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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.125 by root, Tue Jan 2 23:06:39 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	95
55	our $RANDOM_MAPS = cf::localdir . "/random";	96	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		262
186	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
187		264	sub from_json ($) { $json_coder->decode ($_[0]) }
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		265
208	=item cf::lock_wait $string	266	=item cf::lock_wait $string
209		267
210	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
211		269
212	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
213		271
214	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
217	returned.	275	returned.
218		276
219	Lock names should begin with a unique identifier (for example, find_map	277	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	278	uses map_find and cf::map::load uses map_load).
		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
221		283
222	=cut	284	=cut
223		285
224	our %LOCK;	286	our %LOCK;
225		287
…		…
239	# wait, to be sure we are not locked	301	# wait, to be sure we are not locked
240	lock_wait $key;	302	lock_wait $key;
241		303
242	$LOCK{$key} = [];	304	$LOCK{$key} = [];
243		305
244	cf::guard {	306	Coro::guard {
245	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
247	}	309	}
248	}	310	}
249		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
		318	sub freeze_mainloop {
		319	return unless $TICK_WATCHER->is_active;
		320
		321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
		324	$TICK_WATCHER->stop;
		325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
		384	=item cf::async { BLOCK }
		385
		386	Currently the same as Coro::async_pool, meaning you cannot use
		387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		388	thing you are allowed to do is call C<prio> on it.
		389
		390	=cut
		391
		392	BEGIN { *async = \&Coro::async_pool }
		393
250	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
251		395
252	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
255		400
256	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
259	fast or be very important.	404	fast or be very important.
…		…
262		407
263	sub sync_job(&) {	408	sub sync_job(&) {
264	my ($job) = @_;	409	my ($job) = @_;
265		410
266	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
267	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
269		416
270	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	418	# (but this is cancel-safe)
272	local $FREEZE = 1;	419	my $freeze_guard = freeze_mainloop;
273		420
274	my $busy = 1;	421	my $busy = 1;
275	my @res;	422	my @res;
276		423
277	(Coro::async {	424	(async {
278	@res = eval { $job->() };	425	@res = eval { $job->() };
279	warn $@ if $@;	426	warn $@ if $@;
280	undef $busy;	427	undef $busy;
281	})->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
282		429
283	while ($busy) {	430	while ($busy) {
284	Coro::cede_notself;	431	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	432	}
		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
287		440
288	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
289	} else {	442	} else {
290	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
291		444
292	$job->()	445	$job->()
293	}	446	}
294	}	447	}
295		448
296	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
297		450
298	Creates and returns a new coro. This coro is automcatially being canceled	451	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
300		453
301	=cut	454	=cut
302		455
303	sub coro(&) {	456	sub async_ext(&) {
304	my $cb = shift;	457	my $cb = shift;
305		458
306	my $coro; $coro = async {	459	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		460
313	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
315	});	463	});
316	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
317		465
318	$coro	466	$coro
319	}	467	}
320		468
321	sub write_runtime {	469	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		470
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
325	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
326		475
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		477
331	aio_fsync $fh	478	sub fork_call(&@) {
332	and return;	479	my ($cb, @args) = @_;
333		480
334	close $fh	481	# we seemingly have to make a local copy of the whole thing,
335	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
336		484
337	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
338	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
339		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
340	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
341	}	618	}
342		619
343	=back	620	=back
344		621
345	=cut	622	=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		623
467	#############################################################################	624	#############################################################################
468		625
469	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
470		627
…		…
472	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
473	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
474		631
475	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
476	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
477	crossfire+).	634	Crossfire TRT).
478		635
479	=over 4	636	=over 4
480		637
481	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
482		639
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	754	our @CB_MAP = ();
598		755
599	my %attachment;	756	my %attachment;
600		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
601	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
603		766
604	use sort 'stable';	767	use sort 'stable';
605		768
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
640		803
641	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		808
646	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	810	my $pkg = shift @arg;
648		811
649	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
679	}	842	}
680		843
681	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
682	} else {	845	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	847	}
685		848
686	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
687	}	850	}
688		851
…		…
690	if (ref $_[0]) {	853	if (ref $_[0]) {
691	_object_attach @_;	854	_object_attach @_;
692	} else {	855	} else {
693	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
694	}	857	}
		858	_recalc_want;
695	};	859	};
696		860
697	# all those should be optimised	861	# all those should be optimised
698	sub cf::attachable::detach {	862	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
703	reattach ($obj);	867	reattach ($obj);
704	} else {	868	} else {
705	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
706	}	870	}
		871	_recalc_want;
707	};	872	};
708		873
709	sub cf::attachable::attached {	874	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
711		876
…		…
726	";	891	";
727	die if $@;	892	die if $@;
728	}	893	}
729		894
730	our $override;	895	our $override;
731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
732		897
733	sub override {	898	sub override {
734	$override = 1;	899	$override = 1;
735	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
736	}	901	}
737		902
738	sub do_invoke {	903	sub do_invoke {
739	my $event = shift;	904	my $event = shift;
740	my $callbacks = shift;	905	my $callbacks = shift;
741		906
742	@invoke_results = ();	907	@INVOKE_RESULTS = ();
743		908
744	local $override;	909	local $override;
745		910
746	for (@$callbacks) {	911	for (@$callbacks) {
747	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
764		929
765	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
766		931
767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
768	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
769	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		935
771	=back	936	=back
772		937
773	=cut	938	=cut
774		939
775	#############################################################################	940	#############################################################################
776	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
777		953
778	sub reattach {	954	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		959
782	my $registry = $obj->registry;	960	my $registry = $obj->registry;
783		961
784	@$registry = ();	962	@$registry = ();
785		963
…		…
832	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
833		1011
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1016	close $fh;
839		1017
840	if (@$objs) {	1018	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	1024	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
848	}	1026	}
849	} else {	1027	} else {
850	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
882	or return;	1060	or return;
883	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
884	}	1062	}
885		1063
886	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
888	return ($data, $av);	1066	return ($data, $av);
889	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
890		1074
891	#############################################################################	1075	#############################################################################
892	# command handling &c	1076	# command handling &c
893		1077
894	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1092	}
909		1093
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1095
912	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
913		1101
914	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
915	called.	1103	called.
916		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
917	=cut	1116	=cut
918		1117
919	sub register_extcmd {	1118	sub register_extcmd {
920	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
921		1120
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
926	}	1128	}
927		1129
928	cf::player->attach (	1130	cf::player->attach (
929	on_command => sub {	1131	on_command => sub {
930	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
939	cf::override;	1141	cf::override;
940	},	1142	},
941	on_extcmd => sub {	1143	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
943		1145
944	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1147
946	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
952	} else {	1163	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1165	}
955		1166
956	cf::override;	1167	cf::override;
957	},	1168	},
958	);	1169	);
959		1170
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
		1175	for my $path (<$LIBDIR/*.ext>) {
		1176	next unless -r $path;
		1177
		1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
		1235	}
		1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
		1241	};
		1242	}
		1243
		1244	#############################################################################
		1245
		1246	=back
		1247
		1248	=head2 CORE EXTENSIONS
		1249
		1250	Functions and methods that extend core crossfire objects.
		1251
		1252	=cut
		1253
		1254	package cf::player;
		1255
		1256	use Coro::AIO;
		1257
		1258	=head3 cf::player
		1259
		1260	=over 4
		1261
		1262	=item cf::player::find $login
		1263
		1264	Returns the given player object, loading it if necessary (might block).
		1265
		1266	=cut
		1267
		1268	sub playerdir($) {
		1269	"$PLAYERDIR/"
		1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1271	}
		1272
		1273	sub path($) {
		1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1275
		1276	(playerdir $login) . "/playerdata"
		1277	}
		1278
		1279	sub find_active($) {
		1280	$cf::PLAYER{$_[0]}
		1281	and $cf::PLAYER{$_[0]}->active
		1282	and $cf::PLAYER{$_[0]}
		1283	}
		1284
		1285	sub exists($) {
		1286	my ($login) = @_;
		1287
		1288	$cf::PLAYER{$login}
		1289	or cf::sync_job { !aio_stat path $login }
		1290	}
		1291
		1292	sub find($) {
		1293	return $cf::PLAYER{$_[0]} || do {
		1294	my $login = $_[0];
		1295
		1296	my $guard = cf::lock_acquire "user_find:$login";
		1297
		1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
		1306	my $pl = load_pl path $login
		1307	or return;
		1308	$cf::PLAYER{$login} = $pl
		1309	}
		1310	}
		1311	}
		1312
		1313	sub save($) {
		1314	my ($pl) = @_;
		1315
		1316	return if $pl->{deny_save};
		1317
		1318	my $path = path $pl;
		1319	my $guard = cf::lock_acquire "user_save:$path";
		1320
		1321	return if $pl->{deny_save};
		1322
		1323	aio_mkdir playerdir $pl, 0770;
		1324	$pl->{last_save} = $cf::RUNTIME;
		1325
		1326	$pl->save_pl ($path);
		1327	cf::cede_to_tick;
		1328	}
		1329
		1330	sub new($) {
		1331	my ($login) = @_;
		1332
		1333	my $self = create;
		1334
		1335	$self->ob->name ($login);
		1336	$self->{deny_save} = 1;
		1337
		1338	$cf::PLAYER{$login} = $self;
		1339
		1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
		1353	=item $pl->quit_character
		1354
		1355	Nukes the player without looking back. If logged in, the connection will
		1356	be destroyed. May block for a long time.
		1357
		1358	=cut
		1359
		1360	sub quit_character {
		1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
		1364
		1365	$pl->{deny_save} = 1;
		1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1367
		1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1369	$pl->deactivate;
		1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1371	$pl->ns->destroy if $pl->ns;
		1372
		1373	my $path = playerdir $pl;
		1374	my $temp = "$path~$cf::RUNTIME~deleting~";
		1375	aio_rename $path, $temp;
		1376	delete $cf::PLAYER{$pl->ob->name};
		1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
		1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
		1399	}
		1400
		1401	=item cf::player::list_logins
		1402
		1403	Returns am arrayref of all valid playernames in the system, can take a
		1404	while and may block, so not sync_job-capable, ever.
		1405
		1406	=cut
		1407
		1408	sub list_logins {
		1409	my $dirs = aio_readdir $PLAYERDIR
		1410	or return [];
		1411
		1412	my @logins;
		1413
		1414	for my $login (@$dirs) {
		1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1416	aio_read $fh, 0, 512, my $buf, 0 or next;
		1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1418
		1419	utf8::decode $login;
		1420	push @logins, $login;
		1421	}
		1422
		1423	\@logins
		1424	}
		1425
		1426	=item $player->maps
		1427
		1428	Returns an arrayref of map paths that are private for this
		1429	player. May block.
		1430
		1431	=cut
		1432
		1433	sub maps($) {
		1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
		1438	my $files = aio_readdir playerdir $pl
		1439	or return;
		1440
		1441	my @paths;
		1442
		1443	for (@$files) {
		1444	utf8::decode $_;
		1445	next if /\.(?:pl|pst)$/;
		1446	next unless /^$PATH_SEP/o;
		1447
		1448	push @paths, cf::map::normalise "~$pl/$_";
		1449	}
		1450
		1451	\@paths
		1452	}
		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
		1504	=item $player->ext_reply ($msgid, @msg)
		1505
		1506	Sends an ext reply to the player.
		1507
		1508	=cut
		1509
		1510	sub ext_reply($$@) {
		1511	my ($self, $id, @msg) = @_;
		1512
		1513	$self->ns->ext_reply ($id, @msg)
		1514	}
		1515
		1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
967	my ($path) = @_;	1543	my ($path) = @_;
968		1544
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1545	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1546
975	warn "loading '$path' into '$pkg'\n";	1547	for my $region (list) {
976		1548	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1549	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1550	if $region->specificity > $specificity;
979		1551	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
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	# }	1552	}
1009		1553
1010	# remove commands	1554	$match
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	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
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
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1555	}
1116		1556
1117	=back	1557	=back
1118
1119		1558
1120	=head3 cf::map	1559	=head3 cf::map
1121		1560
1122	=over 4	1561	=over 4
1123		1562
…		…
1126	package cf::map;	1565	package cf::map;
1127		1566
1128	use Fcntl;	1567	use Fcntl;
1129	use Coro::AIO;	1568	use Coro::AIO;
1130		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1131	our $MAX_RESET = 7200;	1574	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1575	our $DEFAULT_RESET = 3000;
1133		1576
1134	sub generate_random_map {	1577	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1580	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1151	}	1720	}
1152		1721
1153	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1154	# all maps in C++...	1723	# all maps in C++...
1155	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1157		1726
1158	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1160	}	1729	}
1161		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1162	sub try_load_header($) {	1747	sub load_header_from($) {
1163	my ($path) = @_;	1748	my ($self, $path) = @_;
1164		1749
1165	utf8::encode $path;	1750	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1167	or return;	1755	or return;
1168		1756
1169	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1170	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1171		1803
1172	$map->load_header ($path)	1804	$self->{deny_reset} = 1
1173	or return;	1805	if $self->no_reset;
1174		1806
1175	$map->{load_path} = $path;	1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1176		1809
1177	$map	1810	1
1178	}	1811	}
1179		1812
		1813	sub find;
1180	sub find_map {	1814	sub find {
1181	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1182		1816
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1818
1188	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1189		1820
1190	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1192		1823	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;	1824	or return;
1208		1825
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;	1826	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1827
1222	if ($map->should_reset) {	1828	$map->load_header
		1829	or return;
		1830
		1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1834	$map->reset;
1224	undef $guard;	1835	undef $guard;
1225	$map = cf::map::find_map ($path)	1836	return find $path;
1226	or return;
1227	}	1837	}
1228		1838
1229	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1230	}	1840	}
1231	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1232		1845
1233	sub load {	1846	sub load {
1234	my ($self) = @_;	1847	my ($self) = @_;
1235		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1236	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1238		1856
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1858
1241	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1242		1860
1243	$self->alloc;	1861	$self->alloc;
		1862
		1863	$self->pre_load;
		1864	cf::cede_to_tick;
		1865
1244	$self->load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1867	or return;
1246		1868
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1870	if delete $self->{load_original};
1249		1871
1250	if (my $uniq = $path->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1873	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1875	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1255	}	1877	}
1256	}	1878	}
1257		1879
		1880	cf::cede_to_tick;
1258	# now do the right thing for maps	1881	# now do the right thing for maps
1259	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1884	unless $self->difficulty;
		1885	cf::cede_to_tick;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	cf::cede_to_tick;
		1892	$self->set_darkness_map;
		1893	cf::cede_to_tick;
1271	$self->activate;	1894	$self->activate;
1272	}	1895	}
1273		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1901	}
1276		1902
1277	sub load_map_sync {	1903	$self->post_load;
		1904	}
		1905
		1906	sub customise_for {
		1907	my ($self, $ob) = @_;
		1908
		1909	return find "~" . $ob->name . "/" . $self->{path}
		1910	if $self->per_player;
		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
		1915	$self
		1916	}
		1917
		1918	# find and load all maps in the 3x3 area around a map
		1919	sub load_neighbours {
		1920	my ($map) = @_;
		1921
		1922	my @neigh; # diagonal neighbours
		1923
		1924	for (0 .. 3) {
		1925	my $neigh = $map->tile_path ($_)
		1926	or next;
		1927	$neigh = find $neigh, $map
		1928	or next;
		1929	$neigh->load;
		1930
		1931	push @neigh,
		1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1934	}
		1935
		1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
		1938	my $neigh = find $path, $origin
		1939	or next;
		1940	$neigh->load;
		1941	}
		1942	}
		1943
		1944	sub find_sync {
1278	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1279		1946
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1947	cf::sync_job { find $path, $origin }
		1948	}
1281		1949
1282	cf::sync_job {	1950	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1951	my ($map) = @_;
1284	or return;	1952
1285	$map->load;	1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1286	$map	1954	if $Coro::current == $Coro::main;
		1955
		1956	cf::sync_job { $map->load };
		1957	}
		1958
		1959	our %MAP_PREFETCH;
		1960	our $MAP_PREFETCHER = undef;
		1961
		1962	sub find_async {
		1963	my ($path, $origin, $load) = @_;
		1964
		1965	$path = normalise $path, $origin && $origin->{path};
		1966
		1967	if (my $map = $cf::MAP{$path}) {
		1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
		1973	$MAP_PREFETCHER ||= cf::async {
		1974	while (%MAP_PREFETCH) {
		1975	while (my ($k, $v) = each %MAP_PREFETCH) {
		1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
		1980	delete $MAP_PREFETCH{$k};
		1981	}
		1982	}
		1983	undef $MAP_PREFETCHER;
1287	}	1984	};
		1985	$MAP_PREFETCHER->prio (6);
		1986
		1987	()
1288	}	1988	}
1289		1989
1290	sub save {	1990	sub save {
1291	my ($self) = @_;	1991	my ($self) = @_;
1292		1992
		1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1994
1293	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1294		1996
1295	return unless $self->dirty;	1997	return unless $self->dirty;
1296		1998
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1999	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2000	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		2001
1300	$self->{load_path} = $save;	2002	$self->{load_path} = $save;
1301		2003
1302	return if $self->{deny_save};	2004	return if $self->{deny_save};
1303		2005
		2006	local $self->{last_access} = $self->last_access;#d#
		2007
		2008	cf::async {
		2009	$_->contr->save for $self->players;
		2010	};
		2011
1304	if ($uniq) {	2012	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	2015	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	2017	}
1310	}	2018	}
1311		2019
1312	sub swap_out {	2020	sub swap_out {
1313	my ($self) = @_;	2021	my ($self) = @_;
		2022
		2023	# save first because save cedes
		2024	$self->save;
		2025
		2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1314		2027
1315	return if $self->players;	2028	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	2030	return if $self->{deny_save};
1318		2031
1319	$self->save;
1320	$self->clear;	2032	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	2033	$self->in_memory (cf::MAP_SWAPPED);
1322	}	2034	}
1323		2035
1324	sub reset_at {	2036	sub reset_at {
1325	my ($self) = @_;	2037	my ($self) = @_;
1326		2038
1327	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};
1329	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1330		2041
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		2044
…		…
1338	my ($self) = @_;	2049	my ($self) = @_;
1339		2050
1340	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1341	}	2052	}
1342		2053
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	2054	sub reset {
1365	my ($self) = @_;	2055	my ($self) = @_;
1366		2056
		2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2058
1367	return if $self->players;	2059	return if $self->players;
1368	return if $self->{path}{user_rel};#d#
1369		2060
1370	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1371		2072
1372	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
		2074
		2075	$self->clear;
1373		2076
1374	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1375		2078
1376	$self->unlink_save;	2079	$self->unlink_save;
1377	$self->destroy;	2080	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1381		2084
1382	sub nuke {	2085	sub nuke {
1383	my ($self) = @_;	2086	my ($self) = @_;
1384		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1388	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1389	}	2101	}
1390		2102
1391	sub customise_for {	2103	=item $maps = cf::map::tmp_maps
1392	my ($map, $ob) = @_;
1393		2104
1394	if ($map->per_player) {	2105	Returns an arrayref with all map paths of currently instantiated and saved
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
1396	}	2111	[
1397		2112	map {
1398	$map	2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
1399	}	2119	}
1400		2120
1401	sub emergency_save {	2121	=item $maps = cf::map::random_maps
1402	local $cf::FREEZE = 1;
1403		2122
1404	warn "enter emergency map save\n";	2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
1405		2125
1406	cf::sync_job {	2126	=cut
1407	warn "begin emergency map save\n";
1408	$_->save for values %cf::MAP;
1409	};
1410		2127
1411	warn "end emergency map save\n";	2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
		2139	=item cf::map::unique_maps
		2140
		2141	Returns an arrayref of paths of all shared maps that have
		2142	instantiated unique items. May block.
		2143
		2144	=cut
		2145
		2146	sub unique_maps() {
		2147	[
		2148	map {
		2149	utf8::decode $_;
		2150	/\.map$/
		2151	? normalise $_
		2152	: ()
		2153	} @{ aio_readdir $UNIQUEDIR or [] }
		2154	]
1412	}	2155	}
1413		2156
1414	package cf;	2157	package cf;
1415		2158
1416	=back	2159	=back
1417		2160
		2161	=head3 cf::object
		2162
		2163	=cut
		2164
		2165	package cf::object;
		2166
		2167	=over 4
		2168
		2169	=item $ob->inv_recursive
		2170
		2171	Returns the inventory of the object _and_ their inventories, recursively.
		2172
		2173	=cut
		2174
		2175	sub inv_recursive_;
		2176	sub inv_recursive_ {
		2177	map { $_, inv_recursive_ $_->inv } @_
		2178	}
		2179
		2180	sub inv_recursive {
		2181	inv_recursive_ inv $_[0]
		2182	}
		2183
		2184	package cf;
		2185
		2186	=back
1418		2187
1419	=head3 cf::object::player	2188	=head3 cf::object::player
1420		2189
1421	=over 4	2190	=over 4
1422		2191
…		…
1436		2205
1437	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1438		2207
1439	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1440	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1441	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1442	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1443	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1444	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1445	}	2233	}
1446		2234
1447	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1448		2236
1449	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1462		2250
1463	=item $player_object->enter_link	2251	=item $player_object->enter_link
1464		2252
1465	Freezes the player and moves him/her to a special map (C<{link}>).	2253	Freezes the player and moves him/her to a special map (C<{link}>).
1466		2254
1467	The player should be reaosnably safe there for short amounts of time. You	2255	The player should be reasonably safe there for short amounts of time. You
1468	I<MUST> call C<leave_link> as soon as possible, though.	2256	I<MUST> call C<leave_link> as soon as possible, though.
1469		2257
		2258	Will never block.
		2259
1470	=item $player_object->leave_link ($map, $x, $y)	2260	=item $player_object->leave_link ($map, $x, $y)
1471		2261
1472	Moves the player out of the specila link map onto the given map. If the	2262	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	2263	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	2264	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	2265	fails, to the emergency map position.
1476		2266
1477	Might block.	2267	Might block.
1478		2268
1479	=cut	2269	=cut
		2270
		2271	sub link_map {
		2272	unless ($LINK_MAP) {
		2273	$LINK_MAP = cf::map::find "{link}"
		2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2275	$LINK_MAP->load;
		2276	}
		2277
		2278	$LINK_MAP
		2279	}
1480		2280
1481	sub cf::object::player::enter_link {	2281	sub cf::object::player::enter_link {
1482	my ($self) = @_;	2282	my ($self) = @_;
1483		2283
1484	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1485		2285
1486	return if $self->map == $LINK_MAP;	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		2287
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1490		2290
1491	$self->enter_map ($LINK_MAP, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	2292	}
1493		2293
1494	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1496		2298
1497	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1498		2300
1499	unless ($map) {	2301	unless ($map) {
1500	# restore original map position	2302	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	2303	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	2304	$map = cf::map::find $map;
1503		2305
1504	unless ($map) {	2306	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	2307	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	2308	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	2309	or die "FATAL: cannot load emergency map\n";
1508	}	2310	}
1509	}	2311	}
1510		2312
1511	($x, $y) = (-1, -1)	2313	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1517		2319
1518	$map->load;	2320	$map->load;
		2321	$map->load_neighbours;
1519		2322
		2323	return unless $self->contr->active;
1520	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1521	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1522	}	2328	}
1523		2329
1524	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1525	on_logout => sub {
1526	my ($pl) = @_;
1527		2331
1528	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1529	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1530	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1531	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1532	};	2336	be called at the end of this process.
1533	}
1534	},
1535	on_login => sub {
1536	my ($pl) = @_;
1537		2337
1538	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;
1542	Coro::async {
1543	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn
1545	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;
1547	};
1548	}
1549	},
1550	);
1551
1552	=item $player_object->goto_map ($path, $x, $y)
1553
1554	=cut	2338	=cut
1555		2339
		2340	our $GOTOGEN;
		2341
1556	sub cf::object::player::goto_map {	2342	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1558		2347
1559	$self->enter_link;	2348	$self->enter_link;
1560		2349
1561	(Coro::async {	2350	(async {
1562	$path = new cf::path $path;	2351	my $map = eval {
1563
1564	my $map = cf::map::find_map $path->as_string;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1565	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1566		2356	$map = $check->($map) if $check && $map;
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1568	# if $map;
1569
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1571		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1572	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1573	})->prio (1);	2375	})->prio (1);
1574	}	2376	}
1575		2377
1576	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1577		2379
…		…
1579		2381
1580	sub parse_random_map_params {	2382	sub parse_random_map_params {
1581	my ($spec) = @_;	2383	my ($spec) = @_;
1582		2384
1583	my $rmp = { # defaults	2385	my $rmp = { # defaults
1584	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1586	};	2390	};
1587		2391
1588	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1590		2394
…		…
1594	$rmp	2398	$rmp
1595	}	2399	}
1596		2400
1597	sub prepare_random_map {	2401	sub prepare_random_map {
1598	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		2405
1600	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	2408	# that depends on the exit object
1603		2409
1604	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1605		2411
1606	if ($exit->map) {	2412	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1611	}	2417	}
1612		2418
1613	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1614		2420
1615	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1617		2424
1618	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1619	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1620		2429
1621	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	2431	$exit->msg (undef);
1623	}	2432	}
1624	}	2433	}
…		…
1626	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1628		2437
1629	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1630		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1631	$self->enter_link;	2451	$self->enter_link;
1632		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
		2456
1633	(Coro::async {	2457	(async {
		2458	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	2459	unless (eval {
1635		2460	$self->goto ($slaying, $hp, $sp);
1636	prepare_random_map $exit
1637	if $exit->slaying eq "/!";
1638
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1641		2461
1642	1;	2462	1;
1643	}) {	2463	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1646	. "Please report this to the dungeon master",	2466	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1648		2468
1649	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	2470	$self->leave_link;
1651	}	2471	}
1652	})->prio (1);	2472	})->prio (1);
…		…
1665		2485
1666	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1667	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1668		2488
1669	utf8::encode $text;	2489	utf8::encode $text;
1670	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1671	}	2491	}
1672		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1673		2589
1674	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1675		2591
1676	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1677	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1678	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1679		2595
1680	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1681	reliable at some point in the future.	2597	become reliable at some point in the future.
1682		2598
1683	=cut	2599	=cut
1684		2600
1685	sub cf::client::query {	2601	sub cf::client::query {
1686	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1694	utf8::encode $text;	2610	utf8::encode $text;
1695	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1696		2612
1697	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1698	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1699	}	2617	}
1700		2618
1701	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1702	on_reply => sub {	2625	on_reply => sub {
1703	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1704		2627
1705	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1706	# get handled first	2629	# get handled first
1707	my $queue = delete $ns->{query_queue};	2630	my $queue = delete $ns->{query_queue}
		2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		2632
1709	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1710		2635
1711	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1712		2637
1713	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1714	if (@$queue) {	2639	if (@$queue) {
…		…
1716	} else {	2641	} else {
1717	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1718	}	2643	}
1719	}	2644	}
1720	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1721	);	2672	);
1722		2673
1723	=item $client->coro (\&cb)	2674	=item $client->async (\&cb)
1724		2675
1725	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	2677	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	2678	or loss of connection).
1728		2679
1729	=cut	2680	=cut
1730		2681
1731	sub cf::client::coro {	2682	sub cf::client::async {
1732	my ($self, $cb) = @_;	2683	my ($self, $cb) = @_;
1733		2684
1734	my $coro; $coro = async {	2685	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		2686
1741	$coro->on_destroy (sub {	2687	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	2688	delete $self->{_coro}{$coro+0};
1743	});	2689	});
1744		2690
…		…
1771	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1772	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1773		2719
1774	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
1775		2721
1776	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
1777		2727
1778	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
1779		2729
1780	=pod	2730	=pod
1781		2731
1782	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
1783		2733
1784	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
1785	cf::object::player player	2738	cf::object::player
1786	cf::player peaceful	2739	player
1787	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
1788		2746
1789	=cut	2747	=cut
1790		2748
1791	for (	2749	for (
1792	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
1793	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
1794	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
1795	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
1796	) {	2756	) {
1797	no strict 'refs';	2757	no strict 'refs';
…		…
1868	=back	2828	=back
1869		2829
1870	=cut	2830	=cut
1871		2831
1872	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
1873		2834
1874	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
1875		2837
1876	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1877	currently store anything that can be serialised using Storable, which
1878	excludes objects.
1879		2839
1880	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
1881	using it, it should be unique.
1882		2841
1883	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
1884		2845
1885	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
1886		2847
1887	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
1888	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
1889	C<cf::db_sync>.
1890		2850
1891	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
1892		2852	$facedata->{resource}{"res/exp_table"} = {
1893	Returns a single value from the database	2853	type => FT_RSRC,
1894		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1895	=item cf::db_put $family => $hashref
1896
1897	Stores the given family hashref into the database. Updates are delayed, if
1898	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1899
1900	=item cf::db_put $family => $key => $value
1901
1902	Stores the given C<$value> in the family hash. Updates are delayed, if you
1903	want the data to be synced to disk immediately, use C<cf::db_sync>.
1904
1905	=item cf::db_dirty
1906
1907	Marks the database as dirty, to be updated at a later time.
1908
1909	=item cf::db_sync
1910
1911	Immediately write the database to disk I<if it is dirty>.
1912
1913	=cut
1914
1915	our $DB;
1916
1917	{
1918	my $path = cf::localdir . "/database.pst";
1919
1920	sub db_load() {
1921	$DB = stat $path ? Storable::retrieve $path : { };
1922	}
1923
1924	my $pid;
1925
1926	sub db_save() {
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	2855	};
		2856	cf::cede_to_tick;
1946		2857
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
1951		2860
1952	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
1955	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
1956	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1957		2867
1958	sub db_put($$;$) {	2868	cf::cede_to_tick;
1959	if (@_ >= 3) {
1960	$DB->{$_[0]}{$_[1]} = $_[2];
1961	} else {
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2869	}
1972	);
1973	}
1974		2870
1975	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
1977		2881
1978	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3005	or return;
1981		3006
1982	local $/;	3007	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
		3009
		3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3011
		3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3014
		3015	if (exists $CFG{mlockall}) {
		3016	eval {
		3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3018	and die "WARNING: m(un)lockall failed: $!\n";
		3019	};
		3020	warn $@ if $@;
		3021	}
1984	}	3022	}
1985		3023
1986	sub main {	3024	sub main {
1987	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	3028	(async {
1991	Event::one_event;	3029	Event::one_event;
1992	})->();	3030	})->prio (Coro::PRIO_MAX);
1993	};	3031	};
1994		3032
1995	cfg_load;	3033	reload_config;
1996	db_load;	3034	db_init;
1997	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
1998	Event::loop;	3038	Event::loop;
1999	}	3039	}
2000		3040
2001	#############################################################################	3041	#############################################################################
2002	# initialisation	3042	# initialisation and cleanup
2003		3043
		3044	# install some emergency cleanup handlers
		3045	BEGIN {
		3046	for my $signal (qw(INT HUP TERM)) {
		3047	Event->signal (
		3048	reentrant => 0,
		3049	data => WF_AUTOCANCEL,
		3050	signal => $signal,
		3051	prio => 0,
		3052	cb => sub {
		3053	cf::cleanup "SIG$signal";
		3054	},
		3055	);
		3056	}
		3057	}
		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
		3097	sub emergency_save() {
		3098	my $freeze_guard = cf::freeze_mainloop;
		3099
		3100	warn "enter emergency perl save\n";
		3101
		3102	cf::sync_job {
		3103	# use a peculiar iteration method to avoid tripping on perl
		3104	# refcount bugs in for. also avoids problems with players
		3105	# and maps saved/destroyed asynchronously.
		3106	warn "begin emergency player save\n";
		3107	for my $login (keys %cf::PLAYER) {
		3108	my $pl = $cf::PLAYER{$login} or next;
		3109	$pl->valid or next;
		3110	$pl->save;
		3111	}
		3112	warn "end emergency player save\n";
		3113
		3114	warn "begin emergency map save\n";
		3115	for my $path (keys %cf::MAP) {
		3116	my $map = $cf::MAP{$path} or next;
		3117	$map->valid or next;
		3118	$map->save;
		3119	}
		3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
		3125	};
		3126
		3127	warn "leave emergency perl save\n";
		3128	}
		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2004	sub reload() {	3137	sub do_reload_perl() {
2005	# can/must only be called in main	3138	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2008	return;	3141	return;
2009	}	3142	}
2010		3143
2011	warn "reloading...";	3144	warn "reloading...";
2012		3145
2013	local $FREEZE = 1;	3146	warn "entering sync_job";
		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2015		3152
2016	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2017	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2018		3157
2019	# cancel all watchers	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	3161	}
2023		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2024	# cancel all extension coros	3174	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	3176	%EXT_CORO = ();
2027		3177
2028	# unload all extensions	3178	warn "removing commands";
2029	for (@exts) {	3179	%COMMAND = ();
		3180
		3181	warn "removing ext/exti commands";
		3182	%EXTCMD = ();
		3183	%EXTICMD = ();
		3184
		3185	warn "unloading/nuking all extensions";
		3186	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	3187	warn "... unloading $pkg";
2031	unload_extension $_;	3188
		3189	if (my $cb = $pkg->can ("unload")) {
		3190	eval {
		3191	$cb->($pkg);
		3192	1
		3193	} or warn "$pkg unloaded, but with errors: $@";
2032	}	3194	}
2033		3195
		3196	warn "... nuking $pkg";
		3197	Symbol::delete_package $pkg;
		3198	}
		3199
2034	# unload all modules loaded from $LIBDIR	3200	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		3203
2038	warn "removing <$k>";	3204	warn "... unloading $k";
2039	delete $INC{$k};	3205	delete $INC{$k};
2040		3206
2041	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2043		3209
…		…
2046	}	3212	}
2047		3213
2048	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2049	}	3215	}
2050		3216
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	3217	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3220
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	3221	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2064		3224
2065	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3226	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2068		3228
2069	# reload cf.pm	3229	warn "unload completed, starting to reload now";
		3230
2070	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2071	require cf;	3232	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		3234
2074	# load config and database again	3235	warn "loading config and database again";
2075	cf::cfg_load;	3236	cf::reload_config;
2076	cf::db_load;
2077		3237
2078	# load extensions
2079	warn "load extensions";	3238	warn "loading extensions";
2080	cf::load_extensions;	3239	cf::load_extensions;
2081		3240
2082	# reattach attachments to objects	3241	warn "reattaching attachments to objects/players";
2083	warn "reattach";	3242	_global_reattach; # objects, sockets
2084	_global_reattach;	3243	warn "reattaching attachments to maps";
2085	};	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2086		3247
2087	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2088	warn $@;	3252	warn $@;
2089	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2090	exit 1;	3254	exit 1;
2091	}	3255	};
2092		3256
2093	warn "reloaded successfully";	3257	warn "reloaded";
2094	};	3258	};
2095		3259
2096	#############################################################################	3260	our $RELOAD_WATCHER; # used only during reload
2097		3261
2098	unless ($LINK_MAP) {	3262	sub reload_perl() {
2099	$LINK_MAP = cf::map::new;	3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
2100		3265
2101	$LINK_MAP->width (41);	3266	$RELOAD_WATCHER ||= Event->timer (
2102	$LINK_MAP->height (41);	3267	reentrant => 0,
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,	3268	after => 0,
		3269	data => WF_AUTOCANCEL,
2111	cb => sub {	3270	cb => sub {
2112	$_[0]->w->cancel;	3271	do_reload_perl;
2113		3272	undef $RELOAD_WATCHER;
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});	3273	},
2132		3274	);
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3275	}
2138
2139	register "<global>", __PACKAGE__;
2140		3276
2141	register_command "reload" => sub {	3277	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2143		3279
2144	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2148	}	3283	}
2149	};	3284	};
2150		3285
2151	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2152		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2153	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2155	prio => 0,	3316	prio => 0,
2156	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2158	cb => sub {	3319	cb => sub {
2159	unless ($FREEZE) {	3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
		3326	$NOW = $tick_start = Event::time;
		3327
2160	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2162	}	3351	};
2163		3352
		3353	$RUNTIME += $TICK;
2164	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2165		3355
		3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2166	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2168		3378
2169	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2171	},	3388	},
2172	);	3389	);
2173		3390
		3391	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	3392	BDB::max_poll_time $TICK * 0.1;
2175		3393	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	3394	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	3395	fd => BDB::poll_fileno,
2178	poll => 'r',	3396	poll => 'r',
2179	prio => 5,	3397	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	3398	data => WF_AUTOCANCEL,
2186	after => 0,	3399	cb => \&BDB::poll_cb,
2187	interval => 10,	3400	);
2188	cb => sub {	3401	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	3402
2190	write_runtime	3403	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	3437	};
2193	},	3438	}
2194	);	3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
		3445	IO::AIO::max_poll_time $TICK * 0.1;
		3446	$AIO_POLL_WATCHER = Event->io (
		3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
		3449	fd => IO::AIO::poll_fileno,
		3450	poll => 'r',
		3451	prio => 6,
		3452	cb => \&IO::AIO::poll_cb,
		3453	);
		3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2195		3496
2196	END { cf::emergency_save }	3497	END { cf::emergency_save }
2197		3498
2198	1	3499	1
2199		3500

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