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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.125 by root, Tue Jan 2 23:06:39 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 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 $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
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	225	=item cf::lock_wait $string
209		226
210	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
211		228
212	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
213		230
214	Wait until the given lock is available and then acquires it and returns	231	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,	232	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	233	for example when the coroutine gets canceled), the lock is automatically
217	returned.	234	returned.
218		235
219	Lock names should begin with a unique identifier (for example, find_map	236	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	237	uses map_find and cf::map::load uses map_load).
221		238
222	=cut	239	=cut
223		240
224	our %LOCK;	241	our %LOCK;
225		242
…		…
239	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
240	lock_wait $key;	257	lock_wait $key;
241		258
242	$LOCK{$key} = [];	259	$LOCK{$key} = [];
243		260
244	cf::guard {	261	Coro::guard {
245	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
247	}	264	}
248	}	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	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
249		286
250	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
251		288
252	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
269		306
270	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	308	# (but this is cancel-safe)
272	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
273		310
274	my $busy = 1;	311	my $busy = 1;
275	my @res;	312	my @res;
276		313
277	(Coro::async {	314	(async {
278	@res = eval { $job->() };	315	@res = eval { $job->() };
279	warn $@ if $@;	316	warn $@ if $@;
280	undef $busy;	317	undef $busy;
281	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
282		319
283	while ($busy) {	320	while ($busy) {
284	Coro::cede_notself;	321	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	322	}
287		323
288	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
289	} else {	325	} else {
290	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
291		327
292	$job->()	328	$job->()
293	}	329	}
294	}	330	}
295		331
296	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
297		333
298	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
300		336
301	=cut	337	=cut
302		338
303	sub coro(&) {	339	sub async_ext(&) {
304	my $cb = shift;	340	my $cb = shift;
305		341
306	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		343
313	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
315	});	346	});
316	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
317		348
318	$coro	349	$coro
319	}	350	}
320		351
321	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
322	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
323		356
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	358	or return;
326		359
		360	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	365	and return;
330		366
		367	# always fsync - this file is important
331	aio_fsync $fh	368	aio_fsync $fh
332	and return;	369	and return;
333		370
334	close $fh	371	close $fh
335	or return;	372	or return;
…		…
338	and return;	375	and return;
339		376
340	1	377	1
341	}	378	}
342		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
343	=back	391	=back
344		392
345	=cut	393	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		394
467	#############################################################################	395	#############################################################################
468		396
469	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
470		398
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	525	our @CB_MAP = ();
598		526
599	my %attachment;	527	my %attachment;
600		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
601	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
603		537
604	use sort 'stable';	538	use sort 'stable';
605		539
…		…
776	# object support	710	# object support
777		711
778	sub reattach {	712	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		717
782	my $registry = $obj->registry;	718	my $registry = $obj->registry;
783		719
784	@$registry = ();	720	@$registry = ();
785		721
…		…
832	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
833		769
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	774	close $fh;
839		775
840	if (@$objs) {	776	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	782	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
848	}	784	}
849	} else {	785	} else {
850	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
917	=cut	853	=cut
918		854
919	sub register_extcmd {	855	sub register_extcmd {
920	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
921		857
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
926	}	859	}
927		860
928	cf::player->attach (	861	cf::player->attach (
929	on_command => sub {	862	on_command => sub {
930	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
943		876
944	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
945		878
946	if (ref $msg) {	879	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	883	}
951	}	884	}
952	} else {	885	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		888
956	cf::override;	889	cf::override;
957	},	890	},
958	);	891	);
959		892
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	893	sub load_extension {
967	my ($path) = @_;	894	my ($path) = @_;
968		895
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	897	my $base = $1;
971	my $pkg = $1;	898	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
974		901
975	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
976		903
977	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
978	or die "$path: $!";	905	or die "$path: $!";
979		906
980	my $source =	907	my $source =
981	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
984	. "\n};\n1";	911	. "\n};\n1";
985		912
986	eval $source	913	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	915	: "extension disabled.\n";
989		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	917	warn $@;
991	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
992		919	exit 1;
993	# no strict 'refs';	920	}
994	# @{"$pkg\::ISA"} = ext::;	921	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	922	}
1009		923
1010	# remove commands	924	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	925	}
1035		926
1036	sub load_extensions {	927	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	929	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1043	}	934	}
1044	}	935	}
1045		936
1046	#############################################################################	937	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		938
1084	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1085		940
1086	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1087		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1088	=head3 cf::player	949	=head3 cf::player
1089		950
1090	=over 4	951	=over 4
1091		952
1092	=item cf::player::exists $login	953	=item cf::player::find $login
1093		954
1094	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1095		956
1096	=cut	957	=cut
1097		958
1098	sub cf::player::exists($) {	959	sub playerdir($) {
1099	cf::player::find $_[0]	960	cf::localdir
1100	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])
1101	}	965	}
1102		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
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1104		1139
1105	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1106		1141
1107	=cut	1142	=cut
1108		1143
1109	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1110	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1111		1146
1112	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1113		1148
1114	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1115	}	1191	}
1116		1192
1117	=back	1193	=back
1118
1119		1194
1120	=head3 cf::map	1195	=head3 cf::map
1121		1196
1122	=over 4	1197	=over 4
1123		1198
…		…
1126	package cf::map;	1201	package cf::map;
1127		1202
1128	use Fcntl;	1203	use Fcntl;
1129	use Coro::AIO;	1204	use Coro::AIO;
1130		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1131	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1133		1212
1134	sub generate_random_map {	1213	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1216	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1358	}
1152		1359
1153	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1154	# all maps in C++...	1361	# all maps in C++...
1155	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1157		1364
1158	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1160	}	1367	}
1161		1368
		1369	sub unlink_save {
		1370	my ($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
1162	sub try_load_header($) {	1377	sub load_header_from($) {
1163	my ($path) = @_;	1378	my ($self, $path) = @_;
1164		1379
1165	utf8::encode $path;	1380	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1167	or return;	1385	or return;
1168		1386
1169	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
1170	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1171		1433
1172	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1173	or return;	1435	unless $self->default_region;
1174		1436
1175	$map->{load_path} = $path;	1437	1
1176
1177	$map
1178	}	1438	}
1179		1439
		1440	sub find;
1180	sub find_map {	1441	sub find {
1181	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1182		1443
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1445
1188	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1189		1447
1190	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1192		1450	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1451	or return;
1208		1452
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1454
1222	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($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;
1223	$map->reset;	1461	$map->reset;
1224	undef $guard;	1462	undef $guard;
1225	$map = cf::map::find_map ($path)	1463	return find $path;
1226	or return;
1227	}	1464	}
1228		1465
1229	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1230	}	1467	}
1231	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1232		1472
1233	sub load {	1473	sub load {
1234	my ($self) = @_;	1474	my ($self) = @_;
1235		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1236	my $path = $self->{path};	1478	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1238		1480
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1482
1241	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1242		1484
1243	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1244	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1491	or return;
1246		1492
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1494	if delete $self->{load_original};
1249		1495
1250	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1497	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1499	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1255	}	1501	}
1256	}	1502	}
1257		1503
		1504	Coro::cede;
1258	# now do the right thing for maps	1505	# now do the right thing for maps
1259	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1260		1508
1261	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1510	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1268	$self->set_darkness_map;	1514	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1271	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1272	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1273		1524
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1526	}
1276		1527
1277	sub load_map_sync {	1528	sub customise_for {
		1529	my ($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	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1278	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1279		1563
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1281		1566
1282	cf::sync_job {	1567	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1284	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;
1285	$map->load;	1591	$map->load;
1286	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1287	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1288	}	1601	}
1289		1602
1290	sub save {	1603	sub save {
1291	my ($self) = @_;	1604	my ($self) = @_;
1292		1605
		1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1607
1293	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1294		1609
1295	return unless $self->dirty;	1610	return unless $self->dirty;
1296		1611
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1614
1300	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1301		1616
1302	return if $self->{deny_save};	1617	return if $self->{deny_save};
1303		1618
		1619	local $self->{last_access} = $self->last_access;#d#
		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1304	if ($uniq) {	1625	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1628	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1630	}
1310	}	1631	}
1311		1632
1312	sub swap_out {	1633	sub swap_out {
1313	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;
1314		1640
1315	return if $self->players;	1641	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1643	return if $self->{deny_save};
1318		1644
1319	$self->save;
1320	$self->clear;	1645	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1646	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1647	}
1323		1648
1324	sub reset_at {	1649	sub reset_at {
1325	my ($self) = @_;	1650	my ($self) = @_;
1326		1651
1327	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1330		1655
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1658
…		…
1338	my ($self) = @_;	1663	my ($self) = @_;
1339		1664
1340	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1341	}	1666	}
1342		1667
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1668	sub reset {
1365	my ($self) = @_;	1669	my ($self) = @_;
1366		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1367	return if $self->players;	1673	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1369		1675
1370	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1371		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
1372	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1373		1691
1374	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1375		1693
1376	$self->unlink_save;	1694	$self->unlink_save;
1377	$self->destroy;	1695	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1381		1699
1382	sub nuke {	1700	sub nuke {
1383	my ($self) = @_;	1701	my ($self) = @_;
1384		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1388	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1389	}	1716	}
1390		1717
1391	sub customise_for {	1718	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1719
1394	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1396	}
1397		1722
1398	$map	1723	=cut
1399	}
1400		1724
1401	sub emergency_save {	1725	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1403		1728
1404	warn "enter emergency map save\n";	1729	my @paths;
1405		1730
1406	cf::sync_job {	1731	for (@$files) {
1407	warn "begin emergency map save\n";	1732	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1409	};	1737	}
1410		1738
1411	warn "end emergency map save\n";	1739	\@paths
1412	}	1740	}
1413		1741
1414	package cf;	1742	package cf;
1415		1743
1416	=back	1744	=back
1417		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
1418		1772
1419	=head3 cf::object::player	1773	=head3 cf::object::player
1420		1774
1421	=over 4	1775	=over 4
1422		1776
…		…
1462		1816
1463	=item $player_object->enter_link	1817	=item $player_object->enter_link
1464		1818
1465	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1466		1820
1467	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1468	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1469		1823
		1824	Will never block.
		1825
1470	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1471		1827
1472	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1831	fails, to the emergency map position.
1476		1832
1477	Might block.	1833	Might block.
1478		1834
1479	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1480		1846
1481	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1848	my ($self) = @_;
1483		1849
1484	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1485		1851
1486	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1853
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1855	if $self->map;
1490		1856
1491	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	1858	}
1493		1859
1494	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1496		1862
1497	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1498		1864
1499	unless ($map) {	1865	unless ($map) {
1500	# restore original map position	1866	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1503		1869
1504	unless ($map) {	1870	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1508	}	1874	}
1509	}	1875	}
1510		1876
1511	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1517		1883
1518	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1519		1886
		1887	return unless $self->contr->active;
1520	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1521	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1522	}	1892	}
1523		1893
1524	cf::player->attach (	1894	cf::player->attach (
1525	on_logout => sub {	1895	on_logout => sub {
…		…
1537		1907
1538	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1909	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1542	Coro::async {	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);
1543	# we need this sleep as the login has a concurrent enter_exit running	1917	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn	1918	# and this sleep increases chances of the player not ending up in scorn
1545	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1547	};	1921	})->prio (2);
1548	}	1922	}
1549	},	1923	},
1550	);	1924	);
1551		1925
1552	=item $player_object->goto_map ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1553		1927
1554	=cut	1928	=cut
1555		1929
1556	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1558		1932
1559	$self->enter_link;	1933	$self->enter_link;
1560		1934
1561	(Coro::async {	1935	(async {
1562	$path = new cf::path $path;	1936	my $map = eval {
1563
1564	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1566		1939	$map
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1568	# if $map;
1569
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1571		1942
1572	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1944	})->prio (1);
1574	}	1945	}
1575		1946
…		…
1579		1950
1580	sub parse_random_map_params {	1951	sub parse_random_map_params {
1581	my ($spec) = @_;	1952	my ($spec) = @_;
1582		1953
1583	my $rmp = { # defaults	1954	my $rmp = { # defaults
1584	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1586	};	1959	};
1587		1960
1588	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1590		1963
…		…
1594	$rmp	1967	$rmp
1595	}	1968	}
1596		1969
1597	sub prepare_random_map {	1970	sub prepare_random_map {
1598	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1974
1600	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1977	# that depends on the exit object
1603		1978
1604	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1605		1980
1606	if ($exit->map) {	1981	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1611	}	1986	}
1612		1987
1613	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1614		1989
1615	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1993
1618	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) {
1619	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;
1620		1998
1621	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	2000	$exit->msg (undef);
1623	}	2001	}
1624	}	2002	}
…		…
1626	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1628		2006
1629	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1630		2008
		2009	if ($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
1631	$self->enter_link;	2020	$self->enter_link;
1632		2021
1633	(Coro::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	2024	unless (eval {
1635		2025	$self->goto ($slaying, $hp, $sp);
1636	prepare_random_map $exit
1637	if $exit->slaying eq "/!";
1638
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1641		2026
1642	1;	2027	1;
1643	}) {	2028	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1648		2033
1649	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	2035	$self->leave_link;
1651	}	2036	}
1652	})->prio (1);	2037	})->prio (1);
…		…
1665		2050
1666	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1667	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1668		2053
1669	utf8::encode $text;	2054	utf8::encode $text;
1670	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1671	}	2056	}
1672		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	}
1673		2070
1674	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1675		2072
1676	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1677	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>,
…		…
1702	on_reply => sub {	2099	on_reply => sub {
1703	my ($ns, $msg) = @_;	2100	my ($ns, $msg) = @_;
1704		2101
1705	# this weird shuffling is so that direct followup queries	2102	# this weird shuffling is so that direct followup queries
1706	# get handled first	2103	# get handled first
1707	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
1708		2106
1709	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1710		2109
1711	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1712		2111
1713	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1714	if (@$queue) {	2113	if (@$queue) {
…		…
1718	}	2117	}
1719	}	2118	}
1720	},	2119	},
1721	);	2120	);
1722		2121
1723	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1724		2123
1725	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1726	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,
1727	or loss of connection).	2126	or loss of connection).
1728		2127
1729	=cut	2128	=cut
1730		2129
1731	sub cf::client::coro {	2130	sub cf::client::async {
1732	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1733		2132
1734	my $coro; $coro = async {	2133	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		2134
1741	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1743	});	2137	});
1744		2138
…		…
1777		2171
1778	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1779		2173
1780	=pod	2174	=pod
1781		2175
1782	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1783		2177
1784	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1785	cf::object::player player	2179	cf::object::player player
1786	cf::player peaceful	2180	cf::player peaceful
1787	cf::map trigger	2181	cf::map trigger
…		…
1872	#############################################################################	2266	#############################################################################
1873		2267
1874	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1875		2269
1876	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1877	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1878	excludes objects.	2272	convert to/from binary).
1879		2273
1880	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
1881	using it, it should be unique.	2275	using it, it should be unique.
1882		2276
1883	=over 4	2277	=over 4
1884		2278
1885	=item $hashref = cf::db_get $family
1886
1887	Return a hashref for use by the extension C<$family>, which can be
1888	modified. After modifications, you have to call C<cf::db_dirty> or
1889	C<cf::db_sync>.
1890
1891	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1892		2280
1893	Returns a single value from the database	2281	Returns a single value from the database.
1894
1895	=item cf::db_put $family => $hashref
1896
1897	Stores the given family hashref into the database. Updates are delayed, if
1898	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1899		2282
1900	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1901		2284
1902	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1903	want the data to be synced to disk immediately, use C<cf::db_sync>.
1904
1905	=item cf::db_dirty
1906
1907	Marks the database as dirty, to be updated at a later time.
1908
1909	=item cf::db_sync
1910
1911	Immediately write the database to disk I<if it is dirty>.
1912		2286
1913	=cut	2287	=cut
1914		2288
1915	our $DB;	2289	our $DB;
1916		2290
1917	{	2291	sub db_init {
1918	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1919		2294
1920	sub db_load() {	2295	cf::sync_job {
1921	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1922	}	2297	$DB->set_flags (BDB::CHKSUM);
1923		2298
1924	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1925		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1926	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1927	waitpid $pid, 0 if $pid;	2302	};
1928	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}	2304	};
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	2305	}
		2306	}
1946		2307
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}
1951
1952	sub db_get($;$) {	2308	sub db_get($$) {
1953	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1958	sub db_put($$;$) {	2319	sub db_put($$$) {
1959	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1960	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1961	} else {	2322	}
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966		2323
1967	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1968	prio => 10000,	2325
1969	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1970	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
1971	},	2356	}
1972	);	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"
1973	}	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	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
1974		2433
1975	#############################################################################	2434	#############################################################################
1976	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
1977		2523
1978	sub cfg_load {	2524	sub cfg_load {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2526	or return;
1981		2527
1982	local $/;	2528	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2529	*CFG = YAML::Syck::Load <$fh>;
		2530
		2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2532
		2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2535
		2536	if (exists $CFG{mlockall}) {
		2537	eval {
		2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2539	and die "WARNING: m(un)lockall failed: $!\n";
		2540	};
		2541	warn $@ if $@;
		2542	}
1984	}	2543	}
1985		2544
1986	sub main {	2545	sub main {
1987	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	2549	(async {
1991	Event::one_event;	2550	Event::one_event;
1992	})->();	2551	})->prio (Coro::PRIO_MAX);
1993	};	2552	};
1994		2553
1995	cfg_load;	2554	cfg_load;
1996	db_load;	2555	db_init;
1997	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
1998	Event::loop;	2559	Event::loop;
1999	}	2560	}
2000		2561
2001	#############################################################################	2562	#############################################################################
2002	# initialisation	2563	# initialisation and cleanup
2003		2564
		2565	# install some emergency cleanup handlers
		2566	BEGIN {
		2567	for my $signal (qw(INT HUP TERM)) {
		2568	Event->signal (
		2569	reentrant => 0,
		2570	data => WF_AUTOCANCEL,
		2571	signal => $signal,
		2572	prio => 0,
		2573	cb => sub {
		2574	cf::cleanup "SIG$signal";
		2575	},
		2576	);
		2577	}
		2578	}
		2579
		2580	sub emergency_save() {
		2581	my $freeze_guard = cf::freeze_mainloop;
		2582
		2583	warn "enter emergency perl save\n";
		2584
		2585	cf::sync_job {
		2586	# use a peculiar iteration method to avoid tripping on perl
		2587	# refcount bugs in for. also avoids problems with players
		2588	# and maps saved/destroyed asynchronously.
		2589	warn "begin emergency player save\n";
		2590	for my $login (keys %cf::PLAYER) {
		2591	my $pl = $cf::PLAYER{$login} or next;
		2592	$pl->valid or next;
		2593	$pl->save;
		2594	}
		2595	warn "end emergency player save\n";
		2596
		2597	warn "begin emergency map save\n";
		2598	for my $path (keys %cf::MAP) {
		2599	my $map = $cf::MAP{$path} or next;
		2600	$map->valid or next;
		2601	$map->save;
		2602	}
		2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
		2608	};
		2609
		2610	warn "leave emergency perl save\n";
		2611	}
		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2004	sub reload() {	2620	sub do_reload_perl() {
2005	# can/must only be called in main	2621	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2008	return;	2624	return;
2009	}	2625	}
2010		2626
2011	warn "reloading...";	2627	warn "reloading...";
2012		2628
2013	local $FREEZE = 1;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2015		2635
2016	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2017	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2018		2640
2019	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2644	}
2023		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2024	# cancel all extension coros	2657	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2659	%EXT_CORO = ();
2027		2660
2028	# unload all extensions	2661	warn "removing commands";
2029	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2669	warn "... unloading $pkg";
2031	unload_extension $_;	2670
		2671	if (my $cb = $pkg->can ("unload")) {
		2672	eval {
		2673	$cb->($pkg);
		2674	1
		2675	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2676	}
2033		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
2034	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2685
2038	warn "removing <$k>";	2686	warn "... unloading $k";
2039	delete $INC{$k};	2687	delete $INC{$k};
2040		2688
2041	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2043		2691
…		…
2046	}	2694	}
2047		2695
2048	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2049	}	2697	}
2050		2698
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2702
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2064		2705
2065	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2707	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2068		2709
2069	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
2070	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2071	require cf;	2713	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2715
2074	# load config and database again	2716	warn "loading config and database again";
2075	cf::cfg_load;	2717	cf::cfg_load;
2076	cf::db_load;
2077		2718
2078	# load extensions
2079	warn "load extensions";	2719	warn "loading extensions";
2080	cf::load_extensions;	2720	cf::load_extensions;
2081		2721
2082	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
2083	warn "reattach";	2723	_global_reattach; # objects, sockets
2084	_global_reattach;	2724	warn "reattaching attachments to maps";
2085	};	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2086		2728
2087	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2088	warn $@;	2733	warn $@;
2089	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2090	exit 1;	2735	exit 1;
2091	}	2736	};
2092		2737
2093	warn "reloaded successfully";	2738	warn "reloaded";
2094	};	2739	};
2095		2740
2096	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2097		2742
2098	unless ($LINK_MAP) {	2743	sub reload_perl() {
2099	$LINK_MAP = cf::map::new;	2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
2100		2746
2101	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2102	$LINK_MAP->height (41);	2748	reentrant => 0,
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2111	cb => sub {	2751	cb => sub {
2112	$_[0]->w->cancel;	2752	do_reload_perl;
2113		2753	undef $RELOAD_WATCHER;
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});	2754	},
2132		2755	);
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	2756	}
2138
2139	register "<global>", __PACKAGE__;
2140		2757
2141	register_command "reload" => sub {	2758	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2143		2760
2144	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2148	}	2764	}
2149	};	2765	};
2150		2766
2151	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2152		2791
2153	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2155	prio => 0,	2795	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2158	cb => sub {	2798	cb => sub {
2159	unless ($FREEZE) {	2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
		2805	$NOW = Event::time;
		2806
2160	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2161	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
		2811
		2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
2165		2822
2166	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2825
2169	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2171	},	2837	},
2172	);	2838	);
2173		2839
		2840	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2175		2842	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	2843	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2178	poll => 'r',	2845	poll => 'r',
2179	prio => 5,	2846	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2186	after => 0,	2848	cb => \&BDB::poll_cb,
2187	interval => 10,	2849	);
2188	cb => sub {	2850	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	2851
2190	write_runtime	2852	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	2886	};
2193	},	2887	}
2194	);	2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
		2894	IO::AIO::max_poll_time $TICK * 0.1;
		2895	$AIO_POLL_WATCHER = Event->io (
		2896	reentrant => 0,
		2897	data => WF_AUTOCANCEL,
		2898	fd => IO::AIO::poll_fileno,
		2899	poll => 'r',
		2900	prio => 6,
		2901	cb => \&IO::AIO::poll_cb,
		2902	);
		2903	}
		2904
		2905	# load additional modules
		2906	use cf::pod;
2195		2907
2196	END { cf::emergency_save }	2908	END { cf::emergency_save }
2197		2909
2198	1	2910	1
2199		2911

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