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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 1.52 by root, Fri Nov 30 05:11:23 2001 UTC

1#!/usr/bin/perl
2
3use Coro; 1use Coro;
4use Coro::Semaphore; 2use Coro::Semaphore;
5use Coro::Event; 3use Coro::Event;
6use Coro::Socket; 4use Coro::Socket;
5use Coro::Signal;
6
7use HTTP::Date;
8use POSIX ();
7 9
8no utf8; 10no utf8;
9use bytes; 11use bytes;
10 12
11# at least on my machine, this thingy serves files 13# at least on my machine, this thingy serves files
12# quite a bit faster than apache, ;) 14# quite a bit faster than apache, ;)
13# and quite a bit slower than thttpd :( 15# and quite a bit slower than thttpd :(
14 16
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'; 17$SIG{PIPE} = 'IGNORE';
23 18
19our $accesslog;
20
21if ($ACCESS_LOG) {
22 use IO::Handle;
23 open $accesslog, ">>$ACCESS_LOG"
24 or die "$ACCESS_LOG: $!";
25 $accesslog->autoflush(1);
26}
27
24sub slog { 28sub slog {
25 my $level = shift; 29 my $level = shift;
26 my $format = shift; 30 my $format = shift;
27 printf "---: $format\n", @_; 31 printf "---: $format\n", @_;
28} 32}
29 33
30my $connections = new Coro::Semaphore $MAX_CONNECTS; 34our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
35our $httpevent = new Coro::Signal;
31 36
32my @fh; 37our $wait_factor = 0.95;
38
39our $queue_small = new transferqueue $MAX_TRANSFERS_SMALL;
40our $queue_large = new transferqueue $MAX_TRANSFERS_LARGE;
41our $queue_index = new transferqueue 5;
42
43my @newcons;
33my @pool; 44my @pool;
34 45
46# one "execution thread"
35sub handler { 47sub handler {
36 while () { 48 while () {
37 my $fh = pop @fh; 49 if (@newcons) {
38 if ($fh) {
39 eval { 50 eval {
40 conn->new($fh)->handle; 51 conn->new(@{pop @newcons})->handle;
41 }; 52 };
42 close $fh;
43 slog 1, "$@" if $@ && !ref $@; 53 slog 1, "$@" if $@ && !ref $@;
44 $connections->up; 54 $connections->up;
45 } else { 55 } else {
46 last if @pool >= $MAX_POOL; 56 last if @pool >= $MAX_POOL;
47 push @pool, $Coro::current; 57 push @pool, $Coro::current;
48 schedule; 58 schedule;
49 } 59 }
50 } 60 }
51} 61}
52 62
63sub listen_on {
64 my $listen = $_[0];
65
66 push @listen_sockets, $listen;
67
68 # the "main thread"
53async { 69 async {
54 slog 1, "accepting connections"; 70 slog 1, "accepting connections";
55 while () { 71 while () {
56 $connections->down; 72 $connections->down;
57 push @fh, $port->accept; 73 push @newcons, [$listen->accept];
58 #slog 3, "accepted @$connections ".scalar(@pool); 74 #slog 3, "accepted @$connections ".scalar(@pool);
59 if (@pool) { 75 if (@pool) {
60 (pop @pool)->ready; 76 (pop @pool)->ready;
61 } else { 77 } else {
62 async \&handler; 78 async \&handler;
63 } 79 }
64 80
81 }
65 } 82 };
66}; 83}
67 84
68loop; 85my $http_port = new Coro::Socket
69print "ende\n";#d# 86 LocalAddr => $SERVER_HOST,
87 LocalPort => $SERVER_PORT,
88 ReuseAddr => 1,
89 Listen => 50,
90 or die "unable to start server";
91
92listen_on $http_port;
93
94if ($SERVER_PORT2) {
95 my $http_port = new Coro::Socket
96 LocalAddr => $SERVER_HOST,
97 LocalPort => $SERVER_PORT2,
98 ReuseAddr => 1,
99 Listen => 50,
100 or die "unable to start server";
101
102 listen_on $http_port;
103}
104
105our $NOW;
106our $HTTP_NOW;
107
108Event->timer(interval => 1, hard => 1, cb => sub {
109 $NOW = time;
110 $HTTP_NOW = time2str $NOW;
111})->now;
70 112
71package conn; 113package conn;
72 114
73use Socket; 115use Socket;
74use HTTP::Date; 116use HTTP::Date;
117use Convert::Scalar 'weaken';
118use Linux::AIO;
119
120Linux::AIO::min_parallel $::AIO_PARALLEL;
121
122Event->io(fd => Linux::AIO::poll_fileno,
123 poll => 'r', async => 1,
124 cb => \&Linux::AIO::poll_cb);
125
126our %conn; # $conn{ip}{self} => connobj
127our %uri; # $uri{ip}{uri}{self}
128our %blocked;
129our %mimetype;
130
131sub read_mimetypes {
132 local *M;
133 if (open M, "<mime_types") {
134 while (<M>) {
135 if (/^([^#]\S+)\t+(\S+)$/) {
136 $mimetype{lc $1} = $2;
137 }
138 }
139 } else {
140 print "cannot open mime_types\n";
141 }
142}
143
144read_mimetypes;
75 145
76sub new { 146sub new {
77 my $class = shift; 147 my $class = shift;
78 my $fh = shift; 148 my $fh = shift;
149 my $peername = shift;
150 my $self = bless { fh => $fh }, $class;
79 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 151 my (undef, $iaddr) = unpack_sockaddr_in $peername
80 or $self->err(500, "unable to get peername"); 152 or $self->err(500, "unable to decode peername");
153
154 $self->{remote_addr} =
81 $self->{remote_address} = inet_ntoa $iaddr; 155 $self->{remote_id} = inet_ntoa $iaddr;
82 bless { fh => $fh }, $class; 156 $self->{time} = $::NOW;
157
158 weaken ($Coro::current->{conn} = $self);
159
160 $::conns++;
161
162 $self;
163}
164
165sub DESTROY {
166 my $self = shift;
167 $::conns--;
168 $self->eoconn;
169}
170
171# end of connection
172sub eoconn {
173 my $self = shift;
174
175 # clean up hints
176 delete $conn{$self->{remote_id}}{$self*1};
177 delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1};
178
179 $httpevent->broadcast;
83} 180}
84 181
85sub slog { 182sub slog {
86 main::slog(@_); 183 my $self = shift;
184 main::slog($_[0], "$self->{remote_id}> $_[1]");
87} 185}
88 186
89sub print_response { 187sub response {
90 my ($self, $code, $msg, $hdr, $content) = @_; 188 my ($self, $code, $msg, $hdr, $content) = @_;
91 my $res = "HTTP/1.0 $code $msg\015\012"; 189 my $res = "HTTP/1.1 $code $msg\015\012";
92 190
93 $hdr->{Date} = time2str time; # slow? nah. 191 if (exists $hdr->{Connection}) {
192 if ($hdr->{Connection} =~ /close/) {
193 $self->{h}{connection} = "close"
194 }
195 } else {
196 if ($self->{version} < 1.1) {
197 if ($self->{h}{connection} =~ /keep-alive/i) {
198 $hdr->{Connection} = "Keep-Alive";
199 } else {
200 $self->{h}{connection} = "close"
201 }
202 }
203 }
204
205 $res .= "Date: $HTTP_NOW\015\012";
94 206
95 while (my ($h, $v) = each %$hdr) { 207 while (my ($h, $v) = each %$hdr) {
96 $res .= "$h: $v\015\012" 208 $res .= "$h: $v\015\012"
97 } 209 }
98 $res .= "\015\012$content" if defined $content; 210 $res .= "\015\012";
99 211
212 $res .= $content if defined $content and $self->{method} ne "HEAD";
213
214 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW).
215 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.
216 " \"$self->{h}{referer}\"\n";
217
218 print $accesslog $log if $accesslog;
219 print STDERR $log;
220
221 $self->{written} +=
100 print {$self->{fh}} $res; 222 print {$self->{fh}} $res;
101} 223}
102 224
103sub err { 225sub err {
104 my $self = shift; 226 my $self = shift;
105 my ($code, $msg, $hdr, $content) = @_; 227 my ($code, $msg, $hdr, $content) = @_;
106 228
107 unless (defined $content) { 229 unless (defined $content) {
108 $content = "$code $msg"; 230 $content = "$code $msg\n";
109 $hdr->{"Content-Type"} = "text/plain"; 231 $hdr->{"Content-Type"} = "text/plain";
110 $hdr->{"Content-Length"} = length $content; 232 $hdr->{"Content-Length"} = length $content;
111 } 233 }
234 $hdr->{"Connection"} = "close";
112 235
113 $self->slog($msg) if $code;
114
115 $self->print_response($code, $msg, $hdr, $content); 236 $self->response($code, $msg, $hdr, $content);
116 237
117 die bless {}, err::; 238 die bless {}, err::;
118} 239}
119 240
120sub handle { 241sub handle {
121 my $self = shift; 242 my $self = shift;
122 my $fh = $self->{fh}; 243 my $fh = $self->{fh};
123 244
245 my $host;
246
247 $fh->timeout($::REQ_TIMEOUT);
124 #while() { 248 while() {
249 $self->{reqs}++;
250
251 # read request and parse first line
252 my $req = $fh->readline("\015\012\015\012");
253
254 unless (defined $req) {
255 if (exists $self->{version}) {
256 last;
257 } else {
258 $self->err(408, "request timeout");
259 }
260 }
261
125 $self->{h} = {}; 262 $self->{h} = {};
126 263
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); 264 $fh->timeout($::RES_TIMEOUT);
131
132 defined $req or
133 $self->err(408, "request timeout");
134 265
135 $req =~ /^(?:\015\012)? 266 $req =~ /^(?:\015\012)?
136 (GET|HEAD) \040+ 267 (GET|HEAD) \040+
137 ([^\040]+) \040+ 268 ([^\040]+) \040+
138 HTTP\/([0-9]+\.[0-9]+) 269 HTTP\/([0-9]+\.[0-9]+)
139 \015\012/gx 270 \015\012/gx
140 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 271 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");
144 272
145 $self->{method} = $1; 273 $self->{method} = $1;
146 $self->{uri} = $2; 274 $self->{uri} = $2;
275 $self->{version} = $3;
276
277 $3 =~ /^1\./
278 or $self->err(506, "http protocol version $3 not supported");
147 279
148 # parse headers 280 # parse headers
149 { 281 {
150 my (%hdr, $h, $v); 282 my (%hdr, $h, $v);
151 283
… …
162 294
163 $self->{h}{$h} = substr $v, 1 295 $self->{h}{$h} = substr $v, 1
164 while ($h, $v) = each %hdr; 296 while ($h, $v) = each %hdr;
165 } 297 }
166 298
299 # remote id should be unique per user
300 my $id = $self->{remote_addr};
301
302 if (exists $self->{h}{"client-ip"}) {
303 $id .= "[".$self->{h}{"client-ip"}."]";
304 } elsif (exists $self->{h}{"x-forwarded-for"}) {
305 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
306 }
307
308 $self->{remote_id} = $id;
309
310 if ($blocked{$id}) {
311 $self->err_blocked($blocked{$id})
312 if $blocked{$id} > $::NOW;
313
314 delete $blocked{$id};
315 }
316
317 if (%{$conn{$id}} >= $::MAX_CONN_IP) {
318 my $delay = $::PER_TIMEOUT + $::NOW + 15;
319 while (%{$conn{$id}} >= $::MAX_CONN_IP) {
320 if ($delay < $::NOW) {
321 $self->slog(2, "blocked ip $id");
322 $self->err_blocked;
323 } else {
324 $httpevent->wait;
325 }
326 }
327 }
328
329 # find out server name and port
330 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
331 $host = $1;
332 } else {
333 $host = $self->{h}{host};
334 }
335
336 if (defined $host) {
167 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 337 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
338 } else {
339 ($self->{server_port}, $host)
340 = unpack_sockaddr_in $self->{fh}->sockname
341 or $self->err(500, "unable to get socket name");
342 $host = inet_ntoa $host;
343 }
168 344
345 $self->{server_name} = $host;
346
347 # enter ourselves into various lists
348 weaken ($conn{$id}{$self*1} = $self);
349 weaken ($uri{$id}{$self->{uri}}{$self*1} = $self);
350
351 eval {
169 $self->map_uri; 352 $self->map_uri;
170 $self->respond; 353 $self->respond;
354 };
355
356 $self->eoconn;
357
358 die if $@ && !ref $@;
359
360 last if $self->{h}{connection} =~ /close/;
361
362 $httpevent->broadcast;
363
364 $fh->timeout($::PER_TIMEOUT);
171 #} 365 }
172} 366}
173 367
174# uri => path mapping 368# uri => path mapping
175sub map_uri { 369sub map_uri {
176 my $self = shift; 370 my $self = shift;
177 my $host = $self->{h}{host} || "default"; 371 my $host = $self->{server_name};
178 my $uri = $self->{uri}; 372 my $uri = $self->{uri};
179 373
180 # some massaging, also makes it more secure 374 # some massaging, also makes it more secure
181 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 375 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
182 $uri =~ s%//+%/%g; 376 $uri =~ s%//+%/%g;
… …
188 382
189 $self->{name} = $uri; 383 $self->{name} = $uri;
190 384
191 # now do the path mapping 385 # now do the path mapping
192 $self->{path} = "$::DOCROOT/$host$uri"; 386 $self->{path} = "$::DOCROOT/$host$uri";
193}
194 387
195sub server_address { 388 $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} 389}
222 390
223sub _cgi { 391sub _cgi {
224 my $self = shift; 392 my $self = shift;
225 my $path = shift; 393 my $path = shift;
… …
228 # no two-way xxx supported 396 # no two-way xxx supported
229 if (0 == fork) { 397 if (0 == fork) {
230 open STDOUT, ">&".fileno($self->{fh}); 398 open STDOUT, ">&".fileno($self->{fh});
231 if (chdir $::DOCROOT) { 399 if (chdir $::DOCROOT) {
232 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 400 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
233 $ENV{HTTP_HOST} = $self->server_host; 401 $ENV{HTTP_HOST} = $self->{server_name};
234 $ENV{HTTP_PORT} = $self->{server_host}; 402 $ENV{HTTP_PORT} = $self->{server_port};
235 $ENV{SCRIPT_NAME} = $self->{name}; 403 $ENV{SCRIPT_NAME} = $self->{name};
236 exec $::INDEXPROG; 404 exec $path;
237 } 405 }
238 Coro::State::_exit(0); 406 Coro::State::_exit(0);
239 } else { 407 } else {
408 die;
240 } 409 }
410}
411
412sub server_hostport {
413 $_[0]{server_port} == 80
414 ? $_[0]{server_name}
415 : "$_[0]{server_name}:$_[0]{server_port}";
241} 416}
242 417
243sub respond { 418sub respond {
244 my $self = shift; 419 my $self = shift;
245 my $path = $self->{path}; 420 my $path = $self->{path};
246 421
247 stat $path 422 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
248 or $self->err(404, "not found"); 423 if ($::internal{$1}) {
249 424 $::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 { 425 } else {
261 $ims < (stat _)[9] 426 $self->err(404, "not found");
427 }
428 } else {
429
430 stat $path
431 or $self->err(404, "not found");
432
433 $self->{stat} = [stat _];
434
435 # idiotic netscape sends idiotic headers AGAIN
436 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
437 ? str2time $1 : 0;
438
439 if (-d _ && -r _) {
440 # directory
441 if ($path !~ /\/$/) {
442 # create a redirect to get the trailing "/"
443 # we don't try to avoid the :80
444 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
445 } else {
446 $ims < $self->{stat}[9]
262 or $self->err(304, "not modified"); 447 or $self->err(304, "not modified");
263 448
264 if ($self->{method} eq "GET") {
265 if (-r "$path/index.html") { 449 if (-r "$path/index.html") {
266 $self->{path} .= "/index.html"; 450 # replace directory "size" by index.html filesize
451 $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7];
267 $self->handle_file; 452 $self->handle_file($queue_index);
268 } else { 453 } else {
269 $self->handle_dir; 454 $self->handle_dir;
270 } 455 }
271 } 456 }
272 }
273 } elsif (-f _ && -r _) { 457 } elsif (-f _ && -r _) {
274 -x _ and $self->err(403, "forbidden"); 458 -x _ and $self->err(403, "forbidden");
275 $self->handle_file; 459 $self->handle_file(-s _ >= $::TRANSFER_SMALL ? $queue_large : $queue_small);
276 } else { 460 } else {
277 $self->err(404, "not found"); 461 $self->err(404, "not found");
462 }
278 } 463 }
279} 464}
280 465
281sub handle_dir { 466sub handle_dir {
282 my $self = shift; 467 my $self = shift;
283 $self->_cgi($::INDEXPROG); 468 my $idx = $self->diridx;
469
470 $self->response(200, "ok",
471 {
472 "Content-Type" => "text/html",
473 "Content-Length" => length $idx,
474 #d# directories change all the time, so X-
475 "X-Last-Modified" => time2str ((stat _)[9]),
476 },
477 $idx);
284} 478}
285 479
286sub handle_file { 480sub handle_file {
287 my $self = shift; 481 my ($self, $queue) = @_;
288 my $length = -s _; 482 my $length = $self->{stat}[7];
289 my $hdr = { 483 my $hdr = {
290 "Last-Modified" => time2str ((stat _)[9]), 484 "Last-Modified" => time2str ((stat _)[9]),
291 }; 485 };
292 486
293 my @code = (200, "ok"); 487 my @code = (200, "ok");
… …
301 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 495 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
302 } else { 496 } else {
303 ($l, $h) = (0, $length - 1); 497 ($l, $h) = (0, $length - 1);
304 goto ignore; 498 goto ignore;
305 } 499 }
306 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 500 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
307 } 501 }
308 $hdr->{"Content-Range"} = "bytes */$length"; 502 $hdr->{"Content-Range"} = "bytes */$length";
503 $hdr->{"Content-Length"} = $length;
309 $self->err(416, "not satisfiable", $hdr); 504 $self->err(416, "not satisfiable", $hdr, "");
310 505
311satisfiable: 506satisfiable:
507 # check for segmented downloads
508 if ($l && $::NO_SEGMENTED) {
509 my $delay = $::NOW + $::PER_TIMEOUT + 15;
510 while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
511 if ($delay <= $::NOW) {
512 $self->err_segmented_download;
513 } else {
514 $httpevent->wait;
515 }
516 }
517 }
518
312 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 519 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
313 @code = (206, "partial content"); 520 @code = (206, "partial content");
314 $length = $h - $l + 1; 521 $length = $h - $l + 1;
315 522
316ignore: 523ignore:
317 } else { 524 } else {
318 ($l, $h) = (0, $length - 1); 525 ($l, $h) = (0, $length - 1);
319 } 526 }
320 527
321 if ($self->{path} =~ /\.html$/) { 528 $self->{path} =~ /\.([^.]+)$/;
322 $hdr->{"Content-Type"} = "text/html";
323 } else {
324 $hdr->{"Content-Type"} = "application/octet-stream"; 529 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
325 }
326
327 $hdr->{"Content-Length"} = $length; 530 $hdr->{"Content-Length"} = $length;
328 531
329 $self->print_response(@code, $hdr, ""); 532 $self->response(@code, $hdr, "");
330 533
331 if ($self->{method} eq "GET") { 534 if ($self->{method} eq "GET") {
535 $self->{time} = $::NOW;
536
537 my $current = $Coro::current;
538
332 my ($fh, $buf); 539 my ($fh, $buf, $r);
540
333 open $fh, "<", $self->{path} 541 open $fh, "<", $self->{path}
334 or die "$self->{path}: late open failure ($!)"; 542 or die "$self->{path}: late open failure ($!)";
335 543
336 if ($l) {
337 sysseek $fh, $l, 0
338 or die "$self->{path}: cannot seek to $l ($!)";
339 }
340
341 $h -= $l - 1; 544 $h -= $l - 1;
342 545
546 if (0) { # !AIO
547 if ($l) {
548 sysseek $fh, $l, 0;
549 }
550 }
551
552 my $transfer = $queue->start_transfer;
553 my $locked;
554 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
555
343 while ($h > 0) { 556 while ($h > 0) {
344 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 557 unless ($locked) {
345 print {$self->{fh}} $buf 558 if ($locked ||= $transfer->try($::WAIT_INTERVAL)) {
559 $bufsize = $::BUFSIZE;
560 $self->{time} = $::NOW;
561 }
562 }
563
564 if (0) { # !AIO
565 sysread $fh, $buf, $h > $bufsize ? $bufsize : $h
566 or last;
567 } else {
568 aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h),
569 $buf, 0, sub {
570 $r = $_[0];
571 Coro::ready($current);
572 });
573 &Coro::schedule;
574 last unless $r;
575 }
576 my $w = syswrite $self->{fh}, $buf
346 or last; 577 or last;
578 $::written += $w;
579 $self->{written} += $w;
580 $l += $r;
347 } 581 }
348 }
349 582
350 close $fh; 583 close $fh;
584 }
351} 585}
586
5871;

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