From 921ad0ed2552f449e5b6ab7f31940a7aaab19ac1 Mon Sep 17 00:00:00 2001
From: Matthew Endsley <mendsley@gmail.com>
Date: Thu, 17 Dec 2020 10:25:22 -0800
Subject: [PATCH] Add stub DTLS listener

---
 Hazel/Dtls/DtlsConnectionListener.cs | 36 ++++++++++++++++++++++++++++
 Hazel/Hazel.csproj                   |  1 +
 2 files changed, 37 insertions(+)
 create mode 100644 Hazel/Dtls/DtlsConnectionListener.cs

diff --git a/Hazel/Dtls/DtlsConnectionListener.cs b/Hazel/Dtls/DtlsConnectionListener.cs
new file mode 100644
index 0000000..dddc9ca
--- /dev/null
+++ b/Hazel/Dtls/DtlsConnectionListener.cs
@@ -0,0 +1,36 @@
+using System.Net;
+using Hazel.Udp.FewerThreads;
+
+namespace Hazel.Dtls
+{
+    /// <summary>
+    /// Listens for new UDP-DTLS connections and creates UdpConnections for them.
+    /// </summary>
+    /// <inheritdoc />
+    public class DtlsConnectionListener : ThreadLimitedUdpConnectionListener
+    {
+        /// <summary>
+        /// Create a new instance of the DTLS listener
+        /// </summary>
+        /// <param name="numWorkers"></param>
+        /// <param name="endPoint"></param>
+        /// <param name="logger"></param>
+        /// <param name="ipMode"></param>
+        public DtlsConnectionListener(int numWorkers, IPEndPoint endPoint, ILogger logger, IPMode ipMode = IPMode.IPv4)
+            : base(numWorkers, endPoint, logger, ipMode)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override void ProcessIncomingMessageFromOtherThread(MessageReader message, EndPoint peerAddress, ConnectionId connectionId)
+        {
+            base.ProcessIncomingMessageFromOtherThread(message, peerAddress, connectionId);
+        }
+
+        /// <inheritdoc />
+        protected override void QueueRawData(ByteSpan span, EndPoint remoteEndPoint)
+        {
+            base.QueueRawData(span, remoteEndPoint);
+        }
+    }
+}
diff --git a/Hazel/Hazel.csproj b/Hazel/Hazel.csproj
index 9becc82..5f1d51e 100644
--- a/Hazel/Hazel.csproj
+++ b/Hazel/Hazel.csproj
@@ -79,6 +79,7 @@
     <Compile Include="DataReceivedEventArgs.cs" />
     <Compile Include="DisconnectedEventArgs.cs" />
     <Compile Include="Dtls\AesGcmRecordProtection.cs" />
+    <Compile Include="Dtls\DtlsConnectionListener.cs" />
     <Compile Include="Dtls\Handshake.cs" />
     <Compile Include="Dtls\IHandshakeCipherSuite.cs" />
     <Compile Include="Dtls\IRecordProtection.cs" />
-- 
2.39.5