Merge pull request #37 from anomen-s/help-to-stdout

print help to stdout
This commit is contained in:
Arnout Engelen
2016-03-01 11:43:35 +01:00

View File

@@ -2,29 +2,32 @@
static void versiondisplay(void)
{
std::cerr << version << "\n";
std::cout << version << "\n";
}
static void help(void)
static void help(bool iserror)
{
//std::cerr << "usage: nethogs [-V] [-b] [-d seconds] [-t] [-p] [-f (eth|ppp))] [device [device [device ...]]]\n";
std::cerr << "usage: nethogs [-V] [-b] [-d seconds] [-v mode] [-c count] [-t] [-p] [-s] [device [device [device ...]]]\n";
std::cerr << " -V : prints version.\n";
std::cerr << " -b : bughunt mode - implies tracemode.\n";
std::cerr << " -d : delay for update refresh rate in seconds. default is 1.\n";
std::cerr << " -v : view mode (0 = KB/s, 1 = total KB, 2 = total B, 3 = total MB). default is 0.\n";
std::cerr << " -c : number of updates. default is 0 (unlimited).\n";
std::cerr << " -t : tracemode.\n";
//std::cerr << " -f : format of packets on interface, default is eth.\n";
std::cerr << " -p : sniff in promiscious mode (not recommended).\n";
std::cerr << " -s : sort output by sent column.\n";
std::cerr << " device : device(s) to monitor. default is all interfaces up and running excluding loopback\n";
std::cerr << std::endl;
std::cerr << "When nethogs is running, press:\n";
std::cerr << " q: quit\n";
std::cerr << " s: sort by SENT traffic\n";
std::cerr << " r: sort by RECEIVE traffic\n";
std::cerr << " m: switch between total (KB, B, MB) and KB/s mode\n";
std::ostream & output = (iserror ? std::cerr : std::cout);
//output << "usage: nethogs [-V] [-b] [-d seconds] [-t] [-p] [-f (eth|ppp))] [device [device [device ...]]]\n";
output << "usage: nethogs [-V] [-h] [-b] [-d seconds] [-v mode] [-c count] [-t] [-p] [-s] [device [device [device ...]]]\n";
output << " -V : prints version.\n";
output << " -h : prints this help.\n";
output << " -b : bughunt mode - implies tracemode.\n";
output << " -d : delay for update refresh rate in seconds. default is 1.\n";
output << " -v : view mode (0 = KB/s, 1 = total KB, 2 = total B, 3 = total MB). default is 0.\n";
output << " -c : number of updates. default is 0 (unlimited).\n";
output << " -t : tracemode.\n";
//output << " -f : format of packets on interface, default is eth.\n";
output << " -p : sniff in promiscious mode (not recommended).\n";
output << " -s : sort output by sent column.\n";
output << " device : device(s) to monitor. default is all interfaces up and running excluding loopback\n";
output << std::endl;
output << "When nethogs is running, press:\n";
output << " q: quit\n";
output << " s: sort by SENT traffic\n";
output << " r: sort by RECEIVE traffic\n";
output << " m: switch between total (KB, B, MB) and KB/s mode\n";
}
int main (int argc, char** argv)
@@ -42,7 +45,7 @@ int main (int argc, char** argv)
versiondisplay();
exit(0);
case 'h':
help();
help(false);
exit(0);
case 'b':
bughuntmode = true;
@@ -77,7 +80,7 @@ int main (int argc, char** argv)
break;
*/
default:
help();
help(true);
exit(EXIT_FAILURE);
}
}