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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.2 by root, Thu Aug 9 19:11:13 2001 UTC vs.
Revision 1.27 by root, Sun Aug 19 23:57:52 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);
69 $::NOW = time;
59 if (@pool) { 70 if (@pool) {
60 (pop @pool)->ready; 71 (pop @pool)->ready;
61 } else { 72 } else {
62 async \&handler; 73 async \&handler;
63 } 74 }
64 75
65 } 76 }
66}; 77};
67 78
68loop;
69print "ende\n";#d#
70
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
77my %conn; # $conn{ip}{fh} => connobj 92our %conn; # $conn{ip}{self} => connobj
93our %uri; # $uri{ip}{uri}{self}
94our %blocked;
95our %mimetype;
96
97sub read_mimetypes {
98 local *M;
99 if (open M, "<mime_types") {
100 while (<M>) {
101 if (/^([^#]\S+)\t+(\S+)$/) {
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;
114 my $peername = shift;
81 my $fh = shift; 115 my $fh = shift;
82 my $self = bless { fh => $fh }, $class; 116 my $self = bless { fh => $fh }, $class;
83 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 117 my (undef, $iaddr) = unpack_sockaddr_in $peername
84 or $self->err(500, "unable to get peername"); 118 or $self->err(500, "unable to decode peername");
119
85 $self->{remote_address} = inet_ntoa $iaddr; 120 $self->{remote_addr} = inet_ntoa $iaddr;
121 $self->{time} = $::NOW;
86 122
87 # enter ourselves into various lists 123 # enter ourselves into various lists
88 weaken ($conn{$self->{remote_address}}{$self*1} = $self); 124 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
89 print $self->{remote_address}.": ".($self*1)." > ".%{$conn{$self->{remote_address}}},"\n"; 125
126 $::conns++;
127
90 $self; 128 $self;
91} 129}
92 130
93sub DESTROY { 131sub DESTROY {
94 my $self = shift; 132 my $self = shift;
133
134 $::conns--;
135
136 $self->eoconn;
95 delete $conn{$self->{remote_address}}{$self*1}; 137 delete $conn{$self->{remote_addr}}{$self*1};
138}
139
140# end of connection
141sub eoconn {
142 my $self = shift;
143 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
96} 144}
97 145
98sub slog { 146sub slog {
99 main::slog(@_); 147 my $self = shift;
148 main::slog($_[0], "$self->{remote_addr}> $_[1]");
100} 149}
101 150
102sub print_response { 151sub response {
103 my ($self, $code, $msg, $hdr, $content) = @_; 152 my ($self, $code, $msg, $hdr, $content) = @_;
104 my $res = "HTTP/1.0 $code $msg\015\012"; 153 my $res = "HTTP/1.1 $code $msg\015\012";
105 154
106 $hdr->{Date} = time2str time; # slow? nah. 155 #$res .= "Connection: close\015\012";
156 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
107 157
108 while (my ($h, $v) = each %$hdr) { 158 while (my ($h, $v) = each %$hdr) {
109 $res .= "$h: $v\015\012" 159 $res .= "$h: $v\015\012"
110 } 160 }
111 $res .= "\015\012$content" if defined $content; 161 $res .= "\015\012";
112 162
163 $res .= $content if defined $content and $self->{method} ne "HEAD";
164
113 print STDERR "$self->{remote_address} \"$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";
114 166
167 print $accesslog $log if $accesslog;
168 print STDERR $log;
169
170 $self->{written} +=
115 print {$self->{fh}} $res; 171 print {$self->{fh}} $res;
116} 172}
117 173
118sub err { 174sub err {
119 my $self = shift; 175 my $self = shift;
120 my ($code, $msg, $hdr, $content) = @_; 176 my ($code, $msg, $hdr, $content) = @_;
… …
122 unless (defined $content) { 178 unless (defined $content) {
123 $content = "$code $msg"; 179 $content = "$code $msg";
124 $hdr->{"Content-Type"} = "text/plain"; 180 $hdr->{"Content-Type"} = "text/plain";
125 $hdr->{"Content-Length"} = length $content; 181 $hdr->{"Content-Length"} = length $content;
126 } 182 }
183 $hdr->{"Connection"} = "close";
127 184
128 $self->slog($msg) if $code;
129
130 $self->print_response($code, $msg, $hdr, $content); 185 $self->response($code, $msg, $hdr, $content);
131 186
132 die bless {}, err::; 187 die bless {}, err::;
133} 188}
134 189
190sub err_blocked {
191 my $self = shift;
192 my $ip = $self->{remote_addr};
193 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
194
195 Coro::Event::do_timer(after => 20*rand);
196
197 $self->err(401, "too many connections",
198 {
199 "Content-Type" => "text/html",
200 "Retry-After" => $::BLOCKTIME,
201 "Warning" => "Please do NOT retry, you have been blocked",
202 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
203 },
204 <<EOF);
205<html>
206<head>
207<title>Too many connections</title>
208</head>
209<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
210
211<p>You have been blocked because you opened too many connections. You
212may retry at</p>
213
214 <p><blockquote>$time.</blockquote></p>
215
216<p>Until then, each new access will renew the block. You might want to have a
217look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
218
219</body></html>
220EOF
221}
222
135sub handle { 223sub handle {
136 my $self = shift; 224 my $self = shift;
137 my $fh = $self->{fh}; 225 my $fh = $self->{fh};
138 226
227 $fh->timeout($::REQ_TIMEOUT);
139 #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
140 $self->{h} = {}; 242 $self->{h} = {};
141 243
142 # read request and parse first line
143 $fh->timeout($::REQ_TIMEOUT);
144 my $req = $fh->readline("\015\012\015\012");
145 $fh->timeout($::RES_TIMEOUT); 244 $fh->timeout($::RES_TIMEOUT);
245 my $ip = $self->{remote_addr};
146 246
147 defined $req or 247 if ($blocked{$ip}) {
148 $self->err(408, "request timeout"); 248 $self->err_blocked($blocked{$ip})
249 if $blocked{$ip} > $::NOW;
250
251 delete $blocked{$ip};
252 }
253
254 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
255 $self->slog(2, "blocked ip $ip");
256 $self->err_blocked;
257 }
149 258
150 $req =~ /^(?:\015\012)? 259 $req =~ /^(?:\015\012)?
151 (GET|HEAD) \040+ 260 (GET|HEAD) \040+
152 ([^\040]+) \040+ 261 ([^\040]+) \040+
153 HTTP\/([0-9]+\.[0-9]+) 262 HTTP\/([0-9]+\.[0-9]+)
154 \015\012/gx 263 \015\012/gx
155 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 264 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
156
157 $2 ne "1.0"
158 or $self->err(506, "http protocol version not supported");
159 265
160 $self->{method} = $1; 266 $self->{method} = $1;
161 $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");
162 272
163 # parse headers 273 # parse headers
164 { 274 {
165 my (%hdr, $h, $v); 275 my (%hdr, $h, $v);
166 276
… …
179 while ($h, $v) = each %hdr; 289 while ($h, $v) = each %hdr;
180 } 290 }
181 291
182 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 292 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
183 293
294 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
295
296 eval {
184 $self->map_uri; 297 $self->map_uri;
185
186 Coro::Event::do_timer(after => 5);
187
188 $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);
189 #} 309 }
190} 310}
191 311
192# uri => path mapping 312# uri => path mapping
193sub map_uri { 313sub map_uri {
194 my $self = shift; 314 my $self = shift;
… …
206 326
207 $self->{name} = $uri; 327 $self->{name} = $uri;
208 328
209 # now do the path mapping 329 # now do the path mapping
210 $self->{path} = "$::DOCROOT/$host$uri"; 330 $self->{path} = "$::DOCROOT/$host$uri";
331
332 $self->access_check;
211} 333}
212 334
213sub server_address { 335sub server_address {
214 my $self = shift; 336 my $self = shift;
215 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 337 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
249 if (chdir $::DOCROOT) { 371 if (chdir $::DOCROOT) {
250 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 372 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
251 $ENV{HTTP_HOST} = $self->server_host; 373 $ENV{HTTP_HOST} = $self->server_host;
252 $ENV{HTTP_PORT} = $self->{server_host}; 374 $ENV{HTTP_PORT} = $self->{server_host};
253 $ENV{SCRIPT_NAME} = $self->{name}; 375 $ENV{SCRIPT_NAME} = $self->{name};
254 exec $::INDEXPROG; 376 exec $path;
255 } 377 }
256 Coro::State::_exit(0); 378 Coro::State::_exit(0);
257 } else { 379 } else {
258 } 380 }
259} 381}
… …
262 my $self = shift; 384 my $self = shift;
263 my $path = $self->{path}; 385 my $path = $self->{path};
264 386
265 stat $path 387 stat $path
266 or $self->err(404, "not found"); 388 or $self->err(404, "not found");
389
390 $self->{stat} = [stat _];
267 391
268 # idiotic netscape sends idiotic headers AGAIN 392 # idiotic netscape sends idiotic headers AGAIN
269 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 393 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
270 ? str2time $1 : 0; 394 ? str2time $1 : 0;
271 395
… …
274 if ($path !~ /\/$/) { 398 if ($path !~ /\/$/) {
275 # create a redirect to get the trailing "/" 399 # create a redirect to get the trailing "/"
276 my $host = $self->server_hostport; 400 my $host = $self->server_hostport;
277 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 401 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
278 } else { 402 } else {
279 $ims < (stat _)[9] 403 $ims < $self->{stat}[9]
280 or $self->err(304, "not modified"); 404 or $self->err(304, "not modified");
281 405
282 if ($self->{method} eq "GET") {
283 if (-r "$path/index.html") { 406 if (-r "$path/index.html") {
284 $self->{path} .= "/index.html"; 407 $self->{path} .= "/index.html";
285 $self->handle_file; 408 $self->handle_file;
286 } else { 409 } else {
287 $self->handle_dir; 410 $self->handle_dir;
288 }
289 } 411 }
290 } 412 }
291 } elsif (-f _ && -r _) { 413 } elsif (-f _ && -r _) {
292 -x _ and $self->err(403, "forbidden"); 414 -x _ and $self->err(403, "forbidden");
293 $self->handle_file; 415 $self->handle_file;
… …
296 } 418 }
297} 419}
298 420
299sub handle_dir { 421sub handle_dir {
300 my $self = shift; 422 my $self = shift;
301 $self->_cgi($::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);
302} 431}
303 432
304sub handle_file { 433sub handle_file {
305 my $self = shift; 434 my $self = shift;
306 my $length = -s _; 435 my $length = -s _;
… …
319 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 448 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
320 } else { 449 } else {
321 ($l, $h) = (0, $length - 1); 450 ($l, $h) = (0, $length - 1);
322 goto ignore; 451 goto ignore;
323 } 452 }
324 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 453 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
325 } 454 }
326 $hdr->{"Content-Range"} = "bytes */$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"}.")");
327 $self->err(416, "not satisfiable", $hdr); 458 $self->err(416, "not satisfiable", $hdr, "");
328 459
329satisfiable: 460satisfiable:
461 # check for segmented downloads
462 if ($l && $::NO_SEGMENTED) {
463 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
464 $self->err(400, "segmented downloads are not allowed");
465 }
466 }
467
330 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 468 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
331 @code = (206, "partial content"); 469 @code = (206, "partial content");
332 $length = $h - $l + 1; 470 $length = $h - $l + 1;
333 471
334ignore: 472ignore:
335 } else { 473 } else {
336 ($l, $h) = (0, $length - 1); 474 ($l, $h) = (0, $length - 1);
337 } 475 }
338 476
339 if ($self->{path} =~ /\.html$/) { 477 $self->{path} =~ /\.([^.]+)$/;
340 $hdr->{"Content-Type"} = "text/html";
341 } else {
342 $hdr->{"Content-Type"} = "application/octet-stream"; 478 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
343 }
344
345 $hdr->{"Content-Length"} = $length; 479 $hdr->{"Content-Length"} = $length;
346 480
347 $self->print_response(@code, $hdr, ""); 481 $self->response(@code, $hdr, "");
348 482
349 if ($self->{method} eq "GET") { 483 if ($self->{method} eq "GET") {
350 my ($fh, $buf); 484 my ($fh, $buf, $r);
485 my $current = $Coro::current;
351 open $fh, "<", $self->{path} 486 open $fh, "<", $self->{path}
352 or die "$self->{path}: late open failure ($!)"; 487 or die "$self->{path}: late open failure ($!)";
353 488
354 if ($l) {
355 sysseek $fh, $l, 0
356 or die "$self->{path}: cannot seek to $l ($!)";
357 }
358
359 $h -= $l - 1; 489 $h -= $l - 1;
360 490
491 if (0) {
492 if ($l) {
493 sysseek $fh, $l, 0;
494 }
495 }
496
361 while ($h > 0) { 497 while ($h > 0) {
362 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 498 if (0) {
363 print {$self->{fh}} $buf 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 }
510 my $w = $self->{fh}->syswrite($buf)
364 or last; 511 or last;
512 $::written += $w;
513 $self->{written} += $w;
514 $l += $r;
365 } 515 }
366 } 516 }
367 517
368 close $fh; 518 close $fh;
369} 519}

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