1 files changed, 36 insertions, 0 deletions
diff --git a/crypto/src/tls/RecordPreview.cs b/crypto/src/tls/RecordPreview.cs
new file mode 100644
index 000000000..a0abb0fe3
--- /dev/null
+++ b/crypto/src/tls/RecordPreview.cs
@@ -0,0 +1,36 @@
+using System;
+
+namespace Org.BouncyCastle.Tls
+{
+    public sealed class RecordPreview
+    {
+        private readonly int recordSize;
+        private readonly int contentLimit;
+
+        internal static RecordPreview CombineAppData(RecordPreview a, RecordPreview b)
+        {
+            return new RecordPreview(a.RecordSize + b.RecordSize, a.ContentLimit + b.ContentLimit);
+        }
+
+        internal static RecordPreview ExtendRecordSize(RecordPreview a, int recordSize)
+        {
+            return new RecordPreview(a.RecordSize + recordSize, a.ContentLimit);
+        }
+
+        internal RecordPreview(int recordSize, int contentLimit)
+        {
+            this.recordSize = recordSize;
+            this.contentLimit = contentLimit;
+        }
+
+        public int ContentLimit
+        {
+            get { return contentLimit; }
+        }
+
+        public int RecordSize
+        {
+            get { return recordSize; }
+        }
+    }
+}