ObjFW  Check-in [310fd74f89]

 *	    was called to create one "instance" for every thread!
 */
@interface OFDatagramSocket: OFObject <OFCopying, OFReadyForReadingObserving,
    OFReadyForWritingObserving>
{
	of_socket_t _socket;
	bool _blocking;
#ifdef OF_WII
	bool _broadcastAllowed;
#endif
	id <OFDatagramSocketDelegate> _Nullable _delegate;
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether the socket is in blocking mode.
 *
 * By default, a socket is in blocking mode.
 */
@property (nonatomic, getter=isBlocking) bool blocking;

/*!
 * @brief Whether the socket is allowed to send to broadcast addresses.
 */
@property (nonatomic, getter=isBroadcastAllowed) bool broadcastAllowed;

/*!
 * @brief The delegate for asynchronous operations on the socket.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)

#endif

#import "OFDatagramSocket.h"
#import "OFData.h"
#import "OFRunLoop+Private.h"
#import "OFRunLoop.h"

#import "OFGetOptionFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFSetOptionFailedException.h"
#import "OFSetOptionFailedException.h"
#import "OFWriteFailedException.h"

#import "socket.h"
#import "socket_helpers.h"

@implementation OFDatagramSocket

				  errNo: of_socket_errno()];

	_blocking = enable;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (void)setBroadcastAllowed: (bool)allowed
{
	int v = allowed;

	if (setsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

#ifdef OF_WII
	_broadcastAllowed = allowed;
#endif
}

- (bool)isBroadcastAllowed
{
#ifndef OF_WII
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
#else
	return _broadcastAllowed;
#endif
}

- (size_t)receiveIntoBuffer: (void *)buffer
		     length: (size_t)length
		     sender: (of_socket_address_t *)sender
{
	ssize_t ret;

{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, SOL_SOCKET, SO_KEEPALIVE,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
}
#endif

#ifndef OF_WII

{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, IPPROTO_TCP, TCP_NODELAY,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
}
#endif

- (void)close

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN



/*!
 * @class OFGetOptionFailedException \
 *	  OFGetOptionFailedException.h ObjFW/OFGetOptionFailedException.h
 *
 * @brief An exception indicating that getting an option for an object failed.
 */
@interface OFGetOptionFailedException: OFException
{
	id _object;
	int _errNo;
}

/*!
 * @brief The object for which the option could not be retrieved.
 */
@property (readonly, nonatomic) id object;

/*!
 * @brief The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased get option failed exception.
 *
 * @param object The object for which the option could not be retrieved
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased get option failed exception
 */
+ (instancetype)exceptionWithObject: (id)object
			      errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated get option failed exception.
 *
 * @param object The object for which the option could not be retrieved
 * @param errNo The errno of the error that occurred
 * @return An initialized get option failed exception
 */
- (instancetype)initWithObject: (id)object
			 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFGetOptionFailedException.h"
#import "OFString.h"


@implementation OFGetOptionFailedException
@synthesize object = _object, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithObject: (id)object
			      errNo: (int)errNo
{
	return [[[self alloc] initWithObject: object
				       errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithObject: (id)object
			 errNo: (int)errNo
{
	self = [super init];

	_object = [object retain];
	_errNo = errNo;

	return self;
}

- (void)dealloc
{
	[_object release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Getting an option in an object of type %@ failed: %@",
	    [_object class], of_strerror(_errNo)];
}
@end