network.h

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/*
 * Copyright (C) 2019 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.
 */
#pragma once
 
#include <cstdint>
#include <set>
#include <string>
 
namespace cuttlefish {
// Check network interface with given name exists, such as cvd-ebr.
bool NetworkInterfaceExists(const std::string& interface_name);
 
#ifdef __linux__
// Returns a list of TAP devices that have open file descriptors
std::set<std::string> TapInterfacesInUse();
#endif
 
void GenerateCorrespondingIpv6ForMac(const std::uint8_t mac[6], std::uint8_t out[16]);
void GenerateMobileMacForInstance(int index, std::uint8_t out[6]);
void GenerateEthMacForInstance(int index, std::uint8_t out[6]);
void GenerateWifiMacForInstance(int index, std::uint8_t out[6]);
 
std::string MacAddressToString(const std::uint8_t mac[6]);
std::string Ipv6ToString(const std::uint8_t ip[16]);
}