… | |
… | |
35 | our $httpevent = new Coro::Signal; |
35 | our $httpevent = new Coro::Signal; |
36 | |
36 | |
37 | our $wait_factor = 0.95; |
37 | our $wait_factor = 0.95; |
38 | |
38 | |
39 | our @transfers = ( |
39 | our @transfers = ( |
40 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
40 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL), 1], |
41 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
41 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE), 1], |
42 | ); |
42 | ); |
43 | |
43 | |
44 | my @newcons; |
44 | my @newcons; |
45 | my @pool; |
45 | my @pool; |
46 | |
46 | |
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… | |
524 | |
524 | |
525 | my $fudge = $queue->[0]->waiters; |
525 | my $fudge = $queue->[0]->waiters; |
526 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
526 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
527 | |
527 | |
528 | $queue->[1] *= $fudge; |
528 | $queue->[1] *= $fudge; |
529 | my $transfer = $queue->[0]->guard; |
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530 | |
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531 | if ($fudge != 1) { |
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532 | $queue->[1] /= $fudge; |
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533 | $queue->[1] = $queue->[1] * $::wait_factor |
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534 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
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535 | } |
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536 | $self->{time} = $::NOW; |
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537 | |
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538 | $self->{fh}->writable or return; |
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539 | |
529 | |
540 | my ($fh, $buf, $r); |
530 | my ($fh, $buf, $r); |
541 | my $current = $Coro::current; |
531 | my $current = $Coro::current; |
542 | open $fh, "<", $self->{path} |
532 | open $fh, "<", $self->{path} |
543 | or die "$self->{path}: late open failure ($!)"; |
533 | or die "$self->{path}: late open failure ($!)"; |
… | |
… | |
547 | if (0) { |
537 | if (0) { |
548 | if ($l) { |
538 | if ($l) { |
549 | sysseek $fh, $l, 0; |
539 | sysseek $fh, $l, 0; |
550 | } |
540 | } |
551 | } |
541 | } |
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542 | |
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543 | my $transfer; # transfer guard |
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544 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
552 | |
545 | |
553 | while ($h > 0) { |
546 | while ($h > 0) { |
|
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547 | unless ($transfer) { |
|
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548 | if ($transfer ||= $queue->[0]->timed_guard($::WAIT_INTERVAL)) { |
|
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549 | if ($fudge != 1) { |
|
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550 | $queue->[1] /= $fudge; |
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551 | $queue->[1] = $queue->[1] * $::wait_factor |
|
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552 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
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553 | } |
|
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554 | $bufsize = $::BUFSIZE; |
|
|
555 | $self->{time} = $::NOW; |
|
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556 | } |
|
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557 | } |
|
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558 | |
554 | if (0) { |
559 | if (0) { |
555 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
560 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
556 | or last; |
561 | or last; |
557 | } else { |
562 | } else { |
558 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
563 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
559 | $buf, 0, sub { |
564 | $buf, 0, sub { |
560 | $r = $_[0]; |
565 | $r = $_[0]; |
561 | Coro::ready($current); |
566 | Coro::ready($current); |
562 | }); |
567 | }); |
563 | &Coro::schedule; |
568 | &Coro::schedule; |