netsnmp: adjust init script by creating start(), stop(), reload()

Change the init script to get rid of double code. Start, stop and reload
code has been put into separate functions and 'restart' will just call
stop() and start() with a delay in between.

Signed-off-by: Andreas Ehmanns <universeII@gmx.de>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/netsnmp/S59snmpd

@@ -38,56 +38,59 @@ if [ "$SNMPDCOMPAT" = "yes" ]; then
   ln -sf /var/agentx/master /var/run/agentx
 fi
 
-case "$1" in
-  start)
+start() {
     printf "Starting network management services:"
     if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
-      start-stop-daemon -q -S -x /usr/sbin/snmpd -- $SNMPDOPTS
-      printf " snmpd"
+        start-stop-daemon -q -S -x /usr/sbin/snmpd -- $SNMPDOPTS
+        printf " snmpd"
     fi
     if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
-      start-stop-daemon -q -S -x /usr/sbin/snmptrapd -- $TRAPDOPTS
-      printf " snmptrapd"
+        start-stop-daemon -q -S -x /usr/sbin/snmptrapd -- $TRAPDOPTS
+        printf " snmptrapd"
     fi
     echo "."
-    ;;
-  stop)
+}
+
+stop() {
     printf "Stopping network management services:"
     start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmpd
     printf " snmpd"
     start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmptrapd
     printf " snmptrapd"
     echo "."
-    ;;
-  restart)
-    printf "Restarting network management services:"
-    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmpd
-    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmptrapd
-    # Allow the daemons time to exit completely.
-    sleep 2
-    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
-      start-stop-daemon -q -S -x /usr/sbin/snmpd -- $SNMPDOPTS
-      printf " snmpd"
-    fi
-    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
-      # Allow snmpd time to start up.
-      sleep 1
-      start-stop-daemon -q -S -x /usr/sbin/snmptrapd -- $TRAPDOPTS
-      printf " snmptrapd"
-    fi
-    echo "."
-    ;;
-  reload|force-reload)
+}
+
+reload() {
     printf "Reloading network management services:"
     if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
-      start-stop-daemon -q -K -s 1 -p /var/run/snmpd.pid -x /usr/sbin/snmpd
-      printf " snmpd"
+        start-stop-daemon -q -K -s 1 -p /var/run/snmpd.pid -x /usr/sbin/snmpd
+        printf " snmpd"
     fi
     echo "."
-    ;;
-  *)
-    echo "Usage: /etc/init.d/snmpd {start|stop|restart|reload|force-reload}"
-    exit 1
+}
+
+case "$1" in
+    start)
+        start
+        ;;
+
+    stop)
+        stop
+        ;;
+
+    restart)
+        stop
+        # Allow the daemons time to exit completely.
+        sleep 2
+        start
+        ;;
+
+    reload|force-reload)
+        reload
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|restart|reload|force-reload}"
+        exit 1
 esac
 
 exit 0