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/cvs/cvsroot/Coro/myhttpd/httpd.pl
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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.1 by root, Thu Aug 9 02:57:54 2001 UTC vs.
Revision 1.84 by root, Sat Dec 8 21:01:16 2007 UTC

1#!/usr/bin/perl
2
3use Coro; 1use Coro;
4use Coro::Semaphore; 2use Coro::Semaphore;
5use Coro::Event; 3use Coro::EV;
6use Coro::Socket; 4use Coro::Socket;
5use Coro::Signal;
6use Coro::AIO ();
7
8use HTTP::Date;
9use POSIX ();
10
11use Compress::Zlib ();
7 12
8no utf8; 13no utf8;
9use bytes; 14use bytes;
10 15
11# at least on my machine, this thingy serves files 16# at least on my machine, this thingy serves files
12# quite a bit faster than apache, ;) 17# quite a bit faster than apache, ;)
13# and quite a bit slower than thttpd :( 18# and quite a bit slower than thttpd :(
14 19
15my $port = new Coro::Socket
16 LocalAddr => $SERVER_HOST,
17 LocalPort => $SERVER_PORT,
18 ReuseAddr => 1,
19 Listen => 1,
20 or die "unable to start server";
21
22$SIG{PIPE} = 'IGNORE'; 20$SIG{PIPE} = 'IGNORE';
23 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
24sub slog { 51sub slog {
25 my $level = shift; 52 my $level = shift;
26 my $format = shift; 53 my $format = shift;
54 my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW);
27 printf "---: $format\n", @_; 55 printf "$NOW: $format\n", @_;
56 printf $errorlog "$NOW: $format\n", @_ if $errorlog;
28} 57}
29 58
30my $connections = new Coro::Semaphore $MAX_CONNECTS; 59our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
60our $httpevent = new Coro::Signal;
31 61
32my @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;
33my @pool; 81my @pool;
34 82
83# one "execution thread"
35sub handler { 84sub handler {
36 while () { 85 while () {
37 my $fh = pop @fh; 86 if (@newcons) {
38 if ($fh) {
39 eval { 87 eval {
40 conn->new($fh)->handle; 88 conn->new (@{pop @newcons})->handle;
41 }; 89 };
42 close $fh;
43 slog 1, "$@" if $@ && !ref $@; 90 slog 1, "$@" if $@ && !ref $@;
91
92 $httpevent->broadcast; # only for testing, but doesn't matter much
93
44 $connections->up; 94 $connections->up;
45 } else { 95 } else {
46 last if @pool >= $MAX_POOL; 96 last if @pool >= $MAX_POOL;
47 push @pool, $Coro::current; 97 push @pool, $Coro::current;
48 schedule; 98 schedule;
49 } 99 }
50 } 100 }
51} 101}
52 102
103sub listen_on {
104 my $listen = $_[0];
105
106 push @listen_sockets, $listen;
107
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 if (@pool) { 115 if (@pool) {
60 (pop @pool)->ready; 116 (pop @pool)->ready;
61 } else { 117 } else {
62 async \&handler; 118 async \&handler;
63 } 119 }
64 120 }
65 } 121 };
66}; 122}
67 123
68loop; 124my $http_port = new Coro::Socket
69print "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}
70 143
71package conn; 144package conn;
145
146use strict;
147use bytes;
72 148
73use Socket; 149use Socket;
74use HTTP::Date; 150use HTTP::Date;
151use Convert::Scalar 'weaken';
152use IO::AIO;
153
154IO::AIO::min_parallel $::AIO_PARALLEL;
155
156our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
157
158our %conn; # $conn{ip}{self} => connobj
159our %uri; # $uri{ip}{uri}{self}
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;
75 176
76sub new { 177sub new {
77 my $class = shift; 178 my $class = shift;
78 my $fh = shift; 179 my $fh = shift;
180 my $peername = shift;
181 my $self = bless { fh => $fh }, $class;
79 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 182 my (undef, $iaddr) = unpack_sockaddr_in $peername
80 or $self->err(500, "unable to get peername"); 183 or $self->err (500, "unable to decode peername");
184
185 $self->{remote_addr} =
81 $self->{remote_address} = inet_ntoa $iaddr; 186 $self->{remote_id} = inet_ntoa $iaddr;
82 bless { fh => $fh }, $class; 187
188 $self->{time} = $::NOW;
189
190 weaken ($Coro::current->{conn} = $self);
191
192 ++$::conns;
193 $::maxconns = $::conns if $::conns > $::maxconns;
194
195 $self
83} 196}
197
198sub DESTROY {
199 my $self = shift;
200
201 --$::conns;
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;
84 227
85sub slog { 228sub slog {
86 main::slog(@_); 229 my $self = shift;
230 main::slog($_[0], "$self->{remote_id}> $_[1]");
87} 231}
88 232
89sub print_response { 233sub response {
90 my ($self, $code, $msg, $hdr, $content) = @_; 234 my ($self, $code, $msg, $hdr, $content) = @_;
91 my $res = "HTTP/1.0 $code $msg\015\012"; 235 my $res = "HTTP/1.1 $code $msg\015\012";
236 my $GZ = "";
92 237
93 $hdr->{Date} = time2str time; # 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: $::NAME\015\012";
94 267
95 while (my ($h, $v) = each %$hdr) { 268 while (my ($h, $v) = each %$hdr) {
96 $res .= "$h: $v\015\012" 269 $res .= "$h: $v\015\012"
97 } 270 }
98 $res .= "\015\012$content" if defined $content; 271 $res .= "\015\012";
99 272
100 print {$self->{fh}} $res; 273 $res .= $content if defined $content and $self->{method} ne "HEAD";
274
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;
101} 284}
102 285
103sub err { 286sub err {
104 my $self = shift; 287 my $self = shift;
105 my ($code, $msg, $hdr, $content) = @_; 288 my ($code, $msg, $hdr, $content) = @_;
106 289
107 unless (defined $content) { 290 unless (defined $content) {
108 $content = "$code $msg"; 291 $content = "$code $msg\n";
109 $hdr->{"Content-Type"} = "text/plain"; 292 $hdr->{"Content-Type"} = "text/plain";
110 $hdr->{"Content-Length"} = length $content; 293 $hdr->{"Content-Length"} = length $content;
111 } 294 }
295 $hdr->{"Connection"} = "close";
112 296
113 $self->slog($msg) if $code;
114
115 $self->print_response($code, $msg, $hdr, $content); 297 $self->response ($code, $msg, $hdr, $content);
116 298
117 die bless {}, err::; 299 die bless {}, err::
118} 300}
119 301
120sub handle { 302sub handle {
121 my $self = shift; 303 my $self = shift;
122 my $fh = $self->{fh}; 304 my $fh = $self->{fh};
123 305
306 my $host;
307
308 $fh->timeout($::REQ_TIMEOUT);
124 #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
125 $self->{h} = {}; 323 $self->{h} = {};
126 324
127 # read request and parse first line
128 $fh->timeout($::REQ_TIMEOUT);
129 my $req = $fh->readline("\015\012\015\012");
130 $fh->timeout($::RES_TIMEOUT); 325 $fh->timeout($::RES_TIMEOUT);
131
132 defined $req or
133 $self->err(408, "request timeout");
134 326
135 $req =~ /^(?:\015\012)? 327 $req =~ /^(?:\015\012)?
136 (GET|HEAD) \040+ 328 (GET|HEAD) \040+
137 ([^\040]+) \040+ 329 ([^\040]+) \040+
138 HTTP\/([0-9]+\.[0-9]+) 330 HTTP\/([0-9]+\.[0-9]+)
139 \015\012/gx 331 \015\012/gx
140 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 332 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
141
142 $2 ne "1.0"
143 or $self->err(506, "http protocol version not supported");
144 333
145 $self->{method} = $1; 334 $self->{method} = $1;
146 $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");
147 340
148 # parse headers 341 # parse headers
149 { 342 {
150 my (%hdr, $h, $v); 343 my (%hdr, $h, $v);
151 344
152 $hdr{lc $1} .= ",$2" 345 $hdr{lc $1} .= ",$2"
153 while $req =~ /\G 346 while $req =~ /\G
154 ([^:\000-\040]+): 347 ([^:\000-\040]+):
155 [\008\040]* 348 [\011\040]*
156 ((?: [^\015\012]+ | \015\012[\008\040] )*) 349 ((?: [^\015\012]+ | \015\012[\011\040] )*)
157 \015\012 350 \015\012
158 /gxc; 351 /gxc;
159 352
160 $req =~ /\G\015\012$/ 353 $req =~ /\G\015\012$/
161 or $self->err(400, "bad request"); 354 or $self->err(400, "bad request");
162 355
163 $self->{h}{$h} = substr $v, 1 356 $self->{h}{$h} = substr $v, 1
164 while ($h, $v) = each %hdr; 357 while ($h, $v) = each %hdr;
165 } 358 }
166 359
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) {
167 $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 }
168 395
396 $self->{server_name} = $host;
397
398 weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self);
399
400 eval {
169 $self->map_uri; 401 $self->map_uri;
170 $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);
171 #} 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;
172} 421}
173 422
174# uri => path mapping 423# uri => path mapping
175sub map_uri { 424sub map_uri {
176 my $self = shift; 425 my $self = shift;
177 my $host = $self->{h}{host} || "default"; 426 my $host = $self->{server_name};
178 my $uri = $self->{uri}; 427 my $uri = $self->{uri};
179 428
180 # some massaging, also makes it more secure 429 # some massaging, also makes it more secure
181 $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;
182 $uri =~ s%//+%/%g; 431 $uri =~ s%//+%/%g;
… …
188 437
189 $self->{name} = $uri; 438 $self->{name} = $uri;
190 439
191 # now do the path mapping 440 # now do the path mapping
192 $self->{path} = "$::DOCROOT/$host$uri"; 441 $self->{path} = "$::DOCROOT/$host$uri";
193}
194 442
195sub server_address { 443 $self->access_check;
196 my $self = shift;
197 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
198 or $self->err(500, "unable to get socket name");
199 ((inet_ntoa $iaddr), $port);
200}
201
202sub server_host {
203 my $self = shift;
204 if (exists $self->{h}{host}) {
205 return $self->{h}{host};
206 } else {
207 return (($self->server_address)[0]);
208 }
209}
210
211sub server_hostport {
212 my $self = shift;
213 my ($host, $port);
214 if (exists $self->{h}{host}) {
215 ($host, $port) = ($self->{h}{host}, $self->{server_port});
216 } else {
217 ($host, $port) = $self->server_address;
218 }
219 $port = $port == 80 ? "" : ":$port";
220 $host.$port;
221} 444}
222 445
223sub _cgi { 446sub _cgi {
224 my $self = shift; 447 my $self = shift;
225 my $path = shift; 448 my $path = shift;
… …
228 # no two-way xxx supported 451 # no two-way xxx supported
229 if (0 == fork) { 452 if (0 == fork) {
230 open STDOUT, ">&".fileno($self->{fh}); 453 open STDOUT, ">&".fileno($self->{fh});
231 if (chdir $::DOCROOT) { 454 if (chdir $::DOCROOT) {
232 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 455 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
233 $ENV{HTTP_HOST} = $self->server_host; 456 $ENV{HTTP_HOST} = $self->{server_name};
234 $ENV{HTTP_PORT} = $self->{server_host}; 457 $ENV{HTTP_PORT} = $self->{server_port};
235 $ENV{SCRIPT_NAME} = $self->{name}; 458 $ENV{SCRIPT_NAME} = $self->{name};
236 exec $::INDEXPROG; 459 exec $path;
237 } 460 }
238 Coro::State::_exit(0); 461 Coro::State::_exit(0);
239 } else { 462 } else {
463 die;
240 } 464 }
465}
466
467sub server_hostport {
468 $_[0]{server_port} == 80
469 ? $_[0]{server_name}
470 : "$_[0]{server_name}:$_[0]{server_port}";
241} 471}
242 472
243sub respond { 473sub respond {
244 my $self = shift; 474 my $self = shift;
245 my $path = $self->{path}; 475 my $path = $self->{path};
246 476
247 stat $path 477 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
248 or $self->err(404, "not found"); 478 if ($::internal{$1}) {
249 479 $::internal{$1}->($self);
250 # idiotic netscape sends idiotic headers AGAIN
251 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
252 ? str2time $1 : 0;
253
254 if (-d _ && -r _) {
255 # directory
256 if ($path !~ /\/$/) {
257 # create a redirect to get the trailing "/"
258 my $host = $self->server_hostport;
259 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
260 } else { 480 } else {
261 $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]
262 or $self->err(304, "not modified"); 502 or $self->err (304, "not modified");
263 503
264 if ($self->{method} eq "GET") {
265 if (-r "$path/index.html") { 504 if (-r "$path/index.html") {
505 # replace directory "size" by index.html filesize
266 $self->{path} .= "/index.html"; 506 $self->{stat} = [stat ($self->{path} .= "/index.html")];
267 $self->handle_file; 507 $self->handle_file ($queue_index, $tbf_top);
268 } else { 508 } else {
269 $self->handle_dir; 509 $self->handle_dir;
270 } 510 }
271 } 511 }
272 }
273 } elsif (-f _ && -r _) { 512 } elsif (-f _ && -r _) {
274 -x _ and $self->err(403, "forbidden"); 513 -x _ and $self->err (403, "forbidden");
275 $self->handle_file; 514
515 if (keys %{$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);
276 } else { 527 } else {
277 $self->err(404, "not found"); 528 $self->err (404, "not found");
529 }
278 } 530 }
279} 531}
280 532
281sub handle_dir { 533sub handle_dir {
282 my $self = shift; 534 my $self = shift;
283 $self->_cgi($::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);
284} 544}
285 545
286sub handle_file { 546sub handle_file {
287 my $self = shift; 547 my ($self, $queue, $tbf) = @_;
288 my $length = -s _; 548 my $length = $self->{stat}[7];
289 my $hdr = { 549 my $hdr = {
290 "Last-Modified" => time2str ((stat _)[9]), 550 "Last-Modified" => time2str ((stat _)[9]),
551 "Accept-Ranges" => "bytes",
291 }; 552 };
292 553
293 my @code = (200, "ok"); 554 my @code = (200, "ok");
294 my ($l, $h); 555 my ($l, $h);
295 556
… …
301 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 562 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
302 } else { 563 } else {
303 ($l, $h) = (0, $length - 1); 564 ($l, $h) = (0, $length - 1);
304 goto ignore; 565 goto ignore;
305 } 566 }
306 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 567 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
307 } 568 }
308 $hdr->{"Content-Range"} = "bytes */$length"; 569 $hdr->{"Content-Range"} = "bytes */$length";
570 $hdr->{"Content-Length"} = $length;
309 $self->err(416, "not satisfiable", $hdr); 571 $self->err (416, "not satisfiable", $hdr, "");
310 572
311satisfiable: 573satisfiable:
574 # check for segmented downloads
575 if ($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
312 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 587 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
313 @code = (206, "partial content"); 588 @code = (206, "partial content");
314 $length = $h - $l + 1; 589 $length = $h - $l + 1;
315 590
316ignore: 591ignore:
317 } else { 592 } else {
318 ($l, $h) = (0, $length - 1); 593 ($l, $h) = (0, $length - 1);
319 } 594 }
320 595
321 if ($self->{path} =~ /\.html$/) { 596 $self->{path} =~ /\.([^.]+)$/;
322 $hdr->{"Content-Type"} = "text/html";
323 } else {
324 $hdr->{"Content-Type"} = "application/octet-stream"; 597 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
325 }
326
327 $hdr->{"Content-Length"} = $length; 598 $hdr->{"Content-Length"} = $length;
328 599
329 $self->print_response(@code, $hdr, ""); 600 $self->response (@code, $hdr, "");
330 601
331 if ($self->{method} eq "GET") { 602 if ($self->{method} eq "GET") {
332 my ($fh, $buf); 603 $self->{time} = $::NOW;
604 $self->{written} = 0;
605
333 open $fh, "<", $self->{path} 606 open my $fh, "<", $self->{path}
334 or die "$self->{path}: late open failure ($!)"; 607 or die "$self->{path}: late open failure ($!)";
335 608
336 if ($l) {
337 sysseek $fh, $l, 0
338 or die "$self->{path}: cannot seek to $l ($!)";
339 }
340
341 $h -= $l - 1; 609 $h -= $l - 1;
342 610
611 my $transfer = $queue->start_transfer ($h);
612 my $locked;
613 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
614
343 while ($h > 0) { 615 while ($h > 0) {
344 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 616 unless ($locked) {
345 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
346 or last; 630 or last;
347 }
348 }
349 631
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
350 close $fh; 640 close $fh;
641 }
351} 642}
643
6441
645

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