udp.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include "udp.h"
#include "config.h"
#include "def.h"

Go to the source code of this file.

Functions
int	udp_init_broadcast (udp_t *udp)
int	udp_init_receive (udp_t *udp)
udp_t *	udp_open (char *broadcast_ip, int port, int packet_size)
int	udp_close (udp_t *udp)
int	udp_broadcast (udp_t *udp, char *packet, int len)
int	udp_receive (udp_t *udp, char *packet, int *len)

Detailed Description

Author

Eriks Zaharans

Date

4 Jul 2013

DESCRIPTION

UDP socket function library.

Definition in file udp.c.

Function Documentation

int udp_broadcast	(	udp_t *	udp,
		char *	packet,
		int	len
	)

Broadcast packet through UDP

Parameters

udp	Pointer to UDP structure
packet	Pointer to data packet to be broadcasted
len	Number of bytes to be broadcasted

Returns

s_OK if successful, s_ERROR if failed

Definition at line 159 of file udp.c.

int udp_close

(

udp_t *

udp

)

Deinitialize UDP

Parameters

udp	Pointer to UDP structure

Returns

s_OK if successful, s_ERROR if failed

Definition at line 130 of file udp.c.

int udp_init_broadcast

(

udp_t *

udp

)

Initialize UDP broadcasting

Parameters

udp	Pointer to UDP structure

Returns

s_OK if successful, s_ERROR if failed

Definition at line 36 of file udp.c.

int udp_init_receive

(

udp_t *

udp

)

Initialize UDP recive

Parameters

udp	Pointer to UDP structure

Returns

s_OK if successful, s_ERROR if failed

Definition at line 72 of file udp.c.

udp_t* udp_open	(	char *	broadcast_ip,
		int	port,
		int	packet_size
	)

Open UDP broadcast and recieve sockets

Parameters

broadcast_ip	UDP broadcast IP address
port	UDP port
packet_size	UDP packet size

Returns

Pointer to UDP structure if successful, Null pointer if failed

Definition at line 105 of file udp.c.

int udp_receive	(	udp_t *	udp,
		char *	packet,
		int *	len
	)

Receive packet through UDP

Parameters

udp	Pointer to UDP structure
packet	Pointer to memory where to save received packet
len	Pointer to memory where to save number of received bytes

Returns

s_OK if successful, s_ERROR if failed

Definition at line 178 of file udp.c.