--- loncom/Attic/lonManage 2003/08/12 10:22:35 1.3 +++ loncom/Attic/lonManage 2003/08/12 10:55:42 1.5 @@ -3,9 +3,9 @@ # # lonManage supports remote management of nodes in a LonCAPA cluster. # -# $Id: lonManage,v 1.3 2003/08/12 10:22:35 foxr Exp $ +# $Id: lonManage,v 1.5 2003/08/12 10:55:42 foxr Exp $ # -# $Id: lonManage,v 1.3 2003/08/12 10:22:35 foxr Exp $ +# $Id: lonManage,v 1.5 2003/08/12 10:55:42 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -50,6 +50,12 @@ # not the IP address of the host. # # $Log: lonManage,v $ +# Revision 1.5 2003/08/12 10:55:42 foxr +# Complete command line parsing (tested) +# +# Revision 1.4 2003/08/12 10:40:44 foxr +# Get switch parsing right. +# # Revision 1.3 2003/08/12 10:22:35 foxr # Put in parameter parsing infrastructure # @@ -95,23 +101,94 @@ USAGE # # This function does not validation of the parameters of push and # reinit. +# +# returns a list. The first element of the list is the operation name +# (e.g. reinit or push). The second element is the switch parameter. +# for push, this is the table name, for reinit, this is the process name. +# Additional elements of the list are the command argument. The count of +# command arguments is validated, but not their semantics. +# # returns an empty list if the parse fails. # sub ParseArgs { - return (); + my $pushing = ''; + my $reiniting = ''; + + if(!GetOptions('push=s' => \$pushing, + 'reinit=s' => \$reinitting)) { + return (); + } + + # Require exactly one of --push and --reinit + + my $command = ''; + my $commandarg = ''; + my $paramcount = @ARGV; # Number of additional arguments. + + + if($pushing ne '') { + + # --push takes in addition a table, and a host: + # + if($paramcount != 2) { + print "Bad count $paramcount\n"; + return (); # Invalid parameter count. + } + if($command ne '') { + return (); + } else { + + $command = 'push'; + $commandarg = $pushing; + } + } + + if ($reinitting ne '') { + + # --reinit takes in addition just a host name + + if($paramcount != 1) { + print "Bad count $paramcount\n"; + return (); + } + if($command ne '') { + return (); + } else { + $command = 'reinit'; + $commandarg = $reinitting; + } + } + + # Build the result list: + + my @result = ($command, $commandarg); + my $i; + for($i = 0; $i < $paramcount; $i++) { + push(@result, $ARGV[$i]); + } + + return @result; } # # If command parsing failed, then print usage: -@status = ParseArgs;= +@status = ParseArgs; $nparam = @status; if($nparam == 0) { Usage; + exit -1; +} + +print "---- params ---\n"; +for($i = 0; $i < $nparam; $i++) { + print "Param[$i] = $status[$i]\n"; } +exit 0; + =head1 NAME lonManage - Command line utility for remote management of lonCAPA cluster nodes.