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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.71 by root, Mon Jul 29 21:41:54 2002 UTC vs.
Revision 1.87 by root, Wed Nov 19 11:41:06 2008 UTC

1use Coro; 1use Coro;
2use Coro::Semaphore; 2use Coro::Semaphore;
3use Coro::Event; 3use Coro::EV;
4use Coro::Socket; 4use Coro::Socket;
5use Coro::Signal; 5use Coro::Signal;
6use Coro::AIO ();
6 7
7use HTTP::Date; 8use HTTP::Date;
8use POSIX (); 9use POSIX ();
9 10
10use Compress::Zlib (); 11use Compress::Zlib ();
… …
22our $errorlog; 23our $errorlog;
23 24
24our $NOW; 25our $NOW;
25our $HTTP_NOW; 26our $HTTP_NOW;
26 27
27Event->timer(interval => 1, hard => 1, cb => sub { 28our $ERROR_LOG;
29our $ACCESS_LOG;
30
31our $update_time = EV::periodic 0, 1, undef, sub {
28 $NOW = time; 32 $NOW = time;
29 $HTTP_NOW = time2str $NOW; 33 $HTTP_NOW = time2str $NOW;
30})->now; 34};
35$update_time->invoke;
31 36
32if ($ERROR_LOG) { 37if ($ERROR_LOG) {
33 use IO::Handle; 38 use IO::Handle;
34 open $errorlog, ">>$ERROR_LOG" 39 open $errorlog, ">>$ERROR_LOG"
35 or die "$ERROR_LOG: $!"; 40 or die "$ERROR_LOG: $!";
… …
55our $httpevent = new Coro::Signal; 60our $httpevent = new Coro::Signal;
56 61
57our $queue_file = new transferqueue $MAX_TRANSFERS; 62our $queue_file = new transferqueue $MAX_TRANSFERS;
58our $queue_index = new transferqueue 10; 63our $queue_index = new transferqueue 10;
59 64
60our $tbf_top = new tbf rate => 100000; 65our $tbf_top = new tbf rate => $TBF_RATE || 100000;
61 66
62my $unused_bytes = 0; 67my $unused_bytes = 0;
63my $unused_last = time; 68my $unused_last = time;
64 69
65sub unused_bandwidth { 70sub unused_bandwidth {
… …
78# one "execution thread" 83# one "execution thread"
79sub handler { 84sub handler {
80 while () { 85 while () {
81 if (@newcons) { 86 if (@newcons) {
82 eval { 87 eval {
83 conn->new(@{pop @newcons})->handle; 88 conn->new (@{pop @newcons})->handle;
84 }; 89 };
85 slog 1, "$@" if $@ && !ref $@; 90 slog 1, "$@" if $@ && !ref $@;
86 91
87 $httpevent->broadcast; # only for testing, but doesn't matter much 92 $httpevent->broadcast; # only for testing, but doesn't matter much
88 93
… …
110 if (@pool) { 115 if (@pool) {
111 (pop @pool)->ready; 116 (pop @pool)->ready;
112 } else { 117 } else {
113 async \&handler; 118 async \&handler;
114 } 119 }
115
116 } 120 }
117 }; 121 };
118} 122}
119 123
120my $http_port = new Coro::Socket 124my $http_port = new Coro::Socket
121 LocalAddr => $SERVER_HOST, 125 LocalAddr => $SERVER_HOST,
122 LocalPort => $SERVER_PORT, 126 LocalPort => $SERVER_PORT,
123 ReuseAddr => 1, 127 ReuseAddr => 1,
124 Listen => 50, 128 Listen => 50,
125 or die "unable to start server"; 129 or die "unable to start server";
126 130
127listen_on $http_port; 131listen_on $http_port;
128 132
129if ($SERVER_PORT2) { 133if ($SERVER_PORT2) {
130 my $http_port = new Coro::Socket 134 my $http_port = new Coro::Socket
131 LocalAddr => $SERVER_HOST, 135 LocalAddr => $SERVER_HOST,
132 LocalPort => $SERVER_PORT2, 136 LocalPort => $SERVER_PORT2,
133 ReuseAddr => 1, 137 ReuseAddr => 1,
134 Listen => 50, 138 Listen => 50,
135 or die "unable to start server"; 139 or die "unable to start server";
136 140
137 listen_on $http_port; 141 listen_on $http_port;
138} 142}
139 143
140package conn; 144package conn;
145
146use strict;
147use bytes;
141 148
142use Socket; 149use Socket;
143use HTTP::Date; 150use HTTP::Date;
144use Convert::Scalar 'weaken'; 151use Convert::Scalar 'weaken';
145use Linux::AIO; 152use IO::AIO;
146 153
147Linux::AIO::min_parallel $::AIO_PARALLEL; 154IO::AIO::min_parallel $::AIO_PARALLEL;
148 155
149Event->io(fd => Linux::AIO::poll_fileno, 156our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
150 poll => 'r', async => 1,
151 cb => \&Linux::AIO::poll_cb);
152 157
153our %conn; # $conn{ip}{self} => connobj 158our %conn; # $conn{ip}{self} => connobj
154our %uri; # $uri{ip}{uri}{self} 159our %uri; # $uri{ip}{uri}{self}
155our %blocked; 160our %blocked;
156our %mimetype; 161our %mimetype;
157 162
158sub read_mimetypes { 163sub read_mimetypes {
159 local *M;
160 if (open M, "<mime_types") { 164 if (open my $fh, "<mime_types") {
161 while (<M>) { 165 while (<$fh>) {
162 if (/^([^#]\S+)\t+(\S+)$/) { 166 if (/^([^#]\S+)\t+(\S+)$/) {
163 $mimetype{lc $1} = $2; 167 $mimetype{lc $1} = $2;
164 } 168 }
165 } 169 }
166 } else { 170 } else {
… …
174 my $class = shift; 178 my $class = shift;
175 my $fh = shift; 179 my $fh = shift;
176 my $peername = shift; 180 my $peername = shift;
177 my $self = bless { fh => $fh }, $class; 181 my $self = bless { fh => $fh }, $class;
178 my (undef, $iaddr) = unpack_sockaddr_in $peername 182 my (undef, $iaddr) = unpack_sockaddr_in $peername
179 or $self->err(500, "unable to decode peername"); 183 or $self->err (500, "unable to decode peername");
180 184
181 $self->{remote_addr} = 185 $self->{remote_addr} =
182 $self->{remote_id} = inet_ntoa $iaddr; 186 $self->{remote_id} = inet_ntoa $iaddr;
183 187
184 $self->{time} = $::NOW; 188 $self->{time} = $::NOW;
185 189
186 weaken ($Coro::current->{conn} = $self); 190 weaken ($Coro::current->{conn} = $self);
187 191
188 $::conns++; 192 ++$::conns;
189 $::maxconns = $::conns if $::conns > $::maxconns; 193 $::maxconns = $::conns if $::conns > $::maxconns;
190 194
191 $self; 195 $self
192} 196}
193 197
194sub DESTROY { 198sub DESTROY {
195 #my $self = shift; 199 my $self = shift;
200
196 $::conns--; 201 --$::conns;
197} 202}
203
204sub prune_cache {
205 my $hash = $_[0];
206
207 for (keys %$hash) {
208 if (ref $hash->{$_} eq HASH::) {
209 prune_cache($hash->{$_});
210 unless (scalar keys %{$hash->{$_}}) {
211 delete $hash->{$_};
212 }
213 }
214 }
215}
216
217sub prune_caches {
218 prune_cache \%conn;
219 prune_cache \%uri;
220
221 for (keys %blocked) {
222 delete $blocked{$_} unless $blocked{$_}[0] > $::NOW;
223 }
224}
225
226our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches;
198 227
199sub slog { 228sub slog {
200 my $self = shift; 229 my $self = shift;
201 main::slog($_[0], "$self->{remote_id}> $_[1]"); 230 main::slog($_[0], "$self->{remote_id}> $_[1]");
202} 231}
… …
263 $hdr->{"Content-Type"} = "text/plain"; 292 $hdr->{"Content-Type"} = "text/plain";
264 $hdr->{"Content-Length"} = length $content; 293 $hdr->{"Content-Length"} = length $content;
265 } 294 }
266 $hdr->{"Connection"} = "close"; 295 $hdr->{"Connection"} = "close";
267 296
268 $self->response($code, $msg, $hdr, $content); 297 $self->response ($code, $msg, $hdr, $content);
269 298
270 die bless {}, err::; 299 die bless {}, err::
271} 300}
272 301
273sub handle { 302sub handle {
274 my $self = shift; 303 my $self = shift;
275 my $fh = $self->{fh}; 304 my $fh = $self->{fh};
276 305
277 my $host; 306 my $host;
278 307
279 $fh->timeout($::REQ_TIMEOUT); 308 $fh->timeout($::REQ_TIMEOUT);
280 while() { 309 while () {
281 $self->{reqs}++; 310 $self->{reqs}++;
282 311
283 # read request and parse first line 312 # read request and parse first line
284 my $req = $fh->readline("\015\012\015\012"); 313 my $req = $fh->readline("\015\012\015\012");
285 314
… …
394# uri => path mapping 423# uri => path mapping
395sub map_uri { 424sub map_uri {
396 my $self = shift; 425 my $self = shift;
397 my $host = $self->{server_name}; 426 my $host = $self->{server_name};
398 my $uri = $self->{uri}; 427 my $uri = $self->{uri};
428
429 $host =~ /[\/\\]/
430 and $self->err(400, "bad request");
399 431
400 # some massaging, also makes it more secure 432 # some massaging, also makes it more secure
401 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 433 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
402 $uri =~ s%//+%/%g; 434 $uri =~ s%//+%/%g;
403 $uri =~ s%/\.(?=/|$)%%g; 435 $uri =~ s%/\.(?=/|$)%%g;
… …
447 479
448 if ($self->{name} =~ s%^/internal/([^/]+)%%) { 480 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
449 if ($::internal{$1}) { 481 if ($::internal{$1}) {
450 $::internal{$1}->($self); 482 $::internal{$1}->($self);
451 } else { 483 } else {
452 $self->err(404, "not found"); 484 $self->err (404, "not found");
453 } 485 }
454 } else { 486 } else {
455 487
456 stat $path 488 stat $path
457 or $self->err(404, "not found"); 489 or $self->err (404, "not found");
458 490
459 $self->{stat} = [stat _]; 491 $self->{stat} = [stat _];
460 492
461 # idiotic netscape sends idiotic headers AGAIN 493 # idiotic netscape sends idiotic headers AGAIN
462 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 494 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
… …
465 if (-d _ && -r _) { 497 if (-d _ && -r _) {
466 # directory 498 # directory
467 if ($path !~ /\/$/) { 499 if ($path !~ /\/$/) {
468 # create a redirect to get the trailing "/" 500 # create a redirect to get the trailing "/"
469 # we don't try to avoid the :80 501 # we don't try to avoid the :80
470 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); 502 $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
471 } else { 503 } else {
472 $ims < $self->{stat}[9] 504 $ims < $self->{stat}[9]
473 or $self->err(304, "not modified"); 505 or $self->err (304, "not modified");
474 506
475 if (-r "$path/index.html") { 507 if (-r "$path/index.html") {
476 # replace directory "size" by index.html filesize 508 # replace directory "size" by index.html filesize
477 $self->{stat} = [stat ($self->{path} .= "/index.html")]; 509 $self->{stat} = [stat ($self->{path} .= "/index.html")];
478 $self->handle_file($queue_index, $tbf_top); 510 $self->handle_file ($queue_index, $tbf_top);
479 } else { 511 } else {
480 $self->handle_dir; 512 $self->handle_dir;
481 } 513 }
482 } 514 }
483 } elsif (-f _ && -r _) { 515 } elsif (-f _ && -r _) {
484 -x _ and $self->err(403, "forbidden"); 516 -x _ and $self->err (403, "forbidden");
485 517
486 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 518 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
487 my $timeout = $::NOW + 10; 519 my $timeout = $::NOW + 10;
488 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 520 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
489 if ($timeout < $::NOW) { 521 if ($timeout < $::NOW) {
… …
492 $httpevent->wait; 524 $httpevent->wait;
493 } 525 }
494 } 526 }
495 } 527 }
496 528
497 $self->handle_file($queue_file, $tbf_top); 529 $self->handle_file ($queue_file, $tbf_top);
498 } else { 530 } else {
499 $self->err(404, "not found"); 531 $self->err (404, "not found");
500 } 532 }
501 } 533 }
502} 534}
503 535
504sub handle_dir { 536sub handle_dir {
505 my $self = shift; 537 my $self = shift;
506 my $idx = $self->diridx; 538 my $idx = $self->diridx;
507 539
508 $self->response(200, "ok", 540 $self->response (200, "ok",
509 { 541 {
510 "Content-Type" => "text/html", 542 "Content-Type" => "text/html; charset=utf-8",
511 "Content-Length" => length $idx, 543 "Content-Length" => length $idx,
512 "Last-Modified" => time2str ($self->{stat}[9]), 544 "Last-Modified" => time2str ($self->{stat}[9]),
513 }, 545 },
514 $idx); 546 $idx);
515} 547}
516 548
517sub handle_file { 549sub handle_file {
518 my ($self, $queue, $tbf) = @_; 550 my ($self, $queue, $tbf) = @_;
519 my $length = $self->{stat}[7]; 551 my $length = $self->{stat}[7];
520 my $hdr = { 552 my $hdr = {
521 "Last-Modified" => time2str ((stat _)[9]), 553 "Last-Modified" => time2str ((stat _)[9]),
554 "Accept-Ranges" => "bytes",
522 }; 555 };
523 556
524 my @code = (200, "ok"); 557 my @code = (200, "ok");
525 my ($l, $h); 558 my ($l, $h);
526 559
527 if ($self->{h}{range} =~ /^bytes=(.*)$/) { 560 if ($self->{h}{range} =~ /^bytes=(.*)$/i) {
528 for (split /,/, $1) { 561 for (split /,/, $1) {
529 if (/^-(\d+)$/) { 562 if (/^-(\d+)$/) {
530 ($l, $h) = ($length - $1, $length - 1); 563 ($l, $h) = ($length - $1, $length - 1);
531 } elsif (/^(\d+)-(\d*)$/) { 564 } elsif (/^(\d+)-(\d*)$/) {
532 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 565 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
… …
536 } 569 }
537 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; 570 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
538 } 571 }
539 $hdr->{"Content-Range"} = "bytes */$length"; 572 $hdr->{"Content-Range"} = "bytes */$length";
540 $hdr->{"Content-Length"} = $length; 573 $hdr->{"Content-Length"} = $length;
541 $self->err(416, "not satisfiable", $hdr, ""); 574 $self->err (416, "not satisfiable", $hdr, "");
542 575
543satisfiable: 576satisfiable:
544 # check for segmented downloads 577 # check for segmented downloads
545 if ($l && $::NO_SEGMENTED) { 578 if ($l && $::NO_SEGMENTED) {
546 my $timeout = $::NOW + 15; 579 my $timeout = $::NOW + 15;
547 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { 580 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
548 if ($timeout <= $::NOW) { 581 if ($timeout <= $::NOW) {
549 $self->block($::BLOCKTIME, "segmented downloads are forbidden"); 582 $self->block ($::BLOCKTIME, "segmented downloads are forbidden");
550 #$self->err_segmented_download; 583 #$self->err_segmented_download;
551 } else { 584 } else {
552 $httpevent->wait; 585 $httpevent->wait;
553 } 586 }
554 } 587 }
… …
565 598
566 $self->{path} =~ /\.([^.]+)$/; 599 $self->{path} =~ /\.([^.]+)$/;
567 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; 600 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
568 $hdr->{"Content-Length"} = $length; 601 $hdr->{"Content-Length"} = $length;
569 602
570 $self->response(@code, $hdr, ""); 603 $self->response (@code, $hdr, "");
571 604
572 if ($self->{method} eq "GET") { 605 if ($self->{method} eq "GET") {
573 $self->{time} = $::NOW; 606 $self->{time} = $::NOW;
574 $self->{written} = 0; 607 $self->{written} = 0;
575 608
576 my $current = $Coro::current;
577
578 my ($fh, $buf, $r);
579
580 open $fh, "<", $self->{path} 609 open my $fh, "<", $self->{path}
581 or die "$self->{path}: late open failure ($!)"; 610 or die "$self->{path}: late open failure ($!)";
582 611
583 $h -= $l - 1; 612 $h -= $l - 1;
584 613
585 if (0) { # !AIO
586 if ($l) {
587 sysseek $fh, $l, 0;
588 }
589 }
590
591 my $transfer = $queue->start_transfer($h); 614 my $transfer = $queue->start_transfer ($h);
592 my $locked; 615 my $locked;
593 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size 616 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
594 617
595 while ($h > 0) { 618 while ($h > 0) {
596 unless ($locked) { 619 unless ($locked) {
597 if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { 620 if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) {
598 $bufsize = $::BUFSIZE; 621 $bufsize = $::BUFSIZE;
599 $self->{time} = $::NOW; 622 $self->{time} = $::NOW;
600 $self->{written} = 0; 623 $self->{written} = 0;
601 } 624 }
602 } 625 }
… …
604 if ($blocked{$self->{remote_id}}) { 627 if ($blocked{$self->{remote_id}}) {
605 $self->{h}{connection} = "close"; 628 $self->{h}{connection} = "close";
606 die bless {}, err::; 629 die bless {}, err::;
607 } 630 }
608 631
609 if (0) { # !AIO 632 Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0
610 sysread $fh, $buf, $h > $bufsize ? $bufsize : $h
611 or last; 633 or last;
612 } else {
613 aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h),
614 $buf, 0, sub {
615 $r = $_[0];
616 Coro::ready($current);
617 });
618 &Coro::schedule;
619 last unless $r;
620 }
621 634
622 $tbf->request(length $buf); 635 $tbf->request (length $buf);
623 my $w = syswrite $self->{fh}, $buf 636 my $w = $self->{fh}->syswrite ($buf)
624 or last; 637 or last;
625 $::written += $w; 638 $::written += $w;
626 $self->{written} += $w; 639 $self->{written} += $w;
627 $l += $r; 640 $l += $w;
628 } 641 }
629 642
630 close $fh; 643 close $fh;
631 } 644 }
632} 645}
633 646
6341; 6471
648

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