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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef GUEST_GCE_NETWORK_NETWORK_INTERFACE_H_
#define GUEST_GCE_NETWORK_NETWORK_INTERFACE_H_
#include <string>
namespace cvd {
// Abstraction of network interfaces.
// This interface provides means to modify network interface parameters.
class NetworkInterface {
public:
explicit NetworkInterface(size_t if_index)
: if_index_(if_index) {}
NetworkInterface() = default;
~NetworkInterface() = default;
// Get network interface index.
size_t Index() const {
return if_index_;
}
// Set name of the network interface.
NetworkInterface& SetName(const std::string& new_name) {
name_ = new_name;
return *this;
}
// Get name of the network interface.
// Returns name, if previously set.
const std::string& Name() const {
return name_;
}
int PrefixLength() const {
return prefix_len_;
}
// Set operational state of the network interface (ie. whether interface is
// up).
NetworkInterface& SetOperational(bool is_operational) {
is_operational_ = is_operational;
return *this;
}
// Get operational state of the interface. Value of 'true' indicates interface
// should be 'up'.
bool IsOperational() const {
return is_operational_;
}
// Set IPv4 address of the network interface.
NetworkInterface& SetAddress(const std::string& address) {
ip_address_ = address;
return *this;
}
// Get IPv4 address of the network interface.
const std::string& Address() const {
return ip_address_;
}
// Set IPv4 broadcast address of the network interface.
NetworkInterface& SetBroadcastAddress(const std::string& address) {
bc_address_ = address;
return *this;
}
// Set IPv4 prefix length
NetworkInterface& SetPrefixLength(int len) {
prefix_len_ = len;
return *this;
}
// Get IPv4 broadcast address of the network interface.
const std::string& BroadcastAddress() const {
return bc_address_;
}
private:
// Index of the network interface in the system table. 0 indicates new
// interface.
size_t if_index_ = 0;
// Name of the interface, e.g. "eth0".
std::string name_;
// Operational status, i.e. whether interface is up.
bool is_operational_ = false;
// IPv4 address of this interface.
std::string ip_address_;
// IPv4 broadcast address of this interface.
std::string bc_address_;
// IPv4 prefix (aka netmask. 0 means use the default)
int prefix_len_ = 24;
NetworkInterface(const NetworkInterface&);
NetworkInterface& operator= (const NetworkInterface&);
};
} // namespace cvd
#endif // GUEST_GCE_NETWORK_NETWORK_INTERFACE_H_
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