udp_handler.h File Reference

#include <string.h>
#include <sys/param.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "esp_netif.h"
#include "protocol_examples_common.h"
#include "lwip/err.h"
#include "lwip/sockets.h"
#include "lwip/sys.h"
#include <lwip/netdb.h>

Include dependency graph for udp_handler.h:

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Go to the source code of this file.

Classes
struct	network_data

Macros
#define	HOST_IP_ADDR   CONFIG_SERVER_IP_ADDRESS
#define	PORT   CONFIG_SERVER_PORT

Functions
void	network_manager (struct network_data *nm)
	Manages UDP connection to the server. More...
int	send_data (struct network_data *nm, char *payload)
	Sends data to the server through a UDP socket. More...
char *	receive_data (struct network_data *nm)
	Receives data from UDP server. More...
void	close_network_manager (struct network_data *nm)
	Shutdown active connection, deallocate memory. More...

Macro Definition Documentation

HOST_IP_ADDR

#define HOST_IP_ADDR   CONFIG_SERVER_IP_ADDRESS

PORT

#define PORT   CONFIG_SERVER_PORT

Function Documentation

close_network_manager()

void close_network_manager

(

struct network_data *

nm

)

Shutdown active connection, deallocate memory.

Parameters

nm	tcp_network_data struct which contains connection info

Returns

void

network_manager()

void network_manager

(

struct network_data *

nm

)

Manages UDP connection to the server.

Parameters

nm	network_data struct which contains necessary data for a UDP connection

Returns

void

receive_data()

char* receive_data

(

struct network_data *

nm

)

Receives data from UDP server.

Parameters

nm	network_data struct which contains connection info

Returns

char array which contains data received

send_data()

int send_data	(	struct network_data *	nm,
		char *	payload
	)

Sends data to the server through a UDP socket.

Parameters

nm	A pointer to network_data struct
payload	char array which contains data to be sent

Returns

int - returns -1 if sending failed, number of bytes sent if successfully sent the data