| … | |
… | |
| 75 | use Linux::AIO; |
75 | use Linux::AIO; |
| 76 | |
76 | |
| 77 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
77 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
| 78 | |
78 | |
| 79 | Event->io(fd => Linux::AIO::poll_fileno, |
79 | Event->io(fd => Linux::AIO::poll_fileno, |
| 80 | poll => 'r', |
80 | poll => 'r', async => 1, |
| 81 | async => 1, |
|
|
| 82 | cb => \&Linux::AIO::poll_cb ); |
81 | cb => \&Linux::AIO::poll_cb); |
| 83 | |
82 | my $scheduler = Event->idle( |
| 84 | Event->add_hooks(prepare => sub { |
83 | max => 0, min => 0, prio => 6, parked => 1, |
| 85 | &Coro::cede while &Coro::nready; |
84 | cb => \&Coro::schedule); |
| 86 | 1e6; |
|
|
| 87 | }); |
|
|
| 88 | |
85 | |
| 89 | our %conn; # $conn{ip}{fh} => connobj |
86 | our %conn; # $conn{ip}{fh} => connobj |
| 90 | our %blocked; |
87 | our %blocked; |
| 91 | our %mimetype; |
88 | our %mimetype; |
| 92 | |
89 | |
| … | |
… | |
| 127 | sub DESTROY { |
124 | sub DESTROY { |
| 128 | my $self = shift; |
125 | my $self = shift; |
| 129 | |
126 | |
| 130 | $::conns--; |
127 | $::conns--; |
| 131 | |
128 | |
|
|
129 | $self->eoconn; |
| 132 | delete $conn{$self->{remote_addr}}{$self*1}; |
130 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
131 | } |
|
|
132 | |
|
|
133 | # end of connection |
|
|
134 | sub eoconn { |
| 133 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
135 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
| 134 | } |
136 | } |
| 135 | |
137 | |
| 136 | sub slog { |
138 | sub slog { |
| 137 | my $self = shift; |
139 | my $self = shift; |
| 138 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
140 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
| 139 | } |
141 | } |
| 140 | |
142 | |
| 141 | sub response { |
143 | sub response { |
| 142 | my ($self, $code, $msg, $hdr, $content) = @_; |
144 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 143 | my $res = "HTTP/1.0 $code $msg\015\012"; |
145 | my $res = "HTTP/1.1 $code $msg\015\012"; |
| 144 | |
146 | |
| 145 | $res .= "Connection: close\015\012"; |
147 | #$res .= "Connection: close\015\012"; |
| 146 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
148 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
| 147 | |
149 | |
| 148 | while (my ($h, $v) = each %$hdr) { |
150 | while (my ($h, $v) = each %$hdr) { |
| 149 | $res .= "$h: $v\015\012" |
151 | $res .= "$h: $v\015\012" |
| 150 | } |
152 | } |
| … | |
… | |
| 165 | unless (defined $content) { |
167 | unless (defined $content) { |
| 166 | $content = "$code $msg"; |
168 | $content = "$code $msg"; |
| 167 | $hdr->{"Content-Type"} = "text/plain"; |
169 | $hdr->{"Content-Type"} = "text/plain"; |
| 168 | $hdr->{"Content-Length"} = length $content; |
170 | $hdr->{"Content-Length"} = length $content; |
| 169 | } |
171 | } |
|
|
172 | $hdr->{"Connection"} = "close"; |
| 170 | |
173 | |
| 171 | $self->response($code, $msg, $hdr, $content); |
174 | $self->response($code, $msg, $hdr, $content); |
| 172 | |
175 | |
| 173 | die bless {}, err::; |
176 | die bless {}, err::; |
| 174 | } |
177 | } |
| … | |
… | |
| 176 | sub err_blocked { |
179 | sub err_blocked { |
| 177 | my $self = shift; |
180 | my $self = shift; |
| 178 | my $ip = $self->{remote_addr}; |
181 | my $ip = $self->{remote_addr}; |
| 179 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
182 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
| 180 | |
183 | |
| 181 | Coro::Event::do_timer(after => 15); |
184 | Coro::Event::do_timer(after => 20*rand); |
| 182 | |
185 | |
| 183 | $self->err(401, "too many connections", |
186 | $self->err(401, "too many connections", |
| 184 | { |
187 | { |
| 185 | "Content-Type" => "text/html", |
188 | "Content-Type" => "text/html", |
| 186 | "Retry-After" => $::BLOCKTIME |
189 | "Retry-After" => $::BLOCKTIME, |
|
|
190 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
191 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
| 187 | }, |
192 | }, |
| 188 | <<EOF); |
193 | <<EOF); |
| 189 | <html><p> |
194 | <html><p> |
| 190 | You have been blocked because you opened too many connections. You |
195 | You have been blocked because you opened too many connections. You |
| 191 | may retry at</p> |
196 | may retry at</p> |
| … | |
… | |
| 200 | |
205 | |
| 201 | sub handle { |
206 | sub handle { |
| 202 | my $self = shift; |
207 | my $self = shift; |
| 203 | my $fh = $self->{fh}; |
208 | my $fh = $self->{fh}; |
| 204 | |
209 | |
|
|
210 | $fh->timeout($::REQ_TIMEOUT); |
| 205 | #while() { |
211 | while() { |
|
|
212 | $self->{reqs}++; |
|
|
213 | |
|
|
214 | # read request and parse first line |
|
|
215 | my $req = $fh->readline("\015\012\015\012"); |
|
|
216 | |
|
|
217 | unless (defined $req) { |
|
|
218 | if (exists $self->{version}) { |
|
|
219 | last; |
|
|
220 | } else { |
|
|
221 | $self->err(408, "request timeout"); |
|
|
222 | } |
|
|
223 | } |
|
|
224 | |
| 206 | $self->{h} = {}; |
225 | $self->{h} = {}; |
| 207 | |
226 | |
| 208 | # read request and parse first line |
|
|
| 209 | $fh->timeout($::REQ_TIMEOUT); |
|
|
| 210 | my $req = $fh->readline("\015\012\015\012"); |
|
|
| 211 | $fh->timeout($::RES_TIMEOUT); |
227 | $fh->timeout($::RES_TIMEOUT); |
| 212 | |
|
|
| 213 | defined $req or |
|
|
| 214 | $self->err(408, "request timeout"); |
|
|
| 215 | |
|
|
| 216 | my $ip = $self->{remote_addr}; |
228 | my $ip = $self->{remote_addr}; |
| 217 | |
229 | |
| 218 | if ($blocked{$ip}) { |
230 | if ($blocked{$ip}) { |
| 219 | $self->err_blocked($blocked{$ip}) |
231 | $self->err_blocked($blocked{$ip}) |
| 220 | if $blocked{$ip} > $::NOW; |
232 | if $blocked{$ip} > $::NOW; |
| … | |
… | |
| 232 | ([^\040]+) \040+ |
244 | ([^\040]+) \040+ |
| 233 | HTTP\/([0-9]+\.[0-9]+) |
245 | HTTP\/([0-9]+\.[0-9]+) |
| 234 | \015\012/gx |
246 | \015\012/gx |
| 235 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
247 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
| 236 | |
248 | |
| 237 | $2 ne "1.0" |
|
|
| 238 | or $self->err(506, "http protocol version not supported"); |
|
|
| 239 | |
|
|
| 240 | $self->{method} = $1; |
249 | $self->{method} = $1; |
| 241 | $self->{uri} = $2; |
250 | $self->{uri} = $2; |
|
|
251 | $self->{version} = $3; |
|
|
252 | |
|
|
253 | $3 =~ /^1\./ |
|
|
254 | or $self->err(506, "http protocol version $3 not supported"); |
| 242 | |
255 | |
| 243 | # parse headers |
256 | # parse headers |
| 244 | { |
257 | { |
| 245 | my (%hdr, $h, $v); |
258 | my (%hdr, $h, $v); |
| 246 | |
259 | |
| … | |
… | |
| 263 | |
276 | |
| 264 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
277 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
| 265 | |
278 | |
| 266 | $self->map_uri; |
279 | $self->map_uri; |
| 267 | $self->respond; |
280 | $self->respond; |
|
|
281 | |
|
|
282 | $self->eoconn; |
|
|
283 | |
|
|
284 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
|
|
285 | |
|
|
286 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
|
|
287 | $fh->timeout($::PER_TIMEOUT); |
| 268 | #} |
288 | } |
| 269 | } |
289 | } |
| 270 | |
290 | |
| 271 | # uri => path mapping |
291 | # uri => path mapping |
| 272 | sub map_uri { |
292 | sub map_uri { |
| 273 | my $self = shift; |
293 | my $self = shift; |
| … | |
… | |
| 412 | goto ignore; |
432 | goto ignore; |
| 413 | } |
433 | } |
| 414 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
434 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
| 415 | } |
435 | } |
| 416 | $hdr->{"Content-Range"} = "bytes */$length"; |
436 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
437 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
| 417 | $self->err(416, "not satisfiable", $hdr); |
438 | $self->err(416, "not satisfiable", $hdr); |
| 418 | |
439 | |
| 419 | satisfiable: |
440 | satisfiable: |
| 420 | # check for segmented downloads |
441 | # check for segmented downloads |
| 421 | if ($l && $::NO_SEGMENTED) { |
442 | if ($l && $::NO_SEGMENTED) { |
| … | |
… | |
| 447 | open $fh, "<", $self->{path} |
468 | open $fh, "<", $self->{path} |
| 448 | or die "$self->{path}: late open failure ($!)"; |
469 | or die "$self->{path}: late open failure ($!)"; |
| 449 | |
470 | |
| 450 | $h -= $l - 1; |
471 | $h -= $l - 1; |
| 451 | |
472 | |
|
|
473 | if (0) { |
|
|
474 | if ($l) { |
|
|
475 | sysseek $fh, $l, 0; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | |
| 452 | while ($h > 0) { |
479 | while ($h > 0) { |
|
|
480 | if (0) { |
|
|
481 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
482 | or last; |
|
|
483 | } else { |
| 453 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
484 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
| 454 | $buf, 0, sub { |
485 | $buf, 0, sub { |
| 455 | $r = $_[0]; |
486 | $r = $_[0]; |
| 456 | $current->ready; |
487 | $current->ready; |
|
|
488 | $scheduler->now; |
| 457 | }); |
489 | }); |
| 458 | &Coro::schedule; |
490 | &Coro::schedule; |
| 459 | last unless $r; |
491 | last unless $r; |
|
|
492 | } |
| 460 | my $w = $self->{fh}->syswrite($buf) |
493 | my $w = $self->{fh}->syswrite($buf) |
| 461 | or last; |
494 | or last; |
| 462 | $::written += $w; |
495 | $::written += $w; |
| 463 | $self->{written} += $w; |
496 | $self->{written} += $w; |
| 464 | $l += $r; |
497 | $l += $r; |
