#11 TrapListener falls afoul of Node 0.10 bind semantics

#12 Bunyan dependency change and logging fix

lib/trap_listener.js

@@ -73,7 +73,7 @@ TrapListener.prototype._recv = function _recv(raw, src) {
 	this._process_msg(msg);
 };
 
-TrapListener.prototype.bind = function bind(arg) {
+TrapListener.prototype.bind = function bind(arg, cb) {
 	var self = this;
 	var conn;
 
@@ -87,6 +87,9 @@ TrapListener.prototype.bind = function bind(arg) {
 	    typeof (arg.addr) !== 'string')
 		throw new TypeError('arg.addr must be a string');
 
+	if (cb !== undefined && typeof (cb) !== 'function')
+		throw new TypeError('cb must be a function');
+
 	conn = dgram.createSocket(arg.family);
 	conn.on('message', function _recv_binder(msg, rinfo) {
 		var raw = {
@@ -102,9 +105,14 @@ TrapListener.prototype.bind = function bind(arg) {
 	});
 	this._connections.push(conn);
 
+	conn.on('listening', function () {
+		self._log.info('Bound to ' + conn.address().address + ':' +
+		    conn.address().port);
+		if (cb)
+			cb();
+	});
+
 	conn.bind(arg.port, arg.addr);
-	this._log.info('Bound to ' + conn.address().address + ':' +
-	    conn.address().port);
 };
 
 TrapListener.prototype.close = function close() {

package.json

@@ -2,7 +2,7 @@
 	"author": "Keith M Wesolowski <keith.wesolowski@joyent.com>",
 	"name": "snmpjs",
 	"description": "Simple Network Management Protocol toolkit",
-	"version": "0.1.3",
+	"version": "0.1.4",
 	"repository": {
 		"type": "git",
 		"url": "git://github.com/wesolows/node-snmpjs.git"
@@ -17,7 +17,7 @@
 	"dependencies": {
 		"jison": "0.3",
 		"asn1": "~0.1",
-		"bunyan": "~0.18",
+		"bunyan": "~0.21",
 		"dtrace-provider": "~0.2"
 	},
 	"devDependencies": {

tl.js

@@ -26,7 +26,7 @@ tl = snmp.createTrapListener({
 	log: log
 });
 
-tl.bind({ family: 'udp4', port: 162 });
 tl.on('trap', function (msg) {
 	console.log(util.inspect(snmp.message.serializer(msg), false, null));
 });
+tl.bind({ family: 'udp4', port: 162 });