echo.c File Reference

The functions in this file maintains the TCP echo server. More...

#include <sys/svcs.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <notifychange.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <netinet/inet.h>
#include <iwconfig.h>
#include <raven.h>
#include "ieee802154.h"
#include "uart.h"
#include "server.h"
#include "echo.h"

Include dependency graph for echo.c:


Defines
#define	ECHO_PORT 7
	Standard TCP Echo Service Port.
#define	BUFSIZE 512
	User defined TCP transmission queue buffer size.
#define	EchoMSG "ECHO"
	default message to print to the LCD
Functions
void	tcpEcho_handler (event_t event, void cbargs, void context)
void	err_handler (event_t event, void cbargs, void context)
	Notification that send may be possible again.
void	TCPecho_init ()
	initializes the TCP socket
Variables
static int16_t	g_sockfd
	Socket ID.
static sockaddr_in6_t	g_localaddr
	Local Socket Address.
static tcp_event_t	g_app_tcp_event
	TCP event descriptor.
static uint8_t	g_tcpbuf [BUFSIZE]

Detailed Description

The functions in this file maintains the TCP echo server.

#define BUFSIZE 512

User defined TCP transmission queue buffer size.

#define ECHO_PORT 7

Standard TCP Echo Service Port.

#define EchoMSG "ECHO"

default message to print to the LCD

Notification that send may be possible again.

err_handler

Parameters:

	event	equals to NOTIFYWRITE as this is a notifywrite() callback
	cbargs	passes resource back from notifywrite() call
	context	passes context back from notifywrite() call

Here is the call graph for this function:

tcpEcho_handler

Implements the TCP state machine to for TCP connection

Parameters:

	event	equals to TCPBIND as this is a tcpbind() callback
	cbargs	passes tcp_event back from tcpbind() call
	context	passes context back from tcpbind() call