ObjFW  Check-in [ccc6a77c55]

			[Whether we have netinet/in.h])
	])
	AC_CHECK_HEADER(netinet/tcp.h, [
		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
			[Whether we have netinet/tcp.h])
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])
	AC_CHECK_HEADER(sys/un.h, [
		AC_DEFINE(OF_HAVE_SYS_UN_H, 1, [Whether we have sys/un.h])
	])
	AC_CHECK_HEADER(netipx/ipx.h, [
		AC_DEFINE(OF_HAVE_NETIPX_IPX_H, 1,
			[Whether we have netipx/ipx.h])
	])
	AC_CHECK_HEADER(sys/un.h, [
		AC_DEFINE(OF_HAVE_SYS_UN_H, 1, [Whether we have sys/un.h])
	])

	AC_CHECK_MEMBER([struct sockaddr_in6.sin6_addr], [
		AC_EGREP_CPP(egrep_cpp_yes, [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

		#   include <winsock2.h>
		#  endif
		# endif
		# include <windows.h>
		# include <ws2tcpip.h>
		#endif
	])

	AC_CHECK_HEADERS(afunix.h, [
		AC_DEFINE(OF_HAVE_AFUNIX_H, 1, [Whether we have afunix.h])
	], [], [
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
	])
	AC_CHECK_MEMBER(struct sockaddr_un.sun_path, [
		AC_DEFINE(OF_HAVE_UNIX_SOCKETS, 1,
			[Whether we have UNIX sockets])
		AC_SUBST(USE_SRCS_UNIX_SOCKETS, '${SRCS_UNIX_SOCKETS}')
	], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef OF_HAVE_SYS_UN_H
		# include <sys/un.h>
		#endif
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
		#ifdef HAVE_AFUNIX_H
		# include <afunix.h>
		#endif

		#ifdef __morphos__
		# error MorphOS has the struct but does not support it
		#endif

		#ifdef __MINT__
		# error Gives invalid argument at runtime
		#endif
	])

	AC_CHECK_MEMBER(struct sockaddr_ipx.sipx_network, [], [
		AC_CHECK_MEMBER(struct sockaddr_ipx.sa_netnum, [], [], [
			#ifdef _WIN32
			typedef int BOOL;
			#endif

			#endif
		], [
			AC_DEFINE(OF_HAVE_IPX, 1, [Whether we have IPX/SPX])
			AC_SUBST(USE_SRCS_IPX, '${SRCS_IPX}')
		])
	])

	AC_CHECK_HEADERS(afunix.h, [
		AC_DEFINE(OF_HAVE_AFUNIX_H, 1, [Whether we have afunix.h])
	], [], [
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
	])
	AC_CHECK_MEMBER(struct sockaddr_un.sun_path, [
		AC_DEFINE(OF_HAVE_UNIX_SOCKETS, 1,
			[Whether we have UNIX sockets])
		AC_SUBST(USE_SRCS_UNIX_SOCKETS, '${SRCS_UNIX_SOCKETS}')
	], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef OF_HAVE_SYS_UN_H
		# include <sys/un.h>
		#endif
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
		#ifdef HAVE_AFUNIX_H
		# include <afunix.h>
		#endif

		#ifdef __morphos__
		# error MorphOS has the struct but does not support it
		#endif

		#ifdef __MINT__
		# error Gives invalid argument at runtime
		#endif
	])

	AC_CHECK_FUNCS(paccept accept4, break)

	AC_CHECK_FUNCS(kqueue1 kqueue, [
		AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue])
		AC_SUBST(OF_KQUEUE_KERNEL_EVENT_OBSERVER_M,
			"OFKqueueKernelEventObserver.m")
		break

		sender->family = OFSocketAddressFamilyIPv4;
		break;
#ifdef OF_HAVE_IPV6
	case AF_INET6:
		sender->family = OFSocketAddressFamilyIPv6;
		break;
#endif
#ifdef OF_HAVE_IPX
	case AF_IPX:
		sender->family = OFSocketAddressFamilyIPX;
		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:
		sender->family = OFSocketAddressFamilyUnknown;
		break;
	}

	return ret;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	int flags;
#endif

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

	address = OFSocketAddressMakeIPX(zeroNode, 0, port);
	address = OFSocketAddressMakeIPX(0, zeroNode, port);

#ifdef OF_WINDOWS
	protocol = NSPROTO_IPX + packetType;
#else
	_packetType = address.sockaddr.ipx.sipx_type = packetType;
#endif

 */
@protocol OFSPXSocketDelegate <OFSequencedPacketSocketDelegate>
@optional
/**
 * @brief A method which is called when a socket connected.
 *
 * @param socket The socket which connected
 * @param node The node the socket connected to
 * @param network The network of the node the socket connected to
 * @param node The node the socket connected to
 * @param port The port of the node to which the socket connected
 * @param exception An exception that occurred while connecting, or nil on
 *		    success
 */
-     (void)socket: (OFSPXSocket *)socket
  didConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
-	 (void)socket: (OFSPXSocket *)socket
  didConnectToNetwork: (uint32_t)network
		 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
	   network: (uint32_t)network
	      port: (uint16_t)port
	 exception: (nullable id)exception;
		 port: (uint16_t)port
	    exception: (nullable id)exception;
@end

/**
 * @class OFSPXSocket OFSPXSocket.h ObjFW/OFSPXSocket.h
 *
 * @brief A class which provides methods to create and use SPX sockets.
 *

 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    id <OFSPXSocketDelegate> delegate;

/**
 * @brief Connect the OFSPXSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 */
- (void)connectToNetwork: (uint32_t)network
- (void)connectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		    node: (unsigned char [_Nonnull IPX_NODE_LEN])node
	      network: (uint32_t)network
		 port: (uint16_t)port;
		    port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSPXSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port;
			 port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSPXSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode;
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously connect the OFSPXSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXSocketAsyncConnectBlock)block;
			 port: (uint16_t)port
			block: (OFSPXSocketAsyncConnectBlock)block;

/**
 * @brief Asynchronously connect the OFSPXSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
		     block: (OFSPXSocketAsyncConnectBlock)block;
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
			block: (OFSPXSocketAsyncConnectBlock)block;
#endif

/**
 * @brief Bind the socket to the specified network, node and port.
 *
 * @param port The port (sometimes called socket number) to bind to. 0 means to
 *	       pick one and return it.
 * @return The address on which this socket can be reached
 */
- (OFSocketAddress)bindToPort: (uint16_t)port;
@end

OF_ASSUME_NONNULL_END

- (void)of_closeSocket;
@end

OF_DIRECT_MEMBERS
@interface OFSPXSocketAsyncConnectDelegate: OFObject <OFRunLoopConnectDelegate>
{
	OFSPXSocket *_socket;
	unsigned char _node[IPX_NODE_LEN];
	uint32_t _network;
	unsigned char _node[IPX_NODE_LEN];
	uint16_t _port;
#ifdef OF_HAVE_BLOCKS
	OFSPXSocketAsyncConnectBlock _block;
#endif
}

- (instancetype)initWithSocket: (OFSPXSocket *)socket
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  node: (unsigned char [IPX_NODE_LEN])node
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXSocketAsyncConnectBlock)block
#endif
;
- (void)startWithRunLoopMode: (OFRunLoopMode)runLoopMode;
@end

@implementation OFSPXSocketAsyncConnectDelegate
- (instancetype)initWithSocket: (OFSPXSocket *)sock
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  node: (unsigned char [IPX_NODE_LEN])node
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXSocketAsyncConnectBlock)block
#endif
{
	self = [super init];

	@try {
		_socket = [sock retain];
		memcpy(_node, node, IPX_NODE_LEN);
		_network = network;
		memcpy(_node, node, IPX_NODE_LEN);
		_port = port;
#ifdef OF_HAVE_BLOCKS
		_block = [block copy];
#endif
	} @catch (id e) {
		[self release];
		@throw e;

	[super dealloc];
}

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

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

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(exception);
	else {
#endif
		if ([delegate respondsToSelector:
		    @selector(socket:didConnectToNode:network:port:exception:)])
			[delegate     socket: _socket
			    didConnectToNode: _node
				     network: _network
					port: _port
				   exception: exception];
		    @selector(socket:didConnectToNetwork:node:port:exception:)])
			[delegate	 socket: _socket
			    didConnectToNetwork: _network
					   node: _node
					   port: _port
				      exception: exception];
#ifdef OF_HAVE_BLOCKS
	}
#endif
}

- (id)of_connectionFailedExceptionForErrNo: (int)errNo
{
	return [OFConnectionFailedException exceptionWithNode: _node
						      network: _network
							 port: _port
						       socket: _socket
							errNo: errNo];
	return [OFConnectionFailedException exceptionWithNetwork: _network
							    node: _node
							    port: _port
							  socket: _socket
							   errNo: errNo];
}
@end

@implementation OFSPXSocket
@dynamic delegate;

- (int)of_createSocketForAddress: (const OFSocketAddress *)address

- (void)of_closeSocket
{
	closesocket(_socket);
	_socket = OFInvalidSocketHandle;
}

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

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

	if (![self of_connectSocketToAddress: &address errNo: &errNo]) {
		[self of_closeSocket];

		@throw [OFConnectionFailedException
		    exceptionWithNode: node
			      network: network
				 port: port
			       socket: self
				errNo: errNo];
		    exceptionWithNetwork: network
				    node: node
				    port: port
				  socket: self
				   errNo: errNo];
	}
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
			 port: (uint16_t)port
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: OFDefaultRunLoopMode];
	[self asyncConnectToNetwork: network
			       node: node
			       port: port
			runLoopMode: OFDefaultRunLoopMode];
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();

	[[[[OFSPXSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network
		      node: node
		      port: port
#ifdef OF_HAVE_BLOCKS
		     block: NULL
#endif
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXSocketAsyncConnectBlock)block
			 port: (uint16_t)port
			block: (OFSPXSocketAsyncConnectBlock)block
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: OFDefaultRunLoopMode
			   block: block];
	[self asyncConnectToNetwork: network
			       node: node
			       port: port
			runLoopMode: OFDefaultRunLoopMode
			      block: block];
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
		     block: (OFSPXSocketAsyncConnectBlock)block
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
			block: (OFSPXSocketAsyncConnectBlock)block
{
	void *pool = objc_autoreleasePoolPush();

	[[[[OFSPXSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network
		      node: node
		      port: port
		     block: block
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}
#endif

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

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

	address = OFSocketAddressMakeIPX(zeroNode, 0, port);
	address = OFSocketAddressMakeIPX(0, zeroNode, port);

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

 */
@protocol OFSPXStreamSocketDelegate <OFStreamSocketDelegate>
@optional
/**
 * @brief A method which is called when a socket connected.
 *
 * @param socket The socket which connected
 * @param node The node the socket connected to
 * @param network The network of the node the socket connected to
 * @param node The node the socket connected to
 * @param port The port of the node to which the socket connected
 * @param exception An exception that occurred while connecting, or nil on
 *		    success
 */
-     (void)socket: (OFSPXStreamSocket *)socket
  didConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
-	 (void)socket: (OFSPXStreamSocket *)socket
  didConnectToNetwork: (uint32_t)network
		 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
	   network: (uint32_t)network
	      port: (uint16_t)port
	 exception: (nullable id)exception;
		 port: (uint16_t)port
	    exception: (nullable id)exception;
@end

/**
 * @class OFSPXStreamSocket OFSPXStreamSocket.h ObjFW/OFSPXStreamSocket.h
 *
 * @brief A class which provides methods to create and use SPX stream sockets.
 *

 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    id <OFSPXStreamSocketDelegate> delegate;

/**
 * @brief Connect the OFSPXStreamSocket to the specified destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 */
- (void)connectToNetwork: (uint32_t)network
- (void)connectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		    node: (unsigned char [_Nonnull IPX_NODE_LEN])node
	      network: (uint32_t)network
		 port: (uint16_t)port;
		    port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSPXStreamSocket to the specified
 *	  destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port;
			 port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSPXStreamSocket to the specified
 *	  destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode;
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously connect the OFSPXStreamSocket to the specified
 *	  destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXStreamSocketAsyncConnectBlock)block;
			 port: (uint16_t)port
			block: (OFSPXStreamSocketAsyncConnectBlock)block;

/**
 * @brief Asynchronously connect the OFSPXStreamSocket to the specified
 *	  destination.
 *
 * @param node The node to connect to
 * @param network The network on which the node to connect to is
 * @param node The node to connect to
 * @param port The port (sometimes also called socket number) on the node to
 *	       connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
		     block: (OFSPXStreamSocketAsyncConnectBlock)block;
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
			block: (OFSPXStreamSocketAsyncConnectBlock)block;
#endif

/**
 * @brief Bind the socket to the specified network, node and port.
 *
 * @param port The port (sometimes called socket number) to bind to. 0 means to
 *	       pick one and return it.
 * @return The address on which this socket can be reached
 */
- (OFSocketAddress)bindToPort: (uint16_t)port;
@end

OF_ASSUME_NONNULL_END

@end

OF_DIRECT_MEMBERS
@interface OFSPXStreamSocketAsyncConnectDelegate: OFObject
    <OFRunLoopConnectDelegate>
{
	OFSPXStreamSocket *_socket;
	unsigned char _node[IPX_NODE_LEN];
	uint32_t _network;
	unsigned char _node[IPX_NODE_LEN];
	uint16_t _port;
#ifdef OF_HAVE_BLOCKS
	OFSPXStreamSocketAsyncConnectBlock _block;
#endif
}

- (instancetype)initWithSocket: (OFSPXStreamSocket *)socket
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  node: (unsigned char [IPX_NODE_LEN])node
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXStreamSocketAsyncConnectBlock)block
#endif
;
- (void)startWithRunLoopMode: (OFRunLoopMode)runLoopMode;
@end

@implementation OFSPXStreamSocketAsyncConnectDelegate
- (instancetype)initWithSocket: (OFSPXStreamSocket *)sock
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  node: (unsigned char [IPX_NODE_LEN])node
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXStreamSocketAsyncConnectBlock)block
#endif
{
	self = [super init];

	@try {
		_socket = [sock retain];
		memcpy(_node, node, IPX_NODE_LEN);
		_network = network;
		memcpy(_node, node, IPX_NODE_LEN);
		_port = port;
#ifdef OF_HAVE_BLOCKS
		_block = [block copy];
#endif
	} @catch (id e) {
		[self release];
		@throw e;

	[super dealloc];
}

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

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

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(exception);
	else {
#endif
		if ([delegate respondsToSelector:
		    @selector(socket:didConnectToNode:network:port:exception:)])
			[delegate     socket: _socket
			    didConnectToNode: _node
				     network: _network
					port: _port
				   exception: exception];
		    @selector(socket:didConnectToNetwork:node:port:exception:)])
			[delegate	 socket: _socket
			    didConnectToNetwork: _network
					   node: _node
					   port: _port
				      exception: exception];
#ifdef OF_HAVE_BLOCKS
	}
#endif
}

- (id)of_connectionFailedExceptionForErrNo: (int)errNo
{
	return [OFConnectionFailedException exceptionWithNode: _node
						      network: _network
							 port: _port
						       socket: _socket
							errNo: errNo];
	return [OFConnectionFailedException exceptionWithNetwork: _network
							    node: _node
							    port: _port
							  socket: _socket
							   errNo: errNo];
}
@end

@implementation OFSPXStreamSocket
@dynamic delegate;

- (int)of_createSocketForAddress: (const OFSocketAddress *)address

- (void)of_closeSocket
{
	closesocket(_socket);
	_socket = OFInvalidSocketHandle;
}

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

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

	if (![self of_connectSocketToAddress: &address errNo: &errNo]) {
		[self of_closeSocket];

		@throw [OFConnectionFailedException
		    exceptionWithNode: node
			      network: network
				 port: port
			       socket: self
				errNo: errNo];
		    exceptionWithNetwork: network
				    node: node
				    port: port
				  socket: self
				   errNo: errNo];
	}
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
			 port: (uint16_t)port
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: OFDefaultRunLoopMode];
	[self asyncConnectToNetwork: network
			       node: node
			       port: port
			runLoopMode: OFDefaultRunLoopMode];
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();

	[[[[OFSPXStreamSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network
		      node: node
		      port: port
#ifdef OF_HAVE_BLOCKS
		     block: NULL
#endif
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXStreamSocketAsyncConnectBlock)block
			 port: (uint16_t)port
			block: (OFSPXStreamSocketAsyncConnectBlock)block
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: OFDefaultRunLoopMode
			   block: block];
	[self asyncConnectToNetwork: network
			       node: node
			       port: port
			runLoopMode: OFDefaultRunLoopMode
			      block: block];
}

- (void)asyncConnectToNetwork: (uint32_t)network
- (void)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
			 node: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
		     block: (OFSPXStreamSocketAsyncConnectBlock)block
			 port: (uint16_t)port
		  runLoopMode: (OFRunLoopMode)runLoopMode
			block: (OFSPXStreamSocketAsyncConnectBlock)block
{
	void *pool = objc_autoreleasePoolPush();

	[[[[OFSPXStreamSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network
		      node: node
		      port: port
		     block: block
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}
#endif

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

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

	address = OFSocketAddressMakeIPX(zeroNode, 0, port);
	address = OFSocketAddressMakeIPX(0, zeroNode, port);

	if ((_socket = socket(address.sockaddr.sockaddr.sa_family,
	    SOCK_STREAM | SOCK_CLOEXEC, NSPROTO_SPX)) == OFInvalidSocketHandle)
		@throw [OFBindFailedException
		    exceptionWithPort: port
			   packetType: SPXPacketType
			       socket: self

typedef enum {
	/** An unknown address family. */
	OFSocketAddressFamilyUnknown,
	/** IPv4 */
	OFSocketAddressFamilyIPv4,
	/** IPv6 */
	OFSocketAddressFamilyIPv6,
	/** IPX */
	OFSocketAddressFamilyIPX,
	/** UNIX */
	OFSocketAddressFamilyUNIX,
	/** UNIX */
	OFSocketAddressFamilyUNIX,
	/** IPX */
	OFSocketAddressFamilyIPX,
	/** Any address family */
	OFSocketAddressFamilyAny = 255
} OFSocketAddressFamily;

#ifndef OF_HAVE_IPV6
struct sockaddr_in6 {
	sa_family_t sin6_family;
	in_port_t sin6_port;
	uint32_t sin6_flowinfo;
	struct in6_addr {
		uint8_t s6_addr[16];
	} sin6_addr;
	uint32_t sin6_scope_id;
};
#endif

#if !defined(OF_HAVE_UNIX_SOCKETS) && !defined(OF_MORPHOS) && !defined(OF_MINT)
struct sockaddr_un {
	sa_family_t sun_family;
	char sun_path[108];
};
#endif

#ifndef OF_HAVE_IPX
# define IPX_NODE_LEN 6
struct sockaddr_ipx {
	sa_family_t sipx_family;
	uint32_t sipx_network;
	unsigned char sipx_node[IPX_NODE_LEN];
	uint16_t sipx_port;
	uint8_t sipx_type;
};
#endif
#ifdef OF_WINDOWS
# define IPX_NODE_LEN 6
# define sipx_family sa_family
# define sipx_network sa_netnum
# define sipx_node sa_nodenum
# define sipx_port sa_socket
#endif

#if !defined(OF_HAVE_UNIX_SOCKETS) && !defined(OF_MORPHOS) && !defined(OF_MINT)
struct sockaddr_un {
	sa_family_t sun_family;
	char sun_path[108];
};
#endif

/**
 * @struct OFSocketAddress OFSocket.h ObjFW/OFSocket.h
 *
 * @brief A struct which represents a host / port pair for a socket.
 */
typedef struct OF_BOXABLE {
	/*
	 * Even though struct sockaddr contains the family, we need to use our
	 * own family, as we need to support storing an IPv6 address on systems
	 * that don't support IPv6. These may not have AF_INET6 defined and we
	 * can't just define it, as the value is system-dependent and might
	 * clash with an existing value.
	 */
	OFSocketAddressFamily family;
	union {
		struct sockaddr sockaddr;
		struct sockaddr_in in;
		struct sockaddr_in6 in6;
		struct sockaddr_ipx ipx;
		struct sockaddr_un un;
		struct sockaddr_un un;
		struct sockaddr_ipx ipx;
	} sockaddr;
	socklen_t length;
} OFSocketAddress;

#ifdef __cplusplus
extern "C" {
#endif

 *
 * @param IP The IPv6 to parse
 * @param port The port to use
 * @return The parsed IPv6 and port as an OFSocketAddress
 */
extern OFSocketAddress OFSocketAddressParseIPv6(OFString *IP, uint16_t port);

/**
 * @brief Creates an IPX address for the specified node, network and port.
 *
 * @param node The node in the IPX network
 * @param network The IPX network
 * @param port The IPX port (sometimes called socket number) on the node
 * @return An IPX socket address with the specified node, network and port.
 */
extern OFSocketAddress OFSocketAddressMakeIPX(
    const unsigned char node[_Nonnull IPX_NODE_LEN], uint32_t network,
    uint16_t port);

/**
 * @brief Creates a UNIX socket address from the specified path.
 *
 * @param path The path of the UNIX socket
 * @return A UNIX socket address with the specified path
 */
extern OFSocketAddress OFSocketAddressMakeUNIX(OFString *path);

/**
 * @brief Creates an IPX address for the specified node, network and port.
 *
 * @param network The IPX network
 * @param node The node in the IPX network
 * @param port The IPX port (sometimes called socket number) on the node
 * @return An IPX socket address with the specified node, network and port.
 */
extern OFSocketAddress OFSocketAddressMakeIPX(uint32_t network,
    const unsigned char node[_Nonnull IPX_NODE_LEN], uint16_t port);

/**
 * @brief Compares two OFSocketAddress for equality.
 *
 * @param address1 The address to compare with the second address
 * @param address2 The second address
 * @return Whether the two addresses are equal
 */

 *	  the address family used.
 *
 * @param address The address on which to get the port
 * @return The port of the address
 */
extern uint16_t OFSocketAddressPort(const OFSocketAddress *_Nonnull address);

/**
 * @brief Gets the UNIX socket path of the specified @ref OFSocketAddress.
 *
 * @param address The address on which to get the UNIX socket path
 * @return The UNIX socket path
 */
extern OFString *_Nullable OFSocketAddressUNIXPath(
    const OFSocketAddress *_Nonnull address);

/**
 * @brief Sets the IPX network of the specified @ref OFSocketAddress.
 *
 * @param address The address on which to set the IPX network
 * @param network The IPX network to set on the address
 */
extern void OFSocketAddressSetIPXNetwork(OFSocketAddress *_Nonnull address,

 *
 * @param address The address on which to get the IPX node
 * @param node A byte array to store the IPX node of the address
 */
extern void OFSocketAddressIPXNode(const OFSocketAddress *_Nonnull address,
    unsigned char node[_Nonnull IPX_NODE_LEN]);

/**
 * @brief Gets the UNIX socket path of the specified @ref OFSocketAddress.
 *
 * @param address The address on which to get the UNIX socket path
 * @return The UNIX socket path
 */
extern OFString *_Nullable OFSocketAddressUNIXPath(
    const OFSocketAddress *_Nonnull address);

extern bool OFSocketInit(void);
#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern void OFSocketDeinit(void);
#endif
extern int OFSocketErrNo(void);
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
extern int OFGetSockName(OFSocketHandle sock, struct sockaddr *restrict addr,

	} @catch (OFInvalidFormatException *e) {
		ret = OFSocketAddressParseIPv4(IP, port);
	}

	return ret;
}

OFSocketAddress
OFSocketAddressMakeIPX(const unsigned char node[IPX_NODE_LEN], uint32_t network,
    uint16_t port)
{
	OFSocketAddress ret;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OFSocketAddressFamilyIPX;
	ret.length = sizeof(ret.sockaddr.ipx);

#ifdef AF_IPX
	ret.sockaddr.ipx.sipx_family = AF_IPX;
#else
	ret.sockaddr.ipx.sipx_family = AF_UNSPEC;
#endif
	memcpy(ret.sockaddr.ipx.sipx_node, node, IPX_NODE_LEN);
	network = OFToBigEndian32(network);
	memcpy(&ret.sockaddr.ipx.sipx_network, &network,
	    sizeof(ret.sockaddr.ipx.sipx_network));
	ret.sockaddr.ipx.sipx_port = OFToBigEndian16(port);

	return ret;
}

OFSocketAddress
OFSocketAddressMakeUNIX(OFString *path)
{
	void *pool = objc_autoreleasePoolPush();
	OFStringEncoding encoding = [OFLocale encoding];
	size_t length = [path cStringLengthWithEncoding: encoding];
	OFSocketAddress ret;

	ret.sockaddr.un.sun_family = AF_UNSPEC;
#endif
	memcpy(ret.sockaddr.un.sun_path,
	    [path cStringWithEncoding: encoding], length);

	objc_autoreleasePoolPop(pool);

	return ret;
}

OFSocketAddress
OFSocketAddressMakeIPX(uint32_t network, const unsigned char node[IPX_NODE_LEN],
    uint16_t port)
{
	OFSocketAddress ret;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OFSocketAddressFamilyIPX;
	ret.length = sizeof(ret.sockaddr.ipx);

#ifdef AF_IPX
	ret.sockaddr.ipx.sipx_family = AF_IPX;
#else
	ret.sockaddr.ipx.sipx_family = AF_UNSPEC;
#endif
	network = OFToBigEndian32(network);
	memcpy(&ret.sockaddr.ipx.sipx_network, &network,
	    sizeof(ret.sockaddr.ipx.sipx_network));
	memcpy(ret.sockaddr.ipx.sipx_node, node, IPX_NODE_LEN);
	ret.sockaddr.ipx.sipx_port = OFToBigEndian16(port);

	return ret;
}

bool
OFSocketAddressEqual(const OFSocketAddress *address1,
    const OFSocketAddress *address2)
{

			return false;
		if (memcmp(addrIn6_1->sin6_addr.s6_addr,
		    addrIn6_2->sin6_addr.s6_addr,
		    sizeof(addrIn6_1->sin6_addr.s6_addr)) != 0)
			return false;

		return true;
	case OFSocketAddressFamilyUNIX:
		pool = objc_autoreleasePoolPush();

		path1 = OFSocketAddressUNIXPath(address1);
		path2 = OFSocketAddressUNIXPath(address2);

		if (path1 == nil || path2 == nil) {
			objc_autoreleasePoolPop(pool);

			return false;
		}

		ret = [path1 isEqual: path2];

		objc_autoreleasePoolPop(pool);

		return ret;
	case OFSocketAddressFamilyIPX:
		if (address1->length < (socklen_t)sizeof(struct sockaddr_ipx) ||
		    address2->length < (socklen_t)sizeof(struct sockaddr_ipx))
			@throw [OFInvalidArgumentException exception];

		addrIPX1 = &address1->sockaddr.ipx;
		addrIPX2 = &address2->sockaddr.ipx;

		if (addrIPX1->sipx_port != addrIPX2->sipx_port)
			return false;
		if (memcmp(&addrIPX1->sipx_network, &addrIPX2->sipx_network,
		    4) != 0)
			return false;
		if (memcmp(addrIPX1->sipx_node, addrIPX2->sipx_node,
		    IPX_NODE_LEN) != 0)
			return false;

		return true;
	case OFSocketAddressFamilyUNIX:
		pool = objc_autoreleasePoolPush();

		path1 = OFSocketAddressUNIXPath(address1);
		path2 = OFSocketAddressUNIXPath(address2);

		if (path1 == nil || path2 == nil) {
			objc_autoreleasePoolPop(pool);

			return false;
		}

		ret = [path1 isEqual: path2];

		objc_autoreleasePoolPop(pool);

		return ret;
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

unsigned long
OFSocketAddressHash(const OFSocketAddress *address)

		for (size_t i = 0;
		    i < sizeof(address->sockaddr.in6.sin6_addr.s6_addr); i++)
			OFHashAdd(&hash,
			    address->sockaddr.in6.sin6_addr.s6_addr[i]);

		break;
	case OFSocketAddressFamilyUNIX:;
		void *pool = objc_autoreleasePoolPush();
		OFString *path = OFSocketAddressUNIXPath(address);

		hash = path.hash;

		objc_autoreleasePoolPop(pool);

		return hash;
	case OFSocketAddressFamilyIPX:;
		unsigned char network[
		    sizeof(address->sockaddr.ipx.sipx_network)];

		if (address->length < (socklen_t)sizeof(struct sockaddr_ipx))
			@throw [OFInvalidArgumentException exception];

		OFHashAdd(&hash, address->sockaddr.ipx.sipx_port >> 8);
		OFHashAdd(&hash, address->sockaddr.ipx.sipx_port);

		memcpy(network, &address->sockaddr.ipx.sipx_network,
		    sizeof(network));

		for (size_t i = 0; i < sizeof(network); i++)
			OFHashAdd(&hash, network[i]);

		for (size_t i = 0; i < IPX_NODE_LEN; i++)
			OFHashAdd(&hash, address->sockaddr.ipx.sipx_node[i]);

		break;
	case OFSocketAddressFamilyUNIX:;
		void *pool = objc_autoreleasePoolPush();
		OFString *path = OFSocketAddressUNIXPath(address);

		hash = path.hash;

		objc_autoreleasePoolPop(pool);

		return hash;
	default:
		@throw [OFInvalidArgumentException exception];
	}

	OFHashFinalize(&hash);

	return hash;

		return OFFromBigEndian16(address->sockaddr.in6.sin6_port);
	case OFSocketAddressFamilyIPX:
		return OFFromBigEndian16(address->sockaddr.ipx.sipx_port);
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

OFString *
OFSocketAddressUNIXPath(const OFSocketAddress *_Nonnull address)
{
	socklen_t length;

	if (address->family != OFSocketAddressFamilyUNIX)
		@throw [OFInvalidArgumentException exception];

	length = address->length - offsetof(struct sockaddr_un, sun_path);

	for (socklen_t i = 0; i < length; i++)
		if (address->sockaddr.un.sun_path[i] == 0)
			length = i;

	if (length <= 0)
		return nil;

	return [OFString stringWithCString: address->sockaddr.un.sun_path
				  encoding: [OFLocale encoding]
				    length: length];
}

void
OFSocketAddressSetIPXNetwork(OFSocketAddress *address, uint32_t network)
{
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

    unsigned char node[IPX_NODE_LEN])
{
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

	memcpy(node, address->sockaddr.ipx.sipx_node, IPX_NODE_LEN);
}

OFString *
OFSocketAddressUNIXPath(const OFSocketAddress *_Nonnull address)
{
	socklen_t length;

	if (address->family != OFSocketAddressFamilyUNIX)
		@throw [OFInvalidArgumentException exception];

	length = address->length - offsetof(struct sockaddr_un, sun_path);

	for (socklen_t i = 0; i < length; i++)
		if (address->sockaddr.un.sun_path[i] == 0)
			length = i;

	if (length <= 0)
		return nil;

	return [OFString stringWithCString: address->sockaddr.un.sun_path
				  encoding: [OFLocale encoding]
				    length: length];
}

		client->_remoteAddress.family = OFSocketAddressFamilyIPv4;
		break;
#ifdef OF_HAVE_IPV6
	case AF_INET6:
		client->_remoteAddress.family = OFSocketAddressFamilyIPv6;
		break;
#endif
#ifdef OF_HAVE_IPX
	case AF_IPX:
		client->_remoteAddress.family = OFSocketAddressFamilyIPX;
		break;
#endif
#ifdef OF_HAVE_UNIX_SOCKETS
	case AF_UNIX:
		client->_remoteAddress.family = OFSocketAddressFamilyUNIX;
		break;
#endif
#ifdef OF_HAVE_IPX
	case AF_IPX:
		client->_remoteAddress.family = OFSocketAddressFamilyIPX;
		break;
#endif
	default:
		client->_remoteAddress.family = OFSocketAddressFamilyUnknown;
		break;
	}

	return client;

 *
 * @brief An exception indicating that a connection could not be established.
 */
@interface OFConnectionFailedException: OFException
{
	OFString *_Nullable _host;
	uint16_t _port;
	unsigned char _node[IPX_NODE_LEN];
	OFString *_Nullable _path;
	uint32_t _network;
	OFString *_Nullable _path;
	unsigned char _node[IPX_NODE_LEN];
	id _socket;
	int _errNo;
}

/**
 * @brief The host to which the connection failed.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *host;

/**
 * @brief The port on the host to which the connection failed.
 */
@property (readonly, nonatomic) uint16_t port;

/**
 * @brief The IPX node to which the connection failed.
 * @brief The path to which the connection failed.
 */
@property (readonly, nonatomic) unsigned char *node;
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *path;

/**
 * @brief The IPX network of the node to which the connection failed.
 */
@property (readonly, nonatomic) uint32_t network;

/**
 * @brief The path to which the connection failed.
 * @brief The IPX node to which the connection failed.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *path;
@property (readonly, nonatomic) unsigned char *node;

/**
 * @brief The socket which could not connect.
 */
@property (readonly, nonatomic) id socket;

/**

			     port: (uint16_t)port
			   socket: (id)socket
			    errNo: (int)errNo;

/**
 * @brief Creates a new, autoreleased connection failed exception.
 *
 * @param node The node to which the connection failed
 * @param network The IPX network of the node to which the connection failed
 * @param port The port on the node to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased connection failed exception
 */
+ (instancetype)exceptionWithNode: (unsigned char [_Nullable IPX_NODE_LEN])node
			  network: (uint32_t)network
			     port: (uint16_t)port
			   socket: (id)socket
			    errNo: (int)errNo;

/**
 * @brief Creates a new, autoreleased connection failed exception.
 *
 * @param path The path to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased connection failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			   socket: (id)socket
			    errNo: (int)errNo;

/**
 * @brief Creates a new, autoreleased connection failed exception.
 *
 * @param network The IPX network of the node to which the connection failed
 * @param node The node to which the connection failed
 * @param port The port on the node to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased connection failed exception
 */
+ (instancetype)
    exceptionWithNetwork: (uint32_t)network
		    node: (unsigned char [_Nullable IPX_NODE_LEN])node
		    port: (uint16_t)port
		  socket: (id)socket
		   errNo: (int)errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/**
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param host The host to which the connection failed
 * @param port The port on the host to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return An initialized connection failed exception
 */
- (instancetype)initWithHost: (OFString *)host
			port: (uint16_t)port
		      socket: (id)socket
		       errNo: (int)errNo;

/**
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param node The node to which the connection failed
 * @param network The IPX network of the node to which the connection failed
 * @param port The port on the node to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return An initialized connection failed exception
 */
- (instancetype)initWithNode: (unsigned char [_Nullable IPX_NODE_LEN])node
		     network: (uint32_t)network
			port: (uint16_t)port
		      socket: (id)socket
		       errNo: (int)errNo;

/**
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param path The path to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return An initialized connection failed exception
 */
- (instancetype)initWithPath: (OFString *)path
		      socket: (id)socket
		       errNo: (int)errNo;

/**
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param network The IPX network of the node to which the connection failed
 * @param node The node to which the connection failed
 * @param port The port on the node to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return An initialized connection failed exception
 */
- (instancetype)initWithNetwork: (uint32_t)network
			   node: (unsigned char [_Nullable IPX_NODE_LEN])node
			   port: (uint16_t)port
			 socket: (id)socket
			  errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;
@end

OF_ASSUME_NONNULL_END

#include "config.h"

#import "OFConnectionFailedException.h"
#import "OFString.h"

@implementation OFConnectionFailedException
@synthesize host = _host, port = _port, network = _network, path = _path;
@synthesize host = _host, port = _port, path = _path, network = _network;
@synthesize socket = _socket, errNo = _errNo;

+ (instancetype)exceptionWithHost: (OFString *)host
			     port: (uint16_t)port
			   socket: (id)sock
			    errNo: (int)errNo
{
	return [[[self alloc] initWithHost: host
				      port: port
				    socket: sock
				     errNo: errNo] autorelease];
}

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithNode: (unsigned char [IPX_NODE_LEN])node
			  network: (uint32_t)network
			     port: (uint16_t)port
			   socket: (id)sock
			    errNo: (int)errNo
{
	return [[[self alloc] initWithNode: node
				   network: network
				      port: port
				    socket: sock
				     errNo: errNo] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			   socket: (id)sock
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
				    socket: sock
				     errNo: errNo] autorelease];
}

+ (instancetype)exceptionWithNetwork: (uint32_t)network
				node: (unsigned char [IPX_NODE_LEN])node
				port: (uint16_t)port
			      socket: (id)sock
			       errNo: (int)errNo
{
	return [[[self alloc] initWithNetwork: network
					 node: node
					 port: port
				       socket: sock
					errNo: errNo] autorelease];
}

- (instancetype)initWithHost: (OFString *)host
			port: (uint16_t)port
		      socket: (id)sock
		       errNo: (int)errNo
{
	self = [super init];

		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithNode: (unsigned char [IPX_NODE_LEN])node
- (instancetype)initWithPath: (OFString *)path
		     network: (uint32_t)network
			port: (uint16_t)port
		      socket: (id)sock
		       errNo: (int)errNo
{
	self = [super init];

	@try {
		memcpy(_node, node, IPX_NODE_LEN);
		_network = network;
		_port = port;
		_path = [path copy];
		_socket = [sock retain];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithPath: (OFString *)path
		      socket: (id)sock
		       errNo: (int)errNo
- (instancetype)initWithNetwork: (uint32_t)network
			   node: (unsigned char [IPX_NODE_LEN])node
			   port: (uint16_t)port
			 socket: (id)sock
			  errNo: (int)errNo
{
	self = [super init];

	@try {
		_network = network;
		memcpy(_node, node, IPX_NODE_LEN);
		_path = [path copy];
		_port = port;
		_socket = [sock retain];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	if (_accepted && _connected)
		[[OFRunLoop mainRunLoop] stop];

	return false;
}

-     (void)socket: (OFSPXSocket *)sock
  didConnectToNode: (unsigned char [IPX_NODE_LEN])node
-	 (void)socket: (OFSPXSocket *)sock
  didConnectToNetwork: (uint32_t)network
		 node: (unsigned char [IPX_NODE_LEN])node
	   network: (uint32_t)network
	      port: (uint16_t)port
	 exception: (id)exception
		 port: (uint16_t)port
	    exception: (id)exception
{
	OFEnsure(!_connected);

	_connected = (sock == _expectedClientSocket &&
	    network == _expectedNetwork &&
	    memcmp(node, _expectedNode, IPX_NODE_LEN) == 0 &&
	    network == _expectedNetwork && port == _expectedPort &&
	    port == _expectedPort && exception == nil);
	    exception == nil);

	if (_accepted && _connected)
		[[OFRunLoop mainRunLoop] stop];
}
@end

@implementation TestsAppDelegate (OFSPXSocketTests)
- (void)SPXSocketTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSPXSocket *sockClient, *sockServer = nil, *sockAccepted;
	OFSocketAddress address1;
	const OFSocketAddress *address2;
	unsigned char node[IPX_NODE_LEN], node2[IPX_NODE_LEN];
	uint32_t network;
	unsigned char node[IPX_NODE_LEN], node2[IPX_NODE_LEN];
	uint16_t port;
	char buffer[5];
	SPXSocketDelegate *delegate;

	TEST(@"+[socket]", (sockClient = [OFSPXSocket socket]) &&
	    (sockServer = [OFSPXSocket socket]))

			@throw e;
		}

		objc_autoreleasePoolPop(pool);
		return;
	}

	OFSocketAddressIPXNode(&address1, node);
	network = OFSocketAddressIPXNetwork(&address1);
	OFSocketAddressIPXNode(&address1, node);
	port = OFSocketAddressPort(&address1);

	TEST(@"-[listen]", R([sockServer listen]))

	TEST(@"-[connectToNode:network:port:]",
	    R([sockClient connectToNode: node network: network port: port]))
	TEST(@"-[connectToNetwork:node:port:]",
	    R([sockClient connectToNetwork: network node: node port: port]))

	TEST(@"-[accept]", (sockAccepted = [sockServer accept]))

	TEST(@"-[sendBuffer:length:]",
	    R([sockAccepted sendBuffer: "Hello" length: 5]))

	TEST(@"-[receiveIntoBuffer:length:]",
	    [sockClient receiveIntoBuffer: buffer length: 5] == 5 &&
	    memcmp(buffer, "Hello", 5) == 0)

	TEST(@"-[remoteAddress]",
	    (address2 = sockAccepted.remoteAddress) &&
	    OFSocketAddressIPXNetwork(address2) == network &&
	    R(OFSocketAddressIPXNode(address2, node2)) &&
	    memcmp(node, node2, IPX_NODE_LEN) == 0 &&
	    memcmp(node, node2, IPX_NODE_LEN) == 0)
	    OFSocketAddressIPXNetwork(address2) == network)

	delegate = [[[SPXSocketDelegate alloc] init] autorelease];

	sockServer = [OFSPXSocket socket];
	delegate->_expectedServerSocket = sockServer;
	sockServer.delegate = delegate;

	sockClient = [OFSPXSocket socket];
	delegate->_expectedClientSocket = sockClient;
	sockClient.delegate = delegate;

	address1 = [sockServer bindToPort: 0];
	[sockServer listen];
	[sockServer asyncAccept];

	OFSocketAddressIPXNode(&address1, node);
	memcpy(delegate->_expectedNode, node, IPX_NODE_LEN);
	delegate->_expectedNetwork = network =
	    OFSocketAddressIPXNetwork(&address1);
	OFSocketAddressIPXNode(&address1, node);
	memcpy(delegate->_expectedNode, node, IPX_NODE_LEN);
	delegate->_expectedPort = port = OFSocketAddressPort(&address1);

	@try {
		[sockClient asyncConnectToNode: node
				       network: network
					  port: port];
		[sockClient asyncConnectToNetwork: network
					     node: node
					     port: port];

		[[OFRunLoop mainRunLoop] runUntilDate:
		    [OFDate dateWithTimeIntervalSinceNow: 2]];

		TEST(@"-[asyncAccept] & -[asyncConnectToNode:network:port:]",
		TEST(@"-[asyncAccept] & -[asyncConnectToNetwork:node:port:]",
		    delegate->_accepted && delegate->_connected)
	} @catch (OFObserveFailedException *e) {
		switch (e.errNo) {
		case ENOTSOCK:
			[OFStdOut setForegroundColor: [OFColor lime]];
			[OFStdOut writeLine:
			    @"\r[OFSPXSocket] -[asyncAccept] & "
			    @"-[asyncConnectToNode:network:port:]: select() "
			    @"-[asyncConnectToNetwork:node:port:]: select() "
			    @"not supported for SPX, skipping test"];
			break;
		default:
			@throw e;
		}
	}

	objc_autoreleasePoolPop(pool);
}
@end

static OFString *const module = @"OFSPXStreamSocket";

@interface SPXStreamSocketDelegate: OFObject <OFSPXStreamSocketDelegate>
{
@public
	OFStreamSocket *_expectedServerSocket;
	OFSPXStreamSocket *_expectedClientSocket;
	unsigned char _expectedNode[IPX_NODE_LEN];
	uint32_t _expectedNetwork;
	unsigned char _expectedNode[IPX_NODE_LEN];
	uint16_t _expectedPort;
	bool _accepted;
	bool _connected;
}
@end

@implementation SPXStreamSocketDelegate

	if (_accepted && _connected)
		[[OFRunLoop mainRunLoop] stop];

	return false;
}

-     (void)socket: (OFSPXStreamSocket *)sock
  didConnectToNode: (unsigned char [IPX_NODE_LEN])node
-	 (void)socket: (OFSPXStreamSocket *)sock
  didConnectToNetwork: (uint32_t)network
		 node: (unsigned char [IPX_NODE_LEN])node
	   network: (uint32_t)network
	      port: (uint16_t)port
	 exception: (id)exception
		 port: (uint16_t)port
	    exception: (id)exception
{
	OFEnsure(!_connected);

	_connected = (sock == _expectedClientSocket &&
	    network == _expectedNetwork &&
	    memcmp(node, _expectedNode, IPX_NODE_LEN) == 0 &&
	    network == _expectedNetwork && port == _expectedPort &&
	    port == _expectedPort && exception == nil);
	    exception == nil);

	if (_accepted && _connected)
		[[OFRunLoop mainRunLoop] stop];
}
@end

@implementation TestsAppDelegate (OFSPXStreamSocketTests)
- (void)SPXStreamSocketTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSPXStreamSocket *sockClient, *sockServer = nil, *sockAccepted;
	OFSocketAddress address1;
	const OFSocketAddress *address2;
	unsigned char node[IPX_NODE_LEN], node2[IPX_NODE_LEN];
	uint32_t network;
	unsigned char node[IPX_NODE_LEN], node2[IPX_NODE_LEN];
	uint16_t port;
	char buffer[5];
	SPXStreamSocketDelegate *delegate;

	TEST(@"+[socket]", (sockClient = [OFSPXStreamSocket socket]) &&
	    (sockServer = [OFSPXStreamSocket socket]))

			@throw e;
		}

		objc_autoreleasePoolPop(pool);
		return;
	}

	OFSocketAddressIPXNode(&address1, node);
	network = OFSocketAddressIPXNetwork(&address1);
	OFSocketAddressIPXNode(&address1, node);
	port = OFSocketAddressPort(&address1);

	TEST(@"-[listen]", R([sockServer listen]))

	TEST(@"-[connectToNode:network:port:]",
	    R([sockClient connectToNode: node network: network port: port]))
	TEST(@"-[connectToNetwork:node:port:]",
	    R([sockClient connectToNetwork: network node: node port: port]))

	TEST(@"-[accept]", (sockAccepted = [sockServer accept]))

	/* Test reassembly (this would not work with OFSPXSocket) */
	TEST(@"-[writeBuffer:length:]",
	    R([sockAccepted writeBuffer: "Hello" length: 5]))

	TEST(@"-[readIntoBuffer:length:]",
	    [sockClient readIntoBuffer: buffer length: 2] == 2 &&
	    memcmp(buffer, "He", 2) == 0 &&
	    [sockClient readIntoBuffer: buffer length: 3] == 3 &&
	    memcmp(buffer, "llo", 3) == 0)

	TEST(@"-[remoteAddress]",
	    (address2 = sockAccepted.remoteAddress) &&
	    OFSocketAddressIPXNetwork(address2) == network &&
	    R(OFSocketAddressIPXNode(address2, node2)) &&
	    memcmp(node, node2, IPX_NODE_LEN) == 0 &&
	    memcmp(node, node2, IPX_NODE_LEN) == 0)
	    OFSocketAddressIPXNetwork(address2) == network)

	delegate = [[[SPXStreamSocketDelegate alloc] init] autorelease];

	sockServer = [OFSPXStreamSocket socket];
	delegate->_expectedServerSocket = sockServer;
	sockServer.delegate = delegate;

	sockClient = [OFSPXStreamSocket socket];
	delegate->_expectedClientSocket = sockClient;
	sockClient.delegate = delegate;

	address1 = [sockServer bindToPort: 0];
	[sockServer listen];
	[sockServer asyncAccept];

	OFSocketAddressIPXNode(&address1, node);
	memcpy(delegate->_expectedNode, node, IPX_NODE_LEN);
	delegate->_expectedNetwork = network =
	    OFSocketAddressIPXNetwork(&address1);
	OFSocketAddressIPXNode(&address1, node);
	memcpy(delegate->_expectedNode, node, IPX_NODE_LEN);
	delegate->_expectedPort = port = OFSocketAddressPort(&address1);

	@try {
		[sockClient asyncConnectToNode: node
				       network: network
					  port: port];
		[sockClient asyncConnectToNetwork: network
					     node: node
					     port: port];

		[[OFRunLoop mainRunLoop] runUntilDate:
		    [OFDate dateWithTimeIntervalSinceNow: 2]];

		TEST(@"-[asyncAccept] & -[asyncConnectToNode:network:port:]",
		TEST(@"-[asyncAccept] & -[asyncConnectToNetwork:node:port:]",
		    delegate->_accepted && delegate->_connected)
	} @catch (OFObserveFailedException *e) {
		switch (e.errNo) {
		case ENOTSOCK:
			[OFStdOut setForegroundColor: [OFColor lime]];
			[OFStdOut writeLine:
			    @"\r[OFSPXStreamSocket] -[asyncAccept] & "
			    @"-[asyncConnectToNode:network:port:]: select() "
			    @"-[asyncConnectToNetwork:node:port:]: select() "
			    @"not supported for SPX, skipping test"];
			break;
		default:
			@throw e;
		}
	}

	objc_autoreleasePoolPop(pool);
}
@end