BSDSocketTypesPrivate.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/UnrealString.h"
#include "Containers/StringConv.h"
#include "Containers/UnrealString.h"
#include "EventLoop/BSDSocket/BSDSocketTypes.h"
 
#if PLATFORM_HAS_BSD_SOCKETS
 
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_WINSOCKETS
#include "Windows/AllowWindowsPlatformTypes.h"
 
#include <winsock2.h>
#include <ws2tcpip.h>
 
typedef int32 SOCKLEN;
#define strerror_r(errno,buf,len) strerror_s(buf,len,errno)
 
#include "Windows/HideWindowsPlatformTypes.h"
#else // PLATFORM_HAS_BSD_SOCKET_FEATURE_WINSOCKETS
#if HAS_EVENTLOOP_PLATFORM_BSD_SOCKET_HEADER
#include COMPILED_PLATFORM_HEADER(BSDSocketTypesPrivate.h)
#else // HAS_EVENTLOOP_PLATFORM_BSD_SOCKET_HEADER
#include <unistd.h>
#include <sys/socket.h>
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_IOCTL
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#endif // PLATFORM_HAS_BSD_SOCKET_FEATURE_IOCTL
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_POLL
#include <poll.h>
#endif // PLATFORM_HAS_BSD_SOCKET_FEATURE_POLL
#include <netinet/in.h>
#include <arpa/inet.h>
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_GETHOSTNAME
#include <netdb.h>
#endif // PLATFORM_HAS_BSD_SOCKET_FEATURE_GETHOSTNAME
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_NODELAY
#include <netinet/tcp.h>
#endif // PLATFORM_HAS_BSD_SOCKET_FEATURE_NODELAY
 
#if HAS_EVENTLOOP_NOTIFIER_EVENTFD && !HAS_PLATFORM_EVENTLOOP_NOTIFIER_EVENTFD
#include <sys/eventfd.h>
#endif // HAS_EVENTLOOP_NOTIFIER_EVENTFD
 
#define ioctlsocket ioctl
#endif // HAS_EVENTLOOP_PLATFORM_BSD_SOCKET_HEADER
 
#define SOCKET_ERROR -1
#define INVALID_SOCKET -1
 
typedef socklen_t SOCKLEN;
typedef int32 SOCKET;
typedef sockaddr_in SOCKADDR_IN;
typedef struct timeval TIMEVAL;
 
inline int32 closesocket(SOCKET Socket)
{
    shutdown(Socket, SHUT_RDWR); // gracefully shutdown if connected
    return close(Socket);
}
 
#endif // PLATFORM_HAS_BSD_SOCKET_FEATURE_WINSOCKETS
 
inline FString GetLastErrorString()
{
    constexpr uint32 BufferSize = 256;
    ANSICHAR Buffer[BufferSize];
    Buffer[0] = 0;
 
    strerror_r(errno, Buffer, BufferSize);
 
    return FString::Printf(TEXT("%s: (%d)"), StringCast<TCHAR>(Buffer).Get(), errno);
}
 
#endif // PLATFORM_HAS_BSD_SOCKETS