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#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include "netif_named.h"
#include "tools.h"
#define NETIF_BASEDIR "/sys/class/net/"
void status_netif_named(char *ifname)
{
char stline[16];
int stfile;
size_t stlen;
double ifsum;
int ifsumpower;
char *stfilename = NULL;
stfilename = malloc(sizeof(NETIF_BASEDIR) - 1 + strlen(ifname) + sizeof("/statistics/rx_bytes"));
strcpy(stfilename, NETIF_BASEDIR);
strcat(stfilename, ifname);
if (access(stfilename, F_OK))
{
//printf(" ^fg(grey)[%s] ", ifname);
return;
}
strcat(stfilename, "/carrier");
stfile = open(stfilename, 0);
if (stfile != -1)
{
stlen = read(stfile, stline, sizeof(stline) - 1);
close(stfile);
if (stline[0] == '1')
fputs("^fg(yellow)", stdout);
else
{
//fputs("^fg(red)", stdout);
return;
}
}
strcpy(stfilename, NETIF_BASEDIR);
strcat(stfilename, ifname);
strcat(stfilename, "/statistics/rx_bytes");
stfile = open(stfilename, 0);
if (stfile != -1)
{
stlen = read(stfile, stline, sizeof(stline) - 1);
close(stfile);
stline[stlen] = '\0';
ifsum = atof(stline);
}
strcpy(stfilename, NETIF_BASEDIR);
strcat(stfilename, ifname);
strcat(stfilename, "/statistics/tx_bytes");
stfile = open(stfilename, 0);
if (stfile != -1)
{
stlen = read(stfile, stline, sizeof(stline) - 1);
close(stfile);
stline[stlen] = '\0';
ifsum += atof(stline);
}
for(ifsumpower = 0; ifsum >= 1024.0; ifsumpower++)
ifsum = ifsum / 1024;
printf(" %s: %.*f %c ", ifname, ifsumpower ? ifsumpower - 1 : ifsumpower, ifsum, powertochar(ifsumpower));
}
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