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# -*- cperl -*-
# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# This is a library file used by the Perl version of mysql-test-run,
# and is part of the translation of the Bourne shell script with the
# same name.
use strict;
use Socket;
use Errno;
use My::Platform;
use if IS_WINDOWS, "Net::Ping";
# Ancient perl might not have port_number method for Net::Ping.
# Check it and use fallback to connect() if it is not present.
BEGIN
{
my $use_netping= 0;
if (IS_WINDOWS)
{
my $ping = Net::Ping->new();
if ($ping->can("port_number"))
{
$use_netping= 1;
}
}
eval 'sub USE_NETPING { $use_netping }';
}
sub sleep_until_file_created ($$$);
sub mtr_ping_port ($);
sub mtr_ping_port ($) {
my $port= shift;
mtr_verbose("mtr_ping_port: $port");
if (IS_WINDOWS && USE_NETPING)
{
# Under Windows, connect to a port that is not open is slow
# It takes ~1sec. Net::Ping with small timeout is much faster.
my $ping = Net::Ping->new();
$ping->port_number($port);
if ($ping->ping("localhost",0.1))
{
mtr_verbose("USED");
return 1;
}
else
{
mtr_verbose("FREE");
return 0;
}
}
my $remote= "localhost";
my $iaddr= inet_aton($remote);
if ( ! $iaddr )
{
mtr_error("can't find IP number for $remote");
}
my $paddr= sockaddr_in($port, $iaddr);
my $proto= getprotobyname('tcp');
if ( ! socket(SOCK, PF_INET, SOCK_STREAM, $proto) )
{
mtr_error("can't create socket: $!");
}
mtr_debug("Pinging server (port: $port)...");
if ( connect(SOCK, $paddr) )
{
close(SOCK); # FIXME check error?
mtr_verbose("USED");
return 1;
}
else
{
mtr_verbose("FREE");
return 0;
}
}
##############################################################################
#
# Wait for a file to be created
#
##############################################################################
# FIXME check that the pidfile contains the expected pid!
sub sleep_until_file_created ($$$) {
my $pidfile= shift;
my $timeout= shift;
my $proc= shift;
my $sleeptime= 100; # Milliseconds
my $loops= ($timeout * 1000) / $sleeptime;
for ( my $loop= 1; $loop <= $loops; $loop++ )
{
if ( -r $pidfile )
{
return 1;
}
# Check if it died after the fork() was successful
if ( defined $proc and ! $proc->wait_one(0) )
{
mtr_warning("Process $proc died");
return 0;
}
mtr_debug("Sleep $sleeptime milliseconds waiting for $pidfile");
# Print extra message every 60 seconds
my $seconds= ($loop * $sleeptime) / 1000;
if ( $seconds > 1 and int($seconds * 10) % 600 == 0 )
{
my $left= $timeout - $seconds;
mtr_warning("Waited $seconds seconds for $pidfile to be created, " .
"still waiting for $left seconds...");
}
mtr_milli_sleep($sleeptime);
}
return 0;
}
1;
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