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146 lines
3.5 KiB
Perl
146 lines
3.5 KiB
Perl
# -*- cperl -*-
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# Copyright (C) 2004-2006 MySQL AB
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# This is a library file used by the Perl version of mysql-test-run,
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# and is part of the translation of the Bourne shell script with the
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# same name.
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use strict;
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use Socket;
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use Errno;
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use My::Platform;
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use if IS_WINDOWS, "Net::Ping";
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# Ancient perl might not have port_number method for Net::Ping.
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# Check it and use fallback to connect() if it is not present.
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BEGIN
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{
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my $use_netping= 0;
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if (IS_WINDOWS)
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{
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my $ping = Net::Ping->new();
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if ($ping->can("port_number"))
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{
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$use_netping= 1;
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}
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}
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eval 'sub USE_NETPING { $use_netping }';
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}
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sub sleep_until_file_created ($$$);
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sub mtr_ping_port ($);
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sub mtr_ping_port ($) {
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my $port= shift;
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mtr_verbose("mtr_ping_port: $port");
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if (IS_WINDOWS && USE_NETPING)
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{
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# Under Windows, connect to a port that is not open is slow
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# It takes ~1sec. Net::Ping with small timeout is much faster.
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my $ping = Net::Ping->new();
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$ping->port_number($port);
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if ($ping->ping("localhost",0.1))
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{
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mtr_verbose("USED");
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return 1;
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}
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else
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{
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mtr_verbose("FREE");
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return 0;
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}
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}
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my $remote= "localhost";
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my $iaddr= inet_aton($remote);
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if ( ! $iaddr )
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{
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mtr_error("can't find IP number for $remote");
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}
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my $paddr= sockaddr_in($port, $iaddr);
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my $proto= getprotobyname('tcp');
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if ( ! socket(SOCK, PF_INET, SOCK_STREAM, $proto) )
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{
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mtr_error("can't create socket: $!");
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}
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mtr_debug("Pinging server (port: $port)...");
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if ( connect(SOCK, $paddr) )
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{
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close(SOCK); # FIXME check error?
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mtr_verbose("USED");
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return 1;
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}
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else
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{
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mtr_verbose("FREE");
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return 0;
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}
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}
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##############################################################################
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#
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# Wait for a file to be created
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#
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##############################################################################
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# FIXME check that the pidfile contains the expected pid!
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sub sleep_until_file_created ($$$) {
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my $pidfile= shift;
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my $timeout= shift;
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my $proc= shift;
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my $sleeptime= 100; # Milliseconds
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my $loops= ($timeout * 1000) / $sleeptime;
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for ( my $loop= 1; $loop <= $loops; $loop++ )
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{
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if ( -r $pidfile )
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{
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return 1;
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}
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# Check if it died after the fork() was successful
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if ( defined $proc and ! $proc->wait_one(0) )
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{
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mtr_warning("Process $proc died");
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return 0;
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}
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mtr_debug("Sleep $sleeptime milliseconds waiting for $pidfile");
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# Print extra message every 60 seconds
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my $seconds= ($loop * $sleeptime) / 1000;
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if ( $seconds > 1 and int($seconds * 10) % 600 == 0 )
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{
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my $left= $timeout - $seconds;
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mtr_warning("Waited $seconds seconds for $pidfile to be created, " .
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"still waiting for $left seconds...");
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}
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mtr_milli_sleep($sleeptime);
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}
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return 0;
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}
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1;
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