ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/cvsroot/Coro/myhttpd/httpd.pl
(Generate patch)

Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.26 by root, Sun Aug 19 22:59:35 2001 UTC vs.
Revision 1.30 by root, Sun Aug 26 14:55:46 2001 UTC

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
15our $accesslog;
16
17if ($ACCESS_LOG) {
18 use IO::Handle;
19 open $accesslog, ">>$ACCESS_LOG"
20 or die "$ACCESS_LOG: $!";
21 $accesslog->autoflush(1);
22}
23
15sub slog { 24sub 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}
74use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
75use Linux::AIO; 84use Linux::AIO;
76 85
77Linux::AIO::min_parallel $::AIO_PARALLEL; 86Linux::AIO::min_parallel $::AIO_PARALLEL;
78 87
88my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4;
89
79Event->io(fd => Linux::AIO::poll_fileno, 90Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', async => 1, 91 poll => 'r', async => 1,
81 cb => \&Linux::AIO::poll_cb); 92 cb => \&Linux::AIO::poll_cb);
82 93
83our %conn; # $conn{ip}{self} => connobj 94our %conn; # $conn{ip}{self} => connobj
134 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 145 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
135} 146}
136 147
137sub slog { 148sub slog {
138 my $self = shift; 149 my $self = shift;
139 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 150 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
140} 151}
141 152
142sub response { 153sub response {
143 my ($self, $code, $msg, $hdr, $content) = @_; 154 my ($self, $code, $msg, $hdr, $content) = @_;
144 my $res = "HTTP/1.1 $code $msg\015\012"; 155 my $res = "HTTP/1.1 $code $msg\015\012";
145 156
146 #$res .= "Connection: close\015\012"; 157 $self->{h}{connection} ||= $hdr->{Connection};
158
147 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 159 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
148 160
149 while (my ($h, $v) = each %$hdr) { 161 while (my ($h, $v) = each %$hdr) {
150 $res .= "$h: $v\015\012" 162 $res .= "$h: $v\015\012"
151 } 163 }
152 $res .= "\015\012"; 164 $res .= "\015\012";
153 165
154 $res .= $content if defined $content and $self->{method} ne "HEAD"; 166 $res .= $content if defined $content and $self->{method} ne "HEAD";
155 167
156 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; 168 my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
169
170 print $accesslog $log if $accesslog;
171 print STDERR $log;
157 172
158 $self->{written} += 173 $self->{written} +=
159 print {$self->{fh}} $res; 174 print {$self->{fh}} $res;
160} 175}
161 176
173 $self->response($code, $msg, $hdr, $content); 188 $self->response($code, $msg, $hdr, $content);
174 189
175 die bless {}, err::; 190 die bless {}, err::;
176} 191}
177 192
178sub err_blocked {
179 my $self = shift;
180 my $ip = $self->{remote_addr};
181 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
182
183 Coro::Event::do_timer(after => 20*rand);
184
185 $self->err(401, "too many connections",
186 {
187 "Content-Type" => "text/html",
188 "Retry-After" => $::BLOCKTIME,
189 "Warning" => "Please do NOT retry, you have been blocked",
190 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
191 },
192 <<EOF);
193<html><p>
194You have been blocked because you opened too many connections. You
195may retry at</p>
196
197 <p><blockquote>$time.</blockquote></p>
198
199<p>Until then, each new access will renew the block. You might want to have a
200look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
201</html>
202EOF
203}
204
205sub handle { 193sub handle {
206 my $self = shift; 194 my $self = shift;
207 my $fh = $self->{fh}; 195 my $fh = $self->{fh};
196
197 my $host;
208 198
209 $fh->timeout($::REQ_TIMEOUT); 199 $fh->timeout($::REQ_TIMEOUT);
210 while() { 200 while() {
211 $self->{reqs}++; 201 $self->{reqs}++;
212 202
269 259
270 $self->{h}{$h} = substr $v, 1 260 $self->{h}{$h} = substr $v, 1
271 while ($h, $v) = each %hdr; 261 while ($h, $v) = each %hdr;
272 } 262 }
273 263
264 # find out server name and port
265 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
266 $host = $1;
267 } else {
268 $host = $self->{h}{host};
269 }
270
271 if (defined $host) {
274 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 272 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
273 } else {
274 ($self->{server_port}, $host)
275 = unpack_sockaddr_in $self->{fh}->getsockname
276 or $self->err(500, "unable to get socket name");
277 $host = inet_ntoa $host;
278 }
279
280 $self->{server_name} = $host;
281
282 # remote id should be unique per user
283 $self->{remote_id} = $self->{remote_addr};
284
285 if (exists $self->{h}{"client-ip"}) {
286 $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]";
287 } elsif (exists $self->{h}{"x-forwarded-for"}) {
288 $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]";
289 }
275 290
276 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 291 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
277 292
278 eval { 293 eval {
279 $self->map_uri; 294 $self->map_uri;
282 297
283 $self->eoconn; 298 $self->eoconn;
284 299
285 die if $@ && !ref $@; 300 die if $@ && !ref $@;
286 301
287 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; 302 last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1;
288 303
289 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
290 $fh->timeout($::PER_TIMEOUT); 304 $fh->timeout($::PER_TIMEOUT);
291 } 305 }
292} 306}
293 307
294# uri => path mapping 308# uri => path mapping
295sub map_uri { 309sub map_uri {
296 my $self = shift; 310 my $self = shift;
297 my $host = $self->{h}{host} || "default"; 311 my $host = $self->{server_name};
298 my $uri = $self->{uri}; 312 my $uri = $self->{uri};
299 313
300 # some massaging, also makes it more secure 314 # some massaging, also makes it more secure
301 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 315 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
302 $uri =~ s%//+%/%g; 316 $uri =~ s%//+%/%g;
312 $self->{path} = "$::DOCROOT/$host$uri"; 326 $self->{path} = "$::DOCROOT/$host$uri";
313 327
314 $self->access_check; 328 $self->access_check;
315} 329}
316 330
317sub server_address {
318 my $self = shift;
319 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
320 or $self->err(500, "unable to get socket name");
321 ((inet_ntoa $iaddr), $port);
322}
323
324sub server_host {
325 my $self = shift;
326 if (exists $self->{h}{host}) {
327 return $self->{h}{host};
328 } else {
329 return (($self->server_address)[0]);
330 }
331}
332
333sub server_hostport {
334 my $self = shift;
335 my ($host, $port);
336 if (exists $self->{h}{host}) {
337 ($host, $port) = ($self->{h}{host}, $self->{server_port});
338 } else {
339 ($host, $port) = $self->server_address;
340 }
341 $port = $port == 80 ? "" : ":$port";
342 $host.$port;
343}
344
345sub _cgi { 331sub _cgi {
346 my $self = shift; 332 my $self = shift;
347 my $path = shift; 333 my $path = shift;
348 my $fh; 334 my $fh;
349 335
350 # no two-way xxx supported 336 # no two-way xxx supported
351 if (0 == fork) { 337 if (0 == fork) {
352 open STDOUT, ">&".fileno($self->{fh}); 338 open STDOUT, ">&".fileno($self->{fh});
353 if (chdir $::DOCROOT) { 339 if (chdir $::DOCROOT) {
354 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 340 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
355 $ENV{HTTP_HOST} = $self->server_host; 341 $ENV{HTTP_HOST} = $self->{server_name};
356 $ENV{HTTP_PORT} = $self->{server_host}; 342 $ENV{HTTP_PORT} = $self->{server_port};
357 $ENV{SCRIPT_NAME} = $self->{name}; 343 $ENV{SCRIPT_NAME} = $self->{name};
358 exec $path; 344 exec $path;
359 } 345 }
360 Coro::State::_exit(0); 346 Coro::State::_exit(0);
361 } else { 347 } else {
348 die;
362 } 349 }
350}
351
352sub server_hostport {
353 $_[0]{server_port} == 80
354 ? $_[0]{server_name}
355 : "$_[0]{server_name}:$_[0]{server_port}";
363} 356}
364 357
365sub respond { 358sub respond {
366 my $self = shift; 359 my $self = shift;
367 my $path = $self->{path}; 360 my $path = $self->{path};
377 370
378 if (-d _ && -r _) { 371 if (-d _ && -r _) {
379 # directory 372 # directory
380 if ($path !~ /\/$/) { 373 if ($path !~ /\/$/) {
381 # create a redirect to get the trailing "/" 374 # create a redirect to get the trailing "/"
382 my $host = $self->server_hostport; 375 # we don't try to avoid the :80
383 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 376 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
384 } else { 377 } else {
385 $ims < $self->{stat}[9] 378 $ims < $self->{stat}[9]
386 or $self->err(304, "not modified"); 379 or $self->err(304, "not modified");
387 380
388 if (-r "$path/index.html") { 381 if (-r "$path/index.html") {
440 $self->err(416, "not satisfiable", $hdr, ""); 433 $self->err(416, "not satisfiable", $hdr, "");
441 434
442satisfiable: 435satisfiable:
443 # check for segmented downloads 436 # check for segmented downloads
444 if ($l && $::NO_SEGMENTED) { 437 if ($l && $::NO_SEGMENTED) {
438 my $delay = 180;
445 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 439 while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
446 $self->err(400, "segmented downloads are not allowed"); 440 if ($delay <= 0) {
441 $self->err_segmented_download;
442 } else {
443 Coro::Event::do_timer(after => 3); $delay -= 3;
444 }
447 } 445 }
448 } 446 }
449 447
450 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 448 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
451 @code = (206, "partial content"); 449 @code = (206, "partial content");
479 while ($h > 0) { 477 while ($h > 0) {
480 if (0) { 478 if (0) {
481 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h 479 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
482 or last; 480 or last;
483 } else { 481 } else {
482 undef $buf;
483 $aio_requests->down;
484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
485 $buf, 0, sub { 485 $buf, 0, sub {
486 $r = $_[0]; 486 $r = $_[0];
487 $current->ready; 487 $current->ready;
488 }); 488 });
489 &Coro::schedule; 489 &Coro::schedule;
490 $aio_requests->up;
490 last unless $r; 491 last unless $r;
491 } 492 }
492 my $w = $self->{fh}->syswrite($buf) 493 my $w = $self->{fh}->syswrite($buf)
493 or last; 494 or last;
494 $::written += $w; 495 $::written += $w;

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines