1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::Event; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
5 | use Coro::Signal; |
5 | use Coro::Signal; |
|
|
6 | use Coro::AIO (); |
6 | |
7 | |
7 | use HTTP::Date; |
8 | use HTTP::Date; |
8 | use POSIX (); |
9 | use POSIX (); |
|
|
10 | |
|
|
11 | use Compress::Zlib (); |
9 | |
12 | |
10 | no utf8; |
13 | no utf8; |
11 | use bytes; |
14 | use bytes; |
12 | |
15 | |
13 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
… | |
… | |
19 | our $accesslog; |
22 | our $accesslog; |
20 | our $errorlog; |
23 | our $errorlog; |
21 | |
24 | |
22 | our $NOW; |
25 | our $NOW; |
23 | our $HTTP_NOW; |
26 | our $HTTP_NOW; |
|
|
27 | |
|
|
28 | our $ERROR_LOG; |
|
|
29 | our $ACCESS_LOG; |
24 | |
30 | |
25 | Event->timer(interval => 1, hard => 1, cb => sub { |
31 | Event->timer(interval => 1, hard => 1, cb => sub { |
26 | $NOW = time; |
32 | $NOW = time; |
27 | $HTTP_NOW = time2str $NOW; |
33 | $HTTP_NOW = time2str $NOW; |
28 | })->now; |
34 | })->now; |
… | |
… | |
53 | our $httpevent = new Coro::Signal; |
59 | our $httpevent = new Coro::Signal; |
54 | |
60 | |
55 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
61 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
56 | our $queue_index = new transferqueue 10; |
62 | our $queue_index = new transferqueue 10; |
57 | |
63 | |
|
|
64 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
|
|
65 | |
|
|
66 | my $unused_bytes = 0; |
|
|
67 | my $unused_last = time; |
|
|
68 | |
|
|
69 | sub 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 | $queue_file->force_wake_next; |
|
|
75 | slog 1, "forced filetransfer due to unused bandwidth"; |
|
|
76 | } |
|
|
77 | } |
|
|
78 | |
58 | my @newcons; |
79 | my @newcons; |
59 | my @pool; |
80 | my @pool; |
60 | |
81 | |
61 | # one "execution thread" |
82 | # one "execution thread" |
62 | sub handler { |
83 | sub handler { |
63 | while () { |
84 | while () { |
64 | if (@newcons) { |
85 | if (@newcons) { |
65 | eval { |
86 | eval { |
66 | conn->new(@{pop @newcons})->handle; |
87 | conn->new (@{pop @newcons})->handle; |
67 | }; |
88 | }; |
68 | slog 1, "$@" if $@ && !ref $@; |
89 | slog 1, "$@" if $@ && !ref $@; |
69 | |
90 | |
70 | $httpevent->broadcast; # only for testing, but doesn't matter much |
91 | $httpevent->broadcast; # only for testing, but doesn't matter much |
71 | |
92 | |
… | |
… | |
93 | if (@pool) { |
114 | if (@pool) { |
94 | (pop @pool)->ready; |
115 | (pop @pool)->ready; |
95 | } else { |
116 | } else { |
96 | async \&handler; |
117 | async \&handler; |
97 | } |
118 | } |
98 | |
|
|
99 | } |
119 | } |
100 | }; |
120 | }; |
101 | } |
121 | } |
102 | |
122 | |
103 | my $http_port = new Coro::Socket |
123 | my $http_port = new Coro::Socket |
104 | LocalAddr => $SERVER_HOST, |
124 | LocalAddr => $SERVER_HOST, |
105 | LocalPort => $SERVER_PORT, |
125 | LocalPort => $SERVER_PORT, |
106 | ReuseAddr => 1, |
126 | ReuseAddr => 1, |
107 | Listen => 50, |
127 | Listen => 50, |
108 | or die "unable to start server"; |
128 | or die "unable to start server"; |
109 | |
129 | |
110 | listen_on $http_port; |
130 | listen_on $http_port; |
111 | |
131 | |
112 | if ($SERVER_PORT2) { |
132 | if ($SERVER_PORT2) { |
113 | my $http_port = new Coro::Socket |
133 | my $http_port = new Coro::Socket |
114 | LocalAddr => $SERVER_HOST, |
134 | LocalAddr => $SERVER_HOST, |
115 | LocalPort => $SERVER_PORT2, |
135 | LocalPort => $SERVER_PORT2, |
116 | ReuseAddr => 1, |
136 | ReuseAddr => 1, |
117 | Listen => 50, |
137 | Listen => 50, |
118 | or die "unable to start server"; |
138 | or die "unable to start server"; |
119 | |
139 | |
120 | listen_on $http_port; |
140 | listen_on $http_port; |
121 | } |
141 | } |
122 | |
142 | |
123 | package conn; |
143 | package conn; |
|
|
144 | |
|
|
145 | use strict; |
|
|
146 | use bytes; |
124 | |
147 | |
125 | use Socket; |
148 | use Socket; |
126 | use HTTP::Date; |
149 | use HTTP::Date; |
127 | use Convert::Scalar 'weaken'; |
150 | use Convert::Scalar 'weaken'; |
128 | use Linux::AIO; |
151 | use IO::AIO; |
129 | |
152 | |
130 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
131 | |
154 | |
132 | Event->io(fd => Linux::AIO::poll_fileno, |
155 | Event->io (fd => IO::AIO::poll_fileno, |
133 | poll => 'r', async => 1, |
156 | poll => 'r', async => 1, |
134 | cb => \&Linux::AIO::poll_cb); |
157 | cb => \&IO::AIO::poll_cb); |
135 | |
158 | |
136 | our %conn; # $conn{ip}{self} => connobj |
159 | our %conn; # $conn{ip}{self} => connobj |
137 | our %uri; # $uri{ip}{uri}{self} |
160 | our %uri; # $uri{ip}{uri}{self} |
138 | our %blocked; |
161 | our %blocked; |
139 | our %mimetype; |
162 | our %mimetype; |
140 | |
163 | |
141 | sub read_mimetypes { |
164 | sub read_mimetypes { |
142 | local *M; |
|
|
143 | if (open M, "<mime_types") { |
165 | if (open my $fh, "<mime_types") { |
144 | while (<M>) { |
166 | while (<$fh>) { |
145 | if (/^([^#]\S+)\t+(\S+)$/) { |
167 | if (/^([^#]\S+)\t+(\S+)$/) { |
146 | $mimetype{lc $1} = $2; |
168 | $mimetype{lc $1} = $2; |
147 | } |
169 | } |
148 | } |
170 | } |
149 | } else { |
171 | } else { |
… | |
… | |
157 | my $class = shift; |
179 | my $class = shift; |
158 | my $fh = shift; |
180 | my $fh = shift; |
159 | my $peername = shift; |
181 | my $peername = shift; |
160 | my $self = bless { fh => $fh }, $class; |
182 | my $self = bless { fh => $fh }, $class; |
161 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
183 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
162 | or $self->err(500, "unable to decode peername"); |
184 | or $self->err (500, "unable to decode peername"); |
163 | |
185 | |
164 | $self->{remote_addr} = |
186 | $self->{remote_addr} = |
165 | $self->{remote_id} = inet_ntoa $iaddr; |
187 | $self->{remote_id} = inet_ntoa $iaddr; |
|
|
188 | |
166 | $self->{time} = $::NOW; |
189 | $self->{time} = $::NOW; |
167 | |
190 | |
168 | weaken ($Coro::current->{conn} = $self); |
191 | weaken ($Coro::current->{conn} = $self); |
169 | |
192 | |
170 | $::conns++; |
193 | $::conns++; |
171 | $::maxconns = $::conns if $::conns > $::maxconns; |
194 | $::maxconns = $::conns if $::conns > $::maxconns; |
172 | |
195 | |
173 | $self; |
196 | $self |
174 | } |
197 | } |
175 | |
198 | |
176 | sub DESTROY { |
199 | sub DESTROY { |
177 | #my $self = shift; |
200 | #my $self = shift; |
|
|
201 | close $self->{fh}; # workaround |
178 | $::conns--; |
202 | --$::conns; |
179 | } |
203 | } |
|
|
204 | |
|
|
205 | sub 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 | |
|
|
218 | sub 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 | |
|
|
227 | Event->timer (interval => 60, cb => \&prune_caches); |
180 | |
228 | |
181 | sub slog { |
229 | sub slog { |
182 | my $self = shift; |
230 | my $self = shift; |
183 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
184 | } |
232 | } |
185 | |
233 | |
186 | sub response { |
234 | sub response { |
187 | my ($self, $code, $msg, $hdr, $content) = @_; |
235 | my ($self, $code, $msg, $hdr, $content) = @_; |
188 | my $res = "HTTP/1.1 $code $msg\015\012"; |
236 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
237 | my $GZ = ""; |
189 | |
238 | |
190 | if (exists $hdr->{Connection}) { |
239 | if (exists $hdr->{Connection}) { |
191 | if ($hdr->{Connection} =~ /close/) { |
240 | if ($hdr->{Connection} =~ /close/) { |
192 | $self->{h}{connection} = "close" |
241 | $self->{h}{connection} = "close" |
193 | } |
242 | } |
… | |
… | |
199 | $self->{h}{connection} = "close" |
248 | $self->{h}{connection} = "close" |
200 | } |
249 | } |
201 | } |
250 | } |
202 | } |
251 | } |
203 | |
252 | |
|
|
253 | if ($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 | |
204 | $res .= "Date: $HTTP_NOW\015\012"; |
266 | $res .= "Date: $HTTP_NOW\015\012"; |
|
|
267 | $res .= "Server: $::NAME\015\012"; |
205 | |
268 | |
206 | while (my ($h, $v) = each %$hdr) { |
269 | while (my ($h, $v) = each %$hdr) { |
207 | $res .= "$h: $v\015\012" |
270 | $res .= "$h: $v\015\012" |
208 | } |
271 | } |
209 | $res .= "\015\012"; |
272 | $res .= "\015\012"; |
210 | |
273 | |
211 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
274 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
212 | |
275 | |
213 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
276 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
214 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
277 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
215 | " \"$self->{h}{referer}\"\n"; |
278 | " \"$self->{h}{referer}\"\n"; |
216 | |
279 | |
217 | print $accesslog $log if $accesslog; |
280 | print $::accesslog $log if $::accesslog; |
218 | print STDERR $log; |
281 | print STDERR $log; |
219 | |
282 | |
220 | $self->{written} += |
283 | $tbf_top->request(length $res, 1e6); |
221 | print {$self->{fh}} $res; |
284 | $self->{written} += print {$self->{fh}} $res; |
222 | } |
285 | } |
223 | |
286 | |
224 | sub err { |
287 | sub err { |
225 | my $self = shift; |
288 | my $self = shift; |
226 | my ($code, $msg, $hdr, $content) = @_; |
289 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
230 | $hdr->{"Content-Type"} = "text/plain"; |
293 | $hdr->{"Content-Type"} = "text/plain"; |
231 | $hdr->{"Content-Length"} = length $content; |
294 | $hdr->{"Content-Length"} = length $content; |
232 | } |
295 | } |
233 | $hdr->{"Connection"} = "close"; |
296 | $hdr->{"Connection"} = "close"; |
234 | |
297 | |
235 | $self->response($code, $msg, $hdr, $content); |
298 | $self->response ($code, $msg, $hdr, $content); |
236 | |
299 | |
237 | die bless {}, err::; |
300 | die bless {}, err:: |
238 | } |
301 | } |
239 | |
302 | |
240 | sub handle { |
303 | sub handle { |
241 | my $self = shift; |
304 | my $self = shift; |
242 | my $fh = $self->{fh}; |
305 | my $fh = $self->{fh}; |
243 | |
306 | |
244 | my $host; |
307 | my $host; |
245 | |
308 | |
246 | $fh->timeout($::REQ_TIMEOUT); |
309 | $fh->timeout($::REQ_TIMEOUT); |
247 | while() { |
310 | while () { |
248 | $self->{reqs}++; |
311 | $self->{reqs}++; |
249 | |
312 | |
250 | # read request and parse first line |
313 | # read request and parse first line |
251 | my $req = $fh->readline("\015\012\015\012"); |
314 | my $req = $fh->readline("\015\012\015\012"); |
252 | |
315 | |
… | |
… | |
281 | my (%hdr, $h, $v); |
344 | my (%hdr, $h, $v); |
282 | |
345 | |
283 | $hdr{lc $1} .= ",$2" |
346 | $hdr{lc $1} .= ",$2" |
284 | while $req =~ /\G |
347 | while $req =~ /\G |
285 | ([^:\000-\040]+): |
348 | ([^:\000-\040]+): |
286 | [\008\040]* |
349 | [\011\040]* |
287 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
350 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
288 | \015\012 |
351 | \015\012 |
289 | /gxc; |
352 | /gxc; |
290 | |
353 | |
291 | $req =~ /\G\015\012$/ |
354 | $req =~ /\G\015\012$/ |
292 | or $self->err(400, "bad request"); |
355 | or $self->err(400, "bad request"); |
… | |
… | |
414 | |
477 | |
415 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
478 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
416 | if ($::internal{$1}) { |
479 | if ($::internal{$1}) { |
417 | $::internal{$1}->($self); |
480 | $::internal{$1}->($self); |
418 | } else { |
481 | } else { |
419 | $self->err(404, "not found"); |
482 | $self->err (404, "not found"); |
420 | } |
483 | } |
421 | } else { |
484 | } else { |
422 | |
485 | |
423 | stat $path |
486 | stat $path |
424 | or $self->err(404, "not found"); |
487 | or $self->err (404, "not found"); |
425 | |
488 | |
426 | $self->{stat} = [stat _]; |
489 | $self->{stat} = [stat _]; |
427 | |
490 | |
428 | # idiotic netscape sends idiotic headers AGAIN |
491 | # idiotic netscape sends idiotic headers AGAIN |
429 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
492 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
… | |
… | |
432 | if (-d _ && -r _) { |
495 | if (-d _ && -r _) { |
433 | # directory |
496 | # directory |
434 | if ($path !~ /\/$/) { |
497 | if ($path !~ /\/$/) { |
435 | # create a redirect to get the trailing "/" |
498 | # create a redirect to get the trailing "/" |
436 | # we don't try to avoid the :80 |
499 | # we don't try to avoid the :80 |
437 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
500 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
438 | } else { |
501 | } else { |
439 | $ims < $self->{stat}[9] |
502 | $ims < $self->{stat}[9] |
440 | or $self->err(304, "not modified"); |
503 | or $self->err (304, "not modified"); |
441 | |
504 | |
442 | if (-r "$path/index.html") { |
505 | if (-r "$path/index.html") { |
443 | # replace directory "size" by index.html filesize |
506 | # replace directory "size" by index.html filesize |
444 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
445 | $self->handle_file($queue_index); |
508 | $self->handle_file ($queue_index, $tbf_top); |
446 | } else { |
509 | } else { |
447 | $self->handle_dir; |
510 | $self->handle_dir; |
448 | } |
511 | } |
449 | } |
512 | } |
450 | } elsif (-f _ && -r _) { |
513 | } elsif (-f _ && -r _) { |
451 | -x _ and $self->err(403, "forbidden"); |
514 | -x _ and $self->err (403, "forbidden"); |
452 | |
515 | |
453 | if (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
516 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
454 | my $timeout = $::NOW + 10; |
517 | my $timeout = $::NOW + 10; |
455 | while (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
518 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
456 | if ($timeout < $::NOW) { |
519 | if ($timeout < $::NOW) { |
457 | $self->block($::BLOCKTIME, "too many connections"); |
520 | $self->block($::BLOCKTIME, "too many connections"); |
458 | } else { |
521 | } else { |
459 | $httpevent->wait; |
522 | $httpevent->wait; |
460 | } |
523 | } |
461 | } |
524 | } |
462 | } |
525 | } |
463 | |
526 | |
464 | $self->handle_file($queue_file); |
527 | $self->handle_file ($queue_file, $tbf_top); |
465 | } else { |
528 | } else { |
466 | $self->err(404, "not found"); |
529 | $self->err (404, "not found"); |
467 | } |
530 | } |
468 | } |
531 | } |
469 | } |
532 | } |
470 | |
533 | |
471 | sub handle_dir { |
534 | sub handle_dir { |
472 | my $self = shift; |
535 | my $self = shift; |
473 | my $idx = $self->diridx; |
536 | my $idx = $self->diridx; |
474 | |
537 | |
475 | $self->response(200, "ok", |
538 | $self->response (200, "ok", |
476 | { |
539 | { |
477 | "Content-Type" => "text/html", |
540 | "Content-Type" => "text/html; charset=utf-8", |
478 | "Content-Length" => length $idx, |
541 | "Content-Length" => length $idx, |
479 | "Last-Modified" => time2str ($self->{stat}[9]), |
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
480 | }, |
543 | }, |
481 | $idx); |
544 | $idx); |
482 | } |
545 | } |
483 | |
546 | |
484 | sub handle_file { |
547 | sub handle_file { |
485 | my ($self, $queue) = @_; |
548 | my ($self, $queue, $tbf) = @_; |
486 | my $length = $self->{stat}[7]; |
549 | my $length = $self->{stat}[7]; |
487 | my $hdr = { |
550 | my $hdr = { |
488 | "Last-Modified" => time2str ((stat _)[9]), |
551 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
552 | "Accept-Ranges" => "bytes", |
489 | }; |
553 | }; |
490 | |
554 | |
491 | my @code = (200, "ok"); |
555 | my @code = (200, "ok"); |
492 | my ($l, $h); |
556 | my ($l, $h); |
493 | |
557 | |
… | |
… | |
503 | } |
567 | } |
504 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
568 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
505 | } |
569 | } |
506 | $hdr->{"Content-Range"} = "bytes */$length"; |
570 | $hdr->{"Content-Range"} = "bytes */$length"; |
507 | $hdr->{"Content-Length"} = $length; |
571 | $hdr->{"Content-Length"} = $length; |
508 | $self->err(416, "not satisfiable", $hdr, ""); |
572 | $self->err (416, "not satisfiable", $hdr, ""); |
509 | |
573 | |
510 | satisfiable: |
574 | satisfiable: |
511 | # check for segmented downloads |
575 | # check for segmented downloads |
512 | if ($l && $::NO_SEGMENTED) { |
576 | if ($l && $::NO_SEGMENTED) { |
513 | my $timeout = $::NOW + 15; |
577 | my $timeout = $::NOW + 15; |
514 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
578 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
515 | if ($timeout <= $::NOW) { |
579 | if ($timeout <= $::NOW) { |
516 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
580 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
517 | #$self->err_segmented_download; |
581 | #$self->err_segmented_download; |
518 | } else { |
582 | } else { |
519 | $httpevent->wait; |
583 | $httpevent->wait; |
520 | } |
584 | } |
521 | } |
585 | } |
… | |
… | |
532 | |
596 | |
533 | $self->{path} =~ /\.([^.]+)$/; |
597 | $self->{path} =~ /\.([^.]+)$/; |
534 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
598 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
535 | $hdr->{"Content-Length"} = $length; |
599 | $hdr->{"Content-Length"} = $length; |
536 | |
600 | |
537 | $self->response(@code, $hdr, ""); |
601 | $self->response (@code, $hdr, ""); |
538 | |
602 | |
539 | if ($self->{method} eq "GET") { |
603 | if ($self->{method} eq "GET") { |
540 | $self->{time} = $::NOW; |
604 | $self->{time} = $::NOW; |
|
|
605 | $self->{written} = 0; |
541 | |
606 | |
542 | my $current = $Coro::current; |
|
|
543 | |
|
|
544 | my ($fh, $buf, $r); |
|
|
545 | |
|
|
546 | open $fh, "<", $self->{path} |
607 | open my $fh, "<", $self->{path} |
547 | or die "$self->{path}: late open failure ($!)"; |
608 | or die "$self->{path}: late open failure ($!)"; |
548 | |
609 | |
549 | $h -= $l - 1; |
610 | $h -= $l - 1; |
550 | |
611 | |
551 | if (0) { # !AIO |
|
|
552 | if ($l) { |
|
|
553 | sysseek $fh, $l, 0; |
|
|
554 | } |
|
|
555 | } |
|
|
556 | |
|
|
557 | my $transfer = $queue->start_transfer($h); |
612 | my $transfer = $queue->start_transfer ($h); |
558 | my $locked; |
613 | my $locked; |
559 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
614 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
560 | |
615 | |
561 | while ($h > 0) { |
616 | while ($h > 0) { |
562 | unless ($locked) { |
617 | unless ($locked) { |
563 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
618 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
564 | $bufsize = $::BUFSIZE; |
619 | $bufsize = $::BUFSIZE; |
565 | $self->{time} = $::NOW; |
620 | $self->{time} = $::NOW; |
|
|
621 | $self->{written} = 0; |
566 | } |
622 | } |
567 | } |
623 | } |
568 | |
624 | |
569 | if ($blocked{$self->{remote_id}}) { |
625 | if ($blocked{$self->{remote_id}}) { |
570 | $self->{h}{connection} = "close"; |
626 | $self->{h}{connection} = "close"; |
571 | die bless {}, err:: |
627 | die bless {}, err::; |
572 | } |
628 | } |
573 | |
629 | |
574 | if (0) { # !AIO |
630 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
575 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
|
|
576 | or last; |
631 | or last; |
577 | } else { |
632 | |
578 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
633 | $tbf->request (length $buf); |
579 | $buf, 0, sub { |
|
|
580 | $r = $_[0]; |
|
|
581 | Coro::ready($current); |
|
|
582 | }); |
|
|
583 | &Coro::schedule; |
|
|
584 | last unless $r; |
|
|
585 | } |
|
|
586 | my $w = syswrite $self->{fh}, $buf |
634 | my $w = syswrite $self->{fh}, $buf |
587 | or last; |
635 | or last; |
588 | $::written += $w; |
636 | $::written += $w; |
589 | $self->{written} += $w; |
637 | $self->{written} += $w; |
590 | $l += $r; |
638 | $l += $w; |
591 | } |
639 | } |
592 | |
640 | |
593 | close $fh; |
641 | close $fh; |
594 | } |
642 | } |
595 | } |
643 | } |
596 | |
644 | |
597 | 1; |
645 | 1 |
|
|
646 | |