| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| import time |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros import dhcp_test_base |
| |
| class network_DhcpFailureWithStaticIP(dhcp_test_base.DhcpTestBase): |
| """The DHCP Negotiation Timeout class. |
| |
| Sets up a virtual ethernet pair, and stops the DHCP server on the |
| pair. Static IP parameters are configured on the interface using |
| shill's StaticIP configuration. Ensure that these parameters are |
| immediately applied to the ipconfig. |
| |
| After the DHCP timeout interval, check to make sure that the same |
| IP config remains applied. |
| |
| """ |
| SHILL_DHCP_TIMEOUT_SECONDS = 30 |
| |
| |
| def check_static_ip_config(self, ipconfig, static_ip_address, name_servers): |
| """Checks that the static IP configuration is applied to the |
| interface ipconfig. |
| |
| @param ipconfig object representing the DBus IPConfig entity to check. |
| @param static_ip_address string IP address we expect to be configured. |
| @param name_servers list of string name servers we expect to be |
| configured on the interface. |
| |
| """ |
| ipconfig_properties = self.shill_proxy.dbus2primitive( |
| ipconfig.GetProperties(utf8_strings=True)) |
| |
| logging.info('IPConfig properties are %r', ipconfig_properties) |
| if static_ip_address != ipconfig_properties['Address']: |
| raise error.TestFail('Expected address %r but got %r' % |
| (static_ip_address, |
| ipconfig_properties['Address'])) |
| |
| if name_servers != ipconfig_properties['NameServers']: |
| raise error.TestFail('Expected name servers %r but got %r' % |
| (name_servers, |
| ipconfig_properties['NameServers'])) |
| |
| |
| def get_ipconfig(self): |
| """Returns the first IPConfig object associated with the peer device.""" |
| ipconfig_objects = ( |
| self.get_interface_ipconfig_objects( |
| self.ethernet_pair.peer_interface_name)) |
| if len(ipconfig_objects) == 0: |
| raise error.TestFail('Failed to retrieve DHCP ipconfig object ' |
| 'from shill.') |
| return ipconfig_objects[0] |
| |
| |
| def test_body(self): |
| """Test main loop.""" |
| self.server.stop() |
| service = self.find_ethernet_service( |
| self.ethernet_pair.peer_interface_name) |
| |
| static_ip_address = '192.168.1.101' |
| prefix_len = 23 |
| service.SetProperty('StaticIP.Address', static_ip_address) |
| service.SetProperty('StaticIP.Prefixlen', prefix_len) |
| name_servers = [ '10.10.10.10', '10.10.11.11' ] |
| service.SetProperty('StaticIP.NameServers', |
| ','.join(name_servers)) |
| ipconfig = self.get_ipconfig() |
| ipconfig.Refresh() |
| |
| self.check_static_ip_config(ipconfig, static_ip_address, name_servers) |
| |
| # Make sure configuration is still correct after DHCP timeout. |
| time.sleep(self.SHILL_DHCP_TIMEOUT_SECONDS + 2) |
| ipconfig = self.get_ipconfig() |
| self.check_static_ip_config(ipconfig, static_ip_address, name_servers) |
