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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.93 by root, Thu Dec 21 22:41:35 2006 UTC vs.
Revision 1.104 by root, Sat Dec 30 16:56:16 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
10	use IO::AIO ();	19	use IO::AIO 2.3;
11	use YAML::Syck ();	20	use YAML::Syck ();
12	use Time::HiRes;	21	use Time::HiRes;
13	use Event;	22
14	$Event::Eval = 1; # no idea why this is required, but it is	23	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		24
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	26	$YAML::Syck::ImplicitUnicode = 1;
18		27
19	use strict;	28	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		29
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		31
23	our %COMMAND = ();	32	our %COMMAND = ();
24	our %COMMAND_TIME = ();	33	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	34	our %EXTCMD = ();
26		35
27	_init_vars;
28
29	our @EVENT;	36	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	37	our $LIBDIR = datadir . "/ext";
31		38
32	our $TICK = MAX_TIME * 1e-6;	39	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	40	our $TICK_WATCHER;
34	our $NEXT_TICK;	41	our $NEXT_TICK;
		42	our $NOW;
35		43
36	our %CFG;	44	our %CFG;
37		45
38	our $UPTIME; $UPTIME \|\|= time;	46	our $UPTIME; $UPTIME \|\|= time;
		47	our $RUNTIME;
		48
		49	our %MAP; # all maps
		50	our $LINK_MAP; # the special {link} map
		51	our $FREEZE;
		52
		53	binmode STDOUT;
		54	binmode STDERR;
		55
		56	# read virtual server time, if available
		57	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		58	open my $fh, "<", cf::localdir . "/runtime"
		59	or die "unable to read runtime file: $!";
		60	$RUNTIME = <$fh> + 0.;
		61	}
		62
		63	mkdir cf::localdir;
		64	mkdir cf::localdir . "/" . cf::playerdir;
		65	mkdir cf::localdir . "/" . cf::tmpdir;
		66	mkdir cf::localdir . "/" . cf::uniquedir;
		67
		68	our %EXT_CORO;
39		69
40	#############################################################################	70	#############################################################################
41		71
42	=head2 GLOBAL VARIABLES	72	=head2 GLOBAL VARIABLES
43		73
44	=over 4	74	=over 4
45		75
46	=item $cf::UPTIME	76	=item $cf::UPTIME
47		77
48	The timestamp of the server start (so not actually an uptime).	78	The timestamp of the server start (so not actually an uptime).
		79
		80	=item $cf::RUNTIME
		81
		82	The time this server has run, starts at 0 and is increased by $cf::TICK on
		83	every server tick.
49		84
50	=item $cf::LIBDIR	85	=item $cf::LIBDIR
51		86
52	The perl library directory, where extensions and cf-specific modules can	87	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	88	be found. It will be added to C<@INC> automatically.
		89
		90	=item $cf::NOW
		91
		92	The time of the last (current) server tick.
54		93
55	=item $cf::TICK	94	=item $cf::TICK
56		95
57	The interval between server ticks, in seconds.	96	The interval between server ticks, in seconds.
58		97
66	=cut	105	=cut
67		106
68	BEGIN {	107	BEGIN {
69	*CORE::GLOBAL::warn = sub {	108	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	109	my $msg = join "", @_;
		110	utf8::encode $msg;
		111
71	$msg .= "\n"	112	$msg .= "\n"
72	unless $msg =~ /\n$/;	113	unless $msg =~ /\n$/;
73		114
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	115	LOG llevError, "cfperl: $msg";
76	};	116	};
77	}	117	}
78		118
79	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	119	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
84	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	124	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
85		125
86	# we bless all objects into (empty) derived classes to force a method lookup	126	# we bless all objects into (empty) derived classes to force a method lookup
87	# within the Safe compartment.	127	# within the Safe compartment.
88	for my $pkg (qw(	128	for my $pkg (qw(
89	cf::global	129	cf::global cf::attachable
90	cf::object cf::object::player	130	cf::object cf::object::player
91	cf::client cf::player	131	cf::client cf::player
92	cf::arch cf::living	132	cf::arch cf::living
93	cf::map cf::party cf::region	133	cf::map cf::party cf::region
94	)) {	134	)) {
…		…
132	sub to_json($) {	172	sub to_json($) {
133	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	173	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
134	JSON::Syck::Dump $_[0]	174	JSON::Syck::Dump $_[0]
135	}	175	}
136		176
		177	=item $coro = cf::coro { BLOCK }
		178
		179	Creates and returns a new coro. This coro is automcatially being canceled
		180	when the extension calling this is being unloaded.
		181
		182	=cut
		183
		184	sub coro(&) {
		185	my $cb = shift;
		186
		187	my $coro; $coro = async {
		188	eval {
		189	$cb->();
		190	};
		191	warn $@ if $@;
		192	};
		193
		194	$coro->on_destroy (sub {
		195	delete $EXT_CORO{$coro+0};
		196	});
		197	$EXT_CORO{$coro+0} = $coro;
		198
		199	$coro
		200	}
		201
137	=back	202	=back
138		203
139	=cut	204	=cut
140		205
141	#############################################################################	206	#############################################################################
142		207
143	=head2 ATTACHABLE OBJECTS	208	=head2 ATTACHABLE OBJECTS
144		209
145	You can define and attach attachments to each "attachable" object in	210	Many objects in crossfire are so-called attachable objects. That means you can
146	crossfire+ (objects, players, clients, maps and the special "global"	211	attach callbacks/event handlers (a collection of which is called an "attachment")
		212	to it. All such attachable objects support the following methods.
		213
147	class). In the following description, CLASS can be any of C<global>,	214	In the following description, CLASS can be any of C<global>, C<object>
148	C<object> C<player>, C<client> or C<map>.	215	C<player>, C<client> or C<map> (i.e. the attachable objects in
		216	crossfire+).
149		217
150	=over 4	218	=over 4
151		219
		220	=item $attachable->attach ($attachment, key => $value...)
		221
		222	=item $attachable->detach ($attachment)
		223
		224	Attach/detach a pre-registered attachment to a specific object and give it
		225	the specified key/value pairs as arguments.
		226
		227	Example, attach a minesweeper attachment to the given object, making it a
		228	10x10 minesweeper game:
		229
		230	$obj->attach (minesweeper => width => 10, height => 10);
		231
		232	=item $bool = $attachable->attached ($name)
		233
		234	Checks wether the named attachment is currently attached to the object.
		235
		236	=item cf::CLASS->attach ...
		237
		238	=item cf::CLASS->detach ...
		239
		240	Define an anonymous attachment and attach it to all objects of the given
		241	CLASS. See the next function for an explanation of its arguments.
		242
		243	You can attach to global events by using the C<cf::global> class.
		244
		245	Example, log all player logins:
		246
		247	cf::player->attach (
		248	on_login => sub {
		249	my ($pl) = @_;
		250	...
		251	},
		252	);
		253
		254	Example, attach to the jeweler skill:
		255
		256	cf::object->attach (
		257	type => cf::SKILL,
		258	subtype => cf::SK_JEWELER,
		259	on_use_skill => sub {
		260	my ($sk, $ob, $part, $dir, $msg) = @_;
		261	...
		262	},
		263	);
		264
152	=item cf::CLASS::attachment $name, ...	265	=item cf::CLASS::attachment $name, ...
153		266
154	Register an attachment by name through which attachable objects can refer	267	Register an attachment by C<$name> through which attachable objects of the
155	to this attachment.	268	given CLASS can refer to this attachment.
156		269
157	=item $bool = $attachable->attached ($name)	270	Some classes such as crossfire maps and objects can specify attachments
		271	that are attached at load/instantiate time, thus the need for a name.
158		272
159	Checks wether the named attachment is currently attached to the object.
160
161	=item $attachable->attach ($attachment, key => $value...)
162
163	=item $attachable->detach ($attachment)
164
165	Attach/detach a pre-registered attachment either to a specific object
166	(C<$attachable>) or all objects of the given class (if C<$attachable> is a
167	class in a static method call).
168
169	You can attach to global events by using the C<cf::global> class.
170
171	These method calls expect any number of the following handler/hook	273	These calls expect any number of the following handler/hook descriptions:
172	descriptions:
173		274
174	=over 4	275	=over 4
175		276
176	=item prio => $number	277	=item prio => $number
177		278
…		…
203	package and register them. Only handlers for eevents supported by the	304	package and register them. Only handlers for eevents supported by the
204	object/class are recognised.	305	object/class are recognised.
205		306
206	=back	307	=back
207		308
		309	Example, define an attachment called "sockpuppet" that calls the given
		310	event handler when a monster attacks:
		311
		312	cf::object::attachment sockpuppet =>
		313	on_skill_attack => sub {
		314	my ($self, $victim) = @_;
		315	...
		316	}
		317	}
		318
		319	=item $attachable->valid
		320
		321	Just because you have a perl object does not mean that the corresponding
		322	C-level object still exists. If you try to access an object that has no
		323	valid C counterpart anymore you get an exception at runtime. This method
		324	can be used to test for existence of the C object part without causing an
		325	exception.
		326
208	=cut	327	=cut
209		328
210	# the following variables are defined in .xs and must not be re-created	329	# the following variables are defined in .xs and must not be re-created
211	our @CB_GLOBAL = (); # registry for all global events	330	our @CB_GLOBAL = (); # registry for all global events
		331	our @CB_ATTACHABLE = (); # registry for all attachables
212	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	332	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
213	our @CB_PLAYER = ();	333	our @CB_PLAYER = ();
214	our @CB_CLIENT = ();	334	our @CB_CLIENT = ();
215	our @CB_TYPE = (); # registry for type (cf-object class) based events	335	our @CB_TYPE = (); # registry for type (cf-object class) based events
216	our @CB_MAP = ();	336	our @CB_MAP = ();
217		337
218	my %attachment;	338	my %attachment;
219		339
220	sub _attach_cb($$$$) {	340	sub _attach_cb($$$$) {
221	my ($registry, $event, $prio, $cb) = @_;	341	my ($registry, $event, $prio, $cb) = @_;
…		…
226		346
227	@{$registry->[$event]} = sort	347	@{$registry->[$event]} = sort
228	{ $a->[0] cmp $b->[0] }	348	{ $a->[0] cmp $b->[0] }
229	@{$registry->[$event] \|\| []}, $cb;	349	@{$registry->[$event] \|\| []}, $cb;
230	}	350	}
		351
		352	# hack
		353	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
231		354
232	# attach handles attaching event callbacks	355	# attach handles attaching event callbacks
233	# the only thing the caller has to do is pass the correct	356	# the only thing the caller has to do is pass the correct
234	# registry (== where the callback attaches to).	357	# registry (== where the callback attaches to).
235	sub _attach {	358	sub _attach {
…		…
237		360
238	my $object_type;	361	my $object_type;
239	my $prio = 0;	362	my $prio = 0;
240	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	363	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
241		364
		365	#TODO: get rid of this hack
		366	if ($attachable_klass{$klass}) {
		367	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		368	}
		369
242	while (@arg) {	370	while (@arg) {
243	my $type = shift @arg;	371	my $type = shift @arg;
244		372
245	if ($type eq "prio") {	373	if ($type eq "prio") {
246	$prio = shift @arg;	374	$prio = shift @arg;
…		…
321	my ($obj, $name) = @_;	449	my ($obj, $name) = @_;
322		450
323	exists $obj->{_attachment}{$name}	451	exists $obj->{_attachment}{$name}
324	}	452	}
325		453
326	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	454	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
327	eval "#line " . __LINE__ . " 'cf.pm'	455	eval "#line " . __LINE__ . " 'cf.pm'
328	sub cf::\L$klass\E::_attach_registry {	456	sub cf::\L$klass\E::_attach_registry {
329	(\\\@CB_$klass, KLASS_$klass)	457	(\\\@CB_$klass, KLASS_$klass)
330	}	458	}
331		459
…		…
367	}	495	}
368		496
369	0	497	0
370	}	498	}
371		499
372	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	500	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
373		501
374	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
375
376	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
377
378	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)	502	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
379		503
380	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
381
382	Generate a global/object/player/map-specific event with the given arguments.	504	Generate an object-specific event with the given arguments.
383		505
384	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	506	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
385	removed in future versions), and there is no public API to access override	507	removed in future versions), and there is no public API to access override
386	results (if you must, access C<@cf::invoke_results> directly).	508	results (if you must, access C<@cf::invoke_results> directly).
387		509
388	=back	510	=back
389		511
390	=cut	512	=cut
391		513
392	#############################################################################	514	#############################################################################
393
394	=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
395
396	Attachable objects includes objects, players, clients and maps.
397
398	=over 4
399
400	=item $object->valid
401
402	Just because you have a perl object does not mean that the corresponding
403	C-level object still exists. If you try to access an object that has no
404	valid C counterpart anymore you get an exception at runtime. This method
405	can be used to test for existence of the C object part without causing an
406	exception.
407
408	=back
409
410	=cut
411
412	#############################################################################
413	# object support	515	# object support
414		516
415	sub instantiate {
416	my ($obj, $data) = @_;
417
418	$data = from_json $data;
419
420	for (@$data) {
421	my ($name, $args) = @$_;
422
423	$obj->attach ($name, %{$args \|\| {} });
424	}
425	}
426
427	# basically do the same as instantiate, without calling instantiate
428	sub reattach {	517	sub reattach {
		518	# basically do the same as instantiate, without calling instantiate
429	my ($obj) = @_;	519	my ($obj) = @_;
		520
430	my $registry = $obj->registry;	521	my $registry = $obj->registry;
431		522
432	@$registry = ();	523	@$registry = ();
433		524
434	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	525	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
…		…
443	warn "object uses attachment '$name' that is not available, postponing.\n";	534	warn "object uses attachment '$name' that is not available, postponing.\n";
444	}	535	}
445	}	536	}
446	}	537	}
447		538
		539	cf::attachable->attach (
		540	prio => -1000000,
		541	on_instantiate => sub {
		542	my ($obj, $data) = @_;
		543
		544	$data = from_json $data;
		545
		546	for (@$data) {
		547	my ($name, $args) = @$_;
		548
		549	$obj->attach ($name, %{$args \|\| {} });
		550	}
		551	},
		552	on_reattach => \&reattach,
		553	on_clone => sub {
		554	my ($src, $dst) = @_;
		555
		556	@{$dst->registry} = @{$src->registry};
		557
		558	%$dst = %$src;
		559
		560	%{$dst->{_attachment}} = %{$src->{_attachment}}
		561	if exists $src->{_attachment};
		562	},
		563	);
		564
448	sub object_freezer_save {	565	sub object_freezer_save {
449	my ($filename, $rdata, $objs) = @_;	566	my ($filename, $rdata, $objs) = @_;
450		567
451	if (length $$rdata) {	568	if (length $$rdata) {
452	warn sprintf "saving %s (%d,%d)\n",	569	warn sprintf "saving %s (%d,%d)\n",
…		…
501	}	618	}
502		619
503	()	620	()
504	}	621	}
505		622
506	cf::object->attach (
507	prio => -1000000,
508	on_clone => sub {
509	my ($src, $dst) = @_;
510
511	@{$dst->registry} = @{$src->registry};
512
513	%$dst = %$src;
514
515	%{$dst->{_attachment}} = %{$src->{_attachment}}
516	if exists $src->{_attachment};
517	},
518	);
519
520	#############################################################################	623	#############################################################################
521	# command handling &c	624	# command handling &c
522		625
523	=item cf::register_command $name => \&callback($ob,$args);	626	=item cf::register_command $name => \&callback($ob,$args);
524		627
…		…
712		815
713	=head2 CORE EXTENSIONS	816	=head2 CORE EXTENSIONS
714		817
715	Functions and methods that extend core crossfire objects.	818	Functions and methods that extend core crossfire objects.
716		819
		820	=head3 cf::player
		821
717	=over 4	822	=over 4
718		823
719	=item cf::player::exists $login	824	=item cf::player::exists $login
720		825
721	Returns true when the given account exists.	826	Returns true when the given account exists.
…		…
725	sub cf::player::exists($) {	830	sub cf::player::exists($) {
726	cf::player::find $_[0]	831	cf::player::find $_[0]
727	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	832	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
728	}	833	}
729		834
		835	=item $player->ext_reply ($msgid, $msgtype, %msg)
		836
		837	Sends an ext reply to the player.
		838
		839	=cut
		840
		841	sub cf::player::ext_reply($$$%) {
		842	my ($self, $id, %msg) = @_;
		843
		844	$msg{msgid} = $id;
		845
		846	$self->send ("ext " . to_json \%msg);
		847	}
		848
		849	=back
		850
		851	=head3 cf::object::player
		852
		853	=over 4
		854
730	=item $player_object->reply ($npc, $msg[, $flags])	855	=item $player_object->reply ($npc, $msg[, $flags])
731		856
732	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	857	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
733	can be C<undef>. Does the right thing when the player is currently in a	858	can be C<undef>. Does the right thing when the player is currently in a
734	dialogue with the given NPC character.	859	dialogue with the given NPC character.
735		860
736	=cut	861	=cut
737		862
738	# rough implementation of a future "reply" method that works	863	# rough implementation of a future "reply" method that works
739	# with dialog boxes.	864	# with dialog boxes.
		865	#TODO: the first argument must go, split into a $npc->reply_to ( method
740	sub cf::object::player::reply($$$;$) {	866	sub cf::object::player::reply($$$;$) {
741	my ($self, $npc, $msg, $flags) = @_;	867	my ($self, $npc, $msg, $flags) = @_;
742		868
743	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	869	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
744		870
…		…
748	$msg = $npc->name . " says: $msg" if $npc;	874	$msg = $npc->name . " says: $msg" if $npc;
749	$self->message ($msg, $flags);	875	$self->message ($msg, $flags);
750	}	876	}
751	}	877	}
752		878
753	=item $player->ext_reply ($msgid, $msgtype, %msg)
754
755	Sends an ext reply to the player.
756
757	=cut
758
759	sub cf::player::ext_reply($$$%) {
760	my ($self, $id, %msg) = @_;
761
762	$msg{msgid} = $id;
763
764	$self->send ("ext " . to_json \%msg);
765	}
766
767	=item $player_object->may ("access")	879	=item $player_object->may ("access")
768		880
769	Returns wether the given player is authorized to access resource "access"	881	Returns wether the given player is authorized to access resource "access"
770	(e.g. "command_wizcast").	882	(e.g. "command_wizcast").
771		883
…		…
778	(ref $cf::CFG{"may_$access"}	890	(ref $cf::CFG{"may_$access"}
779	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	891	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
780	: $cf::CFG{"may_$access"})	892	: $cf::CFG{"may_$access"})
781	}	893	}
782		894
783	=cut	895	=head3 cf::client
784		896
785	#############################################################################	897	=over 4
		898
		899	=item $client->send_drawinfo ($text, $flags)
		900
		901	Sends a drawinfo packet to the client. Circumvents output buffering so
		902	should not be used under normal circumstances.
		903
		904	=cut
		905
		906	sub cf::client::send_drawinfo {
		907	my ($self, $text, $flags) = @_;
		908
		909	utf8::encode $text;
		910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		911	}
		912
		913
		914	=item $success = $client->query ($flags, "text", \&cb)
		915
		916	Queues a query to the client, calling the given callback with
		917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		919
		920	Queries can fail, so check the return code. Or don't, as queries will become
		921	reliable at some point in the future.
		922
		923	=cut
		924
		925	sub cf::client::query {
		926	my ($self, $flags, $text, $cb) = @_;
		927
		928	return unless $self->state == ST_PLAYING
		929	\|\| $self->state == ST_SETUP
		930	\|\| $self->state == ST_CUSTOM;
		931
		932	$self->state (ST_CUSTOM);
		933
		934	utf8::encode $text;
		935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		936
		937	$self->send_packet ($self->{query_queue}[0][0])
		938	if @{ $self->{query_queue} } == 1;
		939	}
		940
		941	cf::client->attach (
		942	on_reply => sub {
		943	my ($ns, $msg) = @_;
		944
		945	# this weird shuffling is so that direct followup queries
		946	# get handled first
		947	my $queue = delete $ns->{query_queue};
		948
		949	(shift @$queue)->[1]->($msg);
		950
		951	push @{ $ns->{query_queue} }, @$queue;
		952
		953	if (@{ $ns->{query_queue} } == @$queue) {
		954	if (@$queue) {
		955	$ns->send_packet ($ns->{query_queue}[0][0]);
		956	} else {
		957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		958	}
		959	}
		960	},
		961	);
		962
		963	=item $client->coro (\&cb)
		964
		965	Create a new coroutine, running the specified callback. The coroutine will
		966	be automatically cancelled when the client gets destroyed (e.g. on logout,
		967	or loss of connection).
		968
		969	=cut
		970
		971	sub cf::client::coro {
		972	my ($self, $cb) = @_;
		973
		974	my $coro; $coro = async {
		975	eval {
		976	$cb->();
		977	};
		978	warn $@ if $@;
		979	};
		980
		981	$coro->on_destroy (sub {
		982	delete $self->{_coro}{$coro+0};
		983	});
		984
		985	$self->{_coro}{$coro+0} = $coro;
		986
		987	$coro
		988	}
		989
		990	cf::client->attach (
		991	on_destroy => sub {
		992	my ($ns) = @_;
		993
		994	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		995	},
		996	);
		997
		998	=back
		999
786		1000
787	=head2 SAFE SCRIPTING	1001	=head2 SAFE SCRIPTING
788		1002
789	Functions that provide a safe environment to compile and execute	1003	Functions that provide a safe environment to compile and execute
790	snippets of perl code without them endangering the safety of the server	1004	snippets of perl code without them endangering the safety of the server
…		…
1019	}	1233	}
1020		1234
1021	#############################################################################	1235	#############################################################################
1022	# initialisation	1236	# initialisation
1023		1237
1024	sub _perl_reload(&) {	1238	sub _perl_reload() {
1025	my ($msg) = @_;	1239	warn "reloading...";
1026
1027	$msg->("reloading...");
1028		1240
1029	eval {	1241	eval {
		1242	local $FREEZE = 1;
		1243
		1244	cf::emergency_save;
		1245
1030	# cancel all watchers	1246	# cancel all watchers
1031	for (Event::all_watchers) {	1247	for (Event::all_watchers) {
1032	$_->cancel if $_->data & WF_AUTOCANCEL;	1248	$_->cancel if $_->data & WF_AUTOCANCEL;
1033	}	1249	}
1034		1250
		1251	# cancel all extension coros
		1252	$_->cancel for values %EXT_CORO;
		1253	%EXT_CORO = ();
		1254
1035	# unload all extensions	1255	# unload all extensions
1036	for (@exts) {	1256	for (@exts) {
1037	$msg->("unloading <$_>");	1257	warn "unloading <$_>";
1038	unload_extension $_;	1258	unload_extension $_;
1039	}	1259	}
1040		1260
1041	# unload all modules loaded from $LIBDIR	1261	# unload all modules loaded from $LIBDIR
1042	while (my ($k, $v) = each %INC) {	1262	while (my ($k, $v) = each %INC) {
1043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1044		1264
1045	$msg->("removing <$k>");	1265	warn "removing <$k>";
1046	delete $INC{$k};	1266	delete $INC{$k};
1047		1267
1048	$k =~ s/\.pm$//;	1268	$k =~ s/\.pm$//;
1049	$k =~ s/\//::/g;	1269	$k =~ s/\//::/g;
1050		1270
…		…
1055	Symbol::delete_package $k;	1275	Symbol::delete_package $k;
1056	}	1276	}
1057		1277
1058	# sync database to disk	1278	# sync database to disk
1059	cf::db_sync;	1279	cf::db_sync;
		1280	IO::AIO::flush;
1060		1281
1061	# get rid of safe::, as good as possible	1282	# get rid of safe::, as good as possible
1062	Symbol::delete_package "safe::$_"	1283	Symbol::delete_package "safe::$_"
1063	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1284	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1064		1285
1065	# remove register_script_function callbacks	1286	# remove register_script_function callbacks
1066	# TODO	1287	# TODO
1067		1288
1068	# unload cf.pm "a bit"	1289	# unload cf.pm "a bit"
…		…
1071	# don't, removes xs symbols, too,	1292	# don't, removes xs symbols, too,
1072	# and global variables created in xs	1293	# and global variables created in xs
1073	#Symbol::delete_package __PACKAGE__;	1294	#Symbol::delete_package __PACKAGE__;
1074		1295
1075	# reload cf.pm	1296	# reload cf.pm
1076	$msg->("reloading cf.pm");	1297	warn "reloading cf.pm";
1077	require cf;	1298	require cf;
		1299	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1078		1300
1079	# load config and database again	1301	# load config and database again
1080	cf::cfg_load;	1302	cf::cfg_load;
1081	cf::db_load;	1303	cf::db_load;
1082		1304
1083	# load extensions	1305	# load extensions
1084	$msg->("load extensions");	1306	warn "load extensions";
1085	cf::load_extensions;	1307	cf::load_extensions;
1086		1308
1087	# reattach attachments to objects	1309	# reattach attachments to objects
1088	$msg->("reattach");	1310	warn "reattach";
1089	_global_reattach;	1311	_global_reattach;
1090	};	1312	};
1091	$msg->($@) if $@;	1313	warn $@ if $@;
1092		1314
1093	$msg->("reloaded");	1315	warn "reloaded";
1094	};	1316	};
1095		1317
1096	sub perl_reload() {	1318	sub perl_reload() {
1097	_perl_reload {	1319	_perl_reload;
1098	warn $_[0];
1099	print "$_[0]\n";
1100	};
1101	}	1320	}
1102		1321
1103	register "<global>", __PACKAGE__;	1322	register "<global>", __PACKAGE__;
1104		1323
1105	register_command "perl-reload" => sub {	1324	register_command "perl-reload" => sub {
1106	my ($who, $arg) = @_;	1325	my ($who, $arg) = @_;
1107		1326
1108	if ($who->flag (FLAG_WIZ)) {	1327	if ($who->flag (FLAG_WIZ)) {
		1328	$who->message ("reloading...");
1109	_perl_reload {	1329	_perl_reload;
1110	warn $_[0];
1111	$who->message ($_[0]);
1112	};
1113	}	1330	}
1114	};	1331	};
1115		1332
1116	unshift @INC, $LIBDIR;	1333	unshift @INC, $LIBDIR;
1117		1334
1118	$TICK_WATCHER = Event->timer (	1335	$TICK_WATCHER = Event->timer (
		1336	reentrant => 0,
1119	prio => 0,	1337	prio => 0,
1120	at => $NEXT_TICK \|\| 1,	1338	at => $NEXT_TICK \|\| $TICK,
1121	data => WF_AUTOCANCEL,	1339	data => WF_AUTOCANCEL,
1122	cb => sub {	1340	cb => sub {
		1341	unless ($FREEZE) {
1123	cf::server_tick; # one server iteration	1342	cf::server_tick; # one server iteration
		1343	$RUNTIME += $TICK;
		1344	}
1124		1345
1125	my $NOW = Event::time;
1126	$NEXT_TICK += $TICK;	1346	$NEXT_TICK += $TICK;
1127		1347
1128	# if we are delayed by four ticks or more, skip them all	1348	# if we are delayed by four ticks or more, skip them all
1129	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1349	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1130		1350
1131	$TICK_WATCHER->at ($NEXT_TICK);	1351	$TICK_WATCHER->at ($NEXT_TICK);
1132	$TICK_WATCHER->start;	1352	$TICK_WATCHER->start;
1133	},	1353	},
1134	);	1354	);
…		…
1139	poll => 'r',	1359	poll => 'r',
1140	prio => 5,	1360	prio => 5,
1141	data => WF_AUTOCANCEL,	1361	data => WF_AUTOCANCEL,
1142	cb => \&IO::AIO::poll_cb);	1362	cb => \&IO::AIO::poll_cb);
1143		1363
		1364	# we must not ever block the main coroutine
		1365	$Coro::idle = sub {
		1366	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1367	warn "FATAL: Coro::idle was called, major BUG\n";
		1368	(Coro::unblock_sub {
		1369	Event::one_event;
		1370	})->();
		1371	};
		1372
1144	1	1373	1
1145		1374

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.93 by root, Thu Dec 21 22:41:35 2006 UTC vs. Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.93 by root, Thu Dec 21 22:41:35 2006 UTC vs.
Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC