void gtk_loop(void)
{
GIOChannel *net_iochannel, *dns_iochannel;
gtk_add_ping_timeout ();
net_iochannel = g_io_channel_unix_new(net_waitfd());
g_io_add_watch(net_iochannel, G_IO_IN, gtk_net_data, NULL);
dns_iochannel = g_io_channel_unix_new(dns_waitfd());
g_io_add_watch(dns_iochannel, G_IO_IN, gtk_dns_data, NULL);
gtk_main();
}
void gtk_loop(void)
{
GIOChannel *net_iochannel, *dns_iochannel;
gtk_add_ping_timeout ();
net_iochannel = g_io_channel_unix_new(net_waitfd());
g_io_add_watch(net_iochannel, G_IO_IN, gtk_net_data, NULL);
#ifdef ENABLE_IPV6
if (dns_waitfd6() > 0) {
dns_iochannel = g_io_channel_unix_new(dns_waitfd6());
g_io_add_watch(dns_iochannel, G_IO_IN, gtk_dns_data6, NULL);
}
#endif
dns_iochannel = g_io_channel_unix_new(dns_waitfd());
g_io_add_watch(dns_iochannel, G_IO_IN, gtk_dns_data, NULL);
gtk_main();
}
void select_loop(void) {
fd_set readfd;
fd_set writefd;
int anyset = 0;
int maxfd = 0;
int dnsfd, netfd;
#ifdef ENABLE_IPV6
int dnsfd6;
#endif
int NumPing = 0;
int paused = 0;
struct timeval lasttime, thistime, selecttime;
struct timeval startgrace;
int dt;
int rv;
int graceperiod = 0;
memset(&startgrace, 0, sizeof(startgrace));
gettimeofday(&lasttime, NULL);
while(1) {
dt = calc_deltatime (WaitTime);
intervaltime.tv_sec = dt / 1000000;
intervaltime.tv_usec = dt % 1000000;
FD_ZERO(&readfd);
FD_ZERO(&writefd);
maxfd = 0;
if(Interactive) {
FD_SET(0, &readfd);
maxfd = 1;
}
#ifdef ENABLE_IPV6
if (dns) {
dnsfd6 = dns_waitfd6();
if (dnsfd6 >= 0) {
FD_SET(dnsfd6, &readfd);
if(dnsfd6 >= maxfd) maxfd = dnsfd6 + 1;
} else {
dnsfd6 = 0;
}
} else
dnsfd6 = 0;
#endif
if (dns) {
dnsfd = dns_waitfd();
FD_SET(dnsfd, &readfd);
if(dnsfd >= maxfd) maxfd = dnsfd + 1;
} else
dnsfd = 0;
netfd = net_waitfd();
FD_SET(netfd, &readfd);
if(netfd >= maxfd) maxfd = netfd + 1;
if (mtrtype == IPPROTO_TCP)
net_add_fds(&writefd, &maxfd);
do {
if(anyset || paused) {
/* Set timeout to 0.1s.
* While this is almost instantaneous for human operators,
* it's slow enough for computers to go do something else;
* this prevents mtr from hogging 100% CPU time on one core.
*/
selecttime.tv_sec = 0;
selecttime.tv_usec = paused?100000:0;
rv = select(maxfd, (void *)&readfd, &writefd, NULL, &selecttime);
} else {
if(Interactive) display_redraw();
gettimeofday(&thistime, NULL);
if(thistime.tv_sec > lasttime.tv_sec + intervaltime.tv_sec ||
(thistime.tv_sec == lasttime.tv_sec + intervaltime.tv_sec &&
thistime.tv_usec >= lasttime.tv_usec + intervaltime.tv_usec)) {
lasttime = thistime;
if (!graceperiod) {
if (NumPing >= MaxPing && (!Interactive || ForceMaxPing)) {
graceperiod = 1;
startgrace = thistime;
}
/* do not send out batch when we've already initiated grace period */
if (!graceperiod && net_send_batch())
NumPing++;
}
}
if (graceperiod) {
dt = (thistime.tv_usec - startgrace.tv_usec) +
1000000 * (thistime.tv_sec - startgrace.tv_sec);
if (dt > GRACETIME)
return;
}
selecttime.tv_usec = (thistime.tv_usec - lasttime.tv_usec);
selecttime.tv_sec = (thistime.tv_sec - lasttime.tv_sec);
if (selecttime.tv_usec < 0) {
--selecttime.tv_sec;
selecttime.tv_usec += 1000000;
}
selecttime.tv_usec = intervaltime.tv_usec - selecttime.tv_usec;
selecttime.tv_sec = intervaltime.tv_sec - selecttime.tv_sec;
if (selecttime.tv_usec < 0) {
--selecttime.tv_sec;
selecttime.tv_usec += 1000000;
}
if (dns) {
if ((selecttime.tv_sec > (time_t)dnsinterval) ||
((selecttime.tv_sec == (time_t)dnsinterval) &&
(selecttime.tv_usec > ((time_t)(dnsinterval * 1000000) % 1000000)))) {
selecttime.tv_sec = (time_t)dnsinterval;
selecttime.tv_usec = (time_t)(dnsinterval * 1000000) % 1000000;
}
}
rv = select(maxfd, (void *)&readfd, NULL, NULL, &selecttime);
}
} while ((rv < 0) && (errno == EINTR));
if (rv < 0) {
perror ("Select failed");
exit (1);
}
anyset = 0;
/* Have we got new packets back? */
if(FD_ISSET(netfd, &readfd)) {
net_process_return();
anyset = 1;
}
if (dns) {
/* Handle any pending resolver events */
dnsinterval = WaitTime;
dns_events(&dnsinterval);
}
/* Have we finished a nameservice lookup? */
#ifdef ENABLE_IPV6
if(dns && dnsfd6 && FD_ISSET(dnsfd6, &readfd)) {
dns_ack6();
anyset = 1;
}
#endif
if(dns && dnsfd && FD_ISSET(dnsfd, &readfd)) {
dns_ack();
anyset = 1;
}
/* Has a key been pressed? */
if(FD_ISSET(0, &readfd)) {
switch (display_keyaction()) {
case ActionQuit:
return;
break;
case ActionReset:
net_reset();
break;
case ActionDisplay:
display_mode = (display_mode+1) % 3;
break;
case ActionClear:
display_clear();
break;
case ActionPause:
paused=1;
break;
case ActionResume:
paused=0;
break;
case ActionMPLS:
enablempls = !enablempls;
display_clear();
break;
case ActionDNS:
if (dns) {
use_dns = !use_dns;
display_clear();
}
break;
#ifdef IPINFO
case ActionII:
if (ipinfo_no >= 0) {
ipinfo_no++;
if (ipinfo_no > ipinfo_max)
ipinfo_no = 0;
}
break;
case ActionAS:
if (ipinfo_no >= 0)
ipinfo_no = ipinfo_no?0:ipinfo_max;
break;
#endif
case ActionScrollDown:
display_offset += 5;
break;
case ActionScrollUp:
display_offset -= 5;
if (display_offset < 0) {
display_offset = 0;
}
break;
}
anyset = 1;
}
/* Check for activity on open sockets */
if (mtrtype == IPPROTO_TCP)
net_process_fds(&writefd);
}
return;
}
void select_loop(void) {
fd_set readfd;
int anyset = 0;
int maxfd = 0;
int dnsfd, netfd;
int NumPing = 0;
int paused = 0;
struct timeval lasttime, thistime, selecttime;
int dt;
int rv;
gettimeofday(&lasttime, NULL);
while(1) {
dt = calc_deltatime (WaitTime);
intervaltime.tv_sec = dt / 1000000;
intervaltime.tv_usec = dt % 1000000;
FD_ZERO(&readfd);
maxfd = 0;
if(Interactive) {
FD_SET(0, &readfd);
maxfd = 1;
}
if (dns) {
dnsfd = dns_waitfd();
FD_SET(dnsfd, &readfd);
if(dnsfd >= maxfd) maxfd = dnsfd + 1;
} else
dnsfd = 0;
netfd = net_waitfd();
FD_SET(netfd, &readfd);
if(netfd >= maxfd) maxfd = netfd + 1;
do {
if(anyset || paused) {
selecttime.tv_sec = 0;
selecttime.tv_usec = 0;
rv = select(maxfd, (void *)&readfd, NULL, NULL, &selecttime);
} else {
if(Interactive) display_redraw();
gettimeofday(&thistime, NULL);
if(thistime.tv_sec > lasttime.tv_sec + intervaltime.tv_sec ||
(thistime.tv_sec == lasttime.tv_sec + intervaltime.tv_sec &&
thistime.tv_usec >= lasttime.tv_usec + intervaltime.tv_usec)) {
lasttime = thistime;
if(NumPing >= MaxPing && (!Interactive || ForceMaxPing))
return;
if (net_send_batch())
NumPing++;
}
selecttime.tv_usec = (thistime.tv_usec - lasttime.tv_usec);
selecttime.tv_sec = (thistime.tv_sec - lasttime.tv_sec);
if (selecttime.tv_usec < 0) {
--selecttime.tv_sec;
selecttime.tv_usec += 1000000;
}
selecttime.tv_usec = intervaltime.tv_usec - selecttime.tv_usec;
selecttime.tv_sec = intervaltime.tv_sec - selecttime.tv_sec;
if (selecttime.tv_usec < 0) {
--selecttime.tv_sec;
selecttime.tv_usec += 1000000;
}
if (dns) {
if ((selecttime.tv_sec > (time_t)dnsinterval) ||
((selecttime.tv_sec == (time_t)dnsinterval) &&
(selecttime.tv_usec > ((time_t)(dnsinterval * 1000000) % 1000000)))) {
selecttime.tv_sec = (time_t)dnsinterval;
selecttime.tv_usec = (time_t)(dnsinterval * 1000000) % 1000000;
}
}
rv = select(maxfd, (void *)&readfd, NULL, NULL, &selecttime);
}
} while ((rv < 0) && (errno == EINTR));
if (rv < 0) {
perror ("Select failed");
exit (1);
}
anyset = 0;
/* Have we got new packets back? */
if(FD_ISSET(netfd, &readfd)) {
net_process_return();
anyset = 1;
}
if (dns) {
/* Handle any pending resolver events */
dnsinterval = WaitTime;
dns_events(&dnsinterval);
}
/* Have we finished a nameservice lookup? */
if(dns && FD_ISSET(dnsfd, &readfd)) {
dns_ack();
anyset = 1;
}
/* Has a key been pressed? */
if(FD_ISSET(0, &readfd)) {
switch (display_keyaction()) {
case ActionQuit:
return;
break;
case ActionReset:
net_reset();
break;
case ActionDisplay:
display_mode = (display_mode+1) % 3;
break;
case ActionClear:
display_clear();
break;
case ActionPause:
paused=1;
break;
case ActionResume:
paused=0;
break;
case ActionMPLS:
enablempls = !enablempls;
display_clear();
break;
case ActionDNS:
if (dns) {
use_dns = !use_dns;
display_clear();
}
break;
case ActionScrollDown:
display_offset += 5;
break;
case ActionScrollUp:
display_offset -= 5;
if (display_offset < 0) {
display_offset = 0;
}
break;
}
anyset = 1;
}
}
return;
}