[2393] | 1 | #!/usr/bin/perl -w
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| 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # ping.pl --
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| 6 | # A component of the Greenstone digital library software
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| 7 | # from the New Zealand Digital Library Project at the
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| 8 | # University of Waikato, New Zealand.
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| 9 | #
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| 10 | # Copyright (C) 2001 New Zealand Digital Library Project
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or modify
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| 13 | # it under the terms of the GNU General Public License as published by
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| 14 | # the Free Software Foundation; either version 2 of the License, or
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| 15 | # (at your option) any later version.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful,
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| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | # GNU General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, write to the Free Software
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| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | #
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| 26 | ###########################################################################
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| 27 |
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| 28 |
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| 29 | BEGIN {
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| 30 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 31 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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[2411] | 32 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/Ping");
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[2393] | 33 | }
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| 34 |
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| 35 |
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[2410] | 36 | require LWP::UserAgent;
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[2393] | 37 | use parsargv;
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| 38 |
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| 39 | &main();
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| 40 |
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| 41 | sub print_usage {
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| 42 | print STDERR "\n";
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| 43 | print STDERR "ping.pl: Ping http or ftp URL to see if it's accessable.\n\n";
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| 44 | print STDERR " usage: $0 [options] URL\n\n";
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| 45 | print STDERR " options:\n";
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| 46 | print STDERR " -quiet Quiet operation\n\n";
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| 47 | }
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| 48 |
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| 49 | sub main {
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| 50 |
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| 51 | my ($quiet);
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| 52 | if (!parsargv::parse(\@ARGV, 'quiet', \$quiet)) {
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| 53 | &print_usage();
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| 54 | die "\n";
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| 55 | }
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| 56 |
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| 57 | if (!scalar(@ARGV)) {
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| 58 | print STDERR "ERROR: no URL was provided\n";
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| 59 | die "\n";
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| 60 | }
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| 61 |
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[2410] | 62 | $ua = new LWP::UserAgent;
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| 63 | $ua->timeout(60);
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| 64 | $request = new HTTP::Request('HEAD', $ARGV[0]);
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| 65 | $response = $ua->request($request);
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| 66 |
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| 67 | if ($response->is_success) {
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[2393] | 68 | print STDERR "$ARGV[0] ping succeeded\n" unless $quiet;
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| 69 | exit 0;
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| 70 | } else {
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| 71 | print STDERR "$ARGV[0] ping failed\n" unless $quiet;
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| 72 | exit 1;
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| 73 | }
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| 74 | }
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