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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.61 by root, Thu Jan 3 01:20:17 2002 UTC vs.
Revision 1.89 by root, Sun Jan 24 20:44:34 2010 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; 5use Coro::Signal;
6use Coro::AIO ();
6 7
7use HTTP::Date; 8use HTTP::Date;
8use POSIX (); 9use POSIX ();
10
11use Compress::Zlib ();
9 12
10no utf8; 13no utf8;
11use bytes; 14use bytes;
12 15
13# at least on my machine, this thingy serves files 16# at least on my machine, this thingy serves files
… …
20our $errorlog; 23our $errorlog;
21 24
22our $NOW; 25our $NOW;
23our $HTTP_NOW; 26our $HTTP_NOW;
24 27
25Event->timer(interval => 1, hard => 1, cb => sub { 28our $ERROR_LOG;
29our $ACCESS_LOG;
30
31our $update_time = EV::periodic 0, 1, undef, sub {
26 $NOW = time; 32 $NOW = time;
27 $HTTP_NOW = time2str $NOW; 33 $HTTP_NOW = time2str $NOW;
28})->now; 34};
35$update_time->invoke;
29 36
30if ($ERROR_LOG) { 37if ($ERROR_LOG) {
31 use IO::Handle; 38 use IO::Handle;
32 open $errorlog, ">>$ERROR_LOG" 39 open $errorlog, ">>$ERROR_LOG"
33 or die "$ERROR_LOG: $!"; 40 or die "$ERROR_LOG: $!";
… …
50} 57}
51 58
52our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; 59our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
53our $httpevent = new Coro::Signal; 60our $httpevent = new Coro::Signal;
54 61
55our $queue_file = new transferqueue slots => $MAX_TRANSFERS, maxsize => 256*1024*1024; 62our $queue_file = new transferqueue $MAX_TRANSFERS;
56our $queue_index = new transferqueue slots => 10; 63our $queue_index = new transferqueue 10;
57 64
58my @newcons; 65our $tbf_top = new tbf rate => $TBF_RATE || 100000;
59my @pool;
60 66
61# one "execution thread" 67my $unused_bytes = 0;
62sub handler { 68my $unused_last = time;
63 while () {
64 if (@newcons) {
65 eval {
66 conn->new(@{pop @newcons})->handle;
67 };
68 slog 1, "$@" if $@ && !ref $@;
69 69
70 $httpevent->broadcast; # only for testing, but doesn't matter much 70sub unused_bandwidth {
71 71 $unused_bytes += $_[0];
72 $connections->up; 72 if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) {
73 } else { 73 $unused_last = $NOW;
74 last if @pool >= $MAX_POOL; 74 $unused_bytes = 0;
75 push @pool, $Coro::current; 75 $queue_file->force_wake_next;
76 schedule; 76 slog 1, "forced filetransfer due to unused bandwidth";
77 }
78 } 77 }
79} 78}
80 79
81sub listen_on { 80sub listen_on {
82 my $listen = $_[0]; 81 my $listen = $_[0];
… …
86 # the "main thread" 85 # the "main thread"
87 async { 86 async {
88 slog 1, "accepting connections"; 87 slog 1, "accepting connections";
89 while () { 88 while () {
90 $connections->down; 89 $connections->down;
91 push @newcons, [$listen->accept]; 90 my @conn = $listen->accept;
92 #slog 3, "accepted @$connections ".scalar(@pool); 91 #slog 3, "accepted @$connections ".scalar(@pool);
93 if (@pool) { 92
94 (pop @pool)->ready; 93 async_pool {
95 } else { 94 eval {
96 async \&handler; 95 conn->new (@conn)->handle;
97 } 96 };
97 slog 1, "$@" if $@ && !ref $@;
98 98
99 $httpevent->broadcast; # only for testing, but doesn't matter much
100
101 $connections->up;
102 }
99 } 103 }
100 }; 104 };
101} 105}
102 106
103my $http_port = new Coro::Socket 107my $http_port = new Coro::Socket
104 LocalAddr => $SERVER_HOST, 108 LocalAddr => $SERVER_HOST,
105 LocalPort => $SERVER_PORT, 109 LocalPort => $SERVER_PORT,
106 ReuseAddr => 1, 110 ReuseAddr => 1,
107 Listen => 50, 111 Listen => 50,
108 or die "unable to start server"; 112 or die "unable to start server";
109 113
110listen_on $http_port; 114listen_on $http_port;
111 115
112if ($SERVER_PORT2) { 116if ($SERVER_PORT2) {
113 my $http_port = new Coro::Socket 117 my $http_port = new Coro::Socket
114 LocalAddr => $SERVER_HOST, 118 LocalAddr => $SERVER_HOST,
115 LocalPort => $SERVER_PORT2, 119 LocalPort => $SERVER_PORT2,
116 ReuseAddr => 1, 120 ReuseAddr => 1,
117 Listen => 50, 121 Listen => 50,
118 or die "unable to start server"; 122 or die "unable to start server";
119 123
120 listen_on $http_port; 124 listen_on $http_port;
121} 125}
122 126
123package conn; 127package conn;
128
129use strict;
130use bytes;
124 131
125use Socket; 132use Socket;
126use HTTP::Date; 133use HTTP::Date;
127use Convert::Scalar 'weaken'; 134use Convert::Scalar 'weaken';
128use Linux::AIO; 135use IO::AIO;
129 136
130Linux::AIO::min_parallel $::AIO_PARALLEL; 137IO::AIO::min_parallel $::AIO_PARALLEL;
131 138
132Event->io(fd => Linux::AIO::poll_fileno, 139our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
133 poll => 'r', async => 1,
134 cb => \&Linux::AIO::poll_cb);
135 140
136our %conn; # $conn{ip}{self} => connobj 141our %conn; # $conn{ip}{self} => connobj
137our %uri; # $uri{ip}{uri}{self} 142our %uri; # $uri{ip}{uri}{self}
138our %blocked; 143our %blocked;
139our %mimetype; 144our %mimetype;
140 145
141sub read_mimetypes { 146sub read_mimetypes {
142 local *M;
143 if (open M, "<mime_types") { 147 if (open my $fh, "<mime_types") {
144 while (<M>) { 148 while (<$fh>) {
145 if (/^([^#]\S+)\t+(\S+)$/) { 149 if (/^([^#]\S+)\t+(\S+)$/) {
146 $mimetype{lc $1} = $2; 150 $mimetype{lc $1} = $2;
147 } 151 }
148 } 152 }
149 } else { 153 } else {
… …
157 my $class = shift; 161 my $class = shift;
158 my $fh = shift; 162 my $fh = shift;
159 my $peername = shift; 163 my $peername = shift;
160 my $self = bless { fh => $fh }, $class; 164 my $self = bless { fh => $fh }, $class;
161 my (undef, $iaddr) = unpack_sockaddr_in $peername 165 my (undef, $iaddr) = unpack_sockaddr_in $peername
162 or $self->err(500, "unable to decode peername"); 166 or $self->err (500, "unable to decode peername");
163 167
164 $self->{remote_addr} = 168 $self->{remote_addr} =
165 $self->{remote_id} = inet_ntoa $iaddr; 169 $self->{remote_id} = inet_ntoa $iaddr;
166 170
167 $self->{time} = $::NOW; 171 $self->{time} = $::NOW;
168 172
169 weaken ($Coro::current->{conn} = $self); 173 weaken ($Coro::current->{conn} = $self);
170 174
171 $::conns++; 175 ++$::conns;
172 $::maxconns = $::conns if $::conns > $::maxconns; 176 $::maxconns = $::conns if $::conns > $::maxconns;
173 177
174 $self; 178 $self
175} 179}
176 180
177sub DESTROY { 181sub DESTROY {
178 #my $self = shift; 182 my $self = shift;
183
179 $::conns--; 184 --$::conns;
180} 185}
186
187sub prune_cache {
188 my $hash = $_[0];
189
190 for (keys %$hash) {
191 if (ref $hash->{$_} eq HASH::) {
192 prune_cache($hash->{$_});
193 unless (scalar keys %{$hash->{$_}}) {
194 delete $hash->{$_};
195 }
196 }
197 }
198}
199
200sub prune_caches {
201 prune_cache \%conn;
202 prune_cache \%uri;
203
204 for (keys %blocked) {
205 delete $blocked{$_} unless $blocked{$_}[0] > $::NOW;
206 }
207}
208
209our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches;
181 210
182sub slog { 211sub slog {
183 my $self = shift; 212 my $self = shift;
184 main::slog($_[0], "$self->{remote_id}> $_[1]"); 213 main::slog($_[0], "$self->{remote_id}> $_[1]");
185} 214}
186 215
187sub response { 216sub response {
188 my ($self, $code, $msg, $hdr, $content) = @_; 217 my ($self, $code, $msg, $hdr, $content) = @_;
189 my $res = "HTTP/1.1 $code $msg\015\012"; 218 my $res = "HTTP/1.1 $code $msg\015\012";
219 my $GZ = "";
190 220
191 if (exists $hdr->{Connection}) { 221 if (exists $hdr->{Connection}) {
192 if ($hdr->{Connection} =~ /close/) { 222 if ($hdr->{Connection} =~ /close/) {
193 $self->{h}{connection} = "close" 223 $self->{h}{connection} = "close"
194 } 224 }
… …
200 $self->{h}{connection} = "close" 230 $self->{h}{connection} = "close"
201 } 231 }
202 } 232 }
203 } 233 }
204 234
235 if ($self->{method} ne "HEAD"
236 && $self->{h}{"accept-encoding"} =~ /\bgzip\b/
237 && 400 < length $content
238 && $hdr->{"Content-Length"} == length $content
239 && !exists $hdr->{"Content-Encoding"}
240 ) {
241 my $orig = length $content;
242 $hdr->{"Content-Encoding"} = "gzip";
243 $content = Compress::Zlib::memGzip(\$content);
244 $hdr->{"Content-Length"} = length $content;
245 $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig);
246 }
247
205 $res .= "Date: $HTTP_NOW\015\012"; 248 $res .= "Date: $HTTP_NOW\015\012";
249 $res .= "Server: $::NAME\015\012";
206 250
207 while (my ($h, $v) = each %$hdr) { 251 while (my ($h, $v) = each %$hdr) {
208 $res .= "$h: $v\015\012" 252 $res .= "$h: $v\015\012"
209 } 253 }
210 $res .= "\015\012"; 254 $res .= "\015\012";
211 255
212 $res .= $content if defined $content and $self->{method} ne "HEAD"; 256 $res .= $content if defined $content and $self->{method} ne "HEAD";
213 257
214 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). 258 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW).
215 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. 259 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ.
216 " \"$self->{h}{referer}\"\n"; 260 " \"$self->{h}{referer}\"\n";
217 261
218 print $accesslog $log if $accesslog; 262 print $::accesslog $log if $::accesslog;
219 print STDERR $log; 263 print STDERR $log;
220 264
221 $self->{written} += 265 $tbf_top->request(length $res, 1e6);
222 print {$self->{fh}} $res; 266 $self->{written} += print {$self->{fh}} $res;
223} 267}
224 268
225sub err { 269sub err {
226 my $self = shift; 270 my $self = shift;
227 my ($code, $msg, $hdr, $content) = @_; 271 my ($code, $msg, $hdr, $content) = @_;
… …
231 $hdr->{"Content-Type"} = "text/plain"; 275 $hdr->{"Content-Type"} = "text/plain";
232 $hdr->{"Content-Length"} = length $content; 276 $hdr->{"Content-Length"} = length $content;
233 } 277 }
234 $hdr->{"Connection"} = "close"; 278 $hdr->{"Connection"} = "close";
235 279
236 $self->response($code, $msg, $hdr, $content); 280 $self->response ($code, $msg, $hdr, $content);
237 281
238 die bless {}, err::; 282 die bless {}, err::
239} 283}
240 284
241sub handle { 285sub handle {
242 my $self = shift; 286 my $self = shift;
243 my $fh = $self->{fh}; 287 my $fh = $self->{fh};
244 288
245 my $host; 289 my $host;
246 290
247 $fh->timeout($::REQ_TIMEOUT); 291 $fh->timeout($::REQ_TIMEOUT);
248 while() { 292 while () {
249 $self->{reqs}++; 293 $self->{reqs}++;
250 294
251 # read request and parse first line 295 # read request and parse first line
252 my $req = $fh->readline("\015\012\015\012"); 296 my $req = $fh->readline("\015\012\015\012");
253 297
… …
282 my (%hdr, $h, $v); 326 my (%hdr, $h, $v);
283 327
284 $hdr{lc $1} .= ",$2" 328 $hdr{lc $1} .= ",$2"
285 while $req =~ /\G 329 while $req =~ /\G
286 ([^:\000-\040]+): 330 ([^:\000-\040]+):
287 [\008\040]* 331 [\011\040]*
288 ((?: [^\015\012]+ | \015\012[\008\040] )*) 332 ((?: [^\015\012]+ | \015\012[\011\040] )*)
289 \015\012 333 \015\012
290 /gxc; 334 /gxc;
291 335
292 $req =~ /\G\015\012$/ 336 $req =~ /\G\015\012$/
293 or $self->err(400, "bad request"); 337 or $self->err(400, "bad request");
… …
362# uri => path mapping 406# uri => path mapping
363sub map_uri { 407sub map_uri {
364 my $self = shift; 408 my $self = shift;
365 my $host = $self->{server_name}; 409 my $host = $self->{server_name};
366 my $uri = $self->{uri}; 410 my $uri = $self->{uri};
411
412 $host =~ /[\/\\]/
413 and $self->err(400, "bad request");
367 414
368 # some massaging, also makes it more secure 415 # some massaging, also makes it more secure
369 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 416 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
370 $uri =~ s%//+%/%g; 417 $uri =~ s%//+%/%g;
371 $uri =~ s%/\.(?=/|$)%%g; 418 $uri =~ s%/\.(?=/|$)%%g;
… …
415 462
416 if ($self->{name} =~ s%^/internal/([^/]+)%%) { 463 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
417 if ($::internal{$1}) { 464 if ($::internal{$1}) {
418 $::internal{$1}->($self); 465 $::internal{$1}->($self);
419 } else { 466 } else {
420 $self->err(404, "not found"); 467 $self->err (404, "not found");
421 } 468 }
422 } else { 469 } else {
423 470
424 stat $path 471 Coro::AIO::aio_stat $path
425 or $self->err(404, "not found"); 472 and $self->err (404, "not found");
426 473
427 $self->{stat} = [stat _]; 474 $self->{stat} = [stat _];
428 475
429 # idiotic netscape sends idiotic headers AGAIN 476 # idiotic netscape sends idiotic headers AGAIN
430 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 477 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
… …
433 if (-d _ && -r _) { 480 if (-d _ && -r _) {
434 # directory 481 # directory
435 if ($path !~ /\/$/) { 482 if ($path !~ /\/$/) {
436 # create a redirect to get the trailing "/" 483 # create a redirect to get the trailing "/"
437 # we don't try to avoid the :80 484 # we don't try to avoid the :80
438 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); 485 $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
439 } else { 486 } else {
440 $ims < $self->{stat}[9] 487 $ims < $self->{stat}[9]
441 or $self->err(304, "not modified"); 488 or $self->err (304, "not modified");
442 489
443 if (-r "$path/index.html") { 490 if (-r "$path/index.html") {
444 # replace directory "size" by index.html filesize 491 # replace directory "size" by index.html filesize
445 $self->{stat} = [stat ($self->{path} .= "/index.html")]; 492 $self->{stat} = [stat ($self->{path} .= "/index.html")];
446 $self->handle_file($queue_index); 493 $self->handle_file ($queue_index, $tbf_top);
447 } else { 494 } else {
448 $self->handle_dir; 495 $self->handle_dir;
449 } 496 }
450 } 497 }
451 } elsif (-f _ && -r _) { 498 } elsif (-f _ && -r _) {
452 -x _ and $self->err(403, "forbidden"); 499 -x _ and $self->err (403, "forbidden");
453 500
454 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 501 if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
455 my $timeout = $::NOW + 10; 502 my $timeout = $::NOW + 10;
456 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { 503 while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) {
457 if ($timeout < $::NOW) { 504 if ($timeout < $::NOW) {
… …
460 $httpevent->wait; 507 $httpevent->wait;
461 } 508 }
462 } 509 }
463 } 510 }
464 511
465 $self->handle_file($queue_file); 512 $self->handle_file ($queue_file, $tbf_top);
466 } else { 513 } else {
467 $self->err(404, "not found"); 514 $self->err (404, "not found");
468 } 515 }
469 } 516 }
470} 517}
471 518
472sub handle_dir { 519sub handle_dir {
473 my $self = shift; 520 my $self = shift;
474 my $idx = $self->diridx; 521 my $idx = $self->diridx;
475 522
476 $self->response(200, "ok", 523 $self->response (200, "ok",
477 { 524 {
478 "Content-Type" => "text/html", 525 "Content-Type" => "text/html; charset=utf-8",
479 "Content-Length" => length $idx, 526 "Content-Length" => length $idx,
480 "Last-Modified" => time2str ($self->{stat}[9]), 527 "Last-Modified" => time2str ($self->{stat}[9]),
481 }, 528 },
482 $idx); 529 $idx);
483} 530}
484 531
485sub handle_file { 532sub handle_file {
486 my ($self, $queue) = @_; 533 my ($self, $queue, $tbf) = @_;
487 my $length = $self->{stat}[7]; 534 my $length = $self->{stat}[7];
488 my $hdr = { 535 my $hdr = {
489 "Last-Modified" => time2str ((stat _)[9]), 536 "Last-Modified" => time2str ((stat _)[9]),
537 "Accept-Ranges" => "bytes",
490 }; 538 };
491 539
492 my @code = (200, "ok"); 540 my @code = (200, "ok");
493 my ($l, $h); 541 my ($l, $h);
494 542
495 if ($self->{h}{range} =~ /^bytes=(.*)$/) { 543 if ($self->{h}{range} =~ /^bytes=(.*)$/i) {
496 for (split /,/, $1) { 544 for (split /,/, $1) {
497 if (/^-(\d+)$/) { 545 if (/^-(\d+)$/) {
498 ($l, $h) = ($length - $1, $length - 1); 546 ($l, $h) = ($length - $1, $length - 1);
499 } elsif (/^(\d+)-(\d*)$/) { 547 } elsif (/^(\d+)-(\d*)$/) {
500 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 548 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
… …
504 } 552 }
505 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; 553 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
506 } 554 }
507 $hdr->{"Content-Range"} = "bytes */$length"; 555 $hdr->{"Content-Range"} = "bytes */$length";
508 $hdr->{"Content-Length"} = $length; 556 $hdr->{"Content-Length"} = $length;
509 $self->err(416, "not satisfiable", $hdr, ""); 557 $self->err (416, "not satisfiable", $hdr, "");
510 558
511satisfiable: 559satisfiable:
512 # check for segmented downloads 560 # check for segmented downloads
513 if ($l && $::NO_SEGMENTED) { 561 if ($l && $::NO_SEGMENTED) {
514 my $timeout = $::NOW + 15; 562 my $timeout = $::NOW + 15;
515 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { 563 while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
516 if ($timeout <= $::NOW) { 564 if ($timeout <= $::NOW) {
517 $self->block($::BLOCKTIME, "segmented downloads are forbidden"); 565 $self->block ($::BLOCKTIME, "segmented downloads are forbidden");
518 #$self->err_segmented_download; 566 #$self->err_segmented_download;
519 } else { 567 } else {
520 $httpevent->wait; 568 $httpevent->wait;
521 } 569 }
522 } 570 }
… …
533 581
534 $self->{path} =~ /\.([^.]+)$/; 582 $self->{path} =~ /\.([^.]+)$/;
535 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; 583 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
536 $hdr->{"Content-Length"} = $length; 584 $hdr->{"Content-Length"} = $length;
537 585
538 $self->response(@code, $hdr, ""); 586 $self->response (@code, $hdr, "");
539 587
540 if ($self->{method} eq "GET") { 588 if ($self->{method} eq "GET") {
541 $self->{time} = $::NOW; 589 $self->{time} = $::NOW;
590 $self->{written} = 0;
542 591
543 my $current = $Coro::current;
544
545 my ($fh, $buf, $r);
546
547 open $fh, "<", $self->{path} 592 open my $fh, "<", $self->{path}
548 or die "$self->{path}: late open failure ($!)"; 593 or die "$self->{path}: late open failure ($!)";
549 594
550 $h -= $l - 1; 595 $h -= $l - 1;
551 596
552 if (0) { # !AIO
553 if ($l) {
554 sysseek $fh, $l, 0;
555 }
556 }
557
558 my $transfer = $queue->start_transfer($h); 597 my $transfer = $queue->start_transfer ($h);
559 my $locked; 598 my $locked;
560 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size 599 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
561 600
562 while ($h > 0) { 601 while ($h > 0) {
563 unless ($locked) { 602 unless ($locked) {
564 if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { 603 if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) {
565 $bufsize = $::BUFSIZE; 604 $bufsize = $::BUFSIZE;
566 $self->{time} = $::NOW; 605 $self->{time} = $::NOW;
606 $self->{written} = 0;
567 } 607 }
568 } 608 }
569 609
570 if ($blocked{$self->{remote_id}}) { 610 if ($blocked{$self->{remote_id}}) {
571 $self->{h}{connection} = "close"; 611 $self->{h}{connection} = "close";
572 die bless {}, err::; 612 die bless {}, err::;
573 } 613 }
574 614
575 if (0) { # !AIO 615 Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0
576 sysread $fh, $buf, $h > $bufsize ? $bufsize : $h
577 or last; 616 or last;
578 } else { 617
579 aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), 618 $tbf->request (length $buf);
580 $buf, 0, sub { 619 my $w = $self->{fh}->syswrite ($buf)
581 $r = $_[0];
582 Coro::ready($current);
583 });
584 &Coro::schedule;
585 last unless $r;
586 }
587 my $w = syswrite $self->{fh}, $buf
588 or last; 620 or last;
589 $::written += $w; 621 $::written += $w;
590 $self->{written} += $w; 622 $self->{written} += $w;
591 $l += $r; 623 $l += $w;
592 } 624 }
593 625
594 close $fh; 626 close $fh;
595 } 627 }
596} 628}
597 629
5981; 6301
631

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