ObjFW  Check-in [b480ef54db]

 * @brief Asynchronously performs the specified query.
 *
 * @param query The query to perform
 * @param runLoopMode The run loop mode in which to resolve
 * @param delegate The delegate to use for callbacks
 */
- (void)asyncPerformQuery: (OFDNSQuery *)query
	      runLoopMode: (of_run_loop_mode_t)runLoopMode
		 delegate: (id <OFDNSResolverQueryDelegate>)delegate;

/**
 * @brief Asynchronously resolves the specified host to socket addresses.
 *
 * @param host The host to resolve
 * @param delegate The delegate to use for callbacks

 * @param host The host to resolve
 * @param addressFamily The desired socket address family
 * @param runLoopMode The run loop mode in which to resolve
 * @param delegate The delegate to use for callbacks
 */
- (void)asyncResolveAddressesForHost: (OFString *)host
		       addressFamily: (of_socket_address_family_t)addressFamily
			 runLoopMode: (of_run_loop_mode_t)runLoopMode
			    delegate: (id <OFDNSResolverHostDelegate>)delegate;

/**
 * @brief Synchronously resolves the specified host to socket addresses.
 *
 * @param host The host to resolve
 * @param addressFamily The desired socket address family

- (void)setConfigReloadInterval: (OFTimeInterval)configReloadInterval
{
	_settings->_configReloadInterval = configReloadInterval;
}

- (void)of_sendQueryForContext: (OFDNSResolverContext *)context
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFUDPSocket *sock;
	OFString *nameServer;

	[_queries setObject: context forKey: context->_ID];

	[context->_cancelTimer invalidate];

			 runLoopMode: runLoopMode];
}

- (void)asyncPerformQuery: (OFDNSQuery *)query
		 delegate: (id <OFDNSResolverQueryDelegate>)delegate
{
	[self asyncPerformQuery: query
		    runLoopMode: of_run_loop_mode_default
		       delegate: delegate];
}

- (void)asyncPerformQuery: (OFDNSQuery *)query
	      runLoopMode: (of_run_loop_mode_t)runLoopMode
		 delegate: (id <OFDNSResolverQueryDelegate>)delegate
{
	void *pool = objc_autoreleasePoolPush();
	OFNumber *ID;
	OFDNSResolverContext *context;

	/* Random, unused ID */

	[self of_sendQueryForContext: context runLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

- (void)of_contextTimedOut: (OFDNSResolverContext *)context
{
	of_run_loop_mode_t runLoopMode = [OFRunLoop currentRunLoop].currentMode;
	OFDNSQueryFailedException *exception;

	if (context->_TCPSocket != nil) {
		context->_TCPSocket.delegate = nil;
		[context->_TCPSocket cancelAsyncRequests];

		[_TCPQueries removeObjectForKey: context->_TCPSocket];

		/* Opcode */
		if ((buffer[2] & 0x78) != (queryDataBuffer[2] & 0x78))
			@throw [OFInvalidServerReplyException exception];

		/* TC */
		if (buffer[2] & 0x02) {
			of_run_loop_mode_t runLoopMode;

			if (context->_settings->_usesTCP)
				@throw [OFTruncatedDataException exception];

			context->_settings->_usesTCP = true;
			runLoopMode = [OFRunLoop currentRunLoop].currentMode;
			[self of_sendQueryForContext: context

			tryNextNameServer = true;
			break;
		}

		if (tryNextNameServer) {
			if (context->_nameServersIndex + 1 <
			    context->_settings->_nameServers.count) {
				of_run_loop_mode_t runLoopMode =
				    [OFRunLoop currentRunLoop].currentMode;

				context->_nameServersIndex++;

				[self of_sendQueryForContext: context
						 runLoopMode: runLoopMode];
				return false;

}

- (void)asyncResolveAddressesForHost: (OFString *)host
			    delegate: (id <OFDNSResolverHostDelegate>)delegate
{
	[self asyncResolveAddressesForHost: host
			     addressFamily: OF_SOCKET_ADDRESS_FAMILY_ANY
			       runLoopMode: of_run_loop_mode_default
				  delegate: delegate];
}

- (void)asyncResolveAddressesForHost: (OFString *)host
		       addressFamily: (of_socket_address_family_t)addressFamily
			    delegate: (id <OFDNSResolverHostDelegate>)delegate
{
	[self asyncResolveAddressesForHost: host
			     addressFamily: addressFamily
			       runLoopMode: of_run_loop_mode_default
				  delegate: delegate];
}

- (void)asyncResolveAddressesForHost: (OFString *)host
		       addressFamily: (of_socket_address_family_t)addressFamily
			 runLoopMode: (of_run_loop_mode_t)runLoopMode
			    delegate: (id <OFDNSResolverHostDelegate>)delegate
{
	void *pool = objc_autoreleasePoolPush();
	OFHostAddressResolver *resolver = [[[OFHostAddressResolver alloc]
	    initWithHost: host
	   addressFamily: addressFamily
		resolver: self

 *
 * @param buffer The buffer to write the datagram to
 * @param length The length of the buffer
 * @param runLoopMode The run loop mode in which to perform the async receive
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously receives a datagram and stores it into the specified
 *	  buffer.
 *
 * If the buffer is too small, the datagram is truncated.

 *		buffer and maximum length when more datagrams have been
 *		received. If you want the next method in the queue to handle
 *		the datagram received next, you need to return false from the
 *		method.
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
			 block: (OFDatagramSocketAsyncReceiveBlock)block;
#endif

/**
 * @brief Sends the specified datagram to the specified address.
 *
 * @param buffer The buffer to send as a datagram

 * @param data The data to send as a datagram
 * @param receiver A pointer to an @ref of_socket_address_t to which the
 *		   datagram should be sent. The receiver is copied.
 * @param runLoopMode The run loop mode in which to perform the async send
 */
- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
	  runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously sends the specified datagram to the specified address.
 *
 * @param data The data to send as a datagram
 * @param receiver A pointer to an @ref of_socket_address_t to which the

 * @param runLoopMode The run loop mode in which to perform the async send
 * @param block The block to call when the packet has been sent. It should
 *		return the data for the next send with the same callback or nil
 *		if it should not repeat.
 */
- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
		block: (OFDatagramSocketAsyncSendDataBlock)block;
#endif

/**
 * @brief Cancels all pending asynchronous requests on the socket.
 */
- (void)cancelAsyncRequests;

	return ret;
}

- (void)asyncReceiveIntoBuffer: (void *)buffer length: (size_t)length
{
	[self asyncReceiveIntoBuffer: buffer
			      length: length
			 runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncReceiveForDatagramSocket: self
						buffer: buffer
						length: length
						  mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
						 block: NULL
# endif
					      delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
			 block: (OFDatagramSocketAsyncReceiveBlock)block
{
	[self asyncReceiveIntoBuffer: buffer
			      length: length
			 runLoopMode: of_run_loop_mode_default
			       block: block];
}

- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
			 block: (OFDatagramSocketAsyncReceiveBlock)block
{
	[OFRunLoop of_addAsyncReceiveForDatagramSocket: self
						buffer: buffer
						length: length
						  mode: runLoopMode
						 block: block

}

- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
{
	[self asyncSendData: data
		   receiver: receiver
		runLoopMode: of_run_loop_mode_default];
}

- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncSendForDatagramSocket: self
					       data: data
					   receiver: receiver
					       mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
					      block: NULL
# endif
					   delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
		block: (OFDatagramSocketAsyncSendDataBlock)block
{
	[self asyncSendData: data
		   receiver: receiver
		runLoopMode: of_run_loop_mode_default
		      block: block];
}

- (void)asyncSendData: (OFData *)data
	     receiver: (const of_socket_address_t *)receiver
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
		block: (OFDatagramSocketAsyncSendDataBlock)block
{
	[OFRunLoop of_addAsyncSendForDatagramSocket: self
					       data: data
					   receiver: receiver
					       mode: runLoopMode
					      block: block
					   delegate: nil];
}
#endif

- (void)cancelAsyncRequests
{
	[OFRunLoop of_cancelAsyncRequestsForObject: self
					      mode: of_run_loop_mode_default];
}

- (int)fileDescriptorForReading
{
#ifndef OF_WINDOWS
	return _socket;
#else

@interface OFHostAddressResolver: OFObject <OFDNSResolverQueryDelegate>
{
	OFString *_host;
	of_socket_address_family_t _addressFamily;
	OFDNSResolver *_resolver;
	OFDNSResolverSettings *_settings;
	of_run_loop_mode_t _Nullable _runLoopMode;
	id <OFDNSResolverHostDelegate> _Nullable _delegate;
	bool _isFQDN;
	size_t _searchDomainIndex;
	unsigned int _numExpectedResponses;
	OFMutableData *_addresses;
}

- (instancetype)initWithHost: (OFString *)host
	       addressFamily: (of_socket_address_family_t)addressFamily
		    resolver: (OFDNSResolver *)resolver
		    settings: (OFDNSResolverSettings *)settings
		 runLoopMode: (nullable of_run_loop_mode_t)runLoopMode
		    delegate: (nullable id <OFDNSResolverHostDelegate>)delegate;
- (void)asyncResolve;
- (OFData *)resolve;
@end

OF_ASSUME_NONNULL_END

@public
	bool _done;
	OFData *_addresses;
	id _exception;
}
@end

static const of_run_loop_mode_t resolveRunLoopMode =
    @"of_host_address_resolver_resolve_mode";

static bool
isFQDN(OFString *host, unsigned int minNumberOfDotsInAbsoluteName)
{
	const char *UTF8String;
	size_t length;
	unsigned int dots;

	}

	*address = [record address];
	return true;
}

static void
callDelegateInMode(of_run_loop_mode_t runLoopMode,
    id <OFDNSResolverHostDelegate> delegate, OFDNSResolver *resolver,
    OFString *host, OFData *addresses, id exception)
{
	SEL selector = @selector(resolver:didResolveHost:addresses:exception:);

	if ([delegate respondsToSelector: selector]) {
		OFTimer *timer = [OFTimer

}

@implementation OFHostAddressResolver: OFObject
- (instancetype)initWithHost: (OFString *)host
	       addressFamily: (of_socket_address_family_t)addressFamily
		    resolver: (OFDNSResolver *)resolver
		    settings: (OFDNSResolverSettings *)settings
		 runLoopMode: (of_run_loop_mode_t)runLoopMode
		    delegate: (id <OFDNSResolverHostDelegate>)delegate
{
	self = [super init];

	@try {
		_host = [host copy];
		_addressFamily = addressFamily;

- (instancetype)initWithSocket: (id)sock
			  host: (OFString *)host
			  port: (uint16_t)port
		      delegate: (nullable id)delegate
			 block: (nullable id)block;
- (void)didConnect;
- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
@end

OF_ASSUME_NONNULL_END

{
	return [OFConnectionFailedException exceptionWithHost: _host
							 port: _port
						       socket: _socket
							errNo: errNo];
}

- (void)tryNextAddressWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	of_socket_address_t address = *(const of_socket_address_t *)
	    [_socketAddresses itemAtIndex: _socketAddressesIndex++];
	int errNo;

	of_socket_address_set_port(&address, _port);

	_socketAddresses = [addresses copy];

	[self tryNextAddressWithRunLoopMode:
	    [OFRunLoop currentRunLoop].currentMode];
}

- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	@try {
		of_socket_address_t address =
		    of_socket_address_parse_ip(_host, _port);

		_socketAddresses = [[OFData alloc]
		    initWithItems: &address

@interface OFRunLoop ()
+ (void)of_setMainRunLoop: (OFRunLoop *)runLoop;
#ifdef OF_HAVE_SOCKETS
+ (void)of_addAsyncReadForStream: (OFStream <OFReadyForReadingObserving> *)
				      stream
			  buffer: (void *)buffer
			  length: (size_t)length
			    mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			   block: (nullable OFStreamAsyncReadBlock)block
# endif
			delegate: (nullable id <OFStreamDelegate>)delegate;
+ (void)of_addAsyncReadForStream: (OFStream <OFReadyForReadingObserving> *)
				      stream
			  buffer: (void *)buffer
		     exactLength: (size_t)length
			    mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			   block: (nullable OFStreamAsyncReadBlock)block
# endif
			delegate: (nullable id <OFStreamDelegate>)delegate;
+ (void)of_addAsyncReadLineForStream: (OFStream <OFReadyForReadingObserving> *)
					  stream
			    encoding: (OFStringEncoding)encoding
				mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			       block: (nullable OFStreamAsyncReadLineBlock)block
# endif
			    delegate: (nullable id <OFStreamDelegate>)delegate;
+ (void)of_addAsyncWriteForStream: (OFStream <OFReadyForWritingObserving> *)
				       stream
			     data: (OFData *)data
			     mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			    block: (nullable OFStreamAsyncWriteDataBlock)block
# endif
			 delegate: (nullable id <OFStreamDelegate>)delegate;
+ (void)of_addAsyncWriteForStream: (OFStream <OFReadyForWritingObserving> *)
				       stream
			   string: (OFString *)string
			 encoding: (OFStringEncoding)encoding
			     mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			    block: (nullable OFStreamAsyncWriteStringBlock)block
# endif
			 delegate: (nullable id <OFStreamDelegate>)delegate;
# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
+ (void)of_addAsyncConnectForSocket: (id)socket
			       mode: (of_run_loop_mode_t)mode
			   delegate: (id <OFRunLoopConnectDelegate>)delegate;
# endif
+ (void)of_addAsyncAcceptForSocket: (id)socket
			      mode: (of_run_loop_mode_t)mode
			     block: (nullable id)block
			  delegate: (nullable id)delegate;
+ (void)of_addAsyncReceiveForDatagramSocket: (OFDatagramSocket *)socket
    buffer: (void *)buffer
    length: (size_t)length
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (nullable OFDatagramSocketAsyncReceiveBlock)block
# endif
  delegate: (nullable id <OFDatagramSocketDelegate>) delegate;
+ (void)of_addAsyncSendForDatagramSocket: (OFDatagramSocket *)socket
      data: (OFData *)data
  receiver: (const of_socket_address_t *)receiver
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (nullable OFDatagramSocketAsyncSendDataBlock)block
# endif
  delegate: (nullable id <OFDatagramSocketDelegate>)delegate;
+ (void)of_addAsyncReceiveForSequencedPacketSocket:
					       (OFSequencedPacketSocket *)socket
    buffer: (void *)buffer
    length: (size_t)length
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (nullable OFSequencedPacketSocketAsyncReceiveBlock)block
# endif
  delegate: (nullable id <OFSequencedPacketSocketDelegate>) delegate;
+ (void)of_addAsyncSendForSequencedPacketSocket:
					       (OFSequencedPacketSocket *)socket
      data: (OFData *)data
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (nullable OFSequencedPacketSocketAsyncSendDataBlock)block
# endif
  delegate: (nullable id <OFSequencedPacketSocketDelegate>)delegate;
+ (void)of_cancelAsyncRequestsForObject: (id)object
				   mode: (of_run_loop_mode_t)mode;
#endif
- (void)of_removeTimer: (OFTimer *)timer forMode: (of_run_loop_mode_t)mode;
@end

OF_ASSUME_NONNULL_END

@class OFMutableDictionary OF_GENERIC(KeyType, ObjectType);
@class OFTimer;
@class OFDate;

/**
 * @brief A mode for an OFRunLoop.
 */
typedef OFConstantString *of_run_loop_mode_t;

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief The default mode for an OFRunLoop.
 */
extern const of_run_loop_mode_t of_run_loop_mode_default;
#ifdef __cplusplus
}
#endif

/**
 * @class OFRunLoop OFRunLoop.h ObjFW/OFRunLoop.h
 *
 * @brief A class providing a run loop for the application and its processes.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFRunLoop: OFObject
{
	OFMutableDictionary *_states;
#ifdef OF_HAVE_THREADS
	OFMutex *_statesMutex;
#endif
	of_run_loop_mode_t _Nullable _currentMode;
	volatile bool _stop;
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nullable, nonatomic) OFRunLoop *mainRunLoop;
@property (class, readonly, nullable, nonatomic) OFRunLoop *currentRunLoop;
#endif
@property OF_NULLABLE_PROPERTY (readonly, nonatomic)
    of_run_loop_mode_t currentMode;

/**
 * @brief Returns the run loop for the main thread.
 *
 * @return The run loop for the main thread
 */
+ (nullable OFRunLoop *)mainRunLoop;

/**
 * @brief Adds an OFTimer to the run loop for the specified mode.
 *
 * @param timer The timer to add
 * @param mode The run loop mode in which to run the timer
 */
- (void)addTimer: (OFTimer *)timer forMode: (of_run_loop_mode_t)mode;

#ifdef OF_AMIGAOS
/**
 * @brief Adds an Exec Signal to the run loop.
 *
 * If a signal is added multiple times, the specified methods will be performed
 * in the order added.

 * @param mode The run loop mode in which to handle the signal
 * @param target The target to call when the signal was received
 * @param selector The selector to call on the target when the signal was
 *		   received. The selector must have one parameter for the ULONG
 *		   of the signal that was received.
 */
- (void)addExecSignal: (ULONG)signal
	      forMode: (of_run_loop_mode_t)mode
	       target: (id)target
	     selector: (SEL)selector;

/**
 * @brief Removes the specified Exec Signal with the specified target and
 *	  selector.
 *

 *
 * @param signal The signal to remove
 * @param mode The run loop mode to which the signal was added
 * @param target The target which was specified when adding the signal
 * @param selector The selector which was specified when adding the signal
 */
- (void)removeExecSignal: (ULONG)signal
		 forMode: (of_run_loop_mode_t)mode
		  target: (id)target
		selector: (SEL)selector;
#endif

/**
 * @brief Starts the run loop.
 */

/**
 * @brief Run the run loop until an event or timer occurs or the specified
 *	  deadline is reached.
 *
 * @param mode The mode in which to run the run loop
 * @param deadline The date until which the run loop should run at the longest
 */
- (void)runMode: (of_run_loop_mode_t)mode
     beforeDate: (nullable OFDate *)deadline;

/**
 * @brief Stops the run loop. If there is still an operation being executed, it
 *	  is finished before the run loop stops.
 */
- (void)stop;
@end

OF_ASSUME_NONNULL_END

#import "OFSortedList.h"
#import "OFTimer.h"
#import "OFTimer+Private.h"
#import "OFDate.h"

#import "OFObserveFailedException.h"

const of_run_loop_mode_t of_run_loop_mode_default = @"of_run_loop_mode_default";
static OFRunLoop *mainRunLoop = nil;

@interface OFRunLoopState: OFObject
#ifdef OF_HAVE_SOCKETS
    <OFKernelEventObserverDelegate>
#endif
{

+ (void)of_setMainRunLoop: (OFRunLoop *)runLoop
{
	mainRunLoop = [runLoop retain];
}

static OFRunLoopState *
stateForMode(OFRunLoop *self, of_run_loop_mode_t mode, bool create)
{
	OFRunLoopState *state;

#ifdef OF_HAVE_THREADS
	[self->_statesMutex lock];
	@try {
#endif

									\
	objc_autoreleasePoolPop(pool);

+ (void)of_addAsyncReadForStream: (OFStream <OFReadyForReadingObserving> *)
				      stream
			  buffer: (void *)buffer
			  length: (size_t)length
			    mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			   block: (OFStreamAsyncReadBlock)block
# endif
			delegate: (id <OFStreamDelegate>)delegate
{
	NEW_READ(OFRunLoopReadQueueItem, stream, mode)

	QUEUE_ITEM
}

+ (void)of_addAsyncReadForStream: (OFStream <OFReadyForReadingObserving> *)
				      stream
			  buffer: (void *)buffer
		     exactLength: (size_t)exactLength
			    mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			   block: (OFStreamAsyncReadBlock)block
# endif
			delegate: (id <OFStreamDelegate>)delegate
{
	NEW_READ(OFRunLoopExactReadQueueItem, stream, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_buffer = buffer;
	queueItem->_exactLength = exactLength;

	QUEUE_ITEM
}

+ (void)of_addAsyncReadLineForStream: (OFStream <OFReadyForReadingObserving> *)
					  stream
			    encoding: (OFStringEncoding)encoding
				mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			       block: (OFStreamAsyncReadLineBlock)block
# endif
			    delegate: (id <OFStreamDelegate>)delegate
{
	NEW_READ(OFRunLoopReadLineQueueItem, stream, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_encoding = encoding;

	QUEUE_ITEM
}

+ (void)of_addAsyncWriteForStream: (OFStream <OFReadyForWritingObserving> *)
				       stream
			     data: (OFData *)data
			     mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			    block: (OFStreamAsyncWriteDataBlock)block
# endif
			 delegate: (id <OFStreamDelegate>)delegate
{
	NEW_WRITE(OFRunLoopWriteDataQueueItem, stream, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_data = [data copy];

	QUEUE_ITEM
}

+ (void)of_addAsyncWriteForStream: (OFStream <OFReadyForWritingObserving> *)
				       stream
			   string: (OFString *)string
			 encoding: (OFStringEncoding)encoding
			     mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
			    block: (OFStreamAsyncWriteStringBlock)block
# endif
			 delegate: (id <OFStreamDelegate>)delegate
{
	NEW_WRITE(OFRunLoopWriteStringQueueItem, stream, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_string = [string copy];
	queueItem->_encoding = encoding;

	QUEUE_ITEM
}

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
+ (void)of_addAsyncConnectForSocket: (id)sock
			       mode: (of_run_loop_mode_t)mode
			   delegate: (id <OFRunLoopConnectDelegate>)delegate
{
	NEW_WRITE(OFRunLoopConnectQueueItem, sock, mode)

	queueItem->_delegate = [delegate retain];

	QUEUE_ITEM
}
# endif

+ (void)of_addAsyncAcceptForSocket: (id)sock
			      mode: (of_run_loop_mode_t)mode
			     block: (id)block
			  delegate: (id)delegate
{
	NEW_READ(OFRunLoopAcceptQueueItem, sock, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif

	QUEUE_ITEM
}

+ (void)of_addAsyncReceiveForDatagramSocket: (OFDatagramSocket *)sock
    buffer: (void *)buffer
    length: (size_t)length
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (OFDatagramSocketAsyncReceiveBlock)block
# endif
  delegate: (id <OFDatagramSocketDelegate>)delegate
{
	NEW_READ(OFRunLoopDatagramReceiveQueueItem, sock, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_buffer = buffer;
	queueItem->_length = length;

	QUEUE_ITEM
}

+ (void)of_addAsyncSendForDatagramSocket: (OFDatagramSocket *)sock
      data: (OFData *)data
  receiver: (const of_socket_address_t *)receiver
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (OFDatagramSocketAsyncSendDataBlock)block
# endif
  delegate: (id <OFDatagramSocketDelegate>)delegate
{
	NEW_WRITE(OFRunLoopDatagramSendQueueItem, sock, mode)

	QUEUE_ITEM
}

+ (void)of_addAsyncReceiveForSequencedPacketSocket: (OFSequencedPacketSocket *)
							sock
    buffer: (void *)buffer
    length: (size_t)length
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (OFSequencedPacketSocketAsyncReceiveBlock)block
# endif
  delegate: (id <OFSequencedPacketSocketDelegate>)delegate
{
	NEW_READ(OFRunLoopPacketReceiveQueueItem, sock, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_buffer = buffer;
	queueItem->_length = length;

	QUEUE_ITEM
}

+ (void)of_addAsyncSendForSequencedPacketSocket: (OFSequencedPacketSocket *)sock
      data: (OFData *)data
      mode: (of_run_loop_mode_t)mode
# ifdef OF_HAVE_BLOCKS
     block: (OFSequencedPacketSocketAsyncSendDataBlock)block
# endif
  delegate: (id <OFSequencedPacketSocketDelegate>)delegate
{
	NEW_WRITE(OFRunLoopPacketSendQueueItem, sock, mode)

	queueItem->_delegate = [delegate retain];
# ifdef OF_HAVE_BLOCKS
	queueItem->_block = [block copy];
# endif
	queueItem->_data = [data copy];

	QUEUE_ITEM
}
# undef NEW_READ
# undef NEW_WRITE
# undef QUEUE_ITEM

+ (void)of_cancelAsyncRequestsForObject: (id)object
				   mode: (of_run_loop_mode_t)mode
{
	void *pool = objc_autoreleasePoolPush();
	OFRunLoop *runLoop = [self currentRunLoop];
	OFRunLoopState *state = stateForMode(runLoop, mode, false);
	OFList *queue;

	if (state == nil)

	@try {
		OFRunLoopState *state;

		_states = [[OFMutableDictionary alloc] init];

		state = [[OFRunLoopState alloc] init];
		@try {
			[_states setObject: state
				    forKey: of_run_loop_mode_default];
		} @finally {
			[state release];
		}

#ifdef OF_HAVE_THREADS
		_statesMutex = [[OFMutex alloc] init];
#endif

#endif

	[super dealloc];
}

- (void)addTimer: (OFTimer *)timer
{
	[self addTimer: timer forMode: of_run_loop_mode_default];
}

- (void)addTimer: (OFTimer *)timer forMode: (of_run_loop_mode_t)mode
{
	OFRunLoopState *state = stateForMode(self, mode, true);

#ifdef OF_HAVE_THREADS
	[state->_timersQueueMutex lock];
	@try {
#endif

#if defined(OF_HAVE_SOCKETS)
	[state->_kernelEventObserver cancel];
#elif defined(OF_HAVE_THREADS)
	[state->_condition signal];
#endif
}

- (void)of_removeTimer: (OFTimer *)timer forMode: (of_run_loop_mode_t)mode
{
	OFRunLoopState *state = stateForMode(self, mode, false);

	if (state == nil)
		return;

#ifdef OF_HAVE_THREADS

#endif
}

#ifdef OF_AMIGAOS
- (void)addExecSignal: (ULONG)signal target: (id)target selector: (SEL)selector
{
	[self addExecSignal: signal
		    forMode: of_run_loop_mode_default
		     target: target
		   selector: selector];
}

- (void)addExecSignal: (ULONG)signal
	      forMode: (of_run_loop_mode_t)mode
	       target: (id)target
	     selector: (SEL)selector
{
	OFRunLoopState *state = stateForMode(self, mode, true);

# ifdef OF_HAVE_THREADS
	[state->_execSignalsMutex lock];

}

- (void)removeExecSignal: (ULONG)signal
		  target: (id)target
		selector: (SEL)selector
{
	[self removeExecSignal: signal
		       forMode: of_run_loop_mode_default
			target: target
		      selector: selector];
}

- (void)removeExecSignal: (ULONG)signal
		 forMode: (of_run_loop_mode_t)mode
		  target: (id)target
		selector: (SEL)selector
{
	OFRunLoopState *state = stateForMode(self, mode, false);

	if (state == nil)
		return;

- (void)runUntilDate: (OFDate *)deadline
{
	_stop = false;

	while (!_stop &&
	    (deadline == nil || deadline.timeIntervalSinceNow >= 0))
		[self runMode: of_run_loop_mode_default beforeDate: deadline];
}

- (void)runMode: (of_run_loop_mode_t)mode beforeDate: (OFDate *)deadline
{
	void *pool = objc_autoreleasePoolPush();
	of_run_loop_mode_t previousMode = _currentMode;
	OFRunLoopState *state = stateForMode(self, mode, false);

	if (state == nil)
		return;

	_currentMode = mode;
	@try {

	} @finally {
		_currentMode = previousMode;
	}
}

- (void)stop
{
	OFRunLoopState *state =
	    stateForMode(self, of_run_loop_mode_default, false);

	_stop = true;

	if (state == nil)
		return;

#if defined(OF_HAVE_SOCKETS)
	[state->_kernelEventObserver cancel];
#elif defined(OF_HAVE_THREADS)
	[state->_condition signal];
#endif
}
@end

 * @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)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)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

 *	       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)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)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

			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXSocketAsyncConnectBlock)block
#endif
;
- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
@end

@implementation OFSPXSocketAsyncConnectDelegate
- (instancetype)initWithSocket: (OFSPXSocket *)sock
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  port: (uint16_t)port

#ifdef OF_HAVE_BLOCKS
	[_block release];
#endif

	[super dealloc];
}

- (void)startWithRunLoopMode: (of_run_loop_mode_t)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]) {

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

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

	[[[[OFSPXSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network

		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXSocketAsyncConnectBlock)block
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: of_run_loop_mode_default
			   block: block];
}

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

	[[[[OFSPXSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node

 * @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)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously connect the OFSPXStreamSocket to the specified
 *	  destination.
 *
 * @param node The node to connect 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)asyncConnectToNode: (unsigned char [_Nonnull IPX_NODE_LEN])node
		   network: (uint32_t)network
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)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

			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  port: (uint16_t)port
#ifdef OF_HAVE_BLOCKS
			 block: (OFSPXStreamSocketAsyncConnectBlock)block
#endif
;
- (void)startWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;
@end

@implementation OFSPXStreamSocketAsyncConnectDelegate
- (instancetype)initWithSocket: (OFSPXStreamSocket *)sock
			  node: (unsigned char [IPX_NODE_LEN])node
		       network: (uint32_t)network
			  port: (uint16_t)port

#ifdef OF_HAVE_BLOCKS
	[_block release];
#endif

	[super dealloc];
}

- (void)startWithRunLoopMode: (of_run_loop_mode_t)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]) {

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

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

	[[[[OFSPXStreamSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node
		   network: network

		   network: (uint32_t)network
		      port: (uint16_t)port
		     block: (OFSPXStreamSocketAsyncConnectBlock)block
{
	[self asyncConnectToNode: node
			 network: network
			    port: port
		     runLoopMode: of_run_loop_mode_default
			   block: block];
}

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

	[[[[OFSPXStreamSocketAsyncConnectDelegate alloc]
	    initWithSocket: self
		      node: node

 *
 * @param buffer The buffer to write the packet to
 * @param length The length of the buffer
 * @param runLoopMode The run loop mode in which to perform the async receive
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously receives a packet and stores it into the specified
 *	  buffer.
 *
 * If the buffer is too small, the receive operation fails.

 *		block returns true, it will be called again with the same
 *		buffer and maximum length when more packets have been received.
 *		If you want the next method in the queue to handle the packet
 *		received next, you need to return false from the method.
 */
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
			 block: (OFSequencedPacketSocketAsyncReceiveBlock)block;
#endif

/**
 * @brief Sends the specified packet.
 *
 * @param buffer The buffer to send as a packet

/**
 * @brief Asynchronously sends the specified packet.
 *
 * @param data The data to send as a packet
 * @param runLoopMode The run loop mode in which to perform the async send
 */
- (void)asyncSendData: (OFData *)data
	  runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously sends the specified packet.
 *
 * @param data The data to send as a packet
 * @param block The block to call when the packet has been sent. It should

 * @param data The data to send as a packet
 * @param runLoopMode The run loop mode in which to perform the async send
 * @param block The block to call when the packet has been sent. It should
 *		return the data for the next send with the same callback or nil
 *		if it should not repeat.
 */
- (void)asyncSendData: (OFData *)data
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
		block: (OFSequencedPacketSocketAsyncSendDataBlock)block;
#endif

/**
 * @brief Listen on the socket.
 *
 * @param backlog Maximum length for the queue of pending connections.

- (void)asyncAccept;

/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param runLoopMode The run loop mode in which to perform the async accept
 */
- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param block The block to execute when a new connection has been accepted.
 *		Returns whether the next incoming connection should be accepted
 *		by the specified block as well.
 */
- (void)asyncAcceptWithBlock: (OFSequencedPacketSocketAsyncAcceptBlock)block;

/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param runLoopMode The run loop mode in which to perform the async accept
 * @param block The block to execute when a new connection has been accepted.
 *		Returns whether the next incoming connection should be accepted
 *		by the specified block as well.
 */
- (void)
    asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
			 block: (OFSequencedPacketSocketAsyncAcceptBlock)block;
#endif

/**
 * @brief Cancels all pending asynchronous requests on the socket.
 */
- (void)cancelAsyncRequests;

	return ret;
}

- (void)asyncReceiveIntoBuffer: (void *)buffer length: (size_t)length
{
	[self asyncReceiveIntoBuffer: buffer
			      length: length
			 runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncReceiveForSequencedPacketSocket: self
						       buffer: buffer
						       length: length
							 mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
							block: NULL
# endif
						     delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncReceiveIntoBuffer: (void *)buffer
			length: (size_t)length
			 block: (OFSequencedPacketSocketAsyncReceiveBlock)block
{
	[self asyncReceiveIntoBuffer: buffer
			      length: length
			 runLoopMode: of_run_loop_mode_default
			       block: block];
}

- (void)
    asyncReceiveIntoBuffer: (void *)buffer
		    length: (size_t)length
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (OFSequencedPacketSocketAsyncReceiveBlock)block
{
	[OFRunLoop of_addAsyncReceiveForSequencedPacketSocket: self
						       buffer: buffer
						       length: length
							 mode: runLoopMode
							block: block

						   requestedLength: length
						      bytesWritten: bytesWritten
							     errNo: 0];
}

- (void)asyncSendData: (OFData *)data
{
	[self asyncSendData: data runLoopMode: of_run_loop_mode_default];
}

- (void)asyncSendData: (OFData *)data
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncSendForSequencedPacketSocket: self
						      data: data
						      mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
						     block: NULL
# endif
						  delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncSendData: (OFData *)data
		block: (OFSequencedPacketSocketAsyncSendDataBlock)block
{
	[self asyncSendData: data
		runLoopMode: of_run_loop_mode_default
		      block: block];
}

- (void)asyncSendData: (OFData *)data
	  runLoopMode: (of_run_loop_mode_t)runLoopMode
		block: (OFSequencedPacketSocketAsyncSendDataBlock)block
{
	[OFRunLoop of_addAsyncSendForSequencedPacketSocket: self
						      data: data
						      mode: runLoopMode
						     block: block
						  delegate: nil];

	}

	return client;
}

- (void)asyncAccept
{
	[self asyncAcceptWithRunLoopMode: of_run_loop_mode_default];
}

- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncAcceptForSocket: self
					 mode: runLoopMode
					block: NULL
				     delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncAcceptWithBlock: (OFSequencedPacketSocketAsyncAcceptBlock)block
{
	[self asyncAcceptWithRunLoopMode: of_run_loop_mode_default
				   block: block];
}

- (void)
    asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
			 block: (OFSequencedPacketSocketAsyncAcceptBlock)block
{
	[OFRunLoop of_addAsyncAcceptForSocket: self
					 mode: runLoopMode
					block: block
				     delegate: nil];
}

	return &_remoteAddress;
}

- (void)cancelAsyncRequests
{
	[OFRunLoop of_cancelAsyncRequestsForObject: self
					      mode: of_run_loop_mode_default];
}

- (int)fileDescriptorForReading
{
#ifndef OF_WINDOWS
	return _socket;
#else

 *		 The buffer must not be freed before the async read completed!
 * @param length The length of the data that should be read at most.
 *		 The buffer *must* be *at least* this big!
 * @param runLoopMode The run loop mode in which to perform the async read
 */
- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode;

/**
 * @brief Asynchronously reads exactly the specified length bytes from the
 *	  stream into a buffer.
 *
 * Unlike @ref asyncReadIntoBuffer:length:, this method does not call the
 * method when less than the specified length has been read - instead, it waits

 * @param buffer The buffer into which the data is read
 * @param length The length of the data that should be read.
 *		 The buffer *must* be *at least* this big!
 * @param runLoopMode The run loop mode in which to perform the async read
 */
- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode;

# ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously reads *at most* ref size bytes from the stream into a
 *	  buffer.
 *
 * On network streams, this might read less than the specified number of bytes.

 *		If the block returns true, it will be called again with the same
 *		buffer and maximum length when more data has been received. If
 *		you want the next block in the queue to handle the data
 *		received next, you need to return false from the block.
 */
- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
		      block: (OFStreamAsyncReadBlock)block;

/**
 * @brief Asynchronously reads exactly the specified length bytes from the
 *	  stream into a buffer.
 *
 * Unlike @ref asyncReadIntoBuffer:length:block:, this method does not invoke

 *		If the block returns true, it will be called again with the same
 *		buffer and exact length when more data has been received. If
 *		you want the next block in the queue to handle the data
 *		received next, you need to return false from the block.
 */
- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
		      block: (OFStreamAsyncReadBlock)block;
# endif
#endif

/**
 * @brief Reads a uint8_t from the stream.
 *

 * @note The stream must conform to @ref OFReadyForReadingObserving in order
 *	 for this to work!
 *
 * @param encoding The encoding used by the stream
 * @param runLoopMode The run loop mode in which to perform the async read
 */
- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
		      runLoopMode: (of_run_loop_mode_t)runLoopMode;

# ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously reads until a newline, `\0`, end of stream or an
 *	  exception occurs.
 *
 * @note The stream must conform to @ref OFReadyForReadingObserving in order

 * @param block The block to call when the data has been received.
 *		If the block returns true, it will be called again when the next
 *		line has been received. If you want the next block in the queue
 *		to handle the next line, you need to return false from the
 *		block.
 */
- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
		      runLoopMode: (of_run_loop_mode_t)runLoopMode
			    block: (OFStreamAsyncReadLineBlock)block;
# endif
#endif

/**
 * @brief Tries to read a line from the stream (see @ref readLine) and returns
 *	  `nil` if no complete line has been received yet.

 * @note The stream must conform to @ref OFReadyForWritingObserving in order
 *	 for this to work!
 *
 * @param data The data which is written into the stream
 * @param runLoopMode The run loop mode in which to perform the async write
 */
- (void)asyncWriteData: (OFData *)data
	   runLoopMode: (of_run_loop_mode_t)runLoopMode;

/**
 * @brief Asynchronously writes a string in UTF-8 encoding into the stream.
 *
 * @note The stream must conform to @ref OFReadyForWritingObserving in order
 *	 for this to work!
 *

 * @param string The string which is written into the stream
 * @param encoding The encoding in which the string should be written to the
 *		   stream
 * @param runLoopMode The run loop mode in which to perform the async write
 */
- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
	     runLoopMode: (of_run_loop_mode_t)runLoopMode;

# ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously writes data into the stream.
 *
 * @note The stream must conform to @ref OFReadyForWritingObserving in order
 *	 for this to work!

 * @param data The data which is written into the stream
 * @param runLoopMode The run loop mode in which to perform the async write
 * @param block The block to call when the data has been written. It should
 *		return the data for the next write with the same callback or
 *		nil if it should not repeat.
 */
- (void)asyncWriteData: (OFData *)data
	   runLoopMode: (of_run_loop_mode_t)runLoopMode
		 block: (OFStreamAsyncWriteDataBlock)block;

/**
 * @brief Asynchronously writes a string into the stream.
 *
 * @note The stream must conform to @ref OFReadyForWritingObserving in order
 *	 for this to work!

 * @param runLoopMode The run loop mode in which to perform the async write
 * @param block The block to call when the string has been written. It should
 *		return the string for the next write with the same callback or
 *		nil if it should not repeat.
 */
- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
	     runLoopMode: (of_run_loop_mode_t)runLoopMode
		   block: (OFStreamAsyncWriteStringBlock)block;
# endif
#endif

/**
 * @brief Writes a uint8_t into the stream.
 *

}

#ifdef OF_HAVE_SOCKETS
- (void)asyncReadIntoBuffer: (void *)buffer length: (size_t)length
{
	[self asyncReadIntoBuffer: buffer
			   length: length
		      runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadForStream: stream
				     buffer: buffer
				     length: length
				       mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
				      block: NULL
# endif
				   delegate: _delegate];
}

- (void)asyncReadIntoBuffer: (void *)buffer exactLength: (size_t)length
{
	[self asyncReadIntoBuffer: buffer
		      exactLength: length
		      runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadForStream: stream
				     buffer: buffer
				exactLength: length

# ifdef OF_HAVE_BLOCKS
- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		      block: (OFStreamAsyncReadBlock)block
{
	[self asyncReadIntoBuffer: buffer
			   length: length
		      runLoopMode: of_run_loop_mode_default
			    block: block];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		     length: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
		      block: (OFStreamAsyncReadBlock)block
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadForStream: stream
				     buffer: buffer
				     length: length
				       mode: runLoopMode
				      block: block
				   delegate: nil];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		      block: (OFStreamAsyncReadBlock)block
{
	[self asyncReadIntoBuffer: buffer
		      exactLength: length
		      runLoopMode: of_run_loop_mode_default
			    block: block];
}

- (void)asyncReadIntoBuffer: (void *)buffer
		exactLength: (size_t)length
		runLoopMode: (of_run_loop_mode_t)runLoopMode
		      block: (OFStreamAsyncReadBlock)block
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadForStream: stream
				     buffer: buffer

	return line;
}

#ifdef OF_HAVE_SOCKETS
- (void)asyncReadLine
{
	[self asyncReadLineWithEncoding: OFStringEncodingUTF8
			    runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
{
	[self asyncReadLineWithEncoding: encoding
			    runLoopMode: of_run_loop_mode_default];
}

- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
		      runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadLineForStream: stream
				       encoding: encoding
					   mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
					  block: NULL
# endif
				       delegate: _delegate];
}

# ifdef OF_HAVE_BLOCKS
- (void)asyncReadLineWithBlock: (OFStreamAsyncReadLineBlock)block
{
	[self asyncReadLineWithEncoding: OFStringEncodingUTF8
			    runLoopMode: of_run_loop_mode_default
				  block: block];
}

- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
			    block: (OFStreamAsyncReadLineBlock)block
{
	[self asyncReadLineWithEncoding: encoding
			    runLoopMode: of_run_loop_mode_default
				  block: block];
}

- (void)asyncReadLineWithEncoding: (OFStringEncoding)encoding
		      runLoopMode: (of_run_loop_mode_t)runLoopMode
			    block: (OFStreamAsyncReadLineBlock)block
{
	OFStream <OFReadyForReadingObserving> *stream =
	    (OFStream <OFReadyForReadingObserving> *)self;

	[OFRunLoop of_addAsyncReadLineForStream: stream
				       encoding: encoding

		return length;
	}
}

#ifdef OF_HAVE_SOCKETS
- (void)asyncWriteData: (OFData *)data
{
	[self asyncWriteData: data runLoopMode: of_run_loop_mode_default];
}

- (void)asyncWriteData: (OFData *)data
	   runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFStream <OFReadyForWritingObserving> *stream =
	    (OFStream <OFReadyForWritingObserving> *)self;

	[OFRunLoop of_addAsyncWriteForStream: stream
					data: data
					mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
				       block: NULL
# endif
				    delegate: _delegate];
}

- (void)asyncWriteString: (OFString *)string
{
	[self asyncWriteString: string
		      encoding: OFStringEncodingUTF8
		   runLoopMode: of_run_loop_mode_default];
}

- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
{
	[self asyncWriteString: string
		      encoding: encoding
		   runLoopMode: of_run_loop_mode_default];
}

- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
	     runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	OFStream <OFReadyForWritingObserving> *stream =
	    (OFStream <OFReadyForWritingObserving> *)self;

	[OFRunLoop of_addAsyncWriteForStream: stream
				      string: string
				    encoding: encoding
					mode: runLoopMode
# ifdef OF_HAVE_BLOCKS
				       block: NULL
# endif
				    delegate: _delegate];
}

# ifdef OF_HAVE_BLOCKS
- (void)asyncWriteData: (OFData *)data block: (OFStreamAsyncWriteDataBlock)block
{
	[self asyncWriteData: data
		 runLoopMode: of_run_loop_mode_default
		       block: block];
}

- (void)asyncWriteData: (OFData *)data
	   runLoopMode: (of_run_loop_mode_t)runLoopMode
		 block: (OFStreamAsyncWriteDataBlock)block
{
	OFStream <OFReadyForWritingObserving> *stream =
	    (OFStream <OFReadyForWritingObserving> *)self;

	[OFRunLoop of_addAsyncWriteForStream: stream
					data: data
					mode: runLoopMode
				       block: block
				    delegate: nil];
}

- (void)asyncWriteString: (OFString *)string
		   block: (OFStreamAsyncWriteStringBlock)block
{
	[self asyncWriteString: string
		      encoding: OFStringEncodingUTF8
		   runLoopMode: of_run_loop_mode_default
			 block: block];
}

- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
		   block: (OFStreamAsyncWriteStringBlock)block
{
	[self asyncWriteString: string
		      encoding: encoding
		   runLoopMode: of_run_loop_mode_default
			 block: block];
}

- (void)asyncWriteString: (OFString *)string
		encoding: (OFStringEncoding)encoding
	     runLoopMode: (of_run_loop_mode_t)runLoopMode
		   block: (OFStreamAsyncWriteStringBlock)block
{
	OFStream <OFReadyForWritingObserving> *stream =
	    (OFStream <OFReadyForWritingObserving> *)self;

	[OFRunLoop of_addAsyncWriteForStream: stream
				      string: string

	OF_UNRECOGNIZED_SELECTOR
}

#ifdef OF_HAVE_SOCKETS
- (void)cancelAsyncRequests
{
	[OFRunLoop of_cancelAsyncRequestsForObject: self
					      mode: of_run_loop_mode_default];
}
#endif

- (void)unreadFromBuffer: (const void *)buffer length: (size_t)length
{
	char *readBuffer;

- (void)asyncAccept;

/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param runLoopMode The run loop mode in which to perform the async accept
 */
- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param block The block to execute when a new connection has been accepted.
 *		Returns whether the next incoming connection should be accepted
 *		by the specified block as well.
 */
- (void)asyncAcceptWithBlock: (OFStreamSocketAsyncAcceptBlock)block;

/**
 * @brief Asynchronously accept an incoming connection.
 *
 * @param runLoopMode The run loop mode in which to perform the async accept
 * @param block The block to execute when a new connection has been accepted.
 *		Returns whether the next incoming connection should be accepted
 *		by the specified block as well.
 */
- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
			     block: (OFStreamSocketAsyncAcceptBlock)block;
#endif
@end

OF_ASSUME_NONNULL_END

	}

	return client;
}

- (void)asyncAccept
{
	[self asyncAcceptWithRunLoopMode: of_run_loop_mode_default];
}

- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
{
	[OFRunLoop of_addAsyncAcceptForSocket: self
					 mode: runLoopMode
					block: NULL
				     delegate: _delegate];
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncAcceptWithBlock: (OFStreamSocketAsyncAcceptBlock)block
{
	[self asyncAcceptWithRunLoopMode: of_run_loop_mode_default
				   block: block];
}

- (void)asyncAcceptWithRunLoopMode: (of_run_loop_mode_t)runLoopMode
			     block: (OFStreamSocketAsyncAcceptBlock)block
{
	[OFRunLoop of_addAsyncAcceptForSocket: self
					 mode: runLoopMode
					block: block
				     delegate: nil];
}

 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously connect the OFTCPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to

 * @param host The host to connect to
 * @param port The port on the host 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)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (OFTCPSocketAsyncConnectBlock)block;
#endif

/**
 * @brief Bind the socket to the specified host and port.
 *
 * @param host The host to bind to. Use `@"0.0.0.0"` for IPv4 or `@"::"` for

#import "OFNotImplementedException.h"
#import "OFNotOpenException.h"
#import "OFSetOptionFailedException.h"

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

static const of_run_loop_mode_t connectRunLoopMode =
    @"of_tcp_socket_connect_mode";

Class of_tls_socket_class = Nil;

static OFString *defaultSOCKS5Host = nil;
static uint16_t defaultSOCKS5Port = 1080;

@interface OFTCPSocket () <OFIPSocketAsyncConnecting>

	objc_autoreleasePoolPop(pool);
}

- (void)asyncConnectToHost: (OFString *)host port: (uint16_t)port
{
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: of_run_loop_mode_default];
}

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate;

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

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
		     block: (OFTCPSocketAsyncConnectBlock)block
{
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: of_run_loop_mode_default
			   block: block];
}

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (OFTCPSocketAsyncConnectBlock)block
{
	void *pool = objc_autoreleasePoolPush();
	id <OFTCPSocketDelegate> delegate = nil;

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

}

-      (bool)stream: (OFStream *)sock
  didReadIntoBuffer: (void *)buffer
	     length: (size_t)length
	  exception: (id)exception
{
	of_run_loop_mode_t runLoopMode;
	unsigned char *SOCKSVersion;
	uint8_t hostLength;
	unsigned char port[2];
	unsigned char *response, *addressLength;

	if (exception != nil) {
		_exception = [exception retain];

}

- (OFData *)stream: (OFStream *)sock
      didWriteData: (OFData *)data
      bytesWritten: (size_t)bytesWritten
	 exception: (id)exception
{
	of_run_loop_mode_t runLoopMode;

	if (exception != nil) {
		_exception = [exception retain];
		[self didConnect];
		return nil;
	}

#import "OFTimer.h"

OF_ASSUME_NONNULL_BEGIN

OF_DIRECT_MEMBERS
@interface OFTimer ()
- (void)of_setInRunLoop: (nullable OFRunLoop *)runLoop
		   mode: (nullable of_run_loop_mode_t)mode;
@end

OF_ASSUME_NONNULL_END

#endif
	bool _valid;
#ifdef OF_HAVE_THREADS
	OFCondition *_condition;
	bool _done;
#endif
	OFRunLoop *_Nullable _inRunLoop;
	of_run_loop_mode_t _Nullable _inRunLoopMode;
}

/**
 * @brief The time interval in which the timer will repeat, if it is a
 *	  repeating timer.
 */
@property (readonly, nonatomic) OFTimeInterval timeInterval;

{
	if (![timer isKindOfClass: [OFTimer class]])
		@throw [OFInvalidArgumentException exception];

	return [_fireDate compare: timer->_fireDate];
}

- (void)of_setInRunLoop: (OFRunLoop *)runLoop mode: (of_run_loop_mode_t)mode
{
	OFRunLoop *oldInRunLoop = _inRunLoop;
	of_run_loop_mode_t oldInRunLoopMode = _inRunLoopMode;

	_inRunLoop = [runLoop retain];
	[oldInRunLoop release];

	_inRunLoopMode = [mode copy];
	[oldInRunLoopMode release];
}