ObjFW  Diff

#ifndef NSPROTO_SPX
# define NSPROTO_SPX 0
#endif

#define SPX_PACKET_TYPE 5

@interface OFSPXSocket ()
- (int)of_createSocketForAddress: (const of_socket_address_t *)address
			   errNo: (int *)errNo;
- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo;
- (void)of_closeSocket;
@end

OF_DIRECT_MEMBERS
@interface OFSPXSocketAsyncConnectDelegate: OFObject <OFRunLoopConnectDelegate>
{

#endif

	[super dealloc];
}

- (void)startWithRunLoopMode: (OFRunLoopMode)runLoopMode
{
	of_socket_address_t address =
	    of_socket_address_ipx(_node, _network, _port);
	id exception = nil;
	int errNo;

	if (![_socket of_createSocketForAddress: &address errNo: &errNo]) {
		exception = [self of_connectionFailedExceptionForErrNo: errNo];
		goto inform_delegate;
	}

							errNo: errNo];
}
@end

@implementation OFSPXSocket
@dynamic delegate;

- (int)of_createSocketForAddress: (const of_socket_address_t *)address
			   errNo: (int *)errNo
{
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != INVALID_SOCKET)

	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	return true;
}

- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo
{
	if (_socket == INVALID_SOCKET)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (connect(_socket, &address->sockaddr.sockaddr,
	    address->length) != 0) {

	_socket = INVALID_SOCKET;
}

- (void)connectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
	      network: (uint32_t)network
		 port: (uint16_t)port
{
	of_socket_address_t address =
	    of_socket_address_ipx(node, network, port);
	int errNo;

	if (![self of_createSocketForAddress: &address errNo: &errNo])
		@throw [OFConnectionFailedException
		    exceptionWithNode: node
			      network: network
				 port: port

		     block: block
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}
#endif

- (of_socket_address_t)bindToPort: (uint16_t)port
{
	const unsigned char zeroNode[IPX_NODE_LEN] = { 0 };
	of_socket_address_t address;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	address = of_socket_address_ipx(zeroNode, 0, port);

	if ((_socket = socket(address.sockaddr.sockaddr.sa_family,
	    SOCK_SEQPACKET | SOCK_CLOEXEC, NSPROTO_SPX)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithPort: port
			   packetType: SPX_PACKET_TYPE
			       socket: self

		@throw [OFBindFailedException exceptionWithPort: port
						     packetType: SPX_PACKET_TYPE
							 socket: self
							  errNo: errNo];
	}

	memset(&address, 0, sizeof(address));
	address.family = OF_SOCKET_ADDRESS_FAMILY_IPX;
	address.length = (socklen_t)sizeof(address.sockaddr);

	if (of_getsockname(_socket, &address.sockaddr.sockaddr,
	    &address.length) != 0) {
		int errNo = of_socket_errno();

		closesocket(_socket);