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

/*  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_send_udp_info {

	nt_afd_send_info	afd_send;

	uint32_t		afd_reserved[8];

	void *			pmeta;

	uint32_t		afd_unknown[4];

	uint32_t		extlen;

	uint32_t		unknown;

	uint32_t		addrlen;

	uint32_t		reserved;

	const nt_sockaddr *	addr;

} nt_afd_send_udp_info;

int32_t __cdecl __ntapi_sc_send(

	__in		nt_socket *		hssocket,

	__in		const void *		buffer,

	__in		size_t			len,

	__out		ssize_t *		bytes_sent	__optional,

	__in		const nt_sockaddr *	addr		__optional,

	__in		size_t			addrlen		__optional,

	__in		uintptr_t		afdflags	__optional,

	__in		uintptr_t		tdiflags	__optional,

	__out		nt_iosb volatile *	iosb		__optional)

{

	nt_afd_buffer		afd_buffer;

	nt_afd_send_udp_info	afd_send;

	nt_iosb volatile	siosb;

	if (addrlen && (addrlen != sizeof(nt_sockaddr_in4))

		    && (addrlen != sizeof(nt_sockaddr_in6)))

		return NT_STATUS_INVALID_PARAMETER_6;

	iosb = iosb ? iosb : &siosb;

	/* conditional connect */

	if (addrlen) {

		__ntapi->tt_aligned_block_memset(

			&afd_send,

			0,sizeof(afd_send));

		afd_send.pmeta    = &afd_send.extlen;

		afd_send.addrlen  = (uint32_t)addrlen;

		afd_send.addr     = addr;

	}

	/* afd_buffer */

	afd_buffer.length = len;

	afd_buffer.buffer = (char *)buffer;

	/* afd_send.afd_send */

	afd_send.afd_send.afd_buffer_array = &afd_buffer;

	afd_send.afd_send.buffer_count     = 1;

	afd_send.afd_send.afd_flags = (uint32_t)afdflags;

	afd_send.afd_send.tdi_flags = (uint32_t)tdiflags;

	if ((hssocket->iostatus = __ntapi->zw_device_io_control_file(

			hssocket->hsocket,

			hssocket->hevent,

			0,

			0,

			iosb,

			addrlen ? NT_AFD_IOCTL_UDP_SEND : NT_AFD_IOCTL_SEND,

			&afd_send,

			addrlen ? sizeof(afd_send) : sizeof(afd_send.afd_send),

			0,

			0)))

		return hssocket->iostatus;

	if (bytes_sent)

		*bytes_sent = iosb->info;

	return NT_STATUS_SUCCESS;

}