void send_fd (IntPtr sock, IntPtr fd); 66 67 [DllImport ("fpm_helper")] recv_fd(IntPtr sock, out IntPtr fd)68 static extern void recv_fd (IntPtr sock, out IntPtr fd); 69 } 70 } 71 72