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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_ADDRESS_TRACKER_LINUX_TEST_UTIL_H_
#define NET_BASE_ADDRESS_TRACKER_LINUX_TEST_UTIL_H_
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <stdint.h>
#include <cstddef>
#include <vector>
bool operator==(const struct ifaddrmsg& lhs, const struct ifaddrmsg& rhs);
namespace net {
class IPAddress;
}
namespace net::test {
using NetlinkBuffer = std::vector<char>;
class NetlinkMessage {
public:
explicit NetlinkMessage(uint16_t type);
~NetlinkMessage();
void AddPayload(const void* data, size_t length);
template <typename T>
void AddPayload(const T& data) {
AddPayload(&data, sizeof(data));
}
void AddAttribute(uint16_t type, const void* data, size_t length);
void AppendTo(NetlinkBuffer* output) const;
private:
void Append(const void* data, size_t length);
void Align();
struct nlmsghdr* header() {
return reinterpret_cast<struct nlmsghdr*>(buffer_.data());
}
NetlinkBuffer buffer_;
};
void MakeAddrMessageWithCacheInfo(uint16_t type,
uint8_t flags,
uint8_t family,
int index,
const IPAddress& address,
const IPAddress& local,
uint32_t preferred_lifetime,
NetlinkBuffer* output);
void MakeAddrMessage(uint16_t type,
uint8_t flags,
uint8_t family,
int index,
const IPAddress& address,
const IPAddress& local,
NetlinkBuffer* output);
void MakeLinkMessage(uint16_t type,
uint32_t flags,
uint32_t index,
NetlinkBuffer* output,
bool clear_output = true);
void MakeWirelessLinkMessage(uint16_t type,
uint32_t flags,
uint32_t index,
NetlinkBuffer* output,
bool clear_output = true);
} // namespace net::test
#endif // NET_BASE_ADDRESS_TRACKER_LINUX_TEST_UTIL_H_
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