From 90e4552415861afd15f7363175fd07b6510ee44d Mon Sep 17 00:00:00 2001
From: Oliver Booth <me@olivr.me>
Date: Sat, 16 Nov 2019 02:04:47 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Add=20EndPointExtensions?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

GetHost() returns the hostname of the endpoint which will either be the
value of DnsEndPoint.Host or IPEndPoint.Address

GetPort() returns the port of the endpoint.
---
 X10D/EndPointExtensions.cs | 42 ++++++++++++++++++++++++++++++++++++++
 X10D/X10D.csproj           |  1 +
 2 files changed, 43 insertions(+)
 create mode 100644 X10D/EndPointExtensions.cs

diff --git a/X10D/EndPointExtensions.cs b/X10D/EndPointExtensions.cs
new file mode 100644
index 0000000..99017ba
--- /dev/null
+++ b/X10D/EndPointExtensions.cs
@@ -0,0 +1,42 @@
+namespace X10D
+{
+    #region Using Directives
+
+    using System;
+    using System.Net;
+
+    #endregion
+
+    /// <summary>
+    /// A set of extension methods for <see cref="EndPoint"/> and derived types.
+    /// </summary>
+    public static class EndPointExtensions
+    {
+        /// <summary>
+        /// Gets the endpoint hostname.
+        /// </summary>
+        /// <param name="endPoint">The endpoint whose hostname to get.</param>
+        /// <returns>Returns a <see cref="String"/> representing the hostname, which may be an IP or a DNS, or empty
+        /// string on failure.</returns>
+        public static string GetHost(this EndPoint endPoint) =>
+            endPoint switch
+            {
+                IPEndPoint ip => ip.Address.ToString(),
+                DnsEndPoint dns => dns.Host,
+                _ => String.Empty
+            };
+
+        /// <summary>
+        /// Gets the endpoint port.
+        /// </summary>
+        /// <param name="endPoint">The endpoint whose port to get.</param>
+        /// <returns>Returns an <see cref="Int32"/> representing the port, or 0 on failure.</returns>
+        public static int GetPort(this EndPoint endPoint) =>
+            endPoint switch
+            {
+                IPEndPoint ip => ip.Port,
+                DnsEndPoint dns => dns.Port,
+                _ => 0
+            };
+    }
+}
diff --git a/X10D/X10D.csproj b/X10D/X10D.csproj
index 841cc56..4c89f47 100644
--- a/X10D/X10D.csproj
+++ b/X10D/X10D.csproj
@@ -50,6 +50,7 @@
     <Compile Include="ConvertibleExtensions.cs" />
     <Compile Include="DateTimeExtensions.cs" />
     <Compile Include="ComparableExtensions.cs" />
+    <Compile Include="EndPointExtensions.cs" />
     <Compile Include="SingleExtensions.cs" />
     <Compile Include="DoubleExtensions.cs" />
     <Compile Include="Int16Extensions.cs" />