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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 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	}
		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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
317		344
318	$coro	345	$coro
319	}	346	}
320		347
321	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
322	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
323		352
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	354	or return;
326		355
		356	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	361	and return;
330		362
		363	# always fsync - this file is important
331	aio_fsync $fh	364	aio_fsync $fh
332	and return;	365	and return;
333		366
334	close $fh	367	close $fh
335	or return;	368	or return;
…		…
338	and return;	371	and return;
339		372
340	1	373	1
341	}	374	}
342		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
343	=back	387	=back
344		388
345	=cut	389	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		390
467	#############################################################################	391	#############################################################################
468		392
469	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
470		394
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	521	our @CB_MAP = ();
598		522
599	my %attachment;	523	my %attachment;
600		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
601	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
603		533
604	use sort 'stable';	534	use sort 'stable';
605		535
…		…
776	# object support	706	# object support
777		707
778	sub reattach {	708	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		713
782	my $registry = $obj->registry;	714	my $registry = $obj->registry;
783		715
784	@$registry = ();	716	@$registry = ();
785		717
…		…
832	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
833		765
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	770	close $fh;
839		771
840	if (@$objs) {	772	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	778	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
848	}	780	}
849	} else {	781	} else {
850	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
917	=cut	849	=cut
918		850
919	sub register_extcmd {	851	sub register_extcmd {
920	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
921		853
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
926	}	855	}
927		856
928	cf::player->attach (	857	cf::player->attach (
929	on_command => sub {	858	on_command => sub {
930	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
943		872
944	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
945		874
946	if (ref $msg) {	875	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	879	}
951	}	880	}
952	} else {	881	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		884
956	cf::override;	885	cf::override;
957	},	886	},
958	);	887	);
959		888
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	889	sub load_extension {
967	my ($path) = @_;	890	my ($path) = @_;
968		891
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	893	my $base = $1;
971	my $pkg = $1;	894	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
974		897
975	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
976		899
977	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
978	or die "$path: $!";	901	or die "$path: $!";
979		902
980	my $source =	903	my $source =
981	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
984	. "\n};\n1";	907	. "\n};\n1";
985		908
986	eval $source	909	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	911	: "extension disabled.\n";
989		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	913	warn $@;
991	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
992		915	exit 1;
993	# no strict 'refs';	916	}
994	# @{"$pkg\::ISA"} = ext::;	917	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	918	}
1009		919
1010	# remove commands	920	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	921	}
1035		922
1036	sub load_extensions {	923	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	925	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1043	}	930	}
1044	}	931	}
1045		932
1046	#############################################################################	933	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		934
1084	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1085		936
1086	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1087		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1088	=head3 cf::player	945	=head3 cf::player
1089		946
1090	=over 4	947	=over 4
1091		948
1092	=item cf::player::exists $login	949	=item cf::player::find $login
1093		950
1094	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1095		952
1096	=cut	953	=cut
1097		954
1098	sub cf::player::exists($) {	955	sub playerdir($) {
1099	cf::player::find $_[0]	956	cf::localdir
1100	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])
1101	}	961	}
1102		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
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1104		1135
1105	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1106		1137
1107	=cut	1138	=cut
1108		1139
1109	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1110	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1111		1142
1112	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1113		1144
1114	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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
1115	}	1187	}
1116		1188
1117	=back	1189	=back
1118
1119		1190
1120	=head3 cf::map	1191	=head3 cf::map
1121		1192
1122	=over 4	1193	=over 4
1123		1194
…		…
1126	package cf::map;	1197	package cf::map;
1127		1198
1128	use Fcntl;	1199	use Fcntl;
1129	use Coro::AIO;	1200	use Coro::AIO;
1130		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1131	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1133		1208
1134	sub generate_random_map {	1209	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1212	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1354	}
1152		1355
1153	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1154	# all maps in C++...	1357	# all maps in C++...
1155	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1157		1360
1158	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1160	}	1363	}
1161		1364
		1365	sub unlink_save {
		1366	my ($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
1162	sub try_load_header($) {	1373	sub load_header_from($) {
1163	my ($path) = @_;	1374	my ($self, $path) = @_;
1164		1375
1165	utf8::encode $path;	1376	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1167	or return;	1381	or return;
1168		1382
1169	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
1170	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1171		1429
1172	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1173	or return;	1431	unless $self->default_region;
1174		1432
1175	$map->{load_path} = $path;	1433	1
1176
1177	$map
1178	}	1434	}
1179		1435
		1436	sub find;
1180	sub find_map {	1437	sub find {
1181	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1182		1439
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1441
1188	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1189		1443
1190	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1192		1446	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1447	or return;
1208		1448
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1450
1222	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;
1223	$map->reset;	1457	$map->reset;
1224	undef $guard;	1458	undef $guard;
1225	$map = cf::map::find_map ($path)	1459	return find $path;
1226	or return;
1227	}	1460	}
1228		1461
1229	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1230	}	1463	}
1231	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1232		1468
1233	sub load {	1469	sub load {
1234	my ($self) = @_;	1470	my ($self) = @_;
1235		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1236	my $path = $self->{path};	1474	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1238		1476
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1478
1241	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1242		1480
1243	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1244	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1487	or return;
1246		1488
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1490	if delete $self->{load_original};
1249		1491
1250	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1493	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1495	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1255	}	1497	}
1256	}	1498	}
1257		1499
		1500	Coro::cede;
1258	# now do the right thing for maps	1501	# now do the right thing for maps
1259	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1260		1504
1261	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1506	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1268	$self->set_darkness_map;	1510	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1271	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1272	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1273		1520
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1522	}
1276		1523
1277	sub load_map_sync {	1524	sub customise_for {
		1525	my ($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	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1278	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1279		1559
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1281		1562
1282	cf::sync_job {	1563	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1284	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;
1285	$map->load;	1587	$map->load;
1286	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1287	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1288	}	1597	}
1289		1598
1290	sub save {	1599	sub save {
1291	my ($self) = @_;	1600	my ($self) = @_;
1292		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1293	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1294		1605
1295	return unless $self->dirty;	1606	return unless $self->dirty;
1296		1607
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1610
1300	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1301		1612
1302	return if $self->{deny_save};	1613	return if $self->{deny_save};
1303		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1304	if ($uniq) {	1621	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1624	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1626	}
1310	}	1627	}
1311		1628
1312	sub swap_out {	1629	sub swap_out {
1313	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;
1314		1636
1315	return if $self->players;	1637	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1639	return if $self->{deny_save};
1318		1640
1319	$self->save;
1320	$self->clear;	1641	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1643	}
1323		1644
1324	sub reset_at {	1645	sub reset_at {
1325	my ($self) = @_;	1646	my ($self) = @_;
1326		1647
1327	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1330		1651
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1654
…		…
1338	my ($self) = @_;	1659	my ($self) = @_;
1339		1660
1340	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1341	}	1662	}
1342		1663
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1664	sub reset {
1365	my ($self) = @_;	1665	my ($self) = @_;
1366		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1367	return if $self->players;	1669	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1369		1671
1370	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1371		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
1372	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1373		1687
1374	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1375		1689
1376	$self->unlink_save;	1690	$self->unlink_save;
1377	$self->destroy;	1691	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1381		1695
1382	sub nuke {	1696	sub nuke {
1383	my ($self) = @_;	1697	my ($self) = @_;
1384		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1388	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1389	}	1712	}
1390		1713
1391	sub customise_for {	1714	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1715
1394	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1396	}
1397		1718
1398	$map	1719	=cut
1399	}
1400		1720
1401	sub emergency_save {	1721	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1403		1724
1404	warn "enter emergency map save\n";	1725	my @paths;
1405		1726
1406	cf::sync_job {	1727	for (@$files) {
1407	warn "begin emergency map save\n";	1728	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1409	};	1733	}
1410		1734
1411	warn "end emergency map save\n";	1735	\@paths
1412	}	1736	}
1413		1737
1414	package cf;	1738	package cf;
1415		1739
1416	=back	1740	=back
1417		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
1418		1768
1419	=head3 cf::object::player	1769	=head3 cf::object::player
1420		1770
1421	=over 4	1771	=over 4
1422		1772
…		…
1462		1812
1463	=item $player_object->enter_link	1813	=item $player_object->enter_link
1464		1814
1465	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}>).
1466		1816
1467	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
1468	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1469		1819
		1820	Will never block.
		1821
1470	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1471		1823
1472	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1827	fails, to the emergency map position.
1476		1828
1477	Might block.	1829	Might block.
1478		1830
1479	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
1480		1842
1481	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1844	my ($self) = @_;
1483		1845
1484	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1485		1847
1486	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1849
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1851	if $self->map;
1490		1852
1491	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	1854	}
1493		1855
1494	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1496		1858
1497	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1498		1860
1499	unless ($map) {	1861	unless ($map) {
1500	# restore original map position	1862	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1503		1865
1504	unless ($map) {	1866	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1508	}	1870	}
1509	}	1871	}
1510		1872
1511	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1517		1879
1518	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1519		1882
		1883	return unless $self->contr->active;
1520	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1521	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1522	}	1888	}
1523		1889
1524	cf::player->attach (	1890	cf::player->attach (
1525	on_logout => sub {	1891	on_logout => sub {
…		…
1537		1903
1538	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1905	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1542	Coro::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);
1543	# 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
1544	# 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
1545	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1547	};	1917	})->prio (2);
1548	}	1918	}
1549	},	1919	},
1550	);	1920	);
1551		1921
1552	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1553		1923
1554	=cut	1924	=cut
1555		1925
1556	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1558		1928
1559	$self->enter_link;	1929	$self->enter_link;
1560		1930
1561	(Coro::async {	1931	(async {
1562	$path = new cf::path $path;	1932	my $map = eval {
1563
1564	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1566		1935	$map
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1568	# if $map;
1569
1570	$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);
1571		1938
1572	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1940	})->prio (1);
1574	}	1941	}
1575		1942
…		…
1579		1946
1580	sub parse_random_map_params {	1947	sub parse_random_map_params {
1581	my ($spec) = @_;	1948	my ($spec) = @_;
1582		1949
1583	my $rmp = { # defaults	1950	my $rmp = { # defaults
1584	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1586	};	1955	};
1587		1956
1588	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1590		1959
…		…
1594	$rmp	1963	$rmp
1595	}	1964	}
1596		1965
1597	sub prepare_random_map {	1966	sub prepare_random_map {
1598	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1970
1600	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1973	# that depends on the exit object
1603		1974
1604	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1605		1976
1606	if ($exit->map) {	1977	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1611	}	1982	}
1612		1983
1613	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1614		1985
1615	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1989
1618	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) {
1619	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;
1620		1994
1621	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	1996	$exit->msg (undef);
1623	}	1997	}
1624	}	1998	}
…		…
1626	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1628		2002
1629	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1630		2004
		2005	if ($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
1631	$self->enter_link;	2016	$self->enter_link;
1632		2017
1633	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	2020	unless (eval {
1635		2021	$self->goto ($slaying, $hp, $sp);
1636	prepare_random_map $exit
1637	if $exit->slaying eq "/!";
1638
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1641		2022
1642	1;	2023	1;
1643	}) {	2024	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1648		2029
1649	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	2031	$self->leave_link;
1651	}	2032	}
1652	})->prio (1);	2033	})->prio (1);
…		…
1665		2046
1666	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1667	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1668		2049
1669	utf8::encode $text;	2050	utf8::encode $text;
1670	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1671	}	2052	}
1672		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	}
1673		2066
1674	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1675		2068
1676	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1677	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1702	on_reply => sub {	2095	on_reply => sub {
1703	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1704		2097
1705	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1706	# get handled first	2099	# get handled first
1707	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
1708		2102
1709	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1710		2105
1711	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1712		2107
1713	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1714	if (@$queue) {	2109	if (@$queue) {
…		…
1718	}	2113	}
1719	}	2114	}
1720	},	2115	},
1721	);	2116	);
1722		2117
1723	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1724		2119
1725	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1726	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,
1727	or loss of connection).	2122	or loss of connection).
1728		2123
1729	=cut	2124	=cut
1730		2125
1731	sub cf::client::coro {	2126	sub cf::client::async {
1732	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1733		2128
1734	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		2130
1741	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1743	});	2133	});
1744		2134
…		…
1777		2167
1778	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1779		2169
1780	=pod	2170	=pod
1781		2171
1782	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1783		2173
1784	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1785	cf::object::player player	2175	cf::object::player player
1786	cf::player peaceful	2176	cf::player peaceful
1787	cf::map trigger	2177	cf::map trigger
…		…
1880	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
1881	using it, it should be unique.	2271	using it, it should be unique.
1882		2272
1883	=over 4	2273	=over 4
1884		2274
1885	=item $hashref = cf::db_get $family
1886
1887	Return a hashref for use by the extension C<$family>, which can be
1888	modified. After modifications, you have to call C<cf::db_dirty> or
1889	C<cf::db_sync>.
1890
1891	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1892		2276
1893	Returns a single value from the database	2277	Returns a single value from the database.
1894
1895	=item cf::db_put $family => $hashref
1896
1897	Stores the given family hashref into the database. Updates are delayed, if
1898	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1899		2278
1900	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1901		2280
1902	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1903	want the data to be synced to disk immediately, use C<cf::db_sync>.
1904
1905	=item cf::db_dirty
1906
1907	Marks the database as dirty, to be updated at a later time.
1908
1909	=item cf::db_sync
1910
1911	Immediately write the database to disk I<if it is dirty>.
1912		2282
1913	=cut	2283	=cut
1914		2284
1915	our $DB;	2285	our $DB;
1916		2286
1917	{	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
1918	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;
1919		2306
1920	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1921	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1922	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1923		2311
1924	my $pid;	2312	unlink $path;
1925
1926	sub db_save() {
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}	2313	};
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});
1946
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}
1951
1952	sub db_get($;$) {
1953	@_ >= 2
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957
1958	sub db_put($$;$) {
1959	if (@_ >= 3) {
1960	$DB->{$_[0]}{$_[1]} = $_[2];
1961	} else {
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2314	}
1972	);	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 { };
1973	}	2332	}
1974		2333
1975	#############################################################################	2334	#############################################################################
1976	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		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 load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
1977		2416
1978	sub cfg_load {	2417	sub cfg_load {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2419	or return;
1981		2420
1982	local $/;	2421	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2422	*CFG = YAML::Syck::Load <$fh>;
		2423
		2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2425
		2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2428
		2429	if (exists $CFG{mlockall}) {
		2430	eval {
		2431	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2432	and die "WARNING: m(un)lockall failed: $!\n";
		2433	};
		2434	warn $@ if $@;
		2435	}
1984	}	2436	}
1985		2437
1986	sub main {	2438	sub main {
1987	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	2442	(async {
1991	Event::one_event;	2443	Event::one_event;
1992	})->();	2444	})->prio (Coro::PRIO_MAX);
1993	};	2445	};
1994		2446
1995	cfg_load;	2447	cfg_load;
1996	db_load;	2448	db_init;
1997	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
1998	Event::loop;	2452	Event::loop;
1999	}	2453	}
2000		2454
2001	#############################################################################	2455	#############################################################################
2002	# initialisation	2456	# initialisation and cleanup
		2457
		2458	# install some emergency cleanup handlers
		2459	BEGIN {
		2460	for my $signal (qw(INT HUP TERM)) {
		2461	Event->signal (
		2462	reentrant => 0,
		2463	data => WF_AUTOCANCEL,
		2464	signal => $signal,
		2465	prio => 0,
		2466	cb => sub {
		2467	cf::cleanup "SIG$signal";
		2468	},
		2469	);
		2470	}
		2471	}
		2472
		2473	sub emergency_save() {
		2474	my $freeze_guard = cf::freeze_mainloop;
		2475
		2476	warn "enter emergency perl save\n";
		2477
		2478	cf::sync_job {
		2479	# use a peculiar iteration method to avoid tripping on perl
		2480	# refcount bugs in for. also avoids problems with players
		2481	# and maps saved/destroyed asynchronously.
		2482	warn "begin emergency player save\n";
		2483	for my $login (keys %cf::PLAYER) {
		2484	my $pl = $cf::PLAYER{$login} or next;
		2485	$pl->valid or next;
		2486	$pl->save;
		2487	}
		2488	warn "end emergency player save\n";
		2489
		2490	warn "begin emergency map save\n";
		2491	for my $path (keys %cf::MAP) {
		2492	my $map = $cf::MAP{$path} or next;
		2493	$map->valid or next;
		2494	$map->save;
		2495	}
		2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
		2501	};
		2502
		2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
		2511	}
2003		2512
2004	sub reload() {	2513	sub reload() {
2005	# can/must only be called in main	2514	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2008	return;	2517	return;
2009	}	2518	}
2010		2519
2011	warn "reloading...";	2520	warn "reloading...";
2012		2521
2013	local $FREEZE = 1;	2522	warn "entering sync_job";
		2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2015		2528
2016	eval {	2529	warn "syncing database to disk";
		2530	BDB::db_env_txn_checkpoint $DB_ENV;
		2531
2017	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2018		2533
2019	# cancel all watchers	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2537	}
2023		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2024	# cancel all extension coros	2550	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2552	%EXT_CORO = ();
2027		2553
2028	# unload all extensions	2554	warn "removing commands";
2029	for (@exts) {	2555	%COMMAND = ();
		2556
		2557	warn "removing ext commands";
		2558	%EXTCMD = ();
		2559
		2560	warn "unloading/nuking all extensions";
		2561	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2562	warn "... unloading $pkg";
2031	unload_extension $_;	2563
		2564	if (my $cb = $pkg->can ("unload")) {
		2565	eval {
		2566	$cb->($pkg);
		2567	1
		2568	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2569	}
2033		2570
		2571	warn "... nuking $pkg";
		2572	Symbol::delete_package $pkg;
		2573	}
		2574
2034	# unload all modules loaded from $LIBDIR	2575	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2578
2038	warn "removing <$k>";	2579	warn "... unloading $k";
2039	delete $INC{$k};	2580	delete $INC{$k};
2040		2581
2041	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2043		2584
…		…
2046	}	2587	}
2047		2588
2048	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2049	}	2590	}
2050		2591
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2592	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2595
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2596	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2064		2598
2065	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2600	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2068		2602
2069	# reload cf.pm	2603	warn "unload completed, starting to reload now";
		2604
2070	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2071	require cf;	2606	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2608
2074	# load config and database again	2609	warn "loading config and database again";
2075	cf::cfg_load;	2610	cf::cfg_load;
2076	cf::db_load;
2077		2611
2078	# load extensions
2079	warn "load extensions";	2612	warn "loading extensions";
2080	cf::load_extensions;	2613	cf::load_extensions;
2081		2614
2082	# reattach attachments to objects	2615	warn "reattaching attachments to objects/players";
2083	warn "reattach";	2616	_global_reattach; # objects, sockets
2084	_global_reattach;	2617	warn "reattaching attachments to maps";
2085	};	2618	reattach $_ for values %MAP;
		2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2086		2621
2087	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2088	warn $@;	2629	warn $@;
2089	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2090	exit 1;	2631	exit 1;
2091	}	2632	};
2092		2633
2093	warn "reloaded successfully";	2634	warn "reloaded";
2094	};	2635	};
2095		2636
2096	#############################################################################	2637	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2638
2141	register_command "reload" => sub {	2639	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2143		2641
2144	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2146	reload;	2653	reload;
2147	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2148	}	2657	}
2149	};	2658	};
2150		2659
2151	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2152		2684
2153	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2155	prio => 0,	2688	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2158	cb => sub {	2691	cb => sub {
2159	unless ($FREEZE) {	2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
		2698	$NOW = Event::time;
		2699
2160	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2161	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
		2704
		2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
2165		2715
2166	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2718
2169	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2171	},	2730	},
2172	);	2731	);
2173		2732
		2733	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2175		2735	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	2736	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2178	poll => 'r',	2738	poll => 'r',
2179	prio => 5,	2739	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2186	after => 0,	2741	cb => \&BDB::poll_cb,
2187	interval => 10,	2742	);
2188	cb => sub {	2743	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	2744
2190	write_runtime	2745	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	2779	};
2193	},	2780	}
2194	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
		2797
		2798	END { cf::emergency_save }
2195		2799
2196	1	2800	1
2197		2801

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