You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.1 KiB
99 lines
2.1 KiB
##
|
|
## Package to read/write on ASCII data connections
|
|
##
|
|
|
|
package Net::FTP::A;
|
|
use strict;
|
|
use vars qw(@ISA $buf $VERSION);
|
|
use Carp;
|
|
|
|
require Net::FTP::dataconn;
|
|
|
|
@ISA = qw(Net::FTP::dataconn);
|
|
$VERSION = "1.13"; # $Id: //depot/libnet/Net/FTP/A.pm#9 $
|
|
|
|
sub read {
|
|
my $data = shift;
|
|
local *buf = \$_[0]; shift;
|
|
my $size = shift || croak 'read($buf,$size,[$offset])';
|
|
my $timeout = @_ ? shift : $data->timeout;
|
|
|
|
if (length(${*$data}) < $size && !${*$data}{'net_ftp_eof'}) {
|
|
my $blksize = ${*$data}{'net_ftp_blksize'};
|
|
$blksize = $size if $size > $blksize;
|
|
|
|
my $l = 0;
|
|
my $n;
|
|
|
|
READ:
|
|
{
|
|
my $readbuf = defined(${*$data}{'net_ftp_cr'}) ? "\015" : '';
|
|
|
|
$data->can_read($timeout) or
|
|
croak "Timeout";
|
|
|
|
if ($n = sysread($data, $readbuf, $blksize, length $readbuf)) {
|
|
${*$data}{'net_ftp_bytesread'} += $n;
|
|
${*$data}{'net_ftp_cr'} = substr($readbuf,-1) eq "\015"
|
|
? chop($readbuf)
|
|
: undef;
|
|
}
|
|
else {
|
|
return undef
|
|
unless defined $n;
|
|
|
|
${*$data}{'net_ftp_eof'} = 1;
|
|
}
|
|
|
|
$readbuf =~ s/\015\012/\n/sgo;
|
|
${*$data} .= $readbuf;
|
|
|
|
unless (length(${*$data})) {
|
|
|
|
redo READ
|
|
if($n > 0);
|
|
|
|
$size = length(${*$data})
|
|
if($n == 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
$buf = substr(${*$data},0,$size);
|
|
substr(${*$data},0,$size) = '';
|
|
|
|
length $buf;
|
|
}
|
|
|
|
sub write {
|
|
my $data = shift;
|
|
local *buf = \$_[0]; shift;
|
|
my $size = shift || croak 'write($buf,$size,[$timeout])';
|
|
my $timeout = @_ ? shift : $data->timeout;
|
|
|
|
$data->can_write($timeout) or
|
|
croak "Timeout";
|
|
|
|
(my $tmp = substr($buf,0,$size)) =~ s/\n/\015\012/sg;
|
|
|
|
# If the remote server has closed the connection we will be signal'd
|
|
# when we write. This can happen if the disk on the remote server fills up
|
|
|
|
local $SIG{PIPE} = 'IGNORE';
|
|
|
|
my $len = length($tmp);
|
|
my $off = 0;
|
|
my $wrote = 0;
|
|
|
|
while($len) {
|
|
$off += $wrote;
|
|
$wrote = syswrite($data, substr($tmp,$off), $len);
|
|
return undef
|
|
unless defined($wrote);
|
|
$len -= $wrote;
|
|
}
|
|
|
|
$size;
|
|
}
|
|
|
|
1;
|