| 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; |
|
|
9 | use POSIX (); |
|
|
10 | |
|
|
11 | use Compress::Zlib (); |
| 8 | |
12 | |
| 9 | no utf8; |
13 | no utf8; |
| 10 | use bytes; |
14 | use bytes; |
| 11 | |
15 | |
| 12 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
| … | |
… | |
| 14 | # and quite a bit slower than thttpd :( |
18 | # and quite a bit slower than thttpd :( |
| 15 | |
19 | |
| 16 | $SIG{PIPE} = 'IGNORE'; |
20 | $SIG{PIPE} = 'IGNORE'; |
| 17 | |
21 | |
| 18 | our $accesslog; |
22 | our $accesslog; |
|
|
23 | our $errorlog; |
|
|
24 | |
|
|
25 | our $NOW; |
|
|
26 | our $HTTP_NOW; |
|
|
27 | |
|
|
28 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
29 | $NOW = time; |
|
|
30 | $HTTP_NOW = time2str $NOW; |
|
|
31 | })->now; |
|
|
32 | |
|
|
33 | if ($ERROR_LOG) { |
|
|
34 | use IO::Handle; |
|
|
35 | open $errorlog, ">>$ERROR_LOG" |
|
|
36 | or die "$ERROR_LOG: $!"; |
|
|
37 | $errorlog->autoflush(1); |
|
|
38 | } |
| 19 | |
39 | |
| 20 | if ($ACCESS_LOG) { |
40 | if ($ACCESS_LOG) { |
| 21 | use IO::Handle; |
41 | use IO::Handle; |
| 22 | open $accesslog, ">>$ACCESS_LOG" |
42 | open $accesslog, ">>$ACCESS_LOG" |
| 23 | or die "$ACCESS_LOG: $!"; |
43 | or die "$ACCESS_LOG: $!"; |
| … | |
… | |
| 25 | } |
45 | } |
| 26 | |
46 | |
| 27 | sub slog { |
47 | sub slog { |
| 28 | my $level = shift; |
48 | my $level = shift; |
| 29 | my $format = shift; |
49 | my $format = shift; |
|
|
50 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
| 30 | printf "---: $format\n", @_; |
51 | printf "$NOW: $format\n", @_; |
|
|
52 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
| 31 | } |
53 | } |
| 32 | |
54 | |
| 33 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
55 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
| 34 | our $httpevent = new Coro::Signal; |
56 | our $httpevent = new Coro::Signal; |
| 35 | |
57 | |
| 36 | our $wait_factor = 0.95; |
58 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
|
|
59 | our $queue_index = new transferqueue 10; |
| 37 | |
60 | |
| 38 | our @transfers = ( |
61 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
| 39 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
62 | |
| 40 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
63 | my $unused_bytes = 0; |
| 41 | ); |
64 | my $unused_last = time; |
|
|
65 | |
|
|
66 | sub unused_bandwidth { |
|
|
67 | $unused_bytes += $_[0]; |
|
|
68 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
|
|
69 | $unused_last = $NOW; |
|
|
70 | $unused_bytes = 0; |
|
|
71 | $queue_file->force_wake_next; |
|
|
72 | slog 1, "forced filetransfer due to unused bandwidth"; |
|
|
73 | } |
|
|
74 | } |
| 42 | |
75 | |
| 43 | my @newcons; |
76 | my @newcons; |
| 44 | my @pool; |
77 | my @pool; |
| 45 | |
78 | |
| 46 | # one "execution thread" |
79 | # one "execution thread" |
| … | |
… | |
| 49 | if (@newcons) { |
82 | if (@newcons) { |
| 50 | eval { |
83 | eval { |
| 51 | conn->new(@{pop @newcons})->handle; |
84 | conn->new(@{pop @newcons})->handle; |
| 52 | }; |
85 | }; |
| 53 | slog 1, "$@" if $@ && !ref $@; |
86 | slog 1, "$@" if $@ && !ref $@; |
|
|
87 | |
|
|
88 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
89 | |
| 54 | $connections->up; |
90 | $connections->up; |
| 55 | } else { |
91 | } else { |
| 56 | last if @pool >= $MAX_POOL; |
92 | last if @pool >= $MAX_POOL; |
| 57 | push @pool, $Coro::current; |
93 | push @pool, $Coro::current; |
| 58 | schedule; |
94 | schedule; |
| … | |
… | |
| 75 | if (@pool) { |
111 | if (@pool) { |
| 76 | (pop @pool)->ready; |
112 | (pop @pool)->ready; |
| 77 | } else { |
113 | } else { |
| 78 | async \&handler; |
114 | async \&handler; |
| 79 | } |
115 | } |
| 80 | |
|
|
| 81 | } |
116 | } |
| 82 | }; |
117 | }; |
| 83 | } |
118 | } |
| 84 | |
119 | |
| 85 | my $http_port = new Coro::Socket |
120 | my $http_port = new Coro::Socket |
| … | |
… | |
| 100 | or die "unable to start server"; |
135 | or die "unable to start server"; |
| 101 | |
136 | |
| 102 | listen_on $http_port; |
137 | listen_on $http_port; |
| 103 | } |
138 | } |
| 104 | |
139 | |
| 105 | our $NOW; |
|
|
| 106 | our $HTTP_NOW; |
|
|
| 107 | |
|
|
| 108 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
| 109 | $NOW = time; |
|
|
| 110 | $HTTP_NOW = time2str $NOW; |
|
|
| 111 | })->now; |
|
|
| 112 | |
|
|
| 113 | package conn; |
140 | package conn; |
| 114 | |
141 | |
| 115 | use Socket; |
142 | use Socket; |
| 116 | use HTTP::Date; |
143 | use HTTP::Date; |
| 117 | use Convert::Scalar 'weaken'; |
144 | use Convert::Scalar 'weaken'; |
| 118 | use Linux::AIO; |
145 | use IO::AIO; |
| 119 | |
146 | |
| 120 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
147 | IO::AIO::min_parallel $::AIO_PARALLEL; |
| 121 | |
148 | |
| 122 | Event->io(fd => Linux::AIO::poll_fileno, |
149 | Event->io (fd => IO::AIO::poll_fileno, |
| 123 | poll => 'r', async => 1, |
150 | poll => 'r', async => 1, |
| 124 | cb => \&Linux::AIO::poll_cb); |
151 | cb => \&IO::AIO::poll_cb); |
| 125 | |
152 | |
| 126 | our %conn; # $conn{ip}{self} => connobj |
153 | our %conn; # $conn{ip}{self} => connobj |
| 127 | our %uri; # $uri{ip}{uri}{self} |
154 | our %uri; # $uri{ip}{uri}{self} |
| 128 | our %blocked; |
155 | our %blocked; |
| 129 | our %mimetype; |
156 | our %mimetype; |
| … | |
… | |
| 149 | my $peername = shift; |
176 | my $peername = shift; |
| 150 | my $self = bless { fh => $fh }, $class; |
177 | my $self = bless { fh => $fh }, $class; |
| 151 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
178 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
| 152 | or $self->err(500, "unable to decode peername"); |
179 | or $self->err(500, "unable to decode peername"); |
| 153 | |
180 | |
|
|
181 | $self->{remote_addr} = |
| 154 | $self->{remote_addr} = inet_ntoa $iaddr; |
182 | $self->{remote_id} = inet_ntoa $iaddr; |
|
|
183 | |
| 155 | $self->{time} = $::NOW; |
184 | $self->{time} = $::NOW; |
| 156 | |
185 | |
|
|
186 | weaken ($Coro::current->{conn} = $self); |
|
|
187 | |
| 157 | $::conns++; |
188 | $::conns++; |
|
|
189 | $::maxconns = $::conns if $::conns > $::maxconns; |
| 158 | |
190 | |
| 159 | $self; |
191 | $self; |
| 160 | } |
192 | } |
| 161 | |
193 | |
| 162 | sub DESTROY { |
194 | sub DESTROY { |
| 163 | my $self = shift; |
195 | #my $self = shift; |
| 164 | $::conns--; |
196 | $::conns--; |
| 165 | $self->eoconn; |
|
|
| 166 | } |
197 | } |
| 167 | |
198 | |
| 168 | # end of connection |
199 | sub prune_cache { |
| 169 | sub eoconn { |
200 | my $hash = $_[0]; |
| 170 | my $self = shift; |
|
|
| 171 | |
201 | |
| 172 | # clean up hints |
202 | for (keys %$hash) { |
| 173 | delete $conn{$self->{remote_id}}{$self*1}; |
203 | if (ref $hash->{$_} eq HASH::) { |
| 174 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
204 | prune_cache($hash->{$_}); |
| 175 | |
205 | unless (scalar keys %{$hash->{$_}}) { |
| 176 | $httpevent->broadcast; |
206 | delete $hash->{$_}; |
|
|
207 | $d2++; |
|
|
208 | } |
|
|
209 | } |
|
|
210 | } |
| 177 | } |
211 | } |
|
|
212 | |
|
|
213 | sub prune_caches { |
|
|
214 | prune_cache \%conn; |
|
|
215 | prune_cache \%uri; |
|
|
216 | |
|
|
217 | for (keys %blocked) { |
|
|
218 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
|
|
219 | } |
|
|
220 | } |
|
|
221 | |
|
|
222 | Event->timer(interval => 60, cb => \&prune_caches); |
| 178 | |
223 | |
| 179 | sub slog { |
224 | sub slog { |
| 180 | my $self = shift; |
225 | my $self = shift; |
| 181 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
226 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
| 182 | } |
227 | } |
| 183 | |
228 | |
| 184 | sub response { |
229 | sub response { |
| 185 | my ($self, $code, $msg, $hdr, $content) = @_; |
230 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 186 | my $res = "HTTP/1.1 $code $msg\015\012"; |
231 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
232 | my $GZ = ""; |
| 187 | |
233 | |
| 188 | if (exists $hdr->{Connection}) { |
234 | if (exists $hdr->{Connection}) { |
| 189 | if ($hdr->{Connection} =~ /close/) { |
235 | if ($hdr->{Connection} =~ /close/) { |
| 190 | $self->{h}{connection} = "close" |
236 | $self->{h}{connection} = "close" |
| 191 | } |
237 | } |
| … | |
… | |
| 197 | $self->{h}{connection} = "close" |
243 | $self->{h}{connection} = "close" |
| 198 | } |
244 | } |
| 199 | } |
245 | } |
| 200 | } |
246 | } |
| 201 | |
247 | |
|
|
248 | if ($self->{method} ne "HEAD" |
|
|
249 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
|
|
250 | && 400 < length $content |
|
|
251 | && $hdr->{"Content-Length"} == length $content |
|
|
252 | && !exists $hdr->{"Content-Encoding"} |
|
|
253 | ) { |
|
|
254 | my $orig = length $content; |
|
|
255 | $hdr->{"Content-Encoding"} = "gzip"; |
|
|
256 | $content = Compress::Zlib::memGzip(\$content); |
|
|
257 | $hdr->{"Content-Length"} = length $content; |
|
|
258 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
|
259 | } |
|
|
260 | |
| 202 | $res .= "Date: $HTTP_NOW\015\012"; |
261 | $res .= "Date: $HTTP_NOW\015\012"; |
|
|
262 | $res .= "Server: $::NAME\015\012"; |
| 203 | |
263 | |
| 204 | while (my ($h, $v) = each %$hdr) { |
264 | while (my ($h, $v) = each %$hdr) { |
| 205 | $res .= "$h: $v\015\012" |
265 | $res .= "$h: $v\015\012" |
| 206 | } |
266 | } |
| 207 | $res .= "\015\012"; |
267 | $res .= "\015\012"; |
| 208 | |
268 | |
| 209 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
269 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
| 210 | |
270 | |
| 211 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
271 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
|
|
272 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
|
|
273 | " \"$self->{h}{referer}\"\n"; |
| 212 | |
274 | |
| 213 | print $accesslog $log if $accesslog; |
275 | print $::accesslog $log if $::accesslog; |
| 214 | print STDERR $log; |
276 | print STDERR $log; |
| 215 | |
277 | |
| 216 | $self->{written} += |
278 | $tbf_top->request(length $res, 1e6); |
| 217 | print {$self->{fh}} $res; |
279 | $self->{written} += print {$self->{fh}} $res; |
| 218 | } |
280 | } |
| 219 | |
281 | |
| 220 | sub err { |
282 | sub err { |
| 221 | my $self = shift; |
283 | my $self = shift; |
| 222 | my ($code, $msg, $hdr, $content) = @_; |
284 | my ($code, $msg, $hdr, $content) = @_; |
| … | |
… | |
| 277 | my (%hdr, $h, $v); |
339 | my (%hdr, $h, $v); |
| 278 | |
340 | |
| 279 | $hdr{lc $1} .= ",$2" |
341 | $hdr{lc $1} .= ",$2" |
| 280 | while $req =~ /\G |
342 | while $req =~ /\G |
| 281 | ([^:\000-\040]+): |
343 | ([^:\000-\040]+): |
| 282 | [\008\040]* |
344 | [\011\040]* |
| 283 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
345 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
| 284 | \015\012 |
346 | \015\012 |
| 285 | /gxc; |
347 | /gxc; |
| 286 | |
348 | |
| 287 | $req =~ /\G\015\012$/ |
349 | $req =~ /\G\015\012$/ |
| 288 | or $self->err(400, "bad request"); |
350 | or $self->err(400, "bad request"); |
| … | |
… | |
| 300 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
362 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
| 301 | } |
363 | } |
| 302 | |
364 | |
| 303 | $self->{remote_id} = $id; |
365 | $self->{remote_id} = $id; |
| 304 | |
366 | |
|
|
367 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
368 | |
| 305 | if ($blocked{$id}) { |
369 | if ($blocked{$id}) { |
| 306 | $self->err_blocked($blocked{$id}) |
370 | $self->err_blocked |
| 307 | if $blocked{$id} > $::NOW; |
371 | if $blocked{$id}[0] > $::NOW; |
| 308 | |
372 | |
| 309 | delete $blocked{$id}; |
373 | delete $blocked{$id}; |
| 310 | } |
|
|
| 311 | |
|
|
| 312 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
| 313 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
| 314 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
| 315 | if ($delay < $::NOW) { |
|
|
| 316 | $self->slog(2, "blocked ip $id"); |
|
|
| 317 | $self->err_blocked; |
|
|
| 318 | } else { |
|
|
| 319 | $httpevent->wait; |
|
|
| 320 | } |
|
|
| 321 | } |
|
|
| 322 | } |
374 | } |
| 323 | |
375 | |
| 324 | # find out server name and port |
376 | # find out server name and port |
| 325 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
377 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
| 326 | $host = $1; |
378 | $host = $1; |
| … | |
… | |
| 337 | $host = inet_ntoa $host; |
389 | $host = inet_ntoa $host; |
| 338 | } |
390 | } |
| 339 | |
391 | |
| 340 | $self->{server_name} = $host; |
392 | $self->{server_name} = $host; |
| 341 | |
393 | |
| 342 | # enter ourselves into various lists |
|
|
| 343 | weaken ($conn{$id}{$self*1} = $self); |
|
|
| 344 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
394 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
| 345 | |
395 | |
| 346 | eval { |
396 | eval { |
| 347 | $self->map_uri; |
397 | $self->map_uri; |
| 348 | $self->respond; |
398 | $self->respond; |
| 349 | }; |
399 | }; |
| 350 | |
400 | |
| 351 | $self->eoconn; |
|
|
| 352 | |
|
|
| 353 | die if $@ && !ref $@; |
401 | die if $@ && !ref $@; |
| 354 | |
402 | |
| 355 | last if $self->{h}{connection} =~ /close/; |
403 | last if $self->{h}{connection} =~ /close/i; |
| 356 | |
404 | |
| 357 | $httpevent->broadcast; |
405 | $httpevent->broadcast; |
| 358 | |
406 | |
| 359 | $fh->timeout($::PER_TIMEOUT); |
407 | $fh->timeout($::PER_TIMEOUT); |
| 360 | } |
408 | } |
|
|
409 | } |
|
|
410 | |
|
|
411 | sub block { |
|
|
412 | my $self = shift; |
|
|
413 | |
|
|
414 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
415 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
416 | $self->err_blocked; |
| 361 | } |
417 | } |
| 362 | |
418 | |
| 363 | # uri => path mapping |
419 | # uri => path mapping |
| 364 | sub map_uri { |
420 | sub map_uri { |
| 365 | my $self = shift; |
421 | my $self = shift; |
| … | |
… | |
| 412 | |
468 | |
| 413 | sub respond { |
469 | sub respond { |
| 414 | my $self = shift; |
470 | my $self = shift; |
| 415 | my $path = $self->{path}; |
471 | my $path = $self->{path}; |
| 416 | |
472 | |
| 417 | stat $path |
473 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
| 418 | or $self->err(404, "not found"); |
474 | if ($::internal{$1}) { |
| 419 | |
475 | $::internal{$1}->($self); |
| 420 | $self->{stat} = [stat _]; |
|
|
| 421 | |
|
|
| 422 | # idiotic netscape sends idiotic headers AGAIN |
|
|
| 423 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
| 424 | ? str2time $1 : 0; |
|
|
| 425 | |
|
|
| 426 | if (-d _ && -r _) { |
|
|
| 427 | # directory |
|
|
| 428 | if ($path !~ /\/$/) { |
|
|
| 429 | # create a redirect to get the trailing "/" |
|
|
| 430 | # we don't try to avoid the :80 |
|
|
| 431 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
| 432 | } else { |
476 | } else { |
| 433 | $ims < $self->{stat}[9] |
477 | $self->err(404, "not found"); |
|
|
478 | } |
|
|
479 | } else { |
|
|
480 | |
|
|
481 | stat $path |
| 434 | or $self->err(304, "not modified"); |
482 | or $self->err(404, "not found"); |
| 435 | |
483 | |
| 436 | if (-r "$path/index.html") { |
484 | $self->{stat} = [stat _]; |
| 437 | # replace directory "size" by index.html filesize |
485 | |
| 438 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
486 | # idiotic netscape sends idiotic headers AGAIN |
| 439 | $self->handle_file; |
487 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
488 | ? str2time $1 : 0; |
|
|
489 | |
|
|
490 | if (-d _ && -r _) { |
|
|
491 | # directory |
|
|
492 | if ($path !~ /\/$/) { |
|
|
493 | # create a redirect to get the trailing "/" |
|
|
494 | # we don't try to avoid the :80 |
|
|
495 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
| 440 | } else { |
496 | } else { |
|
|
497 | $ims < $self->{stat}[9] |
|
|
498 | or $self->err(304, "not modified"); |
|
|
499 | |
|
|
500 | if (-r "$path/index.html") { |
|
|
501 | # replace directory "size" by index.html filesize |
|
|
502 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
503 | $self->handle_file($queue_index, $tbf_top); |
|
|
504 | } else { |
| 441 | $self->handle_dir; |
505 | $self->handle_dir; |
| 442 | } |
506 | } |
| 443 | } |
507 | } |
| 444 | } elsif (-f _ && -r _) { |
508 | } elsif (-f _ && -r _) { |
| 445 | -x _ and $self->err(403, "forbidden"); |
509 | -x _ and $self->err(403, "forbidden"); |
| 446 | $self->handle_file; |
510 | |
|
|
511 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
512 | my $timeout = $::NOW + 10; |
|
|
513 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
514 | if ($timeout < $::NOW) { |
|
|
515 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
516 | } else { |
|
|
517 | $httpevent->wait; |
|
|
518 | } |
|
|
519 | } |
|
|
520 | } |
|
|
521 | |
|
|
522 | $self->handle_file($queue_file, $tbf_top); |
| 447 | } else { |
523 | } else { |
| 448 | $self->err(404, "not found"); |
524 | $self->err(404, "not found"); |
|
|
525 | } |
| 449 | } |
526 | } |
| 450 | } |
527 | } |
| 451 | |
528 | |
| 452 | sub handle_dir { |
529 | sub handle_dir { |
| 453 | my $self = shift; |
530 | my $self = shift; |
| 454 | my $idx = $self->diridx; |
531 | my $idx = $self->diridx; |
| 455 | |
532 | |
| 456 | $self->response(200, "ok", |
533 | $self->response(200, "ok", |
| 457 | { |
534 | { |
| 458 | "Content-Type" => "text/html", |
535 | "Content-Type" => "text/html; charset=utf-8", |
| 459 | "Content-Length" => length $idx, |
536 | "Content-Length" => length $idx, |
|
|
537 | "Last-Modified" => time2str ($self->{stat}[9]), |
| 460 | }, |
538 | }, |
| 461 | $idx); |
539 | $idx); |
| 462 | } |
540 | } |
| 463 | |
541 | |
| 464 | sub handle_file { |
542 | sub handle_file { |
| 465 | my $self = shift; |
543 | my ($self, $queue, $tbf) = @_; |
| 466 | my $length = $self->{stat}[7]; |
544 | my $length = $self->{stat}[7]; |
| 467 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
| 468 | my $hdr = { |
545 | my $hdr = { |
| 469 | "Last-Modified" => time2str ((stat _)[9]), |
546 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
547 | "Accept-Ranges" => "bytes", |
| 470 | }; |
548 | }; |
| 471 | |
549 | |
| 472 | my @code = (200, "ok"); |
550 | my @code = (200, "ok"); |
| 473 | my ($l, $h); |
551 | my ($l, $h); |
| 474 | |
552 | |
| … | |
… | |
| 489 | $self->err(416, "not satisfiable", $hdr, ""); |
567 | $self->err(416, "not satisfiable", $hdr, ""); |
| 490 | |
568 | |
| 491 | satisfiable: |
569 | satisfiable: |
| 492 | # check for segmented downloads |
570 | # check for segmented downloads |
| 493 | if ($l && $::NO_SEGMENTED) { |
571 | if ($l && $::NO_SEGMENTED) { |
| 494 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
572 | my $timeout = $::NOW + 15; |
| 495 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
573 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
| 496 | if ($delay <= $::NOW) { |
574 | if ($timeout <= $::NOW) { |
|
|
575 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
| 497 | $self->err_segmented_download; |
576 | #$self->err_segmented_download; |
| 498 | } else { |
577 | } else { |
| 499 | $httpevent->wait; |
578 | $httpevent->wait; |
| 500 | } |
579 | } |
| 501 | } |
580 | } |
| 502 | } |
581 | } |
| … | |
… | |
| 516 | |
595 | |
| 517 | $self->response(@code, $hdr, ""); |
596 | $self->response(@code, $hdr, ""); |
| 518 | |
597 | |
| 519 | if ($self->{method} eq "GET") { |
598 | if ($self->{method} eq "GET") { |
| 520 | $self->{time} = $::NOW; |
599 | $self->{time} = $::NOW; |
| 521 | |
|
|
| 522 | my $fudge = $queue->[0]->waiters; |
|
|
| 523 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
| 524 | |
|
|
| 525 | $queue->[1] *= $fudge; |
|
|
| 526 | my $transfer = $queue->[0]->guard; |
|
|
| 527 | |
|
|
| 528 | if ($fudge != 1) { |
|
|
| 529 | $queue->[1] /= $fudge; |
|
|
| 530 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
| 531 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
| 532 | } |
|
|
| 533 | $self->{time} = $::NOW; |
600 | $self->{written} = 0; |
| 534 | |
601 | |
| 535 | $self->{fh}->writable or return; |
602 | my $current = $Coro::current; |
| 536 | |
603 | |
| 537 | my ($fh, $buf, $r); |
604 | my ($fh, $buf, $r); |
| 538 | my $current = $Coro::current; |
605 | |
| 539 | open $fh, "<", $self->{path} |
606 | open $fh, "<", $self->{path} |
| 540 | or die "$self->{path}: late open failure ($!)"; |
607 | or die "$self->{path}: late open failure ($!)"; |
| 541 | |
608 | |
| 542 | $h -= $l - 1; |
609 | $h -= $l - 1; |
| 543 | |
610 | |
| 544 | if (0) { |
611 | if (0) { # !AIO |
| 545 | if ($l) { |
612 | if ($l) { |
| 546 | sysseek $fh, $l, 0; |
613 | sysseek $fh, $l, 0; |
| 547 | } |
614 | } |
| 548 | } |
615 | } |
|
|
616 | |
|
|
617 | my $transfer = $queue->start_transfer($h); |
|
|
618 | my $locked; |
|
|
619 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
| 549 | |
620 | |
| 550 | while ($h > 0) { |
621 | while ($h > 0) { |
| 551 | if (0) { |
622 | unless ($locked) { |
| 552 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
623 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
624 | $bufsize = $::BUFSIZE; |
|
|
625 | $self->{time} = $::NOW; |
|
|
626 | $self->{written} = 0; |
|
|
627 | } |
|
|
628 | } |
|
|
629 | |
|
|
630 | if ($blocked{$self->{remote_id}}) { |
|
|
631 | $self->{h}{connection} = "close"; |
|
|
632 | die bless {}, err::; |
|
|
633 | } |
|
|
634 | |
|
|
635 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), $buf, 0 |
| 553 | or last; |
636 | or last; |
| 554 | } else { |
637 | |
| 555 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
638 | $tbf->request (length $buf); |
| 556 | $buf, 0, sub { |
|
|
| 557 | $r = $_[0]; |
|
|
| 558 | Coro::ready($current); |
|
|
| 559 | }); |
|
|
| 560 | &Coro::schedule; |
|
|
| 561 | last unless $r; |
|
|
| 562 | } |
|
|
| 563 | my $w = syswrite $self->{fh}, $buf |
639 | my $w = syswrite $self->{fh}, $buf |
| 564 | or last; |
640 | or last; |
| 565 | $::written += $w; |
641 | $::written += $w; |
| 566 | $self->{written} += $w; |
642 | $self->{written} += $w; |
| 567 | $l += $r; |
643 | $l += $r; |
| … | |
… | |
| 569 | |
645 | |
| 570 | close $fh; |
646 | close $fh; |
| 571 | } |
647 | } |
| 572 | } |
648 | } |
| 573 | |
649 | |
| 574 | 1; |
650 | 1 |
|
|
651 | |
