void ui_tick ()
{
switch (getch()) {
case 'q':
/* quit */
quit_cb(0);
break;
case 's':
/* sort on 'sent' */
sortRecv = false;
break;
case 'r':
/* sort on 'received' */
sortRecv = true;
break;
case 'm':
/* switch mode: total vs kb/s */
viewMode = (viewMode + 1) % nViewModes;
break;
}
}
// Display all processes and relevant network traffic using show function
void do_refresh()
{
refreshconninode();
refreshcount++;
ProcList * curproc = processes;
ProcList * previousproc = NULL;
int nproc = processes->size();
/* initialise to null pointers */
Line * lines [nproc];
int n = 0;
#ifndef NDEBUG
// initialise to null pointers
for (int i = 0; i < nproc; i++)
lines[i] = NULL;
#endif
while (curproc != NULL)
{
// walk though its connections, summing up their data, and
// throwing away connections that haven't received a package
// in the last PROCESSTIMEOUT seconds.
assert (curproc != NULL);
assert (curproc->getVal() != NULL);
assert (nproc == processes->size());
/* remove timed-out processes (unless it's one of the the unknown process) */
if ((curproc->getVal()->getLastPacket() + PROCESSTIMEOUT <= curtime.tv_sec)
&& (curproc->getVal() != unknowntcp)
&& (curproc->getVal() != unknownudp)
&& (curproc->getVal() != unknownip))
{
if (DEBUG)
std::cout << "PROC: Deleting process\n";
ProcList * todelete = curproc;
Process * p_todelete = curproc->getVal();
if (previousproc)
{
previousproc->next = curproc->next;
curproc = curproc->next;
} else {
processes = curproc->getNext();
curproc = processes;
}
delete todelete;
delete p_todelete;
nproc--;
//continue;
}
else
{
// add a non-timed-out process to the list of stuff to show
float value_sent = 0,
value_recv = 0;
if (viewMode == VIEWMODE_KBPS)
{
//std::cout << "kbps viemode" << std::endl;
getkbps (curproc->getVal(), &value_recv, &value_sent);
}
else if (viewMode == VIEWMODE_TOTAL_KB)
{
//std::cout << "total viemode" << std::endl;
gettotalkb(curproc->getVal(), &value_recv, &value_sent);
}
else if (viewMode == VIEWMODE_TOTAL_MB)
{
//std::cout << "total viemode" << std::endl;
gettotalmb(curproc->getVal(), &value_recv, &value_sent);
}
else if (viewMode == VIEWMODE_TOTAL_B)
{
//std::cout << "total viemode" << std::endl;
gettotalb(curproc->getVal(), &value_recv, &value_sent);
}
else
{
forceExit(false, "Invalid viewMode: %d", viewMode);
}
uid_t uid = curproc->getVal()->getUid();
#ifndef NDEBUG
struct passwd * pwuid = getpwuid(uid);
assert (pwuid != NULL);
// value returned by pwuid should not be freed, according to
// Petr Uzel.
//free (pwuid);
#endif
assert (curproc->getVal()->pid >= 0);
assert (n < nproc);
lines[n] = new Line (curproc->getVal()->name, value_recv, value_sent,
curproc->getVal()->pid, uid, curproc->getVal()->devicename);
previousproc = curproc;
curproc = curproc->next;
n++;
#ifndef NDEBUG
assert (nproc == processes->size());
if (curproc == NULL)
assert (n-1 < nproc);
else
assert (n < nproc);
#endif
}
}
/* sort the accumulated lines */
qsort (lines, nproc, sizeof(Line *), GreatestFirst);
if (tracemode || DEBUG)
show_trace(lines, nproc);
else
show_ncurses(lines, nproc);
if (refreshlimit != 0 && refreshcount >= refreshlimit)
quit_cb(0);
}
