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/cvs/Coro/myhttpd/httpd.pl
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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.9 by root, Sat Aug 11 12:49:21 2001 UTC vs.
Revision 1.18 by root, Wed Aug 15 03:13:36 2001 UTC

… …
43 43
44my $http_port = new Coro::Socket 44my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST, 45 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT, 46 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1, 47 ReuseAddr => 1,
48 Listen => 1, 48 Listen => 50,
49 or die "unable to start server"; 49 or die "unable to start server";
50 50
51push @listen_sockets, $http_port; 51push @listen_sockets, $http_port;
52 52
53# the "main thread" 53# the "main thread"
… …
70package conn; 70package conn;
71 71
72use Socket; 72use Socket;
73use HTTP::Date; 73use HTTP::Date;
74use 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 );
75 82
76our %conn; # $conn{ip}{fh} => connobj 83our %conn; # $conn{ip}{fh} => connobj
77our %blocked; 84our %blocked;
78our %mimetype; 85our %mimetype;
79 86
80sub read_mimetypes { 87sub read_mimetypes {
81 local *M; 88 local *M;
82 if (open M, "<mimetypes") { 89 if (open M, "<mime_types") {
83 while (<M>) { 90 while (<M>) {
84 if (/^([^#]\S+)\t+(\S+)$/) { 91 if (/^([^#]\S+)\t+(\S+)$/) {
85 $mimetype{lc $1} = $2; 92 $mimetype{lc $1} = $2;
86 } 93 }
87 } 94 }
88 } else { 95 } else {
89 $self->slog(1, "cannot open mimetypes\n"); 96 print "cannot open mime_types\n";
90 } 97 }
91} 98}
99
100read_mimetypes;
92 101
93sub new { 102sub new {
94 my $class = shift; 103 my $class = shift;
95 my $peername = shift; 104 my $peername = shift;
96 my $fh = shift; 105 my $fh = shift;
97 my $self = bless { fh => $fh }, $class; 106 my $self = bless { fh => $fh }, $class;
98 my (undef, $iaddr) = unpack_sockaddr_in $peername 107 my (undef, $iaddr) = unpack_sockaddr_in $peername
99 or $self->err(500, "unable to decode peername"); 108 or $self->err(500, "unable to decode peername");
100 109
101 $self->{remote_addr} = inet_ntoa $iaddr; 110 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW;
102 112
103 # enter ourselves into various lists 113 # enter ourselves into various lists
104 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
105 115
116 $::conns++;
117
106 $self; 118 $self;
107} 119}
108 120
109sub DESTROY { 121sub DESTROY {
110 my $self = shift; 122 my $self = shift;
123
124 $::conns--;
125
111 delete $conn{$self->{remote_addr}}{$self*1}; 126 delete $conn{$self->{remote_addr}}{$self*1};
112 delete $uri{$self->{uri}}{$self*1}; 127 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
113} 128}
114 129
115sub slog { 130sub slog {
116 my $self = shift; 131 my $self = shift;
117 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 132 main::slog($_[0], "$self->{remote_addr}> $_[1]");
118} 133}
119 134
120sub response { 135sub response {
121 my ($self, $code, $msg, $hdr, $content) = @_; 136 my ($self, $code, $msg, $hdr, $content) = @_;
122 my $res = "HTTP/1.0 $code $msg\015\012"; 137 my $res = "HTTP/1.1 $code $msg\015\012";
123 138
124 $res .= "Connection: close\015\012"; 139 #$res .= "Connection: close\015\012";
125 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 140 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
126 141
127 while (my ($h, $v) = each %$hdr) { 142 while (my ($h, $v) = each %$hdr) {
128 $res .= "$h: $v\015\012" 143 $res .= "$h: $v\015\012"
129 } 144 }
145 $res .= "\015\012";
130 146
131 $res .= "\015\012$content" if defined $content; 147 $res .= $content if defined $content and $self->{method} ne "HEAD";
132 148
133 print STDERR "$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#
134 150
151 $self->{written} +=
135 print {$self->{fh}} $res; 152 print {$self->{fh}} $res;
136} 153}
137 154
138sub err { 155sub err {
139 my $self = shift; 156 my $self = shift;
140 my ($code, $msg, $hdr, $content) = @_; 157 my ($code, $msg, $hdr, $content) = @_;
… …
142 unless (defined $content) { 159 unless (defined $content) {
143 $content = "$code $msg"; 160 $content = "$code $msg";
144 $hdr->{"Content-Type"} = "text/plain"; 161 $hdr->{"Content-Type"} = "text/plain";
145 $hdr->{"Content-Length"} = length $content; 162 $hdr->{"Content-Length"} = length $content;
146 } 163 }
164 $hdr->{"Connection"} = "close";
147 165
148 $self->response($code, $msg, $hdr, $content); 166 $self->response($code, $msg, $hdr, $content);
149 167
150 die bless {}, err::; 168 die bless {}, err::;
151} 169}
152 170
153sub err_blocked { 171sub err_blocked {
154 my $self = shift; 172 my $self = shift;
155 my $ip = $self->{remote_addr}; 173 my $ip = $self->{remote_addr};
156 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 174 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
175
176 Coro::Event::do_timer(after => 15);
177
157 $self->err(403, "too many connections", 178 $self->err(401, "too many connections",
158 { 179 {
159 "Content-Type" => "text/html", 180 "Content-Type" => "text/html",
160 "Retry-After" => $::BLOCKTIME 181 "Retry-After" => $::BLOCKTIME
161 }, 182 },
162 <<EOF); 183 <<EOF);
… …
174 195
175sub handle { 196sub handle {
176 my $self = shift; 197 my $self = shift;
177 my $fh = $self->{fh}; 198 my $fh = $self->{fh};
178 199
200 $fh->timeout($::REQ_TIMEOUT);
179 #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
180 $self->{h} = {}; 215 $self->{h} = {};
181 216
182 # read request and parse first line
183 $fh->timeout($::REQ_TIMEOUT);
184 my $req = $fh->readline("\015\012\015\012");
185 $fh->timeout($::RES_TIMEOUT); 217 $fh->timeout($::RES_TIMEOUT);
186
187 defined $req or
188 $self->err(408, "request timeout");
189
190 my $ip = $self->{remote_addr}; 218 my $ip = $self->{remote_addr};
191 219
192 if ($blocked{$ip}) { 220 if ($blocked{$ip}) {
193 $self->err_blocked($blocked{$ip}) 221 $self->err_blocked($blocked{$ip})
194 if $blocked{$ip} > $::NOW; 222 if $blocked{$ip} > $::NOW;
195 223
196 delete $blocked{$ip}; 224 delete $blocked{$ip};
197 } 225 }
198 226
199 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 227 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
200 $self->slog("blocked ip $ip"); 228 $self->slog(2, "blocked ip $ip");
201 $self->err_blocked; 229 $self->err_blocked;
202 } 230 }
203 231
204 $req =~ /^(?:\015\012)? 232 $req =~ /^(?:\015\012)?
205 (GET|HEAD) \040+ 233 (GET|HEAD) \040+
206 ([^\040]+) \040+ 234 ([^\040]+) \040+
207 HTTP\/([0-9]+\.[0-9]+) 235 HTTP\/([0-9]+\.[0-9]+)
208 \015\012/gx 236 \015\012/gx
209 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 237 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
210
211 $2 ne "1.0"
212 or $self->err(506, "http protocol version not supported");
213 238
214 $self->{method} = $1; 239 $self->{method} = $1;
215 $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");
216 245
217 # parse headers 246 # parse headers
218 { 247 {
219 my (%hdr, $h, $v); 248 my (%hdr, $h, $v);
220 249
… …
233 while ($h, $v) = each %hdr; 262 while ($h, $v) = each %hdr;
234 } 263 }
235 264
236 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 265 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
237 266
238 weaken ($uri{$self->{uri}}{$self*1} = $self); 267 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
239 268
240 $self->map_uri; 269 $self->map_uri;
241 $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);
242 #} 276 }
243} 277}
244 278
245# uri => path mapping 279# uri => path mapping
246sub map_uri { 280sub map_uri {
247 my $self = shift; 281 my $self = shift;
… …
304 if (chdir $::DOCROOT) { 338 if (chdir $::DOCROOT) {
305 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 339 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
306 $ENV{HTTP_HOST} = $self->server_host; 340 $ENV{HTTP_HOST} = $self->server_host;
307 $ENV{HTTP_PORT} = $self->{server_host}; 341 $ENV{HTTP_PORT} = $self->{server_host};
308 $ENV{SCRIPT_NAME} = $self->{name}; 342 $ENV{SCRIPT_NAME} = $self->{name};
309 exec $::INDEXPROG; 343 exec $path;
310 } 344 }
311 Coro::State::_exit(0); 345 Coro::State::_exit(0);
312 } else { 346 } else {
313 } 347 }
314} 348}
… …
317 my $self = shift; 351 my $self = shift;
318 my $path = $self->{path}; 352 my $path = $self->{path};
319 353
320 stat $path 354 stat $path
321 or $self->err(404, "not found"); 355 or $self->err(404, "not found");
356
357 $self->{stat} = [stat _];
322 358
323 # idiotic netscape sends idiotic headers AGAIN 359 # idiotic netscape sends idiotic headers AGAIN
324 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 360 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
325 ? str2time $1 : 0; 361 ? str2time $1 : 0;
326 362
… …
329 if ($path !~ /\/$/) { 365 if ($path !~ /\/$/) {
330 # create a redirect to get the trailing "/" 366 # create a redirect to get the trailing "/"
331 my $host = $self->server_hostport; 367 my $host = $self->server_hostport;
332 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 368 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
333 } else { 369 } else {
334 $ims < (stat _)[9] 370 $ims < $self->{stat}[9]
335 or $self->err(304, "not modified"); 371 or $self->err(304, "not modified");
336 372
337 if ($self->{method} eq "GET") { 373 if ($self->{method} eq "GET") {
338 if (-r "$path/index.html") { 374 if (-r "$path/index.html") {
339 $self->{path} .= "/index.html"; 375 $self->{path} .= "/index.html";
… …
351 } 387 }
352} 388}
353 389
354sub handle_dir { 390sub handle_dir {
355 my $self = shift; 391 my $self = shift;
356 $self->_cgi($::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);
357} 400}
358 401
359sub handle_file { 402sub handle_file {
360 my $self = shift; 403 my $self = shift;
361 my $length = -s _; 404 my $length = -s _;
… …
381 $hdr->{"Content-Range"} = "bytes */$length"; 424 $hdr->{"Content-Range"} = "bytes */$length";
382 $self->err(416, "not satisfiable", $hdr); 425 $self->err(416, "not satisfiable", $hdr);
383 426
384satisfiable: 427satisfiable:
385 # check for segmented downloads 428 # check for segmented downloads
386 if ($l && $NO_SEGMENTED) { 429 if ($l && $::NO_SEGMENTED) {
387 if (%{$uri{$self->{uri}}} > 1) { 430 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
388 $self->slog("segmented download refused\n"); 431 Coro::Event::do_timer(after => 15);
432
389 $self->err(400, "segmented downloads are not allowed"); 433 $self->err(400, "segmented downloads are not allowed");
390 } 434 }
391 } 435 }
392 436
393 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 437 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
… …
404 $hdr->{"Content-Length"} = $length; 448 $hdr->{"Content-Length"} = $length;
405 449
406 $self->response(@code, $hdr, ""); 450 $self->response(@code, $hdr, "");
407 451
408 if ($self->{method} eq "GET") { 452 if ($self->{method} eq "GET") {
409 my ($fh, $buf); 453 my ($fh, $buf, $r);
454 my $current = $Coro::current;
410 open $fh, "<", $self->{path} 455 open $fh, "<", $self->{path}
411 or die "$self->{path}: late open failure ($!)"; 456 or die "$self->{path}: late open failure ($!)";
412 457
413 if ($l) {
414 sysseek $fh, $l, 0
415 or die "$self->{path}: cannot seek to $l ($!)";
416 }
417
418 $h -= $l - 1; 458 $h -= $l - 1;
419 459
420 while ($h > 0) { 460 while ($h > 0) {
421 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 461 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
462 $buf, 0, sub {
463 $r = $_[0];
464 $current->ready;
465 });
466 &Coro::schedule;
467 last unless $r;
422 $self->{fh}->syswrite($buf) 468 my $w = $self->{fh}->syswrite($buf)
423 or last; 469 or last;
470 $::written += $w;
471 $self->{written} += $w;
472 $l += $r;
424 } 473 }
425 } 474 }
426 475
427 close $fh; 476 close $fh;
428} 477}

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