Add ClientIP to RequestMessage / RequestLog (#46)

src/WireMock.Net/Matchers/Request/RequestMessageClientIPMatcher.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using JetBrains.Annotations;
+using WireMock.Validation;
+
+namespace WireMock.Matchers.Request
+{
+    /// <summary>
+    /// The request ClientIP matcher.
+    /// </summary>
+    public class RequestMessageClientIPMatcher : IRequestMatcher
+    {
+        /// <summary>
+        /// The matchers.
+        /// </summary>
+        public IReadOnlyList<IMatcher> Matchers { get; }
+
+        /// <summary>
+        /// The ClientIP functions.
+        /// </summary>
+        public Func<string, bool>[] Funcs { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RequestMessageClientIPMatcher"/> class.
+        /// </summary>
+        /// <param name="clientIPs">The clientIPs.</param>
+        public RequestMessageClientIPMatcher([NotNull] params string[] clientIPs) : this(clientIPs.Select(ip => new WildcardMatcher(ip)).ToArray())
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RequestMessageClientIPMatcher"/> class.
+        /// </summary>
+        /// <param name="matchers">The matchers.</param>
+        public RequestMessageClientIPMatcher([NotNull] params IMatcher[] matchers)
+        {
+            Check.NotNull(matchers, nameof(matchers));
+            Matchers = matchers;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RequestMessageClientIPMatcher"/> class.
+        /// </summary>
+        /// <param name="funcs">The clientIP functions.</param>
+        public RequestMessageClientIPMatcher([NotNull] params Func<string, bool>[] funcs)
+        {
+            Check.NotNull(funcs, nameof(funcs));
+            Funcs = funcs;
+        }
+
+        /// <summary>
+        /// Determines whether the specified RequestMessage is match.
+        /// </summary>
+        /// <param name="requestMessage">The RequestMessage.</param>
+        /// <param name="requestMatchResult">The RequestMatchResult.</param>
+        /// <returns>
+        /// A value between 0.0 - 1.0 of the similarity.
+        /// </returns>
+        public double GetMatchingScore(RequestMessage requestMessage, RequestMatchResult requestMatchResult)
+        {
+            double score = IsMatch(requestMessage);
+            requestMatchResult.TotalScore += score;
+
+            requestMatchResult.TotalNumber++;
+
+            return score;
+        }
+
+        private double IsMatch(RequestMessage requestMessage)
+        {
+            if (Matchers != null)
+                return Matchers.Max(matcher => matcher.IsMatch(requestMessage.ClientIP));
+
+            if (Funcs != null)
+                return MatchScores.ToScore(requestMessage.ClientIP != null && Funcs.Any(func => func(requestMessage.ClientIP)));
+
+            return MatchScores.Mismatch;
+        }
+    }
+}