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// Copyright 2019 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_QUIC_ADDRESS_UTILS_H_
#define NET_QUIC_ADDRESS_UTILS_H_
#include "base/containers/span.h"
#include "net/base/ip_address.h"
#include "net/base/ip_address_util.h"
#include "net/base/ip_endpoint.h"
#include "net/third_party/quiche/src/quiche/common/quiche_ip_address.h"
#include "net/third_party/quiche/src/quiche/common/quiche_ip_address_family.h"
#include "net/third_party/quiche/src/quiche/quic/platform/api/quic_socket_address.h"
namespace net {
inline IPEndPoint ToIPEndPoint(quic::QuicSocketAddress address) {
if (!address.IsInitialized()) {
return IPEndPoint();
}
IPEndPoint result;
sockaddr_storage storage = address.generic_address();
const bool success = result.FromSockAddr(
reinterpret_cast<const sockaddr*>(&storage), sizeof(storage));
DCHECK(success);
return result;
}
inline IPAddress ToIPAddress(quiche::QuicheIpAddress address) {
if (!address.IsInitialized()) {
return IPAddress();
}
switch (address.address_family()) {
case quiche::IpAddressFamily::IP_V4: {
in_addr raw_address = address.GetIPv4();
// `s_addr` is a `uint32_t`, but it is already in network byte order.
return IPAddress(base::byte_span_from_ref(raw_address.s_addr));
}
case quiche::IpAddressFamily::IP_V6: {
in6_addr raw_address = address.GetIPv6();
return IPAddress(raw_address.s6_addr);
}
default:
DCHECK_EQ(address.address_family(), quiche::IpAddressFamily::IP_UNSPEC);
return IPAddress();
}
}
inline quic::QuicSocketAddress ToQuicSocketAddress(IPEndPoint address) {
if (address.address().empty()) {
return quic::QuicSocketAddress();
}
sockaddr_storage result;
socklen_t size = sizeof(result);
if (!address.ToSockAddr(reinterpret_cast<sockaddr*>(&result), &size)) {
return quic::QuicSocketAddress();
}
return quic::QuicSocketAddress(result);
}
inline quiche::QuicheIpAddress ToQuicheIpAddress(net::IPAddress address) {
if (address.IsIPv4()) {
return quiche::QuicheIpAddress(ToInAddr(address));
}
if (address.IsIPv6()) {
return quiche::QuicheIpAddress(ToIn6Addr(address));
}
DCHECK(address.empty());
return quiche::QuicheIpAddress();
}
} // namespace net
#endif // NET_QUIC_ADDRESS_UTILS_H_
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