Add support for specifying printer server's IP

Author: jesusoterogomez

lib/bind.js

@@ -23,14 +23,18 @@ module.exports = function (printer) {
   } else {
     server = printer.server = http.createServer(onrequest)
     server.on('error', onerror)
-    server.listen(printer.port, onlistening)
+    server.listen({
+      host: printer.host,
+      port: printer.port
+    }, onlistening)
   }
 
   // Enable destroy method in http server
   serverDestroy(server)
 
   // Enhance printer object
   printer.destroy = destroy
+  printer.bonjour = bonjour
 
   return printer
 
@@ -100,14 +104,14 @@ module.exports = function (printer) {
   function onlistening () {
     printer.port = server.address().port
 
-    if (!printer.uri) printer.uri = 'ipp://' + os.hostname() + ':' + printer.port + '/'
+    if (!printer.uri) printer.uri = 'ipp://' + printer.host + ':' + printer.port + '/'
 
     debug('printer "%s" is listening on %s', printer.name, printer.uri)
     printer.start()
 
     if (printer._zeroconf) {
       debug('advertising printer "%s" on network on port %s', printer.name, printer.port)
-      bonjour.publish({ type: 'ipp', port: printer.port, name: printer.name })
+      bonjour.publish({ type: 'ipp', ip: printer.host, port: printer.port, name: printer.name, host: printer.host })
     }
   }
 }

lib/printer.js

@@ -6,6 +6,7 @@ var debug = require('debug')(require('../package').name)
 var ipp = require('ipp-encoder')
 var utils = require('./utils')
 var bind = require('./bind')
+var os = require('os')
 
 var C = ipp.CONSTANTS
 
@@ -27,6 +28,7 @@ function Printer (opts) {
   this.jobs = []
   this.name = opts.name
   this.port = opts.port
+  this.host = opts.host || os.hostname
   this.uri = opts.uri
   this.state = C.STOPPED
   this.server = opts.server