Source code of Windows XP (NT5)
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71 lines
2.2 KiB

#!perl
#
# gethname.pl
#
# write %temp%\_hname.cmd that when called, will set env. var HOSTNAME with
# either the node name or the cluster mgmt name
#
# get the node's name; stuff it in $hname as the default in case any of the other
# stuff fails.
$our_hostname = $ENV{COMPUTERNAME};
$hname = $our_hostname;
# get the list of cluster resources and their hosting node
$resources_cmd = "cluster res \"cluster name\" | ";
if (open( RESLIST, $resources_cmd )) {
while ($line = <RESLIST>) {
chomp( $line );
# print "line:", $line, "\n";
if ( $line =~ /\s*System error\s*/ ) {
# something bad happened; use COMPUTERNAME
print STDERR "cluster.exe returned an error: ", $line, "\n";
last;
}
# looking for:
# Cluster Name <Group Name> <node name> Online
#
# group name can have any number of white spaces in between
# the words so we'll key off of "Cluster Name" which can't
# change and "Online". If the name is offline, then we'll use
# COMPUTERNAME
if ( $line =~ /^cluster name\s+.+\s+(\S+)\s+Online\s*$/ ) {
$hosting_node = $1;
print "Cluster name online at ", $hosting_node, "\n";
# found the name and it is online. now dump its properties to
# get the actual name
if ( open( RESPROPS, "cluster res \"cluster name\" /priv | " )) {
while ( $propline = <RESPROPS> ) {
chomp( $propline );
if ( $propline =~ /^S\s+cluster name\s+Name\s+(\S+)\s*$/ ) {
$hname = $1;
print "cluster name is: ", $hname, "\n";
last;
}
}
close( RESPROPS );
}
last;
}
}
# see if we found something
if ( !$hosting_node ) {
print "Cluster name doesn't appear to be online\n";
}
} else {
print STDERR "Cluster.exe command failed\n";
}
close( RESLIST );
# write hostname to cmd file
if ( open( CMDFILE, ">$ENV{TEMP}\\_hname.cmd" )) {
print CMDFILE "set HOSTNAME=", $hname, "\n";
close( CMDFILE );
} else {
print "Can't open:", $ENV{TEMP}, "\\_hname.cmd\n";
}