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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available	103	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		104
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	105	sub cf::map::normalise;
78		106
79	#############################################################################	107	#############################################################################
80		108
81	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
82		110
…		…
106		134
107	=item %cf::CFG	135	=item %cf::CFG
108		136
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
116	BEGIN {	150	BEGIN {
117	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	152	my $msg = join "", @_;
119	utf8::encode $msg;
120		153
121	$msg .= "\n"	154	$msg .= "\n"
122	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
123		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	225	=item cf::lock_wait $string
180		226
181	sub to_json($) {	227	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228
183	JSON::Syck::Dump $_[0]	229	=item my $lock = cf::lock_acquire $string
		230
		231	Wait until the given lock is available and then acquires it and returns
		232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		233	for example when the coroutine gets canceled), the lock is automatically
		234	returned.
		235
		236	Lock names should begin with a unique identifier (for example, cf::map::find
		237	uses map_find and cf::map::load uses map_load).
		238
		239	=cut
		240
		241	our %LOCK;
		242
		243	sub lock_wait($) {
		244	my ($key) = @_;
		245
		246	# wait for lock, if any
		247	while ($LOCK{$key}) {
		248	push @{ $LOCK{$key} }, $Coro::current;
		249	Coro::schedule;
		250	}
184	}	251	}
		252
		253	sub lock_acquire($) {
		254	my ($key) = @_;
		255
		256	# wait, to be sure we are not locked
		257	lock_wait $key;
		258
		259	$LOCK{$key} = [];
		260
		261	Coro::guard {
		262	# wake up all waiters, to be on the safe side
		263	$_->ready for @{ delete $LOCK{$key} };
		264	}
		265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
185		286
186	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
187		288
188	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	298	=cut
198		299
199	sub sync_job(&) {	300	sub sync_job(&) {
200	my ($job) = @_;	301	my ($job) = @_;
201		302
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	303	if ($Coro::current == $Coro::main) {
		304	# this is the main coro, too bad, we have to block
		305	# till the operation succeeds, freezing the server :/
		306
212	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	308	# (but this is cancel-safe)
		309	my $freeze_guard = freeze_mainloop;
		310
		311	my $busy = 1;
		312	my @res;
		313
		314	(async {
		315	@res = eval { $job->() };
		316	warn $@ if $@;
		317	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
		319
215	while ($busy) {	320	while ($busy) {
216	Coro::cede_notself;	321	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	322	}
		323
		324	wantarray ? @res : $res[0]
219	} else {	325	} else {
220	$coro->join;	326	# we are in another coroutine, how wonderful, everything just works
		327
		328	$job->()
221	}	329	}
222
223	wantarray ? @res : $res[0]
224	}	330	}
225		331
226	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
227		333
228	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
230		336
231	=cut	337	=cut
232		338
233	sub coro(&) {	339	sub async_ext(&) {
234	my $cb = shift;	340	my $cb = shift;
235		341
236	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		343
243	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
245	});	346	});
246	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
247		348
248	$coro	349	$coro
249	}	350	}
250		351
251	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
252	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
253		356
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	358	or return;
256		359
257	my $value = $cf::RUNTIME;	360	my $value = $cf::RUNTIME + 90 + 10;
		361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	365	and return;
260		366
		367	# always fsync - this file is important
261	aio_fsync $fh	368	aio_fsync $fh
262	and return;	369	and return;
263		370
264	close $fh	371	close $fh
265	or return;	372	or return;
…		…
268	and return;	375	and return;
269		376
270	1	377	1
271	}	378	}
272		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
273	=back	391	=back
274		392
275	=cut	393	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		394
387	#############################################################################	395	#############################################################################
388		396
389	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
390		398
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	525	our @CB_MAP = ();
518		526
519	my %attachment;	527	my %attachment;
520		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
521	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
523		537
524	use sort 'stable';	538	use sort 'stable';
525		539
…		…
696	# object support	710	# object support
697		711
698	sub reattach {	712	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		717
702	my $registry = $obj->registry;	718	my $registry = $obj->registry;
703		719
704	@$registry = ();	720	@$registry = ();
705		721
…		…
752	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
753		769
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	774	close $fh;
759		775
760	if (@$objs) {	776	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	782	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
768	}	784	}
769	} else {	785	} else {
770	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
798	or return;	814	or return;
799		815
800	unless (aio_stat "$filename.pst") {	816	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
802	or return;	818	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
804	}	820	}
805		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	824	return ($data, $av);
807	}	825	}
808		826
809	#############################################################################	827	#############################################################################
810	# command handling &c	828	# command handling &c
…		…
835	=cut	853	=cut
836		854
837	sub register_extcmd {	855	sub register_extcmd {
838	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
839		857
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
844	}	859	}
845		860
846	cf::player->attach (	861	cf::player->attach (
847	on_command => sub {	862	on_command => sub {
848	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
861		876
862	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
863		878
864	if (ref $msg) {	879	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	883	}
869	}	884	}
870	} else {	885	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		888
874	cf::override;	889	cf::override;
875	},	890	},
876	);	891	);
877		892
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	893	sub load_extension {
885	my ($path) = @_;	894	my ($path) = @_;
886		895
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	897	my $base = $1;
889	my $pkg = $1;	898	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
892		901
893	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
894		903
895	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
896	or die "$path: $!";	905	or die "$path: $!";
897		906
898	my $source =	907	my $source =
899	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
902	. "\n};\n1";	911	. "\n};\n1";
903		912
904	eval $source	913	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	915	: "extension disabled.\n";
907		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	917	warn $@;
909	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
910		919	exit 1;
911	# no strict 'refs';	920	}
912	# @{"$pkg\::ISA"} = ext::;	921	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	922	}
927		923
928	# remove commands	924	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	925	}
953		926
954	sub load_extensions {	927	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	929	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
961	}	934	}
962	}	935	}
963		936
964	#############################################################################	937	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		938
1002	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1003		940
1004	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1005		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1006	=head3 cf::player	949	=head3 cf::player
1007		950
1008	=over 4	951	=over 4
1009		952
1010	=item cf::player::exists $login	953	=item cf::player::find $login
1011		954
1012	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1013		956
1014	=cut	957	=cut
1015		958
1016	sub cf::player::exists($) {	959	sub playerdir($) {
1017	cf::player::find $_[0]	960	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1019	}	965	}
1020		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1022		1139
1023	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1024		1141
1025	=cut	1142	=cut
1026		1143
1027	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1029		1146
1030	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1031		1148
1032	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1033	}	1191	}
1034		1192
1035	=back	1193	=back
1036
1037		1194
1038	=head3 cf::map	1195	=head3 cf::map
1039		1196
1040	=over 4	1197	=over 4
1041		1198
…		…
1044	package cf::map;	1201	package cf::map;
1045		1202
1046	use Fcntl;	1203	use Fcntl;
1047	use Coro::AIO;	1204	use Coro::AIO;
1048		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1049	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1212
1054	sub generate_random_map {	1213	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1216	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1358	}
1072		1359
1073	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1074	# all maps in C++...	1361	# all maps in C++...
1075	sub change_all_map_light {	1362	sub change_all_map_light {
1076	my ($change) = @_;	1363	my ($change) = @_;
1077		1364
1078	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1079	}	1367	}
1080		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1081	sub try_load_header($) {	1377	sub load_header_from($) {
1082	my ($path) = @_;	1378	my ($self, $path) = @_;
1083		1379
1084	utf8::encode $path;	1380	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1086	or return;	1385	or return;
1087		1386
1088	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1089	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1090		1433
1091	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1092	or return;	1435	unless $self->default_region;
1093		1436
1094	$map->{load_path} = $path;	1437	1
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1438	}
1099		1439
		1440	sub find;
1100	sub find_map {	1441	sub find {
1101	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1102		1443
1103	#warn "find_map<$path,$origin>\n";#d#	1444	$path = normalise $path, $origin && $origin->path;
1104		1445
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1446	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1447
1108	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1109	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1450	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1451	or return;
1124		1452
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1453	$map->{last_save} = $cf::RUNTIME;
1136		1454
1137	$map->reset if $map->should_reset;	1455	$map->load_header
		1456	or return;
1138		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
		1461	$map->reset;
		1462	undef $guard;
		1463	return find $path;
		1464	}
		1465
1139	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1140	}	1467	}
1141	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1142		1472
1143	sub load {	1473	sub load {
1144	my ($self) = @_;	1474	my ($self) = @_;
1145		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
		1478	my $path = $self->{path};
		1479	my $guard = cf::lock_acquire "map_load:$path";
		1480
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1482
1148	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1149		1484
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1153	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1491	or return;
1155		1492
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1494	if delete $self->{load_original};
1157		1495
1158	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1497	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1499	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1163	}	1501	}
1164	}	1502	}
1165		1503
		1504	Coro::cede;
1166	# now do the right thing for maps	1505	# now do the right thing for maps
1167	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1168		1508
1169	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1510	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1176	$self->set_darkness_map;	1514	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1179	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1180	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1181		1524
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1526	}
1184		1527
1185	sub load_map_sync {	1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1186	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1187		1563
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1189		1566
1190	cf::sync_job {	1567	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1192	or return;	1569
		1570	cf::sync_job { $map->load };
		1571	}
		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
1193	$map->load;	1591	$map->load;
1194	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1195	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1196	}	1601	}
1197		1602
1198	sub save {	1603	sub save {
1199	my ($self) = @_;	1604	my ($self) = @_;
1200		1605
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1607
1204	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1205		1609
1206	return unless $self->dirty;	1610	return unless $self->dirty;
1207		1611
		1612	my $save = $self->save_path; utf8::encode $save;
		1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1614
1208	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1209		1616
1210	return if $self->{deny_save};	1617	return if $self->{deny_save};
1211		1618
1212	warn "saving map ", $self->path;	1619	local $self->{last_access} = $self->last_access;#d#
		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
1213		1624
1214	if ($uniq) {	1625	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1628	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1630	}
1220	}	1631	}
1221		1632
1222	sub swap_out {	1633	sub swap_out {
1223	my ($self) = @_;	1634	my ($self) = @_;
		1635
		1636	# save first because save cedes
		1637	$self->save;
		1638
		1639	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1640
1225	return if $self->players;	1641	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1643	return if $self->{deny_save};
1228		1644
1229	$self->save;
1230	$self->clear;	1645	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1646	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1647	}
1233		1648
		1649	sub reset_at {
		1650	my ($self) = @_;
		1651
		1652	# TODO: safety, remove and allow resettable per-player maps
		1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1654	return 1e99 if $self->{deny_reset};
		1655
		1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1658
		1659	$time + $to
		1660	}
		1661
1234	sub should_reset {	1662	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1663	my ($self) = @_;
1251		1664
1252	utf8::encode (my $save = $self->{path}->save_path);	1665	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1666	}
1256		1667
1257	sub reset {	1668	sub reset {
1258	my ($self) = @_;	1669	my ($self) = @_;
1259		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1260	return if $self->players;	1673	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1262		1675
1263	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1264		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1265	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1266		1691
1267	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1268		1693
1269	$self->unlink_save;	1694	$self->unlink_save;
1270	$self->destroy;	1695	$self->destroy;
1271	}	1696	}
1272		1697
1273	sub customise_for {	1698	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1699
1276	if ($map->per_player) {	1700	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1701	my ($self) = @_;
1278	}
1279		1702
1280	$map	1703	delete $cf::MAP{$self->path};
1281	}
1282		1704
1283	sub emergency_save {	1705	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1706
1286	warn "enter emergency map save\n";	1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
		1709	$self->{deny_save} = 1;
		1710	$self->reset_timeout (1);
		1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1712
1288	cf::sync_job {	1713	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1714
1290	$_->save for values %cf::MAP;	1715	$self->reset; # polite request, might not happen
		1716	}
		1717
		1718	=item cf::map::unique_maps
		1719
		1720	Returns an arrayref of paths of all shared maps that have
		1721	instantiated unique items. May block.
		1722
		1723	=cut
		1724
		1725	sub unique_maps() {
		1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
		1728
		1729	my @paths;
		1730
		1731	for (@$files) {
		1732	utf8::decode $_;
		1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1291	};	1737	}
1292		1738
1293	warn "end emergency map save\n";	1739	\@paths
1294	}	1740	}
1295		1741
1296	package cf;	1742	package cf;
1297		1743
1298	=back	1744	=back
1299		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1300		1772
1301	=head3 cf::object::player	1773	=head3 cf::object::player
1302		1774
1303	=over 4	1775	=over 4
1304		1776
…		…
1340	(ref $cf::CFG{"may_$access"}	1812	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1813	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1814	: $cf::CFG{"may_$access"})
1343	}	1815	}
1344		1816
		1817	=item $player_object->enter_link
		1818
		1819	Freezes the player and moves him/her to a special map (C<{link}>).
		1820
		1821	The player should be reasonably safe there for short amounts of time. You
		1822	I<MUST> call C<leave_link> as soon as possible, though.
		1823
		1824	Will never block.
		1825
		1826	=item $player_object->leave_link ($map, $x, $y)
		1827
		1828	Moves the player out of the special C<{link}> map onto the specified
		1829	map. If the map is not valid (or omitted), the player will be moved back
		1830	to the location he/she was before the call to C<enter_link>, or, if that
		1831	fails, to the emergency map position.
		1832
		1833	Might block.
		1834
		1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
		1846
1345	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1848	my ($self) = @_;
1347		1849
1348	return if $self->map == $LINK_MAP;	1850	$self->deactivate_recursive;
1349		1851
		1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1853
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1855	if $self->map;
1352		1856
1353	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1858	}
1356		1859
1357	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1359		1862
1360	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1361		1864
1362	unless ($map) {	1865	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1866	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1368		1869
1369	unless ($map) {	1870	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1373	}	1874	}
1374	}	1875	}
1375		1876
1376	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1382		1883
1383	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1384		1886
		1887	return unless $self->contr->active;
1385	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1387	}	1892	}
1388		1893
		1894	cf::player->attach (
		1895	on_logout => sub {
		1896	my ($pl) = @_;
		1897
		1898	# abort map switching before logout
		1899	if ($pl->ob->{_link_pos}) {
		1900	cf::sync_job {
		1901	$pl->ob->leave_link
		1902	};
		1903	}
		1904	},
		1905	on_login => sub {
		1906	my ($pl) = @_;
		1907
		1908	# try to abort aborted map switching on player login :)
		1909	# should happen only on crashes
		1910	if ($pl->ob->{_link_pos}) {
		1911	$pl->ob->enter_link;
		1912	(async {
		1913	$pl->ob->reply (undef,
		1914	"There was an internal problem at your last logout, "
		1915	. "the server will try to bring you to your intended destination in a second.",
		1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
		1919	Coro::Timer::sleep 1;
		1920	$pl->ob->leave_link;
		1921	})->prio (2);
		1922	}
		1923	},
		1924	);
		1925
1389	=item $player_object->goto_map ($map, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1390		1927
1391	=cut	1928	=cut
1392		1929
1393	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1395		1932
1396	$self->enter_link;	1933	$self->enter_link;
1397		1934
1398	(Coro::async {	1935	(async {
1399	$path = new cf::path $path;	1936	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1939	$map
		1940	} or
		1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1942
1407	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1944	})->prio (1);
1409	}	1945	}
1410		1946
…		…
1414		1950
1415	sub parse_random_map_params {	1951	sub parse_random_map_params {
1416	my ($spec) = @_;	1952	my ($spec) = @_;
1417		1953
1418	my $rmp = { # defaults	1954	my $rmp = { # defaults
1419	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1421	};	1959	};
1422		1960
1423	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1425		1963
…		…
1429	$rmp	1967	$rmp
1430	}	1968	}
1431		1969
1432	sub prepare_random_map {	1970	sub prepare_random_map {
1433	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1974
1435	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1977	# that depends on the exit object
1438		1978
1439	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1440		1980
1441	if ($exit->map) {	1981	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1446	}	1986	}
1447		1987
1448	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1449		1989
1450	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1993
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1455		1998
1456	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	2000	$exit->msg (undef);
1458	}	2001	}
1459	}	2002	}
…		…
1461	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1463		2006
1464	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1465		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1466	$self->enter_link;	2020	$self->enter_link;
1467		2021
1468	(Coro::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	2024	unless (eval {
1470		2025	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		2026
1477	1;	2027	1;
1478	}) {	2028	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1483		2033
1484	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	2035	$self->leave_link;
1486	}	2036	}
1487	})->prio (1);	2037	})->prio (1);
…		…
1500		2050
1501	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1503		2053
1504	utf8::encode $text;	2054	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	2056	}
1507		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1508		2070
1509	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1510		2072
1511	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1512	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1537	on_reply => sub {	2099	on_reply => sub {
1538	my ($ns, $msg) = @_;	2100	my ($ns, $msg) = @_;
1539		2101
1540	# this weird shuffling is so that direct followup queries	2102	# this weird shuffling is so that direct followup queries
1541	# get handled first	2103	# get handled first
1542	my $queue = delete $ns->{query_queue};	2104	my $queue = delete $ns->{query_queue}
		2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2106
1544	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2109
1546	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1547		2111
1548	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2113	if (@$queue) {
…		…
1553	}	2117	}
1554	}	2118	}
1555	},	2119	},
1556	);	2120	);
1557		2121
1558	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1559		2123
1560	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2125	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2126	or loss of connection).
1563		2127
1564	=cut	2128	=cut
1565		2129
1566	sub cf::client::coro {	2130	sub cf::client::async {
1567	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1568		2132
1569	my $coro; $coro = async {	2133	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2134
1576	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1578	});	2137	});
1579		2138
…		…
1612		2171
1613	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1614		2173
1615	=pod	2174	=pod
1616		2175
1617	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1618		2177
1619	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1620	cf::object::player player	2179	cf::object::player player
1621	cf::player peaceful	2180	cf::player peaceful
1622	cf::map trigger	2181	cf::map trigger
…		…
1707	#############################################################################	2266	#############################################################################
1708		2267
1709	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1710		2269
1711	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1712	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1713	excludes objects.	2272	convert to/from binary).
1714		2273
1715	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1716	using it, it should be unique.	2275	using it, it should be unique.
1717		2276
1718	=over 4	2277	=over 4
1719		2278
1720	=item $hashref = cf::db_get $family
1721
1722	Return a hashref for use by the extension C<$family>, which can be
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725
1726	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1727		2280
1728	Returns a single value from the database	2281	Returns a single value from the database.
1729
1730	=item cf::db_put $family => $hashref
1731
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734		2282
1735	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1736		2284
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747		2286
1748	=cut	2287	=cut
1749		2288
1750	our $DB;	2289	our $DB;
1751		2290
1752	{	2291	sub db_init {
1753	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1754		2294
1755	sub db_load() {	2295	cf::sync_job {
1756	warn "loading database $path\n";#d# remove later	2296	eval {
1757	$DB = stat $path ? Storable::retrieve $path : { };	2297	$DB->set_flags (BDB::CHKSUM);
1758	}
1759		2298
1760	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1761		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1762	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1763	warn "saving database $path\n";#d# remove later	2302	};
1764	waitpid $pid, 0 if $pid;	2303	cf::cleanup "db_open(db): $@" if $@;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}	2304	};
1771	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});	2305	}
		2306	}
1783		2307
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {	2308	sub db_get($$) {
1790	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1795	sub db_put($$;$) {	2319	sub db_put($$$) {
1796	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1797	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1798	} else {	2322	}
1799	$DB->{$_[0]} = $_[1];
1800	}
1801	db_dirty;
1802	}
1803		2323
1804	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1805	prio => 10000,	2325
1806	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1807	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1808	},	2356	}
1809	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
1810	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1811		2434
1812	#############################################################################	2435	#############################################################################
1813	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
1814		2524
1815	sub cfg_load {	2525	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2527	or return;
1818		2528
1819	local $/;	2529	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2530	*CFG = YAML::Syck::Load <$fh>;
		2531
		2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2533
		2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2536
		2537	if (exists $CFG{mlockall}) {
		2538	eval {
		2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2540	and die "WARNING: m(un)lockall failed: $!\n";
		2541	};
		2542	warn $@ if $@;
		2543	}
1821	}	2544	}
1822		2545
1823	sub main {	2546	sub main {
1824	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2550	(async {
1828	Event::one_event;	2551	Event::one_event;
1829	})->();	2552	})->prio (Coro::PRIO_MAX);
1830	};	2553	};
1831		2554
1832	cfg_load;	2555	cfg_load;
1833	db_load;	2556	db_init;
1834	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
1835	Event::loop;	2560	Event::loop;
1836	}	2561	}
1837		2562
1838	#############################################################################	2563	#############################################################################
1839	# initialisation	2564	# initialisation and cleanup
1840		2565
		2566	# install some emergency cleanup handlers
		2567	BEGIN {
		2568	for my $signal (qw(INT HUP TERM)) {
		2569	Event->signal (
		2570	reentrant => 0,
		2571	data => WF_AUTOCANCEL,
		2572	signal => $signal,
		2573	prio => 0,
		2574	cb => sub {
		2575	cf::cleanup "SIG$signal";
		2576	},
		2577	);
		2578	}
		2579	}
		2580
		2581	sub emergency_save() {
		2582	my $freeze_guard = cf::freeze_mainloop;
		2583
		2584	warn "enter emergency perl save\n";
		2585
		2586	cf::sync_job {
		2587	# use a peculiar iteration method to avoid tripping on perl
		2588	# refcount bugs in for. also avoids problems with players
		2589	# and maps saved/destroyed asynchronously.
		2590	warn "begin emergency player save\n";
		2591	for my $login (keys %cf::PLAYER) {
		2592	my $pl = $cf::PLAYER{$login} or next;
		2593	$pl->valid or next;
		2594	$pl->save;
		2595	}
		2596	warn "end emergency player save\n";
		2597
		2598	warn "begin emergency map save\n";
		2599	for my $path (keys %cf::MAP) {
		2600	my $map = $cf::MAP{$path} or next;
		2601	$map->valid or next;
		2602	$map->save;
		2603	}
		2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
		2609	};
		2610
		2611	warn "leave emergency perl save\n";
		2612	}
		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
1841	sub reload() {	2621	sub do_reload_perl() {
1842	# can/must only be called in main	2622	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
1845	return;	2625	return;
1846	}	2626	}
1847		2627
1848	warn "reloading...";	2628	warn "reloading...";
1849		2629
1850	local $FREEZE = 1;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
1852		2636
1853	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
1854	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
1855		2641
1856	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2645	}
1860		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
1861	# cancel all extension coros	2658	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2660	%EXT_CORO = ();
1864		2661
1865	# unload all extensions	2662	warn "removing commands";
1866	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2670	warn "... unloading $pkg";
1868	unload_extension $_;	2671
		2672	if (my $cb = $pkg->can ("unload")) {
		2673	eval {
		2674	$cb->($pkg);
		2675	1
		2676	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2677	}
1870		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
1871	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2686
1875	warn "removing <$k>";	2687	warn "... unloading $k";
1876	delete $INC{$k};	2688	delete $INC{$k};
1877		2689
1878	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
1880		2692
…		…
1883	}	2695	}
1884		2696
1885	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
1886	}	2698	}
1887		2699
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2703
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
1901		2707
1902	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2709	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
1905		2711
1906	# reload cf.pm	2712	warn "unload completed, starting to reload now";
		2713
1907	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
1908	require cf;	2715	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2717
1911	# load config and database again	2718	warn "loading config and database again";
1912	cf::cfg_load;	2719	cf::cfg_load;
1913	cf::db_load;
1914		2720
1915	# load extensions
1916	warn "load extensions";	2721	warn "loading extensions";
1917	cf::load_extensions;	2722	cf::load_extensions;
1918		2723
1919	# reattach attachments to objects	2724	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2725	_global_reattach; # objects, sockets
1921	_global_reattach;	2726	warn "reattaching attachments to maps";
1922	};	2727	reattach $_ for values %MAP;
		2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
1923		2730
1924	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
1925	warn $@;	2735	warn $@;
1926	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
1927	exit 1;	2737	exit 1;
1928	}	2738	};
1929		2739
1930	warn "reloaded successfully";	2740	warn "reloaded";
1931	};	2741	};
1932		2742
1933	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
1934		2744
1935	unless ($LINK_MAP) {	2745	sub reload_perl() {
1936	$LINK_MAP = cf::map::new;	2746	# doing reload synchronously and two reloads happen back-to-back,
		2747	# coro crashes during coro_state_free->destroy here.
1937		2748
1938	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
1939	$LINK_MAP->height (41);	2750	reentrant => 0,
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
1948	cb => sub {	2753	cb => sub {
1949	$_[0]->w->cancel;	2754	do_reload_perl;
1950		2755	undef $RELOAD_WATCHER;
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});	2756	},
1969		2757	);
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}	2758	}
1975
1976	register "<global>", __PACKAGE__;
1977		2759
1978	register_command "reload" => sub {	2760	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
1980		2762
1981	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");
1983	reload;
1984	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
1985	}	2766	}
1986	};	2767	};
1987		2768
1988	unshift @INC, $LIBDIR;	2769	unshift @INC, $LIBDIR;
		2770
		2771	my $bug_warning = 0;
		2772
		2773	our @WAIT_FOR_TICK;
		2774	our @WAIT_FOR_TICK_BEGIN;
		2775
		2776	sub wait_for_tick {
		2777	return unless $TICK_WATCHER->is_active;
		2778	return if $Coro::current == $Coro::main;
		2779
		2780	my $signal = new Coro::Signal;
		2781	push @WAIT_FOR_TICK, $signal;
		2782	$signal->wait;
		2783	}
		2784
		2785	sub wait_for_tick_begin {
		2786	return unless $TICK_WATCHER->is_active;
		2787	return if $Coro::current == $Coro::main;
		2788
		2789	my $signal = new Coro::Signal;
		2790	push @WAIT_FOR_TICK_BEGIN, $signal;
		2791	$signal->wait;
		2792	}
1989		2793
1990	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
1992	prio => 0,	2797	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
1995	cb => sub {	2800	cb => sub {
1996	unless ($FREEZE) {	2801	if ($Coro::current != $Coro::main) {
		2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2803	unless ++$bug_warning > 10;
		2804	return;
		2805	}
		2806
		2807	$NOW = Event::time;
		2808
1997	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
1998	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
		2813
		2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2815	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2816	Coro::async_pool {
		2817	write_runtime
		2818	or warn "ERROR: unable to write runtime file: $!";
		2819	};
		2820	}
		2821
		2822	# my $AFTER = Event::time;
		2823	# warn $AFTER - $NOW;#d#
2002		2824
2003	# if we are delayed by four ticks or more, skip them all	2825	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2827
2006	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2829	$TICK_WATCHER->start;
		2830
		2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2832	$sig->send;
		2833	}
		2834	while (my $sig = shift @WAIT_FOR_TICK) {
		2835	$sig->send;
		2836	}
		2837
		2838	_post_tick;
2008	},	2839	},
2009	);	2840	);
2010		2841
		2842	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2012		2844	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2845	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2015	poll => 'r',	2847	poll => 'r',
2016	prio => 5,	2848	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2023	after => 0,	2850	cb => \&BDB::poll_cb,
2024	interval => 10,	2851	);
2025	cb => sub {	2852	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2853
2027	write_runtime	2854	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2855	my $status;
		2856	my $current = $Coro::current;
		2857	(
		2858	sub {
		2859	$status = $!;
		2860	$current->ready; undef $current;
		2861	},
		2862	sub {
		2863	Coro::schedule while defined $current;
		2864	$! = $status;
		2865	},
		2866	)
		2867	};
		2868
		2869	unless ($DB_ENV) {
		2870	$DB_ENV = BDB::db_env_create;
		2871
		2872	cf::sync_job {
		2873	eval {
		2874	BDB::db_env_open
		2875	$DB_ENV,
		2876	$BDB_ENV_DIR,
		2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2879	0666;
		2880
		2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2882
		2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2884	$DB_ENV->set_lk_detect;
		2885	};
		2886
		2887	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2888	};
2030	},	2889	}
2031	);	2890	}
		2891
		2892	{
		2893	IO::AIO::min_parallel 8;
		2894
		2895	undef $Coro::AIO::WATCHER;
		2896	IO::AIO::max_poll_time $TICK * 0.1;
		2897	$AIO_POLL_WATCHER = Event->io (
		2898	reentrant => 0,
		2899	data => WF_AUTOCANCEL,
		2900	fd => IO::AIO::poll_fileno,
		2901	poll => 'r',
		2902	prio => 6,
		2903	cb => \&IO::AIO::poll_cb,
		2904	);
		2905	}
		2906
		2907	# load additional modules
		2908	use cf::pod;
		2909
		2910	END { cf::emergency_save }
2032		2911
2033	1	2912	1
2034		2913

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