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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "common.h"
#include "tools.h"
#include "config.h"
#ifndef NETIF_BASEDIR
#define NETIF_BASEDIR "/sys/class/net/"
#endif
void status_netif(GlobalData *g, char *ifname)
{
StatusItem s;
char text[16] = { 0 };
char ifpath[256];
int ifpathlen;
char stline[16];
ssize_t stlen;
double ifsum = 0.0;
int ifsumpower;
statusitem_init(&s);
s.text = text;
/* Prepare path */
ifpathlen = sizeof(NETIF_BASEDIR) - 1 + strlen(ifname);
if (ifpathlen + 1 + sizeof("/statistics/rx_bytes") >= sizeof(ifpath)) {
statusError("status_netif",
"ifpath buffer too small",
ifname);
return;
}
strcpy(ifpath, NETIF_BASEDIR);
strcat(ifpath, ifname);
/* Is the interface up? */
if (access(ifpath, F_OK)) {
//s.color = "#BEBEBE"; // grey
return;
}
strcpy(&ifpath[ifpathlen], "/carrier");
stlen = fileRead(stline, sizeof(stline), ifpath);
if (stlen > 0) {
if (stline[0] == '1') {
s.color = "#FFFF00"; // yellow
} else {
//s.color = "#FF0000"; // red
return;
}
} else {
return;
}
strcpy(&ifpath[ifpathlen], "/statistics/rx_bytes");
stlen = fileRead(stline, sizeof(stline), ifpath);
if (stlen > 0) {
ifsum = atof(stline);
}
strcpy(&ifpath[ifpathlen], "/statistics/tx_bytes");
stlen = fileRead(stline, sizeof(stline), ifpath);
if (stlen > 0) {
ifsum += atof(stline);
}
for(ifsumpower = 0; ifsum >= 1024.0; ifsumpower++) {
ifsum = ifsum / 1024;
}
snprintf(text, sizeof(text), "%s: %.*f %c",
ifname,
ifsumpower ? ifsumpower - 1 : ifsumpower,
ifsum,
powerToChar(ifsumpower));
line_append_item(g, &s);
}
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