1N/A## $Id: //depot/libnet/Net/FTP/A.pm#17 $
1N/A## Package to read/write on ASCII data connections
1N/A##
1N/A
1N/Apackage Net::FTP::A;
1N/Ause strict;
1N/Ause vars qw(@ISA $buf $VERSION);
1N/Ause Carp;
1N/A
1N/Arequire Net::FTP::dataconn;
1N/A
1N/A@ISA = qw(Net::FTP::dataconn);
1N/A$VERSION = "1.16";
1N/A
1N/Asub read {
1N/A my $data = shift;
1N/A local *buf = \$_[0]; shift;
1N/A my $size = shift || croak 'read($buf,$size,[$offset])';
1N/A my $timeout = @_ ? shift : $data->timeout;
1N/A
1N/A if (length(${*$data}) < $size && !${*$data}{'net_ftp_eof'}) {
1N/A my $blksize = ${*$data}{'net_ftp_blksize'};
1N/A $blksize = $size if $size > $blksize;
1N/A
1N/A my $l = 0;
1N/A my $n;
1N/A
1N/A READ:
1N/A {
1N/A my $readbuf = defined(${*$data}{'net_ftp_cr'}) ? "\015" : '';
1N/A
1N/A $data->can_read($timeout) or
1N/A croak "Timeout";
1N/A
1N/A if ($n = sysread($data, $readbuf, $blksize, length $readbuf)) {
1N/A ${*$data}{'net_ftp_bytesread'} += $n;
1N/A ${*$data}{'net_ftp_cr'} = substr($readbuf,-1) eq "\015"
1N/A ? chop($readbuf)
1N/A : undef;
1N/A }
1N/A else {
1N/A return undef
1N/A unless defined $n;
1N/A
1N/A ${*$data}{'net_ftp_eof'} = 1;
1N/A }
1N/A
1N/A $readbuf =~ s/\015\012/\n/sgo;
1N/A ${*$data} .= $readbuf;
1N/A
1N/A unless (length(${*$data})) {
1N/A
1N/A redo READ
1N/A if($n > 0);
1N/A
1N/A $size = length(${*$data})
1N/A if($n == 0);
1N/A }
1N/A }
1N/A }
1N/A
1N/A $buf = substr(${*$data},0,$size);
1N/A substr(${*$data},0,$size) = '';
1N/A
1N/A length $buf;
1N/A}
1N/A
1N/Asub write {
1N/A my $data = shift;
1N/A local *buf = \$_[0]; shift;
1N/A my $size = shift || croak 'write($buf,$size,[$timeout])';
1N/A my $timeout = @_ ? shift : $data->timeout;
1N/A
1N/A (my $tmp = substr($buf,0,$size)) =~ s/\r?\n/\015\012/sg;
1N/A
1N/A # If the remote server has closed the connection we will be signal'd
1N/A # when we write. This can happen if the disk on the remote server fills up
1N/A
1N/A local $SIG{PIPE} = 'IGNORE' unless $^O eq 'MacOS';
1N/A
1N/A my $len = length($tmp);
1N/A my $off = 0;
1N/A my $wrote = 0;
1N/A
1N/A my $blksize = ${*$data}{'net_ftp_blksize'};
1N/A
1N/A while($len) {
1N/A $data->can_write($timeout) or
1N/A croak "Timeout";
1N/A
1N/A $off += $wrote;
1N/A $wrote = syswrite($data, substr($tmp,$off), $len > $blksize ? $blksize : $len);
1N/A return undef
1N/A unless defined($wrote);
1N/A $len -= $wrote;
1N/A }
1N/A
1N/A $size;
1N/A}
1N/A
1N/A1;