Hi fellow Perlmonks! I am currently having fun with Net::SFTP::Foreign. I am modifying a deamon which monitors a directory and automatically uploads files via sftp to a server. If there are multiple files, the deamon forks a child process for every file and transfers them in parallel.
Now I want to do some better error handling. Wenn a transfer aborts, I want to print the number of bytes which were transferred. I can quite get this to STDOUT with the "more => -v" option.
my $sftp = Net::SFTP::Foreign->new(host =>$host, user => $user, key_pa +th => [$privkey, $pubkey] , more => '-v'); [... debug output ...] Transferred: sent 32700048, received 60544 bytes, in 1.6 seconds Bytes per second: sent 20997978.1, received 38877.7 [... more debug output ..]
My first approach was, to grep that output for the "Transferred" line. While this does work, that seems a bit overkill.
I also tried utilizing the callback function of sftp->put like this:
my $BYTES = 0; $sftp->put( "testfile", "testfile", cleanup => 1, callback => sub { my ( $sftp, $data, $offset, $size ) = @_; print $offset ." of ". $size ." bytes copied\n"; last_bytes($offset); + } ); print "\nTransferred $BYTES bytes\n"; + sub last_bytes { my ($bytes) = @_; $BYTES = $bytes; }

However this is giving me a hard time, as I would have to track a variable per child I fork.

In contrast, WWW::Curl has a method for getting the number of transferred bytes:

$curl->getinfo( CURLINFO_SIZE_UPLOAD );
I hope I am not missing something from the documentation for getting the transferred bytes from Net::SFTP::Forerign.... Any Ideas? I get the feeling I am nearly there with the callback-solution...

Kind regards,
yulivee

In reply to Net::SFTP::Foreign Transferred Bytes by yulivee07

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.