1 |
use Coro; |
2 |
use Coro::Semaphore; |
3 |
use Coro::Event; |
4 |
use Coro::Socket; |
5 |
use Coro::Signal; |
6 |
|
7 |
use HTTP::Date; |
8 |
use POSIX (); |
9 |
|
10 |
use Compress::Zlib (); |
11 |
|
12 |
no utf8; |
13 |
use bytes; |
14 |
|
15 |
# at least on my machine, this thingy serves files |
16 |
# quite a bit faster than apache, ;) |
17 |
# and quite a bit slower than thttpd :( |
18 |
|
19 |
$SIG{PIPE} = 'IGNORE'; |
20 |
|
21 |
our $accesslog; |
22 |
our $errorlog; |
23 |
|
24 |
our $NOW; |
25 |
our $HTTP_NOW; |
26 |
|
27 |
Event->timer(interval => 1, hard => 1, cb => sub { |
28 |
$NOW = time; |
29 |
$HTTP_NOW = time2str $NOW; |
30 |
})->now; |
31 |
|
32 |
if ($ERROR_LOG) { |
33 |
use IO::Handle; |
34 |
open $errorlog, ">>$ERROR_LOG" |
35 |
or die "$ERROR_LOG: $!"; |
36 |
$errorlog->autoflush(1); |
37 |
} |
38 |
|
39 |
if ($ACCESS_LOG) { |
40 |
use IO::Handle; |
41 |
open $accesslog, ">>$ACCESS_LOG" |
42 |
or die "$ACCESS_LOG: $!"; |
43 |
$accesslog->autoflush(1); |
44 |
} |
45 |
|
46 |
sub slog { |
47 |
my $level = shift; |
48 |
my $format = shift; |
49 |
my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
50 |
printf "$NOW: $format\n", @_; |
51 |
printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
52 |
} |
53 |
|
54 |
our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
55 |
our $httpevent = new Coro::Signal; |
56 |
|
57 |
our $queue_file = new transferqueue $MAX_TRANSFERS; |
58 |
our $queue_index = new transferqueue 10; |
59 |
|
60 |
our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
61 |
|
62 |
my $unused_bytes = 0; |
63 |
my $unused_last = time; |
64 |
|
65 |
sub unused_bandwidth { |
66 |
$unused_bytes += $_[0]; |
67 |
if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
68 |
$unused_last = $NOW; |
69 |
$unused_bytes = 0; |
70 |
$queue_file->force_wake_next; |
71 |
slog 1, "forced filetransfer due to unused bandwidth"; |
72 |
} |
73 |
} |
74 |
|
75 |
my @newcons; |
76 |
my @pool; |
77 |
|
78 |
# one "execution thread" |
79 |
sub handler { |
80 |
while () { |
81 |
if (@newcons) { |
82 |
eval { |
83 |
conn->new(@{pop @newcons})->handle; |
84 |
}; |
85 |
slog 1, "$@" if $@ && !ref $@; |
86 |
|
87 |
$httpevent->broadcast; # only for testing, but doesn't matter much |
88 |
|
89 |
$connections->up; |
90 |
} else { |
91 |
last if @pool >= $MAX_POOL; |
92 |
push @pool, $Coro::current; |
93 |
schedule; |
94 |
} |
95 |
} |
96 |
} |
97 |
|
98 |
sub listen_on { |
99 |
my $listen = $_[0]; |
100 |
|
101 |
push @listen_sockets, $listen; |
102 |
|
103 |
# the "main thread" |
104 |
async { |
105 |
slog 1, "accepting connections"; |
106 |
while () { |
107 |
$connections->down; |
108 |
push @newcons, [$listen->accept]; |
109 |
#slog 3, "accepted @$connections ".scalar(@pool); |
110 |
if (@pool) { |
111 |
(pop @pool)->ready; |
112 |
} else { |
113 |
async \&handler; |
114 |
} |
115 |
} |
116 |
}; |
117 |
} |
118 |
|
119 |
my $http_port = new Coro::Socket |
120 |
LocalAddr => $SERVER_HOST, |
121 |
LocalPort => $SERVER_PORT, |
122 |
ReuseAddr => 1, |
123 |
Listen => 50, |
124 |
or die "unable to start server"; |
125 |
|
126 |
listen_on $http_port; |
127 |
|
128 |
if ($SERVER_PORT2) { |
129 |
my $http_port = new Coro::Socket |
130 |
LocalAddr => $SERVER_HOST, |
131 |
LocalPort => $SERVER_PORT2, |
132 |
ReuseAddr => 1, |
133 |
Listen => 50, |
134 |
or die "unable to start server"; |
135 |
|
136 |
listen_on $http_port; |
137 |
} |
138 |
|
139 |
package conn; |
140 |
|
141 |
use Socket; |
142 |
use HTTP::Date; |
143 |
use Convert::Scalar 'weaken'; |
144 |
use Linux::AIO; |
145 |
|
146 |
Linux::AIO::min_parallel $::AIO_PARALLEL; |
147 |
|
148 |
Event->io(fd => Linux::AIO::poll_fileno, |
149 |
poll => 'r', async => 1, |
150 |
cb => \&Linux::AIO::poll_cb); |
151 |
|
152 |
our %conn; # $conn{ip}{self} => connobj |
153 |
our %uri; # $uri{ip}{uri}{self} |
154 |
our %blocked; |
155 |
our %mimetype; |
156 |
|
157 |
sub read_mimetypes { |
158 |
local *M; |
159 |
if (open M, "<mime_types") { |
160 |
while (<M>) { |
161 |
if (/^([^#]\S+)\t+(\S+)$/) { |
162 |
$mimetype{lc $1} = $2; |
163 |
} |
164 |
} |
165 |
} else { |
166 |
print "cannot open mime_types\n"; |
167 |
} |
168 |
} |
169 |
|
170 |
read_mimetypes; |
171 |
|
172 |
sub new { |
173 |
my $class = shift; |
174 |
my $fh = shift; |
175 |
my $peername = shift; |
176 |
my $self = bless { fh => $fh }, $class; |
177 |
my (undef, $iaddr) = unpack_sockaddr_in $peername |
178 |
or $self->err(500, "unable to decode peername"); |
179 |
|
180 |
$self->{remote_addr} = |
181 |
$self->{remote_id} = inet_ntoa $iaddr; |
182 |
|
183 |
$self->{time} = $::NOW; |
184 |
|
185 |
weaken ($Coro::current->{conn} = $self); |
186 |
|
187 |
$::conns++; |
188 |
$::maxconns = $::conns if $::conns > $::maxconns; |
189 |
|
190 |
$self; |
191 |
} |
192 |
|
193 |
sub DESTROY { |
194 |
#my $self = shift; |
195 |
$::conns--; |
196 |
} |
197 |
|
198 |
sub prune_cache { |
199 |
my $hash = $_[0]; |
200 |
|
201 |
for (keys %$hash) { |
202 |
if (ref $hash->{$_} eq HASH::) { |
203 |
prune_cache($hash->{$_}); |
204 |
unless (scalar keys %{$hash->{$_}}) { |
205 |
delete $hash->{$_}; |
206 |
$d2++; |
207 |
} |
208 |
} |
209 |
} |
210 |
} |
211 |
|
212 |
sub prune_caches { |
213 |
prune_cache \%conn; |
214 |
prune_cache \%uri; |
215 |
|
216 |
for (keys %blocked) { |
217 |
delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
218 |
} |
219 |
} |
220 |
|
221 |
Event->timer(interval => 60, cb => \&prune_caches); |
222 |
|
223 |
sub slog { |
224 |
my $self = shift; |
225 |
main::slog($_[0], "$self->{remote_id}> $_[1]"); |
226 |
} |
227 |
|
228 |
sub response { |
229 |
my ($self, $code, $msg, $hdr, $content) = @_; |
230 |
my $res = "HTTP/1.1 $code $msg\015\012"; |
231 |
my $GZ = ""; |
232 |
|
233 |
if (exists $hdr->{Connection}) { |
234 |
if ($hdr->{Connection} =~ /close/) { |
235 |
$self->{h}{connection} = "close" |
236 |
} |
237 |
} else { |
238 |
if ($self->{version} < 1.1) { |
239 |
if ($self->{h}{connection} =~ /keep-alive/i) { |
240 |
$hdr->{Connection} = "Keep-Alive"; |
241 |
} else { |
242 |
$self->{h}{connection} = "close" |
243 |
} |
244 |
} |
245 |
} |
246 |
|
247 |
if ($self->{method} ne "HEAD" |
248 |
&& $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
249 |
&& 400 < length $content |
250 |
&& $hdr->{"Content-Length"} == length $content |
251 |
&& !exists $hdr->{"Content-Encoding"} |
252 |
) { |
253 |
my $orig = length $content; |
254 |
$hdr->{"Content-Encoding"} = "gzip"; |
255 |
$content = Compress::Zlib::memGzip(\$content); |
256 |
$hdr->{"Content-Length"} = length $content; |
257 |
$GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
258 |
} |
259 |
|
260 |
$res .= "Date: $HTTP_NOW\015\012"; |
261 |
$res .= "Server: $::NAME\015\012"; |
262 |
|
263 |
while (my ($h, $v) = each %$hdr) { |
264 |
$res .= "$h: $v\015\012" |
265 |
} |
266 |
$res .= "\015\012"; |
267 |
|
268 |
$res .= $content if defined $content and $self->{method} ne "HEAD"; |
269 |
|
270 |
my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
271 |
" $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
272 |
" \"$self->{h}{referer}\"\n"; |
273 |
|
274 |
print $::accesslog $log if $::accesslog; |
275 |
print STDERR $log; |
276 |
|
277 |
$tbf_top->request(length $res, 1e6); |
278 |
$self->{written} += print {$self->{fh}} $res; |
279 |
} |
280 |
|
281 |
sub err { |
282 |
my $self = shift; |
283 |
my ($code, $msg, $hdr, $content) = @_; |
284 |
|
285 |
unless (defined $content) { |
286 |
$content = "$code $msg\n"; |
287 |
$hdr->{"Content-Type"} = "text/plain"; |
288 |
$hdr->{"Content-Length"} = length $content; |
289 |
} |
290 |
$hdr->{"Connection"} = "close"; |
291 |
|
292 |
$self->response($code, $msg, $hdr, $content); |
293 |
|
294 |
die bless {}, err::; |
295 |
} |
296 |
|
297 |
sub handle { |
298 |
my $self = shift; |
299 |
my $fh = $self->{fh}; |
300 |
|
301 |
my $host; |
302 |
|
303 |
$fh->timeout($::REQ_TIMEOUT); |
304 |
while() { |
305 |
$self->{reqs}++; |
306 |
|
307 |
# read request and parse first line |
308 |
my $req = $fh->readline("\015\012\015\012"); |
309 |
|
310 |
unless (defined $req) { |
311 |
if (exists $self->{version}) { |
312 |
last; |
313 |
} else { |
314 |
$self->err(408, "request timeout"); |
315 |
} |
316 |
} |
317 |
|
318 |
$self->{h} = {}; |
319 |
|
320 |
$fh->timeout($::RES_TIMEOUT); |
321 |
|
322 |
$req =~ /^(?:\015\012)? |
323 |
(GET|HEAD) \040+ |
324 |
([^\040]+) \040+ |
325 |
HTTP\/([0-9]+\.[0-9]+) |
326 |
\015\012/gx |
327 |
or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
328 |
|
329 |
$self->{method} = $1; |
330 |
$self->{uri} = $2; |
331 |
$self->{version} = $3; |
332 |
|
333 |
$3 =~ /^1\./ |
334 |
or $self->err(506, "http protocol version $3 not supported"); |
335 |
|
336 |
# parse headers |
337 |
{ |
338 |
my (%hdr, $h, $v); |
339 |
|
340 |
$hdr{lc $1} .= ",$2" |
341 |
while $req =~ /\G |
342 |
([^:\000-\040]+): |
343 |
[\011\040]* |
344 |
((?: [^\015\012]+ | \015\012[\011\040] )*) |
345 |
\015\012 |
346 |
/gxc; |
347 |
|
348 |
$req =~ /\G\015\012$/ |
349 |
or $self->err(400, "bad request"); |
350 |
|
351 |
$self->{h}{$h} = substr $v, 1 |
352 |
while ($h, $v) = each %hdr; |
353 |
} |
354 |
|
355 |
# remote id should be unique per user |
356 |
my $id = $self->{remote_addr}; |
357 |
|
358 |
if (exists $self->{h}{"client-ip"}) { |
359 |
$id .= "[".$self->{h}{"client-ip"}."]"; |
360 |
} elsif (exists $self->{h}{"x-forwarded-for"}) { |
361 |
$id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
362 |
} |
363 |
|
364 |
$self->{remote_id} = $id; |
365 |
|
366 |
weaken (local $conn{$id}{$self*1} = $self); |
367 |
|
368 |
if ($blocked{$id}) { |
369 |
$self->err_blocked |
370 |
if $blocked{$id}[0] > $::NOW; |
371 |
|
372 |
delete $blocked{$id}; |
373 |
} |
374 |
|
375 |
# find out server name and port |
376 |
if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
377 |
$host = $1; |
378 |
} else { |
379 |
$host = $self->{h}{host}; |
380 |
} |
381 |
|
382 |
if (defined $host) { |
383 |
$self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
384 |
} else { |
385 |
($self->{server_port}, $host) |
386 |
= unpack_sockaddr_in $self->{fh}->sockname |
387 |
or $self->err(500, "unable to get socket name"); |
388 |
$host = inet_ntoa $host; |
389 |
} |
390 |
|
391 |
$self->{server_name} = $host; |
392 |
|
393 |
weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
394 |
|
395 |
eval { |
396 |
$self->map_uri; |
397 |
$self->respond; |
398 |
}; |
399 |
|
400 |
die if $@ && !ref $@; |
401 |
|
402 |
last if $self->{h}{connection} =~ /close/i; |
403 |
|
404 |
$httpevent->broadcast; |
405 |
|
406 |
$fh->timeout($::PER_TIMEOUT); |
407 |
} |
408 |
} |
409 |
|
410 |
sub block { |
411 |
my $self = shift; |
412 |
|
413 |
$blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
414 |
$self->slog(2, "blocked ip $self->{remote_id}"); |
415 |
$self->err_blocked; |
416 |
} |
417 |
|
418 |
# uri => path mapping |
419 |
sub map_uri { |
420 |
my $self = shift; |
421 |
my $host = $self->{server_name}; |
422 |
my $uri = $self->{uri}; |
423 |
|
424 |
# some massaging, also makes it more secure |
425 |
$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
426 |
$uri =~ s%//+%/%g; |
427 |
$uri =~ s%/\.(?=/|$)%%g; |
428 |
1 while $uri =~ s%/[^/]+/\.\.(?=/|$)%%; |
429 |
|
430 |
$uri =~ m%^/?\.\.(?=/|$)% |
431 |
and $self->err(400, "bad request"); |
432 |
|
433 |
$self->{name} = $uri; |
434 |
|
435 |
# now do the path mapping |
436 |
$self->{path} = "$::DOCROOT/$host$uri"; |
437 |
|
438 |
$self->access_check; |
439 |
} |
440 |
|
441 |
sub _cgi { |
442 |
my $self = shift; |
443 |
my $path = shift; |
444 |
my $fh; |
445 |
|
446 |
# no two-way xxx supported |
447 |
if (0 == fork) { |
448 |
open STDOUT, ">&".fileno($self->{fh}); |
449 |
if (chdir $::DOCROOT) { |
450 |
$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
451 |
$ENV{HTTP_HOST} = $self->{server_name}; |
452 |
$ENV{HTTP_PORT} = $self->{server_port}; |
453 |
$ENV{SCRIPT_NAME} = $self->{name}; |
454 |
exec $path; |
455 |
} |
456 |
Coro::State::_exit(0); |
457 |
} else { |
458 |
die; |
459 |
} |
460 |
} |
461 |
|
462 |
sub server_hostport { |
463 |
$_[0]{server_port} == 80 |
464 |
? $_[0]{server_name} |
465 |
: "$_[0]{server_name}:$_[0]{server_port}"; |
466 |
} |
467 |
|
468 |
sub respond { |
469 |
my $self = shift; |
470 |
my $path = $self->{path}; |
471 |
|
472 |
if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
473 |
if ($::internal{$1}) { |
474 |
$::internal{$1}->($self); |
475 |
} else { |
476 |
$self->err(404, "not found"); |
477 |
} |
478 |
} else { |
479 |
|
480 |
stat $path |
481 |
or $self->err(404, "not found"); |
482 |
|
483 |
$self->{stat} = [stat _]; |
484 |
|
485 |
# idiotic netscape sends idiotic headers AGAIN |
486 |
my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
487 |
? str2time $1 : 0; |
488 |
|
489 |
if (-d _ && -r _) { |
490 |
# directory |
491 |
if ($path !~ /\/$/) { |
492 |
# create a redirect to get the trailing "/" |
493 |
# we don't try to avoid the :80 |
494 |
$self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
495 |
} else { |
496 |
$ims < $self->{stat}[9] |
497 |
or $self->err(304, "not modified"); |
498 |
|
499 |
if (-r "$path/index.html") { |
500 |
# replace directory "size" by index.html filesize |
501 |
$self->{stat} = [stat ($self->{path} .= "/index.html")]; |
502 |
$self->handle_file($queue_index, $tbf_top); |
503 |
} else { |
504 |
$self->handle_dir; |
505 |
} |
506 |
} |
507 |
} elsif (-f _ && -r _) { |
508 |
-x _ and $self->err(403, "forbidden"); |
509 |
|
510 |
if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
511 |
my $timeout = $::NOW + 10; |
512 |
while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
513 |
if ($timeout < $::NOW) { |
514 |
$self->block($::BLOCKTIME, "too many connections"); |
515 |
} else { |
516 |
$httpevent->wait; |
517 |
} |
518 |
} |
519 |
} |
520 |
|
521 |
$self->handle_file($queue_file, $tbf_top); |
522 |
} else { |
523 |
$self->err(404, "not found"); |
524 |
} |
525 |
} |
526 |
} |
527 |
|
528 |
sub handle_dir { |
529 |
my $self = shift; |
530 |
my $idx = $self->diridx; |
531 |
|
532 |
$self->response(200, "ok", |
533 |
{ |
534 |
"Content-Type" => "text/html", |
535 |
"Content-Length" => length $idx, |
536 |
"Last-Modified" => time2str ($self->{stat}[9]), |
537 |
}, |
538 |
$idx); |
539 |
} |
540 |
|
541 |
sub handle_file { |
542 |
my ($self, $queue, $tbf) = @_; |
543 |
my $length = $self->{stat}[7]; |
544 |
my $hdr = { |
545 |
"Last-Modified" => time2str ((stat _)[9]), |
546 |
"Accept-Ranges" => "bytes", |
547 |
}; |
548 |
|
549 |
my @code = (200, "ok"); |
550 |
my ($l, $h); |
551 |
|
552 |
if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
553 |
for (split /,/, $1) { |
554 |
if (/^-(\d+)$/) { |
555 |
($l, $h) = ($length - $1, $length - 1); |
556 |
} elsif (/^(\d+)-(\d*)$/) { |
557 |
($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
558 |
} else { |
559 |
($l, $h) = (0, $length - 1); |
560 |
goto ignore; |
561 |
} |
562 |
goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
563 |
} |
564 |
$hdr->{"Content-Range"} = "bytes */$length"; |
565 |
$hdr->{"Content-Length"} = $length; |
566 |
$self->err(416, "not satisfiable", $hdr, ""); |
567 |
|
568 |
satisfiable: |
569 |
# check for segmented downloads |
570 |
if ($l && $::NO_SEGMENTED) { |
571 |
my $timeout = $::NOW + 15; |
572 |
while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
573 |
if ($timeout <= $::NOW) { |
574 |
$self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
575 |
#$self->err_segmented_download; |
576 |
} else { |
577 |
$httpevent->wait; |
578 |
} |
579 |
} |
580 |
} |
581 |
|
582 |
$hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
583 |
@code = (206, "partial content"); |
584 |
$length = $h - $l + 1; |
585 |
|
586 |
ignore: |
587 |
} else { |
588 |
($l, $h) = (0, $length - 1); |
589 |
} |
590 |
|
591 |
$self->{path} =~ /\.([^.]+)$/; |
592 |
$hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
593 |
$hdr->{"Content-Length"} = $length; |
594 |
|
595 |
$self->response(@code, $hdr, ""); |
596 |
|
597 |
if ($self->{method} eq "GET") { |
598 |
$self->{time} = $::NOW; |
599 |
$self->{written} = 0; |
600 |
|
601 |
my $current = $Coro::current; |
602 |
|
603 |
my ($fh, $buf, $r); |
604 |
|
605 |
open $fh, "<", $self->{path} |
606 |
or die "$self->{path}: late open failure ($!)"; |
607 |
|
608 |
$h -= $l - 1; |
609 |
|
610 |
if (0) { # !AIO |
611 |
if ($l) { |
612 |
sysseek $fh, $l, 0; |
613 |
} |
614 |
} |
615 |
|
616 |
my $transfer = $queue->start_transfer($h); |
617 |
my $locked; |
618 |
my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
619 |
|
620 |
while ($h > 0) { |
621 |
unless ($locked) { |
622 |
if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
623 |
$bufsize = $::BUFSIZE; |
624 |
$self->{time} = $::NOW; |
625 |
$self->{written} = 0; |
626 |
} |
627 |
} |
628 |
|
629 |
if ($blocked{$self->{remote_id}}) { |
630 |
$self->{h}{connection} = "close"; |
631 |
die bless {}, err::; |
632 |
} |
633 |
|
634 |
if (0) { # !AIO |
635 |
sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
636 |
or last; |
637 |
} else { |
638 |
aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
639 |
$buf, 0, sub { |
640 |
$r = $_[0]; |
641 |
Coro::ready($current); |
642 |
}); |
643 |
&Coro::schedule; |
644 |
last unless $r; |
645 |
} |
646 |
|
647 |
$tbf->request(length $buf); |
648 |
my $w = syswrite $self->{fh}, $buf |
649 |
or last; |
650 |
$::written += $w; |
651 |
$self->{written} += $w; |
652 |
$l += $r; |
653 |
} |
654 |
|
655 |
close $fh; |
656 |
} |
657 |
} |
658 |
|
659 |
1; |