1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::Event; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
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5 | use Coro::Signal; |
5 | |
6 | |
6 | use HTTP::Date; |
7 | use HTTP::Date; |
7 | |
8 | |
8 | no utf8; |
9 | no utf8; |
9 | use bytes; |
10 | use bytes; |
… | |
… | |
28 | my $format = shift; |
29 | my $format = shift; |
29 | printf "---: $format\n", @_; |
30 | printf "---: $format\n", @_; |
30 | } |
31 | } |
31 | |
32 | |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
33 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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34 | our $httpevent = new Coro::Signal; |
33 | |
35 | |
34 | our $wait_factor = 0.95; |
36 | our $wait_factor = 0.95; |
35 | |
37 | |
36 | our @transfers = ( |
38 | our @transfers = ( |
37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
39 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
… | |
… | |
42 | my @pool; |
44 | my @pool; |
43 | |
45 | |
44 | # one "execution thread" |
46 | # one "execution thread" |
45 | sub handler { |
47 | sub handler { |
46 | while () { |
48 | while () { |
47 | my $new = pop @newcons; |
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48 | if ($new) { |
49 | if (@newcons) { |
49 | eval { |
50 | eval { |
50 | conn->new(@$new)->handle; |
51 | conn->new(@{pop @newcons})->handle; |
51 | }; |
52 | }; |
52 | slog 1, "$@" if $@ && !ref $@; |
53 | slog 1, "$@" if $@ && !ref $@; |
53 | $connections->up; |
54 | $connections->up; |
54 | } else { |
55 | } else { |
55 | last if @pool >= $MAX_POOL; |
56 | last if @pool >= $MAX_POOL; |
… | |
… | |
57 | schedule; |
58 | schedule; |
58 | } |
59 | } |
59 | } |
60 | } |
60 | } |
61 | } |
61 | |
62 | |
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63 | sub listen_on { |
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64 | my $listen = $_[0]; |
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65 | |
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66 | push @listen_sockets, $listen; |
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67 | |
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68 | # the "main thread" |
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69 | async { |
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70 | slog 1, "accepting connections"; |
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71 | while () { |
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72 | $connections->down; |
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73 | push @newcons, [$listen->accept]; |
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74 | #slog 3, "accepted @$connections ".scalar(@pool); |
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75 | if (@pool) { |
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76 | (pop @pool)->ready; |
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77 | } else { |
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78 | async \&handler; |
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79 | } |
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80 | |
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81 | } |
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82 | }; |
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83 | } |
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84 | |
62 | my $http_port = new Coro::Socket |
85 | my $http_port = new Coro::Socket |
63 | LocalAddr => $SERVER_HOST, |
86 | LocalAddr => $SERVER_HOST, |
64 | LocalPort => $SERVER_PORT, |
87 | LocalPort => $SERVER_PORT, |
65 | ReuseAddr => 1, |
88 | ReuseAddr => 1, |
66 | Listen => 50, |
89 | Listen => 50, |
67 | or die "unable to start server"; |
90 | or die "unable to start server"; |
68 | |
91 | |
69 | push @listen_sockets, $http_port; |
92 | listen_on $http_port; |
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93 | |
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94 | if ($SERVER_PORT2) { |
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95 | my $http_port = new Coro::Socket |
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96 | LocalAddr => $SERVER_HOST, |
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97 | LocalPort => $SERVER_PORT2, |
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98 | ReuseAddr => 1, |
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99 | Listen => 50, |
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100 | or die "unable to start server"; |
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101 | |
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102 | listen_on $http_port; |
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103 | } |
70 | |
104 | |
71 | our $NOW; |
105 | our $NOW; |
72 | our $HTTP_NOW; |
106 | our $HTTP_NOW; |
73 | |
107 | |
74 | Event->timer(interval => 1, hard => 1, cb => sub { |
108 | Event->timer(interval => 1, hard => 1, cb => sub { |
75 | $NOW = time; |
109 | $NOW = time; |
76 | $HTTP_NOW = time2str $NOW; |
110 | $HTTP_NOW = time2str $NOW; |
77 | })->now; |
111 | })->now; |
78 | |
112 | |
79 | # the "main thread" |
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80 | async { |
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81 | slog 1, "accepting connections"; |
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82 | while () { |
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83 | $connections->down; |
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84 | push @newcons, [$http_port->accept]; |
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85 | #slog 3, "accepted @$connections ".scalar(@pool); |
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86 | if (@pool) { |
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87 | (pop @pool)->ready; |
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88 | } else { |
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89 | async \&handler; |
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90 | } |
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91 | |
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92 | } |
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93 | }; |
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94 | |
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95 | package conn; |
113 | package conn; |
96 | |
114 | |
97 | use Socket; |
115 | use Socket; |
98 | use HTTP::Date; |
116 | use HTTP::Date; |
99 | use Convert::Scalar 'weaken'; |
117 | use Convert::Scalar 'weaken'; |
100 | use Linux::AIO; |
118 | use Linux::AIO; |
101 | |
119 | |
102 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
120 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
103 | |
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104 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
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105 | |
121 | |
106 | Event->io(fd => Linux::AIO::poll_fileno, |
122 | Event->io(fd => Linux::AIO::poll_fileno, |
107 | poll => 'r', async => 1, |
123 | poll => 'r', async => 1, |
108 | cb => \&Linux::AIO::poll_cb); |
124 | cb => \&Linux::AIO::poll_cb); |
109 | |
125 | |
… | |
… | |
127 | |
143 | |
128 | read_mimetypes; |
144 | read_mimetypes; |
129 | |
145 | |
130 | sub new { |
146 | sub new { |
131 | my $class = shift; |
147 | my $class = shift; |
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148 | my $fh = shift; |
132 | my $peername = shift; |
149 | my $peername = shift; |
133 | my $fh = shift; |
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134 | my $self = bless { fh => $fh }, $class; |
150 | my $self = bless { fh => $fh }, $class; |
135 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
151 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
136 | or $self->err(500, "unable to decode peername"); |
152 | or $self->err(500, "unable to decode peername"); |
137 | |
153 | |
138 | $self->{remote_addr} = inet_ntoa $iaddr; |
154 | $self->{remote_addr} = inet_ntoa $iaddr; |
… | |
… | |
143 | $self; |
159 | $self; |
144 | } |
160 | } |
145 | |
161 | |
146 | sub DESTROY { |
162 | sub DESTROY { |
147 | my $self = shift; |
163 | my $self = shift; |
148 | |
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149 | $::conns--; |
164 | $::conns--; |
150 | |
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151 | $self->eoconn; |
165 | $self->eoconn; |
152 | } |
166 | } |
153 | |
167 | |
154 | # end of connection |
168 | # end of connection |
155 | sub eoconn { |
169 | sub eoconn { |
156 | my $self = shift; |
170 | my $self = shift; |
157 | |
171 | |
158 | # clean up hints |
172 | # clean up hints |
159 | delete $conn{$self->{remote_id}}{$self*1}; |
173 | delete $conn{$self->{remote_id}}{$self*1}; |
160 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
174 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
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175 | |
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176 | $httpevent->broadcast; |
161 | } |
177 | } |
162 | |
178 | |
163 | sub slog { |
179 | sub slog { |
164 | my $self = shift; |
180 | my $self = shift; |
165 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
181 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
… | |
… | |
167 | |
183 | |
168 | sub response { |
184 | sub response { |
169 | my ($self, $code, $msg, $hdr, $content) = @_; |
185 | my ($self, $code, $msg, $hdr, $content) = @_; |
170 | my $res = "HTTP/1.1 $code $msg\015\012"; |
186 | my $res = "HTTP/1.1 $code $msg\015\012"; |
171 | |
187 | |
172 | $self->{h}{connection} ||= $hdr->{Connection}; |
188 | $self->{h}{connection} = "close" |
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189 | if exists $hdr->{Connection} # to avoid "empty" header lines due to vivification |
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190 | and $hdr->{Connection} =~ /close/; |
173 | |
191 | |
174 | $res .= "Date: $HTTP_NOW\015\012"; |
192 | $res .= "Date: $HTTP_NOW\015\012"; |
175 | |
193 | |
176 | while (my ($h, $v) = each %$hdr) { |
194 | while (my ($h, $v) = each %$hdr) { |
177 | $res .= "$h: $v\015\012" |
195 | $res .= "$h: $v\015\012" |
… | |
… | |
280 | |
298 | |
281 | delete $blocked{$id}; |
299 | delete $blocked{$id}; |
282 | } |
300 | } |
283 | |
301 | |
284 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
302 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
285 | my $delay = $::PER_TIMEOUT + 15; |
303 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
286 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
304 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
287 | if ($delay <= 0) { |
305 | if ($delay < $::NOW) { |
288 | $self->slog(2, "blocked ip $id"); |
306 | $self->slog(2, "blocked ip $id"); |
289 | $self->err_blocked; |
307 | $self->err_blocked; |
290 | } else { |
308 | } else { |
291 | Coro::Event::do_timer(after => 4); $delay -= 4; |
309 | $httpevent->wait; |
292 | } |
310 | } |
293 | } |
311 | } |
294 | } |
312 | } |
295 | |
313 | |
296 | # find out server name and port |
314 | # find out server name and port |
… | |
… | |
302 | |
320 | |
303 | if (defined $host) { |
321 | if (defined $host) { |
304 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
322 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
305 | } else { |
323 | } else { |
306 | ($self->{server_port}, $host) |
324 | ($self->{server_port}, $host) |
307 | = unpack_sockaddr_in $self->{fh}->getsockname |
325 | = unpack_sockaddr_in $self->{fh}->sockname |
308 | or $self->err(500, "unable to get socket name"); |
326 | or $self->err(500, "unable to get socket name"); |
309 | $host = inet_ntoa $host; |
327 | $host = inet_ntoa $host; |
310 | } |
328 | } |
311 | |
329 | |
312 | $self->{server_name} = $host; |
330 | $self->{server_name} = $host; |
… | |
… | |
323 | $self->eoconn; |
341 | $self->eoconn; |
324 | |
342 | |
325 | die if $@ && !ref $@; |
343 | die if $@ && !ref $@; |
326 | |
344 | |
327 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
345 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
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346 | |
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347 | $httpevent->broadcast; |
328 | |
348 | |
329 | $fh->timeout($::PER_TIMEOUT); |
349 | $fh->timeout($::PER_TIMEOUT); |
330 | } |
350 | } |
331 | } |
351 | } |
332 | |
352 | |
… | |
… | |
402 | } else { |
422 | } else { |
403 | $ims < $self->{stat}[9] |
423 | $ims < $self->{stat}[9] |
404 | or $self->err(304, "not modified"); |
424 | or $self->err(304, "not modified"); |
405 | |
425 | |
406 | if (-r "$path/index.html") { |
426 | if (-r "$path/index.html") { |
407 | $self->{path} .= "/index.html"; |
427 | # replace directory "size" by index.html filesize |
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428 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
408 | $self->handle_file; |
429 | $self->handle_file; |
409 | } else { |
430 | } else { |
410 | $self->handle_dir; |
431 | $self->handle_dir; |
411 | } |
432 | } |
412 | } |
433 | } |
… | |
… | |
458 | $self->err(416, "not satisfiable", $hdr, ""); |
479 | $self->err(416, "not satisfiable", $hdr, ""); |
459 | |
480 | |
460 | satisfiable: |
481 | satisfiable: |
461 | # check for segmented downloads |
482 | # check for segmented downloads |
462 | if ($l && $::NO_SEGMENTED) { |
483 | if ($l && $::NO_SEGMENTED) { |
463 | my $delay = $::PER_TIMEOUT + 15; |
484 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
464 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
485 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
465 | if ($delay <= 0) { |
486 | if ($delay <= $::NOW) { |
466 | $self->err_segmented_download; |
487 | $self->err_segmented_download; |
467 | } else { |
488 | } else { |
468 | Coro::Event::do_timer(after => 4); $delay -= 4; |
489 | $httpevent->broadcast; |
469 | } |
490 | } |
470 | } |
491 | } |
471 | } |
492 | } |
472 | |
493 | |
473 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
494 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
519 | while ($h > 0) { |
540 | while ($h > 0) { |
520 | if (0) { |
541 | if (0) { |
521 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
542 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
522 | or last; |
543 | or last; |
523 | } else { |
544 | } else { |
524 | undef $buf; |
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525 | $aio_requests->down; |
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526 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
545 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
527 | $buf, 0, sub { |
546 | $buf, 0, sub { |
528 | $r = $_[0]; |
547 | $r = $_[0]; |
529 | $current->ready; |
548 | Coro::ready($current); |
530 | }); |
549 | }); |
531 | &Coro::schedule; |
550 | &Coro::schedule; |
532 | $aio_requests->up; |
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533 | last unless $r; |
551 | last unless $r; |
534 | } |
552 | } |
535 | my $w = $self->{fh}->syswrite($buf) |
553 | my $w = syswrite $self->{fh}, $buf |
536 | or last; |
554 | or last; |
537 | $::written += $w; |
555 | $::written += $w; |
538 | $self->{written} += $w; |
556 | $self->{written} += $w; |
539 | $l += $r; |
557 | $l += $r; |
540 | } |
558 | } |