Blame src/socket/ntapi_sc_send.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_object.h>
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#include <ntapi/nt_file.h>
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#include <ntapi/nt_socket.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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typedef struct _nt_afd_send_udp_info {
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	nt_afd_send_info	afd_send;
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	uint32_t		afd_reserved[8];
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	void *			pmeta;
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	uint32_t		afd_unknown[4];
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	uint32_t		extlen;
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	uint32_t		unknown;
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	uint32_t		addrlen;
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	uint32_t		reserved;
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	const nt_sockaddr *	addr;
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} nt_afd_send_udp_info;
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int32_t __cdecl __ntapi_sc_send(
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	__in		nt_socket *		hssocket,
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	__in		const void *		buffer,
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	__in		size_t			len,
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	__out		ssize_t *		bytes_sent	__optional,
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	__in		const nt_sockaddr *	addr		__optional,
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	__in		size_t			addrlen		__optional,
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	__in		uintptr_t		afdflags	__optional,
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	__in		uintptr_t		tdiflags	__optional,
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	__out		nt_iosb volatile *	iosb		__optional)
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{
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	nt_afd_buffer		afd_buffer;
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	nt_afd_send_udp_info	afd_send;
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	nt_iosb volatile	siosb;
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	if (addrlen && (addrlen != sizeof(nt_sockaddr_in4))
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		    && (addrlen != sizeof(nt_sockaddr_in6)))
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		return NT_STATUS_INVALID_PARAMETER_6;
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	iosb = iosb ? iosb : &siosb;
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	/* conditional connect */
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	if (addrlen) {
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		__ntapi->tt_aligned_block_memset(
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			&afd_send,
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			0,sizeof(afd_send));
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		afd_send.pmeta    = &afd_send.extlen;
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		afd_send.addrlen  = (uint32_t)addrlen;
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		afd_send.addr     = addr;
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	}
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	/* afd_buffer */
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	afd_buffer.length = len;
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	afd_buffer.buffer = (char *)buffer;
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	/* afd_send.afd_send */
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	afd_send.afd_send.afd_buffer_array = &afd_buffer;
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	afd_send.afd_send.buffer_count     = 1;
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	afd_send.afd_send.afd_flags = (uint32_t)afdflags;
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	afd_send.afd_send.tdi_flags = (uint32_t)tdiflags;
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	if ((hssocket->iostatus = __ntapi->zw_device_io_control_file(
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			hssocket->hsocket,
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			hssocket->hevent,
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			0,
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			0,
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			iosb,
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			addrlen ? NT_AFD_IOCTL_UDP_SEND : NT_AFD_IOCTL_SEND,
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			&afd_send,
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			addrlen ? sizeof(afd_send) : sizeof(afd_send.afd_send),
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			0,
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			0)))
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		return hssocket->iostatus;
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	if (bytes_sent)
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		*bytes_sent = iosb->info;
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	return NT_STATUS_SUCCESS;
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}