tcpecho.c

基于东南大学开发的SEP3203的ARM7中的所有驱动

////////////////////////////////////////////////////////////////////////////////
// tcpecho.c :
//
#include <stdio.h>
#include "netconf.h"
#include "net.h"
#include "netbuf.h"
#include "nettcp.h"
#include "domain.h"

#include "tcpecho.h"


////////////////////////////////////////////////////////////////////////////////
/*
extern int tcpOpen(void);
extern int tcpClose(int ud);
extern int tcpConnect(u_int ud, const struct sockaddr_in *remoteAddr, u_char tos);
extern int tcpListen(u_int ud, int backLog);
extern int tcpBind(u_int ud, struct sockaddr_in *peerAddr);
extern int tcpRead(u_int ud, void *buf, long len);
extern int tcpWrite(u_int ud, const void *buf, long len);
extern long tcpRecvFrom(int ud, void  *buf, long len, struct sockaddr_in *from);
extern long tcpSendTo(int ud, const void  *buf, long len, const struct sockaddr_in *to);
 */

static char dname[] = "32.24.119.202";

static const char str[] = "GET /\n\r";

unsigned int total;



void TcpEchoTask(void)
{
    int bytes;
    int socket;
    struct sockaddr_in sockAddr;
  	char buffer[512];
   // int len;
    int ret;
	u_long server_addr;
	int32 ip_addr;
	
	total = 0;

	//server_addr = inet_addr("202.119.24.18");	//Second DNS server 
	//ip_addr = *((int32 *)&server_addr);
	//add_nameserver(ip_addr);

	//server_addr = inet_addr("202.119.24.12");	//Primary DNS server
	//ip_addr = *((int32 *)&server_addr);
	//add_nameserver(ip_addr);
	
	ip_addr = resolve(dname);
	server_addr = *((u_long *)&ip_addr);		//Http server

//	server_addr = ntohl(inet_addr("211.65.48.150"));

    sockAddr.ipAddr = server_addr;
	sockAddr.sin_port = 80;
    sockAddr.sin_family = AF_INET;


    socket = tcpOpen();
    
	do{
		ret = tcpConnect(socket, &sockAddr, 0);
		} while(ret != 0);

	tcpWrite(socket, str, strlen(str));
	
    do {
        bytes = tcpRead(socket, &buffer, sizeof(buffer));
        
        
        
        if (bytes > 0) {
			total += bytes;            
			
        }
    } while (1);

    tcpClose(socket);
    
}

////////////////////////////////////////////////////////////////////////////////