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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		98
84	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
87	binmode STDOUT;	106	binmode STDOUT;
88	binmode STDERR;	107	binmode STDERR;
89		108
90	# read virtual server time, if available	109	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
95	}	114	}
96		115
97	mkdir cf::localdir;	116	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		118
104	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
105		120
106	sub cf::map::normalise;	121	sub cf::map::normalise;
107		122
…		…
118	=item $cf::RUNTIME	133	=item $cf::RUNTIME
119		134
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	136	every server tick.
122		137
123	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		141
125	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
127		146
128	=item $cf::NOW	147	=item $cf::NOW
129		148
130	The time of the last (current) server tick.	149	The time of the last (current) server tick.
131		150
132	=item $cf::TICK	151	=item $cf::TICK
133		152
134	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
135		164
136	=item %cf::CFG	165	=item %cf::CFG
137		166
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	168	from wherever your confdir points to.
140		169
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		171
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
147		181
148	=back	182	=back
149		183
150	=cut	184	=cut
151		185
152	BEGIN {	186	BEGIN {
153	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	188	my $msg = join "", @_;
155	utf8::encode $msg;
156		189
157	$msg .= "\n"	190	$msg .= "\n"
158	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		194
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		206
171	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
277	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
278		398
279	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
284		404
285	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
286		406
287	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
288		408
289	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
292		413
293	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
296	fast or be very important.	417	fast or be very important.
…		…
299		420
300	sub sync_job(&) {	421	sub sync_job(&) {
301	my ($job) = @_;	422	my ($job) = @_;
302		423
303	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
304	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
306		429
307	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
319		442
320	while ($busy) {	443	while ($busy) {
321	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
322	}	445	}
323		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
324	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
325	} else {	455	} else {
326	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
327		457
328	$job->()	458	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
348		478
349	$coro	479	$coro
350	}	480	}
351		481
352	sub write_runtime {	482	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		483
355	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
356		488
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
358	or return;
359		490
360	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		493
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
365	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
366		497
367	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	499	reset_signals;
369	and return;	500	&$cb
		501	}, @args;
370		502
371	close $fh	503	wantarray ? @res : $res[-1]
372	or return;	504	}
373		505
374	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
375	and return;
376		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
377	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
378	}	631	}
379		632
380	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
381		634
382	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
402		655
403	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	658	Crossfire TRT).
406		659
407	=over 4	660	=over 4
408		661
409	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
410		663
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
574		827
575	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		832
580	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	834	my $pkg = shift @arg;
582		835
583	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
613	}	866	}
614		867
615	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
616	} else {	869	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	871	}
619		872
620	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
621	}	874	}
622		875
…		…
624	if (ref $_[0]) {	877	if (ref $_[0]) {
625	_object_attach @_;	878	_object_attach @_;
626	} else {	879	} else {
627	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
628	}	881	}
		882	_recalc_want;
629	};	883	};
630		884
631	# all those should be optimised	885	# all those should be optimised
632	sub cf::attachable::detach {	886	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
637	reattach ($obj);	891	reattach ($obj);
638	} else {	892	} else {
639	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
640	}	894	}
		895	_recalc_want;
641	};	896	};
642		897
643	sub cf::attachable::attached {	898	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
645		900
…		…
660	";	915	";
661	die if $@;	916	die if $@;
662	}	917	}
663		918
664	our $override;	919	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		921
667	sub override {	922	sub override {
668	$override = 1;	923	$override = 1;
669	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
670	}	925	}
671		926
672	sub do_invoke {	927	sub do_invoke {
673	my $event = shift;	928	my $event = shift;
674	my $callbacks = shift;	929	my $callbacks = shift;
675		930
676	@invoke_results = ();	931	@INVOKE_RESULTS = ();
677		932
678	local $override;	933	local $override;
679		934
680	for (@$callbacks) {	935	for (@$callbacks) {
681	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
698		953
699	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
700		955
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		959
705	=back	960	=back
706		961
707	=cut	962	=cut
708		963
709	#############################################################################	964	#############################################################################
710	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
711		977
712	sub reattach {	978	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	980	my ($obj) = @_;
715		981
…		…
762	sub object_freezer_save {	1028	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
764		1030
765	sync_job {	1031	sync_job {
766	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
769		1036
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
792	}	1059	}
793	} else {	1060	} else {
794	aio_unlink $filename;	1061	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
796	}	1063	}
797	}	1064	};
798	}	1065	}
799		1066
800	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
802		1069
…		…
814	or return;	1081	or return;
815		1082
816	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
818	or return;	1085	or return;
		1086
819	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1088	}
821		1089
		1090	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
824	return ($data, $av);	1094	($data, $av)
825	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
826		1102
827	#############################################################################	1103	#############################################################################
828	# command handling &c	1104	# command handling &c
829		1105
830	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1120	}
845		1121
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1123
848	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
849		1129
850	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
851	called.	1131	called.
852		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
853	=cut	1144	=cut
854		1145
855	sub register_extcmd {	1146	sub register_extcmd {
856	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
857		1148
858	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
859	}	1156	}
860		1157
861	cf::player->attach (	1158	cf::player->attach (
862	on_command => sub {	1159	on_command => sub {
863	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1169	cf::override;
873	},	1170	},
874	on_extcmd => sub {	1171	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
876		1173
877	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1175
879	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
885	} else {	1191	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1193	}
888		1194
889	cf::override;	1195	cf::override;
890	},	1196	},
891	);	1197	);
892		1198
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
928	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1204	next unless -r $path;
930	eval {	1205
931	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
932	1	1263	}
933	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
934	}	1269	};
935	}	1270	}
936		1271
937	#############################################################################	1272	#############################################################################
938		1273
		1274	=back
		1275
939	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
940		1277
941	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
942		1279
943	=cut	1280	=cut
…		…
948		1285
949	=head3 cf::player	1286	=head3 cf::player
950		1287
951	=over 4	1288	=over 4
952		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
953	=item cf::player::find $login	1304	=item cf::player::find $login
954		1305
955	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
956		1307
957	=cut	1308	=cut
958		1309
959	sub playerdir($) {	1310	sub playerdir($) {
960	cf::localdir	1311	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1313	}
966		1314
967	sub path($) {	1315	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
999		1347
1000	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1003	}	1356	}
1004	}	1357	}
1005	}	1358	}
1006		1359
…		…
1016		1369
1017	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1019		1372
1020	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1021	Coro::cede;	1374	cf::cede_to_tick;
1022	}	1375	}
1023		1376
1024	sub new($) {	1377	sub new($) {
1025	my ($login) = @_;	1378	my ($login) = @_;
1026		1379
…		…
1030	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1031		1384
1032	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1033		1386
1034	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1035	}	1398	}
1036		1399
1037	=item $pl->quit_character	1400	=item $pl->quit_character
1038		1401
1039	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1089		1452
1090	=cut	1453	=cut
1091		1454
1092	sub list_logins {	1455	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1457	or return [];
1095		1458
1096	my @logins;	1459	my @logins;
1097		1460
1098	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1102		1470
1103	utf8::decode $login;	1471	utf8::decode $login;
1104	push @logins, $login;	1472	push @logins, $login;
1105	}	1473	}
1106		1474
…		…
1133	}	1501	}
1134		1502
1135	\@paths	1503	\@paths
1136	}	1504	}
1137		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1138	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1139		1558
1140	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1141		1560
1142	=cut	1561	=cut
1143		1562
1144	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1146		1565
1147	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1567	}
1151		1568
1152	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1153		1570
1154	Sends an ext event to the client.	1571	Sends an ext event to the client.
1155		1572
1156	=cut	1573	=cut
1157		1574
1158	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1160		1577
1161	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1162	}	1579	}
1163		1580
1164	package cf;	1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1165		1609
1166	=back	1610	=back
1167
1168		1611
1169	=head3 cf::map	1612	=head3 cf::map
1170		1613
1171	=over 4	1614	=over 4
1172		1615
…		…
1227	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1228		1671
1229	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1230	local $self->{path};	1673	local $self->{path};
1231	local $self->{load_path};	1674	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1675
1235	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1236	}	1677	}
1237		1678
1238	sub normalise {	1679	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1286	return $self;	1727	return $self;
1287	}	1728	}
1288	}	1729	}
1289		1730
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1732	()
1292	}	1733	}
1293		1734
1294	sub init {	1735	sub init {
1295	my ($self) = @_;	1736	my ($self) = @_;
…		…
1310		1751
1311	# the original (read-only) location	1752	# the original (read-only) location
1312	sub load_path {	1753	sub load_path {
1313	my ($self) = @_;	1754	my ($self) = @_;
1314		1755
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1316	}	1757	}
1317		1758
1318	# the temporary/swap location	1759	# the temporary/swap location
1319	sub save_path {	1760	sub save_path {
1320	my ($self) = @_;	1761	my ($self) = @_;
1321		1762
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1324	}	1765	}
1325		1766
1326	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1327	sub uniq_path {	1768	sub uniq_path {
1328	my ($self) = @_;	1769	my ($self) = @_;
1329		1770
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1332	}	1773	}
1333		1774
1334	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1335	# all maps in C++...	1776	# all maps in C++...
1336	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1338		1779
1339	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1341	}	1782	}
1342		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1343	sub unlink_save {	1792	sub unlink_save {
1344	my ($self) = @_;	1793	my ($self) = @_;
1345		1794
1346	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1799
1351	sub load_header_from($) {	1800	sub load_header_from($) {
1352	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1353		1802
1354	utf8::encode $path;	1803	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1360		1812
1361	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1362		1814
1363	1	1815	1
1364	}	1816	}
…		…
1403	$self->load_header_orig	1855	$self->load_header_orig
1404	or return;	1856	or return;
1405	$self->prepare_orig;	1857	$self->prepare_orig;
1406	}	1858	}
1407		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
		1865
1408	1	1866	1
1409	}	1867	}
1410		1868
1411	sub find;	1869	sub find;
1412	sub find {	1870	sub find {
1413	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1414		1872
1415	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1416		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1418		1877
1419	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1421	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1422	or return;	1883	or return;
1423		1884
1424	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1425		1886
1426	$map->load_header	1887	$map->load_header
1427	or return;	1888	or return;
1428		1889
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1432	$map->reset;	1895	$map->reset;
1433	undef $guard;
1434	return find $path;	1896	return find $path;
1435	}	1897	}
1436		1898
1437	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1438	}	1900	}
…		…
1445	my ($self) = @_;	1907	my ($self) = @_;
1446		1908
1447	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1448		1910
1449	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1451		1915
		1916	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		1918
1454	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1455		1920
1456	$self->alloc;	1921	$self->alloc;
1457		1922
1458	$self->pre_load;	1923	$self->pre_load;
		1924	cf::cede_to_tick;
1459		1925
1460	$self->_load_objects ($self->{load_path}, 1)	1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1461	or return;	1929	or return;
1462		1930
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1932	if delete $self->{load_original};
1465		1933
1466	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1935	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	1938	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1471	}	1942	}
1472	}	1943	}
1473		1944
1474	Coro::cede;	1945	$f->resolve_delayed_derefs;
1475		1946
		1947	cf::cede_to_tick;
1476	# now do the right thing for maps	1948	# now do the right thing for maps
1477	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1951	unless $self->difficulty;
1487	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1488	$self->activate;	1961	$self->activate;
		1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
		1967	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1968	}
1490		1969
1491	$self->post_load;	1970	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1971	}
1495		1972
1496	sub customise_for {	1973	sub customise_for {
1497	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1498		1975
1499	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1977	if $self->per_player;
1501		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1502	$self	1982	$self
1503	}	1983	}
1504		1984
1505	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1986	sub load_neighbours {
1507	my ($map) = @_;	1987	my ($map) = @_;
1508		1988
1509	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1510		1990
1511	for (0 .. 3) {	1991	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1513	or next;	1993	or next;
1514	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1515	or next;	1995	or next;
1516	$neigh->load;	1996	$neigh->load;
1517		1997
		1998	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2001	}
1521		2002
1522	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1524	or next;	2006	or next;
1525	$neigh->load;	2007	$neigh->load;
1526	}	2008	}
1527	}	2009	}
1528		2010
…		…
1533	}	2015	}
1534		2016
1535	sub do_load_sync {	2017	sub do_load_sync {
1536	my ($map) = @_;	2018	my ($map) = @_;
1537		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1538	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1539	}	2024	}
1540		2025
1541	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1543		2028
1544	sub find_async {	2029	sub find_async {
1545	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1546		2031
1547	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1548		2033
1549	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2036	}
1552		2037
1553	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1554	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2043	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2044	$map->load if $v;
		2045	}
1560		2046
1561	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1562	}	2048	}
1563	}	2049	}
1564	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1565	};	2051	};
1566	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2055	}
1570		2056
1571	sub save {	2057	sub save {
1572	my ($self) = @_;	2058	my ($self) = @_;
1573		2059
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2061
1576	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1577		2063
1578	return unless $self->dirty;	2064	return unless $self->dirty;
1579		2065
…		…
1602	my ($self) = @_;	2088	my ($self) = @_;
1603		2089
1604	# save first because save cedes	2090	# save first because save cedes
1605	$self->save;	2091	$self->save;
1606		2092
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2094
1609	return if $self->players;	2095	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2097	return if $self->{deny_save};
1612		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2103	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2104	}
1616		2105
1617	sub reset_at {	2106	sub reset_at {
1618	my ($self) = @_;	2107	my ($self) = @_;
1619		2108
1620	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1623		2111
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2114
…		…
1637	my ($self) = @_;	2125	my ($self) = @_;
1638		2126
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2128
1641	return if $self->players;	2129	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2130
1644	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1645		2132
1646	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1647		2134
1648	# need to save uniques path	2135	# need to save uniques path
1649	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2140	if $uniq;
1654	}	2141	}
1655		2142
1656	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1657		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2147	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2148
1662	$self->unlink_save;	2149	$self->unlink_save;
1663	$self->destroy;	2150	$self->destroy;
1664	}	2151	}
1665		2152
1666	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1667		2154
1668	sub nuke {	2155	sub nuke {
1669	my ($self) = @_;	2156	my ($self) = @_;
1670		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1671	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1672		2162
1673	$self->unlink_save;	2163	$self->unlink_save;
1674		2164
1675	bless $self, "cf::map";	2165	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2170
1681	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1682		2173
1683	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1684	}	2211	}
1685		2212
1686	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1687		2214
1688	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2216	instantiated unique items. May block.
1690		2217
1691	=cut	2218	=cut
1692		2219
1693	sub unique_maps() {	2220	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1695	or return;	2222	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2223	utf8::decode $_;
1701	next if /\.pst$/;	2224	/\.map$/
1702	next unless /^$PATH_SEP/o;	2225	? normalise $_
1703		2226	: ()
1704	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2228	]
1706
1707	\@paths
1708	}	2229	}
1709		2230
1710	package cf;	2231	package cf;
1711		2232
1712	=back	2233	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1731	}	2252	}
1732		2253
1733	sub inv_recursive {	2254	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1735	}	2287	}
1736		2288
1737	package cf;	2289	package cf;
1738		2290
1739	=back	2291	=back
…		…
1758		2310
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2312
1761	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1763	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1766	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1767	}	2338	}
1768		2339
1769	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1770		2341
1771	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1819		2390
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2392
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1824		2395
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2397	}
1827		2398
1828	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1830		2403
1831	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1832		2405
1833	unless ($map) {	2406	unless ($map) {
1834	# restore original map position	2407	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1851		2424
1852	$map->load;	2425	$map->load;
1853	$map->load_diag;	2426	$map->load_neighbours;
1854		2427
1855	return unless $self->contr->active;	2428	return unless $self->contr->active;
1856	$self->activate_recursive;	2429	$self->activate_recursive;
1857		2430
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1860	}	2433	}
1861		2434
1862	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2436
1866	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1870	};	2441	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2442
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1897		2446
1898	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2452
1901	$self->enter_link;	2453	$self->enter_link;
1902		2454
1903	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1904	my $map = eval {	2475	my $map = eval {
1905	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1907	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2491	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1912	})->prio (1);	2499	})->prio (1);
1913	}	2500	}
1914		2501
1915	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1916		2503
…		…
1955		2542
1956	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1957		2544
1958	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1961		2548
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2551	undef $fh;
1965	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1987		2574
1988	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1989		2580
1990	(async {	2581	(async {
1991	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2583	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
…		…
2021		2612
2022	utf8::encode $text;	2613	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2615	}
2025		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
2026	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2027		2699
2028	Sends an exti event to the client.	2700	Sends an ext event to the client.
2029		2701
2030	=cut	2702	=cut
2031		2703
2032	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2034		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
2037	}	2731	}
2038		2732
2039	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2040		2734
2041	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2738
2045	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2740	become reliable at some point in the future.
2047		2741
2048	=cut	2742	=cut
2049		2743
2050	sub cf::client::query {	2744	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2753	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2755
2062	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2064	}	2760	}
2065		2761
2066	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2067	on_reply => sub {	2768	on_reply => sub {
2068	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2069		2770
2070	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2071	# get handled first	2772	# get handled first
…		…
2083	} else {	2784	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2786	}
2086	}	2787	}
2087	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2088	);	2815	);
2089		2816
2090	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2091		2818
2092	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2135		2862
2136	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2137		2864
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2139		2870
2140	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2141		2872
2142	=pod	2873	=pod
2143		2874
2144	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2145		2876
2146	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2147	cf::object::player player	2881	cf::object::player
2148	cf::player peaceful	2882	player
2149	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2150		2889
2151	=cut	2890	=cut
2152		2891
2153	for (	2892	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2158	) {	2899	) {
2159	no strict 'refs';	2900	no strict 'refs';
…		…
2230	=back	2971	=back
2231		2972
2232	=cut	2973	=cut
2233		2974
2234	#############################################################################	2975	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2976	# the server's init and main functions
2308		2977
2309	sub load_facedata {	2978	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		2986
2312	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2313		2988
2314	my $facedata;	2989	my $facedata;
2315	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2319		2994
2320	$facedata->{version} == 2	2995	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
2323	{	3005	{
2324	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2325		3007
2326	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3014
		3015	cf::cede_to_tick;
2332	}	3016	}
2333		3017
2334	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3019	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2337	or next;	3021	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3025	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3027	}
2343	Coro::cede;	3028
		3029	cf::cede_to_tick;
2344	}	3030	}
2345	}	3031	}
2346		3032
2347	{	3033	{
2348	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2349		3035
2350	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3038	cf::cede_to_tick;
2353	}	3039	}
2354		3040
2355	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2356	}	3042	}
2357		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
2358	1	3093	1
2359	}	3094	}
2360		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
2361	sub reload_resources {	3138	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3139	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3140
		3141	reload_regions;
2364	load_facedata	3142	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
2366	}	3148	}
2367		3149
2368	sub init {	3150	sub init {
2369	reload_resources;	3151	reload_resources;
2370	}	3152	}
2371		3153
2372	sub cfg_load {	3154	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3156	or return;
2375		3157
2376	local $/;	3158	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2378		3160
…		…
2397	(async {	3179	(async {
2398	Event::one_event;	3180	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2400	};	3182	};
2401		3183
2402	cfg_load;	3184	reload_config;
2403	db_init;	3185	db_init;
2404	load_extensions;	3186	load_extensions;
2405		3187
2406	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2407	Event::loop;	3189	Event::loop;
…		…
2423	},	3205	},
2424	);	3206	);
2425	}	3207	}
2426	}	3208	}
2427		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2428	sub emergency_save() {	3248	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2430		3250
2431	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2432		3252
…		…
2463		3283
2464	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3285	if $make_core;
2466	}	3286	}
2467		3287
2468	sub reload() {	3288	sub do_reload_perl() {
2469	# can/must only be called in main	3289	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2472	return;	3292	return;
2473	}	3293	}
…		…
2507	%EXT_CORO = ();	3327	%EXT_CORO = ();
2508		3328
2509	warn "removing commands";	3329	warn "removing commands";
2510	%COMMAND = ();	3330	%COMMAND = ();
2511		3331
2512	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2514		3335
2515	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2518		3339
…		…
2548	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3371
2551	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2553		3375
2554	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3377	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2557		3379
…		…
2560	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2561	require cf;	3383	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3385
2564	warn "loading config and database again";	3386	warn "loading config and database again";
2565	cf::cfg_load;	3387	cf::reload_config;
2566		3388
2567	warn "loading extensions";	3389	warn "loading extensions";
2568	cf::load_extensions;	3390	cf::load_extensions;
2569		3391
2570	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3396	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3397	reattach $_ for values %PLAYER;
2576		3398
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3399	warn "leaving sync_job";
2581		3400
2582	1	3401	1
2583	} or do {	3402	} or do {
2584	warn $@;	3403	warn $@;
…		…
2589	warn "reloaded";	3408	warn "reloaded";
2590	};	3409	};
2591		3410
2592	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2593		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2594	register_command "reload" => sub {	3428	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2596		3430
2597	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2599		3433	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3434	}
2613	};	3435	};
2614		3436
2615	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2616		3438
2617	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2618		3461
2619	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3463	reentrant => 0,
2621	parked => 1,	3464	parked => 1,
2622	prio => 0,	3465	prio => 0,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2629	return;	3472	return;
2630	}	3473	}
2631		3474
2632	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2633		3476
2634	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2635	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2637		3481
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3485	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2643	};	3487	};
2644	}	3488	}
2645		3489
2646	$WAIT_FOR_TICK->broadcast;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
2648		3496
2649	# my $AFTER = Event::time;	3497	$NOW = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651		3498
2652	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3501
2655	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2657	},	3509	},
2658	);	3510	);
2659		3511
2660	{	3512	{
		3513	BDB::min_parallel 8;
2661	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2662	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2663	reentrant => 0,	3516	reentrant => 0,
2664	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2665	poll => 'r',	3518	poll => 'r',
2666	prio => 0,	3519	prio => 0,
2667	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2669	);	3522	);
2670	BDB::min_parallel 8;
2671		3523
2672	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2673	my $status;	3525	my $status;
2674	my $current = $Coro::current;	3526	my $current = $Coro::current;
2675	(	3527	(
…		…
2684	)	3536	)
2685	};	3537	};
2686		3538
2687	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3545
2690	cf::sync_job {	3546	cf::sync_job {
2691	eval {	3547	eval {
2692	BDB::db_env_open	3548	BDB::db_env_open
2693	$DB_ENV,	3549	$DB_ENV,
2694	$BDB_ENV_DIR,	3550	$BDBDIR,
2695	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
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3553	0666;
2698		3554
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3556	};
2704		3557
2705	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3559	};
2707	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2708	}	3592	}
2709		3593
2710	{	3594	{
2711	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2712		3596
…		…
2720	prio => 6,	3604	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2722	);	3606	);
2723	}	3607	}
2724		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
		3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
		3644	}
		3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
		3649
2725	END { cf::emergency_save }	3650	END { cf::emergency_save }
2726		3651
2727	1	3652	1
2728		3653

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