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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 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		98
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	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
118	every server tick.	136	every server tick.
119		137
120	=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
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	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.
132		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		206
167	# 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
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$Event::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$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;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	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]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		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
273	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
274		398
275	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		404
281	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
282		406
283	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
284		408
285	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)
286	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
287	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.
288		413
289	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
290	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
291	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
292	fast or be very important.	417	fast or be very important.
…		…
295		420
296	sub sync_job(&) {	421	sub sync_job(&) {
297	my ($job) = @_;	422	my ($job) = @_;
298		423
299	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
300	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
302		429
303	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
315		442
316	while ($busy) {	443	while ($busy) {
317	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
318	}	445	}
319		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
320	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
321	} else {	455	} else {
322	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
323		457
324	$job->()	458	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
344		478
345	$coro	479	$coro
346	}	480	}
347		481
348	sub write_runtime {	482	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		483
351	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.
352		488
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
354	or return;
355		490
356	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		493
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
361	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
362		497
363	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	499	reset_signals;
365	and return;	500	&$cb
		501	}, @args;
366		502
367	close $fh	503	wantarray ? @res : $res[-1]
368	or return;	504	}
369		505
370	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
371	and return;
372		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
373	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"
374	}	631	}
375		632
376	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
377		634
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
398		655
399	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>
400	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
401	crossfire+).	658	Crossfire TRT).
402		659
403	=over 4	660	=over 4
404		661
405	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
406		663
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
570		827
571	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		832
576	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	834	my $pkg = shift @arg;
578		835
579	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
609	}	866	}
610		867
611	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
612	} else {	869	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	871	}
615		872
616	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
617	}	874	}
618		875
…		…
620	if (ref $_[0]) {	877	if (ref $_[0]) {
621	_object_attach @_;	878	_object_attach @_;
622	} else {	879	} else {
623	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	# all those should be optimised	885	# all those should be optimised
628	sub cf::attachable::detach {	886	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
633	reattach ($obj);	891	reattach ($obj);
634	} else {	892	} else {
635	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
636	}	894	}
		895	_recalc_want;
637	};	896	};
638		897
639	sub cf::attachable::attached {	898	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
641		900
…		…
656	";	915	";
657	die if $@;	916	die if $@;
658	}	917	}
659		918
660	our $override;	919	our $override;
661	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?
662		921
663	sub override {	922	sub override {
664	$override = 1;	923	$override = 1;
665	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
666	}	925	}
667		926
668	sub do_invoke {	927	sub do_invoke {
669	my $event = shift;	928	my $event = shift;
670	my $callbacks = shift;	929	my $callbacks = shift;
671		930
672	@invoke_results = ();	931	@INVOKE_RESULTS = ();
673		932
674	local $override;	933	local $override;
675		934
676	for (@$callbacks) {	935	for (@$callbacks) {
677	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
694		953
695	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
696		955
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		959
701	=back	960	=back
702		961
703	=cut	962	=cut
704		963
705	#############################################################################	964	#############################################################################
706	# 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	}
707		977
708	sub reattach {	978	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	980	my ($obj) = @_;
711		981
…		…
758	sub object_freezer_save {	1028	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
760		1030
761	sync_job {	1031	sync_job {
762	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
765		1036
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1059	}
789	} else {	1060	} else {
790	aio_unlink $filename;	1061	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
792	}	1063	}
793	}	1064	};
794	}	1065	}
795		1066
796	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
798		1069
…		…
810	or return;	1081	or return;
811		1082
812	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
814	or return;	1085	or return;
		1086
815	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1088	}
817		1089
		1090	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
820	return ($data, $av);	1094	($data, $av)
821	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
822		1102
823	#############################################################################	1103	#############################################################################
824	# command handling &c	1104	# command handling &c
825		1105
826	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1120	}
841		1121
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1123
844	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.
845		1129
846	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
847	called.	1131	called.
848		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
849	=cut	1144	=cut
850		1145
851	sub register_extcmd {	1146	sub register_extcmd {
852	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
853		1148
854	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
855	}	1156	}
856		1157
857	cf::player->attach (	1158	cf::player->attach (
858	on_command => sub {	1159	on_command => sub {
859	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1169	cf::override;
869	},	1170	},
870	on_extcmd => sub {	1171	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
872		1173
873	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1175
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
881	} else {	1191	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1193	}
884		1194
885	cf::override;	1195	cf::override;
886	},	1196	},
887	);	1197	);
888		1198
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
924	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1204	next unless -r $path;
926	eval {	1205
927	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;
928	1	1263	}
929	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
930	}	1269	};
931	}	1270	}
932		1271
933	#############################################################################	1272	#############################################################################
934		1273
		1274	=back
		1275
935	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
936		1277
937	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
938		1279
939	=cut	1280	=cut
…		…
944		1285
945	=head3 cf::player	1286	=head3 cf::player
946		1287
947	=over 4	1288	=over 4
948		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
949	=item cf::player::find $login	1304	=item cf::player::find $login
950		1305
951	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
952		1307
953	=cut	1308	=cut
954		1309
955	sub playerdir($) {	1310	sub playerdir($) {
956	cf::localdir	1311	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1313	}
962		1314
963	sub path($) {	1315	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
995		1347
996	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
999	}	1356	}
1000	}	1357	}
1001	}	1358	}
1002		1359
…		…
1012		1369
1013	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1015		1372
1016	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1017	Coro::cede;	1374	cf::cede_to_tick;
1018	}	1375	}
1019		1376
1020	sub new($) {	1377	sub new($) {
1021	my ($login) = @_;	1378	my ($login) = @_;
1022		1379
…		…
1026	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1027		1384
1028	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1029		1386
1030	$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 (@_);
1031	}	1398	}
1032		1399
1033	=item $pl->quit_character	1400	=item $pl->quit_character
1034		1401
1035	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
…		…
1084	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1085		1452
1086	=cut	1453	=cut
1087		1454
1088	sub list_logins {	1455	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1457	or return [];
1091		1458
1092	my @logins;	1459	my @logins;
1093		1460
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1098		1470
1099	utf8::decode $login;	1471	utf8::decode $login;
1100	push @logins, $login;	1472	push @logins, $login;
1101	}	1473	}
1102		1474
…		…
1129	}	1501	}
1130		1502
1131	\@paths	1503	\@paths
1132	}	1504	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1135		1558
1136	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1137		1560
1138	=cut	1561	=cut
1139		1562
1140	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1142		1565
1143	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1567	}
1147		1568
1148	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1149		1570
1150	Sends an ext event to the client.	1571	Sends an ext event to the client.
1151		1572
1152	=cut	1573	=cut
1153		1574
1154	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1156		1577
1157	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1158	}	1579	}
1159		1580
1160	=head3 cf::region	1581	=head3 cf::region
1161		1582
1162	=over 4	1583	=over 4
…		…
1165		1586
1166	package cf::region;	1587	package cf::region;
1167		1588
1168	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1169		1590
1170	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1171		1592
1172	=cut	1593	=cut
1173		1594
1174	sub find_by_path($) {	1595	sub find_by_path($) {
1175	my ($path) = @_;	1596	my ($path) = @_;
1176		1597
1177	my ($match, $specificity);	1598	my ($match, $specificity);
1178		1599
1179	for my $region (list) {	1600	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1183	}	1604	}
1184	}	1605	}
1185		1606
…		…
1249	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1250		1671
1251	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1252	local $self->{path};	1673	local $self->{path};
1253	local $self->{load_path};	1674	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1675
1257	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1258	}	1677	}
1259		1678
1260	sub normalise {	1679	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1308	return $self;	1727	return $self;
1309	}	1728	}
1310	}	1729	}
1311		1730
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1732	()
1314	}	1733	}
1315		1734
1316	sub init {	1735	sub init {
1317	my ($self) = @_;	1736	my ($self) = @_;
…		…
1332		1751
1333	# the original (read-only) location	1752	# the original (read-only) location
1334	sub load_path {	1753	sub load_path {
1335	my ($self) = @_;	1754	my ($self) = @_;
1336		1755
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1338	}	1757	}
1339		1758
1340	# the temporary/swap location	1759	# the temporary/swap location
1341	sub save_path {	1760	sub save_path {
1342	my ($self) = @_;	1761	my ($self) = @_;
1343		1762
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1346	}	1765	}
1347		1766
1348	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1349	sub uniq_path {	1768	sub uniq_path {
1350	my ($self) = @_;	1769	my ($self) = @_;
1351		1770
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1354	}	1773	}
1355		1774
1356	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1357	# all maps in C++...	1776	# all maps in C++...
1358	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1360		1779
1361	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1363	}	1782	}
1364		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1365	sub unlink_save {	1792	sub unlink_save {
1366	my ($self) = @_;	1793	my ($self) = @_;
1367		1794
1368	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1799
1373	sub load_header_from($) {	1800	sub load_header_from($) {
1374	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1375		1802
1376	utf8::encode $path;	1803	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1812
1383	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1384		1814
1385	1	1815	1
1386	}	1816	}
…		…
1425	$self->load_header_orig	1855	$self->load_header_orig
1426	or return;	1856	or return;
1427	$self->prepare_orig;	1857	$self->prepare_orig;
1428	}	1858	}
1429		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
1430	$self->default_region (cf::region::find_by_path $self->{path})	1863	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1864	unless $self->default_region;
1432		1865
1433	1	1866	1
1434	}	1867	}
…		…
1437	sub find {	1870	sub find {
1438	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1439		1872
1440	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1441		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1443		1877
1444	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1445	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
1446	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1447	or return;	1883	or return;
1448		1884
1449	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1450		1886
1451	$map->load_header	1887	$map->load_header
1452	or return;	1888	or return;
1453		1889
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1457	$map->reset;	1895	$map->reset;
1458	undef $guard;
1459	return find $path;	1896	return find $path;
1460	}	1897	}
1461		1898
1462	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1463	}	1900	}
…		…
1470	my ($self) = @_;	1907	my ($self) = @_;
1471		1908
1472	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1473		1910
1474	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1476		1915
		1916	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1918
1479	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1480		1920
1481	$self->alloc;	1921	$self->alloc;
1482		1922
1483	$self->pre_load;	1923	$self->pre_load;
1484	Coro::cede;	1924	cf::cede_to_tick;
1485		1925
1486	$self->_load_objects ($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)
1487	or return;	1929	or return;
1488		1930
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1932	if delete $self->{load_original};
1491		1933
1492	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1935	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1938	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1497	}	1942	}
1498	}	1943	}
1499		1944
1500	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1501	# now do the right thing for maps	1948	# now do the right thing for maps
1502	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1951	unless $self->difficulty;
1513	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($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;
1514	$self->activate;	1961	$self->activate;
1515	Coro::cede;	1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
		1967	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1968	}
1517		1969
1518	$self->post_load;	1970	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1971	}
1523		1972
1524	sub customise_for {	1973	sub customise_for {
1525	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1526		1975
1527	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1977	if $self->per_player;
1529		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1530	$self	1982	$self
1531	}	1983	}
1532		1984
1533	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1986	sub load_neighbours {
1535	my ($map) = @_;	1987	my ($map) = @_;
1536		1988
1537	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1538		1990
1539	for (0 .. 3) {	1991	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1541	or next;	1993	or next;
1542	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1543	or next;	1995	or next;
1544	$neigh->load;	1996	$neigh->load;
1545		1997
		1998	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2001	}
1549		2002
1550	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1552	or next;	2006	or next;
1553	$neigh->load;	2007	$neigh->load;
1554	}	2008	}
1555	}	2009	}
1556		2010
…		…
1561	}	2015	}
1562		2016
1563	sub do_load_sync {	2017	sub do_load_sync {
1564	my ($map) = @_;	2018	my ($map) = @_;
1565		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1566	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1567	}	2024	}
1568		2025
1569	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1571		2028
1572	sub find_async {	2029	sub find_async {
1573	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1574		2031
1575	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1576		2033
1577	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2036	}
1580		2037
1581	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1582	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2043	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2044	$map->load if $v;
		2045	}
1588		2046
1589	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1590	}	2048	}
1591	}	2049	}
1592	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1593	};	2051	};
1594	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2055	}
1598		2056
1599	sub save {	2057	sub save {
1600	my ($self) = @_;	2058	my ($self) = @_;
1601		2059
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2061
1604	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1605		2063
1606	return unless $self->dirty;	2064	return unless $self->dirty;
1607		2065
…		…
1630	my ($self) = @_;	2088	my ($self) = @_;
1631		2089
1632	# save first because save cedes	2090	# save first because save cedes
1633	$self->save;	2091	$self->save;
1634		2092
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2094
1637	return if $self->players;	2095	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2097	return if $self->{deny_save};
1640		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2103	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2104	}
1644		2105
1645	sub reset_at {	2106	sub reset_at {
1646	my ($self) = @_;	2107	my ($self) = @_;
1647		2108
1648	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1651		2111
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2114
…		…
1665	my ($self) = @_;	2125	my ($self) = @_;
1666		2126
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2128
1669	return if $self->players;	2129	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2130
1672	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1673		2132
1674	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1675		2134
1676	# need to save uniques path	2135	# need to save uniques path
1677	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2140	if $uniq;
1682	}	2141	}
1683		2142
1684	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1685		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2147	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2148
1690	$self->unlink_save;	2149	$self->unlink_save;
1691	$self->destroy;	2150	$self->destroy;
1692	}	2151	}
1693		2152
1694	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1695		2154
1696	sub nuke {	2155	sub nuke {
1697	my ($self) = @_;	2156	my ($self) = @_;
1698		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1699	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1700		2162
1701	$self->unlink_save;	2163	$self->unlink_save;
1702		2164
1703	bless $self, "cf::map";	2165	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2170
1709	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1710		2173
1711	$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	]
1712	}	2211	}
1713		2212
1714	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1715		2214
1716	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2216	instantiated unique items. May block.
1718		2217
1719	=cut	2218	=cut
1720		2219
1721	sub unique_maps() {	2220	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1723	or return;	2222	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2223	utf8::decode $_;
1729	next if /\.pst$/;	2224	/\.map$/
1730	next unless /^$PATH_SEP/o;	2225	? normalise $_
1731		2226	: ()
1732	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2228	]
1734
1735	\@paths
1736	}	2229	}
1737		2230
1738	package cf;	2231	package cf;
1739		2232
1740	=back	2233	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1759	}	2252	}
1760		2253
1761	sub inv_recursive {	2254	sub inv_recursive {
1762	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	}
1763	}	2287	}
1764		2288
1765	package cf;	2289	package cf;
1766		2290
1767	=back	2291	=back
…		…
1786		2310
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2312
1789	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1794	}	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 (@_);
1795	}	2338	}
1796		2339
1797	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1798		2341
1799	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1847		2390
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2392
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1852		2395
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2397	}
1855		2398
1856	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1858		2403
1859	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1860		2405
1861	unless ($map) {	2406	unless ($map) {
1862	# restore original map position	2407	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1879		2424
1880	$map->load;	2425	$map->load;
1881	$map->load_diag;	2426	$map->load_neighbours;
1882		2427
1883	return unless $self->contr->active;	2428	return unless $self->contr->active;
1884	$self->activate_recursive;	2429	$self->activate_recursive;
1885		2430
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1888	}	2433	}
1889		2434
1890	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2436
1894	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1898	};	2441	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2442
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1925		2446
1926	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1927	my ($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;
1928		2452
1929	$self->enter_link;	2453	$self->enter_link;
1930		2454
1931	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($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
1932	my $map = eval {	2475	my $map = eval {
1933	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2491	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1940	})->prio (1);	2499	})->prio (1);
1941	}	2500	}
1942		2501
1943	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1944		2503
…		…
1983		2542
1984	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1985		2544
1986	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1989		2548
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2551	undef $fh;
1993	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
2012	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;
2013	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2015		2574
2016	$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);
2017		2580
2018	(async {	2581	(async {
2019	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2583	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
…		…
2049		2612
2050	utf8::encode $text;	2613	utf8::encode $text;
2051	$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);
2052	}	2615	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2055		2699
2056	Sends an exti event to the client.	2700	Sends an ext event to the client.
2057		2701
2058	=cut	2702	=cut
2059		2703
2060	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2062		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2731	}
2066		2732
2067	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2068		2734
2069	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2738
2073	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
2074	reliable at some point in the future.	2740	become reliable at some point in the future.
2075		2741
2076	=cut	2742	=cut
2077		2743
2078	sub cf::client::query {	2744	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2753	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2755
2090	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2092	}	2760	}
2093		2761
2094	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	},
2095	on_reply => sub {	2768	on_reply => sub {
2096	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2097		2770
2098	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2099	# get handled first	2772	# get handled first
…		…
2111	} else {	2784	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2786	}
2114	}	2787	}
2115	},	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	},
2116	);	2815	);
2117		2816
2118	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2119		2818
2120	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2163		2862
2164	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2165		2864
2166	$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	));
2167		2870
2168	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2169		2872
2170	=pod	2873	=pod
2171		2874
2172	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2173		2876
2174	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
2175	cf::object::player player	2881	cf::object::player
2176	cf::player peaceful	2882	player
2177	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2178		2889
2179	=cut	2890	=cut
2180		2891
2181	for (	2892	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2186	) {	2899	) {
2187	no strict 'refs';	2900	no strict 'refs';
…		…
2258	=back	2971	=back
2259		2972
2260	=cut	2973	=cut
2261		2974
2262	#############################################################################	2975	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2976	# the server's init and main functions
2336		2977
2337	sub load_facedata {	2978	sub load_facedata($) {
2338	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;
2339		2986
2340	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2341		2988
2342	my $facedata;	2989	my $facedata;
2343	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2347		2994
2348	$facedata->{version} == 2	2995	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3005	{
2352	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2353		3007
2354	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3014
		3015	cf::cede_to_tick;
2360	}	3016	}
2361		3017
2362	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3019	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2365	or next;	3021	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3025	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3027	}
2371	Coro::cede;	3028
		3029	cf::cede_to_tick;
2372	}	3030	}
2373	}	3031	}
2374		3032
2375	{	3033	{
2376	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2377		3035
2378	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3038	cf::cede_to_tick;
2381	}	3039	}
2382		3040
2383	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2384	}	3042	}
2385		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
2386	1	3093	1
2387	}	3094	}
2388		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
2389	sub reload_resources {	3138	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3139	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3140
		3141	reload_regions;
2392	load_facedata	3142	reload_facedata;
2393	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";
2394	}	3148	}
2395		3149
2396	sub init {	3150	sub init {
2397	reload_resources;	3151	reload_resources;
2398	}	3152	}
2399		3153
2400	sub cfg_load {	3154	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3156	or return;
2403		3157
2404	local $/;	3158	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2406		3160
…		…
2425	(async {	3179	(async {
2426	Event::one_event;	3180	Event::one_event;
2427	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2428	};	3182	};
2429		3183
2430	cfg_load;	3184	reload_config;
2431	db_init;	3185	db_init;
2432	load_extensions;	3186	load_extensions;
2433		3187
2434	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2435	Event::loop;	3189	Event::loop;
…		…
2451	},	3205	},
2452	);	3206	);
2453	}	3207	}
2454	}	3208	}
2455		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
2456	sub emergency_save() {	3248	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2458		3250
2459	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2460		3252
…		…
2491		3283
2492	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3285	if $make_core;
2494	}	3286	}
2495		3287
2496	sub reload() {	3288	sub do_reload_perl() {
2497	# can/must only be called in main	3289	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2500	return;	3292	return;
2501	}	3293	}
…		…
2535	%EXT_CORO = ();	3327	%EXT_CORO = ();
2536		3328
2537	warn "removing commands";	3329	warn "removing commands";
2538	%COMMAND = ();	3330	%COMMAND = ();
2539		3331
2540	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2542		3335
2543	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2546		3339
…		…
2576	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2577	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);
2578		3371
2579	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2581		3375
2582	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3377	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2585		3379
…		…
2588	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2589	require cf;	3383	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3385
2592	warn "loading config and database again";	3386	warn "loading config and database again";
2593	cf::cfg_load;	3387	cf::reload_config;
2594		3388
2595	warn "loading extensions";	3389	warn "loading extensions";
2596	cf::load_extensions;	3390	cf::load_extensions;
2597		3391
2598	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3396	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3397	reattach $_ for values %PLAYER;
2604		3398
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3399	warn "leaving sync_job";
2609		3400
2610	1	3401	1
2611	} or do {	3402	} or do {
2612	warn $@;	3403	warn $@;
…		…
2617	warn "reloaded";	3408	warn "reloaded";
2618	};	3409	};
2619		3410
2620	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2621		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
2622	register_command "reload" => sub {	3428	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2624		3430
2625	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2627		3433	async { reload_perl };
2628	# doing reload synchronously and two reloads happen back-to-back,
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);
2640	}	3434	}
2641	};	3435	};
2642		3436
2643	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2644		3438
…		…
2646		3440
2647	our @WAIT_FOR_TICK;	3441	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3442	our @WAIT_FOR_TICK_BEGIN;
2649		3443
2650	sub wait_for_tick {	3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
2651	my $signal = new Coro::Signal;	3448	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3449	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3450	$signal->wait;
2654	}	3451	}
2655		3452
2656	sub wait_for_tick_begin {	3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
2657	my $signal = new Coro::Signal;	3457	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3458	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3459	$signal->wait;
2660	}	3460	}
2661		3461
…		…
2670	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"
2671	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2672	return;	3472	return;
2673	}	3473	}
2674		3474
2675	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2676		3476
2677	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2678	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2680		3481
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2691	}	3492	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3493	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3494	$sig->send;
2694	}	3495	}
2695		3496
2696	# my $AFTER = Event::time;	3497	$NOW = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698		3498
2699	# 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
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2701		3501
2702	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2703	$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;
2704	},	3509	},
2705	);	3510	);
2706		3511
2707	{	3512	{
		3513	BDB::min_parallel 8;
2708	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2709	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2710	reentrant => 0,	3516	reentrant => 0,
2711	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2712	poll => 'r',	3518	poll => 'r',
2713	prio => 0,	3519	prio => 0,
2714	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2716	);	3522	);
2717	BDB::min_parallel 8;
2718		3523
2719	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2720	my $status;	3525	my $status;
2721	my $current = $Coro::current;	3526	my $current = $Coro::current;
2722	(	3527	(
…		…
2731	)	3536	)
2732	};	3537	};
2733		3538
2734	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2735	$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);
2736		3545
2737	cf::sync_job {	3546	cf::sync_job {
2738	eval {	3547	eval {
2739	BDB::db_env_open	3548	BDB::db_env_open
2740	$DB_ENV,	3549	$DB_ENV,
2741	$BDB_ENV_DIR,	3550	$BDBDIR,
2742	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
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3553	0666;
2745		3554
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	3556	};
2751		3557
2752	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	3559	};
2754	}	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	);
2755	}	3592	}
2756		3593
2757	{	3594	{
2758	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2759		3596
…		…
2767	prio => 6,	3604	prio => 6,
2768	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2769	);	3606	);
2770	}	3607	}
2771		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
2772	END { cf::emergency_save }	3650	END { cf::emergency_save }
2773		3651
2774	1	3652	1
2775		3653

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