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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.10 by root, Sat Aug 11 16:34:47 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}
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;
78our %mimetype; 95our %mimetype;
79 96
80sub read_mimetypes { 97sub read_mimetypes {
81 local *M; 98 local *M;
99 my $self = bless { fh => $fh }, $class; 116 my $self = bless { fh => $fh }, $class;
100 my (undef, $iaddr) = unpack_sockaddr_in $peername 117 my (undef, $iaddr) = unpack_sockaddr_in $peername
101 or $self->err(500, "unable to decode peername"); 118 or $self->err(500, "unable to decode peername");
102 119
103 $self->{remote_addr} = inet_ntoa $iaddr; 120 $self->{remote_addr} = inet_ntoa $iaddr;
121 $self->{time} = $::NOW;
104 122
105 # enter ourselves into various lists 123 # enter ourselves into various lists
106 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 124 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
107 125
126 $::conns++;
127
108 $self; 128 $self;
109} 129}
110 130
111sub DESTROY { 131sub DESTROY {
112 my $self = shift; 132 my $self = shift;
133
134 $::conns--;
135
136 $self->eoconn;
113 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;
114 delete $uri{$self->{uri}}{$self*1}; 143 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
115} 144}
116 145
117sub slog { 146sub slog {
118 my $self = shift; 147 my $self = shift;
119 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 148 main::slog($_[0], "$self->{remote_addr}> $_[1]");
120} 149}
121 150
122sub response { 151sub response {
123 my ($self, $code, $msg, $hdr, $content) = @_; 152 my ($self, $code, $msg, $hdr, $content) = @_;
124 my $res = "HTTP/1.0 $code $msg\015\012"; 153 my $res = "HTTP/1.1 $code $msg\015\012";
125 154
126 $res .= "Connection: close\015\012"; 155 #$res .= "Connection: close\015\012";
127 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 156 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
128 157
129 while (my ($h, $v) = each %$hdr) { 158 while (my ($h, $v) = each %$hdr) {
130 $res .= "$h: $v\015\012" 159 $res .= "$h: $v\015\012"
131 } 160 }
132 $res .= "\015\012"; 161 $res .= "\015\012";
133 162
134 $res .= $content if defined $content and $self->{method} eq "GET"; 163 $res .= $content if defined $content and $self->{method} ne "HEAD";
135 164
136 print STDERR "$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";
137 166
167 print $accesslog $log if $accesslog;
168 print STDERR $log;
169
170 $self->{written} +=
138 print {$self->{fh}} $res; 171 print {$self->{fh}} $res;
139} 172}
140 173
141sub err { 174sub err {
142 my $self = shift; 175 my $self = shift;
143 my ($code, $msg, $hdr, $content) = @_; 176 my ($code, $msg, $hdr, $content) = @_;
145 unless (defined $content) { 178 unless (defined $content) {
146 $content = "$code $msg"; 179 $content = "$code $msg";
147 $hdr->{"Content-Type"} = "text/plain"; 180 $hdr->{"Content-Type"} = "text/plain";
148 $hdr->{"Content-Length"} = length $content; 181 $hdr->{"Content-Length"} = length $content;
149 } 182 }
183 $hdr->{"Connection"} = "close";
150 184
151 $self->response($code, $msg, $hdr, $content); 185 $self->response($code, $msg, $hdr, $content);
152 186
153 die bless {}, err::; 187 die bless {}, err::;
154} 188}
156sub err_blocked { 190sub err_blocked {
157 my $self = shift; 191 my $self = shift;
158 my $ip = $self->{remote_addr}; 192 my $ip = $self->{remote_addr};
159 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 193 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
160 194
161 Coro::Event::do_timer(after => 5); 195 Coro::Event::do_timer(after => 20*rand);
162 196
163 $self->err(403, "too many connections", 197 $self->err(401, "too many connections",
164 { 198 {
165 "Content-Type" => "text/html", 199 "Content-Type" => "text/html",
166 "Retry-After" => $::BLOCKTIME 200 "Retry-After" => $::BLOCKTIME,
201 "Warning" => "Please do NOT retry, you have been blocked",
202 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
167 }, 203 },
168 <<EOF); 204 <<EOF);
169<html><p> 205<html>
206<head>
207<title>Too many connections</title>
208</head>
209<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
210
170You have been blocked because you opened too many connections. You 211<p>You have been blocked because you opened too many connections. You
171may retry at</p> 212may retry at</p>
172 213
173 <p><blockquote>$time.</blockquote></p> 214 <p><blockquote>$time.</blockquote></p>
174 215
175<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
176look 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>
177</html> 218
219</body></html>
178EOF 220EOF
179} 221}
180 222
181sub handle { 223sub handle {
182 my $self = shift; 224 my $self = shift;
183 my $fh = $self->{fh}; 225 my $fh = $self->{fh};
184 226
227 $fh->timeout($::REQ_TIMEOUT);
185 #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
186 $self->{h} = {}; 242 $self->{h} = {};
187 243
188 # read request and parse first line
189 $fh->timeout($::REQ_TIMEOUT);
190 my $req = $fh->readline("\015\012\015\012");
191 $fh->timeout($::RES_TIMEOUT); 244 $fh->timeout($::RES_TIMEOUT);
192
193 defined $req or
194 $self->err(408, "request timeout");
195
196 my $ip = $self->{remote_addr}; 245 my $ip = $self->{remote_addr};
197 246
198 if ($blocked{$ip}) { 247 if ($blocked{$ip}) {
199 $self->err_blocked($blocked{$ip}) 248 $self->err_blocked($blocked{$ip})
200 if $blocked{$ip} > $::NOW; 249 if $blocked{$ip} > $::NOW;
201 250
202 delete $blocked{$ip}; 251 delete $blocked{$ip};
203 } 252 }
204 253
205 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 254 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
206 $self->slog("blocked ip $ip"); 255 $self->slog(2, "blocked ip $ip");
207 $self->err_blocked; 256 $self->err_blocked;
208 } 257 }
209 258
210 $req =~ /^(?:\015\012)? 259 $req =~ /^(?:\015\012)?
211 (GET|HEAD) \040+ 260 (GET|HEAD) \040+
212 ([^\040]+) \040+ 261 ([^\040]+) \040+
213 HTTP\/([0-9]+\.[0-9]+) 262 HTTP\/([0-9]+\.[0-9]+)
214 \015\012/gx 263 \015\012/gx
215 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 264 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
216
217 $2 ne "1.0"
218 or $self->err(506, "http protocol version not supported");
219 265
220 $self->{method} = $1; 266 $self->{method} = $1;
221 $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");
222 272
223 # parse headers 273 # parse headers
224 { 274 {
225 my (%hdr, $h, $v); 275 my (%hdr, $h, $v);
226 276
239 while ($h, $v) = each %hdr; 289 while ($h, $v) = each %hdr;
240 } 290 }
241 291
242 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 292 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
243 293
244 weaken ($uri{$self->{uri}}{$self*1} = $self); 294 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
245 295
296 eval {
246 $self->map_uri; 297 $self->map_uri;
247 $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);
248 #} 309 }
249} 310}
250 311
251# uri => path mapping 312# uri => path mapping
252sub map_uri { 313sub map_uri {
253 my $self = shift; 314 my $self = shift;
340 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 401 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
341 } else { 402 } else {
342 $ims < $self->{stat}[9] 403 $ims < $self->{stat}[9]
343 or $self->err(304, "not modified"); 404 or $self->err(304, "not modified");
344 405
345 if ($self->{method} eq "GET") {
346 if (-r "$path/index.html") { 406 if (-r "$path/index.html") {
347 $self->{path} .= "/index.html"; 407 $self->{path} .= "/index.html";
348 $self->handle_file; 408 $self->handle_file;
349 } else { 409 } else {
350 $self->handle_dir; 410 $self->handle_dir;
351 }
352 } 411 }
353 } 412 }
354 } elsif (-f _ && -r _) { 413 } elsif (-f _ && -r _) {
355 -x _ and $self->err(403, "forbidden"); 414 -x _ and $self->err(403, "forbidden");
356 $self->handle_file; 415 $self->handle_file;
389 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 448 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
390 } else { 449 } else {
391 ($l, $h) = (0, $length - 1); 450 ($l, $h) = (0, $length - 1);
392 goto ignore; 451 goto ignore;
393 } 452 }
394 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 453 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
395 } 454 }
396 $hdr->{"Content-Range"} = "bytes */$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"}.")");
397 $self->err(416, "not satisfiable", $hdr); 458 $self->err(416, "not satisfiable", $hdr, "");
398 459
399satisfiable: 460satisfiable:
400 # check for segmented downloads 461 # check for segmented downloads
401 if ($l && $::NO_SEGMENTED) { 462 if ($l && $::NO_SEGMENTED) {
402 if (%{$uri{$self->{uri}}} > 1) { 463 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
403 $self->slog("segmented download refused\n");
404 $self->err(400, "segmented downloads are not allowed"); 464 $self->err(400, "segmented downloads are not allowed");
405 } 465 }
406 } 466 }
407 467
408 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 468 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
419 $hdr->{"Content-Length"} = $length; 479 $hdr->{"Content-Length"} = $length;
420 480
421 $self->response(@code, $hdr, ""); 481 $self->response(@code, $hdr, "");
422 482
423 if ($self->{method} eq "GET") { 483 if ($self->{method} eq "GET") {
424 my ($fh, $buf); 484 my ($fh, $buf, $r);
485 my $current = $Coro::current;
425 open $fh, "<", $self->{path} 486 open $fh, "<", $self->{path}
426 or die "$self->{path}: late open failure ($!)"; 487 or die "$self->{path}: late open failure ($!)";
427 488
428 if ($l) {
429 sysseek $fh, $l, 0
430 or die "$self->{path}: cannot seek to $l ($!)";
431 }
432
433 $h -= $l - 1; 489 $h -= $l - 1;
434 490
491 if (0) {
492 if ($l) {
493 sysseek $fh, $l, 0;
494 }
495 }
496
435 while ($h > 0) { 497 while ($h > 0) {
498 if (0) {
436 $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 }
437 $self->{fh}->syswrite($buf) 510 my $w = $self->{fh}->syswrite($buf)
438 or last; 511 or last;
512 $::written += $w;
513 $self->{written} += $w;
514 $l += $r;
439 } 515 }
440 } 516 }
441 517
442 close $fh; 518 close $fh;
443} 519}

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