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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.18 by root, Wed Aug 15 03:13:36 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}{fh} => connobj 94our %conn; # $conn{ip}{self} => connobj
95our %uri; # $uri{ip}{uri}{self}
84our %blocked; 96our %blocked;
85our %mimetype; 97our %mimetype;
86 98
87sub read_mimetypes { 99sub read_mimetypes {
88 local *M; 100 local *M;
… …
121sub DESTROY { 133sub DESTROY {
122 my $self = shift; 134 my $self = shift;
123 135
124 $::conns--; 136 $::conns--;
125 137
138 $self->eoconn;
126 delete $conn{$self->{remote_addr}}{$self*1}; 139 delete $conn{$self->{remote_addr}}{$self*1};
140}
141
142# end of connection
143sub eoconn {
144 my $self = shift;
127 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 145 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
128} 146}
129 147
130sub slog { 148sub slog {
131 my $self = shift; 149 my $self = shift;
132 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 150 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
133} 151}
134 152
135sub response { 153sub response {
136 my ($self, $code, $msg, $hdr, $content) = @_; 154 my ($self, $code, $msg, $hdr, $content) = @_;
137 my $res = "HTTP/1.1 $code $msg\015\012"; 155 my $res = "HTTP/1.1 $code $msg\015\012";
138 156
139 #$res .= "Connection: close\015\012"; 157 $self->{h}{connection} ||= $hdr->{Connection};
158
140 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 159 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
141 160
142 while (my ($h, $v) = each %$hdr) { 161 while (my ($h, $v) = each %$hdr) {
143 $res .= "$h: $v\015\012" 162 $res .= "$h: $v\015\012"
144 } 163 }
145 $res .= "\015\012"; 164 $res .= "\015\012";
146 165
147 $res .= $content if defined $content and $self->{method} ne "HEAD"; 166 $res .= $content if defined $content and $self->{method} ne "HEAD";
148 167
149 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 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;
150 172
151 $self->{written} += 173 $self->{written} +=
152 print {$self->{fh}} $res; 174 print {$self->{fh}} $res;
153} 175}
154 176
… …
166 $self->response($code, $msg, $hdr, $content); 188 $self->response($code, $msg, $hdr, $content);
167 189
168 die bless {}, err::; 190 die bless {}, err::;
169} 191}
170 192
171sub err_blocked {
172 my $self = shift;
173 my $ip = $self->{remote_addr};
174 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
175
176 Coro::Event::do_timer(after => 15);
177
178 $self->err(401, "too many connections",
179 {
180 "Content-Type" => "text/html",
181 "Retry-After" => $::BLOCKTIME
182 },
183 <<EOF);
184<html><p>
185You have been blocked because you opened too many connections. You
186may retry at</p>
187
188 <p><blockquote>$time.</blockquote></p>
189
190<p>Until then, each new access will renew the block. You might want to have a
191look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
192</html>
193EOF
194}
195
196sub handle { 193sub handle {
197 my $self = shift; 194 my $self = shift;
198 my $fh = $self->{fh}; 195 my $fh = $self->{fh};
196
197 my $host;
199 198
200 $fh->timeout($::REQ_TIMEOUT); 199 $fh->timeout($::REQ_TIMEOUT);
201 while() { 200 while() {
202 $self->{reqs}++; 201 $self->{reqs}++;
203 202
… …
238 237
239 $self->{method} = $1; 238 $self->{method} = $1;
240 $self->{uri} = $2; 239 $self->{uri} = $2;
241 $self->{version} = $3; 240 $self->{version} = $3;
242 241
243 $3 eq "1.0" or $3 eq "1.1" 242 $3 =~ /^1\./
244 or $self->err(506, "http protocol version $3 not supported"); 243 or $self->err(506, "http protocol version $3 not supported");
245 244
246 # parse headers 245 # parse headers
247 { 246 {
248 my (%hdr, $h, $v); 247 my (%hdr, $h, $v);
… …
260 259
261 $self->{h}{$h} = substr $v, 1 260 $self->{h}{$h} = substr $v, 1
262 while ($h, $v) = each %hdr; 261 while ($h, $v) = each %hdr;
263 } 262 }
264 263
264 # find out server name and port
265 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
266 $host = $1;
267 } else {
268 $host = $self->{h}{host};
269 }
270
271 if (defined $host) {
265 $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 }
266 290
267 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 291 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
268 292
293 eval {
269 $self->map_uri; 294 $self->map_uri;
270 $self->respond; 295 $self->respond;
296 };
271 297
298 $self->eoconn;
299
300 die if $@ && !ref $@;
301
272 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; 302 last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1;
273 303
274 $self->slog(9, "persistant connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
275 $fh->timeout($::PER_TIMEOUT); 304 $fh->timeout($::PER_TIMEOUT);
276 } 305 }
277} 306}
278 307
279# uri => path mapping 308# uri => path mapping
280sub map_uri { 309sub map_uri {
281 my $self = shift; 310 my $self = shift;
282 my $host = $self->{h}{host} || "default"; 311 my $host = $self->{server_name};
283 my $uri = $self->{uri}; 312 my $uri = $self->{uri};
284 313
285 # some massaging, also makes it more secure 314 # some massaging, also makes it more secure
286 $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;
287 $uri =~ s%//+%/%g; 316 $uri =~ s%//+%/%g;
… …
297 $self->{path} = "$::DOCROOT/$host$uri"; 326 $self->{path} = "$::DOCROOT/$host$uri";
298 327
299 $self->access_check; 328 $self->access_check;
300} 329}
301 330
302sub server_address {
303 my $self = shift;
304 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
305 or $self->err(500, "unable to get socket name");
306 ((inet_ntoa $iaddr), $port);
307}
308
309sub server_host {
310 my $self = shift;
311 if (exists $self->{h}{host}) {
312 return $self->{h}{host};
313 } else {
314 return (($self->server_address)[0]);
315 }
316}
317
318sub server_hostport {
319 my $self = shift;
320 my ($host, $port);
321 if (exists $self->{h}{host}) {
322 ($host, $port) = ($self->{h}{host}, $self->{server_port});
323 } else {
324 ($host, $port) = $self->server_address;
325 }
326 $port = $port == 80 ? "" : ":$port";
327 $host.$port;
328}
329
330sub _cgi { 331sub _cgi {
331 my $self = shift; 332 my $self = shift;
332 my $path = shift; 333 my $path = shift;
333 my $fh; 334 my $fh;
334 335
335 # no two-way xxx supported 336 # no two-way xxx supported
336 if (0 == fork) { 337 if (0 == fork) {
337 open STDOUT, ">&".fileno($self->{fh}); 338 open STDOUT, ">&".fileno($self->{fh});
338 if (chdir $::DOCROOT) { 339 if (chdir $::DOCROOT) {
339 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 340 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
340 $ENV{HTTP_HOST} = $self->server_host; 341 $ENV{HTTP_HOST} = $self->{server_name};
341 $ENV{HTTP_PORT} = $self->{server_host}; 342 $ENV{HTTP_PORT} = $self->{server_port};
342 $ENV{SCRIPT_NAME} = $self->{name}; 343 $ENV{SCRIPT_NAME} = $self->{name};
343 exec $path; 344 exec $path;
344 } 345 }
345 Coro::State::_exit(0); 346 Coro::State::_exit(0);
346 } else { 347 } else {
348 die;
347 } 349 }
350}
351
352sub server_hostport {
353 $_[0]{server_port} == 80
354 ? $_[0]{server_name}
355 : "$_[0]{server_name}:$_[0]{server_port}";
348} 356}
349 357
350sub respond { 358sub respond {
351 my $self = shift; 359 my $self = shift;
352 my $path = $self->{path}; 360 my $path = $self->{path};
… …
362 370
363 if (-d _ && -r _) { 371 if (-d _ && -r _) {
364 # directory 372 # directory
365 if ($path !~ /\/$/) { 373 if ($path !~ /\/$/) {
366 # create a redirect to get the trailing "/" 374 # create a redirect to get the trailing "/"
367 my $host = $self->server_hostport; 375 # we don't try to avoid the :80
368 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 376 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
369 } else { 377 } else {
370 $ims < $self->{stat}[9] 378 $ims < $self->{stat}[9]
371 or $self->err(304, "not modified"); 379 or $self->err(304, "not modified");
372 380
373 if ($self->{method} eq "GET") {
374 if (-r "$path/index.html") { 381 if (-r "$path/index.html") {
375 $self->{path} .= "/index.html"; 382 $self->{path} .= "/index.html";
376 $self->handle_file; 383 $self->handle_file;
377 } else { 384 } else {
378 $self->handle_dir; 385 $self->handle_dir;
379 }
380 } 386 }
381 } 387 }
382 } elsif (-f _ && -r _) { 388 } elsif (-f _ && -r _) {
383 -x _ and $self->err(403, "forbidden"); 389 -x _ and $self->err(403, "forbidden");
384 $self->handle_file; 390 $self->handle_file;
… …
417 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 423 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
418 } else { 424 } else {
419 ($l, $h) = (0, $length - 1); 425 ($l, $h) = (0, $length - 1);
420 goto ignore; 426 goto ignore;
421 } 427 }
422 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 428 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
423 } 429 }
424 $hdr->{"Content-Range"} = "bytes */$length"; 430 $hdr->{"Content-Range"} = "bytes */$length";
431 $hdr->{"Content-Length"} = $length;
432 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
425 $self->err(416, "not satisfiable", $hdr); 433 $self->err(416, "not satisfiable", $hdr, "");
426 434
427satisfiable: 435satisfiable:
428 # check for segmented downloads 436 # check for segmented downloads
429 if ($l && $::NO_SEGMENTED) { 437 if ($l && $::NO_SEGMENTED) {
438 my $delay = 180;
430 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 439 while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
440 if ($delay <= 0) {
441 $self->err_segmented_download;
442 } else {
431 Coro::Event::do_timer(after => 15); 443 Coro::Event::do_timer(after => 3); $delay -= 3;
432 444 }
433 $self->err(400, "segmented downloads are not allowed");
434 } 445 }
435 } 446 }
436 447
437 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 448 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
438 @code = (206, "partial content"); 449 @code = (206, "partial content");
… …
455 open $fh, "<", $self->{path} 466 open $fh, "<", $self->{path}
456 or die "$self->{path}: late open failure ($!)"; 467 or die "$self->{path}: late open failure ($!)";
457 468
458 $h -= $l - 1; 469 $h -= $l - 1;
459 470
471 if (0) {
472 if ($l) {
473 sysseek $fh, $l, 0;
474 }
475 }
476
460 while ($h > 0) { 477 while ($h > 0) {
478 if (0) {
479 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
480 or last;
481 } else {
482 undef $buf;
483 $aio_requests->down;
461 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
462 $buf, 0, sub { 485 $buf, 0, sub {
463 $r = $_[0]; 486 $r = $_[0];
464 $current->ready; 487 $current->ready;
465 }); 488 });
466 &Coro::schedule; 489 &Coro::schedule;
490 $aio_requests->up;
467 last unless $r; 491 last unless $r;
492 }
468 my $w = $self->{fh}->syswrite($buf) 493 my $w = $self->{fh}->syswrite($buf)
469 or last; 494 or last;
470 $::written += $w; 495 $::written += $w;
471 $self->{written} += $w; 496 $self->{written} += $w;
472 $l += $r; 497 $l += $r;

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