| // Copyright (c) 2011 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. |
| |
| #include "shill/connection.h" |
| |
| #include "shill/resolver.h" |
| #include "shill/routing_table.h" |
| #include "shill/rtnl_handler.h" |
| |
| using std::string; |
| |
| namespace shill { |
| |
| // static |
| const uint32 Connection::kDefaultMetric = 1; |
| // static |
| const uint32 Connection::kNonDefaultMetric = 10; |
| |
| Connection::Connection(int interface_index, const std::string& interface_name) |
| : is_default_(false), |
| interface_index_(interface_index), |
| interface_name_(interface_name), |
| resolver_(Resolver::GetInstance()), |
| routing_table_(RoutingTable::GetInstance()), |
| rtnl_handler_(RTNLHandler::GetInstance()) { |
| VLOG(2) << __func__; |
| } |
| |
| Connection::~Connection() { |
| routing_table_->FlushRoutes(interface_index_); |
| // TODO(pstew): Also flush all addresses when DeviceInfo starts tracking them |
| VLOG(2) << __func__; |
| } |
| |
| void Connection::UpdateFromIPConfig(const IPConfigRefPtr &config) { |
| VLOG(2) << __func__; |
| |
| // TODO(pstew): Create a centralized resource (perhaps in DeviceInfo?) to |
| // keep apply and keep track of addresses associated with an interface. |
| // Use this instead of directly setting the address over RTNL. |
| rtnl_handler_->AddInterfaceAddress(interface_index_, *config); |
| |
| uint32 metric = is_default_ ? kDefaultMetric : kNonDefaultMetric; |
| routing_table_->SetDefaultRoute(interface_index_, config, metric); |
| |
| // Save a copy of the last non-null DNS config |
| if (!config->properties().dns_servers.empty()) { |
| dns_servers_ = config->properties().dns_servers; |
| dns_domain_search_ = config->properties().domain_search; |
| } |
| |
| if (is_default_) { |
| resolver_->SetDNSFromIPConfig(config); |
| } |
| } |
| |
| void Connection::SetDefault(bool is_default) { |
| VLOG(2) << __func__; |
| if (is_default == is_default_) { |
| return; |
| } |
| |
| routing_table_->SetDefaultMetric(interface_index_, |
| is_default ? kDefaultMetric : kNonDefaultMetric); |
| |
| if (is_default) { |
| resolver_->SetDNSFromLists(dns_servers_, dns_domain_search_); |
| } |
| |
| is_default_ = is_default; |
| } |
| |
| } // namespace shill |