2 files changed, 25 insertions, 0 deletions
diff --git a/src/main/java/derms/net/tomulticast/Receive.java b/src/main/java/derms/net/tomulticast/Receive.java
index e89ae1b..6bc2df5 100644
--- a/src/main/java/derms/net/tomulticast/Receive.java
+++ b/src/main/java/derms/net/tomulticast/Receive.java
@@ -5,6 +5,7 @@ import derms.net.MessagePayload;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
+import java.net.NetworkInterface;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.PriorityBlockingQueue;
 
@@ -17,6 +18,12 @@ class Receive<T extends MessagePayload> extends TotalOrderMulticast<T> implement
     private final PriorityBlockingQueue<Message<T>> holdback;
     private final BlockingQueue<Message<T>> deliver;
 
+    Receive(InetSocketAddress group, InetAddress laddr, BlockingQueue<Message<T>> deliver, NetworkInterface ifs) throws IOException {
+        super(group, laddr, ifs);
+        this.holdback = new PriorityBlockingQueue<Message<T>>();
+        this.deliver = deliver;
+    }
+
     Receive(InetSocketAddress group, InetAddress laddr, BlockingQueue<Message<T>> deliver) throws IOException {
         super(group, laddr);
         this.holdback = new PriorityBlockingQueue<Message<T>>();
diff --git a/src/main/java/derms/net/tomulticast/TotalOrderMulticastReceiver.java b/src/main/java/derms/net/tomulticast/TotalOrderMulticastReceiver.java
index 549af16..bb0f2d8 100644
--- a/src/main/java/derms/net/tomulticast/TotalOrderMulticastReceiver.java
+++ b/src/main/java/derms/net/tomulticast/TotalOrderMulticastReceiver.java
@@ -6,6 +6,7 @@ import derms.util.ThreadPool;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
+import java.net.NetworkInterface;
 import java.time.Duration;
 import java.util.concurrent.*;
 import java.util.logging.Logger;
@@ -24,6 +25,23 @@ public class TotalOrderMulticastReceiver<T extends MessagePayload> {
      *
      * @param group The IP address and port of the multicast group.
      * @param laddr The IP address of the local process.
+     * @param ifs The network interface to use.
+     */
+    public TotalOrderMulticastReceiver(InetSocketAddress group, InetAddress laddr, NetworkInterface ifs) throws IOException {
+        this.deliver = new LinkedBlockingQueue<Message<T>>();
+        this.log = Logger.getLogger(getClass().getName());
+
+        this.pool = Executors.newSingleThreadExecutor();
+        this.receiver = new Receive<T>(group, laddr, deliver, ifs);
+        pool.execute(receiver);
+    }
+
+    /**
+     * Join the specified totally-ordered multicast group as a receiver using the
+     * default network interface of the machine.
+     *
+     * @param group The IP address and port of the multicast group.
+     * @param laddr The IP address of the local process.
      */
     public TotalOrderMulticastReceiver(InetSocketAddress group, InetAddress laddr) throws IOException {
         this.deliver = new LinkedBlockingQueue<Message<T>>();