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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; |
8 | use POSIX (); |
8 | use POSIX (); |
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9 | |
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10 | use Compress::Zlib (); |
9 | |
11 | |
10 | no utf8; |
12 | no utf8; |
11 | use bytes; |
13 | use bytes; |
12 | |
14 | |
13 | # at least on my machine, this thingy serves files |
15 | # at least on my machine, this thingy serves files |
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50 | } |
52 | } |
51 | |
53 | |
52 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
54 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
53 | our $httpevent = new Coro::Signal; |
55 | our $httpevent = new Coro::Signal; |
54 | |
56 | |
55 | our $queue_file = new transferqueue slots => $MAX_TRANSFERS, maxsize => 256*1024*1024; |
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
56 | our $queue_index = new transferqueue slots => 10; |
58 | our $queue_index = new transferqueue 10; |
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59 | |
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60 | our $tbf_top = new tbf rate => 200000; |
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61 | |
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62 | my $unused_bytes = 0; |
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63 | my $unused_last = time; |
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64 | |
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65 | sub unused_bandwidth { |
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66 | $unused_bytes += $_[0]; |
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67 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
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68 | $unused_last = $NOW; |
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69 | $unused_bytes = 0; |
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70 | $queue_file->force_wake_next; |
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71 | slog 1, "forced filetransfer due to unused bandwidth"; |
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72 | } |
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73 | } |
57 | |
74 | |
58 | my @newcons; |
75 | my @newcons; |
59 | my @pool; |
76 | my @pool; |
60 | |
77 | |
61 | # one "execution thread" |
78 | # one "execution thread" |
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185 | } |
202 | } |
186 | |
203 | |
187 | sub response { |
204 | sub response { |
188 | my ($self, $code, $msg, $hdr, $content) = @_; |
205 | my ($self, $code, $msg, $hdr, $content) = @_; |
189 | my $res = "HTTP/1.1 $code $msg\015\012"; |
206 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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207 | my $GZ = ""; |
190 | |
208 | |
191 | if (exists $hdr->{Connection}) { |
209 | if (exists $hdr->{Connection}) { |
192 | if ($hdr->{Connection} =~ /close/) { |
210 | if ($hdr->{Connection} =~ /close/) { |
193 | $self->{h}{connection} = "close" |
211 | $self->{h}{connection} = "close" |
194 | } |
212 | } |
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200 | $self->{h}{connection} = "close" |
218 | $self->{h}{connection} = "close" |
201 | } |
219 | } |
202 | } |
220 | } |
203 | } |
221 | } |
204 | |
222 | |
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223 | if ($self->{method} ne "HEAD" |
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224 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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225 | && 400 < length $content |
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226 | && $hdr->{"Content-Length"} == length $content |
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227 | && !exists $hdr->{"Content-Encoding"} |
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228 | ) { |
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229 | my $orig = length $content; |
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230 | $hdr->{"Content-Encoding"} = "gzip"; |
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231 | $content = Compress::Zlib::memGzip(\$content); |
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232 | $hdr->{"Content-Length"} = length $content; |
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233 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
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234 | } |
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235 | |
205 | $res .= "Date: $HTTP_NOW\015\012"; |
236 | $res .= "Date: $HTTP_NOW\015\012"; |
206 | |
237 | |
207 | while (my ($h, $v) = each %$hdr) { |
238 | while (my ($h, $v) = each %$hdr) { |
208 | $res .= "$h: $v\015\012" |
239 | $res .= "$h: $v\015\012" |
209 | } |
240 | } |
210 | $res .= "\015\012"; |
241 | $res .= "\015\012"; |
211 | |
242 | |
212 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
243 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
213 | |
244 | |
214 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
245 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
215 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
246 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
216 | " \"$self->{h}{referer}\"\n"; |
247 | " \"$self->{h}{referer}\"\n"; |
217 | |
248 | |
218 | print $accesslog $log if $accesslog; |
249 | print $::accesslog $log if $::accesslog; |
219 | print STDERR $log; |
250 | print STDERR $log; |
220 | |
251 | |
221 | $self->{written} += |
252 | $tbf_top->request(length $res, 1e6); |
222 | print {$self->{fh}} $res; |
253 | $self->{written} += print {$self->{fh}} $res; |
223 | } |
254 | } |
224 | |
255 | |
225 | sub err { |
256 | sub err { |
226 | my $self = shift; |
257 | my $self = shift; |
227 | my ($code, $msg, $hdr, $content) = @_; |
258 | my ($code, $msg, $hdr, $content) = @_; |
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282 | my (%hdr, $h, $v); |
313 | my (%hdr, $h, $v); |
283 | |
314 | |
284 | $hdr{lc $1} .= ",$2" |
315 | $hdr{lc $1} .= ",$2" |
285 | while $req =~ /\G |
316 | while $req =~ /\G |
286 | ([^:\000-\040]+): |
317 | ([^:\000-\040]+): |
287 | [\008\040]* |
318 | [\011\040]* |
288 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
319 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
289 | \015\012 |
320 | \015\012 |
290 | /gxc; |
321 | /gxc; |
291 | |
322 | |
292 | $req =~ /\G\015\012$/ |
323 | $req =~ /\G\015\012$/ |
293 | or $self->err(400, "bad request"); |
324 | or $self->err(400, "bad request"); |
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441 | or $self->err(304, "not modified"); |
472 | or $self->err(304, "not modified"); |
442 | |
473 | |
443 | if (-r "$path/index.html") { |
474 | if (-r "$path/index.html") { |
444 | # replace directory "size" by index.html filesize |
475 | # replace directory "size" by index.html filesize |
445 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
476 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
446 | $self->handle_file($queue_index); |
477 | $self->handle_file($queue_index, $tbf_top); |
447 | } else { |
478 | } else { |
448 | $self->handle_dir; |
479 | $self->handle_dir; |
449 | } |
480 | } |
450 | } |
481 | } |
451 | } elsif (-f _ && -r _) { |
482 | } elsif (-f _ && -r _) { |
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460 | $httpevent->wait; |
491 | $httpevent->wait; |
461 | } |
492 | } |
462 | } |
493 | } |
463 | } |
494 | } |
464 | |
495 | |
465 | $self->handle_file($queue_file); |
496 | $self->handle_file($queue_file, $tbf_top); |
466 | } else { |
497 | } else { |
467 | $self->err(404, "not found"); |
498 | $self->err(404, "not found"); |
468 | } |
499 | } |
469 | } |
500 | } |
470 | } |
501 | } |
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481 | }, |
512 | }, |
482 | $idx); |
513 | $idx); |
483 | } |
514 | } |
484 | |
515 | |
485 | sub handle_file { |
516 | sub handle_file { |
486 | my ($self, $queue) = @_; |
517 | my ($self, $queue, $tbf) = @_; |
487 | my $length = $self->{stat}[7]; |
518 | my $length = $self->{stat}[7]; |
488 | my $hdr = { |
519 | my $hdr = { |
489 | "Last-Modified" => time2str ((stat _)[9]), |
520 | "Last-Modified" => time2str ((stat _)[9]), |
490 | }; |
521 | }; |
491 | |
522 | |
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582 | Coro::ready($current); |
613 | Coro::ready($current); |
583 | }); |
614 | }); |
584 | &Coro::schedule; |
615 | &Coro::schedule; |
585 | last unless $r; |
616 | last unless $r; |
586 | } |
617 | } |
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618 | |
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619 | $tbf->request(length $buf); |
587 | my $w = syswrite $self->{fh}, $buf |
620 | my $w = syswrite $self->{fh}, $buf |
588 | or last; |
621 | or last; |
589 | $::written += $w; |
622 | $::written += $w; |
590 | $self->{written} += $w; |
623 | $self->{written} += $w; |
591 | $l += $r; |
624 | $l += $r; |