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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available	103	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		104
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	105	sub cf::map::normalise;
78		106
79	#############################################################################	107	#############################################################################
80		108
81	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
82		110
…		…
106		134
107	=item %cf::CFG	135	=item %cf::CFG
108		136
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
116	BEGIN {	150	BEGIN {
117	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	152	my $msg = join "", @_;
119	utf8::encode $msg;
120		153
121	$msg .= "\n"	154	$msg .= "\n"
122	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
123		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	225	=item cf::lock_wait $string
209		226
210	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
211		228
212	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
213		230
214	Wait until the given lock is available and then acquires it and returns	231	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	233	for example when the coroutine gets canceled), the lock is automatically
217	returned.	234	returned.
218		235
219	Lock names should begin with a unique identifier (for example, find_map	236	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	237	uses map_find and cf::map::load uses map_load).
221		238
222	=cut	239	=cut
223		240
224	our %LOCK;	241	our %LOCK;
225		242
…		…
239	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
240	lock_wait $key;	257	lock_wait $key;
241		258
242	$LOCK{$key} = [];	259	$LOCK{$key} = [];
243		260
244	cf::guard {	261	Coro::guard {
245	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
247	}	264	}
248	}	265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
249		286
250	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
251		288
252	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
269		306
270	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	308	# (but this is cancel-safe)
272	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
273		310
274	my $busy = 1;	311	my $busy = 1;
275	my @res;	312	my @res;
276		313
277	(Coro::async {	314	(async {
278	@res = eval { $job->() };	315	@res = eval { $job->() };
279	warn $@ if $@;	316	warn $@ if $@;
280	undef $busy;	317	undef $busy;
281	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
282		319
283	while ($busy) {	320	while ($busy) {
284	Coro::cede_notself;	321	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	322	}
287		323
288	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
289	} else {	325	} else {
290	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
291		327
292	$job->()	328	$job->()
293	}	329	}
294	}	330	}
295		331
296	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
297		333
298	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
300		336
301	=cut	337	=cut
302		338
303	sub coro(&) {	339	sub async_ext(&) {
304	my $cb = shift;	340	my $cb = shift;
305		341
306	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		343
313	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
315	});	346	});
316	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
317		348
318	$coro	349	$coro
319	}	350	}
320		351
321	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
322	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
323		356
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	358	or return;
326		359
		360	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	365	and return;
330		366
		367	# always fsync - this file is important
331	aio_fsync $fh	368	aio_fsync $fh
332	and return;	369	and return;
333		370
334	close $fh	371	close $fh
335	or return;	372	or return;
…		…
338	and return;	375	and return;
339		376
340	1	377	1
341	}	378	}
342		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
343	=back	391	=back
344		392
345	=cut	393	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		394
467	#############################################################################	395	#############################################################################
468		396
469	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
470		398
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	525	our @CB_MAP = ();
598		526
599	my %attachment;	527	my %attachment;
600		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
601	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
603		537
604	use sort 'stable';	538	use sort 'stable';
605		539
…		…
776	# object support	710	# object support
777		711
778	sub reattach {	712	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		717
782	my $registry = $obj->registry;	718	my $registry = $obj->registry;
783		719
784	@$registry = ();	720	@$registry = ();
785		721
…		…
832	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
833		769
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	774	close $fh;
839		775
840	if (@$objs) {	776	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	782	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
848	}	784	}
849	} else {	785	} else {
850	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
917	=cut	853	=cut
918		854
919	sub register_extcmd {	855	sub register_extcmd {
920	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
921		857
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
926	}	859	}
927		860
928	cf::player->attach (	861	cf::player->attach (
929	on_command => sub {	862	on_command => sub {
930	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
943		876
944	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
945		878
946	if (ref $msg) {	879	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	883	}
951	}	884	}
952	} else {	885	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		888
956	cf::override;	889	cf::override;
957	},	890	},
958	);	891	);
959		892
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	893	sub load_extension {
967	my ($path) = @_;	894	my ($path) = @_;
968		895
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	897	my $base = $1;
971	my $pkg = $1;	898	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
974		901
975	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
976		903
977	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
978	or die "$path: $!";	905	or die "$path: $!";
979		906
980	my $source =	907	my $source =
981	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
984	. "\n};\n1";	911	. "\n};\n1";
985		912
986	eval $source	913	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	915	: "extension disabled.\n";
989		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	917	warn $@;
991	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
992		919	exit 1;
993	# no strict 'refs';	920	}
994	# @{"$pkg\::ISA"} = ext::;	921	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	922	}
1009		923
1010	# remove commands	924	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	925	}
1035		926
1036	sub load_extensions {	927	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	929	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1043	}	934	}
1044	}	935	}
1045		936
1046	#############################################################################	937	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		938
1084	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1085		940
1086	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1087		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1088	=head3 cf::player	949	=head3 cf::player
1089		950
1090	=over 4	951	=over 4
1091		952
1092	=item cf::player::exists $login	953	=item cf::player::find $login
1093		954
1094	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1095		956
1096	=cut	957	=cut
1097		958
1098	sub cf::player::exists($) {	959	sub playerdir($) {
1099	cf::player::find $_[0]	960	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1101	}	965	}
1102		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1104		1139
1105	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1106		1141
1107	=cut	1142	=cut
1108		1143
1109	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1110	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1111		1146
1112	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1113		1148
1114	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1115	}	1191	}
1116		1192
1117	=back	1193	=back
1118
1119		1194
1120	=head3 cf::map	1195	=head3 cf::map
1121		1196
1122	=over 4	1197	=over 4
1123		1198
…		…
1126	package cf::map;	1201	package cf::map;
1127		1202
1128	use Fcntl;	1203	use Fcntl;
1129	use Coro::AIO;	1204	use Coro::AIO;
1130		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1131	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1133		1212
1134	sub generate_random_map {	1213	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1216	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1358	}
1152		1359
1153	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1154	# all maps in C++...	1361	# all maps in C++...
1155	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1157		1364
1158	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1160	}	1367	}
1161		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1162	sub try_load_header($) {	1377	sub load_header_from($) {
1163	my ($path) = @_;	1378	my ($self, $path) = @_;
1164		1379
1165	utf8::encode $path;	1380	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1167	or return;	1385	or return;
1168		1386
1169	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1170	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1171		1433
1172	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1173	or return;	1435	unless $self->default_region;
1174		1436
1175	$map->{load_path} = $path;	1437	1
1176
1177	$map
1178	}	1438	}
1179		1439
		1440	sub find;
1180	sub find_map {	1441	sub find {
1181	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1182		1443
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1445
1188	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1189		1447
1190	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1192		1450	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1451	or return;
1208		1452
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1454
1222	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1461	$map->reset;
1224	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1225	}	1464	}
1226		1465
1227	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1228	}	1467	}
1229	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1230		1472
1231	sub load {	1473	sub load {
1232	my ($self) = @_;	1474	my ($self) = @_;
1233		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1234	my $path = $self->{path};	1478	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1236		1480
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1482
1239	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1240		1484
1241	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1242	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1491	or return;
1244		1492
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1494	if delete $self->{load_original};
1247		1495
1248	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1497	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1499	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1253	}	1501	}
1254	}	1502	}
1255		1503
		1504	Coro::cede;
1256	# now do the right thing for maps	1505	# now do the right thing for maps
1257	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1258		1508
1259	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1510	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1266	$self->set_darkness_map;	1514	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1269	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1270	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1271		1524
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1526	}
1274		1527
1275	sub load_map_sync {	1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1276	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1277		1563
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1279		1566
1280	cf::sync_job {	1567	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1282	or return;	1569
		1570	cf::sync_job { $map->load };
		1571	}
		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
1283	$map->load;	1591	$map->load;
1284	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1285	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1286	}	1601	}
1287		1602
1288	sub save {	1603	sub save {
1289	my ($self) = @_;	1604	my ($self) = @_;
1290		1605
		1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1607
1291	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1292		1609
1293	return unless $self->dirty;	1610	return unless $self->dirty;
1294		1611
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1614
1298	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1299		1616
1300	return if $self->{deny_save};	1617	return if $self->{deny_save};
1301		1618
		1619	local $self->{last_access} = $self->last_access;#d#
		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1302	if ($uniq) {	1625	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1628	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1630	}
1308	}	1631	}
1309		1632
1310	sub swap_out {	1633	sub swap_out {
1311	my ($self) = @_;	1634	my ($self) = @_;
		1635
		1636	# save first because save cedes
		1637	$self->save;
		1638
		1639	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1640
1313	return if $self->players;	1641	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1643	return if $self->{deny_save};
1316		1644
1317	$self->save;
1318	$self->clear;	1645	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1646	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1647	}
1321		1648
1322	sub reset_at {	1649	sub reset_at {
1323	my ($self) = @_;	1650	my ($self) = @_;
1324		1651
1325	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1328		1655
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1658
…		…
1336	my ($self) = @_;	1663	my ($self) = @_;
1337		1664
1338	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1339	}	1666	}
1340		1667
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1668	sub reset {
1363	my ($self) = @_;	1669	my ($self) = @_;
1364		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1365	return if $self->players;	1673	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1367		1675
1368	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1369		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1370	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1371		1691
1372	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1373		1693
1374	$self->unlink_save;	1694	$self->unlink_save;
1375	$self->destroy;	1695	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1379		1699
1380	sub nuke {	1700	sub nuke {
1381	my ($self) = @_;	1701	my ($self) = @_;
1382		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1386	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1387	}	1716	}
1388		1717
1389	sub customise_for {	1718	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1719
1392	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1394	}
1395		1722
1396	$map	1723	=cut
1397	}
1398		1724
1399	sub emergency_save {	1725	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1401		1728
1402	warn "enter emergency map save\n";	1729	my @paths;
1403		1730
1404	cf::sync_job {	1731	for (@$files) {
1405	warn "begin emergency map save\n";	1732	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1407	};	1737	}
1408		1738
1409	warn "end emergency map save\n";	1739	\@paths
1410	}	1740	}
1411		1741
1412	package cf;	1742	package cf;
1413		1743
1414	=back	1744	=back
1415		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1416		1772
1417	=head3 cf::object::player	1773	=head3 cf::object::player
1418		1774
1419	=over 4	1775	=over 4
1420		1776
…		…
1460		1816
1461	=item $player_object->enter_link	1817	=item $player_object->enter_link
1462		1818
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1820
1465	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1467		1823
		1824	Will never block.
		1825
1468	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1469		1827
1470	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1831	fails, to the emergency map position.
1474		1832
1475	Might block.	1833	Might block.
1476		1834
1477	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1478		1846
1479	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1848	my ($self) = @_;
1481		1849
1482	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1483		1851
1484	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1853
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1855	if $self->map;
1488		1856
1489	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	1858	}
1491		1859
1492	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1494		1862
1495	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1496		1864
1497	unless ($map) {	1865	unless ($map) {
1498	# restore original map position	1866	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1501		1869
1502	unless ($map) {	1870	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1506	}	1874	}
1507	}	1875	}
1508		1876
1509	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1515		1883
1516	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1517		1886
		1887	return unless $self->contr->active;
1518	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1520	}	1892	}
1521		1893
1522	cf::player->attach (	1894	cf::player->attach (
1523	on_logout => sub {	1895	on_logout => sub {
…		…
1535		1907
1536	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1909	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1540	Coro::async {	1912	(async {
		1913	$pl->ob->reply (undef,
		1914	"There was an internal problem at your last logout, "
		1915	. "the server will try to bring you to your intended destination in a second.",
		1916	cf::NDI_RED);
1541	# we need this sleep as the login has a concurrent enter_exit running	1917	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1918	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1545	};	1921	})->prio (2);
1546	}	1922	}
1547	},	1923	},
1548	);	1924	);
1549		1925
1550	=item $player_object->goto_map ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1551		1927
1552	=cut	1928	=cut
1553		1929
1554	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1556		1932
1557	$self->enter_link;	1933	$self->enter_link;
1558		1934
1559	(Coro::async {	1935	(async {
1560	$path = new cf::path $path;	1936	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1564		1939	$map
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1942
1570	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1944	})->prio (1);
1572	}	1945	}
1573		1946
…		…
1577		1950
1578	sub parse_random_map_params {	1951	sub parse_random_map_params {
1579	my ($spec) = @_;	1952	my ($spec) = @_;
1580		1953
1581	my $rmp = { # defaults	1954	my $rmp = { # defaults
1582	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1584	};	1959	};
1585		1960
1586	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1588		1963
…		…
1592	$rmp	1967	$rmp
1593	}	1968	}
1594		1969
1595	sub prepare_random_map {	1970	sub prepare_random_map {
1596	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1974
1598	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1977	# that depends on the exit object
1601		1978
1602	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1603		1980
1604	if ($exit->map) {	1981	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1609	}	1986	}
1610		1987
1611	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1612		1989
1613	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1993
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1618		1998
1619	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2000	$exit->msg (undef);
1621	}	2001	}
1622	}	2002	}
…		…
1624	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1626		2006
1627	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1628		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1629	$self->enter_link;	2020	$self->enter_link;
1630		2021
1631	(Coro::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	2024	unless (eval {
1633		2025	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		2026
1640	1;	2027	1;
1641	}) {	2028	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2033
1647	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2035	$self->leave_link;
1649	}	2036	}
1650	})->prio (1);	2037	})->prio (1);
…		…
1663		2050
1664	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1666		2053
1667	utf8::encode $text;	2054	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2056	}
1670		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1671		2070
1672	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1673		2072
1674	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1700	on_reply => sub {	2099	on_reply => sub {
1701	my ($ns, $msg) = @_;	2100	my ($ns, $msg) = @_;
1702		2101
1703	# this weird shuffling is so that direct followup queries	2102	# this weird shuffling is so that direct followup queries
1704	# get handled first	2103	# get handled first
1705	my $queue = delete $ns->{query_queue};	2104	my $queue = delete $ns->{query_queue}
		2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2106
1707	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2109
1709	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1710		2111
1711	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2113	if (@$queue) {
…		…
1716	}	2117	}
1717	}	2118	}
1718	},	2119	},
1719	);	2120	);
1720		2121
1721	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1722		2123
1723	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2125	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2126	or loss of connection).
1726		2127
1727	=cut	2128	=cut
1728		2129
1729	sub cf::client::coro {	2130	sub cf::client::async {
1730	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1731		2132
1732	my $coro; $coro = async {	2133	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2134
1739	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1741	});	2137	});
1742		2138
…		…
1775		2171
1776	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1777		2173
1778	=pod	2174	=pod
1779		2175
1780	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1781		2177
1782	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2179	cf::object::player player
1784	cf::player peaceful	2180	cf::player peaceful
1785	cf::map trigger	2181	cf::map trigger
…		…
1870	#############################################################################	2266	#############################################################################
1871		2267
1872	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1873		2269
1874	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1875	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1876	excludes objects.	2272	convert to/from binary).
1877		2273
1878	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2275	using it, it should be unique.
1880		2276
1881	=over 4	2277	=over 4
1882		2278
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1890		2280
1891	Returns a single value from the database	2281	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2282
1898	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1899		2284
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2286
1911	=cut	2287	=cut
1912		2288
1913	our $DB;	2289	our $DB;
1914		2290
1915	{	2291	sub db_init {
1916	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1917		2294
1918	sub db_load() {	2295	cf::sync_job {
1919	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1920	}	2297	$DB->set_flags (BDB::CHKSUM);
1921		2298
1922	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1923		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1924	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1925	waitpid $pid, 0 if $pid;	2302	};
1926	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2304	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});	2305	}
		2306	}
1944		2307
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {	2308	sub db_get($$) {
1951	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1956	sub db_put($$;$) {	2319	sub db_put($$$) {
1957	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1958	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1959	} else {	2322	}
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964		2323
1965	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1966	prio => 10000,	2325
1967	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1968	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1969	},	2356	}
1970	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
1971	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1972		2434
1973	#############################################################################	2435	#############################################################################
1974	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
1975		2524
1976	sub cfg_load {	2525	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2527	or return;
1979		2528
1980	local $/;	2529	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2530	*CFG = YAML::Syck::Load <$fh>;
		2531
		2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2533
		2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2536
		2537	if (exists $CFG{mlockall}) {
		2538	eval {
		2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2540	and die "WARNING: m(un)lockall failed: $!\n";
		2541	};
		2542	warn $@ if $@;
		2543	}
1982	}	2544	}
1983		2545
1984	sub main {	2546	sub main {
1985	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2550	(async {
1989	Event::one_event;	2551	Event::one_event;
1990	})->();	2552	})->prio (Coro::PRIO_MAX);
1991	};	2553	};
1992		2554
1993	cfg_load;	2555	cfg_load;
1994	db_load;	2556	db_init;
1995	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
1996	Event::loop;	2560	Event::loop;
1997	}	2561	}
1998		2562
1999	#############################################################################	2563	#############################################################################
2000	# initialisation	2564	# initialisation and cleanup
2001		2565
		2566	# install some emergency cleanup handlers
		2567	BEGIN {
		2568	for my $signal (qw(INT HUP TERM)) {
		2569	Event->signal (
		2570	reentrant => 0,
		2571	data => WF_AUTOCANCEL,
		2572	signal => $signal,
		2573	prio => 0,
		2574	cb => sub {
		2575	cf::cleanup "SIG$signal";
		2576	},
		2577	);
		2578	}
		2579	}
		2580
		2581	sub emergency_save() {
		2582	my $freeze_guard = cf::freeze_mainloop;
		2583
		2584	warn "enter emergency perl save\n";
		2585
		2586	cf::sync_job {
		2587	# use a peculiar iteration method to avoid tripping on perl
		2588	# refcount bugs in for. also avoids problems with players
		2589	# and maps saved/destroyed asynchronously.
		2590	warn "begin emergency player save\n";
		2591	for my $login (keys %cf::PLAYER) {
		2592	my $pl = $cf::PLAYER{$login} or next;
		2593	$pl->valid or next;
		2594	$pl->save;
		2595	}
		2596	warn "end emergency player save\n";
		2597
		2598	warn "begin emergency map save\n";
		2599	for my $path (keys %cf::MAP) {
		2600	my $map = $cf::MAP{$path} or next;
		2601	$map->valid or next;
		2602	$map->save;
		2603	}
		2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
		2609	};
		2610
		2611	warn "leave emergency perl save\n";
		2612	}
		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2002	sub reload() {	2621	sub do_reload_perl() {
2003	# can/must only be called in main	2622	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2006	return;	2625	return;
2007	}	2626	}
2008		2627
2009	warn "reloading...";	2628	warn "reloading...";
2010		2629
2011	local $FREEZE = 1;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2012	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2013		2636
2014	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2015	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
2016		2641
2017	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2018	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2645	}
2021		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2022	# cancel all extension coros	2658	warn "cancelling all extension coros";
2023	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2660	%EXT_CORO = ();
2025		2661
2026	# unload all extensions	2662	warn "removing commands";
2027	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2029	unload_extension $_;	2671
		2672	if (my $cb = $pkg->can ("unload")) {
		2673	eval {
		2674	$cb->($pkg);
		2675	1
		2676	} or warn "$pkg unloaded, but with errors: $@";
2030	}	2677	}
2031		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2032	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2686
2036	warn "removing <$k>";	2687	warn "... unloading $k";
2037	delete $INC{$k};	2688	delete $INC{$k};
2038		2689
2039	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2040	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2041		2692
…		…
2044	}	2695	}
2045		2696
2046	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2047	}	2698	}
2048		2699
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2055	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2056		2703
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2062		2707
2063	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2709	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2066		2711
2067	# reload cf.pm	2712	warn "unload completed, starting to reload now";
		2713
2068	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2069	require cf;	2715	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2717
2072	# load config and database again	2718	warn "loading config and database again";
2073	cf::cfg_load;	2719	cf::cfg_load;
2074	cf::db_load;
2075		2720
2076	# load extensions
2077	warn "load extensions";	2721	warn "loading extensions";
2078	cf::load_extensions;	2722	cf::load_extensions;
2079		2723
2080	# reattach attachments to objects	2724	warn "reattaching attachments to objects/players";
2081	warn "reattach";	2725	_global_reattach; # objects, sockets
2082	_global_reattach;	2726	warn "reattaching attachments to maps";
2083	};	2727	reattach $_ for values %MAP;
		2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2084		2730
2085	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2086	warn $@;	2735	warn $@;
2087	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2088	exit 1;	2737	exit 1;
2089	}	2738	};
2090		2739
2091	warn "reloaded successfully";	2740	warn "reloaded";
2092	};	2741	};
2093		2742
2094	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2095		2744
2096	unless ($LINK_MAP) {	2745	sub reload_perl() {
2097	$LINK_MAP = cf::map::new;	2746	# doing reload synchronously and two reloads happen back-to-back,
		2747	# coro crashes during coro_state_free->destroy here.
2098		2748
2099	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2100	$LINK_MAP->height (41);	2750	reentrant => 0,
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2109	cb => sub {	2753	cb => sub {
2110	$_[0]->w->cancel;	2754	do_reload_perl;
2111		2755	undef $RELOAD_WATCHER;
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});	2756	},
2130		2757	);
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}	2758	}
2136
2137	register "<global>", __PACKAGE__;
2138		2759
2139	register_command "reload" => sub {	2760	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2141		2762
2142	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2143	$who->message ("start of reload.");
2144	reload;
2145	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2146	}	2766	}
2147	};	2767	};
2148		2768
2149	unshift @INC, $LIBDIR;	2769	unshift @INC, $LIBDIR;
		2770
		2771	my $bug_warning = 0;
		2772
		2773	our @WAIT_FOR_TICK;
		2774	our @WAIT_FOR_TICK_BEGIN;
		2775
		2776	sub wait_for_tick {
		2777	return unless $TICK_WATCHER->is_active;
		2778	return if $Coro::current == $Coro::main;
		2779
		2780	my $signal = new Coro::Signal;
		2781	push @WAIT_FOR_TICK, $signal;
		2782	$signal->wait;
		2783	}
		2784
		2785	sub wait_for_tick_begin {
		2786	return unless $TICK_WATCHER->is_active;
		2787	return if $Coro::current == $Coro::main;
		2788
		2789	my $signal = new Coro::Signal;
		2790	push @WAIT_FOR_TICK_BEGIN, $signal;
		2791	$signal->wait;
		2792	}
2150		2793
2151	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2152	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2153	prio => 0,	2797	prio => 0,
2154	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2155	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2156	cb => sub {	2800	cb => sub {
2157	unless ($FREEZE) {	2801	if ($Coro::current != $Coro::main) {
		2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2803	unless ++$bug_warning > 10;
		2804	return;
		2805	}
		2806
		2807	$NOW = Event::time;
		2808
2158	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2159	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2160	}
2161
2162	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
		2813
		2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2815	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2816	Coro::async_pool {
		2817	write_runtime
		2818	or warn "ERROR: unable to write runtime file: $!";
		2819	};
		2820	}
		2821
		2822	# my $AFTER = Event::time;
		2823	# warn $AFTER - $NOW;#d#
2163		2824
2164	# if we are delayed by four ticks or more, skip them all	2825	# if we are delayed by four ticks or more, skip them all
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2166		2827
2167	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2168	$TICK_WATCHER->start;	2829	$TICK_WATCHER->start;
		2830
		2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2832	$sig->send;
		2833	}
		2834	while (my $sig = shift @WAIT_FOR_TICK) {
		2835	$sig->send;
		2836	}
		2837
		2838	_post_tick;
2169	},	2839	},
2170	);	2840	);
2171		2841
		2842	{
2172	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2173		2844	$BDB_POLL_WATCHER = Event->io (
2174	Event->io (	2845	reentrant => 0,
2175	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2176	poll => 'r',	2847	poll => 'r',
2177	prio => 5,	2848	prio => 0,
2178	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,
2180	);
2181
2182	Event->timer (
2183	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2184	after => 0,	2850	cb => \&BDB::poll_cb,
2185	interval => 10,	2851	);
2186	cb => sub {	2852	BDB::min_parallel 8;
2187	(Coro::unblock_sub {	2853
2188	write_runtime	2854	BDB::set_sync_prepare {
2189	or warn "ERROR: unable to write runtime file: $!";	2855	my $status;
		2856	my $current = $Coro::current;
		2857	(
		2858	sub {
		2859	$status = $!;
		2860	$current->ready; undef $current;
		2861	},
		2862	sub {
		2863	Coro::schedule while defined $current;
		2864	$! = $status;
		2865	},
		2866	)
		2867	};
		2868
		2869	unless ($DB_ENV) {
		2870	$DB_ENV = BDB::db_env_create;
		2871
		2872	cf::sync_job {
		2873	eval {
		2874	BDB::db_env_open
		2875	$DB_ENV,
		2876	$BDB_ENV_DIR,
		2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2879	0666;
		2880
		2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2882
		2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2884	$DB_ENV->set_lk_detect;
		2885	};
		2886
		2887	cf::cleanup "db_env_open(db): $@" if $@;
2190	})->();	2888	};
2191	},	2889	}
2192	);	2890	}
		2891
		2892	{
		2893	IO::AIO::min_parallel 8;
		2894
		2895	undef $Coro::AIO::WATCHER;
		2896	IO::AIO::max_poll_time $TICK * 0.1;
		2897	$AIO_POLL_WATCHER = Event->io (
		2898	reentrant => 0,
		2899	data => WF_AUTOCANCEL,
		2900	fd => IO::AIO::poll_fileno,
		2901	poll => 'r',
		2902	prio => 6,
		2903	cb => \&IO::AIO::poll_cb,
		2904	);
		2905	}
		2906
		2907	# load additional modules
		2908	use cf::pod;
		2909
		2910	END { cf::emergency_save }
2193		2911
2194	1	2912	1
2195		2913

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