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3 | use Coro::Event; |
3 | use Coro::Event; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
5 | use Coro::Signal; |
5 | use Coro::Signal; |
6 | |
6 | |
7 | use HTTP::Date; |
7 | use HTTP::Date; |
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8 | use POSIX (); |
8 | |
9 | |
9 | no utf8; |
10 | no utf8; |
10 | use bytes; |
11 | use bytes; |
11 | |
12 | |
12 | # at least on my machine, this thingy serves files |
13 | # at least on my machine, this thingy serves files |
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34 | our $httpevent = new Coro::Signal; |
35 | our $httpevent = new Coro::Signal; |
35 | |
36 | |
36 | our $wait_factor = 0.95; |
37 | our $wait_factor = 0.95; |
37 | |
38 | |
38 | our @transfers = ( |
39 | our @transfers = ( |
39 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
40 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL), 1], |
40 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
41 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE), 1], |
41 | ); |
42 | ); |
42 | |
43 | |
43 | my @newcons; |
44 | my @newcons; |
44 | my @pool; |
45 | my @pool; |
45 | |
46 | |
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206 | } |
207 | } |
207 | $res .= "\015\012"; |
208 | $res .= "\015\012"; |
208 | |
209 | |
209 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
210 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
210 | |
211 | |
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212 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
211 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
213 | " $self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
212 | |
214 | |
213 | print $accesslog $log if $accesslog; |
215 | print $accesslog $log if $accesslog; |
214 | print STDERR $log; |
216 | print STDERR $log; |
215 | |
217 | |
216 | $self->{written} += |
218 | $self->{written} += |
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455 | |
457 | |
456 | $self->response(200, "ok", |
458 | $self->response(200, "ok", |
457 | { |
459 | { |
458 | "Content-Type" => "text/html", |
460 | "Content-Type" => "text/html", |
459 | "Content-Length" => length $idx, |
461 | "Content-Length" => length $idx, |
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462 | "Last-Modified" => time2str ((stat _)[9]), |
460 | }, |
463 | }, |
461 | $idx); |
464 | $idx); |
462 | } |
465 | } |
463 | |
466 | |
464 | sub handle_file { |
467 | sub handle_file { |
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521 | |
524 | |
522 | my $fudge = $queue->[0]->waiters; |
525 | my $fudge = $queue->[0]->waiters; |
523 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
526 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
524 | |
527 | |
525 | $queue->[1] *= $fudge; |
528 | $queue->[1] *= $fudge; |
526 | my $transfer = $queue->[0]->guard; |
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527 | |
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528 | if ($fudge != 1) { |
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529 | $queue->[1] /= $fudge; |
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530 | $queue->[1] = $queue->[1] * $::wait_factor |
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531 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
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532 | } |
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533 | $self->{time} = $::NOW; |
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534 | |
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535 | $self->{fh}->writable or return; |
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536 | |
529 | |
537 | my ($fh, $buf, $r); |
530 | my ($fh, $buf, $r); |
538 | my $current = $Coro::current; |
531 | my $current = $Coro::current; |
539 | open $fh, "<", $self->{path} |
532 | open $fh, "<", $self->{path} |
540 | or die "$self->{path}: late open failure ($!)"; |
533 | or die "$self->{path}: late open failure ($!)"; |
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544 | if (0) { |
537 | if (0) { |
545 | if ($l) { |
538 | if ($l) { |
546 | sysseek $fh, $l, 0; |
539 | sysseek $fh, $l, 0; |
547 | } |
540 | } |
548 | } |
541 | } |
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542 | |
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543 | my $transfer; # transfer guard |
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544 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
549 | |
545 | |
550 | while ($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; |
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555 | $self->{time} = $::NOW; |
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556 | } |
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557 | } |
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558 | |
551 | if (0) { |
559 | if (0) { |
552 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
560 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
553 | or last; |
561 | or last; |
554 | } else { |
562 | } else { |
555 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
563 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
556 | $buf, 0, sub { |
564 | $buf, 0, sub { |
557 | $r = $_[0]; |
565 | $r = $_[0]; |
558 | Coro::ready($current); |
566 | Coro::ready($current); |
559 | }); |
567 | }); |
560 | &Coro::schedule; |
568 | &Coro::schedule; |