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/cvs/Coro/myhttpd/httpd.pl
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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.5 by root, Fri Aug 10 15:58:04 2001 UTC vs.
Revision 1.15 by root, Tue Aug 14 02:28:51 2001 UTC

… …
18 printf "---: $format\n", @_; 18 printf "---: $format\n", @_;
19} 19}
20 20
21my $connections = new Coro::Semaphore $MAX_CONNECTS; 21my $connections = new Coro::Semaphore $MAX_CONNECTS;
22 22
23my @fh; 23my @newcons;
24my @pool; 24my @pool;
25 25
26# one "execution thread" 26# one "execution thread"
27sub handler { 27sub handler {
28 while () { 28 while () {
29 my $fh = pop @fh; 29 my $new = pop @newcons;
30 if ($fh) { 30 if ($new) {
31 eval { 31 eval {
32 conn->new($fh)->handle; 32 conn->new(@$new)->handle;
33 }; 33 };
34 close $fh;
35 slog 1, "$@" if $@ && !ref $@; 34 slog 1, "$@" if $@ && !ref $@;
36 $connections->up; 35 $connections->up;
37 } else { 36 } else {
38 last if @pool >= $MAX_POOL; 37 last if @pool >= $MAX_POOL;
39 push @pool, $Coro::current; 38 push @pool, $Coro::current;
… …
44 43
45my $http_port = new Coro::Socket 44my $http_port = new Coro::Socket
46 LocalAddr => $SERVER_HOST, 45 LocalAddr => $SERVER_HOST,
47 LocalPort => $SERVER_PORT, 46 LocalPort => $SERVER_PORT,
48 ReuseAddr => 1, 47 ReuseAddr => 1,
49 Listen => 1, 48 Listen => 50,
50 or die "unable to start server"; 49 or die "unable to start server";
51 50
52push @listen_sockets, $http_port; 51push @listen_sockets, $http_port;
53 52
54# the "main thread" 53# the "main thread"
55async { 54async {
56 slog 1, "accepting connections"; 55 slog 1, "accepting connections";
57 while () { 56 while () {
58 $connections->down; 57 $connections->down;
59 push @fh, $http_port->accept; 58 push @newcons, [$http_port->accept];
60 #slog 3, "accepted @$connections ".scalar(@pool); 59 #slog 3, "accepted @$connections ".scalar(@pool);
61 $::NOW = time; 60 $::NOW = time;
62 if (@pool) { 61 if (@pool) {
63 (pop @pool)->ready; 62 (pop @pool)->ready;
64 } else { 63 } else {
… …
74use HTTP::Date; 73use HTTP::Date;
75use Convert::Scalar 'weaken'; 74use Convert::Scalar 'weaken';
76 75
77our %conn; # $conn{ip}{fh} => connobj 76our %conn; # $conn{ip}{fh} => connobj
78our %blocked; 77our %blocked;
78our %mimetype;
79
80sub read_mimetypes {
81 local *M;
82 if (open M, "<mime_types") {
83 while (<M>) {
84 if (/^([^#]\S+)\t+(\S+)$/) {
85 $mimetype{lc $1} = $2;
86 }
87 }
88 } else {
89 print "cannot open mime_types\n";
90 }
91}
92
93read_mimetypes;
79 94
80sub new { 95sub new {
81 my $class = shift; 96 my $class = shift;
97 my $peername = shift;
82 my $fh = shift; 98 my $fh = shift;
83 my $self = bless { fh => $fh }, $class; 99 my $self = bless { fh => $fh }, $class;
84 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 100 my (undef, $iaddr) = unpack_sockaddr_in $peername
85 or $self->err(500, "unable to get peername"); 101 or $self->err(500, "unable to decode peername");
102
86 $self->{remote_addr} = inet_ntoa $iaddr; 103 $self->{remote_addr} = inet_ntoa $iaddr;
104 $self->{time} = $::NOW;
87 105
88 # enter ourselves into various lists 106 # enter ourselves into various lists
89 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 107 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
90 108
109 $::conns++;
110
91 $self; 111 $self;
92} 112}
93 113
94sub DESTROY { 114sub DESTROY {
95 my $self = shift; 115 my $self = shift;
116
117 $::conns--;
118
96 delete $conn{$self->{remote_addr}}{$self*1}; 119 delete $conn{$self->{remote_addr}}{$self*1};
97 delete $uri{$self->{uri}}{$self*1}; 120 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
98} 121}
99 122
100sub slog { 123sub slog {
101 my $self = shift; 124 my $self = shift;
102 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 125 main::slog($_[0], "$self->{remote_addr}> $_[1]");
… …
110 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 133 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 134
112 while (my ($h, $v) = each %$hdr) { 135 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 136 $res .= "$h: $v\015\012"
114 } 137 }
138 $res .= "\015\012";
115 139
116 $res .= "\015\012$content" if defined $content; 140 $res .= $content if defined $content and $self->{method} ne "HEAD";
117 141
118 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 142 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
119 143
144 $self->{written} +=
120 print {$self->{fh}} $res; 145 print {$self->{fh}} $res;
121} 146}
122 147
123sub err { 148sub err {
124 my $self = shift; 149 my $self = shift;
125 my ($code, $msg, $hdr, $content) = @_; 150 my ($code, $msg, $hdr, $content) = @_;
… …
137 162
138sub err_blocked { 163sub err_blocked {
139 my $self = shift; 164 my $self = shift;
140 my $ip = $self->{remote_addr}; 165 my $ip = $self->{remote_addr};
141 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 166 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
167
168 Coro::Event::do_timer(after => 15);
169
142 $self->err(403, "too many connections", 170 $self->err(401, "too many connections",
143 { 171 {
144 "Content-Type" => "text/html", 172 "Content-Type" => "text/html",
145 "Retry-After" => $::BLOCKTIME 173 "Retry-After" => $::BLOCKTIME
146 }, 174 },
147 <<EOF); 175 <<EOF);
… …
180 208
181 delete $blocked{$ip}; 209 delete $blocked{$ip};
182 } 210 }
183 211
184 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 212 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
185 $self->slog("blocked ip $ip"); 213 $self->slog(2, "blocked ip $ip");
186 $self->err_blocked; 214 $self->err_blocked;
187 } 215 }
188 216
189 $req =~ /^(?:\015\012)? 217 $req =~ /^(?:\015\012)?
190 (GET|HEAD) \040+ 218 (GET|HEAD) \040+
191 ([^\040]+) \040+ 219 ([^\040]+) \040+
192 HTTP\/([0-9]+\.[0-9]+) 220 HTTP\/([0-9]+\.[0-9]+)
193 \015\012/gx 221 \015\012/gx
194 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 222 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
195 223
196 $2 ne "1.0" 224 $2 ne "1.0"
197 or $self->err(506, "http protocol version not supported"); 225 or $self->err(506, "http protocol version not supported");
198 226
199 $self->{method} = $1; 227 $self->{method} = $1;
… …
218 while ($h, $v) = each %hdr; 246 while ($h, $v) = each %hdr;
219 } 247 }
220 248
221 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 249 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
222 250
223 weaken ($uri{$self->{uri}}{$self*1} = $self); 251 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
224 252
225 $self->map_uri; 253 $self->map_uri;
226 $self->respond; 254 $self->respond;
227 #} 255 #}
228} 256}
… …
244 272
245 $self->{name} = $uri; 273 $self->{name} = $uri;
246 274
247 # now do the path mapping 275 # now do the path mapping
248 $self->{path} = "$::DOCROOT/$host$uri"; 276 $self->{path} = "$::DOCROOT/$host$uri";
277
278 $self->access_check;
249} 279}
250 280
251sub server_address { 281sub server_address {
252 my $self = shift; 282 my $self = shift;
253 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 283 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
287 if (chdir $::DOCROOT) { 317 if (chdir $::DOCROOT) {
288 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 318 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
289 $ENV{HTTP_HOST} = $self->server_host; 319 $ENV{HTTP_HOST} = $self->server_host;
290 $ENV{HTTP_PORT} = $self->{server_host}; 320 $ENV{HTTP_PORT} = $self->{server_host};
291 $ENV{SCRIPT_NAME} = $self->{name}; 321 $ENV{SCRIPT_NAME} = $self->{name};
292 exec $::INDEXPROG; 322 exec $path;
293 } 323 }
294 Coro::State::_exit(0); 324 Coro::State::_exit(0);
295 } else { 325 } else {
296 } 326 }
297} 327}
… …
300 my $self = shift; 330 my $self = shift;
301 my $path = $self->{path}; 331 my $path = $self->{path};
302 332
303 stat $path 333 stat $path
304 or $self->err(404, "not found"); 334 or $self->err(404, "not found");
335
336 $self->{stat} = [stat _];
305 337
306 # idiotic netscape sends idiotic headers AGAIN 338 # idiotic netscape sends idiotic headers AGAIN
307 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 339 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
308 ? str2time $1 : 0; 340 ? str2time $1 : 0;
309 341
… …
312 if ($path !~ /\/$/) { 344 if ($path !~ /\/$/) {
313 # create a redirect to get the trailing "/" 345 # create a redirect to get the trailing "/"
314 my $host = $self->server_hostport; 346 my $host = $self->server_hostport;
315 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 347 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
316 } else { 348 } else {
317 $ims < (stat _)[9] 349 $ims < $self->{stat}[9]
318 or $self->err(304, "not modified"); 350 or $self->err(304, "not modified");
319 351
320 if ($self->{method} eq "GET") { 352 if ($self->{method} eq "GET") {
321 if (-r "$path/index.html") { 353 if (-r "$path/index.html") {
322 $self->{path} .= "/index.html"; 354 $self->{path} .= "/index.html";
… …
334 } 366 }
335} 367}
336 368
337sub handle_dir { 369sub handle_dir {
338 my $self = shift; 370 my $self = shift;
339 $self->_cgi($::INDEXPROG); 371 my $idx = $self->diridx;
372
373 $self->response(200, "ok",
374 {
375 "Content-Type" => "text/html",
376 "Content-Length" => length $idx,
377 },
378 $idx);
340} 379}
341 380
342sub handle_file { 381sub handle_file {
343 my $self = shift; 382 my $self = shift;
344 my $length = -s _; 383 my $length = -s _;
… …
364 $hdr->{"Content-Range"} = "bytes */$length"; 403 $hdr->{"Content-Range"} = "bytes */$length";
365 $self->err(416, "not satisfiable", $hdr); 404 $self->err(416, "not satisfiable", $hdr);
366 405
367satisfiable: 406satisfiable:
368 # check for segmented downloads 407 # check for segmented downloads
369 if ($l && $NO_SEGMENTED) { 408 if ($l && $::NO_SEGMENTED) {
370 if (%{$uri{$self->{uri}}} > 1) { 409 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
371 $self->slog("segmented download refused\n"); 410 Coro::Event::do_timer(after => 15);
411
372 $self->err(400, "segmented downloads are not allowed"); 412 $self->err(400, "segmented downloads are not allowed");
373 } 413 }
374 } 414 }
375 415
376 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 416 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
… …
380ignore: 420ignore:
381 } else { 421 } else {
382 ($l, $h) = (0, $length - 1); 422 ($l, $h) = (0, $length - 1);
383 } 423 }
384 424
385 if ($self->{path} =~ /\.html$/) { 425 $self->{path} =~ /\.([^.]+)$/;
386 $hdr->{"Content-Type"} = "text/html";
387 } else {
388 $hdr->{"Content-Type"} = "application/octet-stream"; 426 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
389 }
390
391 $hdr->{"Content-Length"} = $length; 427 $hdr->{"Content-Length"} = $length;
392 428
393 $self->response(@code, $hdr, ""); 429 $self->response(@code, $hdr, "");
394 430
395 if ($self->{method} eq "GET") { 431 if ($self->{method} eq "GET") {
… …
404 440
405 $h -= $l - 1; 441 $h -= $l - 1;
406 442
407 while ($h > 0) { 443 while ($h > 0) {
408 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 444 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h;
409 $self->{fh}->syswrite($buf) 445 my $w = $self->{fh}->syswrite($buf)
410 or last; 446 or last;
447 $::written += $w;
448 $self->{written} += $w;
411 } 449 }
412 } 450 }
413 451
414 close $fh; 452 close $fh;
415} 453}

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