/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#include <psxtypes/psxtypes.h>

#include <ntapi/nt_object.h>

#include <ntapi/nt_file.h>

#include <ntapi/nt_socket.h>

#include <ntapi/ntapi.h>

#include "ntapi_impl.h"

typedef struct __addr_memcpy {

	uint64_t	d0;

	uint64_t	d1;

	uint64_t	d2;

	uint32_t	d3;

} _addr_memcpy;

int32_t __cdecl __ntapi_sc_accept(

	__in	nt_socket *		hssock_listen,

	__out	nt_sockaddr *		addr,

	__out	uint16_t *		addrlen,

	__out	nt_socket *		hssock_dedicated,

	__in	uintptr_t		afdflags	__optional,

	__in	uintptr_t		tdiflags	__optional,

	__out	nt_iosb volatile *	iosb		__optional)

{

	int32_t			status;

	nt_afd_accept_info	accept_info;

	nt_io_status_block	siosb;

	_addr_memcpy *		src;

	_addr_memcpy *		dst;

	(void)afdflags;

	(void)tdiflags;

	iosb = iosb ? iosb : &siosb;

	/* establish kernel connection */

	if ((status = __ntapi->sc_server_accept_connection(

			hssock_listen,

			&accept_info,

			iosb)))

		return status;

	/* create connection-dedicated socket handle */

	if ((status = __ntapi->sc_socket(

			hssock_dedicated,

			hssock_listen->domain,

			hssock_listen->type,

			hssock_listen->protocol,

			0,

			0,

			0)))

		return status;

	/* associate the dedicated handle with the connection */

	if ((status = __ntapi->sc_server_duplicate_socket(

			hssock_listen,

			hssock_dedicated,

			&accept_info,

			0)))

		return status;

	/* return address information */

	if (addr) {

		src = (_addr_memcpy *)&(accept_info.addr);

		dst = (_addr_memcpy *)addr;

		dst->d0 = src->d0;

		dst->d1 = src->d1;

		if ((size_t)iosb->info >= sizeof(accept_info.sequence)

					+ sizeof(nt_sockaddr_in6)) {

			dst->d2 = src->d2;

			dst->d3 = src->d3;

		} else {

			dst->d2 = 0;

			dst->d3 = 0;

		}

	}

	/* return address length information */

	if (addrlen)

		*addrlen = sizeof(nt_sockaddr);

	return status;

}