… | |
… | |
15 | # and quite a bit slower than thttpd :( |
15 | # and quite a bit slower than thttpd :( |
16 | |
16 | |
17 | $SIG{PIPE} = 'IGNORE'; |
17 | $SIG{PIPE} = 'IGNORE'; |
18 | |
18 | |
19 | our $accesslog; |
19 | our $accesslog; |
|
|
20 | our $errorlog; |
|
|
21 | |
|
|
22 | our $NOW; |
|
|
23 | our $HTTP_NOW; |
|
|
24 | |
|
|
25 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
26 | $NOW = time; |
|
|
27 | $HTTP_NOW = time2str $NOW; |
|
|
28 | })->now; |
|
|
29 | |
|
|
30 | if ($ERROR_LOG) { |
|
|
31 | use IO::Handle; |
|
|
32 | open $errorlog, ">>$ERROR_LOG" |
|
|
33 | or die "$ERROR_LOG: $!"; |
|
|
34 | $errorlog->autoflush(1); |
|
|
35 | } |
20 | |
36 | |
21 | if ($ACCESS_LOG) { |
37 | if ($ACCESS_LOG) { |
22 | use IO::Handle; |
38 | use IO::Handle; |
23 | open $accesslog, ">>$ACCESS_LOG" |
39 | open $accesslog, ">>$ACCESS_LOG" |
24 | or die "$ACCESS_LOG: $!"; |
40 | or die "$ACCESS_LOG: $!"; |
… | |
… | |
26 | } |
42 | } |
27 | |
43 | |
28 | sub slog { |
44 | sub slog { |
29 | my $level = shift; |
45 | my $level = shift; |
30 | my $format = shift; |
46 | my $format = shift; |
|
|
47 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
31 | printf "---: $format\n", @_; |
48 | printf "$NOW: $format\n", @_; |
|
|
49 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
32 | } |
50 | } |
33 | |
51 | |
34 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
52 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
35 | our $httpevent = new Coro::Signal; |
53 | our $httpevent = new Coro::Signal; |
36 | |
54 | |
37 | our $wait_factor = 0.95; |
55 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
38 | |
56 | our $queue_index = new transferqueue 10; |
39 | our @transfers = ( |
|
|
40 | (new Coro::Semaphore $MAX_TRANSFERS_SMALL), |
|
|
41 | (new Coro::Semaphore $MAX_TRANSFERS_LARGE), |
|
|
42 | ); |
|
|
43 | |
57 | |
44 | my @newcons; |
58 | my @newcons; |
45 | my @pool; |
59 | my @pool; |
46 | |
60 | |
47 | # one "execution thread" |
61 | # one "execution thread" |
… | |
… | |
50 | if (@newcons) { |
64 | if (@newcons) { |
51 | eval { |
65 | eval { |
52 | conn->new(@{pop @newcons})->handle; |
66 | conn->new(@{pop @newcons})->handle; |
53 | }; |
67 | }; |
54 | slog 1, "$@" if $@ && !ref $@; |
68 | slog 1, "$@" if $@ && !ref $@; |
|
|
69 | |
|
|
70 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
71 | |
55 | $connections->up; |
72 | $connections->up; |
56 | } else { |
73 | } else { |
57 | last if @pool >= $MAX_POOL; |
74 | last if @pool >= $MAX_POOL; |
58 | push @pool, $Coro::current; |
75 | push @pool, $Coro::current; |
59 | schedule; |
76 | schedule; |
… | |
… | |
101 | or die "unable to start server"; |
118 | or die "unable to start server"; |
102 | |
119 | |
103 | listen_on $http_port; |
120 | listen_on $http_port; |
104 | } |
121 | } |
105 | |
122 | |
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; |
123 | package conn; |
115 | |
124 | |
116 | use Socket; |
125 | use Socket; |
117 | use HTTP::Date; |
126 | use HTTP::Date; |
118 | use Convert::Scalar 'weaken'; |
127 | use Convert::Scalar 'weaken'; |
… | |
… | |
157 | $self->{time} = $::NOW; |
166 | $self->{time} = $::NOW; |
158 | |
167 | |
159 | weaken ($Coro::current->{conn} = $self); |
168 | weaken ($Coro::current->{conn} = $self); |
160 | |
169 | |
161 | $::conns++; |
170 | $::conns++; |
|
|
171 | $::maxconns = $::conns if $::conns > $::maxconns; |
162 | |
172 | |
163 | $self; |
173 | $self; |
164 | } |
174 | } |
165 | |
175 | |
166 | sub DESTROY { |
176 | sub DESTROY { |
167 | my $self = shift; |
177 | #my $self = shift; |
168 | $::conns--; |
178 | $::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 | } |
179 | } |
182 | |
180 | |
183 | sub slog { |
181 | sub slog { |
184 | my $self = shift; |
182 | my $self = shift; |
185 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
183 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
… | |
… | |
306 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
304 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
307 | } |
305 | } |
308 | |
306 | |
309 | $self->{remote_id} = $id; |
307 | $self->{remote_id} = $id; |
310 | |
308 | |
|
|
309 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
310 | |
311 | if ($blocked{$id}) { |
311 | if ($blocked{$id}) { |
312 | $self->err_blocked($blocked{$id}) |
312 | $self->err_blocked |
313 | if $blocked{$id} > $::NOW; |
313 | if $blocked{$id}[0] > $::NOW; |
314 | |
314 | |
315 | delete $blocked{$id}; |
315 | 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 | $httpevent->wait; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | } |
316 | } |
329 | |
317 | |
330 | # find out server name and port |
318 | # find out server name and port |
331 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
319 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
332 | $host = $1; |
320 | $host = $1; |
… | |
… | |
343 | $host = inet_ntoa $host; |
331 | $host = inet_ntoa $host; |
344 | } |
332 | } |
345 | |
333 | |
346 | $self->{server_name} = $host; |
334 | $self->{server_name} = $host; |
347 | |
335 | |
348 | # enter ourselves into various lists |
|
|
349 | weaken ($conn{$id}{$self*1} = $self); |
|
|
350 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
336 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
351 | |
337 | |
352 | eval { |
338 | eval { |
353 | $self->map_uri; |
339 | $self->map_uri; |
354 | $self->respond; |
340 | $self->respond; |
355 | }; |
341 | }; |
356 | |
342 | |
357 | $self->eoconn; |
|
|
358 | |
|
|
359 | die if $@ && !ref $@; |
343 | die if $@ && !ref $@; |
360 | |
344 | |
361 | last if $self->{h}{connection} =~ /close/; |
345 | last if $self->{h}{connection} =~ /close/i; |
362 | |
346 | |
363 | $httpevent->broadcast; |
347 | $httpevent->broadcast; |
364 | |
348 | |
365 | $fh->timeout($::PER_TIMEOUT); |
349 | $fh->timeout($::PER_TIMEOUT); |
366 | } |
350 | } |
|
|
351 | } |
|
|
352 | |
|
|
353 | sub block { |
|
|
354 | my $self = shift; |
|
|
355 | |
|
|
356 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
357 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
358 | $self->err_blocked; |
367 | } |
359 | } |
368 | |
360 | |
369 | # uri => path mapping |
361 | # uri => path mapping |
370 | sub map_uri { |
362 | sub map_uri { |
371 | my $self = shift; |
363 | my $self = shift; |
… | |
… | |
447 | $ims < $self->{stat}[9] |
439 | $ims < $self->{stat}[9] |
448 | or $self->err(304, "not modified"); |
440 | or $self->err(304, "not modified"); |
449 | |
441 | |
450 | if (-r "$path/index.html") { |
442 | if (-r "$path/index.html") { |
451 | # replace directory "size" by index.html filesize |
443 | # replace directory "size" by index.html filesize |
452 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
444 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
453 | $self->handle_file; |
445 | $self->handle_file($queue_index); |
454 | } else { |
446 | } else { |
455 | $self->handle_dir; |
447 | $self->handle_dir; |
456 | } |
448 | } |
457 | } |
449 | } |
458 | } elsif (-f _ && -r _) { |
450 | } elsif (-f _ && -r _) { |
459 | -x _ and $self->err(403, "forbidden"); |
451 | -x _ and $self->err(403, "forbidden"); |
|
|
452 | |
|
|
453 | if (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
454 | my $timeout = $::NOW + 10; |
|
|
455 | while (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
456 | if ($timeout < $::NOW) { |
|
|
457 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
458 | } else { |
|
|
459 | $httpevent->wait; |
|
|
460 | } |
|
|
461 | } |
|
|
462 | } |
|
|
463 | |
460 | $self->handle_file; |
464 | $self->handle_file($queue_file); |
461 | } else { |
465 | } else { |
462 | $self->err(404, "not found"); |
466 | $self->err(404, "not found"); |
463 | } |
467 | } |
464 | } |
468 | } |
465 | } |
469 | } |
… | |
… | |
470 | |
474 | |
471 | $self->response(200, "ok", |
475 | $self->response(200, "ok", |
472 | { |
476 | { |
473 | "Content-Type" => "text/html", |
477 | "Content-Type" => "text/html", |
474 | "Content-Length" => length $idx, |
478 | "Content-Length" => length $idx, |
475 | #d# directories change all the time, so X- |
|
|
476 | "X-Last-Modified" => time2str ((stat _)[9]), |
479 | "Last-Modified" => time2str ($self->{stat}[9]), |
477 | }, |
480 | }, |
478 | $idx); |
481 | $idx); |
479 | } |
482 | } |
480 | |
483 | |
481 | sub handle_file { |
484 | sub handle_file { |
482 | my $self = shift; |
485 | my ($self, $queue) = @_; |
483 | my $length = $self->{stat}[7]; |
486 | my $length = $self->{stat}[7]; |
484 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
485 | my $hdr = { |
487 | my $hdr = { |
486 | "Last-Modified" => time2str ((stat _)[9]), |
488 | "Last-Modified" => time2str ((stat _)[9]), |
487 | }; |
489 | }; |
488 | |
490 | |
489 | my @code = (200, "ok"); |
491 | my @code = (200, "ok"); |
… | |
… | |
506 | $self->err(416, "not satisfiable", $hdr, ""); |
508 | $self->err(416, "not satisfiable", $hdr, ""); |
507 | |
509 | |
508 | satisfiable: |
510 | satisfiable: |
509 | # check for segmented downloads |
511 | # check for segmented downloads |
510 | if ($l && $::NO_SEGMENTED) { |
512 | if ($l && $::NO_SEGMENTED) { |
511 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
513 | my $timeout = $::NOW + 15; |
512 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
514 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
513 | if ($delay <= $::NOW) { |
515 | if ($timeout <= $::NOW) { |
|
|
516 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
514 | $self->err_segmented_download; |
517 | #$self->err_segmented_download; |
515 | } else { |
518 | } else { |
516 | $httpevent->wait; |
519 | $httpevent->wait; |
517 | } |
520 | } |
518 | } |
521 | } |
519 | } |
522 | } |
… | |
… | |
549 | if ($l) { |
552 | if ($l) { |
550 | sysseek $fh, $l, 0; |
553 | sysseek $fh, $l, 0; |
551 | } |
554 | } |
552 | } |
555 | } |
553 | |
556 | |
554 | my $transfer; # transfer guard |
557 | my $transfer = $queue->start_transfer($h); |
|
|
558 | my $locked; |
555 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
559 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
556 | |
560 | |
557 | $self->{time} = $::NOW; |
|
|
558 | |
|
|
559 | while ($h > 0) { |
561 | while ($h > 0) { |
560 | unless ($transfer) { |
562 | unless ($locked) { |
561 | if ($transfer ||= $queue->timed_guard($::WAIT_INTERVAL)) { |
563 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
562 | $bufsize = $::BUFSIZE; |
564 | $bufsize = $::BUFSIZE; |
563 | $self->{time} = $::NOW; |
565 | $self->{time} = $::NOW; |
564 | } |
566 | } |
|
|
567 | } |
|
|
568 | |
|
|
569 | if ($blocked{$self->{remote_id}}) { |
|
|
570 | $self->{h}{connection} = "close"; |
|
|
571 | die bless {}, err:: |
565 | } |
572 | } |
566 | |
573 | |
567 | if (0) { # !AIO |
574 | if (0) { # !AIO |
568 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
575 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
569 | or last; |
576 | or last; |