net-snmp: init script fixes

Changes:
1. Add source function and status command.
2. make it possible to change the start arguments with a default file
   in the same way as debian.
3. change the default INITSCRIPT_PARAMS
4. Add PIDFILE and fix restart
5. remove the postrm sicne we use the one from update-rc.d

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

1 files changed, 26 insertions, 25 deletions

diff --git a/meta-networking/recipes-protocols/net-snmp/files/init b/meta-networking/recipes-protocols/net-snmp/files/init
index 6b02570c6..2b8fe18b3 100755
--- a/meta-networking/recipes-protocols/net-snmp/files/init
+++ b/meta-networking/recipes-protocols/net-snmp/files/init
@@ -1,6 +1,8 @@
 #! /bin/sh
 # /etc/init.d/snmpd: start snmp daemon.
 
+. /etc/init.d/functions
+
 test -x /usr/sbin/snmpd || exit 0
 test -x /usr/sbin/snmptrapd || exit 0
 
@@ -10,21 +12,23 @@ SNMPDRUN=yes
 SNMPDOPTS='-Lsd -Lf /dev/null -p /var/run/snmpd.pid'
 TRAPDRUN=no
 TRAPDOPTS='-Lsd -p /var/run/snmptrapd.pid'
+PIDFILE=/var/run/snmpd.pid
+SPIDFILE=/var/run/snmptrapd.pid
 
-# Cd to / before starting any daemons.
-cd /
+# Reads config file if exists (will override defaults above)
+[ -r /etc/default/snmpd ] && . /etc/default/snmpd
 
 case "$1" in
   start)
     echo -n "Starting network management services:"
-    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
-        start-stop-daemon -S -x /usr/sbin/snmpd \
-            -- $SNMPDOPTS
+    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf -a ! -f "$PIDFILE" ]; then
+        start-stop-daemon -o --start --quiet --name snmpd --pidfile "$PIDFILE" \
+                --exec /usr/sbin/snmpd -- $SNMPDOPTS
         echo -n " snmpd"
     fi
-    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
-        start-stop-daemon -S -x /usr/sbin/snmptrapd \
-            -- $TRAPDOPTS
+    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf -a ! -f "$SPIDFILE" ]; then
+        start-stop-daemon -o --start --quiet --name snmptrapd  --pidfile "$SPIDFILE" \
+                 --exec /usr/sbin/snmptrapd -- $TRAPDOPTS
         echo -n " snmptrapd"
     fi
     echo "."
@@ -33,32 +37,29 @@ case "$1" in
     ;;
   stop)
     echo -n "Stopping network management services:"
-    start-stop-daemon -K -x /usr/sbin/snmpd
+    if [ -f  "$PIDFILE" ] ; then
+        start-stop-daemon -o --stop  --quiet --pidfile $PIDFILE --name snmpd
+    fi
     echo -n " snmpd"
-    start-stop-daemon -K -x /usr/sbin/snmptrapd
+    if [ -f "$SPIDFILE" ] ; then
+        start-stop-daemon -o --stop  --quiet --pidfile $SPIDFILE --name snmptrapd
+        rm -rf $SPIDFILE
+    fi
     echo -n " snmptrapd"
     echo "."
     ;;
+  status)
+    status /usr/sbin/snmpd;
+    exit $?
+    ;;
   restart|reload|force-reload)
-    echo -n "Restarting network management services:"
-    start-stop-daemon -K -x /usr/sbin/snmpd
-    start-stop-daemon -K -x /usr/sbin/snmptrapd
+    $0 stop
     # Allow the daemons time to exit completely.
     sleep 2
-    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
-        start-stop-daemon -S -x /usr/sbin/snmpd -- $SNMPDOPTS
-        echo -n " snmpd"
-    fi
-    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
-        # Allow snmpd time to start up.
-        sleep 1
-        start-stop-daemon -S -x /usr/sbin/snmptrapd -- $TRAPDOPTS
-        echo -n " snmptrapd"
-    fi
-    echo "."
+    $0 start
     ;;
   *)
-    echo "Usage: /etc/init.d/snmpd {start|stop|restart|reload|force-reload}"
+    echo "Usage: /etc/init.d/snmpd {start|stop|status|restart|reload|force-reload}"
     exit 1
 esac