More granular rolling intervals

src/Serilog.Sinks.File/RollingInterval.cs

@@ -34,6 +34,11 @@ public enum RollingInterval
         /// </summary>
         Month,
 
+        /// <summary>
+        /// Roll every calendar week. Filenames will have <code>yyyyMMdd</code> appended.
+        /// </summary>
+        Week,
+
         /// <summary>
         /// Roll every day. Filenames will have <code>yyyyMMdd</code> appended.
         /// </summary>
@@ -47,6 +52,26 @@ public enum RollingInterval
         /// <summary>
         /// Roll every minute. Filenames will have <code>yyyyMMddHHmm</code> appended.
         /// </summary>
-        Minute
+        Minute,
+
+        /// <summary>
+        /// Roll every five minute. Filenames will have <code>yyyyMMddHHmm</code> appended with minutes limited to multiples of five.
+        /// </summary>
+        FiveMinutes,
+
+        /// <summary>
+        /// Roll every ten minute. Filenames will have <code>yyyyMMddHHmm</code> appended with minutes limited to multiples of ten.
+        /// </summary>
+        TenMinutes,
+
+        /// <summary>
+        /// Roll every fifteen minute. Filenames will have <code>yyyyMMddHHmm</code> appended with minutes limited to multiples of fifteen.
+        /// </summary>
+        QuarterHour,
+
+        /// <summary>
+        /// Roll every half hour. Filenames will have <code>yyyyMMddHHmm</code> appended with minutes limited to multiples of third.
+        /// </summary>
+        HalfHour
     }
 }

src/Serilog.Sinks.File/Serilog.Sinks.File.csproj

@@ -11,9 +11,9 @@
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageTags>serilog;file</PackageTags>
     <PackageIcon>images\icon.png</PackageIcon>
-    <PackageIconUrl>https://serilog.net/images/serilog-sink-nuget.png</PackageIconUrl>
     <PackageProjectUrl>http://serilog.net</PackageProjectUrl>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
+    <PackageLicense>http://www.apache.org/licenses/LICENSE-2.0</PackageLicense>
     <RepositoryUrl>https://github.com/serilog/serilog-sinks-file</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>

src/Serilog.Sinks.File/Sinks/File/RollingIntervalExtensions.cs

@@ -1,4 +1,4 @@
-// Copyright 2017 Serilog Contributors
+// Copyright 2017 Serilog Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -28,11 +28,17 @@ public static string GetFormat(this RollingInterval interval)
                     return "yyyy";
                 case RollingInterval.Month:
                     return "yyyyMM";
+                case RollingInterval.Week:
+                    return "yyyyMMdd";
                 case RollingInterval.Day:
                     return "yyyyMMdd";
                 case RollingInterval.Hour:
                     return "yyyyMMddHH";
                 case RollingInterval.Minute:
+                case RollingInterval.FiveMinutes:
+                case RollingInterval.TenMinutes:
+                case RollingInterval.QuarterHour:
+                case RollingInterval.HalfHour:
                     return "yyyyMMddHHmm";
                 default:
                     throw new ArgumentException("Invalid rolling interval");
@@ -49,12 +55,22 @@ public static string GetFormat(this RollingInterval interval)
                     return new DateTime(instant.Year, 1, 1, 0, 0, 0, instant.Kind);
                 case RollingInterval.Month:
                     return new DateTime(instant.Year, instant.Month, 1, 0, 0, 0, instant.Kind);
+                case RollingInterval.Week:
+                    return new DateTime(instant.Year, instant.Month, instant.Day, 0, 0, 0, instant.Kind);
                 case RollingInterval.Day:
                     return new DateTime(instant.Year, instant.Month, instant.Day, 0, 0, 0, instant.Kind);
                 case RollingInterval.Hour:
                     return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, 0, 0, instant.Kind);
                 case RollingInterval.Minute:
                     return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, instant.Minute, 0, instant.Kind);
+                case RollingInterval.FiveMinutes:
+                    return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, (int)(instant.Minute / 5) * 5, 0, instant.Kind);
+                case RollingInterval.TenMinutes:
+                    return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, (int)(instant.Minute / 10) * 10, 0, instant.Kind);
+                case RollingInterval.QuarterHour:
+                    return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, (int)(instant.Minute / 15) * 15, 0, instant.Kind);
+                case RollingInterval.HalfHour:
+                    return new DateTime(instant.Year, instant.Month, instant.Day, instant.Hour, (int)(instant.Minute / 30) * 30, 0, instant.Kind);
                 default:
                     throw new ArgumentException("Invalid rolling interval");
             }
@@ -72,12 +88,22 @@ public static string GetFormat(this RollingInterval interval)
                     return current.Value.AddYears(1);
                 case RollingInterval.Month:
                     return current.Value.AddMonths(1);
+                case RollingInterval.Week:
+                    return current.Value.AddDays(7);
                 case RollingInterval.Day:
                     return current.Value.AddDays(1);
                 case RollingInterval.Hour:
                     return current.Value.AddHours(1);
                 case RollingInterval.Minute:
                     return current.Value.AddMinutes(1);
+                case RollingInterval.FiveMinutes:
+                    return current.Value.AddMinutes(5);
+                case RollingInterval.TenMinutes:
+                    return current.Value.AddMinutes(10);
+                case RollingInterval.QuarterHour:
+                    return current.Value.AddMinutes(15);
+                case RollingInterval.HalfHour:
+                    return current.Value.AddMinutes(30);
                 default:
                     throw new ArgumentException("Invalid rolling interval");
             }

test/Serilog.Sinks.File.Tests/RollingIntervalExtensionsTests.cs

@@ -12,10 +12,30 @@ public class RollingIntervalExtensionsTests
             new object[]{ RollingInterval.Year,     new DateTime(2018, 06, 01),           new DateTime(2018, 01, 01), new DateTime(2019, 01, 01) },
             new object[]{ RollingInterval.Month,    new DateTime(2018, 01, 01),           new DateTime(2018, 01, 01), new DateTime(2018, 02, 01) },
             new object[]{ RollingInterval.Month,    new DateTime(2018, 01, 14),           new DateTime(2018, 01, 01), new DateTime(2018, 02, 01) },
+            new object[]{ RollingInterval.Week,     new DateTime(2018, 01, 01),           new DateTime(2018, 01, 01), new DateTime(2018, 01, 08) },
+            new object[]{ RollingInterval.Week,     new DateTime(2018, 01, 01, 12, 0, 0), new DateTime(2018, 01, 01), new DateTime(2018, 01, 08) },
             new object[]{ RollingInterval.Day,      new DateTime(2018, 01, 01),           new DateTime(2018, 01, 01), new DateTime(2018, 01, 02) },
             new object[]{ RollingInterval.Day,      new DateTime(2018, 01, 01, 12, 0, 0), new DateTime(2018, 01, 01), new DateTime(2018, 01, 02) },
             new object[]{ RollingInterval.Hour,     new DateTime(2018, 01, 01, 0, 0, 0),  new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 1, 0, 0) },
             new object[]{ RollingInterval.Hour,     new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 1, 0, 0) },
+            new object[]{ RollingInterval.HalfHour, new DateTime(2018, 01, 01, 0, 0, 0),  new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 0, 30, 0) },
+            new object[]{ RollingInterval.HalfHour, new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 1, 00, 0) },
+            new object[]{ RollingInterval.HalfHour, new DateTime(2018, 01, 01, 0, 45, 0), new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 1, 0, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 0, 0),  new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 0, 15, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 10, 0), new DateTime(2018, 01, 01, 0, 0, 0), new DateTime(2018, 01, 01, 0, 15, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 15, 0), new DateTime(2018, 01, 01, 0, 15, 0), new DateTime(2018, 01, 01, 0, 30, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 20, 0), new DateTime(2018, 01, 01, 0, 15, 0), new DateTime(2018, 01, 01, 0, 30, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 0, 45, 0) },
+            new object[]{ RollingInterval.QuarterHour, new DateTime(2018, 01, 01, 0, 45, 0), new DateTime(2018, 01, 01, 0, 45, 0), new DateTime(2018, 01, 01, 1, 0, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 0, 0),  new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 0, 10, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 10, 0), new DateTime(2018, 01, 01, 0, 10, 0), new DateTime(2018, 01, 01, 0, 20, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 15, 0), new DateTime(2018, 01, 01, 0, 10, 0), new DateTime(2018, 01, 01, 0, 20, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 20, 0), new DateTime(2018, 01, 01, 0, 20, 0), new DateTime(2018, 01, 01, 0, 30, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 0, 30, 0), new DateTime(2018, 01, 01, 0, 40, 0) },
+            new object[]{ RollingInterval.TenMinutes, new DateTime(2018, 01, 01, 0, 45, 0), new DateTime(2018, 01, 01, 0, 40, 0), new DateTime(2018, 01, 01, 0, 50, 0) },
+            new object[]{ RollingInterval.FiveMinutes, new DateTime(2018, 01, 01, 0, 0, 0), new DateTime(2018, 01, 01, 0, 0, 0), new DateTime(2018, 01, 01, 0, 5, 0) },
+            new object[]{ RollingInterval.FiveMinutes, new DateTime(2018, 01, 01, 0, 4, 0), new DateTime(2018, 01, 01, 0, 0, 0), new DateTime(2018, 01, 01, 0, 5, 0) },
+            new object[]{ RollingInterval.FiveMinutes, new DateTime(2018, 01, 01, 0, 6, 0), new DateTime(2018, 01, 01, 0, 5, 0), new DateTime(2018, 01, 01, 0, 10, 0) },
             new object[]{ RollingInterval.Minute,   new DateTime(2018, 01, 01, 0, 0, 0),  new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 0, 1, 0) },
             new object[]{ RollingInterval.Minute,   new DateTime(2018, 01, 01, 0, 0, 30), new DateTime(2018, 01, 01), new DateTime(2018, 01, 01, 0, 1, 0) }
         };

test/Serilog.Sinks.File.Tests/Serilog.Sinks.File.Tests.csproj

@@ -18,6 +18,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="System.Runtime" Version="4.3.0" />
+    <PackageReference Include="xunit.extensibility.core" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>