NAME
MogileFS::Client::Callback
SYNOPSIS
my $mogfs = MogileFS::Client::Callback->new( ... )
my $f = $mogfs->store_file_from_callback($class, $length, \%opts);
$f->($data, 0);
$f->("", 1); # indicate EOF
DESCRIPTION
This package inherits from MogileFS::Client::Async and provides an additional blocking API in which the data you wish to upload is supplied to a callback function, allowing other processing to take place on data as you read it from disc or elsewhere.