frodovdr/node-red
1
0
Fork 0
mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00
Code Issues Releases Wiki Activity

Guard against null client in MQTT nodes

Browse Source 
Fixes #130

There was a timing window where a client could connect to a broker just as new flows were deployed that would cause the on-connect callback to be called after client has been set to null. This caused an NPE.

The fix is to check client isn't null in the event handler.
This commit is contained in:
Nick O'Leary 2014-01-13 11:27:09 +00:00
parent 10b7f402c3
commit 6b3010f95b
1 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
nodes/core/io/lib/mqttConnectionPool.js
View File

@ -84,7 +84,7 @@ module.exports = {
} }
}; };
client.on('connect',function() { client.on('connect',function() {
if (client) {
util.log('[mqtt] connected to broker tcp://'+broker+':'+port); util.log('[mqtt] connected to broker tcp://'+broker+':'+port);
connecting = false; connecting = false;
@ -100,6 +100,7 @@ module.exports = {
//console.log(msg); //console.log(msg);
client.publish(msg.topic,msg.payload,msg.qos,msg.retain); client.publish(msg.topic,msg.payload,msg.qos,msg.retain);
} }
}
}); });
client.on('connectionlost', function(err) { client.on('connectionlost', function(err) {
util.log('[mqtt] connection lost to broker tcp://'+broker+':'+port); util.log('[mqtt] connection lost to broker tcp://'+broker+':'+port);