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Work on sockets #1345

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Jun 4, 2019
Merged

Work on sockets #1345

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22 changes: 15 additions & 7 deletions src/DeviceInterfaces/System.Net/sys_net_native.cpp
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,10 @@ static const CLR_RT_MethodHandler method_lookup[] =
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
Library_sys_net_native_System_Net_NetworkInformation_NetworkInterface::InitializeNetworkInterfaceSettings___VOID,
Library_sys_net_native_System_Net_NetworkInformation_NetworkInterface::UpdateConfiguration___VOID__I4,
NULL,
Expand Down Expand Up @@ -157,18 +161,21 @@ static const CLR_RT_MethodHandler method_lookup[] =
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
Library_sys_net_native_System_Net_Sockets_NativeSocket::socket___STATIC__I4__I4__I4__I4,
Library_sys_net_native_System_Net_Sockets_NativeSocket::bind___STATIC__VOID__OBJECT__SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::connect___STATIC__VOID__OBJECT__SZARRAY_U1__BOOLEAN,
Library_sys_net_native_System_Net_Sockets_NativeSocket::bind___STATIC__VOID__OBJECT__SystemNetEndPoint,
Library_sys_net_native_System_Net_Sockets_NativeSocket::connect___STATIC__VOID__OBJECT__SystemNetEndPoint__BOOLEAN,
Library_sys_net_native_System_Net_Sockets_NativeSocket::send___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4,
Library_sys_net_native_System_Net_Sockets_NativeSocket::recv___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4,
Library_sys_net_native_System_Net_Sockets_NativeSocket::close___STATIC__I4__OBJECT,
Library_sys_net_native_System_Net_Sockets_NativeSocket::listen___STATIC__VOID__OBJECT__I4,
Library_sys_net_native_System_Net_Sockets_NativeSocket::accept___STATIC__I4__OBJECT,
Library_sys_net_native_System_Net_Sockets_NativeSocket::getaddrinfo___STATIC__VOID__STRING__BYREF_STRING__BYREF_SZARRAY_SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::shutdown___STATIC__VOID__OBJECT__I4__BYREF_I4,
Library_sys_net_native_System_Net_Sockets_NativeSocket::sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SystemNetEndPoint,
Library_sys_net_native_System_Net_Sockets_NativeSocket::recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SystemNetEndPoint,
Library_sys_net_native_System_Net_Sockets_NativeSocket::getpeername___STATIC__VOID__OBJECT__BYREF_SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::getsockname___STATIC__VOID__OBJECT__BYREF_SZARRAY_U1,
Library_sys_net_native_System_Net_Sockets_NativeSocket::getsockopt___STATIC__VOID__OBJECT__I4__I4__SZARRAY_U1,
Expand Down Expand Up @@ -228,14 +235,15 @@ static const CLR_RT_MethodHandler method_lookup[] =
NULL,
NULL,
NULL,
NULL,
Library_sys_net_native_System_Security_Cryptography_X509Certificates_X509Certificate::ParseCertificate___STATIC__VOID__SZARRAY_U1__STRING__BYREF_STRING__BYREF_STRING__BYREF_mscorlibSystemDateTime__BYREF_mscorlibSystemDateTime,
NULL,
};

const CLR_RT_NativeAssemblyData g_CLR_AssemblyNative_System_Net =
{
"System.Net",
0x808BAB84,
"System.Net",
0xB541AF57,
method_lookup,
{ 1, 0, 7, 0 }
{ 1, 1, 0, 0 }
};
31 changes: 18 additions & 13 deletions src/DeviceInterfaces/System.Net/sys_net_native.h
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,9 @@ struct Library_sys_net_native_System_Net_IPAddress
static const int FIELD_STATIC__Any = 2;
static const int FIELD_STATIC__Loopback = 3;

static const int FIELD__m_Address = 1;
static const int FIELD___address = 1;
static const int FIELD___family = 2;
static const int FIELD___numbers = 3;


//--//
Expand All @@ -67,8 +69,8 @@ struct Library_sys_net_native_System_Net_IPAddress

struct Library_sys_net_native_System_Net_IPEndPoint
{
static const int FIELD__m_Address = 1;
static const int FIELD__m_Port = 2;
static const int FIELD___address = 1;
static const int FIELD___port = 2;


//--//
Expand Down Expand Up @@ -179,6 +181,7 @@ struct Library_sys_net_native_System_Net_Security_SslStream
struct Library_sys_net_native_System_Net_SocketAddress
{
static const int FIELD__m_Buffer = 1;
static const int FIELD___address = 2;


//--//
Expand All @@ -188,17 +191,17 @@ struct Library_sys_net_native_System_Net_SocketAddress
struct Library_sys_net_native_System_Net_Sockets_NativeSocket
{
NANOCLR_NATIVE_DECLARE(socket___STATIC__I4__I4__I4__I4);
NANOCLR_NATIVE_DECLARE(bind___STATIC__VOID__OBJECT__SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(connect___STATIC__VOID__OBJECT__SZARRAY_U1__BOOLEAN);
NANOCLR_NATIVE_DECLARE(bind___STATIC__VOID__OBJECT__SystemNetEndPoint);
NANOCLR_NATIVE_DECLARE(connect___STATIC__VOID__OBJECT__SystemNetEndPoint__BOOLEAN);
NANOCLR_NATIVE_DECLARE(send___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4);
NANOCLR_NATIVE_DECLARE(recv___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4);
NANOCLR_NATIVE_DECLARE(close___STATIC__I4__OBJECT);
NANOCLR_NATIVE_DECLARE(listen___STATIC__VOID__OBJECT__I4);
NANOCLR_NATIVE_DECLARE(accept___STATIC__I4__OBJECT);
NANOCLR_NATIVE_DECLARE(getaddrinfo___STATIC__VOID__STRING__BYREF_STRING__BYREF_SZARRAY_SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(shutdown___STATIC__VOID__OBJECT__I4__BYREF_I4);
NANOCLR_NATIVE_DECLARE(sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SystemNetEndPoint);
NANOCLR_NATIVE_DECLARE(recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SystemNetEndPoint);
NANOCLR_NATIVE_DECLARE(getpeername___STATIC__VOID__OBJECT__BYREF_SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(getsockname___STATIC__VOID__OBJECT__BYREF_SZARRAY_U1);
NANOCLR_NATIVE_DECLARE(getsockopt___STATIC__VOID__OBJECT__I4__I4__SZARRAY_U1);
Expand All @@ -207,15 +210,15 @@ struct Library_sys_net_native_System_Net_Sockets_NativeSocket
NANOCLR_NATIVE_DECLARE(ioctl___STATIC__VOID__OBJECT__U4__BYREF_U4);

//--//
static HRESULT MarshalSockAddress( struct SOCK_sockaddr* addrDst, CLR_UINT32& addrLenDst, const CLR_RT_HeapBlock& blkSrc );
static HRESULT MarshalSockAddress( struct SOCK_sockaddr* addrDst, CLR_UINT32& addrLenDst, const CLR_RT_HeapBlock& blkEndPointAddress );
static HRESULT MarshalSockAddress( CLR_RT_HeapBlock& blkDst, const struct SOCK_sockaddr* addrSrc, CLR_UINT32 addrLenSrc );
static HRESULT SendRecvHelper( CLR_RT_StackFrame& stack, bool fSend, bool fAddress );
static HRESULT SockOptHelper( CLR_RT_StackFrame& stack, bool fGet );
static HRESULT SockNameHelper( CLR_RT_StackFrame& stack, bool fPeer );
static HRESULT BindConnectHelper( CLR_RT_StackFrame& stack, bool fBind );
static HRESULT ThrowOnError( CLR_RT_StackFrame& stack, CLR_INT32 err );
static void ThrowError( CLR_RT_StackFrame& stack, CLR_INT32 errorCode );

static CLR_INT32 Helper__SelectSocket( CLR_INT32 socket, CLR_INT32 mode );

/* WARNING!!!
Expand All @@ -232,10 +235,12 @@ struct Library_sys_net_native_System_Net_Sockets_Socket
static const int FIELD__m_Handle = 1;
static const int FIELD__m_fBlocking = 2;
static const int FIELD__m_localEndPoint = 3;
static const int FIELD___remoteEndPoint = 4;
static const int FIELD__m_recvTimeout = 5;
static const int FIELD__m_sendTimeout = 6;
static const int FIELD___socketType = 7;
static const int FIELD__m_recvTimeout = 4;
static const int FIELD__m_sendTimeout = 5;
static const int FIELD___socketType = 6;
static const int FIELD___nonBlockingConnectInProgress = 7;
static const int FIELD___nonBlockingConnectRightEndPoint = 8;
static const int FIELD___rightEndPoint = 9;


//--//
Expand Down
121 changes: 80 additions & 41 deletions src/DeviceInterfaces/System.Net/sys_net_native_System_Net_Sockets_NativeSocket.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,6 @@

#include "sys_net_native.h"

// FIXME - Check if required, for now just ignore
#define SwapEndianIfBEc16(x) (x)

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::socket___STATIC__I4__I4__I4__I4( CLR_RT_StackFrame& stack )
{
NANOCLR_HEADER();
Expand All @@ -29,17 +26,18 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::socket___STATIC_
NANOCLR_NOCLEANUP();
}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::bind___STATIC__VOID__OBJECT__SZARRAY_U1( CLR_RT_StackFrame& stack )
HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::bind___STATIC__VOID__OBJECT__SystemNetEndPoint( CLR_RT_StackFrame& stack )
{
NANOCLR_HEADER();
return BindConnectHelper( stack, true );
NANOCLR_NOCLEANUP_NOLABEL();
}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::connect___STATIC__VOID__OBJECT__SZARRAY_U1__BOOLEAN( CLR_RT_StackFrame& stack )
HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::connect___STATIC__VOID__OBJECT__SystemNetEndPoint__BOOLEAN( CLR_RT_StackFrame& stack )
{
NANOCLR_HEADER();
return BindConnectHelper( stack, false );

NANOCLR_NOCLEANUP_NOLABEL();
}

Expand Down Expand Up @@ -290,13 +288,13 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::shutdown___STATI
NANOCLR_NOCLEANUP();
}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SZARRAY_U1( CLR_RT_StackFrame& stack )
HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::sendto___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__SystemNetEndPoint( CLR_RT_StackFrame& stack )
{
NATIVE_PROFILE_CLR_NETWORK();
return SendRecvHelper( stack, true, true );
}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SZARRAY_U1( CLR_RT_StackFrame& stack )
HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::recvfrom___STATIC__I4__OBJECT__SZARRAY_U1__I4__I4__I4__I4__BYREF_SystemNetEndPoint( CLR_RT_StackFrame& stack )
{
NATIVE_PROFILE_CLR_NETWORK();
return SendRecvHelper( stack, false, true );
Expand Down Expand Up @@ -335,7 +333,6 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::poll___STATIC__B
CLR_INT32 handle;
CLR_INT32 mode = stack.Arg1().NumericByRef().s4;
CLR_INT32 timeout_us = stack.Arg2().NumericByRef().s4;
// uint64_t ct = 0;
CLR_RT_HeapBlock hbTimeout;

CLR_INT32 res = 0;
Expand Down Expand Up @@ -420,6 +417,7 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::BindConnectHelpe
NANOCLR_HEADER();

CLR_RT_HeapBlock* socket = stack.Arg0().Dereference();

CLR_INT32 handle;
SOCK_sockaddr addr;
CLR_UINT32 addrLen = sizeof(addr);
Expand Down Expand Up @@ -492,7 +490,6 @@ CLR_INT32 Library_sys_net_native_System_Net_Sockets_NativeSocket::Helper__Select
exceptfds = &fdsExcept;
}


timeval.tv_sec = 0;
timeval.tv_usec = 0;

Expand All @@ -509,65 +506,109 @@ CLR_INT32 Library_sys_net_native_System_Net_Sockets_NativeSocket::Helper__Select
}

return res;

}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::MarshalSockAddress( CLR_RT_HeapBlock& blkDst, const struct SOCK_sockaddr* addrSrc, CLR_UINT32 addrLenSrc )
{
NATIVE_PROFILE_CLR_NETWORK();

NANOCLR_HEADER();

CLR_RT_HeapBlock_Array* arr = NULL;
(void)addrLenSrc;

CLR_RT_HeapBlock blkArr; blkArr.SetObjectReference( NULL );
CLR_RT_ProtectFromGC gc( blkArr );
SOCK_sockaddr_in* dst;
SOCK_sockaddr_in* src = (SOCK_sockaddr_in*)addrSrc;

NANOCLR_CHECK_HRESULT(CLR_RT_HeapBlock_Array::CreateInstance( blkArr, addrLenSrc, g_CLR_RT_WellKnownTypes.m_UInt8 ));

arr = blkArr.DereferenceArray();

_ASSERTE(arr);
CLR_RT_TypeDef_Index ipAddressTypeDef;
CLR_RT_TypeDef_Index ipEndPointTypeDef;
CLR_RT_HeapBlock* ipAddressHbObj;
CLR_RT_HeapBlock* ipEndPointHbObj;

CLR_RT_HeapBlock ipAddress; ipAddress.SetObjectReference( NULL );
CLR_RT_ProtectFromGC gc1( ipAddress );

CLR_RT_HeapBlock ipEndPoint; ipEndPoint.SetObjectReference( NULL );
CLR_RT_ProtectFromGC gc2( ipEndPoint );

// find <IPAddress> type definition, don't bother checking the result as it exists for sure
g_CLR_RT_TypeSystem.FindTypeDef( "IPAddress", "System.Net", ipAddressTypeDef );

// create an instance of <IPAddress>
NANOCLR_CHECK_HRESULT(g_CLR_RT_ExecutionEngine.NewObjectFromIndex(ipAddress, ipAddressTypeDef));

dst = (SOCK_sockaddr_in*)arr->GetFirstElement();
// find <IPEndPoint> type definition, don't bother checking the result as it exists for sure
g_CLR_RT_TypeSystem.FindTypeDef( "IPEndPoint", "System.Net", ipEndPointTypeDef );

dst->sin_family = SwapEndianIfBEc16(src->sin_family);
dst->sin_port = src->sin_port;
dst->sin_addr.S_un.S_addr = src->sin_addr.S_un.S_addr;
// create an instance of <IPEndPoint>
NANOCLR_CHECK_HRESULT(g_CLR_RT_ExecutionEngine.NewObjectFromIndex(ipEndPoint, ipEndPointTypeDef));

memcpy(dst->sin_zero, src->sin_zero, sizeof(dst->sin_zero));
// dereference the objects in order to reach their fields
ipAddressHbObj = ipAddress.Dereference();
ipEndPointHbObj = ipEndPoint.Dereference();

_ASSERTE(blkDst.DataType() == DATATYPE_BYREF || blkDst.DataType() == DATATYPE_ARRAY_BYREF);
{
// get a reference to the managed fields and set them

// IPAddress _address field
// CLR_INT64 fields need to be accessed by pointer
CLR_RT_HeapBlock& addressFieldRef = ipAddressHbObj[ Library_sys_net_native_System_Net_IPAddress::FIELD___address ];
CLR_INT64* pRes = (CLR_INT64*)&addressFieldRef.NumericByRef().s8;
*pRes = src->sin_addr.S_un.S_addr;

// IPAddress _family field
ipAddressHbObj[ Library_sys_net_native_System_Net_IPAddress::FIELD___family ].NumericByRef().s4 = src->sin_family;

// IPEndPoint _port field
// take care of endianess swapping
ipEndPointHbObj[ Library_sys_net_native_System_Net_IPEndPoint::FIELD___port ].NumericByRef().s4 = SOCK_ntohs(src->sin_port);

// set IPEndPoint address with IPAddress heap block object
ipEndPointHbObj[ Library_sys_net_native_System_Net_IPEndPoint::FIELD___address ].SetObjectReference( ipAddressHbObj );
}

NANOCLR_CHECK_HRESULT(blkArr.StoreToReference( blkDst, 0 ));
_ASSERTE(blkDst.DataType() == DATATYPE_BYREF);

// store the new IPEndPoint object to reference
NANOCLR_CHECK_HRESULT(ipEndPoint.StoreToReference( blkDst, 0 ));

NANOCLR_NOCLEANUP();
}

HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::MarshalSockAddress( struct SOCK_sockaddr* addrDst, CLR_UINT32& addrLen, const CLR_RT_HeapBlock& blkSockAddress )
HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::MarshalSockAddress( struct SOCK_sockaddr* addrDst, CLR_UINT32& addrLenDst, const CLR_RT_HeapBlock& blkEndPointAddress )
{
NATIVE_PROFILE_CLR_NETWORK();
NANOCLR_HEADER();

CLR_RT_HeapBlock_Array* ptrSockAddress;
SOCK_sockaddr_in* dst = (SOCK_sockaddr_in*)addrDst;
SOCK_sockaddr_in* src;

ptrSockAddress = blkSockAddress.DereferenceArray();
FAULT_ON_NULL(ptrSockAddress);
CLR_RT_HeapBlock* endPointAddress;
CLR_RT_HeapBlock* remoteEndPointAddress;
int64_t address;
int32_t port;

endPointAddress = blkEndPointAddress.Dereference();
FAULT_ON_NULL(endPointAddress);

// get a pointer to the managed field object instance for m_Address
remoteEndPointAddress = endPointAddress[ Library_sys_net_native_System_Net_IPEndPoint::FIELD___address ].Dereference();
FAULT_ON_NULL(remoteEndPointAddress);

if(ptrSockAddress->m_numOfElements > addrLen) NANOCLR_SET_AND_LEAVE(CLR_E_INVALID_PARAMETER);
// get value of m_Address field (type long)
address = (CLR_INT64)remoteEndPointAddress[ Library_sys_net_native_System_Net_IPAddress::FIELD___address ].NumericByRef().s8;

src = (SOCK_sockaddr_in*)ptrSockAddress->GetFirstElement();
// get value of m_Port field (type int)
port = endPointAddress[ Library_sys_net_native_System_Net_IPEndPoint::FIELD___port ].NumericByRef().s4;

dst->sin_family = SwapEndianIfBEc16(src->sin_family);
dst->sin_port = src->sin_port;
dst->sin_addr.S_un.S_addr = src->sin_addr.S_un.S_addr; //already in network byte order
// clear struct
memset(dst, 0, sizeof(SOCK_sockaddr));

memcpy(dst->sin_zero, src->sin_zero, sizeof(dst->sin_zero));
dst->sin_family = SOCK_AF_INET;
// need to convert port number to network order
dst->sin_port = SOCK_htons(port);

addrLen = ptrSockAddress->m_numOfElements;
//address already in network byte order
memcpy((int8_t*)&dst->sin_addr.S_un.S_addr, (int8_t*)&address, sizeof(address));

addrLenDst = sizeof(address);

NANOCLR_NOCLEANUP();
}
Expand All @@ -583,7 +624,6 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::SendRecvHelper(
CLR_UINT32 offset = stack.Arg2().NumericByRef().u4;
CLR_UINT32 count = stack.Arg3().NumericByRef().u4;
CLR_INT32 flags = stack.Arg4().NumericByRef().s4;
// CLR_INT32 timeout_ms = stack.Arg5().NumericByRef().s4;
CLR_RT_HeapBlock hbTimeout;

CLR_INT64* timeout;
Expand Down Expand Up @@ -807,7 +847,6 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::SockNameHelper(
NANOCLR_NOCLEANUP();
}


void Library_sys_net_native_System_Net_Sockets_NativeSocket::ThrowError( CLR_RT_StackFrame& stack, CLR_INT32 errorCode )
{
NATIVE_PROFILE_CLR_NETWORK();
Expand All @@ -834,4 +873,4 @@ HRESULT Library_sys_net_native_System_Net_Sockets_NativeSocket::ThrowOnError( CL
}

NANOCLR_NOCLEANUP();
}
}
7 changes: 1 addition & 6 deletions src/PAL/Include/nanoPAL_Sockets.h
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Original file line number Diff line number Diff line change
Expand Up @@ -433,15 +433,10 @@ enum UpdateOperation

//--//

#if defined(NETMF_TARGET_LITTLE_ENDIAN)
#define SOCK_htons(x) ( (((x) & 0x000000FFUL) << 8) | (((x) & 0x0000FF00UL) >> 8) )
#define SOCK_htonl(x) ( (((x) & 0x000000FFUL) << 24) | (((x) & 0x0000FF00UL) << 8) | (((x) & 0x00FF0000UL) >> 8) | (((x) & 0xFF000000UL) >> 24) )
#define SOCK_ntohs(x) SOCK_htons(x)
#else
#define SOCK_htons(x) ( x )
#define SOCK_htonl(x) ( x )
#define SOCK_ntohs(x) ((UINT16)(x))
#endif
#define SOCK_ntohl(x) ( (((x) & 0x000000FFUL) << 24) | (((x) & 0x0000FF00UL) << 8) | (((x) & 0x00FF0000UL) >> 8) | (((x) & 0xFF000000UL) >> 24) )

#define SOCK_FD_ZERO(x) memset(x, 0, sizeof(*x))
__inline bool SOCK_FD_ISSET(int y, SOCK_fd_set* x)
Expand Down