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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.7 by root, Sat Aug 11 00:37:32 2001 UTC vs.
Revision 1.28 by root, Mon Aug 20 16:58:19 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}
43 52
44my $http_port = new Coro::Socket 53my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST, 54 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT, 55 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1, 56 ReuseAddr => 1,
48 Listen => 1, 57 Listen => 50,
49 or die "unable to start server"; 58 or die "unable to start server";
50 59
51push @listen_sockets, $http_port; 60push @listen_sockets, $http_port;
52 61
53# the "main thread" 62# the "main thread"
70package conn; 79package conn;
71 80
72use Socket; 81use Socket;
73use HTTP::Date; 82use HTTP::Date;
74use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
84use Linux::AIO;
75 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
76our %conn; # $conn{ip}{fh} => connobj 92our %conn; # $conn{ip}{self} => connobj
93our %uri; # $uri{ip}{uri}{self}
77our %blocked; 94our %blocked;
95our %mimetype;
96
97sub read_mimetypes {
98 local *M;
99 if (open M, "<mime_types") {
100 while (<M>) {
101 if (/^([^#]\S+)\t+(\S+)$/) {
102 $mimetype{lc $1} = $2;
103 }
104 }
105 } else {
106 print "cannot open mime_types\n";
107 }
108}
109
110read_mimetypes;
78 111
79sub new { 112sub new {
80 my $class = shift; 113 my $class = shift;
81 my $peername = shift; 114 my $peername = shift;
82 my $fh = shift; 115 my $fh = shift;
83 my $self = bless { fh => $fh }, $class; 116 my $self = bless { fh => $fh }, $class;
84 my (undef, $iaddr) = unpack_sockaddr_in $peername 117 my (undef, $iaddr) = unpack_sockaddr_in $peername
85 or $self->err(500, "unable to decode peername"); 118 or $self->err(500, "unable to decode peername");
86 119
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
126 $::conns++;
127
92 $self; 128 $self;
93} 129}
94 130
95sub DESTROY { 131sub DESTROY {
96 my $self = shift; 132 my $self = shift;
133
134 $::conns--;
135
136 $self->eoconn;
97 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;
98 delete $uri{$self->{uri}}{$self*1}; 143 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
99} 144}
100 145
101sub slog { 146sub slog {
102 my $self = shift; 147 my $self = shift;
103 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 148 main::slog($_[0], "$self->{remote_addr}> $_[1]");
104} 149}
105 150
106sub response { 151sub response {
107 my ($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 $res .= "Connection: close\015\012"; 155 $self->{h}{connection} ||= $hdr->{Connection};
156
111 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 157 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
112 158
113 while (my ($h, $v) = each %$hdr) { 159 while (my ($h, $v) = each %$hdr) {
114 $res .= "$h: $v\015\012" 160 $res .= "$h: $v\015\012"
115 } 161 }
162 $res .= "\015\012";
116 163
117 $res .= "\015\012$content" if defined $content; 164 $res .= $content if defined $content and $self->{method} ne "HEAD";
118 165
119 print STDERR "$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";
120 167
168 print $accesslog $log if $accesslog;
169 print STDERR $log;
170
171 $self->{written} +=
121 print {$self->{fh}} $res; 172 print {$self->{fh}} $res;
122} 173}
123 174
124sub err { 175sub err {
125 my $self = shift; 176 my $self = shift;
126 my ($code, $msg, $hdr, $content) = @_; 177 my ($code, $msg, $hdr, $content) = @_;
128 unless (defined $content) { 179 unless (defined $content) {
129 $content = "$code $msg"; 180 $content = "$code $msg";
130 $hdr->{"Content-Type"} = "text/plain"; 181 $hdr->{"Content-Type"} = "text/plain";
131 $hdr->{"Content-Length"} = length $content; 182 $hdr->{"Content-Length"} = length $content;
132 } 183 }
184 $hdr->{"Connection"} = "close";
133 185
134 $self->response($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",
144 { 199 {
145 "Content-Type" => "text/html", 200 "Content-Type" => "text/html",
146 "Retry-After" => $::BLOCKTIME 201 "Retry-After" => $::BLOCKTIME,
202 "Warning" => "Please do NOT retry, you have been blocked",
203 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
204 "Connection" => "close",
147 }, 205 },
148 <<EOF); 206 <<EOF);
149<html><p> 207<html>
208<head>
209<title>Too many connections</title>
210</head>
211<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
212
150You have been blocked because you opened too many connections. You 213<p>You have been blocked because you opened too many connections. You
151may retry at</p> 214may retry at</p>
152 215
153 <p><blockquote>$time.</blockquote></p> 216 <p><blockquote>$time.</blockquote></p>
154 217
155<p>Until then, each new access will renew the block. You might want to have a 218<p>Until then, each new access will renew the block. You might want to have a
156look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> 219look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p>
157</html> 220
221</body></html>
158EOF 222EOF
159} 223}
160 224
161sub handle { 225sub handle {
162 my $self = shift; 226 my $self = shift;
163 my $fh = $self->{fh}; 227 my $fh = $self->{fh};
164 228
229 $fh->timeout($::REQ_TIMEOUT);
165 #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
166 $self->{h} = {}; 244 $self->{h} = {};
167 245
168 # read request and parse first line
169 $fh->timeout($::REQ_TIMEOUT);
170 my $req = $fh->readline("\015\012\015\012");
171 $fh->timeout($::RES_TIMEOUT); 246 $fh->timeout($::RES_TIMEOUT);
172
173 defined $req or
174 $self->err(408, "request timeout");
175
176 my $ip = $self->{remote_addr}; 247 my $ip = $self->{remote_addr};
177 248
178 if ($blocked{$ip}) { 249 if ($blocked{$ip}) {
179 $self->err_blocked($blocked{$ip}) 250 $self->err_blocked($blocked{$ip})
180 if $blocked{$ip} > $::NOW; 251 if $blocked{$ip} > $::NOW;
181 252
182 delete $blocked{$ip}; 253 delete $blocked{$ip};
183 } 254 }
184 255
185 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 256 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
186 $self->slog("blocked ip $ip"); 257 $self->slog(2, "blocked ip $ip");
187 $self->err_blocked; 258 $self->err_blocked;
188 } 259 }
189 260
190 $req =~ /^(?:\015\012)? 261 $req =~ /^(?:\015\012)?
191 (GET|HEAD) \040+ 262 (GET|HEAD) \040+
192 ([^\040]+) \040+ 263 ([^\040]+) \040+
193 HTTP\/([0-9]+\.[0-9]+) 264 HTTP\/([0-9]+\.[0-9]+)
194 \015\012/gx 265 \015\012/gx
195 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 266 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
196
197 $2 ne "1.0"
198 or $self->err(506, "http protocol version not supported");
199 267
200 $self->{method} = $1; 268 $self->{method} = $1;
201 $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");
202 274
203 # parse headers 275 # parse headers
204 { 276 {
205 my (%hdr, $h, $v); 277 my (%hdr, $h, $v);
206 278
219 while ($h, $v) = each %hdr; 291 while ($h, $v) = each %hdr;
220 } 292 }
221 293
222 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 294 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
223 295
224 weaken ($uri{$self->{uri}}{$self*1} = $self); 296 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
225 297
298 eval {
226 $self->map_uri; 299 $self->map_uri;
227 $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);
228 #} 311 }
229} 312}
230 313
231# uri => path mapping 314# uri => path mapping
232sub map_uri { 315sub map_uri {
233 my $self = shift; 316 my $self = shift;
290 if (chdir $::DOCROOT) { 373 if (chdir $::DOCROOT) {
291 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 374 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
292 $ENV{HTTP_HOST} = $self->server_host; 375 $ENV{HTTP_HOST} = $self->server_host;
293 $ENV{HTTP_PORT} = $self->{server_host}; 376 $ENV{HTTP_PORT} = $self->{server_host};
294 $ENV{SCRIPT_NAME} = $self->{name}; 377 $ENV{SCRIPT_NAME} = $self->{name};
295 exec $::INDEXPROG; 378 exec $path;
296 } 379 }
297 Coro::State::_exit(0); 380 Coro::State::_exit(0);
298 } else { 381 } else {
299 } 382 }
300} 383}
303 my $self = shift; 386 my $self = shift;
304 my $path = $self->{path}; 387 my $path = $self->{path};
305 388
306 stat $path 389 stat $path
307 or $self->err(404, "not found"); 390 or $self->err(404, "not found");
391
392 $self->{stat} = [stat _];
308 393
309 # idiotic netscape sends idiotic headers AGAIN 394 # idiotic netscape sends idiotic headers AGAIN
310 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 395 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
311 ? str2time $1 : 0; 396 ? str2time $1 : 0;
312 397
315 if ($path !~ /\/$/) { 400 if ($path !~ /\/$/) {
316 # create a redirect to get the trailing "/" 401 # create a redirect to get the trailing "/"
317 my $host = $self->server_hostport; 402 my $host = $self->server_hostport;
318 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 403 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
319 } else { 404 } else {
320 $ims < (stat _)[9] 405 $ims < $self->{stat}[9]
321 or $self->err(304, "not modified"); 406 or $self->err(304, "not modified");
322 407
323 if ($self->{method} eq "GET") {
324 if (-r "$path/index.html") { 408 if (-r "$path/index.html") {
325 $self->{path} .= "/index.html"; 409 $self->{path} .= "/index.html";
326 $self->handle_file; 410 $self->handle_file;
327 } else { 411 } else {
328 $self->handle_dir; 412 $self->handle_dir;
329 }
330 } 413 }
331 } 414 }
332 } elsif (-f _ && -r _) { 415 } elsif (-f _ && -r _) {
333 -x _ and $self->err(403, "forbidden"); 416 -x _ and $self->err(403, "forbidden");
334 $self->handle_file; 417 $self->handle_file;
337 } 420 }
338} 421}
339 422
340sub handle_dir { 423sub handle_dir {
341 my $self = shift; 424 my $self = shift;
342 $self->_cgi($::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);
343} 433}
344 434
345sub handle_file { 435sub handle_file {
346 my $self = shift; 436 my $self = shift;
347 my $length = -s _; 437 my $length = -s _;
360 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 450 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
361 } else { 451 } else {
362 ($l, $h) = (0, $length - 1); 452 ($l, $h) = (0, $length - 1);
363 goto ignore; 453 goto ignore;
364 } 454 }
365 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 455 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
366 } 456 }
367 $hdr->{"Content-Range"} = "bytes */$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"}.")");
368 $self->err(416, "not satisfiable", $hdr); 460 $self->err(416, "not satisfiable", $hdr, "");
369 461
370satisfiable: 462satisfiable:
371 # check for segmented downloads 463 # check for segmented downloads
372 if ($l && $NO_SEGMENTED) { 464 if ($l && $::NO_SEGMENTED) {
373 if (%{$uri{$self->{uri}}} > 1) { 465 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
374 $self->slog("segmented download refused\n");
375 $self->err(400, "segmented downloads are not allowed"); 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
376 } 480 }
377 } 481 }
378 482
379 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 483 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
380 @code = (206, "partial content"); 484 @code = (206, "partial content");
383ignore: 487ignore:
384 } else { 488 } else {
385 ($l, $h) = (0, $length - 1); 489 ($l, $h) = (0, $length - 1);
386 } 490 }
387 491
388 if ($self->{path} =~ /\.html$/) { 492 $self->{path} =~ /\.([^.]+)$/;
389 $hdr->{"Content-Type"} = "text/html";
390 } else {
391 $hdr->{"Content-Type"} = "application/octet-stream"; 493 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
392 }
393
394 $hdr->{"Content-Length"} = $length; 494 $hdr->{"Content-Length"} = $length;
395 495
396 $self->response(@code, $hdr, ""); 496 $self->response(@code, $hdr, "");
397 497
398 if ($self->{method} eq "GET") { 498 if ($self->{method} eq "GET") {
399 my ($fh, $buf); 499 my ($fh, $buf, $r);
500 my $current = $Coro::current;
400 open $fh, "<", $self->{path} 501 open $fh, "<", $self->{path}
401 or die "$self->{path}: late open failure ($!)"; 502 or die "$self->{path}: late open failure ($!)";
402 503
403 if ($l) {
404 sysseek $fh, $l, 0
405 or die "$self->{path}: cannot seek to $l ($!)";
406 }
407
408 $h -= $l - 1; 504 $h -= $l - 1;
409 505
506 if (0) {
507 if ($l) {
508 sysseek $fh, $l, 0;
509 }
510 }
511
410 while ($h > 0) { 512 while ($h > 0) {
513 if (0) {
411 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 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 }
412 $self->{fh}->syswrite($buf) 525 my $w = $self->{fh}->syswrite($buf)
413 or last; 526 or last;
527 $::written += $w;
528 $self->{written} += $w;
529 $l += $r;
414 } 530 }
415 } 531 }
416 532
417 close $fh; 533 close $fh;
418} 534}
419 535
420sub access_check {
421 my $self = shift;
422 my $whois = ::ip_request($self->{remote_addr});
423
424 if ($whois =~ /^\*cy: (\S+)/m) {
425 $self->slog(9, "COUNTRY($1)");
426 } else {
427 $self->slog(9, "no country($whois)");
428 }
429}
430
4311; 5361;

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