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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.3 by root, Fri Aug 10 02:28:28 2001 UTC vs.
Revision 1.84 by root, Sat Dec 8 21:01:16 2007 UTC

1use Coro; 1use Coro;
2use Coro::Semaphore; 2use Coro::Semaphore;
3use Coro::Event; 3use Coro::EV;
4use Coro::Socket; 4use Coro::Socket;
5use Coro::Signal;
6use Coro::AIO ();
7
8use HTTP::Date;
9use POSIX ();
10
11use Compress::Zlib ();
5 12
6no utf8; 13no utf8;
7use bytes; 14use bytes;
8 15
9# at least on my machine, this thingy serves files 16# at least on my machine, this thingy serves files
10# quite a bit faster than apache, ;) 17# quite a bit faster than apache, ;)
11# and quite a bit slower than thttpd :( 18# and quite a bit slower than thttpd :(
12 19
13my $port = new Coro::Socket
14 LocalAddr => $SERVER_HOST,
15 LocalPort => $SERVER_PORT,
16 ReuseAddr => 1,
17 Listen => 1,
18 or die "unable to start server";
19
20$SIG{PIPE} = 'IGNORE'; 20$SIG{PIPE} = 'IGNORE';
21 21
22our $accesslog;
23our $errorlog;
24
25our $NOW;
26our $HTTP_NOW;
27
28our $ERROR_LOG;
29our $ACCESS_LOG;
30
31our $update_time = EV::periodic 0, 1, undef, sub {
32 $NOW = time;
33 $HTTP_NOW = time2str $NOW;
34};
35$update_time->invoke;
36
37if ($ERROR_LOG) {
38 use IO::Handle;
39 open $errorlog, ">>$ERROR_LOG"
40 or die "$ERROR_LOG: $!";
41 $errorlog->autoflush(1);
42}
43
44if ($ACCESS_LOG) {
45 use IO::Handle;
46 open $accesslog, ">>$ACCESS_LOG"
47 or die "$ACCESS_LOG: $!";
48 $accesslog->autoflush(1);
49}
50
22sub slog { 51sub slog {
23 my $level = shift; 52 my $level = shift;
24 my $format = shift; 53 my $format = shift;
54 my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW);
25 printf "---: $format\n", @_; 55 printf "$NOW: $format\n", @_;
56 printf $errorlog "$NOW: $format\n", @_ if $errorlog;
26} 57}
27 58
28my $connections = new Coro::Semaphore $MAX_CONNECTS; 59our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
60our $httpevent = new Coro::Signal;
29 61
30my @fh; 62our $queue_file = new transferqueue $MAX_TRANSFERS;
63our $queue_index = new transferqueue 10;
64
65our $tbf_top = new tbf rate => $TBF_RATE || 100000;
66
67my $unused_bytes = 0;
68my $unused_last = time;
69
70sub unused_bandwidth {
71 $unused_bytes += $_[0];
72 if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) {
73 $unused_last = $NOW;
74 $unused_bytes = 0;
75 $queue_file->force_wake_next;
76 slog 1, "forced filetransfer due to unused bandwidth";
77 }
78}
79
80my @newcons;
31my @pool; 81my @pool;
32 82
33# one "execution thread" 83# one "execution thread"
34sub handler { 84sub handler {
35 while () { 85 while () {
36 my $fh = pop @fh; 86 if (@newcons) {
37 if ($fh) {
38 eval { 87 eval {
39 conn->new($fh)->handle; 88 conn->new (@{pop @newcons})->handle;
40 }; 89 };
41 close $fh;
42 slog 1, "$@" if $@ && !ref $@; 90 slog 1, "$@" if $@ && !ref $@;
91
92 $httpevent->broadcast; # only for testing, but doesn't matter much
93
43 $connections->up; 94 $connections->up;
44 } else { 95 } else {
45 last if @pool >= $MAX_POOL; 96 last if @pool >= $MAX_POOL;
46 push @pool, $Coro::current; 97 push @pool, $Coro::current;
47 schedule; 98 schedule;
48 } 99 }
49 } 100 }
50} 101}
51 102
103sub listen_on {
104 my $listen = $_[0];
105
106 push @listen_sockets, $listen;
107
52# the "main thread" 108 # the "main thread"
53async { 109 async {
54 slog 1, "accepting connections"; 110 slog 1, "accepting connections";
55 while () { 111 while () {
56 $connections->down; 112 $connections->down;
57 push @fh, $port->accept; 113 push @newcons, [$listen->accept];
58 #slog 3, "accepted @$connections ".scalar(@pool); 114 #slog 3, "accepted @$connections ".scalar(@pool);
59 $::NOW = time;
60 if (@pool) { 115 if (@pool) {
61 (pop @pool)->ready; 116 (pop @pool)->ready;
62 } else { 117 } else {
63 async \&handler; 118 async \&handler;
64 } 119 }
65 120 }
66 } 121 };
67}; 122}
68 123
69loop; 124my $http_port = new Coro::Socket
70print "ende\n";#d# 125 LocalAddr => $SERVER_HOST,
126 LocalPort => $SERVER_PORT,
127 ReuseAddr => 1,
128 Listen => 50,
129 or die "unable to start server";
130
131listen_on $http_port;
132
133if ($SERVER_PORT2) {
134 my $http_port = new Coro::Socket
135 LocalAddr => $SERVER_HOST,
136 LocalPort => $SERVER_PORT2,
137 ReuseAddr => 1,
138 Listen => 50,
139 or die "unable to start server";
140
141 listen_on $http_port;
142}
71 143
72package conn; 144package conn;
145
146use strict;
147use bytes;
73 148
74use Socket; 149use Socket;
75use HTTP::Date; 150use HTTP::Date;
76use Convert::Scalar 'weaken'; 151use Convert::Scalar 'weaken';
152use IO::AIO;
77 153
154IO::AIO::min_parallel $::AIO_PARALLEL;
155
156our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
157
78our %conn; # $conn{ip}{fh} => connobj 158our %conn; # $conn{ip}{self} => connobj
159our %uri; # $uri{ip}{uri}{self}
79our %blocked; 160our %blocked;
161our %mimetype;
162
163sub read_mimetypes {
164 if (open my $fh, "<mime_types") {
165 while (<$fh>) {
166 if (/^([^#]\S+)\t+(\S+)$/) {
167 $mimetype{lc $1} = $2;
168 }
169 }
170 } else {
171 print "cannot open mime_types\n";
172 }
173}
174
175read_mimetypes;
80 176
81sub new { 177sub new {
82 my $class = shift; 178 my $class = shift;
83 my $fh = shift; 179 my $fh = shift;
180 my $peername = shift;
84 my $self = bless { fh => $fh }, $class; 181 my $self = bless { fh => $fh }, $class;
85 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 182 my (undef, $iaddr) = unpack_sockaddr_in $peername
86 or $self->err(500, "unable to get peername"); 183 or $self->err (500, "unable to decode peername");
184
185 $self->{remote_addr} =
87 $self->{remote_addr} = inet_ntoa $iaddr; 186 $self->{remote_id} = inet_ntoa $iaddr;
88 187
89 # enter ourselves into various lists 188 $self->{time} = $::NOW;
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 189
92 print "$self->{remote_addr}: ".($self*1)." > ".%{$conn{$self->{remote_addr}}},"\n"; 190 weaken ($Coro::current->{conn} = $self);
191
192 ++$::conns;
193 $::maxconns = $::conns if $::conns > $::maxconns;
194
93 $self; 195 $self
94} 196}
95 197
96sub DESTROY { 198sub DESTROY {
97 my $self = shift; 199 my $self = shift;
98 delete $conn{$self->{remote_addr}}{$self*1}; 200
99 delete $uri{$self->{uri}}{$self*1}; 201 --$::conns;
100} 202}
203
204sub prune_cache {
205 my $hash = $_[0];
206
207 for (keys %$hash) {
208 if (ref $hash->{$_} eq HASH::) {
209 prune_cache($hash->{$_});
210 unless (scalar keys %{$hash->{$_}}) {
211 delete $hash->{$_};
212 }
213 }
214 }
215}
216
217sub prune_caches {
218 prune_cache \%conn;
219 prune_cache \%uri;
220
221 for (keys %blocked) {
222 delete $blocked{$_} unless $blocked{$_}[0] > $::NOW;
223 }
224}
225
226our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches;
101 227
102sub slog { 228sub slog {
103 main::slog(@_); 229 my $self = shift;
230 main::slog($_[0], "$self->{remote_id}> $_[1]");
104} 231}
105 232
106sub print_response { 233sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 234 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 235 my $res = "HTTP/1.1 $code $msg\015\012";
236 my $GZ = "";
109 237
110 $hdr->{Date} = time2str $::NOW; # slow? nah. 238 if (exists $hdr->{Connection}) {
239 if ($hdr->{Connection} =~ /close/) {
240 $self->{h}{connection} = "close"
241 }
242 } else {
243 if ($self->{version} < 1.1) {
244 if ($self->{h}{connection} =~ /keep-alive/i) {
245 $hdr->{Connection} = "Keep-Alive";
246 } else {
247 $self->{h}{connection} = "close"
248 }
249 }
250 }
251
252 if ($self->{method} ne "HEAD"
253 && $self->{h}{"accept-encoding"} =~ /\bgzip\b/
254 && 400 < length $content
255 && $hdr->{"Content-Length"} == length $content
256 && !exists $hdr->{"Content-Encoding"}
257 ) {
258 my $orig = length $content;
259 $hdr->{"Content-Encoding"} = "gzip";
260 $content = Compress::Zlib::memGzip(\$content);
261 $hdr->{"Content-Length"} = length $content;
262 $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig);
263 }
264
265 $res .= "Date: $HTTP_NOW\015\012";
266 $res .= "Server: $::NAME\015\012";
111 267
112 while (my ($h, $v) = each %$hdr) { 268 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 269 $res .= "$h: $v\015\012"
114 } 270 }
115 $res .= "\015\012$content" if defined $content; 271 $res .= "\015\012";
116 272
117 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 273 $res .= $content if defined $content and $self->{method} ne "HEAD";
118 274
119 print {$self->{fh}} $res; 275 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW).
276 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ.
277 " \"$self->{h}{referer}\"\n";
278
279 print $::accesslog $log if $::accesslog;
280 print STDERR $log;
281
282 $tbf_top->request(length $res, 1e6);
283 $self->{written} += print {$self->{fh}} $res;
120} 284}
121 285
122sub err { 286sub err {
123 my $self = shift; 287 my $self = shift;
124 my ($code, $msg, $hdr, $content) = @_; 288 my ($code, $msg, $hdr, $content) = @_;
125 289
126 unless (defined $content) { 290 unless (defined $content) {
127 $content = "$code $msg"; 291 $content = "$code $msg\n";
128 $hdr->{"Content-Type"} = "text/plain"; 292 $hdr->{"Content-Type"} = "text/plain";
129 $hdr->{"Content-Length"} = length $content; 293 $hdr->{"Content-Length"} = length $content;
130 } 294 }
295 $hdr->{"Connection"} = "close";
131 296
132 $self->slog($msg) if $code;
133
134 $self->print_response($code, $msg, $hdr, $content); 297 $self->response ($code, $msg, $hdr, $content);
135 298
136 die bless {}, err::; 299 die bless {}, err::
137}
138
139sub err_blocked {
140 my $self = shift;
141 my $ip = $self->{remote_addr};
142 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
143 $self->err(403, "too many connections",
144 { "Retry-After" => $::BLOCKTIME },
145 <<EOF);
146You have been blocked because you opened too many connections. You
147may retry at $time. Until then,
148every new access will renew the block.
149EOF
150} 300}
151 301
152sub handle { 302sub handle {
153 my $self = shift; 303 my $self = shift;
154 my $fh = $self->{fh}; 304 my $fh = $self->{fh};
155 305
306 my $host;
307
308 $fh->timeout($::REQ_TIMEOUT);
156 #while() { 309 while () {
310 $self->{reqs}++;
311
312 # read request and parse first line
313 my $req = $fh->readline("\015\012\015\012");
314
315 unless (defined $req) {
316 if (exists $self->{version}) {
317 last;
318 } else {
319 $self->err(408, "request timeout");
320 }
321 }
322
157 $self->{h} = {}; 323 $self->{h} = {};
158 324
159 # read request and parse first line
160 $fh->timeout($::REQ_TIMEOUT);
161 my $req = $fh->readline("\015\012\015\012");
162 $fh->timeout($::RES_TIMEOUT); 325 $fh->timeout($::RES_TIMEOUT);
163
164 defined $req or
165 $self->err(408, "request timeout");
166
167 my $ip = $self->{remote_addr};
168
169 if ($blocked{$ip}) {
170 $self->err_blocked($blocked{$ip})
171 if $blocked{$ip} > $::NOW;
172
173 delete $blocked{$ip};
174 }
175
176 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
177 $self->slog("blocked ip $ip");
178 $self->err_blocked;
179 }
180 326
181 $req =~ /^(?:\015\012)? 327 $req =~ /^(?:\015\012)?
182 (GET|HEAD) \040+ 328 (GET|HEAD) \040+
183 ([^\040]+) \040+ 329 ([^\040]+) \040+
184 HTTP\/([0-9]+\.[0-9]+) 330 HTTP\/([0-9]+\.[0-9]+)
185 \015\012/gx 331 \015\012/gx
186 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 332 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
187
188 $2 ne "1.0"
189 or $self->err(506, "http protocol version not supported");
190 333
191 $self->{method} = $1; 334 $self->{method} = $1;
192 $self->{uri} = $2; 335 $self->{uri} = $2;
336 $self->{version} = $3;
337
338 $3 =~ /^1\./
339 or $self->err(506, "http protocol version $3 not supported");
193 340
194 # parse headers 341 # parse headers
195 { 342 {
196 my (%hdr, $h, $v); 343 my (%hdr, $h, $v);
197 344
198 $hdr{lc $1} .= ",$2" 345 $hdr{lc $1} .= ",$2"
199 while $req =~ /\G 346 while $req =~ /\G
200 ([^:\000-\040]+): 347 ([^:\000-\040]+):
201 [\008\040]* 348 [\011\040]*
202 ((?: [^\015\012]+ | \015\012[\008\040] )*) 349 ((?: [^\015\012]+ | \015\012[\011\040] )*)
203 \015\012 350 \015\012
204 /gxc; 351 /gxc;
205 352
206 $req =~ /\G\015\012$/ 353 $req =~ /\G\015\012$/
207 or $self->err(400, "bad request"); 354 or $self->err(400, "bad request");
208 355
209 $self->{h}{$h} = substr $v, 1 356 $self->{h}{$h} = substr $v, 1
210 while ($h, $v) = each %hdr; 357 while ($h, $v) = each %hdr;
211 } 358 }
212 359
360 # remote id should be unique per user
361 my $id = $self->{remote_addr};
362
363 if (exists $self->{h}{"client-ip"}) {
364 $id .= "[".$self->{h}{"client-ip"}."]";
365 } elsif (exists $self->{h}{"x-forwarded-for"}) {
366 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
367 }
368
369 $self->{remote_id} = $id;
370
371 weaken (local $conn{$id}{$self*1} = $self);
372
373 if ($blocked{$id}) {
374 $self->err_blocked
375 if $blocked{$id}[0] > $::NOW;
376
377 delete $blocked{$id};
378 }
379
380 # find out server name and port
381 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
382 $host = $1;
383 } else {
384 $host = $self->{h}{host};
385 }
386
387 if (defined $host) {
213 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 388 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
389 } else {
390 ($self->{server_port}, $host)
391 = unpack_sockaddr_in $self->{fh}->sockname
392 or $self->err(500, "unable to get socket name");
393 $host = inet_ntoa $host;
394 }
214 395
396 $self->{server_name} = $host;
397
215 weaken ($uri{$self->{uri}}{$self*1} = $self); 398 weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self);
216 399
400 eval {
217 $self->map_uri; 401 $self->map_uri;
218
219 Coro::Event::do_timer(after => 5);
220
221 $self->respond; 402 $self->respond;
403 };
404
405 die if $@ && !ref $@;
406
407 last if $self->{h}{connection} =~ /close/i;
408
409 $httpevent->broadcast;
410
411 $fh->timeout($::PER_TIMEOUT);
222 #} 412 }
413}
414
415sub block {
416 my $self = shift;
417
418 $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]];
419 $self->slog(2, "blocked ip $self->{remote_id}");
420 $self->err_blocked;
223} 421}
224 422
225# uri => path mapping 423# uri => path mapping
226sub map_uri { 424sub map_uri {
227 my $self = shift; 425 my $self = shift;
228 my $host = $self->{h}{host} || "default"; 426 my $host = $self->{server_name};
229 my $uri = $self->{uri}; 427 my $uri = $self->{uri};
230 428
231 # some massaging, also makes it more secure 429 # some massaging, also makes it more secure
232 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 430 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
233 $uri =~ s%//+%/%g; 431 $uri =~ s%//+%/%g;
… …
239 437
240 $self->{name} = $uri; 438 $self->{name} = $uri;
241 439
242 # now do the path mapping 440 # now do the path mapping
243 $self->{path} = "$::DOCROOT/$host$uri"; 441 $self->{path} = "$::DOCROOT/$host$uri";
244}
245 442
246sub server_address { 443 $self->access_check;
247 my $self = shift;
248 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
249 or $self->err(500, "unable to get socket name");
250 ((inet_ntoa $iaddr), $port);
251}
252
253sub server_host {
254 my $self = shift;
255 if (exists $self->{h}{host}) {
256 return $self->{h}{host};
257 } else {
258 return (($self->server_address)[0]);
259 }
260}
261
262sub server_hostport {
263 my $self = shift;
264 my ($host, $port);
265 if (exists $self->{h}{host}) {
266 ($host, $port) = ($self->{h}{host}, $self->{server_port});
267 } else {
268 ($host, $port) = $self->server_address;
269 }
270 $port = $port == 80 ? "" : ":$port";
271 $host.$port;
272} 444}
273 445
274sub _cgi { 446sub _cgi {
275 my $self = shift; 447 my $self = shift;
276 my $path = shift; 448 my $path = shift;
… …
279 # no two-way xxx supported 451 # no two-way xxx supported
280 if (0 == fork) { 452 if (0 == fork) {
281 open STDOUT, ">&".fileno($self->{fh}); 453 open STDOUT, ">&".fileno($self->{fh});
282 if (chdir $::DOCROOT) { 454 if (chdir $::DOCROOT) {
283 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 455 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
284 $ENV{HTTP_HOST} = $self->server_host; 456 $ENV{HTTP_HOST} = $self->{server_name};
285 $ENV{HTTP_PORT} = $self->{server_host}; 457 $ENV{HTTP_PORT} = $self->{server_port};
286 $ENV{SCRIPT_NAME} = $self->{name}; 458 $ENV{SCRIPT_NAME} = $self->{name};
287 exec $::INDEXPROG; 459 exec $path;
288 } 460 }
289 Coro::State::_exit(0); 461 Coro::State::_exit(0);
290 } else { 462 } else {
463 die;
291 } 464 }
465}
466
467sub server_hostport {
468 $_[0]{server_port} == 80
469 ? $_[0]{server_name}
470 : "$_[0]{server_name}:$_[0]{server_port}";
292} 471}
293 472
294sub respond { 473sub respond {
295 my $self = shift; 474 my $self = shift;
296 my $path = $self->{path}; 475 my $path = $self->{path};
297 476
298 stat $path 477 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
299 or $self->err(404, "not found"); 478 if ($::internal{$1}) {
300 479 $::internal{$1}->($self);
301 # idiotic netscape sends idiotic headers AGAIN
302 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
303 ? str2time $1 : 0;
304
305 if (-d _ && -r _) {
306 # directory
307 if ($path !~ /\/$/) {
308 # create a redirect to get the trailing "/"
309 my $host = $self->server_hostport;
310 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
311 } else { 480 } else {
312 $ims < (stat _)[9] 481 $self->err (404, "not found");
482 }
483 } else {
484
485 stat $path
486 or $self->err (404, "not found");
487
488 $self->{stat} = [stat _];
489
490 # idiotic netscape sends idiotic headers AGAIN
491 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
492 ? str2time $1 : 0;
493
494 if (-d _ && -r _) {
495 # directory
496 if ($path !~ /\/$/) {
497 # create a redirect to get the trailing "/"
498 # we don't try to avoid the :80
499 $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
500 } else {
501 $ims < $self->{stat}[9]
313 or $self->err(304, "not modified"); 502 or $self->err (304, "not modified");
314 503
315 if ($self->{method} eq "GET") {
316 if (-r "$path/index.html") { 504 if (-r "$path/index.html") {
505 # replace directory "size" by index.html filesize
317 $self->{path} .= "/index.html"; 506 $self->{stat} = [stat ($self->{path} .= "/index.html")];
318 $self->handle_file; 507 $self->handle_file ($queue_index, $tbf_top);
319 } else { 508 } else {
320 $self->handle_dir; 509 $self->handle_dir;
321 } 510 }
322 } 511 }
323 }
324 } elsif (-f _ && -r _) { 512 } elsif (-f _ && -r _) {
325 -x _ and $self->err(403, "forbidden"); 513 -x _ and $self->err (403, "forbidden");
326 $self->handle_file; 514
515 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
516 my $timeout = $::NOW + 10;
517 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
518 if ($timeout < $::NOW) {
519 $self->block($::BLOCKTIME, "too many connections");
520 } else {
521 $httpevent->wait;
522 }
523 }
524 }
525
526 $self->handle_file ($queue_file, $tbf_top);
327 } else { 527 } else {
328 $self->err(404, "not found"); 528 $self->err (404, "not found");
529 }
329 } 530 }
330} 531}
331 532
332sub handle_dir { 533sub handle_dir {
333 my $self = shift; 534 my $self = shift;
334 $self->_cgi($::INDEXPROG); 535 my $idx = $self->diridx;
536
537 $self->response (200, "ok",
538 {
539 "Content-Type" => "text/html; charset=utf-8",
540 "Content-Length" => length $idx,
541 "Last-Modified" => time2str ($self->{stat}[9]),
542 },
543 $idx);
335} 544}
336 545
337sub handle_file { 546sub handle_file {
338 my $self = shift; 547 my ($self, $queue, $tbf) = @_;
339 my $length = -s _; 548 my $length = $self->{stat}[7];
340 my $hdr = { 549 my $hdr = {
341 "Last-Modified" => time2str ((stat _)[9]), 550 "Last-Modified" => time2str ((stat _)[9]),
551 "Accept-Ranges" => "bytes",
342 }; 552 };
343 553
344 my @code = (200, "ok"); 554 my @code = (200, "ok");
345 my ($l, $h); 555 my ($l, $h);
346 556
… …
352 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 562 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
353 } else { 563 } else {
354 ($l, $h) = (0, $length - 1); 564 ($l, $h) = (0, $length - 1);
355 goto ignore; 565 goto ignore;
356 } 566 }
357 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 567 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
358 } 568 }
359 $hdr->{"Content-Range"} = "bytes */$length"; 569 $hdr->{"Content-Range"} = "bytes */$length";
570 $hdr->{"Content-Length"} = $length;
360 $self->err(416, "not satisfiable", $hdr); 571 $self->err (416, "not satisfiable", $hdr, "");
361 572
362satisfiable: 573satisfiable:
574 # check for segmented downloads
575 if ($l && $::NO_SEGMENTED) {
576 my $timeout = $::NOW + 15;
577 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
578 if ($timeout <= $::NOW) {
579 $self->block ($::BLOCKTIME, "segmented downloads are forbidden");
580 #$self->err_segmented_download;
581 } else {
582 $httpevent->wait;
583 }
584 }
585 }
586
363 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 587 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
364 @code = (206, "partial content"); 588 @code = (206, "partial content");
365 $length = $h - $l + 1; 589 $length = $h - $l + 1;
366 590
367ignore: 591ignore:
368 } else { 592 } else {
369 ($l, $h) = (0, $length - 1); 593 ($l, $h) = (0, $length - 1);
370 } 594 }
371 595
372 if ($self->{path} =~ /\.html$/) { 596 $self->{path} =~ /\.([^.]+)$/;
373 $hdr->{"Content-Type"} = "text/html";
374 } else {
375 $hdr->{"Content-Type"} = "application/octet-stream"; 597 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
376 }
377
378 $hdr->{"Content-Length"} = $length; 598 $hdr->{"Content-Length"} = $length;
379 599
380 $self->print_response(@code, $hdr, ""); 600 $self->response (@code, $hdr, "");
381 601
382 if ($self->{method} eq "GET") { 602 if ($self->{method} eq "GET") {
383 my ($fh, $buf); 603 $self->{time} = $::NOW;
604 $self->{written} = 0;
605
384 open $fh, "<", $self->{path} 606 open my $fh, "<", $self->{path}
385 or die "$self->{path}: late open failure ($!)"; 607 or die "$self->{path}: late open failure ($!)";
386 608
387 if ($l) {
388 sysseek $fh, $l, 0
389 or die "$self->{path}: cannot seek to $l ($!)";
390 }
391
392 $h -= $l - 1; 609 $h -= $l - 1;
393 610
611 my $transfer = $queue->start_transfer ($h);
612 my $locked;
613 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
614
394 while ($h > 0) { 615 while ($h > 0) {
395 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 616 unless ($locked) {
396 print {$self->{fh}} $buf 617 if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) {
618 $bufsize = $::BUFSIZE;
619 $self->{time} = $::NOW;
620 $self->{written} = 0;
621 }
622 }
623
624 if ($blocked{$self->{remote_id}}) {
625 $self->{h}{connection} = "close";
626 die bless {}, err::;
627 }
628
629 Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0
397 or last; 630 or last;
398 }
399 }
400 631
632 $tbf->request (length $buf);
633 my $w = syswrite $self->{fh}, $buf
634 or last;
635 $::written += $w;
636 $self->{written} += $w;
637 $l += $w;
638 }
639
401 close $fh; 640 close $fh;
641 }
402} 642}
403 643
4041; 6441
645

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