| 1 | use Coro; |
1 | use Coro; |
| 2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
| 3 | use Coro::Event; |
3 | use Coro::Event; |
| 4 | use Coro::Socket; |
4 | use Coro::Socket; |
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5 | |
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6 | use HTTP::Date; |
| 5 | |
7 | |
| 6 | no utf8; |
8 | no utf8; |
| 7 | use bytes; |
9 | use bytes; |
| 8 | |
10 | |
| 9 | # at least on my machine, this thingy serves files |
11 | # at least on my machine, this thingy serves files |
| … | |
… | |
| 25 | my $level = shift; |
27 | my $level = shift; |
| 26 | my $format = shift; |
28 | my $format = shift; |
| 27 | printf "---: $format\n", @_; |
29 | printf "---: $format\n", @_; |
| 28 | } |
30 | } |
| 29 | |
31 | |
| 30 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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33 | |
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34 | our $wait_factor = 0.95; |
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35 | |
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36 | our @transfers = ( |
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37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 600], |
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38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 600], |
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39 | ); |
| 31 | |
40 | |
| 32 | my @newcons; |
41 | my @newcons; |
| 33 | my @pool; |
42 | my @pool; |
| 34 | |
43 | |
| 35 | # one "execution thread" |
44 | # one "execution thread" |
| … | |
… | |
| 57 | Listen => 50, |
66 | Listen => 50, |
| 58 | or die "unable to start server"; |
67 | or die "unable to start server"; |
| 59 | |
68 | |
| 60 | push @listen_sockets, $http_port; |
69 | push @listen_sockets, $http_port; |
| 61 | |
70 | |
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71 | our $NOW; |
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72 | our $HTTP_NOW; |
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73 | |
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74 | Event->timer(interval => 1, hard => 1, cb => sub { |
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75 | $NOW = time; |
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76 | $HTTP_NOW = time2str $NOW; |
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77 | })->now; |
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78 | |
| 62 | # the "main thread" |
79 | # the "main thread" |
| 63 | async { |
80 | async { |
| 64 | slog 1, "accepting connections"; |
81 | slog 1, "accepting connections"; |
| 65 | while () { |
82 | while () { |
| 66 | $connections->down; |
83 | $connections->down; |
| 67 | push @newcons, [$http_port->accept]; |
84 | push @newcons, [$http_port->accept]; |
| 68 | #slog 3, "accepted @$connections ".scalar(@pool); |
85 | #slog 3, "accepted @$connections ".scalar(@pool); |
| 69 | $::NOW = time; |
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| 70 | if (@pool) { |
86 | if (@pool) { |
| 71 | (pop @pool)->ready; |
87 | (pop @pool)->ready; |
| 72 | } else { |
88 | } else { |
| 73 | async \&handler; |
89 | async \&handler; |
| 74 | } |
90 | } |
| … | |
… | |
| 154 | my ($self, $code, $msg, $hdr, $content) = @_; |
170 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 155 | my $res = "HTTP/1.1 $code $msg\015\012"; |
171 | my $res = "HTTP/1.1 $code $msg\015\012"; |
| 156 | |
172 | |
| 157 | $self->{h}{connection} ||= $hdr->{Connection}; |
173 | $self->{h}{connection} ||= $hdr->{Connection}; |
| 158 | |
174 | |
| 159 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
175 | $res .= "Date: $HTTP_NOW\015\012"; |
| 160 | |
176 | |
| 161 | while (my ($h, $v) = each %$hdr) { |
177 | while (my ($h, $v) = each %$hdr) { |
| 162 | $res .= "$h: $v\015\012" |
178 | $res .= "$h: $v\015\012" |
| 163 | } |
179 | } |
| 164 | $res .= "\015\012"; |
180 | $res .= "\015\012"; |
| … | |
… | |
| 413 | $idx); |
429 | $idx); |
| 414 | } |
430 | } |
| 415 | |
431 | |
| 416 | sub handle_file { |
432 | sub handle_file { |
| 417 | my $self = shift; |
433 | my $self = shift; |
| 418 | my $length = -s _; |
434 | my $length = $self->{stat}[7]; |
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435 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
| 419 | my $hdr = { |
436 | my $hdr = { |
| 420 | "Last-Modified" => time2str ((stat _)[9]), |
437 | "Last-Modified" => time2str ((stat _)[9]), |
| 421 | }; |
438 | }; |
| 422 | |
439 | |
| 423 | my @code = (200, "ok"); |
440 | my @code = (200, "ok"); |
| … | |
… | |
| 467 | $hdr->{"Content-Length"} = $length; |
484 | $hdr->{"Content-Length"} = $length; |
| 468 | |
485 | |
| 469 | $self->response(@code, $hdr, ""); |
486 | $self->response(@code, $hdr, ""); |
| 470 | |
487 | |
| 471 | if ($self->{method} eq "GET") { |
488 | if ($self->{method} eq "GET") { |
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489 | $self->{time} = $::NOW; |
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490 | |
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491 | my $transfer = $queue->[0]->guard; |
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492 | $self->{fh}->writable or return; |
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493 | |
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494 | $queue->[1] = $queue->[1] * $::wait_factor |
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495 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
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496 | $self->{time} = $::NOW; |
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497 | |
| 472 | my ($fh, $buf, $r); |
498 | my ($fh, $buf, $r); |
| 473 | my $current = $Coro::current; |
499 | my $current = $Coro::current; |
| 474 | open $fh, "<", $self->{path} |
500 | open $fh, "<", $self->{path} |
| 475 | or die "$self->{path}: late open failure ($!)"; |
501 | or die "$self->{path}: late open failure ($!)"; |
| 476 | |
502 | |
| … | |
… | |
| 502 | or last; |
528 | or last; |
| 503 | $::written += $w; |
529 | $::written += $w; |
| 504 | $self->{written} += $w; |
530 | $self->{written} += $w; |
| 505 | $l += $r; |
531 | $l += $r; |
| 506 | } |
532 | } |
| 507 | } |
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| 508 | |
533 | |
| 509 | close $fh; |
534 | close $fh; |
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535 | } |
| 510 | } |
536 | } |
| 511 | |
537 | |
| 512 | 1; |
538 | 1; |
