曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.かつては雑草やヨモギと共に雨や露を分かち合っていたが、今では松やヒノキと共に霜や雪に耐えている。曾与蒿藜同雨露,Once sharing rain and dew with weeds and wormwood, now enduring frost and snow with pines and cypresses.终随松柏到冰霜.曾与蒿藜同雨露한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.,终随松柏到冰霜.譖セ荳手珍阯懷酔髮ィ髴イ�檎サ磯囂譚セ譟丞芦蜀ー髴�曾与蒿藜同雨露,鏇句笌钂胯棞鍚岄洦闇诧紝缁堥殢鏉炬煆鍒板啺闇�终随松柏到冰霜.曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.曾与蒿藜同雨露,终随松柏到冰霜.
##
## Generic data connection package
##
package Net::FTP::dataconn;
use Carp;
use vars qw(@ISA $timeout $VERSION);
use Net::Cmd;
use Errno;
$VERSION = '0.11';
@ISA = qw(IO::Socket::INET);
sub reading {
my $data = shift;
${*$data}{'net_ftp_bytesread'} = 0;
}
sub abort {
my $data = shift;
my $ftp = ${*$data}{'net_ftp_cmd'};
# no need to abort if we have finished the xfer
return $data->close
if ${*$data}{'net_ftp_eof'};
# for some reason if we continously open RETR connections and not
# read a single byte, then abort them after a while the server will
# close our connection, this prevents the unexpected EOF on the
# command channel -- GMB
if (exists ${*$data}{'net_ftp_bytesread'}
&& (${*$data}{'net_ftp_bytesread'} == 0))
{
my $buf = "";
my $timeout = $data->timeout;
$data->can_read($timeout) && sysread($data, $buf, 1);
}
${*$data}{'net_ftp_eof'} = 1; # fake
$ftp->abort; # this will close me
}
sub _close {
my $data = shift;
my $ftp = ${*$data}{'net_ftp_cmd'};
$data->SUPER::close();
delete ${*$ftp}{'net_ftp_dataconn'}
if exists ${*$ftp}{'net_ftp_dataconn'}
&& $data == ${*$ftp}{'net_ftp_dataconn'};
}
sub close {
my $data = shift;
my $ftp = ${*$data}{'net_ftp_cmd'};
if (exists ${*$data}{'net_ftp_bytesread'} && !${*$data}{'net_ftp_eof'}) {
my $junk;
eval { local($SIG{__DIE__}); $data->read($junk, 1, 0) };
return $data->abort unless ${*$data}{'net_ftp_eof'};
}
$data->_close;
$ftp->response() == CMD_OK
&& $ftp->message =~ /unique file name:\s*(\S*)\s*\)/
&& (${*$ftp}{'net_ftp_unique'} = $1);
$ftp->status == CMD_OK;
}
sub _select {
my ($data, $timeout, $do_read) = @_;
my ($rin, $rout, $win, $wout, $tout, $nfound);
vec($rin = '', fileno($data), 1) = 1;
($win, $rin) = ($rin, $win) unless $do_read;
while (1) {
$nfound = select($rout = $rin, $wout = $win, undef, $tout = $timeout);
last if $nfound >= 0;
croak "select: $!"
unless $!{EINTR};
}
$nfound;
}
sub can_read {
_select(@_[0, 1], 1);
}
sub can_write {
_select(@_[0, 1], 0);
}
sub cmd {
my $ftp = shift;
${*$ftp}{'net_ftp_cmd'};
}
sub bytes_read {
my $ftp = shift;
${*$ftp}{'net_ftp_bytesread'} || 0;
}
1;