END_TEST
START_TEST(getifinfo_not_found)
{
linuxonly;
suppress_output();
ck_assert_int_eq(remove_directory(TESTDIR), 1);
fake_proc_net_dev("w", "ethwrong", 10, 20, 30, 40);
ck_assert_int_eq(getifinfo("ethunusual"), 0);
}
END_TEST
START_TEST(getifinfo_success)
{
linuxonly;
suppress_output();
ck_assert_int_eq(remove_directory(TESTDIR), 1);
fake_proc_net_dev("w", "ethwrong", 10, 20, 30, 40);
fake_proc_net_dev("a", "ethunusual", 1, 2, 3, 4);
ck_assert_int_eq(getifinfo("ethunusual"), 1);
ck_assert_str_eq(ifinfo.name, "ethunusual");
ck_assert_int_eq(ifinfo.filled, 1);
ck_assert_int_eq(ifinfo.rx, 1);
ck_assert_int_eq(ifinfo.tx, 2);
ck_assert_int_eq(ifinfo.rxp, 3);
ck_assert_int_eq(ifinfo.txp, 4);
}
void datalist_getifinfo(DSTATE *s)
{
if (!data.active) {
if (debug)
printf("d: interface is disabled\n");
return;
}
if (!getifinfo(data.interface)) {
/* disable interface since we can't access its data */
data.active = 0;
snprintf(errorstring, 512, "Interface \"%s\" not available, disabling.", data.interface);
printe(PT_Info);
return;
}
if (s->datalist->sync) { /* if --sync was used during startup */
data.currx = ifinfo.rx;
data.curtx = ifinfo.tx;
s->datalist->sync = 0;
} else {
parseifinfo(0);
}
}
int addinterfaces(const char *dirname)
{
char *ifacelist, interface[32];
int index = 0, count = 0, bwlimit = 0;
/* get list of currently visible interfaces */
if (getiflist(&ifacelist)==0) {
free(ifacelist);
return 0;
}
if (strlen(ifacelist)<2) {
free(ifacelist);
return 0;
}
if (debug)
printf("Interface list: \"%s\"\n", ifacelist);
while (sscanf(ifacelist+index, "%31s", interface)!=EOF) {
if (debug)
printf("Processing: \"%s\"\n", interface);
index += strlen(interface)+1;
/* skip local interfaces */
if ((strcmp(interface,"lo")==0) || (strcmp(interface,"lo0")==0) || (strcmp(interface,"sit0")==0)) {
if (debug)
printf("skip\n");
continue;
}
/* create database for interface */
initdb();
strncpy_nt(data.interface, interface, 32);
strncpy_nt(data.nick, data.interface, 32);
if (!getifinfo(interface)) {
if (debug)
printf("getifinfo failed, skip\n");
continue;
}
parseifinfo(1);
if (!writedb(interface, dirname, 1)) {
continue;
}
count++;
bwlimit = ibwget(interface);
if (bwlimit > 0) {
printf("\"%s\" added with %d Mbit bandwidth limit.\n", interface, bwlimit);
} else {
printf("\"%s\" added. Warning: no bandwidth limit has been set.\n", interface);
}
}
if (count==1) {
printf("-> %d interface added.", count);
} else {
printf("-> %d interfaces added.", count);
}
if (count) {
printf("\nLimits can be modified using the configuration file. See \"man vnstat.conf\".\n");
printf("Unwanted interfaces can be removed from monitoring with \"vnstat --delete\".");
}
printf("\n");
free(ifacelist);
return count;
}
int main(int argc, char *argv[])
{
XEvent event;
char buf[16];
int d=0;
int pifno=-1;
int lastbytes=0;
struct timeval tv;
fd_set fds;
int x;
int prev_exec_busy=0;
exec_up = exec_dflt;
exec_down = exec_dflt;
parse_cmdline(argc, argv);
initXwindow(argc, argv);
if(mode == MODE_LED) {
openXwindow(argc, argv, wmifinfo_led_xpm, wmifinfo_led_bits,
wmifinfo_led_width, wmifinfo_led_height, BackColor,
LabelColor, WindGustColor, DataColor, StationTimeColor);
} else {
openXwindow(argc, argv, wmifinfo_lcd_xpm, wmifinfo_lcd_bits,
wmifinfo_lcd_width, wmifinfo_lcd_height, BackColor,
LabelColor, WindGustColor, DataColor, StationTimeColor);
}
// Initialize global variables
fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
ifc.ifc_len = sizeof(struct ifreq) * 10;
ifc.ifc_buf = malloc(ifc.ifc_len);
while(1) {
while (XPending(display)) {
XNextEvent(display, &event);
switch (event.type) {
case Expose:
RedrawWindow();
break;
case ButtonPress:
ButtonPressEvent(&event.xbutton);
break;
case ButtonRelease:
break;
}
}
if ((d++ == 3) || (ifno != pifno) || (exec_busy != prev_exec_busy)) {
d=0;
copyXPMArea(64, 0, 64, 64, 0, 0);
getifnames();
if(ifaces>0) {
ifno = ifno % ifaces;
getifinfo(ifname[ifno], &ifinfo);
if(ifno != pifno) lastbytes = ifinfo.bytes;
sprintf(buf, "%-7s", ifinfo.id);
strupper(buf);
drawtext(buf, &font2, 6, 4);
if(memcmp(ifinfo.hw, "\x00\x00\x00\x00\x00\x00", 6) != 0) {
drawhwaddr(ifinfo.hw);
}
if(ifinfo.ip) drawipaddr(ifinfo.ip, 0);
if(ifinfo.nm) drawipaddr(ifinfo.nm, 1);
if(ifinfo.gw) drawipaddr(ifinfo.gw, 2);
// WLAN signal level
#ifdef linux
x = ifinfo.sl/4;
#elif defined(__OpenBSD__)
x = ifinfo.sl/7;
#endif
if(x>13) x=13;
copyXPMArea(4, 82, x*4, 4, 6, 53);
// LED
x=0;
if(exec_busy) {
x=0;
} else {
if(ifinfo.state) x += 8;
if(lastbytes == ifinfo.bytes) x+= 16;
}
copyXPMArea(64 + x, 81, 8, 8, 50, 4);
lastbytes = ifinfo.bytes;
}
RedrawWindow();
prev_exec_busy = exec_busy;
pifno = ifno;
}
#ifdef linux
tv.tv_sec = 0;
tv.tv_usec = DELAY;
FD_ZERO(&fds);
FD_SET(ConnectionNumber(display), &fds);
select(ConnectionNumber(display)+1, &fds, NULL, NULL, &tv);
#elif defined(__OpenBSD__)
usleep(DELAY);
#endif
}
}
void livetrafficmeter(char iface[32], int mode)
{
/* received bytes packets errs drop fifo frame compressed multicast */
/* transmitted bytes packets errs drop fifo colls carrier compressed */
uint64_t rx, tx, rxp, txp, timespent, timeslept;
uint64_t rxtotal, txtotal, rxptotal, txptotal;
uint64_t rxpmin, txpmin, rxpmax, txpmax;
uint64_t rxmin, txmin, rxmax, txmax;
uint64_t index = 1;
int ratewidth, ppswidth, paddingwidth, json = 0;
char buffer[256], buffer2[256];
IFINFO previnfo;
if (cfg.qmode == 10) {
json = 1;
}
if (!json) {
printf("Monitoring %s... (press CTRL-C to stop)\n\n", iface);
if (cfg.ostyle != 4) {
printf(" getting traffic...");
fflush(stdout);
}
}
/* enable signal trap */
intsignal = 0;
if (signal(SIGINT, sighandler) == SIG_ERR) {
perror("signal");
exit(EXIT_FAILURE);
}
/* set some defaults */
rxtotal = txtotal = rxptotal = txptotal = rxpmax = txpmax = 0;
rxpmin = txpmin = rxmin = txmin = MAX64;
rxmax = txmax = 0;
timeslept = 0;
timespent = (uint64_t)time(NULL);
/* read /proc/net/dev and get values to the first list */
if (!getifinfo(iface)) {
printf("Error: Interface \"%s\" not available, exiting.\n", iface);
exit(EXIT_FAILURE);
}
ratewidth = 15;
ppswidth = 5;
paddingwidth = 8;
/* narrow output mode */
if (cfg.ostyle == 0) {
ratewidth = 12;
ppswidth = 3;
paddingwidth = 4;
}
if (!json) {
cursorhide();
} else {
printf("{\"jsonversion\":\"%d\",", JSONVERSION_LIVE);
printf("\"vnstatversion\":\"%s\",", getversion());
printf("\"interface\":\"%s\",", iface);
printf("\"sampletime\":%d}\n", LIVETIME);
}
/* loop until user gets bored */
while (intsignal == 0) {
timeslept = (uint64_t)time(NULL);
/* wait 2 seconds for more traffic */
sleep(LIVETIME);
timeslept = (uint64_t)time(NULL) - timeslept;
/* break loop without calculations because sleep was probably interrupted */
if (intsignal) {
break;
}
/* use values from previous loop if this isn't the first time */
previnfo.rx = ifinfo.rx;
previnfo.tx = ifinfo.tx;
previnfo.rxp = ifinfo.rxp;
previnfo.txp = ifinfo.txp;
/* read those values again... */
if (!getifinfo(iface)) {
cursorshow();
printf("Error: Interface \"%s\" not available, exiting.\n", iface);
exit(EXIT_FAILURE);
}
/* calculate traffic and packets seen between updates */
rx = countercalc(&previnfo.rx, &ifinfo.rx, ifinfo.is64bit);
tx = countercalc(&previnfo.tx, &ifinfo.tx, ifinfo.is64bit);
rxp = countercalc(&previnfo.rxp, &ifinfo.rxp, ifinfo.is64bit);
txp = countercalc(&previnfo.txp, &ifinfo.txp, ifinfo.is64bit);
/* update totals */
rxtotal += rx;
txtotal += tx;
rxptotal += rxp;
txptotal += txp;
/* update min & max */
if (rxmin > rx) {
rxmin = rx;
}
if (txmin > tx) {
txmin = tx;
}
if (rxmax < rx) {
rxmax = rx;
}
if (txmax < tx) {
txmax = tx;
}
if (rxpmin > rxp) {
rxpmin = rxp;
}
if (txpmin > txp) {
txpmin = txp;
}
if (rxpmax < rxp) {
rxpmax = rxp;
}
if (txpmax < txp) {
txpmax = txp;
}
/* show the difference in a readable format or json */
if (!json) {
if (mode == 0) {
/* packets per second visible */
snprintf(buffer, 128, " rx: %s %*" PRIu64 " p/s", gettrafficrate(rx, LIVETIME, ratewidth), ppswidth, (uint64_t)rxp / LIVETIME);
snprintf(buffer2, 128, " %*s tx: %s %*" PRIu64 " p/s", paddingwidth, " ", gettrafficrate(tx, LIVETIME, ratewidth), ppswidth, (uint64_t)txp / LIVETIME);
} else {
/* total transfer amount visible */
snprintf(buffer, 128, " rx: %s %s", gettrafficrate(rx, LIVETIME, ratewidth), getvalue(rxtotal, 1, RT_Normal));
snprintf(buffer2, 128, " %*s tx: %s %s", paddingwidth, " ", gettrafficrate(tx, LIVETIME, ratewidth), getvalue(txtotal, 1, RT_Normal));
}
strcat(buffer, buffer2);
if (cfg.ostyle != 4 || !debug) {
cursortocolumn(1);
eraseline();
}
if (cfg.ostyle != 4) {
printf("%s", buffer);
fflush(stdout);
} else {
printf("%s\n", buffer);
}
} else {
printf("{\"index\":%" PRIu64 ",", index);
printf("\"seconds\":%" PRIu64 ",", (uint64_t)time(NULL) - timespent);
printf("\"rx\":{");
printf("\"ratestring\":\"%s\",", gettrafficrate(rx, LIVETIME, 0));
printf("\"bytespersecond\":%" PRIu64 ",", (uint64_t)(rx / LIVETIME));
printf("\"packetspersecond\":%" PRIu64 ",", (uint64_t)(rxp / LIVETIME));
printf("\"bytes\":%" PRIu64 ",", rx);
printf("\"packets\":%" PRIu64 ",", rxp);
printf("\"totalbytes\":%" PRIu64 ",", rxtotal);
printf("\"totalpackets\":%" PRIu64 "", rxptotal);
printf("},");
printf("\"tx\":{");
printf("\"ratestring\":\"%s\",", gettrafficrate(tx, LIVETIME, 0));
printf("\"bytespersecond\":%" PRIu64 ",", (uint64_t)(tx / LIVETIME));
printf("\"packetspersecond\":%" PRIu64 ",", (uint64_t)(txp / LIVETIME));
printf("\"bytes\":%" PRIu64 ",", tx);
printf("\"packets\":%" PRIu64 ",", txp);
printf("\"totalbytes\":%" PRIu64 ",", txtotal);
printf("\"totalpackets\":%" PRIu64 "", txptotal);
printf("}}\n");
index++;
}
}
timespent = (uint64_t)time(NULL) - timespent - timeslept;
if (!json) {
cursorshow();
printf("\n\n");
}
/* print some statistics if enough time did pass */
if (!json && timespent >= 10) {
printf("\n %s / traffic statistics\n\n", iface);
printf(" rx | tx\n");
printf("--------------------------------------+------------------\n");
printf(" bytes %s", getvalue(rxtotal, 15, RT_Normal));
printf(" | %s", getvalue(txtotal, 15, RT_Normal));
printf("\n");
printf("--------------------------------------+------------------\n");
printf(" max %s", gettrafficrate(rxmax, LIVETIME, 15));
printf(" | %s\n", gettrafficrate(txmax, LIVETIME, 15));
printf(" average %s", gettrafficrate(rxtotal, (time_t)timespent, 15));
printf(" | %s\n", gettrafficrate(txtotal, (time_t)timespent, 15));
printf(" min %s", gettrafficrate(rxmin, LIVETIME, 15));
printf(" | %s\n", gettrafficrate(txmin, LIVETIME, 15));
printf("--------------------------------------+------------------\n");
printf(" packets %12" PRIu64 " | %12" PRIu64 "\n", rxptotal, txptotal);
printf("--------------------------------------+------------------\n");
printf(" max %9" PRIu64 " p/s | %9" PRIu64 " p/s\n", rxpmax / LIVETIME, txpmax / LIVETIME);
printf(" average %9" PRIu64 " p/s | %9" PRIu64 " p/s\n", rxptotal / timespent, txptotal / timespent);
printf(" min %9" PRIu64 " p/s | %9" PRIu64 " p/s\n", rxpmin / LIVETIME, txpmin / LIVETIME);
printf("--------------------------------------+------------------\n");
if (timespent <= 60) {
printf(" time %9" PRIu64 " seconds\n", timespent);
} else {
printf(" time %7.2f minutes\n", timespent / (double)60);
}
printf("\n");
} else if (json) {
printf("{\"seconds\":%" PRIu64 ",", timespent);
printf("\"rx\":{");
printf("\"maxratestring\":\"%s\",", gettrafficrate(rxmax, LIVETIME, 0));
printf("\"averageratestring\":\"%s\",", gettrafficrate(rxtotal, (time_t)timespent, 0));
printf("\"minratestring\":\"%s\",", gettrafficrate(rxmin, LIVETIME, 0));
printf("\"totalbytes\":%" PRIu64 ",", rxtotal);
printf("\"maxbytes\":%" PRIu64 ",", rxmax);
printf("\"minbytes\":%" PRIu64 ",", rxmin);
printf("\"totalpackets\":%" PRIu64 ",", rxptotal);
printf("\"maxpackets\":%" PRIu64 ",", rxpmax);
printf("\"minpackets\":%" PRIu64 "", rxpmin);
printf("},");
printf("\"tx\":{");
printf("\"maxratestring\":\"%s\",", gettrafficrate(txmax, LIVETIME, 0));
printf("\"averageratestring\":\"%s\",", gettrafficrate(txtotal, (time_t)timespent, 0));
printf("\"minratestring\":\"%s\",", gettrafficrate(txmin, LIVETIME, 0));
printf("\"totalbytes\":%" PRIu64 ",", txtotal);
printf("\"maxbytes\":%" PRIu64 ",", txmax);
printf("\"minbytes\":%" PRIu64 ",", txmin);
printf("\"totalpackets\":%" PRIu64 ",", txptotal);
printf("\"maxpackets\":%" PRIu64 ",", txpmax);
printf("\"minpackets\":%" PRIu64 "", txpmin);
printf("}}\n");
}
}
void trafficmeter(char iface[], unsigned int sampletime)
{
/* received bytes packets errs drop fifo frame compressed multicast */
/* transmitted bytes packets errs drop fifo colls carrier compressed */
uint64_t rx, tx, rxp, txp;
int json = 0;
IFINFO firstinfo;
char buffer[256];
if (cfg.qmode == 10) {
json = 1;
}
/* less than 2 seconds doesn't produce good results */
if (sampletime < 2) {
printf("Error: Time for sampling too short.\n");
exit(EXIT_FAILURE);
}
/* read interface info and get values to the first list */
if (!getifinfo(iface)) {
printf("Error: Interface \"%s\" not available, exiting.\n", iface);
exit(EXIT_FAILURE);
}
firstinfo.rx = ifinfo.rx;
firstinfo.tx = ifinfo.tx;
firstinfo.rxp = ifinfo.rxp;
firstinfo.txp = ifinfo.txp;
/* wait sampletime and print some nice dots so that the user thinks
something is done :) */
if (!json) {
snprintf(buffer, 256, "Sampling %s (%u seconds average)", iface, sampletime);
printf("%s", buffer);
fflush(stdout);
sleep(sampletime / 3);
printf(".");
fflush(stdout);
sleep(sampletime / 3);
printf(".");
fflush(stdout);
sleep(sampletime / 3);
printf(".");
fflush(stdout);
if ((sampletime / 3) * 3 != sampletime) {
sleep(sampletime - ((sampletime / 3) * 3));
}
cursortocolumn(1);
eraseline();
} else {
sleep(sampletime);
}
/* read those values again... */
if (!getifinfo(iface)) {
printf("Error: Interface \"%s\" not available, exiting.\n", iface);
exit(EXIT_FAILURE);
}
/* calculate traffic and packets seen between updates */
rx = countercalc(&firstinfo.rx, &ifinfo.rx, ifinfo.is64bit);
tx = countercalc(&firstinfo.tx, &ifinfo.tx, ifinfo.is64bit);
rxp = countercalc(&firstinfo.rxp, &ifinfo.rxp, ifinfo.is64bit);
txp = countercalc(&firstinfo.txp, &ifinfo.txp, ifinfo.is64bit);
/* show the difference in a readable format or json */
if (!json) {
printf("%" PRIu64 " packets sampled in %d seconds\n", rxp + txp, sampletime);
printf("Traffic average for %s\n", iface);
printf("\n rx %s %5" PRIu64 " packets/s\n", gettrafficrate(rx, sampletime, 15), (uint64_t)(rxp / sampletime));
printf(" tx %s %5" PRIu64 " packets/s\n\n", gettrafficrate(tx, sampletime, 15), (uint64_t)(txp / sampletime));
} else {
printf("{\"jsonversion\":\"%d\",", JSONVERSION_TR);
printf("\"vnstatversion\":\"%s\",", getversion());
printf("\"interface\":\"%s\",", iface);
printf("\"sampletime\":%u,", sampletime);
printf("\"rx\":{");
printf("\"ratestring\":\"%s\",", gettrafficrate(rx, sampletime, 0));
printf("\"bytespersecond\":%" PRIu64 ",", (uint64_t)(rx / sampletime));
printf("\"packetspersecond\":%" PRIu64 ",", (uint64_t)(rxp / sampletime));
printf("\"bytes\":%" PRIu64 ",", rx);
printf("\"packets\":%" PRIu64 "", rxp);
printf("},");
printf("\"tx\":{");
printf("\"ratestring\":\"%s\",", gettrafficrate(tx, sampletime, 0));
printf("\"bytespersecond\":%" PRIu64 ",", (uint64_t)(tx / sampletime));
printf("\"packetspersecond\":%" PRIu64 ",", (uint64_t)(txp / sampletime));
printf("\"bytes\":%" PRIu64 ",", tx);
printf("\"packets\":%" PRIu64 "", txp);
printf("}}\n");
}
}
