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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.4 by root, Fri Aug 10 04:16:41 2001 UTC vs.
Revision 1.18 by root, Wed Aug 15 03:13:36 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 {
… …
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
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 );
76 82
77our %conn; # $conn{ip}{fh} => connobj 83our %conn; # $conn{ip}{fh} => connobj
78our %blocked; 84our %blocked;
85our %mimetype;
86
87sub read_mimetypes {
88 local *M;
89 if (open M, "<mime_types") {
90 while (<M>) {
91 if (/^([^#]\S+)\t+(\S+)$/) {
92 $mimetype{lc $1} = $2;
93 }
94 }
95 } else {
96 print "cannot open mime_types\n";
97 }
98}
99
100read_mimetypes;
79 101
80sub new { 102sub new {
81 my $class = shift; 103 my $class = shift;
104 my $peername = shift;
82 my $fh = shift; 105 my $fh = shift;
83 my $self = bless { fh => $fh }, $class; 106 my $self = bless { fh => $fh }, $class;
84 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 107 my (undef, $iaddr) = unpack_sockaddr_in $peername
85 or $self->err(500, "unable to get peername"); 108 or $self->err(500, "unable to decode peername");
109
86 $self->{remote_addr} = inet_ntoa $iaddr; 110 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW;
87 112
88 # enter ourselves into various lists 113 # enter ourselves into various lists
89 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
90 115
116 $::conns++;
117
91 $self; 118 $self;
92} 119}
93 120
94sub DESTROY { 121sub DESTROY {
95 my $self = shift; 122 my $self = shift;
123
124 $::conns--;
125
96 delete $conn{$self->{remote_addr}}{$self*1}; 126 delete $conn{$self->{remote_addr}}{$self*1};
97 delete $uri{$self->{uri}}{$self*1}; 127 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
98} 128}
99 129
100sub slog { 130sub slog {
101 my $self = shift; 131 my $self = shift;
102 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 132 main::slog($_[0], "$self->{remote_addr}> $_[1]");
103} 133}
104 134
105sub response { 135sub response {
106 my ($self, $code, $msg, $hdr, $content) = @_; 136 my ($self, $code, $msg, $hdr, $content) = @_;
107 my $res = "HTTP/1.0 $code $msg\015\012"; 137 my $res = "HTTP/1.1 $code $msg\015\012";
108 138
109 $res .= "Connection: close\015\012"; 139 #$res .= "Connection: close\015\012";
110 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 140 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
111 141
112 while (my ($h, $v) = each %$hdr) { 142 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 143 $res .= "$h: $v\015\012"
114 } 144 }
145 $res .= "\015\012";
115 146
116 $res .= "\015\012$content" if defined $content; 147 $res .= $content if defined $content and $self->{method} ne "HEAD";
117 148
118 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 149 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
119 150
151 $self->{written} +=
120 print {$self->{fh}} $res; 152 print {$self->{fh}} $res;
121} 153}
122 154
123sub err { 155sub err {
124 my $self = shift; 156 my $self = shift;
125 my ($code, $msg, $hdr, $content) = @_; 157 my ($code, $msg, $hdr, $content) = @_;
… …
127 unless (defined $content) { 159 unless (defined $content) {
128 $content = "$code $msg"; 160 $content = "$code $msg";
129 $hdr->{"Content-Type"} = "text/plain"; 161 $hdr->{"Content-Type"} = "text/plain";
130 $hdr->{"Content-Length"} = length $content; 162 $hdr->{"Content-Length"} = length $content;
131 } 163 }
164 $hdr->{"Connection"} = "close";
132 165
133 $self->response($code, $msg, $hdr, $content); 166 $self->response($code, $msg, $hdr, $content);
134 167
135 die bless {}, err::; 168 die bless {}, err::;
136} 169}
137 170
138sub err_blocked { 171sub err_blocked {
139 my $self = shift; 172 my $self = shift;
140 my $ip = $self->{remote_addr}; 173 my $ip = $self->{remote_addr};
141 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 174 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
175
176 Coro::Event::do_timer(after => 15);
177
142 $self->err(403, "too many connections", 178 $self->err(401, "too many connections",
143 { 179 {
144 "Content-Type" => "text/html", 180 "Content-Type" => "text/html",
145 "Retry-After" => $::BLOCKTIME 181 "Retry-After" => $::BLOCKTIME
146 }, 182 },
147 <<EOF); 183 <<EOF);
… …
159 195
160sub handle { 196sub handle {
161 my $self = shift; 197 my $self = shift;
162 my $fh = $self->{fh}; 198 my $fh = $self->{fh};
163 199
200 $fh->timeout($::REQ_TIMEOUT);
164 #while() { 201 while() {
202 $self->{reqs}++;
203
204 # read request and parse first line
205 my $req = $fh->readline("\015\012\015\012");
206
207 unless (defined $req) {
208 if (exists $self->{version}) {
209 last;
210 } else {
211 $self->err(408, "request timeout");
212 }
213 }
214
165 $self->{h} = {}; 215 $self->{h} = {};
166 216
167 # read request and parse first line
168 $fh->timeout($::REQ_TIMEOUT);
169 my $req = $fh->readline("\015\012\015\012");
170 $fh->timeout($::RES_TIMEOUT); 217 $fh->timeout($::RES_TIMEOUT);
171
172 defined $req or
173 $self->err(408, "request timeout");
174
175 my $ip = $self->{remote_addr}; 218 my $ip = $self->{remote_addr};
176 219
177 if ($blocked{$ip}) { 220 if ($blocked{$ip}) {
178 $self->err_blocked($blocked{$ip}) 221 $self->err_blocked($blocked{$ip})
179 if $blocked{$ip} > $::NOW; 222 if $blocked{$ip} > $::NOW;
180 223
181 delete $blocked{$ip}; 224 delete $blocked{$ip};
182 } 225 }
183 226
184 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 227 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
185 $self->slog("blocked ip $ip"); 228 $self->slog(2, "blocked ip $ip");
186 $self->err_blocked; 229 $self->err_blocked;
187 } 230 }
188 231
189 $req =~ /^(?:\015\012)? 232 $req =~ /^(?:\015\012)?
190 (GET|HEAD) \040+ 233 (GET|HEAD) \040+
191 ([^\040]+) \040+ 234 ([^\040]+) \040+
192 HTTP\/([0-9]+\.[0-9]+) 235 HTTP\/([0-9]+\.[0-9]+)
193 \015\012/gx 236 \015\012/gx
194 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 237 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
195
196 $2 ne "1.0"
197 or $self->err(506, "http protocol version not supported");
198 238
199 $self->{method} = $1; 239 $self->{method} = $1;
200 $self->{uri} = $2; 240 $self->{uri} = $2;
241 $self->{version} = $3;
242
243 $3 eq "1.0" or $3 eq "1.1"
244 or $self->err(506, "http protocol version $3 not supported");
201 245
202 # parse headers 246 # parse headers
203 { 247 {
204 my (%hdr, $h, $v); 248 my (%hdr, $h, $v);
205 249
… …
218 while ($h, $v) = each %hdr; 262 while ($h, $v) = each %hdr;
219 } 263 }
220 264
221 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 265 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
222 266
223 weaken ($uri{$self->{uri}}{$self*1} = $self); 267 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
224 268
225 $self->map_uri; 269 $self->map_uri;
226
227 Coro::Event::do_timer(after => 5);
228
229 $self->respond; 270 $self->respond;
271
272 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
273
274 $self->slog(9, "persistant connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
275 $fh->timeout($::PER_TIMEOUT);
230 #} 276 }
231} 277}
232 278
233# uri => path mapping 279# uri => path mapping
234sub map_uri { 280sub map_uri {
235 my $self = shift; 281 my $self = shift;
… …
247 293
248 $self->{name} = $uri; 294 $self->{name} = $uri;
249 295
250 # now do the path mapping 296 # now do the path mapping
251 $self->{path} = "$::DOCROOT/$host$uri"; 297 $self->{path} = "$::DOCROOT/$host$uri";
298
299 $self->access_check;
252} 300}
253 301
254sub server_address { 302sub server_address {
255 my $self = shift; 303 my $self = shift;
256 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname 304 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
… …
290 if (chdir $::DOCROOT) { 338 if (chdir $::DOCROOT) {
291 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 339 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
292 $ENV{HTTP_HOST} = $self->server_host; 340 $ENV{HTTP_HOST} = $self->server_host;
293 $ENV{HTTP_PORT} = $self->{server_host}; 341 $ENV{HTTP_PORT} = $self->{server_host};
294 $ENV{SCRIPT_NAME} = $self->{name}; 342 $ENV{SCRIPT_NAME} = $self->{name};
295 exec $::INDEXPROG; 343 exec $path;
296 } 344 }
297 Coro::State::_exit(0); 345 Coro::State::_exit(0);
298 } else { 346 } else {
299 } 347 }
300} 348}
… …
303 my $self = shift; 351 my $self = shift;
304 my $path = $self->{path}; 352 my $path = $self->{path};
305 353
306 stat $path 354 stat $path
307 or $self->err(404, "not found"); 355 or $self->err(404, "not found");
356
357 $self->{stat} = [stat _];
308 358
309 # idiotic netscape sends idiotic headers AGAIN 359 # idiotic netscape sends idiotic headers AGAIN
310 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 360 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
311 ? str2time $1 : 0; 361 ? str2time $1 : 0;
312 362
… …
315 if ($path !~ /\/$/) { 365 if ($path !~ /\/$/) {
316 # create a redirect to get the trailing "/" 366 # create a redirect to get the trailing "/"
317 my $host = $self->server_hostport; 367 my $host = $self->server_hostport;
318 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 368 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
319 } else { 369 } else {
320 $ims < (stat _)[9] 370 $ims < $self->{stat}[9]
321 or $self->err(304, "not modified"); 371 or $self->err(304, "not modified");
322 372
323 if ($self->{method} eq "GET") { 373 if ($self->{method} eq "GET") {
324 if (-r "$path/index.html") { 374 if (-r "$path/index.html") {
325 $self->{path} .= "/index.html"; 375 $self->{path} .= "/index.html";
… …
337 } 387 }
338} 388}
339 389
340sub handle_dir { 390sub handle_dir {
341 my $self = shift; 391 my $self = shift;
342 $self->_cgi($::INDEXPROG); 392 my $idx = $self->diridx;
393
394 $self->response(200, "ok",
395 {
396 "Content-Type" => "text/html",
397 "Content-Length" => length $idx,
398 },
399 $idx);
343} 400}
344 401
345sub handle_file { 402sub handle_file {
346 my $self = shift; 403 my $self = shift;
347 my $length = -s _; 404 my $length = -s _;
… …
367 $hdr->{"Content-Range"} = "bytes */$length"; 424 $hdr->{"Content-Range"} = "bytes */$length";
368 $self->err(416, "not satisfiable", $hdr); 425 $self->err(416, "not satisfiable", $hdr);
369 426
370satisfiable: 427satisfiable:
371 # check for segmented downloads 428 # check for segmented downloads
372 if ($l && $NO_SEGMENTED) { 429 if ($l && $::NO_SEGMENTED) {
373 if (%{$uri{$self->{uri}}} > 1) { 430 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
374 $self->slog("segmented download refused\n"); 431 Coro::Event::do_timer(after => 15);
432
375 $self->err(400, "segmented downloads are not allowed"); 433 $self->err(400, "segmented downloads are not allowed");
376 } 434 }
377 } 435 }
378 436
379 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 437 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
… …
383ignore: 441ignore:
384 } else { 442 } else {
385 ($l, $h) = (0, $length - 1); 443 ($l, $h) = (0, $length - 1);
386 } 444 }
387 445
388 if ($self->{path} =~ /\.html$/) { 446 $self->{path} =~ /\.([^.]+)$/;
389 $hdr->{"Content-Type"} = "text/html";
390 } else {
391 $hdr->{"Content-Type"} = "application/octet-stream"; 447 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
392 }
393
394 $hdr->{"Content-Length"} = $length; 448 $hdr->{"Content-Length"} = $length;
395 449
396 $self->response(@code, $hdr, ""); 450 $self->response(@code, $hdr, "");
397 451
398 if ($self->{method} eq "GET") { 452 if ($self->{method} eq "GET") {
399 my ($fh, $buf); 453 my ($fh, $buf, $r);
454 my $current = $Coro::current;
400 open $fh, "<", $self->{path} 455 open $fh, "<", $self->{path}
401 or die "$self->{path}: late open failure ($!)"; 456 or die "$self->{path}: late open failure ($!)";
402 457
403 if ($l) {
404 sysseek $fh, $l, 0
405 or die "$self->{path}: cannot seek to $l ($!)";
406 }
407
408 $h -= $l - 1; 458 $h -= $l - 1;
409 459
410 while ($h > 0) { 460 while ($h > 0) {
411 $h -= sysread $fh, $buf, $h > 16384 ? 16384 : $h; 461 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
412 print {$self->{fh}} $buf 462 $buf, 0, sub {
463 $r = $_[0];
464 $current->ready;
465 });
466 &Coro::schedule;
467 last unless $r;
468 my $w = $self->{fh}->syswrite($buf)
413 or last; 469 or last;
414 cede; 470 $::written += $w;
471 $self->{written} += $w;
472 $l += $r;
415 } 473 }
416 } 474 }
417 475
418 close $fh; 476 close $fh;
419} 477}

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