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--- dns_balance.rb.orig Fri Dec 22 12:46:39 2000
+++ dns_balance.rb Mon Mar 5 16:59:36 2001
@@ -10,6 +10,8 @@
require 'thread'
require 'getopts'
+$:.unshift "!!PREFIX!!/etc/dns_balance", "!!PREFIX!!/lib/dns_balance"
+
require 'datatype.rb'
require 'log_writer.rb'
require 'util.rb'
@@ -138,9 +140,10 @@
end
def usage()
- print "Usage: ruby dns_balance.rb [-lh] [-i ipaddr]\n"
- print " -l print log to stdout\n"
+ print "Usage: dns_balance [-h] [-i ipaddr] [-l logfile] [-p pidfile]\n"
+ print " -l logfile print log to logfile\n"
print " -i ipaddr listen IP address (default:0.0.0.0)\n"
+ print " -p pidfile record PID in pidfile\n"
print " -h help message\n"
exit(111)
end
@@ -149,9 +152,36 @@
# main
srand()
-getopts("lh", "i:0.0.0.0")
+getopts("h", "i:0.0.0.0", 'l:', 'p:')
usage() if $OPT_h
+
+exit! if fork
+Process::setsid
+exit! if fork
+STDIN.close
+STDOUT.close
+STDERR.close
+
+$pidfile = nil
+if $OPT_p
+ $pidfile = $OPT_p
+ File::open($pidfile, 'w') { |f| f.puts $$ }
+end
+
+$logout = nil
+if $OPT_l
+ $logout = File::open($OPT_l, 'a+')
+ $logout.sync = true
+end
+
+[0, 2, 3, 5, 10, 13, 15].each do |sig|
+ trap(sig) {
+ File::unlink($pidfile) if $pidfile
+ $logout.close if $logout
+ exit
+ }
+end
put_log("start\n") if $OPT_l
|
