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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.3 by root, Fri Aug 10 02:28:28 2001 UTC vs.
Revision 1.28 by root, Mon Aug 20 16:58:19 2001 UTC

… …
8 8
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
13my $port = new Coro::Socket
14 LocalAddr => $SERVER_HOST,
15 LocalPort => $SERVER_PORT,
16 ReuseAddr => 1,
17 Listen => 1,
18 or die "unable to start server";
19
20$SIG{PIPE} = 'IGNORE'; 13$SIG{PIPE} = 'IGNORE';
21 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
22sub slog { 24sub slog {
23 my $level = shift; 25 my $level = shift;
24 my $format = shift; 26 my $format = shift;
25 printf "---: $format\n", @_; 27 printf "---: $format\n", @_;
26} 28}
27 29
28my $connections = new Coro::Semaphore $MAX_CONNECTS; 30my $connections = new Coro::Semaphore $MAX_CONNECTS;
29 31
30my @fh; 32my @newcons;
31my @pool; 33my @pool;
32 34
33# one "execution thread" 35# one "execution thread"
34sub handler { 36sub handler {
35 while () { 37 while () {
36 my $fh = pop @fh; 38 my $new = pop @newcons;
37 if ($fh) { 39 if ($new) {
38 eval { 40 eval {
39 conn->new($fh)->handle; 41 conn->new(@$new)->handle;
40 }; 42 };
41 close $fh;
42 slog 1, "$@" if $@ && !ref $@; 43 slog 1, "$@" if $@ && !ref $@;
43 $connections->up; 44 $connections->up;
44 } else { 45 } else {
45 last if @pool >= $MAX_POOL; 46 last if @pool >= $MAX_POOL;
46 push @pool, $Coro::current; 47 push @pool, $Coro::current;
47 schedule; 48 schedule;
48 } 49 }
49 } 50 }
50} 51}
51 52
53my $http_port = new Coro::Socket
54 LocalAddr => $SERVER_HOST,
55 LocalPort => $SERVER_PORT,
56 ReuseAddr => 1,
57 Listen => 50,
58 or die "unable to start server";
59
60push @listen_sockets, $http_port;
61
52# the "main thread" 62# the "main thread"
53async { 63async {
54 slog 1, "accepting connections"; 64 slog 1, "accepting connections";
55 while () { 65 while () {
56 $connections->down; 66 $connections->down;
57 push @fh, $port->accept; 67 push @newcons, [$http_port->accept];
58 #slog 3, "accepted @$connections ".scalar(@pool); 68 #slog 3, "accepted @$connections ".scalar(@pool);
59 $::NOW = time; 69 $::NOW = time;
60 if (@pool) { 70 if (@pool) {
61 (pop @pool)->ready; 71 (pop @pool)->ready;
62 } else { 72 } else {
… …
64 } 74 }
65 75
66 } 76 }
67}; 77};
68 78
69loop;
70print "ende\n";#d#
71
72package conn; 79package conn;
73 80
74use Socket; 81use Socket;
75use HTTP::Date; 82use HTTP::Date;
76use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
84use Linux::AIO;
77 85
86Linux::AIO::min_parallel $::AIO_PARALLEL;
87
88Event->io(fd => Linux::AIO::poll_fileno,
89 poll => 'r', async => 1,
90 cb => \&Linux::AIO::poll_cb);
91
78our %conn; # $conn{ip}{fh} => connobj 92our %conn; # $conn{ip}{self} => connobj
93our %uri; # $uri{ip}{uri}{self}
79our %blocked; 94our %blocked;
95our %mimetype;
96
97sub read_mimetypes {
98 local *M;
99 if (open M, "<mime_types") {
100 while (<M>) {
101 if (/^([^#]\S+)\t+(\S+)$/) {
102 $mimetype{lc $1} = $2;
103 }
104 }
105 } else {
106 print "cannot open mime_types\n";
107 }
108}
109
110read_mimetypes;
80 111
81sub new { 112sub new {
82 my $class = shift; 113 my $class = shift;
114 my $peername = shift;
83 my $fh = shift; 115 my $fh = shift;
84 my $self = bless { fh => $fh }, $class; 116 my $self = bless { fh => $fh }, $class;
85 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 117 my (undef, $iaddr) = unpack_sockaddr_in $peername
86 or $self->err(500, "unable to get peername"); 118 or $self->err(500, "unable to decode peername");
119
87 $self->{remote_addr} = inet_ntoa $iaddr; 120 $self->{remote_addr} = inet_ntoa $iaddr;
121 $self->{time} = $::NOW;
88 122
89 # enter ourselves into various lists 123 # enter ourselves into various lists
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 124 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 125
92 print "$self->{remote_addr}: ".($self*1)." > ".%{$conn{$self->{remote_addr}}},"\n"; 126 $::conns++;
127
93 $self; 128 $self;
94} 129}
95 130
96sub DESTROY { 131sub DESTROY {
97 my $self = shift; 132 my $self = shift;
133
134 $::conns--;
135
136 $self->eoconn;
98 delete $conn{$self->{remote_addr}}{$self*1}; 137 delete $conn{$self->{remote_addr}}{$self*1};
138}
139
140# end of connection
141sub eoconn {
142 my $self = shift;
99 delete $uri{$self->{uri}}{$self*1}; 143 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
100} 144}
101 145
102sub slog { 146sub slog {
103 main::slog(@_); 147 my $self = shift;
148 main::slog($_[0], "$self->{remote_addr}> $_[1]");
104} 149}
105 150
106sub print_response { 151sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 152 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 153 my $res = "HTTP/1.1 $code $msg\015\012";
109 154
110 $hdr->{Date} = time2str $::NOW; # slow? nah. 155 $self->{h}{connection} ||= $hdr->{Connection};
156
157 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 158
112 while (my ($h, $v) = each %$hdr) { 159 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 160 $res .= "$h: $v\015\012"
114 } 161 }
115 $res .= "\015\012$content" if defined $content; 162 $res .= "\015\012";
116 163
164 $res .= $content if defined $content and $self->{method} ne "HEAD";
165
117 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 166 my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
118 167
168 print $accesslog $log if $accesslog;
169 print STDERR $log;
170
171 $self->{written} +=
119 print {$self->{fh}} $res; 172 print {$self->{fh}} $res;
120} 173}
121 174
122sub err { 175sub err {
123 my $self = shift; 176 my $self = shift;
124 my ($code, $msg, $hdr, $content) = @_; 177 my ($code, $msg, $hdr, $content) = @_;
… …
126 unless (defined $content) { 179 unless (defined $content) {
127 $content = "$code $msg"; 180 $content = "$code $msg";
128 $hdr->{"Content-Type"} = "text/plain"; 181 $hdr->{"Content-Type"} = "text/plain";
129 $hdr->{"Content-Length"} = length $content; 182 $hdr->{"Content-Length"} = length $content;
130 } 183 }
184 $hdr->{"Connection"} = "close";
131 185
132 $self->slog($msg) if $code;
133
134 $self->print_response($code, $msg, $hdr, $content); 186 $self->response($code, $msg, $hdr, $content);
135 187
136 die bless {}, err::; 188 die bless {}, err::;
137} 189}
138 190
139sub err_blocked { 191sub err_blocked {
140 my $self = shift; 192 my $self = shift;
141 my $ip = $self->{remote_addr}; 193 my $ip = $self->{remote_addr};
142 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 194 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
195
196 Coro::Event::do_timer(after => 20*rand);
197
143 $self->err(403, "too many connections", 198 $self->err(401, "too many connections",
199 {
200 "Content-Type" => "text/html",
144 { "Retry-After" => $::BLOCKTIME }, 201 "Retry-After" => $::BLOCKTIME,
202 "Warning" => "Please do NOT retry, you have been blocked",
203 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
204 "Connection" => "close",
205 },
145 <<EOF); 206 <<EOF);
207<html>
208<head>
209<title>Too many connections</title>
210</head>
211<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
212
146You have been blocked because you opened too many connections. You 213<p>You have been blocked because you opened too many connections. You
147may retry at $time. Until then, 214may retry at</p>
148every new access will renew the block. 215
216 <p><blockquote>$time.</blockquote></p>
217
218<p>Until then, each new access will renew the block. You might want to have a
219look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p>
220
221</body></html>
149EOF 222EOF
150} 223}
151 224
152sub handle { 225sub handle {
153 my $self = shift; 226 my $self = shift;
154 my $fh = $self->{fh}; 227 my $fh = $self->{fh};
155 228
229 $fh->timeout($::REQ_TIMEOUT);
156 #while() { 230 while() {
231 $self->{reqs}++;
232
233 # read request and parse first line
234 my $req = $fh->readline("\015\012\015\012");
235
236 unless (defined $req) {
237 if (exists $self->{version}) {
238 last;
239 } else {
240 $self->err(408, "request timeout");
241 }
242 }
243
157 $self->{h} = {}; 244 $self->{h} = {};
158 245
159 # read request and parse first line
160 $fh->timeout($::REQ_TIMEOUT);
161 my $req = $fh->readline("\015\012\015\012");
162 $fh->timeout($::RES_TIMEOUT); 246 $fh->timeout($::RES_TIMEOUT);
163
164 defined $req or
165 $self->err(408, "request timeout");
166
167 my $ip = $self->{remote_addr}; 247 my $ip = $self->{remote_addr};
168 248
169 if ($blocked{$ip}) { 249 if ($blocked{$ip}) {
170 $self->err_blocked($blocked{$ip}) 250 $self->err_blocked($blocked{$ip})
171 if $blocked{$ip} > $::NOW; 251 if $blocked{$ip} > $::NOW;
172 252
173 delete $blocked{$ip}; 253 delete $blocked{$ip};
174 } 254 }
175 255
176 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 256 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
177 $self->slog("blocked ip $ip"); 257 $self->slog(2, "blocked ip $ip");
178 $self->err_blocked; 258 $self->err_blocked;
179 } 259 }
180 260
181 $req =~ /^(?:\015\012)? 261 $req =~ /^(?:\015\012)?
182 (GET|HEAD) \040+ 262 (GET|HEAD) \040+
183 ([^\040]+) \040+ 263 ([^\040]+) \040+
184 HTTP\/([0-9]+\.[0-9]+) 264 HTTP\/([0-9]+\.[0-9]+)
185 \015\012/gx 265 \015\012/gx
186 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 266 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
187
188 $2 ne "1.0"
189 or $self->err(506, "http protocol version not supported");
190 267
191 $self->{method} = $1; 268 $self->{method} = $1;
192 $self->{uri} = $2; 269 $self->{uri} = $2;
270 $self->{version} = $3;
271
272 $3 =~ /^1\./
273 or $self->err(506, "http protocol version $3 not supported");
193 274
194 # parse headers 275 # parse headers
195 { 276 {
196 my (%hdr, $h, $v); 277 my (%hdr, $h, $v);
197 278
… …
210 while ($h, $v) = each %hdr; 291 while ($h, $v) = each %hdr;
211 } 292 }
212 293
213 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 294 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
214 295
215 weaken ($uri{$self->{uri}}{$self*1} = $self); 296 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
216 297
298 eval {
217 $self->map_uri; 299 $self->map_uri;
218
219 Coro::Event::do_timer(after => 5);
220
221 $self->respond; 300 $self->respond;
301 };
302
303 $self->eoconn;
304
305 die if $@ && !ref $@;
306
307 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
308
309 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
310 $fh->timeout($::PER_TIMEOUT);
222 #} 311 }
223} 312}
224 313
225# uri => path mapping 314# uri => path mapping
226sub map_uri { 315sub map_uri {
227 my $self = shift; 316 my $self = shift;
… …
239 328
240 $self->{name} = $uri; 329 $self->{name} = $uri;
241 330
242 # now do the path mapping 331 # now do the path mapping
243 $self->{path} = "$::DOCROOT/$host$uri"; 332 $self->{path} = "$::DOCROOT/$host$uri";
333
334 $self->access_check;
244} 335}
245 336
246sub server_address { 337sub server_address {
247 my $self = shift; 338 my $self = shift;
248 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 339 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
282 if (chdir $::DOCROOT) { 373 if (chdir $::DOCROOT) {
283 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 374 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
284 $ENV{HTTP_HOST} = $self->server_host; 375 $ENV{HTTP_HOST} = $self->server_host;
285 $ENV{HTTP_PORT} = $self->{server_host}; 376 $ENV{HTTP_PORT} = $self->{server_host};
286 $ENV{SCRIPT_NAME} = $self->{name}; 377 $ENV{SCRIPT_NAME} = $self->{name};
287 exec $::INDEXPROG; 378 exec $path;
288 } 379 }
289 Coro::State::_exit(0); 380 Coro::State::_exit(0);
290 } else { 381 } else {
291 } 382 }
292} 383}
… …
295 my $self = shift; 386 my $self = shift;
296 my $path = $self->{path}; 387 my $path = $self->{path};
297 388
298 stat $path 389 stat $path
299 or $self->err(404, "not found"); 390 or $self->err(404, "not found");
391
392 $self->{stat} = [stat _];
300 393
301 # idiotic netscape sends idiotic headers AGAIN 394 # idiotic netscape sends idiotic headers AGAIN
302 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 395 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
303 ? str2time $1 : 0; 396 ? str2time $1 : 0;
304 397
… …
307 if ($path !~ /\/$/) { 400 if ($path !~ /\/$/) {
308 # create a redirect to get the trailing "/" 401 # create a redirect to get the trailing "/"
309 my $host = $self->server_hostport; 402 my $host = $self->server_hostport;
310 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 403 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
311 } else { 404 } else {
312 $ims < (stat _)[9] 405 $ims < $self->{stat}[9]
313 or $self->err(304, "not modified"); 406 or $self->err(304, "not modified");
314 407
315 if ($self->{method} eq "GET") {
316 if (-r "$path/index.html") { 408 if (-r "$path/index.html") {
317 $self->{path} .= "/index.html"; 409 $self->{path} .= "/index.html";
318 $self->handle_file; 410 $self->handle_file;
319 } else { 411 } else {
320 $self->handle_dir; 412 $self->handle_dir;
321 }
322 } 413 }
323 } 414 }
324 } elsif (-f _ && -r _) { 415 } elsif (-f _ && -r _) {
325 -x _ and $self->err(403, "forbidden"); 416 -x _ and $self->err(403, "forbidden");
326 $self->handle_file; 417 $self->handle_file;
… …
329 } 420 }
330} 421}
331 422
332sub handle_dir { 423sub handle_dir {
333 my $self = shift; 424 my $self = shift;
334 $self->_cgi($::INDEXPROG); 425 my $idx = $self->diridx;
426
427 $self->response(200, "ok",
428 {
429 "Content-Type" => "text/html",
430 "Content-Length" => length $idx,
431 },
432 $idx);
335} 433}
336 434
337sub handle_file { 435sub handle_file {
338 my $self = shift; 436 my $self = shift;
339 my $length = -s _; 437 my $length = -s _;
… …
352 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 450 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
353 } else { 451 } else {
354 ($l, $h) = (0, $length - 1); 452 ($l, $h) = (0, $length - 1);
355 goto ignore; 453 goto ignore;
356 } 454 }
357 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 455 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
358 } 456 }
359 $hdr->{"Content-Range"} = "bytes */$length"; 457 $hdr->{"Content-Range"} = "bytes */$length";
458 $hdr->{"Content-Length"} = $length;
459 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
360 $self->err(416, "not satisfiable", $hdr); 460 $self->err(416, "not satisfiable", $hdr, "");
361 461
362satisfiable: 462satisfiable:
463 # check for segmented downloads
464 if ($l && $::NO_SEGMENTED) {
465 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
466 $self->err(400, "segmented downloads are not allowed",
467 { "Content-Type" => "text/html", Connection => "close" }, <<EOF);
468<html>
469<head>
470<title>Segmented downloads are not allowed</title>
471</head>
472<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
473
474<p>Segmented downloads are not allowed on this server. Please refer to the
475<a href="http://www.goof.com/pcg/marc/animefaq.html#segmented_downloads">FAQ</a>.</p>
476
477</body></html>
478EOF
479EOF
480 }
481 }
482
363 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 483 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
364 @code = (206, "partial content"); 484 @code = (206, "partial content");
365 $length = $h - $l + 1; 485 $length = $h - $l + 1;
366 486
367ignore: 487ignore:
368 } else { 488 } else {
369 ($l, $h) = (0, $length - 1); 489 ($l, $h) = (0, $length - 1);
370 } 490 }
371 491
372 if ($self->{path} =~ /\.html$/) { 492 $self->{path} =~ /\.([^.]+)$/;
373 $hdr->{"Content-Type"} = "text/html";
374 } else {
375 $hdr->{"Content-Type"} = "application/octet-stream"; 493 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
376 }
377
378 $hdr->{"Content-Length"} = $length; 494 $hdr->{"Content-Length"} = $length;
379 495
380 $self->print_response(@code, $hdr, ""); 496 $self->response(@code, $hdr, "");
381 497
382 if ($self->{method} eq "GET") { 498 if ($self->{method} eq "GET") {
383 my ($fh, $buf); 499 my ($fh, $buf, $r);
500 my $current = $Coro::current;
384 open $fh, "<", $self->{path} 501 open $fh, "<", $self->{path}
385 or die "$self->{path}: late open failure ($!)"; 502 or die "$self->{path}: late open failure ($!)";
386 503
387 if ($l) {
388 sysseek $fh, $l, 0
389 or die "$self->{path}: cannot seek to $l ($!)";
390 }
391
392 $h -= $l - 1; 504 $h -= $l - 1;
393 505
506 if (0) {
507 if ($l) {
508 sysseek $fh, $l, 0;
509 }
510 }
511
394 while ($h > 0) { 512 while ($h > 0) {
395 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 513 if (0) {
396 print {$self->{fh}} $buf 514 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
515 or last;
516 } else {
517 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
518 $buf, 0, sub {
519 $r = $_[0];
520 $current->ready;
521 });
522 &Coro::schedule;
523 last unless $r;
524 }
525 my $w = $self->{fh}->syswrite($buf)
397 or last; 526 or last;
527 $::written += $w;
528 $self->{written} += $w;
529 $l += $r;
398 } 530 }
399 } 531 }
400 532
401 close $fh; 533 close $fh;
402} 534}

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