2025-04-27 07:49:33 -04:00

59 lines
1.2 KiB
Perl

##
## Package to read/write on BINARY data connections
##
package Net::FTP::I;
use vars qw(@ISA $buf $VERSION);
use Carp;
require Net::FTP::dataconn;
@ISA = qw(Net::FTP::dataconn);
$VERSION = sprintf("1.%02d",(q$Id: //depot/libnet/Net/FTP/I.pm#5$ =~ /#(\d+)/)[0]);
sub read
{
my $data = shift;
local *buf = \$_[0]; shift;
my $size = shift || croak 'read($buf,$size,[$timeout])';
my $timeout = @_ ? shift : $data->timeout;
$data->can_read($timeout) or
croak "Timeout";
my $n = sysread($data, $buf, $size);
${*$data}{'net_ftp_bytesread'} += $n if $n > 0;
${*$data}{'net_ftp_eof'} = 1 unless $n;
$n;
}
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";
# 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 $sent = $size;
my $off = 0;
while($sent > 0) {
my $n = syswrite($data, $buf, $sent,$off);
return $n if $n < 0;
$sent -= $n;
$off += $n;
}
$size;
}
1;