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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 1.24 by root, Sat Aug 18 13:32:17 2001 UTC

… …
7use bytes; 7use bytes;
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
13my $port = new Coro::Socket
14 LocalAddr => $SERVER_HOST,
15 LocalPort => $SERVER_PORT,
16 ReuseAddr => 1,
17 Listen => 1,
18 or die "unable to start server";
19 12
20$SIG{PIPE} = 'IGNORE'; 13$SIG{PIPE} = 'IGNORE';
21 14
22sub slog { 15sub slog {
23 my $level = shift; 16 my $level = shift;
… …
25 printf "---: $format\n", @_; 18 printf "---: $format\n", @_;
26} 19}
27 20
28my $connections = new Coro::Semaphore $MAX_CONNECTS; 21my $connections = new Coro::Semaphore $MAX_CONNECTS;
29 22
30my @fh; 23my @newcons;
31my @pool; 24my @pool;
32 25
33# one "execution thread" 26# one "execution thread"
34sub handler { 27sub handler {
35 while () { 28 while () {
36 my $fh = pop @fh; 29 my $new = pop @newcons;
37 if ($fh) { 30 if ($new) {
38 eval { 31 eval {
39 conn->new($fh)->handle; 32 conn->new(@$new)->handle;
40 }; 33 };
41 close $fh;
42 slog 1, "$@" if $@ && !ref $@; 34 slog 1, "$@" if $@ && !ref $@;
43 $connections->up; 35 $connections->up;
44 } else { 36 } else {
45 last if @pool >= $MAX_POOL; 37 last if @pool >= $MAX_POOL;
46 push @pool, $Coro::current; 38 push @pool, $Coro::current;
47 schedule; 39 schedule;
48 } 40 }
49 } 41 }
50} 42}
51 43
44my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1,
48 Listen => 50,
49 or die "unable to start server";
50
51push @listen_sockets, $http_port;
52
52# the "main thread" 53# the "main thread"
53async { 54async {
54 slog 1, "accepting connections"; 55 slog 1, "accepting connections";
55 while () { 56 while () {
56 $connections->down; 57 $connections->down;
57 push @fh, $port->accept; 58 push @newcons, [$http_port->accept];
58 #slog 3, "accepted @$connections ".scalar(@pool); 59 #slog 3, "accepted @$connections ".scalar(@pool);
59 $::NOW = time; 60 $::NOW = time;
60 if (@pool) { 61 if (@pool) {
61 (pop @pool)->ready; 62 (pop @pool)->ready;
62 } else { 63 } else {
… …
64 } 65 }
65 66
66 } 67 }
67}; 68};
68 69
69loop;
70print "ende\n";#d#
71
72package conn; 70package conn;
73 71
74use Socket; 72use Socket;
75use HTTP::Date; 73use HTTP::Date;
76use Convert::Scalar 'weaken'; 74use Convert::Scalar 'weaken';
75use Linux::AIO;
76
77Linux::AIO::min_parallel $::AIO_PARALLEL;
78
79Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', async => 1,
81 cb => \&Linux::AIO::poll_cb);
77 82
78our %conn; # $conn{ip}{fh} => connobj 83our %conn; # $conn{ip}{fh} => connobj
79our %blocked; 84our %blocked;
85our %mimetype;
86
87sub read_mimetypes {
88 local *M;
89 if (open M, "<mime_types") {
90 while (<M>) {
91 if (/^([^#]\S+)\t+(\S+)$/) {
92 $mimetype{lc $1} = $2;
93 }
94 }
95 } else {
96 print "cannot open mime_types\n";
97 }
98}
99
100read_mimetypes;
80 101
81sub new { 102sub new {
82 my $class = shift; 103 my $class = shift;
104 my $peername = shift;
83 my $fh = shift; 105 my $fh = shift;
84 my $self = bless { fh => $fh }, $class; 106 my $self = bless { fh => $fh }, $class;
85 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 107 my (undef, $iaddr) = unpack_sockaddr_in $peername
86 or $self->err(500, "unable to get peername"); 108 or $self->err(500, "unable to decode peername");
109
87 $self->{remote_addr} = inet_ntoa $iaddr; 110 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW;
88 112
89 # enter ourselves into various lists 113 # enter ourselves into various lists
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 115
92 print "$self->{remote_addr}: ".($self*1)." > ".%{$conn{$self->{remote_addr}}},"\n"; 116 $::conns++;
117
93 $self; 118 $self;
94} 119}
95 120
96sub DESTROY { 121sub DESTROY {
97 my $self = shift; 122 my $self = shift;
123
124 $::conns--;
125
126 $self->eoconn;
98 delete $conn{$self->{remote_addr}}{$self*1}; 127 delete $conn{$self->{remote_addr}}{$self*1};
128}
129
130# end of connection
131sub eoconn {
99 delete $uri{$self->{uri}}{$self*1}; 132 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
100} 133}
101 134
102sub slog { 135sub slog {
103 main::slog(@_); 136 my $self = shift;
137 main::slog($_[0], "$self->{remote_addr}> $_[1]");
104} 138}
105 139
106sub print_response { 140sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 141 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 142 my $res = "HTTP/1.1 $code $msg\015\012";
109 143
110 $hdr->{Date} = time2str $::NOW; # slow? nah. 144 #$res .= "Connection: close\015\012";
145 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 146
112 while (my ($h, $v) = each %$hdr) { 147 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 148 $res .= "$h: $v\015\012"
114 } 149 }
115 $res .= "\015\012$content" if defined $content; 150 $res .= "\015\012";
151
152 $res .= $content if defined $content and $self->{method} ne "HEAD";
116 153
117 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 154 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
118 155
156 $self->{written} +=
119 print {$self->{fh}} $res; 157 print {$self->{fh}} $res;
120} 158}
121 159
122sub err { 160sub err {
123 my $self = shift; 161 my $self = shift;
124 my ($code, $msg, $hdr, $content) = @_; 162 my ($code, $msg, $hdr, $content) = @_;
… …
126 unless (defined $content) { 164 unless (defined $content) {
127 $content = "$code $msg"; 165 $content = "$code $msg";
128 $hdr->{"Content-Type"} = "text/plain"; 166 $hdr->{"Content-Type"} = "text/plain";
129 $hdr->{"Content-Length"} = length $content; 167 $hdr->{"Content-Length"} = length $content;
130 } 168 }
169 $hdr->{"Connection"} = "close";
131 170
132 $self->slog($msg) if $code;
133
134 $self->print_response($code, $msg, $hdr, $content); 171 $self->response($code, $msg, $hdr, $content);
135 172
136 die bless {}, err::; 173 die bless {}, err::;
137} 174}
138 175
139sub err_blocked { 176sub err_blocked {
140 my $self = shift; 177 my $self = shift;
141 my $ip = $self->{remote_addr}; 178 my $ip = $self->{remote_addr};
142 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 179 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
180
181 Coro::Event::do_timer(after => 20*rand);
182
143 $self->err(403, "too many connections", 183 $self->err(401, "too many connections",
184 {
185 "Content-Type" => "text/html",
144 { "Retry-After" => $::BLOCKTIME }, 186 "Retry-After" => $::BLOCKTIME,
187 "Warning" => "Please do NOT retry, you have been blocked",
188 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
189 },
145 <<EOF); 190 <<EOF);
191<html><p>
146You have been blocked because you opened too many connections. You 192You have been blocked because you opened too many connections. You
147may retry at $time. Until then, 193may retry at</p>
148every new access will renew the block. 194
195 <p><blockquote>$time.</blockquote></p>
196
197<p>Until then, each new access will renew the block. You might want to have a
198look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
199</html>
149EOF 200EOF
150} 201}
151 202
152sub handle { 203sub handle {
153 my $self = shift; 204 my $self = shift;
154 my $fh = $self->{fh}; 205 my $fh = $self->{fh};
155 206
207 $fh->timeout($::REQ_TIMEOUT);
156 #while() { 208 while() {
209 $self->{reqs}++;
210
211 # read request and parse first line
212 my $req = $fh->readline("\015\012\015\012");
213
214 unless (defined $req) {
215 if (exists $self->{version}) {
216 last;
217 } else {
218 $self->err(408, "request timeout");
219 }
220 }
221
157 $self->{h} = {}; 222 $self->{h} = {};
158 223
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); 224 $fh->timeout($::RES_TIMEOUT);
163
164 defined $req or
165 $self->err(408, "request timeout");
166
167 my $ip = $self->{remote_addr}; 225 my $ip = $self->{remote_addr};
168 226
169 if ($blocked{$ip}) { 227 if ($blocked{$ip}) {
170 $self->err_blocked($blocked{$ip}) 228 $self->err_blocked($blocked{$ip})
171 if $blocked{$ip} > $::NOW; 229 if $blocked{$ip} > $::NOW;
172 230
173 delete $blocked{$ip}; 231 delete $blocked{$ip};
174 } 232 }
175 233
176 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 234 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
177 $self->slog("blocked ip $ip"); 235 $self->slog(2, "blocked ip $ip");
178 $self->err_blocked; 236 $self->err_blocked;
179 } 237 }
180 238
181 $req =~ /^(?:\015\012)? 239 $req =~ /^(?:\015\012)?
182 (GET|HEAD) \040+ 240 (GET|HEAD) \040+
183 ([^\040]+) \040+ 241 ([^\040]+) \040+
184 HTTP\/([0-9]+\.[0-9]+) 242 HTTP\/([0-9]+\.[0-9]+)
185 \015\012/gx 243 \015\012/gx
186 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 244 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");
190 245
191 $self->{method} = $1; 246 $self->{method} = $1;
192 $self->{uri} = $2; 247 $self->{uri} = $2;
248 $self->{version} = $3;
249
250 $3 =~ /^1\./
251 or $self->err(506, "http protocol version $3 not supported");
193 252
194 # parse headers 253 # parse headers
195 { 254 {
196 my (%hdr, $h, $v); 255 my (%hdr, $h, $v);
197 256
… …
210 while ($h, $v) = each %hdr; 269 while ($h, $v) = each %hdr;
211 } 270 }
212 271
213 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 272 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
214 273
215 weaken ($uri{$self->{uri}}{$self*1} = $self); 274 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
216 275
276 eval {
217 $self->map_uri; 277 $self->map_uri;
218
219 Coro::Event::do_timer(after => 5);
220
221 $self->respond; 278 $self->respond;
279 };
280
281 die if $@ && !ref $@;
282
283 $self->eoconn;
284
285 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
286
287 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
288 $fh->timeout($::PER_TIMEOUT);
222 #} 289 }
223} 290}
224 291
225# uri => path mapping 292# uri => path mapping
226sub map_uri { 293sub map_uri {
227 my $self = shift; 294 my $self = shift;
… …
239 306
240 $self->{name} = $uri; 307 $self->{name} = $uri;
241 308
242 # now do the path mapping 309 # now do the path mapping
243 $self->{path} = "$::DOCROOT/$host$uri"; 310 $self->{path} = "$::DOCROOT/$host$uri";
311
312 $self->access_check;
244} 313}
245 314
246sub server_address { 315sub server_address {
247 my $self = shift; 316 my $self = shift;
248 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 317 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
282 if (chdir $::DOCROOT) { 351 if (chdir $::DOCROOT) {
283 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 352 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
284 $ENV{HTTP_HOST} = $self->server_host; 353 $ENV{HTTP_HOST} = $self->server_host;
285 $ENV{HTTP_PORT} = $self->{server_host}; 354 $ENV{HTTP_PORT} = $self->{server_host};
286 $ENV{SCRIPT_NAME} = $self->{name}; 355 $ENV{SCRIPT_NAME} = $self->{name};
287 exec $::INDEXPROG; 356 exec $path;
288 } 357 }
289 Coro::State::_exit(0); 358 Coro::State::_exit(0);
290 } else { 359 } else {
291 } 360 }
292} 361}
… …
295 my $self = shift; 364 my $self = shift;
296 my $path = $self->{path}; 365 my $path = $self->{path};
297 366
298 stat $path 367 stat $path
299 or $self->err(404, "not found"); 368 or $self->err(404, "not found");
369
370 $self->{stat} = [stat _];
300 371
301 # idiotic netscape sends idiotic headers AGAIN 372 # idiotic netscape sends idiotic headers AGAIN
302 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 373 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
303 ? str2time $1 : 0; 374 ? str2time $1 : 0;
304 375
… …
307 if ($path !~ /\/$/) { 378 if ($path !~ /\/$/) {
308 # create a redirect to get the trailing "/" 379 # create a redirect to get the trailing "/"
309 my $host = $self->server_hostport; 380 my $host = $self->server_hostport;
310 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 381 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
311 } else { 382 } else {
312 $ims < (stat _)[9] 383 $ims < $self->{stat}[9]
313 or $self->err(304, "not modified"); 384 or $self->err(304, "not modified");
314 385
315 if ($self->{method} eq "GET") { 386 if ($self->{method} eq "GET") {
316 if (-r "$path/index.html") { 387 if (-r "$path/index.html") {
317 $self->{path} .= "/index.html"; 388 $self->{path} .= "/index.html";
… …
329 } 400 }
330} 401}
331 402
332sub handle_dir { 403sub handle_dir {
333 my $self = shift; 404 my $self = shift;
334 $self->_cgi($::INDEXPROG); 405 my $idx = $self->diridx;
406
407 $self->response(200, "ok",
408 {
409 "Content-Type" => "text/html",
410 "Content-Length" => length $idx,
411 },
412 $idx);
335} 413}
336 414
337sub handle_file { 415sub handle_file {
338 my $self = shift; 416 my $self = shift;
339 my $length = -s _; 417 my $length = -s _;
… …
355 goto ignore; 433 goto ignore;
356 } 434 }
357 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 435 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l;
358 } 436 }
359 $hdr->{"Content-Range"} = "bytes */$length"; 437 $hdr->{"Content-Range"} = "bytes */$length";
438 $hdr->{"Content-Length"} = $length;
439 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
360 $self->err(416, "not satisfiable", $hdr); 440 $self->err(416, "not satisfiable", $hdr, "");
361 441
362satisfiable: 442satisfiable:
443 # check for segmented downloads
444 if ($l && $::NO_SEGMENTED) {
445 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
446 Coro::Event::do_timer(after => 15);
447
448 $self->err(400, "segmented downloads are not allowed");
449 }
450 }
451
363 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 452 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
364 @code = (206, "partial content"); 453 @code = (206, "partial content");
365 $length = $h - $l + 1; 454 $length = $h - $l + 1;
366 455
367ignore: 456ignore:
368 } else { 457 } else {
369 ($l, $h) = (0, $length - 1); 458 ($l, $h) = (0, $length - 1);
370 } 459 }
371 460
372 if ($self->{path} =~ /\.html$/) { 461 $self->{path} =~ /\.([^.]+)$/;
373 $hdr->{"Content-Type"} = "text/html";
374 } else {
375 $hdr->{"Content-Type"} = "application/octet-stream"; 462 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
376 }
377
378 $hdr->{"Content-Length"} = $length; 463 $hdr->{"Content-Length"} = $length;
379 464
380 $self->print_response(@code, $hdr, ""); 465 $self->response(@code, $hdr, "");
381 466
382 if ($self->{method} eq "GET") { 467 if ($self->{method} eq "GET") {
383 my ($fh, $buf); 468 my ($fh, $buf, $r);
469 my $current = $Coro::current;
384 open $fh, "<", $self->{path} 470 open $fh, "<", $self->{path}
385 or die "$self->{path}: late open failure ($!)"; 471 or die "$self->{path}: late open failure ($!)";
386 472
387 if ($l) {
388 sysseek $fh, $l, 0
389 or die "$self->{path}: cannot seek to $l ($!)";
390 }
391
392 $h -= $l - 1; 473 $h -= $l - 1;
393 474
475 if (0) {
476 if ($l) {
477 sysseek $fh, $l, 0;
478 }
479 }
480
394 while ($h > 0) { 481 while ($h > 0) {
395 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 482 if (0) {
396 print {$self->{fh}} $buf 483 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
484 or last;
485 } else {
486 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
487 $buf, 0, sub {
488 $r = $_[0];
489 $current->ready;
490 });
491 &Coro::schedule;
492 last unless $r;
493 }
494 my $w = $self->{fh}->syswrite($buf)
397 or last; 495 or last;
496 $::written += $w;
497 $self->{written} += $w;
498 $l += $r;
398 } 499 }
399 } 500 }
400 501
401 close $fh; 502 close $fh;
402} 503}

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