print help to stdout

This commit is contained in:
anomen
2016-02-24 01:22:46 +01:00
parent fe65bfb340
commit 8a01e1c3b5

View File

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