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      1 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 from autotest_lib.client.cros import dhcp_packet
      6 from autotest_lib.client.cros import dhcp_test_base
      7 
      8 # Length of time the lease from the DHCP server is valid.
      9 LEASE_TIME_SECONDS = 60
     10 # We'll fill in the subnet and give this address to the client.
     11 INTENDED_IP_SUFFIX = "0.0.0.101"
     12 
     13 class network_DhcpNegotiationSuccess(dhcp_test_base.DhcpTestBase):
     14     def test_body(self):
     15         subnet_mask = self.ethernet_pair.interface_subnet_mask
     16         intended_ip = dhcp_test_base.DhcpTestBase.rewrite_ip_suffix(
     17                 subnet_mask,
     18                 self.server_ip,
     19                 INTENDED_IP_SUFFIX)
     20         # Two real name servers, and a bogus one to be unpredictable.
     21         dns_servers = ["8.8.8.8", "8.8.4.4", "192.168.87.88"]
     22         domain_name = "corp.google.com"
     23         dns_search_list = [
     24                 "corgie.google.com",
     25                 "lies.google.com",
     26                 "that.is.a.tasty.burger.google.com",
     27                 ]
     28         # This is the pool of information the server will give out to the client
     29         # upon request.
     30         dhcp_options = {
     31                 dhcp_packet.OPTION_SERVER_ID : self.server_ip,
     32                 dhcp_packet.OPTION_SUBNET_MASK : subnet_mask,
     33                 dhcp_packet.OPTION_IP_LEASE_TIME : LEASE_TIME_SECONDS,
     34                 dhcp_packet.OPTION_REQUESTED_IP : intended_ip,
     35                 dhcp_packet.OPTION_DNS_SERVERS : dns_servers,
     36                 dhcp_packet.OPTION_DOMAIN_NAME : domain_name,
     37                 dhcp_packet.OPTION_DNS_DOMAIN_SEARCH_LIST : dns_search_list,
     38                 }
     39         self.negotiate_and_check_lease(dhcp_options)
     40