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Code Issues Releases Wiki Activity

Clear MQTT Connection watchdog on error

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This commit is contained in:
Nick O'Leary 2014-04-19 22:17:14 +01:00
parent 4ae5f34d2e
commit eee8f89146
2 changed files with 12 additions and 0 deletions
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11
nodes/core/io/lib/mqtt.js
View File

@ -16,6 +16,7 @@
var util = require("util");
var mqtt = require("mqtt");
var events = require("events");
//var inspect = require("sys").inspect;
//var Client = module.exports.Client = function(
@ -55,11 +56,14 @@ MQTTClient.prototype.connect = function(options) {
self.client = mqtt.createConnection(this.port,this.host,function(err,client) {
if (err) {
self.connected = false;
clearInterval(self.watchdog);
self.connectionError = true;
//util.log('[mqtt] ['+self.uid+'] connection error 1 : '+inspect(err));
self.emit('connectionlost',err);
return;
}
client.on('close',function(e) {
//util.log('[mqtt] ['+self.uid+'] on close');
clearInterval(self.watchdog);
if (!self.connectionError) {
if (self.connected) {
@ -71,6 +75,7 @@ MQTTClient.prototype.connect = function(options) {
}
});
client.on('error',function(e) {
//util.log('[mqtt] ['+self.uid+'] on error : '+inspect(e));
clearInterval(self.watchdog);
if (self.connected) {
self.connected = false;
@ -81,13 +86,18 @@ MQTTClient.prototype.connect = function(options) {
if (packet.returnCode == 0) {
self.watchdog = setInterval(function(self) {
var now = (new Date()).getTime();
//util.log('[mqtt] ['+self.uid+'] watchdog '+inspect({connected:self.connected,connectionError:self.connectionError,pingOutstanding:self.pingOutstanding,now:now,lastOutbound:self.lastOutbound,lastInbound:self.lastInbound}));
if (now - self.lastOutbound > self.options.keepalive*500 || now - self.lastInbound > self.options.keepalive*500) {
if (self.pingOutstanding) {
//util.log('[mqtt] ['+self.uid+'] watchdog pingOustanding - disconnect');
try {
self.client.disconnect();
} catch (err) {
}
} else {
//util.log('[mqtt] ['+self.uid+'] watchdog pinging');
self.lastOutbound = (new Date()).getTime();
self.lastInbound = (new Date()).getTime();
self.pingOutstanding = true;
@ -161,6 +171,7 @@ MQTTClient.prototype.connect = function(options) {
// outbound qos-2 complete
});
client.on('pingresp',function(packet) {
//util.log('[mqtt] ['+self.uid+'] received pingresp');
self.lastInbound = (new Date()).getTime()
self.pingOutstanding = false;
});

1
nodes/core/io/lib/mqttConnectionPool.js
View File

@ -34,6 +34,7 @@ module.exports = {
connections[id] = function() {
var uid = (1+Math.random()*4294967295).toString(16);
var client = mqtt.createClient(port,broker);
client.uid = uid;
client.setMaxListeners(0);
var options = {keepalive:15};
options.clientId = clientid || 'mqtt_' + (1+Math.random()*4294967295).toString(16);