1 files changed, 60 insertions, 0 deletions
diff --git a/Mono.Nat/Upnp/Messages/DiscoverDeviceMessage.cs b/Mono.Nat/Upnp/Messages/DiscoverDeviceMessage.cs
new file mode 100644
index 000000000..87f5835a6
--- /dev/null
+++ b/Mono.Nat/Upnp/Messages/DiscoverDeviceMessage.cs
@@ -0,0 +1,60 @@
+//
+// Authors:
+//   Alan McGovern alan.mcgovern@gmail.com
+//
+// Copyright (C) 2006 Alan McGovern
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Net;
+using System.Text;
+
+namespace Mono.Nat.Upnp
+{
+    internal static class DiscoverDeviceMessage
+    {
+        /// <summary>
+        /// The message sent to discover all uPnP devices on the network
+        /// </summary>
+        /// <returns></returns>
+        public static byte[] EncodeSSDP()
+        {
+            string s = "M-SEARCH * HTTP/1.1\r\n"
+                        + "HOST: 239.255.255.250:1900\r\n"
+                        + "MAN: \"ssdp:discover\"\r\n"
+                        + "MX: 3\r\n"
+                        + "ST: ssdp:all\r\n\r\n";
+            return UTF8Encoding.ASCII.GetBytes(s);
+        }
+
+        public static byte[] EncodeUnicast(IPAddress gatewayAddress)
+        {
+            //Format obtained from http://upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf pg 31
+            //This method only works with upnp 1.1 routers... unfortunately
+            string s = "M-SEARCH * HTTP/1.1\r\n"
+                        + "HOST: " + gatewayAddress + ":1900\r\n"
+                        + "MAN: \"ssdp:discover\"\r\n"
+                        + "ST: ssdp:all\r\n\r\n";
+                        //+ "USER-AGENT: unix/5.1 UPnP/1.1 MyProduct/1.0\r\n\r\n";
+            return UTF8Encoding.ASCII.GetBytes(s);
+        }
+    }
+}