| 1 | 1 | simandl | #!/usr/bin/env perl |
| 2 | | | |
| 3 | | | $|=1; |
| 4 | | | |
| 5 | | | use lib "../../lib"; |
| 6 | | | use HotSaNICparser; |
| 7 | | | use HotSaNICmod; |
| 8 | | | |
| 9 | | | my $MODLOGDIR="."; |
| 10 | | | my $MODPIDFILE="running.pid"; |
| 11 | | | my $MODNAME=HotSaNICparser::get_module_name(); |
| 12 | | | |
| 13 | | | |
| 14 | | | checkargs(@ARGV); |
| 15 | | | |
| 16 | | | |
| 17 | | | ###################################################################### |
| 18 | | | # |
| 19 | | | # wrapper |
| 20 | | | # |
| 21 | | | sub sample { |
| 22 | | | if (-e "./read-data") { system ("nice -5 ./read-data"); } |
| 23 | | | elsif (-e "./read-data.pl") { system ("nice -5 ./read-data.pl"); } |
| 24 | | | } |
| 25 | | | |
| 26 | | | sub update { |
| 27 | | | } |
| 28 | | | |
| 29 | | | ###################################################################### |
| 30 | | | # |
| 31 | | | # fork into background |
| 32 | | | # |
| 33 | | | sub daemonize { |
| 34 | | | my ($MODPIDFILE,$MODNAME,$MODLOGDIR)=@_; |
| 35 | | | |
| 36 | | | # set signal handlers |
| 37 | | | # |
| 38 | | | $SIG{TERM} = \&terminate; |
| 39 | | | $SIG{HUP} = \&configure; |
| 40 | | | $SIG{USR1} = \&sample; |
| 41 | | | $SIG{USR2} = \&update; |
| 42 | | | |
| 43 | | | $MODLOGDIR=""; |
| 44 | | | # open STDIN,"/dev/null"; |
| 45 | | | # open STDOUT,">>$MODLOGDIR"."/mod_$MODNAME.log"; |
| 46 | | | # open STDERR,">>$MODLOGDIR"."/mod_$MODNAME.log"; |
| 47 | | | # chdir "/"; |
| 48 | | | fork && exit 0; |
| 49 | | | } |
| 50 | | | |
| 51 | | | |
| 52 | | | ###################################################################### |
| 53 | | | # |
| 54 | | | # terminate module daemon |
| 55 | | | # |
| 56 | | | sub terminate { |
| 57 | | | HotSaNICmod::dupe_control("stop",$MODNAME,""); |
| 58 | | | unlink $MODPIDFILE if -e $MODPIDFILE; |
| 59 | | | # close STDIN; |
| 60 | | | # close STDOUT; |
| 61 | | | # close STDERR; |
| 62 | | | exit 0; |
| 63 | | | } |
| 64 | | | |
| 65 | | | |
| 66 | | | ###################################################################### |
| 67 | | | # |
| 68 | | | # check cmdline arguments |
| 69 | | | # |
| 70 | | | sub checkargs { |
| 71 | | | $args=join " ",@_; |
| 72 | | | |
| 73 | | | if ( $args eq "" ) { |
| 74 | | | print "arguments missing!\n"; |
| 75 | | | print "usage: $0 [start/stop/status/version]\n"; |
| 76 | | | } |
| 77 | | | |
| 78 | | | if ( $args =~ /version/) { |
| 79 | | | print "wrapper script\n"; |
| 80 | | | } |
| 81 | | | |
| 82 | | | if ( $args =~ /start/) { |
| 83 | | | my ($pid,$uptime)=HotSaNICmod::dupe_control("check",$MODNAME,""); |
| 84 | | | if ($pid > 0) { print "$MODNAME already running on PID $pid\n"; } |
| 85 | | | else { |
| 86 | | | daemonize($MODPIDFILE,$MODNAME,$MODLOGDIR); |
| 87 | | | HotSaNICmod::dupe_control("start",$MODNAME,""); |
| 88 | | | while (1 == 1) { sleep; } |
| 89 | | | } |
| 90 | | | } |
| 91 | | | |
| 92 | | | if ( $args =~ /status/) { |
| 93 | | | my ($pid,$uptime)=HotSaNICmod::dupe_control("check",$MODNAME,""); |
| 94 | | | print "$MODNAME running on PID $pid for $uptime sec.\n"; |
| 95 | | | } |
| 96 | | | |
| 97 | | | if ( $args =~ /sample/) { |
| 98 | | | my ($pid,$uptime)=HotSaNICmod::dupe_control("check",$MODNAME,""); |
| 99 | | | if ($pid > 0) { kill "SIGUSR1",$pid; } |
| 100 | | | else { print "no process running.\n"; } |
| 101 | | | } |
| 102 | | | |
| 103 | | | if ( $args =~ /stop/) { |
| 104 | | | my ($pid,$uptime)=HotSaNICmod::dupe_control("check",$MODNAME,""); |
| 105 | | | if ($pid > 0) { kill "SIGTERM",$pid; } |
| 106 | | | else { print "no process running.\n"; } |
| 107 | | | } |
| 108 | | | } |
| 109 | | | |
