Merge pull request #2 from uwe111/uwe111-patch-2

add an external logfilter to improve stability

cuxchart/ajax/log.cgi

@@ -4,11 +4,14 @@
 #
 # Dieses Script gibt eine Log-Datei aus
 #
-# Pfad+Dateiname werden über den Parameter "logfile" übergeben
+# Pfad+Dateiname werden über den Parameter "logfile" übergeben
 #
 # 5'2013 hobbyquaker https://github.com/hobbyquaker
+# 2'2015 Uwe Langhammer ulangham@gmx.de
 #
 
+set logfilter "/usr/local/addons/cuxd/extra/logfilter"
+
 catch {
   set input $env(QUERY_STRING)
   set pairs [split $input &]
@@ -22,17 +25,18 @@ catch {
 puts "Content-Type: text/plain;Charset=ISO-8859-1"
 puts "Access-Control-Allow-Origin: *"
 if {[info exists cache]} {
-    puts "Cache-Control: public, max-age=31536000"
+  puts "Cache-Control: public, max-age=31536000"
 } else {
-    puts "Cache-Control: no-cache, max-age=0"
+  puts "Cache-Control: no-cache, max-age=0"
 }
 puts ""
 
-
-
 if {[info exists logfile]} {
+  if {[file isfile $logfilter]} {
+    puts -nonewline [exec $logfilter $logfile]
+  } else {
     set fp [open $logfile r]
-    set log_data [read $fp]
+    puts -nonewline [read $fp]
     close $fp
-    puts -nonewline $log_data
-}
+  }
+}