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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	259	}
249		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
334		350
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	352	or return;
337		353
		354	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	359	and return;
341		360
342	aio_fsync $fh	361	aio_fsync $fh
343	and return;	362	and return;
…		…
352	}	371	}
353		372
354	=back	373	=back
355		374
356	=cut	375	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		376
478	#############################################################################	377	#############################################################################
479		378
480	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
481		380
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	507	our @CB_MAP = ();
609		508
610	my %attachment;	509	my %attachment;
611		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
612	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
614		519
615	use sort 'stable';	520	use sort 'stable';
616		521
…		…
787	# object support	692	# object support
788		693
789	sub reattach {	694	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		699
793	my $registry = $obj->registry;	700	my $registry = $obj->registry;
794		701
795	@$registry = ();	702	@$registry = ();
796		703
…		…
928	=cut	835	=cut
929		836
930	sub register_extcmd {	837	sub register_extcmd {
931	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
932		839
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
937	}	841	}
938		842
939	cf::player->attach (	843	cf::player->attach (
940	on_command => sub {	844	on_command => sub {
941	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
954		858
955	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
956		860
957	if (ref $msg) {	861	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	865	}
962	}	866	}
963	} else {	867	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		870
967	cf::override;	871	cf::override;
968	},	872	},
969	);	873	);
970		874
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	875	sub load_extension {
978	my ($path) = @_;	876	my ($path) = @_;
979		877
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	879	my $base = $1;
982	my $pkg = $1;	880	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
985		883
986	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
987		885
988	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
989	or die "$path: $!";	887	or die "$path: $!";
990		888
991	my $source =	889	my $source =
992	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
995	. "\n};\n1";	893	. "\n};\n1";
996		894
997	eval $source	895	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	897	: "extension disabled.\n";
1000		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	899	warn $@;
1002	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1003		901	exit 1;
1004	# no strict 'refs';	902	}
1005	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	904	}
1020		905
1021	# remove commands	906	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	907	}
1046		908
1047	sub load_extensions {	909	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	911	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1054	}	916	}
1055	}	917	}
1056		918
1057	#############################################################################	919	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		920
1095	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1096		922
1097	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1098		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1099	=head3 cf::player	931	=head3 cf::player
1100		932
1101	=over 4	933	=over 4
1102		934
1103	=item cf::player::exists $login	935	=item cf::player::find $login
1104		936
1105	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1106		938
1107	=cut	939	=cut
1108		940
1109	sub cf::player::exists($) {	941	sub playerdir($) {
1110	cf::player::find $_[0]	942	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1112	}	1088	}
1113		1089
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1091
1116	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1117		1093
1118	=cut	1094	=cut
1119		1095
1120	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1122		1098
1123	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1124		1100
1125	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1126	}	1102	}
		1103
		1104	package cf;
1127		1105
1128	=back	1106	=back
1129		1107
1130		1108
1131	=head3 cf::map	1109	=head3 cf::map
…		…
1137	package cf::map;	1115	package cf::map;
1138		1116
1139	use Fcntl;	1117	use Fcntl;
1140	use Coro::AIO;	1118	use Coro::AIO;
1141		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1142	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1144		1126
1145	sub generate_random_map {	1127	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1130	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1268	}
1163		1269
1164	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1165	# all maps in C++...	1271	# all maps in C++...
1166	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1168		1274
1169	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1171	}	1277	}
1172		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1173	sub try_load_header($) {	1287	sub load_header_from($) {
1174	my ($path) = @_;	1288	my ($self, $path) = @_;
1175		1289
1176	utf8::encode $path;	1290	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1178	or return;	1292	or return;
1179		1293
1180	my $map = cf::map::new	1294	$self->_load_header ($path)
1181	or return;	1295	or return;
1182		1296
1183	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1184	or return;	1325	or return;
1185		1326
1186	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1187		1332
1188	$map	1333	1
1189	}	1334	}
1190		1335
1191	sub find_map;	1336	sub find;
1192	sub find_map {	1337	sub find {
1193	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1194		1339
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1341
1200	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1201		1343
1202	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1204		1346	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1347	or return;
1220		1348
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1349	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1350
		1351	$map->load_header
		1352	or return;
1233		1353
1234	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1357	$map->reset;
1236	undef $guard;	1358	undef $guard;
1237	$map = find_map $path	1359	$map = find $path
1238	or return;	1360	or return;
1239	}	1361	}
1240		1362
1241	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1242	}	1364	}
1243	}	1365	}
1244		1366
1245	sub load {	1367	sub load {
1246	my ($self) = @_;	1368	my ($self) = @_;
1247		1369
1248	my $path = $self->{path};	1370	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1250		1372
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1374
1253	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1254		1376
1255	$self->alloc;	1377	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1379	or return;
1258		1380
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1382	if delete $self->{load_original};
1261		1383
1262	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1385	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1387	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1267	}	1389	}
1268	}	1390	}
		1391
		1392	Coro::cede;
1269		1393
1270	# now do the right thing for maps	1394	# now do the right thing for maps
1271	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1272		1396
1273	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1398	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1280	$self->set_darkness_map;	1402	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1283	$self->activate;	1406	$self->activate;
1284	}	1407	}
1285		1408
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1410	}
1288		1411
1289	sub load_map_sync {	1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
		1443	}
		1444
		1445	sub find_sync {
1290	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1291		1447
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1448	cf::sync_job { find $path, $origin }
		1449	}
1293		1450
1294	cf::sync_job {	1451	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1452	my ($map) = @_;
1296	or return;	1453
		1454	cf::sync_job { $map->load };
		1455	}
		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
1297	$map->load;	1475	$map->load;
1298	$map	1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
1299	}	1481	};
		1482
		1483	()
1300	}	1484	}
1301		1485
1302	sub save {	1486	sub save {
1303	my ($self) = @_;	1487	my ($self) = @_;
1304		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1305	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1306		1492
1307	return unless $self->dirty;	1493	return unless $self->dirty;
1308		1494
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1497
1312	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1313		1499
1314	return if $self->{deny_save};	1500	return if $self->{deny_save};
1315		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1316	if ($uniq) {	1508	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1511	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1513	}
1322	}	1514	}
1323		1515
1324	sub swap_out {	1516	sub swap_out {
1325	my ($self) = @_;	1517	my ($self) = @_;
		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1523
1327	return if $self->players;	1524	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1526	return if $self->{deny_save};
1330		1527
1331	$self->save;
1332	$self->clear;	1528	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1530	}
1335		1531
1336	sub reset_at {	1532	sub reset_at {
1337	my ($self) = @_;	1533	my ($self) = @_;
1338		1534
1339	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1342		1538
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1541
…		…
1350	my ($self) = @_;	1546	my ($self) = @_;
1351		1547
1352	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1353	}	1549	}
1354		1550
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1551	sub reset {
1377	my ($self) = @_;	1552	my ($self) = @_;
1378		1553
		1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1555
1379	return if $self->players;	1556	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1381		1558
1382	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1383		1560
1384	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1385		1565
1386	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1387		1567
1388	$self->unlink_save;	1568	$self->unlink_save;
1389	$self->destroy;	1569	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1393		1573
1394	sub nuke {	1574	sub nuke {
1395	my ($self) = @_;	1575	my ($self) = @_;
1396		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1400	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1401	}	1590	}
1402		1591
1403	sub customise_for {	1592	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1593
1406	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1408	}
1409		1596
1410	$map	1597	=cut
1411	}
1412		1598
1413	sub emergency_save {	1599	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1415		1602
1416	warn "enter emergency map save\n";	1603	my @paths;
1417		1604
1418	cf::sync_job {	1605	for (@$files) {
1419	warn "begin emergency map save\n";	1606	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1421	};	1612	}
1422		1613
1423	warn "end emergency map save\n";	1614	\@paths
1424	}	1615	}
1425		1616
1426	package cf;	1617	package cf;
1427		1618
1428	=back	1619	=back
1429		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1430		1647
1431	=head3 cf::object::player	1648	=head3 cf::object::player
1432		1649
1433	=over 4	1650	=over 4
1434		1651
…		…
1474		1691
1475	=item $player_object->enter_link	1692	=item $player_object->enter_link
1476		1693
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1695
1479	The player should be reaosnably safe there for short amounts of time. You	1696	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1481		1698
		1699	Will never block.
		1700
1482	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1483		1702
1484	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1706	fails, to the emergency map position.
1488		1707
1489	Might block.	1708	Might block.
1490		1709
1491	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1492		1721
1493	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1723	my ($self) = @_;
1495		1724
1496	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1497		1726
1498	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1728
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1730	if $self->map;
1502		1731
1503	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1504	}	1733	}
1505		1734
1506	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1508		1737
1509	my $link_pos = delete $self->{_link_pos};	1738	my $link_pos = delete $self->{_link_pos};
1510		1739
1511	unless ($map) {	1740	unless ($map) {
1512	# restore original map position	1741	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1742	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1743	$map = cf::map::find $map;
1515		1744
1516	unless ($map) {	1745	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1746	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1747	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1748	or die "FATAL: cannot load emergency map\n";
1520	}	1749	}
1521	}	1750	}
1522		1751
1523	($x, $y) = (-1, -1)	1752	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1529		1758
1530	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1531		1761
		1762	return unless $self->contr->active;
1532	$self->activate_recursive;	1763	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1534	}	1765	}
1535		1766
1536	cf::player->attach (	1767	cf::player->attach (
…		…
1549		1780
1550	# try to abort aborted map switching on player login :)	1781	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1782	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1783	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1784	$pl->ob->enter_link;
1554	cf::async {	1785	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1786	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1787	# and this sleep increases chances of the player not ending up in scorn
		1788	$pl->ob->reply (undef,
		1789	"There was an internal problem at your last logout, "
		1790	. "the server will try to bring you to your intended destination in a second.",
		1791	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1792	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1793	$pl->ob->leave_link;
1559	};	1794	})->prio (2);
1560	}	1795	}
1561	},	1796	},
1562	);	1797	);
1563		1798
1564	=item $player_object->goto_map ($path, $x, $y)	1799	=item $player_object->goto ($path, $x, $y)
1565		1800
1566	=cut	1801	=cut
1567		1802
1568	sub cf::object::player::goto_map {	1803	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1570		1805
1571	$self->enter_link;	1806	$self->enter_link;
1572		1807
1573	(cf::async {	1808	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find_map $path->as_string;	1809	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1578		1811
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1813	# if $map;
1581		1814
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1816
1584	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1818	})->prio (1);
1586	}	1819	}
1587		1820
…		…
1591		1824
1592	sub parse_random_map_params {	1825	sub parse_random_map_params {
1593	my ($spec) = @_;	1826	my ($spec) = @_;
1594		1827
1595	my $rmp = { # defaults	1828	my $rmp = { # defaults
1596	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1598	};	1833	};
1599		1834
1600	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1602		1837
…		…
1606	$rmp	1841	$rmp
1607	}	1842	}
1608		1843
1609	sub prepare_random_map {	1844	sub prepare_random_map {
1610	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1848
1612	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1851	# that depends on the exit object
1615		1852
…		…
1624		1861
1625	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1626		1863
1627	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1867
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1632		1872
1633	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1874	$exit->msg (undef);
1635	}	1875	}
1636	}	1876	}
…		…
1640		1880
1641	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1642		1882
1643	$self->enter_link;	1883	$self->enter_link;
1644		1884
1645	(cf::async {	1885	(async {
		1886	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1887	unless (eval {
1647	prepare_random_map $exit	1888	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1649		1890
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652		1893
1653	1;	1894	1;
1654	}) {	1895	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1900
1660	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1902	$self->leave_link;
1662	}	1903	}
…		…
1713	on_reply => sub {	1954	on_reply => sub {
1714	my ($ns, $msg) = @_;	1955	my ($ns, $msg) = @_;
1715		1956
1716	# this weird shuffling is so that direct followup queries	1957	# this weird shuffling is so that direct followup queries
1717	# get handled first	1958	# get handled first
1718	my $queue = delete $ns->{query_queue};	1959	my $queue = delete $ns->{query_queue}
		1960	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		1961
1720	(shift @$queue)->[1]->($msg);	1962	(shift @$queue)->[1]->($msg);
1721		1963
1722	push @{ $ns->{query_queue} }, @$queue;	1964	push @{ $ns->{query_queue} }, @$queue;
1723		1965
…		…
1729	}	1971	}
1730	}	1972	}
1731	},	1973	},
1732	);	1974	);
1733		1975
1734	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1735		1977
1736	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	1980	or loss of connection).
1739		1981
1740	=cut	1982	=cut
1741		1983
1742	sub cf::client::coro {	1984	sub cf::client::async {
1743	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1744		1986
1745	my $coro = &cf::async ($cb);	1987	my $coro = &Coro::async ($cb);
1746		1988
1747	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1749	});	1991	});
1750		1992
…		…
1944	sub db_sync() {	2186	sub db_sync() {
1945	db_save if $dirty;	2187	db_save if $dirty;
1946	undef $dirty;	2188	undef $dirty;
1947	}	2189	}
1948		2190
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;	2192	db_sync;
1951	});	2193	});
1952		2194
1953	sub db_dirty() {	2195	sub db_dirty() {
1954	$dirty = 1;	2196	$dirty = 1;
…		…
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2227	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2228	or return;
1987		2229
1988	local $/;	2230	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2231	*CFG = YAML::Syck::Load <$fh>;
		2232
		2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2234
		2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2237
		2238	if (exists $CFG{mlockall}) {
		2239	eval {
		2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2241	and die "WARNING: m(un)lockall failed: $!\n";
		2242	};
		2243	warn $@ if $@;
		2244	}
1990	}	2245	}
1991		2246
1992	sub main {	2247	sub main {
1993	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	2251	(async {
1997	Event::one_event;	2252	Event::one_event;
1998	})->();	2253	})->prio (Coro::PRIO_MAX);
1999	};	2254	};
2000		2255
2001	cfg_load;	2256	cfg_load;
2002	db_load;	2257	db_load;
2003	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2004	Event::loop;	2261	Event::loop;
2005	}	2262	}
2006		2263
2007	#############################################################################	2264	#############################################################################
2008	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2009		2308
2010	sub reload() {	2309	sub reload() {
2011	# can/must only be called in main	2310	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2014	return;	2313	return;
2015	}	2314	}
2016		2315
2017	warn "reloading...";	2316	warn "reloading...";
2018		2317
2019	local $FREEZE = 1;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2020	cf::emergency_save;	2321	cf::emergency_save;
2021		2322
2022	eval {	2323	eval {
2023	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
2024		2325
2025	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2332	}
2029		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2030	# cancel all extension coros	2342	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2344	%EXT_CORO = ();
2033		2345
2034	# unload all extensions	2346	warn "removing commands";
2035	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2037	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2038	}	2361	}
2039		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2040	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2370
2044	warn "removing <$k>";	2371	warn "... unloading $k";
2045	delete $INC{$k};	2372	delete $INC{$k};
2046		2373
2047	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2049		2376
…		…
2052	}	2379	}
2053		2380
2054	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2055	}	2382	}
2056		2383
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		2387
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2070		2390
2071	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2392	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2074		2394
2075	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2076	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2077	require cf;	2398	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2400
2080	# load config and database again	2401	warn "loading config and database again";
2081	cf::cfg_load;	2402	cf::cfg_load;
2082	cf::db_load;	2403	cf::db_load;
2083		2404
2084	# load extensions
2085	warn "load extensions";	2405	warn "loading extensions";
2086	cf::load_extensions;	2406	cf::load_extensions;
2087		2407
2088	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2089	warn "reattach";
2090	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2091	};	2416	};
2092		2417
2093	if ($@) {	2418	if ($@) {
2094	warn $@;	2419	warn $@;
2095	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2096	exit 1;	2421	exit 1;
2097	}	2422	}
2098		2423
2099	warn "reloaded successfully";	2424	warn "reloaded";
2100	};	2425	};
2101		2426
2102	#############################################################################	2427	our $RELOAD_WATCHER; # used only during reload
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}
2144
2145	register "<global>", __PACKAGE__;
2146		2428
2147	register_command "reload" => sub {	2429	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2149		2431
2150	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2152	reload;	2439	reload;
2153	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2154	}	2442	}
2155	};	2443	};
2156		2444
2157	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2158		2448
2159	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2161	prio => 0,	2452	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2164	cb => sub {	2455	cb => sub {
2165	unless ($FREEZE) {	2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2166	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2171		2470
2172	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2473
2175	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2177	},	2476	},
2178	);	2477	);
2179		2478
2180	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2181		2480
2182	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2183	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2184	poll => 'r',	2483	poll => 'r',
2185	prio => 5,	2484	prio => 5,
2186	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2188	);	2487	);
2189		2488
2190	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2191	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2192	after => 0,	2491	after => 1,
2193	interval => 10,	2492	interval => 10,
2194	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2195	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2196	write_runtime	2495	write_runtime
2197	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2198	})->();
2199	},	2497	},
2200	);	2498	);
2201		2499
2202	END { cf::emergency_save }	2500	END { cf::emergency_save }
2203		2501

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