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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
26	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		44
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
39		47
40	$Coro::main->prio (Coro::PRIO_MAX); # 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
41		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
42	our %COMMAND = ();	52	our %COMMAND = ();
43	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
44		54
45	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
49		60
50	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
51	our @EVENT;	62	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		63
54	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(!)
55	our $TICK_WATCHER;	77	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	80	our $NEXT_TICK;
59	our $NOW;	81	our $NOW;
…		…
65	our %CFG;	87	our %CFG;
66		88
67	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	90	our $RUNTIME;
69		91
70	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		95
79	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		102
82	binmode STDOUT;	103	binmode STDOUT;
83	binmode STDERR;	104	binmode STDERR;
84		105
85	# read virtual server time, if available	106	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
90	}	111	}
91		112
92	mkdir cf::localdir;	113	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		115
99	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
100		117
101	sub cf::map::normalise;	118	sub cf::map::normalise;
102		119
…		…
113	=item $cf::RUNTIME	130	=item $cf::RUNTIME
114		131
115	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
116	every server tick.	133	every server tick.
117		134
118	=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
119		138
120	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		143
123	=item $cf::NOW	144	=item $cf::NOW
124		145
125	The time of the last (current) server tick.	146	The time of the last (current) server tick.
126		147
127	=item $cf::TICK	148	=item $cf::TICK
128		149
129	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.
130		161
131	=item %cf::CFG	162	=item %cf::CFG
132		163
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	165	from wherever your confdir points to.
135		166
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		168
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	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.
142		178
143	=back	179	=back
144		180
145	=cut	181	=cut
146		182
147	BEGIN {	183	BEGIN {
148	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	185	my $msg = join "", @_;
150	utf8::encode $msg;
151		186
152	$msg .= "\n"	187	$msg .= "\n"
153	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
154		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
155	LOG llevError, $msg;	193	LOG llevError, $msg;
156	};	194	};
157	}	195	}
158		196
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		204
166	# 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
167	# within the Safe compartment.	206	# within the Safe compartment.
168	for my $pkg (qw(	207	for my $pkg (qw(
169	cf::global cf::attachable	208	cf::global cf::attachable
…		…
177	}	216	}
178		217
179	$Event::DIED = sub {	218	$Event::DIED = sub {
180	warn "error in event callback: @_";	219	warn "error in event callback: @_";
181	};	220	};
		221
		222	#############################################################################
182		223
183	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
184		225
185	=over 4	226	=over 4
186		227
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	247	$d
207	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
208	}	249	}
209		250
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
213		252
214	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
215		254
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
224		256
225	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
226		258
227	=cut	259	=cut
228		260
229	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
231	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	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
241	a Coro::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,
242	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
248	=cut	287	=cut
249		288
250	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
251		291
252	sub lock_wait($) {	292	sub lock_wait($) {
253	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
254		299
255	# wait for lock, if any	300	# wait for lock, if any
256	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	303	Coro::schedule;
…		…
264		309
265	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
266	lock_wait $key;	311	lock_wait $key;
267		312
268	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
269		315
270	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
273	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
274	}	327	}
275		328
276	sub freeze_mainloop {	329	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
278		331
…		…
281	};	334	};
282	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
283	$guard	336	$guard
284	}	337	}
285		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
286	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
287		396
288	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290	thing you are allowed to do is call C<prio> on it.	399	thing you are allowed to do is call C<prio> on it.
…		…
293		402
294	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
295		404
296	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
297		406
298	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
301		411
302	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
305	fast or be very important.	415	fast or be very important.
…		…
308		418
309	sub sync_job(&) {	419	sub sync_job(&) {
310	my ($job) = @_;	420	my ($job) = @_;
311		421
312	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
313	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
315		427
316	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
328		440
329	while ($busy) {	441	while ($busy) {
330	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
331	}	443	}
332		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
333	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
334	} else {	453	} else {
335	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
336		455
337	$job->()	456	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
357		476
358	$coro	477	$coro
359	}	478	}
360		479
361	sub write_runtime {	480	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		481
364	my $runtime = cf::localdir . "/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
365		486
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
367	or return;
368		488
369	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		491
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
374	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
375		495
376	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	497	reset_signals;
378	and return;	498	&$cb
		499	}, @args;
379		500
380	close $fh	501	wantarray ? @res : $res[-1]
381	or return;	502	}
382		503
383	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
384	and return;
385		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
386	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	629	}
388		630
389	=back	631	=back
390		632
391	=cut	633	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
400		642
401	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	645	Crossfire TRT).
404		646
405	=over 4	647	=over 4
406		648
407	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
408		650
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
572		814
573	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		819
578	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	821	my $pkg = shift @arg;
580		822
581	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
611	}	853	}
612		854
613	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
614	} else {	856	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	858	}
617		859
618	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
619	}	861	}
620		862
…		…
622	if (ref $_[0]) {	864	if (ref $_[0]) {
623	_object_attach @_;	865	_object_attach @_;
624	} else {	866	} else {
625	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
626	}	868	}
		869	_recalc_want;
627	};	870	};
628		871
629	# all those should be optimised	872	# all those should be optimised
630	sub cf::attachable::detach {	873	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
635	reattach ($obj);	878	reattach ($obj);
636	} else {	879	} else {
637	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
638	}	881	}
		882	_recalc_want;
639	};	883	};
640		884
641	sub cf::attachable::attached {	885	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
643		887
…		…
658	";	902	";
659	die if $@;	903	die if $@;
660	}	904	}
661		905
662	our $override;	906	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		908
665	sub override {	909	sub override {
666	$override = 1;	910	$override = 1;
667	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
668	}	912	}
669		913
670	sub do_invoke {	914	sub do_invoke {
671	my $event = shift;	915	my $event = shift;
672	my $callbacks = shift;	916	my $callbacks = shift;
673		917
674	@invoke_results = ();	918	@INVOKE_RESULTS = ();
675		919
676	local $override;	920	local $override;
677		921
678	for (@$callbacks) {	922	for (@$callbacks) {
679	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
696		940
697	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
698		942
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		946
703	=back	947	=back
704		948
705	=cut	949	=cut
706		950
707	#############################################################################	951	#############################################################################
708	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
709		964
710	sub reattach {	965	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	967	my ($obj) = @_;
713		968
…		…
757	},	1012	},
758	);	1013	);
759		1014
760	sub object_freezer_save {	1015	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
762		1019
763	sync_job {	1020	sync_job {
764	if (length $$rdata) {	1021	if (length $$rdata) {
765	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
790	}	1047	}
791	} else {	1048	} else {
792	aio_unlink $filename;	1049	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
794	}	1051	}
795	}	1052	};
		1053
		1054	undef $guard;
796	}	1055	}
797		1056
798	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
800		1059
…		…
805		1064
806	sub object_thawer_load {	1065	sub object_thawer_load {
807	my ($filename) = @_;	1066	my ($filename) = @_;
808		1067
809	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
810		1071
811	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
812	or return;	1073	or return;
813		1074
814	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
816	or return;	1077	or return;
		1078
		1079	undef $guard;
817	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1081	}
819		1082
820	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
822	return ($data, $av);	1086	($data, $av)
823	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
824		1094
825	#############################################################################	1095	#############################################################################
826	# command handling &c	1096	# command handling &c
827		1097
828	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1112	}
843		1113
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1115
846	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
847		1121
848	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
849	called.	1123	called.
850		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
851	=cut	1136	=cut
852		1137
853	sub register_extcmd {	1138	sub register_extcmd {
854	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
855		1140
856	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
857	}	1148	}
858		1149
859	cf::player->attach (	1150	cf::player->attach (
860	on_command => sub {	1151	on_command => sub {
861	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1161	cf::override;
871	},	1162	},
872	on_extcmd => sub {	1163	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
874		1165
875	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1167
877	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
883	} else {	1183	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1185	}
886		1186
887	cf::override;	1187	cf::override;
888	},	1188	},
889	);	1189	);
890		1190
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
926	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1196	next unless -r $path;
928	eval {	1197
929	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
930	1	1255	}
931	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
932	}	1261	};
933	}	1262	}
934		1263
935	#############################################################################	1264	#############################################################################
936		1265
		1266	=back
		1267
937	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
938		1269
939	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
940		1271
941	=cut	1272	=cut
…		…
946		1277
947	=head3 cf::player	1278	=head3 cf::player
948		1279
949	=over 4	1280	=over 4
950		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
951	=item cf::player::find $login	1296	=item cf::player::find $login
952		1297
953	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
954		1299
955	=cut	1300	=cut
956		1301
957	sub playerdir($) {	1302	sub playerdir($) {
958	cf::localdir	1303	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1305	}
964		1306
965	sub path($) {	1307	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1309
968	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
969	}	1311	}
970		1312
971	sub find_active($) {	1313	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1328	my $login = $_[0];
987		1329
988	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
989		1331
990	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
992	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
994	}	1349	}
995	}	1350	}
996	}	1351	}
997		1352
…		…
1007		1362
1008	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1010		1365
1011	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1012	Coro::cede;	1367	cf::cede_to_tick;
1013	}	1368	}
1014		1369
1015	sub new($) {	1370	sub new($) {
1016	my ($login) = @_;	1371	my ($login) = @_;
1017		1372
…		…
1021	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1022		1377
1023	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1024		1379
1025	$self	1380	$self
		1381	}
		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
1026	}	1391	}
1027		1392
1028	=item $pl->quit_character	1393	=item $pl->quit_character
1029		1394
1030	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1080		1445
1081	=cut	1446	=cut
1082		1447
1083	sub list_logins {	1448	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1450	or return [];
1086		1451
1087	my @logins;	1452	my @logins;
1088		1453
1089	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1093		1463
1094	utf8::decode $login;	1464	utf8::decode $login;
1095	push @logins, $login;	1465	push @logins, $login;
1096	}	1466	}
1097		1467
…		…
1124	}	1494	}
1125		1495
1126	\@paths	1496	\@paths
1127	}	1497	}
1128		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1130		1551
1131	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1132		1553
1133	=cut	1554	=cut
1134		1555
1135	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1137		1558
1138	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1560	}
1142		1561
1143	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1144		1602
1145	=back	1603	=back
1146
1147		1604
1148	=head3 cf::map	1605	=head3 cf::map
1149		1606
1150	=over 4	1607	=over 4
1151		1608
…		…
1206	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1207		1664
1208	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1209	local $self->{path};	1666	local $self->{path};
1210	local $self->{load_path};	1667	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1668
1214	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1215	}	1670	}
1216		1671
1217	sub normalise {	1672	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1265	return $self;	1720	return $self;
1266	}	1721	}
1267	}	1722	}
1268		1723
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1725	()
1271	}	1726	}
1272		1727
1273	sub init {	1728	sub init {
1274	my ($self) = @_;	1729	my ($self) = @_;
…		…
1289		1744
1290	# the original (read-only) location	1745	# the original (read-only) location
1291	sub load_path {	1746	sub load_path {
1292	my ($self) = @_;	1747	my ($self) = @_;
1293		1748
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1295	}	1750	}
1296		1751
1297	# the temporary/swap location	1752	# the temporary/swap location
1298	sub save_path {	1753	sub save_path {
1299	my ($self) = @_;	1754	my ($self) = @_;
1300		1755
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1303	}	1758	}
1304		1759
1305	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1306	sub uniq_path {	1761	sub uniq_path {
1307	my ($self) = @_;	1762	my ($self) = @_;
1308		1763
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1311	}	1766	}
1312		1767
1313	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1314	# all maps in C++...	1769	# all maps in C++...
1315	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1317		1772
1318	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1320	}	1775	}
1321		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1322	sub unlink_save {	1785	sub unlink_save {
1323	my ($self) = @_;	1786	my ($self) = @_;
1324		1787
1325	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1792
1330	sub load_header_from($) {	1793	sub load_header_from($) {
1331	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1332		1795
1333	utf8::encode $path;	1796	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1339		1805
1340	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1341		1807
1342	1	1808	1
1343	}	1809	}
…		…
1382	$self->load_header_orig	1848	$self->load_header_orig
1383	or return;	1849	or return;
1384	$self->prepare_orig;	1850	$self->prepare_orig;
1385	}	1851	}
1386		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
1387	1	1859	1
1388	}	1860	}
1389		1861
1390	sub find;	1862	sub find;
1391	sub find {	1863	sub find {
1392	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1393		1865
1394	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1395		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1397		1870
1398	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1400	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1401	or return;	1876	or return;
1402		1877
1403	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1404		1879
1405	$map->load_header	1880	$map->load_header
1406	or return;	1881	or return;
1407		1882
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1411	$map->reset;	1888	$map->reset;
1412	undef $guard;
1413	return find $path;	1889	return find $path;
1414	}	1890	}
1415		1891
1416	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1417	}	1893	}
…		…
1424	my ($self) = @_;	1900	my ($self) = @_;
1425		1901
1426	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1427		1903
1428	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1430		1908
		1909	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1911
1433	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1434		1913
1435	$self->alloc;	1914	$self->alloc;
1436		1915
1437	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1438		1918
1439	$self->_load_objects ($self->{load_path}, 1)	1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1440	or return;	1922	or return;
1441		1923
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1925	if delete $self->{load_original};
1444		1926
1445	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1928	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	1931	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1450	}	1935	}
1451	}	1936	}
1452		1937
1453	Coro::cede;	1938	$f->resolve_delayed_derefs;
1454		1939
		1940	cf::cede_to_tick;
1455	# now do the right thing for maps	1941	# now do the right thing for maps
1456	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1944	unless $self->difficulty;
1466	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1467	$self->activate;	1954	$self->activate;
		1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
		1960	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1961	}
1469		1962
1470	$self->post_load;	1963	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1964	}
1474		1965
1475	sub customise_for {	1966	sub customise_for {
1476	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1477		1968
1478	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1970	if $self->per_player;
1480		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1481	$self	1975	$self
1482	}	1976	}
1483		1977
1484	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1979	sub load_neighbours {
1486	my ($map) = @_;	1980	my ($map) = @_;
1487		1981
1488	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1489		1983
1490	for (0 .. 3) {	1984	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1492	or next;	1986	or next;
1493	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1494	or next;	1988	or next;
1495	$neigh->load;	1989	$neigh->load;
1496		1990
		1991	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	1994	}
1500		1995
1501	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1503	or next;	1999	or next;
1504	$neigh->load;	2000	$neigh->load;
1505	}	2001	}
1506	}	2002	}
1507		2003
…		…
1512	}	2008	}
1513		2009
1514	sub do_load_sync {	2010	sub do_load_sync {
1515	my ($map) = @_;	2011	my ($map) = @_;
1516		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1517	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1518	}	2017	}
1519		2018
1520	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1522		2021
1523	sub find_async {	2022	sub find_async {
1524	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1525		2024
1526	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1527		2026
1528	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2029	}
1531		2030
1532	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1533	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2036	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2037	$map->load if $v;
		2038	}
1539		2039
1540	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1541	}	2041	}
1542	}	2042	}
1543	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1544	};	2044	};
1545	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2048	}
1549		2049
1550	sub save {	2050	sub save {
1551	my ($self) = @_;	2051	my ($self) = @_;
1552		2052
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2054
1555	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1556		2056
1557	return unless $self->dirty;	2057	return unless $self->dirty;
1558		2058
…		…
1581	my ($self) = @_;	2081	my ($self) = @_;
1582		2082
1583	# save first because save cedes	2083	# save first because save cedes
1584	$self->save;	2084	$self->save;
1585		2085
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2087
1588	return if $self->players;	2088	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2090	return if $self->{deny_save};
1591		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2096	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2097	}
1595		2098
1596	sub reset_at {	2099	sub reset_at {
1597	my ($self) = @_;	2100	my ($self) = @_;
1598		2101
1599	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1602		2104
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2107
…		…
1616	my ($self) = @_;	2118	my ($self) = @_;
1617		2119
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2121
1620	return if $self->players;	2122	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2123
1623	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1624		2125
1625	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1626		2127
1627	# need to save uniques path	2128	# need to save uniques path
1628	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2133	if $uniq;
1633	}	2134	}
1634		2135
1635	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1636		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2140	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2141
1641	$self->unlink_save;	2142	$self->unlink_save;
1642	$self->destroy;	2143	$self->destroy;
1643	}	2144	}
1644		2145
1645	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1646		2147
1647	sub nuke {	2148	sub nuke {
1648	my ($self) = @_;	2149	my ($self) = @_;
1649		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1650	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1651		2155
1652	$self->unlink_save;	2156	$self->unlink_save;
1653		2157
1654	bless $self, "cf::map";	2158	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2163
1660	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1661		2166
1662	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1663	}	2204	}
1664		2205
1665	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1666		2207
1667	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2209	instantiated unique items. May block.
1669		2210
1670	=cut	2211	=cut
1671		2212
1672	sub unique_maps() {	2213	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1674	or return;	2215	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2216	utf8::decode $_;
1680	next if /\.pst$/;	2217	/\.map$/
1681	next unless /^$PATH_SEP/o;	2218	? normalise $_
1682		2219	: ()
1683	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2221	]
1685
1686	\@paths
1687	}	2222	}
1688		2223
1689	package cf;	2224	package cf;
1690		2225
1691	=back	2226	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1710	}	2245	}
1711		2246
1712	sub inv_recursive {	2247	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1714	}	2280	}
1715		2281
1716	package cf;	2282	package cf;
1717		2283
1718	=back	2284	=back
…		…
1737		2303
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2305
1740	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1742	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1745	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1746	}	2331	}
1747		2332
1748	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1749		2334
1750	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1798		2383
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2385
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1803		2388
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2390	}
1806		2391
1807	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1809		2396
1810	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1811		2398
1812	unless ($map) {	2399	unless ($map) {
1813	# restore original map position	2400	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1830		2417
1831	$map->load;	2418	$map->load;
1832	$map->load_diag;	2419	$map->load_neighbours;
1833		2420
1834	return unless $self->contr->active;	2421	return unless $self->contr->active;
1835	$self->activate_recursive;	2422	$self->activate_recursive;
1836		2423
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1839	}	2426	}
1840		2427
1841	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2429
1845	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1849	};	2434	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2435
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1876		2439
1877	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2445
1880	$self->enter_link;	2446	$self->enter_link;
1881		2447
1882	(async {	2448	(async {
1883	my $map = eval {	2449	my $map = eval {
1884	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1886	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2465	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1891	})->prio (1);	2473	})->prio (1);
1892	}	2474	}
1893		2475
1894	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1895		2477
…		…
1934		2516
1935	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1936		2518
1937	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1940		2522
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2525	undef $fh;
1944	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1953		2535
1954	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1955		2537
1956	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1959	}	2543	}
1960		2544
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1964		2548
1965	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1966		2554
1967	(async {	2555	(async {
1968	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2557	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1971		2559
1972	1;	2560	1;
1973	}) {	2561	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2566
1979	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2568	$self->leave_link;
1981	}	2569	}
1982	})->prio (1);	2570	})->prio (1);
…		…
1998		2586
1999	utf8::encode $text;	2587	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2589	}
2002		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
2003		2706
2004	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2005		2708
2006	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2712
2010	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2714	become reliable at some point in the future.
2012		2715
2013	=cut	2716	=cut
2014		2717
2015	sub cf::client::query {	2718	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2727	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2729
2027	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2029	}	2734	}
2030		2735
2031	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2032	on_reply => sub {	2742	on_reply => sub {
2033	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2034		2744
2035	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2036	# get handled first	2746	# get handled first
…		…
2048	} else {	2758	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2760	}
2051	}	2761	}
2052	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2053	);	2789	);
2054		2790
2055	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2056		2792
2057	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2100		2836
2101	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2102		2838
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2104		2844
2105	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2106		2846
2107	=pod	2847	=pod
2108		2848
2109	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2110		2850
2111	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2112	cf::object::player player	2855	cf::object::player
2113	cf::player peaceful	2856	player
2114	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2115		2863
2116	=cut	2864	=cut
2117		2865
2118	for (	2866	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2123	) {	2873	) {
2124	no strict 'refs';	2874	no strict 'refs';
…		…
2195	=back	2945	=back
2196		2946
2197	=cut	2947	=cut
2198		2948
2199	#############################################################################	2949	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2950	# the server's init and main functions
2273		2951
2274	sub load_faces {	2952	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2953	my ($path) = @_;
2276		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2960
2277	warn "loading faces from $path\n";	2961	warn "loading facedata from $path\n";
2278		2962
2279	my $faces;	2963	my $facedata;
2280	0 < aio_load $path, $faces	2964	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2965	or die "$path: $!";
2282		2966
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2967	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2968
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2969	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
		2979	{
		2980	my $faces = $facedata->{faceinfo};
		2981
2291	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	Coro::cede;	2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	}
2297		2988
		2989	cf::cede_to_tick;
		2990	}
		2991
2298	while (my ($face, $info) = each %$faces) {	2992	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	2993	next unless $info->{smooth};
2300	my $idx = cf::face::find $face	2994	my $idx = cf::face::find $face
2301	or next;	2995	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {	2996	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304	} else {	2999	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	3001	}
2307	Coro::cede;	3002
		3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
2308	}	3065	}
2309		3066
2310	1	3067	1
2311	}	3068	}
2312		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
2313	sub reload_resources {	3112	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3113	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3114
		3115	reload_regions;
2316	load_faces	3116	reload_facedata;
2317	or die "unable to load faces\n";#d#	3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
2318	}	3122	}
2319		3123
2320	sub init {	3124	sub init {
2321	reload_resources;	3125	reload_resources;
2322	}	3126	}
2323		3127
2324	sub cfg_load {	3128	sub reload_config {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	3130	or return;
2327		3131
2328	local $/;	3132	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2330		3134
…		…
2349	(async {	3153	(async {
2350	Event::one_event;	3154	Event::one_event;
2351	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2352	};	3156	};
2353		3157
2354	cfg_load;	3158	reload_config;
2355	db_init;	3159	db_init;
2356	load_extensions;	3160	load_extensions;
2357		3161
2358	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2359	Event::loop;	3163	Event::loop;
…		…
2375	},	3179	},
2376	);	3180	);
2377	}	3181	}
2378	}	3182	}
2379		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2380	sub emergency_save() {	3222	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2382		3224
2383	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2384		3226
…		…
2415		3257
2416	warn Carp::longmess "post_cleanup backtrace"	3258	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3259	if $make_core;
2418	}	3260	}
2419		3261
2420	sub reload() {	3262	sub do_reload_perl() {
2421	# can/must only be called in main	3263	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2424	return;	3266	return;
2425	}	3267	}
…		…
2459	%EXT_CORO = ();	3301	%EXT_CORO = ();
2460		3302
2461	warn "removing commands";	3303	warn "removing commands";
2462	%COMMAND = ();	3304	%COMMAND = ();
2463		3305
2464	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2465	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2466		3309
2467	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2470		3313
…		…
2500	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3345
2503	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2505		3349
2506	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3351	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2509		3353
…		…
2512	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2513	require cf;	3357	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2515		3359
2516	warn "loading config and database again";	3360	warn "loading config and database again";
2517	cf::cfg_load;	3361	cf::reload_config;
2518		3362
2519	warn "loading extensions";	3363	warn "loading extensions";
2520	cf::load_extensions;	3364	cf::load_extensions;
2521		3365
2522	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
…		…
2524	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3370	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3371	reattach $_ for values %PLAYER;
2528		3372
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	3373	warn "leaving sync_job";
2533		3374
2534	1	3375	1
2535	} or do {	3376	} or do {
2536	warn $@;	3377	warn $@;
…		…
2541	warn "reloaded";	3382	warn "reloaded";
2542	};	3383	};
2543		3384
2544	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2545		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2546	register_command "reload" => sub {	3402	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2548		3404
2549	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2551		3407	async { reload_perl };
2552	# doing reload synchronously and two reloads happen back-to-back,
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);
2564	}	3408	}
2565	};	3409	};
2566		3410
2567	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2568		3412
2569	my $bug_warning = 0;	3413	my $bug_warning = 0;
2570		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2571	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2572	reentrant => 0,	3439	reentrant => 0,
2573	parked => 1,	3440	parked => 1,
2574	prio => 0,	3441	prio => 0,
2575	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2581	return;	3448	return;
2582	}	3449	}
2583		3450
2584	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2585		3452
2586	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2587	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2589		3480
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2593	write_runtime	3484	write_runtime
2594	or warn "ERROR: unable to write runtime file: $!";	3485	or warn "ERROR: unable to write runtime file: $!";
2595	};	3486	};
2596	}	3487	}
2597		3488
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2603		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2604	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606		3503
2607	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2609	},	3513	},
2610	);	3514	);
2611		3515
2612	{	3516	{
2613	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;
…		…
2641		3545
2642	cf::sync_job {	3546	cf::sync_job {
2643	eval {	3547	eval {
2644	BDB::db_env_open	3548	BDB::db_env_open
2645	$DB_ENV,	3549	$DB_ENV,
2646	$BDB_ENV_DIR,	3550	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3553	0666;
2650		3554
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652		3556
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;	3558	$DB_ENV->set_lk_detect;
2655	};	3559	};
2656		3560
…		…
2672	prio => 6,	3576	prio => 6,
2673	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2674	);	3578	);
2675	}	3579	}
2676		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
		3621
2677	END { cf::emergency_save }	3622	END { cf::emergency_save }
2678		3623
2679	1	3624	1
2680		3625

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