in reply to Re^4: LWP - content_cb
in thread LWP - content_cb
#!/usr/bin/perl use strict; use warnings; use LWP::Simple; use LWP::UserAgent; my $urlin = shift || "http://zentara.net/zentara.avi"; my $infile = "zentara1.avi" ; print "gettin video file : $infile\n"; # don't buffer the prints to make the status update $| = 1; open(IN,"> $infile") or die "$_\n"; my $ua = LWP::UserAgent->new(); my $received_size = 0; my $request_time = time; my $last_update = 0; my $response = $ua->get($urlin, ':content_cb' => \&callback, ':read_size_hint' => 8192, ); print "\n"; close IN; #play the flv file with mplayer # system( "mplayer $infile" ); ############################################# sub callback { my ($data, $response, $protocol) = @_; my $total_size = $response->header('Content-Length') || 0; $received_size += length $data; # write the $data to a filehandle or whatever should happen # with it here. print IN $data; my $time_now = time; # this to make the status only update once per second. return unless $time_now > $last_update or $received_size == $total_s +ize; $last_update = $time_now; print "\rReceived $received_size bytes"; printf " (%i%%)", (100/$total_size)*$received_size if $total_size; printf " %6.1f/bps", $received_size/(($time_now-$request_time)||1) if $received_size; } __END__
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Re^6: LWP - content_cb
by papaismurf (Novice) on Feb 15, 2012 at 18:06 UTC | |
by Anonymous Monk on Feb 16, 2012 at 01:36 UTC |