More filter work.

node/Filter.hpp

@@ -138,6 +138,11 @@ public:
 	 */
 	static const char *const UNKNOWN_NAME;
 
+	/**
+	 * An empty range as a more idiomatic way of specifying a wildcard match
+	 */
+	static const Range<unsigned int> ANY;
+
 	/**
 	 * A filter rule
 	 *
@@ -222,10 +227,9 @@ public:
 	 */
 	enum Action
 	{
-		ACTION_DENY = 1,
-		ACTION_ALLOW = 2,
-		ACTION_LOG = 3,
-		ACTION_UNPARSEABLE = 4
+		ACTION_DENY = 0,
+		ACTION_ALLOW = 1,
+		ACTION_UNPARSEABLE = 2
 	};
 
 	/**
@@ -329,10 +333,6 @@ public:
 	/**
 	 * Match against an Ethernet frame
 	 *
-	 * Note that ACTION_LOG rules do not terminate rule evaluation and
-	 * ACTION_LOG is never returned here as a result. It's primarily for
-	 * debugging and rule testing.
-	 *
 	 * @param _r Runtime environment
 	 * @param etherType Ethernet frame type
 	 * @param frame Ethernet frame data