conmux/start

   1 #!/bin/bash
   2 #
   3 # start -- start up configured conmux servers on this host.
   4 #
   5 # (C) Copyright IBM Corp. 2004, 2005, 2006
   6 # Author: Andy Whitcroft <andyw@uk.ibm.com>
   7 #
   8 # The Console Multiplexor is released under the GNU Public License V2
   9 #
  10 if [ -f ~/.gmm.conf ]; then
  11         . ~/.gmm.conf
  12 fi
  13 CONMUX=${CONMUX:-/usr/local/conmux}
  14
  15 cmd="start"
  16 if [ "$1" != "" ]; then
  17         cmd="$1"
  18 fi
  19
  20 PATH=$CONMUX/bin:$CONMUX/sbin:$CONMUX/lib/drivers:$CONMUX/lib/helpers:$PATH
  21
  22 function start() {
  23         typeset name="$1"
  24         typeset pf="$CONMUX/log/$name.pid"
  25
  26         shift
  27
  28         # Determine whether it is already running ... if so leave it be.
  29         if [ -f "$pf" ]; then
  30                 if kill -0 `cat "$pf"` 2>/dev/null; then
  31                         return 1
  32                 fi
  33         fi
  34
  35         echo "starting $name ..."
  36         "$@" >"$CONMUX/log/$name.log" 2>&1 &
  37         echo "$!" >"$pf"
  38
  39         return 0
  40 }
  41 function stop() {
  42         typeset name="$1"
  43         typeset pf="$CONMUX/log/$name.pid"
  44
  45         echo "stopping $name ..."
  46         # Kill it and clear up
  47         kill -HUP `cat "$pf"` 2>/dev/null
  48         rm -f "$pf"
  49 }
  50
  51 existing=""
  52 for i in $CONMUX/log/*.pid
  53 do
  54         n=${i%.pid}
  55         n=${n#$CONMUX/log/}
  56
  57         if [ "$n" != "*" ]; then
  58                 existing="$existing $n"
  59         fi
  60 done
  61
  62 if [ "$cmd" = "start" ]; then
  63         autoboot=""
  64         [ -f $CONMUX/etc/registry ] || touch $CONMUX/etc/registry
  65         start registry $CONMUX/sbin/conmux-registry 63000 $CONMUX/etc/registry
  66         if [ "$?" -eq 0 ]; then
  67                 sleep 1
  68         fi
  69         started="registry"
  70         pause=0
  71         for i in $CONMUX/etc/*.cf
  72         do
  73                 n=${i%.cf}
  74                 n=${n#$CONMUX/etc/}
  75
  76                 if [ "$n" != "*" ]; then
  77                         if [ -f "$CONMUX/log/$n.cf" ]; then
  78                                 if ! cmp -s "$i" "$CONMUX/log/$n.cf"; then
  79                                         stop $n
  80                                 fi
  81                         fi
  82                         start $n $CONMUX/sbin/conmux $i
  83                         if [ "$?" -eq 0 ]; then
  84                                 pause=1
  85                         fi
  86                         started="$started $n"
  87
  88                         # Preserve the orginal configuration file.
  89                         cp "$i" "$CONMUX/log/$n.cf"
  90
  91                         if grep -q TYPE:numaq "$i"; then
  92                                 autoboot="$autoboot $n"
  93                         fi
  94                         for i in `grep FLAGS: "$i"`; do
  95                                 case "$i" in
  96                                 \#|FLAGS:)      ;;
  97                                 *)              autoboot="$autoboot $n/$i" ;;
  98                                 esac
  99                         done
 100                 fi
 101         done
 102         if [ "$pause" -eq 1 ]; then
 103                 sleep 1
 104         fi
 105         for nh in $autoboot
 106         do
 107                 name="${nh%/*}"
 108                 helper="${nh#*/}"
 109
 110                 mn="${name#abat-}"
 111                 start $name-$helper-helper $CONMUX/bin/conmux-attach $mn $helper-helper
 112                 started="$started $name-$helper-helper"
 113         done
 114 fi
 115
 116 if [ "$cmd" = "start" -o "$cmd" = "stop" ]; then
 117         for i in $existing
 118         do
 119                 case " $started " in
 120                 *\ $i\ *)       ;;
 121                 *)              stop "$i" ;;
 122                 esac
 123         done
 124 fi
 125
 126 if [ "$cmd" = "status" ]; then
 127         for n in $existing
 128         do
 129                 mn="${n#abat-}"
 130                 case "$n" in
 131                 registry|*-helper)
 132                         ;;
 133                 *)
 134                         status=`console -s $mn`
 135                         echo "$mn $status"
 136                 esac
 137         done
 138 fi