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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.246 by root, Tue Apr 17 10:38:28 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) = @_;
1326		1631
1327	# save first because save cedes	1632	# save first because save cedes
1328	$self->save;	1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1636
1330	return if $self->players;	1637	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1639	return if $self->{deny_save};
1333		1640
…		…
1337		1644
1338	sub reset_at {	1645	sub reset_at {
1339	my ($self) = @_;	1646	my ($self) = @_;
1340		1647
1341	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1344		1651
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1654
…		…
1352	my ($self) = @_;	1659	my ($self) = @_;
1353		1660
1354	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1355	}	1662	}
1356		1663
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1664	sub reset {
1379	my ($self) = @_;	1665	my ($self) = @_;
1380		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1381	return if $self->players;	1669	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1383		1671
1384	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1385		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
1386	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1387		1687
1388	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1389		1689
1390	$self->unlink_save;	1690	$self->unlink_save;
1391	$self->destroy;	1691	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1395		1695
1396	sub nuke {	1696	sub nuke {
1397	my ($self) = @_;	1697	my ($self) = @_;
1398		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1402	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1403	}	1712	}
1404		1713
1405	sub customise_for {	1714	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1715
1408	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1410	}
1411		1718
1412	$map	1719	=cut
1413	}
1414		1720
1415	sub emergency_save {	1721	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1417		1724
1418	warn "enter emergency map save\n";	1725	my @paths;
1419		1726
1420	cf::sync_job {	1727	for (@$files) {
1421	warn "begin emergency map save\n";	1728	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1423	};	1733	}
1424		1734
1425	warn "end emergency map save\n";	1735	\@paths
1426	}	1736	}
1427		1737
1428	package cf;	1738	package cf;
1429		1739
1430	=back	1740	=back
1431		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
1432		1768
1433	=head3 cf::object::player	1769	=head3 cf::object::player
1434		1770
1435	=over 4	1771	=over 4
1436		1772
…		…
1476		1812
1477	=item $player_object->enter_link	1813	=item $player_object->enter_link
1478		1814
1479	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}>).
1480		1816
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1483		1819
		1820	Will never block.
		1821
1484	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1485		1823
1486	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1827	fails, to the emergency map position.
1490		1828
1491	Might block.	1829	Might block.
1492		1830
1493	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
1494		1842
1495	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1844	my ($self) = @_;
1497		1845
1498	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1499		1847
1500	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1849
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1851	if $self->map;
1504		1852
1505	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1854	}
1507		1855
1508	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1510		1858
1511	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1512		1860
1513	unless ($map) {	1861	unless ($map) {
1514	# restore original map position	1862	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1517		1865
1518	unless ($map) {	1866	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1522	}	1870	}
1523	}	1871	}
1524		1872
1525	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1531		1879
1532	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1533		1882
		1883	return unless $self->contr->active;
1534	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1536	}	1888	}
1537		1889
1538	cf::player->attach (	1890	cf::player->attach (
1539	on_logout => sub {	1891	on_logout => sub {
…		…
1551		1903
1552	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1905	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1556	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);
1557	# 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
1558	# 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
1559	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1561	};	1917	})->prio (2);
1562	}	1918	}
1563	},	1919	},
1564	);	1920	);
1565		1921
1566	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1567		1923
1568	=cut	1924	=cut
1569		1925
1570	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1572		1928
1573	$self->enter_link;	1929	$self->enter_link;
1574		1930
1575	(cf::async {	1931	(async {
1576	$path = new cf::path $path;	1932	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1580		1935	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1582	# if $map;
1583
1584	$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);
1585		1938
1586	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1940	})->prio (1);
1588	}	1941	}
1589		1942
…		…
1593		1946
1594	sub parse_random_map_params {	1947	sub parse_random_map_params {
1595	my ($spec) = @_;	1948	my ($spec) = @_;
1596		1949
1597	my $rmp = { # defaults	1950	my $rmp = { # defaults
1598	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1600	};	1955	};
1601		1956
1602	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1604		1959
…		…
1608	$rmp	1963	$rmp
1609	}	1964	}
1610		1965
1611	sub prepare_random_map {	1966	sub prepare_random_map {
1612	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1970
1614	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1973	# that depends on the exit object
1617		1974
1618	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1619		1976
1620	if ($exit->map) {	1977	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1625	}	1982	}
1626		1983
1627	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1628		1985
1629	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1989
1632	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) {
1633	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;
1634		1994
1635	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1996	$exit->msg (undef);
1637	}	1997	}
1638	}	1998	}
…		…
1640	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1642		2002
1643	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1644		2004
		2005	if ($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
1645	$self->enter_link;	2016	$self->enter_link;
1646		2017
1647	(cf::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	2020	unless (eval {
1649	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		2022
1655	1;	2023	1;
1656	}) {	2024	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "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. "
1659	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1661		2029
1662	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	2031	$self->leave_link;
1664	}	2032	}
1665	})->prio (1);	2033	})->prio (1);
…		…
1678		2046
1679	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1680	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1681		2049
1682	utf8::encode $text;	2050	utf8::encode $text;
1683	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1684	}	2052	}
1685		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	}
1686		2066
1687	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1688		2068
1689	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1690	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>,
…		…
1719	# get handled first	2099	# get handled first
1720	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2102
1723	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2105
1725	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1726		2107
1727	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2109	if (@$queue) {
…		…
1732	}	2113	}
1733	}	2114	}
1734	},	2115	},
1735	);	2116	);
1736		2117
1737	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1738		2119
1739	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1740	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,
1741	or loss of connection).	2122	or loss of connection).
1742		2123
1743	=cut	2124	=cut
1744		2125
1745	sub cf::client::coro {	2126	sub cf::client::async {
1746	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1747		2128
1748	my $coro = &cf::async ($cb);	2129	my $coro = &Coro::async ($cb);
1749		2130
1750	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1752	});	2133	});
1753		2134
…		…
1786		2167
1787	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1788		2169
1789	=pod	2170	=pod
1790		2171
1791	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1792		2173
1793	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1794	cf::object::player player	2175	cf::object::player player
1795	cf::player peaceful	2176	cf::player peaceful
1796	cf::map trigger	2177	cf::map trigger
…		…
1889	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
1890	using it, it should be unique.	2271	using it, it should be unique.
1891		2272
1892	=over 4	2273	=over 4
1893		2274
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1901		2276
1902	Returns a single value from the database	2277	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2278
1909	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1910		2280
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2282
1922	=cut	2283	=cut
1923		2284
1924	our $DB;	2285	our $DB;
1925		2286
1926	{	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
1927	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;
1928		2306
1929	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2311
1933	my $pid;	2312	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2313	};
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});
1955
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {
1962	@_ >= 2
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966
1967	sub db_put($$;$) {
1968	if (@_ >= 3) {
1969	$DB->{$_[0]}{$_[1]} = $_[2];
1970	} else {
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2314	}
1981	);	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 $_[2], 0, sub { };
1982	}	2332	}
1983		2333
1984	#############################################################################	2334	#############################################################################
1985	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata($) {
		2338	my ($path) = @_;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub reload_facedata {
		2390	load_facedata sprintf "%s/facedata", cf::datadir
		2391	or die "unable to load facedata\n";
		2392	}
		2393
		2394	sub reload_regions {
		2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2396	or die "unable to load regions file\n";
		2397	}
		2398
		2399	sub reload_archetypes {
		2400	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2401	or die "unable to load archetypes\n";
		2402	}
		2403
		2404	sub reload_treasures {
		2405	load_treasure_file sprintf "%s/treasures", cf::datadir
		2406	or die "unable to load treasurelists\n";
		2407	}
		2408
		2409	sub reload_resources {
		2410	warn "reloading resource files...\n";
		2411
		2412	reload_regions;
		2413	reload_facedata;
		2414	reload_archetypes;
		2415	reload_treasures;
		2416
		2417	warn "finished reloading resource files\n";
		2418	}
		2419
		2420	sub init {
		2421	reload_resources;
		2422	}
1986		2423
1987	sub cfg_load {	2424	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2425	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2426	or return;
1990		2427
1991	local $/;	2428	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2429	*CFG = YAML::Syck::Load <$fh>;
		2430
		2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2432
		2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2435
		2436	if (exists $CFG{mlockall}) {
		2437	eval {
		2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2439	and die "WARNING: m(un)lockall failed: $!\n";
		2440	};
		2441	warn $@ if $@;
		2442	}
1993	}	2443	}
1994		2444
1995	sub main {	2445	sub main {
1996	# we must not ever block the main coroutine	2446	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2447	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2449	(async {
2000	Event::one_event;	2450	Event::one_event;
2001	})->();	2451	})->prio (Coro::PRIO_MAX);
2002	};	2452	};
2003		2453
2004	cfg_load;	2454	cfg_load;
2005	db_load;	2455	db_init;
2006	load_extensions;	2456	load_extensions;
		2457
		2458	$TICK_WATCHER->start;
2007	Event::loop;	2459	Event::loop;
2008	}	2460	}
2009		2461
2010	#############################################################################	2462	#############################################################################
2011	# initialisation	2463	# initialisation and cleanup
2012		2464
		2465	# install some emergency cleanup handlers
		2466	BEGIN {
		2467	for my $signal (qw(INT HUP TERM)) {
		2468	Event->signal (
		2469	reentrant => 0,
		2470	data => WF_AUTOCANCEL,
		2471	signal => $signal,
		2472	prio => 0,
		2473	cb => sub {
		2474	cf::cleanup "SIG$signal";
		2475	},
		2476	);
		2477	}
		2478	}
		2479
		2480	sub emergency_save() {
		2481	my $freeze_guard = cf::freeze_mainloop;
		2482
		2483	warn "enter emergency perl save\n";
		2484
		2485	cf::sync_job {
		2486	# use a peculiar iteration method to avoid tripping on perl
		2487	# refcount bugs in for. also avoids problems with players
		2488	# and maps saved/destroyed asynchronously.
		2489	warn "begin emergency player save\n";
		2490	for my $login (keys %cf::PLAYER) {
		2491	my $pl = $cf::PLAYER{$login} or next;
		2492	$pl->valid or next;
		2493	$pl->save;
		2494	}
		2495	warn "end emergency player save\n";
		2496
		2497	warn "begin emergency map save\n";
		2498	for my $path (keys %cf::MAP) {
		2499	my $map = $cf::MAP{$path} or next;
		2500	$map->valid or next;
		2501	$map->save;
		2502	}
		2503	warn "end emergency map save\n";
		2504
		2505	warn "begin emergency database checkpoint\n";
		2506	BDB::db_env_txn_checkpoint $DB_ENV;
		2507	warn "end emergency database checkpoint\n";
		2508	};
		2509
		2510	warn "leave emergency perl save\n";
		2511	}
		2512
		2513	sub post_cleanup {
		2514	my ($make_core) = @_;
		2515
		2516	warn Carp::longmess "post_cleanup backtrace"
		2517	if $make_core;
		2518	}
		2519
2013	sub reload() {	2520	sub do_reload_perl() {
2014	# can/must only be called in main	2521	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2522	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2523	warn "can only reload from main coroutine";
2017	return;	2524	return;
2018	}	2525	}
2019		2526
2020	warn "reloading...";	2527	warn "reloading...";
2021		2528
2022	local $FREEZE = 1;	2529	warn "entering sync_job";
		2530
		2531	cf::sync_job {
		2532	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2533	cf::emergency_save;
		2534	cf::write_runtime; # external watchdog should not bark
2024		2535
2025	eval {	2536	warn "syncing database to disk";
		2537	BDB::db_env_txn_checkpoint $DB_ENV;
		2538
2026	# if anything goes wrong in here, we should simply crash as we already saved	2539	# if anything goes wrong in here, we should simply crash as we already saved
2027		2540
2028	# cancel all watchers	2541	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2542	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2544	}
2032		2545
		2546	warn "flushing outstanding aio requests";
		2547	for (;;) {
		2548	BDB::flush;
		2549	IO::AIO::flush;
		2550	Coro::cede;
		2551	last unless IO::AIO::nreqs || BDB::nreqs;
		2552	warn "iterate...";
		2553	}
		2554
		2555	++$RELOAD;
		2556
2033	# cancel all extension coros	2557	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2558	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2559	%EXT_CORO = ();
2036		2560
2037	# unload all extensions	2561	warn "removing commands";
2038	for (@exts) {	2562	%COMMAND = ();
		2563
		2564	warn "removing ext commands";
		2565	%EXTCMD = ();
		2566
		2567	warn "unloading/nuking all extensions";
		2568	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2569	warn "... unloading $pkg";
2040	unload_extension $_;	2570
		2571	if (my $cb = $pkg->can ("unload")) {
		2572	eval {
		2573	$cb->($pkg);
		2574	1
		2575	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2576	}
2042		2577
		2578	warn "... nuking $pkg";
		2579	Symbol::delete_package $pkg;
		2580	}
		2581
2043	# unload all modules loaded from $LIBDIR	2582	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2583	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2585
2047	warn "removing <$k>";	2586	warn "... unloading $k";
2048	delete $INC{$k};	2587	delete $INC{$k};
2049		2588
2050	$k =~ s/\.pm$//;	2589	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2590	$k =~ s/\//::/g;
2052		2591
…		…
2055	}	2594	}
2056		2595
2057	Symbol::delete_package $k;	2596	Symbol::delete_package $k;
2058	}	2597	}
2059		2598
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2599	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2600	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2602
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2603	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2604	delete $INC{"cf.pm"};
2073		2605
2074	# don't, removes xs symbols, too,	2606	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2607	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2608	#Symbol::delete_package __PACKAGE__;
2077		2609
2078	# reload cf.pm	2610	warn "unload completed, starting to reload now";
		2611
2079	warn "reloading cf.pm";	2612	warn "reloading cf.pm";
2080	require cf;	2613	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2615
2083	# load config and database again	2616	warn "loading config and database again";
2084	cf::cfg_load;	2617	cf::cfg_load;
2085	cf::db_load;
2086		2618
2087	# load extensions
2088	warn "load extensions";	2619	warn "loading extensions";
2089	cf::load_extensions;	2620	cf::load_extensions;
2090		2621
2091	# reattach attachments to objects	2622	warn "reattaching attachments to objects/players";
2092	warn "reattach";	2623	_global_reattach; # objects, sockets
2093	_global_reattach;	2624	warn "reattaching attachments to maps";
2094	};	2625	reattach $_ for values %MAP;
		2626	warn "reattaching attachments to players";
		2627	reattach $_ for values %PLAYER;
2095		2628
2096	if ($@) {	2629	warn "leaving sync_job";
		2630
		2631	1
		2632	} or do {
2097	warn $@;	2633	warn $@;
2098	warn "error while reloading, exiting.";	2634	warn "error while reloading, exiting.";
2099	exit 1;	2635	exit 1;
2100	}	2636	};
2101		2637
2102	warn "reloaded successfully";	2638	warn "reloaded";
2103	};	2639	};
2104		2640
2105	#############################################################################	2641	our $RELOAD_WATCHER; # used only during reload
2106		2642
2107	unless ($LINK_MAP) {	2643	sub reload_perl() {
2108	$LINK_MAP = cf::map::new;	2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
2109		2646
2110	$LINK_MAP->width (41);	2647	$RELOAD_WATCHER ||= Event->timer (
2111	$LINK_MAP->height (41);	2648	reentrant => 0,
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,	2649	after => 0,
		2650	data => WF_AUTOCANCEL,
2120	cb => sub {	2651	cb => sub {
2121	$_[0]->w->cancel;	2652	do_reload_perl;
2122		2653	undef $RELOAD_WATCHER;
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});	2654	},
2141		2655	);
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}	2656	}
2147
2148	register "<global>", __PACKAGE__;
2149		2657
2150	register_command "reload" => sub {	2658	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2659	my ($who, $arg) = @_;
2152		2660
2153	if ($who->flag (FLAG_WIZ)) {	2661	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");
2155	reload;
2156	$who->message ("end of reload.");	2662	$who->message ("reloading server.");
		2663	async { reload_perl };
2157	}	2664	}
2158	};	2665	};
2159		2666
2160	unshift @INC, $LIBDIR;	2667	unshift @INC, $LIBDIR;
		2668
		2669	my $bug_warning = 0;
		2670
		2671	our @WAIT_FOR_TICK;
		2672	our @WAIT_FOR_TICK_BEGIN;
		2673
		2674	sub wait_for_tick {
		2675	return unless $TICK_WATCHER->is_active;
		2676	return if $Coro::current == $Coro::main;
		2677
		2678	my $signal = new Coro::Signal;
		2679	push @WAIT_FOR_TICK, $signal;
		2680	$signal->wait;
		2681	}
		2682
		2683	sub wait_for_tick_begin {
		2684	return unless $TICK_WATCHER->is_active;
		2685	return if $Coro::current == $Coro::main;
		2686
		2687	my $signal = new Coro::Signal;
		2688	push @WAIT_FOR_TICK_BEGIN, $signal;
		2689	$signal->wait;
		2690	}
2161		2691
2162	$TICK_WATCHER = Event->timer (	2692	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2693	reentrant => 0,
		2694	parked => 1,
2164	prio => 0,	2695	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2696	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2697	data => WF_AUTOCANCEL,
2167	cb => sub {	2698	cb => sub {
2168	unless ($FREEZE) {	2699	if ($Coro::current != $Coro::main) {
		2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2701	unless ++$bug_warning > 10;
		2702	return;
		2703	}
		2704
		2705	$NOW = Event::time;
		2706
2169	cf::server_tick; # one server iteration	2707	cf::server_tick; # one server iteration
		2708
2170	$RUNTIME += $TICK;	2709	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2710	$NEXT_TICK += $TICK;
		2711
		2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2713	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2714	Coro::async_pool {
		2715	write_runtime
		2716	or warn "ERROR: unable to write runtime file: $!";
		2717	};
		2718	}
		2719
		2720	# my $AFTER = Event::time;
		2721	# warn $AFTER - $NOW;#d#
2174		2722
2175	# if we are delayed by four ticks or more, skip them all	2723	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2725
2178	$TICK_WATCHER->at ($NEXT_TICK);	2726	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2727	$TICK_WATCHER->start;
		2728
		2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2730	$sig->send;
		2731	}
		2732	while (my $sig = shift @WAIT_FOR_TICK) {
		2733	$sig->send;
		2734	}
		2735
		2736	_post_tick;
2180	},	2737	},
2181	);	2738	);
2182		2739
		2740	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	2741	BDB::max_poll_time $TICK * 0.1;
2184		2742	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	2743	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2744	fd => BDB::poll_fileno,
2187	poll => 'r',	2745	poll => 'r',
2188	prio => 5,	2746	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	2747	data => WF_AUTOCANCEL,
2195	after => 0,	2748	cb => \&BDB::poll_cb,
2196	interval => 10,	2749	);
2197	cb => sub {	2750	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	2751
2199	write_runtime	2752	BDB::set_sync_prepare {
2200	or warn "ERROR: unable to write runtime file: $!";	2753	my $status;
		2754	my $current = $Coro::current;
		2755	(
		2756	sub {
		2757	$status = $!;
		2758	$current->ready; undef $current;
		2759	},
		2760	sub {
		2761	Coro::schedule while defined $current;
		2762	$! = $status;
		2763	},
		2764	)
		2765	};
		2766
		2767	unless ($DB_ENV) {
		2768	$DB_ENV = BDB::db_env_create;
		2769
		2770	cf::sync_job {
		2771	eval {
		2772	BDB::db_env_open
		2773	$DB_ENV,
		2774	$BDB_ENV_DIR,
		2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2777	0666;
		2778
		2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2780
		2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2782	$DB_ENV->set_lk_detect;
		2783	};
		2784
		2785	cf::cleanup "db_env_open(db): $@" if $@;
2201	})->();	2786	};
2202	},	2787	}
2203	);	2788	}
		2789
		2790	{
		2791	IO::AIO::min_parallel 8;
		2792
		2793	undef $Coro::AIO::WATCHER;
		2794	IO::AIO::max_poll_time $TICK * 0.1;
		2795	$AIO_POLL_WATCHER = Event->io (
		2796	reentrant => 0,
		2797	data => WF_AUTOCANCEL,
		2798	fd => IO::AIO::poll_fileno,
		2799	poll => 'r',
		2800	prio => 6,
		2801	cb => \&IO::AIO::poll_cb,
		2802	);
		2803	}
2204		2804
2205	END { cf::emergency_save }	2805	END { cf::emergency_save }
2206		2806
2207	1	2807	1
2208		2808

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