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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 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 $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		85
57	binmode STDOUT;	86	binmode STDOUT;
58	binmode STDERR;	87	binmode STDERR;
59		88
60	# read virtual server time, if available	89	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	96	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
72		102
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
76		106
77	#############################################################################	107	#############################################################################
78		108
79	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
80		110
…		…
104		134
105	=item %cf::CFG	135	=item %cf::CFG
106		136
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
114	BEGIN {	150	BEGIN {
115	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	152	my $msg = join "", @_;
117	utf8::encode $msg;
118		153
119	$msg .= "\n"	154	$msg .= "\n"
120	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
121		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		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
160	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
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		224
184	=item cf::lock_wait $string	225	=item cf::lock_wait $string
185		226
186	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
187		228
…		…
221	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
223	}	264	}
224	}	265	}
225		266
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	267	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
244		269
245	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
246	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
247	$guard	274	$guard
248	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
249		286
250	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
251		288
252	The design of crossfire+ requires that the main coro ($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
…		…
272	my $freeze_guard = freeze_mainloop;	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 $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
307		343
308	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
310	});	346	});
311	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
312		348
313	$coro	349	$coro
314	}	350	}
315		351
316	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
317	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
318		356
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	358	or return;
321		359
		360	my $value = $cf::RUNTIME + 90 + 10;
322	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
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	365	and return;
325		366
		367	# always fsync - this file is important
326	aio_fsync $fh	368	aio_fsync $fh
327	and return;	369	and return;
328		370
329	close $fh	371	close $fh
330	or return;	372	or return;
…		…
333	and return;	375	and return;
334		376
335	1	377	1
336	}	378	}
337		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
338	=back	391	=back
339		392
340	=cut	393	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		394
462	#############################################################################	395	#############################################################################
463		396
464	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
465		398
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	525	our @CB_MAP = ();
593		526
594	my %attachment;	527	my %attachment;
595		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
596	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
598		537
599	use sort 'stable';	538	use sort 'stable';
600		539
…		…
771	# object support	710	# object support
772		711
773	sub reattach {	712	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		717
777	my $registry = $obj->registry;	718	my $registry = $obj->registry;
778		719
779	@$registry = ();	720	@$registry = ();
780		721
…		…
827	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
828		769
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	774	close $fh;
834		775
835	if (@$objs) {	776	if (@$objs) {
836	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) {
837	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	782	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
843	}	784	}
844	} else {	785	} else {
845	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
912	=cut	853	=cut
913		854
914	sub register_extcmd {	855	sub register_extcmd {
915	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
916		857
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
921	}	859	}
922		860
923	cf::player->attach (	861	cf::player->attach (
924	on_command => sub {	862	on_command => sub {
925	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
938		876
939	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
940		878
941	if (ref $msg) {	879	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	883	}
946	}	884	}
947	} else {	885	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		888
951	cf::override;	889	cf::override;
952	},	890	},
953	);	891	);
954		892
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	893	sub load_extension {
962	my ($path) = @_;	894	my ($path) = @_;
963		895
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	897	my $base = $1;
966	my $pkg = $1;	898	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
969		901
970	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
971		903
972	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
973	or die "$path: $!";	905	or die "$path: $!";
974		906
975	my $source =	907	my $source =
976	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
979	. "\n};\n1";	911	. "\n};\n1";
980		912
981	eval $source	913	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	915	: "extension disabled.\n";
984		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	917	warn $@;
986	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
987		919	exit 1;
988	# no strict 'refs';	920	}
989	# @{"$pkg\::ISA"} = ext::;	921	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	922	}
1004		923
1005	# remove commands	924	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	925	}
1030		926
1031	sub load_extensions {	927	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	929	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1038	}	934	}
1039	}	935	}
1040		936
1041	#############################################################################	937	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		938
1079	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1080		940
1081	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1082		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1083	=head3 cf::player	949	=head3 cf::player
1084		950
1085	=over 4	951	=over 4
1086		952
1087	=item cf::player::exists $login	953	=item cf::player::find $login
1088		954
1089	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1090		956
1091	=cut	957	=cut
1092		958
1093	sub cf::player::exists($) {	959	sub playerdir($) {
1094	cf::player::find $_[0]	960	cf::localdir
1095	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])
1096	}	965	}
1097		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
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1099		1139
1100	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1101		1141
1102	=cut	1142	=cut
1103		1143
1104	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1105	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1106		1146
1107	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1108		1148
1109	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1110	}	1191	}
1111		1192
1112	=back	1193	=back
1113
1114		1194
1115	=head3 cf::map	1195	=head3 cf::map
1116		1196
1117	=over 4	1197	=over 4
1118		1198
…		…
1121	package cf::map;	1201	package cf::map;
1122		1202
1123	use Fcntl;	1203	use Fcntl;
1124	use Coro::AIO;	1204	use Coro::AIO;
1125		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1126	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1128		1212
1129	sub generate_random_map {	1213	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1216	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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
1146	}	1358	}
1147		1359
1148	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1149	# all maps in C++...	1361	# all maps in C++...
1150	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1152		1364
1153	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1155	}	1367	}
1156		1368
		1369	sub unlink_save {
		1370	my ($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
1157	sub try_load_header($) {	1377	sub load_header_from($) {
1158	my ($path) = @_;	1378	my ($self, $path) = @_;
1159		1379
1160	utf8::encode $path;	1380	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1162	or return;	1385	or return;
1163		1386
1164	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
1165	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1166		1433
1167	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1168	$map->path ($path);	1435	unless $self->default_region;
1169		1436
1170	$map->load_header ($path)	1437	1
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1438	}
1177		1439
1178	sub find;	1440	sub find;
1179	sub find {	1441	sub find {
1180	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1181		1443
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1445
1187	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1188		1447
1189	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1191		1450	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1451	or return;
1211		1452
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1224		1454
1225	Coro::cede;	1455	$map->load_header
		1456	or return;
1226		1457
1227	if ($map->should_reset) {	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;
1228	$map->reset;	1461	$map->reset;
1229	undef $guard;	1462	undef $guard;
1230	$map = find $path	1463	return find $path;
1231	or return;
1232	}	1464	}
1233		1465
1234	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1235	}	1467	}
1236	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1237		1472
1238	sub load {	1473	sub load {
1239	my ($self) = @_;	1474	my ($self) = @_;
1240		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1241	my $path = $self->{path};	1478	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1243		1480
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1482
1246	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1247		1484
1248	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1249	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1491	or return;
1251		1492
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1494	if delete $self->{load_original};
1254		1495
1255	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1497	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1499	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1260	}	1501	}
1261	}	1502	}
1262		1503
1263	Coro::cede;	1504	Coro::cede;
1264
1265	# now do the right thing for maps	1505	# now do the right thing for maps
1266	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1267		1508
1268	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1510	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1275	$self->set_darkness_map;	1514	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1278	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1279	}	1520	}
1280		1521
		1522	$self->post_load;
1281	Coro::cede;	1523	Coro::cede;
1282		1524
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($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	$neigh->load;
		1558	}
1284	}	1559	}
1285		1560
1286	sub find_sync {	1561	sub find_sync {
1287	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1288		1563
1289	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1290	}	1565	}
1291		1566
1292	sub do_load_sync {	1567	sub do_load_sync {
1293	my ($map) = @_;	1568	my ($map) = @_;
1294		1569
1295	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1296	}	1571	}
1297		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;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1298	sub save {	1603	sub save {
1299	my ($self) = @_;	1604	my ($self) = @_;
1300		1605
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1607
1303	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1304		1609
1305	return unless $self->dirty;	1610	return unless $self->dirty;
1306		1611
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1614
1310	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1311		1616
1312	return if $self->{deny_save};	1617	return if $self->{deny_save};
1313		1618
1314	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1315		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1316	if ($uniq) {	1625	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1628	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1630	}
1322	}	1631	}
1323		1632
1324	sub swap_out {	1633	sub swap_out {
1325	my ($self) = @_;	1634	my ($self) = @_;
…		…
1339		1648
1340	sub reset_at {	1649	sub reset_at {
1341	my ($self) = @_;	1650	my ($self) = @_;
1342		1651
1343	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1346		1655
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1658
…		…
1354	my ($self) = @_;	1663	my ($self) = @_;
1355		1664
1356	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1357	}	1666	}
1358		1667
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1668	sub reset {
1381	my ($self) = @_;	1669	my ($self) = @_;
1382		1670
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1672
1385	return if $self->players;	1673	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1387		1675
1388	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1389		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
1390	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1391		1691
1392	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1393		1693
1394	$self->unlink_save;	1694	$self->unlink_save;
1395	$self->destroy;	1695	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1399		1699
1400	sub nuke {	1700	sub nuke {
1401	my ($self) = @_;	1701	my ($self) = @_;
1402		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1406	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1407	}	1716	}
1408		1717
1409	sub customise_for {	1718	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1719
1412	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1414	}
1415		1722
1416	$map	1723	=cut
1417	}
1418		1724
1419	sub emergency_save {	1725	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1421		1728
1422	warn "enter emergency map save\n";	1729	my @paths;
1423		1730
1424	cf::sync_job {	1731	for (@$files) {
1425	warn "begin emergency map save\n";	1732	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1427	};	1737	}
1428		1738
1429	warn "end emergency map save\n";	1739	\@paths
1430	}	1740	}
1431		1741
1432	package cf;	1742	package cf;
1433		1743
1434	=back	1744	=back
1435		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
1436		1772
1437	=head3 cf::object::player	1773	=head3 cf::object::player
1438		1774
1439	=over 4	1775	=over 4
1440		1776
…		…
1480		1816
1481	=item $player_object->enter_link	1817	=item $player_object->enter_link
1482		1818
1483	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}>).
1484		1820
1485	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
1486	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1487		1823
		1824	Will never block.
		1825
1488	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1489		1827
1490	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1831	fails, to the emergency map position.
1494		1832
1495	Might block.	1833	Might block.
1496		1834
1497	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1498		1846
1499	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1848	my ($self) = @_;
1501		1849
1502	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1503		1851
1504	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1853
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1855	if $self->map;
1508		1856
1509	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	1858	}
1511		1859
1512	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1514		1862
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1535		1883
1536	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1537		1886
		1887	return unless $self->contr->active;
1538	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1540	}	1892	}
1541		1893
1542	cf::player->attach (	1894	cf::player->attach (
1543	on_logout => sub {	1895	on_logout => sub {
…		…
1555		1907
1556	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1909	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1560	cf::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);
1561	# 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
1562	# 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
1563	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1565	};	1921	})->prio (2);
1566	}	1922	}
1567	},	1923	},
1568	);	1924	);
1569		1925
1570	=item $player_object->goto ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1576		1932
1577	$self->enter_link;	1933	$self->enter_link;
1578		1934
1579	(cf::async {	1935	(async {
1580	$path = new cf::path $path;	1936	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1584		1939	$map
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1586	# if $map;
1587
1588	$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);
1589		1942
1590	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1944	})->prio (1);
1592	}	1945	}
1593		1946
…		…
1597		1950
1598	sub parse_random_map_params {	1951	sub parse_random_map_params {
1599	my ($spec) = @_;	1952	my ($spec) = @_;
1600		1953
1601	my $rmp = { # defaults	1954	my $rmp = { # defaults
1602	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1604	};	1959	};
1605		1960
1606	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1608		1963
…		…
1612	$rmp	1967	$rmp
1613	}	1968	}
1614		1969
1615	sub prepare_random_map {	1970	sub prepare_random_map {
1616	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1974
1618	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1977	# that depends on the exit object
1621		1978
1622	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1623		1980
1624	if ($exit->map) {	1981	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1629	}	1986	}
1630		1987
1631	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1632		1989
1633	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1993
1636	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) {
1637	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;
1638		1998
1639	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2000	$exit->msg (undef);
1641	}	2001	}
1642	}	2002	}
…		…
1644	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1646		2006
1647	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1648		2008
		2009	if ($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
1649	$self->enter_link;	2020	$self->enter_link;
1650		2021
1651	(cf::async {	2022	(async {
1652	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2024	unless (eval {
1654	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		2026
1660	1;	2027	1;
1661	}) {	2028	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "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. "
1664	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2033
1667	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2035	$self->leave_link;
1669	}	2036	}
1670	})->prio (1);	2037	})->prio (1);
…		…
1683		2050
1684	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1686		2053
1687	utf8::encode $text;	2054	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2056	}
1690		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	}
1691		2070
1692	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1693		2072
1694	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1695	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>,
…		…
1724	# get handled first	2103	# get handled first
1725	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2106
1728	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2109
1730	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1731		2111
1732	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2113	if (@$queue) {
…		…
1737	}	2117	}
1738	}	2118	}
1739	},	2119	},
1740	);	2120	);
1741		2121
1742	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1743		2123
1744	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1745	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,
1746	or loss of connection).	2126	or loss of connection).
1747		2127
1748	=cut	2128	=cut
1749		2129
1750	sub cf::client::coro {	2130	sub cf::client::async {
1751	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1752		2132
1753	my $coro = &cf::async ($cb);	2133	my $coro = &Coro::async ($cb);
1754		2134
1755	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1757	});	2137	});
1758		2138
…		…
1791		2171
1792	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1793		2173
1794	=pod	2174	=pod
1795		2175
1796	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1797		2177
1798	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1799	cf::object::player player	2179	cf::object::player player
1800	cf::player peaceful	2180	cf::player peaceful
1801	cf::map trigger	2181	cf::map trigger
…		…
1886	#############################################################################	2266	#############################################################################
1887		2267
1888	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1889		2269
1890	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1891	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1892	excludes objects.	2272	convert to/from binary).
1893		2273
1894	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
1895	using it, it should be unique.	2275	using it, it should be unique.
1896		2276
1897	=over 4	2277	=over 4
1898		2278
1899	=item $hashref = cf::db_get $family
1900
1901	Return a hashref for use by the extension C<$family>, which can be
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904
1905	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1906		2280
1907	Returns a single value from the database	2281	Returns a single value from the database.
1908
1909	=item cf::db_put $family => $hashref
1910
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913		2282
1914	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1915		2284
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926		2286
1927	=cut	2287	=cut
1928		2288
1929	our $DB;	2289	our $DB;
1930		2290
1931	{	2291	sub db_init {
1932	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1933		2294
1934	sub db_load() {	2295	cf::sync_job {
1935	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1936	}	2297	$DB->set_flags (BDB::CHKSUM);
1937		2298
1938	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1939		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1940	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1941	waitpid $pid, 0 if $pid;	2302	};
1942	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}	2304	};
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	2305	}
		2306	}
1960		2307
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}
1965
1966	sub db_get($;$) {	2308	sub db_get($$) {
1967	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1972	sub db_put($$;$) {	2319	sub db_put($$$) {
1973	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1974	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1975	} else {	2322	}
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980		2323
1981	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1982	prio => 10000,	2325
1983	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1984	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
1985	},	2356	}
1986	);	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"
1987	}	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 $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1988		2434
1989	#############################################################################	2435	#############################################################################
1990	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		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	}
1991		2524
1992	sub cfg_load {	2525	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1994	or return;	2527	or return;
1995		2528
1996	local $/;	2529	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2530	*CFG = YAML::Syck::Load <$fh>;
1998		2531
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		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
2001	if (exists $CFG{mlockall}) {	2537	if (exists $CFG{mlockall}) {
2002	eval {	2538	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2540	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2541	};
2006	warn $@ if $@;	2542	warn $@ if $@;
2007	}	2543	}
2008	}	2544	}
2009		2545
2010	sub main {	2546	sub main {
2011	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2013	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#
2014	(Coro::unblock_sub {	2550	(async {
2015	Event::one_event;	2551	Event::one_event;
2016	})->();	2552	})->prio (Coro::PRIO_MAX);
2017	};	2553	};
2018		2554
2019	cfg_load;	2555	cfg_load;
2020	db_load;	2556	db_init;
2021	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2022	Event::loop;	2560	Event::loop;
2023	}	2561	}
2024		2562
2025	#############################################################################	2563	#############################################################################
2026	# initialisation	2564	# initialisation and cleanup
2027		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 $make_core;
		2619	}
		2620
2028	sub reload() {	2621	sub do_reload_perl() {
2029	# can/must only be called in main	2622	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2032	return;	2625	return;
2033	}	2626	}
2034		2627
2035	warn "reloading...";	2628	warn "reloading...";
2036		2629
2037	my $guard = freeze_mainloop;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2039		2636
2040	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2041	# 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
2042		2641
2043	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2645	}
2047		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2048	# cancel all extension coros	2658	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2660	%EXT_CORO = ();
2051		2661
2052	# unload all extensions	2662	warn "removing commands";
2053	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2055	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: $@";
2056	}	2677	}
2057		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2058	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2686
2062	warn "removing <$k>";	2687	warn "... unloading $k";
2063	delete $INC{$k};	2688	delete $INC{$k};
2064		2689
2065	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2067		2692
…		…
2070	}	2695	}
2071		2696
2072	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2073	}	2698	}
2074		2699
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2081	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);
2082		2703
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2088		2707
2089	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2709	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2092		2711
2093	# reload cf.pm	2712	warn "unload completed, starting to reload now";
		2713
2094	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2095	require cf;	2715	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2717
2098	# load config and database again	2718	warn "loading config and database again";
2099	cf::cfg_load;	2719	cf::cfg_load;
2100	cf::db_load;
2101		2720
2102	# load extensions
2103	warn "load extensions";	2721	warn "loading extensions";
2104	cf::load_extensions;	2722	cf::load_extensions;
2105		2723
2106	# reattach attachments to objects	2724	warn "reattaching attachments to objects/players";
2107	warn "reattach";	2725	_global_reattach; # objects, sockets
2108	_global_reattach;	2726	warn "reattaching attachments to maps";
2109	};	2727	reattach $_ for values %MAP;
		2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2110		2730
2111	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2112	warn $@;	2735	warn $@;
2113	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2114	exit 1;	2737	exit 1;
2115	}	2738	};
2116		2739
2117	warn "reloaded successfully";	2740	warn "reloaded";
2118	};	2741	};
2119		2742
2120	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2121		2744
2122	unless ($LINK_MAP) {	2745	sub reload_perl() {
2123	$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.
2124		2748
2125	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2126	$LINK_MAP->height (41);	2750	reentrant => 0,
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2135	cb => sub {	2753	cb => sub {
2136	$_[0]->w->cancel;	2754	do_reload_perl;
2137		2755	undef $RELOAD_WATCHER;
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});	2756	},
2156		2757	);
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	2758	}
2162
2163	register "<global>", __PACKAGE__;
2164		2759
2165	register_command "reload" => sub {	2760	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2167		2762
2168	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2172	}	2766	}
2173	};	2767	};
2174		2768
2175	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	}
2176		2793
2177	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2179	prio => 0,	2797	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2182	cb => sub {	2800	cb => sub {
		2801	if ($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
2183	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2184	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
2186		2813
		2814	if ($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#
		2824
2187	# 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
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2827
2190	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2191	$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;
2192	},	2839	},
2193	);	2840	);
2194		2841
		2842	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2196		2844	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	2845	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2199	poll => 'r',	2847	poll => 'r',
2200	prio => 5,	2848	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2207	after => 0,	2850	cb => \&BDB::poll_cb,
2208	interval => 10,	2851	);
2209	cb => sub {	2852	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	2853
2211	write_runtime	2854	BDB::set_sync_prepare {
2212	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 $@;
2213	})->();	2888	};
2214	},	2889	}
2215	);	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;
2216		2909
2217	END { cf::emergency_save }	2910	END { cf::emergency_save }
2218		2911
2219	1	2912	1
2220		2913

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