From 2d83c50d039733a2b6681a9f387d906c059d8997 Mon Sep 17 00:00:00 2001
From: Stephen L Johnson <sjohnson@monsters.org>
Date: Tue, 14 Mar 2000 21:25:59 +0000
Subject: [PATCH] convert parameter handling to use Getopt::Long and converted
 debug() and error() to use Spong::Log

---
 src/spong-client.pl | 105 ++++++++++++++++++++++++++++----------------
 1 file changed, 68 insertions(+), 37 deletions(-)

diff --git a/src/spong-client.pl b/src/spong-client.pl
index f41c3c3..9d3b0b9 100755
--- a/src/spong-client.pl
+++ b/src/spong-client.pl
@@ -17,17 +17,31 @@ use lib '@@LIBDIR@@';
 use Sys::Hostname;
 use Socket;
 use POSIX;
+use Getopt::Long;
 
 use Spong::Daemon;
 use Spong::Status qw(status);
+use Spong::Log;
 
 srand( time() ^ ($$ + ($$ << 15 )) );
 
-if( $ARGV[0] eq "--debug" )   { $debug = 1;   shift; }
-if( $ARGV[0] eq "--restart" ) { $restart = 1; shift; }
-if( $ARGV[0] eq "--kill" )    { $kill = 1;    shift; }
-if( $ARGV[0] eq "--nosleep" ) { $nosleep = 1; shift; }
-if( $ARGV[0] eq "--refresh" ) { $nosleep = 1; shift; }
+$debug = $restart = $kill = $nosleep = 0;
+
+Getopt::Long::Configure('pass_through');
+if ( ! GetOptions("debug:i" => \$debuglevel, "restart" => \$restart, 
+          "kill" => \$kill, "nosleep|refresh" => \$nosleep ) ) {
+   &usage();
+   exit 1;
+}
+
+#if( $ARGV[0] eq "--debug" )   { $debug = 1;   shift; }
+#if( $ARGV[0] eq "--restart" ) { $restart = 1; shift; }
+#if( $ARGV[0] eq "--kill" )    { $kill = 1;    shift; }
+#if( $ARGV[0] eq "--nosleep" ) { $nosleep = 1; shift; }
+#if( $ARGV[0] eq "--refresh" ) { $nosleep = 1; shift; }
+
+# Initial debugging for preconfiguration debugging
+Spong::Log::set_debug_context( 'debuglevel' => $debuglevel );
 
 $me        = "@@BINDIR@@/spong-client";
 $conf_file = $ARGV[0] || "@@ETCDIR@@/spong.conf";
@@ -37,6 +51,7 @@ $HOST      =~ tr/A-Z/a-z/;
 $CHECKS = "";
 
 &load_config_files(); # Loads the user specified configuration information
+&init_logging();      # Initialize logging contexts
 Spong::Daemon::Daemonize  # Daemonize if not signalling or debugging
   unless ($restart || $kill || $nosleep || $debug); 
 &handle_signals();    # Set up handlers, and signal the current server if asked
@@ -73,11 +88,56 @@ unlink( "$SPONGTMP/spong-client.pid" ) unless $nosleep;
 exit(0);
 
 
-
 # ===========================================================================
 # Utility functions, and signal handlers...
 # ===========================================================================
 
+sub usage {
+
+   print qq
+(Usage:
+   $0  [--debug n] [--nosleep|--refresh] [config_file]
+   $0  --kill | --restart
+
+   --debug n
+         Run in the foreround and print debugging output
+   --nosleep
+   --refresh
+         Run one cycle of checks in the foreground and exit
+   --restart
+         Signal a running spong-client to restart.
+   --kill
+         Signal a running spong-client to terminate.
+   config_file
+         Use the named file as the configuration file
+);
+     
+}
+
+
+# This function initializes the debug and error logging contexts in the 
+# Log module.
+
+sub init_logging {
+   if (defined $debuglevel) {
+      $debug = ($debuglevel == 0) ? 1 : $debuglevel
+   }
+
+   Spong::Log::set_debug_context( 'debuglevel' => $debug );
+
+   my $filename = ($SPONG_LOG_FILE) ? "$SPONGTMP/spong-client.log" : "";
+   my $syslog = ($SPONG_LOG_SYSLOG) ? 1 : 0;
+
+   Spong::Log::set_error_context(  syslog   => $syslog,
+                                   ident    => 'spong-client',
+                                   logopt   => 'pid cons',
+                                   priority => 'ERR',
+                                   filename => $filename,
+                                 );
+
+}
+
+
 # Load our configuration variables, including anything specific to the host
 # that we are running on.
 
@@ -138,37 +198,8 @@ sub handle_signals {
 
 # Output functions, one for debugging information, the other for errors.
 
-sub debug { print scalar localtime, " ", $_[0], "\n" if $main::debug; }
-sub error { warn scalar localtime(), " Error: ", $_[0], "\n"; }
-
-
-# Fork from the parent and become a daemon
-sub daemonize {
-
-   my( $pid );
-
-   # Try to fork
-   $pid = fork();
-   if (! defined $pid) {
-      die "ERROR: Could not fork: $!";
-   } elsif ($pid) {
-      # I'm the parent, so just exit gracefully
-      exit(0);
-   } else {
-      # I'm the child
-
-      # If we are not debuging, disconnect from the console
-      if ( ! $debug ) {
-         open(STDIN,"</dev/null");
-         open(STDOUT,">/dev/null");
-         open(STDERR,">/dev/null");
-      }
-
-      # Become session group leader
-      POSIX::setsid();
-   }
-}
-
+sub debug { Spong::Log::debug($_[0],$_[1]); }
+sub error { Spong::Log::error($_[0]); }
 
 # Signal handlers...
 
-- 
2.30.2