Re-implement 'try' command

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4336 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall/changelog.txt

@@ -14,6 +14,8 @@ Changes in 3.3.0
 
 7)  Merge shorewall.conf handling changes.
 
+8)  Re-implement the 'try' command.
+
 
 
 

Shorewall/releasenotes.txt

@@ -42,6 +42,17 @@ Other changes in 3.3.0
    removed. Please use ipsets to implement dynamic zones as described
    in http://www.shorewall.net/DynamicZones.html.
 
+2) The 'try' command has been re-implemented. The command now does the
+   following:
+
+       - shorewall save
+       - shorewall restart <specified directory>
+       - if the restart is not successful, the configuration is
+         automatically restored
+       - otherwise, if a timeout is given then 
+	 - sleep for the number of seconds specified and
+	 - shorewall restore
+
 Migration Considerations:
 
 1)  Support for dynamic zones (DYNAMIC_ZONES=Yes in shorewall.conf and

Shorewall/shorewall

@@ -1811,15 +1811,13 @@ case "$COMMAND" in
 	VERBOSE=$(make_verbose)
 	[ -n "$NOROUTES" ] && NOROUTES=-n
 	export -n CONFIG_PATH
-	if ! $0 $debugging $VERBOSE -c $2 restart; then
-	    if ! $IPTABLES -L shorewall > /dev/null 2> /dev/null; then
-		$0 $VERBOSE $NOROUTES start
-	    fi
-	elif ! $IPTABLES -L shorewall > /dev/null 2> /dev/null; then
-	    $0 $VERBOSE $NOROUTES start
-	elif [ $# -eq 3 ]; then
+	if $0 $debugging $VERBOSE save; then
+	    if $0 $debugging $VERBOSE restart $2 ; then
+		if [ $# -eq 3 ]; then
 		    sleep $3
-	    $0 $VERBOSE $NOROUTES restart
+		    $0 $VERBOSE $NOROUTES restore
+		fi
+	    fi
 	fi
 	;;
     logwatch)