From 876b1149d548e88ef0342e125c676971bcf2fae9 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Tue, 21 Apr 2020 22:59:54 +0200
Subject: [PATCH] avoid double termination after failed connection

---
 .../conversations/xmpp/jingle/JingleRtpConnection.java    | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
index f183f7ee9..797993aa5 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
@@ -958,7 +958,13 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
 
     private void closeWebRTCSessionAfterFailedConnection() {
         this.webRTCWrapper.close();
-        sendSessionTerminate(Reason.CONNECTIVITY_ERROR);
+        synchronized (this) {
+            if (TERMINATED.contains(state)) {
+                Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": no need to send session-terminate after failed connection. Other party already did");
+                return;
+            }
+            sendSessionTerminate(Reason.CONNECTIVITY_ERROR);
+        }
     }
 
     public AppRTCAudioManager getAudioManager() {