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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 1.21 by root, Fri Aug 17 03:33:00 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);
60 $::NOW = time;
59 if (@pool) { 61 if (@pool) {
60 (pop @pool)->ready; 62 (pop @pool)->ready;
61 } else { 63 } else {
62 async \&handler; 64 async \&handler;
63 } 65 }
64 66
65 } 67 }
66}; 68};
67 69
68loop;
69print "ende\n";#d#
70
71package conn; 70package conn;
72 71
73use Socket; 72use Socket;
74use HTTP::Date; 73use HTTP::Date;
75use Convert::Scalar 'weaken'; 74use Convert::Scalar 'weaken';
75use Linux::AIO;
76 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);
82my $scheduler = Event->idle(
83 max => 0, min => 0, prio => 6, parked => 1,
84 cb => \&Coro::schedule);
85
77my %conn; # $conn{ip}{fh} => connobj 86our %conn; # $conn{ip}{fh} => connobj
87our %blocked;
88our %mimetype;
89
90sub read_mimetypes {
91 local *M;
92 if (open M, "<mime_types") {
93 while (<M>) {
94 if (/^([^#]\S+)\t+(\S+)$/) {
95 $mimetype{lc $1} = $2;
96 }
97 }
98 } else {
99 print "cannot open mime_types\n";
100 }
101}
102
103read_mimetypes;
78 104
79sub new { 105sub new {
80 my $class = shift; 106 my $class = shift;
107 my $peername = shift;
81 my $fh = shift; 108 my $fh = shift;
82 my $self = bless { fh => $fh }, $class; 109 my $self = bless { fh => $fh }, $class;
83 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 110 my (undef, $iaddr) = unpack_sockaddr_in $peername
84 or $self->err(500, "unable to get peername"); 111 or $self->err(500, "unable to decode peername");
112
85 $self->{remote_address} = inet_ntoa $iaddr; 113 $self->{remote_addr} = inet_ntoa $iaddr;
114 $self->{time} = $::NOW;
86 115
87 # enter ourselves into various lists 116 # enter ourselves into various lists
88 weaken ($conn{$self->{remote_address}}{$self*1} = $self); 117 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
89 print $self->{remote_address}.": ".($self*1)." > ".%{$conn{$self->{remote_address}}},"\n"; 118
119 $::conns++;
120
90 $self; 121 $self;
91} 122}
92 123
93sub DESTROY { 124sub DESTROY {
94 my $self = shift; 125 my $self = shift;
126
127 $::conns--;
128
129 $self->eoconn;
95 delete $conn{$self->{remote_address}}{$self*1}; 130 delete $conn{$self->{remote_addr}}{$self*1};
131}
132
133# end of connection
134sub eoconn {
135 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
96} 136}
97 137
98sub slog { 138sub slog {
99 main::slog(@_); 139 my $self = shift;
140 main::slog($_[0], "$self->{remote_addr}> $_[1]");
100} 141}
101 142
102sub print_response { 143sub response {
103 my ($self, $code, $msg, $hdr, $content) = @_; 144 my ($self, $code, $msg, $hdr, $content) = @_;
104 my $res = "HTTP/1.0 $code $msg\015\012"; 145 my $res = "HTTP/1.1 $code $msg\015\012";
105 146
106 $hdr->{Date} = time2str time; # slow? nah. 147 #$res .= "Connection: close\015\012";
148 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
107 149
108 while (my ($h, $v) = each %$hdr) { 150 while (my ($h, $v) = each %$hdr) {
109 $res .= "$h: $v\015\012" 151 $res .= "$h: $v\015\012"
110 } 152 }
111 $res .= "\015\012$content" if defined $content; 153 $res .= "\015\012";
112 154
155 $res .= $content if defined $content and $self->{method} ne "HEAD";
156
113 print STDERR "$self->{remote_address} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 157 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
114 158
159 $self->{written} +=
115 print {$self->{fh}} $res; 160 print {$self->{fh}} $res;
116} 161}
117 162
118sub err { 163sub err {
119 my $self = shift; 164 my $self = shift;
120 my ($code, $msg, $hdr, $content) = @_; 165 my ($code, $msg, $hdr, $content) = @_;
… …
122 unless (defined $content) { 167 unless (defined $content) {
123 $content = "$code $msg"; 168 $content = "$code $msg";
124 $hdr->{"Content-Type"} = "text/plain"; 169 $hdr->{"Content-Type"} = "text/plain";
125 $hdr->{"Content-Length"} = length $content; 170 $hdr->{"Content-Length"} = length $content;
126 } 171 }
172 $hdr->{"Connection"} = "close";
127 173
128 $self->slog($msg) if $code;
129
130 $self->print_response($code, $msg, $hdr, $content); 174 $self->response($code, $msg, $hdr, $content);
131 175
132 die bless {}, err::; 176 die bless {}, err::;
133} 177}
134 178
179sub err_blocked {
180 my $self = shift;
181 my $ip = $self->{remote_addr};
182 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
183
184 Coro::Event::do_timer(after => 20*rand);
185
186 $self->err(401, "too many connections",
187 {
188 "Content-Type" => "text/html",
189 "Retry-After" => $::BLOCKTIME,
190 "Warning" => "Please do NOT retry, you have been blocked",
191 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
192 },
193 <<EOF);
194<html><p>
195You have been blocked because you opened too many connections. You
196may retry at</p>
197
198 <p><blockquote>$time.</blockquote></p>
199
200<p>Until then, each new access will renew the block. You might want to have a
201look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
202</html>
203EOF
204}
205
135sub handle { 206sub handle {
136 my $self = shift; 207 my $self = shift;
137 my $fh = $self->{fh}; 208 my $fh = $self->{fh};
138 209
210 $fh->timeout($::REQ_TIMEOUT);
139 #while() { 211 while() {
212 $self->{reqs}++;
213
214 # read request and parse first line
215 my $req = $fh->readline("\015\012\015\012");
216
217 unless (defined $req) {
218 if (exists $self->{version}) {
219 last;
220 } else {
221 $self->err(408, "request timeout");
222 }
223 }
224
140 $self->{h} = {}; 225 $self->{h} = {};
141 226
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); 227 $fh->timeout($::RES_TIMEOUT);
228 my $ip = $self->{remote_addr};
146 229
147 defined $req or 230 if ($blocked{$ip}) {
148 $self->err(408, "request timeout"); 231 $self->err_blocked($blocked{$ip})
232 if $blocked{$ip} > $::NOW;
233
234 delete $blocked{$ip};
235 }
236
237 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
238 $self->slog(2, "blocked ip $ip");
239 $self->err_blocked;
240 }
149 241
150 $req =~ /^(?:\015\012)? 242 $req =~ /^(?:\015\012)?
151 (GET|HEAD) \040+ 243 (GET|HEAD) \040+
152 ([^\040]+) \040+ 244 ([^\040]+) \040+
153 HTTP\/([0-9]+\.[0-9]+) 245 HTTP\/([0-9]+\.[0-9]+)
154 \015\012/gx 246 \015\012/gx
155 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 247 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");
159 248
160 $self->{method} = $1; 249 $self->{method} = $1;
161 $self->{uri} = $2; 250 $self->{uri} = $2;
251 $self->{version} = $3;
252
253 $3 =~ /^1\./
254 or $self->err(506, "http protocol version $3 not supported");
162 255
163 # parse headers 256 # parse headers
164 { 257 {
165 my (%hdr, $h, $v); 258 my (%hdr, $h, $v);
166 259
… …
179 while ($h, $v) = each %hdr; 272 while ($h, $v) = each %hdr;
180 } 273 }
181 274
182 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 275 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
183 276
277 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
278
184 $self->map_uri; 279 $self->map_uri;
185
186 Coro::Event::do_timer(after => 5);
187
188 $self->respond; 280 $self->respond;
281
282 $self->eoconn;
283
284 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
285
286 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
287 $fh->timeout($::PER_TIMEOUT);
189 #} 288 }
190} 289}
191 290
192# uri => path mapping 291# uri => path mapping
193sub map_uri { 292sub map_uri {
194 my $self = shift; 293 my $self = shift;
… …
206 305
207 $self->{name} = $uri; 306 $self->{name} = $uri;
208 307
209 # now do the path mapping 308 # now do the path mapping
210 $self->{path} = "$::DOCROOT/$host$uri"; 309 $self->{path} = "$::DOCROOT/$host$uri";
310
311 $self->access_check;
211} 312}
212 313
213sub server_address { 314sub server_address {
214 my $self = shift; 315 my $self = shift;
215 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 316 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
249 if (chdir $::DOCROOT) { 350 if (chdir $::DOCROOT) {
250 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 351 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
251 $ENV{HTTP_HOST} = $self->server_host; 352 $ENV{HTTP_HOST} = $self->server_host;
252 $ENV{HTTP_PORT} = $self->{server_host}; 353 $ENV{HTTP_PORT} = $self->{server_host};
253 $ENV{SCRIPT_NAME} = $self->{name}; 354 $ENV{SCRIPT_NAME} = $self->{name};
254 exec $::INDEXPROG; 355 exec $path;
255 } 356 }
256 Coro::State::_exit(0); 357 Coro::State::_exit(0);
257 } else { 358 } else {
258 } 359 }
259} 360}
… …
262 my $self = shift; 363 my $self = shift;
263 my $path = $self->{path}; 364 my $path = $self->{path};
264 365
265 stat $path 366 stat $path
266 or $self->err(404, "not found"); 367 or $self->err(404, "not found");
368
369 $self->{stat} = [stat _];
267 370
268 # idiotic netscape sends idiotic headers AGAIN 371 # idiotic netscape sends idiotic headers AGAIN
269 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 372 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
270 ? str2time $1 : 0; 373 ? str2time $1 : 0;
271 374
… …
274 if ($path !~ /\/$/) { 377 if ($path !~ /\/$/) {
275 # create a redirect to get the trailing "/" 378 # create a redirect to get the trailing "/"
276 my $host = $self->server_hostport; 379 my $host = $self->server_hostport;
277 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 380 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
278 } else { 381 } else {
279 $ims < (stat _)[9] 382 $ims < $self->{stat}[9]
280 or $self->err(304, "not modified"); 383 or $self->err(304, "not modified");
281 384
282 if ($self->{method} eq "GET") { 385 if ($self->{method} eq "GET") {
283 if (-r "$path/index.html") { 386 if (-r "$path/index.html") {
284 $self->{path} .= "/index.html"; 387 $self->{path} .= "/index.html";
… …
296 } 399 }
297} 400}
298 401
299sub handle_dir { 402sub handle_dir {
300 my $self = shift; 403 my $self = shift;
301 $self->_cgi($::INDEXPROG); 404 my $idx = $self->diridx;
405
406 $self->response(200, "ok",
407 {
408 "Content-Type" => "text/html",
409 "Content-Length" => length $idx,
410 },
411 $idx);
302} 412}
303 413
304sub handle_file { 414sub handle_file {
305 my $self = shift; 415 my $self = shift;
306 my $length = -s _; 416 my $length = -s _;
… …
322 goto ignore; 432 goto ignore;
323 } 433 }
324 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 434 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l;
325 } 435 }
326 $hdr->{"Content-Range"} = "bytes */$length"; 436 $hdr->{"Content-Range"} = "bytes */$length";
437 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")");
327 $self->err(416, "not satisfiable", $hdr); 438 $self->err(416, "not satisfiable", $hdr);
328 439
329satisfiable: 440satisfiable:
441 # check for segmented downloads
442 if ($l && $::NO_SEGMENTED) {
443 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
444 Coro::Event::do_timer(after => 15);
445
446 $self->err(400, "segmented downloads are not allowed");
447 }
448 }
449
330 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 450 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
331 @code = (206, "partial content"); 451 @code = (206, "partial content");
332 $length = $h - $l + 1; 452 $length = $h - $l + 1;
333 453
334ignore: 454ignore:
335 } else { 455 } else {
336 ($l, $h) = (0, $length - 1); 456 ($l, $h) = (0, $length - 1);
337 } 457 }
338 458
339 if ($self->{path} =~ /\.html$/) { 459 $self->{path} =~ /\.([^.]+)$/;
340 $hdr->{"Content-Type"} = "text/html";
341 } else {
342 $hdr->{"Content-Type"} = "application/octet-stream"; 460 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
343 }
344
345 $hdr->{"Content-Length"} = $length; 461 $hdr->{"Content-Length"} = $length;
346 462
347 $self->print_response(@code, $hdr, ""); 463 $self->response(@code, $hdr, "");
348 464
349 if ($self->{method} eq "GET") { 465 if ($self->{method} eq "GET") {
350 my ($fh, $buf); 466 my ($fh, $buf, $r);
467 my $current = $Coro::current;
351 open $fh, "<", $self->{path} 468 open $fh, "<", $self->{path}
352 or die "$self->{path}: late open failure ($!)"; 469 or die "$self->{path}: late open failure ($!)";
353 470
354 if ($l) {
355 sysseek $fh, $l, 0
356 or die "$self->{path}: cannot seek to $l ($!)";
357 }
358
359 $h -= $l - 1; 471 $h -= $l - 1;
360 472
473 if (0) {
474 if ($l) {
475 sysseek $fh, $l, 0;
476 }
477 }
478
361 while ($h > 0) { 479 while ($h > 0) {
362 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 480 if (0) {
363 print {$self->{fh}} $buf 481 sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
482 or last;
483 } else {
484 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
485 $buf, 0, sub {
486 $r = $_[0];
487 $current->ready;
488 $scheduler->now;
489 });
490 &Coro::schedule;
491 last unless $r;
492 }
493 my $w = $self->{fh}->syswrite($buf)
364 or last; 494 or last;
495 $::written += $w;
496 $self->{written} += $w;
497 $l += $r;
365 } 498 }
366 } 499 }
367 500
368 close $fh; 501 close $fh;
369} 502}

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