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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.5 by root, Fri Aug 10 15:58:04 2001 UTC vs.
Revision 1.27 by root, Sun Aug 19 23:57:52 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}
20 29
21my $connections = new Coro::Semaphore $MAX_CONNECTS; 30my $connections = new Coro::Semaphore $MAX_CONNECTS;
22 31
23my @fh; 32my @newcons;
24my @pool; 33my @pool;
25 34
26# one "execution thread" 35# one "execution thread"
27sub handler { 36sub handler {
28 while () { 37 while () {
29 my $fh = pop @fh; 38 my $new = pop @newcons;
30 if ($fh) { 39 if ($new) {
31 eval { 40 eval {
32 conn->new($fh)->handle; 41 conn->new(@$new)->handle;
33 }; 42 };
34 close $fh;
35 slog 1, "$@" if $@ && !ref $@; 43 slog 1, "$@" if $@ && !ref $@;
36 $connections->up; 44 $connections->up;
37 } else { 45 } else {
38 last if @pool >= $MAX_POOL; 46 last if @pool >= $MAX_POOL;
39 push @pool, $Coro::current; 47 push @pool, $Coro::current;
… …
44 52
45my $http_port = new Coro::Socket 53my $http_port = new Coro::Socket
46 LocalAddr => $SERVER_HOST, 54 LocalAddr => $SERVER_HOST,
47 LocalPort => $SERVER_PORT, 55 LocalPort => $SERVER_PORT,
48 ReuseAddr => 1, 56 ReuseAddr => 1,
49 Listen => 1, 57 Listen => 50,
50 or die "unable to start server"; 58 or die "unable to start server";
51 59
52push @listen_sockets, $http_port; 60push @listen_sockets, $http_port;
53 61
54# the "main thread" 62# the "main thread"
55async { 63async {
56 slog 1, "accepting connections"; 64 slog 1, "accepting connections";
57 while () { 65 while () {
58 $connections->down; 66 $connections->down;
59 push @fh, $http_port->accept; 67 push @newcons, [$http_port->accept];
60 #slog 3, "accepted @$connections ".scalar(@pool); 68 #slog 3, "accepted @$connections ".scalar(@pool);
61 $::NOW = time; 69 $::NOW = time;
62 if (@pool) { 70 if (@pool) {
63 (pop @pool)->ready; 71 (pop @pool)->ready;
64 } else { 72 } else {
… …
71package conn; 79package conn;
72 80
73use Socket; 81use Socket;
74use HTTP::Date; 82use HTTP::Date;
75use Convert::Scalar 'weaken'; 83use Convert::Scalar 'weaken';
84use Linux::AIO;
76 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
77our %conn; # $conn{ip}{fh} => connobj 92our %conn; # $conn{ip}{self} => connobj
93our %uri; # $uri{ip}{uri}{self}
78our %blocked; 94our %blocked;
95our %mimetype;
96
97sub read_mimetypes {
98 local *M;
99 if (open M, "<mime_types") {
100 while (<M>) {
101 if (/^([^#]\S+)\t+(\S+)$/) {
102 $mimetype{lc $1} = $2;
103 }
104 }
105 } else {
106 print "cannot open mime_types\n";
107 }
108}
109
110read_mimetypes;
79 111
80sub new { 112sub new {
81 my $class = shift; 113 my $class = 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 $fh->getpeername 117 my (undef, $iaddr) = unpack_sockaddr_in $peername
85 or $self->err(500, "unable to get peername"); 118 or $self->err(500, "unable to decode peername");
119
86 $self->{remote_addr} = inet_ntoa $iaddr; 120 $self->{remote_addr} = inet_ntoa $iaddr;
121 $self->{time} = $::NOW;
87 122
88 # enter ourselves into various lists 123 # enter ourselves into various lists
89 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 124 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
90 125
126 $::conns++;
127
91 $self; 128 $self;
92} 129}
93 130
94sub DESTROY { 131sub DESTROY {
95 my $self = shift; 132 my $self = shift;
133
134 $::conns--;
135
136 $self->eoconn;
96 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;
97 delete $uri{$self->{uri}}{$self*1}; 143 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
98} 144}
99 145
100sub slog { 146sub slog {
101 my $self = shift; 147 my $self = shift;
102 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 148 main::slog($_[0], "$self->{remote_addr}> $_[1]");
103} 149}
104 150
105sub response { 151sub response {
106 my ($self, $code, $msg, $hdr, $content) = @_; 152 my ($self, $code, $msg, $hdr, $content) = @_;
107 my $res = "HTTP/1.0 $code $msg\015\012"; 153 my $res = "HTTP/1.1 $code $msg\015\012";
108 154
109 $res .= "Connection: close\015\012"; 155 #$res .= "Connection: close\015\012";
110 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 156 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 157
112 while (my ($h, $v) = each %$hdr) { 158 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 159 $res .= "$h: $v\015\012"
114 } 160 }
161 $res .= "\015\012";
115 162
116 $res .= "\015\012$content" if defined $content; 163 $res .= $content if defined $content and $self->{method} ne "HEAD";
117 164
118 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 165 my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
119 166
167 print $accesslog $log if $accesslog;
168 print STDERR $log;
169
170 $self->{written} +=
120 print {$self->{fh}} $res; 171 print {$self->{fh}} $res;
121} 172}
122 173
123sub err { 174sub err {
124 my $self = shift; 175 my $self = shift;
125 my ($code, $msg, $hdr, $content) = @_; 176 my ($code, $msg, $hdr, $content) = @_;
… …
127 unless (defined $content) { 178 unless (defined $content) {
128 $content = "$code $msg"; 179 $content = "$code $msg";
129 $hdr->{"Content-Type"} = "text/plain"; 180 $hdr->{"Content-Type"} = "text/plain";
130 $hdr->{"Content-Length"} = length $content; 181 $hdr->{"Content-Length"} = length $content;
131 } 182 }
183 $hdr->{"Connection"} = "close";
132 184
133 $self->response($code, $msg, $hdr, $content); 185 $self->response($code, $msg, $hdr, $content);
134 186
135 die bless {}, err::; 187 die bless {}, err::;
136} 188}
137 189
138sub err_blocked { 190sub err_blocked {
139 my $self = shift; 191 my $self = shift;
140 my $ip = $self->{remote_addr}; 192 my $ip = $self->{remote_addr};
141 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 193 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
194
195 Coro::Event::do_timer(after => 20*rand);
196
142 $self->err(403, "too many connections", 197 $self->err(401, "too many connections",
143 { 198 {
144 "Content-Type" => "text/html", 199 "Content-Type" => "text/html",
145 "Retry-After" => $::BLOCKTIME 200 "Retry-After" => $::BLOCKTIME,
201 "Warning" => "Please do NOT retry, you have been blocked",
202 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
146 }, 203 },
147 <<EOF); 204 <<EOF);
148<html><p> 205<html>
206<head>
207<title>Too many connections</title>
208</head>
209<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
210
149You have been blocked because you opened too many connections. You 211<p>You have been blocked because you opened too many connections. You
150may retry at</p> 212may retry at</p>
151 213
152 <p><blockquote>$time.</blockquote></p> 214 <p><blockquote>$time.</blockquote></p>
153 215
154<p>Until then, each new access will renew the block. You might want to have a 216<p>Until then, each new access will renew the block. You might want to have a
155look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> 217look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
156</html> 218
219</body></html>
157EOF 220EOF
158} 221}
159 222
160sub handle { 223sub handle {
161 my $self = shift; 224 my $self = shift;
162 my $fh = $self->{fh}; 225 my $fh = $self->{fh};
163 226
227 $fh->timeout($::REQ_TIMEOUT);
164 #while() { 228 while() {
229 $self->{reqs}++;
230
231 # read request and parse first line
232 my $req = $fh->readline("\015\012\015\012");
233
234 unless (defined $req) {
235 if (exists $self->{version}) {
236 last;
237 } else {
238 $self->err(408, "request timeout");
239 }
240 }
241
165 $self->{h} = {}; 242 $self->{h} = {};
166 243
167 # read request and parse first line
168 $fh->timeout($::REQ_TIMEOUT);
169 my $req = $fh->readline("\015\012\015\012");
170 $fh->timeout($::RES_TIMEOUT); 244 $fh->timeout($::RES_TIMEOUT);
171
172 defined $req or
173 $self->err(408, "request timeout");
174
175 my $ip = $self->{remote_addr}; 245 my $ip = $self->{remote_addr};
176 246
177 if ($blocked{$ip}) { 247 if ($blocked{$ip}) {
178 $self->err_blocked($blocked{$ip}) 248 $self->err_blocked($blocked{$ip})
179 if $blocked{$ip} > $::NOW; 249 if $blocked{$ip} > $::NOW;
180 250
181 delete $blocked{$ip}; 251 delete $blocked{$ip};
182 } 252 }
183 253
184 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 254 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
185 $self->slog("blocked ip $ip"); 255 $self->slog(2, "blocked ip $ip");
186 $self->err_blocked; 256 $self->err_blocked;
187 } 257 }
188 258
189 $req =~ /^(?:\015\012)? 259 $req =~ /^(?:\015\012)?
190 (GET|HEAD) \040+ 260 (GET|HEAD) \040+
191 ([^\040]+) \040+ 261 ([^\040]+) \040+
192 HTTP\/([0-9]+\.[0-9]+) 262 HTTP\/([0-9]+\.[0-9]+)
193 \015\012/gx 263 \015\012/gx
194 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 264 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
195
196 $2 ne "1.0"
197 or $self->err(506, "http protocol version not supported");
198 265
199 $self->{method} = $1; 266 $self->{method} = $1;
200 $self->{uri} = $2; 267 $self->{uri} = $2;
268 $self->{version} = $3;
269
270 $3 =~ /^1\./
271 or $self->err(506, "http protocol version $3 not supported");
201 272
202 # parse headers 273 # parse headers
203 { 274 {
204 my (%hdr, $h, $v); 275 my (%hdr, $h, $v);
205 276
… …
218 while ($h, $v) = each %hdr; 289 while ($h, $v) = each %hdr;
219 } 290 }
220 291
221 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 292 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
222 293
223 weaken ($uri{$self->{uri}}{$self*1} = $self); 294 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
224 295
296 eval {
225 $self->map_uri; 297 $self->map_uri;
226 $self->respond; 298 $self->respond;
299 };
300
301 $self->eoconn;
302
303 die if $@ && !ref $@;
304
305 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
306
307 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
308 $fh->timeout($::PER_TIMEOUT);
227 #} 309 }
228} 310}
229 311
230# uri => path mapping 312# uri => path mapping
231sub map_uri { 313sub map_uri {
232 my $self = shift; 314 my $self = shift;
… …
244 326
245 $self->{name} = $uri; 327 $self->{name} = $uri;
246 328
247 # now do the path mapping 329 # now do the path mapping
248 $self->{path} = "$::DOCROOT/$host$uri"; 330 $self->{path} = "$::DOCROOT/$host$uri";
331
332 $self->access_check;
249} 333}
250 334
251sub server_address { 335sub server_address {
252 my $self = shift; 336 my $self = shift;
253 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 337 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
287 if (chdir $::DOCROOT) { 371 if (chdir $::DOCROOT) {
288 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 372 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
289 $ENV{HTTP_HOST} = $self->server_host; 373 $ENV{HTTP_HOST} = $self->server_host;
290 $ENV{HTTP_PORT} = $self->{server_host}; 374 $ENV{HTTP_PORT} = $self->{server_host};
291 $ENV{SCRIPT_NAME} = $self->{name}; 375 $ENV{SCRIPT_NAME} = $self->{name};
292 exec $::INDEXPROG; 376 exec $path;
293 } 377 }
294 Coro::State::_exit(0); 378 Coro::State::_exit(0);
295 } else { 379 } else {
296 } 380 }
297} 381}
… …
300 my $self = shift; 384 my $self = shift;
301 my $path = $self->{path}; 385 my $path = $self->{path};
302 386
303 stat $path 387 stat $path
304 or $self->err(404, "not found"); 388 or $self->err(404, "not found");
389
390 $self->{stat} = [stat _];
305 391
306 # idiotic netscape sends idiotic headers AGAIN 392 # idiotic netscape sends idiotic headers AGAIN
307 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 393 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
308 ? str2time $1 : 0; 394 ? str2time $1 : 0;
309 395
… …
312 if ($path !~ /\/$/) { 398 if ($path !~ /\/$/) {
313 # create a redirect to get the trailing "/" 399 # create a redirect to get the trailing "/"
314 my $host = $self->server_hostport; 400 my $host = $self->server_hostport;
315 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 401 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
316 } else { 402 } else {
317 $ims < (stat _)[9] 403 $ims < $self->{stat}[9]
318 or $self->err(304, "not modified"); 404 or $self->err(304, "not modified");
319 405
320 if ($self->{method} eq "GET") {
321 if (-r "$path/index.html") { 406 if (-r "$path/index.html") {
322 $self->{path} .= "/index.html"; 407 $self->{path} .= "/index.html";
323 $self->handle_file; 408 $self->handle_file;
324 } else { 409 } else {
325 $self->handle_dir; 410 $self->handle_dir;
326 }
327 } 411 }
328 } 412 }
329 } elsif (-f _ && -r _) { 413 } elsif (-f _ && -r _) {
330 -x _ and $self->err(403, "forbidden"); 414 -x _ and $self->err(403, "forbidden");
331 $self->handle_file; 415 $self->handle_file;
… …
334 } 418 }
335} 419}
336 420
337sub handle_dir { 421sub handle_dir {
338 my $self = shift; 422 my $self = shift;
339 $self->_cgi($::INDEXPROG); 423 my $idx = $self->diridx;
424
425 $self->response(200, "ok",
426 {
427 "Content-Type" => "text/html",
428 "Content-Length" => length $idx,
429 },
430 $idx);
340} 431}
341 432
342sub handle_file { 433sub handle_file {
343 my $self = shift; 434 my $self = shift;
344 my $length = -s _; 435 my $length = -s _;
… …
357 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 448 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
358 } else { 449 } else {
359 ($l, $h) = (0, $length - 1); 450 ($l, $h) = (0, $length - 1);
360 goto ignore; 451 goto ignore;
361 } 452 }
362 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 453 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
363 } 454 }
364 $hdr->{"Content-Range"} = "bytes */$length"; 455 $hdr->{"Content-Range"} = "bytes */$length";
456 $hdr->{"Content-Length"} = $length;
457 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
365 $self->err(416, "not satisfiable", $hdr); 458 $self->err(416, "not satisfiable", $hdr, "");
366 459
367satisfiable: 460satisfiable:
368 # check for segmented downloads 461 # check for segmented downloads
369 if ($l && $NO_SEGMENTED) { 462 if ($l && $::NO_SEGMENTED) {
370 if (%{$uri{$self->{uri}}} > 1) { 463 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
371 $self->slog("segmented download refused\n");
372 $self->err(400, "segmented downloads are not allowed"); 464 $self->err(400, "segmented downloads are not allowed");
373 } 465 }
374 } 466 }
375 467
376 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 468 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
… …
380ignore: 472ignore:
381 } else { 473 } else {
382 ($l, $h) = (0, $length - 1); 474 ($l, $h) = (0, $length - 1);
383 } 475 }
384 476
385 if ($self->{path} =~ /\.html$/) { 477 $self->{path} =~ /\.([^.]+)$/;
386 $hdr->{"Content-Type"} = "text/html";
387 } else {
388 $hdr->{"Content-Type"} = "application/octet-stream"; 478 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
389 }
390
391 $hdr->{"Content-Length"} = $length; 479 $hdr->{"Content-Length"} = $length;
392 480
393 $self->response(@code, $hdr, ""); 481 $self->response(@code, $hdr, "");
394 482
395 if ($self->{method} eq "GET") { 483 if ($self->{method} eq "GET") {
396 my ($fh, $buf); 484 my ($fh, $buf, $r);
485 my $current = $Coro::current;
397 open $fh, "<", $self->{path} 486 open $fh, "<", $self->{path}
398 or die "$self->{path}: late open failure ($!)"; 487 or die "$self->{path}: late open failure ($!)";
399 488
400 if ($l) {
401 sysseek $fh, $l, 0
402 or die "$self->{path}: cannot seek to $l ($!)";
403 }
404
405 $h -= $l - 1; 489 $h -= $l - 1;
406 490
491 if (0) {
492 if ($l) {
493 sysseek $fh, $l, 0;
494 }
495 }
496
407 while ($h > 0) { 497 while ($h > 0) {
498 if (0) {
408 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 499 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
500 or last;
501 } else {
502 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
503 $buf, 0, sub {
504 $r = $_[0];
505 $current->ready;
506 });
507 &Coro::schedule;
508 last unless $r;
509 }
409 $self->{fh}->syswrite($buf) 510 my $w = $self->{fh}->syswrite($buf)
410 or last; 511 or last;
512 $::written += $w;
513 $self->{written} += $w;
514 $l += $r;
411 } 515 }
412 } 516 }
413 517
414 close $fh; 518 close $fh;
415} 519}

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