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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 1.12 by root, Sat Aug 11 23:10:56 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 => 1,
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';
77 75
78our %conn; # $conn{ip}{fh} => connobj 76our %conn; # $conn{ip}{fh} => connobj
79our %blocked; 77our %blocked;
78our %mimetype;
79
80sub read_mimetypes {
81 local *M;
82 if (open M, "<mime_types") {
83 while (<M>) {
84 if (/^([^#]\S+)\t+(\S+)$/) {
85 $mimetype{lc $1} = $2;
86 }
87 }
88 } else {
89 print "cannot open mime_types\n";
90 }
91}
92
93read_mimetypes;
80 94
81sub new { 95sub new {
82 my $class = shift; 96 my $class = shift;
97 my $peername = shift;
83 my $fh = shift; 98 my $fh = shift;
84 my $self = bless { fh => $fh }, $class; 99 my $self = bless { fh => $fh }, $class;
85 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 100 my (undef, $iaddr) = unpack_sockaddr_in $peername
86 or $self->err(500, "unable to get peername"); 101 or $self->err(500, "unable to decode peername");
102
87 $self->{remote_addr} = inet_ntoa $iaddr; 103 $self->{remote_addr} = inet_ntoa $iaddr;
104 $self->{time} = $::NOW;
88 105
89 # enter ourselves into various lists 106 # enter ourselves into various lists
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 107 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 108
92 print "$self->{remote_addr}: ".($self*1)." > ".%{$conn{$self->{remote_addr}}},"\n";
93 $self; 109 $self;
94} 110}
95 111
96sub DESTROY { 112sub DESTROY {
97 my $self = shift; 113 my $self = shift;
98 delete $conn{$self->{remote_addr}}{$self*1}; 114 delete $conn{$self->{remote_addr}}{$self*1};
99 delete $uri{$self->{uri}}{$self*1}; 115 delete $uri{$self->{uri}}{$self*1};
100} 116}
101 117
102sub slog { 118sub slog {
103 main::slog(@_); 119 my $self = shift;
120 main::slog($_[0], "$self->{remote_addr}> $_[1]");
104} 121}
105 122
106sub print_response { 123sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 124 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 125 my $res = "HTTP/1.0 $code $msg\015\012";
109 126
110 $hdr->{Date} = time2str $::NOW; # slow? nah. 127 $res .= "Connection: close\015\012";
128 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 129
112 while (my ($h, $v) = each %$hdr) { 130 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 131 $res .= "$h: $v\015\012"
114 } 132 }
115 $res .= "\015\012$content" if defined $content; 133 $res .= "\015\012";
134
135 $res .= $content if defined $content and $self->{method} eq "GET";
116 136
117 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 137 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
118 138
139 $self->{written} +=
119 print {$self->{fh}} $res; 140 print {$self->{fh}} $res;
120} 141}
121 142
122sub err { 143sub err {
123 my $self = shift; 144 my $self = shift;
124 my ($code, $msg, $hdr, $content) = @_; 145 my ($code, $msg, $hdr, $content) = @_;
… …
127 $content = "$code $msg"; 148 $content = "$code $msg";
128 $hdr->{"Content-Type"} = "text/plain"; 149 $hdr->{"Content-Type"} = "text/plain";
129 $hdr->{"Content-Length"} = length $content; 150 $hdr->{"Content-Length"} = length $content;
130 } 151 }
131 152
132 $self->slog($msg) if $code;
133
134 $self->print_response($code, $msg, $hdr, $content); 153 $self->response($code, $msg, $hdr, $content);
135 154
136 die bless {}, err::; 155 die bless {}, err::;
137} 156}
138 157
139sub err_blocked { 158sub err_blocked {
140 my $self = shift; 159 my $self = shift;
141 my $ip = $self->{remote_addr}; 160 my $ip = $self->{remote_addr};
142 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 161 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
162
163 Coro::Event::do_timer(after => 5);
164
143 $self->err(403, "too many connections", 165 $self->err(403, "too many connections",
166 {
167 "Content-Type" => "text/html",
144 { "Retry-After" => $::BLOCKTIME }, 168 "Retry-After" => $::BLOCKTIME
169 },
145 <<EOF); 170 <<EOF);
171<html><p>
146You have been blocked because you opened too many connections. You 172You have been blocked because you opened too many connections. You
147may retry at $time. Until then, 173may retry at</p>
148every new access will renew the block. 174
175 <p><blockquote>$time.</blockquote></p>
176
177<p>Until then, each new access will renew the block. You might want to have a
178look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
179</html>
149EOF 180EOF
150} 181}
151 182
152sub handle { 183sub handle {
153 my $self = shift; 184 my $self = shift;
… …
172 203
173 delete $blocked{$ip}; 204 delete $blocked{$ip};
174 } 205 }
175 206
176 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 207 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
177 $self->slog("blocked ip $ip"); 208 $self->slog(2, "blocked ip $ip");
178 $self->err_blocked; 209 $self->err_blocked;
179 } 210 }
180 211
181 $req =~ /^(?:\015\012)? 212 $req =~ /^(?:\015\012)?
182 (GET|HEAD) \040+ 213 (GET|HEAD) \040+
… …
213 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 244 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
214 245
215 weaken ($uri{$self->{uri}}{$self*1} = $self); 246 weaken ($uri{$self->{uri}}{$self*1} = $self);
216 247
217 $self->map_uri; 248 $self->map_uri;
218
219 Coro::Event::do_timer(after => 5);
220
221 $self->respond; 249 $self->respond;
222 #} 250 #}
223} 251}
224 252
225# uri => path mapping 253# uri => path mapping
… …
239 267
240 $self->{name} = $uri; 268 $self->{name} = $uri;
241 269
242 # now do the path mapping 270 # now do the path mapping
243 $self->{path} = "$::DOCROOT/$host$uri"; 271 $self->{path} = "$::DOCROOT/$host$uri";
272
273 $self->access_check;
244} 274}
245 275
246sub server_address { 276sub server_address {
247 my $self = shift; 277 my $self = shift;
248 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 278 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
282 if (chdir $::DOCROOT) { 312 if (chdir $::DOCROOT) {
283 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 313 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
284 $ENV{HTTP_HOST} = $self->server_host; 314 $ENV{HTTP_HOST} = $self->server_host;
285 $ENV{HTTP_PORT} = $self->{server_host}; 315 $ENV{HTTP_PORT} = $self->{server_host};
286 $ENV{SCRIPT_NAME} = $self->{name}; 316 $ENV{SCRIPT_NAME} = $self->{name};
287 exec $::INDEXPROG; 317 exec $path;
288 } 318 }
289 Coro::State::_exit(0); 319 Coro::State::_exit(0);
290 } else { 320 } else {
291 } 321 }
292} 322}
… …
295 my $self = shift; 325 my $self = shift;
296 my $path = $self->{path}; 326 my $path = $self->{path};
297 327
298 stat $path 328 stat $path
299 or $self->err(404, "not found"); 329 or $self->err(404, "not found");
330
331 $self->{stat} = [stat _];
300 332
301 # idiotic netscape sends idiotic headers AGAIN 333 # idiotic netscape sends idiotic headers AGAIN
302 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 334 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
303 ? str2time $1 : 0; 335 ? str2time $1 : 0;
304 336
… …
307 if ($path !~ /\/$/) { 339 if ($path !~ /\/$/) {
308 # create a redirect to get the trailing "/" 340 # create a redirect to get the trailing "/"
309 my $host = $self->server_hostport; 341 my $host = $self->server_hostport;
310 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 342 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
311 } else { 343 } else {
312 $ims < (stat _)[9] 344 $ims < $self->{stat}[9]
313 or $self->err(304, "not modified"); 345 or $self->err(304, "not modified");
314 346
315 if ($self->{method} eq "GET") { 347 if ($self->{method} eq "GET") {
316 if (-r "$path/index.html") { 348 if (-r "$path/index.html") {
317 $self->{path} .= "/index.html"; 349 $self->{path} .= "/index.html";
… …
329 } 361 }
330} 362}
331 363
332sub handle_dir { 364sub handle_dir {
333 my $self = shift; 365 my $self = shift;
334 $self->_cgi($::INDEXPROG); 366 my $idx = $self->diridx;
367
368 $self->response(200, "ok",
369 {
370 "Content-Type" => "text/html",
371 "Content-Length" => length $idx,
372 },
373 $idx);
335} 374}
336 375
337sub handle_file { 376sub handle_file {
338 my $self = shift; 377 my $self = shift;
339 my $length = -s _; 378 my $length = -s _;
… …
358 } 397 }
359 $hdr->{"Content-Range"} = "bytes */$length"; 398 $hdr->{"Content-Range"} = "bytes */$length";
360 $self->err(416, "not satisfiable", $hdr); 399 $self->err(416, "not satisfiable", $hdr);
361 400
362satisfiable: 401satisfiable:
402 # check for segmented downloads
403 if ($l && $::NO_SEGMENTED) {
404 if (%{$uri{$self->{uri}}} > 1) {
405 $self->err(400, "segmented downloads are not allowed");
406 }
407 }
408
363 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 409 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
364 @code = (206, "partial content"); 410 @code = (206, "partial content");
365 $length = $h - $l + 1; 411 $length = $h - $l + 1;
366 412
367ignore: 413ignore:
368 } else { 414 } else {
369 ($l, $h) = (0, $length - 1); 415 ($l, $h) = (0, $length - 1);
370 } 416 }
371 417
372 if ($self->{path} =~ /\.html$/) { 418 $self->{path} =~ /\.([^.]+)$/;
373 $hdr->{"Content-Type"} = "text/html";
374 } else {
375 $hdr->{"Content-Type"} = "application/octet-stream"; 419 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
376 }
377
378 $hdr->{"Content-Length"} = $length; 420 $hdr->{"Content-Length"} = $length;
379 421
380 $self->print_response(@code, $hdr, ""); 422 $self->response(@code, $hdr, "");
381 423
382 if ($self->{method} eq "GET") { 424 if ($self->{method} eq "GET") {
383 my ($fh, $buf); 425 my ($fh, $buf);
384 open $fh, "<", $self->{path} 426 open $fh, "<", $self->{path}
385 or die "$self->{path}: late open failure ($!)"; 427 or die "$self->{path}: late open failure ($!)";
… …
390 } 432 }
391 433
392 $h -= $l - 1; 434 $h -= $l - 1;
393 435
394 while ($h > 0) { 436 while ($h > 0) {
395 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 437 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h;
396 print {$self->{fh}} $buf 438 my $w = $self->{fh}->syswrite($buf)
397 or last; 439 or last;
440 $::written += $w;
441 $self->{written} += $w;
398 } 442 }
399 } 443 }
400 444
401 close $fh; 445 close $fh;
402} 446}

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