73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef COMMON_LIBS_NET_NETWORK_INTERFACE_MANAGER_H_
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#define COMMON_LIBS_NET_NETWORK_INTERFACE_MANAGER_H_
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#include <memory>
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#include <string>
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#include "common/libs/net/netlink_client.h"
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#include "common/libs/net/network_interface.h"
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namespace cuttlefish {
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// Network interface manager class.
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// - Provides access for existing network interfaces,
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// - provides means to create new virtual interfaces.
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//
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// Example usage:
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//
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// std::unique_ptr<NetlinkClient> client(NetlinkClient::GetDefault());
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// NetworkInterfaceManager manager(client.get());
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// std::unique_ptr<NetworkInterface> iface(manager.Open("eth0", "em0"));
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//
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class NetworkInterfaceManager {
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public:
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// Open existing network interface.
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//
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// NOTE: this method does not fill in any NetworkInterface details yet.
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std::unique_ptr<NetworkInterface> Open(const std::string& if_name,
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const std::string& if_name_alt);
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// Apply changes made to existing network interface.
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// This method cannot be used to instantiate new network interfaces.
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bool ApplyChanges(const NetworkInterface& interface);
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// Create new connected pair of virtual (veth) interfaces.
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// Supplied pair of interfaces describe both endpoints' properties.
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bool CreateVethPair(const NetworkInterface& first,
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const NetworkInterface& second);
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// Creates new NetworkInterfaceManager.
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static std::unique_ptr<NetworkInterfaceManager> New(
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NetlinkClientFactory* factory);
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private:
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NetworkInterfaceManager(std::unique_ptr<NetlinkClient> nl_client);
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// Build (partial) netlink request.
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bool BuildRequest(NetlinkRequest* request, const NetworkInterface& interface);
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std::unique_ptr<NetlinkClient> nl_client_;
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NetworkInterfaceManager(const NetworkInterfaceManager&);
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NetworkInterfaceManager& operator= (const NetworkInterfaceManager&);
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};
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} // namespace cuttlefish
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#endif // COMMON_LIBS_NET_NETWORK_INTERFACE_MANAGER_H_
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