From 452d1d01b84f0a17451e57353c28b34ee6efe27b Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Wed, 2 Jan 2013 13:21:45 +0000
Subject: [PATCH]  * SAM: Synchronize dissector

---
 apps/sam/java/src/net/i2p/sam/SAMDatagramSession.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/apps/sam/java/src/net/i2p/sam/SAMDatagramSession.java b/apps/sam/java/src/net/i2p/sam/SAMDatagramSession.java
index 74a700c36..da961e466 100644
--- a/apps/sam/java/src/net/i2p/sam/SAMDatagramSession.java
+++ b/apps/sam/java/src/net/i2p/sam/SAMDatagramSession.java
@@ -96,9 +96,11 @@ public class SAMDatagramSession extends SAMMessageSession {
         byte[] payload;
         Destination sender;
         try {
-            dgramDissector.loadI2PDatagram(msg);
-            sender = dgramDissector.getSender();
-            payload = dgramDissector.extractPayload();
+            synchronized (dgramDissector) {
+                dgramDissector.loadI2PDatagram(msg);
+                sender = dgramDissector.getSender();
+                payload = dgramDissector.extractPayload();
+            }
         } catch (DataFormatException e) {
             if (_log.shouldLog(Log.DEBUG)) {
                 _log.debug("Dropping ill-formatted I2P repliable datagram");