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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.26 by root, Sun Aug 19 22:59:35 2001 UTC vs.
Revision 1.29 by root, Sat Aug 25 15:14:03 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
186 { 201 {
187 "Content-Type" => "text/html", 202 "Content-Type" => "text/html",
188 "Retry-After" => $::BLOCKTIME, 203 "Retry-After" => $::BLOCKTIME,
189 "Warning" => "Please do NOT retry, you have been blocked", 204 "Warning" => "Please do NOT retry, you have been blocked",
190 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", 205 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
206 "Connection" => "close",
191 }, 207 },
192 <<EOF); 208 <<EOF);
193<html><p> 209<html>
210<head>
211<title>Too many connections</title>
212</head>
213<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
214
194You have been blocked because you opened too many connections. You 215<p>You have been blocked because you opened too many connections. You
195may retry at</p> 216may retry at</p>
196 217
197 <p><blockquote>$time.</blockquote></p> 218 <p><blockquote>$time.</blockquote></p>
198 219
199<p>Until then, each new access will renew the block. You might want to have a 220<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> 221look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p>
201</html> 222
223</body></html>
202EOF 224EOF
203} 225}
204 226
205sub handle { 227sub handle {
206 my $self = shift; 228 my $self = shift;
207 my $fh = $self->{fh}; 229 my $fh = $self->{fh};
230
231 my $host;
208 232
209 $fh->timeout($::REQ_TIMEOUT); 233 $fh->timeout($::REQ_TIMEOUT);
210 while() { 234 while() {
211 $self->{reqs}++; 235 $self->{reqs}++;
212 236
269 293
270 $self->{h}{$h} = substr $v, 1 294 $self->{h}{$h} = substr $v, 1
271 while ($h, $v) = each %hdr; 295 while ($h, $v) = each %hdr;
272 } 296 }
273 297
298 # find out server name and port
299 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
300 $host = $1;
301 } else {
302 $host = $self->{h}{host};
303 }
304
305 if (defined $host) {
274 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 306 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
307 } else {
308 ($self->{server_port}, $host)
309 = unpack_sockaddr_in $self->{fh}->getsockname
310 or $self->err(500, "unable to get socket name");
311 $host = inet_ntoa $host;
312 }
313
314 $self->{server_name} = $host;
315
316 # remote id should be unique per user
317 $self->{remote_id} = $self->{remote_addr};
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 }
275 324
276 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 325 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
277 326
278 eval { 327 eval {
279 $self->map_uri; 328 $self->map_uri;
282 331
283 $self->eoconn; 332 $self->eoconn;
284 333
285 die if $@ && !ref $@; 334 die if $@ && !ref $@;
286 335
287 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; 336 last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1;
288 337
289 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
290 $fh->timeout($::PER_TIMEOUT); 338 $fh->timeout($::PER_TIMEOUT);
291 } 339 }
292} 340}
293 341
294# uri => path mapping 342# uri => path mapping
295sub map_uri { 343sub map_uri {
296 my $self = shift; 344 my $self = shift;
297 my $host = $self->{h}{host} || "default"; 345 my $host = $self->{server_name};
298 my $uri = $self->{uri}; 346 my $uri = $self->{uri};
299 347
300 # some massaging, also makes it more secure 348 # some massaging, also makes it more secure
301 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 349 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
302 $uri =~ s%//+%/%g; 350 $uri =~ s%//+%/%g;
312 $self->{path} = "$::DOCROOT/$host$uri"; 360 $self->{path} = "$::DOCROOT/$host$uri";
313 361
314 $self->access_check; 362 $self->access_check;
315} 363}
316 364
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 { 365sub _cgi {
346 my $self = shift; 366 my $self = shift;
347 my $path = shift; 367 my $path = shift;
348 my $fh; 368 my $fh;
349 369
350 # no two-way xxx supported 370 # no two-way xxx supported
351 if (0 == fork) { 371 if (0 == fork) {
352 open STDOUT, ">&".fileno($self->{fh}); 372 open STDOUT, ">&".fileno($self->{fh});
353 if (chdir $::DOCROOT) { 373 if (chdir $::DOCROOT) {
354 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 374 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
355 $ENV{HTTP_HOST} = $self->server_host; 375 $ENV{HTTP_HOST} = $self->{server_name};
356 $ENV{HTTP_PORT} = $self->{server_host}; 376 $ENV{HTTP_PORT} = $self->{server_port};
357 $ENV{SCRIPT_NAME} = $self->{name}; 377 $ENV{SCRIPT_NAME} = $self->{name};
358 exec $path; 378 exec $path;
359 } 379 }
360 Coro::State::_exit(0); 380 Coro::State::_exit(0);
361 } else { 381 } else {
382 die;
362 } 383 }
384}
385
386sub server_hostport {
387 $_[0]{server_port} == 80
388 ? $_[0]{server_name}
389 : "$_[0]{server_name}:$_[0]{server_port}";
363} 390}
364 391
365sub respond { 392sub respond {
366 my $self = shift; 393 my $self = shift;
367 my $path = $self->{path}; 394 my $path = $self->{path};
377 404
378 if (-d _ && -r _) { 405 if (-d _ && -r _) {
379 # directory 406 # directory
380 if ($path !~ /\/$/) { 407 if ($path !~ /\/$/) {
381 # create a redirect to get the trailing "/" 408 # create a redirect to get the trailing "/"
382 my $host = $self->server_hostport; 409 # we don't try to avoid the :80
383 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 410 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
384 } else { 411 } else {
385 $ims < $self->{stat}[9] 412 $ims < $self->{stat}[9]
386 or $self->err(304, "not modified"); 413 or $self->err(304, "not modified");
387 414
388 if (-r "$path/index.html") { 415 if (-r "$path/index.html") {
440 $self->err(416, "not satisfiable", $hdr, ""); 467 $self->err(416, "not satisfiable", $hdr, "");
441 468
442satisfiable: 469satisfiable:
443 # check for segmented downloads 470 # check for segmented downloads
444 if ($l && $::NO_SEGMENTED) { 471 if ($l && $::NO_SEGMENTED) {
472 my $delay = 60;
445 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 473 while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
474 if ($delay <= 0) {
446 $self->err(400, "segmented downloads are not allowed"); 475 $self->err(400, "segmented downloads are not allowed",
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>
487EOF
488 } else {
489 Coro::Event::do_timer(after => 3); $delay -= 3;
490 }
447 } 491 }
448 } 492 }
449 493
450 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 494 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
451 @code = (206, "partial content"); 495 @code = (206, "partial content");
479 while ($h > 0) { 523 while ($h > 0) {
480 if (0) { 524 if (0) {
481 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h 525 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
482 or last; 526 or last;
483 } else { 527 } else {
528 undef $buf;
529 $aio_requests->down;
484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 530 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
485 $buf, 0, sub { 531 $buf, 0, sub {
486 $r = $_[0]; 532 $r = $_[0];
487 $current->ready; 533 $current->ready;
488 }); 534 });
489 &Coro::schedule; 535 &Coro::schedule;
536 $aio_requests->up;
490 last unless $r; 537 last unless $r;
491 } 538 }
492 my $w = $self->{fh}->syswrite($buf) 539 my $w = $self->{fh}->syswrite($buf)
493 or last; 540 or last;
494 $::written += $w; 541 $::written += $w;

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