59 lines
1.2 KiB
Perl
59 lines
1.2 KiB
Perl
##
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## Package to read/write on BINARY data connections
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##
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package Net::FTP::I;
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use vars qw(@ISA $buf $VERSION);
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use Carp;
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require Net::FTP::dataconn;
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@ISA = qw(Net::FTP::dataconn);
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$VERSION = sprintf("1.%02d",(q$Id: //depot/libnet/Net/FTP/I.pm#5$ =~ /#(\d+)/)[0]);
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sub read
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{
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my $data = shift;
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local *buf = \$_[0]; shift;
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my $size = shift || croak 'read($buf,$size,[$timeout])';
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my $timeout = @_ ? shift : $data->timeout;
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$data->can_read($timeout) or
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croak "Timeout";
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my $n = sysread($data, $buf, $size);
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${*$data}{'net_ftp_bytesread'} += $n if $n > 0;
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${*$data}{'net_ftp_eof'} = 1 unless $n;
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$n;
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}
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sub write
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{
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my $data = shift;
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local *buf = \$_[0]; shift;
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my $size = shift || croak 'write($buf,$size,[$timeout])';
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my $timeout = @_ ? shift : $data->timeout;
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$data->can_write($timeout) or
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croak "Timeout";
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# If the remote server has closed the connection we will be signal'd
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# when we write. This can happen if the disk on the remote server fills up
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local $SIG{PIPE} = 'IGNORE';
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my $sent = $size;
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my $off = 0;
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while($sent > 0) {
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my $n = syswrite($data, $buf, $sent,$off);
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return $n if $n < 0;
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$sent -= $n;
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$off += $n;
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}
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$size;
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}
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1;
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