59 lines
1.3 KiB
Plaintext
59 lines
1.3 KiB
Plaintext
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#!/usr/bin/perl
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# Copyright 2022 XiCoN-FJS- @ fjs@xicon.de
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#
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# Version: 0.1 (2022-12-29)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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use strict;
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use warnings;
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use IO::Socket;
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use IO::Socket::IP;
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sub usage_die()
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{
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die "Usage: ".$0." <host> <port>\n";
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}
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my ($host, $port) = @ARGV;
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if (not defined $host)
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{
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usage_die();
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}
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if (not defined $port)
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{
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usage_die();
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}
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# prepare the TCP connection
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my $mysql_sock = IO::Socket::IP->new(
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Proto => 'tcp',
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PeerAddr => $host,
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PeerPort => $port,
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Timeout => 5,
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) or die "Could not create socket: $!";
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# waiting for an answer
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my ($datagram,$flags);
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$mysql_sock->recv($datagram,32,$flags);
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# extract the version string
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my ($line1,$line2) = split("\n",$datagram);
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die("Couldn't extract version of mysql from ".$host.":".$port) if !defined $line2;
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my ($mysql_version) = $line2 =~/^(\d+\.\d+\.\d+)/;
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print $mysql_version."\n";
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