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Comparing AnyEvent-HTTP/HTTP.pm (file contents):
Revision 1.16 by root, Fri Jun 6 12:57:48 2008 UTC vs.
Revision 1.35 by root, Thu Oct 30 03:47:01 2008 UTC

… …
3AnyEvent::HTTP - simple but non-blocking HTTP/HTTPS client 3AnyEvent::HTTP - simple but non-blocking HTTP/HTTPS client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use AnyEvent::HTTP; 7 use AnyEvent::HTTP;
8
9 http_get "http://www.nethype.de/", sub { print $_[1] };
10
11 # ... do something else here
8 12
9=head1 DESCRIPTION 13=head1 DESCRIPTION
10 14
11This module is an L<AnyEvent> user, you need to make sure that you use and 15This module is an L<AnyEvent> user, you need to make sure that you use and
12run a supported event loop. 16run a supported event loop.
… …
44use AnyEvent::Socket (); 48use AnyEvent::Socket ();
45use AnyEvent::Handle (); 49use AnyEvent::Handle ();
46 50
47use base Exporter::; 51use base Exporter::;
48 52
49our $VERSION = '1.01'; 53our $VERSION = '1.1';
50 54
51our @EXPORT = qw(http_get http_request); 55our @EXPORT = qw(http_get http_post http_head http_request);
52 56
53our $USERAGENT = "Mozilla/5.0 (compatible; AnyEvent::HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)"; 57our $USERAGENT = "Mozilla/5.0 (compatible; AnyEvent::HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)";
54our $MAX_RECURSE = 10; 58our $MAX_RECURSE = 10;
55our $MAX_PERSISTENT = 8; 59our $MAX_PERSISTENT = 8;
56our $PERSISTENT_TIMEOUT = 2; 60our $PERSISTENT_TIMEOUT = 2;
… …
67my %CO_SLOT; # number of open connections, and wait queue, per host 71my %CO_SLOT; # number of open connections, and wait queue, per host
68 72
69=item http_get $url, key => value..., $cb->($data, $headers) 73=item http_get $url, key => value..., $cb->($data, $headers)
70 74
71Executes an HTTP-GET request. See the http_request function for details on 75Executes an HTTP-GET request. See the http_request function for details on
72additional parameters. 76additional parameters and the return value.
73 77
74=item http_head $url, key => value..., $cb->($data, $headers) 78=item http_head $url, key => value..., $cb->($data, $headers)
75 79
76Executes an HTTP-HEAD request. See the http_request function for details on 80Executes an HTTP-HEAD request. See the http_request function for details
77additional parameters. 81on additional parameters and the return value.
78 82
79=item http_post $url, $body, key => value..., $cb->($data, $headers) 83=item http_post $url, $body, key => value..., $cb->($data, $headers)
80 84
81Executes an HTTP-POST request with a request body of C<$bod>. See the 85Executes an HTTP-POST request with a request body of C<$body>. See the
82http_request function for details on additional parameters. 86http_request function for details on additional parameters and the return
87value.
83 88
84=item http_request $method => $url, key => value..., $cb->($data, $headers) 89=item http_request $method => $url, key => value..., $cb->($data, $headers)
85 90
86Executes a HTTP request of type C<$method> (e.g. C<GET>, C<POST>). The URL 91Executes a HTTP request of type C<$method> (e.g. C<GET>, C<POST>). The URL
87must be an absolute http or https URL. 92must be an absolute http or https URL.
93
94When called in void context, nothing is returned. In other contexts,
95C<http_request> returns a "cancellation guard" - you have to keep the
96object at least alive until the callback get called. If the object gets
97destroyed before the callbakc is called, the request will be cancelled.
88 98
89The callback will be called with the response data as first argument 99The callback will be called with the response data as first argument
90(or C<undef> if it wasn't available due to errors), and a hash-ref with 100(or C<undef> if it wasn't available due to errors), and a hash-ref with
91response headers as second argument. 101response headers as second argument.
92 102
93All the headers in that hash are lowercased. In addition to the response 103All the headers in that hash are lowercased. In addition to the response
94headers, the three "pseudo-headers" C<HTTPVersion>, C<Status> and 104headers, the "pseudo-headers" C<HTTPVersion>, C<Status> and C<Reason>
95C<Reason> contain the three parts of the HTTP Status-Line of the same 105contain the three parts of the HTTP Status-Line of the same name. The
106pseudo-header C<URL> contains the original URL (which can differ from the
107requested URL when following redirects).
108
96name. If the server sends a header multiple lines, then their contents 109If the server sends a header multiple times, then their contents will be
97will be joined together with C<\x00>. 110joined together with a comma (C<,>), as per the HTTP spec.
98 111
99If an internal error occurs, such as not being able to resolve a hostname, 112If an internal error occurs, such as not being able to resolve a hostname,
100then C<$data> will be C<undef>, C<< $headers->{Status} >> will be C<599> 113then C<$data> will be C<undef>, C<< $headers->{Status} >> will be C<599>
101and the C<Reason> pseudo-header will contain an error message. 114and the C<Reason> pseudo-header will contain an error message.
102 115
… …
181 my ($body, $hdr) = @_; 194 my ($body, $hdr) = @_;
182 use Data::Dumper; 195 use Data::Dumper;
183 print Dumper $hdr; 196 print Dumper $hdr;
184 } 197 }
185 ; 198 ;
199
200Example: make another simple HTTP GET request, but immediately try to
201cancel it.
202
203 my $request = http_request GET => "http://www.nethype.de/", sub {
204 my ($body, $hdr) = @_;
205 print "$body\n";
206 };
207
208 undef $request;
186 209
187=cut 210=cut
188 211
189sub _slot_schedule; 212sub _slot_schedule;
190sub _slot_schedule($) { 213sub _slot_schedule($) {
… …
214 push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; 237 push @{ $CO_SLOT{$_[0]}[1] }, $_[1];
215 238
216 _slot_schedule $_[0]; 239 _slot_schedule $_[0];
217} 240}
218 241
242our $qr_nl = qr<\015?\012>;
243our $qr_nlnl = qr<\015?\012\015?\012>;
244
219sub http_request($$@) { 245sub http_request($$@) {
220 my $cb = pop; 246 my $cb = pop;
221 my ($method, $url, %arg) = @_; 247 my ($method, $url, %arg) = @_;
222 248
223 my %hdr; 249 my %hdr;
… …
228 while (my ($k, $v) = each %$hdr) { 254 while (my ($k, $v) = each %$hdr) {
229 $hdr{lc $k} = $v; 255 $hdr{lc $k} = $v;
230 } 256 }
231 } 257 }
232 258
233 my $recurse = exists $arg{recurse} ? $arg{recurse} : $MAX_RECURSE; 259 my $recurse = exists $arg{recurse} ? delete $arg{recurse} : $MAX_RECURSE;
234 260
235 return $cb->(undef, { Status => 599, Reason => "recursion limit reached" }) 261 return $cb->(undef, { Status => 599, Reason => "recursion limit reached", URL => $url })
236 if $recurse < 0; 262 if $recurse < 0;
237 263
238 my $proxy = $arg{proxy} || $PROXY; 264 my $proxy = $arg{proxy} || $PROXY;
239 my $timeout = $arg{timeout} || $TIMEOUT; 265 my $timeout = $arg{timeout} || $TIMEOUT;
240 266
241 $hdr{"user-agent"} ||= $USERAGENT; 267 $hdr{"user-agent"} ||= $USERAGENT;
242 268
243 my ($scheme, $authority, $upath, $query, $fragment) = 269 my ($uscheme, $uauthority, $upath, $query, $fragment) =
244 $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; 270 $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;
245 271
246 $scheme = lc $scheme; 272 $uscheme = lc $uscheme;
247 273
248 my $uport = $scheme eq "http" ? 80 274 my $uport = $uscheme eq "http" ? 80
249 : $scheme eq "https" ? 443 275 : $uscheme eq "https" ? 443
250 : return $cb->(undef, { Status => 599, Reason => "only http and https URL schemes supported" }); 276 : return $cb->(undef, { Status => 599, Reason => "only http and https URL schemes supported", URL => $url });
251 277
252 $hdr{referer} ||= "$scheme://$authority$upath"; # leave out fragment and query string, just a heuristic 278 $hdr{referer} ||= "$uscheme://$uauthority$upath"; # leave out fragment and query string, just a heuristic
253 279
254 $authority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x 280 $uauthority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x
255 or return $cb->(undef, { Status => 599, Reason => "unparsable URL" }); 281 or return $cb->(undef, { Status => 599, Reason => "unparsable URL", URL => $url });
256 282
257 my $uhost = $1; 283 my $uhost = $1;
258 $uport = $2 if defined $2; 284 $uport = $2 if defined $2;
259 285
260 $uhost =~ s/^\[(.*)\]$/$1/; 286 $uhost =~ s/^\[(.*)\]$/$1/;
… …
262 288
263 $upath =~ s%^/?%/%; 289 $upath =~ s%^/?%/%;
264 290
265 # cookie processing 291 # cookie processing
266 if (my $jar = $arg{cookie_jar}) { 292 if (my $jar = $arg{cookie_jar}) {
267 %$jar = () if $jar->{version} < 1; 293 %$jar = () if $jar->{version} != 1;
268 294
269 my @cookie; 295 my @cookie;
270 296
271 while (my ($chost, $v) = each %$jar) { 297 while (my ($chost, $v) = each %$jar) {
298 if ($chost =~ /^\./) {
272 next unless $chost eq substr $uhost, -length $chost; 299 next unless $chost eq substr $uhost, -length $chost;
273 next unless $chost =~ /^\./; 300 } elsif ($chost =~ /\./) {
301 next unless $chost eq $uhost;
302 } else {
303 next;
304 }
274 305
275 while (my ($cpath, $v) = each %$v) { 306 while (my ($cpath, $v) = each %$v) {
276 next unless $cpath eq substr $upath, 0, length $cpath; 307 next unless $cpath eq substr $upath, 0, length $cpath;
277 308
278 while (my ($k, $v) = each %$v) { 309 while (my ($k, $v) = each %$v) {
279 next if $scheme ne "https" && exists $v->{secure}; 310 next if $uscheme ne "https" && exists $v->{secure};
311 my $value = $v->{value};
312 $value =~ s/([\\"])/\\$1/g;
280 push @cookie, "$k=$v->{value}"; 313 push @cookie, "$k=\"$value\"";
281 } 314 }
282 } 315 }
283 } 316 }
284 317
285 $hdr{cookie} = join "; ", @cookie 318 $hdr{cookie} = join "; ", @cookie
286 if @cookie; 319 if @cookie;
287 } 320 }
288 321
289 my ($rhost, $rport, $rpath); # request host, port, path 322 my ($rhost, $rport, $rscheme, $rpath); # request host, port, path
290 323
291 if ($proxy) { 324 if ($proxy) {
292 ($rhost, $rport, $scheme) = @$proxy; 325 ($rhost, $rport, $rscheme, $rpath) = (@$proxy, $url);
293 $rpath = $url; 326
327 # don't support https requests over https-proxy transport,
328 # can't be done with tls as spec'ed.
329 $rscheme = "http" if $uscheme eq "https" && $rscheme eq "https";
294 } else { 330 } else {
295 ($rhost, $rport, $rpath) = ($uhost, $uport, $upath); 331 ($rhost, $rport, $rscheme, $rpath) = ($uhost, $uport, $uscheme, $upath);
296 $hdr{host} = $uhost;
297 } 332 }
298 333
334 $hdr{host} = $uhost;
299 $hdr{"content-length"} = length $arg{body}; 335 $hdr{"content-length"} = length $arg{body};
300 336
301 my %state = (connect_guard => 1); 337 my %state = (connect_guard => 1);
302 338
303 _get_slot $uhost, sub { 339 _get_slot $uhost, sub {
… …
305 341
306 return unless $state{connect_guard}; 342 return unless $state{connect_guard};
307 343
308 $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub { 344 $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub {
309 $state{fh} = shift 345 $state{fh} = shift
310 or return $cb->(undef, { Status => 599, Reason => "$!" }); 346 or return $cb->(undef, { Status => 599, Reason => "$!", URL => $url });
347 pop; # free memory, save a tree
311 348
312 delete $state{connect_guard}; # reduce memory usage, save a tree 349 return unless delete $state{connect_guard};
313 350
314 # get handle 351 # get handle
315 $state{handle} = new AnyEvent::Handle 352 $state{handle} = new AnyEvent::Handle
316 fh => $state{fh}, 353 fh => $state{fh},
317 ($scheme eq "https" ? (tls => "connect") : ()); 354 timeout => $timeout;
318 355
319 # limit the number of persistent connections 356 # limit the number of persistent connections
357 # keepalive not yet supported
320 if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) { 358 if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) {
321 ++$KA_COUNT{$_[1]}; 359 ++$KA_COUNT{$_[1]};
322 $state{handle}{ka_count_guard} = AnyEvent::Util::guard { --$KA_COUNT{$_[1]} }; 360 $state{handle}{ka_count_guard} = AnyEvent::Util::guard {
361 --$KA_COUNT{$_[1]}
362 };
323 $hdr{connection} = "keep-alive"; 363 $hdr{connection} = "keep-alive";
324 delete $hdr{connection}; # keep-alive not yet supported
325 } else { 364 } else {
326 delete $hdr{connection}; 365 delete $hdr{connection};
327 } 366 }
328 367
329 # (re-)configure handle 368 # (re-)configure handle
330 $state{handle}->timeout ($timeout);
331 $state{handle}->on_error (sub { 369 $state{handle}->on_error (sub {
332 my $errno = "$!"; 370 my $errno = "$!";
333 %state = (); 371 %state = ();
334 $cb->(undef, { Status => 599, Reason => $errno }); 372 $cb->(undef, { Status => 599, Reason => $errno, URL => $url });
335 }); 373 });
336 $state{handle}->on_eof (sub { 374 $state{handle}->on_eof (sub {
337 %state = (); 375 %state = ();
338 $cb->(undef, { Status => 599, Reason => "unexpected end-of-file" }); 376 $cb->(undef, { Status => 599, Reason => "unexpected end-of-file", URL => $url });
339 }); 377 });
340 378
379 $state{handle}->starttls ("connect") if $rscheme eq "https";
380
381 # handle actual, non-tunneled, request
382 my $handle_actual_request = sub {
383 $state{handle}->starttls ("connect") if $uscheme eq "https" && !exists $state{handle}{tls};
384
341 # send request 385 # send request
342 $state{handle}->push_write ( 386 $state{handle}->push_write (
343 "$method $rpath HTTP/1.0\015\012" 387 "$method $rpath HTTP/1.0\015\012"
344 . (join "", map "$_: $hdr{$_}\015\012", keys %hdr) 388 . (join "", map "\u$_: $hdr{$_}\015\012", keys %hdr)
345 . "\015\012" 389 . "\015\012"
346 . (delete $arg{body}) 390 . (delete $arg{body})
347 );
348
349 %hdr = (); # reduce memory usage, save a kitten
350
351 # status line
352 $state{handle}->push_read (line => qr/\015?\012/, sub {
353 $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) \s+ ([^\015\012]+)/ix
354 or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid server response ($_[1])" }));
355
356 my %hdr = ( # response headers
357 HTTPVersion => "\x00$1",
358 Status => "\x00$2",
359 Reason => "\x00$3",
360 ); 391 );
361 392
393 %hdr = (); # reduce memory usage, save a kitten
394
395 # status line
396 $state{handle}->push_read (line => $qr_nl, sub {
397 $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix
398 or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid server response ($_[1])", URL => $url }));
399
400 my %hdr = ( # response headers
401 HTTPVersion => ",$1",
402 Status => ",$2",
403 Reason => ",$3",
404 URL => ",$url"
405 );
406
362 # headers, could be optimized a bit 407 # headers, could be optimized a bit
363 $state{handle}->unshift_read (line => qr/\015?\012\015?\012/, sub { 408 $state{handle}->unshift_read (line => $qr_nlnl, sub {
364 for ("$_[1]\012") { 409 for ("$_[1]\012") {
410 y/\015//d; # weed out any \015, as they show up in the weirdest of places.
411
365 # we support spaces in field names, as lotus domino 412 # we support spaces in field names, as lotus domino
366 # creates them. 413 # creates them (actually spaces around seperators
414 # are strictly allowed in http, they are a security issue).
367 $hdr{lc $1} .= "\x00$2" 415 $hdr{lc $1} .= ",$2"
368 while /\G 416 while /\G
369 ([^:\000-\037]+): 417 ([^:\000-\037]+):
370 [\011\040]* 418 [\011\040]*
371 ((?: [^\015\012]+ | \015?\012[\011\040] )*) 419 ((?: [^\012]+ | \012[\011\040] )*)
372 \015?\012 420 \012
373 /gxc; 421 /gxc;
374 422
375 /\G$/ 423 /\G$/
376 or return (%state = (), $cb->(undef, { Status => 599, Reason => "garbled response headers" })); 424 or return (%state = (), $cb->(undef, { Status => 599, Reason => "garbled response headers", URL => $url }));
377 } 425 }
378 426
379 substr $_, 0, 1, "" 427 substr $_, 0, 1, ""
380 for values %hdr; 428 for values %hdr;
381 429
382 my $finish = sub { 430 my $finish = sub {
431 $state{handle}->destroy;
383 %state = (); 432 %state = ();
384 433
385 # set-cookie processing 434 # set-cookie processing
386 if ($arg{cookie_jar} && exists $hdr{"set-cookie"}) { 435 if ($arg{cookie_jar}) {
387 for (split /\x00/, $hdr{"set-cookie"}) { 436 for ($hdr{"set-cookie"}) {
388 my ($cookie, @arg) = split /;\s*/; 437 # parse NAME=VALUE
389 my ($name, $value) = split /=/, $cookie, 2; 438 my @kv;
390 my %kv = (value => $value, map { split /=/, $_, 2 } @arg); 439
391 440 while (/\G\s* ([^=;,[:space:]]+) \s*=\s* (?: "((?:[^\\"]+|\\.)*)" | ([^=;,[:space:]]*) )/gcxs) {
392 my $cdom = (delete $kv{domain}) || $uhost; 441 my $name = $1;
442 my $value = $3;
443
444 unless ($value) {
445 $value = $2;
446 $value =~ s/\\(.)/$1/gs;
447 }
448
449 push @kv, $name => $value;
450
451 last unless /\G\s*;/gc;
452 }
453
454 last unless @kv;
455
456 my $name = shift @kv;
457 my %kv = (value => shift @kv, @kv);
458
459 my $cdom;
393 my $cpath = (delete $kv{path}) || "/"; 460 my $cpath = (delete $kv{path}) || "/";
394 461
462 if (exists $kv{domain}) {
463 $cdom = delete $kv{domain};
464
395 $cdom =~ s/^.?/./; # make sure it starts with a "." 465 $cdom =~ s/^\.?/./; # make sure it starts with a "."
396 466
397 next if $cdom =~ /\.$/; 467 next if $cdom =~ /\.$/;
398 468
399 # this is not rfc-like and not netscape-like. go figure. 469 # this is not rfc-like and not netscape-like. go figure.
400 my $ndots = $cdom =~ y/.//; 470 my $ndots = $cdom =~ y/.//;
401 next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2); 471 next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2);
402 472 } else {
473 $cdom = $uhost;
474 }
475
403 # store it 476 # store it
404 $arg{cookie_jar}{version} = 1; 477 $arg{cookie_jar}{version} = 1;
405 $arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv; 478 $arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv;
479
480 redo if /\G\s*,/gc;
481 }
482 }
483
484 # microsoft and other shitheads don't give a shit for following standards,
485 # try to support some common forms of broken Location headers.
486 if ($_[1]{location} !~ /^(?: $ | [^:\/?\#]+ : )/x) {
487 $_[1]{location} =~ s/^\.\/+//;
488
489 my $url = "$rscheme://$uhost:$uport";
490
491 unless ($_[1]{location} =~ s/^\///) {
492 $url .= $upath;
493 $url =~ s/\/[^\/]*$//;
494 }
495
496 $_[1]{location} = "$url/$_[1]{location}";
497 }
498
499 if ($_[1]{Status} =~ /^30[12]$/ && $recurse && $method ne "POST") {
500 # apparently, mozilla et al. just change POST to GET here
501 # more research is needed before we do the same
502 http_request ($method, $_[1]{location}, %arg, recurse => $recurse - 1, $cb);
503 } elsif ($_[1]{Status} == 303 && $recurse) {
504 # even http/1.1 is unclear on how to mutate the method
505 $method = "GET" unless $method eq "HEAD";
506 http_request ($method => $_[1]{location}, %arg, recurse => $recurse - 1, $cb);
507 } elsif ($_[1]{Status} == 307 && $recurse && $method =~ /^(?:GET|HEAD)$/) {
508 http_request ($method => $_[1]{location}, %arg, recurse => $recurse - 1, $cb);
509 } else {
510 $cb->($_[0], $_[1]);
511 }
512 };
513
514 if ($hdr{Status} =~ /^(?:1..|204|304)$/ or $method eq "HEAD") {
515 $finish->(undef, \%hdr);
516 } else {
517 if (exists $hdr{"content-length"}) {
518 $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub {
519 # could cache persistent connection now
520 if ($hdr{connection} =~ /\bkeep-alive\b/i) {
521 # but we don't, due to misdesigns, this is annoyingly complex
522 };
523
524 $finish->($_[1], \%hdr);
525 });
526 } else {
527 # too bad, need to read until we get an error or EOF,
528 # no way to detect winged data.
529 $_[0]->on_error (sub {
530 $finish->($_[0]{rbuf}, \%hdr);
531 });
532 $_[0]->on_eof (undef);
533 $_[0]->on_read (sub { });
406 } 534 }
407 } 535 }
408
409 if ($_[1]{Status} =~ /^30[12]$/ && $recurse) {
410 # microsoft and other assholes don't give a shit for following standards,
411 # try to support a common form of broken Location header.
412 $_[1]{location} =~ s%^/%$scheme://$uhost:$uport/%;
413
414 http_request ($method, $_[1]{location}, %arg, recurse => $recurse - 1, $cb);
415 } else {
416 $cb->($_[0], $_[1]);
417 }
418 }; 536 });
537 });
538 };
419 539
420 if ($hdr{Status} =~ /^(?:1..|204|304)$/ or $method eq "HEAD") { 540 # now handle proxy-CONNECT method
421 $finish->(undef, \%hdr); 541 if ($proxy && $uscheme eq "https") {
542 # oh dear, we have to wrap it into a connect request
543
544 # maybe re-use $uauthority with patched port?
545 $state{handle}->push_write ("CONNECT $uhost:$uport HTTP/1.0\015\012Host: $uhost\015\012\015\012");
546 $state{handle}->push_read (line => $qr_nlnl, sub {
547 $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix
548 or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid proxy connect response ($_[1])", URL => $url }));
549
550 if ($2 == 200) {
551 $rpath = $upath;
552 &$handle_actual_request;
422 } else { 553 } else {
423 if (exists $hdr{"content-length"}) { 554 %state = ();
424 $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub { 555 $cb->(undef, { Status => $2, Reason => $3, URL => $url });
425 # could cache persistent connection now
426 if ($hdr{connection} =~ /\bkeep-alive\b/i) {
427 # but we don't, due to misdesigns, this is annoyingly complex
428 };
429
430 $finish->($_[1], \%hdr);
431 });
432 } else {
433 # too bad, need to read until we get an error or EOF,
434 # no way to detect winged data.
435 $_[0]->on_error (sub {
436 $finish->($_[0]{rbuf}, \%hdr);
437 });
438 $_[0]->on_eof (undef);
439 $_[0]->on_read (sub { });
440 }
441 } 556 }
442 }); 557 });
558 } else {
559 &$handle_actual_request;
443 }); 560 }
561
444 }, sub { 562 }, sub {
445 $timeout 563 $timeout
446 }; 564 };
447 }; 565 };
448 566
… …
458 unshift @_, "HEAD"; 576 unshift @_, "HEAD";
459 &http_request 577 &http_request
460} 578}
461 579
462sub http_post($$@) { 580sub http_post($$@) {
581 my $url = shift;
463 unshift @_, "POST", "body"; 582 unshift @_, "POST", $url, "body";
464 &http_request 583 &http_request
465} 584}
466 585
467=back 586=back
468 587
… …
517 636
518L<AnyEvent>. 637L<AnyEvent>.
519 638
520=head1 AUTHOR 639=head1 AUTHOR
521 640
522 Marc Lehmann <schmorp@schmorp.de> 641 Marc Lehmann <schmorp@schmorp.de>
523 http://home.schmorp.de/ 642 http://home.schmorp.de/
524 643
525=cut 644=cut
526 645
5271 6461
528 647

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