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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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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 $MAX_TRANSFERS; |
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
56 | our $queue_index = new transferqueue 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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161 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
178 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
162 | or $self->err(500, "unable to decode peername"); |
179 | or $self->err(500, "unable to decode peername"); |
163 | |
180 | |
164 | $self->{remote_addr} = |
181 | $self->{remote_addr} = |
165 | $self->{remote_id} = inet_ntoa $iaddr; |
182 | $self->{remote_id} = inet_ntoa $iaddr; |
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183 | |
166 | $self->{time} = $::NOW; |
184 | $self->{time} = $::NOW; |
167 | |
185 | |
168 | weaken ($Coro::current->{conn} = $self); |
186 | weaken ($Coro::current->{conn} = $self); |
169 | |
187 | |
170 | $::conns++; |
188 | $::conns++; |
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184 | } |
202 | } |
185 | |
203 | |
186 | sub response { |
204 | sub response { |
187 | my ($self, $code, $msg, $hdr, $content) = @_; |
205 | my ($self, $code, $msg, $hdr, $content) = @_; |
188 | 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 = ""; |
189 | |
208 | |
190 | if (exists $hdr->{Connection}) { |
209 | if (exists $hdr->{Connection}) { |
191 | if ($hdr->{Connection} =~ /close/) { |
210 | if ($hdr->{Connection} =~ /close/) { |
192 | $self->{h}{connection} = "close" |
211 | $self->{h}{connection} = "close" |
193 | } |
212 | } |
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199 | $self->{h}{connection} = "close" |
218 | $self->{h}{connection} = "close" |
200 | } |
219 | } |
201 | } |
220 | } |
202 | } |
221 | } |
203 | |
222 | |
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223 | if ($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 | |
204 | $res .= "Date: $HTTP_NOW\015\012"; |
236 | $res .= "Date: $HTTP_NOW\015\012"; |
205 | |
237 | |
206 | while (my ($h, $v) = each %$hdr) { |
238 | while (my ($h, $v) = each %$hdr) { |
207 | $res .= "$h: $v\015\012" |
239 | $res .= "$h: $v\015\012" |
208 | } |
240 | } |
209 | $res .= "\015\012"; |
241 | $res .= "\015\012"; |
210 | |
242 | |
211 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
243 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
212 | |
244 | |
213 | 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). |
214 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
246 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
215 | " \"$self->{h}{referer}\"\n"; |
247 | " \"$self->{h}{referer}\"\n"; |
216 | |
248 | |
217 | print $accesslog $log if $accesslog; |
249 | print $::accesslog $log if $::accesslog; |
218 | print STDERR $log; |
250 | print STDERR $log; |
219 | |
251 | |
220 | $self->{written} += |
252 | $tbf_top->request(length $res, 1e6); |
221 | print {$self->{fh}} $res; |
253 | $self->{written} += print {$self->{fh}} $res; |
222 | } |
254 | } |
223 | |
255 | |
224 | sub err { |
256 | sub err { |
225 | my $self = shift; |
257 | my $self = shift; |
226 | my ($code, $msg, $hdr, $content) = @_; |
258 | my ($code, $msg, $hdr, $content) = @_; |
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281 | my (%hdr, $h, $v); |
313 | my (%hdr, $h, $v); |
282 | |
314 | |
283 | $hdr{lc $1} .= ",$2" |
315 | $hdr{lc $1} .= ",$2" |
284 | while $req =~ /\G |
316 | while $req =~ /\G |
285 | ([^:\000-\040]+): |
317 | ([^:\000-\040]+): |
286 | [\008\040]* |
318 | [\011\040]* |
287 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
319 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
288 | \015\012 |
320 | \015\012 |
289 | /gxc; |
321 | /gxc; |
290 | |
322 | |
291 | $req =~ /\G\015\012$/ |
323 | $req =~ /\G\015\012$/ |
292 | or $self->err(400, "bad request"); |
324 | or $self->err(400, "bad request"); |
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440 | or $self->err(304, "not modified"); |
472 | or $self->err(304, "not modified"); |
441 | |
473 | |
442 | if (-r "$path/index.html") { |
474 | if (-r "$path/index.html") { |
443 | # replace directory "size" by index.html filesize |
475 | # replace directory "size" by index.html filesize |
444 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
476 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
445 | $self->handle_file($queue_index); |
477 | $self->handle_file($queue_index, $tbf_top); |
446 | } else { |
478 | } else { |
447 | $self->handle_dir; |
479 | $self->handle_dir; |
448 | } |
480 | } |
449 | } |
481 | } |
450 | } elsif (-f _ && -r _) { |
482 | } elsif (-f _ && -r _) { |
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459 | $httpevent->wait; |
491 | $httpevent->wait; |
460 | } |
492 | } |
461 | } |
493 | } |
462 | } |
494 | } |
463 | |
495 | |
464 | $self->handle_file($queue_file); |
496 | $self->handle_file($queue_file, $tbf_top); |
465 | } else { |
497 | } else { |
466 | $self->err(404, "not found"); |
498 | $self->err(404, "not found"); |
467 | } |
499 | } |
468 | } |
500 | } |
469 | } |
501 | } |
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480 | }, |
512 | }, |
481 | $idx); |
513 | $idx); |
482 | } |
514 | } |
483 | |
515 | |
484 | sub handle_file { |
516 | sub handle_file { |
485 | my ($self, $queue) = @_; |
517 | my ($self, $queue, $tbf) = @_; |
486 | my $length = $self->{stat}[7]; |
518 | my $length = $self->{stat}[7]; |
487 | my $hdr = { |
519 | my $hdr = { |
488 | "Last-Modified" => time2str ((stat _)[9]), |
520 | "Last-Modified" => time2str ((stat _)[9]), |
489 | }; |
521 | }; |
490 | |
522 | |
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581 | Coro::ready($current); |
613 | Coro::ready($current); |
582 | }); |
614 | }); |
583 | &Coro::schedule; |
615 | &Coro::schedule; |
584 | last unless $r; |
616 | last unless $r; |
585 | } |
617 | } |
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618 | |
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619 | $tbf->request(length $buf); |
586 | my $w = syswrite $self->{fh}, $buf |
620 | my $w = syswrite $self->{fh}, $buf |
587 | or last; |
621 | or last; |
588 | $::written += $w; |
622 | $::written += $w; |
589 | $self->{written} += $w; |
623 | $self->{written} += $w; |
590 | $l += $r; |
624 | $l += $r; |