| 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; |
| 5 | use Coro::Signal; |
5 | use Coro::Signal; |
|
|
6 | use Coro::AIO (); |
| 6 | |
7 | |
| 7 | use HTTP::Date; |
8 | use HTTP::Date; |
| 8 | use POSIX (); |
9 | use POSIX (); |
|
|
10 | |
|
|
11 | use Compress::Zlib (); |
| 9 | |
12 | |
| 10 | no utf8; |
13 | no utf8; |
| 11 | use bytes; |
14 | use bytes; |
| 12 | |
15 | |
| 13 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
| … | |
… | |
| 19 | our $accesslog; |
22 | our $accesslog; |
| 20 | our $errorlog; |
23 | our $errorlog; |
| 21 | |
24 | |
| 22 | our $NOW; |
25 | our $NOW; |
| 23 | our $HTTP_NOW; |
26 | our $HTTP_NOW; |
|
|
27 | |
|
|
28 | our $ERROR_LOG; |
|
|
29 | our $ACCESS_LOG; |
| 24 | |
30 | |
| 25 | Event->timer(interval => 1, hard => 1, cb => sub { |
31 | Event->timer(interval => 1, hard => 1, cb => sub { |
| 26 | $NOW = time; |
32 | $NOW = time; |
| 27 | $HTTP_NOW = time2str $NOW; |
33 | $HTTP_NOW = time2str $NOW; |
| 28 | })->now; |
34 | })->now; |
| … | |
… | |
| 52 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
58 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
| 53 | our $httpevent = new Coro::Signal; |
59 | our $httpevent = new Coro::Signal; |
| 54 | |
60 | |
| 55 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
61 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
| 56 | our $queue_index = new transferqueue 10; |
62 | our $queue_index = new transferqueue 10; |
|
|
63 | |
|
|
64 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
|
|
65 | |
|
|
66 | my $unused_bytes = 0; |
|
|
67 | my $unused_last = time; |
|
|
68 | |
|
|
69 | sub unused_bandwidth { |
|
|
70 | $unused_bytes += $_[0]; |
|
|
71 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
|
|
72 | $unused_last = $NOW; |
|
|
73 | $unused_bytes = 0; |
|
|
74 | $queue_file->force_wake_next; |
|
|
75 | slog 1, "forced filetransfer due to unused bandwidth"; |
|
|
76 | } |
|
|
77 | } |
| 57 | |
78 | |
| 58 | my @newcons; |
79 | my @newcons; |
| 59 | my @pool; |
80 | my @pool; |
| 60 | |
81 | |
| 61 | # one "execution thread" |
82 | # one "execution thread" |
| … | |
… | |
| 93 | if (@pool) { |
114 | if (@pool) { |
| 94 | (pop @pool)->ready; |
115 | (pop @pool)->ready; |
| 95 | } else { |
116 | } else { |
| 96 | async \&handler; |
117 | async \&handler; |
| 97 | } |
118 | } |
| 98 | |
|
|
| 99 | } |
119 | } |
| 100 | }; |
120 | }; |
| 101 | } |
121 | } |
| 102 | |
122 | |
| 103 | my $http_port = new Coro::Socket |
123 | my $http_port = new Coro::Socket |
| … | |
… | |
| 120 | listen_on $http_port; |
140 | listen_on $http_port; |
| 121 | } |
141 | } |
| 122 | |
142 | |
| 123 | package conn; |
143 | package conn; |
| 124 | |
144 | |
|
|
145 | use strict; |
|
|
146 | use bytes; |
|
|
147 | |
| 125 | use Socket; |
148 | use Socket; |
| 126 | use HTTP::Date; |
149 | use HTTP::Date; |
| 127 | use Convert::Scalar 'weaken'; |
150 | use Convert::Scalar 'weaken'; |
| 128 | use Linux::AIO; |
151 | use IO::AIO; |
| 129 | |
152 | |
| 130 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
| 131 | |
154 | |
| 132 | Event->io(fd => Linux::AIO::poll_fileno, |
155 | Event->io (fd => IO::AIO::poll_fileno, |
| 133 | poll => 'r', async => 1, |
156 | poll => 'r', async => 1, |
| 134 | cb => \&Linux::AIO::poll_cb); |
157 | cb => \&IO::AIO::poll_cb); |
| 135 | |
158 | |
| 136 | our %conn; # $conn{ip}{self} => connobj |
159 | our %conn; # $conn{ip}{self} => connobj |
| 137 | our %uri; # $uri{ip}{uri}{self} |
160 | our %uri; # $uri{ip}{uri}{self} |
| 138 | our %blocked; |
161 | our %blocked; |
| 139 | our %mimetype; |
162 | our %mimetype; |
| … | |
… | |
| 177 | sub DESTROY { |
200 | sub DESTROY { |
| 178 | #my $self = shift; |
201 | #my $self = shift; |
| 179 | $::conns--; |
202 | $::conns--; |
| 180 | } |
203 | } |
| 181 | |
204 | |
|
|
205 | sub prune_cache { |
|
|
206 | my $hash = $_[0]; |
|
|
207 | |
|
|
208 | for (keys %$hash) { |
|
|
209 | if (ref $hash->{$_} eq HASH::) { |
|
|
210 | prune_cache($hash->{$_}); |
|
|
211 | unless (scalar keys %{$hash->{$_}}) { |
|
|
212 | delete $hash->{$_}; |
|
|
213 | } |
|
|
214 | } |
|
|
215 | } |
|
|
216 | } |
|
|
217 | |
|
|
218 | sub prune_caches { |
|
|
219 | prune_cache \%conn; |
|
|
220 | prune_cache \%uri; |
|
|
221 | |
|
|
222 | for (keys %blocked) { |
|
|
223 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
|
|
224 | } |
|
|
225 | } |
|
|
226 | |
|
|
227 | Event->timer(interval => 60, cb => \&prune_caches); |
|
|
228 | |
| 182 | sub slog { |
229 | sub slog { |
| 183 | my $self = shift; |
230 | my $self = shift; |
| 184 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
| 185 | } |
232 | } |
| 186 | |
233 | |
| 187 | sub response { |
234 | sub response { |
| 188 | my ($self, $code, $msg, $hdr, $content) = @_; |
235 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 189 | my $res = "HTTP/1.1 $code $msg\015\012"; |
236 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
237 | my $GZ = ""; |
| 190 | |
238 | |
| 191 | if (exists $hdr->{Connection}) { |
239 | if (exists $hdr->{Connection}) { |
| 192 | if ($hdr->{Connection} =~ /close/) { |
240 | if ($hdr->{Connection} =~ /close/) { |
| 193 | $self->{h}{connection} = "close" |
241 | $self->{h}{connection} = "close" |
| 194 | } |
242 | } |
| … | |
… | |
| 200 | $self->{h}{connection} = "close" |
248 | $self->{h}{connection} = "close" |
| 201 | } |
249 | } |
| 202 | } |
250 | } |
| 203 | } |
251 | } |
| 204 | |
252 | |
|
|
253 | if ($self->{method} ne "HEAD" |
|
|
254 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
|
|
255 | && 400 < length $content |
|
|
256 | && $hdr->{"Content-Length"} == length $content |
|
|
257 | && !exists $hdr->{"Content-Encoding"} |
|
|
258 | ) { |
|
|
259 | my $orig = length $content; |
|
|
260 | $hdr->{"Content-Encoding"} = "gzip"; |
|
|
261 | $content = Compress::Zlib::memGzip(\$content); |
|
|
262 | $hdr->{"Content-Length"} = length $content; |
|
|
263 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
|
264 | } |
|
|
265 | |
| 205 | $res .= "Date: $HTTP_NOW\015\012"; |
266 | $res .= "Date: $HTTP_NOW\015\012"; |
|
|
267 | $res .= "Server: $::NAME\015\012"; |
| 206 | |
268 | |
| 207 | while (my ($h, $v) = each %$hdr) { |
269 | while (my ($h, $v) = each %$hdr) { |
| 208 | $res .= "$h: $v\015\012" |
270 | $res .= "$h: $v\015\012" |
| 209 | } |
271 | } |
| 210 | $res .= "\015\012"; |
272 | $res .= "\015\012"; |
| 211 | |
273 | |
| 212 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
274 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
| 213 | |
275 | |
| 214 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
276 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
| 215 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
277 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
| 216 | " \"$self->{h}{referer}\"\n"; |
278 | " \"$self->{h}{referer}\"\n"; |
| 217 | |
279 | |
| 218 | print $accesslog $log if $accesslog; |
280 | print $::accesslog $log if $::accesslog; |
| 219 | print STDERR $log; |
281 | print STDERR $log; |
| 220 | |
282 | |
| 221 | $self->{written} += |
283 | $tbf_top->request(length $res, 1e6); |
| 222 | print {$self->{fh}} $res; |
284 | $self->{written} += print {$self->{fh}} $res; |
| 223 | } |
285 | } |
| 224 | |
286 | |
| 225 | sub err { |
287 | sub err { |
| 226 | my $self = shift; |
288 | my $self = shift; |
| 227 | my ($code, $msg, $hdr, $content) = @_; |
289 | my ($code, $msg, $hdr, $content) = @_; |
| … | |
… | |
| 282 | my (%hdr, $h, $v); |
344 | my (%hdr, $h, $v); |
| 283 | |
345 | |
| 284 | $hdr{lc $1} .= ",$2" |
346 | $hdr{lc $1} .= ",$2" |
| 285 | while $req =~ /\G |
347 | while $req =~ /\G |
| 286 | ([^:\000-\040]+): |
348 | ([^:\000-\040]+): |
| 287 | [\008\040]* |
349 | [\011\040]* |
| 288 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
350 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
| 289 | \015\012 |
351 | \015\012 |
| 290 | /gxc; |
352 | /gxc; |
| 291 | |
353 | |
| 292 | $req =~ /\G\015\012$/ |
354 | $req =~ /\G\015\012$/ |
| 293 | or $self->err(400, "bad request"); |
355 | or $self->err(400, "bad request"); |
| … | |
… | |
| 441 | or $self->err(304, "not modified"); |
503 | or $self->err(304, "not modified"); |
| 442 | |
504 | |
| 443 | if (-r "$path/index.html") { |
505 | if (-r "$path/index.html") { |
| 444 | # replace directory "size" by index.html filesize |
506 | # replace directory "size" by index.html filesize |
| 445 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
| 446 | $self->handle_file($queue_index); |
508 | $self->handle_file($queue_index, $tbf_top); |
| 447 | } else { |
509 | } else { |
| 448 | $self->handle_dir; |
510 | $self->handle_dir; |
| 449 | } |
511 | } |
| 450 | } |
512 | } |
| 451 | } elsif (-f _ && -r _) { |
513 | } elsif (-f _ && -r _) { |
| … | |
… | |
| 460 | $httpevent->wait; |
522 | $httpevent->wait; |
| 461 | } |
523 | } |
| 462 | } |
524 | } |
| 463 | } |
525 | } |
| 464 | |
526 | |
| 465 | $self->handle_file($queue_file); |
527 | $self->handle_file($queue_file, $tbf_top); |
| 466 | } else { |
528 | } else { |
| 467 | $self->err(404, "not found"); |
529 | $self->err(404, "not found"); |
| 468 | } |
530 | } |
| 469 | } |
531 | } |
| 470 | } |
532 | } |
| … | |
… | |
| 473 | my $self = shift; |
535 | my $self = shift; |
| 474 | my $idx = $self->diridx; |
536 | my $idx = $self->diridx; |
| 475 | |
537 | |
| 476 | $self->response(200, "ok", |
538 | $self->response(200, "ok", |
| 477 | { |
539 | { |
| 478 | "Content-Type" => "text/html", |
540 | "Content-Type" => "text/html; charset=utf-8", |
| 479 | "Content-Length" => length $idx, |
541 | "Content-Length" => length $idx, |
| 480 | "Last-Modified" => time2str ($self->{stat}[9]), |
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
| 481 | }, |
543 | }, |
| 482 | $idx); |
544 | $idx); |
| 483 | } |
545 | } |
| 484 | |
546 | |
| 485 | sub handle_file { |
547 | sub handle_file { |
| 486 | my ($self, $queue) = @_; |
548 | my ($self, $queue, $tbf) = @_; |
| 487 | my $length = $self->{stat}[7]; |
549 | my $length = $self->{stat}[7]; |
| 488 | my $hdr = { |
550 | my $hdr = { |
| 489 | "Last-Modified" => time2str ((stat _)[9]), |
551 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
552 | "Accept-Ranges" => "bytes", |
| 490 | }; |
553 | }; |
| 491 | |
554 | |
| 492 | my @code = (200, "ok"); |
555 | my @code = (200, "ok"); |
| 493 | my ($l, $h); |
556 | my ($l, $h); |
| 494 | |
557 | |
| … | |
… | |
| 537 | |
600 | |
| 538 | $self->response(@code, $hdr, ""); |
601 | $self->response(@code, $hdr, ""); |
| 539 | |
602 | |
| 540 | if ($self->{method} eq "GET") { |
603 | if ($self->{method} eq "GET") { |
| 541 | $self->{time} = $::NOW; |
604 | $self->{time} = $::NOW; |
|
|
605 | $self->{written} = 0; |
| 542 | |
606 | |
| 543 | my $current = $Coro::current; |
607 | my $fh; |
| 544 | |
|
|
| 545 | my ($fh, $buf, $r); |
|
|
| 546 | |
608 | |
| 547 | open $fh, "<", $self->{path} |
609 | open $fh, "<", $self->{path} |
| 548 | or die "$self->{path}: late open failure ($!)"; |
610 | or die "$self->{path}: late open failure ($!)"; |
| 549 | |
611 | |
| 550 | $h -= $l - 1; |
612 | $h -= $l - 1; |
| … | |
… | |
| 562 | while ($h > 0) { |
624 | while ($h > 0) { |
| 563 | unless ($locked) { |
625 | unless ($locked) { |
| 564 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
626 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
| 565 | $bufsize = $::BUFSIZE; |
627 | $bufsize = $::BUFSIZE; |
| 566 | $self->{time} = $::NOW; |
628 | $self->{time} = $::NOW; |
|
|
629 | $self->{written} = 0; |
| 567 | } |
630 | } |
| 568 | } |
631 | } |
| 569 | |
632 | |
| 570 | if ($blocked{$self->{remote_id}}) { |
633 | if ($blocked{$self->{remote_id}}) { |
| 571 | $self->{h}{connection} = "close"; |
634 | $self->{h}{connection} = "close"; |
| 572 | die bless {}, err::; |
635 | die bless {}, err::; |
| 573 | } |
636 | } |
| 574 | |
637 | |
| 575 | if (0) { # !AIO |
638 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
| 576 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
|
|
| 577 | or last; |
639 | or last; |
| 578 | } else { |
640 | |
| 579 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
641 | $tbf->request (length $buf); |
| 580 | $buf, 0, sub { |
|
|
| 581 | $r = $_[0]; |
|
|
| 582 | Coro::ready($current); |
|
|
| 583 | }); |
|
|
| 584 | &Coro::schedule; |
|
|
| 585 | last unless $r; |
|
|
| 586 | } |
|
|
| 587 | my $w = syswrite $self->{fh}, $buf |
642 | my $w = syswrite $self->{fh}, $buf |
| 588 | or last; |
643 | or last; |
| 589 | $::written += $w; |
644 | $::written += $w; |
| 590 | $self->{written} += $w; |
645 | $self->{written} += $w; |
| 591 | $l += $r; |
646 | $l += $w; |
| 592 | } |
647 | } |
| 593 | |
648 | |
| 594 | close $fh; |
649 | close $fh; |
| 595 | } |
650 | } |
| 596 | } |
651 | } |
| 597 | |
652 | |
| 598 | 1; |
653 | 1 |
|
|
654 | |
