update network service examples

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

examples/var_service/zcip_if/finish

@@ -0,0 +1,13 @@
+#!/bin/sh
+# executed when service is taken down ("sv d .")
+
+service=${PWD##*/}
+file_ipconf="$service.ipconf"
+dir_ipconf="/var/run/service/fw"
+
+# Reconfigure network with this interface disabled
+echo "Finish: deconfiguring"
+rm "env.out"
+rm "$file_ipconf"
+rm "$dir_ipconf/$file_ipconf"
+sv u /var/service/fw

examples/var_service/zcip_if/log/run

@@ -6,7 +6,7 @@ logdir="/var/log/service/`(cd ..;basename $PWD)`"
 mkdir -p "$logdir" 2>/dev/null
 chown -R "$user": "$logdir"
 chmod -R go-rwxst,u+rwX "$logdir"
-rm logdir
+rm -rf logdir
 ln -s "$logdir" logdir
 
 # make this dir accessible to logger

examples/var_service/zcip_if/zcip_handler

@@ -33,7 +33,8 @@ if test x"$1" != x"config"; then
 fi
 
 # "config": we've got the address
-#env # debug
+# Record information for e.g. dhcp_$IF_pinger service
+env >"env.out"
 
 ./convert2ipconf "$file_ipconf"
 # Reconfigure routing and firewall if needed