vSphere SDK for Perl Programming Guide - Documentation - VMware

vSphere SDK for Perl Programming Guide
# Disconnect on receipt of an interrupt signal while in the infinite loop below.
$SIG{INT} = sub { Util::disconnect();
exit;
};
while (1) {
$log = $diagMgr->BrowseDiagnosticLog(
key => "hostd",
start => $start);
if ($log->lineStart != 0) {
foreach my $line (@{$log->lineText}) {
# next if ($line =~ /verbose\]/);
print "$line\n";
}
}
$start = $log->lineEnd + 1;
sleep 2;
}
Understanding Perl View Objects
A view is a client‐side Perl object populated with the state of one or more server‐side managed objects by the
vSphere SDK for Perl. A view object has the following characteristics:
Is a static copy of a server‐side managed object and includes properties and methods that correspond to
the properties and operations of the server‐side managed object.
Must be explicitly updated when the object on the server changes. See “Updating View Objects” on
page 32.
Has properties that correspond to properties of server‐side managed objects as follows:
For each simple property (string, Boolean, numeric data type), including inherited simple properties,
the SDK creates an accessor method. The accessor method name is the same as the property name.
Arrays of properties become arrays of properties of the same name.
Includes these methods:
An accessor method for each managed object property. The vSphere SDK for Perl provides accessors
for any property, regardless of its depth inside a composite object structure.
A blocking and a non‐blocking method for each (non‐blocking) operation provided by the server‐side
managed object. See “Non‐Blocking and Blocking Methods” on page 31.
A method that updates the state of any client‐side view object with current data from the server. See
“Updating View Objects” on page 32.
The vSphere SDK for Perl simplifies programming as follows:
Provides a _this parameter to reference the object on which a method is run, if needed.
Allows you to pass a view object as a parameter to methods that take managed object references as
required parameter. The SDK converts the view object to the corresponding managed object.
28 VMware, Inc.