We use Net::Ping twice in pve-storage (once for ISCSIPlugin
and once in GlusterfsPlugin, both with the 'tcp' variant.),
but Net::Ping doesn't support IPv6.
use PVE::ProcFSTools;
use PVE::INotify;
use File::Basename;
use PVE::ProcFSTools;
use PVE::INotify;
use File::Basename;
+use IO::Socket::IP;
+use POSIX qw(ECONNREFUSED);
# host network related utility functions
# host network related utility functions
+sub tcp_ping {
+ my ($host, $port, $timeout) = @_;
+
+ my $refused = 1;
+
+ $timeout = 3 if !$timeout; # sane default
+ if (!$port) {
+ # Net::Ping defaults to the echo port
+ $port = 7;
+ } else {
+ # Net::Ping's port_number() implies service_check(1)
+ $refused = 0;
+ }
+
+ my ($sock, $result);
+ eval {
+ $result = PVE::Tools::run_with_timeout($timeout, sub {
+ $sock = IO::Socket::IP->new(PeerHost => $host, PeerPort => $port, Type => SOCK_STREAM);
+ $result = $refused if $! == ECONNREFUSED;
+ });
+ };
+ if ($sock) {
+ $sock->close();
+ $result = 1;
+ }
+ return $result;
+}
+