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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.73 by root, Sat Oct 5 09:02:17 2002 UTC vs.
Revision 1.84 by root, Sat Dec 8 21:01:16 2007 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: $!";
… …
78# one "execution thread" 83# one "execution thread"
79sub handler { 84sub handler {
80 while () { 85 while () {
81 if (@newcons) { 86 if (@newcons) {
82 eval { 87 eval {
83 conn->new(@{pop @newcons})->handle; 88 conn->new (@{pop @newcons})->handle;
84 }; 89 };
85 slog 1, "$@" 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
… …
118 123
119my $http_port = new Coro::Socket 124my $http_port = new Coro::Socket
120 LocalAddr => $SERVER_HOST, 125 LocalAddr => $SERVER_HOST,
121 LocalPort => $SERVER_PORT, 126 LocalPort => $SERVER_PORT,
122 ReuseAddr => 1, 127 ReuseAddr => 1,
123 Listen => 50, 128 Listen => 50,
124 or die "unable to start server"; 129 or die "unable to start server";
125 130
126listen_on $http_port; 131listen_on $http_port;
127 132
128if ($SERVER_PORT2) { 133if ($SERVER_PORT2) {
129 my $http_port = new Coro::Socket 134 my $http_port = new Coro::Socket
130 LocalAddr => $SERVER_HOST, 135 LocalAddr => $SERVER_HOST,
131 LocalPort => $SERVER_PORT2, 136 LocalPort => $SERVER_PORT2,
132 ReuseAddr => 1, 137 ReuseAddr => 1,
133 Listen => 50, 138 Listen => 50,
134 or die "unable to start server"; 139 or die "unable to start server";
135 140
136 listen_on $http_port; 141 listen_on $http_port;
137} 142}
138 143
139package conn; 144package conn;
145
146use strict;
147use bytes;
140 148
141use Socket; 149use Socket;
142use HTTP::Date; 150use HTTP::Date;
143use Convert::Scalar 'weaken'; 151use Convert::Scalar 'weaken';
144use Linux::AIO; 152use IO::AIO;
145 153
146Linux::AIO::min_parallel $::AIO_PARALLEL; 154IO::AIO::min_parallel $::AIO_PARALLEL;
147 155
148Event->io(fd => Linux::AIO::poll_fileno, 156our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
149 poll => 'r', async => 1,
150 cb => \&Linux::AIO::poll_cb);
151 157
152our %conn; # $conn{ip}{self} => connobj 158our %conn; # $conn{ip}{self} => connobj
153our %uri; # $uri{ip}{uri}{self} 159our %uri; # $uri{ip}{uri}{self}
154our %blocked; 160our %blocked;
155our %mimetype; 161our %mimetype;
156 162
157sub read_mimetypes { 163sub read_mimetypes {
158 local *M;
159 if (open M, "<mime_types") { 164 if (open my $fh, "<mime_types") {
160 while (<M>) { 165 while (<$fh>) {
161 if (/^([^#]\S+)\t+(\S+)$/) { 166 if (/^([^#]\S+)\t+(\S+)$/) {
162 $mimetype{lc $1} = $2; 167 $mimetype{lc $1} = $2;
163 } 168 }
164 } 169 }
165 } else { 170 } else {
… …
173 my $class = shift; 178 my $class = shift;
174 my $fh = shift; 179 my $fh = shift;
175 my $peername = shift; 180 my $peername = shift;
176 my $self = bless { fh => $fh }, $class; 181 my $self = bless { fh => $fh }, $class;
177 my (undef, $iaddr) = unpack_sockaddr_in $peername 182 my (undef, $iaddr) = unpack_sockaddr_in $peername
178 or $self->err(500, "unable to decode peername"); 183 or $self->err (500, "unable to decode peername");
179 184
180 $self->{remote_addr} = 185 $self->{remote_addr} =
181 $self->{remote_id} = inet_ntoa $iaddr; 186 $self->{remote_id} = inet_ntoa $iaddr;
182 187
183 $self->{time} = $::NOW; 188 $self->{time} = $::NOW;
184 189
185 weaken ($Coro::current->{conn} = $self); 190 weaken ($Coro::current->{conn} = $self);
186 191
187 $::conns++; 192 ++$::conns;
188 $::maxconns = $::conns if $::conns > $::maxconns; 193 $::maxconns = $::conns if $::conns > $::maxconns;
189 194
190 $self; 195 $self
191} 196}
192 197
193sub DESTROY { 198sub DESTROY {
194 #my $self = shift; 199 my $self = shift;
200
195 $::conns--; 201 --$::conns;
196} 202}
197 203
198sub prune_cache { 204sub prune_cache {
199 my $hash = $_[0]; 205 my $hash = $_[0];
200 206
201 for (keys %$hash) { 207 for (keys %$hash) {
202 if (ref $hash->{$_} eq HASH::) { 208 if (ref $hash->{$_} eq HASH::) {
203 prune_cache($hash->{$_}); 209 prune_cache($hash->{$_});
204 unless (scalar keys %{$hash->{$_}}) { 210 unless (scalar keys %{$hash->{$_}}) {
205 delete $hash->{$_}; 211 delete $hash->{$_};
206 $d2++;
207 } 212 }
208 } 213 }
209 } 214 }
210} 215}
211 216
212sub prune_caches { 217sub prune_caches {
213 prune_cache \%conn; 218 prune_cache \%conn;
214 prune_cache \%uri; 219 prune_cache \%uri;
215 220
216 for (keys %blocked) { 221 for (keys %blocked) {
217 delete $blocked{$_} if $blocked{$_}[0] > $::NOW; 222 delete $blocked{$_} unless $blocked{$_}[0] > $::NOW;
218 } 223 }
219} 224}
220 225
221Event->timer(interval => 60, cb => \&prune_caches); 226our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches;
222 227
223sub slog { 228sub slog {
224 my $self = shift; 229 my $self = shift;
225 main::slog($_[0], "$self->{remote_id}> $_[1]"); 230 main::slog($_[0], "$self->{remote_id}> $_[1]");
226} 231}
… …
287 $hdr->{"Content-Type"} = "text/plain"; 292 $hdr->{"Content-Type"} = "text/plain";
288 $hdr->{"Content-Length"} = length $content; 293 $hdr->{"Content-Length"} = length $content;
289 } 294 }
290 $hdr->{"Connection"} = "close"; 295 $hdr->{"Connection"} = "close";
291 296
292 $self->response($code, $msg, $hdr, $content); 297 $self->response ($code, $msg, $hdr, $content);
293 298
294 die bless {}, err::; 299 die bless {}, err::
295} 300}
296 301
297sub handle { 302sub handle {
298 my $self = shift; 303 my $self = shift;
299 my $fh = $self->{fh}; 304 my $fh = $self->{fh};
300 305
301 my $host; 306 my $host;
302 307
303 $fh->timeout($::REQ_TIMEOUT); 308 $fh->timeout($::REQ_TIMEOUT);
304 while() { 309 while () {
305 $self->{reqs}++; 310 $self->{reqs}++;
306 311
307 # read request and parse first line 312 # read request and parse first line
308 my $req = $fh->readline("\015\012\015\012"); 313 my $req = $fh->readline("\015\012\015\012");
309 314
… …
471 476
472 if ($self->{name} =~ s%^/internal/([^/]+)%%) { 477 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
473 if ($::internal{$1}) { 478 if ($::internal{$1}) {
474 $::internal{$1}->($self); 479 $::internal{$1}->($self);
475 } else { 480 } else {
476 $self->err(404, "not found"); 481 $self->err (404, "not found");
477 } 482 }
478 } else { 483 } else {
479 484
480 stat $path 485 stat $path
481 or $self->err(404, "not found"); 486 or $self->err (404, "not found");
482 487
483 $self->{stat} = [stat _]; 488 $self->{stat} = [stat _];
484 489
485 # idiotic netscape sends idiotic headers AGAIN 490 # idiotic netscape sends idiotic headers AGAIN
486 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 491 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
… …
489 if (-d _ && -r _) { 494 if (-d _ && -r _) {
490 # directory 495 # directory
491 if ($path !~ /\/$/) { 496 if ($path !~ /\/$/) {
492 # create a redirect to get the trailing "/" 497 # create a redirect to get the trailing "/"
493 # we don't try to avoid the :80 498 # we don't try to avoid the :80
494 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); 499 $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
495 } else { 500 } else {
496 $ims < $self->{stat}[9] 501 $ims < $self->{stat}[9]
497 or $self->err(304, "not modified"); 502 or $self->err (304, "not modified");
498 503
499 if (-r "$path/index.html") { 504 if (-r "$path/index.html") {
500 # replace directory "size" by index.html filesize 505 # replace directory "size" by index.html filesize
501 $self->{stat} = [stat ($self->{path} .= "/index.html")]; 506 $self->{stat} = [stat ($self->{path} .= "/index.html")];
502 $self->handle_file($queue_index, $tbf_top); 507 $self->handle_file ($queue_index, $tbf_top);
503 } else { 508 } else {
504 $self->handle_dir; 509 $self->handle_dir;
505 } 510 }
506 } 511 }
507 } elsif (-f _ && -r _) { 512 } elsif (-f _ && -r _) {
508 -x _ and $self->err(403, "forbidden"); 513 -x _ and $self->err (403, "forbidden");
509 514
510 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 515 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
511 my $timeout = $::NOW + 10; 516 my $timeout = $::NOW + 10;
512 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 517 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
513 if ($timeout < $::NOW) { 518 if ($timeout < $::NOW) {
… …
516 $httpevent->wait; 521 $httpevent->wait;
517 } 522 }
518 } 523 }
519 } 524 }
520 525
521 $self->handle_file($queue_file, $tbf_top); 526 $self->handle_file ($queue_file, $tbf_top);
522 } else { 527 } else {
523 $self->err(404, "not found"); 528 $self->err (404, "not found");
524 } 529 }
525 } 530 }
526} 531}
527 532
528sub handle_dir { 533sub handle_dir {
529 my $self = shift; 534 my $self = shift;
530 my $idx = $self->diridx; 535 my $idx = $self->diridx;
531 536
532 $self->response(200, "ok", 537 $self->response (200, "ok",
533 { 538 {
534 "Content-Type" => "text/html", 539 "Content-Type" => "text/html; charset=utf-8",
535 "Content-Length" => length $idx, 540 "Content-Length" => length $idx,
536 "Last-Modified" => time2str ($self->{stat}[9]), 541 "Last-Modified" => time2str ($self->{stat}[9]),
537 }, 542 },
538 $idx); 543 $idx);
539} 544}
540 545
541sub handle_file { 546sub handle_file {
542 my ($self, $queue, $tbf) = @_; 547 my ($self, $queue, $tbf) = @_;
543 my $length = $self->{stat}[7]; 548 my $length = $self->{stat}[7];
544 my $hdr = { 549 my $hdr = {
545 "Last-Modified" => time2str ((stat _)[9]), 550 "Last-Modified" => time2str ((stat _)[9]),
551 "Accept-Ranges" => "bytes",
546 }; 552 };
547 553
548 my @code = (200, "ok"); 554 my @code = (200, "ok");
549 my ($l, $h); 555 my ($l, $h);
550 556
… …
560 } 566 }
561 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; 567 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
562 } 568 }
563 $hdr->{"Content-Range"} = "bytes */$length"; 569 $hdr->{"Content-Range"} = "bytes */$length";
564 $hdr->{"Content-Length"} = $length; 570 $hdr->{"Content-Length"} = $length;
565 $self->err(416, "not satisfiable", $hdr, ""); 571 $self->err (416, "not satisfiable", $hdr, "");
566 572
567satisfiable: 573satisfiable:
568 # check for segmented downloads 574 # check for segmented downloads
569 if ($l && $::NO_SEGMENTED) { 575 if ($l && $::NO_SEGMENTED) {
570 my $timeout = $::NOW + 15; 576 my $timeout = $::NOW + 15;
571 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { 577 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
572 if ($timeout <= $::NOW) { 578 if ($timeout <= $::NOW) {
573 $self->block($::BLOCKTIME, "segmented downloads are forbidden"); 579 $self->block ($::BLOCKTIME, "segmented downloads are forbidden");
574 #$self->err_segmented_download; 580 #$self->err_segmented_download;
575 } else { 581 } else {
576 $httpevent->wait; 582 $httpevent->wait;
577 } 583 }
578 } 584 }
… …
589 595
590 $self->{path} =~ /\.([^.]+)$/; 596 $self->{path} =~ /\.([^.]+)$/;
591 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; 597 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
592 $hdr->{"Content-Length"} = $length; 598 $hdr->{"Content-Length"} = $length;
593 599
594 $self->response(@code, $hdr, ""); 600 $self->response (@code, $hdr, "");
595 601
596 if ($self->{method} eq "GET") { 602 if ($self->{method} eq "GET") {
597 $self->{time} = $::NOW; 603 $self->{time} = $::NOW;
598 $self->{written} = 0; 604 $self->{written} = 0;
599 605
600 my $current = $Coro::current;
601
602 my ($fh, $buf, $r);
603
604 open $fh, "<", $self->{path} 606 open my $fh, "<", $self->{path}
605 or die "$self->{path}: late open failure ($!)"; 607 or die "$self->{path}: late open failure ($!)";
606 608
607 $h -= $l - 1; 609 $h -= $l - 1;
608 610
609 if (0) { # !AIO
610 if ($l) {
611 sysseek $fh, $l, 0;
612 }
613 }
614
615 my $transfer = $queue->start_transfer($h); 611 my $transfer = $queue->start_transfer ($h);
616 my $locked; 612 my $locked;
617 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size 613 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
618 614
619 while ($h > 0) { 615 while ($h > 0) {
620 unless ($locked) { 616 unless ($locked) {
621 if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { 617 if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) {
622 $bufsize = $::BUFSIZE; 618 $bufsize = $::BUFSIZE;
623 $self->{time} = $::NOW; 619 $self->{time} = $::NOW;
624 $self->{written} = 0; 620 $self->{written} = 0;
625 } 621 }
626 } 622 }
… …
628 if ($blocked{$self->{remote_id}}) { 624 if ($blocked{$self->{remote_id}}) {
629 $self->{h}{connection} = "close"; 625 $self->{h}{connection} = "close";
630 die bless {}, err::; 626 die bless {}, err::;
631 } 627 }
632 628
633 if (0) { # !AIO 629 Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0
634 sysread $fh, $buf, $h > $bufsize ? $bufsize : $h
635 or last; 630 or last;
636 } else {
637 aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h),
638 $buf, 0, sub {
639 $r = $_[0];
640 Coro::ready($current);
641 });
642 &Coro::schedule;
643 last unless $r;
644 }
645 631
646 $tbf->request(length $buf); 632 $tbf->request (length $buf);
647 my $w = syswrite $self->{fh}, $buf 633 my $w = syswrite $self->{fh}, $buf
648 or last; 634 or last;
649 $::written += $w; 635 $::written += $w;
650 $self->{written} += $w; 636 $self->{written} += $w;
651 $l += $r; 637 $l += $w;
652 } 638 }
653 639
654 close $fh; 640 close $fh;
655 } 641 }
656} 642}
657 643
6581; 6441
645

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