new module and some tweaks

mod/network

@@ -16,25 +16,24 @@ class Network < Worker
 		hosts = @my_config['hosts']
 
 		net_fail = 0
-		i,o,t = Open3.popen2("fping", *hosts)
-		t.join
+		Open3.popen2("fping", *hosts) {|i,o,t|
+			net_ok = o.each_line.count
 
-		net_ok = o.each_line.count
+			if net_ok == hosts.count
+				status = "ok"
+				fg_colour = @my_config['ok_colour']
+			elsif net_ok == 0
+				status = "CRIT: all hosts failed!"
+				fg_colour = @my_config['crit_colour']
+			else
+				status = "WARN: #{net_ok} host(s) failed"
+				fg_colour = @my_config['warn_colour']
+			end
 
-		i.close; o.close
+			@rstr = "%{F#{fg_colour}}#{status}%{F-}"
+		}
 
-		if net_ok == hosts.count
-			status = "ok"
-			fg_colour = @my_config['ok_colour']
-		elsif net_ok == 0
-			status = "CRIT: all hosts failed!"
-			fg_colour = @my_config['crit_colour']
-		else
-			status = "WARN: #{net_ok} host(s) failed"
-			fg_colour = @my_config['warn_colour']
-		end
-
-		return "%{F#{fg_colour}}#{status}%{F-}"
+		return @rstr
 	end
 end