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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available	101	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		102
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
119	utf8::encode $msg;	151	utf8::encode $msg;
120		152
121	$msg .= "\n"	153	$msg .= "\n"
122	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
123		155
124	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
125	};	157	};
126	}	158	}
127		159
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151		183
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
160	=cut	188	=item dumpval $ref
161		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		212
164	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
165		214
166	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
167		216
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
176		218
177	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
178		220
179	=cut
180
181	sub to_json($) {
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	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
249		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
328		344
329	$coro	345	$coro
330	}	346	}
331		347
332	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
333	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
334		352
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	354	or return;
337		355
		356	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	361	and return;
341		362
		363	# always fsync - this file is important
342	aio_fsync $fh	364	aio_fsync $fh
343	and return;	365	and return;
344		366
345	close $fh	367	close $fh
346	or return;	368	or return;
…		…
349	and return;	371	and return;
350		372
351	1	373	1
352	}	374	}
353		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
354	=back	387	=back
355		388
356	=cut	389	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		390
478	#############################################################################	391	#############################################################################
479		392
480	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
481		394
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	521	our @CB_MAP = ();
609		522
610	my %attachment;	523	my %attachment;
611		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
612	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
614		533
615	use sort 'stable';	534	use sort 'stable';
616		535
…		…
787	# object support	706	# object support
788		707
789	sub reattach {	708	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		713
793	my $registry = $obj->registry;	714	my $registry = $obj->registry;
794		715
795	@$registry = ();	716	@$registry = ();
796		717
…		…
843	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
844		765
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	770	close $fh;
850		771
851	if (@$objs) {	772	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	778	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
859	}	780	}
860	} else {	781	} else {
861	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
928	=cut	849	=cut
929		850
930	sub register_extcmd {	851	sub register_extcmd {
931	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
932		853
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
937	}	855	}
938		856
939	cf::player->attach (	857	cf::player->attach (
940	on_command => sub {	858	on_command => sub {
941	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
954		872
955	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
956		874
957	if (ref $msg) {	875	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	879	}
962	}	880	}
963	} else {	881	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		884
967	cf::override;	885	cf::override;
968	},	886	},
969	);	887	);
970		888
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	889	sub load_extension {
978	my ($path) = @_;	890	my ($path) = @_;
979		891
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	893	my $base = $1;
982	my $pkg = $1;	894	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
985		897
986	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
987		899
988	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
989	or die "$path: $!";	901	or die "$path: $!";
990		902
991	my $source =	903	my $source =
992	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
995	. "\n};\n1";	907	. "\n};\n1";
996		908
997	eval $source	909	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	911	: "extension disabled.\n";
1000		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	913	warn $@;
1002	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1003		915	exit 1;
1004	# no strict 'refs';	916	}
1005	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	918	}
1020		919
1021	# remove commands	920	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	921	}
1046		922
1047	sub load_extensions {	923	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	925	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1054	}	930	}
1055	}	931	}
1056		932
1057	#############################################################################	933	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		934
1095	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1096		936
1097	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1098		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1099	=head3 cf::player	945	=head3 cf::player
1100		946
1101	=over 4	947	=over 4
1102		948
1103	=item cf::player::exists $login	949	=item cf::player::find $login
1104		950
1105	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1106		952
1107	=cut	953	=cut
1108		954
1109	sub cf::player::exists($) {	955	sub playerdir($) {
1110	cf::player::find $_[0]	956	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	961	}
1113		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1115		1135
1116	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1117		1137
1118	=cut	1138	=cut
1119		1139
1120	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1121	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1122		1142
1123	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1124		1144
1125	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1126	}	1187	}
1127		1188
1128	=back	1189	=back
1129
1130		1190
1131	=head3 cf::map	1191	=head3 cf::map
1132		1192
1133	=over 4	1193	=over 4
1134		1194
…		…
1137	package cf::map;	1197	package cf::map;
1138		1198
1139	use Fcntl;	1199	use Fcntl;
1140	use Coro::AIO;	1200	use Coro::AIO;
1141		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1142	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1144		1208
1145	sub generate_random_map {	1209	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1212	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1354	}
1163		1355
1164	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1165	# all maps in C++...	1357	# all maps in C++...
1166	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1168		1360
1169	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1171	}	1363	}
1172		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1173	sub try_load_header($) {	1373	sub load_header_from($) {
1174	my ($path) = @_;	1374	my ($self, $path) = @_;
1175		1375
1176	utf8::encode $path;	1376	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1178	or return;	1381	or return;
1179		1382
1180	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1181	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1182		1429
1183	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1184	or return;	1431	unless $self->default_region;
1185		1432
1186	$map->{load_path} = $path;	1433	1
1187
1188	$map
1189	}	1434	}
1190		1435
1191	sub find_map;	1436	sub find;
1192	sub find_map {	1437	sub find {
1193	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1194		1439
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1441
1200	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1201		1443
1202	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1204		1446	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1447	or return;
1220		1448
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1450
1234	if ($map->should_reset) {	1451	$map->load_header
		1452	or return;
		1453
		1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1457	$map->reset;
1236	undef $guard;	1458	undef $guard;
1237	$map = find_map $path	1459	return find $path;
1238	or return;
1239	}	1460	}
1240		1461
1241	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1242	}	1463	}
1243	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1244		1468
1245	sub load {	1469	sub load {
1246	my ($self) = @_;	1470	my ($self) = @_;
1247		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1248	my $path = $self->{path};	1474	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1250		1476
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1478
1253	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1254		1480
1255	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1256	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1487	or return;
1258		1488
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1490	if delete $self->{load_original};
1261		1491
1262	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1493	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1495	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1267	}	1497	}
1268	}	1498	}
1269		1499
		1500	Coro::cede;
1270	# now do the right thing for maps	1501	# now do the right thing for maps
1271	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1272		1504
1273	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1506	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1280	$self->set_darkness_map;	1510	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1283	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1284	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1285		1520
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1522	}
1288		1523
1289	sub load_map_sync {	1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1290	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1291		1559
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1293		1562
1294	cf::sync_job {	1563	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1296	or return;	1565
		1566	cf::sync_job { $map->load };
		1567	}
		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
1297	$map->load;	1587	$map->load;
1298	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1299	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1300	}	1597	}
1301		1598
1302	sub save {	1599	sub save {
1303	my ($self) = @_;	1600	my ($self) = @_;
1304		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1305	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1306		1605
1307	return unless $self->dirty;	1606	return unless $self->dirty;
1308		1607
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1610
1312	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1313		1612
1314	return if $self->{deny_save};	1613	return if $self->{deny_save};
1315		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1316	if ($uniq) {	1621	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1624	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1626	}
1322	}	1627	}
1323		1628
1324	sub swap_out {	1629	sub swap_out {
1325	my ($self) = @_;	1630	my ($self) = @_;
		1631
		1632	# save first because save cedes
		1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1636
1327	return if $self->players;	1637	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1639	return if $self->{deny_save};
1330		1640
1331	$self->save;
1332	$self->clear;	1641	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1643	}
1335		1644
1336	sub reset_at {	1645	sub reset_at {
1337	my ($self) = @_;	1646	my ($self) = @_;
1338		1647
1339	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1342		1651
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1654
…		…
1350	my ($self) = @_;	1659	my ($self) = @_;
1351		1660
1352	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1353	}	1662	}
1354		1663
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1664	sub reset {
1377	my ($self) = @_;	1665	my ($self) = @_;
1378		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1379	return if $self->players;	1669	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1381		1671
1382	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1383		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1384	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1385		1687
1386	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1387		1689
1388	$self->unlink_save;	1690	$self->unlink_save;
1389	$self->destroy;	1691	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1393		1695
1394	sub nuke {	1696	sub nuke {
1395	my ($self) = @_;	1697	my ($self) = @_;
1396		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1400	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1401	}	1712	}
1402		1713
1403	sub customise_for {	1714	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1715
1406	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1408	}
1409		1718
1410	$map	1719	=cut
1411	}
1412		1720
1413	sub emergency_save {	1721	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1415		1724
1416	warn "enter emergency map save\n";	1725	my @paths;
1417		1726
1418	cf::sync_job {	1727	for (@$files) {
1419	warn "begin emergency map save\n";	1728	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1421	};	1733	}
1422		1734
1423	warn "end emergency map save\n";	1735	\@paths
1424	}	1736	}
1425		1737
1426	package cf;	1738	package cf;
1427		1739
1428	=back	1740	=back
1429		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1430		1768
1431	=head3 cf::object::player	1769	=head3 cf::object::player
1432		1770
1433	=over 4	1771	=over 4
1434		1772
…		…
1474		1812
1475	=item $player_object->enter_link	1813	=item $player_object->enter_link
1476		1814
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1816
1479	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1481		1819
		1820	Will never block.
		1821
1482	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1483		1823
1484	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1827	fails, to the emergency map position.
1488		1828
1489	Might block.	1829	Might block.
1490		1830
1491	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1492		1842
1493	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1844	my ($self) = @_;
1495		1845
1496	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1497		1847
1498	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1849
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1851	if $self->map;
1502		1852
1503	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1854	}
1505		1855
1506	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1508		1858
1509	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1510		1860
1511	unless ($map) {	1861	unless ($map) {
1512	# restore original map position	1862	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1515		1865
1516	unless ($map) {	1866	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1520	}	1870	}
1521	}	1871	}
1522		1872
1523	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1529		1879
1530	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1531		1882
		1883	return unless $self->contr->active;
1532	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1534	}	1888	}
1535		1889
1536	cf::player->attach (	1890	cf::player->attach (
1537	on_logout => sub {	1891	on_logout => sub {
…		…
1549		1903
1550	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1905	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1554	cf::async {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1555	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1559	};	1917	})->prio (2);
1560	}	1918	}
1561	},	1919	},
1562	);	1920	);
1563		1921
1564	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1565		1923
1566	=cut	1924	=cut
1567		1925
1568	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1570		1928
1571	$self->enter_link;	1929	$self->enter_link;
1572		1930
1573	(cf::async {	1931	(async {
1574	$path = new cf::path $path;	1932	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1578		1935	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1938
1584	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1940	})->prio (1);
1586	}	1941	}
1587		1942
…		…
1591		1946
1592	sub parse_random_map_params {	1947	sub parse_random_map_params {
1593	my ($spec) = @_;	1948	my ($spec) = @_;
1594		1949
1595	my $rmp = { # defaults	1950	my $rmp = { # defaults
1596	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1598	};	1955	};
1599		1956
1600	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1602		1959
…		…
1606	$rmp	1963	$rmp
1607	}	1964	}
1608		1965
1609	sub prepare_random_map {	1966	sub prepare_random_map {
1610	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1970
1612	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1973	# that depends on the exit object
1615		1974
1616	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1617		1976
1618	if ($exit->map) {	1977	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1623	}	1982	}
1624		1983
1625	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1626		1985
1627	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1989
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1632		1994
1633	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1996	$exit->msg (undef);
1635	}	1997	}
1636	}	1998	}
…		…
1638	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1640		2002
1641	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1642		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1643	$self->enter_link;	2016	$self->enter_link;
1644		2017
1645	(cf::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	2020	unless (eval {
1647	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		2022
1653	1;	2023	1;
1654	}) {	2024	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2029
1660	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2031	$self->leave_link;
1662	}	2032	}
1663	})->prio (1);	2033	})->prio (1);
…		…
1676		2046
1677	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1679		2049
1680	utf8::encode $text;	2050	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2052	}
1683		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1684		2066
1685	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1686		2068
1687	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1688	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1713	on_reply => sub {	2095	on_reply => sub {
1714	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1715		2097
1716	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1717	# get handled first	2099	# get handled first
1718	my $queue = delete $ns->{query_queue};	2100	my $queue = delete $ns->{query_queue}
		2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		2102
1720	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		2105
1722	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1723		2107
1724	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	2109	if (@$queue) {
…		…
1729	}	2113	}
1730	}	2114	}
1731	},	2115	},
1732	);	2116	);
1733		2117
1734	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1735		2119
1736	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	2122	or loss of connection).
1739		2123
1740	=cut	2124	=cut
1741		2125
1742	sub cf::client::coro {	2126	sub cf::client::async {
1743	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1744		2128
1745	my $coro = &cf::async ($cb);	2129	my $coro = &Coro::async ($cb);
1746		2130
1747	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1749	});	2133	});
1750		2134
…		…
1783		2167
1784	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1785		2169
1786	=pod	2170	=pod
1787		2171
1788	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1789		2173
1790	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1791	cf::object::player player	2175	cf::object::player player
1792	cf::player peaceful	2176	cf::player peaceful
1793	cf::map trigger	2177	cf::map trigger
…		…
1886	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1887	using it, it should be unique.	2271	using it, it should be unique.
1888		2272
1889	=over 4	2273	=over 4
1890		2274
1891	=item $hashref = cf::db_get $family
1892
1893	Return a hashref for use by the extension C<$family>, which can be
1894	modified. After modifications, you have to call C<cf::db_dirty> or
1895	C<cf::db_sync>.
1896
1897	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1898		2276
1899	Returns a single value from the database	2277	Returns a single value from the database.
1900
1901	=item cf::db_put $family => $hashref
1902
1903	Stores the given family hashref into the database. Updates are delayed, if
1904	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1905		2278
1906	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1907		2280
1908	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1909	want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911	=item cf::db_dirty
1912
1913	Marks the database as dirty, to be updated at a later time.
1914
1915	=item cf::db_sync
1916
1917	Immediately write the database to disk I<if it is dirty>.
1918		2282
1919	=cut	2283	=cut
1920		2284
1921	our $DB;	2285	our $DB;
1922		2286
1923	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1924	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1925		2306
1926	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1927	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1928	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1929		2311
1930	my $pid;	2312	unlink $path;
1931
1932	sub db_save() {
1933	waitpid $pid, 0 if $pid;
1934	if (0 == ($pid = fork)) {
1935	$DB->{_meta}{version} = 1;
1936	Storable::nstore $DB, "$path~";
1937	rename "$path~", $path;
1938	cf::_exit 0 if defined $pid;
1939	}	2313	};
1940	}
1941
1942	my $dirty;
1943
1944	sub db_sync() {
1945	db_save if $dirty;
1946	undef $dirty;
1947	}
1948
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;
1951	});
1952
1953	sub db_dirty() {
1954	$dirty = 1;
1955	$idle->start;
1956	}
1957
1958	sub db_get($;$) {
1959	@_ >= 2
1960	? $DB->{$_[0]}{$_[1]}
1961	: ($DB->{$_[0]} ||= { })
1962	}
1963
1964	sub db_put($$;$) {
1965	if (@_ >= 3) {
1966	$DB->{$_[0]}{$_[1]} = $_[2];
1967	} else {
1968	$DB->{$_[0]} = $_[1];
1969	}
1970	db_dirty;
1971	}
1972
1973	cf::global->attach (
1974	prio => 10000,
1975	on_cleanup => sub {
1976	db_sync;
1977	},	2314	}
1978	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
1979	}	2371	}
1980		2372
1981	#############################################################################	2373	#############################################################################
1982	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
1983		2462
1984	sub cfg_load {	2463	sub cfg_load {
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2465	or return;
1987		2466
1988	local $/;	2467	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2468	*CFG = YAML::Syck::Load <$fh>;
		2469
		2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2471
		2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2474
		2475	if (exists $CFG{mlockall}) {
		2476	eval {
		2477	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2478	and die "WARNING: m(un)lockall failed: $!\n";
		2479	};
		2480	warn $@ if $@;
		2481	}
1990	}	2482	}
1991		2483
1992	sub main {	2484	sub main {
1993	# we must not ever block the main coroutine	2485	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2486	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	2488	(async {
1997	Event::one_event;	2489	Event::one_event;
1998	})->();	2490	})->prio (Coro::PRIO_MAX);
1999	};	2491	};
2000		2492
2001	cfg_load;	2493	cfg_load;
2002	db_load;	2494	db_init;
2003	load_extensions;	2495	load_extensions;
		2496
		2497	$TICK_WATCHER->start;
2004	Event::loop;	2498	Event::loop;
2005	}	2499	}
2006		2500
2007	#############################################################################	2501	#############################################################################
2008	# initialisation	2502	# initialisation and cleanup
2009		2503
		2504	# install some emergency cleanup handlers
		2505	BEGIN {
		2506	for my $signal (qw(INT HUP TERM)) {
		2507	Event->signal (
		2508	reentrant => 0,
		2509	data => WF_AUTOCANCEL,
		2510	signal => $signal,
		2511	prio => 0,
		2512	cb => sub {
		2513	cf::cleanup "SIG$signal";
		2514	},
		2515	);
		2516	}
		2517	}
		2518
		2519	sub emergency_save() {
		2520	my $freeze_guard = cf::freeze_mainloop;
		2521
		2522	warn "enter emergency perl save\n";
		2523
		2524	cf::sync_job {
		2525	# use a peculiar iteration method to avoid tripping on perl
		2526	# refcount bugs in for. also avoids problems with players
		2527	# and maps saved/destroyed asynchronously.
		2528	warn "begin emergency player save\n";
		2529	for my $login (keys %cf::PLAYER) {
		2530	my $pl = $cf::PLAYER{$login} or next;
		2531	$pl->valid or next;
		2532	$pl->save;
		2533	}
		2534	warn "end emergency player save\n";
		2535
		2536	warn "begin emergency map save\n";
		2537	for my $path (keys %cf::MAP) {
		2538	my $map = $cf::MAP{$path} or next;
		2539	$map->valid or next;
		2540	$map->save;
		2541	}
		2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
		2547	};
		2548
		2549	warn "leave emergency perl save\n";
		2550	}
		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
2010	sub reload() {	2559	sub do_reload_perl() {
2011	# can/must only be called in main	2560	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2562	warn "can only reload from main coroutine";
2014	return;	2563	return;
2015	}	2564	}
2016		2565
2017	warn "reloading...";	2566	warn "reloading...";
2018		2567
2019	local $FREEZE = 1;	2568	warn "entering sync_job";
		2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
2020	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
2021		2574
2022	eval {	2575	warn "syncing database to disk";
		2576	BDB::db_env_txn_checkpoint $DB_ENV;
		2577
2023	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
2024		2579
2025	# cancel all watchers	2580	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2583	}
2029		2584
		2585	warn "flushing outstanding aio requests";
		2586	for (;;) {
		2587	BDB::flush;
		2588	IO::AIO::flush;
		2589	Coro::cede;
		2590	last unless IO::AIO::nreqs || BDB::nreqs;
		2591	warn "iterate...";
		2592	}
		2593
		2594	++$RELOAD;
		2595
2030	# cancel all extension coros	2596	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2598	%EXT_CORO = ();
2033		2599
2034	# unload all extensions	2600	warn "removing commands";
2035	for (@exts) {	2601	%COMMAND = ();
		2602
		2603	warn "removing ext commands";
		2604	%EXTCMD = ();
		2605
		2606	warn "unloading/nuking all extensions";
		2607	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2608	warn "... unloading $pkg";
2037	unload_extension $_;	2609
		2610	if (my $cb = $pkg->can ("unload")) {
		2611	eval {
		2612	$cb->($pkg);
		2613	1
		2614	} or warn "$pkg unloaded, but with errors: $@";
2038	}	2615	}
2039		2616
		2617	warn "... nuking $pkg";
		2618	Symbol::delete_package $pkg;
		2619	}
		2620
2040	# unload all modules loaded from $LIBDIR	2621	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2622	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2624
2044	warn "removing <$k>";	2625	warn "... unloading $k";
2045	delete $INC{$k};	2626	delete $INC{$k};
2046		2627
2047	$k =~ s/\.pm$//;	2628	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	2629	$k =~ s/\//::/g;
2049		2630
…		…
2052	}	2633	}
2053		2634
2054	Symbol::delete_package $k;	2635	Symbol::delete_package $k;
2055	}	2636	}
2056		2637
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2638	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2639	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		2641
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2642	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2643	delete $INC{"cf.pm"};
2070		2644
2071	# don't, removes xs symbols, too,	2645	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2646	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2647	#Symbol::delete_package __PACKAGE__;
2074		2648
2075	# reload cf.pm	2649	warn "unload completed, starting to reload now";
		2650
2076	warn "reloading cf.pm";	2651	warn "reloading cf.pm";
2077	require cf;	2652	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2654
2080	# load config and database again	2655	warn "loading config and database again";
2081	cf::cfg_load;	2656	cf::cfg_load;
2082	cf::db_load;
2083		2657
2084	# load extensions
2085	warn "load extensions";	2658	warn "loading extensions";
2086	cf::load_extensions;	2659	cf::load_extensions;
2087		2660
2088	# reattach attachments to objects	2661	warn "reattaching attachments to objects/players";
2089	warn "reattach";	2662	_global_reattach; # objects, sockets
2090	_global_reattach;	2663	warn "reattaching attachments to maps";
2091	};	2664	reattach $_ for values %MAP;
		2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
2092		2667
2093	if ($@) {	2668	warn "leaving sync_job";
		2669
		2670	1
		2671	} or do {
2094	warn $@;	2672	warn $@;
2095	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
2096	exit 1;	2674	exit 1;
2097	}	2675	};
2098		2676
2099	warn "reloaded successfully";	2677	warn "reloaded";
2100	};	2678	};
2101		2679
2102	#############################################################################	2680	our $RELOAD_WATCHER; # used only during reload
2103		2681
2104	unless ($LINK_MAP) {	2682	sub reload_perl() {
2105	$LINK_MAP = cf::map::new;	2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
2106		2685
2107	$LINK_MAP->width (41);	2686	$RELOAD_WATCHER ||= Event->timer (
2108	$LINK_MAP->height (41);	2687	reentrant => 0,
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,	2688	after => 0,
		2689	data => WF_AUTOCANCEL,
2117	cb => sub {	2690	cb => sub {
2118	$_[0]->w->cancel;	2691	do_reload_perl;
2119		2692	undef $RELOAD_WATCHER;
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});	2693	},
2138		2694	);
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}	2695	}
2144
2145	register "<global>", __PACKAGE__;
2146		2696
2147	register_command "reload" => sub {	2697	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2149		2699
2150	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");
2152	reload;
2153	$who->message ("end of reload.");	2701	$who->message ("reloading server.");
		2702	async { reload_perl };
2154	}	2703	}
2155	};	2704	};
2156		2705
2157	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
		2707
		2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2158		2730
2159	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	2732	reentrant => 0,
		2733	parked => 1,
2161	prio => 0,	2734	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2735	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2164	cb => sub {	2737	cb => sub {
2165	unless ($FREEZE) {	2738	if ($Coro::current != $Coro::main) {
		2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2740	unless ++$bug_warning > 10;
		2741	return;
		2742	}
		2743
		2744	$NOW = Event::time;
		2745
2166	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2167	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
		2750
		2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2753	Coro::async_pool {
		2754	write_runtime
		2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
		2757	}
		2758
		2759	# my $AFTER = Event::time;
		2760	# warn $AFTER - $NOW;#d#
2171		2761
2172	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2764
2175	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2176	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2177	},	2776	},
2178	);	2777	);
2179		2778
		2779	{
2180	IO::AIO::max_poll_time $TICK * 0.2;	2780	BDB::max_poll_time $TICK * 0.1;
2181		2781	$BDB_POLL_WATCHER = Event->io (
2182	Event->io (	2782	reentrant => 0,
2183	fd => IO::AIO::poll_fileno,	2783	fd => BDB::poll_fileno,
2184	poll => 'r',	2784	poll => 'r',
2185	prio => 5,	2785	prio => 0,
2186	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,
2188	);
2189
2190	Event->timer (
2191	data => WF_AUTOCANCEL,	2786	data => WF_AUTOCANCEL,
2192	after => 0,	2787	cb => \&BDB::poll_cb,
2193	interval => 10,	2788	);
2194	cb => sub {	2789	BDB::min_parallel 8;
2195	(Coro::unblock_sub {	2790
2196	write_runtime	2791	BDB::set_sync_prepare {
2197	or warn "ERROR: unable to write runtime file: $!";	2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
2198	})->();	2825	};
2199	},	2826	}
2200	);	2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
		2833	IO::AIO::max_poll_time $TICK * 0.1;
		2834	$AIO_POLL_WATCHER = Event->io (
		2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
		2837	fd => IO::AIO::poll_fileno,
		2838	poll => 'r',
		2839	prio => 6,
		2840	cb => \&IO::AIO::poll_cb,
		2841	);
		2842	}
		2843
		2844	# load additional modules
		2845	use cf::pod;
2201		2846
2202	END { cf::emergency_save }	2847	END { cf::emergency_save }
2203		2848
2204	1	2849	1
2205		2850

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