… | |
… | |
9 | # at least on my machine, this thingy serves files |
9 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
10 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
11 | # and quite a bit slower than thttpd :( |
12 | |
12 | |
13 | $SIG{PIPE} = 'IGNORE'; |
13 | $SIG{PIPE} = 'IGNORE'; |
14 | |
14 | |
|
|
15 | our $accesslog; |
|
|
16 | |
|
|
17 | if ($ACCESS_LOG) { |
|
|
18 | use IO::Handle; |
|
|
19 | open $accesslog, ">>$ACCESS_LOG" |
|
|
20 | or die "$ACCESS_LOG: $!"; |
|
|
21 | $accesslog->autoflush(1); |
|
|
22 | } |
|
|
23 | |
15 | sub slog { |
24 | sub slog { |
16 | my $level = shift; |
25 | my $level = shift; |
17 | my $format = shift; |
26 | my $format = shift; |
18 | printf "---: $format\n", @_; |
27 | printf "---: $format\n", @_; |
19 | } |
28 | } |
… | |
… | |
43 | |
52 | |
44 | my $http_port = new Coro::Socket |
53 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
54 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
55 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
56 | ReuseAddr => 1, |
48 | Listen => 1, |
57 | Listen => 50, |
49 | or die "unable to start server"; |
58 | or die "unable to start server"; |
50 | |
59 | |
51 | push @listen_sockets, $http_port; |
60 | push @listen_sockets, $http_port; |
52 | |
61 | |
53 | # the "main thread" |
62 | # the "main thread" |
… | |
… | |
70 | package conn; |
79 | package conn; |
71 | |
80 | |
72 | use Socket; |
81 | use Socket; |
73 | use HTTP::Date; |
82 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
83 | use Convert::Scalar 'weaken'; |
|
|
84 | use Linux::AIO; |
75 | |
85 | |
|
|
86 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
|
|
87 | |
|
|
88 | Event->io(fd => Linux::AIO::poll_fileno, |
|
|
89 | poll => 'r', async => 1, |
|
|
90 | cb => \&Linux::AIO::poll_cb); |
|
|
91 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
92 | our %conn; # $conn{ip}{self} => connobj |
|
|
93 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
94 | our %blocked; |
78 | our %mimetype; |
95 | our %mimetype; |
79 | |
96 | |
80 | sub read_mimetypes { |
97 | sub read_mimetypes { |
81 | local *M; |
98 | local *M; |
… | |
… | |
104 | $self->{time} = $::NOW; |
121 | $self->{time} = $::NOW; |
105 | |
122 | |
106 | # enter ourselves into various lists |
123 | # enter ourselves into various lists |
107 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
124 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
108 | |
125 | |
|
|
126 | $::conns++; |
|
|
127 | |
109 | $self; |
128 | $self; |
110 | } |
129 | } |
111 | |
130 | |
112 | sub DESTROY { |
131 | sub DESTROY { |
113 | my $self = shift; |
132 | my $self = shift; |
|
|
133 | |
|
|
134 | $::conns--; |
|
|
135 | |
|
|
136 | $self->eoconn; |
114 | delete $conn{$self->{remote_addr}}{$self*1}; |
137 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
138 | } |
|
|
139 | |
|
|
140 | # end of connection |
|
|
141 | sub eoconn { |
|
|
142 | my $self = shift; |
115 | delete $uri{$self->{uri}}{$self*1}; |
143 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
116 | } |
144 | } |
117 | |
145 | |
118 | sub slog { |
146 | sub slog { |
119 | my $self = shift; |
147 | my $self = shift; |
120 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
148 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
121 | } |
149 | } |
122 | |
150 | |
123 | sub response { |
151 | sub response { |
124 | my ($self, $code, $msg, $hdr, $content) = @_; |
152 | my ($self, $code, $msg, $hdr, $content) = @_; |
125 | my $res = "HTTP/1.0 $code $msg\015\012"; |
153 | my $res = "HTTP/1.1 $code $msg\015\012"; |
126 | |
154 | |
127 | $res .= "Connection: close\015\012"; |
155 | #$res .= "Connection: close\015\012"; |
128 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
156 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
129 | |
157 | |
130 | while (my ($h, $v) = each %$hdr) { |
158 | while (my ($h, $v) = each %$hdr) { |
131 | $res .= "$h: $v\015\012" |
159 | $res .= "$h: $v\015\012" |
132 | } |
160 | } |
133 | $res .= "\015\012"; |
161 | $res .= "\015\012"; |
134 | |
162 | |
135 | $res .= $content if defined $content and $self->{method} eq "GET"; |
163 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
136 | |
164 | |
137 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
165 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
|
|
166 | |
|
|
167 | print $accesslog $log if $accesslog; |
|
|
168 | print STDERR $log; |
138 | |
169 | |
139 | $self->{written} += |
170 | $self->{written} += |
140 | print {$self->{fh}} $res; |
171 | print {$self->{fh}} $res; |
141 | } |
172 | } |
142 | |
173 | |
… | |
… | |
147 | unless (defined $content) { |
178 | unless (defined $content) { |
148 | $content = "$code $msg"; |
179 | $content = "$code $msg"; |
149 | $hdr->{"Content-Type"} = "text/plain"; |
180 | $hdr->{"Content-Type"} = "text/plain"; |
150 | $hdr->{"Content-Length"} = length $content; |
181 | $hdr->{"Content-Length"} = length $content; |
151 | } |
182 | } |
|
|
183 | $hdr->{"Connection"} = "close"; |
152 | |
184 | |
153 | $self->response($code, $msg, $hdr, $content); |
185 | $self->response($code, $msg, $hdr, $content); |
154 | |
186 | |
155 | die bless {}, err::; |
187 | die bless {}, err::; |
156 | } |
188 | } |
… | |
… | |
158 | sub err_blocked { |
190 | sub err_blocked { |
159 | my $self = shift; |
191 | my $self = shift; |
160 | my $ip = $self->{remote_addr}; |
192 | my $ip = $self->{remote_addr}; |
161 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
193 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
162 | |
194 | |
163 | Coro::Event::do_timer(after => 5); |
195 | Coro::Event::do_timer(after => 20*rand); |
164 | |
196 | |
165 | $self->err(403, "too many connections", |
197 | $self->err(401, "too many connections", |
166 | { |
198 | { |
167 | "Content-Type" => "text/html", |
199 | "Content-Type" => "text/html", |
168 | "Retry-After" => $::BLOCKTIME |
200 | "Retry-After" => $::BLOCKTIME, |
|
|
201 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
202 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
169 | }, |
203 | }, |
170 | <<EOF); |
204 | <<EOF); |
171 | <html><p> |
205 | <html> |
|
|
206 | <head> |
|
|
207 | <title>Too many connections</title> |
|
|
208 | </head> |
|
|
209 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
210 | |
172 | You have been blocked because you opened too many connections. You |
211 | <p>You have been blocked because you opened too many connections. You |
173 | may retry at</p> |
212 | may retry at</p> |
174 | |
213 | |
175 | <p><blockquote>$time.</blockquote></p> |
214 | <p><blockquote>$time.</blockquote></p> |
176 | |
215 | |
177 | <p>Until then, each new access will renew the block. You might want to have a |
216 | <p>Until then, each new access will renew the block. You might want to have a |
178 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
217 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
179 | </html> |
218 | |
|
|
219 | </body></html> |
180 | EOF |
220 | EOF |
181 | } |
221 | } |
182 | |
222 | |
183 | sub handle { |
223 | sub handle { |
184 | my $self = shift; |
224 | my $self = shift; |
185 | my $fh = $self->{fh}; |
225 | my $fh = $self->{fh}; |
186 | |
226 | |
|
|
227 | $fh->timeout($::REQ_TIMEOUT); |
187 | #while() { |
228 | while() { |
|
|
229 | $self->{reqs}++; |
|
|
230 | |
|
|
231 | # read request and parse first line |
|
|
232 | my $req = $fh->readline("\015\012\015\012"); |
|
|
233 | |
|
|
234 | unless (defined $req) { |
|
|
235 | if (exists $self->{version}) { |
|
|
236 | last; |
|
|
237 | } else { |
|
|
238 | $self->err(408, "request timeout"); |
|
|
239 | } |
|
|
240 | } |
|
|
241 | |
188 | $self->{h} = {}; |
242 | $self->{h} = {}; |
189 | |
243 | |
190 | # read request and parse first line |
|
|
191 | $fh->timeout($::REQ_TIMEOUT); |
|
|
192 | my $req = $fh->readline("\015\012\015\012"); |
|
|
193 | $fh->timeout($::RES_TIMEOUT); |
244 | $fh->timeout($::RES_TIMEOUT); |
194 | |
|
|
195 | defined $req or |
|
|
196 | $self->err(408, "request timeout"); |
|
|
197 | |
|
|
198 | my $ip = $self->{remote_addr}; |
245 | my $ip = $self->{remote_addr}; |
199 | |
246 | |
200 | if ($blocked{$ip}) { |
247 | if ($blocked{$ip}) { |
201 | $self->err_blocked($blocked{$ip}) |
248 | $self->err_blocked($blocked{$ip}) |
202 | if $blocked{$ip} > $::NOW; |
249 | if $blocked{$ip} > $::NOW; |
… | |
… | |
212 | $req =~ /^(?:\015\012)? |
259 | $req =~ /^(?:\015\012)? |
213 | (GET|HEAD) \040+ |
260 | (GET|HEAD) \040+ |
214 | ([^\040]+) \040+ |
261 | ([^\040]+) \040+ |
215 | HTTP\/([0-9]+\.[0-9]+) |
262 | HTTP\/([0-9]+\.[0-9]+) |
216 | \015\012/gx |
263 | \015\012/gx |
217 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
264 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
218 | |
|
|
219 | $2 ne "1.0" |
|
|
220 | or $self->err(506, "http protocol version not supported"); |
|
|
221 | |
265 | |
222 | $self->{method} = $1; |
266 | $self->{method} = $1; |
223 | $self->{uri} = $2; |
267 | $self->{uri} = $2; |
|
|
268 | $self->{version} = $3; |
|
|
269 | |
|
|
270 | $3 =~ /^1\./ |
|
|
271 | or $self->err(506, "http protocol version $3 not supported"); |
224 | |
272 | |
225 | # parse headers |
273 | # parse headers |
226 | { |
274 | { |
227 | my (%hdr, $h, $v); |
275 | my (%hdr, $h, $v); |
228 | |
276 | |
… | |
… | |
241 | while ($h, $v) = each %hdr; |
289 | while ($h, $v) = each %hdr; |
242 | } |
290 | } |
243 | |
291 | |
244 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
292 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
245 | |
293 | |
246 | weaken ($uri{$self->{uri}}{$self*1} = $self); |
294 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
247 | |
295 | |
|
|
296 | eval { |
248 | $self->map_uri; |
297 | $self->map_uri; |
249 | $self->respond; |
298 | $self->respond; |
|
|
299 | }; |
|
|
300 | |
|
|
301 | $self->eoconn; |
|
|
302 | |
|
|
303 | die if $@ && !ref $@; |
|
|
304 | |
|
|
305 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
|
|
306 | |
|
|
307 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
|
|
308 | $fh->timeout($::PER_TIMEOUT); |
250 | #} |
309 | } |
251 | } |
310 | } |
252 | |
311 | |
253 | # uri => path mapping |
312 | # uri => path mapping |
254 | sub map_uri { |
313 | sub map_uri { |
255 | my $self = shift; |
314 | my $self = shift; |
… | |
… | |
342 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
401 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
343 | } else { |
402 | } else { |
344 | $ims < $self->{stat}[9] |
403 | $ims < $self->{stat}[9] |
345 | or $self->err(304, "not modified"); |
404 | or $self->err(304, "not modified"); |
346 | |
405 | |
347 | if ($self->{method} eq "GET") { |
|
|
348 | if (-r "$path/index.html") { |
406 | if (-r "$path/index.html") { |
349 | $self->{path} .= "/index.html"; |
407 | $self->{path} .= "/index.html"; |
350 | $self->handle_file; |
408 | $self->handle_file; |
351 | } else { |
409 | } else { |
352 | $self->handle_dir; |
410 | $self->handle_dir; |
353 | } |
|
|
354 | } |
411 | } |
355 | } |
412 | } |
356 | } elsif (-f _ && -r _) { |
413 | } elsif (-f _ && -r _) { |
357 | -x _ and $self->err(403, "forbidden"); |
414 | -x _ and $self->err(403, "forbidden"); |
358 | $self->handle_file; |
415 | $self->handle_file; |
… | |
… | |
391 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
448 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
392 | } else { |
449 | } else { |
393 | ($l, $h) = (0, $length - 1); |
450 | ($l, $h) = (0, $length - 1); |
394 | goto ignore; |
451 | goto ignore; |
395 | } |
452 | } |
396 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
453 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
397 | } |
454 | } |
398 | $hdr->{"Content-Range"} = "bytes */$length"; |
455 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
456 | $hdr->{"Content-Length"} = $length; |
|
|
457 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
399 | $self->err(416, "not satisfiable", $hdr); |
458 | $self->err(416, "not satisfiable", $hdr, ""); |
400 | |
459 | |
401 | satisfiable: |
460 | satisfiable: |
402 | # check for segmented downloads |
461 | # check for segmented downloads |
403 | if ($l && $::NO_SEGMENTED) { |
462 | if ($l && $::NO_SEGMENTED) { |
404 | if (%{$uri{$self->{uri}}} > 1) { |
463 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
405 | $self->err(400, "segmented downloads are not allowed"); |
464 | $self->err(400, "segmented downloads are not allowed"); |
406 | } |
465 | } |
407 | } |
466 | } |
408 | |
467 | |
409 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
468 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
420 | $hdr->{"Content-Length"} = $length; |
479 | $hdr->{"Content-Length"} = $length; |
421 | |
480 | |
422 | $self->response(@code, $hdr, ""); |
481 | $self->response(@code, $hdr, ""); |
423 | |
482 | |
424 | if ($self->{method} eq "GET") { |
483 | if ($self->{method} eq "GET") { |
425 | my ($fh, $buf); |
484 | my ($fh, $buf, $r); |
|
|
485 | my $current = $Coro::current; |
426 | open $fh, "<", $self->{path} |
486 | open $fh, "<", $self->{path} |
427 | or die "$self->{path}: late open failure ($!)"; |
487 | or die "$self->{path}: late open failure ($!)"; |
428 | |
488 | |
429 | if ($l) { |
|
|
430 | sysseek $fh, $l, 0 |
|
|
431 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
432 | } |
|
|
433 | |
|
|
434 | $h -= $l - 1; |
489 | $h -= $l - 1; |
435 | |
490 | |
|
|
491 | if (0) { |
|
|
492 | if ($l) { |
|
|
493 | sysseek $fh, $l, 0; |
|
|
494 | } |
|
|
495 | } |
|
|
496 | |
436 | while ($h > 0) { |
497 | while ($h > 0) { |
|
|
498 | if (0) { |
437 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
499 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
500 | or last; |
|
|
501 | } else { |
|
|
502 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
503 | $buf, 0, sub { |
|
|
504 | $r = $_[0]; |
|
|
505 | $current->ready; |
|
|
506 | }); |
|
|
507 | &Coro::schedule; |
|
|
508 | last unless $r; |
|
|
509 | } |
438 | my $w = $self->{fh}->syswrite($buf) |
510 | my $w = $self->{fh}->syswrite($buf) |
439 | or last; |
511 | or last; |
440 | $::written += $w; |
512 | $::written += $w; |
441 | $self->{written} += $w; |
513 | $self->{written} += $w; |
|
|
514 | $l += $r; |
442 | } |
515 | } |
443 | } |
516 | } |
444 | |
517 | |
445 | close $fh; |
518 | close $fh; |
446 | } |
519 | } |