[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 1.106 by root, Sun Dec 31 17:29:22 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 $_[0]
		177	}
		178
		179	=item cf::sync_job { BLOCK }
		180
		181	The design of crossfire+ requires that the main coro ($Coro::main) is
		182	always able to handle events or runnable, as crossfire+ is only partly
		183	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		184
		185	If it must be done, put the blocking parts into C<sync_job>. This will run
		186	the given BLOCK in another coroutine while waiting for the result. The
		187	server will be frozen during this time, so the block should either finish
		188	fast or be very important.
		189
		190	=cut
		191
		192	sub sync_job(&) {
		193	my ($job) = @_;
		194
		195	my $busy = 1;
		196	my @res;
		197
		198	# TODO: use suspend/resume instead
		199	local $FREEZE = 1;
		200
		201	my $coro = Coro::async {
		202	@res = eval { $job->() };
		203	warn $@ if $@;
		204	undef $busy;
		205	};
		206
		207	if ($Coro::current == $Coro::main) {
		208	$coro->prio (Coro::PRIO_MAX);
		209	while ($busy) {
		210	Coro::cede_notself;
		211	Event::one_event unless Coro::nready;
		212	}
		213	} else {
		214	$coro->join;
		215	}
		216
		217	wantarray ? @res : $res[0]
		218	}
		219
		220	=item $coro = cf::coro { BLOCK }
		221
		222	Creates and returns a new coro. This coro is automcatially being canceled
		223	when the extension calling this is being unloaded.
		224
		225	=cut
		226
		227	sub coro(&) {
		228	my $cb = shift;
		229
		230	my $coro; $coro = async {
		231	eval {
		232	$cb->();
		233	};
		234	warn $@ if $@;
		235	};
		236
		237	$coro->on_destroy (sub {
		238	delete $EXT_CORO{$coro+0};
		239	});
		240	$EXT_CORO{$coro+0} = $coro;
		241
		242	$coro
135	}	243	}
136		244
137	=back	245	=back
138		246
139	=cut	247	=cut
…		…
249	my ($self, $victim) = @_;	357	my ($self, $victim) = @_;
250	...	358	...
251	}	359	}
252	}	360	}
253		361
		362	=item $attachable->valid
		363
		364	Just because you have a perl object does not mean that the corresponding
		365	C-level object still exists. If you try to access an object that has no
		366	valid C counterpart anymore you get an exception at runtime. This method
		367	can be used to test for existence of the C object part without causing an
		368	exception.
		369
254	=cut	370	=cut
255		371
256	# the following variables are defined in .xs and must not be re-created	372	# the following variables are defined in .xs and must not be re-created
257	our @CB_GLOBAL = (); # registry for all global events	373	our @CB_GLOBAL = (); # registry for all global events
		374	our @CB_ATTACHABLE = (); # registry for all attachables
258	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	375	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
259	our @CB_PLAYER = ();	376	our @CB_PLAYER = ();
260	our @CB_CLIENT = ();	377	our @CB_CLIENT = ();
261	our @CB_TYPE = (); # registry for type (cf-object class) based events	378	our @CB_TYPE = (); # registry for type (cf-object class) based events
262	our @CB_MAP = ();	379	our @CB_MAP = ();
263		380
264	my %attachment;	381	my %attachment;
265		382
266	sub _attach_cb($$$$) {	383	sub _attach_cb($$$$) {
267	my ($registry, $event, $prio, $cb) = @_;	384	my ($registry, $event, $prio, $cb) = @_;
…		…
272		389
273	@{$registry->[$event]} = sort	390	@{$registry->[$event]} = sort
274	{ $a->[0] cmp $b->[0] }	391	{ $a->[0] cmp $b->[0] }
275	@{$registry->[$event] \|\| []}, $cb;	392	@{$registry->[$event] \|\| []}, $cb;
276	}	393	}
		394
		395	# hack
		396	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
277		397
278	# attach handles attaching event callbacks	398	# attach handles attaching event callbacks
279	# the only thing the caller has to do is pass the correct	399	# the only thing the caller has to do is pass the correct
280	# registry (== where the callback attaches to).	400	# registry (== where the callback attaches to).
281	sub _attach {	401	sub _attach {
…		…
283		403
284	my $object_type;	404	my $object_type;
285	my $prio = 0;	405	my $prio = 0;
286	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	406	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
287		407
		408	#TODO: get rid of this hack
		409	if ($attachable_klass{$klass}) {
		410	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		411	}
		412
288	while (@arg) {	413	while (@arg) {
289	my $type = shift @arg;	414	my $type = shift @arg;
290		415
291	if ($type eq "prio") {	416	if ($type eq "prio") {
292	$prio = shift @arg;	417	$prio = shift @arg;
…		…
367	my ($obj, $name) = @_;	492	my ($obj, $name) = @_;
368		493
369	exists $obj->{_attachment}{$name}	494	exists $obj->{_attachment}{$name}
370	}	495	}
371		496
372	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	497	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
373	eval "#line " . __LINE__ . " 'cf.pm'	498	eval "#line " . __LINE__ . " 'cf.pm'
374	sub cf::\L$klass\E::_attach_registry {	499	sub cf::\L$klass\E::_attach_registry {
375	(\\\@CB_$klass, KLASS_$klass)	500	(\\\@CB_$klass, KLASS_$klass)
376	}	501	}
377		502
…		…
413	}	538	}
414		539
415	0	540	0
416	}	541	}
417		542
418	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	543	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
419		544
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, ...)	545	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
425		546
426	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
427
428	Generate a global/object/player/map-specific event with the given arguments.	547	Generate an object-specific event with the given arguments.
429		548
430	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	549	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	550	removed in future versions), and there is no public API to access override
432	results (if you must, access C<@cf::invoke_results> directly).	551	results (if you must, access C<@cf::invoke_results> directly).
433		552
434	=back	553	=back
435		554
436	=cut	555	=cut
437		556
438	#############################################################################	557	#############################################################################
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	558	# object support
460		559
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 {	560	sub reattach {
		561	# basically do the same as instantiate, without calling instantiate
475	my ($obj) = @_;	562	my ($obj) = @_;
		563
476	my $registry = $obj->registry;	564	my $registry = $obj->registry;
477		565
478	@$registry = ();	566	@$registry = ();
479		567
480	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	568	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
…		…
489	warn "object uses attachment '$name' that is not available, postponing.\n";	577	warn "object uses attachment '$name' that is not available, postponing.\n";
490	}	578	}
491	}	579	}
492	}	580	}
493		581
494	sub object_freezer_save {	582	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	$$rdata . Dumper $objs
531	}
532
533	sub object_thawer_load {
534	my ($filename) = @_;
535
536	local $/;
537
538	my $av;
539
540	#TODO: use sysread etc.
541	if (open my $data, "<:raw:perlio", $filename) {
542	$data = <$data>;
543	if (open my $pst, "<:raw:perlio", "$filename.pst") {
544	$av = eval { (Storable::thaw <$pst>)->{objs} };
545	}
546	return ($data, $av);
547	}
548
549	()
550	}
551
552	cf::object->attach (
553	prio => -1000000,	583	prio => -1000000,
		584	on_instantiate => sub {
		585	my ($obj, $data) = @_;
		586
		587	$data = from_json $data;
		588
		589	for (@$data) {
		590	my ($name, $args) = @$_;
		591
		592	$obj->attach ($name, %{$args \|\| {} });
		593	}
		594	},
		595	on_reattach => \&reattach,
554	on_clone => sub {	596	on_clone => sub {
555	my ($src, $dst) = @_;	597	my ($src, $dst) = @_;
556		598
557	@{$dst->registry} = @{$src->registry};	599	@{$dst->registry} = @{$src->registry};
558		600
…		…
560		602
561	%{$dst->{_attachment}} = %{$src->{_attachment}}	603	%{$dst->{_attachment}} = %{$src->{_attachment}}
562	if exists $src->{_attachment};	604	if exists $src->{_attachment};
563	},	605	},
564	);	606	);
		607
		608	sub object_freezer_save {
		609	my ($filename, $rdata, $objs) = @_;
		610
		611	sync_job {
		612	if (length $$rdata) {
		613	warn sprintf "saving %s (%d,%d)\n",
		614	$filename, length $$rdata, scalar @$objs;
		615
		616	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		617	chmod SAVE_MODE, $fh;
		618	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		619	aio_fsync $fh;
		620	close $fh;
		621
		622	if (@$objs) {
		623	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		624	chmod SAVE_MODE, $fh;
		625	my $data = Storable::nfreeze { version => 1, objs => $objs };
		626	aio_write $fh, 0, (length $data), $data, 0;
		627	aio_fsync $fh;
		628	close $fh;
		629	aio_rename "$filename.pst~", "$filename.pst";
		630	}
		631	} else {
		632	aio_unlink "$filename.pst";
		633	}
		634
		635	aio_rename "$filename~", $filename;
		636	} else {
		637	warn "FATAL: $filename~: $!\n";
		638	}
		639	} else {
		640	aio_unlink $filename;
		641	aio_unlink "$filename.pst";
		642	}
		643	}
		644	}
		645
		646	sub object_freezer_as_string {
		647	my ($rdata, $objs) = @_;
		648
		649	use Data::Dumper;
		650
		651	$$rdata . Dumper $objs
		652	}
		653
		654	sub object_thawer_load {
		655	my ($filename) = @_;
		656
		657	my ($data, $av);
		658
		659	(aio_load $filename, $data) >= 0
		660	or return;
		661
		662	unless (aio_stat "$filename.pst") {
		663	(aio_load "$filename.pst", $av) >= 0
		664	or return;
		665	$av = eval { (Storable::thaw <$av>)->{objs} };
		666	}
		667
		668	return ($data, $av);
		669	}
565		670
566	#############################################################################	671	#############################################################################
567	# command handling &c	672	# command handling &c
568		673
569	=item cf::register_command $name => \&callback($ob,$args);	674	=item cf::register_command $name => \&callback($ob,$args);
…		…
758		863
759	=head2 CORE EXTENSIONS	864	=head2 CORE EXTENSIONS
760		865
761	Functions and methods that extend core crossfire objects.	866	Functions and methods that extend core crossfire objects.
762		867
		868	=head3 cf::player
		869
763	=over 4	870	=over 4
764		871
765	=item cf::player::exists $login	872	=item cf::player::exists $login
766		873
767	Returns true when the given account exists.	874	Returns true when the given account exists.
…		…
771	sub cf::player::exists($) {	878	sub cf::player::exists($) {
772	cf::player::find $_[0]	879	cf::player::find $_[0]
773	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
774	}	881	}
775		882
		883	=item $player->ext_reply ($msgid, $msgtype, %msg)
		884
		885	Sends an ext reply to the player.
		886
		887	=cut
		888
		889	sub cf::player::ext_reply($$$%) {
		890	my ($self, $id, %msg) = @_;
		891
		892	$msg{msgid} = $id;
		893
		894	$self->send ("ext " . to_json \%msg);
		895	}
		896
		897	=back
		898
		899	=head3 cf::object::player
		900
		901	=over 4
		902
776	=item $player_object->reply ($npc, $msg[, $flags])	903	=item $player_object->reply ($npc, $msg[, $flags])
777		904
778	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	905	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
779	can be C<undef>. Does the right thing when the player is currently in a	906	can be C<undef>. Does the right thing when the player is currently in a
780	dialogue with the given NPC character.	907	dialogue with the given NPC character.
781		908
782	=cut	909	=cut
783		910
784	# rough implementation of a future "reply" method that works	911	# rough implementation of a future "reply" method that works
785	# with dialog boxes.	912	# with dialog boxes.
		913	#TODO: the first argument must go, split into a $npc->reply_to ( method
786	sub cf::object::player::reply($$$;$) {	914	sub cf::object::player::reply($$$;$) {
787	my ($self, $npc, $msg, $flags) = @_;	915	my ($self, $npc, $msg, $flags) = @_;
788		916
789	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	917	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
790		918
…		…
794	$msg = $npc->name . " says: $msg" if $npc;	922	$msg = $npc->name . " says: $msg" if $npc;
795	$self->message ($msg, $flags);	923	$self->message ($msg, $flags);
796	}	924	}
797	}	925	}
798		926
799	=item $player->ext_reply ($msgid, $msgtype, %msg)
800
801	Sends an ext reply to the player.
802
803	=cut
804
805	sub cf::player::ext_reply($$$%) {
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")	927	=item $player_object->may ("access")
814		928
815	Returns wether the given player is authorized to access resource "access"	929	Returns wether the given player is authorized to access resource "access"
816	(e.g. "command_wizcast").	930	(e.g. "command_wizcast").
817		931
…		…
824	(ref $cf::CFG{"may_$access"}	938	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	940	: $cf::CFG{"may_$access"})
827	}	941	}
828		942
829	=cut	943	=head3 cf::client
830		944
831	#############################################################################	945	=over 4
		946
		947	=item $client->send_drawinfo ($text, $flags)
		948
		949	Sends a drawinfo packet to the client. Circumvents output buffering so
		950	should not be used under normal circumstances.
		951
		952	=cut
		953
		954	sub cf::client::send_drawinfo {
		955	my ($self, $text, $flags) = @_;
		956
		957	utf8::encode $text;
		958	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		959	}
		960
		961
		962	=item $success = $client->query ($flags, "text", \&cb)
		963
		964	Queues a query to the client, calling the given callback with
		965	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		966	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		967
		968	Queries can fail, so check the return code. Or don't, as queries will become
		969	reliable at some point in the future.
		970
		971	=cut
		972
		973	sub cf::client::query {
		974	my ($self, $flags, $text, $cb) = @_;
		975
		976	return unless $self->state == ST_PLAYING
		977	\|\| $self->state == ST_SETUP
		978	\|\| $self->state == ST_CUSTOM;
		979
		980	$self->state (ST_CUSTOM);
		981
		982	utf8::encode $text;
		983	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		984
		985	$self->send_packet ($self->{query_queue}[0][0])
		986	if @{ $self->{query_queue} } == 1;
		987	}
		988
		989	cf::client->attach (
		990	on_reply => sub {
		991	my ($ns, $msg) = @_;
		992
		993	# this weird shuffling is so that direct followup queries
		994	# get handled first
		995	my $queue = delete $ns->{query_queue};
		996
		997	(shift @$queue)->[1]->($msg);
		998
		999	push @{ $ns->{query_queue} }, @$queue;
		1000
		1001	if (@{ $ns->{query_queue} } == @$queue) {
		1002	if (@$queue) {
		1003	$ns->send_packet ($ns->{query_queue}[0][0]);
		1004	} else {
		1005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1006	}
		1007	}
		1008	},
		1009	);
		1010
		1011	=item $client->coro (\&cb)
		1012
		1013	Create a new coroutine, running the specified callback. The coroutine will
		1014	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1015	or loss of connection).
		1016
		1017	=cut
		1018
		1019	sub cf::client::coro {
		1020	my ($self, $cb) = @_;
		1021
		1022	my $coro; $coro = async {
		1023	eval {
		1024	$cb->();
		1025	};
		1026	warn $@ if $@;
		1027	};
		1028
		1029	$coro->on_destroy (sub {
		1030	delete $self->{_coro}{$coro+0};
		1031	});
		1032
		1033	$self->{_coro}{$coro+0} = $coro;
		1034
		1035	$coro
		1036	}
		1037
		1038	cf::client->attach (
		1039	on_destroy => sub {
		1040	my ($ns) = @_;
		1041
		1042	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1043	},
		1044	);
		1045
		1046	=back
		1047
832		1048
833	=head2 SAFE SCRIPTING	1049	=head2 SAFE SCRIPTING
834		1050
835	Functions that provide a safe environment to compile and execute	1051	Functions that provide a safe environment to compile and execute
836	snippets of perl code without them endangering the safety of the server	1052	snippets of perl code without them endangering the safety of the server
…		…
1065	}	1281	}
1066		1282
1067	#############################################################################	1283	#############################################################################
1068	# initialisation	1284	# initialisation
1069		1285
1070	sub _perl_reload(&) {	1286	sub _perl_reload() {
1071	my ($msg) = @_;	1287	# can/must only be called in main
		1288	if ($Coro::current != $Coro::main) {
		1289	warn "can only reload from main coroutine\n";
		1290	return;
		1291	}
1072		1292
1073	$msg->("reloading...");	1293	warn "reloading...";
		1294
		1295	local $FREEZE = 1;
		1296	cf::emergency_save;
1074		1297
1075	eval {	1298	eval {
		1299	# if anything goes wrong in here, we should simply crash as we already saved
		1300
1076	# cancel all watchers	1301	# cancel all watchers
1077	for (Event::all_watchers) {	1302	for (Event::all_watchers) {
1078	$_->cancel if $_->data & WF_AUTOCANCEL;	1303	$_->cancel if $_->data & WF_AUTOCANCEL;
1079	}	1304	}
1080		1305
		1306	# cancel all extension coros
		1307	$_->cancel for values %EXT_CORO;
		1308	%EXT_CORO = ();
		1309
1081	# unload all extensions	1310	# unload all extensions
1082	for (@exts) {	1311	for (@exts) {
1083	$msg->("unloading <$_>");	1312	warn "unloading <$_>";
1084	unload_extension $_;	1313	unload_extension $_;
1085	}	1314	}
1086		1315
1087	# unload all modules loaded from $LIBDIR	1316	# unload all modules loaded from $LIBDIR
1088	while (my ($k, $v) = each %INC) {	1317	while (my ($k, $v) = each %INC) {
1089	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1090		1319
1091	$msg->("removing <$k>");	1320	warn "removing <$k>";
1092	delete $INC{$k};	1321	delete $INC{$k};
1093		1322
1094	$k =~ s/\.pm$//;	1323	$k =~ s/\.pm$//;
1095	$k =~ s/\//::/g;	1324	$k =~ s/\//::/g;
1096		1325
…		…
1101	Symbol::delete_package $k;	1330	Symbol::delete_package $k;
1102	}	1331	}
1103		1332
1104	# sync database to disk	1333	# sync database to disk
1105	cf::db_sync;	1334	cf::db_sync;
		1335	IO::AIO::flush;
1106		1336
1107	# get rid of safe::, as good as possible	1337	# get rid of safe::, as good as possible
1108	Symbol::delete_package "safe::$_"	1338	Symbol::delete_package "safe::$_"
1109	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1110		1340
1111	# remove register_script_function callbacks	1341	# remove register_script_function callbacks
1112	# TODO	1342	# TODO
1113		1343
1114	# unload cf.pm "a bit"	1344	# unload cf.pm "a bit"
…		…
1117	# don't, removes xs symbols, too,	1347	# don't, removes xs symbols, too,
1118	# and global variables created in xs	1348	# and global variables created in xs
1119	#Symbol::delete_package __PACKAGE__;	1349	#Symbol::delete_package __PACKAGE__;
1120		1350
1121	# reload cf.pm	1351	# reload cf.pm
1122	$msg->("reloading cf.pm");	1352	warn "reloading cf.pm";
1123	require cf;	1353	require cf;
		1354	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1124		1355
1125	# load config and database again	1356	# load config and database again
1126	cf::cfg_load;	1357	cf::cfg_load;
1127	cf::db_load;	1358	cf::db_load;
1128		1359
1129	# load extensions	1360	# load extensions
1130	$msg->("load extensions");	1361	warn "load extensions";
1131	cf::load_extensions;	1362	cf::load_extensions;
1132		1363
1133	# reattach attachments to objects	1364	# reattach attachments to objects
1134	$msg->("reattach");	1365	warn "reattach";
1135	_global_reattach;	1366	_global_reattach;
1136	};	1367	};
1137	$msg->($@) if $@;
1138		1368
1139	$msg->("reloaded");	1369	if ($@) {
		1370	warn $@;
		1371	warn "error while reloading, exiting.";
		1372	exit 1;
		1373	}
		1374
		1375	warn "reloaded successfully";
1140	};	1376	};
1141		1377
1142	sub perl_reload() {	1378	sub perl_reload() {
1143	_perl_reload {	1379	_perl_reload;
1144	warn $_[0];
1145	print "$_[0]\n";
1146	};
1147	}	1380	}
1148		1381
1149	register "<global>", __PACKAGE__;	1382	register "<global>", __PACKAGE__;
1150		1383
1151	register_command "perl-reload" => sub {	1384	register_command "perl-reload" => sub {
1152	my ($who, $arg) = @_;	1385	my ($who, $arg) = @_;
1153		1386
1154	if ($who->flag (FLAG_WIZ)) {	1387	if ($who->flag (FLAG_WIZ)) {
		1388	$who->message ("reloading...");
1155	_perl_reload {	1389	_perl_reload;
1156	warn $_[0];
1157	$who->message ($_[0]);
1158	};
1159	}	1390	}
1160	};	1391	};
1161		1392
1162	unshift @INC, $LIBDIR;	1393	unshift @INC, $LIBDIR;
1163		1394
1164	$TICK_WATCHER = Event->timer (	1395	$TICK_WATCHER = Event->timer (
		1396	reentrant => 0,
1165	prio => 0,	1397	prio => 0,
1166	at => $NEXT_TICK \|\| 1,	1398	at => $NEXT_TICK \|\| $TICK,
1167	data => WF_AUTOCANCEL,	1399	data => WF_AUTOCANCEL,
1168	cb => sub {	1400	cb => sub {
		1401	unless ($FREEZE) {
1169	cf::server_tick; # one server iteration	1402	cf::server_tick; # one server iteration
		1403	$RUNTIME += $TICK;
		1404	}
1170		1405
1171	my $NOW = Event::time;
1172	$NEXT_TICK += $TICK;	1406	$NEXT_TICK += $TICK;
1173		1407
1174	# if we are delayed by four ticks or more, skip them all	1408	# if we are delayed by four ticks or more, skip them all
1175	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1409	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1176		1410
1177	$TICK_WATCHER->at ($NEXT_TICK);	1411	$TICK_WATCHER->at ($NEXT_TICK);
1178	$TICK_WATCHER->start;	1412	$TICK_WATCHER->start;
1179	},	1413	},
1180	);	1414	);
…		…
1185	poll => 'r',	1419	poll => 'r',
1186	prio => 5,	1420	prio => 5,
1187	data => WF_AUTOCANCEL,	1421	data => WF_AUTOCANCEL,
1188	cb => \&IO::AIO::poll_cb);	1422	cb => \&IO::AIO::poll_cb);
1189		1423
		1424	# we must not ever block the main coroutine
		1425	$Coro::idle = sub {
		1426	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1427	warn "FATAL: Coro::idle was called, major BUG\n";
		1428	(Coro::unblock_sub {
		1429	Event::one_event;
		1430	})->();
		1431	};
		1432
1190	1	1433	1
1191		1434

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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 1.106 by root, Sun Dec 31 17:29:22 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 1.106 by root, Sun Dec 31 17:29:22 2006 UTC