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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.19 by root, Thu Aug 16 16:40:07 2001 UTC vs.
Revision 1.46 by root, Sat Nov 17 04:15:23 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;
5 8
6no utf8; 9no utf8;
7use bytes; 10use bytes;
8 11
9# at least on my machine, this thingy serves files 12# at least on my machine, this thingy serves files
10# quite a bit faster than apache, ;) 13# quite a bit faster than apache, ;)
11# and quite a bit slower than thttpd :( 14# and quite a bit slower than thttpd :(
12 15
13$SIG{PIPE} = 'IGNORE'; 16$SIG{PIPE} = 'IGNORE';
14 17
18our $accesslog;
19
20if ($ACCESS_LOG) {
21 use IO::Handle;
22 open $accesslog, ">>$ACCESS_LOG"
23 or die "$ACCESS_LOG: $!";
24 $accesslog->autoflush(1);
25}
26
15sub slog { 27sub slog {
16 my $level = shift; 28 my $level = shift;
17 my $format = shift; 29 my $format = shift;
18 printf "---: $format\n", @_; 30 printf "---: $format\n", @_;
19} 31}
20 32
21my $connections = new Coro::Semaphore $MAX_CONNECTS; 33our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
34our $httpevent = new Coro::Signal;
35
36our $wait_factor = 0.95;
37
38our @transfers = (
39 [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1],
40 [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1],
41);
22 42
23my @newcons; 43my @newcons;
24my @pool; 44my @pool;
25 45
26# one "execution thread" 46# one "execution thread"
27sub handler { 47sub handler {
28 while () { 48 while () {
29 my $new = pop @newcons;
30 if ($new) { 49 if (@newcons) {
31 eval { 50 eval {
32 conn->new(@$new)->handle; 51 conn->new(@{pop @newcons})->handle;
33 }; 52 };
34 slog 1, "$@" if $@ && !ref $@; 53 slog 1, "$@" if $@ && !ref $@;
35 $connections->up; 54 $connections->up;
36 } else { 55 } else {
37 last if @pool >= $MAX_POOL; 56 last if @pool >= $MAX_POOL;
… …
39 schedule; 58 schedule;
40 } 59 }
41 } 60 }
42} 61}
43 62
63sub listen_on {
64 my $listen = $_[0];
65
66 push @listen_sockets, $listen;
67
68 # the "main thread"
69 async {
70 slog 1, "accepting connections";
71 while () {
72 $connections->down;
73 push @newcons, [$listen->accept];
74 #slog 3, "accepted @$connections ".scalar(@pool);
75 if (@pool) {
76 (pop @pool)->ready;
77 } else {
78 async \&handler;
79 }
80
81 }
82 };
83}
84
44my $http_port = new Coro::Socket 85my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST, 86 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT, 87 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1, 88 ReuseAddr => 1,
48 Listen => 50, 89 Listen => 50,
49 or die "unable to start server"; 90 or die "unable to start server";
50 91
51push @listen_sockets, $http_port; 92listen_on $http_port;
52 93
53# the "main thread" 94if ($SERVER_PORT2) {
54async { 95 my $http_port = new Coro::Socket
55 slog 1, "accepting connections"; 96 LocalAddr => $SERVER_HOST,
56 while () { 97 LocalPort => $SERVER_PORT2,
57 $connections->down; 98 ReuseAddr => 1,
58 push @newcons, [$http_port->accept]; 99 Listen => 50,
59 #slog 3, "accepted @$connections ".scalar(@pool); 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 {
60 $::NOW = time; 109 $NOW = time;
61 if (@pool) { 110 $HTTP_NOW = time2str $NOW;
62 (pop @pool)->ready; 111})->now;
63 } else {
64 async \&handler;
65 }
66
67 }
68};
69 112
70package conn; 113package conn;
71 114
72use Socket; 115use Socket;
73use HTTP::Date; 116use HTTP::Date;
… …
76 119
77Linux::AIO::min_parallel $::AIO_PARALLEL; 120Linux::AIO::min_parallel $::AIO_PARALLEL;
78 121
79Event->io(fd => Linux::AIO::poll_fileno, 122Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', async => 1, 123 poll => 'r', async => 1,
81 cb => \&Linux::AIO::poll_cb ); 124 cb => \&Linux::AIO::poll_cb);
82 125
83our %conn; # $conn{ip}{fh} => connobj 126our %conn; # $conn{ip}{self} => connobj
127our %uri; # $uri{ip}{uri}{self}
84our %blocked; 128our %blocked;
85our %mimetype; 129our %mimetype;
86 130
87sub read_mimetypes { 131sub read_mimetypes {
88 local *M; 132 local *M;
… …
99 143
100read_mimetypes; 144read_mimetypes;
101 145
102sub new { 146sub new {
103 my $class = shift; 147 my $class = shift;
148 my $fh = shift;
104 my $peername = shift; 149 my $peername = shift;
105 my $fh = shift;
106 my $self = bless { fh => $fh }, $class; 150 my $self = bless { fh => $fh }, $class;
107 my (undef, $iaddr) = unpack_sockaddr_in $peername 151 my (undef, $iaddr) = unpack_sockaddr_in $peername
108 or $self->err(500, "unable to decode peername"); 152 or $self->err(500, "unable to decode peername");
109 153
110 $self->{remote_addr} = inet_ntoa $iaddr; 154 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW; 155 $self->{time} = $::NOW;
112 156
113 # enter ourselves into various lists
114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
115
116 $::conns++; 157 $::conns++;
117 158
118 $self; 159 $self;
119} 160}
120 161
121sub DESTROY { 162sub DESTROY {
122 my $self = shift; 163 my $self = shift;
123
124 $::conns--; 164 $::conns--;
125
126 $self->eoconn; 165 $self->eoconn;
127 delete $conn{$self->{remote_addr}}{$self*1};
128} 166}
129 167
130# end of connection 168# end of connection
131sub eoconn { 169sub eoconn {
170 my $self = shift;
171
172 # clean up hints
173 delete $conn{$self->{remote_id}}{$self*1};
132 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; 174 delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1};
175
176 $httpevent->broadcast;
133} 177}
134 178
135sub slog { 179sub slog {
136 my $self = shift; 180 my $self = shift;
137 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 181 main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]");
138} 182}
139 183
140sub response { 184sub response {
141 my ($self, $code, $msg, $hdr, $content) = @_; 185 my ($self, $code, $msg, $hdr, $content) = @_;
142 my $res = "HTTP/1.1 $code $msg\015\012"; 186 my $res = "HTTP/1.1 $code $msg\015\012";
143 187
144 #$res .= "Connection: close\015\012"; 188 if (exists $hdr->{Connection}) {
145 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 189 if ($hdr->{Connection} =~ /close/) {
190 $self->{h}{connection} = "close"
191 }
192 } else {
193 if ($self->{version} < 1.1) {
194 if ($self->{h}{connection} =~ /keep-alive/i) {
195 $hdr->{Connection} = "Keep-Alive";
196 } else {
197 $self->{h}{connection} = "close"
198 }
199 }
200 }
201
202 $res .= "Date: $HTTP_NOW\015\012";
146 203
147 while (my ($h, $v) = each %$hdr) { 204 while (my ($h, $v) = each %$hdr) {
148 $res .= "$h: $v\015\012" 205 $res .= "$h: $v\015\012"
149 } 206 }
150 $res .= "\015\012"; 207 $res .= "\015\012";
151 208
152 $res .= $content if defined $content and $self->{method} ne "HEAD"; 209 $res .= $content if defined $content and $self->{method} ne "HEAD";
153 210
154 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 211 my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
212
213 print $accesslog $log if $accesslog;
214 print STDERR $log;
155 215
156 $self->{written} += 216 $self->{written} +=
157 print {$self->{fh}} $res; 217 print {$self->{fh}} $res;
158} 218}
159 219
160sub err { 220sub err {
161 my $self = shift; 221 my $self = shift;
162 my ($code, $msg, $hdr, $content) = @_; 222 my ($code, $msg, $hdr, $content) = @_;
163 223
164 unless (defined $content) { 224 unless (defined $content) {
165 $content = "$code $msg"; 225 $content = "$code $msg\n";
166 $hdr->{"Content-Type"} = "text/plain"; 226 $hdr->{"Content-Type"} = "text/plain";
167 $hdr->{"Content-Length"} = length $content; 227 $hdr->{"Content-Length"} = length $content;
168 } 228 }
169 $hdr->{"Connection"} = "close"; 229 $hdr->{"Connection"} = "close";
170 230
171 $self->response($code, $msg, $hdr, $content); 231 $self->response($code, $msg, $hdr, $content);
172 232
173 die bless {}, err::; 233 die bless {}, err::;
174} 234}
175 235
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 => 15);
182
183 $self->err(401, "too many connections",
184 {
185 "Content-Type" => "text/html",
186 "Retry-After" => $::BLOCKTIME
187 },
188 <<EOF);
189<html><p>
190You have been blocked because you opened too many connections. You
191may retry at</p>
192
193 <p><blockquote>$time.</blockquote></p>
194
195<p>Until then, each new access will renew the block. You might want to have a
196look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
197</html>
198EOF
199}
200
201sub handle { 236sub handle {
202 my $self = shift; 237 my $self = shift;
203 my $fh = $self->{fh}; 238 my $fh = $self->{fh};
239
240 my $host;
204 241
205 $fh->timeout($::REQ_TIMEOUT); 242 $fh->timeout($::REQ_TIMEOUT);
206 while() { 243 while() {
207 $self->{reqs}++; 244 $self->{reqs}++;
208 245
… …
218 } 255 }
219 256
220 $self->{h} = {}; 257 $self->{h} = {};
221 258
222 $fh->timeout($::RES_TIMEOUT); 259 $fh->timeout($::RES_TIMEOUT);
223 my $ip = $self->{remote_addr};
224
225 if ($blocked{$ip}) {
226 $self->err_blocked($blocked{$ip})
227 if $blocked{$ip} > $::NOW;
228
229 delete $blocked{$ip};
230 }
231
232 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
233 $self->slog(2, "blocked ip $ip");
234 $self->err_blocked;
235 }
236 260
237 $req =~ /^(?:\015\012)? 261 $req =~ /^(?:\015\012)?
238 (GET|HEAD) \040+ 262 (GET|HEAD) \040+
239 ([^\040]+) \040+ 263 ([^\040]+) \040+
240 HTTP\/([0-9]+\.[0-9]+) 264 HTTP\/([0-9]+\.[0-9]+)
… …
243 267
244 $self->{method} = $1; 268 $self->{method} = $1;
245 $self->{uri} = $2; 269 $self->{uri} = $2;
246 $self->{version} = $3; 270 $self->{version} = $3;
247 271
248 $3 eq "1.0" or $3 eq "1.1" 272 $3 =~ /^1\./
249 or $self->err(506, "http protocol version $3 not supported"); 273 or $self->err(506, "http protocol version $3 not supported");
250 274
251 # parse headers 275 # parse headers
252 { 276 {
253 my (%hdr, $h, $v); 277 my (%hdr, $h, $v);
… …
265 289
266 $self->{h}{$h} = substr $v, 1 290 $self->{h}{$h} = substr $v, 1
267 while ($h, $v) = each %hdr; 291 while ($h, $v) = each %hdr;
268 } 292 }
269 293
294 # remote id should be unique per user
295 my $id = $self->{remote_addr};
296
297 if (exists $self->{h}{"client-ip"}) {
298 $id .= "[".$self->{h}{"client-ip"}."]";
299 } elsif (exists $self->{h}{"x-forwarded-for"}) {
300 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
301 }
302
303 $self->{remote_id} = $id;
304
305 if ($blocked{$id}) {
306 $self->err_blocked($blocked{$id})
307 if $blocked{$id} > $::NOW;
308
309 delete $blocked{$id};
310 }
311
312 if (%{$conn{$id}} >= $::MAX_CONN_IP) {
313 my $delay = $::PER_TIMEOUT + $::NOW + 15;
314 while (%{$conn{$id}} >= $::MAX_CONN_IP) {
315 if ($delay < $::NOW) {
316 $self->slog(2, "blocked ip $id");
317 $self->err_blocked;
318 } else {
319 $httpevent->wait;
320 }
321 }
322 }
323
324 # find out server name and port
325 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
326 $host = $1;
327 } else {
328 $host = $self->{h}{host};
329 }
330
331 if (defined $host) {
270 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 332 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
333 } else {
334 ($self->{server_port}, $host)
335 = unpack_sockaddr_in $self->{fh}->sockname
336 or $self->err(500, "unable to get socket name");
337 $host = inet_ntoa $host;
338 }
271 339
340 $self->{server_name} = $host;
341
342 # enter ourselves into various lists
343 weaken ($conn{$id}{$self*1} = $self);
272 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); 344 weaken ($uri{$id}{$self->{uri}}{$self*1} = $self);
273 345
346 eval {
274 $self->map_uri; 347 $self->map_uri;
275 $self->respond; 348 $self->respond;
349 };
276 350
277 $self->eoconn; 351 $self->eoconn;
278 352
353 die if $@ && !ref $@;
354
279 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; 355 last if $self->{h}{connection} =~ /close/;
280 356
281 $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); 357 $httpevent->broadcast;
358
282 $fh->timeout($::PER_TIMEOUT); 359 $fh->timeout($::PER_TIMEOUT);
283 } 360 }
284} 361}
285 362
286# uri => path mapping 363# uri => path mapping
287sub map_uri { 364sub map_uri {
288 my $self = shift; 365 my $self = shift;
289 my $host = $self->{h}{host} || "default"; 366 my $host = $self->{server_name};
290 my $uri = $self->{uri}; 367 my $uri = $self->{uri};
291 368
292 # some massaging, also makes it more secure 369 # some massaging, also makes it more secure
293 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 370 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
294 $uri =~ s%//+%/%g; 371 $uri =~ s%//+%/%g;
… …
304 $self->{path} = "$::DOCROOT/$host$uri"; 381 $self->{path} = "$::DOCROOT/$host$uri";
305 382
306 $self->access_check; 383 $self->access_check;
307} 384}
308 385
309sub server_address {
310 my $self = shift;
311 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
312 or $self->err(500, "unable to get socket name");
313 ((inet_ntoa $iaddr), $port);
314}
315
316sub server_host {
317 my $self = shift;
318 if (exists $self->{h}{host}) {
319 return $self->{h}{host};
320 } else {
321 return (($self->server_address)[0]);
322 }
323}
324
325sub server_hostport {
326 my $self = shift;
327 my ($host, $port);
328 if (exists $self->{h}{host}) {
329 ($host, $port) = ($self->{h}{host}, $self->{server_port});
330 } else {
331 ($host, $port) = $self->server_address;
332 }
333 $port = $port == 80 ? "" : ":$port";
334 $host.$port;
335}
336
337sub _cgi { 386sub _cgi {
338 my $self = shift; 387 my $self = shift;
339 my $path = shift; 388 my $path = shift;
340 my $fh; 389 my $fh;
341 390
342 # no two-way xxx supported 391 # no two-way xxx supported
343 if (0 == fork) { 392 if (0 == fork) {
344 open STDOUT, ">&".fileno($self->{fh}); 393 open STDOUT, ">&".fileno($self->{fh});
345 if (chdir $::DOCROOT) { 394 if (chdir $::DOCROOT) {
346 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 395 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
347 $ENV{HTTP_HOST} = $self->server_host; 396 $ENV{HTTP_HOST} = $self->{server_name};
348 $ENV{HTTP_PORT} = $self->{server_host}; 397 $ENV{HTTP_PORT} = $self->{server_port};
349 $ENV{SCRIPT_NAME} = $self->{name}; 398 $ENV{SCRIPT_NAME} = $self->{name};
350 exec $path; 399 exec $path;
351 } 400 }
352 Coro::State::_exit(0); 401 Coro::State::_exit(0);
353 } else { 402 } else {
403 die;
354 } 404 }
405}
406
407sub server_hostport {
408 $_[0]{server_port} == 80
409 ? $_[0]{server_name}
410 : "$_[0]{server_name}:$_[0]{server_port}";
355} 411}
356 412
357sub respond { 413sub respond {
358 my $self = shift; 414 my $self = shift;
359 my $path = $self->{path}; 415 my $path = $self->{path};
… …
369 425
370 if (-d _ && -r _) { 426 if (-d _ && -r _) {
371 # directory 427 # directory
372 if ($path !~ /\/$/) { 428 if ($path !~ /\/$/) {
373 # create a redirect to get the trailing "/" 429 # create a redirect to get the trailing "/"
374 my $host = $self->server_hostport; 430 # we don't try to avoid the :80
375 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 431 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
376 } else { 432 } else {
377 $ims < $self->{stat}[9] 433 $ims < $self->{stat}[9]
378 or $self->err(304, "not modified"); 434 or $self->err(304, "not modified");
379 435
380 if ($self->{method} eq "GET") {
381 if (-r "$path/index.html") { 436 if (-r "$path/index.html") {
382 $self->{path} .= "/index.html"; 437 # replace directory "size" by index.html filesize
438 $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7];
383 $self->handle_file; 439 $self->handle_file;
384 } else { 440 } else {
385 $self->handle_dir; 441 $self->handle_dir;
386 }
387 } 442 }
388 } 443 }
389 } elsif (-f _ && -r _) { 444 } elsif (-f _ && -r _) {
390 -x _ and $self->err(403, "forbidden"); 445 -x _ and $self->err(403, "forbidden");
391 $self->handle_file; 446 $self->handle_file;
… …
406 $idx); 461 $idx);
407} 462}
408 463
409sub handle_file { 464sub handle_file {
410 my $self = shift; 465 my $self = shift;
411 my $length = -s _; 466 my $length = $self->{stat}[7];
467 my $queue = $::transfers[$length >= $::TRANSFER_SMALL];
412 my $hdr = { 468 my $hdr = {
413 "Last-Modified" => time2str ((stat _)[9]), 469 "Last-Modified" => time2str ((stat _)[9]),
414 }; 470 };
415 471
416 my @code = (200, "ok"); 472 my @code = (200, "ok");
… …
424 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 480 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
425 } else { 481 } else {
426 ($l, $h) = (0, $length - 1); 482 ($l, $h) = (0, $length - 1);
427 goto ignore; 483 goto ignore;
428 } 484 }
429 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 485 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
430 } 486 }
431 $hdr->{"Content-Range"} = "bytes */$length"; 487 $hdr->{"Content-Range"} = "bytes */$length";
488 $hdr->{"Content-Length"} = $length;
432 $self->err(416, "not satisfiable", $hdr); 489 $self->err(416, "not satisfiable", $hdr, "");
433 490
434satisfiable: 491satisfiable:
435 # check for segmented downloads 492 # check for segmented downloads
436 if ($l && $::NO_SEGMENTED) { 493 if ($l && $::NO_SEGMENTED) {
494 my $delay = $::NOW + $::PER_TIMEOUT + 15;
437 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { 495 while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) {
438 Coro::Event::do_timer(after => 15); 496 if ($delay <= $::NOW) {
439 497 $self->err_segmented_download;
440 $self->err(400, "segmented downloads are not allowed"); 498 } else {
499 $httpevent->wait;
500 }
441 } 501 }
442 } 502 }
443 503
444 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 504 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
445 @code = (206, "partial content"); 505 @code = (206, "partial content");
… …
455 $hdr->{"Content-Length"} = $length; 515 $hdr->{"Content-Length"} = $length;
456 516
457 $self->response(@code, $hdr, ""); 517 $self->response(@code, $hdr, "");
458 518
459 if ($self->{method} eq "GET") { 519 if ($self->{method} eq "GET") {
520 $self->{time} = $::NOW;
521
522 my $fudge = $queue->[0]->waiters;
523 $fudge = $fudge ? ($fudge+1)/$fudge : 1;
524
525 $queue->[1] *= $fudge;
526 my $transfer = $queue->[0]->guard;
527
528 if ($fudge != 1) {
529 $queue->[1] /= $fudge;
530 $queue->[1] = $queue->[1] * $::wait_factor
531 + ($::NOW - $self->{time}) * (1 - $::wait_factor);
532 }
533 $self->{time} = $::NOW;
534
535 $self->{fh}->writable or return;
536
460 my ($fh, $buf, $r); 537 my ($fh, $buf, $r);
461 my $current = $Coro::current; 538 my $current = $Coro::current;
462 open $fh, "<", $self->{path} 539 open $fh, "<", $self->{path}
463 or die "$self->{path}: late open failure ($!)"; 540 or die "$self->{path}: late open failure ($!)";
464 541
… …
476 or last; 553 or last;
477 } else { 554 } else {
478 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), 555 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
479 $buf, 0, sub { 556 $buf, 0, sub {
480 $r = $_[0]; 557 $r = $_[0];
481 $current->ready; 558 Coro::ready($current);
482 }); 559 });
483 &Coro::schedule; 560 &Coro::schedule;
484 last unless $r; 561 last unless $r;
485 } 562 }
486 my $w = $self->{fh}->syswrite($buf) 563 my $w = syswrite $self->{fh}, $buf
487 or last; 564 or last;
488 $::written += $w; 565 $::written += $w;
489 $self->{written} += $w; 566 $self->{written} += $w;
490 $l += $r; 567 $l += $r;
491 } 568 }
492 }
493 569
494 close $fh; 570 close $fh;
571 }
495} 572}
496 573
4971; 5741;

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