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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 1.80 by root, Fri Dec 1 04:18:32 2006 UTC

1use Coro; 1use Coro;
2use Coro::Semaphore; 2use Coro::Semaphore;
3use Coro::Event; 3use Coro::Event;
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
31Event->timer(interval => 1, hard => 1, cb => sub {
32 $NOW = time;
33 $HTTP_NOW = time2str $NOW;
34})->now;
35
36if ($ERROR_LOG) {
37 use IO::Handle;
38 open $errorlog, ">>$ERROR_LOG"
39 or die "$ERROR_LOG: $!";
40 $errorlog->autoflush(1);
41}
42
43if ($ACCESS_LOG) {
44 use IO::Handle;
45 open $accesslog, ">>$ACCESS_LOG"
46 or die "$ACCESS_LOG: $!";
47 $accesslog->autoflush(1);
48}
49
22sub slog { 50sub slog {
23 my $level = shift; 51 my $level = shift;
24 my $format = shift; 52 my $format = shift;
53 my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW);
25 printf "---: $format\n", @_; 54 printf "$NOW: $format\n", @_;
55 printf $errorlog "$NOW: $format\n", @_ if $errorlog;
26} 56}
27 57
28my $connections = new Coro::Semaphore $MAX_CONNECTS; 58our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
59our $httpevent = new Coro::Signal;
29 60
30my @fh; 61our $queue_file = new transferqueue $MAX_TRANSFERS;
62our $queue_index = new transferqueue 10;
63
64our $tbf_top = new tbf rate => $TBF_RATE || 100000;
65
66my $unused_bytes = 0;
67my $unused_last = time;
68
69sub unused_bandwidth {
70 $unused_bytes += $_[0];
71 if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) {
72 $unused_last = $NOW;
73 $unused_bytes = 0;
74 $queue_file->force_wake_next;
75 slog 1, "forced filetransfer due to unused bandwidth";
76 }
77}
78
79my @newcons;
31my @pool; 80my @pool;
32 81
33# one "execution thread" 82# one "execution thread"
34sub handler { 83sub handler {
35 while () { 84 while () {
36 my $fh = pop @fh; 85 if (@newcons) {
37 if ($fh) {
38 eval { 86 eval {
39 conn->new($fh)->handle; 87 conn->new(@{pop @newcons})->handle;
40 }; 88 };
41 close $fh;
42 slog 1, "$@" if $@ && !ref $@; 89 slog 1, "$@" if $@ && !ref $@;
90
91 $httpevent->broadcast; # only for testing, but doesn't matter much
92
43 $connections->up; 93 $connections->up;
44 } else { 94 } else {
45 last if @pool >= $MAX_POOL; 95 last if @pool >= $MAX_POOL;
46 push @pool, $Coro::current; 96 push @pool, $Coro::current;
47 schedule; 97 schedule;
48 } 98 }
49 } 99 }
50} 100}
51 101
102sub listen_on {
103 my $listen = $_[0];
104
105 push @listen_sockets, $listen;
106
52# the "main thread" 107 # the "main thread"
53async { 108 async {
54 slog 1, "accepting connections"; 109 slog 1, "accepting connections";
55 while () { 110 while () {
56 $connections->down; 111 $connections->down;
57 push @fh, $port->accept; 112 push @newcons, [$listen->accept];
58 #slog 3, "accepted @$connections ".scalar(@pool); 113 #slog 3, "accepted @$connections ".scalar(@pool);
59 $::NOW = time;
60 if (@pool) { 114 if (@pool) {
61 (pop @pool)->ready; 115 (pop @pool)->ready;
62 } else { 116 } else {
63 async \&handler; 117 async \&handler;
64 } 118 }
65 119 }
66 } 120 };
67}; 121}
68 122
69loop; 123my $http_port = new Coro::Socket
70print "ende\n";#d# 124 LocalAddr => $SERVER_HOST,
125 LocalPort => $SERVER_PORT,
126 ReuseAddr => 1,
127 Listen => 50,
128 or die "unable to start server";
129
130listen_on $http_port;
131
132if ($SERVER_PORT2) {
133 my $http_port = new Coro::Socket
134 LocalAddr => $SERVER_HOST,
135 LocalPort => $SERVER_PORT2,
136 ReuseAddr => 1,
137 Listen => 50,
138 or die "unable to start server";
139
140 listen_on $http_port;
141}
71 142
72package conn; 143package conn;
144
145use strict;
146use bytes;
73 147
74use Socket; 148use Socket;
75use HTTP::Date; 149use HTTP::Date;
76use Convert::Scalar 'weaken'; 150use Convert::Scalar 'weaken';
151use IO::AIO;
77 152
153IO::AIO::min_parallel $::AIO_PARALLEL;
154
155Event->io (fd => IO::AIO::poll_fileno,
156 poll => 'r', async => 1,
157 cb => \&IO::AIO::poll_cb);
158
78our %conn; # $conn{ip}{fh} => connobj 159our %conn; # $conn{ip}{self} => connobj
160our %uri; # $uri{ip}{uri}{self}
79our %blocked; 161our %blocked;
162our %mimetype;
163
164sub read_mimetypes {
165 local *M;
166 if (open M, "<mime_types") {
167 while (<M>) {
168 if (/^([^#]\S+)\t+(\S+)$/) {
169 $mimetype{lc $1} = $2;
170 }
171 }
172 } else {
173 print "cannot open mime_types\n";
174 }
175}
176
177read_mimetypes;
80 178
81sub new { 179sub new {
82 my $class = shift; 180 my $class = shift;
83 my $fh = shift; 181 my $fh = shift;
182 my $peername = shift;
84 my $self = bless { fh => $fh }, $class; 183 my $self = bless { fh => $fh }, $class;
85 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 184 my (undef, $iaddr) = unpack_sockaddr_in $peername
86 or $self->err(500, "unable to get peername"); 185 or $self->err(500, "unable to decode peername");
186
187 $self->{remote_addr} =
87 $self->{remote_addr} = inet_ntoa $iaddr; 188 $self->{remote_id} = inet_ntoa $iaddr;
88 189
89 # enter ourselves into various lists 190 $self->{time} = $::NOW;
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 191
92 print "$self->{remote_addr}: ".($self*1)." > ".%{$conn{$self->{remote_addr}}},"\n"; 192 weaken ($Coro::current->{conn} = $self);
193
194 $::conns++;
195 $::maxconns = $::conns if $::conns > $::maxconns;
196
93 $self; 197 $self;
94} 198}
95 199
96sub DESTROY { 200sub DESTROY {
97 my $self = shift; 201 #my $self = shift;
98 delete $conn{$self->{remote_addr}}{$self*1}; 202 $::conns--;
99 delete $uri{$self->{uri}}{$self*1};
100} 203}
204
205sub prune_cache {
206 my $hash = $_[0];
207
208 for (keys %$hash) {
209 if (ref $hash->{$_} eq HASH::) {
210 prune_cache($hash->{$_});
211 unless (scalar keys %{$hash->{$_}}) {
212 delete $hash->{$_};
213 }
214 }
215 }
216}
217
218sub prune_caches {
219 prune_cache \%conn;
220 prune_cache \%uri;
221
222 for (keys %blocked) {
223 delete $blocked{$_} unless $blocked{$_}[0] > $::NOW;
224 }
225}
226
227Event->timer(interval => 60, cb => \&prune_caches);
101 228
102sub slog { 229sub slog {
103 main::slog(@_); 230 my $self = shift;
231 main::slog($_[0], "$self->{remote_id}> $_[1]");
104} 232}
105 233
106sub print_response { 234sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 235 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 236 my $res = "HTTP/1.1 $code $msg\015\012";
237 my $GZ = "";
109 238
110 $hdr->{Date} = time2str $::NOW; # slow? nah. 239 if (exists $hdr->{Connection}) {
240 if ($hdr->{Connection} =~ /close/) {
241 $self->{h}{connection} = "close"
242 }
243 } else {
244 if ($self->{version} < 1.1) {
245 if ($self->{h}{connection} =~ /keep-alive/i) {
246 $hdr->{Connection} = "Keep-Alive";
247 } else {
248 $self->{h}{connection} = "close"
249 }
250 }
251 }
252
253 if ($self->{method} ne "HEAD"
254 && $self->{h}{"accept-encoding"} =~ /\bgzip\b/
255 && 400 < length $content
256 && $hdr->{"Content-Length"} == length $content
257 && !exists $hdr->{"Content-Encoding"}
258 ) {
259 my $orig = length $content;
260 $hdr->{"Content-Encoding"} = "gzip";
261 $content = Compress::Zlib::memGzip(\$content);
262 $hdr->{"Content-Length"} = length $content;
263 $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig);
264 }
265
266 $res .= "Date: $HTTP_NOW\015\012";
267 $res .= "Server: $::NAME\015\012";
111 268
112 while (my ($h, $v) = each %$hdr) { 269 while (my ($h, $v) = each %$hdr) {
113 $res .= "$h: $v\015\012" 270 $res .= "$h: $v\015\012"
114 } 271 }
115 $res .= "\015\012$content" if defined $content; 272 $res .= "\015\012";
116 273
117 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 274 $res .= $content if defined $content and $self->{method} ne "HEAD";
118 275
119 print {$self->{fh}} $res; 276 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW).
277 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ.
278 " \"$self->{h}{referer}\"\n";
279
280 print $::accesslog $log if $::accesslog;
281 print STDERR $log;
282
283 $tbf_top->request(length $res, 1e6);
284 $self->{written} += print {$self->{fh}} $res;
120} 285}
121 286
122sub err { 287sub err {
123 my $self = shift; 288 my $self = shift;
124 my ($code, $msg, $hdr, $content) = @_; 289 my ($code, $msg, $hdr, $content) = @_;
125 290
126 unless (defined $content) { 291 unless (defined $content) {
127 $content = "$code $msg"; 292 $content = "$code $msg\n";
128 $hdr->{"Content-Type"} = "text/plain"; 293 $hdr->{"Content-Type"} = "text/plain";
129 $hdr->{"Content-Length"} = length $content; 294 $hdr->{"Content-Length"} = length $content;
130 } 295 }
296 $hdr->{"Connection"} = "close";
131 297
132 $self->slog($msg) if $code;
133
134 $self->print_response($code, $msg, $hdr, $content); 298 $self->response($code, $msg, $hdr, $content);
135 299
136 die bless {}, err::; 300 die bless {}, err::;
137} 301}
138 302
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}
151
152sub handle { 303sub handle {
153 my $self = shift; 304 my $self = shift;
154 my $fh = $self->{fh}; 305 my $fh = $self->{fh};
155 306
307 my $host;
308
309 $fh->timeout($::REQ_TIMEOUT);
156 #while() { 310 while() {
311 $self->{reqs}++;
312
313 # read request and parse first line
314 my $req = $fh->readline("\015\012\015\012");
315
316 unless (defined $req) {
317 if (exists $self->{version}) {
318 last;
319 } else {
320 $self->err(408, "request timeout");
321 }
322 }
323
157 $self->{h} = {}; 324 $self->{h} = {};
158 325
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); 326 $fh->timeout($::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 }
180 327
181 $req =~ /^(?:\015\012)? 328 $req =~ /^(?:\015\012)?
182 (GET|HEAD) \040+ 329 (GET|HEAD) \040+
183 ([^\040]+) \040+ 330 ([^\040]+) \040+
184 HTTP\/([0-9]+\.[0-9]+) 331 HTTP\/([0-9]+\.[0-9]+)
185 \015\012/gx 332 \015\012/gx
186 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 333 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");
190 334
191 $self->{method} = $1; 335 $self->{method} = $1;
192 $self->{uri} = $2; 336 $self->{uri} = $2;
337 $self->{version} = $3;
338
339 $3 =~ /^1\./
340 or $self->err(506, "http protocol version $3 not supported");
193 341
194 # parse headers 342 # parse headers
195 { 343 {
196 my (%hdr, $h, $v); 344 my (%hdr, $h, $v);
197 345
198 $hdr{lc $1} .= ",$2" 346 $hdr{lc $1} .= ",$2"
199 while $req =~ /\G 347 while $req =~ /\G
200 ([^:\000-\040]+): 348 ([^:\000-\040]+):
201 [\008\040]* 349 [\011\040]*
202 ((?: [^\015\012]+ | \015\012[\008\040] )*) 350 ((?: [^\015\012]+ | \015\012[\011\040] )*)
203 \015\012 351 \015\012
204 /gxc; 352 /gxc;
205 353
206 $req =~ /\G\015\012$/ 354 $req =~ /\G\015\012$/
207 or $self->err(400, "bad request"); 355 or $self->err(400, "bad request");
208 356
209 $self->{h}{$h} = substr $v, 1 357 $self->{h}{$h} = substr $v, 1
210 while ($h, $v) = each %hdr; 358 while ($h, $v) = each %hdr;
211 } 359 }
212 360
361 # remote id should be unique per user
362 my $id = $self->{remote_addr};
363
364 if (exists $self->{h}{"client-ip"}) {
365 $id .= "[".$self->{h}{"client-ip"}."]";
366 } elsif (exists $self->{h}{"x-forwarded-for"}) {
367 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
368 }
369
370 $self->{remote_id} = $id;
371
372 weaken (local $conn{$id}{$self*1} = $self);
373
374 if ($blocked{$id}) {
375 $self->err_blocked
376 if $blocked{$id}[0] > $::NOW;
377
378 delete $blocked{$id};
379 }
380
381 # find out server name and port
382 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
383 $host = $1;
384 } else {
385 $host = $self->{h}{host};
386 }
387
388 if (defined $host) {
213 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 389 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
390 } else {
391 ($self->{server_port}, $host)
392 = unpack_sockaddr_in $self->{fh}->sockname
393 or $self->err(500, "unable to get socket name");
394 $host = inet_ntoa $host;
395 }
214 396
397 $self->{server_name} = $host;
398
215 weaken ($uri{$self->{uri}}{$self*1} = $self); 399 weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self);
216 400
401 eval {
217 $self->map_uri; 402 $self->map_uri;
218
219 Coro::Event::do_timer(after => 5);
220
221 $self->respond; 403 $self->respond;
404 };
405
406 die if $@ && !ref $@;
407
408 last if $self->{h}{connection} =~ /close/i;
409
410 $httpevent->broadcast;
411
412 $fh->timeout($::PER_TIMEOUT);
222 #} 413 }
414}
415
416sub block {
417 my $self = shift;
418
419 $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]];
420 $self->slog(2, "blocked ip $self->{remote_id}");
421 $self->err_blocked;
223} 422}
224 423
225# uri => path mapping 424# uri => path mapping
226sub map_uri { 425sub map_uri {
227 my $self = shift; 426 my $self = shift;
228 my $host = $self->{h}{host} || "default"; 427 my $host = $self->{server_name};
229 my $uri = $self->{uri}; 428 my $uri = $self->{uri};
230 429
231 # some massaging, also makes it more secure 430 # some massaging, also makes it more secure
232 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 431 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
233 $uri =~ s%//+%/%g; 432 $uri =~ s%//+%/%g;
… …
239 438
240 $self->{name} = $uri; 439 $self->{name} = $uri;
241 440
242 # now do the path mapping 441 # now do the path mapping
243 $self->{path} = "$::DOCROOT/$host$uri"; 442 $self->{path} = "$::DOCROOT/$host$uri";
244}
245 443
246sub server_address { 444 $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} 445}
273 446
274sub _cgi { 447sub _cgi {
275 my $self = shift; 448 my $self = shift;
276 my $path = shift; 449 my $path = shift;
… …
279 # no two-way xxx supported 452 # no two-way xxx supported
280 if (0 == fork) { 453 if (0 == fork) {
281 open STDOUT, ">&".fileno($self->{fh}); 454 open STDOUT, ">&".fileno($self->{fh});
282 if (chdir $::DOCROOT) { 455 if (chdir $::DOCROOT) {
283 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 456 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
284 $ENV{HTTP_HOST} = $self->server_host; 457 $ENV{HTTP_HOST} = $self->{server_name};
285 $ENV{HTTP_PORT} = $self->{server_host}; 458 $ENV{HTTP_PORT} = $self->{server_port};
286 $ENV{SCRIPT_NAME} = $self->{name}; 459 $ENV{SCRIPT_NAME} = $self->{name};
287 exec $::INDEXPROG; 460 exec $path;
288 } 461 }
289 Coro::State::_exit(0); 462 Coro::State::_exit(0);
290 } else { 463 } else {
464 die;
291 } 465 }
466}
467
468sub server_hostport {
469 $_[0]{server_port} == 80
470 ? $_[0]{server_name}
471 : "$_[0]{server_name}:$_[0]{server_port}";
292} 472}
293 473
294sub respond { 474sub respond {
295 my $self = shift; 475 my $self = shift;
296 my $path = $self->{path}; 476 my $path = $self->{path};
297 477
298 stat $path 478 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
299 or $self->err(404, "not found"); 479 if ($::internal{$1}) {
300 480 $::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 { 481 } else {
312 $ims < (stat _)[9] 482 $self->err(404, "not found");
483 }
484 } else {
485
486 stat $path
487 or $self->err(404, "not found");
488
489 $self->{stat} = [stat _];
490
491 # idiotic netscape sends idiotic headers AGAIN
492 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
493 ? str2time $1 : 0;
494
495 if (-d _ && -r _) {
496 # directory
497 if ($path !~ /\/$/) {
498 # create a redirect to get the trailing "/"
499 # we don't try to avoid the :80
500 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
501 } else {
502 $ims < $self->{stat}[9]
313 or $self->err(304, "not modified"); 503 or $self->err(304, "not modified");
314 504
315 if ($self->{method} eq "GET") {
316 if (-r "$path/index.html") { 505 if (-r "$path/index.html") {
506 # replace directory "size" by index.html filesize
317 $self->{path} .= "/index.html"; 507 $self->{stat} = [stat ($self->{path} .= "/index.html")];
318 $self->handle_file; 508 $self->handle_file($queue_index, $tbf_top);
319 } else { 509 } else {
320 $self->handle_dir; 510 $self->handle_dir;
321 } 511 }
322 } 512 }
323 }
324 } elsif (-f _ && -r _) { 513 } elsif (-f _ && -r _) {
325 -x _ and $self->err(403, "forbidden"); 514 -x _ and $self->err(403, "forbidden");
326 $self->handle_file; 515
516 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
517 my $timeout = $::NOW + 10;
518 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
519 if ($timeout < $::NOW) {
520 $self->block($::BLOCKTIME, "too many connections");
521 } else {
522 $httpevent->wait;
523 }
524 }
525 }
526
527 $self->handle_file($queue_file, $tbf_top);
327 } else { 528 } else {
328 $self->err(404, "not found"); 529 $self->err(404, "not found");
530 }
329 } 531 }
330} 532}
331 533
332sub handle_dir { 534sub handle_dir {
333 my $self = shift; 535 my $self = shift;
334 $self->_cgi($::INDEXPROG); 536 my $idx = $self->diridx;
537
538 $self->response(200, "ok",
539 {
540 "Content-Type" => "text/html; charset=utf-8",
541 "Content-Length" => length $idx,
542 "Last-Modified" => time2str ($self->{stat}[9]),
543 },
544 $idx);
335} 545}
336 546
337sub handle_file { 547sub handle_file {
338 my $self = shift; 548 my ($self, $queue, $tbf) = @_;
339 my $length = -s _; 549 my $length = $self->{stat}[7];
340 my $hdr = { 550 my $hdr = {
341 "Last-Modified" => time2str ((stat _)[9]), 551 "Last-Modified" => time2str ((stat _)[9]),
552 "Accept-Ranges" => "bytes",
342 }; 553 };
343 554
344 my @code = (200, "ok"); 555 my @code = (200, "ok");
345 my ($l, $h); 556 my ($l, $h);
346 557
… …
352 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 563 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
353 } else { 564 } else {
354 ($l, $h) = (0, $length - 1); 565 ($l, $h) = (0, $length - 1);
355 goto ignore; 566 goto ignore;
356 } 567 }
357 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 568 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
358 } 569 }
359 $hdr->{"Content-Range"} = "bytes */$length"; 570 $hdr->{"Content-Range"} = "bytes */$length";
571 $hdr->{"Content-Length"} = $length;
360 $self->err(416, "not satisfiable", $hdr); 572 $self->err(416, "not satisfiable", $hdr, "");
361 573
362satisfiable: 574satisfiable:
575 # check for segmented downloads
576 if ($l && $::NO_SEGMENTED) {
577 my $timeout = $::NOW + 15;
578 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
579 if ($timeout <= $::NOW) {
580 $self->block($::BLOCKTIME, "segmented downloads are forbidden");
581 #$self->err_segmented_download;
582 } else {
583 $httpevent->wait;
584 }
585 }
586 }
587
363 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 588 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
364 @code = (206, "partial content"); 589 @code = (206, "partial content");
365 $length = $h - $l + 1; 590 $length = $h - $l + 1;
366 591
367ignore: 592ignore:
368 } else { 593 } else {
369 ($l, $h) = (0, $length - 1); 594 ($l, $h) = (0, $length - 1);
370 } 595 }
371 596
372 if ($self->{path} =~ /\.html$/) { 597 $self->{path} =~ /\.([^.]+)$/;
373 $hdr->{"Content-Type"} = "text/html";
374 } else {
375 $hdr->{"Content-Type"} = "application/octet-stream"; 598 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
376 }
377
378 $hdr->{"Content-Length"} = $length; 599 $hdr->{"Content-Length"} = $length;
379 600
380 $self->print_response(@code, $hdr, ""); 601 $self->response(@code, $hdr, "");
381 602
382 if ($self->{method} eq "GET") { 603 if ($self->{method} eq "GET") {
604 $self->{time} = $::NOW;
605 $self->{written} = 0;
606
383 my ($fh, $buf); 607 my $fh;
608
384 open $fh, "<", $self->{path} 609 open $fh, "<", $self->{path}
385 or die "$self->{path}: late open failure ($!)"; 610 or die "$self->{path}: late open failure ($!)";
386 611
387 if ($l) {
388 sysseek $fh, $l, 0
389 or die "$self->{path}: cannot seek to $l ($!)";
390 }
391
392 $h -= $l - 1; 612 $h -= $l - 1;
393 613
614 if (0) { # !AIO
615 if ($l) {
616 sysseek $fh, $l, 0;
617 }
618 }
619
620 my $transfer = $queue->start_transfer($h);
621 my $locked;
622 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
623
394 while ($h > 0) { 624 while ($h > 0) {
395 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 625 unless ($locked) {
396 print {$self->{fh}} $buf 626 if ($locked ||= $transfer->try($::WAIT_INTERVAL)) {
627 $bufsize = $::BUFSIZE;
628 $self->{time} = $::NOW;
629 $self->{written} = 0;
630 }
631 }
632
633 if ($blocked{$self->{remote_id}}) {
634 $self->{h}{connection} = "close";
635 die bless {}, err::;
636 }
637
638 Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0
397 or last; 639 or last;
398 }
399 }
400 640
641 $tbf->request (length $buf);
642 my $w = syswrite $self->{fh}, $buf
643 or last;
644 $::written += $w;
645 $self->{written} += $w;
646 $l += $w;
647 }
648
401 close $fh; 649 close $fh;
650 }
402} 651}
403 652
4041; 6531
654

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