From c9c2a65a0a7314f1fa009c022ee5b0ac29cf8abf Mon Sep 17 00:00:00 2001
From: Jeremy Lakeman <jeremy.lakeman@flinders.edu.au>
Date: Mon, 1 Aug 2016 11:40:38 +0930
Subject: [PATCH] Return unique id for each message

---
 .../servalproject/servaldna/meshms/MeshMSMessage.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/java/org/servalproject/servaldna/meshms/MeshMSMessage.java b/java/org/servalproject/servaldna/meshms/MeshMSMessage.java
index 6cb69d13..ea175b6c 100644
--- a/java/org/servalproject/servaldna/meshms/MeshMSMessage.java
+++ b/java/org/servalproject/servaldna/meshms/MeshMSMessage.java
@@ -80,4 +80,14 @@ public class MeshMSMessage {
 		this.ackOffset = ack_offset;
 	}
 
+	public long getId(){
+		switch (type){
+			default:
+				return offset;
+			case MESSAGE_RECEIVED:
+				return -offset;
+			case ACK_RECEIVED:
+				return 0;
+		}
+	}
 }