[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs.
Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC

…		…
1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Fcntl;
10	use IO::AIO ();	21	use IO::AIO 2.31 ();
11	use YAML::Syck ();	22	use YAML::Syck ();
12	use Time::HiRes;	23	use Time::HiRes;
13	use Event;	24
14	$Event::Eval = 1; # no idea why this is required, but it is	25	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		26
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	27	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	28	$YAML::Syck::ImplicitUnicode = 1;
18		29
19	use strict;	30	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		31
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		33
23	our %COMMAND = ();	34	our %COMMAND = ();
24	our %COMMAND_TIME = ();	35	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	36	our %EXTCMD = ();
26		37
27	_init_vars;
28
29	our @EVENT;	38	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	39	our $LIBDIR = datadir . "/ext";
31		40
32	our $TICK = MAX_TIME * 1e-6;	41	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	42	our $TICK_WATCHER;
34	our $NEXT_TICK;	43	our $NEXT_TICK;
		44	our $NOW;
35		45
36	our %CFG;	46	our %CFG;
37		47
38	our $UPTIME; $UPTIME \|\|= time;	48	our $UPTIME; $UPTIME \|\|= time;
		49	our $RUNTIME;
		50
		51	our %MAP; # all maps
		52	our $LINK_MAP; # the special {link} map
		53	our $FREEZE;
		54
		55	binmode STDOUT;
		56	binmode STDERR;
		57
		58	# read virtual server time, if available
		59	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		60	open my $fh, "<", cf::localdir . "/runtime"
		61	or die "unable to read runtime file: $!";
		62	$RUNTIME = <$fh> + 0.;
		63	}
		64
		65	mkdir cf::localdir;
		66	mkdir cf::localdir . "/" . cf::playerdir;
		67	mkdir cf::localdir . "/" . cf::tmpdir;
		68	mkdir cf::localdir . "/" . cf::uniquedir;
		69
		70	our %EXT_CORO;
39		71
40	#############################################################################	72	#############################################################################
41		73
42	=head2 GLOBAL VARIABLES	74	=head2 GLOBAL VARIABLES
43		75
44	=over 4	76	=over 4
45		77
46	=item $cf::UPTIME	78	=item $cf::UPTIME
47		79
48	The timestamp of the server start (so not actually an uptime).	80	The timestamp of the server start (so not actually an uptime).
		81
		82	=item $cf::RUNTIME
		83
		84	The time this server has run, starts at 0 and is increased by $cf::TICK on
		85	every server tick.
49		86
50	=item $cf::LIBDIR	87	=item $cf::LIBDIR
51		88
52	The perl library directory, where extensions and cf-specific modules can	89	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	90	be found. It will be added to C<@INC> automatically.
		91
		92	=item $cf::NOW
		93
		94	The time of the last (current) server tick.
54		95
55	=item $cf::TICK	96	=item $cf::TICK
56		97
57	The interval between server ticks, in seconds.	98	The interval between server ticks, in seconds.
58		99
66	=cut	107	=cut
67		108
68	BEGIN {	109	BEGIN {
69	*CORE::GLOBAL::warn = sub {	110	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	111	my $msg = join "", @_;
		112	utf8::encode $msg;
		113
71	$msg .= "\n"	114	$msg .= "\n"
72	unless $msg =~ /\n$/;	115	unless $msg =~ /\n$/;
73		116
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	117	LOG llevError, "cfperl: $msg";
76	};	118	};
77	}	119	}
78		120
79	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	121	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
84	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	126	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
85		127
86	# we bless all objects into (empty) derived classes to force a method lookup	128	# we bless all objects into (empty) derived classes to force a method lookup
87	# within the Safe compartment.	129	# within the Safe compartment.
88	for my $pkg (qw(	130	for my $pkg (qw(
89	cf::global	131	cf::global cf::attachable
90	cf::object cf::object::player	132	cf::object cf::object::player
91	cf::client cf::player	133	cf::client cf::player
92	cf::arch cf::living	134	cf::arch cf::living
93	cf::map cf::party cf::region	135	cf::map cf::party cf::region
94	)) {	136	)) {
…		…
130	=cut	172	=cut
131		173
132	sub to_json($) {	174	sub to_json($) {
133	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
134	JSON::Syck::Dump $_[0]	176	JSON::Syck::Dump $_[0]
		177	}
		178
		179	# main coro must never ever "block" except in Event
		180	# sync_job ensures this by running the job in a coroutine
		181	# and waiting in Event while the server is otherwise frozen
		182	sub sync_job(&) {
		183	my ($job) = @_;
		184
		185	my $busy = 1;
		186	my @res;
		187
		188	local $FREEZE = 1;
		189
		190	my $coro = Coro::async {
		191	@res = eval { $job->() };
		192	warn $@ if $@;
		193	undef $busy;
		194	};
		195
		196	if ($Coro::current == $Coro::main) {
		197	$coro->prio (Coro::PRIO_MAX);
		198	while ($busy) {
		199	Coro::cede_notself;
		200	Event::one_event unless Coro::nready;
		201	}
		202	} else {
		203	$coro->join;
		204	}
		205
		206	wantarray ? @res : $res[0]
		207	}
		208
		209	=item $coro = cf::coro { BLOCK }
		210
		211	Creates and returns a new coro. This coro is automcatially being canceled
		212	when the extension calling this is being unloaded.
		213
		214	=cut
		215
		216	sub coro(&) {
		217	my $cb = shift;
		218
		219	my $coro; $coro = async {
		220	eval {
		221	$cb->();
		222	};
		223	warn $@ if $@;
		224	};
		225
		226	$coro->on_destroy (sub {
		227	delete $EXT_CORO{$coro+0};
		228	});
		229	$EXT_CORO{$coro+0} = $coro;
		230
		231	$coro
135	}	232	}
136		233
137	=back	234	=back
138		235
139	=cut	236	=cut
…		…
249	my ($self, $victim) = @_;	346	my ($self, $victim) = @_;
250	...	347	...
251	}	348	}
252	}	349	}
253		350
		351	=item $attachable->valid
		352
		353	Just because you have a perl object does not mean that the corresponding
		354	C-level object still exists. If you try to access an object that has no
		355	valid C counterpart anymore you get an exception at runtime. This method
		356	can be used to test for existence of the C object part without causing an
		357	exception.
		358
254	=cut	359	=cut
255		360
256	# the following variables are defined in .xs and must not be re-created	361	# the following variables are defined in .xs and must not be re-created
257	our @CB_GLOBAL = (); # registry for all global events	362	our @CB_GLOBAL = (); # registry for all global events
		363	our @CB_ATTACHABLE = (); # registry for all attachables
258	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	364	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
259	our @CB_PLAYER = ();	365	our @CB_PLAYER = ();
260	our @CB_CLIENT = ();	366	our @CB_CLIENT = ();
261	our @CB_TYPE = (); # registry for type (cf-object class) based events	367	our @CB_TYPE = (); # registry for type (cf-object class) based events
262	our @CB_MAP = ();	368	our @CB_MAP = ();
263		369
264	my %attachment;	370	my %attachment;
265		371
266	sub _attach_cb($$$$) {	372	sub _attach_cb($$$$) {
267	my ($registry, $event, $prio, $cb) = @_;	373	my ($registry, $event, $prio, $cb) = @_;
…		…
272		378
273	@{$registry->[$event]} = sort	379	@{$registry->[$event]} = sort
274	{ $a->[0] cmp $b->[0] }	380	{ $a->[0] cmp $b->[0] }
275	@{$registry->[$event] \|\| []}, $cb;	381	@{$registry->[$event] \|\| []}, $cb;
276	}	382	}
		383
		384	# hack
		385	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
277		386
278	# attach handles attaching event callbacks	387	# attach handles attaching event callbacks
279	# the only thing the caller has to do is pass the correct	388	# the only thing the caller has to do is pass the correct
280	# registry (== where the callback attaches to).	389	# registry (== where the callback attaches to).
281	sub _attach {	390	sub _attach {
…		…
283		392
284	my $object_type;	393	my $object_type;
285	my $prio = 0;	394	my $prio = 0;
286	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	395	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
287		396
		397	#TODO: get rid of this hack
		398	if ($attachable_klass{$klass}) {
		399	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		400	}
		401
288	while (@arg) {	402	while (@arg) {
289	my $type = shift @arg;	403	my $type = shift @arg;
290		404
291	if ($type eq "prio") {	405	if ($type eq "prio") {
292	$prio = shift @arg;	406	$prio = shift @arg;
…		…
367	my ($obj, $name) = @_;	481	my ($obj, $name) = @_;
368		482
369	exists $obj->{_attachment}{$name}	483	exists $obj->{_attachment}{$name}
370	}	484	}
371		485
372	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	486	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
373	eval "#line " . __LINE__ . " 'cf.pm'	487	eval "#line " . __LINE__ . " 'cf.pm'
374	sub cf::\L$klass\E::_attach_registry {	488	sub cf::\L$klass\E::_attach_registry {
375	(\\\@CB_$klass, KLASS_$klass)	489	(\\\@CB_$klass, KLASS_$klass)
376	}	490	}
377		491
…		…
413	}	527	}
414		528
415	0	529	0
416	}	530	}
417		531
418	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	532	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
419		533
420	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
421
422	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
423
424	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)	534	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
425		535
426	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
427
428	Generate a global/object/player/map-specific event with the given arguments.	536	Generate an object-specific event with the given arguments.
429		537
430	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	538	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
431	removed in future versions), and there is no public API to access override	539	removed in future versions), and there is no public API to access override
432	results (if you must, access C<@cf::invoke_results> directly).	540	results (if you must, access C<@cf::invoke_results> directly).
433		541
434	=back	542	=back
435		543
436	=cut	544	=cut
437		545
438	#############################################################################	546	#############################################################################
439
440	=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
441
442	Attachable objects includes objects, players, clients and maps.
443
444	=over 4
445
446	=item $object->valid
447
448	Just because you have a perl object does not mean that the corresponding
449	C-level object still exists. If you try to access an object that has no
450	valid C counterpart anymore you get an exception at runtime. This method
451	can be used to test for existence of the C object part without causing an
452	exception.
453
454	=back
455
456	=cut
457
458	#############################################################################
459	# object support	547	# object support
460		548
461	sub instantiate {
462	my ($obj, $data) = @_;
463
464	$data = from_json $data;
465
466	for (@$data) {
467	my ($name, $args) = @$_;
468
469	$obj->attach ($name, %{$args \|\| {} });
470	}
471	}
472
473	# basically do the same as instantiate, without calling instantiate
474	sub reattach {	549	sub reattach {
		550	# basically do the same as instantiate, without calling instantiate
475	my ($obj) = @_;	551	my ($obj) = @_;
		552
476	my $registry = $obj->registry;	553	my $registry = $obj->registry;
477		554
478	@$registry = ();	555	@$registry = ();
479		556
480	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	557	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
…		…
489	warn "object uses attachment '$name' that is not available, postponing.\n";	566	warn "object uses attachment '$name' that is not available, postponing.\n";
490	}	567	}
491	}	568	}
492	}	569	}
493		570
494	sub object_freezer_save {	571	cf::attachable->attach (
495	my ($filename, $rdata, $objs) = @_;
496
497	if (length $$rdata) {
498	warn sprintf "saving %s (%d,%d)\n",
499	$filename, length $$rdata, scalar @$objs;
500
501	if (open my $fh, ">:raw", "$filename~") {
502	chmod SAVE_MODE, $fh;
503	syswrite $fh, $$rdata;
504	close $fh;
505
506	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
507	chmod SAVE_MODE, $fh;
508	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
509	close $fh;
510	rename "$filename.pst~", "$filename.pst";
511	} else {
512	unlink "$filename.pst";
513	}
514
515	rename "$filename~", $filename;
516	} else {
517	warn "FATAL: $filename~: $!\n";
518	}
519	} else {
520	unlink $filename;
521	unlink "$filename.pst";
522	}
523	}
524
525	sub object_freezer_as_string {
526	my ($rdata, $objs) = @_;
527
528	use Data::Dumper;
529
530	$$rdata . Dumper $objs
531	}
532
533	sub object_thawer_load {
534	my ($filename) = @_;
535
536	local $/;
537
538	my $av;
539
540	#TODO: use sysread etc.
541	if (open my $data, "<:raw:perlio", $filename) {
542	$data = <$data>;
543	if (open my $pst, "<:raw:perlio", "$filename.pst") {
544	$av = eval { (Storable::thaw <$pst>)->{objs} };
545	}
546	return ($data, $av);
547	}
548
549	()
550	}
551
552	cf::object->attach (
553	prio => -1000000,	572	prio => -1000000,
		573	on_instantiate => sub {
		574	my ($obj, $data) = @_;
		575
		576	$data = from_json $data;
		577
		578	for (@$data) {
		579	my ($name, $args) = @$_;
		580
		581	$obj->attach ($name, %{$args \|\| {} });
		582	}
		583	},
		584	on_reattach => \&reattach,
554	on_clone => sub {	585	on_clone => sub {
555	my ($src, $dst) = @_;	586	my ($src, $dst) = @_;
556		587
557	@{$dst->registry} = @{$src->registry};	588	@{$dst->registry} = @{$src->registry};
558		589
…		…
560		591
561	%{$dst->{_attachment}} = %{$src->{_attachment}}	592	%{$dst->{_attachment}} = %{$src->{_attachment}}
562	if exists $src->{_attachment};	593	if exists $src->{_attachment};
563	},	594	},
564	);	595	);
		596
		597	sub object_freezer_save {
		598	my ($filename, $rdata, $objs) = @_;
		599
		600	sync_job {
		601	if (length $$rdata) {
		602	warn sprintf "saving %s (%d,%d)\n",
		603	$filename, length $$rdata, scalar @$objs;
		604
		605	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		606	chmod SAVE_MODE, $fh;
		607	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		608	aio_fsync $fh;
		609	close $fh;
		610
		611	if (@$objs) {
		612	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		613	chmod SAVE_MODE, $fh;
		614	my $data = Storable::nfreeze { version => 1, objs => $objs };
		615	aio_write $fh, 0, (length $data), $data, 0;
		616	aio_fsync $fh;
		617	close $fh;
		618	aio_rename "$filename.pst~", "$filename.pst";
		619	}
		620	} else {
		621	aio_unlink "$filename.pst";
		622	}
		623
		624	aio_rename "$filename~", $filename;
		625	} else {
		626	warn "FATAL: $filename~: $!\n";
		627	}
		628	} else {
		629	aio_unlink $filename;
		630	aio_unlink "$filename.pst";
		631	}
		632	}
		633	}
		634
		635	sub object_freezer_as_string {
		636	my ($rdata, $objs) = @_;
		637
		638	use Data::Dumper;
		639
		640	$$rdata . Dumper $objs
		641	}
		642
		643	sub object_thawer_load {
		644	my ($filename) = @_;
		645
		646	my ($data, $av);
		647
		648	(aio_load $filename, $data) >= 0
		649	or return;
		650
		651	unless (aio_stat "$filename.pst") {
		652	(aio_load "$filename.pst", $av) >= 0
		653	or return;
		654	$av = eval { (Storable::thaw <$av>)->{objs} };
		655	}
		656
		657	return ($data, $av);
		658	}
565		659
566	#############################################################################	660	#############################################################################
567	# command handling &c	661	# command handling &c
568		662
569	=item cf::register_command $name => \&callback($ob,$args);	663	=item cf::register_command $name => \&callback($ob,$args);
…		…
758		852
759	=head2 CORE EXTENSIONS	853	=head2 CORE EXTENSIONS
760		854
761	Functions and methods that extend core crossfire objects.	855	Functions and methods that extend core crossfire objects.
762		856
		857	=head3 cf::player
		858
763	=over 4	859	=over 4
764		860
765	=item cf::player::exists $login	861	=item cf::player::exists $login
766		862
767	Returns true when the given account exists.	863	Returns true when the given account exists.
…		…
771	sub cf::player::exists($) {	867	sub cf::player::exists($) {
772	cf::player::find $_[0]	868	cf::player::find $_[0]
773	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	869	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
774	}	870	}
775		871
		872	=item $player->ext_reply ($msgid, $msgtype, %msg)
		873
		874	Sends an ext reply to the player.
		875
		876	=cut
		877
		878	sub cf::player::ext_reply($$$%) {
		879	my ($self, $id, %msg) = @_;
		880
		881	$msg{msgid} = $id;
		882
		883	$self->send ("ext " . to_json \%msg);
		884	}
		885
		886	=back
		887
		888	=head3 cf::object::player
		889
		890	=over 4
		891
776	=item $player_object->reply ($npc, $msg[, $flags])	892	=item $player_object->reply ($npc, $msg[, $flags])
777		893
778	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	894	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
779	can be C<undef>. Does the right thing when the player is currently in a	895	can be C<undef>. Does the right thing when the player is currently in a
780	dialogue with the given NPC character.	896	dialogue with the given NPC character.
781		897
782	=cut	898	=cut
783		899
784	# rough implementation of a future "reply" method that works	900	# rough implementation of a future "reply" method that works
785	# with dialog boxes.	901	# with dialog boxes.
		902	#TODO: the first argument must go, split into a $npc->reply_to ( method
786	sub cf::object::player::reply($$$;$) {	903	sub cf::object::player::reply($$$;$) {
787	my ($self, $npc, $msg, $flags) = @_;	904	my ($self, $npc, $msg, $flags) = @_;
788		905
789	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	906	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
790		907
…		…
794	$msg = $npc->name . " says: $msg" if $npc;	911	$msg = $npc->name . " says: $msg" if $npc;
795	$self->message ($msg, $flags);	912	$self->message ($msg, $flags);
796	}	913	}
797	}	914	}
798		915
799	=item $player->ext_reply ($msgid, $msgtype, %msg)
800
801	Sends an ext reply to the player.
802
803	=cut
804
805	sub cf::player::ext_reply($$$%) {
806	my ($self, $id, %msg) = @_;
807
808	$msg{msgid} = $id;
809
810	$self->send ("ext " . to_json \%msg);
811	}
812
813	=item $player_object->may ("access")	916	=item $player_object->may ("access")
814		917
815	Returns wether the given player is authorized to access resource "access"	918	Returns wether the given player is authorized to access resource "access"
816	(e.g. "command_wizcast").	919	(e.g. "command_wizcast").
817		920
…		…
824	(ref $cf::CFG{"may_$access"}	927	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	928	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	929	: $cf::CFG{"may_$access"})
827	}	930	}
828		931
829	=cut	932	=head3 cf::client
830		933
831	#############################################################################	934	=over 4
		935
		936	=item $client->send_drawinfo ($text, $flags)
		937
		938	Sends a drawinfo packet to the client. Circumvents output buffering so
		939	should not be used under normal circumstances.
		940
		941	=cut
		942
		943	sub cf::client::send_drawinfo {
		944	my ($self, $text, $flags) = @_;
		945
		946	utf8::encode $text;
		947	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		948	}
		949
		950
		951	=item $success = $client->query ($flags, "text", \&cb)
		952
		953	Queues a query to the client, calling the given callback with
		954	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		955	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		956
		957	Queries can fail, so check the return code. Or don't, as queries will become
		958	reliable at some point in the future.
		959
		960	=cut
		961
		962	sub cf::client::query {
		963	my ($self, $flags, $text, $cb) = @_;
		964
		965	return unless $self->state == ST_PLAYING
		966	\|\| $self->state == ST_SETUP
		967	\|\| $self->state == ST_CUSTOM;
		968
		969	$self->state (ST_CUSTOM);
		970
		971	utf8::encode $text;
		972	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		973
		974	$self->send_packet ($self->{query_queue}[0][0])
		975	if @{ $self->{query_queue} } == 1;
		976	}
		977
		978	cf::client->attach (
		979	on_reply => sub {
		980	my ($ns, $msg) = @_;
		981
		982	# this weird shuffling is so that direct followup queries
		983	# get handled first
		984	my $queue = delete $ns->{query_queue};
		985
		986	(shift @$queue)->[1]->($msg);
		987
		988	push @{ $ns->{query_queue} }, @$queue;
		989
		990	if (@{ $ns->{query_queue} } == @$queue) {
		991	if (@$queue) {
		992	$ns->send_packet ($ns->{query_queue}[0][0]);
		993	} else {
		994	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		995	}
		996	}
		997	},
		998	);
		999
		1000	=item $client->coro (\&cb)
		1001
		1002	Create a new coroutine, running the specified callback. The coroutine will
		1003	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1004	or loss of connection).
		1005
		1006	=cut
		1007
		1008	sub cf::client::coro {
		1009	my ($self, $cb) = @_;
		1010
		1011	my $coro; $coro = async {
		1012	eval {
		1013	$cb->();
		1014	};
		1015	warn $@ if $@;
		1016	};
		1017
		1018	$coro->on_destroy (sub {
		1019	delete $self->{_coro}{$coro+0};
		1020	});
		1021
		1022	$self->{_coro}{$coro+0} = $coro;
		1023
		1024	$coro
		1025	}
		1026
		1027	cf::client->attach (
		1028	on_destroy => sub {
		1029	my ($ns) = @_;
		1030
		1031	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1032	},
		1033	);
		1034
		1035	=back
		1036
832		1037
833	=head2 SAFE SCRIPTING	1038	=head2 SAFE SCRIPTING
834		1039
835	Functions that provide a safe environment to compile and execute	1040	Functions that provide a safe environment to compile and execute
836	snippets of perl code without them endangering the safety of the server	1041	snippets of perl code without them endangering the safety of the server
…		…
1065	}	1270	}
1066		1271
1067	#############################################################################	1272	#############################################################################
1068	# initialisation	1273	# initialisation
1069		1274
1070	sub _perl_reload(&) {	1275	sub _perl_reload() {
1071	my ($msg) = @_;	1276	warn "reloading...";
1072
1073	$msg->("reloading...");
1074		1277
1075	eval {	1278	eval {
		1279	local $FREEZE = 1;
		1280
		1281	cf::emergency_save;
		1282
1076	# cancel all watchers	1283	# cancel all watchers
1077	for (Event::all_watchers) {	1284	for (Event::all_watchers) {
1078	$_->cancel if $_->data & WF_AUTOCANCEL;	1285	$_->cancel if $_->data & WF_AUTOCANCEL;
1079	}	1286	}
1080		1287
		1288	# cancel all extension coros
		1289	$_->cancel for values %EXT_CORO;
		1290	%EXT_CORO = ();
		1291
1081	# unload all extensions	1292	# unload all extensions
1082	for (@exts) {	1293	for (@exts) {
1083	$msg->("unloading <$_>");	1294	warn "unloading <$_>";
1084	unload_extension $_;	1295	unload_extension $_;
1085	}	1296	}
1086		1297
1087	# unload all modules loaded from $LIBDIR	1298	# unload all modules loaded from $LIBDIR
1088	while (my ($k, $v) = each %INC) {	1299	while (my ($k, $v) = each %INC) {
1089	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1300	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1090		1301
1091	$msg->("removing <$k>");	1302	warn "removing <$k>";
1092	delete $INC{$k};	1303	delete $INC{$k};
1093		1304
1094	$k =~ s/\.pm$//;	1305	$k =~ s/\.pm$//;
1095	$k =~ s/\//::/g;	1306	$k =~ s/\//::/g;
1096		1307
…		…
1101	Symbol::delete_package $k;	1312	Symbol::delete_package $k;
1102	}	1313	}
1103		1314
1104	# sync database to disk	1315	# sync database to disk
1105	cf::db_sync;	1316	cf::db_sync;
		1317	IO::AIO::flush;
1106		1318
1107	# get rid of safe::, as good as possible	1319	# get rid of safe::, as good as possible
1108	Symbol::delete_package "safe::$_"	1320	Symbol::delete_package "safe::$_"
1109	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1321	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1110		1322
1111	# remove register_script_function callbacks	1323	# remove register_script_function callbacks
1112	# TODO	1324	# TODO
1113		1325
1114	# unload cf.pm "a bit"	1326	# unload cf.pm "a bit"
…		…
1117	# don't, removes xs symbols, too,	1329	# don't, removes xs symbols, too,
1118	# and global variables created in xs	1330	# and global variables created in xs
1119	#Symbol::delete_package __PACKAGE__;	1331	#Symbol::delete_package __PACKAGE__;
1120		1332
1121	# reload cf.pm	1333	# reload cf.pm
1122	$msg->("reloading cf.pm");	1334	warn "reloading cf.pm";
1123	require cf;	1335	require cf;
		1336	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1124		1337
1125	# load config and database again	1338	# load config and database again
1126	cf::cfg_load;	1339	cf::cfg_load;
1127	cf::db_load;	1340	cf::db_load;
1128		1341
1129	# load extensions	1342	# load extensions
1130	$msg->("load extensions");	1343	warn "load extensions";
1131	cf::load_extensions;	1344	cf::load_extensions;
1132		1345
1133	# reattach attachments to objects	1346	# reattach attachments to objects
1134	$msg->("reattach");	1347	warn "reattach";
1135	_global_reattach;	1348	_global_reattach;
1136	};	1349	};
1137	$msg->($@) if $@;	1350	warn $@ if $@;
1138		1351
1139	$msg->("reloaded");	1352	warn "reloaded";
1140	};	1353	};
1141		1354
1142	sub perl_reload() {	1355	sub perl_reload() {
1143	_perl_reload {	1356	_perl_reload;
1144	warn $_[0];
1145	print "$_[0]\n";
1146	};
1147	}	1357	}
1148		1358
1149	register "<global>", __PACKAGE__;	1359	register "<global>", __PACKAGE__;
1150		1360
1151	register_command "perl-reload" => sub {	1361	register_command "perl-reload" => sub {
1152	my ($who, $arg) = @_;	1362	my ($who, $arg) = @_;
1153		1363
1154	if ($who->flag (FLAG_WIZ)) {	1364	if ($who->flag (FLAG_WIZ)) {
		1365	$who->message ("reloading...");
1155	_perl_reload {	1366	_perl_reload;
1156	warn $_[0];
1157	$who->message ($_[0]);
1158	};
1159	}	1367	}
1160	};	1368	};
1161		1369
1162	unshift @INC, $LIBDIR;	1370	unshift @INC, $LIBDIR;
1163		1371
1164	$TICK_WATCHER = Event->timer (	1372	$TICK_WATCHER = Event->timer (
		1373	reentrant => 0,
1165	prio => 0,	1374	prio => 0,
1166	at => $NEXT_TICK \|\| 1,	1375	at => $NEXT_TICK \|\| $TICK,
1167	data => WF_AUTOCANCEL,	1376	data => WF_AUTOCANCEL,
1168	cb => sub {	1377	cb => sub {
		1378	unless ($FREEZE) {
1169	cf::server_tick; # one server iteration	1379	cf::server_tick; # one server iteration
		1380	$RUNTIME += $TICK;
		1381	}
1170		1382
1171	my $NOW = Event::time;
1172	$NEXT_TICK += $TICK;	1383	$NEXT_TICK += $TICK;
1173		1384
1174	# if we are delayed by four ticks or more, skip them all	1385	# if we are delayed by four ticks or more, skip them all
1175	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1386	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1176		1387
1177	$TICK_WATCHER->at ($NEXT_TICK);	1388	$TICK_WATCHER->at ($NEXT_TICK);
1178	$TICK_WATCHER->start;	1389	$TICK_WATCHER->start;
1179	},	1390	},
1180	);	1391	);
…		…
1185	poll => 'r',	1396	poll => 'r',
1186	prio => 5,	1397	prio => 5,
1187	data => WF_AUTOCANCEL,	1398	data => WF_AUTOCANCEL,
1188	cb => \&IO::AIO::poll_cb);	1399	cb => \&IO::AIO::poll_cb);
1189		1400
		1401	# we must not ever block the main coroutine
		1402	$Coro::idle = sub {
		1403	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1404	warn "FATAL: Coro::idle was called, major BUG\n";
		1405	(Coro::unblock_sub {
		1406	Event::one_event;
		1407	})->();
		1408	};
		1409
1190	1	1410	1
1191		1411

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs. Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs.
Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC