| … | |
… | |
| 5 | |
5 | |
| 6 | use HTTP::Date; |
6 | use HTTP::Date; |
| 7 | |
7 | |
| 8 | no utf8; |
8 | no utf8; |
| 9 | use bytes; |
9 | use bytes; |
| 10 | |
|
|
| 11 | our @wait_time = (); # used to calculcate avg. waiting time |
|
|
| 12 | our $wait_time_length = 25; |
|
|
| 13 | |
10 | |
| 14 | # at least on my machine, this thingy serves files |
11 | # at least on my machine, this thingy serves files |
| 15 | # quite a bit faster than apache, ;) |
12 | # quite a bit faster than apache, ;) |
| 16 | # and quite a bit slower than thttpd :( |
13 | # and quite a bit slower than thttpd :( |
| 17 | |
14 | |
| … | |
… | |
| 31 | my $format = shift; |
28 | my $format = shift; |
| 32 | printf "---: $format\n", @_; |
29 | printf "---: $format\n", @_; |
| 33 | } |
30 | } |
| 34 | |
31 | |
| 35 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
| 36 | our $transfers = new Coro::Semaphore $MAX_TRANSFER || 50; |
33 | |
|
|
34 | our $wait_factor = 0.95; |
|
|
35 | |
|
|
36 | our @transfers = ( |
|
|
37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
|
|
38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
|
|
39 | ); |
| 37 | |
40 | |
| 38 | my @newcons; |
41 | my @newcons; |
| 39 | my @pool; |
42 | my @pool; |
| 40 | |
43 | |
| 41 | # one "execution thread" |
44 | # one "execution thread" |
| 42 | sub handler { |
45 | sub handler { |
| 43 | while () { |
46 | while () { |
| 44 | my $new = pop @newcons; |
|
|
| 45 | if ($new) { |
47 | if (@newcons) { |
| 46 | eval { |
48 | eval { |
| 47 | conn->new(@$new)->handle; |
49 | conn->new(@{pop @newcons})->handle; |
| 48 | }; |
50 | }; |
| 49 | slog 1, "$@" if $@ && !ref $@; |
51 | slog 1, "$@" if $@ && !ref $@; |
| 50 | $connections->up; |
52 | $connections->up; |
| 51 | } else { |
53 | } else { |
| 52 | last if @pool >= $MAX_POOL; |
54 | last if @pool >= $MAX_POOL; |
| … | |
… | |
| 54 | schedule; |
56 | schedule; |
| 55 | } |
57 | } |
| 56 | } |
58 | } |
| 57 | } |
59 | } |
| 58 | |
60 | |
|
|
61 | sub listen_on { |
|
|
62 | my $listen = $_[0]; |
|
|
63 | |
|
|
64 | push @listen_sockets, $listen; |
|
|
65 | |
|
|
66 | # the "main thread" |
|
|
67 | async { |
|
|
68 | slog 1, "accepting connections"; |
|
|
69 | while () { |
|
|
70 | $connections->down; |
|
|
71 | push @newcons, [$listen->accept]; |
|
|
72 | #slog 3, "accepted @$connections ".scalar(@pool); |
|
|
73 | if (@pool) { |
|
|
74 | (pop @pool)->ready; |
|
|
75 | } else { |
|
|
76 | async \&handler; |
|
|
77 | } |
|
|
78 | |
|
|
79 | } |
|
|
80 | }; |
|
|
81 | } |
|
|
82 | |
| 59 | my $http_port = new Coro::Socket |
83 | my $http_port = new Coro::Socket |
| 60 | LocalAddr => $SERVER_HOST, |
84 | LocalAddr => $SERVER_HOST, |
| 61 | LocalPort => $SERVER_PORT, |
85 | LocalPort => $SERVER_PORT, |
| 62 | ReuseAddr => 1, |
86 | ReuseAddr => 1, |
| 63 | Listen => 50, |
87 | Listen => 50, |
| 64 | or die "unable to start server"; |
88 | or die "unable to start server"; |
| 65 | |
89 | |
| 66 | push @listen_sockets, $http_port; |
90 | listen_on $http_port; |
|
|
91 | |
|
|
92 | if ($SERVER_PORT2) { |
|
|
93 | my $http_port = new Coro::Socket |
|
|
94 | LocalAddr => $SERVER_HOST, |
|
|
95 | LocalPort => $SERVER_PORT2, |
|
|
96 | ReuseAddr => 1, |
|
|
97 | Listen => 50, |
|
|
98 | or die "unable to start server"; |
|
|
99 | |
|
|
100 | listen_on $http_port; |
|
|
101 | } |
| 67 | |
102 | |
| 68 | our $NOW; |
103 | our $NOW; |
| 69 | our $HTTP_NOW; |
104 | our $HTTP_NOW; |
| 70 | |
105 | |
| 71 | Event->timer(interval => 1, hard => 1, cb => sub { |
106 | Event->timer(interval => 1, hard => 1, cb => sub { |
| 72 | $NOW = time; |
107 | $NOW = time; |
| 73 | $HTTP_NOW = time2str $NOW; |
108 | $HTTP_NOW = time2str $NOW; |
| 74 | }); |
109 | })->now; |
| 75 | |
|
|
| 76 | # the "main thread" |
|
|
| 77 | async { |
|
|
| 78 | slog 1, "accepting connections"; |
|
|
| 79 | while () { |
|
|
| 80 | $connections->down; |
|
|
| 81 | push @newcons, [$http_port->accept]; |
|
|
| 82 | #slog 3, "accepted @$connections ".scalar(@pool); |
|
|
| 83 | if (@pool) { |
|
|
| 84 | (pop @pool)->ready; |
|
|
| 85 | } else { |
|
|
| 86 | async \&handler; |
|
|
| 87 | } |
|
|
| 88 | |
|
|
| 89 | } |
|
|
| 90 | }; |
|
|
| 91 | |
110 | |
| 92 | package conn; |
111 | package conn; |
| 93 | |
112 | |
| 94 | use Socket; |
113 | use Socket; |
| 95 | use HTTP::Date; |
114 | use HTTP::Date; |
| 96 | use Convert::Scalar 'weaken'; |
115 | use Convert::Scalar 'weaken'; |
| 97 | use Linux::AIO; |
116 | use Linux::AIO; |
| 98 | |
117 | |
| 99 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
118 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
| 100 | |
|
|
| 101 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
|
|
| 102 | |
119 | |
| 103 | Event->io(fd => Linux::AIO::poll_fileno, |
120 | Event->io(fd => Linux::AIO::poll_fileno, |
| 104 | poll => 'r', async => 1, |
121 | poll => 'r', async => 1, |
| 105 | cb => \&Linux::AIO::poll_cb); |
122 | cb => \&Linux::AIO::poll_cb); |
| 106 | |
123 | |
| … | |
… | |
| 133 | or $self->err(500, "unable to decode peername"); |
150 | or $self->err(500, "unable to decode peername"); |
| 134 | |
151 | |
| 135 | $self->{remote_addr} = inet_ntoa $iaddr; |
152 | $self->{remote_addr} = inet_ntoa $iaddr; |
| 136 | $self->{time} = $::NOW; |
153 | $self->{time} = $::NOW; |
| 137 | |
154 | |
| 138 | # enter ourselves into various lists |
|
|
| 139 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
|
|
| 140 | |
|
|
| 141 | $::conns++; |
155 | $::conns++; |
| 142 | |
156 | |
| 143 | $self; |
157 | $self; |
| 144 | } |
158 | } |
| 145 | |
159 | |
| 146 | sub DESTROY { |
160 | sub DESTROY { |
| 147 | my $self = shift; |
161 | my $self = shift; |
| 148 | |
|
|
| 149 | $::conns--; |
162 | $::conns--; |
| 150 | |
|
|
| 151 | $self->eoconn; |
163 | $self->eoconn; |
| 152 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
| 153 | } |
164 | } |
| 154 | |
165 | |
| 155 | # end of connection |
166 | # end of connection |
| 156 | sub eoconn { |
167 | sub eoconn { |
| 157 | my $self = shift; |
168 | my $self = shift; |
|
|
169 | |
|
|
170 | # clean up hints |
|
|
171 | delete $conn{$self->{remote_id}}{$self*1}; |
| 158 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
172 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
| 159 | } |
173 | } |
| 160 | |
174 | |
| 161 | sub slog { |
175 | sub slog { |
| 162 | my $self = shift; |
176 | my $self = shift; |
| 163 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
177 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
| … | |
… | |
| 190 | sub err { |
204 | sub err { |
| 191 | my $self = shift; |
205 | my $self = shift; |
| 192 | my ($code, $msg, $hdr, $content) = @_; |
206 | my ($code, $msg, $hdr, $content) = @_; |
| 193 | |
207 | |
| 194 | unless (defined $content) { |
208 | unless (defined $content) { |
| 195 | $content = "$code $msg"; |
209 | $content = "$code $msg\n"; |
| 196 | $hdr->{"Content-Type"} = "text/plain"; |
210 | $hdr->{"Content-Type"} = "text/plain"; |
| 197 | $hdr->{"Content-Length"} = length $content; |
211 | $hdr->{"Content-Length"} = length $content; |
| 198 | } |
212 | } |
| 199 | $hdr->{"Connection"} = "close"; |
213 | $hdr->{"Connection"} = "close"; |
| 200 | |
214 | |
| … | |
… | |
| 225 | } |
239 | } |
| 226 | |
240 | |
| 227 | $self->{h} = {}; |
241 | $self->{h} = {}; |
| 228 | |
242 | |
| 229 | $fh->timeout($::RES_TIMEOUT); |
243 | $fh->timeout($::RES_TIMEOUT); |
| 230 | my $ip = $self->{remote_addr}; |
|
|
| 231 | |
|
|
| 232 | if ($blocked{$ip}) { |
|
|
| 233 | $self->err_blocked($blocked{$ip}) |
|
|
| 234 | if $blocked{$ip} > $::NOW; |
|
|
| 235 | |
|
|
| 236 | delete $blocked{$ip}; |
|
|
| 237 | } |
|
|
| 238 | |
|
|
| 239 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
| 240 | my $delay = 120; |
|
|
| 241 | while (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
| 242 | if ($delay <= 0) { |
|
|
| 243 | $self->slog(2, "blocked ip $ip"); |
|
|
| 244 | $self->err_blocked; |
|
|
| 245 | } else { |
|
|
| 246 | Coro::Event::do_timer(after => 3); |
|
|
| 247 | $delay -= 3; |
|
|
| 248 | } |
|
|
| 249 | } |
|
|
| 250 | } |
|
|
| 251 | |
244 | |
| 252 | $req =~ /^(?:\015\012)? |
245 | $req =~ /^(?:\015\012)? |
| 253 | (GET|HEAD) \040+ |
246 | (GET|HEAD) \040+ |
| 254 | ([^\040]+) \040+ |
247 | ([^\040]+) \040+ |
| 255 | HTTP\/([0-9]+\.[0-9]+) |
248 | HTTP\/([0-9]+\.[0-9]+) |
| … | |
… | |
| 280 | |
273 | |
| 281 | $self->{h}{$h} = substr $v, 1 |
274 | $self->{h}{$h} = substr $v, 1 |
| 282 | while ($h, $v) = each %hdr; |
275 | while ($h, $v) = each %hdr; |
| 283 | } |
276 | } |
| 284 | |
277 | |
|
|
278 | # remote id should be unique per user |
|
|
279 | my $id = $self->{remote_addr}; |
|
|
280 | |
|
|
281 | if (exists $self->{h}{"client-ip"}) { |
|
|
282 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
283 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
284 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
285 | } |
|
|
286 | |
|
|
287 | $self->{remote_id} = $id; |
|
|
288 | |
|
|
289 | if ($blocked{$id}) { |
|
|
290 | $self->err_blocked($blocked{$id}) |
|
|
291 | if $blocked{$id} > $::NOW; |
|
|
292 | |
|
|
293 | delete $blocked{$id}; |
|
|
294 | } |
|
|
295 | |
|
|
296 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
297 | my $delay = $::PER_TIMEOUT + 15; |
|
|
298 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
299 | if ($delay <= 0) { |
|
|
300 | $self->slog(2, "blocked ip $id"); |
|
|
301 | $self->err_blocked; |
|
|
302 | } else { |
|
|
303 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
|
304 | } |
|
|
305 | } |
|
|
306 | } |
|
|
307 | |
| 285 | # find out server name and port |
308 | # find out server name and port |
| 286 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
309 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
| 287 | $host = $1; |
310 | $host = $1; |
| 288 | } else { |
311 | } else { |
| 289 | $host = $self->{h}{host}; |
312 | $host = $self->{h}{host}; |
| … | |
… | |
| 298 | $host = inet_ntoa $host; |
321 | $host = inet_ntoa $host; |
| 299 | } |
322 | } |
| 300 | |
323 | |
| 301 | $self->{server_name} = $host; |
324 | $self->{server_name} = $host; |
| 302 | |
325 | |
| 303 | # remote id should be unique per user |
326 | # enter ourselves into various lists |
| 304 | $self->{remote_id} = $self->{remote_addr}; |
327 | weaken ($conn{$id}{$self*1} = $self); |
| 305 | |
|
|
| 306 | if (exists $self->{h}{"client-ip"}) { |
|
|
| 307 | $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]"; |
|
|
| 308 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
| 309 | $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
| 310 | } |
|
|
| 311 | |
|
|
| 312 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
328 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
| 313 | |
329 | |
| 314 | eval { |
330 | eval { |
| 315 | $self->map_uri; |
331 | $self->map_uri; |
| 316 | $self->respond; |
332 | $self->respond; |
| 317 | }; |
333 | }; |
| … | |
… | |
| 426 | $idx); |
442 | $idx); |
| 427 | } |
443 | } |
| 428 | |
444 | |
| 429 | sub handle_file { |
445 | sub handle_file { |
| 430 | my $self = shift; |
446 | my $self = shift; |
| 431 | my $length = -s _; |
447 | my $length = $self->{stat}[7]; |
|
|
448 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
| 432 | my $hdr = { |
449 | my $hdr = { |
| 433 | "Last-Modified" => time2str ((stat _)[9]), |
450 | "Last-Modified" => time2str ((stat _)[9]), |
| 434 | }; |
451 | }; |
| 435 | |
452 | |
| 436 | my @code = (200, "ok"); |
453 | my @code = (200, "ok"); |
| … | |
… | |
| 448 | } |
465 | } |
| 449 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
466 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
| 450 | } |
467 | } |
| 451 | $hdr->{"Content-Range"} = "bytes */$length"; |
468 | $hdr->{"Content-Range"} = "bytes */$length"; |
| 452 | $hdr->{"Content-Length"} = $length; |
469 | $hdr->{"Content-Length"} = $length; |
| 453 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
|
|
| 454 | $self->err(416, "not satisfiable", $hdr, ""); |
470 | $self->err(416, "not satisfiable", $hdr, ""); |
| 455 | |
471 | |
| 456 | satisfiable: |
472 | satisfiable: |
| 457 | # check for segmented downloads |
473 | # check for segmented downloads |
| 458 | if ($l && $::NO_SEGMENTED) { |
474 | if ($l && $::NO_SEGMENTED) { |
| 459 | my $delay = 180; |
475 | my $delay = $::PER_TIMEOUT + 15; |
| 460 | while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
476 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
| 461 | if ($delay <= 0) { |
477 | if ($delay <= 0) { |
| 462 | $self->err_segmented_download; |
478 | $self->err_segmented_download; |
| 463 | } else { |
479 | } else { |
| 464 | Coro::Event::do_timer(after => 3); $delay -= 3; |
480 | Coro::Event::do_timer(after => 4); $delay -= 4; |
| 465 | } |
481 | } |
| 466 | } |
482 | } |
| 467 | } |
483 | } |
| 468 | |
484 | |
| 469 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
485 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
| … | |
… | |
| 482 | $self->response(@code, $hdr, ""); |
498 | $self->response(@code, $hdr, ""); |
| 483 | |
499 | |
| 484 | if ($self->{method} eq "GET") { |
500 | if ($self->{method} eq "GET") { |
| 485 | $self->{time} = $::NOW; |
501 | $self->{time} = $::NOW; |
| 486 | |
502 | |
|
|
503 | my $fudge = $queue->[0]->waiters; |
|
|
504 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
505 | |
|
|
506 | $queue->[1] *= $fudge; |
| 487 | my $transfer = $::transfers->guard; |
507 | my $transfer = $queue->[0]->guard; |
|
|
508 | |
|
|
509 | if ($fudge != 1) { |
|
|
510 | $queue->[1] /= $fudge; |
|
|
511 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
512 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
513 | } |
|
|
514 | $self->{time} = $::NOW; |
|
|
515 | |
| 488 | $self->{fh}->writable or return; |
516 | $self->{fh}->writable or return; |
| 489 | |
|
|
| 490 | push @::wait_time, $::NOW - $self->{time}; |
|
|
| 491 | shift @::wait_time if @wait_time > $wait_time_length; |
|
|
| 492 | $self->{time} = $::NOW; |
|
|
| 493 | |
517 | |
| 494 | my ($fh, $buf, $r); |
518 | my ($fh, $buf, $r); |
| 495 | my $current = $Coro::current; |
519 | my $current = $Coro::current; |
| 496 | open $fh, "<", $self->{path} |
520 | open $fh, "<", $self->{path} |
| 497 | or die "$self->{path}: late open failure ($!)"; |
521 | or die "$self->{path}: late open failure ($!)"; |
| … | |
… | |
| 507 | while ($h > 0) { |
531 | while ($h > 0) { |
| 508 | if (0) { |
532 | if (0) { |
| 509 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
533 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
| 510 | or last; |
534 | or last; |
| 511 | } else { |
535 | } else { |
| 512 | undef $buf; |
|
|
| 513 | $aio_requests->down; |
|
|
| 514 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
536 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
| 515 | $buf, 0, sub { |
537 | $buf, 0, sub { |
| 516 | $r = $_[0]; |
538 | $r = $_[0]; |
| 517 | $current->ready; |
539 | Coro::ready($current); |
| 518 | }); |
540 | }); |
| 519 | &Coro::schedule; |
541 | &Coro::schedule; |
| 520 | $aio_requests->up; |
|
|
| 521 | last unless $r; |
542 | last unless $r; |
| 522 | } |
543 | } |
| 523 | my $w = $self->{fh}->syswrite($buf) |
544 | my $w = syswrite $self->{fh}, $buf |
| 524 | or last; |
545 | or last; |
| 525 | $::written += $w; |
546 | $::written += $w; |
| 526 | $self->{written} += $w; |
547 | $self->{written} += $w; |
| 527 | $l += $r; |
548 | $l += $r; |
| 528 | } |
549 | } |
