ObjFW  Diff

#import "OFSPXSocket.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"

#import "OFAlreadyConnectedException.h"
#import "OFBindFailedException.h"
#import "OFConnectionFailedException.h"
#import "OFNotOpenException.h"

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

#ifndef NSPROTO_SPX
# define NSPROTO_SPX 0
#endif

#define SPX_PACKET_TYPE 5

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

@interface OFSPXSocketAsyncConnectDelegate: OFObject <OFRunLoopConnectDelegate>
{
	OFSPXSocket *_socket;
	unsigned char _node[IPX_NODE_LEN];
	uint32_t _network;
	uint16_t _port;

#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]) {
		exception = [self of_connectionFailedExceptionForErrNo: errNo];
		goto inform_delegate;
	}

	_socket.blocking = false;


	if (![_socket of_connectSocketToAddress: &address

					  errNo: &errNo]) {

		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket
							  mode: runLoopMode
						      delegate: self];
			return;
		}

		[_socket of_closeSocket];

		exception = [self of_connectionFailedExceptionForErrNo: errNo];
	}

inform_delegate:
	[self performSelector: @selector(of_socketDidConnect:exception:)
		   withObject: _socket
		   withObject: exception
		   afterDelay: 0];
}

- (void)of_socketDidConnect: (id)sock

							errNo: errNo];
}
@end

@implementation OFSPXSocket
@dynamic delegate;

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

			   errNo: (int *)errNo
{


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

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

	if ((_socket = socket(address->sockaddr.ipx.sipx_family,
	    SOCK_SEQPACKET | SOCK_CLOEXEC, NSPROTO_SPX)) == INVALID_SOCKET) {





		*errNo = of_socket_errno();
		return false;
	}

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

	return true;
}

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

	if (connect(_socket, &address->sockaddr.sockaddr,
	    address->length) != 0) {
		*errNo = of_socket_errno();
		return false;
	}

	return true;
}

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

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

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

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

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

	address = of_socket_address_ipx(zeroNode, 0, port);

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

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


		closesocket(_socket);
		_socket = INVALID_SOCKET;


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