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// Copyright 2018 The gVisor Authors.
//
// 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 GVISOR_TEST_SYSCALLS_IP_SOCKET_TEST_UTIL_H_
#define GVISOR_TEST_SYSCALLS_IP_SOCKET_TEST_UTIL_H_
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <sys/types.h>
#include <string>
#include "test/syscalls/linux/socket_test_util.h"
namespace gvisor {
namespace testing {
// InterfaceIndex returns the index of the named interface.
PosixErrorOr<int> InterfaceIndex(std::string name);
// IPv6TCPAcceptBindSocketPair returns a SocketPairKind that represents
// SocketPairs created with bind() and accept() syscalls with AF_INET6 and the
// given type bound to the IPv6 loopback.
SocketPairKind IPv6TCPAcceptBindSocketPair(int type);
// IPv4TCPAcceptBindSocketPair returns a SocketPairKind that represents
// SocketPairs created with bind() and accept() syscalls with AF_INET and the
// given type bound to the IPv4 loopback.
SocketPairKind IPv4TCPAcceptBindSocketPair(int type);
// DualStackTCPAcceptBindSocketPair returns a SocketPairKind that represents
// SocketPairs created with bind() and accept() syscalls with AF_INET6 and the
// given type bound to the IPv4 loopback.
SocketPairKind DualStackTCPAcceptBindSocketPair(int type);
// IPv6UDPBidirectionalBindSocketPair returns a SocketPairKind that represents
// SocketPairs created with bind() and connect() syscalls with AF_INET6 and the
// given type bound to the IPv6 loopback.
SocketPairKind IPv6UDPBidirectionalBindSocketPair(int type);
// IPv4UDPBidirectionalBindSocketPair returns a SocketPairKind that represents
// SocketPairs created with bind() and connect() syscalls with AF_INET and the
// given type bound to the IPv4 loopback.
SocketPairKind IPv4UDPBidirectionalBindSocketPair(int type);
// DualStackUDPBidirectionalBindSocketPair returns a SocketPairKind that
// represents SocketPairs created with bind() and connect() syscalls with
// AF_INET6 and the given type bound to the IPv4 loopback.
SocketPairKind DualStackUDPBidirectionalBindSocketPair(int type);
// IPv4UDPUnboundSocketPair returns a SocketPairKind that represents
// SocketPairs created with AF_INET and the given type.
SocketPairKind IPv4UDPUnboundSocketPair(int type);
// IPv4UDPUnboundSocketPair returns a SocketKind that represents
// a SimpleSocket created with AF_INET, SOCK_DGRAM, and the given type.
SocketKind IPv4UDPUnboundSocket(int type);
// IPv4TCPUnboundSocketPair returns a SocketKind that represents
// a SimpleSocket created with AF_INET, SOCK_STREAM and the given type.
SocketKind IPv4TCPUnboundSocket(int type);
// IfAddrHelper is a helper class that determines the local interfaces present
// and provides functions to obtain their names, index numbers, and IP address.
class IfAddrHelper {
public:
IfAddrHelper() : ifaddr_(nullptr) {}
~IfAddrHelper() { Release(); }
PosixError Load();
void Release();
std::vector<std::string> InterfaceList(int family);
struct sockaddr* GetAddr(int family, std::string name);
PosixErrorOr<int> GetIndex(std::string name);
private:
struct ifaddrs* ifaddr_;
};
// GetAddr4Str returns the given IPv4 network address structure as a string.
std::string GetAddr4Str(in_addr* a);
// GetAddr6Str returns the given IPv6 network address structure as a string.
std::string GetAddr6Str(in6_addr* a);
// GetAddrStr returns the given IPv4 or IPv6 network address structure as a
// string.
std::string GetAddrStr(sockaddr* a);
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_SYSCALLS_IP_SOCKET_TEST_UTIL_H_
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