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Ensure mqtt message handlers are tidied up properly on partial deploy

This commit is contained in:
Nick O'Leary 2019-03-29 10:30:11 +00:00
parent 8ac3899ddc
commit 63829b6382
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@ -315,7 +315,7 @@ module.exports = function(RED) {
} }
}; };
this.unsubscribe = function (topic, ref) { this.unsubscribe = function (topic, ref, removed) {
ref = ref||0; ref = ref||0;
var sub = node.subscriptions[topic]; var sub = node.subscriptions[topic];
if (sub) { if (sub) {
@ -323,10 +323,12 @@ module.exports = function(RED) {
node.client.removeListener('message',sub[ref].handler); node.client.removeListener('message',sub[ref].handler);
delete sub[ref]; delete sub[ref];
} }
if (Object.keys(sub).length === 0) { if (removed) {
delete node.subscriptions[topic]; if (Object.keys(sub).length === 0) {
if (node.connected) { delete node.subscriptions[topic];
node.client.unsubscribe(topic); if (node.connected) {
node.client.unsubscribe(topic);
}
} }
} }
} }
@ -430,10 +432,7 @@ module.exports = function(RED) {
} }
this.on('close', function(removed, done) { this.on('close', function(removed, done) {
if (node.brokerConn) { if (node.brokerConn) {
if (removed) { node.brokerConn.unsubscribe(node.topic,node.id, removed);
// This node has been removed so remove any subscriptions
node.brokerConn.unsubscribe(node.topic,node.id);
}
node.brokerConn.deregister(node,done); node.brokerConn.deregister(node,done);
} }
}); });