package ftp; # $Id$

use Net::FTP;

use network;
use log;

my %hosts;

1;

sub fromEnv() {
    #- now URLPREFIX is generated from what is given by mdk-stage1 which is only this 4 variables.
    $ENV{URLPREFIX} = "ftp://" . ($ENV{LOGIN} && ("$ENV{LOGIN}" . ($ENV{PASSWORD} && ":$ENV{PASSWORD}") . '@')) .
      "$ENV{HOST}/$ENV{PREFIX}";
    @ENV{qw(HOST PREFIX LOGIN PASSWORD)};
}

sub new {
    my ($host, $prefix, $login, $password) = @_;
    my @l = do { if ($hosts{"$host$prefix"}) {
	@{$hosts{"$host$prefix"}};
    } else {
	my %options = (Passive => 1, Timeout => 60, Port => 21);
	$options{Firewall} = $ENV{PROXY} if $ENV{PROXY};
	$options{Port} = $ENV{PROXYPORT} if $ENV{PROXYPORT};
	unless ($login) {
	    $login = 'anonymous';
	    $password = '-drakx@';
	}

	my $ftp;
	foreach (1..10) {
	    $ftp = Net::FTP->new(network::resolv($host), %options) or die;
	    $ftp && $ftp->login($login, $password) and last;

	    log::l("ftp login failed, sleeping before trying again");
	    sleep 5 * $_;
	}
	$ftp or die "unable to open ftp connection to $host";
	$ftp->binary;
	$ftp->cwd($prefix);

	my @l = ($ftp, \ (my $retr = undef));
	$hosts{"$host$prefix"} = \@l;
	@l;
    }};
    wantarray ? @l : $l[0];
}

sub getFile {
    my ($f, @para) = @_;
    $f eq 'XXX' and rewindGetFile(), return; #- special case to force closing connection.
    foreach (1..3) {
	my ($ftp, $retr) = new(@para ? @para : fromEnv);
	eval { $$retr->close if $$retr };
	$@ and rewindGetFile(); #- in case Timeout got us on "->close"
	$$retr = $ftp->retr($f) and return $$retr;
	($ftp->code == 550) and log::l("FTP: 550 file unavailable"), return;
	rewindGetFile();
	log::l("ftp get failed, sleeping before trying again");
	sleep 1;
    }
}

#-sub closeFiles() {
#-    #- close any existing connections
#-    foreach (values %hosts) {
#-	  my $retr = $_->[1] if ref $_;
#-	  $$retr->close if $$retr;
#-	  undef $$retr;
#-    }
#-}

sub rewindGetFile() {
    #- close any existing connection.
    foreach (values %hosts) {
	my ($ftp, $retr) = @{$_ || []};
	#- don't let Timeout kill us!
	eval { $$retr->close } if $$retr;
	eval { $ftp->close } if $ftp;
    }

    #- make sure to reconnect to server.
    %hosts = ();
}
re/rpm/urpmi/log/t/rpm-v3?h=8.118.2'>log</a><a href='/software/rpm/urpmi/tree/t/rpm-v3?h=8.118.2'>tree</a><a class='active' href='/software/rpm/urpmi/commit/t/rpm-v3?h=8.118.2'>commit</a><a href='/software/rpm/urpmi/diff/t/rpm-v3?h=8.118.2'>diff</a><a href='/software/rpm/urpmi/stats/t/rpm-v3?h=8.118.2'>stats</a></td><td class='form'><form class='right' method='get' action='/software/rpm/urpmi/log/t/rpm-v3'>
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<div class='path'>path: <a href='/software/rpm/urpmi/commit/?h=8.118.2'>root</a>/<a href='/software/rpm/urpmi/commit/t?h=8.118.2'>t</a>/<a href='/software/rpm/urpmi/commit/t/rpm-v3?h=8.118.2'>rpm-v3</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='8.118.2'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Martin Whitaker &lt;mageia@martin-whitaker.me.uk&gt;</td><td class='right'>2019-10-21 17:13:46 +0100</td></tr>
<tr><th>committer</th><td>Martin Whitaker &lt;mageia@martin-whitaker.me.uk&gt;</td><td class='right'>2019-10-21 17:13:46 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='sha1'><a href='/software/rpm/urpmi/commit/t/rpm-v3?h=8.118.2&amp;id=69cc2b36c0a18513d24f2e53bd51bc2615fa69de'>69cc2b36c0a18513d24f2e53bd51bc2615fa69de</a> (<a href='/software/rpm/urpmi/patch/t/rpm-v3?id=69cc2b36c0a18513d24f2e53bd51bc2615fa69de'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='sha1'><a href='/software/rpm/urpmi/tree/?h=8.118.2'>ed841b99f95686f29219a90260b89aa902942b99</a> /<a href='/software/rpm/urpmi/tree/t/rpm-v3?h=8.118.2'>t/rpm-v3</a></td></tr>
<tr><th>parent</th><td colspan='2' class='sha1'><a href='/software/rpm/urpmi/commit/t/rpm-v3?h=8.118.2&amp;id=64bb8dbff19ea55b772912686817fc15e9253e13'>64bb8dbff19ea55b772912686817fc15e9253e13</a> (<a href='/software/rpm/urpmi/diff/t/rpm-v3?h=8.118.2&amp;id2=64bb8dbff19ea55b772912686817fc15e9253e13'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='sha1'><a href='/software/rpm/urpmi/snapshot/urpmi-8.118.2.tar'>urpmi-8.118.2.tar</a><br/><a href='/software/rpm/urpmi/snapshot/urpmi-8.118.2.tar.gz'>urpmi-8.118.2.tar.gz</a><br/><a href='/software/rpm/urpmi/snapshot/urpmi-8.118.2.tar.bz2'>urpmi-8.118.2.tar.bz2</a><br/><a href='/software/rpm/urpmi/snapshot/urpmi-8.118.2.tar.xz'>urpmi-8.118.2.tar.xz</a><br/><a href='/software/rpm/urpmi/snapshot/urpmi-8.118.2.zip'>urpmi-8.118.2.zip</a><br/></td></tr></table>
<div class='commit-subject'>8.118.2<span class='decoration'><a class='tag-deco' href='/software/rpm/urpmi/tag/?h=8.118.2'>8.118.2</a><a class='branch-deco' href='/software/rpm/urpmi/log/t/rpm-v3?h=distro/mga7'>distro/mga7</a></span></div><div class='commit-msg'></div><div class='diffstat-header'><a href='/software/rpm/urpmi/diff/?h=8.118.2'>Diffstat</a> (limited to 't/rpm-v3')</div><table summary='diffstat' class='diffstat'>