… | |
… | |
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; |
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
38 | |
58 | our $queue_index = new transferqueue 10; |
39 | our @transfers = ( |
|
|
40 | (new Coro::Semaphore $MAX_TRANSFERS_SMALL), |
|
|
41 | (new Coro::Semaphore $MAX_TRANSFERS_LARGE), |
|
|
42 | ); |
|
|
43 | |
59 | |
44 | my @newcons; |
60 | my @newcons; |
45 | my @pool; |
61 | my @pool; |
46 | |
62 | |
47 | # one "execution thread" |
63 | # one "execution thread" |
… | |
… | |
50 | if (@newcons) { |
66 | if (@newcons) { |
51 | eval { |
67 | eval { |
52 | conn->new(@{pop @newcons})->handle; |
68 | conn->new(@{pop @newcons})->handle; |
53 | }; |
69 | }; |
54 | slog 1, "$@" if $@ && !ref $@; |
70 | slog 1, "$@" if $@ && !ref $@; |
|
|
71 | |
|
|
72 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
73 | |
55 | $connections->up; |
74 | $connections->up; |
56 | } else { |
75 | } else { |
57 | last if @pool >= $MAX_POOL; |
76 | last if @pool >= $MAX_POOL; |
58 | push @pool, $Coro::current; |
77 | push @pool, $Coro::current; |
59 | schedule; |
78 | schedule; |
… | |
… | |
101 | or die "unable to start server"; |
120 | or die "unable to start server"; |
102 | |
121 | |
103 | listen_on $http_port; |
122 | listen_on $http_port; |
104 | } |
123 | } |
105 | |
124 | |
106 | our $NOW; |
|
|
107 | our $HTTP_NOW; |
|
|
108 | |
|
|
109 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
110 | $NOW = time; |
|
|
111 | $HTTP_NOW = time2str $NOW; |
|
|
112 | })->now; |
|
|
113 | |
|
|
114 | package conn; |
125 | package conn; |
115 | |
126 | |
116 | use Socket; |
127 | use Socket; |
117 | use HTTP::Date; |
128 | use HTTP::Date; |
118 | use Convert::Scalar 'weaken'; |
129 | use Convert::Scalar 'weaken'; |
… | |
… | |
150 | my $peername = shift; |
161 | my $peername = shift; |
151 | my $self = bless { fh => $fh }, $class; |
162 | my $self = bless { fh => $fh }, $class; |
152 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
163 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
153 | or $self->err(500, "unable to decode peername"); |
164 | or $self->err(500, "unable to decode peername"); |
154 | |
165 | |
|
|
166 | $self->{remote_addr} = |
155 | $self->{remote_addr} = 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++; |
|
|
174 | $::maxconns = $::conns if $::conns > $::maxconns; |
161 | |
175 | |
162 | $self; |
176 | $self; |
163 | } |
177 | } |
164 | |
178 | |
165 | sub DESTROY { |
179 | sub DESTROY { |
166 | my $self = shift; |
180 | #my $self = shift; |
167 | $::conns--; |
181 | $::conns--; |
168 | $self->eoconn; |
|
|
169 | } |
|
|
170 | |
|
|
171 | # end of connection |
|
|
172 | sub eoconn { |
|
|
173 | my $self = shift; |
|
|
174 | |
|
|
175 | # clean up hints |
|
|
176 | delete $conn{$self->{remote_id}}{$self*1}; |
|
|
177 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
|
|
178 | |
|
|
179 | $httpevent->broadcast; |
|
|
180 | } |
182 | } |
181 | |
183 | |
182 | sub slog { |
184 | sub slog { |
183 | my $self = shift; |
185 | my $self = shift; |
184 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
186 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
185 | } |
187 | } |
186 | |
188 | |
187 | sub response { |
189 | sub response { |
188 | my ($self, $code, $msg, $hdr, $content) = @_; |
190 | my ($self, $code, $msg, $hdr, $content) = @_; |
189 | my $res = "HTTP/1.1 $code $msg\015\012"; |
191 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
192 | my $GZ = ""; |
190 | |
193 | |
191 | if (exists $hdr->{Connection}) { |
194 | if (exists $hdr->{Connection}) { |
192 | if ($hdr->{Connection} =~ /close/) { |
195 | if ($hdr->{Connection} =~ /close/) { |
193 | $self->{h}{connection} = "close" |
196 | $self->{h}{connection} = "close" |
194 | } |
197 | } |
… | |
… | |
200 | $self->{h}{connection} = "close" |
203 | $self->{h}{connection} = "close" |
201 | } |
204 | } |
202 | } |
205 | } |
203 | } |
206 | } |
204 | |
207 | |
|
|
208 | if ($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 | |
205 | $res .= "Date: $HTTP_NOW\015\012"; |
221 | $res .= "Date: $HTTP_NOW\015\012"; |
206 | |
222 | |
207 | while (my ($h, $v) = each %$hdr) { |
223 | while (my ($h, $v) = each %$hdr) { |
208 | $res .= "$h: $v\015\012" |
224 | $res .= "$h: $v\015\012" |
209 | } |
225 | } |
210 | $res .= "\015\012"; |
226 | $res .= "\015\012"; |
211 | |
227 | |
212 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
228 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
213 | |
229 | |
214 | 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). |
215 | " $self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
231 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
|
|
232 | " \"$self->{h}{referer}\"\n"; |
216 | |
233 | |
217 | print $accesslog $log if $accesslog; |
234 | print $accesslog $log if $accesslog; |
218 | print STDERR $log; |
235 | print STDERR $log; |
219 | |
236 | |
220 | $self->{written} += |
237 | $self->{written} += |
… | |
… | |
281 | my (%hdr, $h, $v); |
298 | my (%hdr, $h, $v); |
282 | |
299 | |
283 | $hdr{lc $1} .= ",$2" |
300 | $hdr{lc $1} .= ",$2" |
284 | while $req =~ /\G |
301 | while $req =~ /\G |
285 | ([^:\000-\040]+): |
302 | ([^:\000-\040]+): |
286 | [\008\040]* |
303 | [\010\040]* |
287 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
304 | ((?: [^\015\012]+ | \015\012[\010\040] )*) |
288 | \015\012 |
305 | \015\012 |
289 | /gxc; |
306 | /gxc; |
290 | |
307 | |
291 | $req =~ /\G\015\012$/ |
308 | $req =~ /\G\015\012$/ |
292 | or $self->err(400, "bad request"); |
309 | or $self->err(400, "bad request"); |
… | |
… | |
304 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
321 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
305 | } |
322 | } |
306 | |
323 | |
307 | $self->{remote_id} = $id; |
324 | $self->{remote_id} = $id; |
308 | |
325 | |
|
|
326 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
327 | |
309 | if ($blocked{$id}) { |
328 | if ($blocked{$id}) { |
310 | $self->err_blocked($blocked{$id}) |
329 | $self->err_blocked |
311 | if $blocked{$id} > $::NOW; |
330 | if $blocked{$id}[0] > $::NOW; |
312 | |
331 | |
313 | delete $blocked{$id}; |
332 | delete $blocked{$id}; |
314 | } |
|
|
315 | |
|
|
316 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
317 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
318 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
319 | if ($delay < $::NOW) { |
|
|
320 | $self->slog(2, "blocked ip $id"); |
|
|
321 | $self->err_blocked; |
|
|
322 | } else { |
|
|
323 | $httpevent->wait; |
|
|
324 | } |
|
|
325 | } |
|
|
326 | } |
333 | } |
327 | |
334 | |
328 | # find out server name and port |
335 | # find out server name and port |
329 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
336 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
330 | $host = $1; |
337 | $host = $1; |
… | |
… | |
341 | $host = inet_ntoa $host; |
348 | $host = inet_ntoa $host; |
342 | } |
349 | } |
343 | |
350 | |
344 | $self->{server_name} = $host; |
351 | $self->{server_name} = $host; |
345 | |
352 | |
346 | # enter ourselves into various lists |
|
|
347 | weaken ($conn{$id}{$self*1} = $self); |
|
|
348 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
353 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
349 | |
354 | |
350 | eval { |
355 | eval { |
351 | $self->map_uri; |
356 | $self->map_uri; |
352 | $self->respond; |
357 | $self->respond; |
353 | }; |
358 | }; |
354 | |
359 | |
355 | $self->eoconn; |
|
|
356 | |
|
|
357 | die if $@ && !ref $@; |
360 | die if $@ && !ref $@; |
358 | |
361 | |
359 | last if $self->{h}{connection} =~ /close/; |
362 | last if $self->{h}{connection} =~ /close/i; |
360 | |
363 | |
361 | $httpevent->broadcast; |
364 | $httpevent->broadcast; |
362 | |
365 | |
363 | $fh->timeout($::PER_TIMEOUT); |
366 | $fh->timeout($::PER_TIMEOUT); |
364 | } |
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; |
365 | } |
376 | } |
366 | |
377 | |
367 | # uri => path mapping |
378 | # uri => path mapping |
368 | sub map_uri { |
379 | sub map_uri { |
369 | my $self = shift; |
380 | my $self = shift; |
… | |
… | |
445 | $ims < $self->{stat}[9] |
456 | $ims < $self->{stat}[9] |
446 | or $self->err(304, "not modified"); |
457 | or $self->err(304, "not modified"); |
447 | |
458 | |
448 | if (-r "$path/index.html") { |
459 | if (-r "$path/index.html") { |
449 | # replace directory "size" by index.html filesize |
460 | # replace directory "size" by index.html filesize |
450 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
461 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
451 | $self->handle_file; |
462 | $self->handle_file($queue_index); |
452 | } else { |
463 | } else { |
453 | $self->handle_dir; |
464 | $self->handle_dir; |
454 | } |
465 | } |
455 | } |
466 | } |
456 | } elsif (-f _ && -r _) { |
467 | } elsif (-f _ && -r _) { |
457 | -x _ and $self->err(403, "forbidden"); |
468 | -x _ and $self->err(403, "forbidden"); |
|
|
469 | |
|
|
470 | if (keys %{$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 | |
458 | $self->handle_file; |
481 | $self->handle_file($queue_file); |
459 | } else { |
482 | } else { |
460 | $self->err(404, "not found"); |
483 | $self->err(404, "not found"); |
461 | } |
484 | } |
462 | } |
485 | } |
463 | } |
486 | } |
… | |
… | |
468 | |
491 | |
469 | $self->response(200, "ok", |
492 | $self->response(200, "ok", |
470 | { |
493 | { |
471 | "Content-Type" => "text/html", |
494 | "Content-Type" => "text/html", |
472 | "Content-Length" => length $idx, |
495 | "Content-Length" => length $idx, |
473 | "Last-Modified" => time2str ((stat _)[9]), |
496 | "Last-Modified" => time2str ($self->{stat}[9]), |
474 | }, |
497 | }, |
475 | $idx); |
498 | $idx); |
476 | } |
499 | } |
477 | |
500 | |
478 | sub handle_file { |
501 | sub handle_file { |
479 | my $self = shift; |
502 | my ($self, $queue) = @_; |
480 | my $length = $self->{stat}[7]; |
503 | my $length = $self->{stat}[7]; |
481 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
482 | my $hdr = { |
504 | my $hdr = { |
483 | "Last-Modified" => time2str ((stat _)[9]), |
505 | "Last-Modified" => time2str ((stat _)[9]), |
484 | }; |
506 | }; |
485 | |
507 | |
486 | my @code = (200, "ok"); |
508 | my @code = (200, "ok"); |
… | |
… | |
503 | $self->err(416, "not satisfiable", $hdr, ""); |
525 | $self->err(416, "not satisfiable", $hdr, ""); |
504 | |
526 | |
505 | satisfiable: |
527 | satisfiable: |
506 | # check for segmented downloads |
528 | # check for segmented downloads |
507 | if ($l && $::NO_SEGMENTED) { |
529 | if ($l && $::NO_SEGMENTED) { |
508 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
530 | my $timeout = $::NOW + 15; |
509 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
531 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
510 | if ($delay <= $::NOW) { |
532 | if ($timeout <= $::NOW) { |
|
|
533 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
511 | $self->err_segmented_download; |
534 | #$self->err_segmented_download; |
512 | } else { |
535 | } else { |
513 | $httpevent->wait; |
536 | $httpevent->wait; |
514 | } |
537 | } |
515 | } |
538 | } |
516 | } |
539 | } |
… | |
… | |
546 | if ($l) { |
569 | if ($l) { |
547 | sysseek $fh, $l, 0; |
570 | sysseek $fh, $l, 0; |
548 | } |
571 | } |
549 | } |
572 | } |
550 | |
573 | |
551 | my $transfer; # transfer guard |
574 | my $transfer = $queue->start_transfer($h); |
|
|
575 | my $locked; |
552 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
576 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
553 | |
577 | |
554 | $self->{time} = $::NOW; |
|
|
555 | |
|
|
556 | while ($h > 0) { |
578 | while ($h > 0) { |
557 | unless ($transfer) { |
579 | unless ($locked) { |
558 | if ($transfer ||= $queue->timed_guard($::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; |