2 ## Package to read/write on ASCII data connections
13 use Net::FTP::dataconn;
15 our @ISA = qw(Net::FTP::dataconn);
16 our $VERSION = "3.12";
24 my $size = shift || croak 'read($buf,$size,[$offset])';
25 my $timeout = @_ ? shift: $data->timeout;
27 if (length(${*$data}) < $size && !${*$data}{'net_ftp_eof'}) {
28 my $blksize = ${*$data}{'net_ftp_blksize'};
29 $blksize = $size if $size > $blksize;
36 my $readbuf = defined(${*$data}{'net_ftp_cr'}) ? "\015" : '';
38 $data->can_read($timeout)
41 if ($n = sysread($data, $readbuf, $blksize, length $readbuf)) {
42 ${*$data}{'net_ftp_bytesread'} += $n;
43 ${*$data}{'net_ftp_cr'} =
44 substr($readbuf, -1) eq "\015"
52 ${*$data}{'net_ftp_eof'} = 1;
55 $readbuf =~ s/\015\012/\n/sgo;
56 ${*$data} .= $readbuf;
58 unless (length(${*$data})) {
63 $size = length(${*$data})
69 $buf = substr(${*$data}, 0, $size);
70 substr(${*$data}, 0, $size) = '';
80 my $size = shift || croak 'write($buf,$size,[$timeout])';
81 my $timeout = @_ ? shift: $data->timeout;
83 my $nr = (my $tmp = substr($buf, 0, $size)) =~ tr/\r\n/\015\012/;
84 $tmp =~ s/(?<!\015)\012/\015\012/sg if $nr;
85 $tmp =~ s/^\015// if ${*$data}{'net_ftp_outcr'};
86 ${*$data}{'net_ftp_outcr'} = substr($tmp, -1) eq "\015";
88 # If the remote server has closed the connection we will be signal'd
89 # when we write. This can happen if the disk on the remote server fills up
91 local $SIG{PIPE} = 'IGNORE'
92 unless ($SIG{PIPE} || '') eq 'IGNORE'
95 my $len = length($tmp);
99 my $blksize = ${*$data}{'net_ftp_blksize'};
102 $data->can_write($timeout)
106 $wrote = syswrite($data, substr($tmp, $off), $len > $blksize ? $blksize : $len);
108 unless defined($wrote);