ObjFW  Diff

/*
 * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *

	if (fcntl(_socket, F_SETFL, flags) == -1)
		@throw [OFSetOptionFailedException exceptionWithObject: self
								 errNo: errno];

	_canBlock = canBlock;
#elif defined(OF_WINDOWS)
	u_long v = canBlock;
	u_long v = !canBlock;

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: OFSocketErrNo()];

	_canBlock = canBlock;

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	sender->length = (socklen_t)sizeof(sender->sockaddr);

#ifndef OF_WINDOWS
	if ((ret = recvfrom(_socket, buffer, length, 0,
	    &sender->sockaddr.sockaddr, &sender->length)) < 0)
	    (struct sockaddr *)&sender->sockaddr, &sender->length)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];
#else
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = recvfrom(_socket, buffer, (int)length, 0,
	    &sender->sockaddr.sockaddr, &sender->length)) < 0)
	    (struct sockaddr *)&sender->sockaddr, &sender->length)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];
#endif

	switch (sender->sockaddr.sockaddr.sa_family) {
	switch (((struct sockaddr *)&sender->sockaddr)->sa_family) {
	case AF_INET:
		sender->family = OFSocketAddressFamilyIPv4;
		break;
#ifdef OF_HAVE_IPV6
	case AF_INET6:
		sender->family = OFSocketAddressFamilyIPv6;
		break;
#endif
#ifdef OF_HAVE_UNIX_SOCKETS
	case AF_UNIX:
		sender->family = OFSocketAddressFamilyUNIX;
		break;
#endif
#ifdef OF_HAVE_IPX
	case AF_IPX:
		sender->family = OFSocketAddressFamilyIPX;
		break;
#endif
	default:

#ifndef OF_WINDOWS
	ssize_t bytesWritten;

	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if ((bytesWritten = sendto(_socket, (void *)buffer, length, 0,
	    (struct sockaddr *)&receiver->sockaddr.sockaddr,
	    (struct sockaddr *)&receiver->sockaddr, receiver->length)) < 0)
	    receiver->length)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: OFSocketErrNo()];
#else
	int bytesWritten;

	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if ((bytesWritten = sendto(_socket, buffer, (int)length, 0,
	    &receiver->sockaddr.sockaddr, receiver->length)) < 0)
	    (struct sockaddr *)&receiver->sockaddr, receiver->length)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: OFSocketErrNo()];
#endif