From 2e4db7554041ecf481d3a38656fccc309e13eb5b Mon Sep 17 00:00:00 2001
From: LukePulverenti <luke.pulverenti@gmail.com>
Date: Sat, 23 Feb 2013 17:31:51 -0500
Subject: extracted http server, web socket server and udp server dependancies

---
 .../Management/NetworkManager.cs                   | 112 +++++++++++++++++++++
 1 file changed, 112 insertions(+)

(limited to 'MediaBrowser.Networking/Management/NetworkManager.cs')

diff --git a/MediaBrowser.Networking/Management/NetworkManager.cs b/MediaBrowser.Networking/Management/NetworkManager.cs
index fcead43d3..208c64a6e 100644
--- a/MediaBrowser.Networking/Management/NetworkManager.cs
+++ b/MediaBrowser.Networking/Management/NetworkManager.cs
@@ -260,6 +260,118 @@ namespace MediaBrowser.Networking.Management
                     throw new ArgumentException("Unknown share type");
             }
         }
+
+        /// <summary>
+        /// Parses the specified endpointstring.
+        /// </summary>
+        /// <param name="endpointstring">The endpointstring.</param>
+        /// <returns>IPEndPoint.</returns>
+        public IPEndPoint Parse(string endpointstring)
+        {
+            return Parse(endpointstring, -1);
+        }
+
+        /// <summary>
+        /// Parses the specified endpointstring.
+        /// </summary>
+        /// <param name="endpointstring">The endpointstring.</param>
+        /// <param name="defaultport">The defaultport.</param>
+        /// <returns>IPEndPoint.</returns>
+        /// <exception cref="System.ArgumentException">Endpoint descriptor may not be empty.</exception>
+        /// <exception cref="System.FormatException"></exception>
+        private static IPEndPoint Parse(string endpointstring, int defaultport)
+        {
+            if (string.IsNullOrEmpty(endpointstring)
+                || endpointstring.Trim().Length == 0)
+            {
+                throw new ArgumentException("Endpoint descriptor may not be empty.");
+            }
+
+            if (defaultport != -1 &&
+                (defaultport < IPEndPoint.MinPort
+                || defaultport > IPEndPoint.MaxPort))
+            {
+                throw new ArgumentException(string.Format("Invalid default port '{0}'", defaultport));
+            }
+
+            string[] values = endpointstring.Split(new char[] { ':' });
+            IPAddress ipaddy;
+            int port = -1;
+
+            //check if we have an IPv6 or ports
+            if (values.Length <= 2) // ipv4 or hostname
+            {
+                if (values.Length == 1)
+                    //no port is specified, default
+                    port = defaultport;
+                else
+                    port = GetPort(values[1]);
+
+                //try to use the address as IPv4, otherwise get hostname
+                if (!IPAddress.TryParse(values[0], out ipaddy))
+                    ipaddy = GetIPfromHost(values[0]);
+            }
+            else if (values.Length > 2) //ipv6
+            {
+                //could [a:b:c]:d
+                if (values[0].StartsWith("[") && values[values.Length - 2].EndsWith("]"))
+                {
+                    string ipaddressstring = string.Join(":", values.Take(values.Length - 1).ToArray());
+                    ipaddy = IPAddress.Parse(ipaddressstring);
+                    port = GetPort(values[values.Length - 1]);
+                }
+                else //[a:b:c] or a:b:c
+                {
+                    ipaddy = IPAddress.Parse(endpointstring);
+                    port = defaultport;
+                }
+            }
+            else
+            {
+                throw new FormatException(string.Format("Invalid endpoint ipaddress '{0}'", endpointstring));
+            }
+
+            if (port == -1)
+                throw new ArgumentException(string.Format("No port specified: '{0}'", endpointstring));
+
+            return new IPEndPoint(ipaddy, port);
+        }
+
+        /// <summary>
+        /// Gets the port.
+        /// </summary>
+        /// <param name="p">The p.</param>
+        /// <returns>System.Int32.</returns>
+        /// <exception cref="System.FormatException"></exception>
+        private static int GetPort(string p)
+        {
+            int port;
+
+            if (!int.TryParse(p, out port)
+             || port < IPEndPoint.MinPort
+             || port > IPEndPoint.MaxPort)
+            {
+                throw new FormatException(string.Format("Invalid end point port '{0}'", p));
+            }
+
+            return port;
+        }
+
+        /// <summary>
+        /// Gets the I pfrom host.
+        /// </summary>
+        /// <param name="p">The p.</param>
+        /// <returns>IPAddress.</returns>
+        /// <exception cref="System.ArgumentException"></exception>
+        private static IPAddress GetIPfromHost(string p)
+        {
+            var hosts = Dns.GetHostAddresses(p);
+
+            if (hosts == null || hosts.Length == 0)
+                throw new ArgumentException(string.Format("Host not found: {0}", p));
+
+            return hosts[0];
+        }
     }
 
 }
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