udp.c File Reference

#include <net/socket.h>
#include <process.h>
#include <Mm/kmalloc.h>
#include <Net/aunet.h>
#include <string.h>
#include <Net/ipv4.h>
#include <Net/udp.h>
#include <Net/ethernet.h>
#include <Drivers/uart.h>

Include dependency graph for udp.c:

Functions
int	UDPGetPort (AuSocket *sock)
int	AuUDPReceive (AuSocket *sock, msghdr *msg, int flags)
	AuUDPReceive – UDP protocol receive interface.
int	AuUDPSend (AuSocket *sock, msghdr *msg, int flags)
	AuUDPSend – UDP protocol send interface.
void	AuUDPClose (AuSocket *sock)
	AuUDPClose – UDP protocol close call.
int	AuUDPBind (AuSocket *sock, sockaddr *addr, socklen_t addrlen)
	AuUDPBind – bind a local address to the current socket, it also verifies if there is already a socket with this local address, if not found, then assign this socket with the given local address and assign it to NIC for listening to incoming communication.
uint64_t	AuUDPRead (AuVFSNode *node, AuVFSNode *file, uint64_t *buffer, uint32_t len)
uint64_t	AuUDPWrite (AuVFSNode *node, AuVFSNode *file, uint64_t *buffer, uint32_t len)
int	AuUDPFileClose (AuVFSNode *fsys, AuVFSNode *file)
int	CreateUDPSocket ()
void	UDPProtocolInstall ()
	UDPProtocolInstall – initialize the UDP socket.
list_t *	UDPProtocolGetSockList ()
	UDPProtocolGetSockList – returns the socket list.

Variables
list_t *	udp_socket_list

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2024, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

AuUDPBind()

int AuUDPBind	(	AuSocket *	sock,
		sockaddr *	addr,
		socklen_t	addrlen
	)

AuUDPBind – bind a local address to the current socket, it also verifies if there is already a socket with this local address, if not found, then assign this socket with the given local address and assign it to NIC for listening to incoming communication.

AuUDPClose()

void AuUDPClose

(

AuSocket *

sock

)

AuUDPClose – UDP protocol close call.

Parameters

sock	– Pointer to socket

AuUDPFileClose()

int AuUDPFileClose	(	AuVFSNode *	fsys,
		AuVFSNode *	file
	)

AuUDPRead()

uint64_t AuUDPRead	(	AuVFSNode *	node,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	len
	)

AuUDPReceive()

int AuUDPReceive	(	AuSocket *	sock,
		msghdr *	msg,
		int	flags
	)

AuUDPReceive – UDP protocol receive interface.

Parameters

sock	– Pointer to socket
msghdr	– Message header containing every information
flags	– extra flags

AuUDPSend()

int AuUDPSend	(	AuSocket *	sock,
		msghdr *	msg,
		int	flags
	)

AuUDPSend – UDP protocol send interface.

Parameters

sock	– Pointer to socket
msghdr	– Message header containing every information
flags	– extra flags

AuUDPWrite()

uint64_t AuUDPWrite	(	AuVFSNode *	node,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	len
	)

CreateUDPSocket()

int CreateUDPSocket

(

)

UDPGetPort()

int UDPGetPort

(

AuSocket *

sock

)

UDPProtocolGetSockList()

list_t * UDPProtocolGetSockList

(

)

UDPProtocolGetSockList – returns the socket list.

UDPProtocolInstall()

void UDPProtocolInstall

(

)

UDPProtocolInstall – initialize the UDP socket.

Variable Documentation

udp_socket_list

list_t* udp_socket_list