[ViewVC] Diff of: cvs/AnyEvent-MP/MP.pm

Comparing AnyEvent-MP/MP.pm (file contents):
Revision 1.6 by root, Sat Aug 1 10:02:33 2009 UTC vs.
Revision 1.22 by root, Tue Aug 4 18:33:30 2009 UTC

…		…
4		4
5	=head1 SYNOPSIS	5	=head1 SYNOPSIS
6		6
7	use AnyEvent::MP;	7	use AnyEvent::MP;
8		8
9	NODE # returns this node identifier
10	$NODE # contains this node identifier	9	$NODE # contains this node's noderef
		10	NODE # returns this node's noderef
		11	NODE $port # returns the noderef of the port
11		12
12	snd $port, type => data...;	13	snd $port, type => data...;
		14
		15	$SELF # receiving/own port id in rcv callbacks
13		16
14	rcv $port, smartmatch => $cb->($port, @msg);	17	rcv $port, smartmatch => $cb->($port, @msg);
15		18
16	# examples:	19	# examples:
17	rcv $port2, ping => sub { snd $_[0], "pong"; 0 };	20	rcv $port2, ping => sub { snd $_[0], "pong"; 0 };
…		…
28		31
29	Despite its simplicity, you can securely message other processes running	32	Despite its simplicity, you can securely message other processes running
30	on the same or other hosts.	33	on the same or other hosts.
31		34
32	At the moment, this module family is severly brokena nd underdocumented,	35	At the moment, this module family is severly brokena nd underdocumented,
33	so do not use. This was uploaded mainly to resreve the CPAN namespace -	36	so do not use. This was uploaded mainly to reserve the CPAN namespace -
34	stay tuned!	37	stay tuned!
35		38
36	=head1 CONCEPTS	39	=head1 CONCEPTS
37		40
38	=over 4	41	=over 4
…		…
72		75
73	=cut	76	=cut
74		77
75	package AnyEvent::MP;	78	package AnyEvent::MP;
76		79
77	use AnyEvent::MP::Util ();
78	use AnyEvent::MP::Node;	80	use AnyEvent::MP::Base;
79	use AnyEvent::MP::Transport;
80		81
81	use utf8;
82	use common::sense;	82	use common::sense;
83		83
84	use Carp ();	84	use Carp ();
85		85
86	use AE ();	86	use AE ();
87		87
88	use base "Exporter";	88	use base "Exporter";
89		89
90	our $VERSION = '0.01';	90	our $VERSION = '0.02';
91	our @EXPORT = qw(NODE $NODE $PORT snd rcv _any_);	91	our @EXPORT = qw(
		92	NODE $NODE *SELF node_of _any_
		93	become_slave become_public
		94	snd rcv mon kil reg psub
		95	port
		96	);
92		97
93	our $DEFAULT_SECRET;	98	our $SELF;
94	our $DEFAULT_PORT = "4040";
95		99
96	our $CONNECT_INTERVAL = 5; # new connect every 5s, at least	100	sub _self_die() {
97	our $CONNECT_TIMEOUT = 30; # includes handshake	101	my $msg = $@;
98		102	$msg =~ s/\n+$// unless ref $msg;
99	sub default_secret {	103	kil $SELF, die => $msg;
100	unless (defined $DEFAULT_SECRET) {
101	if (open my $fh, "<$ENV{HOME}/.aemp-secret") {
102	sysread $fh, $DEFAULT_SECRET, -s $fh;
103	} else {
104	$DEFAULT_SECRET = AnyEvent::MP::Util::nonce 32;
105	}
106	}
107
108	$DEFAULT_SECRET
109	}	104	}
110		105
111	=item NODE / $NODE	106	=item $thisnode = NODE / $NODE
112		107
113	The C<NODE ()> function and the C<$NODE> variable contain the noderef of	108	The C<NODE> function returns, and the C<$NODE> variable contains
114	the local node. The value is initialised by a call to C<become_public> or	109	the noderef of the local node. The value is initialised by a call
115	C<become_slave>, after which all local port identifiers become invalid.	110	to C<become_public> or C<become_slave>, after which all local port
		111	identifiers become invalid.
116		112
117	=cut	113	=item $noderef = node_of $portid
118		114
119	our $UNIQ = sprintf "%x.%x", $$, time; # per-process/node unique cookie	115	Extracts and returns the noderef from a portid or a noderef.
120	our $ID = "a0";
121	our $PUBLIC = 0;
122	our $NODE;
123	our $PORT;
124		116
125	our %NODE; # node id to transport mapping, or "undef", for local node	117	=item $SELF
126	our %PORT; # local ports
127	our %LISTENER; # local transports
128		118
129	sub NODE() { $NODE }	119	Contains the current port id while executing C<rcv> callbacks or C<psub>
		120	blocks.
130		121
131	{	122	=item SELF, %SELF, @SELF...
132	use POSIX ();
133	my $nodename = (POSIX::uname)[1];
134	$NODE = "$$\@$nodename";
135	}
136		123
137	sub _ANY_() { 1 }	124	Due to some quirks in how perl exports variables, it is impossible to
138	sub _any_() { \&_ANY_ }	125	just export C<$SELF>, all the symbols called C<SELF> are exported by this
139		126	module, but only C<$SELF> is currently used.
140	sub add_node {
141	my ($noderef) = @_;
142
143	return $NODE{$noderef}
144	if exists $NODE{$noderef};
145
146	for (split /,/, $noderef) {
147	return $NODE{$noderef} = $NODE{$_}
148	if exists $NODE{$_};
149	}
150
151	# for indirect sends, use a different class
152	my $node = new AnyEvent::MP::Node::Direct $noderef;
153
154	$NODE{$_} = $node
155	for $noderef, split /,/, $noderef;
156
157	$node
158	}
159		127
160	=item snd $portid, type => @data	128	=item snd $portid, type => @data
161		129
162	=item snd $portid, @msg	130	=item snd $portid, @msg
163		131
164	Send the given message to the given port ID, which can identify either a	132	Send the given message to the given port ID, which can identify either
165	local or a remote port.	133	a local or a remote port, and can be either a string or soemthignt hat
		134	stringifies a sa port ID (such as a port object :).
166		135
167	While the message can be about anything, it is highly recommended to use	136	While the message can be about anything, it is highly recommended to use a
168	a constant string as first element.	137	string as first element (a portid, or some word that indicates a request
		138	type etc.).
169		139
170	The message data effectively becomes read-only after a call to this	140	The message data effectively becomes read-only after a call to this
171	function: modifying any argument is not allowed and can cause many	141	function: modifying any argument is not allowed and can cause many
172	problems.	142	problems.
173		143
…		…
175	JSON is used, then only strings, numbers and arrays and hashes consisting	145	JSON is used, then only strings, numbers and arrays and hashes consisting
176	of those are allowed (no objects). When Storable is used, then anything	146	of those are allowed (no objects). When Storable is used, then anything
177	that Storable can serialise and deserialise is allowed, and for the local	147	that Storable can serialise and deserialise is allowed, and for the local
178	node, anything can be passed.	148	node, anything can be passed.
179		149
180	=cut	150	=item kil $portid[, @reason]
181		151
182	sub snd(@) {	152	Kill the specified port with the given C<@reason>.
		153
		154	If no C<@reason> is specified, then the port is killed "normally" (linked
		155	ports will not be kileld, or even notified).
		156
		157	Otherwise, linked ports get killed with the same reason (second form of
		158	C<mon>, see below).
		159
		160	Runtime errors while evaluating C<rcv> callbacks or inside C<psub> blocks
		161	will be reported as reason C<< die => $@ >>.
		162
		163	Transport/communication errors are reported as C<< transport_error =>
		164	$message >>.
		165
		166	=item $guard = mon $portid, $cb->(@reason)
		167
		168	=item $guard = mon $portid, $otherport
		169
		170	=item $guard = mon $portid, $otherport, @msg
		171
		172	Monitor the given port and do something when the port is killed.
		173
		174	In the first form, the callback is simply called with any number
		175	of C<@reason> elements (no @reason means that the port was deleted
		176	"normally"). Note also that I<< the callback B<must> never die >>, so use
		177	C<eval> if unsure.
		178
		179	In the second form, the other port will be C<kil>'ed with C<@reason>, iff
		180	a @reason was specified, i.e. on "normal" kils nothing happens, while
		181	under all other conditions, the other port is killed with the same reason.
		182
		183	In the last form, a message of the form C<@msg, @reason> will be C<snd>.
		184
		185	Example: call a given callback when C<$port> is killed.
		186
		187	mon $port, sub { warn "port died because of <@_>\n" };
		188
		189	Example: kill ourselves when C<$port> is killed abnormally.
		190
		191	mon $port, $self;
		192
		193	Example: send us a restart message another C<$port> is killed.
		194
		195	mon $port, $self => "restart";
		196
		197	=cut
		198
		199	sub mon {
183	my ($noderef, $port) = split /#/, shift, 2;	200	my ($noderef, $port, $cb) = ((split /#/, shift, 2), shift);
184		201
185	add_node $noderef	202	my $node = $NODE{$noderef} \|\| add_node $noderef;
186	unless exists $NODE{$noderef};
187		203
188	$NODE{$noderef}->send (["$port", [@_]]);	204	#TODO: ports must not be references
189	}	205	if (!ref $cb or "AnyEvent::MP::Port" eq ref $cb) {
		206	if (@_) {
		207	# send a kill info message
		208	my (@msg) = ($cb, @_);
		209	$cb = sub { snd @msg, @_ };
		210	} else {
		211	# simply kill other port
		212	my $port = $cb;
		213	$cb = sub { kil $port, @_ if @_ };
		214	}
		215	}
190		216
		217	$node->monitor ($port, $cb);
		218
		219	defined wantarray
		220	and AnyEvent::Util::guard { $node->unmonitor ($port, $cb) }
		221	}
		222
		223	=item $guard = mon_guard $port, $ref, $ref...
		224
		225	Monitors the given C<$port> and keeps the passed references. When the port
		226	is killed, the references will be freed.
		227
		228	Optionally returns a guard that will stop the monitoring.
		229
		230	This function is useful when you create e.g. timers or other watchers and
		231	want to free them when the port gets killed:
		232
		233	$port->rcv (start => sub {
		234	my $timer; $timer = mon_guard $port, AE::timer 1, 1, sub {
		235	undef $timer if 0.9 < rand;
		236	});
		237	});
		238
		239	=cut
		240
		241	sub mon_guard {
		242	my ($port, @refs) = @_;
		243
		244	mon $port, sub { 0 && @refs }
		245	}
		246
		247	=item $local_port = port
		248
		249	Create a new local port object that supports message matching.
		250
		251	=item $portid = port { my @msg = @_; $finished }
		252
		253	Creates a "mini port", that is, a very lightweight port without any
		254	pattern matching behind it, and returns its ID.
		255
		256	The block will be called for every message received on the port. When the
		257	callback returns a true value its job is considered "done" and the port
		258	will be destroyed. Otherwise it will stay alive.
		259
		260	The message will be passed as-is, no extra argument (i.e. no port id) will
		261	be passed to the callback.
		262
		263	If you need the local port id in the callback, this works nicely:
		264
		265	my $port; $port = miniport {
		266	snd $otherport, reply => $port;
		267	};
		268
		269	=cut
		270
		271	sub port(;&) {
		272	my $id = "$UNIQ." . $ID++;
		273	my $port = "$NODE#$id";
		274
		275	if (@_) {
		276	my $cb = shift;
		277	$PORT{$id} = sub {
		278	local $SELF = $port;
		279	eval {
		280	&$cb
		281	and kil $id;
		282	};
		283	_self_die if $@;
		284	};
		285	} else {
		286	my $self = bless {
		287	id => "$NODE#$id",
		288	}, "AnyEvent::MP::Port";
		289
		290	$PORT_DATA{$id} = $self;
		291	$PORT{$id} = sub {
		292	local $SELF = $port;
		293
		294	eval {
		295	for (@{ $self->{rc0}{$_[0]} }) {
		296	$_ && &{$_->[0]}
		297	&& undef $_;
		298	}
		299
		300	for (@{ $self->{rcv}{$_[0]} }) {
		301	$_ && [@_[1 .. @{$_->[1]}]] ~~ $_->[1]
		302	&& &{$_->[0]}
		303	&& undef $_;
		304	}
		305
		306	for (@{ $self->{any} }) {
		307	$_ && [@_[0 .. $#{$_->[1]}]] ~~ $_->[1]
		308	&& &{$_->[0]}
		309	&& undef $_;
		310	}
		311	};
		312	_self_die if $@;
		313	};
		314	}
		315
		316	$port
		317	}
		318
		319	=item reg $portid, $name
		320
		321	Registers the given port under the name C<$name>. If the name already
		322	exists it is replaced.
		323
		324	A port can only be registered under one well known name.
		325
		326	A port automatically becomes unregistered when it is killed.
		327
		328	=cut
		329
		330	sub reg(@) {
		331	my ($portid, $name) = @_;
		332
		333	$REG{$name} = $portid;
		334	}
		335
191	=item rcv $portid, type => $callback->(@msg)	336	=item rcv $portid, tagstring => $callback->(@msg), ...
192		337
193	=item rcv $portid, $smartmatch => $callback->(@msg)	338	=item rcv $portid, $smartmatch => $callback->(@msg), ...
194		339
195	=item rcv $portid, [$smartmatch...] => $callback->(@msg)	340	=item rcv $portid, [$smartmatch...] => $callback->(@msg), ...
196		341
197	Register a callback on the port identified by C<$portid>, which I<must> be	342	Register callbacks to be called on matching messages on the given port.
198	a local port.
199		343
200	The callback has to return a true value when its work is done, after	344	The callback has to return a true value when its work is done, after
201	which is will be removed, or a false value in which case it will stay	345	which is will be removed, or a false value in which case it will stay
202	registered.	346	registered.
203		347
		348	The global C<$SELF> (exported by this module) contains C<$portid> while
		349	executing the callback.
		350
		351	Runtime errors wdurign callback execution will result in the port being
		352	C<kil>ed.
		353
204	If the match is an array reference, then it will be matched against the	354	If the match is an array reference, then it will be matched against the
205	first elements of the message, otherwise only the first element is being	355	first elements of the message, otherwise only the first element is being
206	matched.	356	matched.
207		357
208	Any element in the match that is specified as C<_any_> (a function	358	Any element in the match that is specified as C<_any_> (a function
…		…
213	also the most efficient match (by far).	363	also the most efficient match (by far).
214		364
215	=cut	365	=cut
216		366
217	sub rcv($@) {	367	sub rcv($@) {
218	my ($port, $match, $cb) = @_;
219
220	my $port = $PORT{$port}
221	or do {
222	my ($noderef, $lport) = split /#/, $port;	368	my ($noderef, $port) = split /#/, shift, 2;
223	"AnyEvent::MP::Node::Self" eq ref $NODE{$noderef}	369
		370	($NODE{$noderef} \|\| add_node $noderef) == $NODE{""}
224	or Carp::croak "$port: can only rcv on local ports";	371	or Carp::croak "$noderef#$port: rcv can only be called on local ports, caught";
225		372
226	$PORT{$lport}	373	my $self = $PORT_DATA{$port}
227	or Carp::croak "$port: port does not exist";	374	or Carp::croak "$noderef#$port: rcv can only be called on message matching ports, caught";
228
229	$PORT{$port} = $PORT{$lport} # also return
230	};
231		375
		376	"AnyEvent::MP::Port" eq ref $self
		377	or Carp::croak "$noderef#$port: rcv can only be called on message matching ports, caught";
		378
		379	while (@_) {
		380	my ($match, $cb) = splice @_, 0, 2;
		381
232	if (!ref $match) {	382	if (!ref $match) {
233	push @{ $port->{rc0}{$match} }, [$cb];	383	push @{ $self->{rc0}{$match} }, [$cb];
234	} elsif (("ARRAY" eq ref $match && !ref $match->[0])) {	384	} elsif (("ARRAY" eq ref $match && !ref $match->[0])) {
235	my ($type, @match) = @$match;	385	my ($type, @match) = @$match;
236	@match	386	@match
237	? push @{ $port->{rcv}{$match->[0]} }, [$cb, \@match]	387	? push @{ $self->{rcv}{$match->[0]} }, [$cb, \@match]
238	: push @{ $port->{rc0}{$match->[0]} }, [$cb];	388	: push @{ $self->{rc0}{$match->[0]} }, [$cb];
239	} else {
240	push @{ $port->{any} }, [$cb, $match];
241	}
242	}
243
244	sub _inject {
245	my ($port, $msg) = @{+shift};
246
247	$port = $PORT{$port}
248	or return;
249
250	@_ = @$msg;
251
252	for (@{ $port->{rc0}{$msg->[0]} }) {
253	$_ && &{$_->[0]}
254	&& undef $_;
255	}
256
257	for (@{ $port->{rcv}{$msg->[0]} }) {
258	$_ && [@_[1..$#{$_->[1]}]] ~~ $_->[1]
259	&& &{$_->[0]}
260	&& undef $_;
261	}
262
263	for (@{ $port->{any} }) {
264	$_ && [@_[0..$#{$_->[1]}]] ~~ $_->[1]
265	&& &{$_->[0]}
266	&& undef $_;
267	}
268	}
269
270	sub normalise_noderef($) {
271	my ($noderef) = @_;
272
273	my $cv = AE::cv;
274	my @res;
275
276	$cv->begin (sub {
277	my %seen;
278	my @refs;
279	for (sort { $a->[0] <=> $b->[0] } @res) {
280	push @refs, $_->[1] unless $seen{$_->[1]}++
281	}
282	shift->send (join ",", @refs);
283	});
284
285	$noderef = $DEFAULT_PORT unless length $noderef;
286
287	my $idx;
288	for my $t (split /,/, $noderef) {
289	my $pri = ++$idx;
290
291	#TODO: this should be outside normalise_noderef and in become_public
292	if ($t =~ /^\d*$/) {
293	my $nodename = (POSIX::uname)[1];
294
295	$cv->begin;
296	AnyEvent::Socket::resolve_sockaddr $nodename, $t \|\| "aemp=$DEFAULT_PORT", "tcp", 0, undef, sub {
297	for (@_) {
298	my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3];
299	push @res, [
300	$pri += 1e-5,
301	AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service
302	];
303	}
304	$cv->end;
305	};
306
307	# my (undef, undef, undef, undef, @ipv4) = gethostbyname $nodename;
308	#
309	# for (@ipv4) {
310	# push @res, [
311	# $pri,
312	# AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $_, $t \|\| $DEFAULT_PORT,
313	# ];
314	# }
315	} else {	389	} else {
316	my ($host, $port) = AnyEvent::Socket::parse_hostport $t, "aemp=$DEFAULT_PORT"	390	push @{ $self->{any} }, [$cb, $match];
317	or Carp::croak "$t: unparsable transport descriptor";
318
319	$cv->begin;
320	AnyEvent::Socket::resolve_sockaddr $host, $port, "tcp", 0, undef, sub {
321	for (@_) {
322	my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3];
323	push @res, [
324	$pri += 1e-5,
325	AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service
326	];
327	}
328	$cv->end;
329	}
330	}	391	}
331	}	392	}
332
333	$cv->end;
334
335	$cv
336	}	393	}
337		394
338	sub become_public {	395	=item $closure = psub { BLOCK }
339	return if $PUBLIC;
340		396
341	my $noderef = join ",", ref $_[0] ? @{+shift} : shift;	397	Remembers C<$SELF> and creates a closure out of the BLOCK. When the
342	my @args = @_;	398	closure is executed, sets up the environment in the same way as in C<rcv>
		399	callbacks, i.e. runtime errors will cause the port to get C<kil>ed.
343		400
344	$NODE = (normalise_noderef $noderef)->recv;	401	This is useful when you register callbacks from C<rcv> callbacks:
345		402
346	for my $t (split /,/, $NODE) {	403	rcv delayed_reply => sub {
347	$NODE{$t} = $NODE{""};	404	my ($delay, @reply) = @_;
348		405	my $timer = AE::timer $delay, 0, psub {
349	my ($host, $port) = AnyEvent::Socket::parse_hostport $t;	406	snd @reply, $SELF;
350
351	$LISTENER{$t} = AnyEvent::MP::Transport::mp_server $host, $port,
352	@args,
353	on_error => sub {
354	die "on_error<@_>\n";#d#
355	},
356	on_connect => sub {
357	my ($tp) = @_;
358
359	$NODE{$tp->{remote_id}} = $_[0];
360	},
361	sub {
362	my ($tp) = @_;
363
364	$NODE{"$tp->{peerhost}:$tp->{peerport}"} = $tp;
365	},
366	;	407	};
		408	};
		409
		410	=cut
		411
		412	sub psub(&) {
		413	my $cb = shift;
		414
		415	my $port = $SELF
		416	or Carp::croak "psub can only be called from within rcv or psub callbacks, not";
		417
		418	sub {
		419	local $SELF = $port;
		420
		421	if (wantarray) {
		422	my @res = eval { &$cb };
		423	_self_die if $@;
		424	@res
		425	} else {
		426	my $res = eval { &$cb };
		427	_self_die if $@;
		428	$res
		429	}
367	}	430	}
368
369	$PUBLIC = 1;
370	}	431	}
		432
		433	=back
		434
		435	=head1 FUNCTIONS FOR NODES
		436
		437	=over 4
		438
		439	=item become_public endpoint...
		440
		441	Tells the node to become a public node, i.e. reachable from other nodes.
		442
		443	If no arguments are given, or the first argument is C<undef>, then
		444	AnyEvent::MP tries to bind on port C<4040> on all IP addresses that the
		445	local nodename resolves to.
		446
		447	Otherwise the first argument must be an array-reference with transport
		448	endpoints ("ip:port", "hostname:port") or port numbers (in which case the
		449	local nodename is used as hostname). The endpoints are all resolved and
		450	will become the node reference.
		451
		452	=cut
371		453
372	=back	454	=back
373		455
374	=head1 NODE MESSAGES	456	=head1 NODE MESSAGES
375		457
…		…
380		462
381	=over 4	463	=over 4
382		464
383	=cut	465	=cut
384		466
385	#############################################################################	467	=item lookup => $name, @reply
386	# self node code
387		468
388	sub _new_port($) {	469	Replies with the port ID of the specified well-known port, or C<undef>.
389	my ($name) = @_;
390		470
391	my ($noderef, $portname) = split /#/, $name;	471	=item devnull => ...
392		472
393	$PORT{$name} =	473	Generic data sink/CPU heat conversion.
394	$PORT{$portname} = {
395	names => [$name, $portname],
396	};
397	}
398
399	$NODE{""} = new AnyEvent::MP::Node::Self noderef => $NODE;
400	_new_port "";
401		474
402	=item relay => $port, @msg	475	=item relay => $port, @msg
403		476
404	Simply forwards the message to the given port.	477	Simply forwards the message to the given port.
405
406	=cut
407
408	rcv "", relay => \&snd;
409		478
410	=item eval => $string[ @reply]	479	=item eval => $string[ @reply]
411		480
412	Evaluates the given string. If C<@reply> is given, then a message of the	481	Evaluates the given string. If C<@reply> is given, then a message of the
413	form C<@reply, $@, @evalres> is sent.	482	form C<@reply, $@, @evalres> is sent.
414		483
415	Example: crash another node.	484	Example: crash another node.
416		485
417	snd $othernode, eval => "exit";	486	snd $othernode, eval => "exit";
418		487
419	=cut
420
421	rcv "", eval => sub {
422	my (undef, $string, @reply) = @_;
423	my @res = eval $string;
424	snd @reply, "$@", @res if @reply;
425	};
426
427	=item time => @reply	488	=item time => @reply
428		489
429	Replies the the current node time to C<@reply>.	490	Replies the the current node time to C<@reply>.
430		491
431	Example: tell the current node to send the current time to C<$myport> in a	492	Example: tell the current node to send the current time to C<$myport> in a
432	C<timereply> message.	493	C<timereply> message.
433		494
434	snd $NODE, time => $myport, timereply => 1, 2;	495	snd $NODE, time => $myport, timereply => 1, 2;
435	# => snd $myport, timereply => 1, 2, <time>	496	# => snd $myport, timereply => 1, 2, <time>
436		497
437	=cut
438
439	rcv "", time => sub { shift; snd @_, AE::time };
440
441	=back	498	=back
442		499
443	=head1 SEE ALSO	500	=head1 SEE ALSO
444		501
445	L<AnyEvent>.	502	L<AnyEvent>.

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Comparing AnyEvent-MP/MP.pm (file contents): Revision 1.6 by root, Sat Aug 1 10:02:33 2009 UTC vs. Revision 1.22 by root, Tue Aug 4 18:33:30 2009 UTC

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Comparing AnyEvent-MP/MP.pm (file contents):
Revision 1.6 by root, Sat Aug 1 10:02:33 2009 UTC vs.
Revision 1.22 by root, Tue Aug 4 18:33:30 2009 UTC