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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.2 by root, Thu Aug 9 19:11:13 2001 UTC vs.
Revision 1.54 by root, Fri Nov 30 06:03:48 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
13my $port = new Coro::Socket
14 LocalAddr => $SERVER_HOST,
15 LocalPort => $SERVER_PORT,
16 ReuseAddr => 1,
17 Listen => 1,
18 or die "unable to start server";
19
20$SIG{PIPE} = 'IGNORE'; 17$SIG{PIPE} = 'IGNORE';
21 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
22sub slog { 28sub slog {
23 my $level = shift; 29 my $level = shift;
24 my $format = shift; 30 my $format = shift;
25 printf "---: $format\n", @_; 31 printf "---: $format\n", @_;
26} 32}
27 33
28my $connections = new Coro::Semaphore $MAX_CONNECTS; 34our $connections = new Coro::Semaphore $MAX_CONNECTS || 250;
35our $httpevent = new Coro::Signal;
29 36
30my @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;
31my @pool; 44my @pool;
32 45
33# one "execution thread" 46# one "execution thread"
34sub handler { 47sub handler {
35 while () { 48 while () {
36 my $fh = pop @fh; 49 if (@newcons) {
37 if ($fh) {
38 eval { 50 eval {
39 conn->new($fh)->handle; 51 conn->new(@{pop @newcons})->handle;
40 }; 52 };
41 close $fh;
42 slog 1, "$@" if $@ && !ref $@; 53 slog 1, "$@" if $@ && !ref $@;
43 $connections->up; 54 $connections->up;
44 } else { 55 } else {
45 last if @pool >= $MAX_POOL; 56 last if @pool >= $MAX_POOL;
46 push @pool, $Coro::current; 57 push @pool, $Coro::current;
47 schedule; 58 schedule;
48 } 59 }
49 } 60 }
50} 61}
51 62
63sub listen_on {
64 my $listen = $_[0];
65
66 push @listen_sockets, $listen;
67
52# the "main thread" 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;
75use Convert::Scalar 'weaken'; 117use Convert::Scalar 'weaken';
118use Linux::AIO;
76 119
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
77my %conn; # $conn{ip}{fh} => connobj 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;
78 145
79sub new { 146sub new {
80 my $class = shift; 147 my $class = shift;
81 my $fh = shift; 148 my $fh = shift;
149 my $peername = shift;
82 my $self = bless { fh => $fh }, $class; 150 my $self = bless { fh => $fh }, $class;
83 my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername 151 my (undef, $iaddr) = unpack_sockaddr_in $peername
84 or $self->err(500, "unable to get peername"); 152 or $self->err(500, "unable to decode peername");
153
154 $self->{remote_addr} =
85 $self->{remote_address} = inet_ntoa $iaddr; 155 $self->{remote_id} = inet_ntoa $iaddr;
156 $self->{time} = $::NOW;
86 157
87 # enter ourselves into various lists 158 weaken ($Coro::current->{conn} = $self);
88 weaken ($conn{$self->{remote_address}}{$self*1} = $self); 159
89 print $self->{remote_address}.": ".($self*1)." > ".%{$conn{$self->{remote_address}}},"\n"; 160 $::conns++;
161 $::maxconns = $::conns if $::conns > $::maxconns;
162
90 $self; 163 $self;
91} 164}
92 165
93sub DESTROY { 166sub DESTROY {
94 my $self = shift; 167 my $self = shift;
168 $::conns--;
169 $self->eoconn;
170}
171
172# end of connection
173sub eoconn {
174 my $self = shift;
175
176 # clean up hints
95 delete $conn{$self->{remote_address}}{$self*1}; 177 delete $conn{$self->{remote_id}}{$self*1};
178 delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1};
179
180 $httpevent->broadcast;
96} 181}
97 182
98sub slog { 183sub slog {
99 main::slog(@_); 184 my $self = shift;
185 main::slog($_[0], "$self->{remote_id}> $_[1]");
100} 186}
101 187
102sub print_response { 188sub response {
103 my ($self, $code, $msg, $hdr, $content) = @_; 189 my ($self, $code, $msg, $hdr, $content) = @_;
104 my $res = "HTTP/1.0 $code $msg\015\012"; 190 my $res = "HTTP/1.1 $code $msg\015\012";
105 191
106 $hdr->{Date} = time2str time; # slow? nah. 192 if (exists $hdr->{Connection}) {
193 if ($hdr->{Connection} =~ /close/) {
194 $self->{h}{connection} = "close"
195 }
196 } else {
197 if ($self->{version} < 1.1) {
198 if ($self->{h}{connection} =~ /keep-alive/i) {
199 $hdr->{Connection} = "Keep-Alive";
200 } else {
201 $self->{h}{connection} = "close"
202 }
203 }
204 }
205
206 $res .= "Date: $HTTP_NOW\015\012";
107 207
108 while (my ($h, $v) = each %$hdr) { 208 while (my ($h, $v) = each %$hdr) {
109 $res .= "$h: $v\015\012" 209 $res .= "$h: $v\015\012"
110 } 210 }
111 $res .= "\015\012$content" if defined $content; 211 $res .= "\015\012";
112 212
113 print STDERR "$self->{remote_address} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 213 $res .= $content if defined $content and $self->{method} ne "HEAD";
114 214
215 my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW).
216 " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.
217 " \"$self->{h}{referer}\"\n";
218
219 print $accesslog $log if $accesslog;
220 print STDERR $log;
221
222 $self->{written} +=
115 print {$self->{fh}} $res; 223 print {$self->{fh}} $res;
116} 224}
117 225
118sub err { 226sub err {
119 my $self = shift; 227 my $self = shift;
120 my ($code, $msg, $hdr, $content) = @_; 228 my ($code, $msg, $hdr, $content) = @_;
121 229
122 unless (defined $content) { 230 unless (defined $content) {
123 $content = "$code $msg"; 231 $content = "$code $msg\n";
124 $hdr->{"Content-Type"} = "text/plain"; 232 $hdr->{"Content-Type"} = "text/plain";
125 $hdr->{"Content-Length"} = length $content; 233 $hdr->{"Content-Length"} = length $content;
126 } 234 }
235 $hdr->{"Connection"} = "close";
127 236
128 $self->slog($msg) if $code;
129
130 $self->print_response($code, $msg, $hdr, $content); 237 $self->response($code, $msg, $hdr, $content);
131 238
132 die bless {}, err::; 239 die bless {}, err::;
133} 240}
134 241
135sub handle { 242sub handle {
136 my $self = shift; 243 my $self = shift;
137 my $fh = $self->{fh}; 244 my $fh = $self->{fh};
138 245
246 my $host;
247
248 $fh->timeout($::REQ_TIMEOUT);
139 #while() { 249 while() {
250 $self->{reqs}++;
251
252 # read request and parse first line
253 my $req = $fh->readline("\015\012\015\012");
254
255 unless (defined $req) {
256 if (exists $self->{version}) {
257 last;
258 } else {
259 $self->err(408, "request timeout");
260 }
261 }
262
140 $self->{h} = {}; 263 $self->{h} = {};
141 264
142 # read request and parse first line
143 $fh->timeout($::REQ_TIMEOUT);
144 my $req = $fh->readline("\015\012\015\012");
145 $fh->timeout($::RES_TIMEOUT); 265 $fh->timeout($::RES_TIMEOUT);
146
147 defined $req or
148 $self->err(408, "request timeout");
149 266
150 $req =~ /^(?:\015\012)? 267 $req =~ /^(?:\015\012)?
151 (GET|HEAD) \040+ 268 (GET|HEAD) \040+
152 ([^\040]+) \040+ 269 ([^\040]+) \040+
153 HTTP\/([0-9]+\.[0-9]+) 270 HTTP\/([0-9]+\.[0-9]+)
154 \015\012/gx 271 \015\012/gx
155 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 272 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
156
157 $2 ne "1.0"
158 or $self->err(506, "http protocol version not supported");
159 273
160 $self->{method} = $1; 274 $self->{method} = $1;
161 $self->{uri} = $2; 275 $self->{uri} = $2;
276 $self->{version} = $3;
277
278 $3 =~ /^1\./
279 or $self->err(506, "http protocol version $3 not supported");
162 280
163 # parse headers 281 # parse headers
164 { 282 {
165 my (%hdr, $h, $v); 283 my (%hdr, $h, $v);
166 284
… …
177 295
178 $self->{h}{$h} = substr $v, 1 296 $self->{h}{$h} = substr $v, 1
179 while ($h, $v) = each %hdr; 297 while ($h, $v) = each %hdr;
180 } 298 }
181 299
300 # remote id should be unique per user
301 my $id = $self->{remote_addr};
302
303 if (exists $self->{h}{"client-ip"}) {
304 $id .= "[".$self->{h}{"client-ip"}."]";
305 } elsif (exists $self->{h}{"x-forwarded-for"}) {
306 $id .= "[".$self->{h}{"x-forwarded-for"}."]";
307 }
308
309 $self->{remote_id} = $id;
310
311 if ($blocked{$id}) {
312 $self->err_blocked($blocked{$id})
313 if $blocked{$id} > $::NOW;
314
315 delete $blocked{$id};
316 }
317
318 if (%{$conn{$id}} >= $::MAX_CONN_IP) {
319 my $delay = $::PER_TIMEOUT + $::NOW + 15;
320 while (%{$conn{$id}} >= $::MAX_CONN_IP) {
321 if ($delay < $::NOW) {
322 $self->slog(2, "blocked ip $id");
323 $self->err_blocked;
324 } else {
325 $httpevent->wait;
326 }
327 }
328 }
329
330 # find out server name and port
331 if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
332 $host = $1;
333 } else {
334 $host = $self->{h}{host};
335 }
336
337 if (defined $host) {
182 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 338 $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
339 } else {
340 ($self->{server_port}, $host)
341 = unpack_sockaddr_in $self->{fh}->sockname
342 or $self->err(500, "unable to get socket name");
343 $host = inet_ntoa $host;
344 }
183 345
346 $self->{server_name} = $host;
347
348 # enter ourselves into various lists
349 weaken ($conn{$id}{$self*1} = $self);
350 weaken ($uri{$id}{$self->{uri}}{$self*1} = $self);
351
352 eval {
184 $self->map_uri; 353 $self->map_uri;
185
186 Coro::Event::do_timer(after => 5);
187
188 $self->respond; 354 $self->respond;
355 };
356
357 $self->eoconn;
358
359 die if $@ && !ref $@;
360
361 last if $self->{h}{connection} =~ /close/;
362
363 $httpevent->broadcast;
364
365 $fh->timeout($::PER_TIMEOUT);
189 #} 366 }
190} 367}
191 368
192# uri => path mapping 369# uri => path mapping
193sub map_uri { 370sub map_uri {
194 my $self = shift; 371 my $self = shift;
195 my $host = $self->{h}{host} || "default"; 372 my $host = $self->{server_name};
196 my $uri = $self->{uri}; 373 my $uri = $self->{uri};
197 374
198 # some massaging, also makes it more secure 375 # some massaging, also makes it more secure
199 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; 376 $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
200 $uri =~ s%//+%/%g; 377 $uri =~ s%//+%/%g;
… …
206 383
207 $self->{name} = $uri; 384 $self->{name} = $uri;
208 385
209 # now do the path mapping 386 # now do the path mapping
210 $self->{path} = "$::DOCROOT/$host$uri"; 387 $self->{path} = "$::DOCROOT/$host$uri";
211}
212 388
213sub server_address { 389 $self->access_check;
214 my $self = shift;
215 my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
216 or $self->err(500, "unable to get socket name");
217 ((inet_ntoa $iaddr), $port);
218}
219
220sub server_host {
221 my $self = shift;
222 if (exists $self->{h}{host}) {
223 return $self->{h}{host};
224 } else {
225 return (($self->server_address)[0]);
226 }
227}
228
229sub server_hostport {
230 my $self = shift;
231 my ($host, $port);
232 if (exists $self->{h}{host}) {
233 ($host, $port) = ($self->{h}{host}, $self->{server_port});
234 } else {
235 ($host, $port) = $self->server_address;
236 }
237 $port = $port == 80 ? "" : ":$port";
238 $host.$port;
239} 390}
240 391
241sub _cgi { 392sub _cgi {
242 my $self = shift; 393 my $self = shift;
243 my $path = shift; 394 my $path = shift;
… …
246 # no two-way xxx supported 397 # no two-way xxx supported
247 if (0 == fork) { 398 if (0 == fork) {
248 open STDOUT, ">&".fileno($self->{fh}); 399 open STDOUT, ">&".fileno($self->{fh});
249 if (chdir $::DOCROOT) { 400 if (chdir $::DOCROOT) {
250 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 401 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
251 $ENV{HTTP_HOST} = $self->server_host; 402 $ENV{HTTP_HOST} = $self->{server_name};
252 $ENV{HTTP_PORT} = $self->{server_host}; 403 $ENV{HTTP_PORT} = $self->{server_port};
253 $ENV{SCRIPT_NAME} = $self->{name}; 404 $ENV{SCRIPT_NAME} = $self->{name};
254 exec $::INDEXPROG; 405 exec $path;
255 } 406 }
256 Coro::State::_exit(0); 407 Coro::State::_exit(0);
257 } else { 408 } else {
409 die;
258 } 410 }
411}
412
413sub server_hostport {
414 $_[0]{server_port} == 80
415 ? $_[0]{server_name}
416 : "$_[0]{server_name}:$_[0]{server_port}";
259} 417}
260 418
261sub respond { 419sub respond {
262 my $self = shift; 420 my $self = shift;
263 my $path = $self->{path}; 421 my $path = $self->{path};
264 422
265 stat $path 423 if ($self->{name} =~ s%^/internal/([^/]+)%%) {
266 or $self->err(404, "not found"); 424 if ($::internal{$1}) {
267 425 $::internal{$1}->($self);
268 # idiotic netscape sends idiotic headers AGAIN
269 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
270 ? str2time $1 : 0;
271
272 if (-d _ && -r _) {
273 # directory
274 if ($path !~ /\/$/) {
275 # create a redirect to get the trailing "/"
276 my $host = $self->server_hostport;
277 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
278 } else { 426 } else {
279 $ims < (stat _)[9] 427 $self->err(404, "not found");
428 }
429 } else {
430
431 stat $path
432 or $self->err(404, "not found");
433
434 $self->{stat} = [stat _];
435
436 # idiotic netscape sends idiotic headers AGAIN
437 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
438 ? str2time $1 : 0;
439
440 if (-d _ && -r _) {
441 # directory
442 if ($path !~ /\/$/) {
443 # create a redirect to get the trailing "/"
444 # we don't try to avoid the :80
445 $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
446 } else {
447 $ims < $self->{stat}[9]
280 or $self->err(304, "not modified"); 448 or $self->err(304, "not modified");
281 449
282 if ($self->{method} eq "GET") {
283 if (-r "$path/index.html") { 450 if (-r "$path/index.html") {
284 $self->{path} .= "/index.html"; 451 # replace directory "size" by index.html filesize
452 $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7];
285 $self->handle_file; 453 $self->handle_file($queue_index);
286 } else { 454 } else {
287 $self->handle_dir; 455 $self->handle_dir;
288 } 456 }
289 } 457 }
290 }
291 } elsif (-f _ && -r _) { 458 } elsif (-f _ && -r _) {
292 -x _ and $self->err(403, "forbidden"); 459 -x _ and $self->err(403, "forbidden");
293 $self->handle_file; 460 $self->handle_file(-s _ >= $::TRANSFER_SMALL ? $queue_large : $queue_small);
294 } else { 461 } else {
295 $self->err(404, "not found"); 462 $self->err(404, "not found");
463 }
296 } 464 }
297} 465}
298 466
299sub handle_dir { 467sub handle_dir {
300 my $self = shift; 468 my $self = shift;
301 $self->_cgi($::INDEXPROG); 469 my $idx = $self->diridx;
470
471 $self->response(200, "ok",
472 {
473 "Content-Type" => "text/html",
474 "Content-Length" => length $idx,
475 "Last-Modified" => time2str ((stat _)[9]),
476 },
477 $idx);
302} 478}
303 479
304sub handle_file { 480sub handle_file {
305 my $self = shift; 481 my ($self, $queue) = @_;
306 my $length = -s _; 482 my $length = $self->{stat}[7];
307 my $hdr = { 483 my $hdr = {
308 "Last-Modified" => time2str ((stat _)[9]), 484 "Last-Modified" => time2str ((stat _)[9]),
309 }; 485 };
310 486
311 my @code = (200, "ok"); 487 my @code = (200, "ok");
… …
319 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); 495 ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1);
320 } else { 496 } else {
321 ($l, $h) = (0, $length - 1); 497 ($l, $h) = (0, $length - 1);
322 goto ignore; 498 goto ignore;
323 } 499 }
324 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; 500 goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
325 } 501 }
326 $hdr->{"Content-Range"} = "bytes */$length"; 502 $hdr->{"Content-Range"} = "bytes */$length";
503 $hdr->{"Content-Length"} = $length;
327 $self->err(416, "not satisfiable", $hdr); 504 $self->err(416, "not satisfiable", $hdr, "");
328 505
329satisfiable: 506satisfiable:
507 # check for segmented downloads
508 if ($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
330 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 519 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
331 @code = (206, "partial content"); 520 @code = (206, "partial content");
332 $length = $h - $l + 1; 521 $length = $h - $l + 1;
333 522
334ignore: 523ignore:
335 } else { 524 } else {
336 ($l, $h) = (0, $length - 1); 525 ($l, $h) = (0, $length - 1);
337 } 526 }
338 527
339 if ($self->{path} =~ /\.html$/) { 528 $self->{path} =~ /\.([^.]+)$/;
340 $hdr->{"Content-Type"} = "text/html";
341 } else {
342 $hdr->{"Content-Type"} = "application/octet-stream"; 529 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
343 }
344
345 $hdr->{"Content-Length"} = $length; 530 $hdr->{"Content-Length"} = $length;
346 531
347 $self->print_response(@code, $hdr, ""); 532 $self->response(@code, $hdr, "");
348 533
349 if ($self->{method} eq "GET") { 534 if ($self->{method} eq "GET") {
535 $self->{time} = $::NOW;
536
537 my $current = $Coro::current;
538
350 my ($fh, $buf); 539 my ($fh, $buf, $r);
540
351 open $fh, "<", $self->{path} 541 open $fh, "<", $self->{path}
352 or die "$self->{path}: late open failure ($!)"; 542 or die "$self->{path}: late open failure ($!)";
353 543
354 if ($l) {
355 sysseek $fh, $l, 0
356 or die "$self->{path}: cannot seek to $l ($!)";
357 }
358
359 $h -= $l - 1; 544 $h -= $l - 1;
360 545
546 if (0) { # !AIO
547 if ($l) {
548 sysseek $fh, $l, 0;
549 }
550 }
551
552 my $transfer = $queue->start_transfer;
553 my $locked;
554 my $bufsize = $::WAIT_BUFSIZE; # initial buffer size
555
361 while ($h > 0) { 556 while ($h > 0) {
362 $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; 557 unless ($locked) {
363 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
364 or last; 577 or last;
578 $::written += $w;
579 $self->{written} += $w;
580 $l += $r;
365 } 581 }
366 }
367 582
368 close $fh; 583 close $fh;
584 }
369} 585}
370 586
3711; 5871;

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