… | |
… | |
5 | use Coro::Signal; |
5 | use Coro::Signal; |
6 | |
6 | |
7 | use HTTP::Date; |
7 | use HTTP::Date; |
8 | use POSIX (); |
8 | use POSIX (); |
9 | |
9 | |
|
|
10 | use Compress::Zlib (); |
|
|
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 |
14 | # quite a bit faster than apache, ;) |
16 | # quite a bit faster than apache, ;) |
15 | # and quite a bit slower than thttpd :( |
17 | # and quite a bit slower than thttpd :( |
16 | |
18 | |
17 | $SIG{PIPE} = 'IGNORE'; |
19 | $SIG{PIPE} = 'IGNORE'; |
18 | |
20 | |
19 | our $accesslog; |
21 | our $accesslog; |
|
|
22 | our $errorlog; |
|
|
23 | |
|
|
24 | our $NOW; |
|
|
25 | our $HTTP_NOW; |
|
|
26 | |
|
|
27 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
28 | $NOW = time; |
|
|
29 | $HTTP_NOW = time2str $NOW; |
|
|
30 | })->now; |
|
|
31 | |
|
|
32 | if ($ERROR_LOG) { |
|
|
33 | use IO::Handle; |
|
|
34 | open $errorlog, ">>$ERROR_LOG" |
|
|
35 | or die "$ERROR_LOG: $!"; |
|
|
36 | $errorlog->autoflush(1); |
|
|
37 | } |
20 | |
38 | |
21 | if ($ACCESS_LOG) { |
39 | if ($ACCESS_LOG) { |
22 | use IO::Handle; |
40 | use IO::Handle; |
23 | open $accesslog, ">>$ACCESS_LOG" |
41 | open $accesslog, ">>$ACCESS_LOG" |
24 | or die "$ACCESS_LOG: $!"; |
42 | or die "$ACCESS_LOG: $!"; |
… | |
… | |
26 | } |
44 | } |
27 | |
45 | |
28 | sub slog { |
46 | sub slog { |
29 | my $level = shift; |
47 | my $level = shift; |
30 | my $format = shift; |
48 | my $format = shift; |
|
|
49 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
31 | printf "---: $format\n", @_; |
50 | printf "$NOW: $format\n", @_; |
|
|
51 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
32 | } |
52 | } |
33 | |
53 | |
34 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
54 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
35 | our $httpevent = new Coro::Signal; |
55 | our $httpevent = new Coro::Signal; |
36 | |
56 | |
37 | our $wait_factor = 0.95; |
|
|
38 | |
|
|
39 | our $queue_small = new transferqueue $MAX_TRANSFERS_SMALL; |
|
|
40 | our $queue_large = new transferqueue $MAX_TRANSFERS_LARGE; |
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
41 | our $queue_index = new transferqueue 5; |
58 | our $queue_index = new transferqueue 10; |
42 | |
59 | |
43 | my @newcons; |
60 | my @newcons; |
44 | my @pool; |
61 | my @pool; |
45 | |
62 | |
46 | # one "execution thread" |
63 | # one "execution thread" |
… | |
… | |
49 | if (@newcons) { |
66 | if (@newcons) { |
50 | eval { |
67 | eval { |
51 | conn->new(@{pop @newcons})->handle; |
68 | conn->new(@{pop @newcons})->handle; |
52 | }; |
69 | }; |
53 | slog 1, "$@" if $@ && !ref $@; |
70 | slog 1, "$@" if $@ && !ref $@; |
|
|
71 | |
|
|
72 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
73 | |
54 | $connections->up; |
74 | $connections->up; |
55 | } else { |
75 | } else { |
56 | last if @pool >= $MAX_POOL; |
76 | last if @pool >= $MAX_POOL; |
57 | push @pool, $Coro::current; |
77 | push @pool, $Coro::current; |
58 | schedule; |
78 | schedule; |
… | |
… | |
100 | or die "unable to start server"; |
120 | or die "unable to start server"; |
101 | |
121 | |
102 | listen_on $http_port; |
122 | listen_on $http_port; |
103 | } |
123 | } |
104 | |
124 | |
105 | our $NOW; |
|
|
106 | our $HTTP_NOW; |
|
|
107 | |
|
|
108 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
109 | $NOW = time; |
|
|
110 | $HTTP_NOW = time2str $NOW; |
|
|
111 | })->now; |
|
|
112 | |
|
|
113 | package conn; |
125 | package conn; |
114 | |
126 | |
115 | use Socket; |
127 | use Socket; |
116 | use HTTP::Date; |
128 | use HTTP::Date; |
117 | use Convert::Scalar 'weaken'; |
129 | use Convert::Scalar 'weaken'; |
… | |
… | |
151 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
163 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
152 | or $self->err(500, "unable to decode peername"); |
164 | or $self->err(500, "unable to decode peername"); |
153 | |
165 | |
154 | $self->{remote_addr} = |
166 | $self->{remote_addr} = |
155 | $self->{remote_id} = inet_ntoa $iaddr; |
167 | $self->{remote_id} = inet_ntoa $iaddr; |
|
|
168 | |
156 | $self->{time} = $::NOW; |
169 | $self->{time} = $::NOW; |
157 | |
170 | |
158 | weaken ($Coro::current->{conn} = $self); |
171 | weaken ($Coro::current->{conn} = $self); |
159 | |
172 | |
160 | $::conns++; |
173 | $::conns++; |
… | |
… | |
162 | |
175 | |
163 | $self; |
176 | $self; |
164 | } |
177 | } |
165 | |
178 | |
166 | sub DESTROY { |
179 | sub DESTROY { |
167 | my $self = shift; |
180 | #my $self = shift; |
168 | $::conns--; |
181 | $::conns--; |
169 | $self->eoconn; |
|
|
170 | } |
|
|
171 | |
|
|
172 | # end of connection |
|
|
173 | sub eoconn { |
|
|
174 | my $self = shift; |
|
|
175 | |
|
|
176 | # clean up hints |
|
|
177 | delete $conn{$self->{remote_id}}{$self*1}; |
|
|
178 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
|
|
179 | |
|
|
180 | $httpevent->broadcast; |
|
|
181 | } |
182 | } |
182 | |
183 | |
183 | sub slog { |
184 | sub slog { |
184 | my $self = shift; |
185 | my $self = shift; |
185 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
186 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
186 | } |
187 | } |
187 | |
188 | |
188 | sub response { |
189 | sub response { |
189 | my ($self, $code, $msg, $hdr, $content) = @_; |
190 | my ($self, $code, $msg, $hdr, $content) = @_; |
190 | my $res = "HTTP/1.1 $code $msg\015\012"; |
191 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
192 | my $GZ = ""; |
191 | |
193 | |
192 | if (exists $hdr->{Connection}) { |
194 | if (exists $hdr->{Connection}) { |
193 | if ($hdr->{Connection} =~ /close/) { |
195 | if ($hdr->{Connection} =~ /close/) { |
194 | $self->{h}{connection} = "close" |
196 | $self->{h}{connection} = "close" |
195 | } |
197 | } |
… | |
… | |
201 | $self->{h}{connection} = "close" |
203 | $self->{h}{connection} = "close" |
202 | } |
204 | } |
203 | } |
205 | } |
204 | } |
206 | } |
205 | |
207 | |
|
|
208 | if ($self->{method} ne "HEAD" |
|
|
209 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
|
|
210 | && 400 < length $content |
|
|
211 | && $hdr->{"Content-Length"} == length $content |
|
|
212 | && !exists $hdr->{"Content-Encoding"} |
|
|
213 | ) { |
|
|
214 | my $orig = length $content; |
|
|
215 | $hdr->{"Content-Encoding"} = "gzip"; |
|
|
216 | $content = Compress::Zlib::memGzip(\$content); |
|
|
217 | $hdr->{"Content-Length"} = length $content; |
|
|
218 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
|
219 | } |
|
|
220 | |
206 | $res .= "Date: $HTTP_NOW\015\012"; |
221 | $res .= "Date: $HTTP_NOW\015\012"; |
207 | |
222 | |
208 | while (my ($h, $v) = each %$hdr) { |
223 | while (my ($h, $v) = each %$hdr) { |
209 | $res .= "$h: $v\015\012" |
224 | $res .= "$h: $v\015\012" |
210 | } |
225 | } |
211 | $res .= "\015\012"; |
226 | $res .= "\015\012"; |
212 | |
227 | |
213 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
228 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
214 | |
229 | |
215 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
230 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
216 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
231 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
217 | " \"$self->{h}{referer}\"\n"; |
232 | " \"$self->{h}{referer}\"\n"; |
218 | |
233 | |
219 | print $accesslog $log if $accesslog; |
234 | print $::accesslog $log if $::accesslog; |
220 | print STDERR $log; |
235 | print STDERR $log; |
221 | |
236 | |
222 | $self->{written} += |
237 | $self->{written} += |
223 | print {$self->{fh}} $res; |
238 | print {$self->{fh}} $res; |
224 | } |
239 | } |
… | |
… | |
283 | my (%hdr, $h, $v); |
298 | my (%hdr, $h, $v); |
284 | |
299 | |
285 | $hdr{lc $1} .= ",$2" |
300 | $hdr{lc $1} .= ",$2" |
286 | while $req =~ /\G |
301 | while $req =~ /\G |
287 | ([^:\000-\040]+): |
302 | ([^:\000-\040]+): |
288 | [\008\040]* |
303 | [\010\040]* |
289 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
304 | ((?: [^\015\012]+ | \015\012[\010\040] )*) |
290 | \015\012 |
305 | \015\012 |
291 | /gxc; |
306 | /gxc; |
292 | |
307 | |
293 | $req =~ /\G\015\012$/ |
308 | $req =~ /\G\015\012$/ |
294 | or $self->err(400, "bad request"); |
309 | or $self->err(400, "bad request"); |
… | |
… | |
306 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
321 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
307 | } |
322 | } |
308 | |
323 | |
309 | $self->{remote_id} = $id; |
324 | $self->{remote_id} = $id; |
310 | |
325 | |
|
|
326 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
327 | |
311 | if ($blocked{$id}) { |
328 | if ($blocked{$id}) { |
312 | $self->err_blocked($blocked{$id}) |
329 | $self->err_blocked |
313 | if $blocked{$id} > $::NOW; |
330 | if $blocked{$id}[0] > $::NOW; |
314 | |
331 | |
315 | delete $blocked{$id}; |
332 | delete $blocked{$id}; |
316 | } |
|
|
317 | |
|
|
318 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
319 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
320 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
321 | if ($delay < $::NOW) { |
|
|
322 | $self->slog(2, "blocked ip $id"); |
|
|
323 | $self->err_blocked; |
|
|
324 | } else { |
|
|
325 | $httpevent->wait; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | } |
333 | } |
329 | |
334 | |
330 | # find out server name and port |
335 | # find out server name and port |
331 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
336 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
332 | $host = $1; |
337 | $host = $1; |
… | |
… | |
343 | $host = inet_ntoa $host; |
348 | $host = inet_ntoa $host; |
344 | } |
349 | } |
345 | |
350 | |
346 | $self->{server_name} = $host; |
351 | $self->{server_name} = $host; |
347 | |
352 | |
348 | # enter ourselves into various lists |
|
|
349 | weaken ($conn{$id}{$self*1} = $self); |
|
|
350 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
353 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
351 | |
354 | |
352 | eval { |
355 | eval { |
353 | $self->map_uri; |
356 | $self->map_uri; |
354 | $self->respond; |
357 | $self->respond; |
355 | }; |
358 | }; |
356 | |
359 | |
357 | $self->eoconn; |
|
|
358 | |
|
|
359 | die if $@ && !ref $@; |
360 | die if $@ && !ref $@; |
360 | |
361 | |
361 | last if $self->{h}{connection} =~ /close/; |
362 | last if $self->{h}{connection} =~ /close/i; |
362 | |
363 | |
363 | $httpevent->broadcast; |
364 | $httpevent->broadcast; |
364 | |
365 | |
365 | $fh->timeout($::PER_TIMEOUT); |
366 | $fh->timeout($::PER_TIMEOUT); |
366 | } |
367 | } |
|
|
368 | } |
|
|
369 | |
|
|
370 | sub block { |
|
|
371 | my $self = shift; |
|
|
372 | |
|
|
373 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
374 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
375 | $self->err_blocked; |
367 | } |
376 | } |
368 | |
377 | |
369 | # uri => path mapping |
378 | # uri => path mapping |
370 | sub map_uri { |
379 | sub map_uri { |
371 | my $self = shift; |
380 | my $self = shift; |
… | |
… | |
447 | $ims < $self->{stat}[9] |
456 | $ims < $self->{stat}[9] |
448 | or $self->err(304, "not modified"); |
457 | or $self->err(304, "not modified"); |
449 | |
458 | |
450 | if (-r "$path/index.html") { |
459 | if (-r "$path/index.html") { |
451 | # replace directory "size" by index.html filesize |
460 | # replace directory "size" by index.html filesize |
452 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
461 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
453 | $self->handle_file($queue_index); |
462 | $self->handle_file($queue_index); |
454 | } else { |
463 | } else { |
455 | $self->handle_dir; |
464 | $self->handle_dir; |
456 | } |
465 | } |
457 | } |
466 | } |
458 | } elsif (-f _ && -r _) { |
467 | } elsif (-f _ && -r _) { |
459 | -x _ and $self->err(403, "forbidden"); |
468 | -x _ and $self->err(403, "forbidden"); |
460 | $self->handle_file(-s _ >= $::TRANSFER_SMALL ? $queue_large : $queue_small); |
469 | |
|
|
470 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
471 | my $timeout = $::NOW + 10; |
|
|
472 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
473 | if ($timeout < $::NOW) { |
|
|
474 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
475 | } else { |
|
|
476 | $httpevent->wait; |
|
|
477 | } |
|
|
478 | } |
|
|
479 | } |
|
|
480 | |
|
|
481 | $self->handle_file($queue_file); |
461 | } else { |
482 | } else { |
462 | $self->err(404, "not found"); |
483 | $self->err(404, "not found"); |
463 | } |
484 | } |
464 | } |
485 | } |
465 | } |
486 | } |
… | |
… | |
470 | |
491 | |
471 | $self->response(200, "ok", |
492 | $self->response(200, "ok", |
472 | { |
493 | { |
473 | "Content-Type" => "text/html", |
494 | "Content-Type" => "text/html", |
474 | "Content-Length" => length $idx, |
495 | "Content-Length" => length $idx, |
475 | "Last-Modified" => time2str ((stat _)[9]), |
496 | "Last-Modified" => time2str ($self->{stat}[9]), |
476 | }, |
497 | }, |
477 | $idx); |
498 | $idx); |
478 | } |
499 | } |
479 | |
500 | |
480 | sub handle_file { |
501 | sub handle_file { |
… | |
… | |
504 | $self->err(416, "not satisfiable", $hdr, ""); |
525 | $self->err(416, "not satisfiable", $hdr, ""); |
505 | |
526 | |
506 | satisfiable: |
527 | satisfiable: |
507 | # check for segmented downloads |
528 | # check for segmented downloads |
508 | if ($l && $::NO_SEGMENTED) { |
529 | if ($l && $::NO_SEGMENTED) { |
509 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
530 | my $timeout = $::NOW + 15; |
510 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
531 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
511 | if ($delay <= $::NOW) { |
532 | if ($timeout <= $::NOW) { |
|
|
533 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
512 | $self->err_segmented_download; |
534 | #$self->err_segmented_download; |
513 | } else { |
535 | } else { |
514 | $httpevent->wait; |
536 | $httpevent->wait; |
515 | } |
537 | } |
516 | } |
538 | } |
517 | } |
539 | } |
… | |
… | |
547 | if ($l) { |
569 | if ($l) { |
548 | sysseek $fh, $l, 0; |
570 | sysseek $fh, $l, 0; |
549 | } |
571 | } |
550 | } |
572 | } |
551 | |
573 | |
552 | my $transfer = $queue->start_transfer; |
574 | my $transfer = $queue->start_transfer($h); |
553 | my $locked; |
575 | my $locked; |
554 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
576 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
555 | |
577 | |
556 | while ($h > 0) { |
578 | while ($h > 0) { |
557 | unless ($locked) { |
579 | unless ($locked) { |
558 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
580 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
559 | $bufsize = $::BUFSIZE; |
581 | $bufsize = $::BUFSIZE; |
560 | $self->{time} = $::NOW; |
582 | $self->{time} = $::NOW; |
561 | } |
583 | } |
|
|
584 | } |
|
|
585 | |
|
|
586 | if ($blocked{$self->{remote_id}}) { |
|
|
587 | $self->{h}{connection} = "close"; |
|
|
588 | die bless {}, err::; |
562 | } |
589 | } |
563 | |
590 | |
564 | if (0) { # !AIO |
591 | if (0) { # !AIO |
565 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
592 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
566 | or last; |
593 | or last; |