Bully
node.js module to elect a master peer in a distributed system. This module uses the Bully Algorithm for the election process. Unresponsive/offline peers will be recognized through heartbeat timeouts.
Usage
Install via npm
:
npm install bully
Include in your project
var Bully = ; var opts = id: "id" /* unique identifier of this peer */ peers: /* event emitter instances of other peers */ me: me /* event emitter instance of local peer */ var bully = opts; bully;bully;
Adding a new peer
var EventEmitter = EventEmitter; var peer = ;peerid = 'anoter_unique_id'; bully;
Remove peer
bully;
Error handling
bully;
Errors:
Unknown Peer
: triggered once a message is received from an unknown
Example
See example.js
. Run with full debug information as follows:
DEBUG=bully npm test