Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/share/doc/libsys-virt-perl/examples/

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#!/usr/bin/perl

use strict;
use warnings;

use Sys::Virt;


my $c = Sys::Virt->new(uri => "qemu:///session");

my $st = $c->new_stream();

die "syntax: $0 VOL-PATH OUTPUT-FILE" unless int(@ARGV) == 2;

my $volpath = shift @ARGV;
my $f = shift @ARGV;

my $vol = $c->get_storage_volume_by_path($volpath);

open FILE, ">$f" or die "cannot create $f: $!";

sub foo {
	my $st = shift;
	my $data = shift;
	my $nbytes = shift;
	return syswrite FILE, $data, $nbytes;
};

eval {
    $vol->download($st, 0, 0);
    $st->recv_all(\&foo);

    $st->finish();
};
if ($@) {
    unlink $f if $@;
    close FILE;
    die $@;
}
close FILE or die "cannot save $f: $!";