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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.20 by root, Thu Aug 16 21:55:35 2001 UTC vs.
Revision 1.47 by root, Tue Nov 20 01:56:21 2001 UTC

1use Coro; 1use Coro;
2use Coro::Semaphore; 2use Coro::Semaphore;
3use Coro::Event; 3use Coro::Event;
4use Coro::Socket; 4use Coro::Socket;
5use Coro::Signal;
6
7use HTTP::Date;
8use POSIX ();
5 9
6no utf8; 10no utf8;
7use bytes; 11use bytes;
8 12
9# at least on my machine, this thingy serves files 13# at least on my machine, this thingy serves files
10# quite a bit faster than apache, ;) 14# quite a bit faster than apache, ;)
11# and quite a bit slower than thttpd :( 15# and quite a bit slower than thttpd :(
12 16
13$SIG{PIPE} = 'IGNORE'; 17$SIG{PIPE} = 'IGNORE';
14 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
15sub slog { 28sub slog {
16 my $level = shift; 29 my $level = shift;
17 my $format = shift; 30 my $format = shift;
18 printf "---: $format\n", @_; 31 printf "---: $format\n", @_;
19} 32}
20 33
21my $connections = new Coro::Semaphore $MAX_CONNECTS; 34our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
35our $httpevent = new Coro::Signal;
36
37our $wait_factor = 0.95;
38
39our @transfers = (
40 [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1],
41 [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1],
42);
22 43
23my @newcons; 44my @newcons;
24my @pool; 45my @pool;
25 46
26# one "execution thread" 47# one "execution thread"
27sub handler { 48sub handler {
28 while () { 49 while () {
29 my $new = pop @newcons;
30 if ($new) { 50 if (@newcons) {
31 eval { 51 eval {
32 conn->new(@$new)->handle; 52 conn->new(@{pop @newcons})->handle;
33 }; 53 };
34 slog 1, "$@" if $@ && !ref $@; 54 slog 1, "$@" if $@ && !ref $@;
35 $connections->up; 55 $connections->up;
36 } else { 56 } else {
37 last if @pool >= $MAX_POOL; 57 last if @pool >= $MAX_POOL;
… …
39 schedule; 59 schedule;
40 } 60 }
41 } 61 }
42} 62}
43 63
64sub listen_on {
65 my $listen = $_[0];
66
67 push @listen_sockets, $listen;
68
69 # the "main thread"
70 async {
71 slog 1, "accepting connections";
72 while () {
73 $connections->down;
74 push @newcons, [$listen->accept];
75 #slog 3, "accepted @$connections ".scalar(@pool);
76 if (@pool) {
77 (pop @pool)->ready;
78 } else {
79 async \&handler;
80 }
81
82 }
83 };
84}
85
44my $http_port = new Coro::Socket 86my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST, 87 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT, 88 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1, 89 ReuseAddr => 1,
48 Listen => 50, 90 Listen => 50,
49 or die "unable to start server"; 91 or die "unable to start server";
50 92
51push @listen_sockets, $http_port; 93listen_on $http_port;
52 94
53# the "main thread" 95if ($SERVER_PORT2) {
54async { 96 my $http_port = new Coro::Socket
55 slog 1, "accepting connections"; 97 LocalAddr => $SERVER_HOST,
56 while () { 98 LocalPort => $SERVER_PORT2,
57 $connections->down; 99 ReuseAddr => 1,
58 push @newcons, [$http_port->accept]; 100 Listen => 50,
59 #slog 3, "accepted @$connections ".scalar(@pool); 101 or die "unable to start server";
102
103 listen_on $http_port;
104}
105
106our $NOW;
107our $HTTP_NOW;
108
109Event->timer(interval => 1, hard => 1, cb => sub {
60 $::NOW = time; 110 $NOW = time;
61 if (@pool) { 111 $HTTP_NOW = time2str $NOW;
62 (pop @pool)->ready; 112})->now;
63 } else {
64 async \&handler;
65 }
66
67 }
68};
69 113
70package conn; 114package conn;
71 115
72use Socket; 116use Socket;
73use HTTP::Date; 117use HTTP::Date;
… …
76 120
77Linux::AIO::min_parallel $::AIO_PARALLEL; 121Linux::AIO::min_parallel $::AIO_PARALLEL;
78 122
79Event->io(fd => Linux::AIO::poll_fileno, 123Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', async => 1, 124 poll => 'r', async => 1,
81 cb => \&Linux::AIO::poll_cb ); 125 cb => \&Linux::AIO::poll_cb);
82 126
83our %conn; # $conn{ip}{fh} => connobj 127our %conn; # $conn{ip}{self} => connobj
128our %uri; # $uri{ip}{uri}{self}
84our %blocked; 129our %blocked;
85our %mimetype; 130our %mimetype;
86 131
87sub read_mimetypes { 132sub read_mimetypes {
88 local *M; 133 local *M;
… …
99 144
100read_mimetypes; 145read_mimetypes;
101 146
102sub new { 147sub new {
103 my $class = shift; 148 my $class = shift;
149 my $fh = shift;
104 my $peername = shift; 150 my $peername = shift;
105 my $fh = shift;
106 my $self = bless { fh => $fh }, $class; 151 my $self = bless { fh => $fh }, $class;
107 my (undef, $iaddr) = unpack_sockaddr_in $peername 152 my (undef, $iaddr) = unpack_sockaddr_in $peername
108 or $self->err(500, "unable to decode peername"); 153 or $self->err(500, "unable to decode peername");
109 154
110 $self->{remote_addr} = inet_ntoa $iaddr; 155 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW; 156 $self->{time} = $::NOW;
112 157
113 # enter ourselves into various lists
114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
115
116 $::conns++; 158 $::conns++;
117 159
118 $self; 160 $self;
119} 161}
120 162
121sub DESTROY { 163sub DESTROY {
122 my $self = shift; 164 my $self = shift;
123
124 $::conns--; 165 $::conns--;
125
126 $self->eoconn; 166 $self->eoconn;
127 delete $conn{$self->{remote_addr}}{$self*1};
128} 167}
129 168
130# end of connection 169# end of connection
131sub eoconn { 170sub eoconn {
171 my $self = shift;
172
173 # clean up hints
174 delete $conn{$self->{remote_id}}{$self*1};
132 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 175 delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1};
176
177 $httpevent->broadcast;
133} 178}
134 179
135sub slog { 180sub slog {
136 my $self = shift; 181 my $self = shift;
137 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 182 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
138} 183}
139 184
140sub response { 185sub response {
141 my ($self, $code, $msg, $hdr, $content) = @_; 186 my ($self, $code, $msg, $hdr, $content) = @_;
142 my $res = "HTTP/1.1 $code $msg\015\012"; 187 my $res = "HTTP/1.1 $code $msg\015\012";
143 188
144 #$res .= "Connection: close\015\012"; 189 if (exists $hdr->{Connection}) {
145 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 190 if ($hdr->{Connection} =~ /close/) {
191 $self->{h}{connection} = "close"
192 }
193 } else {
194 if ($self->{version} < 1.1) {
195 if ($self->{h}{connection} =~ /keep-alive/i) {
196 $hdr->{Connection} = "Keep-Alive";
197 } else {
198 $self->{h}{connection} = "close"
199 }
200 }
201 }
202
203 $res .= "Date: $HTTP_NOW\015\012";
146 204
147 while (my ($h, $v) = each %$hdr) { 205 while (my ($h, $v) = each %$hdr) {
148 $res .= "$h: $v\015\012" 206 $res .= "$h: $v\015\012"
149 } 207 }
150 $res .= "\015\012"; 208 $res .= "\015\012";
151 209
152 $res .= $content if defined $content and $self->{method} ne "HEAD"; 210 $res .= $content if defined $content and $self->{method} ne "HEAD";
153 211
212 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW).
154 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 213 " $self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
214
215 print $accesslog $log if $accesslog;
216 print STDERR $log;
155 217
156 $self->{written} += 218 $self->{written} +=
157 print {$self->{fh}} $res; 219 print {$self->{fh}} $res;
158} 220}
159 221
160sub err { 222sub err {
161 my $self = shift; 223 my $self = shift;
162 my ($code, $msg, $hdr, $content) = @_; 224 my ($code, $msg, $hdr, $content) = @_;
163 225
164 unless (defined $content) { 226 unless (defined $content) {
165 $content = "$code $msg"; 227 $content = "$code $msg\n";
166 $hdr->{"Content-Type"} = "text/plain"; 228 $hdr->{"Content-Type"} = "text/plain";
167 $hdr->{"Content-Length"} = length $content; 229 $hdr->{"Content-Length"} = length $content;
168 } 230 }
169 $hdr->{"Connection"} = "close"; 231 $hdr->{"Connection"} = "close";
170 232
171 $self->response($code, $msg, $hdr, $content); 233 $self->response($code, $msg, $hdr, $content);
172 234
173 die bless {}, err::; 235 die bless {}, err::;
174} 236}
175 237
176sub err_blocked {
177 my $self = shift;
178 my $ip = $self->{remote_addr};
179 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
180
181 Coro::Event::do_timer(after => 20*rand);
182
183 $self->err(401, "too many connections",
184 {
185 "Content-Type" => "text/html",
186 "Retry-After" => $::BLOCKTIME,
187 "Warning" => "Please do NOT retry, you have been blocked",
188 "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"",
189 },
190 <<EOF);
191<html><p>
192You have been blocked because you opened too many connections. You
193may retry at</p>
194
195 <p><blockquote>$time.</blockquote></p>
196
197<p>Until then, each new access will renew the block. You might want to have a
198look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
199</html>
200EOF
201}
202
203sub handle { 238sub handle {
204 my $self = shift; 239 my $self = shift;
205 my $fh = $self->{fh}; 240 my $fh = $self->{fh};
241
242 my $host;
206 243
207 $fh->timeout($::REQ_TIMEOUT); 244 $fh->timeout($::REQ_TIMEOUT);
208 while() { 245 while() {
209 $self->{reqs}++; 246 $self->{reqs}++;
210 247
… …
220 } 257 }
221 258
222 $self->{h} = {}; 259 $self->{h} = {};
223 260
224 $fh->timeout($::RES_TIMEOUT); 261 $fh->timeout($::RES_TIMEOUT);
225 my $ip = $self->{remote_addr};
226
227 if ($blocked{$ip}) {
228 $self->err_blocked($blocked{$ip})
229 if $blocked{$ip} > $::NOW;
230
231 delete $blocked{$ip};
232 }
233
234 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
235 $self->slog(2, "blocked ip $ip");
236 $self->err_blocked;
237 }
238 262
239 $req =~ /^(?:\015\012)? 263 $req =~ /^(?:\015\012)?
240 (GET|HEAD) \040+ 264 (GET|HEAD) \040+
241 ([^\040]+) \040+ 265 ([^\040]+) \040+
242 HTTP\/([0-9]+\.[0-9]+) 266 HTTP\/([0-9]+\.[0-9]+)
… …
267 291
268 $self->{h}{$h} = substr $v, 1 292 $self->{h}{$h} = substr $v, 1
269 while ($h, $v) = each %hdr; 293 while ($h, $v) = each %hdr;
270 } 294 }
271 295
296 # remote id should be unique per user
297 my $id = $self->{remote_addr};
298
299 if (exists $self->{h}{"client-ip"}) {
300 $id .= "[".$self->{h}{"client-ip"}."]";
301 } elsif (exists $self->{h}{"x-forwarded-for"}) {
302 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
303 }
304
305 $self->{remote_id} = $id;
306
307 if ($blocked{$id}) {
308 $self->err_blocked($blocked{$id})
309 if $blocked{$id} > $::NOW;
310
311 delete $blocked{$id};
312 }
313
314 if (%{$conn{$id}} >= $::MAX_CONN_IP) {
315 my $delay = $::PER_TIMEOUT + $::NOW + 15;
316 while (%{$conn{$id}} >= $::MAX_CONN_IP) {
317 if ($delay < $::NOW) {
318 $self->slog(2, "blocked ip $id");
319 $self->err_blocked;
320 } else {
321 $httpevent->wait;
322 }
323 }
324 }
325
326 # find out server name and port
327 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
328 $host = $1;
329 } else {
330 $host = $self->{h}{host};
331 }
332
333 if (defined $host) {
272 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 334 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
335 } else {
336 ($self->{server_port}, $host)
337 = unpack_sockaddr_in $self->{fh}->sockname
338 or $self->err(500, "unable to get socket name");
339 $host = inet_ntoa $host;
340 }
273 341
342 $self->{server_name} = $host;
343
344 # enter ourselves into various lists
345 weaken ($conn{$id}{$self*1} = $self);
274 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 346 weaken ($uri{$id}{$self->{uri}}{$self*1} = $self);
275 347
348 eval {
276 $self->map_uri; 349 $self->map_uri;
277 $self->respond; 350 $self->respond;
351 };
278 352
279 $self->eoconn; 353 $self->eoconn;
280 354
355 die if $@ && !ref $@;
356
281 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; 357 last if $self->{h}{connection} =~ /close/;
282 358
283 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); 359 $httpevent->broadcast;
360
284 $fh->timeout($::PER_TIMEOUT); 361 $fh->timeout($::PER_TIMEOUT);
285 } 362 }
286} 363}
287 364
288# uri => path mapping 365# uri => path mapping
289sub map_uri { 366sub map_uri {
290 my $self = shift; 367 my $self = shift;
291 my $host = $self->{h}{host} || "default"; 368 my $host = $self->{server_name};
292 my $uri = $self->{uri}; 369 my $uri = $self->{uri};
293 370
294 # some massaging, also makes it more secure 371 # some massaging, also makes it more secure
295 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 372 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
296 $uri =~ s%//+%/%g; 373 $uri =~ s%//+%/%g;
… …
306 $self->{path} = "$::DOCROOT/$host$uri"; 383 $self->{path} = "$::DOCROOT/$host$uri";
307 384
308 $self->access_check; 385 $self->access_check;
309} 386}
310 387
311sub server_address {
312 my $self = shift;
313 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
314 or $self->err(500, "unable to get socket name");
315 ((inet_ntoa $iaddr), $port);
316}
317
318sub server_host {
319 my $self = shift;
320 if (exists $self->{h}{host}) {
321 return $self->{h}{host};
322 } else {
323 return (($self->server_address)[0]);
324 }
325}
326
327sub server_hostport {
328 my $self = shift;
329 my ($host, $port);
330 if (exists $self->{h}{host}) {
331 ($host, $port) = ($self->{h}{host}, $self->{server_port});
332 } else {
333 ($host, $port) = $self->server_address;
334 }
335 $port = $port == 80 ? "" : ":$port";
336 $host.$port;
337}
338
339sub _cgi { 388sub _cgi {
340 my $self = shift; 389 my $self = shift;
341 my $path = shift; 390 my $path = shift;
342 my $fh; 391 my $fh;
343 392
344 # no two-way xxx supported 393 # no two-way xxx supported
345 if (0 == fork) { 394 if (0 == fork) {
346 open STDOUT, ">&".fileno($self->{fh}); 395 open STDOUT, ">&".fileno($self->{fh});
347 if (chdir $::DOCROOT) { 396 if (chdir $::DOCROOT) {
348 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 397 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
349 $ENV{HTTP_HOST} = $self->server_host; 398 $ENV{HTTP_HOST} = $self->{server_name};
350 $ENV{HTTP_PORT} = $self->{server_host}; 399 $ENV{HTTP_PORT} = $self->{server_port};
351 $ENV{SCRIPT_NAME} = $self->{name}; 400 $ENV{SCRIPT_NAME} = $self->{name};
352 exec $path; 401 exec $path;
353 } 402 }
354 Coro::State::_exit(0); 403 Coro::State::_exit(0);
355 } else { 404 } else {
405 die;
356 } 406 }
407}
408
409sub server_hostport {
410 $_[0]{server_port} == 80
411 ? $_[0]{server_name}
412 : "$_[0]{server_name}:$_[0]{server_port}";
357} 413}
358 414
359sub respond { 415sub respond {
360 my $self = shift; 416 my $self = shift;
361 my $path = $self->{path}; 417 my $path = $self->{path};
… …
371 427
372 if (-d _ && -r _) { 428 if (-d _ && -r _) {
373 # directory 429 # directory
374 if ($path !~ /\/$/) { 430 if ($path !~ /\/$/) {
375 # create a redirect to get the trailing "/" 431 # create a redirect to get the trailing "/"
376 my $host = $self->server_hostport; 432 # we don't try to avoid the :80
377 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 433 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
378 } else { 434 } else {
379 $ims < $self->{stat}[9] 435 $ims < $self->{stat}[9]
380 or $self->err(304, "not modified"); 436 or $self->err(304, "not modified");
381 437
382 if ($self->{method} eq "GET") {
383 if (-r "$path/index.html") { 438 if (-r "$path/index.html") {
384 $self->{path} .= "/index.html"; 439 # replace directory "size" by index.html filesize
440 $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7];
385 $self->handle_file; 441 $self->handle_file;
386 } else { 442 } else {
387 $self->handle_dir; 443 $self->handle_dir;
388 }
389 } 444 }
390 } 445 }
391 } elsif (-f _ && -r _) { 446 } elsif (-f _ && -r _) {
392 -x _ and $self->err(403, "forbidden"); 447 -x _ and $self->err(403, "forbidden");
393 $self->handle_file; 448 $self->handle_file;
… …
402 457
403 $self->response(200, "ok", 458 $self->response(200, "ok",
404 { 459 {
405 "Content-Type" => "text/html", 460 "Content-Type" => "text/html",
406 "Content-Length" => length $idx, 461 "Content-Length" => length $idx,
462 "Last-Modified" => time2str ((stat _)[9]),
407 }, 463 },
408 $idx); 464 $idx);
409} 465}
410 466
411sub handle_file { 467sub handle_file {
412 my $self = shift; 468 my $self = shift;
413 my $length = -s _; 469 my $length = $self->{stat}[7];
470 my $queue = $::transfers[$length >= $::TRANSFER_SMALL];
414 my $hdr = { 471 my $hdr = {
415 "Last-Modified" => time2str ((stat _)[9]), 472 "Last-Modified" => time2str ((stat _)[9]),
416 }; 473 };
417 474
418 my @code = (200, "ok"); 475 my @code = (200, "ok");
… …
426 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 483 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
427 } else { 484 } else {
428 ($l, $h) = (0, $length - 1); 485 ($l, $h) = (0, $length - 1);
429 goto ignore; 486 goto ignore;
430 } 487 }
431 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 488 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
432 } 489 }
433 $hdr->{"Content-Range"} = "bytes */$length"; 490 $hdr->{"Content-Range"} = "bytes */$length";
434 $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); 491 $hdr->{"Content-Length"} = $length;
435 $self->err(416, "not satisfiable", $hdr); 492 $self->err(416, "not satisfiable", $hdr, "");
436 493
437satisfiable: 494satisfiable:
438 # check for segmented downloads 495 # check for segmented downloads
439 if ($l && $::NO_SEGMENTED) { 496 if ($l && $::NO_SEGMENTED) {
497 my $delay = $::NOW + $::PER_TIMEOUT + 15;
440 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 498 while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
441 Coro::Event::do_timer(after => 15); 499 if ($delay <= $::NOW) {
442 500 $self->err_segmented_download;
443 $self->err(400, "segmented downloads are not allowed"); 501 } else {
502 $httpevent->wait;
503 }
444 } 504 }
445 } 505 }
446 506
447 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 507 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
448 @code = (206, "partial content"); 508 @code = (206, "partial content");
… …
458 $hdr->{"Content-Length"} = $length; 518 $hdr->{"Content-Length"} = $length;
459 519
460 $self->response(@code, $hdr, ""); 520 $self->response(@code, $hdr, "");
461 521
462 if ($self->{method} eq "GET") { 522 if ($self->{method} eq "GET") {
523 $self->{time} = $::NOW;
524
525 my $fudge = $queue->[0]->waiters;
526 $fudge = $fudge ? ($fudge+1)/$fudge : 1;
527
528 $queue->[1] *= $fudge;
529 my $transfer = $queue->[0]->guard;
530
531 if ($fudge != 1) {
532 $queue->[1] /= $fudge;
533 $queue->[1] = $queue->[1] * $::wait_factor
534 + ($::NOW - $self->{time}) * (1 - $::wait_factor);
535 }
536 $self->{time} = $::NOW;
537
538 $self->{fh}->writable or return;
539
463 my ($fh, $buf, $r); 540 my ($fh, $buf, $r);
464 my $current = $Coro::current; 541 my $current = $Coro::current;
465 open $fh, "<", $self->{path} 542 open $fh, "<", $self->{path}
466 or die "$self->{path}: late open failure ($!)"; 543 or die "$self->{path}: late open failure ($!)";
467 544
… …
479 or last; 556 or last;
480 } else { 557 } else {
481 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 558 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
482 $buf, 0, sub { 559 $buf, 0, sub {
483 $r = $_[0]; 560 $r = $_[0];
484 $current->ready; 561 Coro::ready($current);
485 }); 562 });
486 &Coro::schedule; 563 &Coro::schedule;
487 last unless $r; 564 last unless $r;
488 } 565 }
489 my $w = $self->{fh}->syswrite($buf) 566 my $w = syswrite $self->{fh}, $buf
490 or last; 567 or last;
491 $::written += $w; 568 $::written += $w;
492 $self->{written} += $w; 569 $self->{written} += $w;
493 $l += $r; 570 $l += $r;
494 } 571 }
495 }
496 572
497 close $fh; 573 close $fh;
574 }
498} 575}
499 576
5001; 5771;

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