| 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; |
| 5 | use Coro::Signal; |
5 | use Coro::Signal; |
|
|
6 | use Coro::AIO (); |
| 6 | |
7 | |
| 7 | use HTTP::Date; |
8 | use HTTP::Date; |
| 8 | use POSIX (); |
9 | use POSIX (); |
|
|
10 | |
|
|
11 | use Compress::Zlib (); |
| 9 | |
12 | |
| 10 | no utf8; |
13 | no utf8; |
| 11 | use bytes; |
14 | use bytes; |
| 12 | |
15 | |
| 13 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
| … | |
… | |
| 15 | # and quite a bit slower than thttpd :( |
18 | # and quite a bit slower than thttpd :( |
| 16 | |
19 | |
| 17 | $SIG{PIPE} = 'IGNORE'; |
20 | $SIG{PIPE} = 'IGNORE'; |
| 18 | |
21 | |
| 19 | our $accesslog; |
22 | our $accesslog; |
|
|
23 | our $errorlog; |
|
|
24 | |
|
|
25 | our $NOW; |
|
|
26 | our $HTTP_NOW; |
|
|
27 | |
|
|
28 | our $ERROR_LOG; |
|
|
29 | our $ACCESS_LOG; |
|
|
30 | |
|
|
31 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
32 | $NOW = time; |
|
|
33 | $HTTP_NOW = time2str $NOW; |
|
|
34 | })->now; |
|
|
35 | |
|
|
36 | if ($ERROR_LOG) { |
|
|
37 | use IO::Handle; |
|
|
38 | open $errorlog, ">>$ERROR_LOG" |
|
|
39 | or die "$ERROR_LOG: $!"; |
|
|
40 | $errorlog->autoflush(1); |
|
|
41 | } |
| 20 | |
42 | |
| 21 | if ($ACCESS_LOG) { |
43 | if ($ACCESS_LOG) { |
| 22 | use IO::Handle; |
44 | use IO::Handle; |
| 23 | open $accesslog, ">>$ACCESS_LOG" |
45 | open $accesslog, ">>$ACCESS_LOG" |
| 24 | or die "$ACCESS_LOG: $!"; |
46 | or die "$ACCESS_LOG: $!"; |
| … | |
… | |
| 26 | } |
48 | } |
| 27 | |
49 | |
| 28 | sub slog { |
50 | sub slog { |
| 29 | my $level = shift; |
51 | my $level = shift; |
| 30 | my $format = shift; |
52 | my $format = shift; |
|
|
53 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
| 31 | printf "---: $format\n", @_; |
54 | printf "$NOW: $format\n", @_; |
|
|
55 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
| 32 | } |
56 | } |
| 33 | |
57 | |
| 34 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
58 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
| 35 | our $httpevent = new Coro::Signal; |
59 | our $httpevent = new Coro::Signal; |
| 36 | |
60 | |
| 37 | our $wait_factor = 0.95; |
61 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
|
|
62 | our $queue_index = new transferqueue 10; |
| 38 | |
63 | |
| 39 | our @transfers = ( |
64 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
| 40 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
65 | |
| 41 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
66 | my $unused_bytes = 0; |
| 42 | ); |
67 | my $unused_last = time; |
|
|
68 | |
|
|
69 | sub unused_bandwidth { |
|
|
70 | $unused_bytes += $_[0]; |
|
|
71 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
|
|
72 | $unused_last = $NOW; |
|
|
73 | $unused_bytes = 0; |
|
|
74 | $queue_file->force_wake_next; |
|
|
75 | slog 1, "forced filetransfer due to unused bandwidth"; |
|
|
76 | } |
|
|
77 | } |
| 43 | |
78 | |
| 44 | my @newcons; |
79 | my @newcons; |
| 45 | my @pool; |
80 | my @pool; |
| 46 | |
81 | |
| 47 | # one "execution thread" |
82 | # one "execution thread" |
| … | |
… | |
| 50 | if (@newcons) { |
85 | if (@newcons) { |
| 51 | eval { |
86 | eval { |
| 52 | conn->new(@{pop @newcons})->handle; |
87 | conn->new(@{pop @newcons})->handle; |
| 53 | }; |
88 | }; |
| 54 | slog 1, "$@" if $@ && !ref $@; |
89 | slog 1, "$@" if $@ && !ref $@; |
|
|
90 | |
|
|
91 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
92 | |
| 55 | $connections->up; |
93 | $connections->up; |
| 56 | } else { |
94 | } else { |
| 57 | last if @pool >= $MAX_POOL; |
95 | last if @pool >= $MAX_POOL; |
| 58 | push @pool, $Coro::current; |
96 | push @pool, $Coro::current; |
| 59 | schedule; |
97 | schedule; |
| … | |
… | |
| 76 | if (@pool) { |
114 | if (@pool) { |
| 77 | (pop @pool)->ready; |
115 | (pop @pool)->ready; |
| 78 | } else { |
116 | } else { |
| 79 | async \&handler; |
117 | async \&handler; |
| 80 | } |
118 | } |
| 81 | |
|
|
| 82 | } |
119 | } |
| 83 | }; |
120 | }; |
| 84 | } |
121 | } |
| 85 | |
122 | |
| 86 | my $http_port = new Coro::Socket |
123 | my $http_port = new Coro::Socket |
| … | |
… | |
| 101 | or die "unable to start server"; |
138 | or die "unable to start server"; |
| 102 | |
139 | |
| 103 | listen_on $http_port; |
140 | listen_on $http_port; |
| 104 | } |
141 | } |
| 105 | |
142 | |
| 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; |
143 | package conn; |
|
|
144 | |
|
|
145 | use strict; |
|
|
146 | use bytes; |
| 115 | |
147 | |
| 116 | use Socket; |
148 | use Socket; |
| 117 | use HTTP::Date; |
149 | use HTTP::Date; |
| 118 | use Convert::Scalar 'weaken'; |
150 | use Convert::Scalar 'weaken'; |
| 119 | use Linux::AIO; |
151 | use IO::AIO; |
| 120 | |
152 | |
| 121 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
| 122 | |
154 | |
| 123 | Event->io(fd => Linux::AIO::poll_fileno, |
155 | Event->io (fd => IO::AIO::poll_fileno, |
| 124 | poll => 'r', async => 1, |
156 | poll => 'r', async => 1, |
| 125 | cb => \&Linux::AIO::poll_cb); |
157 | cb => \&IO::AIO::poll_cb); |
| 126 | |
158 | |
| 127 | our %conn; # $conn{ip}{self} => connobj |
159 | our %conn; # $conn{ip}{self} => connobj |
| 128 | our %uri; # $uri{ip}{uri}{self} |
160 | our %uri; # $uri{ip}{uri}{self} |
| 129 | our %blocked; |
161 | our %blocked; |
| 130 | our %mimetype; |
162 | our %mimetype; |
| … | |
… | |
| 150 | my $peername = shift; |
182 | my $peername = shift; |
| 151 | my $self = bless { fh => $fh }, $class; |
183 | my $self = bless { fh => $fh }, $class; |
| 152 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
184 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
| 153 | or $self->err(500, "unable to decode peername"); |
185 | or $self->err(500, "unable to decode peername"); |
| 154 | |
186 | |
|
|
187 | $self->{remote_addr} = |
| 155 | $self->{remote_addr} = inet_ntoa $iaddr; |
188 | $self->{remote_id} = inet_ntoa $iaddr; |
|
|
189 | |
| 156 | $self->{time} = $::NOW; |
190 | $self->{time} = $::NOW; |
| 157 | |
191 | |
|
|
192 | weaken ($Coro::current->{conn} = $self); |
|
|
193 | |
| 158 | $::conns++; |
194 | $::conns++; |
|
|
195 | $::maxconns = $::conns if $::conns > $::maxconns; |
| 159 | |
196 | |
| 160 | $self; |
197 | $self; |
| 161 | } |
198 | } |
| 162 | |
199 | |
| 163 | sub DESTROY { |
200 | sub DESTROY { |
| 164 | my $self = shift; |
201 | #my $self = shift; |
| 165 | $::conns--; |
202 | $::conns--; |
| 166 | $self->eoconn; |
|
|
| 167 | } |
203 | } |
| 168 | |
204 | |
| 169 | # end of connection |
205 | sub prune_cache { |
| 170 | sub eoconn { |
206 | my $hash = $_[0]; |
| 171 | my $self = shift; |
|
|
| 172 | |
207 | |
| 173 | # clean up hints |
208 | for (keys %$hash) { |
| 174 | delete $conn{$self->{remote_id}}{$self*1}; |
209 | if (ref $hash->{$_} eq HASH::) { |
| 175 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
210 | prune_cache($hash->{$_}); |
| 176 | |
211 | unless (scalar keys %{$hash->{$_}}) { |
| 177 | $httpevent->broadcast; |
212 | delete $hash->{$_}; |
|
|
213 | } |
|
|
214 | } |
|
|
215 | } |
| 178 | } |
216 | } |
|
|
217 | |
|
|
218 | sub prune_caches { |
|
|
219 | prune_cache \%conn; |
|
|
220 | prune_cache \%uri; |
|
|
221 | |
|
|
222 | for (keys %blocked) { |
|
|
223 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
|
|
224 | } |
|
|
225 | } |
|
|
226 | |
|
|
227 | Event->timer(interval => 60, cb => \&prune_caches); |
| 179 | |
228 | |
| 180 | sub slog { |
229 | sub slog { |
| 181 | my $self = shift; |
230 | my $self = shift; |
| 182 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
| 183 | } |
232 | } |
| 184 | |
233 | |
| 185 | sub response { |
234 | sub response { |
| 186 | my ($self, $code, $msg, $hdr, $content) = @_; |
235 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 187 | my $res = "HTTP/1.1 $code $msg\015\012"; |
236 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
237 | my $GZ = ""; |
| 188 | |
238 | |
| 189 | if (exists $hdr->{Connection}) { |
239 | if (exists $hdr->{Connection}) { |
| 190 | if ($hdr->{Connection} =~ /close/) { |
240 | if ($hdr->{Connection} =~ /close/) { |
| 191 | $self->{h}{connection} = "close" |
241 | $self->{h}{connection} = "close" |
| 192 | } |
242 | } |
| … | |
… | |
| 198 | $self->{h}{connection} = "close" |
248 | $self->{h}{connection} = "close" |
| 199 | } |
249 | } |
| 200 | } |
250 | } |
| 201 | } |
251 | } |
| 202 | |
252 | |
|
|
253 | if ($self->{method} ne "HEAD" |
|
|
254 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
|
|
255 | && 400 < length $content |
|
|
256 | && $hdr->{"Content-Length"} == length $content |
|
|
257 | && !exists $hdr->{"Content-Encoding"} |
|
|
258 | ) { |
|
|
259 | my $orig = length $content; |
|
|
260 | $hdr->{"Content-Encoding"} = "gzip"; |
|
|
261 | $content = Compress::Zlib::memGzip(\$content); |
|
|
262 | $hdr->{"Content-Length"} = length $content; |
|
|
263 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
|
264 | } |
|
|
265 | |
| 203 | $res .= "Date: $HTTP_NOW\015\012"; |
266 | $res .= "Date: $HTTP_NOW\015\012"; |
|
|
267 | $res .= "Server: $::NAME\015\012"; |
| 204 | |
268 | |
| 205 | while (my ($h, $v) = each %$hdr) { |
269 | while (my ($h, $v) = each %$hdr) { |
| 206 | $res .= "$h: $v\015\012" |
270 | $res .= "$h: $v\015\012" |
| 207 | } |
271 | } |
| 208 | $res .= "\015\012"; |
272 | $res .= "\015\012"; |
| 209 | |
273 | |
| 210 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
274 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
| 211 | |
275 | |
| 212 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
276 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
| 213 | " $self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
277 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
|
|
278 | " \"$self->{h}{referer}\"\n"; |
| 214 | |
279 | |
| 215 | print $accesslog $log if $accesslog; |
280 | print $::accesslog $log if $::accesslog; |
| 216 | print STDERR $log; |
281 | print STDERR $log; |
| 217 | |
282 | |
| 218 | $self->{written} += |
283 | $tbf_top->request(length $res, 1e6); |
| 219 | print {$self->{fh}} $res; |
284 | $self->{written} += print {$self->{fh}} $res; |
| 220 | } |
285 | } |
| 221 | |
286 | |
| 222 | sub err { |
287 | sub err { |
| 223 | my $self = shift; |
288 | my $self = shift; |
| 224 | my ($code, $msg, $hdr, $content) = @_; |
289 | my ($code, $msg, $hdr, $content) = @_; |
| … | |
… | |
| 279 | my (%hdr, $h, $v); |
344 | my (%hdr, $h, $v); |
| 280 | |
345 | |
| 281 | $hdr{lc $1} .= ",$2" |
346 | $hdr{lc $1} .= ",$2" |
| 282 | while $req =~ /\G |
347 | while $req =~ /\G |
| 283 | ([^:\000-\040]+): |
348 | ([^:\000-\040]+): |
| 284 | [\008\040]* |
349 | [\011\040]* |
| 285 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
350 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
| 286 | \015\012 |
351 | \015\012 |
| 287 | /gxc; |
352 | /gxc; |
| 288 | |
353 | |
| 289 | $req =~ /\G\015\012$/ |
354 | $req =~ /\G\015\012$/ |
| 290 | or $self->err(400, "bad request"); |
355 | or $self->err(400, "bad request"); |
| … | |
… | |
| 302 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
367 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
| 303 | } |
368 | } |
| 304 | |
369 | |
| 305 | $self->{remote_id} = $id; |
370 | $self->{remote_id} = $id; |
| 306 | |
371 | |
|
|
372 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
373 | |
| 307 | if ($blocked{$id}) { |
374 | if ($blocked{$id}) { |
| 308 | $self->err_blocked($blocked{$id}) |
375 | $self->err_blocked |
| 309 | if $blocked{$id} > $::NOW; |
376 | if $blocked{$id}[0] > $::NOW; |
| 310 | |
377 | |
| 311 | delete $blocked{$id}; |
378 | delete $blocked{$id}; |
| 312 | } |
|
|
| 313 | |
|
|
| 314 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
| 315 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
| 316 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
| 317 | if ($delay < $::NOW) { |
|
|
| 318 | $self->slog(2, "blocked ip $id"); |
|
|
| 319 | $self->err_blocked; |
|
|
| 320 | } else { |
|
|
| 321 | $httpevent->wait; |
|
|
| 322 | } |
|
|
| 323 | } |
|
|
| 324 | } |
379 | } |
| 325 | |
380 | |
| 326 | # find out server name and port |
381 | # find out server name and port |
| 327 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
382 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
| 328 | $host = $1; |
383 | $host = $1; |
| … | |
… | |
| 339 | $host = inet_ntoa $host; |
394 | $host = inet_ntoa $host; |
| 340 | } |
395 | } |
| 341 | |
396 | |
| 342 | $self->{server_name} = $host; |
397 | $self->{server_name} = $host; |
| 343 | |
398 | |
| 344 | # enter ourselves into various lists |
|
|
| 345 | weaken ($conn{$id}{$self*1} = $self); |
|
|
| 346 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
399 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
| 347 | |
400 | |
| 348 | eval { |
401 | eval { |
| 349 | $self->map_uri; |
402 | $self->map_uri; |
| 350 | $self->respond; |
403 | $self->respond; |
| 351 | }; |
404 | }; |
| 352 | |
405 | |
| 353 | $self->eoconn; |
|
|
| 354 | |
|
|
| 355 | die if $@ && !ref $@; |
406 | die if $@ && !ref $@; |
| 356 | |
407 | |
| 357 | last if $self->{h}{connection} =~ /close/; |
408 | last if $self->{h}{connection} =~ /close/i; |
| 358 | |
409 | |
| 359 | $httpevent->broadcast; |
410 | $httpevent->broadcast; |
| 360 | |
411 | |
| 361 | $fh->timeout($::PER_TIMEOUT); |
412 | $fh->timeout($::PER_TIMEOUT); |
| 362 | } |
413 | } |
|
|
414 | } |
|
|
415 | |
|
|
416 | sub block { |
|
|
417 | my $self = shift; |
|
|
418 | |
|
|
419 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
420 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
421 | $self->err_blocked; |
| 363 | } |
422 | } |
| 364 | |
423 | |
| 365 | # uri => path mapping |
424 | # uri => path mapping |
| 366 | sub map_uri { |
425 | sub map_uri { |
| 367 | my $self = shift; |
426 | my $self = shift; |
| … | |
… | |
| 414 | |
473 | |
| 415 | sub respond { |
474 | sub respond { |
| 416 | my $self = shift; |
475 | my $self = shift; |
| 417 | my $path = $self->{path}; |
476 | my $path = $self->{path}; |
| 418 | |
477 | |
| 419 | stat $path |
478 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
| 420 | or $self->err(404, "not found"); |
479 | if ($::internal{$1}) { |
| 421 | |
480 | $::internal{$1}->($self); |
| 422 | $self->{stat} = [stat _]; |
|
|
| 423 | |
|
|
| 424 | # idiotic netscape sends idiotic headers AGAIN |
|
|
| 425 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
| 426 | ? str2time $1 : 0; |
|
|
| 427 | |
|
|
| 428 | if (-d _ && -r _) { |
|
|
| 429 | # directory |
|
|
| 430 | if ($path !~ /\/$/) { |
|
|
| 431 | # create a redirect to get the trailing "/" |
|
|
| 432 | # we don't try to avoid the :80 |
|
|
| 433 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
| 434 | } else { |
481 | } else { |
| 435 | $ims < $self->{stat}[9] |
482 | $self->err(404, "not found"); |
|
|
483 | } |
|
|
484 | } else { |
|
|
485 | |
|
|
486 | stat $path |
| 436 | or $self->err(304, "not modified"); |
487 | or $self->err(404, "not found"); |
| 437 | |
488 | |
| 438 | if (-r "$path/index.html") { |
489 | $self->{stat} = [stat _]; |
| 439 | # replace directory "size" by index.html filesize |
490 | |
| 440 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
491 | # idiotic netscape sends idiotic headers AGAIN |
| 441 | $self->handle_file; |
492 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
493 | ? str2time $1 : 0; |
|
|
494 | |
|
|
495 | if (-d _ && -r _) { |
|
|
496 | # directory |
|
|
497 | if ($path !~ /\/$/) { |
|
|
498 | # create a redirect to get the trailing "/" |
|
|
499 | # we don't try to avoid the :80 |
|
|
500 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
| 442 | } else { |
501 | } else { |
|
|
502 | $ims < $self->{stat}[9] |
|
|
503 | or $self->err(304, "not modified"); |
|
|
504 | |
|
|
505 | if (-r "$path/index.html") { |
|
|
506 | # replace directory "size" by index.html filesize |
|
|
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
508 | $self->handle_file($queue_index, $tbf_top); |
|
|
509 | } else { |
| 443 | $self->handle_dir; |
510 | $self->handle_dir; |
| 444 | } |
511 | } |
| 445 | } |
512 | } |
| 446 | } elsif (-f _ && -r _) { |
513 | } elsif (-f _ && -r _) { |
| 447 | -x _ and $self->err(403, "forbidden"); |
514 | -x _ and $self->err(403, "forbidden"); |
| 448 | $self->handle_file; |
515 | |
|
|
516 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
517 | my $timeout = $::NOW + 10; |
|
|
518 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
519 | if ($timeout < $::NOW) { |
|
|
520 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
521 | } else { |
|
|
522 | $httpevent->wait; |
|
|
523 | } |
|
|
524 | } |
|
|
525 | } |
|
|
526 | |
|
|
527 | $self->handle_file($queue_file, $tbf_top); |
| 449 | } else { |
528 | } else { |
| 450 | $self->err(404, "not found"); |
529 | $self->err(404, "not found"); |
|
|
530 | } |
| 451 | } |
531 | } |
| 452 | } |
532 | } |
| 453 | |
533 | |
| 454 | sub handle_dir { |
534 | sub handle_dir { |
| 455 | my $self = shift; |
535 | my $self = shift; |
| 456 | my $idx = $self->diridx; |
536 | my $idx = $self->diridx; |
| 457 | |
537 | |
| 458 | $self->response(200, "ok", |
538 | $self->response(200, "ok", |
| 459 | { |
539 | { |
| 460 | "Content-Type" => "text/html", |
540 | "Content-Type" => "text/html; charset=utf-8", |
| 461 | "Content-Length" => length $idx, |
541 | "Content-Length" => length $idx, |
| 462 | "Last-Modified" => time2str ((stat _)[9]), |
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
| 463 | }, |
543 | }, |
| 464 | $idx); |
544 | $idx); |
| 465 | } |
545 | } |
| 466 | |
546 | |
| 467 | sub handle_file { |
547 | sub handle_file { |
| 468 | my $self = shift; |
548 | my ($self, $queue, $tbf) = @_; |
| 469 | my $length = $self->{stat}[7]; |
549 | my $length = $self->{stat}[7]; |
| 470 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
| 471 | my $hdr = { |
550 | my $hdr = { |
| 472 | "Last-Modified" => time2str ((stat _)[9]), |
551 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
552 | "Accept-Ranges" => "bytes", |
| 473 | }; |
553 | }; |
| 474 | |
554 | |
| 475 | my @code = (200, "ok"); |
555 | my @code = (200, "ok"); |
| 476 | my ($l, $h); |
556 | my ($l, $h); |
| 477 | |
557 | |
| … | |
… | |
| 492 | $self->err(416, "not satisfiable", $hdr, ""); |
572 | $self->err(416, "not satisfiable", $hdr, ""); |
| 493 | |
573 | |
| 494 | satisfiable: |
574 | satisfiable: |
| 495 | # check for segmented downloads |
575 | # check for segmented downloads |
| 496 | if ($l && $::NO_SEGMENTED) { |
576 | if ($l && $::NO_SEGMENTED) { |
| 497 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
577 | my $timeout = $::NOW + 15; |
| 498 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
578 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
| 499 | if ($delay <= $::NOW) { |
579 | if ($timeout <= $::NOW) { |
|
|
580 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
| 500 | $self->err_segmented_download; |
581 | #$self->err_segmented_download; |
| 501 | } else { |
582 | } else { |
| 502 | $httpevent->wait; |
583 | $httpevent->wait; |
| 503 | } |
584 | } |
| 504 | } |
585 | } |
| 505 | } |
586 | } |
| … | |
… | |
| 519 | |
600 | |
| 520 | $self->response(@code, $hdr, ""); |
601 | $self->response(@code, $hdr, ""); |
| 521 | |
602 | |
| 522 | if ($self->{method} eq "GET") { |
603 | if ($self->{method} eq "GET") { |
| 523 | $self->{time} = $::NOW; |
604 | $self->{time} = $::NOW; |
| 524 | |
|
|
| 525 | my $fudge = $queue->[0]->waiters; |
|
|
| 526 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
| 527 | |
|
|
| 528 | $queue->[1] *= $fudge; |
|
|
| 529 | my $transfer = $queue->[0]->guard; |
|
|
| 530 | |
|
|
| 531 | if ($fudge != 1) { |
|
|
| 532 | $queue->[1] /= $fudge; |
|
|
| 533 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
| 534 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
| 535 | } |
|
|
| 536 | $self->{time} = $::NOW; |
605 | $self->{written} = 0; |
| 537 | |
606 | |
| 538 | $self->{fh}->writable or return; |
607 | my $fh; |
| 539 | |
608 | |
| 540 | my ($fh, $buf, $r); |
|
|
| 541 | my $current = $Coro::current; |
|
|
| 542 | open $fh, "<", $self->{path} |
609 | open $fh, "<", $self->{path} |
| 543 | or die "$self->{path}: late open failure ($!)"; |
610 | or die "$self->{path}: late open failure ($!)"; |
| 544 | |
611 | |
| 545 | $h -= $l - 1; |
612 | $h -= $l - 1; |
| 546 | |
613 | |
| 547 | if (0) { |
614 | if (0) { # !AIO |
| 548 | if ($l) { |
615 | if ($l) { |
| 549 | sysseek $fh, $l, 0; |
616 | sysseek $fh, $l, 0; |
| 550 | } |
617 | } |
| 551 | } |
618 | } |
|
|
619 | |
|
|
620 | my $transfer = $queue->start_transfer($h); |
|
|
621 | my $locked; |
|
|
622 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
| 552 | |
623 | |
| 553 | while ($h > 0) { |
624 | while ($h > 0) { |
| 554 | if (0) { |
625 | unless ($locked) { |
| 555 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
626 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
627 | $bufsize = $::BUFSIZE; |
|
|
628 | $self->{time} = $::NOW; |
|
|
629 | $self->{written} = 0; |
|
|
630 | } |
|
|
631 | } |
|
|
632 | |
|
|
633 | if ($blocked{$self->{remote_id}}) { |
|
|
634 | $self->{h}{connection} = "close"; |
|
|
635 | die bless {}, err::; |
|
|
636 | } |
|
|
637 | |
|
|
638 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
| 556 | or last; |
639 | or last; |
| 557 | } else { |
640 | |
| 558 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
641 | $tbf->request (length $buf); |
| 559 | $buf, 0, sub { |
|
|
| 560 | $r = $_[0]; |
|
|
| 561 | Coro::ready($current); |
|
|
| 562 | }); |
|
|
| 563 | &Coro::schedule; |
|
|
| 564 | last unless $r; |
|
|
| 565 | } |
|
|
| 566 | my $w = syswrite $self->{fh}, $buf |
642 | my $w = syswrite $self->{fh}, $buf |
| 567 | or last; |
643 | or last; |
| 568 | $::written += $w; |
644 | $::written += $w; |
| 569 | $self->{written} += $w; |
645 | $self->{written} += $w; |
| 570 | $l += $r; |
646 | $l += $w; |
| 571 | } |
647 | } |
| 572 | |
648 | |
| 573 | close $fh; |
649 | close $fh; |
| 574 | } |
650 | } |
| 575 | } |
651 | } |
| 576 | |
652 | |
| 577 | 1; |
653 | 1 |
|
|
654 | |
