nl_tokens: This creates a new SNMP session .
pl_tokens: function Session ( options ) { var self = this ; self . options = options || { } ; defaults ( self . <mask> , exports . defaultOptions ) ; self . reqs = { } ; self . socket = dgram . createSocket ( self . options . family ) ; self . socket . on ( 'message' , msgReceived . bind ( self ) ) ; self . socket . on ( 'close' , function ( ) { // Remove the socket so we don't try to send a message on // it when it's closed. self . socket = undefined ; } ) ; self . socket . on ( 'error' , function ( ) { // Errors will be emitted here as well as on the callback to the send function. // We handle them there, so doing anything here is unnecessary. // But having no error handler trips up the test suite. } ) ; // If exclusive is false (default), then cluster workers will use the same underlying handle, // allowing connection handling duties to be shared. // When exclusive is true, the handle is not shared, and attempted port sharing results in an error. self . socket . bind ( { port : 0 , //get a random port automatically exclusive : true // you should not share the same port, otherwise yours packages will be screwed up between workers } ) ; }