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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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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 1.16 by root, Tue Aug 14 19:38:25 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',
81 async => 1,
82 cb => \&Linux::AIO::poll_cb );
83
84Event->add_hooks(prepare => sub {
85 &Coro::cede while &Coro::nready;
86 1e6;
87});
88
77my %conn; # $conn{ip}{fh} => connobj 89our %conn; # $conn{ip}{fh} => connobj
90our %blocked;
91our %mimetype;
92
93sub read_mimetypes {
94 local *M;
95 if (open M, "<mime_types") {
96 while (<M>) {
97 if (/^([^#]\S+)\t+(\S+)$/) {
98 $mimetype{lc $1} = $2;
99 }
100 }
101 } else {
102 print "cannot open mime_types\n";
103 }
104}
105
106read_mimetypes;
78 107
79sub new { 108sub new {
80 my $class = shift; 109 my $class = shift;
110 my $peername = shift;
81 my $fh = shift; 111 my $fh = shift;
82 my $self = bless { fh => $fh }, $class; 112 my $self = bless { fh => $fh }, $class;
83 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 113 my (undef, $iaddr) = unpack_sockaddr_in $peername
84 or $self->err(500, "unable to get peername"); 114 or $self->err(500, "unable to decode peername");
115
85 $self->{remote_address} = inet_ntoa $iaddr; 116 $self->{remote_addr} = inet_ntoa $iaddr;
117 $self->{time} = $::NOW;
86 118
87 # enter ourselves into various lists 119 # enter ourselves into various lists
88 weaken ($conn{$self->{remote_address}}{$self*1} = $self); 120 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
89 print $self->{remote_address}.": ".($self*1)." > ".%{$conn{$self->{remote_address}}},"\n"; 121
122 $::conns++;
123
90 $self; 124 $self;
91} 125}
92 126
93sub DESTROY { 127sub DESTROY {
94 my $self = shift; 128 my $self = shift;
129
130 $::conns--;
131
95 delete $conn{$self->{remote_address}}{$self*1}; 132 delete $conn{$self->{remote_addr}}{$self*1};
133 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
96} 134}
97 135
98sub slog { 136sub slog {
99 main::slog(@_); 137 my $self = shift;
138 main::slog($_[0], "$self->{remote_addr}> $_[1]");
100} 139}
101 140
102sub print_response { 141sub response {
103 my ($self, $code, $msg, $hdr, $content) = @_; 142 my ($self, $code, $msg, $hdr, $content) = @_;
104 my $res = "HTTP/1.0 $code $msg\015\012"; 143 my $res = "HTTP/1.0 $code $msg\015\012";
105 144
106 $hdr->{Date} = time2str time; # slow? nah. 145 $res .= "Connection: close\015\012";
146 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
107 147
108 while (my ($h, $v) = each %$hdr) { 148 while (my ($h, $v) = each %$hdr) {
109 $res .= "$h: $v\015\012" 149 $res .= "$h: $v\015\012"
110 } 150 }
111 $res .= "\015\012$content" if defined $content; 151 $res .= "\015\012";
112 152
153 $res .= $content if defined $content and $self->{method} ne "HEAD";
154
113 print STDERR "$self->{remote_address} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 155 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
114 156
157 $self->{written} +=
115 print {$self->{fh}} $res; 158 print {$self->{fh}} $res;
116} 159}
117 160
118sub err { 161sub err {
119 my $self = shift; 162 my $self = shift;
120 my ($code, $msg, $hdr, $content) = @_; 163 my ($code, $msg, $hdr, $content) = @_;
… …
123 $content = "$code $msg"; 166 $content = "$code $msg";
124 $hdr->{"Content-Type"} = "text/plain"; 167 $hdr->{"Content-Type"} = "text/plain";
125 $hdr->{"Content-Length"} = length $content; 168 $hdr->{"Content-Length"} = length $content;
126 } 169 }
127 170
128 $self->slog($msg) if $code;
129
130 $self->print_response($code, $msg, $hdr, $content); 171 $self->response($code, $msg, $hdr, $content);
131 172
132 die bless {}, err::; 173 die bless {}, err::;
174}
175
176sub err_blocked {
177 my $self = shift;
178 my $ip = $self->{remote_addr};
179 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
180
181 Coro::Event::do_timer(after => 15);
182
183 $self->err(401, "too many connections",
184 {
185 "Content-Type" => "text/html",
186 "Retry-After" => $::BLOCKTIME
187 },
188 <<EOF);
189<html><p>
190You have been blocked because you opened too many connections. You
191may retry at</p>
192
193 <p><blockquote>$time.</blockquote></p>
194
195<p>Until then, each new access will renew the block. You might want to have a
196look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
197</html>
198EOF
133} 199}
134 200
135sub handle { 201sub handle {
136 my $self = shift; 202 my $self = shift;
137 my $fh = $self->{fh}; 203 my $fh = $self->{fh};
… …
144 my $req = $fh->readline("\015\012\015\012"); 210 my $req = $fh->readline("\015\012\015\012");
145 $fh->timeout($::RES_TIMEOUT); 211 $fh->timeout($::RES_TIMEOUT);
146 212
147 defined $req or 213 defined $req or
148 $self->err(408, "request timeout"); 214 $self->err(408, "request timeout");
215
216 my $ip = $self->{remote_addr};
217
218 if ($blocked{$ip}) {
219 $self->err_blocked($blocked{$ip})
220 if $blocked{$ip} > $::NOW;
221
222 delete $blocked{$ip};
223 }
224
225 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
226 $self->slog(2, "blocked ip $ip");
227 $self->err_blocked;
228 }
149 229
150 $req =~ /^(?:\015\012)? 230 $req =~ /^(?:\015\012)?
151 (GET|HEAD) \040+ 231 (GET|HEAD) \040+
152 ([^\040]+) \040+ 232 ([^\040]+) \040+
153 HTTP\/([0-9]+\.[0-9]+) 233 HTTP\/([0-9]+\.[0-9]+)
154 \015\012/gx 234 \015\012/gx
155 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 235 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
156 236
157 $2 ne "1.0" 237 $2 ne "1.0"
158 or $self->err(506, "http protocol version not supported"); 238 or $self->err(506, "http protocol version not supported");
159 239
160 $self->{method} = $1; 240 $self->{method} = $1;
… …
179 while ($h, $v) = each %hdr; 259 while ($h, $v) = each %hdr;
180 } 260 }
181 261
182 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 262 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
183 263
264 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
265
184 $self->map_uri; 266 $self->map_uri;
185
186 Coro::Event::do_timer(after => 5);
187
188 $self->respond; 267 $self->respond;
189 #} 268 #}
190} 269}
191 270
192# uri => path mapping 271# uri => path mapping
… …
206 285
207 $self->{name} = $uri; 286 $self->{name} = $uri;
208 287
209 # now do the path mapping 288 # now do the path mapping
210 $self->{path} = "$::DOCROOT/$host$uri"; 289 $self->{path} = "$::DOCROOT/$host$uri";
290
291 $self->access_check;
211} 292}
212 293
213sub server_address { 294sub server_address {
214 my $self = shift; 295 my $self = shift;
215 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 296 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
249 if (chdir $::DOCROOT) { 330 if (chdir $::DOCROOT) {
250 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 331 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
251 $ENV{HTTP_HOST} = $self->server_host; 332 $ENV{HTTP_HOST} = $self->server_host;
252 $ENV{HTTP_PORT} = $self->{server_host}; 333 $ENV{HTTP_PORT} = $self->{server_host};
253 $ENV{SCRIPT_NAME} = $self->{name}; 334 $ENV{SCRIPT_NAME} = $self->{name};
254 exec $::INDEXPROG; 335 exec $path;
255 } 336 }
256 Coro::State::_exit(0); 337 Coro::State::_exit(0);
257 } else { 338 } else {
258 } 339 }
259} 340}
… …
262 my $self = shift; 343 my $self = shift;
263 my $path = $self->{path}; 344 my $path = $self->{path};
264 345
265 stat $path 346 stat $path
266 or $self->err(404, "not found"); 347 or $self->err(404, "not found");
348
349 $self->{stat} = [stat _];
267 350
268 # idiotic netscape sends idiotic headers AGAIN 351 # idiotic netscape sends idiotic headers AGAIN
269 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 352 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
270 ? str2time $1 : 0; 353 ? str2time $1 : 0;
271 354
… …
274 if ($path !~ /\/$/) { 357 if ($path !~ /\/$/) {
275 # create a redirect to get the trailing "/" 358 # create a redirect to get the trailing "/"
276 my $host = $self->server_hostport; 359 my $host = $self->server_hostport;
277 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 360 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
278 } else { 361 } else {
279 $ims < (stat _)[9] 362 $ims < $self->{stat}[9]
280 or $self->err(304, "not modified"); 363 or $self->err(304, "not modified");
281 364
282 if ($self->{method} eq "GET") { 365 if ($self->{method} eq "GET") {
283 if (-r "$path/index.html") { 366 if (-r "$path/index.html") {
284 $self->{path} .= "/index.html"; 367 $self->{path} .= "/index.html";
… …
296 } 379 }
297} 380}
298 381
299sub handle_dir { 382sub handle_dir {
300 my $self = shift; 383 my $self = shift;
301 $self->_cgi($::INDEXPROG); 384 my $idx = $self->diridx;
385
386 $self->response(200, "ok",
387 {
388 "Content-Type" => "text/html",
389 "Content-Length" => length $idx,
390 },
391 $idx);
302} 392}
303 393
304sub handle_file { 394sub handle_file {
305 my $self = shift; 395 my $self = shift;
306 my $length = -s _; 396 my $length = -s _;
… …
325 } 415 }
326 $hdr->{"Content-Range"} = "bytes */$length"; 416 $hdr->{"Content-Range"} = "bytes */$length";
327 $self->err(416, "not satisfiable", $hdr); 417 $self->err(416, "not satisfiable", $hdr);
328 418
329satisfiable: 419satisfiable:
420 # check for segmented downloads
421 if ($l && $::NO_SEGMENTED) {
422 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
423 Coro::Event::do_timer(after => 15);
424
425 $self->err(400, "segmented downloads are not allowed");
426 }
427 }
428
330 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 429 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
331 @code = (206, "partial content"); 430 @code = (206, "partial content");
332 $length = $h - $l + 1; 431 $length = $h - $l + 1;
333 432
334ignore: 433ignore:
335 } else { 434 } else {
336 ($l, $h) = (0, $length - 1); 435 ($l, $h) = (0, $length - 1);
337 } 436 }
338 437
339 if ($self->{path} =~ /\.html$/) { 438 $self->{path} =~ /\.([^.]+)$/;
340 $hdr->{"Content-Type"} = "text/html";
341 } else {
342 $hdr->{"Content-Type"} = "application/octet-stream"; 439 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
343 }
344
345 $hdr->{"Content-Length"} = $length; 440 $hdr->{"Content-Length"} = $length;
346 441
347 $self->print_response(@code, $hdr, ""); 442 $self->response(@code, $hdr, "");
348 443
349 if ($self->{method} eq "GET") { 444 if ($self->{method} eq "GET") {
350 my ($fh, $buf); 445 my ($fh, $buf, $r);
446 my $current = $Coro::current;
351 open $fh, "<", $self->{path} 447 open $fh, "<", $self->{path}
352 or die "$self->{path}: late open failure ($!)"; 448 or die "$self->{path}: late open failure ($!)";
353 449
354 if ($l) {
355 sysseek $fh, $l, 0
356 or die "$self->{path}: cannot seek to $l ($!)";
357 }
358
359 $h -= $l - 1; 450 $h -= $l - 1;
360 451
361 while ($h > 0) { 452 while ($h > 0) {
362 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 453 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
363 print {$self->{fh}} $buf 454 $buf, 0, sub {
455 $r = $_[0];
456 $current->ready;
457 });
458 &Coro::schedule;
459 last unless $r;
460 my $w = $self->{fh}->syswrite($buf)
364 or last; 461 or last;
462 $::written += $w;
463 $self->{written} += $w;
464 $l += $r;
365 } 465 }
366 } 466 }
367 467
368 close $fh; 468 close $fh;
369} 469}

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