Azure · amnguye · Jul 31, 2023 · Jul 25, 2023 · Jul 31, 2023
@@ -3,6 +3,7 @@
 ## 5.2.0-beta.1 (Unreleased)
 
 ### Features Added
+- Added support for `BlobsOptions.MaxDequeueCount`
 
 ### Breaking Changes
 

@@ -44,6 +44,7 @@ public partial class BlobsOptions : Microsoft.Azure.WebJobs.Hosting.IOptionsForm
     {
         public BlobsOptions() { }
         public int MaxDegreeOfParallelism { get { throw null; } set { } }
+        public int MaxDequeueCount { get { throw null; } set { } }
         [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
         string Microsoft.Azure.WebJobs.Hosting.IOptionsFormatter.Format() { throw null; }
     }

@@ -8,7 +8,8 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.csproj" />
     <PackageReference Include="Microsoft.AspNetCore.Http" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" />
+		<PackageReference Include="Microsoft.Azure.WebJobs.Extensions" />
+		<PackageReference Include="Microsoft.NET.Sdk.Functions" />
   </ItemGroup>
   <ItemGroup>
     <None Update="host.json">

@@ -15,7 +15,10 @@ namespace Microsoft.Azure.WebJobs.Host
     /// </summary>
     public class BlobsOptions : IOptionsFormatter
     {
+        private const int DefaultMaxDequeueCount = 5;
+
         private int _maxDegreeOfParallelism;
+        private int _maxDequeueCount = DefaultMaxDequeueCount;
 
         /// <summary>
         /// Constructs a new instance.
@@ -43,6 +46,30 @@ public int MaxDegreeOfParallelism
             }
         }
 
+        /// <summary>
+        /// Gets or sets the number of times to try processing a message before moving it to the poison queue (where
+        /// possible).
+        /// </summary>
+        /// <remarks>
+        /// Some queues do not have corresponding poison queues, and this property does not apply to them. Specifically,
+        /// there are no corresponding poison queues for any queue whose name already ends in "-poison" or any queue
+        /// whose name is already too long to add a "-poison" suffix.
+        /// </remarks>
+        public int MaxDequeueCount
+        {
+            get { return _maxDequeueCount; }
+
+            set
+            {
+                if (value < 1)
+                {
+                    throw new ArgumentException("MaxDequeueCount must not be less than 1.", nameof(value));
+                }
+
+                _maxDequeueCount = value;
+            }
+        }
+
         /// <inheritdoc/>
         [EditorBrowsable(EditorBrowsableState.Never)]
         string IOptionsFormatter.Format()

@@ -98,6 +98,7 @@ internal static QueuesOptions BlobsOptionsToQueuesOptions(BlobsOptions blobsOpti
             {
                 BatchSize = batchSize,
                 NewBatchThreshold = newBatchThreshold,
+                MaxDequeueCount = blobsOptions.MaxDequeueCount
             };
         }
 

@@ -8,20 +8,21 @@ namespace Microsoft.Azure.WebJobs.Extensions.Storage.Blobs.Listeners
 {
     public class SharedBlobQueueListenerFactoryTests
     {
-        [TestCase(100, 32, 68)]
-        [TestCase(64, 32, 32)]
-        [TestCase(63, 32, 31)]
-        [TestCase(62, 32, 30)]
-        [TestCase(16, 9, 7)]
-        [TestCase(3, 2, 1)]
-        [TestCase(2, 2, 0)]
-        [TestCase(1, 1, 0)]
-        public void ConvertsBlobOptionsToQueueOptionsCorrectly(int maxDegreeOfParallelism, int expectedBatchSize, int expectedNewBatchThreshold)
+        [TestCase(100, 32, 68, 6)]
+        [TestCase(64, 32, 32, 5)]
+        [TestCase(63, 32, 31, 4)]
+        [TestCase(62, 32, 30, 4)]
+        [TestCase(16, 9, 7, 3)]
+        [TestCase(3, 2, 1, 1)]
+        [TestCase(2, 2, 0, 1)]
+        [TestCase(1, 1, 0, 1)]
+        public void ConvertsBlobOptionsToQueueOptionsCorrectly(int maxDegreeOfParallelism, int expectedBatchSize, int expectedNewBatchThreshold, int maxDequeueCount)
         {
             // Arrange
             var blobOptions = new BlobsOptions()
             {
                 MaxDegreeOfParallelism = maxDegreeOfParallelism,
+                MaxDequeueCount = maxDequeueCount,
             };
 
             // Act
@@ -30,6 +31,7 @@ public void ConvertsBlobOptionsToQueueOptionsCorrectly(int maxDegreeOfParallelis
             // Assert
             Assert.AreEqual(expectedBatchSize, queueOptions.BatchSize);
             Assert.AreEqual(expectedNewBatchThreshold, queueOptions.NewBatchThreshold);
+            Assert.AreEqual(maxDequeueCount, queueOptions.MaxDequeueCount);
         }
     }
 }
@@ -18,6 +18,7 @@ public void ConfigureOptions_AppliesValuesCorrectly_Blobs()
             var values = new Dictionary<string, string>
             {
                 { $"{extensionPath}:MaxDegreeOfParallelism", "2" },
+                { $"{extensionPath}:MaxDequeueCount", "3" },
             };
 
             BlobsOptions options = TestHelpers.GetConfiguredOptions<BlobsOptions>(b =>
@@ -26,6 +27,7 @@ public void ConfigureOptions_AppliesValuesCorrectly_Blobs()
             }, values);
 
             Assert.AreEqual(2, options.MaxDegreeOfParallelism);
+            Assert.AreEqual(3, options.MaxDequeueCount);
         }
     }
 }
@@ -8,6 +8,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.Azure.WebJobs.Extensions.Storage.Queues.csproj" />
     <PackageReference Include="Microsoft.AspNetCore.Http" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" />
   </ItemGroup>
   <ItemGroup>
-Original file line number
+Diff line change
@@ Expand Up @@
                 {
                     BatchSize = batchSize,
                     NewBatchThreshold = newBatchThreshold,
+                    MaxDequeueCount = blobsOptions.MaxDequeueCount
                 };
             }
@@ Expand Down @@