[ViewVC] Diff of: cvs/AnyEvent/lib/AnyEvent/Handle.pm

Comparing AnyEvent/lib/AnyEvent/Handle.pm (file contents):
Revision 1.86 by root, Thu Aug 21 20:41:16 2008 UTC vs.
Revision 1.93 by root, Wed Oct 1 14:49:23 2008 UTC

…		…
14		14
15	AnyEvent::Handle - non-blocking I/O on file handles via AnyEvent	15	AnyEvent::Handle - non-blocking I/O on file handles via AnyEvent
16		16
17	=cut	17	=cut
18		18
19	our $VERSION = 4.232;	19	our $VERSION = 4.3;
20		20
21	=head1 SYNOPSIS	21	=head1 SYNOPSIS
22		22
23	use AnyEvent;	23	use AnyEvent;
24	use AnyEvent::Handle;	24	use AnyEvent::Handle;
…		…
59	treatment of characters applies to this module as well.	59	treatment of characters applies to this module as well.
60		60
61	All callbacks will be invoked with the handle object as their first	61	All callbacks will be invoked with the handle object as their first
62	argument.	62	argument.
63		63
		64	=head2 SIGPIPE is not handled by this module
		65
		66	SIGPIPE is not handled by this module, so one of the practical
		67	requirements of using it is to ignore SIGPIPE (C<$SIG{PIPE} =
		68	'IGNORE'>). At least, this is highly recommend in a networked program: If
		69	you use AnyEvent::Handle in a filter program (like sort), exiting on
		70	SIGPIPE is probably the right thing to do.
		71
64	=head1 METHODS	72	=head1 METHODS
65		73
66	=over 4	74	=over 4
67		75
68	=item B<new (%args)>	76	=item B<new (%args)>
…		…
103	occured, such as not being able to resolve the hostname, failure to	111	occured, such as not being able to resolve the hostname, failure to
104	connect or a read error.	112	connect or a read error.
105		113
106	Some errors are fatal (which is indicated by C<$fatal> being true). On	114	Some errors are fatal (which is indicated by C<$fatal> being true). On
107	fatal errors the handle object will be shut down and will not be usable	115	fatal errors the handle object will be shut down and will not be usable
108	(but you are free to look at the current C< ->rbuf >). Examples of fatal	116	(but you are free to look at the current C<< ->rbuf >>). Examples of fatal
109	errors are an EOF condition with active (but unsatisifable) read watchers	117	errors are an EOF condition with active (but unsatisifable) read watchers
110	(C<EPIPE>) or I/O errors.	118	(C<EPIPE>) or I/O errors.
111		119
112	Non-fatal errors can be retried by simply returning, but it is recommended	120	Non-fatal errors can be retried by simply returning, but it is recommended
113	to simply ignore this parameter and instead abondon the handle object	121	to simply ignore this parameter and instead abondon the handle object
…		…
152	=item timeout => $fractional_seconds	160	=item timeout => $fractional_seconds
153		161
154	If non-zero, then this enables an "inactivity" timeout: whenever this many	162	If non-zero, then this enables an "inactivity" timeout: whenever this many
155	seconds pass without a successful read or write on the underlying file	163	seconds pass without a successful read or write on the underlying file
156	handle, the C<on_timeout> callback will be invoked (and if that one is	164	handle, the C<on_timeout> callback will be invoked (and if that one is
157	missing, an C<ETIMEDOUT> error will be raised).	165	missing, a non-fatal C<ETIMEDOUT> error will be raised).
158		166
159	Note that timeout processing is also active when you currently do not have	167	Note that timeout processing is also active when you currently do not have
160	any outstanding read or write requests: If you plan to keep the connection	168	any outstanding read or write requests: If you plan to keep the connection
161	idle then you should disable the timout temporarily or ignore the timeout	169	idle then you should disable the timout temporarily or ignore the timeout
162	in the C<on_timeout> callback.	170	in the C<on_timeout> callback, in which case AnyEvent::Handle will simply
		171	restart the timeout.
163		172
164	Zero (the default) disables this timeout.	173	Zero (the default) disables this timeout.
165		174
166	=item on_timeout => $cb->($handle)	175	=item on_timeout => $cb->($handle)
167		176
…		…
171		180
172	=item rbuf_max => <bytes>	181	=item rbuf_max => <bytes>
173		182
174	If defined, then a fatal error will be raised (with C<$!> set to C<ENOSPC>)	183	If defined, then a fatal error will be raised (with C<$!> set to C<ENOSPC>)
175	when the read buffer ever (strictly) exceeds this size. This is useful to	184	when the read buffer ever (strictly) exceeds this size. This is useful to
176	avoid denial-of-service attacks.	185	avoid some forms of denial-of-service attacks.
177		186
178	For example, a server accepting connections from untrusted sources should	187	For example, a server accepting connections from untrusted sources should
179	be configured to accept only so-and-so much data that it cannot act on	188	be configured to accept only so-and-so much data that it cannot act on
180	(for example, when expecting a line, an attacker could send an unlimited	189	(for example, when expecting a line, an attacker could send an unlimited
181	amount of data without a callback ever being called as long as the line	190	amount of data without a callback ever being called as long as the line
182	isn't finished).	191	isn't finished).
183		192
184	=item autocork => <boolean>	193	=item autocork => <boolean>
185		194
186	When disabled (the default), then C<push_write> will try to immediately	195	When disabled (the default), then C<push_write> will try to immediately
187	write the data to the handle if possible. This avoids having to register	196	write the data to the handle, if possible. This avoids having to register
188	a write watcher and wait for the next event loop iteration, but can be	197	a write watcher and wait for the next event loop iteration, but can
189	inefficient if you write multiple small chunks (this disadvantage is	198	be inefficient if you write multiple small chunks (on the wire, this
190	usually avoided by your kernel's nagle algorithm, see C<low_delay>).	199	disadvantage is usually avoided by your kernel's nagle algorithm, see
		200	C<no_delay>, but this option can save costly syscalls).
191		201
192	When enabled, then writes will always be queued till the next event loop	202	When enabled, then writes will always be queued till the next event loop
193	iteration. This is efficient when you do many small writes per iteration,	203	iteration. This is efficient when you do many small writes per iteration,
194	but less efficient when you do a single write only.	204	but less efficient when you do a single write only per iteration (or when
		205	the write buffer often is full). It also increases write latency.
195		206
196	=item no_delay => <boolean>	207	=item no_delay => <boolean>
197		208
198	When doing small writes on sockets, your operating system kernel might	209	When doing small writes on sockets, your operating system kernel might
199	wait a bit for more data before actually sending it out. This is called	210	wait a bit for more data before actually sending it out. This is called
200	the Nagle algorithm, and usually it is beneficial.	211	the Nagle algorithm, and usually it is beneficial.
201		212
202	In some situations you want as low a delay as possible, which cna be	213	In some situations you want as low a delay as possible, which can be
203	accomplishd by setting this option to true.	214	accomplishd by setting this option to a true value.
204		215
205	The default is your opertaing system's default behaviour, this option	216	The default is your opertaing system's default behaviour (most likely
206	explicitly enables or disables it, if possible.	217	enabled), this option explicitly enables or disables it, if possible.
207		218
208	=item read_size => <bytes>	219	=item read_size => <bytes>
209		220
210	The default read block size (the amount of bytes this module will try to read	221	The default read block size (the amount of bytes this module will
211	during each (loop iteration). Default: C<8192>.	222	try to read during each loop iteration, which affects memory
		223	requirements). Default: C<8192>.
212		224
213	=item low_water_mark => <bytes>	225	=item low_water_mark => <bytes>
214		226
215	Sets the amount of bytes (default: C<0>) that make up an "empty" write	227	Sets the amount of bytes (default: C<0>) that make up an "empty" write
216	buffer: If the write reaches this size or gets even samller it is	228	buffer: If the write reaches this size or gets even samller it is
217	considered empty.	229	considered empty.
218		230
		231	Sometimes it can be beneficial (for performance reasons) to add data to
		232	the write buffer before it is fully drained, but this is a rare case, as
		233	the operating system kernel usually buffers data as well, so the default
		234	is good in almost all cases.
		235
219	=item linger => <seconds>	236	=item linger => <seconds>
220		237
221	If non-zero (default: C<3600>), then the destructor of the	238	If non-zero (default: C<3600>), then the destructor of the
222	AnyEvent::Handle object will check wether there is still outstanding write	239	AnyEvent::Handle object will check whether there is still outstanding
223	data and will install a watcher that will write out this data. No errors	240	write data and will install a watcher that will write this data to the
224	will be reported (this mostly matches how the operating system treats	241	socket. No errors will be reported (this mostly matches how the operating
225	outstanding data at socket close time).	242	system treats outstanding data at socket close time).
226		243
227	This will not work for partial TLS data that could not yet been	244	This will not work for partial TLS data that could not be encoded
228	encoded. This data will be lost.	245	yet. This data will be lost. Calling the C<stoptls> method in time might
		246	help.
229		247
230	=item tls => "accept" \| "connect" \| Net::SSLeay::SSL object	248	=item tls => "accept" \| "connect" \| Net::SSLeay::SSL object
231		249
232	When this parameter is given, it enables TLS (SSL) mode, that means	250	When this parameter is given, it enables TLS (SSL) mode, that means
233	AnyEvent will start a TLS handshake and will transparently encrypt/decrypt	251	AnyEvent will start a TLS handshake as soon as the conenction has been
234	data.	252	established and will transparently encrypt/decrypt data afterwards.
235		253
236	TLS mode requires Net::SSLeay to be installed (it will be loaded	254	TLS mode requires Net::SSLeay to be installed (it will be loaded
237	automatically when you try to create a TLS handle).	255	automatically when you try to create a TLS handle): this module doesn't
		256	have a dependency on that module, so if your module requires it, you have
		257	to add the dependency yourself.
238		258
239	Unlike TCP, TLS has a server and client side: for the TLS server side, use	259	Unlike TCP, TLS has a server and client side: for the TLS server side, use
240	C<accept>, and for the TLS client side of a connection, use C<connect>	260	C<accept>, and for the TLS client side of a connection, use C<connect>
241	mode.	261	mode.
242		262
243	You can also provide your own TLS connection object, but you have	263	You can also provide your own TLS connection object, but you have
244	to make sure that you call either C<Net::SSLeay::set_connect_state>	264	to make sure that you call either C<Net::SSLeay::set_connect_state>
245	or C<Net::SSLeay::set_accept_state> on it before you pass it to	265	or C<Net::SSLeay::set_accept_state> on it before you pass it to
246	AnyEvent::Handle.	266	AnyEvent::Handle.
247		267
248	See the C<starttls> method for when need to start TLS negotiation later.	268	See the C<< ->starttls >> method for when need to start TLS negotiation later.
249		269
250	=item tls_ctx => $ssl_ctx	270	=item tls_ctx => $ssl_ctx
251		271
252	Use the given Net::SSLeay::CTX object to create the new TLS connection	272	Use the given C<Net::SSLeay::CTX> object to create the new TLS connection
253	(unless a connection object was specified directly). If this parameter is	273	(unless a connection object was specified directly). If this parameter is
254	missing, then AnyEvent::Handle will use C<AnyEvent::Handle::TLS_CTX>.	274	missing, then AnyEvent::Handle will use C<AnyEvent::Handle::TLS_CTX>.
255		275
256	=item json => JSON or JSON::XS object	276	=item json => JSON or JSON::XS object
257		277
…		…
261	suitable one (on demand), which will write and expect UTF-8 encoded JSON	281	suitable one (on demand), which will write and expect UTF-8 encoded JSON
262	texts.	282	texts.
263		283
264	Note that you are responsible to depend on the JSON module if you want to	284	Note that you are responsible to depend on the JSON module if you want to
265	use this functionality, as AnyEvent does not have a dependency itself.	285	use this functionality, as AnyEvent does not have a dependency itself.
266
267	=item filter_r => $cb
268
269	=item filter_w => $cb
270
271	These exist, but are undocumented at this time.
272		286
273	=back	287	=back
274		288
275	=cut	289	=cut
276		290
…		…
306	delete $self->{_tw};	320	delete $self->{_tw};
307	delete $self->{_rw};	321	delete $self->{_rw};
308	delete $self->{_ww};	322	delete $self->{_ww};
309	delete $self->{fh};	323	delete $self->{fh};
310		324
311	$self->stoptls;	325	&_freetls;
312		326
313	delete $self->{on_read};	327	delete $self->{on_read};
314	delete $self->{_queue};	328	delete $self->{_queue};
315	}	329	}
316		330
…		…
329	}	343	}
330	}	344	}
331		345
332	=item $fh = $handle->fh	346	=item $fh = $handle->fh
333		347
334	This method returns the file handle of the L<AnyEvent::Handle> object.	348	This method returns the file handle used to create the L<AnyEvent::Handle> object.
335		349
336	=cut	350	=cut
337		351
338	sub fh { $_[0]{fh} }	352	sub fh { $_[0]{fh} }
339		353
…		…
357	$_[0]{on_eof} = $_[1];	371	$_[0]{on_eof} = $_[1];
358	}	372	}
359		373
360	=item $handle->on_timeout ($cb)	374	=item $handle->on_timeout ($cb)
361		375
362	Replace the current C<on_timeout> callback, or disables the callback	376	Replace the current C<on_timeout> callback, or disables the callback (but
363	(but not the timeout) if C<$cb> = C<undef>. See C<timeout> constructor	377	not the timeout) if C<$cb> = C<undef>. See the C<timeout> constructor
364	argument.	378	argument and method.
365		379
366	=cut	380	=cut
367		381
368	sub on_timeout {	382	sub on_timeout {
369	$_[0]{on_timeout} = $_[1];	383	$_[0]{on_timeout} = $_[1];
…		…
475	my ($self, $cb) = @_;	489	my ($self, $cb) = @_;
476		490
477	$self->{on_drain} = $cb;	491	$self->{on_drain} = $cb;
478		492
479	$cb->($self)	493	$cb->($self)
480	if $cb && $self->{low_water_mark} >= length $self->{wbuf};	494	if $cb && $self->{low_water_mark} >= (length $self->{wbuf}) + (length $self->{_tls_wbuf});
481	}	495	}
482		496
483	=item $handle->push_write ($data)	497	=item $handle->push_write ($data)
484		498
485	Queues the given scalar to be written. You can push as much data as you	499	Queues the given scalar to be written. You can push as much data as you
…		…
502	substr $self->{wbuf}, 0, $len, "";	516	substr $self->{wbuf}, 0, $len, "";
503		517
504	$self->{_activity} = AnyEvent->now;	518	$self->{_activity} = AnyEvent->now;
505		519
506	$self->{on_drain}($self)	520	$self->{on_drain}($self)
507	if $self->{low_water_mark} >= length $self->{wbuf}	521	if $self->{low_water_mark} >= (length $self->{wbuf}) + (length $self->{_tls_wbuf})
508	&& $self->{on_drain};	522	&& $self->{on_drain};
509		523
510	delete $self->{_ww} unless length $self->{wbuf};	524	delete $self->{_ww} unless length $self->{wbuf};
511	} elsif ($! != EAGAIN && $! != EINTR && $! != WSAEWOULDBLOCK) {	525	} elsif ($! != EAGAIN && $! != EINTR && $! != WSAEWOULDBLOCK) {
512	$self->_error ($!, 1);	526	$self->_error ($!, 1);
…		…
536		550
537	@_ = ($WH{$type} or Carp::croak "unsupported type passed to AnyEvent::Handle::push_write")	551	@_ = ($WH{$type} or Carp::croak "unsupported type passed to AnyEvent::Handle::push_write")
538	->($self, @_);	552	->($self, @_);
539	}	553	}
540		554
541	if ($self->{filter_w}) {	555	if ($self->{tls}) {
542	$self->{filter_w}($self, \$_[0]);	556	$self->{_tls_wbuf} .= $_[0];
		557	&_dotls ($self);
543	} else {	558	} else {
544	$self->{wbuf} .= $_[0];	559	$self->{wbuf} .= $_[0];
545	$self->_drain_wbuf;	560	$self->_drain_wbuf;
546	}	561	}
547	}	562	}
…		…
783		798
784	last; # more data might arrive	799	last; # more data might arrive
785	}	800	}
786	} else {	801	} else {
787	# read side becomes idle	802	# read side becomes idle
788	delete $self->{_rw};	803	delete $self->{_rw} unless $self->{tls};
789	last;	804	last;
790	}	805	}
791	}	806	}
792		807
793	if ($self->{_eof}) {	808	if ($self->{_eof}) {
…		…
1251	Note that AnyEvent::Handle will automatically C<start_read> for you when	1266	Note that AnyEvent::Handle will automatically C<start_read> for you when
1252	you change the C<on_read> callback or push/unshift a read callback, and it	1267	you change the C<on_read> callback or push/unshift a read callback, and it
1253	will automatically C<stop_read> for you when neither C<on_read> is set nor	1268	will automatically C<stop_read> for you when neither C<on_read> is set nor
1254	there are any read requests in the queue.	1269	there are any read requests in the queue.
1255		1270
		1271	These methods will have no effect when in TLS mode (as TLS doesn't support
		1272	half-duplex connections).
		1273
1256	=cut	1274	=cut
1257		1275
1258	sub stop_read {	1276	sub stop_read {
1259	my ($self) = @_;	1277	my ($self) = @_;
1260		1278
1261	delete $self->{_rw};	1279	delete $self->{_rw} unless $self->{tls};
1262	}	1280	}
1263		1281
1264	sub start_read {	1282	sub start_read {
1265	my ($self) = @_;	1283	my ($self) = @_;
1266		1284
1267	unless ($self->{_rw} \|\| $self->{_eof}) {	1285	unless ($self->{_rw} \|\| $self->{_eof}) {
1268	Scalar::Util::weaken $self;	1286	Scalar::Util::weaken $self;
1269		1287
1270	$self->{_rw} = AnyEvent->io (fh => $self->{fh}, poll => "r", cb => sub {	1288	$self->{_rw} = AnyEvent->io (fh => $self->{fh}, poll => "r", cb => sub {
1271	my $rbuf = $self->{filter_r} ? \my $buf : \$self->{rbuf};	1289	my $rbuf = \($self->{tls} ? my $buf : $self->{rbuf});
1272	my $len = sysread $self->{fh}, $$rbuf, $self->{read_size} \|\| 8192, length $$rbuf;	1290	my $len = sysread $self->{fh}, $$rbuf, $self->{read_size} \|\| 8192, length $$rbuf;
1273		1291
1274	if ($len > 0) {	1292	if ($len > 0) {
1275	$self->{_activity} = AnyEvent->now;	1293	$self->{_activity} = AnyEvent->now;
1276		1294
1277	$self->{filter_r}	1295	if ($self->{tls}) {
1278	? $self->{filter_r}($self, $rbuf)	1296	Net::SSLeay::BIO_write ($self->{_rbio}, $$rbuf);
1279	: $self->{_in_drain} \|\| $self->_drain_rbuf;	1297	&_dotls ($self);
		1298	} else {
		1299	$self->_drain_rbuf unless $self->{_in_drain};
		1300	}
1280		1301
1281	} elsif (defined $len) {	1302	} elsif (defined $len) {
1282	delete $self->{_rw};	1303	delete $self->{_rw};
1283	$self->{_eof} = 1;	1304	$self->{_eof} = 1;
1284	$self->_drain_rbuf unless $self->{_in_drain};	1305	$self->_drain_rbuf unless $self->{_in_drain};
…		…
1299	while ((my $len = Net::SSLeay::write ($self->{tls}, $self->{_tls_wbuf})) > 0) {	1320	while ((my $len = Net::SSLeay::write ($self->{tls}, $self->{_tls_wbuf})) > 0) {
1300	substr $self->{_tls_wbuf}, 0, $len, "";	1321	substr $self->{_tls_wbuf}, 0, $len, "";
1301	}	1322	}
1302	}	1323	}
1303		1324
1304	if (length ($buf = Net::SSLeay::BIO_read ($self->{_wbio}))) {
1305	$self->{wbuf} .= $buf;
1306	$self->_drain_wbuf;
1307	}
1308
1309	while (defined ($buf = Net::SSLeay::read ($self->{tls}))) {	1325	while (defined ($buf = Net::SSLeay::read ($self->{tls}))) {
1310	if (length $buf) {	1326	unless (length $buf) {
1311	$self->{rbuf} .= $buf;
1312	$self->_drain_rbuf unless $self->{_in_drain};
1313	} else {
1314	# let's treat SSL-eof as we treat normal EOF	1327	# let's treat SSL-eof as we treat normal EOF
		1328	delete $self->{_rw};
1315	$self->{_eof} = 1;	1329	$self->{_eof} = 1;
1316	$self->_shutdown;	1330	&_freetls;
1317	return;
1318	}	1331	}
		1332
		1333	$self->{rbuf} .= $buf;
		1334	$self->_drain_rbuf unless $self->{_in_drain};
		1335	$self->{tls} or return; # tls session might have gone away in callback
1319	}	1336	}
1320		1337
1321	my $err = Net::SSLeay::get_error ($self->{tls}, -1);	1338	my $err = Net::SSLeay::get_error ($self->{tls}, -1);
1322		1339
1323	if ($err!= Net::SSLeay::ERROR_WANT_READ ()) {	1340	if ($err!= Net::SSLeay::ERROR_WANT_READ ()) {
…		…
1327	return $self->_error (&Errno::EIO, 1);	1344	return $self->_error (&Errno::EIO, 1);
1328	}	1345	}
1329		1346
1330	# all others are fine for our purposes	1347	# all others are fine for our purposes
1331	}	1348	}
		1349
		1350	if (length ($buf = Net::SSLeay::BIO_read ($self->{_wbio}))) {
		1351	$self->{wbuf} .= $buf;
		1352	$self->_drain_wbuf;
		1353	}
1332	}	1354	}
1333		1355
1334	=item $handle->starttls ($tls[, $tls_ctx])	1356	=item $handle->starttls ($tls[, $tls_ctx])
1335		1357
1336	Instead of starting TLS negotiation immediately when the AnyEvent::Handle	1358	Instead of starting TLS negotiation immediately when the AnyEvent::Handle
…		…
1345		1367
1346	The TLS connection object will end up in C<< $handle->{tls} >> after this	1368	The TLS connection object will end up in C<< $handle->{tls} >> after this
1347	call and can be used or changed to your liking. Note that the handshake	1369	call and can be used or changed to your liking. Note that the handshake
1348	might have already started when this function returns.	1370	might have already started when this function returns.
1349		1371
		1372	If it an error to start a TLS handshake more than once per
		1373	AnyEvent::Handle object (this is due to bugs in OpenSSL).
		1374
1350	=cut	1375	=cut
1351		1376
1352	sub starttls {	1377	sub starttls {
1353	my ($self, $ssl, $ctx) = @_;	1378	my ($self, $ssl, $ctx) = @_;
1354		1379
1355	$self->stoptls;	1380	Carp::croak "it is an error to call starttls more than once on an Anyevent::Handle object"
1356		1381	if $self->{tls};
		1382
1357	if ($ssl eq "accept") {	1383	if ($ssl eq "accept") {
1358	$ssl = Net::SSLeay::new ($ctx \|\| TLS_CTX ());	1384	$ssl = Net::SSLeay::new ($ctx \|\| TLS_CTX ());
1359	Net::SSLeay::set_accept_state ($ssl);	1385	Net::SSLeay::set_accept_state ($ssl);
1360	} elsif ($ssl eq "connect") {	1386	} elsif ($ssl eq "connect") {
1361	$ssl = Net::SSLeay::new ($ctx \|\| TLS_CTX ());	1387	$ssl = Net::SSLeay::new ($ctx \|\| TLS_CTX ());
…		…
1367	# basically, this is deep magic (because SSL_read should have the same issues)	1393	# basically, this is deep magic (because SSL_read should have the same issues)
1368	# but the openssl maintainers basically said: "trust us, it just works".	1394	# but the openssl maintainers basically said: "trust us, it just works".
1369	# (unfortunately, we have to hardcode constants because the abysmally misdesigned	1395	# (unfortunately, we have to hardcode constants because the abysmally misdesigned
1370	# and mismaintained ssleay-module doesn't even offer them).	1396	# and mismaintained ssleay-module doesn't even offer them).
1371	# http://www.mail-archive.com/openssl-dev@openssl.org/msg22420.html	1397	# http://www.mail-archive.com/openssl-dev@openssl.org/msg22420.html
		1398	#
		1399	# in short: this is a mess.
		1400	#
		1401	# note that we do not try to keep the length constant between writes as we are required to do.
		1402	# we assume that most (but not all) of this insanity only applies to non-blocking cases,
		1403	# and we drive openssl fully in blocking mode here. Or maybe we don't - openssl seems to
		1404	# have identity issues in that area.
1372	Net::SSLeay::CTX_set_mode ($self->{tls},	1405	Net::SSLeay::CTX_set_mode ($self->{tls},
1373	(eval { local $SIG{__DIE__}; Net::SSLeay::MODE_ENABLE_PARTIAL_WRITE () } \|\| 1)	1406	(eval { local $SIG{__DIE__}; Net::SSLeay::MODE_ENABLE_PARTIAL_WRITE () } \|\| 1)
1374	\| (eval { local $SIG{__DIE__}; Net::SSLeay::MODE_ACCEPT_MOVING_WRITE_BUFFER () } \|\| 2));	1407	\| (eval { local $SIG{__DIE__}; Net::SSLeay::MODE_ACCEPT_MOVING_WRITE_BUFFER () } \|\| 2));
1375		1408
1376	$self->{_rbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ());	1409	$self->{_rbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ());
1377	$self->{_wbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ());	1410	$self->{_wbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ());
1378		1411
1379	Net::SSLeay::set_bio ($ssl, $self->{_rbio}, $self->{_wbio});	1412	Net::SSLeay::set_bio ($ssl, $self->{_rbio}, $self->{_wbio});
1380		1413
1381	$self->{filter_w} = sub {	1414	&_dotls; # need to trigger the initial handshake
1382	$_[0]{_tls_wbuf} .= ${$_[1]};	1415	$self->start_read; # make sure we actually do read
1383	&_dotls;
1384	};
1385	$self->{filter_r} = sub {
1386	Net::SSLeay::BIO_write ($_[0]{_rbio}, ${$_[1]});
1387	&_dotls;
1388	};
1389	}	1416	}
1390		1417
1391	=item $handle->stoptls	1418	=item $handle->stoptls
1392		1419
1393	Destroys the SSL connection, if any. Partial read or write data will be	1420	Shuts down the SSL connection - this makes a proper EOF handshake by
1394	lost.	1421	sending a close notify to the other side, but since OpenSSL doesn't
		1422	support non-blocking shut downs, it is not possible to re-use the stream
		1423	afterwards.
1395		1424
1396	=cut	1425	=cut
1397		1426
1398	sub stoptls {	1427	sub stoptls {
1399	my ($self) = @_;	1428	my ($self) = @_;
1400		1429
		1430	if ($self->{tls}) {
		1431	Net::SSLeay::shutdown $self->{tls};
		1432
		1433	&_dotls;
		1434
		1435	# we don't give a shit. no, we do, but we can't. no...
		1436	# we, we... have to use openssl :/
		1437	&_freetls;
		1438	}
		1439	}
		1440
		1441	sub _freetls {
		1442	my ($self) = @_;
		1443
		1444	return unless $self->{tls};
		1445
1401	Net::SSLeay::free (delete $self->{tls}) if $self->{tls};	1446	Net::SSLeay::free (delete $self->{tls});
1402		1447
1403	delete $self->{_rbio};	1448	delete @$self{qw(_rbio _wbio _tls_wbuf)};
1404	delete $self->{_wbio};
1405	delete $self->{_tls_wbuf};
1406	delete $self->{filter_r};
1407	delete $self->{filter_w};
1408	}	1449	}
1409		1450
1410	sub DESTROY {	1451	sub DESTROY {
1411	my $self = shift;	1452	my $self = shift;
1412		1453
1413	$self->stoptls;	1454	&_freetls;
1414		1455
1415	my $linger = exists $self->{linger} ? $self->{linger} : 3600;	1456	my $linger = exists $self->{linger} ? $self->{linger} : 3600;
1416		1457
1417	if ($linger && length $self->{wbuf}) {	1458	if ($linger && length $self->{wbuf}) {
1418	my $fh = delete $self->{fh};	1459	my $fh = delete $self->{fh};

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Comparing AnyEvent/lib/AnyEvent/Handle.pm (file contents): Revision 1.86 by root, Thu Aug 21 20:41:16 2008 UTC vs. Revision 1.93 by root, Wed Oct 1 14:49:23 2008 UTC

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Comparing AnyEvent/lib/AnyEvent/Handle.pm (file contents):
Revision 1.86 by root, Thu Aug 21 20:41:16 2008 UTC vs.
Revision 1.93 by root, Wed Oct 1 14:49:23 2008 UTC