Add BatchExportLogRecordProcessorOptions

src/OpenTelemetry/.publicApi/net462/PublicAPI.Unshipped.txt

@@ -1,3 +1,5 @@
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions.BatchExportLogRecordProcessorOptions() -> void
 OpenTelemetry.Logs.LogRecord.Attributes.get -> System.Collections.Generic.IReadOnlyList<System.Collections.Generic.KeyValuePair<string!, object?>>?
 OpenTelemetry.Logs.LogRecord.Attributes.set -> void
 OpenTelemetry.Logs.LogRecord.Body.get -> string?

src/OpenTelemetry/.publicApi/net6.0/PublicAPI.Unshipped.txt

@@ -1,3 +1,5 @@
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions.BatchExportLogRecordProcessorOptions() -> void
 OpenTelemetry.Logs.LogRecord.Attributes.get -> System.Collections.Generic.IReadOnlyList<System.Collections.Generic.KeyValuePair<string!, object?>>?
 OpenTelemetry.Logs.LogRecord.Attributes.set -> void
 OpenTelemetry.Logs.LogRecord.Body.get -> string?

src/OpenTelemetry/.publicApi/netstandard2.0/PublicAPI.Unshipped.txt

@@ -1,3 +1,5 @@
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions.BatchExportLogRecordProcessorOptions() -> void
 OpenTelemetry.Logs.LogRecord.Attributes.get -> System.Collections.Generic.IReadOnlyList<System.Collections.Generic.KeyValuePair<string!, object?>>?
 OpenTelemetry.Logs.LogRecord.Attributes.set -> void
 OpenTelemetry.Logs.LogRecord.Body.get -> string?

src/OpenTelemetry/.publicApi/netstandard2.1/PublicAPI.Unshipped.txt

@@ -1,3 +1,5 @@
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions
+OpenTelemetry.Logs.BatchExportLogRecordProcessorOptions.BatchExportLogRecordProcessorOptions() -> void
 OpenTelemetry.Logs.LogRecord.Attributes.get -> System.Collections.Generic.IReadOnlyList<System.Collections.Generic.KeyValuePair<string!, object?>>?
 OpenTelemetry.Logs.LogRecord.Attributes.set -> void
 OpenTelemetry.Logs.LogRecord.Body.get -> string?

src/OpenTelemetry/BatchExportProcessorOptions.cs

@@ -28,6 +28,7 @@ public class BatchExportProcessorOptions<T>
 
         /// <summary>
         /// Gets or sets the delay interval (in milliseconds) between two consecutive exports. The default value is 5000.
+        /// TODO: This default differs between traces and logs.
         /// </summary>
         public int ScheduledDelayMilliseconds { get; set; } = BatchExportProcessor<T>.DefaultScheduledDelayMilliseconds;
 

src/OpenTelemetry/Logs/BatchExportLogRecordProcessorOptions.cs

@@ -0,0 +1,70 @@
+// <copyright file="BatchExportLogRecordProcessorOptions.cs" company="OpenTelemetry Authors">
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+#nullable enable
+
+using Microsoft.Extensions.Configuration;
+using OpenTelemetry.Internal;
+
+namespace OpenTelemetry.Logs
+{
+    /// <summary>
+    /// Batch span processor options.
+    /// OTEL_BLRP_MAX_QUEUE_SIZE, OTEL_BLRP_MAX_EXPORT_BATCH_SIZE, OTEL_BLRP_EXPORT_TIMEOUT, OTEL_BLRP_SCHEDULE_DELAY
+    /// environment variables are parsed during object construction.
+    /// </summary>
+    public class BatchExportLogRecordProcessorOptions : BatchExportProcessorOptions<LogRecord>
+    {
+        internal const string MaxQueueSizeEnvVarKey = "OTEL_BLRP_MAX_QUEUE_SIZE";
+
+        internal const string MaxExportBatchSizeEnvVarKey = "OTEL_BLRP_MAX_EXPORT_BATCH_SIZE";
+
+        internal const string ExporterTimeoutEnvVarKey = "OTEL_BLRP_EXPORT_TIMEOUT";
+
+        internal const string ScheduledDelayEnvVarKey = "OTEL_BLRP_SCHEDULE_DELAY";
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BatchExportLogRecordProcessorOptions"/> class.
+        /// </summary>
+        public BatchExportLogRecordProcessorOptions()
+            : this(new ConfigurationBuilder().AddEnvironmentVariables().Build())
+        {
+        }
+
+        internal BatchExportLogRecordProcessorOptions(IConfiguration configuration)
+        {
+            if (configuration.TryGetIntValue(ExporterTimeoutEnvVarKey, out int value))
+            {
+                this.ExporterTimeoutMilliseconds = value;
+            }
+
+            if (configuration.TryGetIntValue(MaxExportBatchSizeEnvVarKey, out value))
+            {
+                this.MaxExportBatchSize = value;
+            }
+
+            if (configuration.TryGetIntValue(MaxQueueSizeEnvVarKey, out value))
+            {
+                this.MaxQueueSize = value;
+            }
+
+            if (configuration.TryGetIntValue(ScheduledDelayEnvVarKey, out value))
+            {
+                this.ScheduledDelayMilliseconds = value;
+            }
+        }
+    }
+}