| 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; |
|
|
6 | |
|
|
7 | use HTTP::Date; |
|
|
8 | use POSIX (); |
| 5 | |
9 | |
| 6 | no utf8; |
10 | no utf8; |
| 7 | use bytes; |
11 | use bytes; |
| 8 | |
12 | |
| 9 | # at least on my machine, this thingy serves files |
13 | # at least on my machine, this thingy serves files |
| … | |
… | |
| 25 | my $level = shift; |
29 | my $level = shift; |
| 26 | my $format = shift; |
30 | my $format = shift; |
| 27 | printf "---: $format\n", @_; |
31 | printf "---: $format\n", @_; |
| 28 | } |
32 | } |
| 29 | |
33 | |
| 30 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
34 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
|
|
35 | our $httpevent = new Coro::Signal; |
|
|
36 | |
|
|
37 | our $wait_factor = 0.95; |
|
|
38 | |
|
|
39 | our @transfers = ( |
|
|
40 | (new transferqueue $MAX_TRANSFERS_SMALL), |
|
|
41 | (new transferqueue $MAX_TRANSFERS_LARGE), |
|
|
42 | ); |
| 31 | |
43 | |
| 32 | my @newcons; |
44 | my @newcons; |
| 33 | my @pool; |
45 | my @pool; |
| 34 | |
46 | |
| 35 | # one "execution thread" |
47 | # one "execution thread" |
| 36 | sub handler { |
48 | sub handler { |
| 37 | while () { |
49 | while () { |
| 38 | my $new = pop @newcons; |
|
|
| 39 | if ($new) { |
50 | if (@newcons) { |
| 40 | eval { |
51 | eval { |
| 41 | conn->new(@$new)->handle; |
52 | conn->new(@{pop @newcons})->handle; |
| 42 | }; |
53 | }; |
| 43 | slog 1, "$@" if $@ && !ref $@; |
54 | slog 1, "$@" if $@ && !ref $@; |
| 44 | $connections->up; |
55 | $connections->up; |
| 45 | } else { |
56 | } else { |
| 46 | last if @pool >= $MAX_POOL; |
57 | last if @pool >= $MAX_POOL; |
| … | |
… | |
| 48 | schedule; |
59 | schedule; |
| 49 | } |
60 | } |
| 50 | } |
61 | } |
| 51 | } |
62 | } |
| 52 | |
63 | |
|
|
64 | sub listen_on { |
|
|
65 | my $listen = $_[0]; |
|
|
66 | |
|
|
67 | push @listen_sockets, $listen; |
|
|
68 | |
|
|
69 | # the "main thread" |
|
|
70 | async { |
|
|
71 | slog 1, "accepting connections"; |
|
|
72 | while () { |
|
|
73 | $connections->down; |
|
|
74 | push @newcons, [$listen->accept]; |
|
|
75 | #slog 3, "accepted @$connections ".scalar(@pool); |
|
|
76 | if (@pool) { |
|
|
77 | (pop @pool)->ready; |
|
|
78 | } else { |
|
|
79 | async \&handler; |
|
|
80 | } |
|
|
81 | |
|
|
82 | } |
|
|
83 | }; |
|
|
84 | } |
|
|
85 | |
| 53 | my $http_port = new Coro::Socket |
86 | my $http_port = new Coro::Socket |
| 54 | LocalAddr => $SERVER_HOST, |
87 | LocalAddr => $SERVER_HOST, |
| 55 | LocalPort => $SERVER_PORT, |
88 | LocalPort => $SERVER_PORT, |
| 56 | ReuseAddr => 1, |
89 | ReuseAddr => 1, |
| 57 | Listen => 50, |
90 | Listen => 50, |
| 58 | or die "unable to start server"; |
91 | or die "unable to start server"; |
| 59 | |
92 | |
| 60 | push @listen_sockets, $http_port; |
93 | listen_on $http_port; |
| 61 | |
94 | |
| 62 | # the "main thread" |
95 | if ($SERVER_PORT2) { |
| 63 | async { |
96 | my $http_port = new Coro::Socket |
| 64 | slog 1, "accepting connections"; |
97 | LocalAddr => $SERVER_HOST, |
| 65 | while () { |
98 | LocalPort => $SERVER_PORT2, |
| 66 | $connections->down; |
99 | ReuseAddr => 1, |
| 67 | push @newcons, [$http_port->accept]; |
100 | Listen => 50, |
| 68 | #slog 3, "accepted @$connections ".scalar(@pool); |
101 | or die "unable to start server"; |
|
|
102 | |
|
|
103 | listen_on $http_port; |
|
|
104 | } |
|
|
105 | |
|
|
106 | our $NOW; |
|
|
107 | our $HTTP_NOW; |
|
|
108 | |
|
|
109 | Event->timer(interval => 1, hard => 1, cb => sub { |
| 69 | $::NOW = time; |
110 | $NOW = time; |
| 70 | if (@pool) { |
111 | $HTTP_NOW = time2str $NOW; |
| 71 | (pop @pool)->ready; |
112 | })->now; |
| 72 | } else { |
|
|
| 73 | async \&handler; |
|
|
| 74 | } |
|
|
| 75 | |
|
|
| 76 | } |
|
|
| 77 | }; |
|
|
| 78 | |
113 | |
| 79 | package conn; |
114 | package conn; |
| 80 | |
115 | |
| 81 | use Socket; |
116 | use Socket; |
| 82 | use HTTP::Date; |
117 | use HTTP::Date; |
| 83 | use Convert::Scalar 'weaken'; |
118 | use Convert::Scalar 'weaken'; |
| 84 | use Linux::AIO; |
119 | use Linux::AIO; |
| 85 | |
120 | |
| 86 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
121 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
| 87 | |
|
|
| 88 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
|
|
| 89 | |
122 | |
| 90 | Event->io(fd => Linux::AIO::poll_fileno, |
123 | Event->io(fd => Linux::AIO::poll_fileno, |
| 91 | poll => 'r', async => 1, |
124 | poll => 'r', async => 1, |
| 92 | cb => \&Linux::AIO::poll_cb); |
125 | cb => \&Linux::AIO::poll_cb); |
| 93 | |
126 | |
| … | |
… | |
| 111 | |
144 | |
| 112 | read_mimetypes; |
145 | read_mimetypes; |
| 113 | |
146 | |
| 114 | sub new { |
147 | sub new { |
| 115 | my $class = shift; |
148 | my $class = shift; |
|
|
149 | my $fh = shift; |
| 116 | my $peername = shift; |
150 | my $peername = shift; |
| 117 | my $fh = shift; |
|
|
| 118 | my $self = bless { fh => $fh }, $class; |
151 | my $self = bless { fh => $fh }, $class; |
| 119 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
152 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
| 120 | or $self->err(500, "unable to decode peername"); |
153 | or $self->err(500, "unable to decode peername"); |
| 121 | |
154 | |
|
|
155 | $self->{remote_addr} = |
| 122 | $self->{remote_addr} = inet_ntoa $iaddr; |
156 | $self->{remote_id} = inet_ntoa $iaddr; |
| 123 | $self->{time} = $::NOW; |
157 | $self->{time} = $::NOW; |
| 124 | |
158 | |
| 125 | # enter ourselves into various lists |
159 | weaken ($Coro::current->{conn} = $self); |
| 126 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
|
|
| 127 | |
160 | |
| 128 | $::conns++; |
161 | $::conns++; |
| 129 | |
162 | |
| 130 | $self; |
163 | $self; |
| 131 | } |
164 | } |
| 132 | |
165 | |
| 133 | sub DESTROY { |
166 | sub DESTROY { |
| 134 | my $self = shift; |
167 | my $self = shift; |
| 135 | |
|
|
| 136 | $::conns--; |
168 | $::conns--; |
| 137 | |
|
|
| 138 | $self->eoconn; |
169 | $self->eoconn; |
| 139 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
| 140 | } |
170 | } |
| 141 | |
171 | |
| 142 | # end of connection |
172 | # end of connection |
| 143 | sub eoconn { |
173 | sub eoconn { |
| 144 | my $self = shift; |
174 | my $self = shift; |
|
|
175 | |
|
|
176 | # clean up hints |
|
|
177 | delete $conn{$self->{remote_id}}{$self*1}; |
| 145 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
178 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
|
|
179 | |
|
|
180 | $httpevent->broadcast; |
| 146 | } |
181 | } |
| 147 | |
182 | |
| 148 | sub slog { |
183 | sub slog { |
| 149 | my $self = shift; |
184 | my $self = shift; |
| 150 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
185 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
| 151 | } |
186 | } |
| 152 | |
187 | |
| 153 | sub response { |
188 | sub response { |
| 154 | my ($self, $code, $msg, $hdr, $content) = @_; |
189 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 155 | my $res = "HTTP/1.1 $code $msg\015\012"; |
190 | my $res = "HTTP/1.1 $code $msg\015\012"; |
| 156 | |
191 | |
| 157 | $self->{h}{connection} ||= $hdr->{Connection}; |
192 | if (exists $hdr->{Connection}) { |
|
|
193 | if ($hdr->{Connection} =~ /close/) { |
|
|
194 | $self->{h}{connection} = "close" |
|
|
195 | } |
|
|
196 | } else { |
|
|
197 | if ($self->{version} < 1.1) { |
|
|
198 | if ($self->{h}{connection} =~ /keep-alive/i) { |
|
|
199 | $hdr->{Connection} = "Keep-Alive"; |
|
|
200 | } else { |
|
|
201 | $self->{h}{connection} = "close" |
|
|
202 | } |
|
|
203 | } |
|
|
204 | } |
| 158 | |
205 | |
| 159 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
206 | $res .= "Date: $HTTP_NOW\015\012"; |
| 160 | |
207 | |
| 161 | while (my ($h, $v) = each %$hdr) { |
208 | while (my ($h, $v) = each %$hdr) { |
| 162 | $res .= "$h: $v\015\012" |
209 | $res .= "$h: $v\015\012" |
| 163 | } |
210 | } |
| 164 | $res .= "\015\012"; |
211 | $res .= "\015\012"; |
| 165 | |
212 | |
| 166 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
213 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
| 167 | |
214 | |
| 168 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
215 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
|
|
216 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
|
|
217 | " \"$self->{h}{referer}\"\n"; |
| 169 | |
218 | |
| 170 | print $accesslog $log if $accesslog; |
219 | print $accesslog $log if $accesslog; |
| 171 | print STDERR $log; |
220 | print STDERR $log; |
| 172 | |
221 | |
| 173 | $self->{written} += |
222 | $self->{written} += |
| … | |
… | |
| 177 | sub err { |
226 | sub err { |
| 178 | my $self = shift; |
227 | my $self = shift; |
| 179 | my ($code, $msg, $hdr, $content) = @_; |
228 | my ($code, $msg, $hdr, $content) = @_; |
| 180 | |
229 | |
| 181 | unless (defined $content) { |
230 | unless (defined $content) { |
| 182 | $content = "$code $msg"; |
231 | $content = "$code $msg\n"; |
| 183 | $hdr->{"Content-Type"} = "text/plain"; |
232 | $hdr->{"Content-Type"} = "text/plain"; |
| 184 | $hdr->{"Content-Length"} = length $content; |
233 | $hdr->{"Content-Length"} = length $content; |
| 185 | } |
234 | } |
| 186 | $hdr->{"Connection"} = "close"; |
235 | $hdr->{"Connection"} = "close"; |
| 187 | |
236 | |
| 188 | $self->response($code, $msg, $hdr, $content); |
237 | $self->response($code, $msg, $hdr, $content); |
| 189 | |
238 | |
| 190 | die bless {}, err::; |
239 | die bless {}, err::; |
| 191 | } |
|
|
| 192 | |
|
|
| 193 | sub err_blocked { |
|
|
| 194 | my $self = shift; |
|
|
| 195 | my $ip = $self->{remote_addr}; |
|
|
| 196 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
|
|
| 197 | |
|
|
| 198 | Coro::Event::do_timer(after => 20*rand); |
|
|
| 199 | |
|
|
| 200 | $self->err(401, "too many connections", |
|
|
| 201 | { |
|
|
| 202 | "Content-Type" => "text/html", |
|
|
| 203 | "Retry-After" => $::BLOCKTIME, |
|
|
| 204 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
| 205 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
|
|
| 206 | "Connection" => "close", |
|
|
| 207 | }, |
|
|
| 208 | <<EOF); |
|
|
| 209 | <html> |
|
|
| 210 | <head> |
|
|
| 211 | <title>Too many connections</title> |
|
|
| 212 | </head> |
|
|
| 213 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
| 214 | |
|
|
| 215 | <p>You have been blocked because you opened too many connections. You |
|
|
| 216 | may retry at</p> |
|
|
| 217 | |
|
|
| 218 | <p><blockquote>$time.</blockquote></p> |
|
|
| 219 | |
|
|
| 220 | <p>Until then, each new access will renew the block. You might want to have a |
|
|
| 221 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p> |
|
|
| 222 | |
|
|
| 223 | </body></html> |
|
|
| 224 | EOF |
|
|
| 225 | } |
240 | } |
| 226 | |
241 | |
| 227 | sub handle { |
242 | sub handle { |
| 228 | my $self = shift; |
243 | my $self = shift; |
| 229 | my $fh = $self->{fh}; |
244 | my $fh = $self->{fh}; |
| … | |
… | |
| 246 | } |
261 | } |
| 247 | |
262 | |
| 248 | $self->{h} = {}; |
263 | $self->{h} = {}; |
| 249 | |
264 | |
| 250 | $fh->timeout($::RES_TIMEOUT); |
265 | $fh->timeout($::RES_TIMEOUT); |
| 251 | my $ip = $self->{remote_addr}; |
|
|
| 252 | |
|
|
| 253 | if ($blocked{$ip}) { |
|
|
| 254 | $self->err_blocked($blocked{$ip}) |
|
|
| 255 | if $blocked{$ip} > $::NOW; |
|
|
| 256 | |
|
|
| 257 | delete $blocked{$ip}; |
|
|
| 258 | } |
|
|
| 259 | |
|
|
| 260 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
| 261 | $self->slog(2, "blocked ip $ip"); |
|
|
| 262 | $self->err_blocked; |
|
|
| 263 | } |
|
|
| 264 | |
266 | |
| 265 | $req =~ /^(?:\015\012)? |
267 | $req =~ /^(?:\015\012)? |
| 266 | (GET|HEAD) \040+ |
268 | (GET|HEAD) \040+ |
| 267 | ([^\040]+) \040+ |
269 | ([^\040]+) \040+ |
| 268 | HTTP\/([0-9]+\.[0-9]+) |
270 | HTTP\/([0-9]+\.[0-9]+) |
| … | |
… | |
| 293 | |
295 | |
| 294 | $self->{h}{$h} = substr $v, 1 |
296 | $self->{h}{$h} = substr $v, 1 |
| 295 | while ($h, $v) = each %hdr; |
297 | while ($h, $v) = each %hdr; |
| 296 | } |
298 | } |
| 297 | |
299 | |
|
|
300 | # remote id should be unique per user |
|
|
301 | my $id = $self->{remote_addr}; |
|
|
302 | |
|
|
303 | if (exists $self->{h}{"client-ip"}) { |
|
|
304 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
305 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
306 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
307 | } |
|
|
308 | |
|
|
309 | $self->{remote_id} = $id; |
|
|
310 | |
|
|
311 | if ($blocked{$id}) { |
|
|
312 | $self->err_blocked($blocked{$id}) |
|
|
313 | if $blocked{$id} > $::NOW; |
|
|
314 | |
|
|
315 | delete $blocked{$id}; |
|
|
316 | } |
|
|
317 | |
|
|
318 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
319 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
320 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
321 | if ($delay < $::NOW) { |
|
|
322 | $self->slog(2, "blocked ip $id"); |
|
|
323 | $self->err_blocked; |
|
|
324 | } else { |
|
|
325 | $httpevent->wait; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | } |
|
|
329 | |
| 298 | # find out server name and port |
330 | # find out server name and port |
| 299 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
331 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
| 300 | $host = $1; |
332 | $host = $1; |
| 301 | } else { |
333 | } else { |
| 302 | $host = $self->{h}{host}; |
334 | $host = $self->{h}{host}; |
| … | |
… | |
| 304 | |
336 | |
| 305 | if (defined $host) { |
337 | if (defined $host) { |
| 306 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
338 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
| 307 | } else { |
339 | } else { |
| 308 | ($self->{server_port}, $host) |
340 | ($self->{server_port}, $host) |
| 309 | = unpack_sockaddr_in $self->{fh}->getsockname |
341 | = unpack_sockaddr_in $self->{fh}->sockname |
| 310 | or $self->err(500, "unable to get socket name"); |
342 | or $self->err(500, "unable to get socket name"); |
| 311 | $host = inet_ntoa $host; |
343 | $host = inet_ntoa $host; |
| 312 | } |
344 | } |
| 313 | |
345 | |
| 314 | $self->{server_name} = $host; |
346 | $self->{server_name} = $host; |
| 315 | |
347 | |
| 316 | # remote id should be unique per user |
348 | # enter ourselves into various lists |
| 317 | $self->{remote_id} = $self->{remote_addr}; |
349 | weaken ($conn{$id}{$self*1} = $self); |
| 318 | |
|
|
| 319 | if (exists $self->{h}{"client-ip"}) { |
|
|
| 320 | $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]"; |
|
|
| 321 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
| 322 | $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
| 323 | } |
|
|
| 324 | |
|
|
| 325 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
350 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
| 326 | |
351 | |
| 327 | eval { |
352 | eval { |
| 328 | $self->map_uri; |
353 | $self->map_uri; |
| 329 | $self->respond; |
354 | $self->respond; |
| 330 | }; |
355 | }; |
| 331 | |
356 | |
| 332 | $self->eoconn; |
357 | $self->eoconn; |
| 333 | |
358 | |
| 334 | die if $@ && !ref $@; |
359 | die if $@ && !ref $@; |
| 335 | |
360 | |
| 336 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
361 | last if $self->{h}{connection} =~ /close/; |
|
|
362 | |
|
|
363 | $httpevent->broadcast; |
| 337 | |
364 | |
| 338 | $fh->timeout($::PER_TIMEOUT); |
365 | $fh->timeout($::PER_TIMEOUT); |
| 339 | } |
366 | } |
| 340 | } |
367 | } |
| 341 | |
368 | |
| … | |
… | |
| 391 | |
418 | |
| 392 | sub respond { |
419 | sub respond { |
| 393 | my $self = shift; |
420 | my $self = shift; |
| 394 | my $path = $self->{path}; |
421 | my $path = $self->{path}; |
| 395 | |
422 | |
| 396 | stat $path |
423 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
| 397 | or $self->err(404, "not found"); |
424 | if ($::internal{$1}) { |
| 398 | |
425 | $::internal{$1}->($self); |
| 399 | $self->{stat} = [stat _]; |
|
|
| 400 | |
|
|
| 401 | # idiotic netscape sends idiotic headers AGAIN |
|
|
| 402 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
| 403 | ? str2time $1 : 0; |
|
|
| 404 | |
|
|
| 405 | if (-d _ && -r _) { |
|
|
| 406 | # directory |
|
|
| 407 | if ($path !~ /\/$/) { |
|
|
| 408 | # create a redirect to get the trailing "/" |
|
|
| 409 | # we don't try to avoid the :80 |
|
|
| 410 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
| 411 | } else { |
426 | } else { |
| 412 | $ims < $self->{stat}[9] |
427 | $self->err(404, "not found"); |
|
|
428 | } |
|
|
429 | } else { |
|
|
430 | |
|
|
431 | stat $path |
| 413 | or $self->err(304, "not modified"); |
432 | or $self->err(404, "not found"); |
| 414 | |
433 | |
| 415 | if (-r "$path/index.html") { |
434 | $self->{stat} = [stat _]; |
| 416 | $self->{path} .= "/index.html"; |
435 | |
| 417 | $self->handle_file; |
436 | # idiotic netscape sends idiotic headers AGAIN |
|
|
437 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
438 | ? str2time $1 : 0; |
|
|
439 | |
|
|
440 | if (-d _ && -r _) { |
|
|
441 | # directory |
|
|
442 | if ($path !~ /\/$/) { |
|
|
443 | # create a redirect to get the trailing "/" |
|
|
444 | # we don't try to avoid the :80 |
|
|
445 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
| 418 | } else { |
446 | } else { |
|
|
447 | $ims < $self->{stat}[9] |
|
|
448 | or $self->err(304, "not modified"); |
|
|
449 | |
|
|
450 | if (-r "$path/index.html") { |
|
|
451 | # replace directory "size" by index.html filesize |
|
|
452 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
|
|
453 | $self->handle_file; |
|
|
454 | } else { |
| 419 | $self->handle_dir; |
455 | $self->handle_dir; |
| 420 | } |
456 | } |
| 421 | } |
457 | } |
| 422 | } elsif (-f _ && -r _) { |
458 | } elsif (-f _ && -r _) { |
| 423 | -x _ and $self->err(403, "forbidden"); |
459 | -x _ and $self->err(403, "forbidden"); |
| 424 | $self->handle_file; |
460 | $self->handle_file; |
| 425 | } else { |
461 | } else { |
| 426 | $self->err(404, "not found"); |
462 | $self->err(404, "not found"); |
|
|
463 | } |
| 427 | } |
464 | } |
| 428 | } |
465 | } |
| 429 | |
466 | |
| 430 | sub handle_dir { |
467 | sub handle_dir { |
| 431 | my $self = shift; |
468 | my $self = shift; |
| … | |
… | |
| 433 | |
470 | |
| 434 | $self->response(200, "ok", |
471 | $self->response(200, "ok", |
| 435 | { |
472 | { |
| 436 | "Content-Type" => "text/html", |
473 | "Content-Type" => "text/html", |
| 437 | "Content-Length" => length $idx, |
474 | "Content-Length" => length $idx, |
|
|
475 | #d# directories change all the time, so X- |
|
|
476 | "X-Last-Modified" => time2str ((stat _)[9]), |
| 438 | }, |
477 | }, |
| 439 | $idx); |
478 | $idx); |
| 440 | } |
479 | } |
| 441 | |
480 | |
| 442 | sub handle_file { |
481 | sub handle_file { |
| 443 | my $self = shift; |
482 | my $self = shift; |
| 444 | my $length = -s _; |
483 | my $length = $self->{stat}[7]; |
|
|
484 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
| 445 | my $hdr = { |
485 | my $hdr = { |
| 446 | "Last-Modified" => time2str ((stat _)[9]), |
486 | "Last-Modified" => time2str ((stat _)[9]), |
| 447 | }; |
487 | }; |
| 448 | |
488 | |
| 449 | my @code = (200, "ok"); |
489 | my @code = (200, "ok"); |
| … | |
… | |
| 461 | } |
501 | } |
| 462 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
502 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
| 463 | } |
503 | } |
| 464 | $hdr->{"Content-Range"} = "bytes */$length"; |
504 | $hdr->{"Content-Range"} = "bytes */$length"; |
| 465 | $hdr->{"Content-Length"} = $length; |
505 | $hdr->{"Content-Length"} = $length; |
| 466 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
|
|
| 467 | $self->err(416, "not satisfiable", $hdr, ""); |
506 | $self->err(416, "not satisfiable", $hdr, ""); |
| 468 | |
507 | |
| 469 | satisfiable: |
508 | satisfiable: |
| 470 | # check for segmented downloads |
509 | # check for segmented downloads |
| 471 | if ($l && $::NO_SEGMENTED) { |
510 | if ($l && $::NO_SEGMENTED) { |
| 472 | my $delay = 60; |
511 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
| 473 | while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
512 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
| 474 | if ($delay <= 0) { |
513 | if ($delay <= $::NOW) { |
| 475 | $self->err(400, "segmented downloads are not allowed", |
514 | $self->err_segmented_download; |
| 476 | { "Content-Type" => "text/html", Connection => "close" }, <<EOF); |
|
|
| 477 | <html> |
|
|
| 478 | <head> |
|
|
| 479 | <title>Segmented downloads are not allowed</title> |
|
|
| 480 | </head> |
|
|
| 481 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
| 482 | |
|
|
| 483 | <p>Segmented downloads are not allowed on this server. Please refer to the |
|
|
| 484 | <a href="http://www.goof.com/pcg/marc/animefaq.html#segmented_downloads">FAQ</a>.</p> |
|
|
| 485 | |
|
|
| 486 | </body></html> |
|
|
| 487 | EOF |
|
|
| 488 | } else { |
515 | } else { |
| 489 | Coro::Event::do_timer(after => 3); $delay -= 3; |
516 | $httpevent->wait; |
| 490 | } |
517 | } |
| 491 | } |
518 | } |
| 492 | } |
519 | } |
| 493 | |
520 | |
| 494 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
521 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
| … | |
… | |
| 505 | $hdr->{"Content-Length"} = $length; |
532 | $hdr->{"Content-Length"} = $length; |
| 506 | |
533 | |
| 507 | $self->response(@code, $hdr, ""); |
534 | $self->response(@code, $hdr, ""); |
| 508 | |
535 | |
| 509 | if ($self->{method} eq "GET") { |
536 | if ($self->{method} eq "GET") { |
|
|
537 | $self->{time} = $::NOW; |
|
|
538 | |
|
|
539 | my $current = $Coro::current; |
|
|
540 | |
| 510 | my ($fh, $buf, $r); |
541 | my ($fh, $buf, $r); |
| 511 | my $current = $Coro::current; |
542 | |
| 512 | open $fh, "<", $self->{path} |
543 | open $fh, "<", $self->{path} |
| 513 | or die "$self->{path}: late open failure ($!)"; |
544 | or die "$self->{path}: late open failure ($!)"; |
| 514 | |
545 | |
| 515 | $h -= $l - 1; |
546 | $h -= $l - 1; |
| 516 | |
547 | |
| 517 | if (0) { |
548 | if (0) { # !AIO |
| 518 | if ($l) { |
549 | if ($l) { |
| 519 | sysseek $fh, $l, 0; |
550 | sysseek $fh, $l, 0; |
| 520 | } |
551 | } |
| 521 | } |
552 | } |
|
|
553 | |
|
|
554 | my $transfer = $queue->start_transfer; |
|
|
555 | my $locked; |
|
|
556 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
| 522 | |
557 | |
| 523 | while ($h > 0) { |
558 | while ($h > 0) { |
|
|
559 | unless ($locked) { |
|
|
560 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
561 | $bufsize = $::BUFSIZE; |
|
|
562 | $self->{time} = $::NOW; |
|
|
563 | } |
|
|
564 | } |
|
|
565 | |
| 524 | if (0) { |
566 | if (0) { # !AIO |
| 525 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
567 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
| 526 | or last; |
568 | or last; |
| 527 | } else { |
569 | } else { |
| 528 | undef $buf; |
570 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
| 529 | $aio_requests->down; |
|
|
| 530 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
| 531 | $buf, 0, sub { |
571 | $buf, 0, sub { |
| 532 | $r = $_[0]; |
572 | $r = $_[0]; |
| 533 | $current->ready; |
573 | Coro::ready($current); |
| 534 | }); |
574 | }); |
| 535 | &Coro::schedule; |
575 | &Coro::schedule; |
| 536 | $aio_requests->up; |
|
|
| 537 | last unless $r; |
576 | last unless $r; |
| 538 | } |
577 | } |
| 539 | my $w = $self->{fh}->syswrite($buf) |
578 | my $w = syswrite $self->{fh}, $buf |
| 540 | or last; |
579 | or last; |
| 541 | $::written += $w; |
580 | $::written += $w; |
| 542 | $self->{written} += $w; |
581 | $self->{written} += $w; |
| 543 | $l += $r; |
582 | $l += $r; |
| 544 | } |
583 | } |
| 545 | } |
|
|
| 546 | |
584 | |
| 547 | close $fh; |
585 | close $fh; |
|
|
586 | } |
| 548 | } |
587 | } |
| 549 | |
588 | |
| 550 | 1; |
589 | 1; |
