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Fire event for another node being demoted #41

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37 changes: 20 additions & 17 deletions lib/discover.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,25 +3,26 @@
* Node Discover
*
* Attributes
* Nodes
* nodes
*
* Methods
* Promote
* Demote
* Join
* Leave
* Advertise
* Send
* Start
* Stop
* EachNode(fn)
* promote
* demote
* join
* leave
* advertise
* send
* start
* stop
* eachNode(fn)
*
* Events
* Promotion
* Demotion
* Added
* Removed
* Master
* promotion
* demotion
* added
* removed
* master
* masterDemoted
*
*
* checkInterval should be greater than hello interval or you're just wasting cpu
Expand All @@ -35,7 +36,7 @@ var Network = require('./network.js'),
EventEmitter = require('events').EventEmitter,
util = require('util');

var reservedEvents = ['promotion', 'demotion', 'added', 'removed', 'master', 'hello'];
var reservedEvents = ['promotion', 'demotion', 'added', 'removed', 'master', 'masterDemoted', 'hello'];

module.exports = Discover;

Expand Down Expand Up @@ -230,12 +231,14 @@ function Discover (options, callback) {

self.emit("master", node, obj, rinfo);
}
} else if (wasMaster) {
self.emit("masterDemoted", node, obj, rinfo);
}

self.emit("helloReceived", node, obj, rinfo, isNew, wasMaster);
};

self.broadcast.on("hello", self.evaluateHello);
self.broadcast.on("hello", self.evaluateHello.bind(self));

self.broadcast.on("error", function (error) {
self.emit("error", error);
Expand Down