Path: | lib/ohai/plugins/windows/network.rb |
Last Update: | Mon Jun 21 05:15:44 +0000 2010 |
Author: | James Gartrell (<jgartrel@gmail.com>) |
Copyright: | Copyright (c) 2008 Opscode, Inc. |
License: | Apache License, Version 2.0 |
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
# File lib/ohai/plugins/windows/network.rb, line 26 26: def derive_bcast(ipaddr, ipmask, zero_bcast = false) 27: begin 28: ipaddr_int = ipaddr.split(".").collect{ |x| x.to_i}.pack("C4").unpack("N").first 29: ipmask_int = ipmask.split(".").collect{ |x| x.to_i}.pack("C4").unpack("N").first 30: if zero_bcast 31: bcast_int = ipaddr_int & ipmask_int 32: else 33: bcast_int = ipaddr_int | 2 ** 32 - ipmask_int - 1 34: end 35: bcast = [bcast_int].pack("N").unpack("C4").join(".") 36: return bcast 37: rescue 38: return nil 39: end 40: end