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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 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
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
553		836
554	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		841
559	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	843	my $pkg = shift @arg;
561		844
562	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
592	}	875	}
593		876
594	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
595	} else {	878	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	880	}
598		881
599	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
600	}	883	}
601		884
…		…
603	if (ref $_[0]) {	886	if (ref $_[0]) {
604	_object_attach @_;	887	_object_attach @_;
605	} else {	888	} else {
606	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
607	}	890	}
		891	_recalc_want;
608	};	892	};
609		893
610	# all those should be optimised	894	# all those should be optimised
611	sub cf::attachable::detach {	895	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
616	reattach ($obj);	900	reattach ($obj);
617	} else {	901	} else {
618	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
619	}	903	}
		904	_recalc_want;
620	};	905	};
621		906
622	sub cf::attachable::attached {	907	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
624		909
…		…
639	";	924	";
640	die if $@;	925	die if $@;
641	}	926	}
642		927
643	our $override;	928	our $override;
644	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?
645		930
646	sub override {	931	sub override {
647	$override = 1;	932	$override = 1;
648	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
649	}	934	}
650		935
651	sub do_invoke {	936	sub do_invoke {
652	my $event = shift;	937	my $event = shift;
653	my $callbacks = shift;	938	my $callbacks = shift;
654		939
655	@invoke_results = ();	940	@INVOKE_RESULTS = ();
656		941
657	local $override;	942	local $override;
658		943
659	for (@$callbacks) {	944	for (@$callbacks) {
660	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
677		962
678	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
679		964
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		968
684	=back	969	=back
685		970
686	=cut	971	=cut
687		972
688	#############################################################################	973	#############################################################################
689	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
690		1017
691	sub reattach {	1018	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1020	my ($obj) = @_;
694		1021
…		…
741	sub object_freezer_save {	1068	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
743		1070
744	sync_job {	1071	sync_job {
745	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
748		1076
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1081	close $fh;
754		1082
755	if (@$objs) {	1083	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1089	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
763	}	1091	}
764	} else {	1092	} else {
765	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
771	}	1099	}
772	} else {	1100	} else {
773	aio_unlink $filename;	1101	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
775	}	1103	}
776	}	1104	};
777	}	1105	}
778		1106
779	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
781		1109
…		…
793	or return;	1121	or return;
794		1122
795	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
797	or return;	1125	or return;
		1126
798	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
799	}	1129	}
800		1130
		1131	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
803	return ($data, $av);	1135	($data, $av)
804	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
805		1143
806	#############################################################################	1144	#############################################################################
807	# command handling &c	1145	# command handling &c
808		1146
809	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1161	}
824		1162
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1164
827	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.
828		1170
829	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
830	called.	1172	called.
831		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
832	=cut	1185	=cut
833		1186
834	sub register_extcmd {	1187	sub register_extcmd {
835	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
836		1189
837	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
838	}	1197	}
839		1198
840	cf::player->attach (	1199	cf::player->attach (
841	on_command => sub {	1200	on_command => sub {
842	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1210	cf::override;
852	},	1211	},
853	on_extcmd => sub {	1212	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
855		1214
856	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1216
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
864	} else {	1232	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1234	}
867		1235
868	cf::override;	1236	cf::override;
869	},	1237	},
870	);	1238	);
871		1239
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
907	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1245	next unless -r $path;
909	eval {	1246
910	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;
911	1	1304	}
912	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
913	}	1310	};
914	}	1311	}
915		1312
916	#############################################################################	1313	#############################################################################
917		1314
		1315	=back
		1316
918	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
919		1318
920	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
921		1320
922	=cut	1321	=cut
…		…
927		1326
928	=head3 cf::player	1327	=head3 cf::player
929		1328
930	=over 4	1329	=over 4
931		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
932	=item cf::player::find $login	1345	=item cf::player::find $login
933		1346
934	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
935		1348
936	=cut	1349	=cut
937		1350
938	sub playerdir($) {	1351	sub playerdir($) {
939	cf::localdir	1352	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1354	}
945		1355
946	sub path($) {	1356	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1358
949	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
950	}	1360	}
951		1361
952	sub find_active($) {	1362	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
957		1367
958	sub exists($) {	1368	sub exists($) {
959	my ($login) = @_;	1369	my ($login) = @_;
960		1370
961	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
963	}	1373	}
964		1374
965	sub find($) {	1375	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1377	my $login = $_[0];
968		1378
969	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
970		1380
971	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
975	}	1397	}
976	}	1398	}
977	}	1399	}
978		1400
…		…
988		1410
989	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
991		1413
992	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
993	Coro::cede;	1415	cf::cede_to_tick;
994	}	1416	}
995		1417
996	sub new($) {	1418	sub new($) {
997	my ($login) = @_;	1419	my ($login) = @_;
998		1420
…		…
1004	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1005		1427
1006	$self	1428	$self
1007	}	1429	}
1008		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
1009	=item $pl->quit_character	1441	=item $pl->quit_character
1010		1442
1011	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
1012	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1013		1445
1014	=cut	1446	=cut
1015		1447
1016	sub quit_character {	1448	sub quit_character {
1017	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1018		1452
1019	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1020	$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
1021		1455
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1487	}
1034		1488
1035	=item cf::player::list_logins	1489	=item cf::player::list_logins
1036		1490
1037	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
1038	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1039		1493
1040	=cut	1494	=cut
1041		1495
1042	sub list_logins {	1496	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1498	or return [];
1045		1499
1046	my @logins;	1500	my @logins;
1047		1501
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1052		1511
1053	utf8::decode $login;	1512	utf8::decode $login;
1054	push @logins, $login;	1513	push @logins, $login;
1055	}	1514	}
1056		1515
…		…
1064		1523
1065	=cut	1524	=cut
1066		1525
1067	sub maps($) {	1526	sub maps($) {
1068	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1530
1070	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1071	or return;	1532	or return;
1072		1533
1073	my @paths;	1534	my @paths;
…		…
1075	for (@$files) {	1536	for (@$files) {
1076	utf8::decode $_;	1537	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1079		1540
1080	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1542	}
1083		1543
1084	\@paths	1544	\@paths
1085	}	1545	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1088		1599
1089	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1090		1601
1091	=cut	1602	=cut
1092		1603
1093	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1095		1606
1096	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1608	}
1100		1609
1101	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		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	}
1102		1650
1103	=back	1651	=back
1104
1105		1652
1106	=head3 cf::map	1653	=head3 cf::map
1107		1654
1108	=over 4	1655	=over 4
1109		1656
…		…
1113		1660
1114	use Fcntl;	1661	use Fcntl;
1115	use Coro::AIO;	1662	use Coro::AIO;
1116		1663
1117	use overload	1664	use overload
1118	'""' => \&as_string;	1665	'""' => \&as_string,
		1666	fallback => 1;
1119		1667
1120	our $MAX_RESET = 3600;	1668	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1669	our $DEFAULT_RESET = 3000;
1122		1670
1123	sub generate_random_map {	1671	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1672	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1673	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1674	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1686	)
1140	}	1687	}
1141		1688
		1689	=item cf::map->register ($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
1142	sub register {	1697	sub register {
1143	my (undef, $regex) = @_;	1698	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1699	my $pkg = caller;
1145		1700
1146	no strict;	1701	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1702	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1703
1149	$EXT_MAP{$pkg} = qr<$regex>;	1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1705	}
1151		1706
1152	# also paths starting with '/'	1707	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1709
1155	sub thawer_merge {	1710	sub thawer_merge {
		1711	my ($self, $merge) = @_;
		1712
1156	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1714	local $self->{path};
1158	local $_[0]{deny_save};	1715	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1716
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1717	$self->SUPER::thawer_merge ($merge);
1162	}	1718	}
1163		1719
1164	sub normalise {	1720	sub normalise {
1165	my ($path, $base) = @_;	1721	my ($path, $base) = @_;
		1722
		1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1166		1726
1167	# map plan:	1727	# map plan:
1168	#	1728	#
1169	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1198		1758
1199	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
1200		1760
1201	$path = normalise $path, $base;	1761	$path = normalise $path, $base;
1202		1762
1203	for my $pkg (keys %EXT_MAP) {	1763	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1764	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1765	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1766	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1208	return $self;	1768	return $self;
1209	}	1769	}
1210	}	1770	}
1211		1771
1212	Carp::carp "unable to resolve path '$path'.";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1773	()
1214	}	1774	}
1215		1775
1216	sub init {	1776	sub init {
1217	my ($self) = @_;	1777	my ($self) = @_;
…		…
1232		1792
1233	# the original (read-only) location	1793	# the original (read-only) location
1234	sub load_path {	1794	sub load_path {
1235	my ($self) = @_;	1795	my ($self) = @_;
1236		1796
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1238	}	1798	}
1239		1799
1240	# the temporary/swap location	1800	# the temporary/swap location
1241	sub save_path {	1801	sub save_path {
1242	my ($self) = @_;	1802	my ($self) = @_;
1243		1803
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1246	}	1806	}
1247		1807
1248	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1249	sub uniq_path {	1809	sub uniq_path {
1250	my ($self) = @_;	1810	my ($self) = @_;
1251		1811
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1254	}	1814	}
1255		1815
1256	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1257	# all maps in C++...	1817	# all maps in C++...
1258	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1260		1820
1261	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1263	}	1823	}
1264		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1265	sub unlink_save {	1833	sub unlink_save {
1266	my ($self) = @_;	1834	my ($self) = @_;
1267		1835
1268	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1840
1273	sub load_header_from($) {	1841	sub load_header_from($) {
1274	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1275		1843
1276	utf8::encode $path;	1844	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1278	or return;	1846	or return;
1279		1847
1280	$self->_load_header ($path)	1848	$self->_load_header ($f)
1281	or return;	1849	or return;
1282		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
		1853
1283	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1284		1855
1285	1	1856	1
1286	}	1857	}
1287		1858
1288	sub load_orig {	1859	sub load_header_orig {
1289	my ($self) = @_;	1860	my ($self) = @_;
1290		1861
1291	$self->load_header_from ($self->load_path)	1862	$self->load_header_from ($self->load_path)
1292	}	1863	}
1293		1864
1294	sub load_temp {	1865	sub load_header_temp {
1295	my ($self) = @_;	1866	my ($self) = @_;
1296		1867
1297	$self->load_header_from ($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	$self->instantiate;
1298	}	1888	}
1299		1889
1300	sub load_header {	1890	sub load_header {
1301	my ($self) = @_;	1891	my ($self) = @_;
1302		1892
1303	if ($self->load_temp) {	1893	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1894	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1895	} else {
1310	$self->load_orig	1896	$self->load_header_orig
1311	or return;	1897	or return;
1312		1898	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	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 $self->default_region;
1318		1906
1319	1	1907	1
1320	}	1908	}
1321		1909
1322	sub find;	1910	sub find;
1323	sub find {	1911	sub find {
1324	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1325		1913
1326	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1327		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1329		1918
1330	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1331	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
1332	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1333	or return;	1924	or return;
1334		1925
1335	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1336		1927
1337	$map->load_header	1928	$map->load_header
1338	or return;	1929	or return;
1339		1930
1340	if ($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
1341	$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1342	$map->reset;	1936	$map->reset;
1343	undef $guard;
1344	$map = find $path	1937	return find $path;
1345	or return;
1346	}	1938	}
1347		1939
1348	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1349	}	1941	}
1350	}	1942	}
		1943
		1944	sub pre_load { }
		1945	sub post_load { }
1351		1946
1352	sub load {	1947	sub load {
1353	my ($self) = @_;	1948	my ($self) = @_;
1354		1949
		1950	local $self->{deny_reset} = 1; # loading can take a long time
		1951
1355	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1356	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1357		1956
		1957	return unless $self->valid;
1358	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1359		1959
1360	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1361		1961
1362	$self->alloc;	1962	$self->alloc;
1363	$self->_load_objects ($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)
1364	or return;	1970	or return;
1365		1971
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1367	if delete $self->{load_original};	1973	if delete $self->{load_original};
1368		1974
1369	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	1976	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1372	$self->clear_unique_items;	1979	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1374	}	1983	}
1375	}	1984	}
1376		1985
1377	Coro::cede;	1986	$f->resolve_delayed_derefs;
1378		1987
		1988	cf::cede_to_tick;
1379	# now do the right thing for maps	1989	# now do the right thing for maps
1380	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	1992	unless $self->difficulty;
1390	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($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;
1391	$self->activate;	2002	$self->activate;
1392	}	2003	}
1393		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
1394	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
		2009	}
		2010
		2011	$self->post_load;
1395	}	2012	}
1396		2013
1397	sub customise_for {	2014	sub customise_for {
1398	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1399		2016
1400	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	2018	if $self->per_player;
1402		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1403	$self	2023	$self
1404	}	2024	}
1405		2025
1406	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	2027	sub load_neighbours {
1408	my ($map) = @_;	2028	my ($map) = @_;
1409		2029
1410	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1411		2031
1412	for (0 .. 3) {	2032	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1414	or next;	2034	or next;
1415	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1416	or next;	2036	or next;
1417	$neigh->load;	2037	$neigh->load;
1418		2038
		2039	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	2042	}
1422		2043
1423	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1425	or next;	2047	or next;
1426	$neigh->load;	2048	$neigh->load;
1427	}	2049	}
1428	}	2050	}
1429		2051
…		…
1434	}	2056	}
1435		2057
1436	sub do_load_sync {	2058	sub do_load_sync {
1437	my ($map) = @_;	2059	my ($map) = @_;
1438		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1439	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1440	}	2065	}
1441		2066
1442	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	2068	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		2069
1456	sub find_async {	2070	sub find_async {
1457	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1458		2072
1459	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1460		2074
1461	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1462	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;
1463	}	2094	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	2095	$MAP_PREFETCHER->prio (6);
1467		2096
1468	()	2097	()
1469	}	2098	}
1470		2099
1471	sub save {	2100	sub save {
1472	my ($self) = @_;	2101	my ($self) = @_;
1473		2102
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1475		2104
1476	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1477		2106
1478	return unless $self->dirty;	2107	return unless $self->dirty;
1479		2108
…		…
1485	return if $self->{deny_save};	2114	return if $self->{deny_save};
1486		2115
1487	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1488		2117
1489	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1490	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1491	};	2121	};
1492		2122
1493	if ($uniq) {	2123	if ($uniq) {
1494	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1502	my ($self) = @_;	2132	my ($self) = @_;
1503		2133
1504	# save first because save cedes	2134	# save first because save cedes
1505	$self->save;	2135	$self->save;
1506		2136
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2138
1509	return if $self->players;	2139	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};	2141	return if $self->{deny_save};
1512		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1513	$self->clear;	2147	$self->clear;
1514	$self->in_memory (cf::MAP_SWAPPED);
1515	}	2148	}
1516		2149
1517	sub reset_at {	2150	sub reset_at {
1518	my ($self) = @_;	2151	my ($self) = @_;
1519		2152
1520	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1523		2155
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2158
…		…
1531	my ($self) = @_;	2163	my ($self) = @_;
1532		2164
1533	$self->reset_at <= $cf::RUNTIME	2165	$self->reset_at <= $cf::RUNTIME
1534	}	2166	}
1535		2167
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2168	sub reset {
1551	my ($self) = @_;	2169	my ($self) = @_;
1552		2170
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2172
1555	return if $self->players;	2173	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2174
1558	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	}
1559		2186
1560	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1561		2188
1562	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1563	$self->clear;	2191	$self->clear;
1564
1565	$_->clear_links_to ($self) for values %cf::MAP;
1566		2192
1567	$self->unlink_save;	2193	$self->unlink_save;
1568	$self->destroy;	2194	$self->destroy;
1569	}	2195	}
1570		2196
1571	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1572		2198
1573	sub nuke {	2199	sub nuke {
1574	my ($self) = @_;	2200	my ($self) = @_;
1575		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};
1576	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2214
		2215	$cf::MAP{$self->path} = $self;
		2216	}
		2217
1579	$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	]
1580	}	2255	}
1581		2256
1582	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1583		2258
1584	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2260	instantiated unique items. May block.
1586		2261
1587	=cut	2262	=cut
1588		2263
1589	sub unique_maps() {	2264	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1591	or return;	2266	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2267	utf8::decode $_;
1597	next if /\.pst$/;
1598	next unless /^$PATH_SEP/o;
1599
1600	s/\.map$//;	2268	/\.map$/
1601	push @paths, $_;	2269	? normalise $_
		2270	: ()
		2271	} @{ aio_readdir $UNIQUEDIR or [] }
1602	}	2272	]
1603
1604	\@paths
1605	}	2273	}
1606		2274
1607	package cf;	2275	package cf;
1608		2276
1609	=back	2277	=back
…		…
1627	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1628	}	2296	}
1629		2297
1630	sub inv_recursive {	2298	sub inv_recursive {
1631	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	}
1632	}	2328	}
1633		2329
1634	package cf;	2330	package cf;
1635		2331
1636	=back	2332	=back
…		…
1655		2351
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2353
1658	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1660	} 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 {
1661	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1663	}	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 (@_);
1664	}	2379	}
1665		2380
1666	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1667		2382
1668	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1700	=cut	2415	=cut
1701		2416
1702	sub link_map {	2417	sub link_map {
1703	unless ($LINK_MAP) {	2418	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2419	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2420	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2421	$LINK_MAP->load;
1707	}	2422	}
1708		2423
1709	$LINK_MAP	2424	$LINK_MAP
1710	}	2425	}
…		…
1715	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1716		2431
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2433
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1721		2436
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1723	}	2438	}
1724		2439
1725	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1727		2444
1728	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1729		2446
1730	unless ($map) {	2447	unless ($map) {
1731	# restore original map position	2448	# restore original map position
…		…
1745	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1748		2465
1749	$map->load;	2466	$map->load;
1750	$map->load_diag;	2467	$map->load_neighbours;
1751		2468
1752	return unless $self->contr->active;	2469	return unless $self->contr->active;
1753	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1755	}	2474	}
1756		2475
1757	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1758	on_logout => sub {
1759	my ($pl) = @_;
1760		2477
1761	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1762	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1763	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1764	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1765	};	2482	be called at the end of this process.
1766	}
1767	},
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2483
1771	# try to abort aborted map switching on player login :)
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788
1789	=item $player_object->goto ($path, $x, $y)
1790
1791	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1792		2487
1793	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1794	my ($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;
1795		2493
1796	$self->enter_link;	2494	$self->enter_link;
1797		2495
1798	(async {	2496	(async {
1799	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) {
1800	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
1801		2523	$map = $check->($map) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2524	} else {
1803	# if $map;
1804
1805	$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	}
1806		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};
1807	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1808	})->prio (1);	2542	})->prio (1);
1809	}	2543	}
1810		2544
1811	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1812		2546
…		…
1814		2548
1815	sub parse_random_map_params {	2549	sub parse_random_map_params {
1816	my ($spec) = @_;	2550	my ($spec) = @_;
1817		2551
1818	my $rmp = { # defaults	2552	my $rmp = { # defaults
1819	xsize => 10,	2553	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2554	ysize => (cf::rndm 15, 40),
		2555	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2556	#layout => string,
1821	};	2557	};
1822		2558
1823	for (split /\n/, $spec) {	2559	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2560	my ($k, $v) = split /\s+/, $_, 2;
1825		2561
…		…
1829	$rmp	2565	$rmp
1830	}	2566	}
1831		2567
1832	sub prepare_random_map {	2568	sub prepare_random_map {
1833	my ($exit) = @_;	2569	my ($exit) = @_;
		2570
		2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2572
1835	# all this does is basically replace the /! path by	2573	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2574	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2575	# that depends on the exit object
1838		2576
1839	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1840		2578
1841	if ($exit->map) {	2579	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1846	}	2584	}
1847		2585
1848	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1849		2587
1850	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
		2590	my $meta = "$RANDOMDIR/$md5.meta";
1852		2591
1853	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) {
1854	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;
1855		2596
1856	$exit->slaying ("?random/$md5");	2597	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2598	$exit->msg (undef);
1858	}	2599	}
1859	}	2600	}
…		…
1861	sub cf::object::player::enter_exit {	2602	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2603	my ($self, $exit) = @_;
1863		2604
1864	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1865		2606
		2607	if ($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
1866	$self->enter_link;	2618	$self->enter_link;
1867		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
1868	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1869	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1870	unless (eval {	2628	unless (eval {
1871	prepare_random_map $exit	2629	$self->goto ($slaying, $hp, $sp);
1872	if $exit->slaying eq "/!";
1873
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876		2630
1877	1;	2631	1;
1878	}) {	2632	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1880	. "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. "
1881	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2637
1884	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1885	$self->leave_link;	2639	$self->leave_link;
1886	}	2640	}
1887	})->prio (1);	2641	})->prio (1);
…		…
1900		2654
1901	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1903		2657
1904	utf8::encode $text;	2658	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2660	}
1907		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<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
		2785	=item $client->ext_msg ($type, @msg)
		2786
		2787	Sends an ext event to the client.
		2788
		2789	=cut
		2790
		2791	sub cf::client::ext_msg($$@) {
		2792	my ($self, $type, @msg) = @_;
		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
		2797	push @msg, msgtype => "event_$type";
		2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
		2818	}
1908		2819
1909	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
1910		2821
1911	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
1912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1914		2825
1915	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
1916	reliable at some point in the future.	2827	become reliable at some point in the future.
1917		2828
1918	=cut	2829	=cut
1919		2830
1920	sub cf::client::query {	2831	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	2840	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		2842
1932	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
1934	}	2847	}
1935		2848
1936	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
1937	on_reply => sub {	2855	on_reply => sub {
1938	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
1939		2857
1940	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
1941	# get handled first	2859	# get handled first
1942	my $queue = delete $ns->{query_queue}	2860	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	2861	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		2862
1945	(shift @$queue)->[1]->($msg);	2863	(shift @$queue)->[1]->($msg);
		2864	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		2865
1947	push @{ $ns->{query_queue} }, @$queue;	2866	push @{ $ns->{query_queue} }, @$queue;
1948		2867
1949	if (@{ $ns->{query_queue} } == @$queue) {	2868	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	2869	if (@$queue) {
…		…
1952	} else {	2871	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	2873	}
1955	}	2874	}
1956	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
1957	);	2902	);
1958		2903
1959	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
1960		2905
1961	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2004		2949
2005	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2006		2951
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2008		2957
2009	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2010		2959
2011	=pod	2960	=pod
2012		2961
2013	The following fucntions and emthods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2014		2963
2015	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2016	cf::object::player player	2968	cf::object::player
2017	cf::player peaceful	2969	player
2018	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2019		2976
2020	=cut	2977	=cut
2021		2978
2022	for (	2979	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2024	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2026	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2027	) {	2986	) {
2028	no strict 'refs';	2987	no strict 'refs';
…		…
2099	=back	3058	=back
2100		3059
2101	=cut	3060	=cut
2102		3061
2103	#############################################################################	3062	#############################################################################
		3063	# the server's init and main functions
2104		3064
2105	=head2 EXTENSION DATABASE SUPPORT	3065	sub load_facedata($) {
		3066	my ($path) = @_;
2106		3067
2107	Crossfire maintains a very simple database for extension use. It can	3068	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	3069	# for this (global event?)
2109	excludes objects.	3070	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		3071
2111	The parameter C<$family> should best start with the name of the extension	3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		3073
2114	=over 4	3074	warn "loading facedata from $path\n";
2115		3075
2116	=item $hashref = cf::db_get $family	3076	my $facedata;
		3077	0 < aio_load $path, $facedata
		3078	or die "$path: $!";
2117		3079
2118	Return a hashref for use by the extension C<$family>, which can be	3080	$facedata = Coro::Storable::thaw $facedata;
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121		3081
2122	=item $value = cf::db_get $family => $key	3082	$facedata->{version} == 2
		3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		3084
2124	Returns a single value from the database	3085	# patch in the exptable
2125		3086	$facedata->{resource}{"res/exp_table"} = {
2126	=item cf::db_put $family => $hashref	3087	type => FT_RSRC,
2127		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	3089	};
		3090	cf::cede_to_tick;
2177		3091
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	3092	{
		3093	my $faces = $facedata->{faceinfo};
2182		3094
2183	sub db_get($;$) {	3095	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}	3097	cf::face::set_visibility $idx, $info->{visibility};
2186	: ($DB->{$_[0]} ||= { })	3098	cf::face::set_magicmap $idx, $info->{magicmap};
2187	}	3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2188		3101
2189	sub db_put($$;$) {	3102	cf::cede_to_tick;
2190	if (@_ >= 3) {
2191	$DB->{$_[0]}{$_[1]} = $_[2];
2192	} else {
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197
2198	cf::global->attach (
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	3103	}
2203	);
2204	}
2205		3104
2206	#############################################################################	3105	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	3106	next unless $info->{smooth};
		3107	my $idx = cf::face::find $face
		3108	or next;
		3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
		3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3112	} else {
		3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3114	}
2208		3115
2209	sub cfg_load {	3116	cf::cede_to_tick;
		3117	}
		3118	}
		3119
		3120	{
		3121	my $anims = $facedata->{animinfo};
		3122
		3123	while (my ($anim, $info) = each %$anims) {
		3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	cf::anim::invalidate_all; # d'oh
		3129	}
		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
		3180	1
		3181	}
		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
		3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
		3225	sub reload_resources {
		3226	warn "reloading resource files...\n";
		3227
		3228	reload_regions;
		3229	reload_facedata;
		3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
		3235	}
		3236
		3237	sub init {
		3238	reload_resources;
		3239	}
		3240
		3241	sub reload_config {
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2211	or return;	3243	or return;
2212		3244
2213	local $/;	3245	local $/;
2214	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2215		3247
…		…
2229		3261
2230	sub main {	3262	sub main {
2231	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2234	async { Event::one_event };	3268	Event::one_event;
		3269	})->prio (Coro::PRIO_MAX);
2235	};	3270	};
2236		3271
2237	cfg_load;	3272	reload_config;
2238	db_load;	3273	db_init;
2239	load_extensions;	3274	load_extensions;
		3275
		3276	$TICK_WATCHER->start;
2240	Event::loop;	3277	Event::loop;
2241	}	3278	}
2242		3279
2243	#############################################################################	3280	#############################################################################
2244	# initialisation and cleanup	3281	# initialisation and cleanup
2245		3282
2246	# install some emergency cleanup handlers	3283	# install some emergency cleanup handlers
2247	BEGIN {	3284	BEGIN {
2248	for my $signal (qw(INT HUP TERM)) {	3285	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3286	Event->signal (
		3287	reentrant => 0,
2250	data => WF_AUTOCANCEL,	3288	data => WF_AUTOCANCEL,
2251	signal => $signal,	3289	signal => $signal,
		3290	prio => 0,
2252	cb => sub {	3291	cb => sub {
2253	cf::cleanup "SIG$signal";	3292	cf::cleanup "SIG$signal";
2254	},	3293	},
2255	);	3294	);
2256	}	3295	}
		3296	}
		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
2257	}	3334	}
2258		3335
2259	sub emergency_save() {	3336	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2261		3338
…		…
2267	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2268	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2269	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2270	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2271	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2272	$pl->save;	3350	$pl->save;
2273	}	3351	}
2274	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2275		3353
2276	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2278	my $map = $cf::MAP{$path} or next;	3356	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3357	$map->valid or next;
2280	$map->save;	3358	$map->save;
2281	}	3359	}
2282	warn "end emergency map save\n";	3360	warn "end emergency map save\n";
		3361
		3362	warn "begin emergency database checkpoint\n";
		3363	BDB::db_env_txn_checkpoint $DB_ENV;
		3364	warn "end emergency database checkpoint\n";
2283	};	3365	};
2284		3366
2285	warn "leave emergency perl save\n";	3367	warn "leave emergency perl save\n";
2286	}	3368	}
2287		3369
		3370	sub post_cleanup {
		3371	my ($make_core) = @_;
		3372
		3373	warn Carp::longmess "post_cleanup backtrace"
		3374	if $make_core;
		3375	}
		3376
2288	sub reload() {	3377	sub do_reload_perl() {
2289	# can/must only be called in main	3378	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2291	warn "can only reload from main coroutine\n";	3380	warn "can only reload from main coroutine";
2292	return;	3381	return;
2293	}	3382	}
2294		3383
2295	warn "reloading...";	3384	warn "reloading...";
2296		3385
2297	warn "freezing server";	3386	warn "entering sync_job";
2298	my $guard = freeze_mainloop;	3387
		3388	cf::sync_job {
		3389	cf::write_runtime; # external watchdog should not bark
2299	cf::emergency_save;	3390	cf::emergency_save;
		3391	cf::write_runtime; # external watchdog should not bark
2300		3392
2301	warn "sync database to disk";	3393	warn "syncing database to disk";
2302	cf::db_sync;	3394	BDB::db_env_txn_checkpoint $DB_ENV;
2303	IO::AIO::flush;
2304		3395
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved	3396	# if anything goes wrong in here, we should simply crash as we already saved
2307		3397
2308	warn "cancel all watchers";	3398	warn "cancelling all WF_AUTOCANCEL watchers";
2309	for (Event::all_watchers) {	3399	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;	3400	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}	3401	}
2312		3402
		3403	warn "flushing outstanding aio requests";
		3404	for (;;) {
		3405	BDB::flush;
		3406	IO::AIO::flush;
		3407	Coro::cede_notself;
		3408	last unless IO::AIO::nreqs || BDB::nreqs;
		3409	warn "iterate...";
		3410	}
		3411
		3412	++$RELOAD;
		3413
2313	warn "cancel all extension coros";	3414	warn "cancelling all extension coros";
2314	$_->cancel for values %EXT_CORO;	3415	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	3416	%EXT_CORO = ();
2316		3417
2317	warn "remove commands";	3418	warn "removing commands";
2318	%COMMAND = ();	3419	%COMMAND = ();
2319		3420
2320	warn "remove ext commands";	3421	warn "removing ext/exti commands";
2321	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2322		3424
2323	warn "unload/nuke all extensions";	3425	warn "unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2326		3428
2327	if (my $cb = $pkg->can ("unload")) {	3429	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3430	eval {
…		…
2333		3435
2334	warn "... nuking $pkg";	3436	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;	3437	Symbol::delete_package $pkg;
2336	}	3438	}
2337		3439
2338	warn "unload all perl modules loaded from $LIBDIR";	3440	warn "unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3441	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3443
2342	warn "removing <$k>";	3444	warn "... unloading $k";
2343	delete $INC{$k};	3445	delete $INC{$k};
2344		3446
2345	$k =~ s/\.pm$//;	3447	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3448	$k =~ s/\//::/g;
2347		3449
…		…
2350	}	3452	}
2351		3453
2352	Symbol::delete_package $k;	3454	Symbol::delete_package $k;
2353	}	3455	}
2354		3456
2355	warn "get rid of safe::, as good as possible";	3457	warn "getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		3460
2359	warn "unload cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2361		3464
2362	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3466	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2365		3468
		3469	warn "unload completed, starting to reload now";
		3470
2366	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2367	require cf;	3472	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369		3474
2370	warn "load config and database again";	3475	warn "loading config and database again";
2371	cf::cfg_load;	3476	cf::reload_config;
2372	cf::db_load;
2373		3477
2374	warn "load extensions";	3478	warn "loading extensions";
2375	cf::load_extensions;	3479	cf::load_extensions;
2376		3480
2377	warn "reattach attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
2378	_global_reattach;	3482	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3483	warn "reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
2381	};	3485	warn "reattaching attachments to players";
		3486	reattach $_ for values %PLAYER;
2382		3487
2383	if ($@) {	3488	warn "leaving sync_job";
		3489
		3490	1
		3491	} or do {
2384	warn $@;	3492	warn $@;
2385	warn "error while reloading, exiting.";	3493	warn "error while reloading, exiting.";
2386	exit 1;	3494	exit 1;
2387	}	3495	};
2388		3496
2389	warn "reloaded";	3497	warn "reloaded";
2390	};	3498	};
2391		3499
		3500	our $RELOAD_WATCHER; # used only during reload
		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2392	register_command "reload" => sub {	3517	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2394		3519
2395	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	3521	$who->message ("reloading server.");
		3522	async {
		3523	$Coro::current->{desc} = "perl_reload";
		3524	reload_perl;
		3525	};
2399	}	3526	}
2400	};	3527	};
2401		3528
2402	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
		3530
		3531	my $bug_warning = 0;
		3532
		3533	our @WAIT_FOR_TICK;
		3534	our @WAIT_FOR_TICK_BEGIN;
		3535
		3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
		3540	my $signal = new Coro::Signal;
		3541	push @WAIT_FOR_TICK, $signal;
		3542	$signal->wait;
		3543	}
		3544
		3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
		3549	my $signal = new Coro::Signal;
		3550	push @WAIT_FOR_TICK_BEGIN, $signal;
		3551	$signal->wait;
		3552	}
2403		3553
2404	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2405	reentrant => 0,	3555	reentrant => 0,
		3556	parked => 1,
2406	prio => 0,	3557	prio => 0,
2407	at => $NEXT_TICK || $TICK,	3558	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,	3559	data => WF_AUTOCANCEL,
2409	cb => sub {	3560	cb => sub {
		3561	if ($Coro::current != $Coro::main) {
		3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3563	unless ++$bug_warning > 10;
		3564	return;
		3565	}
		3566
2410	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2411		3568
2412	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2413	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2415		3573
2416	$WAIT_FOR_TICK->broadcast;	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
		3578	write_runtime
		3579	or warn "ERROR: unable to write runtime file: $!";
		3580	};
		3581	}
		3582
		3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3584	$sig->send;
		3585	}
		3586	while (my $sig = shift @WAIT_FOR_TICK) {
		3587	$sig->send;
		3588	}
		3589
		3590	$NOW = Event::time;
2418		3591
2419	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421		3594
2422	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2423	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2424	},	3602	},
2425	);	3603	);
2426		3604
		3605	{
		3606	BDB::min_parallel 8;
		3607	BDB::max_poll_time $TICK * 0.1;
		3608	$BDB_POLL_WATCHER = Event->io (
		3609	reentrant => 0,
		3610	fd => BDB::poll_fileno,
		3611	poll => 'r',
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => \&BDB::poll_cb,
		3615	);
		3616
		3617	BDB::set_sync_prepare {
		3618	my $status;
		3619	my $current = $Coro::current;
		3620	(
		3621	sub {
		3622	$status = $!;
		3623	$current->ready; undef $current;
		3624	},
		3625	sub {
		3626	Coro::schedule while defined $current;
		3627	$! = $status;
		3628	},
		3629	)
		3630	};
		3631
		3632	unless ($DB_ENV) {
		3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3638
		3639	cf::sync_job {
		3640	eval {
		3641	BDB::db_env_open
		3642	$DB_ENV,
		3643	$BDBDIR,
		3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3646	0666;
		3647
		3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3649	};
		3650
		3651	cf::cleanup "db_env_open(db): $@" if $@;
		3652	};
		3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
2427	IO::AIO::max_poll_time $TICK * 0.2;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2428
2429	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,	3693	reentrant => 0,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,	3694	data => WF_AUTOCANCEL,
2439	after => 0,	3695	fd => IO::AIO::poll_fileno,
2440	interval => 10,	3696	poll => 'r',
2441	cb => sub {	3697	prio => 0,
2442	(Coro::unblock_sub {	3698	cb => \&IO::AIO::poll_cb,
2443	write_runtime	3699	);
2444	or warn "ERROR: unable to write runtime file: $!";	3700	}
		3701
		3702	my $_log_backtrace;
		3703
		3704	sub _log_backtrace {
		3705	my ($msg, @addr) = @_;
		3706
		3707	$msg =~ s/\n//;
		3708
		3709	# limit the # of concurrent backtraces
		3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
2445	})->();	3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
2446	},	3739	}
2447	);	3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
2448		3744
2449	END { cf::emergency_save }	3745	END { cf::emergency_save }
2450		3746
2451	1	3747	1
2452		3748

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