Add documentation for ipblocklist

ipblocklist/init.go

@@ -1,8 +1,18 @@
+// Package ipblocklist contains default implementation of the
+// IPBlocklist for mtg.
+//
+// Please check documentation for mtglib.IPBlocklist interface to get an
+// idea of this abstraction.
 package ipblocklist
 
 import "time"
 
 const (
-	DefaultDownloadConcurrency = 1
-	DefaultUpdateEach          = 12 * time.Hour
+	// DefaultFireholDownloadConcurrency defines a default max number of
+	// concurrent downloads of ip blocklists for Firehol.
+	DefaultFireholDownloadConcurrency = 1
+
+	// DefaultFireholUpdateEach defines a default time period when
+	// Firehol requests updates of the blocklists.
+	DefaultFireholUpdateEach = 6 * time.Hour
 )