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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	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.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		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	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	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	412	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.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	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	417	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	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		492
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
352	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
353		497
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		499
358	aio_fsync $fh	500	sub fork_call(&@) {
359	and return;	501	my ($cb, @args) = @_;
360		502
361	close $fh	503	# we seemingly have to make a local copy of the whole thing,
362	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
363		506
364	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
365	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
366		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
367	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	651	}
369		652
370	=back	653	=back
371		654
372	=cut	655	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
381		664
382	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	667	Crossfire TRT).
385		668
386	=over 4	669	=over 4
387		670
388	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
389		672
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	787	our @CB_MAP = ();
505		788
506	my %attachment;	789	my %attachment;
507		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
508	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
510		799
511	use sort 'stable';	800	use sort 'stable';
512		801
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
547		836
548	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		841
553	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	843	my $pkg = shift @arg;
555		844
556	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
586	}	875	}
587		876
588	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
589	} else {	878	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	880	}
592		881
593	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
594	}	883	}
595		884
…		…
597	if (ref $_[0]) {	886	if (ref $_[0]) {
598	_object_attach @_;	887	_object_attach @_;
599	} else {	888	} else {
600	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
601	}	890	}
		891	_recalc_want;
602	};	892	};
603		893
604	# all those should be optimised	894	# all those should be optimised
605	sub cf::attachable::detach {	895	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
610	reattach ($obj);	900	reattach ($obj);
611	} else {	901	} else {
612	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
613	}	903	}
		904	_recalc_want;
614	};	905	};
615		906
616	sub cf::attachable::attached {	907	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
618		909
…		…
633	";	924	";
634	die if $@;	925	die if $@;
635	}	926	}
636		927
637	our $override;	928	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		930
640	sub override {	931	sub override {
641	$override = 1;	932	$override = 1;
642	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
643	}	934	}
644		935
645	sub do_invoke {	936	sub do_invoke {
646	my $event = shift;	937	my $event = shift;
647	my $callbacks = shift;	938	my $callbacks = shift;
648		939
649	@invoke_results = ();	940	@INVOKE_RESULTS = ();
650		941
651	local $override;	942	local $override;
652		943
653	for (@$callbacks) {	944	for (@$callbacks) {
654	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
671		962
672	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
673		964
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		968
678	=back	969	=back
679		970
680	=cut	971	=cut
681		972
682	#############################################################################	973	#############################################################################
683	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
684		1017
685	sub reattach {	1018	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1020	my ($obj) = @_;
688		1021
…		…
735	sub object_freezer_save {	1068	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
737		1070
738	sync_job {	1071	sync_job {
739	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
742		1076
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1081	close $fh;
748		1082
749	if (@$objs) {	1083	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1089	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
757	}	1091	}
758	} else {	1092	} else {
759	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
765	}	1099	}
766	} else {	1100	} else {
767	aio_unlink $filename;	1101	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
769	}	1103	}
770	}	1104	};
771	}	1105	}
772		1106
773	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
775		1109
…		…
787	or return;	1121	or return;
788		1122
789	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
791	or return;	1125	or return;
		1126
792	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
793	}	1129	}
794		1130
		1131	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
797	return ($data, $av);	1135	($data, $av)
798	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
799		1143
800	#############################################################################	1144	#############################################################################
801	# command handling &c	1145	# command handling &c
802		1146
803	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1161	}
818		1162
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1164
821	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
822		1170
823	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
824	called.	1172	called.
825		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
826	=cut	1185	=cut
827		1186
828	sub register_extcmd {	1187	sub register_extcmd {
829	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
830		1189
831	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
832	}	1197	}
833		1198
834	cf::player->attach (	1199	cf::player->attach (
835	on_command => sub {	1200	on_command => sub {
836	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1210	cf::override;
846	},	1211	},
847	on_extcmd => sub {	1212	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
849		1214
850	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1216
852	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
858	} else {	1232	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1234	}
861		1235
862	cf::override;	1236	cf::override;
863	},	1237	},
864	);	1238	);
865		1239
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
901	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1245	next unless -r $path;
903	eval {	1246
904	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
905	1	1304	}
906	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
907	}	1310	};
908	}	1311	}
909		1312
910	#############################################################################	1313	#############################################################################
911		1314
		1315	=back
		1316
912	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
913		1318
914	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
915		1320
916	=cut	1321	=cut
…		…
921		1326
922	=head3 cf::player	1327	=head3 cf::player
923		1328
924	=over 4	1329	=over 4
925		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
926	=item cf::player::find $login	1345	=item cf::player::find $login
927		1346
928	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
929		1348
930	=cut	1349	=cut
931		1350
932	sub playerdir($) {	1351	sub playerdir($) {
933	cf::localdir	1352	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1354	}
939		1355
940	sub path($) {	1356	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1358
943	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
944	}	1360	}
945		1361
946	sub find_active($) {	1362	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
951		1367
952	sub exists($) {	1368	sub exists($) {
953	my ($login) = @_;	1369	my ($login) = @_;
954		1370
955	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
957	}	1373	}
958		1374
959	sub find($) {	1375	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1377	my $login = $_[0];
962		1378
963	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
964		1380
965	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
967	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
969	}	1397	}
970	}	1398	}
971	}	1399	}
972		1400
…		…
982		1410
983	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
985		1413
986	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
987	Coro::cede;	1415	cf::cede_to_tick;
988	}	1416	}
989		1417
990	sub new($) {	1418	sub new($) {
991	my ($login) = @_;	1419	my ($login) = @_;
992		1420
…		…
998	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
999		1427
1000	$self	1428	$self
1001	}	1429	}
1002		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1003	=item $pl->quit_character	1441	=item $pl->quit_character
1004		1442
1005	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1007		1445
1008	=cut	1446	=cut
1009		1447
1010	sub quit_character {	1448	sub quit_character {
1011	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1012		1452
1013	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1455
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1026	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1027	}	1487	}
1028		1488
1029	=item cf::player::list_logins	1489	=item cf::player::list_logins
1030		1490
1031	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1033		1493
1034	=cut	1494	=cut
1035		1495
1036	sub list_logins {	1496	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1498	or return [];
1039		1499
1040	my @logins;	1500	my @logins;
1041		1501
1042	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1046		1511
1047	utf8::decode $login;	1512	utf8::decode $login;
1048	push @logins, $login;	1513	push @logins, $login;
1049	}	1514	}
1050		1515
…		…
1058		1523
1059	=cut	1524	=cut
1060		1525
1061	sub maps($) {	1526	sub maps($) {
1062	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1530
1064	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1065	or return;	1532	or return;
1066		1533
1067	my @paths;	1534	my @paths;
…		…
1069	for (@$files) {	1536	for (@$files) {
1070	utf8::decode $_;	1537	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1073		1540
1074	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1542	}
1077		1543
1078	\@paths	1544	\@paths
1079	}	1545	}
1080		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1082		1599
1083	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1084		1601
1085	=cut	1602	=cut
1086		1603
1087	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1089		1606
1090	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1608	}
1094		1609
1095	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1096		1650
1097	=back	1651	=back
1098
1099		1652
1100	=head3 cf::map	1653	=head3 cf::map
1101		1654
1102	=over 4	1655	=over 4
1103		1656
…		…
1107		1660
1108	use Fcntl;	1661	use Fcntl;
1109	use Coro::AIO;	1662	use Coro::AIO;
1110		1663
1111	use overload	1664	use overload
1112	'""' => \&as_string;	1665	'""' => \&as_string,
		1666	fallback => 1;
1113		1667
1114	our $MAX_RESET = 3600;	1668	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1669	our $DEFAULT_RESET = 3000;
1116		1670
1117	sub generate_random_map {	1671	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1672	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1673	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1674	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1686	)
1134	}	1687	}
1135		1688
		1689	=item cf::map->register ($regex, $prio)
		1690
		1691	Register a handler for the map path matching the given regex at the
		1692	givne priority (higher is better, built-in handlers have priority 0, the
		1693	default).
		1694
		1695	=cut
		1696
1136	sub register {	1697	sub register {
1137	my (undef, $regex) = @_;	1698	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1699	my $pkg = caller;
1139		1700
1140	no strict;	1701	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1702	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1703
1143	$EXT_MAP{$pkg} = qr<$regex>;	1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1705	}
1145		1706
1146	# also paths starting with '/'	1707	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1709
		1710	sub thawer_merge {
		1711	my ($self, $merge) = @_;
		1712
		1713	# we have to keep some variables in memory intact
		1714	local $self->{path};
		1715	local $self->{load_path};
		1716
		1717	$self->SUPER::thawer_merge ($merge);
		1718	}
1148		1719
1149	sub normalise {	1720	sub normalise {
1150	my ($path, $base) = @_;	1721	my ($path, $base) = @_;
		1722
		1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1151		1726
1152	# map plan:	1727	# map plan:
1153	#	1728	#
1154	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1183		1758
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1759	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1760
1186	$path = normalise $path, $base;	1761	$path = normalise $path, $base;
1187		1762
1188	for my $pkg (keys %EXT_MAP) {	1763	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1764	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1765	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1766	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1193	return $self;	1768	return $self;
1194	}	1769	}
1195	}	1770	}
1196		1771
1197	Carp::carp "unable to resolve path '$path'.";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1773	()
1199	}	1774	}
1200		1775
1201	sub init {	1776	sub init {
1202	my ($self) = @_;	1777	my ($self) = @_;
…		…
1217		1792
1218	# the original (read-only) location	1793	# the original (read-only) location
1219	sub load_path {	1794	sub load_path {
1220	my ($self) = @_;	1795	my ($self) = @_;
1221		1796
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1223	}	1798	}
1224		1799
1225	# the temporary/swap location	1800	# the temporary/swap location
1226	sub save_path {	1801	sub save_path {
1227	my ($self) = @_;	1802	my ($self) = @_;
1228		1803
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1231	}	1806	}
1232		1807
1233	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1234	sub uniq_path {	1809	sub uniq_path {
1235	my ($self) = @_;	1810	my ($self) = @_;
1236		1811
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1239	}	1814	}
1240		1815
1241	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1242	# all maps in C++...	1817	# all maps in C++...
1243	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1245		1820
1246	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1248	}	1823	}
1249		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1250	sub unlink_save {	1833	sub unlink_save {
1251	my ($self) = @_;	1834	my ($self) = @_;
1252		1835
1253	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1839	}
1257		1840
1258	sub load_header_from($) {	1841	sub load_header_from($) {
1259	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1260		1843
1261	utf8::encode $path;	1844	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1263	or return;	1846	or return;
1264		1847
1265	$self->_load_header ($path)	1848	$self->_load_header ($f)
1266	or return;	1849	or return;
1267		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
		1853
1268	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1269		1855
1270	1	1856	1
1271	}	1857	}
1272		1858
1273	sub load_orig {	1859	sub load_header_orig {
1274	my ($self) = @_;	1860	my ($self) = @_;
1275		1861
1276	$self->load_header_from ($self->load_path)	1862	$self->load_header_from ($self->load_path)
1277	}	1863	}
1278		1864
1279	sub load_temp {	1865	sub load_header_temp {
1280	my ($self) = @_;	1866	my ($self) = @_;
1281		1867
1282	$self->load_header_from ($self->save_path)	1868	$self->load_header_from ($self->save_path)
		1869	}
		1870
		1871	sub prepare_temp {
		1872	my ($self) = @_;
		1873
		1874	$self->last_access ((delete $self->{last_access})
		1875	|| $cf::RUNTIME); #d#
		1876	# safety
		1877	$self->{instantiate_time} = $cf::RUNTIME
		1878	if $self->{instantiate_time} > $cf::RUNTIME;
		1879	}
		1880
		1881	sub prepare_orig {
		1882	my ($self) = @_;
		1883
		1884	$self->{load_original} = 1;
		1885	$self->{instantiate_time} = $cf::RUNTIME;
		1886	$self->last_access ($cf::RUNTIME);
		1887	$self->instantiate;
1283	}	1888	}
1284		1889
1285	sub load_header {	1890	sub load_header {
1286	my ($self) = @_;	1891	my ($self) = @_;
1287		1892
1288	if ($self->load_temp) {	1893	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1894	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1895	} else {
1295	$self->load_orig	1896	$self->load_header_orig
1296	or return;	1897	or return;
1297		1898	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1899	}
		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
1303		1906
1304	1	1907	1
1305	}	1908	}
1306		1909
1307	sub find;	1910	sub find;
1308	sub find {	1911	sub find {
1309	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1310		1913
1311	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1312		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1314		1918
1315	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1317	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1318	or return;	1924	or return;
1319		1925
1320	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1321		1927
1322	$map->load_header	1928	$map->load_header
1323	or return;	1929	or return;
1324		1930
1325	if ($map->should_reset) {	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1932	# doing this can freeze the server in a sync job, obviously
		1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1326	$map->reset;	1936	$map->reset;
1327	undef $guard;
1328	$map = find $path	1937	return find $path;
1329	or return;
1330	}	1938	}
1331		1939
1332	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1333	}	1941	}
1334	}	1942	}
		1943
		1944	sub pre_load { }
		1945	sub post_load { }
1335		1946
1336	sub load {	1947	sub load {
1337	my ($self) = @_;	1948	my ($self) = @_;
1338		1949
		1950	local $self->{deny_reset} = 1; # loading can take a long time
		1951
1339	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1341		1956
		1957	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1959
1344	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1345		1961
1346	$self->alloc;	1962	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	1963
		1964	$self->pre_load;
		1965	cf::cede_to_tick;
		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1348	or return;	1970	or return;
1349		1971
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1973	if delete $self->{load_original};
1352		1974
1353	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1976	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	1979	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1358	}	1983	}
1359	}	1984	}
1360		1985
1361	Coro::cede;	1986	$f->resolve_delayed_derefs;
1362		1987
		1988	cf::cede_to_tick;
1363	# now do the right thing for maps	1989	# now do the right thing for maps
1364	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1992	unless $self->difficulty;
1374	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1375	$self->activate;	2002	$self->activate;
1376	}	2003	}
1377		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
		2009	}
		2010
		2011	$self->post_load;
1379	}	2012	}
1380		2013
1381	sub customise_for {	2014	sub customise_for {
1382	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1383		2016
1384	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2018	if $self->per_player;
1386		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1387	$self	2023	$self
1388	}	2024	}
1389		2025
1390	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2027	sub load_neighbours {
1392	my ($map) = @_;	2028	my ($map) = @_;
1393		2029
1394	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1395		2031
1396	for (0 .. 3) {	2032	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1398	or next;	2034	or next;
1399	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1400	or next;	2036	or next;
1401	$neigh->load;	2037	$neigh->load;
1402		2038
		2039	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2042	}
1406		2043
1407	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1409	or next;	2047	or next;
1410	$neigh->load;	2048	$neigh->load;
1411	}	2049	}
1412	}	2050	}
1413		2051
…		…
1418	}	2056	}
1419		2057
1420	sub do_load_sync {	2058	sub do_load_sync {
1421	my ($map) = @_;	2059	my ($map) = @_;
1422		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1423	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1424	}	2065	}
1425		2066
1426	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2068	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2069
1440	sub find_async {	2070	sub find_async {
1441	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1442		2072
1443	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1444		2074
1445	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2077	}
		2078
		2079	$MAP_PREFETCH{$path} |= $load;
		2080
		2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
		2084	while (%MAP_PREFETCH) {
		2085	while (my ($k, $v) = each %MAP_PREFETCH) {
		2086	if (my $map = find $k) {
		2087	$map->load if $v;
		2088	}
		2089
		2090	delete $MAP_PREFETCH{$k};
		2091	}
		2092	}
		2093	undef $MAP_PREFETCHER;
1447	}	2094	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2095	$MAP_PREFETCHER->prio (6);
1451		2096
1452	()	2097	()
1453	}	2098	}
1454		2099
1455	sub save {	2100	sub save {
1456	my ($self) = @_;	2101	my ($self) = @_;
1457		2102
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2104
1460	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1461		2106
1462	return unless $self->dirty;	2107	return unless $self->dirty;
1463		2108
…		…
1469	return if $self->{deny_save};	2114	return if $self->{deny_save};
1470		2115
1471	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1472		2117
1473	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1475	};	2121	};
1476		2122
1477	if ($uniq) {	2123	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2132	my ($self) = @_;
1487		2133
1488	# save first because save cedes	2134	# save first because save cedes
1489	$self->save;	2135	$self->save;
1490		2136
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2138
1493	return if $self->players;	2139	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2141	return if $self->{deny_save};
1496		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2147	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2148	}
1500		2149
1501	sub reset_at {	2150	sub reset_at {
1502	my ($self) = @_;	2151	my ($self) = @_;
1503		2152
1504	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1507		2155
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2158
…		…
1515	my ($self) = @_;	2163	my ($self) = @_;
1516		2164
1517	$self->reset_at <= $cf::RUNTIME	2165	$self->reset_at <= $cf::RUNTIME
1518	}	2166	}
1519		2167
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2168	sub reset {
1535	my ($self) = @_;	2169	my ($self) = @_;
1536		2170
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2172
1539	return if $self->players;	2173	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2174
1542	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1543		2186
1544	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1545		2188
1546	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2191	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2192
1551	$self->unlink_save;	2193	$self->unlink_save;
1552	$self->destroy;	2194	$self->destroy;
1553	}	2195	}
1554		2196
1555	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1556		2198
1557	sub nuke {	2199	sub nuke {
1558	my ($self) = @_;	2200	my ($self) = @_;
1559		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
		2205	delete $cf::MAP{$self->path};
		2206
		2207	$self->unlink_save;
		2208
		2209	bless $self, "cf::map";
		2210	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2214
		2215	$cf::MAP{$self->path} = $self;
		2216	}
		2217
1563	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1564	}	2255	}
1565		2256
1566	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1567		2258
1568	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2260	instantiated unique items. May block.
1570		2261
1571	=cut	2262	=cut
1572		2263
1573	sub unique_maps() {	2264	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1575	or return;	2266	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2267	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2268	/\.map$/
1585	push @paths, $_;	2269	? normalise $_
		2270	: ()
		2271	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2272	]
1587
1588	\@paths
1589	}	2273	}
1590		2274
1591	package cf;	2275	package cf;
1592		2276
1593	=back	2277	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1612	}	2296	}
1613		2297
1614	sub inv_recursive {	2298	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1616	}	2328	}
1617		2329
1618	package cf;	2330	package cf;
1619		2331
1620	=back	2332	=back
…		…
1639		2351
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2353
1642	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1644	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1647	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1648	}	2379	}
1649		2380
1650	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1651		2382
1652	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2415	=cut
1685		2416
1686	sub link_map {	2417	sub link_map {
1687	unless ($LINK_MAP) {	2418	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2419	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2420	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2421	$LINK_MAP->load;
1691	}	2422	}
1692		2423
1693	$LINK_MAP	2424	$LINK_MAP
1694	}	2425	}
…		…
1699	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1700		2431
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2433
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1705		2436
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2438	}
1708		2439
1709	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1711		2444
1712	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1713		2446
1714	unless ($map) {	2447	unless ($map) {
1715	# restore original map position	2448	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1732		2465
1733	$map->load;	2466	$map->load;
1734	$map->load_diag;	2467	$map->load_neighbours;
1735		2468
1736	return unless $self->contr->active;	2469	return unless $self->contr->active;
1737	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1739	}	2474	}
1740		2475
1741	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2477
1745	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1749	};	2482	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2483
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1776		2487
1777	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2493
1780	$self->enter_link;	2494	$self->enter_link;
1781		2495
1782	(async {	2496	(async {
1783	my $map = cf::map::find $path;	2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
		2518	my $map = eval {
		2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
1785		2523	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2524	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
1790		2527
		2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
		2534	}
		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1792	})->prio (1);	2542	})->prio (1);
1793	}	2543	}
1794		2544
1795	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1796		2546
…		…
1798		2548
1799	sub parse_random_map_params {	2549	sub parse_random_map_params {
1800	my ($spec) = @_;	2550	my ($spec) = @_;
1801		2551
1802	my $rmp = { # defaults	2552	my $rmp = { # defaults
1803	xsize => 10,	2553	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2554	ysize => (cf::rndm 15, 40),
		2555	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2556	#layout => string,
1805	};	2557	};
1806		2558
1807	for (split /\n/, $spec) {	2559	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2560	my ($k, $v) = split /\s+/, $_, 2;
1809		2561
…		…
1813	$rmp	2565	$rmp
1814	}	2566	}
1815		2567
1816	sub prepare_random_map {	2568	sub prepare_random_map {
1817	my ($exit) = @_;	2569	my ($exit) = @_;
		2570
		2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2572
1819	# all this does is basically replace the /! path by	2573	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2574	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2575	# that depends on the exit object
1822		2576
1823	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1824		2578
1825	if ($exit->map) {	2579	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1830	}	2584	}
1831		2585
1832	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1833		2587
1834	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
		2590	my $meta = "$RANDOMDIR/$md5.meta";
1836		2591
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
		2594	undef $fh;
		2595	aio_rename "$meta~", $meta;
1839		2596
1840	$exit->slaying ("?random/$md5");	2597	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2598	$exit->msg (undef);
1842	}	2599	}
1843	}	2600	}
…		…
1845	sub cf::object::player::enter_exit {	2602	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2603	my ($self, $exit) = @_;
1847		2604
1848	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1849		2606
		2607	if ($exit->slaying eq "/!") {
		2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
		2611	cf::sync_job { prepare_random_map $exit };
		2612	}
		2613
		2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2615	my $hp = $exit->stats->hp;
		2616	my $sp = $exit->stats->sp;
		2617
1850	$self->enter_link;	2618	$self->enter_link;
1851		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1852	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1853	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2628	unless (eval {
1855	prepare_random_map $exit	2629	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2630
1861	1;	2631	1;
1862	}) {	2632	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2637
1868	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2639	$self->leave_link;
1870	}	2640	}
1871	})->prio (1);	2641	})->prio (1);
…		…
1884		2654
1885	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1887		2657
1888	utf8::encode $text;	2658	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2660	}
1891		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
		2755	=item $client->ext_msg ($type, @msg)
		2756
		2757	Sends an ext event to the client.
		2758
		2759	=cut
		2760
		2761	sub cf::client::ext_msg($$@) {
		2762	my ($self, $type, @msg) = @_;
		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
		2767	push @msg, msgtype => "event_$type";
		2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
		2788	}
1892		2789
1893	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
1894		2791
1895	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2795
1899	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2797	become reliable at some point in the future.
1901		2798
1902	=cut	2799	=cut
1903		2800
1904	sub cf::client::query {	2801	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2810	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2812
1916	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
1918	}	2817	}
1919		2818
1920	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
1921	on_reply => sub {	2825	on_reply => sub {
1922	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
1923		2827
1924	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
1925	# get handled first	2829	# get handled first
1926	my $queue = delete $ns->{query_queue}	2830	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2831	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2832
1929	(shift @$queue)->[1]->($msg);	2833	(shift @$queue)->[1]->($msg);
		2834	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2835
1931	push @{ $ns->{query_queue} }, @$queue;	2836	push @{ $ns->{query_queue} }, @$queue;
1932		2837
1933	if (@{ $ns->{query_queue} } == @$queue) {	2838	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2839	if (@$queue) {
…		…
1936	} else {	2841	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2843	}
1939	}	2844	}
1940	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
1941	);	2872	);
1942		2873
1943	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
1944		2875
1945	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
1988		2919
1989	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
1990		2921
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
1992		2927
1993	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
1994		2929
1995	=pod	2930	=pod
1996		2931
1997	The following fucntions and emthods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
1998		2933
1999	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2000	cf::object::player player	2938	cf::object::player
2001	cf::player peaceful	2939	player
2002	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2003		2946
2004	=cut	2947	=cut
2005		2948
2006	for (	2949	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2011	) {	2956	) {
2012	no strict 'refs';	2957	no strict 'refs';
…		…
2083	=back	3028	=back
2084		3029
2085	=cut	3030	=cut
2086		3031
2087	#############################################################################	3032	#############################################################################
		3033	# the server's init and main functions
2088		3034
2089	=head2 EXTENSION DATABASE SUPPORT	3035	sub load_facedata($) {
		3036	my ($path) = @_;
2090		3037
2091	Crossfire maintains a very simple database for extension use. It can	3038	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3039	# for this (global event?)
2093	excludes objects.	3040	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3041
2095	The parameter C<$family> should best start with the name of the extension	3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3043
2098	=over 4	3044	warn "loading facedata from $path\n";
2099		3045
2100	=item $hashref = cf::db_get $family	3046	my $facedata;
		3047	0 < aio_load $path, $facedata
		3048	or die "$path: $!";
2101		3049
2102	Return a hashref for use by the extension C<$family>, which can be	3050	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3051
2106	=item $value = cf::db_get $family => $key	3052	$facedata->{version} == 2
		3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3054
2108	Returns a single value from the database	3055	# patch in the exptable
2109		3056	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3057	type => FT_RSRC,
2111		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3059	};
		3060	cf::cede_to_tick;
2161		3061
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3062	{
		3063	my $faces = $facedata->{faceinfo};
2166		3064
2167	sub db_get($;$) {	3065	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	3067	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	3068	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		3071
2173	sub db_put($$;$) {	3072	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3073	}
2187	);
2188	}
2189		3074
2190	#############################################################################	3075	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3076	next unless $info->{smooth};
		3077	my $idx = cf::face::find $face
		3078	or next;
		3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
		3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3082	} else {
		3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3084	}
2192		3085
2193	sub cfg_load {	3086	cf::cede_to_tick;
		3087	}
		3088	}
		3089
		3090	{
		3091	my $anims = $facedata->{animinfo};
		3092
		3093	while (my ($anim, $info) = each %$anims) {
		3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3095	cf::cede_to_tick;
		3096	}
		3097
		3098	cf::anim::invalidate_all; # d'oh
		3099	}
		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
		3150	1
		3151	}
		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
		3175	sub reload_facedata {
		3176	load_facedata "$DATADIR/facedata"
		3177	or die "unable to load facedata\n";
		3178	}
		3179
		3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
		3188	}
		3189
		3190	sub reload_treasures {
		3191	load_resource_file "$DATADIR/treasures"
		3192	or die "unable to load treasurelists\n";
		3193	}
		3194
		3195	sub reload_resources {
		3196	warn "reloading resource files...\n";
		3197
		3198	reload_regions;
		3199	reload_facedata;
		3200	#reload_archetypes;#d#
		3201	reload_archetypes;
		3202	reload_treasures;
		3203
		3204	warn "finished reloading resource files\n";
		3205	}
		3206
		3207	sub init {
		3208	reload_resources;
		3209	}
		3210
		3211	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3213	or return;
2196		3214
2197	local $/;	3215	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2199		3217
…		…
2213		3231
2214	sub main {	3232	sub main {
2215	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2218	async { Event::one_event };	3238	Event::one_event;
		3239	})->prio (Coro::PRIO_MAX);
2219	};	3240	};
2220		3241
2221	cfg_load;	3242	reload_config;
2222	db_load;	3243	db_init;
2223	load_extensions;	3244	load_extensions;
		3245
		3246	$TICK_WATCHER->start;
2224	Event::loop;	3247	Event::loop;
2225	}	3248	}
2226		3249
2227	#############################################################################	3250	#############################################################################
2228	# initialisation and cleanup	3251	# initialisation and cleanup
2229		3252
2230	# install some emergency cleanup handlers	3253	# install some emergency cleanup handlers
2231	BEGIN {	3254	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3255	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3256	Event->signal (
		3257	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3258	data => WF_AUTOCANCEL,
2235	signal => $signal,	3259	signal => $signal,
		3260	prio => 0,
2236	cb => sub {	3261	cb => sub {
2237	cf::cleanup "SIG$signal";	3262	cf::cleanup "SIG$signal";
2238	},	3263	},
2239	);	3264	);
2240	}	3265	}
		3266	}
		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
2241	}	3304	}
2242		3305
2243	sub emergency_save() {	3306	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2245		3308
…		…
2251	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3320	$pl->save;
2257	}	3321	}
2258	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2259		3323
2260	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3326	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3327	$map->valid or next;
2264	$map->save;	3328	$map->save;
2265	}	3329	}
2266	warn "end emergency map save\n";	3330	warn "end emergency map save\n";
		3331
		3332	warn "begin emergency database checkpoint\n";
		3333	BDB::db_env_txn_checkpoint $DB_ENV;
		3334	warn "end emergency database checkpoint\n";
2267	};	3335	};
2268		3336
2269	warn "leave emergency perl save\n";	3337	warn "leave emergency perl save\n";
2270	}	3338	}
2271		3339
		3340	sub post_cleanup {
		3341	my ($make_core) = @_;
		3342
		3343	warn Carp::longmess "post_cleanup backtrace"
		3344	if $make_core;
		3345	}
		3346
2272	sub reload() {	3347	sub do_reload_perl() {
2273	# can/must only be called in main	3348	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3349	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3350	warn "can only reload from main coroutine";
2276	return;	3351	return;
2277	}	3352	}
2278		3353
2279	warn "reloading...";	3354	warn "reloading...";
2280		3355
2281	warn "freezing server";	3356	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3357
		3358	cf::sync_job {
		3359	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3360	cf::emergency_save;
		3361	cf::write_runtime; # external watchdog should not bark
2284		3362
2285	warn "sync database to disk";	3363	warn "syncing database to disk";
2286	cf::db_sync;	3364	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3365
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3366	# if anything goes wrong in here, we should simply crash as we already saved
2291		3367
2292	warn "cancel all watchers";	3368	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3369	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3370	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3371	}
2296		3372
		3373	warn "flushing outstanding aio requests";
		3374	for (;;) {
		3375	BDB::flush;
		3376	IO::AIO::flush;
		3377	Coro::cede_notself;
		3378	last unless IO::AIO::nreqs || BDB::nreqs;
		3379	warn "iterate...";
		3380	}
		3381
		3382	++$RELOAD;
		3383
2297	warn "cancel all extension coros";	3384	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3385	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3386	%EXT_CORO = ();
2300		3387
2301	warn "remove commands";	3388	warn "removing commands";
2302	%COMMAND = ();	3389	%COMMAND = ();
2303		3390
2304	warn "remove ext commands";	3391	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2306		3394
2307	warn "unload/nuke all extensions";	3395	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2310		3398
2311	if (my $cb = $pkg->can ("unload")) {	3399	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3400	eval {
…		…
2317		3405
2318	warn "... nuking $pkg";	3406	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3407	Symbol::delete_package $pkg;
2320	}	3408	}
2321		3409
2322	warn "unload all perl modules loaded from $LIBDIR";	3410	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3411	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3412	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3413
2326	warn "removing <$k>";	3414	warn "... unloading $k";
2327	delete $INC{$k};	3415	delete $INC{$k};
2328		3416
2329	$k =~ s/\.pm$//;	3417	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3418	$k =~ s/\//::/g;
2331		3419
…		…
2334	}	3422	}
2335		3423
2336	Symbol::delete_package $k;	3424	Symbol::delete_package $k;
2337	}	3425	}
2338		3426
2339	warn "get rid of safe::, as good as possible";	3427	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3430
2343	warn "unload cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2345		3434
2346	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3436	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2349		3438
		3439	warn "unload completed, starting to reload now";
		3440
2350	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2351	require cf;	3442	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3444
2354	warn "load config and database again";	3445	warn "loading config and database again";
2355	cf::cfg_load;	3446	cf::reload_config;
2356	cf::db_load;
2357		3447
2358	warn "load extensions";	3448	warn "loading extensions";
2359	cf::load_extensions;	3449	cf::load_extensions;
2360		3450
2361	warn "reattach attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3452	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3453	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3454	reattach $_ for values %MAP;
2365	};	3455	warn "reattaching attachments to players";
		3456	reattach $_ for values %PLAYER;
2366		3457
2367	if ($@) {	3458	warn "leaving sync_job";
		3459
		3460	1
		3461	} or do {
2368	warn $@;	3462	warn $@;
2369	warn "error while reloading, exiting.";	3463	warn "error while reloading, exiting.";
2370	exit 1;	3464	exit 1;
2371	}	3465	};
2372		3466
2373	warn "reloaded";	3467	warn "reloaded";
2374	};	3468	};
2375		3469
		3470	our $RELOAD_WATCHER; # used only during reload
		3471
		3472	sub reload_perl() {
		3473	# doing reload synchronously and two reloads happen back-to-back,
		3474	# coro crashes during coro_state_free->destroy here.
		3475
		3476	$RELOAD_WATCHER ||= Event->timer (
		3477	reentrant => 0,
		3478	after => 0,
		3479	data => WF_AUTOCANCEL,
		3480	cb => sub {
		3481	do_reload_perl;
		3482	undef $RELOAD_WATCHER;
		3483	},
		3484	);
		3485	}
		3486
2376	register_command "reload" => sub {	3487	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2378		3489
2379	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
		3494	reload_perl;
		3495	};
2383	}	3496	}
2384	};	3497	};
2385		3498
2386	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
		3500
		3501	my $bug_warning = 0;
		3502
		3503	our @WAIT_FOR_TICK;
		3504	our @WAIT_FOR_TICK_BEGIN;
		3505
		3506	sub wait_for_tick {
		3507	return unless $TICK_WATCHER->is_active;
		3508	return if $Coro::current == $Coro::main;
		3509
		3510	my $signal = new Coro::Signal;
		3511	push @WAIT_FOR_TICK, $signal;
		3512	$signal->wait;
		3513	}
		3514
		3515	sub wait_for_tick_begin {
		3516	return unless $TICK_WATCHER->is_active;
		3517	return if $Coro::current == $Coro::main;
		3518
		3519	my $signal = new Coro::Signal;
		3520	push @WAIT_FOR_TICK_BEGIN, $signal;
		3521	$signal->wait;
		3522	}
2387		3523
2388	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3525	reentrant => 0,
		3526	parked => 1,
2390	prio => 0,	3527	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3528	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3529	data => WF_AUTOCANCEL,
2393	cb => sub {	3530	cb => sub {
		3531	if ($Coro::current != $Coro::main) {
		3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3533	unless ++$bug_warning > 10;
		3534	return;
		3535	}
		3536
2394	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2395		3538
2396	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
		3540
2397	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2399		3543
2400	$WAIT_FOR_TICK->broadcast;	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
		3548	write_runtime
		3549	or warn "ERROR: unable to write runtime file: $!";
		3550	};
		3551	}
		3552
		3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2402		3561
2403	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3564
2406	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
		3567
		3568	$LOAD = ($NOW - $tick_start) / $TICK;
		3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3570
		3571	_post_tick;
2408	},	3572	},
2409	);	3573	);
2410		3574
		3575	{
		3576	BDB::min_parallel 8;
		3577	BDB::max_poll_time $TICK * 0.1;
		3578	$BDB_POLL_WATCHER = Event->io (
		3579	reentrant => 0,
		3580	fd => BDB::poll_fileno,
		3581	poll => 'r',
		3582	prio => 0,
		3583	data => WF_AUTOCANCEL,
		3584	cb => \&BDB::poll_cb,
		3585	);
		3586
		3587	BDB::set_sync_prepare {
		3588	my $status;
		3589	my $current = $Coro::current;
		3590	(
		3591	sub {
		3592	$status = $!;
		3593	$current->ready; undef $current;
		3594	},
		3595	sub {
		3596	Coro::schedule while defined $current;
		3597	$! = $status;
		3598	},
		3599	)
		3600	};
		3601
		3602	unless ($DB_ENV) {
		3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3608
		3609	cf::sync_job {
		3610	eval {
		3611	BDB::db_env_open
		3612	$DB_ENV,
		3613	$BDBDIR,
		3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3616	0666;
		3617
		3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3619	};
		3620
		3621	cf::cleanup "db_env_open(db): $@" if $@;
		3622	};
		3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
		3655	}
		3656
		3657	{
		3658	IO::AIO::min_parallel 8;
		3659
		3660	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3661	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3663	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2423	after => 0,	3665	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3666	poll => 'r',
2425	cb => sub {	3667	prio => 0,
2426	(Coro::unblock_sub {	3668	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3669	);
2428	or warn "ERROR: unable to write runtime file: $!";	3670	}
		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
2429	})->();	3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3709	}
2431	);	3710	}
		3711
		3712	# load additional modules
		3713	use cf::pod;
2432		3714
2433	END { cf::emergency_save }	3715	END { cf::emergency_save }
2434		3716
2435	1	3717	1
2436		3718

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