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Bug #44530 mtr v2 startup very slow on Windows.

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MTR is stuck for about 20 seconds checking for free ports.
The reason is that perl's connect()  takes 1 second on windows
if port is not opened.

This patch fixes the mtr_ping_port implementation on Windows
to use Net::Ping for the port checking with small (0.1sec) timeout.

This patch also removes pointless second call to check_ports_free() 
in case of auto build thread.
This commit is contained in:
Vladislav Vaintroub
2009-04-28 23:06:36 +02:00
parent 361fa97258
commit 24e7fb05b5
2 changed files with 26 additions and 5 deletions
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22
mysql-test/lib/mtr_process.pl
View File

@ -21,6 +21,9 @@
use strict; use strict;
use Socket; use Socket;
use Errno; use Errno;
use My::Platform;
use if IS_WINDOWS, "Net::Ping";
sub sleep_until_file_created ($$$); sub sleep_until_file_created ($$$);
sub mtr_ping_port ($); sub mtr_ping_port ($);
@ -30,6 +33,25 @@ sub mtr_ping_port ($) {
mtr_verbose("mtr_ping_port: $port"); mtr_verbose("mtr_ping_port: $port");
if (IS_WINDOWS)
{
# 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 $remote= "localhost";
my $iaddr= inet_aton($remote); my $iaddr= inet_aton($remote);
if ( ! $iaddr ) if ( ! $iaddr )

9
mysql-test/mysql-test-run.pl
View File

@ -1344,14 +1344,13 @@ sub set_build_thread_ports($) {
else else
{ {
$build_thread = $opt_build_thread + $thread - 1; $build_thread = $opt_build_thread + $thread - 1;
if (! check_ports_free($build_thread)) {
# Some port was not free(which one has already been printed)
mtr_error("Some port(s) was not free")
}
} }
$ENV{MTR_BUILD_THREAD}= $build_thread; $ENV{MTR_BUILD_THREAD}= $build_thread;
if (! check_ports_free($build_thread)) {
# Some port was not free(which one has already been printed)
mtr_error("Some port(s) was not free")
}
# Calculate baseport # Calculate baseport
$baseport= $build_thread * 10 + 10000; $baseport= $build_thread * 10 + 10000;
if ( $baseport < 5001 or $baseport + 9 >= 32767 ) if ( $baseport < 5001 or $baseport + 9 >= 32767 )