ObjFW  Check-in [607d4d083c]

 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    id <OFDDPSocketDelegate> delegate;

/**
 * @brief Bind the socket to the specified network, node and port.
 *

 * @param port The port to bind to. 0 means to pick one and return it via the
 *	       returned socket address.
 * @return The address on which this socket can be reached
 * @throw OFBindDDPSockeFailedException Binding failed
 * @throw OFAlreadyConnectedException The socket is already bound
 */
- (OFSocketAddress)bindToNetwork: (uint16_t)network
			    node: (uint8_t)node
			    port: (uint8_t)port;
@end

OF_ASSUME_NONNULL_END

#import "OFAlreadyConnectedException.h"
#import "OFBindDDPSocketFailedException.h"

@implementation OFDDPSocket
@dynamic delegate;

- (OFSocketAddress)bindToNetwork: (uint16_t)network
			    node: (uint8_t)node
			    port: (uint8_t)port
{
	OFSocketAddress address;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	int flags;
#endif

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

	address = OFSocketAddressMakeAppleTalk(network, node, port);

	if ((_socket = socket(address.sockaddr.at.sat_family,
	    SOCK_DGRAM | SOCK_CLOEXEC, 0)) == OFInvalidSocketHandle)
		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
				  socket: self
				   errNo: OFSocketErrNo()];

	_canBlock = true;

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

	if (bind(_socket, (struct sockaddr *)&address.sockaddr,
	    address.length) != 0) {
		int errNo = OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

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

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

	if (OFGetSockName(_socket, (struct sockaddr *)&address.sockaddr,
	    &address.length) != 0) {
		int errNo = OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

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

	if (address.sockaddr.at.sat_family != AF_APPLETALK) {
		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
				  socket: self
				   errNo: EAFNOSUPPORT];
	}

	return address;
}
@end

 *
 * @brief An exception indicating that binding a DDP socket failed.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFBindDDPSocketFailedException: OFBindSocketFailedException
{
	uint16_t _network;
	uint8_t _node, _port;
}

/**
 * @brief The DDP network on which binding failed.
 */
@property (readonly, nonatomic) uint16_t network;

/**
 * @brief The DDP node for which binding failed.
 */
@property (readonly, nonatomic) uint8_t node;

/**
 * @brief The DDP port on which binding failed.
 */
@property (readonly, nonatomic) uint8_t port;

/**
 * @brief Creates a new, autoreleased bind DDP socket failed exception.
 *
 * @param network The DDP network on which binding failed
 * @param node The DDP node for which binding failed
 * @param port The DDP port on which binding failed
 * @param socket The socket which could not be bound
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased bind DDP socket failed exception
 */
+ (instancetype)exceptionWithNetwork: (uint16_t)network
				node: (uint8_t)node
				port: (uint8_t)port
			      socket: (id)socket
			       errNo: (int)errNo;

+ (instancetype)exceptionWithSocket: (id)socket
			      errNo: (int)errNo OF_UNAVAILABLE;

/**
 * @brief Initializes an already allocated bind DDP socket failed exception.
 *
 * @param network The DDP network on which binding failed
 * @param node The DDP node for which binding failed
 * @param port The DDP port on which binding failed
 * @param socket The socket which could not be bound
 * @param errNo The errno of the error that occurred
 * @return An initialized bind DDP socket failed exception
 */
- (instancetype)initWithNetwork: (uint16_t)network
			   node: (uint8_t)node
			   port: (uint8_t)port
			 socket: (id)socket
			  errNo: (int)errNo OF_DESIGNATED_INITIALIZER;

- (instancetype)initWithSocket: (id)socket errNo: (int)errNo OF_UNAVAILABLE;
@end

OF_ASSUME_NONNULL_END

#include "config.h"

#import "OFBindDDPSocketFailedException.h"
#import "OFData.h"
#import "OFString.h"

@implementation OFBindDDPSocketFailedException
@synthesize network = _network, node = _node, port = _port;

+ (instancetype)exceptionWithSocket: (id)sock errNo: (int)errNo
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithNetwork: (uint16_t)network
				node: (uint8_t)node
				port: (uint8_t)port
			      socket: (id)sock
			       errNo: (int)errNo
{
	return [[[self alloc] initWithNetwork: network
					 node: node
					 port: port
				       socket: sock
					errNo: errNo] autorelease];
}

- (instancetype)initWithSocket: (id)sock errNo: (int)errNo
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithNetwork: (uint16_t)network
			   node: (uint8_t)node
			   port: (uint8_t)port
			 socket: (id)sock
			  errNo: (int)errNo
{
	self = [super initWithSocket: sock errNo: errNo];

	@try {
		_network = network;
		_node = node;
		_port = port;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Binding to port %" @PRIx8 @" of node %" @PRIx8 @" on network "
	    @"%" PRIx16 @" failed in socket of type %@: %@",
	    _port, _node, _network, [_socket class], OFStrError(_errNo)];
}
@end

	OFDDPSocket *sock;
	OFSocketAddress address1, address2;
	char buffer[5];

	TEST(@"+[socket]", (sock = [OFDDPSocket socket]))

	@try {
		TEST(@"-[bindToNetwork:node:port:]",
		    R(address1 = [sock bindToNetwork: 0 node: 0 port: 0]))
	} @catch (OFBindSocketFailedException *e) {
		switch (e.errNo) {
		case EAFNOSUPPORT:
			[OFStdOut setForegroundColor: [OFColor lime]];
			[OFStdOut writeLine:
			    @"\r[OFDDPSocket] -[bindToNetwork:node:port:] "
			    @"AppleTalk unsupported, skipping tests"];
			break;
		case EADDRNOTAVAIL:
			[OFStdOut setForegroundColor: [OFColor lime]];
			[OFStdOut writeLine:
			    @"\r[OFDDPSocket] -[bindToNetwork:node:port:] "
			    @"AppleTalk not configured, skipping tests"];
			break;
		default:
			@throw e;
		}

		objc_autoreleasePoolPop(pool);