/********************************************************/
/*  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 _nt_afd_server_accept_info {
	uint32_t	sequence;
	uint32_t	unknown;
	uint32_t	service_flags;
	char		sa_data[14];
} nt_afd_server_accept_info;

typedef struct __addr_memcpy {
	uint16_t	d0;
	uint16_t	d1;
	uint16_t	d2;
	uint16_t	d3;
	uint16_t	d4;
	uint16_t	d5;
	uint16_t	d6;
	uint16_t	d7;
} _addr_memcpy;

int32_t __cdecl __ntapi_sc_server_accept_connection_v1(
	__in	nt_socket *		hssocket,
	__out	nt_afd_accept_info *	accept_info,
	__out	nt_iosb volatile *	iosb	__optional)
{
	nt_iosb volatile		siosb;
	nt_afd_server_accept_info	accept_info_buffer;

	_addr_memcpy *			asrc;
	_addr_memcpy *			adst;

	iosb = iosb ? iosb : &siosb;

	hssocket->iostatus = __ntapi->zw_device_io_control_file(
			hssocket->hsocket,
			hssocket->hevent,
			0,
			0,
			iosb,
			NT_AFD_IOCTL_ACCEPT,
			0,
			0,
			&accept_info_buffer,
			sizeof(accept_info_buffer));

	if (hssocket->iostatus && (hssocket->ntflags & __NT_FILE_SYNC_IO))
		__ntapi->sc_wait(hssocket,iosb,&hssocket->timeout);

	if (hssocket->iostatus)
		return hssocket->iostatus;

	accept_info->sequence = accept_info_buffer.sequence;
	accept_info->addr.sa_addr_in4.sa_family = hssocket->domain;

	asrc = (_addr_memcpy *)&(accept_info_buffer.sa_data);
	adst = (_addr_memcpy *)&(accept_info->addr);

	adst->d1 = asrc->d0;
	adst->d2 = asrc->d1;
	adst->d3 = asrc->d2;
	adst->d4 = asrc->d3;
	adst->d5 = asrc->d4;
	adst->d6 = asrc->d5;
	adst->d7 = asrc->d6;

	return hssocket->iostatus;
}