ObjFW  Changes On Branch 7c8346a05612646a

		AC_DEFINE(OF_HAVE_NETINET_IN_H, 1,
			[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_HEADER(netinet/sctp.h, [
		AC_DEFINE(OF_HAVE_SCTP, 1, [Whether we have SCTP])
		AC_DEFINE(OF_HAVE_NETINET_SCTP_H, 1,
			[Whether we have netinet/sctp.h])
		AC_SUBST(USE_SRCS_SCTP, '${SRCS_SCTP}')
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h sys/sockio.h])
	AC_CHECK_HEADERS([net/if.h], [], [], [
		#ifdef OF_HAVE_SYS_SOCKET_H
		# include <sys/socket.h>
		#endif
	])
	AC_CHECK_HEADERS([net/if_arp.h net/if_dl.h net/if_types.h])

OF_EPOLL_KERNEL_EVENT_OBSERVER_M = @OF_EPOLL_KERNEL_EVENT_OBSERVER_M@
OF_GNUTLS_TLS_STREAM_M = @OF_GNUTLS_TLS_STREAM_M@
OF_HTTP_CLIENT_TESTS_M = @OF_HTTP_CLIENT_TESTS_M@
OF_KQUEUE_KERNEL_EVENT_OBSERVER_M = @OF_KQUEUE_KERNEL_EVENT_OBSERVER_M@
OF_MBEDTLS_TLS_STREAM_M = @OF_MBEDTLS_TLS_STREAM_M@
OF_OPENSSL_TLS_STREAM_M = @OF_OPENSSL_TLS_STREAM_M@
OF_POLL_KERNEL_EVENT_OBSERVER_M = @OF_POLL_KERNEL_EVENT_OBSERVER_M@
OF_SCTP_SOCKET_M = @OF_SCTP_SOCKET_M@
OF_SECURE_TRANSPORT_TLS_STREAM_M = @OF_SECURE_TRANSPORT_TLS_STREAM_M@
OF_SELECT_KERNEL_EVENT_OBSERVER_M = @OF_SELECT_KERNEL_EVENT_OBSERVER_M@
REEXPORT_RUNTIME = @REEXPORT_RUNTIME@
REEXPORT_RUNTIME_FRAMEWORK = @REEXPORT_RUNTIME_FRAMEWORK@
RUNTIME = @RUNTIME@
RUNTIME_ARC_TESTS_M = @RUNTIME_ARC_TESTS_M@
RUNTIME_ASSOCIATION_M = @RUNTIME_ASSOCIATION_M@

TLS_LIBS = @TLS_LIBS@
UNICODE_M = @UNICODE_M@
USE_INCLUDES_ATOMIC = @USE_INCLUDES_ATOMIC@
USE_SRCS_APPLETALK = @USE_SRCS_APPLETALK@
USE_SRCS_FILES = @USE_SRCS_FILES@
USE_SRCS_IPX = @USE_SRCS_IPX@
USE_SRCS_PLUGINS = @USE_SRCS_PLUGINS@
USE_SRCS_SCTP = @USE_SRCS_SCTP@
USE_SRCS_SOCKETS = @USE_SRCS_SOCKETS@
USE_SRCS_SUBPROCESSES = @USE_SRCS_SUBPROCESSES@
USE_SRCS_TAGGED_POINTERS = @USE_SRCS_TAGGED_POINTERS@
USE_SRCS_THREADS = @USE_SRCS_THREADS@
USE_SRCS_UNIX_SOCKETS = @USE_SRCS_UNIX_SOCKETS@
USE_SRCS_WINDOWS = @USE_SRCS_WINDOWS@
WII_U_TESTS_LIBS = @WII_U_TESTS_LIBS@
WRAPPER = @WRAPPER@

	       OFTCPSocket.m			\
	       OFTLSStream.m			\
	       OFTXTDNSResourceRecord.m		\
	       OFUDPSocket.m			\
	       OFURIDNSResourceRecord.m		\
	       ${USE_SRCS_APPLETALK}		\
	       ${USE_SRCS_IPX}			\
	       ${USE_SRCS_SCTP}			\
	       ${USE_SRCS_UNIX_SOCKETS}
SRCS_APPLETALK = OFDDPSocket.m
SRCS_IPX = OFIPXSocket.m	\
	   OFSPXSocket.m	\
	   OFSPXStreamSocket.m
SRCS_SCTP = OFSCTPSocket.m
SRCS_UNIX_SOCKETS = OFUNIXDatagramSocket.m	\
		    OFUNIXStreamSocket.m
SRCS_SUBPROCESSES = OFSubprocess.m
SRCS_THREADS = OFCondition.m		\
	       OFMutex.m		\
	       OFPlainCondition.m	\
	       OFPlainMutex.m		\

#include "config.h"

#include <errno.h>

#import "OFAsyncIPSocketConnector.h"
#import "OFData.h"
#ifdef OF_HAVE_SCTP
# import "OFSCTPSocket.h"
#endif
#import "OFTCPSocket.h"
#import "OFThread.h"
#import "OFTimer.h"

#import "OFConnectIPSocketFailedException.h"
#import "OFInvalidFormatException.h"

	if (_exception == nil)
		[_socket setCanBlock: true];

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL) {
		if ([_socket isKindOfClass: [OFTCPSocket class]])
			((OFTCPSocketAsyncConnectBlock)_block)(_exception);
# ifdef OF_HAVE_SCTP
		else if ([_socket isKindOfClass: [OFSCTPSocket class]])
			((OFSCTPSocketAsyncConnectBlock)_block)(_exception);
# endif
		else
			OFEnsure(0);
	} else {
#endif
		if ([_delegate respondsToSelector:
		    @selector(socket:didConnectToHost:port:exception:)])
			[_delegate    socket: _socket

/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#import "OFSequencedPacketSocket.h"
#import "OFRunLoop.h"

OF_ASSUME_NONNULL_BEGIN

/** @file */

@class OFSCTPSocket;
@class OFString;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief A block which is called when the socket connected.
 *
 * @param exception An exception which occurred while connecting the socket or
 *		    `nil` on success
 */
typedef void (^OFSCTPSocketAsyncConnectBlock)(id _Nullable exception);
#endif

/**
 * @protocol OFSCTPSocketDelegate OFSCTPSocket.h ObjFW/OFSCTPSocket.h
 *
 * A delegate for OFSCTPSocket.
 */
@protocol OFSCTPSocketDelegate <OFSequencedPacketSocketDelegate>
@optional
/**
 * @brief A method which is called when a socket connected.
 *
 * @param socket The socket which connected
 * @param host The host connected to
 * @param port The port on the host connected to
 * @param exception An exception that occurred while connecting, or nil on
 *		    success
 */
-     (void)socket: (OFSCTPSocket *)socket
  didConnectToHost: (OFString *)host
	      port: (uint16_t)port
	 exception: (nullable id)exception;
@end

/**
 * @class OFSCTPSocket OFSCTPSocket.h ObjFW/OFSCTPSocket.h
 *
 * @brief A class which provides methods to create and use SCTP sockets in
 *	  one-to-one mode.
 *
 * To connect to a server, create a socket and connect it.
 * To create a server, create a socket, bind it and listen on it.
 */
@interface OFSCTPSocket: OFSequencedPacketSocket
{
	OF_RESERVE_IVARS(OFSCTPSocket, 4)
}

/**
 * @brief Whether sending packets can be delayed. Setting this to NO sets
 *        SCTP_NODELAY on the socket.
 *
 * @throw OFGetOptionFailedException The option could not be retrieved
 * @throw OFSetOptionFailedException The option could not be set
 */
@property (nonatomic) bool canDelaySendingPackets;

/**
 * @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)
    id <OFSCTPSocketDelegate> delegate;

/**
 * @brief Connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @throw OFConnectIPSocketFailedException Connecting failed
 * @throw OFAlreadyOpenException The socket is already connected or bound
 */
- (void)connectToHost: (OFString *)host port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 */
- (void)asyncConnectToHost: (OFString *)host port: (uint16_t)port;

/**
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @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: (OFRunLoopMode)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
		     block: (OFSCTPSocketAsyncConnectBlock)block;

/**
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @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: (OFRunLoopMode)runLoopMode
		     block: (OFSCTPSocketAsyncConnectBlock)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
 *	       IPv6 to bind to all.
 * @param port The port to bind to. If the port is 0, an unused port will be
 *	       chosen, which can be obtained using the return value.
 * @return The address the socket was bound to
 * @throw OFBindIPSocketFailedException Binding failed
 * @throw OFAlreadyOpenException The socket is already connected or bound
 */
- (OFSocketAddress)bindToHost: (OFString *)host port: (uint16_t)port;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif

#import "OFSCTPSocket.h"
#import "OFAsyncIPSocketConnector.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFSocket.h"
#import "OFSocket+Private.h"
#import "OFString.h"
#import "OFThread.h"

#import "OFAlreadyOpenException.h"
#import "OFBindIPSocketFailedException.h"
#import "OFGetOptionFailedException.h"
#import "OFNotOpenException.h"
#import "OFSetOptionFailedException.h"

static const OFRunLoopMode connectRunLoopMode =
    @"OFSCTPSocketConnectRunLoopMode";

@interface OFSCTPSocket () <OFAsyncIPSocketConnecting>
@end

@interface OFSCTPSocketConnectDelegate: OFObject <OFSCTPSocketDelegate>
{
@public
	bool _done;
	id _exception;
}
@end

@implementation OFSCTPSocketConnectDelegate
- (void)dealloc
{
	[_exception release];

	[super dealloc];
}

-     (void)socket: (OFSCTPSocket *)sock
  didConnectToHost: (OFString *)host
	      port: (uint16_t)port
	 exception: (id)exception
{
	_done = true;
	_exception = [exception retain];
}
@end

@implementation OFSCTPSocket
@dynamic delegate;

- (bool)of_createSocketForAddress: (const OFSocketAddress *)address
			    errNo: (int *)errNo
{
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	if ((_socket = socket(
	    ((struct sockaddr *)&address->sockaddr)->sa_family,
	    SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_SCTP)) ==
	    OFInvalidSocketHandle) {
		*errNo = OFSocketErrNo();
		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 OFSocketAddress *)address
			    errNo: (int *)errNo
{
	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

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

	return true;
}

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

- (void)connectToHost: (OFString *)host port: (uint16_t)port
{
	void *pool = objc_autoreleasePoolPush();
	id <OFSCTPSocketDelegate> delegate = _delegate;
	OFSCTPSocketConnectDelegate *connectDelegate =
	    [[[OFSCTPSocketConnectDelegate alloc] init] autorelease];
	OFRunLoop *runLoop = [OFRunLoop currentRunLoop];

	_delegate = connectDelegate;
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: connectRunLoopMode];

	while (!connectDelegate->_done)
		[runLoop runMode: connectRunLoopMode beforeDate: nil];

	/* Cleanup */
	[runLoop runMode: connectRunLoopMode beforeDate: [OFDate date]];

	_delegate = delegate;

	if (connectDelegate->_exception != nil)
		@throw connectDelegate->_exception;

	objc_autoreleasePoolPop(pool);
}

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

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	[[[[OFAsyncIPSocketConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: _delegate
			   block: NULL
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

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

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (OFRunLoopMode)runLoopMode
		     block: (OFSCTPSocketAsyncConnectBlock)block
{
	void *pool = objc_autoreleasePoolPush();

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	[[[[OFAsyncIPSocketConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: nil
			   block: block] autorelease]
	    startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}
#endif

- (OFSocketAddress)bindToHost: (OFString *)host port: (uint16_t)port
{
	const int one = 1;
	void *pool = objc_autoreleasePoolPush();
	OFData *socketAddresses;
	OFSocketAddress address;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	socketAddresses = [[OFThread DNSResolver]
	    resolveAddressesForHost: host
		      addressFamily: OFSocketAddressFamilyAny];

	address = *(OFSocketAddress *)[socketAddresses itemAtIndex: 0];
	OFSocketAddressSetIPPort(&address, port);

	if ((_socket = socket(
	    ((struct sockaddr *)&address.sockaddr)->sa_family,
	    SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_SCTP)) == OFInvalidSocketHandle)
		@throw [OFBindIPSocketFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: OFSocketErrNo()];

	_canBlock = true;

#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

	setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,
	    (char *)&one, (socklen_t)sizeof(one));

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

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPSocketFailedException exceptionWithHost: host
								   port: port
								 socket: self
								  errNo: errNo];
	}

	memset(&address, 0, sizeof(address));

	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 [OFBindIPSocketFailedException exceptionWithHost: host
								   port: port
								 socket: self
								  errNo: errNo];
	}

	switch (((struct sockaddr *)&address.sockaddr)->sa_family) {
	case AF_INET:
		address.family = OFSocketAddressFamilyIPv4;
		break;
# ifdef OF_HAVE_IPV6
	case AF_INET6:
		address.family = OFSocketAddressFamilyIPv6;
		break;
# endif
	default:
		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPSocketFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: EAFNOSUPPORT];
	}

	objc_autoreleasePoolPop(pool);

	return address;
}

- (void)setCanDelaySendingPackets: (bool)canDelaySendingPackets
{
	int v = !canDelaySendingPackets;

	if (setsockopt(_socket, IPPROTO_SCTP, SCTP_NODELAY,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: OFSocketErrNo()];
}

- (bool)canDelaySendingPackets
{
	int v;
	socklen_t len = sizeof(v);

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

	return !v;
}
@end

# include <sys/socket.h>
#endif
#ifdef OF_HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef OF_HAVE_NETINET_TCP_H
# include <netinet/tcp.h>
#endif
#ifdef OF_HAVE_NETINET_SCTP_H
# include <netinet/sctp.h>
#endif
#ifdef OF_HAVE_SYS_UN_H
# include <sys/un.h>
#endif
#ifdef OF_HAVE_AFUNIX_H
# include <afunix.h>
#endif

# import "OFUDPSocket.h"
# import "OFTLSStream.h"
# import "OFKernelEventObserver.h"
# import "OFDNSQuery.h"
# import "OFDNSResourceRecord.h"
# import "OFDNSResponse.h"
# import "OFDNSResolver.h"
# ifdef OF_HAVE_SCTP
#  import "OFSCTPSocket.h"
# endif
# ifdef OF_HAVE_UNIX_SOCKETS
#  import "OFUNIXDatagramSocket.h"
#  import "OFUNIXStreamSocket.h"
# endif
# ifdef OF_HAVE_IPX
#  import "OFIPXSocket.h"
#  import "OFSPXSocket.h"

#undef OF_HAVE_IPV6
#undef OF_HAVE_IPX
#undef OF_HAVE_LIMITS_H
#undef OF_HAVE_LINK
#undef OF_HAVE_NETATALK_AT_H
#undef OF_HAVE_NETAT_APPLETALK_H
#undef OF_HAVE_NETINET_IN_H
#undef OF_HAVE_NETINET_SCTP_H
#undef OF_HAVE_NETINET_TCP_H
#undef OF_HAVE_NETIPX_IPX_H
#undef OF_HAVE_OSATOMIC
#undef OF_HAVE_OSATOMIC_64
#undef OF_HAVE_PIPE
#undef OF_HAVE_PLEDGE
#undef OF_HAVE_PLUGINS

	       OFHTTPCookieTests.m		\
	       OFKernelEventObserverTests.m	\
	       OFSocketTests.m			\
	       OFTCPSocketTests.m		\
	       OFUDPSocketTests.m		\
	       ${USE_SRCS_APPLETALK}		\
	       ${USE_SRCS_IPX}			\
	       ${USE_SRCS_SCTP}			\
	       ${USE_SRCS_UNIX_SOCKETS}
SRCS_APPLETALK = OFDDPSocketTests.m
SRCS_IPX = OFIPXSocketTests.m		\
	   OFSPXSocketTests.m		\
	   OFSPXStreamSocketTests.m
SRCS_SCTP = OFSCTPSocketTests.m
SRCS_UNIX_SOCKETS = OFUNIXDatagramSocketTests.m	\
		    OFUNIXStreamSocketTests.m
SRCS_SUBPROCESSES = OFSubprocessTests.m
SRCS_THREADS = OFThreadTests.m
SRCS_WINDOWS = OFWindowsRegistryKeyTests.m

include ../buildsys.mk

/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <errno.h>
#include <string.h>

#import "ObjFW.h"
#import "ObjFWTest.h"

@interface OFSCTPSocketTests: OTTestCase
@end

@implementation OFSCTPSocketTests
- (void)testSCTPSocket
{
	OFSCTPSocket *server, *client, *accepted;
	OFSocketAddress address;
	char buffer[6];

	server = [OFSCTPSocket socket];
	client = [OFSCTPSocket socket];

	@try {
		address = [server bindToHost: @"127.0.0.1" port: 0];
	} @catch (OFBindSocketFailedException *e) {
		switch (e.errNo) {
		case EPROTONOSUPPORT:
			OTSkip(@"SCTP unsupported");
		default:
			@throw e;
		}
	}

	[server listen];

	[client connectToHost: @"127.0.0.1"
			 port: OFSocketAddressIPPort(&address)];

	accepted = [server accept];
	OTAssertEqualObjects(OFSocketAddressString(accepted.remoteAddress),
	    @"127.0.0.1");

	[client sendBuffer: "Hello!" length: 6];

	[accepted receiveIntoBuffer: buffer length: 6];
	OTAssertEqual(memcmp(buffer, "Hello!", 6), 0);
}
@end