Document logfile_daemon data format

copied from helpers/log_daemon/file/log_file_daemon.cc

diff --git a/src/cf.data.pre b/src/cf.data.pre
index ee4246d5d8ff611ffde14f7e6167327e7bd60a15..b7300e91a3d6eef561f70eab1449e6d6dbbec9ae 100644 (file)
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -2852,6 +2852,17 @@ LOC: Log::TheConfig.logfile_daemon
 DOC_START
        Specify the path to the logfile-writing daemon. This daemon is
        used to write the access and store logs, if configured.
+
+       Squid sends a number of commands to the log daemon:
+         L<data>\n - logfile data
+         R\n - rotate file
+         T\n - truncate file
+         O\n - repoen file
+         F\n - flush file
+         r<n>\n - set rotate count to <n>
+         b<n>\n - 1 = buffer output, 0 = don't buffer output
+
+       No responses is expected.
 DOC_END
 
 NAME: log_access